3396 files changed, 94198 insertions, 27587 deletions

diff --git a/.clang_complete b/.clang_complete
new file mode 100644
index 0000000000..79d0946b33
--- /dev/null
+++ b/.clang_complete
@@ -0,0 +1,8 @@
+-Ithird_party/googletest/include
+-Ithird_party/googletest
+-Iinclude
+-Igens
+-I.
+-Ithird_party/boringssl/include
+-Ithird_party/zlib
+-Ithird_party/protobuf/src
diff --git a/.gitignore b/.gitignore
index 9a1dc00850..502483f456 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@ coverage
 
 # cache for run_tests.py
 .run_tests_cache
+.preprocessed_build
 
 # emacs temp files
 *~
diff --git a/.gitmodules b/.gitmodules
index 008bc5fae8..c85a53943a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,4 +13,7 @@
 	url = https://github.com/google/googletest.git
 [submodule "third_party/boringssl"]
 	path = third_party/boringssl
-	url = https://boringssl.googlesource.com/boringssl
+	url = https://github.com/google/boringssl.git
+[submodule "third_party/nanopb"]
+	path = third_party/nanopb
+	url = https://github.com/nanopb/nanopb.git
diff --git a/.travis.yml b/.travis.yml
index d2d1c8ba63..004d44f3a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode7.1
+osx_image: xcode7.2
 env:
   global:
     - CONFIG=opt
@@ -27,6 +27,6 @@ xcode_scheme:
   - InteropTestsLocalCleartext
   # TODO(jcanizales): Investigate why they time out:
   # - InteropTestsRemote
-xcode_sdk: iphonesimulator9.1
+xcode_sdk: iphonesimulator9.2
 notifications:
   email: false
diff --git a/BUILD b/BUILD
index 3599a07bf6..1b720f330d 100644
--- a/BUILD
+++ b/BUILD
@@ -41,62 +41,66 @@ package(default_visibility = ["//visibility:public"])
 
 
 
+
 cc_library(
   name = "gpr",
   srcs = [
-    "src/core/profiling/timers.h",
-    "src/core/support/block_annotate.h",
-    "src/core/support/env.h",
-    "src/core/support/file.h",
-    "src/core/support/murmur_hash.h",
-    "src/core/support/stack_lockfree.h",
-    "src/core/support/string.h",
-    "src/core/support/string_win32.h",
-    "src/core/support/thd_internal.h",
-    "src/core/support/time_precise.h",
-    "src/core/profiling/basic_timers.c",
-    "src/core/profiling/stap_timers.c",
-    "src/core/support/alloc.c",
-    "src/core/support/avl.c",
-    "src/core/support/cmdline.c",
-    "src/core/support/cpu_iphone.c",
-    "src/core/support/cpu_linux.c",
-    "src/core/support/cpu_posix.c",
-    "src/core/support/cpu_windows.c",
-    "src/core/support/env_linux.c",
-    "src/core/support/env_posix.c",
-    "src/core/support/env_win32.c",
-    "src/core/support/file.c",
-    "src/core/support/file_posix.c",
-    "src/core/support/file_win32.c",
-    "src/core/support/histogram.c",
-    "src/core/support/host_port.c",
-    "src/core/support/log.c",
-    "src/core/support/log_android.c",
-    "src/core/support/log_linux.c",
-    "src/core/support/log_posix.c",
-    "src/core/support/log_win32.c",
-    "src/core/support/murmur_hash.c",
-    "src/core/support/slice.c",
-    "src/core/support/slice_buffer.c",
-    "src/core/support/stack_lockfree.c",
-    "src/core/support/string.c",
-    "src/core/support/string_posix.c",
-    "src/core/support/string_win32.c",
-    "src/core/support/subprocess_posix.c",
-    "src/core/support/subprocess_windows.c",
-    "src/core/support/sync.c",
-    "src/core/support/sync_posix.c",
-    "src/core/support/sync_win32.c",
-    "src/core/support/thd.c",
-    "src/core/support/thd_posix.c",
-    "src/core/support/thd_win32.c",
-    "src/core/support/time.c",
-    "src/core/support/time_posix.c",
-    "src/core/support/time_precise.c",
-    "src/core/support/time_win32.c",
-    "src/core/support/tls_pthread.c",
-    "src/core/support/wrap_memcpy.c",
+    "src/core/lib/profiling/timers.h",
+    "src/core/lib/support/backoff.h",
+    "src/core/lib/support/block_annotate.h",
+    "src/core/lib/support/env.h",
+    "src/core/lib/support/load_file.h",
+    "src/core/lib/support/murmur_hash.h",
+    "src/core/lib/support/stack_lockfree.h",
+    "src/core/lib/support/string.h",
+    "src/core/lib/support/string_win32.h",
+    "src/core/lib/support/thd_internal.h",
+    "src/core/lib/support/time_precise.h",
+    "src/core/lib/support/tmpfile.h",
+    "src/core/lib/profiling/basic_timers.c",
+    "src/core/lib/profiling/stap_timers.c",
+    "src/core/lib/support/alloc.c",
+    "src/core/lib/support/avl.c",
+    "src/core/lib/support/backoff.c",
+    "src/core/lib/support/cmdline.c",
+    "src/core/lib/support/cpu_iphone.c",
+    "src/core/lib/support/cpu_linux.c",
+    "src/core/lib/support/cpu_posix.c",
+    "src/core/lib/support/cpu_windows.c",
+    "src/core/lib/support/env_linux.c",
+    "src/core/lib/support/env_posix.c",
+    "src/core/lib/support/env_win32.c",
+    "src/core/lib/support/histogram.c",
+    "src/core/lib/support/host_port.c",
+    "src/core/lib/support/load_file.c",
+    "src/core/lib/support/log.c",
+    "src/core/lib/support/log_android.c",
+    "src/core/lib/support/log_linux.c",
+    "src/core/lib/support/log_posix.c",
+    "src/core/lib/support/log_win32.c",
+    "src/core/lib/support/murmur_hash.c",
+    "src/core/lib/support/slice.c",
+    "src/core/lib/support/slice_buffer.c",
+    "src/core/lib/support/stack_lockfree.c",
+    "src/core/lib/support/string.c",
+    "src/core/lib/support/string_posix.c",
+    "src/core/lib/support/string_win32.c",
+    "src/core/lib/support/subprocess_posix.c",
+    "src/core/lib/support/subprocess_windows.c",
+    "src/core/lib/support/sync.c",
+    "src/core/lib/support/sync_posix.c",
+    "src/core/lib/support/sync_win32.c",
+    "src/core/lib/support/thd.c",
+    "src/core/lib/support/thd_posix.c",
+    "src/core/lib/support/thd_win32.c",
+    "src/core/lib/support/time.c",
+    "src/core/lib/support/time_posix.c",
+    "src/core/lib/support/time_precise.c",
+    "src/core/lib/support/time_win32.c",
+    "src/core/lib/support/tls_pthread.c",
+    "src/core/lib/support/tmpfile_posix.c",
+    "src/core/lib/support/tmpfile_win32.c",
+    "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
     "include/grpc/support/alloc.h",
@@ -151,309 +155,332 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc",
   srcs = [
-    "src/core/security/auth_filters.h",
-    "src/core/security/base64.h",
-    "src/core/security/credentials.h",
-    "src/core/security/handshake.h",
-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
-    "src/core/security/security_connector.h",
-    "src/core/security/security_context.h",
-    "src/core/tsi/fake_transport_security.h",
-    "src/core/tsi/ssl_transport_security.h",
-    "src/core/tsi/ssl_types.h",
-    "src/core/tsi/transport_security.h",
-    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/timer_internal.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/log.h",
-    "src/core/census/rpc_metric_id.h",
-    "src/core/httpcli/httpcli_security_connector.c",
-    "src/core/security/base64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
-    "src/core/security/server_auth_filter.c",
-    "src/core/security/server_secure_chttp2.c",
-    "src/core/surface/init_secure.c",
-    "src/core/surface/secure_channel_create.c",
-    "src/core/tsi/fake_transport_security.c",
-    "src/core/tsi/ssl_transport_security.c",
-    "src/core/tsi/transport_security.c",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/log.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
+    "src/core/lib/tsi/fake_transport_security.h",
+    "src/core/lib/tsi/ssl_transport_security.h",
+    "src/core/lib/tsi/ssl_types.h",
+    "src/core/lib/tsi/transport_security.h",
+    "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
+    "src/core/lib/security/b64.c",
+    "src/core/lib/security/client_auth_filter.c",
+    "src/core/lib/security/credentials.c",
+    "src/core/lib/security/credentials_metadata.c",
+    "src/core/lib/security/credentials_posix.c",
+    "src/core/lib/security/credentials_win32.c",
+    "src/core/lib/security/google_default_credentials.c",
+    "src/core/lib/security/handshake.c",
+    "src/core/lib/security/json_token.c",
+    "src/core/lib/security/jwt_verifier.c",
+    "src/core/lib/security/secure_endpoint.c",
+    "src/core/lib/security/security_connector.c",
+    "src/core/lib/security/security_context.c",
+    "src/core/lib/security/server_auth_filter.c",
+    "src/core/lib/surface/init_secure.c",
+    "src/core/lib/tsi/fake_transport_security.c",
+    "src/core/lib/tsi/ssl_transport_security.c",
+    "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
-    "include/grpc/grpc_security.h",
+    "include/grpc/byte_buffer.h",
+    "include/grpc/byte_buffer_reader.h",
+    "include/grpc/compression.h",
+    "include/grpc/grpc.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
     "include/grpc/census.h",
   ],
   includes = [
@@ -464,6 +491,7 @@ cc_library(
     "//external:libssl",
     "//external:zlib",
     ":gpr",
+    "//external:nanopb",
   ],
   copts = [
     "-std=gnu99",
@@ -471,261 +499,270 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc_unsecure",
   srcs = [
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/timer_internal.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/log.h",
-    "src/core/census/rpc_metric_id.h",
-    "src/core/surface/init_unsecure.c",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/log.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
+    "src/core/lib/surface/init_unsecure.c",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_unsecure_plugin_registry.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
@@ -739,6 +776,20 @@ cc_library(
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
     "include/grpc/census.h",
   ],
   includes = [
@@ -747,6 +798,7 @@ cc_library(
   ],
   deps = [
     ":gpr",
+    "//external:nanopb",
   ],
   copts = [
     "-std=gnu99",
@@ -754,11 +806,11 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc_zookeeper",
   srcs = [
-    "src/core/client_config/resolvers/zookeeper_resolver.h",
-    "src/core/client_config/resolvers/zookeeper_resolver.c",
+    "src/core/ext/resolver/zookeeper/zookeeper_resolver.c",
   ],
   hdrs = [
     "include/grpc/grpc_zookeeper.h",
@@ -774,10 +826,12 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc++",
   srcs = [
     "src/cpp/client/secure_credentials.h",
+    "src/cpp/common/core_codegen.h",
     "src/cpp/common/secure_auth_context.h",
     "src/cpp/server/secure_server_credentials.h",
     "src/cpp/client/create_channel_internal.h",
@@ -797,12 +851,10 @@ cc_library(
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
-    "src/cpp/common/alarm.cc",
-    "src/cpp/common/call.cc",
     "src/cpp/common/channel_arguments.cc",
     "src/cpp/common/completion_queue.cc",
+    "src/cpp/common/core_codegen.cc",
     "src/cpp/common/rpc_method.cc",
-    "src/cpp/proto/proto_utils.cc",
     "src/cpp/server/async_generic_service.cc",
     "src/cpp/server/create_default_thread_pool.cc",
     "src/cpp/server/dynamic_thread_pool.cc",
@@ -816,7 +868,7 @@ cc_library(
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
-    "src/cpp/codegen/grpc_library.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -854,8 +906,6 @@ cc_library(
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -872,8 +922,7 @@ cc_library(
     "include/grpc++/impl/codegen/client_unary_call.h",
     "include/grpc++/impl/codegen/completion_queue.h",
     "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
     "include/grpc++/impl/codegen/grpc_library.h",
     "include/grpc++/impl/codegen/method_handler_impl.h",
     "include/grpc++/impl/codegen/proto_utils.h",
@@ -893,6 +942,30 @@ cc_library(
     "include/grpc++/impl/codegen/sync_no_cxx11.h",
     "include/grpc++/impl/codegen/sync_stream.h",
     "include/grpc++/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -906,10 +979,12 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc++_unsecure",
   srcs = [
     "src/cpp/client/create_channel_internal.h",
+    "src/cpp/common/core_codegen.h",
     "src/cpp/common/create_auth_context.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
@@ -921,12 +996,10 @@ cc_library(
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
-    "src/cpp/common/alarm.cc",
-    "src/cpp/common/call.cc",
     "src/cpp/common/channel_arguments.cc",
     "src/cpp/common/completion_queue.cc",
+    "src/cpp/common/core_codegen.cc",
     "src/cpp/common/rpc_method.cc",
-    "src/cpp/proto/proto_utils.cc",
     "src/cpp/server/async_generic_service.cc",
     "src/cpp/server/create_default_thread_pool.cc",
     "src/cpp/server/dynamic_thread_pool.cc",
@@ -940,7 +1013,7 @@ cc_library(
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
-    "src/cpp/codegen/grpc_library.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -978,8 +1051,6 @@ cc_library(
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -996,8 +1067,7 @@ cc_library(
     "include/grpc++/impl/codegen/client_unary_call.h",
     "include/grpc++/impl/codegen/completion_queue.h",
     "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
     "include/grpc++/impl/codegen/grpc_library.h",
     "include/grpc++/impl/codegen/method_handler_impl.h",
     "include/grpc++/impl/codegen/proto_utils.h",
@@ -1017,6 +1087,30 @@ cc_library(
     "include/grpc++/impl/codegen/sync_no_cxx11.h",
     "include/grpc++/impl/codegen/sync_stream.h",
     "include/grpc++/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -1026,15 +1120,15 @@ cc_library(
     "//external:protobuf_clib",
     ":gpr",
     ":grpc_unsecure",
+    ":grpc",
   ],
 )
 
 
+
 cc_library(
   name = "grpc_plugin_support",
   srcs = [
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "src/compiler/config.h",
     "src/compiler/cpp_generator.h",
     "src/compiler/cpp_generator_helpers.h",
@@ -1056,59 +1150,12 @@ cc_library(
     "src/compiler/objective_c_generator.cc",
     "src/compiler/python_generator.cc",
     "src/compiler/ruby_generator.cc",
-    "src/cpp/codegen/grpc_library.cc",
   ],
   hdrs = [
-    "include/grpc++/impl/codegen/async_stream.h",
-    "include/grpc++/impl/codegen/async_unary_call.h",
-    "include/grpc++/impl/codegen/call.h",
-    "include/grpc++/impl/codegen/call_hook.h",
-    "include/grpc++/impl/codegen/channel_interface.h",
-    "include/grpc++/impl/codegen/client_context.h",
-    "include/grpc++/impl/codegen/client_unary_call.h",
-    "include/grpc++/impl/codegen/completion_queue.h",
-    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/impl/codegen/config.h",
     "include/grpc++/impl/codegen/config_protobuf.h",
-    "include/grpc++/impl/codegen/grpc_library.h",
-    "include/grpc++/impl/codegen/method_handler_impl.h",
-    "include/grpc++/impl/codegen/proto_utils.h",
-    "include/grpc++/impl/codegen/rpc_method.h",
-    "include/grpc++/impl/codegen/rpc_service_method.h",
-    "include/grpc++/impl/codegen/security/auth_context.h",
-    "include/grpc++/impl/codegen/serialization_traits.h",
-    "include/grpc++/impl/codegen/server_context.h",
-    "include/grpc++/impl/codegen/server_interface.h",
-    "include/grpc++/impl/codegen/service_type.h",
-    "include/grpc++/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/status_code_enum.h",
-    "include/grpc++/impl/codegen/string_ref.h",
-    "include/grpc++/impl/codegen/stub_options.h",
-    "include/grpc++/impl/codegen/sync.h",
-    "include/grpc++/impl/codegen/sync_cxx11.h",
-    "include/grpc++/impl/codegen/sync_no_cxx11.h",
-    "include/grpc++/impl/codegen/sync_stream.h",
-    "include/grpc++/impl/codegen/time.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
   ],
   includes = [
     "include",
@@ -1120,6 +1167,7 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc_csharp_ext",
   srcs = [
@@ -1139,52 +1187,54 @@ cc_library(
 
 
 
+
 objc_library(
   name = "gpr_objc",
   srcs = [
-    "src/core/profiling/basic_timers.c",
-    "src/core/profiling/stap_timers.c",
-    "src/core/support/alloc.c",
-    "src/core/support/avl.c",
-    "src/core/support/cmdline.c",
-    "src/core/support/cpu_iphone.c",
-    "src/core/support/cpu_linux.c",
-    "src/core/support/cpu_posix.c",
-    "src/core/support/cpu_windows.c",
-    "src/core/support/env_linux.c",
-    "src/core/support/env_posix.c",
-    "src/core/support/env_win32.c",
-    "src/core/support/file.c",
-    "src/core/support/file_posix.c",
-    "src/core/support/file_win32.c",
-    "src/core/support/histogram.c",
-    "src/core/support/host_port.c",
-    "src/core/support/log.c",
-    "src/core/support/log_android.c",
-    "src/core/support/log_linux.c",
-    "src/core/support/log_posix.c",
-    "src/core/support/log_win32.c",
-    "src/core/support/murmur_hash.c",
-    "src/core/support/slice.c",
-    "src/core/support/slice_buffer.c",
-    "src/core/support/stack_lockfree.c",
-    "src/core/support/string.c",
-    "src/core/support/string_posix.c",
-    "src/core/support/string_win32.c",
-    "src/core/support/subprocess_posix.c",
-    "src/core/support/subprocess_windows.c",
-    "src/core/support/sync.c",
-    "src/core/support/sync_posix.c",
-    "src/core/support/sync_win32.c",
-    "src/core/support/thd.c",
-    "src/core/support/thd_posix.c",
-    "src/core/support/thd_win32.c",
-    "src/core/support/time.c",
-    "src/core/support/time_posix.c",
-    "src/core/support/time_precise.c",
-    "src/core/support/time_win32.c",
-    "src/core/support/tls_pthread.c",
-    "src/core/support/wrap_memcpy.c",
+    "src/core/lib/profiling/basic_timers.c",
+    "src/core/lib/profiling/stap_timers.c",
+    "src/core/lib/support/alloc.c",
+    "src/core/lib/support/avl.c",
+    "src/core/lib/support/backoff.c",
+    "src/core/lib/support/cmdline.c",
+    "src/core/lib/support/cpu_iphone.c",
+    "src/core/lib/support/cpu_linux.c",
+    "src/core/lib/support/cpu_posix.c",
+    "src/core/lib/support/cpu_windows.c",
+    "src/core/lib/support/env_linux.c",
+    "src/core/lib/support/env_posix.c",
+    "src/core/lib/support/env_win32.c",
+    "src/core/lib/support/histogram.c",
+    "src/core/lib/support/host_port.c",
+    "src/core/lib/support/load_file.c",
+    "src/core/lib/support/log.c",
+    "src/core/lib/support/log_android.c",
+    "src/core/lib/support/log_linux.c",
+    "src/core/lib/support/log_posix.c",
+    "src/core/lib/support/log_win32.c",
+    "src/core/lib/support/murmur_hash.c",
+    "src/core/lib/support/slice.c",
+    "src/core/lib/support/slice_buffer.c",
+    "src/core/lib/support/stack_lockfree.c",
+    "src/core/lib/support/string.c",
+    "src/core/lib/support/string_posix.c",
+    "src/core/lib/support/string_win32.c",
+    "src/core/lib/support/subprocess_posix.c",
+    "src/core/lib/support/subprocess_windows.c",
+    "src/core/lib/support/sync.c",
+    "src/core/lib/support/sync_posix.c",
+    "src/core/lib/support/sync_win32.c",
+    "src/core/lib/support/thd.c",
+    "src/core/lib/support/thd_posix.c",
+    "src/core/lib/support/thd_win32.c",
+    "src/core/lib/support/time.c",
+    "src/core/lib/support/time_posix.c",
+    "src/core/lib/support/time_precise.c",
+    "src/core/lib/support/time_win32.c",
+    "src/core/lib/support/tls_pthread.c",
+    "src/core/lib/support/tmpfile_posix.c",
+    "src/core/lib/support/tmpfile_win32.c",
+    "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
     "include/grpc/support/alloc.h",
@@ -1229,16 +1279,18 @@ objc_library(
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_win32.h",
     "include/grpc/impl/codegen/time.h",
-    "src/core/profiling/timers.h",
-    "src/core/support/block_annotate.h",
-    "src/core/support/env.h",
-    "src/core/support/file.h",
-    "src/core/support/murmur_hash.h",
-    "src/core/support/stack_lockfree.h",
-    "src/core/support/string.h",
-    "src/core/support/string_win32.h",
-    "src/core/support/thd_internal.h",
-    "src/core/support/time_precise.h",
+    "src/core/lib/profiling/timers.h",
+    "src/core/lib/support/backoff.h",
+    "src/core/lib/support/block_annotate.h",
+    "src/core/lib/support/env.h",
+    "src/core/lib/support/load_file.h",
+    "src/core/lib/support/murmur_hash.h",
+    "src/core/lib/support/stack_lockfree.h",
+    "src/core/lib/support/string.h",
+    "src/core/lib/support/string_win32.h",
+    "src/core/lib/support/thd_internal.h",
+    "src/core/lib/support/time_precise.h",
+    "src/core/lib/support/tmpfile.h",
   ],
   includes = [
     "include",
@@ -1249,310 +1301,333 @@ objc_library(
 )
 
 
+
 objc_library(
   name = "grpc_objc",
   srcs = [
-    "src/core/httpcli/httpcli_security_connector.c",
-    "src/core/security/base64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
-    "src/core/security/server_auth_filter.c",
-    "src/core/security/server_secure_chttp2.c",
-    "src/core/surface/init_secure.c",
-    "src/core/surface/secure_channel_create.c",
-    "src/core/tsi/fake_transport_security.c",
-    "src/core/tsi/ssl_transport_security.c",
-    "src/core/tsi/transport_security.c",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/log.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
+    "src/core/lib/security/b64.c",
+    "src/core/lib/security/client_auth_filter.c",
+    "src/core/lib/security/credentials.c",
+    "src/core/lib/security/credentials_metadata.c",
+    "src/core/lib/security/credentials_posix.c",
+    "src/core/lib/security/credentials_win32.c",
+    "src/core/lib/security/google_default_credentials.c",
+    "src/core/lib/security/handshake.c",
+    "src/core/lib/security/json_token.c",
+    "src/core/lib/security/jwt_verifier.c",
+    "src/core/lib/security/secure_endpoint.c",
+    "src/core/lib/security/security_connector.c",
+    "src/core/lib/security/security_context.c",
+    "src/core/lib/security/server_auth_filter.c",
+    "src/core/lib/surface/init_secure.c",
+    "src/core/lib/tsi/fake_transport_security.c",
+    "src/core/lib/tsi/ssl_transport_security.c",
+    "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
-    "include/grpc/grpc_security.h",
+    "include/grpc/byte_buffer.h",
+    "include/grpc/byte_buffer_reader.h",
+    "include/grpc/compression.h",
+    "include/grpc/grpc.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
     "include/grpc/census.h",
-    "src/core/security/auth_filters.h",
-    "src/core/security/base64.h",
-    "src/core/security/credentials.h",
-    "src/core/security/handshake.h",
-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
-    "src/core/security/security_connector.h",
-    "src/core/security/security_context.h",
-    "src/core/tsi/fake_transport_security.h",
-    "src/core/tsi/ssl_transport_security.h",
-    "src/core/tsi/ssl_types.h",
-    "src/core/tsi/transport_security.h",
-    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/timer_internal.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/log.h",
-    "src/core/census/rpc_metric_id.h",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
+    "src/core/lib/tsi/fake_transport_security.h",
+    "src/core/lib/tsi/ssl_transport_security.h",
+    "src/core/lib/tsi/ssl_types.h",
+    "src/core/lib/tsi/transport_security.h",
+    "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
   ],
   includes = [
     "include",
@@ -1561,6 +1636,7 @@ objc_library(
   deps = [
     ":gpr_objc",
     "//external:libssl_objc",
+    "//external:nanopb",
   ],
   sdk_dylibs = ["libz"],
 )
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9423c46547..35eb5e6138 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -13,7 +13,7 @@ In order to protect both you and ourselves, you will need to sign the
 ### Technical requirements
 
 You will need several tools to work with this repository. In addition to all of
-the packages described in the [INSTALL](INSTALL) file, you will also need
+the packages described in the [INSTALL](INSTALL.md) file, you will also need
 python, and the mako template renderer. To install the latter, using pip, one
 should simply be able to do `pip install mako`.
 
@@ -21,6 +21,15 @@ In order to run all of the tests we provide, you will need valgrind and clang.
 More specifically, under debian, you will need the package libc++-dev to
 properly run all the tests.
 
+Compiling and running grpc C++ tests depend on protobuf 3.0.0, gtest and gflags.
+Although gflags is provided in third_party, you will need to manually install
+that dependency on your system to run these tests. Under a Debian or Ubuntu
+system, you can install the gtests and gflags packages using apt-get:
+
+```sh
+ $ [sudo] apt-get install libgflags-dev libgtest-dev
+```
+
 If you are planning to work on any of the languages other than C and C++, you
 will also need their appropriate development environments.
 
@@ -36,9 +45,13 @@ In order to run most of the available tests, one would need to run:
 
 `./tools/run_tests/run_tests.py`
 
-If you want to run all the possible tests for any of the languages {c, c++, node, php, python}, do this:
+If you want to run tests for any of the languages {c, c++, csharp, node, objc, php, python, ruby}, do this:
+
+`./tools/run_tests/run_tests.py -l <lang>`
+
+To know about the list of available commands, do this:
 
-`./tools/run_tests/run_tests.py -l <lang> -c all`
+`./tools/run_tests/run_tests.py -h`
 
 ## Adding or removing source code
 
@@ -46,7 +59,7 @@ Each language uses its own build system to work. Currently, the root's Makefile
 and the Visual Studio project files are building only the C and C++ source code.
 In order to ease the maintenance of these files, we have a
 template system. Please do not contribute manual changes to any of the generated
-files. Instead, modify the template files, or the build.json file, and
+files. Instead, modify the template files, or the build.yaml file, and
 re-generate the project files using the following command:
 
 `./tools/buildgen/generate_projects.sh`
diff --git a/INSTALL b/INSTALL
deleted file mode 100644
index a0df57dcd3..0000000000
--- a/INSTALL
+++ /dev/null
@@ -1,225 +0,0 @@
-These instructions only cover building grpc C and C++ libraries under
-typical unix systems. If you need more information, please try grpc's
-wiki pages:
-
-  https://github.com/google/grpc/wiki
-
-
-*************************
-* If you are in a hurry *
-*************************
-
-On Linux (Debian):
-
- Note: you will need to add the Debian 'jessie-backports' distribution to your sources
- file first.
-
- Add the following line to your `/etc/apt/sources.list` file:
-
-   deb http://http.debian.net/debian jessie-backports main
-
- Install the gRPC library:
-
- $ [sudo] apt-get install libgrpc-dev
-
-OR
-
- $ git clone https://github.com/grpc/grpc.git
- $ cd grpc
- $ git submodule update --init
- $ make 
- $ [sudo] make install
-
-You don't need anything else than GNU Make, gcc and autotools. Under a Debian
-or Ubuntu system, this should boil down to the following packages:
-
- $ [sudo] apt-get install build-essential autoconf libtool
-
-Building the python wrapper requires the following:
-
- $ [sudo] apt-get install python-all-dev python-virtualenv
-
-If you want to install in a different directory than the default /usr/lib, you can
-override it on the command line:
-
- $ [sudo] make install prefix=/opt
-
-
-*******************************
-* More detailled instructions *
-*******************************
-
-Setting up dependencies
-=======================
-
-Dependencies to compile the libraries
--------------------------------------
-
-grpc libraries have few external dependencies. If you need to compile and
-install them, they are present in the third_party directory if you have
-cloned the github repository recursively. If you didn't clone recursively,
-you can still get them later by running the following command:
-
-  $ git submodule update --init
-
-Note that the Makefile makes it much easier for you to compile from sources
-if you were to clone recursively our git repository: it will automatically
-compile zlib and OpenSSL, which are core requirements for grpc. Note this
-creates grpc libraries that will have zlib and OpenSSL built-in inside of them,
-which significantly increases the libraries' size.
-
-In order to decrease that size, you can manually install zlib and OpenSSL on
-your system, so that the Makefile can use them instead.
-
-Under a Debian or Ubuntu system, one can acquire the development package
-for zlib this way:
-
-  # apt-get install zlib1g-dev
-
-To the best of our knowledge, no distribution has an OpenSSL package that
-supports ALPN yet, so you would still have to depend on installing from source
-for that particular dependency if you want to reduce the libraries' size.
-
-The recommended version of OpenSSL that provides ALPN support is available
-at this URL:
-
-  https://www.openssl.org/source/openssl-1.0.2.tar.gz
-
-
-Dependencies to compile and run the tests
------------------------------------------
-
-Compiling and running grpc plain-C tests dont't require any more dependency.
-
-
-Compiling and running grpc C++ tests depend on protobuf 3.0.0, gtest and
-gflags. Although gflags is provided in third_party, you will need to manually
-install that dependency on your system to run these tests.
-
-Under a Debian or Ubuntu system, you can install the gtests and gflags packages
-using apt-get:
-
-  # apt-get install libgflags-dev libgtest-dev
-
-However, protobuf 3.0.0 isn't in a debian package yet, but the Makefile will
-automatically try and compile the one present in third_party if you cloned the
-repository recursively, and that it detects your system is lacking it.
-
-Compiling and installing protobuf 3.0.0 requires a few more dependencies in
-itself, notably the autoconf suite. If you have apt-get, you can install
-these dependencies this way:
-
-  # apt-get install autoconf libtool
-
-If you want to run the tests using one of the sanitized configurations, you
-will need clang and its instrumented libc++:
-
-  # apt-get install clang libc++-dev
-
-Mac-specific notes:
--------------------
-
-For a Mac system, git is not available by default. You will first need to
-install Xcode from the Mac AppStore and then run the following command from a
-terminal:
-
-  $ sudo xcode-select --install
-
-You should also install "port" following the instructions at
-https://www.macports.org . This will reside in /opt/local/bin/port for
-most Mac installations. Do the "git submodule" command listed above.
-
-Then execute the following for all the needed build dependencies
-
-  $ sudo /opt/local/bin/port install autoconf automake libtool gflags cmake
-  $ mkdir ~/gtest-svn
-  $ svn checkout http://googletest.googlecode.com/svn/trunk/ gtest-svn
-  $ mkdir mybuild
-  $ cd mybuild
-  $ cmake ../gtest-svn
-  $ make
-  $ make gtest.a gtest_main.a
-  $ sudo cp libgtest.a libgtest_main.a /opt/local/lib
-  $ sudo mkdir /opt/local/include/gtest
-  $ sudo cp -pr ../gtest-svn/include/gtest /opt/local/include/gtest 
-
-We will also need to make openssl and install it appropriately
-
-  $ cd <git directory>
-  $ cd third_party/openssl
-  $ ./config
-  $ sudo make install
-  $ cd ../../
-
-If you are going to make changes and need to regenerate the projects file,
-you will need to install certain modules for python.
-
-  $ sudo easy_install simplejson mako
-
-Mingw-specific notes:
----------------------
-
-While gRPC compiles properly under mingw, some more preparation work is needed.
-The recommendation is to use msys2. The installation instructions are available
-at that address: http://msys2.github.io/
-
-Once this is installed, make sure you are using the following: MinGW-w64 Win64.
-You'll be required to install a few more packages:
-
-  $ pacman -S make mingw-w64-x86_64-gcc mingw-w64-x86_64-zlib autoconf automake libtool
-
-Please also install OpenSSL from that website:
-
-  http://slproweb.com/products/Win32OpenSSL.html
-
-The package Win64 OpenSSL v1.0.2a should do. At that point you should be able
-to compile gRPC with the following:
-
-  $ export LDFLAGS="-L/mingw64/lib -L/c/OpenSSL-Win64"
-  $ export CPPFLAGS="-I/mingw64/include -I/c/OpenSSL-Win64/include"
-  $ make
-
-A word on OpenSSL
------------------
-
-Secure HTTP2 requires the TLS extension ALPN (see rfc 7301 and
-http://http2.github.io/http2-spec/ section 3.3). Our HTTP2 implementation
-relies on OpenSSL's implementation. OpenSSL 1.0.2 is the first released version
-of OpenSSL that has ALPN support, and this explains our dependency on it.
-
-Note that the Makefile supports compiling only the unsecure elements of grpc,
-and if you do not have OpenSSL and do not want it, you can still proceed
-with installing only the elements you require. However, we strongly recommend
-the use of encryption for all network traffic, and discourage the use of grpc
-without TLS.
-
-
-Compiling
-=========
-
-If you have all the dependencies mentioned above, you should simply be able
-to go ahead and run "make" to compile grpc's C and C++ libraries:
-
-  $ make
-
-
-Testing
-=======
-
-To build and run the tests, you can run the command:
-
-  $ make test
-
-If you want to be able to run them in parallel, and get better output, you can
-also use the python tool we have written:
-
-  $ ./tools/run_tests/run_tests.py
-
-
-Installing
-==========
-
-Once everything is compiled, you should be able to install grpc C and C++
-libraries and headers:
-
-  # make install
diff --git a/INSTALL.md b/INSTALL.md
new file mode 100644
index 0000000000..66e6c33a77
--- /dev/null
+++ b/INSTALL.md
@@ -0,0 +1,57 @@
+#If you are in a hurry
+
+For language-specific installation instructions for gRPC runtime, please
+refer to these documents
+
+ * [C++](examples/cpp): Currently to install gRPC for C++, you need to build from source as described below.
+ * [C#](src/csharp): NuGet package `Grpc`
+ * [Go](https://github.com/grpc/grpc-go): `go get google.golang.org/grpc`
+ * [Java](https://github.com/grpc/grpc-java)
+ * [Node](src/node): `npm install grpc`
+ * [Objective-C](src/objective-c)
+ * [PHP](src/php): `pecl install grpc-beta`
+ * [Python](src/python/grpcio): `pip install grpcio`
+ * [Ruby](src/ruby): `gem install grpc`
+
+
+#Pre-requisites
+
+##Linux
+
+```sh
+ $ [sudo] apt-get install build-essential autoconf libtool
+```
+
+##Mac OSX
+
+For a Mac system, git is not available by default. You will first need to
+install Xcode from the Mac AppStore and then run the following command from a
+terminal:
+
+```sh
+ $ [sudo] xcode-select --install
+```
+
+##Protoc
+
+By default gRPC uses [protocol buffers](https://github.com/google/protobuf),
+you will need the `protoc` compiler to generate stub server and client code.
+
+If you compile gRPC from source, as described below, the Makefile will
+automatically try and compile the `protoc` in third_party if you cloned the
+repository recursively and it detects that you don't already have it
+installed.
+
+
+#Build from Source
+
+For developers who are interested to contribute, here is how to compile the
+gRPC C Core library.
+
+```sh
+ $ git clone https://github.com/grpc/grpc.git
+ $ cd grpc
+ $ git submodule update --init
+ $ make
+ $ [sudo] make install
+```
diff --git a/LICENSE b/LICENSE
index ac4b207af7..0209b570e1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2015-2016, Google Inc.
+Copyright 2015, Google Inc.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/MANIFEST.md b/MANIFEST.md
index b523f8f6fa..77e014002d 100644
--- a/MANIFEST.md
+++ b/MANIFEST.md
@@ -1,14 +1,28 @@
 # Top-level Items by language
 
+## Bazel
+* [grpc.bzl](grpc.bzl)
+
 ## Node
 * [binding.gyp](binding.gyp)
+* [package.json](package.json)
 
 ## Objective-C
 * [gRPC.podspec](gRPC.podspec)
 
+## PHP
+* [composer.json](composer.json)
+* [config.m4](config.m4)
+* [package.xml](package.xml)
+
 ## Python
 * [requirements.txt](requirements.txt)
 * [setup.cfg](setup.cfg)
 * [setup.py](setup.py)
 * [tox.ini](tox.ini)
 * [PYTHON-MANIFEST.in](PYTHON-MANIFEST.in)
+
+## Ruby
+* [Gemfile](Gemfile)
+* [grpc.gemspec](grpc.gemspec)
+* [Rakefile](Rakefile)
diff --git a/Makefile b/Makefile
index 8e876e2b04..6646223628 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 # This file can be regenerated from the template by running
 # tools/buildgen/generate_projects.sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -95,6 +95,56 @@ LDXX_opt = $(DEFAULT_CXX)
 CPPFLAGS_opt = -O2
 DEFINES_opt = NDEBUG
 
+VALID_CONFIG_asan-trace-cmp = 1
+REQUIRE_CUSTOM_LIBRARIES_asan-trace-cmp = 1
+CC_asan-trace-cmp = clang
+CXX_asan-trace-cmp = clang++
+LD_asan-trace-cmp = clang
+LDXX_asan-trace-cmp = clang++
+CPPFLAGS_asan-trace-cmp = -O0 -fsanitize-coverage=edge -fsanitize-coverage=trace-cmp -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_asan-trace-cmp = -fsanitize=address
+DEFINES_asan-trace-cmp += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
+
+VALID_CONFIG_dbg = 1
+CC_dbg = $(DEFAULT_CC)
+CXX_dbg = $(DEFAULT_CXX)
+LD_dbg = $(DEFAULT_CC)
+LDXX_dbg = $(DEFAULT_CXX)
+CPPFLAGS_dbg = -O0
+DEFINES_dbg = _DEBUG DEBUG
+
+VALID_CONFIG_easan = 1
+REQUIRE_CUSTOM_LIBRARIES_easan = 1
+CC_easan = clang
+CXX_easan = clang++
+LD_easan = clang
+LDXX_easan = clang++
+CPPFLAGS_easan = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_easan = -fsanitize=address
+DEFINES_easan = _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
+DEFINES_easan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
+
+VALID_CONFIG_asan = 1
+REQUIRE_CUSTOM_LIBRARIES_asan = 1
+CC_asan = clang
+CXX_asan = clang++
+LD_asan = clang
+LDXX_asan = clang++
+CPPFLAGS_asan = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_asan = -fsanitize=address
+DEFINES_asan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
+
+VALID_CONFIG_msan = 1
+REQUIRE_CUSTOM_LIBRARIES_msan = 1
+CC_msan = clang
+CXX_msan = clang++
+LD_msan = clang
+LDXX_msan = clang++
+CPPFLAGS_msan = -O0 -fsanitize-coverage=edge -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+DEFINES_msan = NDEBUG
+DEFINES_msan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=4
+
 VALID_CONFIG_basicprof = 1
 CC_basicprof = $(DEFAULT_CC)
 CXX_basicprof = $(DEFAULT_CXX)
@@ -119,9 +169,17 @@ CC_asan-noleaks = clang
 CXX_asan-noleaks = clang++
 LD_asan-noleaks = clang
 LDXX_asan-noleaks = clang++
-CPPFLAGS_asan-noleaks = -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+CPPFLAGS_asan-noleaks = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
 LDFLAGS_asan-noleaks = -fsanitize=address
-DEFINES_asan-noleaks += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=1.5
+DEFINES_asan-noleaks += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
+
+VALID_CONFIG_edbg = 1
+CC_edbg = $(DEFAULT_CC)
+CXX_edbg = $(DEFAULT_CXX)
+LD_edbg = $(DEFAULT_CC)
+LDXX_edbg = $(DEFAULT_CXX)
+CPPFLAGS_edbg = -O0
+DEFINES_edbg = _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
 
 VALID_CONFIG_ubsan = 1
 REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
@@ -129,18 +187,20 @@ CC_ubsan = clang
 CXX_ubsan = clang++
 LD_ubsan = clang
 LDXX_ubsan = clang++
-CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
+CPPFLAGS_ubsan = -O1 -fsanitize-coverage=edge -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
 LDFLAGS_ubsan = -fsanitize=undefined
 DEFINES_ubsan = NDEBUG
 DEFINES_ubsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=1.5
 
-VALID_CONFIG_dbg = 1
-CC_dbg = $(DEFAULT_CC)
-CXX_dbg = $(DEFAULT_CXX)
-LD_dbg = $(DEFAULT_CC)
-LDXX_dbg = $(DEFAULT_CXX)
-CPPFLAGS_dbg = -O0
-DEFINES_dbg = _DEBUG DEBUG
+VALID_CONFIG_tsan = 1
+REQUIRE_CUSTOM_LIBRARIES_tsan = 1
+CC_tsan = clang
+CXX_tsan = clang++
+LD_tsan = clang
+LDXX_tsan = clang++
+CPPFLAGS_tsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_tsan = -fsanitize=thread
+DEFINES_tsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=5
 
 VALID_CONFIG_stapprof = 1
 CC_stapprof = $(DEFAULT_CC)
@@ -150,14 +210,14 @@ LDXX_stapprof = $(DEFAULT_CXX)
 CPPFLAGS_stapprof = -O2 -DGRPC_STAP_PROFILER
 DEFINES_stapprof = NDEBUG
 
-VALID_CONFIG_gcov = 1
-CC_gcov = gcc
-CXX_gcov = g++
-LD_gcov = gcc
-LDXX_gcov = g++
-CPPFLAGS_gcov = -O0 -fprofile-arcs -ftest-coverage -Wno-return-type
-LDFLAGS_gcov = -fprofile-arcs -ftest-coverage -rdynamic
-DEFINES_gcov = _DEBUG DEBUG GPR_GCOV
+VALID_CONFIG_mutrace = 1
+CC_mutrace = $(DEFAULT_CC)
+CXX_mutrace = $(DEFAULT_CXX)
+LD_mutrace = $(DEFAULT_CC)
+LDXX_mutrace = $(DEFAULT_CXX)
+CPPFLAGS_mutrace = -O0
+LDFLAGS_mutrace = -rdynamic
+DEFINES_mutrace = _DEBUG DEBUG
 
 VALID_CONFIG_memcheck = 1
 CC_memcheck = $(DEFAULT_CC)
@@ -169,45 +229,25 @@ LDFLAGS_memcheck = -rdynamic
 DEFINES_memcheck = _DEBUG DEBUG
 DEFINES_memcheck += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=10
 
-VALID_CONFIG_asan = 1
-REQUIRE_CUSTOM_LIBRARIES_asan = 1
-CC_asan = clang
-CXX_asan = clang++
-LD_asan = clang
-LDXX_asan = clang++
-CPPFLAGS_asan = -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
-LDFLAGS_asan = -fsanitize=address
-DEFINES_asan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=1.5
-
-VALID_CONFIG_tsan = 1
-REQUIRE_CUSTOM_LIBRARIES_tsan = 1
-CC_tsan = clang
-CXX_tsan = clang++
-LD_tsan = clang
-LDXX_tsan = clang++
-CPPFLAGS_tsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
-LDFLAGS_tsan = -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
-DEFINES_tsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=2
+VALID_CONFIG_etsan = 1
+REQUIRE_CUSTOM_LIBRARIES_etsan = 1
+CC_etsan = clang
+CXX_etsan = clang++
+LD_etsan = clang
+LDXX_etsan = clang++
+CPPFLAGS_etsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_etsan = -fsanitize=thread
+DEFINES_etsan = _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
+DEFINES_etsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=5
 
-VALID_CONFIG_msan = 1
-REQUIRE_CUSTOM_LIBRARIES_msan = 1
-CC_msan = clang
-CXX_msan = clang++
-LD_msan = clang
-LDXX_msan = clang++
-CPPFLAGS_msan = -O0 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
-LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
-DEFINES_msan = NDEBUG
-DEFINES_msan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=2
-
-VALID_CONFIG_mutrace = 1
-CC_mutrace = $(DEFAULT_CC)
-CXX_mutrace = $(DEFAULT_CXX)
-LD_mutrace = $(DEFAULT_CC)
-LDXX_mutrace = $(DEFAULT_CXX)
-CPPFLAGS_mutrace = -O0
-LDFLAGS_mutrace = -rdynamic
-DEFINES_mutrace = _DEBUG DEBUG
+VALID_CONFIG_gcov = 1
+CC_gcov = gcc
+CXX_gcov = g++
+LD_gcov = gcc
+LDXX_gcov = g++
+CPPFLAGS_gcov = -O0 -fprofile-arcs -ftest-coverage -Wno-return-type
+LDFLAGS_gcov = -fprofile-arcs -ftest-coverage -rdynamic
+DEFINES_gcov = _DEBUG DEBUG GPR_GCOV
 
 
 
@@ -247,7 +287,7 @@ STRIP ?= strip --strip-unneeded
 else
 ifeq ($(SYSTEM),Darwin)
 ifeq ($(origin AR), default)
-AR = libtool -o
+AR = libtool -no_warning_for_no_symbols -o
 endif
 STRIP ?= strip -x
 else
@@ -275,6 +315,12 @@ endif
 CXX11_CHECK_CMD = $(CXX) -std=c++11 -o $(TMPOUT) -c test/build/c++11.cc
 HAS_CXX11 = $(shell $(CXX11_CHECK_CMD) 2> /dev/null && echo true || echo false)
 
+CHECK_SHADOW_WORKS_CMD = $(CC) -std=c99 -Werror -Wshadow -o $(TMPOUT) -c test/build/shadow.c
+HAS_WORKING_SHADOW = $(shell $(CHECK_SHADOW_WORKS_CMD) 2> /dev/null && echo true || echo false)
+ifeq ($(HAS_WORKING_SHADOW),true)
+W_SHADOW=-Wshadow
+endif
+
 CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD = $(CC) -std=c99 -Werror -Wno-shift-negative-value -o $(TMPOUT) -c test/build/empty.c
 HAS_NO_SHIFT_NEGATIVE_VALUE = $(shell $(CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD) 2> /dev/null && echo true || echo false)
 ifeq ($(HAS_NO_SHIFT_NEGATIVE_VALUE),true)
@@ -295,7 +341,7 @@ ifdef EXTRA_DEFINES
 DEFINES += $(EXTRA_DEFINES)
 endif
 
-CFLAGS += -std=c99 -Wsign-conversion -Wconversion -Wshadow
+CFLAGS += -std=c99 -Wsign-conversion -Wconversion $(W_SHADOW)
 ifeq ($(HAS_CXX11),true)
 CXXFLAGS += -std=c++11
 else
@@ -426,6 +472,7 @@ endif
 
 OPENSSL_ALPN_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/openssl-alpn.c $(addprefix -l, $(OPENSSL_LIBS)) $(LDFLAGS)
 OPENSSL_NPN_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/openssl-npn.c $(addprefix -l, $(OPENSSL_LIBS)) $(LDFLAGS)
+BORINGSSL_COMPILE_CHECK_CMD = $(CC) $(CPPFLAGS) -Ithird_party/boringssl/include -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN -D_HAS_EXCEPTIONS=0 -DNOMINMAX $(CFLAGS) -Wno-sign-conversion -Wno-conversion -Wno-unused-value -Wno-unknown-pragmas -Wno-implicit-function-declaration -Wno-unused-variable -Wno-sign-compare -o $(TMPOUT) test/build/boringssl.c $(LDFLAGS)
 ZLIB_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/zlib.c -lz $(LDFLAGS)
 PROTOBUF_CHECK_CMD = $(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $(TMPOUT) test/build/protobuf.cc -lprotobuf $(LDFLAGS)
 
@@ -510,10 +557,13 @@ HAS_ZOOKEEPER = $(shell $(ZOOKEEPER_CHECK_CMD) 2> /dev/null && echo true || echo
 # Note that for testing purposes, one can do:
 #   make HAS_EMBEDDED_OPENSSL_ALPN=false
 # to emulate the fact we do not have OpenSSL in the third_party folder.
-ifeq ($(wildcard third_party/boringssl/include/openssl/ssl.h),)
+ifneq ($(wildcard third_party/openssl-1.0.2f/libssl.a),)
+HAS_EMBEDDED_OPENSSL_ALPN = third_party/openssl-1.0.2f
+else ifeq ($(wildcard third_party/boringssl/include/openssl/ssl.h),)
 HAS_EMBEDDED_OPENSSL_ALPN = false
 else
-HAS_EMBEDDED_OPENSSL_ALPN = true
+CAN_COMPILE_EMBEDDED_OPENSSL ?= $(shell $(BORINGSSL_COMPILE_CHECK_CMD) 2> /dev/null && echo true || echo false)
+HAS_EMBEDDED_OPENSSL_ALPN = $(CAN_COMPILE_EMBEDDED_OPENSSL)
 endif
 
 ifeq ($(wildcard third_party/zlib/zlib.h),)
@@ -572,8 +622,8 @@ ifeq ($(HAS_SYSTEM_OPENSSL_ALPN),true)
 EMBED_OPENSSL ?= false
 NO_SECURE ?= false
 else # HAS_SYSTEM_OPENSSL_ALPN=false
-ifeq ($(HAS_EMBEDDED_OPENSSL_ALPN),true)
-EMBED_OPENSSL ?= true
+ifneq ($(HAS_EMBEDDED_OPENSSL_ALPN),false)
+EMBED_OPENSSL ?= $(HAS_EMBEDDED_OPENSSL_ALPN)
 NO_SECURE ?= false
 else # HAS_EMBEDDED_OPENSSL_ALPN=false
 ifeq ($(HAS_SYSTEM_OPENSSL_NPN),true)
@@ -594,6 +644,12 @@ OPENSSL_MERGE_LIBS += $(LIBDIR)/$(CONFIG)/libboringssl.a
 OPENSSL_MERGE_OBJS += $(LIBBORINGSSL_OBJS)
 # need to prefix these to ensure overriding system libraries
 CPPFLAGS := -Ithird_party/boringssl/include $(CPPFLAGS)
+else ifneq ($(EMBED_OPENSSL),false)
+OPENSSL_DEP += $(EMBED_OPENSSL)/libssl.a $(EMBED_OPENSSL)/libcrypto.a
+OPENSSL_MERGE_LIBS += $(EMBED_OPENSSL)/libssl.a $(EMBED_OPENSSL)/libcrypto.a
+OPENSSL_MERGE_OBJS += $(wildcard $(EMBED_OPENSSL)/grpc_obj/*.o)
+# need to prefix these to ensure overriding system libraries
+CPPFLAGS := -I$(EMBED_OPENSSL)/include $(CPPFLAGS)
 else # EMBED_OPENSSL=false
 ifeq ($(HAS_PKG_CONFIG),true)
 OPENSSL_PKG_CONFIG = true
@@ -768,8 +824,9 @@ openssl_dep_message:
 	@echo
 	@echo "DEPENDENCY ERROR"
 	@echo
-	@echo "The target you are trying to run requires OpenSSL."
-	@echo "Your system doesn't have it, and neither does the third_party directory."
+	@echo "The target you are trying to run requires an OpenSSL implementation."
+	@echo "Your system doesn't have one, and either the third_party directory"
+	@echo "doesn't have it, or your compiler can't build BoringSSL."
 	@echo
 	@echo "Please consult INSTALL to get more information."
 	@echo
@@ -826,13 +883,15 @@ alloc_test: $(BINDIR)/$(CONFIG)/alloc_test
 alpn_test: $(BINDIR)/$(CONFIG)/alpn_test
 bin_encoder_test: $(BINDIR)/$(CONFIG)/bin_encoder_test
 census_context_test: $(BINDIR)/$(CONFIG)/census_context_test
-census_log_test: $(BINDIR)/$(CONFIG)/census_log_test
 channel_create_test: $(BINDIR)/$(CONFIG)/channel_create_test
 chttp2_hpack_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
 chttp2_status_conversion_test: $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test
 chttp2_stream_map_test: $(BINDIR)/$(CONFIG)/chttp2_stream_map_test
 chttp2_varint_test: $(BINDIR)/$(CONFIG)/chttp2_varint_test
+client_fuzzer: $(BINDIR)/$(CONFIG)/client_fuzzer
 compression_test: $(BINDIR)/$(CONFIG)/compression_test
+concurrent_connectivity_test: $(BINDIR)/$(CONFIG)/concurrent_connectivity_test
+dns_resolver_connectivity_test: $(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test
 dns_resolver_test: $(BINDIR)/$(CONFIG)/dns_resolver_test
 dualstack_socket_test: $(BINDIR)/$(CONFIG)/dualstack_socket_test
 endpoint_pair_test: $(BINDIR)/$(CONFIG)/endpoint_pair_test
@@ -844,13 +903,15 @@ fling_stream_test: $(BINDIR)/$(CONFIG)/fling_stream_test
 fling_test: $(BINDIR)/$(CONFIG)/fling_test
 gen_hpack_tables: $(BINDIR)/$(CONFIG)/gen_hpack_tables
 gen_legal_metadata_characters: $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters
+goaway_server_test: $(BINDIR)/$(CONFIG)/goaway_server_test
 gpr_avl_test: $(BINDIR)/$(CONFIG)/gpr_avl_test
+gpr_backoff_test: $(BINDIR)/$(CONFIG)/gpr_backoff_test
 gpr_cmdline_test: $(BINDIR)/$(CONFIG)/gpr_cmdline_test
 gpr_cpu_test: $(BINDIR)/$(CONFIG)/gpr_cpu_test
 gpr_env_test: $(BINDIR)/$(CONFIG)/gpr_env_test
-gpr_file_test: $(BINDIR)/$(CONFIG)/gpr_file_test
 gpr_histogram_test: $(BINDIR)/$(CONFIG)/gpr_histogram_test
 gpr_host_port_test: $(BINDIR)/$(CONFIG)/gpr_host_port_test
+gpr_load_file_test: $(BINDIR)/$(CONFIG)/gpr_load_file_test
 gpr_log_test: $(BINDIR)/$(CONFIG)/gpr_log_test
 gpr_slice_buffer_test: $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test
 gpr_slice_test: $(BINDIR)/$(CONFIG)/gpr_slice_test
@@ -862,7 +923,7 @@ gpr_time_test: $(BINDIR)/$(CONFIG)/gpr_time_test
 gpr_tls_test: $(BINDIR)/$(CONFIG)/gpr_tls_test
 gpr_useful_test: $(BINDIR)/$(CONFIG)/gpr_useful_test
 grpc_auth_context_test: $(BINDIR)/$(CONFIG)/grpc_auth_context_test
-grpc_base64_test: $(BINDIR)/$(CONFIG)/grpc_base64_test
+grpc_b64_test: $(BINDIR)/$(CONFIG)/grpc_b64_test
 grpc_byte_buffer_reader_test: $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test
 grpc_channel_args_test: $(BINDIR)/$(CONFIG)/grpc_channel_args_test
 grpc_channel_stack_test: $(BINDIR)/$(CONFIG)/grpc_channel_stack_test
@@ -876,14 +937,20 @@ grpc_jwt_verifier_test: $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test
 grpc_print_google_default_creds_token: $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token
 grpc_security_connector_test: $(BINDIR)/$(CONFIG)/grpc_security_connector_test
 grpc_verify_jwt: $(BINDIR)/$(CONFIG)/grpc_verify_jwt
+hpack_parser_fuzzer_test: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test
 hpack_parser_test: $(BINDIR)/$(CONFIG)/hpack_parser_test
 hpack_table_test: $(BINDIR)/$(CONFIG)/hpack_table_test
+http_fuzzer_test: $(BINDIR)/$(CONFIG)/http_fuzzer_test
+http_parser_test: $(BINDIR)/$(CONFIG)/http_parser_test
 httpcli_format_request_test: $(BINDIR)/$(CONFIG)/httpcli_format_request_test
-httpcli_parser_test: $(BINDIR)/$(CONFIG)/httpcli_parser_test
 httpcli_test: $(BINDIR)/$(CONFIG)/httpcli_test
 httpscli_test: $(BINDIR)/$(CONFIG)/httpscli_test
 init_test: $(BINDIR)/$(CONFIG)/init_test
+internal_api_canary_iomgr_test: $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test
+internal_api_canary_support_test: $(BINDIR)/$(CONFIG)/internal_api_canary_support_test
+internal_api_canary_transport_test: $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test
 invalid_call_argument_test: $(BINDIR)/$(CONFIG)/invalid_call_argument_test
+json_fuzzer_test: $(BINDIR)/$(CONFIG)/json_fuzzer_test
 json_rewrite: $(BINDIR)/$(CONFIG)/json_rewrite
 json_rewrite_test: $(BINDIR)/$(CONFIG)/json_rewrite_test
 json_stream_error_test: $(BINDIR)/$(CONFIG)/json_stream_error_test
@@ -892,13 +959,17 @@ lame_client_test: $(BINDIR)/$(CONFIG)/lame_client_test
 lb_policies_test: $(BINDIR)/$(CONFIG)/lb_policies_test
 low_level_ping_pong_benchmark: $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark
 message_compress_test: $(BINDIR)/$(CONFIG)/message_compress_test
+mlog_test: $(BINDIR)/$(CONFIG)/mlog_test
 multiple_server_queues_test: $(BINDIR)/$(CONFIG)/multiple_server_queues_test
 murmur_hash_test: $(BINDIR)/$(CONFIG)/murmur_hash_test
+nanopb_fuzzer_response_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+nanopb_fuzzer_serverlist_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
 no_server_test: $(BINDIR)/$(CONFIG)/no_server_test
 resolve_address_test: $(BINDIR)/$(CONFIG)/resolve_address_test
 secure_channel_create_test: $(BINDIR)/$(CONFIG)/secure_channel_create_test
 secure_endpoint_test: $(BINDIR)/$(CONFIG)/secure_endpoint_test
 server_chttp2_test: $(BINDIR)/$(CONFIG)/server_chttp2_test
+server_fuzzer: $(BINDIR)/$(CONFIG)/server_fuzzer
 server_test: $(BINDIR)/$(CONFIG)/server_test
 set_initial_connect_string_test: $(BINDIR)/$(CONFIG)/set_initial_connect_string_test
 sockaddr_resolver_test: $(BINDIR)/$(CONFIG)/sockaddr_resolver_test
@@ -916,6 +987,7 @@ transport_connectivity_state_test: $(BINDIR)/$(CONFIG)/transport_connectivity_st
 transport_metadata_test: $(BINDIR)/$(CONFIG)/transport_metadata_test
 transport_security_test: $(BINDIR)/$(CONFIG)/transport_security_test
 udp_server_test: $(BINDIR)/$(CONFIG)/udp_server_test
+uri_fuzzer_test: $(BINDIR)/$(CONFIG)/uri_fuzzer_test
 uri_parser_test: $(BINDIR)/$(CONFIG)/uri_parser_test
 workqueue_test: $(BINDIR)/$(CONFIG)/workqueue_test
 alarm_cpp_test: $(BINDIR)/$(CONFIG)/alarm_cpp_test
@@ -927,6 +999,8 @@ channel_arguments_test: $(BINDIR)/$(CONFIG)/channel_arguments_test
 cli_call_test: $(BINDIR)/$(CONFIG)/cli_call_test
 client_crash_test: $(BINDIR)/$(CONFIG)/client_crash_test
 client_crash_test_server: $(BINDIR)/$(CONFIG)/client_crash_test_server
+codegen_test_full: $(BINDIR)/$(CONFIG)/codegen_test_full
+codegen_test_minimal: $(BINDIR)/$(CONFIG)/codegen_test_minimal
 credentials_test: $(BINDIR)/$(CONFIG)/credentials_test
 cxx_byte_buffer_test: $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test
 cxx_slice_test: $(BINDIR)/$(CONFIG)/cxx_slice_test
@@ -942,14 +1016,17 @@ grpc_node_plugin: $(BINDIR)/$(CONFIG)/grpc_node_plugin
 grpc_objective_c_plugin: $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin
 grpc_python_plugin: $(BINDIR)/$(CONFIG)/grpc_python_plugin
 grpc_ruby_plugin: $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
+grpclb_api_test: $(BINDIR)/$(CONFIG)/grpclb_api_test
 hybrid_end2end_test: $(BINDIR)/$(CONFIG)/hybrid_end2end_test
 interop_client: $(BINDIR)/$(CONFIG)/interop_client
 interop_server: $(BINDIR)/$(CONFIG)/interop_server
 interop_test: $(BINDIR)/$(CONFIG)/interop_test
+json_run_localhost: $(BINDIR)/$(CONFIG)/json_run_localhost
 metrics_client: $(BINDIR)/$(CONFIG)/metrics_client
 mock_test: $(BINDIR)/$(CONFIG)/mock_test
 qps_driver: $(BINDIR)/$(CONFIG)/qps_driver
 qps_interarrival_test: $(BINDIR)/$(CONFIG)/qps_interarrival_test
+qps_json_driver: $(BINDIR)/$(CONFIG)/qps_json_driver
 qps_openloop_test: $(BINDIR)/$(CONFIG)/qps_openloop_test
 qps_test: $(BINDIR)/$(CONFIG)/qps_test
 qps_worker: $(BINDIR)/$(CONFIG)/qps_worker
@@ -969,6 +1046,7 @@ thread_stress_test: $(BINDIR)/$(CONFIG)/thread_stress_test
 zookeeper_test: $(BINDIR)/$(CONFIG)/zookeeper_test
 public_headers_must_be_c89: $(BINDIR)/$(CONFIG)/public_headers_must_be_c89
 boringssl_aes_test: $(BINDIR)/$(CONFIG)/boringssl_aes_test
+boringssl_asn1_test: $(BINDIR)/$(CONFIG)/boringssl_asn1_test
 boringssl_base64_test: $(BINDIR)/$(CONFIG)/boringssl_base64_test
 boringssl_bio_test: $(BINDIR)/$(CONFIG)/boringssl_bio_test
 boringssl_bn_test: $(BINDIR)/$(CONFIG)/boringssl_bn_test
@@ -1006,6 +1084,7 @@ boringssl_pqueue_test: $(BINDIR)/$(CONFIG)/boringssl_pqueue_test
 boringssl_ssl_test: $(BINDIR)/$(CONFIG)/boringssl_ssl_test
 badreq_bad_client_test: $(BINDIR)/$(CONFIG)/badreq_bad_client_test
 connection_prefix_bad_client_test: $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test
+head_of_line_blocking_bad_client_test: $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
 headers_bad_client_test: $(BINDIR)/$(CONFIG)/headers_bad_client_test
 initial_settings_frame_bad_client_test: $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 server_registered_method_bad_client_test: $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test
@@ -1021,32 +1100,33 @@ h2_compress_test: $(BINDIR)/$(CONFIG)/h2_compress_test
 h2_fakesec_test: $(BINDIR)/$(CONFIG)/h2_fakesec_test
 h2_full_test: $(BINDIR)/$(CONFIG)/h2_full_test
 h2_full+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_test
-h2_full+poll_test: $(BINDIR)/$(CONFIG)/h2_full+poll_test
-h2_full+poll+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
+h2_full+trace_test: $(BINDIR)/$(CONFIG)/h2_full+trace_test
 h2_oauth2_test: $(BINDIR)/$(CONFIG)/h2_oauth2_test
 h2_proxy_test: $(BINDIR)/$(CONFIG)/h2_proxy_test
 h2_sockpair_test: $(BINDIR)/$(CONFIG)/h2_sockpair_test
 h2_sockpair+trace_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
 h2_sockpair_1byte_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
 h2_ssl_test: $(BINDIR)/$(CONFIG)/h2_ssl_test
-h2_ssl+poll_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
 h2_ssl_proxy_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
-h2_uchannel_test: $(BINDIR)/$(CONFIG)/h2_uchannel_test
 h2_uds_test: $(BINDIR)/$(CONFIG)/h2_uds_test
-h2_uds+poll_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_test
 h2_census_nosec_test: $(BINDIR)/$(CONFIG)/h2_census_nosec_test
 h2_compress_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_nosec_test
 h2_full_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_nosec_test
 h2_full+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test
-h2_full+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
-h2_full+poll+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
+h2_full+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
 h2_proxy_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test
 h2_sockpair_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test
 h2_sockpair+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
 h2_sockpair_1byte_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
-h2_uchannel_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
 h2_uds_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
-h2_uds+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
+client_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry
+hpack_parser_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
+http_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
+json_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry
+nanopb_fuzzer_response_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+nanopb_fuzzer_serverlist_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+server_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
+uri_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry
 
 run_dep_checks:
 	$(OPENSSL_ALPN_CHECK_CMD) || true
@@ -1103,7 +1183,7 @@ plugins: $(PROTOC_PLUGINS)
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libreconnect_server.a $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libz.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a
+privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libreconnect_server.a $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libz.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a
 pc_c: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc.pc
 
 pc_c_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_unsecure.pc
@@ -1118,7 +1198,7 @@ pc_cxx: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc
 
 pc_cxx_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc
 
-privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
+privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
 
 ifeq ($(HAS_ZOOKEEPER),true)
 privatelibs_zookeeper: 
@@ -1136,13 +1216,14 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/alpn_test \
   $(BINDIR)/$(CONFIG)/bin_encoder_test \
   $(BINDIR)/$(CONFIG)/census_context_test \
-  $(BINDIR)/$(CONFIG)/census_log_test \
   $(BINDIR)/$(CONFIG)/channel_create_test \
   $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test \
   $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test \
   $(BINDIR)/$(CONFIG)/chttp2_stream_map_test \
   $(BINDIR)/$(CONFIG)/chttp2_varint_test \
   $(BINDIR)/$(CONFIG)/compression_test \
+  $(BINDIR)/$(CONFIG)/concurrent_connectivity_test \
+  $(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test \
   $(BINDIR)/$(CONFIG)/dns_resolver_test \
   $(BINDIR)/$(CONFIG)/dualstack_socket_test \
   $(BINDIR)/$(CONFIG)/endpoint_pair_test \
@@ -1152,13 +1233,15 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/fling_server \
   $(BINDIR)/$(CONFIG)/fling_stream_test \
   $(BINDIR)/$(CONFIG)/fling_test \
+  $(BINDIR)/$(CONFIG)/goaway_server_test \
   $(BINDIR)/$(CONFIG)/gpr_avl_test \
+  $(BINDIR)/$(CONFIG)/gpr_backoff_test \
   $(BINDIR)/$(CONFIG)/gpr_cmdline_test \
   $(BINDIR)/$(CONFIG)/gpr_cpu_test \
   $(BINDIR)/$(CONFIG)/gpr_env_test \
-  $(BINDIR)/$(CONFIG)/gpr_file_test \
   $(BINDIR)/$(CONFIG)/gpr_histogram_test \
   $(BINDIR)/$(CONFIG)/gpr_host_port_test \
+  $(BINDIR)/$(CONFIG)/gpr_load_file_test \
   $(BINDIR)/$(CONFIG)/gpr_log_test \
   $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test \
   $(BINDIR)/$(CONFIG)/gpr_slice_test \
@@ -1170,7 +1253,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/gpr_tls_test \
   $(BINDIR)/$(CONFIG)/gpr_useful_test \
   $(BINDIR)/$(CONFIG)/grpc_auth_context_test \
-  $(BINDIR)/$(CONFIG)/grpc_base64_test \
+  $(BINDIR)/$(CONFIG)/grpc_b64_test \
   $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test \
   $(BINDIR)/$(CONFIG)/grpc_channel_args_test \
   $(BINDIR)/$(CONFIG)/grpc_channel_stack_test \
@@ -1182,11 +1265,14 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/grpc_security_connector_test \
   $(BINDIR)/$(CONFIG)/hpack_parser_test \
   $(BINDIR)/$(CONFIG)/hpack_table_test \
+  $(BINDIR)/$(CONFIG)/http_parser_test \
   $(BINDIR)/$(CONFIG)/httpcli_format_request_test \
-  $(BINDIR)/$(CONFIG)/httpcli_parser_test \
   $(BINDIR)/$(CONFIG)/httpcli_test \
   $(BINDIR)/$(CONFIG)/httpscli_test \
   $(BINDIR)/$(CONFIG)/init_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_support_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test \
   $(BINDIR)/$(CONFIG)/invalid_call_argument_test \
   $(BINDIR)/$(CONFIG)/json_rewrite \
   $(BINDIR)/$(CONFIG)/json_rewrite_test \
@@ -1195,6 +1281,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/lame_client_test \
   $(BINDIR)/$(CONFIG)/lb_policies_test \
   $(BINDIR)/$(CONFIG)/message_compress_test \
+  $(BINDIR)/$(CONFIG)/mlog_test \
   $(BINDIR)/$(CONFIG)/multiple_server_queues_test \
   $(BINDIR)/$(CONFIG)/murmur_hash_test \
   $(BINDIR)/$(CONFIG)/no_server_test \
@@ -1224,6 +1311,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/public_headers_must_be_c89 \
   $(BINDIR)/$(CONFIG)/badreq_bad_client_test \
   $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test \
+  $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test \
   $(BINDIR)/$(CONFIG)/headers_bad_client_test \
   $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test \
   $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test \
@@ -1239,32 +1327,33 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_fakesec_test \
   $(BINDIR)/$(CONFIG)/h2_full_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test \
+  $(BINDIR)/$(CONFIG)/h2_full+trace_test \
   $(BINDIR)/$(CONFIG)/h2_oauth2_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_test \
-  $(BINDIR)/$(CONFIG)/h2_ssl+poll_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test \
-  $(BINDIR)/$(CONFIG)/h2_uchannel_test \
   $(BINDIR)/$(CONFIG)/h2_uds_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_test \
   $(BINDIR)/$(CONFIG)/h2_census_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_compress_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test \
+  $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry \
+  $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry \
+  $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry \
+  $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry \
 
 
 buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
@@ -1277,6 +1366,8 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/cli_call_test \
   $(BINDIR)/$(CONFIG)/client_crash_test \
   $(BINDIR)/$(CONFIG)/client_crash_test_server \
+  $(BINDIR)/$(CONFIG)/codegen_test_full \
+  $(BINDIR)/$(CONFIG)/codegen_test_minimal \
   $(BINDIR)/$(CONFIG)/credentials_test \
   $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test \
   $(BINDIR)/$(CONFIG)/cxx_slice_test \
@@ -1286,15 +1377,19 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test \
   $(BINDIR)/$(CONFIG)/generic_end2end_test \
   $(BINDIR)/$(CONFIG)/grpc_cli \
+  $(BINDIR)/$(CONFIG)/grpclb_api_test \
   $(BINDIR)/$(CONFIG)/hybrid_end2end_test \
   $(BINDIR)/$(CONFIG)/interop_client \
   $(BINDIR)/$(CONFIG)/interop_server \
   $(BINDIR)/$(CONFIG)/interop_test \
+  $(BINDIR)/$(CONFIG)/json_run_localhost \
   $(BINDIR)/$(CONFIG)/metrics_client \
   $(BINDIR)/$(CONFIG)/mock_test \
   $(BINDIR)/$(CONFIG)/qps_interarrival_test \
+  $(BINDIR)/$(CONFIG)/qps_json_driver \
   $(BINDIR)/$(CONFIG)/qps_openloop_test \
   $(BINDIR)/$(CONFIG)/qps_test \
+  $(BINDIR)/$(CONFIG)/qps_worker \
   $(BINDIR)/$(CONFIG)/reconnect_interop_client \
   $(BINDIR)/$(CONFIG)/reconnect_interop_server \
   $(BINDIR)/$(CONFIG)/secure_auth_context_test \
@@ -1309,6 +1404,7 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test \
   $(BINDIR)/$(CONFIG)/thread_stress_test \
   $(BINDIR)/$(CONFIG)/boringssl_aes_test \
+  $(BINDIR)/$(CONFIG)/boringssl_asn1_test \
   $(BINDIR)/$(CONFIG)/boringssl_base64_test \
   $(BINDIR)/$(CONFIG)/boringssl_bio_test \
   $(BINDIR)/$(CONFIG)/boringssl_bn_test \
@@ -1372,8 +1468,6 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/bin_encoder_test || ( echo test bin_encoder_test failed ; exit 1 )
 	$(E) "[RUN]     Testing census_context_test"
 	$(Q) $(BINDIR)/$(CONFIG)/census_context_test || ( echo test census_context_test failed ; exit 1 )
-	$(E) "[RUN]     Testing census_log_test"
-	$(Q) $(BINDIR)/$(CONFIG)/census_log_test || ( echo test census_log_test failed ; exit 1 )
 	$(E) "[RUN]     Testing channel_create_test"
 	$(Q) $(BINDIR)/$(CONFIG)/channel_create_test || ( echo test channel_create_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_hpack_encoder_test"
@@ -1386,6 +1480,10 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_varint_test || ( echo test chttp2_varint_test failed ; exit 1 )
 	$(E) "[RUN]     Testing compression_test"
 	$(Q) $(BINDIR)/$(CONFIG)/compression_test || ( echo test compression_test failed ; exit 1 )
+	$(E) "[RUN]     Testing concurrent_connectivity_test"
+	$(Q) $(BINDIR)/$(CONFIG)/concurrent_connectivity_test || ( echo test concurrent_connectivity_test failed ; exit 1 )
+	$(E) "[RUN]     Testing dns_resolver_connectivity_test"
+	$(Q) $(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test || ( echo test dns_resolver_connectivity_test failed ; exit 1 )
 	$(E) "[RUN]     Testing dns_resolver_test"
 	$(Q) $(BINDIR)/$(CONFIG)/dns_resolver_test || ( echo test dns_resolver_test failed ; exit 1 )
 	$(E) "[RUN]     Testing dualstack_socket_test"
@@ -1400,20 +1498,24 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/fling_stream_test || ( echo test fling_stream_test failed ; exit 1 )
 	$(E) "[RUN]     Testing fling_test"
 	$(Q) $(BINDIR)/$(CONFIG)/fling_test || ( echo test fling_test failed ; exit 1 )
+	$(E) "[RUN]     Testing goaway_server_test"
+	$(Q) $(BINDIR)/$(CONFIG)/goaway_server_test || ( echo test goaway_server_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_avl_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_avl_test || ( echo test gpr_avl_test failed ; exit 1 )
+	$(E) "[RUN]     Testing gpr_backoff_test"
+	$(Q) $(BINDIR)/$(CONFIG)/gpr_backoff_test || ( echo test gpr_backoff_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_cmdline_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_cmdline_test || ( echo test gpr_cmdline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_cpu_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_cpu_test || ( echo test gpr_cpu_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_env_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_env_test || ( echo test gpr_env_test failed ; exit 1 )
-	$(E) "[RUN]     Testing gpr_file_test"
-	$(Q) $(BINDIR)/$(CONFIG)/gpr_file_test || ( echo test gpr_file_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_histogram_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_histogram_test || ( echo test gpr_histogram_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_host_port_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_host_port_test || ( echo test gpr_host_port_test failed ; exit 1 )
+	$(E) "[RUN]     Testing gpr_load_file_test"
+	$(Q) $(BINDIR)/$(CONFIG)/gpr_load_file_test || ( echo test gpr_load_file_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_log_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_log_test || ( echo test gpr_log_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_slice_buffer_test"
@@ -1436,8 +1538,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_useful_test || ( echo test gpr_useful_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_auth_context_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_auth_context_test || ( echo test grpc_auth_context_test failed ; exit 1 )
-	$(E) "[RUN]     Testing grpc_base64_test"
-	$(Q) $(BINDIR)/$(CONFIG)/grpc_base64_test || ( echo test grpc_base64_test failed ; exit 1 )
+	$(E) "[RUN]     Testing grpc_b64_test"
+	$(Q) $(BINDIR)/$(CONFIG)/grpc_b64_test || ( echo test grpc_b64_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_byte_buffer_reader_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test || ( echo test grpc_byte_buffer_reader_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_channel_args_test"
@@ -1460,10 +1562,10 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/hpack_parser_test || ( echo test hpack_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hpack_table_test"
 	$(Q) $(BINDIR)/$(CONFIG)/hpack_table_test || ( echo test hpack_table_test failed ; exit 1 )
+	$(E) "[RUN]     Testing http_parser_test"
+	$(Q) $(BINDIR)/$(CONFIG)/http_parser_test || ( echo test http_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpcli_format_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/httpcli_format_request_test || ( echo test httpcli_format_request_test failed ; exit 1 )
-	$(E) "[RUN]     Testing httpcli_parser_test"
-	$(Q) $(BINDIR)/$(CONFIG)/httpcli_parser_test || ( echo test httpcli_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpcli_test"
 	$(Q) $(BINDIR)/$(CONFIG)/httpcli_test || ( echo test httpcli_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpscli_test"
@@ -1480,8 +1582,6 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/json_test || ( echo test json_test failed ; exit 1 )
 	$(E) "[RUN]     Testing lame_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/lame_client_test || ( echo test lame_client_test failed ; exit 1 )
-	$(E) "[RUN]     Testing lb_policies_test"
-	$(Q) $(BINDIR)/$(CONFIG)/lb_policies_test || ( echo test lb_policies_test failed ; exit 1 )
 	$(E) "[RUN]     Testing message_compress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/message_compress_test || ( echo test message_compress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing multiple_server_queues_test"
@@ -1542,6 +1642,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/badreq_bad_client_test || ( echo test badreq_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing connection_prefix_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test || ( echo test connection_prefix_bad_client_test failed ; exit 1 )
+	$(E) "[RUN]     Testing head_of_line_blocking_bad_client_test"
+	$(Q) $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test || ( echo test head_of_line_blocking_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing headers_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/headers_bad_client_test || ( echo test headers_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing initial_settings_frame_bad_client_test"
@@ -1561,6 +1663,10 @@ test_c: buildtests_c
 
 
 flaky_test_c: buildtests_c
+	$(E) "[RUN]     Testing lb_policies_test"
+	$(Q) $(BINDIR)/$(CONFIG)/lb_policies_test || ( echo test lb_policies_test failed ; exit 1 )
+	$(E) "[RUN]     Testing mlog_test"
+	$(Q) $(BINDIR)/$(CONFIG)/mlog_test || ( echo test mlog_test failed ; exit 1 )
 
 
 test_cxx: test_zookeeper buildtests_cxx
@@ -1580,6 +1686,10 @@ test_cxx: test_zookeeper buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/cli_call_test || ( echo test cli_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing client_crash_test"
 	$(Q) $(BINDIR)/$(CONFIG)/client_crash_test || ( echo test client_crash_test failed ; exit 1 )
+	$(E) "[RUN]     Testing codegen_test_full"
+	$(Q) $(BINDIR)/$(CONFIG)/codegen_test_full || ( echo test codegen_test_full failed ; exit 1 )
+	$(E) "[RUN]     Testing codegen_test_minimal"
+	$(Q) $(BINDIR)/$(CONFIG)/codegen_test_minimal || ( echo test codegen_test_minimal failed ; exit 1 )
 	$(E) "[RUN]     Testing credentials_test"
 	$(Q) $(BINDIR)/$(CONFIG)/credentials_test || ( echo test credentials_test failed ; exit 1 )
 	$(E) "[RUN]     Testing cxx_byte_buffer_test"
@@ -1596,6 +1706,8 @@ test_cxx: test_zookeeper buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test || ( echo test generic_async_streaming_ping_pong_test failed ; exit 1 )
 	$(E) "[RUN]     Testing generic_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/generic_end2end_test || ( echo test generic_end2end_test failed ; exit 1 )
+	$(E) "[RUN]     Testing grpclb_api_test"
+	$(Q) $(BINDIR)/$(CONFIG)/grpclb_api_test || ( echo test grpclb_api_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hybrid_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/hybrid_end2end_test || ( echo test hybrid_end2end_test failed ; exit 1 )
 	$(E) "[RUN]     Testing interop_test"
@@ -1653,7 +1765,7 @@ tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/
 
 tools_cxx: privatelibs_cxx
 
-buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark $(BINDIR)/$(CONFIG)/qps_driver $(BINDIR)/$(CONFIG)/qps_worker
+buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark $(BINDIR)/$(CONFIG)/qps_driver
 
 benchmarks: buildbenchmarks
 
@@ -1748,6 +1860,21 @@ $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc:
 	$(Q) echo "$(GRPCXX_UNSECURE_PC_FILE)" | tr , '\n' >$@
 
 ifeq ($(NO_PROTOC),true)
+$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc: protoc_dep_error
+$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc: protoc_dep_error
+else
+$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc: src/proto/grpc/lb/v0/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
+	$(E) "[PROTOC]  Generating protobuf CC file from $<"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(PROTOC) --cpp_out=$(GENDIR) $<
+
+$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc: src/proto/grpc/lb/v0/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
+	$(E) "[GRPC]    Generating gRPC's protobuf service CC file from $<"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(PROTOC) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
+endif
+
+ifeq ($(NO_PROTOC),true)
 $(GENDIR)/src/proto/grpc/testing/control.pb.cc: protoc_dep_error
 $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc: protoc_dep_error
 else
@@ -2171,49 +2298,50 @@ clean:
 
 
 LIBGPR_SRC = \
-    src/core/profiling/basic_timers.c \
-    src/core/profiling/stap_timers.c \
-    src/core/support/alloc.c \
-    src/core/support/avl.c \
-    src/core/support/cmdline.c \
-    src/core/support/cpu_iphone.c \
-    src/core/support/cpu_linux.c \
-    src/core/support/cpu_posix.c \
-    src/core/support/cpu_windows.c \
-    src/core/support/env_linux.c \
-    src/core/support/env_posix.c \
-    src/core/support/env_win32.c \
-    src/core/support/file.c \
-    src/core/support/file_posix.c \
-    src/core/support/file_win32.c \
-    src/core/support/histogram.c \
-    src/core/support/host_port.c \
-    src/core/support/log.c \
-    src/core/support/log_android.c \
-    src/core/support/log_linux.c \
-    src/core/support/log_posix.c \
-    src/core/support/log_win32.c \
-    src/core/support/murmur_hash.c \
-    src/core/support/slice.c \
-    src/core/support/slice_buffer.c \
-    src/core/support/stack_lockfree.c \
-    src/core/support/string.c \
-    src/core/support/string_posix.c \
-    src/core/support/string_win32.c \
-    src/core/support/subprocess_posix.c \
-    src/core/support/subprocess_windows.c \
-    src/core/support/sync.c \
-    src/core/support/sync_posix.c \
-    src/core/support/sync_win32.c \
-    src/core/support/thd.c \
-    src/core/support/thd_posix.c \
-    src/core/support/thd_win32.c \
-    src/core/support/time.c \
-    src/core/support/time_posix.c \
-    src/core/support/time_precise.c \
-    src/core/support/time_win32.c \
-    src/core/support/tls_pthread.c \
-    src/core/support/wrap_memcpy.c \
+    src/core/lib/profiling/basic_timers.c \
+    src/core/lib/profiling/stap_timers.c \
+    src/core/lib/support/alloc.c \
+    src/core/lib/support/avl.c \
+    src/core/lib/support/backoff.c \
+    src/core/lib/support/cmdline.c \
+    src/core/lib/support/cpu_iphone.c \
+    src/core/lib/support/cpu_linux.c \
+    src/core/lib/support/cpu_posix.c \
+    src/core/lib/support/cpu_windows.c \
+    src/core/lib/support/env_linux.c \
+    src/core/lib/support/env_posix.c \
+    src/core/lib/support/env_win32.c \
+    src/core/lib/support/histogram.c \
+    src/core/lib/support/host_port.c \
+    src/core/lib/support/load_file.c \
+    src/core/lib/support/log.c \
+    src/core/lib/support/log_android.c \
+    src/core/lib/support/log_linux.c \
+    src/core/lib/support/log_posix.c \
+    src/core/lib/support/log_win32.c \
+    src/core/lib/support/murmur_hash.c \
+    src/core/lib/support/slice.c \
+    src/core/lib/support/slice_buffer.c \
+    src/core/lib/support/stack_lockfree.c \
+    src/core/lib/support/string.c \
+    src/core/lib/support/string_posix.c \
+    src/core/lib/support/string_win32.c \
+    src/core/lib/support/subprocess_posix.c \
+    src/core/lib/support/subprocess_windows.c \
+    src/core/lib/support/sync.c \
+    src/core/lib/support/sync_posix.c \
+    src/core/lib/support/sync_win32.c \
+    src/core/lib/support/thd.c \
+    src/core/lib/support/thd_posix.c \
+    src/core/lib/support/thd_win32.c \
+    src/core/lib/support/time.c \
+    src/core/lib/support/time_posix.c \
+    src/core/lib/support/time_precise.c \
+    src/core/lib/support/time_win32.c \
+    src/core/lib/support/tls_pthread.c \
+    src/core/lib/support/tmpfile_posix.c \
+    src/core/lib/support/tmpfile_win32.c \
+    src/core/lib/support/wrap_memcpy.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/support/alloc.h \
@@ -2268,7 +2396,7 @@ $(LIBDIR)/$(CONFIG)/libgpr.a: $(ZLIB_DEP)  $(LIBGPR_OBJS)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBGPR_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgpr.a
 endif
 
 
@@ -2299,6 +2427,7 @@ endif
 LIBGPR_TEST_UTIL_SRC = \
     test/core/util/test_config.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBGPR_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGPR_TEST_UTIL_SRC))))
 
@@ -2309,7 +2438,7 @@ $(LIBDIR)/$(CONFIG)/libgpr_test_util.a: $(ZLIB_DEP)  $(LIBGPR_TEST_UTIL_OBJS)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgpr_test_util.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBGPR_TEST_UTIL_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgpr_test_util.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgpr_test_util.a
 endif
 
 
@@ -2321,175 +2450,199 @@ endif
 
 
 LIBGRPC_SRC = \
-    src/core/httpcli/httpcli_security_connector.c \
-    src/core/security/base64.c \
-    src/core/security/client_auth_filter.c \
-    src/core/security/credentials.c \
-    src/core/security/credentials_metadata.c \
-    src/core/security/credentials_posix.c \
-    src/core/security/credentials_win32.c \
-    src/core/security/google_default_credentials.c \
-    src/core/security/handshake.c \
-    src/core/security/json_token.c \
-    src/core/security/jwt_verifier.c \
-    src/core/security/secure_endpoint.c \
-    src/core/security/security_connector.c \
-    src/core/security/security_context.c \
-    src/core/security/server_auth_filter.c \
-    src/core/security/server_secure_chttp2.c \
-    src/core/surface/init_secure.c \
-    src/core/surface/secure_channel_create.c \
-    src/core/tsi/fake_transport_security.c \
-    src/core/tsi/ssl_transport_security.c \
-    src/core/tsi/transport_security.c \
-    src/core/census/grpc_context.c \
-    src/core/census/grpc_filter.c \
-    src/core/channel/channel_args.c \
-    src/core/channel/channel_stack.c \
-    src/core/channel/client_channel.c \
-    src/core/channel/client_uchannel.c \
-    src/core/channel/compress_filter.c \
-    src/core/channel/connected_channel.c \
-    src/core/channel/http_client_filter.c \
-    src/core/channel/http_server_filter.c \
-    src/core/channel/subchannel_call_holder.c \
-    src/core/client_config/client_config.c \
-    src/core/client_config/connector.c \
-    src/core/client_config/default_initial_connect_string.c \
-    src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/pick_first.c \
-    src/core/client_config/lb_policies/round_robin.c \
-    src/core/client_config/lb_policy.c \
-    src/core/client_config/lb_policy_factory.c \
-    src/core/client_config/lb_policy_registry.c \
-    src/core/client_config/resolver.c \
-    src/core/client_config/resolver_factory.c \
-    src/core/client_config/resolver_registry.c \
-    src/core/client_config/resolvers/dns_resolver.c \
-    src/core/client_config/resolvers/sockaddr_resolver.c \
-    src/core/client_config/subchannel.c \
-    src/core/client_config/subchannel_factory.c \
-    src/core/client_config/subchannel_index.c \
-    src/core/client_config/uri_parser.c \
-    src/core/compression/algorithm.c \
-    src/core/compression/message_compress.c \
-    src/core/debug/trace.c \
-    src/core/httpcli/format_request.c \
-    src/core/httpcli/httpcli.c \
-    src/core/httpcli/parser.c \
-    src/core/iomgr/closure.c \
-    src/core/iomgr/endpoint.c \
-    src/core/iomgr/endpoint_pair_posix.c \
-    src/core/iomgr/endpoint_pair_windows.c \
-    src/core/iomgr/exec_ctx.c \
-    src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
-    src/core/iomgr/iocp_windows.c \
-    src/core/iomgr/iomgr.c \
-    src/core/iomgr/iomgr_posix.c \
-    src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
-    src/core/iomgr/pollset_set_windows.c \
-    src/core/iomgr/pollset_windows.c \
-    src/core/iomgr/resolve_address_posix.c \
-    src/core/iomgr/resolve_address_windows.c \
-    src/core/iomgr/sockaddr_utils.c \
-    src/core/iomgr/socket_utils_common_posix.c \
-    src/core/iomgr/socket_utils_linux.c \
-    src/core/iomgr/socket_utils_posix.c \
-    src/core/iomgr/socket_windows.c \
-    src/core/iomgr/tcp_client_posix.c \
-    src/core/iomgr/tcp_client_windows.c \
-    src/core/iomgr/tcp_posix.c \
-    src/core/iomgr/tcp_server_posix.c \
-    src/core/iomgr/tcp_server_windows.c \
-    src/core/iomgr/tcp_windows.c \
-    src/core/iomgr/time_averaged_stats.c \
-    src/core/iomgr/timer.c \
-    src/core/iomgr/timer_heap.c \
-    src/core/iomgr/udp_server.c \
-    src/core/iomgr/wakeup_fd_eventfd.c \
-    src/core/iomgr/wakeup_fd_nospecial.c \
-    src/core/iomgr/wakeup_fd_pipe.c \
-    src/core/iomgr/wakeup_fd_posix.c \
-    src/core/iomgr/workqueue_posix.c \
-    src/core/iomgr/workqueue_windows.c \
-    src/core/json/json.c \
-    src/core/json/json_reader.c \
-    src/core/json/json_string.c \
-    src/core/json/json_writer.c \
-    src/core/surface/alarm.c \
-    src/core/surface/api_trace.c \
-    src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_reader.c \
-    src/core/surface/call.c \
-    src/core/surface/call_details.c \
-    src/core/surface/call_log_batch.c \
-    src/core/surface/channel.c \
-    src/core/surface/channel_connectivity.c \
-    src/core/surface/channel_create.c \
-    src/core/surface/channel_ping.c \
-    src/core/surface/completion_queue.c \
-    src/core/surface/event_string.c \
-    src/core/surface/init.c \
-    src/core/surface/lame_client.c \
-    src/core/surface/metadata_array.c \
-    src/core/surface/server.c \
-    src/core/surface/server_chttp2.c \
-    src/core/surface/server_create.c \
-    src/core/surface/validate_metadata.c \
-    src/core/surface/version.c \
-    src/core/transport/byte_stream.c \
-    src/core/transport/chttp2/alpn.c \
-    src/core/transport/chttp2/bin_encoder.c \
-    src/core/transport/chttp2/frame_data.c \
-    src/core/transport/chttp2/frame_goaway.c \
-    src/core/transport/chttp2/frame_ping.c \
-    src/core/transport/chttp2/frame_rst_stream.c \
-    src/core/transport/chttp2/frame_settings.c \
-    src/core/transport/chttp2/frame_window_update.c \
-    src/core/transport/chttp2/hpack_encoder.c \
-    src/core/transport/chttp2/hpack_parser.c \
-    src/core/transport/chttp2/hpack_table.c \
-    src/core/transport/chttp2/huffsyms.c \
-    src/core/transport/chttp2/incoming_metadata.c \
-    src/core/transport/chttp2/parsing.c \
-    src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_lists.c \
-    src/core/transport/chttp2/stream_map.c \
-    src/core/transport/chttp2/timeout_encoding.c \
-    src/core/transport/chttp2/varint.c \
-    src/core/transport/chttp2/writing.c \
-    src/core/transport/chttp2_transport.c \
-    src/core/transport/connectivity_state.c \
-    src/core/transport/metadata.c \
-    src/core/transport/metadata_batch.c \
-    src/core/transport/static_metadata.c \
-    src/core/transport/transport.c \
-    src/core/transport/transport_op_string.c \
-    src/core/census/context.c \
-    src/core/census/initialize.c \
-    src/core/census/log.c \
-    src/core/census/operation.c \
-    src/core/census/placeholders.c \
-    src/core/census/tracing.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
+    src/core/lib/security/b64.c \
+    src/core/lib/security/client_auth_filter.c \
+    src/core/lib/security/credentials.c \
+    src/core/lib/security/credentials_metadata.c \
+    src/core/lib/security/credentials_posix.c \
+    src/core/lib/security/credentials_win32.c \
+    src/core/lib/security/google_default_credentials.c \
+    src/core/lib/security/handshake.c \
+    src/core/lib/security/json_token.c \
+    src/core/lib/security/jwt_verifier.c \
+    src/core/lib/security/secure_endpoint.c \
+    src/core/lib/security/security_connector.c \
+    src/core/lib/security/security_context.c \
+    src/core/lib/security/server_auth_filter.c \
+    src/core/lib/surface/init_secure.c \
+    src/core/lib/tsi/fake_transport_security.c \
+    src/core/lib/tsi/ssl_transport_security.c \
+    src/core/lib/tsi/transport_security.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
+    third_party/nanopb/pb_common.c \
+    third_party/nanopb/pb_decode.c \
+    third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
-    include/grpc/grpc_security.h \
+    include/grpc/byte_buffer.h \
+    include/grpc/byte_buffer_reader.h \
+    include/grpc/compression.h \
+    include/grpc/grpc.h \
+    include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/compression_types.h \
     include/grpc/impl/codegen/connectivity_state.h \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
-    include/grpc/byte_buffer.h \
-    include/grpc/byte_buffer_reader.h \
-    include/grpc/compression.h \
-    include/grpc/grpc.h \
-    include/grpc/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc/grpc_security.h \
     include/grpc/census.h \
 
 LIBGRPC_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_SRC))))
@@ -2512,7 +2665,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBGRPC_OBJS)  $(LIB
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBGRPC_OBJS)  $(LIBGPR_OBJS)  $(ZLIB_MERGE_OBJS)  $(OPENSSL_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc.a
 endif
 
 
@@ -2553,8 +2706,11 @@ LIBGRPC_TEST_UTIL_SRC = \
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/memory_counters.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
     test/core/util/port_posix.c \
+    test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
     test/core/util/slice_splitter.c \
 
@@ -2579,7 +2735,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBGRPC_TE
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBGRPC_TEST_UTIL_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a
 endif
 
 
@@ -2599,8 +2755,11 @@ LIBGRPC_TEST_UTIL_UNSECURE_SRC = \
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/memory_counters.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
     test/core/util/port_posix.c \
+    test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
     test/core/util/slice_splitter.c \
 
@@ -2615,7 +2774,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a: $(ZLIB_DEP)  $(LIBGRPC_TEST_UT
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBGRPC_TEST_UTIL_UNSECURE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a
 endif
 
 
@@ -2627,141 +2786,151 @@ endif
 
 
 LIBGRPC_UNSECURE_SRC = \
-    src/core/surface/init_unsecure.c \
-    src/core/census/grpc_context.c \
-    src/core/census/grpc_filter.c \
-    src/core/channel/channel_args.c \
-    src/core/channel/channel_stack.c \
-    src/core/channel/client_channel.c \
-    src/core/channel/client_uchannel.c \
-    src/core/channel/compress_filter.c \
-    src/core/channel/connected_channel.c \
-    src/core/channel/http_client_filter.c \
-    src/core/channel/http_server_filter.c \
-    src/core/channel/subchannel_call_holder.c \
-    src/core/client_config/client_config.c \
-    src/core/client_config/connector.c \
-    src/core/client_config/default_initial_connect_string.c \
-    src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/pick_first.c \
-    src/core/client_config/lb_policies/round_robin.c \
-    src/core/client_config/lb_policy.c \
-    src/core/client_config/lb_policy_factory.c \
-    src/core/client_config/lb_policy_registry.c \
-    src/core/client_config/resolver.c \
-    src/core/client_config/resolver_factory.c \
-    src/core/client_config/resolver_registry.c \
-    src/core/client_config/resolvers/dns_resolver.c \
-    src/core/client_config/resolvers/sockaddr_resolver.c \
-    src/core/client_config/subchannel.c \
-    src/core/client_config/subchannel_factory.c \
-    src/core/client_config/subchannel_index.c \
-    src/core/client_config/uri_parser.c \
-    src/core/compression/algorithm.c \
-    src/core/compression/message_compress.c \
-    src/core/debug/trace.c \
-    src/core/httpcli/format_request.c \
-    src/core/httpcli/httpcli.c \
-    src/core/httpcli/parser.c \
-    src/core/iomgr/closure.c \
-    src/core/iomgr/endpoint.c \
-    src/core/iomgr/endpoint_pair_posix.c \
-    src/core/iomgr/endpoint_pair_windows.c \
-    src/core/iomgr/exec_ctx.c \
-    src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
-    src/core/iomgr/iocp_windows.c \
-    src/core/iomgr/iomgr.c \
-    src/core/iomgr/iomgr_posix.c \
-    src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
-    src/core/iomgr/pollset_set_windows.c \
-    src/core/iomgr/pollset_windows.c \
-    src/core/iomgr/resolve_address_posix.c \
-    src/core/iomgr/resolve_address_windows.c \
-    src/core/iomgr/sockaddr_utils.c \
-    src/core/iomgr/socket_utils_common_posix.c \
-    src/core/iomgr/socket_utils_linux.c \
-    src/core/iomgr/socket_utils_posix.c \
-    src/core/iomgr/socket_windows.c \
-    src/core/iomgr/tcp_client_posix.c \
-    src/core/iomgr/tcp_client_windows.c \
-    src/core/iomgr/tcp_posix.c \
-    src/core/iomgr/tcp_server_posix.c \
-    src/core/iomgr/tcp_server_windows.c \
-    src/core/iomgr/tcp_windows.c \
-    src/core/iomgr/time_averaged_stats.c \
-    src/core/iomgr/timer.c \
-    src/core/iomgr/timer_heap.c \
-    src/core/iomgr/udp_server.c \
-    src/core/iomgr/wakeup_fd_eventfd.c \
-    src/core/iomgr/wakeup_fd_nospecial.c \
-    src/core/iomgr/wakeup_fd_pipe.c \
-    src/core/iomgr/wakeup_fd_posix.c \
-    src/core/iomgr/workqueue_posix.c \
-    src/core/iomgr/workqueue_windows.c \
-    src/core/json/json.c \
-    src/core/json/json_reader.c \
-    src/core/json/json_string.c \
-    src/core/json/json_writer.c \
-    src/core/surface/alarm.c \
-    src/core/surface/api_trace.c \
-    src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_reader.c \
-    src/core/surface/call.c \
-    src/core/surface/call_details.c \
-    src/core/surface/call_log_batch.c \
-    src/core/surface/channel.c \
-    src/core/surface/channel_connectivity.c \
-    src/core/surface/channel_create.c \
-    src/core/surface/channel_ping.c \
-    src/core/surface/completion_queue.c \
-    src/core/surface/event_string.c \
-    src/core/surface/init.c \
-    src/core/surface/lame_client.c \
-    src/core/surface/metadata_array.c \
-    src/core/surface/server.c \
-    src/core/surface/server_chttp2.c \
-    src/core/surface/server_create.c \
-    src/core/surface/validate_metadata.c \
-    src/core/surface/version.c \
-    src/core/transport/byte_stream.c \
-    src/core/transport/chttp2/alpn.c \
-    src/core/transport/chttp2/bin_encoder.c \
-    src/core/transport/chttp2/frame_data.c \
-    src/core/transport/chttp2/frame_goaway.c \
-    src/core/transport/chttp2/frame_ping.c \
-    src/core/transport/chttp2/frame_rst_stream.c \
-    src/core/transport/chttp2/frame_settings.c \
-    src/core/transport/chttp2/frame_window_update.c \
-    src/core/transport/chttp2/hpack_encoder.c \
-    src/core/transport/chttp2/hpack_parser.c \
-    src/core/transport/chttp2/hpack_table.c \
-    src/core/transport/chttp2/huffsyms.c \
-    src/core/transport/chttp2/incoming_metadata.c \
-    src/core/transport/chttp2/parsing.c \
-    src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_lists.c \
-    src/core/transport/chttp2/stream_map.c \
-    src/core/transport/chttp2/timeout_encoding.c \
-    src/core/transport/chttp2/varint.c \
-    src/core/transport/chttp2/writing.c \
-    src/core/transport/chttp2_transport.c \
-    src/core/transport/connectivity_state.c \
-    src/core/transport/metadata.c \
-    src/core/transport/metadata_batch.c \
-    src/core/transport/static_metadata.c \
-    src/core/transport/transport.c \
-    src/core/transport/transport_op_string.c \
-    src/core/census/context.c \
-    src/core/census/initialize.c \
-    src/core/census/log.c \
-    src/core/census/operation.c \
-    src/core/census/placeholders.c \
-    src/core/census/tracing.c \
+    src/core/lib/surface/init_unsecure.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
+    third_party/nanopb/pb_common.c \
+    third_party/nanopb/pb_decode.c \
+    third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_unsecure_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer.h \
@@ -2775,6 +2944,20 @@ PUBLIC_HEADERS_C += \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
     include/grpc/census.h \
 
 LIBGRPC_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_UNSECURE_SRC))))
@@ -2786,7 +2969,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a: $(ZLIB_DEP)  $(LIBGRPC_UNSECURE_OBJS)  $
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBGRPC_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(ZLIB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
 endif
 
 
@@ -2815,7 +2998,7 @@ endif
 
 
 LIBGRPC_ZOOKEEPER_SRC = \
-    src/core/client_config/resolvers/zookeeper_resolver.c \
+    src/core/ext/resolver/zookeeper/zookeeper_resolver.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/grpc_zookeeper.h \
@@ -2829,7 +3012,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a: $(ZLIB_DEP)  $(LIBGRPC_ZOOKEEPER_OBJS)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(LIBGRPC_ZOOKEEPER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
 endif
 
 
@@ -2857,9 +3040,35 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+LIBONE_INPUT_FUZZER_SRC = \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+PUBLIC_HEADERS_C += \
+
+LIBONE_INPUT_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBONE_INPUT_FUZZER_SRC))))
+
+
+$(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a: $(ZLIB_DEP)  $(LIBONE_INPUT_FUZZER_OBJS) 
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a
+	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBONE_INPUT_FUZZER_OBJS) 
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBONE_INPUT_FUZZER_OBJS:.o=.dep)
+endif
+
+
 LIBRECONNECT_SERVER_SRC = \
     test/core/util/reconnect_server.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBRECONNECT_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBRECONNECT_SERVER_SRC))))
 
@@ -2880,7 +3089,7 @@ $(LIBDIR)/$(CONFIG)/libreconnect_server.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBRECON
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libreconnect_server.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libreconnect_server.a $(LIBRECONNECT_SERVER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libreconnect_server.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libreconnect_server.a
 endif
 
 
@@ -2898,6 +3107,7 @@ endif
 LIBTEST_TCP_SERVER_SRC = \
     test/core/util/test_tcp_server.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBTEST_TCP_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBTEST_TCP_SERVER_SRC))))
 
@@ -2918,7 +3128,7 @@ $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBTEST_T
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBTEST_TCP_SERVER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a
 endif
 
 
@@ -2947,12 +3157,10 @@ LIBGRPC++_SRC = \
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
-    src/cpp/common/alarm.cc \
-    src/cpp/common/call.cc \
     src/cpp/common/channel_arguments.cc \
     src/cpp/common/completion_queue.cc \
+    src/cpp/common/core_codegen.cc \
     src/cpp/common/rpc_method.cc \
-    src/cpp/proto/proto_utils.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
@@ -2966,7 +3174,7 @@ LIBGRPC++_SRC = \
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
-    src/cpp/codegen/grpc_library.cc \
+    src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
     include/grpc++/alarm.h \
@@ -3004,8 +3212,6 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3022,8 +3228,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/client_unary_call.h \
     include/grpc++/impl/codegen/completion_queue.h \
     include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/impl/codegen/core_codegen_interface.h \
     include/grpc++/impl/codegen/grpc_library.h \
     include/grpc++/impl/codegen/method_handler_impl.h \
     include/grpc++/impl/codegen/proto_utils.h \
@@ -3043,6 +3248,30 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/sync_no_cxx11.h \
     include/grpc++/impl/codegen/sync_stream.h \
     include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_SRC))))
 
@@ -3073,7 +3302,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTOBUF_DEP) $(LI
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBGRPC++_OBJS)  $(LIBGPR_OBJS)  $(ZLIB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc++.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++.a
 endif
 
 
@@ -3110,6 +3339,7 @@ endif
 LIBGRPC++_TEST_CONFIG_SRC = \
     test/cpp/util/test_config.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBGRPC++_TEST_CONFIG_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_TEST_CONFIG_SRC))))
 
@@ -3138,7 +3368,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTOB
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBGRPC++_TEST_CONFIG_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 endif
 
 
@@ -3165,7 +3395,9 @@ LIBGRPC++_TEST_UTIL_SRC = \
     test/cpp/util/create_test_channel.cc \
     test/cpp/util/string_ref_helper.cc \
     test/cpp/util/subprocess.cc \
+    test/cpp/util/test_credentials_provider.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBGRPC++_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_TEST_UTIL_SRC))))
 
@@ -3194,7 +3426,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTOBUF
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBGRPC++_TEST_UTIL_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a
 endif
 
 
@@ -3215,6 +3447,7 @@ $(OBJDIR)/$(CONFIG)/test/cpp/util/cli_call.o: $(GENDIR)/src/proto/grpc/testing/e
 $(OBJDIR)/$(CONFIG)/test/cpp/util/create_test_channel.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
 $(OBJDIR)/$(CONFIG)/test/cpp/util/string_ref_helper.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
 $(OBJDIR)/$(CONFIG)/test/cpp/util/subprocess.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/test_credentials_provider.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
 
 
 LIBGRPC++_UNSECURE_SRC = \
@@ -3226,12 +3459,10 @@ LIBGRPC++_UNSECURE_SRC = \
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
-    src/cpp/common/alarm.cc \
-    src/cpp/common/call.cc \
     src/cpp/common/channel_arguments.cc \
     src/cpp/common/completion_queue.cc \
+    src/cpp/common/core_codegen.cc \
     src/cpp/common/rpc_method.cc \
-    src/cpp/proto/proto_utils.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
@@ -3245,7 +3476,7 @@ LIBGRPC++_UNSECURE_SRC = \
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
-    src/cpp/codegen/grpc_library.cc \
+    src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
     include/grpc++/alarm.h \
@@ -3283,8 +3514,6 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3301,8 +3530,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/client_unary_call.h \
     include/grpc++/impl/codegen/completion_queue.h \
     include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/impl/codegen/core_codegen_interface.h \
     include/grpc++/impl/codegen/grpc_library.h \
     include/grpc++/impl/codegen/method_handler_impl.h \
     include/grpc++/impl/codegen/proto_utils.h \
@@ -3322,6 +3550,30 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/sync_no_cxx11.h \
     include/grpc++/impl/codegen/sync_stream.h \
     include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_UNSECURE_SRC))))
 
@@ -3342,24 +3594,24 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBGRPC
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a $(LIBGRPC++_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(ZLIB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 endif
 
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so
 endif
@@ -3379,59 +3631,12 @@ LIBGRPC_PLUGIN_SUPPORT_SRC = \
     src/compiler/objective_c_generator.cc \
     src/compiler/python_generator.cc \
     src/compiler/ruby_generator.cc \
-    src/cpp/codegen/grpc_library.cc \
 
 PUBLIC_HEADERS_CXX += \
-    include/grpc++/impl/codegen/async_stream.h \
-    include/grpc++/impl/codegen/async_unary_call.h \
-    include/grpc++/impl/codegen/call.h \
-    include/grpc++/impl/codegen/call_hook.h \
-    include/grpc++/impl/codegen/channel_interface.h \
-    include/grpc++/impl/codegen/client_context.h \
-    include/grpc++/impl/codegen/client_unary_call.h \
-    include/grpc++/impl/codegen/completion_queue.h \
-    include/grpc++/impl/codegen/completion_queue_tag.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
     include/grpc++/impl/codegen/config.h \
     include/grpc++/impl/codegen/config_protobuf.h \
-    include/grpc++/impl/codegen/grpc_library.h \
-    include/grpc++/impl/codegen/method_handler_impl.h \
-    include/grpc++/impl/codegen/proto_utils.h \
-    include/grpc++/impl/codegen/rpc_method.h \
-    include/grpc++/impl/codegen/rpc_service_method.h \
-    include/grpc++/impl/codegen/security/auth_context.h \
-    include/grpc++/impl/codegen/serialization_traits.h \
-    include/grpc++/impl/codegen/server_context.h \
-    include/grpc++/impl/codegen/server_interface.h \
-    include/grpc++/impl/codegen/service_type.h \
-    include/grpc++/impl/codegen/status.h \
-    include/grpc++/impl/codegen/status_code_enum.h \
-    include/grpc++/impl/codegen/string_ref.h \
-    include/grpc++/impl/codegen/stub_options.h \
-    include/grpc++/impl/codegen/sync.h \
-    include/grpc++/impl/codegen/sync_cxx11.h \
-    include/grpc++/impl/codegen/sync_no_cxx11.h \
-    include/grpc++/impl/codegen/sync_stream.h \
-    include/grpc++/impl/codegen/time.h \
-    include/grpc/impl/codegen/byte_buffer.h \
-    include/grpc/impl/codegen/compression_types.h \
-    include/grpc/impl/codegen/connectivity_state.h \
-    include/grpc/impl/codegen/grpc_types.h \
-    include/grpc/impl/codegen/propagation_bits.h \
-    include/grpc/impl/codegen/status.h \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
 
 LIBGRPC_PLUGIN_SUPPORT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_PLUGIN_SUPPORT_SRC))))
 
@@ -3451,7 +3656,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIB
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a $(LIBGRPC_PLUGIN_SUPPORT_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
 endif
 
 
@@ -3468,6 +3673,7 @@ LIBINTEROP_CLIENT_HELPER_SRC = \
     $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
     test/cpp/interop/client_helper.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_CLIENT_HELPER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_CLIENT_HELPER_SRC))))
 
@@ -3496,7 +3702,7 @@ $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PRO
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBINTEROP_CLIENT_HELPER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a
 endif
 
 
@@ -3521,6 +3727,7 @@ LIBINTEROP_CLIENT_MAIN_SRC = \
     test/cpp/interop/client.cc \
     test/cpp/interop/interop_client.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_CLIENT_MAIN_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_CLIENT_MAIN_SRC))))
 
@@ -3549,7 +3756,7 @@ $(LIBDIR)/$(CONFIG)/libinterop_client_main.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTO
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libinterop_client_main.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBINTEROP_CLIENT_MAIN_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libinterop_client_main.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libinterop_client_main.a
 endif
 
 
@@ -3571,6 +3778,7 @@ $(OBJDIR)/$(CONFIG)/test/cpp/interop/interop_client.o: $(GENDIR)/src/proto/grpc/
 LIBINTEROP_SERVER_HELPER_SRC = \
     test/cpp/interop/server_helper.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_SERVER_HELPER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_SERVER_HELPER_SRC))))
 
@@ -3599,7 +3807,7 @@ $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PRO
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBINTEROP_SERVER_HELPER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a
 endif
 
 
@@ -3620,8 +3828,9 @@ LIBINTEROP_SERVER_MAIN_SRC = \
     $(GENDIR)/src/proto/grpc/testing/empty.pb.cc $(GENDIR)/src/proto/grpc/testing/empty.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/test.pb.cc $(GENDIR)/src/proto/grpc/testing/test.grpc.pb.cc \
-    test/cpp/interop/server.cc \
+    test/cpp/interop/server_main.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_SERVER_MAIN_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_SERVER_MAIN_SRC))))
 
@@ -3650,7 +3859,7 @@ $(LIBDIR)/$(CONFIG)/libinterop_server_main.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTO
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libinterop_server_main.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBINTEROP_SERVER_MAIN_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libinterop_server_main.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libinterop_server_main.a
 endif
 
 
@@ -3665,7 +3874,7 @@ ifneq ($(NO_DEPS),true)
 -include $(LIBINTEROP_SERVER_MAIN_OBJS:.o=.dep)
 endif
 endif
-$(OBJDIR)/$(CONFIG)/test/cpp/interop/server.o: $(GENDIR)/src/proto/grpc/testing/empty.pb.cc $(GENDIR)/src/proto/grpc/testing/empty.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/test.pb.cc $(GENDIR)/src/proto/grpc/testing/test.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/interop/server_main.o: $(GENDIR)/src/proto/grpc/testing/empty.pb.cc $(GENDIR)/src/proto/grpc/testing/empty.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/test.pb.cc $(GENDIR)/src/proto/grpc/testing/test.grpc.pb.cc
 
 
 LIBQPS_SRC = \
@@ -3684,9 +3893,10 @@ LIBQPS_SRC = \
     test/cpp/qps/report.cc \
     test/cpp/qps/server_async.cc \
     test/cpp/qps/server_sync.cc \
-    test/cpp/qps/timer.cc \
+    test/cpp/qps/usage_timer.cc \
     test/cpp/util/benchmark_config.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBQPS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBQPS_SRC))))
 
@@ -3715,7 +3925,7 @@ $(LIBDIR)/$(CONFIG)/libqps.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTOBUF_DEP) $(LIBQP
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libqps.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBQPS_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libqps.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libqps.a
 endif
 
 
@@ -3739,13 +3949,14 @@ $(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_worker.o: $(GENDIR)/src/proto/grpc/testing/
 $(OBJDIR)/$(CONFIG)/test/cpp/qps/report.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
 $(OBJDIR)/$(CONFIG)/test/cpp/qps/server_async.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
 $(OBJDIR)/$(CONFIG)/test/cpp/qps/server_sync.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/timer.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/usage_timer.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
 $(OBJDIR)/$(CONFIG)/test/cpp/util/benchmark_config.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
 
 
 LIBGRPC_CSHARP_EXT_SRC = \
     src/csharp/ext/grpc_csharp_ext.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBGRPC_CSHARP_EXT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_CSHARP_EXT_SRC))))
 
@@ -3767,7 +3978,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBGRPC_C
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a $(LIBGRPC_CSHARP_EXT_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a
 endif
 
 
@@ -4095,6 +4306,7 @@ LIBBORINGSSL_SRC = \
     third_party/boringssl/ssl/t1_lib.c \
     third_party/boringssl/ssl/tls_record.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_SRC))))
 
@@ -4107,7 +4319,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl.a: $(ZLIB_DEP)  $(LIBBORINGSSL_OBJS)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl.a $(LIBBORINGSSL_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl.a
 endif
 
 
@@ -4123,6 +4335,7 @@ LIBBORINGSSL_TEST_UTIL_SRC = \
     third_party/boringssl/crypto/test/malloc.cc \
     third_party/boringssl/crypto/test/test_util.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_TEST_UTIL_SRC))))
 
@@ -4144,7 +4357,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIB
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBBORINGSSL_TEST_UTIL_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a
 endif
 
 
@@ -4160,6 +4373,7 @@ endif
 LIBBORINGSSL_AES_TEST_LIB_SRC = \
     third_party/boringssl/crypto/aes/aes_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_AES_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_AES_TEST_LIB_SRC))))
 
@@ -4181,7 +4395,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBBORINGSSL_AES_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a
 endif
 
 
@@ -4194,9 +4408,48 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+LIBBORINGSSL_ASN1_TEST_LIB_SRC = \
+    third_party/boringssl/crypto/asn1/asn1_test.cc \
+
+PUBLIC_HEADERS_CXX += \
+
+LIBBORINGSSL_ASN1_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ASN1_TEST_LIB_SRC))))
+
+$(LIBBORINGSSL_ASN1_TEST_LIB_OBJS): CPPFLAGS += -Ithird_party/boringssl/include -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN -D_HAS_EXCEPTIONS=0 -DNOMINMAX
+$(LIBBORINGSSL_ASN1_TEST_LIB_OBJS): CFLAGS += -Wno-sign-conversion -Wno-conversion -Wno-unused-value -Wno-unknown-pragmas -Wno-implicit-function-declaration -Wno-unused-variable -Wno-sign-compare
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
+
+$(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a: protobuf_dep_error
+
+
+else
+
+$(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS) 
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a
+	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS) 
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a
+endif
+
+
+
+
+endif
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS:.o=.dep)
+endif
+
+
 LIBBORINGSSL_BASE64_TEST_LIB_SRC = \
     third_party/boringssl/crypto/base64/base64_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BASE64_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BASE64_TEST_LIB_SRC))))
 
@@ -4218,7 +4471,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBBORINGSSL_BASE64_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a
 endif
 
 
@@ -4234,6 +4487,7 @@ endif
 LIBBORINGSSL_BIO_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bio/bio_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BIO_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BIO_TEST_LIB_SRC))))
 
@@ -4255,7 +4509,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBBORINGSSL_BIO_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a
 endif
 
 
@@ -4271,6 +4525,7 @@ endif
 LIBBORINGSSL_BN_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bn/bn_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BN_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BN_TEST_LIB_SRC))))
 
@@ -4292,7 +4547,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(L
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBBORINGSSL_BN_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a
 endif
 
 
@@ -4308,6 +4563,7 @@ endif
 LIBBORINGSSL_BYTESTRING_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bytestring/bytestring_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BYTESTRING_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BYTESTRING_TEST_LIB_SRC))))
 
@@ -4329,7 +4585,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBBORINGSSL_BYTESTRING_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a
 endif
 
 
@@ -4345,6 +4601,7 @@ endif
 LIBBORINGSSL_AEAD_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cipher/aead_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_AEAD_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_AEAD_TEST_LIB_SRC))))
 
@@ -4366,7 +4623,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBBORINGSSL_AEAD_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a
 endif
 
 
@@ -4382,6 +4639,7 @@ endif
 LIBBORINGSSL_CIPHER_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cipher/cipher_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_CIPHER_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CIPHER_TEST_LIB_SRC))))
 
@@ -4403,7 +4661,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBBORINGSSL_CIPHER_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a
 endif
 
 
@@ -4419,6 +4677,7 @@ endif
 LIBBORINGSSL_CMAC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cmac/cmac_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_CMAC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CMAC_TEST_LIB_SRC))))
 
@@ -4440,7 +4699,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBBORINGSSL_CMAC_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a
 endif
 
 
@@ -4456,6 +4715,7 @@ endif
 LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_SRC = \
     third_party/boringssl/crypto/constant_time_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_SRC))))
 
@@ -4468,7 +4728,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_constant_time_test_lib.a: $(ZLIB_DEP)  $(LIBBOR
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_constant_time_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_constant_time_test_lib.a $(LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_constant_time_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_constant_time_test_lib.a
 endif
 
 
@@ -4482,6 +4742,7 @@ endif
 LIBBORINGSSL_ED25519_TEST_LIB_SRC = \
     third_party/boringssl/crypto/curve25519/ed25519_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ED25519_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ED25519_TEST_LIB_SRC))))
 
@@ -4503,7 +4764,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBBORINGSSL_ED25519_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a
 endif
 
 
@@ -4519,6 +4780,7 @@ endif
 LIBBORINGSSL_X25519_TEST_LIB_SRC = \
     third_party/boringssl/crypto/curve25519/x25519_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_X25519_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_X25519_TEST_LIB_SRC))))
 
@@ -4540,7 +4802,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBBORINGSSL_X25519_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a
 endif
 
 
@@ -4556,6 +4818,7 @@ endif
 LIBBORINGSSL_DH_TEST_LIB_SRC = \
     third_party/boringssl/crypto/dh/dh_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_DH_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DH_TEST_LIB_SRC))))
 
@@ -4577,7 +4840,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(L
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBBORINGSSL_DH_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a
 endif
 
 
@@ -4593,6 +4856,7 @@ endif
 LIBBORINGSSL_DIGEST_TEST_LIB_SRC = \
     third_party/boringssl/crypto/digest/digest_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_DIGEST_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DIGEST_TEST_LIB_SRC))))
 
@@ -4614,7 +4878,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBBORINGSSL_DIGEST_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a
 endif
 
 
@@ -4630,6 +4894,7 @@ endif
 LIBBORINGSSL_DSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/dsa/dsa_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_DSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DSA_TEST_LIB_SRC))))
 
@@ -4642,7 +4907,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_dsa_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_DSA
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_dsa_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_dsa_test_lib.a $(LIBBORINGSSL_DSA_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_dsa_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_dsa_test_lib.a
 endif
 
 
@@ -4656,6 +4921,7 @@ endif
 LIBBORINGSSL_EC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/ec/ec_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EC_TEST_LIB_SRC))))
 
@@ -4677,7 +4943,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(L
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBBORINGSSL_EC_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a
 endif
 
 
@@ -4693,6 +4959,7 @@ endif
 LIBBORINGSSL_EXAMPLE_MUL_LIB_SRC = \
     third_party/boringssl/crypto/ec/example_mul.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_EXAMPLE_MUL_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EXAMPLE_MUL_LIB_SRC))))
 
@@ -4705,7 +4972,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_example_mul_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_example_mul_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_example_mul_lib.a $(LIBBORINGSSL_EXAMPLE_MUL_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_example_mul_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_example_mul_lib.a
 endif
 
 
@@ -4719,6 +4986,7 @@ endif
 LIBBORINGSSL_ECDSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/ecdsa/ecdsa_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ECDSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ECDSA_TEST_LIB_SRC))))
 
@@ -4740,7 +5008,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBBORINGSSL_ECDSA_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a
 endif
 
 
@@ -4756,6 +5024,7 @@ endif
 LIBBORINGSSL_ERR_TEST_LIB_SRC = \
     third_party/boringssl/crypto/err/err_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ERR_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ERR_TEST_LIB_SRC))))
 
@@ -4777,7 +5046,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBBORINGSSL_ERR_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a
 endif
 
 
@@ -4793,6 +5062,7 @@ endif
 LIBBORINGSSL_EVP_EXTRA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/evp_extra_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EVP_EXTRA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EVP_EXTRA_TEST_LIB_SRC))))
 
@@ -4814,7 +5084,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_D
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBBORINGSSL_EVP_EXTRA_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a
 endif
 
 
@@ -4830,6 +5100,7 @@ endif
 LIBBORINGSSL_EVP_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/evp_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EVP_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EVP_TEST_LIB_SRC))))
 
@@ -4851,7 +5122,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBBORINGSSL_EVP_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a
 endif
 
 
@@ -4867,6 +5138,7 @@ endif
 LIBBORINGSSL_PBKDF_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/pbkdf_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PBKDF_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PBKDF_TEST_LIB_SRC))))
 
@@ -4888,7 +5160,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBBORINGSSL_PBKDF_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a
 endif
 
 
@@ -4904,6 +5176,7 @@ endif
 LIBBORINGSSL_HKDF_TEST_LIB_SRC = \
     third_party/boringssl/crypto/hkdf/hkdf_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_HKDF_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_HKDF_TEST_LIB_SRC))))
 
@@ -4916,7 +5189,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_hkdf_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_HK
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_hkdf_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_hkdf_test_lib.a $(LIBBORINGSSL_HKDF_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_hkdf_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_hkdf_test_lib.a
 endif
 
 
@@ -4930,6 +5203,7 @@ endif
 LIBBORINGSSL_HMAC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/hmac/hmac_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_HMAC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_HMAC_TEST_LIB_SRC))))
 
@@ -4951,7 +5225,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBBORINGSSL_HMAC_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a
 endif
 
 
@@ -4967,6 +5241,7 @@ endif
 LIBBORINGSSL_LHASH_TEST_LIB_SRC = \
     third_party/boringssl/crypto/lhash/lhash_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_LHASH_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_LHASH_TEST_LIB_SRC))))
 
@@ -4979,7 +5254,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_lhash_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_L
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_lhash_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_lhash_test_lib.a $(LIBBORINGSSL_LHASH_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_lhash_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_lhash_test_lib.a
 endif
 
 
@@ -4993,6 +5268,7 @@ endif
 LIBBORINGSSL_GCM_TEST_LIB_SRC = \
     third_party/boringssl/crypto/modes/gcm_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_GCM_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_GCM_TEST_LIB_SRC))))
 
@@ -5005,7 +5281,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_gcm_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_GCM
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_gcm_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_gcm_test_lib.a $(LIBBORINGSSL_GCM_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_gcm_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_gcm_test_lib.a
 endif
 
 
@@ -5019,6 +5295,7 @@ endif
 LIBBORINGSSL_PKCS12_TEST_LIB_SRC = \
     third_party/boringssl/crypto/pkcs8/pkcs12_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PKCS12_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS12_TEST_LIB_SRC))))
 
@@ -5040,7 +5317,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBBORINGSSL_PKCS12_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a
 endif
 
 
@@ -5056,6 +5333,7 @@ endif
 LIBBORINGSSL_PKCS8_TEST_LIB_SRC = \
     third_party/boringssl/crypto/pkcs8/pkcs8_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PKCS8_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS8_TEST_LIB_SRC))))
 
@@ -5077,7 +5355,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBBORINGSSL_PKCS8_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a
 endif
 
 
@@ -5093,6 +5371,7 @@ endif
 LIBBORINGSSL_POLY1305_TEST_LIB_SRC = \
     third_party/boringssl/crypto/poly1305/poly1305_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_POLY1305_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_POLY1305_TEST_LIB_SRC))))
 
@@ -5114,7 +5393,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DE
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBBORINGSSL_POLY1305_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a
 endif
 
 
@@ -5130,6 +5409,7 @@ endif
 LIBBORINGSSL_REFCOUNT_TEST_LIB_SRC = \
     third_party/boringssl/crypto/refcount_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_REFCOUNT_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_REFCOUNT_TEST_LIB_SRC))))
 
@@ -5142,7 +5422,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_refcount_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSS
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_refcount_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_refcount_test_lib.a $(LIBBORINGSSL_REFCOUNT_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_refcount_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_refcount_test_lib.a
 endif
 
 
@@ -5156,6 +5436,7 @@ endif
 LIBBORINGSSL_RSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/rsa/rsa_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_RSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_RSA_TEST_LIB_SRC))))
 
@@ -5177,7 +5458,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBBORINGSSL_RSA_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a
 endif
 
 
@@ -5193,6 +5474,7 @@ endif
 LIBBORINGSSL_THREAD_TEST_LIB_SRC = \
     third_party/boringssl/crypto/thread_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_THREAD_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_THREAD_TEST_LIB_SRC))))
 
@@ -5205,7 +5487,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_thread_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_thread_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_thread_test_lib.a $(LIBBORINGSSL_THREAD_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_thread_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_thread_test_lib.a
 endif
 
 
@@ -5219,6 +5501,7 @@ endif
 LIBBORINGSSL_PKCS7_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509/pkcs7_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_PKCS7_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS7_TEST_LIB_SRC))))
 
@@ -5231,7 +5514,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_pkcs7_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_P
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_pkcs7_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_pkcs7_test_lib.a $(LIBBORINGSSL_PKCS7_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_pkcs7_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_pkcs7_test_lib.a
 endif
 
 
@@ -5245,6 +5528,7 @@ endif
 LIBBORINGSSL_TAB_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509v3/tab_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_TAB_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_TAB_TEST_LIB_SRC))))
 
@@ -5257,7 +5541,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_tab_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_TAB
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_tab_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_tab_test_lib.a $(LIBBORINGSSL_TAB_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_tab_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_tab_test_lib.a
 endif
 
 
@@ -5271,6 +5555,7 @@ endif
 LIBBORINGSSL_V3NAME_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509v3/v3name_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_V3NAME_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_V3NAME_TEST_LIB_SRC))))
 
@@ -5283,7 +5568,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_v3name_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_v3name_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_v3name_test_lib.a $(LIBBORINGSSL_V3NAME_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_v3name_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_v3name_test_lib.a
 endif
 
 
@@ -5297,6 +5582,7 @@ endif
 LIBBORINGSSL_PQUEUE_TEST_LIB_SRC = \
     third_party/boringssl/ssl/pqueue/pqueue_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_PQUEUE_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PQUEUE_TEST_LIB_SRC))))
 
@@ -5309,7 +5595,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_pqueue_test_lib.a: $(ZLIB_DEP)  $(LIBBORINGSSL_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_pqueue_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_pqueue_test_lib.a $(LIBBORINGSSL_PQUEUE_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_pqueue_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_pqueue_test_lib.a
 endif
 
 
@@ -5323,6 +5609,7 @@ endif
 LIBBORINGSSL_SSL_TEST_LIB_SRC = \
     third_party/boringssl/ssl/ssl_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_SSL_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_SSL_TEST_LIB_SRC))))
 
@@ -5344,7 +5631,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a $(LIBBORINGSSL_SSL_TEST_LIB_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
 endif
 
 
@@ -5374,6 +5661,7 @@ LIBZ_SRC = \
     third_party/zlib/uncompr.c \
     third_party/zlib/zutil.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBZ_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBZ_SRC))))
 
@@ -5385,7 +5673,7 @@ $(LIBDIR)/$(CONFIG)/libz.a:  $(LIBZ_OBJS)
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libz.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libz.a $(LIBZ_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libz.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libz.a
 endif
 
 
@@ -5399,6 +5687,7 @@ endif
 LIBBAD_CLIENT_TEST_SRC = \
     test/core/bad_client/bad_client.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBAD_CLIENT_TEST_SRC))))
 
@@ -5419,7 +5708,7 @@ $(LIBDIR)/$(CONFIG)/libbad_client_test.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBBAD_CL
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libbad_client_test.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBBAD_CLIENT_TEST_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libbad_client_test.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libbad_client_test.a
 endif
 
 
@@ -5435,8 +5724,9 @@ endif
 
 
 LIBBAD_SSL_TEST_SERVER_SRC = \
-    test/core/bad_ssl/server.c \
+    test/core/bad_ssl/server_common.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBAD_SSL_TEST_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBAD_SSL_TEST_SERVER_SRC))))
 
@@ -5457,7 +5747,7 @@ $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBBA
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a $(LIBBAD_SSL_TEST_SERVER_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libbad_ssl_test_server.a
 endif
 
 
@@ -5483,23 +5773,24 @@ LIBEND2END_TESTS_SRC = \
     test/core/end2end/tests/cancel_before_invoke.c \
     test/core/end2end/tests/cancel_in_a_vacuum.c \
     test/core/end2end/tests/cancel_with_status.c \
-    test/core/end2end/tests/channel_connectivity.c \
-    test/core/end2end/tests/channel_ping.c \
     test/core/end2end/tests/compressed_payload.c \
+    test/core/end2end/tests/connectivity.c \
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
+    test/core/end2end/tests/idempotent_request.c \
     test/core/end2end/tests/invoke_large_request.c \
     test/core/end2end/tests/large_metadata.c \
     test/core/end2end/tests/max_concurrent_streams.c \
     test/core/end2end/tests/max_message_length.c \
-    test/core/end2end/tests/metadata.c \
     test/core/end2end/tests/negative_deadline.c \
     test/core/end2end/tests/no_op.c \
     test/core/end2end/tests/payload.c \
+    test/core/end2end/tests/ping.c \
     test/core/end2end/tests/ping_pong_streaming.c \
     test/core/end2end/tests/registered_call.c \
     test/core/end2end/tests/request_with_flags.c \
@@ -5508,9 +5799,11 @@ LIBEND2END_TESTS_SRC = \
     test/core/end2end/tests/shutdown_finishes_calls.c \
     test/core/end2end/tests/shutdown_finishes_tags.c \
     test/core/end2end/tests/simple_delayed_request.c \
+    test/core/end2end/tests/simple_metadata.c \
     test/core/end2end/tests/simple_request.c \
     test/core/end2end/tests/trailing_metadata.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBEND2END_TESTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TESTS_SRC))))
 
@@ -5531,7 +5824,7 @@ $(LIBDIR)/$(CONFIG)/libend2end_tests.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBEND2END_
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_tests.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBEND2END_TESTS_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_tests.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libend2end_tests.a
 endif
 
 
@@ -5556,23 +5849,24 @@ LIBEND2END_NOSEC_TESTS_SRC = \
     test/core/end2end/tests/cancel_before_invoke.c \
     test/core/end2end/tests/cancel_in_a_vacuum.c \
     test/core/end2end/tests/cancel_with_status.c \
-    test/core/end2end/tests/channel_connectivity.c \
-    test/core/end2end/tests/channel_ping.c \
     test/core/end2end/tests/compressed_payload.c \
+    test/core/end2end/tests/connectivity.c \
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
+    test/core/end2end/tests/idempotent_request.c \
     test/core/end2end/tests/invoke_large_request.c \
     test/core/end2end/tests/large_metadata.c \
     test/core/end2end/tests/max_concurrent_streams.c \
     test/core/end2end/tests/max_message_length.c \
-    test/core/end2end/tests/metadata.c \
     test/core/end2end/tests/negative_deadline.c \
     test/core/end2end/tests/no_op.c \
     test/core/end2end/tests/payload.c \
+    test/core/end2end/tests/ping.c \
     test/core/end2end/tests/ping_pong_streaming.c \
     test/core/end2end/tests/registered_call.c \
     test/core/end2end/tests/request_with_flags.c \
@@ -5581,9 +5875,11 @@ LIBEND2END_NOSEC_TESTS_SRC = \
     test/core/end2end/tests/shutdown_finishes_calls.c \
     test/core/end2end/tests/shutdown_finishes_tags.c \
     test/core/end2end/tests/simple_delayed_request.c \
+    test/core/end2end/tests/simple_metadata.c \
     test/core/end2end/tests/simple_request.c \
     test/core/end2end/tests/trailing_metadata.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBEND2END_NOSEC_TESTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_NOSEC_TESTS_SRC))))
 
@@ -5594,7 +5890,7 @@ $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a: $(ZLIB_DEP)  $(LIBEND2END_NOSEC_TE
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a
 	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBEND2END_NOSEC_TESTS_OBJS) 
 ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a
 endif
 
 
@@ -5605,46 +5901,6 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-LIBEND2END_CERTS_SRC = \
-    test/core/end2end/data/test_root_cert.c \
-    test/core/end2end/data/server1_cert.c \
-    test/core/end2end/data/server1_key.c \
-
-
-LIBEND2END_CERTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_CERTS_SRC))))
-
-
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure libraries if you don't have OpenSSL.
-
-$(LIBDIR)/$(CONFIG)/libend2end_certs.a: openssl_dep_error
-
-
-else
-
-
-$(LIBDIR)/$(CONFIG)/libend2end_certs.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBEND2END_CERTS_OBJS) 
-	$(E) "[AR]      Creating $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_certs.a
-	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBEND2END_CERTS_OBJS) 
-ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_certs.a
-endif
-
-
-
-
-endif
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(LIBEND2END_CERTS_OBJS:.o=.dep)
-endif
-endif
-
-
 
 # All of the test targets, and protoc plugins
 
@@ -5841,38 +6097,6 @@ endif
 endif
 
 
-CENSUS_LOG_TEST_SRC = \
-    test/core/census/log_test.c \
-
-CENSUS_LOG_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CENSUS_LOG_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/census_log_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/census_log_test: $(CENSUS_LOG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(CENSUS_LOG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/census_log_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/census/log_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_census_log_test: $(CENSUS_LOG_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(CENSUS_LOG_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 CHANNEL_CREATE_TEST_SRC = \
     test/core/surface/channel_create_test.c \
 
@@ -6033,6 +6257,38 @@ endif
 endif
 
 
+CLIENT_FUZZER_SRC = \
+    test/core/end2end/fuzzers/client_fuzzer.c \
+
+CLIENT_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CLIENT_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/client_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/client_fuzzer: $(CLIENT_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CLIENT_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/client_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/client_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_client_fuzzer: $(CLIENT_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CLIENT_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 COMPRESSION_TEST_SRC = \
     test/core/compression/compression_test.c \
 
@@ -6065,6 +6321,70 @@ endif
 endif
 
 
+CONCURRENT_CONNECTIVITY_TEST_SRC = \
+    test/core/surface/concurrent_connectivity_test.c \
+
+CONCURRENT_CONNECTIVITY_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CONCURRENT_CONNECTIVITY_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/concurrent_connectivity_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/concurrent_connectivity_test: $(CONCURRENT_CONNECTIVITY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CONCURRENT_CONNECTIVITY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/concurrent_connectivity_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/surface/concurrent_connectivity_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_concurrent_connectivity_test: $(CONCURRENT_CONNECTIVITY_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CONCURRENT_CONNECTIVITY_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+DNS_RESOLVER_CONNECTIVITY_TEST_SRC = \
+    test/core/client_config/resolvers/dns_resolver_connectivity_test.c \
+
+DNS_RESOLVER_CONNECTIVITY_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(DNS_RESOLVER_CONNECTIVITY_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test: $(DNS_RESOLVER_CONNECTIVITY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(DNS_RESOLVER_CONNECTIVITY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/client_config/resolvers/dns_resolver_connectivity_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_dns_resolver_connectivity_test: $(DNS_RESOLVER_CONNECTIVITY_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(DNS_RESOLVER_CONNECTIVITY_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 DNS_RESOLVER_TEST_SRC = \
     test/core/client_config/resolvers/dns_resolver_test.c \
 
@@ -6417,6 +6737,38 @@ endif
 endif
 
 
+GOAWAY_SERVER_TEST_SRC = \
+    test/core/end2end/goaway_server_test.c \
+
+GOAWAY_SERVER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GOAWAY_SERVER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/goaway_server_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/goaway_server_test: $(GOAWAY_SERVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(GOAWAY_SERVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/goaway_server_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/goaway_server_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_goaway_server_test: $(GOAWAY_SERVER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GOAWAY_SERVER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 GPR_AVL_TEST_SRC = \
     test/core/support/avl_test.c \
 
@@ -6449,6 +6801,38 @@ endif
 endif
 
 
+GPR_BACKOFF_TEST_SRC = \
+    test/core/support/backoff_test.c \
+
+GPR_BACKOFF_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_BACKOFF_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/gpr_backoff_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/gpr_backoff_test: $(GPR_BACKOFF_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(GPR_BACKOFF_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_backoff_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/support/backoff_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_gpr_backoff_test: $(GPR_BACKOFF_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GPR_BACKOFF_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 GPR_CMDLINE_TEST_SRC = \
     test/core/support/cmdline_test.c \
 
@@ -6545,98 +6929,98 @@ endif
 endif
 
 
-GPR_FILE_TEST_SRC = \
-    test/core/support/file_test.c \
+GPR_HISTOGRAM_TEST_SRC = \
+    test/core/support/histogram_test.c \
 
-GPR_FILE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_FILE_TEST_SRC))))
+GPR_HISTOGRAM_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_HISTOGRAM_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/gpr_file_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/gpr_histogram_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/gpr_file_test: $(GPR_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/gpr_histogram_test: $(GPR_HISTOGRAM_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(GPR_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_file_test
+	$(Q) $(LD) $(LDFLAGS) $(GPR_HISTOGRAM_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_histogram_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/support/file_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/support/histogram_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_gpr_file_test: $(GPR_FILE_TEST_OBJS:.o=.dep)
+deps_gpr_histogram_test: $(GPR_HISTOGRAM_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(GPR_FILE_TEST_OBJS:.o=.dep)
+-include $(GPR_HISTOGRAM_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-GPR_HISTOGRAM_TEST_SRC = \
-    test/core/support/histogram_test.c \
+GPR_HOST_PORT_TEST_SRC = \
+    test/core/support/host_port_test.c \
 
-GPR_HISTOGRAM_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_HISTOGRAM_TEST_SRC))))
+GPR_HOST_PORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_HOST_PORT_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/gpr_histogram_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/gpr_host_port_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/gpr_histogram_test: $(GPR_HISTOGRAM_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/gpr_host_port_test: $(GPR_HOST_PORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(GPR_HISTOGRAM_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_histogram_test
+	$(Q) $(LD) $(LDFLAGS) $(GPR_HOST_PORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_host_port_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/support/histogram_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/support/host_port_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_gpr_histogram_test: $(GPR_HISTOGRAM_TEST_OBJS:.o=.dep)
+deps_gpr_host_port_test: $(GPR_HOST_PORT_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(GPR_HISTOGRAM_TEST_OBJS:.o=.dep)
+-include $(GPR_HOST_PORT_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-GPR_HOST_PORT_TEST_SRC = \
-    test/core/support/host_port_test.c \
+GPR_LOAD_FILE_TEST_SRC = \
+    test/core/support/load_file_test.c \
 
-GPR_HOST_PORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_HOST_PORT_TEST_SRC))))
+GPR_LOAD_FILE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GPR_LOAD_FILE_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/gpr_host_port_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/gpr_load_file_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/gpr_host_port_test: $(GPR_HOST_PORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/gpr_load_file_test: $(GPR_LOAD_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(GPR_HOST_PORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_host_port_test
+	$(Q) $(LD) $(LDFLAGS) $(GPR_LOAD_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/gpr_load_file_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/support/host_port_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/support/load_file_test.o:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_gpr_host_port_test: $(GPR_HOST_PORT_TEST_OBJS:.o=.dep)
+deps_gpr_load_file_test: $(GPR_LOAD_FILE_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(GPR_HOST_PORT_TEST_OBJS:.o=.dep)
+-include $(GPR_LOAD_FILE_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -6993,34 +7377,34 @@ endif
 endif
 
 
-GRPC_BASE64_TEST_SRC = \
-    test/core/security/base64_test.c \
+GRPC_B64_TEST_SRC = \
+    test/core/security/b64_test.c \
 
-GRPC_BASE64_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_BASE64_TEST_SRC))))
+GRPC_B64_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_B64_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/grpc_base64_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/grpc_b64_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/grpc_base64_test: $(GRPC_BASE64_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/grpc_b64_test: $(GRPC_B64_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(GRPC_BASE64_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/grpc_base64_test
+	$(Q) $(LD) $(LDFLAGS) $(GRPC_B64_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/grpc_b64_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/security/base64_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/security/b64_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_grpc_base64_test: $(GRPC_BASE64_TEST_OBJS:.o=.dep)
+deps_grpc_b64_test: $(GRPC_B64_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(GRPC_BASE64_TEST_OBJS:.o=.dep)
+-include $(GRPC_B64_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -7441,6 +7825,38 @@ endif
 endif
 
 
+HPACK_PARSER_FUZZER_TEST_SRC = \
+    test/core/transport/chttp2/hpack_parser_fuzzer_test.c \
+
+HPACK_PARSER_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HPACK_PARSER_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test: $(HPACK_PARSER_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(HPACK_PARSER_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/hpack_parser_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_hpack_parser_fuzzer_test: $(HPACK_PARSER_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HPACK_PARSER_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 HPACK_PARSER_TEST_SRC = \
     test/core/transport/chttp2/hpack_parser_test.c \
 
@@ -7505,72 +7921,104 @@ endif
 endif
 
 
-HTTPCLI_FORMAT_REQUEST_TEST_SRC = \
-    test/core/httpcli/format_request_test.c \
+HTTP_FUZZER_TEST_SRC = \
+    test/core/http/fuzzer.c \
 
-HTTPCLI_FORMAT_REQUEST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_FORMAT_REQUEST_TEST_SRC))))
+HTTP_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_FUZZER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/httpcli_format_request_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/http_fuzzer_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/http_fuzzer_test: $(HTTP_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_format_request_test
+	$(Q) $(LDXX) $(LDFLAGS) $(HTTP_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/http_fuzzer_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/format_request_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
+deps_http_fuzzer_test: $(HTTP_FUZZER_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
+-include $(HTTP_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+HTTP_PARSER_TEST_SRC = \
+    test/core/http/parser_test.c \
+
+HTTP_PARSER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_PARSER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/http_parser_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/http_parser_test: $(HTTP_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HTTP_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/http_parser_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/http/parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_http_parser_test: $(HTTP_PARSER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HTTP_PARSER_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-HTTPCLI_PARSER_TEST_SRC = \
-    test/core/httpcli/parser_test.c \
+HTTPCLI_FORMAT_REQUEST_TEST_SRC = \
+    test/core/http/format_request_test.c \
 
-HTTPCLI_PARSER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_PARSER_TEST_SRC))))
+HTTPCLI_FORMAT_REQUEST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_FORMAT_REQUEST_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/httpcli_parser_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/httpcli_format_request_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/httpcli_parser_test: $(HTTPCLI_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_parser_test
+	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_format_request_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/format_request_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_httpcli_parser_test: $(HTTPCLI_PARSER_TEST_OBJS:.o=.dep)
+deps_httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(HTTPCLI_PARSER_TEST_OBJS:.o=.dep)
+-include $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
 HTTPCLI_TEST_SRC = \
-    test/core/httpcli/httpcli_test.c \
+    test/core/http/httpcli_test.c \
 
 HTTPCLI_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7590,7 +8038,7 @@ $(BINDIR)/$(CONFIG)/httpcli_test: $(HTTPCLI_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgr
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/httpcli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/httpcli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_httpcli_test: $(HTTPCLI_TEST_OBJS:.o=.dep)
 
@@ -7602,7 +8050,7 @@ endif
 
 
 HTTPSCLI_TEST_SRC = \
-    test/core/httpcli/httpscli_test.c \
+    test/core/http/httpscli_test.c \
 
 HTTPSCLI_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPSCLI_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7622,7 +8070,7 @@ $(BINDIR)/$(CONFIG)/httpscli_test: $(HTTPSCLI_TEST_OBJS) $(LIBDIR)/$(CONFIG)/lib
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/httpscli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/httpscli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_httpscli_test: $(HTTPSCLI_TEST_OBJS:.o=.dep)
 
@@ -7665,6 +8113,102 @@ endif
 endif
 
 
+INTERNAL_API_CANARY_IOMGR_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
+
+INTERNAL_API_CANARY_IOMGR_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_IOMGR_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test: $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_internal_api_canary_iomgr_test: $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+INTERNAL_API_CANARY_SUPPORT_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
+
+INTERNAL_API_CANARY_SUPPORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_SUPPORT_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_support_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_support_test: $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_support_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_internal_api_canary_support_test: $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+INTERNAL_API_CANARY_TRANSPORT_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
+
+INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_TRANSPORT_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_transport_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/internal_api_canary_transport_test: $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_internal_api_canary_transport_test: $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 INVALID_CALL_ARGUMENT_TEST_SRC = \
     test/core/end2end/invalid_call_argument_test.c \
 
@@ -7697,6 +8241,38 @@ endif
 endif
 
 
+JSON_FUZZER_TEST_SRC = \
+    test/core/json/fuzzer.c \
+
+JSON_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test: $(JSON_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(JSON_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/json_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/json/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_json_fuzzer_test: $(JSON_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 JSON_REWRITE_SRC = \
     test/core/json/json_rewrite.c \
 
@@ -7953,6 +8529,38 @@ endif
 endif
 
 
+MLOG_TEST_SRC = \
+    test/core/census/mlog_test.c \
+
+MLOG_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(MLOG_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/mlog_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/mlog_test: $(MLOG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(MLOG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/mlog_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/census/mlog_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_mlog_test: $(MLOG_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(MLOG_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 MULTIPLE_SERVER_QUEUES_TEST_SRC = \
     test/core/end2end/multiple_server_queues_test.c \
 
@@ -8017,6 +8625,70 @@ endif
 endif
 
 
+NANOPB_FUZZER_RESPONSE_TEST_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 NO_SERVER_TEST_SRC = \
     test/core/end2end/no_server_test.c \
 
@@ -8177,6 +8849,38 @@ endif
 endif
 
 
+SERVER_FUZZER_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+
+SERVER_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/server_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_server_fuzzer: $(SERVER_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 SERVER_TEST_SRC = \
     test/core/surface/server_test.c \
 
@@ -8721,6 +9425,38 @@ endif
 endif
 
 
+URI_FUZZER_TEST_SRC = \
+    test/core/client_config/uri_fuzzer_test.c \
+
+URI_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test: $(URI_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(URI_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/uri_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_uri_fuzzer_test: $(URI_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(URI_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 URI_PARSER_TEST_SRC = \
     test/core/client_config/uri_parser_test.c \
 
@@ -9172,6 +9908,138 @@ endif
 endif
 
 
+CODEGEN_TEST_FULL_SRC = \
+    $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
+    test/cpp/codegen/codegen_test_full.cc \
+    src/cpp/codegen/codegen_init.cc \
+
+CODEGEN_TEST_FULL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_FULL_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/codegen_test_full: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/codegen_test_full: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/codegen_test_full: $(PROTOBUF_DEP) $(CODEGEN_TEST_FULL_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_FULL_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test_full
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_full.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_codegen_test_full: $(CODEGEN_TEST_FULL_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CODEGEN_TEST_FULL_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_full.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+
+
+CODEGEN_TEST_MINIMAL_SRC = \
+    $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
+    test/cpp/codegen/codegen_test_minimal.cc \
+    src/cpp/codegen/codegen_init.cc \
+
+CODEGEN_TEST_MINIMAL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_MINIMAL_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: $(PROTOBUF_DEP) $(CODEGEN_TEST_MINIMAL_OBJS)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_MINIMAL_OBJS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test_minimal
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o: 
+
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_minimal.o: 
+
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: 
+
+deps_codegen_test_minimal: $(CODEGEN_TEST_MINIMAL_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CODEGEN_TEST_MINIMAL_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_minimal.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+
+
 CREDENTIALS_TEST_SRC = \
     test/cpp/client/credentials_test.cc \
 
@@ -9745,6 +10613,53 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+GRPCLB_API_TEST_SRC = \
+    $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc \
+    test/cpp/grpclb/grpclb_api_test.cc \
+
+GRPCLB_API_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPCLB_API_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: $(PROTOBUF_DEP) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/grpclb_api_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/lb/v0/load_balancer.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
+
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
+
+deps_grpclb_api_test: $(GRPCLB_API_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GRPCLB_API_TEST_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc
+
+
 HYBRID_END2END_TEST_SRC = \
     test/cpp/end2end/hybrid_end2end_test.cc \
 
@@ -9893,6 +10808,49 @@ endif
 endif
 
 
+JSON_RUN_LOCALHOST_SRC = \
+    test/cpp/qps/json_run_localhost.cc \
+
+JSON_RUN_LOCALHOST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_RUN_LOCALHOST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: $(PROTOBUF_DEP) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/json_run_localhost
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/json_run_localhost.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_json_run_localhost: $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+endif
+endif
+
+
 METRICS_CLIENT_SRC = \
     $(GENDIR)/src/proto/grpc/testing/metrics.pb.cc $(GENDIR)/src/proto/grpc/testing/metrics.grpc.pb.cc \
     test/cpp/interop/metrics_client.cc \
@@ -10069,6 +11027,49 @@ endif
 endif
 
 
+QPS_JSON_DRIVER_SRC = \
+    test/cpp/qps/qps_json_driver.cc \
+
+QPS_JSON_DRIVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_JSON_DRIVER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: $(PROTOBUF_DEP) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_json_driver
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_json_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_qps_json_driver: $(QPS_JSON_DRIVER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(QPS_JSON_DRIVER_OBJS:.o=.dep)
+endif
+endif
+
+
 QPS_OPENLOOP_TEST_SRC = \
     test/cpp/qps/qps_openloop_test.cc \
 
@@ -10916,6 +11917,33 @@ endif
 # boringssl needs an override to ensure that it does not include
 # system openssl headers regardless of other configuration
 # we do so here with a target specific variable assignment
+$(BORINGSSL_ASN1_TEST_OBJS): CFLAGS := -Ithird_party/boringssl/include $(CFLAGS) -Wno-sign-conversion -Wno-conversion -Wno-unused-value
+$(BORINGSSL_ASN1_TEST_OBJS): CXXFLAGS := -Ithird_party/boringssl/include $(CXXFLAGS)
+$(BORINGSSL_ASN1_TEST_OBJS): CPPFLAGS += -DOPENSSL_NO_ASM -D_GNU_SOURCE
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/boringssl_asn1_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/boringssl_asn1_test:  $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/boringssl_asn1_test
+
+endif
+
+
+
+
+
+# boringssl needs an override to ensure that it does not include
+# system openssl headers regardless of other configuration
+# we do so here with a target specific variable assignment
 $(BORINGSSL_BASE64_TEST_OBJS): CFLAGS := -Ithird_party/boringssl/include $(CFLAGS) -Wno-sign-conversion -Wno-conversion -Wno-unused-value
 $(BORINGSSL_BASE64_TEST_OBJS): CXXFLAGS := -Ithird_party/boringssl/include $(CXXFLAGS)
 $(BORINGSSL_BASE64_TEST_OBJS): CPPFLAGS += -DOPENSSL_NO_ASM -D_GNU_SOURCE
@@ -11897,6 +12925,26 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC = \
+    test/core/bad_client/tests/head_of_line_blocking.c \
+
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
+
+$(OBJDIR)/$(CONFIG)/test/core/bad_client/tests/head_of_line_blocking.o:  $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+endif
+
+
 HEADERS_BAD_CLIENT_TEST_SRC = \
     test/core/bad_client/tests/headers.c \
 
@@ -12159,14 +13207,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_census_test: $(H2_CENSUS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_census_test: $(H2_CENSUS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_CENSUS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_census_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_CENSUS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_census_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_census.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_census.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_census_test: $(H2_CENSUS_TEST_OBJS:.o=.dep)
 
@@ -12191,14 +13239,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_compress_test: $(H2_COMPRESS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_compress_test: $(H2_COMPRESS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_COMPRESS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_compress_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_COMPRESS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_compress_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_compress.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_compress.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_compress_test: $(H2_COMPRESS_TEST_OBJS:.o=.dep)
 
@@ -12223,14 +13271,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_fakesec_test: $(H2_FAKESEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_fakesec_test: $(H2_FAKESEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FAKESEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_fakesec_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FAKESEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_fakesec_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fakesec.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fakesec.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_fakesec_test: $(H2_FAKESEC_TEST_OBJS:.o=.dep)
 
@@ -12255,14 +13303,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_full_test: $(H2_FULL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full_test: $(H2_FULL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_full_test: $(H2_FULL_TEST_OBJS:.o=.dep)
 
@@ -12287,14 +13335,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_full+pipe_test: $(H2_FULL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full+pipe_test: $(H2_FULL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+pipe_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+pipe_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_full+pipe_test: $(H2_FULL+PIPE_TEST_OBJS:.o=.dep)
 
@@ -12305,66 +13353,34 @@ endif
 endif
 
 
-H2_FULL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
-
-H2_FULL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
-H2_FULL+POLL+PIPE_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
+H2_FULL+TRACE_TEST_SRC = \
+    test/core/end2end/fixtures/h2_full+trace.c \
 
-H2_FULL+POLL+PIPE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_TEST_SRC))))
+H2_FULL+TRACE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+TRACE_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/h2_full+trace_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full+trace_test: $(H2_FULL+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+trace_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
+deps_h2_full+trace_test: $(H2_FULL+TRACE_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
+-include $(H2_FULL+TRACE_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -12383,14 +13399,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_oauth2_test: $(H2_OAUTH2_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_oauth2_test: $(H2_OAUTH2_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_OAUTH2_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_oauth2_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_OAUTH2_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_oauth2_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_oauth2.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_oauth2.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_oauth2_test: $(H2_OAUTH2_TEST_OBJS:.o=.dep)
 
@@ -12415,14 +13431,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_proxy_test: $(H2_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_proxy_test: $(H2_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_proxy_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_proxy_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_proxy.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_proxy.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_proxy_test: $(H2_PROXY_TEST_OBJS:.o=.dep)
 
@@ -12447,14 +13463,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_sockpair_test: $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_sockpair_test: $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_sockpair_test: $(H2_SOCKPAIR_TEST_OBJS:.o=.dep)
 
@@ -12479,14 +13495,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_sockpair+trace_test: $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_test: $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_sockpair+trace_test: $(H2_SOCKPAIR+TRACE_TEST_OBJS:.o=.dep)
 
@@ -12511,14 +13527,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test: $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test: $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair_1byte.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair_1byte.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_sockpair_1byte_test: $(H2_SOCKPAIR_1BYTE_TEST_OBJS:.o=.dep)
 
@@ -12543,14 +13559,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_ssl_test: $(H2_SSL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_ssl_test: $(H2_SSL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SSL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SSL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_ssl_test: $(H2_SSL_TEST_OBJS:.o=.dep)
 
@@ -12561,38 +13577,6 @@ endif
 endif
 
 
-H2_SSL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_ssl+poll.c \
-
-H2_SSL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SSL+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_SSL_PROXY_TEST_SRC = \
     test/core/end2end/fixtures/h2_ssl_proxy.c \
 
@@ -12607,14 +13591,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_ssl_proxy_test: $(H2_SSL_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_ssl_proxy_test: $(H2_SSL_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SSL_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SSL_PROXY_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl_proxy.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl_proxy.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_ssl_proxy_test: $(H2_SSL_PROXY_TEST_OBJS:.o=.dep)
 
@@ -12625,38 +13609,6 @@ endif
 endif
 
 
-H2_UCHANNEL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uchannel.c \
-
-H2_UCHANNEL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UCHANNEL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_uchannel_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_uchannel_test: $(H2_UCHANNEL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UCHANNEL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uchannel_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uchannel.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uchannel_test: $(H2_UCHANNEL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_UCHANNEL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_UDS_TEST_SRC = \
     test/core/end2end/fixtures/h2_uds.c \
 
@@ -12671,14 +13623,14 @@ else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_uds_test: $(H2_UDS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_uds_test: $(H2_UDS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_h2_uds_test: $(H2_UDS_TEST_OBJS:.o=.dep)
 
@@ -12689,38 +13641,6 @@ endif
 endif
 
 
-H2_UDS+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
-
-H2_UDS+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_CENSUS_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_census.c \
 
@@ -12801,43 +13721,23 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_FULL+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
+H2_FULL+TRACE_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_full+trace.c \
 
-H2_FULL+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_NOSEC_TEST_SRC))))
+H2_FULL+TRACE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+TRACE_NOSEC_TEST_SRC))))
 
 
-$(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test: $(H2_FULL+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
+deps_h2_full+trace_nosec_test: $(H2_FULL+TRACE_NOSEC_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
-endif
-
-
-H2_FULL+POLL+PIPE_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
-
-H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_NOSEC_TEST_SRC))))
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
+-include $(H2_FULL+TRACE_NOSEC_TEST_OBJS:.o=.dep)
 endif
 
 
@@ -12921,63 +13821,279 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_UCHANNEL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uchannel.c \
+H2_UDS_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_uds.c \
 
-H2_UCHANNEL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UCHANNEL_NOSEC_TEST_SRC))))
+H2_UDS_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS_NOSEC_TEST_SRC))))
 
 
-$(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test: $(H2_UCHANNEL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UCHANNEL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uchannel.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_uchannel_nosec_test: $(H2_UCHANNEL_NOSEC_TEST_OBJS:.o=.dep)
+deps_h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_DEPS),true)
--include $(H2_UCHANNEL_NOSEC_TEST_OBJS:.o=.dep)
+-include $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
 endif
 
 
-H2_UDS_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds.c \
+CLIENT_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/client_fuzzer.c \
 
-H2_UDS_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS_NOSEC_TEST_SRC))))
+CLIENT_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CLIENT_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/client_fuzzer_one_entry: openssl_dep_error
 
-$(BINDIR)/$(CONFIG)/h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+else
+
+
+
+$(BINDIR)/$(CONFIG)/client_fuzzer_one_entry: $(CLIENT_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(CLIENT_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+endif
 
-deps_h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/client_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_client_fuzzer_one_entry: $(CLIENT_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
 
+ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
+-include $(CLIENT_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/transport/chttp2/hpack_parser_fuzzer_test.c \
+
+HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry: $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/hpack_parser_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_hpack_parser_fuzzer_test_one_entry: $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+HTTP_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/http/fuzzer.c \
+
+HTTP_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry: $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/http/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_http_fuzzer_test_one_entry: $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
 endif
 
 
-H2_UDS+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
+JSON_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/json/fuzzer.c \
 
-H2_UDS+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_NOSEC_TEST_SRC))))
+JSON_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry: openssl_dep_error
+
+else
 
 
-$(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry: $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry
+
+endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/json/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
+deps_json_fuzzer_test_one_entry: $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
 
+ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
+-include $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+SERVER_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+
+SERVER_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+URI_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/client_config/uri_fuzzer_test.c \
+
+URI_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry: $(URI_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(URI_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_uri_fuzzer_test_one_entry: $(URI_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(URI_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
 endif
 
 
@@ -12989,27 +14105,28 @@ ifneq ($(OPENSSL_DEP),)
 # This is to ensure the embedded OpenSSL is built beforehand, properly
 # installing headers to their final destination on the drive. We need this
 # otherwise parallel compilation will fail if a source is compiled first.
-src/core/httpcli/httpcli_security_connector.c: $(OPENSSL_DEP)
-src/core/security/base64.c: $(OPENSSL_DEP)
-src/core/security/client_auth_filter.c: $(OPENSSL_DEP)
-src/core/security/credentials.c: $(OPENSSL_DEP)
-src/core/security/credentials_metadata.c: $(OPENSSL_DEP)
-src/core/security/credentials_posix.c: $(OPENSSL_DEP)
-src/core/security/credentials_win32.c: $(OPENSSL_DEP)
-src/core/security/google_default_credentials.c: $(OPENSSL_DEP)
-src/core/security/handshake.c: $(OPENSSL_DEP)
-src/core/security/json_token.c: $(OPENSSL_DEP)
-src/core/security/jwt_verifier.c: $(OPENSSL_DEP)
-src/core/security/secure_endpoint.c: $(OPENSSL_DEP)
-src/core/security/security_connector.c: $(OPENSSL_DEP)
-src/core/security/security_context.c: $(OPENSSL_DEP)
-src/core/security/server_auth_filter.c: $(OPENSSL_DEP)
-src/core/security/server_secure_chttp2.c: $(OPENSSL_DEP)
-src/core/surface/init_secure.c: $(OPENSSL_DEP)
-src/core/surface/secure_channel_create.c: $(OPENSSL_DEP)
-src/core/tsi/fake_transport_security.c: $(OPENSSL_DEP)
-src/core/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
-src/core/tsi/transport_security.c: $(OPENSSL_DEP)
+src/core/ext/transport/chttp2/client/secure/secure_channel_create.c: $(OPENSSL_DEP)
+src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c: $(OPENSSL_DEP)
+src/core/lib/http/httpcli_security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/b64.c: $(OPENSSL_DEP)
+src/core/lib/security/client_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_metadata.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_posix.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_win32.c: $(OPENSSL_DEP)
+src/core/lib/security/google_default_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/handshake.c: $(OPENSSL_DEP)
+src/core/lib/security/json_token.c: $(OPENSSL_DEP)
+src/core/lib/security/jwt_verifier.c: $(OPENSSL_DEP)
+src/core/lib/security/secure_endpoint.c: $(OPENSSL_DEP)
+src/core/lib/security/security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/security_context.c: $(OPENSSL_DEP)
+src/core/lib/security/server_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/surface/init_secure.c: $(OPENSSL_DEP)
+src/core/lib/tsi/fake_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/transport_security.c: $(OPENSSL_DEP)
+src/core/plugin_registry/grpc_plugin_registry.c: $(OPENSSL_DEP)
 src/cpp/client/secure_credentials.cc: $(OPENSSL_DEP)
 src/cpp/common/auth_property_iterator.cc: $(OPENSSL_DEP)
 src/cpp/common/secure_auth_context.cc: $(OPENSSL_DEP)
@@ -13018,7 +14135,7 @@ src/cpp/common/secure_create_auth_context.cc: $(OPENSSL_DEP)
 src/cpp/server/secure_server_credentials.cc: $(OPENSSL_DEP)
 src/csharp/ext/grpc_csharp_ext.c: $(OPENSSL_DEP)
 test/core/bad_client/bad_client.c: $(OPENSSL_DEP)
-test/core/bad_ssl/server.c: $(OPENSSL_DEP)
+test/core/bad_ssl/server_common.c: $(OPENSSL_DEP)
 test/core/end2end/data/server1_cert.c: $(OPENSSL_DEP)
 test/core/end2end/data/server1_key.c: $(OPENSSL_DEP)
 test/core/end2end/data/test_root_cert.c: $(OPENSSL_DEP)
@@ -13031,8 +14148,8 @@ test/cpp/end2end/test_service_impl.cc: $(OPENSSL_DEP)
 test/cpp/interop/client.cc: $(OPENSSL_DEP)
 test/cpp/interop/client_helper.cc: $(OPENSSL_DEP)
 test/cpp/interop/interop_client.cc: $(OPENSSL_DEP)
-test/cpp/interop/server.cc: $(OPENSSL_DEP)
 test/cpp/interop/server_helper.cc: $(OPENSSL_DEP)
+test/cpp/interop/server_main.cc: $(OPENSSL_DEP)
 test/cpp/qps/client_async.cc: $(OPENSSL_DEP)
 test/cpp/qps/client_sync.cc: $(OPENSSL_DEP)
 test/cpp/qps/driver.cc: $(OPENSSL_DEP)
@@ -13042,7 +14159,7 @@ test/cpp/qps/qps_worker.cc: $(OPENSSL_DEP)
 test/cpp/qps/report.cc: $(OPENSSL_DEP)
 test/cpp/qps/server_async.cc: $(OPENSSL_DEP)
 test/cpp/qps/server_sync.cc: $(OPENSSL_DEP)
-test/cpp/qps/timer.cc: $(OPENSSL_DEP)
+test/cpp/qps/usage_timer.cc: $(OPENSSL_DEP)
 test/cpp/util/benchmark_config.cc: $(OPENSSL_DEP)
 test/cpp/util/byte_buffer_proto_helper.cc: $(OPENSSL_DEP)
 test/cpp/util/cli_call.cc: $(OPENSSL_DEP)
@@ -13050,6 +14167,11 @@ test/cpp/util/create_test_channel.cc: $(OPENSSL_DEP)
 test/cpp/util/string_ref_helper.cc: $(OPENSSL_DEP)
 test/cpp/util/subprocess.cc: $(OPENSSL_DEP)
 test/cpp/util/test_config.cc: $(OPENSSL_DEP)
+test/cpp/util/test_credentials_provider.cc: $(OPENSSL_DEP)
 endif
 
 .PHONY: all strip tools dep_error openssl_dep_error openssl_dep_message git_update stop buildtests buildtests_c buildtests_cxx test test_c test_cxx install install_c install_cxx install-headers install-headers_c install-headers_cxx install-shared install-shared_c install-shared_cxx install-static install-static_c install-static_cxx strip strip-shared strip-static strip_c strip-shared_c strip-static_c strip_cxx strip-shared_cxx strip-static_cxx dep_c dep_cxx bins_dep_c bins_dep_cxx clean
+
+.PHONY: printvars
+printvars:
+	@$(foreach V,$(sort $(.VARIABLES)),                 	  $(if $(filter-out environment% default automatic, 	  $(origin $V)),$(warning $V=$($V) ($(value $V)))))
diff --git a/PYTHON-MANIFEST.in b/PYTHON-MANIFEST.in
index 072089ac51..534f4c1251 100644
--- a/PYTHON-MANIFEST.in
+++ b/PYTHON-MANIFEST.in
@@ -1,8 +1,11 @@
-graft src/python/grpcio/grpc
+recursive-include src/python/grpcio/grpc *.c *.h *.py *.pyx *.pxd *.pxi *.python *.pem
+recursive-exclude src/python/grpcio/grpc/_cython *.so *.pyd
 graft src/python/grpcio/tests
 graft src/core
+graft src/boringssl
 graft include/grpc
 graft third_party/boringssl
+graft third_party/nanopb
 graft third_party/zlib
 include src/python/grpcio/commands.py
 include src/python/grpcio/grpc_version.py
diff --git a/README.md b/README.md
index 033e09b91b..3ee2b9f5ca 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 [![Join the chat at https://gitter.im/grpc/grpc](https://badges.gitter.im/grpc/grpc.svg)](https://gitter.im/grpc/grpc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Copyright 2015-2016 Google Inc.
+Copyright 2015 Google Inc.
 
 #Documentation
 
@@ -13,7 +13,7 @@ You can find more detailed documentation and examples in the [doc](doc) and [exa
 
 #Installation
 
-See [grpc/INSTALL](INSTALL) for installation instructions for various platforms.
+See [INSTALL](INSTALL.md) for installation instructions for various platforms.
 
 #Repository Structure & Status
 
diff --git a/binding.gyp b/binding.gyp
index 950e0dfe22..53d86534de 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -5,7 +5,7 @@
 # This file can be regenerated from the template by running
 # tools/buildgen/generate_projects.sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -492,49 +492,50 @@
       'dependencies': [
       ],
       'sources': [
-        'src/core/profiling/basic_timers.c',
-        'src/core/profiling/stap_timers.c',
-        'src/core/support/alloc.c',
-        'src/core/support/avl.c',
-        'src/core/support/cmdline.c',
-        'src/core/support/cpu_iphone.c',
-        'src/core/support/cpu_linux.c',
-        'src/core/support/cpu_posix.c',
-        'src/core/support/cpu_windows.c',
-        'src/core/support/env_linux.c',
-        'src/core/support/env_posix.c',
-        'src/core/support/env_win32.c',
-        'src/core/support/file.c',
-        'src/core/support/file_posix.c',
-        'src/core/support/file_win32.c',
-        'src/core/support/histogram.c',
-        'src/core/support/host_port.c',
-        'src/core/support/log.c',
-        'src/core/support/log_android.c',
-        'src/core/support/log_linux.c',
-        'src/core/support/log_posix.c',
-        'src/core/support/log_win32.c',
-        'src/core/support/murmur_hash.c',
-        'src/core/support/slice.c',
-        'src/core/support/slice_buffer.c',
-        'src/core/support/stack_lockfree.c',
-        'src/core/support/string.c',
-        'src/core/support/string_posix.c',
-        'src/core/support/string_win32.c',
-        'src/core/support/subprocess_posix.c',
-        'src/core/support/subprocess_windows.c',
-        'src/core/support/sync.c',
-        'src/core/support/sync_posix.c',
-        'src/core/support/sync_win32.c',
-        'src/core/support/thd.c',
-        'src/core/support/thd_posix.c',
-        'src/core/support/thd_win32.c',
-        'src/core/support/time.c',
-        'src/core/support/time_posix.c',
-        'src/core/support/time_precise.c',
-        'src/core/support/time_win32.c',
-        'src/core/support/tls_pthread.c',
-        'src/core/support/wrap_memcpy.c',
+        'src/core/lib/profiling/basic_timers.c',
+        'src/core/lib/profiling/stap_timers.c',
+        'src/core/lib/support/alloc.c',
+        'src/core/lib/support/avl.c',
+        'src/core/lib/support/backoff.c',
+        'src/core/lib/support/cmdline.c',
+        'src/core/lib/support/cpu_iphone.c',
+        'src/core/lib/support/cpu_linux.c',
+        'src/core/lib/support/cpu_posix.c',
+        'src/core/lib/support/cpu_windows.c',
+        'src/core/lib/support/env_linux.c',
+        'src/core/lib/support/env_posix.c',
+        'src/core/lib/support/env_win32.c',
+        'src/core/lib/support/histogram.c',
+        'src/core/lib/support/host_port.c',
+        'src/core/lib/support/load_file.c',
+        'src/core/lib/support/log.c',
+        'src/core/lib/support/log_android.c',
+        'src/core/lib/support/log_linux.c',
+        'src/core/lib/support/log_posix.c',
+        'src/core/lib/support/log_win32.c',
+        'src/core/lib/support/murmur_hash.c',
+        'src/core/lib/support/slice.c',
+        'src/core/lib/support/slice_buffer.c',
+        'src/core/lib/support/stack_lockfree.c',
+        'src/core/lib/support/string.c',
+        'src/core/lib/support/string_posix.c',
+        'src/core/lib/support/string_win32.c',
+        'src/core/lib/support/subprocess_posix.c',
+        'src/core/lib/support/subprocess_windows.c',
+        'src/core/lib/support/sync.c',
+        'src/core/lib/support/sync_posix.c',
+        'src/core/lib/support/sync_win32.c',
+        'src/core/lib/support/thd.c',
+        'src/core/lib/support/thd_posix.c',
+        'src/core/lib/support/thd_win32.c',
+        'src/core/lib/support/time.c',
+        'src/core/lib/support/time_posix.c',
+        'src/core/lib/support/time_precise.c',
+        'src/core/lib/support/time_win32.c',
+        'src/core/lib/support/tls_pthread.c',
+        'src/core/lib/support/tmpfile_posix.c',
+        'src/core/lib/support/tmpfile_win32.c',
+        'src/core/lib/support/wrap_memcpy.c',
       ],
       "conditions": [
         ['OS == "mac"', {
@@ -557,161 +558,171 @@
         'gpr',
       ],
       'sources': [
-        'src/core/httpcli/httpcli_security_connector.c',
-        'src/core/security/base64.c',
-        'src/core/security/client_auth_filter.c',
-        'src/core/security/credentials.c',
-        'src/core/security/credentials_metadata.c',
-        'src/core/security/credentials_posix.c',
-        'src/core/security/credentials_win32.c',
-        'src/core/security/google_default_credentials.c',
-        'src/core/security/handshake.c',
-        'src/core/security/json_token.c',
-        'src/core/security/jwt_verifier.c',
-        'src/core/security/secure_endpoint.c',
-        'src/core/security/security_connector.c',
-        'src/core/security/security_context.c',
-        'src/core/security/server_auth_filter.c',
-        'src/core/security/server_secure_chttp2.c',
-        'src/core/surface/init_secure.c',
-        'src/core/surface/secure_channel_create.c',
-        'src/core/tsi/fake_transport_security.c',
-        'src/core/tsi/ssl_transport_security.c',
-        'src/core/tsi/transport_security.c',
-        'src/core/census/grpc_context.c',
-        'src/core/census/grpc_filter.c',
-        'src/core/channel/channel_args.c',
-        'src/core/channel/channel_stack.c',
-        'src/core/channel/client_channel.c',
-        'src/core/channel/client_uchannel.c',
-        'src/core/channel/compress_filter.c',
-        'src/core/channel/connected_channel.c',
-        'src/core/channel/http_client_filter.c',
-        'src/core/channel/http_server_filter.c',
-        'src/core/channel/subchannel_call_holder.c',
-        'src/core/client_config/client_config.c',
-        'src/core/client_config/connector.c',
-        'src/core/client_config/default_initial_connect_string.c',
-        'src/core/client_config/initial_connect_string.c',
-        'src/core/client_config/lb_policies/pick_first.c',
-        'src/core/client_config/lb_policies/round_robin.c',
-        'src/core/client_config/lb_policy.c',
-        'src/core/client_config/lb_policy_factory.c',
-        'src/core/client_config/lb_policy_registry.c',
-        'src/core/client_config/resolver.c',
-        'src/core/client_config/resolver_factory.c',
-        'src/core/client_config/resolver_registry.c',
-        'src/core/client_config/resolvers/dns_resolver.c',
-        'src/core/client_config/resolvers/sockaddr_resolver.c',
-        'src/core/client_config/subchannel.c',
-        'src/core/client_config/subchannel_factory.c',
-        'src/core/client_config/subchannel_index.c',
-        'src/core/client_config/uri_parser.c',
-        'src/core/compression/algorithm.c',
-        'src/core/compression/message_compress.c',
-        'src/core/debug/trace.c',
-        'src/core/httpcli/format_request.c',
-        'src/core/httpcli/httpcli.c',
-        'src/core/httpcli/parser.c',
-        'src/core/iomgr/closure.c',
-        'src/core/iomgr/endpoint.c',
-        'src/core/iomgr/endpoint_pair_posix.c',
-        'src/core/iomgr/endpoint_pair_windows.c',
-        'src/core/iomgr/exec_ctx.c',
-        'src/core/iomgr/executor.c',
-        'src/core/iomgr/fd_posix.c',
-        'src/core/iomgr/iocp_windows.c',
-        'src/core/iomgr/iomgr.c',
-        'src/core/iomgr/iomgr_posix.c',
-        'src/core/iomgr/iomgr_windows.c',
-        'src/core/iomgr/pollset_multipoller_with_epoll.c',
-        'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-        'src/core/iomgr/pollset_posix.c',
-        'src/core/iomgr/pollset_set_posix.c',
-        'src/core/iomgr/pollset_set_windows.c',
-        'src/core/iomgr/pollset_windows.c',
-        'src/core/iomgr/resolve_address_posix.c',
-        'src/core/iomgr/resolve_address_windows.c',
-        'src/core/iomgr/sockaddr_utils.c',
-        'src/core/iomgr/socket_utils_common_posix.c',
-        'src/core/iomgr/socket_utils_linux.c',
-        'src/core/iomgr/socket_utils_posix.c',
-        'src/core/iomgr/socket_windows.c',
-        'src/core/iomgr/tcp_client_posix.c',
-        'src/core/iomgr/tcp_client_windows.c',
-        'src/core/iomgr/tcp_posix.c',
-        'src/core/iomgr/tcp_server_posix.c',
-        'src/core/iomgr/tcp_server_windows.c',
-        'src/core/iomgr/tcp_windows.c',
-        'src/core/iomgr/time_averaged_stats.c',
-        'src/core/iomgr/timer.c',
-        'src/core/iomgr/timer_heap.c',
-        'src/core/iomgr/udp_server.c',
-        'src/core/iomgr/wakeup_fd_eventfd.c',
-        'src/core/iomgr/wakeup_fd_nospecial.c',
-        'src/core/iomgr/wakeup_fd_pipe.c',
-        'src/core/iomgr/wakeup_fd_posix.c',
-        'src/core/iomgr/workqueue_posix.c',
-        'src/core/iomgr/workqueue_windows.c',
-        'src/core/json/json.c',
-        'src/core/json/json_reader.c',
-        'src/core/json/json_string.c',
-        'src/core/json/json_writer.c',
-        'src/core/surface/alarm.c',
-        'src/core/surface/api_trace.c',
-        'src/core/surface/byte_buffer.c',
-        'src/core/surface/byte_buffer_reader.c',
-        'src/core/surface/call.c',
-        'src/core/surface/call_details.c',
-        'src/core/surface/call_log_batch.c',
-        'src/core/surface/channel.c',
-        'src/core/surface/channel_connectivity.c',
-        'src/core/surface/channel_create.c',
-        'src/core/surface/channel_ping.c',
-        'src/core/surface/completion_queue.c',
-        'src/core/surface/event_string.c',
-        'src/core/surface/init.c',
-        'src/core/surface/lame_client.c',
-        'src/core/surface/metadata_array.c',
-        'src/core/surface/server.c',
-        'src/core/surface/server_chttp2.c',
-        'src/core/surface/server_create.c',
-        'src/core/surface/validate_metadata.c',
-        'src/core/surface/version.c',
-        'src/core/transport/byte_stream.c',
-        'src/core/transport/chttp2/alpn.c',
-        'src/core/transport/chttp2/bin_encoder.c',
-        'src/core/transport/chttp2/frame_data.c',
-        'src/core/transport/chttp2/frame_goaway.c',
-        'src/core/transport/chttp2/frame_ping.c',
-        'src/core/transport/chttp2/frame_rst_stream.c',
-        'src/core/transport/chttp2/frame_settings.c',
-        'src/core/transport/chttp2/frame_window_update.c',
-        'src/core/transport/chttp2/hpack_encoder.c',
-        'src/core/transport/chttp2/hpack_parser.c',
-        'src/core/transport/chttp2/hpack_table.c',
-        'src/core/transport/chttp2/huffsyms.c',
-        'src/core/transport/chttp2/incoming_metadata.c',
-        'src/core/transport/chttp2/parsing.c',
-        'src/core/transport/chttp2/status_conversion.c',
-        'src/core/transport/chttp2/stream_lists.c',
-        'src/core/transport/chttp2/stream_map.c',
-        'src/core/transport/chttp2/timeout_encoding.c',
-        'src/core/transport/chttp2/varint.c',
-        'src/core/transport/chttp2/writing.c',
-        'src/core/transport/chttp2_transport.c',
-        'src/core/transport/connectivity_state.c',
-        'src/core/transport/metadata.c',
-        'src/core/transport/metadata_batch.c',
-        'src/core/transport/static_metadata.c',
-        'src/core/transport/transport.c',
-        'src/core/transport/transport_op_string.c',
-        'src/core/census/context.c',
-        'src/core/census/initialize.c',
-        'src/core/census/log.c',
-        'src/core/census/operation.c',
-        'src/core/census/placeholders.c',
-        'src/core/census/tracing.c',
+        'src/core/lib/channel/channel_args.c',
+        'src/core/lib/channel/channel_stack.c',
+        'src/core/lib/channel/channel_stack_builder.c',
+        'src/core/lib/channel/compress_filter.c',
+        'src/core/lib/channel/connected_channel.c',
+        'src/core/lib/channel/http_client_filter.c',
+        'src/core/lib/channel/http_server_filter.c',
+        'src/core/lib/compression/compression_algorithm.c',
+        'src/core/lib/compression/message_compress.c',
+        'src/core/lib/debug/trace.c',
+        'src/core/lib/http/format_request.c',
+        'src/core/lib/http/httpcli.c',
+        'src/core/lib/http/parser.c',
+        'src/core/lib/iomgr/closure.c',
+        'src/core/lib/iomgr/endpoint.c',
+        'src/core/lib/iomgr/endpoint_pair_posix.c',
+        'src/core/lib/iomgr/endpoint_pair_windows.c',
+        'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+        'src/core/lib/iomgr/ev_posix.c',
+        'src/core/lib/iomgr/exec_ctx.c',
+        'src/core/lib/iomgr/executor.c',
+        'src/core/lib/iomgr/iocp_windows.c',
+        'src/core/lib/iomgr/iomgr.c',
+        'src/core/lib/iomgr/iomgr_posix.c',
+        'src/core/lib/iomgr/iomgr_windows.c',
+        'src/core/lib/iomgr/pollset_set_windows.c',
+        'src/core/lib/iomgr/pollset_windows.c',
+        'src/core/lib/iomgr/resolve_address_posix.c',
+        'src/core/lib/iomgr/resolve_address_windows.c',
+        'src/core/lib/iomgr/sockaddr_utils.c',
+        'src/core/lib/iomgr/socket_utils_common_posix.c',
+        'src/core/lib/iomgr/socket_utils_linux.c',
+        'src/core/lib/iomgr/socket_utils_posix.c',
+        'src/core/lib/iomgr/socket_windows.c',
+        'src/core/lib/iomgr/tcp_client_posix.c',
+        'src/core/lib/iomgr/tcp_client_windows.c',
+        'src/core/lib/iomgr/tcp_posix.c',
+        'src/core/lib/iomgr/tcp_server_posix.c',
+        'src/core/lib/iomgr/tcp_server_windows.c',
+        'src/core/lib/iomgr/tcp_windows.c',
+        'src/core/lib/iomgr/time_averaged_stats.c',
+        'src/core/lib/iomgr/timer.c',
+        'src/core/lib/iomgr/timer_heap.c',
+        'src/core/lib/iomgr/udp_server.c',
+        'src/core/lib/iomgr/unix_sockets_posix.c',
+        'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+        'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+        'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+        'src/core/lib/iomgr/wakeup_fd_pipe.c',
+        'src/core/lib/iomgr/wakeup_fd_posix.c',
+        'src/core/lib/iomgr/workqueue_posix.c',
+        'src/core/lib/iomgr/workqueue_windows.c',
+        'src/core/lib/json/json.c',
+        'src/core/lib/json/json_reader.c',
+        'src/core/lib/json/json_string.c',
+        'src/core/lib/json/json_writer.c',
+        'src/core/lib/surface/alarm.c',
+        'src/core/lib/surface/api_trace.c',
+        'src/core/lib/surface/byte_buffer.c',
+        'src/core/lib/surface/byte_buffer_reader.c',
+        'src/core/lib/surface/call.c',
+        'src/core/lib/surface/call_details.c',
+        'src/core/lib/surface/call_log_batch.c',
+        'src/core/lib/surface/channel.c',
+        'src/core/lib/surface/channel_init.c',
+        'src/core/lib/surface/channel_ping.c',
+        'src/core/lib/surface/channel_stack_type.c',
+        'src/core/lib/surface/completion_queue.c',
+        'src/core/lib/surface/event_string.c',
+        'src/core/lib/surface/init.c',
+        'src/core/lib/surface/lame_client.c',
+        'src/core/lib/surface/metadata_array.c',
+        'src/core/lib/surface/server.c',
+        'src/core/lib/surface/validate_metadata.c',
+        'src/core/lib/surface/version.c',
+        'src/core/lib/transport/byte_stream.c',
+        'src/core/lib/transport/connectivity_state.c',
+        'src/core/lib/transport/metadata.c',
+        'src/core/lib/transport/metadata_batch.c',
+        'src/core/lib/transport/static_metadata.c',
+        'src/core/lib/transport/transport.c',
+        'src/core/lib/transport/transport_op_string.c',
+        'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+        'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+        'src/core/ext/transport/chttp2/transport/frame_data.c',
+        'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+        'src/core/ext/transport/chttp2/transport/frame_ping.c',
+        'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+        'src/core/ext/transport/chttp2/transport/frame_settings.c',
+        'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+        'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+        'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+        'src/core/ext/transport/chttp2/transport/hpack_table.c',
+        'src/core/ext/transport/chttp2/transport/huffsyms.c',
+        'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+        'src/core/ext/transport/chttp2/transport/parsing.c',
+        'src/core/ext/transport/chttp2/transport/status_conversion.c',
+        'src/core/ext/transport/chttp2/transport/stream_lists.c',
+        'src/core/ext/transport/chttp2/transport/stream_map.c',
+        'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+        'src/core/ext/transport/chttp2/transport/varint.c',
+        'src/core/ext/transport/chttp2/transport/writing.c',
+        'src/core/ext/transport/chttp2/alpn/alpn.c',
+        'src/core/lib/http/httpcli_security_connector.c',
+        'src/core/lib/security/b64.c',
+        'src/core/lib/security/client_auth_filter.c',
+        'src/core/lib/security/credentials.c',
+        'src/core/lib/security/credentials_metadata.c',
+        'src/core/lib/security/credentials_posix.c',
+        'src/core/lib/security/credentials_win32.c',
+        'src/core/lib/security/google_default_credentials.c',
+        'src/core/lib/security/handshake.c',
+        'src/core/lib/security/json_token.c',
+        'src/core/lib/security/jwt_verifier.c',
+        'src/core/lib/security/secure_endpoint.c',
+        'src/core/lib/security/security_connector.c',
+        'src/core/lib/security/security_context.c',
+        'src/core/lib/security/server_auth_filter.c',
+        'src/core/lib/surface/init_secure.c',
+        'src/core/lib/tsi/fake_transport_security.c',
+        'src/core/lib/tsi/ssl_transport_security.c',
+        'src/core/lib/tsi/transport_security.c',
+        'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+        'src/core/ext/client_config/channel_connectivity.c',
+        'src/core/ext/client_config/client_channel.c',
+        'src/core/ext/client_config/client_channel_factory.c',
+        'src/core/ext/client_config/client_config.c',
+        'src/core/ext/client_config/client_config_plugin.c',
+        'src/core/ext/client_config/connector.c',
+        'src/core/ext/client_config/default_initial_connect_string.c',
+        'src/core/ext/client_config/initial_connect_string.c',
+        'src/core/ext/client_config/lb_policy.c',
+        'src/core/ext/client_config/lb_policy_factory.c',
+        'src/core/ext/client_config/lb_policy_registry.c',
+        'src/core/ext/client_config/parse_address.c',
+        'src/core/ext/client_config/resolver.c',
+        'src/core/ext/client_config/resolver_factory.c',
+        'src/core/ext/client_config/resolver_registry.c',
+        'src/core/ext/client_config/subchannel.c',
+        'src/core/ext/client_config/subchannel_call_holder.c',
+        'src/core/ext/client_config/subchannel_index.c',
+        'src/core/ext/client_config/uri_parser.c',
+        'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+        'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+        'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+        'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
+        'third_party/nanopb/pb_common.c',
+        'third_party/nanopb/pb_decode.c',
+        'third_party/nanopb/pb_encode.c',
+        'src/core/ext/lb_policy/pick_first/pick_first.c',
+        'src/core/ext/lb_policy/round_robin/round_robin.c',
+        'src/core/ext/resolver/dns/native/dns_resolver.c',
+        'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+        'src/core/ext/census/context.c',
+        'src/core/ext/census/grpc_context.c',
+        'src/core/ext/census/grpc_filter.c',
+        'src/core/ext/census/grpc_plugin.c',
+        'src/core/ext/census/initialize.c',
+        'src/core/ext/census/mlog.c',
+        'src/core/ext/census/operation.c',
+        'src/core/ext/census/placeholders.c',
+        'src/core/ext/census/tracing.c',
+        'src/core/plugin_registry/grpc_plugin_registry.c',
       ],
       "conditions": [
         ['OS == "mac"', {
diff --git a/build.yaml b/build.yaml
index 6462f7b9f6..a25e2e8cd9 100644
--- a/build.yaml
+++ b/build.yaml
@@ -13,17 +13,26 @@ filegroups:
   public_headers:
   - include/grpc/census.h
   headers:
-  - src/core/census/aggregation.h
-  - src/core/census/log.h
-  - src/core/census/rpc_metric_id.h
-  src:
-  - src/core/census/context.c
-  - src/core/census/initialize.c
-  - src/core/census/log.c
-  - src/core/census/operation.c
-  - src/core/census/placeholders.c
-  - src/core/census/tracing.c
-- name: gpr
+  - src/core/ext/census/aggregation.h
+  - src/core/ext/census/census_interface.h
+  - src/core/ext/census/census_rpc_stats.h
+  - src/core/ext/census/grpc_filter.h
+  - src/core/ext/census/mlog.h
+  - src/core/ext/census/rpc_metric_id.h
+  src:
+  - src/core/ext/census/context.c
+  - src/core/ext/census/grpc_context.c
+  - src/core/ext/census/grpc_filter.c
+  - src/core/ext/census/grpc_plugin.c
+  - src/core/ext/census/initialize.c
+  - src/core/ext/census/mlog.c
+  - src/core/ext/census/operation.c
+  - src/core/ext/census/placeholders.c
+  - src/core/ext/census/tracing.c
+  plugin: census_grpc_plugin
+  uses:
+  - grpc_base
+- name: gpr_base
   public_headers:
   - include/grpc/support/alloc.h
   - include/grpc/support/atm.h
@@ -54,60 +63,65 @@ filegroups:
   - include/grpc/support/tls_pthread.h
   - include/grpc/support/useful.h
   headers:
-  - src/core/profiling/timers.h
-  - src/core/support/block_annotate.h
-  - src/core/support/env.h
-  - src/core/support/file.h
-  - src/core/support/murmur_hash.h
-  - src/core/support/stack_lockfree.h
-  - src/core/support/string.h
-  - src/core/support/string_win32.h
-  - src/core/support/thd_internal.h
-  - src/core/support/time_precise.h
-  src:
-  - src/core/profiling/basic_timers.c
-  - src/core/profiling/stap_timers.c
-  - src/core/support/alloc.c
-  - src/core/support/avl.c
-  - src/core/support/cmdline.c
-  - src/core/support/cpu_iphone.c
-  - src/core/support/cpu_linux.c
-  - src/core/support/cpu_posix.c
-  - src/core/support/cpu_windows.c
-  - src/core/support/env_linux.c
-  - src/core/support/env_posix.c
-  - src/core/support/env_win32.c
-  - src/core/support/file.c
-  - src/core/support/file_posix.c
-  - src/core/support/file_win32.c
-  - src/core/support/histogram.c
-  - src/core/support/host_port.c
-  - src/core/support/log.c
-  - src/core/support/log_android.c
-  - src/core/support/log_linux.c
-  - src/core/support/log_posix.c
-  - src/core/support/log_win32.c
-  - src/core/support/murmur_hash.c
-  - src/core/support/slice.c
-  - src/core/support/slice_buffer.c
-  - src/core/support/stack_lockfree.c
-  - src/core/support/string.c
-  - src/core/support/string_posix.c
-  - src/core/support/string_win32.c
-  - src/core/support/subprocess_posix.c
-  - src/core/support/subprocess_windows.c
-  - src/core/support/sync.c
-  - src/core/support/sync_posix.c
-  - src/core/support/sync_win32.c
-  - src/core/support/thd.c
-  - src/core/support/thd_posix.c
-  - src/core/support/thd_win32.c
-  - src/core/support/time.c
-  - src/core/support/time_posix.c
-  - src/core/support/time_precise.c
-  - src/core/support/time_win32.c
-  - src/core/support/tls_pthread.c
-  - src/core/support/wrap_memcpy.c
+  - src/core/lib/profiling/timers.h
+  - src/core/lib/support/backoff.h
+  - src/core/lib/support/block_annotate.h
+  - src/core/lib/support/env.h
+  - src/core/lib/support/load_file.h
+  - src/core/lib/support/murmur_hash.h
+  - src/core/lib/support/stack_lockfree.h
+  - src/core/lib/support/string.h
+  - src/core/lib/support/string_win32.h
+  - src/core/lib/support/thd_internal.h
+  - src/core/lib/support/time_precise.h
+  - src/core/lib/support/tmpfile.h
+  src:
+  - src/core/lib/profiling/basic_timers.c
+  - src/core/lib/profiling/stap_timers.c
+  - src/core/lib/support/alloc.c
+  - src/core/lib/support/avl.c
+  - src/core/lib/support/backoff.c
+  - src/core/lib/support/cmdline.c
+  - src/core/lib/support/cpu_iphone.c
+  - src/core/lib/support/cpu_linux.c
+  - src/core/lib/support/cpu_posix.c
+  - src/core/lib/support/cpu_windows.c
+  - src/core/lib/support/env_linux.c
+  - src/core/lib/support/env_posix.c
+  - src/core/lib/support/env_win32.c
+  - src/core/lib/support/histogram.c
+  - src/core/lib/support/host_port.c
+  - src/core/lib/support/load_file.c
+  - src/core/lib/support/log.c
+  - src/core/lib/support/log_android.c
+  - src/core/lib/support/log_linux.c
+  - src/core/lib/support/log_posix.c
+  - src/core/lib/support/log_win32.c
+  - src/core/lib/support/murmur_hash.c
+  - src/core/lib/support/slice.c
+  - src/core/lib/support/slice_buffer.c
+  - src/core/lib/support/stack_lockfree.c
+  - src/core/lib/support/string.c
+  - src/core/lib/support/string_posix.c
+  - src/core/lib/support/string_win32.c
+  - src/core/lib/support/subprocess_posix.c
+  - src/core/lib/support/subprocess_windows.c
+  - src/core/lib/support/sync.c
+  - src/core/lib/support/sync_posix.c
+  - src/core/lib/support/sync_win32.c
+  - src/core/lib/support/thd.c
+  - src/core/lib/support/thd_posix.c
+  - src/core/lib/support/thd_win32.c
+  - src/core/lib/support/time.c
+  - src/core/lib/support/time_posix.c
+  - src/core/lib/support/time_precise.c
+  - src/core/lib/support/time_win32.c
+  - src/core/lib/support/tls_pthread.c
+  - src/core/lib/support/tmpfile_posix.c
+  - src/core/lib/support/tmpfile_win32.c
+  - src/core/lib/support/wrap_memcpy.c
+  uses:
+  - gpr_codegen
 - name: gpr_codegen
   public_headers:
   - include/grpc/impl/codegen/alloc.h
@@ -161,8 +175,6 @@ filegroups:
   - include/grpc++/support/async_unary_call.h
   - include/grpc++/support/byte_buffer.h
   - include/grpc++/support/channel_arguments.h
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - include/grpc++/support/slice.h
   - include/grpc++/support/status.h
   - include/grpc++/support/status_code_enum.h
@@ -172,6 +184,7 @@ filegroups:
   - include/grpc++/support/time.h
   headers:
   - src/cpp/client/create_channel_internal.h
+  - src/cpp/common/core_codegen.h
   - src/cpp/common/create_auth_context.h
   - src/cpp/server/dynamic_thread_pool.h
   - src/cpp/server/thread_pool_interface.h
@@ -183,12 +196,10 @@ filegroups:
   - src/cpp/client/credentials.cc
   - src/cpp/client/generic_stub.cc
   - src/cpp/client/insecure_credentials.cc
-  - src/cpp/common/alarm.cc
-  - src/cpp/common/call.cc
   - src/cpp/common/channel_arguments.cc
   - src/cpp/common/completion_queue.cc
+  - src/cpp/common/core_codegen.cc
   - src/cpp/common/rpc_method.cc
-  - src/cpp/proto/proto_utils.cc
   - src/cpp/server/async_generic_service.cc
   - src/cpp/server/create_default_thread_pool.cc
   - src/cpp/server/dynamic_thread_pool.cc
@@ -202,6 +213,11 @@ filegroups:
   - src/cpp/util/status.cc
   - src/cpp/util/string_ref.cc
   - src/cpp/util/time.cc
+  deps:
+  - grpc
+  uses:
+  - grpc++_codegen
+  - grpc++_config
 - name: grpc++_codegen
   public_headers:
   - include/grpc++/impl/codegen/async_stream.h
@@ -213,8 +229,7 @@ filegroups:
   - include/grpc++/impl/codegen/client_unary_call.h
   - include/grpc++/impl/codegen/completion_queue.h
   - include/grpc++/impl/codegen/completion_queue_tag.h
-  - include/grpc++/impl/codegen/config.h
-  - include/grpc++/impl/codegen/config_protobuf.h
+  - include/grpc++/impl/codegen/core_codegen_interface.h
   - include/grpc++/impl/codegen/grpc_library.h
   - include/grpc++/impl/codegen/method_handler_impl.h
   - include/grpc++/impl/codegen/proto_utils.h
@@ -235,7 +250,20 @@ filegroups:
   - include/grpc++/impl/codegen/sync_stream.h
   - include/grpc++/impl/codegen/time.h
   src:
-  - src/cpp/codegen/grpc_library.cc
+  - src/cpp/codegen/codegen_init.cc
+  uses:
+  - grpc_codegen
+  - grpc++_config_codegen
+- name: grpc++_config
+  public_headers:
+  - include/grpc++/support/config.h
+  - include/grpc++/support/config_protobuf.h
+  uses:
+  - grpc++_config_codegen
+- name: grpc++_config_codegen
+  public_headers:
+  - include/grpc++/impl/codegen/config.h
+  - include/grpc++/impl/codegen/config_protobuf.h
 - name: grpc_base
   public_headers:
   - include/grpc/byte_buffer.h
@@ -244,249 +272,207 @@ filegroups:
   - include/grpc/grpc.h
   - include/grpc/status.h
   headers:
-  - src/core/census/grpc_filter.h
-  - src/core/channel/channel_args.h
-  - src/core/channel/channel_stack.h
-  - src/core/channel/client_channel.h
-  - src/core/channel/client_uchannel.h
-  - src/core/channel/compress_filter.h
-  - src/core/channel/connected_channel.h
-  - src/core/channel/context.h
-  - src/core/channel/http_client_filter.h
-  - src/core/channel/http_server_filter.h
-  - src/core/channel/subchannel_call_holder.h
-  - src/core/client_config/client_config.h
-  - src/core/client_config/connector.h
-  - src/core/client_config/initial_connect_string.h
-  - src/core/client_config/lb_policies/pick_first.h
-  - src/core/client_config/lb_policies/round_robin.h
-  - src/core/client_config/lb_policy.h
-  - src/core/client_config/lb_policy_factory.h
-  - src/core/client_config/lb_policy_registry.h
-  - src/core/client_config/resolver.h
-  - src/core/client_config/resolver_factory.h
-  - src/core/client_config/resolver_registry.h
-  - src/core/client_config/resolvers/dns_resolver.h
-  - src/core/client_config/resolvers/sockaddr_resolver.h
-  - src/core/client_config/subchannel.h
-  - src/core/client_config/subchannel_factory.h
-  - src/core/client_config/subchannel_index.h
-  - src/core/client_config/uri_parser.h
-  - src/core/compression/algorithm_metadata.h
-  - src/core/compression/message_compress.h
-  - src/core/debug/trace.h
-  - src/core/httpcli/format_request.h
-  - src/core/httpcli/httpcli.h
-  - src/core/httpcli/parser.h
-  - src/core/iomgr/closure.h
-  - src/core/iomgr/endpoint.h
-  - src/core/iomgr/endpoint_pair.h
-  - src/core/iomgr/exec_ctx.h
-  - src/core/iomgr/executor.h
-  - src/core/iomgr/fd_posix.h
-  - src/core/iomgr/iocp_windows.h
-  - src/core/iomgr/iomgr.h
-  - src/core/iomgr/iomgr_internal.h
-  - src/core/iomgr/iomgr_posix.h
-  - src/core/iomgr/pollset.h
-  - src/core/iomgr/pollset_posix.h
-  - src/core/iomgr/pollset_set.h
-  - src/core/iomgr/pollset_set_posix.h
-  - src/core/iomgr/pollset_set_windows.h
-  - src/core/iomgr/pollset_windows.h
-  - src/core/iomgr/resolve_address.h
-  - src/core/iomgr/sockaddr.h
-  - src/core/iomgr/sockaddr_posix.h
-  - src/core/iomgr/sockaddr_utils.h
-  - src/core/iomgr/sockaddr_win32.h
-  - src/core/iomgr/socket_utils_posix.h
-  - src/core/iomgr/socket_windows.h
-  - src/core/iomgr/tcp_client.h
-  - src/core/iomgr/tcp_posix.h
-  - src/core/iomgr/tcp_server.h
-  - src/core/iomgr/tcp_windows.h
-  - src/core/iomgr/time_averaged_stats.h
-  - src/core/iomgr/timer.h
-  - src/core/iomgr/timer_heap.h
-  - src/core/iomgr/timer_internal.h
-  - src/core/iomgr/udp_server.h
-  - src/core/iomgr/wakeup_fd_pipe.h
-  - src/core/iomgr/wakeup_fd_posix.h
-  - src/core/iomgr/workqueue.h
-  - src/core/iomgr/workqueue_posix.h
-  - src/core/iomgr/workqueue_windows.h
-  - src/core/json/json.h
-  - src/core/json/json_common.h
-  - src/core/json/json_reader.h
-  - src/core/json/json_writer.h
-  - src/core/statistics/census_interface.h
-  - src/core/statistics/census_rpc_stats.h
-  - src/core/surface/api_trace.h
-  - src/core/surface/call.h
-  - src/core/surface/call_test_only.h
-  - src/core/surface/channel.h
-  - src/core/surface/completion_queue.h
-  - src/core/surface/event_string.h
-  - src/core/surface/init.h
-  - src/core/surface/server.h
-  - src/core/surface/surface_trace.h
-  - src/core/transport/byte_stream.h
-  - src/core/transport/chttp2/alpn.h
-  - src/core/transport/chttp2/bin_encoder.h
-  - src/core/transport/chttp2/frame.h
-  - src/core/transport/chttp2/frame_data.h
-  - src/core/transport/chttp2/frame_goaway.h
-  - src/core/transport/chttp2/frame_ping.h
-  - src/core/transport/chttp2/frame_rst_stream.h
-  - src/core/transport/chttp2/frame_settings.h
-  - src/core/transport/chttp2/frame_window_update.h
-  - src/core/transport/chttp2/hpack_encoder.h
-  - src/core/transport/chttp2/hpack_parser.h
-  - src/core/transport/chttp2/hpack_table.h
-  - src/core/transport/chttp2/http2_errors.h
-  - src/core/transport/chttp2/huffsyms.h
-  - src/core/transport/chttp2/incoming_metadata.h
-  - src/core/transport/chttp2/internal.h
-  - src/core/transport/chttp2/status_conversion.h
-  - src/core/transport/chttp2/stream_map.h
-  - src/core/transport/chttp2/timeout_encoding.h
-  - src/core/transport/chttp2/varint.h
-  - src/core/transport/chttp2_transport.h
-  - src/core/transport/connectivity_state.h
-  - src/core/transport/metadata.h
-  - src/core/transport/metadata_batch.h
-  - src/core/transport/static_metadata.h
-  - src/core/transport/transport.h
-  - src/core/transport/transport_impl.h
-  src:
-  - src/core/census/grpc_context.c
-  - src/core/census/grpc_filter.c
-  - src/core/channel/channel_args.c
-  - src/core/channel/channel_stack.c
-  - src/core/channel/client_channel.c
-  - src/core/channel/client_uchannel.c
-  - src/core/channel/compress_filter.c
-  - src/core/channel/connected_channel.c
-  - src/core/channel/http_client_filter.c
-  - src/core/channel/http_server_filter.c
-  - src/core/channel/subchannel_call_holder.c
-  - src/core/client_config/client_config.c
-  - src/core/client_config/connector.c
-  - src/core/client_config/default_initial_connect_string.c
-  - src/core/client_config/initial_connect_string.c
-  - src/core/client_config/lb_policies/pick_first.c
-  - src/core/client_config/lb_policies/round_robin.c
-  - src/core/client_config/lb_policy.c
-  - src/core/client_config/lb_policy_factory.c
-  - src/core/client_config/lb_policy_registry.c
-  - src/core/client_config/resolver.c
-  - src/core/client_config/resolver_factory.c
-  - src/core/client_config/resolver_registry.c
-  - src/core/client_config/resolvers/dns_resolver.c
-  - src/core/client_config/resolvers/sockaddr_resolver.c
-  - src/core/client_config/subchannel.c
-  - src/core/client_config/subchannel_factory.c
-  - src/core/client_config/subchannel_index.c
-  - src/core/client_config/uri_parser.c
-  - src/core/compression/algorithm.c
-  - src/core/compression/message_compress.c
-  - src/core/debug/trace.c
-  - src/core/httpcli/format_request.c
-  - src/core/httpcli/httpcli.c
-  - src/core/httpcli/parser.c
-  - src/core/iomgr/closure.c
-  - src/core/iomgr/endpoint.c
-  - src/core/iomgr/endpoint_pair_posix.c
-  - src/core/iomgr/endpoint_pair_windows.c
-  - src/core/iomgr/exec_ctx.c
-  - src/core/iomgr/executor.c
-  - src/core/iomgr/fd_posix.c
-  - src/core/iomgr/iocp_windows.c
-  - src/core/iomgr/iomgr.c
-  - src/core/iomgr/iomgr_posix.c
-  - src/core/iomgr/iomgr_windows.c
-  - src/core/iomgr/pollset_multipoller_with_epoll.c
-  - src/core/iomgr/pollset_multipoller_with_poll_posix.c
-  - src/core/iomgr/pollset_posix.c
-  - src/core/iomgr/pollset_set_posix.c
-  - src/core/iomgr/pollset_set_windows.c
-  - src/core/iomgr/pollset_windows.c
-  - src/core/iomgr/resolve_address_posix.c
-  - src/core/iomgr/resolve_address_windows.c
-  - src/core/iomgr/sockaddr_utils.c
-  - src/core/iomgr/socket_utils_common_posix.c
-  - src/core/iomgr/socket_utils_linux.c
-  - src/core/iomgr/socket_utils_posix.c
-  - src/core/iomgr/socket_windows.c
-  - src/core/iomgr/tcp_client_posix.c
-  - src/core/iomgr/tcp_client_windows.c
-  - src/core/iomgr/tcp_posix.c
-  - src/core/iomgr/tcp_server_posix.c
-  - src/core/iomgr/tcp_server_windows.c
-  - src/core/iomgr/tcp_windows.c
-  - src/core/iomgr/time_averaged_stats.c
-  - src/core/iomgr/timer.c
-  - src/core/iomgr/timer_heap.c
-  - src/core/iomgr/udp_server.c
-  - src/core/iomgr/wakeup_fd_eventfd.c
-  - src/core/iomgr/wakeup_fd_nospecial.c
-  - src/core/iomgr/wakeup_fd_pipe.c
-  - src/core/iomgr/wakeup_fd_posix.c
-  - src/core/iomgr/workqueue_posix.c
-  - src/core/iomgr/workqueue_windows.c
-  - src/core/json/json.c
-  - src/core/json/json_reader.c
-  - src/core/json/json_string.c
-  - src/core/json/json_writer.c
-  - src/core/surface/alarm.c
-  - src/core/surface/api_trace.c
-  - src/core/surface/byte_buffer.c
-  - src/core/surface/byte_buffer_reader.c
-  - src/core/surface/call.c
-  - src/core/surface/call_details.c
-  - src/core/surface/call_log_batch.c
-  - src/core/surface/channel.c
-  - src/core/surface/channel_connectivity.c
-  - src/core/surface/channel_create.c
-  - src/core/surface/channel_ping.c
-  - src/core/surface/completion_queue.c
-  - src/core/surface/event_string.c
-  - src/core/surface/init.c
-  - src/core/surface/lame_client.c
-  - src/core/surface/metadata_array.c
-  - src/core/surface/server.c
-  - src/core/surface/server_chttp2.c
-  - src/core/surface/server_create.c
-  - src/core/surface/validate_metadata.c
-  - src/core/surface/version.c
-  - src/core/transport/byte_stream.c
-  - src/core/transport/chttp2/alpn.c
-  - src/core/transport/chttp2/bin_encoder.c
-  - src/core/transport/chttp2/frame_data.c
-  - src/core/transport/chttp2/frame_goaway.c
-  - src/core/transport/chttp2/frame_ping.c
-  - src/core/transport/chttp2/frame_rst_stream.c
-  - src/core/transport/chttp2/frame_settings.c
-  - src/core/transport/chttp2/frame_window_update.c
-  - src/core/transport/chttp2/hpack_encoder.c
-  - src/core/transport/chttp2/hpack_parser.c
-  - src/core/transport/chttp2/hpack_table.c
-  - src/core/transport/chttp2/huffsyms.c
-  - src/core/transport/chttp2/incoming_metadata.c
-  - src/core/transport/chttp2/parsing.c
-  - src/core/transport/chttp2/status_conversion.c
-  - src/core/transport/chttp2/stream_lists.c
-  - src/core/transport/chttp2/stream_map.c
-  - src/core/transport/chttp2/timeout_encoding.c
-  - src/core/transport/chttp2/varint.c
-  - src/core/transport/chttp2/writing.c
-  - src/core/transport/chttp2_transport.c
-  - src/core/transport/connectivity_state.c
-  - src/core/transport/metadata.c
-  - src/core/transport/metadata_batch.c
-  - src/core/transport/static_metadata.c
-  - src/core/transport/transport.c
-  - src/core/transport/transport_op_string.c
+  - src/core/lib/channel/channel_args.h
+  - src/core/lib/channel/channel_stack.h
+  - src/core/lib/channel/channel_stack_builder.h
+  - src/core/lib/channel/compress_filter.h
+  - src/core/lib/channel/connected_channel.h
+  - src/core/lib/channel/context.h
+  - src/core/lib/channel/http_client_filter.h
+  - src/core/lib/channel/http_server_filter.h
+  - src/core/lib/compression/algorithm_metadata.h
+  - src/core/lib/compression/message_compress.h
+  - src/core/lib/debug/trace.h
+  - src/core/lib/http/format_request.h
+  - src/core/lib/http/httpcli.h
+  - src/core/lib/http/parser.h
+  - src/core/lib/iomgr/closure.h
+  - src/core/lib/iomgr/endpoint.h
+  - src/core/lib/iomgr/endpoint_pair.h
+  - src/core/lib/iomgr/ev_poll_and_epoll_posix.h
+  - src/core/lib/iomgr/ev_posix.h
+  - src/core/lib/iomgr/exec_ctx.h
+  - src/core/lib/iomgr/executor.h
+  - src/core/lib/iomgr/iocp_windows.h
+  - src/core/lib/iomgr/iomgr.h
+  - src/core/lib/iomgr/iomgr_internal.h
+  - src/core/lib/iomgr/iomgr_posix.h
+  - src/core/lib/iomgr/pollset.h
+  - src/core/lib/iomgr/pollset_set.h
+  - src/core/lib/iomgr/pollset_set_windows.h
+  - src/core/lib/iomgr/pollset_windows.h
+  - src/core/lib/iomgr/resolve_address.h
+  - src/core/lib/iomgr/sockaddr.h
+  - src/core/lib/iomgr/sockaddr_posix.h
+  - src/core/lib/iomgr/sockaddr_utils.h
+  - src/core/lib/iomgr/sockaddr_win32.h
+  - src/core/lib/iomgr/socket_utils_posix.h
+  - src/core/lib/iomgr/socket_windows.h
+  - src/core/lib/iomgr/tcp_client.h
+  - src/core/lib/iomgr/tcp_posix.h
+  - src/core/lib/iomgr/tcp_server.h
+  - src/core/lib/iomgr/tcp_windows.h
+  - src/core/lib/iomgr/time_averaged_stats.h
+  - src/core/lib/iomgr/timer.h
+  - src/core/lib/iomgr/timer_heap.h
+  - src/core/lib/iomgr/udp_server.h
+  - src/core/lib/iomgr/unix_sockets_posix.h
+  - src/core/lib/iomgr/wakeup_fd_pipe.h
+  - src/core/lib/iomgr/wakeup_fd_posix.h
+  - src/core/lib/iomgr/workqueue.h
+  - src/core/lib/iomgr/workqueue_posix.h
+  - src/core/lib/iomgr/workqueue_windows.h
+  - src/core/lib/json/json.h
+  - src/core/lib/json/json_common.h
+  - src/core/lib/json/json_reader.h
+  - src/core/lib/json/json_writer.h
+  - src/core/lib/surface/api_trace.h
+  - src/core/lib/surface/call.h
+  - src/core/lib/surface/call_test_only.h
+  - src/core/lib/surface/channel.h
+  - src/core/lib/surface/channel_init.h
+  - src/core/lib/surface/channel_stack_type.h
+  - src/core/lib/surface/completion_queue.h
+  - src/core/lib/surface/event_string.h
+  - src/core/lib/surface/init.h
+  - src/core/lib/surface/lame_client.h
+  - src/core/lib/surface/server.h
+  - src/core/lib/surface/surface_trace.h
+  - src/core/lib/transport/byte_stream.h
+  - src/core/lib/transport/connectivity_state.h
+  - src/core/lib/transport/metadata.h
+  - src/core/lib/transport/metadata_batch.h
+  - src/core/lib/transport/static_metadata.h
+  - src/core/lib/transport/transport.h
+  - src/core/lib/transport/transport_impl.h
+  src:
+  - src/core/lib/channel/channel_args.c
+  - src/core/lib/channel/channel_stack.c
+  - src/core/lib/channel/channel_stack_builder.c
+  - src/core/lib/channel/compress_filter.c
+  - src/core/lib/channel/connected_channel.c
+  - src/core/lib/channel/http_client_filter.c
+  - src/core/lib/channel/http_server_filter.c
+  - src/core/lib/compression/compression_algorithm.c
+  - src/core/lib/compression/message_compress.c
+  - src/core/lib/debug/trace.c
+  - src/core/lib/http/format_request.c
+  - src/core/lib/http/httpcli.c
+  - src/core/lib/http/parser.c
+  - src/core/lib/iomgr/closure.c
+  - src/core/lib/iomgr/endpoint.c
+  - src/core/lib/iomgr/endpoint_pair_posix.c
+  - src/core/lib/iomgr/endpoint_pair_windows.c
+  - src/core/lib/iomgr/ev_poll_and_epoll_posix.c
+  - src/core/lib/iomgr/ev_posix.c
+  - src/core/lib/iomgr/exec_ctx.c
+  - src/core/lib/iomgr/executor.c
+  - src/core/lib/iomgr/iocp_windows.c
+  - src/core/lib/iomgr/iomgr.c
+  - src/core/lib/iomgr/iomgr_posix.c
+  - src/core/lib/iomgr/iomgr_windows.c
+  - src/core/lib/iomgr/pollset_set_windows.c
+  - src/core/lib/iomgr/pollset_windows.c
+  - src/core/lib/iomgr/resolve_address_posix.c
+  - src/core/lib/iomgr/resolve_address_windows.c
+  - src/core/lib/iomgr/sockaddr_utils.c
+  - src/core/lib/iomgr/socket_utils_common_posix.c
+  - src/core/lib/iomgr/socket_utils_linux.c
+  - src/core/lib/iomgr/socket_utils_posix.c
+  - src/core/lib/iomgr/socket_windows.c
+  - src/core/lib/iomgr/tcp_client_posix.c
+  - src/core/lib/iomgr/tcp_client_windows.c
+  - src/core/lib/iomgr/tcp_posix.c
+  - src/core/lib/iomgr/tcp_server_posix.c
+  - src/core/lib/iomgr/tcp_server_windows.c
+  - src/core/lib/iomgr/tcp_windows.c
+  - src/core/lib/iomgr/time_averaged_stats.c
+  - src/core/lib/iomgr/timer.c
+  - src/core/lib/iomgr/timer_heap.c
+  - src/core/lib/iomgr/udp_server.c
+  - src/core/lib/iomgr/unix_sockets_posix.c
+  - src/core/lib/iomgr/unix_sockets_posix_noop.c
+  - src/core/lib/iomgr/wakeup_fd_eventfd.c
+  - src/core/lib/iomgr/wakeup_fd_nospecial.c
+  - src/core/lib/iomgr/wakeup_fd_pipe.c
+  - src/core/lib/iomgr/wakeup_fd_posix.c
+  - src/core/lib/iomgr/workqueue_posix.c
+  - src/core/lib/iomgr/workqueue_windows.c
+  - src/core/lib/json/json.c
+  - src/core/lib/json/json_reader.c
+  - src/core/lib/json/json_string.c
+  - src/core/lib/json/json_writer.c
+  - src/core/lib/surface/alarm.c
+  - src/core/lib/surface/api_trace.c
+  - src/core/lib/surface/byte_buffer.c
+  - src/core/lib/surface/byte_buffer_reader.c
+  - src/core/lib/surface/call.c
+  - src/core/lib/surface/call_details.c
+  - src/core/lib/surface/call_log_batch.c
+  - src/core/lib/surface/channel.c
+  - src/core/lib/surface/channel_init.c
+  - src/core/lib/surface/channel_ping.c
+  - src/core/lib/surface/channel_stack_type.c
+  - src/core/lib/surface/completion_queue.c
+  - src/core/lib/surface/event_string.c
+  - src/core/lib/surface/init.c
+  - src/core/lib/surface/lame_client.c
+  - src/core/lib/surface/metadata_array.c
+  - src/core/lib/surface/server.c
+  - src/core/lib/surface/validate_metadata.c
+  - src/core/lib/surface/version.c
+  - src/core/lib/transport/byte_stream.c
+  - src/core/lib/transport/connectivity_state.c
+  - src/core/lib/transport/metadata.c
+  - src/core/lib/transport/metadata_batch.c
+  - src/core/lib/transport/static_metadata.c
+  - src/core/lib/transport/transport.c
+  - src/core/lib/transport/transport_op_string.c
+  deps:
+  - gpr
+  uses:
+  - grpc_codegen
+- name: grpc_client_config
+  headers:
+  - src/core/ext/client_config/client_channel.h
+  - src/core/ext/client_config/client_channel_factory.h
+  - src/core/ext/client_config/client_config.h
+  - src/core/ext/client_config/connector.h
+  - src/core/ext/client_config/initial_connect_string.h
+  - src/core/ext/client_config/lb_policy.h
+  - src/core/ext/client_config/lb_policy_factory.h
+  - src/core/ext/client_config/lb_policy_registry.h
+  - src/core/ext/client_config/parse_address.h
+  - src/core/ext/client_config/resolver.h
+  - src/core/ext/client_config/resolver_factory.h
+  - src/core/ext/client_config/resolver_registry.h
+  - src/core/ext/client_config/subchannel.h
+  - src/core/ext/client_config/subchannel_call_holder.h
+  - src/core/ext/client_config/subchannel_index.h
+  - src/core/ext/client_config/uri_parser.h
+  src:
+  - src/core/ext/client_config/channel_connectivity.c
+  - src/core/ext/client_config/client_channel.c
+  - src/core/ext/client_config/client_channel_factory.c
+  - src/core/ext/client_config/client_config.c
+  - src/core/ext/client_config/client_config_plugin.c
+  - src/core/ext/client_config/connector.c
+  - src/core/ext/client_config/default_initial_connect_string.c
+  - src/core/ext/client_config/initial_connect_string.c
+  - src/core/ext/client_config/lb_policy.c
+  - src/core/ext/client_config/lb_policy_factory.c
+  - src/core/ext/client_config/lb_policy_registry.c
+  - src/core/ext/client_config/parse_address.c
+  - src/core/ext/client_config/resolver.c
+  - src/core/ext/client_config/resolver_factory.c
+  - src/core/ext/client_config/resolver_registry.c
+  - src/core/ext/client_config/subchannel.c
+  - src/core/ext/client_config/subchannel_call_holder.c
+  - src/core/ext/client_config/subchannel_index.c
+  - src/core/ext/client_config/uri_parser.c
+  plugin: grpc_client_config
+  uses:
+  - grpc_base
 - name: grpc_codegen
   public_headers:
   - include/grpc/impl/codegen/byte_buffer.h
@@ -495,31 +481,214 @@ filegroups:
   - include/grpc/impl/codegen/grpc_types.h
   - include/grpc/impl/codegen/propagation_bits.h
   - include/grpc/impl/codegen/status.h
+  uses:
+  - gpr_codegen
+- name: grpc_lb_policy_grpclb
+  headers:
+  - src/core/ext/lb_policy/grpclb/load_balancer_api.h
+  - src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
+  src:
+  - src/core/ext/lb_policy/grpclb/load_balancer_api.c
+  - src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
+  uses:
+  - grpc_base
+  - grpc_client_config
+  - nanopb
+- name: grpc_lb_policy_pick_first
+  src:
+  - src/core/ext/lb_policy/pick_first/pick_first.c
+  plugin: grpc_lb_policy_pick_first
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_lb_policy_round_robin
+  src:
+  - src/core/ext/lb_policy/round_robin/round_robin.c
+  plugin: grpc_lb_policy_round_robin
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_resolver_dns_native
+  src:
+  - src/core/ext/resolver/dns/native/dns_resolver.c
+  plugin: grpc_resolver_dns_native
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_resolver_sockaddr
+  src:
+  - src/core/ext/resolver/sockaddr/sockaddr_resolver.c
+  plugin: grpc_resolver_sockaddr
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_secure
+  public_headers:
+  - include/grpc/grpc_security.h
+  headers:
+  - src/core/lib/security/auth_filters.h
+  - src/core/lib/security/b64.h
+  - src/core/lib/security/credentials.h
+  - src/core/lib/security/handshake.h
+  - src/core/lib/security/json_token.h
+  - src/core/lib/security/jwt_verifier.h
+  - src/core/lib/security/secure_endpoint.h
+  - src/core/lib/security/security_connector.h
+  - src/core/lib/security/security_context.h
+  - src/core/lib/tsi/fake_transport_security.h
+  - src/core/lib/tsi/ssl_transport_security.h
+  - src/core/lib/tsi/ssl_types.h
+  - src/core/lib/tsi/transport_security.h
+  - src/core/lib/tsi/transport_security_interface.h
+  src:
+  - src/core/lib/http/httpcli_security_connector.c
+  - src/core/lib/security/b64.c
+  - src/core/lib/security/client_auth_filter.c
+  - src/core/lib/security/credentials.c
+  - src/core/lib/security/credentials_metadata.c
+  - src/core/lib/security/credentials_posix.c
+  - src/core/lib/security/credentials_win32.c
+  - src/core/lib/security/google_default_credentials.c
+  - src/core/lib/security/handshake.c
+  - src/core/lib/security/json_token.c
+  - src/core/lib/security/jwt_verifier.c
+  - src/core/lib/security/secure_endpoint.c
+  - src/core/lib/security/security_connector.c
+  - src/core/lib/security/security_context.c
+  - src/core/lib/security/server_auth_filter.c
+  - src/core/lib/surface/init_secure.c
+  - src/core/lib/tsi/fake_transport_security.c
+  - src/core/lib/tsi/ssl_transport_security.c
+  - src/core/lib/tsi/transport_security.c
+  uses:
+  - grpc_base
+  - grpc_transport_chttp2_alpn
 - name: grpc_test_util_base
   headers:
   - test/core/end2end/cq_verifier.h
   - test/core/end2end/fixtures/proxy.h
   - test/core/iomgr/endpoint_tests.h
   - test/core/util/grpc_profiler.h
+  - test/core/util/memory_counters.h
+  - test/core/util/mock_endpoint.h
   - test/core/util/parse_hexstring.h
   - test/core/util/port.h
+  - test/core/util/port_server_client.h
   - test/core/util/slice_splitter.h
   src:
   - test/core/end2end/cq_verifier.c
   - test/core/end2end/fixtures/proxy.c
   - test/core/iomgr/endpoint_tests.c
   - test/core/util/grpc_profiler.c
+  - test/core/util/memory_counters.c
+  - test/core/util/mock_endpoint.c
   - test/core/util/parse_hexstring.c
   - test/core/util/port_posix.c
+  - test/core/util/port_server_client.c
   - test/core/util/port_windows.c
   - test/core/util/slice_splitter.c
+  deps:
+  - grpc
+  - gpr_test_util
+- name: grpc_transport_chttp2
+  headers:
+  - src/core/ext/transport/chttp2/transport/bin_encoder.h
+  - src/core/ext/transport/chttp2/transport/chttp2_transport.h
+  - src/core/ext/transport/chttp2/transport/frame.h
+  - src/core/ext/transport/chttp2/transport/frame_data.h
+  - src/core/ext/transport/chttp2/transport/frame_goaway.h
+  - src/core/ext/transport/chttp2/transport/frame_ping.h
+  - src/core/ext/transport/chttp2/transport/frame_rst_stream.h
+  - src/core/ext/transport/chttp2/transport/frame_settings.h
+  - src/core/ext/transport/chttp2/transport/frame_window_update.h
+  - src/core/ext/transport/chttp2/transport/hpack_encoder.h
+  - src/core/ext/transport/chttp2/transport/hpack_parser.h
+  - src/core/ext/transport/chttp2/transport/hpack_table.h
+  - src/core/ext/transport/chttp2/transport/http2_errors.h
+  - src/core/ext/transport/chttp2/transport/huffsyms.h
+  - src/core/ext/transport/chttp2/transport/incoming_metadata.h
+  - src/core/ext/transport/chttp2/transport/internal.h
+  - src/core/ext/transport/chttp2/transport/status_conversion.h
+  - src/core/ext/transport/chttp2/transport/stream_map.h
+  - src/core/ext/transport/chttp2/transport/timeout_encoding.h
+  - src/core/ext/transport/chttp2/transport/varint.h
+  src:
+  - src/core/ext/transport/chttp2/transport/bin_encoder.c
+  - src/core/ext/transport/chttp2/transport/chttp2_plugin.c
+  - src/core/ext/transport/chttp2/transport/chttp2_transport.c
+  - src/core/ext/transport/chttp2/transport/frame_data.c
+  - src/core/ext/transport/chttp2/transport/frame_goaway.c
+  - src/core/ext/transport/chttp2/transport/frame_ping.c
+  - src/core/ext/transport/chttp2/transport/frame_rst_stream.c
+  - src/core/ext/transport/chttp2/transport/frame_settings.c
+  - src/core/ext/transport/chttp2/transport/frame_window_update.c
+  - src/core/ext/transport/chttp2/transport/hpack_encoder.c
+  - src/core/ext/transport/chttp2/transport/hpack_parser.c
+  - src/core/ext/transport/chttp2/transport/hpack_table.c
+  - src/core/ext/transport/chttp2/transport/huffsyms.c
+  - src/core/ext/transport/chttp2/transport/incoming_metadata.c
+  - src/core/ext/transport/chttp2/transport/parsing.c
+  - src/core/ext/transport/chttp2/transport/status_conversion.c
+  - src/core/ext/transport/chttp2/transport/stream_lists.c
+  - src/core/ext/transport/chttp2/transport/stream_map.c
+  - src/core/ext/transport/chttp2/transport/timeout_encoding.c
+  - src/core/ext/transport/chttp2/transport/varint.c
+  - src/core/ext/transport/chttp2/transport/writing.c
+  plugin: grpc_chttp2_plugin
+  uses:
+  - grpc_base
+  - grpc_transport_chttp2_alpn
+- name: grpc_transport_chttp2_alpn
+  headers:
+  - src/core/ext/transport/chttp2/alpn/alpn.h
+  src:
+  - src/core/ext/transport/chttp2/alpn/alpn.c
+  deps:
+  - gpr
+- name: grpc_transport_chttp2_client_insecure
+  src:
+  - src/core/ext/transport/chttp2/client/insecure/channel_create.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_client_config
+- name: grpc_transport_chttp2_client_secure
+  src:
+  - src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_client_config
+  - grpc_secure
+- name: grpc_transport_chttp2_server_insecure
+  src:
+  - src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+- name: grpc_transport_chttp2_server_secure
+  src:
+  - src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_secure
+- name: nanopb
+  headers:
+  - third_party/nanopb/pb.h
+  - third_party/nanopb/pb_common.h
+  - third_party/nanopb/pb_decode.h
+  - third_party/nanopb/pb_encode.h
+  src:
+  - third_party/nanopb/pb_common.c
+  - third_party/nanopb/pb_decode.c
+  - third_party/nanopb/pb_encode.c
 libs:
 - name: gpr
   build: all
   language: c
   filegroups:
-  - gpr
-  - gpr_codegen
+  - gpr_base
   secure: false
   vs_project_guid: '{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}'
 - name: gpr_test_util
@@ -536,59 +705,49 @@ libs:
 - name: grpc
   build: all
   language: c
-  public_headers:
-  - include/grpc/grpc_security.h
-  headers:
-  - src/core/security/auth_filters.h
-  - src/core/security/base64.h
-  - src/core/security/credentials.h
-  - src/core/security/handshake.h
-  - src/core/security/json_token.h
-  - src/core/security/jwt_verifier.h
-  - src/core/security/secure_endpoint.h
-  - src/core/security/security_connector.h
-  - src/core/security/security_context.h
-  - src/core/tsi/fake_transport_security.h
-  - src/core/tsi/ssl_transport_security.h
-  - src/core/tsi/ssl_types.h
-  - src/core/tsi/transport_security.h
-  - src/core/tsi/transport_security_interface.h
-  src:
-  - src/core/httpcli/httpcli_security_connector.c
-  - src/core/security/base64.c
-  - src/core/security/client_auth_filter.c
-  - src/core/security/credentials.c
-  - src/core/security/credentials_metadata.c
-  - src/core/security/credentials_posix.c
-  - src/core/security/credentials_win32.c
-  - src/core/security/google_default_credentials.c
-  - src/core/security/handshake.c
-  - src/core/security/json_token.c
-  - src/core/security/jwt_verifier.c
-  - src/core/security/secure_endpoint.c
-  - src/core/security/security_connector.c
-  - src/core/security/security_context.c
-  - src/core/security/server_auth_filter.c
-  - src/core/security/server_secure_chttp2.c
-  - src/core/surface/init_secure.c
-  - src/core/surface/secure_channel_create.c
-  - src/core/tsi/fake_transport_security.c
-  - src/core/tsi/ssl_transport_security.c
-  - src/core/tsi/transport_security.c
-  deps:
-  - gpr
   baselib: true
   deps_linkage: static
   dll: true
   filegroups:
-  - grpc_codegen
   - grpc_base
+  - grpc_transport_chttp2_server_secure
+  - grpc_transport_chttp2_client_secure
+  - grpc_transport_chttp2_server_insecure
+  - grpc_transport_chttp2_client_insecure
+  - grpc_lb_policy_grpclb
+  - grpc_lb_policy_pick_first
+  - grpc_lb_policy_round_robin
+  - grpc_resolver_dns_native
+  - grpc_resolver_sockaddr
+  - grpc_secure
   - census
+  generate_plugin_registry: true
   secure: true
   vs_packages:
   - grpc.dependencies.openssl
   - grpc.dependencies.zlib
   vs_project_guid: '{29D16885-7228-4C31-81ED-5F9187C7F2A9}'
+- name: grpc_dll
+  build: private
+  language: c
+  src: []
+  deps:
+  - gpr
+  - grpc
+  build_system:
+  - visual_studio
+  deps_linkage: static
+  dll_def: grpc.def
+  vs_config_type: DynamicLibrary
+  vs_packages:
+  - grpc.dependencies.openssl
+  - grpc.dependencies.zlib
+  vs_project_guid: '{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}'
+  vs_props:
+  - zlib
+  - openssl
+  - winsock
+  - global
 - name: grpc_test_util
   build: private
   language: c
@@ -622,16 +781,21 @@ libs:
   build: all
   language: c
   src:
-  - src/core/surface/init_unsecure.c
-  deps:
-  - gpr
+  - src/core/lib/surface/init_unsecure.c
   baselib: true
   deps_linkage: static
   dll: true
   filegroups:
   - grpc_base
-  - grpc_codegen
+  - grpc_transport_chttp2_server_insecure
+  - grpc_transport_chttp2_client_insecure
+  - grpc_resolver_dns_native
+  - grpc_resolver_sockaddr
+  - grpc_lb_policy_grpclb
+  - grpc_lb_policy_pick_first
+  - grpc_lb_policy_round_robin
   - census
+  generate_plugin_registry: true
   secure: false
   vs_project_guid: '{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}'
 - name: grpc_zookeeper
@@ -639,10 +803,8 @@ libs:
   language: c
   public_headers:
   - include/grpc/grpc_zookeeper.h
-  headers:
-  - src/core/client_config/resolvers/zookeeper_resolver.h
   src:
-  - src/core/client_config/resolvers/zookeeper_resolver.c
+  - src/core/ext/resolver/zookeeper/zookeeper_resolver.c
   deps:
   - gpr
   - grpc
@@ -651,6 +813,14 @@ libs:
   platforms:
   - linux
   secure: false
+- name: one_input_fuzzer
+  build: private
+  language: c
+  src:
+  - test/core/util/one_corpus_entry_fuzzer.c
+  deps:
+  - gpr
+  secure: false
 - name: reconnect_server
   build: private
   language: c
@@ -681,6 +851,7 @@ libs:
   language: c++
   headers:
   - src/cpp/client/secure_credentials.h
+  - src/cpp/common/core_codegen.h
   - src/cpp/common/secure_auth_context.h
   - src/cpp/server/secure_server_credentials.h
   src:
@@ -716,6 +887,7 @@ libs:
   - test/cpp/util/create_test_channel.h
   - test/cpp/util/string_ref_helper.h
   - test/cpp/util/subprocess.h
+  - test/cpp/util/test_credentials_provider.h
   src:
   - src/proto/grpc/testing/echo_messages.proto
   - src/proto/grpc/testing/echo.proto
@@ -726,6 +898,7 @@ libs:
   - test/cpp/util/create_test_channel.cc
   - test/cpp/util/string_ref_helper.cc
   - test/cpp/util/subprocess.cc
+  - test/cpp/util/test_credentials_provider.cc
   deps:
   - grpc++
   - grpc_test_util
@@ -748,8 +921,6 @@ libs:
   build: protoc
   language: c++
   headers:
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - src/compiler/config.h
   - src/compiler/cpp_generator.h
   - src/compiler/cpp_generator_helpers.h
@@ -772,13 +943,12 @@ libs:
   - src/compiler/objective_c_generator.cc
   - src/compiler/python_generator.cc
   - src/compiler/ruby_generator.cc
-  deps: []
   filegroups:
-  - grpc++_codegen
-  - grpc_codegen
-  - gpr_codegen
+  - grpc++_config
   secure: false
   vs_project_guid: '{B6E81D84-2ACB-41B8-8781-493A944C7817}'
+  vs_props:
+  - protoc
 - name: interop_client_helper
   build: private
   language: c++
@@ -832,7 +1002,7 @@ libs:
   - src/proto/grpc/testing/empty.proto
   - src/proto/grpc/testing/messages.proto
   - src/proto/grpc/testing/test.proto
-  - test/cpp/interop/server.cc
+  - test/cpp/interop/server_main.cc
   deps:
   - interop_server_helper
   - grpc++_test_util
@@ -856,7 +1026,7 @@ libs:
   - test/cpp/qps/report.h
   - test/cpp/qps/server.h
   - test/cpp/qps/stats.h
-  - test/cpp/qps/timer.h
+  - test/cpp/qps/usage_timer.h
   - test/cpp/util/benchmark_config.h
   src:
   - src/proto/grpc/testing/messages.proto
@@ -874,7 +1044,7 @@ libs:
   - test/cpp/qps/report.cc
   - test/cpp/qps/server_async.cc
   - test/cpp/qps/server_sync.cc
-  - test/cpp/qps/timer.cc
+  - test/cpp/qps/usage_timer.cc
   - test/cpp/util/benchmark_config.cc
   deps:
   - grpc_test_util
@@ -958,16 +1128,6 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: census_log_test
-  build: test
-  language: c
-  src:
-  - test/core/census/log_test.c
-  deps:
-  - grpc_test_util
-  - grpc
-  - gpr_test_util
-  - gpr
 - name: channel_create_test
   build: test
   language: c
@@ -1018,6 +1178,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: client_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/client_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/client_fuzzer_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 2048
 - name: compression_test
   build: test
   language: c
@@ -1028,6 +1202,27 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: concurrent_connectivity_test
+  build: test
+  language: c
+  src:
+  - test/core/surface/concurrent_connectivity_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+- name: dns_resolver_connectivity_test
+  cpu_cost: 0.1
+  build: test
+  language: c
+  src:
+  - test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: dns_resolver_test
   build: test
   language: c
@@ -1157,6 +1352,21 @@ targets:
   src:
   - tools/codegen/core/gen_legal_metadata_characters.c
   deps: []
+- name: goaway_server_test
+  cpu_cost: 0.1
+  build: test
+  language: c
+  src:
+  - test/core/end2end/goaway_server_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  platforms:
+  - mac
+  - linux
+  - posix
 - name: gpr_avl_test
   build: test
   language: c
@@ -1165,6 +1375,14 @@ targets:
   deps:
   - gpr_test_util
   - gpr
+- name: gpr_backoff_test
+  build: test
+  language: c
+  src:
+  - test/core/support/backoff_test.c
+  deps:
+  - gpr_test_util
+  - gpr
 - name: gpr_cmdline_test
   build: test
   language: c
@@ -1189,27 +1407,27 @@ targets:
   deps:
   - gpr_test_util
   - gpr
-- name: gpr_file_test
+- name: gpr_histogram_test
   build: test
   language: c
   src:
-  - test/core/support/file_test.c
+  - test/core/support/histogram_test.c
   deps:
   - gpr_test_util
   - gpr
-- name: gpr_histogram_test
+- name: gpr_host_port_test
   build: test
   language: c
   src:
-  - test/core/support/histogram_test.c
+  - test/core/support/host_port_test.c
   deps:
   - gpr_test_util
   - gpr
-- name: gpr_host_port_test
+- name: gpr_load_file_test
   build: test
   language: c
   src:
-  - test/core/support/host_port_test.c
+  - test/core/support/load_file_test.c
   deps:
   - gpr_test_util
   - gpr
@@ -1306,11 +1524,11 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: grpc_base64_test
+- name: grpc_b64_test
   build: test
   language: c
   src:
-  - test/core/security/base64_test.c
+  - test/core/security/b64_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1450,6 +1668,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: hpack_parser_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/transport/chttp2/hpack_parser_fuzzer_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/transport/chttp2/hpack_parser_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 512
 - name: hpack_parser_test
   build: test
   language: c
@@ -1470,21 +1702,34 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: httpcli_format_request_test
+- name: http_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/http/fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/http/corpus
+  maxlen: 2048
+- name: http_parser_test
   build: test
   language: c
   src:
-  - test/core/httpcli/format_request_test.c
+  - test/core/http/parser_test.c
   deps:
   - grpc_test_util
   - grpc
   - gpr_test_util
   - gpr
-- name: httpcli_parser_test
+- name: httpcli_format_request_test
   build: test
   language: c
   src:
-  - test/core/httpcli/parser_test.c
+  - test/core/http/format_request_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1495,7 +1740,7 @@ targets:
   build: test
   language: c
   src:
-  - test/core/httpcli/httpcli_test.c
+  - test/core/http/httpcli_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1510,7 +1755,7 @@ targets:
   build: test
   language: c
   src:
-  - test/core/httpcli/httpscli_test.c
+  - test/core/http/httpscli_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1528,6 +1773,39 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: internal_api_canary_iomgr_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+- name: internal_api_canary_support_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+- name: internal_api_canary_transport_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: invalid_call_argument_test
   build: test
   language: c
@@ -1538,6 +1816,19 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: json_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/json/fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/json/corpus
+  maxlen: 512
 - name: json_rewrite
   build: test
   run: false
@@ -1589,6 +1880,7 @@ targets:
   - gpr
 - name: lb_policies_test
   cpu_cost: 0.1
+  flaky: true
   build: test
   language: c
   src:
@@ -1622,6 +1914,17 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: mlog_test
+  flaky: true
+  build: test
+  language: c
+  src:
+  - test/core/census/mlog_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: multiple_server_queues_test
   build: test
   language: c
@@ -1640,6 +1943,32 @@ targets:
   deps:
   - gpr_test_util
   - gpr
+- name: nanopb_fuzzer_response_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_response.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_response
+  maxlen: 128
+- name: nanopb_fuzzer_serverlist_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_serverlist.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_serverlist
+  maxlen: 128
 - name: no_server_test
   cpu_cost: 0.1
   build: test
@@ -1691,6 +2020,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: server_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/server_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/server_fuzzer_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 2048
 - name: server_test
   build: test
   language: c
@@ -1889,6 +2232,19 @@ targets:
   - mac
   - linux
   - posix
+- name: uri_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/client_config/uri_fuzzer_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/client_config/uri_corpus
+  maxlen: 128
 - name: uri_parser_test
   build: test
   language: c
@@ -1914,6 +2270,7 @@ targets:
   - linux
   - posix
 - name: alarm_cpp_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -1926,6 +2283,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: async_end2end_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -1972,6 +2330,7 @@ targets:
   - linux
   - posix
 - name: auth_property_iterator_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -1984,6 +2343,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: channel_arguments_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -1993,6 +2353,7 @@ targets:
   - grpc
   - gpr
 - name: cli_call_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2005,6 +2366,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: client_crash_test
+  gtest: true
   cpu_cost: 0.1
   build: test
   language: c++
@@ -2034,7 +2396,40 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: codegen_test_full
+  gtest: true
+  build: test
+  language: c++
+  src:
+  - src/proto/grpc/testing/control.proto
+  - src/proto/grpc/testing/messages.proto
+  - src/proto/grpc/testing/payloads.proto
+  - src/proto/grpc/testing/perf_db.proto
+  - src/proto/grpc/testing/services.proto
+  - src/proto/grpc/testing/stats.proto
+  - test/cpp/codegen/codegen_test_full.cc
+  deps:
+  - grpc++
+  - grpc
+  - gpr
+  filegroups:
+  - grpc++_codegen
+- name: codegen_test_minimal
+  gtest: true
+  build: test
+  language: c++
+  src:
+  - src/proto/grpc/testing/control.proto
+  - src/proto/grpc/testing/messages.proto
+  - src/proto/grpc/testing/payloads.proto
+  - src/proto/grpc/testing/perf_db.proto
+  - src/proto/grpc/testing/services.proto
+  - src/proto/grpc/testing/stats.proto
+  - test/cpp/codegen/codegen_test_minimal.cc
+  filegroups:
+  - grpc++_codegen
 - name: credentials_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2044,6 +2439,7 @@ targets:
   - grpc
   - gpr
 - name: cxx_byte_buffer_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2055,6 +2451,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: cxx_slice_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2066,6 +2463,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: cxx_string_ref_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2073,6 +2471,7 @@ targets:
   deps:
   - grpc++
 - name: cxx_time_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2084,6 +2483,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: end2end_test
+  gtest: true
   cpu_cost: 0.5
   build: test
   language: c++
@@ -2114,6 +2514,7 @@ targets:
   - linux
   - posix
 - name: generic_end2end_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2198,7 +2599,20 @@ targets:
   secure: false
   vs_config_type: Application
   vs_project_guid: '{069E9D05-B78B-4751-9252-D21EBAE7DE8E}'
+- name: grpclb_api_test
+  gtest: true
+  build: test
+  language: c++
+  src:
+  - src/proto/grpc/lb/v0/load_balancer.proto
+  - test/cpp/grpclb/grpclb_api_test.cc
+  deps:
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
 - name: hybrid_end2end_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2263,6 +2677,20 @@ targets:
   - mac
   - linux
   - posix
+- name: json_run_localhost
+  build: test
+  run: false
+  language: c++
+  src:
+  - test/cpp/qps/json_run_localhost.cc
+  deps:
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  - grpc++_test_config
 - name: metrics_client
   build: test
   run: false
@@ -2278,6 +2706,7 @@ targets:
   - gpr
   - grpc++_test_config
 - name: mock_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2321,7 +2750,23 @@ targets:
   - mac
   - linux
   - posix
+- name: qps_json_driver
+  build: test
+  run: false
+  language: c++
+  src:
+  - test/cpp/qps/qps_json_driver.cc
+  deps:
+  - qps
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  - grpc++_test_config
 - name: qps_openloop_test
+  cpu_cost: 0.5
   build: test
   language: c++
   src:
@@ -2354,14 +2799,13 @@ targets:
   - gpr_test_util
   - gpr
   - grpc++_test_config
-  exclude_configs:
-  - tsan
   platforms:
   - mac
   - linux
   - posix
 - name: qps_worker
-  build: benchmark
+  build: test
+  run: false
   language: c++
   headers:
   - test/cpp/qps/client.h
@@ -2414,6 +2858,7 @@ targets:
   - gpr
   - grpc++_test_config
 - name: secure_auth_context_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2443,6 +2888,7 @@ targets:
   - linux
   - posix
 - name: server_crash_test
+  gtest: true
   cpu_cost: 0.1
   build: test
   language: c++
@@ -2473,6 +2919,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: shutdown_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2496,6 +2943,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: streaming_throughput_test
+  gtest: true
   build: test
   language: c++
   src:
@@ -2572,6 +3020,7 @@ targets:
   - linux
   - posix
 - name: thread_stress_test
+  gtest: true
   cpu_cost: 100
   build: test
   language: c++
@@ -2585,6 +3034,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: zookeeper_test
+  gtest: true
   build: test
   run: false
   language: c++
@@ -2633,8 +3083,8 @@ vspackages:
 configs:
   asan:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
     LDFLAGS: -fsanitize=address
@@ -2643,11 +3093,11 @@ configs:
     test_environ:
       ASAN_OPTIONS: detect_leaks=1:color=always
       LSAN_OPTIONS: suppressions=tools/lsan_suppressions.txt:report_objects=1
-    timeout_multiplier: 1.5
+    timeout_multiplier: 3
   asan-noleaks:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
     LDFLAGS: -fsanitize=address
@@ -2655,13 +3105,56 @@ configs:
     compile_the_world: true
     test_environ:
       ASAN_OPTIONS: detect_leaks=0:color=always
-    timeout_multiplier: 1.5
+    timeout_multiplier: 3
+  asan-trace-cmp:
+    CC: clang
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize-coverage=trace-cmp -fsanitize=address
+      -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+    CXX: clang++
+    LD: clang
+    LDFLAGS: -fsanitize=address
+    LDXX: clang++
+    compile_the_world: true
+    test_environ:
+      ASAN_OPTIONS: detect_leaks=1:color=always
+      LSAN_OPTIONS: suppressions=tools/lsan_suppressions.txt:report_objects=1
+    timeout_multiplier: 3
   basicprof:
     CPPFLAGS: -O2 -DGRPC_BASIC_PROFILER -DGRPC_TIMERS_RDTSC
     DEFINES: NDEBUG
   dbg:
     CPPFLAGS: -O0
     DEFINES: _DEBUG DEBUG
+  easan:
+    CC: clang
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+    CXX: clang++
+    DEFINES: _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
+    LD: clang
+    LDFLAGS: -fsanitize=address
+    LDXX: clang++
+    compile_the_world: true
+    test_environ:
+      ASAN_OPTIONS: detect_leaks=1:color=always
+      LSAN_OPTIONS: suppressions=tools/lsan_suppressions.txt:report_objects=1
+    timeout_multiplier: 3
+  edbg:
+    CPPFLAGS: -O0
+    DEFINES: _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
+  etsan:
+    CC: clang
+    CPPFLAGS: -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument
+      -DGPR_NO_DIRECT_SYSCALLS
+    CXX: clang++
+    DEFINES: _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
+    LD: clang
+    LDFLAGS: -fsanitize=thread
+    LDXX: clang++
+    compile_the_world: true
+    test_environ:
+      TSAN_OPTIONS: suppressions=tools/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1
+    timeout_multiplier: 5
   gcov:
     CC: gcc
     CPPFLAGS: -O0 -fprofile-arcs -ftest-coverage -Wno-return-type
@@ -2684,9 +3177,9 @@ configs:
     valgrind: --tool=memcheck --leak-check=full
   msan:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer
-      -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument
-      -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=memory -fsanitize-memory-track-origins
+      -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
+      -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     DEFINES: NDEBUG
     LD: clang
@@ -2694,7 +3187,7 @@ configs:
       -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
     LDXX: clang++
     compile_the_world: true
-    timeout_multiplier: 2
+    timeout_multiplier: 4
   mutrace:
     CPPFLAGS: -O0
     DEFINES: _DEBUG DEBUG
@@ -2708,18 +3201,19 @@ configs:
   tsan:
     CC: clang
     CPPFLAGS: -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+      -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
-    LDFLAGS: -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+    LDFLAGS: -fsanitize=thread
     LDXX: clang++
     compile_the_world: true
     test_environ:
       TSAN_OPTIONS: suppressions=tools/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1
-    timeout_multiplier: 2
+    timeout_multiplier: 5
   ubsan:
     CC: clang
-    CPPFLAGS: -O1 -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
+    CPPFLAGS: -O1 -fsanitize-coverage=edge -fsanitize=undefined -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument
     CXX: clang++
     DEFINES: NDEBUG
     LD: clang
@@ -2775,6 +3269,37 @@ node_modules:
   - src/node/ext/server.cc
   - src/node/ext/server_credentials.cc
   - src/node/ext/timeval.cc
+openssl_fallback:
+  base_uri: https://openssl.org/source/old/1.0.2/
+  extraction_dir: openssl-1.0.2f
+  tarball: openssl-1.0.2f.tar.gz
+php_config_m4:
+  deps:
+  - grpc
+  - gpr
+  - boringssl
+  headers:
+  - src/php/ext/grpc/byte_buffer.h
+  - src/php/ext/grpc/call.h
+  - src/php/ext/grpc/call_credentials.h
+  - src/php/ext/grpc/channel.h
+  - src/php/ext/grpc/channel_credentials.h
+  - src/php/ext/grpc/completion_queue.h
+  - src/php/ext/grpc/php_grpc.h
+  - src/php/ext/grpc/server.h
+  - src/php/ext/grpc/server_credentials.h
+  - src/php/ext/grpc/timeval.h
+  src:
+  - src/php/ext/grpc/byte_buffer.c
+  - src/php/ext/grpc/call.c
+  - src/php/ext/grpc/call_credentials.c
+  - src/php/ext/grpc/channel.c
+  - src/php/ext/grpc/channel_credentials.c
+  - src/php/ext/grpc/completion_queue.c
+  - src/php/ext/grpc/php_grpc.c
+  - src/php/ext/grpc/server.c
+  - src/php/ext/grpc/server_credentials.c
+  - src/php/ext/grpc/timeval.c
 python_dependencies:
   deps:
   - grpc
diff --git a/composer.json b/composer.json
index 61f81e02bf..97b1a5cb49 100644
--- a/composer.json
+++ b/composer.json
@@ -2,13 +2,20 @@
   "name": "grpc/grpc",
   "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.6.0",
+  "version": "0.14.0",
   "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
+  "repositories": [
+    {
+      "type": "vcs",
+      "url": "https://github.com/stanley-cheung/Protobuf-PHP"
+    }
+  ],
   "require": {
     "php": ">=5.5.0",
-    "google/auth": "dev-master"
+    "datto/protobuf-php": "dev-master",
+    "google/auth": "v0.7"
   },
   "autoload": {
     "psr-4": {
diff --git a/config.m4 b/config.m4
new file mode 100644
index 0000000000..c26cb7b881
--- /dev/null
+++ b/config.m4
@@ -0,0 +1,621 @@
+PHP_ARG_ENABLE(grpc, whether to enable grpc support,
+[  --enable-grpc           Enable grpc support])
+
+if test "$PHP_GRPC" != "no"; then
+  dnl Write more examples of tests here...
+
+  dnl # --with-grpc -> add include path
+  PHP_ADD_INCLUDE(../../grpc/include)
+  PHP_ADD_INCLUDE(../../grpc/src/php/ext/grpc)
+  PHP_ADD_INCLUDE(../../grpc/third_party/boringssl/include)
+
+  LIBS="-lpthread $LIBS"
+
+  GRPC_SHARED_LIBADD="-lpthread $GRPC_SHARED_LIBADD"
+  PHP_ADD_LIBRARY(pthread)
+
+  PHP_ADD_LIBRARY(dl,,GRPC_SHARED_LIBADD)
+  PHP_ADD_LIBRARY(dl)
+
+  case $host in
+    *darwin*) ;;
+    *)
+      PHP_ADD_LIBRARY(rt,,GRPC_SHARED_LIBADD)
+      PHP_ADD_LIBRARY(rt)
+      ;;
+  esac
+
+  PHP_NEW_EXTENSION(grpc,
+    src/php/ext/grpc/byte_buffer.c \
+    src/php/ext/grpc/call.c \
+    src/php/ext/grpc/call_credentials.c \
+    src/php/ext/grpc/channel.c \
+    src/php/ext/grpc/channel_credentials.c \
+    src/php/ext/grpc/completion_queue.c \
+    src/php/ext/grpc/php_grpc.c \
+    src/php/ext/grpc/server.c \
+    src/php/ext/grpc/server_credentials.c \
+    src/php/ext/grpc/timeval.c \
+    src/core/lib/profiling/basic_timers.c \
+    src/core/lib/profiling/stap_timers.c \
+    src/core/lib/support/alloc.c \
+    src/core/lib/support/avl.c \
+    src/core/lib/support/backoff.c \
+    src/core/lib/support/cmdline.c \
+    src/core/lib/support/cpu_iphone.c \
+    src/core/lib/support/cpu_linux.c \
+    src/core/lib/support/cpu_posix.c \
+    src/core/lib/support/cpu_windows.c \
+    src/core/lib/support/env_linux.c \
+    src/core/lib/support/env_posix.c \
+    src/core/lib/support/env_win32.c \
+    src/core/lib/support/histogram.c \
+    src/core/lib/support/host_port.c \
+    src/core/lib/support/load_file.c \
+    src/core/lib/support/log.c \
+    src/core/lib/support/log_android.c \
+    src/core/lib/support/log_linux.c \
+    src/core/lib/support/log_posix.c \
+    src/core/lib/support/log_win32.c \
+    src/core/lib/support/murmur_hash.c \
+    src/core/lib/support/slice.c \
+    src/core/lib/support/slice_buffer.c \
+    src/core/lib/support/stack_lockfree.c \
+    src/core/lib/support/string.c \
+    src/core/lib/support/string_posix.c \
+    src/core/lib/support/string_win32.c \
+    src/core/lib/support/subprocess_posix.c \
+    src/core/lib/support/subprocess_windows.c \
+    src/core/lib/support/sync.c \
+    src/core/lib/support/sync_posix.c \
+    src/core/lib/support/sync_win32.c \
+    src/core/lib/support/thd.c \
+    src/core/lib/support/thd_posix.c \
+    src/core/lib/support/thd_win32.c \
+    src/core/lib/support/time.c \
+    src/core/lib/support/time_posix.c \
+    src/core/lib/support/time_precise.c \
+    src/core/lib/support/time_win32.c \
+    src/core/lib/support/tls_pthread.c \
+    src/core/lib/support/tmpfile_posix.c \
+    src/core/lib/support/tmpfile_win32.c \
+    src/core/lib/support/wrap_memcpy.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
+    src/core/lib/security/b64.c \
+    src/core/lib/security/client_auth_filter.c \
+    src/core/lib/security/credentials.c \
+    src/core/lib/security/credentials_metadata.c \
+    src/core/lib/security/credentials_posix.c \
+    src/core/lib/security/credentials_win32.c \
+    src/core/lib/security/google_default_credentials.c \
+    src/core/lib/security/handshake.c \
+    src/core/lib/security/json_token.c \
+    src/core/lib/security/jwt_verifier.c \
+    src/core/lib/security/secure_endpoint.c \
+    src/core/lib/security/security_connector.c \
+    src/core/lib/security/security_context.c \
+    src/core/lib/security/server_auth_filter.c \
+    src/core/lib/surface/init_secure.c \
+    src/core/lib/tsi/fake_transport_security.c \
+    src/core/lib/tsi/ssl_transport_security.c \
+    src/core/lib/tsi/transport_security.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
+    third_party/nanopb/pb_common.c \
+    third_party/nanopb/pb_decode.c \
+    third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
+    src/boringssl/err_data.c \
+    third_party/boringssl/crypto/aes/aes.c \
+    third_party/boringssl/crypto/aes/mode_wrappers.c \
+    third_party/boringssl/crypto/asn1/a_bitstr.c \
+    third_party/boringssl/crypto/asn1/a_bool.c \
+    third_party/boringssl/crypto/asn1/a_bytes.c \
+    third_party/boringssl/crypto/asn1/a_d2i_fp.c \
+    third_party/boringssl/crypto/asn1/a_dup.c \
+    third_party/boringssl/crypto/asn1/a_enum.c \
+    third_party/boringssl/crypto/asn1/a_gentm.c \
+    third_party/boringssl/crypto/asn1/a_i2d_fp.c \
+    third_party/boringssl/crypto/asn1/a_int.c \
+    third_party/boringssl/crypto/asn1/a_mbstr.c \
+    third_party/boringssl/crypto/asn1/a_object.c \
+    third_party/boringssl/crypto/asn1/a_octet.c \
+    third_party/boringssl/crypto/asn1/a_print.c \
+    third_party/boringssl/crypto/asn1/a_strnid.c \
+    third_party/boringssl/crypto/asn1/a_time.c \
+    third_party/boringssl/crypto/asn1/a_type.c \
+    third_party/boringssl/crypto/asn1/a_utctm.c \
+    third_party/boringssl/crypto/asn1/a_utf8.c \
+    third_party/boringssl/crypto/asn1/asn1_lib.c \
+    third_party/boringssl/crypto/asn1/asn1_par.c \
+    third_party/boringssl/crypto/asn1/asn_pack.c \
+    third_party/boringssl/crypto/asn1/bio_asn1.c \
+    third_party/boringssl/crypto/asn1/bio_ndef.c \
+    third_party/boringssl/crypto/asn1/f_enum.c \
+    third_party/boringssl/crypto/asn1/f_int.c \
+    third_party/boringssl/crypto/asn1/f_string.c \
+    third_party/boringssl/crypto/asn1/t_bitst.c \
+    third_party/boringssl/crypto/asn1/t_pkey.c \
+    third_party/boringssl/crypto/asn1/tasn_dec.c \
+    third_party/boringssl/crypto/asn1/tasn_enc.c \
+    third_party/boringssl/crypto/asn1/tasn_fre.c \
+    third_party/boringssl/crypto/asn1/tasn_new.c \
+    third_party/boringssl/crypto/asn1/tasn_prn.c \
+    third_party/boringssl/crypto/asn1/tasn_typ.c \
+    third_party/boringssl/crypto/asn1/tasn_utl.c \
+    third_party/boringssl/crypto/asn1/x_bignum.c \
+    third_party/boringssl/crypto/asn1/x_long.c \
+    third_party/boringssl/crypto/base64/base64.c \
+    third_party/boringssl/crypto/bio/bio.c \
+    third_party/boringssl/crypto/bio/bio_mem.c \
+    third_party/boringssl/crypto/bio/buffer.c \
+    third_party/boringssl/crypto/bio/connect.c \
+    third_party/boringssl/crypto/bio/fd.c \
+    third_party/boringssl/crypto/bio/file.c \
+    third_party/boringssl/crypto/bio/hexdump.c \
+    third_party/boringssl/crypto/bio/pair.c \
+    third_party/boringssl/crypto/bio/printf.c \
+    third_party/boringssl/crypto/bio/socket.c \
+    third_party/boringssl/crypto/bio/socket_helper.c \
+    third_party/boringssl/crypto/bn/add.c \
+    third_party/boringssl/crypto/bn/asm/x86_64-gcc.c \
+    third_party/boringssl/crypto/bn/bn.c \
+    third_party/boringssl/crypto/bn/bn_asn1.c \
+    third_party/boringssl/crypto/bn/cmp.c \
+    third_party/boringssl/crypto/bn/convert.c \
+    third_party/boringssl/crypto/bn/ctx.c \
+    third_party/boringssl/crypto/bn/div.c \
+    third_party/boringssl/crypto/bn/exponentiation.c \
+    third_party/boringssl/crypto/bn/gcd.c \
+    third_party/boringssl/crypto/bn/generic.c \
+    third_party/boringssl/crypto/bn/kronecker.c \
+    third_party/boringssl/crypto/bn/montgomery.c \
+    third_party/boringssl/crypto/bn/mul.c \
+    third_party/boringssl/crypto/bn/prime.c \
+    third_party/boringssl/crypto/bn/random.c \
+    third_party/boringssl/crypto/bn/rsaz_exp.c \
+    third_party/boringssl/crypto/bn/shift.c \
+    third_party/boringssl/crypto/bn/sqrt.c \
+    third_party/boringssl/crypto/buf/buf.c \
+    third_party/boringssl/crypto/bytestring/ber.c \
+    third_party/boringssl/crypto/bytestring/cbb.c \
+    third_party/boringssl/crypto/bytestring/cbs.c \
+    third_party/boringssl/crypto/chacha/chacha_generic.c \
+    third_party/boringssl/crypto/chacha/chacha_vec.c \
+    third_party/boringssl/crypto/cipher/aead.c \
+    third_party/boringssl/crypto/cipher/cipher.c \
+    third_party/boringssl/crypto/cipher/derive_key.c \
+    third_party/boringssl/crypto/cipher/e_aes.c \
+    third_party/boringssl/crypto/cipher/e_chacha20poly1305.c \
+    third_party/boringssl/crypto/cipher/e_des.c \
+    third_party/boringssl/crypto/cipher/e_null.c \
+    third_party/boringssl/crypto/cipher/e_rc2.c \
+    third_party/boringssl/crypto/cipher/e_rc4.c \
+    third_party/boringssl/crypto/cipher/e_ssl3.c \
+    third_party/boringssl/crypto/cipher/e_tls.c \
+    third_party/boringssl/crypto/cipher/tls_cbc.c \
+    third_party/boringssl/crypto/cmac/cmac.c \
+    third_party/boringssl/crypto/conf/conf.c \
+    third_party/boringssl/crypto/cpu-arm.c \
+    third_party/boringssl/crypto/cpu-intel.c \
+    third_party/boringssl/crypto/crypto.c \
+    third_party/boringssl/crypto/curve25519/curve25519.c \
+    third_party/boringssl/crypto/des/des.c \
+    third_party/boringssl/crypto/dh/check.c \
+    third_party/boringssl/crypto/dh/dh.c \
+    third_party/boringssl/crypto/dh/dh_asn1.c \
+    third_party/boringssl/crypto/dh/params.c \
+    third_party/boringssl/crypto/digest/digest.c \
+    third_party/boringssl/crypto/digest/digests.c \
+    third_party/boringssl/crypto/directory_posix.c \
+    third_party/boringssl/crypto/directory_win.c \
+    third_party/boringssl/crypto/dsa/dsa.c \
+    third_party/boringssl/crypto/dsa/dsa_asn1.c \
+    third_party/boringssl/crypto/ec/ec.c \
+    third_party/boringssl/crypto/ec/ec_asn1.c \
+    third_party/boringssl/crypto/ec/ec_key.c \
+    third_party/boringssl/crypto/ec/ec_montgomery.c \
+    third_party/boringssl/crypto/ec/oct.c \
+    third_party/boringssl/crypto/ec/p224-64.c \
+    third_party/boringssl/crypto/ec/p256-64.c \
+    third_party/boringssl/crypto/ec/p256-x86_64.c \
+    third_party/boringssl/crypto/ec/simple.c \
+    third_party/boringssl/crypto/ec/util-64.c \
+    third_party/boringssl/crypto/ec/wnaf.c \
+    third_party/boringssl/crypto/ecdh/ecdh.c \
+    third_party/boringssl/crypto/ecdsa/ecdsa.c \
+    third_party/boringssl/crypto/ecdsa/ecdsa_asn1.c \
+    third_party/boringssl/crypto/engine/engine.c \
+    third_party/boringssl/crypto/err/err.c \
+    third_party/boringssl/crypto/evp/algorithm.c \
+    third_party/boringssl/crypto/evp/digestsign.c \
+    third_party/boringssl/crypto/evp/evp.c \
+    third_party/boringssl/crypto/evp/evp_asn1.c \
+    third_party/boringssl/crypto/evp/evp_ctx.c \
+    third_party/boringssl/crypto/evp/p_dsa_asn1.c \
+    third_party/boringssl/crypto/evp/p_ec.c \
+    third_party/boringssl/crypto/evp/p_ec_asn1.c \
+    third_party/boringssl/crypto/evp/p_rsa.c \
+    third_party/boringssl/crypto/evp/p_rsa_asn1.c \
+    third_party/boringssl/crypto/evp/pbkdf.c \
+    third_party/boringssl/crypto/evp/sign.c \
+    third_party/boringssl/crypto/ex_data.c \
+    third_party/boringssl/crypto/hkdf/hkdf.c \
+    third_party/boringssl/crypto/hmac/hmac.c \
+    third_party/boringssl/crypto/lhash/lhash.c \
+    third_party/boringssl/crypto/md4/md4.c \
+    third_party/boringssl/crypto/md5/md5.c \
+    third_party/boringssl/crypto/mem.c \
+    third_party/boringssl/crypto/modes/cbc.c \
+    third_party/boringssl/crypto/modes/cfb.c \
+    third_party/boringssl/crypto/modes/ctr.c \
+    third_party/boringssl/crypto/modes/gcm.c \
+    third_party/boringssl/crypto/modes/ofb.c \
+    third_party/boringssl/crypto/obj/obj.c \
+    third_party/boringssl/crypto/obj/obj_xref.c \
+    third_party/boringssl/crypto/pem/pem_all.c \
+    third_party/boringssl/crypto/pem/pem_info.c \
+    third_party/boringssl/crypto/pem/pem_lib.c \
+    third_party/boringssl/crypto/pem/pem_oth.c \
+    third_party/boringssl/crypto/pem/pem_pk8.c \
+    third_party/boringssl/crypto/pem/pem_pkey.c \
+    third_party/boringssl/crypto/pem/pem_x509.c \
+    third_party/boringssl/crypto/pem/pem_xaux.c \
+    third_party/boringssl/crypto/pkcs8/p5_pbe.c \
+    third_party/boringssl/crypto/pkcs8/p5_pbev2.c \
+    third_party/boringssl/crypto/pkcs8/p8_pkey.c \
+    third_party/boringssl/crypto/pkcs8/pkcs8.c \
+    third_party/boringssl/crypto/poly1305/poly1305.c \
+    third_party/boringssl/crypto/poly1305/poly1305_arm.c \
+    third_party/boringssl/crypto/poly1305/poly1305_vec.c \
+    third_party/boringssl/crypto/rand/rand.c \
+    third_party/boringssl/crypto/rand/urandom.c \
+    third_party/boringssl/crypto/rand/windows.c \
+    third_party/boringssl/crypto/rc4/rc4.c \
+    third_party/boringssl/crypto/refcount_c11.c \
+    third_party/boringssl/crypto/refcount_lock.c \
+    third_party/boringssl/crypto/rsa/blinding.c \
+    third_party/boringssl/crypto/rsa/padding.c \
+    third_party/boringssl/crypto/rsa/rsa.c \
+    third_party/boringssl/crypto/rsa/rsa_asn1.c \
+    third_party/boringssl/crypto/rsa/rsa_impl.c \
+    third_party/boringssl/crypto/sha/sha1.c \
+    third_party/boringssl/crypto/sha/sha256.c \
+    third_party/boringssl/crypto/sha/sha512.c \
+    third_party/boringssl/crypto/stack/stack.c \
+    third_party/boringssl/crypto/thread.c \
+    third_party/boringssl/crypto/thread_none.c \
+    third_party/boringssl/crypto/thread_pthread.c \
+    third_party/boringssl/crypto/thread_win.c \
+    third_party/boringssl/crypto/time_support.c \
+    third_party/boringssl/crypto/x509/a_digest.c \
+    third_party/boringssl/crypto/x509/a_sign.c \
+    third_party/boringssl/crypto/x509/a_strex.c \
+    third_party/boringssl/crypto/x509/a_verify.c \
+    third_party/boringssl/crypto/x509/asn1_gen.c \
+    third_party/boringssl/crypto/x509/by_dir.c \
+    third_party/boringssl/crypto/x509/by_file.c \
+    third_party/boringssl/crypto/x509/i2d_pr.c \
+    third_party/boringssl/crypto/x509/pkcs7.c \
+    third_party/boringssl/crypto/x509/t_crl.c \
+    third_party/boringssl/crypto/x509/t_req.c \
+    third_party/boringssl/crypto/x509/t_x509.c \
+    third_party/boringssl/crypto/x509/t_x509a.c \
+    third_party/boringssl/crypto/x509/x509.c \
+    third_party/boringssl/crypto/x509/x509_att.c \
+    third_party/boringssl/crypto/x509/x509_cmp.c \
+    third_party/boringssl/crypto/x509/x509_d2.c \
+    third_party/boringssl/crypto/x509/x509_def.c \
+    third_party/boringssl/crypto/x509/x509_ext.c \
+    third_party/boringssl/crypto/x509/x509_lu.c \
+    third_party/boringssl/crypto/x509/x509_obj.c \
+    third_party/boringssl/crypto/x509/x509_r2x.c \
+    third_party/boringssl/crypto/x509/x509_req.c \
+    third_party/boringssl/crypto/x509/x509_set.c \
+    third_party/boringssl/crypto/x509/x509_trs.c \
+    third_party/boringssl/crypto/x509/x509_txt.c \
+    third_party/boringssl/crypto/x509/x509_v3.c \
+    third_party/boringssl/crypto/x509/x509_vfy.c \
+    third_party/boringssl/crypto/x509/x509_vpm.c \
+    third_party/boringssl/crypto/x509/x509cset.c \
+    third_party/boringssl/crypto/x509/x509name.c \
+    third_party/boringssl/crypto/x509/x509rset.c \
+    third_party/boringssl/crypto/x509/x509spki.c \
+    third_party/boringssl/crypto/x509/x509type.c \
+    third_party/boringssl/crypto/x509/x_algor.c \
+    third_party/boringssl/crypto/x509/x_all.c \
+    third_party/boringssl/crypto/x509/x_attrib.c \
+    third_party/boringssl/crypto/x509/x_crl.c \
+    third_party/boringssl/crypto/x509/x_exten.c \
+    third_party/boringssl/crypto/x509/x_info.c \
+    third_party/boringssl/crypto/x509/x_name.c \
+    third_party/boringssl/crypto/x509/x_pkey.c \
+    third_party/boringssl/crypto/x509/x_pubkey.c \
+    third_party/boringssl/crypto/x509/x_req.c \
+    third_party/boringssl/crypto/x509/x_sig.c \
+    third_party/boringssl/crypto/x509/x_spki.c \
+    third_party/boringssl/crypto/x509/x_val.c \
+    third_party/boringssl/crypto/x509/x_x509.c \
+    third_party/boringssl/crypto/x509/x_x509a.c \
+    third_party/boringssl/crypto/x509v3/pcy_cache.c \
+    third_party/boringssl/crypto/x509v3/pcy_data.c \
+    third_party/boringssl/crypto/x509v3/pcy_lib.c \
+    third_party/boringssl/crypto/x509v3/pcy_map.c \
+    third_party/boringssl/crypto/x509v3/pcy_node.c \
+    third_party/boringssl/crypto/x509v3/pcy_tree.c \
+    third_party/boringssl/crypto/x509v3/v3_akey.c \
+    third_party/boringssl/crypto/x509v3/v3_akeya.c \
+    third_party/boringssl/crypto/x509v3/v3_alt.c \
+    third_party/boringssl/crypto/x509v3/v3_bcons.c \
+    third_party/boringssl/crypto/x509v3/v3_bitst.c \
+    third_party/boringssl/crypto/x509v3/v3_conf.c \
+    third_party/boringssl/crypto/x509v3/v3_cpols.c \
+    third_party/boringssl/crypto/x509v3/v3_crld.c \
+    third_party/boringssl/crypto/x509v3/v3_enum.c \
+    third_party/boringssl/crypto/x509v3/v3_extku.c \
+    third_party/boringssl/crypto/x509v3/v3_genn.c \
+    third_party/boringssl/crypto/x509v3/v3_ia5.c \
+    third_party/boringssl/crypto/x509v3/v3_info.c \
+    third_party/boringssl/crypto/x509v3/v3_int.c \
+    third_party/boringssl/crypto/x509v3/v3_lib.c \
+    third_party/boringssl/crypto/x509v3/v3_ncons.c \
+    third_party/boringssl/crypto/x509v3/v3_pci.c \
+    third_party/boringssl/crypto/x509v3/v3_pcia.c \
+    third_party/boringssl/crypto/x509v3/v3_pcons.c \
+    third_party/boringssl/crypto/x509v3/v3_pku.c \
+    third_party/boringssl/crypto/x509v3/v3_pmaps.c \
+    third_party/boringssl/crypto/x509v3/v3_prn.c \
+    third_party/boringssl/crypto/x509v3/v3_purp.c \
+    third_party/boringssl/crypto/x509v3/v3_skey.c \
+    third_party/boringssl/crypto/x509v3/v3_sxnet.c \
+    third_party/boringssl/crypto/x509v3/v3_utl.c \
+    third_party/boringssl/ssl/custom_extensions.c \
+    third_party/boringssl/ssl/d1_both.c \
+    third_party/boringssl/ssl/d1_clnt.c \
+    third_party/boringssl/ssl/d1_lib.c \
+    third_party/boringssl/ssl/d1_meth.c \
+    third_party/boringssl/ssl/d1_pkt.c \
+    third_party/boringssl/ssl/d1_srtp.c \
+    third_party/boringssl/ssl/d1_srvr.c \
+    third_party/boringssl/ssl/dtls_record.c \
+    third_party/boringssl/ssl/pqueue/pqueue.c \
+    third_party/boringssl/ssl/s3_both.c \
+    third_party/boringssl/ssl/s3_clnt.c \
+    third_party/boringssl/ssl/s3_enc.c \
+    third_party/boringssl/ssl/s3_lib.c \
+    third_party/boringssl/ssl/s3_meth.c \
+    third_party/boringssl/ssl/s3_pkt.c \
+    third_party/boringssl/ssl/s3_srvr.c \
+    third_party/boringssl/ssl/ssl_aead_ctx.c \
+    third_party/boringssl/ssl/ssl_asn1.c \
+    third_party/boringssl/ssl/ssl_buffer.c \
+    third_party/boringssl/ssl/ssl_cert.c \
+    third_party/boringssl/ssl/ssl_cipher.c \
+    third_party/boringssl/ssl/ssl_file.c \
+    third_party/boringssl/ssl/ssl_lib.c \
+    third_party/boringssl/ssl/ssl_rsa.c \
+    third_party/boringssl/ssl/ssl_session.c \
+    third_party/boringssl/ssl/ssl_stat.c \
+    third_party/boringssl/ssl/t1_enc.c \
+    third_party/boringssl/ssl/t1_lib.c \
+    third_party/boringssl/ssl/tls_record.c \
+    , $ext_shared, , -Wall -Werror \
+    -Wno-parentheses-equality -Wno-unused-value -std=c11 \
+    -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN \
+    -D_HAS_EXCEPTIONS=0 -DNOMINMAX)
+
+  PHP_ADD_BUILD_DIR($ext_builddir/src/php/ext/grpc)
+
+  PHP_ADD_BUILD_DIR($ext_builddir/src/boringssl)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/census)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/client_config)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/pick_first)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/round_robin)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/dns/native)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/sockaddr)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/alpn)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/insecure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/secure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/insecure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/secure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/transport)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/channel)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/compression)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/debug)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/http)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/iomgr)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/json)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/profiling)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/security)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/support)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/surface)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/transport)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/tsi)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/plugin_registry)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/aes)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/asn1)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/base64)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/bio)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/bn)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/bn/asm)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/buf)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/bytestring)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/chacha)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/cipher)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/cmac)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/conf)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/curve25519)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/des)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/dh)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/digest)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/dsa)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/ec)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/ecdh)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/ecdsa)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/engine)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/err)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/evp)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/hkdf)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/hmac)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/lhash)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/md4)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/md5)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/modes)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/obj)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/pem)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/pkcs8)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/poly1305)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/rand)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/rc4)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/rsa)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/sha)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/stack)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/x509)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/x509v3)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/ssl)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/ssl/pqueue)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/nanopb)
+fi
diff --git a/doc/binary-logging.md b/doc/binary-logging.md
new file mode 100644
index 0000000000..69020d9828
--- /dev/null
+++ b/doc/binary-logging.md
@@ -0,0 +1,59 @@
+# Binary Logging
+
+## Format
+
+The log format is described in [this proto file](src/proto/grpc/binary_log/v1alpha/log.proto). It is intended that multiple parts of the call will be logged in separate files, and then correlated by analysis tools using the rpc\_id.
+
+## API
+
+The binary logger will be a separate library from gRPC, in each language that we support. The user will need to explicitly call into the library to generate logs. The library will provide the ability to log sending or receiving, as relevant, the following on both the client and the server:
+
+ - Initial metadata
+ - Messages
+ - Status with trailing metadata from the server
+ - Additional key/value pairs that are associated with a call but not sent over the wire
+
+The following is an example of what such an API could look like in C++:
+
+```c++
+// The context provides the method_name, deadline, peer, and metadata contents.
+// direction = CLIENT_SEND
+LogRequestHeaders(ClientContext context);
+// direction = SERVER_RECV
+LogRequestHeaders(ServerContext context);
+
+// The context provides the metadata contents
+// direction = CLIENT_RECV
+LogResponseHeaders(ClientContext context);
+// direction = SERVER_SEND
+LogResponseHeaders(ServerContext context);
+
+// The context provides the metadata contents
+// direction = CLIENT_RECV
+LogStatus(ClientContext context, grpc_status_code code, string details);
+// direction = SERVER_SEND
+LogStatus(ServerContext context, grpc_status_code code, string details);
+
+// The context provides the user data contents
+// direction = CLIENT_SEND
+LogUserData(ClientContext context);
+// direction = SERVER_SEND
+LogUserData(ServerContext context);
+
+// direction = CLIENT_SEND
+LogRequestMessage(ClientContext context, uint32_t length, T message);
+// direction = SERVER_RECV
+LogRequestMessage(ServerContext context, uint32_t length, T message);
+// direction = CLIENT_RECV
+LogResponseMessage(ClientContext context, uint32_t length, T message);
+// direction = SERVER_SEND
+LogResponseMessage(ServerContext context, uint32_t length, T message);
+```
+
+In all of those cases, the `rpc_id` is provided by the context, and each combination of method and context argument type implies a single direction, as noted in the comments.
+
+For the message log functions, the `length` argument indicates the length of the complete message, and the `message` argument may be only part of the complete message, stripped of sensitive material and/or shortened for efficiency.
+
+## Language differences
+
+In other languages, more or less data will need to be passed explicitly as separate arguments. In some languages, for example, the metadata will be separate from the context-like object and will need to be passed as a separate argument.
diff --git a/doc/health-checking.md b/doc/health-checking.md
index 0b3f9c6a03..92512e942b 100644
--- a/doc/health-checking.md
+++ b/doc/health-checking.md
@@ -26,7 +26,7 @@ The server should export a service defined in the following proto:
 ```
 syntax = "proto3";
 
-package grpc.health.v1alpha;
+package grpc.health.v1;
 
 message HealthCheckRequest {
   string service = 1;
@@ -49,7 +49,7 @@ service Health {
 A client can query the server’s health status by calling the `Check` method, and
 a deadline should be set on the rpc. The client can optionally set the service
 name it wants to query for health status. The suggested format of service name
-is `package_names.ServiceName`, such as `grpc.health.v1alpha.Health`.
+is `package_names.ServiceName`, such as `grpc.health.v1.Health`.
 
 The server should register all the services manually and set
 the individual status, including an empty service name and its status. For each
diff --git a/doc/interop-test-descriptions.md b/doc/interop-test-descriptions.md
index e618e967ee..6297b5cc3e 100644
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md
@@ -2,9 +2,8 @@ Interoperability Test Case Descriptions
 =======================================
 
 Client and server use
-[test.proto](https://github.com/grpc/grpc/blob/master/test/proto/test.proto)
-and the [gRPC over HTTP/2 v2
-protocol](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md).
+[test.proto](../src/proto/grpc/testing/test.proto)
+and the [gRPC over HTTP/2 v2 protocol](./PROTOCOL-HTTP2.md).
 
 Client
 ------
@@ -28,7 +27,7 @@ Clients should accept these arguments:
     * Whether to use a plaintext or encrypted connection
 * --use_test_ca=BOOLEAN
     * Whether to replace platform root CAs with
-      [ca.pem](https://github.com/grpc/grpc/blob/master/src/core/tsi/test_creds/ca.pem)
+      [ca.pem](https://github.com/grpc/grpc/blob/master/src/core/lib/tsi/test_creds/ca.pem)
       as the CA root
 * --default_service_account=ACCOUNT_EMAIL
     * Email of the GCE default service account. Only applicable
@@ -921,7 +920,7 @@ Servers should accept these arguments:
     * Whether to use a plaintext or encrypted connection
 
 Servers must support TLS with ALPN. They should use
-[server1.pem](https://github.com/grpc/grpc/blob/master/src/core/tsi/test_creds/server1.pem)
+[server1.pem](https://github.com/grpc/grpc/blob/master/src/core/lib/tsi/test_creds/server1.pem)
 for their certificate.
 
 ### EmptyCall
diff --git a/doc/load-balancing.md b/doc/load-balancing.md
new file mode 100644
index 0000000000..681be02a72
--- /dev/null
+++ b/doc/load-balancing.md
@@ -0,0 +1,97 @@
+Load Balancing in gRPC
+=======================
+
+# Objective
+
+To design a load balancing API between a gRPC client and a Load Balancer to
+instruct the client how to send load to multiple backend servers. 
+
+# Background
+
+Prior to any gRPC specifics, we explore some usual ways to approach load
+balancing.
+
+### Proxy Model
+
+Using a proxy provides a solid trustable client that can report load to the load
+balancing system. Proxies typically require more resources to operate since they
+have temporary copies of the RPC request and response. This model also increases
+latency to the RPCs.
+
+The proxy model was deemed inefficient when considering request heavy services
+like storage. 
+
+### Balancing-aware Client
+
+This thicker client places more of the load balancing logic in the client. For
+example, the client could contain many load balancing policies (Round Robin,
+Random, etc) used to select servers from a list. In this model, a list of
+servers would be either statically configured in the client, provided by the
+name resolution system, an external load balancer, etc. In any case, the client
+is responsible for choosing the preferred server from the list. 
+
+One of the drawbacks of this approach is writing and maintaining the load
+balancing policies in multiple languages and/or versions of the clients. These
+policies can be fairly complicated. Some of the algorithms also require client
+to server communication so the client would need to get thicker to support
+additional RPCs to get health or load information in addition to sending RPCs
+for user requests.
+
+It would also significantly complicate the client's code: the new design hides
+the load balancing complexity of multiple layers and presents it as a simple
+list of servers to the client.
+
+### External Load Balancing Service
+
+The client load balancing code is kept simple and portable, implementing
+well-known algorithms (ie, Round Robin) for server selection.
+Complex load balancing algorithms are instead provided by the load balancer. The
+client relies on the load balancer to provide _load balancing configuration_ and
+_the list of servers_ to which the client should send requests. The balancer
+updates the server list as needed to balance the load as well as handle server
+unavailability or health issues. The load balancer will make any necessary
+complex decisions and inform the client. The load balancer may communicate with
+the backend servers to collect load and health information.
+
+# Proposed Architecture
+
+The gRPC load balancing approach follows the third approach, by having an
+external load balancer which provides simple clients with a list of servers.
+
+## Client
+
+When establishing a gRPC stream to the balancer, the client will send an initial
+request to the load balancer (via a regular gRPC message). The load balancer
+will respond with client config (including, for example, settings for flow
+control, RPC deadlines, etc.) or a redirect to another load balancer. If the
+balancer did not redirect the client, it will then send a list of servers to the
+client. The client will contain simple load balancing logic for choosing the
+next server when it needs to send a request.
+
+## Load Balancer
+
+The Load Balancer is responsible for providing the client with a list of servers
+and client RPC parameters. The balancer chooses when to update the list of
+servers and can decide whether to provide a complete list, a subset, or a
+specific list of “picked� servers in a particular order. The balancer can
+optionally provide an expiration interval after which the server list should no
+longer be trusted and should be updated by the balancer.
+
+The load balancer may open reporting streams to each server contained in the
+server list. These streams are primarily used for load reporting. For example,
+Weighted Round Robin requires that the servers report utilization to the load
+balancer in order to compute the next list of servers.
+
+## Server
+
+The gRPC Server is responsible for answering RPC requests and providing
+responses to the client. The server will also report load to the load balancer
+if a reporting stream was opened for this purpose.
+
+### Security 
+
+The load balancer may be separate from the actual server backends and a
+compromise of the load balancer should only lead to a compromise of the
+loadbalancing functionality. In other words, a compromised load balancer should
+not be able to cause a client to trust a (potentially malicious) backend server
+any more than in a comparable situation without loadbalancing. 
diff --git a/examples/README.md b/examples/README.md
index 84ec80057e..287a80266c 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -1,450 +1,27 @@
+# Examples
 
-# Getting started
+This directory contains code examples for all the C-based gRPC implementations: C++, Node.js, Python, Ruby, Objective-C, PHP, and C#. You can find examples and instructions specific to your
+favourite language in the relevant subdirectory.
+
+Examples for Go and Java gRPC live in their own repositories:
 
-Welcome to the developer documentation for gRPC, a language-neutral,
-platform-neutral remote procedure call (RPC) system developed at Google.
+* [Java](https://github.com/grpc/grpc-java/tree/master/examples)
+* [Android Java](https://github.com/grpc/grpc-java/tree/master/examples/android)
+* [Go](https://github.com/grpc/grpc-go/tree/master/examples)
 
-This document introduces you to gRPC with a quick overview and a simple
-Hello World example. You'll find more tutorials and reference docs in this repository - more documentation is coming soon!
+For more comprehensive documentation, including an [overview](http://www.grpc.io/docs/) and tutorials that use this example code, visit [grpc.io](http://www.grpc.io/docs/).
 
-<a name="quickstart"></a>
 ## Quick start
-You can find quick start guides for each language, including installation instructions, examples, and tutorials here:
+
+Each example directory has quick start instructions for the appropriate language, including installation instructions and how to run our simplest Hello World example:
+
 * [C++](cpp)
-* [Java](https://github.com/grpc/grpc-java/tree/master/examples)
-* [Go](https://github.com/grpc/grpc-go/tree/master/examples)
 * [Ruby](ruby)
 * [Node.js](node)
-* [Android Java](https://github.com/grpc/grpc-java/tree/master/examples/android)
 * [Python](python/helloworld)
 * [C#](csharp)
 * [Objective-C](objective-c/helloworld)
 * [PHP](php)
 
-## What's in this repository?
-
-The `examples` directory contains documentation, resources, and examples
-for all gRPC users. You can find examples and instructions specific to your
-favourite language in the relevant subdirectory.
-
-You can find out about the gRPC source code repositories in
-[`grpc`](https://github.com/grpc/grpc). Each repository provides instructions
-for building the appropriate libraries for your language.
-
-
-## What is gRPC?
-
-In gRPC a *client* application can directly call
-methods on a *server* application on a different machine as if it was a
-local object, making it easier for you to create distributed applications and
-services. As in many RPC systems, gRPC is based around the idea of defining
-a *service*, specifying the methods that can be called remotely with their
-parameters and return types. On the server side, the server implements this
-interface and runs a gRPC server to handle client calls. On the client side,
-the client has a *stub* that provides exactly the same methods as the server.
-
-<!--TODO: diagram-->
-
-gRPC clients and servers can run and talk to each other in a variety of
-environments - from servers inside Google to your own desktop - and can
-be written in any of gRPC's [supported languages](#quickstart). So, for
-example, you can easily create a gRPC server in Java with clients in Go,
-Python, or Ruby. In addition, the latest Google APIs will have gRPC versions
-of their interfaces, letting you easily build Google functionality into
-your applications.
-
-<a name="protocolbuffers"></a>
-### Working with protocol buffers
-
-By default gRPC uses *protocol buffers*, Google’s
-mature open source mechanism for serializing structured data (although it
-can be used with other data formats such as JSON). As you'll
-see in our example below, you define gRPC services using *proto files*,
-with method parameters and return types specified as protocol buffer message
-types. You
-can find out lots more about protocol buffers in the [Protocol Buffers
-documentation](https://developers.google.com/protocol-buffers/docs/overview).
-
-#### Protocol buffer versions
-
-While protocol buffers have been available for open source users for some
-time, our examples use a new flavour of protocol buffers called proto3,
-which has a slightly simplified syntax, some useful new features, and supports
-lots more languages. This is currently available as an alpha release in
-Java, C++, Java_nano (Android Java), Python, and Ruby from [the protocol buffers Github
-repo](https://github.com/google/protobuf/releases), as well as a Go language
-generator from [the golang/protobuf Github repo](https://github.com/golang/protobuf), with more languages in development. You can find out more in the [proto3 language guide](https://developers.google.com/protocol-buffers/docs/proto3), and see
-the major differences from the current default version in the [release notes](https://github.com/google/protobuf/releases). More proto3 documentation is coming soon.
-
-In general, while you *can* use proto2 (the current default protocol buffers version), we recommend that you use proto3 with gRPC as it lets you use the full range of gRPC-supported languages, as well as avoiding compatibility
-issues with proto2 clients talking to proto3 servers and vice versa.
-
-<a name="hello"></a>
-## Hello gRPC!
-
-Now that you know a bit more about gRPC, the easiest way to see how it
-works is to look at a simple example. Our Hello World walks you through the
-construction of a simple gRPC client-server application, showing you how to:
-
-- Create a protocol buffers schema that defines a simple RPC service with
-a single
-Hello World method.
-- Create a Java server that implements this interface.
-- Create a Java client that accesses the Java server.
-- Create a Go client that accesses
-the same Java server.
-
-The complete code for the example is available in the `examples`
-directory. We use the Git versioning system for source code management:
-however, you don't need to know anything about Git to follow along other
-than how to install and run a few git commands.
-
-This is an introductory example rather than a comprehensive tutorial, so
-don't worry if you're not a Go or
-Java developer - the concepts are similar for all languages, and you can
-find more implementations of our Hello World example in other languages (and full tutorials where available) in
-the [language-specific folders](#quickstart) in this repository. Complete tutorials and
-reference documentation for all gRPC languages are coming soon.
-
-<a name="setup"></a>
-### Setup
-
-This section explains how to set up your local machine to work with
-the example code. If you just want to read the example, you can go straight
-to the [next step](#servicedef).
-
-#### Install Git
-
-You can download and install Git from http://git-scm.com/download. Once
-installed you should have access to the git command line tool. The main
-commands that you will need to use are:
-
-- git clone ... : clone a remote repository onto your local machine
-- git checkout ... : check out a particular branch or a tagged version of
-the code to hack on
-
-#### Install gRPC
-
-To build and install gRPC plugins and related tools:
-- For Java, see the [Java quick start](https://github.com/grpc/grpc-java).
-- For Go, see the [Go quick start](https://github.com/grpc/grpc-go).
-
-#### Get the source code
-
-The example code for our Java example lives in the `grpc-java`
-GitHub repository. Clone this repository to your local machine by running the
-following command:
-
-
-```
-git clone https://github.com/grpc/grpc-java.git
-```
-
-Change your current directory to grpc-java/examples
-
-```
-cd grpc-java/examples
-```
-
-
-
-<a name="servicedef"></a>
-### Defining a service
-
-The first step in creating our example is to define a *service*: an RPC
-service specifies the methods that can be called remotely with their parameters
-and return types. As you saw in the
-[overview](#protocolbuffers) above, gRPC does this using [protocol
-buffers](https://developers.google.com/protocol-buffers/docs/overview). We
-use the protocol buffers interface definition language (IDL) to define our
-service methods, and define the parameters and return
-types as protocol buffer message types. Both the client and the
-server use interface code generated from the service definition.
-
-Here's our example service definition, defined using protocol buffers IDL in
-[helloworld.proto](https://github.com/grpc/grpc-java/tree/master/examples/src/main/proto). The `Greeter`
-service has one method, `SayHello`, that lets the server receive a single
-`HelloRequest`
-message from the remote client containing the user's name, then send back
-a greeting in a single `HelloReply`. This is the simplest type of RPC you
-can specify in gRPC - you can find out about other types in the tutorial for your chosen language.
-
-```proto
-syntax = "proto3";
-
-option java_package = "io.grpc.examples";
-
-package helloworld;
-
-// The greeter service definition.
-service Greeter {
-  // Sends a greeting
-  rpc SayHello (HelloRequest) returns (HelloReply) {}
-}
-
-// The request message containing the user's name.
-message HelloRequest {
-  string name = 1;
-}
-
-// The response message containing the greetings
-message HelloReply {
-  string message = 1;
-}
-
-```
-
-<a name="generating"></a>
-### Generating gRPC code
-
-Once we've defined our service, we use the protocol buffer compiler
-`protoc` to generate the special client and server code we need to create
-our application - right now we're going to generate Java code, though you
-can generate gRPC code in any gRPC-supported language (as you'll see later
-in this example). The generated code contains both stub code for clients to
-use and an abstract interface for servers to implement, both with the method
-defined in our `Greeter` service.
-
-(If you didn't install the gRPC plugins and protoc on your system and are just reading along with
-the example, you can skip this step and move
-onto the next one where we examine the generated code.)
-
-For simplicity, we've provided a [Gradle build file](https://github.com/grpc/grpc-java/blob/master/examples/build.gradle) with our Java examples that runs `protoc` for you with the appropriate plugin, input, and output:
-
-```shell
-../gradlew build
-```
-
-This generates the following classes from our .proto, which contain all the generated code
-we need to create our example:
-
-- `Helloworld.java`, which
-has all the protocol buffer code to populate, serialize, and retrieve our
-`HelloRequest` and `HelloReply` message types
-- `GreeterGrpc.java`, which contains (along with some other useful code):
-    - an interface for `Greeter` servers to implement
-
-    ```java
-  public static interface Greeter {
-      public void sayHello(io.grpc.examples.Helloworld.HelloRequest request,
-          io.grpc.stub.StreamObserver<io.grpc.examples.Helloworld.HelloReply> responseObserver);
-  }
-    ```
-
-    - _stub_ classes that clients can use to talk to a `Greeter` server. As you can see, they also implement the `Greeter` interface.
-
-  ```java
-  public static class GreeterStub extends
-      io.grpc.stub.AbstractStub<GreeterStub, GreeterServiceDescriptor>
-      implements Greeter {
-   ...
-  }
-  ```
-
-<a name="server"></a>
-### Writing a server
-
-Now let's write some code! First we'll create a server application to implement
-our service. Note that we're not going to go into a lot of detail about how
-to create a server in this section. More detailed information will be in the
-tutorial for your chosen language: check if there's one available yet in the relevant [quick start](#quickstart).
-
-Our server application has two classes:
-
-- a main server class that hosts the service implementation and allows access over the
-network: [HelloWorldServer.java](https://github.com/grpc/grpc-java/blob/master/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldServer.java).
-
-
-- a simple service implementation class [GreeterImpl.java](https://github.com/grpc/grpc-java/blob/master/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldServer.java#L51).
-
-
-#### Service implementation
-
-[GreeterImpl.java](https://github.com/grpc/grpc-java/blob/master/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldServer.java#L51)
-actually implements our `Greeter` service's required behaviour.
-
-As you can see, the class `GreeterImpl` implements the interface
-`GreeterGrpc.Greeter` that we [generated](#generating) from our proto
-[IDL](https://github.com/grpc/grpc-java/tree/master/examples/src/main/proto) by implementing the method `sayHello`:
-
-```java
-    @Override
-    public void sayHello(HelloRequest req, StreamObserver<HelloReply> responseObserver) {
-      HelloReply reply = HelloReply.newBuilder().setMessage("Hello " + req.getName()).build();
-      responseObserver.onValue(reply);
-      responseObserver.onCompleted();
-    }
-```
-- `sayHello` takes two parameters:
-    - `HelloRequest`: the request
-    - `StreamObserver<HelloReply>`: a response observer, which is
-    a special interface for the server to call with its response
-
-To return our response to the client and complete the call:
-
-1. We construct and populate a `HelloReply` response object with our exciting
-message, as specified in our interface definition.
-2. We return the `HelloReply` to the client and then specify that we've finished dealing with the RPC.
-
-
-#### Server implementation
-
-[HelloWorldServer.java](https://github.com/grpc/grpc-java/blob/master/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldServer.java)
-shows the other main feature required to provide a gRPC service; making the service
-implementation available from the network.
-
-```java
-  /* The port on which the server should run */
-  private int port = 50051;
-  private ServerImpl server;
-
-  private void start() throws Exception {
-    server = NettyServerBuilder.forPort(port)
-        .addService(GreeterGrpc.bindService(new GreeterImpl()))
-        .build().start();
-    logger.info("Server started, listening on " + port);
-    Runtime.getRuntime().addShutdownHook(new Thread() {
-      @Override
-      public void run() {
-        // Use stderr here since the logger may have been reset by its JVM shutdown hook.
-        System.err.println("*** shutting down gRPC server since JVM is shutting down");
-        HelloWorldServer.this.stop();
-        System.err.println("*** server shut down");
-      }
-    });
-  }
-
-```
-
-Here we create an appropriate gRPC server, binding the `Greeter` service
-implementation that we created to a port. Then we start the server running: the server is now ready to receive
-requests from `Greeter` service clients on our specified port. We'll cover
-how all this works in a bit more detail in our language-specific documentation.
-
-<a name="client"></a>
-### Writing a client
-
-Client-side gRPC is pretty simple. In this step, we'll use the generated code
-to write a simple client that can access the `Greeter` server we created
-in the [previous section](#server). You can see the complete client code in
-[HelloWorldClient.java](https://github.com/grpc/grpc-java/blob/master/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldClient.java).
-
-Again, we're not going to go into much detail about how to implement a client;
-we'll leave that for the tutorial.
-
-#### Connecting to the service
-
-First let's look at how we connect to the `Greeter` server. First we need
-to create a gRPC channel, specifying the hostname and port of the server we
-want to connect to. Then we use the channel to construct the stub instance.
-
-
-```java
-  private final ChannelImpl channel;
-  private final GreeterGrpc.GreeterBlockingStub blockingStub;
-
-  public HelloWorldClient(String host, int port) {
-    channel =
-        NettyChannelBuilder.forAddress(host, port).negotiationType(NegotiationType.PLAINTEXT)
-            .build();
-    blockingStub = GreeterGrpc.newBlockingStub(channel);
-  }
-
-```
-
-In this case, we create a blocking stub. This means that the RPC call waits
-for the server to respond, and will either return a response or raise an
-exception. gRPC Java has other kinds of stubs that make non-blocking calls
-to the server, where the response is returned asynchronously.
-
-#### Calling an RPC
-
-Now we can contact the service and obtain a greeting:
-
-1. We construct and fill in a `HelloRequest` to send to the service.
-2. We call the stub's `hello()` RPC with our request and get a `HelloReply`
-back, from which we can get our greeting.
-
-
-```java
-    HelloRequest req = HelloRequest.newBuilder().setName(name).build();
-    HelloReply reply = blockingStub.sayHello(req);
-
-```
-
-<a name="run"></a>
-### Try it out!
-
-Our [Gradle build file](https://github.com/grpc/grpc-java/blob/master/examples/build.gradle) simplifies building and running the examples.
-
-You can build and run the server from the `grpc-java` root folder with:
-
-```sh
-$ ./gradlew :grpc-examples:helloWorldServer
-```
-
-and in another terminal window confirm that it receives a message.
-
-```sh
-$  ./gradlew :grpc-examples:helloWorldClient
-```
-
-### Adding another client
-
-Finally, let's look at one of gRPC's most useful features - interoperability
-between code in different languages. So far, we've just looked at Java code
-generated from and implementing our `Greeter` service definition. However,
-as you'll see if you look at the language-specific subdirectories
-in this repository, we've also generated and implemented `Greeter`
-in some of gRPC's other supported languages. Each service
-and client uses interface code generated from the same proto
-that we used for the Java example.
-
-So, for example, if we visit the [`go` example
-directory](https://github.com/grpc/grpc-go/tree/master/examples) and look at the
-[`greeter_client`](https://github.com/grpc/grpc-go/blob/master/examples/greeter_client/main.go),
-we can see that like the Java client, it connects to a `Greeter` service
-at `localhost:50051` and uses a stub to call the `SayHello` method with a
-`HelloRequest`:
-
-```go
-const (
-	address = "localhost:50051"
-	defaultName = "world"
-)
-
-func main() {
-	// Set up a connection to the server.
-	conn, err := grpc.Dial(address)
-	if err != nil {
-		log.Fatalf("did not connect: %v", err)
-	}
-	defer conn.Close()
-	c := pb.NewGreeterClient(conn)
-
-	// Contact the server and print out its response.
-	name := defaultName
-	if len(os.Args) > 1 {
-		name = os.Args[1]
-	}
-	r, err := c.SayHello(context.Background(), &pb.HelloRequest{Name:
-	name})
-	if err != nil {
-		log.Fatalf("could not greet: %v", err)
-	}
-	log.Printf("Greeting: %s", r.Message)
-}
-```
-
-
-If we run the Java server from earlier in another terminal window, we can
-run the Go client and connect to it just like the Java client, even though
-it's written in a different language.
 
-```
-$ greeter_client
-```
-## Read more!
 
-- You can find links to language-specific tutorials, examples, and other docs in each language's [quick start](#quickstart).
-- [gRPC Authentication Support](doc/grpc-auth-support.md) introduces authentication support in gRPC with supported mechanisms and examples.
diff --git a/examples/cpp/README.md b/examples/cpp/README.md
index 85c495099b..d93cbacf7b 100644
--- a/examples/cpp/README.md
+++ b/examples/cpp/README.md
@@ -2,7 +2,7 @@
 
 ## Installation
 
-To install gRPC on your system, follow the instructions [here](../../INSTALL).
+To install gRPC on your system, follow the instructions to build from source [here](../../INSTALL.md). This also installs the protocol buffer compiler `protoc` (if you don't have it already), and the C++ gRPC plugin for `protoc`.
 
 ## Hello C++ gRPC!
 
@@ -23,21 +23,6 @@ Change your current directory to examples/cpp/helloworld
 $ cd examples/cpp/helloworld/
 ```
 
-
-### Generating gRPC code
-
-To generate the client and server side interfaces:
-
-```sh
-$ make helloworld.grpc.pb.cc helloworld.pb.cc
-```
-Which internally invokes the proto-compiler as:
-
-```sh
-$ protoc -I ../../protos/ --grpc_out=. --plugin=protoc-gen-grpc=grpc_cpp_plugin ../../protos/helloworld.proto
-$ protoc -I ../../protos/ --cpp_out=. ../../protos/helloworld.proto
-```
-
 ### Client and server implementations
 
 The client implementation is at [greeter_client.cc](helloworld/greeter_client.cc).
diff --git a/examples/cpp/cpptutorial.md b/examples/cpp/cpptutorial.md
index cd1cddb111..ef9ca99c0f 100644
--- a/examples/cpp/cpptutorial.md
+++ b/examples/cpp/cpptutorial.md
@@ -91,7 +91,7 @@ message Point {
 
 Next we need to generate the gRPC client and server interfaces from our .proto service definition. We do this using the protocol buffer compiler `protoc` with a special gRPC C++ plugin.
 
-For simplicity, we've provided a [makefile](route_guide/Makefile) that runs `protoc` for you with the appropriate plugin, input, and output (if you want to run this yourself, make sure you've installed protoc and followed the gRPC code [installation instructions](../../INSTALL) first):
+For simplicity, we've provided a [makefile](route_guide/Makefile) that runs `protoc` for you with the appropriate plugin, input, and output (if you want to run this yourself, make sure you've installed protoc and followed the gRPC code [installation instructions](../../INSTALL.md) first):
 
 ```shell
 $ make route_guide.grpc.pb.cc route_guide.pb.cc
diff --git a/examples/cpp/helloworld/Makefile b/examples/cpp/helloworld/Makefile
index b785612935..4b1867e292 100644
--- a/examples/cpp/helloworld/Makefile
+++ b/examples/cpp/helloworld/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/cpp/helloworld/README.md b/examples/cpp/helloworld/README.md
index 90f3d6b147..04283eabc3 100644
--- a/examples/cpp/helloworld/README.md
+++ b/examples/cpp/helloworld/README.md
@@ -2,7 +2,7 @@
 
 ### Install gRPC
 Make sure you have installed gRPC on your system. Follow the instructions here:
-[https://github.com/grpc/grpc/blob/master/INSTALL](../../../INSTALL).
+[https://github.com/grpc/grpc/blob/master/INSTALL](../../../INSTALL.md).
 
 ### Get the tutorial source code
 
@@ -207,7 +207,7 @@ completion queue to return the tag. The basic flow is
     helloworld::Greeter::AsyncService service;
     ServerBuilder builder;
     builder.AddListeningPort("0.0.0.0:50051", InsecureServerCredentials());
-    builder.RegisterAsyncService(&service);
+    builder.RegisterService(&service);
     auto cq = builder.AddCompletionQueue();
     auto server = builder.BuildAndStart();
     ```
diff --git a/examples/cpp/helloworld/greeter_async_server.cc b/examples/cpp/helloworld/greeter_async_server.cc
index c9b1a67e95..64e065b1e4 100644
--- a/examples/cpp/helloworld/greeter_async_server.cc
+++ b/examples/cpp/helloworld/greeter_async_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/cpp/route_guide/Makefile b/examples/cpp/route_guide/Makefile
index 3f8a5982b4..0fbb0a8929 100644
--- a/examples/cpp/route_guide/Makefile
+++ b/examples/cpp/route_guide/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/helloworld/.nuget/packages.config b/examples/csharp/helloworld/.nuget/packages.config
index 1cbe7e1d65..0f89a66e25 100644
--- a/examples/csharp/helloworld/.nuget/packages.config
+++ b/examples/csharp/helloworld/.nuget/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Grpc.Tools" version="0.12.0" />
+  <package id="Grpc.Tools" version="0.13.1" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/Greeter.csproj b/examples/csharp/helloworld/Greeter/Greeter.csproj
index fa1c20f5ff..1e9399f798 100644
--- a/examples/csharp/helloworld/Greeter/Greeter.csproj
+++ b/examples/csharp/helloworld/Greeter/Greeter.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>Greeter</RootNamespace>
     <AssemblyName>Greeter</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>4eea1d1c</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>96275748</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -31,15 +31,18 @@
     <ConsolePause>false</ConsolePause>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -49,19 +52,20 @@
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
+    <None Include="..\..\..\protos\helloworld.proto">
+      <Link>protos\helloworld.proto</Link>
+    </None>
+    <None Include="..\generate_protos.bat">
+      <Link>generate_protos.bat</Link>
+    </None>
     <None Include="packages.config" />
-    <None Include="protos\helloworld.proto" />
   </ItemGroup>
   <ItemGroup />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/Helloworld.cs b/examples/csharp/helloworld/Greeter/Helloworld.cs
index 668165a6ce..3cacdebe27 100644
--- a/examples/csharp/helloworld/Greeter/Helloworld.cs
+++ b/examples/csharp/helloworld/Greeter/Helloworld.cs
@@ -9,41 +9,47 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Helloworld {
 
+  /// <summary>Holder for reflection information generated from helloworld.proto</summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public static partial class Helloworld {
+  public static partial class HelloworldReflection {
 
     #region Descriptor
+    /// <summary>File descriptor for helloworld.proto</summary>
     public static pbr::FileDescriptor Descriptor {
       get { return descriptor; }
     }
     private static pbr::FileDescriptor descriptor;
 
-    static Helloworld() {
+    static HelloworldReflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "ChBoZWxsb3dvcmxkLnByb3RvEgpoZWxsb3dvcmxkIhwKDEhlbGxvUmVxdWVz", 
-            "dBIMCgRuYW1lGAEgASgJIh0KCkhlbGxvUmVwbHkSDwoHbWVzc2FnZRgBIAEo", 
-            "CTJJCgdHcmVldGVyEj4KCFNheUhlbGxvEhguaGVsbG93b3JsZC5IZWxsb1Jl", 
-            "cXVlc3QaFi5oZWxsb3dvcmxkLkhlbGxvUmVwbHkiAEIYChBpby5ncnBjLmV4", 
-            "YW1wbGVzogIDSExXYgZwcm90bzM="));
-      descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+            "ChBoZWxsb3dvcmxkLnByb3RvEgpoZWxsb3dvcmxkIhwKDEhlbGxvUmVxdWVz",
+            "dBIMCgRuYW1lGAEgASgJIh0KCkhlbGxvUmVwbHkSDwoHbWVzc2FnZRgBIAEo",
+            "CTJJCgdHcmVldGVyEj4KCFNheUhlbGxvEhguaGVsbG93b3JsZC5IZWxsb1Jl",
+            "cXVlc3QaFi5oZWxsb3dvcmxkLkhlbGxvUmVwbHkiAEI2Chtpby5ncnBjLmV4",
+            "YW1wbGVzLmhlbGxvd29ybGRCD0hlbGxvV29ybGRQcm90b1ABogIDSExXYgZw",
+            "cm90bzM="));
+      descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
-            new pbr::GeneratedCodeInfo(typeof(global::Helloworld.HelloRequest), new[]{ "Name" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Helloworld.HelloReply), new[]{ "Message" }, null, null, null)
+            new pbr::GeneratedCodeInfo(typeof(global::Helloworld.HelloRequest), global::Helloworld.HelloRequest.Parser, new[]{ "Name" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Helloworld.HelloReply), global::Helloworld.HelloReply.Parser, new[]{ "Message" }, null, null, null)
           }));
     }
     #endregion
 
   }
   #region Messages
+  /// <summary>
+  ///  The request message containing the user's name.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class HelloRequest : pb::IMessage<HelloRequest> {
     private static readonly pb::MessageParser<HelloRequest> _parser = new pb::MessageParser<HelloRequest>(() => new HelloRequest());
     public static pb::MessageParser<HelloRequest> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Helloworld.Helloworld.Descriptor.MessageTypes[0]; }
+      get { return global::Helloworld.HelloworldReflection.Descriptor.MessageTypes[0]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -64,6 +70,7 @@ namespace Helloworld {
       return new HelloRequest(this);
     }
 
+    /// <summary>Field number for the "name" field.</summary>
     public const int NameFieldNumber = 1;
     private string name_ = "";
     public string Name {
@@ -95,7 +102,7 @@ namespace Helloworld {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
@@ -139,13 +146,16 @@ namespace Helloworld {
 
   }
 
+  /// <summary>
+  ///  The response message containing the greetings
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class HelloReply : pb::IMessage<HelloReply> {
     private static readonly pb::MessageParser<HelloReply> _parser = new pb::MessageParser<HelloReply>(() => new HelloReply());
     public static pb::MessageParser<HelloReply> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Helloworld.Helloworld.Descriptor.MessageTypes[1]; }
+      get { return global::Helloworld.HelloworldReflection.Descriptor.MessageTypes[1]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -166,6 +176,7 @@ namespace Helloworld {
       return new HelloReply(this);
     }
 
+    /// <summary>Field number for the "message" field.</summary>
     public const int MessageFieldNumber = 1;
     private string message_ = "";
     public string Message {
@@ -197,7 +208,7 @@ namespace Helloworld {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
diff --git a/examples/csharp/helloworld/Greeter/HelloworldGrpc.cs b/examples/csharp/helloworld/Greeter/HelloworldGrpc.cs
index edfe4d2257..4014bc21e3 100644
--- a/examples/csharp/helloworld/Greeter/HelloworldGrpc.cs
+++ b/examples/csharp/helloworld/Greeter/HelloworldGrpc.cs
@@ -25,7 +25,7 @@ namespace Helloworld {
     // service descriptor
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
-      get { return global::Helloworld.Helloworld.Descriptor.Services[0]; }
+      get { return global::Helloworld.HelloworldReflection.Descriptor.Services[0]; }
     }
 
     // client interface
diff --git a/examples/csharp/helloworld/Greeter/packages.config b/examples/csharp/helloworld/Greeter/packages.config
index cabcadc78f..7d24440b12 100644
--- a/examples/csharp/helloworld/Greeter/packages.config
+++ b/examples/csharp/helloworld/Greeter/packages.config
@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
index 164a6165ef..e10a6058df 100644
--- a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
+++ b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>GreeterClient</RootNamespace>
     <AssemblyName>GreeterClient</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>29206d49</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>d94f6f5f</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -31,15 +31,18 @@
     <Externalconsole>true</Externalconsole>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -56,15 +59,11 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/Program.cs b/examples/csharp/helloworld/GreeterClient/Program.cs
index ffc7fabbf1..4393f2f3c2 100644
--- a/examples/csharp/helloworld/GreeterClient/Program.cs
+++ b/examples/csharp/helloworld/GreeterClient/Program.cs
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/helloworld/GreeterClient/packages.config b/examples/csharp/helloworld/GreeterClient/packages.config
index cabcadc78f..7d24440b12 100644
--- a/examples/csharp/helloworld/GreeterClient/packages.config
+++ b/examples/csharp/helloworld/GreeterClient/packages.config
@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
index 56436d3834..6c70f75087 100644
--- a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
+++ b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>GreeterServer</RootNamespace>
     <AssemblyName>GreeterServer</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>8a2cae0f</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>6f89e9f2</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -31,15 +31,18 @@
     <Externalconsole>true</Externalconsole>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -56,15 +59,11 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/packages.config b/examples/csharp/helloworld/GreeterServer/packages.config
index cabcadc78f..7d24440b12 100644
--- a/examples/csharp/helloworld/GreeterServer/packages.config
+++ b/examples/csharp/helloworld/GreeterServer/packages.config
@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/README.md b/examples/csharp/helloworld/README.md
index f1af1f6793..63131ed98c 100644
--- a/examples/csharp/helloworld/README.md
+++ b/examples/csharp/helloworld/README.md
@@ -16,35 +16,17 @@ PREREQUISITES
 - Visual Studio 2013 or 2015
 
 **Linux**
-- Mono
-- Monodevelop 5.9 with NuGet Add-in installed
+- Mono 4.0+
+- Monodevelop 5.9+ (with NuGet plugin installed)
 
 **Mac OS X**
-- Xamarin Studio (with NuGet plugin installed)
+- Xamarin Studio 5.9+
 - [homebrew][]
 
 BUILD
 -------
 
-**Windows**
-
-- Open solution `Greeter.sln` with Visual Studio
-
-- Build the solution (this will automatically download NuGet dependencies)
-
-**Linux (Debian)**
-
-- Install gRPC C core and C# native extension using [How to use gRPC C#][] instructions
-
-- Open solution `Greeter.sln` in MonoDevelop.
-
-- Build the solution (you need to manually restore dependencies by using `mono nuget.exe restore` if you don't have NuGet add-in)
-
-**Mac OS X**
-
-- Install gRPC C core and C# native extension using [How to use gRPC C#][] instructions
-
-- Open solution `Greeter.sln` with Xamarin Studio
+- Open solution `Greeter.sln` with Visual Studio, Monodevelop (on Linux) or Xamarin Studio (on Mac OS X)
 
 - Build the solution (this will automatically download NuGet dependencies)
 
@@ -65,7 +47,7 @@ Try it!
   > GreeterClient.exe
   ```
 
-You can also run the server and client directly from Visual Studio.
+You can also run the server and client directly from the IDE.
 
 On Linux or Mac, use `mono GreeterServer.exe` and `mono GreeterClient.exe` to run the server and client.
 
@@ -76,5 +58,4 @@ You can find a more detailed tutorial in [gRPC Basics: C#][]
 
 [homebrew]:http://brew.sh
 [helloworld.proto]:../../protos/helloworld.proto
-[How to use gRPC C#]:../../../src/csharp#how-to-use
 [gRPC Basics: C#]:http://www.grpc.io/docs/tutorials/basic/csharp.html
diff --git a/examples/csharp/helloworld/generate_protos.bat b/examples/csharp/helloworld/generate_protos.bat
index 8ba2c2e936..99f81a7d82 100644
--- a/examples/csharp/helloworld/generate_protos.bat
+++ b/examples/csharp/helloworld/generate_protos.bat
@@ -5,6 +5,8 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-packages\Google.Protobuf.3.0.0-alpha4\tools\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.12.0\tools\grpc_csharp_plugin.exe
+set TOOLS_PATH=packages\Grpc.Tools.0.13.1\tools\windows_x86
+
+%TOOLS_PATH%\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=%TOOLS_PATH%\grpc_csharp_plugin.exe
 
 endlocal
\ No newline at end of file
diff --git a/examples/csharp/route_guide/.nuget/packages.config b/examples/csharp/route_guide/.nuget/packages.config
index 1cbe7e1d65..0f89a66e25 100644
--- a/examples/csharp/route_guide/.nuget/packages.config
+++ b/examples/csharp/route_guide/.nuget/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Grpc.Tools" version="0.12.0" />
+  <package id="Grpc.Tools" version="0.13.1" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuide/RouteGuide.cs b/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
index deb97e1b2d..bcd77ec5f5 100644
--- a/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
+++ b/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
@@ -9,57 +9,63 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Routeguide {
 
-  namespace Proto {
-
-    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-    public static partial class RouteGuide {
-
-      #region Descriptor
-      public static pbr::FileDescriptor Descriptor {
-        get { return descriptor; }
-      }
-      private static pbr::FileDescriptor descriptor;
-
-      static RouteGuide() {
-        byte[] descriptorData = global::System.Convert.FromBase64String(
-            string.Concat(
-              "ChFyb3V0ZV9ndWlkZS5wcm90bxIKcm91dGVndWlkZSIsCgVQb2ludBIQCghs", 
-              "YXRpdHVkZRgBIAEoBRIRCglsb25naXR1ZGUYAiABKAUiSQoJUmVjdGFuZ2xl", 
-              "Eh0KAmxvGAEgASgLMhEucm91dGVndWlkZS5Qb2ludBIdCgJoaRgCIAEoCzIR", 
-              "LnJvdXRlZ3VpZGUuUG9pbnQiPAoHRmVhdHVyZRIMCgRuYW1lGAEgASgJEiMK", 
-              "CGxvY2F0aW9uGAIgASgLMhEucm91dGVndWlkZS5Qb2ludCJBCglSb3V0ZU5v", 
-              "dGUSIwoIbG9jYXRpb24YASABKAsyES5yb3V0ZWd1aWRlLlBvaW50Eg8KB21l", 
-              "c3NhZ2UYAiABKAkiYgoMUm91dGVTdW1tYXJ5EhMKC3BvaW50X2NvdW50GAEg", 
-              "ASgFEhUKDWZlYXR1cmVfY291bnQYAiABKAUSEAoIZGlzdGFuY2UYAyABKAUS", 
-              "FAoMZWxhcHNlZF90aW1lGAQgASgFMoUCCgpSb3V0ZUd1aWRlEjYKCkdldEZl", 
-              "YXR1cmUSES5yb3V0ZWd1aWRlLlBvaW50GhMucm91dGVndWlkZS5GZWF0dXJl", 
-              "IgASPgoMTGlzdEZlYXR1cmVzEhUucm91dGVndWlkZS5SZWN0YW5nbGUaEy5y", 
-              "b3V0ZWd1aWRlLkZlYXR1cmUiADABEj4KC1JlY29yZFJvdXRlEhEucm91dGVn", 
-              "dWlkZS5Qb2ludBoYLnJvdXRlZ3VpZGUuUm91dGVTdW1tYXJ5IgAoARI/CglS", 
-              "b3V0ZUNoYXQSFS5yb3V0ZWd1aWRlLlJvdXRlTm90ZRoVLnJvdXRlZ3VpZGUu", 
-              "Um91dGVOb3RlIgAoATABQg8KB2V4LmdycGOiAgNSVEdiBnByb3RvMw=="));
-        descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
-            new pbr::FileDescriptor[] { },
-            new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
-              new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Point), new[]{ "Latitude", "Longitude" }, null, null, null),
-              new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Rectangle), new[]{ "Lo", "Hi" }, null, null, null),
-              new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Feature), new[]{ "Name", "Location" }, null, null, null),
-              new pbr::GeneratedCodeInfo(typeof(global::Routeguide.RouteNote), new[]{ "Location", "Message" }, null, null, null),
-              new pbr::GeneratedCodeInfo(typeof(global::Routeguide.RouteSummary), new[]{ "PointCount", "FeatureCount", "Distance", "ElapsedTime" }, null, null, null)
-            }));
-      }
-      #endregion
+  /// <summary>Holder for reflection information generated from route_guide.proto</summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class RouteGuideReflection {
+
+    #region Descriptor
+    /// <summary>File descriptor for route_guide.proto</summary>
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static RouteGuideReflection() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "ChFyb3V0ZV9ndWlkZS5wcm90bxIKcm91dGVndWlkZSIsCgVQb2ludBIQCghs",
+            "YXRpdHVkZRgBIAEoBRIRCglsb25naXR1ZGUYAiABKAUiSQoJUmVjdGFuZ2xl",
+            "Eh0KAmxvGAEgASgLMhEucm91dGVndWlkZS5Qb2ludBIdCgJoaRgCIAEoCzIR",
+            "LnJvdXRlZ3VpZGUuUG9pbnQiPAoHRmVhdHVyZRIMCgRuYW1lGAEgASgJEiMK",
+            "CGxvY2F0aW9uGAIgASgLMhEucm91dGVndWlkZS5Qb2ludCJBCglSb3V0ZU5v",
+            "dGUSIwoIbG9jYXRpb24YASABKAsyES5yb3V0ZWd1aWRlLlBvaW50Eg8KB21l",
+            "c3NhZ2UYAiABKAkiYgoMUm91dGVTdW1tYXJ5EhMKC3BvaW50X2NvdW50GAEg",
+            "ASgFEhUKDWZlYXR1cmVfY291bnQYAiABKAUSEAoIZGlzdGFuY2UYAyABKAUS",
+            "FAoMZWxhcHNlZF90aW1lGAQgASgFMoUCCgpSb3V0ZUd1aWRlEjYKCkdldEZl",
+            "YXR1cmUSES5yb3V0ZWd1aWRlLlBvaW50GhMucm91dGVndWlkZS5GZWF0dXJl",
+            "IgASPgoMTGlzdEZlYXR1cmVzEhUucm91dGVndWlkZS5SZWN0YW5nbGUaEy5y",
+            "b3V0ZWd1aWRlLkZlYXR1cmUiADABEj4KC1JlY29yZFJvdXRlEhEucm91dGVn",
+            "dWlkZS5Qb2ludBoYLnJvdXRlZ3VpZGUuUm91dGVTdW1tYXJ5IgAoARI/CglS",
+            "b3V0ZUNoYXQSFS5yb3V0ZWd1aWRlLlJvdXRlTm90ZRoVLnJvdXRlZ3VpZGUu",
+            "Um91dGVOb3RlIgAoATABQjYKG2lvLmdycGMuZXhhbXBsZXMucm91dGVndWlk",
+            "ZUIPUm91dGVHdWlkZVByb3RvUAGiAgNSVEdiBnByb3RvMw=="));
+      descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
+          new pbr::FileDescriptor[] { },
+          new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
+            new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Point), global::Routeguide.Point.Parser, new[]{ "Latitude", "Longitude" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Rectangle), global::Routeguide.Rectangle.Parser, new[]{ "Lo", "Hi" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Routeguide.Feature), global::Routeguide.Feature.Parser, new[]{ "Name", "Location" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Routeguide.RouteNote), global::Routeguide.RouteNote.Parser, new[]{ "Location", "Message" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Routeguide.RouteSummary), global::Routeguide.RouteSummary.Parser, new[]{ "PointCount", "FeatureCount", "Distance", "ElapsedTime" }, null, null, null)
+          }));
+    }
+    #endregion
 
-    }
   }
   #region Messages
+  /// <summary>
+  ///  Points are represented as latitude-longitude pairs in the E7 representation
+  ///  (degrees multiplied by 10**7 and rounded to the nearest integer).
+  ///  Latitudes should be in the range +/- 90 degrees and longitude should be in
+  ///  the range +/- 180 degrees (inclusive).
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class Point : pb::IMessage<Point> {
     private static readonly pb::MessageParser<Point> _parser = new pb::MessageParser<Point>(() => new Point());
     public static pb::MessageParser<Point> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.MessageTypes[0]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.MessageTypes[0]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -81,6 +87,7 @@ namespace Routeguide {
       return new Point(this);
     }
 
+    /// <summary>Field number for the "latitude" field.</summary>
     public const int LatitudeFieldNumber = 1;
     private int latitude_;
     public int Latitude {
@@ -90,6 +97,7 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "longitude" field.</summary>
     public const int LongitudeFieldNumber = 2;
     private int longitude_;
     public int Longitude {
@@ -123,7 +131,7 @@ namespace Routeguide {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
@@ -181,13 +189,17 @@ namespace Routeguide {
 
   }
 
+  /// <summary>
+  ///  A latitude-longitude rectangle, represented as two diagonally opposite
+  ///  points "lo" and "hi".
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class Rectangle : pb::IMessage<Rectangle> {
     private static readonly pb::MessageParser<Rectangle> _parser = new pb::MessageParser<Rectangle>(() => new Rectangle());
     public static pb::MessageParser<Rectangle> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.MessageTypes[1]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.MessageTypes[1]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -209,8 +221,12 @@ namespace Routeguide {
       return new Rectangle(this);
     }
 
+    /// <summary>Field number for the "lo" field.</summary>
     public const int LoFieldNumber = 1;
     private global::Routeguide.Point lo_;
+    /// <summary>
+    ///  One corner of the rectangle.
+    /// </summary>
     public global::Routeguide.Point Lo {
       get { return lo_; }
       set {
@@ -218,8 +234,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "hi" field.</summary>
     public const int HiFieldNumber = 2;
     private global::Routeguide.Point hi_;
+    /// <summary>
+    ///  The other corner of the rectangle.
+    /// </summary>
     public global::Routeguide.Point Hi {
       get { return hi_; }
       set {
@@ -251,7 +271,7 @@ namespace Routeguide {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
@@ -321,13 +341,18 @@ namespace Routeguide {
 
   }
 
+  /// <summary>
+  ///  A feature names something at a given point.
+  ///
+  ///  If a feature could not be named, the name is empty.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class Feature : pb::IMessage<Feature> {
     private static readonly pb::MessageParser<Feature> _parser = new pb::MessageParser<Feature>(() => new Feature());
     public static pb::MessageParser<Feature> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.MessageTypes[2]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.MessageTypes[2]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -349,8 +374,12 @@ namespace Routeguide {
       return new Feature(this);
     }
 
+    /// <summary>Field number for the "name" field.</summary>
     public const int NameFieldNumber = 1;
     private string name_ = "";
+    /// <summary>
+    ///  The name of the feature.
+    /// </summary>
     public string Name {
       get { return name_; }
       set {
@@ -358,8 +387,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "location" field.</summary>
     public const int LocationFieldNumber = 2;
     private global::Routeguide.Point location_;
+    /// <summary>
+    ///  The point where the feature is detected.
+    /// </summary>
     public global::Routeguide.Point Location {
       get { return location_; }
       set {
@@ -391,7 +424,7 @@ namespace Routeguide {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
@@ -455,13 +488,16 @@ namespace Routeguide {
 
   }
 
+  /// <summary>
+  ///  A RouteNote is a message sent while at a given point.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class RouteNote : pb::IMessage<RouteNote> {
     private static readonly pb::MessageParser<RouteNote> _parser = new pb::MessageParser<RouteNote>(() => new RouteNote());
     public static pb::MessageParser<RouteNote> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.MessageTypes[3]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.MessageTypes[3]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -483,8 +519,12 @@ namespace Routeguide {
       return new RouteNote(this);
     }
 
+    /// <summary>Field number for the "location" field.</summary>
     public const int LocationFieldNumber = 1;
     private global::Routeguide.Point location_;
+    /// <summary>
+    ///  The location from which the message is sent.
+    /// </summary>
     public global::Routeguide.Point Location {
       get { return location_; }
       set {
@@ -492,8 +532,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "message" field.</summary>
     public const int MessageFieldNumber = 2;
     private string message_ = "";
+    /// <summary>
+    ///  The message to be sent.
+    /// </summary>
     public string Message {
       get { return message_; }
       set {
@@ -525,7 +569,7 @@ namespace Routeguide {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
@@ -589,13 +633,20 @@ namespace Routeguide {
 
   }
 
+  /// <summary>
+  ///  A RouteSummary is received in response to a RecordRoute rpc.
+  ///
+  ///  It contains the number of individual points received, the number of
+  ///  detected features, and the total distance covered as the cumulative sum of
+  ///  the distance between each point.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class RouteSummary : pb::IMessage<RouteSummary> {
     private static readonly pb::MessageParser<RouteSummary> _parser = new pb::MessageParser<RouteSummary>(() => new RouteSummary());
     public static pb::MessageParser<RouteSummary> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.MessageTypes[4]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.MessageTypes[4]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -619,8 +670,12 @@ namespace Routeguide {
       return new RouteSummary(this);
     }
 
+    /// <summary>Field number for the "point_count" field.</summary>
     public const int PointCountFieldNumber = 1;
     private int pointCount_;
+    /// <summary>
+    ///  The number of points received.
+    /// </summary>
     public int PointCount {
       get { return pointCount_; }
       set {
@@ -628,8 +683,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "feature_count" field.</summary>
     public const int FeatureCountFieldNumber = 2;
     private int featureCount_;
+    /// <summary>
+    ///  The number of known features passed while traversing the route.
+    /// </summary>
     public int FeatureCount {
       get { return featureCount_; }
       set {
@@ -637,8 +696,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "distance" field.</summary>
     public const int DistanceFieldNumber = 3;
     private int distance_;
+    /// <summary>
+    ///  The distance covered in metres.
+    /// </summary>
     public int Distance {
       get { return distance_; }
       set {
@@ -646,8 +709,12 @@ namespace Routeguide {
       }
     }
 
+    /// <summary>Field number for the "elapsed_time" field.</summary>
     public const int ElapsedTimeFieldNumber = 4;
     private int elapsedTime_;
+    /// <summary>
+    ///  The duration of the traversal in seconds.
+    /// </summary>
     public int ElapsedTime {
       get { return elapsedTime_; }
       set {
@@ -683,7 +750,7 @@ namespace Routeguide {
     }
 
     public override string ToString() {
-      return pb::JsonFormatter.Default.Format(this);
+      return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
diff --git a/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj b/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
index 3a2a29cfac..eba1226b90 100644
--- a/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
+++ b/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuide</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>68b3dd23</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>e1e648e7</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -31,11 +31,13 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -43,8 +45,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -59,23 +62,25 @@
     <Compile Include="RouteGuideUtil.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="..\..\..\protos\route_guide.proto">
+      <Link>protos\route_guide.proto</Link>
+    </None>
+    <None Include="..\generate_protos.bat">
+      <Link>generate_protos.bat</Link>
+    </None>
     <None Include="packages.config" />
     <None Include="route_guide_db.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/examples/csharp/route_guide/RouteGuide/RouteGuideGrpc.cs b/examples/csharp/route_guide/RouteGuide/RouteGuideGrpc.cs
index d60256fff6..66d1c07978 100644
--- a/examples/csharp/route_guide/RouteGuide/RouteGuideGrpc.cs
+++ b/examples/csharp/route_guide/RouteGuide/RouteGuideGrpc.cs
@@ -49,7 +49,7 @@ namespace Routeguide {
     // service descriptor
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
-      get { return global::Routeguide.Proto.RouteGuide.Descriptor.Services[0]; }
+      get { return global::Routeguide.RouteGuideReflection.Descriptor.Services[0]; }
     }
 
     // client interface
diff --git a/examples/csharp/route_guide/RouteGuide/packages.config b/examples/csharp/route_guide/RouteGuide/packages.config
index 8717315102..c79aef1165 100644
--- a/examples/csharp/route_guide/RouteGuide/packages.config
+++ b/examples/csharp/route_guide/RouteGuide/packages.config
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuideClient/Program.cs b/examples/csharp/route_guide/RouteGuideClient/Program.cs
index 22395dd21d..c561a9f7aa 100644
--- a/examples/csharp/route_guide/RouteGuideClient/Program.cs
+++ b/examples/csharp/route_guide/RouteGuideClient/Program.cs
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj b/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
index 89e5025df8..3f7c4d0900 100644
--- a/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
+++ b/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuideClient</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>f5579f73</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>2a1dd0a1</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,11 +33,13 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -45,8 +47,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -68,17 +71,13 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/examples/csharp/route_guide/RouteGuideClient/packages.config b/examples/csharp/route_guide/RouteGuideClient/packages.config
index 8717315102..c79aef1165 100644
--- a/examples/csharp/route_guide/RouteGuideClient/packages.config
+++ b/examples/csharp/route_guide/RouteGuideClient/packages.config
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj b/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
index 2e930625c4..599b12fbf7 100644
--- a/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
+++ b/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuideServer</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>89e15444</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>164e03eb</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,11 +33,13 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core">
-      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -45,8 +47,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -69,17 +72,13 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/examples/csharp/route_guide/RouteGuideServer/packages.config b/examples/csharp/route_guide/RouteGuideServer/packages.config
index 8717315102..c79aef1165 100644
--- a/examples/csharp/route_guide/RouteGuideServer/packages.config
+++ b/examples/csharp/route_guide/RouteGuideServer/packages.config
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.12.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/generate_protos.bat b/examples/csharp/route_guide/generate_protos.bat
index fad63ef0ae..12be52c680 100644
--- a/examples/csharp/route_guide/generate_protos.bat
+++ b/examples/csharp/route_guide/generate_protos.bat
@@ -5,6 +5,8 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-packages\Google.Protobuf.3.0.0-alpha4\tools\protoc.exe -I../../protos --csharp_out RouteGuide  ../../protos/route_guide.proto --grpc_out RouteGuide --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.12.0\tools\grpc_csharp_plugin.exe
+set TOOLS_PATH=packages\Grpc.Tools.0.13.1\tools\windows_x86
+
+%TOOLS_PATH%\protoc.exe -I../../protos --csharp_out RouteGuide  ../../protos/route_guide.proto --grpc_out RouteGuide --plugin=protoc-gen-grpc=%TOOLS_PATH%\grpc_csharp_plugin.exe
 
 endlocal
\ No newline at end of file
diff --git a/examples/node/README.md b/examples/node/README.md
index 7a2bc9794f..28878833ce 100644
--- a/examples/node/README.md
+++ b/examples/node/README.md
@@ -10,6 +10,11 @@ INSTALL
 -------
 
    ```sh
+   $ # Get the gRPC repository
+   $ export REPO_ROOT=grpc # REPO root can be any directory of your choice
+   $ git clone https://github.com/grpc/grpc.git $REPO_ROOT
+   $ cd $REPO_ROOT
+
    $ cd examples/node
    $ npm install
    ```
@@ -20,7 +25,7 @@ TRY IT!
  - Run the server
 
    ```sh
-   $ # from this directory (grpc_common/node).
+   $ # from this directory
    $ node ./greeter_server.js &
    ```
 
diff --git a/examples/node/greeter_client.js b/examples/node/greeter_client.js
index 828ab51f49..7125c2fec5 100644
--- a/examples/node/greeter_client.js
+++ b/examples/node/greeter_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/node/greeter_server.js b/examples/node/greeter_server.js
index 08ca600fef..a4aebf6d09 100644
--- a/examples/node/greeter_server.js
+++ b/examples/node/greeter_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/node/package.json b/examples/node/package.json
index d1834585f5..49ab74d318 100644
--- a/examples/node/package.json
+++ b/examples/node/package.json
@@ -2,7 +2,10 @@
   "name": "grpc-examples",
   "version": "0.1.0",
   "dependencies": {
+    "async": "^1.5.2",
     "grpc": "0.13.0",
-    "google-protobuf": "*"
+    "google-protobuf": "*",
+    "lodash": "^4.6.1",
+    "minimist": "^1.2.0"
   }
 }
diff --git a/examples/node/route_guide/route_guide_client.js b/examples/node/route_guide/route_guide_client.js
index 6ff0279184..fd05a59b63 100644
--- a/examples/node/route_guide/route_guide_client.js
+++ b/examples/node/route_guide/route_guide_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/node/route_guide/route_guide_server.js b/examples/node/route_guide/route_guide_server.js
index 9fa9827991..6c01fac246 100644
--- a/examples/node/route_guide/route_guide_server.js
+++ b/examples/node/route_guide/route_guide_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/objective-c/auth_sample/MakeRPCViewController.m b/examples/objective-c/auth_sample/MakeRPCViewController.m
index 108eda45ba..6013186b99 100644
--- a/examples/objective-c/auth_sample/MakeRPCViewController.m
+++ b/examples/objective-c/auth_sample/MakeRPCViewController.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/objective-c/helloworld/main.m b/examples/objective-c/helloworld/main.m
index bf357990a5..755dce33df 100644
--- a/examples/objective-c/helloworld/main.m
+++ b/examples/objective-c/helloworld/main.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/php/README.md b/examples/php/README.md
index 8fb060863a..ea9ccb6790 100644
--- a/examples/php/README.md
+++ b/examples/php/README.md
@@ -4,16 +4,15 @@ gRPC in 3 minutes (PHP)
 PREREQUISITES
 -------------
 
-This requires PHP 5.5 or greater.
+This requires `php` >=5.5, `phpize`, `pecl`, `phpunit`
 
 INSTALL
 -------
- - On Mac OS X, install [homebrew][]. Run the following command to install gRPC.
+ - Install the gRPC PHP extension
 
    ```sh
-   $ curl -fsSL https://goo.gl/getgrpc | bash -s php
+   $ [sudo] pecl install grpc-beta
    ```
-   This will download and run the [gRPC install script][] and compile the gRPC PHP extension.
 
  - Clone this repository
 
@@ -37,6 +36,7 @@ TRY IT!
    Please follow the instruction in [Node][] to run the server
    ```
    $ cd examples/node
+   $ npm install
    $ nodejs greeter_server.js
    ```
 
@@ -58,7 +58,5 @@ TUTORIAL
 
 You can find a more detailed tutorial in [gRPC Basics: PHP][]
 
-[homebrew]:http://brew.sh
-[gRPC install script]:https://raw.githubusercontent.com/grpc/homebrew-grpc/master/scripts/install
 [Node]:https://github.com/grpc/grpc/tree/master/examples/node
 [gRPC Basics: PHP]:http://www.grpc.io/docs/tutorials/basic/php.html
diff --git a/examples/php/composer.json b/examples/php/composer.json
index 9f44f0b186..c837bf7ac0 100644
--- a/examples/php/composer.json
+++ b/examples/php/composer.json
@@ -1,17 +1,14 @@
 {
+  "name": "grpc/grpc-demo",
+  "description": "gRPC example for PHP",
+  "minimum-stability": "dev",
   "repositories": [
     {
       "type": "vcs",
       "url": "https://github.com/stanley-cheung/Protobuf-PHP"
     }
   ],
-  "name": "grpc/grpc-demo",
-  "description": "gRPC example for PHP",
-  "minimum-stability": "dev",
   "require": {
-    "php": ">=5.5.0",
-    "datto/protobuf-php": "dev-master",
-    "google/auth": "dev-master",
-    "grpc/grpc": "dev-release-0_11"
+    "grpc/grpc": "dev-release-0_13"
   }
 }
diff --git a/examples/php/greeter_client.php b/examples/php/greeter_client.php
index e5e4c2651e..718ef88c64 100644
--- a/examples/php/greeter_client.php
+++ b/examples/php/greeter_client.php
@@ -36,7 +36,9 @@ require dirname(__FILE__) . '/vendor/autoload.php';
 require dirname(__FILE__) . '/helloworld.php';
 
 function greet($name) {
-  $client = new helloworld\GreeterClient('localhost:50051', []);
+  $client = new helloworld\GreeterClient('localhost:50051', [
+    'credentials' => Grpc\ChannelCredentials::createInsecure()
+  ]);
   $request = new helloworld\HelloRequest();
   $request->setName($name);
   list($reply, $status) = $client->SayHello($request)->wait();
diff --git a/examples/php/route_guide/route_guide_client.php b/examples/php/route_guide/route_guide_client.php
index 3cd1df7254..2f9533be4b 100644
--- a/examples/php/route_guide/route_guide_client.php
+++ b/examples/php/route_guide/route_guide_client.php
@@ -37,7 +37,9 @@ require dirname(__FILE__) . '/route_guide.php';
 
 define('COORD_FACTOR', 1e7);
 
-$client = new routeguide\RouteGuideClient('localhost:50051', []);
+$client = new routeguide\RouteGuideClient('localhost:50051', [
+  'credentials' => Grpc\ChannelCredentials::createInsecure()
+]);
 
 function printFeature($feature) {
   $name = $feature->getName();
diff --git a/examples/protos/helloworld.proto b/examples/protos/helloworld.proto
index e670503b09..0bee1fcfcf 100644
--- a/examples/protos/helloworld.proto
+++ b/examples/protos/helloworld.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/protos/route_guide.proto b/examples/protos/route_guide.proto
index b3553ee536..12c4495ffa 100644
--- a/examples/protos/route_guide.proto
+++ b/examples/protos/route_guide.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/python/README.md b/examples/python/README.md
index 7b48c824ba..b57da8f642 100644
--- a/examples/python/README.md
+++ b/examples/python/README.md
@@ -6,24 +6,18 @@ Background
 For this sample, we've already generated the server and client stubs from
 [helloworld.proto][] and we'll be using a specific reference platform.
 
-Prerequisites
--------------
-
-- Debian 8.2 "Jessie" platform with `root` access
-- `git`
-- `python2.7`
-- `pip`
-- Python development headers
 
-Set-up
--------
+Install gRPC:
   ```sh
-  $ # install the gRPC Core:
-  $ sudo apt-get install libgrpc-dev
-  $ # install gRPC Python:
-  $ sudo pip install -U grpcio==0.11.0b1
-  $ # Since this "hello, world" example uses protocol buffers:
-  $ sudo pip install -U protobuf==3.0.0a3
+  $ pip install grpcio
+```
+Or, to install it system wide:
+```sh
+	$ sudo pip install grpcio
+```
+
+Download the example
+```sh
   $ # Clone the repository to get the example code:
   $ git clone https://github.com/grpc/grpc
   $ # Navigate to the "hello, world" Python example:
diff --git a/examples/python/helloworld/greeter_client.py b/examples/python/helloworld/greeter_client.py
index 561b25bcb2..40d637fb7b 100644
--- a/examples/python/helloworld/greeter_client.py
+++ b/examples/python/helloworld/greeter_client.py
@@ -29,6 +29,8 @@
 
 """The Python implementation of the GRPC helloworld.Greeter client."""
 
+from __future__ import print_function
+
 from grpc.beta import implementations
 
 import helloworld_pb2
@@ -40,7 +42,7 @@ def run():
   channel = implementations.insecure_channel('localhost', 50051)
   stub = helloworld_pb2.beta_create_Greeter_stub(channel)
   response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'), _TIMEOUT_SECONDS)
-  print "Greeter client received: " + response.message
+  print("Greeter client received: " + response.message)
 
 
 if __name__ == '__main__':
diff --git a/examples/python/route_guide/route_guide_client.py b/examples/python/route_guide/route_guide_client.py
index b1dfad551d..ffcbd061d6 100644
--- a/examples/python/route_guide/route_guide_client.py
+++ b/examples/python/route_guide/route_guide_client.py
@@ -29,6 +29,8 @@
 
 """The Python implementation of the gRPC route guide client."""
 
+from __future__ import print_function
+
 import random
 import time
 
@@ -49,13 +51,13 @@ def make_route_note(message, latitude, longitude):
 def guide_get_one_feature(stub, point):
   feature = stub.GetFeature(point, _TIMEOUT_SECONDS)
   if not feature.location:
-    print "Server returned incomplete feature"
+    print("Server returned incomplete feature")
     return
 
   if feature.name:
-    print "Feature called %s at %s" % (feature.name, feature.location)
+    print("Feature called %s at %s" % (feature.name, feature.location))
   else:
-    print "Found no feature at %s" % feature.location
+    print("Found no feature at %s" % feature.location)
 
 
 def guide_get_feature(stub):
@@ -69,18 +71,18 @@ def guide_list_features(stub):
           latitude=400000000, longitude = -750000000),
       hi=route_guide_pb2.Point(
           latitude = 420000000, longitude = -730000000))
-  print "Looking for features between 40, -75 and 42, -73"
+  print("Looking for features between 40, -75 and 42, -73")
 
   features = stub.ListFeatures(rect, _TIMEOUT_SECONDS)
 
   for feature in features:
-    print "Feature called %s at %s" % (feature.name, feature.location)
+    print("Feature called %s at %s" % (feature.name, feature.location))
 
 
 def generate_route(feature_list):
   for _ in range(0, 10):
     random_feature = feature_list[random.randint(0, len(feature_list) - 1)]
-    print "Visiting point %s" % random_feature.location
+    print("Visiting point %s" % random_feature.location)
     yield random_feature.location
     time.sleep(random.uniform(0.5, 1.5))
 
@@ -90,10 +92,10 @@ def guide_record_route(stub):
 
   route_iter = generate_route(feature_list)
   route_summary = stub.RecordRoute(route_iter, _TIMEOUT_SECONDS)
-  print "Finished trip with %s points " % route_summary.point_count
-  print "Passed %s features " % route_summary.feature_count
-  print "Travelled %s meters " % route_summary.distance
-  print "It took %s seconds " % route_summary.elapsed_time
+  print("Finished trip with %s points " % route_summary.point_count)
+  print("Passed %s features " % route_summary.feature_count)
+  print("Travelled %s meters " % route_summary.distance)
+  print("It took %s seconds " % route_summary.elapsed_time)
 
 
 def generate_messages():
@@ -105,7 +107,7 @@ def generate_messages():
       make_route_note("Fifth message", 1, 0),
   ]
   for msg in messages:
-    print "Sending %s at %s" % (msg.message, msg.location)
+    print("Sending %s at %s" % (msg.message, msg.location))
     yield msg
     time.sleep(random.uniform(0.5, 1.0))
 
@@ -113,19 +115,19 @@ def generate_messages():
 def guide_route_chat(stub):
   responses = stub.RouteChat(generate_messages(), _TIMEOUT_SECONDS)
   for response in responses:
-    print "Received message %s at %s" % (response.message, response.location)
+    print("Received message %s at %s" % (response.message, response.location))
 
 
 def run():
   channel = implementations.insecure_channel('localhost', 50051)
   stub = route_guide_pb2.beta_create_RouteGuide_stub(channel)
-  print "-------------- GetFeature --------------"
+  print("-------------- GetFeature --------------")
   guide_get_feature(stub)
-  print "-------------- ListFeatures --------------"
+  print("-------------- ListFeatures --------------")
   guide_list_features(stub)
-  print "-------------- RecordRoute --------------"
+  print("-------------- RecordRoute --------------")
   guide_record_route(stub)
-  print "-------------- RouteChat --------------"
+  print("-------------- RouteChat --------------")
   guide_route_chat(stub)
 
 
diff --git a/examples/python/route_guide/route_guide_server.py b/examples/python/route_guide/route_guide_server.py
index f23b98bf36..24f948c42c 100644
--- a/examples/python/route_guide/route_guide_server.py
+++ b/examples/python/route_guide/route_guide_server.py
@@ -128,7 +128,7 @@ def serve():
     while True:
       time.sleep(_ONE_DAY_IN_SECONDS)
   except KeyboardInterrupt:
-    server.stop()
+    server.stop(0)
 
 if __name__ == '__main__':
   serve()
diff --git a/examples/ruby/greeter_client.rb b/examples/ruby/greeter_client.rb
index 2a24316870..cb4aa195e7 100755
--- a/examples/ruby/greeter_client.rb
+++ b/examples/ruby/greeter_client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/ruby/route_guide/route_guide_client.rb b/examples/ruby/route_guide/route_guide_client.rb
index 715a3c08c5..e7f802c21e 100755
--- a/examples/ruby/route_guide/route_guide_client.rb
+++ b/examples/ruby/route_guide/route_guide_client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,7 @@ lib_dir = File.join(File.dirname(this_dir), 'lib')
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 
 require 'grpc'
+require 'multi_json'
 require 'route_guide_services'
 
 include Routeguide
@@ -115,9 +116,8 @@ def run_record_route(stub, features)
   p 'RecordRoute'
   p '-----------'
   points_on_route = 10  # arbitrary
-  deadline = points_on_route  # as delay b/w each is max 1 second
   reqs = RandomRoute.new(features, points_on_route)
-  resp = stub.record_route(reqs.each, deadline)
+  resp = stub.record_route(reqs.each)
   p "summary: #{resp.inspect}"
 end
 
diff --git a/gRPC.podspec b/gRPC.podspec
index cad15e6bd8..7ede97d1a9 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -63,16 +63,18 @@ Pod::Spec.new do |s|
 
   # Core cross-platform gRPC library, written in C.
   s.subspec 'C-Core' do |ss|
-    ss.source_files = 'src/core/profiling/timers.h',
-                      'src/core/support/block_annotate.h',
-                      'src/core/support/env.h',
-                      'src/core/support/file.h',
-                      'src/core/support/murmur_hash.h',
-                      'src/core/support/stack_lockfree.h',
-                      'src/core/support/string.h',
-                      'src/core/support/string_win32.h',
-                      'src/core/support/thd_internal.h',
-                      'src/core/support/time_precise.h',
+    ss.source_files = 'src/core/lib/profiling/timers.h',
+                      'src/core/lib/support/backoff.h',
+                      'src/core/lib/support/block_annotate.h',
+                      'src/core/lib/support/env.h',
+                      'src/core/lib/support/load_file.h',
+                      'src/core/lib/support/murmur_hash.h',
+                      'src/core/lib/support/stack_lockfree.h',
+                      'src/core/lib/support/string.h',
+                      'src/core/lib/support/string_win32.h',
+                      'src/core/lib/support/thd_internal.h',
+                      'src/core/lib/support/time_precise.h',
+                      'src/core/lib/support/tmpfile.h',
                       'include/grpc/support/alloc.h',
                       'include/grpc/support/atm.h',
                       'include/grpc/support/atm_gcc_atomic.h',
@@ -115,490 +117,527 @@ Pod::Spec.new do |s|
                       'include/grpc/impl/codegen/sync_posix.h',
                       'include/grpc/impl/codegen/sync_win32.h',
                       'include/grpc/impl/codegen/time.h',
-                      'src/core/profiling/basic_timers.c',
-                      'src/core/profiling/stap_timers.c',
-                      'src/core/support/alloc.c',
-                      'src/core/support/avl.c',
-                      'src/core/support/cmdline.c',
-                      'src/core/support/cpu_iphone.c',
-                      'src/core/support/cpu_linux.c',
-                      'src/core/support/cpu_posix.c',
-                      'src/core/support/cpu_windows.c',
-                      'src/core/support/env_linux.c',
-                      'src/core/support/env_posix.c',
-                      'src/core/support/env_win32.c',
-                      'src/core/support/file.c',
-                      'src/core/support/file_posix.c',
-                      'src/core/support/file_win32.c',
-                      'src/core/support/histogram.c',
-                      'src/core/support/host_port.c',
-                      'src/core/support/log.c',
-                      'src/core/support/log_android.c',
-                      'src/core/support/log_linux.c',
-                      'src/core/support/log_posix.c',
-                      'src/core/support/log_win32.c',
-                      'src/core/support/murmur_hash.c',
-                      'src/core/support/slice.c',
-                      'src/core/support/slice_buffer.c',
-                      'src/core/support/stack_lockfree.c',
-                      'src/core/support/string.c',
-                      'src/core/support/string_posix.c',
-                      'src/core/support/string_win32.c',
-                      'src/core/support/subprocess_posix.c',
-                      'src/core/support/subprocess_windows.c',
-                      'src/core/support/sync.c',
-                      'src/core/support/sync_posix.c',
-                      'src/core/support/sync_win32.c',
-                      'src/core/support/thd.c',
-                      'src/core/support/thd_posix.c',
-                      'src/core/support/thd_win32.c',
-                      'src/core/support/time.c',
-                      'src/core/support/time_posix.c',
-                      'src/core/support/time_precise.c',
-                      'src/core/support/time_win32.c',
-                      'src/core/support/tls_pthread.c',
-                      'src/core/support/wrap_memcpy.c',
-                      'src/core/security/auth_filters.h',
-                      'src/core/security/base64.h',
-                      'src/core/security/credentials.h',
-                      'src/core/security/handshake.h',
-                      'src/core/security/json_token.h',
-                      'src/core/security/jwt_verifier.h',
-                      'src/core/security/secure_endpoint.h',
-                      'src/core/security/security_connector.h',
-                      'src/core/security/security_context.h',
-                      'src/core/tsi/fake_transport_security.h',
-                      'src/core/tsi/ssl_transport_security.h',
-                      'src/core/tsi/ssl_types.h',
-                      'src/core/tsi/transport_security.h',
-                      'src/core/tsi/transport_security_interface.h',
-                      'src/core/census/grpc_filter.h',
-                      'src/core/channel/channel_args.h',
-                      'src/core/channel/channel_stack.h',
-                      'src/core/channel/client_channel.h',
-                      'src/core/channel/client_uchannel.h',
-                      'src/core/channel/compress_filter.h',
-                      'src/core/channel/connected_channel.h',
-                      'src/core/channel/context.h',
-                      'src/core/channel/http_client_filter.h',
-                      'src/core/channel/http_server_filter.h',
-                      'src/core/channel/subchannel_call_holder.h',
-                      'src/core/client_config/client_config.h',
-                      'src/core/client_config/connector.h',
-                      'src/core/client_config/initial_connect_string.h',
-                      'src/core/client_config/lb_policies/pick_first.h',
-                      'src/core/client_config/lb_policies/round_robin.h',
-                      'src/core/client_config/lb_policy.h',
-                      'src/core/client_config/lb_policy_factory.h',
-                      'src/core/client_config/lb_policy_registry.h',
-                      'src/core/client_config/resolver.h',
-                      'src/core/client_config/resolver_factory.h',
-                      'src/core/client_config/resolver_registry.h',
-                      'src/core/client_config/resolvers/dns_resolver.h',
-                      'src/core/client_config/resolvers/sockaddr_resolver.h',
-                      'src/core/client_config/subchannel.h',
-                      'src/core/client_config/subchannel_factory.h',
-                      'src/core/client_config/subchannel_index.h',
-                      'src/core/client_config/uri_parser.h',
-                      'src/core/compression/algorithm_metadata.h',
-                      'src/core/compression/message_compress.h',
-                      'src/core/debug/trace.h',
-                      'src/core/httpcli/format_request.h',
-                      'src/core/httpcli/httpcli.h',
-                      'src/core/httpcli/parser.h',
-                      'src/core/iomgr/closure.h',
-                      'src/core/iomgr/endpoint.h',
-                      'src/core/iomgr/endpoint_pair.h',
-                      'src/core/iomgr/exec_ctx.h',
-                      'src/core/iomgr/executor.h',
-                      'src/core/iomgr/fd_posix.h',
-                      'src/core/iomgr/iocp_windows.h',
-                      'src/core/iomgr/iomgr.h',
-                      'src/core/iomgr/iomgr_internal.h',
-                      'src/core/iomgr/iomgr_posix.h',
-                      'src/core/iomgr/pollset.h',
-                      'src/core/iomgr/pollset_posix.h',
-                      'src/core/iomgr/pollset_set.h',
-                      'src/core/iomgr/pollset_set_posix.h',
-                      'src/core/iomgr/pollset_set_windows.h',
-                      'src/core/iomgr/pollset_windows.h',
-                      'src/core/iomgr/resolve_address.h',
-                      'src/core/iomgr/sockaddr.h',
-                      'src/core/iomgr/sockaddr_posix.h',
-                      'src/core/iomgr/sockaddr_utils.h',
-                      'src/core/iomgr/sockaddr_win32.h',
-                      'src/core/iomgr/socket_utils_posix.h',
-                      'src/core/iomgr/socket_windows.h',
-                      'src/core/iomgr/tcp_client.h',
-                      'src/core/iomgr/tcp_posix.h',
-                      'src/core/iomgr/tcp_server.h',
-                      'src/core/iomgr/tcp_windows.h',
-                      'src/core/iomgr/time_averaged_stats.h',
-                      'src/core/iomgr/timer.h',
-                      'src/core/iomgr/timer_heap.h',
-                      'src/core/iomgr/timer_internal.h',
-                      'src/core/iomgr/udp_server.h',
-                      'src/core/iomgr/wakeup_fd_pipe.h',
-                      'src/core/iomgr/wakeup_fd_posix.h',
-                      'src/core/iomgr/workqueue.h',
-                      'src/core/iomgr/workqueue_posix.h',
-                      'src/core/iomgr/workqueue_windows.h',
-                      'src/core/json/json.h',
-                      'src/core/json/json_common.h',
-                      'src/core/json/json_reader.h',
-                      'src/core/json/json_writer.h',
-                      'src/core/statistics/census_interface.h',
-                      'src/core/statistics/census_rpc_stats.h',
-                      'src/core/surface/api_trace.h',
-                      'src/core/surface/call.h',
-                      'src/core/surface/call_test_only.h',
-                      'src/core/surface/channel.h',
-                      'src/core/surface/completion_queue.h',
-                      'src/core/surface/event_string.h',
-                      'src/core/surface/init.h',
-                      'src/core/surface/server.h',
-                      'src/core/surface/surface_trace.h',
-                      'src/core/transport/byte_stream.h',
-                      'src/core/transport/chttp2/alpn.h',
-                      'src/core/transport/chttp2/bin_encoder.h',
-                      'src/core/transport/chttp2/frame.h',
-                      'src/core/transport/chttp2/frame_data.h',
-                      'src/core/transport/chttp2/frame_goaway.h',
-                      'src/core/transport/chttp2/frame_ping.h',
-                      'src/core/transport/chttp2/frame_rst_stream.h',
-                      'src/core/transport/chttp2/frame_settings.h',
-                      'src/core/transport/chttp2/frame_window_update.h',
-                      'src/core/transport/chttp2/hpack_encoder.h',
-                      'src/core/transport/chttp2/hpack_parser.h',
-                      'src/core/transport/chttp2/hpack_table.h',
-                      'src/core/transport/chttp2/http2_errors.h',
-                      'src/core/transport/chttp2/huffsyms.h',
-                      'src/core/transport/chttp2/incoming_metadata.h',
-                      'src/core/transport/chttp2/internal.h',
-                      'src/core/transport/chttp2/status_conversion.h',
-                      'src/core/transport/chttp2/stream_map.h',
-                      'src/core/transport/chttp2/timeout_encoding.h',
-                      'src/core/transport/chttp2/varint.h',
-                      'src/core/transport/chttp2_transport.h',
-                      'src/core/transport/connectivity_state.h',
-                      'src/core/transport/metadata.h',
-                      'src/core/transport/metadata_batch.h',
-                      'src/core/transport/static_metadata.h',
-                      'src/core/transport/transport.h',
-                      'src/core/transport/transport_impl.h',
-                      'src/core/census/aggregation.h',
-                      'src/core/census/log.h',
-                      'src/core/census/rpc_metric_id.h',
-                      'include/grpc/grpc_security.h',
+                      'src/core/lib/profiling/basic_timers.c',
+                      'src/core/lib/profiling/stap_timers.c',
+                      'src/core/lib/support/alloc.c',
+                      'src/core/lib/support/avl.c',
+                      'src/core/lib/support/backoff.c',
+                      'src/core/lib/support/cmdline.c',
+                      'src/core/lib/support/cpu_iphone.c',
+                      'src/core/lib/support/cpu_linux.c',
+                      'src/core/lib/support/cpu_posix.c',
+                      'src/core/lib/support/cpu_windows.c',
+                      'src/core/lib/support/env_linux.c',
+                      'src/core/lib/support/env_posix.c',
+                      'src/core/lib/support/env_win32.c',
+                      'src/core/lib/support/histogram.c',
+                      'src/core/lib/support/host_port.c',
+                      'src/core/lib/support/load_file.c',
+                      'src/core/lib/support/log.c',
+                      'src/core/lib/support/log_android.c',
+                      'src/core/lib/support/log_linux.c',
+                      'src/core/lib/support/log_posix.c',
+                      'src/core/lib/support/log_win32.c',
+                      'src/core/lib/support/murmur_hash.c',
+                      'src/core/lib/support/slice.c',
+                      'src/core/lib/support/slice_buffer.c',
+                      'src/core/lib/support/stack_lockfree.c',
+                      'src/core/lib/support/string.c',
+                      'src/core/lib/support/string_posix.c',
+                      'src/core/lib/support/string_win32.c',
+                      'src/core/lib/support/subprocess_posix.c',
+                      'src/core/lib/support/subprocess_windows.c',
+                      'src/core/lib/support/sync.c',
+                      'src/core/lib/support/sync_posix.c',
+                      'src/core/lib/support/sync_win32.c',
+                      'src/core/lib/support/thd.c',
+                      'src/core/lib/support/thd_posix.c',
+                      'src/core/lib/support/thd_win32.c',
+                      'src/core/lib/support/time.c',
+                      'src/core/lib/support/time_posix.c',
+                      'src/core/lib/support/time_precise.c',
+                      'src/core/lib/support/time_win32.c',
+                      'src/core/lib/support/tls_pthread.c',
+                      'src/core/lib/support/tmpfile_posix.c',
+                      'src/core/lib/support/tmpfile_win32.c',
+                      'src/core/lib/support/wrap_memcpy.c',
+                      'src/core/lib/channel/channel_args.h',
+                      'src/core/lib/channel/channel_stack.h',
+                      'src/core/lib/channel/channel_stack_builder.h',
+                      'src/core/lib/channel/compress_filter.h',
+                      'src/core/lib/channel/connected_channel.h',
+                      'src/core/lib/channel/context.h',
+                      'src/core/lib/channel/http_client_filter.h',
+                      'src/core/lib/channel/http_server_filter.h',
+                      'src/core/lib/compression/algorithm_metadata.h',
+                      'src/core/lib/compression/message_compress.h',
+                      'src/core/lib/debug/trace.h',
+                      'src/core/lib/http/format_request.h',
+                      'src/core/lib/http/httpcli.h',
+                      'src/core/lib/http/parser.h',
+                      'src/core/lib/iomgr/closure.h',
+                      'src/core/lib/iomgr/endpoint.h',
+                      'src/core/lib/iomgr/endpoint_pair.h',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                      'src/core/lib/iomgr/ev_posix.h',
+                      'src/core/lib/iomgr/exec_ctx.h',
+                      'src/core/lib/iomgr/executor.h',
+                      'src/core/lib/iomgr/iocp_windows.h',
+                      'src/core/lib/iomgr/iomgr.h',
+                      'src/core/lib/iomgr/iomgr_internal.h',
+                      'src/core/lib/iomgr/iomgr_posix.h',
+                      'src/core/lib/iomgr/pollset.h',
+                      'src/core/lib/iomgr/pollset_set.h',
+                      'src/core/lib/iomgr/pollset_set_windows.h',
+                      'src/core/lib/iomgr/pollset_windows.h',
+                      'src/core/lib/iomgr/resolve_address.h',
+                      'src/core/lib/iomgr/sockaddr.h',
+                      'src/core/lib/iomgr/sockaddr_posix.h',
+                      'src/core/lib/iomgr/sockaddr_utils.h',
+                      'src/core/lib/iomgr/sockaddr_win32.h',
+                      'src/core/lib/iomgr/socket_utils_posix.h',
+                      'src/core/lib/iomgr/socket_windows.h',
+                      'src/core/lib/iomgr/tcp_client.h',
+                      'src/core/lib/iomgr/tcp_posix.h',
+                      'src/core/lib/iomgr/tcp_server.h',
+                      'src/core/lib/iomgr/tcp_windows.h',
+                      'src/core/lib/iomgr/time_averaged_stats.h',
+                      'src/core/lib/iomgr/timer.h',
+                      'src/core/lib/iomgr/timer_heap.h',
+                      'src/core/lib/iomgr/udp_server.h',
+                      'src/core/lib/iomgr/unix_sockets_posix.h',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                      'src/core/lib/iomgr/wakeup_fd_posix.h',
+                      'src/core/lib/iomgr/workqueue.h',
+                      'src/core/lib/iomgr/workqueue_posix.h',
+                      'src/core/lib/iomgr/workqueue_windows.h',
+                      'src/core/lib/json/json.h',
+                      'src/core/lib/json/json_common.h',
+                      'src/core/lib/json/json_reader.h',
+                      'src/core/lib/json/json_writer.h',
+                      'src/core/lib/surface/api_trace.h',
+                      'src/core/lib/surface/call.h',
+                      'src/core/lib/surface/call_test_only.h',
+                      'src/core/lib/surface/channel.h',
+                      'src/core/lib/surface/channel_init.h',
+                      'src/core/lib/surface/channel_stack_type.h',
+                      'src/core/lib/surface/completion_queue.h',
+                      'src/core/lib/surface/event_string.h',
+                      'src/core/lib/surface/init.h',
+                      'src/core/lib/surface/lame_client.h',
+                      'src/core/lib/surface/server.h',
+                      'src/core/lib/surface/surface_trace.h',
+                      'src/core/lib/transport/byte_stream.h',
+                      'src/core/lib/transport/connectivity_state.h',
+                      'src/core/lib/transport/metadata.h',
+                      'src/core/lib/transport/metadata_batch.h',
+                      'src/core/lib/transport/static_metadata.h',
+                      'src/core/lib/transport/transport.h',
+                      'src/core/lib/transport/transport_impl.h',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                      'src/core/ext/transport/chttp2/transport/frame.h',
+                      'src/core/ext/transport/chttp2/transport/frame_data.h',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                      'src/core/ext/transport/chttp2/transport/internal.h',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                      'src/core/ext/transport/chttp2/transport/stream_map.h',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                      'src/core/ext/transport/chttp2/transport/varint.h',
+                      'src/core/ext/transport/chttp2/alpn/alpn.h',
+                      'src/core/lib/security/auth_filters.h',
+                      'src/core/lib/security/b64.h',
+                      'src/core/lib/security/credentials.h',
+                      'src/core/lib/security/handshake.h',
+                      'src/core/lib/security/json_token.h',
+                      'src/core/lib/security/jwt_verifier.h',
+                      'src/core/lib/security/secure_endpoint.h',
+                      'src/core/lib/security/security_connector.h',
+                      'src/core/lib/security/security_context.h',
+                      'src/core/lib/tsi/fake_transport_security.h',
+                      'src/core/lib/tsi/ssl_transport_security.h',
+                      'src/core/lib/tsi/ssl_types.h',
+                      'src/core/lib/tsi/transport_security.h',
+                      'src/core/lib/tsi/transport_security_interface.h',
+                      'src/core/ext/client_config/client_channel.h',
+                      'src/core/ext/client_config/client_channel_factory.h',
+                      'src/core/ext/client_config/client_config.h',
+                      'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/initial_connect_string.h',
+                      'src/core/ext/client_config/lb_policy.h',
+                      'src/core/ext/client_config/lb_policy_factory.h',
+                      'src/core/ext/client_config/lb_policy_registry.h',
+                      'src/core/ext/client_config/parse_address.h',
+                      'src/core/ext/client_config/resolver.h',
+                      'src/core/ext/client_config/resolver_factory.h',
+                      'src/core/ext/client_config/resolver_registry.h',
+                      'src/core/ext/client_config/subchannel.h',
+                      'src/core/ext/client_config/subchannel_call_holder.h',
+                      'src/core/ext/client_config/subchannel_index.h',
+                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+                      'third_party/nanopb/pb.h',
+                      'third_party/nanopb/pb_common.h',
+                      'third_party/nanopb/pb_decode.h',
+                      'third_party/nanopb/pb_encode.h',
+                      'src/core/ext/census/aggregation.h',
+                      'src/core/ext/census/census_interface.h',
+                      'src/core/ext/census/census_rpc_stats.h',
+                      'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/mlog.h',
+                      'src/core/ext/census/rpc_metric_id.h',
+                      'include/grpc/byte_buffer.h',
+                      'include/grpc/byte_buffer_reader.h',
+                      'include/grpc/compression.h',
+                      'include/grpc/grpc.h',
+                      'include/grpc/status.h',
                       'include/grpc/impl/codegen/byte_buffer.h',
                       'include/grpc/impl/codegen/compression_types.h',
                       'include/grpc/impl/codegen/connectivity_state.h',
                       'include/grpc/impl/codegen/grpc_types.h',
                       'include/grpc/impl/codegen/propagation_bits.h',
                       'include/grpc/impl/codegen/status.h',
-                      'include/grpc/byte_buffer.h',
-                      'include/grpc/byte_buffer_reader.h',
-                      'include/grpc/compression.h',
-                      'include/grpc/grpc.h',
-                      'include/grpc/status.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/grpc_security.h',
                       'include/grpc/census.h',
-                      'src/core/httpcli/httpcli_security_connector.c',
-                      'src/core/security/base64.c',
-                      'src/core/security/client_auth_filter.c',
-                      'src/core/security/credentials.c',
-                      'src/core/security/credentials_metadata.c',
-                      'src/core/security/credentials_posix.c',
-                      'src/core/security/credentials_win32.c',
-                      'src/core/security/google_default_credentials.c',
-                      'src/core/security/handshake.c',
-                      'src/core/security/json_token.c',
-                      'src/core/security/jwt_verifier.c',
-                      'src/core/security/secure_endpoint.c',
-                      'src/core/security/security_connector.c',
-                      'src/core/security/security_context.c',
-                      'src/core/security/server_auth_filter.c',
-                      'src/core/security/server_secure_chttp2.c',
-                      'src/core/surface/init_secure.c',
-                      'src/core/surface/secure_channel_create.c',
-                      'src/core/tsi/fake_transport_security.c',
-                      'src/core/tsi/ssl_transport_security.c',
-                      'src/core/tsi/transport_security.c',
-                      'src/core/census/grpc_context.c',
-                      'src/core/census/grpc_filter.c',
-                      'src/core/channel/channel_args.c',
-                      'src/core/channel/channel_stack.c',
-                      'src/core/channel/client_channel.c',
-                      'src/core/channel/client_uchannel.c',
-                      'src/core/channel/compress_filter.c',
-                      'src/core/channel/connected_channel.c',
-                      'src/core/channel/http_client_filter.c',
-                      'src/core/channel/http_server_filter.c',
-                      'src/core/channel/subchannel_call_holder.c',
-                      'src/core/client_config/client_config.c',
-                      'src/core/client_config/connector.c',
-                      'src/core/client_config/default_initial_connect_string.c',
-                      'src/core/client_config/initial_connect_string.c',
-                      'src/core/client_config/lb_policies/pick_first.c',
-                      'src/core/client_config/lb_policies/round_robin.c',
-                      'src/core/client_config/lb_policy.c',
-                      'src/core/client_config/lb_policy_factory.c',
-                      'src/core/client_config/lb_policy_registry.c',
-                      'src/core/client_config/resolver.c',
-                      'src/core/client_config/resolver_factory.c',
-                      'src/core/client_config/resolver_registry.c',
-                      'src/core/client_config/resolvers/dns_resolver.c',
-                      'src/core/client_config/resolvers/sockaddr_resolver.c',
-                      'src/core/client_config/subchannel.c',
-                      'src/core/client_config/subchannel_factory.c',
-                      'src/core/client_config/subchannel_index.c',
-                      'src/core/client_config/uri_parser.c',
-                      'src/core/compression/algorithm.c',
-                      'src/core/compression/message_compress.c',
-                      'src/core/debug/trace.c',
-                      'src/core/httpcli/format_request.c',
-                      'src/core/httpcli/httpcli.c',
-                      'src/core/httpcli/parser.c',
-                      'src/core/iomgr/closure.c',
-                      'src/core/iomgr/endpoint.c',
-                      'src/core/iomgr/endpoint_pair_posix.c',
-                      'src/core/iomgr/endpoint_pair_windows.c',
-                      'src/core/iomgr/exec_ctx.c',
-                      'src/core/iomgr/executor.c',
-                      'src/core/iomgr/fd_posix.c',
-                      'src/core/iomgr/iocp_windows.c',
-                      'src/core/iomgr/iomgr.c',
-                      'src/core/iomgr/iomgr_posix.c',
-                      'src/core/iomgr/iomgr_windows.c',
-                      'src/core/iomgr/pollset_multipoller_with_epoll.c',
-                      'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-                      'src/core/iomgr/pollset_posix.c',
-                      'src/core/iomgr/pollset_set_posix.c',
-                      'src/core/iomgr/pollset_set_windows.c',
-                      'src/core/iomgr/pollset_windows.c',
-                      'src/core/iomgr/resolve_address_posix.c',
-                      'src/core/iomgr/resolve_address_windows.c',
-                      'src/core/iomgr/sockaddr_utils.c',
-                      'src/core/iomgr/socket_utils_common_posix.c',
-                      'src/core/iomgr/socket_utils_linux.c',
-                      'src/core/iomgr/socket_utils_posix.c',
-                      'src/core/iomgr/socket_windows.c',
-                      'src/core/iomgr/tcp_client_posix.c',
-                      'src/core/iomgr/tcp_client_windows.c',
-                      'src/core/iomgr/tcp_posix.c',
-                      'src/core/iomgr/tcp_server_posix.c',
-                      'src/core/iomgr/tcp_server_windows.c',
-                      'src/core/iomgr/tcp_windows.c',
-                      'src/core/iomgr/time_averaged_stats.c',
-                      'src/core/iomgr/timer.c',
-                      'src/core/iomgr/timer_heap.c',
-                      'src/core/iomgr/udp_server.c',
-                      'src/core/iomgr/wakeup_fd_eventfd.c',
-                      'src/core/iomgr/wakeup_fd_nospecial.c',
-                      'src/core/iomgr/wakeup_fd_pipe.c',
-                      'src/core/iomgr/wakeup_fd_posix.c',
-                      'src/core/iomgr/workqueue_posix.c',
-                      'src/core/iomgr/workqueue_windows.c',
-                      'src/core/json/json.c',
-                      'src/core/json/json_reader.c',
-                      'src/core/json/json_string.c',
-                      'src/core/json/json_writer.c',
-                      'src/core/surface/alarm.c',
-                      'src/core/surface/api_trace.c',
-                      'src/core/surface/byte_buffer.c',
-                      'src/core/surface/byte_buffer_reader.c',
-                      'src/core/surface/call.c',
-                      'src/core/surface/call_details.c',
-                      'src/core/surface/call_log_batch.c',
-                      'src/core/surface/channel.c',
-                      'src/core/surface/channel_connectivity.c',
-                      'src/core/surface/channel_create.c',
-                      'src/core/surface/channel_ping.c',
-                      'src/core/surface/completion_queue.c',
-                      'src/core/surface/event_string.c',
-                      'src/core/surface/init.c',
-                      'src/core/surface/lame_client.c',
-                      'src/core/surface/metadata_array.c',
-                      'src/core/surface/server.c',
-                      'src/core/surface/server_chttp2.c',
-                      'src/core/surface/server_create.c',
-                      'src/core/surface/validate_metadata.c',
-                      'src/core/surface/version.c',
-                      'src/core/transport/byte_stream.c',
-                      'src/core/transport/chttp2/alpn.c',
-                      'src/core/transport/chttp2/bin_encoder.c',
-                      'src/core/transport/chttp2/frame_data.c',
-                      'src/core/transport/chttp2/frame_goaway.c',
-                      'src/core/transport/chttp2/frame_ping.c',
-                      'src/core/transport/chttp2/frame_rst_stream.c',
-                      'src/core/transport/chttp2/frame_settings.c',
-                      'src/core/transport/chttp2/frame_window_update.c',
-                      'src/core/transport/chttp2/hpack_encoder.c',
-                      'src/core/transport/chttp2/hpack_parser.c',
-                      'src/core/transport/chttp2/hpack_table.c',
-                      'src/core/transport/chttp2/huffsyms.c',
-                      'src/core/transport/chttp2/incoming_metadata.c',
-                      'src/core/transport/chttp2/parsing.c',
-                      'src/core/transport/chttp2/status_conversion.c',
-                      'src/core/transport/chttp2/stream_lists.c',
-                      'src/core/transport/chttp2/stream_map.c',
-                      'src/core/transport/chttp2/timeout_encoding.c',
-                      'src/core/transport/chttp2/varint.c',
-                      'src/core/transport/chttp2/writing.c',
-                      'src/core/transport/chttp2_transport.c',
-                      'src/core/transport/connectivity_state.c',
-                      'src/core/transport/metadata.c',
-                      'src/core/transport/metadata_batch.c',
-                      'src/core/transport/static_metadata.c',
-                      'src/core/transport/transport.c',
-                      'src/core/transport/transport_op_string.c',
-                      'src/core/census/context.c',
-                      'src/core/census/initialize.c',
-                      'src/core/census/log.c',
-                      'src/core/census/operation.c',
-                      'src/core/census/placeholders.c',
-                      'src/core/census/tracing.c'
+                      'src/core/lib/channel/channel_args.c',
+                      'src/core/lib/channel/channel_stack.c',
+                      'src/core/lib/channel/channel_stack_builder.c',
+                      'src/core/lib/channel/compress_filter.c',
+                      'src/core/lib/channel/connected_channel.c',
+                      'src/core/lib/channel/http_client_filter.c',
+                      'src/core/lib/channel/http_server_filter.c',
+                      'src/core/lib/compression/compression_algorithm.c',
+                      'src/core/lib/compression/message_compress.c',
+                      'src/core/lib/debug/trace.c',
+                      'src/core/lib/http/format_request.c',
+                      'src/core/lib/http/httpcli.c',
+                      'src/core/lib/http/parser.c',
+                      'src/core/lib/iomgr/closure.c',
+                      'src/core/lib/iomgr/endpoint.c',
+                      'src/core/lib/iomgr/endpoint_pair_posix.c',
+                      'src/core/lib/iomgr/endpoint_pair_windows.c',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+                      'src/core/lib/iomgr/ev_posix.c',
+                      'src/core/lib/iomgr/exec_ctx.c',
+                      'src/core/lib/iomgr/executor.c',
+                      'src/core/lib/iomgr/iocp_windows.c',
+                      'src/core/lib/iomgr/iomgr.c',
+                      'src/core/lib/iomgr/iomgr_posix.c',
+                      'src/core/lib/iomgr/iomgr_windows.c',
+                      'src/core/lib/iomgr/pollset_set_windows.c',
+                      'src/core/lib/iomgr/pollset_windows.c',
+                      'src/core/lib/iomgr/resolve_address_posix.c',
+                      'src/core/lib/iomgr/resolve_address_windows.c',
+                      'src/core/lib/iomgr/sockaddr_utils.c',
+                      'src/core/lib/iomgr/socket_utils_common_posix.c',
+                      'src/core/lib/iomgr/socket_utils_linux.c',
+                      'src/core/lib/iomgr/socket_utils_posix.c',
+                      'src/core/lib/iomgr/socket_windows.c',
+                      'src/core/lib/iomgr/tcp_client_posix.c',
+                      'src/core/lib/iomgr/tcp_client_windows.c',
+                      'src/core/lib/iomgr/tcp_posix.c',
+                      'src/core/lib/iomgr/tcp_server_posix.c',
+                      'src/core/lib/iomgr/tcp_server_windows.c',
+                      'src/core/lib/iomgr/tcp_windows.c',
+                      'src/core/lib/iomgr/time_averaged_stats.c',
+                      'src/core/lib/iomgr/timer.c',
+                      'src/core/lib/iomgr/timer_heap.c',
+                      'src/core/lib/iomgr/udp_server.c',
+                      'src/core/lib/iomgr/unix_sockets_posix.c',
+                      'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+                      'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+                      'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.c',
+                      'src/core/lib/iomgr/wakeup_fd_posix.c',
+                      'src/core/lib/iomgr/workqueue_posix.c',
+                      'src/core/lib/iomgr/workqueue_windows.c',
+                      'src/core/lib/json/json.c',
+                      'src/core/lib/json/json_reader.c',
+                      'src/core/lib/json/json_string.c',
+                      'src/core/lib/json/json_writer.c',
+                      'src/core/lib/surface/alarm.c',
+                      'src/core/lib/surface/api_trace.c',
+                      'src/core/lib/surface/byte_buffer.c',
+                      'src/core/lib/surface/byte_buffer_reader.c',
+                      'src/core/lib/surface/call.c',
+                      'src/core/lib/surface/call_details.c',
+                      'src/core/lib/surface/call_log_batch.c',
+                      'src/core/lib/surface/channel.c',
+                      'src/core/lib/surface/channel_init.c',
+                      'src/core/lib/surface/channel_ping.c',
+                      'src/core/lib/surface/channel_stack_type.c',
+                      'src/core/lib/surface/completion_queue.c',
+                      'src/core/lib/surface/event_string.c',
+                      'src/core/lib/surface/init.c',
+                      'src/core/lib/surface/lame_client.c',
+                      'src/core/lib/surface/metadata_array.c',
+                      'src/core/lib/surface/server.c',
+                      'src/core/lib/surface/validate_metadata.c',
+                      'src/core/lib/surface/version.c',
+                      'src/core/lib/transport/byte_stream.c',
+                      'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/metadata.c',
+                      'src/core/lib/transport/metadata_batch.c',
+                      'src/core/lib/transport/static_metadata.c',
+                      'src/core/lib/transport/transport.c',
+                      'src/core/lib/transport/transport_op_string.c',
+                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+                      'src/core/ext/transport/chttp2/transport/frame_data.c',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+                      'src/core/ext/transport/chttp2/transport/parsing.c',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
+                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
+                      'src/core/ext/transport/chttp2/transport/stream_map.c',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+                      'src/core/ext/transport/chttp2/transport/varint.c',
+                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'src/core/ext/transport/chttp2/alpn/alpn.c',
+                      'src/core/lib/http/httpcli_security_connector.c',
+                      'src/core/lib/security/b64.c',
+                      'src/core/lib/security/client_auth_filter.c',
+                      'src/core/lib/security/credentials.c',
+                      'src/core/lib/security/credentials_metadata.c',
+                      'src/core/lib/security/credentials_posix.c',
+                      'src/core/lib/security/credentials_win32.c',
+                      'src/core/lib/security/google_default_credentials.c',
+                      'src/core/lib/security/handshake.c',
+                      'src/core/lib/security/json_token.c',
+                      'src/core/lib/security/jwt_verifier.c',
+                      'src/core/lib/security/secure_endpoint.c',
+                      'src/core/lib/security/security_connector.c',
+                      'src/core/lib/security/security_context.c',
+                      'src/core/lib/security/server_auth_filter.c',
+                      'src/core/lib/surface/init_secure.c',
+                      'src/core/lib/tsi/fake_transport_security.c',
+                      'src/core/lib/tsi/ssl_transport_security.c',
+                      'src/core/lib/tsi/transport_security.c',
+                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+                      'src/core/ext/client_config/channel_connectivity.c',
+                      'src/core/ext/client_config/client_channel.c',
+                      'src/core/ext/client_config/client_channel_factory.c',
+                      'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
+                      'src/core/ext/client_config/connector.c',
+                      'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/initial_connect_string.c',
+                      'src/core/ext/client_config/lb_policy.c',
+                      'src/core/ext/client_config/lb_policy_factory.c',
+                      'src/core/ext/client_config/lb_policy_registry.c',
+                      'src/core/ext/client_config/parse_address.c',
+                      'src/core/ext/client_config/resolver.c',
+                      'src/core/ext/client_config/resolver_factory.c',
+                      'src/core/ext/client_config/resolver_registry.c',
+                      'src/core/ext/client_config/subchannel.c',
+                      'src/core/ext/client_config/subchannel_call_holder.c',
+                      'src/core/ext/client_config/subchannel_index.c',
+                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
+                      'third_party/nanopb/pb_common.c',
+                      'third_party/nanopb/pb_decode.c',
+                      'third_party/nanopb/pb_encode.c',
+                      'src/core/ext/lb_policy/pick_first/pick_first.c',
+                      'src/core/ext/lb_policy/round_robin/round_robin.c',
+                      'src/core/ext/resolver/dns/native/dns_resolver.c',
+                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+                      'src/core/ext/census/context.c',
+                      'src/core/ext/census/grpc_context.c',
+                      'src/core/ext/census/grpc_filter.c',
+                      'src/core/ext/census/grpc_plugin.c',
+                      'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/mlog.c',
+                      'src/core/ext/census/operation.c',
+                      'src/core/ext/census/placeholders.c',
+                      'src/core/ext/census/tracing.c',
+                      'src/core/plugin_registry/grpc_plugin_registry.c'
 
-    ss.private_header_files = 'src/core/profiling/timers.h',
-                              'src/core/support/block_annotate.h',
-                              'src/core/support/env.h',
-                              'src/core/support/file.h',
-                              'src/core/support/murmur_hash.h',
-                              'src/core/support/stack_lockfree.h',
-                              'src/core/support/string.h',
-                              'src/core/support/string_win32.h',
-                              'src/core/support/thd_internal.h',
-                              'src/core/support/time_precise.h',
-                              'src/core/security/auth_filters.h',
-                              'src/core/security/base64.h',
-                              'src/core/security/credentials.h',
-                              'src/core/security/handshake.h',
-                              'src/core/security/json_token.h',
-                              'src/core/security/jwt_verifier.h',
-                              'src/core/security/secure_endpoint.h',
-                              'src/core/security/security_connector.h',
-                              'src/core/security/security_context.h',
-                              'src/core/tsi/fake_transport_security.h',
-                              'src/core/tsi/ssl_transport_security.h',
-                              'src/core/tsi/ssl_types.h',
-                              'src/core/tsi/transport_security.h',
-                              'src/core/tsi/transport_security_interface.h',
-                              'src/core/census/grpc_filter.h',
-                              'src/core/channel/channel_args.h',
-                              'src/core/channel/channel_stack.h',
-                              'src/core/channel/client_channel.h',
-                              'src/core/channel/client_uchannel.h',
-                              'src/core/channel/compress_filter.h',
-                              'src/core/channel/connected_channel.h',
-                              'src/core/channel/context.h',
-                              'src/core/channel/http_client_filter.h',
-                              'src/core/channel/http_server_filter.h',
-                              'src/core/channel/subchannel_call_holder.h',
-                              'src/core/client_config/client_config.h',
-                              'src/core/client_config/connector.h',
-                              'src/core/client_config/initial_connect_string.h',
-                              'src/core/client_config/lb_policies/pick_first.h',
-                              'src/core/client_config/lb_policies/round_robin.h',
-                              'src/core/client_config/lb_policy.h',
-                              'src/core/client_config/lb_policy_factory.h',
-                              'src/core/client_config/lb_policy_registry.h',
-                              'src/core/client_config/resolver.h',
-                              'src/core/client_config/resolver_factory.h',
-                              'src/core/client_config/resolver_registry.h',
-                              'src/core/client_config/resolvers/dns_resolver.h',
-                              'src/core/client_config/resolvers/sockaddr_resolver.h',
-                              'src/core/client_config/subchannel.h',
-                              'src/core/client_config/subchannel_factory.h',
-                              'src/core/client_config/subchannel_index.h',
-                              'src/core/client_config/uri_parser.h',
-                              'src/core/compression/algorithm_metadata.h',
-                              'src/core/compression/message_compress.h',
-                              'src/core/debug/trace.h',
-                              'src/core/httpcli/format_request.h',
-                              'src/core/httpcli/httpcli.h',
-                              'src/core/httpcli/parser.h',
-                              'src/core/iomgr/closure.h',
-                              'src/core/iomgr/endpoint.h',
-                              'src/core/iomgr/endpoint_pair.h',
-                              'src/core/iomgr/exec_ctx.h',
-                              'src/core/iomgr/executor.h',
-                              'src/core/iomgr/fd_posix.h',
-                              'src/core/iomgr/iocp_windows.h',
-                              'src/core/iomgr/iomgr.h',
-                              'src/core/iomgr/iomgr_internal.h',
-                              'src/core/iomgr/iomgr_posix.h',
-                              'src/core/iomgr/pollset.h',
-                              'src/core/iomgr/pollset_posix.h',
-                              'src/core/iomgr/pollset_set.h',
-                              'src/core/iomgr/pollset_set_posix.h',
-                              'src/core/iomgr/pollset_set_windows.h',
-                              'src/core/iomgr/pollset_windows.h',
-                              'src/core/iomgr/resolve_address.h',
-                              'src/core/iomgr/sockaddr.h',
-                              'src/core/iomgr/sockaddr_posix.h',
-                              'src/core/iomgr/sockaddr_utils.h',
-                              'src/core/iomgr/sockaddr_win32.h',
-                              'src/core/iomgr/socket_utils_posix.h',
-                              'src/core/iomgr/socket_windows.h',
-                              'src/core/iomgr/tcp_client.h',
-                              'src/core/iomgr/tcp_posix.h',
-                              'src/core/iomgr/tcp_server.h',
-                              'src/core/iomgr/tcp_windows.h',
-                              'src/core/iomgr/time_averaged_stats.h',
-                              'src/core/iomgr/timer.h',
-                              'src/core/iomgr/timer_heap.h',
-                              'src/core/iomgr/timer_internal.h',
-                              'src/core/iomgr/udp_server.h',
-                              'src/core/iomgr/wakeup_fd_pipe.h',
-                              'src/core/iomgr/wakeup_fd_posix.h',
-                              'src/core/iomgr/workqueue.h',
-                              'src/core/iomgr/workqueue_posix.h',
-                              'src/core/iomgr/workqueue_windows.h',
-                              'src/core/json/json.h',
-                              'src/core/json/json_common.h',
-                              'src/core/json/json_reader.h',
-                              'src/core/json/json_writer.h',
-                              'src/core/statistics/census_interface.h',
-                              'src/core/statistics/census_rpc_stats.h',
-                              'src/core/surface/api_trace.h',
-                              'src/core/surface/call.h',
-                              'src/core/surface/call_test_only.h',
-                              'src/core/surface/channel.h',
-                              'src/core/surface/completion_queue.h',
-                              'src/core/surface/event_string.h',
-                              'src/core/surface/init.h',
-                              'src/core/surface/server.h',
-                              'src/core/surface/surface_trace.h',
-                              'src/core/transport/byte_stream.h',
-                              'src/core/transport/chttp2/alpn.h',
-                              'src/core/transport/chttp2/bin_encoder.h',
-                              'src/core/transport/chttp2/frame.h',
-                              'src/core/transport/chttp2/frame_data.h',
-                              'src/core/transport/chttp2/frame_goaway.h',
-                              'src/core/transport/chttp2/frame_ping.h',
-                              'src/core/transport/chttp2/frame_rst_stream.h',
-                              'src/core/transport/chttp2/frame_settings.h',
-                              'src/core/transport/chttp2/frame_window_update.h',
-                              'src/core/transport/chttp2/hpack_encoder.h',
-                              'src/core/transport/chttp2/hpack_parser.h',
-                              'src/core/transport/chttp2/hpack_table.h',
-                              'src/core/transport/chttp2/http2_errors.h',
-                              'src/core/transport/chttp2/huffsyms.h',
-                              'src/core/transport/chttp2/incoming_metadata.h',
-                              'src/core/transport/chttp2/internal.h',
-                              'src/core/transport/chttp2/status_conversion.h',
-                              'src/core/transport/chttp2/stream_map.h',
-                              'src/core/transport/chttp2/timeout_encoding.h',
-                              'src/core/transport/chttp2/varint.h',
-                              'src/core/transport/chttp2_transport.h',
-                              'src/core/transport/connectivity_state.h',
-                              'src/core/transport/metadata.h',
-                              'src/core/transport/metadata_batch.h',
-                              'src/core/transport/static_metadata.h',
-                              'src/core/transport/transport.h',
-                              'src/core/transport/transport_impl.h',
-                              'src/core/census/aggregation.h',
-                              'src/core/census/log.h',
-                              'src/core/census/rpc_metric_id.h'
+    ss.private_header_files = 'src/core/lib/profiling/timers.h',
+                              'src/core/lib/support/backoff.h',
+                              'src/core/lib/support/block_annotate.h',
+                              'src/core/lib/support/env.h',
+                              'src/core/lib/support/load_file.h',
+                              'src/core/lib/support/murmur_hash.h',
+                              'src/core/lib/support/stack_lockfree.h',
+                              'src/core/lib/support/string.h',
+                              'src/core/lib/support/string_win32.h',
+                              'src/core/lib/support/thd_internal.h',
+                              'src/core/lib/support/time_precise.h',
+                              'src/core/lib/support/tmpfile.h',
+                              'src/core/lib/channel/channel_args.h',
+                              'src/core/lib/channel/channel_stack.h',
+                              'src/core/lib/channel/channel_stack_builder.h',
+                              'src/core/lib/channel/compress_filter.h',
+                              'src/core/lib/channel/connected_channel.h',
+                              'src/core/lib/channel/context.h',
+                              'src/core/lib/channel/http_client_filter.h',
+                              'src/core/lib/channel/http_server_filter.h',
+                              'src/core/lib/compression/algorithm_metadata.h',
+                              'src/core/lib/compression/message_compress.h',
+                              'src/core/lib/debug/trace.h',
+                              'src/core/lib/http/format_request.h',
+                              'src/core/lib/http/httpcli.h',
+                              'src/core/lib/http/parser.h',
+                              'src/core/lib/iomgr/closure.h',
+                              'src/core/lib/iomgr/endpoint.h',
+                              'src/core/lib/iomgr/endpoint_pair.h',
+                              'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                              'src/core/lib/iomgr/ev_posix.h',
+                              'src/core/lib/iomgr/exec_ctx.h',
+                              'src/core/lib/iomgr/executor.h',
+                              'src/core/lib/iomgr/iocp_windows.h',
+                              'src/core/lib/iomgr/iomgr.h',
+                              'src/core/lib/iomgr/iomgr_internal.h',
+                              'src/core/lib/iomgr/iomgr_posix.h',
+                              'src/core/lib/iomgr/pollset.h',
+                              'src/core/lib/iomgr/pollset_set.h',
+                              'src/core/lib/iomgr/pollset_set_windows.h',
+                              'src/core/lib/iomgr/pollset_windows.h',
+                              'src/core/lib/iomgr/resolve_address.h',
+                              'src/core/lib/iomgr/sockaddr.h',
+                              'src/core/lib/iomgr/sockaddr_posix.h',
+                              'src/core/lib/iomgr/sockaddr_utils.h',
+                              'src/core/lib/iomgr/sockaddr_win32.h',
+                              'src/core/lib/iomgr/socket_utils_posix.h',
+                              'src/core/lib/iomgr/socket_windows.h',
+                              'src/core/lib/iomgr/tcp_client.h',
+                              'src/core/lib/iomgr/tcp_posix.h',
+                              'src/core/lib/iomgr/tcp_server.h',
+                              'src/core/lib/iomgr/tcp_windows.h',
+                              'src/core/lib/iomgr/time_averaged_stats.h',
+                              'src/core/lib/iomgr/timer.h',
+                              'src/core/lib/iomgr/timer_heap.h',
+                              'src/core/lib/iomgr/udp_server.h',
+                              'src/core/lib/iomgr/unix_sockets_posix.h',
+                              'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                              'src/core/lib/iomgr/wakeup_fd_posix.h',
+                              'src/core/lib/iomgr/workqueue.h',
+                              'src/core/lib/iomgr/workqueue_posix.h',
+                              'src/core/lib/iomgr/workqueue_windows.h',
+                              'src/core/lib/json/json.h',
+                              'src/core/lib/json/json_common.h',
+                              'src/core/lib/json/json_reader.h',
+                              'src/core/lib/json/json_writer.h',
+                              'src/core/lib/surface/api_trace.h',
+                              'src/core/lib/surface/call.h',
+                              'src/core/lib/surface/call_test_only.h',
+                              'src/core/lib/surface/channel.h',
+                              'src/core/lib/surface/channel_init.h',
+                              'src/core/lib/surface/channel_stack_type.h',
+                              'src/core/lib/surface/completion_queue.h',
+                              'src/core/lib/surface/event_string.h',
+                              'src/core/lib/surface/init.h',
+                              'src/core/lib/surface/lame_client.h',
+                              'src/core/lib/surface/server.h',
+                              'src/core/lib/surface/surface_trace.h',
+                              'src/core/lib/transport/byte_stream.h',
+                              'src/core/lib/transport/connectivity_state.h',
+                              'src/core/lib/transport/metadata.h',
+                              'src/core/lib/transport/metadata_batch.h',
+                              'src/core/lib/transport/static_metadata.h',
+                              'src/core/lib/transport/transport.h',
+                              'src/core/lib/transport/transport_impl.h',
+                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                              'src/core/ext/transport/chttp2/transport/frame.h',
+                              'src/core/ext/transport/chttp2/transport/frame_data.h',
+                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                              'src/core/ext/transport/chttp2/transport/internal.h',
+                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                              'src/core/ext/transport/chttp2/transport/stream_map.h',
+                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                              'src/core/ext/transport/chttp2/transport/varint.h',
+                              'src/core/ext/transport/chttp2/alpn/alpn.h',
+                              'src/core/lib/security/auth_filters.h',
+                              'src/core/lib/security/b64.h',
+                              'src/core/lib/security/credentials.h',
+                              'src/core/lib/security/handshake.h',
+                              'src/core/lib/security/json_token.h',
+                              'src/core/lib/security/jwt_verifier.h',
+                              'src/core/lib/security/secure_endpoint.h',
+                              'src/core/lib/security/security_connector.h',
+                              'src/core/lib/security/security_context.h',
+                              'src/core/lib/tsi/fake_transport_security.h',
+                              'src/core/lib/tsi/ssl_transport_security.h',
+                              'src/core/lib/tsi/ssl_types.h',
+                              'src/core/lib/tsi/transport_security.h',
+                              'src/core/lib/tsi/transport_security_interface.h',
+                              'src/core/ext/client_config/client_channel.h',
+                              'src/core/ext/client_config/client_channel_factory.h',
+                              'src/core/ext/client_config/client_config.h',
+                              'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/initial_connect_string.h',
+                              'src/core/ext/client_config/lb_policy.h',
+                              'src/core/ext/client_config/lb_policy_factory.h',
+                              'src/core/ext/client_config/lb_policy_registry.h',
+                              'src/core/ext/client_config/parse_address.h',
+                              'src/core/ext/client_config/resolver.h',
+                              'src/core/ext/client_config/resolver_factory.h',
+                              'src/core/ext/client_config/resolver_registry.h',
+                              'src/core/ext/client_config/subchannel.h',
+                              'src/core/ext/client_config/subchannel_call_holder.h',
+                              'src/core/ext/client_config/subchannel_index.h',
+                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+                              'third_party/nanopb/pb.h',
+                              'third_party/nanopb/pb_common.h',
+                              'third_party/nanopb/pb_decode.h',
+                              'third_party/nanopb/pb_encode.h',
+                              'src/core/ext/census/aggregation.h',
+                              'src/core/ext/census/census_interface.h',
+                              'src/core/ext/census/census_rpc_stats.h',
+                              'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/mlog.h',
+                              'src/core/ext/census/rpc_metric_id.h'
 
     ss.header_mappings_dir = '.'
     # This isn't officially supported in Cocoapods. We've asked for an alternative:
diff --git a/grpc.def b/grpc.def
index bd0bc85a7c..f81aa1b05a 100644
--- a/grpc.def
+++ b/grpc.def
@@ -182,6 +182,7 @@ EXPORTS
     gpr_event_wait
     gpr_ref_init
     gpr_ref
+    gpr_ref_non_zero
     gpr_refn
     gpr_unref
     gpr_stats_init
diff --git a/grpc.gemspec b/grpc.gemspec
index 1358b0f6df..9c858b2579 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -35,6 +35,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'googleauth',      '~> 0.5.1'
 
   s.add_development_dependency 'bundler',            '~> 1.9'
+  s.add_development_dependency 'facter',             '~> 2.4'
   s.add_development_dependency 'logging',            '~> 2.0'
   s.add_development_dependency 'simplecov',          '~> 0.9'
   s.add_development_dependency 'rake',               '~> 10.4'
@@ -88,358 +89,390 @@ Gem::Specification.new do |s|
   s.files += %w( include/grpc/impl/codegen/sync_posix.h )
   s.files += %w( include/grpc/impl/codegen/sync_win32.h )
   s.files += %w( include/grpc/impl/codegen/time.h )
-  s.files += %w( src/core/profiling/timers.h )
-  s.files += %w( src/core/support/block_annotate.h )
-  s.files += %w( src/core/support/env.h )
-  s.files += %w( src/core/support/file.h )
-  s.files += %w( src/core/support/murmur_hash.h )
-  s.files += %w( src/core/support/stack_lockfree.h )
-  s.files += %w( src/core/support/string.h )
-  s.files += %w( src/core/support/string_win32.h )
-  s.files += %w( src/core/support/thd_internal.h )
-  s.files += %w( src/core/support/time_precise.h )
-  s.files += %w( src/core/profiling/basic_timers.c )
-  s.files += %w( src/core/profiling/stap_timers.c )
-  s.files += %w( src/core/support/alloc.c )
-  s.files += %w( src/core/support/avl.c )
-  s.files += %w( src/core/support/cmdline.c )
-  s.files += %w( src/core/support/cpu_iphone.c )
-  s.files += %w( src/core/support/cpu_linux.c )
-  s.files += %w( src/core/support/cpu_posix.c )
-  s.files += %w( src/core/support/cpu_windows.c )
-  s.files += %w( src/core/support/env_linux.c )
-  s.files += %w( src/core/support/env_posix.c )
-  s.files += %w( src/core/support/env_win32.c )
-  s.files += %w( src/core/support/file.c )
-  s.files += %w( src/core/support/file_posix.c )
-  s.files += %w( src/core/support/file_win32.c )
-  s.files += %w( src/core/support/histogram.c )
-  s.files += %w( src/core/support/host_port.c )
-  s.files += %w( src/core/support/log.c )
-  s.files += %w( src/core/support/log_android.c )
-  s.files += %w( src/core/support/log_linux.c )
-  s.files += %w( src/core/support/log_posix.c )
-  s.files += %w( src/core/support/log_win32.c )
-  s.files += %w( src/core/support/murmur_hash.c )
-  s.files += %w( src/core/support/slice.c )
-  s.files += %w( src/core/support/slice_buffer.c )
-  s.files += %w( src/core/support/stack_lockfree.c )
-  s.files += %w( src/core/support/string.c )
-  s.files += %w( src/core/support/string_posix.c )
-  s.files += %w( src/core/support/string_win32.c )
-  s.files += %w( src/core/support/subprocess_posix.c )
-  s.files += %w( src/core/support/subprocess_windows.c )
-  s.files += %w( src/core/support/sync.c )
-  s.files += %w( src/core/support/sync_posix.c )
-  s.files += %w( src/core/support/sync_win32.c )
-  s.files += %w( src/core/support/thd.c )
-  s.files += %w( src/core/support/thd_posix.c )
-  s.files += %w( src/core/support/thd_win32.c )
-  s.files += %w( src/core/support/time.c )
-  s.files += %w( src/core/support/time_posix.c )
-  s.files += %w( src/core/support/time_precise.c )
-  s.files += %w( src/core/support/time_win32.c )
-  s.files += %w( src/core/support/tls_pthread.c )
-  s.files += %w( src/core/support/wrap_memcpy.c )
-  s.files += %w( include/grpc/grpc_security.h )
+  s.files += %w( src/core/lib/profiling/timers.h )
+  s.files += %w( src/core/lib/support/backoff.h )
+  s.files += %w( src/core/lib/support/block_annotate.h )
+  s.files += %w( src/core/lib/support/env.h )
+  s.files += %w( src/core/lib/support/load_file.h )
+  s.files += %w( src/core/lib/support/murmur_hash.h )
+  s.files += %w( src/core/lib/support/stack_lockfree.h )
+  s.files += %w( src/core/lib/support/string.h )
+  s.files += %w( src/core/lib/support/string_win32.h )
+  s.files += %w( src/core/lib/support/thd_internal.h )
+  s.files += %w( src/core/lib/support/time_precise.h )
+  s.files += %w( src/core/lib/support/tmpfile.h )
+  s.files += %w( src/core/lib/profiling/basic_timers.c )
+  s.files += %w( src/core/lib/profiling/stap_timers.c )
+  s.files += %w( src/core/lib/support/alloc.c )
+  s.files += %w( src/core/lib/support/avl.c )
+  s.files += %w( src/core/lib/support/backoff.c )
+  s.files += %w( src/core/lib/support/cmdline.c )
+  s.files += %w( src/core/lib/support/cpu_iphone.c )
+  s.files += %w( src/core/lib/support/cpu_linux.c )
+  s.files += %w( src/core/lib/support/cpu_posix.c )
+  s.files += %w( src/core/lib/support/cpu_windows.c )
+  s.files += %w( src/core/lib/support/env_linux.c )
+  s.files += %w( src/core/lib/support/env_posix.c )
+  s.files += %w( src/core/lib/support/env_win32.c )
+  s.files += %w( src/core/lib/support/histogram.c )
+  s.files += %w( src/core/lib/support/host_port.c )
+  s.files += %w( src/core/lib/support/load_file.c )
+  s.files += %w( src/core/lib/support/log.c )
+  s.files += %w( src/core/lib/support/log_android.c )
+  s.files += %w( src/core/lib/support/log_linux.c )
+  s.files += %w( src/core/lib/support/log_posix.c )
+  s.files += %w( src/core/lib/support/log_win32.c )
+  s.files += %w( src/core/lib/support/murmur_hash.c )
+  s.files += %w( src/core/lib/support/slice.c )
+  s.files += %w( src/core/lib/support/slice_buffer.c )
+  s.files += %w( src/core/lib/support/stack_lockfree.c )
+  s.files += %w( src/core/lib/support/string.c )
+  s.files += %w( src/core/lib/support/string_posix.c )
+  s.files += %w( src/core/lib/support/string_win32.c )
+  s.files += %w( src/core/lib/support/subprocess_posix.c )
+  s.files += %w( src/core/lib/support/subprocess_windows.c )
+  s.files += %w( src/core/lib/support/sync.c )
+  s.files += %w( src/core/lib/support/sync_posix.c )
+  s.files += %w( src/core/lib/support/sync_win32.c )
+  s.files += %w( src/core/lib/support/thd.c )
+  s.files += %w( src/core/lib/support/thd_posix.c )
+  s.files += %w( src/core/lib/support/thd_win32.c )
+  s.files += %w( src/core/lib/support/time.c )
+  s.files += %w( src/core/lib/support/time_posix.c )
+  s.files += %w( src/core/lib/support/time_precise.c )
+  s.files += %w( src/core/lib/support/time_win32.c )
+  s.files += %w( src/core/lib/support/tls_pthread.c )
+  s.files += %w( src/core/lib/support/tmpfile_posix.c )
+  s.files += %w( src/core/lib/support/tmpfile_win32.c )
+  s.files += %w( src/core/lib/support/wrap_memcpy.c )
+  s.files += %w( include/grpc/byte_buffer.h )
+  s.files += %w( include/grpc/byte_buffer_reader.h )
+  s.files += %w( include/grpc/compression.h )
+  s.files += %w( include/grpc/grpc.h )
+  s.files += %w( include/grpc/status.h )
   s.files += %w( include/grpc/impl/codegen/byte_buffer.h )
   s.files += %w( include/grpc/impl/codegen/compression_types.h )
   s.files += %w( include/grpc/impl/codegen/connectivity_state.h )
   s.files += %w( include/grpc/impl/codegen/grpc_types.h )
   s.files += %w( include/grpc/impl/codegen/propagation_bits.h )
   s.files += %w( include/grpc/impl/codegen/status.h )
-  s.files += %w( include/grpc/byte_buffer.h )
-  s.files += %w( include/grpc/byte_buffer_reader.h )
-  s.files += %w( include/grpc/compression.h )
-  s.files += %w( include/grpc/grpc.h )
-  s.files += %w( include/grpc/status.h )
+  s.files += %w( include/grpc/impl/codegen/alloc.h )
+  s.files += %w( include/grpc/impl/codegen/atm.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
+  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/log.h )
+  s.files += %w( include/grpc/impl/codegen/port_platform.h )
+  s.files += %w( include/grpc/impl/codegen/slice.h )
+  s.files += %w( include/grpc/impl/codegen/slice_buffer.h )
+  s.files += %w( include/grpc/impl/codegen/sync.h )
+  s.files += %w( include/grpc/impl/codegen/sync_generic.h )
+  s.files += %w( include/grpc/impl/codegen/sync_posix.h )
+  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/time.h )
+  s.files += %w( include/grpc/grpc_security.h )
   s.files += %w( include/grpc/census.h )
-  s.files += %w( src/core/security/auth_filters.h )
-  s.files += %w( src/core/security/base64.h )
-  s.files += %w( src/core/security/credentials.h )
-  s.files += %w( src/core/security/handshake.h )
-  s.files += %w( src/core/security/json_token.h )
-  s.files += %w( src/core/security/jwt_verifier.h )
-  s.files += %w( src/core/security/secure_endpoint.h )
-  s.files += %w( src/core/security/security_connector.h )
-  s.files += %w( src/core/security/security_context.h )
-  s.files += %w( src/core/tsi/fake_transport_security.h )
-  s.files += %w( src/core/tsi/ssl_transport_security.h )
-  s.files += %w( src/core/tsi/ssl_types.h )
-  s.files += %w( src/core/tsi/transport_security.h )
-  s.files += %w( src/core/tsi/transport_security_interface.h )
-  s.files += %w( src/core/census/grpc_filter.h )
-  s.files += %w( src/core/channel/channel_args.h )
-  s.files += %w( src/core/channel/channel_stack.h )
-  s.files += %w( src/core/channel/client_channel.h )
-  s.files += %w( src/core/channel/client_uchannel.h )
-  s.files += %w( src/core/channel/compress_filter.h )
-  s.files += %w( src/core/channel/connected_channel.h )
-  s.files += %w( src/core/channel/context.h )
-  s.files += %w( src/core/channel/http_client_filter.h )
-  s.files += %w( src/core/channel/http_server_filter.h )
-  s.files += %w( src/core/channel/subchannel_call_holder.h )
-  s.files += %w( src/core/client_config/client_config.h )
-  s.files += %w( src/core/client_config/connector.h )
-  s.files += %w( src/core/client_config/initial_connect_string.h )
-  s.files += %w( src/core/client_config/lb_policies/pick_first.h )
-  s.files += %w( src/core/client_config/lb_policies/round_robin.h )
-  s.files += %w( src/core/client_config/lb_policy.h )
-  s.files += %w( src/core/client_config/lb_policy_factory.h )
-  s.files += %w( src/core/client_config/lb_policy_registry.h )
-  s.files += %w( src/core/client_config/resolver.h )
-  s.files += %w( src/core/client_config/resolver_factory.h )
-  s.files += %w( src/core/client_config/resolver_registry.h )
-  s.files += %w( src/core/client_config/resolvers/dns_resolver.h )
-  s.files += %w( src/core/client_config/resolvers/sockaddr_resolver.h )
-  s.files += %w( src/core/client_config/subchannel.h )
-  s.files += %w( src/core/client_config/subchannel_factory.h )
-  s.files += %w( src/core/client_config/subchannel_index.h )
-  s.files += %w( src/core/client_config/uri_parser.h )
-  s.files += %w( src/core/compression/algorithm_metadata.h )
-  s.files += %w( src/core/compression/message_compress.h )
-  s.files += %w( src/core/debug/trace.h )
-  s.files += %w( src/core/httpcli/format_request.h )
-  s.files += %w( src/core/httpcli/httpcli.h )
-  s.files += %w( src/core/httpcli/parser.h )
-  s.files += %w( src/core/iomgr/closure.h )
-  s.files += %w( src/core/iomgr/endpoint.h )
-  s.files += %w( src/core/iomgr/endpoint_pair.h )
-  s.files += %w( src/core/iomgr/exec_ctx.h )
-  s.files += %w( src/core/iomgr/executor.h )
-  s.files += %w( src/core/iomgr/fd_posix.h )
-  s.files += %w( src/core/iomgr/iocp_windows.h )
-  s.files += %w( src/core/iomgr/iomgr.h )
-  s.files += %w( src/core/iomgr/iomgr_internal.h )
-  s.files += %w( src/core/iomgr/iomgr_posix.h )
-  s.files += %w( src/core/iomgr/pollset.h )
-  s.files += %w( src/core/iomgr/pollset_posix.h )
-  s.files += %w( src/core/iomgr/pollset_set.h )
-  s.files += %w( src/core/iomgr/pollset_set_posix.h )
-  s.files += %w( src/core/iomgr/pollset_set_windows.h )
-  s.files += %w( src/core/iomgr/pollset_windows.h )
-  s.files += %w( src/core/iomgr/resolve_address.h )
-  s.files += %w( src/core/iomgr/sockaddr.h )
-  s.files += %w( src/core/iomgr/sockaddr_posix.h )
-  s.files += %w( src/core/iomgr/sockaddr_utils.h )
-  s.files += %w( src/core/iomgr/sockaddr_win32.h )
-  s.files += %w( src/core/iomgr/socket_utils_posix.h )
-  s.files += %w( src/core/iomgr/socket_windows.h )
-  s.files += %w( src/core/iomgr/tcp_client.h )
-  s.files += %w( src/core/iomgr/tcp_posix.h )
-  s.files += %w( src/core/iomgr/tcp_server.h )
-  s.files += %w( src/core/iomgr/tcp_windows.h )
-  s.files += %w( src/core/iomgr/time_averaged_stats.h )
-  s.files += %w( src/core/iomgr/timer.h )
-  s.files += %w( src/core/iomgr/timer_heap.h )
-  s.files += %w( src/core/iomgr/timer_internal.h )
-  s.files += %w( src/core/iomgr/udp_server.h )
-  s.files += %w( src/core/iomgr/wakeup_fd_pipe.h )
-  s.files += %w( src/core/iomgr/wakeup_fd_posix.h )
-  s.files += %w( src/core/iomgr/workqueue.h )
-  s.files += %w( src/core/iomgr/workqueue_posix.h )
-  s.files += %w( src/core/iomgr/workqueue_windows.h )
-  s.files += %w( src/core/json/json.h )
-  s.files += %w( src/core/json/json_common.h )
-  s.files += %w( src/core/json/json_reader.h )
-  s.files += %w( src/core/json/json_writer.h )
-  s.files += %w( src/core/statistics/census_interface.h )
-  s.files += %w( src/core/statistics/census_rpc_stats.h )
-  s.files += %w( src/core/surface/api_trace.h )
-  s.files += %w( src/core/surface/call.h )
-  s.files += %w( src/core/surface/call_test_only.h )
-  s.files += %w( src/core/surface/channel.h )
-  s.files += %w( src/core/surface/completion_queue.h )
-  s.files += %w( src/core/surface/event_string.h )
-  s.files += %w( src/core/surface/init.h )
-  s.files += %w( src/core/surface/server.h )
-  s.files += %w( src/core/surface/surface_trace.h )
-  s.files += %w( src/core/transport/byte_stream.h )
-  s.files += %w( src/core/transport/chttp2/alpn.h )
-  s.files += %w( src/core/transport/chttp2/bin_encoder.h )
-  s.files += %w( src/core/transport/chttp2/frame.h )
-  s.files += %w( src/core/transport/chttp2/frame_data.h )
-  s.files += %w( src/core/transport/chttp2/frame_goaway.h )
-  s.files += %w( src/core/transport/chttp2/frame_ping.h )
-  s.files += %w( src/core/transport/chttp2/frame_rst_stream.h )
-  s.files += %w( src/core/transport/chttp2/frame_settings.h )
-  s.files += %w( src/core/transport/chttp2/frame_window_update.h )
-  s.files += %w( src/core/transport/chttp2/hpack_encoder.h )
-  s.files += %w( src/core/transport/chttp2/hpack_parser.h )
-  s.files += %w( src/core/transport/chttp2/hpack_table.h )
-  s.files += %w( src/core/transport/chttp2/http2_errors.h )
-  s.files += %w( src/core/transport/chttp2/huffsyms.h )
-  s.files += %w( src/core/transport/chttp2/incoming_metadata.h )
-  s.files += %w( src/core/transport/chttp2/internal.h )
-  s.files += %w( src/core/transport/chttp2/status_conversion.h )
-  s.files += %w( src/core/transport/chttp2/stream_map.h )
-  s.files += %w( src/core/transport/chttp2/timeout_encoding.h )
-  s.files += %w( src/core/transport/chttp2/varint.h )
-  s.files += %w( src/core/transport/chttp2_transport.h )
-  s.files += %w( src/core/transport/connectivity_state.h )
-  s.files += %w( src/core/transport/metadata.h )
-  s.files += %w( src/core/transport/metadata_batch.h )
-  s.files += %w( src/core/transport/static_metadata.h )
-  s.files += %w( src/core/transport/transport.h )
-  s.files += %w( src/core/transport/transport_impl.h )
-  s.files += %w( src/core/census/aggregation.h )
-  s.files += %w( src/core/census/log.h )
-  s.files += %w( src/core/census/rpc_metric_id.h )
-  s.files += %w( src/core/httpcli/httpcli_security_connector.c )
-  s.files += %w( src/core/security/base64.c )
-  s.files += %w( src/core/security/client_auth_filter.c )
-  s.files += %w( src/core/security/credentials.c )
-  s.files += %w( src/core/security/credentials_metadata.c )
-  s.files += %w( src/core/security/credentials_posix.c )
-  s.files += %w( src/core/security/credentials_win32.c )
-  s.files += %w( src/core/security/google_default_credentials.c )
-  s.files += %w( src/core/security/handshake.c )
-  s.files += %w( src/core/security/json_token.c )
-  s.files += %w( src/core/security/jwt_verifier.c )
-  s.files += %w( src/core/security/secure_endpoint.c )
-  s.files += %w( src/core/security/security_connector.c )
-  s.files += %w( src/core/security/security_context.c )
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+  s.files += %w( src/core/lib/http/httpcli.c )
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+  s.files += %w( src/core/lib/iomgr/endpoint.c )
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+  s.files += %w( src/core/lib/iomgr/resolve_address_windows.c )
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+  s.files += %w( src/core/lib/iomgr/socket_utils_posix.c )
+  s.files += %w( src/core/lib/iomgr/socket_windows.c )
+  s.files += %w( src/core/lib/iomgr/tcp_client_posix.c )
+  s.files += %w( src/core/lib/iomgr/tcp_client_windows.c )
+  s.files += %w( src/core/lib/iomgr/tcp_posix.c )
+  s.files += %w( src/core/lib/iomgr/tcp_server_posix.c )
+  s.files += %w( src/core/lib/iomgr/tcp_server_windows.c )
+  s.files += %w( src/core/lib/iomgr/tcp_windows.c )
+  s.files += %w( src/core/lib/iomgr/time_averaged_stats.c )
+  s.files += %w( src/core/lib/iomgr/timer.c )
+  s.files += %w( src/core/lib/iomgr/timer_heap.c )
+  s.files += %w( src/core/lib/iomgr/udp_server.c )
+  s.files += %w( src/core/lib/iomgr/unix_sockets_posix.c )
+  s.files += %w( src/core/lib/iomgr/unix_sockets_posix_noop.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_eventfd.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_nospecial.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_pipe.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_posix.c )
+  s.files += %w( src/core/lib/iomgr/workqueue_posix.c )
+  s.files += %w( src/core/lib/iomgr/workqueue_windows.c )
+  s.files += %w( src/core/lib/json/json.c )
+  s.files += %w( src/core/lib/json/json_reader.c )
+  s.files += %w( src/core/lib/json/json_string.c )
+  s.files += %w( src/core/lib/json/json_writer.c )
+  s.files += %w( src/core/lib/surface/alarm.c )
+  s.files += %w( src/core/lib/surface/api_trace.c )
+  s.files += %w( src/core/lib/surface/byte_buffer.c )
+  s.files += %w( src/core/lib/surface/byte_buffer_reader.c )
+  s.files += %w( src/core/lib/surface/call.c )
+  s.files += %w( src/core/lib/surface/call_details.c )
+  s.files += %w( src/core/lib/surface/call_log_batch.c )
+  s.files += %w( src/core/lib/surface/channel.c )
+  s.files += %w( src/core/lib/surface/channel_init.c )
+  s.files += %w( src/core/lib/surface/channel_ping.c )
+  s.files += %w( src/core/lib/surface/channel_stack_type.c )
+  s.files += %w( src/core/lib/surface/completion_queue.c )
+  s.files += %w( src/core/lib/surface/event_string.c )
+  s.files += %w( src/core/lib/surface/init.c )
+  s.files += %w( src/core/lib/surface/lame_client.c )
+  s.files += %w( src/core/lib/surface/metadata_array.c )
+  s.files += %w( src/core/lib/surface/server.c )
+  s.files += %w( src/core/lib/surface/validate_metadata.c )
+  s.files += %w( src/core/lib/surface/version.c )
+  s.files += %w( src/core/lib/transport/byte_stream.c )
+  s.files += %w( src/core/lib/transport/connectivity_state.c )
+  s.files += %w( src/core/lib/transport/metadata.c )
+  s.files += %w( src/core/lib/transport/metadata_batch.c )
+  s.files += %w( src/core/lib/transport/static_metadata.c )
+  s.files += %w( src/core/lib/transport/transport.c )
+  s.files += %w( src/core/lib/transport/transport_op_string.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_plugin.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/parsing.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_lists.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/varint.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/writing.c )
+  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.c )
+  s.files += %w( src/core/lib/http/httpcli_security_connector.c )
+  s.files += %w( src/core/lib/security/b64.c )
+  s.files += %w( src/core/lib/security/client_auth_filter.c )
+  s.files += %w( src/core/lib/security/credentials.c )
+  s.files += %w( src/core/lib/security/credentials_metadata.c )
+  s.files += %w( src/core/lib/security/credentials_posix.c )
+  s.files += %w( src/core/lib/security/credentials_win32.c )
+  s.files += %w( src/core/lib/security/google_default_credentials.c )
+  s.files += %w( src/core/lib/security/handshake.c )
+  s.files += %w( src/core/lib/security/json_token.c )
+  s.files += %w( src/core/lib/security/jwt_verifier.c )
+  s.files += %w( src/core/lib/security/secure_endpoint.c )
+  s.files += %w( src/core/lib/security/security_connector.c )
+  s.files += %w( src/core/lib/security/security_context.c )
+  s.files += %w( src/core/lib/security/server_auth_filter.c )
+  s.files += %w( src/core/lib/surface/init_secure.c )
+  s.files += %w( src/core/lib/tsi/fake_transport_security.c )
+  s.files += %w( src/core/lib/tsi/ssl_transport_security.c )
+  s.files += %w( src/core/lib/tsi/transport_security.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
+  s.files += %w( src/core/ext/client_config/channel_connectivity.c )
+  s.files += %w( src/core/ext/client_config/client_channel.c )
+  s.files += %w( src/core/ext/client_config/client_channel_factory.c )
+  s.files += %w( src/core/ext/client_config/client_config.c )
+  s.files += %w( src/core/ext/client_config/client_config_plugin.c )
+  s.files += %w( src/core/ext/client_config/connector.c )
+  s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/lb_policy.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_factory.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_registry.c )
+  s.files += %w( src/core/ext/client_config/parse_address.c )
+  s.files += %w( src/core/ext/client_config/resolver.c )
+  s.files += %w( src/core/ext/client_config/resolver_factory.c )
+  s.files += %w( src/core/ext/client_config/resolver_registry.c )
+  s.files += %w( src/core/ext/client_config/subchannel.c )
+  s.files += %w( src/core/ext/client_config/subchannel_call_holder.c )
+  s.files += %w( src/core/ext/client_config/subchannel_index.c )
+  s.files += %w( src/core/ext/client_config/uri_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c )
+  s.files += %w( third_party/nanopb/pb_common.c )
+  s.files += %w( third_party/nanopb/pb_decode.c )
+  s.files += %w( third_party/nanopb/pb_encode.c )
+  s.files += %w( src/core/ext/lb_policy/pick_first/pick_first.c )
+  s.files += %w( src/core/ext/lb_policy/round_robin/round_robin.c )
+  s.files += %w( src/core/ext/resolver/dns/native/dns_resolver.c )
+  s.files += %w( src/core/ext/resolver/sockaddr/sockaddr_resolver.c )
+  s.files += %w( src/core/ext/census/context.c )
+  s.files += %w( src/core/ext/census/grpc_context.c )
+  s.files += %w( src/core/ext/census/grpc_filter.c )
+  s.files += %w( src/core/ext/census/grpc_plugin.c )
+  s.files += %w( src/core/ext/census/initialize.c )
+  s.files += %w( src/core/ext/census/mlog.c )
+  s.files += %w( src/core/ext/census/operation.c )
+  s.files += %w( src/core/ext/census/placeholders.c )
+  s.files += %w( src/core/ext/census/tracing.c )
+  s.files += %w( src/core/plugin_registry/grpc_plugin_registry.c )
   s.files += %w( third_party/boringssl/crypto/aes/internal.h )
   s.files += %w( third_party/boringssl/crypto/asn1/asn1_locl.h )
   s.files += %w( third_party/boringssl/crypto/bio/internal.h )
diff --git a/include/grpc++/alarm.h b/include/grpc++/alarm.h
index 9979c34e4f..1470fe8d97 100644
--- a/include/grpc++/alarm.h
+++ b/include/grpc++/alarm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,9 +36,12 @@
 #ifndef GRPCXX_ALARM_H
 #define GRPCXX_ALARM_H
 
+#include <grpc++/impl/codegen/completion_queue.h>
 #include <grpc++/impl/codegen/completion_queue_tag.h>
 #include <grpc++/impl/codegen/grpc_library.h>
 #include <grpc++/impl/codegen/time.h>
+#include <grpc++/impl/grpc_library.h>
+#include <grpc/grpc.h>
 
 struct grpc_alarm;
 
@@ -47,21 +50,29 @@ namespace grpc {
 class CompletionQueue;
 
 /// A thin wrapper around \a grpc_alarm (see / \a / src/core/surface/alarm.h).
-class Alarm : private GrpcLibrary {
+class Alarm : private GrpcLibraryCodegen {
  public:
   /// Create a completion queue alarm instance associated to \a cq.
   ///
   /// Once the alarm expires (at \a deadline) or it's cancelled (see \a Cancel),
   /// an event with tag \a tag will be added to \a cq. If the alarm expired, the
   /// event's success bit will be true, false otherwise (ie, upon cancellation).
-  Alarm(CompletionQueue* cq, gpr_timespec deadline, void* tag);
+  /// \internal We rely on the presence of \a cq for grpc initialization. If \a
+  /// cq were ever to be removed, a reference to a static
+  /// internal::GrpcLibraryInitializer instance would need to be introduced
+  /// here. \endinternal.
+  template <typename T>
+  Alarm(CompletionQueue* cq, const T& deadline, void* tag)
+      : tag_(tag),
+        alarm_(grpc_alarm_create(cq->cq(), TimePoint<T>(deadline).raw_time(),
+                                 static_cast<void*>(&tag_))) {}
 
   /// Destroy the given completion queue alarm, cancelling it in the process.
-  ~Alarm();
+  ~Alarm() { grpc_alarm_destroy(alarm_); }
 
   /// Cancel a completion queue alarm. Calling this function over an alarm that
   /// has already fired has no effect.
-  void Cancel();
+  void Cancel() { grpc_alarm_cancel(alarm_); }
 
  private:
   class AlarmEntry : public CompletionQueueTag {
diff --git a/include/grpc++/channel.h b/include/grpc++/channel.h
index 80547f7ab8..c535d57bff 100644
--- a/include/grpc++/channel.h
+++ b/include/grpc++/channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@ namespace grpc {
 class Channel GRPC_FINAL : public ChannelInterface,
                            public CallHook,
                            public std::enable_shared_from_this<Channel>,
-                           private GrpcLibrary {
+                           private GrpcLibraryCodegen {
  public:
   ~Channel();
 
diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 3fbe6d1be8..38bee830e2 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/completion_queue.h b/include/grpc++/completion_queue.h
index f53f5ee56c..2a5a18bee0 100644
--- a/include/grpc++/completion_queue.h
+++ b/include/grpc++/completion_queue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/create_channel.h b/include/grpc++/create_channel.h
index 80eed067b7..e9ccb51503 100644
--- a/include/grpc++/create_channel.h
+++ b/include/grpc++/create_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/generic/async_generic_service.h b/include/grpc++/generic/async_generic_service.h
index 9ae8391dc4..24bae52145 100644
--- a/include/grpc++/generic/async_generic_service.h
+++ b/include/grpc++/generic/async_generic_service.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPCXX_GENERIC_ASYNC_GENERIC_SERVICE_H
 #define GRPCXX_GENERIC_ASYNC_GENERIC_SERVICE_H
 
-#include <grpc++/support/byte_buffer.h>
 #include <grpc++/support/async_stream.h>
+#include <grpc++/support/byte_buffer.h>
 
 struct grpc_server;
 
diff --git a/include/grpc++/generic/generic_stub.h b/include/grpc++/generic/generic_stub.h
index 5ac0371efb..d27deae33a 100644
--- a/include/grpc++/generic/generic_stub.h
+++ b/include/grpc++/generic/generic_stub.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/call.h b/include/grpc++/impl/call.h
index 64b6563574..882710babb 100644
--- a/include/grpc++/impl/call.h
+++ b/include/grpc++/impl/call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/client_unary_call.h b/include/grpc++/impl/client_unary_call.h
index abe321eacc..ea42674e55 100644
--- a/include/grpc++/impl/client_unary_call.h
+++ b/include/grpc++/impl/client_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/async_stream.h b/include/grpc++/impl/codegen/async_stream.h
index b0410485f8..a607a47106 100644
--- a/include/grpc++/impl/codegen/async_stream.h
+++ b/include/grpc++/impl/codegen/async_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,10 +34,11 @@
 #ifndef GRPCXX_IMPL_CODEGEN_ASYNC_STREAM_H
 #define GRPCXX_IMPL_CODEGEN_ASYNC_STREAM_H
 
-#include <grpc++/impl/codegen/channel_interface.h>
 #include <grpc++/impl/codegen/call.h>
-#include <grpc++/impl/codegen/service_type.h>
+#include <grpc++/impl/codegen/channel_interface.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/server_context.h>
+#include <grpc++/impl/codegen/service_type.h>
 #include <grpc++/impl/codegen/status.h>
 
 namespace grpc {
@@ -107,15 +108,16 @@ class ClientAsyncReader GRPC_FINAL : public ClientAsyncReaderInterface<R> {
                     const W& request, void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     // TODO(ctiller): don't assert
-    GPR_ASSERT(init_ops_.SendMessage(request).ok());
+    GPR_CODEGEN_ASSERT(init_ops_.SendMessage(request).ok());
     init_ops_.ClientSendClose();
     call_.PerformOps(&init_ops_);
   }
 
   void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     meta_ops_.set_output_tag(tag);
     meta_ops_.RecvInitialMetadata(context_);
@@ -172,12 +174,13 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
     finish_ops_.RecvMessage(response);
 
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
   void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     meta_ops_.set_output_tag(tag);
     meta_ops_.RecvInitialMetadata(context_);
@@ -187,7 +190,7 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     // TODO(ctiller): don't assert
-    GPR_ASSERT(write_ops_.SendMessage(msg).ok());
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
     call_.PerformOps(&write_ops_);
   }
 
@@ -214,7 +217,8 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
   CallOpSet<CallOpSendMessage> write_ops_;
   CallOpSet<CallOpClientSendClose> writes_done_ops_;
   CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
-            CallOpClientRecvStatus> finish_ops_;
+            CallOpClientRecvStatus>
+      finish_ops_;
 };
 
 /// Client-side interface for asynchronous bi-directional streaming.
@@ -238,12 +242,13 @@ class ClientAsyncReaderWriter GRPC_FINAL
                           void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
   void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     meta_ops_.set_output_tag(tag);
     meta_ops_.RecvInitialMetadata(context_);
@@ -262,7 +267,7 @@ class ClientAsyncReaderWriter GRPC_FINAL
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     // TODO(ctiller): don't assert
-    GPR_ASSERT(write_ops_.SendMessage(msg).ok());
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
     call_.PerformOps(&write_ops_);
   }
 
@@ -300,10 +305,11 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
       : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
 
   void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -317,7 +323,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -331,10 +338,11 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   }
 
   void FinishWithError(const Status& status, void* tag) {
-    GPR_ASSERT(!status.ok());
+    GPR_CODEGEN_ASSERT(!status.ok());
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -349,7 +357,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   CallOpSet<CallOpSendInitialMetadata> meta_ops_;
   CallOpSet<CallOpRecvMessage<R>> read_ops_;
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-            CallOpServerSendStatus> finish_ops_;
+            CallOpServerSendStatus>
+      finish_ops_;
 };
 
 template <class W>
@@ -360,10 +369,11 @@ class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
       : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
 
   void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -371,18 +381,20 @@ class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
-    GPR_ASSERT(write_ops_.SendMessage(msg).ok());
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
     call_.PerformOps(&write_ops_);
   }
 
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -409,10 +421,11 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
       : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
 
   void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -426,18 +439,20 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
-    GPR_ASSERT(write_ops_.SendMessage(msg).ok());
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
     call_.PerformOps(&write_ops_);
   }
 
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/async_unary_call.h b/include/grpc++/impl/codegen/async_unary_call.h
index f3c75dc3b1..55c9788fbd 100644
--- a/include/grpc++/impl/codegen/async_unary_call.h
+++ b/include/grpc++/impl/codegen/async_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,7 @@
 namespace grpc {
 
 class CompletionQueue;
+extern CoreCodegenInterface* g_core_codegen_interface;
 
 template <class R>
 class ClientAsyncResponseReaderInterface {
@@ -66,15 +67,16 @@ class ClientAsyncResponseReader GRPC_FINAL
         call_(channel->CreateCall(method, context, cq)),
         collection_(new CallOpSetCollection) {
     collection_->init_buf_.SetCollection(collection_);
-    collection_->init_buf_.SendInitialMetadata(context->send_initial_metadata_);
+    collection_->init_buf_.SendInitialMetadata(
+        context->send_initial_metadata_, context->initial_metadata_flags());
     // TODO(ctiller): don't assert
-    GPR_ASSERT(collection_->init_buf_.SendMessage(request).ok());
+    GPR_CODEGEN_ASSERT(collection_->init_buf_.SendMessage(request).ok());
     collection_->init_buf_.ClientSendClose();
     call_.PerformOps(&collection_->init_buf_);
   }
 
   void ReadInitialMetadata(void* tag) {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     collection_->meta_buf_.SetCollection(collection_);
     collection_->meta_buf_.set_output_tag(tag);
@@ -100,10 +102,12 @@ class ClientAsyncResponseReader GRPC_FINAL
   class CallOpSetCollection : public CallOpSetCollectionInterface {
    public:
     SneakyCallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-                    CallOpClientSendClose> init_buf_;
+                    CallOpClientSendClose>
+        init_buf_;
     CallOpSet<CallOpRecvInitialMetadata> meta_buf_;
     CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>,
-              CallOpClientRecvStatus> finish_buf_;
+              CallOpClientRecvStatus>
+        finish_buf_;
   };
   std::shared_ptr<CallOpSetCollection> collection_;
 };
@@ -116,10 +120,11 @@ class ServerAsyncResponseWriter GRPC_FINAL
       : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
 
   void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_buf_.set_output_tag(tag);
-    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_buf_);
   }
@@ -127,7 +132,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -141,10 +147,11 @@ class ServerAsyncResponseWriter GRPC_FINAL
   }
 
   void FinishWithError(const Status& status, void* tag) {
-    GPR_ASSERT(!status.ok());
+    GPR_CODEGEN_ASSERT(!status.ok());
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_buf_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -158,7 +165,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
   ServerContext* ctx_;
   CallOpSet<CallOpSendInitialMetadata> meta_buf_;
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-            CallOpServerSendStatus> finish_buf_;
+            CallOpServerSendStatus>
+      finish_buf_;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/impl/codegen/call.h b/include/grpc++/impl/codegen/call.h
index e65349ddd3..aea1a6acec 100644
--- a/include/grpc++/impl/codegen/call.h
+++ b/include/grpc++/impl/codegen/call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,19 +34,21 @@
 #ifndef GRPCXX_IMPL_CODEGEN_CALL_H
 #define GRPCXX_IMPL_CODEGEN_CALL_H
 
+#include <cstring>
 #include <functional>
-#include <memory>
 #include <map>
-#include <cstring>
+#include <memory>
 
-#include <grpc/impl/codegen/alloc.h>
-#include <grpc/impl/codegen/grpc_types.h>
-#include <grpc++/impl/codegen/client_context.h>
 #include <grpc++/impl/codegen/call_hook.h>
+#include <grpc++/impl/codegen/client_context.h>
 #include <grpc++/impl/codegen/completion_queue_tag.h>
-#include <grpc++/impl/codegen/serialization_traits.h>
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc++/impl/codegen/serialization_traits.h>
 #include <grpc++/impl/codegen/status.h>
+#include <grpc++/impl/codegen/string_ref.h>
+#include <grpc/impl/codegen/alloc.h>
+#include <grpc/impl/codegen/grpc_types.h>
 
 struct grpc_byte_buffer;
 
@@ -56,12 +58,39 @@ class ByteBuffer;
 class Call;
 class CallHook;
 class CompletionQueue;
+extern CoreCodegenInterface* g_core_codegen_interface;
 
-void FillMetadataMap(
+inline void FillMetadataMap(
     grpc_metadata_array* arr,
-    std::multimap<grpc::string_ref, grpc::string_ref>* metadata);
-grpc_metadata* FillMetadataArray(
-    const std::multimap<grpc::string, grpc::string>& metadata);
+    std::multimap<grpc::string_ref, grpc::string_ref>* metadata) {
+  for (size_t i = 0; i < arr->count; i++) {
+    // TODO(yangg) handle duplicates?
+    metadata->insert(std::pair<grpc::string_ref, grpc::string_ref>(
+        arr->metadata[i].key, grpc::string_ref(arr->metadata[i].value,
+                                               arr->metadata[i].value_length)));
+  }
+  g_core_codegen_interface->grpc_metadata_array_destroy(arr);
+  g_core_codegen_interface->grpc_metadata_array_init(arr);
+}
+
+// TODO(yangg) if the map is changed before we send, the pointers will be a
+// mess. Make sure it does not happen.
+inline grpc_metadata* FillMetadataArray(
+    const std::multimap<grpc::string, grpc::string>& metadata) {
+  if (metadata.empty()) {
+    return nullptr;
+  }
+  grpc_metadata* metadata_array =
+      (grpc_metadata*)(g_core_codegen_interface->gpr_malloc(
+          metadata.size() * sizeof(grpc_metadata)));
+  size_t i = 0;
+  for (auto iter = metadata.cbegin(); iter != metadata.cend(); ++iter, ++i) {
+    metadata_array[i].key = iter->first.c_str();
+    metadata_array[i].value = iter->second.c_str();
+    metadata_array[i].value_length = iter->second.size();
+  }
+  return metadata_array;
+}
 
 /// Per-message write options.
 class WriteOptions {
@@ -152,8 +181,10 @@ class CallOpSendInitialMetadata {
   CallOpSendInitialMetadata() : send_(false) {}
 
   void SendInitialMetadata(
-      const std::multimap<grpc::string, grpc::string>& metadata) {
+      const std::multimap<grpc::string, grpc::string>& metadata,
+      uint32_t flags) {
     send_ = true;
+    flags_ = flags;
     initial_metadata_count_ = metadata.size();
     initial_metadata_ = FillMetadataArray(metadata);
   }
@@ -163,18 +194,19 @@ class CallOpSendInitialMetadata {
     if (!send_) return;
     grpc_op* op = &ops[(*nops)++];
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
-    op->flags = 0;
+    op->flags = flags_;
     op->reserved = NULL;
     op->data.send_initial_metadata.count = initial_metadata_count_;
     op->data.send_initial_metadata.metadata = initial_metadata_;
   }
   void FinishOp(bool* status, int max_message_size) {
     if (!send_) return;
-    gpr_free(initial_metadata_);
+    g_core_codegen_interface->gpr_free(initial_metadata_);
     send_ = false;
   }
 
   bool send_;
+  uint32_t flags_;
   size_t initial_metadata_count_;
   grpc_metadata* initial_metadata_;
 };
@@ -204,7 +236,7 @@ class CallOpSendMessage {
     write_options_.Clear();
   }
   void FinishOp(bool* status, int max_message_size) {
-    if (own_buf_) grpc_byte_buffer_destroy(send_buf_);
+    if (own_buf_) g_core_codegen_interface->grpc_byte_buffer_destroy(send_buf_);
     send_buf_ = nullptr;
   }
 
@@ -251,10 +283,11 @@ class CallOpRecvMessage {
       if (*status) {
         got_message = true;
         *status = SerializationTraits<R>::Deserialize(recv_buf_, message_,
-                                                      max_message_size).ok();
+                                                      max_message_size)
+                      .ok();
       } else {
         got_message = false;
-        grpc_byte_buffer_destroy(recv_buf_);
+        g_core_codegen_interface->grpc_byte_buffer_destroy(recv_buf_);
       }
     } else {
       got_message = false;
@@ -272,6 +305,7 @@ namespace CallOpGenericRecvMessageHelper {
 class DeserializeFunc {
  public:
   virtual Status Deserialize(grpc_byte_buffer* buf, int max_message_size) = 0;
+  virtual ~DeserializeFunc() {}
 };
 
 template <class R>
@@ -283,6 +317,8 @@ class DeserializeFuncType GRPC_FINAL : public DeserializeFunc {
     return SerializationTraits<R>::Deserialize(buf, message_, max_message_size);
   }
 
+  ~DeserializeFuncType() override {}
+
  private:
   R* message_;  // Not a managed pointer because management is external to this
 };
@@ -318,7 +354,7 @@ class CallOpGenericRecvMessage {
         *status = deserialize_->Deserialize(recv_buf_, max_message_size).ok();
       } else {
         got_message = false;
-        grpc_byte_buffer_destroy(recv_buf_);
+        g_core_codegen_interface->grpc_byte_buffer_destroy(recv_buf_);
       }
     } else {
       got_message = false;
@@ -383,7 +419,7 @@ class CallOpServerSendStatus {
 
   void FinishOp(bool* status, int max_message_size) {
     if (!send_status_available_) return;
-    gpr_free(trailing_metadata_);
+    g_core_codegen_interface->gpr_free(trailing_metadata_);
     send_status_available_ = false;
   }
 
@@ -459,7 +495,7 @@ class CallOpClientRecvStatus {
     *recv_status_ = Status(
         static_cast<StatusCode>(status_code_),
         status_details_ ? grpc::string(status_details_) : grpc::string());
-    gpr_free(status_details_);
+    g_core_codegen_interface->gpr_free(status_details_);
     recv_status_ = nullptr;
   }
 
@@ -573,11 +609,22 @@ class SneakyCallOpSet : public CallOpSet<Op1, Op2, Op3, Op4, Op5, Op6> {
 class Call GRPC_FINAL {
  public:
   /* call is owned by the caller */
-  Call(grpc_call* call, CallHook* call_hook_, CompletionQueue* cq);
-  Call(grpc_call* call, CallHook* call_hook_, CompletionQueue* cq,
-       int max_message_size);
-
-  void PerformOps(CallOpSetInterface* ops);
+  Call(grpc_call* call, CallHook* call_hook, CompletionQueue* cq)
+      : call_hook_(call_hook), cq_(cq), call_(call), max_message_size_(-1) {}
+
+  Call(grpc_call* call, CallHook* call_hook, CompletionQueue* cq,
+       int max_message_size)
+      : call_hook_(call_hook),
+        cq_(cq),
+        call_(call),
+        max_message_size_(max_message_size) {}
+
+  void PerformOps(CallOpSetInterface* ops) {
+    if (max_message_size_ > 0) {
+      ops->set_max_message_size(max_message_size_);
+    }
+    call_hook_->PerformOpsOnCall(ops, this);
+  }
 
   grpc_call* call() { return call_; }
   CompletionQueue* cq() { return cq_; }
diff --git a/include/grpc++/impl/codegen/call_hook.h b/include/grpc++/impl/codegen/call_hook.h
index 0b6027293a..6a8258233d 100644
--- a/include/grpc++/impl/codegen/call_hook.h
+++ b/include/grpc++/impl/codegen/call_hook.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/client_context.h b/include/grpc++/impl/codegen/client_context.h
index db2afe930c..aed12767a7 100644
--- a/include/grpc++/impl/codegen/client_context.h
+++ b/include/grpc++/impl/codegen/client_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,6 +54,7 @@
 #include <string>
 
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/status.h>
 #include <grpc++/impl/codegen/string_ref.h>
@@ -192,7 +193,7 @@ class ClientContext {
   /// \return A multimap of initial metadata key-value pairs from the server.
   const std::multimap<grpc::string_ref, grpc::string_ref>&
   GetServerInitialMetadata() {
-    GPR_ASSERT(initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(initial_metadata_received_);
     return recv_initial_metadata_;
   }
 
@@ -220,6 +221,12 @@ class ClientContext {
     deadline_ = deadline_tp.raw_time();
   }
 
+  /// EXPERIMENTAL: Set this request to be idempotent
+  void set_idempotent(bool idempotent) { idempotent_ = idempotent; }
+
+  /// EXPERIMENTAL: Trigger fail-fast or not on this request
+  void set_fail_fast(bool fail_fast) { fail_fast_ = fail_fast; }
+
 #ifndef GRPC_CXX0X_NO_CHRONO
   /// Return the deadline for the client call.
   std::chrono::system_clock::time_point deadline() {
@@ -327,9 +334,16 @@ class ClientContext {
   grpc_call* call() { return call_; }
   void set_call(grpc_call* call, const std::shared_ptr<Channel>& channel);
 
+  uint32_t initial_metadata_flags() const {
+    return (idempotent_ ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST : 0) |
+           (fail_fast_ ? 0 : GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY);
+  }
+
   grpc::string authority() { return authority_; }
 
   bool initial_metadata_received_;
+  bool fail_fast_;
+  bool idempotent_;
   std::shared_ptr<Channel> channel_;
   grpc::mutex mu_;
   grpc_call* call_;
diff --git a/include/grpc++/impl/codegen/client_unary_call.h b/include/grpc++/impl/codegen/client_unary_call.h
index 0134dec800..70d65549c8 100644
--- a/include/grpc++/impl/codegen/client_unary_call.h
+++ b/include/grpc++/impl/codegen/client_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,6 +37,7 @@
 #include <grpc++/impl/codegen/call.h>
 #include <grpc++/impl/codegen/channel_interface.h>
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/status.h>
 
 namespace grpc {
@@ -55,18 +56,20 @@ Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method,
   Call call(channel->CreateCall(method, context, &cq));
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
             CallOpRecvInitialMetadata, CallOpRecvMessage<OutputMessage>,
-            CallOpClientSendClose, CallOpClientRecvStatus> ops;
+            CallOpClientSendClose, CallOpClientRecvStatus>
+      ops;
   Status status = ops.SendMessage(request);
   if (!status.ok()) {
     return status;
   }
-  ops.SendInitialMetadata(context->send_initial_metadata_);
+  ops.SendInitialMetadata(context->send_initial_metadata_,
+                          context->initial_metadata_flags());
   ops.RecvInitialMetadata(context);
   ops.RecvMessage(result);
   ops.ClientSendClose();
   ops.ClientRecvStatus(context, &status);
   call.PerformOps(&ops);
-  GPR_ASSERT((cq.Pluck(&ops) && ops.got_message) || !status.ok());
+  GPR_CODEGEN_ASSERT((cq.Pluck(&ops) && ops.got_message) || !status.ok());
   return status;
 }
 
diff --git a/include/grpc++/impl/codegen/completion_queue.h b/include/grpc++/impl/codegen/completion_queue.h
index 102831e1c9..56864d6d53 100644
--- a/include/grpc++/impl/codegen/completion_queue.h
+++ b/include/grpc++/impl/codegen/completion_queue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,9 +36,12 @@
 #ifndef GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_H
 #define GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_H
 
+#include <grpc++/impl/codegen/completion_queue_tag.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/grpc_library.h>
 #include <grpc++/impl/codegen/status.h>
 #include <grpc++/impl/codegen/time.h>
+#include <grpc/impl/codegen/time.h>
 
 struct grpc_completion_queue;
 
@@ -76,13 +79,17 @@ class Server;
 class ServerBuilder;
 class ServerContext;
 
+extern CoreCodegenInterface* g_core_codegen_interface;
+
 /// A thin wrapper around \a grpc_completion_queue (see / \a
 /// src/core/surface/completion_queue.h).
-class CompletionQueue : private GrpcLibrary {
+class CompletionQueue : private GrpcLibraryCodegen {
  public:
   /// Default constructor. Implicitly creates a \a grpc_completion_queue
   /// instance.
-  CompletionQueue();
+  CompletionQueue() {
+    cq_ = g_core_codegen_interface->grpc_completion_queue_create(nullptr);
+  }
 
   /// Wrap \a take, taking ownership of the instance.
   ///
@@ -90,7 +97,9 @@ class CompletionQueue : private GrpcLibrary {
   explicit CompletionQueue(grpc_completion_queue* take);
 
   /// Destructor. Destroys the owned wrapped completion queue / instance.
-  ~CompletionQueue();
+  ~CompletionQueue() {
+    g_core_codegen_interface->grpc_completion_queue_destroy(cq_);
+  }
 
   /// Tri-state return for AsyncNext: SHUTDOWN, GOT_EVENT, TIMEOUT.
   enum NextStatus {
@@ -124,8 +133,8 @@ class CompletionQueue : private GrpcLibrary {
   ///
   /// \return true if read a regular event, false if the queue is shutting down.
   bool Next(void** tag, bool* ok) {
-    return (AsyncNextInternal(tag, ok, gpr_inf_future(GPR_CLOCK_REALTIME)) !=
-            SHUTDOWN);
+    return (AsyncNextInternal(tag, ok, g_core_codegen_interface->gpr_inf_future(
+                                           GPR_CLOCK_REALTIME)) != SHUTDOWN);
   }
 
   /// Request the shutdown of the queue.
@@ -181,10 +190,31 @@ class CompletionQueue : private GrpcLibrary {
 
   /// Wraps \a grpc_completion_queue_pluck.
   /// \warning Must not be mixed with calls to \a Next.
-  bool Pluck(CompletionQueueTag* tag);
+  bool Pluck(CompletionQueueTag* tag) {
+    auto deadline =
+        g_core_codegen_interface->gpr_inf_future(GPR_CLOCK_REALTIME);
+    auto ev = g_core_codegen_interface->grpc_completion_queue_pluck(
+        cq_, tag, deadline, nullptr);
+    bool ok = ev.success != 0;
+    void* ignored = tag;
+    GPR_CODEGEN_ASSERT(tag->FinalizeResult(&ignored, &ok));
+    GPR_CODEGEN_ASSERT(ignored == tag);
+    // Ignore mutations by FinalizeResult: Pluck returns the C API status
+    return ev.success != 0;
+  }
 
   /// Performs a single polling pluck on \a tag.
-  void TryPluck(CompletionQueueTag* tag);
+  /// \warning Must not be mixed with calls to \a Next.
+  void TryPluck(CompletionQueueTag* tag) {
+    auto deadline = gpr_time_0(GPR_CLOCK_REALTIME);
+    auto ev = g_core_codegen_interface->grpc_completion_queue_pluck(
+        cq_, tag, deadline, nullptr);
+    if (ev.type == GRPC_QUEUE_TIMEOUT) return;
+    bool ok = ev.success != 0;
+    void* ignored = tag;
+    // the tag must be swallowed if using TryPluck
+    GPR_CODEGEN_ASSERT(!tag->FinalizeResult(&ignored, &ok));
+  }
 
   grpc_completion_queue* cq_;  // owned
 };
diff --git a/include/grpc++/impl/codegen/completion_queue_tag.h b/include/grpc++/impl/codegen/completion_queue_tag.h
index 8be2ac36d6..19a08500cf 100644
--- a/include/grpc++/impl/codegen/completion_queue_tag.h
+++ b/include/grpc++/impl/codegen/completion_queue_tag.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_COMPLETION_QUEUE_TAG_H
-#define GRPCXX_COMPLETION_QUEUE_TAG_H
+#ifndef GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
+#define GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
 
 namespace grpc {
 
@@ -49,4 +49,4 @@ class CompletionQueueTag {
 
 }  // namespace grpc
 
-#endif  // GRPCXX_COMPLETION_QUEUE_TAG_H
+#endif  // GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
diff --git a/include/grpc++/impl/codegen/config_protobuf.h b/include/grpc++/impl/codegen/config_protobuf.h
index 3b9f05cdff..f1b6beaca7 100644
--- a/include/grpc++/impl/codegen/config_protobuf.h
+++ b/include/grpc++/impl/codegen/config_protobuf.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/core_codegen_interface.h b/include/grpc++/impl/codegen/core_codegen_interface.h
new file mode 100644
index 0000000000..16424bab35
--- /dev/null
+++ b/include/grpc++/impl/codegen/core_codegen_interface.h
@@ -0,0 +1,97 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
+#define GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
+
+#include <grpc++/impl/codegen/config_protobuf.h>
+#include <grpc++/impl/codegen/status.h>
+#include <grpc/impl/codegen/grpc_types.h>
+
+namespace grpc {
+
+/// Interface between the codegen library and the minimal subset of core
+/// features required by the generated code.
+///
+/// All undocumented methods are simply forwarding the call to their namesakes.
+/// Please refer to their corresponding documentation for details.
+///
+/// \warning This interface should be considered internal and private.
+class CoreCodegenInterface {
+ public:
+  // Serialize the msg into a buffer created inside the function. The caller
+  // should destroy the returned buffer when done with it. If serialization
+  // fails,
+  // false is returned and buffer is left unchanged.
+  virtual Status SerializeProto(const grpc::protobuf::Message& msg,
+                                grpc_byte_buffer** buffer) = 0;
+
+  // The caller keeps ownership of buffer and msg.
+  virtual Status DeserializeProto(grpc_byte_buffer* buffer,
+                                  grpc::protobuf::Message* msg,
+                                  int max_message_size) = 0;
+
+  /// Upon a failed assertion, log the error.
+  virtual void assert_fail(const char* failed_assertion) = 0;
+
+  virtual grpc_completion_queue* grpc_completion_queue_create(
+      void* reserved) = 0;
+  virtual void grpc_completion_queue_destroy(grpc_completion_queue* cq) = 0;
+  virtual grpc_event grpc_completion_queue_pluck(grpc_completion_queue* cq,
+                                                 void* tag,
+                                                 gpr_timespec deadline,
+                                                 void* reserved) = 0;
+
+  virtual void* gpr_malloc(size_t size) = 0;
+  virtual void gpr_free(void* p) = 0;
+
+  virtual void grpc_byte_buffer_destroy(grpc_byte_buffer* bb) = 0;
+  virtual void grpc_metadata_array_init(grpc_metadata_array* array) = 0;
+  virtual void grpc_metadata_array_destroy(grpc_metadata_array* array) = 0;
+
+  virtual gpr_timespec gpr_inf_future(gpr_clock_type type) = 0;
+};
+
+extern CoreCodegenInterface* g_core_codegen_interface;
+
+/// Codegen specific version of \a GPR_ASSERT.
+#define GPR_CODEGEN_ASSERT(x)                          \
+  do {                                                 \
+    if (!(x)) {                                        \
+      grpc::g_core_codegen_interface->assert_fail(#x); \
+    }                                                  \
+  } while (0)
+
+}  // namespace grpc
+
+#endif  // GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
diff --git a/include/grpc++/impl/codegen/grpc_library.h b/include/grpc++/impl/codegen/grpc_library.h
index eb7152a2c6..3cdc6f3f7c 100644
--- a/include/grpc++/impl/codegen/grpc_library.h
+++ b/include/grpc++/impl/codegen/grpc_library.h
@@ -34,6 +34,7 @@
 #ifndef GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H
 #define GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H
 
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc/impl/codegen/log.h>
 
 namespace grpc {
@@ -44,24 +45,27 @@ class GrpcLibraryInterface {
   virtual void shutdown() = 0;
 };
 
+/// Initialized by \a grpc::GrpcLibraryInitializer from
+/// <grpc++/impl/grpc_library.h>
 extern GrpcLibraryInterface* g_glip;
 
-class GrpcLibrary {
+/// Classes that require gRPC to be initialized should inherit from this class.
+class GrpcLibraryCodegen {
  public:
-  GrpcLibrary() {
-    GPR_ASSERT(g_glip &&
-               "gRPC library not initialized. See "
-               "grpc::internal::GrpcLibraryInitializer.");
+  GrpcLibraryCodegen() {
+    GPR_CODEGEN_ASSERT(g_glip &&
+                       "gRPC library not initialized. See "
+                       "grpc::internal::GrpcLibraryInitializer.");
     g_glip->init();
   }
-  virtual ~GrpcLibrary() {
-    GPR_ASSERT(g_glip &&
-               "gRPC library not initialized. See "
-               "grpc::internal::GrpcLibraryInitializer.");
+  virtual ~GrpcLibraryCodegen() {
+    GPR_CODEGEN_ASSERT(g_glip &&
+                       "gRPC library not initialized. See "
+                       "grpc::internal::GrpcLibraryInitializer.");
     g_glip->shutdown();
   }
 };
 
 }  // namespace grpc
 
-#endif  // GRPCXX_IMPL_GRPC_LIBRARY_H
+#endif  // GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H
diff --git a/include/grpc++/impl/codegen/impl/async_stream.h b/include/grpc++/impl/codegen/impl/async_stream.h
new file mode 100644
index 0000000000..8f99e7eea4
--- /dev/null
+++ b/include/grpc++/impl/codegen/impl/async_stream.h
@@ -0,0 +1,465 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
+
+#include <grpc++/impl/codegen/call.h>
+#include <grpc++/impl/codegen/channel_interface.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc++/impl/codegen/server_context.h>
+#include <grpc++/impl/codegen/service_type.h>
+#include <grpc++/impl/codegen/status.h>
+
+namespace grpc {
+
+class CompletionQueue;
+
+/// Common interface for all client side asynchronous streaming.
+class ClientAsyncStreamingInterface {
+ public:
+  virtual ~ClientAsyncStreamingInterface() {}
+
+  /// Request notification of the reading of the initial metadata. Completion
+  /// will be notified by \a tag on the associated completion queue.
+  ///
+  /// \param[in] tag Tag identifying this request.
+  virtual void ReadInitialMetadata(void* tag) = 0;
+
+  /// Request notification completion.
+  ///
+  /// \param[out] status To be updated with the operation status.
+  /// \param[in] tag Tag identifying this request.
+  virtual void Finish(Status* status, void* tag) = 0;
+};
+
+/// An interface that yields a sequence of messages of type \a R.
+template <class R>
+class AsyncReaderInterface {
+ public:
+  virtual ~AsyncReaderInterface() {}
+
+  /// Read a message of type \a R into \a msg. Completion will be notified by \a
+  /// tag on the associated completion queue.
+  ///
+  /// \param[out] msg Where to eventually store the read message.
+  /// \param[in] tag The tag identifying the operation.
+  virtual void Read(R* msg, void* tag) = 0;
+};
+
+/// An interface that can be fed a sequence of messages of type \a W.
+template <class W>
+class AsyncWriterInterface {
+ public:
+  virtual ~AsyncWriterInterface() {}
+
+  /// Request the writing of \a msg with identifying tag \a tag.
+  ///
+  /// Only one write may be outstanding at any given time. This means that
+  /// after calling Write, one must wait to receive \a tag from the completion
+  /// queue BEFORE calling Write again.
+  ///
+  /// \param[in] msg The message to be written.
+  /// \param[in] tag The tag identifying the operation.
+  virtual void Write(const W& msg, void* tag) = 0;
+};
+
+template <class R>
+class ClientAsyncReaderInterface : public ClientAsyncStreamingInterface,
+                                   public AsyncReaderInterface<R> {};
+
+template <class R>
+class ClientAsyncReader GRPC_FINAL : public ClientAsyncReaderInterface<R> {
+ public:
+  /// Create a stream and write the first request out.
+  template <class W>
+  ClientAsyncReader(ChannelInterface* channel, CompletionQueue* cq,
+                    const RpcMethod& method, ClientContext* context,
+                    const W& request, void* tag)
+      : context_(context), call_(channel->CreateCall(method, context, cq)) {
+    init_ops_.set_output_tag(tag);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    // TODO(ctiller): don't assert
+    GPR_CODEGEN_ASSERT(init_ops_.SendMessage(request).ok());
+    init_ops_.ClientSendClose();
+    call_.PerformOps(&init_ops_);
+  }
+
+  void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.RecvInitialMetadata(context_);
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Read(R* msg, void* tag) GRPC_OVERRIDE {
+    read_ops_.set_output_tag(tag);
+    if (!context_->initial_metadata_received_) {
+      read_ops_.RecvInitialMetadata(context_);
+    }
+    read_ops_.RecvMessage(msg);
+    call_.PerformOps(&read_ops_);
+  }
+
+  void Finish(Status* status, void* tag) GRPC_OVERRIDE {
+    finish_ops_.set_output_tag(tag);
+    if (!context_->initial_metadata_received_) {
+      finish_ops_.RecvInitialMetadata(context_);
+    }
+    finish_ops_.ClientRecvStatus(context_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  ClientContext* context_;
+  Call call_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose>
+      init_ops_;
+  CallOpSet<CallOpRecvInitialMetadata> meta_ops_;
+  CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> read_ops_;
+  CallOpSet<CallOpRecvInitialMetadata, CallOpClientRecvStatus> finish_ops_;
+};
+
+/// Common interface for client side asynchronous writing.
+template <class W>
+class ClientAsyncWriterInterface : public ClientAsyncStreamingInterface,
+                                   public AsyncWriterInterface<W> {
+ public:
+  /// Signal the client is done with the writes.
+  ///
+  /// \param[in] tag The tag identifying the operation.
+  virtual void WritesDone(void* tag) = 0;
+};
+
+template <class W>
+class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
+ public:
+  template <class R>
+  ClientAsyncWriter(ChannelInterface* channel, CompletionQueue* cq,
+                    const RpcMethod& method, ClientContext* context,
+                    R* response, void* tag)
+      : context_(context), call_(channel->CreateCall(method, context, cq)) {
+    finish_ops_.RecvMessage(response);
+
+    init_ops_.set_output_tag(tag);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    call_.PerformOps(&init_ops_);
+  }
+
+  void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.RecvInitialMetadata(context_);
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Write(const W& msg, void* tag) GRPC_OVERRIDE {
+    write_ops_.set_output_tag(tag);
+    // TODO(ctiller): don't assert
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
+    call_.PerformOps(&write_ops_);
+  }
+
+  void WritesDone(void* tag) GRPC_OVERRIDE {
+    writes_done_ops_.set_output_tag(tag);
+    writes_done_ops_.ClientSendClose();
+    call_.PerformOps(&writes_done_ops_);
+  }
+
+  void Finish(Status* status, void* tag) GRPC_OVERRIDE {
+    finish_ops_.set_output_tag(tag);
+    if (!context_->initial_metadata_received_) {
+      finish_ops_.RecvInitialMetadata(context_);
+    }
+    finish_ops_.ClientRecvStatus(context_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  ClientContext* context_;
+  Call call_;
+  CallOpSet<CallOpSendInitialMetadata> init_ops_;
+  CallOpSet<CallOpRecvInitialMetadata> meta_ops_;
+  CallOpSet<CallOpSendMessage> write_ops_;
+  CallOpSet<CallOpClientSendClose> writes_done_ops_;
+  CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
+            CallOpClientRecvStatus>
+      finish_ops_;
+};
+
+/// Client-side interface for asynchronous bi-directional streaming.
+template <class W, class R>
+class ClientAsyncReaderWriterInterface : public ClientAsyncStreamingInterface,
+                                         public AsyncWriterInterface<W>,
+                                         public AsyncReaderInterface<R> {
+ public:
+  /// Signal the client is done with the writes.
+  ///
+  /// \param[in] tag The tag identifying the operation.
+  virtual void WritesDone(void* tag) = 0;
+};
+
+template <class W, class R>
+class ClientAsyncReaderWriter GRPC_FINAL
+    : public ClientAsyncReaderWriterInterface<W, R> {
+ public:
+  ClientAsyncReaderWriter(ChannelInterface* channel, CompletionQueue* cq,
+                          const RpcMethod& method, ClientContext* context,
+                          void* tag)
+      : context_(context), call_(channel->CreateCall(method, context, cq)) {
+    init_ops_.set_output_tag(tag);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    call_.PerformOps(&init_ops_);
+  }
+
+  void ReadInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.RecvInitialMetadata(context_);
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Read(R* msg, void* tag) GRPC_OVERRIDE {
+    read_ops_.set_output_tag(tag);
+    if (!context_->initial_metadata_received_) {
+      read_ops_.RecvInitialMetadata(context_);
+    }
+    read_ops_.RecvMessage(msg);
+    call_.PerformOps(&read_ops_);
+  }
+
+  void Write(const W& msg, void* tag) GRPC_OVERRIDE {
+    write_ops_.set_output_tag(tag);
+    // TODO(ctiller): don't assert
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
+    call_.PerformOps(&write_ops_);
+  }
+
+  void WritesDone(void* tag) GRPC_OVERRIDE {
+    writes_done_ops_.set_output_tag(tag);
+    writes_done_ops_.ClientSendClose();
+    call_.PerformOps(&writes_done_ops_);
+  }
+
+  void Finish(Status* status, void* tag) GRPC_OVERRIDE {
+    finish_ops_.set_output_tag(tag);
+    if (!context_->initial_metadata_received_) {
+      finish_ops_.RecvInitialMetadata(context_);
+    }
+    finish_ops_.ClientRecvStatus(context_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  ClientContext* context_;
+  Call call_;
+  CallOpSet<CallOpSendInitialMetadata> init_ops_;
+  CallOpSet<CallOpRecvInitialMetadata> meta_ops_;
+  CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>> read_ops_;
+  CallOpSet<CallOpSendMessage> write_ops_;
+  CallOpSet<CallOpClientSendClose> writes_done_ops_;
+  CallOpSet<CallOpRecvInitialMetadata, CallOpClientRecvStatus> finish_ops_;
+};
+
+template <class W, class R>
+class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
+                                     public AsyncReaderInterface<R> {
+ public:
+  explicit ServerAsyncReader(ServerContext* ctx)
+      : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
+
+  void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    ctx_->sent_initial_metadata_ = true;
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Read(R* msg, void* tag) GRPC_OVERRIDE {
+    read_ops_.set_output_tag(tag);
+    read_ops_.RecvMessage(msg);
+    call_.PerformOps(&read_ops_);
+  }
+
+  void Finish(const W& msg, const Status& status, void* tag) {
+    finish_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    // The response is dropped if the status is not OK.
+    if (status.ok()) {
+      finish_ops_.ServerSendStatus(ctx_->trailing_metadata_,
+                                   finish_ops_.SendMessage(msg));
+    } else {
+      finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
+    }
+    call_.PerformOps(&finish_ops_);
+  }
+
+  void FinishWithError(const Status& status, void* tag) {
+    GPR_CODEGEN_ASSERT(!status.ok());
+    finish_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  void BindCall(Call* call) GRPC_OVERRIDE { call_ = *call; }
+
+  Call call_;
+  ServerContext* ctx_;
+  CallOpSet<CallOpSendInitialMetadata> meta_ops_;
+  CallOpSet<CallOpRecvMessage<R>> read_ops_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
+            CallOpServerSendStatus>
+      finish_ops_;
+};
+
+template <class W>
+class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
+                                     public AsyncWriterInterface<W> {
+ public:
+  explicit ServerAsyncWriter(ServerContext* ctx)
+      : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
+
+  void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    ctx_->sent_initial_metadata_ = true;
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Write(const W& msg, void* tag) GRPC_OVERRIDE {
+    write_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    // TODO(ctiller): don't assert
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
+    call_.PerformOps(&write_ops_);
+  }
+
+  void Finish(const Status& status, void* tag) {
+    finish_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  void BindCall(Call* call) GRPC_OVERRIDE { call_ = *call; }
+
+  Call call_;
+  ServerContext* ctx_;
+  CallOpSet<CallOpSendInitialMetadata> meta_ops_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage> write_ops_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> finish_ops_;
+};
+
+/// Server-side interface for asynchronous bi-directional streaming.
+template <class W, class R>
+class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
+                                           public AsyncWriterInterface<W>,
+                                           public AsyncReaderInterface<R> {
+ public:
+  explicit ServerAsyncReaderWriter(ServerContext* ctx)
+      : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
+
+  void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
+
+    meta_ops_.set_output_tag(tag);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    ctx_->sent_initial_metadata_ = true;
+    call_.PerformOps(&meta_ops_);
+  }
+
+  void Read(R* msg, void* tag) GRPC_OVERRIDE {
+    read_ops_.set_output_tag(tag);
+    read_ops_.RecvMessage(msg);
+    call_.PerformOps(&read_ops_);
+  }
+
+  void Write(const W& msg, void* tag) GRPC_OVERRIDE {
+    write_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    // TODO(ctiller): don't assert
+    GPR_CODEGEN_ASSERT(write_ops_.SendMessage(msg).ok());
+    call_.PerformOps(&write_ops_);
+  }
+
+  void Finish(const Status& status, void* tag) {
+    finish_ops_.set_output_tag(tag);
+    if (!ctx_->sent_initial_metadata_) {
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      ctx_->sent_initial_metadata_ = true;
+    }
+    finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
+    call_.PerformOps(&finish_ops_);
+  }
+
+ private:
+  friend class ::grpc::Server;
+
+  void BindCall(Call* call) GRPC_OVERRIDE { call_ = *call; }
+
+  Call call_;
+  ServerContext* ctx_;
+  CallOpSet<CallOpSendInitialMetadata> meta_ops_;
+  CallOpSet<CallOpRecvMessage<R>> read_ops_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage> write_ops_;
+  CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> finish_ops_;
+};
+
+}  // namespace grpc
+
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
diff --git a/include/grpc++/impl/codegen/impl/status_code_enum.h b/include/grpc++/impl/codegen/impl/status_code_enum.h
new file mode 100644
index 0000000000..f8caec0c11
--- /dev/null
+++ b/include/grpc++/impl/codegen/impl/status_code_enum.h
@@ -0,0 +1,152 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
+
+namespace grpc {
+
+enum StatusCode {
+  /// Not an error; returned on success.
+  OK = 0,
+
+  /// The operation was cancelled (typically by the caller).
+  CANCELLED = 1,
+
+  /// Unknown error. An example of where this error may be returned is if a
+  /// Status value received from another address space belongs to an error-space
+  /// that is not known in this address space. Also errors raised by APIs that
+  /// do not return enough error information may be converted to this error.
+  UNKNOWN = 2,
+
+  /// Client specified an invalid argument. Note that this differs from
+  /// FAILED_PRECONDITION. INVALID_ARGUMENT indicates arguments that are
+  /// problematic regardless of the state of the system (e.g., a malformed file
+  /// name).
+  INVALID_ARGUMENT = 3,
+
+  /// Deadline expired before operation could complete. For operations that
+  /// change the state of the system, this error may be returned even if the
+  /// operation has completed successfully. For example, a successful response
+  /// from a server could have been delayed long enough for the deadline to
+  /// expire.
+  DEADLINE_EXCEEDED = 4,
+
+  /// Some requested entity (e.g., file or directory) was not found.
+  NOT_FOUND = 5,
+
+  /// Some entity that we attempted to create (e.g., file or directory) already
+  /// exists.
+  ALREADY_EXISTS = 6,
+
+  /// The caller does not have permission to execute the specified operation.
+  /// PERMISSION_DENIED must not be used for rejections caused by exhausting
+  /// some resource (use RESOURCE_EXHAUSTED instead for those errors).
+  /// PERMISSION_DENIED must not be used if the caller can not be identified
+  /// (use UNAUTHENTICATED instead for those errors).
+  PERMISSION_DENIED = 7,
+
+  /// The request does not have valid authentication credentials for the
+  /// operation.
+  UNAUTHENTICATED = 16,
+
+  /// Some resource has been exhausted, perhaps a per-user quota, or perhaps the
+  /// entire file system is out of space.
+  RESOURCE_EXHAUSTED = 8,
+
+  /// Operation was rejected because the system is not in a state required for
+  /// the operation's execution. For example, directory to be deleted may be
+  /// non-empty, an rmdir operation is applied to a non-directory, etc.
+  ///
+  /// A litmus test that may help a service implementor in deciding
+  /// between FAILED_PRECONDITION, ABORTED, and UNAVAILABLE:
+  ///  (a) Use UNAVAILABLE if the client can retry just the failing call.
+  ///  (b) Use ABORTED if the client should retry at a higher-level
+  ///      (e.g., restarting a read-modify-write sequence).
+  ///  (c) Use FAILED_PRECONDITION if the client should not retry until
+  ///      the system state has been explicitly fixed. E.g., if an "rmdir"
+  ///      fails because the directory is non-empty, FAILED_PRECONDITION
+  ///      should be returned since the client should not retry unless
+  ///      they have first fixed up the directory by deleting files from it.
+  ///  (d) Use FAILED_PRECONDITION if the client performs conditional
+  ///      REST Get/Update/Delete on a resource and the resource on the
+  ///      server does not match the condition. E.g., conflicting
+  ///      read-modify-write on the same resource.
+  FAILED_PRECONDITION = 9,
+
+  /// The operation was aborted, typically due to a concurrency issue like
+  /// sequencer check failures, transaction aborts, etc.
+  ///
+  /// See litmus test above for deciding between FAILED_PRECONDITION, ABORTED,
+  /// and UNAVAILABLE.
+  ABORTED = 10,
+
+  /// Operation was attempted past the valid range. E.g., seeking or reading
+  /// past end of file.
+  ///
+  /// Unlike INVALID_ARGUMENT, this error indicates a problem that may be fixed
+  /// if the system state changes. For example, a 32-bit file system will
+  /// generate INVALID_ARGUMENT if asked to read at an offset that is not in the
+  /// range [0,2^32-1], but it will generate OUT_OF_RANGE if asked to read from
+  /// an offset past the current file size.
+  ///
+  /// There is a fair bit of overlap between FAILED_PRECONDITION and
+  /// OUT_OF_RANGE. We recommend using OUT_OF_RANGE (the more specific error)
+  /// when it applies so that callers who are iterating through a space can
+  /// easily look for an OUT_OF_RANGE error to detect when they are done.
+  OUT_OF_RANGE = 11,
+
+  /// Operation is not implemented or not supported/enabled in this service.
+  UNIMPLEMENTED = 12,
+
+  /// Internal errors. Means some invariants expected by underlying System has
+  /// been broken. If you see one of these errors, Something is very broken.
+  INTERNAL = 13,
+
+  /// The service is currently unavailable. This is a most likely a transient
+  /// condition and may be corrected by retrying with a backoff.
+  ///
+  /// See litmus test above for deciding between FAILED_PRECONDITION, ABORTED,
+  /// and UNAVAILABLE.
+  UNAVAILABLE = 14,
+
+  /// Unrecoverable data loss or corruption.
+  DATA_LOSS = 15,
+
+  /// Force users to include a default branch:
+  DO_NOT_USE = -1
+};
+
+}  // namespace grpc
+
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
diff --git a/src/core/surface/init_secure.c b/include/grpc++/impl/codegen/impl/sync.h
index fa20e91583..88951de6d0 100644
--- a/src/core/surface/init_secure.c
+++ b/include/grpc++/impl/codegen/impl/sync.h
@@ -31,12 +31,15 @@
  *
  */
 
-#include "src/core/surface/init.h"
-#include "src/core/debug/trace.h"
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/tsi/transport_security_interface.h"
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
 
-void grpc_security_pre_init(void) {
-  grpc_register_tracer("secure_endpoint", &grpc_trace_secure_endpoint);
-  grpc_register_tracer("transport_security", &tsi_tracing_enabled);
-}
+#include <grpc++/impl/codegen/config.h>
+
+#ifdef GRPC_CXX0X_NO_THREAD
+#include <grpc++/impl/codegen/sync_no_cxx11.h>
+#else
+#include <grpc++/impl/codegen/sync_cxx11.h>
+#endif
+
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h
index 1bf9bf0549..ad74efabc4 100644
--- a/include/grpc++/impl/codegen/method_handler_impl.h
+++ b/include/grpc++/impl/codegen/method_handler_impl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,7 @@
 #ifndef GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H
 #define GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H
 
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/rpc_service_method.h>
 #include <grpc++/impl/codegen/sync_stream.h>
 
@@ -58,10 +59,12 @@ class RpcMethodHandler : public MethodHandler {
       status = func_(service_, param.server_context, &req, &rsp);
     }
 
-    GPR_ASSERT(!param.server_context->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!param.server_context->sent_initial_metadata_);
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpServerSendStatus> ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+              CallOpServerSendStatus>
+        ops;
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -73,7 +76,8 @@ class RpcMethodHandler : public MethodHandler {
  private:
   // Application provided rpc handler function.
   std::function<Status(ServiceType*, ServerContext*, const RequestType*,
-                       ResponseType*)> func_;
+                       ResponseType*)>
+      func_;
   // The class the above handler function lives in.
   ServiceType* service_;
 };
@@ -93,10 +97,12 @@ class ClientStreamingHandler : public MethodHandler {
     ResponseType rsp;
     Status status = func_(service_, param.server_context, &reader, &rsp);
 
-    GPR_ASSERT(!param.server_context->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!param.server_context->sent_initial_metadata_);
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpServerSendStatus> ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+              CallOpServerSendStatus>
+        ops;
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -107,7 +113,8 @@ class ClientStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*, ServerReader<RequestType>*,
-                       ResponseType*)> func_;
+                       ResponseType*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -133,7 +140,8 @@ class ServerStreamingHandler : public MethodHandler {
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -142,7 +150,8 @@ class ServerStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*, const RequestType*,
-                       ServerWriter<ResponseType>*)> func_;
+                       ServerWriter<ResponseType>*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -164,7 +173,8 @@ class BidiStreamingHandler : public MethodHandler {
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -173,7 +183,8 @@ class BidiStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*,
-                       ServerReaderWriter<ResponseType, RequestType>*)> func_;
+                       ServerReaderWriter<ResponseType, RequestType>*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -184,7 +195,8 @@ class UnknownMethodHandler : public MethodHandler {
   static void FillOps(ServerContext* context, T* ops) {
     Status status(StatusCode::UNIMPLEMENTED, "");
     if (!context->sent_initial_metadata_) {
-      ops->SendInitialMetadata(context->initial_metadata_);
+      ops->SendInitialMetadata(context->initial_metadata_,
+                               context->initial_metadata_flags());
       context->sent_initial_metadata_ = true;
     }
     ops->ServerSendStatus(context->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/proto_utils.h b/include/grpc++/impl/codegen/proto_utils.h
index ce177104e0..2aaa3c3b30 100644
--- a/include/grpc++/impl/codegen/proto_utils.h
+++ b/include/grpc++/impl/codegen/proto_utils.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,22 +36,16 @@
 
 #include <type_traits>
 
-#include <grpc/impl/codegen/byte_buffer.h>
-#include <grpc++/impl/codegen/serialization_traits.h>
 #include <grpc++/impl/codegen/config_protobuf.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc++/impl/codegen/serialization_traits.h>
 #include <grpc++/impl/codegen/status.h>
+#include <grpc/impl/codegen/byte_buffer.h>
+#include <grpc/impl/codegen/log.h>
 
 namespace grpc {
 
-// Serialize the msg into a buffer created inside the function. The caller
-// should destroy the returned buffer when done with it. If serialization fails,
-// false is returned and buffer is left unchanged.
-Status SerializeProto(const grpc::protobuf::Message& msg,
-                      grpc_byte_buffer** buffer);
-
-// The caller keeps ownership of buffer and msg.
-Status DeserializeProto(grpc_byte_buffer* buffer, grpc::protobuf::Message* msg,
-                        int max_message_size);
+extern CoreCodegenInterface* g_core_codegen_interface;
 
 template <class T>
 class SerializationTraits<T, typename std::enable_if<std::is_base_of<
@@ -60,14 +54,13 @@ class SerializationTraits<T, typename std::enable_if<std::is_base_of<
   static Status Serialize(const grpc::protobuf::Message& msg,
                           grpc_byte_buffer** buffer, bool* own_buffer) {
     *own_buffer = true;
-    return SerializeProto(msg, buffer);
+    return g_core_codegen_interface->SerializeProto(msg, buffer);
   }
   static Status Deserialize(grpc_byte_buffer* buffer,
                             grpc::protobuf::Message* msg,
                             int max_message_size) {
-    auto status = DeserializeProto(buffer, msg, max_message_size);
-    grpc_byte_buffer_destroy(buffer);
-    return status;
+    return g_core_codegen_interface->DeserializeProto(buffer, msg,
+                                                      max_message_size);
   }
 };
 
diff --git a/include/grpc++/impl/codegen/rpc_method.h b/include/grpc++/impl/codegen/rpc_method.h
index 85d5c1cfe2..39cb4f75df 100644
--- a/include/grpc++/impl/codegen/rpc_method.h
+++ b/include/grpc++/impl/codegen/rpc_method.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/rpc_service_method.h b/include/grpc++/impl/codegen/rpc_service_method.h
index 6256301677..8b1f026c91 100644
--- a/include/grpc++/impl/codegen/rpc_service_method.h
+++ b/include/grpc++/impl/codegen/rpc_service_method.h
@@ -40,10 +40,10 @@
 #include <memory>
 #include <vector>
 
-#include <grpc/impl/codegen/byte_buffer.h>
 #include <grpc++/impl/codegen/config.h>
 #include <grpc++/impl/codegen/rpc_method.h>
 #include <grpc++/impl/codegen/status.h>
+#include <grpc/impl/codegen/byte_buffer.h>
 
 namespace grpc {
 class ServerContext;
diff --git a/include/grpc++/impl/codegen/security/auth_context.h b/include/grpc++/impl/codegen/security/auth_context.h
index 7544430811..75f2482346 100644
--- a/include/grpc++/impl/codegen/security/auth_context.h
+++ b/include/grpc++/impl/codegen/security/auth_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/serialization_traits.h b/include/grpc++/impl/codegen/serialization_traits.h
index 83c3b64eb3..fa99dbfa9c 100644
--- a/include/grpc++/impl/codegen/serialization_traits.h
+++ b/include/grpc++/impl/codegen/serialization_traits.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/server_context.h b/include/grpc++/impl/codegen/server_context.h
index ad08b8210d..7fa0235ca9 100644
--- a/include/grpc++/impl/codegen/server_context.h
+++ b/include/grpc++/impl/codegen/server_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,12 +37,12 @@
 #include <map>
 #include <memory>
 
-#include <grpc/impl/codegen/compression_types.h>
-#include <grpc/impl/codegen/time.h>
-#include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/string_ref.h>
 #include <grpc++/impl/codegen/time.h>
+#include <grpc/impl/codegen/compression_types.h>
+#include <grpc/impl/codegen/time.h>
 
 struct gpr_timespec;
 struct grpc_metadata;
@@ -103,6 +103,9 @@ class ServerContext {
   void AddInitialMetadata(const grpc::string& key, const grpc::string& value);
   void AddTrailingMetadata(const grpc::string& key, const grpc::string& value);
 
+  // IsCancelled is always safe to call when using sync API
+  // When using async API, it is only safe to call IsCancelled after
+  // the AsyncNotifyWhenDone tag has been delivered
   bool IsCancelled() const;
 
   // Cancel the Call from the server. This is a best-effort API and depending on
@@ -192,6 +195,8 @@ class ServerContext {
 
   void set_call(grpc_call* call);
 
+  uint32_t initial_metadata_flags() const { return 0; }
+
   CompletionOp* completion_op_;
   bool has_notify_when_done_tag_;
   void* async_notify_when_done_tag_;
diff --git a/include/grpc++/impl/codegen/server_interface.h b/include/grpc++/impl/codegen/server_interface.h
index f934619c20..7b7d5aa90b 100644
--- a/include/grpc++/impl/codegen/server_interface.h
+++ b/include/grpc++/impl/codegen/server_interface.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,10 +34,11 @@
 #ifndef GRPCXX_IMPL_CODEGEN_SERVER_INTERFACE_H
 #define GRPCXX_IMPL_CODEGEN_SERVER_INTERFACE_H
 
-#include <grpc/impl/codegen/grpc_types.h>
 #include <grpc++/impl/codegen/call_hook.h>
 #include <grpc++/impl/codegen/completion_queue_tag.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/rpc_service_method.h>
+#include <grpc/impl/codegen/grpc_types.h>
 
 namespace grpc {
 
@@ -191,10 +192,11 @@ class ServerInterface : public CallHook {
     bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE {
       bool serialization_status =
           *status && payload_ &&
-          SerializationTraits<Message>::Deserialize(
-              payload_, request_, server_->max_message_size()).ok();
+          SerializationTraits<Message>::Deserialize(payload_, request_,
+                                                    server_->max_message_size())
+              .ok();
       bool ret = RegisteredAsyncRequest::FinalizeResult(tag, status);
-      *status = serialization_status&&* status;
+      *status = serialization_status && *status;
       return ret;
     }
 
@@ -223,7 +225,7 @@ class ServerInterface : public CallHook {
                         CompletionQueue* call_cq,
                         ServerCompletionQueue* notification_cq, void* tag,
                         Message* message) {
-    GPR_ASSERT(method);
+    GPR_CODEGEN_ASSERT(method);
     new PayloadAsyncRequest<Message>(method->server_tag(), this, context,
                                      stream, call_cq, notification_cq, tag,
                                      message);
@@ -233,7 +235,7 @@ class ServerInterface : public CallHook {
                         ServerAsyncStreamingInterface* stream,
                         CompletionQueue* call_cq,
                         ServerCompletionQueue* notification_cq, void* tag) {
-    GPR_ASSERT(method);
+    GPR_CODEGEN_ASSERT(method);
     new NoPayloadAsyncRequest(method->server_tag(), this, context, stream,
                               call_cq, notification_cq, tag);
   }
diff --git a/include/grpc++/impl/codegen/service_type.h b/include/grpc++/impl/codegen/service_type.h
index deb91a41d9..c19dfc7d45 100644
--- a/include/grpc++/impl/codegen/service_type.h
+++ b/include/grpc++/impl/codegen/service_type.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 #define GRPCXX_IMPL_CODEGEN_SERVICE_TYPE_H
 
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/rpc_service_method.h>
 #include <grpc++/impl/codegen/serialization_traits.h>
 #include <grpc++/impl/codegen/server_interface.h>
@@ -131,21 +132,18 @@ class Service {
   void AddMethod(RpcServiceMethod* method) { methods_.emplace_back(method); }
 
   void MarkMethodAsync(int index) {
-    if (methods_[index].get() == nullptr) {
-      gpr_log(GPR_ERROR,
-              "Cannot mark the method as 'async' because it has already been "
-              "marked as 'generic'.");
-      return;
-    }
+    GPR_CODEGEN_ASSERT(
+        methods_[index].get() != nullptr &&
+        "Cannot mark the method as 'async' because it has already been "
+        "marked as 'generic'.");
     methods_[index]->ResetHandler();
   }
 
   void MarkMethodGeneric(int index) {
-    if (methods_[index]->handler() == nullptr) {
-      gpr_log(GPR_ERROR,
-              "Cannot mark the method as 'generic' because it has already been "
-              "marked as 'async'.");
-    }
+    GPR_CODEGEN_ASSERT(
+        methods_[index]->handler() != nullptr &&
+        "Cannot mark the method as 'generic' because it has already been "
+        "marked as 'async'.");
     methods_[index].reset();
   }
 
diff --git a/include/grpc++/impl/codegen/string_ref.h b/include/grpc++/impl/codegen/string_ref.h
index e3af37e0c2..003793823c 100644
--- a/include/grpc++/impl/codegen/string_ref.h
+++ b/include/grpc++/impl/codegen/string_ref.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,12 @@
 #ifndef GRPCXX_IMPL_CODEGEN_STRING_REF_H
 #define GRPCXX_IMPL_CODEGEN_STRING_REF_H
 
-#include <iterator>
+#include <string.h>
+
+#include <algorithm>
 #include <iosfwd>
+#include <iostream>
+#include <iterator>
 
 #include <grpc++/impl/codegen/config.h>
 
@@ -62,8 +66,13 @@ class string_ref {
   string_ref() : data_(nullptr), length_(0) {}
   string_ref(const string_ref& other)
       : data_(other.data_), length_(other.length_) {}
-  string_ref& operator=(const string_ref& rhs);
-  string_ref(const char* s);
+  string_ref& operator=(const string_ref& rhs) {
+    data_ = rhs.data_;
+    length_ = rhs.length_;
+    return *this;
+  }
+
+  string_ref(const char* s) : data_(s), length_(strlen(s)) {}
   string_ref(const char* s, size_t l) : data_(s), length_(l) {}
   string_ref(const grpc::string& s) : data_(s.data()), length_(s.length()) {}
 
@@ -95,13 +104,40 @@ class string_ref {
   const char* data() const { return data_; }
 
   // string operations
-  int compare(string_ref x) const;
-  bool starts_with(string_ref x) const;
-  bool ends_with(string_ref x) const;
-  size_t find(string_ref s) const;
-  size_t find(char c) const;
+  int compare(string_ref x) const {
+    size_t min_size = length_ < x.length_ ? length_ : x.length_;
+    int r = memcmp(data_, x.data_, min_size);
+    if (r < 0) return -1;
+    if (r > 0) return 1;
+    if (length_ < x.length_) return -1;
+    if (length_ > x.length_) return 1;
+    return 0;
+  }
+
+  bool starts_with(string_ref x) const {
+    return length_ >= x.length_ && (memcmp(data_, x.data_, x.length_) == 0);
+  }
 
-  string_ref substr(size_t pos, size_t n = npos) const;
+  bool ends_with(string_ref x) const {
+    return length_ >= x.length_ &&
+           (memcmp(data_ + (length_ - x.length_), x.data_, x.length_) == 0);
+  }
+
+  size_t find(string_ref s) const {
+    auto it = std::search(cbegin(), cend(), s.cbegin(), s.cend());
+    return it == cend() ? npos : std::distance(cbegin(), it);
+  }
+
+  size_t find(char c) const {
+    auto it = std::find(cbegin(), cend(), c);
+    return it == cend() ? npos : std::distance(cbegin(), it);
+  }
+
+  string_ref substr(size_t pos, size_t n = npos) const {
+    if (pos > length_) pos = length_;
+    if (n > (length_ - pos)) n = length_ - pos;
+    return string_ref(data_ + pos, n);
+  }
 
  private:
   const char* data_;
@@ -109,14 +145,16 @@ class string_ref {
 };
 
 // Comparison operators
-bool operator==(string_ref x, string_ref y);
-bool operator!=(string_ref x, string_ref y);
-bool operator<(string_ref x, string_ref y);
-bool operator>(string_ref x, string_ref y);
-bool operator<=(string_ref x, string_ref y);
-bool operator>=(string_ref x, string_ref y);
-
-std::ostream& operator<<(std::ostream& stream, const string_ref& string);
+inline bool operator==(string_ref x, string_ref y) { return x.compare(y) == 0; }
+inline bool operator!=(string_ref x, string_ref y) { return x.compare(y) != 0; }
+inline bool operator<(string_ref x, string_ref y) { return x.compare(y) < 0; }
+inline bool operator<=(string_ref x, string_ref y) { return x.compare(y) <= 0; }
+inline bool operator>(string_ref x, string_ref y) { return x.compare(y) > 0; }
+inline bool operator>=(string_ref x, string_ref y) { return x.compare(y) >= 0; }
+
+inline std::ostream& operator<<(std::ostream& out, const string_ref& string) {
+  return out << grpc::string(string.begin(), string.end());
+}
 
 }  // namespace grpc
 
diff --git a/include/grpc++/impl/codegen/stub_options.h b/include/grpc++/impl/codegen/stub_options.h
index 3912ae2bf9..8e966a8dbf 100644
--- a/include/grpc++/impl/codegen/stub_options.h
+++ b/include/grpc++/impl/codegen/stub_options.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync.h b/include/grpc++/impl/codegen/sync.h
index 375af1543b..62194c7708 100644
--- a/include/grpc++/impl/codegen/sync.h
+++ b/include/grpc++/impl/codegen/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_cxx11.h b/include/grpc++/impl/codegen/sync_cxx11.h
index 4910547647..6626ca1f94 100644
--- a/include/grpc++/impl/codegen/sync_cxx11.h
+++ b/include/grpc++/impl/codegen/sync_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_no_cxx11.h b/include/grpc++/impl/codegen/sync_no_cxx11.h
index 8dea847367..55c059ede7 100644
--- a/include/grpc++/impl/codegen/sync_no_cxx11.h
+++ b/include/grpc++/impl/codegen/sync_no_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_stream.h b/include/grpc++/impl/codegen/sync_stream.h
index 9ae48bd23d..9100ce09a2 100644
--- a/include/grpc++/impl/codegen/sync_stream.h
+++ b/include/grpc++/impl/codegen/sync_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,7 @@
 #include <grpc++/impl/codegen/channel_interface.h>
 #include <grpc++/impl/codegen/client_context.h>
 #include <grpc++/impl/codegen/completion_queue.h>
+#include <grpc++/impl/codegen/core_codegen_interface.h>
 #include <grpc++/impl/codegen/server_context.h>
 #include <grpc++/impl/codegen/service_type.h>
 #include <grpc++/impl/codegen/status.h>
@@ -122,17 +123,19 @@ class ClientReader GRPC_FINAL : public ClientReaderInterface<R> {
                ClientContext* context, const W& request)
       : context_(context), call_(channel->CreateCall(method, context, &cq_)) {
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpClientSendClose> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+              CallOpClientSendClose>
+        ops;
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     // TODO(ctiller): don't assert
-    GPR_ASSERT(ops.SendMessage(request).ok());
+    GPR_CODEGEN_ASSERT(ops.SendMessage(request).ok());
     ops.ClientSendClose();
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
 
   void WaitForInitialMetadata() GRPC_OVERRIDE {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     CallOpSet<CallOpRecvInitialMetadata> ops;
     ops.RecvInitialMetadata(context_);
@@ -155,7 +158,7 @@ class ClientReader GRPC_FINAL : public ClientReaderInterface<R> {
     Status status;
     ops.ClientRecvStatus(context_, &status);
     call_.PerformOps(&ops);
-    GPR_ASSERT(cq_.Pluck(&ops));
+    GPR_CODEGEN_ASSERT(cq_.Pluck(&ops));
     return status;
   }
 
@@ -188,13 +191,14 @@ class ClientWriter : public ClientWriterInterface<W> {
     finish_ops_.RecvMessage(response);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
 
   void WaitForInitialMetadata() {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     CallOpSet<CallOpRecvInitialMetadata> ops;
     ops.RecvInitialMetadata(context_);
@@ -227,14 +231,15 @@ class ClientWriter : public ClientWriterInterface<W> {
     }
     finish_ops_.ClientRecvStatus(context_, &status);
     call_.PerformOps(&finish_ops_);
-    GPR_ASSERT(cq_.Pluck(&finish_ops_));
+    GPR_CODEGEN_ASSERT(cq_.Pluck(&finish_ops_));
     return status;
   }
 
  private:
   ClientContext* context_;
   CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
-            CallOpClientRecvStatus> finish_ops_;
+            CallOpClientRecvStatus>
+      finish_ops_;
   CompletionQueue cq_;
   Call call_;
 };
@@ -265,13 +270,14 @@ class ClientReaderWriter GRPC_FINAL : public ClientReaderWriterInterface<W, R> {
                      ClientContext* context)
       : context_(context), call_(channel->CreateCall(method, context, &cq_)) {
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
 
   void WaitForInitialMetadata() GRPC_OVERRIDE {
-    GPR_ASSERT(!context_->initial_metadata_received_);
+    GPR_CODEGEN_ASSERT(!context_->initial_metadata_received_);
 
     CallOpSet<CallOpRecvInitialMetadata> ops;
     ops.RecvInitialMetadata(context_);
@@ -312,7 +318,7 @@ class ClientReaderWriter GRPC_FINAL : public ClientReaderWriterInterface<W, R> {
     Status status;
     ops.ClientRecvStatus(context_, &status);
     call_.PerformOps(&ops);
-    GPR_ASSERT(cq_.Pluck(&ops));
+    GPR_CODEGEN_ASSERT(cq_.Pluck(&ops));
     return status;
   }
 
@@ -328,10 +334,11 @@ class ServerReader GRPC_FINAL : public ReaderInterface<R> {
   ServerReader(Call* call, ServerContext* ctx) : call_(call), ctx_(ctx) {}
 
   void SendInitialMetadata() {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -355,10 +362,11 @@ class ServerWriter GRPC_FINAL : public WriterInterface<W> {
   ServerWriter(Call* call, ServerContext* ctx) : call_(call), ctx_(ctx) {}
 
   void SendInitialMetadata() {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -371,7 +379,8 @@ class ServerWriter GRPC_FINAL : public WriterInterface<W> {
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
@@ -391,10 +400,11 @@ class ServerReaderWriter GRPC_FINAL : public WriterInterface<W>,
   ServerReaderWriter(Call* call, ServerContext* ctx) : call_(call), ctx_(ctx) {}
 
   void SendInitialMetadata() {
-    GPR_ASSERT(!ctx_->sent_initial_metadata_);
+    GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -414,7 +424,8 @@ class ServerReaderWriter GRPC_FINAL : public WriterInterface<W>,
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
diff --git a/include/grpc++/impl/codegen/time.h b/include/grpc++/impl/codegen/time.h
index bed7423341..d9b19bce64 100644
--- a/include/grpc++/impl/codegen/time.h
+++ b/include/grpc++/impl/codegen/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/grpc_library.h b/include/grpc++/impl/grpc_library.h
index e8a075f5eb..175cf99a82 100644
--- a/include/grpc++/impl/grpc_library.h
+++ b/include/grpc++/impl/grpc_library.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,21 +40,31 @@
 #include <grpc++/impl/codegen/grpc_library.h>
 #include <grpc/grpc.h>
 
+#include "src/cpp/common/core_codegen.h"
+
 namespace grpc {
 
 namespace internal {
 class GrpcLibrary GRPC_FINAL : public GrpcLibraryInterface {
  public:
   void init() GRPC_OVERRIDE { grpc_init(); }
-
   void shutdown() GRPC_OVERRIDE { grpc_shutdown(); }
 };
 
 static GrpcLibrary g_gli;
+static CoreCodegen g_core_codegen;
 
+/// Instantiating this class ensures the proper initialization of gRPC.
 class GrpcLibraryInitializer GRPC_FINAL {
  public:
-  GrpcLibraryInitializer() { grpc::g_glip = &g_gli; }
+  GrpcLibraryInitializer() {
+    if (grpc::g_glip == nullptr) {
+      grpc::g_glip = &g_gli;
+    }
+    if (grpc::g_core_codegen_interface == nullptr) {
+      grpc::g_core_codegen_interface = &g_core_codegen;
+    }
+  }
 
   /// A no-op method to force the linker to reference this class, which will
   /// take care of initializing and shutting down the gRPC runtime.
diff --git a/include/grpc++/impl/method_handler_impl.h b/include/grpc++/impl/method_handler_impl.h
index 305fd2865e..443978b82f 100644
--- a/include/grpc++/impl/method_handler_impl.h
+++ b/include/grpc++/impl/method_handler_impl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/proto_utils.h b/include/grpc++/impl/proto_utils.h
index 9124001e20..a34cf9bd6c 100644
--- a/include/grpc++/impl/proto_utils.h
+++ b/include/grpc++/impl/proto_utils.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
-#define GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
+#ifndef GRPCXX_IMPL_PROTO_UTILS_H
+#define GRPCXX_IMPL_PROTO_UTILS_H
 
 #include <grpc++/impl/codegen/proto_utils.h>
 
-#endif  // GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
+#endif  // GRPCXX_IMPL_PROTO_UTILS_H
diff --git a/include/grpc++/impl/rpc_method.h b/include/grpc++/impl/rpc_method.h
index 8b5d1a3282..27293e6791 100644
--- a/include/grpc++/impl/rpc_method.h
+++ b/include/grpc++/impl/rpc_method.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/serialization_traits.h b/include/grpc++/impl/serialization_traits.h
index fad4398174..53538299dd 100644
--- a/include/grpc++/impl/serialization_traits.h
+++ b/include/grpc++/impl/serialization_traits.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/service_type.h b/include/grpc++/impl/service_type.h
index b33fbec739..ffad7a3959 100644
--- a/include/grpc++/impl/service_type.h
+++ b/include/grpc++/impl/service_type.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync.h b/include/grpc++/impl/sync.h
index 824139043b..3339cddba4 100644
--- a/include/grpc++/impl/sync.h
+++ b/include/grpc++/impl/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync_cxx11.h b/include/grpc++/impl/sync_cxx11.h
index 22997a19c2..78acec197e 100644
--- a/include/grpc++/impl/sync_cxx11.h
+++ b/include/grpc++/impl/sync_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync_no_cxx11.h b/include/grpc++/impl/sync_no_cxx11.h
index def800d6f4..e40269d1e5 100644
--- a/include/grpc++/impl/sync_no_cxx11.h
+++ b/include/grpc++/impl/sync_no_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/security/auth_context.h b/include/grpc++/security/auth_context.h
index bca8fa7c0c..424418386a 100644
--- a/include/grpc++/security/auth_context.h
+++ b/include/grpc++/security/auth_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPCXX_SUPPORT_AUTH_CONTEXT_H
-#define GRPCXX_SUPPORT_AUTH_CONTEXT_H
+#ifndef GRPCXX_SECURITY_AUTH_CONTEXT_H
+#define GRPCXX_SECURITY_AUTH_CONTEXT_H
 
 #include <grpc++/impl/codegen/security/auth_context.h>
 
-#endif  // GRPCXX_SUPPORT_AUTH_CONTEXT_H
+#endif  // GRPCXX_SECURITY_AUTH_CONTEXT_H
diff --git a/include/grpc++/security/auth_metadata_processor.h b/include/grpc++/security/auth_metadata_processor.h
index 25011f33ba..1ae32d0f6c 100644
--- a/include/grpc++/security/auth_metadata_processor.h
+++ b/include/grpc++/security/auth_metadata_processor.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_AUTH_METADATA_PROCESSOR_H_
-#define GRPCXX_AUTH_METADATA_PROCESSOR_H_
+#ifndef GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
+#define GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
 
 #include <map>
 
@@ -70,4 +70,4 @@ class AuthMetadataProcessor {
 
 }  // namespace grpc
 
-#endif  // GRPCXX_AUTH_METADATA_PROCESSOR_H_
+#endif  // GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
diff --git a/include/grpc++/security/credentials.h b/include/grpc++/security/credentials.h
index e0806c0b7b..5439244b02 100644
--- a/include/grpc++/security/credentials.h
+++ b/include/grpc++/security/credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_CREDENTIALS_H
-#define GRPCXX_CREDENTIALS_H
+#ifndef GRPCXX_SECURITY_CREDENTIALS_H
+#define GRPCXX_SECURITY_CREDENTIALS_H
 
 #include <map>
 #include <memory>
@@ -57,7 +57,7 @@ class SecureCallCredentials;
 /// for all the calls on that channel.
 ///
 /// \see http://www.grpc.io/docs/guides/auth.html
-class ChannelCredentials : private GrpcLibrary {
+class ChannelCredentials : private GrpcLibraryCodegen {
  public:
   ChannelCredentials();
   ~ChannelCredentials();
@@ -83,7 +83,7 @@ class ChannelCredentials : private GrpcLibrary {
 /// authenticate with a server for a given call on a channel.
 ///
 /// \see http://www.grpc.io/docs/guides/auth.html
-class CallCredentials : private GrpcLibrary {
+class CallCredentials : private GrpcLibraryCodegen {
  public:
   CallCredentials();
   ~CallCredentials();
@@ -229,4 +229,4 @@ std::shared_ptr<CallCredentials> MetadataCredentialsFromPlugin(
 
 }  // namespace grpc
 
-#endif  // GRPCXX_CREDENTIALS_H
+#endif  // GRPCXX_SECURITY_CREDENTIALS_H
diff --git a/include/grpc++/security/server_credentials.h b/include/grpc++/security/server_credentials.h
index e933825ec3..5a9f8a42e2 100644
--- a/include/grpc++/security/server_credentials.h
+++ b/include/grpc++/security/server_credentials.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_SERVER_CREDENTIALS_H
-#define GRPCXX_SERVER_CREDENTIALS_H
+#ifndef GRPCXX_SECURITY_SERVER_CREDENTIALS_H
+#define GRPCXX_SECURITY_SERVER_CREDENTIALS_H
 
 #include <memory>
 #include <vector>
@@ -89,4 +89,4 @@ std::shared_ptr<ServerCredentials> InsecureServerCredentials();
 
 }  // namespace grpc
 
-#endif  // GRPCXX_SERVER_CREDENTIALS_H
+#endif  // GRPCXX_SECURITY_SERVER_CREDENTIALS_H
diff --git a/include/grpc++/server.h b/include/grpc++/server.h
index 2a71073a7e..729a5143bf 100644
--- a/include/grpc++/server.h
+++ b/include/grpc++/server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@ class ThreadPoolInterface;
 /// Models a gRPC server.
 ///
 /// Servers are configured and started via \a grpc::ServerBuilder.
-class Server GRPC_FINAL : public ServerInterface, private GrpcLibrary {
+class Server GRPC_FINAL : public ServerInterface, private GrpcLibraryCodegen {
  public:
   ~Server();
 
@@ -79,6 +79,8 @@ class Server GRPC_FINAL : public ServerInterface, private GrpcLibrary {
   class GlobalCallbacks {
    public:
     virtual ~GlobalCallbacks() {}
+    /// Called before server is created.
+    virtual void UpdateArguments(ChannelArguments* args) {}
     /// Called before application callback for each synchronous server request
     virtual void PreSynchronousRequest(ServerContext* context) = 0;
     /// Called after application callback for each synchronous server request
@@ -108,7 +110,7 @@ class Server GRPC_FINAL : public ServerInterface, private GrpcLibrary {
   /// \param max_message_size Maximum message length that the channel can
   /// receive.
   Server(ThreadPoolInterface* thread_pool, bool thread_pool_owned,
-         int max_message_size, const ChannelArguments& args);
+         int max_message_size, ChannelArguments* args);
 
   /// Register a service. This call does not take ownership of the service.
   /// The service must exist for the lifetime of the Server instance.
@@ -177,7 +179,7 @@ class Server GRPC_FINAL : public ServerInterface, private GrpcLibrary {
   bool has_generic_service_;
 
   // Pointer to the c grpc server.
-  grpc_server* const server_;
+  grpc_server* server_;
 
   ThreadPoolInterface* thread_pool_;
   // Whether the thread pool is created and owned by the server.
diff --git a/include/grpc++/server_builder.h b/include/grpc++/server_builder.h
index 73bcfb6038..86c7fecef5 100644
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/server_context.h b/include/grpc++/server_context.h
index 214188a03a..0d68c7859c 100644
--- a/include/grpc++/server_context.h
+++ b/include/grpc++/server_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/async_stream.h b/include/grpc++/support/async_stream.h
index 88147ea9d6..106fd6cda2 100644
--- a/include/grpc++/support/async_stream.h
+++ b/include/grpc++/support/async_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/async_unary_call.h b/include/grpc++/support/async_unary_call.h
index 6d74328be5..e1bd6db689 100644
--- a/include/grpc++/support/async_unary_call.h
+++ b/include/grpc++/support/async_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/byte_buffer.h b/include/grpc++/support/byte_buffer.h
index 82591a88ef..f6eb09638f 100644
--- a/include/grpc++/support/byte_buffer.h
+++ b/include/grpc++/support/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,13 +34,13 @@
 #ifndef GRPCXX_SUPPORT_BYTE_BUFFER_H
 #define GRPCXX_SUPPORT_BYTE_BUFFER_H
 
-#include <grpc/grpc.h>
-#include <grpc/byte_buffer.h>
-#include <grpc/support/log.h>
 #include <grpc++/impl/serialization_traits.h>
 #include <grpc++/support/config.h>
 #include <grpc++/support/slice.h>
 #include <grpc++/support/status.h>
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 
 #include <vector>
 
@@ -99,8 +99,8 @@ class SerializationTraits<ByteBuffer, void> {
   }
   static Status Serialize(const ByteBuffer& source, grpc_byte_buffer** buffer,
                           bool* own_buffer) {
-    *buffer = source.buffer();
-    *own_buffer = false;
+    *buffer = grpc_byte_buffer_copy(source.buffer());
+    *own_buffer = true;
     return Status::OK;
   }
 };
diff --git a/include/grpc++/support/channel_arguments.h b/include/grpc++/support/channel_arguments.h
index a9ede35f90..ae243939e9 100644
--- a/include/grpc++/support/channel_arguments.h
+++ b/include/grpc++/support/channel_arguments.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,12 +34,12 @@
 #ifndef GRPCXX_SUPPORT_CHANNEL_ARGUMENTS_H
 #define GRPCXX_SUPPORT_CHANNEL_ARGUMENTS_H
 
-#include <vector>
 #include <list>
+#include <vector>
 
+#include <grpc++/support/config.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
-#include <grpc++/support/config.h>
 
 namespace grpc {
 namespace testing {
diff --git a/include/grpc++/support/config.h b/include/grpc++/support/config.h
index be8c89c462..10c65d97d1 100644
--- a/include/grpc++/support/config.h
+++ b/include/grpc++/support/config.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/config_protobuf.h b/include/grpc++/support/config_protobuf.h
index 0b466e8e44..3e7f169652 100644
--- a/include/grpc++/support/config_protobuf.h
+++ b/include/grpc++/support/config_protobuf.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/slice.h b/include/grpc++/support/slice.h
index 724691a033..cec9062d4f 100644
--- a/include/grpc++/support/slice.h
+++ b/include/grpc++/support/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPCXX_SUPPORT_SLICE_H
 #define GRPCXX_SUPPORT_SLICE_H
 
-#include <grpc/support/slice.h>
 #include <grpc++/support/config.h>
+#include <grpc/support/slice.h>
 
 namespace grpc {
 
diff --git a/include/grpc++/support/status.h b/include/grpc++/support/status.h
index a33fbedf12..bdb25b0724 100644
--- a/include/grpc++/support/status.h
+++ b/include/grpc++/support/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/status_code_enum.h b/include/grpc++/support/status_code_enum.h
index 21b9c40d7e..690a509c09 100644
--- a/include/grpc++/support/status_code_enum.h
+++ b/include/grpc++/support/status_code_enum.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/string_ref.h b/include/grpc++/support/string_ref.h
index 195e5c80c5..1f95e47fd3 100644
--- a/include/grpc++/support/string_ref.h
+++ b/include/grpc++/support/string_ref.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/stub_options.h b/include/grpc++/support/stub_options.h
index f8f4c87181..17a13c357e 100644
--- a/include/grpc++/support/stub_options.h
+++ b/include/grpc++/support/stub_options.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/sync_stream.h b/include/grpc++/support/sync_stream.h
index 2ea2ac5443..be742ef561 100644
--- a/include/grpc++/support/sync_stream.h
+++ b/include/grpc++/support/sync_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/time.h b/include/grpc++/support/time.h
index f0b758f254..1b6fb463c4 100644
--- a/include/grpc++/support/time.h
+++ b/include/grpc++/support/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/byte_buffer.h b/include/grpc/byte_buffer.h
index fa1fd24df9..c3a394371d 100644
--- a/include/grpc/byte_buffer.h
+++ b/include/grpc/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/byte_buffer_reader.h b/include/grpc/byte_buffer_reader.h
index b0e63a6da2..9a1c6178ab 100644
--- a/include/grpc/byte_buffer_reader.h
+++ b/include/grpc/byte_buffer_reader.h
@@ -34,8 +34,8 @@
 #ifndef GRPC_BYTE_BUFFER_READER_H
 #define GRPC_BYTE_BUFFER_READER_H
 
-#include <grpc/grpc.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/grpc/census.h b/include/grpc/census.h
index dfa3bd7e0d..39d87ba119 100644
--- a/include/grpc/census.h
+++ b/include/grpc/census.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,8 @@
  * they can (ultimately) be used in many different RPC systems (with differing
  * implementations). */
 
-#ifndef CENSUS_CENSUS_H
-#define CENSUS_CENSUS_H
+#ifndef GRPC_CENSUS_H
+#define GRPC_CENSUS_H
 
 #include <grpc/grpc.h>
 
@@ -80,18 +80,18 @@ CENSUSAPI int census_enabled(void);
   metrics will be recorded. Keys are unique within a context. */
 typedef struct census_context census_context;
 
-/* A tag is a key:value pair. The key is a non-empty, printable (UTF-8
-   encoded), nil-terminated string. The value is a binary string, that may be
-   printable. There are limits on the sizes of both keys and values (see
-   CENSUS_MAX_TAG_KB_LEN definition below), and the number of tags that can be
-   propagated (CENSUS_MAX_PROPAGATED_TAGS). Users should also remember that
-   some systems may have limits on, e.g., the number of bytes that can be
-   transmitted as metadata, and that larger tags means more memory consumed
-   and time in processing. */
+/* A tag is a key:value pair. Both keys and values are nil-terminated strings,
+   containing printable ASCII characters (decimal 32-126). Keys must be at
+   least one character in length. Both keys and values can have at most
+   CENSUS_MAX_TAG_KB_LEN characters (including the terminating nil). The
+   maximum number of tags that can be propagated is
+   CENSUS_MAX_PROPAGATED_TAGS. Users should also remember that some systems
+   may have limits on, e.g., the number of bytes that can be transmitted as
+   metadata, and that larger tags means more memory consumed and time in
+   processing. */
 typedef struct {
   const char *key;
   const char *value;
-  size_t value_len;
   uint8_t flags;
 } census_tag;
 
@@ -103,28 +103,25 @@ typedef struct {
 /* Tag flags. */
 #define CENSUS_TAG_PROPAGATE 1 /* Tag should be propagated over RPC */
 #define CENSUS_TAG_STATS 2     /* Tag will be used for statistics aggregation */
-#define CENSUS_TAG_BINARY 4    /* Tag value is not printable */
-#define CENSUS_TAG_RESERVED 8  /* Reserved for internal use. */
-/* Flag values 8,16,32,64,128 are reserved for future/internal use. Clients
+#define CENSUS_TAG_RESERVED 4  /* Reserved for internal use. */
+/* Flag values 4,8,16,32,64,128 are reserved for future/internal use. Clients
    should not use or rely on their values. */
 
 #define CENSUS_TAG_IS_PROPAGATED(flags) (flags & CENSUS_TAG_PROPAGATE)
 #define CENSUS_TAG_IS_STATS(flags) (flags & CENSUS_TAG_STATS)
-#define CENSUS_TAG_IS_BINARY(flags) (flags & CENSUS_TAG_BINARY)
 
 /* An instance of this structure is kept by every context, and records the
    basic information associated with the creation of that context. */
 typedef struct {
-  int n_propagated_tags;        /* number of propagated printable tags */
-  int n_propagated_binary_tags; /* number of propagated binary tags */
-  int n_local_tags;             /* number of non-propagated (local) tags */
-  int n_deleted_tags;           /* number of tags that were deleted */
-  int n_added_tags;             /* number of tags that were added */
-  int n_modified_tags;          /* number of tags that were modified */
-  int n_invalid_tags;           /* number of tags with bad keys or values (e.g.
-                                   longer than CENSUS_MAX_TAG_KV_LEN) */
-  int n_ignored_tags;           /* number of tags ignored because of
-                                   CENSUS_MAX_PROPAGATED_TAGS limit. */
+  int n_propagated_tags; /* number of propagated tags */
+  int n_local_tags;      /* number of non-propagated (local) tags */
+  int n_deleted_tags;    /* number of tags that were deleted */
+  int n_added_tags;      /* number of tags that were added */
+  int n_modified_tags;   /* number of tags that were modified */
+  int n_invalid_tags;    /* number of tags with bad keys or values (e.g.
+                            longer than CENSUS_MAX_TAG_KV_LEN) */
+  int n_ignored_tags;    /* number of tags ignored because of
+                            CENSUS_MAX_PROPAGATED_TAGS limit. */
 } census_context_status;
 
 /* Create a new context, adding and removing tags from an existing context.
@@ -132,10 +129,10 @@ typedef struct {
    to add as many tags in a single operation as is practical for the client.
    @param base Base context to build upon. Can be NULL.
    @param tags A set of tags to be added/changed/deleted. Tags with keys that
-   are in 'tags', but not 'base', are added to the tag set. Keys that are in
+   are in 'tags', but not 'base', are added to the context. Keys that are in
    both 'tags' and 'base' will have their value/flags modified. Tags with keys
-   in both, but with NULL or zero-length values, will be deleted from the tag
-   set. Tags with invalid (too long or short) keys or values will be ignored.
+   in both, but with NULL values, will be deleted from the context. Tags with
+   invalid (too long or short) keys or values will be ignored.
    If adding a tag will result in more than CENSUS_MAX_PROPAGATED_TAGS in either
    binary or non-binary tags, they will be ignored, as will deletions of
    tags that don't exist.
@@ -185,32 +182,19 @@ CENSUSAPI int census_context_get_tag(const census_context *context,
    for use by RPC systems only, for purposes of transmitting/receiving contexts.
    */
 
-/* Encode a context into a buffer. The propagated tags are encoded into the
-   buffer in two regions: one for printable tags, and one for binary tags.
+/* Encode a context into a buffer.
    @param context context to be encoded
-   @param buffer pointer to buffer. This address will be used to encode the
-                 printable tags.
+   @param buffer buffer into which the context will be encoded.
    @param buf_size number of available bytes in buffer.
-   @param print_buf_size Will be set to the number of bytes consumed by
-                         printable tags.
-   @param bin_buf_size Will be set to the number of bytes used to encode the
-                       binary tags.
-   @return A pointer to the binary tag's encoded, or NULL if the buffer was
-           insufficiently large to hold the encoded tags. Thus, if successful,
-           printable tags are encoded into
-           [buffer, buffer + *print_buf_size) and binary tags into
-           [returned-ptr, returned-ptr + *bin_buf_size) (and the returned
-           pointer should be buffer + *print_buf_size) */
-CENSUSAPI char *census_context_encode(const census_context *context,
-                                      char *buffer, size_t buf_size,
-                                      size_t *print_buf_size,
-                                      size_t *bin_buf_size);
-
-/* Decode context buffers encoded with census_context_encode(). Returns NULL
+   @return The number of buffer bytes consumed for the encoded context, or
+           zero if the buffer was of insufficient size. */
+CENSUSAPI size_t census_context_encode(const census_context *context,
+                                       char *buffer, size_t buf_size);
+
+/* Decode context buffer encoded with census_context_encode(). Returns NULL
    if there is an error in parsing either buffer. */
-CENSUSAPI census_context *census_context_decode(const char *buffer, size_t size,
-                                                const char *bin_buffer,
-                                                size_t bin_size);
+CENSUSAPI census_context *census_context_decode(const char *buffer,
+                                                size_t size);
 
 /* Distributed traces can have a number of options. */
 enum census_trace_mask_values {
@@ -553,4 +537,4 @@ CENSUSAPI void census_view_reset(census_view *view);
 }
 #endif
 
-#endif /* CENSUS_CENSUS_H */
+#endif /* GRPC_CENSUS_H */
diff --git a/include/grpc/compression.h b/include/grpc/compression.h
index acc168a6ee..8de4b133d4 100644
--- a/include/grpc/compression.h
+++ b/include/grpc/compression.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 
 #include <stdlib.h>
 
-#include <grpc/impl/codegen/port_platform.h>
 #include <grpc/impl/codegen/compression_types.h>
+#include <grpc/impl/codegen/port_platform.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -55,11 +55,12 @@ GRPCAPI int grpc_compression_algorithm_parse(
 GRPCAPI int grpc_compression_algorithm_name(
     grpc_compression_algorithm algorithm, char **name);
 
-/** Returns the compression algorithm corresponding to \a level.
+/** Returns the compression algorithm corresponding to \a level for the
+ * compression algorithms encoded in the \a accepted_encodings bitset.
  *
  * It abort()s for unknown levels . */
-GRPCAPI grpc_compression_algorithm
-grpc_compression_algorithm_for_level(grpc_compression_level level);
+GRPCAPI grpc_compression_algorithm grpc_compression_algorithm_for_level(
+    grpc_compression_level level, uint32_t accepted_encodings);
 
 GRPCAPI void grpc_compression_options_init(grpc_compression_options *opts);
 
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 5113645daf..5c868aece3 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,13 +36,13 @@
 
 #include <grpc/status.h>
 
-#include <stddef.h>
 #include <grpc/byte_buffer.h>
-#include <grpc/support/slice.h>
-#include <grpc/support/time.h>
 #include <grpc/impl/codegen/connectivity_state.h>
-#include <grpc/impl/codegen/propagation_bits.h>
 #include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/impl/codegen/propagation_bits.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/time.h>
+#include <stddef.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -154,9 +154,8 @@ GRPCAPI void grpc_alarm_cancel(grpc_alarm *alarm);
 GRPCAPI void grpc_alarm_destroy(grpc_alarm *alarm);
 
 /** Check the connectivity state of a channel. */
-GRPCAPI grpc_connectivity_state
-grpc_channel_check_connectivity_state(grpc_channel *channel,
-                                      int try_to_connect);
+GRPCAPI grpc_connectivity_state grpc_channel_check_connectivity_state(
+    grpc_channel *channel, int try_to_connect);
 
 /** Watch for a change in connectivity state.
     Once the channel connectivity state is different from last_observed_state,
@@ -267,9 +266,10 @@ GRPCAPI grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved);
     and description passed in.
     Importantly, this function does not send status nor description to the
     remote endpoint. */
-GRPCAPI grpc_call_error
-grpc_call_cancel_with_status(grpc_call *call, grpc_status_code status,
-                             const char *description, void *reserved);
+GRPCAPI grpc_call_error grpc_call_cancel_with_status(grpc_call *call,
+                                                     grpc_status_code status,
+                                                     const char *description,
+                                                     void *reserved);
 
 /** Destroy a call.
     THREAD SAFETY: grpc_call_destroy is thread-compatible */
@@ -283,13 +283,19 @@ GRPCAPI void grpc_call_destroy(grpc_call *call);
     to \a cq_bound_to_call.
     Note that \a cq_for_notification must have been registered to the server via
     \a grpc_server_register_completion_queue. */
-GRPCAPI grpc_call_error
-grpc_server_request_call(grpc_server *server, grpc_call **call,
-                         grpc_call_details *details,
-                         grpc_metadata_array *request_metadata,
-                         grpc_completion_queue *cq_bound_to_call,
-                         grpc_completion_queue *cq_for_notification,
-                         void *tag_new);
+GRPCAPI grpc_call_error grpc_server_request_call(
+    grpc_server *server, grpc_call **call, grpc_call_details *details,
+    grpc_metadata_array *request_metadata,
+    grpc_completion_queue *cq_bound_to_call,
+    grpc_completion_queue *cq_for_notification, void *tag_new);
+
+/** How to handle payloads for a registered method */
+typedef enum {
+  /** Don't try to read the payload */
+  GRPC_SRM_PAYLOAD_NONE,
+  /** Read the initial payload as a byte buffer */
+  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER
+} grpc_server_register_method_payload_handling;
 
 /** Registers a method in the server.
     Methods to this (host, method) pair will not be reported by
@@ -298,8 +304,10 @@ grpc_server_request_call(grpc_server *server, grpc_call **call,
     registered_method (as returned by this function).
     Must be called before grpc_server_start.
     Returns NULL on failure. */
-GRPCAPI void *grpc_server_register_method(grpc_server *server,
-                                          const char *method, const char *host);
+GRPCAPI void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags);
 
 /** Request notification of a new pre-registered call. 'cq_for_notification'
     must have been registered to the server via
diff --git a/include/grpc/grpc_security.h b/include/grpc/grpc_security.h
index ef7205ded8..a36926b23e 100644
--- a/include/grpc/grpc_security.h
+++ b/include/grpc/grpc_security.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,6 +48,7 @@ extern "C" {
 
 #define GRPC_X509_CN_PROPERTY_NAME "x509_common_name"
 #define GRPC_X509_SAN_PROPERTY_NAME "x509_subject_alternative_name"
+#define GRPC_X509_PEM_CERT_PROPERTY_NAME "x509_pem_cert"
 
 typedef struct grpc_auth_context grpc_auth_context;
 
@@ -79,9 +80,8 @@ grpc_auth_context_peer_identity(const grpc_auth_context *ctx);
 
 /* Finds a property in the context. May return an empty iterator (first _next
    will return NULL) if no property with this name was found in the context. */
-GRPCAPI grpc_auth_property_iterator
-grpc_auth_context_find_properties_by_name(const grpc_auth_context *ctx,
-                                          const char *name);
+GRPCAPI grpc_auth_property_iterator grpc_auth_context_find_properties_by_name(
+    const grpc_auth_context *ctx, const char *name);
 
 /* Gets the name of the property that indicates the peer identity. Will return
    NULL if the peer is not authenticated. */
@@ -362,8 +362,8 @@ GRPCAPI int grpc_server_add_secure_http2_port(grpc_server *server,
 
 /* Sets a credentials to a call. Can only be called on the client side before
    grpc_call_start_batch. */
-GRPCAPI grpc_call_error
-grpc_call_set_credentials(grpc_call *call, grpc_call_credentials *creds);
+GRPCAPI grpc_call_error grpc_call_set_credentials(grpc_call *call,
+                                                  grpc_call_credentials *creds);
 
 /* --- Auth Metadata Processing --- */
 
diff --git a/include/grpc/grpc_zookeeper.h b/include/grpc/grpc_zookeeper.h
index b23bd88b43..2b195c18bf 100644
--- a/include/grpc/grpc_zookeeper.h
+++ b/include/grpc/grpc_zookeeper.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/alloc.h b/include/grpc/impl/codegen/alloc.h
index 2351354433..683c755f2c 100644
--- a/include/grpc/impl/codegen/alloc.h
+++ b/include/grpc/impl/codegen/alloc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm.h b/include/grpc/impl/codegen/atm.h
index 35b97506ac..5376026dde 100644
--- a/include/grpc/impl/codegen/atm.h
+++ b/include/grpc/impl/codegen/atm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_atomic.h b/include/grpc/impl/codegen/atm_gcc_atomic.h
index 196d2aeeb3..8caf7edbde 100644
--- a/include/grpc/impl/codegen/atm_gcc_atomic.h
+++ b/include/grpc/impl/codegen/atm_gcc_atomic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_sync.h b/include/grpc/impl/codegen/atm_gcc_sync.h
index 56f755949d..915b09fb0c 100644
--- a/include/grpc/impl/codegen/atm_gcc_sync.h
+++ b/include/grpc/impl/codegen/atm_gcc_sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_win32.h b/include/grpc/impl/codegen/atm_win32.h
index 9d26462d84..7c1ccaf8e2 100644
--- a/include/grpc/impl/codegen/atm_win32.h
+++ b/include/grpc/impl/codegen/atm_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/byte_buffer.h b/include/grpc/impl/codegen/byte_buffer.h
index 9e96d4bdae..3ae8ac50ba 100644
--- a/include/grpc/impl/codegen/byte_buffer.h
+++ b/include/grpc/impl/codegen/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index b11f6ffec4..4c7373006b 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -142,6 +142,8 @@ typedef struct {
 /** Secondary user agent: goes at the end of the user-agent metadata
     sent on each request */
 #define GRPC_ARG_SECONDARY_USER_AGENT_STRING "grpc.secondary_user_agent"
+/** The maximum time between subsequent connection attempts, in ms */
+#define GRPC_ARG_MAX_RECONNECT_BACKOFF_MS "grpc.max_reconnect_backoff_ms"
 /* The caller of the secure_channel_create functions may override the target
    name used for SSL host name checking using this channel argument which is of
    type GRPC_ARG_STRING. This *should* be used for testing only.
@@ -185,7 +187,9 @@ typedef enum grpc_call_error {
       server */
   GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE,
   /** this batch of operations leads to more operations than allowed */
-  GRPC_CALL_ERROR_BATCH_TOO_BIG
+  GRPC_CALL_ERROR_BATCH_TOO_BIG,
+  /** payload type requested is not the type registered */
+  GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH
 } grpc_call_error;
 
 /* Write Flags: */
@@ -199,6 +203,16 @@ typedef enum grpc_call_error {
 /** Mask of all valid flags. */
 #define GRPC_WRITE_USED_MASK (GRPC_WRITE_BUFFER_HINT | GRPC_WRITE_NO_COMPRESS)
 
+/* Initial metadata flags */
+/** Signal that the call is idempotent */
+#define GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST (0x00000010u)
+/** Signal that the call should not return UNAVAILABLE before it has started */
+#define GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY (0x00000020u)
+/** Mask of all valid flags */
+#define GRPC_INITIAL_METADATA_USED_MASK       \
+  (GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST | \
+   GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY)
+
 /** A single metadata element */
 typedef struct grpc_metadata {
   const char *key;
@@ -250,6 +264,7 @@ typedef struct {
   char *host;
   size_t host_capacity;
   gpr_timespec deadline;
+  uint32_t flags;
   void *reserved;
 } grpc_call_details;
 
diff --git a/include/grpc/impl/codegen/log.h b/include/grpc/impl/codegen/log.h
index d6e18e9ca5..0853350a26 100644
--- a/include/grpc/impl/codegen/log.h
+++ b/include/grpc/impl/codegen/log.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPC_IMPL_CODEGEN_LOG_H
 #define GRPC_IMPL_CODEGEN_LOG_H
 
-#include <stdlib.h> /* for abort() */
 #include <stdarg.h>
+#include <stdlib.h> /* for abort() */
 
 #include <grpc/impl/codegen/port_platform.h>
 
diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index 92569043fc..3242f07599 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -133,6 +133,9 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_MSG_NOSIGNAL 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
 #elif defined(__linux__)
 #define GPR_POSIX_CRASH_HANDLER 1
 #define GPR_PLATFORM_STRING "linux"
@@ -154,6 +157,9 @@
 #define GPR_POSIX_WAKEUP_FD 1
 #define GPR_POSIX_SOCKET 1
 #define GPR_POSIX_SOCKETADDR 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
 #ifdef __GLIBC_PREREQ
 #if __GLIBC_PREREQ(2, 9)
 #define GPR_LINUX_EVENTFD 1
@@ -214,6 +220,8 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
 #ifdef _LP64
 #define GPR_ARCH_64 1
 #else /* _LP64 */
@@ -242,13 +250,49 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
+#ifdef _LP64
+#define GPR_ARCH_64 1
+#else /* _LP64 */
+#define GPR_ARCH_32 1
+#endif /* _LP64 */
+#elif defined(__native_client__)
+#define GPR_PLATFORM_STRING "nacl"
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#define GPR_CPU_POSIX 1
+#define GPR_GCC_ATOMIC 1
+#define GPR_GCC_TLS 1
+#define GPR_POSIX_LOG 1
+#define GPR_POSIX_MULTIPOLL_WITH_POLL 1
+#define GPR_POSIX_WAKEUP_FD 1
+#define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
+#define GPR_POSIX_SOCKET 1
+#define GPR_POSIX_SOCKETADDR 1
+#define GPR_POSIX_SOCKETUTILS 1
+#define GPR_POSIX_ENV 1
+#define GPR_POSIX_FILE 1
+#define GPR_POSIX_STRING 1
+#define GPR_POSIX_SUBPROCESS 1
+#define GPR_POSIX_SYNC 1
+#define GPR_POSIX_TIME 1
+#define GPR_GETPID_IN_UNISTD_H 1
 #ifdef _LP64
 #define GPR_ARCH_64 1
 #else /* _LP64 */
 #define GPR_ARCH_32 1
 #endif /* _LP64 */
 #else
-#error Could not auto-detect platform
+#error "Could not auto-detect platform"
 #endif
 #endif /* GPR_NO_AUTODETECT_PLATFORM */
 
diff --git a/include/grpc/impl/codegen/propagation_bits.h b/include/grpc/impl/codegen/propagation_bits.h
index cdd699710c..4b64558764 100644
--- a/include/grpc/impl/codegen/propagation_bits.h
+++ b/include/grpc/impl/codegen/propagation_bits.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_H
-#define GRPC_IMPL_CODEGEN_H
+#ifndef GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
+#define GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
 
 #include <grpc/impl/codegen/port_platform.h>
 
@@ -64,4 +64,4 @@ extern "C" {
 }
 #endif
 
-#endif /* GRPC_IMPL_CODEGEN_H */
+#endif /* GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H */
diff --git a/include/grpc/impl/codegen/slice.h b/include/grpc/impl/codegen/slice.h
index a62fdd087b..c684b7587d 100644
--- a/include/grpc/impl/codegen/slice.h
+++ b/include/grpc/impl/codegen/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -122,8 +122,8 @@ GPRAPI gpr_slice gpr_slice_new(void *p, size_t len, void (*destroy)(void *));
 
 /* Equivalent to gpr_slice_new, but with a two argument destroy function that
    also takes the slice length. */
-GPRAPI gpr_slice
-gpr_slice_new_with_len(void *p, size_t len, void (*destroy)(void *, size_t));
+GPRAPI gpr_slice gpr_slice_new_with_len(void *p, size_t len,
+                                        void (*destroy)(void *, size_t));
 
 /* Equivalent to gpr_slice_new(malloc(len), len, free), but saves one malloc()
    call.
diff --git a/include/grpc/impl/codegen/slice_buffer.h b/include/grpc/impl/codegen/slice_buffer.h
index 4fe909ee82..8ca51baa47 100644
--- a/include/grpc/impl/codegen/slice_buffer.h
+++ b/include/grpc/impl/codegen/slice_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -73,8 +73,8 @@ GPRAPI void gpr_slice_buffer_add(gpr_slice_buffer *sb, gpr_slice slice);
    slice at the returned index in sb->slices)
    The implementation MAY decide to concatenate data at the end of a small
    slice added in this fashion. */
-GPRAPI size_t
-gpr_slice_buffer_add_indexed(gpr_slice_buffer *sb, gpr_slice slice);
+GPRAPI size_t gpr_slice_buffer_add_indexed(gpr_slice_buffer *sb,
+                                           gpr_slice slice);
 GPRAPI void gpr_slice_buffer_addn(gpr_slice_buffer *sb, gpr_slice *slices,
                                   size_t n);
 /* add a very small (less than 8 bytes) amount of data to the end of a slice
diff --git a/include/grpc/impl/codegen/status.h b/include/grpc/impl/codegen/status.h
index 814bb4c92c..29e4570f7c 100644
--- a/include/grpc/impl/codegen/status.h
+++ b/include/grpc/impl/codegen/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync.h b/include/grpc/impl/codegen/sync.h
index d2f19d37d6..6fd7d64b29 100644
--- a/include/grpc/impl/codegen/sync.h
+++ b/include/grpc/impl/codegen/sync.h
@@ -182,6 +182,10 @@ GPRAPI void gpr_ref_init(gpr_refcount *r, int n);
 /* Increment the reference count *r.  Requires *r initialized. */
 GPRAPI void gpr_ref(gpr_refcount *r);
 
+/* Increment the reference count *r.  Requires *r initialized.
+   Crashes if refcount is zero */
+GPRAPI void gpr_ref_non_zero(gpr_refcount *r);
+
 /* Increment the reference count *r by n.  Requires *r initialized, n > 0. */
 GPRAPI void gpr_refn(gpr_refcount *r, int n);
 
diff --git a/include/grpc/impl/codegen/sync_generic.h b/include/grpc/impl/codegen/sync_generic.h
index 71443b5794..75e85ae736 100644
--- a/include/grpc/impl/codegen/sync_generic.h
+++ b/include/grpc/impl/codegen/sync_generic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_posix.h b/include/grpc/impl/codegen/sync_posix.h
index f6e0a91816..3d08cc35e8 100644
--- a/include/grpc/impl/codegen/sync_posix.h
+++ b/include/grpc/impl/codegen/sync_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_win32.h b/include/grpc/impl/codegen/sync_win32.h
index 1a6596c571..bdc43dd99a 100644
--- a/include/grpc/impl/codegen/sync_win32.h
+++ b/include/grpc/impl/codegen/sync_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/time.h b/include/grpc/impl/codegen/time.h
index c22bedfe77..381e267259 100644
--- a/include/grpc/impl/codegen/time.h
+++ b/include/grpc/impl/codegen/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,8 +88,8 @@ GPRAPI void gpr_time_init(void);
 GPRAPI gpr_timespec gpr_now(gpr_clock_type clock);
 
 /* Convert a timespec from one clock to another */
-GPRAPI gpr_timespec
-gpr_convert_clock_type(gpr_timespec t, gpr_clock_type target_clock);
+GPRAPI gpr_timespec gpr_convert_clock_type(gpr_timespec t,
+                                           gpr_clock_type target_clock);
 
 /* Return -ve, 0, or +ve according to whether a < b, a == b, or a > b
    respectively.  */
diff --git a/include/grpc/status.h b/include/grpc/status.h
index 3889a16486..67719b5e2e 100644
--- a/include/grpc/status.h
+++ b/include/grpc/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/alloc.h b/include/grpc/support/alloc.h
index 649cb2ba7a..8d03af8424 100644
--- a/include/grpc/support/alloc.h
+++ b/include/grpc/support/alloc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm.h b/include/grpc/support/atm.h
index 37975db8f4..a52e2fb4ef 100644
--- a/include/grpc/support/atm.h
+++ b/include/grpc/support/atm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm_gcc_atomic.h b/include/grpc/support/atm_gcc_atomic.h
index 7e1f7fd55a..ceda791dfc 100644
--- a/include/grpc/support/atm_gcc_atomic.h
+++ b/include/grpc/support/atm_gcc_atomic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H
-#define GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H
+#ifndef GRPC_SUPPORT_ATM_GCC_ATOMIC_H
+#define GRPC_SUPPORT_ATM_GCC_ATOMIC_H
 
 #include <grpc/impl/codegen/atm_gcc_atomic.h>
 
-#endif /* GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H */
+#endif /* GRPC_SUPPORT_ATM_GCC_ATOMIC_H */
diff --git a/include/grpc/support/atm_gcc_sync.h b/include/grpc/support/atm_gcc_sync.h
index 4a61dbd4a5..b996d4a737 100644
--- a/include/grpc/support/atm_gcc_sync.h
+++ b/include/grpc/support/atm_gcc_sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm_win32.h b/include/grpc/support/atm_win32.h
index ebb6a674a2..13526d9f3e 100644
--- a/include/grpc/support/atm_win32.h
+++ b/include/grpc/support/atm_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/avl.h b/include/grpc/support/avl.h
index 2fe2d0b9d0..d71592dcbc 100644
--- a/include/grpc/support/avl.h
+++ b/include/grpc/support/avl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/cmdline.h b/include/grpc/support/cmdline.h
index 55e2ffdffe..5b7bc82594 100644
--- a/include/grpc/support/cmdline.h
+++ b/include/grpc/support/cmdline.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/cpu.h b/include/grpc/support/cpu.h
index 3ca83b5a0d..6734feb391 100644
--- a/include/grpc/support/cpu.h
+++ b/include/grpc/support/cpu.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/histogram.h b/include/grpc/support/histogram.h
index c34c8c8407..c545038528 100644
--- a/include/grpc/support/histogram.h
+++ b/include/grpc/support/histogram.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/host_port.h b/include/grpc/support/host_port.h
index 53cc917acb..15819543a9 100644
--- a/include/grpc/support/host_port.h
+++ b/include/grpc/support/host_port.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/log.h b/include/grpc/support/log.h
index e6f6dd931c..3fdba04943 100644
--- a/include/grpc/support/log.h
+++ b/include/grpc/support/log.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/log_win32.h b/include/grpc/support/log_win32.h
index 49c9ab0f91..e5c25e06fc 100644
--- a/include/grpc/support/log_win32.h
+++ b/include/grpc/support/log_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/port_platform.h b/include/grpc/support/port_platform.h
index 6b14f8b0b0..7465a0e450 100644
--- a/include/grpc/support/port_platform.h
+++ b/include/grpc/support/port_platform.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/slice.h b/include/grpc/support/slice.h
index b3a73b2c99..b45db03389 100644
--- a/include/grpc/support/slice.h
+++ b/include/grpc/support/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/slice_buffer.h b/include/grpc/support/slice_buffer.h
index 7bee4dde34..cf7a89f8f1 100644
--- a/include/grpc/support/slice_buffer.h
+++ b/include/grpc/support/slice_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/string_util.h b/include/grpc/support/string_util.h
index 6fc38cb191..f981bc0db0 100644
--- a/include/grpc/support/string_util.h
+++ b/include/grpc/support/string_util.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,8 @@
 #ifndef GRPC_SUPPORT_STRING_UTIL_H
 #define GRPC_SUPPORT_STRING_UTIL_H
 
+#include <grpc/support/port_platform.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/grpc/support/subprocess.h b/include/grpc/support/subprocess.h
index 6a4946014b..2baa43ece2 100644
--- a/include/grpc/support/subprocess.h
+++ b/include/grpc/support/subprocess.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,4 +56,4 @@ GPRAPI void gpr_subprocess_interrupt(gpr_subprocess *p);
 }  // extern "C"
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_SUBPROCESS_H */
diff --git a/include/grpc/support/sync.h b/include/grpc/support/sync.h
index 89cc76f784..a0145803c2 100644
--- a/include/grpc/support/sync.h
+++ b/include/grpc/support/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_generic.h b/include/grpc/support/sync_generic.h
index 28e3ab647b..d74b5d8e8b 100644
--- a/include/grpc/support/sync_generic.h
+++ b/include/grpc/support/sync_generic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_posix.h b/include/grpc/support/sync_posix.h
index fa0324fbfa..19aca03f06 100644
--- a/include/grpc/support/sync_posix.h
+++ b/include/grpc/support/sync_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_win32.h b/include/grpc/support/sync_win32.h
index bfbc99e971..5631c52974 100644
--- a/include/grpc/support/sync_win32.h
+++ b/include/grpc/support/sync_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/thd.h b/include/grpc/support/thd.h
index abe57ebefb..0514288793 100644
--- a/include/grpc/support/thd.h
+++ b/include/grpc/support/thd.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/time.h b/include/grpc/support/time.h
index 2c7f8533a2..b3f2f8cd44 100644
--- a/include/grpc/support/time.h
+++ b/include/grpc/support/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/tls.h b/include/grpc/support/tls.h
index 43addc7f14..a45e1f0a4d 100644
--- a/include/grpc/support/tls.h
+++ b/include/grpc/support/tls.h
@@ -74,4 +74,4 @@
 #include <grpc/support/tls_pthread.h>
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_H */
diff --git a/include/grpc/support/tls_gcc.h b/include/grpc/support/tls_gcc.h
index a697ad05b0..a47275f6f4 100644
--- a/include/grpc/support/tls_gcc.h
+++ b/include/grpc/support/tls_gcc.h
@@ -34,9 +34,51 @@
 #ifndef GRPC_SUPPORT_TLS_GCC_H
 #define GRPC_SUPPORT_TLS_GCC_H
 
+#include <stdbool.h>
+
+#include <grpc/support/log.h>
+
 /* Thread local storage based on gcc compiler primitives.
    #include tls.h to use this - and see that file for documentation */
 
+#ifndef NDEBUG
+
+struct gpr_gcc_thread_local {
+  intptr_t value;
+  bool *inited;
+};
+
+#define GPR_TLS_DECL(name)           \
+  static bool name##_inited = false; \
+  static __thread struct gpr_gcc_thread_local name = {0, &(name##_inited)}
+
+#define gpr_tls_init(tls)                  \
+  do {                                     \
+    GPR_ASSERT(*((tls)->inited) == false); \
+    *((tls)->inited) = true;               \
+  } while (0)
+
+/* It is allowed to call gpr_tls_init after gpr_tls_destroy is called. */
+#define gpr_tls_destroy(tls)      \
+  do {                            \
+    GPR_ASSERT(*((tls)->inited)); \
+    *((tls)->inited) = false;     \
+  } while (0)
+
+#define gpr_tls_set(tls, new_value) \
+  do {                              \
+    GPR_ASSERT(*((tls)->inited));   \
+    (tls)->value = (new_value);     \
+  } while (0)
+
+#define gpr_tls_get(tls)          \
+  ({                              \
+    GPR_ASSERT(*((tls)->inited)); \
+    (tls)->value;                 \
+  })
+
+#else /* NDEBUG */
+
 struct gpr_gcc_thread_local {
   intptr_t value;
 };
@@ -53,4 +95,6 @@ struct gpr_gcc_thread_local {
 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value))
 #define gpr_tls_get(tls) ((tls)->value)
 
-#endif
+#endif /* NDEBUG */
+
+#endif /* GRPC_SUPPORT_TLS_GCC_H */
diff --git a/include/grpc/support/tls_msvc.h b/include/grpc/support/tls_msvc.h
index 987a514f03..efc653b4e4 100644
--- a/include/grpc/support/tls_msvc.h
+++ b/include/grpc/support/tls_msvc.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_SUPPORT_TLS_GCC_H
-#define GRPC_SUPPORT_TLS_GCC_H
+#ifndef GRPC_SUPPORT_TLS_MSVC_H
+#define GRPC_SUPPORT_TLS_MSVC_H
 
 /* Thread local storage based on ms visual c compiler primitives.
    #include tls.h to use this - and see that file for documentation */
@@ -53,4 +53,4 @@ struct gpr_msvc_thread_local {
 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value))
 #define gpr_tls_get(tls) ((tls)->value)
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_MSVC_H */
diff --git a/include/grpc/support/tls_pthread.h b/include/grpc/support/tls_pthread.h
index 699ee6b1d3..e681da2ecd 100644
--- a/include/grpc/support/tls_pthread.h
+++ b/include/grpc/support/tls_pthread.h
@@ -57,4 +57,4 @@ intptr_t gpr_tls_set(struct gpr_pthread_thread_local *tls, intptr_t value);
 }
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_PTHREAD_H */
diff --git a/include/grpc/support/useful.h b/include/grpc/support/useful.h
index a0e76da29e..003e096cf9 100644
--- a/include/grpc/support/useful.h
+++ b/include/grpc/support/useful.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/package.json b/package.json
index 0a38182eaa..72731c0245 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
   },
   "bundledDependencies": ["node-pre-gyp"],
   "dependencies": {
+    "arguejs": "^0.2.3",
     "lodash": "^3.9.3",
     "nan": "^2.0.0",
     "protobufjs": "^4.0.0"
@@ -60,853 +61,14 @@
     "src/node/health_check",
     "src/proto",
     "etc",
-    "src/node/ext/byte_buffer.h",
-    "src/node/ext/call.h",
-    "src/node/ext/call_credentials.h",
-    "src/node/ext/channel.h",
-    "src/node/ext/channel_credentials.h",
-    "src/node/ext/completion_queue_async_worker.h",
-    "src/node/ext/server.h",
-    "src/node/ext/server_credentials.h",
-    "src/node/ext/timeval.h",
-    "src/node/ext/byte_buffer.cc",
-    "src/node/ext/call.cc",
-    "src/node/ext/call_credentials.cc",
-    "src/node/ext/channel.cc",
-    "src/node/ext/channel_credentials.cc",
-    "src/node/ext/completion_queue_async_worker.cc",
-    "src/node/ext/node_grpc.cc",
-    "src/node/ext/server.cc",
-    "src/node/ext/server_credentials.cc",
-    "src/node/ext/timeval.cc",
     "src/node/index.js",
-    "src/node/src/client.js",
-    "src/node/src/common.js",
-    "src/node/src/credentials.js",
-    "src/node/src/grpc_extension.js",
-    "src/node/src/metadata.js",
-    "src/node/src/server.js",
-    "include/grpc/grpc_security.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/status.h",
-    "include/grpc/census.h",
-    "src/core/security/auth_filters.h",
-    "src/core/security/base64.h",
-    "src/core/security/credentials.h",
-    "src/core/security/handshake.h",
-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
-    "src/core/security/security_connector.h",
-    "src/core/security/security_context.h",
-    "src/core/tsi/fake_transport_security.h",
-    "src/core/tsi/ssl_transport_security.h",
-    "src/core/tsi/ssl_types.h",
-    "src/core/tsi/transport_security.h",
-    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/timer_internal.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/log.h",
-    "src/core/census/rpc_metric_id.h",
-    "src/core/httpcli/httpcli_security_connector.c",
-    "src/core/security/base64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
-    "src/core/security/server_auth_filter.c",
-    "src/core/security/server_secure_chttp2.c",
-    "src/core/surface/init_secure.c",
-    "src/core/surface/secure_channel_create.c",
-    "src/core/tsi/fake_transport_security.c",
-    "src/core/tsi/ssl_transport_security.c",
-    "src/core/tsi/transport_security.c",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
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-    "third_party/boringssl/crypto/bio/hexdump.c",
-    "third_party/boringssl/crypto/bio/pair.c",
-    "third_party/boringssl/crypto/bio/printf.c",
-    "third_party/boringssl/crypto/bio/socket.c",
-    "third_party/boringssl/crypto/bio/socket_helper.c",
-    "third_party/boringssl/crypto/bn/add.c",
-    "third_party/boringssl/crypto/bn/asm/x86_64-gcc.c",
-    "third_party/boringssl/crypto/bn/bn.c",
-    "third_party/boringssl/crypto/bn/bn_asn1.c",
-    "third_party/boringssl/crypto/bn/cmp.c",
-    "third_party/boringssl/crypto/bn/convert.c",
-    "third_party/boringssl/crypto/bn/ctx.c",
-    "third_party/boringssl/crypto/bn/div.c",
-    "third_party/boringssl/crypto/bn/exponentiation.c",
-    "third_party/boringssl/crypto/bn/gcd.c",
-    "third_party/boringssl/crypto/bn/generic.c",
-    "third_party/boringssl/crypto/bn/kronecker.c",
-    "third_party/boringssl/crypto/bn/montgomery.c",
-    "third_party/boringssl/crypto/bn/mul.c",
-    "third_party/boringssl/crypto/bn/prime.c",
-    "third_party/boringssl/crypto/bn/random.c",
-    "third_party/boringssl/crypto/bn/rsaz_exp.c",
-    "third_party/boringssl/crypto/bn/shift.c",
-    "third_party/boringssl/crypto/bn/sqrt.c",
-    "third_party/boringssl/crypto/buf/buf.c",
-    "third_party/boringssl/crypto/bytestring/ber.c",
-    "third_party/boringssl/crypto/bytestring/cbb.c",
-    "third_party/boringssl/crypto/bytestring/cbs.c",
-    "third_party/boringssl/crypto/chacha/chacha_generic.c",
-    "third_party/boringssl/crypto/chacha/chacha_vec.c",
-    "third_party/boringssl/crypto/cipher/aead.c",
-    "third_party/boringssl/crypto/cipher/cipher.c",
-    "third_party/boringssl/crypto/cipher/derive_key.c",
-    "third_party/boringssl/crypto/cipher/e_aes.c",
-    "third_party/boringssl/crypto/cipher/e_chacha20poly1305.c",
-    "third_party/boringssl/crypto/cipher/e_des.c",
-    "third_party/boringssl/crypto/cipher/e_null.c",
-    "third_party/boringssl/crypto/cipher/e_rc2.c",
-    "third_party/boringssl/crypto/cipher/e_rc4.c",
-    "third_party/boringssl/crypto/cipher/e_ssl3.c",
-    "third_party/boringssl/crypto/cipher/e_tls.c",
-    "third_party/boringssl/crypto/cipher/tls_cbc.c",
-    "third_party/boringssl/crypto/cmac/cmac.c",
-    "third_party/boringssl/crypto/conf/conf.c",
-    "third_party/boringssl/crypto/cpu-arm.c",
-    "third_party/boringssl/crypto/cpu-intel.c",
-    "third_party/boringssl/crypto/crypto.c",
-    "third_party/boringssl/crypto/curve25519/curve25519.c",
-    "third_party/boringssl/crypto/des/des.c",
-    "third_party/boringssl/crypto/dh/check.c",
-    "third_party/boringssl/crypto/dh/dh.c",
-    "third_party/boringssl/crypto/dh/dh_asn1.c",
-    "third_party/boringssl/crypto/dh/params.c",
-    "third_party/boringssl/crypto/digest/digest.c",
-    "third_party/boringssl/crypto/digest/digests.c",
-    "third_party/boringssl/crypto/directory_posix.c",
-    "third_party/boringssl/crypto/directory_win.c",
-    "third_party/boringssl/crypto/dsa/dsa.c",
-    "third_party/boringssl/crypto/dsa/dsa_asn1.c",
-    "third_party/boringssl/crypto/ec/ec.c",
-    "third_party/boringssl/crypto/ec/ec_asn1.c",
-    "third_party/boringssl/crypto/ec/ec_key.c",
-    "third_party/boringssl/crypto/ec/ec_montgomery.c",
-    "third_party/boringssl/crypto/ec/oct.c",
-    "third_party/boringssl/crypto/ec/p224-64.c",
-    "third_party/boringssl/crypto/ec/p256-64.c",
-    "third_party/boringssl/crypto/ec/p256-x86_64.c",
-    "third_party/boringssl/crypto/ec/simple.c",
-    "third_party/boringssl/crypto/ec/util-64.c",
-    "third_party/boringssl/crypto/ec/wnaf.c",
-    "third_party/boringssl/crypto/ecdh/ecdh.c",
-    "third_party/boringssl/crypto/ecdsa/ecdsa.c",
-    "third_party/boringssl/crypto/ecdsa/ecdsa_asn1.c",
-    "third_party/boringssl/crypto/engine/engine.c",
-    "third_party/boringssl/crypto/err/err.c",
-    "third_party/boringssl/crypto/evp/algorithm.c",
-    "third_party/boringssl/crypto/evp/digestsign.c",
-    "third_party/boringssl/crypto/evp/evp.c",
-    "third_party/boringssl/crypto/evp/evp_asn1.c",
-    "third_party/boringssl/crypto/evp/evp_ctx.c",
-    "third_party/boringssl/crypto/evp/p_dsa_asn1.c",
-    "third_party/boringssl/crypto/evp/p_ec.c",
-    "third_party/boringssl/crypto/evp/p_ec_asn1.c",
-    "third_party/boringssl/crypto/evp/p_rsa.c",
-    "third_party/boringssl/crypto/evp/p_rsa_asn1.c",
-    "third_party/boringssl/crypto/evp/pbkdf.c",
-    "third_party/boringssl/crypto/evp/sign.c",
-    "third_party/boringssl/crypto/ex_data.c",
-    "third_party/boringssl/crypto/hkdf/hkdf.c",
-    "third_party/boringssl/crypto/hmac/hmac.c",
-    "third_party/boringssl/crypto/lhash/lhash.c",
-    "third_party/boringssl/crypto/md4/md4.c",
-    "third_party/boringssl/crypto/md5/md5.c",
-    "third_party/boringssl/crypto/mem.c",
-    "third_party/boringssl/crypto/modes/cbc.c",
-    "third_party/boringssl/crypto/modes/cfb.c",
-    "third_party/boringssl/crypto/modes/ctr.c",
-    "third_party/boringssl/crypto/modes/gcm.c",
-    "third_party/boringssl/crypto/modes/ofb.c",
-    "third_party/boringssl/crypto/obj/obj.c",
-    "third_party/boringssl/crypto/obj/obj_xref.c",
-    "third_party/boringssl/crypto/pem/pem_all.c",
-    "third_party/boringssl/crypto/pem/pem_info.c",
-    "third_party/boringssl/crypto/pem/pem_lib.c",
-    "third_party/boringssl/crypto/pem/pem_oth.c",
-    "third_party/boringssl/crypto/pem/pem_pk8.c",
-    "third_party/boringssl/crypto/pem/pem_pkey.c",
-    "third_party/boringssl/crypto/pem/pem_x509.c",
-    "third_party/boringssl/crypto/pem/pem_xaux.c",
-    "third_party/boringssl/crypto/pkcs8/p5_pbe.c",
-    "third_party/boringssl/crypto/pkcs8/p5_pbev2.c",
-    "third_party/boringssl/crypto/pkcs8/p8_pkey.c",
-    "third_party/boringssl/crypto/pkcs8/pkcs8.c",
-    "third_party/boringssl/crypto/poly1305/poly1305.c",
-    "third_party/boringssl/crypto/poly1305/poly1305_arm.c",
-    "third_party/boringssl/crypto/poly1305/poly1305_vec.c",
-    "third_party/boringssl/crypto/rand/rand.c",
-    "third_party/boringssl/crypto/rand/urandom.c",
-    "third_party/boringssl/crypto/rand/windows.c",
-    "third_party/boringssl/crypto/rc4/rc4.c",
-    "third_party/boringssl/crypto/refcount_c11.c",
-    "third_party/boringssl/crypto/refcount_lock.c",
-    "third_party/boringssl/crypto/rsa/blinding.c",
-    "third_party/boringssl/crypto/rsa/padding.c",
-    "third_party/boringssl/crypto/rsa/rsa.c",
-    "third_party/boringssl/crypto/rsa/rsa_asn1.c",
-    "third_party/boringssl/crypto/rsa/rsa_impl.c",
-    "third_party/boringssl/crypto/sha/sha1.c",
-    "third_party/boringssl/crypto/sha/sha256.c",
-    "third_party/boringssl/crypto/sha/sha512.c",
-    "third_party/boringssl/crypto/stack/stack.c",
-    "third_party/boringssl/crypto/thread.c",
-    "third_party/boringssl/crypto/thread_none.c",
-    "third_party/boringssl/crypto/thread_pthread.c",
-    "third_party/boringssl/crypto/thread_win.c",
-    "third_party/boringssl/crypto/time_support.c",
-    "third_party/boringssl/crypto/x509/a_digest.c",
-    "third_party/boringssl/crypto/x509/a_sign.c",
-    "third_party/boringssl/crypto/x509/a_strex.c",
-    "third_party/boringssl/crypto/x509/a_verify.c",
-    "third_party/boringssl/crypto/x509/asn1_gen.c",
-    "third_party/boringssl/crypto/x509/by_dir.c",
-    "third_party/boringssl/crypto/x509/by_file.c",
-    "third_party/boringssl/crypto/x509/i2d_pr.c",
-    "third_party/boringssl/crypto/x509/pkcs7.c",
-    "third_party/boringssl/crypto/x509/t_crl.c",
-    "third_party/boringssl/crypto/x509/t_req.c",
-    "third_party/boringssl/crypto/x509/t_x509.c",
-    "third_party/boringssl/crypto/x509/t_x509a.c",
-    "third_party/boringssl/crypto/x509/x509.c",
-    "third_party/boringssl/crypto/x509/x509_att.c",
-    "third_party/boringssl/crypto/x509/x509_cmp.c",
-    "third_party/boringssl/crypto/x509/x509_d2.c",
-    "third_party/boringssl/crypto/x509/x509_def.c",
-    "third_party/boringssl/crypto/x509/x509_ext.c",
-    "third_party/boringssl/crypto/x509/x509_lu.c",
-    "third_party/boringssl/crypto/x509/x509_obj.c",
-    "third_party/boringssl/crypto/x509/x509_r2x.c",
-    "third_party/boringssl/crypto/x509/x509_req.c",
-    "third_party/boringssl/crypto/x509/x509_set.c",
-    "third_party/boringssl/crypto/x509/x509_trs.c",
-    "third_party/boringssl/crypto/x509/x509_txt.c",
-    "third_party/boringssl/crypto/x509/x509_v3.c",
-    "third_party/boringssl/crypto/x509/x509_vfy.c",
-    "third_party/boringssl/crypto/x509/x509_vpm.c",
-    "third_party/boringssl/crypto/x509/x509cset.c",
-    "third_party/boringssl/crypto/x509/x509name.c",
-    "third_party/boringssl/crypto/x509/x509rset.c",
-    "third_party/boringssl/crypto/x509/x509spki.c",
-    "third_party/boringssl/crypto/x509/x509type.c",
-    "third_party/boringssl/crypto/x509/x_algor.c",
-    "third_party/boringssl/crypto/x509/x_all.c",
-    "third_party/boringssl/crypto/x509/x_attrib.c",
-    "third_party/boringssl/crypto/x509/x_crl.c",
-    "third_party/boringssl/crypto/x509/x_exten.c",
-    "third_party/boringssl/crypto/x509/x_info.c",
-    "third_party/boringssl/crypto/x509/x_name.c",
-    "third_party/boringssl/crypto/x509/x_pkey.c",
-    "third_party/boringssl/crypto/x509/x_pubkey.c",
-    "third_party/boringssl/crypto/x509/x_req.c",
-    "third_party/boringssl/crypto/x509/x_sig.c",
-    "third_party/boringssl/crypto/x509/x_spki.c",
-    "third_party/boringssl/crypto/x509/x_val.c",
-    "third_party/boringssl/crypto/x509/x_x509.c",
-    "third_party/boringssl/crypto/x509/x_x509a.c",
-    "third_party/boringssl/crypto/x509v3/pcy_cache.c",
-    "third_party/boringssl/crypto/x509v3/pcy_data.c",
-    "third_party/boringssl/crypto/x509v3/pcy_lib.c",
-    "third_party/boringssl/crypto/x509v3/pcy_map.c",
-    "third_party/boringssl/crypto/x509v3/pcy_node.c",
-    "third_party/boringssl/crypto/x509v3/pcy_tree.c",
-    "third_party/boringssl/crypto/x509v3/v3_akey.c",
-    "third_party/boringssl/crypto/x509v3/v3_akeya.c",
-    "third_party/boringssl/crypto/x509v3/v3_alt.c",
-    "third_party/boringssl/crypto/x509v3/v3_bcons.c",
-    "third_party/boringssl/crypto/x509v3/v3_bitst.c",
-    "third_party/boringssl/crypto/x509v3/v3_conf.c",
-    "third_party/boringssl/crypto/x509v3/v3_cpols.c",
-    "third_party/boringssl/crypto/x509v3/v3_crld.c",
-    "third_party/boringssl/crypto/x509v3/v3_enum.c",
-    "third_party/boringssl/crypto/x509v3/v3_extku.c",
-    "third_party/boringssl/crypto/x509v3/v3_genn.c",
-    "third_party/boringssl/crypto/x509v3/v3_ia5.c",
-    "third_party/boringssl/crypto/x509v3/v3_info.c",
-    "third_party/boringssl/crypto/x509v3/v3_int.c",
-    "third_party/boringssl/crypto/x509v3/v3_lib.c",
-    "third_party/boringssl/crypto/x509v3/v3_ncons.c",
-    "third_party/boringssl/crypto/x509v3/v3_pci.c",
-    "third_party/boringssl/crypto/x509v3/v3_pcia.c",
-    "third_party/boringssl/crypto/x509v3/v3_pcons.c",
-    "third_party/boringssl/crypto/x509v3/v3_pku.c",
-    "third_party/boringssl/crypto/x509v3/v3_pmaps.c",
-    "third_party/boringssl/crypto/x509v3/v3_prn.c",
-    "third_party/boringssl/crypto/x509v3/v3_purp.c",
-    "third_party/boringssl/crypto/x509v3/v3_skey.c",
-    "third_party/boringssl/crypto/x509v3/v3_sxnet.c",
-    "third_party/boringssl/crypto/x509v3/v3_utl.c",
-    "third_party/boringssl/ssl/custom_extensions.c",
-    "third_party/boringssl/ssl/d1_both.c",
-    "third_party/boringssl/ssl/d1_clnt.c",
-    "third_party/boringssl/ssl/d1_lib.c",
-    "third_party/boringssl/ssl/d1_meth.c",
-    "third_party/boringssl/ssl/d1_pkt.c",
-    "third_party/boringssl/ssl/d1_srtp.c",
-    "third_party/boringssl/ssl/d1_srvr.c",
-    "third_party/boringssl/ssl/dtls_record.c",
-    "third_party/boringssl/ssl/pqueue/pqueue.c",
-    "third_party/boringssl/ssl/s3_both.c",
-    "third_party/boringssl/ssl/s3_clnt.c",
-    "third_party/boringssl/ssl/s3_enc.c",
-    "third_party/boringssl/ssl/s3_lib.c",
-    "third_party/boringssl/ssl/s3_meth.c",
-    "third_party/boringssl/ssl/s3_pkt.c",
-    "third_party/boringssl/ssl/s3_srvr.c",
-    "third_party/boringssl/ssl/ssl_aead_ctx.c",
-    "third_party/boringssl/ssl/ssl_asn1.c",
-    "third_party/boringssl/ssl/ssl_buffer.c",
-    "third_party/boringssl/ssl/ssl_cert.c",
-    "third_party/boringssl/ssl/ssl_cipher.c",
-    "third_party/boringssl/ssl/ssl_file.c",
-    "third_party/boringssl/ssl/ssl_lib.c",
-    "third_party/boringssl/ssl/ssl_rsa.c",
-    "third_party/boringssl/ssl/ssl_session.c",
-    "third_party/boringssl/ssl/ssl_stat.c",
-    "third_party/boringssl/ssl/t1_enc.c",
-    "third_party/boringssl/ssl/t1_lib.c",
-    "third_party/boringssl/ssl/tls_record.c",
+    "src/node/src",
+    "src/node/ext",
+    "include/grpc",
+    "src/core",
+    "third_party/nanopb",
+    "third_party/zlib",
+    "third_party/boringssl",
     "binding.gyp"
   ],
   "main": "src/node/index.js",
diff --git a/package.xml b/package.xml
new file mode 100644
index 0000000000..ced62b63d6
--- /dev/null
+++ b/package.xml
@@ -0,0 +1,1009 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<package packagerversion="1.9.5" version="2.0" xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
+ <name>grpc</name>
+ <channel>pecl.php.net</channel>
+ <summary>A high performance, open source, general RPC framework that puts mobile and HTTP/2 first.</summary>
+ <description>Remote Procedure Calls (RPCs) provide a useful abstraction for building distributed applications and services. The libraries in this repository provide a concrete implementation of the gRPC protocol, layered over HTTP/2. These libraries enable communication between clients and servers using any combination of the supported languages.</description>
+ <lead>
+  <name>Stanley Cheung</name>
+  <user>stanleycheung</user>
+  <email>grpc-packages@google.com</email>
+  <active>yes</active>
+ </lead>
+ <date>2016-03-01</date>
+ <time>16:06:07</time>
+ <version>
+  <release>0.14.0</release>
+  <api>0.14.0</api>
+ </version>
+ <stability>
+  <release>beta</release>
+  <api>beta</api>
+ </stability>
+ <license>BSD</license>
+ <notes>
+- Increase unit test code coverage #5225
+ </notes>
+ <contents>
+  <dir baseinstalldir="/" name="/">
+    <file baseinstalldir="/" name="config.m4" role="src" />
+    <file baseinstalldir="/" name="src/php/README.md" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/CREDITS" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/LICENSE" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/byte_buffer.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/call.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/call_credentials.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/channel.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/channel_credentials.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/completion_queue.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/php_grpc.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/server.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/server_credentials.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/timeval.c" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/byte_buffer.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/call.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/call_credentials.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/channel.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/channel_credentials.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/completion_queue.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/php_grpc.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/server.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/server_credentials.h" role="src" />
+    <file baseinstalldir="/" name="src/php/ext/grpc/timeval.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/alloc.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/atm.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/atm_gcc_atomic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/atm_gcc_sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/atm_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/avl.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/cmdline.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/cpu.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/histogram.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/host_port.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/log.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/log_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/port_platform.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/slice.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/slice_buffer.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/string_util.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/subprocess.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/sync_generic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/sync_posix.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/support/sync_win32.h" role="src" />
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+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_info.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_oth.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_pk8.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_pkey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_x509.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pem/pem_xaux.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pkcs8/p5_pbe.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pkcs8/p5_pbev2.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pkcs8/p8_pkey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/pkcs8/pkcs8.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/poly1305/poly1305.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/poly1305/poly1305_arm.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/poly1305/poly1305_vec.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rand/rand.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rand/urandom.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rand/windows.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rc4/rc4.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/refcount_c11.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/refcount_lock.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rsa/blinding.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rsa/padding.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rsa/rsa.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rsa/rsa_asn1.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/rsa/rsa_impl.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/sha/sha1.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/sha/sha256.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/sha/sha512.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/stack/stack.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/thread.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/thread_none.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/thread_pthread.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/thread_win.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/time_support.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/a_digest.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/a_sign.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/a_strex.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/a_verify.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/asn1_gen.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/by_dir.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/by_file.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/i2d_pr.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/pkcs7.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/t_crl.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/t_req.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/t_x509.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/t_x509a.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_att.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_cmp.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_d2.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_def.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_ext.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_lu.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_obj.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_r2x.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_req.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_set.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_trs.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_txt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_v3.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_vfy.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509_vpm.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509cset.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509name.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509rset.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509spki.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x509type.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_algor.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_all.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_attrib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_crl.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_exten.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_info.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_name.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_pkey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_pubkey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_req.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_sig.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_spki.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_val.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_x509.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509/x_x509a.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_cache.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_data.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_map.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_node.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/pcy_tree.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_akey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_akeya.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_alt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_bcons.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_bitst.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_conf.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_cpols.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_crld.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_enum.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_extku.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_genn.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_ia5.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_info.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_int.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_ncons.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_pci.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_pcia.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_pcons.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_pku.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_pmaps.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_prn.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_purp.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_skey.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_sxnet.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/x509v3/v3_utl.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/custom_extensions.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_both.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_clnt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_meth.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_pkt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_srtp.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/d1_srvr.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/dtls_record.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/pqueue/pqueue.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_both.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_clnt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_enc.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_meth.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_pkt.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/s3_srvr.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_aead_ctx.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_asn1.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_buffer.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_cert.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_cipher.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_file.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_rsa.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_session.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_stat.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/t1_enc.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/t1_lib.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/tls_record.c" role="src" />
+  </dir>
+ </contents>
+ <dependencies>
+  <required>
+   <php>
+    <min>5.5.0</min>
+   </php>
+   <pearinstaller>
+    <min>1.4.0</min>
+   </pearinstaller>
+  </required>
+ </dependencies>
+ <providesextension>grpc</providesextension>
+ <extsrcrelease />
+ <changelog>
+  <release>
+   <version>
+    <release>0.5.0</release>
+    <api>0.5.0</api>
+   </version>
+   <stability>
+    <release>alpha</release>
+    <api>alpha</api>
+   </stability>
+   <date>2015-06-16</date>
+   <license>BSD</license>
+   <notes>
+First alpha release
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.5.1</release>
+    <api>0.5.1</api>
+   </version>
+   <stability>
+    <release>alpha</release>
+    <api>alpha</api>
+   </stability>
+   <date>2015-07-09</date>
+   <license>BSD</license>
+   <notes>
+Update to wrap gRPC C Core version 0.10.0
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.6.0</release>
+    <api>0.6.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2015-09-24</date>
+   <license>BSD</license>
+   <notes>
+- support per message compression disable
+- expose per-call host override option
+- expose connectivity API
+- expose channel target and call peer
+- add user-agent
+- update to wrap gRPC C core library beta version 0.11.0
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.6.1</release>
+    <api>0.6.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2015-10-21</date>
+   <license>BSD</license>
+   <notes>
+- fixed undefined constant fatal error when run with apache/nginx #2275
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.7.0</release>
+    <api>0.7.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2016-01-13</date>
+   <license>BSD</license>
+   <notes>
+- Breaking change to Credentials class (removed) #3765
+- Replaced by ChannelCredentials and CallCredentials class #3765
+- New plugin based metadata auth API #4394
+- Explicit ChannelCredentials::createInsecure() call
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.8.0</release>
+    <api>0.8.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2016-02-24</date>
+   <license>BSD</license>
+   <notes>
+- Simplify gRPC PHP installation #4517
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>0.14.0</release>
+    <api>0.14.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2016-03-01</date>
+   <license>BSD</license>
+   <notes>
+- Increase unit test code coverage #5225
+   </notes>
+  </release>
+ </changelog>
+</package>
diff --git a/setup.py b/setup.py
index 5b9f9b6c66..cd0d3a1a51 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -42,6 +42,7 @@ from setuptools.command import egg_info
 # Redirect the manifest template from MANIFEST.in to PYTHON-MANIFEST.in.
 egg_info.manifest_maker.template = 'PYTHON-MANIFEST.in'
 
+PY3 = sys.version_info.major == 3
 PYTHON_STEM = './src/python/grpcio'
 CORE_INCLUDE = ('./include', '.',)
 BORINGSSL_INCLUDE = ('./third_party/boringssl/include',)
@@ -103,13 +104,22 @@ if "linux" in sys.platform:
   LDFLAGS += ('-Wl,-wrap,memcpy',)
 if "linux" in sys.platform or "darwin" in sys.platform:
   CFLAGS += ('-fvisibility=hidden',)
-  DEFINE_MACROS += (('PyMODINIT_FUNC', '__attribute__((visibility ("default"))) void'),)
 
+  pymodinit_type = 'PyObject*' if PY3 else 'void'
 
-def cython_extensions(package_names, module_names, extra_sources, include_dirs,
+  pymodinit = '__attribute__((visibility ("default"))) {}'.format(pymodinit_type)
+  DEFINE_MACROS += (('PyMODINIT_FUNC', pymodinit),)
+
+
+def cython_extensions(module_names, extra_sources, include_dirs,
                       libraries, define_macros, build_with_cython=False):
+  # Set compiler directives linetrace argument only if we care about tracing;
+  # this is due to Cython having different behavior between linetrace being
+  # False and linetrace being unset. See issue #5689.
+  cython_compiler_directives = {}
   if ENABLE_CYTHON_TRACING:
     define_macros = define_macros + [('CYTHON_TRACE_NOGIL', 1)]
+    cython_compiler_directives['linetrace'] = True
   file_extension = 'pyx' if build_with_cython else 'c'
   module_files = [os.path.join(PYTHON_STEM,
                                name.replace('.', '/') + '.' + file_extension)
@@ -129,12 +139,12 @@ def cython_extensions(package_names, module_names, extra_sources, include_dirs,
     return Cython.Build.cythonize(
         extensions,
         include_path=include_dirs,
-        compiler_directives={'linetrace': bool(ENABLE_CYTHON_TRACING)})
+        compiler_directives=cython_compiler_directives)
   else:
     return extensions
 
 CYTHON_EXTENSION_MODULES = cython_extensions(
-    list(CYTHON_EXTENSION_PACKAGE_NAMES), list(CYTHON_EXTENSION_MODULE_NAMES),
+    list(CYTHON_EXTENSION_MODULE_NAMES),
     list(CYTHON_HELPER_C_FILES) + list(CORE_C_FILES),
     list(EXTENSION_INCLUDE_DIRECTORIES), list(EXTENSION_LIBRARIES),
     list(DEFINE_MACROS), bool(BUILD_WITH_CYTHON))
@@ -154,6 +164,7 @@ INSTALL_REQUIRES = (
 
 SETUP_REQUIRES = (
     'sphinx>=1.3',
+    'sphinx_rtd_theme>=0.1.8'
 ) + INSTALL_REQUIRES
 
 COMMAND_CLASS = {
@@ -165,6 +176,7 @@ COMMAND_CLASS = {
     'build_tagged_ext': precompiled.BuildTaggedExt,
     'gather': commands.Gather,
     'run_interop': commands.RunInterop,
+    'test_lite': commands.TestLite
 }
 
 # Ensure that package data is copied over before any commands have been run:
@@ -208,7 +220,6 @@ PACKAGE_DATA = {
         '_credentials/roots.pem',
         '_windows/grpc_c.32.python',
         '_windows/grpc_c.64.python',
-        'cygrpc.so',
     ],
 }
 if INSTALL_TESTS:
diff --git a/src/boringssl/gen_build_yaml.py b/src/boringssl/gen_build_yaml.py
index 3a7116b181..20f6413adf 100755
--- a/src/boringssl/gen_build_yaml.py
+++ b/src/boringssl/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 97295bed45..b133699306 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,6 @@
 #include <map>
 
 #include "src/compiler/cpp_generator.h"
-#include "src/compiler/cpp_generator_helpers.h"
-
-#include "src/compiler/config.h"
 
 #include <sstream>
 
@@ -50,22 +47,6 @@ grpc::string as_string(T x) {
   return out.str();
 }
 
-bool NoStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return !method->client_streaming() && !method->server_streaming();
-}
-
-bool ClientOnlyStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return method->client_streaming() && !method->server_streaming();
-}
-
-bool ServerOnlyStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return !method->client_streaming() && method->server_streaming();
-}
-
-bool BidiStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return method->client_streaming() && method->server_streaming();
-}
-
 grpc::string FilenameIdentifier(const grpc::string &filename) {
   grpc::string result;
   for (unsigned i = 0; i < filename.size(); i++) {
@@ -83,78 +64,103 @@ grpc::string FilenameIdentifier(const grpc::string &filename) {
 }
 }  // namespace
 
-grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params) {
+template<class T, size_t N>
+T *array_end(T (&array)[N]) { return array + N; }
+
+void PrintIncludes(Printer *printer, const std::vector<grpc::string>& headers, const Parameters &params) {
+  std::map<grpc::string, grpc::string> vars;
+
+  vars["l"] = params.use_system_headers ? '<' : '"';
+  vars["r"] = params.use_system_headers ? '>' : '"';
+
+  if (!params.grpc_search_path.empty()) {
+    vars["l"] += params.grpc_search_path;
+    if (params.grpc_search_path.back() != '/') {
+      vars["l"] += '/';
+    }
+  }
+
+  for (auto i = headers.begin(); i != headers.end(); i++) {
+    vars["h"] = *i;
+    printer->Print(vars, "#include $l$$h$$r$\n");
+  }
+}
+
+grpc::string GetHeaderPrologue(File *file, const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_identifier"] = FilenameIdentifier(file->name());
-    vars["filename_base"] = grpc_generator::StripProto(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_identifier"] = FilenameIdentifier(file->filename());
+    vars["filename_base"] = file->filename_without_ext();
 
-    printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n");
-    printer.Print(vars,
+    printer->Print(vars, "// Generated by the gRPC protobuf plugin.\n");
+    printer->Print(vars,
                   "// If you make any local change, they will be lost.\n");
-    printer.Print(vars, "// source: $filename$\n");
-    printer.Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n");
-    printer.Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n");
-    printer.Print(vars, "\n");
-    printer.Print(vars, "#include \"$filename_base$.pb.h\"\n");
-    printer.Print(vars, "\n");
+    printer->Print(vars, "// source: $filename$\n");
+    printer->Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "\n");
+    printer->Print(vars, "#include \"$filename_base$.pb.h\"\n");
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetHeaderIncludes(File *file,
                                const Parameters &params) {
-  grpc::string temp =
-      "#include <grpc++/impl/codegen/async_stream.h>\n"
-      "#include <grpc++/impl/codegen/async_unary_call.h>\n"
-      "#include <grpc++/impl/codegen/proto_utils.h>\n"
-      "#include <grpc++/impl/codegen/rpc_method.h>\n"
-      "#include <grpc++/impl/codegen/service_type.h>\n"
-      "#include <grpc++/impl/codegen/status.h>\n"
-      "#include <grpc++/impl/codegen/stub_options.h>\n"
-      "#include <grpc++/impl/codegen/sync_stream.h>\n"
-      "\n"
-      "namespace grpc {\n"
-      "class CompletionQueue;\n"
-      "class RpcService;\n"
-      "class ServerCompletionQueue;\n"
-      "class ServerContext;\n"
-      "}  // namespace grpc\n\n";
+  grpc::string output;
+  {
+    // Scope the output stream so it closes and finalizes output to the string.
+    auto printer = file->CreatePrinter(&output);
+    std::map<grpc::string, grpc::string> vars;
 
-  if (!file->package().empty()) {
-    std::vector<grpc::string> parts =
-        grpc_generator::tokenize(file->package(), ".");
+    static const char *headers_strs[] = {
+      "grpc++/impl/codegen/async_stream.h",
+      "grpc++/impl/codegen/async_unary_call.h",
+      "grpc++/impl/codegen/proto_utils.h",
+      "grpc++/impl/codegen/rpc_method.h",
+      "grpc++/impl/codegen/service_type.h",
+      "grpc++/impl/codegen/status.h",
+      "grpc++/impl/codegen/stub_options.h",
+      "grpc++/impl/codegen/sync_stream.h"
+    };
+    std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
+    PrintIncludes(printer.get(), headers, params);
+    printer->Print(vars, "\n");
+    printer->Print(vars, "namespace grpc {\n");
+    printer->Print(vars, "class CompletionQueue;\n");
+    printer->Print(vars, "class Channel;\n");
+    printer->Print(vars, "class RpcService;\n");
+    printer->Print(vars, "class ServerCompletionQueue;\n");
+    printer->Print(vars, "class ServerContext;\n");
+    printer->Print(vars, "}  // namespace grpc\n\n");
 
-    for (auto part = parts.begin(); part != parts.end(); part++) {
-      temp.append("namespace ");
-      temp.append(*part);
-      temp.append(" {\n");
+    if (!file->package().empty()) {
+      std::vector<grpc::string> parts = file->package_parts();
+
+      for (auto part = parts.begin(); part != parts.end(); part++) {
+        vars["part"] = *part;
+        printer->Print(vars, "namespace $part$ {\n");
+      }
+      printer->Print(vars, "\n");
     }
-    temp.append("\n");
   }
-
-  return temp;
+  return output;
 }
 
 void PrintHeaderClientMethodInterfaces(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer, const Method *method,
     std::map<grpc::string, grpc::string> *vars, bool is_public) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
 
   if (is_public) {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::Status $Method$(::grpc::ClientContext* context, "
@@ -172,7 +178,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, request, cq));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
@@ -198,7 +204,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, response, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
@@ -224,7 +230,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, request, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(*vars,
                      "std::unique_ptr< ::grpc::ClientReaderWriterInterface< "
                      "$Request$, $Response$>> "
@@ -253,14 +259,14 @@ void PrintHeaderClientMethodInterfaces(
       printer->Print("}\n");
     }
   } else {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* "
           "Async$Method$Raw(::grpc::ClientContext* context, "
           "const $Request$& request, "
           "::grpc::CompletionQueue* cq) = 0;\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientWriterInterface< $Request$>*"
@@ -271,7 +277,7 @@ void PrintHeaderClientMethodInterfaces(
                      " Async$Method$Raw(::grpc::ClientContext* context, "
                      "$Response$* response, "
                      "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientReaderInterface< $Response$>* $Method$Raw("
@@ -282,7 +288,7 @@ void PrintHeaderClientMethodInterfaces(
           "Async$Method$Raw("
           "::grpc::ClientContext* context, const $Request$& request, "
           "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(*vars,
                      "virtual ::grpc::ClientReaderWriterInterface< $Request$, "
                      "$Response$>* "
@@ -296,17 +302,15 @@ void PrintHeaderClientMethodInterfaces(
   }
 }
 
-void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderClientMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars,
                              bool is_public) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   if (is_public) {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "::grpc::Status $Method$(::grpc::ClientContext* context, "
@@ -324,7 +328,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
                      "Async$Method$Raw(context, request, cq));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
@@ -348,7 +352,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "Async$Method$Raw(context, response, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReader< $Response$>>"
@@ -374,7 +378,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "Async$Method$Raw(context, request, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>"
@@ -400,13 +404,13 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
       printer->Print("}\n");
     }
   } else {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientAsyncResponseReader< $Response$>* "
                      "Async$Method$Raw(::grpc::ClientContext* context, "
                      "const $Request$& request, "
                      "::grpc::CompletionQueue* cq) GRPC_OVERRIDE;\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientWriter< $Request$>* $Method$Raw("
                      "::grpc::ClientContext* context, $Response$* response) "
@@ -416,7 +420,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "::grpc::ClientAsyncWriter< $Request$>* Async$Method$Raw("
           "::grpc::ClientContext* context, $Response$* response, "
           "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientReader< $Response$>* $Method$Raw("
                      "::grpc::ClientContext* context, const $Request$& request)"
@@ -426,7 +430,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "::grpc::ClientAsyncReader< $Response$>* Async$Method$Raw("
           "::grpc::ClientContext* context, const $Request$& request, "
           "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "::grpc::ClientReaderWriter< $Request$, $Response$>* "
@@ -440,38 +444,34 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintHeaderClientMethodData(grpc::protobuf::io::Printer *printer,
-                                 const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderClientMethodData(Printer *printer, const Method *method,
                                  std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
   printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
 }
 
-void PrintHeaderServerMethodSync(grpc::protobuf::io::Printer *printer,
-                                 const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderServerMethodSync(Printer *printer, const Method *method,
                                  std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, const $Request$* request, "
                    "$Response$* response);\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, "
                    "::grpc::ServerReader< $Request$>* reader, "
                    "$Response$* response);\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, const $Request$* request, "
                    "::grpc::ServerWriter< $Response$>* writer);\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "virtual ::grpc::Status $Method$("
@@ -482,20 +482,18 @@ void PrintHeaderServerMethodSync(grpc::protobuf::io::Printer *printer,
 }
 
 void PrintHeaderServerMethodAsync(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer,
+    const Method *method,
     std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   printer->Print(*vars, "template <class BaseClass>\n");
   printer->Print(*vars,
                  "class WithAsyncMethod_$Method$ : public BaseClass {\n");
   printer->Print(
       " private:\n"
-      "  void BaseClassMustBeDerivedFromService(Service *service) {}\n");
+      "  void BaseClassMustBeDerivedFromService(const Service *service) {}\n");
   printer->Print(" public:\n");
   printer->Indent();
   printer->Print(*vars,
@@ -506,7 +504,7 @@ void PrintHeaderServerMethodAsync(
                  "~WithAsyncMethod_$Method$() GRPC_OVERRIDE {\n"
                  "  BaseClassMustBeDerivedFromService(this);\n"
                  "}\n");
-  if (NoStreaming(method)) {
+  if (method->NoStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -527,7 +525,7 @@ void PrintHeaderServerMethodAsync(
                    "  ::grpc::Service::RequestAsyncUnary($Idx$, context, "
                    "request, response, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -549,7 +547,7 @@ void PrintHeaderServerMethodAsync(
                    "  ::grpc::Service::RequestAsyncClientStreaming($Idx$, "
                    "context, reader, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -572,7 +570,7 @@ void PrintHeaderServerMethodAsync(
         "  ::grpc::Service::RequestAsyncServerStreaming($Idx$, "
         "context, request, writer, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -600,20 +598,18 @@ void PrintHeaderServerMethodAsync(
 }
 
 void PrintHeaderServerMethodGeneric(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer,
+    const Method *method,
     std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   printer->Print(*vars, "template <class BaseClass>\n");
   printer->Print(*vars,
                  "class WithGenericMethod_$Method$ : public BaseClass {\n");
   printer->Print(
       " private:\n"
-      "  void BaseClassMustBeDerivedFromService(Service *service) {}\n");
+      "  void BaseClassMustBeDerivedFromService(const Service *service) {}\n");
   printer->Print(" public:\n");
   printer->Indent();
   printer->Print(*vars,
@@ -624,7 +620,7 @@ void PrintHeaderServerMethodGeneric(
                  "~WithGenericMethod_$Method$() GRPC_OVERRIDE {\n"
                  "  BaseClassMustBeDerivedFromService(this);\n"
                  "}\n");
-  if (NoStreaming(method)) {
+  if (method->NoStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -634,7 +630,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -645,7 +641,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -656,7 +652,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -672,8 +668,8 @@ void PrintHeaderServerMethodGeneric(
   printer->Print(*vars, "};\n");
 }
 
-void PrintHeaderService(grpc::protobuf::io::Printer *printer,
-                        const grpc::protobuf::ServiceDescriptor *service,
+void PrintHeaderService(Printer *printer,
+                        const Service *service,
                         std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Service"] = service->name();
 
@@ -689,13 +685,13 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print("virtual ~StubInterface() {}\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, true);
+    PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, true);
   }
   printer->Outdent();
   printer->Print("private:\n");
   printer->Indent();
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, false);
+    PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, false);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -705,17 +701,17 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print("Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethod(printer, service->method(i), vars, true);
+    PrintHeaderClientMethod(printer, service->method(i).get(), vars, true);
   }
   printer->Outdent();
   printer->Print("\n private:\n");
   printer->Indent();
   printer->Print("std::shared_ptr< ::grpc::ChannelInterface> channel_;\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethod(printer, service->method(i), vars, false);
+    PrintHeaderClientMethod(printer, service->method(i).get(), vars, false);
   }
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodData(printer, service->method(i), vars);
+    PrintHeaderClientMethodData(printer, service->method(i).get(), vars);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -734,7 +730,7 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Print("Service();\n");
   printer->Print("virtual ~Service();\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderServerMethodSync(printer, service->method(i), vars);
+    PrintHeaderServerMethodSync(printer, service->method(i).get(), vars);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -742,13 +738,13 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   // Server side - Asynchronous
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintHeaderServerMethodAsync(printer, service->method(i), vars);
+    PrintHeaderServerMethodAsync(printer, service->method(i).get(), vars);
   }
 
   printer->Print("typedef ");
 
   for (int i = 0; i < service->method_count(); ++i) {
-    (*vars)["method_name"] = service->method(i)->name();
+    (*vars)["method_name"] = service->method(i).get()->name();
     printer->Print(*vars, "WithAsyncMethod_$method_name$<");
   }
   printer->Print("Service");
@@ -760,20 +756,19 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   // Server side - Generic
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintHeaderServerMethodGeneric(printer, service->method(i), vars);
+    PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars);
   }
 
   printer->Outdent();
   printer->Print("};\n");
 }
 
-grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetHeaderServices(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
     // Package string is empty or ends with a dot. It is used to fully qualify
     // method names.
@@ -784,117 +779,112 @@ grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
 
     if (!params.services_namespace.empty()) {
       vars["services_namespace"] = params.services_namespace;
-      printer.Print(vars, "\nnamespace $services_namespace$ {\n\n");
+      printer->Print(vars, "\nnamespace $services_namespace$ {\n\n");
     }
 
     for (int i = 0; i < file->service_count(); ++i) {
-      PrintHeaderService(&printer, file->service(i), &vars);
-      printer.Print("\n");
+      PrintHeaderService(printer.get(), file->service(i).get(), &vars);
+      printer->Print("\n");
     }
 
     if (!params.services_namespace.empty()) {
-      printer.Print(vars, "}  // namespace $services_namespace$\n\n");
+      printer->Print(vars, "}  // namespace $services_namespace$\n\n");
     }
   }
   return output;
 }
 
-grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetHeaderEpilogue(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_identifier"] = FilenameIdentifier(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_identifier"] = FilenameIdentifier(file->filename());
 
     if (!file->package().empty()) {
-      std::vector<grpc::string> parts =
-          grpc_generator::tokenize(file->package(), ".");
+      std::vector<grpc::string> parts = file->package_parts();
 
       for (auto part = parts.rbegin(); part != parts.rend(); part++) {
         vars["part"] = *part;
-        printer.Print(vars, "}  // namespace $part$\n");
+        printer->Print(vars, "}  // namespace $part$\n");
       }
-      printer.Print(vars, "\n");
+      printer->Print(vars, "\n");
     }
 
-    printer.Print(vars, "\n");
-    printer.Print(vars, "#endif  // GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "\n");
+    printer->Print(vars, "#endif  // GRPC_$filename_identifier$__INCLUDED\n");
   }
   return output;
 }
 
-grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetSourcePrologue(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_base"] = grpc_generator::StripProto(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_base"] = file->filename_without_ext();
 
-    printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n");
-    printer.Print(vars,
+    printer->Print(vars, "// Generated by the gRPC protobuf plugin.\n");
+    printer->Print(vars,
                   "// If you make any local change, they will be lost.\n");
-    printer.Print(vars, "// source: $filename$\n\n");
-    printer.Print(vars, "#include \"$filename_base$.pb.h\"\n");
-    printer.Print(vars, "#include \"$filename_base$.grpc.pb.h\"\n");
-    printer.Print(vars, "\n");
+    printer->Print(vars, "// source: $filename$\n\n");
+    printer->Print(vars, "#include \"$filename_base$.pb.h\"\n");
+    printer->Print(vars, "#include \"$filename_base$.grpc.pb.h\"\n");
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &param) {
+grpc::string GetSourceIncludes(File *file,
+                               const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    printer.Print(vars, "#include <grpc++/impl/codegen/async_stream.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/async_unary_call.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/channel_interface.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/client_unary_call.h>\n");
-    printer.Print(vars,
-                  "#include <grpc++/impl/codegen/method_handler_impl.h>\n");
-    printer.Print(vars,
-                  "#include <grpc++/impl/codegen/rpc_service_method.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/service_type.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/sync_stream.h>\n");
+    static const char *headers_strs[] = {
+      "grpc++/impl/codegen/async_stream.h",
+      "grpc++/impl/codegen/async_unary_call.h",
+      "grpc++/impl/codegen/channel_interface.h",
+      "grpc++/impl/codegen/client_unary_call.h",
+      "grpc++/impl/codegen/method_handler_impl.h",
+      "grpc++/impl/codegen/rpc_service_method.h",
+      "grpc++/impl/codegen/service_type.h",
+      "grpc++/impl/codegen/sync_stream.h"
+    };
+    std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
+    PrintIncludes(printer.get(), headers, params);
 
     if (!file->package().empty()) {
-      std::vector<grpc::string> parts =
-          grpc_generator::tokenize(file->package(), ".");
+      std::vector<grpc::string> parts = file->package_parts();
 
       for (auto part = parts.begin(); part != parts.end(); part++) {
         vars["part"] = *part;
-        printer.Print(vars, "namespace $part$ {\n");
+        printer->Print(vars, "namespace $part$ {\n");
       }
     }
 
-    printer.Print(vars, "\n");
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintSourceClientMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Stub::$Method$("
                    "::grpc::ClientContext* context, "
@@ -917,7 +907,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, request);\n"
                    "}\n\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::ClientWriter< $Request$>* "
                    "$ns$$Service$::Stub::$Method$Raw("
@@ -939,7 +929,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, response, tag);\n"
                    "}\n\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "::grpc::ClientReader< $Response$>* "
@@ -962,7 +952,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, request, tag);\n"
                    "}\n\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "::grpc::ClientReaderWriter< $Request$, $Response$>* "
@@ -989,15 +979,13 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintSourceServerMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1009,7 +997,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1022,7 +1010,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1035,7 +1023,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1050,15 +1038,15 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintSourceService(grpc::protobuf::io::Printer *printer,
-                        const grpc::protobuf::ServiceDescriptor *service,
+void PrintSourceService(Printer *printer,
+                        const Service *service,
                         std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Service"] = service->name();
 
   printer->Print(*vars,
                  "static const char* $prefix$$Service$_method_names[] = {\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    (*vars)["Method"] = service->method(i)->name();
+    (*vars)["Method"] = service->method(i).get()->name();
     printer->Print(*vars, "  \"/$Package$$Service$/$Method$\",\n");
   }
   printer->Print(*vars, "};\n\n");
@@ -1077,14 +1065,14 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print(": channel_(channel)");
   for (int i = 0; i < service->method_count(); ++i) {
-    const grpc::protobuf::MethodDescriptor *method = service->method(i);
+    auto method = service->method(i);
     (*vars)["Method"] = method->name();
     (*vars)["Idx"] = as_string(i);
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       (*vars)["StreamingType"] = "NORMAL_RPC";
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       (*vars)["StreamingType"] = "CLIENT_STREAMING";
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       (*vars)["StreamingType"] = "SERVER_STREAMING";
     } else {
       (*vars)["StreamingType"] = "BIDI_STREAMING";
@@ -1101,21 +1089,19 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
 
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintSourceClientMethod(printer, service->method(i), vars);
+    PrintSourceClientMethod(printer, service->method(i).get(), vars);
   }
 
   printer->Print(*vars, "$ns$$Service$::Service::Service() {\n");
   printer->Indent();
   printer->Print(*vars, "(void)$prefix$$Service$_method_names;\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    const grpc::protobuf::MethodDescriptor *method = service->method(i);
+    auto method = service->method(i);
     (*vars)["Idx"] = as_string(i);
     (*vars)["Method"] = method->name();
-    (*vars)["Request"] =
-        grpc_cpp_generator::ClassName(method->input_type(), true);
-    (*vars)["Response"] =
-        grpc_cpp_generator::ClassName(method->output_type(), true);
-    if (NoStreaming(method)) {
+    (*vars)["Request"] = method->input_type_name();
+    (*vars)["Response"] = method->output_type_name();
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1125,7 +1111,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "$Request$, "
           "$Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1134,7 +1120,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "    new ::grpc::ClientStreamingHandler< "
           "$ns$$Service$::Service, $Request$, $Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1143,7 +1129,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "    new ::grpc::ServerStreamingHandler< "
           "$ns$$Service$::Service, $Request$, $Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1161,17 +1147,16 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
                  "}\n\n");
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintSourceServerMethod(printer, service->method(i), vars);
+    PrintSourceServerMethod(printer, service->method(i).get(), vars);
   }
 }
 
-grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetSourceServices(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
     // Package string is empty or ends with a dot. It is used to fully qualify
     // method names.
@@ -1188,20 +1173,19 @@ grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
     }
 
     for (int i = 0; i < file->service_count(); ++i) {
-      PrintSourceService(&printer, file->service(i), &vars);
-      printer.Print("\n");
+      PrintSourceService(printer.get(), file->service(i).get(), &vars);
+      printer->Print("\n");
     }
   }
   return output;
 }
 
-grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetSourceEpilogue(File *file,
                                const Parameters &params) {
   grpc::string temp;
 
   if (!file->package().empty()) {
-    std::vector<grpc::string> parts =
-        grpc_generator::tokenize(file->package(), ".");
+    std::vector<grpc::string> parts = file->package_parts();
 
     for (auto part = parts.begin(); part != parts.end(); part++) {
       temp.append("}  // namespace ");
diff --git a/src/compiler/cpp_generator.h b/src/compiler/cpp_generator.h
index 70c2e985f6..99a60a2eae 100644
--- a/src/compiler/cpp_generator.h
+++ b/src/compiler/cpp_generator.h
@@ -34,7 +34,23 @@
 #ifndef GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
 #define GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
 
-#include "src/compiler/config.h"
+// cpp_generator.h/.cc do not directly depend on GRPC/ProtoBuf, such that they
+// can be used to generate code for other serialization systems, such as
+// FlatBuffers.
+
+#include <memory>
+#include <vector>
+
+#ifndef GRPC_CUSTOM_STRING
+#include <string>
+#define GRPC_CUSTOM_STRING std::string
+#endif
+
+namespace grpc {
+
+typedef GRPC_CUSTOM_STRING string;
+
+}  // namespace grpc
 
 namespace grpc_cpp_generator {
 
@@ -42,39 +58,86 @@ namespace grpc_cpp_generator {
 struct Parameters {
   // Puts the service into a namespace
   grpc::string services_namespace;
+  // Use system includes (<>) or local includes ("")
+  bool use_system_headers;
+  // Prefix to any grpc include
+  grpc::string grpc_search_path;
+};
+
+// An abstract interface representing a method.
+struct Method {
+  virtual ~Method() {}
+
+  virtual grpc::string name() const = 0;
+
+  virtual grpc::string input_type_name() const = 0;
+  virtual grpc::string output_type_name() const = 0;
+
+  virtual bool NoStreaming() const = 0;
+  virtual bool ClientOnlyStreaming() const = 0;
+  virtual bool ServerOnlyStreaming() const = 0;
+  virtual bool BidiStreaming() const = 0;
+};
+
+// An abstract interface representing a service.
+struct Service {
+  virtual ~Service() {}
+
+  virtual grpc::string name() const = 0;
+
+  virtual int method_count() const = 0;
+  virtual std::unique_ptr<const Method> method(int i) const = 0;
+};
+
+struct Printer {
+  virtual ~Printer() {}
+
+  virtual void Print(const std::map<grpc::string, grpc::string> &vars,
+                     const char *template_string) = 0;
+  virtual void Print(const char *string) = 0;
+  virtual void Indent() = 0;
+  virtual void Outdent() = 0;
+};
+
+// An interface that allows the source generated to be output using various
+// libraries/idls/serializers.
+struct File {
+  virtual ~File() {}
+
+  virtual grpc::string filename() const = 0;
+  virtual grpc::string filename_without_ext() const = 0;
+  virtual grpc::string package() const = 0;
+  virtual std::vector<grpc::string> package_parts() const = 0;
+
+  virtual int service_count() const = 0;
+  virtual std::unique_ptr<const Service> service(int i) const = 0;
+
+  virtual std::unique_ptr<Printer> CreatePrinter(grpc::string *str) const = 0;
 };
 
 // Return the prologue of the generated header file.
-grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderPrologue(File *file, const Parameters &params);
 
 // Return the includes needed for generated header file.
-grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderIncludes(File *file, const Parameters &params);
 
 // Return the includes needed for generated source file.
-grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceIncludes(File *file, const Parameters &params);
 
 // Return the epilogue of the generated header file.
-grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderEpilogue(File *file, const Parameters &params);
 
 // Return the prologue of the generated source file.
-grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourcePrologue(File *file, const Parameters &params);
 
 // Return the services for generated header file.
-grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderServices(File *file, const Parameters &params);
 
 // Return the services for generated source file.
-grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceServices(File *file, const Parameters &params);
 
 // Return the epilogue of the generated source file.
-grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceEpilogue(File *file, const Parameters &params);
 
 }  // namespace grpc_cpp_generator
 
diff --git a/src/compiler/cpp_plugin.cc b/src/compiler/cpp_plugin.cc
index 88c704948e..f703c6453d 100644
--- a/src/compiler/cpp_plugin.cc
+++ b/src/compiler/cpp_plugin.cc
@@ -41,6 +41,105 @@
 #include "src/compiler/cpp_generator.h"
 #include "src/compiler/cpp_generator_helpers.h"
 
+class ProtoBufMethod : public grpc_cpp_generator::Method {
+ public:
+  ProtoBufMethod(const grpc::protobuf::MethodDescriptor *method)
+    : method_(method) {}
+
+  grpc::string name() const { return method_->name(); }
+
+  grpc::string input_type_name() const {
+    return grpc_cpp_generator::ClassName(method_->input_type(), true);
+  }
+  grpc::string output_type_name() const {
+    return grpc_cpp_generator::ClassName(method_->output_type(), true);
+  }
+
+  bool NoStreaming() const {
+    return !method_->client_streaming() && !method_->server_streaming();
+  }
+
+  bool ClientOnlyStreaming() const {
+    return method_->client_streaming() && !method_->server_streaming();
+  }
+
+  bool ServerOnlyStreaming() const {
+    return !method_->client_streaming() && method_->server_streaming();
+  }
+
+  bool BidiStreaming() const {
+    return method_->client_streaming() && method_->server_streaming();
+  }
+
+ private:
+  const grpc::protobuf::MethodDescriptor *method_;
+};
+
+class ProtoBufService : public grpc_cpp_generator::Service {
+ public:
+  ProtoBufService(const grpc::protobuf::ServiceDescriptor *service)
+    : service_(service) {}
+
+  grpc::string name() const { return service_->name(); }
+
+  int method_count() const { return service_->method_count(); };
+  std::unique_ptr<const grpc_cpp_generator::Method> method(int i) const {
+    return std::unique_ptr<const grpc_cpp_generator::Method>(
+          new ProtoBufMethod(service_->method(i)));
+  };
+
+ private:
+  const grpc::protobuf::ServiceDescriptor *service_;
+};
+
+class ProtoBufPrinter : public grpc_cpp_generator::Printer {
+ public:
+  ProtoBufPrinter(grpc::string *str)
+    : output_stream_(str), printer_(&output_stream_, '$') {}
+
+  void Print(const std::map<grpc::string, grpc::string> &vars,
+             const char *string_template) {
+    printer_.Print(vars, string_template);
+  }
+
+  void Print(const char *string) { printer_.Print(string); }
+  void Indent() { printer_.Indent(); }
+  void Outdent() { printer_.Outdent(); }
+
+ private:
+  grpc::protobuf::io::StringOutputStream output_stream_;
+  grpc::protobuf::io::Printer printer_;
+};
+
+class ProtoBufFile : public grpc_cpp_generator::File {
+ public:
+  ProtoBufFile(const grpc::protobuf::FileDescriptor *file) : file_(file) {}
+
+  grpc::string filename() const { return file_->name(); }
+  grpc::string filename_without_ext() const {
+    return grpc_generator::StripProto(filename());
+  }
+
+  grpc::string package() const { return file_->package(); }
+  std::vector<grpc::string> package_parts() const {
+    return grpc_generator::tokenize(package(), ".");
+  }
+
+  int service_count() const { return file_->service_count(); };
+  std::unique_ptr<const grpc_cpp_generator::Service> service(int i) const {
+    return std::unique_ptr<const grpc_cpp_generator::Service> (
+          new ProtoBufService(file_->service(i)));
+  }
+
+  std::unique_ptr<grpc_cpp_generator::Printer> CreatePrinter(grpc::string *str) const {
+    return std::unique_ptr<grpc_cpp_generator::Printer>(
+          new ProtoBufPrinter(str));
+  }
+
+ private:
+  const grpc::protobuf::FileDescriptor *file_;
+};
+
 class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
  public:
   CppGrpcGenerator() {}
@@ -59,6 +158,9 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     }
 
     grpc_cpp_generator::Parameters generator_parameters;
+    generator_parameters.use_system_headers = true;
+
+    ProtoBufFile pbfile(file);
 
     if (!parameter.empty()) {
       std::vector<grpc::string> parameters_list =
@@ -70,6 +172,17 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
           grpc_generator::tokenize(*parameter_string, "=");
         if (param[0] == "services_namespace") {
           generator_parameters.services_namespace = param[1];
+        } else if (param[0] == "use_system_headers") {
+          if (param[1] == "true") {
+            generator_parameters.use_system_headers = true;
+          } else if (param[1] == "false") {
+            generator_parameters.use_system_headers = false;
+          } else {
+            *error = grpc::string("Invalid parameter: ") + *parameter_string;
+            return false;
+          }
+        } else if (param[0] == "grpc_search_path") {
+          generator_parameters.grpc_search_path = param[1];
         } else {
           *error = grpc::string("Unknown parameter: ") + *parameter_string;
           return false;
@@ -80,10 +193,10 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     grpc::string file_name = grpc_generator::StripProto(file->name());
 
     grpc::string header_code =
-        grpc_cpp_generator::GetHeaderPrologue(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderIncludes(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderServices(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderEpilogue(file, generator_parameters);
+        grpc_cpp_generator::GetHeaderPrologue(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderIncludes(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderServices(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderEpilogue(&pbfile, generator_parameters);
     std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> header_output(
         context->Open(file_name + ".grpc.pb.h"));
     grpc::protobuf::io::CodedOutputStream header_coded_out(
@@ -91,10 +204,10 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     header_coded_out.WriteRaw(header_code.data(), header_code.size());
 
     grpc::string source_code =
-        grpc_cpp_generator::GetSourcePrologue(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceIncludes(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceServices(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceEpilogue(file, generator_parameters);
+        grpc_cpp_generator::GetSourcePrologue(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceIncludes(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceServices(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceEpilogue(&pbfile, generator_parameters);
     std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> source_output(
         context->Open(file_name + ".grpc.pb.cc"));
     grpc::protobuf::io::CodedOutputStream source_coded_out(
diff --git a/src/compiler/csharp_generator.cc b/src/compiler/csharp_generator.cc
index f6079bdc05..69e2738d53 100644
--- a/src/compiler/csharp_generator.cc
+++ b/src/compiler/csharp_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -81,6 +81,10 @@ std::string GetServerInterfaceName(const ServiceDescriptor* service) {
   return "I" + service->name();
 }
 
+std::string GetServerClassName(const ServiceDescriptor* service) {
+  return service->name() + "Base";
+}
+
 std::string GetCSharpMethodType(MethodType method_type) {
   switch (method_type) {
     case METHODTYPE_NO_STREAMING:
@@ -108,10 +112,14 @@ std::string GetMethodFieldName(const MethodDescriptor *method) {
   return "__Method_" + method->name();
 }
 
-std::string GetMethodRequestParamMaybe(const MethodDescriptor *method) {
+std::string GetMethodRequestParamMaybe(const MethodDescriptor *method,
+                                       bool invocation_param=false) {
   if (method->client_streaming()) {
     return "";
   }
+  if (invocation_param) {
+    return "request, ";
+  }
   return GetClassName(method->input_type()) + " request, ";
 }
 
@@ -242,6 +250,8 @@ void GenerateServiceDescriptorProperty(Printer* out, const ServiceDescriptor *se
 
 void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client interface\n");
+  out->Print("[System.Obsolete(\"Client side interfaced will be removed "
+             "in the next release. Use client class directly.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetClientInterfaceName(service));
   out->Print("{\n");
@@ -290,6 +300,8 @@ void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) {
 
 void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// server-side interface\n");
+  out->Print("[System.Obsolete(\"Service implementations should inherit"
+      " from the generated abstract base class instead.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetServerInterfaceName(service));
   out->Print("{\n");
@@ -309,21 +321,64 @@ void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("\n");
 }
 
+void GenerateServerClass(Printer* out, const ServiceDescriptor *service) {
+  out->Print("// server-side abstract class\n");
+  out->Print("public abstract class $name$\n", "name",
+             GetServerClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  for (int i = 0; i < service->method_count(); i++) {
+    const MethodDescriptor *method = service->method(i);
+    out->Print(
+        "public virtual $returntype$ $methodname$($request$$response_stream_maybe$, "
+        "ServerCallContext context)\n",
+        "methodname", method->name(), "returntype",
+        GetMethodReturnTypeServer(method), "request",
+        GetMethodRequestParamServer(method), "response_stream_maybe",
+        GetMethodResponseStreamMaybe(method));
+    out->Print("{\n");
+    out->Indent();
+    out->Print("throw new RpcException("
+               "new Status(StatusCode.Unimplemented, \"\"));\n");
+    out->Outdent();
+    out->Print("}\n\n");
+  }
+  out->Outdent();
+  out->Print("}\n");
+  out->Print("\n");
+}
+
 void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client stub\n");
   out->Print(
-      "public class $name$ : ClientBase, $interface$\n",
-      "name", GetClientClassName(service), "interface",
-      GetClientInterfaceName(service));
+      "public class $name$ : ClientBase<$name$>, $interface$\n",
+      "name", GetClientClassName(service),
+      "interface", GetClientInterfaceName(service));
   out->Print("{\n");
   out->Indent();
 
   // constructors
-  out->Print(
-      "public $name$(Channel channel) : base(channel)\n",
-      "name", GetClientClassName(service));
+  out->Print("public $name$(Channel channel) : base(channel)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("public $name$(CallInvoker callInvoker) : base(callInvoker)\n",
+             "name", GetClientClassName(service));
   out->Print("{\n");
   out->Print("}\n");
+  out->Print("///<summary>Protected parameterless constructor to allow creation"
+             " of test doubles.</summary>\n");
+  out->Print("protected $name$() : base()\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("///<summary>Protected constructor to allow creation of configured"
+             " clients.</summary>\n");
+  out->Print("protected $name$(ClientBaseConfiguration configuration)"
+             " : base(configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n\n");
 
   for (int i = 0; i < service->method_count(); i++) {
     const MethodDescriptor *method = service->method(i);
@@ -331,30 +386,26 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
 
     if (method_type == METHODTYPE_NO_STREAMING) {
       // unary calls have an extra synchronous stub method
-      out->Print(
-          "public $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+      out->Print("public virtual $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
           "methodname", method->name(), "request",
           GetClassName(method->input_type()), "response",
           GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-                 "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
+      out->Print("return $methodname$(request, new CallOptions(headers, deadline, cancellationToken));\n",
+                 "methodname", method->name());
       out->Outdent();
       out->Print("}\n");
 
       // overload taking CallOptions as a param
-      out->Print(
-                "public $response$ $methodname$($request$ request, CallOptions options)\n",
-                "methodname", method->name(), "request",
-                GetClassName(method->input_type()), "response",
-                GetClassName(method->output_type()));
+      out->Print("public virtual $response$ $methodname$($request$ request, CallOptions options)\n",
+          "methodname", method->name(), "request",
+          GetClassName(method->input_type()), "response",
+          GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, options);\n",
+      out->Print("return CallInvoker.BlockingUnaryCall($methodfield$, null, options, request);\n",
                  "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
       out->Outdent();
       out->Print("}\n");
     }
@@ -364,57 +415,44 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
       method_name += "Async";  // prevent name clash with synchronous method.
     }
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
-        "methodname", method_name, "request_maybe",
-        GetMethodRequestParamMaybe(method), "returntype",
-        GetMethodReturnTypeClient(method));
+            "public virtual $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+            "methodname", method_name, "request_maybe",
+            GetMethodRequestParamMaybe(method), "returntype",
+            GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-               "methodfield", GetMethodFieldName(method));
-    switch (GetMethodType(method)) {
-      case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
-        break;
-      case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
-        break;
-      case METHODTYPE_SERVER_STREAMING:
-        out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
-        break;
-      case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
-        break;
-      default:
-        GOOGLE_LOG(FATAL)<< "Can't get here.";
-    }
+
+    out->Print("return $methodname$($request_maybe$new CallOptions(headers, deadline, cancellationToken));\n",
+               "methodname", method_name,
+               "request_maybe", GetMethodRequestParamMaybe(method, true));
     out->Outdent();
     out->Print("}\n");
 
     // overload taking CallOptions as a param
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$CallOptions options)\n",
+        "public virtual $returntype$ $methodname$($request_maybe$CallOptions options)\n",
         "methodname", method_name, "request_maybe",
         GetMethodRequestParamMaybe(method), "returntype",
         GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, options);\n",
-               "methodfield", GetMethodFieldName(method));
     switch (GetMethodType(method)) {
       case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
+        out->Print("return CallInvoker.AsyncUnaryCall($methodfield$, null, options, request);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncClientStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_SERVER_STREAMING:
         out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
+            "return CallInvoker.AsyncServerStreamingCall($methodfield$, null, options, request);\n",
+            "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncDuplexStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       default:
         GOOGLE_LOG(FATAL)<< "Can't get here.";
@@ -422,17 +460,30 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
     out->Outdent();
     out->Print("}\n");
   }
+
+  // override NewInstance method
+  out->Print("protected override $name$ NewInstance(ClientBaseConfiguration configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  out->Print("return new $name$(configuration);\n",
+             "name", GetClientClassName(service));
+  out->Outdent();
+  out->Print("}\n");
+
   out->Outdent();
   out->Print("}\n");
   out->Print("\n");
 }
 
-void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service) {
+void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service,
+                               bool use_server_class) {
   out->Print(
       "// creates service definition that can be registered with a server\n");
   out->Print(
       "public static ServerServiceDefinition BindService($interface$ serviceImpl)\n",
-      "interface", GetServerInterfaceName(service));
+      "interface", use_server_class ? GetServerClassName(service) :
+          GetServerInterfaceName(service));
   out->Print("{\n");
   out->Indent();
 
@@ -489,8 +540,10 @@ void GenerateService(Printer* out, const ServiceDescriptor *service) {
   GenerateServiceDescriptorProperty(out, service);
   GenerateClientInterface(out, service);
   GenerateServerInterface(out, service);
+  GenerateServerClass(out, service);
   GenerateClientStub(out, service);
-  GenerateBindServiceMethod(out, service);
+  GenerateBindServiceMethod(out, service, false);
+  GenerateBindServiceMethod(out, service, true);
   GenerateNewStubMethods(out, service);
 
   out->Outdent();
diff --git a/src/compiler/python_generator.cc b/src/compiler/python_generator.cc
index 4fd5dfbecb..02c032800b 100644
--- a/src/compiler/python_generator.cc
+++ b/src/compiler/python_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -190,11 +190,10 @@ bool PrintBetaServicer(const ServiceDescriptor* service,
         "Documentation", doc,
       });
   out->Print("\n");
-  out->Print(dict, "class Beta$Service$Servicer(object):\n");
+  out->Print(dict, "class Beta$Service$Servicer(six.with_metaclass(abc.ABCMeta, object)):\n");
   {
     IndentScope raii_class_indent(out);
     out->Print(dict, "\"\"\"$Documentation$\"\"\"\n");
-    out->Print("__metaclass__ = abc.ABCMeta\n");
     for (int i = 0; i < service->method_count(); ++i) {
       auto meth = service->method(i);
       grpc::string arg_name = meth->client_streaming() ?
@@ -219,11 +218,10 @@ bool PrintBetaStub(const ServiceDescriptor* service,
         "Documentation", doc,
       });
   out->Print("\n");
-  out->Print(dict, "class Beta$Service$Stub(object):\n");
+  out->Print(dict, "class Beta$Service$Stub(six.with_metaclass(abc.ABCMeta, object)):\n");
   {
     IndentScope raii_class_indent(out);
     out->Print(dict, "\"\"\"$Documentation$\"\"\"\n");
-    out->Print("__metaclass__ = abc.ABCMeta\n");
     for (int i = 0; i < service->method_count(); ++i) {
       const MethodDescriptor* meth = service->method(i);
       grpc::string arg_name = meth->client_streaming() ?
@@ -449,6 +447,7 @@ bool PrintBetaStubFactory(const grpc::string& package_qualified_service_name,
 bool PrintPreamble(const FileDescriptor* file,
                    const GeneratorConfiguration& config, Printer* out) {
   out->Print("import abc\n");
+  out->Print("import six\n");
   out->Print("from $Package$ import implementations as beta_implementations\n",
              "Package", config.beta_package_root);
   out->Print("from grpc.framework.common import cardinality\n");
diff --git a/src/compiler/python_generator.h b/src/compiler/python_generator.h
index 68da18f9ba..e56b6790ef 100644
--- a/src/compiler/python_generator.h
+++ b/src/compiler/python_generator.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/python_plugin.cc b/src/compiler/python_plugin.cc
index d781ddbee5..92a07b2f80 100644
--- a/src/compiler/python_plugin.cc
+++ b/src/compiler/python_plugin.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/ruby_generator.cc b/src/compiler/ruby_generator.cc
index 299137519f..5ac56ad289 100644
--- a/src/compiler/ruby_generator.cc
+++ b/src/compiler/ruby_generator.cc
@@ -55,11 +55,11 @@ namespace {
 // Prints out the method using the ruby gRPC DSL.
 void PrintMethod(const MethodDescriptor *method, const grpc::string &package,
                  Printer *out) {
-  grpc::string input_type = RubyTypeOf(method->input_type()->name(), package);
+  grpc::string input_type = RubyTypeOf(method->input_type()->full_name(), package);
   if (method->client_streaming()) {
     input_type = "stream(" + input_type + ")";
   }
-  grpc::string output_type = RubyTypeOf(method->output_type()->name(), package);
+  grpc::string output_type = RubyTypeOf(method->output_type()->full_name(), package);
   if (method->server_streaming()) {
     output_type = "stream(" + output_type + ")";
   }
diff --git a/src/compiler/ruby_generator_string-inl.h b/src/compiler/ruby_generator_string-inl.h
index 8da3a88da2..d1ad871c1a 100644
--- a/src/compiler/ruby_generator_string-inl.h
+++ b/src/compiler/ruby_generator_string-inl.h
@@ -115,6 +115,7 @@ inline grpc::string RubyTypeOf(const grpc::string &a_type,
     return res;
   } else {
     std::vector<grpc::string> prefixes_and_type = Split(res, '.');
+    res.clear();
     for (unsigned int i = 0; i < prefixes_and_type.size(); ++i) {
       if (i != 0) {
         res += "::";  // switch '.' to the ruby module delim
diff --git a/src/core/channel/client_uchannel.c b/src/core/channel/client_uchannel.c
deleted file mode 100644
index b1e7155773..0000000000
--- a/src/core/channel/client_uchannel.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/channel/client_uchannel.h"
-
-#include <string.h>
-
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/subchannel_call_holder.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/useful.h>
-
-/** Microchannel (uchannel) implementation: a lightweight channel without any
- * load-balancing mechanisms meant for communication from within the core. */
-
-typedef struct client_uchannel_channel_data {
-  /** master channel - the grpc_channel instance that ultimately owns
-      this channel_data via its channel stack.
-      We occasionally use this to bump the refcount on the master channel
-      to keep ourselves alive through an asynchronous operation. */
-  grpc_channel_stack *owning_stack;
-
-  /** connectivity state being tracked */
-  grpc_connectivity_state_tracker state_tracker;
-
-  /** the subchannel wrapped by the microchannel */
-  grpc_connected_subchannel *connected_subchannel;
-
-  /** the callback used to stay subscribed to subchannel connectivity
-   * notifications */
-  grpc_closure connectivity_cb;
-
-  /** the current connectivity state of the wrapped subchannel */
-  grpc_connectivity_state subchannel_connectivity;
-
-  gpr_mu mu_state;
-} channel_data;
-
-typedef grpc_subchannel_call_holder call_data;
-
-static void monitor_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
-                               bool iomgr_success) {
-  channel_data *chand = arg;
-  grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                              chand->subchannel_connectivity,
-                              "uchannel_monitor_subchannel");
-  grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, chand->connected_subchannel, NULL,
-      &chand->subchannel_connectivity, &chand->connectivity_cb);
-}
-
-static char *cuc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
-  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data);
-}
-
-static void cuc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                          grpc_call_element *elem,
-                                          grpc_transport_stream_op *op) {
-  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
-}
-
-static void cuc_start_transport_op(grpc_exec_ctx *exec_ctx,
-                                   grpc_channel_element *elem,
-                                   grpc_transport_op *op) {
-  channel_data *chand = elem->channel_data;
-
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
-
-  GPR_ASSERT(op->set_accept_stream == NULL);
-  GPR_ASSERT(op->bind_pollset == NULL);
-
-  if (op->on_connectivity_state_change != NULL) {
-    grpc_connectivity_state_notify_on_state_change(
-        exec_ctx, &chand->state_tracker, op->connectivity_state,
-        op->on_connectivity_state_change);
-    op->on_connectivity_state_change = NULL;
-    op->connectivity_state = NULL;
-  }
-
-  if (op->disconnect) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
-  }
-}
-
-static int cuc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
-                               grpc_metadata_batch *initial_metadata,
-                               grpc_connected_subchannel **connected_subchannel,
-                               grpc_closure *on_ready) {
-  channel_data *chand = arg;
-  GPR_ASSERT(initial_metadata != NULL);
-  *connected_subchannel = chand->connected_subchannel;
-  return 1;
-}
-
-/* Constructor for call_data */
-static void cuc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                               grpc_call_element_args *args) {
-  grpc_subchannel_call_holder_init(elem->call_data, cuc_pick_subchannel,
-                                   elem->channel_data, args->call_stack);
-}
-
-/* Destructor for call_data */
-static void cuc_destroy_call_elem(grpc_exec_ctx *exec_ctx,
-                                  grpc_call_element *elem) {
-  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
-}
-
-/* Constructor for channel_data */
-static void cuc_init_channel_elem(grpc_exec_ctx *exec_ctx,
-                                  grpc_channel_element *elem,
-                                  grpc_channel_element_args *args) {
-  channel_data *chand = elem->channel_data;
-  memset(chand, 0, sizeof(*chand));
-  grpc_closure_init(&chand->connectivity_cb, monitor_subchannel, chand);
-  GPR_ASSERT(args->is_last);
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  chand->owning_stack = args->channel_stack;
-  grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
-                               "client_uchannel");
-  gpr_mu_init(&chand->mu_state);
-}
-
-/* Destructor for channel_data */
-static void cuc_destroy_channel_elem(grpc_exec_ctx *exec_ctx,
-                                     grpc_channel_element *elem) {
-  channel_data *chand = elem->channel_data;
-  /* cancel subscription */
-  grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, chand->connected_subchannel, NULL, NULL,
-      &chand->connectivity_cb);
-  grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
-  gpr_mu_destroy(&chand->mu_state);
-  GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, chand->connected_subchannel,
-                                  "uchannel");
-}
-
-static void cuc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                            grpc_pollset *pollset) {
-  call_data *calld = elem->call_data;
-  calld->pollset = pollset;
-}
-
-const grpc_channel_filter grpc_client_uchannel_filter = {
-    cuc_start_transport_stream_op, cuc_start_transport_op, sizeof(call_data),
-    cuc_init_call_elem, cuc_set_pollset, cuc_destroy_call_elem,
-    sizeof(channel_data), cuc_init_channel_elem, cuc_destroy_channel_elem,
-    cuc_get_peer, "client-uchannel",
-};
-
-grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect) {
-  channel_data *chand = elem->channel_data;
-  grpc_connectivity_state out;
-  gpr_mu_lock(&chand->mu_state);
-  out = grpc_connectivity_state_check(&chand->state_tracker);
-  gpr_mu_unlock(&chand->mu_state);
-  return out;
-}
-
-void grpc_client_uchannel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete) {
-  channel_data *chand = elem->channel_data;
-  gpr_mu_lock(&chand->mu_state);
-  grpc_connectivity_state_notify_on_state_change(
-      exec_ctx, &chand->state_tracker, state, on_complete);
-  gpr_mu_unlock(&chand->mu_state);
-}
-
-grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
-                                          grpc_channel_args *args) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
-
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_uchannel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, NULL, filters, n, args, 1);
-
-  return channel;
-}
-
-void grpc_client_uchannel_set_connected_subchannel(
-    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel) {
-  grpc_channel_element *elem =
-      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(uchannel));
-  channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  gpr_mu_lock(&chand->mu_state);
-  chand->connected_subchannel = connected_subchannel;
-  GRPC_CONNECTED_SUBCHANNEL_REF(connected_subchannel, "uchannel");
-  gpr_mu_unlock(&chand->mu_state);
-}
diff --git a/src/core/channel/client_uchannel.h b/src/core/channel/client_uchannel.h
deleted file mode 100644
index 92a831493c..0000000000
--- a/src/core/channel/client_uchannel.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
-
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/resolver.h"
-
-#define GRPC_MICROCHANNEL_SUBCHANNEL_ARG "grpc.microchannel_subchannel_key"
-
-/* A client microchannel (aka uchannel) is a channel wrapping a subchannel, for
- * the purposes of lightweight RPC communications from within the core.*/
-
-extern const grpc_channel_filter grpc_client_uchannel_filter;
-
-grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
-
-void grpc_client_uchannel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete);
-
-grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
-                                          grpc_channel_args *args);
-
-void grpc_client_uchannel_set_connected_subchannel(
-    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel);
-
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H */
diff --git a/src/core/census/README.md b/src/core/ext/census/README.md
index fb615a2194..fb615a2194 100644
--- a/src/core/census/README.md
+++ b/src/core/ext/census/README.md
diff --git a/src/core/census/aggregation.h b/src/core/ext/census/aggregation.h
index e9bc6ada96..45f789c772 100644
--- a/src/core/census/aggregation.h
+++ b/src/core/ext/census/aggregation.h
@@ -33,8 +33,8 @@
 
 #include <stddef.h>
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H
-#define GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H
+#ifndef GRPC_CORE_EXT_CENSUS_AGGREGATION_H
+#define GRPC_CORE_EXT_CENSUS_AGGREGATION_H
 
 /** Structure used to describe an aggregation type. */
 struct census_aggregation_ops {
@@ -63,4 +63,4 @@ struct census_aggregation_ops {
   size_t (*print)(const void *aggregation, char *buffer, size_t n);
 };
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H */
+#endif /* GRPC_CORE_EXT_CENSUS_AGGREGATION_H */
diff --git a/src/core/statistics/census_init.c b/src/core/ext/census/census_init.c
index b6a962f228..690b09e789 100644
--- a/src/core/statistics/census_init.c
+++ b/src/core/ext/census/census_init.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/statistics/census_interface.h"
+#include "src/core/ext/census/census_interface.h"
 
 #include <grpc/support/log.h>
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/census_tracing.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
 
 void census_init(void) {
   census_tracing_init();
diff --git a/src/core/statistics/census_interface.h b/src/core/ext/census/census_interface.h
index c43acbd317..57e75f56ee 100644
--- a/src/core/statistics/census_interface.h
+++ b/src/core/ext/census/census_interface.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H
 
 #include <grpc/support/port_platform.h>
 
@@ -73,4 +73,4 @@ census_op_id census_tracing_start_op(void);
 /* Ends tracing. Calling this function will invalidate the input op_id. */
 void census_tracing_end_op(census_op_id op_id);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H */
diff --git a/src/core/statistics/census_log.c b/src/core/ext/census/census_log.c
index 257ba586a3..9a7331adc2 100644
--- a/src/core/statistics/census_log.c
+++ b/src/core/ext/census/census_log.c
@@ -89,8 +89,7 @@
    include the name of the structure, which will be passed as the first
    argument. E.g. cl_block_initialize() will initialize a cl_block.
 */
-#include "src/core/statistics/census_log.h"
-#include <string.h>
+#include "src/core/ext/census/census_log.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/cpu.h>
@@ -98,6 +97,7 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
+#include <string.h>
 
 /* End of platform specific code */
 
diff --git a/src/core/statistics/census_log.h b/src/core/ext/census/census_log.h
index 356437c346..534ecc5705 100644
--- a/src/core/statistics/census_log.h
+++ b/src/core/ext/census/census_log.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H
 
 #include <stddef.h>
 
@@ -88,4 +88,4 @@ size_t census_log_remaining_space(void);
    out-of-space. */
 int census_log_out_of_space_count(void);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H */
diff --git a/src/core/statistics/census_rpc_stats.c b/src/core/ext/census/census_rpc_stats.c
index 524a60793a..09ee12d54b 100644
--- a/src/core/statistics/census_rpc_stats.c
+++ b/src/core/ext/census/census_rpc_stats.c
@@ -33,16 +33,16 @@
 
 #include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/hash_table.h"
-#include "src/core/statistics/census_tracing.h"
-#include "src/core/statistics/window_stats.h"
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/hash_table.h"
+#include "src/core/ext/census/window_stats.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
 
 #define NUM_INTERVALS 3
 #define MINUTE_INTERVAL 0
@@ -85,8 +85,8 @@ static void delete_key(void *key) { gpr_free(key); }
 
 static const census_ht_option ht_opt = {
     CENSUS_HT_POINTER /* key type */, 1999 /* n_of_buckets */,
-    simple_hash /* hash function */, cmp_str_keys /* key comparator */,
-    delete_stats /* data deleter */, delete_key /* key deleter */
+    simple_hash /* hash function */,  cmp_str_keys /* key comparator */,
+    delete_stats /* data deleter */,  delete_key /* key deleter */
 };
 
 static void init_rpc_stats(void *stats) {
diff --git a/src/core/statistics/census_rpc_stats.h b/src/core/ext/census/census_rpc_stats.h
index 8bdbc49490..7e4d8d1640 100644
--- a/src/core/statistics/census_rpc_stats.h
+++ b/src/core/ext/census/census_rpc_stats.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H
 
-#include "src/core/statistics/census_interface.h"
 #include <grpc/support/port_platform.h>
+#include "src/core/ext/census/census_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -98,4 +98,4 @@ void census_stats_store_shutdown(void);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H */
diff --git a/src/core/statistics/census_tracing.c b/src/core/ext/census/census_tracing.c
index dc0f8a26f5..f893dc9864 100644
--- a/src/core/statistics/census_tracing.c
+++ b/src/core/ext/census/census_tracing.c
@@ -31,18 +31,18 @@
  *
  */
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_tracing.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/census_interface.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/statistics/hash_table.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
+#include "src/core/ext/census/hash_table.h"
+#include "src/core/lib/support/string.h"
 
 void census_trace_obj_destroy(census_trace_obj *obj) {
   census_trace_annotation *p = obj->annotations;
@@ -60,8 +60,11 @@ static void delete_trace_obj(void *obj) {
 }
 
 static const census_ht_option ht_opt = {
-    CENSUS_HT_UINT64 /* key type */, 571 /* n_of_buckets */, NULL /* hash */,
-    NULL /* compare_keys */, delete_trace_obj /* delete data */,
+    CENSUS_HT_UINT64 /* key type */,
+    571 /* n_of_buckets */,
+    NULL /* hash */,
+    NULL /* compare_keys */,
+    delete_trace_obj /* delete data */,
     NULL /* delete key */
 };
 
diff --git a/src/core/statistics/census_tracing.h b/src/core/ext/census/census_tracing.h
index bb3f2556d2..42a0d7403e 100644
--- a/src/core/statistics/census_tracing.h
+++ b/src/core/ext/census/census_tracing.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H
 
 #include <grpc/support/time.h>
-#include "src/core/statistics/census_rpc_stats.h"
+#include "src/core/ext/census/census_rpc_stats.h"
 
 /* WARNING: The data structures and APIs provided by this file are for GRPC
    library's internal use ONLY. They might be changed in backward-incompatible
@@ -93,4 +93,4 @@ census_trace_obj **census_get_active_ops(int *num_active_ops);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H */
diff --git a/src/core/census/context.c b/src/core/ext/census/context.c
index e60330de64..0dfc4ecbf1 100644
--- a/src/core/census/context.c
+++ b/src/core/ext/census/context.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@
 #include <grpc/support/useful.h>
 #include <stdbool.h>
 #include <string.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 // Functions in this file support the public context API, including
 // encoding/decoding as part of context propagation across RPC's. The overall
@@ -60,10 +60,10 @@
 //   limit of 255 for both CENSUS_MAX_TAG_KV_LEN and CENSUS_MAX_PROPAGATED_TAGS.
 // * Keep all tag information (keys/values/flags) in a single memory buffer,
 //   that can be directly copied to the wire.
-// * Binary tags share the same structure as, but are encoded separately from,
-//   non-binary tags. This is primarily because non-binary tags are far more
-//   likely to be repeated across multiple RPC calls, so are more efficiently
-//   cached and compressed in any metadata schemes.
+
+// min and max valid chars in tag keys and values. All printable ASCII is OK.
+#define MIN_VALID_TAG_CHAR 32   // ' '
+#define MAX_VALID_TAG_CHAR 126  // '~'
 
 // Structure representing a set of tags. Essentially a count of number of tags
 // present, and pointer to a chunk of memory that contains the per-tag details.
@@ -77,7 +77,7 @@ struct tag_set {
   char *kvm;        // key/value memory. Consists of repeated entries of:
   //   Offset  Size  Description
   //     0      1    Key length, including trailing 0. (K)
-  //     1      1    Value length. (V)
+  //     1      1    Value length, including trailing 0 (V)
   //     2      1    Flags
   //     3      K    Key bytes
   //     3 + K  V    Value bytes
@@ -108,19 +108,36 @@ struct raw_tag {
 #define CENSUS_TAG_DELETED CENSUS_TAG_RESERVED
 #define CENSUS_TAG_IS_DELETED(flags) (flags & CENSUS_TAG_DELETED)
 
-// Primary (external) representation of a context. Composed of 3 underlying
-// tag_set structs, one for each of the binary/printable propagated tags, and
-// one for everything else. This is to efficiently support tag
-// encoding/decoding.
+// Primary representation of a context. Composed of 2 underlying tag_set
+// structs, one each for propagated and local (non-propagated) tags. This is
+// to efficiently support tag encoding/decoding.
+// TODO(aveitch): need to add tracing id's/structure.
 struct census_context {
-  struct tag_set tags[3];
+  struct tag_set tags[2];
   census_context_status status;
 };
 
 // Indices into the tags member of census_context
 #define PROPAGATED_TAGS 0
-#define PROPAGATED_BINARY_TAGS 1
-#define LOCAL_TAGS 2
+#define LOCAL_TAGS 1
+
+// Validate (check all characters are in range and size is less than limit) a
+// key or value string. Returns 0 if the string is invalid, or the length
+// (including terminator) if valid.
+static size_t validate_tag(const char *kv) {
+  size_t len = 1;
+  char ch;
+  while ((ch = *kv++) != 0) {
+    if (ch < MIN_VALID_TAG_CHAR || ch > MAX_VALID_TAG_CHAR) {
+      return 0;
+    }
+    len++;
+  }
+  if (len > CENSUS_MAX_TAG_KV_LEN) {
+    return 0;
+  }
+  return len;
+}
 
 // Extract a raw tag given a pointer (raw) to the tag header. Allow for some
 // extra bytes in the tag header (see encode/decode functions for usage: this
@@ -166,9 +183,7 @@ static bool context_delete_tag(census_context *context, const census_tag *tag,
                                size_t key_len) {
   return (
       tag_set_delete_tag(&context->tags[LOCAL_TAGS], tag->key, key_len) ||
-      tag_set_delete_tag(&context->tags[PROPAGATED_TAGS], tag->key, key_len) ||
-      tag_set_delete_tag(&context->tags[PROPAGATED_BINARY_TAGS], tag->key,
-                         key_len));
+      tag_set_delete_tag(&context->tags[PROPAGATED_TAGS], tag->key, key_len));
 }
 
 // Add a tag to a tag_set. Return true on success, false if the tag could
@@ -176,11 +191,11 @@ static bool context_delete_tag(census_context *context, const census_tag *tag,
 // not be called if the tag may already exist (in a non-deleted state) in
 // the tag_set, as that would result in two tags with the same key.
 static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag,
-                            size_t key_len) {
+                            size_t key_len, size_t value_len) {
   if (tags->ntags == CENSUS_MAX_PROPAGATED_TAGS) {
     return false;
   }
-  const size_t tag_size = key_len + tag->value_len + TAG_HEADER_SIZE;
+  const size_t tag_size = key_len + value_len + TAG_HEADER_SIZE;
   if (tags->kvm_used + tag_size > tags->kvm_size) {
     // allocate new memory if needed
     tags->kvm_size += 2 * CENSUS_MAX_TAG_KV_LEN + TAG_HEADER_SIZE;
@@ -191,13 +206,12 @@ static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag,
   }
   char *kvp = tags->kvm + tags->kvm_used;
   *kvp++ = (char)key_len;
-  *kvp++ = (char)tag->value_len;
+  *kvp++ = (char)value_len;
   // ensure reserved flags are not used.
-  *kvp++ = (char)(tag->flags & (CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS |
-                                CENSUS_TAG_BINARY));
+  *kvp++ = (char)(tag->flags & (CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS));
   memcpy(kvp, tag->key, key_len);
   kvp += key_len;
-  memcpy(kvp, tag->value, tag->value_len);
+  memcpy(kvp, tag->value, value_len);
   tags->kvm_used += tag_size;
   tags->ntags++;
   tags->ntags_alloc++;
@@ -207,30 +221,20 @@ static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag,
 // Add/modify/delete a tag to/in a context. Caller must validate that tag key
 // etc. are valid.
 static void context_modify_tag(census_context *context, const census_tag *tag,
-                               size_t key_len) {
+                               size_t key_len, size_t value_len) {
   // First delete the tag if it is already present.
   bool deleted = context_delete_tag(context, tag, key_len);
-  // Determine if we need to add it back.
-  bool call_add = tag->value != NULL && tag->value_len != 0;
   bool added = false;
-  if (call_add) {
-    if (CENSUS_TAG_IS_PROPAGATED(tag->flags)) {
-      if (CENSUS_TAG_IS_BINARY(tag->flags)) {
-        added = tag_set_add_tag(&context->tags[PROPAGATED_BINARY_TAGS], tag,
-                                key_len);
-      } else {
-        added = tag_set_add_tag(&context->tags[PROPAGATED_TAGS], tag, key_len);
-      }
-    } else {
-      added = tag_set_add_tag(&context->tags[LOCAL_TAGS], tag, key_len);
-    }
+  if (CENSUS_TAG_IS_PROPAGATED(tag->flags)) {
+    added = tag_set_add_tag(&context->tags[PROPAGATED_TAGS], tag, key_len,
+                            value_len);
+  } else {
+    added =
+        tag_set_add_tag(&context->tags[LOCAL_TAGS], tag, key_len, value_len);
   }
+
   if (deleted) {
-    if (call_add) {
-      context->status.n_modified_tags++;
-    } else {
-      context->status.n_deleted_tags++;
-    }
+    context->status.n_modified_tags++;
   } else {
     if (added) {
       context->status.n_added_tags++;
@@ -292,8 +296,6 @@ census_context *census_context_create(const census_context *base,
     memset(context, 0, sizeof(census_context));
   } else {
     tag_set_copy(&context->tags[PROPAGATED_TAGS], &base->tags[PROPAGATED_TAGS]);
-    tag_set_copy(&context->tags[PROPAGATED_BINARY_TAGS],
-                 &base->tags[PROPAGATED_BINARY_TAGS]);
     tag_set_copy(&context->tags[LOCAL_TAGS], &base->tags[LOCAL_TAGS]);
     memset(&context->status, 0, sizeof(context->status));
   }
@@ -301,22 +303,29 @@ census_context *census_context_create(const census_context *base,
   // the context to add/replace/delete as required.
   for (int i = 0; i < ntags; i++) {
     const census_tag *tag = &tags[i];
-    size_t key_len = strlen(tag->key) + 1;
-    // ignore the tag if it is too long/short.
-    if (key_len != 1 && key_len <= CENSUS_MAX_TAG_KV_LEN &&
-        tag->value_len <= CENSUS_MAX_TAG_KV_LEN) {
-      context_modify_tag(context, tag, key_len);
-    } else {
+    size_t key_len = validate_tag(tag->key);
+    // ignore the tag if it is invalid or too short.
+    if (key_len <= 1) {
       context->status.n_invalid_tags++;
+    } else {
+      if (tag->value != NULL) {
+        size_t value_len = validate_tag(tag->value);
+        if (value_len != 0) {
+          context_modify_tag(context, tag, key_len, value_len);
+        } else {
+          context->status.n_invalid_tags++;
+        }
+      } else {
+        if (context_delete_tag(context, tag, key_len)) {
+          context->status.n_deleted_tags++;
+        }
+      }
     }
   }
   // Remove any deleted tags, update status if needed, and return.
   tag_set_flatten(&context->tags[PROPAGATED_TAGS]);
-  tag_set_flatten(&context->tags[PROPAGATED_BINARY_TAGS]);
   tag_set_flatten(&context->tags[LOCAL_TAGS]);
   context->status.n_propagated_tags = context->tags[PROPAGATED_TAGS].ntags;
-  context->status.n_propagated_binary_tags =
-      context->tags[PROPAGATED_BINARY_TAGS].ntags;
   context->status.n_local_tags = context->tags[LOCAL_TAGS].ntags;
   if (status) {
     *status = &context->status;
@@ -331,7 +340,6 @@ const census_context_status *census_context_get_status(
 
 void census_context_destroy(census_context *context) {
   gpr_free(context->tags[PROPAGATED_TAGS].kvm);
-  gpr_free(context->tags[PROPAGATED_BINARY_TAGS].kvm);
   gpr_free(context->tags[LOCAL_TAGS].kvm);
   gpr_free(context);
 }
@@ -343,9 +351,6 @@ void census_context_initialize_iterator(const census_context *context,
   if (context->tags[PROPAGATED_TAGS].ntags != 0) {
     iterator->base = PROPAGATED_TAGS;
     iterator->kvm = context->tags[PROPAGATED_TAGS].kvm;
-  } else if (context->tags[PROPAGATED_BINARY_TAGS].ntags != 0) {
-    iterator->base = PROPAGATED_BINARY_TAGS;
-    iterator->kvm = context->tags[PROPAGATED_BINARY_TAGS].kvm;
   } else if (context->tags[LOCAL_TAGS].ntags != 0) {
     iterator->base = LOCAL_TAGS;
     iterator->kvm = context->tags[LOCAL_TAGS].kvm;
@@ -363,7 +368,6 @@ int census_context_next_tag(census_context_iterator *iterator,
   iterator->kvm = decode_tag(&raw, iterator->kvm, 0);
   tag->key = raw.key;
   tag->value = raw.value;
-  tag->value_len = raw.value_len;
   tag->flags = raw.flags;
   if (++iterator->index == iterator->context->tags[iterator->base].ntags) {
     do {
@@ -388,7 +392,6 @@ static bool tag_set_get_tag(const struct tag_set *tags, const char *key,
     if (key_len == raw.key_len && memcmp(raw.key, key, key_len) == 0) {
       tag->key = raw.key;
       tag->value = raw.value;
-      tag->value_len = raw.value_len;
       tag->flags = raw.flags;
       return true;
     }
@@ -403,8 +406,6 @@ int census_context_get_tag(const census_context *context, const char *key,
     return 0;
   }
   if (tag_set_get_tag(&context->tags[PROPAGATED_TAGS], key, key_len, tag) ||
-      tag_set_get_tag(&context->tags[PROPAGATED_BINARY_TAGS], key, key_len,
-                      tag) ||
       tag_set_get_tag(&context->tags[LOCAL_TAGS], key, key_len, tag)) {
     return 1;
   }
@@ -447,21 +448,9 @@ static size_t tag_set_encode(const struct tag_set *tags, char *buffer,
   return ENCODED_HEADER_SIZE + tags->kvm_used;
 }
 
-char *census_context_encode(const census_context *context, char *buffer,
-                            size_t buf_size, size_t *print_buf_size,
-                            size_t *bin_buf_size) {
-  *print_buf_size =
-      tag_set_encode(&context->tags[PROPAGATED_TAGS], buffer, buf_size);
-  if (*print_buf_size == 0) {
-    return NULL;
-  }
-  char *b_buffer = buffer + *print_buf_size;
-  *bin_buf_size = tag_set_encode(&context->tags[PROPAGATED_BINARY_TAGS],
-                                 b_buffer, buf_size - *print_buf_size);
-  if (*bin_buf_size == 0) {
-    return NULL;
-  }
-  return b_buffer;
+size_t census_context_encode(const census_context *context, char *buffer,
+                             size_t buf_size) {
+  return tag_set_encode(&context->tags[PROPAGATED_TAGS], buffer, buf_size);
 }
 
 // Decode a tag set.
@@ -506,8 +495,7 @@ static void tag_set_decode(struct tag_set *tags, const char *buffer,
   }
 }
 
-census_context *census_context_decode(const char *buffer, size_t size,
-                                      const char *bin_buffer, size_t bin_size) {
+census_context *census_context_decode(const char *buffer, size_t size) {
   census_context *context = gpr_malloc(sizeof(census_context));
   memset(&context->tags[LOCAL_TAGS], 0, sizeof(struct tag_set));
   if (buffer == NULL) {
@@ -515,16 +503,7 @@ census_context *census_context_decode(const char *buffer, size_t size,
   } else {
     tag_set_decode(&context->tags[PROPAGATED_TAGS], buffer, size);
   }
-  if (bin_buffer == NULL) {
-    memset(&context->tags[PROPAGATED_BINARY_TAGS], 0, sizeof(struct tag_set));
-  } else {
-    tag_set_decode(&context->tags[PROPAGATED_BINARY_TAGS], bin_buffer,
-                   bin_size);
-  }
   memset(&context->status, 0, sizeof(context->status));
   context->status.n_propagated_tags = context->tags[PROPAGATED_TAGS].ntags;
-  context->status.n_propagated_binary_tags =
-      context->tags[PROPAGATED_BINARY_TAGS].ntags;
-  // TODO(aveitch): check that BINARY flag is correct for each type.
   return context;
 }
diff --git a/src/core/census/grpc_context.c b/src/core/ext/census/grpc_context.c
index 4b61382a2c..98285ab2d5 100644
--- a/src/core/census/grpc_context.c
+++ b/src/core/ext/census/grpc_context.c
@@ -33,8 +33,8 @@
 
 #include <grpc/census.h>
 #include <grpc/grpc.h>
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
 
 void grpc_census_call_set_context(grpc_call *call, census_context *context) {
   GRPC_API_TRACE("grpc_census_call_set_context(call=%p, census_context=%p)", 2,
diff --git a/src/core/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c
index c8aaf31e2d..abfb3bb5f0 100644
--- a/src/core/census/grpc_filter.c
+++ b/src/core/ext/census/grpc_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/census/grpc_filter.h"
+#include "src/core/ext/census/grpc_filter.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -42,10 +42,10 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   census_op_id op_id;
@@ -172,13 +172,27 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 }
 
 const grpc_channel_filter grpc_client_census_filter = {
-    client_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    client_init_call_elem, grpc_call_stack_ignore_set_pollset,
-    client_destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "census-client"};
+    client_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    client_init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    client_destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "census-client"};
 
 const grpc_channel_filter grpc_server_census_filter = {
-    server_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    server_init_call_elem, grpc_call_stack_ignore_set_pollset,
-    server_destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "census-server"};
+    server_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    server_init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    server_destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "census-server"};
diff --git a/src/core/census/grpc_filter.h b/src/core/ext/census/grpc_filter.h
index b3de3adc94..a39bd82224 100644
--- a/src/core/census/grpc_filter.h
+++ b/src/core/ext/census/grpc_filter.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H
-#define GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H
+#ifndef GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H
+#define GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Census filters: provides tracing and stats collection functionalities. It
    needs to reside right below the surface filter in the channel stack. */
 extern const grpc_channel_filter grpc_client_census_filter;
 extern const grpc_channel_filter grpc_server_census_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H */
+#endif /* GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H */
diff --git a/src/core/ext/census/grpc_plugin.c b/src/core/ext/census/grpc_plugin.c
new file mode 100644
index 0000000000..e43ceafd0c
--- /dev/null
+++ b/src/core/ext/census/grpc_plugin.c
@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <string.h>
+
+#include <grpc/census.h>
+
+#include "src/core/ext/census/grpc_filter.h"
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+
+static bool is_census_enabled(const grpc_channel_args *a) {
+  size_t i;
+  if (a == NULL) return 0;
+  for (i = 0; i < a->num_args; i++) {
+    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
+      return a->args[i].value.integer != 0 && census_enabled();
+    }
+  }
+  return census_enabled();
+}
+
+static bool maybe_add_census_filter(grpc_channel_stack_builder *builder,
+                                    void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (is_census_enabled(args)) {
+    return grpc_channel_stack_builder_prepend_filter(
+        builder, (const grpc_channel_filter *)arg, NULL, NULL);
+  }
+  return true;
+}
+
+void census_grpc_plugin_init(void) {
+  /* Only initialize census if no one else has and some features are
+   * available. */
+  if (census_enabled() == CENSUS_FEATURE_NONE &&
+      census_supported() != CENSUS_FEATURE_NONE) {
+    if (census_initialize(census_supported())) { /* enable all features. */
+      gpr_log(GPR_ERROR, "Could not initialize census.");
+    }
+  }
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX,
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_client_census_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_server_census_filter);
+}
+
+void census_grpc_plugin_shutdown(void) { census_shutdown(); }
diff --git a/src/core/statistics/hash_table.c b/src/core/ext/census/hash_table.c
index 0cadcd4740..ee6fdfc6e8 100644
--- a/src/core/statistics/hash_table.c
+++ b/src/core/ext/census/hash_table.c
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/statistics/hash_table.h"
+#include "src/core/ext/census/hash_table.h"
 
-#include <stdio.h>
 #include <stddef.h>
+#include <stdio.h>
 
-#include <grpc/support/log.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
 #define CENSUS_HT_NUM_BUCKETS 1999
diff --git a/src/core/statistics/hash_table.h b/src/core/ext/census/hash_table.h
index d9860a909f..30ea4264a2 100644
--- a/src/core/statistics/hash_table.h
+++ b/src/core/ext/census/hash_table.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H
-#define GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H
+#ifndef GRPC_CORE_EXT_CENSUS_HASH_TABLE_H
+#define GRPC_CORE_EXT_CENSUS_HASH_TABLE_H
 
 #include <stddef.h>
 
@@ -128,4 +128,4 @@ typedef void (*census_ht_itr_cb)(census_ht_key key, const void *val_ptr,
    should not invalidate data entries. */
 uint64_t census_ht_for_all(const census_ht *ht, census_ht_itr_cb);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H */
+#endif /* GRPC_CORE_EXT_CENSUS_HASH_TABLE_H */
diff --git a/src/core/census/initialize.c b/src/core/ext/census/initialize.c
index ce7ec09b89..896276e44a 100644
--- a/src/core/census/initialize.c
+++ b/src/core/ext/census/initialize.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/census/log.c b/src/core/ext/census/mlog.c
index 91b26941b8..698b7096ab 100644
--- a/src/core/census/log.c
+++ b/src/core/ext/census/mlog.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,7 +88,7 @@
 // include the name of the structure, which will be passed as the first
 // argument. E.g. cl_block_initialize() will initialize a cl_block.
 
-#include "src/core/census/log.h"
+#include "src/core/ext/census/mlog.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/cpu.h>
diff --git a/src/core/census/log.h b/src/core/ext/census/mlog.h
index 05daea066f..a256426f91 100644
--- a/src/core/census/log.h
+++ b/src/core/ext/census/mlog.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_LOG_H
-#define GRPC_INTERNAL_CORE_CENSUS_LOG_H
+/* A very fast in-memory log, optimized for multiple writers. */
+
+#ifndef GRPC_CORE_EXT_CENSUS_MLOG_H
+#define GRPC_CORE_EXT_CENSUS_MLOG_H
 
 #include <grpc/support/port_platform.h>
 #include <stddef.h>
@@ -90,4 +92,4 @@ size_t census_log_remaining_space(void);
    out-of-space. */
 int64_t census_log_out_of_space_count(void);
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_LOG_H */
+#endif /* GRPC_CORE_EXT_CENSUS_MLOG_H */
diff --git a/src/core/census/operation.c b/src/core/ext/census/operation.c
index 5c58704372..5c58704372 100644
--- a/src/core/census/operation.c
+++ b/src/core/ext/census/operation.c
diff --git a/src/core/census/placeholders.c b/src/core/ext/census/placeholders.c
index fe23d13971..fe23d13971 100644
--- a/src/core/census/placeholders.c
+++ b/src/core/ext/census/placeholders.c
diff --git a/src/core/census/rpc_metric_id.h b/src/core/ext/census/rpc_metric_id.h
index f199839511..888ec500a7 100644
--- a/src/core/census/rpc_metric_id.h
+++ b/src/core/ext/census/rpc_metric_id.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef CENSUS_RPC_METRIC_ID_H
-#define CENSUS_RPC_METRIC_ID_H
+#ifndef GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H
+#define GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H
 
 /* Metric ID's used for RPC measurements. */
 /* Count of client requests sent. */
@@ -48,4 +48,4 @@
 /* Server side request latency. */
 #define CENSUS_METRIC_RPC_SERVER_LATENCY ((uint32_t)5)
 
-#endif /* CENSUS_RPC_METRIC_ID_H */
+#endif /* GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H */
diff --git a/src/core/census/tracing.c b/src/core/ext/census/tracing.c
index 3b5d6dab2b..3b5d6dab2b 100644
--- a/src/core/census/tracing.c
+++ b/src/core/ext/census/tracing.c
diff --git a/src/core/statistics/window_stats.c b/src/core/ext/census/window_stats.c
index 3f2940853a..5f7bd9952e 100644
--- a/src/core/statistics/window_stats.c
+++ b/src/core/ext/census/window_stats.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/statistics/window_stats.h"
-#include <math.h>
-#include <stddef.h>
-#include <string.h>
+#include "src/core/ext/census/window_stats.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include <math.h>
+#include <stddef.h>
+#include <string.h>
 
 /* typedefs make typing long names easier. Use cws (for census_window_stats) */
 typedef census_window_stats_stat_info cws_stat_info;
diff --git a/src/core/statistics/window_stats.h b/src/core/ext/census/window_stats.h
index f4732e96a0..25658c9ce0 100644
--- a/src/core/statistics/window_stats.h
+++ b/src/core/ext/census/window_stats.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H
-#define GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H
+#ifndef GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H
+#define GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H
 
 #include <grpc/support/time.h>
 
@@ -170,4 +170,4 @@ void census_window_stats_get_sums(const struct census_window_stats *wstats,
    assertion failure). This function is thread-compatible. */
 void census_window_stats_destroy(struct census_window_stats *wstats);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H */
+#endif /* GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H */
diff --git a/src/core/client_config/README.md b/src/core/ext/client_config/README.md
index fff7a5af5b..7024fd540d 100644
--- a/src/core/client_config/README.md
+++ b/src/core/ext/client_config/README.md
@@ -40,7 +40,7 @@ decisions (for example, by avoiding disconnected backends).
 Configured sub-channels are fully setup to participate in the grpc data plane.
 Their behavior is specified by a set of grpc channel filters defined at their
 construction. To customize this behavior, resolvers build
-grpc_subchannel_factory objects, which use the decorator pattern to customize
+grpc_client_channel_factory objects, which use the decorator pattern to customize
 construction arguments for concrete grpc_subchannel instances.
 
 
diff --git a/src/core/surface/channel_connectivity.c b/src/core/ext/client_config/channel_connectivity.c
index 2dd4fce26b..3ebc333608 100644
--- a/src/core/surface/channel_connectivity.c
+++ b/src/core/ext/client_config/channel_connectivity.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,15 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/client_uchannel.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 grpc_connectivity_state grpc_channel_check_connectivity_state(
     grpc_channel *channel, int try_to_connect) {
@@ -58,12 +57,6 @@ grpc_connectivity_state grpc_channel_check_connectivity_state(
     grpc_exec_ctx_finish(&exec_ctx);
     return state;
   }
-  if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    state = grpc_client_uchannel_check_connectivity_state(
-        &exec_ctx, client_channel_elem, try_to_connect);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return state;
-  }
   gpr_log(GPR_ERROR,
           "grpc_channel_check_connectivity_state called on something that is "
           "not a (u)client channel, but '%s'",
@@ -98,9 +91,6 @@ static void delete_state_watcher(grpc_exec_ctx *exec_ctx, state_watcher *w) {
   if (client_channel_elem->filter == &grpc_client_channel_filter) {
     GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
                                 "watch_channel_connectivity");
-  } else if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
-                                "watch_uchannel_connectivity");
   } else {
     abort();
   }
@@ -209,11 +199,8 @@ void grpc_channel_watch_connectivity_state(
     grpc_client_channel_watch_connectivity_state(&exec_ctx, client_channel_elem,
                                                  grpc_cq_pollset(cq), &w->state,
                                                  &w->on_complete);
-  } else if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    GRPC_CHANNEL_INTERNAL_REF(channel, "watch_uchannel_connectivity");
-    grpc_client_uchannel_watch_connectivity_state(
-        &exec_ctx, client_channel_elem, grpc_cq_pollset(cq), &w->state,
-        &w->on_complete);
+  } else {
+    abort();
   }
 
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/src/core/channel/client_channel.c b/src/core/ext/client_config/client_channel.c
index 7176c01b05..93d54fdcfe 100644
--- a/src/core/channel/client_channel.c
+++ b/src/core/ext/client_config/client_channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/client_channel.h"
+#include "src/core/ext/client_config/client_channel.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -41,14 +41,14 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/subchannel_call_holder.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/subchannel_call_holder.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /* Client channel implementation */
 
@@ -78,8 +78,8 @@ typedef struct client_channel_channel_data {
   int exit_idle_when_lb_policy_arrives;
   /** owning stack */
   grpc_channel_stack *owning_stack;
-  /** interested parties */
-  grpc_pollset_set interested_parties;
+  /** interested parties (owned) */
+  grpc_pollset_set *interested_parties;
 } channel_data;
 
 /** We create one watcher for each new lb_policy that is returned from a
@@ -114,6 +114,22 @@ static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
                             grpc_lb_policy *lb_policy,
                             grpc_connectivity_state current_state);
 
+static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx,
+                                                  channel_data *chand,
+                                                  grpc_connectivity_state state,
+                                                  const char *reason) {
+  if ((state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
+       state == GRPC_CHANNEL_FATAL_FAILURE) &&
+      chand->lb_policy != NULL) {
+    /* cancel fail-fast picks */
+    grpc_lb_policy_cancel_picks(
+        exec_ctx, chand->lb_policy,
+        /* mask= */ GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY,
+        /* check= */ 0);
+  }
+  grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state, reason);
+}
+
 static void on_lb_policy_state_changed_locked(
     grpc_exec_ctx *exec_ctx, lb_policy_connectivity_watcher *w) {
   grpc_connectivity_state publish_state = w->state;
@@ -127,8 +143,8 @@ static void on_lb_policy_state_changed_locked(
     GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel");
     w->chand->lb_policy = NULL;
   }
-  grpc_connectivity_state_set(exec_ctx, &w->chand->state_tracker, publish_state,
-                              "lb_changed");
+  set_channel_connectivity_state_locked(exec_ctx, w->chand, publish_state,
+                                        "lb_changed");
   if (w->state != GRPC_CHANNEL_FATAL_FAILURE) {
     watch_lb_policy(exec_ctx, w->chand, w->lb_policy, w->state);
   }
@@ -165,7 +181,6 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   channel_data *chand = arg;
   grpc_lb_policy *lb_policy = NULL;
   grpc_lb_policy *old_lb_policy;
-  grpc_resolver *old_resolver;
   grpc_connectivity_state state = GRPC_CHANNEL_TRANSIENT_FAILURE;
   int exit_idle = 0;
 
@@ -183,8 +198,8 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   chand->incoming_configuration = NULL;
 
   if (lb_policy != NULL) {
-    grpc_pollset_set_add_pollset_set(exec_ctx, &lb_policy->interested_parties,
-                                     &chand->interested_parties);
+    grpc_pollset_set_add_pollset_set(exec_ctx, lb_policy->interested_parties,
+                                     chand->interested_parties);
   }
 
   gpr_mu_lock(&chand->mu_config);
@@ -201,28 +216,25 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   }
 
   if (iomgr_success && chand->resolver) {
-    grpc_resolver *resolver = chand->resolver;
-    GRPC_RESOLVER_REF(resolver, "channel-next");
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state,
-                                "new_lb+resolver");
+    set_channel_connectivity_state_locked(exec_ctx, chand, state,
+                                          "new_lb+resolver");
     if (lb_policy != NULL) {
       watch_lb_policy(exec_ctx, chand, lb_policy, state);
     }
-    gpr_mu_unlock(&chand->mu_config);
     GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
-    grpc_resolver_next(exec_ctx, resolver, &chand->incoming_configuration,
+    grpc_resolver_next(exec_ctx, chand->resolver,
+                       &chand->incoming_configuration,
                        &chand->on_config_changed);
-    GRPC_RESOLVER_UNREF(exec_ctx, resolver, "channel-next");
-  } else {
-    old_resolver = chand->resolver;
-    chand->resolver = NULL;
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
     gpr_mu_unlock(&chand->mu_config);
-    if (old_resolver != NULL) {
-      grpc_resolver_shutdown(exec_ctx, old_resolver);
-      GRPC_RESOLVER_UNREF(exec_ctx, old_resolver, "channel");
+  } else {
+    if (chand->resolver != NULL) {
+      grpc_resolver_shutdown(exec_ctx, chand->resolver);
+      GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
+      chand->resolver = NULL;
     }
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
+    gpr_mu_unlock(&chand->mu_config);
   }
 
   if (exit_idle) {
@@ -231,9 +243,8 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   }
 
   if (old_lb_policy != NULL) {
-    grpc_pollset_set_del_pollset_set(exec_ctx,
-                                     &old_lb_policy->interested_parties,
-                                     &chand->interested_parties);
+    grpc_pollset_set_del_pollset_set(
+        exec_ctx, old_lb_policy->interested_parties, chand->interested_parties);
     GRPC_LB_POLICY_UNREF(exec_ctx, old_lb_policy, "channel");
   }
 
@@ -248,13 +259,12 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
                                   grpc_channel_element *elem,
                                   grpc_transport_op *op) {
   channel_data *chand = elem->channel_data;
-  grpc_resolver *destroy_resolver = NULL;
 
   grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
 
-  GPR_ASSERT(op->set_accept_stream == NULL);
+  GPR_ASSERT(op->set_accept_stream == false);
   if (op->bind_pollset != NULL) {
-    grpc_pollset_set_add_pollset(exec_ctx, &chand->interested_parties,
+    grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties,
                                  op->bind_pollset);
   }
 
@@ -278,28 +288,25 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
   }
 
   if (op->disconnect && chand->resolver != NULL) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
-    destroy_resolver = chand->resolver;
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
+    grpc_resolver_shutdown(exec_ctx, chand->resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
     chand->resolver = NULL;
     if (chand->lb_policy != NULL) {
       grpc_pollset_set_del_pollset_set(exec_ctx,
-                                       &chand->lb_policy->interested_parties,
-                                       &chand->interested_parties);
+                                       chand->lb_policy->interested_parties,
+                                       chand->interested_parties);
       GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
       chand->lb_policy = NULL;
     }
   }
   gpr_mu_unlock(&chand->mu_config);
-
-  if (destroy_resolver) {
-    grpc_resolver_shutdown(exec_ctx, destroy_resolver);
-    GRPC_RESOLVER_UNREF(exec_ctx, destroy_resolver, "channel");
-  }
 }
 
 typedef struct {
   grpc_metadata_batch *initial_metadata;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **connected_subchannel;
   grpc_closure *on_ready;
   grpc_call_element *elem;
@@ -308,6 +315,7 @@ typedef struct {
 
 static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
                               grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
                               grpc_connected_subchannel **connected_subchannel,
                               grpc_closure *on_ready);
 
@@ -318,6 +326,7 @@ static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   } else if (cpa->connected_subchannel == NULL) {
     /* cancelled, do nothing */
   } else if (cc_pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
+                                cpa->initial_metadata_flags,
                                 cpa->connected_subchannel, cpa->on_ready)) {
     grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, true, NULL);
   }
@@ -326,6 +335,7 @@ static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 
 static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
                               grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
                               grpc_connected_subchannel **connected_subchannel,
                               grpc_closure *on_ready) {
   grpc_call_element *elem = elemp;
@@ -359,7 +369,8 @@ static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
     GRPC_LB_POLICY_REF(lb_policy, "cc_pick_subchannel");
     gpr_mu_unlock(&chand->mu_config);
     r = grpc_lb_policy_pick(exec_ctx, lb_policy, calld->pollset,
-                            initial_metadata, connected_subchannel, on_ready);
+                            initial_metadata, initial_metadata_flags,
+                            connected_subchannel, on_ready);
     GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "cc_pick_subchannel");
     return r;
   }
@@ -372,6 +383,7 @@ static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
   }
   cpa = gpr_malloc(sizeof(*cpa));
   cpa->initial_metadata = initial_metadata;
+  cpa->initial_metadata_flags = initial_metadata_flags;
   cpa->connected_subchannel = connected_subchannel;
   cpa->on_ready = on_ready;
   cpa->elem = elem;
@@ -411,7 +423,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
 
   grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
                                "client_channel");
-  grpc_pollset_set_init(&chand->interested_parties);
+  chand->interested_parties = grpc_pollset_set_create();
 }
 
 /* Destructor for channel_data */
@@ -425,12 +437,12 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
   }
   if (chand->lb_policy != NULL) {
     grpc_pollset_set_del_pollset_set(exec_ctx,
-                                     &chand->lb_policy->interested_parties,
-                                     &chand->interested_parties);
+                                     chand->lb_policy->interested_parties,
+                                     chand->interested_parties);
     GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
   }
   grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
-  grpc_pollset_set_destroy(&chand->interested_parties);
+  grpc_pollset_set_destroy(chand->interested_parties);
   gpr_mu_destroy(&chand->mu_config);
 }
 
@@ -441,9 +453,17 @@ static void cc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
 }
 
 const grpc_channel_filter grpc_client_channel_filter = {
-    cc_start_transport_stream_op, cc_start_transport_op, sizeof(call_data),
-    init_call_elem, cc_set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, cc_get_peer, "client-channel",
+    cc_start_transport_stream_op,
+    cc_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    cc_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    cc_get_peer,
+    "client-channel",
 };
 
 void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
@@ -501,7 +521,7 @@ static void on_external_watch_complete(grpc_exec_ctx *exec_ctx, void *arg,
                                        bool iomgr_success) {
   external_connectivity_watcher *w = arg;
   grpc_closure *follow_up = w->on_complete;
-  grpc_pollset_set_del_pollset(exec_ctx, &w->chand->interested_parties,
+  grpc_pollset_set_del_pollset(exec_ctx, w->chand->interested_parties,
                                w->pollset);
   GRPC_CHANNEL_STACK_UNREF(exec_ctx, w->chand->owning_stack,
                            "external_connectivity_watcher");
@@ -517,7 +537,7 @@ void grpc_client_channel_watch_connectivity_state(
   w->chand = chand;
   w->pollset = pollset;
   w->on_complete = on_complete;
-  grpc_pollset_set_add_pollset(exec_ctx, &chand->interested_parties, pollset);
+  grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties, pollset);
   grpc_closure_init(&w->my_closure, on_external_watch_complete, w);
   GRPC_CHANNEL_STACK_REF(w->chand->owning_stack,
                          "external_connectivity_watcher");
diff --git a/src/core/channel/client_channel.h b/src/core/ext/client_config/client_channel.h
index d9bc4971f1..1e47ad34ad 100644
--- a/src/core/channel/client_channel.h
+++ b/src/core/ext/client_config/client_channel.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* A client channel is a channel that begins disconnected, and can connect
    to some endpoint on demand. If that endpoint disconnects, it will be
@@ -60,4 +60,4 @@ void grpc_client_channel_watch_connectivity_state(
     grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
     grpc_connectivity_state *state, grpc_closure *on_complete);
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H */
diff --git a/src/core/ext/client_config/client_channel_factory.c b/src/core/ext/client_config/client_channel_factory.c
new file mode 100644
index 0000000000..71c64c0da1
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/client_channel_factory.h"
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_client_channel_factory_unref(grpc_exec_ctx* exec_ctx,
+                                       grpc_client_channel_factory* factory) {
+  factory->vtable->unref(exec_ctx, factory);
+}
+
+grpc_subchannel* grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    grpc_subchannel_args* args) {
+  return factory->vtable->create_subchannel(exec_ctx, factory, args);
+}
+
+grpc_channel* grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    const char* target, grpc_client_channel_type type,
+    grpc_channel_args* args) {
+  return factory->vtable->create_client_channel(exec_ctx, factory, target, type,
+                                                args);
+}
diff --git a/src/core/ext/client_config/client_channel_factory.h b/src/core/ext/client_config/client_channel_factory.h
new file mode 100644
index 0000000000..1241b9b781
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.h
@@ -0,0 +1,85 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+
+#include <grpc/impl/codegen/grpc_types.h>
+
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+typedef struct grpc_client_channel_factory grpc_client_channel_factory;
+typedef struct grpc_client_channel_factory_vtable
+    grpc_client_channel_factory_vtable;
+
+typedef enum {
+  GRPC_CLIENT_CHANNEL_TYPE_REGULAR, /** for the user-level regular calls */
+  GRPC_CLIENT_CHANNEL_TYPE_LOAD_BALANCING, /** for communication with a load
+                                              balancing service */
+} grpc_client_channel_type;
+
+/** Constructor for new configured channels.
+    Creating decorators around this type is encouraged to adapt behavior. */
+struct grpc_client_channel_factory {
+  const grpc_client_channel_factory_vtable *vtable;
+};
+
+struct grpc_client_channel_factory_vtable {
+  void (*ref)(grpc_client_channel_factory *factory);
+  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory);
+  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
+                                        grpc_client_channel_factory *factory,
+                                        grpc_subchannel_args *args);
+  grpc_channel *(*create_client_channel)(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *factory,
+                                         const char *target,
+                                         grpc_client_channel_type type,
+                                         grpc_channel_args *args);
+};
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory *factory);
+void grpc_client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                       grpc_client_channel_factory *factory);
+
+/** Create a new grpc_subchannel */
+grpc_subchannel *grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    grpc_subchannel_args *args);
+
+/** Create a new grpc_channel */
+grpc_channel *grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    const char *target, grpc_client_channel_type type, grpc_channel_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H */
diff --git a/src/core/client_config/client_config.c b/src/core/ext/client_config/client_config.c
index 6ecffb3854..f9b8e68698 100644
--- a/src/core/client_config/client_config.c
+++ b/src/core/ext/client_config/client_config.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/client_config.h"
+#include "src/core/ext/client_config/client_config.h"
 
 #include <string.h>
 
@@ -53,7 +53,9 @@ void grpc_client_config_ref(grpc_client_config *c) { gpr_ref(&c->refs); }
 
 void grpc_client_config_unref(grpc_exec_ctx *exec_ctx, grpc_client_config *c) {
   if (gpr_unref(&c->refs)) {
-    GRPC_LB_POLICY_UNREF(exec_ctx, c->lb_policy, "client_config");
+    if (c->lb_policy != NULL) {
+      GRPC_LB_POLICY_UNREF(exec_ctx, c->lb_policy, "client_config");
+    }
     gpr_free(c);
   }
 }
diff --git a/src/core/client_config/client_config.h b/src/core/ext/client_config/client_config.h
index 04bf036b00..a6290cbcf0 100644
--- a/src/core/client_config/client_config.h
+++ b/src/core/ext/client_config/client_config.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
 
-#include "src/core/client_config/lb_policy.h"
+#include "src/core/ext/client_config/lb_policy.h"
 
 /** Total configuration for a client. Provided, and updated, by
     grpc_resolver */
@@ -50,4 +50,4 @@ void grpc_client_config_set_lb_policy(grpc_client_config *client_config,
 grpc_lb_policy *grpc_client_config_get_lb_policy(
     grpc_client_config *client_config);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H */
diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_config/client_config_plugin.c
new file mode 100644
index 0000000000..5e31613420
--- /dev/null
+++ b/src/core/ext/client_config/client_config_plugin.c
@@ -0,0 +1,95 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/surface/channel_init.h"
+
+#ifndef GRPC_DEFAULT_NAME_PREFIX
+#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
+#endif
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool set_default_host_if_unset(grpc_channel_stack_builder *builder,
+                                      void *unused) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  for (size_t i = 0; i < args->num_args; i++) {
+    if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY) ||
+        0 == strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) {
+      return true;
+    }
+  }
+  char *default_authority = grpc_get_default_authority(
+      grpc_channel_stack_builder_get_target(builder));
+  if (default_authority != NULL) {
+    grpc_arg arg;
+    arg.type = GRPC_ARG_STRING;
+    arg.key = GRPC_ARG_DEFAULT_AUTHORITY;
+    arg.value.string = default_authority;
+    grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1);
+    grpc_channel_stack_builder_set_channel_arguments(builder, new_args);
+    gpr_free(default_authority);
+    grpc_channel_args_destroy(new_args);
+  }
+  return true;
+}
+
+void grpc_client_config_init(void) {
+  grpc_lb_policy_registry_init();
+  grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
+  grpc_subchannel_index_init();
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MIN,
+                                   set_default_host_if_unset, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter,
+                                   (void *)&grpc_client_channel_filter);
+}
+
+void grpc_client_config_shutdown(void) {
+  grpc_subchannel_index_shutdown();
+  grpc_channel_init_shutdown();
+  grpc_resolver_registry_shutdown();
+  grpc_lb_policy_registry_shutdown();
+}
diff --git a/src/core/client_config/connector.c b/src/core/ext/client_config/connector.c
index aa34aa7fab..5b629ed5fb 100644
--- a/src/core/client_config/connector.c
+++ b/src/core/ext/client_config/connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/connector.h"
+#include "src/core/ext/client_config/connector.h"
 
 grpc_connector* grpc_connector_ref(grpc_connector* connector) {
   connector->vtable->ref(connector);
diff --git a/src/core/client_config/connector.h b/src/core/ext/client_config/connector.h
index b91eb512c3..dd85dfcb7d 100644
--- a/src/core/client_config/connector.h
+++ b/src/core/ext/client_config/connector.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_CONNECTOR_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_CONNECTOR_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_connector grpc_connector;
 typedef struct grpc_connector_vtable grpc_connector_vtable;
@@ -62,9 +62,6 @@ typedef struct {
 typedef struct {
   /** the connected transport */
   grpc_transport *transport;
-  /** any additional filters (owned by the caller of connect) */
-  const grpc_channel_filter **filters;
-  size_t num_filters;
 
   /** channel arguments (to be passed to the filters) */
   const grpc_channel_args *channel_args;
@@ -92,4 +89,4 @@ void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
 void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx,
                              grpc_connector *connector);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H */
diff --git a/src/core/client_config/default_initial_connect_string.c b/src/core/ext/client_config/default_initial_connect_string.c
index 6a4e23e6f2..a70da4a84a 100644
--- a/src/core/client_config/default_initial_connect_string.c
+++ b/src/core/ext/client_config/default_initial_connect_string.c
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/slice.h>
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 void grpc_set_default_initial_connect_string(struct sockaddr **addr,
                                              size_t *addr_len,
diff --git a/src/core/client_config/initial_connect_string.c b/src/core/ext/client_config/initial_connect_string.c
index 19afa1675a..41580d2106 100644
--- a/src/core/client_config/initial_connect_string.c
+++ b/src/core/ext/client_config/initial_connect_string.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
 
 #include <stddef.h>
 
diff --git a/src/core/client_config/initial_connect_string.h b/src/core/ext/client_config/initial_connect_string.h
index b6dca7134a..06f0767832 100644
--- a/src/core/client_config/initial_connect_string.h
+++ b/src/core/ext/client_config/initial_connect_string.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
 
 #include <grpc/support/slice.h>
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 typedef void (*grpc_set_initial_connect_string_func)(struct sockaddr **addr,
                                                      size_t *addr_len,
@@ -47,4 +47,4 @@ void grpc_test_set_initial_connect_string_function(
 void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
                                      gpr_slice *connect_string);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
diff --git a/src/core/client_config/lb_policy.c b/src/core/ext/client_config/lb_policy.c
index d4672f6b25..a7ad9842dc 100644
--- a/src/core/client_config/lb_policy.c
+++ b/src/core/ext/client_config/lb_policy.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy.h"
+#include "src/core/ext/client_config/lb_policy.h"
 
 #define WEAK_REF_BITS 16
 
@@ -39,7 +39,7 @@ void grpc_lb_policy_init(grpc_lb_policy *policy,
                          const grpc_lb_policy_vtable *vtable) {
   policy->vtable = vtable;
   gpr_atm_no_barrier_store(&policy->ref_pair, 1 << WEAK_REF_BITS);
-  grpc_pollset_set_init(&policy->interested_parties);
+  policy->interested_parties = grpc_pollset_set_create();
 }
 
 #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
@@ -93,7 +93,7 @@ void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx,
   gpr_atm old_val =
       ref_mutate(policy, -(gpr_atm)1, 1 REF_MUTATE_PASS_ARGS("WEAK_UNREF"));
   if (old_val == 1) {
-    grpc_pollset_set_destroy(&policy->interested_parties);
+    grpc_pollset_set_destroy(policy->interested_parties);
     policy->vtable->destroy(exec_ctx, policy);
   }
 }
@@ -101,10 +101,11 @@ void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx,
 int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                         grpc_pollset *pollset,
                         grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
                         grpc_connected_subchannel **target,
                         grpc_closure *on_complete) {
   return policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata,
-                              target, on_complete);
+                              initial_metadata_flags, target, on_complete);
 }
 
 void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
@@ -112,6 +113,14 @@ void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
   policy->vtable->cancel_pick(exec_ctx, policy, target);
 }
 
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq) {
+  policy->vtable->cancel_picks(exec_ctx, policy, initial_metadata_flags_mask,
+                               initial_metadata_flags_eq);
+}
+
 void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
   policy->vtable->exit_idle(exec_ctx, policy);
 }
diff --git a/src/core/client_config/lb_policy.h b/src/core/ext/client_config/lb_policy.h
index db5238c8ca..0384e0b2eb 100644
--- a/src/core/client_config/lb_policy.h
+++ b/src/core/ext/client_config/lb_policy.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
 
-#include "src/core/client_config/subchannel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /** A load balancing policy: specified by a vtable and a struct (which
     is expected to be extended to contain some parameters) */
@@ -48,7 +48,8 @@ typedef void (*grpc_lb_completion)(void *cb_arg, grpc_subchannel *subchannel,
 struct grpc_lb_policy {
   const grpc_lb_policy_vtable *vtable;
   gpr_atm ref_pair;
-  grpc_pollset_set interested_parties;
+  /* owned pointer to interested parties in load balancing decisions */
+  grpc_pollset_set *interested_parties;
 };
 
 struct grpc_lb_policy_vtable {
@@ -59,9 +60,13 @@ struct grpc_lb_policy_vtable {
   /** implement grpc_lb_policy_pick */
   int (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
               grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+              uint32_t initial_metadata_flags,
               grpc_connected_subchannel **target, grpc_closure *on_complete);
   void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                       grpc_connected_subchannel **target);
+  void (*cancel_picks)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                       uint32_t initial_metadata_flags_mask,
+                       uint32_t initial_metadata_flags_eq);
 
   void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                    grpc_closure *closure);
@@ -121,6 +126,7 @@ void grpc_lb_policy_init(grpc_lb_policy *policy,
 int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                         grpc_pollset *pollset,
                         grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
                         grpc_connected_subchannel **target,
                         grpc_closure *on_complete);
 
@@ -130,6 +136,14 @@ void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
 void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                                 grpc_connected_subchannel **target);
 
+/** Cancel all pending picks which have:
+    (initial_metadata_flags & initial_metadata_flags_mask) ==
+         initial_metadata_flags_eq */
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq);
+
 void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
 void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
@@ -140,4 +154,4 @@ void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
 grpc_connectivity_state grpc_lb_policy_check_connectivity(
     grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_LB_POLICY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H */
diff --git a/src/core/client_config/lb_policy_factory.c b/src/core/ext/client_config/lb_policy_factory.c
index e49de544e3..70e46ef3cf 100644
--- a/src/core/client_config/lb_policy_factory.c
+++ b/src/core/ext/client_config/lb_policy_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_config/lb_policy_factory.h"
 
 void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) {
   factory->vtable->ref(factory);
@@ -42,7 +42,8 @@ void grpc_lb_policy_factory_unref(grpc_lb_policy_factory* factory) {
 }
 
 grpc_lb_policy* grpc_lb_policy_factory_create_lb_policy(
-    grpc_lb_policy_factory* factory, grpc_lb_policy_args* args) {
+    grpc_exec_ctx* exec_ctx, grpc_lb_policy_factory* factory,
+    grpc_lb_policy_args* args) {
   if (factory == NULL) return NULL;
-  return factory->vtable->create_lb_policy(factory, args);
+  return factory->vtable->create_lb_policy(exec_ctx, factory, args);
 }
diff --git a/src/core/client_config/lb_policy_factory.h b/src/core/ext/client_config/lb_policy_factory.h
index 04610316ee..1c89b28b59 100644
--- a/src/core/client_config/lb_policy_factory.h
+++ b/src/core/ext/client_config/lb_policy_factory.h
@@ -31,11 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
 
-#include "src/core/client_config/lb_policy.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/lb_policy.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_lb_policy_factory grpc_lb_policy_factory;
 typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable;
@@ -47,8 +50,8 @@ struct grpc_lb_policy_factory {
 };
 
 typedef struct grpc_lb_policy_args {
-  grpc_subchannel **subchannels;
-  size_t num_subchannels;
+  grpc_resolved_addresses *addresses;
+  grpc_client_channel_factory *client_channel_factory;
 } grpc_lb_policy_args;
 
 struct grpc_lb_policy_factory_vtable {
@@ -56,7 +59,8 @@ struct grpc_lb_policy_factory_vtable {
   void (*unref)(grpc_lb_policy_factory *factory);
 
   /** Implementation of grpc_lb_policy_factory_create_lb_policy */
-  grpc_lb_policy *(*create_lb_policy)(grpc_lb_policy_factory *factory,
+  grpc_lb_policy *(*create_lb_policy)(grpc_exec_ctx *exec_ctx,
+                                      grpc_lb_policy_factory *factory,
                                       grpc_lb_policy_args *args);
 
   /** Name for the LB policy this factory implements */
@@ -68,6 +72,7 @@ void grpc_lb_policy_factory_unref(grpc_lb_policy_factory *factory);
 
 /** Create a lb_policy instance. */
 grpc_lb_policy *grpc_lb_policy_factory_create_lb_policy(
-    grpc_lb_policy_factory *factory, grpc_lb_policy_args *args);
+    grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory,
+    grpc_lb_policy_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_LB_POLICY_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H */
diff --git a/src/core/client_config/lb_policy_registry.c b/src/core/ext/client_config/lb_policy_registry.c
index fc302e82d7..a23643ecc6 100644
--- a/src/core/client_config/lb_policy_registry.c
+++ b/src/core/ext/client_config/lb_policy_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
 
 #include <string.h>
 
@@ -40,12 +40,7 @@
 static grpc_lb_policy_factory *g_all_of_the_lb_policies[MAX_POLICIES];
 static int g_number_of_lb_policies = 0;
 
-static grpc_lb_policy_factory *g_default_lb_policy_factory;
-
-void grpc_lb_policy_registry_init(grpc_lb_policy_factory *default_factory) {
-  g_number_of_lb_policies = 0;
-  g_default_lb_policy_factory = default_factory;
-}
+void grpc_lb_policy_registry_init(void) { g_number_of_lb_policies = 0; }
 
 void grpc_lb_policy_registry_shutdown(void) {
   int i;
@@ -79,10 +74,10 @@ static grpc_lb_policy_factory *lookup_factory(const char *name) {
   return NULL;
 }
 
-grpc_lb_policy *grpc_lb_policy_create(const char *name,
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
                                       grpc_lb_policy_args *args) {
   grpc_lb_policy_factory *factory = lookup_factory(name);
   grpc_lb_policy *lb_policy =
-      grpc_lb_policy_factory_create_lb_policy(factory, args);
+      grpc_lb_policy_factory_create_lb_policy(exec_ctx, factory, args);
   return lb_policy;
 }
diff --git a/src/core/client_config/lb_policy_registry.h b/src/core/ext/client_config/lb_policy_registry.h
index 96fc2a1628..92f38d6de6 100644
--- a/src/core/client_config/lb_policy_registry.h
+++ b/src/core/ext/client_config/lb_policy_registry.h
@@ -31,14 +31,15 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 /** Initialize the registry and set \a default_factory as the factory to be
  * returned when no name is provided in a lookup */
-void grpc_lb_policy_registry_init(grpc_lb_policy_factory *default_factory);
+void grpc_lb_policy_registry_init(void);
 void grpc_lb_policy_registry_shutdown(void);
 
 /** Register a LB policy factory. */
@@ -48,7 +49,7 @@ void grpc_register_lb_policy(grpc_lb_policy_factory *factory);
  *
  * If \a name is NULL, the default factory from \a grpc_lb_policy_registry_init
  * will be returned. */
-grpc_lb_policy *grpc_lb_policy_create(const char *name,
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
                                       grpc_lb_policy_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
diff --git a/src/core/ext/client_config/parse_address.c b/src/core/ext/client_config/parse_address.c
new file mode 100644
index 0000000000..8b4abe24a6
--- /dev/null
+++ b/src/core/ext/client_config/parse_address.c
@@ -0,0 +1,137 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/parse_address.h"
+
+#include <stdio.h>
+#include <string.h>
+#ifdef GPR_HAVE_UNIX_SOCKET
+#include <sys/un.h>
+#endif
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  struct sockaddr_un *un = (struct sockaddr_un *)addr;
+
+  un->sun_family = AF_UNIX;
+  strcpy(un->sun_path, uri->path);
+  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+
+  return 1;
+}
+#endif
+
+int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  const char *host_port = uri->path;
+  char *host;
+  char *port;
+  int port_num;
+  int result = 0;
+  struct sockaddr_in *in = (struct sockaddr_in *)addr;
+
+  if (*host_port == '/') ++host_port;
+  if (!gpr_split_host_port(host_port, &host, &port)) {
+    return 0;
+  }
+
+  memset(in, 0, sizeof(*in));
+  *len = sizeof(*in);
+  in->sin_family = AF_INET;
+  if (inet_pton(AF_INET, host, &in->sin_addr) == 0) {
+    gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host);
+    goto done;
+  }
+
+  if (port != NULL) {
+    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+        port_num > 65535) {
+      gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port);
+      goto done;
+    }
+    in->sin_port = htons((uint16_t)port_num);
+  } else {
+    gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
+    goto done;
+  }
+
+  result = 1;
+done:
+  gpr_free(host);
+  gpr_free(port);
+  return result;
+}
+
+int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  const char *host_port = uri->path;
+  char *host;
+  char *port;
+  int port_num;
+  int result = 0;
+  struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
+
+  if (*host_port == '/') ++host_port;
+  if (!gpr_split_host_port(host_port, &host, &port)) {
+    return 0;
+  }
+
+  memset(in6, 0, sizeof(*in6));
+  *len = sizeof(*in6);
+  in6->sin6_family = AF_INET6;
+  if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) {
+    gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host);
+    goto done;
+  }
+
+  if (port != NULL) {
+    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+        port_num > 65535) {
+      gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port);
+      goto done;
+    }
+    in6->sin6_port = htons((uint16_t)port_num);
+  } else {
+    gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
+    goto done;
+  }
+
+  result = 1;
+done:
+  gpr_free(host);
+  gpr_free(port);
+  return result;
+}
diff --git a/src/core/ext/client_config/parse_address.h b/src/core/ext/client_config/parse_address.h
new file mode 100644
index 0000000000..74c86f4d93
--- /dev/null
+++ b/src/core/ext/client_config/parse_address.h
@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
+
+#include <stddef.h>
+
+#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+/** Populate \a addr and \a len from \a uri, whose path is expected to contain a
+ * unix socket path. Returns true upon success. */
+int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+#endif
+
+/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
+ * host:port pair. Returns true upon success. */
+int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+
+/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
+ * host:port pair. Returns true upon success. */
+int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H */
diff --git a/src/core/client_config/resolver.c b/src/core/ext/client_config/resolver.c
index eda01e72ba..eb004455bd 100644
--- a/src/core/client_config/resolver.c
+++ b/src/core/ext/client_config/resolver.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver.h"
 
 void grpc_resolver_init(grpc_resolver *resolver,
                         const grpc_resolver_vtable *vtable) {
diff --git a/src/core/client_config/resolver.h b/src/core/ext/client_config/resolver.h
index e612eaf3b3..6ecb5d2774 100644
--- a/src/core/client_config/resolver.h
+++ b/src/core/ext/client_config/resolver.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
 
-#include "src/core/client_config/client_config.h"
-#include "src/core/client_config/subchannel.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/ext/client_config/client_config.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_resolver grpc_resolver;
 typedef struct grpc_resolver_vtable grpc_resolver_vtable;
@@ -91,4 +91,4 @@ void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
                         grpc_client_config **target_config,
                         grpc_closure *on_complete);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_RESOLVER_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H */
diff --git a/src/core/client_config/resolver_factory.c b/src/core/ext/client_config/resolver_factory.c
index e7e9196ac4..67832dcf59 100644
--- a/src/core/client_config/resolver_factory.c
+++ b/src/core/ext/client_config/resolver_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/ext/client_config/resolver_factory.h"
 
 void grpc_resolver_factory_ref(grpc_resolver_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/client_config/resolver_factory.h b/src/core/ext/client_config/resolver_factory.h
index 4c4df353f7..4eb6979aad 100644
--- a/src/core/client_config/resolver_factory.h
+++ b/src/core/ext/client_config/resolver_factory.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
 
-#include "src/core/client_config/resolver.h"
-#include "src/core/client_config/subchannel_factory.h"
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 typedef struct grpc_resolver_factory grpc_resolver_factory;
 typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
@@ -49,7 +49,7 @@ struct grpc_resolver_factory {
 
 typedef struct grpc_resolver_args {
   grpc_uri *uri;
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
 } grpc_resolver_args;
 
 struct grpc_resolver_factory_vtable {
@@ -79,4 +79,4 @@ grpc_resolver *grpc_resolver_factory_create_resolver(
 char *grpc_resolver_factory_get_default_authority(
     grpc_resolver_factory *factory, grpc_uri *uri);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_RESOLVER_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H */
diff --git a/src/core/client_config/resolver_registry.c b/src/core/ext/client_config/resolver_registry.c
index 89a945c2d3..07f29bcb27 100644
--- a/src/core/client_config/resolver_registry.c
+++ b/src/core/ext/client_config/resolver_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 
 #include <string.h>
 
@@ -70,14 +70,11 @@ void grpc_register_resolver_type(grpc_resolver_factory *factory) {
   g_all_of_the_resolvers[g_number_of_resolvers++] = factory;
 }
 
-static grpc_resolver_factory *lookup_factory(grpc_uri *uri) {
+static grpc_resolver_factory *lookup_factory(const char *name) {
   int i;
 
-  /* handling NULL uri's here simplifies grpc_resolver_create */
-  if (!uri) return NULL;
-
   for (i = 0; i < g_number_of_resolvers; i++) {
-    if (0 == strcmp(uri->scheme, g_all_of_the_resolvers[i]->vtable->scheme)) {
+    if (0 == strcmp(name, g_all_of_the_resolvers[i]->vtable->scheme)) {
       return g_all_of_the_resolvers[i];
     }
   }
@@ -85,6 +82,17 @@ static grpc_resolver_factory *lookup_factory(grpc_uri *uri) {
   return NULL;
 }
 
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name) {
+  grpc_resolver_factory *f = lookup_factory(name);
+  if (f) grpc_resolver_factory_ref(f);
+  return f;
+}
+
+static grpc_resolver_factory *lookup_factory_by_uri(grpc_uri *uri) {
+  if (!uri) return NULL;
+  return lookup_factory(uri->scheme);
+}
+
 static grpc_resolver_factory *resolve_factory(const char *target,
                                               grpc_uri **uri) {
   char *tmp;
@@ -92,13 +100,13 @@ static grpc_resolver_factory *resolve_factory(const char *target,
 
   GPR_ASSERT(uri != NULL);
   *uri = grpc_uri_parse(target, 1);
-  factory = lookup_factory(*uri);
+  factory = lookup_factory_by_uri(*uri);
   if (factory == NULL) {
     if (g_default_resolver_prefix != NULL) {
       grpc_uri_destroy(*uri);
       gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target);
       *uri = grpc_uri_parse(tmp, 1);
-      factory = lookup_factory(*uri);
+      factory = lookup_factory_by_uri(*uri);
       if (factory == NULL) {
         grpc_uri_destroy(grpc_uri_parse(target, 0));
         grpc_uri_destroy(grpc_uri_parse(tmp, 0));
@@ -115,14 +123,14 @@ static grpc_resolver_factory *resolve_factory(const char *target,
 }
 
 grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory) {
+    const char *target, grpc_client_channel_factory *client_channel_factory) {
   grpc_uri *uri = NULL;
   grpc_resolver_factory *factory = resolve_factory(target, &uri);
   grpc_resolver *resolver;
   grpc_resolver_args args;
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = subchannel_factory;
+  args.client_channel_factory = client_channel_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   grpc_uri_destroy(uri);
   return resolver;
diff --git a/src/core/client_config/resolver_registry.h b/src/core/ext/client_config/resolver_registry.h
index 5a7193b7ae..5ef1383cd3 100644
--- a/src/core/client_config/resolver_registry.h
+++ b/src/core/ext/client_config/resolver_registry.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/ext/client_config/resolver_factory.h"
 
 void grpc_resolver_registry_init(const char *default_prefix);
 void grpc_resolver_registry_shutdown(void);
@@ -56,10 +56,14 @@ void grpc_register_resolver_type(grpc_resolver_factory *factory);
     return it.
     If a resolver factory was not found, return NULL. */
 grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory);
+    const char *target, grpc_client_channel_factory *client_channel_factory);
+
+/** Find a resolver factory given a name and return an (owned-by-the-caller)
+ *  reference to it */
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name);
 
 /** Given a target, return a (freshly allocated with gpr_malloc) string
     representing the default authority to pass from a client. */
 char *grpc_get_default_authority(const char *target);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
diff --git a/src/core/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c
index 6599c75dba..125a291f21 100644
--- a/src/core/client_config/subchannel.c
+++ b/src/core/ext/client_config/subchannel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,28 +31,30 @@
  *
  */
 
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/avl.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/client_config/initial_connect_string.h"
-#include "src/core/client_config/subchannel_index.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/backoff.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #define INTERNAL_REF_BITS 16
 #define STRONG_REF_MASK (~(gpr_atm)((1 << INTERNAL_REF_BITS) - 1))
 
 #define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
-#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1
+#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 2
 #define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6
 #define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120
 #define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2
@@ -108,7 +110,7 @@ struct grpc_subchannel {
 
   /** pollset_set tracking who's interested in a connection
       being setup */
-  grpc_pollset_set pollset_set;
+  grpc_pollset_set *pollset_set;
 
   /** active connection, or null; of type grpc_connected_subchannel */
   gpr_atm connected_subchannel;
@@ -127,8 +129,8 @@ struct grpc_subchannel {
 
   /** next connect attempt time */
   gpr_timespec next_attempt;
-  /** amount to backoff each failure */
-  gpr_timespec backoff_delta;
+  /** backoff state */
+  gpr_backoff backoff_state;
   /** do we have an active alarm? */
   int have_alarm;
   /** our alarm */
@@ -146,7 +148,6 @@ struct grpc_subchannel_call {
 #define CALLSTACK_TO_SUBCHANNEL_CALL(callstack) \
   (((grpc_subchannel_call *)(callstack)) - 1)
 
-static gpr_timespec compute_connect_deadline(grpc_subchannel *c);
 static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *subchannel,
                                  bool iomgr_success);
 
@@ -184,8 +185,8 @@ static void connection_destroy(grpc_exec_ctx *exec_ctx, void *arg,
   gpr_free(c);
 }
 
-void grpc_connected_subchannel_ref(grpc_connected_subchannel *c
-                                       GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CONNECTION(c), REF_REASON);
 }
 
@@ -209,7 +210,7 @@ static void subchannel_destroy(grpc_exec_ctx *exec_ctx, void *arg,
   gpr_slice_unref(c->initial_connect_string);
   grpc_connectivity_state_destroy(exec_ctx, &c->state_tracker);
   grpc_connector_unref(exec_ctx, c->connector);
-  grpc_pollset_set_destroy(&c->pollset_set);
+  grpc_pollset_set_destroy(c->pollset_set);
   grpc_subchannel_key_destroy(exec_ctx, c->key);
   gpr_free(c);
 }
@@ -226,8 +227,8 @@ static gpr_atm ref_mutate(grpc_subchannel *c, gpr_atm delta,
   return old_val;
 }
 
-grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *c
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   gpr_atm old_refs;
   old_refs = ref_mutate(c, (1 << INTERNAL_REF_BITS),
                         0 REF_MUTATE_PURPOSE("STRONG_REF"));
@@ -235,8 +236,8 @@ grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *c
   return c;
 }
 
-grpc_subchannel *grpc_subchannel_weak_ref(grpc_subchannel *c
-                                              GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   gpr_atm old_refs;
   old_refs = ref_mutate(c, 1, 0 REF_MUTATE_PURPOSE("WEAK_REF"));
   GPR_ASSERT(old_refs != 0);
@@ -326,7 +327,7 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
   }
   c->addr = gpr_malloc(args->addr_len);
   memcpy(c->addr, args->addr, args->addr_len);
-  grpc_pollset_set_init(&c->pollset_set);
+  c->pollset_set = grpc_pollset_set_create();
   c->addr_len = args->addr_len;
   grpc_set_initial_connect_string(&c->addr, &c->addr_len,
                                   &c->initial_connect_string);
@@ -337,6 +338,41 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
   grpc_closure_init(&c->connected, subchannel_connected, c);
   grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE,
                                "subchannel");
+  gpr_backoff_init(&c->backoff_state,
+                   GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
+                   GRPC_SUBCHANNEL_RECONNECT_JITTER,
+                   GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000,
+                   GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000);
+  if (c->args) {
+    for (size_t i = 0; i < c->args->num_args; i++) {
+      if (0 == strcmp(c->args->args[i].key,
+                      "grpc.testing.fixed_reconnect_backoff")) {
+        GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER);
+        gpr_backoff_init(&c->backoff_state, 1.0, 0.0,
+                         c->args->args[i].value.integer,
+                         c->args->args[i].value.integer);
+      }
+      if (0 ==
+          strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) {
+        if (c->args->args[i].type == GRPC_ARG_INTEGER) {
+          if (c->args->args[i].value.integer >= 0) {
+            gpr_backoff_init(
+                &c->backoff_state, GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
+                GRPC_SUBCHANNEL_RECONNECT_JITTER,
+                GPR_MIN(c->args->args[i].value.integer,
+                        GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000),
+                c->args->args[i].value.integer);
+          } else {
+            gpr_log(GPR_ERROR, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS
+                    " : must be non-negative");
+          }
+        } else {
+          gpr_log(GPR_ERROR,
+                  GRPC_ARG_MAX_RECONNECT_BACKOFF_MS " : must be an integer");
+        }
+      }
+    }
+  }
   gpr_mu_init(&c->mu);
 
   return grpc_subchannel_index_register(exec_ctx, key, c);
@@ -345,10 +381,10 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
 static void continue_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
   grpc_connect_in_args args;
 
-  args.interested_parties = &c->pollset_set;
+  args.interested_parties = c->pollset_set;
   args.addr = c->addr;
   args.addr_len = c->addr_len;
-  args.deadline = compute_connect_deadline(c);
+  args.deadline = c->next_attempt;
   args.channel_args = c->args;
   args.initial_connect_string = c->initial_connect_string;
 
@@ -359,10 +395,8 @@ static void continue_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
 }
 
 static void start_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
-  c->backoff_delta = gpr_time_from_seconds(
-      GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS, GPR_TIMESPAN);
   c->next_attempt =
-      gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), c->backoff_delta);
+      gpr_backoff_begin(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
   continue_connect(exec_ctx, c);
 }
 
@@ -379,7 +413,7 @@ static void on_external_state_watcher_done(grpc_exec_ctx *exec_ctx, void *arg,
   external_state_watcher *w = arg;
   grpc_closure *follow_up = w->notify;
   if (w->pollset_set != NULL) {
-    grpc_pollset_set_del_pollset_set(exec_ctx, &w->subchannel->pollset_set,
+    grpc_pollset_set_del_pollset_set(exec_ctx, w->subchannel->pollset_set,
                                      w->pollset_set);
   }
   gpr_mu_lock(&w->subchannel->mu);
@@ -395,7 +429,6 @@ void grpc_subchannel_notify_on_state_change(
     grpc_exec_ctx *exec_ctx, grpc_subchannel *c,
     grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
     grpc_closure *notify) {
-  int do_connect = 0;
   external_state_watcher *w;
 
   if (state == NULL) {
@@ -415,7 +448,7 @@ void grpc_subchannel_notify_on_state_change(
     w->notify = notify;
     grpc_closure_init(&w->closure, on_external_state_watcher_done, w);
     if (interested_parties != NULL) {
-      grpc_pollset_set_add_pollset_set(exec_ctx, &c->pollset_set,
+      grpc_pollset_set_add_pollset_set(exec_ctx, c->pollset_set,
                                        interested_parties);
     }
     GRPC_SUBCHANNEL_WEAK_REF(c, "external_state_watcher");
@@ -425,17 +458,13 @@ void grpc_subchannel_notify_on_state_change(
     w->next->prev = w->prev->next = w;
     if (grpc_connectivity_state_notify_on_state_change(
             exec_ctx, &c->state_tracker, state, &w->closure)) {
-      do_connect = 1;
       c->connecting = 1;
       /* released by connection */
       GRPC_SUBCHANNEL_WEAK_REF(c, "connecting");
+      start_connect(exec_ctx, c);
     }
     gpr_mu_unlock(&c->mu);
   }
-
-  if (do_connect) {
-    start_connect(exec_ctx, c);
-  }
 }
 
 void grpc_connected_subchannel_process_transport_op(
@@ -510,33 +539,28 @@ void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
   elem->filter->start_transport_op(exec_ctx, elem, &op);
 }
 
-static void publish_transport(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
-  size_t channel_stack_size;
+static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
+                                     grpc_subchannel *c) {
   grpc_connected_subchannel *con;
   grpc_channel_stack *stk;
-  size_t num_filters;
-  const grpc_channel_filter **filters;
   state_watcher *sw_subchannel;
 
-  /* build final filter list */
-  num_filters = c->num_filters + c->connecting_result.num_filters + 1;
-  filters = gpr_malloc(sizeof(*filters) * num_filters);
-  if (c->num_filters > 0) {
-    memcpy((void *)filters, c->filters, sizeof(*filters) * c->num_filters);
-  }
-  memcpy((void *)(filters + c->num_filters), c->connecting_result.filters,
-         sizeof(*filters) * c->connecting_result.num_filters);
-  filters[num_filters - 1] = &grpc_connected_channel_filter;
-
   /* construct channel stack */
-  channel_stack_size = grpc_channel_stack_size(filters, num_filters);
-  con = gpr_malloc(channel_stack_size);
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(
+      builder, c->connecting_result.channel_args);
+  grpc_channel_stack_builder_set_transport(builder,
+                                           c->connecting_result.transport);
+
+  if (grpc_channel_init_create_stack(exec_ctx, builder,
+                                     GRPC_CLIENT_SUBCHANNEL)) {
+    con = grpc_channel_stack_builder_finish(exec_ctx, builder, 0, 1,
+                                            connection_destroy, NULL);
+  } else {
+    grpc_channel_stack_builder_destroy(builder);
+    abort(); /* TODO(ctiller): what to do here (previously we just crashed) */
+  }
   stk = CHANNEL_STACK_FROM_CONNECTION(con);
-  grpc_channel_stack_init(exec_ctx, 1, connection_destroy, con, filters,
-                          num_filters, c->connecting_result.channel_args,
-                          "CONNECTED_SUBCHANNEL", stk);
-  grpc_connected_channel_bind_transport(stk, c->connecting_result.transport);
-  gpr_free((void *)c->connecting_result.filters);
   memset(&c->connecting_result, 0, sizeof(c->connecting_result));
 
   /* initialize state watcher */
@@ -546,12 +570,8 @@ static void publish_transport(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
   grpc_closure_init(&sw_subchannel->closure, subchannel_on_child_state_changed,
                     sw_subchannel);
 
-  gpr_mu_lock(&c->mu);
-
   if (c->disconnected) {
-    gpr_mu_unlock(&c->mu);
     gpr_free(sw_subchannel);
-    gpr_free((void *)filters);
     grpc_channel_stack_destroy(exec_ctx, stk);
     gpr_free(con);
     GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
@@ -567,65 +587,19 @@ static void publish_transport(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
   GPR_ASSERT(gpr_atm_rel_cas(&c->connected_subchannel, 0, (gpr_atm)con));
   c->connecting = 0;
 
-  /* setup subchannel watching connected subchannel for changes; subchannel ref
+  /* setup subchannel watching connected subchannel for changes; subchannel
+     ref
      for connecting is donated
      to the state watcher */
   GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
   GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
   grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, con, &c->pollset_set, &sw_subchannel->connectivity_state,
+      exec_ctx, con, c->pollset_set, &sw_subchannel->connectivity_state,
       &sw_subchannel->closure);
 
   /* signal completion */
   grpc_connectivity_state_set(exec_ctx, &c->state_tracker, GRPC_CHANNEL_READY,
                               "connected");
-
-  gpr_mu_unlock(&c->mu);
-  gpr_free((void *)filters);
-}
-
-/* Generate a random number between 0 and 1. */
-static double generate_uniform_random_number(grpc_subchannel *c) {
-  c->random = (1103515245 * c->random + 12345) % ((uint32_t)1 << 31);
-  return c->random / (double)((uint32_t)1 << 31);
-}
-
-/* Update backoff_delta and next_attempt in subchannel */
-static void update_reconnect_parameters(grpc_subchannel *c) {
-  size_t i;
-  int32_t backoff_delta_millis, jitter;
-  int32_t max_backoff_millis =
-      GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000;
-  double jitter_range;
-
-  if (c->args) {
-    for (i = 0; i < c->args->num_args; i++) {
-      if (0 == strcmp(c->args->args[i].key,
-                      "grpc.testing.fixed_reconnect_backoff")) {
-        GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER);
-        c->next_attempt = gpr_time_add(
-            gpr_now(GPR_CLOCK_MONOTONIC),
-            gpr_time_from_millis(c->args->args[i].value.integer, GPR_TIMESPAN));
-        return;
-      }
-    }
-  }
-
-  backoff_delta_millis =
-      (int32_t)(gpr_time_to_millis(c->backoff_delta) *
-                GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER);
-  if (backoff_delta_millis > max_backoff_millis) {
-    backoff_delta_millis = max_backoff_millis;
-  }
-  c->backoff_delta = gpr_time_from_millis(backoff_delta_millis, GPR_TIMESPAN);
-  c->next_attempt =
-      gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), c->backoff_delta);
-
-  jitter_range = GRPC_SUBCHANNEL_RECONNECT_JITTER * backoff_delta_millis;
-  jitter =
-      (int32_t)((2 * generate_uniform_random_number(c) - 1) * jitter_range);
-  c->next_attempt =
-      gpr_time_add(c->next_attempt, gpr_time_from_millis(jitter, GPR_TIMESPAN));
 }
 
 static void on_alarm(grpc_exec_ctx *exec_ctx, void *arg, bool iomgr_success) {
@@ -635,11 +609,13 @@ static void on_alarm(grpc_exec_ctx *exec_ctx, void *arg, bool iomgr_success) {
   if (c->disconnected) {
     iomgr_success = 0;
   }
-  gpr_mu_unlock(&c->mu);
   if (iomgr_success) {
-    update_reconnect_parameters(c);
+    c->next_attempt =
+        gpr_backoff_step(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
     continue_connect(exec_ctx, c);
+    gpr_mu_unlock(&c->mu);
   } else {
+    gpr_mu_unlock(&c->mu);
     GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
   }
 }
@@ -648,32 +624,23 @@ static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg,
                                  bool iomgr_success) {
   grpc_subchannel *c = arg;
 
+  GRPC_SUBCHANNEL_WEAK_REF(c, "connected");
+  gpr_mu_lock(&c->mu);
   if (c->connecting_result.transport != NULL) {
-    publish_transport(exec_ctx, c);
+    publish_transport_locked(exec_ctx, c);
   } else if (c->disconnected) {
     GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
   } else {
     gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
-    gpr_mu_lock(&c->mu);
     GPR_ASSERT(!c->have_alarm);
     c->have_alarm = 1;
     grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
                                 GRPC_CHANNEL_TRANSIENT_FAILURE,
                                 "connect_failed");
     grpc_timer_init(exec_ctx, &c->alarm, c->next_attempt, on_alarm, c, now);
-    gpr_mu_unlock(&c->mu);
   }
-}
-
-static gpr_timespec compute_connect_deadline(grpc_subchannel *c) {
-  gpr_timespec current_deadline =
-      gpr_time_add(c->next_attempt, c->backoff_delta);
-  gpr_timespec min_deadline = gpr_time_add(
-      gpr_now(GPR_CLOCK_MONOTONIC),
-      gpr_time_from_seconds(GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS,
-                            GPR_TIMESPAN));
-  return gpr_time_cmp(current_deadline, min_deadline) > 0 ? current_deadline
-                                                          : min_deadline;
+  gpr_mu_unlock(&c->mu);
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
 }
 
 /*
@@ -690,8 +657,8 @@ static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
   GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
 }
 
-void grpc_subchannel_call_ref(grpc_subchannel_call *c
-                                  GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   GRPC_CALL_STACK_REF(SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
 }
 
diff --git a/src/core/client_config/subchannel.h b/src/core/ext/client_config/subchannel.h
index 313e63c75c..0765a544e8 100644
--- a/src/core/client_config/subchannel.h
+++ b/src/core/ext/client_config/subchannel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/connector.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /** A (sub-)channel that knows how to connect to exactly one target
     address. Provides a target for load balancing. */
@@ -83,25 +83,25 @@ typedef struct grpc_subchannel_args grpc_subchannel_args;
 #define GRPC_SUBCHANNEL_REF_EXTRA_ARGS
 #endif
 
-grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *channel
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
     grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
                            grpc_subchannel *channel
                                GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-grpc_subchannel *grpc_subchannel_weak_ref(grpc_subchannel *channel
-                                              GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
                                 grpc_subchannel *channel
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_connected_subchannel_ref(grpc_connected_subchannel *channel
-                                       GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
                                      grpc_connected_subchannel *channel
                                          GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_call_ref(grpc_subchannel_call *call
-                                  GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *call GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
                                 grpc_subchannel_call *call
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
@@ -171,4 +171,4 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
                                         grpc_connector *connector,
                                         grpc_subchannel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H */
diff --git a/src/core/channel/subchannel_call_holder.c b/src/core/ext/client_config/subchannel_call_holder.c
index 81297c8d44..3db462b246 100644
--- a/src/core/channel/subchannel_call_holder.c
+++ b/src/core/ext/client_config/subchannel_call_holder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/channel/subchannel_call_holder.h"
+#include "src/core/ext/client_config/subchannel_call_holder.h"
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #define GET_CALL(holder) \
   ((grpc_subchannel_call *)(gpr_atm_acq_load(&(holder)->subchannel_call)))
@@ -127,7 +127,7 @@ retry:
           break;
         case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL:
           holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg, NULL,
-                                  &holder->connected_subchannel, NULL);
+                                  0, &holder->connected_subchannel, NULL);
           break;
       }
       gpr_mu_unlock(&holder->mu);
@@ -145,7 +145,8 @@ retry:
     GRPC_CALL_STACK_REF(holder->owning_call, "pick_subchannel");
     if (holder->pick_subchannel(
             exec_ctx, holder->pick_subchannel_arg, op->send_initial_metadata,
-            &holder->connected_subchannel, &holder->next_step)) {
+            op->send_initial_metadata_flags, &holder->connected_subchannel,
+            &holder->next_step)) {
       holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
       GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
     }
@@ -168,15 +169,15 @@ retry:
 
 static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   grpc_subchannel_call_holder *holder = arg;
-  grpc_subchannel_call *call;
   gpr_mu_lock(&holder->mu);
   GPR_ASSERT(holder->creation_phase ==
              GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL);
-  call = GET_CALL(holder);
-  GPR_ASSERT(call == NULL || call == CANCELLED_CALL);
   holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
   if (holder->connected_subchannel == NULL) {
     fail_locked(exec_ctx, holder);
+  } else if (1 == gpr_atm_acq_load(&holder->subchannel_call)) {
+    /* already cancelled before subchannel became ready */
+    fail_locked(exec_ctx, holder);
   } else {
     gpr_atm_rel_store(
         &holder->subchannel_call,
diff --git a/src/core/channel/subchannel_call_holder.h b/src/core/ext/client_config/subchannel_call_holder.h
index 9cf72c6cf7..9299908788 100644
--- a/src/core/channel/subchannel_call_holder.h
+++ b/src/core/ext/client_config/subchannel_call_holder.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
 
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 /** Pick a subchannel for grpc_subchannel_call_holder;
     Return 1 if subchannel is available immediately (in which case on_ready
@@ -42,6 +42,7 @@
     called when the subchannel is available) */
 typedef int (*grpc_subchannel_call_holder_pick_subchannel)(
     grpc_exec_ctx *exec_ctx, void *arg, grpc_metadata_batch *initial_metadata,
+    uint32_t initial_metadata_flags,
     grpc_connected_subchannel **connected_subchannel, grpc_closure *on_ready);
 
 typedef enum {
@@ -55,15 +56,14 @@ typedef enum {
     for initial metadata before trying to create a call object,
     and handling cancellation gracefully.
 
-    Both the channel and uchannel filter use this as their call_data. */
+    The channel filter uses this as their call_data. */
 typedef struct grpc_subchannel_call_holder {
   /** either 0 for no call, 1 for cancelled, or a pointer to a
       grpc_subchannel_call */
   gpr_atm subchannel_call;
   /** Helper function to choose the subchannel on which to create
       the call object. Channel filter delegates to the load
-      balancing policy (once it's ready); uchannel returns
-      immediately */
+      balancing policy (once it's ready). */
   grpc_subchannel_call_holder_pick_subchannel pick_subchannel;
   void *pick_subchannel_arg;
 
@@ -95,4 +95,4 @@ void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
 char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
                                            grpc_subchannel_call_holder *holder);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H */
diff --git a/src/core/client_config/subchannel_factory.c b/src/core/ext/client_config/subchannel_factory.c
index 2c64219e8b..d1e4d75a02 100644
--- a/src/core/client_config/subchannel_factory.c
+++ b/src/core/ext/client_config/subchannel_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/subchannel_factory.h"
+#include "src/core/ext/client_config/subchannel_factory.h"
 
 void grpc_subchannel_factory_ref(grpc_subchannel_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/client_config/subchannel_factory.h b/src/core/ext/client_config/subchannel_factory.h
index c6d8cc90be..0fb806d081 100644
--- a/src/core/client_config/subchannel_factory.h
+++ b/src/core/ext/client_config/subchannel_factory.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 typedef struct grpc_subchannel_factory grpc_subchannel_factory;
 typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable;
@@ -63,4 +63,4 @@ grpc_subchannel *grpc_subchannel_factory_create_subchannel(
     grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
     grpc_subchannel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
diff --git a/src/core/client_config/subchannel_index.c b/src/core/ext/client_config/subchannel_index.c
index f78a7fd588..ab8d9bd91d 100644
--- a/src/core/client_config/subchannel_index.c
+++ b/src/core/ext/client_config/subchannel_index.c
@@ -31,7 +31,7 @@
 //
 //
 
-#include "src/core/client_config/subchannel_index.h"
+#include "src/core/ext/client_config/subchannel_index.h"
 
 #include <stdbool.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/avl.h>
 #include <grpc/support/tls.h>
 
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 // a map of subchannel_key --> subchannel, used for detecting connections
 // to the same destination in order to share them
@@ -108,6 +108,7 @@ static int subchannel_key_compare(grpc_subchannel_key *a,
   if (c != 0) return c;
   c = memcmp(a->args.filters, b->args.filters,
              a->args.filter_count * sizeof(*a->args.filters));
+  if (c != 0) return c;
   return grpc_channel_args_compare(a->args.args, b->args.args);
 }
 
@@ -149,11 +150,13 @@ static const gpr_avl_vtable subchannel_avl_vtable = {
 void grpc_subchannel_index_init(void) {
   g_subchannel_index = gpr_avl_create(&subchannel_avl_vtable);
   gpr_mu_init(&g_mu);
+  gpr_tls_init(&subchannel_index_exec_ctx);
 }
 
 void grpc_subchannel_index_shutdown(void) {
   gpr_mu_destroy(&g_mu);
   gpr_avl_unref(g_subchannel_index);
+  gpr_tls_destroy(&subchannel_index_exec_ctx);
 }
 
 grpc_subchannel *grpc_subchannel_index_find(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/client_config/subchannel_index.h b/src/core/ext/client_config/subchannel_index.h
index 095ef17819..6b8d063855 100644
--- a/src/core/client_config/subchannel_index.h
+++ b/src/core/ext/client_config/subchannel_index.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
 
-#include "src/core/client_config/connector.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 /** \file Provides an index of active subchannels so that they can be
     shared amongst channels */
@@ -74,4 +74,4 @@ void grpc_subchannel_index_init(void);
 /** Shutdown the subchannel index (global) */
 void grpc_subchannel_index_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
diff --git a/src/core/client_config/uri_parser.c b/src/core/ext/client_config/uri_parser.c
index cbdfffcf8e..3ca1a58e69 100644
--- a/src/core/client_config/uri_parser.c
+++ b/src/core/ext/client_config/uri_parser.c
@@ -31,15 +31,19 @@
  *
  */
 
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/support/string.h"
+
 /** a size_t default value... maps to all 1's */
 #define NOT_SET (~(size_t)0)
 
@@ -133,6 +137,51 @@ static int parse_fragment_or_query(const char *uri_text, size_t *i) {
   return 1;
 }
 
+static void do_nothing(void *ignored) {}
+static void parse_query_parts(grpc_uri *uri) {
+  static const char *QUERY_PARTS_SEPARATOR = "&";
+  static const char *QUERY_PARTS_VALUE_SEPARATOR = "=";
+  GPR_ASSERT(uri->query != NULL);
+  if (uri->query[0] == '\0') {
+    uri->query_parts = NULL;
+    uri->query_parts_values = NULL;
+    uri->num_query_parts = 0;
+    return;
+  }
+  gpr_slice query_slice =
+      gpr_slice_new(uri->query, strlen(uri->query), do_nothing);
+  gpr_slice_buffer query_parts; /* the &-separated elements of the query */
+  gpr_slice_buffer query_param_parts; /* the =-separated subelements */
+
+  gpr_slice_buffer_init(&query_parts);
+  gpr_slice_buffer_init(&query_param_parts);
+
+  gpr_slice_split(query_slice, QUERY_PARTS_SEPARATOR, &query_parts);
+  uri->query_parts = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->query_parts_values = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->num_query_parts = query_parts.count;
+  for (size_t i = 0; i < query_parts.count; i++) {
+    gpr_slice_split(query_parts.slices[i], QUERY_PARTS_VALUE_SEPARATOR,
+                    &query_param_parts);
+    GPR_ASSERT(query_param_parts.count > 0);
+    uri->query_parts[i] =
+        gpr_dump_slice(query_param_parts.slices[0], GPR_DUMP_ASCII);
+    if (query_param_parts.count > 1) {
+      /* TODO(dgq): only the first value after the separator is considered.
+       * Perhaps all chars after the first separator for the query part should
+       * be included, even if they include the separator. */
+      uri->query_parts_values[i] =
+          gpr_dump_slice(query_param_parts.slices[1], GPR_DUMP_ASCII);
+    } else {
+      uri->query_parts_values[i] = NULL;
+    }
+    gpr_slice_buffer_reset_and_unref(&query_param_parts);
+  }
+  gpr_slice_buffer_destroy(&query_parts);
+  gpr_slice_buffer_destroy(&query_param_parts);
+  gpr_slice_unref(query_slice);
+}
+
 grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
   grpc_uri *uri;
   size_t scheme_begin = 0;
@@ -227,16 +276,35 @@ grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
   uri->path = copy_component(uri_text, path_begin, path_end);
   uri->query = copy_component(uri_text, query_begin, query_end);
   uri->fragment = copy_component(uri_text, fragment_begin, fragment_end);
+  parse_query_parts(uri);
 
   return uri;
 }
 
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key) {
+  GPR_ASSERT(key != NULL);
+  if (key[0] == '\0') return NULL;
+
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    if (0 == strcmp(key, uri->query_parts[i])) {
+      return uri->query_parts_values[i];
+    }
+  }
+  return NULL;
+}
+
 void grpc_uri_destroy(grpc_uri *uri) {
   if (!uri) return;
   gpr_free(uri->scheme);
   gpr_free(uri->authority);
   gpr_free(uri->path);
   gpr_free(uri->query);
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    gpr_free(uri->query_parts[i]);
+    gpr_free(uri->query_parts_values[i]);
+  }
+  gpr_free(uri->query_parts);
+  gpr_free(uri->query_parts_values);
   gpr_free(uri->fragment);
   gpr_free(uri);
 }
diff --git a/src/core/client_config/uri_parser.h b/src/core/ext/client_config/uri_parser.h
index b8daa13bd4..875a7cb07c 100644
--- a/src/core/client_config/uri_parser.h
+++ b/src/core/ext/client_config/uri_parser.h
@@ -31,21 +31,33 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_URI_PARSER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_URI_PARSER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+
+#include <stddef.h>
 
 typedef struct {
   char *scheme;
   char *authority;
   char *path;
   char *query;
+  /** Query substrings separated by '&' */
+  char **query_parts;
+  /** Number of elements in \a query_parts and \a query_parts_values */
+  size_t num_query_parts;
+  /** Split each query part by '='. NULL if not present. */
+  char **query_parts_values;
   char *fragment;
 } grpc_uri;
 
 /** parse a uri, return NULL on failure */
 grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors);
 
+/** return the part of a query string after the '=' in "?key=xxx&...", or NULL
+ * if key is not present */
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key);
+
 /** destroy a uri */
 void grpc_uri_destroy(grpc_uri *uri);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H */
diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.c b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
new file mode 100644
index 0000000000..459d6d9954
--- /dev/null
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
@@ -0,0 +1,172 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+#include "third_party/nanopb/pb_decode.h"
+#include "third_party/nanopb/pb_encode.h"
+
+#include <grpc/support/alloc.h>
+
+typedef struct decode_serverlist_arg {
+  int first_pass;
+  int i;
+  size_t num_servers;
+  grpc_grpclb_server **servers;
+} decode_serverlist_arg;
+
+/* invoked once for every Server in ServerList */
+static bool decode_serverlist(pb_istream_t *stream, const pb_field_t *field,
+                              void **arg) {
+  decode_serverlist_arg *dec_arg = *arg;
+  if (dec_arg->first_pass != 0) { /* first pass */
+    grpc_grpclb_server server;
+    if (!pb_decode(stream, grpc_lb_v0_Server_fields, &server)) {
+      return false;
+    }
+    dec_arg->num_servers++;
+  } else { /* second pass */
+    grpc_grpclb_server *server = gpr_malloc(sizeof(grpc_grpclb_server));
+    GPR_ASSERT(dec_arg->num_servers > 0);
+    if (dec_arg->i == 0) { /* first iteration of second pass */
+      dec_arg->servers =
+          gpr_malloc(sizeof(grpc_grpclb_server *) * dec_arg->num_servers);
+    }
+    if (!pb_decode(stream, grpc_lb_v0_Server_fields, server)) {
+      return false;
+    }
+    dec_arg->servers[dec_arg->i++] = server;
+  }
+
+  return true;
+}
+
+grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name) {
+  grpc_grpclb_request *req = gpr_malloc(sizeof(grpc_grpclb_request));
+
+  req->has_client_stats = 0; /* TODO(dgq): add support for stats once defined */
+  req->has_initial_request = 1;
+  req->initial_request.has_name = 1;
+  strncpy(req->initial_request.name, lb_service_name,
+          GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH);
+  return req;
+}
+
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) {
+  size_t encoded_length;
+  pb_ostream_t sizestream;
+  pb_ostream_t outputstream;
+  gpr_slice slice;
+  memset(&sizestream, 0, sizeof(pb_ostream_t));
+  pb_encode(&sizestream, grpc_lb_v0_LoadBalanceRequest_fields, request);
+  encoded_length = sizestream.bytes_written;
+
+  slice = gpr_slice_malloc(encoded_length);
+  outputstream =
+      pb_ostream_from_buffer(GPR_SLICE_START_PTR(slice), encoded_length);
+  GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v0_LoadBalanceRequest_fields,
+                       request) != 0);
+  return slice;
+}
+
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request) {
+  gpr_free(request);
+}
+
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) {
+  bool status;
+  pb_istream_t stream =
+      pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+                             GPR_SLICE_LENGTH(encoded_response));
+  grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
+  memset(res, 0, sizeof(*res));
+  status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
+  return res;
+}
+
+grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
+    gpr_slice encoded_response) {
+  bool status;
+  decode_serverlist_arg arg;
+  pb_istream_t stream =
+      pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+                             GPR_SLICE_LENGTH(encoded_response));
+  pb_istream_t stream_at_start = stream;
+  grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
+  memset(res, 0, sizeof(*res));
+  memset(&arg, 0, sizeof(decode_serverlist_arg));
+
+  res->server_list.servers.funcs.decode = decode_serverlist;
+  res->server_list.servers.arg = &arg;
+  arg.first_pass = 1;
+  status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
+
+  arg.first_pass = 0;
+  status =
+      pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
+
+  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
+  sl->num_servers = arg.num_servers;
+  sl->servers = arg.servers;
+  if (res->server_list.has_expiration_interval) {
+    sl->expiration_interval = res->server_list.expiration_interval;
+  }
+  grpc_grpclb_response_destroy(res);
+  return sl;
+}
+
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
+  if (serverlist == NULL) {
+    return;
+  }
+  for (size_t i = 0; i < serverlist->num_servers; i++) {
+    gpr_free(serverlist->servers[i]);
+  }
+  gpr_free(serverlist->servers);
+  gpr_free(serverlist);
+}
+
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response) {
+  gpr_free(response);
+}
diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.h b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
new file mode 100644
index 0000000000..968f7d278a
--- /dev/null
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -0,0 +1,85 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+
+#include <grpc/support/slice_buffer.h>
+
+#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
+
+typedef grpc_lb_v0_LoadBalanceRequest grpc_grpclb_request;
+typedef grpc_lb_v0_LoadBalanceResponse grpc_grpclb_response;
+typedef grpc_lb_v0_Server grpc_grpclb_server;
+typedef grpc_lb_v0_Duration grpc_grpclb_duration;
+typedef struct grpc_grpclb_serverlist {
+  grpc_grpclb_server **servers;
+  size_t num_servers;
+  grpc_grpclb_duration expiration_interval;
+} grpc_grpclb_serverlist;
+
+/** Create a request for a gRPC LB service under \a lb_service_name */
+grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name);
+
+/** Protocol Buffers v3-encode \a request */
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request);
+
+/** Destroy \a request */
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request);
+
+/** Parse (ie, decode) the bytes in \a encoded_response as a \a
+ * grpc_grpclb_response */
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response);
+
+/** Destroy \a serverlist */
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist);
+
+/** Parse the list of servers from an encoded \a grpc_grpclb_response */
+grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
+    gpr_slice encoded_response);
+
+/** Destroy \a response */
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H */
diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
new file mode 100644
index 0000000000..9719673181
--- /dev/null
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
@@ -0,0 +1,119 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+/* Automatically generated nanopb constant definitions */
+/* Generated by nanopb-0.3.5-dev */
+
+#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h"
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+
+
+const pb_field_t grpc_lb_v0_Duration_fields[3] = {
+    PB_FIELD(  1, INT64   , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0),
+    PB_FIELD(  2, INT32   , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = {
+    PB_FIELD(  1, MESSAGE , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields),
+    PB_FIELD(  2, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = {
+    PB_FIELD(  1, STRING  , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ClientStats_fields[4] = {
+    PB_FIELD(  1, INT64   , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0),
+    PB_FIELD(  2, INT64   , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0),
+    PB_FIELD(  3, INT64   , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = {
+    PB_FIELD(  1, MESSAGE , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields),
+    PB_FIELD(  2, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = {
+    PB_FIELD(  1, STRING  , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0),
+    PB_FIELD(  2, STRING  , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0),
+    PB_FIELD(  3, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ServerList_fields[3] = {
+    PB_FIELD(  1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields),
+    PB_FIELD(  3, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields),
+    PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_Server_fields[5] = {
+    PB_FIELD(  1, STRING  , OPTIONAL, STATIC  , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0),
+    PB_FIELD(  2, INT32   , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_Server, port, ip_address, 0),
+    PB_FIELD(  3, BYTES   , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0),
+    PB_FIELD(  4, BOOL    , OPTIONAL, STATIC  , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0),
+    PB_LAST_FIELD
+};
+
+
+/* Check that field information fits in pb_field_t */
+#if !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_32BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ * 
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in 8 or 16 bit
+ * field descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ * 
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in the default
+ * 8 bit descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+
diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
new file mode 100644
index 0000000000..3599f881bb
--- /dev/null
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
@@ -0,0 +1,182 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.3.5-dev */
+
+#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
+#define PB_LOAD_BALANCER_PB_H_INCLUDED
+#include "third_party/nanopb/pb.h"
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Struct definitions */
+typedef struct _grpc_lb_v0_ClientStats {
+    bool has_total_requests;
+    int64_t total_requests;
+    bool has_client_rpc_errors;
+    int64_t client_rpc_errors;
+    bool has_dropped_requests;
+    int64_t dropped_requests;
+} grpc_lb_v0_ClientStats;
+
+typedef struct _grpc_lb_v0_Duration {
+    bool has_seconds;
+    int64_t seconds;
+    bool has_nanos;
+    int32_t nanos;
+} grpc_lb_v0_Duration;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceRequest {
+    bool has_name;
+    char name[128];
+} grpc_lb_v0_InitialLoadBalanceRequest;
+
+typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t;
+typedef struct _grpc_lb_v0_Server {
+    bool has_ip_address;
+    char ip_address[46];
+    bool has_port;
+    int32_t port;
+    bool has_load_balance_token;
+    grpc_lb_v0_Server_load_balance_token_t load_balance_token;
+    bool has_drop_request;
+    bool drop_request;
+} grpc_lb_v0_Server;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceResponse {
+    bool has_client_config;
+    char client_config[64];
+    bool has_load_balancer_delegate;
+    char load_balancer_delegate[64];
+    bool has_client_stats_report_interval;
+    grpc_lb_v0_Duration client_stats_report_interval;
+} grpc_lb_v0_InitialLoadBalanceResponse;
+
+typedef struct _grpc_lb_v0_LoadBalanceRequest {
+    bool has_initial_request;
+    grpc_lb_v0_InitialLoadBalanceRequest initial_request;
+    bool has_client_stats;
+    grpc_lb_v0_ClientStats client_stats;
+} grpc_lb_v0_LoadBalanceRequest;
+
+typedef struct _grpc_lb_v0_ServerList {
+    pb_callback_t servers;
+    bool has_expiration_interval;
+    grpc_lb_v0_Duration expiration_interval;
+} grpc_lb_v0_ServerList;
+
+typedef struct _grpc_lb_v0_LoadBalanceResponse {
+    bool has_initial_response;
+    grpc_lb_v0_InitialLoadBalanceResponse initial_response;
+    bool has_server_list;
+    grpc_lb_v0_ServerList server_list;
+} grpc_lb_v0_LoadBalanceResponse;
+
+/* Default values for struct fields */
+
+/* Initializer values for message structs */
+#define grpc_lb_v0_Duration_init_default         {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""}
+#define grpc_lb_v0_ClientStats_init_default      {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_ServerList_init_default       {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_Server_init_default           {false, "", false, 0, false, {0, {0}}, false, 0}
+#define grpc_lb_v0_Duration_init_zero            {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_zero  {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""}
+#define grpc_lb_v0_ClientStats_init_zero         {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_ServerList_init_zero          {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_Server_init_zero              {false, "", false, 0, false, {0, {0}}, false, 0}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define grpc_lb_v0_ClientStats_total_requests_tag 1
+#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2
+#define grpc_lb_v0_ClientStats_dropped_requests_tag 3
+#define grpc_lb_v0_Duration_seconds_tag          1
+#define grpc_lb_v0_Duration_nanos_tag            2
+#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1
+#define grpc_lb_v0_Server_ip_address_tag         1
+#define grpc_lb_v0_Server_port_tag               2
+#define grpc_lb_v0_Server_load_balance_token_tag 3
+#define grpc_lb_v0_Server_drop_request_tag       4
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1
+#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
+#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1
+#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2
+#define grpc_lb_v0_ServerList_servers_tag        1
+#define grpc_lb_v0_ServerList_expiration_interval_tag 3
+#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1
+#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2
+
+/* Struct field encoding specification for nanopb */
+extern const pb_field_t grpc_lb_v0_Duration_fields[3];
+extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2];
+extern const pb_field_t grpc_lb_v0_ClientStats_fields[4];
+extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4];
+extern const pb_field_t grpc_lb_v0_ServerList_fields[3];
+extern const pb_field_t grpc_lb_v0_Server_fields[5];
+
+/* Maximum encoded size of messages (where known) */
+#define grpc_lb_v0_Duration_size                 22
+#define grpc_lb_v0_LoadBalanceRequest_size       169
+#define grpc_lb_v0_InitialLoadBalanceRequest_size 131
+#define grpc_lb_v0_ClientStats_size              33
+#define grpc_lb_v0_LoadBalanceResponse_size      (165 + grpc_lb_v0_ServerList_size)
+#define grpc_lb_v0_InitialLoadBalanceResponse_size 156
+#define grpc_lb_v0_Server_size                   127
+
+/* Message IDs (where set with "msgid" option) */
+#ifdef PB_MSGID
+
+#define LOAD_BALANCER_MESSAGES \
+
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/client_config/lb_policies/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c
index 459bbebb68..5926f9d70b 100644
--- a/src/core/client_config/lb_policies/pick_first.c
+++ b/src/core/ext/lb_policy/pick_first/pick_first.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,16 @@
  *
  */
 
-#include "src/core/client_config/lb_policy_factory.h"
-#include "src/core/client_config/lb_policies/pick_first.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -78,7 +77,7 @@ typedef struct {
 #define GET_SELECTED(p) \
   ((grpc_connected_subchannel *)gpr_atm_acq_load(&(p)->selected))
 
-void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   grpc_connected_subchannel *selected = GET_SELECTED(p);
   size_t i;
@@ -95,7 +94,7 @@ void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_free(p);
 }
 
-void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   pending_pick *pp;
   grpc_connected_subchannel *selected;
@@ -119,7 +118,7 @@ void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   while (pp != NULL) {
     pending_pick *next = pp->next;
     *pp->target = NULL;
-    grpc_pollset_set_del_pollset(exec_ctx, &p->base.interested_parties,
+    grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
                                  pp->pollset);
     grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, true, NULL);
     gpr_free(pp);
@@ -137,7 +136,7 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   while (pp != NULL) {
     pending_pick *next = pp->next;
     if (pp->target == target) {
-      grpc_pollset_set_del_pollset(exec_ctx, &p->base.interested_parties,
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
                                    pp->pollset);
       *target = NULL;
       grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
@@ -151,6 +150,31 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
+static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
   p->started_picking = 1;
   p->checking_subchannel = 0;
@@ -158,11 +182,11 @@ static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
   GRPC_LB_POLICY_WEAK_REF(&p->base, "pick_first_connectivity");
   grpc_subchannel_notify_on_state_change(
       exec_ctx, p->subchannels[p->checking_subchannel],
-      &p->base.interested_parties, &p->checking_connectivity,
+      p->base.interested_parties, &p->checking_connectivity,
       &p->connectivity_changed);
 }
 
-void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   if (!p->started_picking) {
@@ -171,9 +195,11 @@ void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_mu_unlock(&p->mu);
 }
 
-int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
-            grpc_metadata_batch *initial_metadata,
-            grpc_connected_subchannel **target, grpc_closure *on_complete) {
+static int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                   grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
+                   grpc_connected_subchannel **target,
+                   grpc_closure *on_complete) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   pending_pick *pp;
 
@@ -195,12 +221,12 @@ int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
     if (!p->started_picking) {
       start_picking(exec_ctx, p);
     }
-    grpc_pollset_set_add_pollset(exec_ctx, &p->base.interested_parties,
-                                 pollset);
+    grpc_pollset_set_add_pollset(exec_ctx, p->base.interested_parties, pollset);
     pp = gpr_malloc(sizeof(*pp));
     pp->next = p->pending_picks;
     pp->pollset = pollset;
     pp->target = target;
+    pp->initial_metadata_flags = initial_metadata_flags;
     pp->on_complete = on_complete;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
@@ -253,7 +279,7 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
                                 p->checking_connectivity, "selected_changed");
     if (p->checking_connectivity != GRPC_CHANNEL_FATAL_FAILURE) {
       grpc_connected_subchannel_notify_on_state_change(
-          exec_ctx, selected, &p->base.interested_parties,
+          exec_ctx, selected, p->base.interested_parties,
           &p->checking_connectivity, &p->connectivity_changed);
     } else {
       GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, &p->base, "pick_first_connectivity");
@@ -278,27 +304,30 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
         while ((pp = p->pending_picks)) {
           p->pending_picks = pp->next;
           *pp->target = selected;
-          grpc_pollset_set_del_pollset(exec_ctx, &p->base.interested_parties,
+          grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
                                        pp->pollset);
           grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, true, NULL);
           gpr_free(pp);
         }
         grpc_connected_subchannel_notify_on_state_change(
-            exec_ctx, selected, &p->base.interested_parties,
+            exec_ctx, selected, p->base.interested_parties,
             &p->checking_connectivity, &p->connectivity_changed);
         break;
       case GRPC_CHANNEL_TRANSIENT_FAILURE:
-        grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
-                                    GRPC_CHANNEL_TRANSIENT_FAILURE,
-                                    "connecting_transient_failure");
         p->checking_subchannel =
             (p->checking_subchannel + 1) % p->num_subchannels;
+        if (p->checking_subchannel == 0) {
+          /* only trigger transient failure when we've tried all alternatives */
+          grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
+                                      GRPC_CHANNEL_TRANSIENT_FAILURE,
+                                      "connecting_transient_failure");
+        }
         p->checking_connectivity = grpc_subchannel_check_connectivity(
             p->subchannels[p->checking_subchannel]);
         if (p->checking_connectivity == GRPC_CHANNEL_TRANSIENT_FAILURE) {
           grpc_subchannel_notify_on_state_change(
               exec_ctx, p->subchannels[p->checking_subchannel],
-              &p->base.interested_parties, &p->checking_connectivity,
+              p->base.interested_parties, &p->checking_connectivity,
               &p->connectivity_changed);
         } else {
           goto loop;
@@ -311,7 +340,7 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
                                     "connecting_changed");
         grpc_subchannel_notify_on_state_change(
             exec_ctx, p->subchannels[p->checking_subchannel],
-            &p->base.interested_parties, &p->checking_connectivity,
+            p->base.interested_parties, &p->checking_connectivity,
             &p->connectivity_changed);
         break;
       case GRPC_CHANNEL_FATAL_FAILURE:
@@ -357,9 +386,10 @@ static grpc_connectivity_state pf_check_connectivity(grpc_exec_ctx *exec_ctx,
   return st;
 }
 
-void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-                               grpc_connectivity_state *current,
-                               grpc_closure *notify) {
+static void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx,
+                                      grpc_lb_policy *pol,
+                                      grpc_connectivity_state *current,
+                                      grpc_closure *notify) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   grpc_connectivity_state_notify_on_state_change(exec_ctx, &p->state_tracker,
@@ -367,8 +397,8 @@ void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
-void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-                 grpc_closure *closure) {
+static void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                        grpc_closure *closure) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   grpc_connected_subchannel *selected = GET_SELECTED(p);
   if (selected) {
@@ -379,26 +409,50 @@ void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
 }
 
 static const grpc_lb_policy_vtable pick_first_lb_policy_vtable = {
-    pf_destroy, pf_shutdown, pf_pick, pf_cancel_pick, pf_ping_one, pf_exit_idle,
-    pf_check_connectivity, pf_notify_on_state_change};
+    pf_destroy,     pf_shutdown,           pf_pick,
+    pf_cancel_pick, pf_cancel_picks,       pf_ping_one,
+    pf_exit_idle,   pf_check_connectivity, pf_notify_on_state_change};
 
 static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {}
 
 static void pick_first_factory_unref(grpc_lb_policy_factory *factory) {}
 
-static grpc_lb_policy *create_pick_first(grpc_lb_policy_factory *factory,
+static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx,
+                                         grpc_lb_policy_factory *factory,
                                          grpc_lb_policy_args *args) {
+  GPR_ASSERT(args->addresses != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
+
+  if (args->addresses->naddrs == 0) return NULL;
+
   pick_first_lb_policy *p = gpr_malloc(sizeof(*p));
-  GPR_ASSERT(args->num_subchannels > 0);
   memset(p, 0, sizeof(*p));
-  grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable);
+
   p->subchannels =
-      gpr_malloc(sizeof(grpc_subchannel *) * args->num_subchannels);
-  p->num_subchannels = args->num_subchannels;
-  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
-                               "pick_first");
-  memcpy(p->subchannels, args->subchannels,
-         sizeof(grpc_subchannel *) * args->num_subchannels);
+      gpr_malloc(sizeof(grpc_subchannel *) * args->addresses->naddrs);
+  memset(p->subchannels, 0, sizeof(*p->subchannels) * args->addresses->naddrs);
+  grpc_subchannel_args sc_args;
+  size_t subchannel_idx = 0;
+  for (size_t i = 0; i < args->addresses->naddrs; i++) {
+    memset(&sc_args, 0, sizeof(grpc_subchannel_args));
+    sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
+    sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
+
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
+
+    if (subchannel != NULL) {
+      p->subchannels[subchannel_idx++] = subchannel;
+    }
+  }
+  if (subchannel_idx == 0) {
+    gpr_free(p->subchannels);
+    gpr_free(p);
+    return NULL;
+  }
+  p->num_subchannels = subchannel_idx;
+
+  grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable);
   grpc_closure_init(&p->connectivity_changed, pf_connectivity_changed, p);
   gpr_mu_init(&p->mu);
   return &p->base;
@@ -411,6 +465,14 @@ static const grpc_lb_policy_factory_vtable pick_first_factory_vtable = {
 static grpc_lb_policy_factory pick_first_lb_policy_factory = {
     &pick_first_factory_vtable};
 
-grpc_lb_policy_factory *grpc_pick_first_lb_factory_create() {
+static grpc_lb_policy_factory *pick_first_lb_factory_create() {
   return &pick_first_lb_policy_factory;
 }
+
+/* Plugin registration */
+
+void grpc_lb_policy_pick_first_init() {
+  grpc_register_lb_policy(pick_first_lb_factory_create());
+}
+
+void grpc_lb_policy_pick_first_shutdown() {}
diff --git a/src/core/client_config/lb_policies/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c
index b1171c45b0..3f6051b892 100644
--- a/src/core/client_config/lb_policies/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,13 @@
  *
  */
 
-#include "src/core/client_config/lb_policies/round_robin.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/transport/connectivity_state.h"
+
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct round_robin_lb_policy round_robin_lb_policy;
 
@@ -48,6 +49,7 @@ int grpc_lb_round_robin_trace = 0;
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -199,7 +201,7 @@ static void remove_disconnected_sc_locked(round_robin_lb_policy *p,
   gpr_free(node);
 }
 
-void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   size_t i;
   ready_list *elem;
@@ -226,7 +228,7 @@ void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_free(p);
 }
 
-void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   pending_pick *pp;
   size_t i;
@@ -260,7 +262,7 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   while (pp != NULL) {
     pending_pick *next = pp->next;
     if (pp->target == target) {
-      grpc_pollset_set_del_pollset(exec_ctx, &p->base.interested_parties,
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
                                    pp->pollset);
       *target = NULL;
       grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
@@ -274,6 +276,32 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
+static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      *pp->target = NULL;
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
   size_t i;
   p->started_picking = 1;
@@ -285,13 +313,13 @@ static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
     subchannel_data *sd = p->subchannels[i];
     sd->connectivity_state = GRPC_CHANNEL_IDLE;
     grpc_subchannel_notify_on_state_change(
-        exec_ctx, sd->subchannel, &p->base.interested_parties,
+        exec_ctx, sd->subchannel, p->base.interested_parties,
         &sd->connectivity_state, &sd->connectivity_changed_closure);
     GRPC_LB_POLICY_WEAK_REF(&p->base, "round_robin_connectivity");
   }
 }
 
-void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   if (!p->started_picking) {
@@ -300,9 +328,11 @@ void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_mu_unlock(&p->mu);
 }
 
-int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
-            grpc_metadata_batch *initial_metadata,
-            grpc_connected_subchannel **target, grpc_closure *on_complete) {
+static int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                   grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
+                   grpc_connected_subchannel **target,
+                   grpc_closure *on_complete) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   pending_pick *pp;
   ready_list *selected;
@@ -322,13 +352,13 @@ int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
     if (!p->started_picking) {
       start_picking(exec_ctx, p);
     }
-    grpc_pollset_set_add_pollset(exec_ctx, &p->base.interested_parties,
-                                 pollset);
+    grpc_pollset_set_add_pollset(exec_ctx, p->base.interested_parties, pollset);
     pp = gpr_malloc(sizeof(*pp));
     pp->next = p->pending_picks;
     pp->pollset = pollset;
     pp->target = target;
     pp->on_complete = on_complete;
+    pp->initial_metadata_flags = initial_metadata_flags;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
     return 0;
@@ -374,13 +404,13 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
                     "[RR CONN CHANGED] TARGET <-- SUBCHANNEL %p (NODE %p)",
                     selected->subchannel, selected);
           }
-          grpc_pollset_set_del_pollset(exec_ctx, &p->base.interested_parties,
+          grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
                                        pp->pollset);
           grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, true, NULL);
           gpr_free(pp);
         }
         grpc_subchannel_notify_on_state_change(
-            exec_ctx, sd->subchannel, &p->base.interested_parties,
+            exec_ctx, sd->subchannel, p->base.interested_parties,
             &sd->connectivity_state, &sd->connectivity_changed_closure);
         break;
       case GRPC_CHANNEL_CONNECTING:
@@ -389,13 +419,13 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
                                     sd->connectivity_state,
                                     "connecting_changed");
         grpc_subchannel_notify_on_state_change(
-            exec_ctx, sd->subchannel, &p->base.interested_parties,
+            exec_ctx, sd->subchannel, p->base.interested_parties,
             &sd->connectivity_state, &sd->connectivity_changed_closure);
         break;
       case GRPC_CHANNEL_TRANSIENT_FAILURE:
         /* renew state notification */
         grpc_subchannel_notify_on_state_change(
-            exec_ctx, sd->subchannel, &p->base.interested_parties,
+            exec_ctx, sd->subchannel, p->base.interested_parties,
             &sd->connectivity_state, &sd->connectivity_changed_closure);
 
         /* remove from ready list if still present */
@@ -484,37 +514,55 @@ static void rr_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
 }
 
 static const grpc_lb_policy_vtable round_robin_lb_policy_vtable = {
-    rr_destroy, rr_shutdown, rr_pick, rr_cancel_pick, rr_ping_one, rr_exit_idle,
-    rr_check_connectivity, rr_notify_on_state_change};
+    rr_destroy,     rr_shutdown,           rr_pick,
+    rr_cancel_pick, rr_cancel_picks,       rr_ping_one,
+    rr_exit_idle,   rr_check_connectivity, rr_notify_on_state_change};
 
 static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {}
 
 static void round_robin_factory_unref(grpc_lb_policy_factory *factory) {}
 
-static grpc_lb_policy *create_round_robin(grpc_lb_policy_factory *factory,
+static grpc_lb_policy *create_round_robin(grpc_exec_ctx *exec_ctx,
+                                          grpc_lb_policy_factory *factory,
                                           grpc_lb_policy_args *args) {
-  size_t i;
+  GPR_ASSERT(args->addresses != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
+
   round_robin_lb_policy *p = gpr_malloc(sizeof(*p));
-  GPR_ASSERT(args->num_subchannels > 0);
   memset(p, 0, sizeof(*p));
-  grpc_lb_policy_init(&p->base, &round_robin_lb_policy_vtable);
-  p->num_subchannels = args->num_subchannels;
-  p->subchannels = gpr_malloc(sizeof(*p->subchannels) * p->num_subchannels);
-  memset(p->subchannels, 0, sizeof(*p->subchannels) * p->num_subchannels);
-  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
-                               "round_robin");
 
-  gpr_mu_init(&p->mu);
-  for (i = 0; i < args->num_subchannels; i++) {
-    subchannel_data *sd = gpr_malloc(sizeof(*sd));
-    memset(sd, 0, sizeof(*sd));
-    p->subchannels[i] = sd;
-    sd->policy = p;
-    sd->index = i;
-    sd->subchannel = args->subchannels[i];
-    grpc_closure_init(&sd->connectivity_changed_closure,
-                      rr_connectivity_changed, sd);
+  p->subchannels =
+      gpr_malloc(sizeof(*p->subchannels) * args->addresses->naddrs);
+  memset(p->subchannels, 0, sizeof(*p->subchannels) * args->addresses->naddrs);
+
+  grpc_subchannel_args sc_args;
+  size_t subchannel_idx = 0;
+  for (size_t i = 0; i < args->addresses->naddrs; i++) {
+    memset(&sc_args, 0, sizeof(grpc_subchannel_args));
+    sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
+    sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
+
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
+
+    if (subchannel != NULL) {
+      subchannel_data *sd = gpr_malloc(sizeof(*sd));
+      memset(sd, 0, sizeof(*sd));
+      p->subchannels[subchannel_idx] = sd;
+      sd->policy = p;
+      sd->index = subchannel_idx;
+      sd->subchannel = subchannel;
+      ++subchannel_idx;
+      grpc_closure_init(&sd->connectivity_changed_closure,
+                        rr_connectivity_changed, sd);
+    }
   }
+  if (subchannel_idx == 0) {
+    gpr_free(p->subchannels);
+    gpr_free(p);
+    return NULL;
+  }
+  p->num_subchannels = subchannel_idx;
 
   /* The (dummy node) root of the ready list */
   p->ready_list.subchannel = NULL;
@@ -522,6 +570,10 @@ static grpc_lb_policy *create_round_robin(grpc_lb_policy_factory *factory,
   p->ready_list.next = NULL;
   p->ready_list_last_pick = &p->ready_list;
 
+  grpc_lb_policy_init(&p->base, &round_robin_lb_policy_vtable);
+  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
+                               "round_robin");
+  gpr_mu_init(&p->mu);
   return &p->base;
 }
 
@@ -532,6 +584,15 @@ static const grpc_lb_policy_factory_vtable round_robin_factory_vtable = {
 static grpc_lb_policy_factory round_robin_lb_policy_factory = {
     &round_robin_factory_vtable};
 
-grpc_lb_policy_factory *grpc_round_robin_lb_factory_create() {
+static grpc_lb_policy_factory *round_robin_lb_factory_create() {
   return &round_robin_lb_policy_factory;
 }
+
+/* Plugin registration */
+
+void grpc_lb_policy_round_robin_init() {
+  grpc_register_lb_policy(round_robin_lb_factory_create());
+  grpc_register_tracer("round_robin", &grpc_lb_round_robin_trace);
+}
+
+void grpc_lb_policy_round_robin_shutdown() {}
diff --git a/src/core/ext/resolver/dns/native/README.md b/src/core/ext/resolver/dns/native/README.md
new file mode 100644
index 0000000000..695de47b9f
--- /dev/null
+++ b/src/core/ext/resolver/dns/native/README.md
@@ -0,0 +1,2 @@
+dns: scheme name resolution, using getaddrbyname
+(or other OS specific implementation)
diff --git a/src/core/client_config/resolvers/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c
index 376b6b3d76..2749b0ca01 100644
--- a/src/core/client_config/resolvers/dns_resolver.c
+++ b/src/core/ext/resolver/dns/native/dns_resolver.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,23 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/support/backoff.h"
+#include "src/core/lib/support/string.h"
+
+#define BACKOFF_MULTIPLIER 1.6
+#define BACKOFF_JITTER 0.2
+#define BACKOFF_MIN_SECONDS 1
+#define BACKOFF_MAX_SECONDS 120
 
 typedef struct {
   /** base class: must be first */
@@ -53,7 +59,7 @@ typedef struct {
   /** default port to use */
   char *default_port;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -71,6 +77,11 @@ typedef struct {
   grpc_client_config **target_config;
   /** current (fully resolved) config */
   grpc_client_config *resolved_config;
+  /** retry timer */
+  bool have_retry_timer;
+  grpc_timer retry_timer;
+  /** retry backoff state */
+  gpr_backoff backoff_state;
 } dns_resolver;
 
 static void dns_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *r);
@@ -91,6 +102,9 @@ static const grpc_resolver_vtable dns_resolver_vtable = {
 static void dns_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
   dns_resolver *r = (dns_resolver *)resolver;
   gpr_mu_lock(&r->mu);
+  if (r->have_retry_timer) {
+    grpc_timer_cancel(exec_ctx, &r->retry_timer);
+  }
   if (r->next_completion != NULL) {
     *r->target_config = NULL;
     grpc_exec_ctx_enqueue(exec_ctx, r->next_completion, true, NULL);
@@ -104,6 +118,7 @@ static void dns_channel_saw_error(grpc_exec_ctx *exec_ctx,
   dns_resolver *r = (dns_resolver *)resolver;
   gpr_mu_lock(&r->mu);
   if (!r->resolving) {
+    gpr_backoff_reset(&r->backoff_state);
     dns_start_resolving_locked(r);
   }
   gpr_mu_unlock(&r->mu);
@@ -118,6 +133,7 @@ static void dns_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
   r->next_completion = on_complete;
   r->target_config = target_config;
   if (r->resolved_version == 0 && !r->resolving) {
+    gpr_backoff_reset(&r->backoff_state);
     dns_start_resolving_locked(r);
   } else {
     dns_maybe_finish_next_locked(exec_ctx, r);
@@ -125,37 +141,55 @@ static void dns_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
   gpr_mu_unlock(&r->mu);
 }
 
+static void dns_on_retry_timer(grpc_exec_ctx *exec_ctx, void *arg,
+                               bool success) {
+  dns_resolver *r = arg;
+
+  gpr_mu_lock(&r->mu);
+  r->have_retry_timer = false;
+  if (success) {
+    if (!r->resolving) {
+      dns_start_resolving_locked(r);
+    }
+  }
+  gpr_mu_unlock(&r->mu);
+
+  GRPC_RESOLVER_UNREF(exec_ctx, &r->base, "retry-timer");
+}
+
 static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
                             grpc_resolved_addresses *addresses) {
   dns_resolver *r = arg;
   grpc_client_config *config = NULL;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
   grpc_lb_policy *lb_policy;
-  size_t i;
-  if (addresses) {
+  gpr_mu_lock(&r->mu);
+  GPR_ASSERT(r->resolving);
+  r->resolving = 0;
+  if (addresses != NULL) {
     grpc_lb_policy_args lb_policy_args;
     config = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * addresses->naddrs);
-    for (i = 0; i < addresses->naddrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)(addresses->addrs[i].addr);
-      args.addr_len = (size_t)addresses->addrs[i].len;
-      subchannels[i] = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
-    }
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = addresses->naddrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
-    grpc_client_config_set_lb_policy(config, lb_policy);
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
+    lb_policy_args.addresses = addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
+    if (lb_policy != NULL) {
+      grpc_client_config_set_lb_policy(config, lb_policy);
+      GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
+    }
     grpc_resolved_addresses_destroy(addresses);
-    gpr_free(subchannels);
+  } else {
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    gpr_timespec next_try = gpr_backoff_step(&r->backoff_state, now);
+    gpr_timespec timeout = gpr_time_sub(next_try, now);
+    gpr_log(GPR_DEBUG, "dns resolution failed: retrying in %d.%09d seconds",
+            timeout.tv_sec, timeout.tv_nsec);
+    GPR_ASSERT(!r->have_retry_timer);
+    r->have_retry_timer = true;
+    GRPC_RESOLVER_REF(&r->base, "retry-timer");
+    grpc_timer_init(exec_ctx, &r->retry_timer, next_try, dns_on_retry_timer, r,
+                    now);
   }
-  gpr_mu_lock(&r->mu);
-  GPR_ASSERT(r->resolving);
-  r->resolving = 0;
   if (r->resolved_config) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
@@ -194,7 +228,7 @@ static void dns_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   if (r->resolved_config) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->default_port);
   gpr_free(r->lb_policy_name);
@@ -221,8 +255,10 @@ static grpc_resolver *dns_create(grpc_resolver_args *args,
   grpc_resolver_init(&r->base, &dns_resolver_vtable);
   r->name = gpr_strdup(path);
   r->default_port = gpr_strdup(default_port);
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  gpr_backoff_init(&r->backoff_state, BACKOFF_MULTIPLIER, BACKOFF_JITTER,
+                   BACKOFF_MIN_SECONDS * 1000, BACKOFF_MAX_SECONDS * 1000);
+  grpc_client_channel_factory_ref(r->client_channel_factory);
   r->lb_policy_name = gpr_strdup(lb_policy_name);
   return &r->base;
 }
@@ -240,8 +276,8 @@ static grpc_resolver *dns_factory_create_resolver(
   return dns_create(args, "https", "pick_first");
 }
 
-char *dns_factory_get_default_host_name(grpc_resolver_factory *factory,
-                                        grpc_uri *uri) {
+static char *dns_factory_get_default_host_name(grpc_resolver_factory *factory,
+                                               grpc_uri *uri) {
   const char *path = uri->path;
   if (path[0] == '/') ++path;
   return gpr_strdup(path);
@@ -252,6 +288,12 @@ static const grpc_resolver_factory_vtable dns_factory_vtable = {
     dns_factory_get_default_host_name, "dns"};
 static grpc_resolver_factory dns_resolver_factory = {&dns_factory_vtable};
 
-grpc_resolver_factory *grpc_dns_resolver_factory_create() {
+static grpc_resolver_factory *dns_resolver_factory_create() {
   return &dns_resolver_factory;
 }
+
+void grpc_resolver_dns_native_init(void) {
+  grpc_register_resolver_type(dns_resolver_factory_create());
+}
+
+void grpc_resolver_dns_native_shutdown(void) {}
diff --git a/src/core/ext/resolver/sockaddr/README.md b/src/core/ext/resolver/sockaddr/README.md
new file mode 100644
index 0000000000..e307ba88f5
--- /dev/null
+++ b/src/core/ext/resolver/sockaddr/README.md
@@ -0,0 +1 @@
+Support for resolving ipv4:, ipv6:, unix: schemes
diff --git a/src/core/client_config/resolvers/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
index 68910ad975..a4fa9acf22 100644
--- a/src/core/client_config/resolvers/sockaddr_resolver.c
+++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
@@ -31,23 +31,21 @@
  *
  */
 
-#include <grpc/support/port_platform.h>
-
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-
+#include <stdbool.h>
 #include <stdio.h>
 #include <string.h>
-#ifdef GPR_POSIX_SOCKET
-#include <sys/un.h>
-#endif
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/parse_address.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   /** base class: must be first */
@@ -55,16 +53,12 @@ typedef struct {
   /** refcount */
   gpr_refcount refs;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
   /** the addresses that we've 'resolved' */
-  struct sockaddr_storage *addrs;
-  /** the corresponding length of the addresses */
-  size_t *addrs_len;
-  /** how many elements in \a addrs */
-  size_t num_addrs;
+  grpc_resolved_addresses *addresses;
 
   /** mutex guarding the rest of the state */
   gpr_mu mu;
@@ -127,28 +121,14 @@ static void sockaddr_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
 
 static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
                                               sockaddr_resolver *r) {
-  grpc_client_config *cfg;
-  grpc_lb_policy *lb_policy;
-  grpc_lb_policy_args lb_policy_args;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
-
   if (r->next_completion != NULL && !r->published) {
-    size_t i;
-    cfg = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * r->num_addrs);
-    for (i = 0; i < r->num_addrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)&r->addrs[i];
-      args.addr_len = r->addrs_len[i];
-      subchannels[i] = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
-    }
+    grpc_client_config *cfg = grpc_client_config_create();
+    grpc_lb_policy_args lb_policy_args;
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = r->num_addrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
-    gpr_free(subchannels);
+    lb_policy_args.addresses = r->addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    grpc_lb_policy *lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
     grpc_client_config_set_lb_policy(cfg, lb_policy);
     GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "sockaddr");
     r->published = 1;
@@ -161,31 +141,12 @@ static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
 static void sockaddr_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   sockaddr_resolver *r = (sockaddr_resolver *)gr;
   gpr_mu_destroy(&r->mu);
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
-  gpr_free(r->addrs);
-  gpr_free(r->addrs_len);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
+  grpc_resolved_addresses_destroy(r->addresses);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
 }
 
-#ifdef GPR_POSIX_SOCKET
-static int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  struct sockaddr_un *un = (struct sockaddr_un *)addr;
-
-  un->sun_family = AF_UNIX;
-  strcpy(un->sun_path, uri->path);
-  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
-
-  return 1;
-}
-
-static char *unix_get_default_authority(grpc_resolver_factory *factory,
-                                        grpc_uri *uri) {
-  return gpr_strdup("localhost");
-}
-#endif
-
 static char *ip_get_default_authority(grpc_uri *uri) {
   const char *path = uri->path;
   if (path[0] == '/') ++path;
@@ -202,94 +163,18 @@ static char *ipv6_get_default_authority(grpc_resolver_factory *factory,
   return ip_get_default_authority(uri);
 }
 
-static int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  const char *host_port = uri->path;
-  char *host;
-  char *port;
-  int port_num;
-  int result = 0;
-  struct sockaddr_in *in = (struct sockaddr_in *)addr;
-
-  if (*host_port == '/') ++host_port;
-  if (!gpr_split_host_port(host_port, &host, &port)) {
-    return 0;
-  }
-
-  memset(in, 0, sizeof(*in));
-  *len = sizeof(*in);
-  in->sin_family = AF_INET;
-  if (inet_pton(AF_INET, host, &in->sin_addr) == 0) {
-    gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host);
-    goto done;
-  }
-
-  if (port != NULL) {
-    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
-        port_num > 65535) {
-      gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port);
-      goto done;
-    }
-    in->sin_port = htons((uint16_t)port_num);
-  } else {
-    gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
-    goto done;
-  }
-
-  result = 1;
-done:
-  gpr_free(host);
-  gpr_free(port);
-  return result;
-}
-
-static int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  const char *host_port = uri->path;
-  char *host;
-  char *port;
-  int port_num;
-  int result = 0;
-  struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
-
-  if (*host_port == '/') ++host_port;
-  if (!gpr_split_host_port(host_port, &host, &port)) {
-    return 0;
-  }
-
-  memset(in6, 0, sizeof(*in6));
-  *len = sizeof(*in6);
-  in6->sin6_family = AF_INET6;
-  if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) {
-    gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host);
-    goto done;
-  }
-
-  if (port != NULL) {
-    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
-        port_num > 65535) {
-      gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port);
-      goto done;
-    }
-    in6->sin6_port = htons((uint16_t)port_num);
-  } else {
-    gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
-    goto done;
-  }
-
-  result = 1;
-done:
-  gpr_free(host);
-  gpr_free(port);
-  return result;
+#ifdef GPR_HAVE_UNIX_SOCKET
+char *unix_get_default_authority(grpc_resolver_factory *factory,
+                                 grpc_uri *uri) {
+  return gpr_strdup("localhost");
 }
+#endif
 
 static void do_nothing(void *ignored) {}
 
 static grpc_resolver *sockaddr_create(
     grpc_resolver_args *args, const char *default_lb_policy_name,
     int parse(grpc_uri *uri, struct sockaddr_storage *dst, size_t *len)) {
-  size_t i;
   int errors_found = 0; /* GPR_FALSE */
   sockaddr_resolver *r;
   gpr_slice path_slice;
@@ -304,22 +189,24 @@ static grpc_resolver *sockaddr_create(
   r = gpr_malloc(sizeof(sockaddr_resolver));
   memset(r, 0, sizeof(*r));
 
-  r->lb_policy_name = NULL;
-  if (0 != strcmp(args->uri->query, "")) {
-    gpr_slice query_slice;
-    gpr_slice_buffer query_parts;
-
-    query_slice =
-        gpr_slice_new(args->uri->query, strlen(args->uri->query), do_nothing);
-    gpr_slice_buffer_init(&query_parts);
-    gpr_slice_split(query_slice, "=", &query_parts);
-    GPR_ASSERT(query_parts.count == 2);
-    if (0 == gpr_slice_str_cmp(query_parts.slices[0], "lb_policy")) {
-      r->lb_policy_name = gpr_dump_slice(query_parts.slices[1], GPR_DUMP_ASCII);
-    }
-    gpr_slice_buffer_destroy(&query_parts);
-    gpr_slice_unref(query_slice);
+  r->lb_policy_name =
+      gpr_strdup(grpc_uri_get_query_arg(args->uri, "lb_policy"));
+  const char *lb_enabled_qpart =
+      grpc_uri_get_query_arg(args->uri, "lb_enabled");
+  /* anything other than "0" is interpreted as true */
+  const bool lb_enabled =
+      (lb_enabled_qpart != NULL && (strcmp("0", lb_enabled_qpart) != 0));
+
+  if (r->lb_policy_name != NULL && strcmp("grpclb", r->lb_policy_name) == 0 &&
+      !lb_enabled) {
+    /* we want grpclb but the "resolved" addresses aren't LB enabled. Bail
+     * out, as this is meant mostly for tests. */
+    gpr_log(GPR_ERROR,
+            "Requested 'grpclb' LB policy but resolved addresses don't "
+            "support load balancing.");
+    abort();
   }
+
   if (r->lb_policy_name == NULL) {
     r->lb_policy_name = gpr_strdup(default_lb_policy_name);
   }
@@ -329,15 +216,18 @@ static grpc_resolver *sockaddr_create(
   gpr_slice_buffer_init(&path_parts);
 
   gpr_slice_split(path_slice, ",", &path_parts);
-  r->num_addrs = path_parts.count;
-  r->addrs = gpr_malloc(sizeof(struct sockaddr_storage) * r->num_addrs);
-  r->addrs_len = gpr_malloc(sizeof(*r->addrs_len) * r->num_addrs);
+  r->addresses = gpr_malloc(sizeof(grpc_resolved_addresses));
+  r->addresses->naddrs = path_parts.count;
+  r->addresses->addrs =
+      gpr_malloc(sizeof(grpc_resolved_address) * r->addresses->naddrs);
 
-  for (i = 0; i < r->num_addrs; i++) {
+  for (size_t i = 0; i < r->addresses->naddrs; i++) {
     grpc_uri ith_uri = *args->uri;
     char *part_str = gpr_dump_slice(path_parts.slices[i], GPR_DUMP_ASCII);
     ith_uri.path = part_str;
-    if (!parse(&ith_uri, &r->addrs[i], &r->addrs_len[i])) {
+    if (!parse(&ith_uri,
+               (struct sockaddr_storage *)(&r->addresses->addrs[i].addr),
+               &r->addresses->addrs[i].len)) {
       errors_found = 1; /* GPR_TRUE */
     }
     gpr_free(part_str);
@@ -348,8 +238,7 @@ static grpc_resolver *sockaddr_create(
   gpr_slice_unref(path_slice);
   if (errors_found) {
     gpr_free(r->lb_policy_name);
-    gpr_free(r->addrs);
-    gpr_free(r->addrs_len);
+    grpc_resolved_addresses_destroy(r->addresses);
     gpr_free(r);
     return NULL;
   }
@@ -357,8 +246,8 @@ static grpc_resolver *sockaddr_create(
   gpr_ref_init(&r->refs, 1);
   gpr_mu_init(&r->mu);
   grpc_resolver_init(&r->base, &sockaddr_resolver_vtable);
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   return &r->base;
 }
@@ -380,12 +269,20 @@ static void sockaddr_factory_unref(grpc_resolver_factory *factory) {}
       sockaddr_factory_ref, sockaddr_factory_unref,                         \
       name##_factory_create_resolver, name##_get_default_authority, #name}; \
   static grpc_resolver_factory name##_resolver_factory = {                  \
-      &name##_factory_vtable};                                              \
-  grpc_resolver_factory *grpc_##name##_resolver_factory_create() {          \
-    return &name##_resolver_factory;                                        \
-  }
+      &name##_factory_vtable}
 
-#ifdef GPR_POSIX_SOCKET
-DECL_FACTORY(unix)
+#ifdef GPR_HAVE_UNIX_SOCKET
+DECL_FACTORY(unix);
+#endif
+DECL_FACTORY(ipv4);
+DECL_FACTORY(ipv6);
+
+void grpc_resolver_sockaddr_init(void) {
+  grpc_register_resolver_type(&ipv4_resolver_factory);
+  grpc_register_resolver_type(&ipv6_resolver_factory);
+#ifdef GPR_HAVE_UNIX_SOCKET
+  grpc_register_resolver_type(&unix_resolver_factory);
 #endif
-DECL_FACTORY(ipv4) DECL_FACTORY(ipv6)
+}
+
+void grpc_resolver_sockaddr_shutdown(void) {}
diff --git a/src/core/ext/resolver/zookeeper/README.md b/src/core/ext/resolver/zookeeper/README.md
new file mode 100644
index 0000000000..ce6f39683b
--- /dev/null
+++ b/src/core/ext/resolver/zookeeper/README.md
@@ -0,0 +1 @@
+Zookeeper based name resolver: WIP
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.c b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
index 166738e768..898632c3cd 100644
--- a/src/core/client_config/resolvers/zookeeper_resolver.c
+++ b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,6 @@
  *
  */
 
-#include "src/core/client_config/resolvers/zookeeper_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
@@ -41,12 +39,12 @@
 #include <grpc/grpc_zookeeper.h>
 #include <zookeeper/zookeeper.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/json/json.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
 
 /** Zookeeper session expiration time in milliseconds */
 #define GRPC_ZOOKEEPER_SESSION_TIMEOUT 15000
@@ -59,7 +57,7 @@ typedef struct {
   /** name to resolve */
   char *name;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -184,28 +182,21 @@ static void zookeeper_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
                                   grpc_resolved_addresses *addresses) {
   zookeeper_resolver *r = arg;
   grpc_client_config *config = NULL;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
   grpc_lb_policy *lb_policy;
-  size_t i;
+
   if (addresses != NULL) {
     grpc_lb_policy_args lb_policy_args;
     config = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * addresses->naddrs);
-    for (i = 0; i < addresses->naddrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)(addresses->addrs[i].addr);
-      args.addr_len = addresses->addrs[i].len;
-      subchannels[i] = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
+    lb_policy_args.addresses = addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
+
+    if (lb_policy != NULL) {
+      grpc_client_config_set_lb_policy(config, lb_policy);
+      GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     }
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = addresses->naddrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
-    grpc_client_config_set_lb_policy(config, lb_policy);
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     grpc_resolved_addresses_destroy(addresses);
-    gpr_free(subchannels);
   }
   gpr_mu_lock(&r->mu);
   GPR_ASSERT(r->resolving == 1);
@@ -432,7 +423,7 @@ static void zookeeper_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   if (r->resolved_config != NULL) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
@@ -462,8 +453,8 @@ static grpc_resolver *zookeeper_create(grpc_resolver_args *args,
   grpc_resolver_init(&r->base, &zookeeper_resolver_vtable);
   r->name = gpr_strdup(path);
 
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   r->lb_policy_name = gpr_strdup(lb_policy_name);
 
@@ -480,15 +471,6 @@ static grpc_resolver *zookeeper_create(grpc_resolver_args *args,
   return &r->base;
 }
 
-static void zookeeper_plugin_init() {
-  grpc_register_resolver_type(grpc_zookeeper_resolver_factory_create());
-}
-
-void grpc_zookeeper_register() {
-  GRPC_API_TRACE("grpc_zookeeper_register(void)", 0, ());
-  grpc_register_plugin(zookeeper_plugin_init, NULL);
-}
-
 /*
  * FACTORY
  */
@@ -515,6 +497,15 @@ static const grpc_resolver_factory_vtable zookeeper_factory_vtable = {
 static grpc_resolver_factory zookeeper_resolver_factory = {
     &zookeeper_factory_vtable};
 
-grpc_resolver_factory *grpc_zookeeper_resolver_factory_create() {
+static grpc_resolver_factory *zookeeper_resolver_factory_create() {
   return &zookeeper_resolver_factory;
 }
+
+static void zookeeper_plugin_init() {
+  grpc_register_resolver_type(zookeeper_resolver_factory_create());
+}
+
+void grpc_zookeeper_register() {
+  GRPC_API_TRACE("grpc_zookeeper_register(void)", 0, ());
+  grpc_register_plugin(zookeeper_plugin_init, NULL);
+}
diff --git a/src/core/transport/chttp2/alpn.c b/src/core/ext/transport/chttp2/alpn/alpn.c
index 69da4e6718..48b0217265 100644
--- a/src/core/transport/chttp2/alpn.c
+++ b/src/core/ext/transport/chttp2/alpn/alpn.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
diff --git a/src/core/transport/chttp2/alpn.h b/src/core/ext/transport/chttp2/alpn/alpn.h
index f38b4c3167..1316770f11 100644
--- a/src/core/transport/chttp2/alpn.h
+++ b/src/core/ext/transport/chttp2/alpn/alpn.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
 
 #include <string.h>
 
@@ -46,4 +46,4 @@ size_t grpc_chttp2_num_alpn_versions(void);
  * grpc_chttp2_num_alpn_versions()) */
 const char *grpc_chttp2_get_alpn_version_index(size_t i);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H */
diff --git a/src/core/ext/transport/chttp2/client/insecure/README.md b/src/core/ext/transport/chttp2/client/insecure/README.md
new file mode 100644
index 0000000000..fa11463388
--- /dev/null
+++ b/src/core/ext/transport/chttp2/client/insecure/README.md
@@ -0,0 +1 @@
+Plugin for creating insecure channels using chttp2
diff --git a/src/core/surface/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
index fd7e20e9cc..0ed115793b 100644
--- a/src/core/surface/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,16 +40,15 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
 
 typedef struct {
   grpc_connector base;
@@ -105,9 +104,6 @@ static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
                                         0);
     GPR_ASSERT(c->result->transport);
     c->result->channel_args = c->args.channel_args;
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *));
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->num_filters = 1;
   } else {
     memset(c->result, 0, sizeof(*c->result));
   }
@@ -139,31 +135,35 @@ static const grpc_connector_vtable connector_vtable = {
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -178,9 +178,33 @@ static grpc_subchannel *subchannel_factory_create_subchannel(
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (!resolver) {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    return NULL;
+  }
+
+  grpc_client_channel_set_resolver(
+      exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+  GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel");
+
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a client channel:
    Asynchronously: - resolve target
@@ -189,47 +213,27 @@ static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
 grpc_channel *grpc_insecure_channel_create(const char *target,
                                            const grpc_channel_args *args,
                                            void *reserved) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_resolver *resolver;
-  subchannel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
   GRPC_API_TRACE(
       "grpc_insecure_channel_create(target=%p, args=%p, reserved=%p)", 3,
       (target, args, reserved));
   GPR_ASSERT(!reserved);
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, n, args, 1);
 
-  f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  client_channel_factory *f = gpr_malloc(sizeof(*f));
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
   f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, f->master, "subchannel_factory");
-    grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return NULL;
-  }
 
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_insecure_channel_create");
+  }
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel; /* may be NULL */
 }
diff --git a/src/core/ext/transport/chttp2/client/secure/README.md b/src/core/ext/transport/chttp2/client/secure/README.md
new file mode 100644
index 0000000000..405a86e5db
--- /dev/null
+++ b/src/core/ext/transport/chttp2/client/secure/README.md
@@ -0,0 +1 @@
+Plugin for creating secure channels using chttp2
diff --git a/src/core/surface/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
index 9c04426d87..58af6f995a 100644
--- a/src/core/surface/secure_channel_create.c
+++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,20 +40,17 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 typedef struct {
   grpc_connector base;
@@ -115,10 +112,6 @@ static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg,
     args_copy = grpc_channel_args_copy_and_add(c->args.channel_args,
                                                &auth_context_arg, 1);
     c->result->channel_args = args_copy;
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *) * 2);
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->filters[1] = &grpc_client_auth_filter;
-    c->result->num_filters = 2;
   }
   notify = c->notify;
   c->notify = NULL;
@@ -130,9 +123,9 @@ static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg,
 static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg,
                                            bool success) {
   connector *c = arg;
-  grpc_security_connector_do_handshake(exec_ctx, &c->security_connector->base,
-                                       c->connecting_endpoint,
-                                       on_secure_handshake_done, c);
+  grpc_channel_security_connector_do_handshake(exec_ctx, c->security_connector,
+                                               c->connecting_endpoint,
+                                               on_secure_handshake_done, c);
 }
 
 static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
@@ -153,9 +146,8 @@ static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
       grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer,
                           &c->initial_string_sent);
     } else {
-      grpc_security_connector_do_handshake(exec_ctx,
-                                           &c->security_connector->base, tcp,
-                                           on_secure_handshake_done, c);
+      grpc_channel_security_connector_do_handshake(
+          exec_ctx, c->security_connector, tcp, on_secure_handshake_done, c);
     }
   } else {
     memset(c->result, 0, sizeof(*c->result));
@@ -200,34 +192,38 @@ static const grpc_connector_vtable connector_vtable = {
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel_security_connector *security_connector;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
     GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
-                                  "subchannel_factory");
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+                                  "client_channel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -244,9 +240,37 @@ static grpc_subchannel *subchannel_factory_create_subchannel(
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (resolver != NULL) {
+    grpc_client_channel_set_resolver(
+        exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create");
+  } else {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    channel = NULL;
+  }
+
+  GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
+                                "client_channel_factory_create_channel");
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a secure client channel:
    Asynchronously: - resolve target
@@ -256,17 +280,12 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
                                          const char *target,
                                          const grpc_channel_args *args,
                                          void *reserved) {
-  grpc_channel *channel;
   grpc_arg connector_arg;
   grpc_channel_args *args_copy;
   grpc_channel_args *new_args_from_connector;
   grpc_channel_security_connector *security_connector;
-  grpc_resolver *resolver;
-  subchannel_factory *f;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
+  client_channel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
 
   GRPC_API_TRACE(
       "grpc_secure_channel_create(creds=%p, target=%s, args=%p, "
@@ -278,7 +297,7 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
     gpr_log(GPR_ERROR, "Cannot set security context in channel args.");
     grpc_exec_ctx_finish(&exec_ctx);
     return grpc_lame_client_channel_create(
-        target, GRPC_STATUS_INVALID_ARGUMENT,
+        target, GRPC_STATUS_INTERNAL,
         "Security connector exists in channel args.");
   }
 
@@ -287,50 +306,38 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
       GRPC_SECURITY_OK) {
     grpc_exec_ctx_finish(&exec_ctx);
     return grpc_lame_client_channel_create(
-        target, GRPC_STATUS_INVALID_ARGUMENT,
-        "Failed to create security connector.");
+        target, GRPC_STATUS_INTERNAL, "Failed to create security connector.");
   }
 
   connector_arg = grpc_security_connector_to_arg(&security_connector->base);
   args_copy = grpc_channel_args_copy_and_add(
       new_args_from_connector != NULL ? new_args_from_connector : args,
       &connector_arg, 1);
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel = grpc_channel_create_from_filters(&exec_ctx, target, filters, n,
-                                             args_copy, 1);
 
   f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
-  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, "subchannel_factory");
-  f->security_connector = security_connector;
+
   f->merge_args = grpc_channel_args_copy(args_copy);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(channel, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (resolver) {
-    grpc_client_channel_set_resolver(
-        &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-    GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  }
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-  GRPC_SECURITY_CONNECTOR_UNREF(&security_connector->base, "channel_create");
   grpc_channel_args_destroy(args_copy);
   if (new_args_from_connector != NULL) {
     grpc_channel_args_destroy(new_args_from_connector);
   }
 
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "subchannel_factory");
-    channel = NULL;
+  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base,
+                              "grpc_secure_channel_create");
+  f->security_connector = security_connector;
+
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_secure_channel_create");
   }
+
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel; /* may be NULL */
 }
diff --git a/src/core/ext/transport/chttp2/server/insecure/README.md b/src/core/ext/transport/chttp2/server/insecure/README.md
new file mode 100644
index 0000000000..fc0bc14ed7
--- /dev/null
+++ b/src/core/ext/transport/chttp2/server/insecure/README.md
@@ -0,0 +1 @@
+Plugin for creating insecure servers using chttp2
diff --git a/src/core/surface/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
index ce970dfe73..e21fa2a072 100644
--- a/src/core/surface/server_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,22 +33,19 @@
 
 #include <grpc/grpc.h>
 
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/server.h"
 
 static void setup_transport(grpc_exec_ctx *exec_ctx, void *server,
                             grpc_transport *transport) {
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
-  grpc_server_setup_transport(exec_ctx, server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(exec_ctx, server, transport,
                               grpc_server_get_channel_args(server));
 }
 
diff --git a/src/core/ext/transport/chttp2/server/secure/README.md b/src/core/ext/transport/chttp2/server/secure/README.md
new file mode 100644
index 0000000000..6bda696a9a
--- /dev/null
+++ b/src/core/ext/transport/chttp2/server/secure/README.md
@@ -0,0 +1 @@
+Plugin for creating secure servers using chttp2
diff --git a/src/core/security/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
index 84a883390c..698b2bef61 100644
--- a/src/core/security/server_secure_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,27 +35,27 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/server.h"
 
 typedef struct grpc_server_secure_state {
   grpc_server *server;
   grpc_tcp_server *tcp;
-  grpc_security_connector *sc;
+  grpc_server_security_connector *sc;
   grpc_server_credentials *creds;
   int is_shutdown;
   gpr_mu mu;
@@ -74,7 +74,7 @@ static void state_unref(grpc_server_secure_state *state) {
     gpr_mu_lock(&state->mu);
     gpr_mu_unlock(&state->mu);
     /* clean up */
-    GRPC_SECURITY_CONNECTOR_UNREF(state->sc, "server");
+    GRPC_SECURITY_CONNECTOR_UNREF(&state->sc->base, "server");
     grpc_server_credentials_unref(state->creds);
     gpr_free(state);
   }
@@ -83,8 +83,6 @@ static void state_unref(grpc_server_secure_state *state) {
 static void setup_transport(grpc_exec_ctx *exec_ctx, void *statep,
                             grpc_transport *transport,
                             grpc_auth_context *auth_context) {
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_server_auth_filter, &grpc_http_server_filter};
   grpc_server_secure_state *state = statep;
   grpc_channel_args *args_copy;
   grpc_arg args_to_add[2];
@@ -93,8 +91,7 @@ static void setup_transport(grpc_exec_ctx *exec_ctx, void *statep,
   args_copy = grpc_channel_args_copy_and_add(
       grpc_server_get_channel_args(state->server), args_to_add,
       GPR_ARRAY_SIZE(args_to_add));
-  grpc_server_setup_transport(exec_ctx, state->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters), args_copy);
+  grpc_server_setup_transport(exec_ctx, state->server, transport, args_copy);
   grpc_channel_args_destroy(args_copy);
 }
 
@@ -130,8 +127,8 @@ static void on_accept(grpc_exec_ctx *exec_ctx, void *statep, grpc_endpoint *tcp,
                       grpc_tcp_server_acceptor *acceptor) {
   grpc_server_secure_state *state = statep;
   state_ref(state);
-  grpc_security_connector_do_handshake(exec_ctx, state->sc, tcp,
-                                       on_secure_handshake_done, state);
+  grpc_server_security_connector_do_handshake(
+      exec_ctx, state->sc, acceptor, tcp, on_secure_handshake_done, state);
 }
 
 /* Server callback: start listening on our ports */
@@ -148,7 +145,7 @@ static void destroy_done(grpc_exec_ctx *exec_ctx, void *statep, bool success) {
     state->destroy_callback->cb(exec_ctx, state->destroy_callback->cb_arg,
                                 success);
   }
-  grpc_security_connector_shutdown(exec_ctx, state->sc);
+  grpc_server_security_connector_shutdown(exec_ctx, state->sc);
   state_unref(state);
 }
 
@@ -176,7 +173,7 @@ int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr,
   int port_num = -1;
   int port_temp;
   grpc_security_status status = GRPC_SECURITY_ERROR;
-  grpc_security_connector *sc = NULL;
+  grpc_server_security_connector *sc = NULL;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
   GRPC_API_TRACE(
@@ -256,7 +253,7 @@ error:
     grpc_tcp_server_unref(&exec_ctx, tcp);
   } else {
     if (sc) {
-      GRPC_SECURITY_CONNECTOR_UNREF(sc, "server");
+      GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "server");
     }
     if (state) {
       gpr_free(state);
diff --git a/src/core/ext/transport/chttp2/transport/README.md b/src/core/ext/transport/chttp2/transport/README.md
new file mode 100644
index 0000000000..4684e58759
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/README.md
@@ -0,0 +1,4 @@
+chttp2 transport plugin - implements grpc over http2
+
+Used by chttp2/{client,server}/{insecure,secure} plugins to implement most of
+their functionality
diff --git a/src/core/transport/chttp2/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c
index f26bc7e29b..db68e750ac 100644
--- a/src/core/transport/chttp2/bin_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/huffsyms.h"
 #include <grpc/support/log.h>
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
 
 static const char alphabet[] =
     "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
@@ -46,70 +46,18 @@ typedef struct {
   uint8_t length;
 } b64_huff_sym;
 
-static const b64_huff_sym huff_alphabet[64] = {{0x21, 6},
-                                               {0x5d, 7},
-                                               {0x5e, 7},
-                                               {0x5f, 7},
-                                               {0x60, 7},
-                                               {0x61, 7},
-                                               {0x62, 7},
-                                               {0x63, 7},
-                                               {0x64, 7},
-                                               {0x65, 7},
-                                               {0x66, 7},
-                                               {0x67, 7},
-                                               {0x68, 7},
-                                               {0x69, 7},
-                                               {0x6a, 7},
-                                               {0x6b, 7},
-                                               {0x6c, 7},
-                                               {0x6d, 7},
-                                               {0x6e, 7},
-                                               {0x6f, 7},
-                                               {0x70, 7},
-                                               {0x71, 7},
-                                               {0x72, 7},
-                                               {0xfc, 8},
-                                               {0x73, 7},
-                                               {0xfd, 8},
-                                               {0x3, 5},
-                                               {0x23, 6},
-                                               {0x4, 5},
-                                               {0x24, 6},
-                                               {0x5, 5},
-                                               {0x25, 6},
-                                               {0x26, 6},
-                                               {0x27, 6},
-                                               {0x6, 5},
-                                               {0x74, 7},
-                                               {0x75, 7},
-                                               {0x28, 6},
-                                               {0x29, 6},
-                                               {0x2a, 6},
-                                               {0x7, 5},
-                                               {0x2b, 6},
-                                               {0x76, 7},
-                                               {0x2c, 6},
-                                               {0x8, 5},
-                                               {0x9, 5},
-                                               {0x2d, 6},
-                                               {0x77, 7},
-                                               {0x78, 7},
-                                               {0x79, 7},
-                                               {0x7a, 7},
-                                               {0x7b, 7},
-                                               {0x0, 5},
-                                               {0x1, 5},
-                                               {0x2, 5},
-                                               {0x19, 6},
-                                               {0x1a, 6},
-                                               {0x1b, 6},
-                                               {0x1c, 6},
-                                               {0x1d, 6},
-                                               {0x1e, 6},
-                                               {0x1f, 6},
-                                               {0x7fb, 11},
-                                               {0x18, 6}};
+static const b64_huff_sym huff_alphabet[64] = {
+    {0x21, 6}, {0x5d, 7}, {0x5e, 7},   {0x5f, 7}, {0x60, 7}, {0x61, 7},
+    {0x62, 7}, {0x63, 7}, {0x64, 7},   {0x65, 7}, {0x66, 7}, {0x67, 7},
+    {0x68, 7}, {0x69, 7}, {0x6a, 7},   {0x6b, 7}, {0x6c, 7}, {0x6d, 7},
+    {0x6e, 7}, {0x6f, 7}, {0x70, 7},   {0x71, 7}, {0x72, 7}, {0xfc, 8},
+    {0x73, 7}, {0xfd, 8}, {0x3, 5},    {0x23, 6}, {0x4, 5},  {0x24, 6},
+    {0x5, 5},  {0x25, 6}, {0x26, 6},   {0x27, 6}, {0x6, 5},  {0x74, 7},
+    {0x75, 7}, {0x28, 6}, {0x29, 6},   {0x2a, 6}, {0x7, 5},  {0x2b, 6},
+    {0x76, 7}, {0x2c, 6}, {0x8, 5},    {0x9, 5},  {0x2d, 6}, {0x77, 7},
+    {0x78, 7}, {0x79, 7}, {0x7a, 7},   {0x7b, 7}, {0x0, 5},  {0x1, 5},
+    {0x2, 5},  {0x19, 6}, {0x1a, 6},   {0x1b, 6}, {0x1c, 6}, {0x1d, 6},
+    {0x1e, 6}, {0x1f, 6}, {0x7fb, 11}, {0x18, 6}};
 
 static const uint8_t tail_xtra[3] = {0, 2, 3};
 
@@ -227,7 +175,7 @@ static void enc_add1(huff_out *out, uint8_t a) {
   enc_flush_some(out);
 }
 
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input) {
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input) {
   size_t input_length = GPR_SLICE_LENGTH(input);
   size_t input_triplets = input_length / 3;
   size_t tail_case = input_length % 3;
diff --git a/src/core/transport/chttp2/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h
index 036fddf998..61ebbafa9a 100644
--- a/src/core/transport/chttp2/bin_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H
 
 #include <grpc/support/slice.h>
 
@@ -49,6 +49,6 @@ gpr_slice grpc_chttp2_huffman_compress(gpr_slice input);
    gpr_slice y = grpc_chttp2_huffman_compress(x);
    gpr_slice_unref(x);
    return y; */
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input);
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H */
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_plugin.c b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
new file mode 100644
index 0000000000..bd87253ed3
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/metadata.h"
+
+void grpc_chttp2_plugin_init(void) {
+  grpc_chttp2_base64_encode_and_huffman_compress =
+      grpc_chttp2_base64_encode_and_huffman_compress_impl;
+  grpc_register_tracer("http", &grpc_http_trace);
+  grpc_register_tracer("flowctl", &grpc_flowctl_trace);
+}
+
+void grpc_chttp2_plugin_shutdown(void) {}
diff --git a/src/core/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 617d98875c..01507f5ca6 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 
 #include <math.h>
 #include <stdio.h>
@@ -43,14 +43,14 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2/internal.h"
-#include "src/core/transport/chttp2/status_conversion.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/static_metadata.h"
-#include "src/core/transport/transport_impl.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
+#include "src/core/lib/transport/transport_impl.h"
 
 #define DEFAULT_WINDOW 65535
 #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024)
@@ -142,7 +142,7 @@ static void incoming_byte_stream_update_flow_control(
 static void fail_pending_writes(grpc_exec_ctx *exec_ctx,
                                 grpc_chttp2_stream_global *stream_global);
 
-/*
+/*******************************************************************************
  * CONSTRUCTION/DESTRUCTION/REFCOUNTING
  */
 
@@ -432,6 +432,14 @@ static void close_transport_locked(grpc_exec_ctx *exec_ctx,
     if (t->ep) {
       allow_endpoint_shutdown_locked(exec_ctx, t);
     }
+
+    /* flush writable stream list to avoid dangling references */
+    grpc_chttp2_stream_global *stream_global;
+    grpc_chttp2_stream_writing *stream_writing;
+    while (grpc_chttp2_list_pop_writable_stream(
+        &t->global, &t->writing, &stream_global, &stream_writing)) {
+      GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2_writing");
+    }
   }
 }
 
@@ -521,7 +529,6 @@ static void destroy_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
                                            s->global.id) == NULL);
   }
 
-  grpc_chttp2_list_remove_writable_stream(&t->global, &s->global);
   grpc_chttp2_list_remove_unannounced_incoming_window_available(&t->global,
                                                                 &s->global);
   grpc_chttp2_list_remove_stalled_by_transport(&t->global, &s->global);
@@ -583,7 +590,7 @@ grpc_chttp2_stream_parsing *grpc_chttp2_parsing_accept_stream(
   return &accepting->parsing;
 }
 
-/*
+/*******************************************************************************
  * LOCK MANAGEMENT
  */
 
@@ -598,7 +605,7 @@ static void lock(grpc_chttp2_transport *t) { gpr_mu_lock(&t->mu); }
 static void unlock(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) {
   GPR_TIMER_BEGIN("unlock", 0);
   if (!t->writing_active && !t->closed &&
-      grpc_chttp2_unlocking_check_writes(&t->global, &t->writing,
+      grpc_chttp2_unlocking_check_writes(exec_ctx, &t->global, &t->writing,
                                          t->parsing_active)) {
     t->writing_active = 1;
     REF_TRANSPORT(t, "writing");
@@ -611,10 +618,18 @@ static void unlock(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) {
   GPR_TIMER_END("unlock", 0);
 }
 
-/*
+/*******************************************************************************
  * OUTPUT PROCESSING
  */
 
+void grpc_chttp2_become_writable(grpc_chttp2_transport_global *transport_global,
+                                 grpc_chttp2_stream_global *stream_global) {
+  if (!TRANSPORT_FROM_GLOBAL(transport_global)->closed &&
+      grpc_chttp2_list_add_writable_stream(transport_global, stream_global)) {
+    GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
+  }
+}
+
 static void push_setting(grpc_chttp2_transport *t, grpc_chttp2_setting_id id,
                          uint32_t value) {
   const grpc_chttp2_setting_parameters *sp =
@@ -732,7 +747,7 @@ static void maybe_start_some_streams(
         stream_global->id, STREAM_FROM_GLOBAL(stream_global));
     stream_global->in_stream_map = 1;
     transport_global->concurrent_stream_count++;
-    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    grpc_chttp2_become_writable(transport_global, stream_global);
   }
   /* cancel out streams that will never be started */
   while (transport_global->next_stream_id >= MAX_CLIENT_STREAM_ID &&
@@ -743,23 +758,35 @@ static void maybe_start_some_streams(
   }
 }
 
+#define CLOSURE_BARRIER_STATS_BIT (1 << 0)
+#define CLOSURE_BARRIER_FAILURE_BIT (1 << 1)
+#define CLOSURE_BARRIER_FIRST_REF_BIT (1 << 16)
+
 static grpc_closure *add_closure_barrier(grpc_closure *closure) {
-  closure->final_data += 2;
+  closure->final_data += CLOSURE_BARRIER_FIRST_REF_BIT;
   return closure;
 }
 
 void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_chttp2_stream_global *stream_global,
                                        grpc_closure **pclosure, int success) {
   grpc_closure *closure = *pclosure;
   if (closure == NULL) {
     return;
   }
-  closure->final_data -= 2;
+  closure->final_data -= CLOSURE_BARRIER_FIRST_REF_BIT;
   if (!success) {
-    closure->final_data |= 1;
+    closure->final_data |= CLOSURE_BARRIER_FAILURE_BIT;
   }
-  if (closure->final_data < 2) {
-    grpc_exec_ctx_enqueue(exec_ctx, closure, closure->final_data == 0, NULL);
+  if (closure->final_data < CLOSURE_BARRIER_FIRST_REF_BIT) {
+    if (closure->final_data & CLOSURE_BARRIER_STATS_BIT) {
+      grpc_transport_move_stats(&stream_global->stats,
+                                stream_global->collecting_stats);
+      stream_global->collecting_stats = NULL;
+    }
+    grpc_exec_ctx_enqueue(
+        exec_ctx, closure,
+        (closure->final_data & CLOSURE_BARRIER_FAILURE_BIT) == 0, NULL);
   }
   *pclosure = NULL;
 }
@@ -792,7 +819,13 @@ static void perform_stream_op_locked(
   }
   /* use final_data as a barrier until enqueue time; the inital counter is
      dropped at the end of this function */
-  on_complete->final_data = 2;
+  on_complete->final_data = CLOSURE_BARRIER_FIRST_REF_BIT;
+
+  if (op->collect_stats != NULL) {
+    GPR_ASSERT(stream_global->collecting_stats == NULL);
+    stream_global->collecting_stats = op->collect_stats;
+    on_complete->final_data |= CLOSURE_BARRIER_STATS_BIT;
+  }
 
   if (op->cancel_with_status != GRPC_STATUS_OK) {
     cancel_from_api(exec_ctx, transport_global, stream_global,
@@ -821,11 +854,12 @@ static void perform_stream_op_locked(
         maybe_start_some_streams(exec_ctx, transport_global);
       } else {
         GPR_ASSERT(stream_global->id != 0);
-        grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+        grpc_chttp2_become_writable(transport_global, stream_global);
       }
     } else {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_initial_metadata_finished, 0);
+          exec_ctx, stream_global,
+          &stream_global->send_initial_metadata_finished, 0);
     }
   }
 
@@ -835,10 +869,12 @@ static void perform_stream_op_locked(
     stream_global->send_message_finished = add_closure_barrier(on_complete);
     if (stream_global->write_closed) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_message_finished, 0);
-    } else if (stream_global->id != 0) {
+          exec_ctx, stream_global, &stream_global->send_message_finished, 0);
+    } else {
       stream_global->send_message = op->send_message;
-      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+      if (stream_global->id != 0) {
+        grpc_chttp2_become_writable(transport_global, stream_global);
+      }
     }
   }
 
@@ -853,12 +889,13 @@ static void perform_stream_op_locked(
     }
     if (stream_global->write_closed) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_trailing_metadata_finished,
+          exec_ctx, stream_global,
+          &stream_global->send_trailing_metadata_finished,
           grpc_metadata_batch_is_empty(op->send_trailing_metadata));
     } else if (stream_global->id != 0) {
       /* TODO(ctiller): check if there's flow control for any outstanding
          bytes before going writable */
-      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+      grpc_chttp2_become_writable(transport_global, stream_global);
     }
   }
 
@@ -892,7 +929,7 @@ static void perform_stream_op_locked(
     grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
   }
 
-  grpc_chttp2_complete_closure_step(exec_ctx, &on_complete, 1);
+  grpc_chttp2_complete_closure_step(exec_ctx, stream_global, &on_complete, 1);
 
   GPR_TIMER_END("perform_stream_op_locked", 0);
 }
@@ -944,12 +981,10 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx,
   unlock(exec_ctx, t);
 }
 
-static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
-                                 grpc_transport_op *op) {
-  grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
-  int close_transport = 0;
-
-  lock(t);
+static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx,
+                                        grpc_chttp2_transport *t,
+                                        grpc_transport_op *op) {
+  bool close_transport = false;
 
   grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
 
@@ -968,8 +1003,8 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
     close_transport = !grpc_chttp2_has_streams(t);
   }
 
-  if (op->set_accept_stream != NULL) {
-    t->channel_callback.accept_stream = op->set_accept_stream;
+  if (op->set_accept_stream) {
+    t->channel_callback.accept_stream = op->set_accept_stream_fn;
     t->channel_callback.accept_stream_user_data =
         op->set_accept_stream_user_data;
   }
@@ -990,16 +1025,31 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
     close_transport_locked(exec_ctx, t);
   }
 
-  unlock(exec_ctx, t);
-
   if (close_transport) {
-    lock(t);
     close_transport_locked(exec_ctx, t);
-    unlock(exec_ctx, t);
   }
 }
 
-/*
+static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
+                                 grpc_transport_op *op) {
+  grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
+
+  lock(t);
+
+  /* If there's a set_accept_stream ensure that we're not parsing
+     to avoid changing things out from underneath */
+  if (t->parsing_active && op->set_accept_stream) {
+    GPR_ASSERT(t->post_parsing_op == NULL);
+    t->post_parsing_op = gpr_malloc(sizeof(*op));
+    memcpy(t->post_parsing_op, op, sizeof(*op));
+  } else {
+    perform_transport_op_locked(exec_ctx, t, op);
+  }
+
+  unlock(exec_ctx, t);
+}
+
+/*******************************************************************************
  * INPUT PROCESSING
  */
 
@@ -1019,6 +1069,11 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx,
       stream_global->recv_initial_metadata_ready = NULL;
     }
     if (stream_global->recv_message_ready != NULL) {
+      while (stream_global->seen_error &&
+             (bs = grpc_chttp2_incoming_frame_queue_pop(
+                  &stream_global->incoming_frames)) != NULL) {
+        grpc_byte_stream_destroy(exec_ctx, bs);
+      }
       if (stream_global->incoming_frames.head != NULL) {
         *stream_global->recv_message = grpc_chttp2_incoming_frame_queue_pop(
             &stream_global->incoming_frames);
@@ -1045,7 +1100,8 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx,
             &stream_global->received_trailing_metadata,
             stream_global->recv_trailing_metadata);
         grpc_chttp2_complete_closure_step(
-            exec_ctx, &stream_global->recv_trailing_metadata_finished, 1);
+            exec_ctx, stream_global,
+            &stream_global->recv_trailing_metadata_finished, 1);
       }
     }
   }
@@ -1059,7 +1115,6 @@ static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
   if (!s) {
     s = grpc_chttp2_stream_map_delete(&t->new_stream_map, id);
   }
-  grpc_chttp2_list_remove_writable_stream(&t->global, &s->global);
   GPR_ASSERT(s);
   s->global.in_stream_map = 0;
   if (t->parsing.incoming_stream == &s->parsing) {
@@ -1075,6 +1130,9 @@ static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
   if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
     close_transport_locked(exec_ctx, t);
   }
+  if (grpc_chttp2_list_remove_writable_stream(&t->global, &s->global)) {
+    GRPC_CHTTP2_STREAM_UNREF(exec_ctx, &s->global, "chttp2_writing");
+  }
 
   new_stream_count = grpc_chttp2_stream_map_size(&t->parsing_stream_map) +
                      grpc_chttp2_stream_map_size(&t->new_stream_map);
@@ -1089,15 +1147,22 @@ static void cancel_from_api(grpc_exec_ctx *exec_ctx,
                             grpc_chttp2_transport_global *transport_global,
                             grpc_chttp2_stream_global *stream_global,
                             grpc_status_code status) {
-  if (stream_global->id != 0) {
-    gpr_slice_buffer_add(
-        &transport_global->qbuf,
-        grpc_chttp2_rst_stream_create(
-            stream_global->id,
-            (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status)));
+  if (!stream_global->read_closed || !stream_global->write_closed) {
+    if (stream_global->id != 0) {
+      gpr_slice_buffer_add(
+          &transport_global->qbuf,
+          grpc_chttp2_rst_stream_create(
+              stream_global->id,
+              (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status),
+              &stream_global->stats.outgoing));
+    }
+    grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
+                            NULL);
+  }
+  if (status != GRPC_STATUS_OK && !stream_global->seen_error) {
+    stream_global->seen_error = 1;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
   }
-  grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
-                          NULL);
   grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
                                  1);
 }
@@ -1142,10 +1207,12 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx,
 static void fail_pending_writes(grpc_exec_ctx *exec_ctx,
                                 grpc_chttp2_stream_global *stream_global) {
   grpc_chttp2_complete_closure_step(
-      exec_ctx, &stream_global->send_initial_metadata_finished, 0);
+      exec_ctx, stream_global, &stream_global->send_initial_metadata_finished,
+      0);
   grpc_chttp2_complete_closure_step(
-      exec_ctx, &stream_global->send_trailing_metadata_finished, 0);
-  grpc_chttp2_complete_closure_step(exec_ctx,
+      exec_ctx, stream_global, &stream_global->send_trailing_metadata_finished,
+      0);
+  grpc_chttp2_complete_closure_step(exec_ctx, stream_global,
                                     &stream_global->send_message_finished, 0);
 }
 
@@ -1282,7 +1349,8 @@ static void close_from_api(grpc_exec_ctx *exec_ctx,
 
   gpr_slice_buffer_add(
       &transport_global->qbuf,
-      grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR));
+      grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR,
+                                    &stream_global->stats.outgoing));
 
   if (optional_message) {
     gpr_slice_ref(*optional_message);
@@ -1326,7 +1394,7 @@ static void update_global_window(void *args, uint32_t id, void *stream) {
   is_zero = stream_global->outgoing_window <= 0;
 
   if (was_zero && !is_zero) {
-    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    grpc_chttp2_become_writable(transport_global, stream_global);
   }
 }
 
@@ -1361,8 +1429,8 @@ static void recv_data(grpc_exec_ctx *exec_ctx, void *tp, bool success) {
     gpr_mu_unlock(&t->mu);
     GPR_TIMER_BEGIN("recv_data.parse", 0);
     for (; i < t->read_buffer.count &&
-               grpc_chttp2_perform_read(exec_ctx, transport_parsing,
-                                        t->read_buffer.slices[i]);
+           grpc_chttp2_perform_read(exec_ctx, transport_parsing,
+                                    t->read_buffer.slices[i]);
          i++)
       ;
     GPR_TIMER_END("recv_data.parse", 0);
@@ -1387,6 +1455,13 @@ static void recv_data(grpc_exec_ctx *exec_ctx, void *tp, bool success) {
     /* handle higher level things */
     grpc_chttp2_publish_reads(exec_ctx, transport_global, transport_parsing);
     t->parsing_active = 0;
+    /* handle delayed transport ops (if there is one) */
+    if (t->post_parsing_op) {
+      grpc_transport_op *op = t->post_parsing_op;
+      t->post_parsing_op = NULL;
+      perform_transport_op_locked(exec_ctx, t, op);
+      gpr_free(op);
+    }
     /* if a stream is in the stream map, and gets cancelled, we need to ensure
      * we are not parsing before continuing the cancellation to keep things in
      * a sane state */
@@ -1421,7 +1496,7 @@ static void recv_data(grpc_exec_ctx *exec_ctx, void *tp, bool success) {
   GPR_TIMER_END("recv_data", 0);
 }
 
-/*
+/*******************************************************************************
  * CALLBACK LOOP
  */
 
@@ -1430,12 +1505,13 @@ static void connectivity_state_set(
     grpc_connectivity_state state, const char *reason) {
   GRPC_CHTTP2_IF_TRACING(
       gpr_log(GPR_DEBUG, "set connectivity_state=%d", state));
-  grpc_connectivity_state_set(exec_ctx, &TRANSPORT_FROM_GLOBAL(transport_global)
-                                             ->channel_callback.state_tracker,
-                              state, reason);
+  grpc_connectivity_state_set(
+      exec_ctx,
+      &TRANSPORT_FROM_GLOBAL(transport_global)->channel_callback.state_tracker,
+      state, reason);
 }
 
-/*
+/*******************************************************************************
  * POLLSET STUFF
  */
 
@@ -1463,7 +1539,7 @@ static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
   unlock(exec_ctx, t);
 }
 
-/*
+/*******************************************************************************
  * BYTE STREAM
  */
 
@@ -1503,7 +1579,7 @@ static void incoming_byte_stream_update_flow_control(
                                    add_max_recv_bytes);
     grpc_chttp2_list_add_unannounced_incoming_window_available(transport_global,
                                                                stream_global);
-    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    grpc_chttp2_become_writable(transport_global, stream_global);
   }
 }
 
@@ -1618,7 +1694,7 @@ grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create(
   return incoming_byte_stream;
 }
 
-/*
+/*******************************************************************************
  * TRACING
  */
 
@@ -1704,7 +1780,7 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase,
   gpr_free(prefix);
 }
 
-/*
+/*******************************************************************************
  * INTEGRATION GLUE
  */
 
@@ -1712,9 +1788,15 @@ static char *chttp2_get_peer(grpc_exec_ctx *exec_ctx, grpc_transport *t) {
   return gpr_strdup(((grpc_chttp2_transport *)t)->peer_string);
 }
 
-static const grpc_transport_vtable vtable = {
-    sizeof(grpc_chttp2_stream), init_stream, set_pollset, perform_stream_op,
-    perform_transport_op, destroy_stream, destroy_transport, chttp2_get_peer};
+static const grpc_transport_vtable vtable = {sizeof(grpc_chttp2_stream),
+                                             "chttp2",
+                                             init_stream,
+                                             set_pollset,
+                                             perform_stream_op,
+                                             perform_transport_op,
+                                             destroy_stream,
+                                             destroy_transport,
+                                             chttp2_get_peer};
 
 grpc_transport *grpc_create_chttp2_transport(
     grpc_exec_ctx *exec_ctx, const grpc_channel_args *channel_args,
diff --git a/src/core/transport/chttp2_transport.h b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
index 95520501ed..5da4276f82 100644
--- a/src/core/transport/chttp2_transport.h
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/transport/transport.h"
 
 extern int grpc_http_trace;
 extern int grpc_flowctl_trace;
@@ -48,4 +48,4 @@ void grpc_chttp2_transport_start_reading(grpc_exec_ctx *exec_ctx,
                                          grpc_transport *transport,
                                          gpr_slice *slices, size_t nslices);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H */
diff --git a/src/core/transport/chttp2/frame.h b/src/core/ext/transport/chttp2/transport/frame.h
index 879ee036fa..5c72d91c2a 100644
--- a/src/core/transport/chttp2/frame.h
+++ b/src/core/ext/transport/chttp2/transport/frame.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H
 
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
@@ -66,4 +66,4 @@ typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing;
 #define GRPC_CHTTP2_DATA_FLAG_PADDED 8
 #define GRPC_CHTTP2_FLAG_HAS_PRIORITY 0x20
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H */
diff --git a/src/core/transport/chttp2/frame_data.c b/src/core/ext/transport/chttp2/transport/frame_data.c
index f9a1af8873..3a6d80e0a3 100644
--- a/src/core/transport/chttp2/frame_data.c
+++ b/src/core/ext/transport/chttp2/transport/frame_data.c
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_data.h"
+#include "src/core/ext/transport/chttp2/transport/frame_data.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/internal.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/transport.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/transport.h"
 
 grpc_chttp2_parse_error grpc_chttp2_data_parser_init(
     grpc_chttp2_data_parser *parser) {
@@ -113,11 +113,13 @@ grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop(
 
 void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
                              uint32_t write_bytes, int is_eof,
+                             grpc_transport_one_way_stats *stats,
                              gpr_slice_buffer *outbuf) {
   gpr_slice hdr;
   uint8_t *p;
+  static const size_t header_size = 9;
 
-  hdr = gpr_slice_malloc(9);
+  hdr = gpr_slice_malloc(header_size);
   p = GPR_SLICE_START_PTR(hdr);
   GPR_ASSERT(write_bytes < (1 << 24));
   *p++ = (uint8_t)(write_bytes >> 16);
@@ -132,6 +134,9 @@ void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
   gpr_slice_buffer_add(outbuf, hdr);
 
   gpr_slice_buffer_move_first(inbuf, write_bytes, outbuf);
+
+  stats->framing_bytes += header_size;
+  stats->data_bytes += write_bytes;
 }
 
 grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
@@ -154,8 +159,12 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
   }
 
   switch (p->state) {
-  fh_0:
+    case GRPC_CHTTP2_DATA_ERROR:
+      p->state = GRPC_CHTTP2_DATA_ERROR;
+      return GRPC_CHTTP2_STREAM_ERROR;
+    fh_0:
     case GRPC_CHTTP2_DATA_FH_0:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_type = *cur;
       switch (p->frame_type) {
         case 0:
@@ -166,6 +175,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
           break;
         default:
           gpr_log(GPR_ERROR, "Bad GRPC frame type 0x%02x", p->frame_type);
+          p->state = GRPC_CHTTP2_DATA_ERROR;
           return GRPC_CHTTP2_STREAM_ERROR;
       }
       if (++cur == end) {
@@ -174,6 +184,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_1:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size = ((uint32_t)*cur) << 24;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_2;
@@ -181,6 +192,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_2:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur) << 16;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_3;
@@ -188,6 +200,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_3:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur) << 8;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_4;
@@ -195,6 +208,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_4:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur);
       p->state = GRPC_CHTTP2_DATA_FRAME;
       ++cur;
@@ -208,14 +222,14 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
               message_flags, &p->incoming_frames);
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FRAME:
+      grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
+                                               stream_parsing);
       if (cur == end) {
-        grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
-                                                 stream_parsing);
         return GRPC_CHTTP2_PARSE_OK;
       }
-      grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
-                                               stream_parsing);
-      if ((uint32_t)(end - cur) == p->frame_size) {
+      uint32_t remaining = (uint32_t)(end - cur);
+      if (remaining == p->frame_size) {
+        stream_parsing->stats.incoming.data_bytes += p->frame_size;
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
@@ -224,7 +238,8 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
         p->parsing_frame = NULL;
         p->state = GRPC_CHTTP2_DATA_FH_0;
         return GRPC_CHTTP2_PARSE_OK;
-      } else if ((uint32_t)(end - cur) > p->frame_size) {
+      } else if (remaining > p->frame_size) {
+        stream_parsing->stats.incoming.data_bytes += p->frame_size;
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg),
@@ -235,11 +250,12 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
         cur += p->frame_size;
         goto fh_0; /* loop */
       } else {
+        GPR_ASSERT(remaining <= p->frame_size);
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
-        GPR_ASSERT((size_t)(end - cur) <= p->frame_size);
-        p->frame_size -= (uint32_t)(end - cur);
+        p->frame_size -= remaining;
+        stream_parsing->stats.incoming.data_bytes += remaining;
         return GRPC_CHTTP2_PARSE_OK;
       }
   }
diff --git a/src/core/transport/chttp2/frame_data.h b/src/core/ext/transport/chttp2/transport/frame_data.h
index 936b7a2589..af71f483a2 100644
--- a/src/core/transport/chttp2/frame_data.h
+++ b/src/core/ext/transport/chttp2/transport/frame_data.h
@@ -31,16 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
 
 /* Parser for GRPC streams embedded in DATA frames */
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
-#include "src/core/transport/byte_stream.h"
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/byte_stream.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef enum {
   GRPC_CHTTP2_DATA_FH_0,
@@ -48,7 +49,8 @@ typedef enum {
   GRPC_CHTTP2_DATA_FH_2,
   GRPC_CHTTP2_DATA_FH_3,
   GRPC_CHTTP2_DATA_FH_4,
-  GRPC_CHTTP2_DATA_FRAME
+  GRPC_CHTTP2_DATA_FRAME,
+  GRPC_CHTTP2_DATA_ERROR
 } grpc_chttp2_stream_state;
 
 typedef struct grpc_chttp2_incoming_byte_stream
@@ -96,6 +98,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
 
 void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
                              uint32_t write_bytes, int is_eof,
+                             grpc_transport_one_way_stats *stats,
                              gpr_slice_buffer *outbuf);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H */
diff --git a/src/core/transport/chttp2/frame_goaway.c b/src/core/ext/transport/chttp2/transport/frame_goaway.c
index 2fa525e989..69accb7696 100644
--- a/src/core/transport/chttp2/frame_goaway.c
+++ b/src/core/ext/transport/chttp2/transport/frame_goaway.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_goaway.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_goaway.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/frame_goaway.h b/src/core/ext/transport/chttp2/transport/frame_goaway.h
index e1a72b4013..7c38b26a39 100644
--- a/src/core/transport/chttp2/frame_goaway.h
+++ b/src/core/ext/transport/chttp2/transport/frame_goaway.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
 
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/transport/chttp2/frame.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef enum {
   GRPC_CHTTP2_GOAWAY_LSI0,
@@ -74,4 +74,4 @@ void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code,
                                gpr_slice debug_data,
                                gpr_slice_buffer *slice_buffer);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H */
diff --git a/src/core/transport/chttp2/frame_ping.c b/src/core/ext/transport/chttp2/transport/frame_ping.c
index c6ab522283..7e1815f0fe 100644
--- a/src/core/transport/chttp2/frame_ping.c
+++ b/src/core/ext/transport/chttp2/transport/frame_ping.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_ping.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_ping.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/frame_ping.h b/src/core/ext/transport/chttp2/transport/frame_ping.h
index 16d7a72618..4f7fcc1305 100644
--- a/src/core/transport/chttp2/frame_ping.h
+++ b/src/core/ext/transport/chttp2/transport/frame_ping.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct {
   uint8_t byte;
@@ -53,4 +53,4 @@ grpc_chttp2_parse_error grpc_chttp2_ping_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H */
diff --git a/src/core/transport/chttp2/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
index 754529e4b9..22467e9ddd 100644
--- a/src/core/transport/chttp2/frame_rst_stream.c
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
@@ -31,15 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_rst_stream.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_rst_stream.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
 
-gpr_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code) {
-  gpr_slice slice = gpr_slice_malloc(13);
+gpr_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code,
+                                        grpc_transport_one_way_stats *stats) {
+  static const size_t frame_size = 13;
+  gpr_slice slice = gpr_slice_malloc(frame_size);
+  stats->framing_bytes += frame_size;
   uint8_t *p = GPR_SLICE_START_PTR(slice);
 
   *p++ = 0;
@@ -84,6 +87,7 @@ grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_parse(
     cur++;
     p->byte++;
   }
+  stream_parsing->stats.incoming.framing_bytes += (uint64_t)(end - cur);
 
   if (p->byte == 4) {
     GPR_ASSERT(is_last);
diff --git a/src/core/transport/chttp2/frame_rst_stream.h b/src/core/ext/transport/chttp2/transport/frame_rst_stream.h
index 72ca654c32..9c1e756a94 100644
--- a/src/core/transport/chttp2/frame_rst_stream.h
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.h
@@ -31,19 +31,21 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H
 
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   uint8_t byte;
   uint8_t reason_bytes[4];
 } grpc_chttp2_rst_stream_parser;
 
-gpr_slice grpc_chttp2_rst_stream_create(uint32_t stream_id, uint32_t code);
+gpr_slice grpc_chttp2_rst_stream_create(uint32_t stream_id, uint32_t code,
+                                        grpc_transport_one_way_stats *stats);
 
 grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_begin_frame(
     grpc_chttp2_rst_stream_parser *parser, uint32_t length, uint8_t flags);
@@ -52,4 +54,4 @@ grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H */
diff --git a/src/core/transport/chttp2/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c
index cc49dd4f69..a3c1e15f35 100644
--- a/src/core/transport/chttp2/frame_settings.c
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.c
@@ -31,18 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_settings.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_settings.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/debug/trace.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/lib/debug/trace.h"
 
 #define MAX_MAX_HEADER_LIST_SIZE (1024 * 1024 * 1024)
 
diff --git a/src/core/transport/chttp2/frame_settings.h b/src/core/ext/transport/chttp2/transport/frame_settings.h
index 3c918e3a2a..d9e30f1ed0 100644
--- a/src/core/transport/chttp2/frame_settings.h
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H
 
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef enum {
   GRPC_CHTTP2_SPS_ID0,
@@ -100,4 +100,4 @@ grpc_chttp2_parse_error grpc_chttp2_settings_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H */
diff --git a/src/core/transport/chttp2/frame_window_update.c b/src/core/ext/transport/chttp2/transport/frame_window_update.c
index 62d9bac117..90243418bd 100644
--- a/src/core/transport/chttp2/frame_window_update.c
+++ b/src/core/ext/transport/chttp2/transport/frame_window_update.c
@@ -31,14 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_window_update.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_window_update.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
-gpr_slice grpc_chttp2_window_update_create(uint32_t id,
-                                           uint32_t window_update) {
-  gpr_slice slice = gpr_slice_malloc(13);
+gpr_slice grpc_chttp2_window_update_create(
+    uint32_t id, uint32_t window_update, grpc_transport_one_way_stats *stats) {
+  static const size_t frame_size = 13;
+  gpr_slice slice = gpr_slice_malloc(frame_size);
+  stats->header_bytes += frame_size;
   uint8_t *p = GPR_SLICE_START_PTR(slice);
 
   GPR_ASSERT(window_update);
@@ -87,6 +89,10 @@ grpc_chttp2_parse_error grpc_chttp2_window_update_parser_parse(
     p->byte++;
   }
 
+  if (stream_parsing != NULL) {
+    stream_parsing->stats.incoming.framing_bytes += (uint32_t)(end - cur);
+  }
+
   if (p->byte == 4) {
     uint32_t received_update = p->amount;
     if (received_update == 0 || (received_update & 0x80000000u)) {
diff --git a/src/core/transport/chttp2/frame_window_update.h b/src/core/ext/transport/chttp2/transport/frame_window_update.h
index 89d835c079..d6e87b9329 100644
--- a/src/core/transport/chttp2/frame_window_update.h
+++ b/src/core/ext/transport/chttp2/transport/frame_window_update.h
@@ -31,12 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   uint8_t byte;
@@ -44,7 +45,8 @@ typedef struct {
   uint32_t amount;
 } grpc_chttp2_window_update_parser;
 
-gpr_slice grpc_chttp2_window_update_create(uint32_t id, uint32_t window_delta);
+gpr_slice grpc_chttp2_window_update_create(uint32_t id, uint32_t window_delta,
+                                           grpc_transport_one_way_stats *stats);
 
 grpc_chttp2_parse_error grpc_chttp2_window_update_parser_begin_frame(
     grpc_chttp2_window_update_parser *parser, uint32_t length, uint8_t flags);
@@ -53,4 +55,4 @@ grpc_chttp2_parse_error grpc_chttp2_window_update_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H */
diff --git a/src/core/transport/chttp2/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
index f30f574d06..555027c866 100644
--- a/src/core/transport/chttp2/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
 
 #include <assert.h>
 #include <string.h>
@@ -45,11 +45,12 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/chttp2/bin_encoder.h"
-#include "src/core/transport/chttp2/hpack_table.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/chttp2/varint.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 #define HASH_FRAGMENT_1(x) ((x)&255)
 #define HASH_FRAGMENT_2(x) ((x >> 8) & 255)
@@ -74,6 +75,7 @@ typedef struct {
   /* output stream id */
   uint32_t stream_id;
   gpr_slice_buffer *output;
+  grpc_transport_one_way_stats *stats;
 } framer_state;
 
 /* fills p (which is expected to be 9 bytes long) with a data frame header */
@@ -102,6 +104,7 @@ static void finish_frame(framer_state *st, int is_header_boundary,
       st->stream_id, st->output->length - st->output_length_at_start_of_frame,
       (uint8_t)((is_last_in_stream ? GRPC_CHTTP2_DATA_FLAG_END_STREAM : 0) |
                 (is_header_boundary ? GRPC_CHTTP2_DATA_FLAG_END_HEADERS : 0)));
+  st->stats->framing_bytes += 9;
   st->is_first_frame = 0;
 }
 
@@ -147,8 +150,10 @@ static void add_header_data(framer_state *st, gpr_slice slice) {
   remaining = GRPC_CHTTP2_MAX_PAYLOAD_LENGTH +
               st->output_length_at_start_of_frame - st->output->length;
   if (len <= remaining) {
+    st->stats->header_bytes += len;
     gpr_slice_buffer_add(st->output, slice);
   } else {
+    st->stats->header_bytes += remaining;
     gpr_slice_buffer_add(st->output, gpr_slice_split_head(&slice, remaining));
     finish_frame(st, 0, 0);
     begin_frame(st);
@@ -178,8 +183,7 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) {
   uint32_t key_hash = elem->key->hash;
   uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
   uint32_t new_index = c->tail_remote_index + c->table_elems + 1;
-  size_t elem_size = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                     GPR_SLICE_LENGTH(elem->value->slice);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
 
   GPR_ASSERT(elem_size < 65536);
 
@@ -395,8 +399,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem,
   }
 
   /* should this elem be in the table? */
-  decoder_space_usage = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                        GPR_SLICE_LENGTH(elem->value->slice);
+  decoder_space_usage = grpc_mdelem_get_size_in_hpack_table(elem);
   should_add_elem = decoder_space_usage < MAX_DECODER_SPACE_USAGE &&
                     c->filter_elems[HASH_FRAGMENT_1(elem_hash)] >=
                         c->filter_elems_sum / ONE_ON_ADD_PROBABILITY;
@@ -535,6 +538,7 @@ void grpc_chttp2_hpack_compressor_set_max_table_size(
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
                                uint32_t stream_id,
                                grpc_metadata_batch *metadata, int is_eof,
+                               grpc_transport_one_way_stats *stats,
                                gpr_slice_buffer *outbuf) {
   framer_state st;
   grpc_linked_mdelem *l;
@@ -546,6 +550,7 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
   st.stream_id = stream_id;
   st.output = outbuf;
   st.is_first_frame = 1;
+  st.stats = stats;
 
   /* Encode a metadata batch; store the returned values, representing
      a metadata element that needs to be unreffed back into the metadata
diff --git a/src/core/transport/chttp2/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
index 19b5cb72ae..0f7b0b063a 100644
--- a/src/core/transport/chttp2/hpack_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
@@ -31,15 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H
 
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/metadata.h"
-#include "src/core/transport/metadata_batch.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/metadata_batch.h"
+#include "src/core/lib/transport/transport.h"
 
 #define GRPC_CHTTP2_HPACKC_NUM_FILTERS 256
 #define GRPC_CHTTP2_HPACKC_NUM_VALUES 256
@@ -90,6 +91,7 @@ void grpc_chttp2_hpack_compressor_set_max_usable_size(
 
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t id,
                                grpc_metadata_batch *metadata, int is_eof,
+                               grpc_transport_one_way_stats *stats,
                                gpr_slice_buffer *outbuf);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H */
diff --git a/src/core/transport/chttp2/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c
index a63c7db1f6..93c3e6d8b4 100644
--- a/src/core/transport/chttp2/hpack_parser.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
+#include <assert.h>
 #include <stddef.h>
 #include <string.h>
-#include <assert.h>
 
 /* This is here for grpc_is_binary_header
  * TODO(murgatroid99): Remove this
@@ -48,9 +48,11 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+
+extern int grpc_http_trace;
 
 typedef enum {
   NOT_BINARY,
@@ -636,6 +638,10 @@ static int on_hdr(grpc_chttp2_hpack_parser *p, grpc_mdelem *md,
       return 0;
     }
   }
+  if (p->on_header == NULL) {
+    grpc_mdelem_unref(md);
+    return 0;
+  }
   p->on_header(p->on_header_user_data, md);
   return 1;
 }
@@ -723,7 +729,9 @@ static int finish_indexed_field(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                                 const uint8_t *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   if (md == NULL) {
-    gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    }
     return 0;
   }
   GRPC_MDELEM_REF(md);
@@ -919,7 +927,9 @@ static int parse_lithdr_nvridx_v(grpc_chttp2_hpack_parser *p,
 /* finish parsing a max table size change */
 static int finish_max_tbl_size(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                                const uint8_t *end) {
-  gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
+  if (grpc_http_trace) {
+    gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
+  }
   return grpc_chttp2_hptbl_set_current_table_size(&p->table, p->index) &&
          parse_begin(p, cur, end);
 }
@@ -960,7 +970,9 @@ static int parse_error(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
 static int parse_illegal_op(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                             const uint8_t *end) {
   GPR_ASSERT(cur != end);
-  gpr_log(GPR_DEBUG, "Illegal hpack op code %d", *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_DEBUG, "Illegal hpack op code %d", *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1069,10 +1081,12 @@ static int parse_value4(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
   }
 
 error:
-  gpr_log(GPR_ERROR,
-          "integer overflow in hpack integer decoding: have 0x%08x, "
-          "got byte 0x%02x on byte 5",
-          *p->parsing.value, *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_ERROR,
+            "integer overflow in hpack integer decoding: have 0x%08x, "
+            "got byte 0x%02x on byte 5",
+            *p->parsing.value, *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1094,10 +1108,12 @@ static int parse_value5up(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
     return parse_next(p, cur + 1, end);
   }
 
-  gpr_log(GPR_ERROR,
-          "integer overflow in hpack integer decoding: have 0x%08x, "
-          "got byte 0x%02x sometime after byte 5",
-          *p->parsing.value, *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_ERROR,
+            "integer overflow in hpack integer decoding: have 0x%08x, "
+            "got byte 0x%02x sometime after byte 5",
+            *p->parsing.value, *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1329,7 +1345,9 @@ static is_binary_header is_binary_literal_header(grpc_chttp2_hpack_parser *p) {
 static is_binary_header is_binary_indexed_header(grpc_chttp2_hpack_parser *p) {
   grpc_mdelem *elem = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   if (!elem) {
-    gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    }
     return ERROR_HEADER;
   }
   return grpc_is_binary_header(
@@ -1368,12 +1386,8 @@ static int parse_value_string_with_literal_key(grpc_chttp2_hpack_parser *p,
 
 /* PUBLIC INTERFACE */
 
-static void on_header_not_set(void *user_data, grpc_mdelem *md) {
-  GPR_UNREACHABLE_CODE(return );
-}
-
 void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) {
-  p->on_header = on_header_not_set;
+  p->on_header = NULL;
   p->on_header_user_data = NULL;
   p->state = parse_begin;
   p->key.str = NULL;
@@ -1412,6 +1426,9 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last) {
   grpc_chttp2_hpack_parser *parser = hpack_parser;
   GPR_TIMER_BEGIN("grpc_chttp2_hpack_parser_parse", 0);
+  if (stream_parsing != NULL) {
+    stream_parsing->stats.incoming.header_bytes += GPR_SLICE_LENGTH(slice);
+  }
   if (!grpc_chttp2_hpack_parser_parse(parser, GPR_SLICE_START_PTR(slice),
                                       GPR_SLICE_END_PTR(slice))) {
     GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
@@ -1438,7 +1455,7 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
         stream_parsing->received_close = 1;
       }
     }
-    parser->on_header = on_header_not_set;
+    parser->on_header = NULL;
     parser->on_header_user_data = NULL;
     parser->is_boundary = 0xde;
     parser->is_eof = 0xde;
diff --git a/src/core/transport/chttp2/hpack_parser.h b/src/core/ext/transport/chttp2/transport/hpack_parser.h
index 1ad0c64fb9..855d6c5d52 100644
--- a/src/core/transport/chttp2/hpack_parser.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.h
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H
 
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/hpack_table.h"
-#include "src/core/transport/metadata.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/metadata.h"
 
 typedef struct grpc_chttp2_hpack_parser grpc_chttp2_hpack_parser;
 
@@ -113,4 +113,4 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H */
diff --git a/src/core/transport/chttp2/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c
index f1ce3b84fd..4d64506de2 100644
--- a/src/core/transport/chttp2/hpack_table.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 
 #include <assert.h>
 #include <string.h>
@@ -39,7 +39,9 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
+
+extern int grpc_http_trace;
 
 static struct {
   const char *key;
@@ -264,12 +266,16 @@ int grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl,
     return 1;
   }
   if (bytes > tbl->max_bytes) {
-    gpr_log(GPR_ERROR,
-            "Attempt to make hpack table %d bytes when max is %d bytes", bytes,
-            tbl->max_bytes);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR,
+              "Attempt to make hpack table %d bytes when max is %d bytes",
+              bytes, tbl->max_bytes);
+    }
     return 0;
   }
-  gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
+  if (grpc_http_trace) {
+    gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
+  }
   while (tbl->mem_used > bytes) {
     evict1(tbl);
   }
@@ -293,10 +299,12 @@ int grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
                       GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
 
   if (tbl->current_table_bytes > tbl->max_bytes) {
-    gpr_log(GPR_ERROR,
-            "HPACK max table size reduced to %d but not reflected by hpack "
-            "stream (still at %d)",
-            tbl->max_bytes, tbl->current_table_bytes);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR,
+              "HPACK max table size reduced to %d but not reflected by hpack "
+              "stream (still at %d)",
+              tbl->max_bytes, tbl->current_table_bytes);
+    }
     return 0;
   }
 
diff --git a/src/core/transport/chttp2/hpack_table.h b/src/core/ext/transport/chttp2/transport/hpack_table.h
index e7431255fc..074fea36d8 100644
--- a/src/core/transport/chttp2/hpack_table.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H
 
-#include "src/core/transport/metadata.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
+#include "src/core/lib/transport/metadata.h"
 
 /* HPACK header table */
 
@@ -105,4 +105,4 @@ typedef struct {
 grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
     const grpc_chttp2_hptbl *tbl, grpc_mdelem *md);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H */
diff --git a/src/core/transport/chttp2/hpack_tables.txt b/src/core/ext/transport/chttp2/transport/hpack_tables.txt
index 08842a0267..08842a0267 100644
--- a/src/core/transport/chttp2/hpack_tables.txt
+++ b/src/core/ext/transport/chttp2/transport/hpack_tables.txt
diff --git a/src/core/transport/chttp2/http2_errors.h b/src/core/ext/transport/chttp2/transport/http2_errors.h
index a4f309e056..deab2b7e3e 100644
--- a/src/core/transport/chttp2/http2_errors.h
+++ b/src/core/ext/transport/chttp2/transport/http2_errors.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
 
 /* error codes for RST_STREAM from http2 draft 14 section 7 */
 typedef enum {
@@ -53,4 +53,4 @@ typedef enum {
   GRPC_CHTTP2__ERROR_DO_NOT_USE = -1
 } grpc_chttp2_error_code;
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H */
diff --git a/src/core/ext/transport/chttp2/transport/huffsyms.c b/src/core/ext/transport/chttp2/transport/huffsyms.c
new file mode 100644
index 0000000000..68b34e4e2d
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/huffsyms.c
@@ -0,0 +1,105 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
+
+/* Constants pulled from the HPACK spec, and converted to C using the vim
+   command:
+   :%s/.*   \([0-9a-f]\+\)  \[ *\([0-9]\+\)\]/{0x\1, \2},/g */
+const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS] = {
+    {0x1ff8, 13},     {0x7fffd8, 23},   {0xfffffe2, 28},  {0xfffffe3, 28},
+    {0xfffffe4, 28},  {0xfffffe5, 28},  {0xfffffe6, 28},  {0xfffffe7, 28},
+    {0xfffffe8, 28},  {0xffffea, 24},   {0x3ffffffc, 30}, {0xfffffe9, 28},
+    {0xfffffea, 28},  {0x3ffffffd, 30}, {0xfffffeb, 28},  {0xfffffec, 28},
+    {0xfffffed, 28},  {0xfffffee, 28},  {0xfffffef, 28},  {0xffffff0, 28},
+    {0xffffff1, 28},  {0xffffff2, 28},  {0x3ffffffe, 30}, {0xffffff3, 28},
+    {0xffffff4, 28},  {0xffffff5, 28},  {0xffffff6, 28},  {0xffffff7, 28},
+    {0xffffff8, 28},  {0xffffff9, 28},  {0xffffffa, 28},  {0xffffffb, 28},
+    {0x14, 6},        {0x3f8, 10},      {0x3f9, 10},      {0xffa, 12},
+    {0x1ff9, 13},     {0x15, 6},        {0xf8, 8},        {0x7fa, 11},
+    {0x3fa, 10},      {0x3fb, 10},      {0xf9, 8},        {0x7fb, 11},
+    {0xfa, 8},        {0x16, 6},        {0x17, 6},        {0x18, 6},
+    {0x0, 5},         {0x1, 5},         {0x2, 5},         {0x19, 6},
+    {0x1a, 6},        {0x1b, 6},        {0x1c, 6},        {0x1d, 6},
+    {0x1e, 6},        {0x1f, 6},        {0x5c, 7},        {0xfb, 8},
+    {0x7ffc, 15},     {0x20, 6},        {0xffb, 12},      {0x3fc, 10},
+    {0x1ffa, 13},     {0x21, 6},        {0x5d, 7},        {0x5e, 7},
+    {0x5f, 7},        {0x60, 7},        {0x61, 7},        {0x62, 7},
+    {0x63, 7},        {0x64, 7},        {0x65, 7},        {0x66, 7},
+    {0x67, 7},        {0x68, 7},        {0x69, 7},        {0x6a, 7},
+    {0x6b, 7},        {0x6c, 7},        {0x6d, 7},        {0x6e, 7},
+    {0x6f, 7},        {0x70, 7},        {0x71, 7},        {0x72, 7},
+    {0xfc, 8},        {0x73, 7},        {0xfd, 8},        {0x1ffb, 13},
+    {0x7fff0, 19},    {0x1ffc, 13},     {0x3ffc, 14},     {0x22, 6},
+    {0x7ffd, 15},     {0x3, 5},         {0x23, 6},        {0x4, 5},
+    {0x24, 6},        {0x5, 5},         {0x25, 6},        {0x26, 6},
+    {0x27, 6},        {0x6, 5},         {0x74, 7},        {0x75, 7},
+    {0x28, 6},        {0x29, 6},        {0x2a, 6},        {0x7, 5},
+    {0x2b, 6},        {0x76, 7},        {0x2c, 6},        {0x8, 5},
+    {0x9, 5},         {0x2d, 6},        {0x77, 7},        {0x78, 7},
+    {0x79, 7},        {0x7a, 7},        {0x7b, 7},        {0x7ffe, 15},
+    {0x7fc, 11},      {0x3ffd, 14},     {0x1ffd, 13},     {0xffffffc, 28},
+    {0xfffe6, 20},    {0x3fffd2, 22},   {0xfffe7, 20},    {0xfffe8, 20},
+    {0x3fffd3, 22},   {0x3fffd4, 22},   {0x3fffd5, 22},   {0x7fffd9, 23},
+    {0x3fffd6, 22},   {0x7fffda, 23},   {0x7fffdb, 23},   {0x7fffdc, 23},
+    {0x7fffdd, 23},   {0x7fffde, 23},   {0xffffeb, 24},   {0x7fffdf, 23},
+    {0xffffec, 24},   {0xffffed, 24},   {0x3fffd7, 22},   {0x7fffe0, 23},
+    {0xffffee, 24},   {0x7fffe1, 23},   {0x7fffe2, 23},   {0x7fffe3, 23},
+    {0x7fffe4, 23},   {0x1fffdc, 21},   {0x3fffd8, 22},   {0x7fffe5, 23},
+    {0x3fffd9, 22},   {0x7fffe6, 23},   {0x7fffe7, 23},   {0xffffef, 24},
+    {0x3fffda, 22},   {0x1fffdd, 21},   {0xfffe9, 20},    {0x3fffdb, 22},
+    {0x3fffdc, 22},   {0x7fffe8, 23},   {0x7fffe9, 23},   {0x1fffde, 21},
+    {0x7fffea, 23},   {0x3fffdd, 22},   {0x3fffde, 22},   {0xfffff0, 24},
+    {0x1fffdf, 21},   {0x3fffdf, 22},   {0x7fffeb, 23},   {0x7fffec, 23},
+    {0x1fffe0, 21},   {0x1fffe1, 21},   {0x3fffe0, 22},   {0x1fffe2, 21},
+    {0x7fffed, 23},   {0x3fffe1, 22},   {0x7fffee, 23},   {0x7fffef, 23},
+    {0xfffea, 20},    {0x3fffe2, 22},   {0x3fffe3, 22},   {0x3fffe4, 22},
+    {0x7ffff0, 23},   {0x3fffe5, 22},   {0x3fffe6, 22},   {0x7ffff1, 23},
+    {0x3ffffe0, 26},  {0x3ffffe1, 26},  {0xfffeb, 20},    {0x7fff1, 19},
+    {0x3fffe7, 22},   {0x7ffff2, 23},   {0x3fffe8, 22},   {0x1ffffec, 25},
+    {0x3ffffe2, 26},  {0x3ffffe3, 26},  {0x3ffffe4, 26},  {0x7ffffde, 27},
+    {0x7ffffdf, 27},  {0x3ffffe5, 26},  {0xfffff1, 24},   {0x1ffffed, 25},
+    {0x7fff2, 19},    {0x1fffe3, 21},   {0x3ffffe6, 26},  {0x7ffffe0, 27},
+    {0x7ffffe1, 27},  {0x3ffffe7, 26},  {0x7ffffe2, 27},  {0xfffff2, 24},
+    {0x1fffe4, 21},   {0x1fffe5, 21},   {0x3ffffe8, 26},  {0x3ffffe9, 26},
+    {0xffffffd, 28},  {0x7ffffe3, 27},  {0x7ffffe4, 27},  {0x7ffffe5, 27},
+    {0xfffec, 20},    {0xfffff3, 24},   {0xfffed, 20},    {0x1fffe6, 21},
+    {0x3fffe9, 22},   {0x1fffe7, 21},   {0x1fffe8, 21},   {0x7ffff3, 23},
+    {0x3fffea, 22},   {0x3fffeb, 22},   {0x1ffffee, 25},  {0x1ffffef, 25},
+    {0xfffff4, 24},   {0xfffff5, 24},   {0x3ffffea, 26},  {0x7ffff4, 23},
+    {0x3ffffeb, 26},  {0x7ffffe6, 27},  {0x3ffffec, 26},  {0x3ffffed, 26},
+    {0x7ffffe7, 27},  {0x7ffffe8, 27},  {0x7ffffe9, 27},  {0x7ffffea, 27},
+    {0x7ffffeb, 27},  {0xffffffe, 28},  {0x7ffffec, 27},  {0x7ffffed, 27},
+    {0x7ffffee, 27},  {0x7ffffef, 27},  {0x7fffff0, 27},  {0x3ffffee, 26},
+    {0x3fffffff, 30},
+};
diff --git a/src/core/transport/chttp2/huffsyms.h b/src/core/ext/transport/chttp2/transport/huffsyms.h
index a3cdba8235..fee00954a0 100644
--- a/src/core/transport/chttp2/huffsyms.h
+++ b/src/core/ext/transport/chttp2/transport/huffsyms.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H
 
 /* HPACK static huffman table */
 
@@ -45,4 +45,4 @@ typedef struct {
 
 extern const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS];
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H */
diff --git a/src/core/transport/chttp2/incoming_metadata.c b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
index 315bc2faa1..db21744f0c 100644
--- a/src/core/transport/chttp2/incoming_metadata.c
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/transport/chttp2/incoming_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
diff --git a/src/core/transport/chttp2/incoming_metadata.h b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
index ea74cfc64b..17ecf8e181 100644
--- a/src/core/transport/chttp2/incoming_metadata.h
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H
-#define GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   grpc_linked_mdelem *elems;
@@ -57,4 +57,4 @@ void grpc_chttp2_incoming_metadata_buffer_add(
 void grpc_chttp2_incoming_metadata_buffer_set_deadline(
     grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline);
 
-#endif /* GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H */
diff --git a/src/core/transport/chttp2/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index 0e1e2c4265..98cd38abd4 100644
--- a/src/core/transport/chttp2/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,26 +31,26 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
-#define GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H
 
 #include <assert.h>
 #include <stdbool.h>
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/frame_data.h"
-#include "src/core/transport/chttp2/frame_goaway.h"
-#include "src/core/transport/chttp2/frame_ping.h"
-#include "src/core/transport/chttp2/frame_rst_stream.h"
-#include "src/core/transport/chttp2/frame_settings.h"
-#include "src/core/transport/chttp2/frame_window_update.h"
-#include "src/core/transport/chttp2/hpack_encoder.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/chttp2/incoming_metadata.h"
-#include "src/core/transport/chttp2/stream_map.h"
-#include "src/core/transport/connectivity_state.h"
-#include "src/core/transport/transport_impl.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame_data.h"
+#include "src/core/ext/transport/chttp2/transport/frame_goaway.h"
+#include "src/core/ext/transport/chttp2/transport/frame_ping.h"
+#include "src/core/ext/transport/chttp2/transport/frame_rst_stream.h"
+#include "src/core/ext/transport/chttp2/transport/frame_settings.h"
+#include "src/core/ext/transport/chttp2/transport/frame_window_update.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/transport_impl.h"
 
 typedef struct grpc_chttp2_transport grpc_chttp2_transport;
 typedef struct grpc_chttp2_stream grpc_chttp2_stream;
@@ -358,6 +358,9 @@ struct grpc_chttp2_transport {
     /** connectivity tracking */
     grpc_connectivity_state_tracker state_tracker;
   } channel_callback;
+
+  /** Transport op to be applied post-parsing */
+  grpc_transport_op *post_parsing_op;
 };
 
 typedef struct {
@@ -391,6 +394,9 @@ typedef struct {
   grpc_metadata_batch *recv_trailing_metadata;
   grpc_closure *recv_trailing_metadata_finished;
 
+  grpc_transport_stream_stats *collecting_stats;
+  grpc_transport_stream_stats stats;
+
   /** when the application requests writes be closed, the write_closed is
       'queued'; when the close is flow controlled into the send path, we are
       'sending' it; when the write has been performed it is 'sent' */
@@ -417,7 +423,7 @@ typedef struct {
   /** HTTP2 stream id for this stream, or zero if one has not been assigned */
   uint32_t id;
   uint8_t fetching;
-  uint8_t sent_initial_metadata;
+  bool sent_initial_metadata;
   uint8_t sent_message;
   uint8_t sent_trailing_metadata;
   uint8_t read_closed;
@@ -432,6 +438,8 @@ typedef struct {
   gpr_slice fetching_slice;
   size_t stream_fetched;
   grpc_closure finished_fetch;
+  /** stats gathered during the write */
+  grpc_transport_one_way_stats stats;
 } grpc_chttp2_stream_writing;
 
 struct grpc_chttp2_stream_parsing {
@@ -457,6 +465,8 @@ struct grpc_chttp2_stream_parsing {
   int64_t outgoing_window;
   /** number of bytes received - reset at end of parse thread execution */
   int64_t received_bytes;
+  /** stats gathered during the parse */
+  grpc_transport_stream_stats stats;
 
   /** incoming metadata */
   grpc_chttp2_incoming_metadata_buffer metadata_buffer[2];
@@ -485,7 +495,8 @@ struct grpc_chttp2_stream {
 
 /** Someone is unlocking the transport mutex: check to see if writes
     are required, and schedule them if so */
-int grpc_chttp2_unlocking_check_writes(grpc_chttp2_transport_global *global,
+int grpc_chttp2_unlocking_check_writes(grpc_exec_ctx *exec_ctx,
+                                       grpc_chttp2_transport_global *global,
                                        grpc_chttp2_transport_writing *writing,
                                        int is_parsing);
 void grpc_chttp2_perform_writes(
@@ -508,7 +519,7 @@ void grpc_chttp2_publish_reads(grpc_exec_ctx *exec_ctx,
                                grpc_chttp2_transport_global *global,
                                grpc_chttp2_transport_parsing *parsing);
 
-void grpc_chttp2_list_add_writable_stream(
+bool grpc_chttp2_list_add_writable_stream(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global);
 /** Get a writable stream
@@ -518,14 +529,13 @@ int grpc_chttp2_list_pop_writable_stream(
     grpc_chttp2_transport_writing *transport_writing,
     grpc_chttp2_stream_global **stream_global,
     grpc_chttp2_stream_writing **stream_writing);
-void grpc_chttp2_list_remove_writable_stream(
+bool grpc_chttp2_list_remove_writable_stream(
     grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global);
+    grpc_chttp2_stream_global *stream_global) GRPC_MUST_USE_RESULT;
 
-/* returns 1 if stream added, 0 if it was already present */
-int grpc_chttp2_list_add_writing_stream(
+void grpc_chttp2_list_add_writing_stream(
     grpc_chttp2_transport_writing *transport_writing,
-    grpc_chttp2_stream_writing *stream_writing) GRPC_MUST_USE_RESULT;
+    grpc_chttp2_stream_writing *stream_writing);
 int grpc_chttp2_list_have_writing_streams(
     grpc_chttp2_transport_writing *transport_writing);
 int grpc_chttp2_list_pop_writing_stream(
@@ -568,8 +578,12 @@ void grpc_chttp2_list_add_writing_stalled_by_transport(
     grpc_chttp2_transport_writing *transport_writing,
     grpc_chttp2_stream_writing *stream_writing);
 void grpc_chttp2_list_flush_writing_stalled_by_transport(
-    grpc_chttp2_transport_writing *transport_writing, bool is_window_available);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_writing *transport_writing,
+    bool is_window_available);
 
+void grpc_chttp2_list_add_stalled_by_transport(
+    grpc_chttp2_transport_writing *transport_writing,
+    grpc_chttp2_stream_writing *stream_writing);
 int grpc_chttp2_list_pop_stalled_by_transport(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global **stream_global);
@@ -628,6 +642,7 @@ void grpc_chttp2_parsing_become_skip_parser(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
 
 void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_chttp2_stream_global *stream_global,
                                        grpc_closure **pclosure, int success);
 
 #define GRPC_CHTTP2_CLIENT_CONNECT_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
@@ -765,4 +780,9 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx,
                           grpc_chttp2_transport_parsing *parsing,
                           const uint8_t *opaque_8bytes);
 
-#endif
+/** add a ref to the stream and add it to the writable list;
+    ref will be dropped in writing.c */
+void grpc_chttp2_become_writable(grpc_chttp2_transport_global *transport_global,
+                                 grpc_chttp2_stream_global *stream_global);
+
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H */
diff --git a/src/core/transport/chttp2/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index 8fdebd7f13..e827a43f7a 100644
--- a/src/core/transport/chttp2/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
@@ -39,11 +39,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2/status_conversion.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 static int init_frame_parser(grpc_exec_ctx *exec_ctx,
                              grpc_chttp2_transport_parsing *transport_parsing);
@@ -112,7 +112,7 @@ void grpc_chttp2_publish_reads(
      GOAWAY last-grpc_chttp2_stream-id=0 in this case. */
   if (!transport_parsing->is_client) {
     transport_global->last_incoming_stream_id =
-        transport_parsing->incoming_stream_id;
+        transport_parsing->last_incoming_stream_id;
   }
 
   /* update global settings */
@@ -149,7 +149,7 @@ void grpc_chttp2_publish_reads(
   if (was_zero && !is_zero) {
     while (grpc_chttp2_list_pop_stalled_by_transport(transport_global,
                                                      &stream_global)) {
-      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+      grpc_chttp2_become_writable(transport_global, stream_global);
     }
   }
 
@@ -171,6 +171,9 @@ void grpc_chttp2_publish_reads(
       grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
     }
 
+    /* flush stats to global stream state */
+    grpc_transport_move_stats(&stream_parsing->stats, &stream_global->stats);
+
     /* update outgoing flow control window */
     was_zero = stream_global->outgoing_window <= 0;
     GRPC_CHTTP2_FLOW_MOVE_STREAM("parsed", transport_global, stream_global,
@@ -178,7 +181,7 @@ void grpc_chttp2_publish_reads(
                                  outgoing_window);
     is_zero = stream_global->outgoing_window <= 0;
     if (was_zero && !is_zero) {
-      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+      grpc_chttp2_become_writable(transport_global, stream_global);
     }
 
     stream_global->max_recv_bytes -= (uint32_t)GPR_MIN(
@@ -368,7 +371,9 @@ int grpc_chttp2_perform_read(grpc_exec_ctx *exec_ctx,
       if (!init_frame_parser(exec_ctx, transport_parsing)) {
         return 0;
       }
-      if (transport_parsing->incoming_stream_id) {
+      if (transport_parsing->incoming_stream_id != 0 &&
+          transport_parsing->incoming_stream_id >
+              transport_parsing->last_incoming_stream_id) {
         transport_parsing->last_incoming_stream_id =
             transport_parsing->incoming_stream_id;
       }
@@ -544,8 +549,13 @@ static int init_data_frame_parser(
       grpc_chttp2_parsing_lookup_stream(transport_parsing,
                                         transport_parsing->incoming_stream_id);
   grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK;
-  if (!stream_parsing || stream_parsing->received_close)
+  if (stream_parsing == NULL) {
     return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+  }
+  stream_parsing->stats.incoming.framing_bytes += 9;
+  if (stream_parsing->received_close) {
+    return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+  }
   if (err == GRPC_CHTTP2_PARSE_OK) {
     err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
   }
@@ -566,7 +576,8 @@ static int init_data_frame_parser(
       gpr_slice_buffer_add(
           &transport_parsing->qbuf,
           grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
-                                        GRPC_CHTTP2_PROTOCOL_ERROR));
+                                        GRPC_CHTTP2_PROTOCOL_ERROR,
+                                        &stream_parsing->stats.outgoing));
       return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
     case GRPC_CHTTP2_CONNECTION_ERROR:
       return 0;
@@ -717,6 +728,7 @@ static int init_header_frame_parser(
     transport_parsing->incoming_stream = stream_parsing;
   }
   GPR_ASSERT(stream_parsing != NULL && (via_accept == 0 || via_accept == 1));
+  stream_parsing->stats.incoming.framing_bytes += 9;
   if (stream_parsing->received_close) {
     gpr_log(GPR_ERROR, "skipping already closed grpc_chttp2_stream header");
     transport_parsing->incoming_stream = NULL;
@@ -752,9 +764,14 @@ static int init_window_update_frame_parser(
                                        &transport_parsing->simple.window_update,
                                        transport_parsing->incoming_frame_size,
                                        transport_parsing->incoming_frame_flags);
-  if (transport_parsing->incoming_stream_id) {
-    transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
-        transport_parsing, transport_parsing->incoming_stream_id);
+  if (transport_parsing->incoming_stream_id != 0) {
+    grpc_chttp2_stream_parsing *stream_parsing =
+        transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
+            transport_parsing, transport_parsing->incoming_stream_id);
+    if (stream_parsing == NULL) {
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+    }
+    stream_parsing->stats.incoming.framing_bytes += 9;
   }
   transport_parsing->parser = grpc_chttp2_window_update_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.window_update;
@@ -778,11 +795,13 @@ static int init_rst_stream_parser(
                                        &transport_parsing->simple.rst_stream,
                                        transport_parsing->incoming_frame_size,
                                        transport_parsing->incoming_frame_flags);
-  transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
-      transport_parsing, transport_parsing->incoming_stream_id);
+  grpc_chttp2_stream_parsing *stream_parsing =
+      transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
+          transport_parsing, transport_parsing->incoming_stream_id);
   if (!transport_parsing->incoming_stream) {
     return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
   }
+  stream_parsing->stats.incoming.framing_bytes += 9;
   transport_parsing->parser = grpc_chttp2_rst_stream_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.rst_stream;
   return ok;
@@ -856,7 +875,8 @@ static int parse_frame_slice(grpc_exec_ctx *exec_ctx,
         gpr_slice_buffer_add(
             &transport_parsing->qbuf,
             grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
-                                          GRPC_CHTTP2_PROTOCOL_ERROR));
+                                          GRPC_CHTTP2_PROTOCOL_ERROR,
+                                          &stream_parsing->stats.outgoing));
       }
       return 1;
     case GRPC_CHTTP2_CONNECTION_ERROR:
diff --git a/src/core/transport/chttp2/status_conversion.c b/src/core/ext/transport/chttp2/transport/status_conversion.c
index bf214b017a..c42fb9b3a1 100644
--- a/src/core/transport/chttp2/status_conversion.c
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
 
 int grpc_chttp2_grpc_status_to_http2_error(grpc_status_code status) {
   switch (status) {
diff --git a/src/core/transport/chttp2/status_conversion.h b/src/core/ext/transport/chttp2/transport/status_conversion.h
index 0ec5b560b8..e7285e6fd5 100644
--- a/src/core/transport/chttp2/status_conversion.h
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
 
 #include <grpc/grpc.h>
-#include "src/core/transport/chttp2/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
 
 /* Conversion of grpc status codes to http2 error codes (for RST_STREAM) */
 grpc_chttp2_error_code grpc_chttp2_grpc_status_to_http2_error(
@@ -47,4 +47,4 @@ grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
 grpc_status_code grpc_chttp2_http2_status_to_grpc_status(int status);
 int grpc_chttp2_grpc_status_to_http2_status(grpc_status_code status);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H */
diff --git a/src/core/transport/chttp2/stream_lists.c b/src/core/ext/transport/chttp2/transport/stream_lists.c
index 2f31a47cb3..e5b35aadca 100644
--- a/src/core/transport/chttp2/stream_lists.c
+++ b/src/core/ext/transport/chttp2/transport/stream_lists.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
@@ -100,11 +100,14 @@ static void stream_list_remove(grpc_chttp2_transport *t, grpc_chttp2_stream *s,
   }
 }
 
-static void stream_list_maybe_remove(grpc_chttp2_transport *t,
+static bool stream_list_maybe_remove(grpc_chttp2_transport *t,
                                      grpc_chttp2_stream *s,
                                      grpc_chttp2_stream_list_id id) {
   if (s->included[id]) {
     stream_list_remove(t, s, id);
+    return true;
+  } else {
+    return false;
   }
 }
 
@@ -125,23 +128,24 @@ static void stream_list_add_tail(grpc_chttp2_transport *t,
   s->included[id] = 1;
 }
 
-static int stream_list_add(grpc_chttp2_transport *t, grpc_chttp2_stream *s,
-                           grpc_chttp2_stream_list_id id) {
+static bool stream_list_add(grpc_chttp2_transport *t, grpc_chttp2_stream *s,
+                            grpc_chttp2_stream_list_id id) {
   if (s->included[id]) {
-    return 0;
+    return false;
   }
   stream_list_add_tail(t, s, id);
-  return 1;
+  return true;
 }
 
 /* wrappers for specializations */
 
-void grpc_chttp2_list_add_writable_stream(
+bool grpc_chttp2_list_add_writable_stream(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global) {
   GPR_ASSERT(stream_global->id != 0);
-  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
-                  STREAM_FROM_GLOBAL(stream_global), GRPC_CHTTP2_LIST_WRITABLE);
+  return stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
+                         STREAM_FROM_GLOBAL(stream_global),
+                         GRPC_CHTTP2_LIST_WRITABLE);
 }
 
 int grpc_chttp2_list_pop_writable_stream(
@@ -159,20 +163,20 @@ int grpc_chttp2_list_pop_writable_stream(
   return r;
 }
 
-void grpc_chttp2_list_remove_writable_stream(
+bool grpc_chttp2_list_remove_writable_stream(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global) {
-  stream_list_maybe_remove(TRANSPORT_FROM_GLOBAL(transport_global),
-                           STREAM_FROM_GLOBAL(stream_global),
-                           GRPC_CHTTP2_LIST_WRITABLE);
+  return stream_list_maybe_remove(TRANSPORT_FROM_GLOBAL(transport_global),
+                                  STREAM_FROM_GLOBAL(stream_global),
+                                  GRPC_CHTTP2_LIST_WRITABLE);
 }
 
-int grpc_chttp2_list_add_writing_stream(
+void grpc_chttp2_list_add_writing_stream(
     grpc_chttp2_transport_writing *transport_writing,
     grpc_chttp2_stream_writing *stream_writing) {
-  return stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
-                         STREAM_FROM_WRITING(stream_writing),
-                         GRPC_CHTTP2_LIST_WRITING);
+  GPR_ASSERT(stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
+                             STREAM_FROM_WRITING(stream_writing),
+                             GRPC_CHTTP2_LIST_WRITING));
 }
 
 int grpc_chttp2_list_have_writing_streams(
@@ -316,26 +320,40 @@ int grpc_chttp2_list_pop_check_read_ops(
 void grpc_chttp2_list_add_writing_stalled_by_transport(
     grpc_chttp2_transport_writing *transport_writing,
     grpc_chttp2_stream_writing *stream_writing) {
-  stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
-                  STREAM_FROM_WRITING(stream_writing),
+  grpc_chttp2_stream *stream = STREAM_FROM_WRITING(stream_writing);
+  if (!stream->included[GRPC_CHTTP2_LIST_WRITING_STALLED_BY_TRANSPORT]) {
+    GRPC_CHTTP2_STREAM_REF(&stream->global, "chttp2_writing_stalled");
+  }
+  stream_list_add(TRANSPORT_FROM_WRITING(transport_writing), stream,
                   GRPC_CHTTP2_LIST_WRITING_STALLED_BY_TRANSPORT);
 }
 
 void grpc_chttp2_list_flush_writing_stalled_by_transport(
-    grpc_chttp2_transport_writing *transport_writing,
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_writing *transport_writing,
     bool is_window_available) {
   grpc_chttp2_stream *stream;
   grpc_chttp2_transport *transport = TRANSPORT_FROM_WRITING(transport_writing);
   while (stream_list_pop(transport, &stream,
                          GRPC_CHTTP2_LIST_WRITING_STALLED_BY_TRANSPORT)) {
     if (is_window_available) {
-      grpc_chttp2_list_add_writable_stream(&transport->global, &stream->global);
+      grpc_chttp2_become_writable(&transport->global, &stream->global);
     } else {
-      stream_list_add(transport, stream, GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT);
+      grpc_chttp2_list_add_stalled_by_transport(transport_writing,
+                                                &stream->writing);
     }
+    GRPC_CHTTP2_STREAM_UNREF(exec_ctx, &stream->global,
+                             "chttp2_writing_stalled");
   }
 }
 
+void grpc_chttp2_list_add_stalled_by_transport(
+    grpc_chttp2_transport_writing *transport_writing,
+    grpc_chttp2_stream_writing *stream_writing) {
+  stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
+                  STREAM_FROM_WRITING(stream_writing),
+                  GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT);
+}
+
 int grpc_chttp2_list_pop_stalled_by_transport(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global **stream_global) {
diff --git a/src/core/transport/chttp2/stream_map.c b/src/core/ext/transport/chttp2/transport/stream_map.c
index 555a16fb72..f70791c422 100644
--- a/src/core/transport/chttp2/stream_map.c
+++ b/src/core/ext/transport/chttp2/transport/stream_map.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_map.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/stream_map.h b/src/core/ext/transport/chttp2/transport/stream_map.h
index 7a0e45fab2..b1d59ca6a3 100644
--- a/src/core/transport/chttp2/stream_map.h
+++ b/src/core/ext/transport/chttp2/transport/stream_map.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H
 
 #include <grpc/support/port_platform.h>
 
@@ -81,4 +81,4 @@ void grpc_chttp2_stream_map_for_each(grpc_chttp2_stream_map *map,
                                                void *value),
                                      void *user_data);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H */
diff --git a/src/core/transport/chttp2/timeout_encoding.c b/src/core/ext/transport/chttp2/transport/timeout_encoding.c
index a6f7081d21..b7f7912493 100644
--- a/src/core/transport/chttp2/timeout_encoding.c
+++ b/src/core/ext/transport/chttp2/transport/timeout_encoding.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/transport/chttp2/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 
 #include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/port_platform.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 static int64_t round_up(int64_t x, int64_t divisor) {
   return (x / divisor + (x % divisor != 0)) * divisor;
@@ -150,7 +150,7 @@ int grpc_chttp2_decode_timeout(const char *buffer, gpr_timespec *timeout) {
     /* spec allows max. 8 digits, but we allow values up to 1,000,000,000 */
     if (x >= (100 * 1000 * 1000)) {
       if (x != (100 * 1000 * 1000) || digit != 0) {
-        *timeout = gpr_inf_future(GPR_CLOCK_REALTIME);
+        *timeout = gpr_inf_future(GPR_TIMESPAN);
         return 1;
       }
     }
diff --git a/src/core/transport/chttp2/timeout_encoding.h b/src/core/ext/transport/chttp2/transport/timeout_encoding.h
index 9d8756e799..df2324c791 100644
--- a/src/core/transport/chttp2/timeout_encoding.h
+++ b/src/core/ext/transport/chttp2/transport/timeout_encoding.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H
 
-#include "src/core/support/string.h"
 #include <grpc/support/time.h>
+#include "src/core/lib/support/string.h"
 
 #define GRPC_CHTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE (GPR_LTOA_MIN_BUFSIZE + 1)
 
@@ -44,4 +44,4 @@
 void grpc_chttp2_encode_timeout(gpr_timespec timeout, char *buffer);
 int grpc_chttp2_decode_timeout(const char *buffer, gpr_timespec *timeout);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H */
diff --git a/src/core/transport/chttp2/varint.c b/src/core/ext/transport/chttp2/transport/varint.c
index 1cc235e989..e434ad3c07 100644
--- a/src/core/transport/chttp2/varint.c
+++ b/src/core/ext/transport/chttp2/transport/varint.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/varint.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
 
 uint32_t grpc_chttp2_hpack_varint_length(uint32_t tail_value) {
   if (tail_value < (1 << 7)) {
diff --git a/src/core/transport/chttp2/varint.h b/src/core/ext/transport/chttp2/transport/varint.h
index 2d92b6693e..450e5fd119 100644
--- a/src/core/transport/chttp2/varint.h
+++ b/src/core/ext/transport/chttp2/transport/varint.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H
 
 #include <grpc/support/port_platform.h>
 
@@ -72,4 +72,4 @@ void grpc_chttp2_hpack_write_varint_tail(uint32_t tail_value, uint8_t* target,
     }                                                                         \
   } while (0)
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H */
diff --git a/src/core/transport/chttp2/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
index cafecf1046..a8fb463939 100644
--- a/src/core/transport/chttp2/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,20 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <limits.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/chttp2/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
                             grpc_chttp2_transport_writing *transport_writing);
 
 int grpc_chttp2_unlocking_check_writes(
-    grpc_chttp2_transport_global *transport_global,
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_transport_writing *transport_writing, int is_parsing) {
   grpc_chttp2_stream_global *stream_global;
   grpc_chttp2_stream_writing *stream_writing;
@@ -76,14 +76,15 @@ int grpc_chttp2_unlocking_check_writes(
   GRPC_CHTTP2_FLOW_MOVE_TRANSPORT("write", transport_writing, outgoing_window,
                                   transport_global, outgoing_window);
   bool is_window_available = transport_writing->outgoing_window > 0;
-  grpc_chttp2_list_flush_writing_stalled_by_transport(transport_writing,
-                                                      is_window_available);
+  grpc_chttp2_list_flush_writing_stalled_by_transport(
+      exec_ctx, transport_writing, is_window_available);
 
   /* for each grpc_chttp2_stream that's become writable, frame it's data
      (according to available window sizes) and add to the output buffer */
   while (grpc_chttp2_list_pop_writable_stream(
       transport_global, transport_writing, &stream_global, &stream_writing)) {
-    uint8_t sent_initial_metadata;
+    bool sent_initial_metadata = stream_writing->sent_initial_metadata;
+    bool become_writable = false;
 
     stream_writing->id = stream_global->id;
     stream_writing->read_closed = stream_global->read_closed;
@@ -92,16 +93,12 @@ int grpc_chttp2_unlocking_check_writes(
                                  outgoing_window, stream_global,
                                  outgoing_window);
 
-    sent_initial_metadata = stream_writing->sent_initial_metadata;
     if (!sent_initial_metadata && stream_global->send_initial_metadata) {
       stream_writing->send_initial_metadata =
           stream_global->send_initial_metadata;
       stream_global->send_initial_metadata = NULL;
-      if (grpc_chttp2_list_add_writing_stream(transport_writing,
-                                              stream_writing)) {
-        GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
-      }
-      sent_initial_metadata = 1;
+      become_writable = true;
+      sent_initial_metadata = true;
     }
     if (sent_initial_metadata) {
       if (stream_global->send_message != NULL) {
@@ -128,23 +125,17 @@ int grpc_chttp2_unlocking_check_writes(
            stream_writing->flow_controlled_buffer.length > 0) &&
           stream_writing->outgoing_window > 0) {
         if (transport_writing->outgoing_window > 0) {
-          if (grpc_chttp2_list_add_writing_stream(transport_writing,
-                                                  stream_writing)) {
-            GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
-          }
+          become_writable = true;
         } else {
-          grpc_chttp2_list_add_writing_stalled_by_transport(transport_writing,
-                                                            stream_writing);
+          grpc_chttp2_list_add_stalled_by_transport(transport_writing,
+                                                    stream_writing);
         }
       }
       if (stream_global->send_trailing_metadata) {
         stream_writing->send_trailing_metadata =
             stream_global->send_trailing_metadata;
         stream_global->send_trailing_metadata = NULL;
-        if (grpc_chttp2_list_add_writing_stream(transport_writing,
-                                                stream_writing)) {
-          GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
-        }
+        become_writable = true;
       }
     }
 
@@ -153,10 +144,13 @@ int grpc_chttp2_unlocking_check_writes(
       GRPC_CHTTP2_FLOW_MOVE_STREAM("write", transport_global, stream_writing,
                                    announce_window, stream_global,
                                    unannounced_incoming_window_for_writing);
-      if (grpc_chttp2_list_add_writing_stream(transport_writing,
-                                              stream_writing)) {
-        GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
-      }
+      become_writable = true;
+    }
+
+    if (become_writable) {
+      grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing);
+    } else {
+      GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2_writing");
     }
   }
 
@@ -167,8 +161,10 @@ int grpc_chttp2_unlocking_check_writes(
         transport_global->announce_incoming_window, UINT32_MAX);
     GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT("write", transport_global,
                                      announce_incoming_window, announced);
-    gpr_slice_buffer_add(&transport_writing->outbuf,
-                         grpc_chttp2_window_update_create(0, announced));
+    grpc_transport_one_way_stats throwaway_stats;
+    gpr_slice_buffer_add(
+        &transport_writing->outbuf,
+        grpc_chttp2_window_update_create(0, announced, &throwaway_stats));
   }
 
   GPR_TIMER_END("grpc_chttp2_unlocking_check_writes", 0);
@@ -211,7 +207,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
     if (stream_writing->send_initial_metadata != NULL) {
       grpc_chttp2_encode_header(
           &transport_writing->hpack_compressor, stream_writing->id,
-          stream_writing->send_initial_metadata, 0, &transport_writing->outbuf);
+          stream_writing->send_initial_metadata, 0, &stream_writing->stats,
+          &transport_writing->outbuf);
       stream_writing->send_initial_metadata = NULL;
       stream_writing->sent_initial_metadata = 1;
     }
@@ -222,7 +219,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
       gpr_slice_buffer_add(
           &transport_writing->outbuf,
           grpc_chttp2_window_update_create(stream_writing->id,
-                                           stream_writing->announce_window));
+                                           stream_writing->announce_window,
+                                           &stream_writing->stats));
       GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing, stream_writing,
                                     announce_window, announce);
       stream_writing->announce_window = 0;
@@ -261,7 +259,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
                                 stream_writing->send_trailing_metadata);
         grpc_chttp2_encode_data(
             stream_writing->id, &stream_writing->flow_controlled_buffer,
-            send_bytes, is_last_frame, &transport_writing->outbuf);
+            send_bytes, is_last_frame, &stream_writing->stats,
+            &transport_writing->outbuf);
         GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing,
                                       stream_writing, outgoing_window,
                                       send_bytes);
@@ -287,19 +286,20 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
         stream_writing->send_trailing_metadata != NULL) {
       if (grpc_metadata_batch_is_empty(
               stream_writing->send_trailing_metadata)) {
-        grpc_chttp2_encode_data(stream_writing->id,
-                                &stream_writing->flow_controlled_buffer, 0, 1,
-                                &transport_writing->outbuf);
+        grpc_chttp2_encode_data(
+            stream_writing->id, &stream_writing->flow_controlled_buffer, 0, 1,
+            &stream_writing->stats, &transport_writing->outbuf);
       } else {
-        grpc_chttp2_encode_header(&transport_writing->hpack_compressor,
-                                  stream_writing->id,
-                                  stream_writing->send_trailing_metadata, 1,
-                                  &transport_writing->outbuf);
+        grpc_chttp2_encode_header(
+            &transport_writing->hpack_compressor, stream_writing->id,
+            stream_writing->send_trailing_metadata, 1, &stream_writing->stats,
+            &transport_writing->outbuf);
       }
       if (!transport_writing->is_client && !stream_writing->read_closed) {
         gpr_slice_buffer_add(&transport_writing->outbuf,
                              grpc_chttp2_rst_stream_create(
-                                 stream_writing->id, GRPC_CHTTP2_NO_ERROR));
+                                 stream_writing->id, GRPC_CHTTP2_NO_ERROR,
+                                 &stream_writing->stats));
       }
       stream_writing->send_trailing_metadata = NULL;
       stream_writing->sent_trailing_metadata = 1;
@@ -310,10 +310,7 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
          (stream_writing->send_message && !stream_writing->fetching)) &&
         stream_writing->outgoing_window > 0) {
       if (transport_writing->outgoing_window > 0) {
-        if (grpc_chttp2_list_add_writing_stream(transport_writing,
-                                                stream_writing)) {
-          /* do nothing - already reffed */
-        }
+        grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing);
       } else {
         grpc_chttp2_list_add_writing_stalled_by_transport(transport_writing,
                                                           stream_writing);
@@ -337,17 +334,21 @@ void grpc_chttp2_cleanup_writing(
       transport_global, transport_writing, &stream_global, &stream_writing)) {
     if (stream_writing->sent_initial_metadata) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_initial_metadata_finished, 1);
+          exec_ctx, stream_global,
+          &stream_global->send_initial_metadata_finished, 1);
     }
+    grpc_transport_move_one_way_stats(&stream_writing->stats,
+                                      &stream_global->stats.outgoing);
     if (stream_writing->sent_message) {
       GPR_ASSERT(stream_writing->send_message == NULL);
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_message_finished, 1);
+          exec_ctx, stream_global, &stream_global->send_message_finished, 1);
       stream_writing->sent_message = 0;
     }
     if (stream_writing->sent_trailing_metadata) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_trailing_metadata_finished, 1);
+          exec_ctx, stream_global,
+          &stream_global->send_trailing_metadata_finished, 1);
     }
     if (stream_writing->sent_trailing_metadata) {
       grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
diff --git a/src/core/httpcli/parser.c b/src/core/httpcli/parser.c
deleted file mode 100644
index c314f025a0..0000000000
--- a/src/core/httpcli/parser.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/httpcli/parser.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-
-static int handle_response_line(grpc_httpcli_parser *parser) {
-  uint8_t *beg = parser->cur_line;
-  uint8_t *cur = beg;
-  uint8_t *end = beg + parser->cur_line_length;
-
-  if (cur == end || *cur++ != 'H') goto error;
-  if (cur == end || *cur++ != 'T') goto error;
-  if (cur == end || *cur++ != 'T') goto error;
-  if (cur == end || *cur++ != 'P') goto error;
-  if (cur == end || *cur++ != '/') goto error;
-  if (cur == end || *cur++ != '1') goto error;
-  if (cur == end || *cur++ != '.') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '1') goto error;
-  if (cur == end || *cur++ != ' ') goto error;
-  if (cur == end || *cur < '1' || *cur++ > '9') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
-  parser->r.status =
-      (cur[-3] - '0') * 100 + (cur[-2] - '0') * 10 + (cur[-1] - '0');
-  if (cur == end || *cur++ != ' ') goto error;
-
-  /* we don't really care about the status code message */
-
-  return 1;
-
-error:
-  gpr_log(GPR_ERROR, "Failed parsing response line");
-  return 0;
-}
-
-static char *buf2str(void *buffer, size_t length) {
-  char *out = gpr_malloc(length + 1);
-  memcpy(out, buffer, length);
-  out[length] = 0;
-  return out;
-}
-
-static int add_header(grpc_httpcli_parser *parser) {
-  uint8_t *beg = parser->cur_line;
-  uint8_t *cur = beg;
-  uint8_t *end = beg + parser->cur_line_length;
-  grpc_httpcli_header hdr = {NULL, NULL};
-
-  GPR_ASSERT(cur != end);
-
-  if (*cur == ' ' || *cur == '\t') {
-    gpr_log(GPR_ERROR, "Continued header lines not supported yet");
-    goto error;
-  }
-
-  while (cur != end && *cur != ':') {
-    cur++;
-  }
-  if (cur == end) {
-    gpr_log(GPR_ERROR, "Didn't find ':' in header string");
-    goto error;
-  }
-  GPR_ASSERT(cur >= beg);
-  hdr.key = buf2str(beg, (size_t)(cur - beg));
-  cur++; /* skip : */
-
-  while (cur != end && (*cur == ' ' || *cur == '\t')) {
-    cur++;
-  }
-  GPR_ASSERT(end - cur >= 2);
-  hdr.value = buf2str(cur, (size_t)(end - cur) - 2);
-
-  if (parser->r.hdr_count == parser->hdr_capacity) {
-    parser->hdr_capacity =
-        GPR_MAX(parser->hdr_capacity + 1, parser->hdr_capacity * 3 / 2);
-    parser->r.hdrs = gpr_realloc(
-        parser->r.hdrs, parser->hdr_capacity * sizeof(*parser->r.hdrs));
-  }
-  parser->r.hdrs[parser->r.hdr_count++] = hdr;
-  return 1;
-
-error:
-  gpr_free(hdr.key);
-  gpr_free(hdr.value);
-  return 0;
-}
-
-static int finish_line(grpc_httpcli_parser *parser) {
-  switch (parser->state) {
-    case GRPC_HTTPCLI_INITIAL_RESPONSE:
-      if (!handle_response_line(parser)) {
-        return 0;
-      }
-      parser->state = GRPC_HTTPCLI_HEADERS;
-      break;
-    case GRPC_HTTPCLI_HEADERS:
-      if (parser->cur_line_length == 2) {
-        parser->state = GRPC_HTTPCLI_BODY;
-        break;
-      }
-      if (!add_header(parser)) {
-        return 0;
-      }
-      break;
-    case GRPC_HTTPCLI_BODY:
-      GPR_UNREACHABLE_CODE(return 0);
-  }
-
-  parser->cur_line_length = 0;
-  return 1;
-}
-
-static int addbyte(grpc_httpcli_parser *parser, uint8_t byte) {
-  switch (parser->state) {
-    case GRPC_HTTPCLI_INITIAL_RESPONSE:
-    case GRPC_HTTPCLI_HEADERS:
-      if (parser->cur_line_length >= GRPC_HTTPCLI_MAX_HEADER_LENGTH) {
-        gpr_log(GPR_ERROR, "HTTP client max line length (%d) exceeded",
-                GRPC_HTTPCLI_MAX_HEADER_LENGTH);
-        return 0;
-      }
-      parser->cur_line[parser->cur_line_length] = byte;
-      parser->cur_line_length++;
-      if (parser->cur_line_length >= 2 &&
-          parser->cur_line[parser->cur_line_length - 2] == '\r' &&
-          parser->cur_line[parser->cur_line_length - 1] == '\n') {
-        return finish_line(parser);
-      } else {
-        return 1;
-      }
-      GPR_UNREACHABLE_CODE(return 0);
-    case GRPC_HTTPCLI_BODY:
-      if (parser->r.body_length == parser->body_capacity) {
-        parser->body_capacity = GPR_MAX(8, parser->body_capacity * 3 / 2);
-        parser->r.body =
-            gpr_realloc((void *)parser->r.body, parser->body_capacity);
-      }
-      parser->r.body[parser->r.body_length] = (char)byte;
-      parser->r.body_length++;
-      return 1;
-  }
-  GPR_UNREACHABLE_CODE(return 0);
-}
-
-void grpc_httpcli_parser_init(grpc_httpcli_parser *parser) {
-  memset(parser, 0, sizeof(*parser));
-  parser->state = GRPC_HTTPCLI_INITIAL_RESPONSE;
-  parser->r.status = 500;
-}
-
-void grpc_httpcli_parser_destroy(grpc_httpcli_parser *parser) {
-  size_t i;
-  gpr_free(parser->r.body);
-  for (i = 0; i < parser->r.hdr_count; i++) {
-    gpr_free(parser->r.hdrs[i].key);
-    gpr_free(parser->r.hdrs[i].value);
-  }
-  gpr_free(parser->r.hdrs);
-}
-
-int grpc_httpcli_parser_parse(grpc_httpcli_parser *parser, gpr_slice slice) {
-  size_t i;
-
-  for (i = 0; i < GPR_SLICE_LENGTH(slice); i++) {
-    if (!addbyte(parser, GPR_SLICE_START_PTR(slice)[i])) {
-      return 0;
-    }
-  }
-
-  return 1;
-}
-
-int grpc_httpcli_parser_eof(grpc_httpcli_parser *parser) {
-  return parser->state == GRPC_HTTPCLI_BODY;
-}
diff --git a/src/core/iomgr/fd_posix.c b/src/core/iomgr/fd_posix.c
deleted file mode 100644
index 85eadd754b..0000000000
--- a/src/core/iomgr/fd_posix.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/fd_posix.h"
-
-#include <assert.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/useful.h>
-
-#define CLOSURE_NOT_READY ((grpc_closure *)0)
-#define CLOSURE_READY ((grpc_closure *)1)
-
-/* We need to keep a freelist not because of any concerns of malloc performance
- * but instead so that implementations with multiple threads in (for example)
- * epoll_wait deal with the race between pollset removal and incoming poll
- * notifications.
- *
- * The problem is that the poller ultimately holds a reference to this
- * object, so it is very difficult to know when is safe to free it, at least
- * without some expensive synchronization.
- *
- * If we keep the object freelisted, in the worst case losing this race just
- * becomes a spurious read notification on a reused fd.
- */
-/* TODO(klempner): We could use some form of polling generation count to know
- * when these are safe to free. */
-/* TODO(klempner): Consider disabling freelisting if we don't have multiple
- * threads in poll on the same fd */
-/* TODO(klempner): Batch these allocations to reduce fragmentation */
-static grpc_fd *fd_freelist = NULL;
-static gpr_mu fd_freelist_mu;
-
-static void freelist_fd(grpc_fd *fd) {
-  gpr_mu_lock(&fd_freelist_mu);
-  fd->freelist_next = fd_freelist;
-  fd_freelist = fd;
-  grpc_iomgr_unregister_object(&fd->iomgr_object);
-  gpr_mu_unlock(&fd_freelist_mu);
-}
-
-static grpc_fd *alloc_fd(int fd) {
-  grpc_fd *r = NULL;
-  gpr_mu_lock(&fd_freelist_mu);
-  if (fd_freelist != NULL) {
-    r = fd_freelist;
-    fd_freelist = fd_freelist->freelist_next;
-  }
-  gpr_mu_unlock(&fd_freelist_mu);
-  if (r == NULL) {
-    r = gpr_malloc(sizeof(grpc_fd));
-    gpr_mu_init(&r->mu);
-  }
-
-  gpr_atm_rel_store(&r->refst, 1);
-  r->shutdown = 0;
-  r->read_closure = CLOSURE_NOT_READY;
-  r->write_closure = CLOSURE_NOT_READY;
-  r->fd = fd;
-  r->inactive_watcher_root.next = r->inactive_watcher_root.prev =
-      &r->inactive_watcher_root;
-  r->freelist_next = NULL;
-  r->read_watcher = r->write_watcher = NULL;
-  r->on_done_closure = NULL;
-  r->closed = 0;
-  r->released = 0;
-  return r;
-}
-
-static void destroy(grpc_fd *fd) {
-  gpr_mu_destroy(&fd->mu);
-  gpr_free(fd);
-}
-
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
-#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__)
-static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
-                   int line) {
-  gpr_log(GPR_DEBUG, "FD %d %p   ref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
-          gpr_atm_no_barrier_load(&fd->refst),
-          gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
-#else
-#define REF_BY(fd, n, reason) ref_by(fd, n)
-#define UNREF_BY(fd, n, reason) unref_by(fd, n)
-static void ref_by(grpc_fd *fd, int n) {
-#endif
-  GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
-}
-
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file,
-                     int line) {
-  gpr_atm old;
-  gpr_log(GPR_DEBUG, "FD %d %p unref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
-          gpr_atm_no_barrier_load(&fd->refst),
-          gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
-#else
-static void unref_by(grpc_fd *fd, int n) {
-  gpr_atm old;
-#endif
-  old = gpr_atm_full_fetch_add(&fd->refst, -n);
-  if (old == n) {
-    freelist_fd(fd);
-  } else {
-    GPR_ASSERT(old > n);
-  }
-}
-
-void grpc_fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
-
-void grpc_fd_global_shutdown(void) {
-  gpr_mu_lock(&fd_freelist_mu);
-  gpr_mu_unlock(&fd_freelist_mu);
-  while (fd_freelist != NULL) {
-    grpc_fd *fd = fd_freelist;
-    fd_freelist = fd_freelist->freelist_next;
-    destroy(fd);
-  }
-  gpr_mu_destroy(&fd_freelist_mu);
-}
-
-grpc_fd *grpc_fd_create(int fd, const char *name) {
-  grpc_fd *r = alloc_fd(fd);
-  char *name2;
-  gpr_asprintf(&name2, "%s fd=%d", name, fd);
-  grpc_iomgr_register_object(&r->iomgr_object, name2);
-  gpr_free(name2);
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-  gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, r, name);
-#endif
-  return r;
-}
-
-int grpc_fd_is_orphaned(grpc_fd *fd) {
-  return (gpr_atm_acq_load(&fd->refst) & 1) == 0;
-}
-
-static void pollset_kick_locked(grpc_fd_watcher *watcher) {
-  gpr_mu_lock(GRPC_POLLSET_MU(watcher->pollset));
-  GPR_ASSERT(watcher->worker);
-  grpc_pollset_kick_ext(watcher->pollset, watcher->worker,
-                        GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
-  gpr_mu_unlock(GRPC_POLLSET_MU(watcher->pollset));
-}
-
-static void maybe_wake_one_watcher_locked(grpc_fd *fd) {
-  if (fd->inactive_watcher_root.next != &fd->inactive_watcher_root) {
-    pollset_kick_locked(fd->inactive_watcher_root.next);
-  } else if (fd->read_watcher) {
-    pollset_kick_locked(fd->read_watcher);
-  } else if (fd->write_watcher) {
-    pollset_kick_locked(fd->write_watcher);
-  }
-}
-
-static void wake_all_watchers_locked(grpc_fd *fd) {
-  grpc_fd_watcher *watcher;
-  for (watcher = fd->inactive_watcher_root.next;
-       watcher != &fd->inactive_watcher_root; watcher = watcher->next) {
-    pollset_kick_locked(watcher);
-  }
-  if (fd->read_watcher) {
-    pollset_kick_locked(fd->read_watcher);
-  }
-  if (fd->write_watcher && fd->write_watcher != fd->read_watcher) {
-    pollset_kick_locked(fd->write_watcher);
-  }
-}
-
-static int has_watchers(grpc_fd *fd) {
-  return fd->read_watcher != NULL || fd->write_watcher != NULL ||
-         fd->inactive_watcher_root.next != &fd->inactive_watcher_root;
-}
-
-static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  fd->closed = 1;
-  if (!fd->released) {
-    close(fd->fd);
-  } else {
-    grpc_remove_fd_from_all_epoll_sets(fd->fd);
-  }
-  grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL);
-}
-
-int grpc_fd_wrapped_fd(grpc_fd *fd) {
-  if (fd->released || fd->closed) {
-    return -1;
-  } else {
-    return fd->fd;
-  }
-}
-
-void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
-                    int *release_fd, const char *reason) {
-  fd->on_done_closure = on_done;
-  fd->released = release_fd != NULL;
-  if (!fd->released) {
-    shutdown(fd->fd, SHUT_RDWR);
-  } else {
-    *release_fd = fd->fd;
-  }
-  gpr_mu_lock(&fd->mu);
-  REF_BY(fd, 1, reason); /* remove active status, but keep referenced */
-  if (!has_watchers(fd)) {
-    close_fd_locked(exec_ctx, fd);
-  } else {
-    wake_all_watchers_locked(fd);
-  }
-  gpr_mu_unlock(&fd->mu);
-  UNREF_BY(fd, 2, reason); /* drop the reference */
-}
-
-/* increment refcount by two to avoid changing the orphan bit */
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line) {
-  ref_by(fd, 2, reason, file, line);
-}
-
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file,
-                   int line) {
-  unref_by(fd, 2, reason, file, line);
-}
-#else
-void grpc_fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
-
-void grpc_fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
-#endif
-
-static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure **st, grpc_closure *closure) {
-  if (*st == CLOSURE_NOT_READY) {
-    /* not ready ==> switch to a waiting state by setting the closure */
-    *st = closure;
-  } else if (*st == CLOSURE_READY) {
-    /* already ready ==> queue the closure to run immediately */
-    *st = CLOSURE_NOT_READY;
-    grpc_exec_ctx_enqueue(exec_ctx, closure, !fd->shutdown, NULL);
-    maybe_wake_one_watcher_locked(fd);
-  } else {
-    /* upcallptr was set to a different closure.  This is an error! */
-    gpr_log(GPR_ERROR,
-            "User called a notify_on function with a previous callback still "
-            "pending");
-    abort();
-  }
-}
-
-/* returns 1 if state becomes not ready */
-static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure **st) {
-  if (*st == CLOSURE_READY) {
-    /* duplicate ready ==> ignore */
-    return 0;
-  } else if (*st == CLOSURE_NOT_READY) {
-    /* not ready, and not waiting ==> flag ready */
-    *st = CLOSURE_READY;
-    return 0;
-  } else {
-    /* waiting ==> queue closure */
-    grpc_exec_ctx_enqueue(exec_ctx, *st, !fd->shutdown, NULL);
-    *st = CLOSURE_NOT_READY;
-    return 1;
-  }
-}
-
-static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) {
-  /* only one set_ready can be active at once (but there may be a racing
-     notify_on) */
-  gpr_mu_lock(&fd->mu);
-  set_ready_locked(exec_ctx, fd, st);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  gpr_mu_lock(&fd->mu);
-  GPR_ASSERT(!fd->shutdown);
-  fd->shutdown = 1;
-  set_ready_locked(exec_ctx, fd, &fd->read_closure);
-  set_ready_locked(exec_ctx, fd, &fd->write_closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure *closure) {
-  gpr_mu_lock(&fd->mu);
-  notify_on_locked(exec_ctx, fd, &fd->read_closure, closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure *closure) {
-  gpr_mu_lock(&fd->mu);
-  notify_on_locked(exec_ctx, fd, &fd->write_closure, closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *watcher) {
-  uint32_t mask = 0;
-  grpc_closure *cur;
-  int requested;
-  /* keep track of pollers that have requested our events, in case they change
-   */
-  GRPC_FD_REF(fd, "poll");
-
-  gpr_mu_lock(&fd->mu);
-
-  /* if we are shutdown, then don't add to the watcher set */
-  if (fd->shutdown) {
-    watcher->fd = NULL;
-    watcher->pollset = NULL;
-    watcher->worker = NULL;
-    gpr_mu_unlock(&fd->mu);
-    GRPC_FD_UNREF(fd, "poll");
-    return 0;
-  }
-
-  /* if there is nobody polling for read, but we need to, then start doing so */
-  cur = fd->read_closure;
-  requested = cur != CLOSURE_READY;
-  if (read_mask && fd->read_watcher == NULL && requested) {
-    fd->read_watcher = watcher;
-    mask |= read_mask;
-  }
-  /* if there is nobody polling for write, but we need to, then start doing so
-   */
-  cur = fd->write_closure;
-  requested = cur != CLOSURE_READY;
-  if (write_mask && fd->write_watcher == NULL && requested) {
-    fd->write_watcher = watcher;
-    mask |= write_mask;
-  }
-  /* if not polling, remember this watcher in case we need someone to later */
-  if (mask == 0 && worker != NULL) {
-    watcher->next = &fd->inactive_watcher_root;
-    watcher->prev = watcher->next->prev;
-    watcher->next->prev = watcher->prev->next = watcher;
-  }
-  watcher->pollset = pollset;
-  watcher->worker = worker;
-  watcher->fd = fd;
-  gpr_mu_unlock(&fd->mu);
-
-  return mask;
-}
-
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
-                      int got_read, int got_write) {
-  int was_polling = 0;
-  int kick = 0;
-  grpc_fd *fd = watcher->fd;
-
-  if (fd == NULL) {
-    return;
-  }
-
-  gpr_mu_lock(&fd->mu);
-
-  if (watcher == fd->read_watcher) {
-    /* remove read watcher, kick if we still need a read */
-    was_polling = 1;
-    if (!got_read) {
-      kick = 1;
-    }
-    fd->read_watcher = NULL;
-  }
-  if (watcher == fd->write_watcher) {
-    /* remove write watcher, kick if we still need a write */
-    was_polling = 1;
-    if (!got_write) {
-      kick = 1;
-    }
-    fd->write_watcher = NULL;
-  }
-  if (!was_polling && watcher->worker != NULL) {
-    /* remove from inactive list */
-    watcher->next->prev = watcher->prev;
-    watcher->prev->next = watcher->next;
-  }
-  if (got_read) {
-    if (set_ready_locked(exec_ctx, fd, &fd->read_closure)) {
-      kick = 1;
-    }
-  }
-  if (got_write) {
-    if (set_ready_locked(exec_ctx, fd, &fd->write_closure)) {
-      kick = 1;
-    }
-  }
-  if (kick) {
-    maybe_wake_one_watcher_locked(fd);
-  }
-  if (grpc_fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
-    close_fd_locked(exec_ctx, fd);
-  }
-  gpr_mu_unlock(&fd->mu);
-
-  GRPC_FD_UNREF(fd, "poll");
-}
-
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  set_ready(exec_ctx, fd, &fd->read_closure);
-}
-
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  set_ready(exec_ctx, fd, &fd->write_closure);
-}
-
-#endif
diff --git a/src/core/iomgr/fd_posix.h b/src/core/iomgr/fd_posix.h
deleted file mode 100644
index 17e7de88ff..0000000000
--- a/src/core/iomgr/fd_posix.h
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H
-
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset.h"
-#include <grpc/support/atm.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/time.h>
-
-typedef struct grpc_fd grpc_fd;
-
-typedef struct grpc_fd_watcher {
-  struct grpc_fd_watcher *next;
-  struct grpc_fd_watcher *prev;
-  grpc_pollset *pollset;
-  grpc_pollset_worker *worker;
-  grpc_fd *fd;
-} grpc_fd_watcher;
-
-struct grpc_fd {
-  int fd;
-  /* refst format:
-     bit0:   1=active/0=orphaned
-     bit1-n: refcount
-     meaning that mostly we ref by two to avoid altering the orphaned bit,
-     and just unref by 1 when we're ready to flag the object as orphaned */
-  gpr_atm refst;
-
-  gpr_mu mu;
-  int shutdown;
-  int closed;
-  int released;
-
-  /* The watcher list.
-
-     The following watcher related fields are protected by watcher_mu.
-
-     An fd_watcher is an ephemeral object created when an fd wants to
-     begin polling, and destroyed after the poll.
-
-     It denotes the fd's interest in whether to read poll or write poll
-     or both or neither on this fd.
-
-     If a watcher is asked to poll for reads or writes, the read_watcher
-     or write_watcher fields are set respectively. A watcher may be asked
-     to poll for both, in which case both fields will be set.
-
-     read_watcher and write_watcher may be NULL if no watcher has been
-     asked to poll for reads or writes.
-
-     If an fd_watcher is not asked to poll for reads or writes, it's added
-     to a linked list of inactive watchers, rooted at inactive_watcher_root.
-     If at a later time there becomes need of a poller to poll, one of
-     the inactive pollers may be kicked out of their poll loops to take
-     that responsibility. */
-  grpc_fd_watcher inactive_watcher_root;
-  grpc_fd_watcher *read_watcher;
-  grpc_fd_watcher *write_watcher;
-
-  grpc_closure *read_closure;
-  grpc_closure *write_closure;
-
-  struct grpc_fd *freelist_next;
-
-  grpc_closure *on_done_closure;
-
-  grpc_iomgr_object iomgr_object;
-};
-
-/* Create a wrapped file descriptor.
-   Requires fd is a non-blocking file descriptor.
-   This takes ownership of closing fd. */
-grpc_fd *grpc_fd_create(int fd, const char *name);
-
-/* Return the wrapped fd, or -1 if it has been released or closed. */
-int grpc_fd_wrapped_fd(grpc_fd *fd);
-
-/* Releases fd to be asynchronously destroyed.
-   on_done is called when the underlying file descriptor is definitely close()d.
-   If on_done is NULL, no callback will be made.
-   If release_fd is not NULL, it's set to fd and fd will not be closed.
-   Requires: *fd initialized; no outstanding notify_on_read or
-   notify_on_write.
-   MUST NOT be called with a pollset lock taken */
-void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
-                    int *release_fd, const char *reason);
-
-/* Begin polling on an fd.
-   Registers that the given pollset is interested in this fd - so that if read
-   or writability interest changes, the pollset can be kicked to pick up that
-   new interest.
-   Return value is:
-     (fd_needs_read? read_mask : 0) | (fd_needs_write? write_mask : 0)
-   i.e. a combination of read_mask and write_mask determined by the fd's current
-   interest in said events.
-   Polling strategies that do not need to alter their behavior depending on the
-   fd's current interest (such as epoll) do not need to call this function.
-   MUST NOT be called with a pollset lock taken */
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *rec);
-/* Complete polling previously started with grpc_fd_begin_poll
-   MUST NOT be called with a pollset lock taken
-   if got_read or got_write are 1, also does the become_{readable,writable} as
-   appropriate. */
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
-                      int got_read, int got_write);
-
-/* Return 1 if this fd is orphaned, 0 otherwise */
-int grpc_fd_is_orphaned(grpc_fd *fd);
-
-/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */
-void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-
-/* Register read interest, causing read_cb to be called once when fd becomes
-   readable, on deadline specified by deadline, or on shutdown triggered by
-   grpc_fd_shutdown.
-   read_cb will be called with read_cb_arg when *fd becomes readable.
-   read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable,
-   GRPC_CALLBACK_TIMED_OUT if the call timed out,
-   and CANCELLED if the call was cancelled.
-
-   Requires:This method must not be called before the read_cb for any previous
-   call runs. Edge triggered events are used whenever they are supported by the
-   underlying platform. This means that users must drain fd in read_cb before
-   calling notify_on_read again. Users are also expected to handle spurious
-   events, i.e read_cb is called while nothing can be readable from fd  */
-void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure *closure);
-
-/* Exactly the same semantics as above, except based on writable events.  */
-void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure *closure);
-
-/* Notification from the poller to an fd that it has become readable or
-   writable.
-   If allow_synchronous_callback is 1, allow running the fd callback inline
-   in this callstack, otherwise register an asynchronous callback and return */
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-
-/* Reference counting for fds */
-/*#define GRPC_FD_REF_COUNT_DEBUG*/
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file, int line);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd, reason, __FILE__, __LINE__)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd, reason, __FILE__, __LINE__)
-#else
-void grpc_fd_ref(grpc_fd *fd);
-void grpc_fd_unref(grpc_fd *fd);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd)
-#endif
-
-void grpc_fd_global_init(void);
-void grpc_fd_global_shutdown(void);
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H */
diff --git a/src/core/iomgr/pollset_multipoller_with_epoll.c b/src/core/iomgr/pollset_multipoller_with_epoll.c
deleted file mode 100644
index 4acae2bb71..0000000000
--- a/src/core/iomgr/pollset_multipoller_with_epoll.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
-
-#include <errno.h>
-#include <poll.h>
-#include <string.h>
-#include <sys/epoll.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/block_annotate.h"
-
-struct epoll_fd_list {
-  int *epoll_fds;
-  size_t count;
-  size_t capacity;
-};
-
-static struct epoll_fd_list epoll_fd_global_list;
-static gpr_once init_epoll_fd_list_mu = GPR_ONCE_INIT;
-static gpr_mu epoll_fd_list_mu;
-
-static void init_mu(void) { gpr_mu_init(&epoll_fd_list_mu); }
-
-static void add_epoll_fd_to_global_list(int epoll_fd) {
-  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
-
-  gpr_mu_lock(&epoll_fd_list_mu);
-  if (epoll_fd_global_list.count == epoll_fd_global_list.capacity) {
-    epoll_fd_global_list.capacity =
-        GPR_MAX((size_t)8, epoll_fd_global_list.capacity * 2);
-    epoll_fd_global_list.epoll_fds =
-        gpr_realloc(epoll_fd_global_list.epoll_fds,
-                    epoll_fd_global_list.capacity * sizeof(int));
-  }
-  epoll_fd_global_list.epoll_fds[epoll_fd_global_list.count++] = epoll_fd;
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-static void remove_epoll_fd_from_global_list(int epoll_fd) {
-  gpr_mu_lock(&epoll_fd_list_mu);
-  GPR_ASSERT(epoll_fd_global_list.count > 0);
-  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
-    if (epoll_fd == epoll_fd_global_list.epoll_fds[i]) {
-      epoll_fd_global_list.epoll_fds[i] =
-          epoll_fd_global_list.epoll_fds[--(epoll_fd_global_list.count)];
-      break;
-    }
-  }
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-void grpc_remove_fd_from_all_epoll_sets(int fd) {
-  int err;
-  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
-  gpr_mu_lock(&epoll_fd_list_mu);
-  if (epoll_fd_global_list.count == 0) {
-    gpr_mu_unlock(&epoll_fd_list_mu);
-    return;
-  }
-  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
-    err = epoll_ctl(epoll_fd_global_list.epoll_fds[i], EPOLL_CTL_DEL, fd, NULL);
-    if (err < 0 && errno != ENOENT) {
-      gpr_log(GPR_ERROR, "epoll_ctl del for %d failed: %s", fd,
-              strerror(errno));
-    }
-  }
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-typedef struct {
-  grpc_pollset *pollset;
-  grpc_fd *fd;
-  grpc_closure closure;
-} delayed_add;
-
-typedef struct { int epoll_fd; } pollset_hdr;
-
-static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                           grpc_fd *fd) {
-  pollset_hdr *h = pollset->data.ptr;
-  struct epoll_event ev;
-  int err;
-  grpc_fd_watcher watcher;
-
-  /* We pretend to be polling whilst adding an fd to keep the fd from being
-     closed during the add. This may result in a spurious wakeup being assigned
-     to this pollset whilst adding, but that should be benign. */
-  GPR_ASSERT(grpc_fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
-  if (watcher.fd != NULL) {
-    ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
-    ev.data.ptr = fd;
-    err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev);
-    if (err < 0) {
-      /* FDs may be added to a pollset multiple times, so EEXIST is normal. */
-      if (errno != EEXIST) {
-        gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", fd->fd,
-                strerror(errno));
-      }
-    }
-  }
-  grpc_fd_end_poll(exec_ctx, &watcher, 0, 0);
-}
-
-static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg,
-                                bool iomgr_status) {
-  delayed_add *da = arg;
-
-  if (!grpc_fd_is_orphaned(da->fd)) {
-    finally_add_fd(exec_ctx, da->pollset, da->fd);
-  }
-
-  gpr_mu_lock(&da->pollset->mu);
-  da->pollset->in_flight_cbs--;
-  if (da->pollset->shutting_down) {
-    /* We don't care about this pollset anymore. */
-    if (da->pollset->in_flight_cbs == 0 && !da->pollset->called_shutdown) {
-      da->pollset->called_shutdown = 1;
-      grpc_exec_ctx_enqueue(exec_ctx, da->pollset->shutdown_done, true, NULL);
-    }
-  }
-  gpr_mu_unlock(&da->pollset->mu);
-
-  GRPC_FD_UNREF(da->fd, "delayed_add");
-
-  gpr_free(da);
-}
-
-static void multipoll_with_epoll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
-                                                grpc_pollset *pollset,
-                                                grpc_fd *fd,
-                                                int and_unlock_pollset) {
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-    finally_add_fd(exec_ctx, pollset, fd);
-  } else {
-    delayed_add *da = gpr_malloc(sizeof(*da));
-    da->pollset = pollset;
-    da->fd = fd;
-    GRPC_FD_REF(fd, "delayed_add");
-    grpc_closure_init(&da->closure, perform_delayed_add, da);
-    pollset->in_flight_cbs++;
-    grpc_exec_ctx_enqueue(exec_ctx, &da->closure, true, NULL);
-  }
-}
-
-/* TODO(klempner): We probably want to turn this down a bit */
-#define GRPC_EPOLL_MAX_EVENTS 1000
-
-static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
-    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
-    gpr_timespec deadline, gpr_timespec now) {
-  struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
-  int ep_rv;
-  int poll_rv;
-  pollset_hdr *h = pollset->data.ptr;
-  int timeout_ms;
-  struct pollfd pfds[2];
-
-  /* If you want to ignore epoll's ability to sanely handle parallel pollers,
-   * for a more apples-to-apples performance comparison with poll, add a
-   * if (pollset->counter != 0) { return 0; }
-   * here.
-   */
-
-  gpr_mu_unlock(&pollset->mu);
-
-  timeout_ms = grpc_poll_deadline_to_millis_timeout(deadline, now);
-
-  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfds[0].events = POLLIN;
-  pfds[0].revents = 0;
-  pfds[1].fd = h->epoll_fd;
-  pfds[1].events = POLLIN;
-  pfds[1].revents = 0;
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  GPR_TIMER_BEGIN("poll", 0);
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  poll_rv = grpc_poll_function(pfds, 2, timeout_ms);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-  GPR_TIMER_END("poll", 0);
-
-  if (poll_rv < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-  } else if (poll_rv == 0) {
-    /* do nothing */
-  } else {
-    if (pfds[0].revents) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    if (pfds[1].revents) {
-      do {
-        /* The following epoll_wait never blocks; it has a timeout of 0 */
-        ep_rv = epoll_wait(h->epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0);
-        if (ep_rv < 0) {
-          if (errno != EINTR) {
-            gpr_log(GPR_ERROR, "epoll_wait() failed: %s", strerror(errno));
-          }
-        } else {
-          int i;
-          for (i = 0; i < ep_rv; ++i) {
-            grpc_fd *fd = ep_ev[i].data.ptr;
-            /* TODO(klempner): We might want to consider making err and pri
-             * separate events */
-            int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
-            int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
-            int write_ev = ep_ev[i].events & EPOLLOUT;
-            if (fd == NULL) {
-              grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-            } else {
-              if (read_ev || cancel) {
-                grpc_fd_become_readable(exec_ctx, fd);
-              }
-              if (write_ev || cancel) {
-                grpc_fd_become_writable(exec_ctx, fd);
-              }
-            }
-          }
-        }
-      } while (ep_rv == GRPC_EPOLL_MAX_EVENTS);
-    }
-  }
-}
-
-static void multipoll_with_epoll_pollset_finish_shutdown(
-    grpc_pollset *pollset) {}
-
-static void multipoll_with_epoll_pollset_destroy(grpc_pollset *pollset) {
-  pollset_hdr *h = pollset->data.ptr;
-  close(h->epoll_fd);
-  remove_epoll_fd_from_global_list(h->epoll_fd);
-  gpr_free(h);
-}
-
-static const grpc_pollset_vtable multipoll_with_epoll_pollset = {
-    multipoll_with_epoll_pollset_add_fd,
-    multipoll_with_epoll_pollset_maybe_work_and_unlock,
-    multipoll_with_epoll_pollset_finish_shutdown,
-    multipoll_with_epoll_pollset_destroy};
-
-static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                     grpc_pollset *pollset, grpc_fd **fds,
-                                     size_t nfds) {
-  size_t i;
-  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));
-  struct epoll_event ev;
-  int err;
-
-  pollset->vtable = &multipoll_with_epoll_pollset;
-  pollset->data.ptr = h;
-  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
-  if (h->epoll_fd < 0) {
-    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
-    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
-    abort();
-  }
-  add_epoll_fd_to_global_list(h->epoll_fd);
-
-  ev.events = (uint32_t)(EPOLLIN | EPOLLET);
-  ev.data.ptr = NULL;
-  err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD,
-                  GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), &ev);
-  if (err < 0) {
-    gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s",
-            GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd),
-            strerror(errno));
-  }
-
-  for (i = 0; i < nfds; i++) {
-    multipoll_with_epoll_pollset_add_fd(exec_ctx, pollset, fds[i], 0);
-  }
-}
-
-grpc_platform_become_multipoller_type grpc_platform_become_multipoller =
-    epoll_become_multipoller;
-
-#else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
-
-void grpc_remove_fd_from_all_epoll_sets(int fd) {}
-
-#endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
diff --git a/src/core/iomgr/pollset_multipoller_with_poll_posix.c b/src/core/iomgr/pollset_multipoller_with_poll_posix.c
deleted file mode 100644
index 809f8f39da..0000000000
--- a/src/core/iomgr/pollset_multipoller_with_poll_posix.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/pollset_posix.h"
-
-#include <errno.h>
-#include <poll.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/support/block_annotate.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-
-typedef struct {
-  /* all polled fds */
-  size_t fd_count;
-  size_t fd_capacity;
-  grpc_fd **fds;
-  /* fds that have been removed from the pollset explicitly */
-  size_t del_count;
-  size_t del_capacity;
-  grpc_fd **dels;
-} pollset_hdr;
-
-static void multipoll_with_poll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
-                                               grpc_pollset *pollset,
-                                               grpc_fd *fd,
-                                               int and_unlock_pollset) {
-  size_t i;
-  pollset_hdr *h = pollset->data.ptr;
-  /* TODO(ctiller): this is O(num_fds^2); maybe switch to a hash set here */
-  for (i = 0; i < h->fd_count; i++) {
-    if (h->fds[i] == fd) goto exit;
-  }
-  if (h->fd_count == h->fd_capacity) {
-    h->fd_capacity = GPR_MAX(h->fd_capacity + 8, h->fd_count * 3 / 2);
-    h->fds = gpr_realloc(h->fds, sizeof(grpc_fd *) * h->fd_capacity);
-  }
-  h->fds[h->fd_count++] = fd;
-  GRPC_FD_REF(fd, "multipoller");
-exit:
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-  }
-}
-
-static void multipoll_with_poll_pollset_maybe_work_and_unlock(
-    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
-    gpr_timespec deadline, gpr_timespec now) {
-#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
-#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
-
-  int timeout;
-  int r;
-  size_t i, j, fd_count;
-  nfds_t pfd_count;
-  pollset_hdr *h;
-  /* TODO(ctiller): inline some elements to avoid an allocation */
-  grpc_fd_watcher *watchers;
-  struct pollfd *pfds;
-
-  h = pollset->data.ptr;
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
-  /* TODO(ctiller): perform just one malloc here if we exceed the inline case */
-  pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2));
-  watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2));
-  fd_count = 0;
-  pfd_count = 2;
-  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
-  pfds[0].events = POLLIN;
-  pfds[0].revents = 0;
-  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfds[1].events = POLLIN;
-  pfds[1].revents = 0;
-  for (i = 0; i < h->fd_count; i++) {
-    int remove = grpc_fd_is_orphaned(h->fds[i]);
-    for (j = 0; !remove && j < h->del_count; j++) {
-      if (h->fds[i] == h->dels[j]) remove = 1;
-    }
-    if (remove) {
-      GRPC_FD_UNREF(h->fds[i], "multipoller");
-    } else {
-      h->fds[fd_count++] = h->fds[i];
-      watchers[pfd_count].fd = h->fds[i];
-      pfds[pfd_count].fd = h->fds[i]->fd;
-      pfds[pfd_count].revents = 0;
-      pfd_count++;
-    }
-  }
-  for (j = 0; j < h->del_count; j++) {
-    GRPC_FD_UNREF(h->dels[j], "multipoller_del");
-  }
-  h->del_count = 0;
-  h->fd_count = fd_count;
-  gpr_mu_unlock(&pollset->mu);
-
-  for (i = 2; i < pfd_count; i++) {
-    pfds[i].events = (short)grpc_fd_begin_poll(watchers[i].fd, pollset, worker,
-                                               POLLIN, POLLOUT, &watchers[i]);
-  }
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  r = grpc_poll_function(pfds, pfd_count, timeout);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-
-  if (r < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-    for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-    }
-  } else if (r == 0) {
-    for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-    }
-  } else {
-    if (pfds[0].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-    }
-    if (pfds[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    for (i = 2; i < pfd_count; i++) {
-      if (watchers[i].fd == NULL) {
-        grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-        continue;
-      }
-      grpc_fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
-                       pfds[i].revents & POLLOUT_CHECK);
-    }
-  }
-
-  gpr_free(pfds);
-  gpr_free(watchers);
-}
-
-static void multipoll_with_poll_pollset_finish_shutdown(grpc_pollset *pollset) {
-  size_t i;
-  pollset_hdr *h = pollset->data.ptr;
-  for (i = 0; i < h->fd_count; i++) {
-    GRPC_FD_UNREF(h->fds[i], "multipoller");
-  }
-  for (i = 0; i < h->del_count; i++) {
-    GRPC_FD_UNREF(h->dels[i], "multipoller_del");
-  }
-  h->fd_count = 0;
-  h->del_count = 0;
-}
-
-static void multipoll_with_poll_pollset_destroy(grpc_pollset *pollset) {
-  pollset_hdr *h = pollset->data.ptr;
-  multipoll_with_poll_pollset_finish_shutdown(pollset);
-  gpr_free(h->fds);
-  gpr_free(h->dels);
-  gpr_free(h);
-}
-
-static const grpc_pollset_vtable multipoll_with_poll_pollset = {
-    multipoll_with_poll_pollset_add_fd,
-    multipoll_with_poll_pollset_maybe_work_and_unlock,
-    multipoll_with_poll_pollset_finish_shutdown,
-    multipoll_with_poll_pollset_destroy};
-
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, grpc_fd **fds,
-                                  size_t nfds) {
-  size_t i;
-  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));
-  pollset->vtable = &multipoll_with_poll_pollset;
-  pollset->data.ptr = h;
-  h->fd_count = nfds;
-  h->fd_capacity = nfds;
-  h->fds = gpr_malloc(nfds * sizeof(grpc_fd *));
-  h->del_count = 0;
-  h->del_capacity = 0;
-  h->dels = NULL;
-  for (i = 0; i < nfds; i++) {
-    h->fds[i] = fds[i];
-    GRPC_FD_REF(fds[i], "multipoller");
-  }
-}
-
-#endif /* GPR_POSIX_SOCKET */
-
-#ifdef GPR_POSIX_MULTIPOLL_WITH_POLL
-grpc_platform_become_multipoller_type grpc_platform_become_multipoller =
-    grpc_poll_become_multipoller;
-#endif
diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c
deleted file mode 100644
index 19ee6650f0..0000000000
--- a/src/core/iomgr/pollset_posix.c
+++ /dev/null
@@ -1,638 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/pollset_posix.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "src/core/iomgr/timer_internal.h"
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/block_annotate.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/tls.h>
-#include <grpc/support/useful.h>
-
-GPR_TLS_DECL(g_current_thread_poller);
-GPR_TLS_DECL(g_current_thread_worker);
-
-/** Default poll() function - a pointer so that it can be overridden by some
- *  tests */
-grpc_poll_function_type grpc_poll_function = poll;
-
-/** The alarm system needs to be able to wakeup 'some poller' sometimes
- *  (specifically when a new alarm needs to be triggered earlier than the next
- *  alarm 'epoch').
- *  This wakeup_fd gives us something to alert on when such a case occurs. */
-grpc_wakeup_fd grpc_global_wakeup_fd;
-
-static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->prev->next = worker->next;
-  worker->next->prev = worker->prev;
-}
-
-int grpc_pollset_has_workers(grpc_pollset *p) {
-  return p->root_worker.next != &p->root_worker;
-}
-
-static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
-  if (grpc_pollset_has_workers(p)) {
-    grpc_pollset_worker *w = p->root_worker.next;
-    remove_worker(p, w);
-    return w;
-  } else {
-    return NULL;
-  }
-}
-
-static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->next = &p->root_worker;
-  worker->prev = worker->next->prev;
-  worker->prev->next = worker->next->prev = worker;
-}
-
-static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->prev = &p->root_worker;
-  worker->next = worker->prev->next;
-  worker->prev->next = worker->next->prev = worker;
-}
-
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags) {
-  GPR_TIMER_BEGIN("grpc_pollset_kick_ext", 0);
-
-  /* pollset->mu already held */
-  if (specific_worker != NULL) {
-    if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
-      GPR_TIMER_BEGIN("grpc_pollset_kick_ext.broadcast", 0);
-      GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
-      for (specific_worker = p->root_worker.next;
-           specific_worker != &p->root_worker;
-           specific_worker = specific_worker->next) {
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-      }
-      p->kicked_without_pollers = 1;
-      GPR_TIMER_END("grpc_pollset_kick_ext.broadcast", 0);
-    } else if (gpr_tls_get(&g_current_thread_worker) !=
-               (intptr_t)specific_worker) {
-      GPR_TIMER_MARK("different_thread_worker", 0);
-      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
-        specific_worker->reevaluate_polling_on_wakeup = 1;
-      }
-      specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-    } else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
-      GPR_TIMER_MARK("kick_yoself", 0);
-      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
-        specific_worker->reevaluate_polling_on_wakeup = 1;
-      }
-      specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-    }
-  } else if (gpr_tls_get(&g_current_thread_poller) != (intptr_t)p) {
-    GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
-    GPR_TIMER_MARK("kick_anonymous", 0);
-    specific_worker = pop_front_worker(p);
-    if (specific_worker != NULL) {
-      if (gpr_tls_get(&g_current_thread_worker) == (intptr_t)specific_worker) {
-        GPR_TIMER_MARK("kick_anonymous_not_self", 0);
-        push_back_worker(p, specific_worker);
-        specific_worker = pop_front_worker(p);
-        if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 &&
-            gpr_tls_get(&g_current_thread_worker) ==
-                (intptr_t)specific_worker) {
-          push_back_worker(p, specific_worker);
-          specific_worker = NULL;
-        }
-      }
-      if (specific_worker != NULL) {
-        GPR_TIMER_MARK("finally_kick", 0);
-        push_back_worker(p, specific_worker);
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-      }
-    } else {
-      GPR_TIMER_MARK("kicked_no_pollers", 0);
-      p->kicked_without_pollers = 1;
-    }
-  }
-
-  GPR_TIMER_END("grpc_pollset_kick_ext", 0);
-}
-
-void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {
-  grpc_pollset_kick_ext(p, specific_worker, 0);
-}
-
-/* global state management */
-
-void grpc_pollset_global_init(void) {
-  gpr_tls_init(&g_current_thread_poller);
-  gpr_tls_init(&g_current_thread_worker);
-  grpc_wakeup_fd_global_init();
-  grpc_wakeup_fd_init(&grpc_global_wakeup_fd);
-}
-
-void grpc_pollset_global_shutdown(void) {
-  grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
-  gpr_tls_destroy(&g_current_thread_poller);
-  gpr_tls_destroy(&g_current_thread_worker);
-  grpc_wakeup_fd_global_destroy();
-}
-
-void grpc_kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
-
-/* main interface */
-
-static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null);
-
-void grpc_pollset_init(grpc_pollset *pollset) {
-  gpr_mu_init(&pollset->mu);
-  pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
-  pollset->in_flight_cbs = 0;
-  pollset->shutting_down = 0;
-  pollset->called_shutdown = 0;
-  pollset->kicked_without_pollers = 0;
-  pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL;
-  pollset->local_wakeup_cache = NULL;
-  pollset->kicked_without_pollers = 0;
-  become_basic_pollset(pollset, NULL);
-}
-
-void grpc_pollset_destroy(grpc_pollset *pollset) {
-  GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
-  pollset->vtable->destroy(pollset);
-  gpr_mu_destroy(&pollset->mu);
-  while (pollset->local_wakeup_cache) {
-    grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next;
-    grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd);
-    gpr_free(pollset->local_wakeup_cache);
-    pollset->local_wakeup_cache = next;
-  }
-}
-
-void grpc_pollset_reset(grpc_pollset *pollset) {
-  GPR_ASSERT(pollset->shutting_down);
-  GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
-  pollset->vtable->destroy(pollset);
-  pollset->shutting_down = 0;
-  pollset->called_shutdown = 0;
-  pollset->kicked_without_pollers = 0;
-  become_basic_pollset(pollset, NULL);
-}
-
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         grpc_fd *fd) {
-  gpr_mu_lock(&pollset->mu);
-  pollset->vtable->add_fd(exec_ctx, pollset, fd, 1);
-/* the following (enabled only in debug) will reacquire and then release
-   our lock - meaning that if the unlocking flag passed to add_fd above is
-   not respected, the code will deadlock (in a way that we have a chance of
-   debugging) */
-#ifndef NDEBUG
-  gpr_mu_lock(&pollset->mu);
-  gpr_mu_unlock(&pollset->mu);
-#endif
-}
-
-static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
-  GPR_ASSERT(grpc_closure_list_empty(pollset->idle_jobs));
-  pollset->vtable->finish_shutdown(pollset);
-  grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL);
-}
-
-void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                       grpc_pollset_worker *worker, gpr_timespec now,
-                       gpr_timespec deadline) {
-  /* pollset->mu already held */
-  int added_worker = 0;
-  int locked = 1;
-  int queued_work = 0;
-  int keep_polling = 0;
-  GPR_TIMER_BEGIN("grpc_pollset_work", 0);
-  /* this must happen before we (potentially) drop pollset->mu */
-  worker->next = worker->prev = NULL;
-  worker->reevaluate_polling_on_wakeup = 0;
-  if (pollset->local_wakeup_cache != NULL) {
-    worker->wakeup_fd = pollset->local_wakeup_cache;
-    pollset->local_wakeup_cache = worker->wakeup_fd->next;
-  } else {
-    worker->wakeup_fd = gpr_malloc(sizeof(*worker->wakeup_fd));
-    grpc_wakeup_fd_init(&worker->wakeup_fd->fd);
-  }
-  worker->kicked_specifically = 0;
-  /* If there's work waiting for the pollset to be idle, and the
-     pollset is idle, then do that work */
-  if (!grpc_pollset_has_workers(pollset) &&
-      !grpc_closure_list_empty(pollset->idle_jobs)) {
-    GPR_TIMER_MARK("grpc_pollset_work.idle_jobs", 0);
-    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-    goto done;
-  }
-  /* Check alarms - these are a global resource so we just ping
-     each time through on every pollset.
-     May update deadline to ensure timely wakeups.
-     TODO(ctiller): can this work be localized? */
-  if (grpc_timer_check(exec_ctx, now, &deadline)) {
-    GPR_TIMER_MARK("grpc_pollset_work.alarm_triggered", 0);
-    gpr_mu_unlock(&pollset->mu);
-    locked = 0;
-    goto done;
-  }
-  /* If we're shutting down then we don't execute any extended work */
-  if (pollset->shutting_down) {
-    GPR_TIMER_MARK("grpc_pollset_work.shutting_down", 0);
-    goto done;
-  }
-  /* Give do_promote priority so we don't starve it out */
-  if (pollset->in_flight_cbs) {
-    GPR_TIMER_MARK("grpc_pollset_work.in_flight_cbs", 0);
-    gpr_mu_unlock(&pollset->mu);
-    locked = 0;
-    goto done;
-  }
-  /* Start polling, and keep doing so while we're being asked to
-     re-evaluate our pollers (this allows poll() based pollers to
-     ensure they don't miss wakeups) */
-  keep_polling = 1;
-  while (keep_polling) {
-    keep_polling = 0;
-    if (!pollset->kicked_without_pollers) {
-      if (!added_worker) {
-        push_front_worker(pollset, worker);
-        added_worker = 1;
-        gpr_tls_set(&g_current_thread_worker, (intptr_t)worker);
-      }
-      gpr_tls_set(&g_current_thread_poller, (intptr_t)pollset);
-      GPR_TIMER_BEGIN("maybe_work_and_unlock", 0);
-      pollset->vtable->maybe_work_and_unlock(exec_ctx, pollset, worker,
-                                             deadline, now);
-      GPR_TIMER_END("maybe_work_and_unlock", 0);
-      locked = 0;
-      gpr_tls_set(&g_current_thread_poller, 0);
-    } else {
-      GPR_TIMER_MARK("grpc_pollset_work.kicked_without_pollers", 0);
-      pollset->kicked_without_pollers = 0;
-    }
-  /* Finished execution - start cleaning up.
-     Note that we may arrive here from outside the enclosing while() loop.
-     In that case we won't loop though as we haven't added worker to the
-     worker list, which means nobody could ask us to re-evaluate polling). */
-  done:
-    if (!locked) {
-      queued_work |= grpc_exec_ctx_flush(exec_ctx);
-      gpr_mu_lock(&pollset->mu);
-      locked = 1;
-    }
-    /* If we're forced to re-evaluate polling (via grpc_pollset_kick with
-       GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force
-       a loop */
-    if (worker->reevaluate_polling_on_wakeup) {
-      worker->reevaluate_polling_on_wakeup = 0;
-      pollset->kicked_without_pollers = 0;
-      if (queued_work || worker->kicked_specifically) {
-        /* If there's queued work on the list, then set the deadline to be
-           immediate so we get back out of the polling loop quickly */
-        deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
-      }
-      keep_polling = 1;
-    }
-  }
-  if (added_worker) {
-    remove_worker(pollset, worker);
-    gpr_tls_set(&g_current_thread_worker, 0);
-  }
-  /* release wakeup fd to the local pool */
-  worker->wakeup_fd->next = pollset->local_wakeup_cache;
-  pollset->local_wakeup_cache = worker->wakeup_fd;
-  /* check shutdown conditions */
-  if (pollset->shutting_down) {
-    if (grpc_pollset_has_workers(pollset)) {
-      grpc_pollset_kick(pollset, NULL);
-    } else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) {
-      pollset->called_shutdown = 1;
-      gpr_mu_unlock(&pollset->mu);
-      finish_shutdown(exec_ctx, pollset);
-      grpc_exec_ctx_flush(exec_ctx);
-      /* Continuing to access pollset here is safe -- it is the caller's
-       * responsibility to not destroy when it has outstanding calls to
-       * grpc_pollset_work.
-       * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
-      gpr_mu_lock(&pollset->mu);
-    } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
-      grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-      gpr_mu_unlock(&pollset->mu);
-      grpc_exec_ctx_flush(exec_ctx);
-      gpr_mu_lock(&pollset->mu);
-    }
-  }
-  GPR_TIMER_END("grpc_pollset_work", 0);
-}
-
-void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                           grpc_closure *closure) {
-  GPR_ASSERT(!pollset->shutting_down);
-  pollset->shutting_down = 1;
-  pollset->shutdown_done = closure;
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-  if (!grpc_pollset_has_workers(pollset)) {
-    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-  }
-  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
-      !grpc_pollset_has_workers(pollset)) {
-    pollset->called_shutdown = 1;
-    finish_shutdown(exec_ctx, pollset);
-  }
-}
-
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now) {
-  gpr_timespec timeout;
-  static const int64_t max_spin_polling_us = 10;
-  if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
-    return -1;
-  }
-  if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros(
-                                                   max_spin_polling_us,
-                                                   GPR_TIMESPAN))) <= 0) {
-    return 0;
-  }
-  timeout = gpr_time_sub(deadline, now);
-  return gpr_time_to_millis(gpr_time_add(
-      timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
-}
-
-/*
- * basic_pollset - a vtable that provides polling for zero or one file
- *                 descriptor via poll()
- */
-
-typedef struct grpc_unary_promote_args {
-  const grpc_pollset_vtable *original_vtable;
-  grpc_pollset *pollset;
-  grpc_fd *fd;
-  grpc_closure promotion_closure;
-} grpc_unary_promote_args;
-
-static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
-                             bool success) {
-  grpc_unary_promote_args *up_args = args;
-  const grpc_pollset_vtable *original_vtable = up_args->original_vtable;
-  grpc_pollset *pollset = up_args->pollset;
-  grpc_fd *fd = up_args->fd;
-
-  /*
-   * This is quite tricky. There are a number of cases to keep in mind here:
-   * 1. fd may have been orphaned
-   * 2. The pollset may no longer be a unary poller (and we can't let case #1
-   * leak to other pollset types!)
-   * 3. pollset's fd (which may have changed) may have been orphaned
-   * 4. The pollset may be shutting down.
-   */
-
-  gpr_mu_lock(&pollset->mu);
-  /* First we need to ensure that nobody is polling concurrently */
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-
-  gpr_free(up_args);
-  /* At this point the pollset may no longer be a unary poller. In that case
-   * we should just call the right add function and be done. */
-  /* TODO(klempner): If we're not careful this could cause infinite recursion.
-   * That's not a problem for now because empty_pollset has a trivial poller
-   * and we don't have any mechanism to unbecome multipoller. */
-  pollset->in_flight_cbs--;
-  if (pollset->shutting_down) {
-    /* We don't care about this pollset anymore. */
-    if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) {
-      pollset->called_shutdown = 1;
-      finish_shutdown(exec_ctx, pollset);
-    }
-  } else if (grpc_fd_is_orphaned(fd)) {
-    /* Don't try to add it to anything, we'll drop our ref on it below */
-  } else if (pollset->vtable != original_vtable) {
-    pollset->vtable->add_fd(exec_ctx, pollset, fd, 0);
-  } else if (fd != pollset->data.ptr) {
-    grpc_fd *fds[2];
-    fds[0] = pollset->data.ptr;
-    fds[1] = fd;
-
-    if (fds[0] && !grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-    } else {
-      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
-       * unary poller */
-      /* Note that it is possible that fds[1] is also orphaned at this point.
-       * That's okay, we'll correct it at the next add or poll. */
-      if (fds[0]) GRPC_FD_UNREF(fds[0], "basicpoll");
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    }
-  }
-
-  gpr_mu_unlock(&pollset->mu);
-
-  /* Matching ref in basic_pollset_add_fd */
-  GRPC_FD_UNREF(fd, "basicpoll_add");
-}
-
-static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                                 grpc_fd *fd, int and_unlock_pollset) {
-  grpc_unary_promote_args *up_args;
-  GPR_ASSERT(fd);
-  if (fd == pollset->data.ptr) goto exit;
-
-  if (!grpc_pollset_has_workers(pollset)) {
-    /* Fast path -- no in flight cbs */
-    /* TODO(klempner): Comment this out and fix any test failures or establish
-     * they are due to timing issues */
-    grpc_fd *fds[2];
-    fds[0] = pollset->data.ptr;
-    fds[1] = fd;
-
-    if (fds[0] == NULL) {
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    } else if (!grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-    } else {
-      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
-       * unary poller */
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    }
-    goto exit;
-  }
-
-  /* Now we need to promote. This needs to happen when we're not polling. Since
-   * this may be called from poll, the wait needs to happen asynchronously. */
-  GRPC_FD_REF(fd, "basicpoll_add");
-  pollset->in_flight_cbs++;
-  up_args = gpr_malloc(sizeof(*up_args));
-  up_args->fd = fd;
-  up_args->original_vtable = pollset->vtable;
-  up_args->pollset = pollset;
-  up_args->promotion_closure.cb = basic_do_promote;
-  up_args->promotion_closure.cb_arg = up_args;
-
-  grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1);
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-
-exit:
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-  }
-}
-
-static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
-                                                grpc_pollset *pollset,
-                                                grpc_pollset_worker *worker,
-                                                gpr_timespec deadline,
-                                                gpr_timespec now) {
-#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
-#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
-
-  struct pollfd pfd[3];
-  grpc_fd *fd;
-  grpc_fd_watcher fd_watcher;
-  int timeout;
-  int r;
-  nfds_t nfds;
-
-  fd = pollset->data.ptr;
-  if (fd && grpc_fd_is_orphaned(fd)) {
-    GRPC_FD_UNREF(fd, "basicpoll");
-    fd = pollset->data.ptr = NULL;
-  }
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
-  pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
-  pfd[0].events = POLLIN;
-  pfd[0].revents = 0;
-  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfd[1].events = POLLIN;
-  pfd[1].revents = 0;
-  nfds = 2;
-  if (fd) {
-    pfd[2].fd = fd->fd;
-    pfd[2].revents = 0;
-    GRPC_FD_REF(fd, "basicpoll_begin");
-    gpr_mu_unlock(&pollset->mu);
-    pfd[2].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN,
-                                              POLLOUT, &fd_watcher);
-    if (pfd[2].events != 0) {
-      nfds++;
-    }
-  } else {
-    gpr_mu_unlock(&pollset->mu);
-  }
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  /* poll fd count (argument 2) is shortened by one if we have no events
-     to poll on - such that it only includes the kicker */
-  GPR_TIMER_BEGIN("poll", 0);
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  r = grpc_poll_function(pfd, nfds, timeout);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-  GPR_TIMER_END("poll", 0);
-
-  if (r < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-    if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  } else if (r == 0) {
-    if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  } else {
-    if (pfd[0].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-    }
-    if (pfd[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    if (nfds > 2) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
-                       pfd[2].revents & POLLOUT_CHECK);
-    } else if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  }
-
-  if (fd) {
-    GRPC_FD_UNREF(fd, "basicpoll_begin");
-  }
-}
-
-static void basic_pollset_destroy(grpc_pollset *pollset) {
-  if (pollset->data.ptr != NULL) {
-    GRPC_FD_UNREF(pollset->data.ptr, "basicpoll");
-    pollset->data.ptr = NULL;
-  }
-}
-
-static const grpc_pollset_vtable basic_pollset = {
-    basic_pollset_add_fd, basic_pollset_maybe_work_and_unlock,
-    basic_pollset_destroy, basic_pollset_destroy};
-
-static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) {
-  pollset->vtable = &basic_pollset;
-  pollset->data.ptr = fd_or_null;
-  if (fd_or_null != NULL) {
-    GRPC_FD_REF(fd_or_null, "basicpoll");
-  }
-}
-
-#endif /* GPR_POSIX_POLLSET */
diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h
deleted file mode 100644
index b34bb09426..0000000000
--- a/src/core/iomgr/pollset_posix.h
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H
-
-#include <poll.h>
-
-#include <grpc/support/sync.h>
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
-
-typedef struct grpc_pollset_vtable grpc_pollset_vtable;
-
-/* forward declare only in this file to avoid leaking impl details via
-   pollset.h; real users of grpc_fd should always include 'fd_posix.h' and not
-   use the struct tag */
-struct grpc_fd;
-
-typedef struct grpc_cached_wakeup_fd {
-  grpc_wakeup_fd fd;
-  struct grpc_cached_wakeup_fd *next;
-} grpc_cached_wakeup_fd;
-
-typedef struct grpc_pollset_worker {
-  grpc_cached_wakeup_fd *wakeup_fd;
-  int reevaluate_polling_on_wakeup;
-  int kicked_specifically;
-  struct grpc_pollset_worker *next;
-  struct grpc_pollset_worker *prev;
-} grpc_pollset_worker;
-
-typedef struct grpc_pollset {
-  /* pollsets under posix can mutate representation as fds are added and
-     removed.
-     For example, we may choose a poll() based implementation on linux for
-     few fds, and an epoll() based implementation for many fds */
-  const grpc_pollset_vtable *vtable;
-  gpr_mu mu;
-  grpc_pollset_worker root_worker;
-  int in_flight_cbs;
-  int shutting_down;
-  int called_shutdown;
-  int kicked_without_pollers;
-  grpc_closure *shutdown_done;
-  grpc_closure_list idle_jobs;
-  union {
-    int fd;
-    void *ptr;
-  } data;
-  /* Local cache of eventfds for workers */
-  grpc_cached_wakeup_fd *local_wakeup_cache;
-} grpc_pollset;
-
-struct grpc_pollset_vtable {
-  void (*add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                 struct grpc_fd *fd, int and_unlock_pollset);
-  void (*maybe_work_and_unlock)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                                grpc_pollset_worker *worker,
-                                gpr_timespec deadline, gpr_timespec now);
-  void (*finish_shutdown)(grpc_pollset *pollset);
-  void (*destroy)(grpc_pollset *pollset);
-};
-
-#define GRPC_POLLSET_MU(pollset) (&(pollset)->mu)
-
-/* Add an fd to a pollset */
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         struct grpc_fd *fd);
-
-/* Returns the fd to listen on for kicks */
-int grpc_kick_read_fd(grpc_pollset *p);
-/* Call after polling has been kicked to leave the kicked state */
-void grpc_kick_drain(grpc_pollset *p);
-
-/* Convert a timespec to milliseconds:
-   - very small or negative poll times are clamped to zero to do a
-     non-blocking poll (which becomes spin polling)
-   - other small values are rounded up to one millisecond
-   - longer than a millisecond polls are rounded up to the next nearest
-     millisecond to avoid spinning
-   - infinite timeouts are converted to -1 */
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now);
-
-/* Allow kick to wakeup the currently polling worker */
-#define GRPC_POLLSET_CAN_KICK_SELF 1
-/* Force the wakee to repoll when awoken */
-#define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
-/* As per grpc_pollset_kick, with an extended set of flags (defined above)
-   -- mostly for fd_posix's use. */
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags);
-
-/* turn a pollset into a multipoller: platform specific */
-typedef void (*grpc_platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
-                                                      grpc_pollset *pollset,
-                                                      struct grpc_fd **fds,
-                                                      size_t fd_count);
-extern grpc_platform_become_multipoller_type grpc_platform_become_multipoller;
-
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, struct grpc_fd **fds,
-                                  size_t fd_count);
-
-/* Return 1 if the pollset has active threads in grpc_pollset_work (pollset must
- * be locked) */
-int grpc_pollset_has_workers(grpc_pollset *pollset);
-
-void grpc_remove_fd_from_all_epoll_sets(int fd);
-
-/* override to allow tests to hook poll() usage */
-typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
-extern grpc_poll_function_type grpc_poll_function;
-extern grpc_wakeup_fd grpc_global_wakeup_fd;
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H */
diff --git a/src/core/iomgr/pollset_set_posix.c b/src/core/iomgr/pollset_set_posix.c
deleted file mode 100644
index 4ec92202e3..0000000000
--- a/src/core/iomgr/pollset_set_posix.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include <stdlib.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/iomgr/pollset_set.h"
-
-void grpc_pollset_set_init(grpc_pollset_set *pollset_set) {
-  memset(pollset_set, 0, sizeof(*pollset_set));
-  gpr_mu_init(&pollset_set->mu);
-}
-
-void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
-  size_t i;
-  gpr_mu_destroy(&pollset_set->mu);
-  for (i = 0; i < pollset_set->fd_count; i++) {
-    GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
-  }
-  gpr_free(pollset_set->pollsets);
-  gpr_free(pollset_set->pollset_sets);
-  gpr_free(pollset_set->fds);
-}
-
-void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
-  size_t i, j;
-  gpr_mu_lock(&pollset_set->mu);
-  if (pollset_set->pollset_count == pollset_set->pollset_capacity) {
-    pollset_set->pollset_capacity =
-        GPR_MAX(8, 2 * pollset_set->pollset_capacity);
-    pollset_set->pollsets =
-        gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity *
-                                               sizeof(*pollset_set->pollsets));
-  }
-  pollset_set->pollsets[pollset_set->pollset_count++] = pollset;
-  for (i = 0, j = 0; i < pollset_set->fd_count; i++) {
-    if (grpc_fd_is_orphaned(pollset_set->fds[i])) {
-      GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
-    } else {
-      grpc_pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
-      pollset_set->fds[j++] = pollset_set->fds[i];
-    }
-  }
-  pollset_set->fd_count = j;
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  for (i = 0; i < pollset_set->pollset_count; i++) {
-    if (pollset_set->pollsets[i] == pollset) {
-      pollset_set->pollset_count--;
-      GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i],
-               pollset_set->pollsets[pollset_set->pollset_count]);
-      break;
-    }
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
-  size_t i, j;
-  gpr_mu_lock(&bag->mu);
-  if (bag->pollset_set_count == bag->pollset_set_capacity) {
-    bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity);
-    bag->pollset_sets =
-        gpr_realloc(bag->pollset_sets,
-                    bag->pollset_set_capacity * sizeof(*bag->pollset_sets));
-  }
-  bag->pollset_sets[bag->pollset_set_count++] = item;
-  for (i = 0, j = 0; i < bag->fd_count; i++) {
-    if (grpc_fd_is_orphaned(bag->fds[i])) {
-      GRPC_FD_UNREF(bag->fds[i], "pollset_set");
-    } else {
-      grpc_pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
-      bag->fds[j++] = bag->fds[i];
-    }
-  }
-  bag->fd_count = j;
-  gpr_mu_unlock(&bag->mu);
-}
-
-void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
-  size_t i;
-  gpr_mu_lock(&bag->mu);
-  for (i = 0; i < bag->pollset_set_count; i++) {
-    if (bag->pollset_sets[i] == item) {
-      bag->pollset_set_count--;
-      GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i],
-               bag->pollset_sets[bag->pollset_set_count]);
-      break;
-    }
-  }
-  gpr_mu_unlock(&bag->mu);
-}
-
-void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  if (pollset_set->fd_count == pollset_set->fd_capacity) {
-    pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity);
-    pollset_set->fds = gpr_realloc(
-        pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds));
-  }
-  GRPC_FD_REF(fd, "pollset_set");
-  pollset_set->fds[pollset_set->fd_count++] = fd;
-  for (i = 0; i < pollset_set->pollset_count; i++) {
-    grpc_pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
-  }
-  for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  for (i = 0; i < pollset_set->fd_count; i++) {
-    if (pollset_set->fds[i] == fd) {
-      pollset_set->fd_count--;
-      GPR_SWAP(grpc_fd *, pollset_set->fds[i],
-               pollset_set->fds[pollset_set->fd_count]);
-      GRPC_FD_UNREF(fd, "pollset_set");
-      break;
-    }
-  }
-  for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-#endif /* GPR_POSIX_SOCKET */
diff --git a/src/core/iomgr/pollset_set_posix.h b/src/core/iomgr/pollset_set_posix.h
deleted file mode 100644
index 4820a61e4b..0000000000
--- a/src/core/iomgr/pollset_set_posix.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_POSIX_H
-
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-
-typedef struct grpc_pollset_set {
-  gpr_mu mu;
-
-  size_t pollset_count;
-  size_t pollset_capacity;
-  grpc_pollset **pollsets;
-
-  size_t pollset_set_count;
-  size_t pollset_set_capacity;
-  struct grpc_pollset_set **pollset_sets;
-
-  size_t fd_count;
-  size_t fd_capacity;
-  grpc_fd **fds;
-} grpc_pollset_set;
-
-void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd);
-void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd);
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
diff --git a/src/core/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index bae7a90a01..28d2d78d00 100644
--- a/src/core/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,10 @@
  *
  */
 
+#include "src/core/lib/channel/channel_args.h"
 #include <grpc/grpc.h>
-#include "src/core/channel/channel_args.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
-#include <grpc/census.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -165,17 +164,6 @@ void grpc_channel_args_destroy(grpc_channel_args *a) {
   gpr_free(a);
 }
 
-int grpc_channel_args_is_census_enabled(const grpc_channel_args *a) {
-  size_t i;
-  if (a == NULL) return 0;
-  for (i = 0; i < a->num_args; i++) {
-    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
-      return a->args[i].value.integer != 0 && census_enabled();
-    }
-  }
-  return census_enabled();
-}
-
 grpc_compression_algorithm grpc_channel_args_get_compression_algorithm(
     const grpc_channel_args *a) {
   size_t i;
diff --git a/src/core/channel/channel_args.h b/src/core/lib/channel/channel_args.h
index b3a7c9f434..0a51780a14 100644
--- a/src/core/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,29 +31,29 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H
 
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 
-/* Copy some arguments */
+/** Copy the arguments in \a src into a new instance */
 grpc_channel_args *grpc_channel_args_copy(const grpc_channel_args *src);
 
-/* Copy some arguments, stably sorting keys */
-grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *a);
+/** Copy the arguments in \a src into a new instance, stably sorting keys */
+grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *src);
 
-/** Copy some arguments and add the to_add parameter in the end.
-   If to_add is NULL, it is equivalent to call grpc_channel_args_copy. */
+/** Copy the arguments in \a src and append \a to_add. If \a to_add is NULL, it
+ * is equivalent to calling \a grpc_channel_args_copy. */
 grpc_channel_args *grpc_channel_args_copy_and_add(const grpc_channel_args *src,
                                                   const grpc_arg *to_add,
                                                   size_t num_to_add);
 
-/** Copy args from a then args from b into a new channel args */
+/** Concatenate args from \a a and \a b into a new instance */
 grpc_channel_args *grpc_channel_args_merge(const grpc_channel_args *a,
                                            const grpc_channel_args *b);
 
-/** Destroy arguments created by grpc_channel_args_copy */
+/** Destroy arguments created by \a grpc_channel_args_copy */
 void grpc_channel_args_destroy(grpc_channel_args *a);
 
 /** Reads census_enabled settings from channel args. Returns 1 if census_enabled
@@ -91,4 +91,4 @@ int grpc_channel_args_compression_algorithm_get_states(
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b);
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H */
diff --git a/src/core/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
index 3e61688364..e36066d863 100644
--- a/src/core/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 #include <grpc/support/log.h>
 
 #include <stdlib.h>
diff --git a/src/core/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h
index c01050e717..9e3a25a152 100644
--- a/src/core/channel/channel_stack.h
+++ b/src/core/lib/channel/channel_stack.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H
 
 /* A channel filter defines how operations on a channel are implemented.
    Channel filters are chained together to create full channels, and if those
@@ -45,8 +45,8 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/debug/trace.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_channel_element grpc_channel_element;
 typedef struct grpc_call_element grpc_call_element;
@@ -257,4 +257,4 @@ extern int grpc_trace_channel;
 #define GRPC_CALL_LOG_OP(sev, elem, op) \
   if (grpc_trace_channel) grpc_call_log_op(sev, elem, op)
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H */
diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c
new file mode 100644
index 0000000000..a8646c9565
--- /dev/null
+++ b/src/core/lib/channel/channel_stack_builder.c
@@ -0,0 +1,277 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/channel/channel_stack_builder.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+int grpc_trace_channel_stack_builder = 0;
+
+typedef struct filter_node {
+  struct filter_node *next;
+  struct filter_node *prev;
+  const grpc_channel_filter *filter;
+  grpc_post_filter_create_init_func init;
+  void *init_arg;
+} filter_node;
+
+struct grpc_channel_stack_builder {
+  // sentinel nodes for filters that have been added
+  filter_node begin;
+  filter_node end;
+  // various set/get-able parameters
+  grpc_channel_args *args;
+  grpc_transport *transport;
+  char *target;
+  const char *name;
+};
+
+struct grpc_channel_stack_builder_iterator {
+  grpc_channel_stack_builder *builder;
+  filter_node *node;
+};
+
+grpc_channel_stack_builder *grpc_channel_stack_builder_create(void) {
+  grpc_channel_stack_builder *b = gpr_malloc(sizeof(*b));
+  memset(b, 0, sizeof(*b));
+
+  b->begin.filter = NULL;
+  b->end.filter = NULL;
+  b->begin.next = &b->end;
+  b->begin.prev = &b->end;
+  b->end.next = &b->begin;
+  b->end.prev = &b->begin;
+
+  return b;
+}
+
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target) {
+  gpr_free(b->target);
+  b->target = gpr_strdup(target);
+}
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b) {
+  return b->target;
+}
+
+static grpc_channel_stack_builder_iterator *create_iterator_at_filter_node(
+    grpc_channel_stack_builder *builder, filter_node *node) {
+  grpc_channel_stack_builder_iterator *it = gpr_malloc(sizeof(*it));
+  it->builder = builder;
+  it->node = node;
+  return it;
+}
+
+void grpc_channel_stack_builder_iterator_destroy(
+    grpc_channel_stack_builder_iterator *it) {
+  gpr_free(it);
+}
+
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_first(
+    grpc_channel_stack_builder *builder) {
+  return create_iterator_at_filter_node(builder, &builder->begin);
+}
+
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_last(
+    grpc_channel_stack_builder *builder) {
+  return create_iterator_at_filter_node(builder, &builder->end);
+}
+
+bool grpc_channel_stack_builder_move_next(
+    grpc_channel_stack_builder_iterator *iterator) {
+  if (iterator->node == &iterator->builder->end) return false;
+  iterator->node = iterator->node->next;
+  return true;
+}
+
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator) {
+  if (iterator->node == &iterator->builder->begin) return false;
+  iterator->node = iterator->node->prev;
+  return true;
+}
+
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator);
+
+void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
+                                         const char *name) {
+  GPR_ASSERT(builder->name == NULL);
+  builder->name = name;
+}
+
+void grpc_channel_stack_builder_set_channel_arguments(
+    grpc_channel_stack_builder *builder, const grpc_channel_args *args) {
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  builder->args = grpc_channel_args_copy(args);
+}
+
+void grpc_channel_stack_builder_set_transport(
+    grpc_channel_stack_builder *builder, grpc_transport *transport) {
+  GPR_ASSERT(builder->transport == NULL);
+  builder->transport = transport;
+}
+
+grpc_transport *grpc_channel_stack_builder_get_transport(
+    grpc_channel_stack_builder *builder) {
+  return builder->transport;
+}
+
+const grpc_channel_args *grpc_channel_stack_builder_get_channel_arguments(
+    grpc_channel_stack_builder *builder) {
+  return builder->args;
+}
+
+bool grpc_channel_stack_builder_append_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  grpc_channel_stack_builder_iterator *it =
+      grpc_channel_stack_builder_create_iterator_at_last(builder);
+  bool ok = grpc_channel_stack_builder_add_filter_before(
+      it, filter, post_init_func, user_data);
+  grpc_channel_stack_builder_iterator_destroy(it);
+  return ok;
+}
+
+bool grpc_channel_stack_builder_prepend_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  grpc_channel_stack_builder_iterator *it =
+      grpc_channel_stack_builder_create_iterator_at_first(builder);
+  bool ok = grpc_channel_stack_builder_add_filter_after(
+      it, filter, post_init_func, user_data);
+  grpc_channel_stack_builder_iterator_destroy(it);
+  return ok;
+}
+
+static void add_after(filter_node *before, const grpc_channel_filter *filter,
+                      grpc_post_filter_create_init_func post_init_func,
+                      void *user_data) {
+  filter_node *new = gpr_malloc(sizeof(*new));
+  new->next = before->next;
+  new->prev = before;
+  new->next->prev = new->prev->next = new;
+  new->filter = filter;
+  new->init = post_init_func;
+  new->init_arg = user_data;
+}
+
+bool grpc_channel_stack_builder_add_filter_before(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  if (iterator->node == &iterator->builder->begin) return false;
+  add_after(iterator->node->prev, filter, post_init_func, user_data);
+  return true;
+}
+
+bool grpc_channel_stack_builder_add_filter_after(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  if (iterator->node == &iterator->builder->end) return false;
+  add_after(iterator->node, filter, post_init_func, user_data);
+  return true;
+}
+
+void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder) {
+  filter_node *p = builder->begin.next;
+  while (p != &builder->end) {
+    filter_node *next = p->next;
+    gpr_free(p);
+    p = next;
+  }
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  gpr_free(builder->target);
+  gpr_free(builder);
+}
+
+void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
+                                        grpc_channel_stack_builder *builder,
+                                        size_t prefix_bytes, int initial_refs,
+                                        grpc_iomgr_cb_func destroy,
+                                        void *destroy_arg) {
+  // count the number of filters
+  size_t num_filters = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    num_filters++;
+  }
+
+  // create an array of filters
+  const grpc_channel_filter **filters =
+      gpr_malloc(sizeof(*filters) * num_filters);
+  size_t i = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    filters[i++] = p->filter;
+  }
+
+  // calculate the size of the channel stack
+  size_t channel_stack_size = grpc_channel_stack_size(filters, num_filters);
+
+  // allocate memory, with prefix_bytes followed by channel_stack_size
+  char *result = gpr_malloc(prefix_bytes + channel_stack_size);
+  // fetch a pointer to the channel stack
+  grpc_channel_stack *channel_stack =
+      (grpc_channel_stack *)(result + prefix_bytes);
+  // and initialize it
+  grpc_channel_stack_init(exec_ctx, initial_refs, destroy,
+                          destroy_arg == NULL ? result : destroy_arg, filters,
+                          num_filters, builder->args, builder->name,
+                          channel_stack);
+
+  // run post-initialization functions
+  i = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    if (p->init != NULL) {
+      p->init(channel_stack, grpc_channel_stack_element(channel_stack, i),
+              p->init_arg);
+    }
+    i++;
+  }
+
+  grpc_channel_stack_builder_destroy(builder);
+  gpr_free((grpc_channel_filter **)filters);
+
+  return result;
+}
diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h
new file mode 100644
index 0000000000..0e6bfd9aa6
--- /dev/null
+++ b/src/core/lib/channel/channel_stack_builder.h
@@ -0,0 +1,161 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H
+
+#include <stdbool.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+/// grpc_channel_stack_builder offers a programmatic interface to selected
+/// and order channel filters
+typedef struct grpc_channel_stack_builder grpc_channel_stack_builder;
+typedef struct grpc_channel_stack_builder_iterator
+    grpc_channel_stack_builder_iterator;
+
+/// Create a new channel stack builder
+grpc_channel_stack_builder *grpc_channel_stack_builder_create(void);
+
+/// Assign a name to the channel stack: \a name must be statically allocated
+void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
+                                         const char *name);
+
+/// Set the target uri
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target);
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b);
+
+/// Attach \a transport to the builder (does not take ownership)
+void grpc_channel_stack_builder_set_transport(
+    grpc_channel_stack_builder *builder, grpc_transport *transport);
+
+/// Fetch attached transport
+grpc_transport *grpc_channel_stack_builder_get_transport(
+    grpc_channel_stack_builder *builder);
+
+/// Set channel arguments: copies args
+void grpc_channel_stack_builder_set_channel_arguments(
+    grpc_channel_stack_builder *builder, const grpc_channel_args *args);
+
+/// Return a borrowed pointer to the channel arguments
+const grpc_channel_args *grpc_channel_stack_builder_get_channel_arguments(
+    grpc_channel_stack_builder *builder);
+
+/// Begin iterating over already defined filters in the builder at the beginning
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_first(
+    grpc_channel_stack_builder *builder);
+
+/// Begin iterating over already defined filters in the builder at the end
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_last(
+    grpc_channel_stack_builder *builder);
+
+/// Is an iterator at the first element?
+bool grpc_channel_stack_builder_iterator_is_first(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Is an iterator at the end?
+bool grpc_channel_stack_builder_iterator_is_end(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Move an iterator to the next item
+bool grpc_channel_stack_builder_move_next(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Move an iterator to the previous item
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator);
+
+typedef void (*grpc_post_filter_create_init_func)(
+    grpc_channel_stack *channel_stack, grpc_channel_element *elem, void *arg);
+
+/// Add \a filter to the stack, after \a iterator.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_add_filter_after(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the stack, before \a iterator.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_add_filter_before(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the beginning of the filter list.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_prepend_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the end of the filter list.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_append_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Terminate iteration and destroy \a iterator
+void grpc_channel_stack_builder_iterator_destroy(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Destroy the builder, return the freshly minted channel stack
+/// Allocates \a prefix_bytes bytes before the channel stack
+/// Returns the base pointer of the allocated block
+/// \a initial_refs, \a destroy, \a destroy_arg are as per
+/// grpc_channel_stack_init
+void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
+                                        grpc_channel_stack_builder *builder,
+                                        size_t prefix_bytes, int initial_refs,
+                                        grpc_iomgr_cb_func destroy,
+                                        void *destroy_arg);
+
+/// Destroy the builder without creating a channel stack
+void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder);
+
+extern int grpc_trace_channel_stack_builder;
+
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H */
diff --git a/src/core/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c
index 3e7ca08fd2..229fdb5ef6 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/lib/channel/compress_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,13 +39,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/compression/message_compress.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/compression/message_compress.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   gpr_slice_buffer slices; /**< Buffers up input slices to be compressed */
@@ -291,7 +291,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
 const grpc_channel_filter grpc_compress_filter = {
-    compress_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "compress"};
+    compress_start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "compress"};
diff --git a/src/core/channel/compress_filter.h b/src/core/lib/channel/compress_filter.h
index 415459bca6..0d973329c4 100644
--- a/src/core/channel/compress_filter.h
+++ b/src/core/lib/channel/compress_filter.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #define GRPC_COMPRESS_REQUEST_ALGORITHM_KEY "grpc-internal-encoding-request"
 
@@ -62,4 +62,4 @@
 
 extern const grpc_channel_filter grpc_compress_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H */
diff --git a/src/core/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c
index e8eb9dcfc5..c1debab4c6 100644
--- a/src/core/channel/connected_channel.c
+++ b/src/core/lib/channel/connected_channel.c
@@ -31,19 +31,19 @@
  *
  */
 
-#include "src/core/channel/connected_channel.h"
+#include "src/core/lib/channel/connected_channel.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/transport.h"
-#include "src/core/profiling/timers.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/transport.h"
 
 #define MAX_BUFFER_LENGTH 8192
 
@@ -67,7 +67,6 @@ static void con_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                           grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
 
   grpc_transport_perform_stream_op(exec_ctx, chand->transport,
@@ -88,7 +87,6 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
   channel_data *chand = elem->channel_data;
   int r;
 
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   r = grpc_transport_init_stream(
       exec_ctx, chand->transport, TRANSPORT_STREAM_FROM_CALL_DATA(calld),
       &args->call_stack->refcount, args->server_transport_data);
@@ -108,7 +106,6 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   grpc_transport_destroy_stream(exec_ctx, chand->transport,
                                 TRANSPORT_STREAM_FROM_CALL_DATA(calld));
 }
@@ -119,7 +116,6 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
                               grpc_channel_element_args *args) {
   channel_data *cd = (channel_data *)elem->channel_data;
   GPR_ASSERT(args->is_last);
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   cd->transport = NULL;
 }
 
@@ -127,7 +123,6 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {
   channel_data *cd = (channel_data *)elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   grpc_transport_destroy(exec_ctx, cd->transport);
 }
 
@@ -136,21 +131,26 @@ static char *con_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
   return grpc_transport_get_peer(exec_ctx, chand->transport);
 }
 
-const grpc_channel_filter grpc_connected_channel_filter = {
-    con_start_transport_stream_op, con_start_transport_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, con_get_peer, "connected",
+static const grpc_channel_filter connected_channel_filter = {
+    con_start_transport_stream_op,
+    con_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    con_get_peer,
+    "connected",
 };
 
-void grpc_connected_channel_bind_transport(grpc_channel_stack *channel_stack,
-                                           grpc_transport *transport) {
-  /* Assumes that the connected channel filter is always the last filter
-     in a channel stack */
-  grpc_channel_element *elem = grpc_channel_stack_last_element(channel_stack);
+static void bind_transport(grpc_channel_stack *channel_stack,
+                           grpc_channel_element *elem, void *t) {
   channel_data *cd = (channel_data *)elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
+  GPR_ASSERT(elem->filter == &connected_channel_filter);
   GPR_ASSERT(cd->transport == NULL);
-  cd->transport = transport;
+  cd->transport = t;
 
   /* HACK(ctiller): increase call stack size for the channel to make space
      for channel data. We need a cleaner (but performant) way to do this,
@@ -158,7 +158,16 @@ void grpc_connected_channel_bind_transport(grpc_channel_stack *channel_stack,
      This is only "safe" because call stacks place no additional data after
      the last call element, and the last call element MUST be the connected
      channel. */
-  channel_stack->call_stack_size += grpc_transport_stream_size(transport);
+  channel_stack->call_stack_size += grpc_transport_stream_size(t);
+}
+
+bool grpc_add_connected_filter(grpc_channel_stack_builder *builder,
+                               void *arg_must_be_null) {
+  GPR_ASSERT(arg_must_be_null == NULL);
+  grpc_transport *t = grpc_channel_stack_builder_get_transport(builder);
+  GPR_ASSERT(t != NULL);
+  return grpc_channel_stack_builder_append_filter(
+      builder, &connected_channel_filter, bind_transport, t);
 }
 
 grpc_stream *grpc_connected_channel_get_stream(grpc_call_element *elem) {
diff --git a/src/core/client_config/resolvers/dns_resolver.h b/src/core/lib/channel/connected_channel.h
index a3ef3161a6..3142d647b7 100644
--- a/src/core/client_config/resolvers/dns_resolver.h
+++ b/src/core/lib/channel/connected_channel.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H
+#define GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/lib/channel/channel_stack_builder.h"
 
-/** Create a dns resolver factory */
-grpc_resolver_factory *grpc_dns_resolver_factory_create(void);
+bool grpc_add_connected_filter(grpc_channel_stack_builder *builder,
+                               void *arg_must_be_null);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H */
diff --git a/src/core/channel/context.h b/src/core/lib/channel/context.h
index ac5796b9ef..c50e84279d 100644
--- a/src/core/channel/context.h
+++ b/src/core/lib/channel/context.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CONTEXT_H
+#define GRPC_CORE_LIB_CHANNEL_CONTEXT_H
 
 /* Call object context pointers */
 typedef enum {
@@ -46,4 +46,4 @@ typedef struct {
   void (*destroy)(void *);
 } grpc_call_context_element;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CONTEXT_H */
diff --git a/src/core/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c
index 1aa27208c2..211f537c69 100644
--- a/src/core/channel/http_client_filter.c
+++ b/src/core/lib/channel/http_client_filter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,14 +30,14 @@
  *
  */
 
-#include "src/core/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_client_filter.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <string.h>
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   grpc_linked_mdelem method;
@@ -111,8 +111,12 @@ static void hc_mutate_op(grpc_call_element *elem,
                                elem);
     /* Send : prefixed headers, which have to be before any application
        layer headers. */
-    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->method,
-                                 GRPC_MDELEM_METHOD_POST);
+    grpc_metadata_batch_add_head(
+        op->send_initial_metadata, &calld->method,
+        op->send_initial_metadata_flags &
+                GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+            ? GRPC_MDELEM_METHOD_PUT
+            : GRPC_MDELEM_METHOD_POST);
     grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->scheme,
                                  channeld->static_scheme);
     grpc_metadata_batch_add_tail(op->send_initial_metadata, &calld->te_trailers,
@@ -242,7 +246,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 }
 
 const grpc_channel_filter grpc_http_client_filter = {
-    hc_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "http-client"};
+    hc_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "http-client"};
diff --git a/src/core/channel/http_client_filter.h b/src/core/lib/channel/http_client_filter.h
index 21c66b9b8e..a884b36318 100644
--- a/src/core/channel/http_client_filter.h
+++ b/src/core/lib/channel/http_client_filter.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Processes metadata on the client side for HTTP2 transports */
 extern const grpc_channel_filter grpc_http_client_filter;
 
 #define GRPC_ARG_HTTP2_SCHEME "grpc.http2_scheme"
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H */
diff --git a/src/core/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c
index 370f8dbe42..c140c61b8f 100644
--- a/src/core/channel/http_server_filter.c
+++ b/src/core/lib/channel/http_server_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,17 @@
  *
  */
 
-#include "src/core/channel/http_server_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <string.h>
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   uint8_t seen_path;
-  uint8_t seen_post;
+  uint8_t seen_method;
   uint8_t sent_status;
   uint8_t seen_scheme;
   uint8_t seen_te_trailers;
@@ -50,6 +50,7 @@ typedef struct call_data {
   grpc_linked_mdelem content_type;
 
   grpc_metadata_batch *recv_initial_metadata;
+  bool *recv_idempotent_request;
   /** Closure to call when finished with the hs_on_recv hook */
   grpc_closure *on_done_recv;
   /** Receive closures are chained: we inject this closure as the on_done_recv
@@ -72,11 +73,16 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
 
   /* Check if it is one of the headers we care about. */
   if (md == GRPC_MDELEM_TE_TRAILERS || md == GRPC_MDELEM_METHOD_POST ||
-      md == GRPC_MDELEM_SCHEME_HTTP || md == GRPC_MDELEM_SCHEME_HTTPS ||
+      md == GRPC_MDELEM_METHOD_PUT || md == GRPC_MDELEM_SCHEME_HTTP ||
+      md == GRPC_MDELEM_SCHEME_HTTPS ||
       md == GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC) {
     /* swallow it */
     if (md == GRPC_MDELEM_METHOD_POST) {
-      calld->seen_post = 1;
+      calld->seen_method = 1;
+      *calld->recv_idempotent_request = false;
+    } else if (md == GRPC_MDELEM_METHOD_PUT) {
+      calld->seen_method = 1;
+      *calld->recv_idempotent_request = true;
     } else if (md->key == GRPC_MDSTR_SCHEME) {
       calld->seen_scheme = 1;
     } else if (md == GRPC_MDELEM_TE_TRAILERS) {
@@ -142,7 +148,7 @@ static void hs_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
     /* Have we seen the required http2 transport headers?
        (:method, :scheme, content-type, with :path and :authority covered
        at the channel level right now) */
-    if (calld->seen_post && calld->seen_scheme && calld->seen_te_trailers &&
+    if (calld->seen_method && calld->seen_scheme && calld->seen_te_trailers &&
         calld->seen_path && calld->seen_authority) {
       /* do nothing */
     } else {
@@ -152,7 +158,7 @@ static void hs_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
       if (!calld->seen_authority) {
         gpr_log(GPR_ERROR, "Missing :authority header");
       }
-      if (!calld->seen_post) {
+      if (!calld->seen_method) {
         gpr_log(GPR_ERROR, "Missing :method header");
       }
       if (!calld->seen_scheme) {
@@ -185,7 +191,9 @@ static void hs_mutate_op(grpc_call_element *elem,
 
   if (op->recv_initial_metadata) {
     /* substitute our callback for the higher callback */
+    GPR_ASSERT(op->recv_idempotent_request != NULL);
     calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->recv_idempotent_request = op->recv_idempotent_request;
     calld->on_done_recv = op->recv_initial_metadata_ready;
     op->recv_initial_metadata_ready = &calld->hs_on_recv;
   }
@@ -227,7 +235,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
 const grpc_channel_filter grpc_http_server_filter = {
-    hs_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "http-server"};
+    hs_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "http-server"};
diff --git a/src/core/channel/http_server_filter.h b/src/core/lib/channel/http_server_filter.h
index f219d4e66f..77ba2d263d 100644
--- a/src/core/channel/http_server_filter.h
+++ b/src/core/lib/channel/http_server_filter.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Processes metadata on the client side for HTTP2 transports */
 extern const grpc_channel_filter grpc_http_server_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H */
diff --git a/src/core/compression/algorithm_metadata.h b/src/core/lib/compression/algorithm_metadata.h
index 882633c307..1f9cc15f23 100644
--- a/src/core/compression/algorithm_metadata.h
+++ b/src/core/lib/compression/algorithm_metadata.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H
-#define GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H
+#ifndef GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H
+#define GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H
 
 #include <grpc/compression.h>
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 /** Return compression algorithm based metadata value */
 grpc_mdstr *grpc_compression_algorithm_mdstr(
@@ -50,4 +50,4 @@ grpc_mdelem *grpc_compression_encoding_mdelem(
 grpc_compression_algorithm grpc_compression_algorithm_from_mdstr(
     grpc_mdstr *str);
 
-#endif /* GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H */
+#endif /* GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H */
diff --git a/src/core/compression/algorithm.c b/src/core/lib/compression/compression_algorithm.c
index 6f3a8eb28e..7039364b7b 100644
--- a/src/core/compression/algorithm.c
+++ b/src/core/lib/compression/compression_algorithm.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,9 +37,9 @@
 #include <grpc/compression.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 int grpc_compression_algorithm_parse(const char *name, size_t name_length,
                                      grpc_compression_algorithm *algorithm) {
@@ -128,20 +128,57 @@ grpc_mdelem *grpc_compression_encoding_mdelem(
 /* TODO(dgq): Add the ability to specify parameters to the individual
  * compression algorithms */
 grpc_compression_algorithm grpc_compression_algorithm_for_level(
-    grpc_compression_level level) {
+    grpc_compression_level level, uint32_t accepted_encodings) {
   GRPC_API_TRACE("grpc_compression_algorithm_for_level(level=%d)", 1,
                  ((int)level));
+  if (level > GRPC_COMPRESS_LEVEL_HIGH) {
+    gpr_log(GPR_ERROR, "Unknown compression level %d.", (int)level);
+    abort();
+  }
+
+  const size_t num_supported =
+      GPR_BITCOUNT(accepted_encodings) - 1; /* discard NONE */
+  if (level == GRPC_COMPRESS_LEVEL_NONE || num_supported == 0) {
+    return GRPC_COMPRESS_NONE;
+  }
+
+  GPR_ASSERT(level > 0);
+
+  /* Establish a "ranking" or compression algorithms in increasing order of
+   * compression.
+   * This is simplistic and we will probably want to introduce other dimensions
+   * in the future (cpu/memory cost, etc). */
+  const grpc_compression_algorithm algos_ranking[] = {GRPC_COMPRESS_GZIP,
+                                                      GRPC_COMPRESS_DEFLATE};
+
+  /* intersect algos_ranking with the supported ones keeping the ranked order */
+  grpc_compression_algorithm
+      sorted_supported_algos[GRPC_COMPRESS_ALGORITHMS_COUNT];
+  size_t algos_supported_idx = 0;
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(algos_ranking); i++) {
+    const grpc_compression_algorithm alg = algos_ranking[i];
+    for (size_t j = 0; j < num_supported; j++) {
+      if (GPR_BITGET(accepted_encodings, alg) == 1) {
+        /* if \a alg in supported */
+        sorted_supported_algos[algos_supported_idx++] = alg;
+        break;
+      }
+    }
+    if (algos_supported_idx == num_supported) break;
+  }
+
   switch (level) {
     case GRPC_COMPRESS_LEVEL_NONE:
-      return GRPC_COMPRESS_NONE;
+      abort(); /* should have been handled already */
     case GRPC_COMPRESS_LEVEL_LOW:
+      return sorted_supported_algos[0];
     case GRPC_COMPRESS_LEVEL_MED:
+      return sorted_supported_algos[num_supported / 2];
     case GRPC_COMPRESS_LEVEL_HIGH:
-      return GRPC_COMPRESS_DEFLATE;
+      return sorted_supported_algos[num_supported - 1];
     default:
-      gpr_log(GPR_ERROR, "Unknown compression level %d.", (int)level);
       abort();
-  }
+  };
 }
 
 void grpc_compression_options_init(grpc_compression_options *opts) {
diff --git a/src/core/compression/message_compress.c b/src/core/lib/compression/message_compress.c
index edc21a9eb7..cbe0b5a285 100644
--- a/src/core/compression/message_compress.c
+++ b/src/core/lib/compression/message_compress.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <string.h>
 
diff --git a/src/core/compression/message_compress.h b/src/core/lib/compression/message_compress.h
index 14652004b8..c69eaaf006 100644
--- a/src/core/compression/message_compress.h
+++ b/src/core/lib/compression/message_compress.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H
-#define GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H
+#ifndef GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
+#define GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
 
 #include <grpc/compression.h>
 #include <grpc/support/slice_buffer.h>
@@ -49,4 +49,4 @@ int grpc_msg_compress(grpc_compression_algorithm algorithm,
 int grpc_msg_decompress(grpc_compression_algorithm algorithm,
                         gpr_slice_buffer* input, gpr_slice_buffer* output);
 
-#endif /* GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H */
+#endif /* GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H */
diff --git a/src/core/debug/trace.c b/src/core/lib/debug/trace.c
index 3b35d81cd8..555f497b78 100644
--- a/src/core/debug/trace.c
+++ b/src/core/lib/debug/trace.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/debug/trace.h"
+#include "src/core/lib/debug/trace.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 typedef struct tracer {
   const char *name;
diff --git a/src/core/debug/trace.h b/src/core/lib/debug/trace.h
index dc5875976e..7afc38db7e 100644
--- a/src/core/debug/trace.h
+++ b/src/core/lib/debug/trace.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_DEBUG_TRACE_H
-#define GRPC_INTERNAL_CORE_DEBUG_TRACE_H
+#ifndef GRPC_CORE_LIB_DEBUG_TRACE_H
+#define GRPC_CORE_LIB_DEBUG_TRACE_H
 
 #include <grpc/support/port_platform.h>
 
@@ -40,4 +40,4 @@ void grpc_register_tracer(const char *name, int *flag);
 void grpc_tracer_init(const char *env_var_name);
 void grpc_tracer_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_DEBUG_TRACE_H */
+#endif /* GRPC_CORE_LIB_DEBUG_TRACE_H */
diff --git a/src/core/httpcli/format_request.c b/src/core/lib/http/format_request.c
index 04f2a2d99a..9240356fea 100644
--- a/src/core/httpcli/format_request.c
+++ b/src/core/lib/http/format_request.c
@@ -31,22 +31,22 @@
  *
  */
 
-#include "src/core/httpcli/format_request.h"
+#include "src/core/lib/http/format_request.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 
 static void fill_common_header(const grpc_httpcli_request *request,
                                gpr_strvec *buf) {
   size_t i;
-  gpr_strvec_add(buf, gpr_strdup(request->path));
+  gpr_strvec_add(buf, gpr_strdup(request->http.path));
   gpr_strvec_add(buf, gpr_strdup(" HTTP/1.0\r\n"));
   /* just in case some crazy server really expects HTTP/1.1 */
   gpr_strvec_add(buf, gpr_strdup("Host: "));
@@ -56,10 +56,10 @@ static void fill_common_header(const grpc_httpcli_request *request,
   gpr_strvec_add(buf,
                  gpr_strdup("User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"));
   /* user supplied headers */
-  for (i = 0; i < request->hdr_count; i++) {
-    gpr_strvec_add(buf, gpr_strdup(request->hdrs[i].key));
+  for (i = 0; i < request->http.hdr_count; i++) {
+    gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].key));
     gpr_strvec_add(buf, gpr_strdup(": "));
-    gpr_strvec_add(buf, gpr_strdup(request->hdrs[i].value));
+    gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].value));
     gpr_strvec_add(buf, gpr_strdup("\r\n"));
   }
 }
@@ -94,8 +94,8 @@ gpr_slice grpc_httpcli_format_post_request(const grpc_httpcli_request *request,
   fill_common_header(request, &out);
   if (body_bytes) {
     uint8_t has_content_type = 0;
-    for (i = 0; i < request->hdr_count; i++) {
-      if (strcmp(request->hdrs[i].key, "Content-Type") == 0) {
+    for (i = 0; i < request->http.hdr_count; i++) {
+      if (strcmp(request->http.hdrs[i].key, "Content-Type") == 0) {
         has_content_type = 1;
         break;
       }
diff --git a/src/core/httpcli/format_request.h b/src/core/lib/http/format_request.h
index c8dc8f7d4e..1543efe4b0 100644
--- a/src/core/httpcli/format_request.h
+++ b/src/core/lib/http/format_request.h
@@ -31,15 +31,15 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H
+#ifndef GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H
+#define GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H
 
-#include "src/core/httpcli/httpcli.h"
 #include <grpc/support/slice.h>
+#include "src/core/lib/http/httpcli.h"
 
 gpr_slice grpc_httpcli_format_get_request(const grpc_httpcli_request *request);
 gpr_slice grpc_httpcli_format_post_request(const grpc_httpcli_request *request,
                                            const char *body_bytes,
                                            size_t body_size);
 
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H */
+#endif /* GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H */
diff --git a/src/core/httpcli/httpcli.c b/src/core/lib/http/httpcli.c
index 71237bb614..76bd1b64dc 100644
--- a/src/core/httpcli/httpcli.c
+++ b/src/core/lib/http/httpcli.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,24 +31,26 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 #include <string.h>
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/httpcli/format_request.h"
-#include "src/core/httpcli/parser.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/http/format_request.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/support/string.h"
+
 typedef struct {
   gpr_slice request_text;
-  grpc_httpcli_parser parser;
+  grpc_http_parser parser;
   grpc_resolved_addresses *addresses;
   size_t next_address;
   grpc_endpoint *ep;
@@ -84,21 +86,22 @@ const grpc_httpcli_handshaker grpc_httpcli_plaintext = {"http",
                                                         plaintext_handshake};
 
 void grpc_httpcli_context_init(grpc_httpcli_context *context) {
-  grpc_pollset_set_init(&context->pollset_set);
+  context->pollset_set = grpc_pollset_set_create();
 }
 
 void grpc_httpcli_context_destroy(grpc_httpcli_context *context) {
-  grpc_pollset_set_destroy(&context->pollset_set);
+  grpc_pollset_set_destroy(context->pollset_set);
 }
 
 static void next_address(grpc_exec_ctx *exec_ctx, internal_request *req);
 
 static void finish(grpc_exec_ctx *exec_ctx, internal_request *req,
                    int success) {
-  grpc_pollset_set_del_pollset(exec_ctx, &req->context->pollset_set,
+  grpc_pollset_set_del_pollset(exec_ctx, req->context->pollset_set,
                                req->pollset);
-  req->on_response(exec_ctx, req->user_data, success ? &req->parser.r : NULL);
-  grpc_httpcli_parser_destroy(&req->parser);
+  req->on_response(exec_ctx, req->user_data,
+                   success ? &req->parser.http.response : NULL);
+  grpc_http_parser_destroy(&req->parser);
   if (req->addresses != NULL) {
     grpc_resolved_addresses_destroy(req->addresses);
   }
@@ -127,7 +130,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   for (i = 0; i < req->incoming.count; i++) {
     if (GPR_SLICE_LENGTH(req->incoming.slices[i])) {
       req->have_read_byte = 1;
-      if (!grpc_httpcli_parser_parse(&req->parser, req->incoming.slices[i])) {
+      if (!grpc_http_parser_parse(&req->parser, req->incoming.slices[i])) {
         finish(exec_ctx, req, 0);
         return;
       }
@@ -139,7 +142,11 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   } else if (!req->have_read_byte) {
     next_address(exec_ctx, req);
   } else {
-    finish(exec_ctx, req, grpc_httpcli_parser_eof(&req->parser));
+    int parse_success = grpc_http_parser_eof(&req->parser);
+    if (parse_success && (req->parser.type != GRPC_HTTP_RESPONSE)) {
+      parse_success = 0;
+    }
+    finish(exec_ctx, req, parse_success);
   }
 }
 
@@ -197,7 +204,7 @@ static void next_address(grpc_exec_ctx *exec_ctx, internal_request *req) {
   addr = &req->addresses->addrs[req->next_address++];
   grpc_closure_init(&req->connected, on_connected, req);
   grpc_tcp_client_connect(
-      exec_ctx, &req->connected, &req->ep, &req->context->pollset_set,
+      exec_ctx, &req->connected, &req->ep, req->context->pollset_set,
       (struct sockaddr *)&addr->addr, addr->len, req->deadline);
 }
 
@@ -221,7 +228,7 @@ static void internal_request_begin(
   internal_request *req = gpr_malloc(sizeof(internal_request));
   memset(req, 0, sizeof(*req));
   req->request_text = request_text;
-  grpc_httpcli_parser_init(&req->parser);
+  grpc_http_parser_init(&req->parser);
   req->on_response = on_response;
   req->user_data = user_data;
   req->deadline = deadline;
@@ -237,7 +244,7 @@ static void internal_request_begin(
   req->host = gpr_strdup(request->host);
   req->ssl_host_override = gpr_strdup(request->ssl_host_override);
 
-  grpc_pollset_set_add_pollset(exec_ctx, &req->context->pollset_set,
+  grpc_pollset_set_add_pollset(exec_ctx, req->context->pollset_set,
                                req->pollset);
   grpc_resolve_address(request->host, req->handshaker->default_port,
                        on_resolved, req);
@@ -253,7 +260,7 @@ void grpc_httpcli_get(grpc_exec_ctx *exec_ctx, grpc_httpcli_context *context,
       g_get_override(exec_ctx, request, deadline, on_response, user_data)) {
     return;
   }
-  gpr_asprintf(&name, "HTTP:GET:%s:%s", request->host, request->path);
+  gpr_asprintf(&name, "HTTP:GET:%s:%s", request->host, request->http.path);
   internal_request_begin(exec_ctx, context, pollset, request, deadline,
                          on_response, user_data, name,
                          grpc_httpcli_format_get_request(request));
@@ -272,7 +279,7 @@ void grpc_httpcli_post(grpc_exec_ctx *exec_ctx, grpc_httpcli_context *context,
                       on_response, user_data)) {
     return;
   }
-  gpr_asprintf(&name, "HTTP:POST:%s:%s", request->host, request->path);
+  gpr_asprintf(&name, "HTTP:POST:%s:%s", request->host, request->http.path);
   internal_request_begin(
       exec_ctx, context, pollset, request, deadline, on_response, user_data,
       name, grpc_httpcli_format_post_request(request, body_bytes, body_size));
diff --git a/src/core/httpcli/httpcli.h b/src/core/lib/http/httpcli.h
index 30875d71f1..11a32a125c 100644
--- a/src/core/httpcli/httpcli.h
+++ b/src/core/lib/http/httpcli.h
@@ -31,32 +31,26 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H
+#ifndef GRPC_CORE_LIB_HTTP_HTTPCLI_H
+#define GRPC_CORE_LIB_HTTP_HTTPCLI_H
 
 #include <stddef.h>
 
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/pollset_set.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset_set.h"
 
 /* User agent this library reports */
 #define GRPC_HTTPCLI_USER_AGENT "grpc-httpcli/0.0"
-/* Maximum length of a header string of the form 'Key: Value\r\n' */
-#define GRPC_HTTPCLI_MAX_HEADER_LENGTH 4096
-
-/* A single header to be passed in a request */
-typedef struct grpc_httpcli_header {
-  char *key;
-  char *value;
-} grpc_httpcli_header;
 
 /* Tracks in-progress http requests
    TODO(ctiller): allow caching and capturing multiple requests for the
                   same content and combining them */
 typedef struct grpc_httpcli_context {
-  grpc_pollset_set pollset_set;
+  grpc_pollset_set *pollset_set;
 } grpc_httpcli_context;
 
 typedef struct {
@@ -76,33 +70,21 @@ typedef struct grpc_httpcli_request {
   char *host;
   /* The host to verify in the SSL handshake (or NULL) */
   char *ssl_host_override;
-  /* The path of the resource to fetch */
-  char *path;
-  /* Additional headers: count and key/values; the following are supplied
-     automatically and MUST NOT be set here:
+  /* The main part of the request
+     The following headers are supplied automatically and MUST NOT be set here:
      Host, Connection, User-Agent */
-  size_t hdr_count;
-  grpc_httpcli_header *hdrs;
+  grpc_http_request http;
   /* handshaker to use ssl for the request */
   const grpc_httpcli_handshaker *handshaker;
 } grpc_httpcli_request;
 
-/* A response */
-typedef struct grpc_httpcli_response {
-  /* HTTP status code */
-  int status;
-  /* Headers: count and key/values */
-  size_t hdr_count;
-  grpc_httpcli_header *hdrs;
-  /* Body: length and contents; contents are NOT null-terminated */
-  size_t body_length;
-  char *body;
-} grpc_httpcli_response;
+/* Expose the parser response type as a httpcli response too */
+typedef struct grpc_http_response grpc_httpcli_response;
 
 /* Callback for grpc_httpcli_get and grpc_httpcli_post. */
 typedef void (*grpc_httpcli_response_cb)(grpc_exec_ctx *exec_ctx,
                                          void *user_data,
-                                         const grpc_httpcli_response *response);
+                                         const grpc_http_response *response);
 
 void grpc_httpcli_context_init(grpc_httpcli_context *context);
 void grpc_httpcli_context_destroy(grpc_httpcli_context *context);
@@ -159,4 +141,4 @@ typedef int (*grpc_httpcli_post_override)(
 void grpc_httpcli_set_override(grpc_httpcli_get_override get,
                                grpc_httpcli_post_override post);
 
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H */
+#endif /* GRPC_CORE_LIB_HTTP_HTTPCLI_H */
diff --git a/src/core/httpcli/httpcli_security_connector.c b/src/core/lib/http/httpcli_security_connector.c
index 41ad1de6c0..ea4bff30d4 100644
--- a/src/core/httpcli/httpcli_security_connector.c
+++ b/src/core/lib/http/httpcli_security_connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
-#include "src/core/security/handshake.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/security/handshake.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 
 typedef struct {
   grpc_channel_security_connector base;
@@ -59,7 +59,7 @@ static void httpcli_ssl_destroy(grpc_security_connector *sc) {
 }
 
 static void httpcli_ssl_do_handshake(grpc_exec_ctx *exec_ctx,
-                                     grpc_security_connector *sc,
+                                     grpc_channel_security_connector *sc,
                                      grpc_endpoint *nonsecure_endpoint,
                                      grpc_security_handshake_done_cb cb,
                                      void *user_data) {
@@ -78,8 +78,8 @@ static void httpcli_ssl_do_handshake(grpc_exec_ctx *exec_ctx,
             tsi_result_to_string(result));
     cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL);
   } else {
-    grpc_do_security_handshake(exec_ctx, handshaker, sc, nonsecure_endpoint, cb,
-                               user_data);
+    grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, true,
+                               nonsecure_endpoint, cb, user_data);
   }
 }
 
@@ -103,7 +103,7 @@ static void httpcli_ssl_check_peer(grpc_exec_ctx *exec_ctx,
 }
 
 static grpc_security_connector_vtable httpcli_ssl_vtable = {
-    httpcli_ssl_destroy, httpcli_ssl_do_handshake, httpcli_ssl_check_peer};
+    httpcli_ssl_destroy, httpcli_ssl_check_peer};
 
 static grpc_security_status httpcli_ssl_channel_security_connector_create(
     const unsigned char *pem_root_certs, size_t pem_root_certs_size,
@@ -121,7 +121,6 @@ static grpc_security_status httpcli_ssl_channel_security_connector_create(
   memset(c, 0, sizeof(grpc_httpcli_ssl_channel_security_connector));
 
   gpr_ref_init(&c->base.base.refcount, 1);
-  c->base.base.is_client_side = 1;
   c->base.base.vtable = &httpcli_ssl_vtable;
   if (secure_peer_name != NULL) {
     c->secure_peer_name = gpr_strdup(secure_peer_name);
@@ -136,6 +135,7 @@ static grpc_security_status httpcli_ssl_channel_security_connector_create(
     *sc = NULL;
     return GRPC_SECURITY_ERROR;
   }
+  c->base.do_handshake = httpcli_ssl_do_handshake;
   *sc = &c->base;
   return GRPC_SECURITY_OK;
 }
@@ -180,8 +180,8 @@ static void ssl_handshake(grpc_exec_ctx *exec_ctx, void *arg,
   GPR_ASSERT(httpcli_ssl_channel_security_connector_create(
                  pem_root_certs, pem_root_certs_size, host, &sc) ==
              GRPC_SECURITY_OK);
-  grpc_security_connector_do_handshake(exec_ctx, &sc->base, tcp,
-                                       on_secure_transport_setup_done, c);
+  grpc_channel_security_connector_do_handshake(
+      exec_ctx, sc, tcp, on_secure_transport_setup_done, c);
   GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "httpcli");
 }
 
diff --git a/src/core/lib/http/parser.c b/src/core/lib/http/parser.c
new file mode 100644
index 0000000000..01d17fb623
--- /dev/null
+++ b/src/core/lib/http/parser.c
@@ -0,0 +1,317 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/http/parser.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+extern int grpc_http_trace;
+
+static char *buf2str(void *buffer, size_t length) {
+  char *out = gpr_malloc(length + 1);
+  memcpy(out, buffer, length);
+  out[length] = 0;
+  return out;
+}
+
+static int handle_response_line(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+
+  if (cur == end || *cur++ != 'H') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'P') goto error;
+  if (cur == end || *cur++ != '/') goto error;
+  if (cur == end || *cur++ != '1') goto error;
+  if (cur == end || *cur++ != '.') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '1') goto error;
+  if (cur == end || *cur++ != ' ') goto error;
+  if (cur == end || *cur < '1' || *cur++ > '9') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
+  parser->http.response.status =
+      (cur[-3] - '0') * 100 + (cur[-2] - '0') * 10 + (cur[-1] - '0');
+  if (cur == end || *cur++ != ' ') goto error;
+
+  /* we don't really care about the status code message */
+
+  return 1;
+
+error:
+  if (grpc_http_trace) gpr_log(GPR_ERROR, "Failed parsing response line");
+  return 0;
+}
+
+static int handle_request_line(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+  uint8_t vers_major = 0;
+  uint8_t vers_minor = 0;
+
+  while (cur != end && *cur++ != ' ')
+    ;
+  if (cur == end) goto error;
+  parser->http.request.method = buf2str(beg, (size_t)(cur - beg - 1));
+
+  beg = cur;
+  while (cur != end && *cur++ != ' ')
+    ;
+  if (cur == end) goto error;
+  parser->http.request.path = buf2str(beg, (size_t)(cur - beg - 1));
+
+  if (cur == end || *cur++ != 'H') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'P') goto error;
+  if (cur == end || *cur++ != '/') goto error;
+  vers_major = (uint8_t)(*cur++ - '1' + 1);
+  ++cur;
+  if (cur == end) goto error;
+  vers_minor = (uint8_t)(*cur++ - '1' + 1);
+
+  if (vers_major == 1) {
+    if (vers_minor == 0) {
+      parser->http.request.version = GRPC_HTTP_HTTP10;
+    } else if (vers_minor == 1) {
+      parser->http.request.version = GRPC_HTTP_HTTP11;
+    } else {
+      goto error;
+    }
+  } else if (vers_major == 2) {
+    if (vers_minor == 0) {
+      parser->http.request.version = GRPC_HTTP_HTTP20;
+    } else {
+      goto error;
+    }
+  } else {
+    goto error;
+  }
+
+  return 1;
+
+error:
+  if (grpc_http_trace) gpr_log(GPR_ERROR, "Failed parsing request line");
+  return 0;
+}
+
+static int handle_first_line(grpc_http_parser *parser) {
+  if (parser->cur_line[0] == 'H') {
+    parser->type = GRPC_HTTP_RESPONSE;
+    return handle_response_line(parser);
+  } else {
+    parser->type = GRPC_HTTP_REQUEST;
+    return handle_request_line(parser);
+  }
+}
+
+static int add_header(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+  size_t *hdr_count = NULL;
+  grpc_http_header **hdrs = NULL;
+  grpc_http_header hdr = {NULL, NULL};
+
+  GPR_ASSERT(cur != end);
+
+  if (*cur == ' ' || *cur == '\t') {
+    if (grpc_http_trace)
+      gpr_log(GPR_ERROR, "Continued header lines not supported yet");
+    goto error;
+  }
+
+  while (cur != end && *cur != ':') {
+    cur++;
+  }
+  if (cur == end) {
+    if (grpc_http_trace) gpr_log(GPR_ERROR, "Didn't find ':' in header string");
+    goto error;
+  }
+  GPR_ASSERT(cur >= beg);
+  hdr.key = buf2str(beg, (size_t)(cur - beg));
+  cur++; /* skip : */
+
+  while (cur != end && (*cur == ' ' || *cur == '\t')) {
+    cur++;
+  }
+  GPR_ASSERT(end - cur >= 2);
+  hdr.value = buf2str(cur, (size_t)(end - cur) - 2);
+
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    hdr_count = &parser->http.response.hdr_count;
+    hdrs = &parser->http.response.hdrs;
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    hdr_count = &parser->http.request.hdr_count;
+    hdrs = &parser->http.request.hdrs;
+  } else {
+    return 0;
+  }
+
+  if (*hdr_count == parser->hdr_capacity) {
+    parser->hdr_capacity =
+        GPR_MAX(parser->hdr_capacity + 1, parser->hdr_capacity * 3 / 2);
+    *hdrs = gpr_realloc(*hdrs, parser->hdr_capacity * sizeof(**hdrs));
+  }
+  (*hdrs)[(*hdr_count)++] = hdr;
+  return 1;
+
+error:
+  gpr_free(hdr.key);
+  gpr_free(hdr.value);
+  return 0;
+}
+
+static int finish_line(grpc_http_parser *parser) {
+  switch (parser->state) {
+    case GRPC_HTTP_FIRST_LINE:
+      if (!handle_first_line(parser)) {
+        return 0;
+      }
+      parser->state = GRPC_HTTP_HEADERS;
+      break;
+    case GRPC_HTTP_HEADERS:
+      if (parser->cur_line_length == 2) {
+        parser->state = GRPC_HTTP_BODY;
+        break;
+      }
+      if (!add_header(parser)) {
+        return 0;
+      }
+      break;
+    case GRPC_HTTP_BODY:
+      GPR_UNREACHABLE_CODE(return 0);
+  }
+
+  parser->cur_line_length = 0;
+  return 1;
+}
+
+static int addbyte_body(grpc_http_parser *parser, uint8_t byte) {
+  size_t *body_length = NULL;
+  char **body = NULL;
+
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    body_length = &parser->http.response.body_length;
+    body = &parser->http.response.body;
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    body_length = &parser->http.request.body_length;
+    body = &parser->http.request.body;
+  } else {
+    return 0;
+  }
+
+  if (*body_length == parser->body_capacity) {
+    parser->body_capacity = GPR_MAX(8, parser->body_capacity * 3 / 2);
+    *body = gpr_realloc((void *)*body, parser->body_capacity);
+  }
+  (*body)[*body_length] = (char)byte;
+  (*body_length)++;
+
+  return 1;
+}
+
+static int addbyte(grpc_http_parser *parser, uint8_t byte) {
+  switch (parser->state) {
+    case GRPC_HTTP_FIRST_LINE:
+    case GRPC_HTTP_HEADERS:
+      if (parser->cur_line_length >= GRPC_HTTP_PARSER_MAX_HEADER_LENGTH) {
+        if (grpc_http_trace)
+          gpr_log(GPR_ERROR, "HTTP client max line length (%d) exceeded",
+                  GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
+        return 0;
+      }
+      parser->cur_line[parser->cur_line_length] = byte;
+      parser->cur_line_length++;
+      if (parser->cur_line_length >= 2 &&
+          parser->cur_line[parser->cur_line_length - 2] == '\r' &&
+          parser->cur_line[parser->cur_line_length - 1] == '\n') {
+        return finish_line(parser);
+      } else {
+        return 1;
+      }
+      GPR_UNREACHABLE_CODE(return 0);
+    case GRPC_HTTP_BODY:
+      return addbyte_body(parser, byte);
+  }
+  GPR_UNREACHABLE_CODE(return 0);
+}
+
+void grpc_http_parser_init(grpc_http_parser *parser) {
+  memset(parser, 0, sizeof(*parser));
+  parser->state = GRPC_HTTP_FIRST_LINE;
+  parser->type = GRPC_HTTP_UNKNOWN;
+}
+
+void grpc_http_parser_destroy(grpc_http_parser *parser) {
+  size_t i;
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    gpr_free(parser->http.response.body);
+    for (i = 0; i < parser->http.response.hdr_count; i++) {
+      gpr_free(parser->http.response.hdrs[i].key);
+      gpr_free(parser->http.response.hdrs[i].value);
+    }
+    gpr_free(parser->http.response.hdrs);
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    gpr_free(parser->http.request.body);
+    for (i = 0; i < parser->http.request.hdr_count; i++) {
+      gpr_free(parser->http.request.hdrs[i].key);
+      gpr_free(parser->http.request.hdrs[i].value);
+    }
+    gpr_free(parser->http.request.hdrs);
+    gpr_free(parser->http.request.method);
+    gpr_free(parser->http.request.path);
+  }
+}
+
+int grpc_http_parser_parse(grpc_http_parser *parser, gpr_slice slice) {
+  size_t i;
+
+  for (i = 0; i < GPR_SLICE_LENGTH(slice); i++) {
+    if (!addbyte(parser, GPR_SLICE_START_PTR(slice)[i])) {
+      return 0;
+    }
+  }
+
+  return 1;
+}
+
+int grpc_http_parser_eof(grpc_http_parser *parser) {
+  return parser->state == GRPC_HTTP_BODY;
+}
diff --git a/src/core/lib/http/parser.h b/src/core/lib/http/parser.h
new file mode 100644
index 0000000000..8bd73f649a
--- /dev/null
+++ b/src/core/lib/http/parser.h
@@ -0,0 +1,116 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_HTTP_PARSER_H
+#define GRPC_CORE_LIB_HTTP_PARSER_H
+
+#include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
+
+/* Maximum length of a header string of the form 'Key: Value\r\n' */
+#define GRPC_HTTP_PARSER_MAX_HEADER_LENGTH 4096
+
+/* A single header to be passed in a request */
+typedef struct grpc_http_header {
+  char *key;
+  char *value;
+} grpc_http_header;
+
+typedef enum {
+  GRPC_HTTP_FIRST_LINE,
+  GRPC_HTTP_HEADERS,
+  GRPC_HTTP_BODY
+} grpc_http_parser_state;
+
+typedef enum {
+  GRPC_HTTP_HTTP10,
+  GRPC_HTTP_HTTP11,
+  GRPC_HTTP_HTTP20,
+} grpc_http_version;
+
+typedef enum {
+  GRPC_HTTP_RESPONSE,
+  GRPC_HTTP_REQUEST,
+  GRPC_HTTP_UNKNOWN
+} grpc_http_type;
+
+/* A request */
+typedef struct grpc_http_request {
+  /* Method of the request (e.g. GET, POST) */
+  char *method;
+  /* The path of the resource to fetch */
+  char *path;
+  /* HTTP version to use */
+  grpc_http_version version;
+  /* Headers attached to the request */
+  size_t hdr_count;
+  grpc_http_header *hdrs;
+  /* Body: length and contents; contents are NOT null-terminated */
+  size_t body_length;
+  char *body;
+} grpc_http_request;
+
+/* A response */
+typedef struct grpc_http_response {
+  /* HTTP status code */
+  int status;
+  /* Headers: count and key/values */
+  size_t hdr_count;
+  grpc_http_header *hdrs;
+  /* Body: length and contents; contents are NOT null-terminated */
+  size_t body_length;
+  char *body;
+} grpc_http_response;
+
+typedef struct {
+  grpc_http_parser_state state;
+  grpc_http_type type;
+
+  union {
+    grpc_http_response response;
+    grpc_http_request request;
+  } http;
+  size_t body_capacity;
+  size_t hdr_capacity;
+
+  uint8_t cur_line[GRPC_HTTP_PARSER_MAX_HEADER_LENGTH];
+  size_t cur_line_length;
+} grpc_http_parser;
+
+void grpc_http_parser_init(grpc_http_parser *parser);
+void grpc_http_parser_destroy(grpc_http_parser *parser);
+
+int grpc_http_parser_parse(grpc_http_parser *parser, gpr_slice slice);
+int grpc_http_parser_eof(grpc_http_parser *parser);
+
+#endif /* GRPC_CORE_LIB_HTTP_PARSER_H */
diff --git a/src/core/iomgr/closure.c b/src/core/lib/iomgr/closure.c
index 3a96f7385f..d6f073fc9d 100644
--- a/src/core/iomgr/closure.c
+++ b/src/core/lib/iomgr/closure.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
 #include <grpc/support/alloc.h>
 
diff --git a/src/core/iomgr/closure.h b/src/core/lib/iomgr/closure.h
index ea96c19c71..8652b53a8b 100644
--- a/src/core/iomgr/closure.h
+++ b/src/core/lib/iomgr/closure.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
-#define GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
+#ifndef GRPC_CORE_LIB_IOMGR_CLOSURE_H
+#define GRPC_CORE_LIB_IOMGR_CLOSURE_H
 
 #include <grpc/support/port_platform.h>
 #include <stdbool.h>
@@ -95,4 +95,4 @@ bool grpc_closure_list_empty(grpc_closure_list list);
 /** return the next pointer for a queued closure list */
 grpc_closure *grpc_closure_next(grpc_closure *closure);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H */
+#endif /* GRPC_CORE_LIB_IOMGR_CLOSURE_H */
diff --git a/src/core/iomgr/endpoint.c b/src/core/lib/iomgr/endpoint.c
index bd64707669..1ab3733d38 100644
--- a/src/core/iomgr/endpoint.c
+++ b/src/core/lib/iomgr/endpoint.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 void grpc_endpoint_read(grpc_exec_ctx* exec_ctx, grpc_endpoint* ep,
                         gpr_slice_buffer* slices, grpc_closure* cb) {
diff --git a/src/core/iomgr/endpoint.h b/src/core/lib/iomgr/endpoint.h
index cbdc947abb..3877ceb1e2 100644
--- a/src/core/iomgr/endpoint.h
+++ b/src/core/lib/iomgr/endpoint.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H
-#define GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H
+#ifndef GRPC_CORE_LIB_IOMGR_ENDPOINT_H
+#define GRPC_CORE_LIB_IOMGR_ENDPOINT_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_set.h"
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
 
 /* An endpoint caps a streaming channel between two communicating processes.
    Examples may be: a tcp socket, <stdin+stdout>, or some shared memory. */
@@ -99,4 +99,4 @@ struct grpc_endpoint {
   const grpc_endpoint_vtable *vtable;
 };
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H */
+#endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_H */
diff --git a/src/core/iomgr/endpoint_pair.h b/src/core/lib/iomgr/endpoint_pair.h
index 095ec5fcc9..5cd78051bd 100644
--- a/src/core/iomgr/endpoint_pair.h
+++ b/src/core/lib/iomgr/endpoint_pair.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H
-#define GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H
+#ifndef GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H
+#define GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 typedef struct {
   grpc_endpoint *client;
@@ -44,4 +44,4 @@ typedef struct {
 grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(const char *name,
                                                    size_t read_slice_size);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H */
diff --git a/src/core/iomgr/endpoint_pair_posix.c b/src/core/lib/iomgr/endpoint_pair_posix.c
index 56f6f146fd..e0ce47c773 100644
--- a/src/core/iomgr/endpoint_pair_posix.c
+++ b/src/core/lib/iomgr/endpoint_pair_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,24 +35,25 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/support/string.h"
 
 static void create_sockets(int sv[2]) {
   int flags;
-  GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
+  grpc_create_socketpair_if_unix(sv);
   flags = fcntl(sv[0], F_GETFL, 0);
   GPR_ASSERT(fcntl(sv[0], F_SETFL, flags | O_NONBLOCK) == 0);
   flags = fcntl(sv[1], F_GETFL, 0);
diff --git a/src/core/iomgr/endpoint_pair_windows.c b/src/core/lib/iomgr/endpoint_pair_windows.c
index db9d092dca..582704e267 100644
--- a/src/core/iomgr/endpoint_pair_windows.c
+++ b/src/core/lib/iomgr/endpoint_pair_windows.c
@@ -34,16 +34,16 @@
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_WINSOCK_SOCKET
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
 
-#include "src/core/iomgr/tcp_windows.h"
-#include "src/core/iomgr/socket_windows.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
 
 static void create_sockets(SOCKET sv[2]) {
   SOCKET svr_sock = INVALID_SOCKET;
diff --git a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
new file mode 100644
index 0000000000..3c8127e1a8
--- /dev/null
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
@@ -0,0 +1,1936 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* This file will be removed shortly: it's here to keep refactoring
+ * steps simple and auditable.
+ * It's the combination of the old files:
+ *  - fd_posix.{h,c}
+ *  - pollset_posix.{h,c}
+ *  - pullset_multipoller_with_{poll,epoll}.{h,c}
+ * The new version will be split into:
+ *  - ev_poll_posix.{h,c}
+ *  - ev_epoll_posix.{h,c}
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_POSIX_SOCKET
+
+#include "src/core/lib/iomgr/ev_poll_and_epoll_posix.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+/*******************************************************************************
+ * FD declarations
+ */
+
+typedef struct grpc_fd_watcher {
+  struct grpc_fd_watcher *next;
+  struct grpc_fd_watcher *prev;
+  grpc_pollset *pollset;
+  grpc_pollset_worker *worker;
+  grpc_fd *fd;
+} grpc_fd_watcher;
+
+struct grpc_fd {
+  int fd;
+  /* refst format:
+     bit0:   1=active/0=orphaned
+     bit1-n: refcount
+     meaning that mostly we ref by two to avoid altering the orphaned bit,
+     and just unref by 1 when we're ready to flag the object as orphaned */
+  gpr_atm refst;
+
+  gpr_mu mu;
+  int shutdown;
+  int closed;
+  int released;
+
+  /* The watcher list.
+
+     The following watcher related fields are protected by watcher_mu.
+
+     An fd_watcher is an ephemeral object created when an fd wants to
+     begin polling, and destroyed after the poll.
+
+     It denotes the fd's interest in whether to read poll or write poll
+     or both or neither on this fd.
+
+     If a watcher is asked to poll for reads or writes, the read_watcher
+     or write_watcher fields are set respectively. A watcher may be asked
+     to poll for both, in which case both fields will be set.
+
+     read_watcher and write_watcher may be NULL if no watcher has been
+     asked to poll for reads or writes.
+
+     If an fd_watcher is not asked to poll for reads or writes, it's added
+     to a linked list of inactive watchers, rooted at inactive_watcher_root.
+     If at a later time there becomes need of a poller to poll, one of
+     the inactive pollers may be kicked out of their poll loops to take
+     that responsibility. */
+  grpc_fd_watcher inactive_watcher_root;
+  grpc_fd_watcher *read_watcher;
+  grpc_fd_watcher *write_watcher;
+
+  grpc_closure *read_closure;
+  grpc_closure *write_closure;
+
+  struct grpc_fd *freelist_next;
+
+  grpc_closure *on_done_closure;
+
+  grpc_iomgr_object iomgr_object;
+};
+
+/* Begin polling on an fd.
+   Registers that the given pollset is interested in this fd - so that if read
+   or writability interest changes, the pollset can be kicked to pick up that
+   new interest.
+   Return value is:
+     (fd_needs_read? read_mask : 0) | (fd_needs_write? write_mask : 0)
+   i.e. a combination of read_mask and write_mask determined by the fd's current
+   interest in said events.
+   Polling strategies that do not need to alter their behavior depending on the
+   fd's current interest (such as epoll) do not need to call this function.
+   MUST NOT be called with a pollset lock taken */
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *rec);
+/* Complete polling previously started with fd_begin_poll
+   MUST NOT be called with a pollset lock taken
+   if got_read or got_write are 1, also does the become_{readable,writable} as
+   appropriate. */
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
+                        int got_read, int got_write);
+
+/* Return 1 if this fd is orphaned, 0 otherwise */
+static bool fd_is_orphaned(grpc_fd *fd);
+
+/* Reference counting for fds */
+/*#define GRPC_FD_REF_COUNT_DEBUG*/
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd, reason, __FILE__, __LINE__)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd, reason, __FILE__, __LINE__)
+#else
+static void fd_ref(grpc_fd *fd);
+static void fd_unref(grpc_fd *fd);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd)
+#endif
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+#define CLOSURE_NOT_READY ((grpc_closure *)0)
+#define CLOSURE_READY ((grpc_closure *)1)
+
+/*******************************************************************************
+ * pollset declarations
+ */
+
+typedef struct grpc_pollset_vtable grpc_pollset_vtable;
+
+typedef struct grpc_cached_wakeup_fd {
+  grpc_wakeup_fd fd;
+  struct grpc_cached_wakeup_fd *next;
+} grpc_cached_wakeup_fd;
+
+struct grpc_pollset_worker {
+  grpc_cached_wakeup_fd *wakeup_fd;
+  int reevaluate_polling_on_wakeup;
+  int kicked_specifically;
+  struct grpc_pollset_worker *next;
+  struct grpc_pollset_worker *prev;
+};
+
+struct grpc_pollset {
+  /* pollsets under posix can mutate representation as fds are added and
+     removed.
+     For example, we may choose a poll() based implementation on linux for
+     few fds, and an epoll() based implementation for many fds */
+  const grpc_pollset_vtable *vtable;
+  gpr_mu mu;
+  grpc_pollset_worker root_worker;
+  int in_flight_cbs;
+  int shutting_down;
+  int called_shutdown;
+  int kicked_without_pollers;
+  grpc_closure *shutdown_done;
+  grpc_closure_list idle_jobs;
+  union {
+    int fd;
+    void *ptr;
+  } data;
+  /* Local cache of eventfds for workers */
+  grpc_cached_wakeup_fd *local_wakeup_cache;
+};
+
+struct grpc_pollset_vtable {
+  void (*add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                 struct grpc_fd *fd, int and_unlock_pollset);
+  void (*maybe_work_and_unlock)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                                grpc_pollset_worker *worker,
+                                gpr_timespec deadline, gpr_timespec now);
+  void (*finish_shutdown)(grpc_pollset *pollset);
+  void (*destroy)(grpc_pollset *pollset);
+};
+
+/* Add an fd to a pollset */
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           struct grpc_fd *fd);
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+/* Convert a timespec to milliseconds:
+   - very small or negative poll times are clamped to zero to do a
+     non-blocking poll (which becomes spin polling)
+   - other small values are rounded up to one millisecond
+   - longer than a millisecond polls are rounded up to the next nearest
+     millisecond to avoid spinning
+   - infinite timeouts are converted to -1 */
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now);
+
+/* Allow kick to wakeup the currently polling worker */
+#define GRPC_POLLSET_CAN_KICK_SELF 1
+/* Force the wakee to repoll when awoken */
+#define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
+/* As per pollset_kick, with an extended set of flags (defined above)
+   -- mostly for fd_posix's use. */
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags);
+
+/* turn a pollset into a multipoller: platform specific */
+typedef void (*platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
+                                                 grpc_pollset *pollset,
+                                                 struct grpc_fd **fds,
+                                                 size_t fd_count);
+static platform_become_multipoller_type platform_become_multipoller;
+
+/* Return 1 if the pollset has active threads in pollset_work (pollset must
+ * be locked) */
+static int pollset_has_workers(grpc_pollset *pollset);
+
+static void remove_fd_from_all_epoll_sets(int fd);
+
+/*******************************************************************************
+ * pollset_set definitions
+ */
+
+struct grpc_pollset_set {
+  gpr_mu mu;
+
+  size_t pollset_count;
+  size_t pollset_capacity;
+  grpc_pollset **pollsets;
+
+  size_t pollset_set_count;
+  size_t pollset_set_capacity;
+  struct grpc_pollset_set **pollset_sets;
+
+  size_t fd_count;
+  size_t fd_capacity;
+  grpc_fd **fds;
+};
+
+/*******************************************************************************
+ * fd_posix.c
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+/* TODO(klempner): We could use some form of polling generation count to know
+ * when these are safe to free. */
+/* TODO(klempner): Consider disabling freelisting if we don't have multiple
+ * threads in poll on the same fd */
+/* TODO(klempner): Batch these allocations to reduce fragmentation */
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+static void freelist_fd(grpc_fd *fd) {
+  gpr_mu_lock(&fd_freelist_mu);
+  fd->freelist_next = fd_freelist;
+  fd_freelist = fd;
+  grpc_iomgr_unregister_object(&fd->iomgr_object);
+  gpr_mu_unlock(&fd_freelist_mu);
+}
+
+static grpc_fd *alloc_fd(int fd) {
+  grpc_fd *r = NULL;
+  gpr_mu_lock(&fd_freelist_mu);
+  if (fd_freelist != NULL) {
+    r = fd_freelist;
+    fd_freelist = fd_freelist->freelist_next;
+  }
+  gpr_mu_unlock(&fd_freelist_mu);
+  if (r == NULL) {
+    r = gpr_malloc(sizeof(grpc_fd));
+    gpr_mu_init(&r->mu);
+  }
+
+  gpr_mu_lock(&r->mu);
+  gpr_atm_rel_store(&r->refst, 1);
+  r->shutdown = 0;
+  r->read_closure = CLOSURE_NOT_READY;
+  r->write_closure = CLOSURE_NOT_READY;
+  r->fd = fd;
+  r->inactive_watcher_root.next = r->inactive_watcher_root.prev =
+      &r->inactive_watcher_root;
+  r->freelist_next = NULL;
+  r->read_watcher = r->write_watcher = NULL;
+  r->on_done_closure = NULL;
+  r->closed = 0;
+  r->released = 0;
+  gpr_mu_unlock(&r->mu);
+  return r;
+}
+
+static void destroy(grpc_fd *fd) {
+  gpr_mu_destroy(&fd->mu);
+  gpr_free(fd);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__)
+static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+                   int line) {
+  gpr_log(GPR_DEBUG, "FD %d %p   ref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
+          gpr_atm_no_barrier_load(&fd->refst),
+          gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
+#else
+#define REF_BY(fd, n, reason) ref_by(fd, n)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n)
+static void ref_by(grpc_fd *fd, int n) {
+#endif
+  GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+                     int line) {
+  gpr_atm old;
+  gpr_log(GPR_DEBUG, "FD %d %p unref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
+          gpr_atm_no_barrier_load(&fd->refst),
+          gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
+#else
+static void unref_by(grpc_fd *fd, int n) {
+  gpr_atm old;
+#endif
+  old = gpr_atm_full_fetch_add(&fd->refst, -n);
+  if (old == n) {
+    freelist_fd(fd);
+  } else {
+    GPR_ASSERT(old > n);
+  }
+}
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+  gpr_mu_lock(&fd_freelist_mu);
+  gpr_mu_unlock(&fd_freelist_mu);
+  while (fd_freelist != NULL) {
+    grpc_fd *fd = fd_freelist;
+    fd_freelist = fd_freelist->freelist_next;
+    destroy(fd);
+  }
+  gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+  grpc_fd *r = alloc_fd(fd);
+  char *name2;
+  gpr_asprintf(&name2, "%s fd=%d", name, fd);
+  grpc_iomgr_register_object(&r->iomgr_object, name2);
+  gpr_free(name2);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+  gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, r, name);
+#endif
+  return r;
+}
+
+static bool fd_is_orphaned(grpc_fd *fd) {
+  return (gpr_atm_acq_load(&fd->refst) & 1) == 0;
+}
+
+static void pollset_kick_locked(grpc_fd_watcher *watcher) {
+  gpr_mu_lock(&watcher->pollset->mu);
+  GPR_ASSERT(watcher->worker);
+  pollset_kick_ext(watcher->pollset, watcher->worker,
+                   GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
+  gpr_mu_unlock(&watcher->pollset->mu);
+}
+
+static void maybe_wake_one_watcher_locked(grpc_fd *fd) {
+  if (fd->inactive_watcher_root.next != &fd->inactive_watcher_root) {
+    pollset_kick_locked(fd->inactive_watcher_root.next);
+  } else if (fd->read_watcher) {
+    pollset_kick_locked(fd->read_watcher);
+  } else if (fd->write_watcher) {
+    pollset_kick_locked(fd->write_watcher);
+  }
+}
+
+static void wake_all_watchers_locked(grpc_fd *fd) {
+  grpc_fd_watcher *watcher;
+  for (watcher = fd->inactive_watcher_root.next;
+       watcher != &fd->inactive_watcher_root; watcher = watcher->next) {
+    pollset_kick_locked(watcher);
+  }
+  if (fd->read_watcher) {
+    pollset_kick_locked(fd->read_watcher);
+  }
+  if (fd->write_watcher && fd->write_watcher != fd->read_watcher) {
+    pollset_kick_locked(fd->write_watcher);
+  }
+}
+
+static int has_watchers(grpc_fd *fd) {
+  return fd->read_watcher != NULL || fd->write_watcher != NULL ||
+         fd->inactive_watcher_root.next != &fd->inactive_watcher_root;
+}
+
+static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  fd->closed = 1;
+  if (!fd->released) {
+    close(fd->fd);
+  } else {
+    remove_fd_from_all_epoll_sets(fd->fd);
+  }
+  grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL);
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+  if (fd->released || fd->closed) {
+    return -1;
+  } else {
+    return fd->fd;
+  }
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                      grpc_closure *on_done, int *release_fd,
+                      const char *reason) {
+  fd->on_done_closure = on_done;
+  fd->released = release_fd != NULL;
+  if (!fd->released) {
+    shutdown(fd->fd, SHUT_RDWR);
+  } else {
+    *release_fd = fd->fd;
+  }
+  gpr_mu_lock(&fd->mu);
+  REF_BY(fd, 1, reason); /* remove active status, but keep referenced */
+  if (!has_watchers(fd)) {
+    close_fd_locked(exec_ctx, fd);
+  } else {
+    wake_all_watchers_locked(fd);
+  }
+  gpr_mu_unlock(&fd->mu);
+  UNREF_BY(fd, 2, reason); /* drop the reference */
+}
+
+/* increment refcount by two to avoid changing the orphan bit */
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file,
+                   int line) {
+  ref_by(fd, 2, reason, file, line);
+}
+
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line) {
+  unref_by(fd, 2, reason, file, line);
+}
+#else
+static void fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
+
+static void fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
+#endif
+
+static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure **st, grpc_closure *closure) {
+  if (*st == CLOSURE_NOT_READY) {
+    /* not ready ==> switch to a waiting state by setting the closure */
+    *st = closure;
+  } else if (*st == CLOSURE_READY) {
+    /* already ready ==> queue the closure to run immediately */
+    *st = CLOSURE_NOT_READY;
+    grpc_exec_ctx_enqueue(exec_ctx, closure, !fd->shutdown, NULL);
+    maybe_wake_one_watcher_locked(fd);
+  } else {
+    /* upcallptr was set to a different closure.  This is an error! */
+    gpr_log(GPR_ERROR,
+            "User called a notify_on function with a previous callback still "
+            "pending");
+    abort();
+  }
+}
+
+/* returns 1 if state becomes not ready */
+static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure **st) {
+  if (*st == CLOSURE_READY) {
+    /* duplicate ready ==> ignore */
+    return 0;
+  } else if (*st == CLOSURE_NOT_READY) {
+    /* not ready, and not waiting ==> flag ready */
+    *st = CLOSURE_READY;
+    return 0;
+  } else {
+    /* waiting ==> queue closure */
+    grpc_exec_ctx_enqueue(exec_ctx, *st, !fd->shutdown, NULL);
+    *st = CLOSURE_NOT_READY;
+    return 1;
+  }
+}
+
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  gpr_mu_lock(&fd->mu);
+  GPR_ASSERT(!fd->shutdown);
+  fd->shutdown = 1;
+  set_ready_locked(exec_ctx, fd, &fd->read_closure);
+  set_ready_locked(exec_ctx, fd, &fd->write_closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                              grpc_closure *closure) {
+  gpr_mu_lock(&fd->mu);
+  notify_on_locked(exec_ctx, fd, &fd->read_closure, closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                               grpc_closure *closure) {
+  gpr_mu_lock(&fd->mu);
+  notify_on_locked(exec_ctx, fd, &fd->write_closure, closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *watcher) {
+  uint32_t mask = 0;
+  grpc_closure *cur;
+  int requested;
+  /* keep track of pollers that have requested our events, in case they change
+   */
+  GRPC_FD_REF(fd, "poll");
+
+  gpr_mu_lock(&fd->mu);
+
+  /* if we are shutdown, then don't add to the watcher set */
+  if (fd->shutdown) {
+    watcher->fd = NULL;
+    watcher->pollset = NULL;
+    watcher->worker = NULL;
+    gpr_mu_unlock(&fd->mu);
+    GRPC_FD_UNREF(fd, "poll");
+    return 0;
+  }
+
+  /* if there is nobody polling for read, but we need to, then start doing so */
+  cur = fd->read_closure;
+  requested = cur != CLOSURE_READY;
+  if (read_mask && fd->read_watcher == NULL && requested) {
+    fd->read_watcher = watcher;
+    mask |= read_mask;
+  }
+  /* if there is nobody polling for write, but we need to, then start doing so
+   */
+  cur = fd->write_closure;
+  requested = cur != CLOSURE_READY;
+  if (write_mask && fd->write_watcher == NULL && requested) {
+    fd->write_watcher = watcher;
+    mask |= write_mask;
+  }
+  /* if not polling, remember this watcher in case we need someone to later */
+  if (mask == 0 && worker != NULL) {
+    watcher->next = &fd->inactive_watcher_root;
+    watcher->prev = watcher->next->prev;
+    watcher->next->prev = watcher->prev->next = watcher;
+  }
+  watcher->pollset = pollset;
+  watcher->worker = worker;
+  watcher->fd = fd;
+  gpr_mu_unlock(&fd->mu);
+
+  return mask;
+}
+
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
+                        int got_read, int got_write) {
+  int was_polling = 0;
+  int kick = 0;
+  grpc_fd *fd = watcher->fd;
+
+  if (fd == NULL) {
+    return;
+  }
+
+  gpr_mu_lock(&fd->mu);
+
+  if (watcher == fd->read_watcher) {
+    /* remove read watcher, kick if we still need a read */
+    was_polling = 1;
+    if (!got_read) {
+      kick = 1;
+    }
+    fd->read_watcher = NULL;
+  }
+  if (watcher == fd->write_watcher) {
+    /* remove write watcher, kick if we still need a write */
+    was_polling = 1;
+    if (!got_write) {
+      kick = 1;
+    }
+    fd->write_watcher = NULL;
+  }
+  if (!was_polling && watcher->worker != NULL) {
+    /* remove from inactive list */
+    watcher->next->prev = watcher->prev;
+    watcher->prev->next = watcher->next;
+  }
+  if (got_read) {
+    if (set_ready_locked(exec_ctx, fd, &fd->read_closure)) {
+      kick = 1;
+    }
+  }
+  if (got_write) {
+    if (set_ready_locked(exec_ctx, fd, &fd->write_closure)) {
+      kick = 1;
+    }
+  }
+  if (kick) {
+    maybe_wake_one_watcher_locked(fd);
+  }
+  if (fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
+    close_fd_locked(exec_ctx, fd);
+  }
+  gpr_mu_unlock(&fd->mu);
+
+  GRPC_FD_UNREF(fd, "poll");
+}
+
+/*******************************************************************************
+ * pollset_posix.c
+ */
+
+GPR_TLS_DECL(g_current_thread_poller);
+GPR_TLS_DECL(g_current_thread_worker);
+
+/** The alarm system needs to be able to wakeup 'some poller' sometimes
+ *  (specifically when a new alarm needs to be triggered earlier than the next
+ *  alarm 'epoch').
+ *  This wakeup_fd gives us something to alert on when such a case occurs. */
+grpc_wakeup_fd grpc_global_wakeup_fd;
+
+static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->prev->next = worker->next;
+  worker->next->prev = worker->prev;
+}
+
+static int pollset_has_workers(grpc_pollset *p) {
+  return p->root_worker.next != &p->root_worker;
+}
+
+static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
+  if (pollset_has_workers(p)) {
+    grpc_pollset_worker *w = p->root_worker.next;
+    remove_worker(p, w);
+    return w;
+  } else {
+    return NULL;
+  }
+}
+
+static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->next = &p->root_worker;
+  worker->prev = worker->next->prev;
+  worker->prev->next = worker->next->prev = worker;
+}
+
+static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->prev = &p->root_worker;
+  worker->next = worker->prev->next;
+  worker->prev->next = worker->next->prev = worker;
+}
+
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags) {
+  GPR_TIMER_BEGIN("pollset_kick_ext", 0);
+
+  /* pollset->mu already held */
+  if (specific_worker != NULL) {
+    if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
+      GPR_TIMER_BEGIN("pollset_kick_ext.broadcast", 0);
+      GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
+      for (specific_worker = p->root_worker.next;
+           specific_worker != &p->root_worker;
+           specific_worker = specific_worker->next) {
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+      }
+      p->kicked_without_pollers = 1;
+      GPR_TIMER_END("pollset_kick_ext.broadcast", 0);
+    } else if (gpr_tls_get(&g_current_thread_worker) !=
+               (intptr_t)specific_worker) {
+      GPR_TIMER_MARK("different_thread_worker", 0);
+      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
+        specific_worker->reevaluate_polling_on_wakeup = 1;
+      }
+      specific_worker->kicked_specifically = 1;
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+    } else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
+      GPR_TIMER_MARK("kick_yoself", 0);
+      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
+        specific_worker->reevaluate_polling_on_wakeup = 1;
+      }
+      specific_worker->kicked_specifically = 1;
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+    }
+  } else if (gpr_tls_get(&g_current_thread_poller) != (intptr_t)p) {
+    GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
+    GPR_TIMER_MARK("kick_anonymous", 0);
+    specific_worker = pop_front_worker(p);
+    if (specific_worker != NULL) {
+      if (gpr_tls_get(&g_current_thread_worker) == (intptr_t)specific_worker) {
+        GPR_TIMER_MARK("kick_anonymous_not_self", 0);
+        push_back_worker(p, specific_worker);
+        specific_worker = pop_front_worker(p);
+        if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 &&
+            gpr_tls_get(&g_current_thread_worker) ==
+                (intptr_t)specific_worker) {
+          push_back_worker(p, specific_worker);
+          specific_worker = NULL;
+        }
+      }
+      if (specific_worker != NULL) {
+        GPR_TIMER_MARK("finally_kick", 0);
+        push_back_worker(p, specific_worker);
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+      }
+    } else {
+      GPR_TIMER_MARK("kicked_no_pollers", 0);
+      p->kicked_without_pollers = 1;
+    }
+  }
+
+  GPR_TIMER_END("pollset_kick_ext", 0);
+}
+
+static void pollset_kick(grpc_pollset *p,
+                         grpc_pollset_worker *specific_worker) {
+  pollset_kick_ext(p, specific_worker, 0);
+}
+
+/* global state management */
+
+static void pollset_global_init(void) {
+  gpr_tls_init(&g_current_thread_poller);
+  gpr_tls_init(&g_current_thread_worker);
+  grpc_wakeup_fd_global_init();
+  grpc_wakeup_fd_init(&grpc_global_wakeup_fd);
+}
+
+static void pollset_global_shutdown(void) {
+  grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
+  gpr_tls_destroy(&g_current_thread_poller);
+  gpr_tls_destroy(&g_current_thread_worker);
+  grpc_wakeup_fd_global_destroy();
+}
+
+static void kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
+
+/* main interface */
+
+static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null);
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+  gpr_mu_init(&pollset->mu);
+  *mu = &pollset->mu;
+  pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
+  pollset->in_flight_cbs = 0;
+  pollset->shutting_down = 0;
+  pollset->called_shutdown = 0;
+  pollset->kicked_without_pollers = 0;
+  pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL;
+  pollset->local_wakeup_cache = NULL;
+  pollset->kicked_without_pollers = 0;
+  become_basic_pollset(pollset, NULL);
+}
+
+static void pollset_destroy(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  while (pollset->local_wakeup_cache) {
+    grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next;
+    grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd);
+    gpr_free(pollset->local_wakeup_cache);
+    pollset->local_wakeup_cache = next;
+  }
+  gpr_mu_destroy(&pollset->mu);
+}
+
+static void pollset_reset(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->shutting_down);
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  pollset->shutting_down = 0;
+  pollset->called_shutdown = 0;
+  pollset->kicked_without_pollers = 0;
+  become_basic_pollset(pollset, NULL);
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_fd *fd) {
+  gpr_mu_lock(&pollset->mu);
+  pollset->vtable->add_fd(exec_ctx, pollset, fd, 1);
+/* the following (enabled only in debug) will reacquire and then release
+   our lock - meaning that if the unlocking flag passed to add_fd above is
+   not respected, the code will deadlock (in a way that we have a chance of
+   debugging) */
+#ifndef NDEBUG
+  gpr_mu_lock(&pollset->mu);
+  gpr_mu_unlock(&pollset->mu);
+#endif
+}
+
+static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+  GPR_ASSERT(grpc_closure_list_empty(pollset->idle_jobs));
+  pollset->vtable->finish_shutdown(pollset);
+  grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL);
+}
+
+static void pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         grpc_pollset_worker **worker_hdl, gpr_timespec now,
+                         gpr_timespec deadline) {
+  grpc_pollset_worker worker;
+  *worker_hdl = &worker;
+
+  /* pollset->mu already held */
+  int added_worker = 0;
+  int locked = 1;
+  int queued_work = 0;
+  int keep_polling = 0;
+  GPR_TIMER_BEGIN("pollset_work", 0);
+  /* this must happen before we (potentially) drop pollset->mu */
+  worker.next = worker.prev = NULL;
+  worker.reevaluate_polling_on_wakeup = 0;
+  if (pollset->local_wakeup_cache != NULL) {
+    worker.wakeup_fd = pollset->local_wakeup_cache;
+    pollset->local_wakeup_cache = worker.wakeup_fd->next;
+  } else {
+    worker.wakeup_fd = gpr_malloc(sizeof(*worker.wakeup_fd));
+    grpc_wakeup_fd_init(&worker.wakeup_fd->fd);
+  }
+  worker.kicked_specifically = 0;
+  /* If there's work waiting for the pollset to be idle, and the
+     pollset is idle, then do that work */
+  if (!pollset_has_workers(pollset) &&
+      !grpc_closure_list_empty(pollset->idle_jobs)) {
+    GPR_TIMER_MARK("pollset_work.idle_jobs", 0);
+    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+    goto done;
+  }
+  /* If we're shutting down then we don't execute any extended work */
+  if (pollset->shutting_down) {
+    GPR_TIMER_MARK("pollset_work.shutting_down", 0);
+    goto done;
+  }
+  /* Give do_promote priority so we don't starve it out */
+  if (pollset->in_flight_cbs) {
+    GPR_TIMER_MARK("pollset_work.in_flight_cbs", 0);
+    gpr_mu_unlock(&pollset->mu);
+    locked = 0;
+    goto done;
+  }
+  /* Start polling, and keep doing so while we're being asked to
+     re-evaluate our pollers (this allows poll() based pollers to
+     ensure they don't miss wakeups) */
+  keep_polling = 1;
+  while (keep_polling) {
+    keep_polling = 0;
+    if (!pollset->kicked_without_pollers) {
+      if (!added_worker) {
+        push_front_worker(pollset, &worker);
+        added_worker = 1;
+        gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+      }
+      gpr_tls_set(&g_current_thread_poller, (intptr_t)pollset);
+      GPR_TIMER_BEGIN("maybe_work_and_unlock", 0);
+      pollset->vtable->maybe_work_and_unlock(exec_ctx, pollset, &worker,
+                                             deadline, now);
+      GPR_TIMER_END("maybe_work_and_unlock", 0);
+      locked = 0;
+      gpr_tls_set(&g_current_thread_poller, 0);
+    } else {
+      GPR_TIMER_MARK("pollset_work.kicked_without_pollers", 0);
+      pollset->kicked_without_pollers = 0;
+    }
+  /* Finished execution - start cleaning up.
+     Note that we may arrive here from outside the enclosing while() loop.
+     In that case we won't loop though as we haven't added worker to the
+     worker list, which means nobody could ask us to re-evaluate polling). */
+  done:
+    if (!locked) {
+      queued_work |= grpc_exec_ctx_flush(exec_ctx);
+      gpr_mu_lock(&pollset->mu);
+      locked = 1;
+    }
+    /* If we're forced to re-evaluate polling (via pollset_kick with
+       GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force
+       a loop */
+    if (worker.reevaluate_polling_on_wakeup) {
+      worker.reevaluate_polling_on_wakeup = 0;
+      pollset->kicked_without_pollers = 0;
+      if (queued_work || worker.kicked_specifically) {
+        /* If there's queued work on the list, then set the deadline to be
+           immediate so we get back out of the polling loop quickly */
+        deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
+      }
+      keep_polling = 1;
+    }
+  }
+  if (added_worker) {
+    remove_worker(pollset, &worker);
+    gpr_tls_set(&g_current_thread_worker, 0);
+  }
+  /* release wakeup fd to the local pool */
+  worker.wakeup_fd->next = pollset->local_wakeup_cache;
+  pollset->local_wakeup_cache = worker.wakeup_fd;
+  /* check shutdown conditions */
+  if (pollset->shutting_down) {
+    if (pollset_has_workers(pollset)) {
+      pollset_kick(pollset, NULL);
+    } else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) {
+      pollset->called_shutdown = 1;
+      gpr_mu_unlock(&pollset->mu);
+      finish_shutdown(exec_ctx, pollset);
+      grpc_exec_ctx_flush(exec_ctx);
+      /* Continuing to access pollset here is safe -- it is the caller's
+       * responsibility to not destroy when it has outstanding calls to
+       * pollset_work.
+       * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
+      gpr_mu_lock(&pollset->mu);
+    } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
+      grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+      gpr_mu_unlock(&pollset->mu);
+      grpc_exec_ctx_flush(exec_ctx);
+      gpr_mu_lock(&pollset->mu);
+    }
+  }
+  *worker_hdl = NULL;
+  GPR_TIMER_END("pollset_work", 0);
+}
+
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                             grpc_closure *closure) {
+  GPR_ASSERT(!pollset->shutting_down);
+  pollset->shutting_down = 1;
+  pollset->shutdown_done = closure;
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+  if (!pollset_has_workers(pollset)) {
+    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+  }
+  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
+      !pollset_has_workers(pollset)) {
+    pollset->called_shutdown = 1;
+    finish_shutdown(exec_ctx, pollset);
+  }
+}
+
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now) {
+  gpr_timespec timeout;
+  static const int64_t max_spin_polling_us = 10;
+  if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+    return -1;
+  }
+  if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros(
+                                                   max_spin_polling_us,
+                                                   GPR_TIMESPAN))) <= 0) {
+    return 0;
+  }
+  timeout = gpr_time_sub(deadline, now);
+  return gpr_time_to_millis(gpr_time_add(
+      timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
+}
+
+/*
+ * basic_pollset - a vtable that provides polling for zero or one file
+ *                 descriptor via poll()
+ */
+
+typedef struct grpc_unary_promote_args {
+  const grpc_pollset_vtable *original_vtable;
+  grpc_pollset *pollset;
+  grpc_fd *fd;
+  grpc_closure promotion_closure;
+} grpc_unary_promote_args;
+
+static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
+                             bool success) {
+  grpc_unary_promote_args *up_args = args;
+  const grpc_pollset_vtable *original_vtable = up_args->original_vtable;
+  grpc_pollset *pollset = up_args->pollset;
+  grpc_fd *fd = up_args->fd;
+
+  /*
+   * This is quite tricky. There are a number of cases to keep in mind here:
+   * 1. fd may have been orphaned
+   * 2. The pollset may no longer be a unary poller (and we can't let case #1
+   * leak to other pollset types!)
+   * 3. pollset's fd (which may have changed) may have been orphaned
+   * 4. The pollset may be shutting down.
+   */
+
+  gpr_mu_lock(&pollset->mu);
+  /* First we need to ensure that nobody is polling concurrently */
+  GPR_ASSERT(!pollset_has_workers(pollset));
+
+  gpr_free(up_args);
+  /* At this point the pollset may no longer be a unary poller. In that case
+   * we should just call the right add function and be done. */
+  /* TODO(klempner): If we're not careful this could cause infinite recursion.
+   * That's not a problem for now because empty_pollset has a trivial poller
+   * and we don't have any mechanism to unbecome multipoller. */
+  pollset->in_flight_cbs--;
+  if (pollset->shutting_down) {
+    /* We don't care about this pollset anymore. */
+    if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) {
+      pollset->called_shutdown = 1;
+      finish_shutdown(exec_ctx, pollset);
+    }
+  } else if (fd_is_orphaned(fd)) {
+    /* Don't try to add it to anything, we'll drop our ref on it below */
+  } else if (pollset->vtable != original_vtable) {
+    pollset->vtable->add_fd(exec_ctx, pollset, fd, 0);
+  } else if (fd != pollset->data.ptr) {
+    grpc_fd *fds[2];
+    fds[0] = pollset->data.ptr;
+    fds[1] = fd;
+
+    if (fds[0] && !fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+    } else {
+      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
+       * unary poller */
+      /* Note that it is possible that fds[1] is also orphaned at this point.
+       * That's okay, we'll correct it at the next add or poll. */
+      if (fds[0]) GRPC_FD_UNREF(fds[0], "basicpoll");
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    }
+  }
+
+  gpr_mu_unlock(&pollset->mu);
+
+  /* Matching ref in basic_pollset_add_fd */
+  GRPC_FD_UNREF(fd, "basicpoll_add");
+}
+
+static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                                 grpc_fd *fd, int and_unlock_pollset) {
+  grpc_unary_promote_args *up_args;
+  GPR_ASSERT(fd);
+  if (fd == pollset->data.ptr) goto exit;
+
+  if (!pollset_has_workers(pollset)) {
+    /* Fast path -- no in flight cbs */
+    /* TODO(klempner): Comment this out and fix any test failures or establish
+     * they are due to timing issues */
+    grpc_fd *fds[2];
+    fds[0] = pollset->data.ptr;
+    fds[1] = fd;
+
+    if (fds[0] == NULL) {
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    } else if (!fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+    } else {
+      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
+       * unary poller */
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    }
+    goto exit;
+  }
+
+  /* Now we need to promote. This needs to happen when we're not polling. Since
+   * this may be called from poll, the wait needs to happen asynchronously. */
+  GRPC_FD_REF(fd, "basicpoll_add");
+  pollset->in_flight_cbs++;
+  up_args = gpr_malloc(sizeof(*up_args));
+  up_args->fd = fd;
+  up_args->original_vtable = pollset->vtable;
+  up_args->pollset = pollset;
+  up_args->promotion_closure.cb = basic_do_promote;
+  up_args->promotion_closure.cb_arg = up_args;
+
+  grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1);
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+
+exit:
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+  }
+}
+
+static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
+                                                grpc_pollset *pollset,
+                                                grpc_pollset_worker *worker,
+                                                gpr_timespec deadline,
+                                                gpr_timespec now) {
+#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
+#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
+
+  struct pollfd pfd[3];
+  grpc_fd *fd;
+  grpc_fd_watcher fd_watcher;
+  int timeout;
+  int r;
+  nfds_t nfds;
+
+  fd = pollset->data.ptr;
+  if (fd && fd_is_orphaned(fd)) {
+    GRPC_FD_UNREF(fd, "basicpoll");
+    fd = pollset->data.ptr = NULL;
+  }
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
+  pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
+  pfd[0].events = POLLIN;
+  pfd[0].revents = 0;
+  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfd[1].events = POLLIN;
+  pfd[1].revents = 0;
+  nfds = 2;
+  if (fd) {
+    pfd[2].fd = fd->fd;
+    pfd[2].revents = 0;
+    GRPC_FD_REF(fd, "basicpoll_begin");
+    gpr_mu_unlock(&pollset->mu);
+    pfd[2].events =
+        (short)fd_begin_poll(fd, pollset, worker, POLLIN, POLLOUT, &fd_watcher);
+    if (pfd[2].events != 0) {
+      nfds++;
+    }
+  } else {
+    gpr_mu_unlock(&pollset->mu);
+  }
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  /* poll fd count (argument 2) is shortened by one if we have no events
+     to poll on - such that it only includes the kicker */
+  GPR_TIMER_BEGIN("poll", 0);
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  r = grpc_poll_function(pfd, nfds, timeout);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+  GPR_TIMER_END("poll", 0);
+
+  if (r < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+    if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  } else if (r == 0) {
+    if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  } else {
+    if (pfd[0].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+    }
+    if (pfd[1].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    if (nfds > 2) {
+      fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
+                  pfd[2].revents & POLLOUT_CHECK);
+    } else if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  }
+
+  if (fd) {
+    GRPC_FD_UNREF(fd, "basicpoll_begin");
+  }
+}
+
+static void basic_pollset_destroy(grpc_pollset *pollset) {
+  if (pollset->data.ptr != NULL) {
+    GRPC_FD_UNREF(pollset->data.ptr, "basicpoll");
+    pollset->data.ptr = NULL;
+  }
+}
+
+static const grpc_pollset_vtable basic_pollset = {
+    basic_pollset_add_fd, basic_pollset_maybe_work_and_unlock,
+    basic_pollset_destroy, basic_pollset_destroy};
+
+static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) {
+  pollset->vtable = &basic_pollset;
+  pollset->data.ptr = fd_or_null;
+  if (fd_or_null != NULL) {
+    GRPC_FD_REF(fd_or_null, "basicpoll");
+  }
+}
+
+/*******************************************************************************
+ * pollset_multipoller_with_poll_posix.c
+ */
+
+#ifndef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+
+typedef struct {
+  /* all polled fds */
+  size_t fd_count;
+  size_t fd_capacity;
+  grpc_fd **fds;
+  /* fds that have been removed from the pollset explicitly */
+  size_t del_count;
+  size_t del_capacity;
+  grpc_fd **dels;
+} poll_hdr;
+
+static void multipoll_with_poll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
+                                               grpc_pollset *pollset,
+                                               grpc_fd *fd,
+                                               int and_unlock_pollset) {
+  size_t i;
+  poll_hdr *h = pollset->data.ptr;
+  /* TODO(ctiller): this is O(num_fds^2); maybe switch to a hash set here */
+  for (i = 0; i < h->fd_count; i++) {
+    if (h->fds[i] == fd) goto exit;
+  }
+  if (h->fd_count == h->fd_capacity) {
+    h->fd_capacity = GPR_MAX(h->fd_capacity + 8, h->fd_count * 3 / 2);
+    h->fds = gpr_realloc(h->fds, sizeof(grpc_fd *) * h->fd_capacity);
+  }
+  h->fds[h->fd_count++] = fd;
+  GRPC_FD_REF(fd, "multipoller");
+exit:
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+  }
+}
+
+static void multipoll_with_poll_pollset_maybe_work_and_unlock(
+    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
+    gpr_timespec deadline, gpr_timespec now) {
+#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
+#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
+
+  int timeout;
+  int r;
+  size_t i, j, fd_count;
+  nfds_t pfd_count;
+  poll_hdr *h;
+  /* TODO(ctiller): inline some elements to avoid an allocation */
+  grpc_fd_watcher *watchers;
+  struct pollfd *pfds;
+
+  h = pollset->data.ptr;
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
+  /* TODO(ctiller): perform just one malloc here if we exceed the inline case */
+  pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2));
+  watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2));
+  fd_count = 0;
+  pfd_count = 2;
+  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
+  pfds[0].events = POLLIN;
+  pfds[0].revents = 0;
+  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfds[1].events = POLLIN;
+  pfds[1].revents = 0;
+  for (i = 0; i < h->fd_count; i++) {
+    int remove = fd_is_orphaned(h->fds[i]);
+    for (j = 0; !remove && j < h->del_count; j++) {
+      if (h->fds[i] == h->dels[j]) remove = 1;
+    }
+    if (remove) {
+      GRPC_FD_UNREF(h->fds[i], "multipoller");
+    } else {
+      h->fds[fd_count++] = h->fds[i];
+      watchers[pfd_count].fd = h->fds[i];
+      GRPC_FD_REF(watchers[pfd_count].fd, "multipoller_start");
+      pfds[pfd_count].fd = h->fds[i]->fd;
+      pfds[pfd_count].revents = 0;
+      pfd_count++;
+    }
+  }
+  for (j = 0; j < h->del_count; j++) {
+    GRPC_FD_UNREF(h->dels[j], "multipoller_del");
+  }
+  h->del_count = 0;
+  h->fd_count = fd_count;
+  gpr_mu_unlock(&pollset->mu);
+
+  for (i = 2; i < pfd_count; i++) {
+    grpc_fd *fd = watchers[i].fd;
+    pfds[i].events = (short)fd_begin_poll(fd, pollset, worker, POLLIN, POLLOUT,
+                                          &watchers[i]);
+    GRPC_FD_UNREF(fd, "multipoller_start");
+  }
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  r = grpc_poll_function(pfds, pfd_count, timeout);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+
+  if (r < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+    for (i = 2; i < pfd_count; i++) {
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+    }
+  } else if (r == 0) {
+    for (i = 2; i < pfd_count; i++) {
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+    }
+  } else {
+    if (pfds[0].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+    }
+    if (pfds[1].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    for (i = 2; i < pfd_count; i++) {
+      if (watchers[i].fd == NULL) {
+        fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+        continue;
+      }
+      fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
+                  pfds[i].revents & POLLOUT_CHECK);
+    }
+  }
+
+  gpr_free(pfds);
+  gpr_free(watchers);
+}
+
+static void multipoll_with_poll_pollset_finish_shutdown(grpc_pollset *pollset) {
+  size_t i;
+  poll_hdr *h = pollset->data.ptr;
+  for (i = 0; i < h->fd_count; i++) {
+    GRPC_FD_UNREF(h->fds[i], "multipoller");
+  }
+  for (i = 0; i < h->del_count; i++) {
+    GRPC_FD_UNREF(h->dels[i], "multipoller_del");
+  }
+  h->fd_count = 0;
+  h->del_count = 0;
+}
+
+static void multipoll_with_poll_pollset_destroy(grpc_pollset *pollset) {
+  poll_hdr *h = pollset->data.ptr;
+  multipoll_with_poll_pollset_finish_shutdown(pollset);
+  gpr_free(h->fds);
+  gpr_free(h->dels);
+  gpr_free(h);
+}
+
+static const grpc_pollset_vtable multipoll_with_poll_pollset = {
+    multipoll_with_poll_pollset_add_fd,
+    multipoll_with_poll_pollset_maybe_work_and_unlock,
+    multipoll_with_poll_pollset_finish_shutdown,
+    multipoll_with_poll_pollset_destroy};
+
+static void poll_become_multipoller(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset *pollset, grpc_fd **fds,
+                                    size_t nfds) {
+  size_t i;
+  poll_hdr *h = gpr_malloc(sizeof(poll_hdr));
+  pollset->vtable = &multipoll_with_poll_pollset;
+  pollset->data.ptr = h;
+  h->fd_count = nfds;
+  h->fd_capacity = nfds;
+  h->fds = gpr_malloc(nfds * sizeof(grpc_fd *));
+  h->del_count = 0;
+  h->del_capacity = 0;
+  h->dels = NULL;
+  for (i = 0; i < nfds; i++) {
+    h->fds[i] = fds[i];
+    GRPC_FD_REF(fds[i], "multipoller");
+  }
+}
+
+#endif /* !GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+/*******************************************************************************
+ * pollset_multipoller_with_epoll_posix.c
+ */
+
+#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+
+#include <errno.h>
+#include <poll.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) {
+  /* only one set_ready can be active at once (but there may be a racing
+     notify_on) */
+  gpr_mu_lock(&fd->mu);
+  set_ready_locked(exec_ctx, fd, st);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  set_ready(exec_ctx, fd, &fd->read_closure);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  set_ready(exec_ctx, fd, &fd->write_closure);
+}
+
+struct epoll_fd_list {
+  int *epoll_fds;
+  size_t count;
+  size_t capacity;
+};
+
+static struct epoll_fd_list epoll_fd_global_list;
+static gpr_once init_epoll_fd_list_mu = GPR_ONCE_INIT;
+static gpr_mu epoll_fd_list_mu;
+
+static void init_mu(void) { gpr_mu_init(&epoll_fd_list_mu); }
+
+static void add_epoll_fd_to_global_list(int epoll_fd) {
+  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
+
+  gpr_mu_lock(&epoll_fd_list_mu);
+  if (epoll_fd_global_list.count == epoll_fd_global_list.capacity) {
+    epoll_fd_global_list.capacity =
+        GPR_MAX((size_t)8, epoll_fd_global_list.capacity * 2);
+    epoll_fd_global_list.epoll_fds =
+        gpr_realloc(epoll_fd_global_list.epoll_fds,
+                    epoll_fd_global_list.capacity * sizeof(int));
+  }
+  epoll_fd_global_list.epoll_fds[epoll_fd_global_list.count++] = epoll_fd;
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+static void remove_epoll_fd_from_global_list(int epoll_fd) {
+  gpr_mu_lock(&epoll_fd_list_mu);
+  GPR_ASSERT(epoll_fd_global_list.count > 0);
+  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
+    if (epoll_fd == epoll_fd_global_list.epoll_fds[i]) {
+      epoll_fd_global_list.epoll_fds[i] =
+          epoll_fd_global_list.epoll_fds[--(epoll_fd_global_list.count)];
+      break;
+    }
+  }
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+static void remove_fd_from_all_epoll_sets(int fd) {
+  int err;
+  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
+  gpr_mu_lock(&epoll_fd_list_mu);
+  if (epoll_fd_global_list.count == 0) {
+    gpr_mu_unlock(&epoll_fd_list_mu);
+    return;
+  }
+  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
+    err = epoll_ctl(epoll_fd_global_list.epoll_fds[i], EPOLL_CTL_DEL, fd, NULL);
+    if (err < 0 && errno != ENOENT) {
+      gpr_log(GPR_ERROR, "epoll_ctl del for %d failed: %s", fd,
+              strerror(errno));
+    }
+  }
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+typedef struct {
+  grpc_pollset *pollset;
+  grpc_fd *fd;
+  grpc_closure closure;
+} delayed_add;
+
+typedef struct { int epoll_fd; } epoll_hdr;
+
+static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_fd *fd) {
+  epoll_hdr *h = pollset->data.ptr;
+  struct epoll_event ev;
+  int err;
+  grpc_fd_watcher watcher;
+
+  /* We pretend to be polling whilst adding an fd to keep the fd from being
+     closed during the add. This may result in a spurious wakeup being assigned
+     to this pollset whilst adding, but that should be benign. */
+  GPR_ASSERT(fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
+  if (watcher.fd != NULL) {
+    ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
+    ev.data.ptr = fd;
+    err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev);
+    if (err < 0) {
+      /* FDs may be added to a pollset multiple times, so EEXIST is normal. */
+      if (errno != EEXIST) {
+        gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", fd->fd,
+                strerror(errno));
+      }
+    }
+  }
+  fd_end_poll(exec_ctx, &watcher, 0, 0);
+}
+
+static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg,
+                                bool iomgr_status) {
+  delayed_add *da = arg;
+
+  if (!fd_is_orphaned(da->fd)) {
+    finally_add_fd(exec_ctx, da->pollset, da->fd);
+  }
+
+  gpr_mu_lock(&da->pollset->mu);
+  da->pollset->in_flight_cbs--;
+  if (da->pollset->shutting_down) {
+    /* We don't care about this pollset anymore. */
+    if (da->pollset->in_flight_cbs == 0 && !da->pollset->called_shutdown) {
+      da->pollset->called_shutdown = 1;
+      grpc_exec_ctx_enqueue(exec_ctx, da->pollset->shutdown_done, true, NULL);
+    }
+  }
+  gpr_mu_unlock(&da->pollset->mu);
+
+  GRPC_FD_UNREF(da->fd, "delayed_add");
+
+  gpr_free(da);
+}
+
+static void multipoll_with_epoll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
+                                                grpc_pollset *pollset,
+                                                grpc_fd *fd,
+                                                int and_unlock_pollset) {
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+    finally_add_fd(exec_ctx, pollset, fd);
+  } else {
+    delayed_add *da = gpr_malloc(sizeof(*da));
+    da->pollset = pollset;
+    da->fd = fd;
+    GRPC_FD_REF(fd, "delayed_add");
+    grpc_closure_init(&da->closure, perform_delayed_add, da);
+    pollset->in_flight_cbs++;
+    grpc_exec_ctx_enqueue(exec_ctx, &da->closure, true, NULL);
+  }
+}
+
+/* TODO(klempner): We probably want to turn this down a bit */
+#define GRPC_EPOLL_MAX_EVENTS 1000
+
+static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
+    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
+    gpr_timespec deadline, gpr_timespec now) {
+  struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
+  int ep_rv;
+  int poll_rv;
+  epoll_hdr *h = pollset->data.ptr;
+  int timeout_ms;
+  struct pollfd pfds[2];
+
+  /* If you want to ignore epoll's ability to sanely handle parallel pollers,
+   * for a more apples-to-apples performance comparison with poll, add a
+   * if (pollset->counter != 0) { return 0; }
+   * here.
+   */
+
+  gpr_mu_unlock(&pollset->mu);
+
+  timeout_ms = poll_deadline_to_millis_timeout(deadline, now);
+
+  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfds[0].events = POLLIN;
+  pfds[0].revents = 0;
+  pfds[1].fd = h->epoll_fd;
+  pfds[1].events = POLLIN;
+  pfds[1].revents = 0;
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  GPR_TIMER_BEGIN("poll", 0);
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  poll_rv = grpc_poll_function(pfds, 2, timeout_ms);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+  GPR_TIMER_END("poll", 0);
+
+  if (poll_rv < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+  } else if (poll_rv == 0) {
+    /* do nothing */
+  } else {
+    if (pfds[0].revents) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    if (pfds[1].revents) {
+      do {
+        /* The following epoll_wait never blocks; it has a timeout of 0 */
+        ep_rv = epoll_wait(h->epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0);
+        if (ep_rv < 0) {
+          if (errno != EINTR) {
+            gpr_log(GPR_ERROR, "epoll_wait() failed: %s", strerror(errno));
+          }
+        } else {
+          int i;
+          for (i = 0; i < ep_rv; ++i) {
+            grpc_fd *fd = ep_ev[i].data.ptr;
+            /* TODO(klempner): We might want to consider making err and pri
+             * separate events */
+            int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
+            int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
+            int write_ev = ep_ev[i].events & EPOLLOUT;
+            if (fd == NULL) {
+              grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+            } else {
+              if (read_ev || cancel) {
+                fd_become_readable(exec_ctx, fd);
+              }
+              if (write_ev || cancel) {
+                fd_become_writable(exec_ctx, fd);
+              }
+            }
+          }
+        }
+      } while (ep_rv == GRPC_EPOLL_MAX_EVENTS);
+    }
+  }
+}
+
+static void multipoll_with_epoll_pollset_finish_shutdown(
+    grpc_pollset *pollset) {}
+
+static void multipoll_with_epoll_pollset_destroy(grpc_pollset *pollset) {
+  epoll_hdr *h = pollset->data.ptr;
+  close(h->epoll_fd);
+  remove_epoll_fd_from_global_list(h->epoll_fd);
+  gpr_free(h);
+}
+
+static const grpc_pollset_vtable multipoll_with_epoll_pollset = {
+    multipoll_with_epoll_pollset_add_fd,
+    multipoll_with_epoll_pollset_maybe_work_and_unlock,
+    multipoll_with_epoll_pollset_finish_shutdown,
+    multipoll_with_epoll_pollset_destroy};
+
+static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx,
+                                     grpc_pollset *pollset, grpc_fd **fds,
+                                     size_t nfds) {
+  size_t i;
+  epoll_hdr *h = gpr_malloc(sizeof(epoll_hdr));
+  struct epoll_event ev;
+  int err;
+
+  pollset->vtable = &multipoll_with_epoll_pollset;
+  pollset->data.ptr = h;
+  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+  if (h->epoll_fd < 0) {
+    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
+    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
+    abort();
+  }
+  add_epoll_fd_to_global_list(h->epoll_fd);
+
+  ev.events = (uint32_t)(EPOLLIN | EPOLLET);
+  ev.data.ptr = NULL;
+  err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD,
+                  GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), &ev);
+  if (err < 0) {
+    gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s",
+            GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd),
+            strerror(errno));
+  }
+
+  for (i = 0; i < nfds; i++) {
+    multipoll_with_epoll_pollset_add_fd(exec_ctx, pollset, fds[i], 0);
+  }
+}
+
+#else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+static void remove_fd_from_all_epoll_sets(int fd) {}
+
+#endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+/*******************************************************************************
+ * pollset_set_posix.c
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+  grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set));
+  memset(pollset_set, 0, sizeof(*pollset_set));
+  gpr_mu_init(&pollset_set->mu);
+  return pollset_set;
+}
+
+static void pollset_set_destroy(grpc_pollset_set *pollset_set) {
+  size_t i;
+  gpr_mu_destroy(&pollset_set->mu);
+  for (i = 0; i < pollset_set->fd_count; i++) {
+    GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
+  }
+  gpr_free(pollset_set->pollsets);
+  gpr_free(pollset_set->pollset_sets);
+  gpr_free(pollset_set->fds);
+  gpr_free(pollset_set);
+}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
+  size_t i, j;
+  gpr_mu_lock(&pollset_set->mu);
+  if (pollset_set->pollset_count == pollset_set->pollset_capacity) {
+    pollset_set->pollset_capacity =
+        GPR_MAX(8, 2 * pollset_set->pollset_capacity);
+    pollset_set->pollsets =
+        gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity *
+                                               sizeof(*pollset_set->pollsets));
+  }
+  pollset_set->pollsets[pollset_set->pollset_count++] = pollset;
+  for (i = 0, j = 0; i < pollset_set->fd_count; i++) {
+    if (fd_is_orphaned(pollset_set->fds[i])) {
+      GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
+    } else {
+      pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
+      pollset_set->fds[j++] = pollset_set->fds[i];
+    }
+  }
+  pollset_set->fd_count = j;
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  for (i = 0; i < pollset_set->pollset_count; i++) {
+    if (pollset_set->pollsets[i] == pollset) {
+      pollset_set->pollset_count--;
+      GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i],
+               pollset_set->pollsets[pollset_set->pollset_count]);
+      break;
+    }
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
+  size_t i, j;
+  gpr_mu_lock(&bag->mu);
+  if (bag->pollset_set_count == bag->pollset_set_capacity) {
+    bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity);
+    bag->pollset_sets =
+        gpr_realloc(bag->pollset_sets,
+                    bag->pollset_set_capacity * sizeof(*bag->pollset_sets));
+  }
+  bag->pollset_sets[bag->pollset_set_count++] = item;
+  for (i = 0, j = 0; i < bag->fd_count; i++) {
+    if (fd_is_orphaned(bag->fds[i])) {
+      GRPC_FD_UNREF(bag->fds[i], "pollset_set");
+    } else {
+      pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
+      bag->fds[j++] = bag->fds[i];
+    }
+  }
+  bag->fd_count = j;
+  gpr_mu_unlock(&bag->mu);
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
+  size_t i;
+  gpr_mu_lock(&bag->mu);
+  for (i = 0; i < bag->pollset_set_count; i++) {
+    if (bag->pollset_sets[i] == item) {
+      bag->pollset_set_count--;
+      GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i],
+               bag->pollset_sets[bag->pollset_set_count]);
+      break;
+    }
+  }
+  gpr_mu_unlock(&bag->mu);
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  if (pollset_set->fd_count == pollset_set->fd_capacity) {
+    pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity);
+    pollset_set->fds = gpr_realloc(
+        pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds));
+  }
+  GRPC_FD_REF(fd, "pollset_set");
+  pollset_set->fds[pollset_set->fd_count++] = fd;
+  for (i = 0; i < pollset_set->pollset_count; i++) {
+    pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
+  }
+  for (i = 0; i < pollset_set->pollset_set_count; i++) {
+    pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  for (i = 0; i < pollset_set->fd_count; i++) {
+    if (pollset_set->fds[i] == fd) {
+      pollset_set->fd_count--;
+      GPR_SWAP(grpc_fd *, pollset_set->fds[i],
+               pollset_set->fds[pollset_set->fd_count]);
+      GRPC_FD_UNREF(fd, "pollset_set");
+      break;
+    }
+  }
+  for (i = 0; i < pollset_set->pollset_set_count; i++) {
+    pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+/*******************************************************************************
+ * event engine binding
+ */
+
+static void shutdown_engine(void) {
+  fd_global_shutdown();
+  pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+    .pollset_size = sizeof(grpc_pollset),
+
+    .fd_create = fd_create,
+    .fd_wrapped_fd = fd_wrapped_fd,
+    .fd_orphan = fd_orphan,
+    .fd_shutdown = fd_shutdown,
+    .fd_notify_on_read = fd_notify_on_read,
+    .fd_notify_on_write = fd_notify_on_write,
+
+    .pollset_init = pollset_init,
+    .pollset_shutdown = pollset_shutdown,
+    .pollset_reset = pollset_reset,
+    .pollset_destroy = pollset_destroy,
+    .pollset_work = pollset_work,
+    .pollset_kick = pollset_kick,
+    .pollset_add_fd = pollset_add_fd,
+
+    .pollset_set_create = pollset_set_create,
+    .pollset_set_destroy = pollset_set_destroy,
+    .pollset_set_add_pollset = pollset_set_add_pollset,
+    .pollset_set_del_pollset = pollset_set_del_pollset,
+    .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+    .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+    .pollset_set_add_fd = pollset_set_add_fd,
+    .pollset_set_del_fd = pollset_set_del_fd,
+
+    .kick_poller = kick_poller,
+
+    .shutdown_engine = shutdown_engine,
+};
+
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void) {
+#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+  platform_become_multipoller = epoll_become_multipoller;
+#else
+  platform_become_multipoller = poll_become_multipoller;
+#endif
+  fd_global_init();
+  pollset_global_init();
+  return &vtable;
+}
+
+#endif
diff --git a/src/core/lib/iomgr/ev_poll_and_epoll_posix.h b/src/core/lib/iomgr/ev_poll_and_epoll_posix.h
new file mode 100644
index 0000000000..06d6dbf29d
--- /dev/null
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H */
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
new file mode 100644
index 0000000000..0eb95a2e09
--- /dev/null
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -0,0 +1,165 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_POSIX_SOCKET
+
+#include "src/core/lib/iomgr/ev_posix.h"
+
+#include <grpc/support/log.h>
+
+#include "src/core/lib/iomgr/ev_poll_and_epoll_posix.h"
+
+static const grpc_event_engine_vtable *g_event_engine;
+
+grpc_poll_function_type grpc_poll_function = poll;
+grpc_wakeup_fd grpc_global_wakeup_fd;
+
+void grpc_event_engine_init(void) {
+  if ((g_event_engine = grpc_init_poll_and_epoll_posix())) {
+    return;
+  }
+  gpr_log(GPR_ERROR, "No event engine could be initialized");
+  abort();
+}
+
+void grpc_event_engine_shutdown(void) { g_event_engine->shutdown_engine(); }
+
+grpc_fd *grpc_fd_create(int fd, const char *name) {
+  return g_event_engine->fd_create(fd, name);
+}
+
+int grpc_fd_wrapped_fd(grpc_fd *fd) {
+  return g_event_engine->fd_wrapped_fd(fd);
+}
+
+void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason) {
+  g_event_engine->fd_orphan(exec_ctx, fd, on_done, release_fd, reason);
+}
+
+void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  g_event_engine->fd_shutdown(exec_ctx, fd);
+}
+
+void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure) {
+  g_event_engine->fd_notify_on_read(exec_ctx, fd, closure);
+}
+
+void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure) {
+  g_event_engine->fd_notify_on_write(exec_ctx, fd, closure);
+}
+
+size_t grpc_pollset_size(void) { return g_event_engine->pollset_size; }
+
+void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+  g_event_engine->pollset_init(pollset, mu);
+}
+
+void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_closure *closure) {
+  g_event_engine->pollset_shutdown(exec_ctx, pollset, closure);
+}
+
+void grpc_pollset_reset(grpc_pollset *pollset) {
+  g_event_engine->pollset_reset(pollset);
+}
+
+void grpc_pollset_destroy(grpc_pollset *pollset) {
+  g_event_engine->pollset_destroy(pollset);
+}
+
+void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                       grpc_pollset_worker **worker, gpr_timespec now,
+                       gpr_timespec deadline) {
+  g_event_engine->pollset_work(exec_ctx, pollset, worker, now, deadline);
+}
+
+void grpc_pollset_kick(grpc_pollset *pollset,
+                       grpc_pollset_worker *specific_worker) {
+  g_event_engine->pollset_kick(pollset, specific_worker);
+}
+
+void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd) {
+  g_event_engine->pollset_add_fd(exec_ctx, pollset, fd);
+}
+
+grpc_pollset_set *grpc_pollset_set_create(void) {
+  return g_event_engine->pollset_set_create();
+}
+
+void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
+  g_event_engine->pollset_set_destroy(pollset_set);
+}
+
+void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_add_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_del_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_add_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_del_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_add_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_del_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_kick_poller(void) { g_event_engine->kick_poller(); }
+
+#endif  // GPR_POSIX_SOCKET
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
new file mode 100644
index 0000000000..1fa9f5ef2d
--- /dev/null
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -0,0 +1,158 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_EV_POSIX_H
+
+#include <poll.h>
+
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+
+typedef struct grpc_fd grpc_fd;
+
+typedef struct grpc_event_engine_vtable {
+  size_t pollset_size;
+
+  grpc_fd *(*fd_create)(int fd, const char *name);
+  int (*fd_wrapped_fd)(grpc_fd *fd);
+  void (*fd_orphan)(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason);
+  void (*fd_shutdown)(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+  void (*fd_notify_on_read)(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure);
+  void (*fd_notify_on_write)(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure);
+
+  void (*pollset_init)(grpc_pollset *pollset, gpr_mu **mu);
+  void (*pollset_shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_closure *closure);
+  void (*pollset_reset)(grpc_pollset *pollset);
+  void (*pollset_destroy)(grpc_pollset *pollset);
+  void (*pollset_work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                       grpc_pollset_worker **worker, gpr_timespec now,
+                       gpr_timespec deadline);
+  void (*pollset_kick)(grpc_pollset *pollset,
+                       grpc_pollset_worker *specific_worker);
+  void (*pollset_add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd);
+
+  grpc_pollset_set *(*pollset_set_create)(void);
+  void (*pollset_set_destroy)(grpc_pollset_set *pollset_set);
+  void (*pollset_set_add_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_del_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_add_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_del_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_add_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+  void (*pollset_set_del_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+  void (*kick_poller)(void);
+
+  void (*shutdown_engine)(void);
+} grpc_event_engine_vtable;
+
+void grpc_event_engine_init(void);
+void grpc_event_engine_shutdown(void);
+
+/* Create a wrapped file descriptor.
+   Requires fd is a non-blocking file descriptor.
+   This takes ownership of closing fd. */
+grpc_fd *grpc_fd_create(int fd, const char *name);
+
+/* Return the wrapped fd, or -1 if it has been released or closed. */
+int grpc_fd_wrapped_fd(grpc_fd *fd);
+
+/* Releases fd to be asynchronously destroyed.
+   on_done is called when the underlying file descriptor is definitely close()d.
+   If on_done is NULL, no callback will be made.
+   If release_fd is not NULL, it's set to fd and fd will not be closed.
+   Requires: *fd initialized; no outstanding notify_on_read or
+   notify_on_write.
+   MUST NOT be called with a pollset lock taken */
+void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason);
+
+/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */
+void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+
+/* Register read interest, causing read_cb to be called once when fd becomes
+   readable, on deadline specified by deadline, or on shutdown triggered by
+   grpc_fd_shutdown.
+   read_cb will be called with read_cb_arg when *fd becomes readable.
+   read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable,
+   GRPC_CALLBACK_TIMED_OUT if the call timed out,
+   and CANCELLED if the call was cancelled.
+
+   Requires:This method must not be called before the read_cb for any previous
+   call runs. Edge triggered events are used whenever they are supported by the
+   underlying platform. This means that users must drain fd in read_cb before
+   calling notify_on_read again. Users are also expected to handle spurious
+   events, i.e read_cb is called while nothing can be readable from fd  */
+void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure);
+
+/* Exactly the same semantics as above, except based on writable events.  */
+void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure);
+
+/* pollset_posix functions */
+
+/* Add an fd to a pollset */
+void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd);
+
+/* pollset_set_posix functions */
+
+void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+/* override to allow tests to hook poll() usage */
+typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
+extern grpc_poll_function_type grpc_poll_function;
+extern grpc_wakeup_fd grpc_global_wakeup_fd;
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_POSIX_H */
diff --git a/src/core/iomgr/exec_ctx.c b/src/core/lib/iomgr/exec_ctx.c
index 1fd79f6eba..2146c7dd1f 100644
--- a/src/core/iomgr/exec_ctx.c
+++ b/src/core/lib/iomgr/exec_ctx.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,15 @@
  *
  */
 
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 #include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
+#ifndef GRPC_EXECUTION_CONTEXT_SANITIZER
 bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) {
   bool did_something = 0;
   GPR_TIMER_BEGIN("grpc_exec_ctx_flush", 0);
@@ -74,3 +77,75 @@ void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx,
   GPR_ASSERT(offload_target_or_null == NULL);
   grpc_closure_list_move(list, &exec_ctx->closure_list);
 }
+
+void grpc_exec_ctx_global_init(void) {}
+void grpc_exec_ctx_global_shutdown(void) {}
+#else
+static gpr_mu g_mu;
+static gpr_cv g_cv;
+static int g_threads = 0;
+
+static void run_closure(void *arg) {
+  grpc_closure *closure = arg;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  closure->cb(&exec_ctx, closure->cb_arg, (closure->final_data & 1) != 0);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_mu_lock(&g_mu);
+  if (--g_threads == 0) {
+    gpr_cv_signal(&g_cv);
+  }
+  gpr_mu_unlock(&g_mu);
+}
+
+static void start_closure(grpc_closure *closure) {
+  gpr_thd_id id;
+  gpr_mu_lock(&g_mu);
+  g_threads++;
+  gpr_mu_unlock(&g_mu);
+  gpr_thd_new(&id, run_closure, closure, NULL);
+}
+
+bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { return false; }
+
+void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx) {}
+
+void grpc_exec_ctx_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+                           bool success,
+                           grpc_workqueue *offload_target_or_null) {
+  GPR_ASSERT(offload_target_or_null == NULL);
+  if (closure == NULL) return;
+  closure->final_data = success;
+  start_closure(closure);
+}
+
+void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx,
+                                grpc_closure_list *list,
+                                grpc_workqueue *offload_target_or_null) {
+  GPR_ASSERT(offload_target_or_null == NULL);
+  if (list == NULL) return;
+  grpc_closure *p = list->head;
+  while (p) {
+    grpc_closure *start = p;
+    p = grpc_closure_next(start);
+    start_closure(start);
+  }
+  grpc_closure_list r = GRPC_CLOSURE_LIST_INIT;
+  *list = r;
+}
+
+void grpc_exec_ctx_global_init(void) {
+  gpr_mu_init(&g_mu);
+  gpr_cv_init(&g_cv);
+}
+
+void grpc_exec_ctx_global_shutdown(void) {
+  gpr_mu_lock(&g_mu);
+  while (g_threads != 0) {
+    gpr_cv_wait(&g_cv, &g_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
+  }
+  gpr_mu_unlock(&g_mu);
+
+  gpr_mu_destroy(&g_mu);
+  gpr_cv_destroy(&g_cv);
+}
+#endif
diff --git a/src/core/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h
index 9a9b2e55fa..e09ef02400 100644
--- a/src/core/iomgr/exec_ctx.h
+++ b/src/core/lib/iomgr/exec_ctx.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,19 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H
-#define GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EXEC_CTX_H
+#define GRPC_CORE_LIB_IOMGR_EXEC_CTX_H
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
+/* #define GRPC_EXECUTION_CONTEXT_SANITIZER 1 */
+
+/** A workqueue represents a list of work to be executed asynchronously.
+    Forward declared here to avoid a circular dependency with workqueue.h. */
+struct grpc_workqueue;
+typedef struct grpc_workqueue grpc_workqueue;
+
+#ifndef GRPC_EXECUTION_CONTEXT_SANITIZER
 /** Execution context.
  *  A bag of data that collects information along a callstack.
  *  Generally created at public API entry points, and passed down as
@@ -57,13 +65,15 @@ struct grpc_exec_ctx {
   grpc_closure_list closure_list;
 };
 
-/** A workqueue represents a list of work to be executed asynchronously.
-    Forward declared here to avoid a circular dependency with workqueue.h. */
-struct grpc_workqueue;
-typedef struct grpc_workqueue grpc_workqueue;
-
 #define GRPC_EXEC_CTX_INIT \
   { GRPC_CLOSURE_LIST_INIT }
+#else
+struct grpc_exec_ctx {
+  int unused;
+};
+#define GRPC_EXEC_CTX_INIT \
+  { 0 }
+#endif
 
 /** Flush any work that has been enqueued onto this grpc_exec_ctx.
  *  Caller must guarantee that no interfering locks are held.
@@ -82,4 +92,7 @@ void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx,
                                 grpc_closure_list *list,
                                 grpc_workqueue *offload_target_or_null);
 
-#endif
+void grpc_exec_ctx_global_init(void);
+void grpc_exec_ctx_global_shutdown(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EXEC_CTX_H */
diff --git a/src/core/iomgr/executor.c b/src/core/lib/iomgr/executor.c
index f22d8f30ac..36e22e4271 100644
--- a/src/core/iomgr/executor.c
+++ b/src/core/lib/iomgr/executor.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/executor.h"
+#include "src/core/lib/iomgr/executor.h"
 
 #include <string.h>
 
@@ -39,7 +39,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_executor_data {
   int busy;          /**< is the thread currently running? */
diff --git a/src/core/iomgr/executor.h b/src/core/lib/iomgr/executor.h
index aac057ddf5..b7e6f51aa5 100644
--- a/src/core/iomgr/executor.h
+++ b/src/core/lib/iomgr/executor.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
-#define GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
+#ifndef GRPC_CORE_LIB_IOMGR_EXECUTOR_H
+#define GRPC_CORE_LIB_IOMGR_EXECUTOR_H
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
 /** Initialize the global executor.
  *
@@ -50,4 +50,4 @@ void grpc_executor_enqueue(grpc_closure *closure, bool success);
 /** Shutdown the executor, running all pending work as part of the call */
 void grpc_executor_shutdown();
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EXECUTOR_H */
diff --git a/src/core/iomgr/iocp_windows.c b/src/core/lib/iomgr/iocp_windows.c
index 759340e00e..d46558ab1b 100644
--- a/src/core/iomgr/iocp_windows.c
+++ b/src/core/lib/iomgr/iocp_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,15 +37,15 @@
 
 #include <winsock2.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/log_win32.h>
-#include <grpc/support/alloc.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/iomgr/timer_internal.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/timer.h"
 
 static ULONG g_iocp_kick_token;
 static OVERLAPPED g_iocp_custom_overlap;
@@ -71,7 +71,8 @@ static DWORD deadline_to_millis_timeout(gpr_timespec deadline,
       timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
 }
 
-void grpc_iocp_work(grpc_exec_ctx *exec_ctx, gpr_timespec deadline) {
+grpc_iocp_work_status grpc_iocp_work(grpc_exec_ctx *exec_ctx,
+                                     gpr_timespec deadline) {
   BOOL success;
   DWORD bytes = 0;
   DWORD flags = 0;
@@ -84,14 +85,14 @@ void grpc_iocp_work(grpc_exec_ctx *exec_ctx, gpr_timespec deadline) {
       g_iocp, &bytes, &completion_key, &overlapped,
       deadline_to_millis_timeout(deadline, gpr_now(deadline.clock_type)));
   if (success == 0 && overlapped == NULL) {
-    return;
+    return GRPC_IOCP_WORK_TIMEOUT;
   }
   GPR_ASSERT(completion_key && overlapped);
   if (overlapped == &g_iocp_custom_overlap) {
     gpr_atm_full_fetch_add(&g_custom_events, -1);
     if (completion_key == (ULONG_PTR)&g_iocp_kick_token) {
       /* We were awoken from a kick. */
-      return;
+      return GRPC_IOCP_WORK_KICK;
     }
     gpr_log(GPR_ERROR, "Unknown custom completion key.");
     abort();
@@ -121,6 +122,7 @@ void grpc_iocp_work(grpc_exec_ctx *exec_ctx, gpr_timespec deadline) {
   }
   gpr_mu_unlock(&socket->state_mu);
   grpc_exec_ctx_enqueue(exec_ctx, closure, true, NULL);
+  return GRPC_IOCP_WORK_WORK;
 }
 
 void grpc_iocp_init(void) {
@@ -140,10 +142,12 @@ void grpc_iocp_kick(void) {
 
 void grpc_iocp_flush(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_iocp_work_status work_status;
 
   do {
-    grpc_iocp_work(&exec_ctx, gpr_inf_past(GPR_CLOCK_MONOTONIC));
-  } while (grpc_exec_ctx_flush(&exec_ctx));
+    work_status = grpc_iocp_work(&exec_ctx, gpr_inf_past(GPR_CLOCK_MONOTONIC));
+  } while (work_status == GRPC_IOCP_WORK_KICK ||
+           grpc_exec_ctx_flush(&exec_ctx));
 }
 
 void grpc_iocp_shutdown(void) {
diff --git a/src/core/iomgr/iocp_windows.h b/src/core/lib/iomgr/iocp_windows.h
index 75f3ba8477..ae210fa7d7 100644
--- a/src/core/iomgr/iocp_windows.h
+++ b/src/core/lib/iomgr/iocp_windows.h
@@ -31,14 +31,21 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H
 
 #include <grpc/support/sync.h>
 
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
-void grpc_iocp_work(grpc_exec_ctx *exec_ctx, gpr_timespec deadline);
+typedef enum {
+  GRPC_IOCP_WORK_WORK,
+  GRPC_IOCP_WORK_TIMEOUT,
+  GRPC_IOCP_WORK_KICK
+} grpc_iocp_work_status;
+
+grpc_iocp_work_status grpc_iocp_work(grpc_exec_ctx *exec_ctx,
+                                     gpr_timespec deadline);
 void grpc_iocp_init(void);
 void grpc_iocp_kick(void);
 void grpc_iocp_flush(void);
@@ -53,4 +60,4 @@ void grpc_socket_notify_on_read(grpc_exec_ctx *exec_ctx,
                                 grpc_winsocket *winsocket,
                                 grpc_closure *closure);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H */
diff --git a/src/core/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c
index 212ce5534d..146663984d 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/lib/iomgr/iomgr.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -41,10 +41,13 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <grpc/support/useful.h>
 
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/timer_internal.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 static gpr_mu g_mu;
 static gpr_cv g_rcv;
@@ -55,11 +58,11 @@ void grpc_iomgr_init(void) {
   g_shutdown = 0;
   gpr_mu_init(&g_mu);
   gpr_cv_init(&g_rcv);
+  grpc_exec_ctx_global_init();
   grpc_timer_list_init(gpr_now(GPR_CLOCK_MONOTONIC));
   g_root_object.next = g_root_object.prev = &g_root_object;
   g_root_object.name = "root";
   grpc_iomgr_platform_init();
-  grpc_pollset_global_init();
 }
 
 static size_t count_objects(void) {
@@ -116,6 +119,9 @@ void grpc_iomgr_shutdown(void) {
                     "memory leaks are likely",
                     count_objects());
             dump_objects("LEAKED");
+            if (grpc_iomgr_abort_on_leaks()) {
+              abort();
+            }
           }
           break;
         }
@@ -131,8 +137,8 @@ void grpc_iomgr_shutdown(void) {
   gpr_mu_lock(&g_mu);
   gpr_mu_unlock(&g_mu);
 
-  grpc_pollset_global_shutdown();
   grpc_iomgr_platform_shutdown();
+  grpc_exec_ctx_global_shutdown();
   gpr_mu_destroy(&g_mu);
   gpr_cv_destroy(&g_rcv);
 }
@@ -154,3 +160,14 @@ void grpc_iomgr_unregister_object(grpc_iomgr_object *obj) {
   gpr_mu_unlock(&g_mu);
   gpr_free(obj->name);
 }
+
+bool grpc_iomgr_abort_on_leaks(void) {
+  char *env = gpr_getenv("GRPC_ABORT_ON_LEAKS");
+  if (env == NULL) return false;
+  static const char *truthy[] = {"yes",  "Yes",  "YES", "true",
+                                 "True", "TRUE", "1"};
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(truthy); i++) {
+    if (0 == strcmp(env, truthy[i])) return true;
+  }
+  return false;
+}
diff --git a/src/core/iomgr/iomgr.h b/src/core/lib/iomgr/iomgr.h
index c9ea84c605..6c82de78ac 100644
--- a/src/core/iomgr/iomgr.h
+++ b/src/core/lib/iomgr/iomgr.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_H
 
 /** Initializes the iomgr. */
 void grpc_iomgr_init(void);
@@ -40,4 +40,4 @@ void grpc_iomgr_init(void);
 /** Signals the intention to shutdown the iomgr. */
 void grpc_iomgr_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_H */
diff --git a/src/core/iomgr/iomgr_internal.h b/src/core/lib/iomgr/iomgr_internal.h
index e372c18e8a..805be1f1e4 100644
--- a/src/core/iomgr/iomgr_internal.h
+++ b/src/core/lib/iomgr/iomgr_internal.h
@@ -31,11 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H
 
-#include "src/core/iomgr/iomgr.h"
-#include <grpc/support/sync.h>
+#include <stdbool.h>
+
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_iomgr_object {
   char *name;
@@ -43,9 +44,6 @@ typedef struct grpc_iomgr_object {
   struct grpc_iomgr_object *prev;
 } grpc_iomgr_object;
 
-void grpc_pollset_global_init(void);
-void grpc_pollset_global_shutdown(void);
-
 void grpc_iomgr_register_object(grpc_iomgr_object *obj, const char *name);
 void grpc_iomgr_unregister_object(grpc_iomgr_object *obj);
 
@@ -55,4 +53,6 @@ void grpc_iomgr_platform_flush(void);
 /** tear down all platform specific global iomgr structures */
 void grpc_iomgr_platform_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H */
+bool grpc_iomgr_abort_on_leaks(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H */
diff --git a/src/core/iomgr/iomgr_posix.c b/src/core/lib/iomgr/iomgr_posix.c
index fecb7b9760..016c501f75 100644
--- a/src/core/iomgr/iomgr_posix.c
+++ b/src/core/lib/iomgr/iomgr_posix.c
@@ -35,18 +35,18 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/iomgr_posix.h"
-#include "src/core/debug/trace.h"
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 void grpc_iomgr_platform_init(void) {
-  grpc_fd_global_init();
+  grpc_event_engine_init();
   grpc_register_tracer("tcp", &grpc_tcp_trace);
 }
 
 void grpc_iomgr_platform_flush(void) {}
 
-void grpc_iomgr_platform_shutdown(void) { grpc_fd_global_shutdown(); }
+void grpc_iomgr_platform_shutdown(void) { grpc_event_engine_shutdown(); }
 
 #endif /* GRPC_POSIX_SOCKET */
diff --git a/src/core/iomgr/iomgr_posix.h b/src/core/lib/iomgr/iomgr_posix.h
index 068a5c6d7c..d5eade962a 100644
--- a/src/core/iomgr/iomgr_posix.h
+++ b/src/core/lib/iomgr/iomgr_posix.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H
 
-#include "src/core/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H */
diff --git a/src/core/iomgr/iomgr_windows.c b/src/core/lib/iomgr/iomgr_windows.c
index 14775516bb..398517fc75 100644
--- a/src/core/iomgr/iomgr_windows.c
+++ b/src/core/lib/iomgr/iomgr_windows.c
@@ -35,13 +35,14 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/log.h>
 
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* Windows' io manager is going to be fully designed using IO completion
    ports. All of what we're doing here is basically make sure that
@@ -61,11 +62,13 @@ static void winsock_shutdown(void) {
 void grpc_iomgr_platform_init(void) {
   winsock_init();
   grpc_iocp_init();
+  grpc_pollset_global_init();
 }
 
 void grpc_iomgr_platform_flush(void) { grpc_iocp_flush(); }
 
 void grpc_iomgr_platform_shutdown(void) {
+  grpc_pollset_global_shutdown();
   grpc_iocp_shutdown();
   winsock_shutdown();
 }
diff --git a/src/core/iomgr/pollset.h b/src/core/lib/iomgr/pollset.h
index c6b0214dea..c40a474877 100644
--- a/src/core/iomgr/pollset.h
+++ b/src/core/lib/iomgr/pollset.h
@@ -31,12 +31,15 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_H
 
 #include <grpc/support/port_platform.h>
+#include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/iomgr/exec_ctx.h"
+
 #define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
 
 /* A grpc_pollset is a set of file descriptors that a higher level item is
@@ -46,17 +49,13 @@
     - a completion queue might keep a pollset with an entry for each transport
       that is servicing a call that it's tracking */
 
-#ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/pollset_posix.h"
-#endif
-
-#ifdef GPR_WIN32
-#include "src/core/iomgr/pollset_windows.h"
-#endif
+typedef struct grpc_pollset grpc_pollset;
+typedef struct grpc_pollset_worker grpc_pollset_worker;
 
-void grpc_pollset_init(grpc_pollset *pollset);
+size_t grpc_pollset_size(void);
+void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu);
 /* Begin shutting down the pollset, and call closure when done.
- * GRPC_POLLSET_MU(pollset) must be held */
+ * pollset's mutex must be held */
 void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                            grpc_closure *closure);
 /** Reset the pollset to its initial state (perhaps with some cached objects);
@@ -67,23 +66,23 @@ void grpc_pollset_destroy(grpc_pollset *pollset);
 /* Do some work on a pollset.
    May involve invoking asynchronous callbacks, or actually polling file
    descriptors.
-   Requires GRPC_POLLSET_MU(pollset) locked.
-   May unlock GRPC_POLLSET_MU(pollset) during its execution.
+   Requires pollset's mutex locked.
+   May unlock its mutex during its execution.
 
    worker is a (platform-specific) handle that can be used to wake up
    from grpc_pollset_work before any events are received and before the timeout
    has expired. It is both initialized and destroyed by grpc_pollset_work.
    Initialization of worker is guaranteed to occur BEFORE the
-   GRPC_POLLSET_MU(pollset) is released for the first time by
-   grpc_pollset_work, and it is guaranteed that GRPC_POLLSET_MU(pollset) will
-   not be released by grpc_pollset_work AFTER worker has been destroyed.
+   pollset's mutex is released for the first time by grpc_pollset_work
+   and it is guaranteed that it will not be released by grpc_pollset_work
+   AFTER worker has been destroyed.
 
    Tries not to block past deadline.
    May call grpc_closure_list_run on grpc_closure_list, without holding the
    pollset
    lock */
 void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                       grpc_pollset_worker *worker, gpr_timespec now,
+                       grpc_pollset_worker **worker, gpr_timespec now,
                        gpr_timespec deadline);
 
 /* Break one polling thread out of polling work for this pollset.
@@ -92,4 +91,4 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
 void grpc_pollset_kick(grpc_pollset *pollset,
                        grpc_pollset_worker *specific_worker);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_H */
diff --git a/src/core/iomgr/pollset_set.h b/src/core/lib/iomgr/pollset_set.h
index 09c04438f7..34bb728c41 100644
--- a/src/core/iomgr/pollset_set.h
+++ b/src/core/lib/iomgr/pollset_set.h
@@ -31,25 +31,19 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_SET_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_SET_H
 
-#include "src/core/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset.h"
 
 /* A grpc_pollset_set is a set of pollsets that are interested in an
    action. Adding a pollset to a pollset_set automatically adds any
    fd's (etc) that have been registered with the set_set to that pollset.
    Registering fd's automatically adds them to all current pollsets. */
 
-#ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/pollset_set_posix.h"
-#endif
+typedef struct grpc_pollset_set grpc_pollset_set;
 
-#ifdef GPR_WIN32
-#include "src/core/iomgr/pollset_set_windows.h"
-#endif
-
-void grpc_pollset_set_init(grpc_pollset_set *pollset_set);
+grpc_pollset_set *grpc_pollset_set_create(void);
 void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set);
 void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
                                   grpc_pollset_set *pollset_set,
@@ -64,4 +58,4 @@ void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
                                       grpc_pollset_set *bag,
                                       grpc_pollset_set *item);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_SET_H */
diff --git a/src/core/iomgr/pollset_set_windows.c b/src/core/lib/iomgr/pollset_set_windows.c
index 157b46ec32..89f60b92fb 100644
--- a/src/core/iomgr/pollset_set_windows.c
+++ b/src/core/lib/iomgr/pollset_set_windows.c
@@ -35,9 +35,9 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/pollset_set_windows.h"
 
-void grpc_pollset_set_init(grpc_pollset_set* pollset_set) {}
+grpc_pollset_set* grpc_pollset_set_create(void) { return NULL; }
 
 void grpc_pollset_set_destroy(grpc_pollset_set* pollset_set) {}
 
diff --git a/src/core/iomgr/pollset_set_windows.h b/src/core/lib/iomgr/pollset_set_windows.h
index cada0d2b61..0356749b15 100644
--- a/src/core/iomgr/pollset_set_windows.h
+++ b/src/core/lib/iomgr/pollset_set_windows.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H
 
-typedef struct grpc_pollset_set { void *unused; } grpc_pollset_set;
+#include "src/core/lib/iomgr/pollset_set.h"
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H */
diff --git a/src/core/iomgr/pollset_windows.c b/src/core/lib/iomgr/pollset_windows.c
index 02c6678363..bff5c586f8 100644
--- a/src/core/iomgr/pollset_windows.c
+++ b/src/core/lib/iomgr/pollset_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,17 +38,16 @@
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/iomgr/timer_internal.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
 
 gpr_mu grpc_polling_mu;
 static grpc_pollset_worker *g_active_poller;
 static grpc_pollset_worker g_global_root_worker;
 
-void grpc_pollset_global_init() {
+void grpc_pollset_global_init(void) {
   gpr_mu_init(&grpc_polling_mu);
   g_active_poller = NULL;
   g_global_root_worker.links[GRPC_POLLSET_WORKER_LINK_GLOBAL].next =
@@ -56,7 +55,7 @@ void grpc_pollset_global_init() {
           &g_global_root_worker;
 }
 
-void grpc_pollset_global_shutdown() { gpr_mu_destroy(&grpc_polling_mu); }
+void grpc_pollset_global_shutdown(void) { gpr_mu_destroy(&grpc_polling_mu); }
 
 static void remove_worker(grpc_pollset_worker *worker,
                           grpc_pollset_worker_link_type type) {
@@ -90,12 +89,15 @@ static void push_front_worker(grpc_pollset_worker *root,
       worker->links[type].next->links[type].prev = worker;
 }
 
+size_t grpc_pollset_size(void) { return sizeof(grpc_pollset); }
+
 /* There isn't really any such thing as a pollset under Windows, due to the
    nature of the IO completion ports. We're still going to provide a minimal
    set of features for the sake of the rest of grpc. But grpc_pollset_work
    won't actually do any polling, and return as quickly as possible. */
 
-void grpc_pollset_init(grpc_pollset *pollset) {
+void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+  *mu = &grpc_polling_mu;
   memset(pollset, 0, sizeof(*pollset));
   pollset->root_worker.links[GRPC_POLLSET_WORKER_LINK_POLLSET].next =
       pollset->root_worker.links[GRPC_POLLSET_WORKER_LINK_POLLSET].prev =
@@ -126,25 +128,25 @@ void grpc_pollset_reset(grpc_pollset *pollset) {
 }
 
 void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                       grpc_pollset_worker *worker, gpr_timespec now,
+                       grpc_pollset_worker **worker_hdl, gpr_timespec now,
                        gpr_timespec deadline) {
+  grpc_pollset_worker worker;
+  *worker_hdl = &worker;
+
   int added_worker = 0;
-  worker->links[GRPC_POLLSET_WORKER_LINK_POLLSET].next =
-      worker->links[GRPC_POLLSET_WORKER_LINK_POLLSET].prev =
-          worker->links[GRPC_POLLSET_WORKER_LINK_GLOBAL].next =
-              worker->links[GRPC_POLLSET_WORKER_LINK_GLOBAL].prev = NULL;
-  worker->kicked = 0;
-  worker->pollset = pollset;
-  gpr_cv_init(&worker->cv);
-  if (grpc_timer_check(exec_ctx, now, &deadline)) {
-    goto done;
-  }
+  worker.links[GRPC_POLLSET_WORKER_LINK_POLLSET].next =
+      worker.links[GRPC_POLLSET_WORKER_LINK_POLLSET].prev =
+          worker.links[GRPC_POLLSET_WORKER_LINK_GLOBAL].next =
+              worker.links[GRPC_POLLSET_WORKER_LINK_GLOBAL].prev = NULL;
+  worker.kicked = 0;
+  worker.pollset = pollset;
+  gpr_cv_init(&worker.cv);
   if (!pollset->kicked_without_pollers && !pollset->shutting_down) {
     if (g_active_poller == NULL) {
       grpc_pollset_worker *next_worker;
       /* become poller */
       pollset->is_iocp_worker = 1;
-      g_active_poller = worker;
+      g_active_poller = &worker;
       gpr_mu_unlock(&grpc_polling_mu);
       grpc_iocp_work(exec_ctx, deadline);
       grpc_exec_ctx_flush(exec_ctx);
@@ -171,12 +173,12 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       goto done;
     }
     push_front_worker(&g_global_root_worker, GRPC_POLLSET_WORKER_LINK_GLOBAL,
-                      worker);
+                      &worker);
     push_front_worker(&pollset->root_worker, GRPC_POLLSET_WORKER_LINK_POLLSET,
-                      worker);
+                      &worker);
     added_worker = 1;
-    while (!worker->kicked) {
-      if (gpr_cv_wait(&worker->cv, &grpc_polling_mu, deadline)) {
+    while (!worker.kicked) {
+      if (gpr_cv_wait(&worker.cv, &grpc_polling_mu, deadline)) {
         break;
       }
     }
@@ -190,10 +192,11 @@ done:
     gpr_mu_lock(&grpc_polling_mu);
   }
   if (added_worker) {
-    remove_worker(worker, GRPC_POLLSET_WORKER_LINK_GLOBAL);
-    remove_worker(worker, GRPC_POLLSET_WORKER_LINK_POLLSET);
+    remove_worker(&worker, GRPC_POLLSET_WORKER_LINK_GLOBAL);
+    remove_worker(&worker, GRPC_POLLSET_WORKER_LINK_POLLSET);
   }
-  gpr_cv_destroy(&worker->cv);
+  gpr_cv_destroy(&worker.cv);
+  *worker_hdl = NULL;
 }
 
 void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {
diff --git a/src/core/iomgr/pollset_windows.h b/src/core/lib/iomgr/pollset_windows.h
index 65ba80619b..2642013afc 100644
--- a/src/core/iomgr/pollset_windows.h
+++ b/src/core/lib/iomgr/pollset_windows.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H
 
 #include <grpc/support/sync.h>
 
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* There isn't really any such thing as a pollset under Windows, due to the
    nature of the IO completion ports. A Windows "pollset" is merely a mutex
@@ -72,8 +72,7 @@ struct grpc_pollset {
   grpc_closure *on_shutdown;
 };
 
-extern gpr_mu grpc_polling_mu;
+void grpc_pollset_global_init(void);
+void grpc_pollset_global_shutdown(void);
 
-#define GRPC_POLLSET_MU(pollset) (&grpc_polling_mu)
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H */
diff --git a/src/core/iomgr/resolve_address.h b/src/core/lib/iomgr/resolve_address.h
index 01eedffa88..ecc06340a3 100644
--- a/src/core/iomgr/resolve_address.h
+++ b/src/core/lib/iomgr/resolve_address.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H
-#define GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H
+#ifndef GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H
+#define GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H
 
 #include <stddef.h>
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 #define GRPC_MAX_SOCKADDR_SIZE 128
 
@@ -66,7 +66,7 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addresses);
 
 /* Resolve addr in a blocking fashion. Returns NULL on failure. On success,
    result must be freed with grpc_resolved_addresses_destroy. */
-grpc_resolved_addresses *grpc_blocking_resolve_address(
-    const char *addr, const char *default_port);
+extern grpc_resolved_addresses *(*grpc_blocking_resolve_address)(
+    const char *name, const char *default_port);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H */
diff --git a/src/core/iomgr/resolve_address_posix.c b/src/core/lib/iomgr/resolve_address_posix.c
index c51745b918..b9d3bbdb89 100644
--- a/src/core/iomgr/resolve_address_posix.c
+++ b/src/core/lib/iomgr/resolve_address_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,18 +34,12 @@
 #include <grpc/support/port_platform.h>
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
-#include <sys/types.h>
-#include <sys/un.h>
 #include <string.h>
+#include <sys/types.h>
 
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -53,6 +47,12 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   char *name;
@@ -62,7 +62,7 @@ typedef struct {
   void *arg;
 } request;
 
-grpc_resolved_addresses *grpc_blocking_resolve_address(
+static grpc_resolved_addresses *blocking_resolve_address_impl(
     const char *name, const char *default_port) {
   struct addrinfo hints;
   struct addrinfo *result = NULL, *resp;
@@ -71,18 +71,10 @@ grpc_resolved_addresses *grpc_blocking_resolve_address(
   int s;
   size_t i;
   grpc_resolved_addresses *addrs = NULL;
-  struct sockaddr_un *un;
 
   if (name[0] == 'u' && name[1] == 'n' && name[2] == 'i' && name[3] == 'x' &&
       name[4] == ':' && name[5] != 0) {
-    addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
-    addrs->naddrs = 1;
-    addrs->addrs = gpr_malloc(sizeof(grpc_resolved_address));
-    un = (struct sockaddr_un *)addrs->addrs->addr;
-    un->sun_family = AF_UNIX;
-    strcpy(un->sun_path, name + 5);
-    addrs->addrs->len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
-    return addrs;
+    return grpc_resolve_unix_domain_address(name + 5);
   }
 
   /* parse name, splitting it into host and port parts */
@@ -150,6 +142,9 @@ done:
   return addrs;
 }
 
+grpc_resolved_addresses *(*grpc_blocking_resolve_address)(
+    const char *name, const char *default_port) = blocking_resolve_address_impl;
+
 /* Callback to be passed to grpc_executor to asynch-ify
  * grpc_blocking_resolve_address */
 static void do_request_thread(grpc_exec_ctx *exec_ctx, void *rp, bool success) {
diff --git a/src/core/iomgr/resolve_address_windows.c b/src/core/lib/iomgr/resolve_address_windows.c
index 28c8661e73..82763d11f4 100644
--- a/src/core/iomgr/resolve_address_windows.c
+++ b/src/core/lib/iomgr/resolve_address_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,17 +34,12 @@
 #include <grpc/support/port_platform.h>
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
-#include <sys/types.h>
 #include <string.h>
+#include <sys/types.h>
 
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -52,6 +47,11 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   char *name;
@@ -61,7 +61,7 @@ typedef struct {
   void *arg;
 } request;
 
-grpc_resolved_addresses *grpc_blocking_resolve_address(
+static grpc_resolved_addresses *blocking_resolve_address_impl(
     const char *name, const char *default_port) {
   struct addrinfo hints;
   struct addrinfo *result = NULL, *resp;
@@ -133,6 +133,9 @@ done:
   return addrs;
 }
 
+grpc_resolved_addresses *(*grpc_blocking_resolve_address)(
+    const char *name, const char *default_port) = blocking_resolve_address_impl;
+
 /* Callback to be passed to grpc_executor to asynch-ify
  * grpc_blocking_resolve_address */
 static void do_request_thread(grpc_exec_ctx *exec_ctx, void *rp, bool success) {
diff --git a/src/core/iomgr/sockaddr.h b/src/core/lib/iomgr/sockaddr.h
index e41e1ec6b4..891a2f094f 100644
--- a/src/core/iomgr/sockaddr.h
+++ b/src/core/lib/iomgr/sockaddr.h
@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_H
 
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_WIN32
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 #endif
 
 #ifdef GPR_POSIX_SOCKETADDR
-#include "src/core/iomgr/sockaddr_posix.h"
+#include "src/core/lib/iomgr/sockaddr_posix.h"
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_H */
diff --git a/src/core/iomgr/sockaddr_posix.h b/src/core/lib/iomgr/sockaddr_posix.h
index 388abb3306..b150de42f7 100644
--- a/src/core/iomgr/sockaddr_posix.h
+++ b/src/core/lib/iomgr/sockaddr_posix.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H
 
 #include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
 #include <sys/socket.h>
 #include <sys/types.h>
-#include <netinet/in.h>
-#include <netdb.h>
 #include <unistd.h>
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H */
diff --git a/src/core/iomgr/sockaddr_utils.c b/src/core/lib/iomgr/sockaddr_utils.c
index 61006d7a7a..127d95c618 100644
--- a/src/core/iomgr/sockaddr_utils.c
+++ b/src/core/lib/iomgr/sockaddr_utils.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,22 +31,19 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <string.h>
 
-#ifdef GPR_POSIX_SOCKET
-#include <sys/un.h>
-#endif
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 static const uint8_t kV4MappedPrefix[] = {0, 0, 0, 0, 0,    0,
                                           0, 0, 0, 0, 0xff, 0xff};
@@ -191,14 +188,9 @@ char *grpc_sockaddr_to_uri(const struct sockaddr *addr) {
       gpr_asprintf(&result, "ipv6:%s", temp);
       gpr_free(temp);
       return result;
-#ifdef GPR_POSIX_SOCKET
-    case AF_UNIX:
-      gpr_asprintf(&result, "unix:%s", ((struct sockaddr_un *)addr)->sun_path);
-      return result;
-#endif
+    default:
+      return grpc_sockaddr_to_uri_unix_if_possible(addr);
   }
-
-  return NULL;
 }
 
 int grpc_sockaddr_get_port(const struct sockaddr *addr) {
@@ -207,9 +199,10 @@ int grpc_sockaddr_get_port(const struct sockaddr *addr) {
       return ntohs(((struct sockaddr_in *)addr)->sin_port);
     case AF_INET6:
       return ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
-    case AF_UNIX:
-      return 1;
     default:
+      if (grpc_is_unix_socket(addr)) {
+        return 1;
+      }
       gpr_log(GPR_ERROR, "Unknown socket family %d in grpc_sockaddr_get_port",
               addr->sa_family);
       return 0;
diff --git a/src/core/iomgr/sockaddr_utils.h b/src/core/lib/iomgr/sockaddr_utils.h
index 6f7a279900..9f81992e6b 100644
--- a/src/core/iomgr/sockaddr_utils.h
+++ b/src/core/lib/iomgr/sockaddr_utils.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H
 
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 /* Returns true if addr is an IPv4-mapped IPv6 address within the
    ::ffff:0.0.0.0/96 range, or false otherwise.
@@ -86,4 +86,4 @@ int grpc_sockaddr_to_string(char **out, const struct sockaddr *addr,
 
 char *grpc_sockaddr_to_uri(const struct sockaddr *addr);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H */
diff --git a/src/core/iomgr/sockaddr_win32.h b/src/core/lib/iomgr/sockaddr_win32.h
index 8e3946a7d8..02aeae7619 100644
--- a/src/core/iomgr/sockaddr_win32.h
+++ b/src/core/lib/iomgr/sockaddr_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H
 
 #include <winsock2.h>
 #include <ws2tcpip.h>
+
+// must be included after the above
 #include <mswsock.h>
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H */
diff --git a/src/core/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c
index a9af594700..fa83ceef30 100644
--- a/src/core/iomgr/socket_utils_common_posix.c
+++ b/src/core/lib/iomgr/socket_utils_common_posix.c
@@ -35,26 +35,26 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <arpa/inet.h>
-#include <limits.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <stdio.h>
-#include <sys/types.h>
+#include <string.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <string.h>
-#include <errno.h>
 
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/string.h"
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/string.h"
 
 /* set a socket to non blocking mode */
 int grpc_set_socket_nonblocking(int fd, int non_blocking) {
@@ -89,6 +89,28 @@ int grpc_set_socket_no_sigpipe_if_possible(int fd) {
 #endif
 }
 
+int grpc_set_socket_ip_pktinfo_if_possible(int fd) {
+#ifdef GPR_HAVE_IP_PKTINFO
+  int get_local_ip = 1;
+  return 0 == setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &get_local_ip,
+                         sizeof(get_local_ip));
+#else
+  (void)fd;
+  return 1;
+#endif
+}
+
+int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd) {
+#ifdef GPR_HAVE_IPV6_RECVPKTINFO
+  int get_local_ip = 1;
+  return 0 == setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &get_local_ip,
+                         sizeof(get_local_ip));
+#else
+  (void)fd;
+  return 1;
+#endif
+}
+
 /* set a socket to close on exec */
 int grpc_set_socket_cloexec(int fd, int close_on_exec) {
   int oldflags = fcntl(fd, F_GETFD, 0);
diff --git a/src/core/iomgr/socket_utils_linux.c b/src/core/lib/iomgr/socket_utils_linux.c
index a87625262b..144e3110c8 100644
--- a/src/core/iomgr/socket_utils_linux.c
+++ b/src/core/lib/iomgr/socket_utils_linux.c
@@ -35,10 +35,10 @@
 
 #ifdef GPR_LINUX_SOCKETUTILS
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 
 int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen,
                  int nonblock, int cloexec) {
diff --git a/src/core/iomgr/socket_utils_posix.c b/src/core/lib/iomgr/socket_utils_posix.c
index 3c56b46744..57ae64c103 100644
--- a/src/core/iomgr/socket_utils_posix.c
+++ b/src/core/lib/iomgr/socket_utils_posix.c
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKETUTILS
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <fcntl.h>
 #include <sys/socket.h>
diff --git a/src/core/iomgr/socket_utils_posix.h b/src/core/lib/iomgr/socket_utils_posix.h
index d330d1986e..a8f6e5e658 100644
--- a/src/core/iomgr/socket_utils_posix.h
+++ b/src/core/lib/iomgr/socket_utils_posix.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H
 
-#include <unistd.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 /* a wrapper for accept or accept4 */
 int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen,
@@ -68,6 +68,16 @@ int grpc_ipv6_loopback_available(void);
    If SO_NO_SIGPIPE is not available, returns 1. */
 int grpc_set_socket_no_sigpipe_if_possible(int fd);
 
+/* Tries to set IP_PKTINFO if available on this platform.
+   Returns 1 on success, 0 on failure.
+   If IP_PKTINFO is not available, returns 1. */
+int grpc_set_socket_ip_pktinfo_if_possible(int fd);
+
+/* Tries to set IPV6_RECVPKTINFO if available on this platform.
+   Returns 1 on success, 0 on failure.
+   If IPV6_RECVPKTINFO is not available, returns 1. */
+int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd);
+
 /* An enum to keep track of IPv4/IPv6 socket modes.
 
    Currently, this information is only used when a socket is first created, but
@@ -110,4 +120,4 @@ extern int grpc_forbid_dualstack_sockets_for_testing;
 int grpc_create_dualstack_socket(const struct sockaddr *addr, int type,
                                  int protocol, grpc_dualstack_mode *dsmode);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H */
diff --git a/src/core/iomgr/socket_windows.c b/src/core/lib/iomgr/socket_windows.c
index fafb7b6622..ebd77e0372 100644
--- a/src/core/iomgr/socket_windows.c
+++ b/src/core/lib/iomgr/socket_windows.c
@@ -36,6 +36,8 @@
 #ifdef GPR_WINSOCK_SOCKET
 
 #include <winsock2.h>
+
+// must be included after winsock2.h
 #include <mswsock.h>
 
 #include <grpc/support/alloc.h>
@@ -43,11 +45,11 @@
 #include <grpc/support/log_win32.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_windows.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 grpc_winsocket *grpc_winsocket_create(SOCKET socket, const char *name) {
   char *final_name;
diff --git a/src/core/iomgr/socket_windows.h b/src/core/lib/iomgr/socket_windows.h
index dfbfabe1f9..73c4384987 100644
--- a/src/core/iomgr/socket_windows.h
+++ b/src/core/lib/iomgr/socket_windows.h
@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H
 
 #include <grpc/support/port_platform.h>
 #include <winsock2.h>
 
-#include <grpc/support/sync.h>
 #include <grpc/support/atm.h>
+#include <grpc/support/sync.h>
 
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
 
 /* This holds the data for an outstanding read or write on a socket.
    The mutex to protect the concurrent access to that data is the one
@@ -108,4 +108,4 @@ void grpc_winsocket_shutdown(grpc_winsocket *socket);
 /* Destroy a socket. Should only be called if there's no pending operation. */
 void grpc_winsocket_destroy(grpc_winsocket *socket);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H */
diff --git a/src/core/iomgr/tcp_client.h b/src/core/lib/iomgr/tcp_client.h
index 5e18e71ca2..a07e0b9f0c 100644
--- a/src/core/iomgr/tcp_client.h
+++ b/src/core/lib/iomgr/tcp_client.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
+#define GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/pollset_set.h"
-#include "src/core/iomgr/sockaddr.h"
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 /* Asynchronously connect to an address (specified as (addr, len)), and call
    cb with arg and the completed connection when done (or call cb with arg and
@@ -50,4 +50,4 @@ void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_connect,
                              const struct sockaddr *addr, size_t addr_len,
                              gpr_timespec deadline);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H */
diff --git a/src/core/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
index c76c2e3b0f..6430cb629f 100644
--- a/src/core/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,25 +35,27 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iomgr_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_posix.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
+
 extern int grpc_tcp_trace;
 
 typedef struct {
@@ -75,13 +77,12 @@ static int prepare_socket(const struct sockaddr *addr, int fd) {
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      (addr->sa_family != AF_UNIX && !grpc_set_socket_low_latency(fd, 1)) ||
+      (!grpc_is_unix_socket(addr) && !grpc_set_socket_low_latency(fd, 1)) ||
       !grpc_set_socket_no_sigpipe_if_possible(fd)) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
             strerror(errno));
     goto error;
   }
-
   return 1;
 
 error:
@@ -138,7 +139,8 @@ static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, bool success) {
   if (success) {
     do {
       so_error_size = sizeof(so_error);
-      err = getsockopt(fd->fd, SOL_SOCKET, SO_ERROR, &so_error, &so_error_size);
+      err = getsockopt(grpc_fd_wrapped_fd(fd), SOL_SOCKET, SO_ERROR, &so_error,
+                       &so_error_size);
     } while (err < 0 && errno == EINTR);
     if (err < 0) {
       gpr_log(GPR_ERROR, "failed to connect to '%s': getsockopt(ERROR): %s",
diff --git a/src/core/iomgr/tcp_client_windows.c b/src/core/lib/iomgr/tcp_client_windows.c
index 689c6f7b10..7d78beb15a 100644
--- a/src/core/iomgr/tcp_client_windows.c
+++ b/src/core/lib/iomgr/tcp_client_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -43,13 +43,13 @@
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/iomgr/tcp_windows.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
+#include "src/core/lib/iomgr/timer.h"
 
 typedef struct {
   grpc_closure *on_done;
@@ -103,7 +103,8 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *acp, bool from_iocp) {
     GPR_ASSERT(transfered_bytes == 0);
     if (!wsa_success) {
       char *utf8_message = gpr_format_message(WSAGetLastError());
-      gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message);
+      gpr_log(GPR_ERROR, "on_connect error connecting to '%s': %s",
+              ac->addr_name, utf8_message);
       gpr_free(utf8_message);
     } else {
       *ep = grpc_tcp_create(ac->socket, ac->addr_name);
diff --git a/src/core/iomgr/tcp_posix.c b/src/core/lib/iomgr/tcp_posix.c
index 048e907441..7210aef5d5 100644
--- a/src/core/iomgr/tcp_posix.c
+++ b/src/core/lib/iomgr/tcp_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,13 +35,13 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 #include <grpc/support/alloc.h>
@@ -51,9 +51,10 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/support/string.h"
-#include "src/core/debug/trace.h"
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
 
 #ifdef GPR_HAVE_MSG_NOSIGNAL
 #define SENDMSG_FLAGS MSG_NOSIGNAL
@@ -295,7 +296,7 @@ static flush_result tcp_flush(grpc_tcp *tcp) {
     unwind_slice_idx = tcp->outgoing_slice_idx;
     unwind_byte_idx = tcp->outgoing_byte_idx;
     for (iov_size = 0; tcp->outgoing_slice_idx != tcp->outgoing_buffer->count &&
-                           iov_size != MAX_WRITE_IOVEC;
+                       iov_size != MAX_WRITE_IOVEC;
          iov_size++) {
       iov[iov_size].iov_base =
           GPR_SLICE_START_PTR(
@@ -444,7 +445,7 @@ static char *tcp_get_peer(grpc_endpoint *ep) {
 }
 
 static const grpc_endpoint_vtable vtable = {
-    tcp_read, tcp_write, tcp_add_to_pollset, tcp_add_to_pollset_set,
+    tcp_read,     tcp_write,   tcp_add_to_pollset, tcp_add_to_pollset_set,
     tcp_shutdown, tcp_destroy, tcp_get_peer};
 
 grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd, size_t slice_size,
@@ -452,7 +453,7 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd, size_t slice_size,
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
   tcp->base.vtable = &vtable;
   tcp->peer_string = gpr_strdup(peer_string);
-  tcp->fd = em_fd->fd;
+  tcp->fd = grpc_fd_wrapped_fd(em_fd);
   tcp->read_cb = NULL;
   tcp->write_cb = NULL;
   tcp->release_fd_cb = NULL;
diff --git a/src/core/iomgr/tcp_posix.h b/src/core/lib/iomgr/tcp_posix.h
index 2a40cdd385..99125836d6 100644
--- a/src/core/iomgr/tcp_posix.h
+++ b/src/core/lib/iomgr/tcp_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
 /*
    Low level TCP "bottom half" implementation, for use by transports built on
    top of a TCP connection.
@@ -44,8 +44,8 @@
    otherwise specified.
 */
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 #define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
 
@@ -68,4 +68,4 @@ int grpc_tcp_fd(grpc_endpoint *ep);
 void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
                                      int *fd, grpc_closure *done);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_POSIX_H */
diff --git a/src/core/iomgr/tcp_server.h b/src/core/lib/iomgr/tcp_server.h
index a39dd3bafc..99b9f29729 100644
--- a/src/core/iomgr/tcp_server.h
+++ b/src/core/lib/iomgr/tcp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_SERVER_H
+#define GRPC_CORE_LIB_IOMGR_TCP_SERVER_H
 
-#include "src/core/iomgr/closure.h"
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 /* Forward decl of grpc_tcp_server */
 typedef struct grpc_tcp_server grpc_tcp_server;
@@ -100,4 +100,4 @@ void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s,
    a call (exec_ctx!=NULL) to shutdown_complete. */
 void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_SERVER_H */
diff --git a/src/core/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c
index 5e07f8261c..aaeb384f6e 100644
--- a/src/core/iomgr/tcp_server_posix.c
+++ b/src/core/lib/iomgr/tcp_server_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -52,20 +52,19 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/un.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100
 
@@ -81,7 +80,6 @@ struct grpc_tcp_listener {
   union {
     uint8_t untyped[GRPC_MAX_SOCKADDR_SIZE];
     struct sockaddr sockaddr;
-    struct sockaddr_un un;
   } addr;
   size_t addr_len;
   int port;
@@ -98,14 +96,6 @@ struct grpc_tcp_listener {
   int is_sibling;
 };
 
-static void unlink_if_unix_domain_socket(const struct sockaddr_un *un) {
-  struct stat st;
-
-  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
-    unlink(un->sun_path);
-  }
-}
-
 /* the overall server */
 struct grpc_tcp_server {
   gpr_refcount refs;
@@ -203,9 +193,7 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) {
   if (s->head) {
     grpc_tcp_listener *sp;
     for (sp = s->head; sp; sp = sp->next) {
-      if (sp->addr.sockaddr.sa_family == AF_UNIX) {
-        unlink_if_unix_domain_socket(&sp->addr.un);
-      }
+      grpc_unlink_if_unix_domain_socket(&sp->addr.sockaddr);
       sp->destroyed_closure.cb = destroyed_port;
       sp->destroyed_closure.cb_arg = s;
       grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL,
@@ -281,7 +269,7 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      (addr->sa_family != AF_UNIX && (!grpc_set_socket_low_latency(fd, 1) ||
+      (!grpc_is_unix_socket(addr) && (!grpc_set_socket_low_latency(fd, 1) ||
                                       !grpc_set_socket_reuse_addr(fd, 1))) ||
       !grpc_set_socket_no_sigpipe_if_possible(fd)) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
@@ -451,9 +439,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
   if (s->tail != NULL) {
     port_index = s->tail->port_index + 1;
   }
-  if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
-    unlink_if_unix_domain_socket(addr);
-  }
+  grpc_unlink_if_unix_domain_socket((struct sockaddr *)addr);
 
   /* Check if this is a wildcard port, and if so, try to keep the port the same
      as some previously created listener. */
@@ -464,7 +450,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
                            &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
@@ -499,7 +485,6 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
     /* If we didn't get a dualstack socket, also listen on 0.0.0.0. */
     if (port == 0 && sp != NULL) {
       grpc_sockaddr_set_port((struct sockaddr *)&wild4, sp->port);
-      sp2 = sp;
     }
     addr = (struct sockaddr *)&wild4;
     addr_len = sizeof(wild4);
@@ -508,16 +493,18 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
   fd = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode);
   if (fd < 0) {
     gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno));
-  }
-  if (dsmode == GRPC_DSMODE_IPV4 &&
-      grpc_sockaddr_is_v4mapped(addr, &addr4_copy)) {
-    addr = (struct sockaddr *)&addr4_copy;
-    addr_len = sizeof(addr4_copy);
-  }
-  sp = add_socket_to_server(s, fd, addr, addr_len, port_index, fd_index);
-  if (sp2 != NULL && sp != NULL) {
-    sp2->sibling = sp;
-    sp->is_sibling = 1;
+  } else {
+    if (dsmode == GRPC_DSMODE_IPV4 &&
+        grpc_sockaddr_is_v4mapped(addr, &addr4_copy)) {
+      addr = (struct sockaddr *)&addr4_copy;
+      addr_len = sizeof(addr4_copy);
+    }
+    sp2 = sp;
+    sp = add_socket_to_server(s, fd, addr, addr_len, port_index, fd_index);
+    if (sp2 != NULL && sp != NULL) {
+      sp2->sibling = sp;
+      sp->is_sibling = 1;
+    }
   }
 
 done:
diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/lib/iomgr/tcp_server_windows.c
index ce930b8f41..6940dec7b0 100644
--- a/src/core/iomgr/tcp_server_windows.c
+++ b/src/core/lib/iomgr/tcp_server_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@
 
 #include <io.h>
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -46,11 +46,11 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/pollset_windows.h"
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/iomgr/tcp_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
 
 #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100
 
@@ -240,8 +240,7 @@ static void decrement_active_ports_and_notify(grpc_exec_ctx *exec_ctx,
   sp->shutting_down = 0;
   gpr_mu_lock(&sp->server->mu);
   GPR_ASSERT(sp->server->active_ports > 0);
-  if (0 == --sp->server->active_ports &&
-      sp->server->shutdown_complete != NULL) {
+  if (0 == --sp->server->active_ports) {
     notify = 1;
   }
   gpr_mu_unlock(&sp->server->mu);
@@ -468,7 +467,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
                            (struct sockaddr *)&sockname_temp, &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
diff --git a/src/core/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c
index 038e4158c8..7ee689a7e4 100644
--- a/src/core/iomgr/tcp_windows.c
+++ b/src/core/lib/iomgr/tcp_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -44,12 +44,12 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/timer.h"
 
 static int set_non_block(SOCKET sock) {
   int status;
@@ -146,8 +146,8 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, bool success) {
   grpc_winsocket_callback_info *info = &socket->read_info;
 
   if (success) {
-    if (socket->read_info.wsa_error != 0 && !tcp->shutting_down) {
-      if (socket->read_info.wsa_error != WSAECONNRESET) {
+    if (info->wsa_error != 0 && !tcp->shutting_down) {
+      if (info->wsa_error != WSAECONNRESET) {
         char *utf8_message = gpr_format_message(info->wsa_error);
         gpr_log(GPR_ERROR, "ReadFile overlapped error: %s", utf8_message);
         gpr_free(utf8_message);
@@ -306,7 +306,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
       ok = true;
       GPR_ASSERT(bytes_sent == tcp->write_slices->length);
     } else {
-      if (socket->read_info.wsa_error != WSAECONNRESET) {
+      if (info->wsa_error != WSAECONNRESET) {
         char *utf8_message = gpr_format_message(info->wsa_error);
         gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message);
         gpr_free(utf8_message);
@@ -382,9 +382,9 @@ static char *win_get_peer(grpc_endpoint *ep) {
   return gpr_strdup(tcp->peer_string);
 }
 
-static grpc_endpoint_vtable vtable = {win_read, win_write, win_add_to_pollset,
-                                      win_add_to_pollset_set, win_shutdown,
-                                      win_destroy, win_get_peer};
+static grpc_endpoint_vtable vtable = {
+    win_read,     win_write,   win_add_to_pollset, win_add_to_pollset_set,
+    win_shutdown, win_destroy, win_get_peer};
 
 grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, char *peer_string) {
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
diff --git a/src/core/iomgr/tcp_windows.h b/src/core/lib/iomgr/tcp_windows.h
index deb3e48293..a2f58eddd5 100644
--- a/src/core/iomgr/tcp_windows.h
+++ b/src/core/lib/iomgr/tcp_windows.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H
 /*
    Low level TCP "bottom half" implementation, for use by transports built on
    top of a TCP connection.
@@ -44,8 +44,8 @@
    otherwise specified.
 */
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* Create a tcp endpoint given a winsock handle.
  * Takes ownership of the handle.
@@ -54,4 +54,4 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, char *peer_string);
 
 int grpc_tcp_prepare_socket(SOCKET sock);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H */
diff --git a/src/core/iomgr/time_averaged_stats.c b/src/core/lib/iomgr/time_averaged_stats.c
index e075db4373..da9cae6f28 100644
--- a/src/core/iomgr/time_averaged_stats.c
+++ b/src/core/lib/iomgr/time_averaged_stats.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
 
 void grpc_time_averaged_stats_init(grpc_time_averaged_stats* stats,
                                    double init_avg, double regress_weight,
diff --git a/src/core/iomgr/time_averaged_stats.h b/src/core/lib/iomgr/time_averaged_stats.h
index 4e9e3956c2..284b31f94a 100644
--- a/src/core/iomgr/time_averaged_stats.h
+++ b/src/core/lib/iomgr/time_averaged_stats.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H
+#define GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H
 
 /* This tracks a time-decaying weighted average.  It works by collecting
    batches of samples and then mixing their average into a time-decaying
@@ -85,4 +85,4 @@ void grpc_time_averaged_stats_add_sample(grpc_time_averaged_stats* stats,
    value. */
 double grpc_time_averaged_stats_update_average(grpc_time_averaged_stats* stats);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H */
diff --git a/src/core/iomgr/timer.c b/src/core/lib/iomgr/timer.c
index a33d8f63a0..713f15b69e 100644
--- a/src/core/iomgr/timer.c
+++ b/src/core/lib/iomgr/timer.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,13 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
-#include "src/core/iomgr/timer_heap.h"
-#include "src/core/iomgr/timer_internal.h"
-#include "src/core/iomgr/time_averaged_stats.h"
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #define INVALID_HEAP_INDEX 0xffffffffu
 
@@ -331,13 +330,25 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now,
 
     gpr_mu_unlock(&g_mu);
     gpr_mu_unlock(&g_checker_mu);
+  } else if (next != NULL) {
+    /* TODO(ctiller): this forces calling code to do an short poll, and
+       then retry the timer check (because this time through the timer list was
+       contended).
+
+       We could reduce the cost here dramatically by keeping a count of how many
+       currently active pollers got through the uncontended case above
+       successfully, and waking up other pollers IFF that count drops to zero.
+
+       Once that count is in place, this entire else branch could disappear. */
+    *next = gpr_time_min(
+        *next, gpr_time_add(now, gpr_time_from_millis(1, GPR_TIMESPAN)));
   }
 
   return (int)n;
 }
 
-int grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
-                     gpr_timespec *next) {
+bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
+                      gpr_timespec *next) {
   GPR_ASSERT(now.clock_type == g_clock_type);
   return run_some_expired_timers(
       exec_ctx, now, next,
diff --git a/src/core/iomgr/timer.h b/src/core/lib/iomgr/timer.h
index 720c9d5ab9..a825d2a28b 100644
--- a/src/core/iomgr/timer.h
+++ b/src/core/lib/iomgr/timer.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIMER_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_H
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_timer {
   gpr_timespec deadline;
@@ -86,4 +86,23 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
    Requires:  cancel() must happen after add() on a given timer */
 void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_H */
+/* iomgr internal api for dealing with timers */
+
+/* Check for timers to be run, and run them.
+   Return true if timer callbacks were executed.
+   Drops drop_mu if it is non-null before executing callbacks.
+   If next is non-null, TRY to update *next with the next running timer
+   IF that timer occurs before *next current value.
+   *next is never guaranteed to be updated on any given execution; however,
+   with high probability at least one thread in the system will see an update
+   at any time slice. */
+bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
+                      gpr_timespec *next);
+void grpc_timer_list_init(gpr_timespec now);
+void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx);
+
+/* the following must be implemented by each iomgr implementation */
+
+void grpc_kick_poller(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_H */
diff --git a/src/core/iomgr/timer_heap.c b/src/core/lib/iomgr/timer_heap.c
index 9d8be5c1fc..2ad9bb9cd2 100644
--- a/src/core/iomgr/timer_heap.c
+++ b/src/core/lib/iomgr/timer_heap.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #include <string.h>
 
@@ -46,7 +46,7 @@
 static void adjust_upwards(grpc_timer **first, uint32_t i, grpc_timer *t) {
   while (i > 0) {
     uint32_t parent = (uint32_t)(((int)i - 1) / 2);
-    if (gpr_time_cmp(first[parent]->deadline, t->deadline) >= 0) break;
+    if (gpr_time_cmp(first[parent]->deadline, t->deadline) <= 0) break;
     first[i] = first[parent];
     first[i]->heap_index = i;
     i = parent;
@@ -62,16 +62,14 @@ static void adjust_downwards(grpc_timer **first, uint32_t i, uint32_t length,
                              grpc_timer *t) {
   for (;;) {
     uint32_t left_child = 1u + 2u * i;
-    uint32_t right_child;
-    uint32_t next_i;
     if (left_child >= length) break;
-    right_child = left_child + 1;
-    next_i = right_child < length &&
-                     gpr_time_cmp(first[left_child]->deadline,
-                                  first[right_child]->deadline) < 0
-                 ? right_child
-                 : left_child;
-    if (gpr_time_cmp(t->deadline, first[next_i]->deadline) >= 0) break;
+    uint32_t right_child = left_child + 1;
+    uint32_t next_i = right_child < length &&
+                              gpr_time_cmp(first[left_child]->deadline,
+                                           first[right_child]->deadline) > 0
+                          ? right_child
+                          : left_child;
+    if (gpr_time_cmp(t->deadline, first[next_i]->deadline) <= 0) break;
     first[i] = first[next_i];
     first[i]->heap_index = i;
     i = next_i;
@@ -95,7 +93,7 @@ static void maybe_shrink(grpc_timer_heap *heap) {
 static void note_changed_priority(grpc_timer_heap *heap, grpc_timer *timer) {
   uint32_t i = timer->heap_index;
   uint32_t parent = (uint32_t)(((int)i - 1) / 2);
-  if (gpr_time_cmp(heap->timers[parent]->deadline, timer->deadline) < 0) {
+  if (gpr_time_cmp(heap->timers[parent]->deadline, timer->deadline) > 0) {
     adjust_upwards(heap->timers, i, timer);
   } else {
     adjust_downwards(heap->timers, i, heap->timer_count, timer);
diff --git a/src/core/iomgr/timer_heap.h b/src/core/lib/iomgr/timer_heap.h
index 2d220f1677..576c20e09a 100644
--- a/src/core/iomgr/timer_heap.h
+++ b/src/core/lib/iomgr/timer_heap.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 typedef struct {
   grpc_timer **timers;
@@ -54,4 +54,4 @@ void grpc_timer_heap_pop(grpc_timer_heap *heap);
 
 int grpc_timer_heap_is_empty(grpc_timer_heap *heap);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H */
diff --git a/src/core/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c
index ef548cfe4d..24131179af 100644
--- a/src/core/iomgr/udp_server.c
+++ b/src/core/lib/iomgr/udp_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
 #ifdef GRPC_NEED_UDP
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/udp_server.h"
+#include "src/core/lib/iomgr/udp_server.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -52,20 +52,19 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/un.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/support/string.h"
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/sync.h>
 #include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 
 #define INIT_PORT_CAP 2
 
@@ -77,7 +76,6 @@ typedef struct {
   union {
     uint8_t untyped[GRPC_MAX_SOCKADDR_SIZE];
     struct sockaddr sockaddr;
-    struct sockaddr_un un;
   } addr;
   size_t addr_len;
   grpc_closure read_closure;
@@ -85,14 +83,6 @@ typedef struct {
   grpc_udp_server_read_cb read_cb;
 } server_port;
 
-static void unlink_if_unix_domain_socket(const struct sockaddr_un *un) {
-  struct stat st;
-
-  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
-    unlink(un->sun_path);
-  }
-}
-
 /* the overall server */
 struct grpc_udp_server {
   gpr_mu mu;
@@ -176,9 +166,7 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) {
   if (s->nports) {
     for (i = 0; i < s->nports; i++) {
       server_port *sp = &s->ports[i];
-      if (sp->addr.sockaddr.sa_family == AF_UNIX) {
-        unlink_if_unix_domain_socket(&sp->addr.un);
-      }
+      grpc_unlink_if_unix_domain_socket(&sp->addr.sockaddr);
       sp->destroyed_closure.cb = destroyed_port;
       sp->destroyed_closure.cb_arg = s;
       grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL,
@@ -218,8 +206,6 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
                           size_t addr_len) {
   struct sockaddr_storage sockname_temp;
   socklen_t sockname_len;
-  int get_local_ip;
-  int rc;
 
   if (fd < 0) {
     goto error;
@@ -230,14 +216,9 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
             strerror(errno));
   }
 
-  get_local_ip = 1;
-  rc = setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &get_local_ip,
-                  sizeof(get_local_ip));
-  if (rc == 0 && addr->sa_family == AF_INET6) {
-#if !defined(__APPLE__)
-    rc = setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &get_local_ip,
-                    sizeof(get_local_ip));
-#endif
+  if (grpc_set_socket_ip_pktinfo_if_possible(fd) &&
+      addr->sa_family == AF_INET6) {
+    grpc_set_socket_ipv6_recvpktinfo_if_possible(fd);
   }
 
   GPR_ASSERT(addr_len < ~(socklen_t)0);
@@ -336,9 +317,7 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
   socklen_t sockname_len;
   int port;
 
-  if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
-    unlink_if_unix_domain_socket(addr);
-  }
+  grpc_unlink_if_unix_domain_socket((struct sockaddr *)addr);
 
   /* Check if this is a wildcard port, and if so, try to keep the port the same
      as some previously created listener. */
@@ -349,7 +328,7 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
                            &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
diff --git a/src/core/iomgr/udp_server.h b/src/core/lib/iomgr/udp_server.h
index 73a21c80ab..d8cf957a22 100644
--- a/src/core/iomgr/udp_server.h
+++ b/src/core/lib/iomgr/udp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,22 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H
-#define GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H
+#ifndef GRPC_CORE_LIB_IOMGR_UDP_SERVER_H
+#define GRPC_CORE_LIB_IOMGR_UDP_SERVER_H
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
-/* Forward decl of grpc_server */
-typedef struct grpc_server grpc_server;
+/* Forward decl of struct grpc_server */
+/* This is not typedef'ed to avoid a typedef-redefinition error */
+struct grpc_server;
 
 /* Forward decl of grpc_udp_server */
 typedef struct grpc_udp_server grpc_udp_server;
 
 /* Called when data is available to read from the socket. */
 typedef void (*grpc_udp_server_read_cb)(grpc_exec_ctx *exec_ctx, grpc_fd *emfd,
-                                        grpc_server *server);
+                                        struct grpc_server *server);
 
 /* Create a server, initially not bound to any ports */
 grpc_udp_server *grpc_udp_server_create(void);
@@ -52,7 +54,7 @@ grpc_udp_server *grpc_udp_server_create(void);
 /* Start listening to bound ports */
 void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *udp_server,
                            grpc_pollset **pollsets, size_t pollset_count,
-                           grpc_server *server);
+                           struct grpc_server *server);
 
 int grpc_udp_server_get_fd(grpc_udp_server *s, unsigned index);
 
@@ -72,4 +74,4 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
 void grpc_udp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_udp_server *server,
                              grpc_closure *on_done);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_UDP_SERVER_H */
diff --git a/src/core/lib/iomgr/unix_sockets_posix.c b/src/core/lib/iomgr/unix_sockets_posix.c
new file mode 100644
index 0000000000..5767c852df
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix.c
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+void grpc_create_socketpair_if_unix(int sv[2]) {
+  GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
+}
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name) {
+  struct sockaddr_un *un;
+
+  grpc_resolved_addresses *addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
+  addrs->naddrs = 1;
+  addrs->addrs = gpr_malloc(sizeof(grpc_resolved_address));
+  un = (struct sockaddr_un *)addrs->addrs->addr;
+  un->sun_family = AF_UNIX;
+  strcpy(un->sun_path, name);
+  addrs->addrs->len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+  return addrs;
+}
+
+int grpc_is_unix_socket(const struct sockaddr *addr) {
+  return addr->sa_family == AF_UNIX;
+}
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr) {
+  if (addr->sa_family != AF_UNIX) {
+    return;
+  }
+  struct sockaddr_un *un = (struct sockaddr_un *)addr;
+  struct stat st;
+
+  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
+    unlink(un->sun_path);
+  }
+}
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
+  if (addr->sa_family != AF_UNIX) {
+    return NULL;
+  }
+
+  char *result;
+  gpr_asprintf(&result, "unix:%s", ((struct sockaddr_un *)addr)->sun_path);
+  return result;
+}
+
+#endif
diff --git a/src/core/lib/iomgr/unix_sockets_posix.h b/src/core/lib/iomgr/unix_sockets_posix.h
new file mode 100644
index 0000000000..6758c498e5
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix.h
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+
+void grpc_create_socketpair_if_unix(int sv[2]);
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name);
+
+int grpc_is_unix_socket(const struct sockaddr *addr);
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr);
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr);
+
+#endif /* GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H */
diff --git a/src/core/lib/iomgr/unix_sockets_posix_noop.c b/src/core/lib/iomgr/unix_sockets_posix_noop.c
new file mode 100644
index 0000000000..d30952789f
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix_noop.c
@@ -0,0 +1,59 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+
+#ifndef GPR_HAVE_UNIX_SOCKET
+
+#include <grpc/support/log.h>
+
+void grpc_create_socketpair_if_unix(int sv[2]) {
+  // TODO: Either implement this for the non-Unix socket case or make
+  // sure that it is never called in any such case. Until then, leave an
+  // assertion to notify if this gets called inadvertently
+  GPR_ASSERT(0);
+}
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name) {
+  return NULL;
+}
+
+int grpc_is_unix_socket(const struct sockaddr *addr) { return false; }
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr) {}
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
+  return NULL;
+}
+
+#endif
diff --git a/src/core/iomgr/wakeup_fd_eventfd.c b/src/core/lib/iomgr/wakeup_fd_eventfd.c
index f67379e4fc..8a772add13 100644
--- a/src/core/iomgr/wakeup_fd_eventfd.c
+++ b/src/core/lib/iomgr/wakeup_fd_eventfd.c
@@ -41,8 +41,8 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void eventfd_create(grpc_wakeup_fd* fd_info) {
   int efd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
diff --git a/src/core/iomgr/wakeup_fd_nospecial.c b/src/core/lib/iomgr/wakeup_fd_nospecial.c
index 78d763c103..cb2f707dc5 100644
--- a/src/core/iomgr/wakeup_fd_nospecial.c
+++ b/src/core/lib/iomgr/wakeup_fd_nospecial.c
@@ -40,8 +40,8 @@
 
 #ifdef GPR_POSIX_NO_SPECIAL_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
 #include <stddef.h>
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 static int check_availability_invalid(void) { return 0; }
 
diff --git a/src/core/iomgr/wakeup_fd_pipe.c b/src/core/lib/iomgr/wakeup_fd_pipe.c
index 80de181d9d..e9b9a0119f 100644
--- a/src/core/iomgr/wakeup_fd_pipe.c
+++ b/src/core/lib/iomgr/wakeup_fd_pipe.c
@@ -35,19 +35,24 @@
 
 #ifdef GPR_POSIX_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/socket_utils_posix.h"
 #include <grpc/support/log.h>
 
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+
 static void pipe_init(grpc_wakeup_fd* fd_info) {
   int pipefd[2];
   /* TODO(klempner): Make this nonfatal */
-  GPR_ASSERT(0 == pipe(pipefd));
+  int r = pipe(pipefd);
+  if (0 != r) {
+    gpr_log(GPR_ERROR, "pipe creation failed (%d): %s", errno, strerror(errno));
+    abort();
+  }
   GPR_ASSERT(grpc_set_socket_nonblocking(pipefd[0], 1));
   GPR_ASSERT(grpc_set_socket_nonblocking(pipefd[1], 1));
   fd_info->read_fd = pipefd[0];
diff --git a/src/core/iomgr/wakeup_fd_pipe.h b/src/core/lib/iomgr/wakeup_fd_pipe.h
index 01a13a97c0..8972efc270 100644
--- a/src/core/iomgr/wakeup_fd_pipe.h
+++ b/src/core/lib/iomgr/wakeup_fd_pipe.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H
-#define GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H
+#ifndef GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H
+#define GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 extern grpc_wakeup_fd_vtable grpc_pipe_wakeup_fd_vtable;
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H */
diff --git a/src/core/iomgr/wakeup_fd_posix.c b/src/core/lib/iomgr/wakeup_fd_posix.c
index f40be081b0..525369c356 100644
--- a/src/core/iomgr/wakeup_fd_posix.c
+++ b/src/core/lib/iomgr/wakeup_fd_posix.c
@@ -35,9 +35,9 @@
 
 #ifdef GPR_POSIX_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
-#include "src/core/iomgr/wakeup_fd_pipe.h"
 #include <stddef.h>
+#include "src/core/lib/iomgr/wakeup_fd_pipe.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 static const grpc_wakeup_fd_vtable *wakeup_fd_vtable = NULL;
 int grpc_allow_specialized_wakeup_fd = 1;
diff --git a/src/core/iomgr/wakeup_fd_posix.h b/src/core/lib/iomgr/wakeup_fd_posix.h
index ffd60d1d4e..6b069c1837 100644
--- a/src/core/iomgr/wakeup_fd_posix.h
+++ b/src/core/lib/iomgr/wakeup_fd_posix.h
@@ -59,8 +59,8 @@
  * 2. If the polling thread was awakened by a wakeup_fd event, call
  *    grpc_wakeup_fd_consume_wakeup() on it.
  */
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H
 
 void grpc_wakeup_fd_global_init(void);
 void grpc_wakeup_fd_global_destroy(void);
@@ -98,4 +98,4 @@ void grpc_wakeup_fd_destroy(grpc_wakeup_fd* fd_info);
  * wakeup_fd_nospecial.c if no such implementation exists. */
 extern const grpc_wakeup_fd_vtable grpc_specialized_wakeup_fd_vtable;
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H */
diff --git a/src/core/iomgr/workqueue.h b/src/core/lib/iomgr/workqueue.h
index 36dd133468..3e2b223670 100644
--- a/src/core/iomgr/workqueue.h
+++ b/src/core/lib/iomgr/workqueue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_H
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/closure.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset.h"
 
 #ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/workqueue_posix.h"
+#include "src/core/lib/iomgr/workqueue_posix.h"
 #endif
 
 #ifdef GPR_WIN32
-#include "src/core/iomgr/workqueue_windows.h"
+#include "src/core/lib/iomgr/workqueue_windows.h"
 #endif
 
 /* grpc_workqueue is forward declared in exec_ctx.h */
@@ -80,4 +80,4 @@ void grpc_workqueue_add_to_pollset(grpc_exec_ctx *exec_ctx,
 void grpc_workqueue_push(grpc_workqueue *workqueue, grpc_closure *closure,
                          int success);
 
-#endif
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_H */
diff --git a/src/core/iomgr/workqueue_posix.c b/src/core/lib/iomgr/workqueue_posix.c
index da11df67ef..80e7a0b206 100644
--- a/src/core/iomgr/workqueue_posix.c
+++ b/src/core/lib/iomgr/workqueue_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #include <stdio.h>
 
@@ -43,7 +43,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 static void on_readable(grpc_exec_ctx *exec_ctx, void *arg, bool success);
 
@@ -106,7 +106,7 @@ void grpc_workqueue_flush(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue) {
   if (grpc_closure_list_empty(workqueue->closure_list)) {
     grpc_wakeup_fd_wakeup(&workqueue->wakeup_fd);
   }
-  grpc_closure_list_move(&exec_ctx->closure_list, &workqueue->closure_list);
+  grpc_exec_ctx_enqueue_list(exec_ctx, &workqueue->closure_list, NULL);
   gpr_mu_unlock(&workqueue->mu);
 }
 
@@ -122,7 +122,7 @@ static void on_readable(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
     gpr_free(workqueue);
   } else {
     gpr_mu_lock(&workqueue->mu);
-    grpc_closure_list_move(&workqueue->closure_list, &exec_ctx->closure_list);
+    grpc_exec_ctx_enqueue_list(exec_ctx, &workqueue->closure_list, NULL);
     grpc_wakeup_fd_consume_wakeup(&workqueue->wakeup_fd);
     gpr_mu_unlock(&workqueue->mu);
     grpc_fd_notify_on_read(exec_ctx, workqueue->wakeup_read_fd,
diff --git a/src/core/iomgr/workqueue_posix.h b/src/core/lib/iomgr/workqueue_posix.h
index 589034fe1b..dcb47e7b59 100644
--- a/src/core/iomgr/workqueue_posix.h
+++ b/src/core/lib/iomgr/workqueue_posix.h
@@ -31,8 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H
+
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 struct grpc_fd;
 
@@ -48,4 +50,4 @@ struct grpc_workqueue {
   grpc_closure read_closure;
 };
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H */
diff --git a/src/core/iomgr/workqueue_windows.c b/src/core/lib/iomgr/workqueue_windows.c
index f9ca57557b..c3c0446a57 100644
--- a/src/core/iomgr/workqueue_windows.c
+++ b/src/core/lib/iomgr/workqueue_windows.c
@@ -35,6 +35,6 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #endif /* GPR_WIN32 */
diff --git a/src/core/iomgr/workqueue_windows.h b/src/core/lib/iomgr/workqueue_windows.h
index 941f195f51..e5d59130bb 100644
--- a/src/core/iomgr/workqueue_windows.h
+++ b/src/core/lib/iomgr/workqueue_windows.h
@@ -31,7 +31,7 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H */
diff --git a/src/core/json/json.c b/src/core/lib/json/json.c
index 96e11eebb1..5b583a1f2e 100644
--- a/src/core/json/json.c
+++ b/src/core/lib/json/json.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/json/json.h"
+#include "src/core/lib/json/json.h"
 
 grpc_json *grpc_json_create(grpc_json_type type) {
   grpc_json *json = gpr_malloc(sizeof(*json));
diff --git a/src/core/json/json.h b/src/core/lib/json/json.h
index c4df2998c3..681df4bb77 100644
--- a/src/core/json/json.h
+++ b/src/core/lib/json/json.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_H
+#define GRPC_CORE_LIB_JSON_JSON_H
 
 #include <stdlib.h>
 
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 /* A tree-like structure to hold json values. The key and value pointers
  * are not owned by it.
@@ -85,4 +85,4 @@ char *grpc_json_dump_to_string(grpc_json *json, int indent);
 grpc_json *grpc_json_create(grpc_json_type type);
 void grpc_json_destroy(grpc_json *json);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_H */
diff --git a/src/core/json/json_common.h b/src/core/lib/json/json_common.h
index 481695b38b..fa13088be9 100644
--- a/src/core/json/json_common.h
+++ b/src/core/lib/json/json_common.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_COMMON_H
+#define GRPC_CORE_LIB_JSON_JSON_COMMON_H
 
 /* The various json types. */
 typedef enum {
@@ -46,4 +46,4 @@ typedef enum {
   GRPC_JSON_TOP_LEVEL
 } grpc_json_type;
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_COMMON_H */
diff --git a/src/core/json/json_reader.c b/src/core/lib/json/json_reader.c
index 30da6f28f3..bc04bccc65 100644
--- a/src/core/json/json_reader.c
+++ b/src/core/lib/json/json_reader.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/json/json_reader.h"
+#include "src/core/lib/json/json_reader.h"
 
 static void json_reader_string_clear(grpc_json_reader *reader) {
   reader->vtable->string_clear(reader->userdata);
@@ -180,6 +180,13 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
           case GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL:
           case GRPC_JSON_STATE_VALUE_NUMBER_ZERO:
           case GRPC_JSON_STATE_VALUE_NUMBER_EPM:
+            if (reader->depth == 0) {
+              return GRPC_JSON_PARSE_ERROR;
+            } else if ((c == '}') && !reader->in_object) {
+              return GRPC_JSON_PARSE_ERROR;
+            } else if ((c == ']') && !reader->in_array) {
+              return GRPC_JSON_PARSE_ERROR;
+            }
             success = (uint32_t)json_reader_set_number(reader);
             if (!success) return GRPC_JSON_PARSE_ERROR;
             json_reader_string_clear(reader);
@@ -195,8 +202,10 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
               }
               if (reader->in_object) {
                 reader->state = GRPC_JSON_STATE_OBJECT_KEY_BEGIN;
-              } else {
+              } else if (reader->in_array) {
                 reader->state = GRPC_JSON_STATE_VALUE_BEGIN;
+              } else {
+                return GRPC_JSON_PARSE_ERROR;
               }
             } else {
               if (reader->depth-- == 0) return GRPC_JSON_PARSE_ERROR;
@@ -280,13 +289,14 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
             break;
 
           case GRPC_JSON_STATE_OBJECT_KEY_STRING:
-            GPR_ASSERT(reader->unicode_high_surrogate == 0);
+            if (reader->unicode_high_surrogate != 0)
+              return GRPC_JSON_PARSE_ERROR;
             if (c == '"') {
               reader->state = GRPC_JSON_STATE_OBJECT_KEY_END;
               json_reader_set_key(reader);
               json_reader_string_clear(reader);
             } else {
-              if (c <= 0x001f) return GRPC_JSON_PARSE_ERROR;
+              if (c < 32) return GRPC_JSON_PARSE_ERROR;
               json_reader_string_add_char(reader, c);
             }
             break;
@@ -362,6 +372,8 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
                 reader->in_object = 0;
                 reader->in_array = 1;
                 break;
+              default:
+                return GRPC_JSON_PARSE_ERROR;
             }
             break;
 
diff --git a/src/core/json/json_reader.h b/src/core/lib/json/json_reader.h
index 90b9f1f9fe..e0322c5507 100644
--- a/src/core/json/json_reader.h
+++ b/src/core/lib/json/json_reader.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_READER_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_READER_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_READER_H
+#define GRPC_CORE_LIB_JSON_JSON_READER_H
 
 #include <grpc/support/port_platform.h>
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 typedef enum {
   GRPC_JSON_STATE_OBJECT_KEY_BEGIN,
@@ -157,4 +157,4 @@ void grpc_json_reader_init(grpc_json_reader *reader,
  */
 int grpc_json_reader_is_complete(grpc_json_reader *reader);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_READER_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_READER_H */
diff --git a/src/core/json/json_string.c b/src/core/lib/json/json_string.c
index 2bc0b513d5..4af7ee7179 100644
--- a/src/core/json/json_string.c
+++ b/src/core/lib/json/json_string.c
@@ -31,15 +31,15 @@
  *
  */
 
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/json/json.h"
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 /* The json reader will construct a bunch of grpc_json objects and
  * link them all up together in a tree-like structure that will represent
diff --git a/src/core/json/json_writer.c b/src/core/lib/json/json_writer.c
index 326ec2d431..b6a17f41e8 100644
--- a/src/core/json/json_writer.c
+++ b/src/core/lib/json/json_writer.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/port_platform.h>
 
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_writer.h"
 
 static void json_writer_output_char(grpc_json_writer *writer, char c) {
   writer->vtable->output_char(writer->userdata, c);
diff --git a/src/core/json/json_writer.h b/src/core/lib/json/json_writer.h
index 9ef04aab01..faeb41d031 100644
--- a/src/core/json/json_writer.h
+++ b/src/core/lib/json/json_writer.h
@@ -43,12 +43,12 @@
  * a valid UTF-8 string overall.
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_WRITER_H
+#define GRPC_CORE_LIB_JSON_JSON_WRITER_H
 
 #include <stdlib.h>
 
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 typedef struct grpc_json_writer_vtable {
   /* Adds a character to the output stream. */
@@ -94,4 +94,4 @@ void grpc_json_writer_value_raw_with_len(grpc_json_writer *writer,
 void grpc_json_writer_value_string(grpc_json_writer *writer,
                                    const char *string);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_WRITER_H */
diff --git a/src/core/profiling/basic_timers.c b/src/core/lib/profiling/basic_timers.c
index df32472d1c..50082cd7ee 100644
--- a/src/core/profiling/basic_timers.c
+++ b/src/core/lib/profiling/basic_timers.c
@@ -35,13 +35,13 @@
 
 #ifdef GRPC_BASIC_PROFILER
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/time.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <stdio.h>
 
 typedef enum { BEGIN = '{', END = '}', MARK = '.' } marker_type;
@@ -208,6 +208,7 @@ static void init_output() {
 }
 
 static void rotate_log() {
+  /* Using malloc here, as this code could end up being called by gpr_malloc */
   gpr_timer_log *new = malloc(sizeof(*new));
   gpr_once_init(&g_once_init, init_output);
   new->num_entries = 0;
diff --git a/src/core/profiling/stap_probes.d b/src/core/lib/profiling/stap_probes.d
index 153de91752..153de91752 100644
--- a/src/core/profiling/stap_probes.d
+++ b/src/core/lib/profiling/stap_probes.d
diff --git a/src/core/profiling/stap_timers.c b/src/core/lib/profiling/stap_timers.c
index efcd1af4a1..25e38e6d99 100644
--- a/src/core/profiling/stap_timers.c
+++ b/src/core/lib/profiling/stap_timers.c
@@ -35,11 +35,11 @@
 
 #ifdef GRPC_STAP_PROFILER
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #include <sys/sdt.h>
 /* Generated from src/core/profiling/stap_probes.d */
-#include "src/core/profiling/stap_probes.h"
+#include "src/core/lib/profiling/stap_probes.h"
 
 /* Latency profiler API implementation. */
 void gpr_timer_add_mark(int tag, const char *tagstr, void *id, const char *file,
diff --git a/src/core/profiling/timers.h b/src/core/lib/profiling/timers.h
index 6a188dc566..c8567e8137 100644
--- a/src/core/profiling/timers.h
+++ b/src/core/lib/profiling/timers.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_PROFILING_TIMERS_H
-#define GRPC_CORE_PROFILING_TIMERS_H
+#ifndef GRPC_CORE_LIB_PROFILING_TIMERS_H
+#define GRPC_CORE_LIB_PROFILING_TIMERS_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -116,4 +116,4 @@ class ProfileScope {
 #endif
 #endif
 
-#endif /* GRPC_CORE_PROFILING_TIMERS_H */
+#endif /* GRPC_CORE_LIB_PROFILING_TIMERS_H */
diff --git a/src/core/security/auth_filters.h b/src/core/lib/security/auth_filters.h
index c179b54bec..7fb56c3f3a 100644
--- a/src/core/security/auth_filters.h
+++ b/src/core/lib/security/auth_filters.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H
-#define GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H
+#ifndef GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H
+#define GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 extern const grpc_channel_filter grpc_client_auth_filter;
 extern const grpc_channel_filter grpc_server_auth_filter;
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H */
+#endif /* GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H */
diff --git a/src/core/security/base64.c b/src/core/lib/security/b64.c
index 8367c160c3..87f0e05280 100644
--- a/src/core/security/base64.c
+++ b/src/core/lib/security/b64.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/base64.h"
+#include "src/core/lib/security/b64.h"
 
 #include <stdint.h>
 #include <string.h>
diff --git a/src/core/security/base64.h b/src/core/lib/security/b64.h
index 31ae982691..c515e7af2c 100644
--- a/src/core/security/base64.h
+++ b/src/core/lib/security/b64.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_BASE64_H
-#define GRPC_INTERNAL_CORE_SECURITY_BASE64_H
+#ifndef GRPC_CORE_LIB_SECURITY_B64_H
+#define GRPC_CORE_LIB_SECURITY_B64_H
 
 #include <grpc/support/slice.h>
 
@@ -49,4 +49,4 @@ gpr_slice grpc_base64_decode(const char *b64, int url_safe);
 gpr_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len,
                                       int url_safe);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_BASE64_H */
+#endif /* GRPC_CORE_LIB_SECURITY_B64_H */
diff --git a/src/core/security/client_auth_filter.c b/src/core/lib/security/client_auth_filter.c
index 57b367d00f..943b1da85c 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/lib/security/client_auth_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/auth_filters.h"
+#include "src/core/lib/security/auth_filters.h"
 
 #include <string.h>
 
@@ -39,13 +39,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/call.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 #define MAX_CREDENTIALS_METADATA_COUNT 4
 
@@ -172,7 +172,7 @@ static void send_security_metadata(grpc_exec_ctx *exec_ctx,
     calld->creds = grpc_composite_call_credentials_create(channel_call_creds,
                                                           ctx->creds, NULL);
     if (calld->creds == NULL) {
-      bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT,
+      bubble_up_error(exec_ctx, elem, GRPC_STATUS_INTERNAL,
                       "Incompatible credentials set on channel and call.");
       return;
     }
@@ -201,7 +201,7 @@ static void on_host_checked(grpc_exec_ctx *exec_ctx, void *user_data,
     char *error_msg;
     gpr_asprintf(&error_msg, "Invalid host %s set in :authority metadata.",
                  grpc_mdstr_as_c_string(calld->host));
-    bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT, error_msg);
+    bubble_up_error(exec_ctx, elem, GRPC_STATUS_INTERNAL, error_msg);
     gpr_free(error_msg);
   }
 }
@@ -310,7 +310,6 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
   GPR_ASSERT(auth_context != NULL);
 
   /* initialize members */
-  GPR_ASSERT(sc->is_client_side);
   chand->security_connector =
       (grpc_channel_security_connector *)GRPC_SECURITY_CONNECTOR_REF(
           sc, "client_auth_filter");
@@ -332,6 +331,6 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 
 const grpc_channel_filter grpc_client_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
-    "client-auth"};
+    init_call_elem,          set_pollset,          destroy_call_elem,
+    sizeof(channel_data),    init_channel_elem,    destroy_channel_elem,
+    grpc_call_next_get_peer, "client-auth"};
diff --git a/src/core/security/credentials.c b/src/core/lib/security/credentials.c
index c58574bd6d..2c7d31519c 100644
--- a/src/core/security/credentials.c
+++ b/src/core/lib/security/credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,19 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/executor.h"
-#include "src/core/json/json.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -166,7 +167,7 @@ void grpc_server_credentials_release(grpc_server_credentials *creds) {
 }
 
 grpc_security_status grpc_server_credentials_create_security_connector(
-    grpc_server_credentials *creds, grpc_security_connector **sc) {
+    grpc_server_credentials *creds, grpc_server_security_connector **sc) {
   if (creds == NULL || creds->vtable->create_security_connector == NULL) {
     gpr_log(GPR_ERROR, "Server credentials cannot create security context.");
     return GRPC_SECURITY_ERROR;
@@ -298,7 +299,7 @@ static grpc_security_status ssl_create_security_connector(
 }
 
 static grpc_security_status ssl_server_create_security_connector(
-    grpc_server_credentials *creds, grpc_security_connector **sc) {
+    grpc_server_credentials *creds, grpc_server_security_connector **sc) {
   grpc_ssl_server_credentials *c = (grpc_ssl_server_credentials *)creds;
   return grpc_ssl_server_security_connector_create(&c->config, sc);
 }
@@ -539,7 +540,7 @@ static void oauth2_token_fetcher_destruct(grpc_call_credentials *creds) {
 
 grpc_credentials_status
 grpc_oauth2_token_fetcher_credentials_parse_server_response(
-    const grpc_httpcli_response *response, grpc_credentials_md_store **token_md,
+    const grpc_http_response *response, grpc_credentials_md_store **token_md,
     gpr_timespec *token_lifetime) {
   char *null_terminated_body = NULL;
   char *new_access_token = NULL;
@@ -629,7 +630,7 @@ end:
 
 static void on_oauth2_token_fetcher_http_response(
     grpc_exec_ctx *exec_ctx, void *user_data,
-    const grpc_httpcli_response *response) {
+    const grpc_http_response *response) {
   grpc_credentials_metadata_request *r =
       (grpc_credentials_metadata_request *)user_data;
   grpc_oauth2_token_fetcher_credentials *c =
@@ -706,13 +707,13 @@ static void compute_engine_fetch_oauth2(
     grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *metadata_req,
     grpc_httpcli_context *httpcli_context, grpc_pollset *pollset,
     grpc_httpcli_response_cb response_cb, gpr_timespec deadline) {
-  grpc_httpcli_header header = {"Metadata-Flavor", "Google"};
+  grpc_http_header header = {"Metadata-Flavor", "Google"};
   grpc_httpcli_request request;
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_COMPUTE_ENGINE_METADATA_HOST;
-  request.path = GRPC_COMPUTE_ENGINE_METADATA_TOKEN_PATH;
-  request.hdr_count = 1;
-  request.hdrs = &header;
+  request.http.path = GRPC_COMPUTE_ENGINE_METADATA_TOKEN_PATH;
+  request.http.hdr_count = 1;
+  request.http.hdrs = &header;
   grpc_httpcli_get(exec_ctx, httpcli_context, pollset, &request, deadline,
                    response_cb, metadata_req);
 }
@@ -747,8 +748,8 @@ static void refresh_token_fetch_oauth2(
     grpc_httpcli_response_cb response_cb, gpr_timespec deadline) {
   grpc_google_refresh_token_credentials *c =
       (grpc_google_refresh_token_credentials *)metadata_req->creds;
-  grpc_httpcli_header header = {"Content-Type",
-                                "application/x-www-form-urlencoded"};
+  grpc_http_header header = {"Content-Type",
+                             "application/x-www-form-urlencoded"};
   grpc_httpcli_request request;
   char *body = NULL;
   gpr_asprintf(&body, GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING,
@@ -756,9 +757,9 @@ static void refresh_token_fetch_oauth2(
                c->refresh_token.refresh_token);
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_GOOGLE_OAUTH2_SERVICE_HOST;
-  request.path = GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH;
-  request.hdr_count = 1;
-  request.hdrs = &header;
+  request.http.path = GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH;
+  request.http.hdr_count = 1;
+  request.http.hdrs = &header;
   request.handshaker = &grpc_httpcli_ssl;
   grpc_httpcli_post(exec_ctx, httpcli_context, pollset, &request, body,
                     strlen(body), deadline, response_cb, metadata_req);
@@ -894,7 +895,7 @@ static grpc_security_status fake_transport_security_create_security_connector(
 
 static grpc_security_status
 fake_transport_security_server_create_security_connector(
-    grpc_server_credentials *c, grpc_security_connector **sc) {
+    grpc_server_credentials *c, grpc_server_security_connector **sc) {
   *sc = grpc_fake_server_security_connector_create();
   return GRPC_SECURITY_OK;
 }
diff --git a/src/core/security/credentials.h b/src/core/lib/security/credentials.h
index 3cd652cd57..0373ceaa3f 100644
--- a/src/core/security/credentials.h
+++ b/src/core/lib/security/credentials.h
@@ -31,19 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
-#define GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
+#ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_H
+#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_H
 
-#include "src/core/transport/metadata_batch.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/transport/metadata_batch.h"
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/json_token.h"
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/security/security_connector.h"
 
-struct grpc_httpcli_response;
+struct grpc_http_response;
 
 /* --- Constants. --- */
 
@@ -207,7 +208,7 @@ grpc_call_credentials *grpc_credentials_contains_type(
 /* Exposed for testing only. */
 grpc_credentials_status
 grpc_oauth2_token_fetcher_credentials_parse_server_response(
-    const struct grpc_httpcli_response *response,
+    const struct grpc_http_response *response,
     grpc_credentials_md_store **token_md, gpr_timespec *token_lifetime);
 
 void grpc_flush_cached_google_default_credentials(void);
@@ -234,7 +235,7 @@ grpc_refresh_token_credentials_create_from_auth_refresh_token(
 typedef struct {
   void (*destruct)(grpc_server_credentials *c);
   grpc_security_status (*create_security_connector)(
-      grpc_server_credentials *c, grpc_security_connector **sc);
+      grpc_server_credentials *c, grpc_server_security_connector **sc);
 } grpc_server_credentials_vtable;
 
 struct grpc_server_credentials {
@@ -245,7 +246,7 @@ struct grpc_server_credentials {
 };
 
 grpc_security_status grpc_server_credentials_create_security_connector(
-    grpc_server_credentials *creds, grpc_security_connector **sc);
+    grpc_server_credentials *creds, grpc_server_security_connector **sc);
 
 grpc_server_credentials *grpc_server_credentials_ref(
     grpc_server_credentials *creds);
@@ -373,4 +374,4 @@ typedef struct {
   grpc_credentials_md_store *plugin_md;
 } grpc_plugin_credentials;
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H */
+#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_H */
diff --git a/src/core/security/credentials_metadata.c b/src/core/lib/security/credentials_metadata.c
index b8a132f1ea..bd00194278 100644
--- a/src/core/security/credentials_metadata.c
+++ b/src/core/lib/security/credentials_metadata.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 
diff --git a/src/core/security/credentials_posix.c b/src/core/lib/security/credentials_posix.c
index 0c92bd4a96..a07de182a0 100644
--- a/src/core/security/credentials_posix.c
+++ b/src/core/lib/security/credentials_posix.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_POSIX_FILE
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 char *grpc_get_well_known_google_credentials_file_path_impl(void) {
   char *result = NULL;
diff --git a/src/core/security/credentials_win32.c b/src/core/lib/security/credentials_win32.c
index 8ee9f706a1..d29847af38 100644
--- a/src/core/security/credentials_win32.c
+++ b/src/core/lib/security/credentials_win32.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 char *grpc_get_well_known_google_credentials_file_path_impl(void) {
   char *result = NULL;
diff --git a/src/core/security/google_default_credentials.c b/src/core/lib/security/google_default_credentials.c
index f3ac14568a..236f1d7fa7 100644
--- a/src/core/security/google_default_credentials.c
+++ b/src/core/lib/security/google_default_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <string.h>
 
@@ -39,10 +39,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/surface/api_trace.h"
 
 /* -- Constants. -- */
 
@@ -52,27 +53,28 @@
 
 static grpc_channel_credentials *default_credentials = NULL;
 static int compute_engine_detection_done = 0;
-static gpr_mu g_mu;
+static gpr_mu g_state_mu;
+static gpr_mu *g_polling_mu;
 static gpr_once g_once = GPR_ONCE_INIT;
 
-static void init_default_credentials(void) { gpr_mu_init(&g_mu); }
+static void init_default_credentials(void) { gpr_mu_init(&g_state_mu); }
 
 typedef struct {
-  grpc_pollset pollset;
+  grpc_pollset *pollset;
   int is_done;
   int success;
 } compute_engine_detector;
 
 static void on_compute_engine_detection_http_response(
     grpc_exec_ctx *exec_ctx, void *user_data,
-    const grpc_httpcli_response *response) {
+    const grpc_http_response *response) {
   compute_engine_detector *detector = (compute_engine_detector *)user_data;
   if (response != NULL && response->status == 200 && response->hdr_count > 0) {
     /* Internet providers can return a generic response to all requests, so
        it is necessary to check that metadata header is present also. */
     size_t i;
     for (i = 0; i < response->hdr_count; i++) {
-      grpc_httpcli_header *header = &response->hdrs[i];
+      grpc_http_header *header = &response->hdrs[i];
       if (strcmp(header->key, "Metadata-Flavor") == 0 &&
           strcmp(header->value, "Google") == 0) {
         detector->success = 1;
@@ -80,10 +82,10 @@ static void on_compute_engine_detection_http_response(
       }
     }
   }
-  gpr_mu_lock(GRPC_POLLSET_MU(&detector->pollset));
+  gpr_mu_lock(g_polling_mu);
   detector->is_done = 1;
-  grpc_pollset_kick(&detector->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&detector->pollset));
+  grpc_pollset_kick(detector->pollset, NULL);
+  gpr_mu_unlock(g_polling_mu);
 }
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool s) {
@@ -101,18 +103,19 @@ static int is_stack_running_on_compute_engine(void) {
      on compute engine. */
   gpr_timespec max_detection_delay = gpr_time_from_seconds(1, GPR_TIMESPAN);
 
-  grpc_pollset_init(&detector.pollset);
+  detector.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(detector.pollset, &g_polling_mu);
   detector.is_done = 0;
   detector.success = 0;
 
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_COMPUTE_ENGINE_DETECTION_HOST;
-  request.path = "/";
+  request.http.path = "/";
 
   grpc_httpcli_context_init(&context);
 
   grpc_httpcli_get(
-      &exec_ctx, &context, &detector.pollset, &request,
+      &exec_ctx, &context, detector.pollset, &request,
       gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), max_detection_delay),
       on_compute_engine_detection_http_response, &detector);
 
@@ -120,19 +123,22 @@ static int is_stack_running_on_compute_engine(void) {
 
   /* Block until we get the response. This is not ideal but this should only be
      called once for the lifetime of the process by the default credentials. */
-  gpr_mu_lock(GRPC_POLLSET_MU(&detector.pollset));
+  gpr_mu_lock(g_polling_mu);
   while (!detector.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &detector.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, detector.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&detector.pollset));
+  gpr_mu_unlock(g_polling_mu);
 
   grpc_httpcli_context_destroy(&context);
-  grpc_closure_init(&destroy_closure, destroy_pollset, &detector.pollset);
-  grpc_pollset_shutdown(&exec_ctx, &detector.pollset, &destroy_closure);
+  grpc_closure_init(&destroy_closure, destroy_pollset, detector.pollset);
+  grpc_pollset_shutdown(&exec_ctx, detector.pollset, &destroy_closure);
   grpc_exec_ctx_finish(&exec_ctx);
+  g_polling_mu = NULL;
+
+  gpr_free(detector.pollset);
 
   return detector.success;
 }
@@ -184,7 +190,7 @@ grpc_channel_credentials *grpc_google_default_credentials_create(void) {
 
   gpr_once_init(&g_once, init_default_credentials);
 
-  gpr_mu_lock(&g_mu);
+  gpr_mu_lock(&g_state_mu);
 
   if (default_credentials != NULL) {
     result = grpc_channel_credentials_ref(default_credentials);
@@ -230,19 +236,19 @@ end:
       gpr_log(GPR_ERROR, "Could not create google default credentials.");
     }
   }
-  gpr_mu_unlock(&g_mu);
+  gpr_mu_unlock(&g_state_mu);
   return result;
 }
 
 void grpc_flush_cached_google_default_credentials(void) {
   gpr_once_init(&g_once, init_default_credentials);
-  gpr_mu_lock(&g_mu);
+  gpr_mu_lock(&g_state_mu);
   if (default_credentials != NULL) {
     grpc_channel_credentials_unref(default_credentials);
     default_credentials = NULL;
   }
   compute_engine_detection_done = 0;
-  gpr_mu_unlock(&g_mu);
+  gpr_mu_unlock(&g_state_mu);
 }
 
 /* -- Well known credentials path. -- */
diff --git a/src/core/security/handshake.c b/src/core/lib/security/handshake.c
index a8b2fef629..d5fe0c7b7d 100644
--- a/src/core/security/handshake.c
+++ b/src/core/lib/security/handshake.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,21 +31,23 @@
  *
  */
 
-#include "src/core/security/handshake.h"
+#include "src/core/lib/security/handshake.h"
 
+#include <stdbool.h>
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/security/secure_endpoint.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_context.h"
 
 #define GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE 256
 
 typedef struct {
   grpc_security_connector *connector;
   tsi_handshaker *handshaker;
+  bool is_client_side;
   unsigned char *handshake_buffer;
   size_t handshake_buffer_size;
   grpc_endpoint *wrapped_endpoint;
@@ -67,9 +69,11 @@ static void on_handshake_data_sent_to_peer(grpc_exec_ctx *exec_ctx, void *setup,
                                            bool success);
 
 static void security_connector_remove_handshake(grpc_security_handshake *h) {
+  GPR_ASSERT(!h->is_client_side);
   grpc_security_connector_handshake_list *node;
   grpc_security_connector_handshake_list *tmp;
-  grpc_security_connector *sc = h->connector;
+  grpc_server_security_connector *sc =
+      (grpc_server_security_connector *)h->connector;
   gpr_mu_lock(&sc->mu);
   node = sc->handshaking_handshakes;
   if (node && node->handshake == h) {
@@ -94,7 +98,7 @@ static void security_connector_remove_handshake(grpc_security_handshake *h) {
 static void security_handshake_done(grpc_exec_ctx *exec_ctx,
                                     grpc_security_handshake *h,
                                     int is_success) {
-  if (!h->connector->is_client_side) {
+  if (!h->is_client_side) {
     security_connector_remove_handshake(h);
   }
   if (is_success) {
@@ -290,6 +294,7 @@ static void on_handshake_data_sent_to_peer(grpc_exec_ctx *exec_ctx,
 void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
                                 tsi_handshaker *handshaker,
                                 grpc_security_connector *connector,
+                                bool is_client_side,
                                 grpc_endpoint *nonsecure_endpoint,
                                 grpc_security_handshake_done_cb cb,
                                 void *user_data) {
@@ -298,6 +303,7 @@ void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
   memset(h, 0, sizeof(grpc_security_handshake));
   h->handshaker = handshaker;
   h->connector = GRPC_SECURITY_CONNECTOR_REF(connector, "handshake");
+  h->is_client_side = is_client_side;
   h->handshake_buffer_size = GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE;
   h->handshake_buffer = gpr_malloc(h->handshake_buffer_size);
   h->wrapped_endpoint = nonsecure_endpoint;
@@ -310,13 +316,15 @@ void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
   gpr_slice_buffer_init(&h->left_overs);
   gpr_slice_buffer_init(&h->outgoing);
   gpr_slice_buffer_init(&h->incoming);
-  if (!connector->is_client_side) {
+  if (!is_client_side) {
+    grpc_server_security_connector *server_connector =
+        (grpc_server_security_connector *)connector;
     handshake_node = gpr_malloc(sizeof(grpc_security_connector_handshake_list));
     handshake_node->handshake = h;
-    gpr_mu_lock(&connector->mu);
-    handshake_node->next = connector->handshaking_handshakes;
-    connector->handshaking_handshakes = handshake_node;
-    gpr_mu_unlock(&connector->mu);
+    gpr_mu_lock(&server_connector->mu);
+    handshake_node->next = server_connector->handshaking_handshakes;
+    server_connector->handshaking_handshakes = handshake_node;
+    gpr_mu_unlock(&server_connector->mu);
   }
   send_handshake_bytes_to_peer(exec_ctx, h);
 }
diff --git a/src/core/security/handshake.h b/src/core/lib/security/handshake.h
index 44215d16ef..f34476ed49 100644
--- a/src/core/security/handshake.h
+++ b/src/core/lib/security/handshake.h
@@ -31,20 +31,21 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H
-#define GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H
+#ifndef GRPC_CORE_LIB_SECURITY_HANDSHAKE_H
+#define GRPC_CORE_LIB_SECURITY_HANDSHAKE_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/security/security_connector.h"
 
 /* Calls the callback upon completion. Takes owership of handshaker. */
 void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
                                 tsi_handshaker *handshaker,
                                 grpc_security_connector *connector,
+                                bool is_client_side,
                                 grpc_endpoint *nonsecure_endpoint,
                                 grpc_security_handshake_done_cb cb,
                                 void *user_data);
 
 void grpc_security_handshake_shutdown(grpc_exec_ctx *exec_ctx, void *handshake);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H */
+#endif /* GRPC_CORE_LIB_SECURITY_HANDSHAKE_H */
diff --git a/src/core/security/json_token.c b/src/core/lib/security/json_token.c
index 762f02989a..d5bc2c8d60 100644
--- a/src/core/security/json_token.c
+++ b/src/core/lib/security/json_token.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/json_token.h"
+#include "src/core/lib/security/json_token.h"
 
 #include <string.h>
 
@@ -39,8 +39,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/security/base64.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/support/string.h"
 
 #include <openssl/bio.h>
 #include <openssl/evp.h>
diff --git a/src/core/security/json_token.h b/src/core/lib/security/json_token.h
index 7e06864ff3..123fa652fd 100644
--- a/src/core/security/json_token.h
+++ b/src/core/lib/security/json_token.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H
-#define GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H
+#ifndef GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
+#define GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
 
 #include <grpc/support/slice.h>
 #include <openssl/rsa.h>
 
-#include "src/core/json/json.h"
+#include "src/core/lib/json/json.h"
 
 /* --- Constants. --- */
 
@@ -115,4 +115,4 @@ grpc_auth_refresh_token grpc_auth_refresh_token_create_from_json(
 /* Destructs the object. */
 void grpc_auth_refresh_token_destruct(grpc_auth_refresh_token *refresh_token);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H */
+#endif /* GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H */
diff --git a/src/core/security/jwt_verifier.c b/src/core/lib/security/jwt_verifier.c
index 042a117f5d..0e012294de 100644
--- a/src/core/security/jwt_verifier.c
+++ b/src/core/lib/security/jwt_verifier.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 #include <limits.h>
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/base64.h"
-#include "src/core/tsi/ssl_types.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/tsi/ssl_types.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -635,11 +635,11 @@ static void on_openid_config_retrieved(grpc_exec_ctx *exec_ctx, void *user_data,
   jwks_uri += 8;
   req.handshaker = &grpc_httpcli_ssl;
   req.host = gpr_strdup(jwks_uri);
-  req.path = strchr(jwks_uri, '/');
-  if (req.path == NULL) {
-    req.path = "";
+  req.http.path = strchr(jwks_uri, '/');
+  if (req.http.path == NULL) {
+    req.http.path = "";
   } else {
-    *(req.host + (req.path - jwks_uri)) = '\0';
+    *(req.host + (req.http.path - jwks_uri)) = '\0';
   }
   grpc_httpcli_get(
       exec_ctx, &ctx->verifier->http_ctx, ctx->pollset, &req,
@@ -725,20 +725,20 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx,
     req.host = gpr_strdup(mapping->key_url_prefix);
     path_prefix = strchr(req.host, '/');
     if (path_prefix == NULL) {
-      gpr_asprintf(&req.path, "/%s", iss);
+      gpr_asprintf(&req.http.path, "/%s", iss);
     } else {
       *(path_prefix++) = '\0';
-      gpr_asprintf(&req.path, "/%s/%s", path_prefix, iss);
+      gpr_asprintf(&req.http.path, "/%s/%s", path_prefix, iss);
     }
     http_cb = on_keys_retrieved;
   } else {
     req.host = gpr_strdup(strstr(iss, "https://") == iss ? iss + 8 : iss);
     path_prefix = strchr(req.host, '/');
     if (path_prefix == NULL) {
-      req.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
+      req.http.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
     } else {
       *(path_prefix++) = 0;
-      gpr_asprintf(&req.path, "/%s%s", path_prefix,
+      gpr_asprintf(&req.http.path, "/%s%s", path_prefix,
                    GRPC_OPENID_CONFIG_URL_SUFFIX);
     }
     http_cb = on_openid_config_retrieved;
@@ -749,7 +749,7 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx,
       gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), grpc_jwt_verifier_max_delay),
       http_cb, ctx);
   gpr_free(req.host);
-  gpr_free(req.path);
+  gpr_free(req.http.path);
   return;
 
 error:
diff --git a/src/core/security/jwt_verifier.h b/src/core/lib/security/jwt_verifier.h
index 25613f03a0..98a4f6b116 100644
--- a/src/core/security/jwt_verifier.h
+++ b/src/core/lib/security/jwt_verifier.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
-#define GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
+#ifndef GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H
+#define GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/json/json.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/json/json.h"
 
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
@@ -133,4 +133,4 @@ grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, gpr_slice buffer);
 grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims,
                                                const char *audience);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H */
+#endif /* GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H */
diff --git a/src/core/security/secure_endpoint.c b/src/core/lib/security/secure_endpoint.c
index d11c43be20..27b0e98910 100644
--- a/src/core/security/secure_endpoint.c
+++ b/src/core/lib/security/secure_endpoint.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/secure_endpoint.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/slice_buffer.h>
 #include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 #include <grpc/support/sync.h>
-#include "src/core/tsi/transport_security_interface.h"
-#include "src/core/debug/trace.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #define STAGING_BUFFER_SIZE 8192
 
@@ -354,8 +354,9 @@ static char *endpoint_get_peer(grpc_endpoint *secure_ep) {
 }
 
 static const grpc_endpoint_vtable vtable = {
-    endpoint_read, endpoint_write, endpoint_add_to_pollset,
-    endpoint_add_to_pollset_set, endpoint_shutdown, endpoint_destroy,
+    endpoint_read,           endpoint_write,
+    endpoint_add_to_pollset, endpoint_add_to_pollset_set,
+    endpoint_shutdown,       endpoint_destroy,
     endpoint_get_peer};
 
 grpc_endpoint *grpc_secure_endpoint_create(
diff --git a/src/core/security/secure_endpoint.h b/src/core/lib/security/secure_endpoint.h
index c563bdd9c5..ff1c6639de 100644
--- a/src/core/security/secure_endpoint.h
+++ b/src/core/lib/security/secure_endpoint.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H
+#define GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H
 
-#include "src/core/iomgr/endpoint.h"
 #include <grpc/support/slice.h>
+#include "src/core/lib/iomgr/endpoint.h"
 
 struct tsi_frame_protector;
 
@@ -46,4 +46,4 @@ grpc_endpoint *grpc_secure_endpoint_create(
     struct tsi_frame_protector *protector, grpc_endpoint *to_wrap,
     gpr_slice *leftover_slices, size_t leftover_nslices);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H */
diff --git a/src/core/security/security_connector.c b/src/core/lib/security/security_connector.c
index b46205323b..59863ba064 100644
--- a/src/core/security/security_connector.c
+++ b/src/core/lib/security/security_connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,26 +31,27 @@
  *
  */
 
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/security/security_connector.h"
 
+#include <stdbool.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/security/handshake.h"
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/alpn.h"
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
-#include "src/core/tsi/fake_transport_security.h"
-#include "src/core/tsi/ssl_transport_security.h"
+
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/handshake.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 
 /* -- Constants. -- */
 
@@ -110,31 +111,39 @@ const tsi_peer_property *tsi_peer_get_property_by_name(const tsi_peer *peer,
   return NULL;
 }
 
-void grpc_security_connector_shutdown(grpc_exec_ctx *exec_ctx,
-                                      grpc_security_connector *connector) {
+void grpc_server_security_connector_shutdown(
+    grpc_exec_ctx *exec_ctx, grpc_server_security_connector *connector) {
   grpc_security_connector_handshake_list *tmp;
-  if (!connector->is_client_side) {
-    gpr_mu_lock(&connector->mu);
-    while (connector->handshaking_handshakes) {
-      tmp = connector->handshaking_handshakes;
-      grpc_security_handshake_shutdown(
-          exec_ctx, connector->handshaking_handshakes->handshake);
-      connector->handshaking_handshakes = tmp->next;
-      gpr_free(tmp);
-    }
-    gpr_mu_unlock(&connector->mu);
+  gpr_mu_lock(&connector->mu);
+  while (connector->handshaking_handshakes) {
+    tmp = connector->handshaking_handshakes;
+    grpc_security_handshake_shutdown(
+        exec_ctx, connector->handshaking_handshakes->handshake);
+    connector->handshaking_handshakes = tmp->next;
+    gpr_free(tmp);
   }
+  gpr_mu_unlock(&connector->mu);
 }
 
-void grpc_security_connector_do_handshake(grpc_exec_ctx *exec_ctx,
-                                          grpc_security_connector *sc,
-                                          grpc_endpoint *nonsecure_endpoint,
-                                          grpc_security_handshake_done_cb cb,
-                                          void *user_data) {
+void grpc_channel_security_connector_do_handshake(
+    grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *sc,
+    grpc_endpoint *nonsecure_endpoint, grpc_security_handshake_done_cb cb,
+    void *user_data) {
   if (sc == NULL || nonsecure_endpoint == NULL) {
     cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL);
   } else {
-    sc->vtable->do_handshake(exec_ctx, sc, nonsecure_endpoint, cb, user_data);
+    sc->do_handshake(exec_ctx, sc, nonsecure_endpoint, cb, user_data);
+  }
+}
+
+void grpc_server_security_connector_do_handshake(
+    grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc,
+    grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint,
+    grpc_security_handshake_done_cb cb, void *user_data) {
+  if (sc == NULL || nonsecure_endpoint == NULL) {
+    cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL);
+  } else {
+    sc->do_handshake(exec_ctx, sc, acceptor, nonsecure_endpoint, cb, user_data);
   }
 }
 
@@ -248,7 +257,8 @@ static void fake_channel_destroy(grpc_security_connector *sc) {
 }
 
 static void fake_server_destroy(grpc_security_connector *sc) {
-  gpr_mu_destroy(&sc->mu);
+  grpc_server_security_connector *c = (grpc_server_security_connector *)sc;
+  gpr_mu_destroy(&c->mu);
   gpr_free(sc);
 }
 
@@ -298,49 +308,52 @@ static void fake_channel_check_call_host(grpc_exec_ctx *exec_ctx,
 }
 
 static void fake_channel_do_handshake(grpc_exec_ctx *exec_ctx,
-                                      grpc_security_connector *sc,
+                                      grpc_channel_security_connector *sc,
                                       grpc_endpoint *nonsecure_endpoint,
                                       grpc_security_handshake_done_cb cb,
                                       void *user_data) {
-  grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(1), sc,
-                             nonsecure_endpoint, cb, user_data);
+  grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(1), &sc->base,
+                             true, nonsecure_endpoint, cb, user_data);
 }
 
 static void fake_server_do_handshake(grpc_exec_ctx *exec_ctx,
-                                     grpc_security_connector *sc,
+                                     grpc_server_security_connector *sc,
+                                     grpc_tcp_server_acceptor *acceptor,
                                      grpc_endpoint *nonsecure_endpoint,
                                      grpc_security_handshake_done_cb cb,
                                      void *user_data) {
-  grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(0), sc,
-                             nonsecure_endpoint, cb, user_data);
+  grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(0), &sc->base,
+                             false, nonsecure_endpoint, cb, user_data);
 }
 
 static grpc_security_connector_vtable fake_channel_vtable = {
-    fake_channel_destroy, fake_channel_do_handshake, fake_check_peer};
+    fake_channel_destroy, fake_check_peer};
 
-static grpc_security_connector_vtable fake_server_vtable = {
-    fake_server_destroy, fake_server_do_handshake, fake_check_peer};
+static grpc_security_connector_vtable fake_server_vtable = {fake_server_destroy,
+                                                            fake_check_peer};
 
 grpc_channel_security_connector *grpc_fake_channel_security_connector_create(
     grpc_call_credentials *request_metadata_creds) {
   grpc_channel_security_connector *c = gpr_malloc(sizeof(*c));
   memset(c, 0, sizeof(*c));
   gpr_ref_init(&c->base.refcount, 1);
-  c->base.is_client_side = 1;
   c->base.url_scheme = GRPC_FAKE_SECURITY_URL_SCHEME;
   c->base.vtable = &fake_channel_vtable;
   c->request_metadata_creds = grpc_call_credentials_ref(request_metadata_creds);
   c->check_call_host = fake_channel_check_call_host;
+  c->do_handshake = fake_channel_do_handshake;
   return c;
 }
 
-grpc_security_connector *grpc_fake_server_security_connector_create(void) {
-  grpc_security_connector *c = gpr_malloc(sizeof(grpc_security_connector));
-  memset(c, 0, sizeof(grpc_security_connector));
-  gpr_ref_init(&c->refcount, 1);
-  c->is_client_side = 0;
-  c->vtable = &fake_server_vtable;
-  c->url_scheme = GRPC_FAKE_SECURITY_URL_SCHEME;
+grpc_server_security_connector *grpc_fake_server_security_connector_create(
+    void) {
+  grpc_server_security_connector *c =
+      gpr_malloc(sizeof(grpc_server_security_connector));
+  memset(c, 0, sizeof(*c));
+  gpr_ref_init(&c->base.refcount, 1);
+  c->base.vtable = &fake_server_vtable;
+  c->base.url_scheme = GRPC_FAKE_SECURITY_URL_SCHEME;
+  c->do_handshake = fake_server_do_handshake;
   gpr_mu_init(&c->mu);
   return c;
 }
@@ -355,7 +368,7 @@ typedef struct {
 } grpc_ssl_channel_security_connector;
 
 typedef struct {
-  grpc_security_connector base;
+  grpc_server_security_connector base;
   tsi_ssl_handshaker_factory *handshaker_factory;
 } grpc_ssl_server_security_connector;
 
@@ -378,12 +391,12 @@ static void ssl_server_destroy(grpc_security_connector *sc) {
   if (c->handshaker_factory != NULL) {
     tsi_ssl_handshaker_factory_destroy(c->handshaker_factory);
   }
-  gpr_mu_destroy(&sc->mu);
+  gpr_mu_destroy(&c->base.mu);
   gpr_free(sc);
 }
 
 static grpc_security_status ssl_create_handshaker(
-    tsi_ssl_handshaker_factory *handshaker_factory, int is_client,
+    tsi_ssl_handshaker_factory *handshaker_factory, bool is_client,
     const char *peer_name, tsi_handshaker **handshaker) {
   tsi_result result = TSI_OK;
   if (handshaker_factory == NULL) return GRPC_SECURITY_ERROR;
@@ -398,7 +411,7 @@ static grpc_security_status ssl_create_handshaker(
 }
 
 static void ssl_channel_do_handshake(grpc_exec_ctx *exec_ctx,
-                                     grpc_security_connector *sc,
+                                     grpc_channel_security_connector *sc,
                                      grpc_endpoint *nonsecure_endpoint,
                                      grpc_security_handshake_done_cb cb,
                                      void *user_data) {
@@ -406,20 +419,21 @@ static void ssl_channel_do_handshake(grpc_exec_ctx *exec_ctx,
       (grpc_ssl_channel_security_connector *)sc;
   tsi_handshaker *handshaker;
   grpc_security_status status = ssl_create_handshaker(
-      c->handshaker_factory, 1,
+      c->handshaker_factory, true,
       c->overridden_target_name != NULL ? c->overridden_target_name
                                         : c->target_name,
       &handshaker);
   if (status != GRPC_SECURITY_OK) {
     cb(exec_ctx, user_data, status, NULL, NULL);
   } else {
-    grpc_do_security_handshake(exec_ctx, handshaker, sc, nonsecure_endpoint, cb,
-                               user_data);
+    grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, true,
+                               nonsecure_endpoint, cb, user_data);
   }
 }
 
 static void ssl_server_do_handshake(grpc_exec_ctx *exec_ctx,
-                                    grpc_security_connector *sc,
+                                    grpc_server_security_connector *sc,
+                                    grpc_tcp_server_acceptor *acceptor,
                                     grpc_endpoint *nonsecure_endpoint,
                                     grpc_security_handshake_done_cb cb,
                                     void *user_data) {
@@ -427,12 +441,12 @@ static void ssl_server_do_handshake(grpc_exec_ctx *exec_ctx,
       (grpc_ssl_server_security_connector *)sc;
   tsi_handshaker *handshaker;
   grpc_security_status status =
-      ssl_create_handshaker(c->handshaker_factory, 0, NULL, &handshaker);
+      ssl_create_handshaker(c->handshaker_factory, false, NULL, &handshaker);
   if (status != GRPC_SECURITY_OK) {
     cb(exec_ctx, user_data, status, NULL, NULL);
   } else {
-    grpc_do_security_handshake(exec_ctx, handshaker, sc, nonsecure_endpoint, cb,
-                               user_data);
+    grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, false,
+                               nonsecure_endpoint, cb, user_data);
   }
 }
 
@@ -478,6 +492,9 @@ grpc_auth_context *tsi_ssl_peer_to_auth_context(const tsi_peer *peer) {
       peer_identity_property_name = GRPC_X509_SAN_PROPERTY_NAME;
       grpc_auth_context_add_property(ctx, GRPC_X509_SAN_PROPERTY_NAME,
                                      prop->value.data, prop->value.length);
+    } else if (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0) {
+      grpc_auth_context_add_property(ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME,
+                                     prop->value.data, prop->value.length);
     }
   }
   if (peer_identity_property_name != NULL) {
@@ -540,9 +557,9 @@ static void ssl_server_check_peer(grpc_exec_ctx *exec_ctx,
   grpc_auth_context_unref(auth_context);
 }
 
-static void add_shalow_auth_property_to_peer(tsi_peer *peer,
-                                             const grpc_auth_property *prop,
-                                             const char *tsi_prop_name) {
+static void add_shallow_auth_property_to_peer(tsi_peer *peer,
+                                              const grpc_auth_property *prop,
+                                              const char *tsi_prop_name) {
   tsi_peer_property *tsi_prop = &peer->properties[peer->property_count++];
   tsi_prop->name = (char *)tsi_prop_name;
   tsi_prop->value.data = prop->value;
@@ -565,11 +582,14 @@ tsi_peer tsi_shallow_peer_from_ssl_auth_context(
     it = grpc_auth_context_property_iterator(auth_context);
     while ((prop = grpc_auth_property_iterator_next(&it)) != NULL) {
       if (strcmp(prop->name, GRPC_X509_SAN_PROPERTY_NAME) == 0) {
-        add_shalow_auth_property_to_peer(
+        add_shallow_auth_property_to_peer(
             &peer, prop, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY);
       } else if (strcmp(prop->name, GRPC_X509_CN_PROPERTY_NAME) == 0) {
-        add_shalow_auth_property_to_peer(
+        add_shallow_auth_property_to_peer(
             &peer, prop, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY);
+      } else if (strcmp(prop->name, GRPC_X509_PEM_CERT_PROPERTY_NAME) == 0) {
+        add_shallow_auth_property_to_peer(&peer, prop,
+                                          TSI_X509_PEM_CERT_PROPERTY);
       }
     }
   }
@@ -603,10 +623,10 @@ static void ssl_channel_check_call_host(grpc_exec_ctx *exec_ctx,
 }
 
 static grpc_security_connector_vtable ssl_channel_vtable = {
-    ssl_channel_destroy, ssl_channel_do_handshake, ssl_channel_check_peer};
+    ssl_channel_destroy, ssl_channel_check_peer};
 
 static grpc_security_connector_vtable ssl_server_vtable = {
-    ssl_server_destroy, ssl_server_do_handshake, ssl_server_check_peer};
+    ssl_server_destroy, ssl_server_check_peer};
 
 static gpr_slice compute_default_pem_root_certs_once(void) {
   gpr_slice result = gpr_empty_slice();
@@ -700,11 +720,11 @@ grpc_security_status grpc_ssl_channel_security_connector_create(
 
   gpr_ref_init(&c->base.base.refcount, 1);
   c->base.base.vtable = &ssl_channel_vtable;
-  c->base.base.is_client_side = 1;
   c->base.base.url_scheme = GRPC_SSL_URL_SCHEME;
   c->base.request_metadata_creds =
       grpc_call_credentials_ref(request_metadata_creds);
   c->base.check_call_host = ssl_channel_check_call_host;
+  c->base.do_handshake = ssl_channel_do_handshake;
   gpr_split_host_port(target_name, &c->target_name, &port);
   gpr_free(port);
   if (overridden_target_name != NULL) {
@@ -735,7 +755,7 @@ error:
 }
 
 grpc_security_status grpc_ssl_server_security_connector_create(
-    const grpc_ssl_server_config *config, grpc_security_connector **sc) {
+    const grpc_ssl_server_config *config, grpc_server_security_connector **sc) {
   size_t num_alpn_protocols = grpc_chttp2_num_alpn_versions();
   const unsigned char **alpn_protocol_strings =
       gpr_malloc(sizeof(const char *) * num_alpn_protocols);
@@ -759,9 +779,9 @@ grpc_security_status grpc_ssl_server_security_connector_create(
   c = gpr_malloc(sizeof(grpc_ssl_server_security_connector));
   memset(c, 0, sizeof(grpc_ssl_server_security_connector));
 
-  gpr_ref_init(&c->base.refcount, 1);
-  c->base.url_scheme = GRPC_SSL_URL_SCHEME;
-  c->base.vtable = &ssl_server_vtable;
+  gpr_ref_init(&c->base.base.refcount, 1);
+  c->base.base.url_scheme = GRPC_SSL_URL_SCHEME;
+  c->base.base.vtable = &ssl_server_vtable;
   result = tsi_create_ssl_server_handshaker_factory(
       (const unsigned char **)config->pem_private_keys,
       config->pem_private_keys_sizes,
@@ -774,11 +794,12 @@ grpc_security_status grpc_ssl_server_security_connector_create(
   if (result != TSI_OK) {
     gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.",
             tsi_result_to_string(result));
-    ssl_server_destroy(&c->base);
+    ssl_server_destroy(&c->base.base);
     *sc = NULL;
     goto error;
   }
   gpr_mu_init(&c->base.mu);
+  c->base.do_handshake = ssl_server_do_handshake;
   *sc = &c->base;
   gpr_free((void *)alpn_protocol_strings);
   gpr_free(alpn_protocol_string_lengths);
diff --git a/src/core/security/security_connector.h b/src/core/lib/security/security_connector.h
index 39df7821f0..c9e262b1ad 100644
--- a/src/core/security/security_connector.h
+++ b/src/core/lib/security/security_connector.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H
+#define GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H
 
 #include <grpc/grpc_security.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 /* --- status enum. --- */
 
@@ -68,9 +69,6 @@ typedef void (*grpc_security_handshake_done_cb)(
 
 typedef struct {
   void (*destroy)(grpc_security_connector *sc);
-  void (*do_handshake)(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc,
-                       grpc_endpoint *nonsecure_endpoint,
-                       grpc_security_handshake_done_cb cb, void *user_data);
   void (*check_peer)(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc,
                      tsi_peer peer, grpc_security_peer_check_cb cb,
                      void *user_data);
@@ -84,13 +82,7 @@ typedef struct grpc_security_connector_handshake_list {
 struct grpc_security_connector {
   const grpc_security_connector_vtable *vtable;
   gpr_refcount refcount;
-  int is_client_side;
   const char *url_scheme;
-  /* Used on server side only. */
-  /* TODO(yangg): Create a grpc_server_security_connector with these. */
-  gpr_mu mu;
-  grpc_security_connector_handshake_list *handshaking_handshakes;
-  const grpc_channel_args *channel_args;
 };
 
 /* Refcounting. */
@@ -113,13 +105,6 @@ grpc_security_connector *grpc_security_connector_ref(
 void grpc_security_connector_unref(grpc_security_connector *policy);
 #endif
 
-/* Handshake. */
-void grpc_security_connector_do_handshake(grpc_exec_ctx *exec_ctx,
-                                          grpc_security_connector *connector,
-                                          grpc_endpoint *nonsecure_endpoint,
-                                          grpc_security_handshake_done_cb cb,
-                                          void *user_data);
-
 /* Check the peer. Callee takes ownership of the peer object.
    The callback will include the resulting auth_context. */
 void grpc_security_connector_check_peer(grpc_exec_ctx *exec_ctx,
@@ -128,9 +113,6 @@ void grpc_security_connector_check_peer(grpc_exec_ctx *exec_ctx,
                                         grpc_security_peer_check_cb cb,
                                         void *user_data);
 
-void grpc_security_connector_shutdown(grpc_exec_ctx *exec_ctx,
-                                      grpc_security_connector *connector);
-
 /* Util to encapsulate the connector in a channel arg. */
 grpc_arg grpc_security_connector_to_arg(grpc_security_connector *sc);
 
@@ -153,12 +135,16 @@ typedef void (*grpc_security_call_host_check_cb)(grpc_exec_ctx *exec_ctx,
                                                  grpc_security_status status);
 
 struct grpc_channel_security_connector {
-  grpc_security_connector base; /* requires is_client_side to be non 0. */
+  grpc_security_connector base;
   grpc_call_credentials *request_metadata_creds;
   void (*check_call_host)(grpc_exec_ctx *exec_ctx,
                           grpc_channel_security_connector *sc, const char *host,
                           grpc_auth_context *auth_context,
                           grpc_security_call_host_check_cb cb, void *user_data);
+  void (*do_handshake)(grpc_exec_ctx *exec_ctx,
+                       grpc_channel_security_connector *sc,
+                       grpc_endpoint *nonsecure_endpoint,
+                       grpc_security_handshake_done_cb cb, void *user_data);
 };
 
 /* Checks that the host that will be set for a call is acceptable. */
@@ -167,6 +153,39 @@ void grpc_channel_security_connector_check_call_host(
     const char *host, grpc_auth_context *auth_context,
     grpc_security_call_host_check_cb cb, void *user_data);
 
+/* Handshake. */
+void grpc_channel_security_connector_do_handshake(
+    grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *connector,
+    grpc_endpoint *nonsecure_endpoint, grpc_security_handshake_done_cb cb,
+    void *user_data);
+
+/* --- server_security_connector object. ---
+
+    A server security connector object represents away to configure the
+    underlying transport security mechanism on the server side.  */
+
+typedef struct grpc_server_security_connector grpc_server_security_connector;
+
+struct grpc_server_security_connector {
+  grpc_security_connector base;
+  gpr_mu mu;
+  grpc_security_connector_handshake_list *handshaking_handshakes;
+  const grpc_channel_args *channel_args;
+  void (*do_handshake)(grpc_exec_ctx *exec_ctx,
+                       grpc_server_security_connector *sc,
+                       grpc_tcp_server_acceptor *acceptor,
+                       grpc_endpoint *nonsecure_endpoint,
+                       grpc_security_handshake_done_cb cb, void *user_data);
+};
+
+void grpc_server_security_connector_do_handshake(
+    grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc,
+    grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint,
+    grpc_security_handshake_done_cb cb, void *user_data);
+
+void grpc_server_security_connector_shutdown(
+    grpc_exec_ctx *exec_ctx, grpc_server_security_connector *connector);
+
 /* --- Creation security connectors. --- */
 
 /* For TESTING ONLY!
@@ -176,7 +195,8 @@ grpc_channel_security_connector *grpc_fake_channel_security_connector_create(
 
 /* For TESTING ONLY!
    Creates a fake connector that emulates real server security.  */
-grpc_security_connector *grpc_fake_server_security_connector_create(void);
+grpc_server_security_connector *grpc_fake_server_security_connector_create(
+    void);
 
 /* Config for ssl clients. */
 typedef struct {
@@ -231,7 +251,7 @@ typedef struct {
   specific error code otherwise.
 */
 grpc_security_status grpc_ssl_server_security_connector_create(
-    const grpc_ssl_server_config *config, grpc_security_connector **sc);
+    const grpc_ssl_server_config *config, grpc_server_security_connector **sc);
 
 /* Util. */
 const tsi_peer_property *tsi_peer_get_property_by_name(const tsi_peer *peer,
@@ -243,4 +263,4 @@ tsi_peer tsi_shallow_peer_from_ssl_auth_context(
     const grpc_auth_context *auth_context);
 void tsi_shallow_peer_destruct(tsi_peer *peer);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H */
diff --git a/src/core/security/security_context.c b/src/core/lib/security/security_context.c
index a71b3bc915..343e0b5b8b 100644
--- a/src/core/security/security_context.c
+++ b/src/core/lib/security/security_context.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
 
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
 
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
diff --git a/src/core/security/security_context.h b/src/core/lib/security/security_context.h
index 794258edbc..81161ec47d 100644
--- a/src/core/security/security_context.h
+++ b/src/core/lib/security/security_context.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H
+#define GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/security/credentials.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/security/credentials.h"
 
 /* --- grpc_auth_context ---
 
@@ -111,4 +111,4 @@ grpc_auth_context *grpc_auth_context_from_arg(const grpc_arg *arg);
 grpc_auth_context *grpc_find_auth_context_in_args(
     const grpc_channel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H */
diff --git a/src/core/security/server_auth_filter.c b/src/core/lib/security/server_auth_filter.c
index 3d8e5e8d35..7844dc87cb 100644
--- a/src/core/security/server_auth_filter.c
+++ b/src/core/lib/security/server_auth_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,9 +33,9 @@
 
 #include <string.h>
 
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_context.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -259,6 +259,6 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 
 const grpc_channel_filter grpc_server_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
-    "server-auth"};
+    init_call_elem,          set_pollset,          destroy_call_elem,
+    sizeof(channel_data),    init_channel_elem,    destroy_channel_elem,
+    grpc_call_next_get_peer, "server-auth"};
diff --git a/src/core/support/alloc.c b/src/core/lib/support/alloc.c
index 0a064b2c18..618c3f6acd 100644
--- a/src/core/support/alloc.c
+++ b/src/core/lib/support/alloc.c
@@ -33,10 +33,10 @@
 
 #include <grpc/support/alloc.h>
 
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
-#include "src/core/profiling/timers.h"
+#include <stdlib.h>
+#include "src/core/lib/profiling/timers.h"
 
 static gpr_allocation_functions g_alloc_functions = {malloc, realloc, free};
 
@@ -53,6 +53,7 @@ void gpr_set_allocation_functions(gpr_allocation_functions functions) {
 
 void *gpr_malloc(size_t size) {
   void *p;
+  if (size == 0) return NULL;
   GPR_TIMER_BEGIN("gpr_malloc", 0);
   p = g_alloc_functions.malloc_fn(size);
   if (!p) {
@@ -69,6 +70,7 @@ void gpr_free(void *p) {
 }
 
 void *gpr_realloc(void *p, size_t size) {
+  if ((size == 0) && (p == NULL)) return NULL;
   GPR_TIMER_BEGIN("gpr_realloc", 0);
   p = g_alloc_functions.realloc_fn(p, size);
   if (!p) {
@@ -87,4 +89,4 @@ void *gpr_malloc_aligned(size_t size, size_t alignment_log) {
   return (void *)ret;
 }
 
-void gpr_free_aligned(void *ptr) { free(((void **)ptr)[-1]); }
+void gpr_free_aligned(void *ptr) { gpr_free(((void **)ptr)[-1]); }
diff --git a/src/core/support/avl.c b/src/core/lib/support/avl.c
index f378b3ee17..8d3ce23e6c 100644
--- a/src/core/support/avl.c
+++ b/src/core/lib/support/avl.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/support/backoff.c b/src/core/lib/support/backoff.c
new file mode 100644
index 0000000000..e89ef47220
--- /dev/null
+++ b/src/core/lib/support/backoff.c
@@ -0,0 +1,76 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/support/backoff.h"
+
+#include <grpc/support/useful.h>
+
+void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter,
+                      int64_t min_timeout_millis, int64_t max_timeout_millis) {
+  backoff->multiplier = multiplier;
+  backoff->jitter = jitter;
+  backoff->min_timeout_millis = min_timeout_millis;
+  backoff->max_timeout_millis = max_timeout_millis;
+  backoff->rng_state = (uint32_t)gpr_now(GPR_CLOCK_REALTIME).tv_nsec;
+}
+
+gpr_timespec gpr_backoff_begin(gpr_backoff *backoff, gpr_timespec now) {
+  backoff->current_timeout_millis = backoff->min_timeout_millis;
+  return gpr_time_add(
+      now, gpr_time_from_millis(backoff->current_timeout_millis, GPR_TIMESPAN));
+}
+
+/* Generate a random number between 0 and 1. */
+static double generate_uniform_random_number(uint32_t *rng_state) {
+  *rng_state = (1103515245 * *rng_state + 12345) % ((uint32_t)1 << 31);
+  return *rng_state / (double)((uint32_t)1 << 31);
+}
+
+gpr_timespec gpr_backoff_step(gpr_backoff *backoff, gpr_timespec now) {
+  double new_timeout_millis =
+      backoff->multiplier * (double)backoff->current_timeout_millis;
+  double jitter_range = backoff->jitter * new_timeout_millis;
+  double jitter =
+      (2 * generate_uniform_random_number(&backoff->rng_state) - 1) *
+      jitter_range;
+  backoff->current_timeout_millis =
+      GPR_CLAMP((int64_t)(new_timeout_millis + jitter),
+                backoff->min_timeout_millis, backoff->max_timeout_millis);
+  return gpr_time_add(
+      now, gpr_time_from_millis(backoff->current_timeout_millis, GPR_TIMESPAN));
+}
+
+void gpr_backoff_reset(gpr_backoff *backoff) {
+  // forces step() to return a timeout of min_timeout_millis
+  backoff->current_timeout_millis = 0;
+}
diff --git a/src/core/iomgr/timer_internal.h b/src/core/lib/support/backoff.h
index f182e73764..6d40c15546 100644
--- a/src/core/iomgr/timer_internal.h
+++ b/src/core/lib/support/backoff.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,31 +31,38 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H
+#ifndef GRPC_CORE_LIB_SUPPORT_BACKOFF_H
+#define GRPC_CORE_LIB_SUPPORT_BACKOFF_H
 
-#include "src/core/iomgr/exec_ctx.h"
-#include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-/* iomgr internal api for dealing with timers */
+typedef struct {
+  /// const: multiplier between retry attempts
+  double multiplier;
+  /// const: amount to randomize backoffs
+  double jitter;
+  /// const: minimum time between retries in milliseconds
+  int64_t min_timeout_millis;
+  /// const: maximum time between retries in milliseconds
+  int64_t max_timeout_millis;
 
-/* Check for timers to be run, and run them.
-   Return non zero if timer callbacks were executed.
-   Drops drop_mu if it is non-null before executing callbacks.
-   If next is non-null, TRY to update *next with the next running timer
-   IF that timer occurs before *next current value.
-   *next is never guaranteed to be updated on any given execution; however,
-   with high probability at least one thread in the system will see an update
-   at any time slice. */
+  /// random number generator
+  uint32_t rng_state;
 
-int grpc_timer_check(grpc_exec_ctx* exec_ctx, gpr_timespec now,
-                     gpr_timespec* next);
-void grpc_timer_list_init(gpr_timespec now);
-void grpc_timer_list_shutdown(grpc_exec_ctx* exec_ctx);
+  /// current retry timeout in milliseconds
+  int64_t current_timeout_millis;
+} gpr_backoff;
 
-/* the following must be implemented by each iomgr implementation */
+/// Initialize backoff machinery - does not need to be destroyed
+void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter,
+                      int64_t min_timeout_millis, int64_t max_timeout_millis);
 
-void grpc_kick_poller(void);
+/// Begin retry loop: returns a timespec for the NEXT retry
+gpr_timespec gpr_backoff_begin(gpr_backoff *backoff, gpr_timespec now);
+/// Step a retry loop: returns a timespec for the NEXT retry
+gpr_timespec gpr_backoff_step(gpr_backoff *backoff, gpr_timespec now);
+/// Reset the backoff, so the next gpr_backoff_step will be a gpr_backoff_begin
+/// instead
+void gpr_backoff_reset(gpr_backoff *backoff);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_BACKOFF_H */
diff --git a/src/core/support/block_annotate.h b/src/core/lib/support/block_annotate.h
index 3cd8eee272..8fb380241f 100644
--- a/src/core/support/block_annotate.h
+++ b/src/core/lib/support/block_annotate.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H
+#define GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H
 
 /* These annotations identify the beginning and end of regions where
    the code may block for reasons other than synchronization functions.
@@ -45,4 +45,4 @@
   do {                                      \
   } while (0)
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H */
diff --git a/src/core/support/cmdline.c b/src/core/lib/support/cmdline.c
index b517f30b2d..d47498676d 100644
--- a/src/core/support/cmdline.c
+++ b/src/core/lib/support/cmdline.c
@@ -37,10 +37,10 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 typedef enum { ARGTYPE_INT, ARGTYPE_BOOL, ARGTYPE_STRING } argtype;
 
diff --git a/src/core/support/cpu_iphone.c b/src/core/lib/support/cpu_iphone.c
index 82b49b47bc..82b49b47bc 100644
--- a/src/core/support/cpu_iphone.c
+++ b/src/core/lib/support/cpu_iphone.c
diff --git a/src/core/support/cpu_linux.c b/src/core/lib/support/cpu_linux.c
index 7af6a8f009..d6f7e7d3da 100644
--- a/src/core/support/cpu_linux.c
+++ b/src/core/lib/support/cpu_linux.c
@@ -39,10 +39,10 @@
 
 #ifdef GPR_CPU_LINUX
 
-#include <sched.h>
 #include <errno.h>
-#include <unistd.h>
+#include <sched.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
diff --git a/src/core/support/cpu_posix.c b/src/core/lib/support/cpu_posix.c
index 8f01c284ca..667bde7cad 100644
--- a/src/core/support/cpu_posix.c
+++ b/src/core/lib/support/cpu_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 #ifdef GPR_CPU_POSIX
 
 #include <errno.h>
-#include <unistd.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
diff --git a/src/core/support/cpu_windows.c b/src/core/lib/support/cpu_windows.c
index ce32eb0a9d..ce32eb0a9d 100644
--- a/src/core/support/cpu_windows.c
+++ b/src/core/lib/support/cpu_windows.c
diff --git a/src/core/support/env.h b/src/core/lib/support/env.h
index 24172d8673..ec3959bc6e 100644
--- a/src/core/support/env.h
+++ b/src/core/lib/support/env.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_ENV_H
-#define GRPC_INTERNAL_CORE_SUPPORT_ENV_H
+#ifndef GRPC_CORE_LIB_SUPPORT_ENV_H
+#define GRPC_CORE_LIB_SUPPORT_ENV_H
 
 #include <stdio.h>
 
@@ -57,4 +57,4 @@ void gpr_setenv(const char *name, const char *value);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_ENV_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_ENV_H */
diff --git a/src/core/support/env_linux.c b/src/core/lib/support/env_linux.c
index 1ca6fa1aff..2436eb20b0 100644
--- a/src/core/support/env_linux.c
+++ b/src/core/lib/support/env_linux.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,16 +40,18 @@
 
 #ifdef GPR_LINUX_ENV
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 #include <dlfcn.h>
+#include <features.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 char *gpr_getenv(const char *name) {
 #if defined(GPR_BACKWARDS_COMPATIBILITY_MODE)
@@ -60,12 +62,22 @@ char *gpr_getenv(const char *name) {
   const char *names[] = {"secure_getenv", "__secure_getenv", "getenv"};
   for (size_t i = 0; getenv_func == NULL && i < GPR_ARRAY_SIZE(names); i++) {
     getenv_func = (getenv_type)dlsym(RTLD_DEFAULT, names[i]);
+    if (getenv_func != NULL && strstr(names[i], "secure") == NULL) {
+      gpr_log(GPR_DEBUG,
+              "Warning: insecure environment read function '%s' used",
+              names[i]);
+    }
   }
   char *result = getenv_func(name);
   return result == NULL ? result : gpr_strdup(result);
-#else
+#elif __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 17)
   char *result = secure_getenv(name);
   return result == NULL ? result : gpr_strdup(result);
+#else
+  gpr_log(GPR_DEBUG, "Warning: insecure environment read function '%s' used",
+          "getenv");
+  char *result = getenv(name);
+  return result == NULL ? result : gpr_strdup(result);
 #endif
 }
 
diff --git a/src/core/support/env_posix.c b/src/core/lib/support/env_posix.c
index 1dd2af56bc..ff47630443 100644
--- a/src/core/support/env_posix.c
+++ b/src/core/lib/support/env_posix.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_POSIX_ENV
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 #include <stdlib.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 char *gpr_getenv(const char *name) {
   char *result = getenv(name);
diff --git a/src/core/support/env_win32.c b/src/core/lib/support/env_win32.c
index 10258283ba..ef84c941df 100644
--- a/src/core/support/env_win32.c
+++ b/src/core/lib/support/env_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,8 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 #ifdef __MINGW32__
 errno_t getenv_s(size_t *size_needed, char *buffer, size_t size,
diff --git a/src/core/support/histogram.c b/src/core/lib/support/histogram.c
index 20ed2b14b1..7b016bbc78 100644
--- a/src/core/support/histogram.c
+++ b/src/core/lib/support/histogram.c
@@ -38,8 +38,8 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
 
 /* Histograms are stored with exponentially increasing bucket sizes.
diff --git a/src/core/support/host_port.c b/src/core/lib/support/host_port.c
index 23f65b1581..f19bdbc835 100644
--- a/src/core/support/host_port.c
+++ b/src/core/lib/support/host_port.c
@@ -35,10 +35,10 @@
 
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 int gpr_join_host_port(char **out, const char *host, int port) {
   if (host[0] != '[' && strchr(host, ':') != NULL) {
diff --git a/src/core/support/file.c b/src/core/lib/support/load_file.c
index 8c673dbcc6..f30aacdd4f 100644
--- a/src/core/support/file.c
+++ b/src/core/lib/support/load_file.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/file.h"
+#include "src/core/lib/support/load_file.h"
 
 #include <errno.h>
 #include <string.h>
@@ -40,8 +40,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 gpr_slice gpr_load_file(const char *filename, int add_null_terminator,
                         int *success) {
diff --git a/src/core/support/file.h b/src/core/lib/support/load_file.h
index d8b7cea44f..9a4b27942e 100644
--- a/src/core/support/file.h
+++ b/src/core/lib/support/load_file.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_FILE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_FILE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H
+#define GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H
 
 #include <stdio.h>
 
@@ -42,22 +42,14 @@
 extern "C" {
 #endif
 
-/* File utility functions */
-
 /* Loads the content of a file into a slice. add_null_terminator will add
    a NULL terminator if non-zero. The success parameter, if not NULL,
    will be set to 1 in case of success and 0 in case of failure. */
 gpr_slice gpr_load_file(const char *filename, int add_null_terminator,
                         int *success);
 
-/* Creates a temporary file from a prefix.
-   If tmp_filename is not NULL, *tmp_filename is assigned the name of the
-   created file and it is the responsibility of the caller to gpr_free it
-   unless an error occurs in which case it will be set to NULL. */
-FILE *gpr_tmpfile(const char *prefix, char **tmp_filename);
-
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_FILE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H */
diff --git a/src/core/support/log.c b/src/core/lib/support/log.c
index 04156a5b1f..04156a5b1f 100644
--- a/src/core/support/log.c
+++ b/src/core/lib/support/log.c
diff --git a/src/core/support/log_android.c b/src/core/lib/support/log_android.c
index 5d0c7d820d..94c8100fd7 100644
--- a/src/core/support/log_android.c
+++ b/src/core/lib/support/log_android.c
@@ -35,12 +35,12 @@
 
 #ifdef GPR_ANDROID
 
+#include <android/log.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
-#include <android/log.h>
 
 static android_LogPriority severity_to_log_priority(gpr_log_severity severity) {
   switch (severity) {
diff --git a/src/core/support/log_linux.c b/src/core/lib/support/log_linux.c
index d66b7a3cc0..ff3febb38e 100644
--- a/src/core/support/log_linux.c
+++ b/src/core/lib/support/log_linux.c
@@ -47,12 +47,12 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
+#include <linux/unistd.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
-#include <time.h>
-#include <linux/unistd.h>
 #include <sys/syscall.h>
+#include <time.h>
 #include <unistd.h>
 
 static long gettid(void) { return syscall(__NR_gettid); }
@@ -68,6 +68,7 @@ void gpr_log(const char *file, int line, gpr_log_severity severity,
   }
   va_end(args);
   gpr_log_message(file, line, severity, message);
+  /* message has been allocated by vasprintf above, and needs free */
   free(message);
 }
 
diff --git a/src/core/support/log_posix.c b/src/core/lib/support/log_posix.c
index 3ff171f99c..6ae6320767 100644
--- a/src/core/support/log_posix.c
+++ b/src/core/lib/support/log_posix.c
@@ -38,12 +38,12 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
+#include <pthread.h>
 #include <stdarg.h>
-#include <string.h>
 #include <stdio.h>
+#include <stdio.h>
+#include <string.h>
 #include <time.h>
-#include <pthread.h>
 
 static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
 
diff --git a/src/core/support/log_win32.c b/src/core/lib/support/log_win32.c
index e18e667fe5..ba78497a0a 100644
--- a/src/core/support/log_win32.c
+++ b/src/core/lib/support/log_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,17 +35,17 @@
 
 #ifdef GPR_WIN32
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/log_win32.h>
 #include <grpc/support/log.h>
-#include <grpc/support/time.h>
+#include <grpc/support/log_win32.h>
 #include <grpc/support/string_util.h>
+#include <grpc/support/time.h>
 
-#include "src/core/support/string.h"
-#include "src/core/support/string_win32.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/string_win32.h"
 
 void gpr_log(const char *file, int line, gpr_log_severity severity,
              const char *format, ...) {
diff --git a/src/core/support/murmur_hash.c b/src/core/lib/support/murmur_hash.c
index a5261c0cc0..5711fff0c0 100644
--- a/src/core/support/murmur_hash.c
+++ b/src/core/lib/support/murmur_hash.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 
 #define ROTL32(x, r) ((x) << (r)) | ((x) >> (32 - (r)))
 
diff --git a/src/core/support/murmur_hash.h b/src/core/lib/support/murmur_hash.h
index 0bf04f731a..6d282ff358 100644
--- a/src/core/support/murmur_hash.h
+++ b/src/core/lib/support/murmur_hash.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H
-#define GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H
+#ifndef GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H
+#define GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H
 
 #include <grpc/support/port_platform.h>
 
@@ -41,4 +41,4 @@
 /* compute the hash of key (length len) */
 uint32_t gpr_murmur_hash3(const void *key, size_t len, uint32_t seed);
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H */
diff --git a/src/core/support/slice.c b/src/core/lib/support/slice.c
index b9a7c77bda..b9a7c77bda 100644
--- a/src/core/support/slice.c
+++ b/src/core/lib/support/slice.c
diff --git a/src/core/support/slice_buffer.c b/src/core/lib/support/slice_buffer.c
index 66f111d767..66f111d767 100644
--- a/src/core/support/slice_buffer.c
+++ b/src/core/lib/support/slice_buffer.c
diff --git a/src/core/support/stack_lockfree.c b/src/core/lib/support/stack_lockfree.c
index 9daecd2e18..9d7c9e5a38 100644
--- a/src/core/support/stack_lockfree.c
+++ b/src/core/lib/support/stack_lockfree.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/support/stack_lockfree.h"
+#include "src/core/lib/support/stack_lockfree.h"
 
 #include <stdlib.h>
 #include <string.h>
 
-#include <grpc/support/port_platform.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
 
 /* The lockfree node structure is a single architecture-level
    word that allows for an atomic CAS to set it up. */
@@ -64,10 +64,10 @@ typedef union lockfree_node {
   struct lockfree_node_contents contents;
 } lockfree_node;
 
-#define ENTRY_ALIGNMENT_BITS 3 /* make sure that entries aligned to 8-bytes */
-#define INVALID_ENTRY_INDEX                        \
-  ((1 << 16) - 1) /* reserve this entry as invalid \
-                    */
+/* make sure that entries aligned to 8-bytes */
+#define ENTRY_ALIGNMENT_BITS 3
+/* reserve this entry as invalid */
+#define INVALID_ENTRY_INDEX ((1 << 16) - 1)
 
 struct gpr_stack_lockfree {
   lockfree_node *entries;
diff --git a/src/core/support/stack_lockfree.h b/src/core/lib/support/stack_lockfree.h
index ca58dd007a..35ef7c2959 100644
--- a/src/core/support/stack_lockfree.h
+++ b/src/core/lib/support/stack_lockfree.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H
+#define GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H
 
 #include <stddef.h>
 
@@ -50,4 +50,4 @@ int gpr_stack_lockfree_push(gpr_stack_lockfree *, int entry);
 /* Returns -1 on empty or the actual entry number */
 int gpr_stack_lockfree_pop(gpr_stack_lockfree *stack);
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H */
diff --git a/src/core/support/string.c b/src/core/lib/support/string.c
index 1f541de40f..a2ab6c5f1f 100644
--- a/src/core/support/string.c
+++ b/src/core/lib/support/string.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <ctype.h>
 #include <stddef.h>
diff --git a/src/core/support/string.h b/src/core/lib/support/string.h
index e6755de106..ea58610914 100644
--- a/src/core/support/string.h
+++ b/src/core/lib/support/string.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STRING_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STRING_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STRING_H
+#define GRPC_CORE_LIB_SUPPORT_STRING_H
 
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
-#include <grpc/support/slice_buffer.h>
 #include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -118,4 +118,4 @@ char *gpr_strvec_flatten(gpr_strvec *strs, size_t *total_length);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STRING_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STRING_H */
diff --git a/src/core/support/string_posix.c b/src/core/lib/support/string_posix.c
index 25c333db4e..c804ed5ded 100644
--- a/src/core/support/string_posix.c
+++ b/src/core/lib/support/string_posix.c
@@ -35,8 +35,8 @@
 
 #ifdef GPR_POSIX_STRING
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
diff --git a/src/core/support/string_win32.c b/src/core/lib/support/string_win32.c
index 3b1f702cf1..a2f9857356 100644
--- a/src/core/support/string_win32.c
+++ b/src/core/lib/support/string_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,13 +37,13 @@
 
 #ifdef GPR_WIN32
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 int gpr_asprintf(char **strp, const char *format, ...) {
   va_list args;
diff --git a/src/core/support/string_win32.h b/src/core/lib/support/string_win32.h
index e3043656fb..ff4a694ca9 100644
--- a/src/core/support/string_win32.h
+++ b/src/core/lib/support/string_win32.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H
+#define GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H
 
 #include <grpc/support/port_platform.h>
 
@@ -44,4 +44,4 @@ LPSTR gpr_tchar_to_char(LPCTSTR input);
 
 #endif /* GPR_WIN32 */
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H */
diff --git a/src/core/support/subprocess_posix.c b/src/core/lib/support/subprocess_posix.c
index 171054e4da..4f4de9298e 100644
--- a/src/core/support/subprocess_posix.c
+++ b/src/core/lib/support/subprocess_posix.c
@@ -37,15 +37,15 @@
 
 #include <grpc/support/subprocess.h>
 
-#include <unistd.h>
 #include <assert.h>
 #include <errno.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
diff --git a/src/core/support/subprocess_windows.c b/src/core/lib/support/subprocess_windows.c
index 2b25ef063a..264306f1bd 100644
--- a/src/core/support/subprocess_windows.c
+++ b/src/core/lib/support/subprocess_windows.c
@@ -35,15 +35,15 @@
 
 #ifdef GPR_WINDOWS_SUBPROCESS
 
-#include <windows.h>
 #include <string.h>
 #include <tchar.h>
+#include <windows.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
-#include "src/core/support/string_win32.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/string_win32.h"
 
 struct gpr_subprocess {
   PROCESS_INFORMATION pi;
diff --git a/src/core/support/sync.c b/src/core/lib/support/sync.c
index d368422d9e..44b83f8175 100644
--- a/src/core/support/sync.c
+++ b/src/core/lib/support/sync.c
@@ -33,9 +33,9 @@
 
 /* Generic implementation of synchronization primitives. */
 
+#include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/atm.h>
 
 /* Number of mutexes to allocate for events, to avoid lock contention.
    Should be a prime. */
@@ -98,6 +98,11 @@ void gpr_ref_init(gpr_refcount *r, int n) { gpr_atm_rel_store(&r->count, n); }
 
 void gpr_ref(gpr_refcount *r) { gpr_atm_no_barrier_fetch_add(&r->count, 1); }
 
+void gpr_ref_non_zero(gpr_refcount *r) {
+  gpr_atm prior = gpr_atm_no_barrier_fetch_add(&r->count, 1);
+  GPR_ASSERT(prior > 0);
+}
+
 void gpr_refn(gpr_refcount *r, int n) {
   gpr_atm_no_barrier_fetch_add(&r->count, n);
 }
diff --git a/src/core/support/sync_posix.c b/src/core/lib/support/sync_posix.c
index d3c483f1b5..dcb0969a4e 100644
--- a/src/core/support/sync_posix.c
+++ b/src/core/lib/support/sync_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,11 +36,11 @@
 #ifdef GPR_POSIX_SYNC
 
 #include <errno.h>
-#include <time.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
+#include <time.h>
+#include "src/core/lib/profiling/timers.h"
 
 void gpr_mu_init(gpr_mu* mu) { GPR_ASSERT(pthread_mutex_init(mu, NULL) == 0); }
 
diff --git a/src/core/support/sync_win32.c b/src/core/lib/support/sync_win32.c
index 41998ebcb6..470a9f9704 100644
--- a/src/core/support/sync_win32.c
+++ b/src/core/lib/support/sync_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/support/thd.c b/src/core/lib/support/thd.c
index 41daeb5d0e..41daeb5d0e 100644
--- a/src/core/support/thd.c
+++ b/src/core/lib/support/thd.c
diff --git a/src/core/support/thd_internal.h b/src/core/lib/support/thd_internal.h
index 1508c4691f..975d5537cc 100644
--- a/src/core/support/thd_internal.h
+++ b/src/core/lib/support/thd_internal.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H
-#define GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H
+#ifndef GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H
+#define GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H
 
 /* Internal interfaces between modules within the gpr support library.  */
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H */
diff --git a/src/core/support/thd_posix.c b/src/core/lib/support/thd_posix.c
index 653a1c88c1..2fc23bffaf 100644
--- a/src/core/support/thd_posix.c
+++ b/src/core/lib/support/thd_posix.c
@@ -37,13 +37,13 @@
 
 #ifdef GPR_POSIX_SYNC
 
-#include <pthread.h>
-#include <stdlib.h>
-#include <string.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
 
 struct thd_arg {
   void (*body)(void *arg); /* body of a thread */
@@ -81,6 +81,7 @@ int gpr_thd_new(gpr_thd_id *t, void (*thd_body)(void *arg), void *arg,
   thread_started = (pthread_create(&p, &attr, &thread_body, a) == 0);
   GPR_ASSERT(pthread_attr_destroy(&attr) == 0);
   if (!thread_started) {
+    /* don't use gpr_free, as this was allocated using malloc (see above) */
     free(a);
   }
   *t = (gpr_thd_id)p;
diff --git a/src/core/support/thd_win32.c b/src/core/lib/support/thd_win32.c
index a9db180c1b..6deb3140eb 100644
--- a/src/core/support/thd_win32.c
+++ b/src/core/lib/support/thd_win32.c
@@ -37,10 +37,10 @@
 
 #ifdef GPR_WIN32
 
-#include <string.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
+#include <string.h>
 
 #if defined(_MSC_VER)
 #define thread_local __declspec(thread)
diff --git a/src/core/support/time.c b/src/core/lib/support/time.c
index 423d12ffc0..57f8331194 100644
--- a/src/core/support/time.c
+++ b/src/core/lib/support/time.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,11 +33,11 @@
 
 /* Generic implementation of time calls. */
 
+#include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <limits.h>
 #include <stdio.h>
 #include <string.h>
-#include <grpc/support/log.h>
 
 int gpr_time_cmp(gpr_timespec a, gpr_timespec b) {
   int cmp = (a.tv_sec > b.tv_sec) - (a.tv_sec < b.tv_sec);
diff --git a/src/core/support/time_posix.c b/src/core/lib/support/time_posix.c
index 36d75e7da2..f5f62dadc6 100644
--- a/src/core/support/time_posix.c
+++ b/src/core/lib/support/time_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include <src/core/support/time_precise.h>
+#include "src/core/lib/support/time_precise.h"
 
 #ifdef GPR_POSIX_TIME
 
@@ -44,7 +44,7 @@
 #endif
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/support/block_annotate.h"
+#include "src/core/lib/support/block_annotate.h"
 
 static struct timespec timespec_from_gpr(gpr_timespec gts) {
   struct timespec rv;
@@ -98,9 +98,9 @@ gpr_timespec gpr_now(gpr_clock_type clock_type) {
 #else
 /* For some reason Apple's OSes haven't implemented clock_gettime. */
 
-#include <sys/time.h>
 #include <mach/mach.h>
 #include <mach/mach_time.h>
+#include <sys/time.h>
 
 static double g_time_scale;
 static uint64_t g_time_start;
diff --git a/src/core/support/time_precise.c b/src/core/lib/support/time_precise.c
index a2cf74bc84..a2cf74bc84 100644
--- a/src/core/support/time_precise.c
+++ b/src/core/lib/support/time_precise.c
diff --git a/src/core/support/time_precise.h b/src/core/lib/support/time_precise.h
index 80c5000123..30818d04b9 100644
--- a/src/core/support/time_precise.h
+++ b/src/core/lib/support/time_precise.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_CORE_SUPPORT_TIME_PRECISE_H_
-#define GRPC_CORE_SUPPORT_TIME_PRECISE_H_
+#ifndef GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H
+#define GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H
 
 #include <grpc/support/time.h>
 
 void gpr_precise_clock_init(void);
 void gpr_precise_clock_now(gpr_timespec *clk);
 
-#endif /* GRPC_CORE_SUPPORT_TIME_PRECISE_ */
+#endif /* GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H */
diff --git a/src/core/support/time_win32.c b/src/core/lib/support/time_win32.c
index 8af957e6f4..f7acbd14a6 100644
--- a/src/core/support/time_win32.c
+++ b/src/core/lib/support/time_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,12 +39,12 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <src/core/support/time_precise.h>
-#include <sys/timeb.h>
-#include <process.h>
 #include <limits.h>
+#include <process.h>
+#include <sys/timeb.h>
 
-#include "src/core/support/block_annotate.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/time_precise.h"
 
 static LARGE_INTEGER g_start_time;
 static double g_time_scale;
diff --git a/src/core/support/tls_pthread.c b/src/core/lib/support/tls_pthread.c
index 9683a6e547..9683a6e547 100644
--- a/src/core/support/tls_pthread.c
+++ b/src/core/lib/support/tls_pthread.c
diff --git a/src/core/client_config/resolvers/sockaddr_resolver.h b/src/core/lib/support/tmpfile.h
index 1b7a18f9c2..059142ab0f 100644
--- a/src/core/client_config/resolvers/sockaddr_resolver.h
+++ b/src/core/lib/support/tmpfile.h
@@ -31,20 +31,25 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H
+#ifndef GRPC_CORE_LIB_SUPPORT_TMPFILE_H
+#define GRPC_CORE_LIB_SUPPORT_TMPFILE_H
 
-#include <grpc/support/port_platform.h>
+#include <stdio.h>
 
-#include "src/core/client_config/resolver_factory.h"
+#include <grpc/support/slice.h>
 
-grpc_resolver_factory *grpc_ipv4_resolver_factory_create(void);
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-grpc_resolver_factory *grpc_ipv6_resolver_factory_create(void);
+/* Creates a temporary file from a prefix.
+   If tmp_filename is not NULL, *tmp_filename is assigned the name of the
+   created file and it is the responsibility of the caller to gpr_free it
+   unless an error occurs in which case it will be set to NULL. */
+FILE *gpr_tmpfile(const char *prefix, char **tmp_filename);
 
-#ifdef GPR_POSIX_SOCKET
-/** Create a unix resolver factory */
-grpc_resolver_factory *grpc_unix_resolver_factory_create(void);
+#ifdef __cplusplus
+}
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_TMPFILE_H */
diff --git a/src/core/support/file_posix.c b/src/core/lib/support/tmpfile_posix.c
index c11c07148a..9e0e7ad808 100644
--- a/src/core/support/file_posix.c
+++ b/src/core/lib/support/tmpfile_posix.c
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_FILE
 
-#include "src/core/support/file.h"
+#include "src/core/lib/support/tmpfile.h"
 
 #include <errno.h>
 #include <stdlib.h>
@@ -46,7 +46,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 FILE *gpr_tmpfile(const char *prefix, char **tmp_filename) {
   FILE *result = NULL;
diff --git a/src/core/support/file_win32.c b/src/core/lib/support/tmpfile_win32.c
index 355744f79a..0cb2904f8d 100644
--- a/src/core/support/file_win32.c
+++ b/src/core/lib/support/tmpfile_win32.c
@@ -44,8 +44,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/file.h"
-#include "src/core/support/string_win32.h"
+#include "src/core/lib/support/string_win32.h"
+#include "src/core/lib/support/tmpfile.h"
 
 FILE *gpr_tmpfile(const char *prefix, char **tmp_filename_out) {
   FILE *result = NULL;
diff --git a/src/core/support/wrap_memcpy.c b/src/core/lib/support/wrap_memcpy.c
index 15c289f7b8..15c289f7b8 100644
--- a/src/core/support/wrap_memcpy.c
+++ b/src/core/lib/support/wrap_memcpy.c
diff --git a/src/core/surface/alarm.c b/src/core/lib/surface/alarm.c
index fb496f6c47..2cf2f00b31 100644
--- a/src/core/surface/alarm.c
+++ b/src/core/lib/surface/alarm.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/surface/completion_queue.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 struct grpc_alarm {
   grpc_timer alarm;
@@ -64,8 +64,9 @@ grpc_alarm *grpc_alarm_create(grpc_completion_queue *cq, gpr_timespec deadline,
   alarm->tag = tag;
 
   grpc_cq_begin_op(cq, tag);
-  grpc_timer_init(&exec_ctx, &alarm->alarm, deadline, alarm_cb, alarm,
-                  gpr_now(GPR_CLOCK_MONOTONIC));
+  grpc_timer_init(&exec_ctx, &alarm->alarm,
+                  gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
+                  alarm_cb, alarm, gpr_now(GPR_CLOCK_MONOTONIC));
   grpc_exec_ctx_finish(&exec_ctx);
   return alarm;
 }
diff --git a/src/core/surface/api_trace.c b/src/core/lib/surface/api_trace.c
index 9f0b900d46..79e3e5ca9b 100644
--- a/src/core/surface/api_trace.c
+++ b/src/core/lib/surface/api_trace.c
@@ -31,6 +31,6 @@
  *
  */
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 int grpc_api_trace = 0;
diff --git a/src/core/surface/api_trace.h b/src/core/lib/surface/api_trace.h
index 82bbf3b62b..c60aaba5e9 100644
--- a/src/core/surface/api_trace.h
+++ b/src/core/lib/surface/api_trace.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H
-#define GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H
+#ifndef GRPC_CORE_LIB_SURFACE_API_TRACE_H
+#define GRPC_CORE_LIB_SURFACE_API_TRACE_H
 
-#include "src/core/debug/trace.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
 
 extern int grpc_api_trace;
 
@@ -62,4 +62,4 @@ extern int grpc_api_trace;
     gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \
   }
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_API_TRACE_H */
diff --git a/src/core/surface/byte_buffer.c b/src/core/lib/surface/byte_buffer.c
index fb39c4531d..a093a37af3 100644
--- a/src/core/surface/byte_buffer.c
+++ b/src/core/lib/surface/byte_buffer.c
@@ -44,7 +44,7 @@ grpc_byte_buffer *grpc_raw_byte_buffer_create(gpr_slice *slices,
 grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
     gpr_slice *slices, size_t nslices, grpc_compression_algorithm compression) {
   size_t i;
-  grpc_byte_buffer *bb = malloc(sizeof(grpc_byte_buffer));
+  grpc_byte_buffer *bb = gpr_malloc(sizeof(grpc_byte_buffer));
   bb->type = GRPC_BB_RAW;
   bb->data.raw.compression = compression;
   gpr_slice_buffer_init(&bb->data.raw.slice_buffer);
@@ -57,7 +57,7 @@ grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
 
 grpc_byte_buffer *grpc_raw_byte_buffer_from_reader(
     grpc_byte_buffer_reader *reader) {
-  grpc_byte_buffer *bb = malloc(sizeof(grpc_byte_buffer));
+  grpc_byte_buffer *bb = gpr_malloc(sizeof(grpc_byte_buffer));
   gpr_slice slice;
   bb->type = GRPC_BB_RAW;
   bb->data.raw.compression = GRPC_COMPRESS_NONE;
@@ -85,7 +85,7 @@ void grpc_byte_buffer_destroy(grpc_byte_buffer *bb) {
       gpr_slice_buffer_destroy(&bb->data.raw.slice_buffer);
       break;
   }
-  free(bb);
+  gpr_free(bb);
 }
 
 size_t grpc_byte_buffer_length(grpc_byte_buffer *bb) {
diff --git a/src/core/surface/byte_buffer_reader.c b/src/core/lib/surface/byte_buffer_reader.c
index 4679854227..809fd5f1fa 100644
--- a/src/core/surface/byte_buffer_reader.c
+++ b/src/core/lib/surface/byte_buffer_reader.c
@@ -31,17 +31,17 @@
  *
  */
 
-#include <string.h>
 #include <grpc/byte_buffer_reader.h>
+#include <string.h>
 
+#include <grpc/byte_buffer.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
-#include <grpc/byte_buffer.h>
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 static int is_compressed(grpc_byte_buffer *buffer) {
   switch (buffer->type) {
diff --git a/src/core/surface/call.c b/src/core/lib/surface/call.c
index 1b117aa6b8..6581bbd3d1 100644
--- a/src/core/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,16 +43,16 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 /** The maximum number of concurrent batches possible.
     Based upon the maximum number of individually queueable ops in the batch
@@ -81,11 +81,11 @@ typedef enum {
   /* Status came from the application layer overriding whatever
      the wire says */
   STATUS_FROM_API_OVERRIDE = 0,
-  /* Status was created by some internal channel stack operation */
-  STATUS_FROM_CORE,
   /* Status came from 'the wire' - or somewhere below the surface
      layer */
   STATUS_FROM_WIRE,
+  /* Status was created by some internal channel stack operation */
+  STATUS_FROM_CORE,
   /* Status came from the server sending status */
   STATUS_FROM_SERVER_STATUS,
   STATUS_SOURCE_COUNT
@@ -174,6 +174,9 @@ struct grpc_call {
   /* Received call statuses from various sources */
   received_status status[STATUS_SOURCE_COUNT];
 
+  /* Call stats: only valid after trailing metadata received */
+  grpc_transport_stream_stats stats;
+
   /* Compression algorithm for the call */
   grpc_compression_algorithm compression_algorithm;
   /* Supported encodings (compression algorithms), a bitset */
@@ -909,7 +912,7 @@ static void set_cancelled_value(grpc_status_code status, void *dest) {
   *(int *)dest = (status != GRPC_STATUS_OK);
 }
 
-static int are_write_flags_valid(uint32_t flags) {
+static bool are_write_flags_valid(uint32_t flags) {
   /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
   const uint32_t allowed_write_positions =
       (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK);
@@ -917,6 +920,15 @@ static int are_write_flags_valid(uint32_t flags) {
   return !(flags & invalid_positions);
 }
 
+static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) {
+  /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
+  uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK;
+  if (!is_client) {
+    invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST;
+  }
+  return !(flags & invalid_positions);
+}
+
 static batch_control *allocate_batch_control(grpc_call *call) {
   size_t i;
   for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) {
@@ -1062,24 +1074,29 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx,
 
   gpr_mu_lock(&call->mu);
 
-  grpc_metadata_batch *md =
-      &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
-  grpc_metadata_batch_filter(md, recv_initial_filter, call);
-  call->has_initial_md_been_received = true;
-
-  if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
-          0 &&
-      !call->is_client) {
-    GPR_TIMER_BEGIN("set_deadline_alarm", 0);
-    set_deadline_alarm(exec_ctx, call, md->deadline);
-    GPR_TIMER_END("set_deadline_alarm", 0);
+  if (!success) {
+    bctl->success = false;
+  } else {
+    grpc_metadata_batch *md =
+        &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
+    grpc_metadata_batch_filter(md, recv_initial_filter, call);
+
+    if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
+            0 &&
+        !call->is_client) {
+      GPR_TIMER_BEGIN("set_deadline_alarm", 0);
+      set_deadline_alarm(exec_ctx, call, md->deadline);
+      GPR_TIMER_END("set_deadline_alarm", 0);
+    }
   }
 
+  call->has_initial_md_been_received = true;
   if (call->saved_receiving_stream_ready_ctx.bctlp != NULL) {
     grpc_closure *saved_rsr_closure = grpc_closure_create(
         receiving_stream_ready, call->saved_receiving_stream_ready_ctx.bctlp);
-    grpc_exec_ctx_enqueue(exec_ctx, saved_rsr_closure,
-                          call->saved_receiving_stream_ready_ctx.success, NULL);
+    grpc_exec_ctx_enqueue(
+        exec_ctx, saved_rsr_closure,
+        call->saved_receiving_stream_ready_ctx.success && success, NULL);
     call->saved_receiving_stream_ready_ctx.bctlp = NULL;
   }
 
@@ -1098,6 +1115,9 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, bool success) {
 
   gpr_mu_lock(&call->mu);
   if (bctl->send_initial_metadata) {
+    if (!success) {
+      set_status_code(call, STATUS_FROM_CORE, GRPC_STATUS_UNAVAILABLE);
+    }
     grpc_metadata_batch_destroy(
         &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]);
   }
@@ -1196,7 +1216,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
     switch (op->op) {
       case GRPC_OP_SEND_INITIAL_METADATA:
         /* Flag validation: currently allow no flags */
-        if (op->flags != 0) {
+        if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
           goto done_with_error;
         }
@@ -1220,6 +1240,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
         call->metadata_batch[0][0].deadline = call->send_deadline;
         stream_op.send_initial_metadata =
             &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */];
+        stream_op.send_initial_metadata_flags = op->flags;
         break;
       case GRPC_OP_SEND_MESSAGE:
         if (!are_write_flags_valid(op->flags)) {
@@ -1371,6 +1392,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
         bctl->recv_final_op = 1;
         stream_op.recv_trailing_metadata =
             &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
+        stream_op.collect_stats = &call->stats;
         break;
       case GRPC_OP_RECV_CLOSE_ON_SERVER:
         /* Flag validation: currently allow no flags */
@@ -1392,6 +1414,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
         bctl->recv_final_op = 1;
         stream_op.recv_trailing_metadata =
             &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
+        stream_op.collect_stats = &call->stats;
         break;
     }
   }
@@ -1481,3 +1504,11 @@ void *grpc_call_context_get(grpc_call *call, grpc_context_index elem) {
 }
 
 uint8_t grpc_call_is_client(grpc_call *call) { return call->is_client; }
+
+grpc_compression_algorithm grpc_call_compression_for_level(
+    grpc_call *call, grpc_compression_level level) {
+  gpr_mu_lock(&call->mu);
+  const uint32_t accepted_encodings = call->encodings_accepted_by_peer;
+  gpr_mu_unlock(&call->mu);
+  return grpc_compression_algorithm_for_level(level, accepted_encodings);
+}
diff --git a/src/core/surface/call.h b/src/core/lib/surface/call.h
index 0bbffb98ae..2725e060b8 100644
--- a/src/core/surface/call.h
+++ b/src/core/lib/surface/call.h
@@ -31,14 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CALL_H
-#define GRPC_INTERNAL_CORE_SURFACE_CALL_H
+#ifndef GRPC_CORE_LIB_SURFACE_CALL_H
+#define GRPC_CORE_LIB_SURFACE_CALL_H
+
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/surface_trace.h"
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/surface_trace.h"
 #include <grpc/grpc.h>
+#include <grpc/impl/codegen/compression_types.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -102,8 +104,13 @@ void *grpc_call_context_get(grpc_call *call, grpc_context_index elem);
 
 uint8_t grpc_call_is_client(grpc_call *call);
 
+/* Return an appropriate compression algorithm for the requested compression \a
+ * level in the context of \a call. */
+grpc_compression_algorithm grpc_call_compression_for_level(
+    grpc_call *call, grpc_compression_level level);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
diff --git a/src/core/surface/call_details.c b/src/core/lib/surface/call_details.c
index 60f0029819..fe73da3f55 100644
--- a/src/core/surface/call_details.c
+++ b/src/core/lib/surface/call_details.c
@@ -36,7 +36,7 @@
 
 #include <string.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 void grpc_call_details_init(grpc_call_details* cd) {
   GRPC_API_TRACE("grpc_call_details_init(cd=%p)", 1, (cd));
diff --git a/src/core/surface/call_log_batch.c b/src/core/lib/surface/call_log_batch.c
index 46756f418b..a6d1d5149f 100644
--- a/src/core/surface/call_log_batch.c
+++ b/src/core/lib/surface/call_log_batch.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/surface/call.h"
+#include "src/core/lib/surface/call.h"
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 static void add_metadata(gpr_strvec *b, const grpc_metadata *md, size_t count) {
   size_t i;
diff --git a/src/core/surface/call_test_only.h b/src/core/lib/surface/call_test_only.h
index b57c95c64a..47088991d3 100644
--- a/src/core/surface/call_test_only.h
+++ b/src/core/lib/surface/call_test_only.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H
-#define GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H
+#ifndef GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H
+#define GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H
 
 #include <grpc/grpc.h>
 
@@ -61,4 +61,4 @@ uint32_t grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call *call);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H */
diff --git a/src/core/surface/channel.c b/src/core/lib/surface/channel.c
index 12d8ebceb9..b6b760b5d8 100644
--- a/src/core/surface/channel.c
+++ b/src/core/lib/surface/channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,13 +40,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/init.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 /** Cache grpc-status: X mdelems for X = 0..NUM_CACHED_STATUS_ELEMS.
  *  Avoids needing to take a metadata context lock for sending status
@@ -82,24 +82,37 @@ struct grpc_channel {
 
 static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, bool success);
 
-grpc_channel *grpc_channel_create_from_filters(
-    grpc_exec_ctx *exec_ctx, const char *target,
-    const grpc_channel_filter **filters, size_t num_filters,
-    const grpc_channel_args *args, int is_client) {
-  size_t i;
-  size_t size =
-      sizeof(grpc_channel) + grpc_channel_stack_size(filters, num_filters);
-  grpc_channel *channel = gpr_malloc(size);
+grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
+                                  const grpc_channel_args *input_args,
+                                  grpc_channel_stack_type channel_stack_type,
+                                  grpc_transport *optional_transport) {
+  bool is_client = grpc_channel_stack_type_is_client(channel_stack_type);
+
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(builder, input_args);
+  grpc_channel_stack_builder_set_target(builder, target);
+  grpc_channel_stack_builder_set_transport(builder, optional_transport);
+  grpc_channel *channel;
+  grpc_channel_args *args;
+  if (!grpc_channel_init_create_stack(exec_ctx, builder, channel_stack_type)) {
+    grpc_channel_stack_builder_destroy(builder);
+    return NULL;
+  } else {
+    args = grpc_channel_args_copy(
+        grpc_channel_stack_builder_get_channel_arguments(builder));
+    channel = grpc_channel_stack_builder_finish(
+        exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL);
+  }
+
   memset(channel, 0, sizeof(*channel));
   channel->target = gpr_strdup(target);
-  GPR_ASSERT(grpc_is_initialized() && "call grpc_init()");
   channel->is_client = is_client;
   gpr_mu_init(&channel->registered_call_mu);
   channel->registered_calls = NULL;
 
   channel->max_message_length = DEFAULT_MAX_MESSAGE_LENGTH;
   if (args) {
-    for (i = 0; i < args->num_args; i++) {
+    for (size_t i = 0; i < args->num_args; i++) {
       if (0 == strcmp(args->args[i].key, GRPC_ARG_MAX_MESSAGE_LENGTH)) {
         if (args->args[i].type != GRPC_ARG_INTEGER) {
           gpr_log(GPR_ERROR, "%s ignored: it must be an integer",
@@ -140,23 +153,9 @@ grpc_channel *grpc_channel_create_from_filters(
         }
       }
     }
+    grpc_channel_args_destroy(args);
   }
 
-  if (channel->is_client && channel->default_authority == NULL &&
-      target != NULL) {
-    char *default_authority = grpc_get_default_authority(target);
-    if (default_authority) {
-      channel->default_authority =
-          grpc_mdelem_from_strings(":authority", default_authority);
-    }
-    gpr_free(default_authority);
-  }
-
-  grpc_channel_stack_init(exec_ctx, 1, destroy_channel, channel, filters,
-                          num_filters, args,
-                          is_client ? "CLIENT_CHANNEL" : "SERVER_CHANNEL",
-                          CHANNEL_STACK_FROM_CHANNEL(channel));
-
   return channel;
 }
 
diff --git a/src/core/surface/channel.h b/src/core/lib/surface/channel.h
index 00240c637f..22dae930e4 100644
--- a/src/core/surface/channel.h
+++ b/src/core/lib/surface/channel.h
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
-#define GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/subchannel_factory.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/surface/channel_stack_type.h"
 
-grpc_channel *grpc_channel_create_from_filters(
-    grpc_exec_ctx *exec_ctx, const char *target,
-    const grpc_channel_filter **filters, size_t count,
-    const grpc_channel_args *args, int is_client);
+grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
+                                  const grpc_channel_args *args,
+                                  grpc_channel_stack_type channel_stack_type,
+                                  grpc_transport *optional_transport);
 
 /** Get a (borrowed) pointer to this channels underlying channel stack */
 grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel);
@@ -71,4 +71,4 @@ void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx,
   grpc_channel_internal_unref(exec_ctx, channel)
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */
diff --git a/src/core/lib/surface/channel_init.c b/src/core/lib/surface/channel_init.c
new file mode 100644
index 0000000000..0627b34479
--- /dev/null
+++ b/src/core/lib/surface/channel_init.c
@@ -0,0 +1,140 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/channel_init.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/useful.h>
+
+typedef struct stage_slot {
+  grpc_channel_init_stage fn;
+  void *arg;
+  int priority;
+  size_t insertion_order;
+} stage_slot;
+
+typedef struct stage_slots {
+  stage_slot *slots;
+  size_t num_slots;
+  size_t cap_slots;
+} stage_slots;
+
+static stage_slots g_slots[GRPC_NUM_CHANNEL_STACK_TYPES];
+static bool g_finalized;
+
+void grpc_channel_init_init(void) {
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    g_slots[i].slots = NULL;
+    g_slots[i].num_slots = 0;
+    g_slots[i].cap_slots = 0;
+  }
+  g_finalized = false;
+}
+
+void grpc_channel_init_register_stage(grpc_channel_stack_type type,
+                                      int priority,
+                                      grpc_channel_init_stage stage,
+                                      void *stage_arg) {
+  GPR_ASSERT(!g_finalized);
+  if (g_slots[type].cap_slots == g_slots[type].num_slots) {
+    g_slots[type].cap_slots = GPR_MAX(8, 3 * g_slots[type].cap_slots / 2);
+    g_slots[type].slots =
+        gpr_realloc(g_slots[type].slots,
+                    g_slots[type].cap_slots * sizeof(*g_slots[type].slots));
+  }
+  stage_slot *s = &g_slots[type].slots[g_slots[type].num_slots++];
+  s->insertion_order = g_slots[type].num_slots;
+  s->priority = priority;
+  s->fn = stage;
+  s->arg = stage_arg;
+}
+
+static int compare_slots(const void *a, const void *b) {
+  const stage_slot *sa = a;
+  const stage_slot *sb = b;
+
+  int c = GPR_ICMP(sa->priority, sb->priority);
+  if (c != 0) return c;
+  return GPR_ICMP(sa->insertion_order, sb->insertion_order);
+}
+
+void grpc_channel_init_finalize(void) {
+  GPR_ASSERT(!g_finalized);
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    qsort(g_slots[i].slots, g_slots[i].num_slots, sizeof(*g_slots[i].slots),
+          compare_slots);
+  }
+  g_finalized = true;
+}
+
+void grpc_channel_init_shutdown(void) {
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    gpr_free(g_slots[i].slots);
+    g_slots[i].slots = (void *)(uintptr_t)0xdeadbeef;
+  }
+}
+
+static const char *name_for_type(grpc_channel_stack_type type) {
+  switch (type) {
+    case GRPC_CLIENT_CHANNEL:
+      return "CLIENT_CHANNEL";
+    case GRPC_CLIENT_SUBCHANNEL:
+      return "CLIENT_SUBCHANNEL";
+    case GRPC_SERVER_CHANNEL:
+      return "SERVER_CHANNEL";
+    case GRPC_CLIENT_LAME_CHANNEL:
+      return "CLIENT_LAME_CHANNEL";
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return "CLIENT_DIRECT_CHANNEL";
+    case GRPC_NUM_CHANNEL_STACK_TYPES:
+      break;
+  }
+  GPR_UNREACHABLE_CODE(return "UNKNOWN");
+}
+
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type) {
+  GPR_ASSERT(g_finalized);
+
+  grpc_channel_stack_builder_set_name(builder, name_for_type(type));
+
+  for (size_t i = 0; i < g_slots[type].num_slots; i++) {
+    const stage_slot *slot = &g_slots[type].slots[i];
+    if (!slot->fn(builder, slot->arg)) {
+      return false;
+    }
+  }
+
+  return true;
+}
diff --git a/src/core/lib/surface/channel_init.h b/src/core/lib/surface/channel_init.h
new file mode 100644
index 0000000000..3a18a61ddb
--- /dev/null
+++ b/src/core/lib/surface/channel_init.h
@@ -0,0 +1,87 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H
+
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_stack_type.h"
+#include "src/core/lib/transport/transport.h"
+
+#define GRPC_CHANNEL_INIT_BUILTIN_PRIORITY 10000
+
+/// This module provides a way for plugins (and the grpc core library itself)
+/// to register mutators for channel stacks.
+/// It also provides a universal entry path to run those mutators to build
+/// a channel stack for various subsystems.
+
+/// One stage of mutation: call functions against \a builder to influence the
+/// finally constructed channel stack
+typedef bool (*grpc_channel_init_stage)(grpc_channel_stack_builder *builder,
+                                        void *arg);
+
+/// Global initialization of the system
+void grpc_channel_init_init(void);
+
+/// Register one stage of mutators.
+/// Stages are run in priority order (lowest to highest), and then in
+/// registration order (in the case of a tie).
+/// Stages are registered against one of the pre-determined channel stack
+/// types.
+void grpc_channel_init_register_stage(grpc_channel_stack_type type,
+                                      int priority,
+                                      grpc_channel_init_stage stage_fn,
+                                      void *stage_arg);
+
+/// Finalize registration. No more calls to grpc_channel_init_register_stage are
+/// allowed.
+void grpc_channel_init_finalize(void);
+/// Shutdown the channel init system
+void grpc_channel_init_shutdown(void);
+
+/// Construct a channel stack of some sort: see channel_stack.h for details
+/// \a type is the type of channel stack to create
+/// \a prefix_bytes is the number of bytes before the channel stack to allocate
+/// \a args are configuration arguments for the channel stack
+/// \a initial_refs is the initial refcount to give the channel stack
+/// \a destroy and \a destroy_arg specify how to destroy the channel stack
+///    if destroy_arg is NULL, the returned value from this function will be
+///    substituted
+/// \a optional_transport is either NULL or a constructed transport object
+/// Returns a pointer to the base of the memory allocated (the actual channel
+/// stack object will be prefix_bytes past that pointer)
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type);
+
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H */
diff --git a/src/core/surface/channel_ping.c b/src/core/lib/surface/channel_ping.c
index 983f1c8a66..5a50698695 100644
--- a/src/core/surface/channel_ping.c
+++ b/src/core/lib/surface/channel_ping.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 typedef struct {
   grpc_closure closure;
diff --git a/src/core/lib/surface/channel_stack_type.c b/src/core/lib/surface/channel_stack_type.c
new file mode 100644
index 0000000000..c35d603ca3
--- /dev/null
+++ b/src/core/lib/surface/channel_stack_type.c
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/channel_stack_type.h"
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+
+bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type) {
+  switch (type) {
+    case GRPC_CLIENT_CHANNEL:
+      return true;
+    case GRPC_CLIENT_SUBCHANNEL:
+      return true;
+    case GRPC_CLIENT_LAME_CHANNEL:
+      return true;
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return true;
+    case GRPC_SERVER_CHANNEL:
+      return false;
+    case GRPC_NUM_CHANNEL_STACK_TYPES:
+      break;
+  }
+  GPR_UNREACHABLE_CODE(return true;);
+}
diff --git a/src/core/httpcli/parser.h b/src/core/lib/surface/channel_stack_type.h
index cd0383637f..4eea4f1b01 100644
--- a/src/core/httpcli/parser.h
+++ b/src/core/lib/surface/channel_stack_type.h
@@ -31,34 +31,28 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H
 
-#include "src/core/httpcli/httpcli.h"
-#include <grpc/support/port_platform.h>
-#include <grpc/support/slice.h>
+#include <stdbool.h>
 
 typedef enum {
-  GRPC_HTTPCLI_INITIAL_RESPONSE,
-  GRPC_HTTPCLI_HEADERS,
-  GRPC_HTTPCLI_BODY
-} grpc_httpcli_parser_state;
-
-typedef struct {
-  grpc_httpcli_parser_state state;
-
-  grpc_httpcli_response r;
-  size_t body_capacity;
-  size_t hdr_capacity;
-
-  uint8_t cur_line[GRPC_HTTPCLI_MAX_HEADER_LENGTH];
-  size_t cur_line_length;
-} grpc_httpcli_parser;
-
-void grpc_httpcli_parser_init(grpc_httpcli_parser* parser);
-void grpc_httpcli_parser_destroy(grpc_httpcli_parser* parser);
-
-int grpc_httpcli_parser_parse(grpc_httpcli_parser* parser, gpr_slice slice);
-int grpc_httpcli_parser_eof(grpc_httpcli_parser* parser);
-
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H */
+  // normal top-half client channel with load-balancing, connection management
+  GRPC_CLIENT_CHANNEL,
+  // bottom-half of a client channel: everything that happens post-load
+  // balancing (bound to a specific transport)
+  GRPC_CLIENT_SUBCHANNEL,
+  // a permanently broken client channel
+  GRPC_CLIENT_LAME_CHANNEL,
+  // a directly connected client channel (without load-balancing, directly talks
+  // to a transport)
+  GRPC_CLIENT_DIRECT_CHANNEL,
+  // server side channel
+  GRPC_SERVER_CHANNEL,
+  // must be last
+  GRPC_NUM_CHANNEL_STACK_TYPES
+} grpc_channel_stack_type;
+
+bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type);
+
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H */
diff --git a/src/core/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
index 75298eb795..5ec8808b50 100644
--- a/src/core/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,31 +31,34 @@
  *
  */
 
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/event_string.h"
-#include "src/core/surface/surface_trace.h"
-#include "src/core/profiling/timers.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/event_string.h"
+#include "src/core/lib/surface/surface_trace.h"
+
 typedef struct {
-  grpc_pollset_worker *worker;
+  grpc_pollset_worker **worker;
   void *tag;
 } plucker;
 
 /* Completion queue structure */
 struct grpc_completion_queue {
+  /** owned by pollset */
+  gpr_mu *mu;
   /** completed events */
   grpc_cq_completion completed_head;
   grpc_cq_completion *completed_tail;
@@ -63,8 +66,6 @@ struct grpc_completion_queue {
   gpr_refcount pending_events;
   /** Once owning_refs drops to zero, we will destroy the cq */
   gpr_refcount owning_refs;
-  /** the set of low level i/o things that concern this cq */
-  grpc_pollset pollset;
   /** 0 initially, 1 once we've begun shutting down */
   int shutdown;
   int shutdown_called;
@@ -82,8 +83,10 @@ struct grpc_completion_queue {
   grpc_completion_queue *next_free;
 };
 
+#define POLLSET_FROM_CQ(cq) ((grpc_pollset *)(cq + 1))
+
 static gpr_mu g_freelist_mu;
-grpc_completion_queue *g_freelist;
+static grpc_completion_queue *g_freelist;
 
 static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *cc,
                                      bool success);
@@ -94,7 +97,7 @@ void grpc_cq_global_shutdown(void) {
   gpr_mu_destroy(&g_freelist_mu);
   while (g_freelist) {
     grpc_completion_queue *next = g_freelist->next_free;
-    grpc_pollset_destroy(&g_freelist->pollset);
+    grpc_pollset_destroy(POLLSET_FROM_CQ(g_freelist));
 #ifndef NDEBUG
     gpr_free(g_freelist->outstanding_tags);
 #endif
@@ -124,8 +127,8 @@ grpc_completion_queue *grpc_completion_queue_create(void *reserved) {
   if (g_freelist == NULL) {
     gpr_mu_unlock(&g_freelist_mu);
 
-    cc = gpr_malloc(sizeof(grpc_completion_queue));
-    grpc_pollset_init(&cc->pollset);
+    cc = gpr_malloc(sizeof(grpc_completion_queue) + grpc_pollset_size());
+    grpc_pollset_init(POLLSET_FROM_CQ(cc), &cc->mu);
 #ifndef NDEBUG
     cc->outstanding_tags = NULL;
     cc->outstanding_tag_capacity = 0;
@@ -184,7 +187,7 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc) {
 #endif
   if (gpr_unref(&cc->owning_refs)) {
     GPR_ASSERT(cc->completed_head.next == (uintptr_t)&cc->completed_head);
-    grpc_pollset_reset(&cc->pollset);
+    grpc_pollset_reset(POLLSET_FROM_CQ(cc));
     gpr_mu_lock(&g_freelist_mu);
     cc->next_free = g_freelist;
     g_freelist = cc;
@@ -194,7 +197,7 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc) {
 
 void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) {
 #ifndef NDEBUG
-  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_lock(cc->mu);
   GPR_ASSERT(!cc->shutdown_called);
   if (cc->outstanding_tag_count == cc->outstanding_tag_capacity) {
     cc->outstanding_tag_capacity = GPR_MAX(4, 2 * cc->outstanding_tag_capacity);
@@ -203,7 +206,7 @@ void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) {
                                               cc->outstanding_tag_capacity);
   }
   cc->outstanding_tags[cc->outstanding_tag_count++] = tag;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_unlock(cc->mu);
 #endif
   gpr_ref(&cc->pending_events);
 }
@@ -231,7 +234,7 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
   storage->next =
       ((uintptr_t)&cc->completed_head) | ((uintptr_t)(success != 0));
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_lock(cc->mu);
 #ifndef NDEBUG
   for (i = 0; i < (int)cc->outstanding_tag_count; i++) {
     if (cc->outstanding_tags[i] == tag) {
@@ -252,12 +255,12 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
     pluck_worker = NULL;
     for (i = 0; i < cc->num_pluckers; i++) {
       if (cc->pluckers[i].tag == tag) {
-        pluck_worker = cc->pluckers[i].worker;
+        pluck_worker = *cc->pluckers[i].worker;
         break;
       }
     }
-    grpc_pollset_kick(&cc->pollset, pluck_worker);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+    grpc_pollset_kick(POLLSET_FROM_CQ(cc), pluck_worker);
+    gpr_mu_unlock(cc->mu);
   } else {
     cc->completed_tail->next =
         ((uintptr_t)storage) | (1u & (uintptr_t)cc->completed_tail->next);
@@ -265,8 +268,9 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
     GPR_ASSERT(!cc->shutdown);
     GPR_ASSERT(cc->shutdown_called);
     cc->shutdown = 1;
-    grpc_pollset_shutdown(exec_ctx, &cc->pollset, &cc->pollset_shutdown_done);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+    grpc_pollset_shutdown(exec_ctx, POLLSET_FROM_CQ(cc),
+                          &cc->pollset_shutdown_done);
+    gpr_mu_unlock(cc->mu);
   }
 
   GPR_TIMER_END("grpc_cq_end_op", 0);
@@ -275,7 +279,7 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
 grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
                                       gpr_timespec deadline, void *reserved) {
   grpc_event ret;
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   int first_loop = 1;
   gpr_timespec now;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -294,7 +298,7 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
   deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);
 
   GRPC_CQ_INTERNAL_REF(cc, "next");
-  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_lock(cc->mu);
   for (;;) {
     if (cc->completed_tail != &cc->completed_head) {
       grpc_cq_completion *c = (grpc_cq_completion *)cc->completed_head.next;
@@ -302,7 +306,7 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
       if (c == cc->completed_tail) {
         cc->completed_tail = &cc->completed_head;
       }
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       ret.type = GRPC_OP_COMPLETE;
       ret.success = c->next & 1u;
       ret.tag = c->tag;
@@ -310,20 +314,34 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
       break;
     }
     if (cc->shutdown) {
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       memset(&ret, 0, sizeof(ret));
       ret.type = GRPC_QUEUE_SHUTDOWN;
       break;
     }
     now = gpr_now(GPR_CLOCK_MONOTONIC);
     if (!first_loop && gpr_time_cmp(now, deadline) >= 0) {
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       memset(&ret, 0, sizeof(ret));
       ret.type = GRPC_QUEUE_TIMEOUT;
       break;
     }
     first_loop = 0;
-    grpc_pollset_work(&exec_ctx, &cc->pollset, &worker, now, deadline);
+    /* Check alarms - these are a global resource so we just ping
+       each time through on every pollset.
+       May update deadline to ensure timely wakeups.
+       TODO(ctiller): can this work be localized? */
+    gpr_timespec iteration_deadline = deadline;
+    if (grpc_timer_check(&exec_ctx, now, &iteration_deadline)) {
+      GPR_TIMER_MARK("alarm_triggered", 0);
+      gpr_mu_unlock(cc->mu);
+      grpc_exec_ctx_flush(&exec_ctx);
+      gpr_mu_lock(cc->mu);
+      continue;
+    } else {
+      grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), &worker, now,
+                        iteration_deadline);
+    }
   }
   GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
   GRPC_CQ_INTERNAL_UNREF(cc, "next");
@@ -335,7 +353,7 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
 }
 
 static int add_plucker(grpc_completion_queue *cc, void *tag,
-                       grpc_pollset_worker *worker) {
+                       grpc_pollset_worker **worker) {
   if (cc->num_pluckers == GRPC_MAX_COMPLETION_QUEUE_PLUCKERS) {
     return 0;
   }
@@ -346,7 +364,7 @@ static int add_plucker(grpc_completion_queue *cc, void *tag,
 }
 
 static void del_plucker(grpc_completion_queue *cc, void *tag,
-                        grpc_pollset_worker *worker) {
+                        grpc_pollset_worker **worker) {
   int i;
   for (i = 0; i < cc->num_pluckers; i++) {
     if (cc->pluckers[i].tag == tag && cc->pluckers[i].worker == worker) {
@@ -363,7 +381,7 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
   grpc_event ret;
   grpc_cq_completion *c;
   grpc_cq_completion *prev;
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   gpr_timespec now;
   int first_loop = 1;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -382,7 +400,7 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
   deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);
 
   GRPC_CQ_INTERNAL_REF(cc, "pluck");
-  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_lock(cc->mu);
   for (;;) {
     prev = &cc->completed_head;
     while ((c = (grpc_cq_completion *)(prev->next & ~(uintptr_t)1)) !=
@@ -392,7 +410,7 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
         if (c == cc->completed_tail) {
           cc->completed_tail = prev;
         }
-        gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+        gpr_mu_unlock(cc->mu);
         ret.type = GRPC_OP_COMPLETE;
         ret.success = c->next & 1u;
         ret.tag = c->tag;
@@ -402,7 +420,7 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
       prev = c;
     }
     if (cc->shutdown) {
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       memset(&ret, 0, sizeof(ret));
       ret.type = GRPC_QUEUE_SHUTDOWN;
       break;
@@ -412,7 +430,7 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
               "Too many outstanding grpc_completion_queue_pluck calls: maximum "
               "is %d",
               GRPC_MAX_COMPLETION_QUEUE_PLUCKERS);
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       memset(&ret, 0, sizeof(ret));
       /* TODO(ctiller): should we use a different result here */
       ret.type = GRPC_QUEUE_TIMEOUT;
@@ -421,13 +439,26 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
     now = gpr_now(GPR_CLOCK_MONOTONIC);
     if (!first_loop && gpr_time_cmp(now, deadline) >= 0) {
       del_plucker(cc, tag, &worker);
-      gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+      gpr_mu_unlock(cc->mu);
       memset(&ret, 0, sizeof(ret));
       ret.type = GRPC_QUEUE_TIMEOUT;
       break;
     }
     first_loop = 0;
-    grpc_pollset_work(&exec_ctx, &cc->pollset, &worker, now, deadline);
+    /* Check alarms - these are a global resource so we just ping
+       each time through on every pollset.
+       May update deadline to ensure timely wakeups.
+       TODO(ctiller): can this work be localized? */
+    gpr_timespec iteration_deadline = deadline;
+    if (grpc_timer_check(&exec_ctx, now, &iteration_deadline)) {
+      GPR_TIMER_MARK("alarm_triggered", 0);
+      gpr_mu_unlock(cc->mu);
+      grpc_exec_ctx_flush(&exec_ctx);
+      gpr_mu_lock(cc->mu);
+    } else {
+      grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), &worker, now,
+                        iteration_deadline);
+    }
     del_plucker(cc, tag, &worker);
   }
 done:
@@ -446,9 +477,9 @@ void grpc_completion_queue_shutdown(grpc_completion_queue *cc) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   GPR_TIMER_BEGIN("grpc_completion_queue_shutdown", 0);
   GRPC_API_TRACE("grpc_completion_queue_shutdown(cc=%p)", 1, (cc));
-  gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_lock(cc->mu);
   if (cc->shutdown_called) {
-    gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+    gpr_mu_unlock(cc->mu);
     GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
     return;
   }
@@ -456,9 +487,10 @@ void grpc_completion_queue_shutdown(grpc_completion_queue *cc) {
   if (gpr_unref(&cc->pending_events)) {
     GPR_ASSERT(!cc->shutdown);
     cc->shutdown = 1;
-    grpc_pollset_shutdown(&exec_ctx, &cc->pollset, &cc->pollset_shutdown_done);
+    grpc_pollset_shutdown(&exec_ctx, POLLSET_FROM_CQ(cc),
+                          &cc->pollset_shutdown_done);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+  gpr_mu_unlock(cc->mu);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
 }
@@ -472,7 +504,7 @@ void grpc_completion_queue_destroy(grpc_completion_queue *cc) {
 }
 
 grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc) {
-  return &cc->pollset;
+  return POLLSET_FROM_CQ(cc);
 }
 
 void grpc_cq_mark_server_cq(grpc_completion_queue *cc) { cc->is_server_cq = 1; }
diff --git a/src/core/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h
index 27ef90f2d5..eef82cf014 100644
--- a/src/core/surface/completion_queue.h
+++ b/src/core/lib/surface/completion_queue.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H
-#define GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H
+#ifndef GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H
+#define GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H
 
 /* Internal API for completion queues */
 
-#include "src/core/iomgr/pollset.h"
 #include <grpc/grpc.h>
+#include "src/core/lib/iomgr/pollset.h"
 
 typedef struct grpc_cq_completion {
   /** user supplied tag */
@@ -88,4 +88,4 @@ int grpc_cq_is_server_cq(grpc_completion_queue *cc);
 void grpc_cq_global_init(void);
 void grpc_cq_global_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H */
diff --git a/src/core/surface/event_string.c b/src/core/lib/surface/event_string.c
index 33cd4a43aa..1abc6ebf8c 100644
--- a/src/core/surface/event_string.c
+++ b/src/core/lib/surface/event_string.c
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/surface/event_string.h"
+#include "src/core/lib/surface/event_string.h"
 
 #include <stdio.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 static void addhdr(gpr_strvec *buf, grpc_event *ev) {
   char *tmp;
diff --git a/src/core/surface/event_string.h b/src/core/lib/surface/event_string.h
index 07c474e3a0..bc1464380d 100644
--- a/src/core/surface/event_string.h
+++ b/src/core/lib/surface/event_string.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H
-#define GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H
+#ifndef GRPC_CORE_LIB_SURFACE_EVENT_STRING_H
+#define GRPC_CORE_LIB_SURFACE_EVENT_STRING_H
 
 #include <grpc/grpc.h>
 
 /* Returns a string describing an event. Must be later freed with gpr_free() */
 char *grpc_event_string(grpc_event *ev);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H */
+#endif /* GRPC_CORE_LIB_SURFACE_EVENT_STRING_H */
diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c
new file mode 100644
index 0000000000..ec75af6e06
--- /dev/null
+++ b/src/core/lib/surface/init.c
@@ -0,0 +1,212 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include <limits.h>
+#include <memory.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/time.h>
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/surface/lame_client.h"
+#include "src/core/lib/surface/server.h"
+#include "src/core/lib/surface/surface_trace.h"
+#include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/transport_impl.h"
+
+/* (generated) built in registry of plugins */
+extern void grpc_register_built_in_plugins(void);
+
+#define MAX_PLUGINS 128
+
+static gpr_once g_basic_init = GPR_ONCE_INIT;
+static gpr_mu g_init_mu;
+static int g_initializations;
+
+static void do_basic_init(void) {
+  gpr_mu_init(&g_init_mu);
+  grpc_register_built_in_plugins();
+  g_initializations = 0;
+}
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool prepend_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_prepend_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool maybe_add_http_filter(grpc_channel_stack_builder *builder,
+                                  void *arg) {
+  grpc_transport *t = grpc_channel_stack_builder_get_transport(builder);
+  if (t && strstr(t->vtable->name, "http")) {
+    return grpc_channel_stack_builder_prepend_filter(
+        builder, (const grpc_channel_filter *)arg, NULL, NULL);
+  }
+  return true;
+}
+
+static void register_builtin_channel_init() {
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      prepend_filter, (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_server_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_LAME_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   append_filter, (void *)&grpc_lame_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, prepend_filter,
+                                   (void *)&grpc_server_top_filter);
+}
+
+typedef struct grpc_plugin {
+  void (*init)();
+  void (*destroy)();
+} grpc_plugin;
+
+static grpc_plugin g_all_of_the_plugins[MAX_PLUGINS];
+static int g_number_of_plugins = 0;
+
+void grpc_register_plugin(void (*init)(void), void (*destroy)(void)) {
+  GRPC_API_TRACE("grpc_register_plugin(init=%p, destroy=%p)", 2,
+                 ((void *)(intptr_t)init, (void *)(intptr_t)destroy));
+  GPR_ASSERT(g_number_of_plugins != MAX_PLUGINS);
+  g_all_of_the_plugins[g_number_of_plugins].init = init;
+  g_all_of_the_plugins[g_number_of_plugins].destroy = destroy;
+  g_number_of_plugins++;
+}
+
+void grpc_init(void) {
+  int i;
+  gpr_once_init(&g_basic_init, do_basic_init);
+
+  gpr_mu_lock(&g_init_mu);
+  if (++g_initializations == 1) {
+    gpr_time_init();
+    grpc_mdctx_global_init();
+    grpc_channel_init_init();
+    grpc_register_tracer("api", &grpc_api_trace);
+    grpc_register_tracer("channel", &grpc_trace_channel);
+    grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
+    grpc_register_tracer("channel_stack_builder",
+                         &grpc_trace_channel_stack_builder);
+    grpc_security_pre_init();
+    grpc_iomgr_init();
+    grpc_executor_init();
+    grpc_tracer_init("GRPC_TRACE");
+    gpr_timers_global_init();
+    grpc_cq_global_init();
+    for (i = 0; i < g_number_of_plugins; i++) {
+      if (g_all_of_the_plugins[i].init != NULL) {
+        g_all_of_the_plugins[i].init();
+      }
+    }
+    /* register channel finalization AFTER all plugins, to ensure that it's run
+     * at the appropriate time */
+    grpc_register_security_filters();
+    register_builtin_channel_init();
+    /* no more changes to channel init pipelines */
+    grpc_channel_init_finalize();
+  }
+  gpr_mu_unlock(&g_init_mu);
+  GRPC_API_TRACE("grpc_init(void)", 0, ());
+}
+
+void grpc_shutdown(void) {
+  int i;
+  GRPC_API_TRACE("grpc_shutdown(void)", 0, ());
+  gpr_mu_lock(&g_init_mu);
+  if (--g_initializations == 0) {
+    grpc_executor_shutdown();
+    grpc_cq_global_shutdown();
+    grpc_iomgr_shutdown();
+    gpr_timers_global_destroy();
+    grpc_tracer_shutdown();
+    for (i = g_number_of_plugins; i >= 0; i--) {
+      if (g_all_of_the_plugins[i].destroy != NULL) {
+        g_all_of_the_plugins[i].destroy();
+      }
+    }
+    grpc_mdctx_global_shutdown();
+  }
+  gpr_mu_unlock(&g_init_mu);
+}
+
+int grpc_is_initialized(void) {
+  int r;
+  gpr_once_init(&g_basic_init, do_basic_init);
+  gpr_mu_lock(&g_init_mu);
+  r = g_initializations > 0;
+  gpr_mu_unlock(&g_init_mu);
+  return r;
+}
diff --git a/src/core/surface/init.h b/src/core/lib/surface/init.h
index 771c30f412..b1bf57c10d 100644
--- a/src/core/surface/init.h
+++ b/src/core/lib/surface/init.h
@@ -31,10 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_INIT_H
-#define GRPC_INTERNAL_CORE_SURFACE_INIT_H
+#ifndef GRPC_CORE_LIB_SURFACE_INIT_H
+#define GRPC_CORE_LIB_SURFACE_INIT_H
 
+void grpc_register_security_filters(void);
 void grpc_security_pre_init(void);
 int grpc_is_initialized(void);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_INIT_H */
+#endif /* GRPC_CORE_LIB_SURFACE_INIT_H */
diff --git a/src/core/lib/surface/init_secure.c b/src/core/lib/surface/init_secure.c
new file mode 100644
index 0000000000..3fda2c9e1e
--- /dev/null
+++ b/src/core/lib/surface/init_secure.c
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/init.h"
+
+#include <limits.h>
+#include <string.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
+
+void grpc_security_pre_init(void) {
+  grpc_register_tracer("secure_endpoint", &grpc_trace_secure_endpoint);
+  grpc_register_tracer("transport_security", &tsi_tracing_enabled);
+}
+
+static bool maybe_prepend_client_auth_filter(
+    grpc_channel_stack_builder *builder, void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (args) {
+    for (size_t i = 0; i < args->num_args; i++) {
+      if (0 == strcmp(GRPC_SECURITY_CONNECTOR_ARG, args->args[i].key)) {
+        return grpc_channel_stack_builder_prepend_filter(
+            builder, &grpc_client_auth_filter, NULL, NULL);
+      }
+    }
+  }
+  return true;
+}
+
+static bool maybe_prepend_server_auth_filter(
+    grpc_channel_stack_builder *builder, void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (args) {
+    for (size_t i = 0; i < args->num_args; i++) {
+      if (0 == strcmp(GRPC_SERVER_CREDENTIALS_ARG, args->args[i].key)) {
+        return grpc_channel_stack_builder_prepend_filter(
+            builder, &grpc_server_auth_filter, NULL, NULL);
+      }
+    }
+  }
+  return true;
+}
+
+void grpc_register_security_filters(void) {
+  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
+                                   maybe_prepend_client_auth_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+                                   maybe_prepend_client_auth_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+                                   maybe_prepend_server_auth_filter, NULL);
+}
diff --git a/src/core/surface/init_unsecure.c b/src/core/lib/surface/init_unsecure.c
index 630d564a7d..f952739e0a 100644
--- a/src/core/surface/init_unsecure.c
+++ b/src/core/lib/surface/init_unsecure.c
@@ -31,6 +31,8 @@
  *
  */
 
-#include "src/core/surface/init.h"
+#include "src/core/lib/surface/init.h"
 
 void grpc_security_pre_init(void) {}
+
+void grpc_register_security_filters(void) {}
diff --git a/src/core/surface/lame_client.c b/src/core/lib/surface/lame_client.c
index 537069e984..c1f6812c4e 100644
--- a/src/core/surface/lame_client.c
+++ b/src/core/lib/surface/lame_client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,19 @@
  *
  */
 
+#include "src/core/lib/surface/lame_client.h"
+
 #include <grpc/grpc.h>
 
 #include <string.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/call.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
 
 typedef struct {
   grpc_linked_mdelem status;
@@ -115,11 +117,18 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
-static const grpc_channel_filter lame_filter = {
-    lame_start_transport_stream_op, lame_start_transport_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    lame_get_peer, "lame-client",
+const grpc_channel_filter grpc_lame_filter = {
+    lame_start_transport_stream_op,
+    lame_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    lame_get_peer,
+    "lame-client",
 };
 
 #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1))
@@ -127,19 +136,17 @@ static const grpc_channel_filter lame_filter = {
 grpc_channel *grpc_lame_client_channel_create(const char *target,
                                               grpc_status_code error_code,
                                               const char *error_message) {
-  grpc_channel *channel;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_channel_element *elem;
   channel_data *chand;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  static const grpc_channel_filter *filters[] = {&lame_filter};
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, 1, NULL, 1);
+  grpc_channel *channel = grpc_channel_create(&exec_ctx, target, NULL,
+                                              GRPC_CLIENT_LAME_CHANNEL, NULL);
   elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
   GRPC_API_TRACE(
       "grpc_lame_client_channel_create(target=%s, error_code=%d, "
       "error_message=%s)",
       3, (target, (int)error_code, error_message));
-  GPR_ASSERT(elem->filter == &lame_filter);
+  GPR_ASSERT(elem->filter == &grpc_lame_filter);
   chand = (channel_data *)elem->channel_data;
   chand->error_code = error_code;
   chand->error_message = error_message;
diff --git a/src/core/lib/surface/lame_client.h b/src/core/lib/surface/lame_client.h
new file mode 100644
index 0000000000..5f6ea34d4b
--- /dev/null
+++ b/src/core/lib/surface/lame_client.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H
+#define GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H
+
+#include "src/core/lib/channel/channel_stack.h"
+
+extern const grpc_channel_filter grpc_lame_filter;
+
+#endif /* GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H */
diff --git a/src/core/surface/metadata_array.c b/src/core/lib/surface/metadata_array.c
index 4c7bf17835..6c2b750e1d 100644
--- a/src/core/surface/metadata_array.c
+++ b/src/core/lib/surface/metadata_array.c
@@ -36,7 +36,7 @@
 
 #include <string.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 void grpc_metadata_array_init(grpc_metadata_array* array) {
   GRPC_API_TRACE("grpc_metadata_array_init(array=%p)", 1, (array));
diff --git a/src/core/surface/server.c b/src/core/lib/surface/server.c
index fb5e0d4b9e..ad8ee8c7a9 100644
--- a/src/core/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/surface/server.h"
+#include "src/core/lib/surface/server.h"
 
 #include <limits.h>
 #include <stdlib.h>
@@ -42,19 +42,18 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/stack_lockfree.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/init.h"
-#include "src/core/transport/metadata.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/stack_lockfree.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct listener {
   void *arg;
@@ -96,11 +95,11 @@ typedef struct requested_call {
       grpc_byte_buffer **optional_payload;
     } registered;
   } data;
-  grpc_closure publish;
 } requested_call;
 
 typedef struct channel_registered_method {
   registered_method *server_registered_method;
+  uint32_t flags;
   grpc_mdstr *method;
   grpc_mdstr *host;
 } channel_registered_method;
@@ -153,17 +152,24 @@ struct call_data {
   grpc_completion_queue *cq_new;
 
   grpc_metadata_batch *recv_initial_metadata;
+  bool recv_idempotent_request;
   grpc_metadata_array initial_metadata;
 
+  request_matcher *request_matcher;
+  grpc_byte_buffer *payload;
+
   grpc_closure got_initial_metadata;
   grpc_closure server_on_recv_initial_metadata;
   grpc_closure kill_zombie_closure;
   grpc_closure *on_done_recv_initial_metadata;
 
+  grpc_closure publish;
+
   call_data *pending_next;
 };
 
 struct request_matcher {
+  grpc_server *server;
   call_data *pending_head;
   call_data *pending_tail;
   gpr_stack_lockfree *requests;
@@ -172,6 +178,8 @@ struct request_matcher {
 struct registered_method {
   char *method;
   char *host;
+  grpc_server_register_method_payload_handling payload_handling;
+  uint32_t flags;
   request_matcher request_matcher;
   registered_method *next;
 };
@@ -182,8 +190,6 @@ typedef struct {
 } channel_broadcaster;
 
 struct grpc_server {
-  size_t channel_filter_count;
-  grpc_channel_filter const **channel_filters;
   grpc_channel_args *channel_args;
 
   grpc_completion_queue **cqs;
@@ -226,8 +232,7 @@ struct grpc_server {
 #define SERVER_FROM_CALL_ELEM(elem) \
   (((channel_data *)(elem)->channel_data)->server)
 
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc);
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *calld, bool success);
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc);
 /* Before calling maybe_finish_shutdown, we must hold mu_global and not
@@ -303,8 +308,10 @@ static void channel_broadcaster_shutdown(grpc_exec_ctx *exec_ctx,
  * request_matcher
  */
 
-static void request_matcher_init(request_matcher *rm, size_t entries) {
+static void request_matcher_init(request_matcher *rm, size_t entries,
+                                 grpc_server *server) {
   memset(rm, 0, sizeof(*rm));
+  rm->server = server;
   rm->requests = gpr_stack_lockfree_create(entries);
 }
 
@@ -355,7 +362,6 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) {
   grpc_channel_args_destroy(server->channel_args);
   gpr_mu_destroy(&server->mu_global);
   gpr_mu_destroy(&server->mu_call);
-  gpr_free((void *)server->channel_filters);
   while ((rm = server->registered_methods) != NULL) {
     server->registered_methods = rm->next;
     request_matcher_destroy(&rm->request_matcher);
@@ -407,25 +413,101 @@ static void destroy_channel(grpc_exec_ctx *exec_ctx, channel_data *chand) {
   maybe_finish_shutdown(exec_ctx, chand->server);
   chand->finish_destroy_channel_closure.cb = finish_destroy_channel;
   chand->finish_destroy_channel_closure.cb_arg = chand;
-  grpc_exec_ctx_enqueue(exec_ctx, &chand->finish_destroy_channel_closure, true,
-                        NULL);
+
+  grpc_transport_op op;
+  memset(&op, 0, sizeof(op));
+  op.set_accept_stream = true;
+  op.on_consumed = &chand->finish_destroy_channel_closure;
+  grpc_channel_next_op(exec_ctx,
+                       grpc_channel_stack_element(
+                           grpc_channel_get_channel_stack(chand->channel), 0),
+                       &op);
 }
 
-static void finish_start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                                 grpc_call_element *elem, request_matcher *rm) {
-  call_data *calld = elem->call_data;
-  int request_id;
+static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
+  gpr_slice slice = value->slice;
+  size_t len = GPR_SLICE_LENGTH(slice);
 
-  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+  if (len + 1 > *capacity) {
+    *capacity = GPR_MAX(len + 1, *capacity * 2);
+    *dest = gpr_realloc(*dest, *capacity);
+  }
+  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
+}
+
+static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
+                               grpc_cq_completion *c) {
+  requested_call *rc = req;
+  grpc_server *server = rc->server;
+
+  if (rc >= server->requested_calls &&
+      rc < server->requested_calls + server->max_requested_calls) {
+    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
+    gpr_stack_lockfree_push(server->request_freelist,
+                            (int)(rc - server->requested_calls));
+  } else {
+    gpr_free(req);
+  }
+
+  server_unref(exec_ctx, server);
+}
+
+static void publish_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
+                         call_data *calld, requested_call *rc) {
+  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
+  grpc_call *call = calld->call;
+  *rc->call = call;
+  calld->cq_new = rc->cq_for_notification;
+  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
+  switch (rc->type) {
+    case BATCH_CALL:
+      GPR_ASSERT(calld->host != NULL);
+      GPR_ASSERT(calld->path != NULL);
+      cpstr(&rc->data.batch.details->host,
+            &rc->data.batch.details->host_capacity, calld->host);
+      cpstr(&rc->data.batch.details->method,
+            &rc->data.batch.details->method_capacity, calld->path);
+      rc->data.batch.details->deadline = calld->deadline;
+      rc->data.batch.details->flags =
+          0 | (calld->recv_idempotent_request
+                   ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+                   : 0);
+      break;
+    case REGISTERED_CALL:
+      *rc->data.registered.deadline = calld->deadline;
+      if (rc->data.registered.optional_payload) {
+        *rc->data.registered.optional_payload = calld->payload;
+      }
+      break;
+    default:
+      GPR_UNREACHABLE_CODE(return );
+  }
+
+  grpc_call_element *elem =
+      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
+  channel_data *chand = elem->channel_data;
+  server_ref(chand->server);
+  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, true, done_request_event, rc,
+                 &rc->completion);
+}
+
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  call_data *calld = arg;
+  request_matcher *rm = calld->request_matcher;
+  grpc_server *server = rm->server;
+
+  if (!success || gpr_atm_acq_load(&server->shutdown_flag)) {
     gpr_mu_lock(&calld->mu_state);
     calld->state = ZOMBIED;
     gpr_mu_unlock(&calld->mu_state);
-    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_closure_init(
+        &calld->kill_zombie_closure, kill_zombie,
+        grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0));
     grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
     return;
   }
 
-  request_id = gpr_stack_lockfree_pop(rm->requests);
+  int request_id = gpr_stack_lockfree_pop(rm->requests);
   if (request_id == -1) {
     gpr_mu_lock(&server->mu_call);
     gpr_mu_lock(&calld->mu_state);
@@ -443,7 +525,41 @@ static void finish_start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_server *server,
     gpr_mu_lock(&calld->mu_state);
     calld->state = ACTIVATED;
     gpr_mu_unlock(&calld->mu_state);
-    begin_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+    publish_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+  }
+}
+
+static void finish_start_new_rpc(
+    grpc_exec_ctx *exec_ctx, grpc_server *server, grpc_call_element *elem,
+    request_matcher *rm,
+    grpc_server_register_method_payload_handling payload_handling) {
+  call_data *calld = elem->call_data;
+
+  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+    gpr_mu_lock(&calld->mu_state);
+    calld->state = ZOMBIED;
+    gpr_mu_unlock(&calld->mu_state);
+    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
+    return;
+  }
+
+  calld->request_matcher = rm;
+
+  switch (payload_handling) {
+    case GRPC_SRM_PAYLOAD_NONE:
+      publish_new_rpc(exec_ctx, calld, true);
+      break;
+    case GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER: {
+      grpc_op op;
+      memset(&op, 0, sizeof(op));
+      op.op = GRPC_OP_RECV_MESSAGE;
+      op.data.recv_message = &calld->payload;
+      grpc_closure_init(&calld->publish, publish_new_rpc, calld);
+      grpc_call_start_batch_and_execute(exec_ctx, calld->call, &op, 1,
+                                        &calld->publish);
+      break;
+    }
   }
 }
 
@@ -465,8 +581,12 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != calld->host) continue;
       if (rm->method != calld->path) continue;
+      if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) &&
+          !calld->recv_idempotent_request)
+        continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
     /* check for a wildcard method definition (no host set) */
@@ -477,13 +597,18 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != NULL) continue;
       if (rm->method != calld->path) continue;
+      if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) &&
+          !calld->recv_idempotent_request)
+        continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
   }
   finish_start_new_rpc(exec_ctx, server, elem,
-                       &server->unregistered_request_matcher);
+                       &server->unregistered_request_matcher,
+                       GRPC_SRM_PAYLOAD_NONE);
 }
 
 static int num_listeners(grpc_server *server) {
@@ -560,10 +685,14 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
   if (md->key == GRPC_MDSTR_PATH) {
-    calld->path = GRPC_MDSTR_REF(md->value);
+    if (calld->path == NULL) {
+      calld->path = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   } else if (md->key == GRPC_MDSTR_AUTHORITY) {
-    calld->host = GRPC_MDSTR_REF(md->value);
+    if (calld->host == NULL) {
+      calld->host = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   }
   return md;
@@ -595,9 +724,11 @@ static void server_mutate_op(grpc_call_element *elem,
   call_data *calld = elem->call_data;
 
   if (op->recv_initial_metadata != NULL) {
+    GPR_ASSERT(op->recv_idempotent_request == NULL);
     calld->recv_initial_metadata = op->recv_initial_metadata;
     calld->on_done_recv_initial_metadata = op->recv_initial_metadata_ready;
     op->recv_initial_metadata_ready = &calld->server_on_recv_initial_metadata;
+    op->recv_idempotent_request = &calld->recv_idempotent_request;
   }
 }
 
@@ -750,11 +881,18 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
   }
 }
 
-static const grpc_channel_filter server_surface_filter = {
-    server_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "server",
+const grpc_channel_filter grpc_server_top_filter = {
+    server_start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "server",
 };
 
 void grpc_server_register_completion_queue(grpc_server *server,
@@ -776,11 +914,10 @@ void grpc_server_register_completion_queue(grpc_server *server,
   server->cqs[n] = cq;
 }
 
-grpc_server *grpc_server_create_from_filters(
-    const grpc_channel_filter **filters, size_t filter_count,
-    const grpc_channel_args *args) {
+grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) {
   size_t i;
-  int census_enabled = grpc_channel_args_is_census_enabled(args);
+
+  GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved));
 
   grpc_server *server = gpr_malloc(sizeof(grpc_server));
 
@@ -804,27 +941,10 @@ grpc_server *grpc_server_create_from_filters(
     gpr_stack_lockfree_push(server->request_freelist, (int)i);
   }
   request_matcher_init(&server->unregistered_request_matcher,
-                       server->max_requested_calls);
+                       server->max_requested_calls, server);
   server->requested_calls = gpr_malloc(server->max_requested_calls *
                                        sizeof(*server->requested_calls));
 
-  /* Server filter stack is:
-
-     server_surface_filter - for making surface API calls
-     grpc_server_census_filter (optional) - for stats collection and tracing
-     {passed in filter stack}
-     grpc_connected_channel_filter - for interfacing with transports */
-  server->channel_filter_count = filter_count + 1u + (census_enabled ? 1u : 0u);
-  server->channel_filters =
-      gpr_malloc(server->channel_filter_count * sizeof(grpc_channel_filter *));
-  server->channel_filters[0] = &server_surface_filter;
-  if (census_enabled) {
-    server->channel_filters[1] = &grpc_server_census_filter;
-  }
-  for (i = 0; i < filter_count; i++) {
-    server->channel_filters[i + 1u + (census_enabled ? 1u : 0u)] = filters[i];
-  }
-
   server->channel_args = grpc_channel_args_copy(args);
 
   return server;
@@ -837,11 +957,15 @@ static int streq(const char *a, const char *b) {
   return 0 == strcmp(a, b);
 }
 
-void *grpc_server_register_method(grpc_server *server, const char *method,
-                                  const char *host) {
+void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags) {
   registered_method *m;
-  GRPC_API_TRACE("grpc_server_register_method(server=%p, method=%s, host=%s)",
-                 3, (server, method, host));
+  GRPC_API_TRACE(
+      "grpc_server_register_method(server=%p, method=%s, host=%s, "
+      "flags=0x%08x)",
+      4, (server, method, host, flags));
   if (!method) {
     gpr_log(GPR_ERROR,
             "grpc_server_register_method method string cannot be NULL");
@@ -854,12 +978,20 @@ void *grpc_server_register_method(grpc_server *server, const char *method,
       return NULL;
     }
   }
+  if ((flags & ~GRPC_INITIAL_METADATA_USED_MASK) != 0) {
+    gpr_log(GPR_ERROR, "grpc_server_register_method invalid flags 0x%08x",
+            flags);
+    return NULL;
+  }
   m = gpr_malloc(sizeof(registered_method));
   memset(m, 0, sizeof(*m));
-  request_matcher_init(&m->request_matcher, server->max_requested_calls);
+  request_matcher_init(&m->request_matcher, server->max_requested_calls,
+                       server);
   m->method = gpr_strdup(method);
   m->host = gpr_strdup(host);
   m->next = server->registered_methods;
+  m->payload_handling = payload_handling;
+  m->flags = flags;
   server->registered_methods = m;
   return m;
 }
@@ -885,12 +1017,7 @@ void grpc_server_start(grpc_server *server) {
 
 void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
                                  grpc_transport *transport,
-                                 grpc_channel_filter const **extra_filters,
-                                 size_t num_extra_filters,
                                  const grpc_channel_args *args) {
-  size_t num_filters = s->channel_filter_count + num_extra_filters + 1;
-  grpc_channel_filter const **filters =
-      gpr_malloc(sizeof(grpc_channel_filter *) * num_filters);
   size_t i;
   size_t num_registered_methods;
   size_t alloc;
@@ -906,24 +1033,17 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
   uint32_t max_probes = 0;
   grpc_transport_op op;
 
-  for (i = 0; i < s->channel_filter_count; i++) {
-    filters[i] = s->channel_filters[i];
-  }
-  for (; i < s->channel_filter_count + num_extra_filters; i++) {
-    filters[i] = extra_filters[i - s->channel_filter_count];
-  }
-  filters[i] = &grpc_connected_channel_filter;
-
   for (i = 0; i < s->cq_count; i++) {
     memset(&op, 0, sizeof(op));
     op.bind_pollset = grpc_cq_pollset(s->cqs[i]);
     grpc_transport_perform_op(exec_ctx, transport, &op);
   }
 
-  channel = grpc_channel_create_from_filters(exec_ctx, NULL, filters,
-                                             num_filters, args, 0);
+  channel =
+      grpc_channel_create(exec_ctx, NULL, args, GRPC_SERVER_CHANNEL, transport);
   chand = (channel_data *)grpc_channel_stack_element(
-              grpc_channel_get_channel_stack(channel), 0)->channel_data;
+              grpc_channel_get_channel_stack(channel), 0)
+              ->channel_data;
   chand->server = s;
   server_ref(s);
   chand->channel = channel;
@@ -944,12 +1064,13 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
       method = grpc_mdstr_from_string(rm->method);
       hash = GRPC_MDSTR_KV_HASH(host ? host->hash : 0, method->hash);
       for (probes = 0; chand->registered_methods[(hash + probes) % slots]
-                               .server_registered_method != NULL;
+                           .server_registered_method != NULL;
            probes++)
         ;
       if (probes > max_probes) max_probes = probes;
       crm = &chand->registered_methods[(hash + probes) % slots];
       crm->server_registered_method = rm;
+      crm->flags = rm->flags;
       crm->host = host;
       crm->method = method;
     }
@@ -958,20 +1079,16 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
     chand->registered_method_max_probes = max_probes;
   }
 
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
-
   gpr_mu_lock(&s->mu_global);
   chand->next = &s->root_channel_data;
   chand->prev = chand->next->prev;
   chand->next->prev = chand->prev->next = chand;
   gpr_mu_unlock(&s->mu_global);
 
-  gpr_free((void *)filters);
-
   GRPC_CHANNEL_INTERNAL_REF(channel, "connectivity");
   memset(&op, 0, sizeof(op));
-  op.set_accept_stream = accept_stream;
+  op.set_accept_stream = true;
+  op.set_accept_stream_fn = accept_stream;
   op.set_accept_stream_user_data = chand;
   op.on_connectivity_state_change = &chand->channel_connectivity_changed;
   op.connectivity_state = &chand->connectivity_state;
@@ -1147,8 +1264,8 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx,
         GPR_ASSERT(calld->state == PENDING);
         calld->state = ACTIVATED;
         gpr_mu_unlock(&calld->mu_state);
-        begin_call(exec_ctx, server, calld,
-                   &server->requested_calls[request_id]);
+        publish_call(exec_ctx, server, calld,
+                     &server->requested_calls[request_id]);
       }
       gpr_mu_lock(&server->mu_call);
     }
@@ -1213,6 +1330,12 @@ grpc_call_error grpc_server_request_registered_call(
     error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE;
     goto done;
   }
+  if ((optional_payload == NULL) !=
+      (rm->payload_handling == GRPC_SRM_PAYLOAD_NONE)) {
+    gpr_free(rc);
+    error = GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH;
+    goto done;
+  }
   grpc_cq_begin_op(cq_for_notification, tag);
   rc->type = REGISTERED_CALL;
   rc->server = server;
@@ -1230,82 +1353,6 @@ done:
   return error;
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx,
-                                        void *user_data, bool success);
-
-static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
-  gpr_slice slice = value->slice;
-  size_t len = GPR_SLICE_LENGTH(slice);
-
-  if (len + 1 > *capacity) {
-    *capacity = GPR_MAX(len + 1, *capacity * 2);
-    *dest = gpr_realloc(*dest, *capacity);
-  }
-  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
-}
-
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc) {
-  grpc_op ops[1];
-  grpc_op *op = ops;
-
-  memset(ops, 0, sizeof(ops));
-
-  /* called once initial metadata has been read by the call, but BEFORE
-     the ioreq to fetch it out of the call has been executed.
-     This means metadata related fields can be relied on in calld, but to
-     fill in the metadata array passed by the client, we need to perform
-     an ioreq op, that should complete immediately. */
-
-  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
-  grpc_closure_init(&rc->publish, publish_registered_or_batch, rc);
-  *rc->call = calld->call;
-  calld->cq_new = rc->cq_for_notification;
-  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
-  switch (rc->type) {
-    case BATCH_CALL:
-      GPR_ASSERT(calld->host != NULL);
-      GPR_ASSERT(calld->path != NULL);
-      cpstr(&rc->data.batch.details->host,
-            &rc->data.batch.details->host_capacity, calld->host);
-      cpstr(&rc->data.batch.details->method,
-            &rc->data.batch.details->method_capacity, calld->path);
-      rc->data.batch.details->deadline = calld->deadline;
-      break;
-    case REGISTERED_CALL:
-      *rc->data.registered.deadline = calld->deadline;
-      if (rc->data.registered.optional_payload) {
-        op->op = GRPC_OP_RECV_MESSAGE;
-        op->data.recv_message = rc->data.registered.optional_payload;
-        op++;
-      }
-      break;
-    default:
-      GPR_UNREACHABLE_CODE(return );
-  }
-
-  GRPC_CALL_INTERNAL_REF(calld->call, "server");
-  grpc_call_start_batch_and_execute(exec_ctx, calld->call, ops,
-                                    (size_t)(op - ops), &rc->publish);
-}
-
-static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
-                               grpc_cq_completion *c) {
-  requested_call *rc = req;
-  grpc_server *server = rc->server;
-
-  if (rc >= server->requested_calls &&
-      rc < server->requested_calls + server->max_requested_calls) {
-    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
-    gpr_stack_lockfree_push(server->request_freelist,
-                            (int)(rc - server->requested_calls));
-  } else {
-    gpr_free(req);
-  }
-
-  server_unref(exec_ctx, server);
-}
-
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc) {
   *rc->call = NULL;
@@ -1316,20 +1363,6 @@ static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                  done_request_event, rc, &rc->completion);
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx, void *prc,
-                                        bool success) {
-  requested_call *rc = prc;
-  grpc_call *call = *rc->call;
-  grpc_call_element *elem =
-      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  server_ref(chand->server);
-  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, success, done_request_event,
-                 rc, &rc->completion);
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "server");
-}
-
 const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server) {
   return server->channel_args;
 }
diff --git a/src/core/surface/server.h b/src/core/lib/surface/server.h
index a957fdb360..470ef23c69 100644
--- a/src/core/surface/server.h
+++ b/src/core/lib/surface/server.h
@@ -31,17 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_SERVER_H
-#define GRPC_INTERNAL_CORE_SURFACE_SERVER_H
+#ifndef GRPC_CORE_LIB_SURFACE_SERVER_H
+#define GRPC_CORE_LIB_SURFACE_SERVER_H
 
-#include "src/core/channel/channel_stack.h"
 #include <grpc/grpc.h>
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/transport.h"
 
-/* Create a server */
-grpc_server *grpc_server_create_from_filters(
-    const grpc_channel_filter **filters, size_t filter_count,
-    const grpc_channel_args *args);
+extern const grpc_channel_filter grpc_server_top_filter;
 
 /* Add a listener to the server: when the server starts, it will call start,
    and when it shuts down, it will call destroy */
@@ -56,12 +53,10 @@ void grpc_server_add_listener(
    server */
 void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *server,
                                  grpc_transport *transport,
-                                 grpc_channel_filter const **extra_filters,
-                                 size_t num_extra_filters,
                                  const grpc_channel_args *args);
 
 const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server);
 
 int grpc_server_has_open_connections(grpc_server *server);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_SERVER_H */
+#endif /* GRPC_CORE_LIB_SURFACE_SERVER_H */
diff --git a/src/core/surface/surface_trace.h b/src/core/lib/surface/surface_trace.h
index 93b2859ac5..a69a0fff57 100644
--- a/src/core/surface/surface_trace.h
+++ b/src/core/lib/surface/surface_trace.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H
-#define GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H
+#ifndef GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H
+#define GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H
 
-#include "src/core/debug/trace.h"
-#include "src/core/surface/api_trace.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 #define GRPC_SURFACE_TRACE_RETURNED_EVENT(cq, event)    \
   if (grpc_api_trace) {                                 \
@@ -45,4 +45,4 @@
     gpr_free(_ev);                                      \
   }
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H */
diff --git a/src/core/surface/validate_metadata.c b/src/core/lib/surface/validate_metadata.c
index bf4126867f..bf4126867f 100644
--- a/src/core/surface/validate_metadata.c
+++ b/src/core/lib/surface/validate_metadata.c
diff --git a/src/core/surface/version.c b/src/core/lib/surface/version.c
index 7723f39401..fe954cbefb 100644
--- a/src/core/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/transport/byte_stream.c b/src/core/lib/transport/byte_stream.c
index 8e6fb2cbef..2f6c75cb6a 100644
--- a/src/core/transport/byte_stream.c
+++ b/src/core/lib/transport/byte_stream.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 
 #include <stdlib.h>
 
diff --git a/src/core/transport/byte_stream.h b/src/core/lib/transport/byte_stream.h
index d2e51e7b45..95519a9eaf 100644
--- a/src/core/transport/byte_stream.h
+++ b/src/core/lib/transport/byte_stream.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H
+#define GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 /** Internal bit flag for grpc_begin_message's \a flags signaling the use of
  * compression for the message */
@@ -86,4 +86,4 @@ void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream,
                                    gpr_slice_buffer *slice_buffer,
                                    uint32_t flags);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H */
diff --git a/src/core/transport/connectivity_state.c b/src/core/lib/transport/connectivity_state.c
index 87765b9799..e24ee638fd 100644
--- a/src/core/transport/connectivity_state.c
+++ b/src/core/lib/transport/connectivity_state.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/connectivity_state.h b/src/core/lib/transport/connectivity_state.h
index a4eb6652e5..2eb7e09124 100644
--- a/src/core/transport/connectivity_state.h
+++ b/src/core/lib/transport/connectivity_state.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H
+#define GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_connectivity_state_watcher {
   /** we keep watchers in a linked list */
@@ -82,4 +82,4 @@ int grpc_connectivity_state_notify_on_state_change(
     grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker,
     grpc_connectivity_state *current, grpc_closure *notify);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H */
diff --git a/src/core/transport/metadata.c b/src/core/lib/transport/metadata.c
index 14912af7df..779efbb97d 100644
--- a/src/core/transport/metadata.c
+++ b/src/core/lib/transport/metadata.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,23 +31,27 @@
  *
  */
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 #include <assert.h>
 #include <stddef.h>
 #include <string.h>
 
 #include <grpc/compression.h>
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
-#include "src/core/transport/static_metadata.h"
+
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
+
+gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(gpr_slice input);
 
 /* There are two kinds of mdelem and mdstr instances.
  * Static instances are declared in static_metadata.{h,c} and
@@ -77,6 +81,7 @@
 
 typedef void (*destroy_user_data_func)(void *user_data);
 
+#define SIZE_IN_DECODER_TABLE_NOT_SET -1
 /* Shadow structure for grpc_mdstr for non-static values */
 typedef struct internal_string {
   /* must be byte compatible with grpc_mdstr */
@@ -91,6 +96,8 @@ typedef struct internal_string {
 
   gpr_slice base64_and_huffman;
 
+  gpr_atm size_in_decoder_table;
+
   struct internal_string *bucket_next;
 } internal_string;
 
@@ -227,6 +234,9 @@ void grpc_mdctx_global_shutdown(void) {
     if (shard->count != 0) {
       gpr_log(GPR_DEBUG, "WARNING: %d metadata elements were leaked",
               shard->count);
+      if (grpc_iomgr_abort_on_leaks()) {
+        abort();
+      }
     }
     gpr_free(shard->elems);
   }
@@ -237,6 +247,15 @@ void grpc_mdctx_global_shutdown(void) {
     if (shard->count != 0) {
       gpr_log(GPR_DEBUG, "WARNING: %d metadata strings were leaked",
               shard->count);
+      for (size_t j = 0; j < shard->capacity; j++) {
+        for (internal_string *s = shard->strs[j]; s; s = s->bucket_next) {
+          gpr_log(GPR_DEBUG, "LEAKED: %s",
+                  grpc_mdstr_as_c_string((grpc_mdstr *)s));
+        }
+      }
+      if (grpc_iomgr_abort_on_leaks()) {
+        abort();
+      }
     }
     gpr_free(shard->strs);
   }
@@ -399,6 +418,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) {
   }
   s->has_base64_and_huffman_encoded = 0;
   s->hash = hash;
+  s->size_in_decoder_table = SIZE_IN_DECODER_TABLE_NOT_SET;
   s->bucket_next = shard->strs[idx];
   shard->strs[idx] = s;
 
@@ -568,6 +588,39 @@ grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key,
       grpc_mdstr_from_string(key), grpc_mdstr_from_buffer(value, value_length));
 }
 
+static size_t get_base64_encoded_size(size_t raw_length) {
+  static const uint8_t tail_xtra[3] = {0, 2, 3};
+  return raw_length / 3 * 4 + tail_xtra[raw_length % 3];
+}
+
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem) {
+  size_t overhead_and_key = 32 + GPR_SLICE_LENGTH(elem->key->slice);
+  size_t value_len = GPR_SLICE_LENGTH(elem->value->slice);
+  if (is_mdstr_static(elem->value)) {
+    if (grpc_is_binary_header(
+            (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+            GPR_SLICE_LENGTH(elem->key->slice))) {
+      return overhead_and_key + get_base64_encoded_size(value_len);
+    } else {
+      return overhead_and_key + value_len;
+    }
+  } else {
+    internal_string *is = (internal_string *)elem->value;
+    gpr_atm current_size = gpr_atm_acq_load(&is->size_in_decoder_table);
+    if (current_size == SIZE_IN_DECODER_TABLE_NOT_SET) {
+      if (grpc_is_binary_header(
+              (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+              GPR_SLICE_LENGTH(elem->key->slice))) {
+        current_size = (gpr_atm)get_base64_encoded_size(value_len);
+      } else {
+        current_size = (gpr_atm)value_len;
+      }
+      gpr_atm_rel_store(&is->size_in_decoder_table, current_size);
+    }
+    return overhead_and_key + (size_t)current_size;
+  }
+}
+
 grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
   if (is_mdelem_static(gmd)) return gmd;
diff --git a/src/core/transport/metadata.h b/src/core/lib/transport/metadata.h
index 8742846be7..e29e8df2c9 100644
--- a/src/core/transport/metadata.h
+++ b/src/core/lib/transport/metadata.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_METADATA_H
+#define GRPC_CORE_LIB_TRANSPORT_METADATA_H
 
 #include <grpc/support/slice.h>
 #include <grpc/support/useful.h>
@@ -110,6 +110,8 @@ grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key,
                                                 const uint8_t *value,
                                                 size_t value_length);
 
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem);
+
 /* Mutator and accessor for grpc_mdelem user data. The destructor function
    is used as a type tag and is checked during user_data fetch. */
 void *grpc_mdelem_get_user_data(grpc_mdelem *md,
@@ -153,4 +155,8 @@ int grpc_mdstr_is_bin_suffixed(grpc_mdstr *s);
 void grpc_mdctx_global_init(void);
 void grpc_mdctx_global_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H */
+/* Implementation provided by chttp2_transport */
+extern gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(
+    gpr_slice input);
+
+#endif /* GRPC_CORE_LIB_TRANSPORT_METADATA_H */
diff --git a/src/core/transport/metadata_batch.c b/src/core/lib/transport/metadata_batch.c
index 1266862f82..4567221a48 100644
--- a/src/core/transport/metadata_batch.c
+++ b/src/core/lib/transport/metadata_batch.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/transport/metadata_batch.h"
+#include "src/core/lib/transport/metadata_batch.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void assert_valid_list(grpc_mdelem_list *list) {
 #ifndef NDEBUG
diff --git a/src/core/transport/metadata_batch.h b/src/core/lib/transport/metadata_batch.h
index 1b0d1fda3e..b62668876e 100644
--- a/src/core/transport/metadata_batch.h
+++ b/src/core/lib/transport/metadata_batch.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H
+#define GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H
 
 #include <grpc/grpc.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 typedef struct grpc_linked_mdelem {
   grpc_mdelem *md;
@@ -122,4 +122,4 @@ void grpc_metadata_batch_assert_ok(grpc_metadata_batch *comd);
   } while (0)
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H */
diff --git a/src/core/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c
index eeedae0619..73b0041fd4 100644
--- a/src/core/transport/static_metadata.c
+++ b/src/core/lib/transport/static_metadata.c
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,31 +27,28 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 /*
  * WARNING: Auto-generated code.
  *
  * To make changes to this file, change
- * tools/codegen/core/gen_static_metadata.py,
- * and then re-run it.
+ * tools/codegen/core/gen_static_metadata.py, and then re-run it.
  *
  * See metadata.h for an explanation of the interface here, and metadata.c for
- * an
- * explanation of what's going on.
+ * an explanation of what's going on.
  */
 
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 
 grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];
 uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 3, 7, 5, 2, 4, 8, 6, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 4, 8, 6, 2, 4, 8, 6, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 
 const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2] =
     {11, 35, 10, 35, 12, 35, 12, 49, 13, 35, 14, 35, 15, 35, 16, 35, 17, 35,
@@ -60,30 +56,102 @@ const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2] =
      30, 18, 30, 35, 31, 35, 32, 35, 36, 35, 37, 35, 38, 35, 39, 35, 42, 33,
      42, 34, 42, 48, 42, 53, 42, 54, 42, 55, 42, 56, 43, 33, 43, 48, 43, 53,
      46, 0,  46, 1,  46, 2,  50, 35, 57, 35, 58, 35, 59, 35, 60, 35, 61, 35,
-     62, 35, 63, 35, 64, 35, 65, 35, 66, 40, 66, 68, 67, 78, 67, 79, 69, 35,
-     70, 35, 71, 35, 72, 35, 73, 35, 74, 35, 75, 41, 75, 51, 75, 52, 76, 35,
-     77, 35, 80, 3,  80, 4,  80, 5,  80, 6,  80, 7,  80, 8,  80, 9,  81, 35,
-     82, 83, 84, 35, 85, 35, 86, 35, 87, 35, 88, 35};
+     62, 35, 63, 35, 64, 35, 65, 35, 66, 40, 66, 68, 66, 71, 67, 79, 67, 80,
+     69, 35, 70, 35, 72, 35, 73, 35, 74, 35, 75, 35, 76, 41, 76, 51, 76, 52,
+     77, 35, 78, 35, 81, 3,  81, 4,  81, 5,  81, 6,  81, 7,  81, 8,  81, 9,
+     82, 35, 83, 84, 85, 35, 86, 35, 87, 35, 88, 35, 89, 35};
 
 const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT] = {
-    "0", "1", "2", "200", "204", "206", "304", "400", "404", "500", "accept",
-    "accept-charset", "accept-encoding", "accept-language", "accept-ranges",
-    "access-control-allow-origin", "age", "allow", "application/grpc",
-    ":authority", "authorization", "cache-control", "census-bin",
-    "census-binary-bin", "content-disposition", "content-encoding",
-    "content-language", "content-length", "content-location", "content-range",
-    "content-type", "cookie", "date", "deflate", "deflate,gzip", "", "etag",
-    "expect", "expires", "from", "GET", "grpc", "grpc-accept-encoding",
-    "grpc-encoding", "grpc-internal-encoding-request", "grpc-message",
-    "grpc-status", "grpc-timeout", "gzip", "gzip, deflate", "host", "http",
-    "https", "identity", "identity,deflate", "identity,deflate,gzip",
-    "identity,gzip", "if-match", "if-modified-since", "if-none-match",
-    "if-range", "if-unmodified-since", "last-modified", "link", "location",
-    "max-forwards", ":method", ":path", "POST", "proxy-authenticate",
-    "proxy-authorization", "range", "referer", "refresh", "retry-after",
-    ":scheme", "server", "set-cookie", "/", "/index.html", ":status",
-    "strict-transport-security", "te", "trailers", "transfer-encoding",
-    "user-agent", "vary", "via", "www-authenticate"};
+    "0",
+    "1",
+    "2",
+    "200",
+    "204",
+    "206",
+    "304",
+    "400",
+    "404",
+    "500",
+    "accept",
+    "accept-charset",
+    "accept-encoding",
+    "accept-language",
+    "accept-ranges",
+    "access-control-allow-origin",
+    "age",
+    "allow",
+    "application/grpc",
+    ":authority",
+    "authorization",
+    "cache-control",
+    "census-bin",
+    "census-binary-bin",
+    "content-disposition",
+    "content-encoding",
+    "content-language",
+    "content-length",
+    "content-location",
+    "content-range",
+    "content-type",
+    "cookie",
+    "date",
+    "deflate",
+    "deflate,gzip",
+    "",
+    "etag",
+    "expect",
+    "expires",
+    "from",
+    "GET",
+    "grpc",
+    "grpc-accept-encoding",
+    "grpc-encoding",
+    "grpc-internal-encoding-request",
+    "grpc-message",
+    "grpc-status",
+    "grpc-timeout",
+    "gzip",
+    "gzip, deflate",
+    "host",
+    "http",
+    "https",
+    "identity",
+    "identity,deflate",
+    "identity,deflate,gzip",
+    "identity,gzip",
+    "if-match",
+    "if-modified-since",
+    "if-none-match",
+    "if-range",
+    "if-unmodified-since",
+    "last-modified",
+    "link",
+    "location",
+    "max-forwards",
+    ":method",
+    ":path",
+    "POST",
+    "proxy-authenticate",
+    "proxy-authorization",
+    "PUT",
+    "range",
+    "referer",
+    "refresh",
+    "retry-after",
+    ":scheme",
+    "server",
+    "set-cookie",
+    "/",
+    "/index.html",
+    ":status",
+    "strict-transport-security",
+    "te",
+    "trailers",
+    "transfer-encoding",
+    "user-agent",
+    "vary",
+    "via",
+    "www-authenticate"};
 
 const uint8_t grpc_static_accept_encoding_metadata[8] = {0,  29, 26, 30,
                                                          28, 32, 27, 31};
diff --git a/src/core/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
index ef72b802b5..f9d8bcdc8f 100644
--- a/src/core/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,27 +27,24 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 /*
  * WARNING: Auto-generated code.
  *
  * To make changes to this file, change
- * tools/codegen/core/gen_static_metadata.py,
- * and then re-run it.
+ * tools/codegen/core/gen_static_metadata.py, and then re-run it.
  *
  * See metadata.h for an explanation of the interface here, and metadata.c for
- * an
- * explanation of what's going on.
+ * an explanation of what's going on.
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
+#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
-#define GRPC_STATIC_MDSTR_COUNT 89
+#define GRPC_STATIC_MDSTR_COUNT 90
 extern grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 /* "0" */
 #define GRPC_MDSTR_0 (&grpc_static_mdstr_table[0])
@@ -193,44 +189,46 @@ extern grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 #define GRPC_MDSTR_PROXY_AUTHENTICATE (&grpc_static_mdstr_table[69])
 /* "proxy-authorization" */
 #define GRPC_MDSTR_PROXY_AUTHORIZATION (&grpc_static_mdstr_table[70])
+/* "PUT" */
+#define GRPC_MDSTR_PUT (&grpc_static_mdstr_table[71])
 /* "range" */
-#define GRPC_MDSTR_RANGE (&grpc_static_mdstr_table[71])
+#define GRPC_MDSTR_RANGE (&grpc_static_mdstr_table[72])
 /* "referer" */
-#define GRPC_MDSTR_REFERER (&grpc_static_mdstr_table[72])
+#define GRPC_MDSTR_REFERER (&grpc_static_mdstr_table[73])
 /* "refresh" */
-#define GRPC_MDSTR_REFRESH (&grpc_static_mdstr_table[73])
+#define GRPC_MDSTR_REFRESH (&grpc_static_mdstr_table[74])
 /* "retry-after" */
-#define GRPC_MDSTR_RETRY_AFTER (&grpc_static_mdstr_table[74])
+#define GRPC_MDSTR_RETRY_AFTER (&grpc_static_mdstr_table[75])
 /* ":scheme" */
-#define GRPC_MDSTR_SCHEME (&grpc_static_mdstr_table[75])
+#define GRPC_MDSTR_SCHEME (&grpc_static_mdstr_table[76])
 /* "server" */
-#define GRPC_MDSTR_SERVER (&grpc_static_mdstr_table[76])
+#define GRPC_MDSTR_SERVER (&grpc_static_mdstr_table[77])
 /* "set-cookie" */
-#define GRPC_MDSTR_SET_COOKIE (&grpc_static_mdstr_table[77])
+#define GRPC_MDSTR_SET_COOKIE (&grpc_static_mdstr_table[78])
 /* "/" */
-#define GRPC_MDSTR_SLASH (&grpc_static_mdstr_table[78])
+#define GRPC_MDSTR_SLASH (&grpc_static_mdstr_table[79])
 /* "/index.html" */
-#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (&grpc_static_mdstr_table[79])
+#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (&grpc_static_mdstr_table[80])
 /* ":status" */
-#define GRPC_MDSTR_STATUS (&grpc_static_mdstr_table[80])
+#define GRPC_MDSTR_STATUS (&grpc_static_mdstr_table[81])
 /* "strict-transport-security" */
-#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (&grpc_static_mdstr_table[81])
+#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (&grpc_static_mdstr_table[82])
 /* "te" */
-#define GRPC_MDSTR_TE (&grpc_static_mdstr_table[82])
+#define GRPC_MDSTR_TE (&grpc_static_mdstr_table[83])
 /* "trailers" */
-#define GRPC_MDSTR_TRAILERS (&grpc_static_mdstr_table[83])
+#define GRPC_MDSTR_TRAILERS (&grpc_static_mdstr_table[84])
 /* "transfer-encoding" */
-#define GRPC_MDSTR_TRANSFER_ENCODING (&grpc_static_mdstr_table[84])
+#define GRPC_MDSTR_TRANSFER_ENCODING (&grpc_static_mdstr_table[85])
 /* "user-agent" */
-#define GRPC_MDSTR_USER_AGENT (&grpc_static_mdstr_table[85])
+#define GRPC_MDSTR_USER_AGENT (&grpc_static_mdstr_table[86])
 /* "vary" */
-#define GRPC_MDSTR_VARY (&grpc_static_mdstr_table[86])
+#define GRPC_MDSTR_VARY (&grpc_static_mdstr_table[87])
 /* "via" */
-#define GRPC_MDSTR_VIA (&grpc_static_mdstr_table[87])
+#define GRPC_MDSTR_VIA (&grpc_static_mdstr_table[88])
 /* "www-authenticate" */
-#define GRPC_MDSTR_WWW_AUTHENTICATE (&grpc_static_mdstr_table[88])
+#define GRPC_MDSTR_WWW_AUTHENTICATE (&grpc_static_mdstr_table[89])
 
-#define GRPC_STATIC_MDELEM_COUNT 78
+#define GRPC_STATIC_MDELEM_COUNT 79
 extern grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];
 extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];
 /* "accept-charset": "" */
@@ -343,61 +341,63 @@ extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];
 #define GRPC_MDELEM_METHOD_GET (&grpc_static_mdelem_table[49])
 /* ":method": "POST" */
 #define GRPC_MDELEM_METHOD_POST (&grpc_static_mdelem_table[50])
+/* ":method": "PUT" */
+#define GRPC_MDELEM_METHOD_PUT (&grpc_static_mdelem_table[51])
 /* ":path": "/" */
-#define GRPC_MDELEM_PATH_SLASH (&grpc_static_mdelem_table[51])
+#define GRPC_MDELEM_PATH_SLASH (&grpc_static_mdelem_table[52])
 /* ":path": "/index.html" */
-#define GRPC_MDELEM_PATH_SLASH_INDEX_DOT_HTML (&grpc_static_mdelem_table[52])
+#define GRPC_MDELEM_PATH_SLASH_INDEX_DOT_HTML (&grpc_static_mdelem_table[53])
 /* "proxy-authenticate": "" */
-#define GRPC_MDELEM_PROXY_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[53])
+#define GRPC_MDELEM_PROXY_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[54])
 /* "proxy-authorization": "" */
-#define GRPC_MDELEM_PROXY_AUTHORIZATION_EMPTY (&grpc_static_mdelem_table[54])
+#define GRPC_MDELEM_PROXY_AUTHORIZATION_EMPTY (&grpc_static_mdelem_table[55])
 /* "range": "" */
-#define GRPC_MDELEM_RANGE_EMPTY (&grpc_static_mdelem_table[55])
+#define GRPC_MDELEM_RANGE_EMPTY (&grpc_static_mdelem_table[56])
 /* "referer": "" */
-#define GRPC_MDELEM_REFERER_EMPTY (&grpc_static_mdelem_table[56])
+#define GRPC_MDELEM_REFERER_EMPTY (&grpc_static_mdelem_table[57])
 /* "refresh": "" */
-#define GRPC_MDELEM_REFRESH_EMPTY (&grpc_static_mdelem_table[57])
+#define GRPC_MDELEM_REFRESH_EMPTY (&grpc_static_mdelem_table[58])
 /* "retry-after": "" */
-#define GRPC_MDELEM_RETRY_AFTER_EMPTY (&grpc_static_mdelem_table[58])
+#define GRPC_MDELEM_RETRY_AFTER_EMPTY (&grpc_static_mdelem_table[59])
 /* ":scheme": "grpc" */
-#define GRPC_MDELEM_SCHEME_GRPC (&grpc_static_mdelem_table[59])
+#define GRPC_MDELEM_SCHEME_GRPC (&grpc_static_mdelem_table[60])
 /* ":scheme": "http" */
-#define GRPC_MDELEM_SCHEME_HTTP (&grpc_static_mdelem_table[60])
+#define GRPC_MDELEM_SCHEME_HTTP (&grpc_static_mdelem_table[61])
 /* ":scheme": "https" */
-#define GRPC_MDELEM_SCHEME_HTTPS (&grpc_static_mdelem_table[61])
+#define GRPC_MDELEM_SCHEME_HTTPS (&grpc_static_mdelem_table[62])
 /* "server": "" */
-#define GRPC_MDELEM_SERVER_EMPTY (&grpc_static_mdelem_table[62])
+#define GRPC_MDELEM_SERVER_EMPTY (&grpc_static_mdelem_table[63])
 /* "set-cookie": "" */
-#define GRPC_MDELEM_SET_COOKIE_EMPTY (&grpc_static_mdelem_table[63])
+#define GRPC_MDELEM_SET_COOKIE_EMPTY (&grpc_static_mdelem_table[64])
 /* ":status": "200" */
-#define GRPC_MDELEM_STATUS_200 (&grpc_static_mdelem_table[64])
+#define GRPC_MDELEM_STATUS_200 (&grpc_static_mdelem_table[65])
 /* ":status": "204" */
-#define GRPC_MDELEM_STATUS_204 (&grpc_static_mdelem_table[65])
+#define GRPC_MDELEM_STATUS_204 (&grpc_static_mdelem_table[66])
 /* ":status": "206" */
-#define GRPC_MDELEM_STATUS_206 (&grpc_static_mdelem_table[66])
+#define GRPC_MDELEM_STATUS_206 (&grpc_static_mdelem_table[67])
 /* ":status": "304" */
-#define GRPC_MDELEM_STATUS_304 (&grpc_static_mdelem_table[67])
+#define GRPC_MDELEM_STATUS_304 (&grpc_static_mdelem_table[68])
 /* ":status": "400" */
-#define GRPC_MDELEM_STATUS_400 (&grpc_static_mdelem_table[68])
+#define GRPC_MDELEM_STATUS_400 (&grpc_static_mdelem_table[69])
 /* ":status": "404" */
-#define GRPC_MDELEM_STATUS_404 (&grpc_static_mdelem_table[69])
+#define GRPC_MDELEM_STATUS_404 (&grpc_static_mdelem_table[70])
 /* ":status": "500" */
-#define GRPC_MDELEM_STATUS_500 (&grpc_static_mdelem_table[70])
+#define GRPC_MDELEM_STATUS_500 (&grpc_static_mdelem_table[71])
 /* "strict-transport-security": "" */
 #define GRPC_MDELEM_STRICT_TRANSPORT_SECURITY_EMPTY \
-  (&grpc_static_mdelem_table[71])
+  (&grpc_static_mdelem_table[72])
 /* "te": "trailers" */
-#define GRPC_MDELEM_TE_TRAILERS (&grpc_static_mdelem_table[72])
+#define GRPC_MDELEM_TE_TRAILERS (&grpc_static_mdelem_table[73])
 /* "transfer-encoding": "" */
-#define GRPC_MDELEM_TRANSFER_ENCODING_EMPTY (&grpc_static_mdelem_table[73])
+#define GRPC_MDELEM_TRANSFER_ENCODING_EMPTY (&grpc_static_mdelem_table[74])
 /* "user-agent": "" */
-#define GRPC_MDELEM_USER_AGENT_EMPTY (&grpc_static_mdelem_table[74])
+#define GRPC_MDELEM_USER_AGENT_EMPTY (&grpc_static_mdelem_table[75])
 /* "vary": "" */
-#define GRPC_MDELEM_VARY_EMPTY (&grpc_static_mdelem_table[75])
+#define GRPC_MDELEM_VARY_EMPTY (&grpc_static_mdelem_table[76])
 /* "via": "" */
-#define GRPC_MDELEM_VIA_EMPTY (&grpc_static_mdelem_table[76])
+#define GRPC_MDELEM_VIA_EMPTY (&grpc_static_mdelem_table[77])
 /* "www-authenticate": "" */
-#define GRPC_MDELEM_WWW_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[77])
+#define GRPC_MDELEM_WWW_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[78])
 
 extern const uint8_t
     grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2];
@@ -405,4 +405,4 @@ extern const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT];
 extern const uint8_t grpc_static_accept_encoding_metadata[8];
 #define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) \
   (&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]])
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */
diff --git a/src/core/transport/transport.c b/src/core/lib/transport/transport.c
index 6e154b629a..53c634adca 100644
--- a/src/core/transport/transport.c
+++ b/src/core/lib/transport/transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,12 @@
  *
  */
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
-#include "src/core/transport/transport_impl.h"
+#include <grpc/support/sync.h>
+#include "src/core/lib/transport/transport_impl.h"
 
 #ifdef GRPC_STREAM_REFCOUNT_DEBUG
 void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason) {
@@ -45,7 +46,7 @@ void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason) {
 #else
 void grpc_stream_ref(grpc_stream_refcount *refcount) {
 #endif
-  gpr_ref(&refcount->refs);
+  gpr_ref_non_zero(&refcount->refs);
 }
 
 #ifdef GRPC_STREAM_REFCOUNT_DEBUG
@@ -76,6 +77,24 @@ void grpc_stream_ref_init(grpc_stream_refcount *refcount, int initial_refs,
   grpc_closure_init(&refcount->destroy, cb, cb_arg);
 }
 
+static void move64(uint64_t *from, uint64_t *to) {
+  *to += *from;
+  *from = 0;
+}
+
+void grpc_transport_move_one_way_stats(grpc_transport_one_way_stats *from,
+                                       grpc_transport_one_way_stats *to) {
+  move64(&from->framing_bytes, &to->framing_bytes);
+  move64(&from->data_bytes, &to->data_bytes);
+  move64(&from->header_bytes, &to->header_bytes);
+}
+
+void grpc_transport_move_stats(grpc_transport_stream_stats *from,
+                               grpc_transport_stream_stats *to) {
+  grpc_transport_move_one_way_stats(&from->incoming, &to->incoming);
+  grpc_transport_move_one_way_stats(&from->outgoing, &to->outgoing);
+}
+
 size_t grpc_transport_stream_size(grpc_transport *transport) {
   return transport->vtable->sizeof_stream;
 }
diff --git a/src/core/transport/transport.h b/src/core/lib/transport/transport.h
index 8902c5d2f6..1eb446312b 100644
--- a/src/core/transport/transport.h
+++ b/src/core/lib/transport/transport.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H
+#define GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H
 
 #include <stddef.h>
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_set.h"
-#include "src/core/transport/metadata_batch.h"
-#include "src/core/transport/byte_stream.h"
-#include "src/core/channel/context.h"
+#include "src/core/lib/channel/context.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/transport/byte_stream.h"
+#include "src/core/lib/transport/metadata_batch.h"
 
 /* forward declarations */
 typedef struct grpc_transport grpc_transport;
@@ -50,7 +50,7 @@ typedef struct grpc_transport grpc_transport;
    for a stream. */
 typedef struct grpc_stream grpc_stream;
 
-/*#define GRPC_STREAM_REFCOUNT_DEBUG*/
+//#define GRPC_STREAM_REFCOUNT_DEBUG
 
 typedef struct grpc_stream_refcount {
   gpr_refcount refs;
@@ -78,11 +78,32 @@ void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount);
   grpc_stream_ref_init(rc, ir, cb, cb_arg)
 #endif
 
+typedef struct {
+  uint64_t framing_bytes;
+  uint64_t data_bytes;
+  uint64_t header_bytes;
+} grpc_transport_one_way_stats;
+
+typedef struct grpc_transport_stream_stats {
+  grpc_transport_one_way_stats incoming;
+  grpc_transport_one_way_stats outgoing;
+} grpc_transport_stream_stats;
+
+void grpc_transport_move_one_way_stats(grpc_transport_one_way_stats *from,
+                                       grpc_transport_one_way_stats *to);
+
+void grpc_transport_move_stats(grpc_transport_stream_stats *from,
+                               grpc_transport_stream_stats *to);
+
 /* Transport stream op: a set of operations to perform on a transport
    against a single stream */
 typedef struct grpc_transport_stream_op {
-  /** Send initial metadata to the peer, from the provided metadata batch. */
+  /** Send initial metadata to the peer, from the provided metadata batch.
+      idempotent_request MUST be set if this is non-null */
   grpc_metadata_batch *send_initial_metadata;
+  /** Iff send_initial_metadata != NULL, flags associated with
+      send_initial_metadata: a bitfield of GRPC_INITIAL_METADATA_xxx */
+  uint32_t send_initial_metadata_flags;
 
   /** Send trailing metadata to the peer, from the provided metadata batch. */
   grpc_metadata_batch *send_trailing_metadata;
@@ -92,6 +113,7 @@ typedef struct grpc_transport_stream_op {
 
   /** Receive initial metadata from the stream, into provided metadata batch. */
   grpc_metadata_batch *recv_initial_metadata;
+  bool *recv_idempotent_request;
   /** Should be enqueued when initial metadata is ready to be processed. */
   grpc_closure *recv_initial_metadata_ready;
 
@@ -104,6 +126,9 @@ typedef struct grpc_transport_stream_op {
    */
   grpc_metadata_batch *recv_trailing_metadata;
 
+  /** Collect any stats into provided buffer, zero internal stat counters */
+  grpc_transport_stream_stats *collect_stats;
+
   /** Should be enqueued when all requested operations (excluding recv_message
       and recv_initial_metadata which have their own closures) in a given batch
       have been completed. */
@@ -123,7 +148,7 @@ typedef struct grpc_transport_stream_op {
 
 /** Transport op: a set of operations to perform on a transport as a whole */
 typedef struct grpc_transport_op {
-  /** called when processing of this op is done */
+  /** Called when processing of this op is done. */
   grpc_closure *on_consumed;
   /** connectivity monitoring - set connectivity_state to NULL to unsubscribe */
   grpc_closure *on_connectivity_state_change;
@@ -138,9 +163,13 @@ typedef struct grpc_transport_op {
   grpc_status_code goaway_status;
   gpr_slice *goaway_message;
   /** set the callback for accepting new streams;
-      this is a permanent callback, unlike the other one-shot closures */
-  void (*set_accept_stream)(grpc_exec_ctx *exec_ctx, void *user_data,
-                            grpc_transport *transport, const void *server_data);
+      this is a permanent callback, unlike the other one-shot closures.
+      If true, the callback is set to set_accept_stream_fn, with its
+      user_data argument set to set_accept_stream_user_data */
+  bool set_accept_stream;
+  void (*set_accept_stream_fn)(grpc_exec_ctx *exec_ctx, void *user_data,
+                               grpc_transport *transport,
+                               const void *server_data);
   void *set_accept_stream_user_data;
   /** add this transport to a pollset */
   grpc_pollset *bind_pollset;
@@ -235,4 +264,4 @@ void grpc_transport_destroy(grpc_exec_ctx *exec_ctx, grpc_transport *transport);
 char *grpc_transport_get_peer(grpc_exec_ctx *exec_ctx,
                               grpc_transport *transport);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H */
diff --git a/src/core/transport/transport_impl.h b/src/core/lib/transport/transport_impl.h
index 40bfb4b13a..2ff67073af 100644
--- a/src/core/transport/transport_impl.h
+++ b/src/core/lib/transport/transport_impl.h
@@ -31,16 +31,19 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H
+#define GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_transport_vtable {
   /* Memory required for a single stream element - this is allocated by upper
      layers and initialized by the transport */
   size_t sizeof_stream; /* = sizeof(transport stream) */
 
+  /* name of this transport implementation */
+  const char *name;
+
   /* implementation of grpc_transport_init_stream */
   int (*init_stream)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
                      grpc_stream *stream, grpc_stream_refcount *refcount,
@@ -75,4 +78,4 @@ struct grpc_transport {
   const grpc_transport_vtable *vtable;
 };
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H */
diff --git a/src/core/transport/transport_op_string.c b/src/core/lib/transport/transport_op_string.c
index 98b51afc88..df04c61127 100644
--- a/src/core/transport/transport_op_string.c
+++ b/src/core/lib/transport/transport_op_string.c
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 
 /* These routines are here to facilitate debugging - they produce string
    representations of various transport data structures */
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/lib/tsi/fake_transport_security.c
index 72ac32a171..0e20d6fd71 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/lib/tsi/fake_transport_security.c
@@ -31,15 +31,16 @@
  *
  */
 
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 
 #include <stdlib.h>
 #include <string.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 /* --- Constants. ---*/
 #define TSI_FAKE_FRAME_HEADER_SIZE 4
@@ -134,12 +135,12 @@ static void tsi_fake_frame_reset(tsi_fake_frame *frame, int needs_draining) {
 static int tsi_fake_frame_ensure_size(tsi_fake_frame *frame) {
   if (frame->data == NULL) {
     frame->allocated_size = frame->size;
-    frame->data = malloc(frame->allocated_size);
+    frame->data = gpr_malloc(frame->allocated_size);
     if (frame->data == NULL) return 0;
   } else if (frame->size > frame->allocated_size) {
-    unsigned char *new_data = realloc(frame->data, frame->size);
+    unsigned char *new_data = gpr_realloc(frame->data, frame->size);
     if (new_data == NULL) {
-      free(frame->data);
+      gpr_free(frame->data);
       frame->data = NULL;
       return 0;
     }
@@ -160,7 +161,7 @@ static tsi_result fill_frame_from_bytes(const unsigned char *incoming_bytes,
   if (frame->needs_draining) return TSI_INTERNAL_ERROR;
   if (frame->data == NULL) {
     frame->allocated_size = TSI_FAKE_FRAME_INITIAL_ALLOCATED_SIZE;
-    frame->data = malloc(frame->allocated_size);
+    frame->data = gpr_malloc(frame->allocated_size);
     if (frame->data == NULL) return TSI_OUT_OF_RESOURCES;
   }
 
@@ -226,7 +227,7 @@ static tsi_result bytes_to_frame(unsigned char *bytes, size_t bytes_size,
 }
 
 static void tsi_fake_frame_destruct(tsi_fake_frame *frame) {
-  if (frame->data != NULL) free(frame->data);
+  if (frame->data != NULL) gpr_free(frame->data);
 }
 
 /* --- tsi_frame_protector methods implementation. ---*/
@@ -366,7 +367,7 @@ static void fake_protector_destroy(tsi_frame_protector *self) {
   tsi_fake_frame_protector *impl = (tsi_fake_frame_protector *)self;
   tsi_fake_frame_destruct(&impl->protect_frame);
   tsi_fake_frame_destruct(&impl->unprotect_frame);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_frame_protector_vtable frame_protector_vtable = {
@@ -488,18 +489,21 @@ static void fake_handshaker_destroy(tsi_handshaker *self) {
   tsi_fake_handshaker *impl = (tsi_fake_handshaker *)self;
   tsi_fake_frame_destruct(&impl->incoming);
   tsi_fake_frame_destruct(&impl->outgoing);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     fake_handshaker_get_bytes_to_send_to_peer,
-    fake_handshaker_process_bytes_from_peer, fake_handshaker_get_result,
-    fake_handshaker_extract_peer, fake_handshaker_create_frame_protector,
+    fake_handshaker_process_bytes_from_peer,
+    fake_handshaker_get_result,
+    fake_handshaker_extract_peer,
+    fake_handshaker_create_frame_protector,
     fake_handshaker_destroy,
 };
 
 tsi_handshaker *tsi_create_fake_handshaker(int is_client) {
-  tsi_fake_handshaker *impl = calloc(1, sizeof(tsi_fake_handshaker));
+  tsi_fake_handshaker *impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->base.vtable = &handshaker_vtable;
   impl->is_client = is_client;
   impl->result = TSI_HANDSHAKE_IN_PROGRESS;
@@ -515,8 +519,8 @@ tsi_handshaker *tsi_create_fake_handshaker(int is_client) {
 
 tsi_frame_protector *tsi_create_fake_protector(
     size_t *max_protected_frame_size) {
-  tsi_fake_frame_protector *impl = calloc(1, sizeof(tsi_fake_frame_protector));
-  if (impl == NULL) return NULL;
+  tsi_fake_frame_protector *impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->max_frame_size = (max_protected_frame_size == NULL)
                              ? TSI_FAKE_DEFAULT_FRAME_SIZE
                              : *max_protected_frame_size;
diff --git a/src/core/tsi/fake_transport_security.h b/src/core/lib/tsi/fake_transport_security.h
index fe295aa536..54a9469b58 100644
--- a/src/core/tsi/fake_transport_security.h
+++ b/src/core/lib/tsi/fake_transport_security.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,4 +58,4 @@ tsi_frame_protector *tsi_create_fake_protector(
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/lib/tsi/ssl_transport_security.c
index 6adcaac9ed..045901cc72 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/lib/tsi/ssl_transport_security.c
@@ -31,11 +31,21 @@
  *
  */
 
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
+
+#include <grpc/support/port_platform.h>
 
 #include <limits.h>
 #include <string.h>
 
+/* TODO(jboeuf): refactor inet_ntop into a portability header. */
+#ifdef GPR_WINSOCK_SOCKET
+#include <ws2tcpip.h>
+#else
+#include <arpa/inet.h>
+#endif
+
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
@@ -48,8 +58,8 @@
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 
-#include "src/core/tsi/ssl_types.h"
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/ssl_types.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 /* --- Constants. ---*/
 
@@ -139,8 +149,7 @@ static void init_openssl(void) {
   OpenSSL_add_all_algorithms();
   num_locks = CRYPTO_num_locks();
   GPR_ASSERT(num_locks > 0);
-  openssl_mutexes = malloc((size_t)num_locks * sizeof(gpr_mu));
-  GPR_ASSERT(openssl_mutexes != NULL);
+  openssl_mutexes = gpr_malloc((size_t)num_locks * sizeof(gpr_mu));
   for (i = 0; i < CRYPTO_num_locks(); i++) {
     gpr_mu_init(&openssl_mutexes[i]);
   }
@@ -197,13 +206,16 @@ static void ssl_info_callback(const SSL *ssl, int where, int ret) {
 }
 
 /* Returns 1 if name looks like an IP address, 0 otherwise.
-   This is a very rough heuristic as it does not handle IPV6 or things like:
-   0300.0250.00.01, 0xC0.0Xa8.0x0.0x1, 000030052000001, 0xc0.052000001 */
+   This is a very rough heuristic, and only handles IPv6 in hexadecimal form. */
 static int looks_like_ip_address(const char *name) {
   size_t i;
   size_t dot_count = 0;
   size_t num_size = 0;
   for (i = 0; i < strlen(name); i++) {
+    if (name[i] == ':') {
+      /* IPv6 Address in hexadecimal form, : is not allowed in DNS names. */
+      return 1;
+    }
     if (name[i] >= '0' && name[i] <= '9') {
       if (num_size > 3) return 0;
       num_size++;
@@ -281,6 +293,26 @@ static tsi_result peer_property_from_x509_common_name(
   return result;
 }
 
+/* Gets the X509 cert in PEM format as a tsi_peer_property. */
+static tsi_result add_pem_certificate(X509 *cert, tsi_peer_property *property) {
+  BIO *bio = BIO_new(BIO_s_mem());
+  if (!PEM_write_bio_X509(bio, cert)) {
+    BIO_free(bio);
+    return TSI_INTERNAL_ERROR;
+  }
+  char *contents;
+  long len = BIO_get_mem_data(bio, &contents);
+  if (len <= 0) {
+    BIO_free(bio);
+    return TSI_INTERNAL_ERROR;
+  }
+  tsi_result result = tsi_construct_string_peer_property(
+      TSI_X509_PEM_CERT_PROPERTY, (const char *)contents, (size_t)len,
+      property);
+  BIO_free(bio);
+  return result;
+}
+
 /* Gets the subject SANs from an X509 cert as a tsi_peer_property. */
 static tsi_result add_subject_alt_names_properties_to_peer(
     tsi_peer *peer, GENERAL_NAMES *subject_alt_names,
@@ -296,21 +328,44 @@ static tsi_result add_subject_alt_names_properties_to_peer(
         sk_GENERAL_NAME_value(subject_alt_names, TSI_SIZE_AS_SIZE(i));
     /* Filter out the non-dns entries names. */
     if (subject_alt_name->type == GEN_DNS) {
-      unsigned char *dns_name = NULL;
-      int dns_name_size =
-          ASN1_STRING_to_UTF8(&dns_name, subject_alt_name->d.dNSName);
-      if (dns_name_size < 0) {
+      unsigned char *name = NULL;
+      int name_size;
+      name_size = ASN1_STRING_to_UTF8(&name, subject_alt_name->d.dNSName);
+      if (name_size < 0) {
         gpr_log(GPR_ERROR, "Could not get utf8 from asn1 string.");
         result = TSI_INTERNAL_ERROR;
         break;
       }
       result = tsi_construct_string_peer_property(
-          TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-          (const char *)dns_name, (size_t)dns_name_size,
+          TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, (const char *)name,
+          (size_t)name_size, &peer->properties[peer->property_count++]);
+      OPENSSL_free(name);
+    } else if (subject_alt_name->type == GEN_IPADD) {
+      char ntop_buf[INET6_ADDRSTRLEN];
+      int af;
+
+      if (subject_alt_name->d.iPAddress->length == 4) {
+        af = AF_INET;
+      } else if (subject_alt_name->d.iPAddress->length == 16) {
+        af = AF_INET6;
+      } else {
+        gpr_log(GPR_ERROR, "SAN IP Address contained invalid IP");
+        result = TSI_INTERNAL_ERROR;
+        break;
+      }
+      const char *name = inet_ntop(af, subject_alt_name->d.iPAddress->data,
+                                   ntop_buf, INET6_ADDRSTRLEN);
+      if (name == NULL) {
+        gpr_log(GPR_ERROR, "Could not get IP string from asn1 octet.");
+        result = TSI_INTERNAL_ERROR;
+        break;
+      }
+
+      result = tsi_construct_string_peer_property_from_cstring(
+          TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, name,
           &peer->properties[peer->property_count++]);
-      OPENSSL_free(dns_name);
-      if (result != TSI_OK) break;
     }
+    if (result != TSI_OK) break;
   }
   return result;
 }
@@ -328,7 +383,8 @@ static tsi_result peer_from_x509(X509 *cert, int include_certificate_type,
   tsi_result result;
   GPR_ASSERT(subject_alt_name_count >= 0);
   property_count = (include_certificate_type ? (size_t)1 : 0) +
-                   1 /* common name */ + (size_t)subject_alt_name_count;
+                   2 /* common name, certificate */ +
+                   (size_t)subject_alt_name_count;
   result = tsi_construct_peer(property_count, peer);
   if (result != TSI_OK) return result;
   do {
@@ -342,6 +398,10 @@ static tsi_result peer_from_x509(X509 *cert, int include_certificate_type,
         cert, &peer->properties[include_certificate_type ? 1 : 0]);
     if (result != TSI_OK) break;
 
+    result = add_pem_certificate(
+        cert, &peer->properties[include_certificate_type ? 2 : 1]);
+    if (result != TSI_OK) break;
+
     if (subject_alt_name_count != 0) {
       result = add_subject_alt_names_properties_to_peer(
           peer, subject_alt_names, (size_t)subject_alt_name_count);
@@ -641,7 +701,7 @@ static tsi_result build_alpn_protocol_name_list(
     }
     *protocol_name_list_length += (size_t)alpn_protocols_lengths[i] + 1;
   }
-  *protocol_name_list = malloc(*protocol_name_list_length);
+  *protocol_name_list = gpr_malloc(*protocol_name_list_length);
   if (*protocol_name_list == NULL) return TSI_OUT_OF_RESOURCES;
   current = *protocol_name_list;
   for (i = 0; i < num_alpn_protocols; i++) {
@@ -792,9 +852,9 @@ static tsi_result ssl_protector_unprotect(
 
 static void ssl_protector_destroy(tsi_frame_protector *self) {
   tsi_ssl_frame_protector *impl = (tsi_ssl_frame_protector *)self;
-  if (impl->buffer != NULL) free(impl->buffer);
+  if (impl->buffer != NULL) gpr_free(impl->buffer);
   if (impl->ssl != NULL) SSL_free(impl->ssl);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_frame_protector_vtable frame_protector_vtable = {
@@ -906,8 +966,9 @@ static tsi_result ssl_handshaker_extract_peer(tsi_handshaker *self,
   if (alpn_selected != NULL) {
     size_t i;
     tsi_peer_property *new_properties =
-        calloc(1, sizeof(tsi_peer_property) * (peer->property_count + 1));
-    if (new_properties == NULL) return TSI_OUT_OF_RESOURCES;
+        gpr_malloc(sizeof(*new_properties) * (peer->property_count + 1));
+    memset(new_properties, 0,
+           sizeof(*new_properties) * (peer->property_count + 1));
     for (i = 0; i < peer->property_count; i++) {
       new_properties[i] = peer->properties[i];
     }
@@ -915,10 +976,10 @@ static tsi_result ssl_handshaker_extract_peer(tsi_handshaker *self,
         TSI_SSL_ALPN_SELECTED_PROTOCOL, (const char *)alpn_selected,
         alpn_selected_len, &new_properties[peer->property_count]);
     if (result != TSI_OK) {
-      free(new_properties);
+      gpr_free(new_properties);
       return result;
     }
-    if (peer->properties != NULL) free(peer->properties);
+    if (peer->properties != NULL) gpr_free(peer->properties);
     peer->property_count++;
     peer->properties = new_properties;
   }
@@ -931,11 +992,8 @@ static tsi_result ssl_handshaker_create_frame_protector(
   size_t actual_max_output_protected_frame_size =
       TSI_SSL_MAX_PROTECTED_FRAME_SIZE_UPPER_BOUND;
   tsi_ssl_handshaker *impl = (tsi_ssl_handshaker *)self;
-  tsi_ssl_frame_protector *protector_impl =
-      calloc(1, sizeof(tsi_ssl_frame_protector));
-  if (protector_impl == NULL) {
-    return TSI_OUT_OF_RESOURCES;
-  }
+  tsi_ssl_frame_protector *protector_impl = gpr_malloc(sizeof(*protector_impl));
+  memset(protector_impl, 0, sizeof(*protector_impl));
 
   if (max_output_protected_frame_size != NULL) {
     if (*max_output_protected_frame_size >
@@ -951,11 +1009,11 @@ static tsi_result ssl_handshaker_create_frame_protector(
   }
   protector_impl->buffer_size =
       actual_max_output_protected_frame_size - TSI_SSL_MAX_PROTECTION_OVERHEAD;
-  protector_impl->buffer = malloc(protector_impl->buffer_size);
+  protector_impl->buffer = gpr_malloc(protector_impl->buffer_size);
   if (protector_impl->buffer == NULL) {
     gpr_log(GPR_ERROR,
             "Could not allocated buffer for tsi_ssl_frame_protector.");
-    free(protector_impl);
+    gpr_free(protector_impl);
     return TSI_INTERNAL_ERROR;
   }
 
@@ -974,13 +1032,15 @@ static tsi_result ssl_handshaker_create_frame_protector(
 static void ssl_handshaker_destroy(tsi_handshaker *self) {
   tsi_ssl_handshaker *impl = (tsi_ssl_handshaker *)self;
   SSL_free(impl->ssl); /* The BIO objects are owned by ssl */
-  free(impl);
+  gpr_free(impl);
 }
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     ssl_handshaker_get_bytes_to_send_to_peer,
-    ssl_handshaker_process_bytes_from_peer, ssl_handshaker_get_result,
-    ssl_handshaker_extract_peer, ssl_handshaker_create_frame_protector,
+    ssl_handshaker_process_bytes_from_peer,
+    ssl_handshaker_get_result,
+    ssl_handshaker_extract_peer,
+    ssl_handshaker_create_frame_protector,
     ssl_handshaker_destroy,
 };
 
@@ -1049,11 +1109,8 @@ static tsi_result create_tsi_ssl_handshaker(SSL_CTX *ctx, int is_client,
     SSL_set_accept_state(ssl);
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_handshaker));
-  if (impl == NULL) {
-    SSL_free(ssl);
-    return TSI_OUT_OF_RESOURCES;
-  }
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->ssl = ssl;
   impl->into_ssl = into_ssl;
   impl->from_ssl = from_ssl;
@@ -1105,8 +1162,8 @@ static void ssl_client_handshaker_factory_destroy(
   tsi_ssl_client_handshaker_factory *impl =
       (tsi_ssl_client_handshaker_factory *)self;
   if (impl->ssl_context != NULL) SSL_CTX_free(impl->ssl_context);
-  if (impl->alpn_protocol_list != NULL) free(impl->alpn_protocol_list);
-  free(impl);
+  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
+  gpr_free(impl);
 }
 
 static int client_handshaker_factory_npn_callback(SSL *ssl, unsigned char **out,
@@ -1147,12 +1204,12 @@ static void ssl_server_handshaker_factory_destroy(
       tsi_peer_destruct(&impl->ssl_context_x509_subject_names[i]);
     }
   }
-  if (impl->ssl_contexts != NULL) free(impl->ssl_contexts);
+  if (impl->ssl_contexts != NULL) gpr_free(impl->ssl_contexts);
   if (impl->ssl_context_x509_subject_names != NULL) {
-    free(impl->ssl_context_x509_subject_names);
+    gpr_free(impl->ssl_context_x509_subject_names);
   }
-  if (impl->alpn_protocol_list != NULL) free(impl->alpn_protocol_list);
-  free(impl);
+  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
+  gpr_free(impl);
 }
 
 static int does_entry_match_name(const char *entry, size_t entry_length,
@@ -1271,11 +1328,8 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
     return TSI_INVALID_ARGUMENT;
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_client_handshaker_factory));
-  if (impl == NULL) {
-    SSL_CTX_free(ssl_context);
-    return TSI_OUT_OF_RESOURCES;
-  }
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->ssl_context = ssl_context;
 
   do {
@@ -1349,14 +1403,17 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     return TSI_INVALID_ARGUMENT;
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_server_handshaker_factory));
-  if (impl == NULL) return TSI_OUT_OF_RESOURCES;
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->base.create_handshaker =
       ssl_server_handshaker_factory_create_handshaker;
   impl->base.destroy = ssl_server_handshaker_factory_destroy;
-  impl->ssl_contexts = calloc(key_cert_pair_count, sizeof(SSL_CTX *));
+  impl->ssl_contexts = gpr_malloc(key_cert_pair_count * sizeof(SSL_CTX *));
+  memset(impl->ssl_contexts, 0, key_cert_pair_count * sizeof(SSL_CTX *));
   impl->ssl_context_x509_subject_names =
-      calloc(key_cert_pair_count, sizeof(tsi_peer));
+      gpr_malloc(key_cert_pair_count * sizeof(tsi_peer));
+  memset(impl->ssl_context_x509_subject_names, 0,
+         key_cert_pair_count * sizeof(tsi_peer));
   if (impl->ssl_contexts == NULL ||
       impl->ssl_context_x509_subject_names == NULL) {
     tsi_ssl_handshaker_factory_destroy(&impl->base);
@@ -1436,9 +1493,7 @@ int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name) {
   size_t i = 0;
   size_t san_count = 0;
   const tsi_peer_property *cn_property = NULL;
-
-  /* For now reject what looks like an IP address. */
-  if (looks_like_ip_address(name)) return 0;
+  int like_ip = looks_like_ip_address(name);
 
   /* Check the SAN first. */
   for (i = 0; i < peer->property_count; i++) {
@@ -1447,8 +1502,15 @@ int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name) {
     if (strcmp(property->name,
                TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY) == 0) {
       san_count++;
-      if (does_entry_match_name(property->value.data, property->value.length,
-                                name)) {
+
+      if (!like_ip && does_entry_match_name(property->value.data,
+                                            property->value.length, name)) {
+        return 1;
+      } else if (like_ip &&
+                 strncmp(name, property->value.data, property->value.length) ==
+                     0 &&
+                 strlen(name) == property->value.length) {
+        /* IP Addresses are exact matches only. */
         return 1;
       }
     } else if (strcmp(property->name,
@@ -1457,8 +1519,8 @@ int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name) {
     }
   }
 
-  /* If there's no SAN, try the CN. */
-  if (san_count == 0 && cn_property != NULL) {
+  /* If there's no SAN, try the CN, but only if its not like an IP Address */
+  if (san_count == 0 && cn_property != NULL && !like_ip) {
     if (does_entry_match_name(cn_property->value.data,
                               cn_property->value.length, name)) {
       return 1;
diff --git a/src/core/tsi/ssl_transport_security.h b/src/core/lib/tsi/ssl_transport_security.h
index 51c0003a85..211c8f9656 100644
--- a/src/core/tsi/ssl_transport_security.h
+++ b/src/core/lib/tsi/ssl_transport_security.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,6 +48,8 @@ extern "C" {
 #define TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY \
   "x509_subject_alternative_name"
 
+#define TSI_X509_PEM_CERT_PROPERTY "x509_pem_cert"
+
 #define TSI_SSL_ALPN_SELECTED_PROTOCOL "ssl_alpn_selected_protocol"
 
 /* --- tsi_ssl_handshaker_factory object ---
@@ -162,12 +164,11 @@ void tsi_ssl_handshaker_factory_destroy(tsi_ssl_handshaker_factory *self);
    Still TODO(jboeuf):
    - handle mixed case.
    - handle %encoded chars.
-   - handle public suffix wildchar more strictly (e.g. *.co.uk)
-   - handle IP addresses in SAN. */
+   - handle public suffix wildchar more strictly (e.g. *.co.uk) */
 int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/ssl_types.h b/src/core/lib/tsi/ssl_types.h
index 0d0225e9c7..0a988effd0 100644
--- a/src/core/tsi/ssl_types.h
+++ b/src/core/lib/tsi/ssl_types.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_SSL_TYPES_H
-#define GRPC_INTERNAL_CORE_TSI_SSL_TYPES_H
+#ifndef GRPC_CORE_LIB_TSI_SSL_TYPES_H
+#define GRPC_CORE_LIB_TSI_SSL_TYPES_H
 
 /* A collection of macros to cast between various integer types that are
  * used differently between BoringSSL and OpenSSL:
@@ -52,4 +52,4 @@
 #define TSI_SIZE_AS_SIZE(x) ((int)(x))
 #endif
 
-#endif
+#endif /* GRPC_CORE_LIB_TSI_SSL_TYPES_H */
diff --git a/src/core/tsi/test_creds/README b/src/core/lib/tsi/test_creds/README
index eb8482d648..eb8482d648 100644
--- a/src/core/tsi/test_creds/README
+++ b/src/core/lib/tsi/test_creds/README
diff --git a/src/core/tsi/test_creds/badclient.key b/src/core/lib/tsi/test_creds/badclient.key
index 5832685122..5832685122 100644
--- a/src/core/tsi/test_creds/badclient.key
+++ b/src/core/lib/tsi/test_creds/badclient.key
diff --git a/src/core/tsi/test_creds/badclient.pem b/src/core/lib/tsi/test_creds/badclient.pem
index 1785970221..1785970221 100644
--- a/src/core/tsi/test_creds/badclient.pem
+++ b/src/core/lib/tsi/test_creds/badclient.pem
diff --git a/src/core/tsi/test_creds/badserver.key b/src/core/lib/tsi/test_creds/badserver.key
index abfbde10ff..abfbde10ff 100644
--- a/src/core/tsi/test_creds/badserver.key
+++ b/src/core/lib/tsi/test_creds/badserver.key
diff --git a/src/core/tsi/test_creds/badserver.pem b/src/core/lib/tsi/test_creds/badserver.pem
index 983c979f31..983c979f31 100644
--- a/src/core/tsi/test_creds/badserver.pem
+++ b/src/core/lib/tsi/test_creds/badserver.pem
diff --git a/src/core/tsi/test_creds/ca-openssl.cnf b/src/core/lib/tsi/test_creds/ca-openssl.cnf
index e97b945e4b..e97b945e4b 100644
--- a/src/core/tsi/test_creds/ca-openssl.cnf
+++ b/src/core/lib/tsi/test_creds/ca-openssl.cnf
diff --git a/src/core/tsi/test_creds/ca.key b/src/core/lib/tsi/test_creds/ca.key
index 03c4f950e3..03c4f950e3 100644
--- a/src/core/tsi/test_creds/ca.key
+++ b/src/core/lib/tsi/test_creds/ca.key
diff --git a/src/core/tsi/test_creds/ca.pem b/src/core/lib/tsi/test_creds/ca.pem
index 6c8511a73c..6c8511a73c 100644
--- a/src/core/tsi/test_creds/ca.pem
+++ b/src/core/lib/tsi/test_creds/ca.pem
diff --git a/src/core/tsi/test_creds/client.key b/src/core/lib/tsi/test_creds/client.key
index f48d0735d9..f48d0735d9 100644
--- a/src/core/tsi/test_creds/client.key
+++ b/src/core/lib/tsi/test_creds/client.key
diff --git a/src/core/tsi/test_creds/client.pem b/src/core/lib/tsi/test_creds/client.pem
index e332091019..e332091019 100644
--- a/src/core/tsi/test_creds/client.pem
+++ b/src/core/lib/tsi/test_creds/client.pem
diff --git a/src/core/tsi/test_creds/server0.key b/src/core/lib/tsi/test_creds/server0.key
index add153c9ae..add153c9ae 100644
--- a/src/core/tsi/test_creds/server0.key
+++ b/src/core/lib/tsi/test_creds/server0.key
diff --git a/src/core/tsi/test_creds/server0.pem b/src/core/lib/tsi/test_creds/server0.pem
index ade75d8563..ade75d8563 100644
--- a/src/core/tsi/test_creds/server0.pem
+++ b/src/core/lib/tsi/test_creds/server0.pem
diff --git a/src/core/tsi/test_creds/server1-openssl.cnf b/src/core/lib/tsi/test_creds/server1-openssl.cnf
index 8a02108289..8a02108289 100644
--- a/src/core/tsi/test_creds/server1-openssl.cnf
+++ b/src/core/lib/tsi/test_creds/server1-openssl.cnf
diff --git a/src/core/tsi/test_creds/server1.key b/src/core/lib/tsi/test_creds/server1.key
index 143a5b8765..143a5b8765 100644
--- a/src/core/tsi/test_creds/server1.key
+++ b/src/core/lib/tsi/test_creds/server1.key
diff --git a/src/core/tsi/test_creds/server1.pem b/src/core/lib/tsi/test_creds/server1.pem
index f3d43fcc5b..f3d43fcc5b 100644
--- a/src/core/tsi/test_creds/server1.pem
+++ b/src/core/lib/tsi/test_creds/server1.pem
diff --git a/src/core/tsi/transport_security.c b/src/core/lib/tsi/transport_security.c
index db219a50a6..830cf09584 100644
--- a/src/core/tsi/transport_security.c
+++ b/src/core/lib/tsi/transport_security.c
@@ -31,7 +31,10 @@
  *
  */
 
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,19 +43,6 @@
 
 int tsi_tracing_enabled = 0;
 
-/* --- Utils. --- */
-
-char *tsi_strdup(const char *src) {
-  char *dst;
-  size_t len;
-  if (!src) return NULL;
-  len = strlen(src) + 1;
-  dst = malloc(len);
-  if (!dst) return NULL;
-  memcpy(dst, src, len);
-  return dst;
-}
-
 /* --- tsi_result common implementation. --- */
 
 const char *tsi_result_to_string(tsi_result result) {
@@ -214,15 +204,15 @@ static void tsi_peer_destroy_list_property(tsi_peer_property *children,
   for (i = 0; i < child_count; i++) {
     tsi_peer_property_destruct(&children[i]);
   }
-  free(children);
+  gpr_free(children);
 }
 
 void tsi_peer_property_destruct(tsi_peer_property *property) {
   if (property->name != NULL) {
-    free(property->name);
+    gpr_free(property->name);
   }
   if (property->value.data != NULL) {
-    free(property->value.data);
+    gpr_free(property->value.data);
   }
   *property = tsi_init_peer_property(); /* Reset everything to 0. */
 }
@@ -239,16 +229,10 @@ void tsi_peer_destruct(tsi_peer *self) {
 tsi_result tsi_construct_allocated_string_peer_property(
     const char *name, size_t value_length, tsi_peer_property *property) {
   *property = tsi_init_peer_property();
-  if (name != NULL) {
-    property->name = tsi_strdup(name);
-    if (property->name == NULL) return TSI_OUT_OF_RESOURCES;
-  }
+  if (name != NULL) property->name = gpr_strdup(name);
   if (value_length > 0) {
-    property->value.data = calloc(1, value_length);
-    if (property->value.data == NULL) {
-      tsi_peer_property_destruct(property);
-      return TSI_OUT_OF_RESOURCES;
-    }
+    property->value.data = gpr_malloc(value_length);
+    memset(property->value.data, 0, value_length);
     property->value.length = value_length;
   }
   return TSI_OK;
@@ -276,8 +260,8 @@ tsi_result tsi_construct_string_peer_property(const char *name,
 tsi_result tsi_construct_peer(size_t property_count, tsi_peer *peer) {
   memset(peer, 0, sizeof(tsi_peer));
   if (property_count > 0) {
-    peer->properties = calloc(property_count, sizeof(tsi_peer_property));
-    if (peer->properties == NULL) return TSI_OUT_OF_RESOURCES;
+    peer->properties = gpr_malloc(property_count * sizeof(tsi_peer_property));
+    memset(peer->properties, 0, property_count * sizeof(tsi_peer_property));
     peer->property_count = property_count;
   }
   return TSI_OK;
diff --git a/src/core/tsi/transport_security.h b/src/core/lib/tsi/transport_security.h
index 4077737473..aaf110ee05 100644
--- a/src/core/tsi/transport_security.h
+++ b/src/core/lib/tsi/transport_security.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -108,4 +108,4 @@ char *tsi_strdup(const char *src); /* Sadly, no strdup in C89. */
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/transport_security_interface.h b/src/core/lib/tsi/transport_security_interface.h
index 69ee17ae91..d81ec0963a 100644
--- a/src/core/tsi/transport_security_interface.h
+++ b/src/core/lib/tsi/transport_security_interface.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H
-#define GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H
+#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H
+#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H
 
 #include <stdint.h>
 #include <stdlib.h>
@@ -341,4 +341,4 @@ void tsi_handshaker_destroy(tsi_handshaker *self);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H */
+#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H */
diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c
new file mode 100644
index 0000000000..822aa6d8b7
--- /dev/null
+++ b/src/core/plugin_registry/grpc_plugin_registry.c
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
+extern void grpc_lb_policy_pick_first_init(void);
+extern void grpc_lb_policy_pick_first_shutdown(void);
+extern void grpc_lb_policy_round_robin_init(void);
+extern void grpc_lb_policy_round_robin_shutdown(void);
+extern void grpc_resolver_dns_native_init(void);
+extern void grpc_resolver_dns_native_shutdown(void);
+extern void grpc_resolver_sockaddr_init(void);
+extern void grpc_resolver_sockaddr_shutdown(void);
+extern void census_grpc_plugin_init(void);
+extern void census_grpc_plugin_shutdown(void);
+
+void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
+  grpc_register_plugin(grpc_lb_policy_pick_first_init,
+                       grpc_lb_policy_pick_first_shutdown);
+  grpc_register_plugin(grpc_lb_policy_round_robin_init,
+                       grpc_lb_policy_round_robin_shutdown);
+  grpc_register_plugin(grpc_resolver_dns_native_init,
+                       grpc_resolver_dns_native_shutdown);
+  grpc_register_plugin(grpc_resolver_sockaddr_init,
+                       grpc_resolver_sockaddr_shutdown);
+  grpc_register_plugin(census_grpc_plugin_init,
+                       census_grpc_plugin_shutdown);
+}
diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
new file mode 100644
index 0000000000..a6108ae7a9
--- /dev/null
+++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
+extern void grpc_resolver_dns_native_init(void);
+extern void grpc_resolver_dns_native_shutdown(void);
+extern void grpc_resolver_sockaddr_init(void);
+extern void grpc_resolver_sockaddr_shutdown(void);
+extern void grpc_lb_policy_pick_first_init(void);
+extern void grpc_lb_policy_pick_first_shutdown(void);
+extern void grpc_lb_policy_round_robin_init(void);
+extern void grpc_lb_policy_round_robin_shutdown(void);
+extern void census_grpc_plugin_init(void);
+extern void census_grpc_plugin_shutdown(void);
+
+void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
+  grpc_register_plugin(grpc_resolver_dns_native_init,
+                       grpc_resolver_dns_native_shutdown);
+  grpc_register_plugin(grpc_resolver_sockaddr_init,
+                       grpc_resolver_sockaddr_shutdown);
+  grpc_register_plugin(grpc_lb_policy_pick_first_init,
+                       grpc_lb_policy_pick_first_shutdown);
+  grpc_register_plugin(grpc_lb_policy_round_robin_init,
+                       grpc_lb_policy_round_robin_shutdown);
+  grpc_register_plugin(census_grpc_plugin_init,
+                       census_grpc_plugin_shutdown);
+}
diff --git a/src/core/surface/init.c b/src/core/surface/init.c
deleted file mode 100644
index a4a53d3ec1..0000000000
--- a/src/core/surface/init.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#include <memory.h>
-
-#include <grpc/census.h>
-#include <grpc/grpc.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/time.h>
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/client_config/lb_policies/pick_first.h"
-#include "src/core/client_config/lb_policies/round_robin.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/client_config/resolvers/dns_resolver.h"
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-#include "src/core/client_config/subchannel.h"
-#include "src/core/client_config/subchannel_index.h"
-#include "src/core/debug/trace.h"
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/init.h"
-#include "src/core/surface/surface_trace.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "src/core/transport/connectivity_state.h"
-
-#ifndef GRPC_DEFAULT_NAME_PREFIX
-#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
-#endif
-
-#define MAX_PLUGINS 128
-
-static gpr_once g_basic_init = GPR_ONCE_INIT;
-static gpr_mu g_init_mu;
-static int g_initializations;
-
-static void do_basic_init(void) {
-  gpr_mu_init(&g_init_mu);
-  g_initializations = 0;
-}
-
-typedef struct grpc_plugin {
-  void (*init)();
-  void (*destroy)();
-} grpc_plugin;
-
-static grpc_plugin g_all_of_the_plugins[MAX_PLUGINS];
-static int g_number_of_plugins = 0;
-
-void grpc_register_plugin(void (*init)(void), void (*destroy)(void)) {
-  GRPC_API_TRACE("grpc_register_plugin(init=%p, destroy=%p)", 2,
-                 ((void*)(intptr_t)init, (void*)(intptr_t)destroy));
-  GPR_ASSERT(g_number_of_plugins != MAX_PLUGINS);
-  g_all_of_the_plugins[g_number_of_plugins].init = init;
-  g_all_of_the_plugins[g_number_of_plugins].destroy = destroy;
-  g_number_of_plugins++;
-}
-
-void grpc_init(void) {
-  int i;
-  gpr_once_init(&g_basic_init, do_basic_init);
-
-  gpr_mu_lock(&g_init_mu);
-  if (++g_initializations == 1) {
-    gpr_time_init();
-    grpc_mdctx_global_init();
-    grpc_lb_policy_registry_init(grpc_pick_first_lb_factory_create());
-    grpc_register_lb_policy(grpc_pick_first_lb_factory_create());
-    grpc_register_lb_policy(grpc_round_robin_lb_factory_create());
-    grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
-    grpc_register_resolver_type(grpc_dns_resolver_factory_create());
-    grpc_register_resolver_type(grpc_ipv4_resolver_factory_create());
-    grpc_register_resolver_type(grpc_ipv6_resolver_factory_create());
-#ifdef GPR_POSIX_SOCKET
-    grpc_register_resolver_type(grpc_unix_resolver_factory_create());
-#endif
-    grpc_register_tracer("api", &grpc_api_trace);
-    grpc_register_tracer("channel", &grpc_trace_channel);
-    grpc_register_tracer("http", &grpc_http_trace);
-    grpc_register_tracer("flowctl", &grpc_flowctl_trace);
-    grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
-    grpc_security_pre_init();
-    grpc_iomgr_init();
-    grpc_executor_init();
-    grpc_tracer_init("GRPC_TRACE");
-    /* Only initialize census if no one else has and some features are
-     * available. */
-    if (census_enabled() == CENSUS_FEATURE_NONE &&
-        census_supported() != CENSUS_FEATURE_NONE) {
-      if (census_initialize(census_supported())) { /* enable all features. */
-        gpr_log(GPR_ERROR, "Could not initialize census.");
-      }
-    }
-    gpr_timers_global_init();
-    grpc_cq_global_init();
-    grpc_subchannel_index_init();
-    for (i = 0; i < g_number_of_plugins; i++) {
-      if (g_all_of_the_plugins[i].init != NULL) {
-        g_all_of_the_plugins[i].init();
-      }
-    }
-  }
-  gpr_mu_unlock(&g_init_mu);
-  GRPC_API_TRACE("grpc_init(void)", 0, ());
-}
-
-void grpc_shutdown(void) {
-  int i;
-  GRPC_API_TRACE("grpc_shutdown(void)", 0, ());
-  gpr_mu_lock(&g_init_mu);
-  if (--g_initializations == 0) {
-    grpc_executor_shutdown();
-    grpc_cq_global_shutdown();
-    grpc_iomgr_shutdown();
-    grpc_subchannel_index_shutdown();
-    census_shutdown();
-    gpr_timers_global_destroy();
-    grpc_tracer_shutdown();
-    grpc_resolver_registry_shutdown();
-    grpc_lb_policy_registry_shutdown();
-    for (i = 0; i < g_number_of_plugins; i++) {
-      if (g_all_of_the_plugins[i].destroy != NULL) {
-        g_all_of_the_plugins[i].destroy();
-      }
-    }
-    grpc_mdctx_global_shutdown();
-  }
-  gpr_mu_unlock(&g_init_mu);
-}
-
-int grpc_is_initialized(void) {
-  int r;
-  gpr_once_init(&g_basic_init, do_basic_init);
-  gpr_mu_lock(&g_init_mu);
-  r = g_initializations > 0;
-  gpr_mu_unlock(&g_init_mu);
-  return r;
-}
diff --git a/src/core/transport/chttp2/huffsyms.c b/src/core/transport/chttp2/huffsyms.c
deleted file mode 100644
index 7b138e9b5d..0000000000
--- a/src/core/transport/chttp2/huffsyms.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/transport/chttp2/huffsyms.h"
-
-/* Constants pulled from the HPACK spec, and converted to C using the vim
-   command:
-   :%s/.*   \([0-9a-f]\+\)  \[ *\([0-9]\+\)\]/{0x\1, \2},/g */
-const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS] = {
-    {0x1ff8, 13},
-    {0x7fffd8, 23},
-    {0xfffffe2, 28},
-    {0xfffffe3, 28},
-    {0xfffffe4, 28},
-    {0xfffffe5, 28},
-    {0xfffffe6, 28},
-    {0xfffffe7, 28},
-    {0xfffffe8, 28},
-    {0xffffea, 24},
-    {0x3ffffffc, 30},
-    {0xfffffe9, 28},
-    {0xfffffea, 28},
-    {0x3ffffffd, 30},
-    {0xfffffeb, 28},
-    {0xfffffec, 28},
-    {0xfffffed, 28},
-    {0xfffffee, 28},
-    {0xfffffef, 28},
-    {0xffffff0, 28},
-    {0xffffff1, 28},
-    {0xffffff2, 28},
-    {0x3ffffffe, 30},
-    {0xffffff3, 28},
-    {0xffffff4, 28},
-    {0xffffff5, 28},
-    {0xffffff6, 28},
-    {0xffffff7, 28},
-    {0xffffff8, 28},
-    {0xffffff9, 28},
-    {0xffffffa, 28},
-    {0xffffffb, 28},
-    {0x14, 6},
-    {0x3f8, 10},
-    {0x3f9, 10},
-    {0xffa, 12},
-    {0x1ff9, 13},
-    {0x15, 6},
-    {0xf8, 8},
-    {0x7fa, 11},
-    {0x3fa, 10},
-    {0x3fb, 10},
-    {0xf9, 8},
-    {0x7fb, 11},
-    {0xfa, 8},
-    {0x16, 6},
-    {0x17, 6},
-    {0x18, 6},
-    {0x0, 5},
-    {0x1, 5},
-    {0x2, 5},
-    {0x19, 6},
-    {0x1a, 6},
-    {0x1b, 6},
-    {0x1c, 6},
-    {0x1d, 6},
-    {0x1e, 6},
-    {0x1f, 6},
-    {0x5c, 7},
-    {0xfb, 8},
-    {0x7ffc, 15},
-    {0x20, 6},
-    {0xffb, 12},
-    {0x3fc, 10},
-    {0x1ffa, 13},
-    {0x21, 6},
-    {0x5d, 7},
-    {0x5e, 7},
-    {0x5f, 7},
-    {0x60, 7},
-    {0x61, 7},
-    {0x62, 7},
-    {0x63, 7},
-    {0x64, 7},
-    {0x65, 7},
-    {0x66, 7},
-    {0x67, 7},
-    {0x68, 7},
-    {0x69, 7},
-    {0x6a, 7},
-    {0x6b, 7},
-    {0x6c, 7},
-    {0x6d, 7},
-    {0x6e, 7},
-    {0x6f, 7},
-    {0x70, 7},
-    {0x71, 7},
-    {0x72, 7},
-    {0xfc, 8},
-    {0x73, 7},
-    {0xfd, 8},
-    {0x1ffb, 13},
-    {0x7fff0, 19},
-    {0x1ffc, 13},
-    {0x3ffc, 14},
-    {0x22, 6},
-    {0x7ffd, 15},
-    {0x3, 5},
-    {0x23, 6},
-    {0x4, 5},
-    {0x24, 6},
-    {0x5, 5},
-    {0x25, 6},
-    {0x26, 6},
-    {0x27, 6},
-    {0x6, 5},
-    {0x74, 7},
-    {0x75, 7},
-    {0x28, 6},
-    {0x29, 6},
-    {0x2a, 6},
-    {0x7, 5},
-    {0x2b, 6},
-    {0x76, 7},
-    {0x2c, 6},
-    {0x8, 5},
-    {0x9, 5},
-    {0x2d, 6},
-    {0x77, 7},
-    {0x78, 7},
-    {0x79, 7},
-    {0x7a, 7},
-    {0x7b, 7},
-    {0x7ffe, 15},
-    {0x7fc, 11},
-    {0x3ffd, 14},
-    {0x1ffd, 13},
-    {0xffffffc, 28},
-    {0xfffe6, 20},
-    {0x3fffd2, 22},
-    {0xfffe7, 20},
-    {0xfffe8, 20},
-    {0x3fffd3, 22},
-    {0x3fffd4, 22},
-    {0x3fffd5, 22},
-    {0x7fffd9, 23},
-    {0x3fffd6, 22},
-    {0x7fffda, 23},
-    {0x7fffdb, 23},
-    {0x7fffdc, 23},
-    {0x7fffdd, 23},
-    {0x7fffde, 23},
-    {0xffffeb, 24},
-    {0x7fffdf, 23},
-    {0xffffec, 24},
-    {0xffffed, 24},
-    {0x3fffd7, 22},
-    {0x7fffe0, 23},
-    {0xffffee, 24},
-    {0x7fffe1, 23},
-    {0x7fffe2, 23},
-    {0x7fffe3, 23},
-    {0x7fffe4, 23},
-    {0x1fffdc, 21},
-    {0x3fffd8, 22},
-    {0x7fffe5, 23},
-    {0x3fffd9, 22},
-    {0x7fffe6, 23},
-    {0x7fffe7, 23},
-    {0xffffef, 24},
-    {0x3fffda, 22},
-    {0x1fffdd, 21},
-    {0xfffe9, 20},
-    {0x3fffdb, 22},
-    {0x3fffdc, 22},
-    {0x7fffe8, 23},
-    {0x7fffe9, 23},
-    {0x1fffde, 21},
-    {0x7fffea, 23},
-    {0x3fffdd, 22},
-    {0x3fffde, 22},
-    {0xfffff0, 24},
-    {0x1fffdf, 21},
-    {0x3fffdf, 22},
-    {0x7fffeb, 23},
-    {0x7fffec, 23},
-    {0x1fffe0, 21},
-    {0x1fffe1, 21},
-    {0x3fffe0, 22},
-    {0x1fffe2, 21},
-    {0x7fffed, 23},
-    {0x3fffe1, 22},
-    {0x7fffee, 23},
-    {0x7fffef, 23},
-    {0xfffea, 20},
-    {0x3fffe2, 22},
-    {0x3fffe3, 22},
-    {0x3fffe4, 22},
-    {0x7ffff0, 23},
-    {0x3fffe5, 22},
-    {0x3fffe6, 22},
-    {0x7ffff1, 23},
-    {0x3ffffe0, 26},
-    {0x3ffffe1, 26},
-    {0xfffeb, 20},
-    {0x7fff1, 19},
-    {0x3fffe7, 22},
-    {0x7ffff2, 23},
-    {0x3fffe8, 22},
-    {0x1ffffec, 25},
-    {0x3ffffe2, 26},
-    {0x3ffffe3, 26},
-    {0x3ffffe4, 26},
-    {0x7ffffde, 27},
-    {0x7ffffdf, 27},
-    {0x3ffffe5, 26},
-    {0xfffff1, 24},
-    {0x1ffffed, 25},
-    {0x7fff2, 19},
-    {0x1fffe3, 21},
-    {0x3ffffe6, 26},
-    {0x7ffffe0, 27},
-    {0x7ffffe1, 27},
-    {0x3ffffe7, 26},
-    {0x7ffffe2, 27},
-    {0xfffff2, 24},
-    {0x1fffe4, 21},
-    {0x1fffe5, 21},
-    {0x3ffffe8, 26},
-    {0x3ffffe9, 26},
-    {0xffffffd, 28},
-    {0x7ffffe3, 27},
-    {0x7ffffe4, 27},
-    {0x7ffffe5, 27},
-    {0xfffec, 20},
-    {0xfffff3, 24},
-    {0xfffed, 20},
-    {0x1fffe6, 21},
-    {0x3fffe9, 22},
-    {0x1fffe7, 21},
-    {0x1fffe8, 21},
-    {0x7ffff3, 23},
-    {0x3fffea, 22},
-    {0x3fffeb, 22},
-    {0x1ffffee, 25},
-    {0x1ffffef, 25},
-    {0xfffff4, 24},
-    {0xfffff5, 24},
-    {0x3ffffea, 26},
-    {0x7ffff4, 23},
-    {0x3ffffeb, 26},
-    {0x7ffffe6, 27},
-    {0x3ffffec, 26},
-    {0x3ffffed, 26},
-    {0x7ffffe7, 27},
-    {0x7ffffe8, 27},
-    {0x7ffffe9, 27},
-    {0x7ffffea, 27},
-    {0x7ffffeb, 27},
-    {0xffffffe, 28},
-    {0x7ffffec, 27},
-    {0x7ffffed, 27},
-    {0x7ffffee, 27},
-    {0x7ffffef, 27},
-    {0x7fffff0, 27},
-    {0x3ffffee, 26},
-    {0x3fffffff, 30},
-};
diff --git a/src/cpp/README.md b/src/cpp/README.md
index baeba08315..f2935e52d9 100644
--- a/src/cpp/README.md
+++ b/src/cpp/README.md
@@ -6,3 +6,77 @@ This directory contains source code for C++ implementation of gRPC.
 #Status
 
 Beta
+
+#Pre-requisites
+
+##Linux
+
+```sh
+ $ [sudo] apt-get install build-essential autoconf libtool
+```
+
+##Mac OSX
+
+For a Mac system, git is not available by default. You will first need to
+install Xcode from the Mac AppStore and then run the following command from a
+terminal:
+
+```sh
+ $ [sudo] xcode-select --install
+```
+
+##Protoc
+
+By default gRPC uses [protocol buffers](https://github.com/google/protobuf),
+you will need the `protoc` compiler to generate stub server and client code.
+
+If you compile gRPC from source, as described below, this also installs the
+`protoc` compiler.
+
+If it hasn't been installed, you can run the following commands to install it.
+
+```sh
+$ cd grpc/third_party/protobuf
+$ sudo make install   # 'make' should have been run by core grpc
+```
+
+Alternatively, you can download `protoc` binaries from
+[the protocol buffers Github repository](https://github.com/google/protobuf/releases).
+
+#Installation
+
+Currently to install gRPC for C++, you need to build from source as described
+below.
+
+#Build from Source
+
+```sh
+ $ git clone https://github.com/grpc/grpc.git
+ $ cd grpc
+ $ git submodule update --init
+ $ make
+ $ [sudo] make install
+```
+
+#Documentation
+
+You can find out how to build and run our simplest gRPC C++ example in our
+[C++ quick start](../../examples/cpp).
+
+For more detailed documentation on using gRPC in C++ , see our main
+documentation site at [grpc.io](http://grpc.io), specifically:
+
+* [Overview](http://www.grpc.io/docs/): An introduction to gRPC with a simple
+  Hello World example in all our supported languages, including C++.
+* [gRPC Basics - C++](http://www.grpc.io/docs/tutorials/basic/c.html):
+  A tutorial that steps you through creating a simple gRPC C++ example
+  application.
+* [Asynchronous Basics - C++](http://www.grpc.io/docs/tutorials/async/helloasync-cpp.html):
+  A tutorial that shows you how to use gRPC C++'s asynchronous/non-blocking
+  APIs.
+
+
+# Examples
+
+Code examples for gRPC C++ live in this repository's
+[examples/cpp](../../examples/cpp) directory.
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index ae20392d11..43b3875cb3 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 namespace grpc {
 
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 73147fd7bb..c277d7ebe8 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,15 +33,15 @@
 
 #include <grpc++/client_context.h>
 
+#include <grpc++/security/credentials.h>
+#include <grpc++/server_context.h>
+#include <grpc++/support/time.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
-#include <grpc++/security/credentials.h>
-#include <grpc++/server_context.h>
-#include <grpc++/support/time.h>
 
-#include "src/core/channel/compress_filter.h"
+#include "src/core/lib/channel/compress_filter.h"
 #include "src/cpp/common/create_auth_context.h"
 
 namespace grpc {
@@ -60,6 +60,8 @@ static ClientContext::GlobalCallbacks* g_client_callbacks =
 
 ClientContext::ClientContext()
     : initial_metadata_received_(false),
+      fail_fast_(true),
+      idempotent_(false),
       call_(nullptr),
       call_canceled_(false),
       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
diff --git a/src/cpp/client/create_channel.cc b/src/cpp/client/create_channel.cc
index 76a1b31e2f..d0cc33b7a2 100644
--- a/src/cpp/client/create_channel.cc
+++ b/src/cpp/client/create_channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/client/credentials.cc b/src/cpp/client/credentials.cc
index 6fb620b0ea..e6a4f81b0d 100644
--- a/src/cpp/client/credentials.cc
+++ b/src/cpp/client/credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/client/insecure_credentials.cc b/src/cpp/client/insecure_credentials.cc
index 1293203b93..13019a7117 100644
--- a/src/cpp/client/insecure_credentials.cc
+++ b/src/cpp/client/insecure_credentials.cc
@@ -33,11 +33,11 @@
 
 #include <grpc++/security/credentials.h>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <grpc++/channel.h>
 #include <grpc++/support/channel_arguments.h>
 #include <grpc++/support/config.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 #include "src/cpp/client/create_channel_internal.h"
 
 namespace grpc {
diff --git a/src/cpp/client/secure_credentials.cc b/src/cpp/client/secure_credentials.cc
index 074dae7ca7..269c523bba 100644
--- a/src/cpp/client/secure_credentials.cc
+++ b/src/cpp/client/secure_credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
+#include "src/cpp/client/secure_credentials.h"
 #include <grpc++/channel.h>
 #include <grpc++/impl/grpc_library.h>
 #include <grpc++/support/channel_arguments.h>
 #include <grpc/support/log.h>
 #include "src/cpp/client/create_channel_internal.h"
-#include "src/cpp/client/secure_credentials.h"
 #include "src/cpp/common/secure_auth_context.h"
 
 namespace grpc {
@@ -60,8 +60,7 @@ std::shared_ptr<grpc::Channel> SecureChannelCredentials::CreateChannel(
 
 SecureCallCredentials::SecureCallCredentials(grpc_call_credentials* c_creds)
     : c_creds_(c_creds) {
-  internal::GrpcLibraryInitializer gli_initializer;
-  gli_initializer.summon();
+  g_gli_initializer.summon();
 }
 
 bool SecureCallCredentials::ApplyToCall(grpc_call* call) {
@@ -83,14 +82,14 @@ std::shared_ptr<CallCredentials> WrapCallCredentials(
 }  // namespace
 
 std::shared_ptr<ChannelCredentials> GoogleDefaultCredentials() {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   return WrapChannelCredentials(grpc_google_default_credentials_create());
 }
 
 // Builds SSL Credentials given SSL specific options
 std::shared_ptr<ChannelCredentials> SslCredentials(
     const SslCredentialsOptions& options) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {
       options.pem_private_key.c_str(), options.pem_cert_chain.c_str()};
 
@@ -102,7 +101,7 @@ std::shared_ptr<ChannelCredentials> SslCredentials(
 
 // Builds credentials for use when running in GCE
 std::shared_ptr<CallCredentials> GoogleComputeEngineCredentials() {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   return WrapCallCredentials(
       grpc_google_compute_engine_credentials_create(nullptr));
 }
@@ -110,7 +109,7 @@ std::shared_ptr<CallCredentials> GoogleComputeEngineCredentials() {
 // Builds JWT credentials.
 std::shared_ptr<CallCredentials> ServiceAccountJWTAccessCredentials(
     const grpc::string& json_key, long token_lifetime_seconds) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   if (token_lifetime_seconds <= 0) {
     gpr_log(GPR_ERROR,
             "Trying to create JWTCredentials with non-positive lifetime");
@@ -125,7 +124,7 @@ std::shared_ptr<CallCredentials> ServiceAccountJWTAccessCredentials(
 // Builds refresh token credentials.
 std::shared_ptr<CallCredentials> GoogleRefreshTokenCredentials(
     const grpc::string& json_refresh_token) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   return WrapCallCredentials(grpc_google_refresh_token_credentials_create(
       json_refresh_token.c_str(), nullptr));
 }
@@ -133,7 +132,7 @@ std::shared_ptr<CallCredentials> GoogleRefreshTokenCredentials(
 // Builds access token credentials.
 std::shared_ptr<CallCredentials> AccessTokenCredentials(
     const grpc::string& access_token) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   return WrapCallCredentials(
       grpc_access_token_credentials_create(access_token.c_str(), nullptr));
 }
@@ -142,7 +141,7 @@ std::shared_ptr<CallCredentials> AccessTokenCredentials(
 std::shared_ptr<CallCredentials> GoogleIAMCredentials(
     const grpc::string& authorization_token,
     const grpc::string& authority_selector) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   return WrapCallCredentials(grpc_google_iam_credentials_create(
       authorization_token.c_str(), authority_selector.c_str(), nullptr));
 }
@@ -224,7 +223,7 @@ MetadataCredentialsPluginWrapper::MetadataCredentialsPluginWrapper(
 
 std::shared_ptr<CallCredentials> MetadataCredentialsFromPlugin(
     std::unique_ptr<MetadataCredentialsPlugin> plugin) {
-  GrpcLibrary init;  // To call grpc_init().
+  GrpcLibraryCodegen init;  // To call grpc_init().
   const char* type = plugin->GetType();
   MetadataCredentialsPluginWrapper* wrapper =
       new MetadataCredentialsPluginWrapper(std::move(plugin));
diff --git a/src/cpp/client/secure_credentials.h b/src/cpp/client/secure_credentials.h
index 9e84102154..ae41ef8007 100644
--- a/src/cpp/client/secure_credentials.h
+++ b/src/cpp/client/secure_credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 
 #include <grpc/grpc_security.h>
 
-#include <grpc++/support/config.h>
 #include <grpc++/security/credentials.h>
+#include <grpc++/support/config.h>
 
 #include "src/cpp/server/thread_pool_interface.h"
 
diff --git a/src/cpp/codegen/codegen_init.cc b/src/cpp/codegen/codegen_init.cc
new file mode 100644
index 0000000000..c5d22124b7
--- /dev/null
+++ b/src/cpp/codegen/codegen_init.cc
@@ -0,0 +1,45 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc++/impl/codegen/grpc_library.h>
+
+/// Initializes the global gRPC variables for the codegen library. These will
+/// stay null in the absence of of grpc++ library. In this case, no gRPC
+/// features such as the ability to perform calls will be available. Trying to
+/// perform them would result in a segmentation fault when trying to deference
+/// the following nulled globals. These should be associated with actual
+/// as part of the instantiation of a \a grpc::GrpcLibraryInitializer variable.
+
+grpc::CoreCodegenInterface* grpc::g_core_codegen_interface = nullptr;
+grpc::GrpcLibraryInterface* grpc::g_glip = nullptr;
diff --git a/src/cpp/common/call.cc b/src/cpp/common/call.cc
deleted file mode 100644
index 5b87c2a806..0000000000
--- a/src/cpp/common/call.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc++/impl/call.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc++/channel.h>
-#include <grpc++/client_context.h>
-#include <grpc++/support/byte_buffer.h>
-#include "src/core/profiling/timers.h"
-
-namespace grpc {
-
-void FillMetadataMap(
-    grpc_metadata_array* arr,
-    std::multimap<grpc::string_ref, grpc::string_ref>* metadata) {
-  for (size_t i = 0; i < arr->count; i++) {
-    // TODO(yangg) handle duplicates?
-    metadata->insert(std::pair<grpc::string_ref, grpc::string_ref>(
-        arr->metadata[i].key, grpc::string_ref(arr->metadata[i].value,
-                                               arr->metadata[i].value_length)));
-  }
-  grpc_metadata_array_destroy(arr);
-  grpc_metadata_array_init(arr);
-}
-
-// TODO(yangg) if the map is changed before we send, the pointers will be a
-// mess. Make sure it does not happen.
-grpc_metadata* FillMetadataArray(
-    const std::multimap<grpc::string, grpc::string>& metadata) {
-  if (metadata.empty()) {
-    return nullptr;
-  }
-  grpc_metadata* metadata_array =
-      (grpc_metadata*)gpr_malloc(metadata.size() * sizeof(grpc_metadata));
-  size_t i = 0;
-  for (auto iter = metadata.cbegin(); iter != metadata.cend(); ++iter, ++i) {
-    metadata_array[i].key = iter->first.c_str();
-    metadata_array[i].value = iter->second.c_str();
-    metadata_array[i].value_length = iter->second.size();
-  }
-  return metadata_array;
-}
-
-Call::Call(grpc_call* call, CallHook* call_hook, CompletionQueue* cq)
-    : call_hook_(call_hook), cq_(cq), call_(call), max_message_size_(-1) {}
-
-Call::Call(grpc_call* call, CallHook* call_hook, CompletionQueue* cq,
-           int max_message_size)
-    : call_hook_(call_hook),
-      cq_(cq),
-      call_(call),
-      max_message_size_(max_message_size) {}
-
-void Call::PerformOps(CallOpSetInterface* ops) {
-  if (max_message_size_ > 0) {
-    ops->set_max_message_size(max_message_size_);
-  }
-  call_hook_->PerformOpsOnCall(ops, this);
-}
-
-}  // namespace grpc
diff --git a/src/cpp/common/channel_arguments.cc b/src/cpp/common/channel_arguments.cc
index d7faa5e173..db3558f192 100644
--- a/src/cpp/common/channel_arguments.cc
+++ b/src/cpp/common/channel_arguments.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@
 
 #include <grpc/impl/codegen/grpc_types.h>
 #include <grpc/support/log.h>
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 namespace grpc {
 
diff --git a/src/cpp/common/completion_queue.cc b/src/cpp/common/completion_queue.cc
index 4f76dfff1d..00cc102f92 100644
--- a/src/cpp/common/completion_queue.cc
+++ b/src/cpp/common/completion_queue.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,6 @@
 
 #include <memory>
 
-#include <grpc++/impl/codegen/completion_queue_tag.h>
 #include <grpc++/impl/grpc_library.h>
 #include <grpc++/support/time.h>
 #include <grpc/grpc.h>
@@ -43,16 +42,13 @@
 namespace grpc {
 
 static internal::GrpcLibraryInitializer g_gli_initializer;
-CompletionQueue::CompletionQueue() {
-  g_gli_initializer.summon();
-  cq_ = grpc_completion_queue_create(nullptr);
-}
 
 CompletionQueue::CompletionQueue(grpc_completion_queue* take) : cq_(take) {}
 
-CompletionQueue::~CompletionQueue() { grpc_completion_queue_destroy(cq_); }
-
-void CompletionQueue::Shutdown() { grpc_completion_queue_shutdown(cq_); }
+void CompletionQueue::Shutdown() {
+  g_gli_initializer.summon();
+  grpc_completion_queue_shutdown(cq_);
+}
 
 CompletionQueue::NextStatus CompletionQueue::AsyncNextInternal(
     void** tag, bool* ok, gpr_timespec deadline) {
@@ -75,25 +71,4 @@ CompletionQueue::NextStatus CompletionQueue::AsyncNextInternal(
   }
 }
 
-bool CompletionQueue::Pluck(CompletionQueueTag* tag) {
-  auto deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-  auto ev = grpc_completion_queue_pluck(cq_, tag, deadline, nullptr);
-  bool ok = ev.success != 0;
-  void* ignored = tag;
-  GPR_ASSERT(tag->FinalizeResult(&ignored, &ok));
-  GPR_ASSERT(ignored == tag);
-  // Ignore mutations by FinalizeResult: Pluck returns the C API status
-  return ev.success != 0;
-}
-
-void CompletionQueue::TryPluck(CompletionQueueTag* tag) {
-  auto deadline = gpr_time_0(GPR_CLOCK_REALTIME);
-  auto ev = grpc_completion_queue_pluck(cq_, tag, deadline, nullptr);
-  if (ev.type == GRPC_QUEUE_TIMEOUT) return;
-  bool ok = ev.success != 0;
-  void* ignored = tag;
-  // the tag must be swallowed if using TryPluck
-  GPR_ASSERT(!tag->FinalizeResult(&ignored, &ok));
-}
-
 }  // namespace grpc
diff --git a/src/cpp/proto/proto_utils.cc b/src/cpp/common/core_codegen.cc
index 79e7bf1801..33a8f755e6 100644
--- a/src/cpp/proto/proto_utils.cc
+++ b/src/cpp/common/core_codegen.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,28 +31,31 @@
  *
  */
 
-#include <grpc++/impl/proto_utils.h>
+#include "src/cpp/common/core_codegen.h"
 
-#include <climits>
+#include <stdlib.h>
 
-#include <grpc/grpc.h>
+#include <grpc++/support/config.h>
 #include <grpc/byte_buffer.h>
 #include <grpc/byte_buffer_reader.h>
-#include <grpc/support/log.h>
+#include <grpc/grpc.h>
+#include <grpc/impl/codegen/alloc.h>
+#include <grpc/impl/codegen/byte_buffer.h>
+#include <grpc/impl/codegen/log.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
-#include <grpc/support/port_platform.h>
-#include <grpc++/support/config.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
-const int kMaxBufferLength = 8192;
+namespace {
+
+const int kGrpcBufferWriterMaxBufferLength = 8192;
 
 class GrpcBufferWriter GRPC_FINAL
     : public ::grpc::protobuf::io::ZeroCopyOutputStream {
  public:
-  explicit GrpcBufferWriter(grpc_byte_buffer** bp,
-                            int block_size = kMaxBufferLength)
+  explicit GrpcBufferWriter(grpc_byte_buffer** bp, int block_size)
       : block_size_(block_size), byte_count_(0), have_backup_(false) {
     *bp = grpc_raw_byte_buffer_create(NULL, 0);
     slice_buffer_ = &(*bp)->data.raw.slice_buffer;
@@ -161,14 +164,56 @@ class GrpcBufferReader GRPC_FINAL
   grpc_byte_buffer_reader reader_;
   gpr_slice slice_;
 };
+}  // namespace
 
 namespace grpc {
 
-Status SerializeProto(const grpc::protobuf::Message& msg,
-                      grpc_byte_buffer** bp) {
+grpc_completion_queue* CoreCodegen::grpc_completion_queue_create(
+    void* reserved) {
+  return ::grpc_completion_queue_create(reserved);
+}
+
+void CoreCodegen::grpc_completion_queue_destroy(grpc_completion_queue* cq) {
+  ::grpc_completion_queue_destroy(cq);
+}
+
+grpc_event CoreCodegen::grpc_completion_queue_pluck(grpc_completion_queue* cq,
+                                                    void* tag,
+                                                    gpr_timespec deadline,
+                                                    void* reserved) {
+  return ::grpc_completion_queue_pluck(cq, tag, deadline, reserved);
+}
+
+void* CoreCodegen::gpr_malloc(size_t size) { return ::gpr_malloc(size); }
+
+void CoreCodegen::gpr_free(void* p) { return ::gpr_free(p); }
+
+void CoreCodegen::grpc_byte_buffer_destroy(grpc_byte_buffer* bb) {
+  ::grpc_byte_buffer_destroy(bb);
+}
+
+void CoreCodegen::grpc_metadata_array_init(grpc_metadata_array* array) {
+  ::grpc_metadata_array_init(array);
+}
+
+void CoreCodegen::grpc_metadata_array_destroy(grpc_metadata_array* array) {
+  ::grpc_metadata_array_destroy(array);
+}
+
+gpr_timespec CoreCodegen::gpr_inf_future(gpr_clock_type type) {
+  return ::gpr_inf_future(type);
+}
+
+void CoreCodegen::assert_fail(const char* failed_assertion) {
+  gpr_log(GPR_ERROR, "assertion failed: %s", failed_assertion);
+  abort();
+}
+
+Status CoreCodegen::SerializeProto(const grpc::protobuf::Message& msg,
+                                   grpc_byte_buffer** bp) {
   GPR_TIMER_SCOPE("SerializeProto", 0);
   int byte_size = msg.ByteSize();
-  if (byte_size <= kMaxBufferLength) {
+  if (byte_size <= kGrpcBufferWriterMaxBufferLength) {
     gpr_slice slice = gpr_slice_malloc(byte_size);
     GPR_ASSERT(GPR_SLICE_END_PTR(slice) ==
                msg.SerializeWithCachedSizesToArray(GPR_SLICE_START_PTR(slice)));
@@ -176,31 +221,36 @@ Status SerializeProto(const grpc::protobuf::Message& msg,
     gpr_slice_unref(slice);
     return Status::OK;
   } else {
-    GrpcBufferWriter writer(bp);
+    GrpcBufferWriter writer(bp, kGrpcBufferWriterMaxBufferLength);
     return msg.SerializeToZeroCopyStream(&writer)
                ? Status::OK
                : Status(StatusCode::INTERNAL, "Failed to serialize message");
   }
 }
 
-Status DeserializeProto(grpc_byte_buffer* buffer, grpc::protobuf::Message* msg,
-                        int max_message_size) {
+Status CoreCodegen::DeserializeProto(grpc_byte_buffer* buffer,
+                                     grpc::protobuf::Message* msg,
+                                     int max_message_size) {
   GPR_TIMER_SCOPE("DeserializeProto", 0);
-  if (!buffer) {
+  if (buffer == nullptr) {
     return Status(StatusCode::INTERNAL, "No payload");
   }
-  GrpcBufferReader reader(buffer);
-  ::grpc::protobuf::io::CodedInputStream decoder(&reader);
-  if (max_message_size > 0) {
-    decoder.SetTotalBytesLimit(max_message_size, max_message_size);
-  }
-  if (!msg->ParseFromCodedStream(&decoder)) {
-    return Status(StatusCode::INTERNAL, msg->InitializationErrorString());
-  }
-  if (!decoder.ConsumedEntireMessage()) {
-    return Status(StatusCode::INTERNAL, "Did not read entire message");
+  Status result = Status::OK;
+  {
+    GrpcBufferReader reader(buffer);
+    ::grpc::protobuf::io::CodedInputStream decoder(&reader);
+    if (max_message_size > 0) {
+      decoder.SetTotalBytesLimit(max_message_size, max_message_size);
+    }
+    if (!msg->ParseFromCodedStream(&decoder)) {
+      result = Status(StatusCode::INTERNAL, msg->InitializationErrorString());
+    }
+    if (!decoder.ConsumedEntireMessage()) {
+      result = Status(StatusCode::INTERNAL, "Did not read entire message");
+    }
   }
-  return Status::OK;
+  grpc_byte_buffer_destroy(buffer);
+  return result;
 }
 
 }  // namespace grpc
diff --git a/src/cpp/common/core_codegen.h b/src/cpp/common/core_codegen.h
new file mode 100644
index 0000000000..e15cb4c34a
--- /dev/null
+++ b/src/cpp/common/core_codegen.h
@@ -0,0 +1,71 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+// This file should be compiled as part of grpc++.
+
+#include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc/byte_buffer.h>
+#include <grpc/impl/codegen/grpc_types.h>
+
+namespace grpc {
+
+/// Implementation of the core codegen interface.
+class CoreCodegen : public CoreCodegenInterface {
+ private:
+  Status SerializeProto(const grpc::protobuf::Message& msg,
+                        grpc_byte_buffer** bp) override;
+
+  Status DeserializeProto(grpc_byte_buffer* buffer,
+                          grpc::protobuf::Message* msg,
+                          int max_message_size) override;
+
+  grpc_completion_queue* grpc_completion_queue_create(void* reserved) override;
+  void grpc_completion_queue_destroy(grpc_completion_queue* cq) override;
+  grpc_event grpc_completion_queue_pluck(grpc_completion_queue* cq, void* tag,
+                                         gpr_timespec deadline,
+                                         void* reserved) override;
+
+  void* gpr_malloc(size_t size) override;
+  void gpr_free(void* p) override;
+
+  void grpc_byte_buffer_destroy(grpc_byte_buffer* bb) override;
+
+  void grpc_metadata_array_init(grpc_metadata_array* array) override;
+  void grpc_metadata_array_destroy(grpc_metadata_array* array) override;
+
+  gpr_timespec gpr_inf_future(gpr_clock_type type) override;
+
+  void assert_fail(const char* failed_assertion) override;
+};
+
+}  // namespace grpc
diff --git a/src/cpp/common/create_auth_context.h b/src/cpp/common/create_auth_context.h
index 4f3da397ba..387407bfec 100644
--- a/src/cpp/common/create_auth_context.h
+++ b/src/cpp/common/create_auth_context.h
@@ -32,8 +32,8 @@
  */
 #include <memory>
 
-#include <grpc/grpc.h>
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc.h>
 
 namespace grpc {
 
diff --git a/src/cpp/common/insecure_create_auth_context.cc b/src/cpp/common/insecure_create_auth_context.cc
index b2e153229a..258f02c2ad 100644
--- a/src/cpp/common/insecure_create_auth_context.cc
+++ b/src/cpp/common/insecure_create_auth_context.cc
@@ -32,8 +32,8 @@
  */
 #include <memory>
 
-#include <grpc/grpc.h>
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc.h>
 
 namespace grpc {
 
diff --git a/src/cpp/common/secure_channel_arguments.cc b/src/cpp/common/secure_channel_arguments.cc
index e17d3b58b0..81ec251b92 100644
--- a/src/cpp/common/secure_channel_arguments.cc
+++ b/src/cpp/common/secure_channel_arguments.cc
@@ -34,7 +34,7 @@
 #include <grpc++/support/channel_arguments.h>
 
 #include <grpc/grpc_security.h>
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 namespace grpc {
 
diff --git a/src/cpp/common/secure_create_auth_context.cc b/src/cpp/common/secure_create_auth_context.cc
index 40bc298b64..51ddea46a3 100644
--- a/src/cpp/common/secure_create_auth_context.cc
+++ b/src/cpp/common/secure_create_auth_context.cc
@@ -32,9 +32,9 @@
  */
 #include <memory>
 
+#include <grpc++/security/auth_context.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
-#include <grpc++/security/auth_context.h>
 #include "src/cpp/common/secure_auth_context.h"
 
 namespace grpc {
diff --git a/src/cpp/server/server.cc b/src/cpp/server/server.cc
index 0d31140924..fafe31e84c 100644
--- a/src/cpp/server/server.cc
+++ b/src/cpp/server/server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "src/cpp/server/thread_pool_interface.h"
 
 namespace grpc {
@@ -264,6 +264,7 @@ class Server::SyncRequest GRPC_FINAL : public CompletionQueueTag {
   void* const tag_;
   bool in_flight_;
   const bool has_request_payload_;
+  uint32_t incoming_flags_;
   grpc_call* call_;
   grpc_call_details* call_details_;
   gpr_timespec deadline_;
@@ -272,27 +273,25 @@ class Server::SyncRequest GRPC_FINAL : public CompletionQueueTag {
   grpc_completion_queue* cq_;
 };
 
-static grpc_server* CreateServer(const ChannelArguments& args) {
-  grpc_channel_args channel_args;
-  args.SetChannelArgs(&channel_args);
-  return grpc_server_create(&channel_args, nullptr);
-}
-
 static internal::GrpcLibraryInitializer g_gli_initializer;
 Server::Server(ThreadPoolInterface* thread_pool, bool thread_pool_owned,
-               int max_message_size, const ChannelArguments& args)
+               int max_message_size, ChannelArguments* args)
     : max_message_size_(max_message_size),
       started_(false),
       shutdown_(false),
       num_running_cb_(0),
       sync_methods_(new std::list<SyncRequest>),
       has_generic_service_(false),
-      server_(CreateServer(args)),
+      server_(nullptr),
       thread_pool_(thread_pool),
       thread_pool_owned_(thread_pool_owned) {
   g_gli_initializer.summon();
   gpr_once_init(&g_once_init_callbacks, InitGlobalCallbacks);
   global_callbacks_ = g_callbacks;
+  global_callbacks_->UpdateArguments(args);
+  grpc_channel_args channel_args;
+  args->SetChannelArgs(&channel_args);
+  server_ = grpc_server_create(&channel_args, nullptr);
   grpc_server_register_completion_queue(server_, cq_.cq(), nullptr);
 }
 
@@ -322,6 +321,19 @@ void Server::SetGlobalCallbacks(GlobalCallbacks* callbacks) {
   g_callbacks.reset(callbacks);
 }
 
+static grpc_server_register_method_payload_handling PayloadHandlingForMethod(
+    RpcServiceMethod* method) {
+  switch (method->method_type()) {
+    case RpcMethod::NORMAL_RPC:
+    case RpcMethod::SERVER_STREAMING:
+      return GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER;
+    case RpcMethod::CLIENT_STREAMING:
+    case RpcMethod::BIDI_STREAMING:
+      return GRPC_SRM_PAYLOAD_NONE;
+  }
+  GPR_UNREACHABLE_CODE(return GRPC_SRM_PAYLOAD_NONE;);
+}
+
 bool Server::RegisterService(const grpc::string* host, Service* service) {
   bool has_async_methods = service->has_async_methods();
   if (has_async_methods) {
@@ -335,8 +347,9 @@ bool Server::RegisterService(const grpc::string* host, Service* service) {
       continue;
     }
     RpcServiceMethod* method = it->get();
-    void* tag = grpc_server_register_method(server_, method->name(),
-                                            host ? host->c_str() : nullptr);
+    void* tag = grpc_server_register_method(
+        server_, method->name(), host ? host->c_str() : nullptr,
+        PayloadHandlingForMethod(method), 0);
     if (tag == nullptr) {
       gpr_log(GPR_DEBUG, "Attempt to register %s multiple times",
               method->name());
diff --git a/src/cpp/server/server_builder.cc b/src/cpp/server/server_builder.cc
index c54cf6474f..68cc38258c 100644
--- a/src/cpp/server/server_builder.cc
+++ b/src/cpp/server/server_builder.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
 
 #include <grpc++/server_builder.h>
 
-#include <grpc/support/cpu.h>
-#include <grpc/support/log.h>
 #include <grpc++/impl/service_type.h>
 #include <grpc++/server.h>
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
 #include "src/cpp/server/thread_pool_interface.h"
 
 namespace grpc {
@@ -103,7 +103,7 @@ std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
   args.SetInt(GRPC_COMPRESSION_ALGORITHM_STATE_ARG,
               compression_options_.enabled_algorithms_bitset);
   std::unique_ptr<Server> server(
-      new Server(thread_pool.release(), true, max_message_size_, args));
+      new Server(thread_pool.release(), true, max_message_size_, &args));
   for (auto cq = cqs_.begin(); cq != cqs_.end(); ++cq) {
     grpc_server_register_completion_queue(server->server_, (*cq)->cq(),
                                           nullptr);
diff --git a/src/cpp/server/server_context.cc b/src/cpp/server/server_context.cc
index e205a1969b..e05a7df28a 100644
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/compress_filter.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/surface/call.h"
 #include "src/cpp/common/create_auth_context.h"
 
 namespace grpc {
@@ -62,7 +63,11 @@ class ServerContext::CompletionOp GRPC_FINAL : public CallOpSetInterface {
   void FillOps(grpc_op* ops, size_t* nops) GRPC_OVERRIDE;
   bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE;
 
-  bool CheckCancelled(CompletionQueue* cq);
+  bool CheckCancelled(CompletionQueue* cq) {
+    cq->TryPluck(this);
+    return CheckCancelledNoPluck();
+  }
+  bool CheckCancelledAsync() { return CheckCancelledNoPluck(); }
 
   void set_tag(void* tag) {
     has_tag_ = true;
@@ -72,6 +77,11 @@ class ServerContext::CompletionOp GRPC_FINAL : public CallOpSetInterface {
   void Unref();
 
  private:
+  bool CheckCancelledNoPluck() {
+    grpc::lock_guard<grpc::mutex> g(mu_);
+    return finalized_ ? (cancelled_ != 0) : false;
+  }
+
   bool has_tag_;
   void* tag_;
   grpc::mutex mu_;
@@ -88,12 +98,6 @@ void ServerContext::CompletionOp::Unref() {
   }
 }
 
-bool ServerContext::CompletionOp::CheckCancelled(CompletionQueue* cq) {
-  cq->TryPluck(this);
-  grpc::lock_guard<grpc::mutex> g(mu_);
-  return finalized_ ? cancelled_ != 0 : false;
-}
-
 void ServerContext::CompletionOp::FillOps(grpc_op* ops, size_t* nops) {
   ops->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   ops->data.recv_close_on_server.cancelled = &cancelled_;
@@ -182,12 +186,19 @@ void ServerContext::TryCancel() const {
 }
 
 bool ServerContext::IsCancelled() const {
-  return completion_op_ && completion_op_->CheckCancelled(cq_);
+  if (has_notify_when_done_tag_) {
+    // when using async API, but the result is only valid
+    // if the tag has already been delivered at the completion queue
+    return completion_op_ && completion_op_->CheckCancelledAsync();
+  } else {
+    // when using sync API
+    return completion_op_ && completion_op_->CheckCancelled(cq_);
+  }
 }
 
 void ServerContext::set_compression_level(grpc_compression_level level) {
   const grpc_compression_algorithm algorithm_for_level =
-      grpc_compression_algorithm_for_level(level);
+      grpc_call_compression_for_level(call_, level);
   set_compression_algorithm(algorithm_for_level);
 }
 
diff --git a/src/cpp/util/byte_buffer.cc b/src/cpp/util/byte_buffer.cc
index 3a2318d1a6..c0a14de418 100644
--- a/src/cpp/util/byte_buffer.cc
+++ b/src/cpp/util/byte_buffer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/util/string_ref.cc b/src/cpp/util/string_ref.cc
index 66c79a1818..a16601de5d 100644
--- a/src/cpp/util/string_ref.cc
+++ b/src/cpp/util/string_ref.cc
@@ -33,72 +33,8 @@
 
 #include <grpc++/support/string_ref.h>
 
-#include <string.h>
-
-#include <algorithm>
-#include <iostream>
-
 namespace grpc {
 
 const size_t string_ref::npos = size_t(-1);
 
-string_ref& string_ref::operator=(const string_ref& rhs) {
-  data_ = rhs.data_;
-  length_ = rhs.length_;
-  return *this;
-}
-
-string_ref::string_ref(const char* s) : data_(s), length_(strlen(s)) {}
-
-string_ref string_ref::substr(size_t pos, size_t n) const {
-  if (pos > length_) pos = length_;
-  if (n > (length_ - pos)) n = length_ - pos;
-  return string_ref(data_ + pos, n);
-}
-
-int string_ref::compare(string_ref x) const {
-  size_t min_size = length_ < x.length_ ? length_ : x.length_;
-  int r = memcmp(data_, x.data_, min_size);
-  if (r < 0) return -1;
-  if (r > 0) return 1;
-  if (length_ < x.length_) return -1;
-  if (length_ > x.length_) return 1;
-  return 0;
-}
-
-bool string_ref::starts_with(string_ref x) const {
-  return length_ >= x.length_ && (memcmp(data_, x.data_, x.length_) == 0);
-}
-
-bool string_ref::ends_with(string_ref x) const {
-  return length_ >= x.length_ &&
-         (memcmp(data_ + (length_ - x.length_), x.data_, x.length_) == 0);
-}
-
-size_t string_ref::find(string_ref s) const {
-  auto it = std::search(cbegin(), cend(), s.cbegin(), s.cend());
-  return it == cend() ? npos : std::distance(cbegin(), it);
-}
-
-size_t string_ref::find(char c) const {
-  auto it = std::find(cbegin(), cend(), c);
-  return it == cend() ? npos : std::distance(cbegin(), it);
-}
-
-bool operator==(string_ref x, string_ref y) { return x.compare(y) == 0; }
-
-bool operator!=(string_ref x, string_ref y) { return x.compare(y) != 0; }
-
-bool operator<(string_ref x, string_ref y) { return x.compare(y) < 0; }
-
-bool operator<=(string_ref x, string_ref y) { return x.compare(y) <= 0; }
-
-bool operator>(string_ref x, string_ref y) { return x.compare(y) > 0; }
-
-bool operator>=(string_ref x, string_ref y) { return x.compare(y) >= 0; }
-
-std::ostream& operator<<(std::ostream& out, const string_ref& string) {
-  return out << grpc::string(string.begin(), string.end());
-}
-
 }  // namespace grpc
diff --git a/src/cpp/util/time.cc b/src/cpp/util/time.cc
index 2685e31ee6..c43d848cc6 100644
--- a/src/cpp/util/time.cc
+++ b/src/cpp/util/time.cc
@@ -35,8 +35,8 @@
 
 #ifndef GRPC_CXX0X_NO_CHRONO
 
-#include <grpc/support/time.h>
 #include <grpc++/support/time.h>
+#include <grpc/support/time.h>
 
 using std::chrono::duration_cast;
 using std::chrono::nanoseconds;
diff --git a/src/csharp/.nuget/packages.config b/src/csharp/.nuget/packages.config
index 89a310ac56..6154b3561f 100644
--- a/src/csharp/.nuget/packages.config
+++ b/src/csharp/.nuget/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit.Runners" version="2.6.4" />
-  <package id="OpenCover" version="4.6.166" />
-  <package id="ReportGenerator" version="2.3.2.0" />
+  <package id="NUnit.ConsoleRunner" version="3.2.0" />
+  <package id="OpenCover" version="4.6.519" />
+  <package id="ReportGenerator" version="2.4.4.0" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
index f77e9c6573..96d6ee87ae 100644
--- a/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
+++ b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
@@ -71,7 +71,7 @@ namespace Grpc.Auth
         /// <returns>The interceptor.</returns>
         public static AsyncAuthInterceptor FromAccessToken(string accessToken)
         {
-            Preconditions.CheckNotNull(accessToken);
+            GrpcPreconditions.CheckNotNull(accessToken);
             return new AsyncAuthInterceptor(async (context, metadata) =>
             {
                 metadata.Add(CreateBearerTokenHeader(accessToken));
diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.csproj b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
index 8dd12b50ef..3acea7d2f8 100644
--- a/src/csharp/Grpc.Auth/Grpc.Auth.csproj
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.Auth</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <DocumentationFile>bin\$(Configuration)\Grpc.Auth.Xml</DocumentationFile>
-    <NuGetPackageImportStamp>4f8487a9</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>455903a2</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -39,43 +39,30 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="BouncyCastle.Crypto, Version=1.7.4137.9688, Culture=neutral, PublicKeyToken=a4292a325f69b123, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.WebRequest" />
-    <Reference Include="BouncyCastle.Crypto">
-      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
-    </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -93,15 +80,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="Grpc.Auth.nuspec" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.nuspec b/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
index f1f8f7c709..4baed3704c 100644
--- a/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
@@ -15,7 +15,7 @@
     <copyright>Copyright 2015, Google Inc.</copyright>
     <tags>gRPC RPC Protocol HTTP/2 Auth OAuth2</tags>
 	<dependencies>
-	  <dependency id="Google.Apis.Auth" version="1.9.3" />
+	  <dependency id="Google.Apis.Auth" version="1.11.1" />
 	  <dependency id="Grpc.Core" version="$version$" />
     </dependencies>
   </metadata>
diff --git a/src/csharp/Grpc.Auth/app.config b/src/csharp/Grpc.Auth/app.config
deleted file mode 100644
index 84d7534d65..0000000000
--- a/src/csharp/Grpc.Auth/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/packages.config b/src/csharp/Grpc.Auth/packages.config
index 5fe8ca616c..c20d9ceed6 100644
--- a/src/csharp/Grpc.Auth/packages.config
+++ b/src/csharp/Grpc.Auth/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core.Tests/ChannelTest.cs b/src/csharp/Grpc.Core.Tests/ChannelTest.cs
index ed0ec14df5..6330f50fae 100644
--- a/src/csharp/Grpc.Core.Tests/ChannelTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ChannelTest.cs
@@ -70,7 +70,7 @@ namespace Grpc.Core.Tests
         public void WaitForStateChangedAsync_InvalidArgument()
         {
             var channel = new Channel("localhost", ChannelCredentials.Insecure);
-            Assert.Throws(typeof(ArgumentException), () => channel.WaitForStateChangedAsync(ChannelState.FatalFailure));
+            Assert.ThrowsAsync(typeof(ArgumentException), async () => await channel.WaitForStateChangedAsync(ChannelState.FatalFailure));
             channel.ShutdownAsync().Wait();
         }
 
@@ -87,7 +87,7 @@ namespace Grpc.Core.Tests
         {
             var channel = new Channel("localhost", ChannelCredentials.Insecure);
             channel.ShutdownAsync().Wait();
-            Assert.Throws(typeof(InvalidOperationException), () => channel.ShutdownAsync().GetAwaiter().GetResult());
+            Assert.ThrowsAsync(typeof(InvalidOperationException), async () => await channel.ShutdownAsync());
         }
     }
 }
diff --git a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
index 77f6a63156..6c13a4fa48 100644
--- a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
@@ -93,7 +93,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unknown, ex.Status.StatusCode); 
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unknown, ex2.Status.StatusCode);
         }
 
@@ -108,7 +108,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex.Status.StatusCode);
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex2.Status.StatusCode);
         }
 
@@ -124,7 +124,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex.Status.StatusCode);
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex2.Status.StatusCode);
         }
 
@@ -204,7 +204,7 @@ namespace Grpc.Core.Tests
             await barrier.Task;  // make sure the handler has started.
             cts.Cancel();
 
-            var ex = Assert.Throws<RpcException>(async () => await call.ResponseAsync);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
             Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
         }
 
@@ -290,7 +290,7 @@ namespace Grpc.Core.Tests
                 return request;
             });
 
-            Assert.Throws(typeof(TaskCanceledException), 
+            Assert.ThrowsAsync(typeof(TaskCanceledException), 
                 async () => await channel.WaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(10)));
 
             var stateChangedTask = channel.WaitForStateChangedAsync(channel.State);
diff --git a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
index 90c510ec61..cec8c7ce6b 100644
--- a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
@@ -105,7 +105,7 @@ namespace Grpc.Core.Tests
             var parentCall = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall(new CallOptions(cancellationToken: cts.Token)));
             await readyToCancelTcs.Task;
             cts.Cancel();
-            Assert.Throws(typeof(RpcException), async () => await parentCall);
+            Assert.ThrowsAsync(typeof(RpcException), async () => await parentCall);
             Assert.AreEqual("CHILD_CALL_CANCELLED", await successTcs.Task);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj b/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
index 7e73c4f181..0cd059c232 100644
--- a/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
+++ b/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
@@ -4,7 +4,7 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{86EC5CB4-4EA2-40A2-8057-86542A0353BB}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.Core.Tests</RootNamespace>
     <AssemblyName>Grpc.Core.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
@@ -35,29 +35,18 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.core">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.dll</HintPath>
-      <Private>False</Private>
-    </Reference>
-    <Reference Include="nunit.core.interfaces">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.interfaces.dll</HintPath>
-      <Private>False</Private>
-    </Reference>
+    <Reference Include="System" />
     <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.util">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.util.dll</HintPath>
-      <Private>False</Private>
+    <Reference Include="System.Interactive.Async">
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
-    <Reference Include="NUnit.VisualStudio.TestAdapter">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\NUnit.VisualStudio.TestAdapter.dll</HintPath>
-      <Private>False</Private>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
     </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -93,6 +82,8 @@
     <Compile Include="MetadataTest.cs" />
     <Compile Include="PerformanceTest.cs" />
     <Compile Include="SanityTest.cs" />
+    <Compile Include="HalfcloseTest.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
index fac93fcc5c..ab12c120cb 100644
--- a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
+++ b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs b/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs
new file mode 100644
index 0000000000..b4cb451d94
--- /dev/null
+++ b/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs
@@ -0,0 +1,97 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+using NUnit.Framework;
+
+namespace Grpc.Core.Tests
+{
+    public class HalfcloseTest
+    {
+        MockServiceHelper helper;
+        Server server;
+        Channel channel;
+
+        [SetUp]
+        public void Init()
+        {
+            helper = new MockServiceHelper();
+
+            server = helper.GetServer();
+            server.Start();
+            channel = helper.GetChannel();
+        }
+
+        [TearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+
+        /// <summary>
+        /// For client streaming and duplex streaming calls, if server does a full close
+        /// before we halfclose the request stream, an attempt to halfclose
+        /// (complete the request stream) shouldn't be treated as an error.
+        /// </summary>
+        [Test]
+        public async Task HalfcloseAfterFullclose_ClientStreamingCall()
+        {
+            helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
+            {
+                return "PASS";
+            });
+
+            var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall());
+            // make sure server has fullclosed on us
+            Assert.AreEqual("PASS", await call.ResponseAsync);
+
+            // sending close from client should be still fine because server can finish
+            // the call anytime and we cannot do anything about it on the client side.
+            await call.RequestStream.CompleteAsync();
+
+            // Second attempt to close from client is not allowed.
+            Assert.ThrowsAsync(typeof(InvalidOperationException), async () => await call.RequestStream.CompleteAsync());
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
index d5a1eeb0fb..60530d3250 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -84,7 +84,7 @@ namespace Grpc.Core.Internal.Tests
 
             Assert.AreEqual(StatusCode.Internal, asyncCall.GetStatus().StatusCode);
             Assert.IsNull(asyncCall.GetTrailers());
-            var ex = Assert.Throws<RpcException>(() => resultTask.GetAwaiter().GetResult());
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await resultTask);
             Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
index 37fb36946a..0663e77d1e 100644
--- a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
+++ b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
@@ -112,7 +112,7 @@ namespace Grpc.Core.Tests
             });
 
             var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "REQUEST");
-            var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
             Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
         }
 
@@ -134,7 +134,7 @@ namespace Grpc.Core.Tests
         {
             helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
             {
-                Assert.Throws<IOException>(async () => await requestStream.MoveNext());
+                Assert.ThrowsAsync<IOException>(async () => await requestStream.MoveNext());
                 return "RESPONSE";
             });
 
@@ -153,7 +153,7 @@ namespace Grpc.Core.Tests
         [Test]
         public void RequestSerializationError_AsyncUnary()
         {
-            Assert.Throws<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE"));
+            Assert.ThrowsAsync<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE"));
         }
 
         [Test]
@@ -166,7 +166,7 @@ namespace Grpc.Core.Tests
             });
             var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall());
             await call.RequestStream.WriteAsync("A");
-            Assert.Throws<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE"));
+            Assert.ThrowsAsync<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE"));
             await call.RequestStream.WriteAsync("B");
             await call.RequestStream.CompleteAsync();
 
diff --git a/src/csharp/Grpc.Core.Tests/NUnitMain.cs b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
new file mode 100644
index 0000000000..9c1d7bf3c8
--- /dev/null
+++ b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.Core.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core.Tests/PInvokeTest.cs b/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
index da0ea2e6dc..d2b2fc6a66 100644
--- a/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
+++ b/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -74,6 +74,8 @@ namespace Grpc.Core.Tests
         /// (~110ns .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NativeCallbackBenchmark()
         {
             OpCompletionDelegate handler = Handler;
@@ -95,6 +97,8 @@ namespace Grpc.Core.Tests
         /// (~1.1us on .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NewNativeCallbackBenchmark()
         {
             counter = 0;
@@ -112,6 +116,8 @@ namespace Grpc.Core.Tests
         /// (~46ns .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NopPInvokeBenchmark()
         {
             BenchmarkUtil.RunBenchmark(
diff --git a/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs b/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
index a1648f3671..772beadd4a 100644
--- a/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
@@ -155,7 +155,7 @@ namespace Grpc.Core.Tests
         {
             helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
             {
-                Assert.Throws(typeof(ArgumentNullException), async () => await context.WriteResponseHeadersAsync(null));
+                Assert.ThrowsAsync(typeof(ArgumentNullException), async () => await context.WriteResponseHeadersAsync(null));
                 return "PASS";
             });
 
diff --git a/src/csharp/Grpc.Core.Tests/SanityTest.cs b/src/csharp/Grpc.Core.Tests/SanityTest.cs
index 343ab1e85a..3830f0cbac 100644
--- a/src/csharp/Grpc.Core.Tests/SanityTest.cs
+++ b/src/csharp/Grpc.Core.Tests/SanityTest.cs
@@ -38,6 +38,7 @@ using System.Reflection;
 using Grpc.Core;
 using Grpc.Core.Internal;
 using Grpc.Core.Utils;
+using Newtonsoft.Json;
 using NUnit.Framework;
 
 namespace Grpc.Core.Tests
@@ -55,27 +56,23 @@ namespace Grpc.Core.Tests
         [Test]
         public void TestsJsonUpToDate()
         {
-            var testClasses = DiscoverAllTestClasses();
-            string testsJson = GetTestsJson();
+            var discoveredTests = DiscoverAllTestClasses();
+            string discoveredTestsJson = JsonConvert.SerializeObject(discoveredTests, Formatting.Indented);
 
-            // we don't have a JSON parser at hand, but check that the test class
-            // name is contained in the file instead.
-            foreach (var className in testClasses) {
-                Assert.IsTrue(testsJson.Contains(className),
-                    string.Format("Test class \"{0}\" is missing in C# tests.json file", className));
-            }
+            Assert.AreEqual(discoveredTestsJson, ReadTestsJson());
         }
 
         /// <summary>
         /// Gets list of all test classes obtained by inspecting all the test assemblies.
         /// </summary>
-        private List<string> DiscoverAllTestClasses()
+        private Dictionary<string, List<string>> DiscoverAllTestClasses()
         {
             var assemblies = GetTestAssemblies();
 
-            var testClasses = new List<string>();
+            var testsByAssembly = new Dictionary<string, List<string>>();
             foreach (var assembly in assemblies)
             {
+                var testClasses = new List<string>();
                 foreach (var t in assembly.GetTypes())
                 {
                     foreach (var m in t.GetMethods())
@@ -89,16 +86,19 @@ namespace Grpc.Core.Tests
 
                     }
                 }
+                testClasses.Sort();
+                testsByAssembly.Add(assembly.GetName().Name, testClasses);
             }
-            testClasses.Sort();
-            return testClasses;
+            return testsByAssembly;
         }
 
-        private string GetTestsJson()
+        /// <summary>
+        /// Reads contents of tests.json file.
+        /// </summary>
+        private string ReadTestsJson()
         {
             var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
             var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "tests.json");
-
             return File.ReadAllText(testsJsonFile);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/packages.config b/src/csharp/Grpc.Core.Tests/packages.config
index 610831dfe1..aa7d951fdc 100644
--- a/src/csharp/Grpc.Core.Tests/packages.config
+++ b/src/csharp/Grpc.Core.Tests/packages.config
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
-  <package id="NUnitTestAdapter" version="2.0.0" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs b/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
index 5c9ab04812..1ad2290928 100644
--- a/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
+++ b/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
@@ -61,8 +61,8 @@ namespace Grpc.Core
         /// </summary>
         public AuthInterceptorContext(string serviceUrl, string methodName)
         {
-            this.serviceUrl = Preconditions.CheckNotNull(serviceUrl);
-            this.methodName = Preconditions.CheckNotNull(methodName);
+            this.serviceUrl = GrpcPreconditions.CheckNotNull(serviceUrl);
+            this.methodName = GrpcPreconditions.CheckNotNull(methodName);
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.Core/CallCredentials.cs b/src/csharp/Grpc.Core/CallCredentials.cs
index a71c8904fe..7476b0ca16 100644
--- a/src/csharp/Grpc.Core/CallCredentials.cs
+++ b/src/csharp/Grpc.Core/CallCredentials.cs
@@ -87,7 +87,7 @@ namespace Grpc.Core
         /// <param name="interceptor">authentication interceptor</param>
         public MetadataCredentials(AsyncAuthInterceptor interceptor)
         {
-            this.interceptor = Preconditions.CheckNotNull(interceptor);
+            this.interceptor = GrpcPreconditions.CheckNotNull(interceptor);
         }
 
         internal override CallCredentialsSafeHandle ToNativeCredentials()
@@ -111,7 +111,7 @@ namespace Grpc.Core
         /// <param name="credentials">credentials to compose</param>
         public CompositeCallCredentials(params CallCredentials[] credentials)
         {
-            Preconditions.CheckArgument(credentials.Length >= 2, "Composite credentials object can only be created from 2 or more credentials.");
+            GrpcPreconditions.CheckArgument(credentials.Length >= 2, "Composite credentials object can only be created from 2 or more credentials.");
             this.credentials = new List<CallCredentials>(credentials);
         }
 
diff --git a/src/csharp/Grpc.Core/CallInvocationDetails.cs b/src/csharp/Grpc.Core/CallInvocationDetails.cs
index 8228b8f317..98db854614 100644
--- a/src/csharp/Grpc.Core/CallInvocationDetails.cs
+++ b/src/csharp/Grpc.Core/CallInvocationDetails.cs
@@ -85,11 +85,11 @@ namespace Grpc.Core
         /// <param name="options">Call options.</param>
         public CallInvocationDetails(Channel channel, string method, string host, Marshaller<TRequest> requestMarshaller, Marshaller<TResponse> responseMarshaller, CallOptions options)
         {
-            this.channel = Preconditions.CheckNotNull(channel, "channel");
-            this.method = Preconditions.CheckNotNull(method, "method");
+            this.channel = GrpcPreconditions.CheckNotNull(channel, "channel");
+            this.method = GrpcPreconditions.CheckNotNull(method, "method");
             this.host = host;
-            this.requestMarshaller = Preconditions.CheckNotNull(requestMarshaller, "requestMarshaller");
-            this.responseMarshaller = Preconditions.CheckNotNull(responseMarshaller, "responseMarshaller");
+            this.requestMarshaller = GrpcPreconditions.CheckNotNull(requestMarshaller, "requestMarshaller");
+            this.responseMarshaller = GrpcPreconditions.CheckNotNull(responseMarshaller, "responseMarshaller");
             this.options = options;
         }
 
diff --git a/src/csharp/Grpc.Core/CallInvoker.cs b/src/csharp/Grpc.Core/CallInvoker.cs
new file mode 100644
index 0000000000..39199b1fd5
--- /dev/null
+++ b/src/csharp/Grpc.Core/CallInvoker.cs
@@ -0,0 +1,84 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Abstraction of client-side RPC invocation.
+    /// </summary>
+    /// <seealso cref="Calls"/>
+    public abstract class CallInvoker
+    {
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public abstract TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public abstract AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public abstract AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public abstract AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public abstract AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+    }
+}
diff --git a/src/csharp/Grpc.Core/CallOptions.cs b/src/csharp/Grpc.Core/CallOptions.cs
index 1fda80cb90..caf8210d91 100644
--- a/src/csharp/Grpc.Core/CallOptions.cs
+++ b/src/csharp/Grpc.Core/CallOptions.cs
@@ -176,13 +176,13 @@ namespace Grpc.Core
             {
                 if (propagationToken.Options.IsPropagateDeadline)
                 {
-                    Preconditions.CheckArgument(!newOptions.deadline.HasValue,
+                    GrpcPreconditions.CheckArgument(!newOptions.deadline.HasValue,
                         "Cannot propagate deadline from parent call. The deadline has already been set explicitly.");
                     newOptions.deadline = propagationToken.ParentDeadline;
                 }
                 if (propagationToken.Options.IsPropagateCancellation)
                 {
-                    Preconditions.CheckArgument(!newOptions.cancellationToken.CanBeCanceled,
+                    GrpcPreconditions.CheckArgument(!newOptions.cancellationToken.CanBeCanceled,
                         "Cannot propagate cancellation token from parent call. The cancellation token has already been set to a non-default value.");
                     newOptions.cancellationToken = propagationToken.ParentCancellationToken;
                 }
diff --git a/src/csharp/Grpc.Core/Channel.cs b/src/csharp/Grpc.Core/Channel.cs
index d8d43c7998..89981b1849 100644
--- a/src/csharp/Grpc.Core/Channel.cs
+++ b/src/csharp/Grpc.Core/Channel.cs
@@ -68,7 +68,7 @@ namespace Grpc.Core
         /// <param name="options">Channel options.</param>
         public Channel(string target, ChannelCredentials credentials, IEnumerable<ChannelOption> options = null)
         {
-            this.target = Preconditions.CheckNotNull(target, "target");
+            this.target = GrpcPreconditions.CheckNotNull(target, "target");
             this.options = CreateOptionsDictionary(options);
             EnsureUserAgentChannelOption(this.options);
             this.environment = GrpcEnvironment.AddRef();
@@ -117,7 +117,7 @@ namespace Grpc.Core
         /// </summary>
         public Task WaitForStateChangedAsync(ChannelState lastObservedState, DateTime? deadline = null)
         {
-            Preconditions.CheckArgument(lastObservedState != ChannelState.FatalFailure,
+            GrpcPreconditions.CheckArgument(lastObservedState != ChannelState.FatalFailure,
                 "FatalFailure is a terminal state. No further state changes can occur.");
             var tcs = new TaskCompletionSource<object>();
             var deadlineTimespec = deadline.HasValue ? Timespec.FromDateTime(deadline.Value) : Timespec.InfFuture;
@@ -184,7 +184,7 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!shutdownRequested);
+                GrpcPreconditions.CheckState(!shutdownRequested);
                 shutdownRequested = true;
             }
 
@@ -221,7 +221,7 @@ namespace Grpc.Core
 
             bool success = false;
             handle.DangerousAddRef(ref success);
-            Preconditions.CheckState(success);
+            GrpcPreconditions.CheckState(success);
         }
 
         internal void RemoveCallReference(object call)
diff --git a/src/csharp/Grpc.Core/ChannelCredentials.cs b/src/csharp/Grpc.Core/ChannelCredentials.cs
index 5d96958e7c..db0cefef8b 100644
--- a/src/csharp/Grpc.Core/ChannelCredentials.cs
+++ b/src/csharp/Grpc.Core/ChannelCredentials.cs
@@ -183,9 +183,9 @@ namespace Grpc.Core
         /// <param name="callCredentials">channelCredentials to compose</param>
         public CompositeChannelCredentials(ChannelCredentials channelCredentials, CallCredentials callCredentials)
         {
-            this.channelCredentials = Preconditions.CheckNotNull(channelCredentials);
-            this.callCredentials = Preconditions.CheckNotNull(callCredentials);
-            Preconditions.CheckArgument(channelCredentials.IsComposable, "Supplied channel credentials do not allow composition.");
+            this.channelCredentials = GrpcPreconditions.CheckNotNull(channelCredentials);
+            this.callCredentials = GrpcPreconditions.CheckNotNull(callCredentials);
+            GrpcPreconditions.CheckArgument(channelCredentials.IsComposable, "Supplied channel credentials do not allow composition.");
         }
 
         internal override ChannelCredentialsSafeHandle ToNativeCredentials()
diff --git a/src/csharp/Grpc.Core/ChannelOptions.cs b/src/csharp/Grpc.Core/ChannelOptions.cs
index d70673cf78..b6eeceabc4 100644
--- a/src/csharp/Grpc.Core/ChannelOptions.cs
+++ b/src/csharp/Grpc.Core/ChannelOptions.cs
@@ -73,8 +73,8 @@ namespace Grpc.Core
         public ChannelOption(string name, string stringValue)
         {
             this.type = OptionType.String;
-            this.name = Preconditions.CheckNotNull(name, "name");
-            this.stringValue = Preconditions.CheckNotNull(stringValue, "stringValue");
+            this.name = GrpcPreconditions.CheckNotNull(name, "name");
+            this.stringValue = GrpcPreconditions.CheckNotNull(stringValue, "stringValue");
         }
 
         /// <summary>
@@ -85,7 +85,7 @@ namespace Grpc.Core
         public ChannelOption(string name, int intValue)
         {
             this.type = OptionType.Integer;
-            this.name = Preconditions.CheckNotNull(name, "name");
+            this.name = GrpcPreconditions.CheckNotNull(name, "name");
             this.intValue = intValue;
         }
 
@@ -118,7 +118,7 @@ namespace Grpc.Core
         {
             get
             {
-                Preconditions.CheckState(type == OptionType.Integer);
+                GrpcPreconditions.CheckState(type == OptionType.Integer);
                 return intValue;
             }
         }
@@ -130,7 +130,7 @@ namespace Grpc.Core
         {
             get
             {
-                Preconditions.CheckState(type == OptionType.String);
+                GrpcPreconditions.CheckState(type == OptionType.String);
                 return stringValue;
             }
         }
diff --git a/src/csharp/Grpc.Core/ClientBase.cs b/src/csharp/Grpc.Core/ClientBase.cs
index e5b398062b..5517233e3c 100644
--- a/src/csharp/Grpc.Core/ClientBase.cs
+++ b/src/csharp/Grpc.Core/ClientBase.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -31,93 +31,156 @@
 
 #endregion
 
-using System;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
 
 namespace Grpc.Core
 {
     /// <summary>
-    /// Interceptor for call headers.
+    /// Generic base class for client-side stubs.
     /// </summary>
-    /// <remarks>Header interceptor is no longer to recommented way to perform authentication.
-    /// For header (initial metadata) based auth such as OAuth2 or JWT access token, use <see cref="MetadataCredentials"/>.
-    /// </remarks>
-    public delegate void HeaderInterceptor(IMethod method, Metadata metadata);
+    public abstract class ClientBase<T> : ClientBase
+        where T : ClientBase<T>
+    {
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : base()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration) : base(configuration)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="channel">The channel to use for remote call invocation.</param>
+        public ClientBase(Channel channel) : base(channel)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : base(callInvoker)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new client that sets host field for calls explicitly.
+        /// gRPC supports multiple "hosts" being served by a single server.
+        /// By default (if a client was not created by calling this method),
+        /// host <c>null</c> with the meaning "use default host" is used.
+        /// </summary>
+        public T WithHost(string host)
+        {
+            var newConfiguration = this.Configuration.WithHost(host);
+            return NewInstance(newConfiguration);
+        }
+
+        /// <summary>
+        /// Creates a new instance of client from given <c>ClientBaseConfiguration</c>.
+        /// </summary>
+        protected abstract T NewInstance(ClientBaseConfiguration configuration);
+    }
 
     /// <summary>
     /// Base class for client-side stubs.
     /// </summary>
     public abstract class ClientBase
     {
-        readonly Channel channel;
+        readonly ClientBaseConfiguration configuration;
+        readonly CallInvoker callInvoker;
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : this(new UnimplementedCallInvoker())
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration)
+        {
+            this.configuration = GrpcPreconditions.CheckNotNull(configuration, "configuration");
+            this.callInvoker = configuration.CreateDecoratedCallInvoker();
+        }
 
         /// <summary>
         /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
         /// <param name="channel">The channel to use for remote call invocation.</param>
-        public ClientBase(Channel channel)
+        public ClientBase(Channel channel) : this(new DefaultCallInvoker(channel))
         {
-            this.channel = channel;
         }
 
         /// <summary>
-        /// Can be used to register a custom header interceptor.
-        /// The interceptor is invoked each time a new call on this client is started.
-        /// It is not recommented to use header interceptor to add auth headers to RPC calls.
+        /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
-        /// <seealso cref="HeaderInterceptor"/>
-        public HeaderInterceptor HeaderInterceptor
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : this(new ClientBaseConfiguration(callInvoker, null))
         {
-            get;
-            set;
         }
 
         /// <summary>
-        /// gRPC supports multiple "hosts" being served by a single server. 
-        /// This property can be used to set the target host explicitly.
-        /// By default, this will be set to <c>null</c> with the meaning
-        /// "use default host".
+        /// Gets the call invoker.
         /// </summary>
-        public string Host
+        protected CallInvoker CallInvoker
         {
-            get;
-            set;
+            get { return this.callInvoker; }
         }
 
         /// <summary>
-        /// Channel associated with this client.
+        /// Gets the configuration.
         /// </summary>
-        public Channel Channel
+        internal ClientBaseConfiguration Configuration
         {
-            get
-            {
-                return this.channel;
-            }
+            get { return this.configuration; }
         }
 
         /// <summary>
-        /// Creates a new call to given method.
+        /// Represents configuration of ClientBase. The class itself is visible to
+        /// subclasses, but contents are marked as internal to make the instances opaque.
+        /// The verbose name of this class was chosen to make name clash in generated code 
+        /// less likely.
         /// </summary>
-        /// <param name="method">The method to invoke.</param>
-        /// <param name="options">The call options.</param>
-        /// <typeparam name="TRequest">Request message type.</typeparam>
-        /// <typeparam name="TResponse">Response message type.</typeparam>
-        /// <returns>The call invocation details.</returns>
-        protected CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, CallOptions options)
-            where TRequest : class
-            where TResponse : class
+        protected internal class ClientBaseConfiguration
         {
-            var interceptor = HeaderInterceptor;
-            if (interceptor != null)
+            readonly CallInvoker undecoratedCallInvoker;
+            readonly string host;
+
+            internal ClientBaseConfiguration(CallInvoker undecoratedCallInvoker, string host)
+            {
+                this.undecoratedCallInvoker = GrpcPreconditions.CheckNotNull(undecoratedCallInvoker);
+                this.host = host;
+            }
+
+            internal CallInvoker CreateDecoratedCallInvoker()
+            {
+                return new InterceptingCallInvoker(undecoratedCallInvoker, hostInterceptor: (h) => host);
+            }
+
+            internal ClientBaseConfiguration WithHost(string host)
             {
-                if (options.Headers == null)
-                {
-                    options = options.WithHeaders(new Metadata());
-                }
-                interceptor(method, options.Headers);
+                GrpcPreconditions.CheckNotNull(host, "host");
+                return new ClientBaseConfiguration(this.undecoratedCallInvoker, host);
             }
-            return new CallInvocationDetails<TRequest, TResponse>(channel, method, Host, options);
         }
     }
 }
diff --git a/src/csharp/Grpc.Core/ContextPropagationToken.cs b/src/csharp/Grpc.Core/ContextPropagationToken.cs
index 1d899b97fd..935498246a 100644
--- a/src/csharp/Grpc.Core/ContextPropagationToken.cs
+++ b/src/csharp/Grpc.Core/ContextPropagationToken.cs
@@ -68,7 +68,7 @@ namespace Grpc.Core
 
         internal ContextPropagationToken(CallSafeHandle parentCall, DateTime deadline, CancellationToken cancellationToken, ContextPropagationOptions options)
         {
-            this.parentCall = Preconditions.CheckNotNull(parentCall);
+            this.parentCall = GrpcPreconditions.CheckNotNull(parentCall);
             this.deadline = deadline;
             this.cancellationToken = cancellationToken;
             this.options = options ?? ContextPropagationOptions.Default;
diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
new file mode 100644
index 0000000000..1a99e41153
--- /dev/null
+++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
@@ -0,0 +1,112 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Invokes client RPCs using <see cref="Calls"/>.
+    /// </summary>
+    public class DefaultCallInvoker : CallInvoker
+    {
+        readonly Channel channel;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.DefaultCallInvoker"/> class.
+        /// </summary>
+        /// <param name="channel">Channel to use.</param>
+        public DefaultCallInvoker(Channel channel)
+        {
+            this.channel = GrpcPreconditions.CheckNotNull(channel);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.BlockingUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncServerStreamingCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncClientStreamingCall(call);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncDuplexStreamingCall(call);
+        }
+
+        protected virtual CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+                where TRequest : class
+                where TResponse : class
+        {
+            return new CallInvocationDetails<TRequest, TResponse>(channel, method, host, options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 8d7d2cae0d..95077a6ca5 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -39,8 +39,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System.Interactive.Async">
       <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
   </ItemGroup>
@@ -59,6 +58,7 @@
     <Compile Include="IServerStreamWriter.cs" />
     <Compile Include="IAsyncStreamWriter.cs" />
     <Compile Include="IAsyncStreamReader.cs" />
+    <Compile Include="Logging\TextWriterLogger.cs" />
     <Compile Include="Logging\NullLogger.cs" />
     <Compile Include="ServerPort.cs" />
     <Compile Include="Version.cs" />
@@ -91,7 +91,6 @@
     <Compile Include="Internal\AsyncCallBase.cs" />
     <Compile Include="Internal\AsyncCallServer.cs" />
     <Compile Include="Internal\AsyncCall.cs" />
-    <Compile Include="Utils\Preconditions.cs" />
     <Compile Include="Internal\ServerCredentialsSafeHandle.cs" />
     <Compile Include="ServerCredentials.cs" />
     <Compile Include="Metadata.cs" />
@@ -130,6 +129,11 @@
     <Compile Include="Profiling\IProfiler.cs" />
     <Compile Include="Profiling\Profilers.cs" />
     <Compile Include="Internal\DefaultSslRootsOverride.cs" />
+    <Compile Include="Utils\GrpcPreconditions.cs" />
+    <Compile Include="CallInvoker.cs" />
+    <Compile Include="DefaultCallInvoker.cs" />
+    <Compile Include="Internal\UnimplementedCallInvoker.cs" />
+    <Compile Include="Internal\InterceptingCallInvoker.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Grpc.Core.nuspec" />
@@ -137,9 +141,7 @@
   </ItemGroup>
   <Import Project="NativeDeps.targets" />
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <ItemGroup>
-    <Folder Include="Resources\" />
-  </ItemGroup>
+  <ItemGroup />
   <ItemGroup>
     <EmbeddedResource Include="..\..\..\etc\roots.pem">
       <Link>Resources\roots.pem</Link>
diff --git a/src/csharp/Grpc.Core/Grpc.Core.nuspec b/src/csharp/Grpc.Core/Grpc.Core.nuspec
index 49bccb050e..0ada0049c2 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.nuspec
+++ b/src/csharp/Grpc.Core/Grpc.Core.nuspec
@@ -16,7 +16,6 @@
     <tags>gRPC RPC Protocol HTTP/2</tags>
     <dependencies>
       <dependency id="Ix-Async" version="1.2.5" />
-      <dependency id="grpc.native.csharp" version="$version$" />
     </dependencies>
   </metadata>
   <files>
@@ -24,5 +23,12 @@
     <file src="bin/ReleaseSigned/Grpc.Core.pdb" target="lib/net45" />
     <file src="bin/ReleaseSigned/Grpc.Core.xml" target="lib/net45" />
     <file src="**\*.cs" target="src" />
+    <file src="Grpc.Core.targets" target="\build\net45\Grpc.Core.targets" />
+    <file src="windows_x86/grpc_csharp_ext.dll" target="/build/native/bin/windows_x86/grpc_csharp_ext.dll" />
+    <file src="windows_x64/grpc_csharp_ext.dll" target="/build/native/bin/windows_x64/grpc_csharp_ext.dll" />
+    <file src="linux_x86/libgrpc_csharp_ext.so" target="/build/native/bin/linux_x86/libgrpc_csharp_ext.so" />
+    <file src="linux_x64/libgrpc_csharp_ext.so" target="/build/native/bin/linux_x64/libgrpc_csharp_ext.so" />
+    <file src="macosx_x86/libgrpc_csharp_ext.dylib" target="/build/native/bin/macosx_x86/libgrpc_csharp_ext.dylib" />
+    <file src="macosx_x64/libgrpc_csharp_ext.dylib" target="/build/native/bin/macosx_x64/libgrpc_csharp_ext.dylib" />
   </files>
 </package>
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.targets b/src/csharp/Grpc.Core/Grpc.Core.targets
index 501fc50548..501fc50548 100644
--- a/src/csharp/grpc.native.csharp/grpc.native.csharp.targets
+++ b/src/csharp/Grpc.Core/Grpc.Core.targets
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index f3aa3d79de..a5c78cc9d7 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -83,7 +83,7 @@ namespace Grpc.Core
         {
             lock (staticLock)
             {
-                Preconditions.CheckState(refCount > 0);
+                GrpcPreconditions.CheckState(refCount > 0);
                 refCount--;
                 if (refCount == 0)
                 {
@@ -118,7 +118,7 @@ namespace Grpc.Core
         /// </summary>
         public static void SetLogger(ILogger customLogger)
         {
-            Preconditions.CheckNotNull(customLogger, "customLogger");
+            GrpcPreconditions.CheckNotNull(customLogger, "customLogger");
             logger = customLogger;
         }
 
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
index 7dc4490281..016e1b8587 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -99,7 +99,7 @@ namespace Grpc.Core.Internal
 
                 lock (myLock)
                 {
-                    Preconditions.CheckState(!started);
+                    GrpcPreconditions.CheckState(!started);
                     started = true;
                     Initialize(cq);
 
@@ -141,7 +141,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!started);
+                GrpcPreconditions.CheckState(!started);
                 started = true;
 
                 Initialize(environment.CompletionQueue);
@@ -168,7 +168,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!started);
+                GrpcPreconditions.CheckState(!started);
                 started = true;
 
                 Initialize(environment.CompletionQueue);
@@ -192,7 +192,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!started);
+                GrpcPreconditions.CheckState(!started);
                 started = true;
 
                 Initialize(environment.CompletionQueue);
@@ -217,7 +217,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!started);
+                GrpcPreconditions.CheckState(!started);
                 started = true;
 
                 Initialize(environment.CompletionQueue);
@@ -257,10 +257,20 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                CheckSendingAllowed(allowFinished: true);
 
-                call.StartSendCloseFromClient(HandleHalfclosed);
+                if (!disposed && !finished)
+                {
+                    call.StartSendCloseFromClient(HandleSendCloseFromClientFinished);
+                }
+                else
+                {
+                    // In case the call has already been finished by the serverside,
+                    // the halfclose has already been done implicitly, so we only
+                    // emit the notification for the completion delegate.
+                    Task.Run(() => HandleSendCloseFromClientFinished(true));
+                }
 
                 halfcloseRequested = true;
                 sendCompletionDelegate = completionDelegate;
@@ -297,7 +307,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(finishedStatus.HasValue, "Status can only be accessed once the call has finished.");
+                GrpcPreconditions.CheckState(finishedStatus.HasValue, "Status can only be accessed once the call has finished.");
                 return finishedStatus.Value.Status;
             }
         }
@@ -310,7 +320,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(finishedStatus.HasValue, "Trailers can only be accessed once the call has finished.");
+                GrpcPreconditions.CheckState(finishedStatus.HasValue, "Trailers can only be accessed once the call has finished.");
                 return finishedStatus.Value.Trailers;
             }
         }
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
index 81a9a40fcc..ccd047f469 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -79,9 +79,9 @@ namespace Grpc.Core.Internal
 
         public AsyncCallBase(Func<TWrite, byte[]> serializer, Func<byte[], TRead> deserializer, GrpcEnvironment environment)
         {
-            this.serializer = Preconditions.CheckNotNull(serializer);
-            this.deserializer = Preconditions.CheckNotNull(deserializer);
-            this.environment = Preconditions.CheckNotNull(environment);
+            this.serializer = GrpcPreconditions.CheckNotNull(serializer);
+            this.deserializer = GrpcPreconditions.CheckNotNull(deserializer);
+            this.environment = GrpcPreconditions.CheckNotNull(environment);
         }
 
         /// <summary>
@@ -91,7 +91,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckState(started);
+                GrpcPreconditions.CheckState(started);
                 cancelRequested = true;
 
                 if (!disposed)
@@ -135,8 +135,8 @@ namespace Grpc.Core.Internal
 
             lock (myLock)
             {
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                CheckSendingAllowed(allowFinished: false);
 
                 call.StartSendMessage(HandleSendFinished, payload, writeFlags, !initialMetadataSent);
 
@@ -154,7 +154,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
                 CheckReadingAllowed();
 
                 call.StartReceiveMessage(HandleReadFinished);
@@ -202,24 +202,24 @@ namespace Grpc.Core.Internal
         {
         }
 
-        protected void CheckSendingAllowed()
+        protected void CheckSendingAllowed(bool allowFinished)
         {
-            Preconditions.CheckState(started);
+            GrpcPreconditions.CheckState(started);
             CheckNotCancelled();
-            Preconditions.CheckState(!disposed);
+            GrpcPreconditions.CheckState(!disposed || allowFinished);
 
-            Preconditions.CheckState(!halfcloseRequested, "Already halfclosed.");
-            Preconditions.CheckState(!finished, "Already finished.");
-            Preconditions.CheckState(sendCompletionDelegate == null, "Only one write can be pending at a time");
+            GrpcPreconditions.CheckState(!halfcloseRequested, "Already halfclosed.");
+            GrpcPreconditions.CheckState(!finished || allowFinished, "Already finished.");
+            GrpcPreconditions.CheckState(sendCompletionDelegate == null, "Only one write can be pending at a time");
         }
 
         protected virtual void CheckReadingAllowed()
         {
-            Preconditions.CheckState(started);
-            Preconditions.CheckState(!disposed);
+            GrpcPreconditions.CheckState(started);
+            GrpcPreconditions.CheckState(!disposed);
 
-            Preconditions.CheckState(!readingDone, "Stream has already been closed.");
-            Preconditions.CheckState(readCompletionDelegate == null, "Only one read can be pending at a time");
+            GrpcPreconditions.CheckState(!readingDone, "Stream has already been closed.");
+            GrpcPreconditions.CheckState(readCompletionDelegate == null, "Only one read can be pending at a time");
         }
 
         protected void CheckNotCancelled()
@@ -294,9 +294,9 @@ namespace Grpc.Core.Internal
         }
 
         /// <summary>
-        /// Handles halfclose completion.
+        /// Handles halfclose (send close from client) completion.
         /// </summary>
-        protected void HandleHalfclosed(bool success)
+        protected void HandleSendCloseFromClientFinished(bool success)
         {
             AsyncCompletionDelegate<object> origCompletionDelegate = null;
             lock (myLock)
@@ -309,7 +309,31 @@ namespace Grpc.Core.Internal
 
             if (!success)
             {
-                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Halfclose failed"));
+                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Sending close from client has failed."));
+            }
+            else
+            {
+                FireCompletion(origCompletionDelegate, null, null);
+            }
+        }
+
+        /// <summary>
+        /// Handles send status from server completion.
+        /// </summary>
+        protected void HandleSendStatusFromServerFinished(bool success)
+        {
+            AsyncCompletionDelegate<object> origCompletionDelegate = null;
+            lock (myLock)
+            {
+                origCompletionDelegate = sendCompletionDelegate;
+                sendCompletionDelegate = null;
+
+                ReleaseResourcesIfPossible();
+            }
+
+            if (!success)
+            {
+                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Error sending status from server."));
             }
             else
             {
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
index 6752d3fab3..bea2b3660c 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ namespace Grpc.Core.Internal
 
         public AsyncCallServer(Func<TResponse, byte[]> serializer, Func<byte[], TRequest> deserializer, GrpcEnvironment environment, Server server) : base(serializer, deserializer, environment)
         {
-            this.server = Preconditions.CheckNotNull(server);
+            this.server = GrpcPreconditions.CheckNotNull(server);
         }
 
         public void Initialize(CallSafeHandle call)
@@ -71,7 +71,7 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(call);
+                GrpcPreconditions.CheckNotNull(call);
 
                 started = true;
 
@@ -108,14 +108,14 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(headers, "metadata");
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                GrpcPreconditions.CheckNotNull(headers, "metadata");
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
 
-                Preconditions.CheckState(!initialMetadataSent, "Response headers can only be sent once per call.");
-                Preconditions.CheckState(streamingWritesCounter == 0, "Response headers can only be sent before the first write starts.");
-                CheckSendingAllowed();
+                GrpcPreconditions.CheckState(!initialMetadataSent, "Response headers can only be sent once per call.");
+                GrpcPreconditions.CheckState(streamingWritesCounter == 0, "Response headers can only be sent before the first write starts.");
+                CheckSendingAllowed(allowFinished: false);
 
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
 
                 using (var metadataArray = MetadataArraySafeHandle.Create(headers))
                 {
@@ -136,12 +136,12 @@ namespace Grpc.Core.Internal
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+                CheckSendingAllowed(allowFinished: false);
 
                 using (var metadataArray = MetadataArraySafeHandle.Create(trailers))
                 {
-                    call.StartSendStatusFromServer(HandleHalfclosed, status, metadataArray, !initialMetadataSent);
+                    call.StartSendStatusFromServer(HandleSendStatusFromServerFinished, status, metadataArray, !initialMetadataSent);
                 }
                 halfcloseRequested = true;
                 readingDone = true;
@@ -177,7 +177,7 @@ namespace Grpc.Core.Internal
         protected override void CheckReadingAllowed()
         {
             base.CheckReadingAllowed();
-            Preconditions.CheckArgument(!cancelRequested);
+            GrpcPreconditions.CheckArgument(!cancelRequested);
         }
 
         protected override void OnAfterReleaseResources()
@@ -193,16 +193,6 @@ namespace Grpc.Core.Internal
             lock (myLock)
             {
                 finished = true;
-
-                if (cancelled)
-                {
-                    // Once we cancel, we don't have to care that much 
-                    // about reads and writes.
-
-                    // TODO(jtattermusch): is this still necessary?
-                    Cancel();
-                }
-
                 ReleaseResourcesIfPossible();
             }
             // TODO(jtattermusch): handle error
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
index d5bbf676ff..7e86fddb4d 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
index 0e2108f0f2..66d2a66f99 100644
--- a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
index 4ae57aa773..0221798d2a 100644
--- a/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
index 0f36337f11..3095a34008 100644
--- a/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
index bc045b67b1..500653ba5d 100644
--- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
index f6aa710b21..0038024245 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
index 65cc2e019f..c85f55241a 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
index 2199905cc6..1dbd1f4e34 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
index 36a92ecd8e..288680792a 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
index 9d7a990c42..91364cdc70 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -101,7 +101,7 @@ namespace Grpc.Core.Internal
         {
             bool success = false;
             shutdownRefcount.IncrementIfNonzero(ref success);
-            Preconditions.CheckState(success, "Shutdown has already been called");
+            GrpcPreconditions.CheckState(success, "Shutdown has already been called");
         }
 
         private void EndOp()
diff --git a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
index 2796c959a3..628844f242 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
@@ -59,7 +59,7 @@ namespace Grpc.Core.Internal
         public void Register(IntPtr key, OpCompletionDelegate callback)
         {
             environment.DebugStats.PendingBatchCompletions.Increment();
-            Preconditions.CheckState(dict.TryAdd(key, callback));
+            GrpcPreconditions.CheckState(dict.TryAdd(key, callback));
         }
 
         public void RegisterBatchCompletion(BatchContextSafeHandle ctx, BatchCompletionDelegate callback)
@@ -71,7 +71,7 @@ namespace Grpc.Core.Internal
         public OpCompletionDelegate Extract(IntPtr key)
         {
             OpCompletionDelegate value;
-            Preconditions.CheckState(dict.TryRemove(key, out value));
+            GrpcPreconditions.CheckState(dict.TryRemove(key, out value));
             environment.DebugStats.PendingBatchCompletions.Decrement();
             return value;
         }
diff --git a/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs b/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
index eeaa7add81..aa4dafd7f2 100644
--- a/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
+++ b/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -56,7 +56,7 @@ namespace Grpc.Core.Internal
         {
             lock (staticLock)
             {
-                var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(RootsPemResourceName);
+                var stream = typeof(DefaultSslRootsOverride).GetTypeInfo().Assembly.GetManifestResourceStream(RootsPemResourceName);
                 if (stream == null)
                 {
                     throw new IOException(string.Format("Error loading the embedded resource \"{0}\"", RootsPemResourceName));   
diff --git a/src/csharp/Grpc.Core/Internal/Enums.cs b/src/csharp/Grpc.Core/Internal/Enums.cs
index b0eab2001b..74f86d2a30 100644
--- a/src/csharp/Grpc.Core/Internal/Enums.cs
+++ b/src/csharp/Grpc.Core/Internal/Enums.cs
@@ -72,7 +72,7 @@ namespace Grpc.Core.Internal
         /// </summary>
         public static void CheckOk(this GRPCCallError callError)
         {
-            Preconditions.CheckState(callError == GRPCCallError.OK, "Call error: " + callError);
+            GrpcPreconditions.CheckState(callError == GRPCCallError.OK, "Call error: " + callError);
         }
     }
 
diff --git a/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
new file mode 100644
index 0000000000..ef48dc7121
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
@@ -0,0 +1,134 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Decorates an underlying <c>CallInvoker</c> to intercept call invocations.
+    /// </summary>
+    internal class InterceptingCallInvoker : CallInvoker
+    {
+        readonly CallInvoker callInvoker;
+        readonly Func<string, string> hostInterceptor;
+        readonly Func<CallOptions, CallOptions> callOptionsInterceptor;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.InterceptingCallInvoker"/> class.
+        /// </summary>
+        public InterceptingCallInvoker(CallInvoker callInvoker,
+            Func<string, string> hostInterceptor = null,
+            Func<CallOptions, CallOptions> callOptionsInterceptor = null)
+        {
+            this.callInvoker = GrpcPreconditions.CheckNotNull(callInvoker);
+            this.hostInterceptor = hostInterceptor;
+            this.callOptionsInterceptor = callOptionsInterceptor;
+        }
+
+        /// <summary>
+        /// Intercepts a unary call.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.BlockingUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncServerStreamingCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncClientStreamingCall(method, host, options);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncDuplexStreamingCall(method, host, options);
+        }
+
+        private string InterceptHost(string host)
+        {
+            if (hostInterceptor == null)
+            {
+                return host;
+            }
+            return hostInterceptor(host);
+        }
+
+        private CallOptions InterceptCallOptions(CallOptions options)
+        {
+            if (callOptionsInterceptor == null)
+            {
+                return options;
+            }
+            return callOptionsInterceptor(options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
index 81760d7a10..25735d5262 100644
--- a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/NativeExtension.cs b/src/csharp/Grpc.Core/Internal/NativeExtension.cs
index 4c742ab6c3..b45ba19c24 100644
--- a/src/csharp/Grpc.Core/Internal/NativeExtension.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeExtension.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,7 @@ namespace Grpc.Core.Internal
     internal sealed class NativeExtension
     {
         const string NativeLibrariesDir = "nativelibs";
+        const string DnxStyleNativeLibrariesDir = "../../build/native/bin/";
 
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<NativeExtension>();
         static readonly object staticLock = new object();
@@ -99,15 +100,48 @@ namespace Grpc.Core.Internal
             // TODO: allow customizing path to native extension (possibly through exposing a GrpcEnvironment property).
 
             var libraryFlavor = string.Format("{0}_{1}", GetPlatformString(), GetArchitectureString());
-            var fullPath = Path.Combine(GetExecutingAssemblyDirectory(),
-                NativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
-            return new UnmanagedLibrary(fullPath);
+
+            var assemblyDirectory = Path.GetDirectoryName(GetAssemblyPath());
+
+            // With old-style VS projects, the native libraries get copied using a .targets rule to the build output folder
+            // alongside the compiled assembly.
+            var classicPath = Path.Combine(assemblyDirectory, NativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
+
+            // DNX-style project.json projects will use Grpc.Core assembly directly in the location where it got restored
+            // by nuget. We locate the native libraries based on known structure of Grpc.Core nuget package.
+            var dnxStylePath = Path.Combine(assemblyDirectory, DnxStyleNativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
+
+            return new UnmanagedLibrary(new string[] {classicPath, dnxStylePath});
+        }
+
+        private static string GetAssemblyPath()
+        {
+            var assembly = typeof(NativeExtension).GetTypeInfo().Assembly;
+#if DOTNET5_4
+            // Assembly.EscapedCodeBase does not exit under CoreCLR, but assemblies imported from a nuget package
+            // don't seem to be shadowed by DNX-based projects at all.
+            return assembly.Location;
+#else
+            // If assembly is shadowed (e.g. in a webapp), EscapedCodeBase is pointing
+            // to the original location of the assembly, and Location is pointing
+            // to the shadow copy. We care about the original location because
+            // the native dlls don't get shadowed.
+
+            var escapedCodeBase = assembly.EscapedCodeBase;
+            if (IsFileUri(escapedCodeBase))
+            {
+                return new Uri(escapedCodeBase).LocalPath;
+            }
+            return assembly.Location;
+#endif
         }
 
-        private static string GetExecutingAssemblyDirectory()
+#if !DOTNET5_4
+        private static bool IsFileUri(string uri)
         {
-            return Path.GetDirectoryName(typeof(NativeExtension).GetTypeInfo().Assembly.Location);
+            return uri.ToLowerInvariant().StartsWith(Uri.UriSchemeFile);
         }
+#endif
 
         private static string GetPlatformString()
         {
diff --git a/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs b/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
index 4bbbb4808c..3fcf8673ee 100644
--- a/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
index 36b865c09c..26af6311d5 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ namespace Grpc.Core.Internal
 
         public NativeMetadataCredentialsPlugin(AsyncAuthInterceptor interceptor)
         {
-            this.interceptor = Preconditions.CheckNotNull(interceptor, "interceptor");
+            this.interceptor = GrpcPreconditions.CheckNotNull(interceptor, "interceptor");
             this.nativeInterceptor = NativeMetadataInterceptorHandler;
 
             // Make sure the callback doesn't get garbage collected until it is destroyed.
@@ -87,7 +87,7 @@ namespace Grpc.Core.Internal
             }
         }
 
-        private async void StartGetMetadata(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
+        private async Task StartGetMetadata(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
         {
             try
             {
diff --git a/src/csharp/Grpc.Core/Internal/NativeMethods.cs b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
index 19a573581e..9ee0ba3bc0 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMethods.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/PlatformApis.cs b/src/csharp/Grpc.Core/Internal/PlatformApis.cs
index f0c5b0f63f..5d8c44b589 100644
--- a/src/csharp/Grpc.Core/Internal/PlatformApis.cs
+++ b/src/csharp/Grpc.Core/Internal/PlatformApis.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -53,12 +53,18 @@ namespace Grpc.Core.Internal
 
         static PlatformApis()
         {
+#if DNXCORE50
+            isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+            isMacOSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+            isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+#else
             var platform = Environment.OSVersion.Platform;
 
             // PlatformID.MacOSX is never returned, commonly used trick is to identify Mac is by using uname.
             isMacOSX = (platform == PlatformID.Unix && GetUname() == "Darwin");
             isLinux = (platform == PlatformID.Unix && !isMacOSX);
             isWindows = (platform == PlatformID.Win32NT || platform == PlatformID.Win32S || platform == PlatformID.Win32Windows);
+#endif
             isMono = Type.GetType("Mono.Runtime") != null;
         }
 
diff --git a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
index de66759b94..1f83e51548 100644
--- a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
@@ -78,10 +78,10 @@ namespace Grpc.Core.Internal
             var context = HandlerUtils.NewContext(newRpc, asyncCall.Peer, responseStream, asyncCall.CancellationToken);
             try
             {
-                Preconditions.CheckArgument(await requestStream.MoveNext().ConfigureAwait(false));
+                GrpcPreconditions.CheckArgument(await requestStream.MoveNext().ConfigureAwait(false));
                 var request = requestStream.Current;
                 // TODO(jtattermusch): we need to read the full stream so that native callhandle gets deallocated.
-                Preconditions.CheckArgument(!await requestStream.MoveNext().ConfigureAwait(false));
+                GrpcPreconditions.CheckArgument(!await requestStream.MoveNext().ConfigureAwait(false));
                 var result = await handler(request, context).ConfigureAwait(false);
                 status = context.Status;
                 await responseStream.WriteAsync(result).ConfigureAwait(false);
@@ -134,10 +134,10 @@ namespace Grpc.Core.Internal
             var context = HandlerUtils.NewContext(newRpc, asyncCall.Peer, responseStream, asyncCall.CancellationToken);
             try
             {
-                Preconditions.CheckArgument(await requestStream.MoveNext().ConfigureAwait(false));
+                GrpcPreconditions.CheckArgument(await requestStream.MoveNext().ConfigureAwait(false));
                 var request = requestStream.Current;
                 // TODO(jtattermusch): we need to read the full stream so that native callhandle gets deallocated.
-                Preconditions.CheckArgument(!await requestStream.MoveNext().ConfigureAwait(false));
+                GrpcPreconditions.CheckArgument(!await requestStream.MoveNext().ConfigureAwait(false));
                 await handler(request, responseStream, context).ConfigureAwait(false);
                 status = context.Status;
             }
diff --git a/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
index a1d080c7f1..24f686fddc 100644
--- a/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@ namespace Grpc.Core.Internal
 
         public static ServerCredentialsSafeHandle CreateSslCredentials(string pemRootCerts, string[] keyCertPairCertChainArray, string[] keyCertPairPrivateKeyArray, bool forceClientAuth)
         {
-            Preconditions.CheckArgument(keyCertPairCertChainArray.Length == keyCertPairPrivateKeyArray.Length);
+            GrpcPreconditions.CheckArgument(keyCertPairCertChainArray.Length == keyCertPairPrivateKeyArray.Length);
             return Native.grpcsharp_ssl_server_credentials_create(pemRootCerts,
                                                                   keyCertPairCertChainArray, keyCertPairPrivateKeyArray,
                                                                   new UIntPtr((ulong)keyCertPairCertChainArray.Length),
diff --git a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
index a57fb3b789..6b5f70e220 100644
--- a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/Timespec.cs b/src/csharp/Grpc.Core/Internal/Timespec.cs
index 148d877da5..56172a5dda 100644
--- a/src/csharp/Grpc.Core/Internal/Timespec.cs
+++ b/src/csharp/Grpc.Core/Internal/Timespec.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -141,8 +141,8 @@ namespace Grpc.Core.Internal
         /// </summary>
         public DateTime ToDateTime()
         {
-            Preconditions.CheckState(tv_nsec >= 0 && tv_nsec < NanosPerSecond);
-            Preconditions.CheckState(clock_type == GPRClockType.Realtime);
+            GrpcPreconditions.CheckState(tv_nsec >= 0 && tv_nsec < NanosPerSecond);
+            GrpcPreconditions.CheckState(clock_type == GPRClockType.Realtime);
 
             // fast path for InfFuture
             if (this.Equals(InfFuture))
@@ -195,7 +195,7 @@ namespace Grpc.Core.Internal
                 return Timespec.InfPast;
             }
 
-            Preconditions.CheckArgument(dateTime.Kind == DateTimeKind.Utc, "dateTime needs of kind DateTimeKind.Utc or be equal to DateTime.MaxValue or DateTime.MinValue.");
+            GrpcPreconditions.CheckArgument(dateTime.Kind == DateTimeKind.Utc, "dateTime needs of kind DateTimeKind.Utc or be equal to DateTime.MaxValue or DateTime.MinValue.");
 
             try
             {
diff --git a/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
new file mode 100644
index 0000000000..0c7340873b
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
@@ -0,0 +1,75 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Call invoker that throws <c>NotImplementedException</c> for all requests.
+    /// </summary>
+    internal class UnimplementedCallInvoker : CallInvoker
+    {
+        public UnimplementedCallInvoker()
+        {
+        }
+
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
index 95a8797e3e..5a80746101 100644
--- a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
+++ b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -32,8 +32,6 @@
 #endregion
 
 using System;
-using System.Collections.Concurrent;
-using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.InteropServices;
@@ -63,14 +61,9 @@ namespace Grpc.Core.Internal
         readonly string libraryPath;
         readonly IntPtr handle;
 
-        public UnmanagedLibrary(string libraryPath)
+        public UnmanagedLibrary(string[] libraryPathAlternatives)
         {
-            this.libraryPath = Preconditions.CheckNotNull(libraryPath);
-
-            if (!File.Exists(this.libraryPath))
-            {
-                throw new FileNotFoundException("Error loading native library. File does not exist.", this.libraryPath);
-            }
+            this.libraryPath = FirstValidLibraryPath(libraryPathAlternatives);
 
             Logger.Debug("Attempting to load native library \"{0}\"", this.libraryPath);
 
@@ -139,6 +132,19 @@ namespace Grpc.Core.Internal
             throw new InvalidOperationException("Unsupported platform.");
         }
 
+        private static string FirstValidLibraryPath(string[] libraryPathAlternatives)
+        {
+            GrpcPreconditions.CheckArgument(libraryPathAlternatives.Length > 0, "libraryPathAlternatives cannot be empty.");
+            foreach (var path in libraryPathAlternatives)
+            {
+                if (File.Exists(path))
+                {
+                    return path;
+                }
+            }
+            throw new FileNotFoundException(String.Format("Error loading native library. Not found in any of the possible locations {0}", libraryPathAlternatives));
+        }
+
         private static class Windows
         {
             [DllImport("kernel32.dll")]
diff --git a/src/csharp/Grpc.Core/KeyCertificatePair.cs b/src/csharp/Grpc.Core/KeyCertificatePair.cs
index 6f691975e9..a8f3bb073d 100644
--- a/src/csharp/Grpc.Core/KeyCertificatePair.cs
+++ b/src/csharp/Grpc.Core/KeyCertificatePair.cs
@@ -54,8 +54,8 @@ namespace Grpc.Core
         /// <param name="privateKey">PEM encoded private key.</param>
         public KeyCertificatePair(string certificateChain, string privateKey)
         {
-            this.certificateChain = Preconditions.CheckNotNull(certificateChain, "certificateChain");
-            this.privateKey = Preconditions.CheckNotNull(privateKey, "privateKey");
+            this.certificateChain = GrpcPreconditions.CheckNotNull(certificateChain, "certificateChain");
+            this.privateKey = GrpcPreconditions.CheckNotNull(privateKey, "privateKey");
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs b/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
index 5c5b802164..5e8dced641 100644
--- a/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
+++ b/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
@@ -33,118 +33,33 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 
 namespace Grpc.Core.Logging
 {
     /// <summary>Logger that logs to System.Console.</summary>
-    public class ConsoleLogger : ILogger
+    public class ConsoleLogger : TextWriterLogger
     {
-        readonly Type forType;
-        readonly string forTypeString;
-
         /// <summary>Creates a console logger not associated to any specific type.</summary>
         public ConsoleLogger() : this(null)
         {
         }
 
         /// <summary>Creates a console logger that logs messsage specific for given type.</summary>
-        private ConsoleLogger(Type forType)
+        private ConsoleLogger(Type forType) : base(() => Console.Error, forType)
         {
-            this.forType = forType;
-            if (forType != null)
-            {
-                var namespaceStr = forType.Namespace ?? "";
-                if (namespaceStr.Length > 0)
-                {
-                     namespaceStr += ".";
-                }
-                this.forTypeString = namespaceStr + forType.Name + " ";
-            }
-            else
-            {
-                this.forTypeString = "";
-            }
         }
  
         /// <summary>
         /// Returns a logger associated with the specified type.
         /// </summary>
-        public ILogger ForType<T>()
+        public override ILogger ForType<T>()
         {
-            if (typeof(T) == forType)
+            if (typeof(T) == AssociatedType)
             {
                 return this;
             }
             return new ConsoleLogger(typeof(T));
         }
-
-        /// <summary>Logs a message with severity Debug.</summary>
-        public void Debug(string message)
-        {
-            Log("D", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Debug.</summary>
-        public void Debug(string format, params object[] formatArgs)
-        {
-            Debug(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message with severity Info.</summary>
-        public void Info(string message)
-        {
-            Log("I", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Info.</summary>
-        public void Info(string format, params object[] formatArgs)
-        {
-            Info(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message with severity Warning.</summary>
-        public void Warning(string message)
-        {
-            Log("W", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Warning.</summary>
-        public void Warning(string format, params object[] formatArgs)
-        {
-            Warning(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message and an associated exception with severity Warning.</summary>
-        public void Warning(Exception exception, string message)
-        {
-            Warning(message + " " + exception);
-        }
-
-        /// <summary>Logs a message with severity Error.</summary>
-        public void Error(string message)
-        {
-            Log("E", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Error.</summary>
-        public void Error(string format, params object[] formatArgs)
-        {
-            Error(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message and an associated exception with severity Error.</summary>
-        public void Error(Exception exception, string message)
-        {
-            Error(message + " " + exception);
-        }
-
-        private void Log(string severityString, string message)
-        {
-            Console.Error.WriteLine("{0}{1} {2}{3}",
-                severityString,
-                DateTime.Now,
-                forTypeString,
-                message);
-        }
     }
 }
diff --git a/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs b/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs
new file mode 100644
index 0000000000..397320ddff
--- /dev/null
+++ b/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs
@@ -0,0 +1,176 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Logging
+{
+    /// <summary>Logger that logs to an arbitrary <c>System.IO.TextWriter</c>.</summary>
+    public class TextWriterLogger : ILogger
+    {
+        // Format similar enough to C core log format except nanosecond precision is not supported.
+        const string DateTimeFormatString = "MMdd HH:mm:ss.ffffff";
+
+        readonly Func<TextWriter> textWriterProvider;
+        readonly Type forType;
+        readonly string forTypeString;
+
+        /// <summary>
+        /// Creates a console logger not associated to any specific type and writes to given <c>System.IO.TextWriter</c>.
+        /// User is responsible for providing an instance of TextWriter that is thread-safe.
+        /// </summary>
+        public TextWriterLogger(TextWriter textWriter) : this(() => textWriter)
+        {
+            GrpcPreconditions.CheckNotNull(textWriter);
+        }
+
+        /// <summary>
+        /// Creates a console logger not associated to any specific type and writes to a <c>System.IO.TextWriter</c> obtained from given provider.
+        /// User is responsible for providing an instance of TextWriter that is thread-safe.
+        /// </summary>
+        public TextWriterLogger(Func<TextWriter> textWriterProvider) : this(textWriterProvider, null)
+        {
+        }
+
+        /// <summary>Creates a console logger that logs messsage specific for given type.</summary>
+        protected TextWriterLogger(Func<TextWriter> textWriterProvider, Type forType)
+        {
+            this.textWriterProvider = GrpcPreconditions.CheckNotNull(textWriterProvider);
+            this.forType = forType;
+            if (forType != null)
+            {
+                var namespaceStr = forType.Namespace ?? "";
+                if (namespaceStr.Length > 0)
+                {
+                     namespaceStr += ".";
+                }
+                this.forTypeString = namespaceStr + forType.Name + " ";
+            }
+            else
+            {
+                this.forTypeString = "";
+            }
+        }
+
+        /// <summary>
+        /// Returns a logger associated with the specified type.
+        /// </summary>
+        public virtual ILogger ForType<T>()
+        {
+            if (typeof(T) == forType)
+            {
+                return this;
+            }
+            return new TextWriterLogger(this.textWriterProvider, typeof(T));
+        }
+
+        /// <summary>Logs a message with severity Debug.</summary>
+        public void Debug(string message)
+        {
+            Log("D", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Debug.</summary>
+        public void Debug(string format, params object[] formatArgs)
+        {
+            Debug(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message with severity Info.</summary>
+        public void Info(string message)
+        {
+            Log("I", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Info.</summary>
+        public void Info(string format, params object[] formatArgs)
+        {
+            Info(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message with severity Warning.</summary>
+        public void Warning(string message)
+        {
+            Log("W", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Warning.</summary>
+        public void Warning(string format, params object[] formatArgs)
+        {
+            Warning(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Warning.</summary>
+        public void Warning(Exception exception, string message)
+        {
+            Warning(message + " " + exception);
+        }
+
+        /// <summary>Logs a message with severity Error.</summary>
+        public void Error(string message)
+        {
+            Log("E", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Error.</summary>
+        public void Error(string format, params object[] formatArgs)
+        {
+            Error(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Error.</summary>
+        public void Error(Exception exception, string message)
+        {
+            Error(message + " " + exception);
+        }
+
+        /// <summary>Gets the type associated with this logger.</summary>
+        protected Type AssociatedType
+        {
+            get { return forType; }
+        }
+
+        private void Log(string severityString, string message)
+        {
+            textWriterProvider().WriteLine("{0}{1} {2}{3}",
+                severityString,
+                DateTime.Now.ToString(DateTimeFormatString, CultureInfo.InvariantCulture),
+                forTypeString,
+                message);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Marshaller.cs b/src/csharp/Grpc.Core/Marshaller.cs
index 3493d2d38f..d86e75b3cb 100644
--- a/src/csharp/Grpc.Core/Marshaller.cs
+++ b/src/csharp/Grpc.Core/Marshaller.cs
@@ -51,8 +51,8 @@ namespace Grpc.Core
         /// <param name="deserializer">Function that will be used to deserialize messages.</param>
         public Marshaller(Func<T, byte[]> serializer, Func<byte[], T> deserializer)
         {
-            this.serializer = Preconditions.CheckNotNull(serializer, "serializer");
-            this.deserializer = Preconditions.CheckNotNull(deserializer, "deserializer");
+            this.serializer = GrpcPreconditions.CheckNotNull(serializer, "serializer");
+            this.deserializer = GrpcPreconditions.CheckNotNull(deserializer, "deserializer");
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.Core/Metadata.cs b/src/csharp/Grpc.Core/Metadata.cs
index 21bdf4f114..e982fa0c48 100644
--- a/src/csharp/Grpc.Core/Metadata.cs
+++ b/src/csharp/Grpc.Core/Metadata.cs
@@ -179,7 +179,7 @@ namespace Grpc.Core
 
         private void CheckWriteable()
         {
-            Preconditions.CheckState(!readOnly, "Object is read only");
+            GrpcPreconditions.CheckState(!readOnly, "Object is read only");
         }
 
         #endregion
@@ -211,10 +211,10 @@ namespace Grpc.Core
             public Entry(string key, byte[] valueBytes)
             {
                 this.key = NormalizeKey(key);
-                Preconditions.CheckArgument(this.key.EndsWith(BinaryHeaderSuffix),
+                GrpcPreconditions.CheckArgument(this.key.EndsWith(BinaryHeaderSuffix),
                     "Key for binary valued metadata entry needs to have suffix indicating binary value.");
                 this.value = null;
-                Preconditions.CheckNotNull(valueBytes, "valueBytes");
+                GrpcPreconditions.CheckNotNull(valueBytes, "valueBytes");
                 this.valueBytes = new byte[valueBytes.Length];
                 Buffer.BlockCopy(valueBytes, 0, this.valueBytes, 0, valueBytes.Length);  // defensive copy to guarantee immutability
             }
@@ -227,9 +227,9 @@ namespace Grpc.Core
             public Entry(string key, string value)
             {
                 this.key = NormalizeKey(key);
-                Preconditions.CheckArgument(!this.key.EndsWith(BinaryHeaderSuffix),
+                GrpcPreconditions.CheckArgument(!this.key.EndsWith(BinaryHeaderSuffix),
                     "Key for ASCII valued metadata entry cannot have suffix indicating binary value.");
-                this.value = Preconditions.CheckNotNull(value, "value");
+                this.value = GrpcPreconditions.CheckNotNull(value, "value");
                 this.valueBytes = null;
             }
 
@@ -270,7 +270,7 @@ namespace Grpc.Core
             {
                 get
                 {
-                    Preconditions.CheckState(!IsBinary, "Cannot access string value of a binary metadata entry");
+                    GrpcPreconditions.CheckState(!IsBinary, "Cannot access string value of a binary metadata entry");
                     return value ?? Encoding.GetString(valueBytes);
                 }
             }
@@ -323,8 +323,8 @@ namespace Grpc.Core
 
             private static string NormalizeKey(string key)
             {
-                var normalized = Preconditions.CheckNotNull(key, "key").ToLower(CultureInfo.InvariantCulture);
-                Preconditions.CheckArgument(ValidKeyRegex.IsMatch(normalized), 
+                var normalized = GrpcPreconditions.CheckNotNull(key, "key").ToLowerInvariant();
+                GrpcPreconditions.CheckArgument(ValidKeyRegex.IsMatch(normalized), 
                     "Metadata entry key not valid. Keys can only contain lowercase alphanumeric characters, underscores and hyphens.");
                 return normalized;
             }
diff --git a/src/csharp/Grpc.Core/Method.cs b/src/csharp/Grpc.Core/Method.cs
index 99162a7d5d..0cf041be2b 100644
--- a/src/csharp/Grpc.Core/Method.cs
+++ b/src/csharp/Grpc.Core/Method.cs
@@ -106,10 +106,10 @@ namespace Grpc.Core
         public Method(MethodType type, string serviceName, string name, Marshaller<TRequest> requestMarshaller, Marshaller<TResponse> responseMarshaller)
         {
             this.type = type;
-            this.serviceName = Preconditions.CheckNotNull(serviceName, "serviceName");
-            this.name = Preconditions.CheckNotNull(name, "name");
-            this.requestMarshaller = Preconditions.CheckNotNull(requestMarshaller, "requestMarshaller");
-            this.responseMarshaller = Preconditions.CheckNotNull(responseMarshaller, "responseMarshaller");
+            this.serviceName = GrpcPreconditions.CheckNotNull(serviceName, "serviceName");
+            this.name = GrpcPreconditions.CheckNotNull(name, "name");
+            this.requestMarshaller = GrpcPreconditions.CheckNotNull(requestMarshaller, "requestMarshaller");
+            this.responseMarshaller = GrpcPreconditions.CheckNotNull(responseMarshaller, "responseMarshaller");
             this.fullName = GetFullName(serviceName, name);
         }
 
diff --git a/src/csharp/Grpc.Core/Profiling/Profilers.cs b/src/csharp/Grpc.Core/Profiling/Profilers.cs
index 8a181447d6..aa0d96c0e0 100644
--- a/src/csharp/Grpc.Core/Profiling/Profilers.cs
+++ b/src/csharp/Grpc.Core/Profiling/Profilers.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index d120f95fdf..5b61b7f060 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -125,7 +125,7 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!startRequested);
+                GrpcPreconditions.CheckState(!startRequested);
                 startRequested = true;
                 
                 handle.Start();
@@ -142,8 +142,8 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckState(startRequested);
-                Preconditions.CheckState(!shutdownRequested);
+                GrpcPreconditions.CheckState(startRequested);
+                GrpcPreconditions.CheckState(!shutdownRequested);
                 shutdownRequested = true;
             }
 
@@ -162,8 +162,8 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckState(startRequested);
-                Preconditions.CheckState(!shutdownRequested);
+                GrpcPreconditions.CheckState(startRequested);
+                GrpcPreconditions.CheckState(!shutdownRequested);
                 shutdownRequested = true;
             }
 
@@ -181,7 +181,7 @@ namespace Grpc.Core
 
             bool success = false;
             handle.DangerousAddRef(ref success);
-            Preconditions.CheckState(success);
+            GrpcPreconditions.CheckState(success);
         }
 
         internal void RemoveCallReference(object call)
@@ -197,7 +197,7 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckState(!startRequested);
+                GrpcPreconditions.CheckState(!startRequested);
                 foreach (var entry in serviceDefinition.CallHandlers)
                 {
                     callHandlers.Add(entry.Key, entry.Value);
@@ -213,8 +213,8 @@ namespace Grpc.Core
         {
             lock (myLock)
             {
-                Preconditions.CheckNotNull(serverPort.Credentials, "serverPort");
-                Preconditions.CheckState(!startRequested);
+                GrpcPreconditions.CheckNotNull(serverPort.Credentials, "serverPort");
+                GrpcPreconditions.CheckState(!startRequested);
                 var address = string.Format("{0}:{1}", serverPort.Host, serverPort.Port);
                 int boundPort;
                 using (var nativeCredentials = serverPort.Credentials.ToNativeCredentials())
diff --git a/src/csharp/Grpc.Core/ServerCredentials.cs b/src/csharp/Grpc.Core/ServerCredentials.cs
index 3c6703d30e..ace4820027 100644
--- a/src/csharp/Grpc.Core/ServerCredentials.cs
+++ b/src/csharp/Grpc.Core/ServerCredentials.cs
@@ -90,11 +90,11 @@ namespace Grpc.Core
         public SslServerCredentials(IEnumerable<KeyCertificatePair> keyCertificatePairs, string rootCertificates, bool forceClientAuth)
         {
             this.keyCertificatePairs = new List<KeyCertificatePair>(keyCertificatePairs).AsReadOnly();
-            Preconditions.CheckArgument(this.keyCertificatePairs.Count > 0,
+            GrpcPreconditions.CheckArgument(this.keyCertificatePairs.Count > 0,
                 "At least one KeyCertificatePair needs to be provided.");
             if (forceClientAuth)
             {
-                Preconditions.CheckNotNull(rootCertificates,
+                GrpcPreconditions.CheckNotNull(rootCertificates,
                     "Cannot force client authentication unless you provide rootCertificates.");
             }
             this.rootCertificates = rootCertificates;
diff --git a/src/csharp/Grpc.Core/ServerPort.cs b/src/csharp/Grpc.Core/ServerPort.cs
index 598404d045..afae0846dd 100644
--- a/src/csharp/Grpc.Core/ServerPort.cs
+++ b/src/csharp/Grpc.Core/ServerPort.cs
@@ -62,9 +62,9 @@ namespace Grpc.Core
         /// <param name="credentials">credentials to use to secure this port.</param>
         public ServerPort(string host, int port, ServerCredentials credentials)
         {
-            this.host = Preconditions.CheckNotNull(host, "host");
+            this.host = GrpcPreconditions.CheckNotNull(host, "host");
             this.port = port;
-            this.credentials = Preconditions.CheckNotNull(credentials, "credentials");
+            this.credentials = GrpcPreconditions.CheckNotNull(credentials, "credentials");
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.Core/Utils/Preconditions.cs b/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs
index a8ab603391..fcfe97a09b 100644
--- a/src/csharp/Grpc.Core/Utils/Preconditions.cs
+++ b/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs
@@ -38,7 +38,7 @@ namespace Grpc.Core.Utils
     /// <summary>
     /// Utility methods to simplify checking preconditions in the code.
     /// </summary>
-    public static class Preconditions
+    public static class GrpcPreconditions
     {
         /// <summary>
         /// Throws <see cref="ArgumentException"/> if condition is false.
diff --git a/src/csharp/Grpc.Core/Version.cs b/src/csharp/Grpc.Core/Version.cs
index 6d88438a07..8a26bd8362 100644
--- a/src/csharp/Grpc.Core/Version.cs
+++ b/src/csharp/Grpc.Core/Version.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index 4bd4f204dd..9014a13f40 100644
--- a/src/csharp/Grpc.Core/VersionInfo.cs
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Examples.MathClient/MathClient.cs b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
index 64e429ed5a..aadef6833d 100644
--- a/src/csharp/Grpc.Examples.MathClient/MathClient.cs
+++ b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@ namespace Math
         public static void Main(string[] args)
         {
             var channel = new Channel("127.0.0.1", 23456, ChannelCredentials.Insecure);
-            Math.IMathClient client = new Math.MathClient(channel);
+            Math.MathClient client = new Math.MathClient(channel);
             MathExamples.DivExample(client);
 
             MathExamples.DivAsyncExample(client).Wait();
diff --git a/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj b/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
index 9aeab059f9..cfe668b6be 100644
--- a/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
+++ b/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
@@ -3,10 +3,8 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>10.0.0</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.Examples.Tests</RootNamespace>
     <AssemblyName>Grpc.Examples.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
@@ -37,18 +35,19 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System" />
+    <Reference Include="Google.Protobuf">
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
     <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System.Interactive.Async">
       <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -56,6 +55,7 @@
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="MathClientServerTests.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs b/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
index 290d42808e..875202b950 100644
--- a/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
+++ b/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
@@ -149,7 +149,7 @@ namespace Math.Tests
             using (var call = client.Fib(new FibArgs { Limit = 0 }, 
                 deadline: DateTime.UtcNow.AddMilliseconds(500)))
             {
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.ToListAsync());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.ToListAsync());
 
                 // We can't guarantee the status code always DeadlineExceeded. See issue #2685.
                 Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal });
diff --git a/src/csharp/Grpc.Examples.Tests/NUnitMain.cs b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
new file mode 100644
index 0000000000..ea87802766
--- /dev/null
+++ b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.Examples.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Examples.Tests/packages.config b/src/csharp/Grpc.Examples.Tests/packages.config
index ed30d2d428..ce030f9d77 100644
--- a/src/csharp/Grpc.Examples.Tests/packages.config
+++ b/src/csharp/Grpc.Examples.Tests/packages.config
@@ -1,6 +1,7 @@
-<?xml version="1.0" encoding="utf-8"?>

-<packages>

-  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />

-  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />

-  <package id="NUnit" version="2.6.4" targetFramework="net45" />

+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Examples/Grpc.Examples.csproj b/src/csharp/Grpc.Examples/Grpc.Examples.csproj
index 15b04c8d8b..f0a0aa3a26 100644
--- a/src/csharp/Grpc.Examples/Grpc.Examples.csproj
+++ b/src/csharp/Grpc.Examples/Grpc.Examples.csproj
@@ -41,6 +41,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data.Linq" />
     <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
diff --git a/src/csharp/Grpc.Examples/MathExamples.cs b/src/csharp/Grpc.Examples/MathExamples.cs
index 8009ccbbfa..6075420974 100644
--- a/src/csharp/Grpc.Examples/MathExamples.cs
+++ b/src/csharp/Grpc.Examples/MathExamples.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -38,19 +38,19 @@ namespace Math
 {
     public static class MathExamples
     {
-        public static void DivExample(Math.IMathClient client)
+        public static void DivExample(Math.MathClient client)
         {
             DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
             Console.WriteLine("Div Result: " + result);
         }
 
-        public static async Task DivAsyncExample(Math.IMathClient client)
+        public static async Task DivAsyncExample(Math.MathClient client)
         {
             DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
             Console.WriteLine("DivAsync Result: " + result);
         }
 
-        public static async Task FibExample(Math.IMathClient client)
+        public static async Task FibExample(Math.MathClient client)
         {
             using (var call = client.Fib(new FibArgs { Limit = 5 }))
             {
@@ -59,7 +59,7 @@ namespace Math
             }
         }
 
-        public static async Task SumExample(Math.IMathClient client)
+        public static async Task SumExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
@@ -75,7 +75,7 @@ namespace Math
             }
         }
 
-        public static async Task DivManyExample(Math.IMathClient client)
+        public static async Task DivManyExample(Math.MathClient client)
         {
             var divArgsList = new List<DivArgs>
             {
@@ -90,7 +90,7 @@ namespace Math
             }
         }
 
-        public static async Task DependendRequestsExample(Math.IMathClient client)
+        public static async Task DependendRequestsExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
diff --git a/src/csharp/Grpc.Examples/MathGrpc.cs b/src/csharp/Grpc.Examples/MathGrpc.cs
index a6e878d0f4..f3bb0d1cdc 100644
--- a/src/csharp/Grpc.Examples/MathGrpc.cs
+++ b/src/csharp/Grpc.Examples/MathGrpc.cs
@@ -52,6 +52,7 @@ namespace Math {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IMathClient
     {
       global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -67,6 +68,7 @@ namespace Math {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IMath
     {
       Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context);
@@ -75,61 +77,92 @@ namespace Math {
       Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class MathBase
+    {
+      public virtual Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task DivMany(IAsyncStreamReader<global::Math.DivArgs> requestStream, IServerStreamWriter<global::Math.DivReply> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task Fib(global::Math.FibArgs request, IServerStreamWriter<global::Math.Num> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class MathClient : ClientBase, IMathClient
+    public class MathClient : ClientBase<MathClient>, IMathClient
     {
       public MathClient(Channel channel) : base(channel)
       {
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public MathClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected MathClient() : base()
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected MathClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
+
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Div(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_DivMany, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.BlockingUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_DivMany, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return DivAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_Fib, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Fib, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return DivMany(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
       {
-        var call = CreateCall(__Method_Sum, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_DivMany, null, options);
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Sum, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return Fib(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      {
+        return CallInvoker.AsyncServerStreamingCall(__Method_Fib, null, options, request);
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return Sum(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      {
+        return CallInvoker.AsyncClientStreamingCall(__Method_Sum, null, options);
+      }
+      protected override MathClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new MathClient(configuration);
       }
     }
 
@@ -143,6 +176,16 @@ namespace Math {
           .AddMethod(__Method_Sum, serviceImpl.Sum).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(MathBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Div, serviceImpl.Div)
+          .AddMethod(__Method_DivMany, serviceImpl.DivMany)
+          .AddMethod(__Method_Fib, serviceImpl.Fib)
+          .AddMethod(__Method_Sum, serviceImpl.Sum).Build();
+    }
+
     // creates a new client
     public static MathClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.Examples/MathServiceImpl.cs b/src/csharp/Grpc.Examples/MathServiceImpl.cs
index 71dc655e46..79c56e57a8 100644
--- a/src/csharp/Grpc.Examples/MathServiceImpl.cs
+++ b/src/csharp/Grpc.Examples/MathServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,14 @@ namespace Math
     /// <summary>
     /// Implementation of MathService server
     /// </summary>
-    public class MathServiceImpl : Math.IMath
+    public class MathServiceImpl : Math.MathBase
     {
-        public Task<DivReply> Div(DivArgs request, ServerCallContext context)
+        public override Task<DivReply> Div(DivArgs request, ServerCallContext context)
         {
             return Task.FromResult(DivInternal(request));
         }
 
-        public async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
+        public override async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
         {
             if (request.Limit <= 0)
             {
@@ -72,7 +72,7 @@ namespace Math
             }
         }
 
-        public async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
+        public override async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
         {
             long sum = 0;
             await requestStream.ForEachAsync(async num =>
@@ -82,7 +82,7 @@ namespace Math
             return new Num { Num_ = sum };
         }
 
-        public async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
+        public override async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async divArgs => await responseStream.WriteAsync(DivInternal(divArgs)));
         }
diff --git a/src/csharp/Grpc.Examples/packages.config b/src/csharp/Grpc.Examples/packages.config
index dfb8304ad1..a424cd2ea0 100644
--- a/src/csharp/Grpc.Examples/packages.config
+++ b/src/csharp/Grpc.Examples/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
index bb6488b4f1..0bea9c03e7 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
+++ b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Grpc.HealthCheck.Tests</RootNamespace>
     <AssemblyName>Grpc.HealthCheck.Tests</AssemblyName>
@@ -37,13 +37,6 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
-    </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -51,6 +44,15 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
+    <Reference Include="Google.Protobuf">
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -59,14 +61,15 @@
     <Compile Include="HealthServiceImplTest.cs" />
     <Compile Include="HealthClientServerTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{ccc4440e-49f7-4790-b0af-feabb0837ae7}</Project>
+      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
       <Name>Grpc.Core</Name>
     </ProjectReference>
     <ProjectReference Include="..\Grpc.HealthCheck\Grpc.HealthCheck.csproj">
-      <Project>{aa5e328a-8835-49d7-98ed-c29f2b3049f0}</Project>
+      <Project>{AA5E328A-8835-49D7-98ED-C29F2B3049F0}</Project>
       <Name>Grpc.HealthCheck</Name>
     </ProjectReference>
   </ItemGroup>
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
index a8a76c7492..fb292945a6 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Grpc.Core;
-using Grpc.Health.V1Alpha;
+using Grpc.Health.V1;
 using NUnit.Framework;
 
 namespace Grpc.HealthCheck.Tests
@@ -49,7 +49,7 @@ namespace Grpc.HealthCheck.Tests
         const string Host = "localhost";
         Server server;
         Channel channel;
-        Grpc.Health.V1Alpha.Health.IHealthClient client;
+        Grpc.Health.V1.Health.HealthClient client;
         Grpc.HealthCheck.HealthServiceImpl serviceImpl;
 
         [TestFixtureSetUp]
@@ -59,13 +59,13 @@ namespace Grpc.HealthCheck.Tests
 
             server = new Server
             {
-                Services = { Grpc.Health.V1Alpha.Health.BindService(serviceImpl) },
+                Services = { Grpc.Health.V1.Health.BindService(serviceImpl) },
                 Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } }
             };
             server.Start();
             channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
 
-            client = Grpc.Health.V1Alpha.Health.NewClient(channel);
+            client = Grpc.Health.V1.Health.NewClient(channel);
         }
 
         [TestFixtureTearDown]
@@ -79,16 +79,16 @@ namespace Grpc.HealthCheck.Tests
         [Test]
         public void ServiceIsRunning()
         {
-            serviceImpl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+            serviceImpl.SetStatus("", HealthCheckResponse.Types.ServingStatus.SERVING);
 
-            var response = client.Check(new HealthCheckRequest { Host = "", Service = "" });
+            var response = client.Check(new HealthCheckRequest { Service = "" });
             Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, response.Status);
         }
 
         [Test]
         public void ServiceDoesntExist()
         {
-            Assert.Throws(Is.TypeOf(typeof(RpcException)).And.Property("Status").Property("StatusCode").EqualTo(StatusCode.NotFound), () => client.Check(new HealthCheckRequest { Host = "", Service = "nonexistent.service" }));
+            Assert.Throws(Is.TypeOf(typeof(RpcException)).And.Property("Status").Property("StatusCode").EqualTo(StatusCode.NotFound), () => client.Check(new HealthCheckRequest { Service = "nonexistent.service" }));
         }
 
         // TODO(jtattermusch): add test with timeout once timeouts are supported
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
index 2097c0dc8c..a4b79e3a7d 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
@@ -36,7 +36,7 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Grpc.Core;
-using Grpc.Health.V1Alpha;
+using Grpc.Health.V1;
 using NUnit.Framework;
 
 namespace Grpc.HealthCheck.Tests
@@ -50,58 +50,56 @@ namespace Grpc.HealthCheck.Tests
         public void SetStatus()
         {
             var impl = new HealthServiceImpl();
-            impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
-            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, "", ""));
+            impl.SetStatus("", HealthCheckResponse.Types.ServingStatus.SERVING);
+            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, ""));
 
-            impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.NOT_SERVING);
-            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.NOT_SERVING, GetStatusHelper(impl, "", ""));
+            impl.SetStatus("", HealthCheckResponse.Types.ServingStatus.NOT_SERVING);
+            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.NOT_SERVING, GetStatusHelper(impl, ""));
 
-            impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
-            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, "virtual-host", ""));
+            impl.SetStatus("", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, ""));
 
-            impl.SetStatus("virtual-host", "grpc.test.TestService", HealthCheckResponse.Types.ServingStatus.SERVING);
-            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, "virtual-host", "grpc.test.TestService"));
+            impl.SetStatus("grpc.test.TestService", HealthCheckResponse.Types.ServingStatus.SERVING);
+            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, "grpc.test.TestService"));
         }
 
         [Test]
         public void ClearStatus()
         {
             var impl = new HealthServiceImpl();
-            impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
-            impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+            impl.SetStatus("", HealthCheckResponse.Types.ServingStatus.SERVING);
+            impl.SetStatus("grpc.test.TestService", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
 
-            impl.ClearStatus("", "");
+            impl.ClearStatus("");
 
-            Assert.Throws(Is.TypeOf(typeof(RpcException)).And.Property("Status").Property("StatusCode").EqualTo(StatusCode.NotFound), () => GetStatusHelper(impl, "", ""));
-            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, "virtual-host", ""));
+            Assert.Throws(Is.TypeOf(typeof(RpcException)).And.Property("Status").Property("StatusCode").EqualTo(StatusCode.NotFound), () => GetStatusHelper(impl, ""));
+            Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, "grpc.test.TestService"));
         }
 
         [Test]
         public void ClearAll()
         {
             var impl = new HealthServiceImpl();
-            impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
-            impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+            impl.SetStatus("", HealthCheckResponse.Types.ServingStatus.SERVING);
+            impl.SetStatus("grpc.test.TestService", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
 
             impl.ClearAll();
-            Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, "", ""));
-            Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, "virtual-host", ""));
+            Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, ""));
+            Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, "grpc.test.TestService"));
         }
 
         [Test]
         public void NullsRejected()
         {
             var impl = new HealthServiceImpl();
-            Assert.Throws(typeof(ArgumentNullException), () => impl.SetStatus(null, "", HealthCheckResponse.Types.ServingStatus.SERVING));
-            Assert.Throws(typeof(ArgumentNullException), () => impl.SetStatus("", null, HealthCheckResponse.Types.ServingStatus.SERVING));
+            Assert.Throws(typeof(ArgumentNullException), () => impl.SetStatus(null, HealthCheckResponse.Types.ServingStatus.SERVING));
 
-            Assert.Throws(typeof(ArgumentNullException), () => impl.ClearStatus(null, ""));
-            Assert.Throws(typeof(ArgumentNullException), () => impl.ClearStatus("", null));
+            Assert.Throws(typeof(ArgumentNullException), () => impl.ClearStatus(null));
         }
 
-        private static HealthCheckResponse.Types.ServingStatus GetStatusHelper(HealthServiceImpl impl, string host, string service)
+        private static HealthCheckResponse.Types.ServingStatus GetStatusHelper(HealthServiceImpl impl, string service)
         {
-            return impl.Check(new HealthCheckRequest { Host = host, Service = service }, null).Result.Status;
+            return impl.Check(new HealthCheckRequest { Service = service }, null).Result.Status;
         }
     }
 }
diff --git a/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
new file mode 100644
index 0000000000..0820523f35
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.HealthCheck.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.HealthCheck.Tests/packages.config b/src/csharp/Grpc.HealthCheck.Tests/packages.config
index 4728093979..8066d8fceb 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/packages.config
+++ b/src/csharp/Grpc.HealthCheck.Tests/packages.config
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec
index 66386288df..7b3b391009 100644
--- a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec
+++ b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec
@@ -4,7 +4,7 @@
     <id>Grpc.HealthCheck</id>
     <title>gRPC C# Healthchecking</title>
     <summary>Implementation of gRPC health service</summary>
-    <description>Example implementation of grpc.health.v1alpha service that can be used for health-checking.</description>
+    <description>Example implementation of grpc.health.v1 service that can be used for health-checking.</description>
     <version>$version$</version>
     <authors>Google Inc.</authors>
     <owners>grpc-packages</owners>
diff --git a/src/csharp/Grpc.HealthCheck/Health.cs b/src/csharp/Grpc.HealthCheck/Health.cs
index 56673f1adf..d0d0c0b519 100644
--- a/src/csharp/Grpc.HealthCheck/Health.cs
+++ b/src/csharp/Grpc.HealthCheck/Health.cs
@@ -7,7 +7,7 @@ using pb = global::Google.Protobuf;
 using pbc = global::Google.Protobuf.Collections;
 using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
-namespace Grpc.Health.V1Alpha {
+namespace Grpc.Health.V1 {
 
   /// <summary>Holder for reflection information generated from health.proto</summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
@@ -23,20 +23,19 @@ namespace Grpc.Health.V1Alpha {
     static HealthReflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "CgxoZWFsdGgucHJvdG8SE2dycGMuaGVhbHRoLnYxYWxwaGEiMwoSSGVhbHRo",
-            "Q2hlY2tSZXF1ZXN0EgwKBGhvc3QYASABKAkSDwoHc2VydmljZRgCIAEoCSKZ",
-            "AQoTSGVhbHRoQ2hlY2tSZXNwb25zZRJGCgZzdGF0dXMYASABKA4yNi5ncnBj",
-            "LmhlYWx0aC52MWFscGhhLkhlYWx0aENoZWNrUmVzcG9uc2UuU2VydmluZ1N0",
-            "YXR1cyI6Cg1TZXJ2aW5nU3RhdHVzEgsKB1VOS05PV04QABILCgdTRVJWSU5H",
-            "EAESDwoLTk9UX1NFUlZJTkcQAjJkCgZIZWFsdGgSWgoFQ2hlY2sSJy5ncnBj",
-            "LmhlYWx0aC52MWFscGhhLkhlYWx0aENoZWNrUmVxdWVzdBooLmdycGMuaGVh",
-            "bHRoLnYxYWxwaGEuSGVhbHRoQ2hlY2tSZXNwb25zZUIWqgITR3JwYy5IZWFs",
-            "dGguVjFBbHBoYWIGcHJvdG8z"));
+            "CgxoZWFsdGgucHJvdG8SDmdycGMuaGVhbHRoLnYxIiUKEkhlYWx0aENoZWNr",
+            "UmVxdWVzdBIPCgdzZXJ2aWNlGAEgASgJIpQBChNIZWFsdGhDaGVja1Jlc3Bv",
+            "bnNlEkEKBnN0YXR1cxgBIAEoDjIxLmdycGMuaGVhbHRoLnYxLkhlYWx0aENo",
+            "ZWNrUmVzcG9uc2UuU2VydmluZ1N0YXR1cyI6Cg1TZXJ2aW5nU3RhdHVzEgsK",
+            "B1VOS05PV04QABILCgdTRVJWSU5HEAESDwoLTk9UX1NFUlZJTkcQAjJaCgZI",
+            "ZWFsdGgSUAoFQ2hlY2sSIi5ncnBjLmhlYWx0aC52MS5IZWFsdGhDaGVja1Jl",
+            "cXVlc3QaIy5ncnBjLmhlYWx0aC52MS5IZWFsdGhDaGVja1Jlc3BvbnNlQhGq",
+            "Ag5HcnBjLkhlYWx0aC5WMWIGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Health.V1Alpha.HealthCheckRequest), global::Grpc.Health.V1Alpha.HealthCheckRequest.Parser, new[]{ "Host", "Service" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Health.V1Alpha.HealthCheckResponse), global::Grpc.Health.V1Alpha.HealthCheckResponse.Parser, new[]{ "Status" }, null, new[]{ typeof(global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus) }, null)
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Health.V1.HealthCheckRequest), global::Grpc.Health.V1.HealthCheckRequest.Parser, new[]{ "Service" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Health.V1.HealthCheckResponse), global::Grpc.Health.V1.HealthCheckResponse.Parser, new[]{ "Status" }, null, new[]{ typeof(global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus) }, null)
           }));
     }
     #endregion
@@ -49,7 +48,7 @@ namespace Grpc.Health.V1Alpha {
     public static pb::MessageParser<HealthCheckRequest> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Health.V1Alpha.HealthReflection.Descriptor.MessageTypes[0]; }
+      get { return global::Grpc.Health.V1.HealthReflection.Descriptor.MessageTypes[0]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -63,7 +62,6 @@ namespace Grpc.Health.V1Alpha {
     partial void OnConstruction();
 
     public HealthCheckRequest(HealthCheckRequest other) : this() {
-      host_ = other.host_;
       service_ = other.service_;
     }
 
@@ -71,18 +69,8 @@ namespace Grpc.Health.V1Alpha {
       return new HealthCheckRequest(this);
     }
 
-    /// <summary>Field number for the "host" field.</summary>
-    public const int HostFieldNumber = 1;
-    private string host_ = "";
-    public string Host {
-      get { return host_; }
-      set {
-        host_ = pb::Preconditions.CheckNotNull(value, "value");
-      }
-    }
-
     /// <summary>Field number for the "service" field.</summary>
-    public const int ServiceFieldNumber = 2;
+    public const int ServiceFieldNumber = 1;
     private string service_ = "";
     public string Service {
       get { return service_; }
@@ -102,14 +90,12 @@ namespace Grpc.Health.V1Alpha {
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (Host != other.Host) return false;
       if (Service != other.Service) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (Host.Length != 0) hash ^= Host.GetHashCode();
       if (Service.Length != 0) hash ^= Service.GetHashCode();
       return hash;
     }
@@ -119,21 +105,14 @@ namespace Grpc.Health.V1Alpha {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (Host.Length != 0) {
-        output.WriteRawTag(10);
-        output.WriteString(Host);
-      }
       if (Service.Length != 0) {
-        output.WriteRawTag(18);
+        output.WriteRawTag(10);
         output.WriteString(Service);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (Host.Length != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeStringSize(Host);
-      }
       if (Service.Length != 0) {
         size += 1 + pb::CodedOutputStream.ComputeStringSize(Service);
       }
@@ -144,9 +123,6 @@ namespace Grpc.Health.V1Alpha {
       if (other == null) {
         return;
       }
-      if (other.Host.Length != 0) {
-        Host = other.Host;
-      }
       if (other.Service.Length != 0) {
         Service = other.Service;
       }
@@ -160,10 +136,6 @@ namespace Grpc.Health.V1Alpha {
             input.SkipLastField();
             break;
           case 10: {
-            Host = input.ReadString();
-            break;
-          }
-          case 18: {
             Service = input.ReadString();
             break;
           }
@@ -179,7 +151,7 @@ namespace Grpc.Health.V1Alpha {
     public static pb::MessageParser<HealthCheckResponse> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Health.V1Alpha.HealthReflection.Descriptor.MessageTypes[1]; }
+      get { return global::Grpc.Health.V1.HealthReflection.Descriptor.MessageTypes[1]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
@@ -202,8 +174,8 @@ namespace Grpc.Health.V1Alpha {
 
     /// <summary>Field number for the "status" field.</summary>
     public const int StatusFieldNumber = 1;
-    private global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus status_ = global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN;
-    public global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus Status {
+    private global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus status_ = global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus.UNKNOWN;
+    public global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus Status {
       get { return status_; }
       set {
         status_ = value;
@@ -227,7 +199,7 @@ namespace Grpc.Health.V1Alpha {
 
     public override int GetHashCode() {
       int hash = 1;
-      if (Status != global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN) hash ^= Status.GetHashCode();
+      if (Status != global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus.UNKNOWN) hash ^= Status.GetHashCode();
       return hash;
     }
 
@@ -236,7 +208,7 @@ namespace Grpc.Health.V1Alpha {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (Status != global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
+      if (Status != global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
         output.WriteRawTag(8);
         output.WriteEnum((int) Status);
       }
@@ -244,7 +216,7 @@ namespace Grpc.Health.V1Alpha {
 
     public int CalculateSize() {
       int size = 0;
-      if (Status != global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
+      if (Status != global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
         size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) Status);
       }
       return size;
@@ -254,7 +226,7 @@ namespace Grpc.Health.V1Alpha {
       if (other == null) {
         return;
       }
-      if (other.Status != global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
+      if (other.Status != global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus.UNKNOWN) {
         Status = other.Status;
       }
     }
@@ -267,7 +239,7 @@ namespace Grpc.Health.V1Alpha {
             input.SkipLastField();
             break;
           case 8: {
-            status_ = (global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus) input.ReadEnum();
+            status_ = (global::Grpc.Health.V1.HealthCheckResponse.Types.ServingStatus) input.ReadEnum();
             break;
           }
         }
diff --git a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
index 882edd5627..72e11cca3a 100644
--- a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
@@ -7,15 +7,15 @@ using System.Threading;
 using System.Threading.Tasks;
 using Grpc.Core;
 
-namespace Grpc.Health.V1Alpha {
+namespace Grpc.Health.V1 {
   public static class Health
   {
-    static readonly string __ServiceName = "grpc.health.v1alpha.Health";
+    static readonly string __ServiceName = "grpc.health.v1.Health";
 
-    static readonly Marshaller<global::Grpc.Health.V1Alpha.HealthCheckRequest> __Marshaller_HealthCheckRequest = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Health.V1Alpha.HealthCheckRequest.Parser.ParseFrom);
-    static readonly Marshaller<global::Grpc.Health.V1Alpha.HealthCheckResponse> __Marshaller_HealthCheckResponse = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Health.V1Alpha.HealthCheckResponse.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Health.V1.HealthCheckRequest> __Marshaller_HealthCheckRequest = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Health.V1.HealthCheckRequest.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Health.V1.HealthCheckResponse> __Marshaller_HealthCheckResponse = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Health.V1.HealthCheckResponse.Parser.ParseFrom);
 
-    static readonly Method<global::Grpc.Health.V1Alpha.HealthCheckRequest, global::Grpc.Health.V1Alpha.HealthCheckResponse> __Method_Check = new Method<global::Grpc.Health.V1Alpha.HealthCheckRequest, global::Grpc.Health.V1Alpha.HealthCheckResponse>(
+    static readonly Method<global::Grpc.Health.V1.HealthCheckRequest, global::Grpc.Health.V1.HealthCheckResponse> __Method_Check = new Method<global::Grpc.Health.V1.HealthCheckRequest, global::Grpc.Health.V1.HealthCheckResponse>(
         MethodType.Unary,
         __ServiceName,
         "Check",
@@ -25,49 +25,73 @@ namespace Grpc.Health.V1Alpha {
     // service descriptor
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
-      get { return global::Grpc.Health.V1Alpha.HealthReflection.Descriptor.Services[0]; }
+      get { return global::Grpc.Health.V1.HealthReflection.Descriptor.Services[0]; }
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IHealthClient
     {
-      global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
-      global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CallOptions options);
-      AsyncUnaryCall<global::Grpc.Health.V1Alpha.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
-      AsyncUnaryCall<global::Grpc.Health.V1Alpha.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CallOptions options);
+      global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options);
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IHealth
     {
-      Task<global::Grpc.Health.V1Alpha.HealthCheckResponse> Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, ServerCallContext context);
+      Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context);
+    }
+
+    // server-side abstract class
+    public abstract class HealthBase
+    {
+      public virtual Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
     }
 
     // client stub
-    public class HealthClient : ClientBase, IHealthClient
+    public class HealthClient : ClientBase<HealthClient>, IHealthClient
     {
       public HealthClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public HealthClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected HealthClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected HealthClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return Check(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1Alpha.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Check, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1Alpha.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CheckAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Check, null, options, request);
+      }
+      protected override HealthClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new HealthClient(configuration);
       }
     }
 
@@ -78,6 +102,13 @@ namespace Grpc.Health.V1Alpha {
           .AddMethod(__Method_Check, serviceImpl.Check).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(HealthBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Check, serviceImpl.Check).Build();
+    }
+
     // creates a new client
     public static HealthClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
index 26c6445c35..d0406ece00 100644
--- a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
@@ -37,7 +37,7 @@ using System.Threading.Tasks;
 
 using Grpc.Core;
 using Grpc.Core.Utils;
-using Grpc.Health.V1Alpha;
+using Grpc.Health.V1;
 
 namespace Grpc.HealthCheck
 {
@@ -48,44 +48,42 @@ namespace Grpc.HealthCheck
     /// <code>
     /// var serviceImpl = new HealthServiceImpl();
     /// server = new Server();
-    /// server.AddServiceDefinition(Grpc.Health.V1Alpha.Health.BindService(serviceImpl));
+    /// server.AddServiceDefinition(Grpc.Health.V1.Health.BindService(serviceImpl));
     /// </code>
     /// </summary>
-    public class HealthServiceImpl : Grpc.Health.V1Alpha.Health.IHealth
+    public class HealthServiceImpl : Grpc.Health.V1.Health.HealthBase
     {
         private readonly object myLock = new object();
-        private readonly Dictionary<Key, HealthCheckResponse.Types.ServingStatus> statusMap = 
-            new Dictionary<Key, HealthCheckResponse.Types.ServingStatus>();
+        private readonly Dictionary<string, HealthCheckResponse.Types.ServingStatus> statusMap = 
+            new Dictionary<string, HealthCheckResponse.Types.ServingStatus>();
 
         /// <summary>
-        /// Sets the health status for given host and service.
+        /// Sets the health status for given service.
         /// </summary>
-        /// <param name="host">The host. Cannot be null.</param>
         /// <param name="service">The service. Cannot be null.</param>
         /// <param name="status">the health status</param>
-        public void SetStatus(string host, string service, HealthCheckResponse.Types.ServingStatus status)
+        public void SetStatus(string service, HealthCheckResponse.Types.ServingStatus status)
         {
             lock (myLock)
             {
-                statusMap[CreateKey(host, service)] = status;
+                statusMap[service] = status;
             }
         }
 
         /// <summary>
-        /// Clears health status for given host and service.
+        /// Clears health status for given service.
         /// </summary>
-        /// <param name="host">The host. Cannot be null.</param>
         /// <param name="service">The service. Cannot be null.</param>
-        public void ClearStatus(string host, string service)
+        public void ClearStatus(string service)
         {
             lock (myLock)
             {
-                statusMap.Remove(CreateKey(host, service));
+                statusMap.Remove(service);
             }
         }
         
         /// <summary>
-        /// Clears statuses for all hosts and services.
+        /// Clears statuses for all services.
         /// </summary>
         public void ClearAll()
         {
@@ -101,15 +99,14 @@ namespace Grpc.HealthCheck
         /// <param name="request">The check request.</param>
         /// <param name="context">The call context.</param>
         /// <returns>The asynchronous response.</returns>
-        public Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
+        public override Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
         {
             lock (myLock)
             {
-                var host = request.Host;
                 var service = request.Service;
 
                 HealthCheckResponse.Types.ServingStatus status;
-                if (!statusMap.TryGetValue(CreateKey(host, service), out status))
+                if (!statusMap.TryGetValue(service, out status))
                 {
                     // TODO(jtattermusch): returning specific status from server handler is not supported yet.
                     throw new RpcException(new Status(StatusCode.NotFound, ""));
@@ -117,22 +114,5 @@ namespace Grpc.HealthCheck
                 return Task.FromResult(new HealthCheckResponse { Status = status });
             }
         }
-
-        private static Key CreateKey(string host, string service)
-        {
-            return new Key(host, service);
-        }
-
-        private struct Key
-        {
-            public Key(string host, string service)
-            {
-                this.Host = Preconditions.CheckNotNull(host);
-                this.Service = Preconditions.CheckNotNull(service);
-            }
-
-            readonly string Host;
-            readonly string Service;
-        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
index f37c1464c3..339a754c02 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.IntegrationTesting.Client</AssemblyName>
     <StartupObject>Grpc.IntegrationTesting.Client.Program</StartupObject>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>6d22e68f</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>dfa56e6c</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -43,28 +43,17 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -73,12 +62,6 @@
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <ItemGroup>
@@ -100,14 +83,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/app.config b/src/csharp/Grpc.IntegrationTesting.Client/app.config
deleted file mode 100644
index 84d7534d65..0000000000
--- a/src/csharp/Grpc.IntegrationTesting.Client/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/packages.config b/src/csharp/Grpc.IntegrationTesting.Client/packages.config
index 5fe8ca616c..c20d9ceed6 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting.Client/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config b/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
index 940d25cae3..e204447bb3 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
@@ -6,6 +6,10 @@
         <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.11.1.0" newVersion="1.11.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
index f27b96a53f..27a5650308 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.IntegrationTesting.Server</AssemblyName>
     <StartupObject>Grpc.IntegrationTesting.Server.Program</StartupObject>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>d9ee8e52</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>7ceb739e</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -43,28 +43,17 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -73,12 +62,6 @@
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <ItemGroup>
@@ -100,14 +83,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/app.config b/src/csharp/Grpc.IntegrationTesting.Server/app.config
deleted file mode 100644
index 84d7534d65..0000000000
--- a/src/csharp/Grpc.IntegrationTesting.Server/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/packages.config b/src/csharp/Grpc.IntegrationTesting.Server/packages.config
index 5fe8ca616c..c20d9ceed6 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting.Server/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
index 47a15224f1..07f2703d4a 100644
--- a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -44,26 +44,23 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of BenchmarkService server
     /// </summary>
-    public class BenchmarkServiceImpl : BenchmarkService.IBenchmarkService
+    public class BenchmarkServiceImpl : BenchmarkService.BenchmarkServiceBase
     {
-        private readonly int responseSize;
-
-        public BenchmarkServiceImpl(int responseSize)
+        public BenchmarkServiceImpl()
         {
-            this.responseSize = responseSize;
         }
 
-        public Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
-            var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+            var response = new SimpleResponse { Payload = CreateZerosPayload(request.ResponseSize) };
             return Task.FromResult(response);
         }
 
-        public async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async request =>
             {
-                var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+                var response = new SimpleResponse { Payload = CreateZerosPayload(request.ResponseSize) };
                 await responseStream.WriteAsync(response);
             });
         }
diff --git a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
index e9e659cb1f..b4572756f2 100644
--- a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
@@ -41,6 +41,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Google.Protobuf;
 using Grpc.Core;
+using Grpc.Core.Logging;
 using Grpc.Core.Utils;
 using NUnit.Framework;
 using Grpc.Testing;
@@ -50,58 +51,101 @@ namespace Grpc.IntegrationTesting
     /// <summary>
     /// Helper methods to start client runners for performance testing.
     /// </summary>
-    public static class ClientRunners
+    public class ClientRunners
     {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<ClientRunners>();
+
         /// <summary>
         /// Creates a started client runner.
         /// </summary>
         public static IClientRunner CreateStarted(ClientConfig config)
         {
-            string target = config.ServerTargets.Single();
-            Grpc.Core.Utils.Preconditions.CheckArgument(config.LoadParams.LoadCase == LoadParams.LoadOneofCase.ClosedLoop);
+            Logger.Debug("ClientConfig: {0}", config);
+
+            if (config.AsyncClientThreads != 0)
+            {
+                Logger.Warning("ClientConfig.AsyncClientThreads is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreLimit != 0)
+            {
+                Logger.Warning("ClientConfig.CoreLimit is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreList.Count > 0)
+            {
+                Logger.Warning("ClientConfig.CoreList is not supported for C#. Ignoring the value");
+            }
+
+            var channels = CreateChannels(config.ClientChannels, config.ServerTargets, config.SecurityParams);
+
+            return new ClientRunnerImpl(channels,
+                config.ClientType,
+                config.RpcType,
+                config.OutstandingRpcsPerChannel,
+                config.LoadParams,
+                config.PayloadConfig,
+                config.HistogramParams);
+        }
 
-            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
-            var channel = new Channel(target, credentials);
+        private static List<Channel> CreateChannels(int clientChannels, IEnumerable<string> serverTargets, SecurityParams securityParams)
+        {
+            GrpcPreconditions.CheckArgument(clientChannels > 0, "clientChannels needs to be at least 1.");
+            GrpcPreconditions.CheckArgument(serverTargets.Count() > 0, "at least one serverTarget needs to be specified.");
 
-            switch (config.RpcType)
+            var credentials = securityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
+            List<ChannelOption> channelOptions = null;
+            if (securityParams != null && securityParams.ServerHostOverride != "")
             {
-                case RpcType.UNARY:
-                    return new SyncUnaryClientRunner(channel,
-                        config.PayloadConfig.SimpleParams.ReqSize,
-                        config.HistogramParams);
+                channelOptions = new List<ChannelOption>
+                {
+                    new ChannelOption(ChannelOptions.SslTargetNameOverride, securityParams.ServerHostOverride)
+                };
+            }
 
-                case RpcType.STREAMING:
-                default:
-                    throw new ArgumentException("Unsupported RpcType.");
+            var result = new List<Channel>();
+            for (int i = 0; i < clientChannels; i++)
+            {
+                var target = serverTargets.ElementAt(i % serverTargets.Count());
+                var channel = new Channel(target, credentials, channelOptions);
+                result.Add(channel);
             }
+            return result;
         }
     }
 
-    /// <summary>
-    /// Client that starts synchronous unary calls in a closed loop.
-    /// </summary>
-    public class SyncUnaryClientRunner : IClientRunner
+    public class ClientRunnerImpl : IClientRunner
     {
         const double SecondsToNanos = 1e9;
 
-        readonly Channel channel;
-        readonly int payloadSize;
+        readonly List<Channel> channels;
+        readonly ClientType clientType;
+        readonly RpcType rpcType;
+        readonly PayloadConfig payloadConfig;
         readonly Histogram histogram;
 
-        readonly BenchmarkService.IBenchmarkServiceClient client;
-        readonly Task runnerTask;
-        readonly CancellationTokenSource stoppedCts;
+        readonly List<Task> runnerTasks;
+        readonly CancellationTokenSource stoppedCts = new CancellationTokenSource();
         readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
         
-        public SyncUnaryClientRunner(Channel channel, int payloadSize, HistogramParams histogramParams)
+        public ClientRunnerImpl(List<Channel> channels, ClientType clientType, RpcType rpcType, int outstandingRpcsPerChannel, LoadParams loadParams, PayloadConfig payloadConfig, HistogramParams histogramParams)
         {
-            this.channel = Grpc.Core.Utils.Preconditions.CheckNotNull(channel);
-            this.payloadSize = payloadSize;
+            GrpcPreconditions.CheckArgument(outstandingRpcsPerChannel > 0, "outstandingRpcsPerChannel");
+            GrpcPreconditions.CheckNotNull(histogramParams, "histogramParams");
+            this.channels = new List<Channel>(channels);
+            this.clientType = clientType;
+            this.rpcType = rpcType;
+            this.payloadConfig = payloadConfig;
             this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
 
-            this.stoppedCts = new CancellationTokenSource();
-            this.client = BenchmarkService.NewClient(channel);
-            this.runnerTask = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+            this.runnerTasks = new List<Task>();
+            foreach (var channel in this.channels)
+            {
+                for (int i = 0; i < outstandingRpcsPerChannel; i++)
+                {
+                    var timer = CreateTimer(loadParams, 1.0 / this.channels.Count / outstandingRpcsPerChannel);
+                    var threadBody = GetThreadBody(channel, timer);
+                    this.runnerTasks.Add(Task.Factory.StartNew(threadBody, TaskCreationOptions.LongRunning));
+                }
+            }
         }
 
         public ClientStats GetStats(bool reset)
@@ -122,16 +166,20 @@ namespace Grpc.IntegrationTesting
         public async Task StopAsync()
         {
             stoppedCts.Cancel();
-            await runnerTask;
-            await channel.ShutdownAsync();
+            foreach (var runnerTask in runnerTasks)
+            {
+                await runnerTask;
+            }
+            foreach (var channel in channels)
+            {
+                await channel.ShutdownAsync();
+            }
         }
 
-        private void Run()
+        private void RunUnary(Channel channel, IInterarrivalTimer timer)
         {
-            var request = new SimpleRequest
-            {
-                Payload = CreateZerosPayload(payloadSize)
-            };
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
             var stopwatch = new Stopwatch();
 
             while (!stoppedCts.Token.IsCancellationRequested)
@@ -142,12 +190,153 @@ namespace Grpc.IntegrationTesting
 
                 // spec requires data point in nanoseconds.
                 histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                timer.WaitForNext();
             }
         }
 
+        private async Task RunUnaryAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
+            var stopwatch = new Stopwatch();
+
+            while (!stoppedCts.Token.IsCancellationRequested)
+            {
+                stopwatch.Restart();
+                await client.UnaryCallAsync(request);
+                stopwatch.Stop();
+
+                // spec requires data point in nanoseconds.
+                histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                await timer.WaitForNextAsync();
+            }
+        }
+
+        private async Task RunStreamingPingPongAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
+            var stopwatch = new Stopwatch();
+
+            using (var call = client.StreamingCall())
+            {
+                while (!stoppedCts.Token.IsCancellationRequested)
+                {
+                    stopwatch.Restart();
+                    await call.RequestStream.WriteAsync(request);
+                    await call.ResponseStream.MoveNext();
+                    stopwatch.Stop();
+
+                    // spec requires data point in nanoseconds.
+                    histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
+                }
+
+                // finish the streaming call
+                await call.RequestStream.CompleteAsync();
+                Assert.IsFalse(await call.ResponseStream.MoveNext());
+            }
+        }
+
+        private async Task RunGenericStreamingAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var request = CreateByteBufferRequest();
+            var stopwatch = new Stopwatch();
+
+            var callDetails = new CallInvocationDetails<byte[], byte[]>(channel, GenericService.StreamingCallMethod, new CallOptions());
+
+            using (var call = Calls.AsyncDuplexStreamingCall(callDetails))
+            {
+                while (!stoppedCts.Token.IsCancellationRequested)
+                {
+                    stopwatch.Restart();
+                    await call.RequestStream.WriteAsync(request);
+                    await call.ResponseStream.MoveNext();
+                    stopwatch.Stop();
+
+                    // spec requires data point in nanoseconds.
+                    histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
+                }
+
+                // finish the streaming call
+                await call.RequestStream.CompleteAsync();
+                Assert.IsFalse(await call.ResponseStream.MoveNext());
+            }
+        }
+
+        private Action GetThreadBody(Channel channel, IInterarrivalTimer timer)
+        {
+            if (payloadConfig.PayloadCase == PayloadConfig.PayloadOneofCase.BytebufParams)
+            {
+                GrpcPreconditions.CheckArgument(clientType == ClientType.ASYNC_CLIENT, "Generic client only supports async API");
+                GrpcPreconditions.CheckArgument(rpcType == RpcType.STREAMING, "Generic client only supports streaming calls");
+                return () =>
+                {
+                    RunGenericStreamingAsync(channel, timer).Wait();
+                };
+            }
+
+            GrpcPreconditions.CheckNotNull(payloadConfig.SimpleParams);
+            if (clientType == ClientType.SYNC_CLIENT)
+            {
+                GrpcPreconditions.CheckArgument(rpcType == RpcType.UNARY, "Sync client can only be used for Unary calls in C#");
+                return () => RunUnary(channel, timer);
+            }
+            else if (clientType == ClientType.ASYNC_CLIENT)
+            {
+                switch (rpcType)
+                {
+                    case RpcType.UNARY:
+                        return () =>
+                        {
+                            RunUnaryAsync(channel, timer).Wait();
+                        };
+                    case RpcType.STREAMING:
+                        return () =>
+                        {
+                            RunStreamingPingPongAsync(channel, timer).Wait();
+                        };
+                }
+            }
+            throw new ArgumentException("Unsupported configuration.");
+        }
+
+        private SimpleRequest CreateSimpleRequest()
+        {
+            GrpcPreconditions.CheckNotNull(payloadConfig.SimpleParams);
+            return new SimpleRequest
+            {
+                Payload = CreateZerosPayload(payloadConfig.SimpleParams.ReqSize),
+                ResponseSize = payloadConfig.SimpleParams.RespSize
+            };
+        }
+
+        private byte[] CreateByteBufferRequest()
+        {
+            return new byte[payloadConfig.BytebufParams.ReqSize];
+        }
+
         private static Payload CreateZerosPayload(int size)
         {
             return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
         }
+
+        private static IInterarrivalTimer CreateTimer(LoadParams loadParams, double loadMultiplier)
+        {
+            switch (loadParams.LoadCase)
+            {
+                case LoadParams.LoadOneofCase.ClosedLoop:
+                    return new ClosedLoopInterarrivalTimer();
+                case LoadParams.LoadOneofCase.Poisson:
+                    return new PoissonInterarrivalTimer(loadParams.Poisson.OfferedLoad * loadMultiplier);
+                default:
+                    throw new ArgumentException("Unknown load type");
+            }
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/Control.cs b/src/csharp/Grpc.IntegrationTesting/Control.cs
index b90243c2bd..291bc75397 100644
--- a/src/csharp/Grpc.IntegrationTesting/Control.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Control.cs
@@ -38,7 +38,7 @@ namespace Grpc.Testing {
             "LmdycGMudGVzdGluZy5EZXRlcm1pbmlzdGljUGFyYW1zSAASLAoGcGFyZXRv",
             "GAUgASgLMhouZ3JwYy50ZXN0aW5nLlBhcmV0b1BhcmFtc0gAQgYKBGxvYWQi",
             "QwoOU2VjdXJpdHlQYXJhbXMSEwoLdXNlX3Rlc3RfY2EYASABKAgSHAoUc2Vy",
-            "dmVyX2hvc3Rfb3ZlcnJpZGUYAiABKAkirwMKDENsaWVudENvbmZpZxIWCg5z",
+            "dmVyX2hvc3Rfb3ZlcnJpZGUYAiABKAki1gMKDENsaWVudENvbmZpZxIWCg5z",
             "ZXJ2ZXJfdGFyZ2V0cxgBIAMoCRItCgtjbGllbnRfdHlwZRgCIAEoDjIYLmdy",
             "cGMudGVzdGluZy5DbGllbnRUeXBlEjUKD3NlY3VyaXR5X3BhcmFtcxgDIAEo",
             "CzIcLmdycGMudGVzdGluZy5TZWN1cml0eVBhcmFtcxIkChxvdXRzdGFuZGlu",
@@ -48,24 +48,27 @@ namespace Grpc.Testing {
             "GAogASgLMhguZ3JwYy50ZXN0aW5nLkxvYWRQYXJhbXMSMwoOcGF5bG9hZF9j",
             "b25maWcYCyABKAsyGy5ncnBjLnRlc3RpbmcuUGF5bG9hZENvbmZpZxI3ChBo",
             "aXN0b2dyYW1fcGFyYW1zGAwgASgLMh0uZ3JwYy50ZXN0aW5nLkhpc3RvZ3Jh",
-            "bVBhcmFtcyI4CgxDbGllbnRTdGF0dXMSKAoFc3RhdHMYASABKAsyGS5ncnBj",
-            "LnRlc3RpbmcuQ2xpZW50U3RhdHMiFQoETWFyaxINCgVyZXNldBgBIAEoCCJo",
-            "CgpDbGllbnRBcmdzEisKBXNldHVwGAEgASgLMhouZ3JwYy50ZXN0aW5nLkNs",
-            "aWVudENvbmZpZ0gAEiIKBG1hcmsYAiABKAsyEi5ncnBjLnRlc3RpbmcuTWFy",
-            "a0gAQgkKB2FyZ3R5cGUi9wEKDFNlcnZlckNvbmZpZxItCgtzZXJ2ZXJfdHlw",
-            "ZRgBIAEoDjIYLmdycGMudGVzdGluZy5TZXJ2ZXJUeXBlEjUKD3NlY3VyaXR5",
-            "X3BhcmFtcxgCIAEoCzIcLmdycGMudGVzdGluZy5TZWN1cml0eVBhcmFtcxIM",
-            "CgRob3N0GAMgASgJEgwKBHBvcnQYBCABKAUSHAoUYXN5bmNfc2VydmVyX3Ro",
-            "cmVhZHMYByABKAUSEgoKY29yZV9saW1pdBgIIAEoBRIzCg5wYXlsb2FkX2Nv",
-            "bmZpZxgJIAEoCzIbLmdycGMudGVzdGluZy5QYXlsb2FkQ29uZmlnImgKClNl",
-            "cnZlckFyZ3MSKwoFc2V0dXAYASABKAsyGi5ncnBjLnRlc3RpbmcuU2VydmVy",
-            "Q29uZmlnSAASIgoEbWFyaxgCIAEoCzISLmdycGMudGVzdGluZy5NYXJrSABC",
-            "CQoHYXJndHlwZSJVCgxTZXJ2ZXJTdGF0dXMSKAoFc3RhdHMYASABKAsyGS5n",
-            "cnBjLnRlc3RpbmcuU2VydmVyU3RhdHMSDAoEcG9ydBgCIAEoBRINCgVjb3Jl",
-            "cxgDIAEoBSovCgpDbGllbnRUeXBlEg8KC1NZTkNfQ0xJRU5UEAASEAoMQVNZ",
-            "TkNfQ0xJRU5UEAEqLwoKU2VydmVyVHlwZRIPCgtTWU5DX1NFUlZFUhAAEhAK",
-            "DEFTWU5DX1NFUlZFUhABKiMKB1JwY1R5cGUSCQoFVU5BUlkQABINCglTVFJF",
-            "QU1JTkcQAWIGcHJvdG8z"));
+            "bVBhcmFtcxIRCgljb3JlX2xpc3QYDSADKAUSEgoKY29yZV9saW1pdBgOIAEo",
+            "BSI4CgxDbGllbnRTdGF0dXMSKAoFc3RhdHMYASABKAsyGS5ncnBjLnRlc3Rp",
+            "bmcuQ2xpZW50U3RhdHMiFQoETWFyaxINCgVyZXNldBgBIAEoCCJoCgpDbGll",
+            "bnRBcmdzEisKBXNldHVwGAEgASgLMhouZ3JwYy50ZXN0aW5nLkNsaWVudENv",
+            "bmZpZ0gAEiIKBG1hcmsYAiABKAsyEi5ncnBjLnRlc3RpbmcuTWFya0gAQgkK",
+            "B2FyZ3R5cGUi/AEKDFNlcnZlckNvbmZpZxItCgtzZXJ2ZXJfdHlwZRgBIAEo",
+            "DjIYLmdycGMudGVzdGluZy5TZXJ2ZXJUeXBlEjUKD3NlY3VyaXR5X3BhcmFt",
+            "cxgCIAEoCzIcLmdycGMudGVzdGluZy5TZWN1cml0eVBhcmFtcxIMCgRwb3J0",
+            "GAQgASgFEhwKFGFzeW5jX3NlcnZlcl90aHJlYWRzGAcgASgFEhIKCmNvcmVf",
+            "bGltaXQYCCABKAUSMwoOcGF5bG9hZF9jb25maWcYCSABKAsyGy5ncnBjLnRl",
+            "c3RpbmcuUGF5bG9hZENvbmZpZxIRCgljb3JlX2xpc3QYCiADKAUiaAoKU2Vy",
+            "dmVyQXJncxIrCgVzZXR1cBgBIAEoCzIaLmdycGMudGVzdGluZy5TZXJ2ZXJD",
+            "b25maWdIABIiCgRtYXJrGAIgASgLMhIuZ3JwYy50ZXN0aW5nLk1hcmtIAEIJ",
+            "Cgdhcmd0eXBlIlUKDFNlcnZlclN0YXR1cxIoCgVzdGF0cxgBIAEoCzIZLmdy",
+            "cGMudGVzdGluZy5TZXJ2ZXJTdGF0cxIMCgRwb3J0GAIgASgFEg0KBWNvcmVz",
+            "GAMgASgFIg0KC0NvcmVSZXF1ZXN0Ih0KDENvcmVSZXNwb25zZRINCgVjb3Jl",
+            "cxgBIAEoBSIGCgRWb2lkKi8KCkNsaWVudFR5cGUSDwoLU1lOQ19DTElFTlQQ",
+            "ABIQCgxBU1lOQ19DTElFTlQQASpJCgpTZXJ2ZXJUeXBlEg8KC1NZTkNfU0VS",
+            "VkVSEAASEAoMQVNZTkNfU0VSVkVSEAESGAoUQVNZTkNfR0VORVJJQ19TRVJW",
+            "RVIQAiojCgdScGNUeXBlEgkKBVVOQVJZEAASDQoJU1RSRUFNSU5HEAFiBnBy",
+            "b3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.PayloadsReflection.Descriptor, global::Grpc.Testing.StatsReflection.Descriptor, },
           new pbr::GeneratedCodeInfo(new[] {typeof(global::Grpc.Testing.ClientType), typeof(global::Grpc.Testing.ServerType), typeof(global::Grpc.Testing.RpcType), }, new pbr::GeneratedCodeInfo[] {
@@ -76,13 +79,16 @@ namespace Grpc.Testing {
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClosedLoopParams), global::Grpc.Testing.ClosedLoopParams.Parser, null, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.LoadParams), global::Grpc.Testing.LoadParams.Parser, new[]{ "ClosedLoop", "Poisson", "Uniform", "Determ", "Pareto" }, new[]{ "Load" }, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.SecurityParams), global::Grpc.Testing.SecurityParams.Parser, new[]{ "UseTestCa", "ServerHostOverride" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientConfig), global::Grpc.Testing.ClientConfig.Parser, new[]{ "ServerTargets", "ClientType", "SecurityParams", "OutstandingRpcsPerChannel", "ClientChannels", "AsyncClientThreads", "RpcType", "LoadParams", "PayloadConfig", "HistogramParams" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientConfig), global::Grpc.Testing.ClientConfig.Parser, new[]{ "ServerTargets", "ClientType", "SecurityParams", "OutstandingRpcsPerChannel", "ClientChannels", "AsyncClientThreads", "RpcType", "LoadParams", "PayloadConfig", "HistogramParams", "CoreList", "CoreLimit" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientStatus), global::Grpc.Testing.ClientStatus.Parser, new[]{ "Stats" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Mark), global::Grpc.Testing.Mark.Parser, new[]{ "Reset" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientArgs), global::Grpc.Testing.ClientArgs.Parser, new[]{ "Setup", "Mark" }, new[]{ "Argtype" }, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerConfig), global::Grpc.Testing.ServerConfig.Parser, new[]{ "ServerType", "SecurityParams", "Host", "Port", "AsyncServerThreads", "CoreLimit", "PayloadConfig" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerConfig), global::Grpc.Testing.ServerConfig.Parser, new[]{ "ServerType", "SecurityParams", "Port", "AsyncServerThreads", "CoreLimit", "PayloadConfig", "CoreList" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerArgs), global::Grpc.Testing.ServerArgs.Parser, new[]{ "Setup", "Mark" }, new[]{ "Argtype" }, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerStatus), global::Grpc.Testing.ServerStatus.Parser, new[]{ "Stats", "Port", "Cores" }, null, null, null)
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerStatus), global::Grpc.Testing.ServerStatus.Parser, new[]{ "Stats", "Port", "Cores" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.CoreRequest), global::Grpc.Testing.CoreRequest.Parser, null, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.CoreResponse), global::Grpc.Testing.CoreResponse.Parser, new[]{ "Cores" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Void), global::Grpc.Testing.Void.Parser, null, null, null, null)
           }));
     }
     #endregion
@@ -97,6 +103,7 @@ namespace Grpc.Testing {
   public enum ServerType {
     SYNC_SERVER = 0,
     ASYNC_SERVER = 1,
+    ASYNC_GENERIC_SERVER = 2,
   }
 
   public enum RpcType {
@@ -1097,6 +1104,8 @@ namespace Grpc.Testing {
       LoadParams = other.loadParams_ != null ? other.LoadParams.Clone() : null;
       PayloadConfig = other.payloadConfig_ != null ? other.PayloadConfig.Clone() : null;
       HistogramParams = other.histogramParams_ != null ? other.HistogramParams.Clone() : null;
+      coreList_ = other.coreList_.Clone();
+      coreLimit_ = other.coreLimit_;
     }
 
     public ClientConfig Clone() {
@@ -1219,6 +1228,28 @@ namespace Grpc.Testing {
       }
     }
 
+    /// <summary>Field number for the "core_list" field.</summary>
+    public const int CoreListFieldNumber = 13;
+    private static readonly pb::FieldCodec<int> _repeated_coreList_codec
+        = pb::FieldCodec.ForInt32(106);
+    private readonly pbc::RepeatedField<int> coreList_ = new pbc::RepeatedField<int>();
+    /// <summary>
+    ///  Specify the cores we should run the client on, if desired
+    /// </summary>
+    public pbc::RepeatedField<int> CoreList {
+      get { return coreList_; }
+    }
+
+    /// <summary>Field number for the "core_limit" field.</summary>
+    public const int CoreLimitFieldNumber = 14;
+    private int coreLimit_;
+    public int CoreLimit {
+      get { return coreLimit_; }
+      set {
+        coreLimit_ = value;
+      }
+    }
+
     public override bool Equals(object other) {
       return Equals(other as ClientConfig);
     }
@@ -1240,6 +1271,8 @@ namespace Grpc.Testing {
       if (!object.Equals(LoadParams, other.LoadParams)) return false;
       if (!object.Equals(PayloadConfig, other.PayloadConfig)) return false;
       if (!object.Equals(HistogramParams, other.HistogramParams)) return false;
+      if(!coreList_.Equals(other.coreList_)) return false;
+      if (CoreLimit != other.CoreLimit) return false;
       return true;
     }
 
@@ -1255,6 +1288,8 @@ namespace Grpc.Testing {
       if (loadParams_ != null) hash ^= LoadParams.GetHashCode();
       if (payloadConfig_ != null) hash ^= PayloadConfig.GetHashCode();
       if (histogramParams_ != null) hash ^= HistogramParams.GetHashCode();
+      hash ^= coreList_.GetHashCode();
+      if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
       return hash;
     }
 
@@ -1300,6 +1335,11 @@ namespace Grpc.Testing {
         output.WriteRawTag(98);
         output.WriteMessage(HistogramParams);
       }
+      coreList_.WriteTo(output, _repeated_coreList_codec);
+      if (CoreLimit != 0) {
+        output.WriteRawTag(112);
+        output.WriteInt32(CoreLimit);
+      }
     }
 
     public int CalculateSize() {
@@ -1332,6 +1372,10 @@ namespace Grpc.Testing {
       if (histogramParams_ != null) {
         size += 1 + pb::CodedOutputStream.ComputeMessageSize(HistogramParams);
       }
+      size += coreList_.CalculateSize(_repeated_coreList_codec);
+      if (CoreLimit != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(CoreLimit);
+      }
       return size;
     }
 
@@ -1379,6 +1423,10 @@ namespace Grpc.Testing {
         }
         HistogramParams.MergeFrom(other.HistogramParams);
       }
+      coreList_.Add(other.coreList_);
+      if (other.CoreLimit != 0) {
+        CoreLimit = other.CoreLimit;
+      }
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -1440,6 +1488,15 @@ namespace Grpc.Testing {
             input.ReadMessage(histogramParams_);
             break;
           }
+          case 106:
+          case 104: {
+            coreList_.AddEntriesFrom(input, _repeated_coreList_codec);
+            break;
+          }
+          case 112: {
+            CoreLimit = input.ReadInt32();
+            break;
+          }
         }
       }
     }
@@ -1855,11 +1912,11 @@ namespace Grpc.Testing {
     public ServerConfig(ServerConfig other) : this() {
       serverType_ = other.serverType_;
       SecurityParams = other.securityParams_ != null ? other.SecurityParams.Clone() : null;
-      host_ = other.host_;
       port_ = other.port_;
       asyncServerThreads_ = other.asyncServerThreads_;
       coreLimit_ = other.coreLimit_;
       PayloadConfig = other.payloadConfig_ != null ? other.PayloadConfig.Clone() : null;
+      coreList_ = other.coreList_.Clone();
     }
 
     public ServerConfig Clone() {
@@ -1886,19 +1943,6 @@ namespace Grpc.Testing {
       }
     }
 
-    /// <summary>Field number for the "host" field.</summary>
-    public const int HostFieldNumber = 3;
-    private string host_ = "";
-    /// <summary>
-    ///  Host on which to listen.
-    /// </summary>
-    public string Host {
-      get { return host_; }
-      set {
-        host_ = pb::Preconditions.CheckNotNull(value, "value");
-      }
-    }
-
     /// <summary>Field number for the "port" field.</summary>
     public const int PortFieldNumber = 4;
     private int port_;
@@ -1929,7 +1973,7 @@ namespace Grpc.Testing {
     public const int CoreLimitFieldNumber = 8;
     private int coreLimit_;
     /// <summary>
-    ///  restrict core usage, currently unused
+    ///  Specify the number of cores to limit server to, if desired
     /// </summary>
     public int CoreLimit {
       get { return coreLimit_; }
@@ -1941,6 +1985,9 @@ namespace Grpc.Testing {
     /// <summary>Field number for the "payload_config" field.</summary>
     public const int PayloadConfigFieldNumber = 9;
     private global::Grpc.Testing.PayloadConfig payloadConfig_;
+    /// <summary>
+    ///  payload config, used in generic server
+    /// </summary>
     public global::Grpc.Testing.PayloadConfig PayloadConfig {
       get { return payloadConfig_; }
       set {
@@ -1948,6 +1995,18 @@ namespace Grpc.Testing {
       }
     }
 
+    /// <summary>Field number for the "core_list" field.</summary>
+    public const int CoreListFieldNumber = 10;
+    private static readonly pb::FieldCodec<int> _repeated_coreList_codec
+        = pb::FieldCodec.ForInt32(82);
+    private readonly pbc::RepeatedField<int> coreList_ = new pbc::RepeatedField<int>();
+    /// <summary>
+    ///  Specify the cores we should run the server on, if desired
+    /// </summary>
+    public pbc::RepeatedField<int> CoreList {
+      get { return coreList_; }
+    }
+
     public override bool Equals(object other) {
       return Equals(other as ServerConfig);
     }
@@ -1961,11 +2020,11 @@ namespace Grpc.Testing {
       }
       if (ServerType != other.ServerType) return false;
       if (!object.Equals(SecurityParams, other.SecurityParams)) return false;
-      if (Host != other.Host) return false;
       if (Port != other.Port) return false;
       if (AsyncServerThreads != other.AsyncServerThreads) return false;
       if (CoreLimit != other.CoreLimit) return false;
       if (!object.Equals(PayloadConfig, other.PayloadConfig)) return false;
+      if(!coreList_.Equals(other.coreList_)) return false;
       return true;
     }
 
@@ -1973,11 +2032,11 @@ namespace Grpc.Testing {
       int hash = 1;
       if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) hash ^= ServerType.GetHashCode();
       if (securityParams_ != null) hash ^= SecurityParams.GetHashCode();
-      if (Host.Length != 0) hash ^= Host.GetHashCode();
       if (Port != 0) hash ^= Port.GetHashCode();
       if (AsyncServerThreads != 0) hash ^= AsyncServerThreads.GetHashCode();
       if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
       if (payloadConfig_ != null) hash ^= PayloadConfig.GetHashCode();
+      hash ^= coreList_.GetHashCode();
       return hash;
     }
 
@@ -1994,10 +2053,6 @@ namespace Grpc.Testing {
         output.WriteRawTag(18);
         output.WriteMessage(SecurityParams);
       }
-      if (Host.Length != 0) {
-        output.WriteRawTag(26);
-        output.WriteString(Host);
-      }
       if (Port != 0) {
         output.WriteRawTag(32);
         output.WriteInt32(Port);
@@ -2014,6 +2069,7 @@ namespace Grpc.Testing {
         output.WriteRawTag(74);
         output.WriteMessage(PayloadConfig);
       }
+      coreList_.WriteTo(output, _repeated_coreList_codec);
     }
 
     public int CalculateSize() {
@@ -2024,9 +2080,6 @@ namespace Grpc.Testing {
       if (securityParams_ != null) {
         size += 1 + pb::CodedOutputStream.ComputeMessageSize(SecurityParams);
       }
-      if (Host.Length != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeStringSize(Host);
-      }
       if (Port != 0) {
         size += 1 + pb::CodedOutputStream.ComputeInt32Size(Port);
       }
@@ -2039,6 +2092,7 @@ namespace Grpc.Testing {
       if (payloadConfig_ != null) {
         size += 1 + pb::CodedOutputStream.ComputeMessageSize(PayloadConfig);
       }
+      size += coreList_.CalculateSize(_repeated_coreList_codec);
       return size;
     }
 
@@ -2055,9 +2109,6 @@ namespace Grpc.Testing {
         }
         SecurityParams.MergeFrom(other.SecurityParams);
       }
-      if (other.Host.Length != 0) {
-        Host = other.Host;
-      }
       if (other.Port != 0) {
         Port = other.Port;
       }
@@ -2073,6 +2124,7 @@ namespace Grpc.Testing {
         }
         PayloadConfig.MergeFrom(other.PayloadConfig);
       }
+      coreList_.Add(other.coreList_);
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -2093,10 +2145,6 @@ namespace Grpc.Testing {
             input.ReadMessage(securityParams_);
             break;
           }
-          case 26: {
-            Host = input.ReadString();
-            break;
-          }
           case 32: {
             Port = input.ReadInt32();
             break;
@@ -2116,6 +2164,11 @@ namespace Grpc.Testing {
             input.ReadMessage(payloadConfig_);
             break;
           }
+          case 82:
+          case 80: {
+            coreList_.AddEntriesFrom(input, _repeated_coreList_codec);
+            break;
+          }
         }
       }
     }
@@ -2347,7 +2400,7 @@ namespace Grpc.Testing {
     public const int CoresFieldNumber = 3;
     private int cores_;
     /// <summary>
-    ///  Number of cores on the server. See gpr_cpu_num_cores.
+    ///  Number of cores available to the server
     /// </summary>
     public int Cores {
       get { return cores_; }
@@ -2460,6 +2513,264 @@ namespace Grpc.Testing {
 
   }
 
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class CoreRequest : pb::IMessage<CoreRequest> {
+    private static readonly pb::MessageParser<CoreRequest> _parser = new pb::MessageParser<CoreRequest>(() => new CoreRequest());
+    public static pb::MessageParser<CoreRequest> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[14]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public CoreRequest() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public CoreRequest(CoreRequest other) : this() {
+    }
+
+    public CoreRequest Clone() {
+      return new CoreRequest(this);
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as CoreRequest);
+    }
+
+    public bool Equals(CoreRequest other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      return size;
+    }
+
+    public void MergeFrom(CoreRequest other) {
+      if (other == null) {
+        return;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class CoreResponse : pb::IMessage<CoreResponse> {
+    private static readonly pb::MessageParser<CoreResponse> _parser = new pb::MessageParser<CoreResponse>(() => new CoreResponse());
+    public static pb::MessageParser<CoreResponse> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[15]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public CoreResponse() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public CoreResponse(CoreResponse other) : this() {
+      cores_ = other.cores_;
+    }
+
+    public CoreResponse Clone() {
+      return new CoreResponse(this);
+    }
+
+    /// <summary>Field number for the "cores" field.</summary>
+    public const int CoresFieldNumber = 1;
+    private int cores_;
+    /// <summary>
+    ///  Number of cores available on the server
+    /// </summary>
+    public int Cores {
+      get { return cores_; }
+      set {
+        cores_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as CoreResponse);
+    }
+
+    public bool Equals(CoreResponse other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (Cores != other.Cores) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (Cores != 0) hash ^= Cores.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (Cores != 0) {
+        output.WriteRawTag(8);
+        output.WriteInt32(Cores);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (Cores != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Cores);
+      }
+      return size;
+    }
+
+    public void MergeFrom(CoreResponse other) {
+      if (other == null) {
+        return;
+      }
+      if (other.Cores != 0) {
+        Cores = other.Cores;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 8: {
+            Cores = input.ReadInt32();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class Void : pb::IMessage<Void> {
+    private static readonly pb::MessageParser<Void> _parser = new pb::MessageParser<Void>(() => new Void());
+    public static pb::MessageParser<Void> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[16]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public Void() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public Void(Void other) : this() {
+    }
+
+    public Void Clone() {
+      return new Void(this);
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as Void);
+    }
+
+    public bool Equals(Void other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      return size;
+    }
+
+    public void MergeFrom(Void other) {
+      if (other == null) {
+        return;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+        }
+      }
+    }
+
+  }
+
   #endregion
 
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
new file mode 100644
index 0000000000..37786b6c30
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
@@ -0,0 +1,106 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class GeneratedClientTest
+    {
+        TestService.TestServiceClient unimplementedClient = new UnimplementedTestServiceClient();
+
+        [Test]
+        public void ExpandedParamOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            // mocking is relatively clumsy because one needs to specify value for all the optional params.
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), null, null, CancellationToken.None)).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void CallOptionsOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<CallOptions>())).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest(), new CallOptions()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_UnaryCall()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ClientStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingInputCall());
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ServerStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingOutputCall(new StreamingOutputCallRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_DuplexStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.FullDuplexCall());
+        }
+
+        /// <summary>
+        /// Subclass of the generated client that doesn't override any method stubs.
+        /// </summary>
+        private class UnimplementedTestServiceClient : TestService.TestServiceClient
+        {
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
index 1d758b7540..5fd0e14e78 100644
--- a/src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -33,38 +33,39 @@
 
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Grpc.Core;
 using Grpc.Core.Utils;
 using Grpc.Testing;
+using Moq;
 using NUnit.Framework;
 
 namespace Grpc.IntegrationTesting
 {
-    public class HeaderInterceptorTest
+    public class GeneratedServiceBaseTest
     {
         const string Host = "localhost";
         Server server;
         Channel channel;
         TestService.TestServiceClient client;
 
-        [TestFixtureSetUp]
+        [SetUp]
         public void Init()
         {
             server = new Server
             {
-                Services = { TestService.BindService(new TestServiceImpl()) },
-                Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } }
+                Services = { TestService.BindService(new UnimplementedTestServiceImpl()) },
+                Ports = { { Host, ServerPort.PickUnused, SslServerCredentials.Insecure } }
             };
             server.Start();
-
             channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
             client = TestService.NewClient(channel);
         }
 
-        [TestFixtureTearDown]
+        [TearDown]
         public void Cleanup()
         {
             channel.ShutdownAsync().Wait();
@@ -72,42 +73,44 @@ namespace Grpc.IntegrationTesting
         }
 
         [Test]
-        public async Task HeaderInterceptor_CreateMetadata()
+        public void UnimplementedByDefault_Unary()
         {
-            var key = "x-grpc-test-echo-initial";
-            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
-            {
-                metadata.Add(key, "ABC");
-            });
+            var ex = Assert.Throws<RpcException>(() => client.UnaryCall(new SimpleRequest { }));
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
 
-            var call = client.UnaryCallAsync(new SimpleRequest());
-            await call;
+        [Test]
+        public async Task UnimplementedByDefault_ClientStreaming()
+        {
+            var call = client.StreamingInputCall();
 
-           var responseHeaders = await call.ResponseHeadersAsync;
-           Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == key).Value);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call);
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
         }
 
         [Test]
-        public async Task HeaderInterceptor_AppendMetadata()
+        public async Task UnimplementedByDefault_ServerStreamingCall()
         {
-            var initialKey = "x-grpc-test-echo-initial";
-            var trailingKey = "x-grpc-test-echo-trailing-bin";
+            var call = client.StreamingOutputCall(new StreamingOutputCallRequest());
 
-            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
-            {
-                metadata.Add(initialKey, "ABC");
-            });
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
 
-            var headers = new Metadata
-            {
-                { trailingKey, new byte[] {0xaa} }
-            };
-            var call = client.UnaryCallAsync(new SimpleRequest(), headers: headers);
-            await call;
+        [Test]
+        public async Task UnimplementedByDefault_DuplexStreamingCall()
+        {
+            var call = client.FullDuplexCall();
 
-            var responseHeaders = await call.ResponseHeadersAsync;
-            Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == initialKey).Value);
-            CollectionAssert.AreEqual(new byte[] {0xaa}, call.GetTrailers().First((entry) => entry.Key == trailingKey).ValueBytes);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        /// <summary>
+        /// Implementation of TestService that doesn't override any methods.
+        /// </summary>
+        private class UnimplementedTestServiceImpl : TestService.TestServiceBase
+        {
         }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/GenericService.cs b/src/csharp/Grpc.IntegrationTesting/GenericService.cs
new file mode 100644
index 0000000000..c6128264ac
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GenericService.cs
@@ -0,0 +1,71 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Utility methods for defining and calling a service that doesn't use protobufs
+    /// for serialization/deserialization.
+    /// </summary>
+    public static class GenericService
+    {
+        readonly static Marshaller<byte[]> ByteArrayMarshaller = new Marshaller<byte[]>((b) => b, (b) => b);
+
+        public readonly static Method<byte[], byte[]> StreamingCallMethod = new Method<byte[], byte[]>(
+            MethodType.DuplexStreaming,
+            "grpc.testing.BenchmarkService",
+            "StreamingCall",
+            ByteArrayMarshaller,
+            ByteArrayMarshaller
+        );
+
+        public static ServerServiceDefinition BindHandler(DuplexStreamingServerMethod<byte[], byte[]> handler)
+        {
+            return ServerServiceDefinition.CreateBuilder(StreamingCallMethod.ServiceName)
+                .AddMethod(StreamingCallMethod, handler).Build();
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
index 372991374e..c16d0e5c5d 100644
--- a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
+++ b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
@@ -4,11 +4,11 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{C61154BA-DD4A-4838-8420-0162A28925E0}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.IntegrationTesting</RootNamespace>
     <AssemblyName>Grpc.IntegrationTesting</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>6566287f</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>3a1c655d</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -41,57 +41,45 @@
     <Reference Include="CommandLine">
       <HintPath>..\packages\CommandLineParser.1.9.71\lib\net45\CommandLine.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
-    </Reference>
     <Reference Include="Moq">
       <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="BouncyCastle.Crypto">
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
+    <Reference Include="Google.Apis.Auth">
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
+    <Reference Include="Google.Apis.Auth.PlatformServices">
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+    <Reference Include="Google.Apis.Core">
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Protobuf">
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Interactive.Async">
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
+    </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
       <Link>Version.cs</Link>
     </Compile>
-    <Compile Include="HeaderInterceptorTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Empty.cs" />
     <Compile Include="Messages.cs" />
@@ -120,6 +108,11 @@
     <Compile Include="WorkerServiceImpl.cs" />
     <Compile Include="QpsWorker.cs" />
     <Compile Include="WallClockStopwatch.cs" />
+    <Compile Include="GenericService.cs" />
+    <Compile Include="GeneratedServiceBaseTest.cs" />
+    <Compile Include="GeneratedClientTest.cs" />
+    <Compile Include="InterarrivalTimers.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
@@ -133,8 +126,9 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="data\README">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
@@ -151,11 +145,4 @@
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/Histogram.cs b/src/csharp/Grpc.IntegrationTesting/Histogram.cs
index 7e7cb2c4de..28d1f078a9 100644
--- a/src/csharp/Grpc.IntegrationTesting/Histogram.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Histogram.cs
@@ -66,8 +66,8 @@ namespace Grpc.IntegrationTesting
 
         public Histogram(double resolution, double maxPossible)
         {
-            Grpc.Core.Utils.Preconditions.CheckArgument(resolution > 0);
-            Grpc.Core.Utils.Preconditions.CheckArgument(maxPossible > 0);
+            GrpcPreconditions.CheckArgument(resolution > 0);
+            GrpcPreconditions.CheckArgument(maxPossible > 0);
             this.maxPossible = maxPossible;
             this.multiplier = 1.0 + resolution;
             this.oneOnLogMultiplier = 1.0 / Math.Log(1.0 + resolution);
diff --git a/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
new file mode 100644
index 0000000000..6492d34890
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
@@ -0,0 +1,148 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    public interface IInterarrivalTimer
+    {
+        void WaitForNext();
+
+        Task WaitForNextAsync();
+    }
+
+    /// <summary>
+    /// Interarrival timer that doesn't wait at all.
+    /// </summary>
+    public class ClosedLoopInterarrivalTimer : IInterarrivalTimer
+    {
+        public ClosedLoopInterarrivalTimer()
+        {
+        }
+
+        public void WaitForNext()
+        {
+            // NOP
+        }
+
+        public Task WaitForNextAsync()
+        {
+            return Task.FromResult<object>(null);
+        }
+    }
+
+    /// <summary>
+    /// Interarrival timer that generates Poisson process load.
+    /// </summary>
+    public class PoissonInterarrivalTimer : IInterarrivalTimer
+    {
+        readonly ExponentialDistribution exponentialDistribution;
+        DateTime? lastEventTime;
+
+        public PoissonInterarrivalTimer(double offeredLoad)
+        {
+            this.exponentialDistribution = new ExponentialDistribution(new Random(), offeredLoad);
+            this.lastEventTime = DateTime.UtcNow;
+        }
+
+        public void WaitForNext()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                Thread.Sleep(millisTimeout);
+            }
+        }
+
+        public async Task WaitForNextAsync()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                await Task.Delay(millisTimeout);
+            }
+        }
+
+        private TimeSpan GetNextWaitDuration()
+        {
+            if (!lastEventTime.HasValue)
+            {
+                this.lastEventTime = DateTime.Now;
+            }
+
+            var origLastEventTime = this.lastEventTime.Value;
+            this.lastEventTime = origLastEventTime + TimeSpan.FromSeconds(exponentialDistribution.Next());
+            return this.lastEventTime.Value - origLastEventTime;
+        }
+
+        /// <summary>
+        /// Exp generator.
+        /// </summary>
+        private class ExponentialDistribution
+        {
+            readonly Random random;
+            readonly double lambda;
+            readonly double lambdaReciprocal;
+
+            public ExponentialDistribution(Random random, double lambda)
+            {
+                this.random = random;
+                this.lambda = lambda;
+                this.lambdaReciprocal = 1.0 / lambda;
+            }
+
+            public double Next()
+            {
+                double uniform = random.NextDouble();
+                // Use 1.0-uni above to avoid NaN if uni is 0
+                return lambdaReciprocal * (-Math.Log(1.0 - uniform));
+            }
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index b0e33e49f7..5436517960 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -217,7 +217,7 @@ namespace Grpc.IntegrationTesting
             }
         }
 
-        public static void RunEmptyUnary(TestService.ITestServiceClient client)
+        public static void RunEmptyUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_unary");
             var response = client.EmptyCall(new Empty());
@@ -225,7 +225,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static void RunLargeUnary(TestService.ITestServiceClient client)
+        public static void RunLargeUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running large_unary");
             var request = new SimpleRequest
@@ -241,7 +241,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunClientStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunClientStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running client_streaming");
 
@@ -257,7 +257,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunServerStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunServerStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running server_streaming");
 
@@ -281,7 +281,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunPingPongAsync(TestService.ITestServiceClient client)
+        public static async Task RunPingPongAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running ping_pong");
 
@@ -338,7 +338,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunEmptyStreamAsync(TestService.ITestServiceClient client)
+        public static async Task RunEmptyStreamAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_stream");
             using (var call = client.FullDuplexCall())
@@ -434,7 +434,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterBeginAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterBeginAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_begin");
 
@@ -445,13 +445,13 @@ namespace Grpc.IntegrationTesting
                 await Task.Delay(1000);
                 cts.Cancel();
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseAsync);
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
                 Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterFirstResponseAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterFirstResponseAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_first_response");
 
@@ -471,13 +471,13 @@ namespace Grpc.IntegrationTesting
 
                 cts.Cancel();
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
                 Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunTimeoutOnSleepingServerAsync(TestService.ITestServiceClient client)
+        public static async Task RunTimeoutOnSleepingServerAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running timeout_on_sleeping_server");
 
@@ -493,13 +493,13 @@ namespace Grpc.IntegrationTesting
                     // Deadline was reached before write has started. Eat the exception and continue.
                 }
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
                 Assert.AreEqual(StatusCode.DeadlineExceeded, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCustomMetadataAsync(TestService.ITestServiceClient client)
+        public static async Task RunCustomMetadataAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running custom_metadata");
             {
@@ -546,7 +546,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunStatusCodeAndMessageAsync(TestService.ITestServiceClient client)
+        public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running status_code_and_message");
             var echoStatus = new EchoStatus
@@ -572,7 +572,7 @@ namespace Grpc.IntegrationTesting
                 await call.RequestStream.WriteAsync(request);
                 await call.RequestStream.CompleteAsync();
 
-                var e = Assert.Throws<RpcException>(async () => await call.ResponseStream.ToListAsync());
+                var e = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.ToListAsync());
                 Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
                 Assert.AreEqual(echoStatus.Message, e.Status.Detail);
             }
@@ -580,7 +580,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static void RunUnimplementedMethod(UnimplementedService.IUnimplementedServiceClient client)
+        public static void RunUnimplementedMethod(UnimplementedService.UnimplementedServiceClient client)
         {
             Console.WriteLine("running unimplemented_method");
             var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
index 18168f9970..4ee1ff5ec8 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
@@ -51,7 +51,7 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
@@ -140,14 +140,12 @@ namespace Grpc.IntegrationTesting
         }
 
         [Test]
-        [Ignore("TODO: see #4427")]
         public async Task StatusCodeAndMessage()
         {
             await InteropClient.RunStatusCodeAndMessageAsync(client);
         }
 
         [Test]
-        [Ignore("TODO: see #4427")]
         public void UnimplementedMethod()
         {
             InteropClient.RunUnimplementedMethod(UnimplementedService.NewClient(channel));
diff --git a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
index 1c8bfed1f6..f95af5008f 100644
--- a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -50,15 +50,15 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
         List<ChannelOption> options;
-        Mock<TestService.ITestService> serviceMock;
+        Mock<TestService.TestServiceBase> serviceMock;
         AsyncAuthInterceptor asyncAuthInterceptor;
 
         [SetUp]
         public void Init()
         {
-            serviceMock = new Mock<TestService.ITestService>();
+            serviceMock = new Mock<TestService.TestServiceBase>();
             serviceMock.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<ServerCallContext>()))
                 .Returns(new Func<SimpleRequest, ServerCallContext, Task<SimpleResponse>>(UnaryCallHandler));
 
diff --git a/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
new file mode 100644
index 0000000000..d8902de08f
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
index 686b484345..a7c9fa894d 100644
--- a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
+++ b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
@@ -85,24 +85,27 @@ namespace Grpc.IntegrationTesting
             }
 
             var workerServer = new QpsWorker(options);
-            workerServer.Run();
+            workerServer.RunAsync().Wait();
         }
 
-        private void Run()
+        private async Task RunAsync()
         {
             string host = "0.0.0.0";
             int port = options.DriverPort;
 
+            var tcs = new TaskCompletionSource<object>();
+            var workerServiceImpl = new WorkerServiceImpl(() => { Task.Run(() => tcs.SetResult(null)); });
+                
             var server = new Server
             {
-                Services = { WorkerService.BindService(new WorkerServiceImpl()) },
+                Services = { WorkerService.BindService(workerServiceImpl) },
                 Ports = { new ServerPort(host, options.DriverPort, ServerCredentials.Insecure )}
             };
             int boundPort = server.Ports.Single().BoundPort;
             Console.WriteLine("Running qps worker server on " + string.Format("{0}:{1}", host, boundPort));
             server.Start();
-
-            server.ShutdownTask.Wait();
+            await tcs.Task;
+            await server.ShutdownAsync();
         }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
index 3dd91b7948..13ab5a25ab 100644
--- a/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
@@ -48,7 +48,6 @@ namespace Grpc.IntegrationTesting
     /// </summary>
     public class RunnerClientServerTest
     {
-        const string Host = "localhost";
         IServerRunner serverRunner;
 
         [TestFixtureSetUp]
@@ -56,15 +55,7 @@ namespace Grpc.IntegrationTesting
         {
             var serverConfig = new ServerConfig
             {
-                ServerType = ServerType.ASYNC_SERVER,
-                Host = Host,
-                PayloadConfig = new PayloadConfig
-                {
-                    SimpleParams = new SimpleProtoParams
-                    {
-                        RespSize = 100
-                    }
-                }
+                ServerType = ServerType.ASYNC_SERVER
             };
             serverRunner = ServerRunners.CreateStarted(serverConfig);
         }
@@ -83,14 +74,15 @@ namespace Grpc.IntegrationTesting
         {
             var config = new ClientConfig
             {
-                ServerTargets = { string.Format("{0}:{1}", Host, serverRunner.BoundPort) },
+                ServerTargets = { string.Format("{0}:{1}", "localhost", serverRunner.BoundPort) },
                 RpcType = RpcType.UNARY,
                 LoadParams = new LoadParams { ClosedLoop = new ClosedLoopParams() },
                 PayloadConfig = new PayloadConfig
                 {
                     SimpleParams = new SimpleProtoParams
                     {
-                        ReqSize = 100
+                        ReqSize = 100,
+                        RespSize = 100
                     }
                 },
                 HistogramParams = new HistogramParams
diff --git a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
index e8be7758ce..d7859443e0 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
@@ -41,6 +41,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Google.Protobuf;
 using Grpc.Core;
+using Grpc.Core.Logging;
 using Grpc.Core.Utils;
 using NUnit.Framework;
 using Grpc.Testing;
@@ -50,27 +51,78 @@ namespace Grpc.IntegrationTesting
     /// <summary>
     /// Helper methods to start server runners for performance testing.
     /// </summary>
-    public static class ServerRunners
+    public class ServerRunners
     {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<ServerRunners>();
+
         /// <summary>
         /// Creates a started server runner.
         /// </summary>
         public static IServerRunner CreateStarted(ServerConfig config)
         {
-            Grpc.Core.Utils.Preconditions.CheckArgument(config.ServerType == ServerType.ASYNC_SERVER);
+            Logger.Debug("ServerConfig: {0}", config);
             var credentials = config.SecurityParams != null ? TestCredentials.CreateSslServerCredentials() : ServerCredentials.Insecure;
 
-            // TODO: qps_driver needs to setup payload properly...
-            int responseSize = config.PayloadConfig != null ? config.PayloadConfig.SimpleParams.RespSize : 0;
+            if (config.AsyncServerThreads != 0)
+            {
+                Logger.Warning("ServerConfig.AsyncServerThreads is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreLimit != 0)
+            {
+                Logger.Warning("ServerConfig.CoreLimit is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreList.Count > 0)
+            {
+                Logger.Warning("ServerConfig.CoreList is not supported for C#. Ignoring the value");
+            }
+
+            ServerServiceDefinition service = null;
+            if (config.ServerType == ServerType.ASYNC_SERVER)
+            {
+                GrpcPreconditions.CheckArgument(config.PayloadConfig == null,
+                    "ServerConfig.PayloadConfig shouldn't be set for BenchmarkService based server.");    
+                service = BenchmarkService.BindService(new BenchmarkServiceImpl());
+            }
+            else if (config.ServerType == ServerType.ASYNC_GENERIC_SERVER)
+            {
+                var genericService = new GenericServiceImpl(config.PayloadConfig.BytebufParams.RespSize);
+                service = GenericService.BindHandler(genericService.StreamingCall);
+            }
+            else
+            {
+                throw new ArgumentException("Unsupported ServerType");
+            }
+
             var server = new Server
             {
-                Services = { BenchmarkService.BindService(new BenchmarkServiceImpl(responseSize)) },
-                Ports = { new ServerPort(config.Host, config.Port, credentials) }
+                Services = { service },
+                Ports = { new ServerPort("[::]", config.Port, credentials) }
             };
 
             server.Start();
             return new ServerRunnerImpl(server);
         }
+
+        private class GenericServiceImpl
+        {
+            readonly byte[] response;
+
+            public GenericServiceImpl(int responseSize)
+            {
+                this.response = new byte[responseSize];
+            }
+
+            /// <summary>
+            /// Generic streaming call handler.
+            /// </summary>
+            public async Task StreamingCall(IAsyncStreamReader<byte[]> requestStream, IServerStreamWriter<byte[]> responseStream, ServerCallContext context)
+            {
+                await requestStream.ForEachAsync(async request =>
+                {
+                    await responseStream.WriteAsync(response);
+                });
+            }
+        }
     }
 
     /// <summary>
@@ -83,7 +135,7 @@ namespace Grpc.IntegrationTesting
 
         public ServerRunnerImpl(Server server)
         {
-            this.server = Grpc.Core.Utils.Preconditions.CheckNotNull(server);
+            this.server = GrpcPreconditions.CheckNotNull(server);
         }
 
         public int BoundPort
@@ -119,6 +171,5 @@ namespace Grpc.IntegrationTesting
         {
             return server.ShutdownAsync();
         }
-    }
-        
+    }        
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/Services.cs b/src/csharp/Grpc.IntegrationTesting/Services.cs
index 04a092ccd7..a8475c1817 100644
--- a/src/csharp/Grpc.IntegrationTesting/Services.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Services.cs
@@ -29,11 +29,14 @@ namespace Grpc.Testing {
             "QmVuY2htYXJrU2VydmljZRJGCglVbmFyeUNhbGwSGy5ncnBjLnRlc3Rpbmcu",
             "U2ltcGxlUmVxdWVzdBocLmdycGMudGVzdGluZy5TaW1wbGVSZXNwb25zZRJO",
             "Cg1TdHJlYW1pbmdDYWxsEhsuZ3JwYy50ZXN0aW5nLlNpbXBsZVJlcXVlc3Qa",
-            "HC5ncnBjLnRlc3RpbmcuU2ltcGxlUmVzcG9uc2UoATABMp0BCg1Xb3JrZXJT",
+            "HC5ncnBjLnRlc3RpbmcuU2ltcGxlUmVzcG9uc2UoATABMpcCCg1Xb3JrZXJT",
             "ZXJ2aWNlEkUKCVJ1blNlcnZlchIYLmdycGMudGVzdGluZy5TZXJ2ZXJBcmdz",
             "GhouZ3JwYy50ZXN0aW5nLlNlcnZlclN0YXR1cygBMAESRQoJUnVuQ2xpZW50",
             "EhguZ3JwYy50ZXN0aW5nLkNsaWVudEFyZ3MaGi5ncnBjLnRlc3RpbmcuQ2xp",
-            "ZW50U3RhdHVzKAEwAWIGcHJvdG8z"));
+            "ZW50U3RhdHVzKAEwARJCCglDb3JlQ291bnQSGS5ncnBjLnRlc3RpbmcuQ29y",
+            "ZVJlcXVlc3QaGi5ncnBjLnRlc3RpbmcuQ29yZVJlc3BvbnNlEjQKClF1aXRX",
+            "b3JrZXISEi5ncnBjLnRlc3RpbmcuVm9pZBoSLmdycGMudGVzdGluZy5Wb2lk",
+            "YgZwcm90bzM="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.MessagesReflection.Descriptor, global::Grpc.Testing.ControlReflection.Descriptor, },
           new pbr::GeneratedCodeInfo(null, null));
diff --git a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
index dd30afb427..46b16cf202 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
@@ -36,6 +36,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IBenchmarkServiceClient
     {
       global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -47,47 +48,73 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IBenchmarkService
     {
       Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context);
       Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class BenchmarkServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class BenchmarkServiceClient : ClientBase, IBenchmarkServiceClient
+    public class BenchmarkServiceClient : ClientBase<BenchmarkServiceClient>, IBenchmarkServiceClient
     {
       public BenchmarkServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public BenchmarkServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected BenchmarkServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected BenchmarkServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return StreamingCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_StreamingCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      protected override BenchmarkServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
-        var call = CreateCall(__Method_StreamingCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return new BenchmarkServiceClient(configuration);
       }
     }
 
@@ -99,6 +126,14 @@ namespace Grpc.Testing {
           .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(BenchmarkServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
+    }
+
     // creates a new client
     public static BenchmarkServiceClient NewClient(Channel channel)
     {
@@ -114,6 +149,9 @@ namespace Grpc.Testing {
     static readonly Marshaller<global::Grpc.Testing.ServerStatus> __Marshaller_ServerStatus = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ServerStatus.Parser.ParseFrom);
     static readonly Marshaller<global::Grpc.Testing.ClientArgs> __Marshaller_ClientArgs = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ClientArgs.Parser.ParseFrom);
     static readonly Marshaller<global::Grpc.Testing.ClientStatus> __Marshaller_ClientStatus = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ClientStatus.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.CoreRequest> __Marshaller_CoreRequest = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.CoreRequest.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.CoreResponse> __Marshaller_CoreResponse = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.CoreResponse.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.Void> __Marshaller_Void = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.Void.Parser.ParseFrom);
 
     static readonly Method<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> __Method_RunServer = new Method<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus>(
         MethodType.DuplexStreaming,
@@ -129,6 +167,20 @@ namespace Grpc.Testing {
         __Marshaller_ClientArgs,
         __Marshaller_ClientStatus);
 
+    static readonly Method<global::Grpc.Testing.CoreRequest, global::Grpc.Testing.CoreResponse> __Method_CoreCount = new Method<global::Grpc.Testing.CoreRequest, global::Grpc.Testing.CoreResponse>(
+        MethodType.Unary,
+        __ServiceName,
+        "CoreCount",
+        __Marshaller_CoreRequest,
+        __Marshaller_CoreResponse);
+
+    static readonly Method<global::Grpc.Testing.Void, global::Grpc.Testing.Void> __Method_QuitWorker = new Method<global::Grpc.Testing.Void, global::Grpc.Testing.Void>(
+        MethodType.Unary,
+        __ServiceName,
+        "QuitWorker",
+        __Marshaller_Void,
+        __Marshaller_Void);
+
     // service descriptor
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
@@ -136,46 +188,127 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IWorkerServiceClient
     {
       AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
       AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options);
       AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
       AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options);
+      global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options);
+      global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options);
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IWorkerService
     {
       Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context);
       Task RunClient(IAsyncStreamReader<global::Grpc.Testing.ClientArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ClientStatus> responseStream, ServerCallContext context);
+      Task<global::Grpc.Testing.CoreResponse> CoreCount(global::Grpc.Testing.CoreRequest request, ServerCallContext context);
+      Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context);
+    }
+
+    // server-side abstract class
+    public abstract class WorkerServiceBase
+    {
+      public virtual Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task RunClient(IAsyncStreamReader<global::Grpc.Testing.ClientArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ClientStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.CoreResponse> CoreCount(global::Grpc.Testing.CoreRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
     }
 
     // client stub
-    public class WorkerServiceClient : ClientBase, IWorkerServiceClient
+    public class WorkerServiceClient : ClientBase<WorkerServiceClient>, IWorkerServiceClient
     {
       public WorkerServiceClient(Channel channel) : base(channel)
       {
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public WorkerServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected WorkerServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected WorkerServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return RunServer(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunServer, null, options);
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return RunClient(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunClient, null, options);
+      }
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return CoreCount(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_RunServer, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.BlockingUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_RunServer, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CoreCountAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_RunClient, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_RunClient, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return QuitWorker(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return QuitWorkerAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      protected override WorkerServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new WorkerServiceClient(configuration);
       }
     }
 
@@ -184,7 +317,19 @@ namespace Grpc.Testing {
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_RunServer, serviceImpl.RunServer)
-          .AddMethod(__Method_RunClient, serviceImpl.RunClient).Build();
+          .AddMethod(__Method_RunClient, serviceImpl.RunClient)
+          .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
+          .AddMethod(__Method_QuitWorker, serviceImpl.QuitWorker).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(WorkerServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_RunServer, serviceImpl.RunServer)
+          .AddMethod(__Method_RunClient, serviceImpl.RunClient)
+          .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
+          .AddMethod(__Method_QuitWorker, serviceImpl.QuitWorker).Build();
     }
 
     // creates a new client
diff --git a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
index 37b2518c21..3df45b5f70 100644
--- a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
diff --git a/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs b/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
index ce108d808b..774563d752 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
@@ -35,6 +35,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Reflection;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Grpc.Core;
@@ -50,9 +51,29 @@ namespace Grpc.IntegrationTesting
     {
         public const string DefaultHostOverride = "foo.test.google.fr";
 
-        public const string ClientCertAuthorityPath = "data/ca.pem";
-        public const string ServerCertChainPath = "data/server1.pem";
-        public const string ServerPrivateKeyPath = "data/server1.key";
+        public static string ClientCertAuthorityPath
+        {
+            get
+            {
+                return GetPath("data/ca.pem");
+            }
+        }
+
+        public static string ServerCertChainPath
+        {
+            get
+            {
+                return GetPath("data/server1.pem");
+            }
+        }
+
+        public static string ServerPrivateKeyPath
+        {
+            get
+            {
+                return GetPath("data/server1.key");
+            }
+        }
 
         public static SslCredentials CreateSslCredentials()
         {
@@ -66,5 +87,11 @@ namespace Grpc.IntegrationTesting
                 File.ReadAllText(ServerPrivateKeyPath));
             return new SslServerCredentials(new[] { keyCertPair });
         }
+
+        private static string GetPath(string relativePath)
+        {
+            var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+            return Path.Combine(assemblyDir, relativePath);
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
index 2c469080d9..b84ec2d984 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
@@ -69,6 +69,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface ITestServiceClient
     {
       global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -90,6 +91,7 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface ITestService
     {
       Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context);
@@ -100,91 +102,126 @@ namespace Grpc.Testing {
       Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class TestServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<global::Grpc.Testing.StreamingInputCallRequest> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task FullDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class TestServiceClient : ClientBase, ITestServiceClient
+    public class TestServiceClient : ClientBase<TestServiceClient>, ITestServiceClient
     {
       public TestServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public TestServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected TestServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected TestServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return EmptyCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return EmptyCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingOutputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return StreamingOutputCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingOutputCall, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.AsyncServerStreamingCall(__Method_StreamingOutputCall, null, options, request);
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingInputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return StreamingInputCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingInputCall, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncClientStreamingCall(__Method_StreamingInputCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_FullDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return FullDuplexCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
       {
-        var call = CreateCall(__Method_FullDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_FullDuplexCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_HalfDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return HalfDuplexCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
       {
-        var call = CreateCall(__Method_HalfDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_HalfDuplexCall, null, options);
+      }
+      protected override TestServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new TestServiceClient(configuration);
       }
     }
 
@@ -200,6 +237,18 @@ namespace Grpc.Testing {
           .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(TestServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
+          .AddMethod(__Method_StreamingInputCall, serviceImpl.StreamingInputCall)
+          .AddMethod(__Method_FullDuplexCall, serviceImpl.FullDuplexCall)
+          .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
+    }
+
     // creates a new client
     public static TestServiceClient NewClient(Channel channel)
     {
@@ -227,6 +276,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IUnimplementedServiceClient
     {
       global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -236,36 +286,59 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IUnimplementedService
     {
       Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class UnimplementedServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class UnimplementedServiceClient : ClientBase, IUnimplementedServiceClient
+    public class UnimplementedServiceClient : ClientBase<UnimplementedServiceClient>, IUnimplementedServiceClient
     {
       public UnimplementedServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public UnimplementedServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected UnimplementedServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected UnimplementedServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return UnimplementedCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnimplementedCall, null, options, request);
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return UnimplementedCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_UnimplementedCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      protected override UnimplementedServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return new UnimplementedServiceClient(configuration);
       }
     }
 
@@ -276,6 +349,13 @@ namespace Grpc.Testing {
           .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(UnimplementedServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
+    }
+
     // creates a new client
     public static UnimplementedServiceClient NewClient(Channel channel)
     {
@@ -311,6 +391,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IReconnectServiceClient
     {
       global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -324,57 +405,81 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IReconnectService
     {
       Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.Empty request, ServerCallContext context);
       Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class ReconnectServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class ReconnectServiceClient : ClientBase, IReconnectServiceClient
+    public class ReconnectServiceClient : ClientBase<ReconnectServiceClient>, IReconnectServiceClient
     {
       public ReconnectServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public ReconnectServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected ReconnectServiceClient() : base()
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected ReconnectServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options)
+
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Start(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Start, null, options, request);
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return StartAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Start, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Stop(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_Stop, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return StopAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Stop, null, options, request);
+      }
+      protected override ReconnectServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new ReconnectServiceClient(configuration);
       }
     }
 
@@ -386,6 +491,14 @@ namespace Grpc.Testing {
           .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(ReconnectServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Start, serviceImpl.Start)
+          .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
+    }
+
     // creates a new client
     public static ReconnectServiceClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs
deleted file mode 100644
index 9f14dad6c0..0000000000
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs
+++ /dev/null
@@ -1,204 +0,0 @@
-#region Copyright notice and license
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#endregion
-
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Grpc.Core;
-
-namespace grpc.testing
-{
-    /// <summary>
-    /// TestService (this is handwritten version of code that will normally be generated).
-    /// </summary>
-    public class TestServiceGrpc
-    {
-        static readonly string ServiceName = "/grpc.testing.TestService";
-
-        static readonly Marshaller<Empty> EmptyMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), Empty.ParseFrom);
-        static readonly Marshaller<SimpleRequest> SimpleRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), SimpleRequest.ParseFrom);
-        static readonly Marshaller<SimpleResponse> SimpleResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), SimpleResponse.ParseFrom);
-        static readonly Marshaller<StreamingOutputCallRequest> StreamingOutputCallRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingOutputCallRequest.ParseFrom);
-        static readonly Marshaller<StreamingOutputCallResponse> StreamingOutputCallResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingOutputCallResponse.ParseFrom);
-        static readonly Marshaller<StreamingInputCallRequest> StreamingInputCallRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingInputCallRequest.ParseFrom);
-        static readonly Marshaller<StreamingInputCallResponse> StreamingInputCallResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingInputCallResponse.ParseFrom);
-
-        static readonly Method<Empty, Empty> EmptyCallMethod = new Method<Empty, Empty>(
-            MethodType.Unary,
-            "EmptyCall",
-            EmptyMarshaller,
-            EmptyMarshaller);
-
-        static readonly Method<SimpleRequest, SimpleResponse> UnaryCallMethod = new Method<SimpleRequest, SimpleResponse>(
-            MethodType.Unary,
-            "UnaryCall",
-            SimpleRequestMarshaller,
-            SimpleResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> StreamingOutputCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.ServerStreaming,
-            "StreamingOutputCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        static readonly Method<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCallMethod = new Method<StreamingInputCallRequest, StreamingInputCallResponse>(
-            MethodType.ClientStreaming,
-            "StreamingInputCall",
-            StreamingInputCallRequestMarshaller,
-            StreamingInputCallResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.DuplexStreaming,
-            "FullDuplexCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.DuplexStreaming,
-            "HalfDuplexCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        public interface ITestServiceClient
-        {
-            Empty EmptyCall(Empty request, CancellationToken token = default(CancellationToken));
-
-            Task<Empty> EmptyCallAsync(Empty request, CancellationToken token = default(CancellationToken));
-
-            SimpleResponse UnaryCall(SimpleRequest request, CancellationToken token = default(CancellationToken));
-
-            Task<SimpleResponse> UnaryCallAsync(SimpleRequest request, CancellationToken token = default(CancellationToken));
-
-            AsyncServerStreamingCall<StreamingOutputCallResponse> StreamingOutputCall(StreamingOutputCallRequest request, CancellationToken token = default(CancellationToken));
-
-            AsyncClientStreamingCall<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCall(CancellationToken token = default(CancellationToken));
-
-            AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCall(CancellationToken token = default(CancellationToken));
-
-            AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCall(CancellationToken token = default(CancellationToken));
-        }
-
-        public class TestServiceClientStub : AbstractStub<TestServiceClientStub, StubConfiguration>, ITestServiceClient
-        {
-            public TestServiceClientStub(Channel channel) : base(channel, StubConfiguration.Default)
-            {
-            }
-
-            public TestServiceClientStub(Channel channel, StubConfiguration config) : base(channel, config)
-            {
-            }
-
-            public Empty EmptyCall(Empty request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, EmptyCallMethod);
-                return Calls.BlockingUnaryCall(call, request, token);
-            }
-
-            public Task<Empty> EmptyCallAsync(Empty request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, EmptyCallMethod);
-                return Calls.AsyncUnaryCall(call, request, token);
-            }
-
-            public SimpleResponse UnaryCall(SimpleRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, UnaryCallMethod);
-                return Calls.BlockingUnaryCall(call, request, token);
-            }
-
-            public Task<SimpleResponse> UnaryCallAsync(SimpleRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, UnaryCallMethod);
-                return Calls.AsyncUnaryCall(call, request, token);
-            }
-
-            public AsyncServerStreamingCall<StreamingOutputCallResponse> StreamingOutputCall(StreamingOutputCallRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, StreamingOutputCallMethod);
-                return Calls.AsyncServerStreamingCall(call, request, token);
-            }
-
-            public AsyncClientStreamingCall<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, StreamingInputCallMethod);
-                return Calls.AsyncClientStreamingCall(call, token);
-            }
-
-            public AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, FullDuplexCallMethod);
-                return Calls.AsyncDuplexStreamingCall(call, token);
-            }
-
-            public AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, HalfDuplexCallMethod);
-                return Calls.AsyncDuplexStreamingCall(call, token);
-            }
-        }
-
-        // server-side interface
-        public interface ITestService
-        {
-            Task<Empty> EmptyCall(ServerCallContext context, Empty request);
-
-            Task<SimpleResponse> UnaryCall(ServerCallContext context, SimpleRequest request);
-
-            Task StreamingOutputCall(ServerCallContext context, StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-
-            Task<StreamingInputCallResponse> StreamingInputCall(ServerCallContext context, IAsyncStreamReader<StreamingInputCallRequest> requestStream);
-
-            Task FullDuplexCall(ServerCallContext context, IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-
-            Task HalfDuplexCall(ServerCallContext context, IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-        }
-
-        public static ServerServiceDefinition BindService(ITestService serviceImpl)
-        {
-            return ServerServiceDefinition.CreateBuilder(ServiceName)
-                .AddMethod(EmptyCallMethod, serviceImpl.EmptyCall)
-                .AddMethod(UnaryCallMethod, serviceImpl.UnaryCall)
-                .AddMethod(StreamingOutputCallMethod, serviceImpl.StreamingOutputCall)
-                .AddMethod(StreamingInputCallMethod, serviceImpl.StreamingInputCall)
-                .AddMethod(FullDuplexCallMethod, serviceImpl.FullDuplexCall)
-                .AddMethod(HalfDuplexCallMethod, serviceImpl.HalfDuplexCall)
-                .Build();
-        }
-
-        public static ITestServiceClient NewStub(Channel channel)
-        {
-            return new TestServiceClientStub(channel);
-        }
-    }
-}
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
index 5a1b4cf319..354318e80e 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,14 +45,14 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of TestService server
     /// </summary>
-    public class TestServiceImpl : TestService.ITestService
+    public class TestServiceImpl : TestService.TestServiceBase
     {
-        public Task<Empty> EmptyCall(Empty request, ServerCallContext context)
+        public override Task<Empty> EmptyCall(Empty request, ServerCallContext context)
         {
             return Task.FromResult(new Empty());
         }
 
-        public async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -61,7 +61,7 @@ namespace Grpc.Testing
             return response;
         }
 
-        public async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -73,7 +73,7 @@ namespace Grpc.Testing
             }
         }
 
-        public async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
+        public override async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -85,7 +85,7 @@ namespace Grpc.Testing
             return new StreamingInputCallResponse { AggregatedPayloadSize = sum };
         }
 
-        public async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -100,7 +100,7 @@ namespace Grpc.Testing
             });
         }
 
-        public async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             throw new NotImplementedException();
         }
diff --git a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
index bb2918bf46..80dad9fdd9 100644
--- a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
@@ -45,11 +45,18 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of WorkerService server
     /// </summary>
-    public class WorkerServiceImpl : WorkerService.IWorkerService
+    public class WorkerServiceImpl : WorkerService.WorkerServiceBase
     {
-        public async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
+        readonly Action stopRequestHandler;
+
+        public WorkerServiceImpl(Action stopRequestHandler)
+        {
+            this.stopRequestHandler = GrpcPreconditions.CheckNotNull(stopRequestHandler);
+        }
+        
+        public override async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
         {
-            Grpc.Core.Utils.Preconditions.CheckState(await requestStream.MoveNext());
+            GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var serverConfig = requestStream.Current.Setup;
             var runner = ServerRunners.CreateStarted(serverConfig);
 
@@ -71,9 +78,9 @@ namespace Grpc.Testing
             await runner.StopAsync();
         }
 
-        public async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
+        public override async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
         {
-            Grpc.Core.Utils.Preconditions.CheckState(await requestStream.MoveNext());
+            GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var clientConfig = requestStream.Current.Setup;
             var runner = ClientRunners.CreateStarted(clientConfig);
 
@@ -92,5 +99,16 @@ namespace Grpc.Testing
             }
             await runner.StopAsync();
         }
+
+        public override Task<CoreResponse> CoreCount(CoreRequest request, ServerCallContext context)
+        {
+            return Task.FromResult(new CoreResponse { Cores = Environment.ProcessorCount });
+        }
+
+        public override Task<Void> QuitWorker(Void request, ServerCallContext context)
+        {
+            stopRequestHandler();
+            return Task.FromResult(new Void());
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/app.config b/src/csharp/Grpc.IntegrationTesting/app.config
deleted file mode 100644
index 84d7534d65..0000000000
--- a/src/csharp/Grpc.IntegrationTesting/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/packages.config b/src/csharp/Grpc.IntegrationTesting/packages.config
index 462dc9d604..3fef67dca4 100644
--- a/src/csharp/Grpc.IntegrationTesting/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting/packages.config
@@ -2,15 +2,12 @@
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
   <package id="CommandLineParser" version="1.9.71" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
   <package id="Moq" version="4.2.1510.2205" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Tools.nuspec b/src/csharp/Grpc.Tools.nuspec
index 48a7b1f3af..31d1bed647 100644
--- a/src/csharp/Grpc.Tools.nuspec
+++ b/src/csharp/Grpc.Tools.nuspec
@@ -4,18 +4,29 @@
     <id>Grpc.Tools</id>
     <title>gRPC C# Tools</title>
     <summary>Tools for C# implementation of gRPC - an RPC library and framework</summary>
-    <description>Precompiled Windows binary for generating gRPC client/server code</description>
+    <description>Precompiled protobuf compiler and gRPC protobuf compiler plugin for generating gRPC client/server C# code. Binaries are available for Windows, Linux and MacOS.</description>
     <version>$version$</version>
     <authors>Google Inc.</authors>
     <owners>grpc-packages</owners>
     <licenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</licenseUrl>
     <projectUrl>https://github.com/grpc/grpc</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <releaseNotes>grpc_csharp_plugin.exe - gRPC C# protoc plugin version $version$</releaseNotes>
+    <releaseNotes>Release $version$</releaseNotes>
     <copyright>Copyright 2015, Google Inc.</copyright>
     <tags>gRPC RPC Protocol HTTP/2</tags>
   </metadata>
   <files>
-    <file src="..\..\vsprojects\Release\grpc_csharp_plugin.exe" target="tools" />
+    <file src="protoc_plugins\windows_x86\protoc.exe" target="tools\windows_x86\protoc.exe" />
+    <file src="protoc_plugins\windows_x86\grpc_csharp_plugin.exe" target="tools\windows_x86\grpc_csharp_plugin.exe" />
+    <file src="protoc_plugins\windows_x64\protoc.exe" target="tools\windows_x64\protoc.exe" />
+    <file src="protoc_plugins\windows_x64\grpc_csharp_plugin.exe" target="tools\windows_x64\grpc_csharp_plugin.exe" />
+    <file src="protoc_plugins\linux_x86\protoc" target="tools\linux_x86\protoc" />
+    <file src="protoc_plugins\linux_x86\grpc_csharp_plugin" target="tools\linux_x86\grpc_csharp_plugin" />
+    <file src="protoc_plugins\linux_x64\protoc" target="tools\linux_x64\protoc" />
+    <file src="protoc_plugins\linux_x64\grpc_csharp_plugin" target="tools\linux_x64\grpc_csharp_plugin" />
+    <file src="protoc_plugins\macosx_x86\protoc" target="tools\macosx_x86\protoc" />
+    <file src="protoc_plugins\macosx_x86\grpc_csharp_plugin" target="tools\macosx_x86\grpc_csharp_plugin" />
+    <file src="protoc_plugins\macosx_x64\protoc" target="tools\macosx_x64\protoc" />
+    <file src="protoc_plugins\macosx_x64\grpc_csharp_plugin" target="tools\macosx_x64\grpc_csharp_plugin" />
   </files>
 </package>
diff --git a/src/csharp/README.md b/src/csharp/README.md
index 65ae0b5efd..201c5ab0b5 100644
--- a/src/csharp/README.md
+++ b/src/csharp/README.md
@@ -12,9 +12,9 @@ Beta
 PREREQUISITES
 --------------
 
-- Windows: .NET Framework 4.5+, Visual Studio 2013 or 2015.
-- Linux: Mono 3.2.8+, MonoDevelop 5.9 with NuGet add-in installed.
-- Mac OS X: [homebrew][], Xamarin Studio with NuGet add-in installed.
+- Windows: .NET Framework 4.5+, Visual Studio 2013 or 2015
+- Linux: Mono 4+, MonoDevelop 5.9+ (with NuGet add-in installed)
+- Mac OS X: Xamarin Studio 5.9+
 
 HOW TO USE
 --------------
@@ -24,66 +24,28 @@ HOW TO USE
 - Open Visual Studio and start a new project/solution.
 
 - Add NuGet package `Grpc` as a dependency (Project options -> Manage NuGet Packages).
-  That will also pull all the transitive dependencies (including the native libraries that
+  That will also pull all the transitive dependencies (including the gRPC native library that
   gRPC C# is using internally).
 
 **Linux (Debian)**
 
-- Add [Debian jessie-backports][] to your `sources.list` file. Example:
-
-  ```sh
-  echo "deb http://http.debian.net/debian jessie-backports main" | \
-  sudo tee -a /etc/apt/sources.list
-  ```
-
-- Install the gRPC Debian package
-
-  ```sh
-  sudo apt-get update
-  sudo apt-get install libgrpc0
-  ```
-
-- gRPC C# depends on native shared library `libgrpc_csharp_ext.so` (Unix flavor of grpc_csharp_ext.dll).
-  This library is not part of the base gRPC debian package and needs to be installed manually from
-  a `.deb` file. Download the debian package `libgrpc_csharp_ext` from corresponding gRPC release on GitHub
-  and install it using `dpkg`.
-
-  ```sh
-  # choose version corresponding to the version of libgrpc you've installed.
-  wget https://github.com/grpc/grpc/releases/download/release-0_11_0/libgrpc-csharp-ext0_0.11.0.0-1_amd64.deb
-  dpkg -i libgrpc-csharp-ext0_0.11.0.0-1_amd64.deb
-  ```
-
 - Open MonoDevelop and start a new project/solution.
 
 - Add NuGet package `Grpc` as a dependency (Project -> Add NuGet packages).
+  That will also pull all the transitive dependencies (including the gRPC native library that
+  gRPC C# is using internally).
 
-- NOTE: Currently, there are no debian packages for the latest version Protocol Buffers compiler (_protoc_)
-  and the gRPC _protoc_ plugin. You can install them using [gRPC Linuxbrew instructions][].
+- NOTE: gRPC C# doesn't have a good story yet for shipping precompiled Linux version of Protocol Buffers compiler (_protoc_) and the gRPC _protoc_ plugin. You can install them using [gRPC Linuxbrew instructions][].
 
 **Mac OS X**
 
-- WARNING: As of now gRPC C# only works on 64bit version of Mono (because we don't compile
-  the native extension for C# in 32bit mode yet). That means your development experience
-  with Xamarin Studio on MacOS will not be great, as you won't be able to run your
-  code directly from Xamarin Studio (which requires 32bit version of Mono).
-
-- Install [homebrew][]. Run the following command to install gRPC C# native dependencies.
-
-  ```sh
-  $ curl -fsSL https://goo.gl/getgrpc | bash -
-  ```
-  This will download and run the [gRPC install script][], then install the latest version of gRPC C core and native C# extension.
-  It also installs Protocol Buffers compiler (_protoc_) and the gRPC _protoc_ plugin for C#.
-
-- Install 64-bit version of mono with command `brew install mono`.
-
 - Open Xamarin Studio and start a new project/solution.
 
 - Add NuGet package `Grpc` as a dependency (Project -> Add NuGet packages).
+  That will also pull all the transitive dependencies (including the gRPC native library that
+  gRPC C# is using internally).
 
-- *You will be able to build your project in Xamarin Studio, but to run or test it,
-  you will need to run it under 64-bit version of Mono.*
+- NOTE: gRPC C# doesn't have a good story yet for shipping precompiled Mac OS X version of Protocol Buffers compiler (_protoc_) and the gRPC _protoc_ plugin. You can install them using [gRPC Homebrew instructions][].
 
 BUILD FROM SOURCE
 -----------------
@@ -93,39 +55,32 @@ If you are a user of gRPC C#, go to Usage section above.
 
 **Windows**
 
-- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution. You can 
-  either build the native solution in `vsprojects/grpc.sln` from Visual Studio manually, or you can use
-  a convenience batch script that builds everything for you.
+- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution. Open the
+  solution `vsprojects/grpc_csharp_ext.sln` in Visual Studio and build it.
 
-  ```
-  > REM From src/csharp directory
-  > buildall.bat
-  ```
-
-- Open Grpc.sln using Visual Studio. NuGet dependencies will be restored
-  upon build (you need to have NuGet add-in installed).
+- Open `src\csharp\Grpc.sln` (path is relative to gRPC repository root)
+  using Visual Studio
 
 **Linux**
 
+- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution:
   ```sh
-  $ sudo apt-get install mono-devel
-  $ sudo apt-get install nunit nunit-console
+  # from the gRPC repository root
+  $ make CONFIG=dbg grpc_csharp_ext
   ```
 
-You can use older versions of MonoDevelop, but then you might need to restore
-NuGet dependencies manually (by `nuget restore`), because older versions of MonoDevelop
-don't support NuGet add-in.
+- Use MonoDevelop to open the solution Grpc.sln
+
+**Mac OS X**
+
+- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution.
 
-- Compile and install the gRPC C# extension library (that will be used via
-  P/Invoke from C#).
   ```sh
-  $ make grpc_csharp_ext
-  $ sudo make install_grpc_csharp_ext
+  # from the gRPC repository root
+  $ tools/run_tests/run_tests.py -c dbg -l csharp --build_only
   ```
 
-- Use MonoDevelop to open the solution Grpc.sln
-
-- Build the solution & run all the tests from test view.
+- Use Xamarin Studio to open the solution Grpc.sln
 
 RUNNING TESTS
 -------------
@@ -135,17 +90,9 @@ gRPC C# is using NUnit as the testing framework.
 Under Visual Studio, make sure NUnit test adapter is installed (under "Extensions and Updates").
 Then you should be able to run all the tests using Test Explorer.
 
-Under Monodevelop, make sure you installed "NUnit support" in Add-in manager.
+Under Monodevelop or Xamarin Studio, make sure you installed "NUnit support" in Add-in manager.
 Then you should be able to run all the test from the Test View.
 
-After building the solution, you can also run the tests from command line 
-using nunit-console tool.
-
-```sh
-# from Grpc.Core.Test/bin/Debug directory
-$ nunit-console Grpc.Core.Tests.dll
-```
-
 gRPC team uses a Python script to simplify facilitate running tests for
 different languages.
 
@@ -176,27 +123,15 @@ CONTENTS
 - Grpc.IntegrationTesting:
   Cross-language gRPC implementation testing (interop testing).
 
-TROUBLESHOOTING
+THE NATIVE DEPENDENCY
 ---------------
 
-### Problem: Unable to load DLL 'grpc_csharp_ext.dll'
-
-Internally, gRPC C# uses a native library written in C (gRPC C core) and invokes its functionality via P/Invoke. `grpc_csharp_ext` library is a native extension library that facilitates this by wrapping some C core API into a form that's more digestible for P/Invoke. If you get the above error, it means that the native dependencies could not be located by the C# runtime (or they are incompatible with the current runtime, so they could not be loaded). The solution to this is environment specific.
-
-- If you are developing on Windows in Visual Studio, the `grpc_csharp_ext.dll` that is shipped by gRPC nuget packages should be automatically copied to your build destination folder once you build. By adjusting project properties in your VS project file, you can influence which exact configuration of `grpc_csharp_ext.dll` will be used (based on VS version, bitness, debug/release configuration).
-
-- If you are running your application that is using gRPC on Windows machine that doesn't have Visual Studio installed, you might need to install [Visual C++ 2013 redistributable](https://www.microsoft.com/en-us/download/details.aspx?id=40784) that contains some system .dll libraries that `grpc_csharp_ext.dll` depends on (see #905 for more details).
-
-- On Linux (or Docker), you need to first install gRPC C core and `libgrpc_csharp_ext.so` shared libraries.
-  See [How to Use](#how-to-use) section for details how to install it.
-  Installation on a machine where your application is going to be deployed is no different.
-
-- On Mac, you need to first install gRPC C core and `libgrpc_csharp_ext.dylib` shared libraries using Homebrew. See above for installation instruction.
-  Installation on a machine where your application is going to be deployed is no different.
+Internally, gRPC C# uses a native library written in C (gRPC C core) and invokes its functionality via P/Invoke. `grpc_csharp_ext` library is a native extension library that facilitates this by wrapping some C core API into a form that's more digestible for P/Invoke.
 
-- Possible cause for the problem is that the `grpc_csharp_ext` library is installed, but it has different bitness (32/64bit) than your C# runtime (in case you are using mono) or C# application.
+Prior to version 0.13, installing `grpc_csharp_ext` was required to make gRPC work on Linux and MacOS. Starting with version 0.13, we have improved the packaging story significantly and precompiled versions of the native library for all supported platforms are now shipped with the NuGet package. Just installing the `Grpc` NuGet package should be the only step needed to use gRPC C#, regardless of your platform (Windows, Linux or Mac) and the bitness (32 or 64bit).
 
 [gRPC Linuxbrew instructions]:https://github.com/grpc/homebrew-grpc#quick-install-linux
+[gRPC Homebrew instructions]:https://github.com/grpc/homebrew-grpc#quick-install-linux
 [homebrew]:http://brew.sh
 [gRPC install script]:https://raw.githubusercontent.com/grpc/homebrew-grpc/master/scripts/install
 [grpc.io]: http://www.grpc.io/docs/installation/csharp.html
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index b7768f7821..9a60be26b6 100644
--- a/src/csharp/build_packages.bat
+++ b/src/csharp/build_packages.bat
@@ -12,12 +12,20 @@ set NUGET=C:\nuget\nuget.exe
 
 @rem Collect the artifacts built by the previous build step if running on Jenkins
 @rem TODO(jtattermusch): is there a better way to do this?
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x64\
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x64\
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x64\
+
+@rem Collect protoc artifacts built by the previous build step
+xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x86\
+xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x64\
+xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=linux\artifacts\* protoc_plugins\linux_x86\
+xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=linux\artifacts\* protoc_plugins\linux_x64\
+xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=macos\artifacts\* protoc_plugins\macosx_x86\
+xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=macos\artifacts\* protoc_plugins\macosx_x64\
 
 @rem Fetch all dependencies
 %NUGET% restore ..\..\vsprojects\grpc_csharp_ext.sln || goto :error
@@ -27,24 +35,18 @@ setlocal
 
 @call "%VS120COMNTOOLS%\..\..\vc\vcvarsall.bat" x86
 
-@rem We won't use the native libraries from this step, but without this Grpc.sln will fail.  
+@rem We won't use the native libraries from this step, but without this Grpc.sln will fail.
 msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Release /p:PlatformToolset=v120 || goto :error
 
 msbuild Grpc.sln /p:Configuration=ReleaseSigned || goto :error
 
 endlocal
 
-@rem TODO(jtattermusch): re-enable protoc plugin building
-@rem @call ..\..\vsprojects\build_plugins.bat || goto :error
-
-%NUGET% pack grpc.native.csharp\grpc.native.csharp.nuspec -Version %VERSION% || goto :error
 %NUGET% pack Grpc.Auth\Grpc.Auth.nuspec -Symbols -Version %VERSION% || goto :error
 %NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols -Version %VERSION% || goto :error
 %NUGET% pack Grpc.HealthCheck\Grpc.HealthCheck.nuspec -Symbols -Version %VERSION_WITH_BETA% -Properties ProtobufVersion=%PROTOBUF_VERSION% || goto :error
 %NUGET% pack Grpc.nuspec -Version %VERSION% || goto :error
-
-@rem TODO(jtattermusch): re-enable building Grpc.Tools package
-@rem %NUGET% pack Grpc.Tools.nuspec -Version %VERSION% || goto :error
+%NUGET% pack Grpc.Tools.nuspec -Version %VERSION% || goto :error
 
 @rem copy resulting nuget packages to artifacts directory
 xcopy /Y /I *.nupkg ..\..\artifacts\
diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 1df74a0993..8d769e5f6a 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <grpc/byte_buffer_reader.h>
 #include <grpc/support/port_platform.h>
diff --git a/src/csharp/generate_proto_csharp.sh b/src/csharp/generate_proto_csharp.sh
index 0261a458af..9ac770b79d 100755
--- a/src/csharp/generate_proto_csharp.sh
+++ b/src/csharp/generate_proto_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@ $PROTOC --plugin=$PLUGIN --csharp_out=$EXAMPLES_DIR --grpc_out=$EXAMPLES_DIR \
     -I src/proto/math src/proto/math/math.proto
 
 $PROTOC --plugin=$PLUGIN --csharp_out=$HEALTHCHECK_DIR --grpc_out=$HEALTHCHECK_DIR \
-    -I src/proto/grpc/health/v1alpha src/proto/grpc/health/v1alpha/health.proto
+    -I src/proto/grpc/health/v1 src/proto/grpc/health/v1/health.proto
 
 $PROTOC --plugin=$PLUGIN --csharp_out=$TESTING_DIR --grpc_out=$TESTING_DIR \
     -I . src/proto/grpc/testing/{control,empty,messages,payloads,services,stats,test}.proto 
diff --git a/src/csharp/grpc.native.csharp/README.md b/src/csharp/grpc.native.csharp/README.md
deleted file mode 100644
index 77f1cb9b1f..0000000000
--- a/src/csharp/grpc.native.csharp/README.md
+++ /dev/null
@@ -1,22 +0,0 @@
-gRPC Native Nuget package
-=========================
-
-Prerequisites
--------------
-
-NuGet binary
-
-Building the package
---------------------
-
-To build the native package, you need precompiled versions
-of grpc_csharp_ext library artifacts for Windows, Linux and Mac.
-In the normal gRPC release process, these are built by a Jenkins
-job and they are copied to the expected location before building
-the native nuget package is attempted.
-
-See tools/run_tests/build_artifacts.py for more details how
-precompiled artifacts are built.
-
-When building the native NuGet package, ignore the "Assembly outside lib folder"
-warnings (the DLLs are not assemblies, they are native libraries).
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
index 6a1795b709..cc688e2bc7 100644
--- a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
+++ b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
@@ -10,7 +10,7 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Native extension needed by gRPC C# library. This is not the package you are looking for, it is only meant to be used as a dependency.</description>
     <releaseNotes>Release of gRPC C core $version$ libraries.</releaseNotes>
-    <copyright>Copyright 2015-2016</copyright>
+    <copyright>Copyright 2015</copyright>
     <title>gRPC C# Native Extension</title>
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
diff --git a/src/csharp/tests.json b/src/csharp/tests.json
index 4aa93668ad..f733352a31 100644
--- a/src/csharp/tests.json
+++ b/src/csharp/tests.json
@@ -1,11 +1,5 @@
 {
-  "assemblies": [
-    "Grpc.Core.Tests",
-    "Grpc.Examples.Tests",
-    "Grpc.HealthCheck.Tests",
-    "Grpc.IntegrationTesting"
-  ],
-  "tests": [
+  "Grpc.Core.Tests": [
     "Grpc.Core.Internal.Tests.AsyncCallTest",
     "Grpc.Core.Internal.Tests.ChannelArgsSafeHandleTest",
     "Grpc.Core.Internal.Tests.CompletionQueueEventTest",
@@ -21,6 +15,7 @@
     "Grpc.Core.Tests.CompressionTest",
     "Grpc.Core.Tests.ContextPropagationTest",
     "Grpc.Core.Tests.GrpcEnvironmentTest",
+    "Grpc.Core.Tests.HalfcloseTest",
     "Grpc.Core.Tests.MarshallingErrorsTest",
     "Grpc.Core.Tests.MetadataTest",
     "Grpc.Core.Tests.NUnitVersionTest",
@@ -31,11 +26,18 @@
     "Grpc.Core.Tests.ServerTest",
     "Grpc.Core.Tests.ShutdownTest",
     "Grpc.Core.Tests.TimeoutsTest",
-    "Grpc.Core.Tests.UserAgentStringTest",
-    "Math.Tests.MathClientServerTest",
+    "Grpc.Core.Tests.UserAgentStringTest"
+  ],
+  "Grpc.Examples.Tests": [
+    "Math.Tests.MathClientServerTest"
+  ],
+  "Grpc.HealthCheck.Tests": [
     "Grpc.HealthCheck.Tests.HealthClientServerTest",
-    "Grpc.HealthCheck.Tests.HealthServiceImplTest",
-    "Grpc.IntegrationTesting.HeaderInterceptorTest",
+    "Grpc.HealthCheck.Tests.HealthServiceImplTest"
+  ],
+  "Grpc.IntegrationTesting": [
+    "Grpc.IntegrationTesting.GeneratedClientTest",
+    "Grpc.IntegrationTesting.GeneratedServiceBaseTest",
     "Grpc.IntegrationTesting.HistogramTest",
     "Grpc.IntegrationTesting.InteropClientServerTest",
     "Grpc.IntegrationTesting.MetadataCredentialsTest",
diff --git a/src/node/README.md b/src/node/README.md
index b46b986243..15d4c6d02f 100644
--- a/src/node/README.md
+++ b/src/node/README.md
@@ -5,7 +5,9 @@
 Beta
 
 ## PREREQUISITES
-- `node`: This requires `node` to be installed. If you instead have the `nodejs` executable on Debian, you should install the [`nodejs-legacy`](https://packages.debian.org/sid/nodejs-legacy) package.
+- `node`: This requires `node` to be installed, version `0.12` or above. If you instead have the `nodejs` executable on Debian, you should install the [`nodejs-legacy`](https://packages.debian.org/sid/nodejs-legacy) package.
+
+- **Note:** If you installed `node` via a package manager and the version is still less than `0.12`, try directly installing it from [nodejs.org](https://nodejs.org).
 
 ## INSTALLATION
 
@@ -17,7 +19,21 @@ npm install grpc
 
 ## BUILD FROM SOURCE
  1. Clone [the grpc Git Repository](https://github.com/grpc/grpc).
- 3. Run `npm install`.
+ 2. Run `npm install` from the repository root.
+
+ - **Note:** On Windows, this might fail due to [nodejs issue #4932](https://github.com/nodejs/node/issues/4932) in which case, you will see something like the following in `npm install`'s output (towards the very beginning):
+
+    ```
+     ..
+     Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
+     WINDOWS_BUILD_WARNING
+      "..\IMPORTANT: Due to https:\github.com\nodejs\node\issues\4932, to build this library on Windows, you must first remove C:\Users\jenkins\.node-gyp\4.4.0\include\node\openssl"
+      ...
+      ..
+    ```
+
+    To fix this, you will have to delete the folder `C:\Users\<username>\.node-gyp\<node_version>\include\node\openssl` and retry `npm install`
+
 
 ## TESTING
 To run the test suite, simply run `npm test` in the install location.
diff --git a/src/node/ext/byte_buffer.cc b/src/node/ext/byte_buffer.cc
index 0f7edada14..8e0b6916e9 100644
--- a/src/node/ext/byte_buffer.cc
+++ b/src/node/ext/byte_buffer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/ext/call.cc b/src/node/ext/call.cc
index da312886ce..9f023b5883 100644
--- a/src/node/ext/call.cc
+++ b/src/node/ext/call.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/ext/call_credentials.cc b/src/node/ext/call_credentials.cc
index 91acb86254..3c8f0c56da 100644
--- a/src/node/ext/call_credentials.cc
+++ b/src/node/ext/call_credentials.cc
@@ -35,6 +35,8 @@
 #include <nan.h>
 #include <uv.h>
 
+#include <list>
+
 #include "grpc/grpc.h"
 #include "grpc/grpc_security.h"
 #include "grpc/support/log.h"
@@ -161,6 +163,15 @@ NAN_METHOD(CallCredentials::CreateFromPlugin) {
   grpc_metadata_credentials_plugin plugin;
   plugin_state *state = new plugin_state;
   state->callback = new Nan::Callback(info[0].As<Function>());
+  state->pending_callbacks = new std::list<plugin_callback_data*>();
+  uv_mutex_init(&state->plugin_mutex);
+  uv_async_init(uv_default_loop(),
+                &state->plugin_async,
+                SendPluginCallback);
+  uv_unref((uv_handle_t*)&state->plugin_async);
+
+  state->plugin_async.data = state;
+
   plugin.get_metadata = plugin_get_metadata;
   plugin.destroy = plugin_destroy_state;
   plugin.state = reinterpret_cast<void*>(state);
@@ -187,7 +198,8 @@ NAN_METHOD(PluginCallback) {
   shared_ptr<Resources> resources(new Resources);
   grpc_status_code code = static_cast<grpc_status_code>(
       Nan::To<uint32_t>(info[0]).FromJust());
-  char *details = *Utf8String(info[1]);
+  Utf8String details_utf8_str(info[1]);
+  char *details = *details_utf8_str;
   grpc_metadata_array array;
   if (!CreateMetadataArray(Nan::To<Object>(info[2]).ToLocalChecked(),
                            &array, resources)){
@@ -207,48 +219,60 @@ NAN_METHOD(PluginCallback) {
 
 NAUV_WORK_CB(SendPluginCallback) {
   Nan::HandleScope scope;
-  plugin_callback_data *data = reinterpret_cast<plugin_callback_data*>(
-      async->data);
-  // Attach cb and user_data to plugin_callback so that it can access them later
-  v8::Local<v8::Function> plugin_callback = Nan::GetFunction(
-      Nan::New<v8::FunctionTemplate>(PluginCallback)).ToLocalChecked();
-  Nan::Set(plugin_callback, Nan::New("cb").ToLocalChecked(),
-           Nan::New<v8::External>(reinterpret_cast<void*>(data->cb)));
-  Nan::Set(plugin_callback, Nan::New("user_data").ToLocalChecked(),
-           Nan::New<v8::External>(data->user_data));
-  const int argc = 2;
-  v8::Local<v8::Value> argv[argc] = {
-    Nan::New(data->service_url).ToLocalChecked(),
-    plugin_callback
-  };
-  Nan::Callback *callback = data->state->callback;
-  callback->Call(argc, argv);
-  delete data;
-  uv_unref((uv_handle_t *)async);
-  uv_close((uv_handle_t *)async, (uv_close_cb)free);
+  plugin_state *state = reinterpret_cast<plugin_state*>(async->data);
+  std::list<plugin_callback_data*> callbacks;
+  uv_mutex_lock(&state->plugin_mutex);
+  callbacks.splice(callbacks.begin(), *state->pending_callbacks);
+  uv_mutex_unlock(&state->plugin_mutex);
+  while (!callbacks.empty()) {
+    plugin_callback_data *data = callbacks.front();
+    callbacks.pop_front();
+    // Attach cb and user_data to plugin_callback so that it can access them later
+    v8::Local<v8::Function> plugin_callback = Nan::GetFunction(
+        Nan::New<v8::FunctionTemplate>(PluginCallback)).ToLocalChecked();
+    Nan::Set(plugin_callback, Nan::New("cb").ToLocalChecked(),
+             Nan::New<v8::External>(reinterpret_cast<void*>(data->cb)));
+    Nan::Set(plugin_callback, Nan::New("user_data").ToLocalChecked(),
+             Nan::New<v8::External>(data->user_data));
+    const int argc = 2;
+    v8::Local<v8::Value> argv[argc] = {
+      Nan::New(data->service_url).ToLocalChecked(),
+      plugin_callback
+    };
+    Nan::Callback *callback = state->callback;
+    callback->Call(argc, argv);
+    delete data;
+  }
 }
 
 void plugin_get_metadata(void *state, grpc_auth_metadata_context context,
                          grpc_credentials_plugin_metadata_cb cb,
                          void *user_data) {
-  uv_async_t *async = static_cast<uv_async_t*>(malloc(sizeof(uv_async_t)));
-  uv_async_init(uv_default_loop(),
-                async,
-                SendPluginCallback);
+  plugin_state *p_state = reinterpret_cast<plugin_state*>(state);
   plugin_callback_data *data = new plugin_callback_data;
-  data->state = reinterpret_cast<plugin_state*>(state);
   data->service_url = context.service_url;
   data->cb = cb;
   data->user_data = user_data;
-  async->data = data;
-  /* libuv says that it will coalesce calls to uv_async_send. If there is ever a
-   * problem with a callback not getting called, that is probably the reason */
-  uv_async_send(async);
+
+  uv_mutex_lock(&p_state->plugin_mutex);
+  p_state->pending_callbacks->push_back(data);
+  uv_mutex_unlock(&p_state->plugin_mutex);
+
+  uv_async_send(&p_state->plugin_async);
+}
+
+void plugin_uv_close_cb(uv_handle_t *handle) {
+  uv_async_t *async = reinterpret_cast<uv_async_t*>(handle);
+  plugin_state *state = reinterpret_cast<plugin_state *>(async->data);
+  uv_mutex_destroy(&state->plugin_mutex);
+  delete state->pending_callbacks;
+  delete state->callback;
+  delete state;
 }
 
 void plugin_destroy_state(void *ptr) {
   plugin_state *state = reinterpret_cast<plugin_state *>(ptr);
-  delete state->callback;
+  uv_close((uv_handle_t*)&state->plugin_async, plugin_uv_close_cb);
 }
 
 }  // namespace node
diff --git a/src/node/ext/call_credentials.h b/src/node/ext/call_credentials.h
index a9bfe30f94..04c852bea1 100644
--- a/src/node/ext/call_credentials.h
+++ b/src/node/ext/call_credentials.h
@@ -34,8 +34,11 @@
 #ifndef GRPC_NODE_CALL_CREDENTIALS_H_
 #define GRPC_NODE_CALL_CREDENTIALS_H_
 
+#include <list>
+
 #include <node.h>
 #include <nan.h>
+#include <uv.h>
 #include "grpc/grpc_security.h"
 
 namespace grpc {
@@ -73,17 +76,20 @@ class CallCredentials : public Nan::ObjectWrap {
 
 /* Auth metadata plugin functionality */
 
-typedef struct plugin_state {
-  Nan::Callback *callback;
-} plugin_state;
-
 typedef struct plugin_callback_data {
-  plugin_state *state;
   const char *service_url;
   grpc_credentials_plugin_metadata_cb cb;
   void *user_data;
 } plugin_callback_data;
 
+typedef struct plugin_state {
+  Nan::Callback *callback;
+  std::list<plugin_callback_data*> *pending_callbacks;
+  uv_mutex_t plugin_mutex;
+  // async.data == this
+  uv_async_t plugin_async;
+} plugin_state;
+
 void plugin_get_metadata(void *state, grpc_auth_metadata_context context,
                          grpc_credentials_plugin_metadata_cb cb,
                          void *user_data);
diff --git a/src/node/ext/node_grpc.cc b/src/node/ext/node_grpc.cc
index 654c5aed09..b988f29878 100644
--- a/src/node/ext/node_grpc.cc
+++ b/src/node/ext/node_grpc.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -237,7 +237,8 @@ NAN_METHOD(MetadataKeyIsLegal) {
         "headerKeyIsLegal's argument must be a string");
   }
   Local<String> key = Nan::To<String>(info[0]).ToLocalChecked();
-  char *key_str = *Nan::Utf8String(key);
+  Nan::Utf8String key_utf8_str(key);
+  char *key_str = *key_utf8_str;
   info.GetReturnValue().Set(static_cast<bool>(
       grpc_header_key_is_legal(key_str, static_cast<size_t>(key->Length()))));
 }
@@ -248,7 +249,8 @@ NAN_METHOD(MetadataNonbinValueIsLegal) {
         "metadataNonbinValueIsLegal's argument must be a string");
   }
   Local<String> value = Nan::To<String>(info[0]).ToLocalChecked();
-  char *value_str = *Nan::Utf8String(value);
+  Nan::Utf8String value_utf8_str(value);
+  char *value_str = *value_utf8_str;
   info.GetReturnValue().Set(static_cast<bool>(
       grpc_header_nonbin_value_is_legal(
           value_str, static_cast<size_t>(value->Length()))));
@@ -260,7 +262,8 @@ NAN_METHOD(MetadataKeyIsBinary) {
         "metadataKeyIsLegal's argument must be a string");
   }
   Local<String> key = Nan::To<String>(info[0]).ToLocalChecked();
-  char *key_str = *Nan::Utf8String(key);
+  Nan::Utf8String key_utf8_str(key);
+  char *key_str = *key_utf8_str;
   info.GetReturnValue().Set(static_cast<bool>(
       grpc_is_binary_header(key_str, static_cast<size_t>(key->Length()))));
 }
diff --git a/src/node/ext/timeval.cc b/src/node/ext/timeval.cc
index c8f8534cfa..9284db62ef 100644
--- a/src/node/ext/timeval.cc
+++ b/src/node/ext/timeval.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/health_check/health.js b/src/node/health_check/health.js
index 1a2c036687..5236683088 100644
--- a/src/node/health_check/health.js
+++ b/src/node/health_check/health.js
@@ -38,9 +38,9 @@ var grpc = require('../');
 var _ = require('lodash');
 
 var health_proto = grpc.load(__dirname +
-    '/../../proto/grpc/health/v1alpha/health.proto');
+    '/../../proto/grpc/health/v1/health.proto');
 
-var HealthClient = health_proto.grpc.health.v1alpha.Health;
+var HealthClient = health_proto.grpc.health.v1.Health;
 
 function HealthImplementation(statusMap) {
   this.statusMap = _.clone(statusMap);
diff --git a/src/node/index.js b/src/node/index.js
index 7eacdc67b1..d345a5142d 100644
--- a/src/node/index.js
+++ b/src/node/index.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,17 +56,18 @@ var grpc = require('./src/grpc_extension');
 /**
  * Load a gRPC object from an existing ProtoBuf.Reflect object.
  * @param {ProtoBuf.Reflect.Namespace} value The ProtoBuf object to load.
+ * @param {Object=} options Options to apply to the loaded object
  * @return {Object<string, *>} The resulting gRPC object
  */
-exports.loadObject = function loadObject(value) {
+exports.loadObject = function loadObject(value, options) {
   var result = {};
   if (value.className === 'Namespace') {
     _.each(value.children, function(child) {
-      result[child.name] = loadObject(child);
+      result[child.name] = loadObject(child, options);
     });
     return result;
   } else if (value.className === 'Service') {
-    return client.makeProtobufClientConstructor(value);
+    return client.makeProtobufClientConstructor(value, options);
   } else if (value.className === 'Message' || value.className === 'Enum') {
     return value.build();
   } else {
@@ -77,28 +78,49 @@ exports.loadObject = function loadObject(value) {
 var loadObject = exports.loadObject;
 
 /**
- * Load a gRPC object from a .proto file.
- * @param {string} filename The file to load
+ * Load a gRPC object from a .proto file. The options object can provide the
+ * following options:
+ * - convertFieldsToCamelCase: Loads this file with that option on protobuf.js
+ *   set as specified. See
+ *   https://github.com/dcodeIO/protobuf.js/wiki/Advanced-options for details
+ * - binaryAsBase64: deserialize bytes values as base64 strings instead of
+ *   Buffers. Defaults to false
+ * - longsAsStrings: deserialize long values as strings instead of objects.
+ *   Defaults to true
+ * - deprecatedArgumentOrder: Use the beta method argument order for client
+ *   methods, with optional arguments after the callback. Defaults to false.
+ *   This option is only a temporary stopgap measure to smooth an API breakage.
+ *   It is deprecated, and new code should not use it.
+ * @param {string|{root: string, file: string}} filename The file to load
  * @param {string=} format The file format to expect. Must be either 'proto' or
  *     'json'. Defaults to 'proto'
+ * @param {Object=} options Options to apply to the loaded file
  * @return {Object<string, *>} The resulting gRPC object
  */
-exports.load = function load(filename, format) {
+exports.load = function load(filename, format, options) {
   if (!format) {
     format = 'proto';
   }
+  var convertFieldsToCamelCaseOriginal = ProtoBuf.convertFieldsToCamelCase;
+  if(options && options.hasOwnProperty('convertFieldsToCamelCase')) {
+    ProtoBuf.convertFieldsToCamelCase = options.convertFieldsToCamelCase;
+  }
   var builder;
-  switch(format) {
-    case 'proto':
-    builder = ProtoBuf.loadProtoFile(filename);
-    break;
-    case 'json':
-    builder = ProtoBuf.loadJsonFile(filename);
-    break;
-    default:
-    throw new Error('Unrecognized format "' + format + '"');
+  try {
+    switch(format) {
+      case 'proto':
+      builder = ProtoBuf.loadProtoFile(filename);
+      break;
+      case 'json':
+      builder = ProtoBuf.loadJsonFile(filename);
+      break;
+      default:
+      throw new Error('Unrecognized format "' + format + '"');
+    }
+  } finally {
+    ProtoBuf.convertFieldsToCamelCase = convertFieldsToCamelCaseOriginal;
   }
-  return loadObject(builder.ns);
+  return loadObject(builder.ns, options);
 };
 
 /**
diff --git a/src/node/interop/async_delay_queue.js b/src/node/interop/async_delay_queue.js
index df57209637..5df1e00921 100644
--- a/src/node/interop/async_delay_queue.js
+++ b/src/node/interop/async_delay_queue.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/interop/interop_client.js b/src/node/interop/interop_client.js
index db383e4d00..e8f2d37bd8 100644
--- a/src/node/interop/interop_client.js
+++ b/src/node/interop/interop_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -286,10 +286,11 @@ function cancelAfterFirstResponse(client, done) {
 function timeoutOnSleepingServer(client, done) {
   var deadline = new Date();
   deadline.setMilliseconds(deadline.getMilliseconds() + 1);
-  var call = client.fullDuplexCall(null, {deadline: deadline});
+  var call = client.fullDuplexCall({deadline: deadline});
   call.write({
     payload: {body: zeroBuffer(27182)}
   });
+  call.on('data', function() {});
   call.on('error', function(error) {
 
     assert(error.code === grpc.status.DEADLINE_EXCEEDED ||
@@ -315,10 +316,10 @@ function customMetadata(client, done) {
       body: zeroBuffer(271828)
     }
   };
-  var unary = client.unaryCall(arg, function(err, resp) {
+  var unary = client.unaryCall(arg, metadata, function(err, resp) {
     assert.ifError(err);
     done();
-  }, metadata);
+  });
   unary.on('metadata', function(metadata) {
     assert.deepEqual(metadata.get(ECHO_INITIAL_KEY),
                      ['test_initial_metadata_value']);
@@ -336,6 +337,7 @@ function customMetadata(client, done) {
                      ['test_initial_metadata_value']);
     done();
   });
+  stream.on('data', function() {});
   stream.on('status', function(status) {
     var echo_trailer = status.metadata.get(ECHO_TRAILING_KEY);
     assert(echo_trailer.length > 0);
@@ -361,6 +363,7 @@ function statusCodeAndMessage(client, done) {
     done();
   });
   var duplex = client.fullDuplexCall();
+  duplex.on('data', function() {});
   duplex.on('status', function(status) {
     assert(status);
     assert.strictEqual(status.code, 2);
@@ -452,14 +455,14 @@ function perRpcAuthTest(client, done, extra) {
       credential = credential.createScoped(scope);
     }
     var creds = grpc.credentials.createFromGoogleCredential(credential);
-    client.unaryCall(arg, function(err, resp) {
+    client.unaryCall(arg, {credentials: creds}, function(err, resp) {
       assert.ifError(err);
       assert.strictEqual(resp.username, SERVICE_ACCOUNT_EMAIL);
       assert(extra.oauth_scope.indexOf(resp.oauth_scope) > -1);
       if (done) {
         done();
       }
-    }, null, {credentials: creds});
+    });
   });
 }
 
@@ -542,6 +545,8 @@ var test_cases = {
                   Client: testProto.TestService}
 };
 
+exports.test_cases = test_cases;
+
 /**
  * Execute a single test case.
  * @param {string} address The address of the server to connect to, in the
diff --git a/src/node/interop/interop_server.js b/src/node/interop/interop_server.js
index c09481712a..7280762305 100644
--- a/src/node/interop/interop_server.js
+++ b/src/node/interop/interop_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/performance/benchmark_client.js b/src/node/performance/benchmark_client.js
index 620aecde97..262aa33862 100644
--- a/src/node/performance/benchmark_client.js
+++ b/src/node/performance/benchmark_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,9 @@ var EventEmitter = require('events');
 var _ = require('lodash');
 var PoissonProcess = require('poisson-process');
 var Histogram = require('./histogram');
+
+var genericService = require('./generic_service');
+
 var grpc = require('../../../');
 var serviceProto = grpc.load({
   root: __dirname + '/../../..',
@@ -104,10 +107,14 @@ function BenchmarkClient(server_targets, channels, histogram_params,
   }
 
   this.clients = [];
+  var GenericClient = grpc.makeGenericClientConstructor(genericService);
+  this.genericClients = [];
 
   for (var i = 0; i < channels; i++) {
     this.clients[i] = new serviceProto.BenchmarkService(
         server_targets[i % server_targets.length], creds, options);
+    this.genericClients[i] = new GenericClient(
+        server_targets[i % server_targets.length], creds, options);
   }
 
   this.histogram = new Histogram(histogram_params.resolution,
@@ -130,9 +137,11 @@ util.inherits(BenchmarkClient, EventEmitter);
  *     'STREAMING'
  * @param {number} req_size The size of the payload to send with each request
  * @param {number} resp_size The size of payload to request be sent in responses
+ * @param {boolean} generic Indicates that the generic (non-proto) clients
+ *     should be used
  */
 BenchmarkClient.prototype.startClosedLoop = function(
-    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size) {
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, generic) {
   var self = this;
 
   self.running = true;
@@ -141,12 +150,20 @@ BenchmarkClient.prototype.startClosedLoop = function(
 
   var makeCall;
 
-  var argument = {
-    response_size: resp_size,
-    payload: {
-      body: zeroBuffer(req_size)
-    }
-  };
+  var argument;
+  var client_list;
+  if (generic) {
+    argument = zeroBuffer(req_size);
+    client_list = self.genericClients;
+  } else {
+    argument = {
+      response_size: resp_size,
+      payload: {
+        body: zeroBuffer(req_size)
+      }
+    };
+    client_list = self.clients;
+  }
 
   if (rpc_type == 'UNARY') {
     makeCall = function(client) {
@@ -195,7 +212,7 @@ BenchmarkClient.prototype.startClosedLoop = function(
     };
   }
 
-  _.each(self.clients, function(client) {
+  _.each(client_list, function(client) {
     _.times(outstanding_rpcs_per_channel, function() {
       makeCall(client);
     });
@@ -213,9 +230,12 @@ BenchmarkClient.prototype.startClosedLoop = function(
  * @param {number} req_size The size of the payload to send with each request
  * @param {number} resp_size The size of payload to request be sent in responses
  * @param {number} offered_load The load parameter for the Poisson process
+ * @param {boolean} generic Indicates that the generic (non-proto) clients
+ *     should be used
  */
 BenchmarkClient.prototype.startPoisson = function(
-    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, offered_load) {
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, offered_load,
+    generic) {
   var self = this;
 
   self.running = true;
@@ -224,12 +244,20 @@ BenchmarkClient.prototype.startPoisson = function(
 
   var makeCall;
 
-  var argument = {
-    response_size: resp_size,
-    payload: {
-      body: zeroBuffer(req_size)
-    }
-  };
+  var argument;
+  var client_list;
+  if (generic) {
+    argument = zeroBuffer(req_size);
+    client_list = self.genericClients;
+  } else {
+    argument = {
+      response_size: resp_size,
+      payload: {
+        body: zeroBuffer(req_size)
+      }
+    };
+    client_list = self.clients;
+  }
 
   if (rpc_type == 'UNARY') {
     makeCall = function(client, poisson) {
@@ -282,7 +310,7 @@ BenchmarkClient.prototype.startPoisson = function(
 
   var averageIntervalMs = (1 / offered_load) * 1000;
 
-  _.each(self.clients, function(client) {
+  _.each(client_list, function(client) {
     _.times(outstanding_rpcs_per_channel, function() {
       var p = PoissonProcess.create(averageIntervalMs, function() {
         makeCall(client, p);
diff --git a/src/node/performance/benchmark_server.js b/src/node/performance/benchmark_server.js
index e48acd48f5..70cee9979b 100644
--- a/src/node/performance/benchmark_server.js
+++ b/src/node/performance/benchmark_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,8 @@
 var fs = require('fs');
 var path = require('path');
 
+var genericService = require('./generic_service');
+
 var grpc = require('../../../');
 var serviceProto = grpc.load({
   root: __dirname + '/../../..',
@@ -84,14 +86,28 @@ function streamingCall(call) {
   });
 }
 
+function makeStreamingGenericCall(response_size) {
+  var response = zeroBuffer(response_size);
+  return function streamingGenericCall(call) {
+    call.on('data', function(value) {
+      call.write(response);
+    });
+    call.on('end', function() {
+      call.end();
+    });
+  };
+}
+
 /**
  * BenchmarkServer class. Constructed based on parameters from the driver and
  * stores statistics.
  * @param {string} host The host to serve on
  * @param {number} port The port to listen to
- * @param {tls} Indicates whether TLS should be used
+ * @param {boolean} tls Indicates whether TLS should be used
+ * @param {boolean} generic Indicates whether to use the generic service
+ * @param {number=} response_size The response size for the generic service
  */
-function BenchmarkServer(host, port, tls) {
+function BenchmarkServer(host, port, tls, generic, response_size) {
   var server_creds;
   var host_override;
   if (tls) {
@@ -109,10 +125,16 @@ function BenchmarkServer(host, port, tls) {
 
   var server = new grpc.Server();
   this.port = server.bind(host + ':' + port, server_creds);
-  server.addProtoService(serviceProto.BenchmarkService.service, {
-    unaryCall: unaryCall,
-    streamingCall: streamingCall
-  });
+  if (generic) {
+    server.addService(genericService, {
+      streamingCall: makeStreamingGenericCall(response_size)
+    });
+  } else {
+    server.addProtoService(serviceProto.BenchmarkService.service, {
+      unaryCall: unaryCall,
+      streamingCall: streamingCall
+    });
+  }
   this.server = server;
 }
 
diff --git a/src/node/performance/generic_service.js b/src/node/performance/generic_service.js
new file mode 100644
index 0000000000..ce09cc4336
--- /dev/null
+++ b/src/node/performance/generic_service.js
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+var _ = require('lodash');
+
+module.exports = {
+  'streamingCall' : {
+    path: '/grpc.testing/BenchmarkService',
+    requestStream: true,
+    responseStream: true,
+    requestSerialize: _.identity,
+    requestDeserialize: _.identity,
+    responseSerialize: _.identity,
+    responseDeserialize: _.identity
+  }
+};
diff --git a/src/node/performance/worker.js b/src/node/performance/worker.js
index 7c8ab00026..7ef9b84fe7 100644
--- a/src/node/performance/worker.js
+++ b/src/node/performance/worker.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,6 +33,7 @@
 
 'use strict';
 
+var console = require('console');
 var worker_service_impl = require('./worker_service_impl');
 
 var grpc = require('../../../');
@@ -48,6 +49,7 @@ function runServer(port) {
   var address = '0.0.0.0:' + port;
   server.bind(address, server_creds);
   server.start();
+  console.log('running QPS worker on %s', address);
   return server;
 }
 
diff --git a/src/node/performance/worker_service_impl.js b/src/node/performance/worker_service_impl.js
index 1439249878..4b5cb8f9c2 100644
--- a/src/node/performance/worker_service_impl.js
+++ b/src/node/performance/worker_service_impl.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,7 @@
 'use strict';
 
 var os = require('os');
+var console = require('console');
 var BenchmarkClient = require('./benchmark_client');
 var BenchmarkServer = require('./benchmark_server');
 
@@ -49,6 +50,7 @@ exports.runClient = function runClient(call) {
     switch (request.argtype) {
       case 'setup':
       var setup = request.setup;
+      console.log('ClientConfig %j', setup);
       client = new BenchmarkClient(setup.server_targets,
                                    setup.client_channels,
                                    setup.histogram_params,
@@ -56,18 +58,31 @@ exports.runClient = function runClient(call) {
       client.on('error', function(error) {
         call.emit('error', error);
       });
+      var req_size, resp_size, generic;
+      switch (setup.payload_config.payload) {
+        case 'bytebuf_params':
+        req_size = setup.payload_config.bytebuf_params.req_size;
+        resp_size = setup.payload_config.bytebuf_params.resp_size;
+        generic = true;
+        break;
+        case 'simple_params':
+        req_size = setup.payload_config.simple_params.req_size;
+        resp_size = setup.payload_config.simple_params.resp_size;
+        generic = false;
+        break;
+        default:
+        call.emit('error', new Error('Unsupported PayloadConfig type' +
+            setup.payload_config.payload));
+      }
       switch (setup.load_params.load) {
         case 'closed_loop':
         client.startClosedLoop(setup.outstanding_rpcs_per_channel,
-                               setup.rpc_type,
-                               setup.payload_config.simple_params.req_size,
-                               setup.payload_config.simple_params.resp_size);
+                               setup.rpc_type, req_size, resp_size, generic);
         break;
         case 'poisson':
         client.startPoisson(setup.outstanding_rpcs_per_channel,
-                            setup.rpc_type, setup.payload_config.req_size,
-                            setup.payload_config.resp_size,
-                            setup.load_params.poisson.offered_load);
+                            setup.rpc_type, req_size, resp_size,
+                            setup.load_params.poisson.offered_load, generic);
         break;
         default:
         call.emit('error', new Error('Unsupported LoadParams type' +
@@ -105,6 +120,7 @@ exports.runServer = function runServer(call) {
     var stats;
     switch (request.argtype) {
       case 'setup':
+      console.log('ServerConfig %j', request.setup);
       server = new BenchmarkServer('[::]', request.setup.port,
                                    request.setup.security_params);
       server.start();
diff --git a/src/node/src/client.js b/src/node/src/client.js
index b5247a69ee..5e07046fc6 100644
--- a/src/node/src/client.js
+++ b/src/node/src/client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,7 @@
 'use strict';
 
 var _ = require('lodash');
+var arguejs = require('arguejs');
 
 var grpc = require('./grpc_extension');
 
@@ -131,9 +132,72 @@ function ClientReadableStream(call, deserialize) {
   this.finished = false;
   this.reading = false;
   this.deserialize = common.wrapIgnoreNull(deserialize);
+  /* Status generated from reading messages from the server. Overrides the
+   * status from the server if not OK */
+  this.read_status = null;
+  /* Status received from the server. */
+  this.received_status = null;
 }
 
 /**
+ * Called when all messages from the server have been processed. The status
+ * parameter indicates that the call should end with that status. status
+ * defaults to OK if not provided.
+ * @param {Object!} status The status that the call should end with
+ */
+function _readsDone(status) {
+  /* jshint validthis: true */
+  if (!status) {
+    status = {code: grpc.status.OK, details: 'OK'};
+  }
+  if (status.code !== grpc.status.OK) {
+    this.call.cancelWithStatus(status.code, status.details);
+  }
+  this.finished = true;
+  this.read_status = status;
+  this._emitStatusIfDone();
+}
+
+ClientReadableStream.prototype._readsDone = _readsDone;
+
+/**
+ * Called to indicate that we have received a status from the server.
+ */
+function _receiveStatus(status) {
+  /* jshint validthis: true */
+  this.received_status = status;
+  this._emitStatusIfDone();
+}
+
+ClientReadableStream.prototype._receiveStatus = _receiveStatus;
+
+/**
+ * If we have both processed all incoming messages and received the status from
+ * the server, emit the status. Otherwise, do nothing.
+ */
+function _emitStatusIfDone() {
+  /* jshint validthis: true */
+  var status;
+  if (this.read_status && this.received_status) {
+    if (this.read_status.code !== grpc.status.OK) {
+      status = this.read_status;
+    } else {
+      status = this.received_status;
+    }
+    this.emit('status', status);
+    if (status.code !== grpc.status.OK) {
+      var error = new Error(status.details);
+      error.code = status.code;
+      error.metadata = status.metadata;
+      this.emit('error', error);
+      return;
+    }
+  }
+}
+
+ClientReadableStream.prototype._emitStatusIfDone = _emitStatusIfDone;
+
+/**
  * Read the next object from the stream.
  * @access private
  * @param {*} size Ignored because we use objectMode=true
@@ -150,6 +214,7 @@ function _read(size) {
     if (err) {
       // Something has gone wrong. Stop reading and wait for status
       self.finished = true;
+      self._readsDone();
       return;
     }
     var data = event.read;
@@ -157,8 +222,11 @@ function _read(size) {
     try {
       deserialized = self.deserialize(data);
     } catch (e) {
-      self.call.cancelWithStatus(grpc.status.INTERNAL,
-                                 'Failed to parse server response');
+      self._readsDone({code: grpc.status.INTERNAL,
+                       details: 'Failed to parse server response'});
+    }
+    if (data === null) {
+      self._readsDone();
     }
     if (self.push(deserialized) && data !== null) {
       var read_batch = {};
@@ -198,6 +266,11 @@ function ClientDuplexStream(call, serialize, deserialize) {
   this.serialize = common.wrapIgnoreNull(serialize);
   this.deserialize = common.wrapIgnoreNull(deserialize);
   this.call = call;
+  /* Status generated from reading messages from the server. Overrides the
+   * status from the server if not OK */
+  this.read_status = null;
+  /* Status received from the server. */
+  this.received_status = null;
   this.on('finish', function() {
     var batch = {};
     batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
@@ -205,6 +278,9 @@ function ClientDuplexStream(call, serialize, deserialize) {
   });
 }
 
+ClientDuplexStream.prototype._readsDone = _readsDone;
+ClientDuplexStream.prototype._receiveStatus = _receiveStatus;
+ClientDuplexStream.prototype._emitStatusIfDone = _emitStatusIfDone;
 ClientDuplexStream.prototype._read = _read;
 ClientDuplexStream.prototype._write = _write;
 
@@ -278,21 +354,23 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
    * @this {Client} Client object. Must have a channel member.
    * @param {*} argument The argument to the call. Should be serializable with
    *     serialize
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
    * @param {Metadata=} metadata Metadata to add to the call
    * @param {Object=} options Options map
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
    * @return {EventEmitter} An event emitter for stream related events
    */
-  function makeUnaryRequest(argument, callback, metadata, options) {
+  function makeUnaryRequest(argument, metadata, options, callback) {
     /* jshint validthis: true */
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. This allows for simple handling of optional arguments in the
+     * middle of the argument list, and also provides type checking. */
+    var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
+                        options: [Object], callback: Function}, arguments);
     var emitter = new EventEmitter();
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     emitter.cancel = function cancel() {
       call.cancel();
     };
@@ -300,9 +378,9 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
       return call.getPeer();
     };
     var client_batch = {};
-    var message = serialize(argument);
-    if (options) {
-      message.grpcWriteFlags = options.flags;
+    var message = serialize(args.argument);
+    if (args.options) {
+      message.grpcWriteFlags = args.options.flags;
     }
     client_batch[grpc.opType.SEND_INITIAL_METADATA] =
         metadata._getCoreRepresentation();
@@ -320,7 +398,7 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
       if (status.code === grpc.status.OK) {
         if (err) {
           // Got a batch error, but OK status. Something went wrong
-          callback(err);
+          args.callback(err);
           return;
         } else {
           try {
@@ -336,12 +414,12 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
         }
       }
       if (status.code !== grpc.status.OK) {
-        error = new Error(response.status.details);
+        error = new Error(status.details);
         error.code = status.code;
         error.metadata = status.metadata;
-        callback(error);
+        args.callback(error);
       } else {
-        callback(null, deserialized);
+        args.callback(null, deserialized);
       }
       emitter.emit('status', status);
       emitter.emit('metadata', Metadata._fromCoreRepresentation(
@@ -365,21 +443,23 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
    * Make a client stream request with this method on the given channel with the
    * given callback, etc.
    * @this {Client} Client object. Must have a channel member.
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
    * @param {Metadata=} metadata Array of metadata key/value pairs to add to the
    *     call
    * @param {Object=} options Options map
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
    * @return {EventEmitter} An event emitter for stream related events
    */
-  function makeClientStreamRequest(callback, metadata, options) {
+  function makeClientStreamRequest(metadata, options, callback) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. This allows for simple handling of optional arguments in the
+     * middle of the argument list, and also provides type checking. */
+    var args = arguejs({metadata: [Metadata, new Metadata()],
+                        options: [Object], callback: Function}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientWritableStream(call, serialize);
     var metadata_batch = {};
     metadata_batch[grpc.opType.SEND_INITIAL_METADATA] =
@@ -406,7 +486,7 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
       if (status.code === grpc.status.OK) {
         if (err) {
           // Got a batch error, but OK status. Something went wrong
-          callback(err);
+          args.callback(err);
           return;
         } else {
           try {
@@ -425,9 +505,9 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
         error = new Error(response.status.details);
         error.code = status.code;
         error.metadata = status.metadata;
-        callback(error);
+        args.callback(error);
       } else {
-        callback(null, deserialized);
+        args.callback(null, deserialized);
       }
       stream.emit('status', status);
     });
@@ -458,17 +538,18 @@ function makeServerStreamRequestFunction(method, serialize, deserialize) {
    */
   function makeServerStreamRequest(argument, metadata, options) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. */
+    var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
+                        options: [Object]}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientReadableStream(call, deserialize);
     var start_batch = {};
-    var message = serialize(argument);
-    if (options) {
-      message.grpcWriteFlags = options.flags;
+    var message = serialize(args.argument);
+    if (args.options) {
+      message.grpcWriteFlags = args.options.flags;
     }
     start_batch[grpc.opType.SEND_INITIAL_METADATA] =
         metadata._getCoreRepresentation();
@@ -487,22 +568,13 @@ function makeServerStreamRequestFunction(method, serialize, deserialize) {
     var status_batch = {};
     status_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
     call.startBatch(status_batch, function(err, response) {
-      response.status.metadata = Metadata._fromCoreRepresentation(
-          response.status.metadata);
-      stream.emit('status', response.status);
-      if (response.status.code !== grpc.status.OK) {
-        var error = new Error(response.status.details);
-        error.code = response.status.code;
-        error.metadata = response.status.metadata;
-        stream.emit('error', error);
+      if (err) {
+        stream.emit('error', err);
         return;
-      } else {
-        if (err) {
-          // Got a batch error, but OK status. Something went wrong
-          stream.emit('error', err);
-          return;
-        }
       }
+      response.status.metadata = Metadata._fromCoreRepresentation(
+          response.status.metadata);
+      stream._receiveStatus(response.status);
     });
     return stream;
   }
@@ -529,12 +601,13 @@ function makeBidiStreamRequestFunction(method, serialize, deserialize) {
    */
   function makeBidiStreamRequest(metadata, options) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. */
+    var args = arguejs({metadata: [Metadata, new Metadata()],
+                        options: [Object]}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientDuplexStream(call, serialize, deserialize);
     var start_batch = {};
     start_batch[grpc.opType.SEND_INITIAL_METADATA] =
@@ -552,22 +625,13 @@ function makeBidiStreamRequestFunction(method, serialize, deserialize) {
     var status_batch = {};
     status_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
     call.startBatch(status_batch, function(err, response) {
-      response.status.metadata = Metadata._fromCoreRepresentation(
-          response.status.metadata);
-      stream.emit('status', response.status);
-      if (response.status.code !== grpc.status.OK) {
-        var error = new Error(response.status.details);
-        error.code = response.status.code;
-        error.metadata = response.status.metadata;
-        stream.emit('error', error);
+      if (err) {
+        stream.emit('error', err);
         return;
-      } else {
-        if (err) {
-          // Got a batch error, but OK status. Something went wrong
-          stream.emit('error', err);
-          return;
-        }
       }
+      response.status.metadata = Metadata._fromCoreRepresentation(
+          response.status.metadata);
+      stream._receiveStatus(response.status);
     });
     return stream;
   }
@@ -586,6 +650,40 @@ var requester_makers = {
   bidi: makeBidiStreamRequestFunction
 };
 
+function getDefaultValues(metadata, options) {
+  var res = {};
+  res.metadata = metadata || new Metadata();
+  res.options = options || {};
+  return res;
+}
+
+/**
+ * Map with wrappers for each type of requester function to make it use the old
+ * argument order with optional arguments after the callback.
+ */
+var deprecated_request_wrap = {
+  unary: function(makeUnaryRequest) {
+    return function makeWrappedUnaryRequest(argument, callback,
+                                            metadata, options) {
+      /* jshint validthis: true */
+      var opt_args = getDefaultValues(metadata, metadata);
+      return makeUnaryRequest.call(this, argument, opt_args.metadata,
+                                   opt_args.options, callback);
+    };
+  },
+  client_stream: function(makeServerStreamRequest) {
+    return function makeWrappedClientStreamRequest(callback, metadata,
+                                                   options) {
+      /* jshint validthis: true */
+      var opt_args = getDefaultValues(metadata, options);
+      return makeServerStreamRequest.call(this, opt_args.metadata,
+                                          opt_args.options, callback);
+    };
+  },
+  server_stream: _.identity,
+  bidi: _.identity
+};
+
 /**
  * Creates a constructor for a client with the given methods. The methods object
  * maps method name to an object with the following keys:
@@ -597,9 +695,19 @@ var requester_makers = {
  * responseDeserialize: function to deserialize response objects
  * @param {Object} methods An object mapping method names to method attributes
  * @param {string} serviceName The fully qualified name of the service
+ * @param {Object} class_options An options object. Currently only uses the key
+ *     deprecatedArgumentOrder, a boolean that Indicates that the old argument
+ *     order should be used for methods, with optional arguments at the end
+ *     instead of the callback at the end. Defaults to false. This option is
+ *     only a temporary stopgap measure to smooth an API breakage.
+ *     It is deprecated, and new code should not use it.
  * @return {function(string, Object)} New client constructor
  */
-exports.makeClientConstructor = function(methods, serviceName) {
+exports.makeClientConstructor = function(methods, serviceName,
+                                         class_options) {
+  if (!class_options) {
+    class_options = {};
+  }
   /**
    * Create a client with the given methods
    * @constructor
@@ -646,10 +754,15 @@ exports.makeClientConstructor = function(methods, serviceName) {
     }
     var serialize = attrs.requestSerialize;
     var deserialize = attrs.responseDeserialize;
-    Client.prototype[name] = requester_makers[method_type](
+    var method_func = requester_makers[method_type](
         attrs.path, serialize, deserialize);
-    Client.prototype[name].serialize = serialize;
-    Client.prototype[name].deserialize = deserialize;
+    if (class_options.deprecatedArgumentOrder) {
+      Client.prototype[name] = deprecated_request_wrap(method_func);
+    } else {
+      Client.prototype[name] = method_func;
+    }
+    // Associate all provided attributes with the method
+    _.assign(Client.prototype[name], attrs);
   });
 
   return Client;
@@ -698,13 +811,21 @@ exports.waitForClientReady = function(client, deadline, callback) {
  * Creates a constructor for clients for the given service
  * @param {ProtoBuf.Reflect.Service} service The service to generate a client
  *     for
+ * @param {Object=} options Options to apply to the client
  * @return {function(string, Object)} New client constructor
  */
-exports.makeProtobufClientConstructor =  function(service) {
-  var method_attrs = common.getProtobufServiceAttrs(service, service.name);
+exports.makeProtobufClientConstructor =  function(service, options) {
+  var method_attrs = common.getProtobufServiceAttrs(service, service.name,
+                                                    options);
+  var deprecatedArgumentOrder = false;
+  if (options) {
+    deprecatedArgumentOrder = options.deprecatedArgumentOrder;
+  }
   var Client = exports.makeClientConstructor(
-      method_attrs, common.fullyQualifiedName(service));
+      method_attrs, common.fullyQualifiedName(service),
+      deprecatedArgumentOrder);
   Client.service = service;
+  Client.service.grpc_options = options;
   return Client;
 };
 
diff --git a/src/node/src/common.js b/src/node/src/common.js
index 2e6c01c4d7..8cf43b7a84 100644
--- a/src/node/src/common.js
+++ b/src/node/src/common.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,9 +44,20 @@ var _ = require('lodash');
 /**
  * Get a function that deserializes a specific type of protobuf.
  * @param {function()} cls The constructor of the message type to deserialize
+ * @param {bool=} binaryAsBase64 Deserialize bytes fields as base64 strings
+ *     instead of Buffers. Defaults to false
+ * @param {bool=} longsAsStrings Deserialize long values as strings instead of
+ *     objects. Defaults to true
  * @return {function(Buffer):cls} The deserialization function
  */
-exports.deserializeCls = function deserializeCls(cls) {
+exports.deserializeCls = function deserializeCls(cls, binaryAsBase64,
+                                                 longsAsStrings) {
+  if (binaryAsBase64 === undefined || binaryAsBase64 === null) {
+    binaryAsBase64 = false;
+  }
+  if (longsAsStrings === undefined || longsAsStrings === null) {
+    longsAsStrings = true;
+  }
   /**
    * Deserialize a buffer to a message object
    * @param {Buffer} arg_buf The buffer to deserialize
@@ -55,7 +66,7 @@ exports.deserializeCls = function deserializeCls(cls) {
   return function deserialize(arg_buf) {
     // Convert to a native object with binary fields as Buffers (first argument)
     // and longs as strings (second argument)
-    return cls.decode(arg_buf).toRaw(false, true);
+    return cls.decode(arg_buf).toRaw(binaryAsBase64, longsAsStrings);
   };
 };
 
@@ -119,19 +130,30 @@ exports.wrapIgnoreNull = function wrapIgnoreNull(func) {
 /**
  * Return a map from method names to method attributes for the service.
  * @param {ProtoBuf.Reflect.Service} service The service to get attributes for
+ * @param {Object=} options Options to apply to these attributes
  * @return {Object} The attributes map
  */
-exports.getProtobufServiceAttrs = function getProtobufServiceAttrs(service) {
+exports.getProtobufServiceAttrs = function getProtobufServiceAttrs(service,
+                                                                   options) {
   var prefix = '/' + fullyQualifiedName(service) + '/';
+  var binaryAsBase64, longsAsStrings;
+  if (options) {
+    binaryAsBase64 = options.binaryAsBase64;
+    longsAsStrings = options.longsAsStrings;
+  }
   return _.object(_.map(service.children, function(method) {
     return [_.camelCase(method.name), {
       path: prefix + method.name,
       requestStream: method.requestStream,
       responseStream: method.responseStream,
+      requestType: method.resolvedRequestType,
+      responseType: method.resolvedResponseType,
       requestSerialize: serializeCls(method.resolvedRequestType.build()),
-      requestDeserialize: deserializeCls(method.resolvedRequestType.build()),
+      requestDeserialize: deserializeCls(method.resolvedRequestType.build(),
+                                     binaryAsBase64, longsAsStrings),
       responseSerialize: serializeCls(method.resolvedResponseType.build()),
-      responseDeserialize: deserializeCls(method.resolvedResponseType.build())
+      responseDeserialize: deserializeCls(method.resolvedResponseType.build(),
+                                     binaryAsBase64, longsAsStrings)
     }];
   }));
 };
diff --git a/src/node/src/credentials.js b/src/node/src/credentials.js
index 710ab6d879..a12eade4e1 100644
--- a/src/node/src/credentials.js
+++ b/src/node/src/credentials.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -98,6 +98,8 @@ exports.createFromMetadataGenerator = function(metadata_generator) {
         message = error.message;
         if (error.hasOwnProperty('code')) {
           code = error.code;
+        } else {
+          code = grpc.status.UNAUTHENTICATED;
         }
         if (!metadata) {
           metadata = new Metadata();
@@ -118,6 +120,7 @@ exports.createFromGoogleCredential = function(google_credential) {
     var service_url = auth_context.service_url;
     google_credential.getRequestMetadata(service_url, function(err, header) {
       if (err) {
+        console.log('Auth error:', err);
         callback(err);
         return;
       }
diff --git a/src/node/src/metadata.js b/src/node/src/metadata.js
index 51a9f8a216..612361b0ea 100644
--- a/src/node/src/metadata.js
+++ b/src/node/src/metadata.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -64,7 +64,7 @@ function normalizeKey(key) {
   if (grpc.metadataKeyIsLegal(key)) {
     return key;
   } else {
-    throw new Error('Metadata key contains illegal characters');
+    throw new Error('Metadata key"' + key + '" contains illegal characters');
   }
 }
 
@@ -79,7 +79,8 @@ function validate(key, value) {
           'keys that don\'t end with \'-bin\' must have String values');
     }
     if (!grpc.metadataNonbinValueIsLegal(value)) {
-      throw new Error('Metadata string value contains illegal characters');
+      throw new Error('Metadata string value "' + value +
+                      '" contains illegal characters');
     }
   }
 }
diff --git a/src/node/src/server.js b/src/node/src/server.js
index e5aadcd565..22128343a9 100644
--- a/src/node/src/server.js
+++ b/src/node/src/server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -339,7 +339,7 @@ function _read(size) {
     try {
       deserialized = self.deserialize(data);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       self.emit('error', e);
       return;
     }
@@ -475,7 +475,7 @@ function handleUnary(call, handler, metadata) {
     try {
       emitter.request = handler.deserialize(result.read);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       handleError(call, e);
       return;
     }
@@ -516,7 +516,7 @@ function handleServerStreaming(call, handler, metadata) {
     try {
       stream.request = handler.deserialize(result.read);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       stream.emit('error', e);
       return;
     }
@@ -737,7 +737,12 @@ Server.prototype.addService = function(service, implementation) {
  *     method implementation for the provided service.
  */
 Server.prototype.addProtoService = function(service, implementation) {
-  this.addService(common.getProtobufServiceAttrs(service), implementation);
+  var options;
+  if (service.grpc_options) {
+    options = service.grpc_options;
+  }
+  this.addService(common.getProtobufServiceAttrs(service, options),
+                  implementation);
 };
 
 /**
diff --git a/src/node/stress/metrics_client.js b/src/node/stress/metrics_client.js
new file mode 100644
index 0000000000..dc8ef5e711
--- /dev/null
+++ b/src/node/stress/metrics_client.js
@@ -0,0 +1,61 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var grpc = require('../../..');
+
+var proto = grpc.load(__dirname + '/../../proto/grpc/testing/metrics.proto');
+var metrics = proto.grpc.testing;
+
+function main() {
+  var parseArgs = require('minimist');
+  var argv = parseArgs(process.argv, {
+    string: 'metrics_server_address',
+    boolean: 'total_only'
+  });
+  var client = new metrics.MetricsService(argv.metrics_server_address,
+                                          grpc.credentials.createInsecure());
+  if (argv.total_only) {
+    client.getGauge({name: 'qps'}, function(err, data) {
+      console.log(data.name + ':', data.long_value);
+    });
+  } else {
+    var call = client.getAllGauges({});
+    call.on('data', function(data) {
+      console.log(data.name + ':', data.long_value);
+    });
+  }
+}
+
+main();
diff --git a/src/node/stress/metrics_server.js b/src/node/stress/metrics_server.js
new file mode 100644
index 0000000000..3ab4b4c82d
--- /dev/null
+++ b/src/node/stress/metrics_server.js
@@ -0,0 +1,87 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var _ = require('lodash');
+
+var grpc = require('../../..');
+
+var proto = grpc.load(__dirname + '/../../proto/grpc/testing/metrics.proto');
+var metrics = proto.grpc.testing;
+
+function getGauge(call, callback) {
+  /* jshint validthis: true */
+  // Should be bound to a MetricsServer object
+  var name = call.request.name;
+  if (this.gauges.hasOwnProperty(name)) {
+    callback(null, _.assign({name: name}, this.gauges[name]()));
+  } else {
+    callback({code: grpc.status.NOT_FOUND,
+              details: 'No such gauge: ' + name});
+  }
+}
+
+function getAllGauges(call) {
+  /* jshint validthis: true */
+  // Should be bound to a MetricsServer object
+  _.each(this.gauges, function(getter, name) {
+    call.write(_.assign({name: name}, getter()));
+  });
+  call.end();
+}
+
+function MetricsServer(port) {
+  var server = new grpc.Server();
+  server.addProtoService(metrics.MetricsService.service, {
+    getGauge: _.bind(getGauge, this),
+    getAllGauges: _.bind(getAllGauges, this)
+  });
+  server.bind('localhost:' + port, grpc.ServerCredentials.createInsecure());
+  this.server = server;
+  this.gauges = {};
+}
+
+MetricsServer.prototype.start = function() {
+  this.server.start();
+}
+
+MetricsServer.prototype.registerGauge = function(name, getter) {
+  this.gauges[name] = getter;
+};
+
+MetricsServer.prototype.shutdown = function() {
+  this.server.forceShutdown();
+};
+
+module.exports = MetricsServer;
diff --git a/src/node/stress/stress_client.js b/src/node/stress/stress_client.js
new file mode 100644
index 0000000000..6054d3a253
--- /dev/null
+++ b/src/node/stress/stress_client.js
@@ -0,0 +1,126 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var _ = require('lodash');
+
+var grpc = require('../../..');
+
+var interop_client = require('../interop/interop_client');
+var MetricsServer = require('./metrics_server');
+
+var running;
+
+var metrics_server;
+
+var start_time;
+var query_count;
+
+function makeCall(client, test_cases) {
+  if (!running) {
+    return;
+  }
+  var test_case = test_cases[_.random(test_cases.length - 1)];
+  interop_client.test_cases[test_case].run(client, function() {
+    query_count += 1;
+    makeCall(client, test_cases);
+  });
+}
+
+function makeCalls(client, test_cases, parallel_calls_per_channel) {
+  _.times(parallel_calls_per_channel, function() {
+    makeCall(client, test_cases);
+  });
+}
+
+function getQps() {
+  var diff = process.hrtime(start_time);
+  var seconds = diff[0] + diff[1] / 1e9;
+  return {long_value: query_count / seconds};
+}
+
+function start(server_addresses, test_cases, channels_per_server,
+               parallel_calls_per_channel, metrics_port) {
+  running = true;
+  /* Assuming that we are not calling unimplemented_method. The client class
+   * used by empty_unary is (currently) the client class used by every interop
+   * test except unimplemented_method */
+  var Client = interop_client.test_cases.empty_unary.Client;
+  /* Make channels_per_server clients connecting to each server address */
+  var channels = _.flatten(_.times(
+      channels_per_server, _.partial(_.map, server_addresses, function(address) {
+        return new Client(address, grpc.credentials.createInsecure());
+      })));
+  metrics_server = new MetricsServer(metrics_port);
+  metrics_server.registerGauge('qps', getQps);
+  start_time = process.hrtime();
+  query_count = 0;
+  _.each(channels, _.partial(makeCalls, _, test_cases,
+                             parallel_calls_per_channel));
+  metrics_server.start();
+}
+
+function stop() {
+  running = false;
+  metrics_server.shutdown();
+  console.log('QPS: ' + getQps().long_value);
+}
+
+function main() {
+  var parseArgs = require('minimist');
+  var argv = parseArgs(process.argv, {
+    string: ['server_addresses', 'test_cases', 'metrics_port'],
+    default: {'server_addresses': 'localhost:8080',
+              'test_duration_secs': -1,
+              'num_channels_per_server': 1,
+              'num_stubs_per_channel': 1,
+              'metrics_port': '8081'}
+  });
+  var server_addresses = argv.server_addresses.split(',');
+  /* Generate an array of test cases, where the number of instances of each name
+   * corresponds to the number given in the argument.
+   * e.g. 'empty_unary:1,large_unary:2' =>
+   * ['empty_unary', 'large_unary', 'large_unary'] */
+  var test_cases = _.flatten(_.map(argv.test_cases.split(','), function(value) {
+    var split = value.split(':');
+    return _.times(split[1], _.constant(split[0]));
+  }));
+  start(server_addresses, test_cases, argv.num_channels_per_server,
+        argv.num_stubs_per_channel, argv.metrics_port);
+  if (argv.test_duration_secs > -1) {
+    setTimeout(stop, argv.test_duration_secs * 1000);
+  }
+}
+
+main();
diff --git a/src/node/test/call_test.js b/src/node/test/call_test.js
index 2300096d03..eb268603ea 100644
--- a/src/node/test/call_test.js
+++ b/src/node/test/call_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/channel_test.js b/src/node/test/channel_test.js
index c0ae2b769a..0cdb633659 100644
--- a/src/node/test/channel_test.js
+++ b/src/node/test/channel_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/common_test.js b/src/node/test/common_test.js
index 08ba429ed7..c57b7388f6 100644
--- a/src/node/test/common_test.js
+++ b/src/node/test/common_test.js
@@ -42,7 +42,7 @@ var ProtoBuf = require('protobufjs');
 var messages_proto = ProtoBuf.loadProtoFile(
     __dirname + '/test_messages.proto').build();
 
-describe('Proto message serialize and deserialize', function() {
+describe('Proto message long int serialize and deserialize', function() {
   var longSerialize = common.serializeCls(messages_proto.LongValues);
   var longDeserialize = common.deserializeCls(messages_proto.LongValues);
   var pos_value = '314159265358979';
@@ -87,4 +87,52 @@ describe('Proto message serialize and deserialize', function() {
     assert.strictEqual(longDeserialize(serialized).sfixed_64.toString(),
                        neg_value);
   });
+  it('should deserialize as a number with the right option set', function() {
+    var longNumDeserialize = common.deserializeCls(messages_proto.LongValues,
+                                                   false, false);
+    var serialized = longSerialize({int_64: pos_value});
+    assert.strictEqual(typeof longDeserialize(serialized).int_64, 'string');
+    /* With the longsAsStrings option disabled, long values are represented as
+     * objects with 3 keys: low, high, and unsigned */
+    assert.strictEqual(typeof longNumDeserialize(serialized).int_64, 'object');
+  });
+});
+describe('Proto message bytes serialize and deserialize', function() {
+  var sequenceSerialize = common.serializeCls(messages_proto.SequenceValues);
+  var sequenceDeserialize = common.deserializeCls(
+      messages_proto.SequenceValues);
+  var sequenceBase64Deserialize = common.deserializeCls(
+      messages_proto.SequenceValues, true);
+  var buffer_val = new Buffer([0x69, 0xb7]);
+  var base64_val = 'abc=';
+  it('should preserve a buffer', function() {
+    var serialized = sequenceSerialize({bytes_field: buffer_val});
+    var deserialized = sequenceDeserialize(serialized);
+    assert.strictEqual(deserialized.bytes_field.compare(buffer_val), 0);
+  });
+  it('should accept base64 encoded strings', function() {
+    var serialized = sequenceSerialize({bytes_field: base64_val});
+    var deserialized = sequenceDeserialize(serialized);
+    assert.strictEqual(deserialized.bytes_field.compare(buffer_val), 0);
+  });
+  it('should output base64 encoded strings with an option set', function() {
+    var serialized = sequenceSerialize({bytes_field: base64_val});
+    var deserialized = sequenceBase64Deserialize(serialized);
+    assert.strictEqual(deserialized.bytes_field, base64_val);
+  });
+  /* The next two tests are specific tests to verify that issue
+   * https://github.com/grpc/grpc/issues/5174 has been fixed. They are skipped
+   * because they will not pass until a protobuf.js release has been published
+   * with a fix for https://github.com/dcodeIO/protobuf.js/issues/390 */
+  it.skip('should serialize a repeated field as packed by default', function() {
+    var expected_serialize = new Buffer([0x12, 0x01, 0x01, 0x0a]);
+    var serialized = sequenceSerialize({repeated_field: [10]});
+    assert.strictEqual(expected_serialize.compare(serialized), 0);
+  });
+  it.skip('should deserialize packed or unpacked repeated', function() {
+    var serialized = new Buffer([0x12, 0x01, 0x01, 0x0a]);
+    assert.doesNotThrow(function() {
+      sequenceDeserialize(serialized);
+    });
+  });
 });
diff --git a/src/node/test/constant_test.js b/src/node/test/constant_test.js
index 712c70706d..414b1ac9c0 100644
--- a/src/node/test/constant_test.js
+++ b/src/node/test/constant_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/credentials_test.js b/src/node/test/credentials_test.js
index 294600c85a..794215b246 100644
--- a/src/node/test/credentials_test.js
+++ b/src/node/test/credentials_test.js
@@ -398,18 +398,20 @@ describe('client credentials', function() {
           metadataUpdater);
     });
     it('Should update metadata on a unary call', function(done) {
-      var call = client.unary({}, function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: updater_creds});
+      var call = client.unary({}, {credentials: updater_creds},
+                              function(err, data) {
+                                assert.ifError(err);
+                              });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         done();
       });
     });
     it('should update metadata on a client streaming call', function(done) {
-      var call = client.clientStream(function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: updater_creds});
+      var call = client.clientStream({credentials: updater_creds},
+                                     function(err, data) {
+                                       assert.ifError(err);
+                                     });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         done();
@@ -417,7 +419,7 @@ describe('client credentials', function() {
       call.end();
     });
     it('should update metadata on a server streaming call', function(done) {
-      var call = client.serverStream({}, null, {credentials: updater_creds});
+      var call = client.serverStream({}, {credentials: updater_creds});
       call.on('data', function() {});
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@@ -425,7 +427,7 @@ describe('client credentials', function() {
       });
     });
     it('should update metadata on a bidi streaming call', function(done) {
-      var call = client.bidiStream(null, {credentials: updater_creds});
+      var call = client.bidiStream({credentials: updater_creds});
       call.on('data', function() {});
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@@ -443,9 +445,10 @@ describe('client credentials', function() {
           altMetadataUpdater);
       var combined_updater = grpc.credentials.combineCallCredentials(
           updater_creds, alt_updater_creds);
-      var call = client.unary({}, function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: combined_updater});
+      var call = client.unary({}, {credentials: combined_updater},
+                              function(err, data) {
+                                assert.ifError(err);
+                              });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         assert.deepEqual(metadata.get('other_plugin_key'),
diff --git a/src/node/test/echo_service.proto b/src/node/test/echo_service.proto
index 11b4f18c35..fc941a2904 100644
--- a/src/node/test/echo_service.proto
+++ b/src/node/test/echo_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/end_to_end_test.js b/src/node/test/end_to_end_test.js
index 353c6c761d..f127a41de9 100644
--- a/src/node/test/end_to_end_test.js
+++ b/src/node/test/end_to_end_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/server_test.js b/src/node/test/server_test.js
index 71a9647184..ed311c8605 100644
--- a/src/node/test/server_test.js
+++ b/src/node/test/server_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/surface_test.js b/src/node/test/surface_test.js
index 530f1f7749..b96e8e487c 100644
--- a/src/node/test/surface_test.js
+++ b/src/node/test/surface_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -404,18 +404,18 @@ describe('Echo metadata', function() {
     server.forceShutdown();
   });
   it('with unary call', function(done) {
-    var call = client.unary({}, function(err, data) {
+    var call = client.unary({}, metadata, function(err, data) {
       assert.ifError(err);
-    }, metadata);
+    });
     call.on('metadata', function(metadata) {
       assert.deepEqual(metadata.get('key'), ['value']);
       done();
     });
   });
   it('with client stream call', function(done) {
-    var call = client.clientStream(function(err, data) {
+    var call = client.clientStream(metadata, function(err, data) {
       assert.ifError(err);
-    }, metadata);
+    });
     call.on('metadata', function(metadata) {
       assert.deepEqual(metadata.get('key'), ['value']);
       done();
@@ -441,8 +441,8 @@ describe('Echo metadata', function() {
   });
   it('shows the correct user-agent string', function(done) {
     var version = require('../../../package.json').version;
-    var call = client.unary({}, function(err, data) { assert.ifError(err); },
-                            metadata);
+    var call = client.unary({}, metadata,
+                            function(err, data) { assert.ifError(err); });
     call.on('metadata', function(metadata) {
       assert(_.startsWith(metadata.get('user-agent')[0],
                           'grpc-node/' + version));
@@ -452,8 +452,8 @@ describe('Echo metadata', function() {
   it('properly handles duplicate values', function(done) {
     var dup_metadata = metadata.clone();
     dup_metadata.add('key', 'value2');
-    var call = client.unary({}, function(err, data) {assert.ifError(err); },
-                            dup_metadata);
+    var call = client.unary({}, dup_metadata,
+                            function(err, data) {assert.ifError(err); });
     call.on('metadata', function(resp_metadata) {
       // Two arrays are equal iff their symmetric difference is empty
       assert.deepEqual(_.xor(dup_metadata.get('key'), resp_metadata.get('key')),
@@ -709,14 +709,14 @@ describe('Other conditions', function() {
     it('should respond correctly to a unary call', function(done) {
       misbehavingClient.unary(badArg, function(err, data) {
         assert(err);
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
     });
     it('should respond correctly to a client stream', function(done) {
       var call = misbehavingClient.clientStream(function(err, data) {
         assert(err);
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
       call.write(badArg);
@@ -729,7 +729,7 @@ describe('Other conditions', function() {
         assert.fail(data, null, 'Unexpected data', '===');
       });
       call.on('error', function(err) {
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
     });
@@ -739,7 +739,7 @@ describe('Other conditions', function() {
         assert.fail(data, null, 'Unexpected data', '===');
       });
       call.on('error', function(err) {
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
       call.write(badArg);
@@ -954,7 +954,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.unary = function(parent, callback) {
-        client.unary(parent.request, function(err, value) {
+        client.unary(parent.request, {parent: parent}, function(err, value) {
           try {
             assert(err);
             assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -962,7 +962,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent});
+        });
         call.cancel();
       };
       proxy.addProtoService(test_service, proxy_impl);
@@ -976,7 +976,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.clientStream = function(parent, callback) {
-        client.clientStream(function(err, value) {
+        client.clientStream({parent: parent}, function(err, value) {
           try {
             assert(err);
             assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -984,7 +984,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent});
+        });
         call.cancel();
       };
       proxy.addProtoService(test_service, proxy_impl);
@@ -998,8 +998,8 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.serverStream = function(parent) {
-        var child = client.serverStream(parent.request, null,
-                                        {parent: parent});
+        var child = client.serverStream(parent.request, {parent: parent});
+        child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
           assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -1013,6 +1013,7 @@ describe('Call propagation', function() {
       var proxy_client = new Client('localhost:' + proxy_port,
                                     grpc.credentials.createInsecure());
       call = proxy_client.serverStream({});
+      call.on('data', function() {});
       call.on('error', function(err) {
         done();
       });
@@ -1021,7 +1022,8 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.bidiStream = function(parent) {
-        var child = client.bidiStream(null, {parent: parent});
+        var child = client.bidiStream({parent: parent});
+        child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
           assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -1035,6 +1037,7 @@ describe('Call propagation', function() {
       var proxy_client = new Client('localhost:' + proxy_port,
                                     grpc.credentials.createInsecure());
       call = proxy_client.bidiStream();
+      call.on('data', function() {});
       call.on('error', function(err) {
         done();
       });
@@ -1047,7 +1050,8 @@ describe('Call propagation', function() {
     it('With a client stream call', function(done) {
       done = multiDone(done, 2);
       proxy_impl.clientStream = function(parent, callback) {
-        client.clientStream(function(err, value) {
+        var options = {parent: parent, propagate_flags: deadline_flags};
+        client.clientStream(options, function(err, value) {
           try {
             assert(err);
             assert(err.code === grpc.status.DEADLINE_EXCEEDED ||
@@ -1056,7 +1060,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent, propagate_flags: deadline_flags});
+        });
       };
       proxy.addProtoService(test_service, proxy_impl);
       var proxy_port = proxy.bind('localhost:0', server_insecure_creds);
@@ -1065,15 +1069,16 @@ describe('Call propagation', function() {
                                     grpc.credentials.createInsecure());
       var deadline = new Date();
       deadline.setSeconds(deadline.getSeconds() + 1);
-      proxy_client.clientStream(function(err, value) {
+      proxy_client.clientStream({deadline: deadline}, function(err, value) {
         done();
-      }, null, {deadline: deadline});
+      });
     });
     it('With a bidi stream call', function(done) {
       done = multiDone(done, 2);
       proxy_impl.bidiStream = function(parent) {
         var child = client.bidiStream(
-            null, {parent: parent, propagate_flags: deadline_flags});
+            {parent: parent, propagate_flags: deadline_flags});
+        child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
           assert(err.code === grpc.status.DEADLINE_EXCEEDED ||
@@ -1088,7 +1093,8 @@ describe('Call propagation', function() {
                                     grpc.credentials.createInsecure());
       var deadline = new Date();
       deadline.setSeconds(deadline.getSeconds() + 1);
-      var call = proxy_client.bidiStream(null, {deadline: deadline});
+      var call = proxy_client.bidiStream({deadline: deadline});
+      call.on('data', function() {});
       call.on('error', function(err) {
         done();
       });
@@ -1130,6 +1136,7 @@ describe('Cancelling surface client', function() {
   });
   it('Should correctly cancel a server stream call', function(done) {
     var call = client.fib({'limit': 5});
+    call.on('data', function() {});
     call.on('error', function(error) {
       assert.strictEqual(error.code, surface_client.status.CANCELLED);
       done();
@@ -1138,6 +1145,7 @@ describe('Cancelling surface client', function() {
   });
   it('Should correctly cancel a bidi stream call', function(done) {
     var call = client.divMany();
+    call.on('data', function() {});
     call.on('error', function(error) {
       assert.strictEqual(error.code, surface_client.status.CANCELLED);
       done();
diff --git a/src/node/test/test_messages.proto b/src/node/test/test_messages.proto
index c77a937d3f..a1a6a32833 100644
--- a/src/node/test/test_messages.proto
+++ b/src/node/test/test_messages.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -36,3 +36,8 @@ message LongValues {
   fixed64 fixed_64 = 4;
   sfixed64 sfixed_64 = 5;
 }
+
+message SequenceValues {
+  bytes bytes_field = 1;
+  repeated int32 repeated_field = 2;
+}
diff --git a/src/node/test/test_service.proto b/src/node/test/test_service.proto
index 0ac2ae79a7..c86ce51d91 100644
--- a/src/node/test/test_service.proto
+++ b/src/node/test/test_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/node/tools/bin/protoc.js b/src/node/tools/bin/protoc.js
new file mode 100755
index 0000000000..0c6d7ce017
--- /dev/null
+++ b/src/node/tools/bin/protoc.js
@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * This file is required because package.json cannot reference a file that
+ * is not distributed with the package, and we use node-pre-gyp to distribute
+ * the protoc binary
+ */
+
+'use strict';
+
+var path = require('path');
+var execFile = require('child_process').execFile;
+
+var protoc = path.resolve(__dirname, 'protoc');
+
+execFile(protoc, process.argv.slice(2), function(error, stdout, stderr) {
+  if (error) {
+    throw error;
+  }
+  console.log(stdout);
+  console.log(stderr);
+});
diff --git a/src/node/tools/index.js b/src/node/tools/index.js
new file mode 100644
index 0000000000..2de3918cd3
--- /dev/null
+++ b/src/node/tools/index.js
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+/**
+ * package.json requires this file to be present. In the future, this can
+ * export useful information about the included tools.
+ */
+
+module.exports = {};
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
new file mode 100644
index 0000000000..4b3499f2f9
--- /dev/null
+++ b/src/node/tools/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "grpc-tools",
+  "version": "0.14.0-dev",
+  "author": "Google Inc.",
+  "description": "Tools for developing with gRPC on Node.js",
+  "homepage": "http://www.grpc.io/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/grpc/grpc.git"
+  },
+  "bugs": "https://github.com/grpc/grpc/issues",
+  "contributors": [
+    {
+      "name": "Michael Lumish",
+      "email": "mlumish@google.com"
+    }
+  ],
+  "bin": {
+    "grpc-tools-protoc": "./bin/protoc.js"
+  },
+  "scripts": {
+    "install": "./node_modules/.bin/node-pre-gyp install"
+  },
+  "bundledDependencies": ["node-pre-gyp"],
+  "binary": {
+    "module_name": "grpc_tools",
+    "host": "https://storage.googleapis.com/",
+    "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+    "package_name": "{platform}-{arch}.tar.gz",
+    "module_path": "bin"
+  },
+  "files": [
+    "index.js",
+    "bin/protoc.js",
+    "LICENSE"
+  ],
+  "main": "index.js"
+}
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index f79b7d0bc0..1847d6016f 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -37,6 +37,8 @@
 #include <grpc/support/time.h>
 #import <RxLibrary/GRXConcurrentWriteable.h>
 
+#import "private/GRPCConnectivityMonitor.h"
+#import "private/GRPCHost.h"
 #import "private/GRPCRequestHeaders.h"
 #import "private/GRPCWrappedCall.h"
 #import "private/NSData+GRPC.h"
@@ -71,8 +73,11 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
 @implementation GRPCCall {
   dispatch_queue_t _callQueue;
 
+  NSString *_host;
+  NSString *_path;
   GRPCWrappedCall *_wrappedCall;
   dispatch_once_t _callAlreadyInvoked;
+  GRPCConnectivityMonitor *_connectivityMonitor;
 
   // The C gRPC library has less guarantees on the ordering of events than we
   // do. Particularly, in the face of errors, there's no ordering guarantee at
@@ -115,13 +120,11 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
                 format:@"The requests writer can't be already started."];
   }
   if ((self = [super init])) {
-    _wrappedCall = [[GRPCWrappedCall alloc] initWithHost:host path:path];
-    if (!_wrappedCall) {
-      return nil;
-    }
+    _host = [host copy];
+    _path = [path copy];
 
     // Serial queue to invoke the non-reentrant methods of the grpc_call object.
-    _callQueue = dispatch_queue_create("org.grpc.call", NULL);
+    _callQueue = dispatch_queue_create("io.grpc.call", NULL);
 
     _requestWriter = requestWriter;
 
@@ -156,7 +159,7 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
 - (void)cancel {
   [self finishWithError:[NSError errorWithDomain:kGRPCErrorDomain
                                             code:GRPCErrorCodeCancelled
-                                        userInfo:nil]];
+                                        userInfo:@{NSLocalizedDescriptionKey: @"Canceled by app"}]];
   [self cancelCall];
 }
 
@@ -305,37 +308,30 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
 }
 
 - (void)invokeCall {
-  __weak GRPCCall *weakSelf = self;
   [self invokeCallWithHeadersHandler:^(NSDictionary *headers) {
     // Response headers received.
-    GRPCCall *strongSelf = weakSelf;
-    if (strongSelf) {
-      strongSelf.responseHeaders = headers;
-      [strongSelf startNextRead];
-    }
+    self.responseHeaders = headers;
+    [self startNextRead];
   } completionHandler:^(NSError *error, NSDictionary *trailers) {
-    GRPCCall *strongSelf = weakSelf;
-    if (strongSelf) {
-      strongSelf.responseTrailers = trailers;
-
-      if (error) {
-        NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
-        if (error.userInfo) {
-          [userInfo addEntriesFromDictionary:error.userInfo];
-        }
-        userInfo[kGRPCTrailersKey] = strongSelf.responseTrailers;
-        // TODO(jcanizales): The C gRPC library doesn't guarantee that the headers block will be
-        // called before this one, so an error might end up with trailers but no headers. We
-        // shouldn't call finishWithError until ater both blocks are called. It is also when this is
-        // done that we can provide a merged view of response headers and trailers in a thread-safe
-        // way.
-        if (strongSelf.responseHeaders) {
-          userInfo[kGRPCHeadersKey] = strongSelf.responseHeaders;
-        }
-        error = [NSError errorWithDomain:error.domain code:error.code userInfo:userInfo];
+    self.responseTrailers = trailers;
+
+    if (error) {
+      NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+      if (error.userInfo) {
+        [userInfo addEntriesFromDictionary:error.userInfo];
       }
-      [strongSelf finishWithError:error];
+      userInfo[kGRPCTrailersKey] = self.responseTrailers;
+      // TODO(jcanizales): The C gRPC library doesn't guarantee that the headers block will be
+      // called before this one, so an error might end up with trailers but no headers. We
+      // shouldn't call finishWithError until ater both blocks are called. It is also when this is
+      // done that we can provide a merged view of response headers and trailers in a thread-safe
+      // way.
+      if (self.responseHeaders) {
+        userInfo[kGRPCHeadersKey] = self.responseHeaders;
+      }
+      error = [NSError errorWithDomain:error.domain code:error.code userInfo:userInfo];
     }
+    [self finishWithError:error];
   }];
   // Now that the RPC has been initiated, request writes can start.
   @synchronized(_requestWriter) {
@@ -354,8 +350,28 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
   _retainSelf = self;
 
   _responseWriteable = [[GRXConcurrentWriteable alloc] initWithWriteable:writeable];
+
+  _wrappedCall = [[GRPCWrappedCall alloc] initWithHost:_host path:_path];
+  NSAssert(_wrappedCall, @"Error allocating RPC objects. Low memory?");
+
   [self sendHeaders:_requestHeaders];
   [self invokeCall];
+  // TODO(jcanizales): Extract this logic somewhere common.
+  NSString *host = [NSURL URLWithString:[@"https://" stringByAppendingString:_host]].host;
+  if (!host) {
+    // TODO(jcanizales): Check this on init.
+    [NSException raise:NSInvalidArgumentException format:@"host of %@ is nil", _host];
+  }
+  __weak typeof(self) weakSelf = self;
+  _connectivityMonitor = [GRPCConnectivityMonitor monitorWithHost:host];
+  [_connectivityMonitor handleLossWithHandler:^{
+    typeof(self) strongSelf = weakSelf;
+    if (strongSelf) {
+      [strongSelf finishWithError:[NSError errorWithDomain:kGRPCErrorDomain
+                                                      code:GRPCErrorCodeUnavailable
+                                                  userInfo:@{NSLocalizedDescriptionKey: @"Connectivity lost."}]];
+    }
+  }];
 }
 
 - (void)setState:(GRXWriterState)newState {
@@ -385,4 +401,5 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
       return;
   }
 }
+
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.h b/src/objective-c/GRPCClient/private/GRPCChannel.h
index 8661ae6f97..73bf8d95e7 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.h
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 
 #include <grpc/grpc.h>
 
+@class GRPCCompletionQueue;
 struct grpc_channel_credentials;
 
 
@@ -80,4 +81,6 @@ struct grpc_channel_credentials;
 + (nonnull GRPCChannel *)insecureChannelWithHost:(nonnull NSString *)host
                                      channelArgs:(nullable NSDictionary *)channelArgs;
 
+- (nullable grpc_call *)unmanagedCallWithPath:(nonnull NSString *)path
+                              completionQueue:(nonnull GRPCCompletionQueue *)queue;
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.m b/src/objective-c/GRPCClient/private/GRPCChannel.m
index 7e55a473d7..926f55048d 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
+#import "GRPCCompletionQueue.h"
+
 /**
  * Returns @c grpc_channel_credentials from the specified @c path. If the file at the path could not
  * be read then NULL is returned. If NULL is returned, @c errorPtr may not be NULL if there are
@@ -205,4 +207,16 @@ grpc_channel_args * buildChannelArgs(NSDictionary *dictionary) {
                                channelArgs:channelArgs];
 }
 
+- (grpc_call *)unmanagedCallWithPath:(NSString *)path
+                     completionQueue:(GRPCCompletionQueue *)queue {
+  return grpc_channel_create_call(_unmanagedChannel,
+                                  NULL, GRPC_PROPAGATE_DEFAULTS,
+                                  queue.unmanagedQueue,
+                                  path.UTF8String,
+                                  // Get "host" from "host:port"
+                                  // TODO(jcanizales): Use NSURLs throughout, to clarify these.
+                                  [_host componentsSeparatedByString:@":"][0].UTF8String,
+                                  gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+}
+
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
index ea2b01ee1d..539b5ab83c 100644
--- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
+++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
@@ -38,7 +38,12 @@
 @implementation GRPCCompletionQueue
 
 + (instancetype)completionQueue {
-  return [[self alloc] init];
+  static GRPCCompletionQueue *singleton = nil;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    singleton = [[self alloc] init];
+  });
+  return singleton;
 }
 
 - (instancetype)init {
diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h
new file mode 100644
index 0000000000..2fae410331
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h
@@ -0,0 +1,77 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#import <Foundation/Foundation.h>
+#import <SystemConfiguration/SystemConfiguration.h>
+
+@interface GRPCReachabilityFlags : NSObject
+
++ (nonnull instancetype)flagsWithFlags:(SCNetworkReachabilityFlags)flags;
+
+/**
+ * One accessor method to query each of the different flags. Example:
+
+@property(nonatomic, readonly) BOOL isCell;
+
+ */
+#define GRPC_XMACRO_ITEM(methodName, FlagName) \
+@property(nonatomic, readonly) BOOL methodName;
+
+#include "GRPCReachabilityFlagNames.xmacro.h"
+#undef GRPC_XMACRO_ITEM
+
+@property(nonatomic, readonly) BOOL isHostReachable;
+@end
+
+
+@interface GRPCConnectivityMonitor : NSObject
+
++ (nullable instancetype)monitorWithHost:(nonnull NSString *)hostName;
+
+- (nonnull instancetype)init NS_UNAVAILABLE;
+
+/**
+ * Queue on which callbacks will be dispatched. Default is the main queue. Set it before calling
+ * handleLossWithHandler:.
+ */
+// TODO(jcanizales): Default to a serial background queue instead.
+@property(nonatomic, strong, null_resettable) dispatch_queue_t queue;
+
+/**
+ * Calls handler every time the connectivity to this instance's host is lost. If this instance is
+ * released before that happens, the handler won't be called.
+ * Only one handler is active at a time, so if this method is called again before the previous
+ * handler has been called, it might never be called at all (or yes, if it has already been queued).
+ */
+- (void)handleLossWithHandler:(nonnull void (^)())handler;
+@end
diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
new file mode 100644
index 0000000000..b4061bd5ef
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
@@ -0,0 +1,192 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#import "GRPCConnectivityMonitor.h"
+
+#pragma mark Flags
+
+@implementation GRPCReachabilityFlags {
+  SCNetworkReachabilityFlags _flags;
+}
+
++ (instancetype)flagsWithFlags:(SCNetworkReachabilityFlags)flags {
+  return [[self alloc] initWithFlags:flags];
+}
+
+- (instancetype)initWithFlags:(SCNetworkReachabilityFlags)flags {
+  if ((self = [super init])) {
+    _flags = flags;
+  }
+  return self;
+}
+
+/*
+ * One accessor method implementation per flag. Example:
+
+- (BOOL)isCell { \
+  return !!(_flags & kSCNetworkReachabilityFlagsIsWWAN); \
+}
+
+ */
+#define GRPC_XMACRO_ITEM(methodName, FlagName) \
+- (BOOL)methodName { \
+  return !!(_flags & kSCNetworkReachabilityFlags ## FlagName); \
+}
+#include "GRPCReachabilityFlagNames.xmacro.h"
+#undef GRPC_XMACRO_ITEM
+
+- (BOOL)isHostReachable {
+  // Note: connectionOnDemand means it'll be reachable only if using the CFSocketStream API or APIs
+  // on top of it.
+  // connectionRequired means we can't tell until a connection is attempted (e.g. for VPN on
+  // demand).
+  return self.reachable && !self.interventionRequired && !self.connectionOnDemand;
+}
+
+- (NSString *)description {
+  NSMutableArray *activeOptions = [NSMutableArray arrayWithCapacity:9];
+
+  /*
+   * For each flag, add its name to the array if it's ON. Example:
+
+  if (self.isCell) {
+    [activeOptions addObject:@"isCell"];
+  }
+
+   */
+#define GRPC_XMACRO_ITEM(methodName, FlagName) \
+  if (self.methodName) { \
+    [activeOptions addObject:@#methodName]; \
+  }
+#include "GRPCReachabilityFlagNames.xmacro.h"
+#undef GRPC_XMACRO_ITEM
+
+  return activeOptions.count == 0 ? @"(none)" : [activeOptions componentsJoinedByString:@", "];
+}
+
+- (BOOL)isEqual:(id)object {
+  return [object isKindOfClass:[GRPCReachabilityFlags class]] &&
+      _flags == ((GRPCReachabilityFlags *)object)->_flags;
+}
+
+- (NSUInteger)hash {
+  return _flags;
+}
+@end
+
+#pragma mark Connectivity Monitor
+
+// Assumes the third argument is a block that accepts a GRPCReachabilityFlags object, and passes the
+// received ones to it.
+static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target,
+                                        SCNetworkReachabilityFlags flags,
+                                        void *info) {
+  #pragma unused (target)
+  // This can be called many times with the same info. The info is retained by SCNetworkReachability
+  // while this function is being executed.
+  void (^handler)(GRPCReachabilityFlags *) = (__bridge void (^)(GRPCReachabilityFlags *))info;
+  handler([[GRPCReachabilityFlags alloc] initWithFlags:flags]);
+}
+
+@implementation GRPCConnectivityMonitor {
+  SCNetworkReachabilityRef _reachabilityRef;
+}
+
+- (nullable instancetype)initWithReachability:(nullable SCNetworkReachabilityRef)reachability {
+  if (!reachability) {
+    return nil;
+  }
+  if ((self = [super init])) {
+    _reachabilityRef = CFRetain(reachability);
+    _queue = dispatch_get_main_queue();
+  }
+  return self;
+}
+
++ (nullable instancetype)monitorWithHost:(nonnull NSString *)host {
+  const char *hostName = host.UTF8String;
+  if (!hostName) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"host.UTF8String returns NULL for %@", host];
+  }
+  SCNetworkReachabilityRef reachability =
+      SCNetworkReachabilityCreateWithName(NULL, hostName);
+
+  GRPCConnectivityMonitor *returnValue = [[self alloc] initWithReachability:reachability];
+  if (reachability) {
+    CFRelease(reachability);
+  }
+  return returnValue;
+}
+
+- (void)handleLossWithHandler:(void (^)())handler {
+  [self startListeningWithHandler:^(GRPCReachabilityFlags *flags) {
+    if (!flags.isHostReachable) {
+      handler();
+    }
+  }];
+}
+
+- (void)startListeningWithHandler:(void (^)(GRPCReachabilityFlags *))handler {
+  // Copy to ensure the handler block is in the heap (and so can't be deallocated when this method
+  // returns).
+  void (^copiedHandler)(GRPCReachabilityFlags *) = [handler copy];
+  SCNetworkReachabilityContext context = {
+    .version = 0,
+    .info = (__bridge void *)copiedHandler,
+    .retain = CFRetain,
+    .release = CFRelease,
+  };
+  // The following will retain context.info, and release it when the callback is set to NULL.
+  SCNetworkReachabilitySetCallback(_reachabilityRef, PassFlagsToContextInfoBlock, &context);
+  SCNetworkReachabilitySetDispatchQueue(_reachabilityRef, _queue);
+}
+
+- (void)stopListening {
+  // This releases the block on context.info.
+  SCNetworkReachabilitySetCallback(_reachabilityRef, NULL, NULL);
+  SCNetworkReachabilitySetDispatchQueue(_reachabilityRef, NULL);
+}
+
+- (void)setQueue:(dispatch_queue_t)queue {
+  _queue = queue ?: dispatch_get_main_queue();
+}
+
+- (void)dealloc {
+  if (_reachabilityRef) {
+    [self stopListening];
+    CFRelease(_reachabilityRef);
+  }
+}
+
+@end
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.h b/src/objective-c/GRPCClient/private/GRPCHost.h
index 82c0ad6cf6..e58bb7a2d9 100644
--- a/src/objective-c/GRPCClient/private/GRPCHost.h
+++ b/src/objective-c/GRPCClient/private/GRPCHost.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,27 +33,39 @@
 
 #import <Foundation/Foundation.h>
 
+NS_ASSUME_NONNULL_BEGIN
+
 @class GRPCCompletionQueue;
 struct grpc_call;
 
 @interface GRPCHost : NSObject
 
 @property(nonatomic, readonly) NSString *address;
-@property(nonatomic, copy) NSString *userAgentPrefix;
+@property(nonatomic, copy, nullable) NSString *userAgentPrefix;
 
 /** The following properties should only be modified for testing: */
 
 @property(nonatomic, getter=isSecure) BOOL secure;
 
-@property(nonatomic, copy) NSString *pathToCertificates;
-@property(nonatomic, copy) NSString *hostNameOverride;
+@property(nonatomic, copy, nullable) NSString *pathToCertificates;
+@property(nonatomic, copy, nullable) NSString *hostNameOverride;
 
+- (nullable instancetype)init NS_UNAVAILABLE;
 /** Host objects initialized with the same address are the same. */
-+ (instancetype)hostWithAddress:(NSString *)address;
-- (instancetype)initWithAddress:(NSString *)address NS_DESIGNATED_INITIALIZER;
++ (nullable instancetype)hostWithAddress:(NSString *)address;
+- (nullable instancetype)initWithAddress:(NSString *)address NS_DESIGNATED_INITIALIZER;
 
 /** Create a grpc_call object to the provided path on this host. */
-- (struct grpc_call *)unmanagedCallWithPath:(NSString *)path
-                            completionQueue:(GRPCCompletionQueue *)queue;
+- (nullable struct grpc_call *)unmanagedCallWithPath:(NSString *)path
+                                     completionQueue:(GRPCCompletionQueue *)queue;
 
+// TODO: There's a race when a new RPC is coming through just as an existing one is getting
+// notified that there's no connectivity. If connectivity comes back at that moment, the new RPC
+// will have its channel destroyed by the other RPC, and will never get notified of a problem, so
+// it'll hang (the C layer logs a timeout, with exponential back off). One solution could be to pass
+// the GRPCChannel to the GRPCCall, renaming this as "disconnectChannel:channel", which would only
+// act on that specific channel.
+- (void)disconnect;
 @end
+
+NS_ASSUME_NONNULL_END
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.m b/src/objective-c/GRPCClient/private/GRPCHost.m
index eb1db899b7..739d808c53 100644
--- a/src/objective-c/GRPCClient/private/GRPCHost.m
+++ b/src/objective-c/GRPCClient/private/GRPCHost.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,33 +34,30 @@
 #import "GRPCHost.h"
 
 #include <grpc/grpc.h>
+#import <GRPCClient/GRPCCall.h>
 #import <GRPCClient/GRPCCall+ChannelArg.h>
 
 #import "GRPCChannel.h"
 #import "GRPCCompletionQueue.h"
 #import "NSDictionary+GRPC.h"
 
+NS_ASSUME_NONNULL_BEGIN
+
 // TODO(jcanizales): Generate the version in a standalone header, from templates. Like
 // templates/src/core/surface/version.c.template .
 #define GRPC_OBJC_VERSION_STRING @"0.13.0"
 
-@interface GRPCHost ()
-// TODO(mlumish): Investigate whether caching channels with strong links is a good idea.
-@property(nonatomic, strong) GRPCChannel *channel;
-@end
-
-@implementation GRPCHost
-
-+ (instancetype)hostWithAddress:(NSString *)address {
-  return [[self alloc] initWithAddress:address];
+@implementation GRPCHost {
+  // TODO(mlumish): Investigate whether caching channels with strong links is a good idea.
+  GRPCChannel *_channel;
 }
 
-- (instancetype)init {
-  return [self initWithAddress:nil];
++ (nullable instancetype)hostWithAddress:(NSString *)address {
+  return [[self alloc] initWithAddress:address];
 }
 
 // Default initializer.
-- (instancetype)initWithAddress:(NSString *)address {
+- (nullable instancetype)initWithAddress:(NSString *)address {
   if (!address) {
     return nil;
   }
@@ -95,46 +92,45 @@
   return self;
 }
 
-- (grpc_call *)unmanagedCallWithPath:(NSString *)path completionQueue:(GRPCCompletionQueue *)queue {
-  if (!queue || !path || !self.channel) {
-    return NULL;
+- (nullable grpc_call *)unmanagedCallWithPath:(NSString *)path
+                              completionQueue:(GRPCCompletionQueue *)queue {
+  GRPCChannel *channel;
+  // This is racing -[GRPCHost disconnect].
+  @synchronized(self) {
+    if (!_channel) {
+      _channel = [self newChannel];
+    }
+    channel = _channel;
   }
-  return grpc_channel_create_call(self.channel.unmanagedChannel,
-                                  NULL, GRPC_PROPAGATE_DEFAULTS,
-                                  queue.unmanagedQueue,
-                                  path.UTF8String,
-                                  self.hostName.UTF8String,
-                                  gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+  return [channel unmanagedCallWithPath:path completionQueue:queue];
 }
 
-- (GRPCChannel *)channel {
-  // Create it lazily, because we don't want to open a connection just because someone is
-  // configuring a host.
+- (NSDictionary *)channelArgs {
+  NSMutableDictionary *args = [NSMutableDictionary dictionary];
 
-  if (!_channel) {
-    NSMutableDictionary *args = [NSMutableDictionary dictionary];
+  // TODO(jcanizales): Add OS and device information (see
+  // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#user-agents ).
+  NSString *userAgent = @"grpc-objc/" GRPC_OBJC_VERSION_STRING;
+  if (_userAgentPrefix) {
+    userAgent = [_userAgentPrefix stringByAppendingFormat:@" %@", userAgent];
+  }
+  args[@GRPC_ARG_PRIMARY_USER_AGENT_STRING] = userAgent;
 
-    // TODO(jcanizales): Add OS and device information (see
-    // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#user-agents ).
-    NSString *userAgent = @"grpc-objc/" GRPC_OBJC_VERSION_STRING;
-    if (_userAgentPrefix) {
-      userAgent = [@[_userAgentPrefix, userAgent] componentsJoinedByString:@" "];
-    }
-    args[@GRPC_ARG_PRIMARY_USER_AGENT_STRING] = userAgent;
-
-    if (_secure) {
-      if (_hostNameOverride) {
-        args[@GRPC_SSL_TARGET_NAME_OVERRIDE_ARG] = _hostNameOverride;
-      }
-
-      _channel = [GRPCChannel secureChannelWithHost:_address
-                                 pathToCertificates:_pathToCertificates
-                                        channelArgs:args];
-    } else {
-      _channel = [GRPCChannel insecureChannelWithHost:_address channelArgs:args];
-    }
+  if (_secure && _hostNameOverride) {
+    args[@GRPC_SSL_TARGET_NAME_OVERRIDE_ARG] = _hostNameOverride;
+  }
+  return args;
+}
+
+- (GRPCChannel *)newChannel {
+  NSDictionary *args = [self channelArgs];
+  if (_secure) {
+    return [GRPCChannel secureChannelWithHost:_address
+                           pathToCertificates:_pathToCertificates
+                                  channelArgs:args];
+  } else {
+    return [GRPCChannel insecureChannelWithHost:_address channelArgs:args];
   }
-  return _channel;
 }
 
 - (NSString *)hostName {
@@ -142,7 +138,16 @@
   return _hostNameOverride ?: _address;
 }
 
+- (void)disconnect {
+  // This is racing -[GRPCHost unmanagedCallWithPath:completionQueue:].
+  @synchronized(self) {
+    _channel = nil;
+  }
+}
+
 // TODO(jcanizales): Don't let set |secure| to |NO| if |pathToCertificates| or |hostNameOverride|
 // have been set. Don't let set either of the latter if |secure| has been set to |NO|.
 
 @end
+
+NS_ASSUME_NONNULL_END
diff --git a/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h b/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h
new file mode 100644
index 0000000000..4b92504b55
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h
@@ -0,0 +1,67 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * "X-macro" file that lists the flags names of Apple's Network Reachability API, along with a nice
+ * Objective-C method name used to query each of them.
+ *
+ * Example usage: To generate a dictionary from flag value to name, one can do:
+
+  NSDictionary *flagNames = @{
+#define GRPC_XMACRO_ITEM(methodName, FlagName) \
+    @(kSCNetworkReachabilityFlags ## FlagName): @#methodName,
+#include "GRXReachabilityFlagNames.xmacro.h"
+#undef GRPC_XMACRO_ITEM
+  };
+
+  XCTAssertEqualObjects(flagNames[@(kSCNetworkReachabilityFlagsIsWWAN)], @"isCell");
+
+ */
+
+#ifndef GRPC_XMACRO_ITEM
+#error This file is to be used with the "X-macro" pattern: Please #define \
+       GRPC_XMACRO_ITEM(methodName, FlagName), then #include this file, and then #undef \
+       GRPC_XMACRO_ITEM.
+#endif
+
+#if TARGET_OS_IPHONE
+GRPC_XMACRO_ITEM(isCell, IsWWAN)
+#endif
+GRPC_XMACRO_ITEM(reachable, Reachable)
+GRPC_XMACRO_ITEM(transientConnection, TransientConnection)
+GRPC_XMACRO_ITEM(connectionRequired, ConnectionRequired)
+GRPC_XMACRO_ITEM(connectionOnTraffic, ConnectionOnTraffic)
+GRPC_XMACRO_ITEM(interventionRequired, InterventionRequired)
+GRPC_XMACRO_ITEM(connectionOnDemand, ConnectionOnDemand)
+GRPC_XMACRO_ITEM(isLocalAddress, IsLocalAddress)
+GRPC_XMACRO_ITEM(isDirect, IsDirect)
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
index 71e7e0e54e..e37ed1b59f 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
@@ -34,7 +34,6 @@
 #import <Foundation/Foundation.h>
 #include <grpc/grpc.h>
 
-#import "GRPCChannel.h"
 #import "GRPCRequestHeaders.h"
 
 @interface GRPCOperation : NSObject
@@ -94,4 +93,5 @@
 - (void)startBatchWithOperations:(NSArray *)ops;
 
 - (void)cancel;
+
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index fe3d51da53..16e5bff7ff 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -54,7 +54,9 @@
 
 - (void)finish {
   if (_handler) {
-    _handler();
+    void(^handler)() = _handler;
+    _handler = nil;
+    handler();
   }
 }
 @end
diff --git a/src/objective-c/ProtoRPC/ProtoMethod.m b/src/objective-c/ProtoRPC/ProtoMethod.m
index 75e5efc23e..4b7ed63123 100644
--- a/src/objective-c/ProtoRPC/ProtoMethod.m
+++ b/src/objective-c/ProtoRPC/ProtoMethod.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/RxLibrary/GRXWriteable.m b/src/objective-c/RxLibrary/GRXWriteable.m
index 2729d62b72..c15ccb17fb 100644
--- a/src/objective-c/RxLibrary/GRXWriteable.m
+++ b/src/objective-c/RxLibrary/GRXWriteable.m
@@ -42,11 +42,42 @@
   if (!handler) {
     return [[self alloc] init];
   }
-  return [[self alloc] initWithValueHandler:^(id value) {
-    handler(value, nil);
-  } completionHandler:^(NSError *errorOrNil) {
-    if (errorOrNil) {
-      handler(nil, errorOrNil);
+  // We nilify this variable when the block is invoked, so that handler is only invoked once even if
+  // the writer tries to write multiple values.
+  __block GRXEventHandler eventHandler = ^(BOOL done, id value, NSError *error) {
+    // Nillify eventHandler before invoking handler, in case the latter causes the former to be
+    // executed recursively. Because blocks can be deallocated even during execution, we have to
+    // first retain handler locally to guarantee it's valid.
+    // TODO(jcanizales): Just turn this craziness into a simple subclass of GRXWriteable.
+    GRXSingleHandler singleHandler = handler;
+    eventHandler = nil;
+
+    if (value) {
+      singleHandler(value, nil);
+    } else if (error) {
+      singleHandler(nil, error);
+    } else {
+      NSDictionary *userInfo = @{
+        NSLocalizedDescriptionKey: @"The writer finished without producing any value."
+      };
+      // Even though RxLibrary is independent of gRPC, the domain and code here are, for the moment,
+      // set to the values of kGRPCErrorDomain and GRPCErrorCodeInternal. This way, the error formed
+      // is the one user of gRPC would expect if the server failed to produce a response.
+      //
+      // TODO(jcanizales): Figure out a way to keep errors of RxLibrary generic without making users
+      // of gRPC take care of two different error domains and error code enums. A possibility is to
+      // add error handling to GRXWriters or GRXWriteables, and use them to translate errors between
+      // the two domains.
+      static NSString *kGRPCErrorDomain = @"io.grpc";
+      static NSUInteger kGRPCErrorCodeInternal = 13;
+      singleHandler(nil, [NSError errorWithDomain:kGRPCErrorDomain
+                                             code:kGRPCErrorCodeInternal
+                                         userInfo:userInfo]);
+    }
+  };
+  return [self writeableWithEventHandler:^(BOOL done, id value, NSError *error) {
+    if (eventHandler) {
+      eventHandler(done, value, error);
     }
   }];
 }
diff --git a/src/objective-c/examples/Sample/Sample/ViewController.m b/src/objective-c/examples/Sample/Sample/ViewController.m
index a2bb3ee329..433a8a2ba3 100644
--- a/src/objective-c/examples/Sample/Sample/ViewController.m
+++ b/src/objective-c/examples/Sample/Sample/ViewController.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
index 00c4b8830d..9a8d425324 100644
--- a/src/objective-c/tests/GRPCClientTests.m
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -35,6 +35,7 @@
 #import <XCTest/XCTest.h>
 
 #import <GRPCClient/GRPCCall.h>
+#import <GRPCClient/GRPCCall+ChannelArg.h>
 #import <GRPCClient/GRPCCall+OAuth2.h>
 #import <GRPCClient/GRPCCall+Tests.h>
 #import <ProtoRPC/ProtoMethod.h>
@@ -45,6 +46,7 @@
 static NSString * const kHostAddress = @"localhost:5050";
 static NSString * const kPackage = @"grpc.testing";
 static NSString * const kService = @"TestService";
+static NSString * const kRemoteSSLHost = @"grpc-test.sandbox.googleapis.com";
 
 static ProtoMethod *kInexistentMethod;
 static ProtoMethod *kEmptyCallMethod;
@@ -101,6 +103,8 @@ static ProtoMethod *kUnaryCallMethod;
 @implementation GRPCClientTests
 
 - (void)setUp {
+  // Add a custom user agent prefix that will be used in test
+  [GRPCCall setUserAgentPrefix:@"Foo" forHost:kHostAddress];
   // Register test server as non-SSL.
   [GRPCCall useInsecureConnectionsForHost:kHostAddress];
 
@@ -127,8 +131,7 @@ static ProtoMethod *kUnaryCallMethod;
     XCTFail(@"Received unexpected response: %@", value);
   } completionHandler:^(NSError *errorOrNil) {
     XCTAssertNotNil(errorOrNil, @"Finished without error!");
-    // TODO(jcanizales): The server should return code 12 UNIMPLEMENTED, not 5 NOT FOUND.
-    XCTAssertEqual(errorOrNil.code, 5, @"Finished with unexpected error: %@", errorOrNil);
+    XCTAssertEqual(errorOrNil.code, 12, @"Finished with unexpected error: %@", errorOrNil);
     [expectation fulfill];
   }];
 
@@ -191,7 +194,6 @@ static ProtoMethod *kUnaryCallMethod;
   [self waitForExpectationsWithTimeout:8 handler:nil];
 }
 
-// TODO(jcanizales): Activate this test against the remote server.
 - (void)testMetadata {
   __weak XCTestExpectation *expectation = [self expectationWithDescription:@"RPC unauthorized."];
 
@@ -200,7 +202,7 @@ static ProtoMethod *kUnaryCallMethod;
   request.fillOauthScope = YES;
   GRXWriter *requestsWriter = [GRXWriter writerWithValue:[request data]];
 
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kRemoteSSLHost
                                              path:kUnaryCallMethod.HTTPPath
                                    requestsWriter:requestsWriter];
 
@@ -257,4 +259,71 @@ static ProtoMethod *kUnaryCallMethod;
   [self waitForExpectationsWithTimeout:8 handler:nil];
 }
 
+- (void)testUserAgentPrefix {
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Empty response received."];
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                             path:kEmptyCallMethod.HTTPPath
+                                   requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
+  // Setting this special key in the header will cause the interop server to echo back the
+  // user-agent value, which we confirm.
+  call.requestHeaders[@"x-grpc-test-echo-useragent"] = @"";
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTAssertNotNil(value, @"nil value received as response.");
+    XCTAssertEqual([value length], 0, @"Non-empty response received: %@", value);
+    /* This test needs to be more clever in regards to changing the version of the core.
+    XCTAssertEqualObjects(call.responseHeaders[@"x-grpc-test-echo-useragent"],
+                          @"Foo grpc-objc/0.13.0 grpc-c/0.14.0-dev (ios)",
+                          @"Did not receive expected user agent %@",
+                          call.responseHeaders[@"x-grpc-test-echo-useragent"]);
+    */
+    [response fulfill];
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
+    [completion fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:8 handler:nil];
+}
+
+// TODO(makarandd): Move to a different file that contains only unit tests
+- (void)testExceptions {
+  // Try to set userAgentPrefix for host that is nil. This should cause
+  // an exception.
+  @try {
+    [GRPCCall setUserAgentPrefix:@"Foo" forHost:nil];
+    XCTFail(@"Did not receive an exception when host is nil");
+  } @catch(NSException *theException) {
+    NSLog(@"Received exception as expected: %@", theException.name);
+  }
+
+  // Try to set parameters to nil for GRPCCall. This should cause an exception
+  @try {
+    GRPCCall *call = [[GRPCCall alloc] initWithHost:nil
+                                               path:nil
+                                     requestsWriter:nil];
+    XCTFail(@"Did not receive an exception when parameters are nil");
+  } @catch(NSException *theException) {
+    NSLog(@"Received exception as expected: %@", theException.name);
+  }
+
+
+  // Set state to Finished by force
+  GRXWriter *requestsWriter = [GRXWriter emptyWriter];
+  [requestsWriter finishWithError:nil];
+  @try {
+    GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                               path:kUnaryCallMethod.HTTPPath
+                                     requestsWriter:requestsWriter];
+    XCTFail(@"Did not receive an exception when GRXWriter has incorrect state.");
+  } @catch(NSException *theException) {
+    NSLog(@"Received exception as expected: %@", theException.name);
+  }
+
+}
+
 @end
diff --git a/src/objective-c/tests/InteropTestsLocalSSL.m b/src/objective-c/tests/InteropTestsLocalSSL.m
index 9d7afefbfe..f0f4b1d71f 100644
--- a/src/objective-c/tests/InteropTestsLocalSSL.m
+++ b/src/objective-c/tests/InteropTestsLocalSSL.m
@@ -57,4 +57,15 @@ static NSString * const kLocalSSLHost = @"localhost:5051";
   [super setUp];
 }
 
+- (void)testExceptions {
+  // Try to set userAgentPrefix for host that is nil. This should cause
+  // an exception.
+  @try {
+    [GRPCCall useTestCertsPath:nil testName:nil forHost:nil];
+    XCTFail(@"Did not receive an exception when parameters are nil");
+  } @catch(NSException *theException) {
+    NSLog(@"Received exception as expected: %@", theException.name);
+  }
+}
+
 @end
diff --git a/src/objective-c/tests/InteropTestsRemote.m b/src/objective-c/tests/InteropTestsRemote.m
index 00eadc25bc..758cc9346a 100644
--- a/src/objective-c/tests/InteropTestsRemote.m
+++ b/src/objective-c/tests/InteropTestsRemote.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/RxLibraryUnitTests.m b/src/objective-c/tests/RxLibraryUnitTests.m
index a67a4c6cd9..62fbdfcdf6 100644
--- a/src/objective-c/tests/RxLibraryUnitTests.m
+++ b/src/objective-c/tests/RxLibraryUnitTests.m
@@ -64,6 +64,8 @@
 }
 @end
 
+// TODO(jcanizales): Split into one file per tested class.
+
 @interface RxLibraryUnitTests : XCTestCase
 @end
 
@@ -79,6 +81,7 @@
   // If:
   id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block];
   [writeable writeValue:anyValue];
+  [writeable writesFinishedWithError:nil];
 
   // Then:
   XCTAssertEqual(handler.timesCalled, 1);
@@ -101,6 +104,54 @@
   XCTAssertEqualObjects(handler.errorOrNil, anyError);
 }
 
+- (void)testWriteableSingleHandlerIsCalledOnlyOnce_ValueThenError {
+  // Given:
+  CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler];
+  id anyValue = @7;
+  NSError *anyError = [NSError errorWithDomain:@"domain" code:7 userInfo:nil];
+
+  // If:
+  id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block];
+  [writeable writeValue:anyValue];
+  [writeable writesFinishedWithError:anyError];
+
+  // Then:
+  XCTAssertEqual(handler.timesCalled, 1);
+  XCTAssertEqualObjects(handler.value, anyValue);
+  XCTAssertEqualObjects(handler.errorOrNil, nil);
+}
+
+- (void)testWriteableSingleHandlerIsCalledOnlyOnce_ValueThenValue {
+  // Given:
+  CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler];
+  id anyValue = @7;
+
+  // If:
+  id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block];
+  [writeable writeValue:anyValue];
+  [writeable writeValue:anyValue];
+  [writeable writesFinishedWithError:nil];
+
+  // Then:
+  XCTAssertEqual(handler.timesCalled, 1);
+  XCTAssertEqualObjects(handler.value, anyValue);
+  XCTAssertEqualObjects(handler.errorOrNil, nil);
+}
+
+- (void)testWriteableSingleHandlerFailsOnEmptyWriter {
+  // Given:
+  CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler];
+
+  // If:
+  id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block];
+  [writeable writesFinishedWithError:nil];
+
+  // Then:
+  XCTAssertEqual(handler.timesCalled, 1);
+  XCTAssertEqualObjects(handler.value, nil);
+  XCTAssertNotNil(handler.errorOrNil);
+}
+
 #pragma mark BufferedPipe
 
 - (void)testBufferedPipePropagatesValue {
@@ -137,4 +188,24 @@
   XCTAssertEqualObjects(handler.errorOrNil, anyError);
 }
 
+- (void)testBufferedPipeFinishWriteWhilePaused {
+  // Given:
+  CapturingSingleValueHandler *handler = [CapturingSingleValueHandler handler];
+  id<GRXWriteable> writeable = [GRXWriteable writeableWithSingleHandler:handler.block];
+  id anyValue = @7;
+
+  // If:
+  GRXBufferedPipe *pipe = [GRXBufferedPipe pipe];
+  // Write something, then finish
+  [pipe writeValue:anyValue];
+  [pipe writesFinishedWithError:nil];
+  // then start the writeable
+  [pipe startWithWriteable:writeable];
+
+  // Then:
+  XCTAssertEqual(handler.timesCalled, 1);
+  XCTAssertEqualObjects(handler.value, anyValue);
+  XCTAssertEqualObjects(handler.errorOrNil, nil);
+}
+
 @end
diff --git a/src/php/README.md b/src/php/README.md
index b1823b9226..cf8f2c11b0 100644
--- a/src/php/README.md
+++ b/src/php/README.md
@@ -9,14 +9,21 @@ Beta
 
 ## Environment
 
-Prerequisite: PHP 5.5 or later, `phpunit`, `pecl`
+Prerequisite: `php` >=5.5, `phpize`, `pecl`, `phpunit`
 
-**Linux:**
+**Linux (Debian):**
 
 ```sh
 $ sudo apt-get install php5 php5-dev php-pear
 ```
 
+**Linux (CentOS):**
+
+```sh
+$ yum install php55w
+$ yum --enablerepo=remi,remi-php55 install php-devel php-pear
+```
+
 **Mac OS X:**
 
 ```sh
@@ -24,55 +31,29 @@ $ curl -O http://pear.php.net/go-pear.phar
 $ sudo php -d detect_unicode=0 go-pear.phar
 ```
 
-**PHPUnit: (Both Linux and Mac OS X)**
+**PHPUnit:**
 ```sh
-$ curl https://phar.phpunit.de/phpunit.phar -o phpunit.phar
-$ chmod +x phpunit.phar
-$ sudo mv phpunit.phar /usr/local/bin/phpunit
+$ wget https://phar.phpunit.de/phpunit-old.phar
+$ chmod +x phpunit-old.phar
+$ sudo mv phpunit-old.phar /usr/bin/phpunit
 ```
 
 ## Quick Install
 
-**Linux (Debian):**
-
-Add [Debian jessie-backports][] to your `sources.list` file. Example:
-
-```sh
-echo "deb http://http.debian.net/debian jessie-backports main" | \
-sudo tee -a /etc/apt/sources.list
-```
-
-Install the gRPC Debian package
-
-```sh
-sudo apt-get update
-sudo apt-get install libgrpc-dev
-```
-
 Install the gRPC PHP extension
 
 ```sh
 sudo pecl install grpc-beta
 ```
 
-**Mac OS X:**
-
-Install [homebrew][]. Example:
-
-```sh
-ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
-```
+This will compile and install the gRPC PHP extension into the standard PHP extension directory. You should be able to run the [unit tests](#unit-tests), with the PHP extension installed.
 
-Install the gRPC core library and the PHP extension in one step
+To run tests with generated stub code from `.proto` files, you will also need the `composer`, `protoc` and `protoc-gen-php` binaries. You can find out how to get these [below](#generated-code-tests).
 
-```sh
-$ curl -fsSL https://goo.gl/getgrpc | bash -s php
-```
-
-This will download and run the [gRPC install script][] and compile the gRPC PHP extension.
+## Build from Source
 
 
-## Build from Source
+### gRPC C core library
 
 Clone this repository
 
@@ -80,7 +61,7 @@ Clone this repository
 $ git clone https://github.com/grpc/grpc.git
 ```
 
-Build and install the gRPC C core libraries
+Build and install the gRPC C core library
 
 ```sh
 $ cd grpc
@@ -89,20 +70,15 @@ $ make
 $ sudo make install
 ```
 
-Note: you may encounter a warning about the Protobuf compiler `protoc` 3.0.0+ not being installed. The following might help, and will be useful later on when we need to compile the `protoc-gen-php` tool.
+### gRPC PHP extension
 
-```sh
-$ cd grpc/third_party/protobuf
-$ sudo make install   # 'make' should have been run by core grpc
-```
-
-Install the gRPC PHP extension
+Install the gRPC PHP extension from PECL
 
 ```sh
 $ sudo pecl install grpc-beta
 ```
 
-OR
+Or, compile from source
 
 ```sh
 $ cd grpc/src/php/ext/grpc
@@ -112,58 +88,98 @@ $ make
 $ sudo make install
 ```
 
+### Update php.ini
+
 Add this line to your `php.ini` file, e.g. `/etc/php5/cli/php.ini`
 
 ```sh
 extension=grpc.so
 ```
 
-Install Composer
+## Unit Tests
+
+You will need the source code to run tests
+
+```sh
+$ git clone https://github.com/grpc/grpc.git
+$ cd grpc
+$ git pull --recurse-submodules && git submodule update --init --recursive
+```
+
+Run unit tests
 
 ```sh
 $ cd grpc/src/php
+$ ./bin/run_tests.sh
+```
+
+## Generated Code Tests
+
+This section specifies the prerequisites for running the generated code tests, as well as how to run the tests themselves.
+
+### Composer
+
+If you don't have it already, install `composer` to pull in some runtime dependencies based on the `composer.json` file.
+
+```sh
 $ curl -sS https://getcomposer.org/installer | php
 $ sudo mv composer.phar /usr/local/bin/composer
+
+$ cd grpc/src/php
 $ composer install
 ```
 
-## Unit Tests
+### Protobuf compiler
 
-Run unit tests
+Again if you don't have it already, you need to install the protobuf compiler `protoc`, version 3.0.0+.
+
+If you compiled the gRPC C core library from source above, the `protoc` binary should have been installed as well. If it hasn't been installed, you can run the following commands to install it.
 
 ```sh
-$ cd grpc/src/php
-$ ./bin/run_tests.sh
+$ cd grpc/third_party/protobuf
+$ sudo make install   # 'make' should have been run by core grpc
 ```
 
-## Generated Code Tests
+Alternatively, you can download `protoc` binaries from [the protocol buffers Github repository](https://github.com/google/protobuf/releases).
+
 
-Install `protoc-gen-php`
+### PHP protobuf compiler
+
+You need to install `protoc-gen-php` to generate stub class `.php` files from service definition `.proto` files.
 
 ```sh
-$ cd grpc/src/php/vendor/datto/protobuf-php
+$ cd grpc/src/php/vendor/datto/protobuf-php # if you had run `composer install` in the previous step
+
+OR
+
+$ git clone https://github.com/stanley-cheung/Protobuf-PHP # clone from github repo
+
 $ gem install rake ronn
 $ rake pear:package version=1.0
 $ sudo pear install Protobuf-1.0.tgz
 ```
 
-Generate client stub code
+### Client Stub
+
+Generate client stub classes from `.proto` files
 
 ```sh
 $ cd grpc/src/php
 $ ./bin/generate_proto_php.sh
 ```
 
-Run a local server serving the math services
+### Run test server
 
- - Please see [Node][] on how to run an example server
+Run a local server serving the math services. Please see [Node][] for how to run an example server.
 
 ```sh
-$ cd grpc/src/node
+$ cd grpc
 $ npm install
-$ nodejs examples/math_server.js
+$ nodejs src/node/test/math/math_server.js
 ```
 
+### Run test client
+
 Run the generated code tests
 
 ```sh
@@ -194,13 +210,15 @@ $ sudo service apache2 restart
 Make sure the Node math server is still running, as above. 
 
 ```sh
-$ cd grpc/src/node
-$ nodejs examples/math_server.js
+$ cd grpc
+$ npm install
+$ nodejs src/node/test/math/math_server.js
 ```
 
 Make sure you have run `composer install` to generate the `vendor/autoload.php` file
 
 ```sh
+$ cd grpc/src/php
 $ composer install
 ```
 
@@ -262,13 +280,15 @@ $ sudo service php5-fpm restart
 Make sure the Node math server is still running, as above. 
 
 ```sh
-$ cd grpc/src/node
-$ nodejs examples/math_server.js
+$ cd grpc
+$ npm install
+$ nodejs src/node/test/math/math_server.js
 ```
 
 Make sure you have run `composer install` to generate the `vendor/autoload.php` file
 
 ```sh
+$ cd grpc/src/php
 $ composer install
 ```
 
@@ -297,7 +317,4 @@ Connect to `localhost/math_client.php` in your browser, or run this from command
 $ curl localhost/math_client.php
 ```
 
-[homebrew]:http://brew.sh
-[gRPC install script]:https://raw.githubusercontent.com/grpc/homebrew-grpc/master/scripts/install
 [Node]:https://github.com/grpc/grpc/tree/master/src/node/examples
-[Debian jessie-backports]:http://backports.debian.org/Instructions/
diff --git a/src/php/composer.json b/src/php/composer.json
index 1d41f847ac..01674a25db 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -1,7 +1,9 @@
 {
   "name": "grpc/grpc",
+  "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.6.0",
+  "version": "0.14.0",
+  "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
   "repositories": [
@@ -13,7 +15,7 @@
   "require": {
     "php": ">=5.5.0",
     "datto/protobuf-php": "dev-master",
-    "google/auth": "dev-master"
+    "google/auth": "v0.7"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/php/ext/grpc/LICENSE b/src/php/ext/grpc/LICENSE
index a8c47a2081..0c651a0287 100644
--- a/src/php/ext/grpc/LICENSE
+++ b/src/php/ext/grpc/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2015-2016, Google Inc.
+Copyright 2015, Google Inc.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/src/php/ext/grpc/README.md b/src/php/ext/grpc/README.md
deleted file mode 100644
index 6e1cb2002f..0000000000
--- a/src/php/ext/grpc/README.md
+++ /dev/null
@@ -1,67 +0,0 @@
-gRPC PHP Extension
-==================
-
-# Requirements
-
- * PHP 5.5+
- * [gRPC core library](https://github.com/grpc/grpc) 0.11.0
-
-# Installation
-
-## Install PHP 5
-
-```
-$ sudo apt-get install git php5 php5-dev php-pear unzip
-```
-
-## Compile gRPC Core Library
-
-Clone the gRPC source code repository
-
-```
-$ git clone https://github.com/grpc/grpc.git
-```
-
-Build and install the gRPC C core libraries
-
-```sh
-$ cd grpc
-$ git checkout --track origin/release-0_11
-$ git pull --recurse-submodules && git submodule update --init --recursive
-$ make
-$ sudo make install
-```
-
-Note: you may encounter a warning about the Protobuf compiler `protoc` 3.0.0+ not being installed. The following might help, and will be useful later on when we need to compile the `protoc-gen-php` tool.
-
-```sh
-$ cd grpc/third_party/protobuf
-$ sudo make install   # 'make' should have been run by core grpc
-```
-
-## Install the gRPC PHP extension
-
-Quick install
-
-```sh
-$ sudo pecl install grpc
-```
-
-Note: before a stable release, you may need to do
-
-```sh
-$ sudo pecl install grpc-beta
-```
-
-OR
-
-Compile from source
-
-```sh
-$ # from grpc
-$ cd src/php/ext/grpc
-$ phpize
-$ ./configure
-$ make
-$ sudo make install
-```
diff --git a/src/php/ext/grpc/byte_buffer.c b/src/php/ext/grpc/byte_buffer.c
index 8be0a20607..7a726de5db 100644
--- a/src/php/ext/grpc/byte_buffer.c
+++ b/src/php/ext/grpc/byte_buffer.c
@@ -72,6 +72,7 @@ void byte_buffer_to_string(grpc_byte_buffer *buffer, char **out_string,
   while (grpc_byte_buffer_reader_next(&reader, &next) != 0) {
     memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
     offset += GPR_SLICE_LENGTH(next);
+    gpr_slice_unref(next);
   }
   *out_string = string;
   *out_length = length;
diff --git a/src/php/ext/grpc/call.c b/src/php/ext/grpc/call.c
index 4f48d6f2e2..a0f3d160c6 100644
--- a/src/php/ext/grpc/call.c
+++ b/src/php/ext/grpc/call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -492,6 +492,14 @@ cleanup:
   if (status_details != NULL) {
     gpr_free(status_details);
   }
+  for (int i = 0; i < op_num; i++) {
+    if (ops[i].op == GRPC_OP_SEND_MESSAGE) {
+      grpc_byte_buffer_destroy(ops[i].data.send_message);
+    }
+    if (ops[i].op == GRPC_OP_RECV_MESSAGE) {
+      grpc_byte_buffer_destroy(message);
+    }
+  }
   RETURN_DESTROY_ZVAL(result);
 }
 
diff --git a/src/php/ext/grpc/channel.c b/src/php/ext/grpc/channel.c
index f0bc7340ba..eba2c81424 100644
--- a/src/php/ext/grpc/channel.c
+++ b/src/php/ext/grpc/channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -110,9 +110,11 @@ void php_grpc_read_args_array(zval *args_array, grpc_channel_args *args) {
     switch (Z_TYPE_P(*data)) {
       case IS_LONG:
         args->args[args_index].value.integer = (int)Z_LVAL_P(*data);
+        args->args[args_index].type = GRPC_ARG_INTEGER;
         break;
       case IS_STRING:
         args->args[args_index].value.string = Z_STRVAL_P(*data);
+        args->args[args_index].type = GRPC_ARG_STRING;
         break;
       default:
         zend_throw_exception(spl_ce_InvalidArgumentException,
diff --git a/src/php/tests/generated_code/AbstractGeneratedCodeTest.php b/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
index f70525ef15..75922d4cf7 100644
--- a/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
+++ b/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/generated_code/math_client.php b/src/php/tests/generated_code/math_client.php
index 76ccabc068..b8652ceb08 100644
--- a/src/php/tests/generated_code/math_client.php
+++ b/src/php/tests/generated_code/math_client.php
@@ -43,7 +43,9 @@ function p($line)
 
 $host = 'localhost:50051';
 p("Connecting to host: $host");
-$client = new math\MathClient($host, []);
+$client = new math\MathClient($host, [
+    'credentials' => Grpc\ChannelCredentials::createInsecure()
+]);
 p('Client class: '.get_class($client));
 p('');
 
diff --git a/src/php/tests/unit_tests/CallCredentials2Test.php b/src/php/tests/unit_tests/CallCredentials2Test.php
index 1282db6eed..a57e2b9b4e 100644
--- a/src/php/tests/unit_tests/CallCredentials2Test.php
+++ b/src/php/tests/unit_tests/CallCredentials2Test.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/CallCredentials3Test.php b/src/php/tests/unit_tests/CallCredentials3Test.php
index a458f1d322..6d98815d16 100644
--- a/src/php/tests/unit_tests/CallCredentials3Test.php
+++ b/src/php/tests/unit_tests/CallCredentials3Test.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/CallCredentialsTest.php b/src/php/tests/unit_tests/CallCredentialsTest.php
index 287024839d..5fec06cd13 100644
--- a/src/php/tests/unit_tests/CallCredentialsTest.php
+++ b/src/php/tests/unit_tests/CallCredentialsTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/CallTest.php b/src/php/tests/unit_tests/CallTest.php
index a2522fb120..1170a440fa 100755
--- a/src/php/tests/unit_tests/CallTest.php
+++ b/src/php/tests/unit_tests/CallTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/ChannelCredentialsTest.php b/src/php/tests/unit_tests/ChannelCredentialsTest.php
index 6d472dc876..1a42d69428 100644
--- a/src/php/tests/unit_tests/ChannelCredentialsTest.php
+++ b/src/php/tests/unit_tests/ChannelCredentialsTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/ChannelTest.php b/src/php/tests/unit_tests/ChannelTest.php
index acb8a0a70d..b6eac3109a 100644
--- a/src/php/tests/unit_tests/ChannelTest.php
+++ b/src/php/tests/unit_tests/ChannelTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/EndToEndTest.php b/src/php/tests/unit_tests/EndToEndTest.php
index 45f6708b1f..3fa92c950b 100755
--- a/src/php/tests/unit_tests/EndToEndTest.php
+++ b/src/php/tests/unit_tests/EndToEndTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/ServerTest.php b/src/php/tests/unit_tests/ServerTest.php
index cde6a9a8f7..d18f9abe9b 100644
--- a/src/php/tests/unit_tests/ServerTest.php
+++ b/src/php/tests/unit_tests/ServerTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/TimevalTest.php b/src/php/tests/unit_tests/TimevalTest.php
index 9e4bc294da..43abba126a 100755
--- a/src/php/tests/unit_tests/TimevalTest.php
+++ b/src/php/tests/unit_tests/TimevalTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/gen_build_yaml.py b/src/proto/gen_build_yaml.py
index e243d0defc..2a8d9fab93 100755
--- a/src/proto/gen_build_yaml.py
+++ b/src/proto/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@ import os
 import re
 import sys
 
-def update_deps(key, proto_filename, deps, is_trans, visited):
+def update_deps(key, proto_filename, deps, deps_external, is_trans, visited):
   if not proto_filename in visited:
     visited.append(proto_filename)
     with open(proto_filename) as inp:
@@ -44,10 +44,17 @@ def update_deps(key, proto_filename, deps, is_trans, visited):
         imp = re.search(r'import "([^"]*)"', line)
         if not imp: continue
         imp_proto = imp.group(1)
+        # This indicates an external dependency, which we should handle
+        # differently and not traverse recursively
+        if imp_proto.startswith('google/'):
+          if key not in deps_external:
+            deps_external[key] = []
+          deps_external[key].append(imp_proto[:-6])
+          continue
         if key not in deps: deps[key] = []
         deps[key].append(imp_proto[:-6])
         if is_trans:
-          update_deps(key, imp_proto, deps, is_trans, visited)
+          update_deps(key, imp_proto, deps, deps_external, is_trans, visited)
 
 def main():
   proto_dir = os.path.abspath(os.path.dirname(sys.argv[0]))
@@ -55,17 +62,23 @@ def main():
 
   deps = {}
   deps_trans = {}
+  deps_external = {}
+  deps_external_trans = {}
   for root, dirs, files in os.walk('src/proto'):
     for f in files:
       if f[-6:] != '.proto': continue
       look_at = os.path.join(root, f)
       deps_for = look_at[:-6]
-      update_deps(deps_for, look_at, deps, False, [])      # First level deps
-      update_deps(deps_for, look_at, deps_trans, True, []) # Transitive deps
+      # First level deps
+      update_deps(deps_for, look_at, deps, deps_external, False, [])
+      # Transitive deps
+      update_deps(deps_for, look_at, deps_trans, deps_external_trans, True, [])
 
   json = {
     'proto_deps': deps,
-    'proto_transitive_deps': deps_trans
+    'proto_transitive_deps': deps_trans,
+    'proto_external_deps': deps_external,
+    'proto_transitive_external_deps': deps_external_trans
   }
 
   print yaml.dump(json)
diff --git a/src/proto/grpc/binary_log/v1alpha/log.proto b/src/proto/grpc/binary_log/v1alpha/log.proto
new file mode 100644
index 0000000000..6cc473be74
--- /dev/null
+++ b/src/proto/grpc/binary_log/v1alpha/log.proto
@@ -0,0 +1,108 @@
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+import "google/protobuf/timestamp.proto"
+
+package grpc.binary_log.v1alpha;
+
+enum Direction {
+  SERVER_SEND;
+  SERVER_RECV;
+  CLIENT_SEND;
+  CLIENT_RECV;
+}
+
+message KeyValuePair {
+  string key;
+  string value;
+}
+
+// Any sort of metadata that may be sent in either direction during a call
+message Metadata {
+  // Cryptographically unique identifier, generated on the client and sent
+  // to the server.
+  uint64 rpc_id = 1;
+  // Timestamp of logging the metadata
+  google.protobuf.Timestamp timestamp = 2;
+  Direction direction = 3;
+  // The actual metadata that is being sent
+  repeated KeyValuePair metadata = 4;
+
+  // Initial metadata sent by the client to initiate a request
+  message ClientInitialMetadata {
+    // The full method name that is being called
+    string method_name = 1;
+    // The call's deadline
+    google.protobuf.Timestamp deadline = 2;
+    // The address of the connected peer
+    string peer = 3;
+  }
+
+  // Arbitrary key/value pairs specified by the user that are not sent over
+  // the network but are nonetheless useful to log
+  message UserData {
+  }
+
+  // Initial metadata response sent by the server after accepting the request
+  message ServerInitialMetadata {
+  }
+
+  // Status sent by the server when closing the call on the server side
+  message ServerStatus {
+    // The status code
+    uint32 code = 1;
+    // The status details
+    string details = 2;
+  }
+
+  oneof kind {
+    ClientInitialMetadata client_initial_metadata = 5;
+    UserData user_data = 6;
+    ServerInitialMetadata server_initial_metadata = 7;
+    ServerStatus server_status = 8;
+  }
+}
+
+// A message that is sent during a call
+message Message {
+  // Cryptographically unique identifier, generated on the client and sent
+  // to the server.
+  uint64 rpc_id = 1;
+  // The sequence number of the message. Messages sent by the client and by the
+  // server should have independently incrementing sequence numbers.
+  uint32 sequence_number = 2;
+  Direction direction = 3;
+  // The length of the complete message.
+  uint32 length = 4;
+  // The contents of the message. May be a prefix instead of the complete
+  // message.
+  bytes data = 5;
+}
\ No newline at end of file
diff --git a/src/proto/grpc/health/v1alpha/health.proto b/src/proto/grpc/health/v1/health.proto
index 05f837dd99..4ab30a0256 100644
--- a/src/proto/grpc/health/v1alpha/health.proto
+++ b/src/proto/grpc/health/v1/health.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -29,12 +29,11 @@
 
 syntax = "proto3";
 
-package grpc.health.v1alpha;
-option csharp_namespace = "Grpc.Health.V1Alpha";
+package grpc.health.v1;
+option csharp_namespace = "Grpc.Health.V1";
 
 message HealthCheckRequest {
-  string host = 1;
-  string service = 2;
+  string service = 1;
 }
 
 message HealthCheckResponse {
diff --git a/src/proto/grpc/lb/v0/load_balancer.options b/src/proto/grpc/lb/v0/load_balancer.options
new file mode 100644
index 0000000000..6d4528f838
--- /dev/null
+++ b/src/proto/grpc/lb/v0/load_balancer.options
@@ -0,0 +1,6 @@
+grpc.lb.v0.InitialLoadBalanceRequest.name max_size:128
+grpc.lb.v0.InitialLoadBalanceResponse.client_config max_size:64
+grpc.lb.v0.InitialLoadBalanceResponse.load_balancer_delegate max_size:64
+grpc.lb.v0.Server.ip_address max_size:46
+grpc.lb.v0.Server.load_balance_token max_size:64
+load_balancer.proto no_unions:true
diff --git a/src/proto/grpc/lb/v0/load_balancer.proto b/src/proto/grpc/lb/v0/load_balancer.proto
new file mode 100644
index 0000000000..e88a4f8c4a
--- /dev/null
+++ b/src/proto/grpc/lb/v0/load_balancer.proto
@@ -0,0 +1,144 @@
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package grpc.lb.v0;
+
+message Duration {
+
+  // Signed seconds of the span of time. Must be from -315,576,000,000
+  // to +315,576,000,000 inclusive.
+  int64 seconds = 1;
+
+  // Signed fractions of a second at nanosecond resolution of the span
+  // of time. Durations less than one second are represented with a 0
+  // `seconds` field and a positive or negative `nanos` field. For durations
+  // of one second or more, a non-zero value for the `nanos` field must be
+  // of the same sign as the `seconds` field. Must be from -999,999,999
+  // to +999,999,999 inclusive.
+  int32 nanos = 2;
+}
+
+service LoadBalancer {
+  // Bidirectional rpc to get a list of servers.
+  rpc BalanceLoad(stream LoadBalanceRequest)
+      returns (stream LoadBalanceResponse);
+}
+
+message LoadBalanceRequest {
+  oneof load_balance_request_type {
+    // This message should be sent on the first request to the load balancer.
+    InitialLoadBalanceRequest initial_request = 1;
+
+    // The client stats should be periodically reported to the load balancer
+    // based on the duration defined in the InitialLoadBalanceResponse.
+    ClientStats client_stats = 2;
+  }
+}
+
+message InitialLoadBalanceRequest {
+  // Name of load balanced service (IE, service.grpc.gslb.google.com)
+  string name = 1;
+}
+
+// Contains client level statistics that are useful to load balancing. Each
+// count should be reset to zero after reporting the stats.
+message ClientStats {
+  // The total number of requests sent by the client since the last report.
+  int64 total_requests = 1;
+
+  // The number of client rpc errors since the last report.
+  int64 client_rpc_errors = 2;
+
+  // The number of dropped requests since the last report.
+  int64 dropped_requests = 3;
+}
+
+message LoadBalanceResponse {
+  oneof load_balance_response_type {
+    // This message should be sent on the first response to the client.
+    InitialLoadBalanceResponse initial_response = 1;
+
+    // Contains the list of servers selected by the load balancer. The client
+    // should send requests to these servers in the specified order.
+    ServerList server_list = 2;
+  }
+}
+
+message InitialLoadBalanceResponse {
+  oneof initial_response_type {
+    // Contains gRPC config options like RPC deadline or flow control.
+    // TODO(yetianx): Change to ClientConfig after it is defined.
+    string client_config = 1;
+
+    // This is an application layer redirect that indicates the client should
+    // use the specified server for load balancing. When this field is set in
+    // the response, the client should open a separate connection to the
+    // load_balancer_delegate and call the BalanceLoad method.
+    string load_balancer_delegate = 2;
+  }
+
+  // This interval defines how often the client should send the client stats
+  // to the load balancer. Stats should only be reported when the duration is
+  // positive.
+  Duration client_stats_report_interval = 3;
+}
+
+message ServerList {
+  // Contains a list of servers selected by the load balancer. The list will
+  // be updated when server resolutions change or as needed to balance load
+  // across more servers. The client should consume the server list in order
+  // unless instructed otherwise via the client_config.
+  repeated Server servers = 1;
+
+  // Indicates the amount of time that the client should consider this server
+  // list as valid. It may be considered stale after waiting this interval of
+  // time after receiving the list. If the interval is not positive, the
+  // client can assume the list is valid until the next list is received.
+  Duration expiration_interval = 3;
+}
+
+message Server {
+  // A resolved address and port for the server. The IP address string may
+  // either be an IPv4 or IPv6 address.
+  string ip_address = 1;
+  int32 port = 2;
+
+  // An opaque token that is passed from the client to the server in metadata.
+  // The server may expect this token to indicate that the request from the
+  // client was load balanced.
+  // TODO(yetianx): Not used right now, and will be used after implementing
+  // load report.
+  bytes load_balance_token = 3;
+
+  // Indicates whether this particular request should be dropped by the client
+  // when this server is chosen from the list.
+  bool drop_request = 4;
+}
diff --git a/src/proto/grpc/testing/control.proto b/src/proto/grpc/testing/control.proto
index cc365cafe1..5db39d0298 100644
--- a/src/proto/grpc/testing/control.proto
+++ b/src/proto/grpc/testing/control.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -169,3 +169,69 @@ message CoreResponse {
 
 message Void {
 }
+
+// A single performance scenario: input to qps_json_driver
+message Scenario {
+  // Human readable name for this scenario
+  string name = 1;
+  // Client configuration
+  ClientConfig client_config = 2;
+  // Number of clients to start for the test
+  int32 num_clients = 3;
+  // Server configuration
+  ServerConfig server_config = 4;
+  // Number of servers to start for the test
+  int32 num_servers = 5;
+  // Warmup period, in seconds
+  int32 warmup_seconds = 6;
+  // Benchmark time, in seconds
+  int32 benchmark_seconds = 7;
+  // Number of workers to spawn locally (usually zero)
+  int32 spawn_local_worker_count = 8;
+}
+
+// A set of scenarios to be run with qps_json_driver
+message Scenarios {
+  repeated Scenario scenarios = 1;
+}
+
+// Basic summary that can be computed from ClientStats and ServerStats
+// once the scenario has finished.
+message ScenarioResultSummary
+{
+  // Total number of operations per second over all clients.
+  double qps = 1;
+  // QPS per one server core.
+  double qps_per_server_core = 2;
+  // server load based on system_time (0.85 => 85%)
+  double server_system_time = 3;
+  // server load based on user_time (0.85 => 85%)
+  double server_user_time = 4;
+  // client load based on system_time (0.85 => 85%)
+  double client_system_time = 5;
+  // client load based on user_time (0.85 => 85%)
+  double client_user_time = 6;
+
+  // X% latency percentiles (in nanoseconds)
+  double latency_50 = 7;
+  double latency_90 = 8;
+  double latency_95 = 9;
+  double latency_99 = 10;
+  double latency_999 = 11;
+}
+
+// Results of a single benchmark scenario.
+message ScenarioResult {
+  // Inputs used to run the scenario.
+  Scenario scenario = 1;
+  // Histograms from all clients merged into one histogram.
+  HistogramData latencies = 2;
+  // Client stats for each client
+  repeated ClientStats client_stats = 3;
+  // Server stats for each server
+  repeated ServerStats server_stats = 4;
+  // Number of cores available to each server
+  repeated int32 server_cores = 5;
+  // An after-the-fact computed summary
+  ScenarioResultSummary summary = 6;
+}
diff --git a/src/proto/grpc/testing/duplicate/echo_duplicate.proto b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
index 9d84de108e..94130ea767 100644
--- a/src/proto/grpc/testing/duplicate/echo_duplicate.proto
+++ b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/echo.proto b/src/proto/grpc/testing/echo.proto
index 06c3bafbad..0eef53a92a 100644
--- a/src/proto/grpc/testing/echo.proto
+++ b/src/proto/grpc/testing/echo.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/echo_messages.proto b/src/proto/grpc/testing/echo_messages.proto
index d05a35548d..1be1966f10 100644
--- a/src/proto/grpc/testing/echo_messages.proto
+++ b/src/proto/grpc/testing/echo_messages.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -42,6 +42,7 @@ message RequestParams {
   bool echo_peer = 7;
   string expected_client_identity = 8; // will force check_auth_context.
   bool skip_cancelled_check = 9;
+  string expected_transport_security_type = 10;
 }
 
 message EchoRequest {
diff --git a/src/proto/grpc/testing/messages.proto b/src/proto/grpc/testing/messages.proto
index 193b6c4171..a063b470c7 100644
--- a/src/proto/grpc/testing/messages.proto
+++ b/src/proto/grpc/testing/messages.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -159,6 +159,12 @@ message StreamingOutputCallResponse {
 }
 
 // For reconnect interop test only.
+// Client tells server what reconnection parameters it used.
+message ReconnectParams {
+  int32 max_reconnect_backoff_ms = 1;
+}
+
+// For reconnect interop test only.
 // Server tells client whether its reconnects are following the spec and the
 // reconnect backoffs it saw.
 message ReconnectInfo {
diff --git a/src/proto/grpc/testing/metrics.proto b/src/proto/grpc/testing/metrics.proto
index 4485d3a53b..1202b20b8f 100644
--- a/src/proto/grpc/testing/metrics.proto
+++ b/src/proto/grpc/testing/metrics.proto
@@ -1,5 +1,4 @@
-
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -28,26 +27,38 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
+// Contains the definitions for a metrics service and the type of metrics
+// exposed by the service.
+//
+// Currently, 'Gauge' (i.e a metric that represents the measured value of
+// something at an instant of time) is the only metric type supported by the
+// service.
 syntax = "proto3";
 
 package grpc.testing;
 
+// Reponse message containing the gauge name and value
 message GaugeResponse {
   string name = 1;
   oneof value {
     int64 long_value = 2;
-    double double_vale = 3;
+    double double_value = 3;
     string string_value = 4;
   }
 }
 
-message GaugeRequest { string name = 1; }
+// Request message containing the gauge name
+message GaugeRequest {
+  string name = 1;
+}
 
 message EmptyMessage {}
 
 service MetricsService {
+  // Returns the values of all the gauges that are currently being maintained by
+  // the service
   rpc GetAllGauges(EmptyMessage) returns (stream GaugeResponse);
+
+  // Returns the value of one gauge
   rpc GetGauge(GaugeRequest) returns (GaugeResponse);
 }
diff --git a/src/proto/grpc/testing/services.proto b/src/proto/grpc/testing/services.proto
index a2c5fda47e..f71dae34ee 100644
--- a/src/proto/grpc/testing/services.proto
+++ b/src/proto/grpc/testing/services.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/test.proto b/src/proto/grpc/testing/test.proto
index 9faba297a3..84369db4b8 100644
--- a/src/proto/grpc/testing/test.proto
+++ b/src/proto/grpc/testing/test.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -80,6 +80,6 @@ service UnimplementedService {
 
 // A service used to control reconnect server.
 service ReconnectService {
-  rpc Start(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc Start(grpc.testing.ReconnectParams) returns (grpc.testing.Empty);
   rpc Stop(grpc.testing.Empty) returns (grpc.testing.ReconnectInfo);
 }
diff --git a/src/python/grpcio/README.rst b/src/python/grpcio/README.rst
index 698c760ebe..33a462b66f 100644
--- a/src/python/grpcio/README.rst
+++ b/src/python/grpcio/README.rst
@@ -6,7 +6,7 @@ Package for gRPC Python.
 Installation
 ------------
 
-gRPC Python is available for Linux and Mac OS X running Python 2.7.
+gRPC Python is available for Linux, Mac OS X, and Windows running Python 2.7.
 
 From PyPI
 ~~~~~~~~~
@@ -23,18 +23,70 @@ Else system wide (on Ubuntu)...
 
   $ sudo pip install grpcio
 
+n.b. On Windows and on Mac OS X one *must* have a recent release of :code:`pip`
+to retrieve the proper wheel from PyPI. Be sure to upgrade to the latest
+version!
+
 From Source
 ~~~~~~~~~~~
 
 Building from source requires that you have the Python headers (usually a
-package named `python-dev`).
+package named :code:`python-dev`).
 
 ::
 
-  $ export REPO_ROOT=grpc
+  $ export REPO_ROOT=grpc  # REPO_ROOT can be any directory of your choice
   $ git clone https://github.com/grpc/grpc.git $REPO_ROOT
   $ cd $REPO_ROOT
-  $ pip install .
 
-Note that `$REPO_ROOT` can be assigned to whatever directory name floats your
-fancy.
+  # For the next two commands do `sudo pip install` if you get permission-denied errors
+  $ pip install -rrequirements.txt
+  $ GRPC_PYTHON_BUILD_WITH_CYTHON=1 pip install .
+
+
+Troubleshooting
+~~~~~~~~~~~~~~~
+
+Help, I ...
+
+* **... see a** :code:`pkg_resources.VersionConflict` **when I try to install
+  grpc**
+
+  This is likely because :code:`pip` doesn't own the offending dependency,
+  which in turn is likely because your operating system's package manager owns
+  it. You'll need to force the installation of the dependency:
+
+  :code:`pip install --ignore-installed $OFFENDING_DEPENDENCY`
+
+  For example, if you get an error like the following:
+
+  ::
+
+    Traceback (most recent call last):
+    File "<string>", line 17, in <module>
+     ...
+    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 509, in find
+      raise VersionConflict(dist, req)
+    pkg_resources.VersionConflict: (six 1.8.0 (/usr/lib/python2.7/dist-packages), Requirement.parse('six>=1.10'))
+
+  You can fix it by doing:
+
+  ::
+
+    sudo pip install --ignore-installed six
+
+* **... see the following error on some platforms**
+
+  ::
+
+    /tmp/pip-build-U8pSsr/cython/Cython/Plex/Scanners.c:4:20: fatal error: Python.h: No such file or directory
+    #include "Python.h"
+                    ^
+    compilation terminated.
+
+  You can fix it by installing `python-dev` package. i.e
+
+  ::
+
+    sudo apt-get install python-dev
+
diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index aa29c728f2..9e745701c1 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -119,8 +119,7 @@ class SphinxDocumentation(setuptools.Command):
     import sphinx
     import sphinx.apidoc
     metadata = self.distribution.metadata
-    src_dir = os.path.join(
-        PYTHON_STEM, self.distribution.package_dir[''], 'grpc')
+    src_dir = os.path.join(PYTHON_STEM, 'grpc')
     sys.path.append(src_dir)
     sphinx.apidoc.main([
         '', '--force', '--full', '-H', metadata.name, '-A', metadata.author,
@@ -264,6 +263,36 @@ class Gather(setuptools.Command):
       self.distribution.fetch_build_eggs(self.distribution.tests_require)
 
 
+class TestLite(setuptools.Command):
+  """Command to run tests without fetching or building anything."""
+
+  description = 'run tests without fetching or building anything.'
+  user_options = []
+
+  def initialize_options(self):
+    pass
+
+  def finalize_options(self):
+    # distutils requires this override.
+    pass
+
+  def run(self):
+    self._add_eggs_to_path()
+
+    import tests
+    loader = tests.Loader()
+    loader.loadTestsFromNames(['tests'])
+    runner = tests.Runner()
+    result = runner.run(loader.suite)
+    if not result.wasSuccessful():
+      sys.exit('Test failure')
+
+  def _add_eggs_to_path(self):
+    """Fetch install and test requirements"""
+    self.distribution.fetch_build_eggs(self.distribution.install_requires)
+    self.distribution.fetch_build_eggs(self.distribution.tests_require)
+
+
 class RunInterop(test.test):
 
   description = 'run interop test client/server'
diff --git a/src/python/grpcio/grpc/_adapter/_low.py b/src/python/grpcio/grpc/_adapter/_low.py
index 62fd52ab40..b13d8dd9dd 100644
--- a/src/python/grpcio/grpc/_adapter/_low.py
+++ b/src/python/grpcio/grpc/_adapter/_low.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_adapter/_types.py b/src/python/grpcio/grpc/_adapter/_types.py
index 3d5ab33d00..8ca7ff4b60 100644
--- a/src/python/grpcio/grpc/_adapter/_types.py
+++ b/src/python/grpcio/grpc/_adapter/_types.py
@@ -31,6 +31,8 @@ import abc
 import collections
 import enum
 
+import six
+
 from grpc._cython import cygrpc
 
 
@@ -247,8 +249,7 @@ class Event(collections.namedtuple(
   """
 
 
-class CompletionQueue:
-  __metaclass__ = abc.ABCMeta
+class CompletionQueue(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self):
@@ -262,6 +263,9 @@ class CompletionQueue:
     """
     return self
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self, deadline=float('+inf')):
     """Get the next event on this completion queue.
@@ -285,8 +289,7 @@ class CompletionQueue:
     return None
 
 
-class Call:
-  __metaclass__ = abc.ABCMeta
+class Call(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def start_batch(self, ops, tag):
@@ -334,8 +337,7 @@ class Call:
     return None
 
 
-class Channel:
-  __metaclass__ = abc.ABCMeta
+class Channel(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self, target, args, credentials=None):
@@ -399,8 +401,7 @@ class Channel:
     return None
 
 
-class Server:
-  __metaclass__ = abc.ABCMeta
+class Server(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self, completion_queue, args):
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
index 80f4da51e8..1bfe6344e0 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
@@ -40,14 +40,17 @@ cdef class Call:
   def start_batch(self, operations, tag):
     if not self.is_valid:
       raise ValueError("invalid call object cannot be used from Python")
+    cdef grpc_call_error result
     cdef Operations cy_operations = Operations(operations)
     cdef OperationTag operation_tag = OperationTag(tag)
     operation_tag.operation_call = self
     operation_tag.batch_operations = cy_operations
     cpython.Py_INCREF(operation_tag)
-    return grpc_call_start_batch(
-        self.c_call, cy_operations.c_ops, cy_operations.c_nops,
-        <cpython.PyObject *>operation_tag, NULL)
+    with nogil:
+      result = grpc_call_start_batch(
+          self.c_call, cy_operations.c_ops, cy_operations.c_nops,
+          <cpython.PyObject *>operation_tag, NULL)
+    return result
 
   def cancel(
       self, grpc_status_code error_code=GRPC_STATUS__DO_NOT_USE,
@@ -57,6 +60,8 @@ cdef class Call:
     if (details is None) != (error_code == GRPC_STATUS__DO_NOT_USE):
       raise ValueError("if error_code is specified, so must details "
                        "(and vice-versa)")
+    cdef grpc_call_error result
+    cdef char *c_details = NULL
     if error_code != GRPC_STATUS__DO_NOT_USE:
       if isinstance(details, bytes):
         pass
@@ -65,25 +70,37 @@ cdef class Call:
       else:
         raise TypeError("expected details to be str or bytes")
       self.references.append(details)
-      return grpc_call_cancel_with_status(
-          self.c_call, error_code, details, NULL)
+      c_details = details
+      with nogil:
+        result = grpc_call_cancel_with_status(
+            self.c_call, error_code, c_details, NULL)
+      return result
     else:
-      return grpc_call_cancel(self.c_call, NULL)
+      with nogil:
+        result = grpc_call_cancel(self.c_call, NULL)
+      return result
 
   def set_credentials(
       self, CallCredentials call_credentials not None):
-    return grpc_call_set_credentials(
-        self.c_call, call_credentials.c_credentials)
+    cdef grpc_call_error result
+    with nogil:
+      result = grpc_call_set_credentials(
+          self.c_call, call_credentials.c_credentials)
+    return result
 
   def peer(self):
-    cdef char *peer = grpc_call_get_peer(self.c_call)
+    cdef char *peer = NULL
+    with nogil:
+      peer = grpc_call_get_peer(self.c_call)
     result = <bytes>peer
-    gpr_free(peer)
+    with nogil:
+      gpr_free(peer)
     return result
 
   def __dealloc__(self):
     if self.c_call != NULL:
-      grpc_call_destroy(self.c_call)
+      with nogil:
+        grpc_call_destroy(self.c_call)
 
   # The object *should* always be valid from Python. Used for debugging.
   @property
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
index ac67f32d92..c26bc083cf 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
@@ -35,6 +35,7 @@ cdef class Channel:
   def __cinit__(self, target, ChannelArgs arguments=None,
                 ChannelCredentials channel_credentials=None):
     cdef grpc_channel_args *c_arguments = NULL
+    cdef char *c_target = NULL
     self.c_channel = NULL
     self.references = []
     if arguments is not None:
@@ -45,12 +46,15 @@ cdef class Channel:
       target = target.encode()
     else:
       raise TypeError("expected target to be str or bytes")
+    c_target = target
     if channel_credentials is None:
-      self.c_channel = grpc_insecure_channel_create(target, c_arguments,
-                                                         NULL)
+      with nogil:
+        self.c_channel = grpc_insecure_channel_create(c_target, c_arguments,
+                                                      NULL)
     else:
-      self.c_channel = grpc_secure_channel_create(
-          channel_credentials.c_credentials, target, c_arguments, NULL)
+      with nogil:
+        self.c_channel = grpc_secure_channel_create(
+            channel_credentials.c_credentials, c_target, c_arguments, NULL)
       self.references.append(channel_credentials)
     self.references.append(target)
     self.references.append(arguments)
@@ -66,6 +70,7 @@ cdef class Channel:
       method = method.encode()
     else:
       raise TypeError("expected method to be str or bytes")
+    cdef char *method_c_string = method
     cdef char *host_c_string = NULL
     if host is None:
       pass
@@ -81,31 +86,40 @@ cdef class Channel:
     cdef grpc_call *parent_call = NULL
     if parent is not None:
       parent_call = parent.c_call
-    operation_call.c_call = grpc_channel_create_call(
-        self.c_channel, parent_call, flags,
-        queue.c_completion_queue, method, host_c_string, deadline.c_time,
-        NULL)
+    with nogil:
+      operation_call.c_call = grpc_channel_create_call(
+          self.c_channel, parent_call, flags,
+          queue.c_completion_queue, method_c_string, host_c_string,
+          deadline.c_time, NULL)
     return operation_call
 
   def check_connectivity_state(self, bint try_to_connect):
-    return grpc_channel_check_connectivity_state(self.c_channel,
-                                                      try_to_connect)
+    cdef grpc_connectivity_state result
+    with nogil:
+      result = grpc_channel_check_connectivity_state(self.c_channel,
+                                                     try_to_connect)
+    return result
 
   def watch_connectivity_state(
-      self, last_observed_state, Timespec deadline not None,
-      CompletionQueue queue not None, tag):
+      self, grpc_connectivity_state last_observed_state,
+      Timespec deadline not None, CompletionQueue queue not None, tag):
     cdef OperationTag operation_tag = OperationTag(tag)
     cpython.Py_INCREF(operation_tag)
-    grpc_channel_watch_connectivity_state(
-        self.c_channel, last_observed_state, deadline.c_time,
-        queue.c_completion_queue, <cpython.PyObject *>operation_tag)
+    with nogil:
+      grpc_channel_watch_connectivity_state(
+          self.c_channel, last_observed_state, deadline.c_time,
+          queue.c_completion_queue, <cpython.PyObject *>operation_tag)
 
   def target(self):
-    cdef char * target = grpc_channel_get_target(self.c_channel)
+    cdef char *target = NULL
+    with nogil:
+      target = grpc_channel_get_target(self.c_channel)
     result = <bytes>target
-    gpr_free(target)
+    with nogil:
+      gpr_free(target)
     return result
 
   def __dealloc__(self):
     if self.c_channel != NULL:
-      grpc_channel_destroy(self.c_channel)
+      with nogil:
+        grpc_channel_destroy(self.c_channel)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
index 757f1245e8..a67c963684 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
@@ -31,8 +31,9 @@
 cdef class CompletionQueue:
 
   cdef grpc_completion_queue *c_completion_queue
-  cdef object poll_condition
-  cdef bint is_polling
+  cdef object pluck_condition
+  cdef int num_plucking
+  cdef int num_polling
   cdef bint is_shutting_down
   cdef bint is_shutdown
 
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
index bbf8413299..cdae39d519 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
@@ -36,11 +36,13 @@ import time
 cdef class CompletionQueue:
 
   def __cinit__(self):
-    self.c_completion_queue = grpc_completion_queue_create(NULL)
+    with nogil:
+      self.c_completion_queue = grpc_completion_queue_create(NULL)
     self.is_shutting_down = False
     self.is_shutdown = False
-    self.poll_condition = threading.Condition()
-    self.is_polling = False
+    self.pluck_condition = threading.Condition()
+    self.num_plucking = 0
+    self.num_polling = 0
 
   cdef _interpret_event(self, grpc_event event):
     cdef OperationTag tag = None
@@ -81,25 +83,22 @@ cdef class CompletionQueue:
   def poll(self, Timespec deadline=None):
     # We name this 'poll' to avoid problems with CPython's expectations for
     # 'special' methods (like next and __next__).
-    cdef gpr_timespec c_deadline = gpr_inf_future(
-        GPR_CLOCK_REALTIME)
+    cdef gpr_timespec c_deadline
+    with nogil:
+      c_deadline = gpr_inf_future(GPR_CLOCK_REALTIME)
     if deadline is not None:
       c_deadline = deadline.c_time
     cdef grpc_event event
 
-    # Poll within a critical section
-    # TODO(atash) consider making queue polling contention a hard error to
-    # enable easier bug discovery
-    with self.poll_condition:
-      while self.is_polling:
-        self.poll_condition.wait(float(deadline) - time.time())
-      self.is_polling = True
+    # Poll within a critical section to detect contention
+    with self.pluck_condition:
+      assert self.num_plucking == 0, 'cannot simultaneously pluck and poll'
+      self.num_polling += 1
     with nogil:
       event = grpc_completion_queue_next(
           self.c_completion_queue, c_deadline, NULL)
-    with self.poll_condition:
-      self.is_polling = False
-      self.poll_condition.notify()
+    with self.pluck_condition:
+      self.num_polling -= 1
     return self._interpret_event(event)
 
   def pluck(self, OperationTag tag, Timespec deadline=None):
@@ -111,23 +110,23 @@ cdef class CompletionQueue:
       c_deadline = deadline.c_time
     cdef grpc_event event
 
-    # Poll within a critical section
-    # TODO(atash) consider making queue polling contention a hard error to
-    # enable easier bug discovery
-    with self.poll_condition:
-      while self.is_polling:
-        self.poll_condition.wait(float(deadline) - time.time())
-      self.is_polling = True
+    # Pluck within a critical section to detect contention
+    with self.pluck_condition:
+      assert self.num_polling == 0, 'cannot simultaneously pluck and poll'
+      assert self.num_plucking < GRPC_MAX_COMPLETION_QUEUE_PLUCKERS, (
+          'cannot pluck more than {} times simultaneously'.format(
+              GRPC_MAX_COMPLETION_QUEUE_PLUCKERS))
+      self.num_plucking += 1
     with nogil:
       event = grpc_completion_queue_pluck(
           self.c_completion_queue, <cpython.PyObject *>tag, c_deadline, NULL)
-    with self.poll_condition:
-      self.is_polling = False
-      self.poll_condition.notify()
+    with self.pluck_condition:
+      self.num_plucking -= 1
     return self._interpret_event(event)
 
   def shutdown(self):
-    grpc_completion_queue_shutdown(self.c_completion_queue)
+    with nogil:
+      grpc_completion_queue_shutdown(self.c_completion_queue)
     self.is_shutting_down = True
 
   def clear(self):
@@ -137,10 +136,19 @@ cdef class CompletionQueue:
       pass
 
   def __dealloc__(self):
+    cdef gpr_timespec c_deadline
+    with nogil:
+      c_deadline = gpr_inf_future(GPR_CLOCK_REALTIME)
     if self.c_completion_queue != NULL:
-      # Ensure shutdown, pump the queue
+      # Ensure shutdown
       if not self.is_shutting_down:
-        self.shutdown()
+        with nogil:
+          grpc_completion_queue_shutdown(self.c_completion_queue)
+      # Pump the queue
       while not self.is_shutdown:
-        self.poll()
-      grpc_completion_queue_destroy(self.c_completion_queue)
+        with nogil:
+          event = grpc_completion_queue_next(
+              self.c_completion_queue, c_deadline, NULL)
+        self._interpret_event(event)
+      with nogil:
+        grpc_completion_queue_destroy(self.c_completion_queue)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
index 3f439c8900..842635f56b 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
@@ -46,7 +46,8 @@ cdef class ChannelCredentials:
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      grpc_channel_credentials_release(self.c_credentials)
+      with nogil:
+        grpc_channel_credentials_release(self.c_credentials)
 
 
 cdef class CallCredentials:
@@ -63,7 +64,8 @@ cdef class CallCredentials:
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      grpc_call_credentials_release(self.c_credentials)
+      with nogil:
+        grpc_call_credentials_release(self.c_credentials)
 
 
 cdef class ServerCredentials:
@@ -74,7 +76,8 @@ cdef class ServerCredentials:
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      grpc_server_credentials_release(self.c_credentials)
+      with nogil:
+        grpc_server_credentials_release(self.c_credentials)
 
 
 cdef class CredentialsMetadataPlugin:
@@ -139,7 +142,8 @@ cdef void plugin_destroy_c_plugin_state(void *state):
 
 def channel_credentials_google_default():
   cdef ChannelCredentials credentials = ChannelCredentials();
-  credentials.c_credentials = grpc_google_default_credentials_create()
+  with nogil:
+    credentials.c_credentials = grpc_google_default_credentials_create()
   return credentials
 
 def channel_credentials_ssl(pem_root_certificates,
@@ -158,12 +162,14 @@ def channel_credentials_ssl(pem_root_certificates,
     c_pem_root_certificates = pem_root_certificates
     credentials.references.append(pem_root_certificates)
   if ssl_pem_key_cert_pair is not None:
-    credentials.c_credentials = grpc_ssl_credentials_create(
-        c_pem_root_certificates, &ssl_pem_key_cert_pair.c_pair, NULL)
+    with nogil:
+      credentials.c_credentials = grpc_ssl_credentials_create(
+          c_pem_root_certificates, &ssl_pem_key_cert_pair.c_pair, NULL)
     credentials.references.append(ssl_pem_key_cert_pair)
   else:
-    credentials.c_credentials = grpc_ssl_credentials_create(
-      c_pem_root_certificates, NULL, NULL)
+    with nogil:
+      credentials.c_credentials = grpc_ssl_credentials_create(
+        c_pem_root_certificates, NULL, NULL)
   return credentials
 
 def channel_credentials_composite(
@@ -172,8 +178,9 @@ def channel_credentials_composite(
   if not credentials_1.is_valid or not credentials_2.is_valid:
     raise ValueError("passed credentials must both be valid")
   cdef ChannelCredentials credentials = ChannelCredentials()
-  credentials.c_credentials = grpc_composite_channel_credentials_create(
-      credentials_1.c_credentials, credentials_2.c_credentials, NULL)
+  with nogil:
+    credentials.c_credentials = grpc_composite_channel_credentials_create(
+        credentials_1.c_credentials, credentials_2.c_credentials, NULL)
   credentials.references.append(credentials_1)
   credentials.references.append(credentials_2)
   return credentials
@@ -184,16 +191,18 @@ def call_credentials_composite(
   if not credentials_1.is_valid or not credentials_2.is_valid:
     raise ValueError("passed credentials must both be valid")
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = grpc_composite_call_credentials_create(
-      credentials_1.c_credentials, credentials_2.c_credentials, NULL)
+  with nogil:
+    credentials.c_credentials = grpc_composite_call_credentials_create(
+        credentials_1.c_credentials, credentials_2.c_credentials, NULL)
   credentials.references.append(credentials_1)
   credentials.references.append(credentials_2)
   return credentials
 
 def call_credentials_google_compute_engine():
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = (
-      grpc_google_compute_engine_credentials_create(NULL))
+  with nogil:
+    credentials.c_credentials = (
+        grpc_google_compute_engine_credentials_create(NULL))
   return credentials
 
 def call_credentials_service_account_jwt_access(
@@ -205,9 +214,11 @@ def call_credentials_service_account_jwt_access(
   else:
     raise TypeError("expected json_key to be str or bytes")
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = (
-      grpc_service_account_jwt_access_credentials_create(
-          json_key, token_lifetime.c_time, NULL))
+  cdef char *json_key_c_string = json_key
+  with nogil:
+    credentials.c_credentials = (
+        grpc_service_account_jwt_access_credentials_create(
+            json_key_c_string, token_lifetime.c_time, NULL))
   credentials.references.append(json_key)
   return credentials
 
@@ -219,8 +230,10 @@ def call_credentials_google_refresh_token(json_refresh_token):
   else:
     raise TypeError("expected json_refresh_token to be str or bytes")
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = grpc_google_refresh_token_credentials_create(
-      json_refresh_token, NULL)
+  cdef char *json_refresh_token_c_string = json_refresh_token
+  with nogil:
+    credentials.c_credentials = grpc_google_refresh_token_credentials_create(
+        json_refresh_token_c_string, NULL)
   credentials.references.append(json_refresh_token)
   return credentials
 
@@ -238,17 +251,21 @@ def call_credentials_google_iam(authorization_token, authority_selector):
   else:
     raise TypeError("expected authority_selector to be str or bytes")
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = grpc_google_iam_credentials_create(
-      authorization_token, authority_selector, NULL)
+  cdef char *authorization_token_c_string = authorization_token
+  cdef char *authority_selector_c_string = authority_selector
+  with nogil:
+    credentials.c_credentials = grpc_google_iam_credentials_create(
+        authorization_token_c_string, authority_selector_c_string, NULL)
   credentials.references.append(authorization_token)
   credentials.references.append(authority_selector)
   return credentials
 
 def call_credentials_metadata_plugin(CredentialsMetadataPlugin plugin):
   cdef CallCredentials credentials = CallCredentials()
-  credentials.c_credentials = (
-      grpc_metadata_credentials_create_from_plugin(plugin.make_c_plugin(),
-                                                        NULL))
+  cdef grpc_metadata_credentials_plugin c_plugin = plugin.make_c_plugin()
+  with nogil:
+    credentials.c_credentials = (
+        grpc_metadata_credentials_create_from_plugin(c_plugin, NULL))
   # TODO(atash): the following held reference is *probably* never necessary
   credentials.references.append(plugin)
   return credentials
@@ -274,11 +291,12 @@ def server_credentials_ssl(pem_root_certs, pem_key_cert_pairs,
   credentials.references.append(pem_key_cert_pairs)
   credentials.references.append(pem_root_certs)
   credentials.c_ssl_pem_key_cert_pairs_count = len(pem_key_cert_pairs)
-  credentials.c_ssl_pem_key_cert_pairs = (
-      <grpc_ssl_pem_key_cert_pair *>gpr_malloc(
-          sizeof(grpc_ssl_pem_key_cert_pair) *
-              credentials.c_ssl_pem_key_cert_pairs_count
-      ))
+  with nogil:
+    credentials.c_ssl_pem_key_cert_pairs = (
+        <grpc_ssl_pem_key_cert_pair *>gpr_malloc(
+            sizeof(grpc_ssl_pem_key_cert_pair) *
+                credentials.c_ssl_pem_key_cert_pairs_count
+        ))
   for i in range(credentials.c_ssl_pem_key_cert_pairs_count):
     credentials.c_ssl_pem_key_cert_pairs[i] = (
         (<SslPemKeyCertPair>pem_key_cert_pairs[i]).c_pair)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
index 800d0ea2f6..7696f8c7f7 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -38,27 +38,27 @@ cdef extern from "grpc/_cython/loader.h":
 
   int pygrpc_load_core(char*)
 
-  void *gpr_malloc(size_t size)
-  void gpr_free(void *ptr)
-  void *gpr_realloc(void *p, size_t size)
+  void *gpr_malloc(size_t size) nogil
+  void gpr_free(void *ptr) nogil
+  void *gpr_realloc(void *p, size_t size) nogil
 
   ctypedef struct gpr_slice:
     # don't worry about writing out the members of gpr_slice; we never access
     # them directly.
     pass
 
-  gpr_slice gpr_slice_ref(gpr_slice s)
-  void gpr_slice_unref(gpr_slice s)
-  gpr_slice gpr_slice_new(void *p, size_t len, void (*destroy)(void *))
+  gpr_slice gpr_slice_ref(gpr_slice s) nogil
+  void gpr_slice_unref(gpr_slice s) nogil
+  gpr_slice gpr_slice_new(void *p, size_t len, void (*destroy)(void *)) nogil
   gpr_slice gpr_slice_new_with_len(
-      void *p, size_t len, void (*destroy)(void *, size_t))
-  gpr_slice gpr_slice_malloc(size_t length)
-  gpr_slice gpr_slice_from_copied_string(const char *source)
-  gpr_slice gpr_slice_from_copied_buffer(const char *source, size_t len)
+      void *p, size_t len, void (*destroy)(void *, size_t)) nogil
+  gpr_slice gpr_slice_malloc(size_t length) nogil
+  gpr_slice gpr_slice_from_copied_string(const char *source) nogil
+  gpr_slice gpr_slice_from_copied_buffer(const char *source, size_t len) nogil
 
   # Declare functions for function-like macros (because Cython)...
-  void *gpr_slice_start_ptr "GPR_SLICE_START_PTR" (gpr_slice s)
-  size_t gpr_slice_length "GPR_SLICE_LENGTH" (gpr_slice s)
+  void *gpr_slice_start_ptr "GPR_SLICE_START_PTR" (gpr_slice s) nogil
+  size_t gpr_slice_length "GPR_SLICE_LENGTH" (gpr_slice s) nogil
 
   ctypedef enum gpr_clock_type:
     GPR_CLOCK_MONOTONIC
@@ -71,14 +71,14 @@ cdef extern from "grpc/_cython/loader.h":
     int32_t nanoseconds "tv_nsec"
     gpr_clock_type clock_type
 
-  gpr_timespec gpr_time_0(gpr_clock_type type)
-  gpr_timespec gpr_inf_future(gpr_clock_type type)
-  gpr_timespec gpr_inf_past(gpr_clock_type type)
+  gpr_timespec gpr_time_0(gpr_clock_type type) nogil
+  gpr_timespec gpr_inf_future(gpr_clock_type type) nogil
+  gpr_timespec gpr_inf_past(gpr_clock_type type) nogil
 
-  gpr_timespec gpr_now(gpr_clock_type clock)
+  gpr_timespec gpr_now(gpr_clock_type clock) nogil
 
   gpr_timespec gpr_convert_clock_type(gpr_timespec t,
-                                      gpr_clock_type target_clock)
+                                      gpr_clock_type target_clock) nogil
 
   ctypedef enum grpc_status_code:
     GRPC_STATUS_OK
@@ -114,15 +114,15 @@ cdef extern from "grpc/_cython/loader.h":
     pass
 
   grpc_byte_buffer *grpc_raw_byte_buffer_create(gpr_slice *slices,
-                                                size_t nslices)
-  size_t grpc_byte_buffer_length(grpc_byte_buffer *bb)
-  void grpc_byte_buffer_destroy(grpc_byte_buffer *byte_buffer)
+                                                size_t nslices) nogil
+  size_t grpc_byte_buffer_length(grpc_byte_buffer *bb) nogil
+  void grpc_byte_buffer_destroy(grpc_byte_buffer *byte_buffer) nogil
 
   void grpc_byte_buffer_reader_init(grpc_byte_buffer_reader *reader,
-                                    grpc_byte_buffer *buffer)
+                                    grpc_byte_buffer *buffer) nogil
   int grpc_byte_buffer_reader_next(grpc_byte_buffer_reader *reader,
-                                   gpr_slice *slice)
-  void grpc_byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader)
+                                   gpr_slice *slice) nogil
+  void grpc_byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader) nogil
 
   const char *GRPC_ARG_PRIMARY_USER_AGENT_STRING
   const char *GRPC_ARG_ENABLE_CENSUS
@@ -138,6 +138,8 @@ cdef extern from "grpc/_cython/loader.h":
   const int GRPC_WRITE_NO_COMPRESS
   const int GRPC_WRITE_USED_MASK
 
+  const int GRPC_MAX_COMPLETION_QUEUE_PLUCKERS
+
   ctypedef struct grpc_completion_queue:
     # We don't care about the internals (and in fact don't know them)
     pass
@@ -219,8 +221,8 @@ cdef extern from "grpc/_cython/loader.h":
     size_t capacity
     grpc_metadata *metadata
 
-  void grpc_metadata_array_init(grpc_metadata_array *array)
-  void grpc_metadata_array_destroy(grpc_metadata_array *array)
+  void grpc_metadata_array_init(grpc_metadata_array *array) nogil
+  void grpc_metadata_array_destroy(grpc_metadata_array *array) nogil
 
   ctypedef struct grpc_call_details:
     char *method
@@ -229,8 +231,8 @@ cdef extern from "grpc/_cython/loader.h":
     size_t host_capacity
     gpr_timespec deadline
 
-  void grpc_call_details_init(grpc_call_details *details)
-  void grpc_call_details_destroy(grpc_call_details *details)
+  void grpc_call_details_init(grpc_call_details *details) nogil
+  void grpc_call_details_destroy(grpc_call_details *details) nogil
 
   ctypedef enum grpc_op_type:
     GRPC_OP_SEND_INITIAL_METADATA
@@ -275,61 +277,62 @@ cdef extern from "grpc/_cython/loader.h":
     uint32_t flags
     grpc_op_data data
 
-  void grpc_init()
-  void grpc_shutdown()
+  void grpc_init() nogil
+  void grpc_shutdown() nogil
 
-  grpc_completion_queue *grpc_completion_queue_create(void *reserved)
+  grpc_completion_queue *grpc_completion_queue_create(void *reserved) nogil
   grpc_event grpc_completion_queue_next(grpc_completion_queue *cq,
                                         gpr_timespec deadline,
                                         void *reserved) nogil
   grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cq, void *tag,
                                          gpr_timespec deadline,
                                          void *reserved) nogil
-  void grpc_completion_queue_shutdown(grpc_completion_queue *cq)
-  void grpc_completion_queue_destroy(grpc_completion_queue *cq)
+  void grpc_completion_queue_shutdown(grpc_completion_queue *cq) nogil
+  void grpc_completion_queue_destroy(grpc_completion_queue *cq) nogil
 
-  grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
-                                        size_t nops, void *tag, void *reserved)
-  grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved)
+  grpc_call_error grpc_call_start_batch(
+      grpc_call *call, const grpc_op *ops, size_t nops, void *tag,
+      void *reserved) nogil
+  grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) nogil
   grpc_call_error grpc_call_cancel_with_status(grpc_call *call,
                                                grpc_status_code status,
                                                const char *description,
-                                               void *reserved)
-  char *grpc_call_get_peer(grpc_call *call)
-  void grpc_call_destroy(grpc_call *call)
+                                               void *reserved) nogil
+  char *grpc_call_get_peer(grpc_call *call) nogil
+  void grpc_call_destroy(grpc_call *call) nogil
 
   grpc_channel *grpc_insecure_channel_create(const char *target,
                                              const grpc_channel_args *args,
-                                             void *reserved)
-  grpc_call *grpc_channel_create_call(grpc_channel *channel,
-                                      grpc_call *parent_call,
-                                      uint32_t propagation_mask,
-                                      grpc_completion_queue *completion_queue,
-                                      const char *method, const char *host,
-                                      gpr_timespec deadline, void *reserved)
+                                             void *reserved) nogil
+  grpc_call *grpc_channel_create_call(
+      grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask,
+      grpc_completion_queue *completion_queue, const char *method,
+      const char *host, gpr_timespec deadline, void *reserved) nogil
   grpc_connectivity_state grpc_channel_check_connectivity_state(
-      grpc_channel *channel, int try_to_connect)
+      grpc_channel *channel, int try_to_connect) nogil
   void grpc_channel_watch_connectivity_state(
       grpc_channel *channel, grpc_connectivity_state last_observed_state,
-      gpr_timespec deadline, grpc_completion_queue *cq, void *tag)
-  char *grpc_channel_get_target(grpc_channel *channel)
-  void grpc_channel_destroy(grpc_channel *channel)
+      gpr_timespec deadline, grpc_completion_queue *cq, void *tag) nogil
+  char *grpc_channel_get_target(grpc_channel *channel) nogil
+  void grpc_channel_destroy(grpc_channel *channel) nogil
 
-  grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved)
+  grpc_server *grpc_server_create(
+      const grpc_channel_args *args, void *reserved) nogil
   grpc_call_error grpc_server_request_call(
       grpc_server *server, grpc_call **call, grpc_call_details *details,
       grpc_metadata_array *request_metadata, grpc_completion_queue
       *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void
-      *tag_new)
+      *tag_new) nogil
   void grpc_server_register_completion_queue(grpc_server *server,
                                              grpc_completion_queue *cq,
-                                             void *reserved)
-  int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr)
-  void grpc_server_start(grpc_server *server)
+                                             void *reserved) nogil
+  int grpc_server_add_insecure_http2_port(
+      grpc_server *server, const char *addr) nogil
+  void grpc_server_start(grpc_server *server) nogil
   void grpc_server_shutdown_and_notify(
-      grpc_server *server, grpc_completion_queue *cq, void *tag)
-  void grpc_server_cancel_all_calls(grpc_server *server)
-  void grpc_server_destroy(grpc_server *server)
+      grpc_server *server, grpc_completion_queue *cq, void *tag) nogil
+  void grpc_server_cancel_all_calls(grpc_server *server) nogil
+  void grpc_server_destroy(grpc_server *server) nogil
 
   ctypedef struct grpc_ssl_pem_key_cert_pair:
     const char *private_key
@@ -345,35 +348,36 @@ cdef extern from "grpc/_cython/loader.h":
 
   ctypedef void (*grpc_ssl_roots_override_callback)(char **pem_root_certs)
 
-  void grpc_set_ssl_roots_override_callback(grpc_ssl_roots_override_callback cb)
+  void grpc_set_ssl_roots_override_callback(
+      grpc_ssl_roots_override_callback cb) nogil
 
-  grpc_channel_credentials *grpc_google_default_credentials_create()
+  grpc_channel_credentials *grpc_google_default_credentials_create() nogil
   grpc_channel_credentials *grpc_ssl_credentials_create(
       const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pair,
-      void *reserved)
+      void *reserved) nogil
   grpc_channel_credentials *grpc_composite_channel_credentials_create(
       grpc_channel_credentials *creds1, grpc_call_credentials *creds2,
-      void *reserved)
-  void grpc_channel_credentials_release(grpc_channel_credentials *creds)
+      void *reserved) nogil
+  void grpc_channel_credentials_release(grpc_channel_credentials *creds) nogil
 
   grpc_call_credentials *grpc_composite_call_credentials_create(
       grpc_call_credentials *creds1, grpc_call_credentials *creds2,
-      void *reserved)
+      void *reserved) nogil
   grpc_call_credentials *grpc_google_compute_engine_credentials_create(
-      void *reserved)
+      void *reserved) nogil
   grpc_call_credentials *grpc_service_account_jwt_access_credentials_create(
       const char *json_key,
-      gpr_timespec token_lifetime, void *reserved)
+      gpr_timespec token_lifetime, void *reserved) nogil
   grpc_call_credentials *grpc_google_refresh_token_credentials_create(
-      const char *json_refresh_token, void *reserved)
+      const char *json_refresh_token, void *reserved) nogil
   grpc_call_credentials *grpc_google_iam_credentials_create(
       const char *authorization_token, const char *authority_selector,
-      void *reserved)
-  void grpc_call_credentials_release(grpc_call_credentials *creds)
+      void *reserved) nogil
+  void grpc_call_credentials_release(grpc_call_credentials *creds) nogil
 
   grpc_channel *grpc_secure_channel_create(
       grpc_channel_credentials *creds, const char *target,
-      const grpc_channel_args *args, void *reserved)
+      const grpc_channel_args *args, void *reserved) nogil
 
   ctypedef struct grpc_server_credentials:
     # We don't care about the internals (and in fact don't know them)
@@ -383,13 +387,13 @@ cdef extern from "grpc/_cython/loader.h":
       const char *pem_root_certs,
       grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
       size_t num_key_cert_pairs, int force_client_auth, void *reserved)
-  void grpc_server_credentials_release(grpc_server_credentials *creds)
+  void grpc_server_credentials_release(grpc_server_credentials *creds) nogil
 
   int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr,
-                                        grpc_server_credentials *creds)
+                                        grpc_server_credentials *creds) nogil
 
   grpc_call_error grpc_call_set_credentials(grpc_call *call,
-                                            grpc_call_credentials *creds)
+                                            grpc_call_credentials *creds) nogil
 
   ctypedef struct grpc_auth_context:
     # We don't care about the internals (and in fact don't know them)
@@ -413,4 +417,4 @@ cdef extern from "grpc/_cython/loader.h":
     const char *type
 
   grpc_call_credentials *grpc_metadata_credentials_create_from_plugin(
-      grpc_metadata_credentials_plugin plugin, void *reserved)
+      grpc_metadata_credentials_plugin plugin, void *reserved) nogil
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
index fa4ea99ea9..c2202bdab2 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -107,15 +107,18 @@ cdef class Timespec:
 
   def __cinit__(self, time):
     if time is None:
-      self.c_time = gpr_now(GPR_CLOCK_REALTIME)
+      with nogil:
+        self.c_time = gpr_now(GPR_CLOCK_REALTIME)
       return
     if isinstance(time, int):
       time = float(time)
     if isinstance(time, float):
       if time == float("+inf"):
-        self.c_time = gpr_inf_future(GPR_CLOCK_REALTIME)
+        with nogil:
+          self.c_time = gpr_inf_future(GPR_CLOCK_REALTIME)
       elif time == float("-inf"):
-        self.c_time = gpr_inf_past(GPR_CLOCK_REALTIME)
+        with nogil:
+          self.c_time = gpr_inf_past(GPR_CLOCK_REALTIME)
       else:
         self.c_time.seconds = time
         self.c_time.nanoseconds = (time - float(self.c_time.seconds)) * 1e9
@@ -131,8 +134,10 @@ cdef class Timespec:
     # TODO(atash) ensure that everywhere a Timespec is created that it's
     # converted to GPR_CLOCK_REALTIME then and not every time someone wants to
     # read values off in Python.
-    cdef gpr_timespec real_time = (
-        gpr_convert_clock_type(self.c_time, GPR_CLOCK_REALTIME))
+    cdef gpr_timespec real_time
+    with nogil:
+      real_time = (
+          gpr_convert_clock_type(self.c_time, GPR_CLOCK_REALTIME))
     return real_time.seconds
 
   @property
@@ -158,10 +163,12 @@ cdef class Timespec:
 cdef class CallDetails:
 
   def __cinit__(self):
-    grpc_call_details_init(&self.c_details)
+    with nogil:
+      grpc_call_details_init(&self.c_details)
 
   def __dealloc__(self):
-    grpc_call_details_destroy(&self.c_details)
+    with nogil:
+      grpc_call_details_destroy(&self.c_details)
 
   @property
   def method(self):
@@ -229,10 +236,15 @@ cdef class ByteBuffer:
                       "ByteBuffer, not {}".format(type(data)))
 
     cdef char *c_data = data
-    data_slice = gpr_slice_from_copied_buffer(c_data, len(data))
-    self.c_byte_buffer = grpc_raw_byte_buffer_create(
-        &data_slice, 1)
-    gpr_slice_unref(data_slice)
+    cdef gpr_slice data_slice
+    cdef size_t data_length = len(data)
+    with nogil:
+      data_slice = gpr_slice_from_copied_buffer(c_data, data_length)
+    with nogil:
+      self.c_byte_buffer = grpc_raw_byte_buffer_create(
+          &data_slice, 1)
+    with nogil:
+      gpr_slice_unref(data_slice)
 
   def bytes(self):
     cdef grpc_byte_buffer_reader reader
@@ -240,20 +252,27 @@ cdef class ByteBuffer:
     cdef size_t data_slice_length
     cdef void *data_slice_pointer
     if self.c_byte_buffer != NULL:
-      grpc_byte_buffer_reader_init(&reader, self.c_byte_buffer)
-      result = b""
-      while grpc_byte_buffer_reader_next(&reader, &data_slice):
-        data_slice_pointer = gpr_slice_start_ptr(data_slice)
-        data_slice_length = gpr_slice_length(data_slice)
-        result += (<char *>data_slice_pointer)[:data_slice_length]
-      grpc_byte_buffer_reader_destroy(&reader)
-      return result
+      with nogil:
+        grpc_byte_buffer_reader_init(&reader, self.c_byte_buffer)
+      result = bytearray()
+      with nogil:
+        while grpc_byte_buffer_reader_next(&reader, &data_slice):
+          data_slice_pointer = gpr_slice_start_ptr(data_slice)
+          data_slice_length = gpr_slice_length(data_slice)
+          with gil:
+            result += (<char *>data_slice_pointer)[:data_slice_length]
+      with nogil:
+        grpc_byte_buffer_reader_destroy(&reader)
+      return bytes(result)
     else:
       return None
 
   def __len__(self):
+    cdef size_t result
     if self.c_byte_buffer != NULL:
-      return grpc_byte_buffer_length(self.c_byte_buffer)
+      with nogil:
+        result = grpc_byte_buffer_length(self.c_byte_buffer)
+      return result
     else:
       return 0
 
@@ -262,7 +281,8 @@ cdef class ByteBuffer:
 
   def __dealloc__(self):
     if self.c_byte_buffer != NULL:
-      grpc_byte_buffer_destroy(self.c_byte_buffer)
+      with nogil:
+        grpc_byte_buffer_destroy(self.c_byte_buffer)
 
 
 cdef class SslPemKeyCertPair:
@@ -319,14 +339,15 @@ cdef class ChannelArgs:
       if not isinstance(arg, ChannelArg):
         raise TypeError("expected list of ChannelArg")
     self.c_args.arguments_length = len(self.args)
-    self.c_args.arguments = <grpc_arg *>gpr_malloc(
-        self.c_args.arguments_length*sizeof(grpc_arg)
-    )
+    with nogil:
+      self.c_args.arguments = <grpc_arg *>gpr_malloc(
+          self.c_args.arguments_length*sizeof(grpc_arg))
     for i in range(self.c_args.arguments_length):
       self.c_args.arguments[i] = (<ChannelArg>self.args[i]).c_arg
 
   def __dealloc__(self):
-    gpr_free(self.c_args.arguments)
+    with nogil:
+      gpr_free(self.c_args.arguments)
 
   def __len__(self):
     # self.args is never stale; it's only updated from this file
@@ -407,21 +428,24 @@ cdef class Metadata:
     for metadatum in metadata:
       if not isinstance(metadatum, Metadatum):
         raise TypeError("expected list of Metadatum")
-    grpc_metadata_array_init(&self.c_metadata_array)
+    with nogil:
+      grpc_metadata_array_init(&self.c_metadata_array)
     self.c_metadata_array.count = len(self.metadata)
     self.c_metadata_array.capacity = len(self.metadata)
-    self.c_metadata_array.metadata = <grpc_metadata *>gpr_malloc(
-        self.c_metadata_array.count*sizeof(grpc_metadata)
-    )
+    with nogil:
+      self.c_metadata_array.metadata = <grpc_metadata *>gpr_malloc(
+          self.c_metadata_array.count*sizeof(grpc_metadata)
+      )
     for i in range(self.c_metadata_array.count):
       self.c_metadata_array.metadata[i] = (
           (<Metadatum>self.metadata[i]).c_metadata)
 
   def __dealloc__(self):
     # this frees the allocated memory for the grpc_metadata_array (although
-    # it'd be nice if that were documented somewhere...) TODO(atash): document
-    # this in the C core
-    grpc_metadata_array_destroy(&self.c_metadata_array)
+    # it'd be nice if that were documented somewhere...)
+    # TODO(atash): document this in the C core
+    with nogil:
+      grpc_metadata_array_destroy(&self.c_metadata_array)
 
   def __len__(self):
     return self.c_metadata_array.count
@@ -526,7 +550,8 @@ cdef class Operation:
     # Python. The remaining one(s) are primitive fields filled in by GRPC core.
     # This means that we need to clean up after receive_status_on_client.
     if self.c_op.type == GRPC_OP_RECV_STATUS_ON_CLIENT:
-      gpr_free(self._received_status_details)
+      with nogil:
+        gpr_free(self._received_status_details)
 
 def operation_send_initial_metadata(Metadata metadata):
   cdef Operation op = Operation()
@@ -648,8 +673,8 @@ cdef class Operations:
       if not isinstance(operation, Operation):
         raise TypeError("expected operations to be iterable of Operation")
     self.c_nops = len(self.operations)
-    self.c_ops = <grpc_op *>gpr_malloc(
-        sizeof(grpc_op)*self.c_nops)
+    with nogil:
+      self.c_ops = <grpc_op *>gpr_malloc(sizeof(grpc_op)*self.c_nops)
     for i in range(self.c_nops):
       self.c_ops[i] = (<Operation>(self.operations[i])).c_op
 
@@ -661,7 +686,8 @@ cdef class Operations:
     return self.operations[i]
 
   def __dealloc__(self):
-    gpr_free(self.c_ops)
+    with nogil:
+      gpr_free(self.c_ops)
 
   def __iter__(self):
     return _OperationsIterator(self)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
index 9db49e4d30..a35eb5ea77 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
@@ -39,4 +39,5 @@ cdef class Server:
   cdef list references
   cdef list registered_completion_queues
 
+  cdef _c_shutdown(self, CompletionQueue queue, tag)
   cdef notify_shutdown_complete(self)
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
index 8b65935c3b..8419a59068 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
@@ -41,7 +41,8 @@ cdef class Server:
     if arguments is not None:
       c_arguments = &arguments.c_args
       self.references.append(arguments)
-    self.c_server = grpc_server_create(c_arguments, NULL)
+    with nogil:
+      self.c_server = grpc_server_create(c_arguments, NULL)
     self.is_started = False
     self.is_shutting_down = False
     self.is_shutdown = False
@@ -53,6 +54,7 @@ cdef class Server:
       raise ValueError("server must be started and not shutting down")
     if server_queue not in self.registered_completion_queues:
       raise ValueError("server_queue must be a registered completion queue")
+    cdef grpc_call_error result
     cdef OperationTag operation_tag = OperationTag(tag)
     operation_tag.operation_call = Call()
     operation_tag.request_call_details = CallDetails()
@@ -61,19 +63,22 @@ cdef class Server:
     operation_tag.is_new_request = True
     operation_tag.batch_operations = Operations([])
     cpython.Py_INCREF(operation_tag)
-    return grpc_server_request_call(
-        self.c_server, &operation_tag.operation_call.c_call,
-        &operation_tag.request_call_details.c_details,
-        &operation_tag.request_metadata.c_metadata_array,
-        call_queue.c_completion_queue, server_queue.c_completion_queue,
-        <cpython.PyObject *>operation_tag)
+    with nogil:
+      result = grpc_server_request_call(
+          self.c_server, &operation_tag.operation_call.c_call,
+          &operation_tag.request_call_details.c_details,
+          &operation_tag.request_metadata.c_metadata_array,
+          call_queue.c_completion_queue, server_queue.c_completion_queue,
+          <cpython.PyObject *>operation_tag)
+    return result
 
   def register_completion_queue(
       self, CompletionQueue queue not None):
     if self.is_started:
       raise ValueError("cannot register completion queues after start")
-    grpc_server_register_completion_queue(
-        self.c_server, queue.c_completion_queue, NULL)
+    with nogil:
+      grpc_server_register_completion_queue(
+          self.c_server, queue.c_completion_queue, NULL)
     self.registered_completion_queues.append(queue)
 
   def start(self):
@@ -82,7 +87,8 @@ cdef class Server:
     self.backup_shutdown_queue = CompletionQueue()
     self.register_completion_queue(self.backup_shutdown_queue)
     self.is_started = True
-    grpc_server_start(self.c_server)
+    with nogil:
+      grpc_server_start(self.c_server)
     # Ensure the core has gotten a chance to do the start-up work
     self.backup_shutdown_queue.pluck(None, Timespec(None))
 
@@ -95,12 +101,28 @@ cdef class Server:
     else:
       raise TypeError("expected address to be a str or bytes")
     self.references.append(address)
+    cdef int result
+    cdef char *address_c_string = address
     if server_credentials is not None:
       self.references.append(server_credentials)
-      return grpc_server_add_secure_http2_port(
-          self.c_server, address, server_credentials.c_credentials)
+      with nogil:
+        result = grpc_server_add_secure_http2_port(
+            self.c_server, address_c_string, server_credentials.c_credentials)
     else:
-      return grpc_server_add_insecure_http2_port(self.c_server, address)
+      with nogil:
+        result = grpc_server_add_insecure_http2_port(self.c_server,
+                                                     address_c_string)
+    return result
+
+  cdef _c_shutdown(self, CompletionQueue queue, tag):
+    self.is_shutting_down = True
+    operation_tag = OperationTag(tag)
+    operation_tag.shutting_down_server = self
+    cpython.Py_INCREF(operation_tag)
+    with nogil:
+      grpc_server_shutdown_and_notify(
+          self.c_server, queue.c_completion_queue,
+          <cpython.PyObject *>operation_tag)
 
   def shutdown(self, CompletionQueue queue not None, tag):
     cdef OperationTag operation_tag
@@ -113,14 +135,7 @@ cdef class Server:
     elif queue not in self.registered_completion_queues:
       raise ValueError("expected registered completion queue")
     else:
-      self.is_shutting_down = True
-      operation_tag = OperationTag(tag)
-      operation_tag.shutting_down_server = self
-      operation_tag.references.extend([self, queue])
-      cpython.Py_INCREF(operation_tag)
-      grpc_server_shutdown_and_notify(
-          self.c_server, queue.c_completion_queue,
-          <cpython.PyObject *>operation_tag)
+      self._c_shutdown(queue, tag)
 
   cdef notify_shutdown_complete(self):
     # called only by a completion queue on receiving our shutdown operation tag
@@ -132,7 +147,8 @@ cdef class Server:
     elif self.is_shutdown:
       return
     else:
-      grpc_server_cancel_all_calls(self.c_server)
+      with nogil:
+        grpc_server_cancel_all_calls(self.c_server)
 
   def __dealloc__(self):
     if self.c_server != NULL:
@@ -142,7 +158,7 @@ cdef class Server:
         pass
       elif not self.is_shutting_down:
         # the user didn't call shutdown - use our backup queue
-        self.shutdown(self.backup_shutdown_queue, None)
+        self._c_shutdown(self.backup_shutdown_queue, None)
         # and now we wait
         while not self.is_shutdown:
           self.backup_shutdown_queue.poll()
@@ -151,5 +167,6 @@ cdef class Server:
         # much but repeatedly release the GIL and wait
         while not self.is_shutdown:
           time.sleep(0)
-      grpc_server_destroy(self.c_server)
+      with nogil:
+        grpc_server_destroy(self.c_server)
 
diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pxd b/src/python/grpcio/grpc/_cython/cygrpc.pxd
index 61b0fa788f..9779534e38 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pxd
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pxd
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pyx b/src/python/grpcio/grpc/_cython/cygrpc.pyx
index 30cc7a132b..8823ea5ef5 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pyx
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pyx
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -57,14 +57,17 @@ cdef class _ModuleState:
           'grpc._cython', '_windows/grpc_c.64.python')
       if not pygrpc_load_core(filename):
         raise ImportError('failed to load core gRPC library')
-    grpc_init()
+    with nogil:
+      grpc_init()
     self.is_loaded = True
-    grpc_set_ssl_roots_override_callback(
-        <grpc_ssl_roots_override_callback>ssl_roots_override_callback)
+    with nogil:
+      grpc_set_ssl_roots_override_callback(
+          <grpc_ssl_roots_override_callback>ssl_roots_override_callback)
 
   def __dealloc__(self):
     if self.is_loaded:
-      grpc_shutdown()
+      with nogil:
+        grpc_shutdown()
 
 _module_state = _ModuleState()
 
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.c b/src/python/grpcio/grpc/_cython/imports.generated.c
index 4b1860ce8c..8bd6ae6372 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.c
+++ b/src/python/grpcio/grpc/_cython/imports.generated.c
@@ -220,6 +220,7 @@ gpr_event_get_type gpr_event_get_import;
 gpr_event_wait_type gpr_event_wait_import;
 gpr_ref_init_type gpr_ref_init_import;
 gpr_ref_type gpr_ref_import;
+gpr_ref_non_zero_type gpr_ref_non_zero_import;
 gpr_refn_type gpr_refn_import;
 gpr_unref_type gpr_unref_import;
 gpr_stats_init_type gpr_stats_init_import;
@@ -485,6 +486,7 @@ void pygrpc_load_imports(HMODULE library) {
   gpr_event_wait_import = (gpr_event_wait_type) GetProcAddress(library, "gpr_event_wait");
   gpr_ref_init_import = (gpr_ref_init_type) GetProcAddress(library, "gpr_ref_init");
   gpr_ref_import = (gpr_ref_type) GetProcAddress(library, "gpr_ref");
+  gpr_ref_non_zero_import = (gpr_ref_non_zero_type) GetProcAddress(library, "gpr_ref_non_zero");
   gpr_refn_import = (gpr_refn_type) GetProcAddress(library, "gpr_refn");
   gpr_unref_import = (gpr_unref_type) GetProcAddress(library, "gpr_unref");
   gpr_stats_init_import = (gpr_stats_init_type) GetProcAddress(library, "gpr_stats_init");
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.h b/src/python/grpcio/grpc/_cython/imports.generated.h
index ca30742abc..272e85b485 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.h
+++ b/src/python/grpcio/grpc/_cython/imports.generated.h
@@ -91,10 +91,10 @@ extern census_context_next_tag_type census_context_next_tag_import;
 typedef int(*census_context_get_tag_type)(const census_context *context, const char *key, census_tag *tag);
 extern census_context_get_tag_type census_context_get_tag_import;
 #define census_context_get_tag census_context_get_tag_import
-typedef char *(*census_context_encode_type)(const census_context *context, char *buffer, size_t buf_size, size_t *print_buf_size, size_t *bin_buf_size);
+typedef size_t(*census_context_encode_type)(const census_context *context, char *buffer, size_t buf_size);
 extern census_context_encode_type census_context_encode_import;
 #define census_context_encode census_context_encode_import
-typedef census_context *(*census_context_decode_type)(const char *buffer, size_t size, const char *bin_buffer, size_t bin_size);
+typedef census_context *(*census_context_decode_type)(const char *buffer, size_t size);
 extern census_context_decode_type census_context_decode_import;
 #define census_context_decode census_context_decode_import
 typedef int(*census_trace_mask_type)(const census_context *context);
@@ -166,7 +166,7 @@ extern grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_im
 typedef int(*grpc_compression_algorithm_name_type)(grpc_compression_algorithm algorithm, char **name);
 extern grpc_compression_algorithm_name_type grpc_compression_algorithm_name_import;
 #define grpc_compression_algorithm_name grpc_compression_algorithm_name_import
-typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level);
+typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level, uint32_t accepted_encodings);
 extern grpc_compression_algorithm_for_level_type grpc_compression_algorithm_for_level_import;
 #define grpc_compression_algorithm_for_level grpc_compression_algorithm_for_level_import
 typedef void(*grpc_compression_options_init_type)(grpc_compression_options *opts);
@@ -283,7 +283,7 @@ extern grpc_call_destroy_type grpc_call_destroy_import;
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
@@ -610,6 +610,9 @@ extern gpr_ref_init_type gpr_ref_init_import;
 typedef void(*gpr_ref_type)(gpr_refcount *r);
 extern gpr_ref_type gpr_ref_import;
 #define gpr_ref gpr_ref_import
+typedef void(*gpr_ref_non_zero_type)(gpr_refcount *r);
+extern gpr_ref_non_zero_type gpr_ref_non_zero_import;
+#define gpr_ref_non_zero gpr_ref_non_zero_import
 typedef void(*gpr_refn_type)(gpr_refcount *r, int n);
 extern gpr_refn_type gpr_refn_import;
 #define gpr_refn gpr_refn_import
diff --git a/src/python/grpcio/grpc/_links/invocation.py b/src/python/grpcio/grpc/_links/invocation.py
index 5ca0a0ee60..003653e1c8 100644
--- a/src/python/grpcio/grpc/_links/invocation.py
+++ b/src/python/grpcio/grpc/_links/invocation.py
@@ -35,6 +35,8 @@ import logging
 import threading
 import time
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import _constants
 from grpc.beta import interfaces as beta_interfaces
@@ -372,12 +374,11 @@ class _Kernel(object):
     pool.shutdown(wait=True)
 
 
-class InvocationLink(links.Link, activated.Activated):
+class InvocationLink(six.with_metaclass(abc.ABCMeta, links.Link, activated.Activated)):
   """A links.Link for use on the invocation-side of a gRPC connection.
 
   Implementations of this interface are only valid for use when activated.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _InvocationLink(InvocationLink):
diff --git a/src/python/grpcio/grpc/_links/service.py b/src/python/grpcio/grpc/_links/service.py
index 01edee6896..11310e2240 100644
--- a/src/python/grpcio/grpc/_links/service.py
+++ b/src/python/grpcio/grpc/_links/service.py
@@ -177,7 +177,7 @@ class _Kernel(object):
     call = service_acceptance.call
     call.accept(self._completion_queue, call)
     try:
-      group, method = service_acceptance.method.split('/')[1:3]
+      group, method = service_acceptance.method.split(b'/')[1:3]
     except ValueError:
       logging.info('Illegal path "%s"!', service_acceptance.method)
       return
diff --git a/src/python/grpcio/grpc/beta/_server.py b/src/python/grpcio/grpc/beta/_server.py
index 2b520cc7e5..eb0aadb42f 100644
--- a/src/python/grpcio/grpc/beta/_server.py
+++ b/src/python/grpcio/grpc/beta/_server.py
@@ -62,7 +62,7 @@ class _GRPCServicer(base.Servicer):
       if e.code is None and e.details is None:
         raise base.NoSuchMethodError(
             interfaces.StatusCode.UNIMPLEMENTED,
-            b'Method "%s" of service "%s" not implemented!' % (method, group))
+            'Method "%s" of service "%s" not implemented!' % (method, group))
       else:
         raise
 
diff --git a/src/python/grpcio/grpc/beta/implementations.py b/src/python/grpcio/grpc/beta/implementations.py
index a0ca330d2c..742e94dc65 100644
--- a/src/python/grpcio/grpc/beta/implementations.py
+++ b/src/python/grpcio/grpc/beta/implementations.py
@@ -61,15 +61,16 @@ class ChannelCredentials(object):
     self._low_credentials = low_credentials
 
 
-def ssl_channel_credentials(root_certificates, private_key, certificate_chain):
+def ssl_channel_credentials(root_certificates=None, private_key=None,
+                            certificate_chain=None):
   """Creates a ChannelCredentials for use with an SSL-enabled Channel.
 
   Args:
-    root_certificates: The PEM-encoded root certificates or None to ask for
+    root_certificates: The PEM-encoded root certificates or unset to ask for
       them to be retrieved from a default location.
-    private_key: The PEM-encoded private key to use or None if no private key
+    private_key: The PEM-encoded private key to use or unset if no private key
       should be used.
-    certificate_chain: The PEM-encoded certificate chain to use or None if no
+    certificate_chain: The PEM-encoded certificate chain to use or unset if no
       certificate chain should be used.
 
   Returns:
diff --git a/src/python/grpcio/grpc/beta/interfaces.py b/src/python/grpcio/grpc/beta/interfaces.py
index 0663119163..33ca45ac5b 100644
--- a/src/python/grpcio/grpc/beta/interfaces.py
+++ b/src/python/grpcio/grpc/beta/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 from grpc._adapter import _types
 
 
@@ -105,19 +107,17 @@ def grpc_call_options(disable_compression=False, credentials=None):
   return GRPCCallOptions(disable_compression, None, credentials)
 
 
-class GRPCAuthMetadataContext(object):
+class GRPCAuthMetadataContext(six.with_metaclass(abc.ABCMeta)):
   """Provides information to call credentials metadata plugins.
 
   Attributes:
     service_url: A string URL of the service being called into.
     method_name: A string of the fully qualified method name being called.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class GRPCAuthMetadataPluginCallback(object):
+class GRPCAuthMetadataPluginCallback(six.with_metaclass(abc.ABCMeta)):
   """Callback object received by a metadata plugin."""
-  __metaclass__ = abc.ABCMeta
 
   def __call__(self, metadata, error):
     """Inform the gRPC runtime of the metadata to construct a CallCredentials.
@@ -130,10 +130,9 @@ class GRPCAuthMetadataPluginCallback(object):
     raise NotImplementedError()
 
 
-class GRPCAuthMetadataPlugin(object):
+class GRPCAuthMetadataPlugin(six.with_metaclass(abc.ABCMeta)):
   """
   """
-  __metaclass__ = abc.ABCMeta
 
   def __call__(self, context, callback):
     """Invoke the plugin.
@@ -149,9 +148,8 @@ class GRPCAuthMetadataPlugin(object):
     raise NotImplementedError()
 
 
-class GRPCServicerContext(object):
+class GRPCServicerContext(six.with_metaclass(abc.ABCMeta)):
   """Exposes gRPC-specific options and behaviors to code servicing RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def peer(self):
@@ -168,9 +166,8 @@ class GRPCServicerContext(object):
     raise NotImplementedError()
 
 
-class GRPCInvocationContext(object):
+class GRPCInvocationContext(six.with_metaclass(abc.ABCMeta)):
   """Exposes gRPC-specific options and behaviors to code invoking RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def disable_next_request_compression(self):
@@ -178,9 +175,8 @@ class GRPCInvocationContext(object):
     raise NotImplementedError()
 
 
-class Server(object):
+class Server(six.with_metaclass(abc.ABCMeta)):
   """Services RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_insecure_port(self, address):
diff --git a/src/python/grpcio/grpc/framework/alpha/_face_utilities.py b/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
index fb0cfe426d..15c47d5c92 100644
--- a/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
+++ b/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
@@ -30,6 +30,8 @@
 import abc
 import collections
 
+import six
+
 # face_interfaces is referenced from specification in this module.
 from grpc.framework.common import cardinality
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
@@ -45,7 +47,7 @@ def _qualified_name(service_name, method_name):
 # TODO(nathaniel): This structure is getting bloated; it could be shrunk if
 # implementations._Stub used a generic rather than a dynamic underlying
 # face-layer stub.
-class InvocationBreakdown(object):
+class InvocationBreakdown(six.with_metaclass(abc.ABCMeta)):
   """An intermediate representation of invocation-side views of RPC methods.
 
   Attributes:
@@ -61,7 +63,6 @@ class InvocationBreakdown(object):
       to callable behavior to be used deserializing response values for the
       RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _EasyInvocationBreakdown(
@@ -73,7 +74,7 @@ class _EasyInvocationBreakdown(
   pass
 
 
-class ServiceBreakdown(object):
+class ServiceBreakdown(six.with_metaclass(abc.ABCMeta)):
   """An intermediate representation of service-side views of RPC methods.
 
   Attributes:
@@ -84,7 +85,6 @@ class ServiceBreakdown(object):
     response_serializers: A dictionary from service-qualified RPC method name
       to callable behavior to be used serializing response values for the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _EasyServiceBreakdown(
@@ -111,7 +111,7 @@ def break_down_invocation(service_name, method_descriptions):
   face_cardinalities = {}
   request_serializers = {}
   response_deserializers = {}
-  for name, method_description in method_descriptions.iteritems():
+  for name, method_description in six.iteritems(method_descriptions):
     qualified_name = _qualified_name(service_name, name)
     method_cardinality = method_description.cardinality()
     cardinalities[name] = method_description.cardinality()
@@ -139,7 +139,7 @@ def break_down_service(service_name, method_descriptions):
   implementations = {}
   request_deserializers = {}
   response_serializers = {}
-  for name, method_description in method_descriptions.iteritems():
+  for name, method_description in six.iteritems(method_descriptions):
     qualified_name = _qualified_name(service_name, name)
     method_cardinality = method_description.cardinality()
     if method_cardinality is interfaces.Cardinality.UNARY_UNARY:
diff --git a/src/python/grpcio/grpc/framework/alpha/_reexport.py b/src/python/grpcio/grpc/framework/alpha/_reexport.py
index 198cb95ad5..e027077a77 100644
--- a/src/python/grpcio/grpc/framework/alpha/_reexport.py
+++ b/src/python/grpcio/grpc/framework/alpha/_reexport.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.face import exceptions as face_exceptions
 from grpc.framework.face import interfaces as face_interfaces
@@ -181,7 +183,7 @@ def common_cardinality(early_adopter_cardinality):
 
 def common_cardinalities(early_adopter_cardinalities):
   common_cardinalities = {}
-  for name, early_adopter_cardinality in early_adopter_cardinalities.iteritems():
+  for name, early_adopter_cardinality in six.iteritems(early_adopter_cardinalities):
     common_cardinalities[name] = _EARLY_ADOPTER_CARDINALITY_TO_COMMON_CARDINALITY[
         early_adopter_cardinality]
   return common_cardinalities
diff --git a/src/python/grpcio/grpc/framework/alpha/exceptions.py b/src/python/grpcio/grpc/framework/alpha/exceptions.py
index 5234d3b91c..09359c5e94 100644
--- a/src/python/grpcio/grpc/framework/alpha/exceptions.py
+++ b/src/python/grpcio/grpc/framework/alpha/exceptions.py
@@ -31,13 +31,12 @@
 
 Only GRPC should instantiate and raise these exceptions.
 """
-
 import abc
 
+import six
 
-class RpcError(Exception):
+class RpcError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for all exceptions raised by GRPC."""
-  __metaclass__ = abc.ABCMeta
 
 
 class CancellationError(RpcError):
diff --git a/src/python/grpcio/grpc/framework/alpha/interfaces.py b/src/python/grpcio/grpc/framework/alpha/interfaces.py
index 8380567c97..48f144f614 100644
--- a/src/python/grpcio/grpc/framework/alpha/interfaces.py
+++ b/src/python/grpcio/grpc/framework/alpha/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 # exceptions is referenced from specification in this module.
 from grpc.framework.alpha import exceptions  # pylint: disable=unused-import
 from grpc.framework.foundation import activated
@@ -59,15 +61,17 @@ class Abortion(enum.Enum):
   SERVICER_FAILURE = 'servicer failure'
 
 
-class CancellableIterator(object):
+class CancellableIterator(six.with_metaclass(abc.ABCMeta)):
   """Implements the Iterator protocol and affords a cancel method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __iter__(self):
     """Returns the self object in accordance with the Iterator protocol."""
     raise NotImplementedError()
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self):
     """Returns a value or raises StopIteration per the Iterator protocol."""
@@ -79,9 +83,8 @@ class CancellableIterator(object):
     raise NotImplementedError()
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -108,7 +111,7 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class UnaryUnarySyncAsync(object):
+class UnaryUnarySyncAsync(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC synchronously or asynchronously.
   Values implementing this interface are directly callable and present an
   "async" method. Both calls take a request value and a numeric timeout.
@@ -117,7 +120,6 @@ class UnaryUnarySyncAsync(object):
   of a value of this type invokes its associated RPC and immediately returns a
   future.Future bound to the asynchronous execution of the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -147,7 +149,7 @@ class UnaryUnarySyncAsync(object):
     raise NotImplementedError()
 
 
-class StreamUnarySyncAsync(object):
+class StreamUnarySyncAsync(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC synchronously or asynchronously.
   Values implementing this interface are directly callable and present an
   "async" method. Both calls take an iterator of request values and a numeric
@@ -156,7 +158,6 @@ class StreamUnarySyncAsync(object):
   of a value of this type invokes its associated RPC and immediately returns a
   future.Future bound to the asynchronous execution of the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -191,9 +192,8 @@ class StreamUnarySyncAsync(object):
     raise NotImplementedError()
 
 
-class RpcMethodDescription(object):
+class RpcMethodDescription(six.with_metaclass(abc.ABCMeta)):
   """A type for the common aspects of RPC method descriptions."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cardinality(self):
@@ -207,9 +207,8 @@ class RpcMethodDescription(object):
     raise NotImplementedError()
 
 
-class RpcMethodInvocationDescription(RpcMethodDescription):
+class RpcMethodInvocationDescription(six.with_metaclass(abc.ABCMeta, RpcMethodDescription)):
   """Invocation-side description of an RPC method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def serialize_request(self, request):
@@ -240,9 +239,8 @@ class RpcMethodInvocationDescription(RpcMethodDescription):
     raise NotImplementedError()
 
 
-class RpcMethodServiceDescription(RpcMethodDescription):
+class RpcMethodServiceDescription(six.with_metaclass(abc.ABCMeta, RpcMethodDescription)):
   """Service-side description of an RPC method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def deserialize_request(self, serialized_request):
@@ -345,7 +343,7 @@ class RpcMethodServiceDescription(RpcMethodDescription):
     raise NotImplementedError()
 
 
-class Stub(object):
+class Stub(six.with_metaclass(abc.ABCMeta)):
   """A stub with callable RPC method names for attributes.
 
   Instances of this type are context managers and only afford RPC invocation
@@ -369,12 +367,10 @@ class Stub(object):
   exceptions.RpcError, exceptions.CancellationError,
   and exceptions.ExpirationError.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class Server(activated.Activated):
+class Server(six.with_metaclass(abc.ABCMeta, activated.Activated)):
   """A GRPC Server."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def port(self):
diff --git a/src/python/grpcio/grpc/framework/base/_ingestion.py b/src/python/grpcio/grpc/framework/base/_ingestion.py
index 06d5b92f0b..c9b10acb77 100644
--- a/src/python/grpcio/grpc/framework/base/_ingestion.py
+++ b/src/python/grpcio/grpc/framework/base/_ingestion.py
@@ -32,6 +32,8 @@
 import abc
 import collections
 
+import six
+
 from grpc.framework.base import _constants
 from grpc.framework.base import _interfaces
 from grpc.framework.base import exceptions
@@ -72,9 +74,8 @@ class _EmptyConsumer(stream.Consumer):
     """See stream.Consumer.consume_and_terminate for specification."""
 
 
-class _ConsumerCreator(object):
+class _ConsumerCreator(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different consumer-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def create_consumer(self, requirement):
diff --git a/src/python/grpcio/grpc/framework/base/_interfaces.py b/src/python/grpcio/grpc/framework/base/_interfaces.py
index d88cf76590..6bb9837c4a 100644
--- a/src/python/grpcio/grpc/framework/base/_interfaces.py
+++ b/src/python/grpcio/grpc/framework/base/_interfaces.py
@@ -31,14 +31,15 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.base import interfaces  # pylint: disable=unused-import
 from grpc.framework.foundation import stream
 
 
-class TerminationManager(object):
+class TerminationManager(six.with_metaclass(abc.ABCMeta)):
   """An object responsible for handling the termination of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
@@ -91,9 +92,8 @@ class TerminationManager(object):
     raise NotImplementedError()
 
 
-class TransmissionManager(object):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for transmitting to the other end of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def inmit(self, emission, complete):
@@ -117,9 +117,8 @@ class TransmissionManager(object):
     raise NotImplementedError()
 
 
-class EmissionManager(stream.Consumer):
+class EmissionManager(six.with_metaclass(abc.ABCMeta, stream.Consumer)):
   """A manager of values emitted by customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_ingestion_manager_and_expiration_manager(
@@ -166,9 +165,8 @@ class EmissionManager(stream.Consumer):
     raise NotImplementedError()
 
 
-class IngestionManager(stream.Consumer):
+class IngestionManager(six.with_metaclass(abc.ABCMeta, stream.Consumer)):
   """A manager responsible for executing customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
@@ -214,9 +212,8 @@ class IngestionManager(stream.Consumer):
     raise NotImplementedError()
 
 
-class ExpirationManager(object):
+class ExpirationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for aborting the operation if it runs out of time."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def change_timeout(self, timeout):
@@ -246,9 +243,8 @@ class ExpirationManager(object):
     raise NotImplementedError()
 
 
-class ReceptionManager(object):
+class ReceptionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for receiving tickets from the other end."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def receive_ticket(self, ticket):
@@ -261,9 +257,8 @@ class ReceptionManager(object):
     raise NotImplementedError()
 
 
-class CancellationManager(object):
+class CancellationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager of operation cancellation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
diff --git a/src/python/grpcio/grpc/framework/base/_reception.py b/src/python/grpcio/grpc/framework/base/_reception.py
index dd428964f1..a59c5165f9 100644
--- a/src/python/grpcio/grpc/framework/base/_reception.py
+++ b/src/python/grpcio/grpc/framework/base/_reception.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.base import interfaces
 from grpc.framework.base import _interfaces
 
@@ -40,9 +42,8 @@ _INITIAL_FRONT_TO_BACK_TICKET_KINDS = (
 )
 
 
-class _Receiver(object):
+class _Receiver(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different ticket-handling behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def abort_if_abortive(self, ticket):
diff --git a/src/python/grpcio/grpc/framework/base/_transmission.py b/src/python/grpcio/grpc/framework/base/_transmission.py
index 6845129234..e2a25626f1 100644
--- a/src/python/grpcio/grpc/framework/base/_transmission.py
+++ b/src/python/grpcio/grpc/framework/base/_transmission.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.base import _constants
 from grpc.framework.base import _interfaces
 from grpc.framework.base import interfaces
@@ -77,9 +79,8 @@ _ABORTION_OUTCOME_TO_BACK_TO_FRONT_TICKET_KIND = {
 }
 
 
-class _Ticketizer(object):
+class _Ticketizer(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different ticket-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def ticketize(self, operation_id, sequence_number, payload, complete):
@@ -187,9 +188,8 @@ class _BackTicketizer(_Ticketizer):
           operation_id, sequence_number, kind, None)
 
 
-class TransmissionManager(_interfaces.TransmissionManager):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta, _interfaces.TransmissionManager)):
   """A _interfaces.TransmissionManager on which other managers may be set."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_ingestion_and_expiration_managers(
diff --git a/src/python/grpcio/grpc/framework/base/interfaces.py b/src/python/grpcio/grpc/framework/base/interfaces.py
index e22c10d975..995b51cd5b 100644
--- a/src/python/grpcio/grpc/framework/base/interfaces.py
+++ b/src/python/grpcio/grpc/framework/base/interfaces.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 # stream is referenced from specification in this module.
 from grpc.framework.foundation import stream  # pylint: disable=unused-import
 
@@ -50,13 +52,12 @@ class Outcome(enum.Enum):
   SERVICED_FAILURE = 'serviced failure'
 
 
-class OperationContext(object):
+class OperationContext(six.with_metaclass(abc.ABCMeta)):
   """Provides operation-related information and action.
 
   Attributes:
     trace_id: A uuid.UUID identifying a particular set of related operations.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -93,9 +94,8 @@ class OperationContext(object):
     raise NotImplementedError()
 
 
-class Servicer(object):
+class Servicer(six.with_metaclass(abc.ABCMeta)):
   """Interface for service implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, name, context, output_consumer):
@@ -120,7 +120,7 @@ class Servicer(object):
     raise NotImplementedError()
 
 
-class Operation(object):
+class Operation(six.with_metaclass(abc.ABCMeta)):
   """Representation of an in-progress operation.
 
   Attributes:
@@ -129,7 +129,6 @@ class Operation(object):
     context: An OperationContext affording information and action about the
       operation.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
@@ -137,9 +136,8 @@ class Operation(object):
     raise NotImplementedError()
 
 
-class ServicedIngestor(object):
+class ServicedIngestor(six.with_metaclass(abc.ABCMeta)):
   """Responsible for accepting the result of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def consumer(self, operation_context):
@@ -159,7 +157,7 @@ class ServicedIngestor(object):
     raise NotImplementedError()
 
 
-class ServicedSubscription(object):
+class ServicedSubscription(six.with_metaclass(abc.ABCMeta)):
   """A sum type representing a serviced's interest in an operation.
 
   Attributes:
@@ -167,7 +165,6 @@ class ServicedSubscription(object):
     ingestor: A ServicedIngestor. Must be present if kind is Kind.FULL. Must
       be None if kind is Kind.TERMINATION_ONLY or Kind.NONE.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
@@ -178,9 +175,8 @@ class ServicedSubscription(object):
     NONE = 'none'
 
 
-class End(object):
+class End(six.with_metaclass(abc.ABCMeta)):
   """Common type for entry-point objects on both sides of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def operation_stats(self):
@@ -202,9 +198,8 @@ class End(object):
     raise NotImplementedError()
 
 
-class Front(End):
+class Front(six.with_metaclass(abc.ABCMeta, End)):
   """Clientish objects that afford the invocation of operations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def operate(
@@ -228,9 +223,8 @@ class Front(End):
     raise NotImplementedError()
 
 
-class Back(End):
+class Back(six.with_metaclass(abc.ABCMeta, End)):
   """Serverish objects that perform the work of operations."""
-  __metaclass__ = abc.ABCMeta
 
 
 class FrontToBackTicket(
@@ -315,9 +309,8 @@ class BackToFrontTicket(
     TRANSMISSION_FAILURE = 'transmission failure'
 
 
-class ForeLink(object):
+class ForeLink(six.with_metaclass(abc.ABCMeta)):
   """Accepts back-to-front tickets and emits front-to-back tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_back_to_front_ticket(self, ticket):
@@ -334,9 +327,8 @@ class ForeLink(object):
     raise NotImplementedError()
 
 
-class RearLink(object):
+class RearLink(six.with_metaclass(abc.ABCMeta)):
   """Accepts front-to-back tickets and emits back-to-front tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_front_to_back_ticket(self, ticket):
@@ -353,11 +345,9 @@ class RearLink(object):
     raise NotImplementedError()
 
 
-class FrontLink(Front, ForeLink):
+class FrontLink(six.with_metaclass(abc.ABCMeta, Front, ForeLink)):
   """Clientish objects that operate by sending and receiving tickets."""
-  __metaclass__ = abc.ABCMeta
 
 
-class BackLink(Back, RearLink):
+class BackLink(six.with_metaclass(abc.ABCMeta, Back, RearLink)):
   """Serverish objects that operate by sending and receiving tickets."""
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/core/_end.py b/src/python/grpcio/grpc/framework/core/_end.py
index 9c615672aa..009d27c915 100644
--- a/src/python/grpcio/grpc/framework/core/_end.py
+++ b/src/python/grpcio/grpc/framework/core/_end.py
@@ -33,6 +33,8 @@ import abc
 import threading
 import uuid
 
+import six
+
 from grpc.framework.core import _operation
 from grpc.framework.core import _utilities
 from grpc.framework.foundation import callable_util
@@ -45,7 +47,7 @@ from grpc.framework.interfaces.links import utilities
 _IDLE_ACTION_EXCEPTION_LOG_MESSAGE = 'Exception calling idle action!'
 
 
-class End(base.End, links.Link):
+class End(six.with_metaclass(abc.ABCMeta, base.End, links.Link)):
   """A bridge between base.End and links.Link.
 
   Implementations of this interface translate arriving tickets into
@@ -53,7 +55,6 @@ class End(base.End, links.Link):
   translate calls from application objects implementing base interfaces
   into tickets sent to a joined link.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _Cycle(object):
diff --git a/src/python/grpcio/grpc/framework/core/_ingestion.py b/src/python/grpcio/grpc/framework/core/_ingestion.py
index 4129a8ce43..f2767c981b 100644
--- a/src/python/grpcio/grpc/framework/core/_ingestion.py
+++ b/src/python/grpcio/grpc/framework/core/_ingestion.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 from grpc.framework.core import _constants
 from grpc.framework.core import _interfaces
 from grpc.framework.core import _utilities
@@ -70,9 +72,8 @@ class _SubscriptionCreation(
     ABANDONED = 'abandoned'
 
 
-class _SubscriptionCreator(object):
+class _SubscriptionCreator(six.with_metaclass(abc.ABCMeta)):
   """Common specification of subscription-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def create(self, group, method):
diff --git a/src/python/grpcio/grpc/framework/core/_interfaces.py b/src/python/grpcio/grpc/framework/core/_interfaces.py
index ffa686b2b7..63ac82f80e 100644
--- a/src/python/grpcio/grpc/framework/core/_interfaces.py
+++ b/src/python/grpcio/grpc/framework/core/_interfaces.py
@@ -31,17 +31,18 @@
 
 import abc
 
+import six
+
 from grpc.framework.interfaces.base import base
 
 
-class TerminationManager(object):
+class TerminationManager(six.with_metaclass(abc.ABCMeta)):
   """An object responsible for handling the termination of an operation.
 
   Attributes:
     outcome: None if the operation is active or a base.Outcome value if it has
       terminated.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_callback(self, callback):
@@ -105,9 +106,8 @@ class TerminationManager(object):
     raise NotImplementedError()
 
 
-class TransmissionManager(object):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for transmitting to the other end of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def kick_off(
@@ -171,9 +171,8 @@ class TransmissionManager(object):
     raise NotImplementedError()
 
 
-class ExpirationManager(object):
+class ExpirationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for aborting the operation if it runs out of time."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def change_timeout(self, timeout):
@@ -203,9 +202,8 @@ class ExpirationManager(object):
     raise NotImplementedError()
 
 
-class ProtocolManager(object):
+class ProtocolManager(six.with_metaclass(abc.ABCMeta)):
   """A manager of protocol-specific values passing through an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_protocol_receiver(self, protocol_receiver):
@@ -228,9 +226,8 @@ class ProtocolManager(object):
     raise NotImplementedError()
 
 
-class EmissionManager(base.Operator):
+class EmissionManager(six.with_metaclass(abc.ABCMeta, base.Operator)):
   """A manager of values emitted by customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def advance(
@@ -254,14 +251,13 @@ class EmissionManager(base.Operator):
     raise NotImplementedError()
 
 
-class IngestionManager(object):
+class IngestionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for executing customer code.
 
   This name of this manager comes from its responsibility to pass successive
   values from the other side of the operation into the code of the local
   customer.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_group_and_method(self, group, method):
@@ -294,9 +290,8 @@ class IngestionManager(object):
     raise NotImplementedError()
 
 
-class ReceptionManager(object):
+class ReceptionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for receiving tickets from the other end."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def receive_ticket(self, ticket):
@@ -308,7 +303,7 @@ class ReceptionManager(object):
     raise NotImplementedError()
 
 
-class Operation(object):
+class Operation(six.with_metaclass(abc.ABCMeta)):
   """An ongoing operation.
 
   Attributes:
@@ -316,7 +311,6 @@ class Operation(object):
     operator: A base.Operator object for the operation for use by the customer
       of the operation.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def handle_ticket(self, ticket):
diff --git a/src/python/grpcio/grpc/framework/core/_termination.py b/src/python/grpcio/grpc/framework/core/_termination.py
index 364158b2b8..fff3a3fc14 100644
--- a/src/python/grpcio/grpc/framework/core/_termination.py
+++ b/src/python/grpcio/grpc/framework/core/_termination.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.core import _constants
 from grpc.framework.core import _interfaces
 from grpc.framework.core import _utilities
@@ -50,9 +52,8 @@ def _service_completion_predicate(
   return transmission_complete and ingestion_complete
 
 
-class TerminationManager(_interfaces.TerminationManager):
+class TerminationManager(six.with_metaclass(abc.ABCMeta, _interfaces.TerminationManager)):
   """A _interfaces.TransmissionManager on which another manager may be set."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
diff --git a/src/python/grpcio/grpc/framework/crust/_control.py b/src/python/grpcio/grpc/framework/crust/_control.py
index 5e9efdf732..9b4167bda0 100644
--- a/src/python/grpcio/grpc/framework/crust/_control.py
+++ b/src/python/grpcio/grpc/framework/crust/_control.py
@@ -405,6 +405,9 @@ class Rendezvous(base.Operator, future.Future, stream.Consumer, face.Call):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while True:
diff --git a/src/python/grpcio/grpc/framework/crust/implementations.py b/src/python/grpcio/grpc/framework/crust/implementations.py
index 4ebc4e9ae8..2d3ab733b6 100644
--- a/src/python/grpcio/grpc/framework/crust/implementations.py
+++ b/src/python/grpcio/grpc/framework/crust/implementations.py
@@ -29,6 +29,8 @@
 
 """Entry points into the Crust layer of RPC Framework."""
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.common import style
 from grpc.framework.crust import _calls
@@ -271,7 +273,7 @@ class _DynamicStub(face.DynamicStub):
 
 def _adapt_method_implementations(method_implementations, pool):
   adapted_implementations = {}
-  for name, method_implementation in method_implementations.iteritems():
+  for name, method_implementation in six.iteritems(method_implementations):
     if method_implementation.style is style.Service.INLINE:
       if method_implementation.cardinality is cardinality.Cardinality.UNARY_UNARY:
         adapted_implementations[name] = _service.adapt_inline_unary_unary(
diff --git a/src/python/grpcio/grpc/framework/face/_control.py b/src/python/grpcio/grpc/framework/face/_control.py
index e918907b74..539615efa1 100644
--- a/src/python/grpcio/grpc/framework/face/_control.py
+++ b/src/python/grpcio/grpc/framework/face/_control.py
@@ -120,6 +120,9 @@ class Rendezvous(stream.Consumer):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while ((self._abortion is None) and
diff --git a/src/python/grpcio/grpc/framework/face/exceptions.py b/src/python/grpcio/grpc/framework/face/exceptions.py
index f112df70bc..f95455604d 100644
--- a/src/python/grpcio/grpc/framework/face/exceptions.py
+++ b/src/python/grpcio/grpc/framework/face/exceptions.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 
 class NoSuchMethodError(Exception):
   """Raised by customer code to indicate an unrecognized RPC method name.
@@ -49,12 +51,11 @@ class NoSuchMethodError(Exception):
     self.name = name
 
 
-class RpcError(Exception):
+class RpcError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for all exceptions raised by the Face layer.
 
   Only RPC Framework should instantiate and raise these exceptions.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class CancellationError(RpcError):
diff --git a/src/python/grpcio/grpc/framework/face/implementations.py b/src/python/grpcio/grpc/framework/face/implementations.py
index 4a6de52974..96055b4130 100644
--- a/src/python/grpcio/grpc/framework/face/implementations.py
+++ b/src/python/grpcio/grpc/framework/face/implementations.py
@@ -29,6 +29,8 @@
 
 """Entry points into the Face layer of RPC Framework."""
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.common import style
 from grpc.framework.base import exceptions as _base_exceptions
@@ -228,7 +230,7 @@ class _DynamicStub(interfaces.DynamicStub):
 
 def _adapt_method_implementations(method_implementations, pool):
   adapted_implementations = {}
-  for name, method_implementation in method_implementations.iteritems():
+  for name, method_implementation in six.iteritems(method_implementations):
     if method_implementation.style is style.Service.INLINE:
       if method_implementation.cardinality is cardinality.Cardinality.UNARY_UNARY:
         adapted_implementations[name] = _service.adapt_inline_value_in_value_out(
diff --git a/src/python/grpcio/grpc/framework/face/interfaces.py b/src/python/grpcio/grpc/framework/face/interfaces.py
index b7cc4c1169..e9a25c17e1 100644
--- a/src/python/grpcio/grpc/framework/face/interfaces.py
+++ b/src/python/grpcio/grpc/framework/face/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 # cardinality, style, exceptions, abandonment, future, and stream are
 # referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
@@ -52,15 +54,17 @@ class Abortion(enum.Enum):
   SERVICER_FAILURE = 'servicer failure'
 
 
-class CancellableIterator(object):
+class CancellableIterator(six.with_metaclass(abc.ABCMeta)):
   """Implements the Iterator protocol and affords a cancel method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __iter__(self):
     """Returns the self object in accordance with the Iterator protocol."""
     raise NotImplementedError()
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self):
     """Returns a value or raises StopIteration per the Iterator protocol."""
@@ -72,9 +76,8 @@ class CancellableIterator(object):
     raise NotImplementedError()
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -103,13 +106,12 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class Call(object):
+class Call(six.with_metaclass(abc.ABCMeta)):
   """Invocation-side representation of an RPC.
 
   Attributes:
     context: An RpcContext affording information about the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
@@ -117,9 +119,8 @@ class Call(object):
     raise NotImplementedError()
 
 
-class UnaryUnaryMultiCallable(object):
+class UnaryUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -171,9 +172,8 @@ class UnaryUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class UnaryStreamMultiCallable(object):
+class UnaryStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -209,9 +209,8 @@ class UnaryStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamUnaryMultiCallable(object):
+class StreamUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -264,9 +263,8 @@ class StreamUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamStreamMultiCallable(object):
+class StreamStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -302,7 +300,7 @@ l    Args:
     raise NotImplementedError()
 
 
-class MethodImplementation(object):
+class MethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A sum type that describes an RPC method implementation.
 
   Attributes:
@@ -347,12 +345,10 @@ class MethodImplementation(object):
       is cardinality.Cardinality.STREAM_STREAM and style is
       style.Service.EVENT.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class MultiMethodImplementation(object):
+class MultiMethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A general type able to service many RPC methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, name, response_consumer, context):
@@ -381,9 +377,8 @@ class MultiMethodImplementation(object):
     raise NotImplementedError()
 
 
-class GenericStub(object):
+class GenericStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC methods to callers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking_value_in_value_out(self, name, request, timeout):
@@ -622,7 +617,7 @@ class GenericStub(object):
     raise NotImplementedError()
 
 
-class DynamicStub(object):
+class DynamicStub(six.with_metaclass(abc.ABCMeta)):
   """A stub with RPC-method-bound multi-callable attributes.
 
   Instances of this type responsd to attribute access as follows: if the
@@ -637,4 +632,3 @@ class DynamicStub(object):
   the attribute will be a StreamStreamMultiCallable with which to invoke the
   RPC method.
   """
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/foundation/activated.py b/src/python/grpcio/grpc/framework/foundation/activated.py
index 426a71c705..8b8e4f45b5 100644
--- a/src/python/grpcio/grpc/framework/foundation/activated.py
+++ b/src/python/grpcio/grpc/framework/foundation/activated.py
@@ -31,14 +31,14 @@
 
 import abc
 
+import six
 
-class Activated(object):
+class Activated(six.with_metaclass(abc.ABCMeta)):
   """Interface for objects that may be started and stopped.
 
   Values implementing this type must also implement the context manager
   protocol.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __enter__(self):
diff --git a/src/python/grpcio/grpc/framework/foundation/callable_util.py b/src/python/grpcio/grpc/framework/foundation/callable_util.py
index 32b0751a01..4f029f97bb 100644
--- a/src/python/grpcio/grpc/framework/foundation/callable_util.py
+++ b/src/python/grpcio/grpc/framework/foundation/callable_util.py
@@ -35,8 +35,10 @@ import enum
 import functools
 import logging
 
+import six
 
-class Outcome(object):
+
+class Outcome(six.with_metaclass(abc.ABCMeta)):
   """A sum type describing the outcome of some call.
 
   Attributes:
@@ -47,7 +49,6 @@ class Outcome(object):
     exception: The exception raised by the call. Must be present if kind is
       Kind.RAISED.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
diff --git a/src/python/grpcio/grpc/framework/foundation/future.py b/src/python/grpcio/grpc/framework/foundation/future.py
index bfc16fc1ea..9210616150 100644
--- a/src/python/grpcio/grpc/framework/foundation/future.py
+++ b/src/python/grpcio/grpc/framework/foundation/future.py
@@ -49,6 +49,8 @@ built-in-but-only-in-3.3-and-later TimeoutError.
 
 import abc
 
+import six
+
 
 class TimeoutError(Exception):
   """Indicates that a particular call timed out."""
@@ -58,13 +60,12 @@ class CancelledError(Exception):
   """Indicates that the computation underlying a Future was cancelled."""
 
 
-class Future(object):
+class Future(six.with_metaclass(abc.ABCMeta)):
   """A representation of a computation in another control flow.
 
   Computations represented by a Future may be yet to be begun, may be ongoing,
   or may have already completed.
   """
-  __metaclass__ = abc.ABCMeta
 
   # NOTE(nathaniel): This isn't the return type that I would want to have if it
   # were up to me. Were this interface being written from scratch, the return
diff --git a/src/python/grpcio/grpc/framework/foundation/logging_pool.py b/src/python/grpcio/grpc/framework/foundation/logging_pool.py
index f82c7f7fba..9b469a1452 100644
--- a/src/python/grpcio/grpc/framework/foundation/logging_pool.py
+++ b/src/python/grpcio/grpc/framework/foundation/logging_pool.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/framework/foundation/relay.py b/src/python/grpcio/grpc/framework/foundation/relay.py
index 9c23946552..20f41b2738 100644
--- a/src/python/grpcio/grpc/framework/foundation/relay.py
+++ b/src/python/grpcio/grpc/framework/foundation/relay.py
@@ -46,7 +46,6 @@ class Relay(object):
   would be no reason to use an implementation of this interface instead of a
   thread pool.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_value(self, value):
diff --git a/src/python/grpcio/grpc/framework/foundation/stream.py b/src/python/grpcio/grpc/framework/foundation/stream.py
index 75c0cf145b..ddd6cc496a 100644
--- a/src/python/grpcio/grpc/framework/foundation/stream.py
+++ b/src/python/grpcio/grpc/framework/foundation/stream.py
@@ -31,10 +31,10 @@
 
 import abc
 
+import six
 
-class Consumer(object):
+class Consumer(six.with_metaclass(abc.ABCMeta)):
   """Interface for consumers of finite streams of values or objects."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def consume(self, value):
diff --git a/src/python/grpcio/grpc/framework/foundation/stream_util.py b/src/python/grpcio/grpc/framework/foundation/stream_util.py
index 2210e4efcf..a6f234f1fe 100644
--- a/src/python/grpcio/grpc/framework/foundation/stream_util.py
+++ b/src/python/grpcio/grpc/framework/foundation/stream_util.py
@@ -83,6 +83,9 @@ class IterableConsumer(stream.Consumer):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._active and not self._values:
diff --git a/src/python/grpcio/grpc/framework/interfaces/base/base.py b/src/python/grpcio/grpc/framework/interfaces/base/base.py
index a1e70be5e8..a2ddd9c474 100644
--- a/src/python/grpcio/grpc/framework/interfaces/base/base.py
+++ b/src/python/grpcio/grpc/framework/interfaces/base/base.py
@@ -42,6 +42,8 @@ import abc
 import enum
 import threading  # pylint: disable=unused-import
 
+import six
+
 # abandonment is referenced from specification in this module.
 from grpc.framework.foundation import abandonment  # pylint: disable=unused-import
 
@@ -95,7 +97,7 @@ class Outcome(object):
     REMOTE_FAILURE = 'remote failure'
 
 
-class Completion(object):
+class Completion(six.with_metaclass(abc.ABCMeta)):
   """An aggregate of the values exchanged upon operation completion.
 
   Attributes:
@@ -103,12 +105,10 @@ class Completion(object):
     code: A code value for the operation.
     message: A message value for the operation.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class OperationContext(object):
+class OperationContext(six.with_metaclass(abc.ABCMeta)):
   """Provides operation-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def outcome(self):
@@ -162,9 +162,8 @@ class OperationContext(object):
     raise NotImplementedError()
 
 
-class Operator(object):
+class Operator(six.with_metaclass(abc.ABCMeta)):
   """An interface through which to participate in an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def advance(
@@ -184,9 +183,8 @@ class Operator(object):
     """
     raise NotImplementedError()
 
-class ProtocolReceiver(object):
+class ProtocolReceiver(six.with_metaclass(abc.ABCMeta)):
   """A means of receiving protocol values during an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def context(self, protocol_context):
@@ -198,7 +196,7 @@ class ProtocolReceiver(object):
     raise NotImplementedError()
 
 
-class Subscription(object):
+class Subscription(six.with_metaclass(abc.ABCMeta)):
   """Describes customer code's interest in values from the other side.
 
   Attributes:
@@ -216,7 +214,6 @@ class Subscription(object):
       become available during the operation. Must be non-None if kind is
       Kind.FULL.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
@@ -226,9 +223,8 @@ class Subscription(object):
     FULL = 'full'
 
 
-class Servicer(object):
+class Servicer(six.with_metaclass(abc.ABCMeta)):
   """Interface for service implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, group, method, context, output_operator):
@@ -255,9 +251,8 @@ class Servicer(object):
     raise NotImplementedError()
 
 
-class End(object):
+class End(six.with_metaclass(abc.ABCMeta)):
   """Common type for entry-point objects on both sides of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def start(self):
diff --git a/src/python/grpcio/grpc/framework/interfaces/face/face.py b/src/python/grpcio/grpc/framework/interfaces/face/face.py
index 404c3a7937..4826e7fff6 100644
--- a/src/python/grpcio/grpc/framework/interfaces/face/face.py
+++ b/src/python/grpcio/grpc/framework/interfaces/face/face.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 # cardinality, style, abandonment, future, and stream are
 # referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
@@ -96,7 +98,7 @@ class Abortion(
     REMOTE_FAILURE = 'remote failure'
 
 
-class AbortionError(Exception):
+class AbortionError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for exceptions indicating RPC abortion.
 
     initial_metadata: The initial metadata from the other side of the RPC or
@@ -108,7 +110,6 @@ class AbortionError(Exception):
     details: The details value from the other side of the RPC or None if no
       details value was received.
   """
-  __metaclass__ = abc.ABCMeta
 
   def __init__(self, initial_metadata, terminal_metadata, code, details):
     super(AbortionError, self).__init__()
@@ -150,9 +151,8 @@ class RemoteError(AbortionError):
   """Indicates that an RPC has terminated due to a remote defect."""
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -199,9 +199,8 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class Call(RpcContext):
+class Call(six.with_metaclass(abc.ABCMeta, RpcContext)):
   """Invocation-side utility object for an RPC."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def initial_metadata(self):
@@ -256,9 +255,8 @@ class Call(RpcContext):
     raise NotImplementedError()
 
 
-class ServicerContext(RpcContext):
+class ServicerContext(six.with_metaclass(abc.ABCMeta, RpcContext)):
   """A context object passed to method implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def invocation_metadata(self):
@@ -326,9 +324,8 @@ class ServicerContext(RpcContext):
     raise NotImplementedError()
 
 
-class ResponseReceiver(object):
+class ResponseReceiver(six.with_metaclass(abc.ABCMeta)):
   """Invocation-side object used to accept the output of an RPC."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def initial_metadata(self, initial_metadata):
@@ -362,9 +359,8 @@ class ResponseReceiver(object):
     raise NotImplementedError()
 
 
-class UnaryUnaryMultiCallable(object):
+class UnaryUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -434,9 +430,8 @@ class UnaryUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class UnaryStreamMultiCallable(object):
+class UnaryStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout, metadata=None, protocol_options=None):
@@ -480,9 +475,8 @@ class UnaryStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamUnaryMultiCallable(object):
+class StreamUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -553,9 +547,8 @@ class StreamUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamStreamMultiCallable(object):
+class StreamStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -600,7 +593,7 @@ class StreamStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class MethodImplementation(object):
+class MethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A sum type that describes a method implementation.
 
   Attributes:
@@ -643,12 +636,10 @@ class MethodImplementation(object):
       is cardinality.Cardinality.STREAM_STREAM and style is
       style.Service.EVENT.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class MultiMethodImplementation(object):
+class MultiMethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A general type able to service many methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, group, method, response_consumer, context):
@@ -678,9 +669,8 @@ class MultiMethodImplementation(object):
     raise NotImplementedError()
 
 
-class GenericStub(object):
+class GenericStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC invocation via generic methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking_unary_unary(
@@ -977,7 +967,7 @@ class GenericStub(object):
     raise NotImplementedError()
 
 
-class DynamicStub(object):
+class DynamicStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC invocation via attributes corresponding to afforded methods.
 
   Instances of this type may be scoped to a single group so that attribute
@@ -993,4 +983,3 @@ class DynamicStub(object):
   if the requested attribute is the name of a stream-stream method, the value of
   the attribute will be a StreamStreamMultiCallable with which to invoke an RPC.
   """
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/interfaces/links/links.py b/src/python/grpcio/grpc/framework/interfaces/links/links.py
index 24f0e3b354..9631b19078 100644
--- a/src/python/grpcio/grpc/framework/interfaces/links/links.py
+++ b/src/python/grpcio/grpc/framework/interfaces/links/links.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 
 class Protocol(collections.namedtuple('Protocol', ('kind', 'value',))):
   """A sum type for handles to a system that transmits tickets.
@@ -123,9 +125,8 @@ class Ticket(
     REMOTE_FAILURE = 'remote failure'
 
 
-class Link(object):
+class Link(six.with_metaclass(abc.ABCMeta)):
   """Accepts and emits tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_ticket(self, ticket):
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 38b2226e4e..de25edbeb5 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,204 +30,215 @@
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_core_dependencies.py.template`!!!
 
 CORE_SOURCE_FILES = [
-  'src/core/profiling/basic_timers.c',
-  'src/core/profiling/stap_timers.c',
-  'src/core/support/alloc.c',
-  'src/core/support/avl.c',
-  'src/core/support/cmdline.c',
-  'src/core/support/cpu_iphone.c',
-  'src/core/support/cpu_linux.c',
-  'src/core/support/cpu_posix.c',
-  'src/core/support/cpu_windows.c',
-  'src/core/support/env_linux.c',
-  'src/core/support/env_posix.c',
-  'src/core/support/env_win32.c',
-  'src/core/support/file.c',
-  'src/core/support/file_posix.c',
-  'src/core/support/file_win32.c',
-  'src/core/support/histogram.c',
-  'src/core/support/host_port.c',
-  'src/core/support/log.c',
-  'src/core/support/log_android.c',
-  'src/core/support/log_linux.c',
-  'src/core/support/log_posix.c',
-  'src/core/support/log_win32.c',
-  'src/core/support/murmur_hash.c',
-  'src/core/support/slice.c',
-  'src/core/support/slice_buffer.c',
-  'src/core/support/stack_lockfree.c',
-  'src/core/support/string.c',
-  'src/core/support/string_posix.c',
-  'src/core/support/string_win32.c',
-  'src/core/support/subprocess_posix.c',
-  'src/core/support/subprocess_windows.c',
-  'src/core/support/sync.c',
-  'src/core/support/sync_posix.c',
-  'src/core/support/sync_win32.c',
-  'src/core/support/thd.c',
-  'src/core/support/thd_posix.c',
-  'src/core/support/thd_win32.c',
-  'src/core/support/time.c',
-  'src/core/support/time_posix.c',
-  'src/core/support/time_precise.c',
-  'src/core/support/time_win32.c',
-  'src/core/support/tls_pthread.c',
-  'src/core/support/wrap_memcpy.c',
-  'src/core/httpcli/httpcli_security_connector.c',
-  'src/core/security/base64.c',
-  'src/core/security/client_auth_filter.c',
-  'src/core/security/credentials.c',
-  'src/core/security/credentials_metadata.c',
-  'src/core/security/credentials_posix.c',
-  'src/core/security/credentials_win32.c',
-  'src/core/security/google_default_credentials.c',
-  'src/core/security/handshake.c',
-  'src/core/security/json_token.c',
-  'src/core/security/jwt_verifier.c',
-  'src/core/security/secure_endpoint.c',
-  'src/core/security/security_connector.c',
-  'src/core/security/security_context.c',
-  'src/core/security/server_auth_filter.c',
-  'src/core/security/server_secure_chttp2.c',
-  'src/core/surface/init_secure.c',
-  'src/core/surface/secure_channel_create.c',
-  'src/core/tsi/fake_transport_security.c',
-  'src/core/tsi/ssl_transport_security.c',
-  'src/core/tsi/transport_security.c',
-  'src/core/census/grpc_context.c',
-  'src/core/census/grpc_filter.c',
-  'src/core/channel/channel_args.c',
-  'src/core/channel/channel_stack.c',
-  'src/core/channel/client_channel.c',
-  'src/core/channel/client_uchannel.c',
-  'src/core/channel/compress_filter.c',
-  'src/core/channel/connected_channel.c',
-  'src/core/channel/http_client_filter.c',
-  'src/core/channel/http_server_filter.c',
-  'src/core/channel/subchannel_call_holder.c',
-  'src/core/client_config/client_config.c',
-  'src/core/client_config/connector.c',
-  'src/core/client_config/default_initial_connect_string.c',
-  'src/core/client_config/initial_connect_string.c',
-  'src/core/client_config/lb_policies/pick_first.c',
-  'src/core/client_config/lb_policies/round_robin.c',
-  'src/core/client_config/lb_policy.c',
-  'src/core/client_config/lb_policy_factory.c',
-  'src/core/client_config/lb_policy_registry.c',
-  'src/core/client_config/resolver.c',
-  'src/core/client_config/resolver_factory.c',
-  'src/core/client_config/resolver_registry.c',
-  'src/core/client_config/resolvers/dns_resolver.c',
-  'src/core/client_config/resolvers/sockaddr_resolver.c',
-  'src/core/client_config/subchannel.c',
-  'src/core/client_config/subchannel_factory.c',
-  'src/core/client_config/subchannel_index.c',
-  'src/core/client_config/uri_parser.c',
-  'src/core/compression/algorithm.c',
-  'src/core/compression/message_compress.c',
-  'src/core/debug/trace.c',
-  'src/core/httpcli/format_request.c',
-  'src/core/httpcli/httpcli.c',
-  'src/core/httpcli/parser.c',
-  'src/core/iomgr/closure.c',
-  'src/core/iomgr/endpoint.c',
-  'src/core/iomgr/endpoint_pair_posix.c',
-  'src/core/iomgr/endpoint_pair_windows.c',
-  'src/core/iomgr/exec_ctx.c',
-  'src/core/iomgr/executor.c',
-  'src/core/iomgr/fd_posix.c',
-  'src/core/iomgr/iocp_windows.c',
-  'src/core/iomgr/iomgr.c',
-  'src/core/iomgr/iomgr_posix.c',
-  'src/core/iomgr/iomgr_windows.c',
-  'src/core/iomgr/pollset_multipoller_with_epoll.c',
-  'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-  'src/core/iomgr/pollset_posix.c',
-  'src/core/iomgr/pollset_set_posix.c',
-  'src/core/iomgr/pollset_set_windows.c',
-  'src/core/iomgr/pollset_windows.c',
-  'src/core/iomgr/resolve_address_posix.c',
-  'src/core/iomgr/resolve_address_windows.c',
-  'src/core/iomgr/sockaddr_utils.c',
-  'src/core/iomgr/socket_utils_common_posix.c',
-  'src/core/iomgr/socket_utils_linux.c',
-  'src/core/iomgr/socket_utils_posix.c',
-  'src/core/iomgr/socket_windows.c',
-  'src/core/iomgr/tcp_client_posix.c',
-  'src/core/iomgr/tcp_client_windows.c',
-  'src/core/iomgr/tcp_posix.c',
-  'src/core/iomgr/tcp_server_posix.c',
-  'src/core/iomgr/tcp_server_windows.c',
-  'src/core/iomgr/tcp_windows.c',
-  'src/core/iomgr/time_averaged_stats.c',
-  'src/core/iomgr/timer.c',
-  'src/core/iomgr/timer_heap.c',
-  'src/core/iomgr/udp_server.c',
-  'src/core/iomgr/wakeup_fd_eventfd.c',
-  'src/core/iomgr/wakeup_fd_nospecial.c',
-  'src/core/iomgr/wakeup_fd_pipe.c',
-  'src/core/iomgr/wakeup_fd_posix.c',
-  'src/core/iomgr/workqueue_posix.c',
-  'src/core/iomgr/workqueue_windows.c',
-  'src/core/json/json.c',
-  'src/core/json/json_reader.c',
-  'src/core/json/json_string.c',
-  'src/core/json/json_writer.c',
-  'src/core/surface/alarm.c',
-  'src/core/surface/api_trace.c',
-  'src/core/surface/byte_buffer.c',
-  'src/core/surface/byte_buffer_reader.c',
-  'src/core/surface/call.c',
-  'src/core/surface/call_details.c',
-  'src/core/surface/call_log_batch.c',
-  'src/core/surface/channel.c',
-  'src/core/surface/channel_connectivity.c',
-  'src/core/surface/channel_create.c',
-  'src/core/surface/channel_ping.c',
-  'src/core/surface/completion_queue.c',
-  'src/core/surface/event_string.c',
-  'src/core/surface/init.c',
-  'src/core/surface/lame_client.c',
-  'src/core/surface/metadata_array.c',
-  'src/core/surface/server.c',
-  'src/core/surface/server_chttp2.c',
-  'src/core/surface/server_create.c',
-  'src/core/surface/validate_metadata.c',
-  'src/core/surface/version.c',
-  'src/core/transport/byte_stream.c',
-  'src/core/transport/chttp2/alpn.c',
-  'src/core/transport/chttp2/bin_encoder.c',
-  'src/core/transport/chttp2/frame_data.c',
-  'src/core/transport/chttp2/frame_goaway.c',
-  'src/core/transport/chttp2/frame_ping.c',
-  'src/core/transport/chttp2/frame_rst_stream.c',
-  'src/core/transport/chttp2/frame_settings.c',
-  'src/core/transport/chttp2/frame_window_update.c',
-  'src/core/transport/chttp2/hpack_encoder.c',
-  'src/core/transport/chttp2/hpack_parser.c',
-  'src/core/transport/chttp2/hpack_table.c',
-  'src/core/transport/chttp2/huffsyms.c',
-  'src/core/transport/chttp2/incoming_metadata.c',
-  'src/core/transport/chttp2/parsing.c',
-  'src/core/transport/chttp2/status_conversion.c',
-  'src/core/transport/chttp2/stream_lists.c',
-  'src/core/transport/chttp2/stream_map.c',
-  'src/core/transport/chttp2/timeout_encoding.c',
-  'src/core/transport/chttp2/varint.c',
-  'src/core/transport/chttp2/writing.c',
-  'src/core/transport/chttp2_transport.c',
-  'src/core/transport/connectivity_state.c',
-  'src/core/transport/metadata.c',
-  'src/core/transport/metadata_batch.c',
-  'src/core/transport/static_metadata.c',
-  'src/core/transport/transport.c',
-  'src/core/transport/transport_op_string.c',
-  'src/core/census/context.c',
-  'src/core/census/initialize.c',
-  'src/core/census/log.c',
-  'src/core/census/operation.c',
-  'src/core/census/placeholders.c',
-  'src/core/census/tracing.c',
+  'src/core/lib/profiling/basic_timers.c',
+  'src/core/lib/profiling/stap_timers.c',
+  'src/core/lib/support/alloc.c',
+  'src/core/lib/support/avl.c',
+  'src/core/lib/support/backoff.c',
+  'src/core/lib/support/cmdline.c',
+  'src/core/lib/support/cpu_iphone.c',
+  'src/core/lib/support/cpu_linux.c',
+  'src/core/lib/support/cpu_posix.c',
+  'src/core/lib/support/cpu_windows.c',
+  'src/core/lib/support/env_linux.c',
+  'src/core/lib/support/env_posix.c',
+  'src/core/lib/support/env_win32.c',
+  'src/core/lib/support/histogram.c',
+  'src/core/lib/support/host_port.c',
+  'src/core/lib/support/load_file.c',
+  'src/core/lib/support/log.c',
+  'src/core/lib/support/log_android.c',
+  'src/core/lib/support/log_linux.c',
+  'src/core/lib/support/log_posix.c',
+  'src/core/lib/support/log_win32.c',
+  'src/core/lib/support/murmur_hash.c',
+  'src/core/lib/support/slice.c',
+  'src/core/lib/support/slice_buffer.c',
+  'src/core/lib/support/stack_lockfree.c',
+  'src/core/lib/support/string.c',
+  'src/core/lib/support/string_posix.c',
+  'src/core/lib/support/string_win32.c',
+  'src/core/lib/support/subprocess_posix.c',
+  'src/core/lib/support/subprocess_windows.c',
+  'src/core/lib/support/sync.c',
+  'src/core/lib/support/sync_posix.c',
+  'src/core/lib/support/sync_win32.c',
+  'src/core/lib/support/thd.c',
+  'src/core/lib/support/thd_posix.c',
+  'src/core/lib/support/thd_win32.c',
+  'src/core/lib/support/time.c',
+  'src/core/lib/support/time_posix.c',
+  'src/core/lib/support/time_precise.c',
+  'src/core/lib/support/time_win32.c',
+  'src/core/lib/support/tls_pthread.c',
+  'src/core/lib/support/tmpfile_posix.c',
+  'src/core/lib/support/tmpfile_win32.c',
+  'src/core/lib/support/wrap_memcpy.c',
+  'src/core/lib/channel/channel_args.c',
+  'src/core/lib/channel/channel_stack.c',
+  'src/core/lib/channel/channel_stack_builder.c',
+  'src/core/lib/channel/compress_filter.c',
+  'src/core/lib/channel/connected_channel.c',
+  'src/core/lib/channel/http_client_filter.c',
+  'src/core/lib/channel/http_server_filter.c',
+  'src/core/lib/compression/compression_algorithm.c',
+  'src/core/lib/compression/message_compress.c',
+  'src/core/lib/debug/trace.c',
+  'src/core/lib/http/format_request.c',
+  'src/core/lib/http/httpcli.c',
+  'src/core/lib/http/parser.c',
+  'src/core/lib/iomgr/closure.c',
+  'src/core/lib/iomgr/endpoint.c',
+  'src/core/lib/iomgr/endpoint_pair_posix.c',
+  'src/core/lib/iomgr/endpoint_pair_windows.c',
+  'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+  'src/core/lib/iomgr/ev_posix.c',
+  'src/core/lib/iomgr/exec_ctx.c',
+  'src/core/lib/iomgr/executor.c',
+  'src/core/lib/iomgr/iocp_windows.c',
+  'src/core/lib/iomgr/iomgr.c',
+  'src/core/lib/iomgr/iomgr_posix.c',
+  'src/core/lib/iomgr/iomgr_windows.c',
+  'src/core/lib/iomgr/pollset_set_windows.c',
+  'src/core/lib/iomgr/pollset_windows.c',
+  'src/core/lib/iomgr/resolve_address_posix.c',
+  'src/core/lib/iomgr/resolve_address_windows.c',
+  'src/core/lib/iomgr/sockaddr_utils.c',
+  'src/core/lib/iomgr/socket_utils_common_posix.c',
+  'src/core/lib/iomgr/socket_utils_linux.c',
+  'src/core/lib/iomgr/socket_utils_posix.c',
+  'src/core/lib/iomgr/socket_windows.c',
+  'src/core/lib/iomgr/tcp_client_posix.c',
+  'src/core/lib/iomgr/tcp_client_windows.c',
+  'src/core/lib/iomgr/tcp_posix.c',
+  'src/core/lib/iomgr/tcp_server_posix.c',
+  'src/core/lib/iomgr/tcp_server_windows.c',
+  'src/core/lib/iomgr/tcp_windows.c',
+  'src/core/lib/iomgr/time_averaged_stats.c',
+  'src/core/lib/iomgr/timer.c',
+  'src/core/lib/iomgr/timer_heap.c',
+  'src/core/lib/iomgr/udp_server.c',
+  'src/core/lib/iomgr/unix_sockets_posix.c',
+  'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+  'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+  'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+  'src/core/lib/iomgr/wakeup_fd_pipe.c',
+  'src/core/lib/iomgr/wakeup_fd_posix.c',
+  'src/core/lib/iomgr/workqueue_posix.c',
+  'src/core/lib/iomgr/workqueue_windows.c',
+  'src/core/lib/json/json.c',
+  'src/core/lib/json/json_reader.c',
+  'src/core/lib/json/json_string.c',
+  'src/core/lib/json/json_writer.c',
+  'src/core/lib/surface/alarm.c',
+  'src/core/lib/surface/api_trace.c',
+  'src/core/lib/surface/byte_buffer.c',
+  'src/core/lib/surface/byte_buffer_reader.c',
+  'src/core/lib/surface/call.c',
+  'src/core/lib/surface/call_details.c',
+  'src/core/lib/surface/call_log_batch.c',
+  'src/core/lib/surface/channel.c',
+  'src/core/lib/surface/channel_init.c',
+  'src/core/lib/surface/channel_ping.c',
+  'src/core/lib/surface/channel_stack_type.c',
+  'src/core/lib/surface/completion_queue.c',
+  'src/core/lib/surface/event_string.c',
+  'src/core/lib/surface/init.c',
+  'src/core/lib/surface/lame_client.c',
+  'src/core/lib/surface/metadata_array.c',
+  'src/core/lib/surface/server.c',
+  'src/core/lib/surface/validate_metadata.c',
+  'src/core/lib/surface/version.c',
+  'src/core/lib/transport/byte_stream.c',
+  'src/core/lib/transport/connectivity_state.c',
+  'src/core/lib/transport/metadata.c',
+  'src/core/lib/transport/metadata_batch.c',
+  'src/core/lib/transport/static_metadata.c',
+  'src/core/lib/transport/transport.c',
+  'src/core/lib/transport/transport_op_string.c',
+  'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+  'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+  'src/core/ext/transport/chttp2/transport/frame_data.c',
+  'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+  'src/core/ext/transport/chttp2/transport/frame_ping.c',
+  'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+  'src/core/ext/transport/chttp2/transport/frame_settings.c',
+  'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+  'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+  'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+  'src/core/ext/transport/chttp2/transport/hpack_table.c',
+  'src/core/ext/transport/chttp2/transport/huffsyms.c',
+  'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+  'src/core/ext/transport/chttp2/transport/parsing.c',
+  'src/core/ext/transport/chttp2/transport/status_conversion.c',
+  'src/core/ext/transport/chttp2/transport/stream_lists.c',
+  'src/core/ext/transport/chttp2/transport/stream_map.c',
+  'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+  'src/core/ext/transport/chttp2/transport/varint.c',
+  'src/core/ext/transport/chttp2/transport/writing.c',
+  'src/core/ext/transport/chttp2/alpn/alpn.c',
+  'src/core/lib/http/httpcli_security_connector.c',
+  'src/core/lib/security/b64.c',
+  'src/core/lib/security/client_auth_filter.c',
+  'src/core/lib/security/credentials.c',
+  'src/core/lib/security/credentials_metadata.c',
+  'src/core/lib/security/credentials_posix.c',
+  'src/core/lib/security/credentials_win32.c',
+  'src/core/lib/security/google_default_credentials.c',
+  'src/core/lib/security/handshake.c',
+  'src/core/lib/security/json_token.c',
+  'src/core/lib/security/jwt_verifier.c',
+  'src/core/lib/security/secure_endpoint.c',
+  'src/core/lib/security/security_connector.c',
+  'src/core/lib/security/security_context.c',
+  'src/core/lib/security/server_auth_filter.c',
+  'src/core/lib/surface/init_secure.c',
+  'src/core/lib/tsi/fake_transport_security.c',
+  'src/core/lib/tsi/ssl_transport_security.c',
+  'src/core/lib/tsi/transport_security.c',
+  'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+  'src/core/ext/client_config/channel_connectivity.c',
+  'src/core/ext/client_config/client_channel.c',
+  'src/core/ext/client_config/client_channel_factory.c',
+  'src/core/ext/client_config/client_config.c',
+  'src/core/ext/client_config/client_config_plugin.c',
+  'src/core/ext/client_config/connector.c',
+  'src/core/ext/client_config/default_initial_connect_string.c',
+  'src/core/ext/client_config/initial_connect_string.c',
+  'src/core/ext/client_config/lb_policy.c',
+  'src/core/ext/client_config/lb_policy_factory.c',
+  'src/core/ext/client_config/lb_policy_registry.c',
+  'src/core/ext/client_config/parse_address.c',
+  'src/core/ext/client_config/resolver.c',
+  'src/core/ext/client_config/resolver_factory.c',
+  'src/core/ext/client_config/resolver_registry.c',
+  'src/core/ext/client_config/subchannel.c',
+  'src/core/ext/client_config/subchannel_call_holder.c',
+  'src/core/ext/client_config/subchannel_index.c',
+  'src/core/ext/client_config/uri_parser.c',
+  'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+  'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+  'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+  'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
+  'third_party/nanopb/pb_common.c',
+  'third_party/nanopb/pb_decode.c',
+  'third_party/nanopb/pb_encode.c',
+  'src/core/ext/lb_policy/pick_first/pick_first.c',
+  'src/core/ext/lb_policy/round_robin/round_robin.c',
+  'src/core/ext/resolver/dns/native/dns_resolver.c',
+  'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+  'src/core/ext/census/context.c',
+  'src/core/ext/census/grpc_context.c',
+  'src/core/ext/census/grpc_filter.c',
+  'src/core/ext/census/grpc_plugin.c',
+  'src/core/ext/census/initialize.c',
+  'src/core/ext/census/mlog.c',
+  'src/core/ext/census/operation.c',
+  'src/core/ext/census/placeholders.c',
+  'src/core/ext/census/tracing.c',
+  'src/core/plugin_registry/grpc_plugin_registry.c',
   'src/boringssl/err_data.c',
   'third_party/boringssl/crypto/aes/aes.c',
   'third_party/boringssl/crypto/aes/mode_wrappers.c',
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index 75b88cfd61..873b4e2a91 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/precompiled.py b/src/python/grpcio/precompiled.py
index 05c651b506..b6aa7fc90e 100644
--- a/src/python/grpcio/precompiled.py
+++ b/src/python/grpcio/precompiled.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,6 +31,7 @@ import os
 import platform
 import shutil
 import sys
+import sysconfig
 
 import setuptools
 
@@ -51,9 +52,15 @@ USE_PRECOMPILED_BINARIES = bool(int(os.environ.get(
 
 def _tagged_ext_name(base):
   uname = platform.uname()
-  tags = '-'.join((grpc_version.VERSION, uname[0], uname[4]))
-  flavor = 'ucs2' if sys.maxunicode == 65535 else 'ucs4'
-  return '{base}-{tags}-{flavor}'.format(base=base, tags=tags, flavor=flavor)
+  tags = (
+      grpc_version.VERSION,
+      'py{}'.format(sysconfig.get_python_version()),
+      uname[0],
+      uname[4],
+  )
+  ucs = 'ucs{}'.format(sysconfig.get_config_var('Py_UNICODE_SIZE'))
+  return '{base}-{tags}-{ucs}'.format(
+      base=base, tags='-'.join(tags), ucs=ucs)
 
 
 class BuildTaggedExt(setuptools.Command):
@@ -84,6 +91,9 @@ class BuildTaggedExt(setuptools.Command):
 
 
 def update_setup_arguments(setup_arguments):
+  if not USE_PRECOMPILED_BINARIES:
+    sys.stderr.write('not using precompiled extension')
+    return
   url = '{}/{}.so'.format(BINARIES_REPOSITORY, _tagged_ext_name('cygrpc'))
   target_path = os.path.join(PYTHON_STEM, 'grpc/_cython/cygrpc.so')
   try:
@@ -100,3 +110,5 @@ def update_setup_arguments(setup_arguments):
     sys.stderr.write(
         'could not write precompiled extension to directory: {} -> {}\n'
             .format(url, target_path))
+    return
+  setup_arguments['package_data']['grpc._cython'].append('cygrpc.so')
diff --git a/src/python/grpcio/tests/__init__.py b/src/python/grpcio/tests/__init__.py
index b76b3985a1..a70a1b1f1d 100644
--- a/src/python/grpcio/tests/__init__.py
+++ b/src/python/grpcio/tests/__init__.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+from __future__ import absolute_import
+
 from tests import _loader
 from tests import _runner
 
diff --git a/src/python/grpcio/tests/_loader.py b/src/python/grpcio/tests/_loader.py
index 6992029b5e..c2f097f6c6 100644
--- a/src/python/grpcio/tests/_loader.py
+++ b/src/python/grpcio/tests/_loader.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+from __future__ import absolute_import
+
 import importlib
 import pkgutil
 import re
diff --git a/src/python/grpcio/tests/_result.py b/src/python/grpcio/tests/_result.py
index 0670be921f..1acec6a9b5 100644
--- a/src/python/grpcio/tests/_result.py
+++ b/src/python/grpcio/tests/_result.py
@@ -27,7 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import cStringIO as StringIO
+from __future__ import absolute_import
+
 import collections
 import itertools
 import traceback
@@ -35,6 +36,7 @@ import unittest
 from xml.etree import ElementTree
 
 import coverage
+from six import moves
 
 from tests import _loader
 
@@ -202,7 +204,7 @@ class AugmentedResult(unittest.TestResult):
     """
     case_id = self.id_map(test)
     self.cases[case_id] = self.cases[case_id].updated(
-        stdout=stdout, stderr=stderr)
+        stdout=stdout.decode(), stderr=stderr.decode())
 
   def augmented_results(self, filter):
     """Convenience method to retrieve filtered case results.
@@ -356,7 +358,7 @@ def _traceback_string(type, value, trace):
   Returns:
     str: Formatted exception descriptive string.
   """
-  buffer = StringIO.StringIO()
+  buffer = moves.cStringIO()
   traceback.print_exception(type, value, trace, file=buffer)
   return buffer.getvalue()
 
diff --git a/src/python/grpcio/tests/_runner.py b/src/python/grpcio/tests/_runner.py
index 4f1ddb57fc..f0718573e2 100644
--- a/src/python/grpcio/tests/_runner.py
+++ b/src/python/grpcio/tests/_runner.py
@@ -27,7 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import cStringIO as StringIO
+from __future__ import absolute_import
+
 import collections
 import fcntl
 import multiprocessing
@@ -35,69 +36,59 @@ import os
 import select
 import signal
 import sys
+import tempfile
 import threading
 import time
 import unittest
 import uuid
 
+import six
+from six import moves
+
 from tests import _loader
 from tests import _result
 
 
-class CapturePipe(object):
-  """A context-manager pipe to redirect output to a byte array.
+class CaptureFile(object):
+  """A context-managed file to redirect output to a byte array.
+
+  Use by invoking `start` (`__enter__`) and at some point invoking `stop`
+  (`__exit__`). At any point after the initial call to `start` call `output` to
+  get the current redirected output. Note that we don't currently use file
+  locking, so calling `output` between calls to `start` and `stop` may muddle
+  the result (you should only be doing this during a Python-handled interrupt as
+  a last ditch effort to provide output to the user).
 
   Attributes:
-    _redirect_fd (int): File descriptor of file to redirect writes from.
+    _redirected_fd (int): File descriptor of file to redirect writes from.
     _saved_fd (int): A copy of the original value of the redirected file
       descriptor.
-    _read_thread (threading.Thread or None): Thread upon which reads through the
-      pipe are performed. Only non-None when self is started.
-    _read_fd (int or None): File descriptor of the read end of the redirect
-      pipe. Only non-None when self is started.
-    _write_fd (int or None): File descriptor of the write end of the redirect
-      pipe. Only non-None when self is started.
-    output (bytearray or None): Redirected output from writes to the redirected
-      file descriptor. Only valid during and after self has started.
+    _into_file (TemporaryFile or None): File to which writes are redirected.
+      Only non-None when self is started.
   """
 
   def __init__(self, fd):
-    self._redirect_fd = fd
-    self._saved_fd = os.dup(self._redirect_fd)
-    self._read_thread = None
-    self._read_fd = None
-    self._write_fd = None
-    self.output = None
+    self._redirected_fd = fd
+    self._saved_fd = os.dup(self._redirected_fd)
+    self._into_file = None
+
+  def output(self):
+    """Get all output from the redirected-to file if it exists."""
+    if self._into_file:
+      self._into_file.seek(0)
+      return bytes(self._into_file.read())
+    else:
+      return bytes()
 
   def start(self):
     """Start redirection of writes to the file descriptor."""
-    self._read_fd, self._write_fd = os.pipe()
-    os.dup2(self._write_fd, self._redirect_fd)
-    flags = fcntl.fcntl(self._read_fd, fcntl.F_GETFL)
-    fcntl.fcntl(self._read_fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
-    self._read_thread = threading.Thread(target=self._read)
-    self._read_thread.start()
+    self._into_file = tempfile.TemporaryFile()
+    os.dup2(self._into_file.fileno(), self._redirected_fd)
 
   def stop(self):
     """Stop redirection of writes to the file descriptor."""
-    os.close(self._write_fd)
-    os.dup2(self._saved_fd, self._redirect_fd)  # auto-close self._redirect_fd
-    self._read_thread.join()
-    self._read_thread = None
-    # we waited for the read thread to finish, so _read_fd has been read and we
-    # can close it.
-    os.close(self._read_fd)
-
-  def _read(self):
-    """Read-thread target for self."""
-    self.output = bytearray()
-    while True:
-      select.select([self._read_fd], [], [])
-      read_bytes = os.read(self._read_fd, 1024)
-      if read_bytes:
-        self.output.extend(read_bytes)
-      else:
-        break
+    # n.b. this dup2 call auto-closes self._redirected_fd
+    os.dup2(self._saved_fd, self._redirected_fd)
 
   def write_bypass(self, value):
     """Bypass the redirection and write directly to the original file.
@@ -105,6 +96,8 @@ class CapturePipe(object):
     Arguments:
       value (str): What to write to the original file.
     """
+    if six.PY3 and not isinstance(value, six.binary_type):
+      value = bytes(value, 'ascii')
     if self._saved_fd is None:
       os.write(self._redirect_fd, value)
     else:
@@ -143,17 +136,24 @@ class Runner(object):
 
   def run(self, suite):
     """See setuptools' test_runner setup argument for information."""
+    # only run test cases with id starting with given prefix
+    testcase_filter = os.getenv('GRPC_PYTHON_TESTRUNNER_FILTER')
+    filtered_cases = []
+    for case in _loader.iterate_suite_cases(suite):
+      if not testcase_filter or case.id().startswith(testcase_filter):
+        filtered_cases.append(case)
+
     # Ensure that every test case has no collision with any other test case in
     # the augmented results.
     augmented_cases = [AugmentedCase(case, uuid.uuid4())
-                       for case in _loader.iterate_suite_cases(suite)]
+                       for case in filtered_cases]
     case_id_by_case = dict((augmented_case.case, augmented_case.id)
                            for augmented_case in augmented_cases)
-    result_out = StringIO.StringIO()
+    result_out = moves.cStringIO()
     result = _result.TerminalResult(
         result_out, id_map=lambda case: case_id_by_case[case])
-    stdout_pipe = CapturePipe(sys.stdout.fileno())
-    stderr_pipe = CapturePipe(sys.stderr.fileno())
+    stdout_pipe = CaptureFile(sys.stdout.fileno())
+    stderr_pipe = CaptureFile(sys.stderr.fileno())
     kill_flag = [False]
 
     def sigint_handler(signal_number, frame):
@@ -164,7 +164,8 @@ class Runner(object):
     def fault_handler(signal_number, frame):
       stdout_pipe.write_bypass(
           'Received fault signal {}\nstdout:\n{}\n\nstderr:{}\n'
-          .format(signal_number, stdout_pipe.output, stderr_pipe.output))
+          .format(signal_number, stdout_pipe.output(),
+                  stderr_pipe.output()))
       os._exit(1)
 
     def check_kill_self():
@@ -173,9 +174,9 @@ class Runner(object):
         result.stopTestRun()
         stdout_pipe.write_bypass(result_out.getvalue())
         stdout_pipe.write_bypass(
-            '\ninterrupted stdout:\n{}\n'.format(stdout_pipe.output))
+            '\ninterrupted stdout:\n{}\n'.format(stdout_pipe.output().decode()))
         stderr_pipe.write_bypass(
-            '\ninterrupted stderr:\n{}\n'.format(stderr_pipe.output))
+            '\ninterrupted stderr:\n{}\n'.format(stderr_pipe.output().decode()))
         os._exit(1)
     signal.signal(signal.SIGINT, sigint_handler)
     signal.signal(signal.SIGSEGV, fault_handler)
@@ -205,7 +206,7 @@ class Runner(object):
         # re-raise the exception after forcing the with-block to end
         raise
       result.set_output(
-          augmented_case.case, stdout_pipe.output, stderr_pipe.output)
+          augmented_case.case, stdout_pipe.output(), stderr_pipe.output())
       sys.stdout.write(result_out.getvalue())
       sys.stdout.flush()
       result_out.truncate(0)
@@ -218,7 +219,7 @@ class Runner(object):
     sys.stdout.write(result_out.getvalue())
     sys.stdout.flush()
     signal.signal(signal.SIGINT, signal.SIG_DFL)
-    with open('report.xml', 'w') as report_xml_file:
+    with open('report.xml', 'wb') as report_xml_file:
       _result.jenkins_junit_xml(result).write(report_xml_file)
     return result
 
diff --git a/src/python/grpcio/tests/interop/_secure_interop_test.py b/src/python/grpcio/tests/interop/_secure_interop_test.py
index 7e3061133f..86d7e43351 100644
--- a/src/python/grpcio/tests/interop/_secure_interop_test.py
+++ b/src/python/grpcio/tests/interop/_secure_interop_test.py
@@ -56,7 +56,7 @@ class SecureInteropTest(
     self.stub = test_pb2.beta_create_TestService_stub(
         test_utilities.not_really_secure_channel(
             '[::]', port, implementations.ssl_channel_credentials(
-                resources.test_root_certificates(), None, None),
+                resources.test_root_certificates()),
                 _SERVER_HOST_OVERRIDE))
 
   def tearDown(self):
diff --git a/src/python/grpcio/tests/interop/client.py b/src/python/grpcio/tests/interop/client.py
index 573ec2bd71..1d10d7e45d 100644
--- a/src/python/grpcio/tests/interop/client.py
+++ b/src/python/grpcio/tests/interop/client.py
@@ -94,7 +94,7 @@ def _stub(args):
 
     channel = test_utilities.not_really_secure_channel(
         args.server_host, args.server_port,
-        implementations.ssl_channel_credentials(root_certificates, None, None),
+        implementations.ssl_channel_credentials(root_certificates),
         args.server_host_override)
     stub = test_pb2.beta_create_TestService_stub(
         channel, metadata_transformer=metadata_transformer)
diff --git a/src/python/grpcio/tests/interop/methods.py b/src/python/grpcio/tests/interop/methods.py
index b3591aef7b..03810338ed 100644
--- a/src/python/grpcio/tests/interop/methods.py
+++ b/src/python/grpcio/tests/interop/methods.py
@@ -29,6 +29,8 @@
 
 """Implementations of interoperability test methods."""
 
+from __future__ import print_function
+
 import enum
 import json
 import os
@@ -173,6 +175,9 @@ class _Pipe(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while not self._values and self._open:
@@ -205,7 +210,7 @@ def _ping_pong(stub):
 
   with stub, _Pipe() as pipe:
     response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT)
-    print 'Starting ping-pong with response iterator %s' % response_iterator
+    print('Starting ping-pong with response iterator %s' % response_iterator)
     for response_size, payload_size in zip(
         request_response_sizes, request_payload_sizes):
       request = messages_pb2.StreamingOutputCallRequest(
diff --git a/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py b/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
index ba5b219a88..6fba3d4271 100644
--- a/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
+++ b/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
@@ -42,6 +42,8 @@ import threading
 import time
 import unittest
 
+from six import moves
+
 from grpc.beta import implementations
 from grpc.framework.foundation import future
 from grpc.framework.interfaces.face import face
@@ -250,7 +252,7 @@ class PythonPluginTest(unittest.TestCase):
   def testImportAttributes(self):
     # check that we can access the generated module and its members.
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     self.assertIsNotNone(getattr(test_pb2, SERVICER_IDENTIFIER, None))
     self.assertIsNotNone(getattr(test_pb2, STUB_IDENTIFIER, None))
     self.assertIsNotNone(getattr(test_pb2, SERVER_FACTORY_IDENTIFIER, None))
@@ -258,13 +260,13 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUpDown(self):
     import protoc_plugin_test_pb2 as test_pb2
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (servicer, stub):
       request = test_pb2.SimpleRequest(response_size=13)
 
   def testUnaryCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request = test_pb2.SimpleRequest(response_size=13)
       response = stub.UnaryCall(request, test_constants.LONG_TIMEOUT)
@@ -273,7 +275,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFuture(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       # Check that the call does not block waiting for the server to respond.
@@ -286,7 +288,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request = test_pb2.SimpleRequest(response_size=13)
       with methods.pause():
@@ -297,7 +299,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -307,7 +309,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -317,20 +319,20 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       responses = stub.StreamingOutputCall(
           request, test_constants.LONG_TIMEOUT)
       expected_responses = methods.StreamingOutputCall(
           request, 'not a real RpcContext!')
-      for expected_response, response in itertools.izip_longest(
+      for expected_response, response in moves.zip_longest(
           expected_responses, responses):
         self.assertEqual(expected_response, response)
 
   def testStreamingOutputCallExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -341,7 +343,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCallCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (unused_methods, stub):
       responses = stub.StreamingOutputCall(
@@ -353,7 +355,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCallFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -364,7 +366,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       response = stub.StreamingInputCall(
           _streaming_input_request_iterator(test_pb2),
@@ -375,7 +377,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFuture(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -388,7 +390,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -401,7 +403,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -414,7 +416,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
         response_future = stub.StreamingInputCall.future(
@@ -424,19 +426,19 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       responses = stub.FullDuplexCall(
           _full_duplex_request_iterator(test_pb2), test_constants.LONG_TIMEOUT)
       expected_responses = methods.FullDuplexCall(
           _full_duplex_request_iterator(test_pb2), 'not a real RpcContext!')
-      for expected_response, response in itertools.izip_longest(
+      for expected_response, response in moves.zip_longest(
           expected_responses, responses):
         self.assertEqual(expected_response, response)
 
   def testFullDuplexCallExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request_iterator = _full_duplex_request_iterator(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -447,7 +449,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCallCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request_iterator = _full_duplex_request_iterator(test_pb2)
       responses = stub.FullDuplexCall(
@@ -459,7 +461,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCallFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request_iterator = _full_duplex_request_iterator(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -471,7 +473,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testHalfDuplexCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       def half_duplex_request_iterator():
         request = test_pb2.StreamingOutputCallRequest()
@@ -485,13 +487,13 @@ class PythonPluginTest(unittest.TestCase):
           half_duplex_request_iterator(), test_constants.LONG_TIMEOUT)
       expected_responses = methods.HalfDuplexCall(
           half_duplex_request_iterator(), 'not a real RpcContext!')
-      for check in itertools.izip_longest(expected_responses, responses):
+      for check in moves.zip_longest(expected_responses, responses):
         expected_response, response = check
         self.assertEqual(expected_response, response)
 
   def testHalfDuplexCallWedged(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     condition = threading.Condition()
     wait_cell = [False]
     @contextlib.contextmanager
diff --git a/src/python/grpcio/tests/tests.json b/src/python/grpcio/tests/tests.json
new file mode 100644
index 0000000000..84870aaa5c
--- /dev/null
+++ b/src/python/grpcio/tests/tests.json
@@ -0,0 +1,53 @@
+[
+  "_base_interface_test.AsyncEasyTest", 
+  "_base_interface_test.AsyncPeasyTest", 
+  "_base_interface_test.SyncEasyTest", 
+  "_base_interface_test.SyncPeasyTest", 
+  "_beta_features_test.BetaFeaturesTest", 
+  "_beta_features_test.ContextManagementAndLifecycleTest", 
+  "_channel_test.ChannelTest", 
+  "_connectivity_channel_test.ChannelConnectivityTest", 
+  "_core_over_links_base_interface_test.AsyncEasyTest", 
+  "_core_over_links_base_interface_test.AsyncPeasyTest", 
+  "_core_over_links_base_interface_test.SyncEasyTest", 
+  "_core_over_links_base_interface_test.SyncPeasyTest", 
+  "_crust_over_core_face_interface_test.DynamicInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_face_interface_test.DynamicInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_crust_over_core_face_interface_test.GenericInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_face_interface_test.GenericInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_crust_over_core_face_interface_test.MultiCallableInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_face_interface_test.MultiCallableInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.DynamicInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.DynamicInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.GenericInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.GenericInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.MultiCallableInvokerBlockingInvocationInlineServiceTest", 
+  "_crust_over_core_over_links_face_interface_test.MultiCallableInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_face_interface_test.DynamicInvokerBlockingInvocationInlineServiceTest", 
+  "_face_interface_test.DynamicInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_face_interface_test.GenericInvokerBlockingInvocationInlineServiceTest", 
+  "_face_interface_test.GenericInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_face_interface_test.MultiCallableInvokerBlockingInvocationInlineServiceTest", 
+  "_face_interface_test.MultiCallableInvokerFutureInvocationAsynchronousEventServiceTest", 
+  "_implementations_test.ChannelCredentialsTest", 
+  "_insecure_interop_test.InsecureInteropTest", 
+  "_intermediary_low_test.CancellationTest", 
+  "_intermediary_low_test.EchoTest", 
+  "_intermediary_low_test.ExpirationTest", 
+  "_intermediary_low_test.LonelyClientTest", 
+  "_later_test.LaterTest", 
+  "_logging_pool_test.LoggingPoolTest", 
+  "_lonely_invocation_link_test.LonelyInvocationLinkTest", 
+  "_low_test.HangingServerShutdown", 
+  "_low_test.InsecureServerInsecureClient", 
+  "_not_found_test.NotFoundTest", 
+  "_sanity_test.Sanity", 
+  "_secure_interop_test.SecureInteropTest", 
+  "_transmission_test.RoundTripTest", 
+  "_transmission_test.TransmissionTest", 
+  "_utilities_test.ChannelConnectivityTest", 
+  "beta_python_plugin_test.PythonPluginTest", 
+  "cygrpc_test.InsecureServerInsecureClient", 
+  "cygrpc_test.SecureServerSecureClient", 
+  "cygrpc_test.TypeSmokeTest"
+]
\ No newline at end of file
diff --git a/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py b/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
index a6fd82388c..22d4b019c7 100644
--- a/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
+++ b/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
@@ -29,11 +29,13 @@
 
 """Tests for the old '_low'."""
 
-import Queue
 import threading
 import time
 import unittest
 
+import six
+from six.moves import queue
+
 from grpc._adapter import _intermediary_low as _low
 
 _STREAM_LENGTH = 300
@@ -67,7 +69,7 @@ class LonelyClientTest(unittest.TestCase):
     second_event = completion_queue.get(after_deadline)
     self.assertIsNotNone(second_event)
     kinds = [event.kind for event in (first_event, second_event)]
-    self.assertItemsEqual(
+    six.assertCountEqual(self,
         (_low.Event.Kind.METADATA_ACCEPTED, _low.Event.Kind.FINISH),
         kinds)
 
@@ -99,7 +101,7 @@ class EchoTest(unittest.TestCase):
     self.server = _low.Server(self.server_completion_queue)
     port = self.server.add_http2_addr('[::]:0')
     self.server.start()
-    self.server_events = Queue.Queue()
+    self.server_events = queue.Queue()
     self.server_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.server_completion_queue, self.server_events))
@@ -107,7 +109,7 @@ class EchoTest(unittest.TestCase):
 
     self.client_completion_queue = _low.CompletionQueue()
     self.channel = _low.Channel('%s:%d' % (self.host, port), None)
-    self.client_events = Queue.Queue()
+    self.client_events = queue.Queue()
     self.client_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.client_completion_queue, self.client_events))
@@ -315,7 +317,7 @@ class CancellationTest(unittest.TestCase):
     self.server = _low.Server(self.server_completion_queue)
     port = self.server.add_http2_addr('[::]:0')
     self.server.start()
-    self.server_events = Queue.Queue()
+    self.server_events = queue.Queue()
     self.server_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.server_completion_queue, self.server_events))
@@ -323,7 +325,7 @@ class CancellationTest(unittest.TestCase):
 
     self.client_completion_queue = _low.CompletionQueue()
     self.channel = _low.Channel('%s:%d' % (self.host, port), None)
-    self.client_events = Queue.Queue()
+    self.client_events = queue.Queue()
     self.client_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.client_completion_queue, self.client_events))
diff --git a/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py b/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
index f55a7a23ea..7a90eacf77 100644
--- a/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
+++ b/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
@@ -32,12 +32,13 @@
 import abc
 import threading
 
+import six
+
 from tests.unit._junkdrawer import math_pb2
 
 
-class ProtoScenario(object):
+class ProtoScenario(six.with_metaclass(abc.ABCMeta)):
   """An RPC test scenario using protocol buffers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def method(self):
diff --git a/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py b/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
index efc990421a..2b8981c752 100644
--- a/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
+++ b/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
@@ -35,6 +35,8 @@ import random
 import time
 import unittest
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import invocation
 from grpc._links import service
@@ -68,7 +70,7 @@ def _serialization_behaviors_from_serializations(serializations):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), serialization in serializations.iteritems():
+  for (group, method), serialization in six.iteritems(serializations):
     request_serializers[group, method] = serialization.serialize_request
     request_deserializers[group, method] = serialization.deserialize_request
     response_serializers[group, method] = serialization.serialize_response
diff --git a/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py b/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
index 4faaaadc2b..50b9a5a824 100644
--- a/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import invocation
 from grpc._links import service
@@ -59,7 +61,7 @@ def _serialization_behaviors_from_test_methods(test_methods):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), test_method in test_methods.iteritems():
+  for (group, method), test_method in six.iteritems(test_methods):
     request_serializers[group, method] = test_method.serialize_request
     request_deserializers[group, method] = test_method.deserialize_request
     response_serializers[group, method] = test_method.serialize_response
@@ -108,7 +110,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
     dynamic_stub = crust_implementations.dynamic_stub(
         invocation_end_link, group, cardinalities, pool)
 
diff --git a/src/python/grpcio/tests/unit/_links/_proto_scenarios.py b/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
index f69ff51b16..50661085f9 100644
--- a/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
+++ b/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
@@ -32,13 +32,14 @@
 import abc
 import threading
 
+import six
+
 from tests.unit._junkdrawer import math_pb2
 from tests.unit.framework.common import test_constants
 
 
-class ProtoScenario(object):
+class ProtoScenario(six.with_metaclass(abc.ABCMeta)):
   """An RPC test scenario using protocol buffers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def group_and_method(self):
diff --git a/src/python/grpcio/tests/unit/_sanity/__init__.py b/src/python/grpcio/tests/unit/_sanity/__init__.py
new file mode 100644
index 0000000000..2f88fa0412
--- /dev/null
+++ b/src/python/grpcio/tests/unit/_sanity/__init__.py
@@ -0,0 +1,30 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
diff --git a/src/python/grpcio/tests/unit/_sanity/_sanity_test.py b/src/python/grpcio/tests/unit/_sanity/_sanity_test.py
new file mode 100644
index 0000000000..0a5a715c0e
--- /dev/null
+++ b/src/python/grpcio/tests/unit/_sanity/_sanity_test.py
@@ -0,0 +1,53 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import json
+import unittest
+
+import tests
+
+
+class Sanity(unittest.TestCase):
+
+  def testTestsJsonUpToDate(self):
+    """Autodiscovers all test suites and checks that tests.json is up to date"""
+    loader = tests.Loader()
+    loader.loadTestsFromNames(['tests'])
+    test_suite_names = [
+        test_case_class.id().rsplit('.', 1)[0]
+        for test_case_class in tests._loader.iterate_suite_cases(loader.suite)]
+    test_suite_names = sorted(set(test_suite_names))
+
+    with open('src/python/grpcio/tests/tests.json') as tests_json_file:
+      tests_json = json.load(tests_json_file)
+    self.assertListEqual(test_suite_names, tests_json)
+
+
+if __name__ == '__main__':
+  unittest.main(verbosity=2)
diff --git a/src/python/grpcio/tests/unit/beta/_beta_features_test.py b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
index ea44177b49..bb2893a21b 100644
--- a/src/python/grpcio/tests/unit/beta/_beta_features_test.py
+++ b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
@@ -125,6 +125,9 @@ class _BlockingIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while True:
@@ -180,7 +183,7 @@ class BetaFeaturesTest(unittest.TestCase):
     port = self._server.add_secure_port('[::]:0', server_credentials)
     self._server.start()
     self._channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self._call_credentials = implementations.metadata_call_credentials(
         _metadata_plugin)
     channel = test_utilities.not_really_secure_channel(
@@ -293,7 +296,7 @@ class ContextManagementAndLifecycleTest(unittest.TestCase):
     self._server_credentials = implementations.ssl_server_credentials(
         [(resources.private_key(), resources.certificate_chain(),),])
     self._channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self._stub_options = implementations.stub_options(
         thread_pool_size=test_constants.POOL_SIZE)
 
diff --git a/src/python/grpcio/tests/unit/beta/_face_interface_test.py b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
index 1c21dfd03d..3a67516906 100644
--- a/src/python/grpcio/tests/unit/beta/_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc.beta import implementations
 from grpc.beta import interfaces
 from tests.unit import resources
@@ -57,7 +59,7 @@ def _serialization_behaviors_from_test_methods(test_methods):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), test_method in test_methods.iteritems():
+  for (group, method), test_method in six.iteritems(test_methods):
     request_serializers[group, method] = test_method.serialize_request
     request_deserializers[group, method] = test_method.deserialize_request
     response_serializers[group, method] = test_method.serialize_response
@@ -79,7 +81,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
 
     server_options = implementations.server_options(
         request_deserializers=serialization_behaviors.request_deserializers,
@@ -92,7 +94,7 @@ class _Implementation(test_interfaces.Implementation):
     port = server.add_secure_port('[::]:0', server_credentials)
     server.start()
     channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     channel = test_utilities.not_really_secure_channel(
         'localhost', port, channel_credentials, _SERVER_HOST_OVERRIDE)
     stub_options = implementations.stub_options(
diff --git a/src/python/grpcio/tests/unit/beta/_implementations_test.py b/src/python/grpcio/tests/unit/beta/_implementations_test.py
index 6b32305af7..26be670c45 100644
--- a/src/python/grpcio/tests/unit/beta/_implementations_test.py
+++ b/src/python/grpcio/tests/unit/beta/_implementations_test.py
@@ -38,14 +38,13 @@ from tests.unit import resources
 class ChannelCredentialsTest(unittest.TestCase):
 
   def test_runtime_provided_root_certificates(self):
-    channel_credentials = implementations.ssl_channel_credentials(
-        None, None, None)
+    channel_credentials = implementations.ssl_channel_credentials()
     self.assertIsInstance(
         channel_credentials, implementations.ChannelCredentials)
   
   def test_application_provided_root_certificates(self):
     channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self.assertIsInstance(
         channel_credentials, implementations.ChannelCredentials)
 
diff --git a/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py b/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
index 360ecc95d5..43457be362 100644
--- a/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc.framework.core import implementations as core_implementations
 from grpc.framework.crust import implementations as crust_implementations
 from grpc.framework.foundation import logging_pool
@@ -66,7 +68,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
     dynamic_stub = crust_implementations.dynamic_stub(
         invocation_end_link, group, cardinalities, pool)
 
diff --git a/src/python/grpcio/tests/unit/framework/common/test_constants.py b/src/python/grpcio/tests/unit/framework/common/test_constants.py
index 9f1fb8471c..8d89101e09 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_constants.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_constants.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/common/test_control.py b/src/python/grpcio/tests/unit/framework/common/test_control.py
index 8d6eba5c2c..ca5ba3a854 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_control.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_control.py
@@ -33,6 +33,8 @@ import abc
 import contextlib
 import threading
 
+import six
+
 
 class Defect(Exception):
   """Simulates a programming defect raised into in a system under test.
@@ -42,7 +44,7 @@ class Defect(Exception):
   """
 
 
-class Control(object):
+class Control(six.with_metaclass(abc.ABCMeta)):
   """An object that accepts program control from a system under test.
 
   Systems under test passed a Control should call its control() method
@@ -51,8 +53,6 @@ class Control(object):
   the system under test to simulate hanging, failing, or functioning.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def control(self):
     """Potentially does anything."""
diff --git a/src/python/grpcio/tests/unit/framework/common/test_coverage.py b/src/python/grpcio/tests/unit/framework/common/test_coverage.py
index a7ed3582c4..ea2d2812ce 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_coverage.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_coverage.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 # This code is designed for use with the unittest module.
 # pylint: disable=invalid-name
 
 
-class Coverage(object):
+class Coverage(six.with_metaclass(abc.ABCMeta)):
   """Specification of test coverage."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def testSuccessfulUnaryRequestUnaryResponse(self):
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/base_util.py b/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
index 1df1529b27..59652b3e90 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.base import util as _base_util
 from grpc.framework.base import implementations
@@ -43,7 +45,7 @@ _POOL_SIZE_LIMIT = 5
 _MAXIMUM_TIMEOUT = 90
 
 
-class LinkedPair(object):
+class LinkedPair(six.with_metaclass(abc.ABCMeta)):
   """A Front and Back that are linked to one another.
 
   Attributes:
@@ -51,8 +53,6 @@ class LinkedPair(object):
     back: An interfaces.Back.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def shut_down(self):
     """Shuts down this object and releases its resources."""
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
index 0613516421..2ebe1a32a4 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
@@ -33,6 +33,8 @@
 import abc
 import unittest  # pylint: disable=unused-import
 
+import six
+
 from grpc.framework.face import exceptions
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.face.testing import control
@@ -43,12 +45,12 @@ from tests.unit.framework.face.testing import test_case
 
 
 class BlockingInvocationInlineServiceTestCase(
-    test_case.FaceTestCase, coverage.BlockingCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.BlockingCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -72,7 +74,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -83,7 +85,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -95,7 +97,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -106,7 +108,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -118,7 +120,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSequentialInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -135,7 +137,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -146,7 +148,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -158,7 +160,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -169,7 +171,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -181,7 +183,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -191,7 +193,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -202,7 +204,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -212,7 +214,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/control.py b/src/python/grpcio/tests/unit/framework/face/testing/control.py
index 3960c4e649..8425affcc9 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/control.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/control.py
@@ -33,8 +33,10 @@ import abc
 import contextlib
 import threading
 
+import six
 
-class Control(object):
+
+class Control(six.with_metaclass(abc.ABCMeta)):
   """An object that accepts program control from a system under test.
 
   Systems under test passed a Control should call its control() method
@@ -43,8 +45,6 @@ class Control(object):
   the system under test to simulate hanging, failing, or functioning.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def control(self):
     """Potentially does anything."""
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/coverage.py b/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
index f3aca113fe..3c88b7841a 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
@@ -31,15 +31,15 @@
 
 import abc
 
+import six
+
 # These classes are only valid when inherited by unittest.TestCases.
 # pylint: disable=invalid-name
 
 
-class BlockingCoverage(object):
+class BlockingCoverage(six.with_metaclass(abc.ABCMeta)):
   """Specification of test coverage for blocking behaviors."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def testSuccessfulUnaryRequestUnaryResponse(self):
     raise NotImplementedError()
@@ -93,11 +93,9 @@ class BlockingCoverage(object):
     raise NotImplementedError()
 
 
-class FullCoverage(BlockingCoverage):
+class FullCoverage(six.with_metaclass(abc.ABCMeta, BlockingCoverage)):
   """Specification of test coverage for non-blocking behaviors."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def testParallelInvocations(self):
     raise NotImplementedError()
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/digest.py b/src/python/grpcio/tests/unit/framework/face/testing/digest.py
index 39f28b9657..2b45aded20 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/digest.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/digest.py
@@ -32,6 +32,8 @@
 import collections
 import threading
 
+import six
+
 # testing_control, interfaces, and testing_service are referenced from
 # specification in this module.
 from grpc.framework.common import cardinality
@@ -368,7 +370,7 @@ def _assemble(
   events = {}
   adaptations = {}
   messages = {}
-  for name, scenario in scenarios.iteritems():
+  for name, scenario in six.iteritems(scenarios):
     if name in names:
       raise ValueError('Repeated name "%s"!' % name)
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
index 179f3a2f67..98b61e492c 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
@@ -32,6 +32,8 @@
 import abc
 import unittest
 
+import six
+
 from grpc.framework.face import interfaces
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.face.testing import callback as testing_callback
@@ -43,12 +45,12 @@ from tests.unit.framework.face.testing import test_case
 
 
 class EventInvocationSynchronousEventServiceTestCase(
-    test_case.FaceTestCase, coverage.FullCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.FullCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -72,7 +74,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -87,7 +89,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -102,7 +104,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -120,7 +122,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -138,7 +140,7 @@ class EventInvocationSynchronousEventServiceTestCase(
   def testSequentialInvocations(self):
     # pylint: disable=cell-var-from-loop
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -163,7 +165,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -178,7 +180,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -193,7 +195,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for unused_test_messages in test_messages_sequence:
         callback = testing_callback.Callback()
 
@@ -206,7 +208,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -221,7 +223,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -237,7 +239,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -253,7 +255,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -272,7 +274,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -289,7 +291,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testParallelInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         first_callback = testing_callback.Callback()
@@ -316,7 +318,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -332,7 +334,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -347,7 +349,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -364,7 +366,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for unused_test_messages in test_messages_sequence:
         callback = testing_callback.Callback()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
index 485524a356..cae791af97 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
@@ -34,6 +34,8 @@ import contextlib
 import threading
 import unittest
 
+import six
+
 from grpc.framework.face import exceptions
 from grpc.framework.foundation import future
 from grpc.framework.foundation import logging_pool
@@ -66,6 +68,9 @@ class _PauseableIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._paused:
@@ -74,12 +79,12 @@ class _PauseableIterator(object):
 
 
 class FutureInvocationAsynchronousEventServiceTestCase(
-    test_case.FaceTestCase, coverage.FullCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.FullCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -105,7 +110,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -117,7 +122,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -129,7 +134,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -145,7 +150,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -161,7 +166,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSequentialInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -180,7 +185,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -195,7 +200,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -207,7 +212,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -222,7 +227,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -234,7 +239,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -253,7 +258,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -268,7 +273,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -287,7 +292,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -302,7 +307,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testParallelInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -324,7 +329,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -338,7 +343,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -352,7 +357,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -366,7 +371,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py b/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
index 5932dabf1e..8a25f89c88 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 # cardinality is referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
 
 
-class Method(object):
+class Method(six.with_metaclass(abc.ABCMeta)):
   """An RPC method to be used in tests of RPC implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def name(self):
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/service.py b/src/python/grpcio/tests/unit/framework/face/testing/service.py
index ac0b89b6ee..3e4228cc07 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/service.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/service.py
@@ -31,16 +31,16 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
 from tests.unit.framework.face.testing import interfaces
 
 
-class UnaryUnaryTestMethodImplementation(interfaces.Method):
+class UnaryUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a unary-unary RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_callback, context, control):
     """Services an RPC that accepts one message and produces one message.
@@ -59,11 +59,9 @@ class UnaryUnaryTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryUnaryTestMessages(object):
+class UnaryUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -93,11 +91,9 @@ class UnaryUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMethodImplementation(interfaces.Method):
+class UnaryStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a unary-stream RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_consumer, context, control):
     """Services an RPC that takes one message and produces a stream of messages.
@@ -116,11 +112,9 @@ class UnaryStreamTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMessages(object):
+class UnaryStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -150,11 +144,9 @@ class UnaryStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMethodImplementation(interfaces.Method):
+class StreamUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a stream-unary RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_callback, context, control):
     """Services an RPC that takes a stream of messages and produces one message.
@@ -180,11 +172,9 @@ class StreamUnaryTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMessages(object):
+class StreamUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -214,11 +204,9 @@ class StreamUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamStreamTestMethodImplementation(interfaces.Method):
+class StreamStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a stream-stream RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_consumer, context, control):
     """Services an RPC that accepts and produces streams of messages.
@@ -244,11 +232,9 @@ class StreamStreamTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamStreamTestMessages(object):
+class StreamStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -278,11 +264,9 @@ class StreamStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class TestService(object):
+class TestService(six.with_metaclass(abc.ABCMeta)):
   """A specification of implemented RPC methods to use in tests."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def name(self):
     """Identifies the RPC service name used during the test.
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
index 23d4d919c2..f29d400844 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
@@ -31,18 +31,19 @@
 
 import abc
 
+import six
+
 # face_interfaces and interfaces are referenced in specification in this module.
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
 from tests.unit.framework.face.testing import interfaces  # pylint: disable=unused-import
 
 
-class FaceTestCase(object):
+class FaceTestCase(six.with_metaclass(abc.ABCMeta)):
   """Describes a test of the Face Layer of RPC Framework.
 
   Concrete subclasses must also inherit from unittest.TestCase and from at least
   one class that defines test methods.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_up_implementation(
diff --git a/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py b/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
index 0521e1c102..330e445d43 100644
--- a/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
+++ b/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py b/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
index 38102b198a..0eb38abf22 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
@@ -29,6 +29,8 @@
 
 """Part of the tests of the base interface of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import collections
 import enum
@@ -36,6 +38,8 @@ import random  # pylint: disable=unused-import
 import threading
 import time
 
+import six
+
 from grpc.framework.interfaces.base import base
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.interfaces.base import _sequence
@@ -45,8 +49,8 @@ from tests.unit.framework.interfaces.base import test_interfaces  # pylint: disa
 _GROUP = 'base test cases test group'
 _METHOD = 'base test cases test method'
 
-_PAYLOAD_RANDOM_SECTION_MAXIMUM_SIZE = test_constants.PAYLOAD_SIZE / 20
-_MINIMUM_PAYLOAD_SIZE = test_constants.PAYLOAD_SIZE / 600
+_PAYLOAD_RANDOM_SECTION_MAXIMUM_SIZE = test_constants.PAYLOAD_SIZE // 20
+_MINIMUM_PAYLOAD_SIZE = test_constants.PAYLOAD_SIZE // 600
 
 
 def _create_payload(randomness):
@@ -57,7 +61,7 @@ def _create_payload(randomness):
   random_section = bytes(
       bytearray(
           randomness.getrandbits(8) for _ in range(random_section_length)))
-  sevens_section = '\x07' * (length - random_section_length)
+  sevens_section = b'\x07' * (length - random_section_length)
   return b''.join(randomness.sample((random_section, sevens_section), 2))
 
 
@@ -247,8 +251,7 @@ class Instruction(
     CONCLUDE = 'CONCLUDE'
 
 
-class Controller(object):
-  __metaclass__ = abc.ABCMeta
+class Controller(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def failed(self, message):
@@ -308,8 +311,7 @@ class Controller(object):
     raise NotImplementedError()
 
 
-class ControllerCreator(object):
-  __metaclass__ = abc.ABCMeta
+class ControllerCreator(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def name(self):
@@ -385,13 +387,13 @@ class _SequenceController(Controller):
     return request + request
 
   def deserialize_request(self, serialized_request):
-    return serialized_request[:len(serialized_request) / 2]
+    return serialized_request[:len(serialized_request) // 2]
 
   def serialize_response(self, response):
     return response * 3
 
   def deserialize_response(self, serialized_response):
-    return serialized_response[2 * len(serialized_response) / 3:]
+    return serialized_response[2 * len(serialized_response) // 3:]
 
   def invocation(self):
     with self._condition:
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py b/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
index 84afd24d47..5eba475ba8 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
@@ -31,12 +31,13 @@
 
 import abc
 
+import six
+
 from grpc.framework.interfaces.base import base  # pylint: disable=unused-import
 
 
-class Serialization(object):
+class Serialization(six.with_metaclass(abc.ABCMeta)):
   """Specifies serialization and deserialization of test payloads."""
-  __metaclass__ = abc.ABCMeta
 
   def serialize_request(self, request):
     """Serializes a request value used in a test.
@@ -85,9 +86,8 @@ class Serialization(object):
     raise NotImplementedError()
 
 
-class Implementation(object):
+class Implementation(six.with_metaclass(abc.ABCMeta)):
   """Specifies an implementation of the Base layer."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def instantiate(self, serializations, servicer):
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
index c8a3a1bc74..649892463a 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,11 +29,15 @@
 
 """Test code for the Face layer of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import itertools
 import unittest
 from concurrent import futures
 
+import six
+
 # test_interfaces is referenced from specification in this module.
 from grpc.framework.foundation import logging_pool
 from grpc.framework.interfaces.face import face
@@ -46,14 +50,13 @@ from tests.unit.framework.interfaces.face import _stock_service
 from tests.unit.framework.interfaces.face import test_interfaces  # pylint: disable=unused-import
 
 
-class TestCase(test_coverage.Coverage, unittest.TestCase):
+class TestCase(six.with_metaclass(abc.ABCMeta, test_coverage.Coverage, unittest.TestCase)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must have an "implementation" attribute of type
   test_interfaces.Implementation and an "invoker_constructor" attribute of type
   _invocation.InvokerConstructor.
   """
-  __metaclass__ = abc.ABCMeta
 
   NAME = 'BlockingInvocationInlineServiceTest'
 
@@ -81,7 +84,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -92,7 +95,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -104,7 +107,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -115,7 +118,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -127,7 +130,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSequentialInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -145,7 +148,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures = []
@@ -167,7 +170,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testWaitingForSomeButNotAllParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures_to_indices = {}
@@ -181,7 +184,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
         some_completed_response_futures_iterator = itertools.islice(
             futures.as_completed(response_futures_to_indices),
-            test_constants.PARALLELISM / 2)
+            test_constants.PARALLELISM // 2)
         for response_future in some_completed_response_futures_iterator:
           index = response_futures_to_indices[response_future]
           test_messages.verify(requests[index], response_future.result(), self)
@@ -205,7 +208,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -216,7 +219,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -228,7 +231,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -239,7 +242,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -251,7 +254,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -261,7 +264,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -272,7 +275,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -282,7 +285,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
index 9304b6b1db..f0befb0b27 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
@@ -32,6 +32,8 @@
 import collections
 import threading
 
+import six
+
 # test_control, _service, and test_interfaces are referenced from specification
 # in this module.
 from grpc.framework.common import cardinality
@@ -363,7 +365,7 @@ def _assemble(
   events = {}
   adaptations = {}
   messages = {}
-  for identifier, scenario in scenarios.iteritems():
+  for identifier, scenario in six.iteritems(scenarios):
     if identifier in identifiers:
       raise ValueError('Repeated identifier "(%s, %s)"!' % identifier)
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_event_invocation_synchronous_event_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_event_invocation_synchronous_event_service.py
deleted file mode 100644
index 34db6c3e55..0000000000
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_event_invocation_synchronous_event_service.py
+++ /dev/null
@@ -1,381 +0,0 @@
-# Copyright 2015, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""Test code for the Face layer of RPC Framework."""
-
-import abc
-import unittest
-
-# test_interfaces is referenced from specification in this module.
-from grpc.framework.interfaces.face import face
-from tests.unit.framework.common import test_constants
-from tests.unit.framework.common import test_control
-from tests.unit.framework.common import test_coverage
-from tests.unit.framework.interfaces.face import _3069_test_constant
-from tests.unit.framework.interfaces.face import _digest
-from tests.unit.framework.interfaces.face import _receiver
-from tests.unit.framework.interfaces.face import _stock_service
-from tests.unit.framework.interfaces.face import test_interfaces  # pylint: disable=unused-import
-
-
-class TestCase(test_coverage.Coverage, unittest.TestCase):
-  """A test of the Face layer of RPC Framework.
-
-  Concrete subclasses must have an "implementation" attribute of type
-  test_interfaces.Implementation and an "invoker_constructor" attribute of type
-  _invocation.InvokerConstructor.
-  """
-  __metaclass__ = abc.ABCMeta
-
-  NAME = 'EventInvocationSynchronousEventServiceTest'
-
-  def setUp(self):
-    """See unittest.TestCase.setUp for full specification.
-
-    Overriding implementations must call this implementation.
-    """
-    self._control = test_control.PauseFailControl()
-    self._digest = _digest.digest(
-        _stock_service.STOCK_TEST_SERVICE, self._control, None)
-
-    generic_stub, dynamic_stubs, self._memo = self.implementation.instantiate(
-        self._digest.methods, self._digest.event_method_implementations, None)
-    self._invoker = self.invoker_constructor.construct_invoker(
-        generic_stub, dynamic_stubs, self._digest.methods)
-
-  def tearDown(self):
-    """See unittest.TestCase.tearDown for full specification.
-
-    Overriding implementations must call this implementation.
-    """
-    self._invoker = None
-    self.implementation.destantiate(self._memo)
-
-  def testSuccessfulUnaryRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        self._invoker.event(group, method)(
-            request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        receiver.block_until_terminated()
-        response = receiver.unary_response()
-
-        test_messages.verify(request, response, self)
-
-  def testSuccessfulUnaryRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        self._invoker.event(group, method)(
-            request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        receiver.block_until_terminated()
-        responses = receiver.stream_responses()
-
-        test_messages.verify(request, responses, self)
-
-  def testSuccessfulStreamRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        call_consumer = self._invoker.event(group, method)(
-            receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        for request in requests:
-          call_consumer.consume(request)
-        call_consumer.terminate()
-        receiver.block_until_terminated()
-        response = receiver.unary_response()
-
-        test_messages.verify(requests, response, self)
-
-  def testSuccessfulStreamRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        call_consumer = self._invoker.event(group, method)(
-            receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        for request in requests:
-          call_consumer.consume(request)
-        call_consumer.terminate()
-        receiver.block_until_terminated()
-        responses = receiver.stream_responses()
-
-        test_messages.verify(requests, responses, self)
-
-  def testSequentialInvocations(self):
-    # pylint: disable=cell-var-from-loop
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        first_request = test_messages.request()
-        second_request = test_messages.request()
-        second_receiver = _receiver.Receiver()
-
-        def make_second_invocation():
-          self._invoker.event(group, method)(
-              second_request, second_receiver, second_receiver.abort,
-              test_constants.LONG_TIMEOUT)
-
-        class FirstReceiver(_receiver.Receiver):
-
-          def complete(self, terminal_metadata, code, details):
-            super(FirstReceiver, self).complete(
-                terminal_metadata, code, details)
-            make_second_invocation()
-
-        first_receiver = FirstReceiver()
-
-        self._invoker.event(group, method)(
-            first_request, first_receiver, first_receiver.abort,
-            test_constants.LONG_TIMEOUT)
-        second_receiver.block_until_terminated()
-
-        first_response = first_receiver.unary_response()
-        second_response = second_receiver.unary_response()
-        test_messages.verify(first_request, first_response, self)
-        test_messages.verify(second_request, second_response, self)
-
-  def testParallelInvocations(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        first_request = test_messages.request()
-        first_receiver = _receiver.Receiver()
-        second_request = test_messages.request()
-        second_receiver = _receiver.Receiver()
-
-        self._invoker.event(group, method)(
-            first_request, first_receiver, first_receiver.abort,
-            test_constants.LONG_TIMEOUT)
-        self._invoker.event(group, method)(
-            second_request, second_receiver, second_receiver.abort,
-            test_constants.LONG_TIMEOUT)
-        first_receiver.block_until_terminated()
-        second_receiver.block_until_terminated()
-
-        first_response = first_receiver.unary_response()
-        second_response = second_receiver.unary_response()
-        test_messages.verify(first_request, first_response, self)
-        test_messages.verify(second_request, second_response, self)
-
-  @unittest.skip('TODO(nathaniel): implement.')
-  def testWaitingForSomeButNotAllParallelInvocations(self):
-    raise NotImplementedError()
-
-  def testCancelledUnaryRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        with self._control.pause():
-          call = self._invoker.event(group, method)(
-              request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-          call.cancel()
-          receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.CANCELLED, receiver.abortion().kind)
-
-  def testCancelledUnaryRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        call = self._invoker.event(group, method)(
-            request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        call.cancel()
-        receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.CANCELLED, receiver.abortion().kind)
-
-  def testCancelledStreamRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        call_consumer = self._invoker.event(group, method)(
-            receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        for request in requests:
-          call_consumer.consume(request)
-        call_consumer.cancel()
-        receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.CANCELLED, receiver.abortion().kind)
-
-  def testCancelledStreamRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
-      for unused_test_messages in test_messages_sequence:
-        receiver = _receiver.Receiver()
-
-        call_consumer = self._invoker.event(group, method)(
-            receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-        call_consumer.cancel()
-        receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.CANCELLED, receiver.abortion().kind)
-
-  def testExpiredUnaryRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        with self._control.pause():
-          self._invoker.event(group, method)(
-              request, receiver, receiver.abort,
-              _3069_test_constant.REALLY_SHORT_TIMEOUT)
-          receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.EXPIRED, receiver.abortion().kind)
-
-  def testExpiredUnaryRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        with self._control.pause():
-          self._invoker.event(group, method)(
-              request, receiver, receiver.abort,
-              _3069_test_constant.REALLY_SHORT_TIMEOUT)
-          receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.EXPIRED, receiver.abortion().kind)
-
-  def testExpiredStreamRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
-      for unused_test_messages in test_messages_sequence:
-        receiver = _receiver.Receiver()
-
-        self._invoker.event(group, method)(
-            receiver, receiver.abort, _3069_test_constant.REALLY_SHORT_TIMEOUT)
-        receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.EXPIRED, receiver.abortion().kind)
-
-  def testExpiredStreamRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        call_consumer = self._invoker.event(group, method)(
-            receiver, receiver.abort, _3069_test_constant.REALLY_SHORT_TIMEOUT)
-        for request in requests:
-          call_consumer.consume(request)
-        receiver.block_until_terminated()
-
-        self.assertIs(face.Abortion.Kind.EXPIRED, receiver.abortion().kind)
-
-  def testFailedUnaryRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        with self._control.fail():
-          self._invoker.event(group, method)(
-              request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-          receiver.block_until_terminated()
-
-        self.assertIs(
-            face.Abortion.Kind.REMOTE_FAILURE, receiver.abortion().kind)
-
-  def testFailedUnaryRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        request = test_messages.request()
-        receiver = _receiver.Receiver()
-
-        with self._control.fail():
-          self._invoker.event(group, method)(
-              request, receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-          receiver.block_until_terminated()
-
-        self.assertIs(
-            face.Abortion.Kind.REMOTE_FAILURE, receiver.abortion().kind)
-
-  def testFailedStreamRequestUnaryResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        with self._control.fail():
-          call_consumer = self._invoker.event(group, method)(
-              receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-          for request in requests:
-            call_consumer.consume(request)
-          call_consumer.terminate()
-          receiver.block_until_terminated()
-
-        self.assertIs(
-            face.Abortion.Kind.REMOTE_FAILURE, receiver.abortion().kind)
-
-  def testFailedStreamRequestStreamResponse(self):
-    for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
-      for test_messages in test_messages_sequence:
-        requests = test_messages.requests()
-        receiver = _receiver.Receiver()
-
-        with self._control.fail():
-          call_consumer = self._invoker.event(group, method)(
-              receiver, receiver.abort, test_constants.LONG_TIMEOUT)
-          for request in requests:
-            call_consumer.consume(request)
-          call_consumer.terminate()
-          receiver.block_until_terminated()
-
-        self.assertIs(
-            face.Abortion.Kind.REMOTE_FAILURE, receiver.abortion().kind)
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
index 1d36a931e8..c3813d5f3a 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,6 +29,8 @@
 
 """Test code for the Face layer of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import contextlib
 import itertools
@@ -36,6 +38,8 @@ import threading
 import unittest
 from concurrent import futures
 
+import six
+
 # test_interfaces is referenced from specification in this module.
 from grpc.framework.foundation import logging_pool
 from grpc.framework.interfaces.face import face
@@ -67,6 +71,9 @@ class _PauseableIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._paused:
@@ -104,14 +111,13 @@ class _Callback(object):
           self._condition.wait()
 
 
-class TestCase(test_coverage.Coverage, unittest.TestCase):
+class TestCase(six.with_metaclass(abc.ABCMeta, test_coverage.Coverage, unittest.TestCase)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must have an "implementation" attribute of type
   test_interfaces.Implementation and an "invoker_constructor" attribute of type
   _invocation.InvokerConstructor.
   """
-  __metaclass__ = abc.ABCMeta
 
   NAME = 'FutureInvocationAsynchronousEventServiceTest'
 
@@ -141,7 +147,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -156,7 +162,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -168,7 +174,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -188,7 +194,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -204,7 +210,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSequentialInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -223,7 +229,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testParallelInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -239,7 +245,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
         test_messages.verify(second_request, second_response, self)
 
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures = []
@@ -259,7 +265,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testWaitingForSomeButNotAllParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures_to_indices = {}
@@ -273,7 +279,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
         some_completed_response_futures_iterator = itertools.islice(
             futures.as_completed(response_futures_to_indices),
-            test_constants.PARALLELISM / 2)
+            test_constants.PARALLELISM // 2)
         for response_future in some_completed_response_futures_iterator:
           index = response_futures_to_indices[response_future]
           test_messages.verify(requests[index], response_future.result(), self)
@@ -281,7 +287,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -298,7 +304,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -312,7 +318,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -329,7 +335,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -343,7 +349,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -360,7 +366,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -372,7 +378,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -389,7 +395,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -401,7 +407,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -423,7 +429,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -438,7 +444,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -460,7 +466,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
index 448e845a08..ac487bed4f 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.common import cardinality
 
 _CARDINALITY_TO_GENERIC_BLOCKING_BEHAVIOR = {
@@ -62,9 +64,8 @@ _CARDINALITY_TO_MULTI_CALLABLE_ATTRIBUTE = {
 }
 
 
-class Invoker(object):
+class Invoker(six.with_metaclass(abc.ABCMeta)):
   """A type used to invoke test RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking(self, group, name):
@@ -82,9 +83,8 @@ class Invoker(object):
     raise NotImplementedError()
 
 
-class InvokerConstructor(object):
+class InvokerConstructor(six.with_metaclass(abc.ABCMeta)):
   """A type used to create Invokers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def name(self):
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
index 42a7f4e3b8..48f31fc677 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
index 28941e2ad0..f13dff0558 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
@@ -31,16 +31,16 @@
 
 import abc
 
+import six
+
 # face is referenced from specification in this module.
 from grpc.framework.interfaces.face import face  # pylint: disable=unused-import
 from tests.unit.framework.interfaces.face import test_interfaces
 
 
-class UnaryUnaryTestMethodImplementation(test_interfaces.Method):
+class UnaryUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a unary-unary method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_callback, context, control):
     """Services an RPC that accepts one message and produces one message.
@@ -59,11 +59,9 @@ class UnaryUnaryTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryUnaryTestMessages(object):
+class UnaryUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -93,11 +91,9 @@ class UnaryUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMethodImplementation(test_interfaces.Method):
+class UnaryStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a unary-stream method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_consumer, context, control):
     """Services an RPC that takes one message and produces a stream of messages.
@@ -116,11 +112,9 @@ class UnaryStreamTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMessages(object):
+class UnaryStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -150,11 +144,9 @@ class UnaryStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMethodImplementation(test_interfaces.Method):
+class StreamUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a stream-unary method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_callback, context, control):
     """Services an RPC that takes a stream of messages and produces one message.
@@ -180,11 +172,9 @@ class StreamUnaryTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMessages(object):
+class StreamUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -214,11 +204,9 @@ class StreamUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamStreamTestMethodImplementation(test_interfaces.Method):
+class StreamStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a stream-stream method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_consumer, context, control):
     """Services an RPC that accepts and produces streams of messages.
@@ -244,11 +232,9 @@ class StreamStreamTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamStreamTestMessages(object):
+class StreamStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -278,11 +264,9 @@ class StreamStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class TestService(object):
+class TestService(six.with_metaclass(abc.ABCMeta)):
   """A specification of implemented methods to use in tests."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def unary_unary_scenarios(self):
     """Affords unary-request-unary-response test methods and their messages.
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py b/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
index 462829b660..71de9d835e 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
@@ -34,14 +34,12 @@ import unittest  # pylint: disable=unused-import
 
 # test_interfaces is referenced from specification in this module.
 from tests.unit.framework.interfaces.face import _blocking_invocation_inline_service
-from tests.unit.framework.interfaces.face import _event_invocation_synchronous_event_service
 from tests.unit.framework.interfaces.face import _future_invocation_asynchronous_event_service
 from tests.unit.framework.interfaces.face import _invocation
 from tests.unit.framework.interfaces.face import test_interfaces  # pylint: disable=unused-import
 
 _TEST_CASE_SUPERCLASSES = (
     _blocking_invocation_inline_service.TestCase,
-    _event_invocation_synchronous_event_service.TestCase,
     _future_invocation_asynchronous_event_service.TestCase,
 )
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py b/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
index b2b5c10fa6..40f38e68ba 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
 from grpc.framework.interfaces.face import face  # pylint: disable=unused-import
 
 
-class Method(object):
+class Method(six.with_metaclass(abc.ABCMeta)):
   """Specifies a method to be used in tests."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def group(self):
@@ -126,9 +127,8 @@ class Method(object):
     raise NotImplementedError()
 
 
-class Implementation(object):
+class Implementation(six.with_metaclass(abc.ABCMeta)):
   """Specifies an implementation of the Face layer."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def instantiate(
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py b/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
index dace6c23f3..608e64119e 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
@@ -33,6 +33,8 @@
 import abc
 import unittest  # pylint: disable=unused-import
 
+import six
+
 from grpc.framework.interfaces.links import links
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.interfaces.links import test_utilities
@@ -58,13 +60,12 @@ _TRANSMISSION_GROUP = 'test.Group'
 _TRANSMISSION_METHOD = 'TestMethod'
 
 
-class TransmissionTest(object):
+class TransmissionTest(six.with_metaclass(abc.ABCMeta)):
   """Tests ticket transmission between two connected links.
 
   This class must be mixed into a unittest.TestCase that implements the abstract
   methods it provides.
   """
-  __metaclass__ = abc.ABCMeta
 
   # This is a unittest.TestCase mix-in.
   # pylint: disable=invalid-name
diff --git a/src/python/grpcio/tests/unit/test_common.py b/src/python/grpcio/tests/unit/test_common.py
index 29431bfb9d..7b4d20dccb 100644
--- a/src/python/grpcio/tests/unit/test_common.py
+++ b/src/python/grpcio/tests/unit/test_common.py
@@ -31,6 +31,8 @@
 
 import collections
 
+import six
+
 INVOCATION_INITIAL_METADATA = ((b'0', b'abc'), (b'1', b'def'), (b'2', b'ghi'),)
 SERVICE_INITIAL_METADATA = ((b'3', b'jkl'), (b'4', b'mno'), (b'5', b'pqr'),)
 SERVICE_TERMINAL_METADATA = ((b'6', b'stu'), (b'7', b'vwx'), (b'8', b'yza'),)
@@ -65,7 +67,7 @@ def metadata_transmitted(original_metadata, transmitted_metadata):
     key, value = tuple(key_value_pair)
     transmitted[key].append(value)
 
-  for key, values in original.iteritems():
+  for key, values in six.iteritems(original):
     transmitted_values = transmitted[key]
     transmitted_iterator = iter(transmitted_values)
     try:
diff --git a/src/python/grpcio_health_checking/grpc/health/v1alpha/__init__.py b/src/python/grpcio_health_checking/grpc/health/v1/__init__.py
index 7086519106..7086519106 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1alpha/__init__.py
+++ b/src/python/grpcio_health_checking/grpc/health/v1/__init__.py
diff --git a/src/python/grpcio_health_checking/grpc/health/v1alpha/health.proto b/src/python/grpcio_health_checking/grpc/health/v1/health.proto
index 57f4aaa9c0..b0bac54be9 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1alpha/health.proto
+++ b/src/python/grpcio_health_checking/grpc/health/v1/health.proto
@@ -29,7 +29,7 @@
 
 syntax = "proto3";
 
-package grpc.health.v1alpha;
+package grpc.health.v1;
 
 message HealthCheckRequest {
   string service = 1;
diff --git a/src/python/grpcio_health_checking/grpc/health/v1alpha/health.py b/src/python/grpcio_health_checking/grpc/health/v1/health.py
index 9dfcd962f0..4b5af15aa6 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1alpha/health.py
+++ b/src/python/grpcio_health_checking/grpc/health/v1/health.py
@@ -33,7 +33,7 @@ import abc
 import enum
 import threading
 
-from grpc.health.v1alpha import health_pb2
+from grpc.health.v1 import health_pb2
 
 
 @enum.unique
@@ -64,7 +64,7 @@ class _HealthServicer(health_pb2.EarlyAdopterHealthServicer):
 
   def set(service, status):
     if not isinstance(status, HealthStatus):
-      raise TypeError('expected grpc.health.v1alpha.health.HealthStatus '
+      raise TypeError('expected grpc.health.v1.health.HealthStatus '
                       'for argument `status` but got {}'.format(status))
     with self._server_status_lock:
       self._server_status[service] = status
diff --git a/src/ruby/.rubocop.yml b/src/ruby/.rubocop.yml
index dd57ab6082..d13ce42655 100644
--- a/src/ruby/.rubocop.yml
+++ b/src/ruby/.rubocop.yml
@@ -7,7 +7,7 @@ AllCops:
     - 'bin/apis/**/*'
     - 'bin/math.rb'
     - 'bin/math_services.rb'
-    - 'pb/grpc/health/v1alpha/*'
+    - 'pb/grpc/health/v1/*'
     - 'pb/test/**/*'
 
 Metrics/CyclomaticComplexity:
@@ -15,3 +15,6 @@ Metrics/CyclomaticComplexity:
 
 Metrics/PerceivedComplexity:
   Max: 8
+
+Metrics/ClassLength:
+  Max: 250
diff --git a/src/ruby/ext/grpc/extconf.rb b/src/ruby/ext/grpc/extconf.rb
index 6b7001a489..82b6d313c8 100644
--- a/src/ruby/ext/grpc/extconf.rb
+++ b/src/ruby/ext/grpc/extconf.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_byte_buffer.c b/src/ruby/ext/grpc/rb_byte_buffer.c
index db7cac363a..cba910d832 100644
--- a/src/ruby/ext/grpc/rb_byte_buffer.c
+++ b/src/ruby/ext/grpc/rb_byte_buffer.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,21 +50,18 @@ grpc_byte_buffer* grpc_rb_s_to_byte_buffer(char *string, size_t length) {
 }
 
 VALUE grpc_rb_byte_buffer_to_s(grpc_byte_buffer *buffer) {
-  size_t length = 0;
-  char *string = NULL;
-  size_t offset = 0;
+  VALUE rb_string;
   grpc_byte_buffer_reader reader;
   gpr_slice next;
   if (buffer == NULL) {
     return Qnil;
-
   }
-  length = grpc_byte_buffer_length(buffer);
-  string = xmalloc(length + 1);
+  rb_string = rb_str_buf_new(grpc_byte_buffer_length(buffer));
   grpc_byte_buffer_reader_init(&reader, buffer);
   while (grpc_byte_buffer_reader_next(&reader, &next) != 0) {
-    memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
-    offset += GPR_SLICE_LENGTH(next);
+    rb_str_cat(rb_string, (const char *) GPR_SLICE_START_PTR(next),
+               GPR_SLICE_LENGTH(next));
+    gpr_slice_unref(next);
   }
-  return rb_str_new(string, length);
+  return rb_string;
 }
diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index af05ddf6e7..f5fdbb2ffd 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -72,6 +72,10 @@ static ID id_cq;
  * the flags used to create metadata from a Hash */
 static ID id_flags;
 
+/* id_credentials is the name of the hidden ivar that preserves the value
+ * of the credentials added to the call */
+static ID id_credentials;
+
 /* id_input_md is the name of the hidden ivar that preserves the hash used to
  * create metadata, so that references to the strings it contains last as long
  * as the call the metadata is added to. */
@@ -299,6 +303,7 @@ static VALUE grpc_rb_call_set_credentials(VALUE self, VALUE credentials) {
              "grpc_call_set_credentials failed with %s (code=%d)",
              grpc_call_error_detail_of(err), err);
   }
+  rb_ivar_set(self, id_credentials, credentials);
   return Qnil;
 }
 
@@ -354,7 +359,7 @@ static int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
       md_ary->metadata[md_ary->count].value_length = value_len;
       md_ary->count += 1;
     }
-  } else {
+  } else if (TYPE(val) == T_STRING) {
     value_str = RSTRING_PTR(val);
     value_len = RSTRING_LEN(val);
     if (!grpc_is_binary_header(key_str, key_len) &&
@@ -368,6 +373,10 @@ static int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
     md_ary->metadata[md_ary->count].value = value_str;
     md_ary->metadata[md_ary->count].value_length = value_len;
     md_ary->count += 1;
+  } else {
+    rb_raise(rb_eArgError,
+               "Header values must be of type string or array");
+    return ST_STOP;
   }
 
   return ST_CONTINUE;
@@ -546,13 +555,26 @@ static void grpc_run_batch_stack_init(run_batch_stack *st,
 /* grpc_run_batch_stack_cleanup ensures the run_batch_stack is properly
  * cleaned up */
 static void grpc_run_batch_stack_cleanup(run_batch_stack *st) {
+  size_t i = 0;
+
   grpc_metadata_array_destroy(&st->send_metadata);
   grpc_metadata_array_destroy(&st->send_trailing_metadata);
   grpc_metadata_array_destroy(&st->recv_metadata);
   grpc_metadata_array_destroy(&st->recv_trailing_metadata);
+
   if (st->recv_status_details != NULL) {
     gpr_free(st->recv_status_details);
   }
+
+  if (st->recv_message != NULL) {
+    grpc_byte_buffer_destroy(st->recv_message);
+  }
+
+  for (i = 0; i < st->op_num; i++) {
+    if (st->ops[i].op == GRPC_OP_SEND_MESSAGE) {
+      grpc_byte_buffer_destroy(st->ops[i].data.send_message);
+    }
+  }
 }
 
 /* grpc_run_batch_stack_fill_ops fills the run_batch_stack ops array from
@@ -638,7 +660,6 @@ static VALUE grpc_run_batch_stack_build_result(run_batch_stack *st) {
         break;
       case GRPC_OP_SEND_MESSAGE:
         rb_struct_aset(result, sym_send_message, Qtrue);
-        grpc_byte_buffer_destroy(st->ops[i].data.send_message);
         break;
       case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
         rb_struct_aset(result, sym_send_close, Qtrue);
@@ -859,6 +880,7 @@ void Init_grpc_call() {
   id_cq = rb_intern("__cq");
   id_flags = rb_intern("__flags");
   id_input_md = rb_intern("__input_md");
+  id_credentials = rb_intern("__credentials");
 
   /* Ids used in constructing the batch result. */
   sym_send_message = ID2SYM(rb_intern("send_message"));
diff --git a/src/ruby/ext/grpc/rb_call_credentials.c b/src/ruby/ext/grpc/rb_call_credentials.c
index 2426f106a9..38bf1f7710 100644
--- a/src/ruby/ext/grpc/rb_call_credentials.c
+++ b/src/ruby/ext/grpc/rb_call_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,7 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 #include "rb_call.h"
 #include "rb_event_thread.h"
@@ -50,9 +51,9 @@
  * grpc_call_credentials */
 static VALUE grpc_rb_cCallCredentials = Qnil;
 
-/* grpc_rb_call_credentials wraps a grpc_call_credentials. It provides a peer
- * ruby object, 'mark' to minimize copying when a credential is created from
- * ruby. */
+/* grpc_rb_call_credentials wraps a grpc_call_credentials. It provides a mark
+ * object that is used to hold references to any objects used to create the
+ * credentials. */
 typedef struct grpc_rb_call_credentials {
   /* Holder of ruby objects involved in contructing the credentials */
   VALUE mark;
@@ -81,14 +82,23 @@ static VALUE grpc_rb_call_credentials_callback(VALUE callback_args) {
 static VALUE grpc_rb_call_credentials_callback_rescue(VALUE args,
                                                       VALUE exception_object) {
   VALUE result = rb_hash_new();
+  VALUE backtrace = rb_funcall(
+      rb_funcall(exception_object, rb_intern("backtrace"), 0),
+      rb_intern("join"),
+      1, rb_str_new2("\n\tfrom "));
+  VALUE exception_info = rb_funcall(exception_object, rb_intern("to_s"), 0);
+  const char *exception_classname = rb_obj_classname(exception_object);
   (void)args;
+  gpr_log(GPR_INFO, "Call credentials callback failed: %s: %s\n%s",
+          exception_classname, StringValueCStr(exception_info),
+          StringValueCStr(backtrace));
   rb_hash_aset(result, rb_str_new2("metadata"), Qnil);
   /* Currently only gives the exception class name. It should be possible get
      more details */
   rb_hash_aset(result, rb_str_new2("status"),
                INT2NUM(GRPC_STATUS_PERMISSION_DENIED));
   rb_hash_aset(result, rb_str_new2("details"),
-               rb_str_new2(rb_obj_classname(exception_object)));
+               rb_str_new2(exception_classname));
   return result;
 }
 
@@ -146,13 +156,8 @@ static void grpc_rb_call_credentials_free(void *p) {
     return;
   }
   wrapper = (grpc_rb_call_credentials *)p;
-
-  /* Delete the wrapped object if the mark object is Qnil, which indicates that
-   * no other object is the actual owner. */
-  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
-    grpc_call_credentials_release(wrapper->wrapped);
-    wrapper->wrapped = NULL;
-  }
+  grpc_call_credentials_release(wrapper->wrapped);
+  wrapper->wrapped = NULL;
 
   xfree(p);
 }
@@ -164,8 +169,6 @@ static void grpc_rb_call_credentials_mark(void *p) {
     return;
   }
   wrapper = (grpc_rb_call_credentials *)p;
-
-  /* If it's not already cleaned up, mark the mark object */
   if (wrapper->mark != Qnil) {
     rb_gc_mark(wrapper->mark);
   }
@@ -194,7 +197,7 @@ static VALUE grpc_rb_call_credentials_alloc(VALUE cls) {
 /* Creates a wrapping object for a given call credentials. This should only be
  * called with grpc_call_credentials objects that are not already associated
  * with any Ruby object */
-VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c) {
+VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c, VALUE mark) {
   VALUE rb_wrapper;
   grpc_rb_call_credentials *wrapper;
   if (c == NULL) {
@@ -204,6 +207,7 @@ VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c) {
   TypedData_Get_Struct(rb_wrapper, grpc_rb_call_credentials,
                        &grpc_rb_call_credentials_data_type, wrapper);
   wrapper->wrapped = c;
+  wrapper->mark = mark;
   return rb_wrapper;
 }
 
@@ -267,6 +271,7 @@ static VALUE grpc_rb_call_credentials_init(VALUE self, VALUE proc) {
     return Qnil;
   }
 
+  wrapper->mark = proc;
   wrapper->wrapped = creds;
   rb_ivar_set(self, id_callback, proc);
 
@@ -277,15 +282,18 @@ static VALUE grpc_rb_call_credentials_compose(int argc, VALUE *argv,
                                               VALUE self) {
   grpc_call_credentials *creds;
   grpc_call_credentials *other;
+  VALUE mark;
   if (argc == 0) {
     return self;
   }
+  mark = rb_ary_new();
   creds = grpc_rb_get_wrapped_call_credentials(self);
   for (int i = 0; i < argc; i++) {
+    rb_ary_push(mark, argv[i]);
     other = grpc_rb_get_wrapped_call_credentials(argv[i]);
     creds = grpc_composite_call_credentials_create(creds, other, NULL);
   }
-  return grpc_rb_wrap_call_credentials(creds);
+  return grpc_rb_wrap_call_credentials(creds, mark);
 }
 
 void Init_grpc_call_credentials() {
diff --git a/src/ruby/ext/grpc/rb_channel.c b/src/ruby/ext/grpc/rb_channel.c
index 0e6badbdaf..984afad107 100644
--- a/src/ruby/ext/grpc/rb_channel.c
+++ b/src/ruby/ext/grpc/rb_channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,11 +70,10 @@ static VALUE grpc_rb_cChannel = Qnil;
 /* Used during the conversion of a hash to channel args during channel setup */
 static VALUE grpc_rb_cChannelArgs;
 
-/* grpc_rb_channel wraps a grpc_channel.  It provides a peer ruby object,
- * 'mark' to minimize copying when a channel is created from ruby. */
+/* grpc_rb_channel wraps a grpc_channel. */
 typedef struct grpc_rb_channel {
-  /* Holder of ruby objects involved in constructing the channel */
-  VALUE mark;
+  VALUE credentials;
+
   /* The actual channel */
   grpc_channel *wrapped;
 } grpc_rb_channel;
@@ -87,13 +86,8 @@ static void grpc_rb_channel_free(void *p) {
   };
   ch = (grpc_rb_channel *)p;
 
-  /* Deletes the wrapped object if the mark object is Qnil, which indicates
-   * that no other object is the actual owner. */
-  if (ch->wrapped != NULL && ch->mark == Qnil) {
+  if (ch->wrapped != NULL) {
     grpc_channel_destroy(ch->wrapped);
-    rb_warning("channel gc: destroyed the c channel");
-  } else {
-    rb_warning("channel gc: did not destroy the c channel");
   }
 
   xfree(p);
@@ -106,8 +100,8 @@ static void grpc_rb_channel_mark(void *p) {
     return;
   }
   channel = (grpc_rb_channel *)p;
-  if (channel->mark != Qnil) {
-    rb_gc_mark(channel->mark);
+  if (channel->credentials != Qnil) {
+    rb_gc_mark(channel->credentials);
   }
 }
 
@@ -125,7 +119,7 @@ static rb_data_type_t grpc_channel_data_type = {
 static VALUE grpc_rb_channel_alloc(VALUE cls) {
   grpc_rb_channel *wrapper = ALLOC(grpc_rb_channel);
   wrapper->wrapped = NULL;
-  wrapper->mark = Qnil;
+  wrapper->credentials = Qnil;
   return TypedData_Wrap_Struct(cls, &grpc_channel_data_type, wrapper);
 }
 
@@ -162,6 +156,7 @@ static VALUE grpc_rb_channel_init(int argc, VALUE *argv, VALUE self) {
     }
     ch = grpc_insecure_channel_create(target_chars, &args, NULL);
   } else {
+    wrapper->credentials = credentials;
     creds = grpc_rb_get_wrapped_channel_credentials(credentials);
     ch = grpc_secure_channel_create(creds, target_chars, &args, NULL);
   }
@@ -330,7 +325,6 @@ static VALUE grpc_rb_channel_destroy(VALUE self) {
   if (ch != NULL) {
     grpc_channel_destroy(ch);
     wrapper->wrapped = NULL;
-    wrapper->mark = Qnil;
   }
 
   return Qnil;
diff --git a/src/ruby/ext/grpc/rb_channel_args.c b/src/ruby/ext/grpc/rb_channel_args.c
index 69827cea1c..2ffb8f41da 100644
--- a/src/ruby/ext/grpc/rb_channel_args.c
+++ b/src/ruby/ext/grpc/rb_channel_args.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_channel_credentials.c b/src/ruby/ext/grpc/rb_channel_credentials.c
index 8c6fc3b7eb..10391bc963 100644
--- a/src/ruby/ext/grpc/rb_channel_credentials.c
+++ b/src/ruby/ext/grpc/rb_channel_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,8 +49,8 @@
 static VALUE grpc_rb_cChannelCredentials = Qnil;
 
 /* grpc_rb_channel_credentials wraps a grpc_channel_credentials.  It provides a
- * peer ruby object, 'mark' to minimize copying when a credential is
- * created from ruby. */
+ * mark object that is used to hold references to any objects used to create
+ * the credentials. */
 typedef struct grpc_rb_channel_credentials {
   /* Holder of ruby objects involved in constructing the credentials */
   VALUE mark;
@@ -66,13 +66,8 @@ static void grpc_rb_channel_credentials_free(void *p) {
     return;
   };
   wrapper = (grpc_rb_channel_credentials *)p;
-
-  /* Delete the wrapped object if the mark object is Qnil, which indicates that
-   * no other object is the actual owner. */
-  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
-    grpc_channel_credentials_release(wrapper->wrapped);
-    wrapper->wrapped = NULL;
-  }
+  grpc_channel_credentials_release(wrapper->wrapped);
+  wrapper->wrapped = NULL;
 
   xfree(p);
 }
@@ -85,7 +80,6 @@ static void grpc_rb_channel_credentials_mark(void *p) {
   }
   wrapper = (grpc_rb_channel_credentials *)p;
 
-  /* If it's not already cleaned up, mark the mark object */
   if (wrapper->mark != Qnil) {
     rb_gc_mark(wrapper->mark);
   }
@@ -114,7 +108,7 @@ static VALUE grpc_rb_channel_credentials_alloc(VALUE cls) {
 /* Creates a wrapping object for a given channel credentials. This should only
  * be called with grpc_channel_credentials objects that are not already
  * associated with any Ruby object. */
-VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c) {
+VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c, VALUE mark) {
   VALUE rb_wrapper;
   grpc_rb_channel_credentials *wrapper;
   if (c == NULL) {
@@ -124,6 +118,7 @@ VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c) {
   TypedData_Get_Struct(rb_wrapper, grpc_rb_channel_credentials,
                        &grpc_rb_channel_credentials_data_type, wrapper);
   wrapper->wrapped = c;
+  wrapper->mark = mark;
   return rb_wrapper;
 }
 
@@ -222,11 +217,15 @@ static VALUE grpc_rb_channel_credentials_compose(int argc, VALUE *argv,
                                                  VALUE self) {
   grpc_channel_credentials *creds;
   grpc_call_credentials *other;
+  VALUE mark;
   if (argc == 0) {
     return self;
   }
+  mark = rb_ary_new();
+  rb_ary_push(mark, self);
   creds = grpc_rb_get_wrapped_channel_credentials(self);
   for (int i = 0; i < argc; i++) {
+    rb_ary_push(mark, argv[i]);
     other = grpc_rb_get_wrapped_call_credentials(argv[i]);
     creds = grpc_composite_channel_credentials_create(creds, other, NULL);
     if (creds == NULL) {
@@ -234,7 +233,7 @@ static VALUE grpc_rb_channel_credentials_compose(int argc, VALUE *argv,
                "Failed to compose channel and call credentials");
     }
   }
-  return grpc_rb_wrap_channel_credentials(creds);
+  return grpc_rb_wrap_channel_credentials(creds, mark);
 }
 
 void Init_grpc_channel_credentials() {
diff --git a/src/ruby/ext/grpc/rb_completion_queue.c b/src/ruby/ext/grpc/rb_completion_queue.c
index 1eb5a28750..2a2eee190c 100644
--- a/src/ruby/ext/grpc/rb_completion_queue.c
+++ b/src/ruby/ext/grpc/rb_completion_queue.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index eefdb93d67..acb47b0055 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -269,20 +269,9 @@ static void Init_grpc_time_consts() {
   id_tv_nsec = rb_intern("tv_nsec");
 }
 
-/*
-   TODO: find an alternative to ruby_vm_at_exit that is ok in Ruby 2.0 where
-   RUBY_TYPED_FREE_IMMEDIATELY is not defined.
-
-   At the moment, registering a function using ruby_vm_at_exit segfaults in Ruby
-   2.0.  This is not an issue with the gRPC handler.  More likely, this was an
-   in issue with 2.0 that got resolved in 2.1 and has not been backported.
-*/
-#ifdef RUBY_TYPED_FREE_IMMEDIATELY
-static void grpc_rb_shutdown(ruby_vm_t *vm) {
-  (void)vm;
+static void grpc_rb_shutdown(void) {
   grpc_shutdown();
 }
-#endif
 
 /* Initialize the GRPC module structs */
 
@@ -300,18 +289,30 @@ VALUE sym_code = Qundef;
 VALUE sym_details = Qundef;
 VALUE sym_metadata = Qundef;
 
+static gpr_once g_once_init = GPR_ONCE_INIT;
+
+static void grpc_ruby_once_init() {
+  grpc_init();
+  atexit(grpc_rb_shutdown);
+}
+
 void Init_grpc_c() {
   if (!grpc_rb_load_core()) {
     rb_raise(rb_eLoadError, "Couldn't find or load gRPC's dynamic C core");
     return;
   }
 
-  grpc_init();
-
-/* TODO: find alternative to ruby_vm_at_exit that is ok in Ruby 2.0 */
-#ifdef RUBY_TYPED_FREE_IMMEDIATELY
-  ruby_vm_at_exit(grpc_rb_shutdown);
-#endif
+  /* ruby_vm_at_exit doesn't seem to be working. It would crash once every
+   * blue moon, and some users are getting it repeatedly. See the discussions
+   *  - https://github.com/grpc/grpc/pull/5337
+   *  - https://bugs.ruby-lang.org/issues/12095
+   *
+   * In order to still be able to handle the (unlikely) situation where the
+   * extension is loaded by a first Ruby VM that is subsequently destroyed,
+   * then loaded again by another VM within the same process, we need to
+   * schedule our initialization and destruction only once.
+   */
+  gpr_once_init(&g_once_init, grpc_ruby_once_init);
 
   grpc_rb_mGRPC = rb_define_module("GRPC");
   grpc_rb_mGrpcCore = rb_define_module_under(grpc_rb_mGRPC, "Core");
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.c b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
index 1af34d97fb..56db4ec686 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.c
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
@@ -220,6 +220,7 @@ gpr_event_get_type gpr_event_get_import;
 gpr_event_wait_type gpr_event_wait_import;
 gpr_ref_init_type gpr_ref_init_import;
 gpr_ref_type gpr_ref_import;
+gpr_ref_non_zero_type gpr_ref_non_zero_import;
 gpr_refn_type gpr_refn_import;
 gpr_unref_type gpr_unref_import;
 gpr_stats_init_type gpr_stats_init_import;
@@ -481,6 +482,7 @@ void grpc_rb_load_imports(HMODULE library) {
   gpr_event_wait_import = (gpr_event_wait_type) GetProcAddress(library, "gpr_event_wait");
   gpr_ref_init_import = (gpr_ref_init_type) GetProcAddress(library, "gpr_ref_init");
   gpr_ref_import = (gpr_ref_type) GetProcAddress(library, "gpr_ref");
+  gpr_ref_non_zero_import = (gpr_ref_non_zero_type) GetProcAddress(library, "gpr_ref_non_zero");
   gpr_refn_import = (gpr_refn_type) GetProcAddress(library, "gpr_refn");
   gpr_unref_import = (gpr_unref_type) GetProcAddress(library, "gpr_unref");
   gpr_stats_init_import = (gpr_stats_init_type) GetProcAddress(library, "gpr_stats_init");
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
index b61c5282b6..c526f434c6 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
@@ -91,10 +91,10 @@ extern census_context_next_tag_type census_context_next_tag_import;
 typedef int(*census_context_get_tag_type)(const census_context *context, const char *key, census_tag *tag);
 extern census_context_get_tag_type census_context_get_tag_import;
 #define census_context_get_tag census_context_get_tag_import
-typedef char *(*census_context_encode_type)(const census_context *context, char *buffer, size_t buf_size, size_t *print_buf_size, size_t *bin_buf_size);
+typedef size_t(*census_context_encode_type)(const census_context *context, char *buffer, size_t buf_size);
 extern census_context_encode_type census_context_encode_import;
 #define census_context_encode census_context_encode_import
-typedef census_context *(*census_context_decode_type)(const char *buffer, size_t size, const char *bin_buffer, size_t bin_size);
+typedef census_context *(*census_context_decode_type)(const char *buffer, size_t size);
 extern census_context_decode_type census_context_decode_import;
 #define census_context_decode census_context_decode_import
 typedef int(*census_trace_mask_type)(const census_context *context);
@@ -166,7 +166,7 @@ extern grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_im
 typedef int(*grpc_compression_algorithm_name_type)(grpc_compression_algorithm algorithm, char **name);
 extern grpc_compression_algorithm_name_type grpc_compression_algorithm_name_import;
 #define grpc_compression_algorithm_name grpc_compression_algorithm_name_import
-typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level);
+typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level, uint32_t accepted_encodings);
 extern grpc_compression_algorithm_for_level_type grpc_compression_algorithm_for_level_import;
 #define grpc_compression_algorithm_for_level grpc_compression_algorithm_for_level_import
 typedef void(*grpc_compression_options_init_type)(grpc_compression_options *opts);
@@ -283,7 +283,7 @@ extern grpc_call_destroy_type grpc_call_destroy_import;
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
@@ -610,6 +610,9 @@ extern gpr_ref_init_type gpr_ref_init_import;
 typedef void(*gpr_ref_type)(gpr_refcount *r);
 extern gpr_ref_type gpr_ref_import;
 #define gpr_ref gpr_ref_import
+typedef void(*gpr_ref_non_zero_type)(gpr_refcount *r);
+extern gpr_ref_non_zero_type gpr_ref_non_zero_import;
+#define gpr_ref_non_zero gpr_ref_non_zero_import
 typedef void(*gpr_refn_type)(gpr_refcount *r, int n);
 extern gpr_refn_type gpr_refn_import;
 #define gpr_refn gpr_refn_import
diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index 37cc55a651..96e60c6776 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_server_credentials.c b/src/ruby/ext/grpc/rb_server_credentials.c
index 4ea59b6b27..33b8372850 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.c
+++ b/src/ruby/ext/grpc/rb_server_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/lib/grpc.rb b/src/ruby/lib/grpc.rb
index 1671ba3550..4e23cd7af2 100644
--- a/src/ruby/lib/grpc.rb
+++ b/src/ruby/lib/grpc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/lib/grpc/core/time_consts.rb b/src/ruby/lib/grpc/core/time_consts.rb
index e6dae7b08a..3b8c2daa07 100644
--- a/src/ruby/lib/grpc/core/time_consts.rb
+++ b/src/ruby/lib/grpc/core/time_consts.rb
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
+require 'grpc/grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/errors.rb b/src/ruby/lib/grpc/errors.rb
index f1201c1704..1d7588c18d 100644
--- a/src/ruby/lib/grpc/errors.rb
+++ b/src/ruby/lib/grpc/errors.rb
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
+require 'grpc/grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/generic/bidi_call.rb b/src/ruby/lib/grpc/generic/bidi_call.rb
index 213176bd48..6b9b785693 100644
--- a/src/ruby/lib/grpc/generic/bidi_call.rb
+++ b/src/ruby/lib/grpc/generic/bidi_call.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/lib/grpc/generic/client_stub.rb b/src/ruby/lib/grpc/generic/client_stub.rb
index 4da9ff086a..a6bb92d72c 100644
--- a/src/ruby/lib/grpc/generic/client_stub.rb
+++ b/src/ruby/lib/grpc/generic/client_stub.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -85,7 +85,8 @@ module GRPC
     # when present, this is the default timeout used for calls
     #
     # @param host [String] the host the stub connects to
-    # @param q [Core::CompletionQueue] used to wait for events
+    # @param q [Core::CompletionQueue] used to wait for events - now deprecated
+    #        since each new active call gets its own separately
     # @param creds [Core::ChannelCredentials|Symbol] the channel credentials, or
     #     :this_channel_is_insecure
     # @param channel_override [Core::Channel] a pre-created channel
@@ -97,7 +98,6 @@ module GRPC
                    propagate_mask: nil,
                    **kw)
       fail(TypeError, '!CompletionQueue') unless q.is_a?(Core::CompletionQueue)
-      @queue = q
       @ch = ClientStub.setup_channel(channel_override, host, creds, **kw)
       alt_host = kw[Core::Channel::SSL_TARGET]
       @host = alt_host.nil? ? host : alt_host
@@ -458,14 +458,17 @@ module GRPC
       if deadline.nil?
         deadline = from_relative_time(timeout.nil? ? @timeout : timeout)
       end
-      call = @ch.create_call(@queue,
+      # Provide each new client call with its own completion queue
+      call_queue = Core::CompletionQueue.new
+      call = @ch.create_call(call_queue,
                              parent, # parent call
                              @propagate_mask, # propagation options
                              method,
                              nil, # host use nil,
                              deadline)
       call.set_credentials! credentials unless credentials.nil?
-      ActiveCall.new(call, @queue, marshal, unmarshal, deadline, started: false)
+      ActiveCall.new(call, call_queue, marshal, unmarshal, deadline,
+                     started: false)
     end
   end
 end
diff --git a/src/ruby/lib/grpc/generic/rpc_desc.rb b/src/ruby/lib/grpc/generic/rpc_desc.rb
index 526b2ba5b6..dd90d8d91d 100644
--- a/src/ruby/lib/grpc/generic/rpc_desc.rb
+++ b/src/ruby/lib/grpc/generic/rpc_desc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/lib/grpc/generic/rpc_server.rb b/src/ruby/lib/grpc/generic/rpc_server.rb
index ef2997c991..5ba77db173 100644
--- a/src/ruby/lib/grpc/generic/rpc_server.rb
+++ b/src/ruby/lib/grpc/generic/rpc_server.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -107,7 +107,9 @@ module GRPC
 
     # Starts running the jobs in the thread pool.
     def start
-      fail 'already stopped' if @stopped
+      @stop_mutex.synchronize do
+        fail 'already stopped' if @stopped
+      end
       until @workers.size == @size.to_i
         next_thread = Thread.new do
           catch(:exit) do  # allows { throw :exit } to kill a thread
@@ -264,10 +266,10 @@ module GRPC
       @pool = Pool.new(@pool_size)
       @run_cond = ConditionVariable.new
       @run_mutex = Mutex.new
-      @running = false
+      # running_state can take 4 values: :not_started, :running, :stopping, and
+      # :stopped. State transitions can only proceed in that order.
+      @running_state = :not_started
       @server = RpcServer.setup_srv(server_override, @cq, **kw)
-      @stopped = false
-      @stop_mutex = Mutex.new
     end
 
     # stops a running server
@@ -275,27 +277,42 @@ module GRPC
     # the call has no impact if the server is already stopped, otherwise
     # server's current call loop is it's last.
     def stop
-      return unless @running
-      @stop_mutex.synchronize do
-        @stopped = true
+      @run_mutex.synchronize do
+        fail 'Cannot stop before starting' if @running_state == :not_started
+        return if @running_state != :running
+        transition_running_state(:stopping)
       end
       deadline = from_relative_time(@poll_period)
-      return if @server.close(@cq, deadline)
-      deadline = from_relative_time(@poll_period)
       @server.close(@cq, deadline)
       @pool.stop
     end
 
-    # determines if the server has been stopped
-    def stopped?
-      @stop_mutex.synchronize do
-        return @stopped
+    def running_state
+      @run_mutex.synchronize do
+        return @running_state
+      end
+    end
+
+    # Can only be called while holding @run_mutex
+    def transition_running_state(target_state)
+      state_transitions = {
+        not_started: :running,
+        running: :stopping,
+        stopping: :stopped
+      }
+      if state_transitions[@running_state] == target_state
+        @running_state = target_state
+      else
+        fail "Bad server state transition: #{@running_state}->#{target_state}"
       end
     end
 
-    # determines if the server is currently running
     def running?
-      @running
+      running_state == :running
+    end
+
+    def stopped?
+      running_state == :stopped
     end
 
     # Is called from other threads to wait for #run to start up the server.
@@ -304,13 +321,11 @@ module GRPC
     #
     # @param timeout [Numeric] number of seconds to wait
     # @result [true, false] true if the server is running, false otherwise
-    def wait_till_running(timeout = 0.1)
-      end_time, sleep_period = Time.now + timeout, (1.0 * timeout) / 100
-      while Time.now < end_time
-        @run_mutex.synchronize { @run_cond.wait(@run_mutex) } unless running?
-        sleep(sleep_period)
+    def wait_till_running(timeout = nil)
+      @run_mutex.synchronize do
+        @run_cond.wait(@run_mutex, timeout) if @running_state == :not_started
+        return @running_state == :running
       end
-      running?
     end
 
     # Runs the server in its own thread, then waits for signal INT or TERM on
@@ -360,11 +375,14 @@ module GRPC
     # @param service [Object|Class] a service class or object as described
     #        above
     def handle(service)
-      fail 'cannot add services if the server is running' if running?
-      fail 'cannot add services if the server is stopped' if stopped?
-      cls = service.is_a?(Class) ? service : service.class
-      assert_valid_service_class(cls)
-      add_rpc_descs_for(service)
+      @run_mutex.synchronize do
+        unless @running_state == :not_started
+          fail 'cannot add services if the server has been started'
+        end
+        cls = service.is_a?(Class) ? service : service.class
+        assert_valid_service_class(cls)
+        add_rpc_descs_for(service)
+      end
     end
 
     # runs the server
@@ -375,20 +393,17 @@ module GRPC
     # - #running? returns true after this is called, until #stop cause the
     #   the server to stop.
     def run
-      if rpc_descs.size.zero?
-        GRPC.logger.warn('did not run as no services were present')
-        return
-      end
       @run_mutex.synchronize do
-        @running = true
-        @run_cond.signal
+        fail 'cannot run without registering services' if rpc_descs.size.zero?
+        @pool.start
+        @server.start
+        transition_running_state(:running)
+        @run_cond.broadcast
       end
-      @pool.start
-      @server.start
       loop_handle_server_calls
     end
 
-    # Sends UNAVAILABLE if there are too many unprocessed jobs
+    # Sends RESOURCE_EXHAUSTED if there are too many unprocessed jobs
     def available?(an_rpc)
       jobs_count, max = @pool.jobs_waiting, @max_waiting_requests
       GRPC.logger.info("waiting: #{jobs_count}, max: #{max}")
@@ -396,7 +411,7 @@ module GRPC
       GRPC.logger.warn("NOT AVAILABLE: too many jobs_waiting: #{an_rpc}")
       noop = proc { |x| x }
       c = ActiveCall.new(an_rpc.call, @cq, noop, noop, an_rpc.deadline)
-      c.send_status(StatusCodes::UNAVAILABLE, '')
+      c.send_status(StatusCodes::RESOURCE_EXHAUSTED, '')
       nil
     end
 
@@ -413,9 +428,9 @@ module GRPC
 
     # handles calls to the server
     def loop_handle_server_calls
-      fail 'not running' unless @running
+      fail 'not started' if running_state == :not_started
       loop_tag = Object.new
-      until stopped?
+      while running_state == :running
         begin
           an_rpc = @server.request_call(@cq, loop_tag, INFINITE_FUTURE)
           break if (!an_rpc.nil?) && an_rpc.call.nil?
@@ -430,11 +445,14 @@ module GRPC
         rescue Core::CallError, RuntimeError => e
           # these might happen for various reasonse.  The correct behaviour of
           # the server is to log them and continue, if it's not shutting down.
-          GRPC.logger.warn("server call failed: #{e}") unless stopped?
+          if running_state == :running
+            GRPC.logger.warn("server call failed: #{e}")
+          end
           next
         end
       end
-      @running = false
+      # @running_state should be :stopping here
+      @run_mutex.synchronize { transition_running_state(:stopped) }
       GRPC.logger.info("stopped: #{self}")
     end
 
@@ -484,9 +502,10 @@ module GRPC
       cls.assert_rpc_descs_have_methods
     end
 
+    # This should be called while holding @run_mutex
     def add_rpc_descs_for(service)
       cls = service.is_a?(Class) ? service : service.class
-      specs, handlers = rpc_descs, rpc_handlers
+      specs, handlers = (@rpc_descs ||= {}), (@rpc_handlers ||= {})
       cls.rpc_descs.each_pair do |name, spec|
         route = "/#{cls.service_name}/#{name}".to_sym
         fail "already registered: rpc #{route} from #{spec}" if specs.key? route
diff --git a/src/ruby/lib/grpc/grpc.rb b/src/ruby/lib/grpc/grpc.rb
index d8a4947494..250f6dd30d 100644
--- a/src/ruby/lib/grpc/grpc.rb
+++ b/src/ruby/lib/grpc/grpc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index ef0876159d..67c6a5d5a1 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/pb/README.md b/src/ruby/pb/README.md
index e04aef185c..d9e30bbc85 100644
--- a/src/ruby/pb/README.md
+++ b/src/ruby/pb/README.md
@@ -11,7 +11,7 @@ The code is is generated using the protoc (> 3.0.0.alpha.1) and the
 grpc_ruby_plugin.  These must be installed to regenerate the IDL defined
 classes, but that's not necessary just to use them.
 
-health_check/v1alpha
+health_check/v1
 --------------------
 
 This package defines the surface of a simple health check service that gRPC
@@ -20,7 +20,7 @@ re-generate the surface.
 
 ```bash
 $ # (from this directory)
-$ protoc -I ../../proto ../../proto/grpc/health/v1alpha/health.proto \
+$ protoc -I ../../proto ../../proto/grpc/health/v1/health.proto \
     --grpc_out=. \
     --ruby_out=. \
     --plugin=protoc-gen-grpc=`which grpc_ruby_plugin`
diff --git a/src/ruby/pb/generate_proto_ruby.sh b/src/ruby/pb/generate_proto_ruby.sh
index 576b1c08d3..82dad18ad0 100755
--- a/src/ruby/pb/generate_proto_ruby.sh
+++ b/src/ruby/pb/generate_proto_ruby.sh
@@ -35,16 +35,23 @@ cd $(dirname $0)/../../..
 PROTOC=bins/opt/protobuf/protoc
 PLUGIN=protoc-gen-grpc=bins/opt/grpc_ruby_plugin
 
-$PROTOC -I src/proto src/proto/grpc/health/v1alpha/health.proto \
+$PROTOC -I src/proto src/proto/grpc/health/v1/health.proto \
     --grpc_out=src/ruby/pb \
     --ruby_out=src/ruby/pb \
     --plugin=$PLUGIN
 
-$PROTOC -I . test/proto/{messages,test,empty}.proto \
+$PROTOC -I . \
+    src/proto/grpc/testing/{messages,test,empty}.proto \
     --grpc_out=src/ruby/pb \
     --ruby_out=src/ruby/pb \
     --plugin=$PLUGIN
 
+$PROTOC -I . \
+    src/proto/grpc/testing/{messages,payloads,stats,services,control}.proto \
+    --grpc_out=src/ruby/qps \
+    --ruby_out=src/ruby/qps \
+    --plugin=$PLUGIN
+
 $PROTOC -I src/proto/math src/proto/math/math.proto \
     --grpc_out=src/ruby/bin \
     --ruby_out=src/ruby/bin \
diff --git a/src/ruby/pb/grpc/health/checker.rb b/src/ruby/pb/grpc/health/checker.rb
index 8c692e74f9..f7310d9289 100644
--- a/src/ruby/pb/grpc/health/checker.rb
+++ b/src/ruby/pb/grpc/health/checker.rb
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/health/v1alpha/health_services'
+require 'grpc/health/v1/health_services'
 require 'thread'
 
 module Grpc
@@ -36,9 +36,9 @@ module Grpc
   # service.
   module Health
     # Checker is implementation of the schema-specified health checking service.
-    class Checker < V1alpha::Health::Service
+    class Checker < V1::Health::Service
       StatusCodes = GRPC::Core::StatusCodes
-      HealthCheckResponse = V1alpha::HealthCheckResponse
+      HealthCheckResponse = V1::HealthCheckResponse
 
       # Initializes the statuses of participating services
       def initialize
@@ -50,20 +50,20 @@ module Grpc
       def check(req, _call)
         status = nil
         @status_mutex.synchronize do
-          status = @statuses["#{req.host}/#{req.service}"]
+          status = @statuses["#{req.service}"]
         end
         fail GRPC::BadStatus, StatusCodes::NOT_FOUND if status.nil?
         HealthCheckResponse.new(status: status)
       end
 
-      # Adds the health status for a given host and service.
-      def add_status(host, service, status)
-        @status_mutex.synchronize { @statuses["#{host}/#{service}"] = status }
+      # Adds the health status for a given service.
+      def add_status(service, status)
+        @status_mutex.synchronize { @statuses["#{service}"] = status }
       end
 
-      # Clears the status for the given host or service.
-      def clear_status(host, service)
-        @status_mutex.synchronize { @statuses.delete("#{host}/#{service}") }
+      # Clears the status for the given service.
+      def clear_status(service)
+        @status_mutex.synchronize { @statuses.delete("#{service}") }
       end
 
       # Clears alls the statuses.
diff --git a/src/ruby/pb/grpc/health/v1/health.rb b/src/ruby/pb/grpc/health/v1/health.rb
new file mode 100644
index 0000000000..aa87a93918
--- /dev/null
+++ b/src/ruby/pb/grpc/health/v1/health.rb
@@ -0,0 +1,28 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: grpc/health/v1/health.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.health.v1.HealthCheckRequest" do
+    optional :service, :string, 1
+  end
+  add_message "grpc.health.v1.HealthCheckResponse" do
+    optional :status, :enum, 1, "grpc.health.v1.HealthCheckResponse.ServingStatus"
+  end
+  add_enum "grpc.health.v1.HealthCheckResponse.ServingStatus" do
+    value :UNKNOWN, 0
+    value :SERVING, 1
+    value :NOT_SERVING, 2
+  end
+end
+
+module Grpc
+  module Health
+    module V1
+      HealthCheckRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1.HealthCheckRequest").msgclass
+      HealthCheckResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1.HealthCheckResponse").msgclass
+      HealthCheckResponse::ServingStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1.HealthCheckResponse.ServingStatus").enummodule
+    end
+  end
+end
diff --git a/src/ruby/pb/grpc/health/v1alpha/health_services.rb b/src/ruby/pb/grpc/health/v1/health_services.rb
index d5cba2e9ec..cb79b20437 100644
--- a/src/ruby/pb/grpc/health/v1alpha/health_services.rb
+++ b/src/ruby/pb/grpc/health/v1/health_services.rb
@@ -1,12 +1,12 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
-# Source: grpc/health/v1alpha/health.proto for package 'grpc.health.v1alpha'
+# Source: grpc/health/v1/health.proto for package 'grpc.health.v1'
 
 require 'grpc'
-require 'grpc/health/v1alpha/health'
+require 'grpc/health/v1/health'
 
 module Grpc
   module Health
-    module V1alpha
+    module V1
       module Health
 
         # TODO: add proto service documentation here
@@ -16,7 +16,7 @@ module Grpc
 
           self.marshal_class_method = :encode
           self.unmarshal_class_method = :decode
-          self.service_name = 'grpc.health.v1alpha.Health'
+          self.service_name = 'grpc.health.v1.Health'
 
           rpc :Check, HealthCheckRequest, HealthCheckResponse
         end
diff --git a/src/ruby/pb/grpc/health/v1alpha/health.rb b/src/ruby/pb/grpc/health/v1alpha/health.rb
deleted file mode 100644
index 9c04298ea5..0000000000
--- a/src/ruby/pb/grpc/health/v1alpha/health.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: grpc/health/v1alpha/health.proto
-
-require 'google/protobuf'
-
-Google::Protobuf::DescriptorPool.generated_pool.build do
-  add_message "grpc.health.v1alpha.HealthCheckRequest" do
-    optional :host, :string, 1
-    optional :service, :string, 2
-  end
-  add_message "grpc.health.v1alpha.HealthCheckResponse" do
-    optional :status, :enum, 1, "grpc.health.v1alpha.HealthCheckResponse.ServingStatus"
-  end
-  add_enum "grpc.health.v1alpha.HealthCheckResponse.ServingStatus" do
-    value :UNKNOWN, 0
-    value :SERVING, 1
-    value :NOT_SERVING, 2
-  end
-end
-
-module Grpc
-  module Health
-    module V1alpha
-      HealthCheckRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1alpha.HealthCheckRequest").msgclass
-      HealthCheckResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1alpha.HealthCheckResponse").msgclass
-      HealthCheckResponse::ServingStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.health.v1alpha.HealthCheckResponse.ServingStatus").enummodule
-    end
-  end
-end
diff --git a/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
new file mode 100644
index 0000000000..9f6e7e0e42
--- /dev/null
+++ b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
@@ -0,0 +1,28 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: src/proto/grpc/testing/duplicate/echo_duplicate.proto for package 'grpc.testing.duplicate'
+
+require 'grpc'
+require 'src/proto/grpc/testing/duplicate/echo_duplicate'
+
+module Grpc
+  module Testing
+    module Duplicate
+      module EchoTestService
+
+        # TODO: add proto service documentation here
+        class Service
+
+          include GRPC::GenericService
+
+          self.marshal_class_method = :encode
+          self.unmarshal_class_method = :decode
+          self.service_name = 'grpc.testing.duplicate.EchoTestService'
+
+          rpc :Echo, Grpc::Testing::EchoRequest, Grpc::Testing::EchoResponse
+        end
+
+        Stub = Service.rpc_stub_class
+      end
+    end
+  end
+end
diff --git a/src/ruby/pb/test/client.rb b/src/ruby/pb/test/client.rb
index 684ee80771..2f83e67c52 100755
--- a/src/ruby/pb/test/client.rb
+++ b/src/ruby/pb/test/client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/qps/client.rb b/src/ruby/qps/client.rb
new file mode 100644
index 0000000000..d04f707479
--- /dev/null
+++ b/src/ruby/qps/client.rb
@@ -0,0 +1,164 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'histogram'
+require 'src/proto/grpc/testing/services_services'
+
+class Poisson
+  def interarrival
+    @lambda_recip * (-Math.log(1.0-rand))
+  end
+  def advance
+    t = @next_time
+    @next_time += interarrival
+    t
+  end
+  def initialize(lambda)
+    @lambda_recip = 1.0/lambda
+    @next_time = Time.now + interarrival
+  end
+end
+
+class BenchmarkClient
+  def initialize(config)
+    opts = {}
+    if config.security_params
+      if config.security_params.use_test_ca
+        certs = load_test_certs
+        cred = GRPC::Core::ChannelCredentials.new(certs[0])
+      else
+        cred = GRPC::Core::ChannelCredentials.new()
+      end
+      if config.security_params.server_host_override
+        opts[GRPC::Core::Channel::SSL_TARGET] =
+          config.security_params.server_host_override
+      end
+    else
+      cred = :this_channel_is_insecure
+    end
+    @histres = config.histogram_params.resolution
+    @histmax = config.histogram_params.max_possible
+    @start_time = Time.now
+    @histogram = Histogram.new(@histres, @histmax)
+    @done = false
+
+    gtsr = Grpc::Testing::SimpleRequest
+    gtpt = Grpc::Testing::PayloadType
+    gtp = Grpc::Testing::Payload
+    simple_params = config.payload_config.simple_params
+    req = gtsr.new(response_type: gtpt::COMPRESSABLE,
+                   response_size: simple_params.resp_size,
+                   payload: gtp.new(type: gtpt::COMPRESSABLE,
+                                    body: nulls(simple_params.req_size)))
+
+    (0..config.client_channels-1).each do |chan|
+      gtbss = Grpc::Testing::BenchmarkService::Stub
+      st = config.server_targets
+      stub = gtbss.new(st[chan % st.length], cred, **opts)
+      (0..config.outstanding_rpcs_per_channel-1).each do |r|
+        Thread.new {
+          case config.load_params.load.to_s
+          when 'closed_loop'
+            waiter = nil
+          when 'poisson'
+            waiter = Poisson.new(config.load_params.poisson.offered_load /
+                                 (config.client_channels *
+                                  config.outstanding_rpcs_per_channel))
+          end
+          case config.rpc_type
+          when :UNARY
+            unary_ping_ponger(req,stub,config,waiter)
+          when :STREAMING
+            streaming_ping_ponger(req,stub,config,waiter)
+          end
+        }
+      end
+    end
+  end
+  def wait_to_issue(waiter)
+    if waiter
+      delay = waiter.advance-Time.now
+      sleep delay if delay > 0
+    end
+  end
+  def unary_ping_ponger(req, stub, config,waiter)
+    while !@done
+      wait_to_issue(waiter)
+      start = Time.now
+      resp = stub.unary_call(req)
+      @histogram.add((Time.now-start)*1e9)
+    end
+  end
+  def streaming_ping_ponger(req, stub, config, waiter)
+    q = EnumeratorQueue.new(self)
+    resp = stub.streaming_call(q.each_item)
+    start = Time.now
+    q.push(req)
+    resp.each do |r|
+      @histogram.add((Time.now-start)*1e9)
+      if !@done
+        wait_to_issue(waiter)
+        start = Time.now
+        q.push(req)
+      else
+        q.push(self)
+        break
+      end
+    end
+  end
+  def mark(reset)
+    lat = Grpc::Testing::HistogramData.new(
+      bucket: @histogram.contents,
+      min_seen: @histogram.minimum,
+      max_seen: @histogram.maximum,
+      sum: @histogram.sum,
+      sum_of_squares: @histogram.sum_of_squares,
+      count: @histogram.count
+    )
+    elapsed = Time.now-@start_time
+    if reset
+      @start_time = Time.now
+      @histogram = Histogram.new(@histres, @histmax)
+    end
+    Grpc::Testing::ClientStats.new(latencies: lat, time_elapsed: elapsed)
+  end
+  def shutdown
+    @done = true
+  end
+end
diff --git a/src/ruby/qps/histogram.rb b/src/ruby/qps/histogram.rb
new file mode 100644
index 0000000000..bf7a89ac46
--- /dev/null
+++ b/src/ruby/qps/histogram.rb
@@ -0,0 +1,88 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Histogram class for use in performance testing and measurement
+
+class Histogram
+  # Determine the bucket index for a given value
+  # @param {number} value The value to check
+  # @return {number} The bucket index
+  def bucket_for(value)
+    (Math.log(value)/Math.log(@multiplier)).to_i
+  end
+  # Initialize an empty histogram
+  # @param {number} resolution The resolution of the histogram
+  # @param {number} max_possible The maximum value for the histogram
+  def initialize(resolution, max_possible)
+    @resolution=resolution
+    @max_possible=max_possible
+    @sum=0
+    @sum_of_squares=0
+    @multiplier=1+resolution
+    @count=0
+    @min_seen=max_possible
+    @max_seen=0
+    @buckets=Array.new(bucket_for(max_possible)+1, 0)
+  end
+  # Add a value to the histogram. This updates all statistics with the new
+  # value. Those statistics should not be modified except with this function
+  # @param {number} value The value to add
+  def add(value)
+    @sum += value
+    @sum_of_squares += value * value
+    @count += 1
+    if value < @min_seen
+      @min_seen = value
+    end
+    if value > @max_seen
+      @max_seen = value
+    end
+    @buckets[bucket_for(value)] += 1
+  end
+  def minimum
+    @min_seen
+  end
+  def maximum
+    @max_seen
+  end
+  def sum
+    @sum
+  end
+  def sum_of_squares
+    @sum_of_squares
+  end
+  def count
+    @count
+  end
+  def contents
+    @buckets
+  end
+end
diff --git a/src/ruby/qps/qps-common.rb b/src/ruby/qps/qps-common.rb
new file mode 100644
index 0000000000..4119d600b1
--- /dev/null
+++ b/src/ruby/qps/qps-common.rb
@@ -0,0 +1,76 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+
+# produces a string of null chars (\0 aka pack 'x') of length l.
+def nulls(l)
+  fail 'requires #{l} to be +ve' if l < 0
+  [].pack('x' * l).force_encoding('ascii-8bit')
+end
+
+# load the test-only certificates
+def load_test_certs
+  this_dir = File.expand_path(File.dirname(__FILE__))
+  data_dir = File.join(File.dirname(this_dir), 'spec/testdata')
+  files = ['ca.pem', 'server1.key', 'server1.pem']
+  files.map { |f| File.open(File.join(data_dir, f)).read }
+end
+
+# A EnumeratorQueue wraps a Queue yielding the items added to it via each_item.
+class EnumeratorQueue
+  extend Forwardable
+  def_delegators :@q, :push
+
+  def initialize(sentinel)
+    @q = Queue.new
+    @sentinel = sentinel
+  end
+
+  def each_item
+    return enum_for(:each_item) unless block_given?
+    loop do
+      r = @q.pop
+      break if r.equal?(@sentinel)
+      fail r if r.is_a? Exception
+      yield r
+    end
+  end
+end
+
+
diff --git a/src/ruby/qps/server.rb b/src/ruby/qps/server.rb
new file mode 100644
index 0000000000..26f46a3140
--- /dev/null
+++ b/src/ruby/qps/server.rb
@@ -0,0 +1,91 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'qps-common'
+require 'src/proto/grpc/testing/messages'
+require 'src/proto/grpc/testing/services_services'
+require 'src/proto/grpc/testing/stats'
+
+class BenchmarkServiceImpl < Grpc::Testing::BenchmarkService::Service
+  def unary_call(req, _call)
+    sr = Grpc::Testing::SimpleResponse
+    pl = Grpc::Testing::Payload
+    sr.new(payload: pl.new(body: nulls(req.response_size)))
+  end
+  def streaming_call(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      sr = Grpc::Testing::SimpleResponse
+      pl = Grpc::Testing::Payload
+      reqs.each do |req|
+        q.push(sr.new(payload: pl.new(body: nulls(req.response_size))))
+      end
+      q.push(self)
+    }
+    q.each_item
+  end
+end
+
+class BenchmarkServer
+  def initialize(config, port)
+    if config.security_params
+      certs = load_test_certs
+      cred = GRPC::Core::ServerCredentials.new(
+        nil, [{private_key: certs[1], cert_chain: certs[2]}], false)
+    else
+      cred = :this_port_is_insecure
+    end
+    @server = GRPC::RpcServer.new
+    @port = @server.add_http2_port("0.0.0.0:" + port.to_s, cred)
+    @server.handle(BenchmarkServiceImpl.new)
+    @start_time = Time.now
+    Thread.new {
+      @server.run
+    }
+  end
+  def mark(reset)
+    s = Grpc::Testing::ServerStats.new(time_elapsed:
+                                         (Time.now-@start_time).to_f)
+    @start_time = Time.now if reset
+    s
+  end
+  def get_port
+    @port
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/control.rb b/src/ruby/qps/src/proto/grpc/testing/control.rb
new file mode 100644
index 0000000000..d007123f26
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/control.rb
@@ -0,0 +1,129 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/control.proto
+
+require 'google/protobuf'
+
+require 'src/proto/grpc/testing/payloads'
+require 'src/proto/grpc/testing/stats'
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.PoissonParams" do
+    optional :offered_load, :double, 1
+  end
+  add_message "grpc.testing.UniformParams" do
+    optional :interarrival_lo, :double, 1
+    optional :interarrival_hi, :double, 2
+  end
+  add_message "grpc.testing.DeterministicParams" do
+    optional :offered_load, :double, 1
+  end
+  add_message "grpc.testing.ParetoParams" do
+    optional :interarrival_base, :double, 1
+    optional :alpha, :double, 2
+  end
+  add_message "grpc.testing.ClosedLoopParams" do
+  end
+  add_message "grpc.testing.LoadParams" do
+    oneof :load do
+      optional :closed_loop, :message, 1, "grpc.testing.ClosedLoopParams"
+      optional :poisson, :message, 2, "grpc.testing.PoissonParams"
+      optional :uniform, :message, 3, "grpc.testing.UniformParams"
+      optional :determ, :message, 4, "grpc.testing.DeterministicParams"
+      optional :pareto, :message, 5, "grpc.testing.ParetoParams"
+    end
+  end
+  add_message "grpc.testing.SecurityParams" do
+    optional :use_test_ca, :bool, 1
+    optional :server_host_override, :string, 2
+  end
+  add_message "grpc.testing.ClientConfig" do
+    repeated :server_targets, :string, 1
+    optional :client_type, :enum, 2, "grpc.testing.ClientType"
+    optional :security_params, :message, 3, "grpc.testing.SecurityParams"
+    optional :outstanding_rpcs_per_channel, :int32, 4
+    optional :client_channels, :int32, 5
+    optional :async_client_threads, :int32, 7
+    optional :rpc_type, :enum, 8, "grpc.testing.RpcType"
+    optional :load_params, :message, 10, "grpc.testing.LoadParams"
+    optional :payload_config, :message, 11, "grpc.testing.PayloadConfig"
+    optional :histogram_params, :message, 12, "grpc.testing.HistogramParams"
+    repeated :core_list, :int32, 13
+    optional :core_limit, :int32, 14
+  end
+  add_message "grpc.testing.ClientStatus" do
+    optional :stats, :message, 1, "grpc.testing.ClientStats"
+  end
+  add_message "grpc.testing.Mark" do
+    optional :reset, :bool, 1
+  end
+  add_message "grpc.testing.ClientArgs" do
+    oneof :argtype do
+      optional :setup, :message, 1, "grpc.testing.ClientConfig"
+      optional :mark, :message, 2, "grpc.testing.Mark"
+    end
+  end
+  add_message "grpc.testing.ServerConfig" do
+    optional :server_type, :enum, 1, "grpc.testing.ServerType"
+    optional :security_params, :message, 2, "grpc.testing.SecurityParams"
+    optional :port, :int32, 4
+    optional :async_server_threads, :int32, 7
+    optional :core_limit, :int32, 8
+    optional :payload_config, :message, 9, "grpc.testing.PayloadConfig"
+    repeated :core_list, :int32, 10
+  end
+  add_message "grpc.testing.ServerArgs" do
+    oneof :argtype do
+      optional :setup, :message, 1, "grpc.testing.ServerConfig"
+      optional :mark, :message, 2, "grpc.testing.Mark"
+    end
+  end
+  add_message "grpc.testing.ServerStatus" do
+    optional :stats, :message, 1, "grpc.testing.ServerStats"
+    optional :port, :int32, 2
+    optional :cores, :int32, 3
+  end
+  add_message "grpc.testing.CoreRequest" do
+  end
+  add_message "grpc.testing.CoreResponse" do
+    optional :cores, :int32, 1
+  end
+  add_message "grpc.testing.Void" do
+  end
+  add_enum "grpc.testing.ClientType" do
+    value :SYNC_CLIENT, 0
+    value :ASYNC_CLIENT, 1
+  end
+  add_enum "grpc.testing.ServerType" do
+    value :SYNC_SERVER, 0
+    value :ASYNC_SERVER, 1
+    value :ASYNC_GENERIC_SERVER, 2
+  end
+  add_enum "grpc.testing.RpcType" do
+    value :UNARY, 0
+    value :STREAMING, 1
+  end
+end
+
+module Grpc
+  module Testing
+    PoissonParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PoissonParams").msgclass
+    UniformParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.UniformParams").msgclass
+    DeterministicParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.DeterministicParams").msgclass
+    ParetoParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ParetoParams").msgclass
+    ClosedLoopParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClosedLoopParams").msgclass
+    LoadParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.LoadParams").msgclass
+    SecurityParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SecurityParams").msgclass
+    ClientConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientConfig").msgclass
+    ClientStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientStatus").msgclass
+    Mark = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Mark").msgclass
+    ClientArgs = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientArgs").msgclass
+    ServerConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerConfig").msgclass
+    ServerArgs = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerArgs").msgclass
+    ServerStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerStatus").msgclass
+    CoreRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CoreRequest").msgclass
+    CoreResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CoreResponse").msgclass
+    Void = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Void").msgclass
+    ClientType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientType").enummodule
+    ServerType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerType").enummodule
+    RpcType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.RpcType").enummodule
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/messages.rb b/src/ruby/qps/src/proto/grpc/testing/messages.rb
new file mode 100644
index 0000000000..b9c32dbef5
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/messages.rb
@@ -0,0 +1,80 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/messages.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.Payload" do
+    optional :type, :enum, 1, "grpc.testing.PayloadType"
+    optional :body, :bytes, 2
+  end
+  add_message "grpc.testing.EchoStatus" do
+    optional :code, :int32, 1
+    optional :message, :string, 2
+  end
+  add_message "grpc.testing.SimpleRequest" do
+    optional :response_type, :enum, 1, "grpc.testing.PayloadType"
+    optional :response_size, :int32, 2
+    optional :payload, :message, 3, "grpc.testing.Payload"
+    optional :fill_username, :bool, 4
+    optional :fill_oauth_scope, :bool, 5
+    optional :response_compression, :enum, 6, "grpc.testing.CompressionType"
+    optional :response_status, :message, 7, "grpc.testing.EchoStatus"
+  end
+  add_message "grpc.testing.SimpleResponse" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+    optional :username, :string, 2
+    optional :oauth_scope, :string, 3
+  end
+  add_message "grpc.testing.StreamingInputCallRequest" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+  end
+  add_message "grpc.testing.StreamingInputCallResponse" do
+    optional :aggregated_payload_size, :int32, 1
+  end
+  add_message "grpc.testing.ResponseParameters" do
+    optional :size, :int32, 1
+    optional :interval_us, :int32, 2
+  end
+  add_message "grpc.testing.StreamingOutputCallRequest" do
+    optional :response_type, :enum, 1, "grpc.testing.PayloadType"
+    repeated :response_parameters, :message, 2, "grpc.testing.ResponseParameters"
+    optional :payload, :message, 3, "grpc.testing.Payload"
+    optional :response_compression, :enum, 6, "grpc.testing.CompressionType"
+    optional :response_status, :message, 7, "grpc.testing.EchoStatus"
+  end
+  add_message "grpc.testing.StreamingOutputCallResponse" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+  end
+  add_message "grpc.testing.ReconnectInfo" do
+    optional :passed, :bool, 1
+    repeated :backoff_ms, :int32, 2
+  end
+  add_enum "grpc.testing.PayloadType" do
+    value :COMPRESSABLE, 0
+    value :UNCOMPRESSABLE, 1
+    value :RANDOM, 2
+  end
+  add_enum "grpc.testing.CompressionType" do
+    value :NONE, 0
+    value :GZIP, 1
+    value :DEFLATE, 2
+  end
+end
+
+module Grpc
+  module Testing
+    Payload = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Payload").msgclass
+    EchoStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.EchoStatus").msgclass
+    SimpleRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleRequest").msgclass
+    SimpleResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleResponse").msgclass
+    StreamingInputCallRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingInputCallRequest").msgclass
+    StreamingInputCallResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingInputCallResponse").msgclass
+    ResponseParameters = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ResponseParameters").msgclass
+    StreamingOutputCallRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingOutputCallRequest").msgclass
+    StreamingOutputCallResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingOutputCallResponse").msgclass
+    ReconnectInfo = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ReconnectInfo").msgclass
+    PayloadType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PayloadType").enummodule
+    CompressionType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CompressionType").enummodule
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/payloads.rb b/src/ruby/qps/src/proto/grpc/testing/payloads.rb
new file mode 100644
index 0000000000..ae8855f685
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/payloads.rb
@@ -0,0 +1,33 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/payloads.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.ByteBufferParams" do
+    optional :req_size, :int32, 1
+    optional :resp_size, :int32, 2
+  end
+  add_message "grpc.testing.SimpleProtoParams" do
+    optional :req_size, :int32, 1
+    optional :resp_size, :int32, 2
+  end
+  add_message "grpc.testing.ComplexProtoParams" do
+  end
+  add_message "grpc.testing.PayloadConfig" do
+    oneof :payload do
+      optional :bytebuf_params, :message, 1, "grpc.testing.ByteBufferParams"
+      optional :simple_params, :message, 2, "grpc.testing.SimpleProtoParams"
+      optional :complex_params, :message, 3, "grpc.testing.ComplexProtoParams"
+    end
+  end
+end
+
+module Grpc
+  module Testing
+    ByteBufferParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ByteBufferParams").msgclass
+    SimpleProtoParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleProtoParams").msgclass
+    ComplexProtoParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ComplexProtoParams").msgclass
+    PayloadConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PayloadConfig").msgclass
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/services.rb b/src/ruby/qps/src/proto/grpc/testing/services.rb
new file mode 100644
index 0000000000..b2675c2afe
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/services.rb
@@ -0,0 +1,14 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/services.proto
+
+require 'google/protobuf'
+
+require 'src/proto/grpc/testing/messages'
+require 'src/proto/grpc/testing/control'
+Google::Protobuf::DescriptorPool.generated_pool.build do
+end
+
+module Grpc
+  module Testing
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/services_services.rb b/src/ruby/qps/src/proto/grpc/testing/services_services.rb
new file mode 100644
index 0000000000..3fd9f20f47
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/services_services.rb
@@ -0,0 +1,46 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: src/proto/grpc/testing/services.proto for package 'grpc.testing'
+
+require 'grpc'
+require 'src/proto/grpc/testing/services'
+
+module Grpc
+  module Testing
+    module BenchmarkService
+
+      # TODO: add proto service documentation here
+      class Service
+
+        include GRPC::GenericService
+
+        self.marshal_class_method = :encode
+        self.unmarshal_class_method = :decode
+        self.service_name = 'grpc.testing.BenchmarkService'
+
+        rpc :UnaryCall, SimpleRequest, SimpleResponse
+        rpc :StreamingCall, stream(SimpleRequest), stream(SimpleResponse)
+      end
+
+      Stub = Service.rpc_stub_class
+    end
+    module WorkerService
+
+      # TODO: add proto service documentation here
+      class Service
+
+        include GRPC::GenericService
+
+        self.marshal_class_method = :encode
+        self.unmarshal_class_method = :decode
+        self.service_name = 'grpc.testing.WorkerService'
+
+        rpc :RunServer, stream(ServerArgs), stream(ServerStatus)
+        rpc :RunClient, stream(ClientArgs), stream(ClientStatus)
+        rpc :CoreCount, CoreRequest, CoreResponse
+        rpc :QuitWorker, Void, Void
+      end
+
+      Stub = Service.rpc_stub_class
+    end
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/stats.rb b/src/ruby/qps/src/proto/grpc/testing/stats.rb
new file mode 100644
index 0000000000..41f75bedf0
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/stats.rb
@@ -0,0 +1,39 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/stats.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.ServerStats" do
+    optional :time_elapsed, :double, 1
+    optional :time_user, :double, 2
+    optional :time_system, :double, 3
+  end
+  add_message "grpc.testing.HistogramParams" do
+    optional :resolution, :double, 1
+    optional :max_possible, :double, 2
+  end
+  add_message "grpc.testing.HistogramData" do
+    repeated :bucket, :uint32, 1
+    optional :min_seen, :double, 2
+    optional :max_seen, :double, 3
+    optional :sum, :double, 4
+    optional :sum_of_squares, :double, 5
+    optional :count, :double, 6
+  end
+  add_message "grpc.testing.ClientStats" do
+    optional :latencies, :message, 1, "grpc.testing.HistogramData"
+    optional :time_elapsed, :double, 2
+    optional :time_user, :double, 3
+    optional :time_system, :double, 4
+  end
+end
+
+module Grpc
+  module Testing
+    ServerStats = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerStats").msgclass
+    HistogramParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.HistogramParams").msgclass
+    HistogramData = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.HistogramData").msgclass
+    ClientStats = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientStats").msgclass
+  end
+end
diff --git a/src/ruby/qps/worker.rb b/src/ruby/qps/worker.rb
new file mode 100755
index 0000000000..7c29204cc2
--- /dev/null
+++ b/src/ruby/qps/worker.rb
@@ -0,0 +1,128 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'optparse'
+require 'histogram'
+require 'etc'
+require 'facter'
+require 'client'
+require 'qps-common'
+require 'server'
+require 'src/proto/grpc/testing/services_services'
+
+class WorkerServiceImpl < Grpc::Testing::WorkerService::Service
+  def cpu_cores
+    Facter.value('processors')['count']
+  end
+  def run_server(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      bms = ''
+      gtss = Grpc::Testing::ServerStatus
+      reqs.each do |req|        
+        case req.argtype.to_s
+        when 'setup'
+          bms = BenchmarkServer.new(req.setup, @server_port)
+          q.push(gtss.new(stats: bms.mark(false), port: bms.get_port))
+        when 'mark'         
+          q.push(gtss.new(stats: bms.mark(req.mark.reset), cores: cpu_cores))
+        end
+      end
+      q.push(self)
+      bms.stop
+    }
+    q.each_item
+  end
+  def run_client(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      client = ''
+      reqs.each do |req|
+        case req.argtype.to_s
+        when 'setup'
+          client = BenchmarkClient.new(req.setup)
+          q.push(Grpc::Testing::ClientStatus.new(stats: client.mark(false)))
+        when 'mark'
+          q.push(Grpc::Testing::ClientStatus.new(stats:
+                                                   client.mark(req.mark.reset)))
+        end
+      end
+      q.push(self)
+      client.shutdown
+    }
+    q.each_item
+  end
+  def core_count(_args, _call)
+    Grpc::Testing::CoreResponse.new(cores: cpu_cores)
+  end
+  def quit_worker(_args, _call)
+    Thread.new {
+      sleep 3
+      @server.stop
+    }
+    Grpc::Testing::Void.new
+  end
+  def initialize(s, sp)
+    @server = s
+    @server_port = sp
+  end
+end
+
+def main
+  options = {
+    'driver_port' => 0,
+    'server_port' => 0
+  }
+  OptionParser.new do |opts|
+    opts.banner = 'Usage: [--driver_port <port>] [--server_port <port>]'
+    opts.on('--driver_port PORT', '<port>') do |v|
+      options['driver_port'] = v
+    end
+    opts.on('--server_port PORT', '<port>') do |v|
+      options['server_port'] = v
+    end
+  end.parse!
+  s = GRPC::RpcServer.new
+  s.add_http2_port("0.0.0.0:" + options['driver_port'].to_s,
+                   :this_port_is_insecure)
+  s.handle(WorkerServiceImpl.new(s, options['server_port'].to_i))
+  s.run
+end
+
+main
diff --git a/src/ruby/spec/client_server_spec.rb b/src/ruby/spec/client_server_spec.rb
index 7ef534571f..aedeca272d 100644
--- a/src/ruby/spec/client_server_spec.rb
+++ b/src/ruby/spec/client_server_spec.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/spec/generic/client_stub_spec.rb b/src/ruby/spec/generic/client_stub_spec.rb
index 5e13c25fcf..dd8e2e9f7a 100644
--- a/src/ruby/spec/generic/client_stub_spec.rb
+++ b/src/ruby/spec/generic/client_stub_spec.rb
@@ -193,44 +193,45 @@ describe 'ClientStub' do
   describe '#client_streamer' do
     shared_examples 'client streaming' do
       before(:each) do
+        server_port = create_test_server
+        host = "localhost:#{server_port}"
+        @stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
+        @options = { k1: 'v1', k2: 'v2' }
         @sent_msgs = Array.new(3) { |i| 'msg_' + (i + 1).to_s }
         @resp = 'a_reply'
       end
 
       it 'should send requests to/receive a reply from a server' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @pass)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should send metadata to the server ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
-        th = run_client_streamer(@sent_msgs, @resp, @pass,
-                                 k1: 'v1', k2: 'v2')
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        th = run_client_streamer(@sent_msgs, @resp, @pass, @options)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should raise an error if the status is not ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @fail)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        blk = proc { get_response(stub) }
+        blk = proc { get_response(@stub) }
         expect(&blk).to raise_error(GRPC::BadStatus)
         th.join
       end
+
+      it 'should raise ArgumentError if metadata contains invalid values' do
+        @options.merge!(k3: 3)
+        expect do
+          get_response(@stub)
+        end.to raise_error(ArgumentError,
+                           /Header values must be of type string or array/)
+      end
     end
 
     describe 'without a call operation' do
       def get_response(stub)
-        stub.client_streamer(@method, @sent_msgs, noop, noop,
-                             k1: 'v1', k2: 'v2')
+        stub.client_streamer(@method, @sent_msgs, noop, noop, @options)
       end
 
       it_behaves_like 'client streaming'
@@ -239,7 +240,7 @@ describe 'ClientStub' do
     describe 'via a call operation' do
       def get_response(stub)
         op = stub.client_streamer(@method, @sent_msgs, noop, noop,
-                                  return_op: true, k1: 'v1', k2: 'v2')
+                                  @options.merge(return_op: true))
         expect(op).to be_a(GRPC::ActiveCall::Operation)
         op.execute
       end
diff --git a/src/ruby/spec/generic/rpc_server_spec.rb b/src/ruby/spec/generic/rpc_server_spec.rb
index be6331d68b..e688057cb1 100644
--- a/src/ruby/spec/generic/rpc_server_spec.rb
+++ b/src/ruby/spec/generic/rpc_server_spec.rb
@@ -220,19 +220,10 @@ describe GRPC::RpcServer do
       @srv = RpcServer.new(**opts)
     end
 
-    after(:each) do
-      @srv.stop
-    end
-
     it 'starts out false' do
       expect(@srv.stopped?).to be(false)
     end
 
-    it 'stays false after a #stop is called before #run' do
-      @srv.stop
-      expect(@srv.stopped?).to be(false)
-    end
-
     it 'stays false after the server starts running', server: true do
       @srv.handle(EchoService)
       t = Thread.new { @srv.run }
@@ -247,8 +238,8 @@ describe GRPC::RpcServer do
       t = Thread.new { @srv.run }
       @srv.wait_till_running
       @srv.stop
-      expect(@srv.stopped?).to be(true)
       t.join
+      expect(@srv.stopped?).to be(true)
     end
   end
 
@@ -266,9 +257,7 @@ describe GRPC::RpcServer do
         server_override: @server
       }
       r = RpcServer.new(**opts)
-      r.run
-      expect(r.running?).to be(false)
-      r.stop
+      expect { r.run }.to raise_error(RuntimeError)
     end
 
     it 'is true after run is called with a registered service' do
@@ -293,10 +282,6 @@ describe GRPC::RpcServer do
       @srv = RpcServer.new(**@opts)
     end
 
-    after(:each) do
-      @srv.stop
-    end
-
     it 'raises if #run has already been called' do
       @srv.handle(EchoService)
       t = Thread.new { @srv.run }
@@ -441,7 +426,7 @@ describe GRPC::RpcServer do
         threads.each(&:join)
       end
 
-      it 'should return UNAVAILABLE on too many jobs', server: true do
+      it 'should return RESOURCE_EXHAUSTED on too many jobs', server: true do
         opts = {
           a_channel_arg: 'an_arg',
           server_override: @server,
@@ -464,7 +449,8 @@ describe GRPC::RpcServer do
             begin
               stub.an_rpc(req)
             rescue GRPC::BadStatus => e
-              one_failed_as_unavailable = e.code == StatusCodes::UNAVAILABLE
+              one_failed_as_unavailable =
+                e.code == StatusCodes::RESOURCE_EXHAUSTED
             end
           end
         end
@@ -528,10 +514,6 @@ describe GRPC::RpcServer do
         @srv = RpcServer.new(**server_opts)
       end
 
-      after(:each) do
-        @srv.stop
-      end
-
       it 'should be added to BadStatus when requests fail', server: true do
         service = FailingService.new
         @srv.handle(service)
diff --git a/src/ruby/spec/pb/duplicate/codegen_spec.rb b/src/ruby/spec/pb/duplicate/codegen_spec.rb
new file mode 100644
index 0000000000..54c136c510
--- /dev/null
+++ b/src/ruby/spec/pb/duplicate/codegen_spec.rb
@@ -0,0 +1,71 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'open3'
+require 'tmpdir'
+
+def can_run_codegen_check
+  system('which grpc_ruby_plugin') && system('which protoc')
+end
+
+describe 'Ping protobuf code generation' do
+  if !can_run_codegen_check
+    skip 'protoc || grpc_ruby_plugin missing, cannot verify ping code-gen'
+  else
+    it 'should have the same content as created by code generation' do
+      root_dir = File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..')
+
+      # Get the current content
+      service_path = File.join(root_dir, 'src', 'ruby', 'pb', 'grpc',
+                               'testing', 'duplicate',
+                               'echo_duplicate_services.rb')
+      want = nil
+      File.open(service_path) { |f| want = f.read }
+
+      # Regenerate it
+      plugin, = Open3.capture2('which', 'grpc_ruby_plugin')
+      plugin = plugin.strip
+      got = nil
+      Dir.mktmpdir do |tmp_dir|
+        gen_out = File.join(tmp_dir, 'src', 'proto', 'grpc', 'testing',
+                            'duplicate', 'echo_duplicate_services.rb')
+        pid = spawn(
+          'protoc',
+          '-I.',
+          'src/proto/grpc/testing/duplicate/echo_duplicate.proto',
+          "--grpc_out=#{tmp_dir}",
+          "--plugin=protoc-gen-grpc=#{plugin}",
+          chdir: root_dir)
+        Process.wait(pid)
+        File.open(gen_out) { |f| got = f.read }
+      end
+      expect(got).to eq(want)
+    end
+  end
+end
diff --git a/src/ruby/spec/pb/health/checker_spec.rb b/src/ruby/spec/pb/health/checker_spec.rb
index c1decd822a..5523347f45 100644
--- a/src/ruby/spec/pb/health/checker_spec.rb
+++ b/src/ruby/spec/pb/health/checker_spec.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/health/v1alpha/health'
+require 'grpc/health/v1/health'
 require 'grpc/health/checker'
 require 'open3'
 require 'tmpdir'
@@ -43,7 +43,7 @@ describe 'Health protobuf code generation' do
       skip 'protoc || grpc_ruby_plugin missing, cannot verify health code-gen'
     else
       it 'should already be loaded indirectly i.e, used by the other specs' do
-        expect(require('grpc/health/v1alpha/health_services')).to be(false)
+        expect(require('grpc/health/v1/health_services')).to be(false)
       end
 
       it 'should have the same content as created by code generation' do
@@ -52,7 +52,7 @@ describe 'Health protobuf code generation' do
 
         # Get the current content
         service_path = File.join(root_dir, 'ruby', 'pb', 'grpc',
-                                 'health', 'v1alpha', 'health_services.rb')
+                                 'health', 'v1', 'health_services.rb')
         want = nil
         File.open(service_path) { |f| want = f.read }
 
@@ -61,12 +61,12 @@ describe 'Health protobuf code generation' do
         plugin = plugin.strip
         got = nil
         Dir.mktmpdir do |tmp_dir|
-          gen_out = File.join(tmp_dir, 'grpc', 'health', 'v1alpha',
+          gen_out = File.join(tmp_dir, 'grpc', 'health', 'v1',
                               'health_services.rb')
           pid = spawn(
             'protoc',
             '-I.',
-            'grpc/health/v1alpha/health.proto',
+            'grpc/health/v1/health.proto',
             "--grpc_out=#{tmp_dir}",
             "--plugin=protoc-gen-grpc=#{plugin}",
             chdir: pb_dir)
@@ -81,27 +81,17 @@ end
 
 describe Grpc::Health::Checker do
   StatusCodes = GRPC::Core::StatusCodes
-  ServingStatus = Grpc::Health::V1alpha::HealthCheckResponse::ServingStatus
-  HCResp = Grpc::Health::V1alpha::HealthCheckResponse
-  HCReq = Grpc::Health::V1alpha::HealthCheckRequest
+  ServingStatus = Grpc::Health::V1::HealthCheckResponse::ServingStatus
+  HCResp = Grpc::Health::V1::HealthCheckResponse
+  HCReq = Grpc::Health::V1::HealthCheckRequest
   success_tests =
     [
       {
-        desc: 'neither host or service are specified',
-        host: '',
+        desc: 'the service is not specified',
         service: ''
       }, {
-        desc: 'only the host is specified',
-        host: 'test-fake-host',
-        service: ''
-      }, {
-        desc: 'the host and service are specified',
-        host: 'test-fake-host',
+        desc: 'the service is specified',
         service: 'fake-service-1'
-      }, {
-        desc: 'only the service is specified',
-        host: '',
-        service: 'fake-service-2'
       }
     ]
 
@@ -114,9 +104,8 @@ describe Grpc::Health::Checker do
   context 'method `add_status` and `check`' do
     success_tests.each do |t|
       it "should succeed when #{t[:desc]}" do
-        subject.add_status(t[:host], t[:service], ServingStatus::NOT_SERVING)
-        got = subject.check(HCReq.new(host: t[:host], service: t[:service]),
-                            nil)
+        subject.add_status(t[:service], ServingStatus::NOT_SERVING)
+        got = subject.check(HCReq.new(service: t[:service]), nil)
         want = HCResp.new(status: ServingStatus::NOT_SERVING)
         expect(got).to eq(want)
       end
@@ -127,7 +116,7 @@ describe Grpc::Health::Checker do
     success_tests.each do |t|
       it "should fail with NOT_FOUND when #{t[:desc]}" do
         blk = proc do
-          subject.check(HCReq.new(host: t[:host], service: t[:service]), nil)
+          subject.check(HCReq.new(service: t[:service]), nil)
         end
         expected_msg = /#{StatusCodes::NOT_FOUND}/
         expect(&blk).to raise_error GRPC::BadStatus, expected_msg
@@ -138,16 +127,14 @@ describe Grpc::Health::Checker do
   context 'method `clear_status`' do
     success_tests.each do |t|
       it "should fail after clearing status when #{t[:desc]}" do
-        subject.add_status(t[:host], t[:service], ServingStatus::NOT_SERVING)
-        got = subject.check(HCReq.new(host: t[:host], service: t[:service]),
-                            nil)
+        subject.add_status(t[:service], ServingStatus::NOT_SERVING)
+        got = subject.check(HCReq.new(service: t[:service]), nil)
         want = HCResp.new(status: ServingStatus::NOT_SERVING)
         expect(got).to eq(want)
 
-        subject.clear_status(t[:host], t[:service])
+        subject.clear_status(t[:service])
         blk = proc do
-          subject.check(HCReq.new(host: t[:host], service: t[:service]),
-                        nil)
+          subject.check(HCReq.new(service: t[:service]), nil)
         end
         expected_msg = /#{StatusCodes::NOT_FOUND}/
         expect(&blk).to raise_error GRPC::BadStatus, expected_msg
@@ -158,9 +145,8 @@ describe Grpc::Health::Checker do
   context 'method `clear_all`' do
     it 'should return NOT_FOUND after being invoked' do
       success_tests.each do |t|
-        subject.add_status(t[:host], t[:service], ServingStatus::NOT_SERVING)
-        got = subject.check(HCReq.new(host: t[:host], service: t[:service]),
-                            nil)
+        subject.add_status(t[:service], ServingStatus::NOT_SERVING)
+        got = subject.check(HCReq.new(service: t[:service]), nil)
         want = HCResp.new(status: ServingStatus::NOT_SERVING)
         expect(got).to eq(want)
       end
@@ -169,7 +155,7 @@ describe Grpc::Health::Checker do
 
       success_tests.each do |t|
         blk = proc do
-          subject.check(HCReq.new(host: t[:host], service: t[:service]), nil)
+          subject.check(HCReq.new(service: t[:service]), nil)
         end
         expected_msg = /#{StatusCodes::NOT_FOUND}/
         expect(&blk).to raise_error GRPC::BadStatus, expected_msg
@@ -203,7 +189,7 @@ describe Grpc::Health::Checker do
 
     it 'should receive the correct status', server: true do
       @srv.handle(subject)
-      subject.add_status('', '', ServingStatus::NOT_SERVING)
+      subject.add_status('', ServingStatus::NOT_SERVING)
       t = Thread.new { @srv.run }
       @srv.wait_till_running
 
@@ -221,7 +207,7 @@ describe Grpc::Health::Checker do
       @srv.wait_till_running
       blk = proc do
         stub = CheckerStub.new(@host, :this_channel_is_insecure, **@client_opts)
-        stub.check(HCReq.new(host: 'unknown', service: 'unknown'))
+        stub.check(HCReq.new(service: 'unknown'))
       end
       expected_msg = /#{StatusCodes::NOT_FOUND}/
       expect(&blk).to raise_error GRPC::BadStatus, expected_msg
diff --git a/src/zlib/gen_build_yaml.py b/src/zlib/gen_build_yaml.py
index 4bd557367a..0692edb753 100755
--- a/src/zlib/gen_build_yaml.py
+++ b/src/zlib/gen_build_yaml.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/summerofcode/ideas.md b/summerofcode/ideas.md
new file mode 100644
index 0000000000..d87cf1b8fa
--- /dev/null
+++ b/summerofcode/ideas.md
@@ -0,0 +1,54 @@
+# gRPC Summer of Code Project Ideas
+
+Hello students!
+
+We want gRPC to be the universal remote procedure call protocol for all
+computing platforms and paradigms, so while these are our ideas of what we
+think would make good projects for the summer, we're eager to hear your ideas
+and proposals as well.
+[Try us out](https://github.com/grpc/grpc/blob/master/CONTRIBUTING.md) and get
+to know the gRPC code and team!
+
+**Required skills for all projects:** git version control, collaborative
+software development on github.com, and software development in at least one
+of gRPC's ten languages on at least one of Linux, Mac OS X, and Windows.
+
+-------------------------------------
+
+gRPC C Core:
+
+1. Port gRPC to  one of the major BSD platforms ([FreeBSD](https://freebsd.org), [NetBSD](https://netbsd.org), and [OpenBSD](https://openbsd.org)) and create packages for them. Add [kqueue](https://www.freebsd.org/cgi/man.cgi?query=kqueue) support in the process.
+ * **Required skills:** C programming language, BSD operating system.
+ * **Likely mentors:** [Craig Tiller](https://github.com/ctiller),
+ [Nicolas Noble](https://github.com/nicolasnoble),
+ [Vijay Pai](https://github.com/vjpai).
+1. Fix gRPC C-core's URI parser. The current parser does not qualify as a standard parser according to [RFC3986]( https://tools.ietf.org/html/rfc3986). Write test suites to verify this and make changes necessary to make the URI parser compliant.
+ * **Required skills:** C programming language, HTTP standard compliance.
+ * **Likely mentors:** [Craig Tiller](https://github.com/ctiller).
+1. HPACK compression efficiency evaluation - Figure out how to benchmark gRPC's compression efficiency (both in terms of bytes on the wire and cpu cycles). Implement benchmarks. Potentially extend this to other full-stack gRPC implementations (Java and Go).
+ * **Required skills:** C programming language, software performance benchmarking, potentially Java and Go.
+ * **Likely mentors:** [Craig Tiller](https://github.com/ctiller).
+
+
+gRPC Python:
+
+1. Port gRPC Python to [PyPy](http://pypy.org). Investigate the state of [Cython support](http://docs.cython.org/src/userguide/pypy.html) to do this or potentially explore [cffi](https://cffi.readthedocs.org/en/latest/).
+ * **Required skills:** Python programming language, PyPy Python interpreter.
+ * **Likely mentors:** [Nathaniel Manista](https://github.com/nathanielmanistaatgoogle), [Masood Malekghassemi](https://github.com/soltanmm).
+1. Develop and test Python 3.5 Support for gRPC. Make necessary changes to port gRPC and package it for supported platforms.
+ * **Required skills:** Python programming language, Python 3.5 interpreter.
+ * **Likely mentors:** [Nathaniel Manista](https://github.com/nathanielmanistaatgoogle), [Masood Malekghassemi](https://github.com/soltanmm).
+ 
+gRPC Ruby/Java:
+
+1. [jRuby](http://jruby.org) support for gRPC. Develop a jRuby wrapper for gRPC based on grpc-java and ensure that it is API compatible with the existing Ruby implementation and passes all tests.
+ * **Required skills:** Java programming language, Ruby programming language.
+ * **Likely mentors:** [Michael Lumish](https://github.com/murgatroid99), [Eric Anderson](https://github.com/ejona86).
+
+
+gRPC Wire Protocol:
+
+1. Develop a [Wireshark](https://wireshark.org) plugin for the gRPC protocol. Provide documentation and tutorials for this plugin.
+ * **Bonus:** consider set-up and use with mobile clients.
+ * **Required skills:** Wireshark software.
+ * **Likely mentors:** [Nicolas Noble](https://github.com/nicolasnoble).
diff --git a/templates/BUILD.template b/templates/BUILD.template
index 54dc697125..23a656c360 100644
--- a/templates/BUILD.template
+++ b/templates/BUILD.template
@@ -49,7 +49,9 @@
       ]
     if target_dict.get('build', None) == 'protoc':
       deps.append("//external:protobuf_compiler")
-    if target_dict['name'] == 'grpc++_unsecure' or target_dict['name'] == 'grpc++':
+    if (target_dict['name'] == 'grpc++_unsecure' or
+        target_dict['name'] == 'grpc++' or
+        target_dict['name'] == 'grpc++_codegen_lib'):
       deps.append("//external:protobuf_clib")
     elif target_dict['name'] == 'grpc':
       deps.append("//external:zlib")
@@ -60,7 +62,7 @@
         deps.append(':%s' % (d))
     return deps
   %>
-  
+
   % for lib in libs:
   % if lib.build in ("all", "protoc"):
   ${cc_library(lib)}
@@ -80,13 +82,19 @@
   % endfor
   
   <%def name="cc_library(lib)">
+  <%
+    lib_hdrs = lib.get("headers", [])
+    hdrs = [h for h in lib_hdrs if not h.startswith('third_party/nanopb')]
+    srcs = [s for s in lib.src if not s.startswith('third_party/nanopb')]
+    uses_nanopb = len(lib_hdrs) != len(hdrs) or len(srcs) != len(lib.src)
+  %>
   cc_library(
     name = "${lib.name}",
     srcs = [
-  % for hdr in lib.get("headers", []):
+  % for hdr in hdrs:
       "${hdr}",
   % endfor
-  % for src in lib.src:
+  % for src in srcs:
       "${src}",
   % endfor
     ],
@@ -103,6 +111,9 @@
   % for dep in get_deps(lib):
       "${dep}",
   % endfor
+  % if uses_nanopb:
+      "//external:nanopb",
+  % endif
     ],
   % if lib.name in ("grpc", "grpc_unsecure"):
     copts = [
@@ -113,10 +124,16 @@
   </%def>
   
   <%def name="objc_library(lib)">
+  <%
+    lib_hdrs = lib.get("headers", [])
+    hdrs = [h for h in lib_hdrs if not h.startswith('third_party/nanopb')]
+    srcs = [s for s in lib.src if not s.startswith('third_party/nanopb')]
+    uses_nanopb = len(lib_hdrs) != len(hdrs) or len(srcs) != len(lib.src)
+  %>
   objc_library(
     name = "${lib.name}_objc",
     srcs = [
-  % for src in lib.src:
+  % for src in srcs:
       "${src}",
   % endfor
     ],
@@ -124,7 +141,7 @@
   % for hdr in lib.get("public_headers", []):
       "${hdr}",
   % endfor
-  % for hdr in lib.get("headers", []):
+  % for hdr in hdrs:
       "${hdr}",
   % endfor
     ],
@@ -139,6 +156,9 @@
   % if lib.get('secure', False):
       "//external:libssl_objc",
   % endif
+  % if uses_nanopb:
+      "//external:nanopb",
+  % endif
     ],
   % if lib.get("baselib", false):
     sdk_dylibs = ["libz"],
diff --git a/templates/Makefile.template b/templates/Makefile.template
index 218f492837..e84ceebf22 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -7,7 +7,7 @@
   # This file can be regenerated from the template by running
   # tools/buildgen/generate_projects.sh
 
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -159,7 +159,7 @@
   else
   ifeq ($(SYSTEM),Darwin)
   ifeq ($(origin AR), default)
-  AR = libtool -o
+  AR = libtool -no_warning_for_no_symbols -o
   endif
   STRIP ?= strip -x
   else
@@ -187,6 +187,12 @@
   CXX11_CHECK_CMD = $(CXX) -std=c++11 -o $(TMPOUT) -c test/build/c++11.cc
   HAS_CXX11 = $(shell $(CXX11_CHECK_CMD) 2> /dev/null && echo true || echo false)
 
+  CHECK_SHADOW_WORKS_CMD = $(CC) -std=c99 -Werror -Wshadow -o $(TMPOUT) -c test/build/shadow.c
+  HAS_WORKING_SHADOW = $(shell $(CHECK_SHADOW_WORKS_CMD) 2> /dev/null && echo true || echo false)
+  ifeq ($(HAS_WORKING_SHADOW),true)
+  W_SHADOW=-Wshadow
+  endif
+
   CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD = $(CC) -std=c99 -Werror -Wno-shift-negative-value -o $(TMPOUT) -c test/build/empty.c
   HAS_NO_SHIFT_NEGATIVE_VALUE = $(shell $(CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD) 2> /dev/null && echo true || echo false)
   ifeq ($(HAS_NO_SHIFT_NEGATIVE_VALUE),true)
@@ -207,7 +213,7 @@
   DEFINES += $(EXTRA_DEFINES)
   endif
 
-  CFLAGS += -std=c99 -Wsign-conversion -Wconversion -Wshadow
+  CFLAGS += -std=c99 -Wsign-conversion -Wconversion $(W_SHADOW)
   ifeq ($(HAS_CXX11),true)
   CXXFLAGS += -std=c++11
   else
@@ -352,6 +358,7 @@
 
   OPENSSL_ALPN_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/openssl-alpn.c $(addprefix -l, $(OPENSSL_LIBS)) $(LDFLAGS)
   OPENSSL_NPN_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/openssl-npn.c $(addprefix -l, $(OPENSSL_LIBS)) $(LDFLAGS)
+  BORINGSSL_COMPILE_CHECK_CMD = $(CC) $(CPPFLAGS) ${defaults.boringssl.CPPFLAGS} $(CFLAGS) ${defaults.boringssl.CFLAGS} -o $(TMPOUT) test/build/boringssl.c $(LDFLAGS)
   ZLIB_CHECK_CMD = $(CC) $(CPPFLAGS) $(CFLAGS) -o $(TMPOUT) test/build/zlib.c -lz $(LDFLAGS)
   PROTOBUF_CHECK_CMD = $(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $(TMPOUT) test/build/protobuf.cc -lprotobuf $(LDFLAGS)
 
@@ -436,10 +443,13 @@
   # Note that for testing purposes, one can do:
   #   make HAS_EMBEDDED_OPENSSL_ALPN=false
   # to emulate the fact we do not have OpenSSL in the third_party folder.
-  ifeq ($(wildcard third_party/boringssl/include/openssl/ssl.h),)
+  ifneq ($(wildcard third_party/${openssl_fallback.extraction_dir}/libssl.a),)
+  HAS_EMBEDDED_OPENSSL_ALPN = third_party/${openssl_fallback.extraction_dir}
+  else ifeq ($(wildcard third_party/boringssl/include/openssl/ssl.h),)
   HAS_EMBEDDED_OPENSSL_ALPN = false
   else
-  HAS_EMBEDDED_OPENSSL_ALPN = true
+  CAN_COMPILE_EMBEDDED_OPENSSL ?= $(shell $(BORINGSSL_COMPILE_CHECK_CMD) 2> /dev/null && echo true || echo false)
+  HAS_EMBEDDED_OPENSSL_ALPN = $(CAN_COMPILE_EMBEDDED_OPENSSL)
   endif
 
   ifeq ($(wildcard third_party/zlib/zlib.h),)
@@ -498,8 +508,8 @@
   EMBED_OPENSSL ?= false
   NO_SECURE ?= false
   else # HAS_SYSTEM_OPENSSL_ALPN=false
-  ifeq ($(HAS_EMBEDDED_OPENSSL_ALPN),true)
-  EMBED_OPENSSL ?= true
+  ifneq ($(HAS_EMBEDDED_OPENSSL_ALPN),false)
+  EMBED_OPENSSL ?= $(HAS_EMBEDDED_OPENSSL_ALPN)
   NO_SECURE ?= false
   else # HAS_EMBEDDED_OPENSSL_ALPN=false
   ifeq ($(HAS_SYSTEM_OPENSSL_NPN),true)
@@ -520,6 +530,12 @@
   OPENSSL_MERGE_OBJS += $(LIBBORINGSSL_OBJS)
   # need to prefix these to ensure overriding system libraries
   CPPFLAGS := -Ithird_party/boringssl/include $(CPPFLAGS)
+  else ifneq ($(EMBED_OPENSSL),false)
+  OPENSSL_DEP += $(EMBED_OPENSSL)/libssl.a $(EMBED_OPENSSL)/libcrypto.a
+  OPENSSL_MERGE_LIBS += $(EMBED_OPENSSL)/libssl.a $(EMBED_OPENSSL)/libcrypto.a
+  OPENSSL_MERGE_OBJS += $(wildcard $(EMBED_OPENSSL)/grpc_obj/*.o)
+  # need to prefix these to ensure overriding system libraries
+  CPPFLAGS := -I$(EMBED_OPENSSL)/include $(CPPFLAGS)
   else # EMBED_OPENSSL=false
   ifeq ($(HAS_PKG_CONFIG),true)
   OPENSSL_PKG_CONFIG = true
@@ -706,8 +722,9 @@
   	@echo
   	@echo "DEPENDENCY ERROR"
   	@echo
-  	@echo "The target you are trying to run requires OpenSSL."
-  	@echo "Your system doesn't have it, and neither does the third_party directory."
+  	@echo "The target you are trying to run requires an OpenSSL implementation."
+  	@echo "Your system doesn't have one, and either the third_party directory"
+  	@echo "doesn't have it, or your compiler can't build BoringSSL."
   	@echo
   	@echo "Please consult INSTALL to get more information."
   	@echo
@@ -790,18 +807,22 @@
 
   static_c: pc_c pc_c_unsecure cache.mk pc_c_zookeeper\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c' and not lib.get('external_deps', None):
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
    static_zookeeper_libs
 
 
   static_cxx: pc_cxx pc_cxx_unsecure cache.mk \
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c++':
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
 
 
@@ -809,40 +830,50 @@
 
   shared_c: pc_c pc_c_unsecure cache.mk pc_c_zookeeper\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c' and not lib.get('external_deps', None):
    $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)\
   % endif
+  % endif
   % endfor
    shared_zookeeper_libs
 
   shared_cxx: pc_cxx pc_cxx_unsecure cache.mk\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c++':
    $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)\
   % endif
+  % endif
   % endfor
 
 
   shared_csharp: shared_c \
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'csharp':
    $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)\
   % endif
+  % endif
   % endfor
 
   ifeq ($(HAS_ZOOKEEPER),true)
   static_zookeeper_libs:\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c' and 'zookeeper' in lib.get('external_deps', []):
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
 
   shared_zookeeper_libs:\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'all' and lib.language == 'c' and 'zookeeper' in lib.get('external_deps', []):
    $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)\
   % endif
+  % endif
   % endfor
 
   else
@@ -861,9 +892,11 @@
 
   privatelibs_c: \
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'private' and lib.language == 'c' and not lib.get('external_deps', None) and not lib.boringssl:
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
 
   pc_c: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc.pc
@@ -882,18 +915,22 @@
 
   privatelibs_cxx: \
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'private' and lib.language == 'c++' and not lib.get('external_deps', None):
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
 
 
   ifeq ($(HAS_ZOOKEEPER),true)
   privatelibs_zookeeper: \
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.build == 'private' and lib.language == 'c++' and zookeeper in lib.get('external_deps', []):
    $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
   % endif
+  % endif
   % endfor
 
   else
@@ -1044,6 +1081,7 @@
   strip-static_c: static_c
   ifeq ($(CONFIG),opt)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if not lib.get('external_deps', None):
@@ -1052,9 +1090,11 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   ifeq ($(HAS_ZOOKEEPER),true)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if 'zookeeper' in lib.get('external_deps', []):
@@ -1063,6 +1103,7 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   endif
   endif
@@ -1070,18 +1111,21 @@
   strip-static_cxx: static_cxx
   ifeq ($(CONFIG),opt)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c++":
   % if lib.build == "all":
   	$(E) "[STRIP]   Stripping lib${lib.name}.a"
   	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
   % endif
   % endif
+  % endif
   % endfor
   endif
 
   strip-shared_c: shared_c
   ifeq ($(CONFIG),opt)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if not lib.get('external_deps', None):
@@ -1090,9 +1134,11 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   ifeq ($(HAS_ZOOKEEPER),true)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if 'zookeeper' in lib.get('external_deps', []):
@@ -1101,6 +1147,7 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   endif
   endif
@@ -1108,24 +1155,28 @@
   strip-shared_cxx: shared_cxx
   ifeq ($(CONFIG),opt)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c++":
   % if lib.build == "all":
   	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)"
   	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)
   % endif
   % endif
+  % endif
   % endfor
   endif
 
   strip-shared_csharp: shared_csharp
   ifeq ($(CONFIG),opt)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "csharp":
   % if lib.build == "all":
   	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)"
   	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)${lib.name}$(SHARED_VERSION).$(SHARED_EXT)
   % endif
   % endif
+  % endif
   % endfor
   endif
 
@@ -1234,6 +1285,7 @@
 
   install-static_c: static_c strip-static_c install-pkg-config_c
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if not lib.get('external_deps', None):
@@ -1243,9 +1295,11 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   ifeq ($(HAS_ZOOKEEPER),true)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c":
   % if lib.build == "all":
   % if 'zookeeper' in lib.get('external_deps', []):
@@ -1255,11 +1309,13 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   endif
 
   install-static_cxx: static_cxx strip-static_cxx install-pkg-config_cxx
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == "c++":
   % if lib.build == "all":
   	$(E) "[INSTALL] Installing lib${lib.name}.a"
@@ -1267,10 +1323,12 @@
   	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
   % endif
   % endif
+  % endif
   % endfor
 
   <%def name="install_shared(lang_filter)">\
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == lang_filter:
   % if lib.build == "all":
   % if not lib.get('external_deps', None):
@@ -1286,9 +1344,11 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   ifeq ($(HAS_ZOOKEEPER),true)
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   % if lib.language == lang_filter:
   % if lib.build == "all":
   % if 'zookeeper' in lib.get('external_deps', []):
@@ -1304,6 +1364,7 @@
   % endif
   % endif
   % endif
+  % endif
   % endfor
   endif
   ifneq ($(SYSTEM),MINGW32)
@@ -1383,7 +1444,9 @@
   # The various libraries
 
   % for lib in libs:
+  % if 'Makefile' in lib.get('build_system', ['Makefile']):
   ${makelib(lib)}
+  % endif
   % endfor
 
 
@@ -1498,7 +1561,7 @@
   % endif
 
   ifeq ($(SYSTEM),Darwin)
-  	$(Q) ranlib $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
+  	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
   endif
 
   <%
@@ -1674,7 +1737,7 @@
    $(LIBDIR)/$(CONFIG)/lib${dep}.a\
   % endfor
 
-  % if tgt.language == "c++" or tgt.boringssl:
+  % if tgt.language == "c++" or tgt.boringssl or tgt.build == 'fuzzer':
   ## C++ targets specificies.
   % if tgt.build == 'protoc':
   	$(E) "[HOSTLD]  Linking $@"
@@ -1728,6 +1791,9 @@
   % elif tgt.language == 'c++' and tgt.build == 'benchmark':
    $(GTEST_LIB)\
   % endif
+  % if tgt.build == 'fuzzer':
+   -lFuzzer\
+  % endif
    -o $(BINDIR)/$(CONFIG)/${tgt.name}
   % if tgt.build == 'protoc' or tgt.language == 'c++':
 
@@ -1800,3 +1866,9 @@
   strip_cxx strip-shared_cxx strip-static_cxx \
   dep_c dep_cxx bins_dep_c bins_dep_cxx \
   clean
+
+  .PHONY: printvars
+  printvars:
+  	@$(foreach V,$(sort $(.VARIABLES)),                 \
+  	  $(if $(filter-out environment% default automatic, \
+  	  $(origin $V)),$(warning $V=$($V) ($(value $V)))))
diff --git a/templates/README.md b/templates/README.md
index 6740972cfb..eedc6e9c09 100644
--- a/templates/README.md
+++ b/templates/README.md
@@ -6,78 +6,92 @@ was going to single handedly cover all of our usage cases.
 
 So instead we decided to work the following way:
 
-* A build.json file at the root is the source of truth for listing all of the
-target and files needed to build grpc and its tests, as well as basic system
-dependencies description.
+* A `build.yaml` file at the root is the source of truth for listing all the
+targets and files needed to build grpc and its tests, as well as a basic system
+for dependency description.
 
 * Each project file (Makefile, Visual Studio project files, Bazel's BUILD) is
-a plain-text template that uses the build.json file to generate the final
-output file.
+a [YAML](http://yaml.org) file used by the `build.yaml` file to generate the
+final output file.
 
 This way we can maintain as many project system as we see fit, without having
 to manually maintain them when we add or remove new code to the repository.
 Only the structure of the project file is relevant to the template. The actual
 list of source code and targets isn't.
 
-We currently have template files for GNU Make, Visual Studio 2010 to 2015,
-and Bazel. In the future, we would like to expand to generating gyp or cmake
-project files (or potentially both), XCode project files, and an Android.mk
-file to be able to compile gRPC using Android's NDK.
+We currently have template files for GNU Make, Visual Studio 2013,
+[Bazel](http://bazel.io) and [gyp](https://gyp.gsrc.io/) (albeit only for
+Node.js). In the future, we
+would like to expand to also generate [cmake](https://cmake.org)
+project files, XCode project files, and an Android.mk file allowing to compile
+gRPC using Android's NDK.
 
 We'll gladly accept contribution that'd create additional project files
 using that system.
 
-# Structure of build.json
+# Structure of `build.yaml`
 
-The build.json file has the following structure:
+The `build.yaml` file has the following structure:
 
 ```
-{
-  "settings": { ... },   # global settings, such as version number
-  "filegroups": [ ... ], # groups of file that is automatically expanded
-  "libs": [ ... ],       # list of libraries to build
-  "targets": [ ... ],    # list of targets to build
-}
+settings:  # global settings, such as version number
+  ...
+filegroups:  # groups of files that are automatically expanded
+  ...
+libs:  # list of libraries to build
+  ...
+target:   # list of targets to build
+  ...
 ```
 
 The `filegroups` are helpful to re-use a subset of files in multiple targets.
 One `filegroups` entry has the following structure:
 
 ```
-{
-  "name": "arbitrary string", # the name of the filegroup
-  "public_headers": [ ... ],  # list of public headers defined in that filegroup
-  "headers": [ ... ],         # list of headers defined in that filegroup
-  "src": [ ... ],             # list of source files defined in that filegroup
-}
+- name: "arbitrary string", # the name of the filegroup
+  public_headers: # list of public headers defined in that filegroup
+  - ...
+  headers: # list of headers defined in that filegroup
+  - ...
+  src: # list of source files defined in that filegroup
+  - ...
 ```
 
-The `libs` array contains the list of all the libraries we describe. Some may be
+The `libs` collection contains the list of all the libraries we describe. Some may be
 helper libraries for the tests. Some may be installable libraries. Some may be
 helper libraries for installable binaries.
 
 The `targets` array contains the list of all the binary targets we describe. Some may
 be installable binaries.
 
-One `libs` or `targets` entry has the following structure:
+One `libs` or `targets` entry has the following structure (see below for
+details):
 
 ```
-{
-  "name": "arbitrary string", # the name of the library
-  "build": "build type",      # in which situation we want that library to be
-                              # built and potentially installed
-  "language": "...",          # the language tag; "c" or "c++"
-  "public_headers": [ ... ],  # list of public headers to install
-  "headers": [ ... ],         # list of headers used by that target
-  "src": [ ... ],             # list of files to compile
-  "secure": "...",            # "yes", "no" or "check"
-  "baselib": boolean,         # this is a low level library that has system
-                              # dependencies
-  "vs_project_guid: "...",    # Visual Studio's unique guid for that project
-  "filegroups": [ ... ],      # list of filegroups to merge to that project
-                              # note that this will be expanded automatically
-  "deps": [ ... ],            # list of libraries this target depends on
-}
+name: "arbitrary string", # the name of the library
+build: "build type",      # in which situation we want that library to be
+                          # built and potentially installed (see below).
+language: "...",          # the language tag; "c" or "c++"
+public_headers:           # list of public headers to install
+headers:                  # list of headers used by that target
+src:                      # list of files to compile
+secure: boolean,          # see below
+baselib: boolean,         # this is a low level library that has system
+                          # dependencies
+vs_project_guid: '{...}', # Visual Studio's unique guid for that project
+filegroups:               # list of filegroups to merge to that project
+                          # note that this will be expanded automatically
+deps:                     # list of libraries this target depends on
+deps_linkage: "..."       # "static"  or "dynamic". Used by the Makefile only to
+                          # determine the way dependencies are linkned. Defaults
+                          # to "dynamic".
+dll: "..."                # see below.
+dll_def: "..."            # Visual Studio's dll definition file.
+vs_props:                 # List of property sheets to attach to that project.
+vs_config_type: "..."     # DynamicLibrary/StaticLibrary. Used only when
+                          # creating a library. Specifies if we're building a
+                          # static library or a dll. Use in conjunction with `dll_def`.
+vs_packages:              # List of nuget packages this project depends on.
 ```
 
 ## The `"build"` tag
@@ -86,8 +100,9 @@ Currently, the "`build`" tag have these meanings:
 
 * `"all"`: library to build on `"make all"`, and install on the system.
 * `"protoc"`: a protoc plugin to build on `"make all"` and install on the system.
-* `"priviate"`: a library to only build for tests.
+* `"private"`: a library to only build for tests.
 * `"test"`: a test binary to run on `"make test"`.
+* `"tool"`: a binary to be built upon `"make tools"`.
 
 All of the targets should always be present in the generated project file, if
 possible and applicable. But the build tag is what should group the targets
@@ -111,6 +126,18 @@ should merge OpenSSL, protobuf or zlib inside that library. That effect depends
 on the `"language"` tag. OpenSSL and zlib are for `"c"` libraries, while
 protobuf is for `"c++"` ones.
 
+## The `"dll"` tag
+
+Used only by Visual Studio's project files. "true" means the project will be
+built with both static and dynamic runtimes. "false" means it'll only be built
+with static runtime. "only" means it'll only be built with the dll runtime.
+
+## The `"dll_def"` tag
+
+Specifies the visual studio's dll definition file. When creating a DLL, you
+sometimes (not always) need a def file (see grpc.def).
+
+
 # The template system
 
 We're currently using the [mako templates](http://www.makotemplates.org/)
diff --git a/templates/binding.gyp.template b/templates/binding.gyp.template
index 3ffbc06643..40d430f792 100644
--- a/templates/binding.gyp.template
+++ b/templates/binding.gyp.template
@@ -7,7 +7,7 @@
   # This file can be regenerated from the template by running
   # tools/buildgen/generate_projects.sh
 
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/composer.json.template b/templates/composer.json.template
new file mode 100644
index 0000000000..275b4655ce
--- /dev/null
+++ b/templates/composer.json.template
@@ -0,0 +1,27 @@
+%YAML 1.2
+--- |
+  {
+    "name": "grpc/grpc",
+    "type": "library",
+    "description": "gRPC library for PHP",
+    "version": "${settings.php_version.php()}",
+    "keywords": ["rpc"],
+    "homepage": "http://grpc.io",
+    "license": "BSD-3-Clause",
+    "repositories": [
+      {
+        "type": "vcs",
+        "url": "https://github.com/stanley-cheung/Protobuf-PHP"
+      }
+    ],
+    "require": {
+      "php": ">=5.5.0",
+      "datto/protobuf-php": "dev-master",
+      "google/auth": "v0.7"
+    },
+    "autoload": {
+      "psr-4": {
+        "Grpc\\": "src/php/lib/Grpc/"
+      }
+    }
+  }
diff --git a/templates/config.m4.template b/templates/config.m4.template
new file mode 100644
index 0000000000..5847d456f5
--- /dev/null
+++ b/templates/config.m4.template
@@ -0,0 +1,59 @@
+%YAML 1.2
+--- |
+  PHP_ARG_ENABLE(grpc, whether to enable grpc support,
+  [  --enable-grpc           Enable grpc support])
+
+  if test "$PHP_GRPC" != "no"; then
+    dnl Write more examples of tests here...
+
+    dnl # --with-grpc -> add include path
+    PHP_ADD_INCLUDE(../../grpc/include)
+    PHP_ADD_INCLUDE(../../grpc/src/php/ext/grpc)
+    PHP_ADD_INCLUDE(../../grpc/third_party/boringssl/include)
+
+    LIBS="-lpthread $LIBS"
+
+    GRPC_SHARED_LIBADD="-lpthread $GRPC_SHARED_LIBADD"
+    PHP_ADD_LIBRARY(pthread)
+
+    PHP_ADD_LIBRARY(dl,,GRPC_SHARED_LIBADD)
+    PHP_ADD_LIBRARY(dl)
+
+    case $host in
+      *darwin*) ;;
+      *)
+        PHP_ADD_LIBRARY(rt,,GRPC_SHARED_LIBADD)
+        PHP_ADD_LIBRARY(rt)
+        ;;
+    esac
+
+    PHP_NEW_EXTENSION(grpc,
+      % for source in php_config_m4.src:
+      ${source} ${"\\"}
+      % endfor
+      % for lib in libs:
+      % if lib.name in php_config_m4.get('deps', []):
+      % for source in lib.src:
+      ${source} ${"\\"}
+      % endfor
+      % endif
+      % endfor
+      , $ext_shared, , -Wall -Werror ${"\\"}
+      -Wno-parentheses-equality -Wno-unused-value -std=c11 ${"\\"}
+      -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN ${"\\"}
+      -D_HAS_EXCEPTIONS=0 -DNOMINMAX)
+
+    PHP_ADD_BUILD_DIR($ext_builddir/src/php/ext/grpc)
+  <%
+    dirs = {}
+    for lib in libs:
+      if lib.name in php_config_m4.get('deps', []):
+        for source in lib.src:
+          dirs[source[:source.rfind('/')]] = 1
+    dirs = dirs.keys()
+    dirs.sort()
+  %>
+    % for dir in dirs:
+    PHP_ADD_BUILD_DIR($ext_builddir/${dir})
+    % endfor
+  fi
diff --git a/templates/grpc.gemspec.template b/templates/grpc.gemspec.template
index 701e1c7485..6f8d1fb9e6 100644
--- a/templates/grpc.gemspec.template
+++ b/templates/grpc.gemspec.template
@@ -37,6 +37,7 @@
     s.add_dependency 'googleauth',      '~> 0.5.1'
 
     s.add_development_dependency 'bundler',            '~> 1.9'
+    s.add_development_dependency 'facter',             '~> 2.4'
     s.add_development_dependency 'logging',            '~> 2.0'
     s.add_development_dependency 'simplecov',          '~> 0.9'
     s.add_development_dependency 'rake',               '~> 10.4'
diff --git a/templates/package.json.template b/templates/package.json.template
index 99e8287b35..5db270608b 100644
--- a/templates/package.json.template
+++ b/templates/package.json.template
@@ -29,6 +29,7 @@
     },
     "bundledDependencies": ["node-pre-gyp"],
     "dependencies": {
+      "arguejs": "^0.2.3",
       "lodash": "^3.9.3",
       "nan": "^2.0.0",
       "protobufjs": "^4.0.0"
@@ -62,20 +63,14 @@
       "src/node/health_check",
       "src/proto",
       "etc",
-      % for module in node_modules:
-      % for file in module.headers + module.src + module.js:
-      "${file}",
-      % endfor
-      % for dep in module.transitive_deps:
-      % for lib in libs:
-      % if lib.name == dep:
-      % for file in lib.get('public_headers', []) + lib.headers + lib.src:
-      "${file}",
-      % endfor
-      % endif
-      % endfor
-      % endfor
-      % endfor
+      "src/node/index.js",
+      "src/node/src",
+      "src/node/ext",
+      "include/grpc",
+      "src/core",
+      "third_party/nanopb",
+      "third_party/zlib",
+      "third_party/boringssl",
       "binding.gyp"
     ],
     "main": "src/node/index.js",
diff --git a/templates/package.xml.template b/templates/package.xml.template
new file mode 100644
index 0000000000..2f498c02f4
--- /dev/null
+++ b/templates/package.xml.template
@@ -0,0 +1,174 @@
+%YAML 1.2
+--- |
+  <?xml version="1.0" encoding="UTF-8"?>
+  <package packagerversion="1.9.5" version="2.0" xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
+   <name>grpc</name>
+   <channel>pecl.php.net</channel>
+   <summary>A high performance, open source, general RPC framework that puts mobile and HTTP/2 first.</summary>
+   <description>Remote Procedure Calls (RPCs) provide a useful abstraction for building distributed applications and services. The libraries in this repository provide a concrete implementation of the gRPC protocol, layered over HTTP/2. These libraries enable communication between clients and servers using any combination of the supported languages.</description>
+   <lead>
+    <name>Stanley Cheung</name>
+    <user>stanleycheung</user>
+    <email>grpc-packages@google.com</email>
+    <active>yes</active>
+   </lead>
+   <date>2016-03-01</date>
+   <time>16:06:07</time>
+   <version>
+    <release>${settings.php_version.php()}</release>
+    <api>${settings.php_version.php()}</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <license>BSD</license>
+   <notes>
+  - Increase unit test code coverage #5225
+   </notes>
+   <contents>
+    <dir baseinstalldir="/" name="/">
+      <file baseinstalldir="/" name="config.m4" role="src" />
+      <file baseinstalldir="/" name="src/php/README.md" role="src" />
+      <file baseinstalldir="/" name="src/php/ext/grpc/CREDITS" role="src" />
+      <file baseinstalldir="/" name="src/php/ext/grpc/LICENSE" role="src" />
+      % for source in php_config_m4.src + php_config_m4.headers:
+      <file baseinstalldir="/" name="${source}" role="src" />
+      % endfor
+      % for lib in libs:
+      % if lib.name in php_config_m4.get('deps', []):
+      % for source in lib.get('public_headers', []) + lib.headers + lib.src:
+      <file baseinstalldir="/" name="${source}" role="src" />
+      % endfor
+      % endif
+      % endfor
+    </dir>
+   </contents>
+   <dependencies>
+    <required>
+     <php>
+      <min>5.5.0</min>
+     </php>
+     <pearinstaller>
+      <min>1.4.0</min>
+     </pearinstaller>
+    </required>
+   </dependencies>
+   <providesextension>grpc</providesextension>
+   <extsrcrelease />
+   <changelog>
+    <release>
+     <version>
+      <release>0.5.0</release>
+      <api>0.5.0</api>
+     </version>
+     <stability>
+      <release>alpha</release>
+      <api>alpha</api>
+     </stability>
+     <date>2015-06-16</date>
+     <license>BSD</license>
+     <notes>
+  First alpha release
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>0.5.1</release>
+      <api>0.5.1</api>
+     </version>
+     <stability>
+      <release>alpha</release>
+      <api>alpha</api>
+     </stability>
+     <date>2015-07-09</date>
+     <license>BSD</license>
+     <notes>
+  Update to wrap gRPC C Core version 0.10.0
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>0.6.0</release>
+      <api>0.6.0</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2015-09-24</date>
+     <license>BSD</license>
+     <notes>
+  - support per message compression disable
+  - expose per-call host override option
+  - expose connectivity API
+  - expose channel target and call peer
+  - add user-agent
+  - update to wrap gRPC C core library beta version 0.11.0
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>0.6.1</release>
+      <api>0.6.0</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2015-10-21</date>
+     <license>BSD</license>
+     <notes>
+  - fixed undefined constant fatal error when run with apache/nginx #2275
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>0.7.0</release>
+      <api>0.7.0</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2016-01-13</date>
+     <license>BSD</license>
+     <notes>
+  - Breaking change to Credentials class (removed) #3765
+  - Replaced by ChannelCredentials and CallCredentials class #3765
+  - New plugin based metadata auth API #4394
+  - Explicit ChannelCredentials::createInsecure() call
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>0.8.0</release>
+      <api>0.8.0</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2016-02-24</date>
+     <license>BSD</license>
+     <notes>
+  - Simplify gRPC PHP installation #4517
+     </notes>
+    </release>
+    <release>
+     <version>
+      <release>${settings.php_version.php()}</release>
+      <api>${settings.php_version.php()}</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2016-03-01</date>
+     <license>BSD</license>
+     <notes>
+  - Increase unit test code coverage #5225
+     </notes>
+    </release>
+   </changelog>
+  </package>
diff --git a/templates/src/core/surface/version.c.template b/templates/src/core/lib/surface/version.c.template
index f2b3cfdc58..5f0273e49d 100644
--- a/templates/src/core/surface/version.c.template
+++ b/templates/src/core/lib/surface/version.c.template
@@ -2,7 +2,7 @@
 --- |
   /*
    *
-   * Copyright 2015-2016, Google Inc.
+   * Copyright 2015, Google Inc.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/core/plugin_registry.template b/templates/src/core/plugin_registry.template
new file mode 100644
index 0000000000..352682c3f0
--- /dev/null
+++ b/templates/src/core/plugin_registry.template
@@ -0,0 +1,52 @@
+%YAML 1.2
+---
+foreach: libs
+cond: selected.get('generate_plugin_registry', False)
+output_name: ${selected.name}_plugin_registry.c
+template: |
+  /*
+   *
+   * Copyright 2016, Google Inc.
+   * All rights reserved.
+   *
+   * Redistribution and use in source and binary forms, with or without
+   * modification, are permitted provided that the following conditions are
+   * met:
+   *
+   *     * Redistributions of source code must retain the above copyright
+   * notice, this list of conditions and the following disclaimer.
+   *     * Redistributions in binary form must reproduce the above
+   * copyright notice, this list of conditions and the following disclaimer
+   * in the documentation and/or other materials provided with the
+   * distribution.
+   *     * Neither the name of Google Inc. nor the names of its
+   * contributors may be used to endorse or promote products derived from
+   * this software without specific prior written permission.
+   *
+   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+   *
+   */
+
+  #include <grpc/grpc.h>
+
+  %for plugin in selected.plugins:
+  extern void ${plugin}_init(void);
+  extern void ${plugin}_shutdown(void);
+  %endfor
+
+  void grpc_register_built_in_plugins(void) {
+  %for plugin in selected.plugins:
+    grpc_register_plugin(${plugin}_init,
+                         ${plugin}_shutdown);
+  %endfor
+  }
diff --git a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
index 59864fa058..3ca111e72b 100644
--- a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
+++ b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
@@ -2,7 +2,7 @@
 --- |
   #region Copyright notice and license
   
-  // Copyright 2015-2016, Google Inc.
+  // Copyright 2015, Google Inc.
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/csharp/build_packages.bat.template b/templates/src/csharp/build_packages.bat.template
index b855126ae6..3b445a8ac9 100644
--- a/templates/src/csharp/build_packages.bat.template
+++ b/templates/src/csharp/build_packages.bat.template
@@ -14,12 +14,20 @@
   
   @rem Collect the artifacts built by the previous build step if running on Jenkins
   @rem TODO(jtattermusch): is there a better way to do this?
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x64${"\\"}
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x64${"\\"}
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x64${"\\"}
+  
+  @rem Collect protoc artifacts built by the previous build step
+  xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=linux\artifacts\* protoc_plugins\linux_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=linux\artifacts\* protoc_plugins\linux_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=macos\artifacts\* protoc_plugins\macosx_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=protoc,platform=macos\artifacts\* protoc_plugins\macosx_x64${"\\"}
   
   @rem Fetch all dependencies
   %%NUGET% restore ..\..\vsprojects\grpc_csharp_ext.sln || goto :error
@@ -29,24 +37,18 @@
   
   @call "%VS120COMNTOOLS%\..\..\vc\vcvarsall.bat" x86
   
-  @rem We won't use the native libraries from this step, but without this Grpc.sln will fail.  
+  @rem We won't use the native libraries from this step, but without this Grpc.sln will fail.
   msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Release /p:PlatformToolset=v120 || goto :error
   
   msbuild Grpc.sln /p:Configuration=ReleaseSigned || goto :error
   
   endlocal
   
-  @rem TODO(jtattermusch): re-enable protoc plugin building
-  @rem @call ..\..\vsprojects\build_plugins.bat || goto :error
-  
-  %%NUGET% pack grpc.native.csharp\grpc.native.csharp.nuspec -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.Auth\Grpc.Auth.nuspec -Symbols -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.HealthCheck\Grpc.HealthCheck.nuspec -Symbols -Version %VERSION_WITH_BETA% -Properties ProtobufVersion=%PROTOBUF_VERSION% || goto :error
   %%NUGET% pack Grpc.nuspec -Version %VERSION% || goto :error
-  
-  @rem TODO(jtattermusch): re-enable building Grpc.Tools package
-  @rem %NUGET% pack Grpc.Tools.nuspec -Version %VERSION% || goto :error
+  %%NUGET% pack Grpc.Tools.nuspec -Version %VERSION% || goto :error
   
   @rem copy resulting nuget packages to artifacts directory
   xcopy /Y /I *.nupkg ..\..\artifacts${"\\"}
diff --git a/templates/src/node/tools/package.json.template b/templates/src/node/tools/package.json.template
new file mode 100644
index 0000000000..c69de7c989
--- /dev/null
+++ b/templates/src/node/tools/package.json.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  {
+    "name": "grpc-tools",
+    "version": "${settings.node_version}",
+    "author": "Google Inc.",
+    "description": "Tools for developing with gRPC on Node.js",
+    "homepage": "http://www.grpc.io/",
+    "repository": {
+      "type": "git",
+      "url": "https://github.com/grpc/grpc.git"
+    },
+    "bugs": "https://github.com/grpc/grpc/issues",
+    "contributors": [
+      {
+        "name": "Michael Lumish",
+        "email": "mlumish@google.com"
+      }
+    ],
+    "bin": {
+      "grpc-tools-protoc": "./bin/protoc.js"
+    },
+    "scripts": {
+      "install": "./node_modules/.bin/node-pre-gyp install"
+    },
+    "bundledDependencies": ["node-pre-gyp"],
+    "binary": {
+      "module_name": "grpc_tools",
+      "host": "https://storage.googleapis.com/",
+      "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+      "package_name": "{platform}-{arch}.tar.gz",
+      "module_path": "bin"
+    },
+    "files": [
+      "index.js",
+      "bin/protoc.js",
+      "LICENSE"
+    ],
+    "main": "index.js"
+  }
diff --git a/templates/src/python/grpcio/grpc_core_dependencies.py.template b/templates/src/python/grpcio/grpc_core_dependencies.py.template
index 2fc7a03f18..01770a9e91 100644
--- a/templates/src/python/grpcio/grpc_core_dependencies.py.template
+++ b/templates/src/python/grpcio/grpc_core_dependencies.py.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/python/grpcio/grpc_version.py.template b/templates/src/python/grpcio/grpc_version.py.template
index aaacab1a50..39a6932ebb 100644
--- a/templates/src/python/grpcio/grpc_version.py.template
+++ b/templates/src/python/grpcio/grpc_version.py.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/ruby/lib/grpc/version.rb.template b/templates/src/ruby/lib/grpc/version.rb.template
index 6488614aed..9c7bc13f6c 100644
--- a/templates/src/ruby/lib/grpc/version.rb.template
+++ b/templates/src/ruby/lib/grpc/version.rb.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/test/core/end2end/end2end_defs.include b/templates/test/core/end2end/end2end_defs.include
index 929827e145..b828f84f1c 100644
--- a/templates/test/core/end2end/end2end_defs.include
+++ b/templates/test/core/end2end/end2end_defs.include
@@ -1,7 +1,7 @@
 <%def name="end2end_selector(tests)">
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,17 +36,33 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 % for test in tests:
 extern void ${test}(grpc_end2end_test_config config);
+extern void ${test}_pre_init(void);
 % endfor
 
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+% for test in tests:
+  ${test}_pre_init();
+% endfor
+}
+
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
 % for test in tests:
     ${test}(config);
@@ -64,4 +80,4 @@ void grpc_end2end_tests(int argc, char **argv,
     gpr_log(GPR_DEBUG, "not a test: '%s'", argv[i]);
     abort();
   }
-}</%def>
\ No newline at end of file
+}</%def>
diff --git a/templates/tools/dockerfile/clang_update.include b/templates/tools/dockerfile/clang_update.include
new file mode 100644
index 0000000000..4f827c8dc2
--- /dev/null
+++ b/templates/tools/dockerfile/clang_update.include
@@ -0,0 +1,32 @@
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && ${'\\'}
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && ${'\\'}
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && ${'\\'}
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 ${'\\'}
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && ${'\\'}
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && ${'\\'}
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && ${'\\'}
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake ${'\\'}
+  -DCMAKE_BUILD_TYPE:STRING=Release ${'\\'}
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr ${'\\'}
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 ${'\\'}
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
diff --git a/templates/tools/dockerfile/gcp_api_libraries.include b/templates/tools/dockerfile/gcp_api_libraries.include
new file mode 100644
index 0000000000..669b0f887c
--- /dev/null
+++ b/templates/tools/dockerfile/gcp_api_libraries.include
@@ -0,0 +1,4 @@
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
new file mode 100644
index 0000000000..ac087c5da7
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../ccache_setup.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../clang_update.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
new file mode 100644
index 0000000000..c50d38d1ec
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../node_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
index 1c01deac3d..4cb8d3b088 100644
--- a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
index 842c534805..04abf9f741 100644
--- a/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@
   
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../cxx_deps.include"/>
+  <%include file="../../clang_update.include"/>
   <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
-  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
index 4e95cdd65e..7f43e759fc 100644
--- a/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template
new file mode 100644
index 0000000000..fbed53930b
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM ubuntu:14.04
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template
new file mode 100644
index 0000000000..c11cefd283
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM ubuntu:16.04
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template
new file mode 100644
index 0000000000..7956798781
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template
@@ -0,0 +1,47 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  FROM debian:wheezy
+
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+
+  RUN apt-get update && apt-get install -y ${'\\'}
+    gcc-4.4 ${'\\'}
+    gcc-4.4-multilib
+
+  RUN wget ${openssl_fallback.base_uri + openssl_fallback.tarball}
+
+  ENV POST_GIT_STEP tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
+
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh.template b/templates/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh.template
new file mode 100644
index 0000000000..b885101748
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh.template
@@ -0,0 +1,37 @@
+%YAML 1.2
+--- |
+  #!/bin/bash
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  set -ex
+
+  cd /var/local/git/grpc
+  cp /${openssl_fallback.tarball} third_party
+  ./tools/openssl/use_openssl.sh
diff --git a/templates/tools/dockerfile/test/fuzzer/Dockerfile.template b/templates/tools/dockerfile/test/fuzzer/Dockerfile.template
new file mode 100644
index 0000000000..33df275908
--- /dev/null
+++ b/templates/tools/dockerfile/test/fuzzer/Dockerfile.template
@@ -0,0 +1,43 @@
+%YAML 1.2
+--- |
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  FROM debian:jessie
+
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../clang_update.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  RUN clang++ -c -g -O2 -std=c++11 llvm/lib/Fuzzer/*.cpp -IFuzzer
+  RUN ar ruv libFuzzer.a Fuzzer*.o
+  RUN mv libFuzzer.a /usr/lib
+  RUN rm -f Fuzzer*.o
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/multilang_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/multilang_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000..fdf44312ec
--- /dev/null
+++ b/templates/tools/dockerfile/test/multilang_jessie_x64/Dockerfile.template
@@ -0,0 +1,43 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../csharp_deps.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../node_deps.include"/>
+  <%include file="../../php_deps.include"/>
+  <%include file="../../ruby_deps.include"/>
+  <%include file="../../python_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
index 10551a574e..5a6233343e 100644
--- a/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
index d7172398a9..fffac89efc 100644
--- a/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
index 9e68b3ef91..46fb84ba83 100644
--- a/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
index db777bebb4..70baddffbf 100644
--- a/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/sanity/Dockerfile.template b/templates/tools/dockerfile/test/sanity/Dockerfile.template
index ad1d92e7cb..8d6f52db54 100644
--- a/templates/tools/dockerfile/test/sanity/Dockerfile.template
+++ b/templates/tools/dockerfile/test/sanity/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,14 @@
   <%include file="../../apt_get_basic.include"/>
   #========================
   # Sanity test dependencies
-  RUN apt-get update && apt-get install -y python-pip
+  RUN apt-get update && apt-get install -y ${"\\"}
+        python-pip ${"\\"}
+        autoconf ${"\\"}
+        automake ${"\\"}
+        libtool ${"\\"}
+        curl ${"\\"}
+        python-virtualenv ${"\\"}
+        python-lxml
   RUN pip install simplejson mako
 
   #===================
diff --git a/templates/tools/fuzzer/runners.template b/templates/tools/fuzzer/runners.template
new file mode 100644
index 0000000000..358d4315c2
--- /dev/null
+++ b/templates/tools/fuzzer/runners.template
@@ -0,0 +1,54 @@
+%YAML 1.2
+---
+foreach: targets
+cond: selected.build == 'fuzzer'
+output_name: ${selected.name}.sh
+template: |
+  #!/bin/bash
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  #
+
+  flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=${selected.maxlen}"
+  
+  %if selected.get('dict'):
+  flags="$flags -dict=${selected.dict}"
+  %endif
+
+  if [ "$jobs" != "1" ]
+  then
+    flags="-jobs=$jobs -workers=$jobs $flags"
+  fi
+
+  if [ "$config" == "asan-trace-cmp" ]
+  then
+    flags="-use_traces=1 $flags"
+  fi
+
+  bins/$config/${selected.name} $flags fuzzer_output ${' '.join(selected.corpus_dirs)}
diff --git a/templates/tools/openssl/use_openssl.sh.template b/templates/tools/openssl/use_openssl.sh.template
new file mode 100644
index 0000000000..237a92b02f
--- /dev/null
+++ b/templates/tools/openssl/use_openssl.sh.template
@@ -0,0 +1,63 @@
+%YAML 1.2
+--- |
+  #!/bin/bash
+
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  set -ex
+
+  cd $(dirname $0)/../..
+  set root=`pwd`
+  CC=${"${CC:-cc}"}
+
+  # allow openssl to be pre-downloaded
+  if [ ! -e third_party/${openssl_fallback.tarball} ]
+  then
+    echo "Downloading ${openssl_fallback.base_uri + openssl_fallback.tarball} to third_party/${openssl_fallback.tarball}"
+    wget ${openssl_fallback.base_uri + openssl_fallback.tarball} -O third_party/${openssl_fallback.tarball}
+  fi
+
+  # clean openssl directory
+  rm -rf third_party/${openssl_fallback.extraction_dir}
+
+  # extract archive
+  cd third_party
+  tar xfz ${openssl_fallback.tarball}
+
+  # build openssl
+  cd ${openssl_fallback.extraction_dir}
+  CC="$CC -fPIC -fvisibility=hidden" ./config no-asm
+  make
+
+  # generate the 'grpc_obj' directory needed by the makefile
+  mkdir grpc_obj
+  cd grpc_obj
+  ar x ../libcrypto.a
+  ar x ../libssl.a
diff --git a/templates/tools/run_tests/sources_and_headers.json.template b/templates/tools/run_tests/sources_and_headers.json.template
index 04802772af..07559828dc 100644
--- a/templates/tools/run_tests/sources_and_headers.json.template
+++ b/templates/tools/run_tests/sources_and_headers.json.template
@@ -3,34 +3,52 @@
   <%!
   import json
   import os
-  
+
   def proto_headers(src):
+    out = []
+    for f in src:
+      name, ext = os.path.splitext(f)
+      if ext == '.proto':
+        out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h'])
+    return out
+
+  def all_targets(targets, libs, filegroups):
+    for tgt in targets:
+      yield ('target', tgt)
+    for tgt in libs:
+      yield ('lib', tgt)
+    for tgt in filegroups:
+      yield ('filegroup', tgt)
+
+  def no_protos_filter(src):
+  	return os.path.splitext(src)[1] != '.proto'
+
+  def no_third_party_filter(src):
+  	return not src.startswith('third_party/')
+
+  def filter_srcs(srcs, filters):
   	out = []
-  	for f in src:
-  		name, ext = os.path.splitext(f)
-  		if ext == '.proto':
-  			out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h'])
-  	return out
-  
-  def no_protos(src):
-  	out = []
-  	for f in src:
-  		if os.path.splitext(f)[1] != '.proto':
-  			out.append(f)
+  	for s in srcs:
+  		filter_passes = (f(s) for f in filters)
+  		if all(filter_passes):
+  			out.append(s)
   	return out
   %>
-  
+
   ${json.dumps([{"name": tgt.name,
+                 "type": typ,
                  "language": tgt.language,
+                 "third_party": tgt.boringssl or tgt.zlib,
                  "src": sorted(
-                     no_protos(tgt.src) + 
-                     tgt.get('public_headers', []) + 
-                     tgt.get('headers', [])),
+                     filter_srcs(tgt.own_src, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_public_headers, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_headers, (no_third_party_filter,))),
                  "headers": sorted(
-                     tgt.get('public_headers', []) + 
-                     tgt.get('headers', []) + 
-                     proto_headers(tgt.src)),
-                 "deps": sorted(tgt.get('deps', []))}
-                for tgt in (targets + libs)
-                if not tgt.boringssl and not tgt.zlib],
+                     tgt.own_public_headers +
+                     tgt.own_headers +
+                     proto_headers(tgt.own_src)),
+                 "deps": sorted(tgt.get('deps', []) +
+                                tgt.get('uses', []) +
+                                tgt.get('filegroups', []))}
+                for typ, tgt in all_targets(targets, libs, filegroups)],
                sort_keys=True, indent=2)}
diff --git a/templates/tools/run_tests/tests.json.template b/templates/tools/run_tests/tests.json.template
index 9a84783467..5690874415 100644
--- a/templates/tools/run_tests/tests.json.template
+++ b/templates/tools/run_tests/tests.json.template
@@ -3,11 +3,12 @@
   <%!
   import json
   %>
-  
+
   ${json.dumps([{"name": tgt.name,
                  "language": tgt.language,
                  "platforms": tgt.platforms,
                  "ci_platforms": tgt.ci_platforms,
+                 "gtest": tgt.gtest,
                  "exclude_configs": tgt.get("exclude_configs", []),
                  "args": [],
                  "flaky": tgt.flaky,
diff --git a/templates/vsprojects/buildtests_c.sln.template b/templates/vsprojects/buildtests_c.sln.template
index a985fea64d..21312ab79a 100644
--- a/templates/vsprojects/buildtests_c.sln.template
+++ b/templates/vsprojects/buildtests_c.sln.template
@@ -2,6 +2,6 @@
 --- |
   <%namespace file="sln_defs.include" import="gen_solution"/>\
   <%
-  solution_projects = [p for p in vsprojects if p.build != 'protoc' and p.language == 'c' and not p.boringssl and not p.zlib]
+  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'fuzzer'] and p.language == 'c' and not p.boringssl and not p.zlib]
   %>\
   ${gen_solution(solution_projects, use_dlls='yes')}
diff --git a/templates/vsprojects/grpc.sln.template b/templates/vsprojects/grpc.sln.template
index dbbb2c2ad1..ded98383da 100644
--- a/templates/vsprojects/grpc.sln.template
+++ b/templates/vsprojects/grpc.sln.template
@@ -2,6 +2,6 @@
 --- |
   <%namespace file="sln_defs.include" import="gen_solution"/>\
   <%
-  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'test'] and p.language in ['c', 'c++'] and p.vs_proj_dir == '.' and not (p.build == 'private' and p.language == 'c++')]
+  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'test', 'fuzzer'] and p.language in ['c', 'c++'] and p.vs_proj_dir == '.' and not (p.build == 'private' and p.language == 'c++')]
   %>\
   ${gen_solution(solution_projects, use_dlls='yes')}
diff --git a/templates/vsprojects/protoc.props.template b/templates/vsprojects/protoc.props.template
index a869005dae..ced6028a4b 100644
--- a/templates/vsprojects/protoc.props.template
+++ b/templates/vsprojects/protoc.props.template
@@ -4,6 +4,9 @@
   <PropertyGroup Label="UserMacros" />

   <PropertyGroup />

   <ItemDefinitionGroup>

+    <ClCompile>

+      <DisableSpecificWarnings>4244;4267;%(DisableSpecificWarnings)</DisableSpecificWarnings>

+    </ClCompile>

     <Link>

       <AdditionalDependencies>libprotoc.lib;%(AdditionalDependencies)</AdditionalDependencies>

       <AdditionalLibraryDirectories>$(SolutionDir)\..\third_party\protobuf\cmake\$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

diff --git a/templates/vsprojects/vcxproj.filters_defs.include b/templates/vsprojects/vcxproj.filters_defs.include
index 7e2fbac147..e7df8db763 100644
--- a/templates/vsprojects/vcxproj.filters_defs.include
+++ b/templates/vsprojects/vcxproj.filters_defs.include
@@ -23,6 +23,11 @@
     % endfor
   </ItemGroup>
   % endif
+  % if project.get('dll_def', None):
+  <ItemGroup>
+    <None Include="${get_repo_root(project)}\${to_windows_path(project.dll_def)}" />
+  </ItemGroup>
+  % endif
   % if project.get('public_headers',[]):
   <ItemGroup>
     % for public_header in project.public_headers:
diff --git a/templates/vsprojects/vcxproj.template b/templates/vsprojects/vcxproj.template
index ecf113b4a8..0bb208f443 100644
--- a/templates/vsprojects/vcxproj.template
+++ b/templates/vsprojects/vcxproj.template
@@ -2,12 +2,14 @@
 ---
 foreach: vsprojects
 output_name: ${selected.vs_proj_dir}/${selected.name}/${selected.name}.vcxproj
+cond: selected.build not in ['fuzzer']
 template: |
   <%namespace file="vcxproj_defs.include" import="gen_project"/>\
   ${gen_project(selected.name, vsprojects)}
 ---
 foreach: vsprojects
 output_name: ${selected.vs_proj_dir}/${selected.name}/${selected.name}.vcxproj.filters
+cond: selected.build not in ['fuzzer']
 template: |
   <%namespace file="vcxproj.filters_defs.include" import="gen_filters"/>\
   ${gen_filters(selected.name, vsprojects)}
diff --git a/templates/vsprojects/vcxproj_defs.include b/templates/vsprojects/vcxproj_defs.include
index b57c27f76a..72a077f762 100644
--- a/templates/vsprojects/vcxproj_defs.include
+++ b/templates/vsprojects/vcxproj_defs.include
@@ -2,6 +2,9 @@
 <%def name="to_windows_path(path)">${path.replace('/','\\')}</%def>\
 <%def name="get_subsystem(is_library)">${'Windows' if is_library else 'Console'}</%def>\
 <%def name="item_definition_group(project, target, debug, dll, _64bit)">\
+<%
+  repo_root = '$(SolutionDir)\..'
+%>\
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='${'%s%s|%s' % ('Debug' if debug else 'Release', '-DLL' if dll else '', 'x64' if _64bit else 'Win32')}'">
     <ClCompile>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
@@ -23,6 +26,12 @@
       <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+% if project.get("noentry", False):
+      <NoEntryPoint>true</NoEntryPoint>
+% endif
+% if project.get("dll_def", None):
+      <ModuleDefinitionFile>${repo_root}\${to_windows_path(project.dll_def)}</ModuleDefinitionFile>
+% endif
 % if not debug:
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
@@ -194,6 +203,11 @@ ${gen_package_props(packages, repo_root)}\
     % endfor
   </ItemGroup>
   % endif
+  % if project.get('dll_def', None):
+  <ItemGroup>
+    <None Include="${repo_root}\${to_windows_path(project.dll_def)}" />
+  </ItemGroup>
+  % endif
   % if project.get('src',[]):
   <ItemGroup>
     % for src_name in project.src:
@@ -213,7 +227,7 @@ ${gen_package_props(packages, repo_root)}\
       % endif
     % endfor
   </ItemGroup>
-  % elif configuration_type != 'StaticLibrary':
+  % else:
   <ItemGroup>
     <ClCompile Include="${repo_root}\${to_windows_path('vsprojects/dummy.c')}">
     </ClCompile>
diff --git a/test/build/boringssl.c b/test/build/boringssl.c
new file mode 100644
index 0000000000..a31d4bf396
--- /dev/null
+++ b/test/build/boringssl.c
@@ -0,0 +1,51 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+// Check that boringssl is going to compile
+
+#include <stdio.h>
+#include <unistd.h>
+
+// boringssl uses anonymous unions
+struct foo {
+  union {
+    int a;
+    int b;
+  };
+};
+
+int main(void) {
+  const char *close = "this should not shadow";
+  printf("%s\n", close);
+  return 0;
+}
diff --git a/src/cpp/codegen/grpc_library.cc b/test/build/shadow.c
index 48acec3f3d..51d4f9e385 100644
--- a/src/cpp/codegen/grpc_library.cc
+++ b/test/build/shadow.c
@@ -31,10 +31,13 @@
  *
  */
 
-#include <grpc++/impl/codegen/grpc_library.h>
+// Check that boringssl is going to compile
 
-namespace grpc {
+#include <stdio.h>
+#include <unistd.h>
 
-GrpcLibraryInterface *g_glip = nullptr;
-
-}  // namespace grpc
+int main(void) {
+  const char *close = "this should not shadow";
+  printf("%s\n", close);
+  return 0;
+}
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 1a2ca6f0c0..cd5b541249 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,17 +33,19 @@
 
 #include "test/core/bad_client/bad_client.h"
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/server.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2_transport.h"
-
 #include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <stdio.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/server.h"
 
 typedef struct {
   grpc_server *server;
@@ -67,11 +69,8 @@ static void done_write(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   thd_args *a = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, a->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, a->server, transport,
                               grpc_server_get_channel_args(a->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -105,7 +104,7 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   sfd = grpc_iomgr_create_endpoint_pair("fixture", 65536);
 
   /* Create server, completion events */
-  a.server = grpc_server_create_from_filters(NULL, 0, NULL);
+  a.server = grpc_server_create(NULL, NULL);
   a.cq = grpc_completion_queue_create(NULL);
   gpr_event_init(&a.done_thd);
   gpr_event_init(&a.done_write);
@@ -113,7 +112,8 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   grpc_server_register_completion_queue(a.server, a.cq, NULL);
   a.registered_method =
       grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD,
-                                  GRPC_BAD_CLIENT_REGISTERED_HOST);
+                                  GRPC_BAD_CLIENT_REGISTERED_HOST,
+                                  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
   grpc_server_start(a.server);
   transport = grpc_create_chttp2_transport(&exec_ctx, NULL, sfd.server, 0);
   server_setup_transport(&a, transport);
@@ -158,9 +158,9 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
     grpc_exec_ctx_finish(&exec_ctx);
   }
   grpc_server_shutdown_and_notify(a.server, a.cq, NULL);
-  GPR_ASSERT(grpc_completion_queue_pluck(a.cq, NULL,
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 a.cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(a.server);
   grpc_completion_queue_destroy(a.cq);
   gpr_slice_buffer_destroy(&outgoing);
diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index c538bffd71..d49858ed6d 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@ BAD_CLIENT_TESTS = {
     'connection_prefix': default_test_options._replace(cpu_cost=0.2),
     'headers': default_test_options._replace(cpu_cost=0.2),
     'initial_settings_frame': default_test_options._replace(cpu_cost=0.2),
+    'head_of_line_blocking': default_test_options,
     'server_registered_method': default_test_options,
     'simple_request': default_test_options,
     'window_overflow': default_test_options,
diff --git a/test/core/bad_client/tests/badreq.c b/test/core/bad_client/tests/badreq.c
index 6d59d25b92..b17e3b35ee 100644
--- a/test/core/bad_client/tests/badreq.c
+++ b/test/core/bad_client/tests/badreq.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -45,9 +45,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/connection_prefix.c b/test/core/bad_client/tests/connection_prefix.c
index 66ff8c2936..9a30aad0e9 100644
--- a/test/core/bad_client/tests/connection_prefix.c
+++ b/test/core/bad_client/tests/connection_prefix.c
@@ -31,15 +31,15 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/head_of_line_blocking.c b/test/core/bad_client/tests/head_of_line_blocking.c
new file mode 100644
index 0000000000..53cd4537b2
--- /dev/null
+++ b/test/core/bad_client/tests/head_of_line_blocking.c
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/cq_verifier.h"
+
+static const char prefix[] =
+    "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+    // settings frame
+    "\x00\x00\x00\x04\x00\x00\x00\x00\x00"
+    // stream 1 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x01"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 1: advertise a 10000 byte payload (that we won't
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x01"
+    "\x01\x00\x00\x27\x10"
+    // stream 3 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x03"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 3: advertise a 10000 byte payload (that we will
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x03"
+    "\x01\x00\x00\x27\x10"
+    "";
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq,
+                     void *registered_method) {
+  grpc_call_error error;
+  grpc_call *s;
+  cq_verifier *cqv = cq_verifier_create(cq);
+  grpc_metadata_array request_metadata_recv;
+  gpr_timespec deadline;
+  grpc_byte_buffer *payload = NULL;
+
+  grpc_metadata_array_init(&request_metadata_recv);
+
+  error = grpc_server_request_registered_call(server, registered_method, &s,
+                                              &deadline, &request_metadata_recv,
+                                              &payload, cq, cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(payload != NULL);
+
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_destroy(s);
+  grpc_byte_buffer_destroy(payload);
+  cq_verifier_destroy(cqv);
+}
+
+char *g_buffer;
+size_t g_cap = 0;
+size_t g_count = 0;
+
+static void addbuf(const void *data, size_t len) {
+  if (g_count + len > g_cap) {
+    g_cap = GPR_MAX(g_count + len, g_cap * 2);
+    g_buffer = gpr_realloc(g_buffer, g_cap);
+  }
+  memcpy(g_buffer + g_count, data, len);
+  g_count += len;
+}
+
+int main(int argc, char **argv) {
+  int i;
+  grpc_test_init(argc, argv);
+
+#define NUM_FRAMES 10
+#define FRAME_SIZE 1000
+
+  addbuf(prefix, sizeof(prefix) - 1);
+  for (i = 0; i < NUM_FRAMES; i++) {
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      3};
+    uint8_t msg[FRAME_SIZE];
+    memset(msg, 'a', sizeof(msg));
+    addbuf(hdr, sizeof(hdr));
+    addbuf(msg, FRAME_SIZE);
+  }
+  grpc_run_bad_client_test(verifier, g_buffer, g_count, 0);
+  gpr_free(g_buffer);
+
+  return 0;
+}
diff --git a/test/core/bad_client/tests/headers.c b/test/core/bad_client/tests/headers.c
index 2186a4ffcb..4c1a76743e 100644
--- a/test/core/bad_client/tests/headers.c
+++ b/test/core/bad_client/tests/headers.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/initial_settings_frame.c b/test/core/bad_client/tests/initial_settings_frame.c
index fb6149cc3b..63a770df91 100644
--- a/test/core/bad_client/tests/initial_settings_frame.c
+++ b/test/core/bad_client/tests/initial_settings_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 #define ONE_SETTING_HDR "\x00\x00\x06\x04\x00\x00\x00\x00\x00"
@@ -40,9 +40,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/server_registered_method.c b/test/core/bad_client/tests/server_registered_method.c
index dc6ecc51f0..60d3b890b2 100644
--- a/test/core/bad_client/tests/server_registered_method.c
+++ b/test/core/bad_client/tests/server_registered_method.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                               \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                          \
diff --git a/test/core/bad_client/tests/simple_request.c b/test/core/bad_client/tests/simple_request.c
index c04319edc5..ac0fdde876 100644
--- a/test/core/bad_client/tests/simple_request.c
+++ b/test/core/bad_client/tests/simple_request.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -108,9 +108,9 @@ static void verifier(grpc_server *server, grpc_completion_queue *cq,
 static void failure_verifier(grpc_server *server, grpc_completion_queue *cq,
                              void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/unknown_frame.c b/test/core/bad_client/tests/unknown_frame.c
index 2ef340eeb5..f3870a1813 100644
--- a/test/core/bad_client/tests/unknown_frame.c
+++ b/test/core/bad_client/tests/unknown_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/window_overflow.c b/test/core/bad_client/tests/window_overflow.c
index 646d5c5f4c..16f11e7dd0 100644
--- a/test/core/bad_client/tests/window_overflow.c
+++ b/test/core/bad_client/tests/window_overflow.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/surface/server.h"
+#include "src/core/lib/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -60,9 +60,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
@@ -90,8 +90,15 @@ int main(int argc, char **argv) {
 
   addbuf(PFX_STR, sizeof(PFX_STR) - 1);
   for (i = 0; i < NUM_FRAMES; i++) {
-    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16), (uint8_t)(FRAME_SIZE >> 8),
-                      (uint8_t)FRAME_SIZE, 0, 0, 0, 0, 0, 1};
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      1};
     addbuf(hdr, sizeof(hdr));
     for (j = 0; j < MESSAGES_PER_FRAME; j++) {
       uint8_t message[5] = {0, 0, 0, 0, 0};
diff --git a/test/core/bad_ssl/bad_ssl_test.c b/test/core/bad_ssl/bad_ssl_test.c
index a78a0798ae..c4ae212ec2 100644
--- a/test/core/bad_ssl/bad_ssl_test.c
+++ b/test/core/bad_ssl/bad_ssl_test.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -41,9 +41,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -86,7 +87,7 @@ static void run_test(const char *target, size_t nops) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
@@ -144,6 +145,9 @@ int main(int argc, char **argv) {
   } else {
     strcpy(root, ".");
   }
+  if (argc == 2) {
+    gpr_setenv("GRPC_DEFAULT_SSL_ROOTS_FILE_PATH", argv[1]);
+  }
   /* figure out our test name */
   tmp = lunder - 1;
   while (*tmp != '_') tmp--;
diff --git a/test/core/bad_ssl/gen_build_yaml.py b/test/core/bad_ssl/gen_build_yaml.py
index cc097a8fdf..69f921989c 100755
--- a/test/core/bad_ssl/gen_build_yaml.py
+++ b/test/core/bad_ssl/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -52,8 +52,8 @@ def main():
               'name': 'bad_ssl_test_server',
               'build': 'private',
               'language': 'c',
-              'src': ['test/core/bad_ssl/server.c'],
-              'headers': ['test/core/bad_ssl/server.h'],
+              'src': ['test/core/bad_ssl/server_common.c'],
+              'headers': ['test/core/bad_ssl/server_common.h'],
               'vs_proj_dir': 'test',
               'platforms': ['linux', 'posix', 'mac'],
               'deps': [
diff --git a/test/core/bad_ssl/server.c b/test/core/bad_ssl/server_common.c
index 6113d364c9..14b1892c2e 100644
--- a/test/core/bad_ssl/server.c
+++ b/test/core/bad_ssl/server_common.c
@@ -35,7 +35,7 @@
 #include <grpc/support/log.h>
 #include <signal.h>
 
-#include "test/core/bad_ssl/server.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/util/test_config.h"
 
 /* Common server implementation details for all servers in servers/.
diff --git a/test/core/bad_ssl/server.h b/test/core/bad_ssl/server_common.h
index 8ec7755503..8ec7755503 100644
--- a/test/core/bad_ssl/server.h
+++ b/test/core/bad_ssl/server_common.h
diff --git a/test/core/bad_ssl/servers/alpn.c b/test/core/bad_ssl/servers/alpn.c
index 7d70690e52..007fa252c9 100644
--- a/test/core/bad_ssl/servers/alpn.c
+++ b/test/core/bad_ssl/servers/alpn.c
@@ -38,8 +38,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/chttp2/alpn.h"
-#include "test/core/bad_ssl/server.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 /* This test starts a server that is configured to advertise (via alpn and npn)
diff --git a/test/core/bad_ssl/servers/cert.c b/test/core/bad_ssl/servers/cert.c
index d67a6ca1d4..bd11efd314 100644
--- a/test/core/bad_ssl/servers/cert.c
+++ b/test/core/bad_ssl/servers/cert.c
@@ -38,9 +38,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/file.h"
+#include "src/core/lib/support/load_file.h"
 
-#include "test/core/bad_ssl/server.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 /* This server will present an untrusted cert to the connecting client,
@@ -56,9 +56,11 @@ int main(int argc, char **argv) {
 
   grpc_init();
 
-  cert_slice = gpr_load_file("src/core/tsi/test_creds/badserver.pem", 1, &ok);
+  cert_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.pem", 1, &ok);
   GPR_ASSERT(ok);
-  key_slice = gpr_load_file("src/core/tsi/test_creds/badserver.key", 1, &ok);
+  key_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.key", 1, &ok);
   GPR_ASSERT(ok);
   pem_key_cert_pair.private_key = (const char *)GPR_SLICE_START_PTR(key_slice);
   pem_key_cert_pair.cert_chain = (const char *)GPR_SLICE_START_PTR(cert_slice);
diff --git a/test/core/census/context_test.c b/test/core/census/context_test.c
index 63e7103ddc..e7a65380fb 100644
--- a/test/core/census/context_test.c
+++ b/test/core/census/context_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,60 +42,48 @@
 #include <string.h>
 #include "test/core/util/test_config.h"
 
-static uint8_t one_byte_val = 7;
-static uint32_t four_byte_val = 0x12345678;
-static uint64_t eight_byte_val = 0x1234567890abcdef;
-
-// A set of tags Used to create a basic context for testing. Each tag has a
-// unique set of flags. Note that replace_add_delete_test() relies on specific
-// offsets into this array - if you add or delete entries, you will also need
-// to change the test.
+// A set of tags Used to create a basic context for testing. Note that
+// replace_add_delete_test() relies on specific offsets into this array - if
+// you add or delete entries, you will also need to change the test.
 #define BASIC_TAG_COUNT 8
 static census_tag basic_tags[BASIC_TAG_COUNT] = {
-    /* 0 */ {"key0", "printable", 10, 0},
-    /* 1 */ {"k1", "a", 2, CENSUS_TAG_PROPAGATE},
-    /* 2 */ {"k2", "longer printable string", 24, CENSUS_TAG_STATS},
-    /* 3 */ {"key_three", (char *)&one_byte_val, 1, CENSUS_TAG_BINARY},
-    /* 4 */ {"really_long_key_4", "random", 7,
+    /* 0 */ {"key0", "tag value", 0},
+    /* 1 */ {"k1", "a", CENSUS_TAG_PROPAGATE},
+    /* 2 */ {"k2", "a longer tag value supercalifragilisticexpialiadocious",
+             CENSUS_TAG_STATS},
+    /* 3 */ {"key_three", "", 0},
+    /* 4 */ {"a_really_really_really_really_long_key_4", "random",
              CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS},
-    /* 5 */ {"k5", (char *)&four_byte_val, 4,
-             CENSUS_TAG_PROPAGATE | CENSUS_TAG_BINARY},
-    /* 6 */ {"k6", (char *)&eight_byte_val, 8,
-             CENSUS_TAG_STATS | CENSUS_TAG_BINARY},
-    /* 7 */ {"k7", (char *)&four_byte_val, 4,
-             CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS | CENSUS_TAG_BINARY}};
+    /* 5 */ {"k5", "v5", CENSUS_TAG_PROPAGATE},
+    /* 6 */ {"k6", "v6", CENSUS_TAG_STATS},
+    /* 7 */ {"k7", "v7", CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS}};
 
 // Set of tags used to modify the basic context. Note that
 // replace_add_delete_test() relies on specific offsets into this array - if
 // you add or delete entries, you will also need to change the test. Other
 // tests that rely on specific instances have XXX_XXX_OFFSET definitions (also
 // change the defines below if you add/delete entires).
-#define MODIFY_TAG_COUNT 11
+#define MODIFY_TAG_COUNT 10
 static census_tag modify_tags[MODIFY_TAG_COUNT] = {
 #define REPLACE_VALUE_OFFSET 0
-    /* 0 */ {"key0", "replace printable", 18, 0},  // replaces tag value only
+    /* 0 */ {"key0", "replace key0", 0},  // replaces tag value only
 #define ADD_TAG_OFFSET 1
-    /* 1 */ {"new_key", "xyzzy", 6, CENSUS_TAG_STATS},  // new tag
+    /* 1 */ {"new_key", "xyzzy", CENSUS_TAG_STATS},  // new tag
 #define DELETE_TAG_OFFSET 2
-    /* 2 */ {"k5", NULL, 5,
-             0},  // should delete tag, despite bogus value length
-    /* 3 */ {"k6", "foo", 0, 0},  // should delete tag, despite bogus value
-    /* 4 */ {"k6", "foo", 0, 0},  // try deleting already-deleted tag
-    /* 5 */ {"non-existent", NULL, 0, 0},  // another non-existent tag
-#define REPLACE_FLAG_OFFSET 6
-    /* 6 */ {"k1", "a", 2, 0},                   // change flags only
-    /* 7 */ {"k7", "bar", 4, CENSUS_TAG_STATS},  // change flags and value
-    /* 8 */ {"k2", (char *)&eight_byte_val, 8,
-             CENSUS_TAG_BINARY | CENSUS_TAG_PROPAGATE},  // more flags change
-                                                         // non-binary -> binary
-    /* 9 */ {"k6", "bar", 4, 0},  // add back tag, with different value
-    /* 10 */ {"foo", "bar", 4, CENSUS_TAG_PROPAGATE},  // another new tag
+    /* 2 */ {"k5", NULL, 0},            // should delete tag
+    /* 3 */ {"k5", NULL, 0},            // try deleting already-deleted tag
+    /* 4 */ {"non-existent", NULL, 0},  // delete non-existent tag
+#define REPLACE_FLAG_OFFSET 5
+    /* 5 */ {"k1", "a", 0},                    // change flags only
+    /* 6 */ {"k7", "bar", CENSUS_TAG_STATS},   // change flags and value
+    /* 7 */ {"k2", "", CENSUS_TAG_PROPAGATE},  // more value and flags change
+    /* 8 */ {"k5", "bar", 0},  // add back tag, with different value
+    /* 9 */ {"foo", "bar", CENSUS_TAG_PROPAGATE},  // another new tag
 };
 
 // Utility function to compare tags. Returns true if all fields match.
 static bool compare_tag(const census_tag *t1, const census_tag *t2) {
-  return (strcmp(t1->key, t2->key) == 0 && t1->value_len == t2->value_len &&
-          memcmp(t1->value, t2->value, t1->value_len) == 0 &&
+  return (strcmp(t1->key, t2->key) == 0 && strcmp(t1->value, t2->value) == 0 &&
           t1->flags == t2->flags);
 }
 
@@ -111,7 +99,7 @@ static void empty_test(void) {
   struct census_context *context = census_context_create(NULL, NULL, 0, NULL);
   GPR_ASSERT(context != NULL);
   const census_context_status *status = census_context_get_status(context);
-  census_context_status expected = {0, 0, 0, 0, 0, 0, 0, 0};
+  census_context_status expected = {0, 0, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
 }
@@ -121,7 +109,7 @@ static void basic_test(void) {
   const census_context_status *status;
   struct census_context *context =
       census_context_create(NULL, basic_tags, BASIC_TAG_COUNT, &status);
-  census_context_status expected = {2, 2, 4, 0, 8, 0, 0, 0};
+  census_context_status expected = {4, 4, 0, 8, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_iterator it;
   census_context_initialize_iterator(context, &it);
@@ -161,15 +149,18 @@ static void invalid_test(void) {
   memset(key, 'k', 299);
   key[299] = 0;
   char value[300];
-  memset(value, 'v', 300);
-  census_tag tag = {key, value, 3, CENSUS_TAG_BINARY};
+  memset(value, 'v', 299);
+  value[299] = 0;
+  census_tag tag = {key, value, 0};
   // long keys, short value. Key lengths (including terminator) should be
   // <= 255 (CENSUS_MAX_TAG_KV_LEN)
+  value[3] = 0;
+  GPR_ASSERT(strlen(value) == 3);
   GPR_ASSERT(strlen(key) == 299);
   const census_context_status *status;
   struct census_context *context =
       census_context_create(NULL, &tag, 1, &status);
-  census_context_status expected = {0, 0, 0, 0, 0, 0, 1, 0};
+  census_context_status expected = {0, 0, 0, 0, 0, 1, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
   key[CENSUS_MAX_TAG_KV_LEN] = 0;
@@ -180,24 +171,44 @@ static void invalid_test(void) {
   key[CENSUS_MAX_TAG_KV_LEN - 1] = 0;
   GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN - 1);
   context = census_context_create(NULL, &tag, 1, &status);
-  census_context_status expected2 = {0, 0, 1, 0, 1, 0, 0, 0};
+  census_context_status expected2 = {0, 1, 0, 1, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected2, sizeof(expected2)) == 0);
   census_context_destroy(context);
   // now try with long values
-  tag.value_len = 300;
+  value[3] = 'v';
+  GPR_ASSERT(strlen(value) == 299);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
-  tag.value_len = CENSUS_MAX_TAG_KV_LEN + 1;
+  value[CENSUS_MAX_TAG_KV_LEN] = 0;
+  GPR_ASSERT(strlen(value) == CENSUS_MAX_TAG_KV_LEN);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
-  tag.value_len = CENSUS_MAX_TAG_KV_LEN;
+  value[CENSUS_MAX_TAG_KV_LEN - 1] = 0;
+  GPR_ASSERT(strlen(value) == CENSUS_MAX_TAG_KV_LEN - 1);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected2, sizeof(expected2)) == 0);
   census_context_destroy(context);
   // 0 length key.
   key[0] = 0;
+  GPR_ASSERT(strlen(key) == 0);
+  context = census_context_create(NULL, &tag, 1, &status);
+  GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
+  census_context_destroy(context);
+  // invalid key character
+  key[0] = 31;  // 32 (' ') is the first valid character value
+  key[1] = 0;
+  GPR_ASSERT(strlen(key) == 1);
+  context = census_context_create(NULL, &tag, 1, &status);
+  GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
+  census_context_destroy(context);
+  // invalid value character
+  key[0] = ' ';
+  value[5] = 127;  // 127 (DEL) is ('~' + 1)
+  value[8] = 0;
+  GPR_ASSERT(strlen(key) == 1);
+  GPR_ASSERT(strlen(value) == 8);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
@@ -210,7 +221,7 @@ static void copy_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, NULL, 0, &status);
-  census_context_status expected = {2, 2, 4, 0, 0, 0, 0, 0};
+  census_context_status expected = {4, 4, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   for (int i = 0; i < BASIC_TAG_COUNT; i++) {
     census_tag tag;
@@ -228,7 +239,7 @@ static void replace_value_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + REPLACE_VALUE_OFFSET, 1, &status);
-  census_context_status expected = {2, 2, 4, 0, 0, 1, 0, 0};
+  census_context_status expected = {4, 4, 0, 0, 1, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -245,7 +256,7 @@ static void replace_flags_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + REPLACE_FLAG_OFFSET, 1, &status);
-  census_context_status expected = {1, 2, 5, 0, 0, 1, 0, 0};
+  census_context_status expected = {3, 5, 0, 0, 1, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -262,7 +273,7 @@ static void delete_tag_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + DELETE_TAG_OFFSET, 1, &status);
-  census_context_status expected = {2, 1, 4, 1, 0, 0, 0, 0};
+  census_context_status expected = {3, 4, 1, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -278,7 +289,7 @@ static void add_tag_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, modify_tags + ADD_TAG_OFFSET, 1, &status);
-  census_context_status expected = {2, 2, 5, 0, 1, 0, 0, 0};
+  census_context_status expected = {4, 5, 0, 1, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(context2, modify_tags[ADD_TAG_OFFSET].key,
@@ -295,24 +306,24 @@ static void replace_add_delete_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, modify_tags, MODIFY_TAG_COUNT, &status);
-  census_context_status expected = {2, 1, 6, 2, 3, 4, 0, 2};
+  census_context_status expected = {3, 7, 1, 3, 4, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   // validate context contents. Use specific indices into the two arrays
   // holding tag values.
   GPR_ASSERT(validate_tag(context2, &basic_tags[3]));
   GPR_ASSERT(validate_tag(context2, &basic_tags[4]));
+  GPR_ASSERT(validate_tag(context2, &basic_tags[6]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[0]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[1]));
+  GPR_ASSERT(validate_tag(context2, &modify_tags[5]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[6]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[7]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[8]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[9]));
-  GPR_ASSERT(validate_tag(context2, &modify_tags[10]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[0]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[1]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[2]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[5]));
-  GPR_ASSERT(!validate_tag(context2, &basic_tags[6]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[7]));
   census_context_destroy(context);
   census_context_destroy(context2);
@@ -325,21 +336,15 @@ static void encode_decode_test(void) {
   char buffer[BUF_SIZE];
   struct census_context *context =
       census_context_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
-  size_t print_bsize;
-  size_t bin_bsize;
   // Test with too small a buffer
-  GPR_ASSERT(census_context_encode(context, buffer, 2, &print_bsize,
-                                   &bin_bsize) == NULL);
-  char *b_buffer = census_context_encode(context, buffer, BUF_SIZE,
-                                         &print_bsize, &bin_bsize);
-  GPR_ASSERT(b_buffer != NULL && print_bsize > 0 && bin_bsize > 0 &&
-             print_bsize + bin_bsize <= BUF_SIZE &&
-             b_buffer == buffer + print_bsize);
-  census_context *context2 =
-      census_context_decode(buffer, print_bsize, b_buffer, bin_bsize);
+  GPR_ASSERT(census_context_encode(context, buffer, 2) == 0);
+  // Test with sufficient buffer
+  size_t buf_used = census_context_encode(context, buffer, BUF_SIZE);
+  GPR_ASSERT(buf_used != 0);
+  census_context *context2 = census_context_decode(buffer, buf_used);
   GPR_ASSERT(context2 != NULL);
   const census_context_status *status = census_context_get_status(context2);
-  census_context_status expected = {2, 2, 0, 0, 0, 0, 0, 0};
+  census_context_status expected = {4, 0, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   for (int i = 0; i < BASIC_TAG_COUNT; i++) {
     census_tag tag;
diff --git a/test/core/census/log_test.c b/test/core/census/mlog_test.c
index b68ca11504..36e8a492fd 100644
--- a/test/core/census/log_test.c
+++ b/test/core/census/mlog_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/census/log.h"
+#include "src/core/ext/census/mlog.h"
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -332,7 +332,7 @@ static void multiple_writers_single_reader(int circular_log) {
 
 static void setup_test(int circular_log) {
   census_log_initialize(LOG_SIZE_IN_MB, circular_log);
-  GPR_ASSERT(census_log_remaining_space() == LOG_SIZE_IN_BYTES);
+  //  GPR_ASSERT(census_log_remaining_space() == LOG_SIZE_IN_BYTES);
 }
 
 // Attempts to create a record of invalid size (size >
@@ -352,8 +352,8 @@ void test_invalid_record_size(void) {
   // check can fail if the thread is context switched to a new CPU during the
   // start_write execution (multiple blocks get allocated), but this has not
   // been observed in practice.
-  GPR_ASSERT(LOG_SIZE_IN_BYTES - CENSUS_LOG_MAX_RECORD_SIZE ==
-             census_log_remaining_space());
+  //  GPR_ASSERT(LOG_SIZE_IN_BYTES - CENSUS_LOG_MAX_RECORD_SIZE ==
+  //             census_log_remaining_space());
   census_log_shutdown();
 }
 
diff --git a/test/core/channel/channel_args_test.c b/test/core/channel/channel_args_test.c
index 0b74dee41e..c7fc25960c 100644
--- a/test/core/channel/channel_args_test.c
+++ b/test/core/channel/channel_args_test.c
@@ -36,7 +36,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index e19e9a57ae..81e3927a00 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #include <string.h>
 
@@ -92,10 +92,17 @@ static void free_call(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 }
 
 static void test_create_channel_stack(void) {
-  const grpc_channel_filter filter = {
-      call_func, channel_func, sizeof(int), call_init_func,
-      grpc_call_stack_ignore_set_pollset, call_destroy_func, sizeof(int),
-      channel_init_func, channel_destroy_func, get_peer, "some_test_filter"};
+  const grpc_channel_filter filter = {call_func,
+                                      channel_func,
+                                      sizeof(int),
+                                      call_init_func,
+                                      grpc_call_stack_ignore_set_pollset,
+                                      call_destroy_func,
+                                      sizeof(int),
+                                      channel_init_func,
+                                      channel_destroy_func,
+                                      get_peer,
+                                      "some_test_filter"};
   const grpc_channel_filter *filters = &filter;
   grpc_channel_stack *channel_stack;
   grpc_call_stack *call_stack;
diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_config/lb_policies_test.c
index cb99b3da3e..e766672cf5 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_config/lb_policies_test.c
@@ -41,17 +41,18 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/client_config/lb_policies/round_robin.h"
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
+#define RETRY_TIMEOUT 300
+
 typedef struct servers_fixture {
   size_t num_servers;
   grpc_server **servers;
@@ -137,8 +138,9 @@ static void kill_server(const servers_fixture *f, size_t i) {
   gpr_log(GPR_INFO, "KILLING SERVER %d", i);
   GPR_ASSERT(f->servers[i] != NULL);
   grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(
+      grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000), NULL)
+          .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->servers[i]);
   f->servers[i] = NULL;
 }
@@ -204,8 +206,8 @@ static void teardown_servers(servers_fixture *f) {
     if (f->servers[i] == NULL) continue;
     grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
     GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
-                                           n_millis_time(5000),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           n_millis_time(5000), NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(f->servers[i]);
   }
   grpc_completion_queue_shutdown(f->cq);
@@ -302,9 +304,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
                grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));
 
     s_idx = -1;
-    while ((ev = grpc_completion_queue_next(
-                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)).type !=
-           GRPC_QUEUE_TIMEOUT) {
+    while (
+        (ev = grpc_completion_queue_next(
+             f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10 * RETRY_TIMEOUT), NULL))
+            .type != GRPC_QUEUE_TIMEOUT) {
       GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
       read_tag = ((int)(intptr_t)ev.tag);
       gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
@@ -376,9 +379,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
       }
     }
 
-    GPR_ASSERT(grpc_completion_queue_next(f->cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(200),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(
+        grpc_completion_queue_next(
+            f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(2 * RETRY_TIMEOUT), NULL)
+            .type == GRPC_QUEUE_TIMEOUT);
 
     grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
     grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);
@@ -506,7 +510,7 @@ void run_spec(const test_spec *spec) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -542,7 +546,7 @@ static grpc_channel *create_client(const servers_fixture *f) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -868,6 +872,7 @@ static void verify_rebirth_round_robin(const servers_fixture *f,
 }
 
 int main(int argc, char **argv) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   test_spec *spec;
   size_t i;
   const size_t NUM_ITERS = 10;
@@ -875,11 +880,11 @@ int main(int argc, char **argv) {
 
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_lb_round_robin_trace = 1;
+  grpc_tracer_set_enabled("round_robin", 1);
 
-  GPR_ASSERT(grpc_lb_policy_create("this-lb-policy-does-not-exist", NULL) ==
-             NULL);
-  GPR_ASSERT(grpc_lb_policy_create(NULL, NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, "this-lb-policy-does-not-exist",
+                                   NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, NULL, NULL) == NULL);
 
   spec = test_spec_create(NUM_ITERS, NUM_SERVERS);
   /* everything is fine, all servers stay up the whole time and life's peachy */
@@ -931,6 +936,7 @@ int main(int argc, char **argv) {
   test_pending_calls(4);
   test_ping();
 
+  grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
new file mode 100644
index 0000000000..2322aa688a
--- /dev/null
+++ b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
@@ -0,0 +1,155 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "test/core/util/test_config.h"
+
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    grpc_subchannel_args *args) {
+  return NULL;
+}
+
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
+
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
+
+static gpr_mu g_mu;
+static bool g_fail_resolution = true;
+
+static grpc_resolved_addresses *my_resolve_address(const char *name,
+                                                   const char *addr) {
+  gpr_mu_lock(&g_mu);
+  GPR_ASSERT(0 == strcmp("test", name));
+  if (g_fail_resolution) {
+    g_fail_resolution = false;
+    gpr_mu_unlock(&g_mu);
+    return NULL;
+  } else {
+    gpr_mu_unlock(&g_mu);
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    addrs->addrs[0].len = 123;
+    return addrs;
+  }
+}
+
+static grpc_resolver *create_resolver(const char *name) {
+  grpc_resolver_factory *factory = grpc_resolver_factory_lookup("dns");
+  grpc_uri *uri = grpc_uri_parse(name, 0);
+  GPR_ASSERT(uri);
+  grpc_resolver_args args;
+  memset(&args, 0, sizeof(args));
+  args.uri = uri;
+  args.client_channel_factory = &cc_factory;
+  grpc_resolver *resolver =
+      grpc_resolver_factory_create_resolver(factory, &args);
+  grpc_resolver_factory_unref(factory);
+  grpc_uri_destroy(uri);
+  return resolver;
+}
+
+static void on_done(grpc_exec_ctx *exec_ctx, void *ev, bool success) {
+  gpr_event_set(ev, (void *)1);
+}
+
+// interleave waiting for an event with a timer check
+static bool wait_loop(int deadline_seconds, gpr_event *ev) {
+  while (deadline_seconds) {
+    gpr_log(GPR_DEBUG, "Test: waiting for %d more seconds", deadline_seconds);
+    if (gpr_event_wait(ev, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1))) return true;
+    deadline_seconds--;
+
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_timer_check(&exec_ctx, gpr_now(GPR_CLOCK_MONOTONIC), NULL);
+    grpc_exec_ctx_finish(&exec_ctx);
+  }
+  return false;
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+
+  grpc_init();
+  gpr_mu_init(&g_mu);
+  grpc_blocking_resolve_address = my_resolve_address;
+
+  grpc_resolver *resolver = create_resolver("dns:test");
+
+  grpc_client_config *config = (grpc_client_config *)1;
+
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  gpr_event ev1;
+  gpr_event_init(&ev1);
+  grpc_resolver_next(&exec_ctx, resolver, &config,
+                     grpc_closure_create(on_done, &ev1));
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(wait_loop(5, &ev1));
+  GPR_ASSERT(config == NULL);
+
+  gpr_event ev2;
+  gpr_event_init(&ev2);
+  grpc_resolver_next(&exec_ctx, resolver, &config,
+                     grpc_closure_create(on_done, &ev2));
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(wait_loop(30, &ev2));
+  GPR_ASSERT(config != NULL);
+
+  grpc_client_config_unref(&exec_ctx, config);
+  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test");
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+}
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_config/resolvers/dns_resolver_test.c
index 38e76d5342..21dc99cadd 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,8 +98,9 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *dns;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  dns = grpc_dns_resolver_factory_create();
+  dns = grpc_resolver_factory_lookup("dns");
 
   test_succeeds(dns, "dns:10.2.1.1");
   test_succeeds(dns, "dns:10.2.1.1:1234");
@@ -101,6 +108,7 @@ int main(int argc, char **argv) {
   test_fails(dns, "ipv4://8.8.8.8/8.8.8.8:8888");
 
   grpc_resolver_factory_unref(dns);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_config/resolvers/sockaddr_resolver_test.c
index 8856c85449..b11546b6b1 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_config/resolvers/sockaddr_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,12 +98,14 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *ipv4, *ipv6;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  ipv4 = grpc_ipv4_resolver_factory_create();
-  ipv6 = grpc_ipv6_resolver_factory_create();
+  ipv4 = grpc_resolver_factory_lookup("ipv4");
+  ipv6 = grpc_resolver_factory_lookup("ipv6");
 
   test_fails(ipv4, "ipv4:10.2.1.1");
   test_succeeds(ipv4, "ipv4:10.2.1.1:1234");
+  test_succeeds(ipv4, "ipv4:10.2.1.1:1234,127.0.0.1:4321");
   test_fails(ipv4, "ipv4:10.2.1.1:123456");
   test_fails(ipv4, "ipv4:www.google.com");
   test_fails(ipv4, "ipv4:[");
@@ -111,6 +119,7 @@ int main(int argc, char **argv) {
 
   grpc_resolver_factory_unref(ipv4);
   grpc_resolver_factory_unref(ipv6);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/set_initial_connect_string_test.c b/test/core/client_config/set_initial_connect_string_test.c
index bcd1f26123..83058d9b2c 100644
--- a/test/core/client_config/set_initial_connect_string_test.c
+++ b/test/core/client_config/set_initial_connect_string_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,10 +38,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/client_config/initial_connect_string.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/core/util/test_tcp_server.h"
@@ -85,7 +85,7 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
   gpr_slice_buffer_init(&state.incoming_buffer);
   gpr_slice_buffer_init(&state.temp_incoming_buffer);
   state.tcp = tcp;
-  grpc_endpoint_add_to_pollset(exec_ctx, tcp, &server->pollset);
+  grpc_endpoint_add_to_pollset(exec_ctx, tcp, server->pollset);
   grpc_endpoint_read(exec_ctx, tcp, &state.temp_incoming_buffer, &on_read);
 }
 
diff --git a/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342 b/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
new file mode 100644
index 0000000000..a85e7a8c21
--- /dev/null
+++ b/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
@@ -0,0 +1,2 @@
+::nix::ii///ii/\a‡?=n;iI_!';&b.cii??nn!%i!*%
+*;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342 b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
new file mode 100644
index 0000000000..597a6db294
--- /dev/null
+++ b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
@@ -0,0 +1 @@
+i
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11 b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
new file mode 100644
index 0000000000..d56b8fc6c8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
@@ -0,0 +1 @@
+:iiiÐ?+n!ij
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f b/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
new file mode 100644
index 0000000000..5b913f1bb8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
@@ -0,0 +1,2 @@
+:ipip~6:‡i:::1
+v:miP/ii:::/iu?n?n)i!=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118 b/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
new file mode 100644
index 0000000000..76f157cda5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
@@ -0,0 +1 @@
+i:i:‡ii:i?nip~??ni=niI&6.u/n_!'p~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
new file mode 100644
index 0000000000..3936e8964c
--- /dev/null
+++ b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
@@ -0,0 +1 @@
+:‡i?=niI_!';ñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
new file mode 100644
index 0000000000..a94c4cf58d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
@@ -0,0 +1,2 @@
+~ipip~6::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80 b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
new file mode 100644
index 0000000000..875ac2a4f9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
@@ -0,0 +1 @@
+:il0P/8?n!$i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971 b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
new file mode 100644
index 0000000000..59469af528
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
@@ -0,0 +1,3 @@
+iiP*v:::pip~6:::0
+v:::11
+
diff --git a/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
new file mode 100644
index 0000000000..2f902351bd
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
@@ -0,0 +1 @@
+:ii/i?n!%i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1 b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
new file mode 100644
index 0000000000..4bdc3f60c0
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
@@ -0,0 +1 @@
+uni::.i?n(!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
new file mode 100644
index 0000000000..fb7665d0cc
--- /dev/null
+++ b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
@@ -0,0 +1,2 @@
+:/i?n!ipv6:./::abc.*
+
diff --git a/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
new file mode 100644
index 0000000000..6c1e22fa32
--- /dev/null
+++ b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
@@ -0,0 +1 @@
+unix://ii:#v6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327 b/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
new file mode 100644
index 0000000000..694d51dc9a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
@@ -0,0 +1 @@
+uni:/i:i:‡i:i:‡i??ni=niIi??ni=niI__!!i?n!i'p'pR2p~~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c b/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
new file mode 100644
index 0000000000..af80f07d19
--- /dev/null
+++ b/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
@@ -0,0 +1 @@
+i:i:‡i??ni=niI_!'p~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
new file mode 100644
index 0000000000..725b2086c5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
@@ -0,0 +1,4 @@
+i:i?nip~&2./:::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c b/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
new file mode 100644
index 0000000000..7f0f2ea6ea
--- /dev/null
+++ b/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
@@ -0,0 +1 @@
+:‡i?=niI_!';;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1 b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
new file mode 100644
index 0000000000..23d52e19a8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
@@ -0,0 +1 @@
+:iiP/i?n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab b/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
new file mode 100644
index 0000000000..f975f97059
--- /dev/null
+++ b/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
@@ -0,0 +1 @@
+i:i?nip~&6.u/n
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822 b/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
new file mode 100644
index 0000000000..d5fb7ba274
--- /dev/null
+++ b/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
@@ -0,0 +1,2 @@
+:unix://ii//a.b.ci?n!%
+*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb b/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
new file mode 100644
index 0000000000..1860e1c5b4
--- /dev/null
+++ b/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
@@ -0,0 +1 @@
+:‡i?P=niIii-i?%n'!%*i=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8 b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
new file mode 100644
index 0000000000..1dc4931ac6
--- /dev/null
+++ b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
@@ -0,0 +1,4 @@
+:i?n!ip~f2:./::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
new file mode 100644
index 0000000000..7b9532914e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
@@ -0,0 +1 @@
+:‡i?=niI!';ñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
new file mode 100644
index 0000000000..4eaca39265
--- /dev/null
+++ b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
@@ -0,0 +1 @@
+unix://ii:pv6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58 b/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
new file mode 100644
index 0000000000..fe908d213a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
@@ -0,0 +1 @@
+uni::.ilP:%:%i:i‡i:‡i?=nii?n(!ipRI_&/.i;;!?=ii/?n#lniiI_!*Kii!/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6 b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
new file mode 100644
index 0000000000..57cbd72dbc
--- /dev/null
+++ b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
@@ -0,0 +1 @@
+uni::/i?n!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1 b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
new file mode 100644
index 0000000000..e13cf5a8e6
--- /dev/null
+++ b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
@@ -0,0 +1,2 @@
+ipip~6:::1
+v:::1
diff --git a/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb b/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
new file mode 100644
index 0000000000..0e7f44caf2
--- /dev/null
+++ b/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
@@ -0,0 +1 @@
+i:i:‡i:i:‡i??ni=niIi??ni=niI__!!'p'p~~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d b/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
new file mode 100644
index 0000000000..679f13e307
--- /dev/null
+++ b/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
@@ -0,0 +1,2 @@
+unix:///a/:.:ii/i?nc!%
+i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266 b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
new file mode 100644
index 0000000000..58ecc7e2af
--- /dev/null
+++ b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
@@ -0,0 +1 @@
+ip*v:::1
diff --git a/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb b/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
new file mode 100644
index 0000000000..ffd807b39e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
@@ -0,0 +1 @@
+ilP:%i:‡i?=niI_.i;;!ii/?nni*!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4 b/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
new file mode 100644
index 0000000000..8ad79f9eb9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
@@ -0,0 +1 @@
+:‡i?P-niI%'i=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
new file mode 100644
index 0000000000..efb392b7d9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
@@ -0,0 +1,2 @@
+:/i/n!ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8 b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
new file mode 100644
index 0000000000..7155222547
--- /dev/null
+++ b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
@@ -0,0 +1 @@
+ilP.i;?n!#i!;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
new file mode 100644
index 0000000000..4061e02189
--- /dev/null
+++ b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
@@ -0,0 +1 @@
+unix::/i?n!ipv6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6 b/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
new file mode 100644
index 0000000000..facb11c5ed
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
@@ -0,0 +1 @@
+:%i:‡i?=niI_!ii/?ni*!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
new file mode 100644
index 0000000000..736e63e7e7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
@@ -0,0 +1 @@
+:¢ilP/i;n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
new file mode 100644
index 0000000000..dff2f8920d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
@@ -0,0 +1 @@
+u+ni::/i?n!ipR3/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38 b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
new file mode 100644
index 0000000000..13a115481d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
@@ -0,0 +1 @@
+uni::pi:miP/?ni.!(Ri?)8/n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757 b/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
new file mode 100644
index 0000000000..b7e7e970f8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
@@ -0,0 +1 @@
+:iI/i?n!%š*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2 b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
new file mode 100644
index 0000000000..fe019fc409
--- /dev/null
+++ b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
@@ -0,0 +1 @@
+uni::.i!in:/i/n!ipv6ž:?(pR;::/a.2b
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
new file mode 100644
index 0000000000..6e12167b52
--- /dev/null
+++ b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
@@ -0,0 +1 @@
+:ii/iilP.i;?n?n!#i!;!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4 b/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
new file mode 100644
index 0000000000..119b0808c9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
@@ -0,0 +1 @@
+:%i:i‡?=#liI_!Kii/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807 b/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
new file mode 100644
index 0000000000..01db5d8aa4
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
@@ -0,0 +1,2 @@
+::unix://ii//a‡?=niI_!';.b.ci?n!%
+*;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d b/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
new file mode 100644
index 0000000000..2ccb535449
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
@@ -0,0 +1 @@
+uni::.i?n(!ipR&/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9 b/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
new file mode 100644
index 0000000000..f3c0404be7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
@@ -0,0 +1 @@
+::nix::ii///ii/\a:‡?=n;iI_!';&b.ciii
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245 b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
new file mode 100644
index 0000000000..b5655220d7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
@@ -0,0 +1 @@
+:‡i?P-niI!'iñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
new file mode 100644
index 0000000000..a7656724f5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
@@ -0,0 +1 @@
+unix://ipv6:::
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
new file mode 100644
index 0000000000..d658fb8ee0
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
@@ -0,0 +1 @@
+:ilP/i?n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
new file mode 100644
index 0000000000..6d37b5fd45
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
@@ -0,0 +1 @@
+:ilP/i?n,!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/dns.txt b/test/core/client_config/uri_corpus/dns.txt
new file mode 100644
index 0000000000..577e1054e4
--- /dev/null
+++ b/test/core/client_config/uri_corpus/dns.txt
@@ -0,0 +1 @@
+dns:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd b/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
new file mode 100644
index 0000000000..497bfd37ee
--- /dev/null
+++ b/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
@@ -0,0 +1 @@
+ilP:%:%i:i‡i:‡i?=niI_.i;;!?=ii/?n#lniiI_!*Kii!/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71 b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
new file mode 100644
index 0000000000..52f5a2382a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
@@ -0,0 +1,4 @@
+i:i?n!ip~f2.:/::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
new file mode 100644
index 0000000000..c3c93fed6a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
@@ -0,0 +1 @@
+ii-i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2 b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
new file mode 100644
index 0000000000..45065e2f00
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
@@ -0,0 +1 @@
+:ii/i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3 b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
new file mode 100644
index 0000000000..02151c8b6a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
@@ -0,0 +1,2 @@
+:ipip~6:::1
+vii/:::iunix:?n/1/ipv6!%
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67 b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
new file mode 100644
index 0000000000..8034e133d7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
@@ -0,0 +1 @@
+:iiP/i?n!i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
new file mode 100644
index 0000000000..240946dbaa
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
@@ -0,0 +1,2 @@
+unix://ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101 b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
new file mode 100644
index 0000000000..d089a59346
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
@@ -0,0 +1 @@
+:ilP.i;?n!#i;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4 b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
new file mode 100644
index 0000000000..66eefbcc14
--- /dev/null
+++ b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
@@ -0,0 +1 @@
+:miP/i?)n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ipv4.txt b/test/core/client_config/uri_corpus/ipv4.txt
new file mode 100644
index 0000000000..fe29486b6e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv4.txt
@@ -0,0 +1 @@
+ipv4:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/ipv6.txt b/test/core/client_config/uri_corpus/ipv6.txt
new file mode 100644
index 0000000000..7b6932be00
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv6.txt
@@ -0,0 +1 @@
+ipv6:::1
diff --git a/test/core/client_config/uri_corpus/unix.txt b/test/core/client_config/uri_corpus/unix.txt
new file mode 100644
index 0000000000..7a0997ec9a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/unix.txt
@@ -0,0 +1 @@
+unix:///a.b.c
diff --git a/src/core/client_config/lb_policies/pick_first.h b/test/core/client_config/uri_fuzzer_test.c
index 3ca53ad42a..eb976fc9f5 100644
--- a/src/core/client_config/lb_policies/pick_first.h
+++ b/test/core/client_config/uri_fuzzer_test.c
@@ -31,13 +31,22 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_PICK_FIRST_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_PICK_FIRST_H
+#include <stdint.h>
+#include <string.h>
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include <grpc/support/alloc.h>
 
-/** Returns a load balancing factory for the pick first policy, which picks up
- * the first subchannel from \a subchannels to succesfully connect */
-grpc_lb_policy_factory *grpc_pick_first_lb_factory_create();
+#include "src/core/ext/client_config/uri_parser.h"
 
-#endif
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s = gpr_malloc(size + 1);
+  memcpy(s, data, size);
+  s[size] = 0;
+
+  grpc_uri *x;
+  if ((x = grpc_uri_parse(s, 1))) {
+    grpc_uri_destroy(x);
+  }
+  gpr_free(s);
+  return 0;
+}
diff --git a/test/core/client_config/uri_parser_test.c b/test/core/client_config/uri_parser_test.c
index df12d6b4cb..323e8b6f70 100644
--- a/test/core/client_config/uri_parser_test.c
+++ b/test/core/client_config/uri_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
@@ -56,6 +56,73 @@ static void test_fails(const char *uri_text) {
   GPR_ASSERT(NULL == grpc_uri_parse(uri_text, 0));
 }
 
+static void test_query_parts() {
+  {
+    const char *uri_text = "http://foo/path?a&b=B&c=&#frag";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("a&b=B&c=&", uri->query));
+    GPR_ASSERT(4 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("a", uri->query_parts[0]));
+    GPR_ASSERT(NULL == uri->query_parts_values[0]);
+
+    GPR_ASSERT(0 == strcmp("b", uri->query_parts[1]));
+    GPR_ASSERT(0 == strcmp("B", uri->query_parts_values[1]));
+
+    GPR_ASSERT(0 == strcmp("c", uri->query_parts[2]));
+    GPR_ASSERT(0 == strcmp("", uri->query_parts_values[2]));
+
+    GPR_ASSERT(0 == strcmp("", uri->query_parts[3]));
+    GPR_ASSERT(NULL == uri->query_parts_values[3]);
+
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, "a"));
+    GPR_ASSERT(0 == strcmp("B", grpc_uri_get_query_arg(uri, "b")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "c")));
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, ""));
+
+    GPR_ASSERT(0 == strcmp("frag", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* test the current behavior of multiple query part values */
+    const char *uri_text = "http://auth/path?foo=bar=baz&foobar==";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("auth", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("foo=bar=baz&foobar==", uri->query));
+    GPR_ASSERT(2 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("bar", grpc_uri_get_query_arg(uri, "foo")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "foobar")));
+
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* empty query */
+    const char *uri_text = "http://foo/path";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("", uri->query));
+    GPR_ASSERT(0 == uri->num_query_parts);
+    GPR_ASSERT(NULL == uri->query_parts);
+    GPR_ASSERT(NULL == uri->query_parts_values);
+    GPR_ASSERT(0 == strcmp("", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_succeeds("http://www.google.com", "http", "www.google.com", "", "", "");
@@ -82,5 +149,6 @@ int main(int argc, char **argv) {
   test_fails("http://foo?x[bar]");
   test_fails("http://foo?bar#lol#");
 
+  test_query_parts();
   return 0;
 }
diff --git a/test/core/compression/algorithm_test.c b/test/core/compression/algorithm_test.c
index 7de7e11a94..bdee748ae6 100644
--- a/test/core/compression/algorithm_test.c
+++ b/test/core/compression/algorithm_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/algorithm_metadata.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 static void test_algorithm_mesh(void) {
diff --git a/test/core/compression/compression_test.c b/test/core/compression/compression_test.c
index 26d7b2b6cc..4c43746e33 100644
--- a/test/core/compression/compression_test.c
+++ b/test/core/compression/compression_test.c
@@ -93,18 +93,98 @@ static void test_compression_algorithm_name(void) {
 }
 
 static void test_compression_algorithm_for_level(void) {
-  size_t i;
-  grpc_compression_level levels[] = {
-      GRPC_COMPRESS_LEVEL_NONE, GRPC_COMPRESS_LEVEL_LOW,
-      GRPC_COMPRESS_LEVEL_MED, GRPC_COMPRESS_LEVEL_HIGH};
-  grpc_compression_algorithm algorithms[] = {
-      GRPC_COMPRESS_NONE, GRPC_COMPRESS_DEFLATE, GRPC_COMPRESS_DEFLATE,
-      GRPC_COMPRESS_DEFLATE};
   gpr_log(GPR_DEBUG, "test_compression_algorithm_for_level");
 
-  for (i = 0; i < GPR_ARRAY_SIZE(levels); i++) {
-    GPR_ASSERT(algorithms[i] ==
-               grpc_compression_algorithm_for_level(levels[i]));
+  {
+    /* accept only identity (aka none) */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only gzip */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept gzip and deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
   }
 }
 
diff --git a/test/core/compression/message_compress_test.c b/test/core/compression/message_compress_test.c
index 6d3d16128a..1a93903346 100644
--- a/test/core/compression/message_compress_test.c
+++ b/test/core/compression/message_compress_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 724d419a7a..77afe588d7 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -37,8 +37,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/surface/event_string.h"
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/byte_buffer_reader.h>
 #include <grpc/support/alloc.h>
@@ -46,6 +44,8 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/event_string.h"
 
 #define ROOT_EXPECTATION 1000
 
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 58e13a4098..81f76ea79c 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -39,9 +39,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
@@ -168,7 +168,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = expect_ok ? GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY : 0;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -237,7 +237,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
     cq_expect_completion(cqv, tag(1), 1);
     cq_verify(cqv);
 
-    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
   }
 
   grpc_call_destroy(c);
@@ -249,9 +249,9 @@ void test_connect(const char *server_host, const char *client_host, int port,
 
   /* Destroy server. */
   grpc_server_shutdown_and_notify(server, cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(server);
   grpc_completion_queue_shutdown(cq);
   drain_cq(cq);
diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 9ff46d62e4..b71299c09e 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,49 +35,137 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
-extern void channel_connectivity(grpc_end2end_test_config config);
-extern void channel_ping(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
+extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
+extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
-extern void metadata(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
+extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
+extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -87,23 +175,24 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
-    channel_connectivity(config);
-    channel_ping(config);
     compressed_payload(config);
+    connectivity(config);
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
     max_message_length(config);
-    metadata(config);
     negative_deadline(config);
     no_op(config);
     payload(config);
+    ping(config);
     ping_pong_streaming(config);
     registered_call(config);
     request_with_flags(config);
@@ -112,6 +201,7 @@ void grpc_end2end_tests(int argc, char **argv,
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
     simple_delayed_request(config);
+    simple_metadata(config);
     simple_request(config);
     trailing_metadata(config);
     return;
@@ -150,18 +240,14 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_with_status(config);
       continue;
     }
-    if (0 == strcmp("channel_connectivity", argv[i])) {
-      channel_connectivity(config);
-      continue;
-    }
-    if (0 == strcmp("channel_ping", argv[i])) {
-      channel_ping(config);
-      continue;
-    }
     if (0 == strcmp("compressed_payload", argv[i])) {
       compressed_payload(config);
       continue;
     }
+    if (0 == strcmp("connectivity", argv[i])) {
+      connectivity(config);
+      continue;
+    }
     if (0 == strcmp("default_host", argv[i])) {
       default_host(config);
       continue;
@@ -174,6 +260,10 @@ void grpc_end2end_tests(int argc, char **argv,
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
@@ -186,6 +276,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
@@ -202,10 +296,6 @@ void grpc_end2end_tests(int argc, char **argv,
       max_message_length(config);
       continue;
     }
-    if (0 == strcmp("metadata", argv[i])) {
-      metadata(config);
-      continue;
-    }
     if (0 == strcmp("negative_deadline", argv[i])) {
       negative_deadline(config);
       continue;
@@ -218,6 +308,10 @@ void grpc_end2end_tests(int argc, char **argv,
       payload(config);
       continue;
     }
+    if (0 == strcmp("ping", argv[i])) {
+      ping(config);
+      continue;
+    }
     if (0 == strcmp("ping_pong_streaming", argv[i])) {
       ping_pong_streaming(config);
       continue;
@@ -250,6 +344,10 @@ void grpc_end2end_tests(int argc, char **argv,
       simple_delayed_request(config);
       continue;
     }
+    if (0 == strcmp("simple_metadata", argv[i])) {
+      simple_metadata(config);
+      continue;
+    }
     if (0 == strcmp("simple_request", argv[i])) {
       simple_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index 397ff446a9..00c9c44a78 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,50 +35,140 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void call_creds(grpc_end2end_test_config config);
+extern void call_creds_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
-extern void channel_connectivity(grpc_end2end_test_config config);
-extern void channel_ping(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
+extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
+extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
-extern void metadata(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
+extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
+extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  call_creds_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -89,23 +179,24 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
-    channel_connectivity(config);
-    channel_ping(config);
     compressed_payload(config);
+    connectivity(config);
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
     max_message_length(config);
-    metadata(config);
     negative_deadline(config);
     no_op(config);
     payload(config);
+    ping(config);
     ping_pong_streaming(config);
     registered_call(config);
     request_with_flags(config);
@@ -114,6 +205,7 @@ void grpc_end2end_tests(int argc, char **argv,
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
     simple_delayed_request(config);
+    simple_metadata(config);
     simple_request(config);
     trailing_metadata(config);
     return;
@@ -156,18 +248,14 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_with_status(config);
       continue;
     }
-    if (0 == strcmp("channel_connectivity", argv[i])) {
-      channel_connectivity(config);
-      continue;
-    }
-    if (0 == strcmp("channel_ping", argv[i])) {
-      channel_ping(config);
-      continue;
-    }
     if (0 == strcmp("compressed_payload", argv[i])) {
       compressed_payload(config);
       continue;
     }
+    if (0 == strcmp("connectivity", argv[i])) {
+      connectivity(config);
+      continue;
+    }
     if (0 == strcmp("default_host", argv[i])) {
       default_host(config);
       continue;
@@ -180,6 +268,10 @@ void grpc_end2end_tests(int argc, char **argv,
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
@@ -192,6 +284,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
@@ -208,10 +304,6 @@ void grpc_end2end_tests(int argc, char **argv,
       max_message_length(config);
       continue;
     }
-    if (0 == strcmp("metadata", argv[i])) {
-      metadata(config);
-      continue;
-    }
     if (0 == strcmp("negative_deadline", argv[i])) {
       negative_deadline(config);
       continue;
@@ -224,6 +316,10 @@ void grpc_end2end_tests(int argc, char **argv,
       payload(config);
       continue;
     }
+    if (0 == strcmp("ping", argv[i])) {
+      ping(config);
+      continue;
+    }
     if (0 == strcmp("ping_pong_streaming", argv[i])) {
       ping_pong_streaming(config);
       continue;
@@ -256,6 +352,10 @@ void grpc_end2end_tests(int argc, char **argv,
       simple_delayed_request(config);
       continue;
     }
+    if (0 == strcmp("simple_metadata", argv[i])) {
+      simple_metadata(config);
+      continue;
+    }
     if (0 == strcmp("simple_request", argv[i])) {
       simple_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index bc44f43a17..dfa041c0c6 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -64,6 +64,7 @@ struct grpc_end2end_test_config {
   void (*tear_down_data)(grpc_end2end_test_fixture *f);
 };
 
+void grpc_end2end_tests_pre_init(void);
 void grpc_end2end_tests(int argc, char **argv, grpc_end2end_test_config config);
 
 #endif /* GRPC_TEST_CORE_END2END_END2END_TESTS_H */
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index e74c9ae243..ff2f028f09 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -120,6 +120,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index fea8a4f751..8f9b7c9cd9 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -124,6 +124,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 2767f1df4a..246619bf68 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -36,14 +36,14 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   char *localaddr;
@@ -150,7 +150,7 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index 4b93581899..e7dfc561a1 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
 
 typedef struct fullstack_fixture_data {
   char *localaddr;
@@ -108,6 +108,7 @@ int main(int argc, char **argv) {
   grpc_allow_specialized_wakeup_fd = 0;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+poll+pipe.c b/test/core/end2end/fixtures/h2_full+poll+pipe.c
deleted file mode 100644
index d475a7bb55..0000000000
--- a/test/core/end2end/fixtures/h2_full+poll+pipe.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_allow_specialized_wakeup_fd = 0;
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_full+poll.c b/test/core/end2end/fixtures/h2_full+trace.c
index 3f5e6096f6..c4dc5b9bc1 100644
--- a/test/core/end2end/fixtures/h2_full+poll.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -35,18 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -73,6 +74,7 @@ void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                   grpc_channel_args *client_args) {
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
+  GPR_ASSERT(f->client);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
@@ -103,11 +105,24 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
 
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
+  /* force tracing on, with a value to force many
+     code paths in trace.c to be taken */
+  gpr_setenv("GRPC_TRACE", "doesnt-exist,http,all");
+
+#ifdef GPR_POSIX_SOCKET
+  g_fixture_slowdown_factor = isatty(STDOUT_FILENO) ? 10.0 : 1.0;
+#else
+  g_fixture_slowdown_factor = 10.0;
+#endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
+  GPR_ASSERT(0 == grpc_tracer_set_enabled("also-doesnt-exist", 0));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("http", 1));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("all", 1));
+
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
     grpc_end2end_tests(argc, argv, configs[i]);
   }
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index ebaa1c6a2c..4a2f17eb91 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -105,6 +105,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index e2c82917ef..550ff33140 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
 static const char *client_identity_property_name = "smurf_name";
@@ -226,7 +226,7 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index 8bcc1b6ee0..863673a4e0 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/fixtures/proxy.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
@@ -120,6 +120,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 511c8b1a46..87533a9b7f 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -35,22 +35,22 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/env.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -59,11 +59,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -77,17 +74,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -126,7 +115,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -161,6 +150,7 @@ int main(int argc, char **argv) {
 #endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
   grpc_exec_ctx_finish(&exec_ctx);
 
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index 6b4787b1e5..f28147cf40 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -150,6 +139,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 3ae8e96683..302b16b372 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -150,6 +139,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_ssl+poll.c b/test/core/end2end/fixtures/h2_ssl+poll.c
deleted file mode 100644
index 614654ed52..0000000000
--- a/test/core/end2end/fixtures/h2_ssl+poll.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
-#include "test/core/end2end/data/ssl_test_data.h"
-
-typedef struct fullstack_secure_fixture_data {
-  char *localaddr;
-} fullstack_secure_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_secure_fixture_data *ffd =
-      gpr_malloc(sizeof(fullstack_secure_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-static void process_auth_failure(void *state, grpc_auth_context *ctx,
-                                 const grpc_metadata *md, size_t md_count,
-                                 grpc_process_auth_metadata_done_cb cb,
-                                 void *user_data) {
-  GPR_ASSERT(state == NULL);
-  cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
-}
-
-static void chttp2_init_client_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
-    grpc_channel_credentials *creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  f->client =
-      grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
-  GPR_ASSERT(f->client != NULL);
-  grpc_channel_credentials_release(creds);
-}
-
-static void chttp2_init_server_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args,
-    grpc_server_credentials *server_creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
-                                               server_creds));
-  grpc_server_credentials_release(server_creds);
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_channel_credentials *ssl_creds =
-      grpc_ssl_credentials_create(NULL, NULL, NULL);
-  grpc_arg ssl_name_override = {GRPC_ARG_STRING,
-                                GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
-                                {"foo.test.google.fr"}};
-  grpc_channel_args *new_client_args =
-      grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
-  chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);
-  grpc_channel_args_destroy(new_client_args);
-}
-
-static int fail_server_auth_check(grpc_channel_args *server_args) {
-  size_t i;
-  if (server_args == NULL) return 0;
-  for (i = 0; i < server_args->num_args; i++) {
-    if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
-        0) {
-      return 1;
-    }
-  }
-  return 0;
-}
-
-static void chttp2_init_server_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args) {
-  grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key,
-                                                  test_server1_cert};
-  grpc_server_credentials *ssl_creds =
-      grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL);
-  if (fail_server_auth_check(server_args)) {
-    grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL};
-    grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor);
-  }
-  chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
-}
-
-/* All test configurations */
-
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/simple_ssl_fullstack",
-     FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
-         FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS,
-     chttp2_create_fixture_secure_fullstack,
-     chttp2_init_client_simple_ssl_secure_fullstack,
-     chttp2_init_server_simple_ssl_secure_fullstack,
-     chttp2_tear_down_secure_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-  FILE *roots_file;
-  size_t roots_size = strlen(test_root_cert);
-  char *roots_filename;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-
-  /* Set the SSL roots env var. */
-  roots_file = gpr_tmpfile("chttp2_simple_ssl_with_poll_fullstack_test",
-                           &roots_filename);
-  GPR_ASSERT(roots_filename != NULL);
-  GPR_ASSERT(roots_file != NULL);
-  GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size);
-  fclose(roots_file);
-  gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename);
-
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  /* Cleanup. */
-  remove(roots_filename);
-  gpr_free(roots_filename);
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index 5c63dfb6aa..69f7616074 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -36,17 +36,18 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   char *localaddr;
@@ -164,6 +165,7 @@ int main(int argc, char **argv) {
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index a93bd83a1f..1403b760f5 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -36,18 +36,19 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/end2end/fixtures/proxy.h"
-#include "test/core/util/test_config.h"
 #include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   grpc_end2end_proxy *proxy;
@@ -194,6 +195,7 @@ int main(int argc, char **argv) {
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_uchannel.c b/test/core/end2end/fixtures/h2_uchannel.c
deleted file mode 100644
index dbdd3524ed..0000000000
--- a/test/core/end2end/fixtures/h2_uchannel.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/client_uchannel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct {
-  grpc_connector base;
-  gpr_refcount refs;
-
-  grpc_closure *notify;
-  grpc_connect_in_args args;
-  grpc_connect_out_args *result;
-
-  grpc_endpoint *tcp;
-
-  grpc_closure connected;
-} connector;
-
-static void connector_ref(grpc_connector *con) {
-  connector *c = (connector *)con;
-  gpr_ref(&c->refs);
-}
-
-static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) {
-  connector *c = (connector *)con;
-  if (gpr_unref(&c->refs)) {
-    gpr_free(c);
-  }
-}
-
-static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  connector *c = arg;
-  grpc_closure *notify;
-  grpc_endpoint *tcp = c->tcp;
-  if (tcp != NULL) {
-    c->result->transport =
-        grpc_create_chttp2_transport(exec_ctx, c->args.channel_args, tcp, 1);
-    grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL,
-                                        0);
-    GPR_ASSERT(c->result->transport);
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *));
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->num_filters = 1;
-  } else {
-    memset(c->result, 0, sizeof(*c->result));
-  }
-  notify = c->notify;
-  c->notify = NULL;
-  notify->cb(exec_ctx, notify->cb_arg, 1);
-}
-
-static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) {}
-
-static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con,
-                              const grpc_connect_in_args *args,
-                              grpc_connect_out_args *result,
-                              grpc_closure *notify) {
-  connector *c = (connector *)con;
-  GPR_ASSERT(c->notify == NULL);
-  GPR_ASSERT(notify->cb);
-  c->notify = notify;
-  c->args = *args;
-  c->result = result;
-  c->tcp = NULL;
-  grpc_closure_init(&c->connected, connected, c);
-  grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp,
-                          args->interested_parties, args->addr, args->addr_len,
-                          args->deadline);
-}
-
-static const grpc_connector_vtable connector_vtable = {
-    connector_ref, connector_unref, connector_shutdown, connector_connect};
-
-typedef struct {
-  grpc_subchannel_factory base;
-  gpr_refcount refs;
-  grpc_channel_args *merge_args;
-  grpc_channel *master;
-  grpc_subchannel **sniffed_subchannel;
-} subchannel_factory;
-
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  gpr_ref(&f->refs);
-}
-
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
-    grpc_channel_args_destroy(f->merge_args);
-    gpr_free(f);
-  }
-}
-
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
-    grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  connector *c = gpr_malloc(sizeof(*c));
-  grpc_channel_args *final_args =
-      grpc_channel_args_merge(args->args, f->merge_args);
-  grpc_subchannel *s;
-  memset(c, 0, sizeof(*c));
-  c->base.vtable = &connector_vtable;
-  gpr_ref_init(&c->refs, 1);
-  args->args = final_args;
-  s = grpc_subchannel_create(exec_ctx, &c->base, args);
-  grpc_connector_unref(exec_ctx, &c->base);
-  grpc_channel_args_destroy(final_args);
-  if (*f->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(exec_ctx, *f->sniffed_subchannel, "sniffed");
-  }
-  *f->sniffed_subchannel = s;
-  GRPC_SUBCHANNEL_REF(s, "sniffed");
-  return s;
-}
-
-static const grpc_subchannel_factory_vtable test_subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
-
-/* The evil twin of grpc_insecure_channel_create. It allows the test to use the
- * custom-built sniffing subchannel_factory */
-grpc_channel *channel_create(const char *target, const grpc_channel_args *args,
-                             grpc_subchannel **sniffed_subchannel) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 1
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_resolver *resolver;
-  subchannel_factory *f;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
-
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, n, args, 1);
-
-  f = gpr_malloc(sizeof(*f));
-  f->sniffed_subchannel = sniffed_subchannel;
-  f->base.vtable = &test_subchannel_factory_vtable;
-  gpr_ref_init(&f->refs, 1);
-  f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "test_subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    return NULL;
-  }
-
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return channel;
-}
-
-typedef struct micro_fullstack_fixture_data {
-  char *localaddr;
-  grpc_channel *master_channel;
-  grpc_subchannel *sniffed_subchannel;
-} micro_fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_micro_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  micro_fullstack_fixture_data *ffd =
-      gpr_malloc(sizeof(micro_fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-  memset(ffd, 0, sizeof(*ffd));
-
-  gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-grpc_connectivity_state g_state = GRPC_CHANNEL_IDLE;
-grpc_pollset_set g_interested_parties;
-
-static void state_changed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  if (g_state != GRPC_CHANNEL_READY) {
-    grpc_subchannel_notify_on_state_change(
-        exec_ctx, arg, &g_interested_parties, &g_state,
-        grpc_closure_create(state_changed, arg));
-  }
-}
-
-static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  grpc_pollset_destroy(arg);
-}
-
-static grpc_connected_subchannel *connect_subchannel(grpc_subchannel *c) {
-  grpc_pollset pollset;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_pollset_init(&pollset);
-  grpc_pollset_set_init(&g_interested_parties);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_interested_parties, &pollset);
-  grpc_subchannel_notify_on_state_change(&exec_ctx, c, &g_interested_parties,
-                                         &g_state,
-                                         grpc_closure_create(state_changed, c));
-  grpc_exec_ctx_flush(&exec_ctx);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pollset));
-  while (g_state != GRPC_CHANNEL_READY) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&pollset));
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&pollset));
-  }
-  grpc_pollset_shutdown(&exec_ctx, &pollset,
-                        grpc_closure_create(destroy_pollset, &pollset));
-  grpc_pollset_set_destroy(&g_interested_parties);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pollset));
-  grpc_exec_ctx_finish(&exec_ctx);
-  return grpc_subchannel_get_connected_subchannel(c);
-}
-
-static void chttp2_init_client_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *client_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_connectivity_state conn_state;
-  grpc_connected_subchannel *connected;
-  char *ipv4_localaddr;
-
-  gpr_asprintf(&ipv4_localaddr, "ipv4:%s", ffd->localaddr);
-  ffd->master_channel =
-      channel_create(ipv4_localaddr, client_args, &ffd->sniffed_subchannel);
-  gpr_free(ipv4_localaddr);
-  gpr_log(GPR_INFO, "MASTER CHANNEL %p ", ffd->master_channel);
-  /* the following will block. That's ok for this test */
-  conn_state = grpc_channel_check_connectivity_state(ffd->master_channel,
-                                                     1 /* try to connect */);
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-
-  /* here sniffed_subchannel should be ready to use */
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-  GPR_ASSERT(ffd->sniffed_subchannel != NULL);
-
-  connected = connect_subchannel(ffd->sniffed_subchannel);
-  f->client = grpc_client_uchannel_create(ffd->sniffed_subchannel, client_args);
-  grpc_client_uchannel_set_connected_subchannel(f->client, connected);
-  gpr_log(GPR_INFO, "CHANNEL WRAPPING SUBCHANNEL: %p(%p)", f->client,
-          ffd->sniffed_subchannel);
-
-  GPR_ASSERT(f->client);
-}
-
-static void chttp2_init_server_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *server_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-static void chttp2_tear_down_micro_fullstack(grpc_end2end_test_fixture *f) {
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_channel_destroy(ffd->master_channel);
-  if (ffd->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(&exec_ctx, ffd->sniffed_subchannel, "sniffed");
-  }
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-  grpc_exec_ctx_finish(&exec_ctx);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/micro_fullstack", 0, chttp2_create_fixture_micro_fullstack,
-     chttp2_init_client_micro_fullstack, chttp2_init_server_micro_fullstack,
-     chttp2_tear_down_micro_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds+poll.c b/test/core/end2end/fixtures/h2_uds+poll.c
deleted file mode 100644
index 155017c887..0000000000
--- a/test/core/end2end/fixtures/h2_uds+poll.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static int unique = 1;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_asprintf(&ffd->localaddr, "unix:/tmp/grpc_fullstack_test.%d.%d", getpid(),
-               unique++);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack_uds", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index 30928270e5..cffbeaf045 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -37,13 +37,6 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -51,6 +44,13 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -110,6 +110,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 434e75dd15..a6487a17ac 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c
@@ -338,10 +338,10 @@ static void on_new_call(void *arg, int success) {
         proxy->new_call_details.deadline, NULL);
     gpr_ref_init(&pc->refs, 1);
 
-    op.flags = 0;
     op.reserved = NULL;
 
     op.op = GRPC_OP_RECV_INITIAL_METADATA;
+    op.flags = 0;
     op.data.recv_initial_metadata = &pc->p2s_initial_metadata;
     refpc(pc, "on_p2s_recv_initial_metadata");
     err = grpc_call_start_batch(
@@ -349,6 +349,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_SEND_INITIAL_METADATA;
+    op.flags = proxy->new_call_details.flags;
     op.data.send_initial_metadata.count = pc->c2p_initial_metadata.count;
     op.data.send_initial_metadata.metadata = pc->c2p_initial_metadata.metadata;
     refpc(pc, "on_p2s_sent_initial_metadata");
@@ -357,6 +358,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->c2p_msg;
     refpc(pc, "on_c2p_recv_msg");
     err = grpc_call_start_batch(pc->c2p, &op, 1,
@@ -364,6 +366,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->p2s_msg;
     refpc(pc, "on_p2s_recv_msg");
     err = grpc_call_start_batch(pc->p2s, &op, 1,
@@ -371,6 +374,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+    op.flags = 0;
     op.data.recv_status_on_client.trailing_metadata =
         &pc->p2s_trailing_metadata;
     op.data.recv_status_on_client.status = &pc->p2s_status;
@@ -383,6 +387,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+    op.flags = 0;
     op.data.recv_close_on_server.cancelled = &pc->c2p_server_cancelled;
     refpc(pc, "on_c2p_closed");
     err = grpc_call_start_batch(pc->c2p, &op, 1, new_closure(on_c2p_closed, pc),
diff --git a/test/core/end2end/fuzzers/client_fuzzer.c b/test/core/end2end/fuzzers/client_fuzzer.c
new file mode 100644
index 0000000000..afcf7638f7
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer.c
@@ -0,0 +1,160 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/channel.h"
+#include "test/core/util/memory_counters.h"
+#include "test/core/util/mock_endpoint.h"
+
+static const bool squelch = true;
+
+static void discard_write(gpr_slice slice) {}
+
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  struct grpc_memory_counters counters;
+  if (squelch) gpr_set_log_function(dont_log);
+  grpc_memory_counters_init();
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
+
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 1);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_channel *channel = grpc_channel_create(
+      &exec_ctx, "test-target", NULL, GRPC_CLIENT_DIRECT_CHANNEL, transport);
+  grpc_call *call =
+      grpc_channel_create_call(channel, NULL, 0, cq, "/foo", "localhost",
+                               gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_byte_buffer *response_payload_recv = NULL;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  grpc_op ops[6];
+  grpc_op *op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  grpc_call_error error =
+      grpc_call_start_batch(call, ops, (size_t)(op - ops), tag(1), NULL);
+  int requested_calls = 1;
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      gpr_slice_from_copied_buffer((const char *)data, size));
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        requested_calls--;
+        break;
+    }
+  }
+
+done:
+  if (requested_calls) {
+    grpc_call_cancel(call, NULL);
+  }
+  for (int i = 0; i < requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i < requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_call_destroy(call);
+  grpc_completion_queue_destroy(cq);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  gpr_free(details);
+  grpc_channel_destroy(channel);
+  if (response_payload_recv != NULL) {
+    grpc_byte_buffer_destroy(response_payload_recv);
+  }
+  grpc_shutdown();
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded b/test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded
new file mode 100644
index 0000000000..59e6cdaf99
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/01b05a9eaa95950f697627264bbd5006060f68e5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/01b05a9eaa95950f697627264bbd5006060f68e5
new file mode 100644
index 0000000000..df36339902
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/01b05a9eaa95950f697627264bbd5006060f68e5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088 b/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088
new file mode 100644
index 0000000000..dea2ff88a0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088
@@ -0,0 +1 @@
+!‘!‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78 b/test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78
new file mode 100644
index 0000000000..bd442b3bee
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/02ba99615d1d69eb328adce99670f659959c1bc1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/02ba99615d1d69eb328adce99670f659959c1bc1
new file mode 100644
index 0000000000..6eae44de51
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/02ba99615d1d69eb328adce99670f659959c1bc1
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/03abf728ac1d833c2d4a9ff7e0c912b949edc04c b/test/core/end2end/fuzzers/client_fuzzer_corpus/03abf728ac1d833c2d4a9ff7e0c912b949edc04c
new file mode 100644
index 0000000000..b5be432c30
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/03abf728ac1d833c2d4a9ff7e0c912b949edc04c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/07048654244e377ddf246e8cc18f71443035cd2b b/test/core/end2end/fuzzers/client_fuzzer_corpus/07048654244e377ddf246e8cc18f71443035cd2b
new file mode 100644
index 0000000000..142efb75d8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/07048654244e377ddf246e8cc18f71443035cd2b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/078232947d7ff25557e836b4e9e907214e99b320 b/test/core/end2end/fuzzers/client_fuzzer_corpus/078232947d7ff25557e836b4e9e907214e99b320
new file mode 100644
index 0000000000..7c9c947285
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/078232947d7ff25557e836b4e9e907214e99b320
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0949f4ac376808482be6ab2dcb18a2ecb08d9a52 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0949f4ac376808482be6ab2dcb18a2ecb08d9a52
new file mode 100644
index 0000000000..7de936ae9f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0949f4ac376808482be6ab2dcb18a2ecb08d9a52
@@ -0,0 +1 @@
+!‘N
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0c30868720d5e1a19ff23c53740749c37a43540d b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c30868720d5e1a19ff23c53740749c37a43540d
new file mode 100644
index 0000000000..e5a32af6fe
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c30868720d5e1a19ff23c53740749c37a43540d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0c5e0660ddf5f14af8f3fbcc754a967506994c9b b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c5e0660ddf5f14af8f3fbcc754a967506994c9b
new file mode 100644
index 0000000000..8ed6c6aea2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c5e0660ddf5f14af8f3fbcc754a967506994c9b
@@ -0,0 +1 @@
+©¡‘N
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0d36da88698737ec1ca7b55b30fe2b2036de7e19 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d36da88698737ec1ca7b55b30fe2b2036de7e19
new file mode 100644
index 0000000000..d937ccc471
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d36da88698737ec1ca7b55b30fe2b2036de7e19
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0d8c547f1d261ba07c2648bae009636c17709600 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d8c547f1d261ba07c2648bae009636c17709600
new file mode 100644
index 0000000000..07d6767502
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d8c547f1d261ba07c2648bae009636c17709600
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0dd33527db106a3e84172e8f2189734b00ced4ed b/test/core/end2end/fuzzers/client_fuzzer_corpus/0dd33527db106a3e84172e8f2189734b00ced4ed
new file mode 100644
index 0000000000..dabf567708
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0dd33527db106a3e84172e8f2189734b00ced4ed
@@ -0,0 +1 @@
+!mm
!N!mm
N•‘‘!‘m!‘NN'‘)‘‘•‘!‘m!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0e354d89d02c6c5cbba2f140dab7b609bf00793e b/test/core/end2end/fuzzers/client_fuzzer_corpus/0e354d89d02c6c5cbba2f140dab7b609bf00793e
new file mode 100644
index 0000000000..66c69cdf21
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0e354d89d02c6c5cbba2f140dab7b609bf00793e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0fd8859246740606c498755ab00d6147abcfec00 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0fd8859246740606c498755ab00d6147abcfec00
new file mode 100644
index 0000000000..88c3f427d1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0fd8859246740606c498755ab00d6147abcfec00
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/101305ccd08c7a8bd0c2913c37d3dd0d39d4bb64 b/test/core/end2end/fuzzers/client_fuzzer_corpus/101305ccd08c7a8bd0c2913c37d3dd0d39d4bb64
new file mode 100644
index 0000000000..b6e8b42b31
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/101305ccd08c7a8bd0c2913c37d3dd0d39d4bb64
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1160214cdb23e8fc187078a8d6796656c1ade925 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1160214cdb23e8fc187078a8d6796656c1ade925
new file mode 100644
index 0000000000..cad5f5a378
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1160214cdb23e8fc187078a8d6796656c1ade925
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1402bbcac6fa24eeb0475250e33f704096e2fb45 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1402bbcac6fa24eeb0475250e33f704096e2fb45
new file mode 100644
index 0000000000..9faa567b53
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1402bbcac6fa24eeb0475250e33f704096e2fb45
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1602788cf33d0354d6d48ead549e5137cd211979 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1602788cf33d0354d6d48ead549e5137cd211979
new file mode 100644
index 0000000000..57871eb0ef
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1602788cf33d0354d6d48ead549e5137cd211979
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/17b1758fc7cd69a00d140f113b1ac894023ff20b b/test/core/end2end/fuzzers/client_fuzzer_corpus/17b1758fc7cd69a00d140f113b1ac894023ff20b
new file mode 100644
index 0000000000..e9781cd249
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/17b1758fc7cd69a00d140f113b1ac894023ff20b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/18185cbf9e9cfc1fd28d27ed0d651d7cee6a2c06 b/test/core/end2end/fuzzers/client_fuzzer_corpus/18185cbf9e9cfc1fd28d27ed0d651d7cee6a2c06
new file mode 100644
index 0000000000..8471523ff5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/18185cbf9e9cfc1fd28d27ed0d651d7cee6a2c06
@@ -0,0 +1,2 @@
+!mm
!N!mmÿ
!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘•‘!‘Nm!N‘NNNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/18850965807039500c7f5450a907e86825cf823d b/test/core/end2end/fuzzers/client_fuzzer_corpus/18850965807039500c7f5450a907e86825cf823d
new file mode 100644
index 0000000000..3be28b34f0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/18850965807039500c7f5450a907e86825cf823d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/18926cdc608599e8df6b0f4df99d4ad856ef4373 b/test/core/end2end/fuzzers/client_fuzzer_corpus/18926cdc608599e8df6b0f4df99d4ad856ef4373
new file mode 100644
index 0000000000..25b94ad40a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/18926cdc608599e8df6b0f4df99d4ad856ef4373
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/19e984af62c36fe982284c87421d8ee46173e9f0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/19e984af62c36fe982284c87421d8ee46173e9f0
new file mode 100644
index 0000000000..b3e88e0d1d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/19e984af62c36fe982284c87421d8ee46173e9f0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1aee32faadffa3c2ec508e8fd30006423665488f b/test/core/end2end/fuzzers/client_fuzzer_corpus/1aee32faadffa3c2ec508e8fd30006423665488f
new file mode 100644
index 0000000000..a70fff3f3c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1aee32faadffa3c2ec508e8fd30006423665488f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1c222dae4e2cde1fca9f9bf6226200f70d625342 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1c222dae4e2cde1fca9f9bf6226200f70d625342
new file mode 100644
index 0000000000..be79f96685
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1c222dae4e2cde1fca9f9bf6226200f70d625342
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1ca51ab2fefef4f549c4a8e7f4910c6b5a4b4b1d b/test/core/end2end/fuzzers/client_fuzzer_corpus/1ca51ab2fefef4f549c4a8e7f4910c6b5a4b4b1d
new file mode 100644
index 0000000000..5763104d46
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1ca51ab2fefef4f549c4a8e7f4910c6b5a4b4b1d
@@ -0,0 +1 @@
+!më
¢!ÿÿÿÿÿÿÿ…
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1cbcaad71950c62d41bab50f9c242d014cc0d904 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1cbcaad71950c62d41bab50f9c242d014cc0d904
new file mode 100644
index 0000000000..e56a789a6c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1cbcaad71950c62d41bab50f9c242d014cc0d904
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1d19042e6db2a90c52fcc3cb0aa76f2fd335014e b/test/core/end2end/fuzzers/client_fuzzer_corpus/1d19042e6db2a90c52fcc3cb0aa76f2fd335014e
new file mode 100644
index 0000000000..61bd026beb
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1d19042e6db2a90c52fcc3cb0aa76f2fd335014e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1dc86d0febe4adc5353230cea24b5f7cce829283 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1dc86d0febe4adc5353230cea24b5f7cce829283
new file mode 100644
index 0000000000..3ea63ffd5f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1dc86d0febe4adc5353230cea24b5f7cce829283
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1f040e756f76357979f317e0c6541f72fd93df06 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1f040e756f76357979f317e0c6541f72fd93df06
new file mode 100644
index 0000000000..0a2a1b3953
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1f040e756f76357979f317e0c6541f72fd93df06
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1fe7d16ffc2084d5d3c5f23d16902ae8810a5393 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1fe7d16ffc2084d5d3c5f23d16902ae8810a5393
new file mode 100644
index 0000000000..f57b0dd373
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1fe7d16ffc2084d5d3c5f23d16902ae8810a5393
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/20216d27af2b3dcc83d944e5f7a489ed2eff98fd b/test/core/end2end/fuzzers/client_fuzzer_corpus/20216d27af2b3dcc83d944e5f7a489ed2eff98fd
new file mode 100644
index 0000000000..f79cdf251c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/20216d27af2b3dcc83d944e5f7a489ed2eff98fd
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/20539e464ced1a0a63d74bae731ca0a75db05967 b/test/core/end2end/fuzzers/client_fuzzer_corpus/20539e464ced1a0a63d74bae731ca0a75db05967
new file mode 100644
index 0000000000..c3a9708a81
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/20539e464ced1a0a63d74bae731ca0a75db05967
@@ -0,0 +1 @@
+!mm	‘•N!‘‘NÿN'‘)‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/205cf2b6994f10b783aa0a06938a5e47cb581126 b/test/core/end2end/fuzzers/client_fuzzer_corpus/205cf2b6994f10b783aa0a06938a5e47cb581126
new file mode 100644
index 0000000000..eafa9e1b85
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/205cf2b6994f10b783aa0a06938a5e47cb581126
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/207e12d6a84dc8fa020b3a60b3f75932ca4f8fa5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/207e12d6a84dc8fa020b3a60b3f75932ca4f8fa5
new file mode 100644
index 0000000000..1bbeccf8e5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/207e12d6a84dc8fa020b3a60b3f75932ca4f8fa5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/20ea73876cc9cd5b3d3efa1bda21deb5eac2d61e b/test/core/end2end/fuzzers/client_fuzzer_corpus/20ea73876cc9cd5b3d3efa1bda21deb5eac2d61e
new file mode 100644
index 0000000000..9d59b1979f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/20ea73876cc9cd5b3d3efa1bda21deb5eac2d61e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2166c7093c424a2136c4cb8b10d0b124047320d4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2166c7093c424a2136c4cb8b10d0b124047320d4
new file mode 100644
index 0000000000..96ca5f7221
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2166c7093c424a2136c4cb8b10d0b124047320d4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/21a6a133f3d1e06c077032ba56a7df4161f62efe b/test/core/end2end/fuzzers/client_fuzzer_corpus/21a6a133f3d1e06c077032ba56a7df4161f62efe
new file mode 100644
index 0000000000..e40f8e9ba1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/21a6a133f3d1e06c077032ba56a7df4161f62efe
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/230527b90b0179139c961aca426187893191fdf2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/230527b90b0179139c961aca426187893191fdf2
new file mode 100644
index 0000000000..ed08b10e94
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/230527b90b0179139c961aca426187893191fdf2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2467fa0f8a9f4bd121f544892f0782498b2df533 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2467fa0f8a9f4bd121f544892f0782498b2df533
new file mode 100644
index 0000000000..0ee6efab9d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2467fa0f8a9f4bd121f544892f0782498b2df533
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/246dcf347eba7f4d4e04d97dabc002f0acf2164e b/test/core/end2end/fuzzers/client_fuzzer_corpus/246dcf347eba7f4d4e04d97dabc002f0acf2164e
new file mode 100644
index 0000000000..eb0195382b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/246dcf347eba7f4d4e04d97dabc002f0acf2164e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/25761748660a64111a8daa46f72ea1f336c2046a b/test/core/end2end/fuzzers/client_fuzzer_corpus/25761748660a64111a8daa46f72ea1f336c2046a
new file mode 100644
index 0000000000..601df6fc56
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/25761748660a64111a8daa46f72ea1f336c2046a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/25949b623930511f9d43fea4aa56a4389a28e11a b/test/core/end2end/fuzzers/client_fuzzer_corpus/25949b623930511f9d43fea4aa56a4389a28e11a
new file mode 100644
index 0000000000..012afabb33
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/25949b623930511f9d43fea4aa56a4389a28e11a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/26b8a9d27cef1ce4c3c5aefa2dee50001aab4b13 b/test/core/end2end/fuzzers/client_fuzzer_corpus/26b8a9d27cef1ce4c3c5aefa2dee50001aab4b13
new file mode 100644
index 0000000000..6b4108b4c5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/26b8a9d27cef1ce4c3c5aefa2dee50001aab4b13
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/28ee8cae75efa07da9649933a9482d00643b5395 b/test/core/end2end/fuzzers/client_fuzzer_corpus/28ee8cae75efa07da9649933a9482d00643b5395
new file mode 100644
index 0000000000..66a1990467
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/28ee8cae75efa07da9649933a9482d00643b5395
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/29952a15459cce9c647255ab5d7486df0507eff4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/29952a15459cce9c647255ab5d7486df0507eff4
new file mode 100644
index 0000000000..5a8c024c5d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/29952a15459cce9c647255ab5d7486df0507eff4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/29be7d33920998bae7329d77d4c81989eae91647 b/test/core/end2end/fuzzers/client_fuzzer_corpus/29be7d33920998bae7329d77d4c81989eae91647
new file mode 100644
index 0000000000..73ca084609
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/29be7d33920998bae7329d77d4c81989eae91647
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2a8260b23460f90f770cedcafa14868d24db201e b/test/core/end2end/fuzzers/client_fuzzer_corpus/2a8260b23460f90f770cedcafa14868d24db201e
new file mode 100644
index 0000000000..555d059a46
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2a8260b23460f90f770cedcafa14868d24db201e
@@ -0,0 +1,2 @@
+!mm
!N!mm
!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘•‘!‘Nm!N‘NNNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2b71439e9ebf611a92386b9f21ad44bde7926184 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2b71439e9ebf611a92386b9f21ad44bde7926184
new file mode 100644
index 0000000000..f2e5d1d870
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2b71439e9ebf611a92386b9f21ad44bde7926184
@@ -0,0 +1,2 @@
+!mm
!N1mm
!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!‘‘‘N'N‘•‘!‘mNN!‘NNN‘NNN'Ñ)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2c342f8715556398d49bcf3343b5a249d968e19e b/test/core/end2end/fuzzers/client_fuzzer_corpus/2c342f8715556398d49bcf3343b5a249d968e19e
new file mode 100644
index 0000000000..5514236bdb
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2c342f8715556398d49bcf3343b5a249d968e19e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2c79128c697b53256c56b9c57c7259866e0e2347 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2c79128c697b53256c56b9c57c7259866e0e2347
new file mode 100644
index 0000000000..c0fc6ebc9f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2c79128c697b53256c56b9c57c7259866e0e2347
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2d83097b3cbd2245b085e749fe923fb590790e0c b/test/core/end2end/fuzzers/client_fuzzer_corpus/2d83097b3cbd2245b085e749fe923fb590790e0c
new file mode 100644
index 0000000000..060316e822
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2d83097b3cbd2245b085e749fe923fb590790e0c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2deb1aeb93c2abca4177b1fe886eb354c83fe8af b/test/core/end2end/fuzzers/client_fuzzer_corpus/2deb1aeb93c2abca4177b1fe886eb354c83fe8af
new file mode 100644
index 0000000000..138d1c648e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2deb1aeb93c2abca4177b1fe886eb354c83fe8af
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2e9860242d55a74cec244bb5c5445eb2797a3157 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2e9860242d55a74cec244bb5c5445eb2797a3157
new file mode 100644
index 0000000000..d6c36d0414
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2e9860242d55a74cec244bb5c5445eb2797a3157
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2f288409c5f3cf2a10b3e1970a9c3d037dabe080 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2f288409c5f3cf2a10b3e1970a9c3d037dabe080
new file mode 100644
index 0000000000..483cfb030f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2f288409c5f3cf2a10b3e1970a9c3d037dabe080
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2f5f6d281a3d0473a04a17cbcbc6fd06cb73fd8b b/test/core/end2end/fuzzers/client_fuzzer_corpus/2f5f6d281a3d0473a04a17cbcbc6fd06cb73fd8b
new file mode 100644
index 0000000000..bb39004a59
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2f5f6d281a3d0473a04a17cbcbc6fd06cb73fd8b
@@ -0,0 +1,2 @@
+!mm
!N!mmÿÿ
!m)m!‘‘N!‘±Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘)•‘!‘Nm!N‘NJNN‘NNN–'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/301e10bb6d9f60d91efde4e0c48893203a5b8b88 b/test/core/end2end/fuzzers/client_fuzzer_corpus/301e10bb6d9f60d91efde4e0c48893203a5b8b88
new file mode 100644
index 0000000000..348e748d5e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/301e10bb6d9f60d91efde4e0c48893203a5b8b88
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3128887b8e02f1873ed6b36766a870543269ea00 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3128887b8e02f1873ed6b36766a870543269ea00
new file mode 100644
index 0000000000..e87a1eb1c2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3128887b8e02f1873ed6b36766a870543269ea00
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/31545e9fe4c6aa43329dc0d4a735842574fcaaed b/test/core/end2end/fuzzers/client_fuzzer_corpus/31545e9fe4c6aa43329dc0d4a735842574fcaaed
new file mode 100644
index 0000000000..a505a18e01
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/31545e9fe4c6aa43329dc0d4a735842574fcaaed
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/31d12a2b1378120d15b4097371d792daa95de0a9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/31d12a2b1378120d15b4097371d792daa95de0a9
new file mode 100644
index 0000000000..df0ca433b8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/31d12a2b1378120d15b4097371d792daa95de0a9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/320dc10f64b59b0eb0ae140912eded1ef9276556 b/test/core/end2end/fuzzers/client_fuzzer_corpus/320dc10f64b59b0eb0ae140912eded1ef9276556
new file mode 100644
index 0000000000..e9fd16bc2e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/320dc10f64b59b0eb0ae140912eded1ef9276556
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3336748264594689041e4080b51bc56f716d0689 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3336748264594689041e4080b51bc56f716d0689
new file mode 100644
index 0000000000..d3eb5f7d7d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3336748264594689041e4080b51bc56f716d0689
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/333d0554d91872e693d118d6988132d95b7920ae b/test/core/end2end/fuzzers/client_fuzzer_corpus/333d0554d91872e693d118d6988132d95b7920ae
new file mode 100644
index 0000000000..ab9e141dd5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/333d0554d91872e693d118d6988132d95b7920ae
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/33c32a80db0ec311ee8744991c5b19345bfd8fe9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/33c32a80db0ec311ee8744991c5b19345bfd8fe9
new file mode 100644
index 0000000000..13620b8ea5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/33c32a80db0ec311ee8744991c5b19345bfd8fe9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/35fbd748458e3fd6068957d46a9fbb2b0113d2b3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/35fbd748458e3fd6068957d46a9fbb2b0113d2b3
new file mode 100644
index 0000000000..055866fcf3
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/35fbd748458e3fd6068957d46a9fbb2b0113d2b3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/361c6f4374443671f039fd9659577e4460178020 b/test/core/end2end/fuzzers/client_fuzzer_corpus/361c6f4374443671f039fd9659577e4460178020
new file mode 100644
index 0000000000..392bf572d8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/361c6f4374443671f039fd9659577e4460178020
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/370b2c16cc353621091eda4964d4c4329205ffc3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/370b2c16cc353621091eda4964d4c4329205ffc3
new file mode 100644
index 0000000000..78c435540a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/370b2c16cc353621091eda4964d4c4329205ffc3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/375c2462d6ae891222686f9519294811fa5de010 b/test/core/end2end/fuzzers/client_fuzzer_corpus/375c2462d6ae891222686f9519294811fa5de010
new file mode 100644
index 0000000000..ae1b3aff47
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/375c2462d6ae891222686f9519294811fa5de010
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/379b177d55b1eb86ddb66dc3a037fd8283ee07c0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/379b177d55b1eb86ddb66dc3a037fd8283ee07c0
new file mode 100644
index 0000000000..dcd7e6421d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/379b177d55b1eb86ddb66dc3a037fd8283ee07c0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3a01c85934363bd2067f76d0d40c491f9f846c8a b/test/core/end2end/fuzzers/client_fuzzer_corpus/3a01c85934363bd2067f76d0d40c491f9f846c8a
new file mode 100644
index 0000000000..a90b8c9770
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3a01c85934363bd2067f76d0d40c491f9f846c8a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3ae87e3150628c422ada13002b08f2d9c5a9d78e b/test/core/end2end/fuzzers/client_fuzzer_corpus/3ae87e3150628c422ada13002b08f2d9c5a9d78e
new file mode 100644
index 0000000000..41c0a26c2d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3ae87e3150628c422ada13002b08f2d9c5a9d78e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3afbc4c35885b79c6e6628afce93ce852d7767de b/test/core/end2end/fuzzers/client_fuzzer_corpus/3afbc4c35885b79c6e6628afce93ce852d7767de
new file mode 100644
index 0000000000..dc4fde72e3
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3afbc4c35885b79c6e6628afce93ce852d7767de
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3c7b516e302ad3503a933b5dcfb8c58acaea07a0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c7b516e302ad3503a933b5dcfb8c58acaea07a0
new file mode 100644
index 0000000000..201dc65dec
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c7b516e302ad3503a933b5dcfb8c58acaea07a0
@@ -0,0 +1,2 @@
+!mm

!mm
!N•‘‘‘m!‘NN'‘)*‘‘•‘‘!‘m!‘NNN‘N!m)m!‘‘N!‘‘Nð‘NN)‘NN'‘)‘‘N
+‘a‘‘N‘‘‘NNNNNNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3da7577acd806e1d92d48211b22fd9db352fd834 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3da7577acd806e1d92d48211b22fd9db352fd834
new file mode 100644
index 0000000000..07bc85e716
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3da7577acd806e1d92d48211b22fd9db352fd834
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3fcc2da89f438b247cb5b4b41e15aceccfa75b36 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3fcc2da89f438b247cb5b4b41e15aceccfa75b36
new file mode 100644
index 0000000000..3adb095f92
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3fcc2da89f438b247cb5b4b41e15aceccfa75b36
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4040224f3df361afe45bce682d56d26f13829413 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4040224f3df361afe45bce682d56d26f13829413
new file mode 100644
index 0000000000..19b2c4ef0f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4040224f3df361afe45bce682d56d26f13829413
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/41aad2f11a7ab418213352e84de872d9997db8d2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/41aad2f11a7ab418213352e84de872d9997db8d2
new file mode 100644
index 0000000000..5881707f14
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/41aad2f11a7ab418213352e84de872d9997db8d2
@@ -0,0 +1 @@
+!‘!!‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/42554ddbe59429d30d718282ca606ed8b5a90eb3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/42554ddbe59429d30d718282ca606ed8b5a90eb3
new file mode 100644
index 0000000000..467ae546f6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/42554ddbe59429d30d718282ca606ed8b5a90eb3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/43202ad9b1a689d919ab9ae91c2d0223394867bf b/test/core/end2end/fuzzers/client_fuzzer_corpus/43202ad9b1a689d919ab9ae91c2d0223394867bf
new file mode 100644
index 0000000000..bf0590c1d6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/43202ad9b1a689d919ab9ae91c2d0223394867bf
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/44d64196fb2e8d9506734a81304f6ef17b9bc29d b/test/core/end2end/fuzzers/client_fuzzer_corpus/44d64196fb2e8d9506734a81304f6ef17b9bc29d
new file mode 100644
index 0000000000..30cd52ce5f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/44d64196fb2e8d9506734a81304f6ef17b9bc29d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/44f0973ec77d6fb9eac931e84fa7ec6fdadccca6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/44f0973ec77d6fb9eac931e84fa7ec6fdadccca6
new file mode 100644
index 0000000000..0e7c5a0a59
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/44f0973ec77d6fb9eac931e84fa7ec6fdadccca6
@@ -0,0 +1,2 @@
+!mm
!N!mm
!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘•‘!‘mNNN!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/450f9f56c80c8b71e37302a254ba7c3f7298dfd7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/450f9f56c80c8b71e37302a254ba7c3f7298dfd7
new file mode 100644
index 0000000000..1902e24959
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/450f9f56c80c8b71e37302a254ba7c3f7298dfd7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/46dcb1c399e5a514267fbbd5a50939f34e0ad6be b/test/core/end2end/fuzzers/client_fuzzer_corpus/46dcb1c399e5a514267fbbd5a50939f34e0ad6be
new file mode 100644
index 0000000000..a67eac79f8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/46dcb1c399e5a514267fbbd5a50939f34e0ad6be
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/489e9830136adcc53f4b191199c33504685b3737 b/test/core/end2end/fuzzers/client_fuzzer_corpus/489e9830136adcc53f4b191199c33504685b3737
new file mode 100644
index 0000000000..e11ab1f9d8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/489e9830136adcc53f4b191199c33504685b3737
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4a4553c2e939cd50981bc38e8ddb1f2109ddb3a4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4a4553c2e939cd50981bc38e8ddb1f2109ddb3a4
new file mode 100644
index 0000000000..ba96c64691
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4a4553c2e939cd50981bc38e8ddb1f2109ddb3a4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4b585eb75ebca2187c0aa5a6abe4c8125aa80127 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4b585eb75ebca2187c0aa5a6abe4c8125aa80127
new file mode 100644
index 0000000000..13a67df57a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4b585eb75ebca2187c0aa5a6abe4c8125aa80127
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4e21c4b5c454df51c102f09ea1ba78c42133ee16 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4e21c4b5c454df51c102f09ea1ba78c42133ee16
new file mode 100644
index 0000000000..b5292de106
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4e21c4b5c454df51c102f09ea1ba78c42133ee16
@@ -0,0 +1 @@
+!mm
‘•N!‘‘NN'‘)‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4eaff3c3515a1ca019d46b9be0b7318eaffb63d1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4eaff3c3515a1ca019d46b9be0b7318eaffb63d1
new file mode 100644
index 0000000000..0b726ae62d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4eaff3c3515a1ca019d46b9be0b7318eaffb63d1
@@ -0,0 +1 @@
+!;m
‘•N‘'Nƒ‘!)‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4ec113a0126fc5746fa3f955727d009040e8377f b/test/core/end2end/fuzzers/client_fuzzer_corpus/4ec113a0126fc5746fa3f955727d009040e8377f
new file mode 100644
index 0000000000..30f730cfab
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4ec113a0126fc5746fa3f955727d009040e8377f
@@ -0,0 +1 @@
+!mm

R!‘N•‘‘!:‘m!‘NN'‘)‘‘‘‘NNNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/51c6c5297acebf9d21a8a7d6261d0a17c2adfb56 b/test/core/end2end/fuzzers/client_fuzzer_corpus/51c6c5297acebf9d21a8a7d6261d0a17c2adfb56
new file mode 100644
index 0000000000..efb8e23b36
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/51c6c5297acebf9d21a8a7d6261d0a17c2adfb56
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/52c00bde7f4af95a86deb0a6717d1faf2828a939 b/test/core/end2end/fuzzers/client_fuzzer_corpus/52c00bde7f4af95a86deb0a6717d1faf2828a939
new file mode 100644
index 0000000000..ae7f734c8a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/52c00bde7f4af95a86deb0a6717d1faf2828a939
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/534c900ade27c8f7fccb1f3b7e7703f77f13a8f5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/534c900ade27c8f7fccb1f3b7e7703f77f13a8f5
new file mode 100644
index 0000000000..2fc38ecadd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/534c900ade27c8f7fccb1f3b7e7703f77f13a8f5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5482dc4af170def9c183315efaa48f9c186926a1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/5482dc4af170def9c183315efaa48f9c186926a1
new file mode 100644
index 0000000000..f6b3c8cdc6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5482dc4af170def9c183315efaa48f9c186926a1
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/54e67ed1036f3f5b315e0e3c02948c30eba900fd b/test/core/end2end/fuzzers/client_fuzzer_corpus/54e67ed1036f3f5b315e0e3c02948c30eba900fd
new file mode 100644
index 0000000000..217591e8b6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/54e67ed1036f3f5b315e0e3c02948c30eba900fd
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/55ca8f6d9928c239a7abb32554463e6e1e1ee084 b/test/core/end2end/fuzzers/client_fuzzer_corpus/55ca8f6d9928c239a7abb32554463e6e1e1ee084
new file mode 100644
index 0000000000..037a1a7af0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/55ca8f6d9928c239a7abb32554463e6e1e1ee084
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/570ca8d2555dde94aa3b3121e8f5256e83eabe5e b/test/core/end2end/fuzzers/client_fuzzer_corpus/570ca8d2555dde94aa3b3121e8f5256e83eabe5e
new file mode 100644
index 0000000000..3ebb587be1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/570ca8d2555dde94aa3b3121e8f5256e83eabe5e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/57ee6efc38f4c544a3ea3e5e73987e825bdf2980 b/test/core/end2end/fuzzers/client_fuzzer_corpus/57ee6efc38f4c544a3ea3e5e73987e825bdf2980
new file mode 100644
index 0000000000..44854ee462
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/57ee6efc38f4c544a3ea3e5e73987e825bdf2980
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/58a067ec6eda7191a5a910d8120633271d3af074 b/test/core/end2end/fuzzers/client_fuzzer_corpus/58a067ec6eda7191a5a910d8120633271d3af074
new file mode 100644
index 0000000000..307416c457
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/58a067ec6eda7191a5a910d8120633271d3af074
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/591ef436ef8cc982b48fd827a4555b57cd9780e5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/591ef436ef8cc982b48fd827a4555b57cd9780e5
new file mode 100644
index 0000000000..a54bd66270
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/591ef436ef8cc982b48fd827a4555b57cd9780e5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5a2447fdfdbf123f4592c1284007b7d50a01750b b/test/core/end2end/fuzzers/client_fuzzer_corpus/5a2447fdfdbf123f4592c1284007b7d50a01750b
new file mode 100644
index 0000000000..2089c4997a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5a2447fdfdbf123f4592c1284007b7d50a01750b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5ca233a53e3e425cc12e04b466a49789291eaa00 b/test/core/end2end/fuzzers/client_fuzzer_corpus/5ca233a53e3e425cc12e04b466a49789291eaa00
new file mode 100644
index 0000000000..2040605977
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5ca233a53e3e425cc12e04b466a49789291eaa00
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5dc7b2086a39f56d8b9135f524d34a01fcabafd8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/5dc7b2086a39f56d8b9135f524d34a01fcabafd8
new file mode 100644
index 0000000000..ba7eec5204
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5dc7b2086a39f56d8b9135f524d34a01fcabafd8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5e1659e7cd840ab3f958273ebffdd215f2c81da6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/5e1659e7cd840ab3f958273ebffdd215f2c81da6
new file mode 100644
index 0000000000..3130ede2a0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5e1659e7cd840ab3f958273ebffdd215f2c81da6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/605e474e9d9436488dfe084d348908e4dfab81a3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/605e474e9d9436488dfe084d348908e4dfab81a3
new file mode 100644
index 0000000000..d561e8682e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/605e474e9d9436488dfe084d348908e4dfab81a3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/6066fc9e28b4ce704230f0e8cf21e7c3195aa2a3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/6066fc9e28b4ce704230f0e8cf21e7c3195aa2a3
new file mode 100644
index 0000000000..2e6228256b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/6066fc9e28b4ce704230f0e8cf21e7c3195aa2a3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/607dac8012f188cb035b189fc3637028137023e0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/607dac8012f188cb035b189fc3637028137023e0
new file mode 100644
index 0000000000..993f096a36
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/607dac8012f188cb035b189fc3637028137023e0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/611343a6b8879b393ba2f38ed41c7f5355355920 b/test/core/end2end/fuzzers/client_fuzzer_corpus/611343a6b8879b393ba2f38ed41c7f5355355920
new file mode 100644
index 0000000000..3c9af3d9fd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/611343a6b8879b393ba2f38ed41c7f5355355920
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/62c843359941660da3fc9eea62a5732aaa3be283 b/test/core/end2end/fuzzers/client_fuzzer_corpus/62c843359941660da3fc9eea62a5732aaa3be283
new file mode 100644
index 0000000000..e0f5eee758
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/62c843359941660da3fc9eea62a5732aaa3be283
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/64696e93ead18265cdac3fb37dae29ad3be6d764 b/test/core/end2end/fuzzers/client_fuzzer_corpus/64696e93ead18265cdac3fb37dae29ad3be6d764
new file mode 100644
index 0000000000..e29a92806b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/64696e93ead18265cdac3fb37dae29ad3be6d764
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/64cad305e1858eae27cd723778fb9f4b7052eaa5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/64cad305e1858eae27cd723778fb9f4b7052eaa5
new file mode 100644
index 0000000000..b062f22056
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/64cad305e1858eae27cd723778fb9f4b7052eaa5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/64d27dc9f984c49d421a5b0cb0391992d5aac1a4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/64d27dc9f984c49d421a5b0cb0391992d5aac1a4
new file mode 100644
index 0000000000..f57336ba2e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/64d27dc9f984c49d421a5b0cb0391992d5aac1a4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/653ec14661c40ea25bdbab4a7cb9371c669d10d9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/653ec14661c40ea25bdbab4a7cb9371c669d10d9
new file mode 100644
index 0000000000..1f963c26d1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/653ec14661c40ea25bdbab4a7cb9371c669d10d9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/66145518601b1405361df12570f6e0b2b9a2e5b3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/66145518601b1405361df12570f6e0b2b9a2e5b3
new file mode 100644
index 0000000000..cd97aa7762
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/66145518601b1405361df12570f6e0b2b9a2e5b3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/685fbddd9ea612b25e325a50bd659997b4d77da1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/685fbddd9ea612b25e325a50bd659997b4d77da1
new file mode 100644
index 0000000000..c1a46bc2c0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/685fbddd9ea612b25e325a50bd659997b4d77da1
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/69542ed81b00a5ec8daaf4e8d509201eecd502c5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/69542ed81b00a5ec8daaf4e8d509201eecd502c5
new file mode 100644
index 0000000000..85cb334f14
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/69542ed81b00a5ec8daaf4e8d509201eecd502c5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/6bfd3679f4e30aaaa1808e96c980edcfa9cac1c0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/6bfd3679f4e30aaaa1808e96c980edcfa9cac1c0
new file mode 100644
index 0000000000..928473a378
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/6bfd3679f4e30aaaa1808e96c980edcfa9cac1c0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/6e2796549e29e5066f780a5e926fd6e3bb362450 b/test/core/end2end/fuzzers/client_fuzzer_corpus/6e2796549e29e5066f780a5e926fd6e3bb362450
new file mode 100644
index 0000000000..2825d7b21a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/6e2796549e29e5066f780a5e926fd6e3bb362450
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/71106770243ccca03f5025aadb298ee3a825824b b/test/core/end2end/fuzzers/client_fuzzer_corpus/71106770243ccca03f5025aadb298ee3a825824b
new file mode 100644
index 0000000000..8a1ad8a949
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/71106770243ccca03f5025aadb298ee3a825824b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/717695057d76b81c344ed8c23cc024195caa9405 b/test/core/end2end/fuzzers/client_fuzzer_corpus/717695057d76b81c344ed8c23cc024195caa9405
new file mode 100644
index 0000000000..38480af77d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/717695057d76b81c344ed8c23cc024195caa9405
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/7353a7b2ea9f61325728b2f118416549e89dd79b b/test/core/end2end/fuzzers/client_fuzzer_corpus/7353a7b2ea9f61325728b2f118416549e89dd79b
new file mode 100644
index 0000000000..9f665deb9c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/7353a7b2ea9f61325728b2f118416549e89dd79b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/739228a1400cd69c47f110002c34dbe1661e8c41 b/test/core/end2end/fuzzers/client_fuzzer_corpus/739228a1400cd69c47f110002c34dbe1661e8c41
new file mode 100644
index 0000000000..4e05077cd3
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/739228a1400cd69c47f110002c34dbe1661e8c41
@@ -0,0 +1 @@
+!mm
N•‘‘!‘m!‘NN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/7465a4955a064e8f1bb777d4b0de5b3df8469831 b/test/core/end2end/fuzzers/client_fuzzer_corpus/7465a4955a064e8f1bb777d4b0de5b3df8469831
new file mode 100644
index 0000000000..430c483bb4
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/7465a4955a064e8f1bb777d4b0de5b3df8469831
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/759a1e2e34cad14321a5e5790b1e6a783312fea1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/759a1e2e34cad14321a5e5790b1e6a783312fea1
new file mode 100644
index 0000000000..ebb072620c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/759a1e2e34cad14321a5e5790b1e6a783312fea1
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/7af3156d286a32a6a6fede46d93ec12ded1ac138 b/test/core/end2end/fuzzers/client_fuzzer_corpus/7af3156d286a32a6a6fede46d93ec12ded1ac138
new file mode 100644
index 0000000000..aec87c1b1f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/7af3156d286a32a6a6fede46d93ec12ded1ac138
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/7c73c0671308e37a8075a20863e70e180ef8b6ea b/test/core/end2end/fuzzers/client_fuzzer_corpus/7c73c0671308e37a8075a20863e70e180ef8b6ea
new file mode 100644
index 0000000000..8aee3fbed9
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/7c73c0671308e37a8075a20863e70e180ef8b6ea
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/807b8c4ca068cff4bc0fc8e854c1215a2fe65960 b/test/core/end2end/fuzzers/client_fuzzer_corpus/807b8c4ca068cff4bc0fc8e854c1215a2fe65960
new file mode 100644
index 0000000000..a577c53541
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/807b8c4ca068cff4bc0fc8e854c1215a2fe65960
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/80bd4827db81a1da28fae8c150f5e2d46651c598 b/test/core/end2end/fuzzers/client_fuzzer_corpus/80bd4827db81a1da28fae8c150f5e2d46651c598
new file mode 100644
index 0000000000..03267f1075
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/80bd4827db81a1da28fae8c150f5e2d46651c598
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/82c0e02a867a5fdfb805e01ebf1a008220311e27 b/test/core/end2end/fuzzers/client_fuzzer_corpus/82c0e02a867a5fdfb805e01ebf1a008220311e27
new file mode 100644
index 0000000000..a39f5468f1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/82c0e02a867a5fdfb805e01ebf1a008220311e27
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/831248cea079b629bf0ef6d9d02c159d6f8ed41b b/test/core/end2end/fuzzers/client_fuzzer_corpus/831248cea079b629bf0ef6d9d02c159d6f8ed41b
new file mode 100644
index 0000000000..4bf2f2b687
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/831248cea079b629bf0ef6d9d02c159d6f8ed41b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8382c249fc9c7a248833d89de554e63807c475f7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8382c249fc9c7a248833d89de554e63807c475f7
new file mode 100644
index 0000000000..748a4e0524
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8382c249fc9c7a248833d89de554e63807c475f7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/850c639595eae3cc9c2cfef473e28fd4e8174dc8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/850c639595eae3cc9c2cfef473e28fd4e8174dc8
new file mode 100644
index 0000000000..96771587cc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/850c639595eae3cc9c2cfef473e28fd4e8174dc8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/857ce08213a5106c746767352c6863d7bd134208 b/test/core/end2end/fuzzers/client_fuzzer_corpus/857ce08213a5106c746767352c6863d7bd134208
new file mode 100644
index 0000000000..dc539fec03
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/857ce08213a5106c746767352c6863d7bd134208
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/86eb156ff8ddd7edc535840d412342ada6f3b184 b/test/core/end2end/fuzzers/client_fuzzer_corpus/86eb156ff8ddd7edc535840d412342ada6f3b184
new file mode 100644
index 0000000000..fe1855b39d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/86eb156ff8ddd7edc535840d412342ada6f3b184
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/871a2e4d73a7fbb50f71558517a2f704b7fdb868 b/test/core/end2end/fuzzers/client_fuzzer_corpus/871a2e4d73a7fbb50f71558517a2f704b7fdb868
new file mode 100644
index 0000000000..96387bde98
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/871a2e4d73a7fbb50f71558517a2f704b7fdb868
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/87e97b460042d045629263ad10ff3de7b000f0a1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/87e97b460042d045629263ad10ff3de7b000f0a1
new file mode 100644
index 0000000000..8ff5c7d2be
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/87e97b460042d045629263ad10ff3de7b000f0a1
@@ -0,0 +1 @@
+!m;
‘•N!‘#‘
N¯)‘‘N‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8b9fcdfff1f891b1694614b7309cb4a2098f4b b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8b9fcdfff1f891b1694614b7309cb4a2098f4b
new file mode 100644
index 0000000000..4de424b49c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8b9fcdfff1f891b1694614b7309cb4a2098f4b
@@ -0,0 +1 @@
+!m;
‘•N!‘'‘N)‘‘N‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8f6d58dff9ab0c37183ec93c9a600d5ba5d9e6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8f6d58dff9ab0c37183ec93c9a600d5ba5d9e6
new file mode 100644
index 0000000000..6519b1debc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b8f6d58dff9ab0c37183ec93c9a600d5ba5d9e6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8c527bdf0f304a31866f71cdb298511041ecd320 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8c527bdf0f304a31866f71cdb298511041ecd320
new file mode 100644
index 0000000000..0f6967ba39
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8c527bdf0f304a31866f71cdb298511041ecd320
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8d352ea63259e26e1bb61f5a8f78254be4e3e7b1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8d352ea63259e26e1bb61f5a8f78254be4e3e7b1
new file mode 100644
index 0000000000..047ebaaead
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8d352ea63259e26e1bb61f5a8f78254be4e3e7b1
@@ -0,0 +1 @@
+!mm
L)NXmm
ÿÿ
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8ea624983d766ed45780378a3eec24eb2faeb229 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8ea624983d766ed45780378a3eec24eb2faeb229
new file mode 100644
index 0000000000..d119f4ca49
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8ea624983d766ed45780378a3eec24eb2faeb229
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9125277ed9ec5d59e51f3e1a8d97d25ef88a5d4f b/test/core/end2end/fuzzers/client_fuzzer_corpus/9125277ed9ec5d59e51f3e1a8d97d25ef88a5d4f
new file mode 100644
index 0000000000..bab9abe3ba
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9125277ed9ec5d59e51f3e1a8d97d25ef88a5d4f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/91916df7c8f04d8c2b6b8f4aeaeee6972ce0de74 b/test/core/end2end/fuzzers/client_fuzzer_corpus/91916df7c8f04d8c2b6b8f4aeaeee6972ce0de74
new file mode 100644
index 0000000000..e25b4c67e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/91916df7c8f04d8c2b6b8f4aeaeee6972ce0de74
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/92cce6dc5c31acd62347b15d89d52ab94b507e0f b/test/core/end2end/fuzzers/client_fuzzer_corpus/92cce6dc5c31acd62347b15d89d52ab94b507e0f
new file mode 100644
index 0000000000..75914a7b92
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/92cce6dc5c31acd62347b15d89d52ab94b507e0f
@@ -0,0 +1 @@
+!mm
N!mm
N•‘‘!‘m!‘NN'‘)‘‘•‘‘!‘m!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/92ea0d3200665e1836ac12bed0837425cb9f43de b/test/core/end2end/fuzzers/client_fuzzer_corpus/92ea0d3200665e1836ac12bed0837425cb9f43de
new file mode 100644
index 0000000000..2cc3ec69dd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/92ea0d3200665e1836ac12bed0837425cb9f43de
@@ -0,0 +1 @@
+)ÿ!mmm
'mN!•½!æ
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9329b80d0125cc994d7ad36540c7a8265d76983c b/test/core/end2end/fuzzers/client_fuzzer_corpus/9329b80d0125cc994d7ad36540c7a8265d76983c
new file mode 100644
index 0000000000..46a3f39dd8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9329b80d0125cc994d7ad36540c7a8265d76983c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/94108ac8420347598c7cee743b2a158b1270fb8f b/test/core/end2end/fuzzers/client_fuzzer_corpus/94108ac8420347598c7cee743b2a158b1270fb8f
new file mode 100644
index 0000000000..56e133622f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/94108ac8420347598c7cee743b2a158b1270fb8f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/954ea72fdbeaf5b46d18c6d5bb77fc1a0f97569d b/test/core/end2end/fuzzers/client_fuzzer_corpus/954ea72fdbeaf5b46d18c6d5bb77fc1a0f97569d
new file mode 100644
index 0000000000..6ca73fd49e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/954ea72fdbeaf5b46d18c6d5bb77fc1a0f97569d
@@ -0,0 +1,2 @@
+!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNNNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9552c3f6304af40224b800f3a3a5df3887a530f6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9552c3f6304af40224b800f3a3a5df3887a530f6
new file mode 100644
index 0000000000..0db758496f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9552c3f6304af40224b800f3a3a5df3887a530f6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/96e5126447131d3d59cc6547f6b91d3433ce37c8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/96e5126447131d3d59cc6547f6b91d3433ce37c8
new file mode 100644
index 0000000000..90f80d8edf
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/96e5126447131d3d59cc6547f6b91d3433ce37c8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/970fccda0b34b59ade44d52e1212699b4d2419a8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/970fccda0b34b59ade44d52e1212699b4d2419a8
new file mode 100644
index 0000000000..5c3a70c9bd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/970fccda0b34b59ade44d52e1212699b4d2419a8
@@ -0,0 +1 @@
+!m;
‘•N!‘'‘
N)‘‘N‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/97c4b73f72b248b4ebf4bf30892d0db828a85297 b/test/core/end2end/fuzzers/client_fuzzer_corpus/97c4b73f72b248b4ebf4bf30892d0db828a85297
new file mode 100644
index 0000000000..d60277fd93
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/97c4b73f72b248b4ebf4bf30892d0db828a85297
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/98da5edafac67704810f093b38c86e4c77b75349 b/test/core/end2end/fuzzers/client_fuzzer_corpus/98da5edafac67704810f093b38c86e4c77b75349
new file mode 100644
index 0000000000..538a195da5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/98da5edafac67704810f093b38c86e4c77b75349
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/98dddd3f679af150e9933bd864ae20e20b7aa25a b/test/core/end2end/fuzzers/client_fuzzer_corpus/98dddd3f679af150e9933bd864ae20e20b7aa25a
new file mode 100644
index 0000000000..bea145a96c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/98dddd3f679af150e9933bd864ae20e20b7aa25a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/999d0995c2f09beda8783eac95d7643a11d5c89a b/test/core/end2end/fuzzers/client_fuzzer_corpus/999d0995c2f09beda8783eac95d7643a11d5c89a
new file mode 100644
index 0000000000..b89a5f3943
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/999d0995c2f09beda8783eac95d7643a11d5c89a
@@ -0,0 +1 @@
+!mm!‘‘N!‘‘NNN‘)‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9a43f48d4f6219618f8cc9e876880fe81109ad72 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9a43f48d4f6219618f8cc9e876880fe81109ad72
new file mode 100644
index 0000000000..34a8803779
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9a43f48d4f6219618f8cc9e876880fe81109ad72
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9a4da2a37a26c114e1226bfbe1cf80ec5ca99a66 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9a4da2a37a26c114e1226bfbe1cf80ec5ca99a66
new file mode 100644
index 0000000000..f07452e2e6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9a4da2a37a26c114e1226bfbe1cf80ec5ca99a66
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9abf980e8909aeb31936553ca22ccfd8680c4dab b/test/core/end2end/fuzzers/client_fuzzer_corpus/9abf980e8909aeb31936553ca22ccfd8680c4dab
new file mode 100644
index 0000000000..d4a89123a0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9abf980e8909aeb31936553ca22ccfd8680c4dab
@@ -0,0 +1 @@
+!mm
N!mm
•‘‘!‘m!‘NN'‘)‘‘•‘‘!‘m!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9b4d4ce0457f5300d6b4b309762acfdbc41e3965 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9b4d4ce0457f5300d6b4b309762acfdbc41e3965
new file mode 100644
index 0000000000..5482d38776
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9b4d4ce0457f5300d6b4b309762acfdbc41e3965
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9bd059ff0a90e86ada1ba7e5b90ae04637ae9e90 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9bd059ff0a90e86ada1ba7e5b90ae04637ae9e90
new file mode 100644
index 0000000000..f93a781433
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9bd059ff0a90e86ada1ba7e5b90ae04637ae9e90
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9d2dd744ba59c1e8ec091e23938e46d1bb5ee519 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9d2dd744ba59c1e8ec091e23938e46d1bb5ee519
new file mode 100644
index 0000000000..5bd24748fc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9d2dd744ba59c1e8ec091e23938e46d1bb5ee519
@@ -0,0 +1 @@
+!mm
‘•N!‘‘NÿN'‘)‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9d6947df24c9ebcbec72c568d9708d7b1ecae63c b/test/core/end2end/fuzzers/client_fuzzer_corpus/9d6947df24c9ebcbec72c568d9708d7b1ecae63c
new file mode 100644
index 0000000000..031c0b499f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9d6947df24c9ebcbec72c568d9708d7b1ecae63c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9dfdce1b090a559a14f9a5852f78547413b1d1ed b/test/core/end2end/fuzzers/client_fuzzer_corpus/9dfdce1b090a559a14f9a5852f78547413b1d1ed
new file mode 100644
index 0000000000..7b32feee01
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9dfdce1b090a559a14f9a5852f78547413b1d1ed
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9e2ab07030bd35a4c31df32c79aca5e76c1d04f8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9e2ab07030bd35a4c31df32c79aca5e76c1d04f8
new file mode 100644
index 0000000000..d99281466e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9e2ab07030bd35a4c31df32c79aca5e76c1d04f8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9fee3212240d4bccfdab3696dbbc579b06d39982 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9fee3212240d4bccfdab3696dbbc579b06d39982
new file mode 100644
index 0000000000..7d30ec83e5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9fee3212240d4bccfdab3696dbbc579b06d39982
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a33e1b28074a41fc5c2611a67161ae5638a47dd5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a33e1b28074a41fc5c2611a67161ae5638a47dd5
new file mode 100644
index 0000000000..6a2b6e3ac5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a33e1b28074a41fc5c2611a67161ae5638a47dd5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a3cd54d43d3b3bdfcf224d636dc11ce1b5ee4d30 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a3cd54d43d3b3bdfcf224d636dc11ce1b5ee4d30
new file mode 100644
index 0000000000..19ca73971c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a3cd54d43d3b3bdfcf224d636dc11ce1b5ee4d30
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a4874327383ca168f9d9d59cffe327f61e9a6610 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a4874327383ca168f9d9d59cffe327f61e9a6610
new file mode 100644
index 0000000000..23069f2311
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a4874327383ca168f9d9d59cffe327f61e9a6610
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a6603e797695274d10bce000f66ca0a715f7d8c0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a6603e797695274d10bce000f66ca0a715f7d8c0
new file mode 100644
index 0000000000..15a79e7655
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a6603e797695274d10bce000f66ca0a715f7d8c0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a706f2067bfbda7837eaad68972d60547e2957c3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a706f2067bfbda7837eaad68972d60547e2957c3
new file mode 100644
index 0000000000..cf67f804c9
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a706f2067bfbda7837eaad68972d60547e2957c3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a814c5743d492b96d2b402f9e819bf8406262224 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a814c5743d492b96d2b402f9e819bf8406262224
new file mode 100644
index 0000000000..6098cdef21
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a814c5743d492b96d2b402f9e819bf8406262224
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a9d71e1ff2912d8874e38fc61cbd9a8ef28af4a9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a9d71e1ff2912d8874e38fc61cbd9a8ef28af4a9
new file mode 100644
index 0000000000..970e97724b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a9d71e1ff2912d8874e38fc61cbd9a8ef28af4a9
@@ -0,0 +1 @@
+‘N
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/aaada46c7f3bff58c2dd6f4a8394135ed5f253ee b/test/core/end2end/fuzzers/client_fuzzer_corpus/aaada46c7f3bff58c2dd6f4a8394135ed5f253ee
new file mode 100644
index 0000000000..77e30ff0e2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/aaada46c7f3bff58c2dd6f4a8394135ed5f253ee
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ab27fb527771c7d86f74afb6864e95402328ec0e b/test/core/end2end/fuzzers/client_fuzzer_corpus/ab27fb527771c7d86f74afb6864e95402328ec0e
new file mode 100644
index 0000000000..462ae0be1e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ab27fb527771c7d86f74afb6864e95402328ec0e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ab8d6e1ecbd80c6223b8623a386c61023502a57c b/test/core/end2end/fuzzers/client_fuzzer_corpus/ab8d6e1ecbd80c6223b8623a386c61023502a57c
new file mode 100644
index 0000000000..f5e5f0f140
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ab8d6e1ecbd80c6223b8623a386c61023502a57c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ac38a6572f8420b4df37d9e39088d1905fced71d b/test/core/end2end/fuzzers/client_fuzzer_corpus/ac38a6572f8420b4df37d9e39088d1905fced71d
new file mode 100644
index 0000000000..b81b2e3847
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ac38a6572f8420b4df37d9e39088d1905fced71d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/adb9bf315315338bcad85929917b9def2aa098cb b/test/core/end2end/fuzzers/client_fuzzer_corpus/adb9bf315315338bcad85929917b9def2aa098cb
new file mode 100644
index 0000000000..b80872b9e0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/adb9bf315315338bcad85929917b9def2aa098cb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ade2d2f0e120a9527487e9b92458ee6844800e4e b/test/core/end2end/fuzzers/client_fuzzer_corpus/ade2d2f0e120a9527487e9b92458ee6844800e4e
new file mode 100644
index 0000000000..d533eec460
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ade2d2f0e120a9527487e9b92458ee6844800e4e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/af8b24ffaecdfaf96c0cd7c76f31dc9e1b4d0935 b/test/core/end2end/fuzzers/client_fuzzer_corpus/af8b24ffaecdfaf96c0cd7c76f31dc9e1b4d0935
new file mode 100644
index 0000000000..eb20913e28
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/af8b24ffaecdfaf96c0cd7c76f31dc9e1b4d0935
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b00a32e8bfb75e75f31410dfe3592da6248275c6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b00a32e8bfb75e75f31410dfe3592da6248275c6
new file mode 100644
index 0000000000..f48b677bbc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b00a32e8bfb75e75f31410dfe3592da6248275c6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b24a0dd1bc0bfabb832f0d1c8410c018c4ddaf4e b/test/core/end2end/fuzzers/client_fuzzer_corpus/b24a0dd1bc0bfabb832f0d1c8410c018c4ddaf4e
new file mode 100644
index 0000000000..7cd2ed5c94
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b24a0dd1bc0bfabb832f0d1c8410c018c4ddaf4e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b283eb8884c98dd50523995ce221aa1ecb3ca182 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b283eb8884c98dd50523995ce221aa1ecb3ca182
new file mode 100644
index 0000000000..605a974f58
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b283eb8884c98dd50523995ce221aa1ecb3ca182
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b2aa4861b5104e8bb8bb173f4b023a2172a7b9a2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b2aa4861b5104e8bb8bb173f4b023a2172a7b9a2
new file mode 100644
index 0000000000..f1cc2d1f51
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b2aa4861b5104e8bb8bb173f4b023a2172a7b9a2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b3f33b78433af7f607bc99b569b0cef95a1a6ca0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b3f33b78433af7f607bc99b569b0cef95a1a6ca0
new file mode 100644
index 0000000000..e27af01c2d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b3f33b78433af7f607bc99b569b0cef95a1a6ca0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b46e762671a5e28c7061da3baee6fc41dcc0122b b/test/core/end2end/fuzzers/client_fuzzer_corpus/b46e762671a5e28c7061da3baee6fc41dcc0122b
new file mode 100644
index 0000000000..0d40881145
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b46e762671a5e28c7061da3baee6fc41dcc0122b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b6d86bedf3cf19441114e463458a454709e627b4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b6d86bedf3cf19441114e463458a454709e627b4
new file mode 100644
index 0000000000..f951be54e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b6d86bedf3cf19441114e463458a454709e627b4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b7b664a39372dd6142b8ef7906857e4ab3f1fc84 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b7b664a39372dd6142b8ef7906857e4ab3f1fc84
new file mode 100644
index 0000000000..a3ad3d2f3f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b7b664a39372dd6142b8ef7906857e4ab3f1fc84
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b7c31bb5f6acc65b88e31400dcae71f7be392c86 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b7c31bb5f6acc65b88e31400dcae71f7be392c86
new file mode 100644
index 0000000000..bd9a7912d5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b7c31bb5f6acc65b88e31400dcae71f7be392c86
@@ -0,0 +1 @@
+!mã
!ÿÿÿÿÿÿÿÿ
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/baa28a5baedb645f4430940a4b4b1142f4b03e0f b/test/core/end2end/fuzzers/client_fuzzer_corpus/baa28a5baedb645f4430940a4b4b1142f4b03e0f
new file mode 100644
index 0000000000..2bfa053d8c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/baa28a5baedb645f4430940a4b4b1142f4b03e0f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/baf7839388e10ff0c410a58797482cb83693b309 b/test/core/end2end/fuzzers/client_fuzzer_corpus/baf7839388e10ff0c410a58797482cb83693b309
new file mode 100644
index 0000000000..5f51d62ccd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/baf7839388e10ff0c410a58797482cb83693b309
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/bcc7340f8876a7dff381ca676efc39d30eed9f48 b/test/core/end2end/fuzzers/client_fuzzer_corpus/bcc7340f8876a7dff381ca676efc39d30eed9f48
new file mode 100644
index 0000000000..efecee7854
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/bcc7340f8876a7dff381ca676efc39d30eed9f48
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/be3237e72b3d8d56eec0520145dd7d1a5064eede b/test/core/end2end/fuzzers/client_fuzzer_corpus/be3237e72b3d8d56eec0520145dd7d1a5064eede
new file mode 100644
index 0000000000..82254afcff
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/be3237e72b3d8d56eec0520145dd7d1a5064eede
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/be8cc5bab95e0ea7af538ca11175d710da6207d9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/be8cc5bab95e0ea7af538ca11175d710da6207d9
new file mode 100644
index 0000000000..6f7eaffd7f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/be8cc5bab95e0ea7af538ca11175d710da6207d9
@@ -0,0 +1,2 @@
+!mm
!N!mžm
!m)m!‘‘N!‘‘Nð‘NN)‘‘
+a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘•‘!‘Nm!N‘NNNN‘NNN'‘)‘‘
N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c0deaead93c9b3f2fc211fb7f0711ac192715a40 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c0deaead93c9b3f2fc211fb7f0711ac192715a40
new file mode 100644
index 0000000000..fe16d391d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c0deaead93c9b3f2fc211fb7f0711ac192715a40
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c24143cf5f6f77f002e0ab82e3060906e2e7d062 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c24143cf5f6f77f002e0ab82e3060906e2e7d062
new file mode 100644
index 0000000000..3326d07003
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c24143cf5f6f77f002e0ab82e3060906e2e7d062
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c4e60ae7c05b12a90dd7c43fbc85ae4be7540f18 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c4e60ae7c05b12a90dd7c43fbc85ae4be7540f18
new file mode 100644
index 0000000000..11021a6b03
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c4e60ae7c05b12a90dd7c43fbc85ae4be7540f18
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c5dfb4a82f91d07041d4b0ca6cc34cfa1e9c7199 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c5dfb4a82f91d07041d4b0ca6cc34cfa1e9c7199
new file mode 100644
index 0000000000..1877173e1e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c5dfb4a82f91d07041d4b0ca6cc34cfa1e9c7199
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c685689a9d5b259afe237d857b7c6551dc95c176 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c685689a9d5b259afe237d857b7c6551dc95c176
new file mode 100644
index 0000000000..763b8dc020
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c685689a9d5b259afe237d857b7c6551dc95c176
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c77087b4651f4c62a780d77a3b4c233490244e8a b/test/core/end2end/fuzzers/client_fuzzer_corpus/c77087b4651f4c62a780d77a3b4c233490244e8a
new file mode 100644
index 0000000000..92280fd3fc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c77087b4651f4c62a780d77a3b4c233490244e8a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c784ad2e205ba49b5bb1302746723dbc57320981 b/test/core/end2end/fuzzers/client_fuzzer_corpus/c784ad2e205ba49b5bb1302746723dbc57320981
new file mode 100644
index 0000000000..3efda6830a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c784ad2e205ba49b5bb1302746723dbc57320981
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c84da54dacf04445b50448a70fb0ecdd08e9234a b/test/core/end2end/fuzzers/client_fuzzer_corpus/c84da54dacf04445b50448a70fb0ecdd08e9234a
new file mode 100644
index 0000000000..fd3d2fca68
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c84da54dacf04445b50448a70fb0ecdd08e9234a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ca0db313bf949ba3f87a5254646a7a7dc8a7f89d b/test/core/end2end/fuzzers/client_fuzzer_corpus/ca0db313bf949ba3f87a5254646a7a7dc8a7f89d
new file mode 100644
index 0000000000..daf5a83517
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ca0db313bf949ba3f87a5254646a7a7dc8a7f89d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cceb4c620c02337138e489383db0d4f4e2c7a722 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cceb4c620c02337138e489383db0d4f4e2c7a722
new file mode 100644
index 0000000000..44b7482286
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cceb4c620c02337138e489383db0d4f4e2c7a722
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cd4be18b1ae872c40580edc4fe8cbdf1fe2a3881 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cd4be18b1ae872c40580edc4fe8cbdf1fe2a3881
new file mode 100644
index 0000000000..70f2517ded
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cd4be18b1ae872c40580edc4fe8cbdf1fe2a3881
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cd76ed6aff7e074b0cfdcc6305ec4e453d8304bb b/test/core/end2end/fuzzers/client_fuzzer_corpus/cd76ed6aff7e074b0cfdcc6305ec4e453d8304bb
new file mode 100644
index 0000000000..5c031201b0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cd76ed6aff7e074b0cfdcc6305ec4e453d8304bb
@@ -0,0 +1 @@
+!‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ce990633c0f2b2a2ddb66144ed942d4bc9bcd8fb b/test/core/end2end/fuzzers/client_fuzzer_corpus/ce990633c0f2b2a2ddb66144ed942d4bc9bcd8fb
new file mode 100644
index 0000000000..a2bab7f009
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ce990633c0f2b2a2ddb66144ed942d4bc9bcd8fb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ceb297908903ba0fc24982ad4e6010e79dfbdd5e b/test/core/end2end/fuzzers/client_fuzzer_corpus/ceb297908903ba0fc24982ad4e6010e79dfbdd5e
new file mode 100644
index 0000000000..5ba2cd27b8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ceb297908903ba0fc24982ad4e6010e79dfbdd5e
@@ -0,0 +1,2 @@
+!mm
!N!mm
!m)m!‘‘N!‘‘Nð‘N<N)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘'NN‘‘•‘!‘Nm!N‘NNNN‘NNN'‘)‘‘N‘NN*
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cedd54df6d34491dbf7843c2621d6818418aca02 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cedd54df6d34491dbf7843c2621d6818418aca02
new file mode 100644
index 0000000000..dbbeff5127
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cedd54df6d34491dbf7843c2621d6818418aca02
@@ -0,0 +1,2 @@
+!mm
!N!mm
!m)m!‘‘N!‘‘Nð‘NN)‘
+‘a‘‘‘‘NNN•‘‘!‘m!)‘‘‘N'N‘•‘!‘mNN!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-12b69708d452b3cefe2da4a708a1030a661d37fc b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-12b69708d452b3cefe2da4a708a1030a661d37fc
new file mode 100644
index 0000000000..21b2ccc627
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-12b69708d452b3cefe2da4a708a1030a661d37fc
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-3bd02c98286bfa7be8e13c5500ddb587bba74fbb b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-3bd02c98286bfa7be8e13c5500ddb587bba74fbb
new file mode 100644
index 0000000000..a1d58be194
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-3bd02c98286bfa7be8e13c5500ddb587bba74fbb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-53e93a1906d8442d058500e7107929cdd3e84ff8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-53e93a1906d8442d058500e7107929cdd3e84ff8
new file mode 100644
index 0000000000..ac446e5249
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-53e93a1906d8442d058500e7107929cdd3e84ff8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-570c79624a2e4d36be107745d2b25e74464553af b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-570c79624a2e4d36be107745d2b25e74464553af
new file mode 100644
index 0000000000..815841b443
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-570c79624a2e4d36be107745d2b25e74464553af
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-8e546795782dffa5d5f5e94c9510aac178fcee39 b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-8e546795782dffa5d5f5e94c9510aac178fcee39
new file mode 100644
index 0000000000..53d6fd7911
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-8e546795782dffa5d5f5e94c9510aac178fcee39
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d5af12c391b7bf0ce63ee3dc656ee4410fe496eb b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d5af12c391b7bf0ce63ee3dc656ee4410fe496eb
new file mode 100644
index 0000000000..b2b8838457
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d5af12c391b7bf0ce63ee3dc656ee4410fe496eb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d92bb454bbbd415175df541661e3696453ce3e43 b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d92bb454bbbd415175df541661e3696453ce3e43
new file mode 100644
index 0000000000..8580a04621
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-d92bb454bbbd415175df541661e3696453ce3e43
@@ -0,0 +1 @@
+!)‘!:‘O
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-e470e9fd09a5c9ef303813a40361c897650289fd b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-e470e9fd09a5c9ef303813a40361c897650289fd
new file mode 100644
index 0000000000..23873ddd94
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-e470e9fd09a5c9ef303813a40361c897650289fd
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d1b1863b478e1ea71eafac9e03256080c8f0d1c5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d1b1863b478e1ea71eafac9e03256080c8f0d1c5
new file mode 100644
index 0000000000..11718ebaeb
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d1b1863b478e1ea71eafac9e03256080c8f0d1c5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d257c41db22b60cd937de16b9d90a44b9fa8e426 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d257c41db22b60cd937de16b9d90a44b9fa8e426
new file mode 100644
index 0000000000..975530c26d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d257c41db22b60cd937de16b9d90a44b9fa8e426
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d363f288f48fba8fde401978b7e764295735645e b/test/core/end2end/fuzzers/client_fuzzer_corpus/d363f288f48fba8fde401978b7e764295735645e
new file mode 100644
index 0000000000..e9f4e90f80
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d363f288f48fba8fde401978b7e764295735645e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d36e015b1e14ecb9559d67bb09c2851699f0aa35 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d36e015b1e14ecb9559d67bb09c2851699f0aa35
new file mode 100644
index 0000000000..7e123c5b1b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d36e015b1e14ecb9559d67bb09c2851699f0aa35
@@ -0,0 +1 @@
+!mmm
mN!½
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d49450b97f489f0dea74a9f83c71abeba1066d3c b/test/core/end2end/fuzzers/client_fuzzer_corpus/d49450b97f489f0dea74a9f83c71abeba1066d3c
new file mode 100644
index 0000000000..0403081320
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d49450b97f489f0dea74a9f83c71abeba1066d3c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d60469c0b5b385f20d55aa5cca55bc2c801f3b95 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d60469c0b5b385f20d55aa5cca55bc2c801f3b95
new file mode 100644
index 0000000000..c186e498af
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d60469c0b5b385f20d55aa5cca55bc2c801f3b95
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d727b7edb460c549d7b12b90f581048c9f4747e5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d727b7edb460c549d7b12b90f581048c9f4747e5
new file mode 100644
index 0000000000..ce308070d7
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d727b7edb460c549d7b12b90f581048c9f4747e5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d89026894e6c5f8b5c88dec12950f56c4b6924ba b/test/core/end2end/fuzzers/client_fuzzer_corpus/d89026894e6c5f8b5c88dec12950f56c4b6924ba
new file mode 100644
index 0000000000..1c6f6e23a3
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d89026894e6c5f8b5c88dec12950f56c4b6924ba
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d90c312791129dee8c5f85cb3308323d0c39b70d b/test/core/end2end/fuzzers/client_fuzzer_corpus/d90c312791129dee8c5f85cb3308323d0c39b70d
new file mode 100644
index 0000000000..9ac484174b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d90c312791129dee8c5f85cb3308323d0c39b70d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d91281daad9b821294db204dfc244b2d0d5496e4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d91281daad9b821294db204dfc244b2d0d5496e4
new file mode 100644
index 0000000000..b802985c24
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d91281daad9b821294db204dfc244b2d0d5496e4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/da322a6b88da87babb52d1527fe54cb4ac214b32 b/test/core/end2end/fuzzers/client_fuzzer_corpus/da322a6b88da87babb52d1527fe54cb4ac214b32
new file mode 100644
index 0000000000..5325844671
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/da322a6b88da87babb52d1527fe54cb4ac214b32
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/da4d300d0a8e6f803ec053e3e7689c4b91eaef90 b/test/core/end2end/fuzzers/client_fuzzer_corpus/da4d300d0a8e6f803ec053e3e7689c4b91eaef90
new file mode 100644
index 0000000000..3341147f8e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/da4d300d0a8e6f803ec053e3e7689c4b91eaef90
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/da538941f1613c627523cb1be71eb220d1ca2579 b/test/core/end2end/fuzzers/client_fuzzer_corpus/da538941f1613c627523cb1be71eb220d1ca2579
new file mode 100644
index 0000000000..3d6e58c519
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/da538941f1613c627523cb1be71eb220d1ca2579
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/da8d4c7f02dbeaa543c159b3a4e527059978a429 b/test/core/end2end/fuzzers/client_fuzzer_corpus/da8d4c7f02dbeaa543c159b3a4e527059978a429
new file mode 100644
index 0000000000..07a2e537f0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/da8d4c7f02dbeaa543c159b3a4e527059978a429
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/data_frame.bin b/test/core/end2end/fuzzers/client_fuzzer_corpus/data_frame.bin
new file mode 100644
index 0000000000..a99061c29f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/data_frame.bin
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/dc4a248fa4c903ce3a571dd18aea575019445740 b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc4a248fa4c903ce3a571dd18aea575019445740
new file mode 100644
index 0000000000..2ff2c5fae2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc4a248fa4c903ce3a571dd18aea575019445740
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/dc7ebba06558484af10b5aafd01ec4fd59276b12 b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc7ebba06558484af10b5aafd01ec4fd59276b12
new file mode 100644
index 0000000000..d06ecaae94
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc7ebba06558484af10b5aafd01ec4fd59276b12
@@ -0,0 +1 @@
+!‘‘!‘N‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/dc815fd6d5e817898238481472f359bc50b510c4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc815fd6d5e817898238481472f359bc50b510c4
new file mode 100644
index 0000000000..0bee6ac933
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/dc815fd6d5e817898238481472f359bc50b510c4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/dd662353bad317cee7d16191a39e094bfa4898f2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/dd662353bad317cee7d16191a39e094bfa4898f2
new file mode 100644
index 0000000000..2683cbb756
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/dd662353bad317cee7d16191a39e094bfa4898f2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e1bd70aa5c802cd4462ff4833c09ed432ce4c9fa b/test/core/end2end/fuzzers/client_fuzzer_corpus/e1bd70aa5c802cd4462ff4833c09ed432ce4c9fa
new file mode 100644
index 0000000000..b00ba83967
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e1bd70aa5c802cd4462ff4833c09ed432ce4c9fa
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e262f378a3d27bc519d472ce3650bdffcd48a055 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e262f378a3d27bc519d472ce3650bdffcd48a055
new file mode 100644
index 0000000000..f2e303e878
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e262f378a3d27bc519d472ce3650bdffcd48a055
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e40b0fa5d814be8f2081ca2c8e0a4090d4893831 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e40b0fa5d814be8f2081ca2c8e0a4090d4893831
new file mode 100644
index 0000000000..887a303470
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e40b0fa5d814be8f2081ca2c8e0a4090d4893831
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e4dc0a111e77dc495c5db07df5e2917adb674697 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e4dc0a111e77dc495c5db07df5e2917adb674697
new file mode 100644
index 0000000000..e4fd8c69cc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e4dc0a111e77dc495c5db07df5e2917adb674697
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e5a7c086208248a15ee6fa5195fc4ce22469de15 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e5a7c086208248a15ee6fa5195fc4ce22469de15
new file mode 100644
index 0000000000..00dd612ce6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e5a7c086208248a15ee6fa5195fc4ce22469de15
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e5ac3394971400b6636d029aec7ec665a94ecf29 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e5ac3394971400b6636d029aec7ec665a94ecf29
new file mode 100644
index 0000000000..6a0cc0c3fe
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e5ac3394971400b6636d029aec7ec665a94ecf29
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e61f728210ce72ed8b2c066bd1b1ecf9e6824b77 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e61f728210ce72ed8b2c066bd1b1ecf9e6824b77
new file mode 100644
index 0000000000..5b33b9bf1e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e61f728210ce72ed8b2c066bd1b1ecf9e6824b77
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e6f5cc0702a5f38b9e7339849e1dd2e4001e547d b/test/core/end2end/fuzzers/client_fuzzer_corpus/e6f5cc0702a5f38b9e7339849e1dd2e4001e547d
new file mode 100644
index 0000000000..680f2d8447
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e6f5cc0702a5f38b9e7339849e1dd2e4001e547d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e8323c817d18f0c920d3cf53be41a9bc0fd64b76 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e8323c817d18f0c920d3cf53be41a9bc0fd64b76
new file mode 100644
index 0000000000..5055202431
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e8323c817d18f0c920d3cf53be41a9bc0fd64b76
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e9f7f7f258c72222397a960652c01d2a37e2afe3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e9f7f7f258c72222397a960652c01d2a37e2afe3
new file mode 100644
index 0000000000..87986b8c00
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e9f7f7f258c72222397a960652c01d2a37e2afe3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/eb969b9ab1b0d6b5d197795223ba7a091ebd8460 b/test/core/end2end/fuzzers/client_fuzzer_corpus/eb969b9ab1b0d6b5d197795223ba7a091ebd8460
new file mode 100644
index 0000000000..5074097a3f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/eb969b9ab1b0d6b5d197795223ba7a091ebd8460
@@ -0,0 +1 @@
+!mm
!mm
N•‘‘!‘m!‘NN'‘)*‘‘•‘‘!‘m!‘NNN‘NNN'‘)‘‘N‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ebb0786acc21c6185356eae9a62490a03fddd1f2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ebb0786acc21c6185356eae9a62490a03fddd1f2
new file mode 100644
index 0000000000..937410276a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ebb0786acc21c6185356eae9a62490a03fddd1f2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ec180175f0edea0a6c3eea2ae719b006bc029ff8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ec180175f0edea0a6c3eea2ae719b006bc029ff8
new file mode 100644
index 0000000000..8655caedc6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ec180175f0edea0a6c3eea2ae719b006bc029ff8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ed6358fbe6721c9ac01a6f4cab4d2df377eb1f11 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ed6358fbe6721c9ac01a6f4cab4d2df377eb1f11
new file mode 100644
index 0000000000..1c4e25272f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ed6358fbe6721c9ac01a6f4cab4d2df377eb1f11
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ee436743977b8e31feec22a91b1ce23dee96665e b/test/core/end2end/fuzzers/client_fuzzer_corpus/ee436743977b8e31feec22a91b1ce23dee96665e
new file mode 100644
index 0000000000..94abe368ff
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ee436743977b8e31feec22a91b1ce23dee96665e
@@ -0,0 +1 @@
+!mã
!ÿÿÿÿÿÿÿÿŒ
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ef1984d6146670122c7a7246374bca460e7284e5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ef1984d6146670122c7a7246374bca460e7284e5
new file mode 100644
index 0000000000..6af61aeb38
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ef1984d6146670122c7a7246374bca460e7284e5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/eff9ad9144a2953fadc019fe72eb1cc3447c33fb b/test/core/end2end/fuzzers/client_fuzzer_corpus/eff9ad9144a2953fadc019fe72eb1cc3447c33fb
new file mode 100644
index 0000000000..6fd26cabe2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/eff9ad9144a2953fadc019fe72eb1cc3447c33fb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/empty b/test/core/end2end/fuzzers/client_fuzzer_corpus/empty
new file mode 100644
index 0000000000..8b13789179
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/empty
@@ -0,0 +1 @@
+
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f03120d1a8376638e071735bf4746454b6ede389 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f03120d1a8376638e071735bf4746454b6ede389
new file mode 100644
index 0000000000..b5e68ff0a8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f03120d1a8376638e071735bf4746454b6ede389
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f09410ab7bc19ee1ff206f94e8eec2931faef15f b/test/core/end2end/fuzzers/client_fuzzer_corpus/f09410ab7bc19ee1ff206f94e8eec2931faef15f
new file mode 100644
index 0000000000..beaf36dea7
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f09410ab7bc19ee1ff206f94e8eec2931faef15f
@@ -0,0 +1 @@
+m!‘‘NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f24f925945aaf5e8b5ee470935e5aa7f847e7a72 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f24f925945aaf5e8b5ee470935e5aa7f847e7a72
new file mode 100644
index 0000000000..065f15b578
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f24f925945aaf5e8b5ee470935e5aa7f847e7a72
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f41f9319bda14ef21b925c46945b30728503dfaf b/test/core/end2end/fuzzers/client_fuzzer_corpus/f41f9319bda14ef21b925c46945b30728503dfaf
new file mode 100644
index 0000000000..52ef5bb82d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f41f9319bda14ef21b925c46945b30728503dfaf
@@ -0,0 +1,2 @@
+ð
+‘a‘‘‘NNN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f66305230042fa83fcd1b98c469d90ffef3ff6da b/test/core/end2end/fuzzers/client_fuzzer_corpus/f66305230042fa83fcd1b98c469d90ffef3ff6da
new file mode 100644
index 0000000000..107dd45265
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f66305230042fa83fcd1b98c469d90ffef3ff6da
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f6af3f46aacee395877d7f7909f8e412a6538efb b/test/core/end2end/fuzzers/client_fuzzer_corpus/f6af3f46aacee395877d7f7909f8e412a6538efb
new file mode 100644
index 0000000000..3dbba7fd94
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f6af3f46aacee395877d7f7909f8e412a6538efb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f74143e8160754e40eb4d21a182c970210707979 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f74143e8160754e40eb4d21a182c970210707979
new file mode 100644
index 0000000000..de22f655e6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f74143e8160754e40eb4d21a182c970210707979
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f84f5d6188cf099465f0b70337b87ad8aa8efb78 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f84f5d6188cf099465f0b70337b87ad8aa8efb78
new file mode 100644
index 0000000000..bc36c652de
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f84f5d6188cf099465f0b70337b87ad8aa8efb78
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f91f76fa45a23adfed48a10ec9512cf16bfb6636 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f91f76fa45a23adfed48a10ec9512cf16bfb6636
new file mode 100644
index 0000000000..1c50bd06b5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f91f76fa45a23adfed48a10ec9512cf16bfb6636
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f9940356ee9b212849fbdf0d818b17af1a4f3c6c b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9940356ee9b212849fbdf0d818b17af1a4f3c6c
new file mode 100644
index 0000000000..0c2d2bd328
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9940356ee9b212849fbdf0d818b17af1a4f3c6c
@@ -0,0 +1 @@
+!mm
‘•N!‘')‘ð‘N
NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f9c875c00b7327df5bf21c3e051b55b0d2ed3cc8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9c875c00b7327df5bf21c3e051b55b0d2ed3cc8
new file mode 100644
index 0000000000..b89a2b4d81
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9c875c00b7327df5bf21c3e051b55b0d2ed3cc8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fb340fff42a4d7ebf6b82adb9345655ffeeb05d9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/fb340fff42a4d7ebf6b82adb9345655ffeeb05d9
new file mode 100644
index 0000000000..b978a69201
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fb340fff42a4d7ebf6b82adb9345655ffeeb05d9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fda07f0de15cac77ccc54ec221d81cdade189bfd b/test/core/end2end/fuzzers/client_fuzzer_corpus/fda07f0de15cac77ccc54ec221d81cdade189bfd
new file mode 100644
index 0000000000..39b25941bc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fda07f0de15cac77ccc54ec221d81cdade189bfd
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fdb553b8d82e68270a7345b048772bf8367b1224 b/test/core/end2end/fuzzers/client_fuzzer_corpus/fdb553b8d82e68270a7345b048772bf8367b1224
new file mode 100644
index 0000000000..4e4338b070
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fdb553b8d82e68270a7345b048772bf8367b1224
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fe1390762579b5c335bbdea73e251b95b979c3c9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/fe1390762579b5c335bbdea73e251b95b979c3c9
new file mode 100644
index 0000000000..7fe5a736b5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fe1390762579b5c335bbdea73e251b95b979c3c9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fecccfc70b1cf1a524b9f28a9ba2c153c8e14d0e b/test/core/end2end/fuzzers/client_fuzzer_corpus/fecccfc70b1cf1a524b9f28a9ba2c153c8e14d0e
new file mode 100644
index 0000000000..4378c8e059
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fecccfc70b1cf1a524b9f28a9ba2c153c8e14d0e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/fef80aa34c31700ac8e53bede4a97131176ceef0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/fef80aa34c31700ac8e53bede4a97131176ceef0
new file mode 100644
index 0000000000..db02dd6624
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/fef80aa34c31700ac8e53bede4a97131176ceef0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/hdr_frame.bin b/test/core/end2end/fuzzers/client_fuzzer_corpus/hdr_frame.bin
new file mode 100644
index 0000000000..a569bd045b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/hdr_frame.bin
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/settings_frame_1.bin b/test/core/end2end/fuzzers/client_fuzzer_corpus/settings_frame_1.bin
new file mode 100644
index 0000000000..49b1bbb728
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/settings_frame_1.bin
diff --git a/test/core/end2end/fuzzers/hpack.dictionary b/test/core/end2end/fuzzers/hpack.dictionary
new file mode 100644
index 0000000000..185048600f
--- /dev/null
+++ b/test/core/end2end/fuzzers/hpack.dictionary
@@ -0,0 +1,91 @@
+# hpack fuzzing dictionary
+kw0="\x01""0"
+kw1="\x01""1"
+kw2="\x01""2"
+kw3="\x03""200"
+kw4="\x03""204"
+kw5="\x03""206"
+kw6="\x03""304"
+kw7="\x03""400"
+kw8="\x03""404"
+kw9="\x03""500"
+kw10="\x06""accept"
+kw11="\x0e""accept-charset"
+kw12="\x0f""accept-encoding"
+kw13="\x0f""accept-language"
+kw14="\x0d""accept-ranges"
+kw15="\x1b""access-control-allow-origin"
+kw16="\x03""age"
+kw17="\x05""allow"
+kw18="\x10""application/grpc"
+kw19="\x0a:authority"
+kw20="\x0d""authorization"
+kw21="\x0d""cache-control"
+kw22="\x0a""census-bin"
+kw23="\x11""census-binary-bin"
+kw24="\x13""content-disposition"
+kw25="\x10""content-encoding"
+kw26="\x10""content-language"
+kw27="\x0e""content-length"
+kw28="\x10""content-location"
+kw29="\x0d""content-range"
+kw30="\x0c""content-type"
+kw31="\x06""cookie"
+kw32="\x04""date"
+kw33="\x07""deflate"
+kw34="\x0c""deflate,gzip"
+kw35="\x00"
+kw36="\x04""etag"
+kw37="\x06""expect"
+kw38="\x07""expires"
+kw39="\x04""from"
+kw40="\x03GET"
+kw41="\x04grpc"
+kw42="\x14grpc-accept-encoding"
+kw43="\x0dgrpc-encoding"
+kw44="\x1egrpc-internal-encoding-request"
+kw45="\x0cgrpc-message"
+kw46="\x0bgrpc-status"
+kw47="\x0cgrpc-timeout"
+kw48="\x04gzip"
+kw49="\x0dgzip, deflate"
+kw50="\x04host"
+kw51="\x04http"
+kw52="\x05https"
+kw53="\x08identity"
+kw54="\x10identity,deflate"
+kw55="\x15identity,deflate,gzip"
+kw56="\x0didentity,gzip"
+kw57="\x08if-match"
+kw58="\x11if-modified-since"
+kw59="\x0dif-none-match"
+kw60="\x08if-range"
+kw61="\x13if-unmodified-since"
+kw62="\x0dlast-modified"
+kw63="\x04link"
+kw64="\x08location"
+kw65="\x0cmax-forwards"
+kw66="\x07:method"
+kw67="\x05:path"
+kw68="\x04POST"
+kw69="\x12proxy-authenticate"
+kw70="\x13proxy-authorization"
+kw71="\x03PUT"
+kw72="\x05range"
+kw73="\x07referer"
+kw74="\x07refresh"
+kw75="\x0bretry-after"
+kw76="\x07:scheme"
+kw77="\x06server"
+kw78="\x0aset-cookie"
+kw79="\x01/"
+kw80="\x0b/index.html"
+kw81="\x07:status"
+kw82="\x19strict-transport-security"
+kw83="\x02te"
+kw84="\x08trailers"
+kw85="\x11transfer-encoding"
+kw86="\x0auser-agent"
+kw87="\x04vary"
+kw88="\x03via"
+kw89="\x10www-authenticate"
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
new file mode 100644
index 0000000000..40273711ab
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -0,0 +1,127 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/util/memory_counters.h"
+#include "test/core/util/mock_endpoint.h"
+
+static const bool squelch = true;
+
+static void discard_write(gpr_slice slice) {}
+
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+static int detag(void *p) { return (int)(uintptr_t)p; }
+
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  struct grpc_memory_counters counters;
+  if (squelch) gpr_set_log_function(dont_log);
+  grpc_memory_counters_init();
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      gpr_slice_from_copied_buffer((const char *)data, size));
+
+  grpc_server *server = grpc_server_create(NULL, NULL);
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_server_register_completion_queue(server, cq, NULL);
+  // TODO(ctiller): add registered methods (one for POST, one for PUT)
+  // void *registered_method =
+  //    grpc_server_register_method(server, "/reg", NULL, 0);
+  grpc_server_start(server);
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 0);
+  grpc_server_setup_transport(&exec_ctx, server, transport, NULL);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_call *call1 = NULL;
+  grpc_call_details call_details1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details_init(&call_details1);
+  grpc_metadata_array_init(&request_metadata1);
+  int requested_calls = 0;
+
+  grpc_server_request_call(server, &call1, &call_details1, &request_metadata1,
+                           cq, cq, tag(1));
+  requested_calls++;
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        switch (detag(ev.tag)) {
+          case 1:
+            requested_calls--;
+            // TODO(ctiller): keep reading that call!
+            break;
+        }
+    }
+  }
+
+done:
+  if (call1 != NULL) grpc_call_destroy(call1);
+  grpc_call_details_destroy(&call_details1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_server_shutdown_and_notify(server, cq, tag(0xdead));
+  grpc_server_cancel_all_calls(server);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_server_destroy(server);
+  grpc_completion_queue_destroy(cq);
+  grpc_shutdown();
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin
new file mode 100644
index 0000000000..2f670cf2db
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin
new file mode 100644
index 0000000000..b4896fd928
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9
new file mode 100644
index 0000000000..5f53b70b2d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488 b/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488
new file mode 100644
index 0000000000..c1d8fa1ea4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin
new file mode 100644
index 0000000000..732d84630a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin
new file mode 100644
index 0000000000..00c4956d38
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278 b/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278
new file mode 100644
index 0000000000..94a877e85f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606 b/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606
new file mode 100644
index 0000000000..4c657a0330
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2 b/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2
new file mode 100644
index 0000000000..c3408cf8cb
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c b/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c
new file mode 100644
index 0000000000..dbe2ade20e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/07c96c06eddbed5a3ce050436bc805f6821cbc9b b/test/core/end2end/fuzzers/server_fuzzer_corpus/07c96c06eddbed5a3ce050436bc805f6821cbc9b
new file mode 100644
index 0000000000..7d5fb0bdf6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/07c96c06eddbed5a3ce050436bc805f6821cbc9b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a b/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a
new file mode 100644
index 0000000000..5c01671819
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb b/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb
new file mode 100644
index 0000000000..0910f9362b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697 b/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697
new file mode 100644
index 0000000000..0c1be25379
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e
new file mode 100644
index 0000000000..efbfeaf539
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin
new file mode 100644
index 0000000000..0e22a4504d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin
@@ -0,0 +1 @@
+PRI * HTTP/2X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin
new file mode 100644
index 0000000000..112188c052
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin
@@ -0,0 +1,2 @@
+PRI * HTTP/2.0

+
X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin
new file mode 100644
index 0000000000..853ca7c4f0
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin
new file mode 100644
index 0000000000..50bb312add
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0e349b8762703d080b3a696600e21d64c23a2ed3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/0e349b8762703d080b3a696600e21d64c23a2ed3
new file mode 100644
index 0000000000..c57226e418
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0e349b8762703d080b3a696600e21d64c23a2ed3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0f700e05.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0f700e05.bin
new file mode 100644
index 0000000000..f861853d88
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0f700e05.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0ff4d220.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0ff4d220.bin
new file mode 100644
index 0000000000..fc79411662
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0ff4d220.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/10724098.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/10724098.bin
new file mode 100644
index 0000000000..9d1a39d606
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/10724098.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/108e270a272e312fc97ec23004b80fdc7bad3906 b/test/core/end2end/fuzzers/server_fuzzer_corpus/108e270a272e312fc97ec23004b80fdc7bad3906
new file mode 100644
index 0000000000..2d703ccf53
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/108e270a272e312fc97ec23004b80fdc7bad3906
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/11516d58.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/11516d58.bin
new file mode 100644
index 0000000000..7edd81d660
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/11516d58.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/11cda3f70be4b507ea936bca93af9ce5aaab3be7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/11cda3f70be4b507ea936bca93af9ce5aaab3be7
new file mode 100644
index 0000000000..62cbd41e0f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/11cda3f70be4b507ea936bca93af9ce5aaab3be7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/13501419f349b7855d2e94060bd08b28923d1f37 b/test/core/end2end/fuzzers/server_fuzzer_corpus/13501419f349b7855d2e94060bd08b28923d1f37
new file mode 100644
index 0000000000..34906e8b54
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/13501419f349b7855d2e94060bd08b28923d1f37
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/146b7d66ad932c4b623eec8004e286d3705697d3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/146b7d66ad932c4b623eec8004e286d3705697d3
new file mode 100644
index 0000000000..e6a85419cf
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/146b7d66ad932c4b623eec8004e286d3705697d3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/14f9a0cda0d64590430218aaf6dedd9be2a3533f b/test/core/end2end/fuzzers/server_fuzzer_corpus/14f9a0cda0d64590430218aaf6dedd9be2a3533f
new file mode 100644
index 0000000000..7f448c298d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/14f9a0cda0d64590430218aaf6dedd9be2a3533f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/15ae78a8543a4794a27e6c79b0d34540322b97fd b/test/core/end2end/fuzzers/server_fuzzer_corpus/15ae78a8543a4794a27e6c79b0d34540322b97fd
new file mode 100644
index 0000000000..602f456092
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/15ae78a8543a4794a27e6c79b0d34540322b97fd
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/15afdcf2cadb93f56dbe36233d8cd7ea9d2bd6fe b/test/core/end2end/fuzzers/server_fuzzer_corpus/15afdcf2cadb93f56dbe36233d8cd7ea9d2bd6fe
new file mode 100644
index 0000000000..b63ef6bacc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/15afdcf2cadb93f56dbe36233d8cd7ea9d2bd6fe
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1650b19093c56a1e86ee192bd9cd8d2266a9e353 b/test/core/end2end/fuzzers/server_fuzzer_corpus/1650b19093c56a1e86ee192bd9cd8d2266a9e353
new file mode 100644
index 0000000000..1aab1987da
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1650b19093c56a1e86ee192bd9cd8d2266a9e353
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/16753235697083ecc45c117287f1d8ce6ad1ad1a b/test/core/end2end/fuzzers/server_fuzzer_corpus/16753235697083ecc45c117287f1d8ce6ad1ad1a
new file mode 100644
index 0000000000..0e4097e57d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/16753235697083ecc45c117287f1d8ce6ad1ad1a
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/17d7c718ec2597353a5dd2c78d6717a3d6aabfae b/test/core/end2end/fuzzers/server_fuzzer_corpus/17d7c718ec2597353a5dd2c78d6717a3d6aabfae
new file mode 100644
index 0000000000..8f5786f06f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/17d7c718ec2597353a5dd2c78d6717a3d6aabfae
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/18d8d274aa7c163fd6d0084d5c25c8623e10c541 b/test/core/end2end/fuzzers/server_fuzzer_corpus/18d8d274aa7c163fd6d0084d5c25c8623e10c541
new file mode 100644
index 0000000000..6c44d1a81b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/18d8d274aa7c163fd6d0084d5c25c8623e10c541
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/18f00b5f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/18f00b5f.bin
new file mode 100644
index 0000000000..a41cbd4b01
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/18f00b5f.bin
@@ -0,0 +1 @@
+PRI * HTTX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1939a9021aba59ea2e49d3d0909e6fdf86ac3f9e b/test/core/end2end/fuzzers/server_fuzzer_corpus/1939a9021aba59ea2e49d3d0909e6fdf86ac3f9e
new file mode 100644
index 0000000000..e5acc977d7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1939a9021aba59ea2e49d3d0909e6fdf86ac3f9e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1a69d5fc.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1a69d5fc.bin
new file mode 100644
index 0000000000..db1c0d6d72
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1a69d5fc.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1aa6897b6eebb8c68c972cc5025b39c7e60c17fe b/test/core/end2end/fuzzers/server_fuzzer_corpus/1aa6897b6eebb8c68c972cc5025b39c7e60c17fe
new file mode 100644
index 0000000000..699279de97
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1aa6897b6eebb8c68c972cc5025b39c7e60c17fe
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1cf17783de9e662f3720847f2d83d86dcdcab500 b/test/core/end2end/fuzzers/server_fuzzer_corpus/1cf17783de9e662f3720847f2d83d86dcdcab500
new file mode 100644
index 0000000000..21a3a65eb5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1cf17783de9e662f3720847f2d83d86dcdcab500
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1cfdde7a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1cfdde7a.bin
new file mode 100644
index 0000000000..61a954d0ac
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1cfdde7a.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1d614f3d6b826f844178a77094bedb534748a362 b/test/core/end2end/fuzzers/server_fuzzer_corpus/1d614f3d6b826f844178a77094bedb534748a362
new file mode 100644
index 0000000000..ece6c2f4d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1d614f3d6b826f844178a77094bedb534748a362
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin
new file mode 100644
index 0000000000..02796cb265
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin
new file mode 100644
index 0000000000..782f21d69b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin
@@ -0,0 +1 @@
+PRI * X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1f992057.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1f992057.bin
new file mode 100644
index 0000000000..c60d1eb4e5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1f992057.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/20fd12d3670571283dc0c5dbb3fc139a8e943790 b/test/core/end2end/fuzzers/server_fuzzer_corpus/20fd12d3670571283dc0c5dbb3fc139a8e943790
new file mode 100644
index 0000000000..1bf164c7c8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/20fd12d3670571283dc0c5dbb3fc139a8e943790
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/21475569.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/21475569.bin
new file mode 100644
index 0000000000..06aecff914
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/21475569.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/218c1b123428a07622570947e9b7cdb48c310ca5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/218c1b123428a07622570947e9b7cdb48c310ca5
new file mode 100644
index 0000000000..d7ec73755f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/218c1b123428a07622570947e9b7cdb48c310ca5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/21a2dcda.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/21a2dcda.bin
new file mode 100644
index 0000000000..92b918f362
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/21a2dcda.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/22ad891a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/22ad891a.bin
new file mode 100644
index 0000000000..edd095a03e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/22ad891a.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2463aea879c5ab49f8409d0e5c062c7e086b034b b/test/core/end2end/fuzzers/server_fuzzer_corpus/2463aea879c5ab49f8409d0e5c062c7e086b034b
new file mode 100644
index 0000000000..aecaacd30e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2463aea879c5ab49f8409d0e5c062c7e086b034b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/24ed80095e58199c52997f174046272f61ce4a8d b/test/core/end2end/fuzzers/server_fuzzer_corpus/24ed80095e58199c52997f174046272f61ce4a8d
new file mode 100644
index 0000000000..a2f7fadc75
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/24ed80095e58199c52997f174046272f61ce4a8d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/25ab638f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/25ab638f.bin
new file mode 100644
index 0000000000..af5a22a48d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/25ab638f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/26048c58bd5f2a94843f6fd1e4ab0be04b232636 b/test/core/end2end/fuzzers/server_fuzzer_corpus/26048c58bd5f2a94843f6fd1e4ab0be04b232636
new file mode 100644
index 0000000000..e87be99eb9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/26048c58bd5f2a94843f6fd1e4ab0be04b232636
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/26870785fd0564f552af4e0ca418738a85b21086 b/test/core/end2end/fuzzers/server_fuzzer_corpus/26870785fd0564f552af4e0ca418738a85b21086
new file mode 100644
index 0000000000..2e53646ca1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/26870785fd0564f552af4e0ca418738a85b21086
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2701d1669c2996c097a74c5255d569615357b916 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2701d1669c2996c097a74c5255d569615357b916
new file mode 100644
index 0000000000..ec7d79230a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2701d1669c2996c097a74c5255d569615357b916
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/27ac2ae2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/27ac2ae2.bin
new file mode 100644
index 0000000000..0daef3f1da
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/27ac2ae2.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2814d70c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2814d70c.bin
new file mode 100644
index 0000000000..500c0709ca
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2814d70c.bin
@@ -0,0 +1 @@
+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/282b6585.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/282b6585.bin
new file mode 100644
index 0000000000..a2cabf6afd
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/282b6585.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2abe64b96e5e72adcf2dcc43444a69d0fb664b66 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2abe64b96e5e72adcf2dcc43444a69d0fb664b66
new file mode 100644
index 0000000000..a5e92ecc5c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2abe64b96e5e72adcf2dcc43444a69d0fb664b66
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2ad6cedd32cd646ba8e25226c7c13a107c1d6447 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2ad6cedd32cd646ba8e25226c7c13a107c1d6447
new file mode 100644
index 0000000000..da6f56962d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2ad6cedd32cd646ba8e25226c7c13a107c1d6447
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2b14c6e618ec95754ea7e24fe6bc5a3a97df6897 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b14c6e618ec95754ea7e24fe6bc5a3a97df6897
new file mode 100644
index 0000000000..3c79631396
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b14c6e618ec95754ea7e24fe6bc5a3a97df6897
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2b40aa21723c7e67e92e74a3083df008461d591c b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b40aa21723c7e67e92e74a3083df008461d591c
new file mode 100644
index 0000000000..f7e287773e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b40aa21723c7e67e92e74a3083df008461d591c
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2bf69fe6b40734cc3f0abdd765757809b14b0b88 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2bf69fe6b40734cc3f0abdd765757809b14b0b88
new file mode 100644
index 0000000000..391e89392c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2bf69fe6b40734cc3f0abdd765757809b14b0b88
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin
new file mode 100644
index 0000000000..5f96b344ae
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2cc6d1f3ee8933518e91b8410781fa6e105b3a15 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2cc6d1f3ee8933518e91b8410781fa6e105b3a15
new file mode 100644
index 0000000000..da23fe139b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2cc6d1f3ee8933518e91b8410781fa6e105b3a15
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin
new file mode 100644
index 0000000000..20410999b5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin
@@ -0,0 +1,3 @@
+PRI * HTTP/2.0

+

+SX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2f20e2decd09b6f211a5469c67efbada355e6c04 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2f20e2decd09b6f211a5469c67efbada355e6c04
new file mode 100644
index 0000000000..19ce52cf0d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2f20e2decd09b6f211a5469c67efbada355e6c04
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2f3b1cd6780fe475f76f17e9e36541963d993165 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2f3b1cd6780fe475f76f17e9e36541963d993165
new file mode 100644
index 0000000000..bf0334b16e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2f3b1cd6780fe475f76f17e9e36541963d993165
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2fb017cd4c34f4af183d03c4a219d2bb36ee2dd6 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2fb017cd4c34f4af183d03c4a219d2bb36ee2dd6
new file mode 100644
index 0000000000..df31fcfc99
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2fb017cd4c34f4af183d03c4a219d2bb36ee2dd6
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/30bba77d0f420c4f454011476f3c94e31c50c161 b/test/core/end2end/fuzzers/server_fuzzer_corpus/30bba77d0f420c4f454011476f3c94e31c50c161
new file mode 100644
index 0000000000..f172eb7ad1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/30bba77d0f420c4f454011476f3c94e31c50c161
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3224e6cd.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3224e6cd.bin
new file mode 100644
index 0000000000..b1bfc23f45
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3224e6cd.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/326ec4d5.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/326ec4d5.bin
new file mode 100644
index 0000000000..98c7665694
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/326ec4d5.bin
@@ -0,0 +1 @@
+PRIX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/32b11997.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/32b11997.bin
new file mode 100644
index 0000000000..f19bc29579
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/32b11997.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/32cecacca27b249bd764f852168036c5f962bd16 b/test/core/end2end/fuzzers/server_fuzzer_corpus/32cecacca27b249bd764f852168036c5f962bd16
new file mode 100644
index 0000000000..38d8c2aeda
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/32cecacca27b249bd764f852168036c5f962bd16
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/330ad4b6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/330ad4b6.bin
new file mode 100644
index 0000000000..d4b63bae60
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/330ad4b6.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/33b4cf1ac251f0ba0c014005ef8207afe1dea623 b/test/core/end2end/fuzzers/server_fuzzer_corpus/33b4cf1ac251f0ba0c014005ef8207afe1dea623
new file mode 100644
index 0000000000..4b297d4693
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/33b4cf1ac251f0ba0c014005ef8207afe1dea623
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/33e2ecd5c9bbc1f1dcab29d00195e0ab6d04642d b/test/core/end2end/fuzzers/server_fuzzer_corpus/33e2ecd5c9bbc1f1dcab29d00195e0ab6d04642d
new file mode 100644
index 0000000000..cc2058d110
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/33e2ecd5c9bbc1f1dcab29d00195e0ab6d04642d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/340b032d39e2b212828a2bd1a97e2b6b81dcd41b b/test/core/end2end/fuzzers/server_fuzzer_corpus/340b032d39e2b212828a2bd1a97e2b6b81dcd41b
new file mode 100644
index 0000000000..d4240cd504
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/340b032d39e2b212828a2bd1a97e2b6b81dcd41b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/34bba9e4.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/34bba9e4.bin
new file mode 100644
index 0000000000..1c77a38658
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/34bba9e4.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/374262a5acf9cde1f480e7b7254c788e1936a4de b/test/core/end2end/fuzzers/server_fuzzer_corpus/374262a5acf9cde1f480e7b7254c788e1936a4de
new file mode 100644
index 0000000000..229f071207
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/374262a5acf9cde1f480e7b7254c788e1936a4de
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/37ec9df8.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/37ec9df8.bin
new file mode 100644
index 0000000000..5400eb5082
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/37ec9df8.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/39ea47bb.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/39ea47bb.bin
new file mode 100644
index 0000000000..13997e01f4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/39ea47bb.bin
@@ -0,0 +1 @@
+PRI * HTTP/2.X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3aa82376296ab5a33f2921d7705b75b78b683c2d b/test/core/end2end/fuzzers/server_fuzzer_corpus/3aa82376296ab5a33f2921d7705b75b78b683c2d
new file mode 100644
index 0000000000..112fbd18cb
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3aa82376296ab5a33f2921d7705b75b78b683c2d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3ca5da2f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3ca5da2f.bin
new file mode 100644
index 0000000000..5b46240494
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3ca5da2f.bin
@@ -0,0 +1,3 @@
+PRI * HTTP/2.0

+

+SMX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3dc665f93db294b9ccb8fcec94bcc2a91f3a04e7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/3dc665f93db294b9ccb8fcec94bcc2a91f3a04e7
new file mode 100644
index 0000000000..efde0d9a86
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3dc665f93db294b9ccb8fcec94bcc2a91f3a04e7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3de41f3f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3de41f3f.bin
new file mode 100644
index 0000000000..262ed24e5b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3de41f3f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3e2077a4fd2def7b11e618d46245d0aa85824317 b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e2077a4fd2def7b11e618d46245d0aa85824317
new file mode 100644
index 0000000000..69263de472
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e2077a4fd2def7b11e618d46245d0aa85824317
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3e3ae35a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e3ae35a.bin
new file mode 100644
index 0000000000..49c7897b71
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e3ae35a.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3e787760.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e787760.bin
new file mode 100644
index 0000000000..3b8a1ed6b8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e787760.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3f3069cf26f761366f947e025f7049254d555e7f b/test/core/end2end/fuzzers/server_fuzzer_corpus/3f3069cf26f761366f947e025f7049254d555e7f
new file mode 100644
index 0000000000..cd907fe970
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/3f3069cf26f761366f947e025f7049254d555e7f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/407607d2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/407607d2.bin
new file mode 100644
index 0000000000..8e48939217
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/407607d2.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/40af8d589c76d7912bec06c2ae1f2466065018e7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/40af8d589c76d7912bec06c2ae1f2466065018e7
new file mode 100644
index 0000000000..c72af8a7e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/40af8d589c76d7912bec06c2ae1f2466065018e7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a b/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a
new file mode 100644
index 0000000000..2d72c37193
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin
new file mode 100644
index 0000000000..7469434155
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin
new file mode 100644
index 0000000000..111a2b4505
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin
@@ -0,0 +1 @@
+PRI * HTTP/X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin
new file mode 100644
index 0000000000..bfdd460521
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/42b0afca.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/42b0afca.bin
new file mode 100644
index 0000000000..e01fec2276
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/42b0afca.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070 b/test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070
new file mode 100644
index 0000000000..2c7f585954
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/44f342a6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/44f342a6.bin
new file mode 100644
index 0000000000..1e7e47bf20
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/44f342a6.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4558ddeb.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/4558ddeb.bin
new file mode 100644
index 0000000000..7b9f09f815
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4558ddeb.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/459c0bf6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/459c0bf6.bin
new file mode 100644
index 0000000000..fcb842e502
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/459c0bf6.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/468cf8bf3e31e1013c7c6d2288baac47ff90aa63 b/test/core/end2end/fuzzers/server_fuzzer_corpus/468cf8bf3e31e1013c7c6d2288baac47ff90aa63
new file mode 100644
index 0000000000..71cf9ad202
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/468cf8bf3e31e1013c7c6d2288baac47ff90aa63
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4aa883d0.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/4aa883d0.bin
new file mode 100644
index 0000000000..2657149b0d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4aa883d0.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4b7bcb4ae6c0222a1a24d1fb1a5d96519750ca5e b/test/core/end2end/fuzzers/server_fuzzer_corpus/4b7bcb4ae6c0222a1a24d1fb1a5d96519750ca5e
new file mode 100644
index 0000000000..f6168fd609
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4b7bcb4ae6c0222a1a24d1fb1a5d96519750ca5e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b b/test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b
new file mode 100644
index 0000000000..5ef77a0084
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin
new file mode 100644
index 0000000000..7e5544c745
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin
@@ -0,0 +1 @@
+PRI *X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4db3d4075ed27f2a2311f85dd1d6df028cc5d083 b/test/core/end2end/fuzzers/server_fuzzer_corpus/4db3d4075ed27f2a2311f85dd1d6df028cc5d083
new file mode 100644
index 0000000000..a0843593a7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4db3d4075ed27f2a2311f85dd1d6df028cc5d083
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4eb269c3.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/4eb269c3.bin
new file mode 100644
index 0000000000..cf6e9d434f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4eb269c3.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4ecfe1be695df0d2489dddb52da8bcdeb6ed779d b/test/core/end2end/fuzzers/server_fuzzer_corpus/4ecfe1be695df0d2489dddb52da8bcdeb6ed779d
new file mode 100644
index 0000000000..91eb6a8c1f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4ecfe1be695df0d2489dddb52da8bcdeb6ed779d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4f97bd97ab5dc6b4c0f62f8459be8a9593dc83b3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/4f97bd97ab5dc6b4c0f62f8459be8a9593dc83b3
new file mode 100644
index 0000000000..bb5688e613
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4f97bd97ab5dc6b4c0f62f8459be8a9593dc83b3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4ff50e49865768323f94116bd98d2314455273cc b/test/core/end2end/fuzzers/server_fuzzer_corpus/4ff50e49865768323f94116bd98d2314455273cc
new file mode 100644
index 0000000000..01cd4a05d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/4ff50e49865768323f94116bd98d2314455273cc
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/508def44e4d60f237f18a40d7058e58a752a74e1 b/test/core/end2end/fuzzers/server_fuzzer_corpus/508def44e4d60f237f18a40d7058e58a752a74e1
new file mode 100644
index 0000000000..ab378be4ac
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/508def44e4d60f237f18a40d7058e58a752a74e1
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/51a1abd1.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/51a1abd1.bin
new file mode 100644
index 0000000000..dbf6a085aa
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/51a1abd1.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/52b5478161de7b2eba0f7bfbc29aea985c8d9ee7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/52b5478161de7b2eba0f7bfbc29aea985c8d9ee7
new file mode 100644
index 0000000000..943d1629d2
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/52b5478161de7b2eba0f7bfbc29aea985c8d9ee7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/52ecfedca3b2b26e6999b6afc846f3dbd5d35130 b/test/core/end2end/fuzzers/server_fuzzer_corpus/52ecfedca3b2b26e6999b6afc846f3dbd5d35130
new file mode 100644
index 0000000000..58d03789f9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/52ecfedca3b2b26e6999b6afc846f3dbd5d35130
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/53d18398c0d484de00afd8d583fe802d55d4da44 b/test/core/end2end/fuzzers/server_fuzzer_corpus/53d18398c0d484de00afd8d583fe802d55d4da44
new file mode 100644
index 0000000000..e337a1da3f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/53d18398c0d484de00afd8d583fe802d55d4da44
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin
new file mode 100644
index 0000000000..a6595251d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin
@@ -0,0 +1,5 @@
+PRI * HTTP/2.0

+

+SM

+

+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin
new file mode 100644
index 0000000000..18f0a366f6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5413b531fe06923ddf2c9e3eb958769374bc2445 b/test/core/end2end/fuzzers/server_fuzzer_corpus/5413b531fe06923ddf2c9e3eb958769374bc2445
new file mode 100644
index 0000000000..cf83d57b67
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5413b531fe06923ddf2c9e3eb958769374bc2445
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5429f0da.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5429f0da.bin
new file mode 100644
index 0000000000..001c62c9a2
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5429f0da.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5435005f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5435005f.bin
new file mode 100644
index 0000000000..999a65688c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5435005f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/546367bfdd2b9464fbfe5d74f55d8cd220accbab b/test/core/end2end/fuzzers/server_fuzzer_corpus/546367bfdd2b9464fbfe5d74f55d8cd220accbab
new file mode 100644
index 0000000000..d2711d9104
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/546367bfdd2b9464fbfe5d74f55d8cd220accbab
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin
new file mode 100644
index 0000000000..24b882d521
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin
@@ -0,0 +1,4 @@
+PRI * HTTP/2.0

+

+SM

+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34 b/test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34
new file mode 100644
index 0000000000..adbf92fe78
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34
@@ -0,0 +1 @@
+PR
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin
new file mode 100644
index 0000000000..0963601d51
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5780565e.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5780565e.bin
new file mode 100644
index 0000000000..53057ae34e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5780565e.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/57918260.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/57918260.bin
new file mode 100644
index 0000000000..2f68d68af9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/57918260.bin
@@ -0,0 +1 @@
+PRI * HTTPX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5841d898d2cd804f2d6373538e341dfba8a4dfab b/test/core/end2end/fuzzers/server_fuzzer_corpus/5841d898d2cd804f2d6373538e341dfba8a4dfab
new file mode 100644
index 0000000000..e17f047eab
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5841d898d2cd804f2d6373538e341dfba8a4dfab
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin
new file mode 100644
index 0000000000..696be2b5f3
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/597fdab5.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/597fdab5.bin
new file mode 100644
index 0000000000..465b56942b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/597fdab5.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/59ce7091c00075943d79e857c01ad1af5f38c78e b/test/core/end2end/fuzzers/server_fuzzer_corpus/59ce7091c00075943d79e857c01ad1af5f38c78e
new file mode 100644
index 0000000000..848f8ed93b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/59ce7091c00075943d79e857c01ad1af5f38c78e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/59dcfde4.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/59dcfde4.bin
new file mode 100644
index 0000000000..e90e9a66e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/59dcfde4.bin
@@ -0,0 +1,3 @@
+PRI * HTTP/2.0

+

+SM
X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5ac92c4a7fb476393f8275fe4b79a2b13e3bcad9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/5ac92c4a7fb476393f8275fe4b79a2b13e3bcad9
new file mode 100644
index 0000000000..fa9842c16c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5ac92c4a7fb476393f8275fe4b79a2b13e3bcad9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5d43ac923d7607a16e3d7bf8b838f52622871251 b/test/core/end2end/fuzzers/server_fuzzer_corpus/5d43ac923d7607a16e3d7bf8b838f52622871251
new file mode 100644
index 0000000000..afaeca46cc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5d43ac923d7607a16e3d7bf8b838f52622871251
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin
new file mode 100644
index 0000000000..8c2ec2aa43
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5e2508e15c79fbe9c2e6c1a393b490356a17efbc b/test/core/end2end/fuzzers/server_fuzzer_corpus/5e2508e15c79fbe9c2e6c1a393b490356a17efbc
new file mode 100644
index 0000000000..c455479747
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5e2508e15c79fbe9c2e6c1a393b490356a17efbc
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin
new file mode 100644
index 0000000000..47f2d2b559
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin
@@ -0,0 +1,2 @@
+PRI * HTTP/2.0

+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4
new file mode 100644
index 0000000000..9026c102f4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/62d05f336176a10a2c339c04d818f23b6e9a2637 b/test/core/end2end/fuzzers/server_fuzzer_corpus/62d05f336176a10a2c339c04d818f23b6e9a2637
new file mode 100644
index 0000000000..ab8ec8fff6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/62d05f336176a10a2c339c04d818f23b6e9a2637
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6499e2db.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/6499e2db.bin
new file mode 100644
index 0000000000..9187c9447e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6499e2db.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/64cdbb31d5eda779d07885fa7881812db7800c05 b/test/core/end2end/fuzzers/server_fuzzer_corpus/64cdbb31d5eda779d07885fa7881812db7800c05
new file mode 100644
index 0000000000..1cacb86343
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/64cdbb31d5eda779d07885fa7881812db7800c05
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/65077d2946cfb822cf92c9dfc44517a34589f277 b/test/core/end2end/fuzzers/server_fuzzer_corpus/65077d2946cfb822cf92c9dfc44517a34589f277
new file mode 100644
index 0000000000..094c4e7447
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/65077d2946cfb822cf92c9dfc44517a34589f277
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/65099066.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/65099066.bin
new file mode 100644
index 0000000000..bf5806d1b9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/65099066.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/652bfdce.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/652bfdce.bin
new file mode 100644
index 0000000000..49d0f7f5d5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/652bfdce.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/65d5ae42e6acb429459a1e1a5fb35f09c0f95de2 b/test/core/end2end/fuzzers/server_fuzzer_corpus/65d5ae42e6acb429459a1e1a5fb35f09c0f95de2
new file mode 100644
index 0000000000..b56d59e098
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/65d5ae42e6acb429459a1e1a5fb35f09c0f95de2
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/65fd6cb3058ee0baae854cc7859b7c0c1e1c1166 b/test/core/end2end/fuzzers/server_fuzzer_corpus/65fd6cb3058ee0baae854cc7859b7c0c1e1c1166
new file mode 100644
index 0000000000..34c9103f66
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/65fd6cb3058ee0baae854cc7859b7c0c1e1c1166
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6652f7be83a876214affc3f230040757f7db4ea8 b/test/core/end2end/fuzzers/server_fuzzer_corpus/6652f7be83a876214affc3f230040757f7db4ea8
new file mode 100644
index 0000000000..c552bf822f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6652f7be83a876214affc3f230040757f7db4ea8
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/67b04816.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/67b04816.bin
new file mode 100644
index 0000000000..5387e6ed68
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/67b04816.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/67ebf074c7f928c4fe32fef44e5c958cf441c93c b/test/core/end2end/fuzzers/server_fuzzer_corpus/67ebf074c7f928c4fe32fef44e5c958cf441c93c
new file mode 100644
index 0000000000..59e952e1c8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/67ebf074c7f928c4fe32fef44e5c958cf441c93c
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/68f564fd8064233897ff704b5955b33a2e29293a b/test/core/end2end/fuzzers/server_fuzzer_corpus/68f564fd8064233897ff704b5955b33a2e29293a
new file mode 100644
index 0000000000..291e9c4a2b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/68f564fd8064233897ff704b5955b33a2e29293a
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/69891e9f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/69891e9f.bin
new file mode 100644
index 0000000000..0ba2abc551
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/69891e9f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6c5bb78b51cf5006c92258292de19550985c00ba b/test/core/end2end/fuzzers/server_fuzzer_corpus/6c5bb78b51cf5006c92258292de19550985c00ba
new file mode 100644
index 0000000000..d1af2812d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6c5bb78b51cf5006c92258292de19550985c00ba
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6dc4455c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/6dc4455c.bin
new file mode 100644
index 0000000000..7ce8938268
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6dc4455c.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6e050e98.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/6e050e98.bin
new file mode 100644
index 0000000000..0fbf1caacc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6e050e98.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6f3bd9f33ca05bebe3811f7b3ae6ed112e1e45b9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/6f3bd9f33ca05bebe3811f7b3ae6ed112e1e45b9
new file mode 100644
index 0000000000..4069f677a8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6f3bd9f33ca05bebe3811f7b3ae6ed112e1e45b9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/6f9d75e1af7ae7010d32872da888a582a25fddb4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/6f9d75e1af7ae7010d32872da888a582a25fddb4
new file mode 100644
index 0000000000..313d3b5fbe
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/6f9d75e1af7ae7010d32872da888a582a25fddb4
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/70ebe7f32c63ca8940017eb83e6db4d8b39ee03c b/test/core/end2end/fuzzers/server_fuzzer_corpus/70ebe7f32c63ca8940017eb83e6db4d8b39ee03c
new file mode 100644
index 0000000000..0cd6faae06
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/70ebe7f32c63ca8940017eb83e6db4d8b39ee03c
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/712300b98afdb5f0d15c657c13cea76841164b13 b/test/core/end2end/fuzzers/server_fuzzer_corpus/712300b98afdb5f0d15c657c13cea76841164b13
new file mode 100644
index 0000000000..179133dc1a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/712300b98afdb5f0d15c657c13cea76841164b13
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/71ab07577909ca4b766f8ea0c6b8ec2bc395fc66 b/test/core/end2end/fuzzers/server_fuzzer_corpus/71ab07577909ca4b766f8ea0c6b8ec2bc395fc66
new file mode 100644
index 0000000000..8705aec475
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/71ab07577909ca4b766f8ea0c6b8ec2bc395fc66
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/72296cf9e1052ced4b60e2053aba9f1a569144e9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/72296cf9e1052ced4b60e2053aba9f1a569144e9
new file mode 100644
index 0000000000..861524b55d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/72296cf9e1052ced4b60e2053aba9f1a569144e9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7342b3febb07521e39abdf4ee976d16199d51239 b/test/core/end2end/fuzzers/server_fuzzer_corpus/7342b3febb07521e39abdf4ee976d16199d51239
new file mode 100644
index 0000000000..8d69e992e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7342b3febb07521e39abdf4ee976d16199d51239
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/746715fe.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/746715fe.bin
new file mode 100644
index 0000000000..8ede09c6df
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/746715fe.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/76294f12a5974e9f87d8f092d0df5429cf6c0466 b/test/core/end2end/fuzzers/server_fuzzer_corpus/76294f12a5974e9f87d8f092d0df5429cf6c0466
new file mode 100644
index 0000000000..80206a094a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/76294f12a5974e9f87d8f092d0df5429cf6c0466
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/769f5d079151d1b5cab388c47a74f3c297c18d58 b/test/core/end2end/fuzzers/server_fuzzer_corpus/769f5d079151d1b5cab388c47a74f3c297c18d58
new file mode 100644
index 0000000000..9b79b6e76a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/769f5d079151d1b5cab388c47a74f3c297c18d58
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7839f12a8410a73d66e191cb5183d36d09a375e8 b/test/core/end2end/fuzzers/server_fuzzer_corpus/7839f12a8410a73d66e191cb5183d36d09a375e8
new file mode 100644
index 0000000000..b03b904e1d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7839f12a8410a73d66e191cb5183d36d09a375e8
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7b453adcb9c4bf31dbc448ff32c2bc90ebcbdf0f b/test/core/end2end/fuzzers/server_fuzzer_corpus/7b453adcb9c4bf31dbc448ff32c2bc90ebcbdf0f
new file mode 100644
index 0000000000..effab960aa
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7b453adcb9c4bf31dbc448ff32c2bc90ebcbdf0f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7ddfac7d7845b424bf670070781ca6ff8586c63b b/test/core/end2end/fuzzers/server_fuzzer_corpus/7ddfac7d7845b424bf670070781ca6ff8586c63b
new file mode 100644
index 0000000000..027cb69617
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7ddfac7d7845b424bf670070781ca6ff8586c63b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7f15bbce.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/7f15bbce.bin
new file mode 100644
index 0000000000..eb23e5a447
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7f15bbce.bin
@@ -0,0 +1 @@
+PRI * HX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/7ffd05db.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/7ffd05db.bin
new file mode 100644
index 0000000000..ed01ab25f4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/7ffd05db.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/81fb19dfcb3c3a18fd9e7c177356479503e75e6f b/test/core/end2end/fuzzers/server_fuzzer_corpus/81fb19dfcb3c3a18fd9e7c177356479503e75e6f
new file mode 100644
index 0000000000..3834be4679
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/81fb19dfcb3c3a18fd9e7c177356479503e75e6f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/82dda42ddde662192ebaa96788945b7673bb486b b/test/core/end2end/fuzzers/server_fuzzer_corpus/82dda42ddde662192ebaa96788945b7673bb486b
new file mode 100644
index 0000000000..4b6e82f8e3
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/82dda42ddde662192ebaa96788945b7673bb486b
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8338ebee.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/8338ebee.bin
new file mode 100644
index 0000000000..7e6c62ce4d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8338ebee.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/86a19d13cc65790696299c819cac17b14e337647 b/test/core/end2end/fuzzers/server_fuzzer_corpus/86a19d13cc65790696299c819cac17b14e337647
new file mode 100644
index 0000000000..25ecc53a41
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/86a19d13cc65790696299c819cac17b14e337647
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/86e6dbf2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/86e6dbf2.bin
new file mode 100644
index 0000000000..b77356714a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/86e6dbf2.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/88e1329b.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/88e1329b.bin
new file mode 100644
index 0000000000..7464d0e4f6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/88e1329b.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8b186384.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/8b186384.bin
new file mode 100644
index 0000000000..cb04b30c8e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8b186384.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8c04817a75fddd71f13779f2ad5b994f45c333a2 b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c04817a75fddd71f13779f2ad5b994f45c333a2
new file mode 100644
index 0000000000..97eb4e31c6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c04817a75fddd71f13779f2ad5b994f45c333a2
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8c72c3f35e9b9fd168ad9024c953a703f33ae3c1 b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c72c3f35e9b9fd168ad9024c953a703f33ae3c1
new file mode 100644
index 0000000000..8323a67245
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c72c3f35e9b9fd168ad9024c953a703f33ae3c1
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8c760938a2a72fa92b27e00e05005e2e4c429359 b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c760938a2a72fa92b27e00e05005e2e4c429359
new file mode 100644
index 0000000000..3accdc06c5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8c760938a2a72fa92b27e00e05005e2e4c429359
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8da521d9.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/8da521d9.bin
new file mode 100644
index 0000000000..122486a89d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8da521d9.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8de81717.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/8de81717.bin
new file mode 100644
index 0000000000..b16f546df1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8de81717.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/8ec00f45afb097066f47d0bad256a8b856b1efe8 b/test/core/end2end/fuzzers/server_fuzzer_corpus/8ec00f45afb097066f47d0bad256a8b856b1efe8
new file mode 100644
index 0000000000..6561c1c440
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/8ec00f45afb097066f47d0bad256a8b856b1efe8
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/90224b8e.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/90224b8e.bin
new file mode 100644
index 0000000000..f6606019d2
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/90224b8e.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/90240c7c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/90240c7c.bin
new file mode 100644
index 0000000000..365bf2deb5
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/90240c7c.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9099ac4e83f6460c80b5557c87f653e4c65aa091 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9099ac4e83f6460c80b5557c87f653e4c65aa091
new file mode 100644
index 0000000000..4136f9eb37
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9099ac4e83f6460c80b5557c87f653e4c65aa091
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/914ed07570b6441365a3636d05850f7316c7f2a8 b/test/core/end2end/fuzzers/server_fuzzer_corpus/914ed07570b6441365a3636d05850f7316c7f2a8
new file mode 100644
index 0000000000..5af7800e8a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/914ed07570b6441365a3636d05850f7316c7f2a8
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/916b825da0ffc46fdb6120b1044e98ae158fce70 b/test/core/end2end/fuzzers/server_fuzzer_corpus/916b825da0ffc46fdb6120b1044e98ae158fce70
new file mode 100644
index 0000000000..dc54a58d4f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/916b825da0ffc46fdb6120b1044e98ae158fce70
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/93beeba2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/93beeba2.bin
new file mode 100644
index 0000000000..dc2c3a0667
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/93beeba2.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/93c3ffcb7e3bcb5ed7e37a5b3dfb97b43ca42718 b/test/core/end2end/fuzzers/server_fuzzer_corpus/93c3ffcb7e3bcb5ed7e37a5b3dfb97b43ca42718
new file mode 100644
index 0000000000..00329edec9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/93c3ffcb7e3bcb5ed7e37a5b3dfb97b43ca42718
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9540d3ad3fa75bfb95c0d57cefd737611c7069a5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9540d3ad3fa75bfb95c0d57cefd737611c7069a5
new file mode 100644
index 0000000000..fc338c15ec
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9540d3ad3fa75bfb95c0d57cefd737611c7069a5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/954337ef.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/954337ef.bin
new file mode 100644
index 0000000000..782e59db70
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/954337ef.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/95d25ba2e190fafa2b3ca1e1c467b9ef64868962 b/test/core/end2end/fuzzers/server_fuzzer_corpus/95d25ba2e190fafa2b3ca1e1c467b9ef64868962
new file mode 100644
index 0000000000..ee35bc7aa4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/95d25ba2e190fafa2b3ca1e1c467b9ef64868962
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9764015f89a0b7a59f3b5359b0a037b38d6e39d7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9764015f89a0b7a59f3b5359b0a037b38d6e39d7
new file mode 100644
index 0000000000..9b4a436b32
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9764015f89a0b7a59f3b5359b0a037b38d6e39d7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/97aed4bd.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/97aed4bd.bin
new file mode 100644
index 0000000000..dbe2507024
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/97aed4bd.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/986c9ca7db83b2cddbae2a0db2dca87f52277074 b/test/core/end2end/fuzzers/server_fuzzer_corpus/986c9ca7db83b2cddbae2a0db2dca87f52277074
new file mode 100644
index 0000000000..6ba16352c1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/986c9ca7db83b2cddbae2a0db2dca87f52277074
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9953eb28aa1ed661612a4710a9d16a15de4ae353 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9953eb28aa1ed661612a4710a9d16a15de4ae353
new file mode 100644
index 0000000000..837c3e3ca8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9953eb28aa1ed661612a4710a9d16a15de4ae353
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9a176b6f7e0dc5f681a1788d8954f76fabd08cad b/test/core/end2end/fuzzers/server_fuzzer_corpus/9a176b6f7e0dc5f681a1788d8954f76fabd08cad
new file mode 100644
index 0000000000..ef52cd7c81
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9a176b6f7e0dc5f681a1788d8954f76fabd08cad
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9a6963b0d0fcb0e91a31748c47c6f0e1e842fea9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9a6963b0d0fcb0e91a31748c47c6f0e1e842fea9
new file mode 100644
index 0000000000..e8fef7f1cf
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9a6963b0d0fcb0e91a31748c47c6f0e1e842fea9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9bf7553a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/9bf7553a.bin
new file mode 100644
index 0000000000..e612aec940
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9bf7553a.bin
@@ -0,0 +1 @@
+PRX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/9d2d18fce18c790035d8f67ed798703bdda0a949 b/test/core/end2end/fuzzers/server_fuzzer_corpus/9d2d18fce18c790035d8f67ed798703bdda0a949
new file mode 100644
index 0000000000..3799081273
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/9d2d18fce18c790035d8f67ed798703bdda0a949
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a112d484b70e778835fcd478fd651828720791e5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a112d484b70e778835fcd478fd651828720791e5
new file mode 100644
index 0000000000..47c71a3364
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a112d484b70e778835fcd478fd651828720791e5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a24bf2dc.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a24bf2dc.bin
new file mode 100644
index 0000000000..1e5b421dd4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a24bf2dc.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a32be0653ccc65463445b4aaf24a7a1164d5c642 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a32be0653ccc65463445b4aaf24a7a1164d5c642
new file mode 100644
index 0000000000..a4c4bf3a44
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a32be0653ccc65463445b4aaf24a7a1164d5c642
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a357658d.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a357658d.bin
new file mode 100644
index 0000000000..255103fca9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a357658d.bin
@@ -0,0 +1 @@
+PX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a3a2b1af.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a3a2b1af.bin
new file mode 100644
index 0000000000..23086f5f7d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a3a2b1af.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a5348197.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a5348197.bin
new file mode 100644
index 0000000000..d8a73f33ea
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a5348197.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a5cc3762cb2b2cac316c60ddee794016057fb4ff b/test/core/end2end/fuzzers/server_fuzzer_corpus/a5cc3762cb2b2cac316c60ddee794016057fb4ff
new file mode 100644
index 0000000000..c9105a67ec
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a5cc3762cb2b2cac316c60ddee794016057fb4ff
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a7e64803.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a7e64803.bin
new file mode 100644
index 0000000000..e40616623f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a7e64803.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a8d229374635fa6f2a75ca1669892e1bc244e719 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a8d229374635fa6f2a75ca1669892e1bc244e719
new file mode 100644
index 0000000000..f40ea15bc7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a8d229374635fa6f2a75ca1669892e1bc244e719
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a8f2345b2c949e9e32a434c99accf771f405eb65 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a8f2345b2c949e9e32a434c99accf771f405eb65
new file mode 100644
index 0000000000..a5d1315732
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a8f2345b2c949e9e32a434c99accf771f405eb65
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a9463428cdc47d37efb6e3c5633d1e5e78911f16 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9463428cdc47d37efb6e3c5633d1e5e78911f16
new file mode 100644
index 0000000000..5cb8323a90
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9463428cdc47d37efb6e3c5633d1e5e78911f16
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a9966f7181d08f6a9ff8158736ad77a285d743a6 b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9966f7181d08f6a9ff8158736ad77a285d743a6
new file mode 100644
index 0000000000..f692fa18b2
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9966f7181d08f6a9ff8158736ad77a285d743a6
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/a9e22d93.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9e22d93.bin
new file mode 100644
index 0000000000..f3ef55b14c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/a9e22d93.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/aa3c8974.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa3c8974.bin
new file mode 100644
index 0000000000..9998126fce
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa3c8974.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/aa825693.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa825693.bin
new file mode 100644
index 0000000000..4a68f21d18
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa825693.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/aa8729d7.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa8729d7.bin
new file mode 100644
index 0000000000..2f4e4782d8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/aa8729d7.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/ad810f7f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/ad810f7f.bin
new file mode 100644
index 0000000000..7761e5216e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/ad810f7f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/aedefcd9bd7fc10b7bf60372da54c43e953523bd b/test/core/end2end/fuzzers/server_fuzzer_corpus/aedefcd9bd7fc10b7bf60372da54c43e953523bd
new file mode 100644
index 0000000000..f93d485f9f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/aedefcd9bd7fc10b7bf60372da54c43e953523bd
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/aefcbc29f2caea5038cda4dbc927cdadd9b844c4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/aefcbc29f2caea5038cda4dbc927cdadd9b844c4
new file mode 100644
index 0000000000..a95b626ec7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/aefcbc29f2caea5038cda4dbc927cdadd9b844c4
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b06ce623.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b06ce623.bin
new file mode 100644
index 0000000000..63a9a8c714
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b06ce623.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b1128694.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b1128694.bin
new file mode 100644
index 0000000000..82aa699e0d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b1128694.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b220d23a13d98d4815b1f7a3e4fe7dd8672b1c83 b/test/core/end2end/fuzzers/server_fuzzer_corpus/b220d23a13d98d4815b1f7a3e4fe7dd8672b1c83
new file mode 100644
index 0000000000..dffb6073f1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b220d23a13d98d4815b1f7a3e4fe7dd8672b1c83
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b28959dd.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b28959dd.bin
new file mode 100644
index 0000000000..42522780a1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b28959dd.bin
@@ -0,0 +1 @@
+PRI * HTTP/2.0X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b431df13.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b431df13.bin
new file mode 100644
index 0000000000..a1a1842af9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b431df13.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b5acaa52.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b5acaa52.bin
new file mode 100644
index 0000000000..ea99ae78be
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b5acaa52.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b7ce4a4f6eea20c0b83d9f7fa8406a0730ee0040 b/test/core/end2end/fuzzers/server_fuzzer_corpus/b7ce4a4f6eea20c0b83d9f7fa8406a0730ee0040
new file mode 100644
index 0000000000..cca0014f8e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b7ce4a4f6eea20c0b83d9f7fa8406a0730ee0040
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b829143b.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b829143b.bin
new file mode 100644
index 0000000000..b3e88f07d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b829143b.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b887097732b9c30719f6c7ea7a7cbac531512a31 b/test/core/end2end/fuzzers/server_fuzzer_corpus/b887097732b9c30719f6c7ea7a7cbac531512a31
new file mode 100644
index 0000000000..3cee5d4396
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b887097732b9c30719f6c7ea7a7cbac531512a31
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/b924c842.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/b924c842.bin
new file mode 100644
index 0000000000..05f8de1044
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/b924c842.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/bad4f467.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/bad4f467.bin
new file mode 100644
index 0000000000..068e1ce182
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/bad4f467.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/bd63e44a3b004e7ed471c2367c3efae2c58a676d b/test/core/end2end/fuzzers/server_fuzzer_corpus/bd63e44a3b004e7ed471c2367c3efae2c58a676d
new file mode 100644
index 0000000000..e66fdcbc8e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/bd63e44a3b004e7ed471c2367c3efae2c58a676d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/be9b6e78.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/be9b6e78.bin
new file mode 100644
index 0000000000..27e9ebc7dc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/be9b6e78.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/bf5e21c32becb5839deeb81e9174cf6478a25473 b/test/core/end2end/fuzzers/server_fuzzer_corpus/bf5e21c32becb5839deeb81e9174cf6478a25473
new file mode 100644
index 0000000000..c26cef3d25
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/bf5e21c32becb5839deeb81e9174cf6478a25473
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/bfb55acd5b66521eb5bd8ce6b57b3b6895883675 b/test/core/end2end/fuzzers/server_fuzzer_corpus/bfb55acd5b66521eb5bd8ce6b57b3b6895883675
new file mode 100644
index 0000000000..94fb6a9f10
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/bfb55acd5b66521eb5bd8ce6b57b3b6895883675
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/bfcbffa9.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/bfcbffa9.bin
new file mode 100644
index 0000000000..a571ff3c2f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/bfcbffa9.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c004455e9d60bc2fff094e79cd0b38507023e018 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c004455e9d60bc2fff094e79cd0b38507023e018
new file mode 100644
index 0000000000..41ddff951d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c004455e9d60bc2fff094e79cd0b38507023e018
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c039ac9a5a570f8fd9064df9320890b885edf9c3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c039ac9a5a570f8fd9064df9320890b885edf9c3
new file mode 100644
index 0000000000..dbc94052f1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c039ac9a5a570f8fd9064df9320890b885edf9c3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c1188b44.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c1188b44.bin
new file mode 100644
index 0000000000..bbc80e9997
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c1188b44.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c12835aa9f3513d3f7179ee4f9976292713f7cb9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c12835aa9f3513d3f7179ee4f9976292713f7cb9
new file mode 100644
index 0000000000..e61533a3ad
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c12835aa9f3513d3f7179ee4f9976292713f7cb9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c13188118af1634061b6a3947b81618891aeb6a3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c13188118af1634061b6a3947b81618891aeb6a3
new file mode 100644
index 0000000000..a423a7bb30
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c13188118af1634061b6a3947b81618891aeb6a3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c35968bf.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c35968bf.bin
new file mode 100644
index 0000000000..1d4b51662e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c35968bf.bin
@@ -0,0 +1 @@
+PRI X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c43d97f2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c43d97f2.bin
new file mode 100644
index 0000000000..62959580a8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c43d97f2.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c4534867.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c4534867.bin
new file mode 100644
index 0000000000..40fb374d69
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c4534867.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c559f565.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c559f565.bin
new file mode 100644
index 0000000000..28429cf067
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c559f565.bin
@@ -0,0 +1,3 @@
+PRI * HTTP/2.0

+

+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c56fada76f5c198232201a608072a1a63e3d3785 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c56fada76f5c198232201a608072a1a63e3d3785
new file mode 100644
index 0000000000..f7092e5e02
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c56fada76f5c198232201a608072a1a63e3d3785
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c5ff50ae447ac7a0c8fb3363b2458824d405e64c b/test/core/end2end/fuzzers/server_fuzzer_corpus/c5ff50ae447ac7a0c8fb3363b2458824d405e64c
new file mode 100644
index 0000000000..ccebb3610d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c5ff50ae447ac7a0c8fb3363b2458824d405e64c
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c66e84d1.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c66e84d1.bin
new file mode 100644
index 0000000000..1cc73ce791
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c66e84d1.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c6a1d2cc8935808b6e317a69baec1c3cb87cac94 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c6a1d2cc8935808b6e317a69baec1c3cb87cac94
new file mode 100644
index 0000000000..23ae45234c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c6a1d2cc8935808b6e317a69baec1c3cb87cac94
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c7c44b98faa21c8f0645a818a65b60d956d15952 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c7c44b98faa21c8f0645a818a65b60d956d15952
new file mode 100644
index 0000000000..6c3603316d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c7c44b98faa21c8f0645a818a65b60d956d15952
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c8073f5f41970fab4738215e42ec97a4383855e5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c8073f5f41970fab4738215e42ec97a4383855e5
new file mode 100644
index 0000000000..8a6e432376
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c8073f5f41970fab4738215e42ec97a4383855e5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c81dec02.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/c81dec02.bin
new file mode 100644
index 0000000000..746cd72ba6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c81dec02.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/c8812dc8a1ab1592a2d7b71300e1a0a5da6a6382 b/test/core/end2end/fuzzers/server_fuzzer_corpus/c8812dc8a1ab1592a2d7b71300e1a0a5da6a6382
new file mode 100644
index 0000000000..59f3bd05b6
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/c8812dc8a1ab1592a2d7b71300e1a0a5da6a6382
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/ca843c66c4c4807ccb1615b472c79bc459e5c6cb b/test/core/end2end/fuzzers/server_fuzzer_corpus/ca843c66c4c4807ccb1615b472c79bc459e5c6cb
new file mode 100644
index 0000000000..e8fa525129
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/ca843c66c4c4807ccb1615b472c79bc459e5c6cb
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/cbb04be69714f81f5cd09e36e8ea4e69ea73d618 b/test/core/end2end/fuzzers/server_fuzzer_corpus/cbb04be69714f81f5cd09e36e8ea4e69ea73d618
new file mode 100644
index 0000000000..5622aca4aa
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/cbb04be69714f81f5cd09e36e8ea4e69ea73d618
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/cca29902.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/cca29902.bin
new file mode 100644
index 0000000000..60f208f595
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/cca29902.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/cdba6c45.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/cdba6c45.bin
new file mode 100644
index 0000000000..e2e324cd85
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/cdba6c45.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-0f4b135c0242669ce425d2662168e9440f8a628d b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-0f4b135c0242669ce425d2662168e9440f8a628d
new file mode 100644
index 0000000000..9c2ae72439
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-0f4b135c0242669ce425d2662168e9440f8a628d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-239cc27a23827ea53b60ccbaee0ecc64dad2bff0 b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-239cc27a23827ea53b60ccbaee0ecc64dad2bff0
new file mode 100644
index 0000000000..0bfd764628
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-239cc27a23827ea53b60ccbaee0ecc64dad2bff0
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-41ab0e868e84612275f77118f9e832bc94ff45c5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-41ab0e868e84612275f77118f9e832bc94ff45c5
new file mode 100644
index 0000000000..87bfefb849
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-41ab0e868e84612275f77118f9e832bc94ff45c5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7af5da2a8da23d197d9336e32da72c9ff64c15b3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7af5da2a8da23d197d9336e32da72c9ff64c15b3
new file mode 100644
index 0000000000..f713daabbe
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7af5da2a8da23d197d9336e32da72c9ff64c15b3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7e121dd3be057176369bea160d873040b32a03dc b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7e121dd3be057176369bea160d873040b32a03dc
new file mode 100644
index 0000000000..9491b01e3c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-7e121dd3be057176369bea160d873040b32a03dc
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-e34b0a9a428001cb4094a9ebca76329f578811a4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-e34b0a9a428001cb4094a9ebca76329f578811a4
new file mode 100644
index 0000000000..adbbcec92e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/crash-e34b0a9a428001cb4094a9ebca76329f578811a4
@@ -0,0 +1,2 @@
+PRI * HTP/2.0

ÏPR"I * HT
+TP
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d0f7eebc.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/d0f7eebc.bin
new file mode 100644
index 0000000000..0edc3bb1fd
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d0f7eebc.bin
@@ -0,0 +1 @@
+PRI * HTX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d2031009d3783fcf083963fa30bb493f7f935541 b/test/core/end2end/fuzzers/server_fuzzer_corpus/d2031009d3783fcf083963fa30bb493f7f935541
new file mode 100644
index 0000000000..953d5e8da9
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d2031009d3783fcf083963fa30bb493f7f935541
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d28155c6c92642c61dfb097f7b2eb1d6ced272c0 b/test/core/end2end/fuzzers/server_fuzzer_corpus/d28155c6c92642c61dfb097f7b2eb1d6ced272c0
new file mode 100644
index 0000000000..13dc155d72
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d28155c6c92642c61dfb097f7b2eb1d6ced272c0
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d6979f0f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/d6979f0f.bin
new file mode 100644
index 0000000000..8ed84f9303
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d6979f0f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d9074e68.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/d9074e68.bin
new file mode 100644
index 0000000000..b7cd2f7a62
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d9074e68.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/d95556cac07e720909aaf2ac09d876106420463f b/test/core/end2end/fuzzers/server_fuzzer_corpus/d95556cac07e720909aaf2ac09d876106420463f
new file mode 100644
index 0000000000..e3d74d05fc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/d95556cac07e720909aaf2ac09d876106420463f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/da7e44a9.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/da7e44a9.bin
new file mode 100644
index 0000000000..cc57d195ce
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/da7e44a9.bin
@@ -0,0 +1,4 @@
+PRI * HTTP/2.0

+

+SM

+
X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/dab172ff.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/dab172ff.bin
new file mode 100644
index 0000000000..c1fec49b47
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/dab172ff.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/db33559d4afb4c32e68525c000fde16a4c3300f5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/db33559d4afb4c32e68525c000fde16a4c3300f5
new file mode 100644
index 0000000000..fb1e78cff7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/db33559d4afb4c32e68525c000fde16a4c3300f5
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/dcabac1ef8b197ef39b188bcf5dc470f9749e903 b/test/core/end2end/fuzzers/server_fuzzer_corpus/dcabac1ef8b197ef39b188bcf5dc470f9749e903
new file mode 100644
index 0000000000..ec70c9c1da
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/dcabac1ef8b197ef39b188bcf5dc470f9749e903
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e0d9a9a7.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/e0d9a9a7.bin
new file mode 100644
index 0000000000..3d32ffc395
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e0d9a9a7.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e2652fbb.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/e2652fbb.bin
new file mode 100644
index 0000000000..946cfe22b3
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e2652fbb.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e2c954e1.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/e2c954e1.bin
new file mode 100644
index 0000000000..759683f469
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e2c954e1.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e3bab014.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/e3bab014.bin
new file mode 100644
index 0000000000..d9ae95a015
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e3bab014.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e7ad0c4b7d0f289c90a3988309e9e03b78f7eea3 b/test/core/end2end/fuzzers/server_fuzzer_corpus/e7ad0c4b7d0f289c90a3988309e9e03b78f7eea3
new file mode 100644
index 0000000000..a4fd83a79f
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e7ad0c4b7d0f289c90a3988309e9e03b78f7eea3
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/e9d96662.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/e9d96662.bin
new file mode 100644
index 0000000000..672f0799e7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/e9d96662.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/eb66106b.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/eb66106b.bin
new file mode 100644
index 0000000000..32c355bc75
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/eb66106b.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/eba8472a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/eba8472a.bin
new file mode 100644
index 0000000000..24d97fe392
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/eba8472a.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/ed8da77f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/ed8da77f.bin
new file mode 100644
index 0000000000..a78a2ae620
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/ed8da77f.bin
@@ -0,0 +1 @@
+PRI * HTTP/2.0
X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f0387dfdd6b8c925d958113e669ec4a1897034b4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/f0387dfdd6b8c925d958113e669ec4a1897034b4
new file mode 100644
index 0000000000..6c65103776
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f0387dfdd6b8c925d958113e669ec4a1897034b4
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f1121b952e75463cc71137683dc2528f9cbc19b7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/f1121b952e75463cc71137683dc2528f9cbc19b7
new file mode 100644
index 0000000000..6d2a60d80b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f1121b952e75463cc71137683dc2528f9cbc19b7
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f3220426.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f3220426.bin
new file mode 100644
index 0000000000..eac62a7e2c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f3220426.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f3d084cf20b92a5f026fe7cc6e5af49bde28693d b/test/core/end2end/fuzzers/server_fuzzer_corpus/f3d084cf20b92a5f026fe7cc6e5af49bde28693d
new file mode 100644
index 0000000000..589225ebf8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f3d084cf20b92a5f026fe7cc6e5af49bde28693d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f4024b01.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f4024b01.bin
new file mode 100644
index 0000000000..7097b7eb26
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f4024b01.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f541d27e.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f541d27e.bin
new file mode 100644
index 0000000000..50be7f342e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f541d27e.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f5424a9d7bd14317b6de7b15587df28bfde8362d b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5424a9d7bd14317b6de7b15587df28bfde8362d
new file mode 100644
index 0000000000..ddfb3e4b52
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5424a9d7bd14317b6de7b15587df28bfde8362d
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f5c877c4.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5c877c4.bin
new file mode 100644
index 0000000000..35cf8229fd
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5c877c4.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f5f0615030439dda162e8862b6bbd09f81f14d81 b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5f0615030439dda162e8862b6bbd09f81f14d81
new file mode 100644
index 0000000000..9b44f752aa
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f5f0615030439dda162e8862b6bbd09f81f14d81
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f74b9428.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f74b9428.bin
new file mode 100644
index 0000000000..fd41223579
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f74b9428.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f7bf0d7bb0dd6e1866ccef9fafc3cb295db2f07f b/test/core/end2end/fuzzers/server_fuzzer_corpus/f7bf0d7bb0dd6e1866ccef9fafc3cb295db2f07f
new file mode 100644
index 0000000000..cb892bd334
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f7bf0d7bb0dd6e1866ccef9fafc3cb295db2f07f
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f826100f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/f826100f.bin
new file mode 100644
index 0000000000..a072e28d21
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f826100f.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f88ffb7f3066f2706cfcd9be077595e07834cc15 b/test/core/end2end/fuzzers/server_fuzzer_corpus/f88ffb7f3066f2706cfcd9be077595e07834cc15
new file mode 100644
index 0000000000..d17e017210
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f88ffb7f3066f2706cfcd9be077595e07834cc15
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/f8b46e92c7ceb4c2f2cdcb3452a6d8c58768eaa2 b/test/core/end2end/fuzzers/server_fuzzer_corpus/f8b46e92c7ceb4c2f2cdcb3452a6d8c58768eaa2
new file mode 100644
index 0000000000..db89ca108e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/f8b46e92c7ceb4c2f2cdcb3452a6d8c58768eaa2
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fa36b4280d9e28edd81c5e4d192d1a5c2765e5e4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fa36b4280d9e28edd81c5e4d192d1a5c2765e5e4
new file mode 100644
index 0000000000..6fe763300c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fa36b4280d9e28edd81c5e4d192d1a5c2765e5e4
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fb3b0d80.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/fb3b0d80.bin
new file mode 100644
index 0000000000..b403188f43
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fb3b0d80.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fb84edfa9e8cbddba26a7184e7fdc219bde556c0 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fb84edfa9e8cbddba26a7184e7fdc219bde556c0
new file mode 100644
index 0000000000..f5de9d4fc8
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fb84edfa9e8cbddba26a7184e7fdc219bde556c0
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fd14bea45ecaf13af0053900edb2f17b71a0bf09 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd14bea45ecaf13af0053900edb2f17b71a0bf09
new file mode 100644
index 0000000000..fc84812d2d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd14bea45ecaf13af0053900edb2f17b71a0bf09
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fd26e0a6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd26e0a6.bin
new file mode 100644
index 0000000000..999ed6bf0c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd26e0a6.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fd943e69304dffebf47e1e40b0849e12abeee287 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd943e69304dffebf47e1e40b0849e12abeee287
new file mode 100644
index 0000000000..25ecfe113c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fd943e69304dffebf47e1e40b0849e12abeee287
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fdf67df81857577361d319e76559c5e85a257b07 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fdf67df81857577361d319e76559c5e85a257b07
new file mode 100644
index 0000000000..a4656806f7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fdf67df81857577361d319e76559c5e85a257b07
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fe1957b9bc7c6bf9d8b6089c422d72a0f444da6e b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe1957b9bc7c6bf9d8b6089c422d72a0f444da6e
new file mode 100644
index 0000000000..5c73a94051
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe1957b9bc7c6bf9d8b6089c422d72a0f444da6e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fe66893c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe66893c.bin
new file mode 100644
index 0000000000..3a954cb30a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe66893c.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/fe69ddfa5827dd560bb0b5d4da7d982273f17ef9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe69ddfa5827dd560bb0b5d4da7d982273f17ef9
new file mode 100644
index 0000000000..c20a0c8cf7
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/fe69ddfa5827dd560bb0b5d4da7d982273f17ef9
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/ff227015.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/ff227015.bin
new file mode 100644
index 0000000000..c9d6bf0766
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/ff227015.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/ff898c08.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/ff898c08.bin
new file mode 100644
index 0000000000..ff0f909642
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/ff898c08.bin
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-1b6c4b5c1949adae3efd5e3264bb32a40eea524e b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-1b6c4b5c1949adae3efd5e3264bb32a40eea524e
new file mode 100644
index 0000000000..88310984dc
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-1b6c4b5c1949adae3efd5e3264bb32a40eea524e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-6e980a9d12c392175b5f66683e608626ae983276 b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-6e980a9d12c392175b5f66683e608626ae983276
new file mode 100644
index 0000000000..f0489f8266
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-6e980a9d12c392175b5f66683e608626ae983276
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-7281d9eaed0d20b0b6b5e7709c57e78fefe9c315 b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-7281d9eaed0d20b0b6b5e7709c57e78fefe9c315
new file mode 100644
index 0000000000..44c3397886
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-7281d9eaed0d20b0b6b5e7709c57e78fefe9c315
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-9a176b6f7e0dc5f681a1788d8954f76fabd08cad b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-9a176b6f7e0dc5f681a1788d8954f76fabd08cad
new file mode 100644
index 0000000000..ef52cd7c81
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-9a176b6f7e0dc5f681a1788d8954f76fabd08cad
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-a61a28cf78149518466b87e5463ec5c771dc504e b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-a61a28cf78149518466b87e5463ec5c771dc504e
new file mode 100644
index 0000000000..293360770c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-a61a28cf78149518466b87e5463ec5c771dc504e
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-aa23c18f6badd88a7bec65e8b04f7801ba624ec6 b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-aa23c18f6badd88a7bec65e8b04f7801ba624ec6
new file mode 100644
index 0000000000..3d7f426338
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-aa23c18f6badd88a7bec65e8b04f7801ba624ec6
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-ddfe613d8791b2d377e14fbdffb18b84a89d49b6 b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-ddfe613d8791b2d377e14fbdffb18b84a89d49b6
new file mode 100644
index 0000000000..93bc416eda
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/slow-unit-ddfe613d8791b2d377e14fbdffb18b84a89d49b6
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index f24dbe72cf..9a940a4ab5 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -53,12 +53,9 @@ END2END_FIXTURES = {
     'h2_census': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
     'h2_full': default_unsecure_fixture_options,
-    'h2_full+poll': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
     'h2_full+pipe': default_unsecure_fixture_options._replace(
         platforms=['linux']),
-    'h2_full+poll+pipe': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
+    'h2_full+trace': default_unsecure_fixture_options._replace(tracing=True),
     'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True,
                                                           ci_mac=False),
@@ -66,13 +63,10 @@ END2END_FIXTURES = {
         ci_mac=False),
     'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
     'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(
-        tracing=True),
+        ci_mac=False, tracing=True),
     'h2_ssl': default_secure_fixture_options,
-    'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True,
                                                             ci_mac=False),
-    'h2_uchannel': default_unsecure_fixture_options._replace(fullstack=False),
-    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
     'h2_uds': uds_fixture_options,
 }
 
@@ -94,26 +88,27 @@ END2END_TESTS = {
     'cancel_before_invoke': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_in_a_vacuum': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_with_status': default_test_options._replace(cpu_cost=LOWCPU),
-    'channel_connectivity': connectivity_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
-    'channel_ping': connectivity_test_options._replace(proxyable=False),
     'compressed_payload': default_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
+    'connectivity': connectivity_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
     'default_host': default_test_options._replace(needs_fullstack=True,
                                                   needs_dns=True),
     'disappearing_server': connectivity_test_options,
     'empty_batch': default_test_options,
+    'filter_causes_close': default_test_options,
     'graceful_server_shutdown': default_test_options._replace(cpu_cost=LOWCPU),
     'hpack_size': default_test_options._replace(proxyable=False,
                                                 traceable=False),
     'high_initial_seqno': default_test_options,
+    'idempotent_request': default_test_options,
     'invoke_large_request': default_test_options,
     'large_metadata': default_test_options,
     'max_concurrent_streams': default_test_options._replace(proxyable=False),
     'max_message_length': default_test_options._replace(cpu_cost=LOWCPU),
-    'metadata': default_test_options,
     'negative_deadline': default_test_options,
     'no_op': default_test_options,
     'payload': default_test_options._replace(cpu_cost=LOWCPU),
     'ping_pong_streaming': default_test_options,
+    'ping': connectivity_test_options._replace(proxyable=False),
     'registered_call': default_test_options,
     'request_with_flags': default_test_options._replace(proxyable=False),
     'request_with_payload': default_test_options,
@@ -121,6 +116,7 @@ END2END_TESTS = {
     'shutdown_finishes_calls': default_test_options,
     'shutdown_finishes_tags': default_test_options,
     'simple_delayed_request': connectivity_test_options._replace(cpu_cost=LOWCPU),
+    'simple_metadata': default_test_options,
     'simple_request': default_test_options,
     'trailing_metadata': default_test_options,
 }
@@ -150,7 +146,6 @@ def without(l, e):
 
 def main():
   sec_deps = [
-    'end2end_certs',
     'grpc_test_util',
     'grpc',
     'gpr_test_util',
@@ -193,18 +188,6 @@ def main():
               'deps': unsec_deps,
               'vs_proj_dir': 'test/end2end/tests',
           }
-      ] + [
-          {
-              'name': 'end2end_certs',
-              'build': 'private',
-              'language': 'c',
-              'src': [
-                  "test/core/end2end/data/test_root_cert.c",
-                  "test/core/end2end/data/server1_cert.c",
-                  "test/core/end2end/data/server1_key.c"
-              ],
-              'vs_proj_dir': 'test/end2end',
-          }
       ],
       'targets': [
           {
diff --git a/test/core/end2end/goaway_server_test.c b/test/core/end2end/goaway_server_test.c
new file mode 100644
index 0000000000..5f8c2641e7
--- /dev/null
+++ b/test/core/end2end/goaway_server_test.c
@@ -0,0 +1,301 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <string.h>
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+static void *tag(intptr_t i) { return (void *)i; }
+
+static gpr_mu g_mu;
+static int g_resolve_port = -1;
+static grpc_resolved_addresses *(*iomgr_resolve_address)(
+    const char *name, const char *default_port);
+
+static void set_resolve_port(int port) {
+  gpr_mu_lock(&g_mu);
+  g_resolve_port = port;
+  gpr_mu_unlock(&g_mu);
+}
+
+static grpc_resolved_addresses *my_resolve_address(const char *name,
+                                                   const char *addr) {
+  if (0 != strcmp(name, "test")) {
+    return iomgr_resolve_address(name, addr);
+  }
+
+  gpr_mu_lock(&g_mu);
+  if (g_resolve_port < 0) {
+    gpr_mu_unlock(&g_mu);
+    return NULL;
+  } else {
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    memset(addrs->addrs, 0, sizeof(*addrs->addrs));
+    struct sockaddr_in *sa = (struct sockaddr_in *)addrs->addrs[0].addr;
+    sa->sin_family = AF_INET;
+    sa->sin_addr.s_addr = htonl(0x7f000001);
+    sa->sin_port = htons((uint16_t)g_resolve_port);
+    addrs->addrs[0].len = sizeof(*sa);
+    gpr_mu_unlock(&g_mu);
+    return addrs;
+  }
+}
+
+int main(int argc, char **argv) {
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+
+  grpc_test_init(argc, argv);
+
+  gpr_mu_init(&g_mu);
+  iomgr_resolve_address = grpc_blocking_resolve_address;
+  grpc_blocking_resolve_address = my_resolve_address;
+  grpc_init();
+
+  int was_cancelled1;
+  int was_cancelled2;
+
+  grpc_metadata_array trailing_metadata_recv1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details request_details1;
+  grpc_status_code status1;
+  char *details1 = NULL;
+  size_t details_capacity1 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv1);
+  grpc_metadata_array_init(&request_metadata1);
+  grpc_call_details_init(&request_details1);
+
+  grpc_metadata_array trailing_metadata_recv2;
+  grpc_metadata_array request_metadata2;
+  grpc_call_details request_details2;
+  grpc_status_code status2;
+  char *details2 = NULL;
+  size_t details_capacity2 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv2);
+  grpc_metadata_array_init(&request_metadata2);
+  grpc_call_details_init(&request_details2);
+
+  cq = grpc_completion_queue_create(NULL);
+  cqv = cq_verifier_create(cq);
+
+  /* reserve two ports */
+  int port1 = grpc_pick_unused_port_or_die();
+  int port2 = grpc_pick_unused_port_or_die();
+
+  char *addr;
+
+  /* create a channel that picks first amongst the servers */
+  grpc_channel *chan = grpc_insecure_channel_create("test", NULL, NULL);
+  /* and an initial call to them */
+  grpc_call *call1 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x101), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv1;
+  op->data.recv_status_on_client.status = &status1;
+  op->data.recv_status_on_client.status_details = &details1;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x102), NULL));
+
+  /* bring a server up on the first port */
+  grpc_server *server1 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port1);
+  grpc_server_add_insecure_http2_port(server1, addr);
+  grpc_server_register_completion_queue(server1, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server1);
+
+  /* request a call to the server */
+  grpc_call *server_call1;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server1, &server_call1, &request_details1,
+                                      &request_metadata1, cq, cq, tag(0x301)));
+
+  set_resolve_port(port1);
+
+  /* first call should now start */
+  cq_expect_completion(cqv, tag(0x101), 1);
+  cq_expect_completion(cqv, tag(0x301), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(GRPC_CHANNEL_READY ==
+             grpc_channel_check_connectivity_state(chan, 0));
+  grpc_channel_watch_connectivity_state(chan, GRPC_CHANNEL_READY,
+                                        gpr_inf_future(GPR_CLOCK_REALTIME), cq,
+                                        tag(0x9999));
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled1;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x302), NULL));
+
+  /* shutdown first server:
+   * we should see a connectivity change and then nothing */
+  set_resolve_port(-1);
+  grpc_server_shutdown_and_notify(server1, cq, tag(0xdead1));
+  cq_expect_completion(cqv, tag(0x9999), 1);
+  cq_verify(cqv);
+  cq_verify_empty(cqv);
+
+  /* and a new call: should go through to server2 when we start it */
+  grpc_call *call2 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x201), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2;
+  op->data.recv_status_on_client.status = &status2;
+  op->data.recv_status_on_client.status_details = &details2;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x202), NULL));
+
+  /* and bring up second server */
+  set_resolve_port(port2);
+  grpc_server *server2 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port2);
+  grpc_server_add_insecure_http2_port(server2, addr);
+  grpc_server_register_completion_queue(server2, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server2);
+
+  /* request a call to the server */
+  grpc_call *server_call2;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server2, &server_call2, &request_details2,
+                                      &request_metadata2, cq, cq, tag(0x401)));
+
+  /* second call should now start */
+  cq_expect_completion(cqv, tag(0x201), 1);
+  cq_expect_completion(cqv, tag(0x401), 1);
+  cq_verify(cqv);
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled2;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x402), NULL));
+
+  /* shutdown second server: we should see nothing */
+  grpc_server_shutdown_and_notify(server2, cq, tag(0xdead2));
+  cq_verify_empty(cqv);
+
+  grpc_call_cancel(call1, NULL);
+  grpc_call_cancel(call2, NULL);
+
+  /* now everything else should finish */
+  cq_expect_completion(cqv, tag(0x102), 1);
+  cq_expect_completion(cqv, tag(0x202), 1);
+  cq_expect_completion(cqv, tag(0x302), 1);
+  cq_expect_completion(cqv, tag(0x402), 1);
+  cq_expect_completion(cqv, tag(0xdead1), 1);
+  cq_expect_completion(cqv, tag(0xdead2), 1);
+  cq_verify(cqv);
+
+  grpc_call_destroy(call1);
+  grpc_call_destroy(call2);
+  grpc_call_destroy(server_call1);
+  grpc_call_destroy(server_call2);
+  grpc_server_destroy(server1);
+  grpc_server_destroy(server2);
+  grpc_channel_destroy(chan);
+
+  grpc_metadata_array_destroy(&trailing_metadata_recv1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_call_details_destroy(&request_details1);
+  gpr_free(details1);
+  grpc_metadata_array_destroy(&trailing_metadata_recv2);
+  grpc_metadata_array_destroy(&request_metadata2);
+  grpc_call_details_destroy(&request_details2);
+  gpr_free(details2);
+
+  cq_verifier_destroy(cqv);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+
+  return 0;
+}
diff --git a/test/core/end2end/invalid_call_argument_test.c b/test/core/end2end/invalid_call_argument_test.c
index 4029e96a41..cf42e92a1a 100644
--- a/test/core/end2end/invalid_call_argument_test.c
+++ b/test/core/end2end/invalid_call_argument_test.c
@@ -63,7 +63,7 @@ struct test_state {
 static struct test_state g_state;
 
 static void prepare_test(int is_client) {
-  int port;
+  int port = grpc_pick_unused_port_or_die();
   char *server_hostport;
   grpc_op *op;
   g_state.is_client = is_client;
@@ -85,7 +85,6 @@ static void prepare_test(int is_client) {
   } else {
     g_state.server = grpc_server_create(NULL, NULL);
     grpc_server_register_completion_queue(g_state.server, g_state.cq, NULL);
-    port = grpc_pick_unused_port_or_die();
     gpr_join_host_port(&server_hostport, "0.0.0.0", port);
     grpc_server_add_insecure_http2_port(g_state.server, server_hostport);
     grpc_server_start(g_state.server);
@@ -131,20 +130,23 @@ static void cleanup_test() {
     grpc_server_shutdown_and_notify(g_state.server, g_state.cq, tag(1000));
     GPR_ASSERT(grpc_completion_queue_pluck(g_state.cq, tag(1000),
                                            GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(g_state.server);
     grpc_call_details_destroy(&g_state.call_details);
     grpc_metadata_array_destroy(&g_state.server_initial_metadata_recv);
   }
   grpc_completion_queue_shutdown(g_state.cq);
   while (grpc_completion_queue_next(g_state.cq,
-                                    gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+                                    gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+             .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(g_state.cq);
 }
 
 static void test_non_null_reserved_on_start_batch() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_start_batch");
+
   prepare_test(1);
   GPR_ASSERT(GRPC_CALL_ERROR ==
              grpc_call_start_batch(g_state.call, NULL, 0, NULL, tag(1)));
@@ -152,6 +154,8 @@ static void test_non_null_reserved_on_start_batch() {
 }
 
 static void test_non_null_reserved_on_op() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_op");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -168,6 +172,8 @@ static void test_non_null_reserved_on_op() {
 }
 
 static void test_send_initial_metadata_more_than_once() {
+  gpr_log(GPR_INFO, "test_send_initial_metadata_more_than_once");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -196,6 +202,8 @@ static void test_send_initial_metadata_more_than_once() {
 }
 
 static void test_too_many_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_metadata");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -212,6 +220,8 @@ static void test_too_many_metadata() {
 }
 
 static void test_send_null_message() {
+  gpr_log(GPR_INFO, "test_send_null_message");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -233,6 +243,8 @@ static void test_send_null_message() {
 }
 
 static void test_send_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_send_messages_at_the_same_time");
+
   grpc_op *op;
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
@@ -262,6 +274,8 @@ static void test_send_messages_at_the_same_time() {
 }
 
 static void test_send_server_status_from_client() {
+  gpr_log(GPR_INFO, "test_send_server_status_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -280,6 +294,8 @@ static void test_send_server_status_from_client() {
 }
 
 static void test_receive_initial_metadata_twice_at_client() {
+  gpr_log(GPR_INFO, "test_receive_initial_metadata_twice_at_client");
+
   grpc_op *op;
   prepare_test(1);
   op = g_state.ops;
@@ -306,6 +322,8 @@ static void test_receive_initial_metadata_twice_at_client() {
 }
 
 static void test_receive_message_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_receive_message_with_invalid_flags");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -322,6 +340,8 @@ static void test_receive_message_with_invalid_flags() {
 }
 
 static void test_receive_two_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_receive_two_messages_at_the_same_time");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -343,6 +363,8 @@ static void test_receive_two_messages_at_the_same_time() {
 }
 
 static void test_recv_close_on_server_from_client() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -359,6 +381,8 @@ static void test_recv_close_on_server_from_client() {
 }
 
 static void test_recv_status_on_client_twice() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_twice");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -395,6 +419,8 @@ static void test_recv_status_on_client_twice() {
 }
 
 static void test_send_close_from_client_on_server() {
+  gpr_log(GPR_INFO, "test_send_close_from_client_on_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -410,6 +436,8 @@ static void test_send_close_from_client_on_server() {
 }
 
 static void test_recv_status_on_client_from_server() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_from_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -431,6 +459,8 @@ static void test_recv_status_on_client_from_server() {
 }
 
 static void test_send_status_from_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_send_status_from_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -449,6 +479,8 @@ static void test_send_status_from_server_with_invalid_flags() {
 }
 
 static void test_too_many_trailing_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_trailing_metadata");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -468,6 +500,8 @@ static void test_too_many_trailing_metadata() {
 }
 
 static void test_send_server_status_twice() {
+  gpr_log(GPR_INFO, "test_send_server_status_twice");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -493,6 +527,8 @@ static void test_send_server_status_twice() {
 }
 
 static void test_recv_close_on_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -509,6 +545,8 @@ static void test_recv_close_on_server_with_invalid_flags() {
 }
 
 static void test_recv_close_on_server_twice() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_twice");
+
   grpc_op *op;
   prepare_test(0);
 
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index 5c971eac6a..7a5cd2335f 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -88,8 +88,9 @@ int main(int argc, char **argv) {
   GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
 
   grpc_completion_queue_shutdown(cq);
-  while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+  while (
+      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+          .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(cq);
   grpc_call_destroy(call);
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index 14587389c7..3cb9b3d4b1 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -152,7 +152,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   cq_expect_completion(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(status == GRPC_STATUS_INVALID_ARGUMENT);
+  GPR_ASSERT(status == GRPC_STATUS_INTERNAL);
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
@@ -179,3 +179,5 @@ void bad_hostname(grpc_end2end_test_config config) {
     test_invoke_simple_request(config);
   }
 }
+
+void bad_hostname_pre_init(void) {}
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 4eccd16c4c..994c3bf1dd 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -287,3 +287,5 @@ static void test_request_response_with_metadata_and_payload(
 void binary_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void binary_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index c9d4251b68..b555bea740 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <grpc/grpc_security.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
 
 static const char iam_token[] = "token";
 static const char iam_selector[] = "selector";
@@ -93,9 +93,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -475,3 +475,5 @@ void call_creds(grpc_end2end_test_config config) {
     test_request_with_server_rejecting_client_creds(config);
   }
 }
+
+void call_creds_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 4646bf7bca..fc2a64a6c1 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -233,3 +233,5 @@ void cancel_after_accept(grpc_end2end_test_config config) {
     test_cancel_after_accept(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_accept_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index 364598a76a..3bafa8c85f 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -237,3 +237,5 @@ void cancel_after_client_done(grpc_end2end_test_config config) {
     test_cancel_after_accept_and_writes_closed(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_client_done_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index ec0b0dea4c..fc2751af8e 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -199,3 +199,5 @@ void cancel_after_invoke(grpc_end2end_test_config config) {
     }
   }
 }
+
+void cancel_after_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 7b432fe87e..33005db9e4 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -194,3 +194,5 @@ void cancel_before_invoke(grpc_end2end_test_config config) {
     test_cancel_before_invoke(config, i);
   }
 }
+
+void cancel_before_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 214ab2b9e8..0c893b5f9e 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -127,3 +127,5 @@ void cancel_in_a_vacuum(grpc_end2end_test_config config) {
     test_cancel_in_a_vacuum(config, cancellation_modes[i]);
   }
 }
+
+void cancel_in_a_vacuum_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index 1541ca099f..c3ee4a6a0e 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -182,3 +182,5 @@ void cancel_with_status(grpc_end2end_test_config config) {
     test_invoke_simple_request(config, i);
   }
 }
+
+void cancel_with_status_pre_init(void) {}
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index 33b1d8f9fe..589bc314f8 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -43,10 +43,10 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/surface/call_test_only.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/surface/call_test_only.h"
 
 enum { TIMEOUT = 200000 };
 
@@ -80,9 +80,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -336,3 +336,5 @@ void compressed_payload(grpc_end2end_test_config config) {
   test_invoke_request_with_compressed_payload(config);
   test_invoke_request_with_compressed_payload_md_override(config);
 }
+
+void compressed_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/channel_connectivity.c b/test/core/end2end/tests/connectivity.c
index 0e21e65557..5775976b1c 100644
--- a/test/core/end2end/tests/channel_connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -168,7 +168,9 @@ static void test_connectivity(grpc_end2end_test_config config) {
   cq_verifier_destroy(cqv);
 }
 
-void channel_connectivity(grpc_end2end_test_config config) {
+void connectivity(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_connectivity(config);
 }
+
+void connectivity_pre_init(void) {}
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index dc3303436b..44384a783e 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -232,3 +232,5 @@ void default_host(grpc_end2end_test_config config) {
     return;
   test_invoke_simple_request(config);
 }
+
+void default_host_pre_init(void) {}
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 5b2bbaf70c..03d1ded04c 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -213,3 +213,5 @@ void disappearing_server(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   disappearing_server_test(config);
 }
+
+void disappearing_server_pre_init(void) {}
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index 24320c0f32..c05b919914 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -132,3 +132,5 @@ static void test_invoke_empty_body(grpc_end2end_test_config config) {
 void empty_batch(grpc_end2end_test_config config) {
   test_invoke_empty_body(config);
 }
+
+void empty_batch_pre_init(void) {}
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
new file mode 100644
index 0000000000..e74d3239de
--- /dev/null
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -0,0 +1,289 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static bool g_enable_filter = false;
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+/* Simple request via a server filter that always closes the stream.*/
+static void test_request(grpc_end2end_test_config config) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f =
+      begin_test(config, "filter_causes_close", NULL, NULL);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr", deadline, NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_PERMISSION_DENIED);
+  GPR_ASSERT(0 == strcmp(details, "Random failure that's not preventable."));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(cqv);
+
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+/*******************************************************************************
+ * Test filter - always closes incoming requests
+ */
+
+typedef struct { grpc_closure *recv_im_ready; } call_data;
+
+typedef struct { uint8_t unused; } channel_data;
+
+static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  grpc_call_element *elem = arg;
+  call_data *calld = elem->call_data;
+  if (success) {
+    // close the stream with an error.
+    gpr_slice message;
+    grpc_transport_stream_op close_op;
+    memset(&close_op, 0, sizeof(close_op));
+    message =
+        gpr_slice_from_copied_string("Random failure that's not preventable.");
+    grpc_transport_stream_op op;
+    memset(&op, 0, sizeof(op));
+    grpc_transport_stream_op_add_close(&op, GRPC_STATUS_PERMISSION_DENIED,
+                                       &message);
+    grpc_call_next_op(exec_ctx, elem, &op);
+  }
+  calld->recv_im_ready->cb(exec_ctx, calld->recv_im_ready->cb_arg, false);
+}
+
+static void start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+                                      grpc_call_element *elem,
+                                      grpc_transport_stream_op *op) {
+  call_data *calld = elem->call_data;
+  if (op->recv_initial_metadata != NULL) {
+    calld->recv_im_ready = op->recv_initial_metadata_ready;
+    op->recv_initial_metadata_ready = grpc_closure_create(recv_im_ready, elem);
+  }
+  grpc_call_next_op(exec_ctx, elem, op);
+}
+
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_call_element_args *args) {}
+
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_call_element *elem) {}
+
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {}
+
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel_element *elem) {}
+
+static const grpc_channel_filter test_filter = {
+    start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "filter_causes_close"};
+
+/*******************************************************************************
+ * Registration
+ */
+
+static bool maybe_add_filter(grpc_channel_stack_builder *builder, void *arg) {
+  if (g_enable_filter) {
+    return grpc_channel_stack_builder_prepend_filter(builder, &test_filter,
+                                                     NULL, NULL);
+  } else {
+    return true;
+  }
+}
+
+static void init_plugin(void) {
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, 0, maybe_add_filter,
+                                   NULL);
+}
+
+static void destroy_plugin(void) {}
+
+void filter_causes_close(grpc_end2end_test_config config) {
+  g_enable_filter = true;
+  test_request(config);
+  g_enable_filter = false;
+}
+
+void filter_causes_close_pre_init(void) {
+  grpc_register_plugin(init_plugin, destroy_plugin);
+}
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index cc6a9d44f8..26198f3bdf 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -210,3 +210,5 @@ static void test_early_server_shutdown_finishes_inflight_calls(
 void graceful_server_shutdown(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void graceful_server_shutdown_pre_init(void) {}
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index 8d16ef5f5e..374606dcb7 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -79,9 +79,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -237,3 +237,5 @@ void high_initial_seqno(grpc_end2end_test_config config) {
     test_invoke_10_simple_requests(config, 2147483645);
   }
 }
+
+void high_initial_seqno_pre_init(void) {}
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index fd4fe3419f..07d5d387b4 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -262,9 +262,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -444,3 +444,5 @@ void hpack_size(grpc_end2end_test_config config) {
     }
   }
 }
+
+void hpack_size_pre_init(void) {}
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
new file mode 100644
index 0000000000..e53f3b2aaa
--- /dev/null
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -0,0 +1,250 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+  char *peer;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
+  gpr_free(peer);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  peer = grpc_call_get_peer(s);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "server_peer=%s", peer);
+  gpr_free(peer);
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer=%s", peer);
+  gpr_free(peer);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+  op->data.send_status_from_server.trailing_metadata_count = 0;
+  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(102), 1);
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST == call_details.flags);
+  GPR_ASSERT(was_cancelled == 1);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+  grpc_call_destroy(s);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
+  simple_request_body(f);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
+  int i;
+  grpc_end2end_test_fixture f =
+      begin_test(config, "test_invoke_10_simple_requests", NULL, NULL);
+  for (i = 0; i < 10; i++) {
+    simple_request_body(f);
+    gpr_log(GPR_INFO, "Passed simple request %d", i);
+  }
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void idempotent_request(grpc_end2end_test_config config) {
+  int i;
+  for (i = 0; i < 10; i++) {
+    test_invoke_simple_request(config);
+  }
+  test_invoke_10_simple_requests(config);
+}
+
+void idempotent_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index f0b019821d..6410305451 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -73,9 +73,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -254,3 +254,5 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
 void invoke_large_request(grpc_end2end_test_config config) {
   test_invoke_large_request(config);
 }
+
+void invoke_large_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index 1b41e89b26..0e5d6b4fe0 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -245,3 +245,5 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
 void large_metadata(grpc_end2end_test_config config) {
   test_request_with_large_metadata(config);
 }
+
+void large_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index d6b2a06f9b..1bb53073cb 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -436,3 +436,5 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
 void max_concurrent_streams(grpc_end2end_test_config config) {
   test_max_concurrent_streams(config);
 }
+
+void max_concurrent_streams_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 59ab7f476c..b5dbc1382a 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -221,3 +221,5 @@ static void test_max_message_length(grpc_end2end_test_config config) {
 void max_message_length(grpc_end2end_test_config config) {
   test_max_message_length(config);
 }
+
+void max_message_length_pre_init(void) {}
diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
index 2109310634..03e57a90f6 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -179,3 +179,5 @@ void negative_deadline(grpc_end2end_test_config config) {
     test_invoke_simple_request(config, i);
   }
 }
+
+void negative_deadline_pre_init(void) {}
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 4bc1d631d1..284be7af2a 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -104,3 +104,5 @@ static void test_no_op(grpc_end2end_test_config config) {
 }
 
 void no_op(grpc_end2end_test_config config) { test_no_op(config); }
+
+void no_op_pre_init(void) {}
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index bc220cbdc9..bdfb135406 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -268,3 +268,5 @@ void payload(grpc_end2end_test_config config) {
   test_invoke_request_response_with_payload(config);
   test_invoke_10_request_response_with_payload(config);
 }
+
+void payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/channel_ping.c b/test/core/end2end/tests/ping.c
index 73fab206fb..d49bec983b 100644
--- a/test/core/end2end/tests/channel_ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -91,7 +91,9 @@ static void test_ping(grpc_end2end_test_config config) {
   cq_verifier_destroy(cqv);
 }
 
-void channel_ping(grpc_end2end_test_config config) {
+void ping(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_ping(config);
 }
+
+void ping_pre_init(void) {}
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 8351f508c5..15e1c6e338 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -275,3 +275,5 @@ void ping_pong_streaming(grpc_end2end_test_config config) {
     test_pingpong_streaming(config, i);
   }
 }
+
+void ping_pong_streaming_pre_init(void) {}
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index d9d2b19d12..3c4edbae7d 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -231,3 +231,5 @@ void registered_call(grpc_end2end_test_config config) {
   test_invoke_simple_request(config);
   test_invoke_10_simple_requests(config);
 }
+
+void registered_call_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 340aba6cdb..779895b970 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -214,3 +214,5 @@ void request_with_flags(grpc_end2end_test_config config) {
     }
   }
 }
+
+void request_with_flags_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 1aced6a875..7706404090 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -232,3 +232,5 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
 void request_with_payload(grpc_end2end_test_config config) {
   test_invoke_request_with_payload(config);
 }
+
+void request_with_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 6bca8d476c..a4f5319e5b 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -210,3 +210,5 @@ static void test_invoke_simple_request(grpc_end2end_test_config config) {
 void server_finishes_request(grpc_end2end_test_config config) {
   test_invoke_simple_request(config);
 }
+
+void server_finishes_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_calls.c b/test/core/end2end/tests/shutdown_finishes_calls.c
index b56ba464b9..80287cd507 100644
--- a/test/core/end2end/tests/shutdown_finishes_calls.c
+++ b/test/core/end2end/tests/shutdown_finishes_calls.c
@@ -192,3 +192,5 @@ static void test_early_server_shutdown_finishes_inflight_calls(
 void shutdown_finishes_calls(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void shutdown_finishes_calls_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_tags.c b/test/core/end2end/tests/shutdown_finishes_tags.c
index 4a060de716..b1f3c94562 100644
--- a/test/core/end2end/tests/shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/shutdown_finishes_tags.c
@@ -119,3 +119,5 @@ static void test_early_server_shutdown_finishes_tags(
 void shutdown_finishes_tags(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_tags(config);
 }
+
+void shutdown_finishes_tags_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 0afef7503b..400b3a0027 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -63,9 +63,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -120,7 +120,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -221,3 +221,5 @@ void simple_delayed_request(grpc_end2end_test_config config) {
   test_simple_delayed_request_short(config);
   test_simple_delayed_request_long(config);
 }
+
+void simple_delayed_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/metadata.c b/test/core/end2end/tests/simple_metadata.c
index 5e92091eb7..707b3c9512 100644
--- a/test/core/end2end/tests/metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -260,6 +260,8 @@ static void test_request_response_with_metadata_and_payload(
   config.tear_down_data(&f);
 }
 
-void metadata(grpc_end2end_test_config config) {
+void simple_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void simple_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 3720cd1631..42108425e6 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -203,6 +203,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(0 == call_details.flags);
   GPR_ASSERT(was_cancelled == 1);
 
   gpr_free(details);
@@ -245,3 +246,5 @@ void simple_request(grpc_end2end_test_config config) {
   }
   test_invoke_10_simple_requests(config);
 }
+
+void simple_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index 78525e9538..4dd8c12cba 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -268,3 +268,5 @@ static void test_request_response_with_metadata_and_payload(
 void trailing_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void trailing_metadata_pre_init(void) {}
diff --git a/test/core/fling/client.c b/test/core/fling/client.c
index b36aef3093..81562277ec 100644
--- a/test/core/fling/client.c
+++ b/test/core/fling/client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/fling/fling_stream_test.c b/test/core/fling/fling_stream_test.c
index 78a73372aa..7e4daaa84f 100644
--- a/test/core/fling/fling_stream_test.c
+++ b/test/core/fling/fling_stream_test.c
@@ -35,19 +35,19 @@
 #define _POSIX_SOURCE
 #endif
 
-#include <unistd.h>
 #include <assert.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/fling_test.c b/test/core/fling/fling_test.c
index cf43ecfd2d..6663ad3507 100644
--- a/test/core/fling/fling_test.c
+++ b/test/core/fling/fling_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/server.c b/test/core/fling/server.c
index 42be20e42d..fd446f1128 100644
--- a/test/core/fling/server.c
+++ b/test/core/fling/server.c
@@ -49,7 +49,7 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/port.h"
diff --git a/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427 b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
new file mode 100644
index 0000000000..3d6face56a
--- /dev/null
+++ b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
@@ -0,0 +1,2 @@
+HTTP/1.1 …200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
new file mode 100644
index 0000000000..5cbaf2e460
--- /dev/null
+++ b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
@@ -0,0 +1,2 @@
+HTTP/1.1 8) pMKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97 b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
new file mode 100644
index 0000000000..8831f0786b
--- /dev/null
+++ b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
@@ -0,0 +1,2 @@
+HTTP/1.1 80) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34 b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
new file mode 100644
index 0000000000..10967d975c
--- /dev/null
+++ b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
@@ -0,0 +1,2 @@
+„HTT/21. 200 HT!TP/1OKH.1HTTP 200 OKH

+tHT//1T0P.1y 2001.
\ No newline at end of file
diff --git a/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
new file mode 100644
index 0000000000..c79e456904
--- /dev/null
+++ b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
@@ -0,0 +1,4 @@
+H
TTP/16.1 200 OK
+test: h!ello
+
+abcd
diff --git a/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
new file mode 100644
index 0000000000..7b979b5e10
--- /dev/null
+++ b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+tHTTP/01.021  Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4 b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
new file mode 100644
index 0000000000..67382b4f3a
--- /dev/null
+++ b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKHHTTP‰/1.200 OKH

+

+tHTHTTP/0 20T:tes/01.
\ No newline at end of file
diff --git a/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55 b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
new file mode 100644
index 0000000000..deb8265a30
--- /dev/null
+++ b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
@@ -0,0 +1,3 @@
+JHTT/21. 2è0 HTTP/1.1 200 OKHHTTP‰/1.200 OKH

+

+tHTHTHTJHTTPT
\ No newline at end of file
diff --git a/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
new file mode 100644
index 0000000000..9f2e0e4a25
--- /dev/null
+++ b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
@@ -0,0 +1,2 @@
+JHTT/21. 200œHTT/0OKH.1 HTTP/200 OKH

+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
new file mode 100644
index 0000000000..4db04b260a
--- /dev/null
+++ b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/11 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9 b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
new file mode 100644
index 0000000000..cee70bfe71
--- /dev/null
+++ b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
@@ -0,0 +1,2 @@
+JHTT¹21. 200HTT/0OKH1 HTTP/100 OKH

+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
new file mode 100644
index 0000000000..e76b00e34c
--- /dev/null
+++ b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
@@ -0,0 +1,2 @@
+GET / HTTHTTP/1.1 200 OKH

+t10H
\ No newline at end of file
diff --git a/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305 b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
new file mode 100644
index 0000000000..7435f52ea5
--- /dev/null
+++ b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/22 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2 b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
new file mode 100644
index 0000000000..cce8ded71a
--- /dev/null
+++ b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
@@ -0,0 +1,2 @@
+HTTP/1*9y 200 OKm

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
new file mode 100644
index 0000000000..57efa3cabc
--- /dev/null
+++ b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/0OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
new file mode 100644
index 0000000000..8df43e4dce
--- /dev/null
+++ b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
@@ -0,0 +1,2 @@
+HTTP/1.9y 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
new file mode 100644
index 0000000000..4efa386f3b
--- /dev/null
+++ b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
@@ -0,0 +1,9 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH

+tHTTP/00.021 :Oe¶,H

+test: h!eHTTP/1.1 200 OKH

+llo
+
+abcdtH
+TTP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
new file mode 100644
index 0000000000..f85f1df035
--- /dev/null
+++ b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
@@ -0,0 +1,3 @@
+žHTTP/1.1 200 HH
+OK 	
TDP/01.021 : Oe:,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76 b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
new file mode 100644
index 0000000000..fefa4512a8
--- /dev/null
+++ b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
@@ -0,0 +1,2 @@
+HTTP/1.1 000 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
new file mode 100644
index 0000000000..b967b57614
--- /dev/null
+++ b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+tHTTP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
new file mode 100644
index 0000000000..8af90071c3
--- /dev/null
+++ b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
@@ -0,0 +1,2 @@
+@TTP/1.1y 002ÿOKH

+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046 b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
new file mode 100644
index 0000000000..7d20266703
--- /dev/null
+++ b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
@@ -0,0 +1,2 @@
+HTTP/1.1y 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9 b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
new file mode 100644
index 0000000000..5996b9a75c
--- /dev/null
+++ b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
@@ -0,0 +1,4 @@
+JHTTP/1.1 +00 HTTP/1.1 200 OKHHTTPOKH
‰/1.
+200 OKtH

+

+tHTH
\ No newline at end of file
diff --git a/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
new file mode 100644
index 0000000000..c59c4d2246
--- /dev/null
+++ b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
@@ -0,0 +1,2 @@
+HTTP/01.021  O,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5 b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
new file mode 100644
index 0000000000..8ac7ceb2d5
--- /dev/null
+++ b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
@@ -0,0 +1,2 @@
+ITTP/11 …20O HK

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55 b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
new file mode 100644
index 0000000000..49d1c8f1d2
--- /dev/null
+++ b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
@@ -0,0 +1,2 @@
+HTTP/1.1 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
new file mode 100644
index 0000000000..5f2c4dfef0
--- /dev/null
+++ b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+	 HTDP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
new file mode 100644
index 0000000000..6313cd967a
--- /dev/null
+++ b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/1OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104 b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
new file mode 100644
index 0000000000..fee5512152
--- /dev/null
+++ b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
@@ -0,0 +1,2 @@
+JÏHTTP‰/1.200:OKHHTã/21. 2è0 HTTP/

+1.1 200 OKHHTtTP‰
\ No newline at end of file
diff --git a/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
new file mode 100644
index 0000000000..bd7e239537
--- /dev/null
+++ b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/11 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5 b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
new file mode 100644
index 0000000000..9a15ab025f
--- /dev/null
+++ b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
@@ -0,0 +1,2 @@
+HTTP/1. 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0 b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
new file mode 100644
index 0000000000..480708e033
--- /dev/null
+++ b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
@@ -0,0 +1,2 @@
+@TTP/1.1y 00'JHTTP/1.1 +00ÿOïH HTTP/

+ve1.1 200s
\ No newline at end of file
diff --git a/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
new file mode 100644
index 0000000000..0ed0dfadec
--- /dev/null
+++ b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/1.1 200 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2 b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
new file mode 100644
index 0000000000..1f14f69103
--- /dev/null
+++ b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
@@ -0,0 +1,3 @@
+HTT
+/1.1 201 OKH

+des
\ No newline at end of file
diff --git a/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337 b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
new file mode 100644
index 0000000000..8fc481d92b
--- /dev/null
+++ b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
@@ -0,0 +1,5 @@
+JHTTP/1.GET / HTTP/1.0
+1 200 OKH

+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6 b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
new file mode 100644
index 0000000000..d4223ccf81
--- /dev/null
+++ b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
@@ -0,0 +1,2 @@
+HTTP/1.1 8p) )MKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9 b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
new file mode 100644
index 0000000000..99e2c48bbd
--- /dev/null
+++ b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OKH

+tHTHTTP/1. 20TP/01.020(: Oes,H0 OKH

+

+tteses
\ No newline at end of file
diff --git a/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
new file mode 100644
index 0000000000..776253d750
--- /dev/null
+++ b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
@@ -0,0 +1,2 @@
+ITTp/11 …20O HTTP/*1.1 200 OKH

+	 HTDP/02.021 : OesHK
,H

diff --git a/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548 b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
new file mode 100644
index 0000000000..b1927fbf63
--- /dev/null
+++ b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
@@ -0,0 +1,3 @@
+HTHHTT`TT
+/1.1 201 P*/OKH

+des1.1 2T
\ No newline at end of file
diff --git a/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1 b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
new file mode 100644
index 0000000000..0eb2c0da3a
--- /dev/null
+++ b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
@@ -0,0 +1,2 @@
+@TTP/1.1y 002ÿOKH

+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8 b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
new file mode 100644
index 0000000000..f93b9a08e3
--- /dev/null
+++ b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
@@ -0,0 +1,3 @@
+„HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH

+tHT/:/80 OKH

+1
\ No newline at end of file
diff --git a/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1 b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
new file mode 100644
index 0000000000..4ea07dc137
--- /dev/null
+++ b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
@@ -0,0 +1,5 @@
+JHTTP/1>GET / HTTP/2.0
+1 200 OKH

+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85 b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
new file mode 100644
index 0000000000..2e95bac35c
--- /dev/null
+++ b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
@@ -0,0 +1,3 @@
+„HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH

+tHT//80) OKH

+1
\ No newline at end of file
diff --git a/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441 b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
new file mode 100644
index 0000000000..837449dda3
--- /dev/null
+++ b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
@@ -0,0 +1,2 @@
+HTTP/1.1 80î OH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0 b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
new file mode 100644
index 0000000000..6075d0a5d7
--- /dev/null
+++ b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
@@ -0,0 +1,17 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH

+tHHTTP/1.1 20TTP/00.021 :Oe¶,H

+test: h!eHTTP/1.1 200 OKH

+llo
+
+abcdtH
+TTP/01.021 : Oes,0 OKH
TTP/16.1 200 OK
+tesH

+tHTTP/00.021 :Oe¶,H

+test: h!eHTTP/1.1 200 OKH

+llo
+
+abcdtH
+TTP/01.021 : Oes,H

+Ht

+teses
\ No newline at end of file
diff --git a/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47 b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
new file mode 100644
index 0000000000..10905bed39
--- /dev/null
+++ b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
@@ -0,0 +1,2 @@
+JHTTP/1.1 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940 b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
new file mode 100644
index 0000000000..4539d9f012
--- /dev/null
+++ b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/2OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8 b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
new file mode 100644
index 0000000000..2704e4fb39
--- /dev/null
+++ b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
@@ -0,0 +1,2 @@
+HTTP/1.1 767) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2 b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
new file mode 100644
index 0000000000..f5cbbc69e7
--- /dev/null
+++ b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
@@ -0,0 +1,3 @@
+HJHTHHTT`TT
+/1.1 201 P*HHTT/T1/OKH

+des1.1 2.1T 20T1
\ No newline at end of file
diff --git a/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70 b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
new file mode 100644
index 0000000000..f6ea09c41b
--- /dev/null
+++ b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTPHTTP/1.1 80î OH/1OKH.0 200 OKH

+tHTTP/0

+te
\ No newline at end of file
diff --git a/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
new file mode 100644
index 0000000000..e241a0c01c
--- /dev/null
+++ b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
@@ -0,0 +1,17 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesHTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH

+tHTTP/00.021 :Oe¶,H

+test: h!eHTTP/1.1 200H

+tHTTP/00.010 :Oe¶,H

+test: h!eHTTP/1.… 200 OKH

+llo
+
+abcdtH
+TTP/01.02 : Oes,H OKH

+llo
+
+abcdtH
+TTP/01.021 : Oes
,
+H

+tteess
\ No newline at end of file
diff --git a/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453 b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
new file mode 100644
index 0000000000..be33d81102
--- /dev/null
+++ b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+ HTTP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629 b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
new file mode 100644
index 0000000000..e81a59f30b
--- /dev/null
+++ b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
@@ -0,0 +1,2 @@
+ÏHTTP‰/1.200:OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4 b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
new file mode 100644
index 0000000000..ccf918751d
--- /dev/null
+++ b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
@@ -0,0 +1,2 @@
+HTTP‰/1.200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
new file mode 100644
index 0000000000..b6fc095920
--- /dev/null
+++ b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTRHTTP/1.1 0î OL/1OKH.0 200 OKH

+tHTTP/0

+te
\ No newline at end of file
diff --git a/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089 b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
new file mode 100644
index 0000000000..98b5f62b2a
--- /dev/null
+++ b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
@@ -0,0 +1,2 @@
+TTHP‰/1.200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
new file mode 100644
index 0000000000..78b36c913b
--- /dev/null
+++ b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
@@ -0,0 +1,2 @@
+ITHTTTPHT/12 …2S HTKP/1.1 767) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066 b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
new file mode 100644
index 0000000000..06f1a3b800
--- /dev/null
+++ b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
@@ -0,0 +1 @@
+HH
\ No newline at end of file
diff --git a/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
new file mode 100644
index 0000000000..eb63d31fa5
--- /dev/null
+++ b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/1.1 200 OKH

+HT 	DP/01021 : OesHK
,H

diff --git a/test/core/http/corpus/request1.txt b/test/core/http/corpus/request1.txt
new file mode 100644
index 0000000000..16a750fbf9
--- /dev/null
+++ b/test/core/http/corpus/request1.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+
+
diff --git a/test/core/http/corpus/request2.txt b/test/core/http/corpus/request2.txt
new file mode 100644
index 0000000000..897a28406c
--- /dev/null
+++ b/test/core/http/corpus/request2.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request3.txt b/test/core/http/corpus/request3.txt
new file mode 100644
index 0000000000..aaa75bbb52
--- /dev/null
+++ b/test/core/http/corpus/request3.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request4.txt b/test/core/http/corpus/request4.txt
new file mode 100644
index 0000000000..593f6fa7b6
--- /dev/null
+++ b/test/core/http/corpus/request4.txt
@@ -0,0 +1,3 @@
+GET /foo.bar HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request5.txt b/test/core/http/corpus/request5.txt
new file mode 100644
index 0000000000..19fb244355
--- /dev/null
+++ b/test/core/http/corpus/request5.txt
@@ -0,0 +1,3 @@
+POST / HTTP/1.0
+
+asdlfkjadsfl;akdjsfasdf
diff --git a/test/core/http/corpus/response1.txt b/test/core/http/corpus/response1.txt
new file mode 100644
index 0000000000..a17139982e
--- /dev/null
+++ b/test/core/http/corpus/response1.txt
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response2.txt b/test/core/http/corpus/response2.txt
new file mode 100644
index 0000000000..1b86449bb6
--- /dev/null
+++ b/test/core/http/corpus/response2.txt
@@ -0,0 +1,4 @@
+HTTP/0.9 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response3.txt b/test/core/http/corpus/response3.txt
new file mode 100644
index 0000000000..9e5b046c59
--- /dev/null
+++ b/test/core/http/corpus/response3.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 102384398
+
+abcd
diff --git a/test/core/http/corpus/response4.txt b/test/core/http/corpus/response4.txt
new file mode 100644
index 0000000000..b237b01fe0
--- /dev/null
+++ b/test/core/http/corpus/response4.txt
@@ -0,0 +1,2 @@
+HTTP/1.1 404 Not Found
+
diff --git a/test/core/http/corpus/response5.txt b/test/core/http/corpus/response5.txt
new file mode 100644
index 0000000000..2630595713
--- /dev/null
+++ b/test/core/http/corpus/response5.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 4
+
+abcd
diff --git a/test/core/http/corpus/response6.txt b/test/core/http/corpus/response6.txt
new file mode 100644
index 0000000000..797b6ee773
--- /dev/null
+++ b/test/core/http/corpus/response6.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 6
+
+abcd
diff --git a/test/core/http/corpus/toolong.txt b/test/core/http/corpus/toolong.txt
new file mode 100644
index 0000000000..9a9d5e2fc3
--- /dev/null
+++ b/test/core/http/corpus/toolong.txt
@@ -0,0 +1,2 @@
+GET / HTTP/1.1
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb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diff --git a/test/core/httpcli/format_request_test.c b/test/core/http/format_request_test.c
index da850049e2..0d21e1200b 100644
--- a/test/core/httpcli/format_request_test.c
+++ b/test/core/http/format_request_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/httpcli/format_request.h"
+#include "src/core/lib/http/format_request.h"
 
 #include <string.h>
 
@@ -39,15 +39,15 @@
 #include "test/core/util/test_config.h"
 
 static void test_format_get_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_get_request(&req);
 
@@ -64,7 +64,7 @@ static void test_format_get_request(void) {
 }
 
 static void test_format_post_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake body";
@@ -72,9 +72,9 @@ static void test_format_post_request(void) {
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -94,15 +94,15 @@ static void test_format_post_request(void) {
 }
 
 static void test_format_post_request_no_body(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, NULL, 0);
 
@@ -119,7 +119,7 @@ static void test_format_post_request_no_body(void) {
 }
 
 static void test_format_post_request_content_type_override(void) {
-  grpc_httpcli_header hdrs[2];
+  grpc_http_header hdrs[2];
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake%20body";
@@ -131,9 +131,9 @@ static void test_format_post_request_content_type_override(void) {
   hdrs[1].value = "application/x-www-form-urlencoded";
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 2;
-  req.hdrs = hdrs;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 2;
+  req.http.hdrs = hdrs;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -142,8 +142,7 @@ static void test_format_post_request_content_type_override(void) {
                       "POST /index.html HTTP/1.0\r\n"
                       "Host: example.com\r\n"
                       "Connection: close\r\n"
-                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT
-                      "\r\n"
+                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"
                       "x-yz: abc\r\n"
                       "Content-Type: application/x-www-form-urlencoded\r\n"
                       "Content-Length: 11\r\n"
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.h b/test/core/http/fuzzer.c
index a6f002dd6d..7e4f4eb993 100644
--- a/src/core/client_config/resolvers/zookeeper_resolver.h
+++ b/test/core/http/fuzzer.c
@@ -31,12 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H
+#include <stdint.h>
+#include <string.h>
 
-#include "src/core/client_config/resolver_factory.h"
+#include <grpc/support/alloc.h>
 
-/** Create a zookeeper resolver factory */
-grpc_resolver_factory *grpc_zookeeper_resolver_factory_create(void);
+#include "src/core/lib/http/parser.h"
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H */
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_http_parser parser;
+  grpc_http_parser_init(&parser);
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_http_parser_parse(&parser, slice);
+  grpc_http_parser_eof(&parser);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&parser);
+  return 0;
+}
diff --git a/test/core/httpcli/httpcli_test.c b/test/core/http/httpcli_test.c
index 651ef1fa3b..d3a68d0eb8 100644
--- a/test/core/httpcli/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,23 +31,24 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static int g_done = 0;
 static grpc_httpcli_context g_context;
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static gpr_timespec n_seconds_time(int seconds) {
   return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(seconds);
@@ -63,10 +64,10 @@ static void on_finish(grpc_exec_ctx *exec_ctx, void *arg,
   GPR_ASSERT(response->status == 200);
   GPR_ASSERT(response->body_length == strlen(expect));
   GPR_ASSERT(0 == memcmp(expect, response->body, response->body_length));
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_get(int port) {
@@ -82,21 +83,21 @@ static void test_get(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_plaintext;
 
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pollset, &req, n_seconds_time(15),
+  grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
                    on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -113,21 +114,21 @@ static void test_post(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_plaintext;
 
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pollset, &req, "hello", 5,
+  grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
                     n_seconds_time(15), on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -143,31 +144,35 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[4];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  server = gpr_subprocess_create(3, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  server = gpr_subprocess_create(3 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
@@ -175,17 +180,20 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   grpc_httpcli_context_init(&g_context);
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_get(port);
   test_post(port);
 
   grpc_httpcli_context_destroy(&g_context);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   gpr_subprocess_destroy(server);
 
   return 0;
diff --git a/test/core/httpcli/httpscli_test.c b/test/core/http/httpscli_test.c
index db41be17e7..d807336904 100644
--- a/test/core/httpcli/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,23 +31,24 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static int g_done = 0;
 static grpc_httpcli_context g_context;
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static gpr_timespec n_seconds_time(int seconds) {
   return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(seconds);
@@ -63,10 +64,10 @@ static void on_finish(grpc_exec_ctx *exec_ctx, void *arg,
   GPR_ASSERT(response->status == 200);
   GPR_ASSERT(response->body_length == strlen(expect));
   GPR_ASSERT(0 == memcmp(expect, response->body, response->body_length));
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_get(int port) {
@@ -83,21 +84,21 @@ static void test_get(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_ssl;
 
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pollset, &req, n_seconds_time(15),
+  grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
                    on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -115,21 +116,21 @@ static void test_post(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_ssl;
 
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pollset, &req, "hello", 5,
+  grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
                     n_seconds_time(15), on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -145,32 +146,36 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[5];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  args[3] = "--ssl";
-  server = gpr_subprocess_create(4, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  args[3 + arg_shift] = "--ssl";
+  server = gpr_subprocess_create(4 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
@@ -178,17 +183,20 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   grpc_httpcli_context_init(&g_context);
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_get(port);
   test_post(port);
 
   grpc_httpcli_context_destroy(&g_context);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   gpr_subprocess_destroy(server);
 
   return 0;
diff --git a/test/core/http/parser_test.c b/test/core/http/parser_test.c
new file mode 100644
index 0000000000..10936754d9
--- /dev/null
+++ b/test/core/http/parser_test.c
@@ -0,0 +1,295 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/http/parser.h"
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/slice_splitter.h"
+#include "test/core/util/test_config.h"
+
+static void test_request_succeeds(grpc_slice_split_mode split_mode,
+                                  char *request, char *expect_method,
+                                  grpc_http_version expect_version,
+                                  char *expect_path, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(request);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_REQUEST == parser.type);
+  GPR_ASSERT(0 == strcmp(expect_method, parser.http.request.method));
+  GPR_ASSERT(0 == strcmp(expect_path, parser.http.request.path));
+  GPR_ASSERT(expect_version == parser.http.request.version);
+
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.request.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.request.body,
+                           parser.http.request.body_length));
+  } else {
+    GPR_ASSERT(parser.http.request.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.request.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.request.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.request.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.request.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
+                          int expect_status, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_RESPONSE == parser.type);
+  GPR_ASSERT(expect_status == parser.http.response.status);
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.response.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.response.body,
+                           parser.http.response.body_length));
+  } else {
+    GPR_ASSERT(parser.http.response.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.response.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.response.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.response.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.response.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_fails(grpc_slice_split_mode split_mode, char *response) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  int done = 0;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    if (!done && !grpc_http_parser_parse(&parser, slices[i])) {
+      done = 1;
+    }
+    gpr_slice_unref(slices[i]);
+  }
+  if (!done && !grpc_http_parser_eof(&parser)) {
+    done = 1;
+  }
+  GPR_ASSERT(done);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static const uint8_t failed_test1[] = {
+    0x9e, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x4a,
+    0x48, 0x54, 0x54, 0x30, 0x32, 0x16, 0xa,  0x2f, 0x48, 0x20,
+    0x31, 0x2e, 0x31, 0x20, 0x32, 0x30, 0x31, 0x54, 0x54, 0xb9,
+    0x32, 0x31, 0x2e, 0x20, 0x32, 0x30, 0x20,
+};
+
+typedef struct {
+  const char *name;
+  const uint8_t *data;
+  size_t length;
+} failed_test;
+
+#define FAILED_TEST(name) \
+  { #name, name, sizeof(name) }
+
+failed_test failed_tests[] = {
+    FAILED_TEST(failed_test1),
+};
+
+static void test_doesnt_crash(failed_test t) {
+  gpr_log(GPR_DEBUG, "Run previously failed test: %s", t.name);
+  grpc_http_parser p;
+  grpc_http_parser_init(&p);
+  gpr_slice slice =
+      gpr_slice_from_copied_buffer((const char *)t.data, t.length);
+  grpc_http_parser_parse(&p, slice);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&p);
+}
+
+int main(int argc, char **argv) {
+  size_t i;
+  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
+                                               GRPC_SLICE_SPLIT_ONE_BYTE};
+  char *tmp1, *tmp2;
+
+  grpc_test_init(argc, argv);
+
+  for (i = 0; i < GPR_ARRAY_SIZE(failed_tests); i++) {
+    test_doesnt_crash(failed_tests[i]);
+  }
+
+  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 404 Not Found\r\n"
+                  "\r\n",
+                  404, NULL, NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.1 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n",
+                          "GET", GRPC_HTTP_HTTP10, "/", NULL, NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.1\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP11, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/2.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP20, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "xyz: abc\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", "xyz", "abc",
+                          NULL);
+    test_fails(split_modes[i], "HTTP/1.0\r\n");
+    test_fails(split_modes[i], "HTTP/1.2\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
+    test_fails(split_modes[i],
+               "HTTP/1.0 200 OK\r\n"
+               "xyz: abc\r\n"
+               "  def\r\n"
+               "\r\n"
+               "hello world!");
+    test_fails(split_modes[i], "GET\r\n");
+    test_fails(split_modes[i], "GET /\r\n");
+    test_fails(split_modes[i], "GET / HTTP/0.0\r\n");
+    test_fails(split_modes[i], "GET / ____/1.0\r\n");
+    test_fails(split_modes[i], "GET / HTTP/1.2\r\n");
+
+    tmp1 = gpr_malloc(2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
+    memset(tmp1, 'a', 2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1);
+    tmp1[2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1] = 0;
+    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
+    test_fails(split_modes[i], tmp2);
+    gpr_free(tmp1);
+    gpr_free(tmp2);
+  }
+
+  return 0;
+}
diff --git a/test/core/httpcli/test_server.py b/test/core/http/test_server.py
index dbbf5ceb3c..86c2fe96bf 100755
--- a/test/core/httpcli/test_server.py
+++ b/test/core/http/test_server.py
@@ -36,8 +36,8 @@ import os
 import ssl
 import sys
 
-_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.pem'))
-_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.key'))
+_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.pem'))
+_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.key'))
 print _PEM
 open(_PEM).close()
 
diff --git a/test/core/httpcli/parser_test.c b/test/core/httpcli/parser_test.c
deleted file mode 100644
index a26ddd2821..0000000000
--- a/test/core/httpcli/parser_test.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/httpcli/parser.h"
-
-#include <stdarg.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/slice_splitter.h"
-#include "test/core/util/test_config.h"
-
-static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
-                          int expect_status, char *expect_body, ...) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  va_list args;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    GPR_ASSERT(grpc_httpcli_parser_parse(&parser, slices[i]));
-    gpr_slice_unref(slices[i]);
-  }
-  GPR_ASSERT(grpc_httpcli_parser_eof(&parser));
-
-  GPR_ASSERT(expect_status == parser.r.status);
-  if (expect_body != NULL) {
-    GPR_ASSERT(strlen(expect_body) == parser.r.body_length);
-    GPR_ASSERT(0 == memcmp(expect_body, parser.r.body, parser.r.body_length));
-  } else {
-    GPR_ASSERT(parser.r.body_length == 0);
-  }
-
-  va_start(args, expect_body);
-  i = 0;
-  for (;;) {
-    char *expect_key;
-    char *expect_value;
-    expect_key = va_arg(args, char *);
-    if (!expect_key) break;
-    GPR_ASSERT(i < parser.r.hdr_count);
-    expect_value = va_arg(args, char *);
-    GPR_ASSERT(expect_value);
-    GPR_ASSERT(0 == strcmp(expect_key, parser.r.hdrs[i].key));
-    GPR_ASSERT(0 == strcmp(expect_value, parser.r.hdrs[i].value));
-    i++;
-  }
-  va_end(args);
-  GPR_ASSERT(i == parser.r.hdr_count);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-static void test_fails(grpc_slice_split_mode split_mode, char *response) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  int done = 0;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    if (!done && !grpc_httpcli_parser_parse(&parser, slices[i])) {
-      done = 1;
-    }
-    gpr_slice_unref(slices[i]);
-  }
-  if (!done && !grpc_httpcli_parser_eof(&parser)) {
-    done = 1;
-  }
-  GPR_ASSERT(done);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-int main(int argc, char **argv) {
-  size_t i;
-  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
-                                               GRPC_SLICE_SPLIT_ONE_BYTE};
-  char *tmp1, *tmp2;
-
-  grpc_test_init(argc, argv);
-
-  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 404 Not Found\r\n"
-                  "\r\n",
-                  404, NULL, NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.1 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_fails(split_modes[i], "HTTP/1.0\r\n");
-    test_fails(split_modes[i], "HTTP/1.2\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
-    test_fails(split_modes[i],
-               "HTTP/1.0 200 OK\r\n"
-               "xyz: abc\r\n"
-               "  def\r\n"
-               "\r\n"
-               "hello world!");
-
-    tmp1 = gpr_malloc(2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH);
-    memset(tmp1, 'a', 2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1);
-    tmp1[2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1] = 0;
-    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
-    test_fails(split_modes[i], tmp2);
-    gpr_free(tmp1);
-    gpr_free(tmp2);
-  }
-
-  return 0;
-}
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
new file mode 100644
index 0000000000..f87a80cd90
--- /dev/null
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -0,0 +1,115 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/executor.h"
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+static void test_code(void) {
+  /* iomgr.h */
+  grpc_iomgr_init();
+  grpc_iomgr_shutdown();
+
+  /* closure.h */
+  grpc_closure closure;
+  closure.cb = NULL;
+  closure.cb_arg = NULL;
+  closure.final_data = 0;
+
+  grpc_closure_list closure_list = GRPC_CLOSURE_LIST_INIT;
+  closure_list.head = NULL;
+  closure_list.tail = NULL;
+
+  grpc_closure_init(&closure, NULL, NULL);
+
+  grpc_closure_create(NULL, NULL);
+
+  grpc_closure_list_move(NULL, NULL);
+  grpc_closure_list_add(NULL, NULL, true);
+  bool x = grpc_closure_list_empty(closure_list);
+  grpc_closure_next(&closure);
+
+  /* exec_ctx.h */
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_exec_ctx_flush(&exec_ctx);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_exec_ctx_enqueue(&exec_ctx, &closure, x, NULL);
+  grpc_exec_ctx_enqueue_list(&exec_ctx, &closure_list, NULL);
+
+  /* endpoint.h */
+  grpc_endpoint endpoint;
+  grpc_endpoint_vtable vtable = {
+      grpc_endpoint_read,           grpc_endpoint_write,
+      grpc_endpoint_add_to_pollset, grpc_endpoint_add_to_pollset_set,
+      grpc_endpoint_shutdown,       grpc_endpoint_destroy,
+      grpc_endpoint_get_peer};
+  endpoint.vtable = &vtable;
+
+  grpc_endpoint_read(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_get_peer(&endpoint);
+  grpc_endpoint_write(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_shutdown(&exec_ctx, &endpoint);
+  grpc_endpoint_destroy(&exec_ctx, &endpoint);
+  grpc_endpoint_add_to_pollset(&exec_ctx, &endpoint, NULL);
+  grpc_endpoint_add_to_pollset_set(&exec_ctx, &endpoint, NULL);
+
+  /* executor.h */
+  grpc_executor_init();
+  grpc_executor_enqueue(&closure, x);
+  grpc_executor_shutdown();
+
+  /* pollset.h */
+  grpc_pollset_size();
+  grpc_pollset_init(NULL, NULL);
+  grpc_pollset_shutdown(NULL, NULL, NULL);
+  grpc_pollset_reset(NULL);
+  grpc_pollset_destroy(NULL);
+  grpc_pollset_work(NULL, NULL, NULL, gpr_now(GPR_CLOCK_REALTIME),
+                    gpr_now(GPR_CLOCK_MONOTONIC));
+  grpc_pollset_kick(NULL, NULL);
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/src/core/channel/connected_channel.h b/test/core/internal_api_canaries/support.c
index 95c1834bfa..c51cbf2522 100644
--- a/src/core/channel/connected_channel.h
+++ b/test/core/internal_api_canaries/support.c
@@ -31,21 +31,28 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H
-
-#include "src/core/channel/channel_stack.h"
-
-/* A channel filter representing a channel that is on a connected transport.
-   This filter performs actual sending and receiving of messages. */
-
-extern const grpc_channel_filter grpc_connected_channel_filter;
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
 
-/* Post construction fixup: set the transport in the connected channel.
-   Must be called before any call stack using this filter is used. */
-void grpc_connected_channel_bind_transport(grpc_channel_stack* channel_stack,
-                                           grpc_transport* transport);
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/tmpfile.h"
 
-grpc_stream* grpc_connected_channel_get_stream(grpc_call_element* elem);
+static void test_code(void) {
+  /* env.h */
+  gpr_set_env("abc", gpr_getenv("xyz"));
+  /* load_file.h */
+  gpr_load_file("abc", 1, NULL);
+  /* tmpfile.h */
+  fclose(gpr_tmpfile("foo", NULL));
+}
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H */
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
new file mode 100644
index 0000000000..0617865412
--- /dev/null
+++ b/test/core/internal_api_canaries/transport.c
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+#include "src/core/lib/transport/transport.h"
+#include "src/core/lib/transport/transport_impl.h"
+
+static void test_code(void) {
+  /* transport_impl.h */
+  grpc_transport transport;
+  grpc_transport_vtable vtable = {12345,
+                                  grpc_transport_init_stream,
+                                  grpc_transport_set_pollset,
+                                  grpc_transport_perform_stream_op,
+                                  grpc_transport_perform_op,
+                                  grpc_transport_destroy_stream,
+                                  grpc_transport_destroy,
+                                  grpc_transport_get_peer};
+  transport.vtable = &vtable;
+
+  /* transport.h */
+  GRPC_STREAM_REF_INIT(NULL, 0, NULL, NULL, "xyz");
+  GPR_ASSERT(0 == grpc_transport_stream_size(NULL));
+  GPR_ASSERT(grpc_transport_init_stream(&transport, NULL, NULL, NULL, NULL));
+  grpc_transport_set_pollset(&transport, NULL, NULL, NULL);
+  grpc_transport_destroy_stream(&transport, NULL, NULL);
+  grpc_transport_stream_op_finish_with_failure(NULL, NULL);
+  grpc_transport_stream_op_add_cancellation(NULL, GRPC_STATUS_UNAVAILABLE);
+  grpc_transport_stream_op_add_close(NULL, GRPC_STATUS_UNAVAILABLE,
+                                     grpc_transport_op_string(NULL));
+  grpc_transport_perform_stream_op(&transport, NULL, NULL, NULL);
+  grpc_transport_perform_op(&transport, NULL, NULL);
+  grpc_transport_ping(&transport, NULL);
+  grpc_transport_goaway(&transport, GRPC_STATUS_UNAVAILABLE,
+                        gpr_slice_malloc(0));
+  grpc_transport_close(&transport);
+  grpc_transport_destroy(&transport, NULL);
+  GPR_ASSERT("xyz" == grpc_transport_get_peer(&transport, NULL));
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index 7e266ebfb9..0df94a878f 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,17 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
-
+#include "src/core/lib/iomgr/endpoint_pair.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/iomgr/endpoint_pair.h"
-#include "test/core/util/test_config.h"
 #include "test/core/iomgr/endpoint_tests.h"
+#include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static void clean_up(void) {}
 
@@ -54,8 +53,8 @@ static grpc_endpoint_test_fixture create_fixture_endpoint_pair(
 
   f.client_ep = p.client;
   f.server_ep = p.server;
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
 
   return f;
@@ -74,12 +73,14 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
-  grpc_endpoint_tests(configs[0], &g_pollset);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
 
   return 0;
 }
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index 1b6a78da9a..52082c3c6b 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 #include <sys/types.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/slice.h>
 #include <grpc/support/log.h>
+#include <grpc/support/slice.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
@@ -58,6 +58,7 @@
 
 */
 
+static gpr_mu *g_mu;
 static grpc_pollset *g_pollset;
 
 size_t count_slices(gpr_slice *slices, size_t nslices, int *current_data) {
@@ -88,7 +89,7 @@ static void end_test(grpc_endpoint_test_config config) { config.clean_up(); }
 static gpr_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
                                   size_t *num_blocks, uint8_t *current_data) {
   size_t nslices = num_bytes / slice_size + (num_bytes % slice_size ? 1 : 0);
-  gpr_slice *slices = malloc(sizeof(gpr_slice) * nslices);
+  gpr_slice *slices = gpr_malloc(sizeof(gpr_slice) * nslices);
   size_t num_bytes_left = num_bytes;
   size_t i;
   size_t j;
@@ -134,10 +135,10 @@ static void read_and_write_test_read_handler(grpc_exec_ctx *exec_ctx,
       state->incoming.slices, state->incoming.count, &state->current_read_data);
   if (state->bytes_read == state->target_bytes || !success) {
     gpr_log(GPR_INFO, "Read handler done");
-    gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+    gpr_mu_lock(g_mu);
     state->read_done = 1 + success;
     grpc_pollset_kick(g_pollset, NULL);
-    gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+    gpr_mu_unlock(g_mu);
   } else if (success) {
     grpc_endpoint_read(exec_ctx, state->read_ep, &state->incoming,
                        &state->done_read);
@@ -163,16 +164,16 @@ static void read_and_write_test_write_handler(grpc_exec_ctx *exec_ctx,
       gpr_slice_buffer_addn(&state->outgoing, slices, nslices);
       grpc_endpoint_write(exec_ctx, state->write_ep, &state->outgoing,
                           &state->done_write);
-      free(slices);
+      gpr_free(slices);
       return;
     }
   }
 
   gpr_log(GPR_INFO, "Write handler done");
-  gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_lock(g_mu);
   state->write_done = 1 + success;
   grpc_pollset_kick(g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Do both reading and writing using the grpc_endpoint API.
@@ -232,14 +233,14 @@ static void read_and_write_test(grpc_endpoint_test_config config,
   }
   grpc_exec_ctx_finish(&exec_ctx);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_lock(g_mu);
   while (!state.read_done || !state.write_done) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     GPR_ASSERT(gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), deadline) < 0);
     grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
 
   end_test(config);
@@ -251,9 +252,10 @@ static void read_and_write_test(grpc_endpoint_test_config config,
 }
 
 void grpc_endpoint_tests(grpc_endpoint_test_config config,
-                         grpc_pollset *pollset) {
+                         grpc_pollset *pollset, gpr_mu *mu) {
   size_t i;
   g_pollset = pollset;
+  g_mu = mu;
   read_and_write_test(config, 10000000, 100000, 8192, 0);
   read_and_write_test(config, 1000000, 100000, 1, 0);
   read_and_write_test(config, 100000000, 100000, 1, 1);
diff --git a/test/core/iomgr/endpoint_tests.h b/test/core/iomgr/endpoint_tests.h
index 700f854891..586010c863 100644
--- a/test/core/iomgr/endpoint_tests.h
+++ b/test/core/iomgr/endpoint_tests.h
@@ -36,7 +36,7 @@
 
 #include <sys/types.h>
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 typedef struct grpc_endpoint_test_config grpc_endpoint_test_config;
 typedef struct grpc_endpoint_test_fixture grpc_endpoint_test_fixture;
@@ -53,6 +53,6 @@ struct grpc_endpoint_test_config {
 };
 
 void grpc_endpoint_tests(grpc_endpoint_test_config config,
-                         grpc_pollset *pollset);
+                         grpc_pollset *pollset, gpr_mu *mu);
 
 #endif /* GRPC_TEST_CORE_IOMGR_ENDPOINT_TESTS_H */
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.c
index 401bf70a9e..bbb3f46497 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.c
@@ -35,9 +35,9 @@
 
 #include <grpc/support/log.h>
 
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
 
 int main(int argc, char **argv) {
   int i;
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 347a86af10..f97f33712e 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 #include <ctype.h>
 #include <errno.h>
@@ -49,9 +49,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 /* buffer size used to send and receive data.
    1024 is the minimal value to set TCP send and receive buffer. */
@@ -131,7 +135,7 @@ static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
 static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                             bool success) {
   session *se = arg;
-  int fd = se->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(se->em_fd);
 
   ssize_t read_once = 0;
   ssize_t read_total = 0;
@@ -179,10 +183,10 @@ static void listen_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg /*server */,
 
   grpc_fd_orphan(exec_ctx, sv->em_fd, NULL, NULL, "b");
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   sv->done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 /* Called when a new TCP connection request arrives in the listening port. */
@@ -201,7 +205,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
     return;
   }
 
-  fd = accept(listen_em_fd->fd, (struct sockaddr *)&ss, &slen);
+  fd = accept(grpc_fd_wrapped_fd(listen_em_fd), (struct sockaddr *)&ss, &slen);
   GPR_ASSERT(fd >= 0);
   GPR_ASSERT(fd < FD_SETSIZE);
   flags = fcntl(fd, F_GETFL, 0);
@@ -209,7 +213,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
   se = gpr_malloc(sizeof(*se));
   se->sv = sv;
   se->em_fd = grpc_fd_create(fd, "listener");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, se->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, se->em_fd);
   se->session_read_closure.cb = session_read_cb;
   se->session_read_closure.cb_arg = se;
   grpc_fd_notify_on_read(exec_ctx, se->em_fd, &se->session_read_closure);
@@ -238,7 +242,7 @@ static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
   GPR_ASSERT(listen(fd, MAX_NUM_FD) == 0);
 
   sv->em_fd = grpc_fd_create(fd, "server");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, sv->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, sv->em_fd);
   /* Register to be interested in reading from listen_fd. */
   sv->listen_closure.cb = listen_cb;
   sv->listen_closure.cb_arg = sv;
@@ -249,18 +253,18 @@ static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
 
 /* Wait and shutdown a sever. */
 static void server_wait_and_shutdown(server *sv) {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!sv->done) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* ===An upload client to test notify_on_write=== */
@@ -296,20 +300,20 @@ static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
   client *cl = arg;
   grpc_fd_orphan(exec_ctx, cl->em_fd, NULL, NULL, "c");
   cl->done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
+  grpc_pollset_kick(g_pollset, NULL);
 }
 
 /* Write as much as possible, then register notify_on_write. */
 static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
                                  bool success) {
   client *cl = arg;
-  int fd = cl->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(cl->em_fd);
   ssize_t write_once = 0;
 
   if (!success) {
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
     client_session_shutdown_cb(exec_ctx, arg, 1);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     return;
   }
 
@@ -319,7 +323,7 @@ static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
   } while (write_once > 0);
 
   if (errno == EAGAIN) {
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
     if (cl->client_write_cnt < CLIENT_TOTAL_WRITE_CNT) {
       cl->write_closure.cb = client_session_write;
       cl->write_closure.cb_arg = cl;
@@ -328,7 +332,7 @@ static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
     } else {
       client_session_shutdown_cb(exec_ctx, arg, 1);
     }
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   } else {
     gpr_log(GPR_ERROR, "unknown errno %s", strerror(errno));
     abort();
@@ -357,25 +361,25 @@ static void client_start(grpc_exec_ctx *exec_ctx, client *cl, int port) {
   }
 
   cl->em_fd = grpc_fd_create(fd, "client");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, cl->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, cl->em_fd);
 
   client_session_write(exec_ctx, cl, 1);
 }
 
 /* Wait for the signal to shutdown a client. */
 static void client_wait_and_shutdown(client *cl) {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!cl->done) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Test grpc_fd. Start an upload server and client, upload a stream of
@@ -410,20 +414,20 @@ static void first_read_callback(grpc_exec_ctx *exec_ctx,
                                 void *arg /* fd_change_data */, bool success) {
   fd_change_data *fdc = arg;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   fdc->cb_that_ran = first_read_callback;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void second_read_callback(grpc_exec_ctx *exec_ctx,
                                  void *arg /* fd_change_data */, bool success) {
   fd_change_data *fdc = arg;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   fdc->cb_that_ran = second_read_callback;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 /* Test that changing the callback we use for notify_on_read actually works.
@@ -456,7 +460,7 @@ static void test_grpc_fd_change(void) {
   GPR_ASSERT(fcntl(sv[1], F_SETFL, flags | O_NONBLOCK) == 0);
 
   em_fd = grpc_fd_create(sv[0], "test_grpc_fd_change");
-  grpc_pollset_add_fd(&exec_ctx, &g_pollset, em_fd);
+  grpc_pollset_add_fd(&exec_ctx, g_pollset, em_fd);
 
   /* Register the first callback, then make its FD readable */
   grpc_fd_notify_on_read(&exec_ctx, em_fd, &first_closure);
@@ -465,18 +469,18 @@ static void test_grpc_fd_change(void) {
   GPR_ASSERT(result == 1);
 
   /* And now wait for it to run. */
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (a.cb_that_ran == NULL) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(a.cb_that_ran == first_read_callback);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* And drain the socket so we can generate a new read edge */
   result = read(sv[0], &data, 1);
@@ -489,19 +493,19 @@ static void test_grpc_fd_change(void) {
   result = write(sv[1], &data, 1);
   GPR_ASSERT(result == 1);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (b.cb_that_ran == NULL) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   /* Except now we verify that second_read_callback ran instead */
   GPR_ASSERT(b.cb_that_ran == second_read_callback);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   grpc_fd_orphan(&exec_ctx, em_fd, NULL, NULL, "d");
   grpc_exec_ctx_finish(&exec_ctx);
@@ -519,12 +523,14 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_iomgr_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
   test_grpc_fd();
   test_grpc_fd_change();
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(g_pollset);
   grpc_iomgr_shutdown();
   return 0;
 }
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index 56ce091a88..a66edc9df2 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/executor.h"
+#include "src/core/lib/iomgr/resolve_address.h"
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/executor.h"
 #include "test/core/util/test_config.h"
 
 static gpr_timespec test_deadline(void) {
diff --git a/test/core/iomgr/sockaddr_utils_test.c b/test/core/iomgr/sockaddr_utils_test.c
index a7b57c1466..a330314443 100644
--- a/test/core/iomgr/sockaddr_utils_test.c
+++ b/test/core/iomgr/sockaddr_utils_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.c
index 58c3fbc0ae..85c027a978 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.c
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 9725d8a3b6..22dc9366c3 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -40,15 +40,19 @@
 #include <unistd.h>
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static grpc_pollset_set g_pollset_set;
-static grpc_pollset g_pollset;
+static grpc_pollset_set *g_pollset_set;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 static int g_connections_complete = 0;
 static grpc_endpoint *g_connecting = NULL;
 
@@ -57,10 +61,10 @@ static gpr_timespec test_deadline(void) {
 }
 
 static void finish_connection() {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_connections_complete++;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
@@ -98,14 +102,14 @@ void test_succeeds(void) {
   GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
   GPR_ASSERT(0 == listen(svr_fd, 1));
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* connect to it */
   GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
   grpc_closure_init(&done, must_succeed, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -117,19 +121,21 @@ void test_succeeds(void) {
   GPR_ASSERT(r >= 0);
   close(r);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   while (g_connections_complete == connections_complete_before) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(g_mu);
   }
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
+
+  grpc_exec_ctx_finish(&exec_ctx);
 }
 
 void test_fails(void) {
@@ -144,118 +150,33 @@ void test_fails(void) {
   memset(&addr, 0, sizeof(addr));
   addr.sin_family = AF_INET;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* connect to a broken address */
   grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   /* wait for the connection callback to finish */
   while (g_connections_complete == connections_complete_before) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC), test_deadline());
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  }
-
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-}
-
-void test_times_out(void) {
-  struct sockaddr_in addr;
-  socklen_t addr_len = sizeof(addr);
-  int svr_fd;
-#define NUM_CLIENT_CONNECTS 100
-  int client_fd[NUM_CLIENT_CONNECTS];
-  int i;
-  int r;
-  int connections_complete_before;
-  gpr_timespec connect_deadline;
-  grpc_closure done;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-
-  gpr_log(GPR_DEBUG, "test_times_out");
-
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-
-  /* create a dummy server */
-  svr_fd = socket(AF_INET, SOCK_STREAM, 0);
-  GPR_ASSERT(svr_fd >= 0);
-  GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
-  GPR_ASSERT(0 == listen(svr_fd, 1));
-  /* Get its address */
-  GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
-
-  /* tie up the listen buffer, which is somewhat arbitrarily sized. */
-  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
-    client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
-    grpc_set_socket_nonblocking(client_fd[i], 1);
-    do {
-      r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
-    } while (r == -1 && errno == EINTR);
-    GPR_ASSERT(r < 0);
-    GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
-  }
-
-  /* connect to dummy server address */
-
-  connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);
-
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-
-  grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
-                          (struct sockaddr *)&addr, addr_len, connect_deadline);
-
-  /* Make sure the event doesn't trigger early */
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  for (;;) {
-    grpc_pollset_worker worker;
-    gpr_timespec now = gpr_now(connect_deadline.clock_type);
-    gpr_timespec continue_verifying_time =
-        gpr_time_from_seconds(5, GPR_TIMESPAN);
-    gpr_timespec grace_time = gpr_time_from_seconds(3, GPR_TIMESPAN);
-    gpr_timespec finish_time =
-        gpr_time_add(connect_deadline, continue_verifying_time);
-    gpr_timespec restart_verifying_time =
-        gpr_time_add(connect_deadline, grace_time);
-    int is_after_deadline = gpr_time_cmp(now, connect_deadline) > 0;
-    if (gpr_time_cmp(now, finish_time) > 0) {
-      break;
+    grpc_pollset_worker *worker = NULL;
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    gpr_timespec polling_deadline = test_deadline();
+    if (!grpc_timer_check(&exec_ctx, now, &polling_deadline)) {
+      grpc_pollset_work(&exec_ctx, g_pollset, &worker, now, polling_deadline);
     }
-    gpr_log(GPR_DEBUG, "now=%lld.%09d connect_deadline=%lld.%09d",
-            (long long)now.tv_sec, (int)now.tv_nsec,
-            (long long)connect_deadline.tv_sec, (int)connect_deadline.tv_nsec);
-    if (is_after_deadline && gpr_time_cmp(now, restart_verifying_time) <= 0) {
-      /* allow some slack before insisting that things be done */
-    } else {
-      GPR_ASSERT(g_connections_complete ==
-                 connections_complete_before + is_after_deadline);
-    }
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
 
-  close(svr_fd);
-  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
-    close(client_fd[i]);
-  }
+  gpr_mu_unlock(g_mu);
+  grpc_exec_ctx_finish(&exec_ctx);
 }
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool success) {
@@ -267,18 +188,19 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_set_init(&g_pollset_set);
-  grpc_pollset_init(&g_pollset);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_pollset_set, &g_pollset);
+  g_pollset_set = grpc_pollset_set_create();
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
   test_succeeds();
   gpr_log(GPR_ERROR, "End of first test");
   test_fails();
-  test_times_out();
-  grpc_pollset_set_destroy(&g_pollset_set);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_pollset_set_destroy(g_pollset_set);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index d290c6bc3a..7a98fa0e50 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 #include <grpc/grpc.h>
@@ -45,10 +45,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "test/core/util/test_config.h"
 #include "test/core/iomgr/endpoint_tests.h"
+#include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 /*
    General test notes:
@@ -96,7 +97,7 @@ static ssize_t fill_socket(int fd) {
 static size_t fill_socket_partial(int fd, size_t bytes) {
   ssize_t write_bytes;
   size_t total_bytes = 0;
-  unsigned char *buf = malloc(bytes);
+  unsigned char *buf = gpr_malloc(bytes);
   unsigned i;
   for (i = 0; i < bytes; ++i) {
     buf[i] = (uint8_t)(i % 256);
@@ -145,7 +146,7 @@ static void read_cb(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
 
   GPR_ASSERT(success);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   current_data = state->read_bytes % 256;
   read_bytes = count_slices(state->incoming.slices, state->incoming.count,
                             &current_data);
@@ -153,10 +154,10 @@ static void read_cb(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   gpr_log(GPR_INFO, "Read %d bytes of %d", read_bytes,
           state->target_read_bytes);
   if (state->read_bytes >= state->target_read_bytes) {
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   } else {
     grpc_endpoint_read(exec_ctx, state->ep, &state->incoming, &state->read_cb);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   }
 }
 
@@ -175,7 +176,7 @@ static void read_test(size_t num_bytes, size_t slice_size) {
   create_sockets(sv);
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), slice_size, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -188,17 +189,17 @@ static void read_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -221,7 +222,7 @@ static void large_read_test(size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), slice_size,
                        "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket(sv[0]);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -234,17 +235,17 @@ static void large_read_test(size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -283,15 +284,15 @@ static void write_done(grpc_exec_ctx *exec_ctx,
                        void *user_data /* write_socket_state */, bool success) {
   struct write_socket_state *state = (struct write_socket_state *)user_data;
   gpr_log(GPR_INFO, "Write done callback called");
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   gpr_log(GPR_INFO, "Signalling write done");
   state->write_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
-  unsigned char *buf = malloc(read_size);
+  unsigned char *buf = gpr_malloc(read_size);
   ssize_t bytes_read;
   size_t bytes_left = num_bytes;
   int flags;
@@ -303,12 +304,12 @@ void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
   GPR_ASSERT(fcntl(fd, F_SETFL, flags & ~O_NONBLOCK) == 0);
 
   for (;;) {
-    grpc_pollset_worker worker;
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    gpr_mu_lock(g_mu);
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
     do {
       bytes_read =
@@ -350,7 +351,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "write_test"),
                        GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   state.ep = ep;
   state.write_done = 0;
@@ -363,19 +364,19 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_write(&exec_ctx, ep, &outgoing, &write_done_closure);
   drain_socket_blocking(sv[0], num_bytes, num_bytes);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   for (;;) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     if (state.write_done) {
       break;
     }
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&outgoing);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -386,7 +387,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 void on_fd_released(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   int *done = arg;
   *done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
+  grpc_pollset_kick(g_pollset, NULL);
 }
 
 /* Do a read_test, then release fd and try to read/write again. Verify that
@@ -410,7 +411,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), slice_size, "test");
   GPR_ASSERT(grpc_tcp_fd(ep) == sv[1] && sv[1] >= 0);
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -423,27 +424,27 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_tcp_destroy_and_release_fd(&exec_ctx, ep, &fd, &fd_released_cb);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!fd_released_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   GPR_ASSERT(fd_released_done == 1);
   GPR_ASSERT(fd == sv[1]);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -491,8 +492,8 @@ static grpc_endpoint_test_fixture create_fixture_tcp_socketpair(
                                 slice_size, "test");
   f.server_ep = grpc_tcp_create(grpc_fd_create(sv[1], "fixture:server"),
                                 slice_size, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, g_pollset);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
@@ -512,13 +513,15 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
   run_tests();
-  grpc_endpoint_tests(configs[0], &g_pollset);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
 
   return 0;
 }
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 272d97bfcb..266d2396af 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,25 +31,29 @@
  *
  */
 
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+
+#include <errno.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
-#include <errno.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <unistd.h>
-
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 static int g_nconnects = 0;
 
 typedef struct on_connect_result {
@@ -113,11 +117,11 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
   grpc_endpoint_shutdown(exec_ctx, tcp);
   grpc_endpoint_destroy(exec_ctx, tcp);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   on_connect_result_set(&g_result, acceptor);
   g_nconnects++;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_no_op(void) {
@@ -174,7 +178,7 @@ static void tcp_connect(grpc_exec_ctx *exec_ctx, const struct sockaddr *remote,
   int clifd = socket(remote->sa_family, SOCK_STREAM, 0);
   int nconnects_before;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   nconnects_before = g_nconnects;
   on_connect_result_init(&g_result);
   GPR_ASSERT(clifd >= 0);
@@ -183,19 +187,19 @@ static void tcp_connect(grpc_exec_ctx *exec_ctx, const struct sockaddr *remote,
   gpr_log(GPR_DEBUG, "wait");
   while (g_nconnects == nconnects_before &&
          gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   gpr_log(GPR_DEBUG, "wait done");
   GPR_ASSERT(g_nconnects == nconnects_before + 1);
   close(clifd);
   *result = g_result;
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Tests a tcp server with multiple ports. TODO(daniel-j-born): Multiple fds for
@@ -210,7 +214,6 @@ static void test_connect(unsigned n) {
   unsigned svr1_fd_count;
   int svr1_port;
   grpc_tcp_server *s = grpc_tcp_server_create(NULL);
-  grpc_pollset *pollsets[1];
   unsigned i;
   server_weak_ref weak_ref;
   server_weak_ref_init(&weak_ref);
@@ -259,8 +262,7 @@ static void test_connect(unsigned n) {
     }
   }
 
-  pollsets[0] = &g_pollset;
-  grpc_tcp_server_start(&exec_ctx, s, pollsets, 1, on_connect, NULL);
+  grpc_tcp_server_start(&exec_ctx, s, &g_pollset, 1, on_connect, NULL);
 
   for (i = 0; i < n; i++) {
     on_connect_result result;
@@ -312,7 +314,8 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_no_op();
   test_no_op_with_start();
@@ -321,9 +324,10 @@ int main(int argc, char **argv) {
   test_connect(1);
   test_connect(10);
 
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/iomgr/time_averaged_stats_test.c b/test/core/iomgr/time_averaged_stats_test.c
index cb006d152a..72f8559d66 100644
--- a/test/core/iomgr/time_averaged_stats_test.c
+++ b/test/core/iomgr/time_averaged_stats_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
 
 #include <math.h>
 
diff --git a/test/core/iomgr/timer_heap_test.c b/test/core/iomgr/timer_heap_test.c
index 077a9fd6bd..d1cb0047f2 100644
--- a/test/core/iomgr/timer_heap_test.c
+++ b/test/core/iomgr/timer_heap_test.c
@@ -31,13 +31,15 @@
  *
  */
 
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
 #include "test/core/util/test_config.h"
 
 static gpr_timespec random_deadline(void) {
@@ -57,79 +59,6 @@ static grpc_timer *create_test_elements(size_t num_elements) {
   return elems;
 }
 
-static int cmp_elem(const void *a, const void *b) {
-  int i = *(const int *)a;
-  int j = *(const int *)b;
-  return i - j;
-}
-
-static size_t *all_top(grpc_timer_heap *pq, size_t *n) {
-  size_t *vec = NULL;
-  size_t *need_to_check_children;
-  size_t num_need_to_check_children = 0;
-
-  *n = 0;
-  if (pq->timer_count == 0) return vec;
-  need_to_check_children =
-      gpr_malloc(pq->timer_count * sizeof(*need_to_check_children));
-  need_to_check_children[num_need_to_check_children++] = 0;
-  vec = gpr_malloc(pq->timer_count * sizeof(*vec));
-  while (num_need_to_check_children > 0) {
-    size_t ind = need_to_check_children[0];
-    size_t leftchild, rightchild;
-    num_need_to_check_children--;
-    memmove(need_to_check_children, need_to_check_children + 1,
-            num_need_to_check_children * sizeof(*need_to_check_children));
-    vec[(*n)++] = ind;
-    leftchild = 1u + 2u * ind;
-    if (leftchild < pq->timer_count) {
-      if (gpr_time_cmp(pq->timers[leftchild]->deadline,
-                       pq->timers[ind]->deadline) >= 0) {
-        need_to_check_children[num_need_to_check_children++] = leftchild;
-      }
-      rightchild = leftchild + 1;
-      if (rightchild < pq->timer_count &&
-          gpr_time_cmp(pq->timers[rightchild]->deadline,
-                       pq->timers[ind]->deadline) >= 0) {
-        need_to_check_children[num_need_to_check_children++] = rightchild;
-      }
-    }
-  }
-
-  gpr_free(need_to_check_children);
-
-  return vec;
-}
-
-static void check_pq_top(grpc_timer *elements, grpc_timer_heap *pq,
-                         uint8_t *inpq, size_t num_elements) {
-  gpr_timespec max_deadline = gpr_inf_past(GPR_CLOCK_REALTIME);
-  size_t *max_deadline_indices =
-      gpr_malloc(num_elements * sizeof(*max_deadline_indices));
-  size_t *top_elements;
-  size_t num_max_deadline_indices = 0;
-  size_t num_top_elements;
-  size_t i;
-  for (i = 0; i < num_elements; ++i) {
-    if (inpq[i] && gpr_time_cmp(elements[i].deadline, max_deadline) >= 0) {
-      if (gpr_time_cmp(elements[i].deadline, max_deadline) > 0) {
-        num_max_deadline_indices = 0;
-        max_deadline = elements[i].deadline;
-      }
-      max_deadline_indices[num_max_deadline_indices++] = elements[i].heap_index;
-    }
-  }
-  qsort(max_deadline_indices, num_max_deadline_indices,
-        sizeof(*max_deadline_indices), cmp_elem);
-  top_elements = all_top(pq, &num_top_elements);
-  GPR_ASSERT(num_top_elements == num_max_deadline_indices);
-  for (i = 0; i < num_top_elements; i++) {
-    GPR_ASSERT(max_deadline_indices[i] == top_elements[i]);
-  }
-  gpr_free(max_deadline_indices);
-  gpr_free(top_elements);
-}
-
 static int contains(grpc_timer_heap *pq, grpc_timer *el) {
   size_t i;
   for (i = 0; i < pq->timer_count; i++) {
@@ -145,15 +74,19 @@ static void check_valid(grpc_timer_heap *pq) {
     size_t right_child = left_child + 1u;
     if (left_child < pq->timer_count) {
       GPR_ASSERT(gpr_time_cmp(pq->timers[i]->deadline,
-                              pq->timers[left_child]->deadline) >= 0);
+                              pq->timers[left_child]->deadline) <= 0);
     }
     if (right_child < pq->timer_count) {
       GPR_ASSERT(gpr_time_cmp(pq->timers[i]->deadline,
-                              pq->timers[right_child]->deadline) >= 0);
+                              pq->timers[right_child]->deadline) <= 0);
     }
   }
 }
 
+/*******************************************************************************
+ * test1
+ */
+
 static void test1(void) {
   grpc_timer_heap pq;
   const size_t num_test_elements = 200;
@@ -162,6 +95,8 @@ static void test1(void) {
   grpc_timer *test_elements = create_test_elements(num_test_elements);
   uint8_t *inpq = gpr_malloc(num_test_elements);
 
+  gpr_log(GPR_INFO, "test1");
+
   grpc_timer_heap_init(&pq);
   memset(inpq, 0, num_test_elements);
   GPR_ASSERT(grpc_timer_heap_is_empty(&pq));
@@ -172,7 +107,6 @@ static void test1(void) {
     check_valid(&pq);
     GPR_ASSERT(contains(&pq, &test_elements[i]));
     inpq[i] = 1;
-    check_pq_top(test_elements, &pq, inpq, num_test_elements);
   }
   for (i = 0; i < num_test_elements; ++i) {
     /* Test that check still succeeds even for element that wasn't just
@@ -182,7 +116,7 @@ static void test1(void) {
 
   GPR_ASSERT(pq.timer_count == num_test_elements);
 
-  check_pq_top(test_elements, &pq, inpq, num_test_elements);
+  check_valid(&pq);
 
   for (i = 0; i < num_test_operations; ++i) {
     size_t elem_num = (size_t)rand() % num_test_elements;
@@ -193,14 +127,12 @@ static void test1(void) {
       grpc_timer_heap_add(&pq, el);
       GPR_ASSERT(contains(&pq, el));
       inpq[elem_num] = 1;
-      check_pq_top(test_elements, &pq, inpq, num_test_elements);
       check_valid(&pq);
     } else {
       GPR_ASSERT(contains(&pq, el));
       grpc_timer_heap_remove(&pq, el);
       GPR_ASSERT(!contains(&pq, el));
       inpq[elem_num] = 0;
-      check_pq_top(test_elements, &pq, inpq, num_test_elements);
       check_valid(&pq);
     }
   }
@@ -210,7 +142,110 @@ static void test1(void) {
   gpr_free(inpq);
 }
 
+/*******************************************************************************
+ * test2
+ */
+
+typedef struct {
+  grpc_timer elem;
+  bool inserted;
+} elem_struct;
+
+static elem_struct *search_elems(elem_struct *elems, size_t count,
+                                 bool inserted) {
+  size_t *search_order = gpr_malloc(count * sizeof(*search_order));
+  for (size_t i = 0; i < count; i++) {
+    search_order[i] = i;
+  }
+  for (size_t i = 0; i < count * 2; i++) {
+    size_t a = (size_t)rand() % count;
+    size_t b = (size_t)rand() % count;
+    GPR_SWAP(size_t, search_order[a], search_order[b]);
+  }
+  elem_struct *out = NULL;
+  for (size_t i = 0; out == NULL && i < count; i++) {
+    if (elems[search_order[i]].inserted == inserted) {
+      out = &elems[search_order[i]];
+    }
+  }
+  gpr_free(search_order);
+  return out;
+}
+
+static void test2(void) {
+  gpr_log(GPR_INFO, "test2");
+
+  grpc_timer_heap pq;
+
+  static const size_t elems_size = 1000;
+  elem_struct *elems = gpr_malloc(elems_size * sizeof(elem_struct));
+  size_t num_inserted = 0;
+
+  grpc_timer_heap_init(&pq);
+  memset(elems, 0, elems_size);
+
+  for (size_t round = 0; round < 10000; round++) {
+    int r = rand() % 1000;
+    if (r <= 550) {
+      /* 55% of the time we try to add something */
+      elem_struct *el = search_elems(elems, GPR_ARRAY_SIZE(elems), false);
+      if (el != NULL) {
+        el->elem.deadline = random_deadline();
+        grpc_timer_heap_add(&pq, &el->elem);
+        el->inserted = true;
+        num_inserted++;
+        check_valid(&pq);
+      }
+    } else if (r <= 650) {
+      /* 10% of the time we try to remove something */
+      elem_struct *el = search_elems(elems, GPR_ARRAY_SIZE(elems), true);
+      if (el != NULL) {
+        grpc_timer_heap_remove(&pq, &el->elem);
+        el->inserted = false;
+        num_inserted--;
+        check_valid(&pq);
+      }
+    } else {
+      /* the remaining times we pop */
+      if (num_inserted > 0) {
+        grpc_timer *top = grpc_timer_heap_top(&pq);
+        grpc_timer_heap_pop(&pq);
+        for (size_t i = 0; i < elems_size; i++) {
+          if (top == &elems[i].elem) {
+            GPR_ASSERT(elems[i].inserted);
+            elems[i].inserted = false;
+          }
+        }
+        num_inserted--;
+        check_valid(&pq);
+      }
+    }
+
+    if (num_inserted) {
+      gpr_timespec *min_deadline = NULL;
+      for (size_t i = 0; i < elems_size; i++) {
+        if (elems[i].inserted) {
+          if (min_deadline == NULL) {
+            min_deadline = &elems[i].elem.deadline;
+          } else {
+            if (gpr_time_cmp(elems[i].elem.deadline, *min_deadline) < 0) {
+              min_deadline = &elems[i].elem.deadline;
+            }
+          }
+        }
+      }
+      GPR_ASSERT(
+          0 == gpr_time_cmp(grpc_timer_heap_top(&pq)->deadline, *min_deadline));
+    }
+  }
+
+  grpc_timer_heap_destroy(&pq);
+  gpr_free(elems);
+}
+
 static void shrink_test(void) {
+  gpr_log(GPR_INFO, "shrink_test");
+
   grpc_timer_heap pq;
   size_t i;
   size_t expected_size;
@@ -274,6 +309,7 @@ int main(int argc, char **argv) {
 
   for (i = 0; i < 5; i++) {
     test1();
+    test2();
     shrink_test();
   }
 
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.c
index 15de87c5a1..2e0f5c8701 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,10 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 #include <string.h>
 
-#include "src/core/iomgr/timer_internal.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
@@ -72,20 +71,18 @@ static void add_test(void) {
   }
 
   /* collect timers.  Only the first batch should be ready. */
-  GPR_ASSERT(10 == grpc_timer_check(&exec_ctx,
-                                    gpr_time_add(start, gpr_time_from_millis(
-                                                            500, GPR_TIMESPAN)),
-                                    NULL));
+  GPR_ASSERT(grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(500, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 20; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 10));
     GPR_ASSERT(cb_called[i][0] == 0);
   }
 
-  GPR_ASSERT(0 == grpc_timer_check(&exec_ctx,
-                                   gpr_time_add(start, gpr_time_from_millis(
-                                                           600, GPR_TIMESPAN)),
-                                   NULL));
+  GPR_ASSERT(!grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(600, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 10));
@@ -93,20 +90,18 @@ static void add_test(void) {
   }
 
   /* collect the rest of the timers */
-  GPR_ASSERT(10 == grpc_timer_check(
-                       &exec_ctx, gpr_time_add(start, gpr_time_from_millis(
-                                                          1500, GPR_TIMESPAN)),
-                       NULL));
+  GPR_ASSERT(grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(1500, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 20));
     GPR_ASSERT(cb_called[i][0] == 0);
   }
 
-  GPR_ASSERT(0 == grpc_timer_check(&exec_ctx,
-                                   gpr_time_add(start, gpr_time_from_millis(
-                                                           1600, GPR_TIMESPAN)),
-                                   NULL));
+  GPR_ASSERT(!grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(1600, GPR_TIMESPAN)),
+      NULL));
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 20));
     GPR_ASSERT(cb_called[i][0] == 0);
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index 2e253d8a8a..463d40a46b 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,18 @@
  *
  */
 
-#include "src/core/iomgr/udp_server.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/udp_server.h"
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
-#include <sys/socket.h>
 #include <netinet/in.h>
 #include <string.h>
+#include <sys/socket.h>
 #include <unistd.h>
 
 #ifdef GRPC_NEED_UDP
@@ -48,6 +50,7 @@
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
 static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
 static int g_number_of_reads = 0;
 static int g_number_of_bytes_read = 0;
 
@@ -56,14 +59,14 @@ static void on_read(grpc_exec_ctx *exec_ctx, grpc_fd *emfd,
   char read_buffer[512];
   ssize_t byte_count;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   byte_count = recv(emfd->fd, read_buffer, sizeof(read_buffer), 0);
 
   g_number_of_reads++;
   g_number_of_bytes_read += (int)byte_count;
 
   grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_no_op(void) {
@@ -142,7 +145,7 @@ static void test_receive(int number_of_clients) {
   pollsets[0] = &g_pollset;
   grpc_udp_server_start(&exec_ctx, s, pollsets, 1, NULL);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   for (i = 0; i < number_of_clients; i++) {
     deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
@@ -155,19 +158,19 @@ static void test_receive(int number_of_clients) {
     GPR_ASSERT(5 == write(clifd, "hello", 5));
     while (g_number_of_reads == number_of_reads_before &&
            gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
-      grpc_pollset_worker worker;
+      grpc_pollset_worker *worker = NULL;
       grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
                         gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-      gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+      gpr_mu_unlock(g_mu);
       grpc_exec_ctx_finish(&exec_ctx);
-      gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+      gpr_mu_lock(g_mu);
     }
     GPR_ASSERT(g_number_of_reads == number_of_reads_before + 1);
     close(clifd);
   }
   GPR_ASSERT(g_number_of_bytes_read == 5 * number_of_clients);
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   grpc_udp_server_destroy(&exec_ctx, s, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -181,8 +184,8 @@ int main(int argc, char **argv) {
   grpc_closure destroyed;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
-  grpc_iomgr_init();
-  grpc_pollset_init(&g_pollset);
+  grpc_init();
+  grpc_pollset_init(&g_pollset, &g_mu);
 
   test_no_op();
   test_no_op_with_start();
diff --git a/test/core/iomgr/workqueue_test.c b/test/core/iomgr/workqueue_test.c
index 500170b542..874e696fc2 100644
--- a/test/core/iomgr/workqueue_test.c
+++ b/test/core/iomgr/workqueue_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,21 +31,23 @@
  *
  */
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
 #include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *p, bool success) {
   GPR_ASSERT(success == 1);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   *(int *)p = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_ref_unref(void) {
@@ -63,17 +65,17 @@ static void test_add_closure(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   grpc_closure_init(&c, must_succeed, &done);
 
   grpc_workqueue_push(wq, &c, 1);
-  grpc_workqueue_add_to_pollset(&exec_ctx, wq, &g_pollset);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   GPR_ASSERT(!done);
-  grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                    gpr_now(deadline.clock_type), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(done);
 
@@ -87,18 +89,18 @@ static void test_flush(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   grpc_closure_init(&c, must_succeed, &done);
 
   grpc_exec_ctx_enqueue(&exec_ctx, &c, true, NULL);
   grpc_workqueue_flush(&exec_ctx, wq);
-  grpc_workqueue_add_to_pollset(&exec_ctx, wq, &g_pollset);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   GPR_ASSERT(!done);
-  grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                    gpr_now(deadline.clock_type), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(done);
 
@@ -115,15 +117,18 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_ref_unref();
   test_add_closure();
   test_flush();
 
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
new file mode 100644
index 0000000000..762064c7a4
--- /dev/null
+++ b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
@@ -0,0 +1 @@
+1e�9
\ No newline at end of file
diff --git a/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18 b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
new file mode 100644
index 0000000000..8affa52ec5
--- /dev/null
+++ b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
@@ -0,0 +1 @@
+{}3[
\ No newline at end of file
diff --git a/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905 b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
new file mode 100644
index 0000000000..7ffe3f3e08
--- /dev/null
+++ b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
@@ -0,0 +1 @@
+0.6991 
\ No newline at end of file
diff --git a/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6 b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
new file mode 100644
index 0000000000..f7752eeee7
--- /dev/null
+++ b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
@@ -0,0 +1 @@
+0.83282
\ No newline at end of file
diff --git a/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751 b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
new file mode 100644
index 0000000000..8377c554f7
--- /dev/null
+++ b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
@@ -0,0 +1 @@
+21.595»
\ No newline at end of file
diff --git a/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
new file mode 100644
index 0000000000..8e2afd3427
--- /dev/null
+++ b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
@@ -0,0 +1 @@
+17
\ No newline at end of file
diff --git a/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
new file mode 100644
index 0000000000..d249eb2e13
--- /dev/null
+++ b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
@@ -0,0 +1 @@
+[2.1e	"ˆÃ�796;]3*
\ No newline at end of file
diff --git a/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897 b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
new file mode 100644
index 0000000000..f11c82a4cb
--- /dev/null
+++ b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
@@ -0,0 +1 @@
+9
\ No newline at end of file
diff --git a/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318 b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
new file mode 100644
index 0000000000..b66d61bb14
--- /dev/null
+++ b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
@@ -0,0 +1 @@
+{"'5E885,!\u065E{
\ No newline at end of file
diff --git a/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
new file mode 100644
index 0000000000..2c23914282
--- /dev/null
+++ b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
@@ -0,0 +1 @@
+nu,*:
\ No newline at end of file
diff --git a/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5 b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
new file mode 100644
index 0000000000..f92893d1da
--- /dev/null
+++ b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
@@ -0,0 +1 @@
+f'
\ No newline at end of file
diff --git a/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8 b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
new file mode 100644
index 0000000000..05a6fb2444
--- /dev/null
+++ b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
@@ -0,0 +1 @@
+1e	"ˆÃ�9
\ No newline at end of file
diff --git a/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea b/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea
new file mode 100644
index 0000000000..e429f5078e
--- /dev/null
+++ b/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea
@@ -0,0 +1 @@
+[2.1982
\ No newline at end of file
diff --git a/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c b/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c
new file mode 100644
index 0000000000..45be455fdc
--- /dev/null
+++ b/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c
@@ -0,0 +1 @@
+false)
\ No newline at end of file
diff --git a/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8 b/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8
new file mode 100644
index 0000000000..0973cbb254
--- /dev/null
+++ b/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8
@@ -0,0 +1,2 @@
+[{
+"ˆÃ" "ˆÃ"
\ No newline at end of file
diff --git a/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae b/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae
new file mode 100644
index 0000000000..5230607b9c
--- /dev/null
+++ b/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae
@@ -0,0 +1 @@
+{"":0,(!Ó'(\'!)
\ No newline at end of file
diff --git a/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc b/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc
new file mode 100644
index 0000000000..8f04034910
--- /dev/null
+++ b/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc
@@ -0,0 +1 @@
+1¹
\ No newline at end of file
diff --git a/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd b/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd
new file mode 100644
index 0000000000..58cf749566
--- /dev/null
+++ b/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd
@@ -0,0 +1 @@
+tr¹82 'A\E57;)
\ No newline at end of file
diff --git a/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547 b/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547
new file mode 100644
index 0000000000..cb88820207
--- /dev/null
+++ b/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547
@@ -0,0 +1 @@
+[9281.2;
\ No newline at end of file
diff --git a/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8 b/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8
new file mode 100644
index 0000000000..fd35270ae2
--- /dev/null
+++ b/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8
@@ -0,0 +1 @@
+2}5
\ No newline at end of file
diff --git a/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3 b/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3
new file mode 100644
index 0000000000..522a9be402
--- /dev/null
+++ b/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3
@@ -0,0 +1 @@
+0.2995 
\ No newline at end of file
diff --git a/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06 b/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06
new file mode 100644
index 0000000000..9fb628a378
--- /dev/null
+++ b/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06
@@ -0,0 +1 @@
+{"',!\uA>Š
\ No newline at end of file
diff --git a/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008 b/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008
new file mode 100644
index 0000000000..98232c64fc
--- /dev/null
+++ b/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008
@@ -0,0 +1 @@
+{
diff --git a/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5 b/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5
new file mode 100644
index 0000000000..595fe02dbc
--- /dev/null
+++ b/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5
@@ -0,0 +1 @@
+"ˆÃ{)ˆ!
\ No newline at end of file
diff --git a/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95 b/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95
new file mode 100644
index 0000000000..e2e68e8af9
--- /dev/null
+++ b/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95
@@ -0,0 +1 @@
+"'',!\u658E{128031:;):ˆ)!Ã5*¾?'ʳ³!!*!à):!*à::)!9:\udbD86'
\ No newline at end of file
diff --git a/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580 b/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580
new file mode 100644
index 0000000000..7e613e891d
--- /dev/null
+++ b/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580
@@ -0,0 +1 @@
+{"":21}
\ No newline at end of file
diff --git a/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f b/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f
new file mode 100644
index 0000000000..21a9555f3b
--- /dev/null
+++ b/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f
@@ -0,0 +1 @@
+[2,"ˆÃ!{)!:",ˆÃ
\ No newline at end of file
diff --git a/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988 b/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988
new file mode 100644
index 0000000000..8017a981b4
--- /dev/null
+++ b/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988
@@ -0,0 +1 @@
+	"ˆÃ "
\ No newline at end of file
diff --git a/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c b/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c
new file mode 100644
index 0000000000..9402a60393
--- /dev/null
+++ b/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c
@@ -0,0 +1 @@
+[)
\ No newline at end of file
diff --git a/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739 b/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739
new file mode 100644
index 0000000000..81b218eb64
--- /dev/null
+++ b/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739
@@ -0,0 +1 @@
+[tr
\ No newline at end of file
diff --git a/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05 b/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05
new file mode 100644
index 0000000000..f48f55e59d
--- /dev/null
+++ b/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05
@@ -0,0 +1 @@
+null*:
\ No newline at end of file
diff --git a/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9 b/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9
new file mode 100644
index 0000000000..37144c716f
--- /dev/null
+++ b/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9
@@ -0,0 +1 @@
+1e+2187�560
\ No newline at end of file
diff --git a/test/core/json/corpus/1b045a24b8f1f1fd6e8234d5019952ee7713a8b7 b/test/core/json/corpus/1b045a24b8f1f1fd6e8234d5019952ee7713a8b7
new file mode 100644
index 0000000000..04ac543c3c
--- /dev/null
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index 0000000000..a9f28d4a55
--- /dev/null
+++ b/test/core/json/corpus/e3d134b35cc25a4861d90023c95988ec6103ddd5
@@ -0,0 +1 @@
+"ˆÃ{)!:*¾;!'ʳ³!!*!à):!*à::\udb)8ˆÃ!‡:{`!?`¾¾!?'!*m,');…'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d b/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d
new file mode 100644
index 0000000000..d188dbf352
--- /dev/null
+++ b/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d
@@ -0,0 +1 @@
+[2.19
\ No newline at end of file
diff --git a/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
new file mode 100644
index 0000000000..e673b6dd2e
--- /dev/null
+++ b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
@@ -0,0 +1 @@
+{"',!\u@':Š
\ No newline at end of file
diff --git a/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1 b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
new file mode 100644
index 0000000000..fa71dbecbc
--- /dev/null
+++ b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
@@ -0,0 +1 @@
+[2."ˆÃ!{)!:",ˆÃ
\ No newline at end of file
diff --git a/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4 b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
new file mode 100644
index 0000000000..2b82dfea30
--- /dev/null
+++ b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
@@ -0,0 +1 @@
+60
\ No newline at end of file
diff --git a/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
new file mode 100644
index 0000000000..67a6628324
--- /dev/null
+++ b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
@@ -0,0 +1 @@
+0
{
\ No newline at end of file
diff --git a/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536 b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
new file mode 100644
index 0000000000..3e747cc04e
--- /dev/null
+++ b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
@@ -0,0 +1 @@
+{:ˆ)!Ã"*¾?'ʳ³!!*!à):!*à:::\udbD8ˆ)Ã!:{!`!?`¾¾!?'!*m,');…'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64 b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
new file mode 100644
index 0000000000..ca8bbcc42a
--- /dev/null
+++ b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
@@ -0,0 +1 @@
+"ˆÃ{)!:*¾;?'ʳ³!!*!à):!*à:::\udb)8ˆÃ!‡:{!`!?`¾¾!?'!*m,');…'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
new file mode 100644
index 0000000000..f9991b43f6
--- /dev/null
+++ b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
@@ -0,0 +1 @@
+[3]4*
\ No newline at end of file
diff --git a/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038 b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
new file mode 100644
index 0000000000..812293756d
--- /dev/null
+++ b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
@@ -0,0 +1 @@
+["*]:Ã!{)¾?'ʳ³!!*!à):!*à:::\udbD8ˆ){Ã!:{!`!?`¾¾"(¡
\ No newline at end of file
diff --git a/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449 b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
new file mode 100644
index 0000000000..ee58b9086a
--- /dev/null
+++ b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
@@ -0,0 +1 @@
+03(
\ No newline at end of file
diff --git a/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0 b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
new file mode 100644
index 0000000000..90e536ec3f
--- /dev/null
+++ b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
@@ -0,0 +1 @@
+8324E6;)
\ No newline at end of file
diff --git a/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286 b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
new file mode 100644
index 0000000000..69cea590c2
--- /dev/null
+++ b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
@@ -0,0 +1 @@
+5834E0y);)ˆ	)!Ã
\ No newline at end of file
diff --git a/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
new file mode 100644
index 0000000000..60f86bd1d3
--- /dev/null
+++ b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
@@ -0,0 +1 @@
+0,0	
\ No newline at end of file
diff --git a/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
new file mode 100644
index 0000000000..24f98f2d5f
--- /dev/null
+++ b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
@@ -0,0 +1 @@
+367
\ No newline at end of file
diff --git a/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1 b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
new file mode 100644
index 0000000000..601a7b20af
--- /dev/null
+++ b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
@@ -0,0 +1 @@
+50{:ˆ)!Ã"*¾?'ʳ³!!*!à):!*à::8!9:\udbD8ˆ)Ã!:{!`
\ No newline at end of file
diff --git a/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
new file mode 100644
index 0000000000..30e0f2b2e8
--- /dev/null
+++ b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
@@ -0,0 +1 @@
+"19
\ No newline at end of file
diff --git a/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
new file mode 100644
index 0000000000..8c0a186967
--- /dev/null
+++ b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
@@ -0,0 +1 @@
+363
diff --git a/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
new file mode 100644
index 0000000000..b73c5ecd08
--- /dev/null
+++ b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
@@ -0,0 +1 @@
+{"*]:Ã!{)¾?'ʳ³ !*!à):!*à:::\udbD8\!)!{Ã:{!`!?`¾¾"(¡
\ No newline at end of file
diff --git a/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
new file mode 100644
index 0000000000..4b681256fe
--- /dev/null
+++ b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
@@ -0,0 +1 @@
+"ˆÃ{)!:"])Ã!:{"*¾?'ʳ³!!*!à):!*à:::\¾;?'ʳud
\ No newline at end of file
diff --git a/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
new file mode 100644
index 0000000000..b6dfbd5336
--- /dev/null
+++ b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
@@ -0,0 +1 @@
+813e124280
\ No newline at end of file
diff --git a/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1 b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
new file mode 100644
index 0000000000..0c7f592376
--- /dev/null
+++ b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
@@ -0,0 +1 @@
+604
\ No newline at end of file
diff --git a/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
new file mode 100644
index 0000000000..1444ba2be2
--- /dev/null
+++ b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
@@ -0,0 +1 @@
+1e9
\ No newline at end of file
diff --git a/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318 b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
new file mode 100644
index 0000000000..fbcb9dab0e
--- /dev/null
+++ b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
@@ -0,0 +1 @@
+1E	"ˆÁ�960
\ No newline at end of file
diff --git a/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
new file mode 100644
index 0000000000..d60f1d8b43
--- /dev/null
+++ b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
@@ -0,0 +1 @@
+0,fa%)
\ No newline at end of file
diff --git a/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057 b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
new file mode 100644
index 0000000000..abc4eff6ac
--- /dev/null
+++ b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
@@ -0,0 +1 @@
+46
\ No newline at end of file
diff --git a/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
new file mode 100644
index 0000000000..301160a930
--- /dev/null
+++ b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
@@ -0,0 +1 @@
+8
\ No newline at end of file
diff --git a/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
new file mode 100644
index 0000000000..9586ab9bcc
--- /dev/null
+++ b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
@@ -0,0 +1 @@
+n'
\ No newline at end of file
diff --git a/test/core/json/corpus/test1.json b/test/core/json/corpus/test1.json
new file mode 100644
index 0000000000..2393cd01d4
--- /dev/null
+++ b/test/core/json/corpus/test1.json
@@ -0,0 +1 @@
+{"foo":"bar"}
diff --git a/test/core/json/corpus/test2.json b/test/core/json/corpus/test2.json
new file mode 100644
index 0000000000..810c96eeeb
--- /dev/null
+++ b/test/core/json/corpus/test2.json
@@ -0,0 +1 @@
+"foo"
diff --git a/test/core/json/corpus/test3.json b/test/core/json/corpus/test3.json
new file mode 100644
index 0000000000..8adb9bb604
--- /dev/null
+++ b/test/core/json/corpus/test3.json
@@ -0,0 +1 @@
+[1,2,3,4]
diff --git a/test/core/json/corpus/test4.json b/test/core/json/corpus/test4.json
new file mode 100644
index 0000000000..4c3fcf9ac7
--- /dev/null
+++ b/test/core/json/corpus/test4.json
@@ -0,0 +1 @@
+1e943923
diff --git a/test/core/json/corpus/test5.json b/test/core/json/corpus/test5.json
new file mode 100644
index 0000000000..03f1d792ec
--- /dev/null
+++ b/test/core/json/corpus/test5.json
@@ -0,0 +1 @@
+100000000000000000000000000000000000000000000000000000000000001
diff --git a/test/core/json/corpus/test6.json b/test/core/json/corpus/test6.json
new file mode 100644
index 0000000000..27ba77ddaf
--- /dev/null
+++ b/test/core/json/corpus/test6.json
@@ -0,0 +1 @@
+true
diff --git a/test/core/json/corpus/test7.json b/test/core/json/corpus/test7.json
new file mode 100644
index 0000000000..c508d5366f
--- /dev/null
+++ b/test/core/json/corpus/test7.json
@@ -0,0 +1 @@
+false
diff --git a/test/core/json/corpus/test8.json b/test/core/json/corpus/test8.json
new file mode 100644
index 0000000000..19765bd501
--- /dev/null
+++ b/test/core/json/corpus/test8.json
@@ -0,0 +1 @@
+null
diff --git a/test/core/json/corpus/test9.json b/test/core/json/corpus/test9.json
new file mode 100644
index 0000000000..affaba369a
--- /dev/null
+++ b/test/core/json/corpus/test9.json
@@ -0,0 +1 @@
+{"alpha":null,"beta":false,"gamma":2.3,"xyz":"abc","negative":-133}
diff --git a/test/core/json/fuzzer.c b/test/core/json/fuzzer.c
new file mode 100644
index 0000000000..e94b41ca99
--- /dev/null
+++ b/test/core/json/fuzzer.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/json/json.h"
+#include "test/core/util/memory_counters.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s;
+  struct grpc_memory_counters counters;
+  grpc_memory_counters_init();
+  s = gpr_malloc(size);
+  memcpy(s, data, size);
+  grpc_json *x;
+  if ((x = grpc_json_parse_string_with_len(s, size))) {
+    grpc_json_destroy(x);
+  }
+  gpr_free(s);
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
diff --git a/test/core/json/json_rewrite.c b/test/core/json/json_rewrite.c
index 0c615a9975..c43c6e2589 100644
--- a/test/core/json/json_rewrite.c
+++ b/test/core/json/json_rewrite.c
@@ -38,8 +38,8 @@
 #include <grpc/support/cmdline.h>
 #include <grpc/support/log.h>
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *out; } json_writer_userdata;
 
diff --git a/test/core/json/json_rewrite_test.c b/test/core/json/json_rewrite_test.c
index d99cb0dd03..cf42670337 100644
--- a/test/core/json/json_rewrite_test.c
+++ b/test/core/json/json_rewrite_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *cmp; } json_writer_userdata;
 
diff --git a/test/core/json/json_stream_error_test.c b/test/core/json/json_stream_error_test.c
index 400776759d..82b9bd96d3 100644
--- a/test/core/json/json_stream_error_test.c
+++ b/test/core/json/json_stream_error_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 static int g_string_clear_once = 0;
 
diff --git a/test/core/json/json_test.c b/test/core/json/json_test.c
index 5add80d753..ac1abbd8f3 100644
--- a/test/core/json/json_test.c
+++ b/test/core/json/json_test.c
@@ -34,11 +34,11 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include "src/core/json/json.h"
-#include "src/core/support/string.h"
+#include <grpc/support/useful.h>
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/util/test_config.h"
 
@@ -64,9 +64,10 @@ static testing_pair testing_pairs[] = {
     /* Testing UTF-8 character "�", U+11D1E. */
     {"\"\xf0\x9d\x84\x9e\"", "\"\\ud834\\udd1e\""},
     {"\"\\ud834\\udd1e\"", "\"\\ud834\\udd1e\""},
+    {"{\"\\ud834\\udd1e\":0}", "{\"\\ud834\\udd1e\":0}"},
     /* Testing nested empty containers. */
     {
-     " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
+        " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
     },
     /* Testing escapes and control chars in key strings. */
     {" { \"\\u007f\x7f\\n\\r\\\"\\f\\b\\\\a , b\": 1, \"\": 0 } ",
@@ -85,20 +86,33 @@ static testing_pair testing_pairs[] = {
     /* Testing plain invalid things, exercising the state machine. */
     {"\\", NULL},
     {"nu ll", NULL},
+    {"{\"foo\": bar}", NULL},
+    {"{\"foo\": bar\"x\"}", NULL},
     {"fals", NULL},
+    {"0,0 ", NULL},
+    {"\"foo\",[]", NULL},
     /* Testing unterminated string. */
     {"\"\\x", NULL},
     /* Testing invalid UTF-16 number. */
     {"\"\\u123x", NULL},
+    {"{\"\\u123x", NULL},
     /* Testing imbalanced surrogate pairs. */
     {"\"\\ud834f", NULL},
+    {"{\"\\ud834f\":0}", NULL},
     {"\"\\ud834\\n", NULL},
+    {"{\"\\ud834\\n\":0}", NULL},
     {"\"\\udd1ef", NULL},
+    {"{\"\\udd1ef\":0}", NULL},
     {"\"\\ud834\\ud834\"", NULL},
+    {"{\"\\ud834\\ud834\"\":0}", NULL},
     {"\"\\ud834\\u1234\"", NULL},
+    {"{\"\\ud834\\u1234\"\":0}", NULL},
     {"\"\\ud834]\"", NULL},
+    {"{\"\\ud834]\"\":0}", NULL},
     {"\"\\ud834 \"", NULL},
+    {"{\"\\ud834 \"\":0}", NULL},
     {"\"\\ud834\\\\\"", NULL},
+    {"{\"\\ud834\\\\\"\":0}", NULL},
     /* Testing embedded invalid whitechars. */
     {"\"\n\"", NULL},
     {"\"\t\"", NULL},
diff --git a/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110 b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
new file mode 100644
index 0000000000..2b5fc999d8
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
diff --git a/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540 b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
new file mode 100644
index 0000000000..85366bee0a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
@@ -0,0 +1 @@
+½“
½“2ƒ;΃;Î)±%Ì))±%Ì)::
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
new file mode 100644
index 0000000000..74921b2170
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
diff --git a/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897 b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
new file mode 100644
index 0000000000..4b7de2e473
--- /dev/null
+++ b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
@@ -0,0 +1 @@
+(z%;:8!(¼;ªo!>::†©;=È(	);�;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
new file mode 100644
index 0000000000..5a077927d9
--- /dev/null
+++ b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
@@ -0,0 +1 @@
+(z%;:8!(¼;ª!>::†©;=È(	);�;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513 b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
new file mode 100644
index 0000000000..e9db64ba0b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
diff --git a/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956 b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
new file mode 100644
index 0000000000..da1306ddd6
--- /dev/null
+++ b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
diff --git a/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40 b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
new file mode 100644
index 0000000000..f46d387bf9
--- /dev/null
+++ b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
@@ -0,0 +1 @@
+(
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
new file mode 100644
index 0000000000..7ea0b41123
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
diff --git a/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1 b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
new file mode 100644
index 0000000000..cd74051c52
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
@@ -0,0 +1 @@
+):):\bJ'
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033 b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
new file mode 100644
index 0000000000..a7571c0e84
--- /dev/null
+++ b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
diff --git a/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2 b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
new file mode 100644
index 0000000000..9ca38b3256
--- /dev/null
+++ b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
diff --git a/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
new file mode 100644
index 0000000000..9320a7a95d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
@@ -0,0 +1 @@
+ž½“ƒÎ)±Ì)::\!;):bJ):'\éb*
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0 b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
new file mode 100644
index 0000000000..725e601a5b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
diff --git a/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41 b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
new file mode 100644
index 0000000000..b42661c56c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
diff --git a/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
new file mode 100644
index 0000000000..4a551cf6de
--- /dev/null
+++ b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
@@ -0,0 +1 @@
+(z!;:8!(¼;ªo!>::†©;=È(	);�ö;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
new file mode 100644
index 0000000000..d99c09f882
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
@@ -0,0 +1 @@
+(z%;28!(¼;ª!*>::†(z%;28!(¼;ª!>::†ùâåò©
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60 b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
new file mode 100644
index 0000000000..86181941cb
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
diff --git a/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
new file mode 100644
index 0000000000..59a8026f2a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
diff --git a/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
new file mode 100644
index 0000000000..3d44fadc61
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
@@ -0,0 +1 @@
+a¶(6)!á•(	!!)b:'Ü:*¤();Ì0�();)Ï(|)ÿ!V)'*¡!t<b߶…*!(b*()(:dVj)
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42 b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
new file mode 100644
index 0000000000..2489cb7ba3
--- /dev/null
+++ b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
diff --git a/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
new file mode 100644
index 0000000000..d2fb75ced5
--- /dev/null
+++ b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
diff --git a/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986 b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
new file mode 100644
index 0000000000..0ba194a3ca
--- /dev/null
+++ b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
@@ -0,0 +1 @@
+
½™'Ì)%±ƒ™Þ):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355 b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
new file mode 100644
index 0000000000..98da1dd4ee
--- /dev/null
+++ b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
@@ -0,0 +1 @@
+
½™'ƒÎ)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
new file mode 100644
index 0000000000..193b899d2d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
diff --git a/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2 b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
new file mode 100644
index 0000000000..8387eab9b4
--- /dev/null
+++ b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
@@ -0,0 +1 @@
+½¤
½“ž½“ƒÎ½ƒ);Î)±
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016 b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
new file mode 100644
index 0000000000..9c5c365715
--- /dev/null
+++ b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
@@ -0,0 +1 @@
+
½“ž½“ƒÎ)ƒ;Î)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7 b/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7
new file mode 100644
index 0000000000..b14d25a88d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7
diff --git a/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f b/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f
new file mode 100644
index 0000000000..4061b65d96
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f
@@ -0,0 +1 @@
+
	:)½:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae b/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae
new file mode 100644
index 0000000000..86fd08f413
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae
diff --git a/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16 b/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16
new file mode 100644
index 0000000000..dd8d136cb1
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16
diff --git a/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c b/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c
new file mode 100644
index 0000000000..be0dfcadd0
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c
@@ -0,0 +1 @@
+ùâåò!Ù.!Nñrª:U:(œ;!á)*(¾):!'i)b):þ°)'!P!:'á•***!)H:*)(àñÍ*
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff b/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff
new file mode 100644
index 0000000000..023ef36861
--- /dev/null
+++ b/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff
diff --git a/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221 b/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221
new file mode 100644
index 0000000000..9c95a6ba6a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221
@@ -0,0 +1 @@
+½
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8 b/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8
new file mode 100644
index 0000000000..8d735ea33c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8
@@ -0,0 +1 @@
+m!''÷:)ˆ');:Q(*á'!!m!Í
()!;e''÷:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4 b/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4
new file mode 100644
index 0000000000..df2d8194d1
--- /dev/null
+++ b/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4
@@ -0,0 +1 @@
+	
:)½:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0 b/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0
new file mode 100644
index 0000000000..edd078a94e
--- /dev/null
+++ b/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0
diff --git a/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667 b/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667
new file mode 100644
index 0000000000..7cbc8b771a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667
diff --git a/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979 b/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979
new file mode 100644
index 0000000000..2f0a565bc3
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979
diff --git a/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398 b/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398
new file mode 100644
index 0000000000..3bc30a1f9c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398
@@ -0,0 +1 @@
+
½“ƒ;Î)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b b/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b
new file mode 100644
index 0000000000..811a33df5b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b
@@ -0,0 +1 @@
+
¼™'Ì)%±ƒ™Þ½)“
½“2ƒ;΃;Î)±%Ì):)
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188 b/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188
new file mode 100644
index 0000000000..7712307a3a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188
diff --git a/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222 b/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222
new file mode 100644
index 0000000000..3f1695f161
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113 b/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113
new file mode 100644
index 0000000000..c9f9b4dac2
--- /dev/null
+++ b/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113
diff --git a/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463 b/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463
new file mode 100644
index 0000000000..a929daa987
--- /dev/null
+++ b/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463
@@ -0,0 +1 @@
+z(!;:8!(¼;ªo!>::†©;=È(	);�ö;!ÞØ*:):B(r''' *Eàhþ;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/acbbd60eeb76e41ce254d0fef353b92abe69c831 b/test/core/nanopb/corpus_response/acbbd60eeb76e41ce254d0fef353b92abe69c831
new file mode 100644
index 0000000000..da47491fb1
--- /dev/null
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+²Á²’²
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
new file mode 100644
index 0000000000..10b6509813
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
diff --git a/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
new file mode 100644
index 0000000000..9f4d9356f4
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
@@ -0,0 +1,2 @@
+Ų;IJ
+UUú‰™(		MÁ²²²²;²²UW
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583 b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
new file mode 100644
index 0000000000..3085daf738
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
@@ -0,0 +1 @@
+)*!B!Óà@'))ò);'Ç“¢ƒ§à:E:@sD'tÂ'–!();!­	''³(N);)&
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
new file mode 100644
index 0000000000..1f4ca9584c
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*'‚'*')
+!*š;!x!(*:)ÞNË):y
+œ“)I;ô9;()”o:;¨'¨*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927 b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
new file mode 100644
index 0000000000..a8a1af8075
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
@@ -0,0 +1 @@
+ŲU
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
new file mode 100644
index 0000000000..681ba0ab80
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
@@ -0,0 +1 @@
+	�
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0 b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
new file mode 100644
index 0000000000..fde58537b0
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
@@ -0,0 +1 @@
+!)fBB!(@)ò	Z!!'!*M)!:“(ó'ØH(ã‰T('¯Ò'û);<''šŸÐ*“¢ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
new file mode 100644
index 0000000000..690c0a1dda
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
@@ -0,0 +1,2 @@
+!
+)fBB!(@)ò	'Z!!Î!*M)!:“(ó'ØHã(‰T('¯Ò'û);<'šŸÐ*“<ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
new file mode 100644
index 0000000000..adbe858903
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
@@ -0,0 +1 @@
+È;2È;ò•òÈ;ò2
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3 b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
new file mode 100644
index 0000000000..83c20eec29
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*''*'	!
+(š;!x!(*:)ÞNË):y
+œ“)I?ô)):(”o:;©'(*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
new file mode 100644
index 0000000000..4975d72864
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
diff --git a/test/core/nanopb/fuzzer_response.c b/test/core/nanopb/fuzzer_response.c
new file mode 100644
index 0000000000..b4e386020a
--- /dev/null
+++ b/test/core/nanopb/fuzzer_response.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_response *response;
+  if ((response = grpc_grpclb_response_parse(slice))) {
+    grpc_grpclb_response_destroy(response);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/nanopb/fuzzer_serverlist.c b/test/core/nanopb/fuzzer_serverlist.c
new file mode 100644
index 0000000000..d4ec74f0e7
--- /dev/null
+++ b/test/core/nanopb/fuzzer_serverlist.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_serverlist *serverlist;
+  if ((serverlist = grpc_grpclb_response_parse_serverlist(slice))) {
+    grpc_grpclb_destroy_serverlist(serverlist);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/network_benchmarks/low_level_ping_pong.c b/test/core/network_benchmarks/low_level_ping_pong.c
index dd1544c27b..1b40895a71 100644
--- a/test/core/network_benchmarks/low_level_ping_pong.c
+++ b/test/core/network_benchmarks/low_level_ping_pong.c
@@ -49,13 +49,14 @@
 #endif
 #include <sys/socket.h>
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include <grpc/support/alloc.h>
 #include <grpc/support/cmdline.h>
 #include <grpc/support/histogram.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 typedef struct fd_pair {
   int read_fd;
@@ -265,19 +266,19 @@ static int epoll_setup(thread_args *args) {
 #endif
 
 static void server_thread(thread_args *args) {
-  char *buf = malloc(args->msg_size);
+  char *buf = gpr_malloc(args->msg_size);
   if (args->setup(args) < 0) {
     gpr_log(GPR_ERROR, "Setup failed");
   }
   for (;;) {
     if (args->read_bytes(args, buf) < 0) {
       gpr_log(GPR_ERROR, "Server read failed");
-      free(buf);
+      gpr_free(buf);
       return;
     }
     if (args->write_bytes(args, buf) < 0) {
       gpr_log(GPR_ERROR, "Server write failed");
-      free(buf);
+      gpr_free(buf);
       return;
     }
   }
@@ -304,7 +305,8 @@ static double now(void) {
 }
 
 static void client_thread(thread_args *args) {
-  char *buf = calloc(args->msg_size, sizeof(char));
+  char *buf = gpr_malloc(args->msg_size * sizeof(char));
+  memset(buf, 0, args->msg_size * sizeof(char));
   gpr_histogram *histogram = gpr_histogram_create(0.01, 60e9);
   double start_time;
   double end_time;
@@ -333,7 +335,7 @@ static void client_thread(thread_args *args) {
   }
   print_histogram(histogram);
 error:
-  free(buf);
+  gpr_free(buf);
   gpr_histogram_destroy(histogram);
 }
 
@@ -596,8 +598,8 @@ static int run_all_benchmarks(size_t msg_size) {
     test_strategy *strategy = &test_strategies[i];
     size_t j;
     for (j = 0; j < GPR_ARRAY_SIZE(socket_types); ++j) {
-      thread_args *client_args = malloc(sizeof(thread_args));
-      thread_args *server_args = malloc(sizeof(thread_args));
+      thread_args *client_args = gpr_malloc(sizeof(thread_args));
+      thread_args *server_args = gpr_malloc(sizeof(thread_args));
       char *socket_type = socket_types[j];
 
       client_args->read_bytes = strategy->read_strategy;
@@ -620,8 +622,8 @@ static int run_all_benchmarks(size_t msg_size) {
 }
 
 int main(int argc, char **argv) {
-  thread_args *client_args = malloc(sizeof(thread_args));
-  thread_args *server_args = malloc(sizeof(thread_args));
+  thread_args *client_args = gpr_malloc(sizeof(thread_args));
+  thread_args *server_args = gpr_malloc(sizeof(thread_args));
   int msg_size = -1;
   char *read_strategy = NULL;
   char *socket_type = NULL;
diff --git a/test/core/profiling/timers_test.c b/test/core/profiling/timers_test.c
index 7070fe465f..284589af1e 100644
--- a/test/core/profiling/timers_test.c
+++ b/test/core/profiling/timers_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include <stdlib.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/security/auth_context_test.c b/test/core/security/auth_context_test.c
index d091c7e7e6..d1ead16235 100644
--- a/test/core/security/auth_context_test.c
+++ b/test/core/security/auth_context_test.c
@@ -33,8 +33,8 @@
 
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #include <grpc/support/log.h>
diff --git a/test/core/security/base64_test.c b/test/core/security/b64_test.c
index e656d4c947..cea870321d 100644
--- a/test/core/security/base64_test.c
+++ b/test/core/security/b64_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/base64.h"
+#include "src/core/lib/security/b64.h"
 
 #include <string.h>
 
diff --git a/test/core/security/create_jwt.c b/test/core/security/create_jwt.c
index 237dc9aa3e..6d4707f3c7 100644
--- a/test/core/security/create_jwt.c
+++ b/test/core/security/create_jwt.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,9 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/load_file.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/cmdline.h>
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 8a210bb3c3..7867293278 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,25 +32,24 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include "src/core/security/credentials.h"
 
+#include "src/core/lib/security/credentials.h"
+
+#include <openssl/rsa.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-
-#include "test/core/util/test_config.h"
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include <openssl/rsa.h>
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "test/core/util/test_config.h"
 
 /* -- Mock channel credentials. -- */
 
@@ -537,12 +536,12 @@ static void validate_compute_engine_http_request(
   GPR_ASSERT(request->handshaker != &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "metadata") == 0);
   GPR_ASSERT(
-      strcmp(request->path,
+      strcmp(request->http.path,
              "/computeMetadata/v1/instance/service-accounts/default/token") ==
       0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Metadata-Flavor") == 0);
-  GPR_ASSERT(strcmp(request->hdrs[0].value, "Google") == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Metadata-Flavor") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value, "Google") == 0);
 }
 
 static int compute_engine_httpcli_get_success_override(
@@ -640,11 +639,12 @@ static void validate_refresh_token_http_request(
   gpr_free(expected_body);
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, GRPC_GOOGLE_OAUTH2_SERVICE_HOST) == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Content-Type") == 0);
   GPR_ASSERT(
-      strcmp(request->hdrs[0].value, "application/x-www-form-urlencoded") == 0);
+      strcmp(request->http.path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value,
+                    "application/x-www-form-urlencoded") == 0);
 }
 
 static int refresh_token_httpcli_post_success(
@@ -899,12 +899,12 @@ static int default_creds_gce_detection_httpcli_get_success_override(
     gpr_timespec deadline, grpc_httpcli_response_cb on_response,
     void *user_data) {
   grpc_httpcli_response response = http_response(200, "");
-  grpc_httpcli_header header;
+  grpc_http_header header;
   header.key = "Metadata-Flavor";
   header.value = "Google";
   response.hdr_count = 1;
   response.hdrs = &header;
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
@@ -962,7 +962,7 @@ static int default_creds_gce_detection_httpcli_get_failure_override(
     void *user_data) {
   /* No magic header. */
   grpc_httpcli_response response = http_response(200, "");
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
diff --git a/test/core/security/fetch_oauth2.c b/test/core/security/fetch_oauth2.c
index ee1178cbdd..bd314e90d8 100644
--- a/test/core/security/fetch_oauth2.c
+++ b/test/core/security/fetch_oauth2.c
@@ -42,8 +42,8 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/load_file.h"
 #include "test/core/security/oauth2_utils.h"
 
 static grpc_call_credentials *create_refresh_token_creds(
diff --git a/test/core/security/json_token_test.c b/test/core/security/json_token_test.c
index 7c01a9ce5c..3aee52ee5c 100644
--- a/test/core/security/json_token_test.c
+++ b/test/core/security/json_token_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,19 @@
  *
  */
 
-#include "src/core/security/json_token.h"
+#include "src/core/lib/security/json_token.h"
 
+#include <openssl/evp.h>
 #include <string.h>
 
-#include "src/core/security/base64.h"
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
+
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/security/b64.h"
 #include "test/core/util/test_config.h"
-#include "src/core/json/json.h"
-#include <openssl/evp.h>
 
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
index f396398cef..077f44d1d6 100644
--- a/test/core/security/jwt_verifier_test.c
+++ b/test/core/security/jwt_verifier_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,22 @@
  *
  */
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/base64.h"
-#include "src/core/security/json_token.h"
-#include "test/core/util/test_config.h"
+#include <grpc/grpc.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/security/json_token.h"
+#include "test/core/util/test_config.h"
+
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
    Maximum size for a string literal is 509 chars in C89, yay!  */
@@ -288,7 +290,7 @@ static int httpcli_get_google_keys_for_email(
   grpc_httpcli_response response = http_response(200, good_google_email_keys());
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path,
+  GPR_ASSERT(strcmp(request->http.path,
                     "/robot/v1/metadata/x509/"
                     "777-abaslkan11hlb6nmim3bpspl31ud@developer."
                     "gserviceaccount.com") == 0);
@@ -336,7 +338,7 @@ static int httpcli_get_custom_keys_for_email(
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/jwk/foo@bar.com") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/jwk/foo@bar.com") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -372,7 +374,7 @@ static int httpcli_get_jwk_set(grpc_exec_ctx *exec_ctx,
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/oauth2/v3/certs") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/oauth2/v3/certs") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -387,7 +389,7 @@ static int httpcli_get_openid_config(grpc_exec_ctx *exec_ctx,
       http_response(200, gpr_strdup(good_openid_config));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "accounts.google.com") == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
+  GPR_ASSERT(strcmp(request->http.path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
   grpc_httpcli_set_override(httpcli_get_jwk_set,
                             httpcli_post_should_not_be_called);
   on_response(exec_ctx, user_data, &response);
@@ -568,6 +570,7 @@ static void test_jwt_verifier_bad_format(void) {
 
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_claims_success();
   test_expired_claims_failure();
   test_invalid_claims_failure();
@@ -579,5 +582,6 @@ int main(int argc, char **argv) {
   test_jwt_verifier_bad_json_key();
   test_jwt_verifier_bad_signature();
   test_jwt_verifier_bad_format();
+  grpc_shutdown();
   return 0;
 }
diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index 55ac31e62c..20815d184c 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,10 +42,11 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 typedef struct {
-  grpc_pollset pollset;
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   int is_done;
   char *token;
 } oauth2_request;
@@ -66,11 +67,11 @@ static void on_oauth2_response(grpc_exec_ctx *exec_ctx, void *user_data,
            GPR_SLICE_LENGTH(token_slice));
     token[GPR_SLICE_LENGTH(token_slice)] = '\0';
   }
-  gpr_mu_lock(GRPC_POLLSET_MU(&request->pollset));
+  gpr_mu_lock(request->mu);
   request->is_done = 1;
   request->token = token;
-  grpc_pollset_kick(&request->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&request->pollset));
+  grpc_pollset_kick(request->pollset, NULL);
+  gpr_mu_unlock(request->mu);
 }
 
 static void do_nothing(grpc_exec_ctx *exec_ctx, void *unused, bool success) {}
@@ -82,28 +83,30 @@ char *grpc_test_fetch_oauth2_token_with_credentials(
   grpc_closure do_nothing_closure;
   grpc_auth_metadata_context null_ctx = {"", "", NULL, NULL};
 
-  grpc_pollset_init(&request.pollset);
+  request.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(request.pollset, &request.mu);
   request.is_done = 0;
 
   grpc_closure_init(&do_nothing_closure, do_nothing, NULL);
 
-  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, &request.pollset,
+  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, request.pollset,
                                              null_ctx, on_oauth2_response,
                                              &request);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&request.pollset));
+  gpr_mu_lock(request.mu);
   while (!request.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &request.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, request.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&request.pollset));
+  gpr_mu_unlock(request.mu);
 
-  grpc_pollset_shutdown(&exec_ctx, &request.pollset, &do_nothing_closure);
+  grpc_pollset_shutdown(&exec_ctx, request.pollset, &do_nothing_closure);
   grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_destroy(&request.pollset);
+  grpc_pollset_destroy(request.pollset);
+  gpr_free(request.pollset);
   return request.token;
 }
diff --git a/test/core/security/oauth2_utils.h b/test/core/security/oauth2_utils.h
index b35fe7987f..eff98270c8 100644
--- a/test/core/security/oauth2_utils.h
+++ b/test/core/security/oauth2_utils.h
@@ -34,7 +34,7 @@
 #ifndef GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 #define GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/test/core/security/print_google_default_creds_token.c b/test/core/security/print_google_default_creds_token.c
index 50fe61c996..99bce4fbdf 100644
--- a/test/core/security/print_google_default_creds_token.c
+++ b/test/core/security/print_google_default_creds_token.c
@@ -34,8 +34,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
@@ -44,8 +42,12 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
+
 typedef struct {
-  grpc_pollset pollset;
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   int is_done;
 } synchronizer;
 
@@ -62,10 +64,10 @@ static void on_metadata_response(grpc_exec_ctx *exec_ctx, void *user_data,
     printf("\nGot token: %s\n\n", token);
     gpr_free(token);
   }
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync->pollset));
+  gpr_mu_lock(sync->mu);
   sync->is_done = 1;
-  grpc_pollset_kick(&sync->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync->pollset));
+  grpc_pollset_kick(sync->pollset, NULL);
+  gpr_mu_unlock(sync->mu);
 }
 
 int main(int argc, char **argv) {
@@ -91,26 +93,30 @@ int main(int argc, char **argv) {
     goto end;
   }
 
-  grpc_pollset_init(&sync.pollset);
+  sync.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(sync.pollset, &sync.mu);
   sync.is_done = 0;
 
   grpc_call_credentials_get_request_metadata(
       &exec_ctx, ((grpc_composite_channel_credentials *)creds)->call_creds,
-      &sync.pollset, context, on_metadata_response, &sync);
+      sync.pollset, context, on_metadata_response, &sync);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_lock(sync.mu);
   while (!sync.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &sync.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, sync.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_unlock(sync.mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(sync.mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_unlock(sync.mu);
+
+  grpc_exec_ctx_finish(&exec_ctx);
 
   grpc_channel_credentials_release(creds);
+  gpr_free(sync.pollset);
 
 end:
   gpr_cmdline_destroy(cl);
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index fb4bd30e2d..aeaf38209b 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,16 +36,17 @@
 #include <fcntl.h>
 #include <sys/types.h>
 
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/test_config.h"
-#include "src/core/tsi/fake_transport_security.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
     size_t slice_size, gpr_slice *leftover_slices, size_t leftover_nslices) {
@@ -56,8 +57,8 @@ static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
   grpc_endpoint_pair tcp;
 
   tcp = grpc_iomgr_create_endpoint_pair("fixture", slice_size);
-  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, g_pollset);
 
   if (leftover_nslices == 0) {
     f.client_ep =
@@ -181,13 +182,16 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
 
   grpc_init();
-  grpc_pollset_init(&g_pollset);
-  grpc_endpoint_tests(configs[0], &g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
   test_leftover(configs[1], 1);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   return 0;
 }
diff --git a/test/core/security/security_connector_test.c b/test/core/security/security_connector_test.c
index ee5435f01d..1a4e64b30c 100644
--- a/test/core/security/security_connector_test.c
+++ b/test/core/security/security_connector_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,22 +34,21 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-#include "src/core/tsi/ssl_transport_security.h"
-#include "src/core/tsi/transport_security.h"
-#include "test/core/util/test_config.h"
-
 #include <grpc/grpc_security.h>
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
+#include "test/core/util/test_config.h"
+
 static int check_transport_security_type(const grpc_auth_context *ctx) {
   grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
       ctx, GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME);
@@ -81,13 +80,14 @@ static int check_peer_property(const tsi_peer *peer,
 
 static int check_ssl_peer_equivalence(const tsi_peer *original,
                                       const tsi_peer *reconstructed) {
-  /* The reconstructed peer only has CN and SAN properties. */
+  /* The reconstructed peer only has CN, SAN and pem cert properties. */
   size_t i;
   for (i = 0; i < original->property_count; i++) {
     const tsi_peer_property *prop = &original->properties[i];
     if ((strcmp(prop->name, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY) == 0) ||
         (strcmp(prop->name, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY) ==
-         0)) {
+         0) ||
+        (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0)) {
       if (!check_peer_property(reconstructed, prop)) return 0;
     }
   }
@@ -165,24 +165,50 @@ static int check_x509_cn(const grpc_auth_context *ctx,
   return 1;
 }
 
+static int check_x509_pem_cert(const grpc_auth_context *ctx,
+                               const char *expected_pem_cert) {
+  grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+      ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME);
+  const grpc_auth_property *prop = grpc_auth_property_iterator_next(&it);
+  if (prop == NULL) {
+    gpr_log(GPR_ERROR, "Pem certificate property not found.");
+    return 0;
+  }
+  if (strncmp(prop->value, expected_pem_cert, prop->value_length) != 0) {
+    gpr_log(GPR_ERROR, "Expected pem cert %s and got %s", expected_pem_cert,
+            prop->value);
+    return 0;
+  }
+  if (grpc_auth_property_iterator_next(&it) != NULL) {
+    gpr_log(GPR_ERROR, "Expected only one property for pem cert.");
+    return 0;
+  }
+  return 1;
+}
+
 static void test_cn_only_ssl_peer_to_auth_context(void) {
   tsi_peer peer;
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
   GPR_ASSERT(check_identity(ctx, GRPC_X509_CN_PROPERTY_NAME, &expected_cn, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -198,7 +224,8 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_san = "san1";
-  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(4, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
@@ -208,6 +235,9 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, expected_san,
                  &peer.properties[2]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[3]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
@@ -215,6 +245,7 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
       check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, &expected_san, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -230,8 +261,9 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
+  const char *expected_pem_cert = "pem_cert1";
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(2 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(3 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -239,10 +271,13 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[2 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[3 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -251,6 +286,7 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -266,9 +302,10 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
+  const char *expected_pem_cert = "pem_cert1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(4 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(5 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -280,10 +317,13 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                  &peer.properties[2]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  "chapi", "chapo", &peer.properties[3]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[4]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[4 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[5 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -292,6 +332,7 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
diff --git a/test/core/security/verify_jwt.c b/test/core/security/verify_jwt.c
index 378a37f26c..2274fe18d8 100644
--- a/test/core/security/verify_jwt.c
+++ b/test/core/security/verify_jwt.c
@@ -34,7 +34,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/jwt_verifier.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
@@ -43,8 +42,11 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
+#include "src/core/lib/security/jwt_verifier.h"
+
 typedef struct {
-  grpc_pollset pollset;
+  grpc_pollset *pollset;
+  gpr_mu *mu;
   int is_done;
   int success;
 } synchronizer;
@@ -77,10 +79,10 @@ static void on_jwt_verification_done(void *user_data,
             grpc_jwt_verifier_status_to_string(status));
   }
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync->pollset));
+  gpr_mu_lock(sync->mu);
   sync->is_done = 1;
-  grpc_pollset_kick(&sync->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync->pollset));
+  grpc_pollset_kick(sync->pollset, NULL);
+  gpr_mu_unlock(sync->mu);
 }
 
 int main(int argc, char **argv) {
@@ -103,23 +105,26 @@ int main(int argc, char **argv) {
 
   grpc_init();
 
-  grpc_pollset_init(&sync.pollset);
+  sync.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(sync.pollset, &sync.mu);
   sync.is_done = 0;
 
-  grpc_jwt_verifier_verify(&exec_ctx, verifier, &sync.pollset, jwt, aud,
+  grpc_jwt_verifier_verify(&exec_ctx, verifier, sync.pollset, jwt, aud,
                            on_jwt_verification_done, &sync);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_lock(sync.mu);
   while (!sync.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &sync.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, sync.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_unlock(sync.mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_lock(sync.mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_unlock(sync.mu);
+
+  gpr_free(sync.pollset);
 
   grpc_jwt_verifier_destroy(verifier);
   gpr_cmdline_destroy(cl);
diff --git a/test/core/statistics/census_log_tests.c b/test/core/statistics/census_log_tests.c
index 77cc57d4d6..8646a2fdf1 100644
--- a/test/core/statistics/census_log_tests.c
+++ b/test/core/statistics/census_log_tests.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,7 @@
  *
  */
 
-#include "src/core/statistics/census_log.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "src/core/ext/census/census_log.h"
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -42,6 +39,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 /* Fills in 'record' of size 'size'. Each byte in record is filled in with the
diff --git a/test/core/statistics/census_stub_test.c b/test/core/statistics/census_stub_test.c
index 8e409a3726..f9dddb6599 100644
--- a/test/core/statistics/census_stub_test.c
+++ b/test/core/statistics/census_stub_test.c
@@ -34,10 +34,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
 #include "test/core/util/test_config.h"
 
 /* Tests census noop stubs in a simulated rpc flow */
diff --git a/test/core/statistics/hash_table_test.c b/test/core/statistics/hash_table_test.c
index 3b119dbc0c..f63c1a366a 100644
--- a/test/core/statistics/hash_table_test.c
+++ b/test/core/statistics/hash_table_test.c
@@ -35,13 +35,13 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "src/core/statistics/hash_table.h"
+#include "src/core/ext/census/hash_table.h"
 
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 static uint64_t hash64(const void *k) {
@@ -65,8 +65,8 @@ static void free_data(void *data) { gpr_free(data); }
 static void test_create_table(void) {
   /* Create table with uint64 key type */
   census_ht *ht = NULL;
-  census_ht_option ht_options = {CENSUS_HT_UINT64, 1999, NULL, NULL, NULL,
-                                 NULL};
+  census_ht_option ht_options = {
+      CENSUS_HT_UINT64, 1999, NULL, NULL, NULL, NULL};
   ht = census_ht_create(&ht_options);
   GPR_ASSERT(ht != NULL);
   GPR_ASSERT(census_ht_get_size(ht) == 0);
@@ -120,8 +120,8 @@ static void test_table_with_int_key(void) {
 
 /* Test that there is no memory leak when keys and values are owned by table. */
 static void test_value_and_key_deleter(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys,
-                          &free_data, &free_data};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,          &hash64,
+                          &cmp_str_keys,     &free_data, &free_data};
   census_ht *ht = census_ht_create(&opt);
   census_ht_key key;
   char *val = NULL;
@@ -185,8 +185,8 @@ static void test_simple_add_and_erase(void) {
 }
 
 static void test_insertion_and_deletion_with_high_collision_rate(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 13, &force_collision,
-                          &cmp_str_keys, NULL, NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 13,   &force_collision,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
   char key_str[1000][GPR_LTOA_MIN_BUFSIZE];
   uint64_t val = 0;
@@ -209,12 +209,12 @@ static void test_insertion_and_deletion_with_high_collision_rate(void) {
 }
 
 static void test_table_with_string_key(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys, NULL,
-                          NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,    &hash64,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
-  const char *keys[] = {"k1", "a", "000", "apple",
-                        "banana_a_long_long_long_banana", "%$", "111", "foo",
-                        "b"};
+  const char *keys[] = {
+      "k1", "a",   "000", "apple", "banana_a_long_long_long_banana",
+      "%$", "111", "foo", "b"};
   const int vals[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
   int i = 0;
   GPR_ASSERT(ht != NULL);
diff --git a/test/core/statistics/rpc_stats_test.c b/test/core/statistics/rpc_stats_test.c
index b1d8814cfa..14def4bfe1 100644
--- a/test/core/statistics/rpc_stats_test.c
+++ b/test/core/statistics/rpc_stats_test.c
@@ -33,15 +33,15 @@
 
 #include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/trace_test.c b/test/core/statistics/trace_test.c
index 75904040ff..790507f2c6 100644
--- a/test/core/statistics/trace_test.c
+++ b/test/core/statistics/trace_test.c
@@ -31,12 +31,9 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_tracing.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -44,6 +41,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/window_stats_test.c b/test/core/statistics/window_stats_test.c
index 578138fdd2..5d71ba613d 100644
--- a/test/core/statistics/window_stats_test.c
+++ b/test/core/statistics/window_stats_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include "src/core/statistics/window_stats.h"
-#include <stdlib.h>
+#include "src/core/ext/census/window_stats.h"
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 typedef struct test_stat {
diff --git a/test/core/support/alloc_test.c b/test/core/support/alloc_test.c
index 6bdba8c390..451c580054 100644
--- a/test/core/support/alloc_test.c
+++ b/test/core/support/alloc_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include <grpc/support/log.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
 static void *fake_malloc(size_t size) { return (void *)size; }
@@ -46,7 +46,7 @@ static void fake_free(void *addr) {
 static void test_custom_allocs() {
   const gpr_allocation_functions default_fns = gpr_get_allocation_functions();
   intptr_t addr_to_free = 0;
-  int *i;
+  char *i;
   gpr_allocation_functions fns = {fake_malloc, fake_realloc, fake_free};
 
   gpr_set_allocation_functions(fns);
@@ -58,7 +58,7 @@ static void test_custom_allocs() {
 
   /* Restore and check we don't get funky values and that we don't leak */
   gpr_set_allocation_functions(default_fns);
-  GPR_ASSERT((void *)1 != (i = gpr_malloc(sizeof(*i))));
+  GPR_ASSERT((void *)sizeof(*i) != (i = gpr_malloc(sizeof(*i))));
   GPR_ASSERT((void *)2 != (i = gpr_realloc(i, 2)));
   gpr_free(i);
 }
diff --git a/test/core/support/avl_test.c b/test/core/support/avl_test.c
index d8d8b36806..83cc263c69 100644
--- a/test/core/support/avl_test.c
+++ b/test/core/support/avl_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/backoff_test.c b/test/core/support/backoff_test.c
new file mode 100644
index 0000000000..13cba7d750
--- /dev/null
+++ b/test/core/support/backoff_test.c
@@ -0,0 +1,107 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/support/backoff.h"
+
+#include <grpc/support/log.h>
+
+#include "test/core/util/test_config.h"
+
+static void test_constant_backoff(void) {
+  gpr_backoff backoff;
+  gpr_backoff_init(&backoff, 1.0, 0.0, 1000, 1000);
+
+  gpr_timespec now = gpr_time_0(GPR_TIMESPAN);
+  gpr_timespec next = gpr_backoff_begin(&backoff, now);
+  GPR_ASSERT(gpr_time_to_millis(gpr_time_sub(next, now)) == 1000);
+  for (int i = 0; i < 10000; i++) {
+    next = gpr_backoff_step(&backoff, now);
+    GPR_ASSERT(gpr_time_to_millis(gpr_time_sub(next, now)) == 1000);
+    now = next;
+  }
+}
+
+static void test_no_jitter_backoff(void) {
+  gpr_backoff backoff;
+  gpr_backoff_init(&backoff, 2.0, 0.0, 1, 513);
+
+  gpr_timespec now = gpr_time_0(GPR_TIMESPAN);
+  gpr_timespec next = gpr_backoff_begin(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(3, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(7, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(15, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(31, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(63, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(127, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(255, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(511, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1023, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1536, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(2049, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(2562, GPR_TIMESPAN), next) == 0);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  gpr_time_init();
+
+  test_constant_backoff();
+  test_no_jitter_backoff();
+
+  return 0;
+}
diff --git a/test/core/support/cpu_test.c b/test/core/support/cpu_test.c
index da16f13fd8..a5c52442ad 100644
--- a/test/core/support/cpu_test.c
+++ b/test/core/support/cpu_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/env_test.c b/test/core/support/env_test.c
index 69aebcc918..bd6a8bdf9d 100644
--- a/test/core/support/env_test.c
+++ b/test/core/support/env_test.c
@@ -37,8 +37,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/support/file_test.c b/test/core/support/load_file_test.c
index 330b2173ef..0125fd94fd 100644
--- a/test/core/support/file_test.c
+++ b/test/core/support/load_file_test.c
@@ -38,8 +38,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
@@ -134,33 +135,33 @@ static void test_load_big_file(void) {
   gpr_slice slice;
   int success;
   char *tmp_name;
-  unsigned char buffer[124631];
+  static const size_t buffer_size = 124631;
+  unsigned char *buffer = gpr_malloc(buffer_size);
   unsigned char *current;
   size_t i;
 
   LOG_TEST_NAME("test_load_big_file");
 
-  for (i = 0; i < sizeof(buffer); i++) {
-    buffer[i] = 42;
-  }
+  memset(buffer, 42, buffer_size);
 
   tmp = gpr_tmpfile(prefix, &tmp_name);
   GPR_ASSERT(tmp != NULL);
   GPR_ASSERT(tmp_name != NULL);
-  GPR_ASSERT(fwrite(buffer, 1, sizeof(buffer), tmp) == sizeof(buffer));
+  GPR_ASSERT(fwrite(buffer, 1, buffer_size, tmp) == buffer_size);
   fclose(tmp);
 
   slice = gpr_load_file(tmp_name, 0, &success);
   GPR_ASSERT(success == 1);
-  GPR_ASSERT(GPR_SLICE_LENGTH(slice) == sizeof(buffer));
+  GPR_ASSERT(GPR_SLICE_LENGTH(slice) == buffer_size);
   current = GPR_SLICE_START_PTR(slice);
-  for (i = 0; i < sizeof(buffer); i++) {
+  for (i = 0; i < buffer_size; i++) {
     GPR_ASSERT(current[i] == 42);
   }
 
   remove(tmp_name);
   gpr_free(tmp_name);
   gpr_slice_unref(slice);
+  gpr_free(buffer);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/support/murmur_hash_test.c b/test/core/support/murmur_hash_test.c
index 562b9567e7..ef32719408 100644
--- a/test/core/support/murmur_hash_test.c
+++ b/test/core/support/murmur_hash_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/support/stack_lockfree_test.c b/test/core/support/stack_lockfree_test.c
index 0f49e6fa52..745157f701 100644
--- a/test/core/support/stack_lockfree_test.c
+++ b/test/core/support/stack_lockfree_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/stack_lockfree.h"
+#include "src/core/lib/support/stack_lockfree.h"
 
 #include <stdlib.h>
 
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index c1d0f12250..d5f8107f21 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <limits.h>
 #include <stddef.h>
diff --git a/test/core/support/sync_test.c b/test/core/support/sync_test.c
index d311eb136a..0fcf08b9d3 100644
--- a/test/core/support/sync_test.c
+++ b/test/core/support/sync_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,13 +33,13 @@
 
 /* Test of gpr synchronization support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 /* ==================Example use of interface===================
diff --git a/test/core/support/thd_test.c b/test/core/support/thd_test.c
index f7807d280a..c00fd5af64 100644
--- a/test/core/support/thd_test.c
+++ b/test/core/support/thd_test.c
@@ -33,14 +33,16 @@
 
 /* Test of gpr thread support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
+#define NUM_THREADS 300
+
 struct test {
   gpr_mu mu;
   int n;
@@ -79,15 +81,14 @@ static void test_options(void) {
 static void test(void) {
   int i;
   gpr_thd_id thd;
-  gpr_thd_id thds[1000];
+  gpr_thd_id thds[NUM_THREADS];
   struct test t;
-  int n = 1000;
   gpr_thd_options options = gpr_thd_options_default();
   gpr_mu_init(&t.mu);
   gpr_cv_init(&t.done_cv);
-  t.n = n;
+  t.n = NUM_THREADS;
   t.is_done = 0;
-  for (i = 0; i != n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     GPR_ASSERT(gpr_thd_new(&thd, &thd_body, &t, NULL));
   }
   gpr_mu_lock(&t.mu);
@@ -97,10 +98,10 @@ static void test(void) {
   gpr_mu_unlock(&t.mu);
   GPR_ASSERT(t.n == 0);
   gpr_thd_options_set_joinable(&options);
-  for (i = 0; i < n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     GPR_ASSERT(gpr_thd_new(&thds[i], &thd_body_joinable, NULL, &options));
   }
-  for (i = 0; i < n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     gpr_thd_join(thds[i]);
   }
 }
diff --git a/test/core/support/time_test.c b/test/core/support/time_test.c
index 6cc3786df1..e9ca08d041 100644
--- a/test/core/support/time_test.c
+++ b/test/core/support/time_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,14 +33,14 @@
 
 /* Test of gpr time support. */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 static void to_fp(void *arg, const char *buf, size_t len) {
diff --git a/test/core/support/tls_test.c b/test/core/support/tls_test.c
index c6fb1a4a26..7b732ee10e 100644
--- a/test/core/support/tls_test.c
+++ b/test/core/support/tls_test.c
@@ -33,12 +33,12 @@
 
 /* Test of gpr thread local storage support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/tls.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 100
diff --git a/test/core/support/useful_test.c b/test/core/support/useful_test.c
index 3665bbf972..7d190228bd 100644
--- a/test/core/support/useful_test.c
+++ b/test/core/support/useful_test.c
@@ -31,9 +31,9 @@
  *
  */
 
-#include <grpc/support/useful.h>
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index c87fbdc897..9c6734e179 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include <grpc/byte_buffer_reader.h>
 #include <grpc/byte_buffer.h>
-#include <grpc/support/slice.h>
+#include <grpc/byte_buffer_reader.h>
 #include <grpc/grpc.h>
+#include <grpc/support/slice.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -42,7 +42,7 @@
 #include <grpc/support/time.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <string.h>
 
diff --git a/test/core/surface/channel_create_test.c b/test/core/surface/channel_create_test.c
index 044e766473..5ff66bd7a5 100644
--- a/test/core/surface/channel_create_test.c
+++ b/test/core/surface/channel_create_test.c
@@ -33,7 +33,7 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index ec49840ba8..d62d5a93b1 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/completion_queue.h"
 
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
new file mode 100644
index 0000000000..96761b0502
--- /dev/null
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -0,0 +1,81 @@
+/*
+*
+* Copyright 2016, Google Inc.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*     * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following disclaimer
+* in the documentation and/or other materials provided with the
+* distribution.
+*     * Neither the name of Google Inc. nor the names of its
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+
+#include <stdio.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/thd.h>
+#include "test/core/util/test_config.h"
+
+#define NUM_THREADS 100
+#define NUM_OUTER_LOOPS 10
+#define NUM_INNER_LOOPS 10
+#define DELAY_MILLIS 10
+#define POLL_MILLIS 3000
+
+void create_loop_destroy(void* unused) {
+  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
+    grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
+    grpc_channel* chan = grpc_insecure_channel_create("localhost", NULL, NULL);
+
+    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
+      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(DELAY_MILLIS);
+      grpc_connectivity_state state =
+          grpc_channel_check_connectivity_state(chan, 1);
+      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
+      gpr_timespec poll_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(POLL_MILLIS);
+      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
+                 GRPC_OP_COMPLETE);
+    }
+    grpc_channel_destroy(chan);
+    grpc_completion_queue_destroy(cq);
+  }
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  gpr_thd_id threads[NUM_THREADS];
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    gpr_thd_new(&threads[i], create_loop_destroy, NULL, &options);
+  }
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_join(threads[i]);
+  }
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 79e53cb422..12fa9de6cf 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/channel/channel_stack.h"
-#include "src/core/iomgr/closure.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/transport.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/secure_channel_create_test.c b/test/core/surface/secure_channel_create_test.c
index f3e5fefaf0..80419efce4 100644
--- a/test/core/surface/secure_channel_create_test.c
+++ b/test/core/surface/secure_channel_create_test.c
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/surface/channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/surface/channel.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/server_chttp2_test.c b/test/core/surface/server_chttp2_test.c
index 84b345bb50..d22c164972 100644
--- a/test/core/surface/server_chttp2_test.c
+++ b/test/core/surface/server_chttp2_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,8 +37,8 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/security/credentials.h"
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/server_test.c b/test/core/surface/server_test.c
index 1d5211d225..3d2e25379a 100644
--- a/test/core/surface/server_test.c
+++ b/test/core/surface/server_test.c
@@ -42,11 +42,25 @@ void test_register_method_fail(void) {
   grpc_server *server = grpc_server_create(NULL, NULL);
   void *method;
   void *method_old;
-  method = grpc_server_register_method(server, NULL, NULL);
+  method =
+      grpc_server_register_method(server, NULL, NULL, GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method == NULL);
-  method_old = grpc_server_register_method(server, "m", "h");
+  method_old =
+      grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method_old != NULL);
-  method = grpc_server_register_method(server, "m", "h");
+  method = grpc_server_register_method(
+      server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
+  GPR_ASSERT(method == NULL);
+  method_old =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE,
+                                  GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
+  GPR_ASSERT(method_old != NULL);
+  method =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE, 0);
+  GPR_ASSERT(method == NULL);
+  method = grpc_server_register_method(
+      server, "m2", "h2", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER,
+      GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
   GPR_ASSERT(method == NULL);
   grpc_server_destroy(server);
 }
diff --git a/test/core/transport/chttp2/alpn_test.c b/test/core/transport/chttp2/alpn_test.c
index 9a7d5ef0c3..48064ec9b3 100644
--- a/test/core/transport/chttp2/alpn_test.c
+++ b/test/core/transport/chttp2/alpn_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index d1838075be..095861e974 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 
 #include <string.h>
 
@@ -39,9 +39,9 @@
  * TODO(murgatroid99): Remove this
  */
 #include <grpc/grpc.h>
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/support/string.h"
 
 static int all_ok = 1;
 
@@ -83,7 +83,7 @@ static void expect_combined_equiv(const char *s, size_t len, int line) {
   gpr_slice input = gpr_slice_from_copied_buffer(s, len);
   gpr_slice base64 = grpc_chttp2_base64_encode(input);
   gpr_slice expect = grpc_chttp2_huffman_compress(base64);
-  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress(input);
+  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress_impl(input);
   if (0 != gpr_slice_cmp(expect, got)) {
     char *t = gpr_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *e = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index 4a9d143640..186bb6406f 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -31,16 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
 
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/metadata.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/metadata.h"
 #include "test/core/util/parse_hexstring.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
@@ -93,7 +95,10 @@ static void verify(size_t window_available, int eof, size_t expect_window_used,
 
   gpr_slice_buffer_init(&output);
 
-  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &output);
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &stats,
+                            &output);
   merged = grpc_slice_merge(output.slices, output.count);
   gpr_slice_buffer_destroy(&output);
   grpc_metadata_batch_destroy(&b);
@@ -179,6 +184,37 @@ static void test_decode_table_overflow(void) {
   verify(0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa", "ba");
 }
 
+static void verify_table_size_change_match_elem_size(const char *key,
+                                                     const char *value) {
+  gpr_slice_buffer output;
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t initial_table_size = g_compressor.table_size;
+  grpc_linked_mdelem *e = gpr_malloc(sizeof(*e));
+  grpc_metadata_batch b;
+  grpc_metadata_batch_init(&b);
+  e[0].md = elem;
+  e[0].prev = NULL;
+  e[0].next = NULL;
+  b.list.head = &e[0];
+  b.list.tail = &e[0];
+  gpr_slice_buffer_init(&output);
+
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, 0, &stats, &output);
+  gpr_slice_buffer_destroy(&output);
+  grpc_metadata_batch_destroy(&b);
+
+  GPR_ASSERT(g_compressor.table_size == elem_size + initial_table_size);
+  gpr_free(e);
+}
+
+static void test_encode_header_size(void) {
+  verify_table_size_change_match_elem_size("hello", "world");
+  verify_table_size_change_match_elem_size("hello-bin", "world");
+}
+
 static void run_test(void (*test)(), const char *name) {
   gpr_log(GPR_INFO, "RUN TEST: %s", name);
   grpc_chttp2_hpack_compressor_init(&g_compressor);
@@ -193,6 +229,7 @@ int main(int argc, char **argv) {
   grpc_init();
   TEST(test_basic_headers);
   TEST(test_decode_table_overflow);
+  TEST(test_encode_header_size);
   grpc_shutdown();
   for (i = 0; i < num_to_delete; i++) {
     gpr_free(to_delete[i]);
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
new file mode 100644
index 0000000000..76b1250625
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
@@ -0,0 +1 @@
+(?¤¤¤Û¤Ûð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599 b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599
new file mode 100644
index 0000000000..e28a5867db
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6 b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
new file mode 100644
index 0000000000..0ea34c4099
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
@@ -0,0 +1 @@
+¤!ƒÛð¤!ƒ¶Ûð*c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76 b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
new file mode 100644
index 0000000000..ce65ec6fd1
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
@@ -0,0 +1 @@
+¤¤ð¤-bin;?0c!(ðK	ð[N!‹c[:¤ð¤-\!õG!):[(!!¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2 b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
new file mode 100644
index 0000000000..a7936f2faf
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
@@ -0,0 +1 @@
+ð[(-bin!	ð(!\	?* ¤®@:ð[
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e b/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e
new file mode 100644
index 0000000000..be20eb55de
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2 b/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2
new file mode 100644
index 0000000000..0edc9f996f
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2
@@ -0,0 +1 @@
+®€¤ˆ(cc
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4 b/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4
new file mode 100644
index 0000000000..ebb1e884e3
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4
@@ -0,0 +1 @@
+¤!ƒÛðð¤!ƒÛððc
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129 b/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129
new file mode 100644
index 0000000000..e880d551ba
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129
@@ -0,0 +1 @@
+;?'cð[(!	ð[N!\	!åGý!*(!	!åGýA)(!)í!¼*)åGýI)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0828169ba82152a8907f1001e3d98804397d4610 b/test/core/transport/chttp2/hpack_parser_corpus/0828169ba82152a8907f1001e3d98804397d4610
new file mode 100644
index 0000000000..af778fb8af
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0828169ba82152a8907f1001e3d98804397d4610
@@ -0,0 +1 @@
+¤¤Ûð!ð	cc'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/08ffc4a4160e9fe6f322c28870a89a41fd9c37d7 b/test/core/transport/chttp2/hpack_parser_corpus/08ffc4a4160e9fe6f322c28870a89a41fd9c37d7
new file mode 100644
index 0000000000..e0c8806edc
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/08ffc4a4160e9fe6f322c28870a89a41fd9c37d7
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/090a7a758898a6e7c9108b7e8a1cb9cda383e707 b/test/core/transport/chttp2/hpack_parser_corpus/090a7a758898a6e7c9108b7e8a1cb9cda383e707
new file mode 100644
index 0000000000..93f599d059
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/090a7a758898a6e7c9108b7e8a1cb9cda383e707
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[)(-'bin	!!?¤Ûð!ð{(-binð	!\	!åé;?Gí[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0940663729501b750a18542e1041cc26385c6148 b/test/core/transport/chttp2/hpack_parser_corpus/0940663729501b750a18542e1041cc26385c6148
new file mode 100644
index 0000000000..1e92896b14
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0940663729501b750a18542e1041cc26385c6148
@@ -0,0 +1 @@
+¤¤ð¤-bin‹äc[ò)('-bi.	*)!?¤Ûâ!ð{(-bi\n!	!	ðåé;?Gí:[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0a10bd140c6c5fb109a0816ca061739688a6db9a b/test/core/transport/chttp2/hpack_parser_corpus/0a10bd140c6c5fb109a0816ca061739688a6db9a
new file mode 100644
index 0000000000..94a6997022
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0a10bd140c6c5fb109a0816ca061739688a6db9a
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0a4d3fda02cdcb7adad1daa80d65780c9c8d1464 b/test/core/transport/chttp2/hpack_parser_corpus/0a4d3fda02cdcb7adad1daa80d65780c9c8d1464
new file mode 100644
index 0000000000..389f58b8ae
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0a4d3fda02cdcb7adad1daa80d65780c9c8d1464
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0ad812832efa33e086874fbf3496664d3f1b4dbe b/test/core/transport/chttp2/hpack_parser_corpus/0ad812832efa33e086874fbf3496664d3f1b4dbe
new file mode 100644
index 0000000000..e4ec7808b9
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0ad812832efa33e086874fbf3496664d3f1b4dbe
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0c9996d4fef87bacd7a001e99a515b3ba3d5788f b/test/core/transport/chttp2/hpack_parser_corpus/0c9996d4fef87bacd7a001e99a515b3ba3d5788f
new file mode 100644
index 0000000000..229a89045a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0c9996d4fef87bacd7a001e99a515b3ba3d5788f
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0d6210208831fe55951af56cdeee3d54a91a5361 b/test/core/transport/chttp2/hpack_parser_corpus/0d6210208831fe55951af56cdeee3d54a91a5361
new file mode 100644
index 0000000000..001fd0bc88
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0d6210208831fe55951af56cdeee3d54a91a5361
@@ -0,0 +1 @@
+f!(!!	i[Ñ!å
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0d784965b2262df7ed7a1eb57b92a718cc76bde8 b/test/core/transport/chttp2/hpack_parser_corpus/0d784965b2262df7ed7a1eb57b92a718cc76bde8
new file mode 100644
index 0000000000..398077e307
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0d784965b2262df7ed7a1eb57b92a718cc76bde8
@@ -0,0 +1 @@
+¤Ê!ð	c'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0dc9e41eedf35ccedf4e2b0d230ead7c4d72fdb2 b/test/core/transport/chttp2/hpack_parser_corpus/0dc9e41eedf35ccedf4e2b0d230ead7c4d72fdb2
new file mode 100644
index 0000000000..60191620fa
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0dc9e41eedf35ccedf4e2b0d230ead7c4d72fdb2
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0dd470c8939ed535de6b36f7b7bfb68aeace493e b/test/core/transport/chttp2/hpack_parser_corpus/0dd470c8939ed535de6b36f7b7bfb68aeace493e
new file mode 100644
index 0000000000..ca7cbd033a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0dd470c8939ed535de6b36f7b7bfb68aeace493e
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[)('-bh	*!!?¤Ûâ!ð{(-bi\n!	!	ðåé;?Gí:[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0e61e471fa6d3405daef4276ee00cf5fc189f378 b/test/core/transport/chttp2/hpack_parser_corpus/0e61e471fa6d3405daef4276ee00cf5fc189f378
new file mode 100644
index 0000000000..203837bbd7
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0e61e471fa6d3405daef4276ee00cf5fc189f378
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0e9196f951874edbb5ed098739ea5c8b6c0751c2 b/test/core/transport/chttp2/hpack_parser_corpus/0e9196f951874edbb5ed098739ea5c8b6c0751c2
new file mode 100644
index 0000000000..8a3ef9ea82
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0e9196f951874edbb5ed098739ea5c8b6c0751c2
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/11442d93a554b9e7f9ab02782bbf9443bf6e1ddc b/test/core/transport/chttp2/hpack_parser_corpus/11442d93a554b9e7f9ab02782bbf9443bf6e1ddc
new file mode 100644
index 0000000000..fdeb10ae31
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/11442d93a554b9e7f9ab02782bbf9443bf6e1ddc
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/11833b795d04eda5a3af56ef7b3c3a26a8ee3444 b/test/core/transport/chttp2/hpack_parser_corpus/11833b795d04eda5a3af56ef7b3c3a26a8ee3444
new file mode 100644
index 0000000000..480a056677
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/11833b795d04eda5a3af56ef7b3c3a26a8ee3444
@@ -0,0 +1 @@
+¤¤ð¤-bin‹)['(-cbin	!!?¤Ûð!ð{(-binð	!\	!åé;?Gí:[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/141272316382b0f3e9ec841c735b84e7aa517c3e b/test/core/transport/chttp2/hpack_parser_corpus/141272316382b0f3e9ec841c735b84e7aa517c3e
new file mode 100644
index 0000000000..f706bd98e7
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/141272316382b0f3e9ec841c735b84e7aa517c3e
@@ -0,0 +1 @@
+;?0c!(ðK	ð[N!\!õG![(!!	!åGýA)(!)í!*åG€¾ýA))Ù+©Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/15ae43369798e48c396dfe7d53a21878b96e66c8 b/test/core/transport/chttp2/hpack_parser_corpus/15ae43369798e48c396dfe7d53a21878b96e66c8
new file mode 100644
index 0000000000..e4c217c6e5
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/15ae43369798e48c396dfe7d53a21878b96e66c8
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/166bf1843c229d34a2880d234dd166c27bdc11fd b/test/core/transport/chttp2/hpack_parser_corpus/166bf1843c229d34a2880d234dd166c27bdc11fd
new file mode 100644
index 0000000000..64fdd961e9
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/166bf1843c229d34a2880d234dd166c27bdc11fd
@@ -0,0 +1 @@
+¤¤ð¤-bin‹í¤-[c'!)¤bi
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/179e8ac763b4051a953a38b6b3b1f1e1f6cc6c9e b/test/core/transport/chttp2/hpack_parser_corpus/179e8ac763b4051a953a38b6b3b1f1e1f6cc6c9e
new file mode 100644
index 0000000000..b576e9fb7a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/179e8ac763b4051a953a38b6b3b1f1e1f6cc6c9e
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/17faf0ba8a491a835d35977a9007b90ab7d30d2a b/test/core/transport/chttp2/hpack_parser_corpus/17faf0ba8a491a835d35977a9007b90ab7d30d2a
new file mode 100644
index 0000000000..483097294c
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/17faf0ba8a491a835d35977a9007b90ab7d30d2a
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/188f6cf2470e95b228341de305ef839b27f01a5c b/test/core/transport/chttp2/hpack_parser_corpus/188f6cf2470e95b228341de305ef839b27f01a5c
new file mode 100644
index 0000000000..75aa45a025
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/188f6cf2470e95b228341de305ef839b27f01a5c
@@ -0,0 +1 @@
+;?0cð[(!	ð[N!\	!åGý![(!!	!åGýA)(!)í!¼*)åGýA)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1ab3e52adace335d02e2b5130eb4f7c918add7fd b/test/core/transport/chttp2/hpack_parser_corpus/1ab3e52adace335d02e2b5130eb4f7c918add7fd
new file mode 100644
index 0000000000..914e443ce8
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1ab3e52adace335d02e2b5130eb4f7c918add7fd
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[')(-'bin	!!?¤Ûð!ð{(-banð	!\	!(åé–;?Gí:[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1b5150514364e2c17f5a4edac1b7af99b936f55a b/test/core/transport/chttp2/hpack_parser_corpus/1b5150514364e2c17f5a4edac1b7af99b936f55a
new file mode 100644
index 0000000000..fc2f5a59a1
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1b5150514364e2c17f5a4edac1b7af99b936f55a
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1e8befb98cbaba059d6771abd1680e19484e7723 b/test/core/transport/chttp2/hpack_parser_corpus/1e8befb98cbaba059d6771abd1680e19484e7723
new file mode 100644
index 0000000000..6ae0cd1d85
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1e8befb98cbaba059d6771abd1680e19484e7723
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1e9b962969c359bc2ff766704c8ca8e25f5eccfc b/test/core/transport/chttp2/hpack_parser_corpus/1e9b962969c359bc2ff766704c8ca8e25f5eccfc
new file mode 100644
index 0000000000..970a9121b3
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1e9b962969c359bc2ff766704c8ca8e25f5eccfc
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1f80af104acf41b912bf4a48fb938267e3718719 b/test/core/transport/chttp2/hpack_parser_corpus/1f80af104acf41b912bf4a48fb938267e3718719
new file mode 100644
index 0000000000..ae0ab51374
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1f80af104acf41b912bf4a48fb938267e3718719
@@ -0,0 +1 @@
+?*®@:[ðøc	(!!\þ;ð
!~	ÛåG¤¤Ûðý!Ðam¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/1fcc4afd6f48e83d61ea74970df3ca9dcd8ec291 b/test/core/transport/chttp2/hpack_parser_corpus/1fcc4afd6f48e83d61ea74970df3ca9dcd8ec291
new file mode 100644
index 0000000000..68b2d0efc7
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/1fcc4afd6f48e83d61ea74970df3ca9dcd8ec291
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/213a734ccdb813b18ad9f2dd99b7f9967ee1460b b/test/core/transport/chttp2/hpack_parser_corpus/213a734ccdb813b18ad9f2dd99b7f9967ee1460b
new file mode 100644
index 0000000000..64ab9ba5ed
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/213a734ccdb813b18ad9f2dd99b7f9967ee1460b
@@ -0,0 +1 @@
+¤¤ð¤-bin‹™[)('-bin	!!?¤Ûð!ð{(-bi\n!	!	ðåé;?Gí:[((!!\ð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/2151945f43991c27e123c45dc72b93752a47e65f b/test/core/transport/chttp2/hpack_parser_corpus/2151945f43991c27e123c45dc72b93752a47e65f
new file mode 100644
index 0000000000..2715d4e66a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/2151945f43991c27e123c45dc72b93752a47e65f
@@ -0,0 +1 @@
+ð[(-bin!	ð(!\	!åGý:[(!'ð[(!!	ð[(*!	!å!ýGåGýA)([(	!!å
\ No newline at end of file
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new file mode 100644
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new file mode 100644
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new file mode 100644
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diff --git a/test/core/transport/chttp2/hpack_parser_corpus/5b42793550699b2c015bed677cfcddc052f73513 b/test/core/transport/chttp2/hpack_parser_corpus/5b42793550699b2c015bed677cfcddc052f73513
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+¤¤ð¤-bin‹c[''(-'bin	!!?¤¤cÛð!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74 b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
new file mode 100644
index 0000000000..67f84c5fbc
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
@@ -0,0 +1 @@
+ð[(!	ð(!\	!åGý:[(!'ð[(!!	ð[(!!	!åGý!åGýA)([(	!!å
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb
new file mode 100644
index 0000000000..99d90a032a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8 b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8
new file mode 100644
index 0000000000..c5005c7700
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836 b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
new file mode 100644
index 0000000000..fcae5ce55e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
@@ -0,0 +1 @@
+¤¤ð¤-bin‹Ê!ð	c(?¤)['›ð!	c'(
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
new file mode 100644
index 0000000000..4ed844aca1
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
@@ -0,0 +1 @@
+(??�;[(¤('?¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170 b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170
new file mode 100644
index 0000000000..e8e30c889e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c
new file mode 100644
index 0000000000..b9b44ea4a0
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
new file mode 100644
index 0000000000..58337fbf9b
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c—*[)¤(-¤Ûð'ð!bƒcin	;!!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
new file mode 100644
index 0000000000..e41eda8653
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+
+static void onhdr(void *ud, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  gpr_set_log_function(dont_log);
+  grpc_init();
+  grpc_chttp2_hpack_parser parser;
+  grpc_chttp2_hpack_parser_init(&parser);
+  parser.on_header = onhdr;
+  grpc_chttp2_hpack_parser_parse(&parser, data, data + size);
+  grpc_chttp2_hpack_parser_destroy(&parser);
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 4456e197af..51bf48dc09 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
 
 #include <stdarg.h>
 
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 3c5f2e4e31..73e59f1536 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,17 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/transport/chttp2/status_conversion_test.c b/test/core/transport/chttp2/status_conversion_test.c
index e2729a0a19..e6fc785728 100644
--- a/test/core/transport/chttp2/status_conversion_test.c
+++ b/test/core/transport/chttp2/status_conversion_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/stream_map_test.c b/test/core/transport/chttp2/stream_map_test.c
index 527d2fe0ae..83d740a7c0 100644
--- a/test/core/transport/chttp2/stream_map_test.c
+++ b/test/core/transport/chttp2/stream_map_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_map.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index 483e79fb25..67639936a7 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -128,11 +128,10 @@ void test_decoding(void) {
   decode_suite('H', gpr_time_from_hours);
   assert_decodes_as("1000000000S",
                     gpr_time_from_seconds(1000 * 1000 * 1000, GPR_TIMESPAN));
-  assert_decodes_as("1000000000000000000000u",
-                    gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("1000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("2000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("9999999999S", gpr_inf_future(GPR_CLOCK_REALTIME));
+  assert_decodes_as("1000000000000000000000u", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("1000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("2000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("9999999999S", gpr_inf_future(GPR_TIMESPAN));
 }
 
 void test_decoding_fails(void) {
diff --git a/test/core/transport/chttp2/varint_test.c b/test/core/transport/chttp2/varint_test.c
index f06116a731..3552bf0c59 100644
--- a/test/core/transport/chttp2/varint_test.c
+++ b/test/core/transport/chttp2/varint_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/varint.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
 
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
diff --git a/test/core/transport/connectivity_state_test.c b/test/core/transport/connectivity_state_test.c
index 4b2d0aa44a..6bb7c3b06b 100644
--- a/test/core/transport/connectivity_state_test.c
+++ b/test/core/transport/connectivity_state_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #include <string.h>
 
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 928fba7f45..a4e9694a93 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -31,17 +31,19 @@
  *
  */
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -260,6 +262,54 @@ static void test_user_data_works(void) {
   grpc_shutdown();
 }
 
+static void verify_ascii_header_size(const char *key, const char *value) {
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t expected_size = 32 + strlen(key) + strlen(value);
+  GPR_ASSERT(expected_size == elem_size);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+static void verify_binary_header_size(const char *key, const uint8_t *value,
+                                      size_t value_len) {
+  grpc_mdelem *elem = grpc_mdelem_from_string_and_buffer(key, value, value_len);
+  GPR_ASSERT(grpc_is_binary_header(key, strlen(key)));
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  gpr_slice value_slice =
+      gpr_slice_from_copied_buffer((const char *)value, value_len);
+  gpr_slice base64_encoded = grpc_chttp2_base64_encode(value_slice);
+  size_t expected_size = 32 + strlen(key) + GPR_SLICE_LENGTH(base64_encoded);
+  GPR_ASSERT(expected_size == elem_size);
+  gpr_slice_unref(value_slice);
+  gpr_slice_unref(base64_encoded);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+#define BUFFER_SIZE 64
+static void test_mdelem_sizes_in_hpack(void) {
+  LOG_TEST("test_mdelem_size");
+  grpc_init();
+
+  uint8_t binary_value[BUFFER_SIZE] = {0};
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    binary_value[i] = i;
+  }
+
+  verify_ascii_header_size("hello", "world");
+  verify_ascii_header_size("hello", "worldxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+  verify_ascii_header_size(":scheme", "http");
+
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    verify_binary_header_size("hello-bin", binary_value, i);
+  }
+
+  const char *static_metadata = grpc_static_metadata_strings[0];
+  memcpy(binary_value, static_metadata, strlen(static_metadata));
+  verify_binary_header_size("hello-bin", binary_value, strlen(static_metadata));
+
+  grpc_shutdown();
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_no_op();
@@ -272,5 +322,6 @@ int main(int argc, char **argv) {
   test_slices_work();
   test_base64_and_huffman_works();
   test_user_data_works();
+  test_mdelem_sizes_in_hpack();
   return 0;
 }
diff --git a/test/core/tsi/transport_security_test.c b/test/core/tsi/transport_security_test.c
index 7ce343987b..01e8770b24 100644
--- a/test/core/tsi/transport_security_test.c
+++ b/test/core/tsi/transport_security_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 #include <string.h>
 
@@ -42,9 +42,9 @@
 
 #include <openssl/crypto.h>
 
-#include "src/core/support/string.h"
-#include "src/core/tsi/fake_transport_security.h"
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 #include "test/core/util/test_config.h"
 
 typedef struct {
@@ -61,35 +61,37 @@ typedef struct {
      of '#' will be replaced with a null character before processing. */
   const char *dns_names;
 
+  /* Comma separated list of IP SANs to match aggainst */
+  const char *ip_names;
 } cert_name_test_entry;
 
 /* Largely inspired from:
    chromium/src/net/cert/x509_certificate_unittest.cc.
    TODO(jboeuf) uncomment test cases as we fix tsi_ssl_peer_matches_name. */
 const cert_name_test_entry cert_name_test_entries[] = {
-    {1, "foo.com", "foo.com", NULL},
-    {1, "f", "f", NULL},
-    {0, "h", "i", NULL},
-    {1, "bar.foo.com", "*.foo.com", NULL},
+    {1, "foo.com", "foo.com", NULL, NULL},
+    {1, "f", "f", NULL, NULL},
+    {0, "h", "i", NULL, NULL},
+    {1, "bar.foo.com", "*.foo.com", NULL, NULL},
     {1, "www.test.fr", "common.name",
-     "*.test.com,*.test.co.uk,*.test.de,*.test.fr"},
+     "*.test.com,*.test.co.uk,*.test.de,*.test.fr", NULL},
     /*
        {1, "wwW.tESt.fr", "common.name", ",*.*,*.test.de,*.test.FR,www"},
      */
-    {0, "f.uk", ".uk", NULL},
-    {0, "w.bar.foo.com", "?.bar.foo.com", NULL},
-    {0, "www.foo.com", "(www|ftp).foo.com", NULL},
-    {0, "www.foo.com", "www.foo.com#", NULL}, /* # = null char. */
-    {0, "www.foo.com", "", "www.foo.com#*.foo.com,#,#"},
-    {0, "www.house.example", "ww.house.example", NULL},
-    {0, "test.org", "", "www.test.org,*.test.org,*.org"},
-    {0, "w.bar.foo.com", "w*.bar.foo.com", NULL},
-    {0, "www.bar.foo.com", "ww*ww.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "ww*ww.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "w*w.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "w*w.bar.foo.c0m", NULL},
-    {0, "WALLY.bar.foo.com", "wa*.bar.foo.com", NULL},
-    {0, "wally.bar.foo.com", "*Ly.bar.foo.com", NULL},
+    {0, "f.uk", ".uk", NULL, NULL},
+    {0, "w.bar.foo.com", "?.bar.foo.com", NULL, NULL},
+    {0, "www.foo.com", "(www|ftp).foo.com", NULL, NULL},
+    {0, "www.foo.com", "www.foo.com#", NULL, NULL}, /* # = null char. */
+    {0, "www.foo.com", "", "www.foo.com#*.foo.com,#,#", NULL},
+    {0, "www.house.example", "ww.house.example", NULL, NULL},
+    {0, "test.org", "", "www.test.org,*.test.org,*.org", NULL},
+    {0, "w.bar.foo.com", "w*.bar.foo.com", NULL, NULL},
+    {0, "www.bar.foo.com", "ww*ww.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "ww*ww.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "w*w.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "w*w.bar.foo.c0m", NULL, NULL},
+    {0, "WALLY.bar.foo.com", "wa*.bar.foo.com", NULL, NULL},
+    {0, "wally.bar.foo.com", "*Ly.bar.foo.com", NULL, NULL},
     /*
        {1, "ww%57.foo.com", "", "www.foo.com"},
        {1, "www&.foo.com", "www%26.foo.com", NULL},
@@ -97,94 +99,108 @@ const cert_name_test_entry cert_name_test_entries[] = {
 
     /* Common name must not be used if subject alternative name was provided. */
     {0, "www.test.co.jp", "www.test.co.jp",
-     "*.test.de,*.jp,www.test.co.uk,www.*.co.jp"},
+     "*.test.de,*.jp,www.test.co.uk,www.*.co.jp", NULL},
     {0, "www.bar.foo.com", "www.bar.foo.com",
-     "*.foo.com,*.*.foo.com,*.*.bar.foo.com,*..bar.foo.com,"},
+     "*.foo.com,*.*.foo.com,*.*.bar.foo.com,*..bar.foo.com,", NULL},
 
     /* IDN tests */
-    {1, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br", NULL},
-    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL},
+    {1, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br", NULL, NULL},
+    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL, NULL},
     {0, "xn--poema-9qae5a.com.br", "",
      "*.xn--poema-9qae5a.com.br,"
      "xn--poema-*.com.br,"
      "xn--*-9qae5a.com.br,"
-     "*--poema-9qae5a.com.br"},
+     "*--poema-9qae5a.com.br",
+     NULL},
 
     /* The following are adapted from the  examples quoted from
        http://tools.ietf.org/html/rfc6125#section-6.4.3
        (e.g., *.example.com would match foo.example.com but
        not bar.foo.example.com or example.com). */
-    {1, "foo.example.com", "*.example.com", NULL},
-    {0, "bar.foo.example.com", "*.example.com", NULL},
-    {0, "example.com", "*.example.com", NULL},
+    {1, "foo.example.com", "*.example.com", NULL, NULL},
+    {0, "bar.foo.example.com", "*.example.com", NULL, NULL},
+    {0, "example.com", "*.example.com", NULL, NULL},
 
     /* Partial wildcards are disallowed, though RFC 2818 rules allow them.
        That is, forms such as baz*.example.net, *baz.example.net, and
        b*z.example.net should NOT match domains. Instead, the wildcard must
        always be the left-most label, and only a single label. */
-    {0, "baz1.example.net", "baz*.example.net", NULL},
-    {0, "foobaz.example.net", "*baz.example.net", NULL},
-    {0, "buzz.example.net", "b*z.example.net", NULL},
-    {0, "www.test.example.net", "www.*.example.net", NULL},
+    {0, "baz1.example.net", "baz*.example.net", NULL, NULL},
+    {0, "foobaz.example.net", "*baz.example.net", NULL, NULL},
+    {0, "buzz.example.net", "b*z.example.net", NULL, NULL},
+    {0, "www.test.example.net", "www.*.example.net", NULL, NULL},
 
     /* Wildcards should not be valid for public registry controlled domains,
        and unknown/unrecognized domains, at least three domain components must
        be present. */
-    {1, "www.test.example", "*.test.example", NULL},
-    {1, "test.example.co.uk", "*.example.co.uk", NULL},
-    {0, "test.example", "*.example", NULL},
+    {1, "www.test.example", "*.test.example", NULL, NULL},
+    {1, "test.example.co.uk", "*.example.co.uk", NULL, NULL},
+    {0, "test.example", "*.example", NULL, NULL},
     /*
        {0, "example.co.uk", "*.co.uk", NULL},
      */
-    {0, "foo.com", "*.com", NULL},
-    {0, "foo.us", "*.us", NULL},
-    {0, "foo", "*", NULL},
+    {0, "foo.com", "*.com", NULL, NULL},
+    {0, "foo.us", "*.us", NULL, NULL},
+    {0, "foo", "*", NULL, NULL},
 
     /* IDN variants of wildcards and registry controlled domains. */
-    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL},
-    {1, "test.example.xn--mgbaam7a8h", "*.example.xn--mgbaam7a8h", NULL},
+    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL, NULL},
+    {1, "test.example.xn--mgbaam7a8h", "*.example.xn--mgbaam7a8h", NULL, NULL},
     /*
        {0, "xn--poema-9qae5a.com.br", "*.com.br", NULL},
      */
-    {0, "example.xn--mgbaam7a8h", "*.xn--mgbaam7a8h", NULL},
+    {0, "example.xn--mgbaam7a8h", "*.xn--mgbaam7a8h", NULL, NULL},
 
     /* Wildcards should be permissible for 'private' registry controlled
        domains. */
-    {1, "www.appspot.com", "*.appspot.com", NULL},
-    {1, "foo.s3.amazonaws.com", "*.s3.amazonaws.com", NULL},
+    {1, "www.appspot.com", "*.appspot.com", NULL, NULL},
+    {1, "foo.s3.amazonaws.com", "*.s3.amazonaws.com", NULL, NULL},
 
     /* Multiple wildcards are not valid. */
-    {0, "foo.example.com", "*.*.com", NULL},
-    {0, "foo.bar.example.com", "*.bar.*.com", NULL},
+    {0, "foo.example.com", "*.*.com", NULL, NULL},
+    {0, "foo.bar.example.com", "*.bar.*.com", NULL, NULL},
 
     /* Absolute vs relative DNS name tests. Although not explicitly specified
        in RFC 6125, absolute reference names (those ending in a .) should
        match either absolute or relative presented names. */
-    {1, "foo.com", "foo.com.", NULL},
-    {1, "foo.com.", "foo.com", NULL},
-    {1, "foo.com.", "foo.com.", NULL},
-    {1, "f", "f.", NULL},
-    {1, "f.", "f", NULL},
-    {1, "f.", "f.", NULL},
-    {1, "www-3.bar.foo.com", "*.bar.foo.com.", NULL},
-    {1, "www-3.bar.foo.com.", "*.bar.foo.com", NULL},
-    {1, "www-3.bar.foo.com.", "*.bar.foo.com.", NULL},
-    {0, ".", ".", NULL},
-    {0, "example.com", "*.com.", NULL},
-    {0, "example.com.", "*.com", NULL},
-    {0, "example.com.", "*.com.", NULL},
-    {0, "foo.", "*.", NULL},
-    {0, "foo", "*.", NULL},
+    {1, "foo.com", "foo.com.", NULL, NULL},
+    {1, "foo.com.", "foo.com", NULL, NULL},
+    {1, "foo.com.", "foo.com.", NULL, NULL},
+    {1, "f", "f.", NULL, NULL},
+    {1, "f.", "f", NULL, NULL},
+    {1, "f.", "f.", NULL, NULL},
+    {1, "www-3.bar.foo.com", "*.bar.foo.com.", NULL, NULL},
+    {1, "www-3.bar.foo.com.", "*.bar.foo.com", NULL, NULL},
+    {1, "www-3.bar.foo.com.", "*.bar.foo.com.", NULL, NULL},
+    {0, ".", ".", NULL, NULL},
+    {0, "example.com", "*.com.", NULL, NULL},
+    {0, "example.com.", "*.com", NULL, NULL},
+    {0, "example.com.", "*.com.", NULL, NULL},
+    {0, "foo.", "*.", NULL, NULL},
+    {0, "foo", "*.", NULL, NULL},
     /*
        {0, "foo.co.uk", "*.co.uk.", NULL},
        {0, "foo.co.uk.", "*.co.uk.", NULL},
      */
 
     /* An empty CN is OK. */
-    {1, "test.foo.com", "", "test.foo.com"},
+    {1, "test.foo.com", "", "test.foo.com", NULL},
 
     /* An IP should not be used for the CN. */
-    {0, "173.194.195.139", "173.194.195.139", NULL},
+    {0, "173.194.195.139", "173.194.195.139", NULL, NULL},
+    /* An IP can be used if the SAN IP is present */
+    {1, "173.194.195.139", "foo.example.com", NULL, "173.194.195.139"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8,8.8.4.4"},
+    {1, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8,173.194.195.139"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "173.194.195.13"},
+    {0, "2001:db8:a0b:12f0::1", "foo.example.com", NULL, "173.194.195.13"},
+    {1, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::1"},
+    {0, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::2"},
+    {1, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::2,2001:db8:a0b:12f0::1,8.8.8.8"},
 };
 
 typedef struct name_list {
@@ -196,7 +212,7 @@ typedef struct {
   size_t name_count;
   char *buffer;
   name_list *names;
-} parsed_dns_names;
+} parsed_names;
 
 name_list *name_list_add(const char *n) {
   name_list *result = gpr_malloc(sizeof(name_list));
@@ -205,18 +221,18 @@ name_list *name_list_add(const char *n) {
   return result;
 }
 
-static parsed_dns_names parse_dns_names(const char *dns_names_str) {
-  parsed_dns_names result;
+static parsed_names parse_names(const char *names_str) {
+  parsed_names result;
   name_list *current_nl;
   size_t i;
-  memset(&result, 0, sizeof(parsed_dns_names));
-  if (dns_names_str == 0) return result;
+  memset(&result, 0, sizeof(parsed_names));
+  if (names_str == 0) return result;
   result.name_count = 1;
-  result.buffer = gpr_strdup(dns_names_str);
+  result.buffer = gpr_strdup(names_str);
   result.names = name_list_add(result.buffer);
   current_nl = result.names;
-  for (i = 0; i < strlen(dns_names_str); i++) {
-    if (dns_names_str[i] == ',') {
+  for (i = 0; i < strlen(names_str); i++) {
+    if (names_str[i] == ',') {
       result.buffer[i] = '\0';
       result.name_count++;
       i++;
@@ -227,7 +243,7 @@ static parsed_dns_names parse_dns_names(const char *dns_names_str) {
   return result;
 }
 
-static void destruct_parsed_dns_names(parsed_dns_names *pdn) {
+static void destruct_parsed_names(parsed_names *pdn) {
   name_list *nl = pdn->names;
   if (pdn->buffer != NULL) gpr_free(pdn->buffer);
   while (nl != NULL) {
@@ -237,8 +253,8 @@ static void destruct_parsed_dns_names(parsed_dns_names *pdn) {
   }
 }
 
-static char *processed_dns_name(const char *dns_name) {
-  char *result = gpr_strdup(dns_name);
+static char *processed_name(const char *name) {
+  char *result = gpr_strdup(name);
   size_t i;
   for (i = 0; i < strlen(result); i++) {
     if (result[i] == '#') {
@@ -253,31 +269,48 @@ static tsi_peer peer_from_cert_name_test_entry(
   size_t i;
   tsi_peer peer;
   name_list *nl;
-  parsed_dns_names dns_entries = parse_dns_names(entry->dns_names);
+  parsed_names dns_entries = parse_names(entry->dns_names);
+  parsed_names ip_entries = parse_names(entry->ip_names);
   nl = dns_entries.names;
-  GPR_ASSERT(tsi_construct_peer(1 + dns_entries.name_count, &peer) == TSI_OK);
+  GPR_ASSERT(tsi_construct_peer(
+                 1 + dns_entries.name_count + ip_entries.name_count, &peer) ==
+             TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, entry->common_name,
                  &peer.properties[0]) == TSI_OK);
   i = 1;
   while (nl != NULL) {
-    char *processed = processed_dns_name(nl->name);
+    char *processed = processed_name(nl->name);
     GPR_ASSERT(tsi_construct_string_peer_property(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, processed,
                    strlen(nl->name), &peer.properties[i++]) == TSI_OK);
     nl = nl->next;
     gpr_free(processed);
   }
-  destruct_parsed_dns_names(&dns_entries);
+
+  nl = ip_entries.names;
+  while (nl != NULL) {
+    char *processed = processed_name(nl->name);
+    GPR_ASSERT(tsi_construct_string_peer_property(
+                   TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, processed,
+                   strlen(nl->name), &peer.properties[i++]) == TSI_OK);
+    nl = nl->next;
+    gpr_free(processed);
+  }
+  destruct_parsed_names(&dns_entries);
+  destruct_parsed_names(&ip_entries);
   return peer;
 }
 
 char *cert_name_test_entry_to_string(const cert_name_test_entry *entry) {
   char *s;
-  gpr_asprintf(
-      &s, "{ success = %s, host_name = %s, common_name = %s, dns_names = %s}",
-      entry->expected ? "true" : "false", entry->host_name, entry->common_name,
-      entry->dns_names != NULL ? entry->dns_names : "");
+  gpr_asprintf(&s,
+               "{ success = %s, host_name = %s, common_name = %s, dns_names = "
+               "%s, ip_names = %s}",
+               entry->expected ? "true" : "false", entry->host_name,
+               entry->common_name,
+               entry->dns_names != NULL ? entry->dns_names : "",
+               entry->ip_names != NULL ? entry->ip_names : "");
   return s;
 }
 
diff --git a/test/core/util/memory_counters.c b/test/core/util/memory_counters.c
new file mode 100644
index 0000000000..bebe94e582
--- /dev/null
+++ b/test/core/util/memory_counters.c
@@ -0,0 +1,117 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/sync.h>
+
+#include "test/core/util/memory_counters.h"
+
+static gpr_mu g_memory_mutex;
+static struct grpc_memory_counters g_memory_counters;
+static gpr_allocation_functions g_old_allocs;
+
+static void *guard_malloc(size_t size);
+static void *guard_realloc(void *vptr, size_t size);
+static void guard_free(void *vptr);
+
+static void *guard_malloc(size_t size) {
+  size_t *ptr;
+  if (!size) return NULL;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_absolute += size;
+  g_memory_counters.total_size_relative += size;
+  g_memory_counters.total_allocs_absolute++;
+  g_memory_counters.total_allocs_relative++;
+  gpr_mu_unlock(&g_memory_mutex);
+  ptr = g_old_allocs.malloc_fn(size + sizeof(size));
+  *ptr++ = size;
+  return ptr;
+}
+
+static void *guard_realloc(void *vptr, size_t size) {
+  size_t *ptr = vptr;
+  if (vptr == NULL) {
+    return guard_malloc(size);
+  }
+  if (size == 0) {
+    guard_free(vptr);
+    return NULL;
+  }
+  --ptr;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_absolute += size;
+  g_memory_counters.total_size_relative -= *ptr;
+  g_memory_counters.total_size_relative += size;
+  g_memory_counters.total_allocs_absolute++;
+  gpr_mu_unlock(&g_memory_mutex);
+  ptr = g_old_allocs.realloc_fn(ptr, size + sizeof(size));
+  *ptr++ = size;
+  return ptr;
+}
+
+static void guard_free(void *vptr) {
+  size_t *ptr = vptr;
+  if (!vptr) return;
+  --ptr;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_relative -= *ptr;
+  g_memory_counters.total_allocs_relative--;
+  gpr_mu_unlock(&g_memory_mutex);
+  g_old_allocs.free_fn(ptr);
+}
+
+struct gpr_allocation_functions g_guard_allocs = {guard_malloc, guard_realloc,
+                                                  guard_free};
+
+void grpc_memory_counters_init() {
+  memset(&g_memory_counters, 0, sizeof(g_memory_counters));
+  gpr_mu_init(&g_memory_mutex);
+  g_old_allocs = gpr_get_allocation_functions();
+  gpr_set_allocation_functions(g_guard_allocs);
+}
+
+void grpc_memory_counters_destroy() {
+  gpr_set_allocation_functions(g_old_allocs);
+  gpr_mu_destroy(&g_memory_mutex);
+}
+
+struct grpc_memory_counters grpc_memory_counters_snapshot() {
+  struct grpc_memory_counters counters;
+  gpr_mu_lock(&g_memory_mutex);
+  counters = g_memory_counters;
+  gpr_mu_unlock(&g_memory_mutex);
+  return counters;
+}
diff --git a/src/core/client_config/lb_policies/round_robin.h b/test/core/util/memory_counters.h
index cf1f69c85f..f332816501 100644
--- a/src/core/client_config/lb_policies/round_robin.h
+++ b/test/core/util/memory_counters.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,18 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_ROUND_ROBIN_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_ROUND_ROBIN_H
+#ifndef GRPC_TEST_CORE_UTIL_MEMORY_COUNTERS_H
+#define GRPC_TEST_CORE_UTIL_MEMORY_COUNTERS_H
 
-#include "src/core/client_config/lb_policy.h"
+struct grpc_memory_counters {
+  size_t total_size_relative;
+  size_t total_size_absolute;
+  size_t total_allocs_relative;
+  size_t total_allocs_absolute;
+};
 
-extern int grpc_lb_round_robin_trace;
-
-#include "src/core/client_config/lb_policy_factory.h"
-
-/** Returns a load balancing factory for the round robin policy */
-grpc_lb_policy_factory *grpc_round_robin_lb_factory_create();
+void grpc_memory_counters_init();
+void grpc_memory_counters_destroy();
+struct grpc_memory_counters grpc_memory_counters_snapshot();
 
 #endif
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
new file mode 100644
index 0000000000..7768413095
--- /dev/null
+++ b/test/core/util/mock_endpoint.c
@@ -0,0 +1,124 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/mock_endpoint.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+typedef struct grpc_mock_endpoint {
+  grpc_endpoint base;
+  gpr_mu mu;
+  void (*on_write)(gpr_slice slice);
+  gpr_slice_buffer read_buffer;
+  gpr_slice_buffer *on_read_out;
+  grpc_closure *on_read;
+} grpc_mock_endpoint;
+
+static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                    gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->read_buffer.count > 0) {
+    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+  } else {
+    m->on_read = cb;
+    m->on_read_out = slices;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                     gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  for (size_t i = 0; i < slices->count; i++) {
+    m->on_write(slices->slices[i]);
+  }
+  grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+}
+
+static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                              grpc_pollset *pollset) {}
+
+static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                  grpc_pollset_set *pollset) {}
+
+static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_slice_buffer_destroy(&m->read_buffer);
+  gpr_free(m);
+}
+
+static char *me_get_peer(grpc_endpoint *ep) {
+  return gpr_strdup("fake:mock_endpoint");
+}
+
+static const grpc_endpoint_vtable vtable = {
+    me_read,     me_write,   me_add_to_pollset, me_add_to_pollset_set,
+    me_shutdown, me_destroy, me_get_peer,
+};
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice)) {
+  grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
+  m->base.vtable = &vtable;
+  gpr_slice_buffer_init(&m->read_buffer);
+  gpr_mu_init(&m->mu);
+  m->on_write = on_write;
+  m->on_read = NULL;
+  return &m->base;
+}
+
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                 gpr_slice slice) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read != NULL) {
+    gpr_slice_buffer_add(m->on_read_out, slice);
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, true, NULL);
+    m->on_read = NULL;
+  } else {
+    gpr_slice_buffer_add(&m->read_buffer, slice);
+  }
+  gpr_mu_unlock(&m->mu);
+}
diff --git a/test/core/util/mock_endpoint.h b/test/core/util/mock_endpoint.h
new file mode 100644
index 0000000000..051af9866b
--- /dev/null
+++ b/test/core/util/mock_endpoint.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef MOCK_ENDPOINT_H
+#define MOCK_ENDPOINT_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice));
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx,
+                                 grpc_endpoint *mock_endpoint, gpr_slice slice);
+
+#endif
diff --git a/test/core/util/one_corpus_entry_fuzzer.c b/test/core/util/one_corpus_entry_fuzzer.c
new file mode 100644
index 0000000000..41f9558211
--- /dev/null
+++ b/test/core/util/one_corpus_entry_fuzzer.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+#include "src/core/lib/support/load_file.h"
+
+extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+
+int main(int argc, char **argv) {
+  int ok = 0;
+  gpr_slice buffer = gpr_load_file(argv[1], 0, &ok);
+  GPR_ASSERT(ok);
+  LLVMFuzzerTestOneInput(GPR_SLICE_START_PTR(buffer), GPR_SLICE_LENGTH(buffer));
+  gpr_slice_unref(buffer);
+  return 0;
+}
diff --git a/test/core/util/port_posix.c b/test/core/util/port_posix.c
index 4b31f810e5..eabd62fafc 100644
--- a/test/core/util/port_posix.c
+++ b/test/core/util/port_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,6 @@
 #include "test/core/util/port.h"
 
 #include <errno.h>
-#include <math.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #include <string.h>
@@ -50,8 +49,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/support/env.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -68,72 +68,12 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-typedef struct freereq {
-  grpc_pollset pollset;
-  int done;
-} freereq;
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  grpc_shutdown();
-}
-
-static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                   const grpc_httpcli_response *response) {
-  freereq *pr = arg;
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->done = 1;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static void free_port_using_server(char *server, int port) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  freereq pr;
-  char *path;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-
-  req.host = server;
-  gpr_asprintf(&path, "/drop/%d", port);
-  req.path = path;
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
-                   &pr);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (!pr.done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_free(path);
-}
-
-static void free_chosen_ports() {
+static void free_chosen_ports(void) {
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env != NULL) {
     size_t i;
     for (i = 0; i < num_chosen_ports; i++) {
-      free_port_using_server(env, chosen_ports[i]);
+      grpc_free_port_using_server(env, chosen_ports[i]);
     }
     gpr_free(env);
   }
@@ -201,99 +141,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  grpc_pollset pollset;
-  int port;
-  int retries;
-  char *server;
-  grpc_httpcli_context *ctx;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  int failed = 0;
-
-  if (!response) {
-    failed = 1;
-    gpr_log(GPR_DEBUG,
-            "failed port pick from server: retrying [response=NULL]");
-  } else if (response->status != 200) {
-    failed = 1;
-    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
-            response->status);
-  }
-
-  if (failed) {
-    grpc_httpcli_request req;
-    memset(&req, 0, sizeof(req));
-    GPR_ASSERT(pr->retries < 10);
-    sleep(1 + (unsigned)(pow(1.3, pr->retries) * rand() / RAND_MAX));
-    pr->retries++;
-    req.host = pr->server;
-    req.path = "/get";
-    grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pollset, &req,
-                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                     pr);
-    return;
-  }
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->port = port;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-  pr.port = -1;
-  pr.server = server;
-  pr.ctx = &context;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (pr.port == -1) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -313,7 +160,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       chose_port(port);
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
new file mode 100644
index 0000000000..84e90547aa
--- /dev/null
+++ b/test/core/util/port_server_client.c
@@ -0,0 +1,215 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+#include "test/core/util/test_config.h"
+
+#ifdef GRPC_TEST_PICK_PORT
+#include "test/core/util/port_server_client.h"
+
+#include <math.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/time.h>
+
+#include "src/core/lib/http/httpcli.h"
+
+typedef struct freereq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int done;
+} freereq;
+
+static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
+                                         bool success) {
+  grpc_pollset_destroy(p);
+  gpr_free(p);
+  grpc_shutdown();
+}
+
+static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                   const grpc_httpcli_response *response) {
+  freereq *pr = arg;
+  gpr_mu_lock(pr->mu);
+  pr->done = 1;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+void grpc_free_port_using_server(char *server, int port) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  freereq pr;
+  char *path;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+
+  req.host = server;
+  gpr_asprintf(&path, "/drop/%d", port);
+  req.http.path = path;
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
+                   &pr);
+  gpr_mu_lock(pr.mu);
+  while (!pr.done) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(path);
+}
+
+typedef struct portreq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int port;
+  int retries;
+  char *server;
+  grpc_httpcli_context *ctx;
+} portreq;
+
+static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                 const grpc_httpcli_response *response) {
+  size_t i;
+  int port = 0;
+  portreq *pr = arg;
+  int failed = 0;
+
+  if (!response) {
+    failed = 1;
+    gpr_log(GPR_DEBUG,
+            "failed port pick from server: retrying [response=NULL]");
+  } else if (response->status != 200) {
+    failed = 1;
+    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
+            response->status);
+  }
+
+  if (failed) {
+    grpc_httpcli_request req;
+    memset(&req, 0, sizeof(req));
+    GPR_ASSERT(pr->retries < 10);
+    gpr_sleep_until(gpr_time_add(
+        gpr_now(GPR_CLOCK_REALTIME),
+        gpr_time_from_millis(
+            (int64_t)(1000.0 * (1 + pow(1.3, pr->retries) * rand() / RAND_MAX)),
+            GPR_TIMESPAN)));
+    pr->retries++;
+    req.host = pr->server;
+    req.http.path = "/get";
+    grpc_httpcli_get(exec_ctx, pr->ctx, pr->pollset, &req,
+                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                     pr);
+    return;
+  }
+  GPR_ASSERT(response);
+  GPR_ASSERT(response->status == 200);
+  for (i = 0; i < response->body_length; i++) {
+    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
+    port = port * 10 + response->body[i] - '0';
+  }
+  GPR_ASSERT(port > 1024);
+  gpr_mu_lock(pr->mu);
+  pr->port = port;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+int grpc_pick_port_using_server(char *server) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  portreq pr;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+  pr.port = -1;
+  pr.server = server;
+  pr.ctx = &context;
+
+  req.host = server;
+  req.http.path = "/get";
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                   &pr);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_mu_lock(pr.mu);
+  while (pr.port == -1) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  return pr.port;
+}
+
+#endif  // GRPC_TEST_PICK_PORT
diff --git a/test/core/util/port_server_client.h b/test/core/util/port_server_client.h
new file mode 100644
index 0000000000..437006495c
--- /dev/null
+++ b/test/core/util/port_server_client.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+#define GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+
+// C interface to port_server.py
+
+int grpc_pick_port_using_server(char *server);
+void grpc_free_port_using_server(char *server, int port);
+
+#endif  // GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
diff --git a/test/core/util/port_windows.c b/test/core/util/port_windows.c
index 85d7c0ce07..2b6d3dd223 100644
--- a/test/core/util/port_windows.c
+++ b/test/core/util/port_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,18 +37,19 @@
 
 #include "test/core/util/port.h"
 
+#include <errno.h>
 #include <process.h>
 #include <stdio.h>
-#include <errno.h>
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -65,7 +66,18 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-static void free_chosen_ports(void) { gpr_free(chosen_ports); }
+static void free_chosen_ports(void) {
+  char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
+  if (env != NULL) {
+    size_t i;
+    for (i = 0; i < num_chosen_ports; i++) {
+      grpc_free_port_using_server(env, chosen_ports[i]);
+    }
+    gpr_free(env);
+  }
+
+  gpr_free(chosen_ports);
+}
 
 static void chose_port(int port) {
   if (chosen_ports == NULL) {
@@ -128,77 +140,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  grpc_pollset pollset;
-  int port;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->port = port;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  grpc_shutdown();
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure destroy_pollset_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  pr.port = -1;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (pr.port == -1) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_closure_init(&destroy_pollset_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &destroy_pollset_closure);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -218,7 +159,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       return port;
diff --git a/test/core/util/reconnect_server.c b/test/core/util/reconnect_server.c
index 57225aa8a3..d408374a09 100644
--- a/test/core/util/reconnect_server.c
+++ b/test/core/util/reconnect_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_tcp_server.h"
 
@@ -60,8 +60,12 @@ static void pretty_print_backoffs(reconnect_server *server) {
             i, backoff / 1000.0, expected_backoff / 1000.0,
             (backoff - expected_backoff) * 100.0 / expected_backoff);
     expected_backoff *= 1.6;
-    if (expected_backoff > 120 * 1000) {
-      expected_backoff = 120 * 1000;
+    int max_reconnect_backoff_ms = 120 * 1000;
+    if (server->max_reconnect_backoff_ms > 0) {
+      max_reconnect_backoff_ms = server->max_reconnect_backoff_ms;
+    }
+    if (expected_backoff > max_reconnect_backoff_ms) {
+      expected_backoff = max_reconnect_backoff_ms;
     }
   }
 }
@@ -108,6 +112,7 @@ void reconnect_server_init(reconnect_server *server) {
   server->head = NULL;
   server->tail = NULL;
   server->peer = NULL;
+  server->max_reconnect_backoff_ms = 0;
 }
 
 void reconnect_server_start(reconnect_server *server, int port) {
diff --git a/test/core/util/reconnect_server.h b/test/core/util/reconnect_server.h
index e2e6a02461..ed02d49512 100644
--- a/test/core/util/reconnect_server.h
+++ b/test/core/util/reconnect_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@ typedef struct reconnect_server {
   timestamp_list *head;
   timestamp_list *tail;
   char *peer;
+  int max_reconnect_backoff_ms;
 } reconnect_server;
 
 void reconnect_server_init(reconnect_server *server);
diff --git a/test/core/util/test_config.c b/test/core/util/test_config.c
index 14bfc957cb..3155a4ece6 100644
--- a/test/core/util/test_config.c
+++ b/test/core/util/test_config.c
@@ -33,11 +33,13 @@
 
 #include "test/core/util/test_config.h"
 
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
-#include "src/core/support/string.h"
-#include <stdlib.h>
+#include <grpc/support/port_platform.h>
 #include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "src/core/lib/support/string.h"
 
 double g_fixture_slowdown_factor = 1.0;
 
@@ -52,14 +54,127 @@ static unsigned seed(void) { return _getpid(); }
 #endif
 
 #if GPR_WINDOWS_CRASH_HANDLER
-LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
-  gpr_log(GPR_DEBUG, "Exception handler called, dumping information");
-  while (ex_info->ExceptionRecord) {
-    DWORD code = ex_info->ExceptionRecord->ExceptionCode;
-    DWORD flgs = ex_info->ExceptionRecord->ExceptionFlags;
-    PVOID addr = ex_info->ExceptionRecord->ExceptionAddress;
-    gpr_log("code: %x - flags: %d - address: %p", code, flgs, addr);
-    ex_info->ExceptionRecord = ex_info->ExceptionRecord->ExceptionRecord;
+#include <windows.h>
+
+#include <tchar.h>
+
+// disable warning 4091 - dbghelp.h is broken for msvc2015
+#pragma warning(disable : 4091)
+#define DBGHELP_TRANSLATE_TCHAR
+#include <dbghelp.h>
+
+#ifdef _MSC_VER
+#pragma comment(lib, "dbghelp.lib")
+#endif
+
+static void print_current_stack() {
+  typedef USHORT(WINAPI * CaptureStackBackTraceType)(
+      __in ULONG, __in ULONG, __out PVOID *, __out_opt PULONG);
+  CaptureStackBackTraceType func = (CaptureStackBackTraceType)(GetProcAddress(
+      LoadLibrary(_T("kernel32.dll")), "RtlCaptureStackBackTrace"));
+
+  if (func == NULL) return;  // WOE 29.SEP.2010
+
+// Quote from Microsoft Documentation:
+// ## Windows Server 2003 and Windows XP:
+// ## The sum of the FramesToSkip and FramesToCapture parameters must be less
+// than 63.
+#define MAX_CALLERS 62
+
+  void *callers_stack[MAX_CALLERS];
+  unsigned short frames;
+  SYMBOL_INFOW *symbol;
+  HANDLE process;
+  process = GetCurrentProcess();
+  SymInitialize(process, NULL, TRUE);
+  frames = (func)(0, MAX_CALLERS, callers_stack, NULL);
+  symbol =
+      (SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
+  symbol->MaxNameLen = 255;
+  symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
+
+  const unsigned short MAX_CALLERS_SHOWN = 32;
+  frames = frames < MAX_CALLERS_SHOWN ? frames : MAX_CALLERS_SHOWN;
+  for (unsigned int i = 0; i < frames; i++) {
+    SymFromAddrW(process, (DWORD64)(callers_stack[i]), 0, symbol);
+    fwprintf(stderr, L"*** %d: %016I64X %ls - %016I64X\n", i,
+             (DWORD64)callers_stack[i], symbol->Name, (DWORD64)symbol->Address);
+    fflush(stderr);
+  }
+
+  free(symbol);
+}
+
+static void print_stack_from_context(CONTEXT c) {
+  STACKFRAME s;  // in/out stackframe
+  memset(&s, 0, sizeof(s));
+  DWORD imageType;
+#ifdef _M_IX86
+  // normally, call ImageNtHeader() and use machine info from PE header
+  imageType = IMAGE_FILE_MACHINE_I386;
+  s.AddrPC.Offset = c.Eip;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.Ebp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.Esp;
+  s.AddrStack.Mode = AddrModeFlat;
+#elif _M_X64
+  imageType = IMAGE_FILE_MACHINE_AMD64;
+  s.AddrPC.Offset = c.Rip;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.Rsp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.Rsp;
+  s.AddrStack.Mode = AddrModeFlat;
+#elif _M_IA64
+  imageType = IMAGE_FILE_MACHINE_IA64;
+  s.AddrPC.Offset = c.StIIP;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.IntSp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrBStore.Offset = c.RsBSP;
+  s.AddrBStore.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.IntSp;
+  s.AddrStack.Mode = AddrModeFlat;
+#else
+#error "Platform not supported!"
+#endif
+
+  HANDLE process = GetCurrentProcess();
+  HANDLE thread = GetCurrentThread();
+
+  SYMBOL_INFOW *symbol =
+      (SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
+  symbol->MaxNameLen = 255;
+  symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
+
+  while (StackWalk(imageType, process, thread, &s, &c, 0,
+                   SymFunctionTableAccess, SymGetModuleBase, 0)) {
+    BOOL has_symbol =
+        SymFromAddrW(process, (DWORD64)(s.AddrPC.Offset), 0, symbol);
+    fwprintf(
+        stderr, L"*** %016I64X %ls - %016I64X\n", (DWORD64)(s.AddrPC.Offset),
+        has_symbol ? symbol->Name : L"<<no symbol>>", (DWORD64)symbol->Address);
+    fflush(stderr);
+  }
+
+  free(symbol);
+}
+
+static LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
+  fprintf(stderr, "Exception handler called, dumping information\n");
+  bool try_to_print_stack = true;
+  PEXCEPTION_RECORD exrec = ex_info->ExceptionRecord;
+  while (exrec) {
+    DWORD code = exrec->ExceptionCode;
+    DWORD flgs = exrec->ExceptionFlags;
+    PVOID addr = exrec->ExceptionAddress;
+    if (code == EXCEPTION_STACK_OVERFLOW) try_to_print_stack = false;
+    fprintf(stderr, "code: %x - flags: %d - address: %p\n", code, flgs, addr);
+    exrec = exrec->ExceptionRecord;
+  }
+  if (try_to_print_stack) {
+    print_stack_from_context(*ex_info->ContextRecord);
   }
   if (IsDebuggerPresent()) {
     __debugbreak();
@@ -69,8 +184,9 @@ LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
   return EXCEPTION_EXECUTE_HANDLER;
 }
 
-void abort_handler(int sig) {
-  gpr_log(GPR_DEBUG, "Abort handler called.");
+static void abort_handler(int sig) {
+  fprintf(stderr, "Abort handler called.\n");
+  print_current_stack(NULL);
   if (IsDebuggerPresent()) {
     __debugbreak();
   } else {
@@ -79,17 +195,20 @@ void abort_handler(int sig) {
 }
 
 static void install_crash_handler() {
+  if (!SymInitialize(GetCurrentProcess(), NULL, TRUE)) {
+    fprintf(stderr, "SymInitialize failed: %d\n", GetLastError());
+  }
   SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)crash_handler);
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
   _set_abort_behavior(0, _CALL_REPORTFAULT);
   signal(SIGABRT, abort_handler);
 }
 #elif GPR_POSIX_CRASH_HANDLER
+#include <errno.h>
 #include <execinfo.h>
+#include <grpc/support/useful.h>
 #include <stdio.h>
 #include <string.h>
-#include <grpc/support/useful.h>
-#include <errno.h>
 
 static char g_alt_stack[MINSIGSTKSZ];
 
diff --git a/test/core/util/test_config.h b/test/core/util/test_config.h
index f6bb2e1f72..76686f1c51 100644
--- a/test/core/util/test_config.h
+++ b/test/core/util/test_config.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index 66470c0288..e39a95712c 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 
 static void on_server_destroyed(grpc_exec_ctx *exec_ctx, void *data,
@@ -57,8 +57,8 @@ void test_tcp_server_init(test_tcp_server *server,
   server->tcp_server = NULL;
   grpc_closure_init(&server->shutdown_complete, on_server_destroyed, server);
   server->shutdown = 0;
-  grpc_pollset_init(&server->pollset);
-  server->pollsets[0] = &server->pollset;
+  server->pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(server->pollset, &server->mu);
   server->on_connect = on_connect;
   server->cb_data = user_data;
 }
@@ -77,7 +77,7 @@ void test_tcp_server_start(test_tcp_server *server, int port) {
       grpc_tcp_server_add_port(server->tcp_server, &addr, sizeof(addr));
   GPR_ASSERT(port_added == port);
 
-  grpc_tcp_server_start(&exec_ctx, server->tcp_server, server->pollsets, 1,
+  grpc_tcp_server_start(&exec_ctx, server->tcp_server, &server->pollset, 1,
                         server->on_connect, server->cb_data);
   gpr_log(GPR_INFO, "test tcp server listening on 0.0.0.0:%d", port);
 
@@ -85,15 +85,15 @@ void test_tcp_server_start(test_tcp_server *server, int port) {
 }
 
 void test_tcp_server_poll(test_tcp_server *server, int seconds) {
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   gpr_timespec deadline =
       gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                    gpr_time_from_seconds(seconds, GPR_TIMESPAN));
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  gpr_mu_lock(GRPC_POLLSET_MU(&server->pollset));
-  grpc_pollset_work(&exec_ctx, &server->pollset, &worker,
+  gpr_mu_lock(server->mu);
+  grpc_pollset_work(&exec_ctx, server->pollset, &worker,
                     gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&server->pollset));
+  gpr_mu_unlock(server->mu);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
@@ -111,8 +111,9 @@ void test_tcp_server_destroy(test_tcp_server *server) {
          gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
     test_tcp_server_poll(server, 1);
   }
-  grpc_pollset_shutdown(&exec_ctx, &server->pollset, &do_nothing_cb);
+  grpc_pollset_shutdown(&exec_ctx, server->pollset, &do_nothing_cb);
   grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_destroy(&server->pollset);
+  grpc_pollset_destroy(server->pollset);
+  gpr_free(server->pollset);
   grpc_shutdown();
 }
diff --git a/test/core/util/test_tcp_server.h b/test/core/util/test_tcp_server.h
index 51119cf6c8..d10b166586 100644
--- a/test/core/util/test_tcp_server.h
+++ b/test/core/util/test_tcp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,14 +35,14 @@
 #define GRPC_TEST_CORE_UTIL_TEST_TCP_SERVER_H
 
 #include <grpc/support/sync.h>
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 typedef struct test_tcp_server {
   grpc_tcp_server *tcp_server;
   grpc_closure shutdown_complete;
   int shutdown;
-  grpc_pollset pollset;
-  grpc_pollset *pollsets[1];
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   grpc_tcp_server_cb on_connect;
   void *cb_data;
 } test_tcp_server;
diff --git a/src/cpp/common/alarm.cc b/test/cpp/codegen/codegen_test_full.cc
index a289688768..4500540baf 100644
--- a/src/cpp/common/alarm.cc
+++ b/test/cpp/codegen/codegen_test_full.cc
@@ -1,5 +1,6 @@
 /*
- * Copyright 2015-2016, Google Inc.
+ *
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,22 +31,26 @@
  *
  */
 
-#include <grpc++/alarm.h>
 #include <grpc++/completion_queue.h>
-#include <grpc++/impl/grpc_library.h>
-#include <grpc/grpc.h>
+#include <gtest/gtest.h>
 
 namespace grpc {
+namespace {
 
-static internal::GrpcLibraryInitializer g_gli_initializer;
-Alarm::Alarm(CompletionQueue* cq, gpr_timespec deadline, void* tag)
-    : tag_(tag),
-      alarm_(grpc_alarm_create(cq->cq(), deadline, static_cast<void*>(&tag_))) {
-  g_gli_initializer.summon();
-}
-
-Alarm::~Alarm() { grpc_alarm_destroy(alarm_); }
+class CodegenTestFull : public ::testing::Test {};
 
-void Alarm::Cancel() { grpc_alarm_cancel(alarm_); }
+TEST_F(CodegenTestFull, Init) {
+  grpc::CompletionQueue cq;
+  void* tag;
+  bool ok;
+  cq.AsyncNext(&tag, &ok, gpr_time_0(GPR_CLOCK_REALTIME));
+  ASSERT_FALSE(ok);
+}
 
+}  // namespace
 }  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/codegen/codegen_test_minimal.cc b/test/cpp/codegen/codegen_test_minimal.cc
new file mode 100644
index 0000000000..d660a6ce4d
--- /dev/null
+++ b/test/cpp/codegen/codegen_test_minimal.cc
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace {
+
+class CodegenTestMinimal : public ::testing::Test {};
+
+TEST_F(CodegenTestMinimal, Build) {}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/common/alarm_cpp_test.cc b/test/cpp/common/alarm_cpp_test.cc
index 4745ef14ec..a05ac30b1c 100644
--- a/test/cpp/common/alarm_cpp_test.cc
+++ b/test/cpp/common/alarm_cpp_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,6 +55,53 @@ TEST(AlarmTest, RegularExpiry) {
   EXPECT_EQ(junk, output_tag);
 }
 
+TEST(AlarmTest, RegularExpiryChrono) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  std::chrono::system_clock::time_point one_sec_deadline =
+      std::chrono::system_clock::now() + std::chrono::seconds(1);
+  Alarm alarm(&cq, one_sec_deadline, junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, ZeroExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm(&cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(0), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(0));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, NegativeExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm(&cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(-1), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(0));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
 TEST(AlarmTest, Cancellation) {
   CompletionQueue cq;
   void* junk = reinterpret_cast<void*>(1618033);
diff --git a/test/cpp/common/auth_property_iterator_test.cc b/test/cpp/common/auth_property_iterator_test.cc
index a629ff5a90..0e43d4e1e0 100644
--- a/test/cpp/common/auth_property_iterator_test.cc
+++ b/test/cpp/common/auth_property_iterator_test.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <grpc/grpc_security.h>
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc_security.h>
 #include <gtest/gtest.h>
 #include "src/cpp/common/secure_auth_context.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 extern "C" {
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/security_context.h"
 }
 
 using ::grpc::testing::ToString;
diff --git a/test/cpp/common/channel_arguments_test.cc b/test/cpp/common/channel_arguments_test.cc
index a4821b4d0b..1443eb2f68 100644
--- a/test/cpp/common/channel_arguments_test.cc
+++ b/test/cpp/common/channel_arguments_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/common/secure_auth_context_test.cc b/test/cpp/common/secure_auth_context_test.cc
index 11de646999..067361334d 100644
--- a/test/cpp/common/secure_auth_context_test.cc
+++ b/test/cpp/common/secure_auth_context_test.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <grpc/grpc_security.h>
+#include "src/cpp/common/secure_auth_context.h"
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc_security.h>
 #include <gtest/gtest.h>
-#include "src/cpp/common/secure_auth_context.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 extern "C" {
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/security_context.h"
 }
 
 using grpc::testing::ToString;
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index a194c615cd..7e4d6046d6 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,6 +43,7 @@
 #include <grpc/grpc.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <grpc/support/tls.h>
 #include <gtest/gtest.h>
 
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
@@ -52,24 +53,29 @@
 #include "test/cpp/util/string_ref_helper.h"
 
 #ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 #endif
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
 using std::chrono::system_clock;
 
+GPR_TLS_DECL(g_is_async_end2end_test);
+
 namespace grpc {
 namespace testing {
 
 namespace {
 
 void* tag(int i) { return (void*)(intptr_t)i; }
+int detag(void* p) { return static_cast<int>(reinterpret_cast<intptr_t>(p)); }
 
 #ifdef GPR_POSIX_SOCKET
-static int assert_non_blocking_poll(struct pollfd* pfds, nfds_t nfds,
-                                    int timeout) {
-  GPR_ASSERT(timeout == 0);
+static int maybe_assert_non_blocking_poll(struct pollfd* pfds, nfds_t nfds,
+                                          int timeout) {
+  if (gpr_tls_get(&g_is_async_end2end_test)) {
+    GPR_ASSERT(timeout == 0);
+  }
   return poll(pfds, nfds, timeout);
 }
 
@@ -86,52 +92,65 @@ class PollOverride {
   grpc_poll_function_type prev_;
 };
 
-class PollingCheckRegion : public PollOverride {
+class PollingOverrider : public PollOverride {
  public:
-  explicit PollingCheckRegion(bool allow_blocking)
-      : PollOverride(allow_blocking ? poll : assert_non_blocking_poll) {}
+  explicit PollingOverrider(bool allow_blocking)
+      : PollOverride(allow_blocking ? poll : maybe_assert_non_blocking_poll) {}
 };
 #else
-class PollingCheckRegion {
+class PollingOverrider {
  public:
-  explicit PollingCheckRegion(bool allow_blocking) {}
+  explicit PollingOverrider(bool allow_blocking) {}
 };
 #endif
 
-class Verifier : public PollingCheckRegion {
+class Verifier {
  public:
-  explicit Verifier(bool spin) : PollingCheckRegion(!spin), spin_(spin) {}
+  explicit Verifier(bool spin) : spin_(spin) {}
+  // Expect sets the expected ok value for a specific tag
   Verifier& Expect(int i, bool expect_ok) {
     expectations_[tag(i)] = expect_ok;
     return *this;
   }
 
+  // Next waits for 1 async tag to complete, checks its
+  // expectations, and returns the tag
+  int Next(CompletionQueue* cq, bool ignore_ok) {
+    bool ok;
+    void* got_tag;
+    if (spin_) {
+      for (;;) {
+        auto r = cq->AsyncNext(&got_tag, &ok, gpr_time_0(GPR_CLOCK_REALTIME));
+        if (r == CompletionQueue::TIMEOUT) continue;
+        if (r == CompletionQueue::GOT_EVENT) break;
+        gpr_log(GPR_ERROR, "unexpected result from AsyncNext");
+        abort();
+      }
+    } else {
+      EXPECT_TRUE(cq->Next(&got_tag, &ok));
+    }
+    auto it = expectations_.find(got_tag);
+    EXPECT_TRUE(it != expectations_.end());
+    if (!ignore_ok) {
+      EXPECT_EQ(it->second, ok);
+    }
+    expectations_.erase(it);
+    return detag(got_tag);
+  }
+
+  // Verify keeps calling Next until all currently set
+  // expected tags are complete
   void Verify(CompletionQueue* cq) { Verify(cq, false); }
 
+  // This version of Verify allows optionally ignoring the
+  // outcome of the expectation
   void Verify(CompletionQueue* cq, bool ignore_ok) {
     GPR_ASSERT(!expectations_.empty());
     while (!expectations_.empty()) {
-      bool ok;
-      void* got_tag;
-      if (spin_) {
-        for (;;) {
-          auto r = cq->AsyncNext(&got_tag, &ok, gpr_time_0(GPR_CLOCK_REALTIME));
-          if (r == CompletionQueue::TIMEOUT) continue;
-          if (r == CompletionQueue::GOT_EVENT) break;
-          gpr_log(GPR_ERROR, "unexpected result from AsyncNext");
-          abort();
-        }
-      } else {
-        EXPECT_TRUE(cq->Next(&got_tag, &ok));
-      }
-      auto it = expectations_.find(got_tag);
-      EXPECT_TRUE(it != expectations_.end());
-      if (!ignore_ok) {
-        EXPECT_EQ(it->second, ok);
-      }
-      expectations_.erase(it);
+      Next(cq, ignore_ok);
     }
   }
+  // This version of Verify stops after a certain deadline
   void Verify(CompletionQueue* cq,
               std::chrono::system_clock::time_point deadline) {
     if (expectations_.empty()) {
@@ -183,6 +202,8 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
   AsyncEnd2endTest() {}
 
   void SetUp() GRPC_OVERRIDE {
+    poll_overrider_.reset(new PollingOverrider(!GetParam()));
+
     int port = grpc_pick_unused_port_or_die();
     server_address_ << "localhost:" << port;
 
@@ -193,6 +214,8 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
     builder.RegisterService(&service_);
     cq_ = builder.AddCompletionQueue();
     server_ = builder.BuildAndStart();
+
+    gpr_tls_set(&g_is_async_end2end_test, 1);
   }
 
   void TearDown() GRPC_OVERRIDE {
@@ -202,6 +225,8 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
     cq_->Shutdown();
     while (cq_->Next(&ignored_tag, &ignored_ok))
       ;
+    poll_overrider_.reset();
+    gpr_tls_set(&g_is_async_end2end_test, 0);
   }
 
   void ResetStub() {
@@ -249,6 +274,8 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
   std::unique_ptr<Server> server_;
   grpc::testing::EchoTestService::AsyncService service_;
   std::ostringstream server_address_;
+
+  std::unique_ptr<PollingOverrider> poll_overrider_;
 };
 
 TEST_P(AsyncEnd2endTest, SimpleRpc) {
@@ -780,7 +807,8 @@ TEST_P(AsyncEnd2endTest, UnimplementedRpc) {
 }
 
 // This class is for testing scenarios where RPCs are cancelled on the server
-// by calling ServerContext::TryCancel()
+// by calling ServerContext::TryCancel(). Server uses AsyncNotifyWhenDone
+// API to check for cancellation
 class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
  protected:
   typedef enum {
@@ -790,13 +818,6 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     CANCEL_AFTER_PROCESSING
   } ServerTryCancelRequestPhase;
 
-  void ServerTryCancel(ServerContext* context) {
-    EXPECT_FALSE(context->IsCancelled());
-    context->TryCancel();
-    gpr_log(GPR_INFO, "Server called TryCancel()");
-    EXPECT_TRUE(context->IsCancelled());
-  }
-
   // Helper for testing client-streaming RPCs which are cancelled on the server.
   // Depending on the value of server_try_cancel parameter, this will test one
   // of the following three scenarios:
@@ -830,6 +851,7 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     // On the server, request to be notified of 'RequestStream' calls
     // and receive the 'RequestStream' call just made by the client
+    srv_ctx.AsyncNotifyWhenDone(tag(11));
     service_.RequestRequestStream(&srv_ctx, &srv_stream, cq_.get(), cq_.get(),
                                   tag(2));
     Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
@@ -845,9 +867,12 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     bool expected_server_cq_result = true;
     bool ignore_cq_result = false;
+    bool want_done_tag = false;
 
     if (server_try_cancel == CANCEL_BEFORE_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      Verifier(GetParam()).Expect(11, true).Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
 
       // Since cancellation is done before server reads any results, we know
       // for sure that all cq results will return false from this point forward
@@ -855,22 +880,39 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     std::thread* server_try_cancel_thd = NULL;
+
+    auto verif = Verifier(GetParam());
+
     if (server_try_cancel == CANCEL_DURING_PROCESSING) {
-      server_try_cancel_thd = new std::thread(
-          &AsyncEnd2endServerTryCancelTest::ServerTryCancel, this, &srv_ctx);
+      server_try_cancel_thd =
+          new std::thread(&ServerContext::TryCancel, &srv_ctx);
       // Server will cancel the RPC in a parallel thread while reading the
       // requests from the client. Since the cancellation can happen at anytime,
       // some of the cq results (i.e those until cancellation) might be true but
       // its non deterministic. So better to ignore the cq results
       ignore_cq_result = true;
+      // Expect that we might possibly see the done tag that
+      // indicates cancellation completion in this case
+      want_done_tag = true;
+      verif.Expect(11, true);
     }
 
     // Server reads 3 messages (tags 6, 7 and 8)
+    // But if want_done_tag is true, we might also see tag 11
     for (int tag_idx = 6; tag_idx <= 8; tag_idx++) {
       srv_stream.Read(&recv_request, tag(tag_idx));
-      Verifier(GetParam())
-          .Expect(tag_idx, expected_server_cq_result)
-          .Verify(cq_.get(), ignore_cq_result);
+      // Note that we'll add something to the verifier and verify that
+      // something was seen, but it might be tag 11 and not what we
+      // just added
+      int got_tag = verif.Expect(tag_idx, expected_server_cq_result)
+                        .Next(cq_.get(), ignore_cq_result);
+      GPR_ASSERT((got_tag == tag_idx) || (got_tag == 11 && want_done_tag));
+      if (got_tag == 11) {
+        EXPECT_TRUE(srv_ctx.IsCancelled());
+        want_done_tag = false;
+        // Now get the other entry that we were waiting on
+        EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), tag_idx);
+      }
     }
 
     if (server_try_cancel_thd != NULL) {
@@ -879,7 +921,15 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     if (server_try_cancel == CANCEL_AFTER_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      want_done_tag = true;
+      verif.Expect(11, true);
+    }
+
+    if (want_done_tag) {
+      verif.Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
     }
 
     // The RPC has been cancelled at this point for sure (i.e irrespective of
@@ -932,6 +982,7 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     Verifier(GetParam()).Expect(1, true).Verify(cq_.get());
     // On the server, request to be notified of 'ResponseStream' calls and
     // receive the call just made by the client
+    srv_ctx.AsyncNotifyWhenDone(tag(11));
     service_.RequestResponseStream(&srv_ctx, &recv_request, &srv_stream,
                                    cq_.get(), cq_.get(), tag(2));
     Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
@@ -939,9 +990,12 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     bool expected_cq_result = true;
     bool ignore_cq_result = false;
+    bool want_done_tag = false;
 
     if (server_try_cancel == CANCEL_BEFORE_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      Verifier(GetParam()).Expect(11, true).Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
 
       // We know for sure that all cq results will be false from this point
       // since the server cancelled the RPC
@@ -949,24 +1003,41 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     std::thread* server_try_cancel_thd = NULL;
+
+    auto verif = Verifier(GetParam());
+
     if (server_try_cancel == CANCEL_DURING_PROCESSING) {
-      server_try_cancel_thd = new std::thread(
-          &AsyncEnd2endServerTryCancelTest::ServerTryCancel, this, &srv_ctx);
+      server_try_cancel_thd =
+          new std::thread(&ServerContext::TryCancel, &srv_ctx);
 
       // Server will cancel the RPC in a parallel thread while writing responses
       // to the client. Since the cancellation can happen at anytime, some of
       // the cq results (i.e those until cancellation) might be true but it is
       // non deterministic. So better to ignore the cq results
       ignore_cq_result = true;
+      // Expect that we might possibly see the done tag that
+      // indicates cancellation completion in this case
+      want_done_tag = true;
+      verif.Expect(11, true);
     }
 
     // Server sends three messages (tags 3, 4 and 5)
+    // But if want_done tag is true, we might also see tag 11
     for (int tag_idx = 3; tag_idx <= 5; tag_idx++) {
       send_response.set_message("Pong " + std::to_string(tag_idx));
       srv_stream.Write(send_response, tag(tag_idx));
-      Verifier(GetParam())
-          .Expect(tag_idx, expected_cq_result)
-          .Verify(cq_.get(), ignore_cq_result);
+      // Note that we'll add something to the verifier and verify that
+      // something was seen, but it might be tag 11 and not what we
+      // just added
+      int got_tag = verif.Expect(tag_idx, expected_cq_result)
+                        .Next(cq_.get(), ignore_cq_result);
+      GPR_ASSERT((got_tag == tag_idx) || (got_tag == 11 && want_done_tag));
+      if (got_tag == 11) {
+        EXPECT_TRUE(srv_ctx.IsCancelled());
+        want_done_tag = false;
+        // Now get the other entry that we were waiting on
+        EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), tag_idx);
+      }
     }
 
     if (server_try_cancel_thd != NULL) {
@@ -975,7 +1046,19 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     if (server_try_cancel == CANCEL_AFTER_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      want_done_tag = true;
+      verif.Expect(11, true);
+
+      // Client reads may fail bacause it is notified that the stream is
+      // cancelled.
+      ignore_cq_result = true;
+    }
+
+    if (want_done_tag) {
+      verif.Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
     }
 
     // Client attemts to read the three messages from the server
@@ -1035,6 +1118,7 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     // On the server, request to be notified of the 'BidiStream' call and
     // receive the call just made by the client
+    srv_ctx.AsyncNotifyWhenDone(tag(11));
     service_.RequestBidiStream(&srv_ctx, &srv_stream, cq_.get(), cq_.get(),
                                tag(2));
     Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
@@ -1046,9 +1130,12 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
 
     bool expected_cq_result = true;
     bool ignore_cq_result = false;
+    bool want_done_tag = false;
 
     if (server_try_cancel == CANCEL_BEFORE_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      Verifier(GetParam()).Expect(11, true).Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
 
       // We know for sure that all cq results will be false from this point
       // since the server cancelled the RPC
@@ -1056,42 +1143,84 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     std::thread* server_try_cancel_thd = NULL;
+
+    auto verif = Verifier(GetParam());
+
     if (server_try_cancel == CANCEL_DURING_PROCESSING) {
-      server_try_cancel_thd = new std::thread(
-          &AsyncEnd2endServerTryCancelTest::ServerTryCancel, this, &srv_ctx);
+      server_try_cancel_thd =
+          new std::thread(&ServerContext::TryCancel, &srv_ctx);
 
       // Since server is going to cancel the RPC in a parallel thread, some of
       // the cq results (i.e those until the cancellation) might be true. Since
       // that number is non-deterministic, it is better to ignore the cq results
       ignore_cq_result = true;
+      // Expect that we might possibly see the done tag that
+      // indicates cancellation completion in this case
+      want_done_tag = true;
+      verif.Expect(11, true);
     }
 
+    int got_tag;
     srv_stream.Read(&recv_request, tag(4));
-    Verifier(GetParam())
-        .Expect(4, expected_cq_result)
-        .Verify(cq_.get(), ignore_cq_result);
+    verif.Expect(4, expected_cq_result);
+    got_tag = verif.Next(cq_.get(), ignore_cq_result);
+    GPR_ASSERT((got_tag == 4) || (got_tag == 11 && want_done_tag));
+    if (got_tag == 11) {
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
+      // Now get the other entry that we were waiting on
+      EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), 4);
+    }
 
     send_response.set_message("Pong");
     srv_stream.Write(send_response, tag(5));
-    Verifier(GetParam())
-        .Expect(5, expected_cq_result)
-        .Verify(cq_.get(), ignore_cq_result);
+    verif.Expect(5, expected_cq_result);
+    got_tag = verif.Next(cq_.get(), ignore_cq_result);
+    GPR_ASSERT((got_tag == 5) || (got_tag == 11 && want_done_tag));
+    if (got_tag == 11) {
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
+      // Now get the other entry that we were waiting on
+      EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), 5);
+    }
 
     cli_stream->Read(&recv_response, tag(6));
-    Verifier(GetParam())
-        .Expect(6, expected_cq_result)
-        .Verify(cq_.get(), ignore_cq_result);
+    verif.Expect(6, expected_cq_result);
+    got_tag = verif.Next(cq_.get(), ignore_cq_result);
+    GPR_ASSERT((got_tag == 6) || (got_tag == 11 && want_done_tag));
+    if (got_tag == 11) {
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
+      // Now get the other entry that we were waiting on
+      EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), 6);
+    }
 
     // This is expected to succeed in all cases
     cli_stream->WritesDone(tag(7));
-    Verifier(GetParam()).Expect(7, true).Verify(cq_.get());
+    verif.Expect(7, true);
+    got_tag = verif.Next(cq_.get(), ignore_cq_result);
+    GPR_ASSERT((got_tag == 7) || (got_tag == 11 && want_done_tag));
+    if (got_tag == 11) {
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
+      // Now get the other entry that we were waiting on
+      EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), 7);
+    }
 
     // This is expected to fail in all cases i.e for all values of
-    // server_try_cancel. This is becasue at this point, either there are no
+    // server_try_cancel. This is because at this point, either there are no
     // more msgs from the client (because client called WritesDone) or the RPC
     // is cancelled on the server
     srv_stream.Read(&recv_request, tag(8));
-    Verifier(GetParam()).Expect(8, false).Verify(cq_.get());
+    verif.Expect(8, false);
+    got_tag = verif.Next(cq_.get(), ignore_cq_result);
+    GPR_ASSERT((got_tag == 8) || (got_tag == 11 && want_done_tag));
+    if (got_tag == 11) {
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
+      // Now get the other entry that we were waiting on
+      EXPECT_EQ(verif.Next(cq_.get(), ignore_cq_result), 8);
+    }
 
     if (server_try_cancel_thd != NULL) {
       server_try_cancel_thd->join();
@@ -1099,7 +1228,15 @@ class AsyncEnd2endServerTryCancelTest : public AsyncEnd2endTest {
     }
 
     if (server_try_cancel == CANCEL_AFTER_PROCESSING) {
-      ServerTryCancel(&srv_ctx);
+      srv_ctx.TryCancel();
+      want_done_tag = true;
+      verif.Expect(11, true);
+    }
+
+    if (want_done_tag) {
+      verif.Verify(cq_.get());
+      EXPECT_TRUE(srv_ctx.IsCancelled());
+      want_done_tag = false;
     }
 
     // The RPC has been cancelled at this point for sure (i.e irrespective of
@@ -1164,6 +1301,9 @@ INSTANTIATE_TEST_CASE_P(AsyncEnd2endServerTryCancel,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  gpr_tls_init(&g_is_async_end2end_test);
   ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
+  int ret = RUN_ALL_TESTS();
+  gpr_tls_destroy(&g_is_async_end2end_test);
+  return ret;
 }
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 5ca5cd7e99..30b04fb9b9 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,6 +88,7 @@ TEST_F(CrashTest, KillBeforeWrite) {
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
@@ -113,6 +114,7 @@ TEST_F(CrashTest, KillAfterWrite) {
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
diff --git a/test/cpp/end2end/client_crash_test_server.cc b/test/cpp/end2end/client_crash_test_server.cc
index 1ec641cb5a..9568ca26be 100644
--- a/test/cpp/end2end/client_crash_test_server.cc
+++ b/test/cpp/end2end/client_crash_test_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index c8523847ab..0c9313f88f 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,17 +48,18 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
-#include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/cpp/end2end/test_service_impl.h"
 #include "test/cpp/util/string_ref_helper.h"
+#include "test/cpp/util/test_credentials_provider.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
+using grpc::testing::kTlsCredentialsType;
 using std::chrono::system_clock;
 
 namespace grpc {
@@ -191,12 +192,14 @@ class TestServiceImplDupPkg
 
 class TestScenario {
  public:
-  TestScenario(bool proxy, bool tls) : use_proxy(proxy), use_tls(tls) {}
+  TestScenario(bool proxy, const grpc::string& creds_type)
+      : use_proxy(proxy), credentials_type(creds_type) {}
   void Log() const {
-    gpr_log(GPR_INFO, "Scenario: proxy %d, tls %d", use_proxy, use_tls);
+    gpr_log(GPR_INFO, "Scenario: proxy %d, credentials %s", use_proxy,
+            credentials_type.c_str());
   }
   bool use_proxy;
-  bool use_tls;
+  const grpc::string credentials_type;
 };
 
 class End2endTest : public ::testing::TestWithParam<TestScenario> {
@@ -220,14 +223,8 @@ class End2endTest : public ::testing::TestWithParam<TestScenario> {
     server_address_ << "127.0.0.1:" << port;
     // Setup server
     ServerBuilder builder;
-    auto server_creds = InsecureServerCredentials();
-    if (GetParam().use_tls) {
-      SslServerCredentialsOptions::PemKeyCertPair pkcp = {test_server1_key,
-                                                          test_server1_cert};
-      SslServerCredentialsOptions ssl_opts;
-      ssl_opts.pem_root_certs = "";
-      ssl_opts.pem_key_cert_pairs.push_back(pkcp);
-      server_creds = SslServerCredentials(ssl_opts);
+    auto server_creds = GetServerCredentials(GetParam().credentials_type);
+    if (GetParam().credentials_type != kInsecureCredentialsType) {
       server_creds->SetAuthMetadataProcessor(processor);
     }
     builder.AddListeningPort(server_address_.str(), server_creds);
@@ -246,12 +243,8 @@ class End2endTest : public ::testing::TestWithParam<TestScenario> {
     }
     EXPECT_TRUE(is_server_started_);
     ChannelArguments args;
-    auto channel_creds = InsecureChannelCredentials();
-    if (GetParam().use_tls) {
-      SslCredentialsOptions ssl_opts = {test_root_cert, "", ""};
-      args.SetSslTargetNameOverride("foo.test.google.fr");
-      channel_creds = SslCredentials(ssl_opts);
-    }
+    auto channel_creds =
+        GetChannelCredentials(GetParam().credentials_type, &args);
     if (!user_agent_prefix_.empty()) {
       args.SetUserAgentPrefix(user_agent_prefix_);
     }
@@ -445,9 +438,10 @@ class End2endServerTryCancelTest : public End2endTest {
         break;
 
       case CANCEL_AFTER_PROCESSING:
-        // Server cancelled after writing all messages. Client must have read
-        // all messages
-        EXPECT_EQ(num_msgs_read, kNumResponseStreamsMsgs);
+        // Even though the Server cancelled after writing all messages, the RPC
+        // may be cancelled before the Client got a chance to read all the
+        // messages.
+        EXPECT_LE(num_msgs_read, kNumResponseStreamsMsgs);
         break;
 
       default: {
@@ -527,7 +521,11 @@ class End2endServerTryCancelTest : public End2endTest {
 
       case CANCEL_AFTER_PROCESSING:
         EXPECT_EQ(num_msgs_sent, num_messages);
-        EXPECT_EQ(num_msgs_read, num_msgs_sent);
+
+        // The Server cancelled after reading the last message and after writing
+        // the message to the client. However, the RPC cancellation might have
+        // taken effect before the client actually read the response.
+        EXPECT_LE(num_msgs_read, num_msgs_sent);
         break;
 
       default:
@@ -912,9 +910,9 @@ TEST_P(End2endTest, SimultaneousReadWritesDone) {
   std::thread reader_thread(ReaderThreadFunc, stream.get(), &ev);
   gpr_event_wait(&ev, gpr_inf_future(GPR_CLOCK_REALTIME));
   stream->WritesDone();
+  reader_thread.join();
   Status s = stream->Finish();
   EXPECT_TRUE(s.ok());
-  reader_thread.join();
 }
 
 TEST_P(End2endTest, ChannelState) {
@@ -941,7 +939,7 @@ TEST_P(End2endTest, ChannelState) {
 
 // Takes 10s.
 TEST_P(End2endTest, ChannelStateTimeout) {
-  if (GetParam().use_tls) {
+  if (GetParam().credentials_type != kInsecureCredentialsType) {
     return;
   }
   int port = grpc_pick_unused_port_or_die();
@@ -1150,7 +1148,7 @@ class SecureEnd2endTest : public End2endTest {
  protected:
   SecureEnd2endTest() {
     GPR_ASSERT(!GetParam().use_proxy);
-    GPR_ASSERT(GetParam().use_tls);
+    GPR_ASSERT(GetParam().credentials_type != kInsecureCredentialsType);
   }
 };
 
@@ -1197,6 +1195,8 @@ TEST_P(SecureEnd2endTest, BlockingAuthMetadataPluginAndProcessorSuccess) {
   request.mutable_param()->set_echo_metadata(true);
   request.mutable_param()->set_expected_client_identity(
       TestAuthMetadataProcessor::kGoodGuy);
+  request.mutable_param()->set_expected_transport_security_type(
+      GetParam().credentials_type);
 
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(request.message(), response.message());
@@ -1304,6 +1304,8 @@ TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginAndProcessorSuccess) {
   request.mutable_param()->set_echo_metadata(true);
   request.mutable_param()->set_expected_client_identity(
       TestAuthMetadataProcessor::kGoodGuy);
+  request.mutable_param()->set_expected_transport_security_type(
+      GetParam().credentials_type);
 
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(request.message(), response.message());
@@ -1352,42 +1354,68 @@ TEST_P(SecureEnd2endTest, ClientAuthContext) {
   EchoRequest request;
   EchoResponse response;
   request.set_message("Hello");
-  request.mutable_param()->set_check_auth_context(true);
-
+  request.mutable_param()->set_check_auth_context(GetParam().credentials_type ==
+                                                  kTlsCredentialsType);
+  request.mutable_param()->set_expected_transport_security_type(
+      GetParam().credentials_type);
   ClientContext context;
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
   EXPECT_TRUE(s.ok());
 
   std::shared_ptr<const AuthContext> auth_ctx = context.auth_context();
-  std::vector<grpc::string_ref> ssl =
+  std::vector<grpc::string_ref> tst =
       auth_ctx->FindPropertyValues("transport_security_type");
-  EXPECT_EQ(1u, ssl.size());
-  EXPECT_EQ("ssl", ToString(ssl[0]));
-  EXPECT_EQ("x509_subject_alternative_name",
-            auth_ctx->GetPeerIdentityPropertyName());
-  EXPECT_EQ(3u, auth_ctx->GetPeerIdentity().size());
-  EXPECT_EQ("*.test.google.fr", ToString(auth_ctx->GetPeerIdentity()[0]));
-  EXPECT_EQ("waterzooi.test.google.be",
-            ToString(auth_ctx->GetPeerIdentity()[1]));
-  EXPECT_EQ("*.test.youtube.com", ToString(auth_ctx->GetPeerIdentity()[2]));
+  EXPECT_EQ(1u, tst.size());
+  EXPECT_EQ(GetParam().credentials_type, ToString(tst[0]));
+  if (GetParam().credentials_type == kTlsCredentialsType) {
+    EXPECT_EQ("x509_subject_alternative_name",
+              auth_ctx->GetPeerIdentityPropertyName());
+    EXPECT_EQ(4u, auth_ctx->GetPeerIdentity().size());
+    EXPECT_EQ("*.test.google.fr", ToString(auth_ctx->GetPeerIdentity()[0]));
+    EXPECT_EQ("waterzooi.test.google.be",
+              ToString(auth_ctx->GetPeerIdentity()[1]));
+    EXPECT_EQ("*.test.youtube.com", ToString(auth_ctx->GetPeerIdentity()[2]));
+    EXPECT_EQ("192.168.1.3", ToString(auth_ctx->GetPeerIdentity()[3]));
+  }
+}
+
+std::vector<TestScenario> CreateTestScenarios(bool use_proxy,
+                                              bool test_insecure,
+                                              bool test_secure) {
+  std::vector<TestScenario> scenarios;
+  std::vector<grpc::string> credentials_types;
+  if (test_secure) {
+    credentials_types = GetSecureCredentialsTypeList();
+  }
+  if (test_insecure) {
+    credentials_types.push_back(kInsecureCredentialsType);
+  }
+  for (auto it = credentials_types.begin(); it != credentials_types.end();
+       ++it) {
+    scenarios.push_back(TestScenario(false, *it));
+    if (use_proxy) {
+      scenarios.push_back(TestScenario(true, *it));
+    }
+  }
+  return scenarios;
 }
 
 INSTANTIATE_TEST_CASE_P(End2end, End2endTest,
-                        ::testing::Values(TestScenario(false, false),
-                                          TestScenario(false, true)));
+                        ::testing::ValuesIn(CreateTestScenarios(false, true,
+                                                                true)));
 
 INSTANTIATE_TEST_CASE_P(End2endServerTryCancel, End2endServerTryCancelTest,
-                        ::testing::Values(TestScenario(false, false)));
+                        ::testing::ValuesIn(CreateTestScenarios(false, true,
+                                                                false)));
 
 INSTANTIATE_TEST_CASE_P(ProxyEnd2end, ProxyEnd2endTest,
-                        ::testing::Values(TestScenario(false, false),
-                                          TestScenario(false, true),
-                                          TestScenario(true, false),
-                                          TestScenario(true, true)));
+                        ::testing::ValuesIn(CreateTestScenarios(true, true,
+                                                                true)));
 
 INSTANTIATE_TEST_CASE_P(SecureEnd2end, SecureEnd2endTest,
-                        ::testing::Values(TestScenario(false, true)));
+                        ::testing::ValuesIn(CreateTestScenarios(false, false,
+                                                                true)));
 
 }  // namespace
 }  // namespace testing
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 4e6d50ea80..d0cf6aea9d 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -135,6 +135,8 @@ class GenericEnd2endTest : public ::testing::Test {
       std::unique_ptr<ByteBuffer> send_buffer =
           SerializeToByteBuffer(&send_request);
       call->Write(*send_buffer, tag(2));
+      // Send ByteBuffer can be destroyed after calling Write.
+      send_buffer.reset();
       client_ok(2);
       call->WritesDone(tag(3));
       client_ok(3);
@@ -154,6 +156,7 @@ class GenericEnd2endTest : public ::testing::Test {
       send_response.set_message(recv_request.message());
       send_buffer = SerializeToByteBuffer(&send_response);
       stream.Write(*send_buffer, tag(6));
+      send_buffer.reset();
       server_ok(6);
 
       stream.Finish(Status::OK, tag(7));
@@ -223,6 +226,7 @@ TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   std::unique_ptr<ByteBuffer> send_buffer =
       SerializeToByteBuffer(&send_request);
   cli_stream->Write(*send_buffer, tag(3));
+  send_buffer.reset();
   client_ok(3);
 
   ByteBuffer recv_buffer;
@@ -234,6 +238,7 @@ TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   send_response.set_message(recv_request.message());
   send_buffer = SerializeToByteBuffer(&send_response);
   srv_stream.Write(*send_buffer, tag(5));
+  send_buffer.reset();
   server_ok(5);
 
   cli_stream->Read(&recv_buffer, tag(6));
diff --git a/test/cpp/end2end/hybrid_end2end_test.cc b/test/cpp/end2end/hybrid_end2end_test.cc
index c72e20628f..02043a89d3 100644
--- a/test/cpp/end2end/hybrid_end2end_test.cc
+++ b/test/cpp/end2end/hybrid_end2end_test.cc
@@ -356,7 +356,8 @@ TEST_F(HybridEnd2endTest, AsyncEcho) {
 
 TEST_F(HybridEnd2endTest, AsyncEchoRequestStream) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithAsyncMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithAsyncMethod_Echo<TestServiceImpl> >
+      service;
   SetUpServer(&service, nullptr, nullptr);
   ResetStub();
   std::thread echo_handler_thread(
@@ -436,7 +437,8 @@ TEST_F(HybridEnd2endTest, GenericEcho) {
 
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   SetUpServer(&service, nullptr, &generic_service);
   ResetStub();
@@ -453,7 +455,8 @@ TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream) {
 // Add a second service with one sync method.
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_SyncDupService) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   TestServiceImplDupPkg dup_service;
   SetUpServer(&service, &dup_service, &generic_service);
@@ -472,7 +475,8 @@ TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_SyncDupService) {
 // Add a second service with one async method.
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_AsyncDupService) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   duplicate::EchoTestService::AsyncService dup_service;
   SetUpServer(&service, &dup_service, &generic_service);
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 1d29096b86..0ace5d9418 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/server_crash_test.cc b/test/cpp/end2end/server_crash_test.cc
index 9bf9423666..e447360276 100644
--- a/test/cpp/end2end/server_crash_test.cc
+++ b/test/cpp/end2end/server_crash_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index b0e6ac6f56..ece948d5a7 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,6 +63,7 @@ int main(int argc, char** argv) {
   EchoRequest request;
   EchoResponse response;
   grpc::ClientContext context;
+  context.set_fail_fast(false);
 
   if (FLAGS_mode == "bidi") {
     auto stream = stub->BidiStream(&context);
diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index dbbda3ac51..aa8d42141d 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@
 #include <grpc/support/sync.h>
 #include <gtest/gtest.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index 4777b88747..9e82c30701 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/test_service_impl.cc b/test/cpp/end2end/test_service_impl.cc
index 66d11d0dfc..2f5dd6d49e 100644
--- a/test/cpp/end2end/test_service_impl.cc
+++ b/test/cpp/end2end/test_service_impl.cc
@@ -62,14 +62,16 @@ void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
   }
 }
 
-void CheckServerAuthContext(const ServerContext* context,
-                            const grpc::string& expected_client_identity) {
+void CheckServerAuthContext(
+    const ServerContext* context,
+    const grpc::string& expected_transport_security_type,
+    const grpc::string& expected_client_identity) {
   std::shared_ptr<const AuthContext> auth_ctx = context->auth_context();
-  std::vector<grpc::string_ref> ssl =
+  std::vector<grpc::string_ref> tst =
       auth_ctx->FindPropertyValues("transport_security_type");
-  EXPECT_EQ(1u, ssl.size());
-  EXPECT_EQ("ssl", ToString(ssl[0]));
-  if (expected_client_identity.length() == 0) {
+  EXPECT_EQ(1u, tst.size());
+  EXPECT_EQ(expected_transport_security_type, ToString(tst[0]));
+  if (expected_client_identity.empty()) {
     EXPECT_TRUE(auth_ctx->GetPeerIdentityPropertyName().empty());
     EXPECT_TRUE(auth_ctx->GetPeerIdentity().empty());
     EXPECT_FALSE(auth_ctx->IsPeerAuthenticated());
@@ -127,10 +129,9 @@ Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request,
   if (request->has_param() && request->param().echo_metadata()) {
     const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata =
         context->client_metadata();
-    for (
-        std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter =
-            client_metadata.begin();
-        iter != client_metadata.end(); ++iter) {
+    for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
+             iter = client_metadata.begin();
+         iter != client_metadata.end(); ++iter) {
       context->AddTrailingMetadata(ToString(iter->first),
                                    ToString(iter->second));
     }
@@ -139,6 +140,7 @@ Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request,
       (request->param().expected_client_identity().length() > 0 ||
        request->param().check_auth_context())) {
     CheckServerAuthContext(context,
+                           request->param().expected_transport_security_type(),
                            request->param().expected_client_identity());
   }
   if (request->has_param() && request->param().response_message_length() > 0) {
@@ -326,7 +328,11 @@ void TestServiceImpl::ServerTryCancel(ServerContext* context) {
   EXPECT_FALSE(context->IsCancelled());
   context->TryCancel();
   gpr_log(GPR_INFO, "Server called TryCancel() to cancel the request");
-  EXPECT_TRUE(context->IsCancelled());
+  // Now wait until it's really canceled
+  while (!context->IsCancelled()) {
+    gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                                 gpr_time_from_micros(1000, GPR_TIMESPAN)));
+  }
 }
 
 }  // namespace testing
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index e246c0b0e2..94541f9a45 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,7 +45,7 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
@@ -58,6 +58,7 @@ using std::chrono::system_clock;
 const int kNumThreads = 100;  // Number of threads
 const int kNumAsyncSendThreads = 2;
 const int kNumAsyncReceiveThreads = 50;
+const int kNumAsyncServerThreads = 50;
 const int kNumRpcs = 1000;  // Number of RPCs per thread
 
 namespace grpc {
@@ -174,23 +175,13 @@ class TestServiceImplDupPkg
   }
 };
 
+template <class Service>
 class CommonStressTest {
  public:
   CommonStressTest() : kMaxMessageSize_(8192) {}
-  void SetUp() {
-    int port = grpc_pick_unused_port_or_die();
-    server_address_ << "localhost:" << port;
-    // Setup server
-    ServerBuilder builder;
-    builder.AddListeningPort(server_address_.str(),
-                             InsecureServerCredentials());
-    builder.RegisterService(&service_);
-    builder.SetMaxMessageSize(
-        kMaxMessageSize_);  // For testing max message size.
-    builder.RegisterService(&dup_pkg_service_);
-    server_ = builder.BuildAndStart();
-  }
-  void TearDown() { server_->Shutdown(); }
+  virtual ~CommonStressTest() {}
+  virtual void SetUp() = 0;
+  virtual void TearDown() = 0;
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
@@ -198,15 +189,137 @@ class CommonStressTest {
   }
   grpc::testing::EchoTestService::Stub* GetStub() { return stub_.get(); }
 
+ protected:
+  void SetUpStart(ServerBuilder* builder, Service* service) {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ << "localhost:" << port;
+    // Setup server
+    builder->AddListeningPort(server_address_.str(),
+                              InsecureServerCredentials());
+    builder->RegisterService(service);
+    builder->SetMaxMessageSize(
+        kMaxMessageSize_);  // For testing max message size.
+    builder->RegisterService(&dup_pkg_service_);
+  }
+  void SetUpEnd(ServerBuilder* builder) { server_ = builder->BuildAndStart(); }
+  void TearDownStart() { server_->Shutdown(); }
+  void TearDownEnd() {}
+
  private:
   std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   const int kMaxMessageSize_;
-  TestServiceImpl service_;
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
+class CommonStressTestSyncServer : public CommonStressTest<TestServiceImpl> {
+ public:
+  void SetUp() GRPC_OVERRIDE {
+    ServerBuilder builder;
+    SetUpStart(&builder, &service_);
+    SetUpEnd(&builder);
+  }
+  void TearDown() GRPC_OVERRIDE {
+    TearDownStart();
+    TearDownEnd();
+  }
+
+ private:
+  TestServiceImpl service_;
+};
+
+class CommonStressTestAsyncServer
+    : public CommonStressTest<::grpc::testing::EchoTestService::AsyncService> {
+ public:
+  void SetUp() GRPC_OVERRIDE {
+    shutting_down_ = false;
+    ServerBuilder builder;
+    SetUpStart(&builder, &service_);
+    cq_ = builder.AddCompletionQueue();
+    SetUpEnd(&builder);
+    contexts_ = new Context[kNumAsyncServerThreads * 100];
+    for (int i = 0; i < kNumAsyncServerThreads * 100; i++) {
+      RefreshContext(i);
+    }
+    for (int i = 0; i < kNumAsyncServerThreads; i++) {
+      server_threads_.push_back(
+          new std::thread(&CommonStressTestAsyncServer::ProcessRpcs, this));
+    }
+  }
+  void TearDown() GRPC_OVERRIDE {
+    {
+      unique_lock<mutex> l(mu_);
+      TearDownStart();
+      shutting_down_ = true;
+      cq_->Shutdown();
+    }
+
+    for (int i = 0; i < kNumAsyncServerThreads; i++) {
+      server_threads_[i]->join();
+      delete server_threads_[i];
+    }
+
+    void* ignored_tag;
+    bool ignored_ok;
+    while (cq_->Next(&ignored_tag, &ignored_ok))
+      ;
+    TearDownEnd();
+    delete[] contexts_;
+  }
+
+ private:
+  void ProcessRpcs() {
+    void* tag;
+    bool ok;
+    while (cq_->Next(&tag, &ok)) {
+      if (ok) {
+        int i = static_cast<int>(reinterpret_cast<intptr_t>(tag));
+        switch (contexts_[i].state) {
+          case Context::READY: {
+            contexts_[i].state = Context::DONE;
+            EchoResponse send_response;
+            send_response.set_message(contexts_[i].recv_request.message());
+            contexts_[i].response_writer->Finish(send_response, Status::OK,
+                                                 tag);
+            break;
+          }
+          case Context::DONE:
+            RefreshContext(i);
+            break;
+        }
+      }
+    }
+  }
+  void RefreshContext(int i) {
+    unique_lock<mutex> l(mu_);
+    if (!shutting_down_) {
+      contexts_[i].state = Context::READY;
+      contexts_[i].srv_ctx.reset(new ServerContext);
+      contexts_[i].response_writer.reset(
+          new grpc::ServerAsyncResponseWriter<EchoResponse>(
+              contexts_[i].srv_ctx.get()));
+      service_.RequestEcho(contexts_[i].srv_ctx.get(),
+                           &contexts_[i].recv_request,
+                           contexts_[i].response_writer.get(), cq_.get(),
+                           cq_.get(), (void*)(intptr_t)i);
+    }
+  }
+  struct Context {
+    std::unique_ptr<ServerContext> srv_ctx;
+    std::unique_ptr<grpc::ServerAsyncResponseWriter<EchoResponse>>
+        response_writer;
+    EchoRequest recv_request;
+    enum { READY, DONE } state;
+  } * contexts_;
+  ::grpc::testing::EchoTestService::AsyncService service_;
+  std::unique_ptr<ServerCompletionQueue> cq_;
+  bool shutting_down_;
+  mutex mu_;
+  std::vector<std::thread*> server_threads_;
+};
+
+template <class Common>
 class End2endTest : public ::testing::Test {
  protected:
   End2endTest() {}
@@ -214,7 +327,7 @@ class End2endTest : public ::testing::Test {
   void TearDown() GRPC_OVERRIDE { common_.TearDown(); }
   void ResetStub() { common_.ResetStub(); }
 
-  CommonStressTest common_;
+  Common common_;
 };
 
 static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
@@ -230,11 +343,16 @@ static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   }
 }
 
-TEST_F(End2endTest, ThreadStress) {
-  common_.ResetStub();
+typedef ::testing::Types<CommonStressTestSyncServer,
+                         CommonStressTestAsyncServer>
+    CommonTypes;
+TYPED_TEST_CASE(End2endTest, CommonTypes);
+TYPED_TEST(End2endTest, ThreadStress) {
+  this->common_.ResetStub();
   std::vector<std::thread*> threads;
   for (int i = 0; i < kNumThreads; ++i) {
-    threads.push_back(new std::thread(SendRpc, common_.GetStub(), kNumRpcs));
+    threads.push_back(
+        new std::thread(SendRpc, this->common_.GetStub(), kNumRpcs));
   }
   for (int i = 0; i < kNumThreads; ++i) {
     threads[i]->join();
@@ -242,6 +360,7 @@ TEST_F(End2endTest, ThreadStress) {
   }
 }
 
+template <class Common>
 class AsyncClientEnd2endTest : public ::testing::Test {
  protected:
   AsyncClientEnd2endTest() : rpcs_outstanding_(0) {}
@@ -309,31 +428,33 @@ class AsyncClientEnd2endTest : public ::testing::Test {
     }
   }
 
-  CommonStressTest common_;
+  Common common_;
   CompletionQueue cq_;
   mutex mu_;
   condition_variable cv_;
   int rpcs_outstanding_;
 };
 
-TEST_F(AsyncClientEnd2endTest, ThreadStress) {
-  common_.ResetStub();
-  std::vector<std::thread*> send_threads, completion_threads;
+TYPED_TEST_CASE(AsyncClientEnd2endTest, CommonTypes);
+TYPED_TEST(AsyncClientEnd2endTest, ThreadStress) {
+  this->common_.ResetStub();
+  std::vector<std::thread *> send_threads, completion_threads;
   for (int i = 0; i < kNumAsyncReceiveThreads; ++i) {
     completion_threads.push_back(new std::thread(
-        &AsyncClientEnd2endTest_ThreadStress_Test::AsyncCompleteRpc, this));
+        &AsyncClientEnd2endTest_ThreadStress_Test<TypeParam>::AsyncCompleteRpc,
+        this));
   }
   for (int i = 0; i < kNumAsyncSendThreads; ++i) {
-    send_threads.push_back(
-        new std::thread(&AsyncClientEnd2endTest_ThreadStress_Test::AsyncSendRpc,
-                        this, kNumRpcs));
+    send_threads.push_back(new std::thread(
+        &AsyncClientEnd2endTest_ThreadStress_Test<TypeParam>::AsyncSendRpc,
+        this, kNumRpcs));
   }
   for (int i = 0; i < kNumAsyncSendThreads; ++i) {
     send_threads[i]->join();
     delete send_threads[i];
   }
 
-  Wait();
+  this->Wait();
   for (int i = 0; i < kNumAsyncReceiveThreads; ++i) {
     completion_threads[i]->join();
     delete completion_threads[i];
diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
index bbf1b0edc1..12853a1b98 100644
--- a/test/cpp/end2end/zookeeper_test.cc
+++ b/test/cpp/end2end/zookeeper_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@
 #include <gtest/gtest.h>
 #include <zookeeper/zookeeper.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
new file mode 100644
index 0000000000..92f93c869c
--- /dev/null
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -0,0 +1,133 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <gtest/gtest.h>
+#include <string>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+#include "src/proto/grpc/lb/v0/load_balancer.pb.h"  // C++ version
+
+namespace grpc {
+namespace {
+
+using grpc::lb::v0::LoadBalanceRequest;
+using grpc::lb::v0::LoadBalanceResponse;
+
+class GrpclbTest : public ::testing::Test {};
+
+TEST_F(GrpclbTest, CreateRequest) {
+  const std::string service_name = "AServiceName";
+  LoadBalanceRequest request;
+  grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
+  gpr_slice slice = grpc_grpclb_request_encode(c_req);
+  const int num_bytes_written = GPR_SLICE_LENGTH(slice);
+  EXPECT_GT(num_bytes_written, 0);
+  request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written);
+  EXPECT_EQ(request.initial_request().name(), service_name);
+  gpr_slice_unref(slice);
+  grpc_grpclb_request_destroy(c_req);
+}
+
+TEST_F(GrpclbTest, ParseResponse) {
+  LoadBalanceResponse response;
+  const std::string client_config_str = "I'm a client config";
+  auto* initial_response = response.mutable_initial_response();
+  initial_response->set_client_config(client_config_str);
+  auto* client_stats_report_interval =
+      initial_response->mutable_client_stats_report_interval();
+  client_stats_report_interval->set_seconds(123);
+  client_stats_report_interval->set_nanos(456);
+
+  const std::string encoded_response = response.SerializeAsString();
+  gpr_slice encoded_slice =
+      gpr_slice_from_copied_string(encoded_response.c_str());
+  grpc_grpclb_response* c_response = grpc_grpclb_response_parse(encoded_slice);
+  EXPECT_TRUE(c_response->has_initial_response);
+  EXPECT_TRUE(c_response->initial_response.has_client_config);
+  EXPECT_FALSE(c_response->initial_response.has_load_balancer_delegate);
+  EXPECT_TRUE(strcmp(c_response->initial_response.client_config,
+                     client_config_str.c_str()) == 0);
+  EXPECT_EQ(c_response->initial_response.client_stats_report_interval.seconds,
+            123);
+  EXPECT_EQ(c_response->initial_response.client_stats_report_interval.nanos,
+            456);
+  gpr_slice_unref(encoded_slice);
+  grpc_grpclb_response_destroy(c_response);
+}
+
+TEST_F(GrpclbTest, ParseResponseServerList) {
+  LoadBalanceResponse response;
+  auto* serverlist = response.mutable_server_list();
+  auto* server = serverlist->add_servers();
+  server->set_ip_address("127.0.0.1");
+  server->set_port(12345);
+  server->set_drop_request(true);
+  server = response.mutable_server_list()->add_servers();
+  server->set_ip_address("10.0.0.1");
+  server->set_port(54321);
+  server->set_drop_request(false);
+  auto* expiration_interval = serverlist->mutable_expiration_interval();
+  expiration_interval->set_seconds(888);
+  expiration_interval->set_nanos(999);
+
+  const std::string encoded_response = response.SerializeAsString();
+  gpr_slice encoded_slice =
+      gpr_slice_from_copied_string(encoded_response.c_str());
+  grpc_grpclb_serverlist* c_serverlist =
+      grpc_grpclb_response_parse_serverlist(encoded_slice);
+  ASSERT_EQ(c_serverlist->num_servers, 2ul);
+  EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address);
+  EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0);
+  EXPECT_EQ(c_serverlist->servers[0]->port, 12345);
+  EXPECT_TRUE(c_serverlist->servers[0]->drop_request);
+  EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address);
+  EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0);
+  EXPECT_EQ(c_serverlist->servers[1]->port, 54321);
+  EXPECT_FALSE(c_serverlist->servers[1]->drop_request);
+
+  EXPECT_TRUE(c_serverlist->expiration_interval.has_seconds);
+  EXPECT_EQ(c_serverlist->expiration_interval.seconds, 888);
+  EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos);
+  EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999);
+
+  gpr_slice_unref(encoded_slice);
+  grpc_grpclb_destroy_serverlist(c_serverlist);
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index cb9b396beb..9af6a88044 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -35,11 +35,11 @@
 
 #include <unistd.h>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 
 #include "test/cpp/interop/client_helper.h"
 #include "test/cpp/interop/interop_client.h"
@@ -74,6 +74,7 @@ DEFINE_string(test_case, "large_unary",
               "oauth2_auth_token: raw oauth2 access token auth; "
               "per_rpc_creds: raw oauth2 access token on a single rpc; "
               "status_code_and_message: verify status code & message; "
+              "custom_metadata: server will echo custom metadata;"
               "all : all of above.");
 DEFINE_string(default_service_account, "",
               "Email of GCE default service account");
@@ -129,6 +130,8 @@ int main(int argc, char** argv) {
     client.DoPerRpcCreds(json_key);
   } else if (FLAGS_test_case == "status_code_and_message") {
     client.DoStatusWithMessage();
+  } else if (FLAGS_test_case == "custom_metadata") {
+    client.DoCustomMetadata();
   } else if (FLAGS_test_case == "all") {
     client.DoEmpty();
     client.DoLargeUnary();
@@ -142,6 +145,7 @@ int main(int argc, char** argv) {
     client.DoTimeoutOnSleepingServer();
     client.DoEmptyStream();
     client.DoStatusWithMessage();
+    client.DoCustomMetadata();
     // service_account_creds and jwt_token_creds can only run with ssl.
     if (FLAGS_use_tls) {
       grpc::string json_key = GetServiceAccountJsonKey();
@@ -159,7 +163,7 @@ int main(int argc, char** argv) {
         "server_compressed_streaming|half_duplex|ping_pong|cancel_after_begin|"
         "cancel_after_first_response|timeout_on_sleeping_server|empty_stream|"
         "compute_engine_creds|jwt_token_creds|oauth2_auth_token|per_rpc_creds",
-        FLAGS_test_case.c_str());
+        "status_code_and_message|custom_metadata", FLAGS_test_case.c_str());
     ret = 1;
   }
 
diff --git a/test/cpp/interop/client_helper.cc b/test/cpp/interop/client_helper.cc
index 5caf0f2d1d..c8b1e505c1 100644
--- a/test/cpp/interop/client_helper.cc
+++ b/test/cpp/interop/client_helper.cc
@@ -39,13 +39,13 @@
 #include <memory>
 #include <sstream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 #include "src/cpp/client/secure_credentials.h"
 #include "test/core/security/oauth2_utils.h"
diff --git a/test/cpp/interop/client_helper.h b/test/cpp/interop/client_helper.h
index 0f77474139..622b96e4fb 100644
--- a/test/cpp/interop/client_helper.h
+++ b/test/cpp/interop/client_helper.h
@@ -38,7 +38,7 @@
 
 #include <grpc++/channel.h>
 
-#include "src/core/surface/call_test_only.h"
+#include "src/core/lib/surface/call_test_only.h"
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index b06310781a..22293d211f 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,10 +46,10 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "test/cpp/interop/client_helper.h"
 
 namespace grpc {
@@ -625,5 +625,77 @@ void InteropClient::DoStatusWithMessage() {
   gpr_log(GPR_DEBUG, "Done testing Status and Message");
 }
 
+void InteropClient::DoCustomMetadata() {
+  const grpc::string kEchoInitialMetadataKey("x-grpc-test-echo-initial");
+  const grpc::string kInitialMetadataValue("test_initial_metadata_value");
+  const grpc::string kEchoTrailingBinMetadataKey(
+      "x-grpc-test-echo-trailing-bin");
+  const grpc::string kTrailingBinValue("\x0a\x0b\x0a\x0b\x0a\x0b");
+  ;
+
+  {
+    gpr_log(GPR_DEBUG, "Sending RPC with custom metadata");
+    ClientContext context;
+    context.AddMetadata(kEchoInitialMetadataKey, kInitialMetadataValue);
+    context.AddMetadata(kEchoTrailingBinMetadataKey, kTrailingBinValue);
+    SimpleRequest request;
+    SimpleResponse response;
+    request.set_response_size(kLargeResponseSize);
+    grpc::string payload(kLargeRequestSize, '\0');
+    request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
+
+    Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
+    AssertOkOrPrintErrorStatus(s);
+    const auto& server_initial_metadata = context.GetServerInitialMetadata();
+    auto iter = server_initial_metadata.find(kEchoInitialMetadataKey);
+    GPR_ASSERT(iter != server_initial_metadata.end());
+    GPR_ASSERT(iter->second.data() == kInitialMetadataValue);
+    const auto& server_trailing_metadata = context.GetServerTrailingMetadata();
+    iter = server_trailing_metadata.find(kEchoTrailingBinMetadataKey);
+    GPR_ASSERT(iter != server_trailing_metadata.end());
+    GPR_ASSERT(grpc::string(iter->second.begin(), iter->second.end()) ==
+               kTrailingBinValue);
+
+    gpr_log(GPR_DEBUG, "Done testing RPC with custom metadata");
+  }
+
+  {
+    gpr_log(GPR_DEBUG, "Sending stream with custom metadata");
+    ClientContext context;
+    context.AddMetadata(kEchoInitialMetadataKey, kInitialMetadataValue);
+    context.AddMetadata(kEchoTrailingBinMetadataKey, kTrailingBinValue);
+    std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
+                                       StreamingOutputCallResponse>>
+        stream(serviceStub_.Get()->FullDuplexCall(&context));
+
+    StreamingOutputCallRequest request;
+    request.set_response_type(PayloadType::COMPRESSABLE);
+    ResponseParameters* response_parameter = request.add_response_parameters();
+    response_parameter->set_size(kLargeResponseSize);
+    grpc::string payload(kLargeRequestSize, '\0');
+    request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
+    StreamingOutputCallResponse response;
+    GPR_ASSERT(stream->Write(request));
+    stream->WritesDone();
+    GPR_ASSERT(stream->Read(&response));
+    GPR_ASSERT(response.payload().body() ==
+               grpc::string(kLargeResponseSize, '\0'));
+    GPR_ASSERT(!stream->Read(&response));
+    Status s = stream->Finish();
+    AssertOkOrPrintErrorStatus(s);
+    const auto& server_initial_metadata = context.GetServerInitialMetadata();
+    auto iter = server_initial_metadata.find(kEchoInitialMetadataKey);
+    GPR_ASSERT(iter != server_initial_metadata.end());
+    GPR_ASSERT(iter->second.data() == kInitialMetadataValue);
+    const auto& server_trailing_metadata = context.GetServerTrailingMetadata();
+    iter = server_trailing_metadata.find(kEchoTrailingBinMetadataKey);
+    GPR_ASSERT(iter != server_trailing_metadata.end());
+    GPR_ASSERT(grpc::string(iter->second.begin(), iter->second.end()) ==
+               kTrailingBinValue);
+
+    gpr_log(GPR_DEBUG, "Done testing stream with custom metadata");
+  }
+}
+
 }  // namespace testing
 }  // namespace grpc
diff --git a/test/cpp/interop/interop_client.h b/test/cpp/interop/interop_client.h
index 3ecd380398..a3794fd93f 100644
--- a/test/cpp/interop/interop_client.h
+++ b/test/cpp/interop/interop_client.h
@@ -36,8 +36,8 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
+#include <grpc/grpc.h>
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
 #include "src/proto/grpc/testing/test.grpc.pb.h"
 
@@ -75,6 +75,7 @@ class InteropClient {
   void DoTimeoutOnSleepingServer();
   void DoEmptyStream();
   void DoStatusWithMessage();
+  void DoCustomMetadata();
   // Auth tests.
   // username is a string containing the user email
   void DoJwtTokenCreds(const grpc::string& username);
diff --git a/test/cpp/interop/interop_test.cc b/test/cpp/interop/interop_test.cc
index faf6698903..8e71a2bb29 100644
--- a/test/cpp/interop/interop_test.cc
+++ b/test/cpp/interop/interop_test.cc
@@ -35,14 +35,14 @@
 #define _POSIX_SOURCE
 #endif
 
-#include <unistd.h>
 #include <assert.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
@@ -51,8 +51,8 @@
 #include "test/core/util/port.h"
 
 extern "C" {
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 }
 
 int test_client(const char* root, const char* host, int port) {
diff --git a/test/cpp/interop/metrics_client.cc b/test/cpp/interop/metrics_client.cc
index 0c140ffd85..cc304f2e89 100644
--- a/test/cpp/interop/metrics_client.cc
+++ b/test/cpp/interop/metrics_client.cc
@@ -37,39 +37,45 @@
 #include <gflags/gflags.h>
 #include <grpc++/grpc++.h>
 
-#include "test/cpp/util/metrics_server.h"
-#include "test/cpp/util/test_config.h"
 #include "src/proto/grpc/testing/metrics.grpc.pb.h"
 #include "src/proto/grpc/testing/metrics.pb.h"
+#include "test/cpp/util/metrics_server.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_string(metrics_server_address, "",
               "The metrics server addresses in the fomrat <hostname>:<port>");
+DEFINE_bool(total_only, false,
+            "If true, this prints only the total value of all gauges");
+
+int kDeadlineSecs = 10;
 
 using grpc::testing::EmptyMessage;
 using grpc::testing::GaugeResponse;
 using grpc::testing::MetricsService;
 using grpc::testing::MetricsServiceImpl;
 
-void PrintMetrics(const grpc::string& server_address) {
-  gpr_log(GPR_INFO, "creating a channel to %s", server_address.c_str());
-  std::shared_ptr<grpc::Channel> channel(
-      grpc::CreateChannel(server_address, grpc::InsecureChannelCredentials()));
-
-  std::unique_ptr<MetricsService::Stub> stub(MetricsService::NewStub(channel));
-
+// Prints the values of all Gauges (unless total_only is set to 'true' in which
+// case this only prints the sum of all gauge values).
+bool PrintMetrics(std::unique_ptr<MetricsService::Stub> stub, bool total_only) {
   grpc::ClientContext context;
   EmptyMessage message;
 
+  std::chrono::system_clock::time_point deadline =
+      std::chrono::system_clock::now() + std::chrono::seconds(kDeadlineSecs);
+
+  context.set_deadline(deadline);
+
   std::unique_ptr<grpc::ClientReader<GaugeResponse>> reader(
       stub->GetAllGauges(&context, message));
 
   GaugeResponse gauge_response;
   long overall_qps = 0;
-  int idx = 0;
   while (reader->Read(&gauge_response)) {
     if (gauge_response.value_case() == GaugeResponse::kLongValue) {
-      gpr_log(GPR_INFO, "Gauge: %d (%s: %ld)", ++idx,
-              gauge_response.name().c_str(), gauge_response.long_value());
+      if (!total_only) {
+        gpr_log(GPR_INFO, "%s: %ld", gauge_response.name().c_str(),
+                gauge_response.long_value());
+      }
       overall_qps += gauge_response.long_value();
     } else {
       gpr_log(GPR_INFO, "Gauge %s is not a long value",
@@ -77,12 +83,14 @@ void PrintMetrics(const grpc::string& server_address) {
     }
   }
 
-  gpr_log(GPR_INFO, "OVERALL: %ld", overall_qps);
+  gpr_log(GPR_INFO, "%ld", overall_qps);
 
   const grpc::Status status = reader->Finish();
   if (!status.ok()) {
     gpr_log(GPR_ERROR, "Error in getting metrics from the client");
   }
+
+  return status.ok();
 }
 
 int main(int argc, char** argv) {
@@ -97,7 +105,12 @@ int main(int argc, char** argv) {
     return 1;
   }
 
-  PrintMetrics(FLAGS_metrics_server_address);
+  std::shared_ptr<grpc::Channel> channel(grpc::CreateChannel(
+      FLAGS_metrics_server_address, grpc::InsecureChannelCredentials()));
+
+  if (!PrintMetrics(MetricsService::NewStub(channel), FLAGS_total_only)) {
+    return 1;
+  }
 
   return 0;
 }
diff --git a/test/cpp/interop/reconnect_interop_client.cc b/test/cpp/interop/reconnect_interop_client.cc
index 1f6b352db1..797e52c744 100644
--- a/test/cpp/interop/reconnect_interop_client.cc
+++ b/test/cpp/interop/reconnect_interop_client.cc
@@ -34,27 +34,33 @@
 #include <memory>
 #include <sstream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
-#include "test/cpp/util/create_test_channel.h"
-#include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include "test/cpp/util/create_test_channel.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_int32(server_control_port, 0, "Server port for control rpcs.");
 DEFINE_int32(server_retry_port, 0, "Server port for testing reconnection.");
 DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
+DEFINE_int32(max_reconnect_backoff_ms, 0,
+             "Maximum backoff time, or 0 for default.");
 
+using grpc::CallCredentials;
 using grpc::Channel;
+using grpc::ChannelArguments;
 using grpc::ClientContext;
 using grpc::CreateTestChannel;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 using grpc::testing::ReconnectService;
 
 int main(int argc, char** argv) {
@@ -68,17 +74,25 @@ int main(int argc, char** argv) {
       ReconnectService::NewStub(
           CreateTestChannel(server_address.str(), false)));
   ClientContext start_context;
-  Empty empty_request;
+  ReconnectParams reconnect_params;
+  reconnect_params.set_max_reconnect_backoff_ms(FLAGS_max_reconnect_backoff_ms);
   Empty empty_response;
   Status start_status =
-      control_stub->Start(&start_context, empty_request, &empty_response);
+      control_stub->Start(&start_context, reconnect_params, &empty_response);
   GPR_ASSERT(start_status.ok());
 
   gpr_log(GPR_INFO, "Starting connections with retries.");
   server_address.str("");
   server_address << FLAGS_server_host << ':' << FLAGS_server_retry_port;
+  ChannelArguments channel_args;
+  if (FLAGS_max_reconnect_backoff_ms > 0) {
+    channel_args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS,
+                        FLAGS_max_reconnect_backoff_ms);
+  }
   std::shared_ptr<Channel> retry_channel =
-      CreateTestChannel(server_address.str(), true);
+      CreateTestChannel(server_address.str(), "foo.test.google.fr", true, false,
+                        std::shared_ptr<CallCredentials>(), channel_args);
+
   // About 13 retries.
   const int kDeadlineSeconds = 540;
   // Use any rpc to test retry.
@@ -88,15 +102,15 @@ int main(int argc, char** argv) {
   retry_context.set_deadline(std::chrono::system_clock::now() +
                              std::chrono::seconds(kDeadlineSeconds));
   Status retry_status =
-      retry_stub->Start(&retry_context, empty_request, &empty_response);
+      retry_stub->Start(&retry_context, reconnect_params, &empty_response);
   GPR_ASSERT(retry_status.error_code() == grpc::StatusCode::DEADLINE_EXCEEDED);
   gpr_log(GPR_INFO, "Done retrying, getting final data from server");
 
   ClientContext stop_context;
   ReconnectInfo response;
-  Status stop_status =
-      control_stub->Stop(&stop_context, empty_request, &response);
+  Status stop_status = control_stub->Stop(&stop_context, Empty(), &response);
   GPR_ASSERT(stop_status.ok());
   GPR_ASSERT(response.passed() == true);
+  gpr_log(GPR_INFO, "Passed");
   return 0;
 }
diff --git a/test/cpp/interop/reconnect_interop_server.cc b/test/cpp/interop/reconnect_interop_server.cc
index 3602b8c2b0..53d51e80e7 100644
--- a/test/cpp/interop/reconnect_interop_server.cc
+++ b/test/cpp/interop/reconnect_interop_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,6 +31,8 @@
  *
  */
 
+// Test description at doc/connection-backoff-interop-test-description.md
+
 #include <signal.h>
 #include <unistd.h>
 
@@ -40,17 +42,17 @@
 #include <sstream>
 
 #include <gflags/gflags.h>
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 
-#include "test/core/util/reconnect_server.h"
-#include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include "test/core/util/reconnect_server.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_int32(control_port, 0, "Server port for controlling the server.");
 DEFINE_int32(retry_port, 0,
@@ -69,6 +71,7 @@ using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectService;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 
 static bool got_sigint = false;
 
@@ -90,7 +93,8 @@ class ReconnectServiceImpl : public ReconnectService::Service {
 
   void Poll(int seconds) { reconnect_server_poll(&tcp_server_, seconds); }
 
-  Status Start(ServerContext* context, const Empty* request, Empty* response) {
+  Status Start(ServerContext* context, const ReconnectParams* request,
+               Empty* response) {
     bool start_server = true;
     std::unique_lock<std::mutex> lock(mu_);
     while (serving_ && !shutdown_) {
@@ -103,6 +107,8 @@ class ReconnectServiceImpl : public ReconnectService::Service {
     if (server_started_) {
       start_server = false;
     } else {
+      tcp_server_.max_reconnect_backoff_ms =
+          request->max_reconnect_backoff_ms();
       server_started_ = true;
     }
     lock.unlock();
@@ -131,7 +137,9 @@ class ReconnectServiceImpl : public ReconnectService::Service {
     const double kTransmissionDelay = 100.0;
     const double kBackoffMultiplier = 1.6;
     const double kJitterFactor = 0.2;
-    const int kMaxBackoffMs = 120 * 1000;
+    const int kMaxBackoffMs = tcp_server_.max_reconnect_backoff_ms
+                                  ? tcp_server_.max_reconnect_backoff_ms
+                                  : 120 * 1000;
     bool passed = true;
     for (timestamp_list* cur = tcp_server_.head; cur && cur->next;
          cur = cur->next) {
diff --git a/test/cpp/interop/server_helper.cc b/test/cpp/interop/server_helper.cc
index 9a284094f0..c6d891ad71 100644
--- a/test/cpp/interop/server_helper.cc
+++ b/test/cpp/interop/server_helper.cc
@@ -38,7 +38,7 @@
 #include <gflags/gflags.h>
 #include <grpc++/security/server_credentials.h>
 
-#include "src/core/surface/call_test_only.h"
+#include "src/core/lib/surface/call_test_only.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 DECLARE_bool(use_tls);
diff --git a/test/cpp/interop/server_helper.h b/test/cpp/interop/server_helper.h
index 57337e5239..12865e4032 100644
--- a/test/cpp/interop/server_helper.h
+++ b/test/cpp/interop/server_helper.h
@@ -36,9 +36,9 @@
 
 #include <memory>
 
-#include <grpc/compression.h>
-#include <grpc++/server_context.h>
 #include <grpc++/security/server_credentials.h>
+#include <grpc++/server_context.h>
+#include <grpc/compression.h>
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/interop/server.cc b/test/cpp/interop/server_main.cc
index cdca060c23..889874fe49 100644
--- a/test/cpp/interop/server.cc
+++ b/test/cpp/interop/server_main.cc
@@ -40,19 +40,19 @@
 #include <thread>
 
 #include <gflags/gflags.h>
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
+#include <grpc++/security/server_credentials.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
-#include <grpc++/security/server_credentials.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 
-#include "test/cpp/interop/server_helper.h"
-#include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include "test/cpp/interop/server_helper.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_bool(use_tls, false, "Whether to use tls.");
 DEFINE_int32(port, 0, "Server port.");
@@ -80,6 +80,36 @@ using grpc::Status;
 static bool got_sigint = false;
 static const char* kRandomFile = "test/cpp/interop/rnd.dat";
 
+const char kEchoInitialMetadataKey[] = "x-grpc-test-echo-initial";
+const char kEchoTrailingBinMetadataKey[] = "x-grpc-test-echo-trailing-bin";
+const char kEchoUserAgentKey[] = "x-grpc-test-echo-useragent";
+
+void MaybeEchoMetadata(ServerContext* context) {
+  const auto& client_metadata = context->client_metadata();
+  GPR_ASSERT(client_metadata.count(kEchoInitialMetadataKey) <= 1);
+  GPR_ASSERT(client_metadata.count(kEchoTrailingBinMetadataKey) <= 1);
+
+  auto iter = client_metadata.find(kEchoInitialMetadataKey);
+  if (iter != client_metadata.end()) {
+    context->AddInitialMetadata(kEchoInitialMetadataKey, iter->second.data());
+  }
+  iter = client_metadata.find(kEchoTrailingBinMetadataKey);
+  if (iter != client_metadata.end()) {
+    context->AddTrailingMetadata(
+        kEchoTrailingBinMetadataKey,
+        grpc::string(iter->second.begin(), iter->second.end()));
+  }
+  // Check if client sent a magic key in the header that makes us echo
+  // back the user-agent (for testing purpose)
+  iter = client_metadata.find(kEchoUserAgentKey);
+  if (iter != client_metadata.end()) {
+    iter = client_metadata.find("user-agent");
+    if (iter != client_metadata.end()) {
+      context->AddInitialMetadata(kEchoUserAgentKey, iter->second.data());
+    }
+  }
+}
+
 bool SetPayload(PayloadType type, int size, Payload* payload) {
   PayloadType response_type;
   if (type == PayloadType::RANDOM) {
@@ -130,11 +160,13 @@ class TestServiceImpl : public TestService::Service {
  public:
   Status EmptyCall(ServerContext* context, const grpc::testing::Empty* request,
                    grpc::testing::Empty* response) {
+    MaybeEchoMetadata(context);
     return Status::OK;
   }
 
   Status UnaryCall(ServerContext* context, const SimpleRequest* request,
                    SimpleResponse* response) {
+    MaybeEchoMetadata(context);
     SetResponseCompression(context, *request);
     if (request->response_size() > 0) {
       if (!SetPayload(request->response_type(), request->response_size(),
@@ -192,6 +224,7 @@ class TestServiceImpl : public TestService::Service {
       ServerContext* context,
       ServerReaderWriter<StreamingOutputCallResponse,
                          StreamingOutputCallRequest>* stream) {
+    MaybeEchoMetadata(context);
     StreamingOutputCallRequest request;
     StreamingOutputCallResponse response;
     bool write_success = true;
diff --git a/test/cpp/interop/stress_interop_client.cc b/test/cpp/interop/stress_interop_client.cc
index b581e9b33c..04671fb935 100644
--- a/test/cpp/interop/stress_interop_client.cc
+++ b/test/cpp/interop/stress_interop_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/interop/stress_test.cc b/test/cpp/interop/stress_test.cc
index 702354dc87..38caf31b76 100644
--- a/test/cpp/interop/stress_test.cc
+++ b/test/cpp/interop/stress_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,12 +43,12 @@
 #include <grpc++/impl/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/proto/grpc/testing/metrics.grpc.pb.h"
+#include "src/proto/grpc/testing/metrics.pb.h"
 #include "test/cpp/interop/interop_client.h"
 #include "test/cpp/interop/stress_interop_client.h"
 #include "test/cpp/util/metrics_server.h"
 #include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/metrics.grpc.pb.h"
-#include "src/proto/grpc/testing/metrics.pb.h"
 
 extern "C" {
 extern void gpr_default_log(gpr_log_func_args* args);
@@ -98,11 +98,11 @@ DEFINE_string(test_cases, "",
               " 'large_unary', 10% of the time and 'empty_stream' the remaining"
               " 70% of the time");
 
-DEFINE_int32(log_level, GPR_LOG_SEVERITY_DEBUG,
+DEFINE_int32(log_level, GPR_LOG_SEVERITY_INFO,
              "Severity level of messages that should be logged. Any messages "
              "greater than or equal to the level set here will be logged. "
              "The choices are: 0 (GPR_LOG_SEVERITY_DEBUG), 1 "
-             "(GPR_LOG_SEVERITY_INFO) and 2 (GPR_LOG_SEVERITY_ERROR.");
+             "(GPR_LOG_SEVERITY_INFO) and 2 (GPR_LOG_SEVERITY_ERROR)");
 
 using grpc::testing::kTestCaseList;
 using grpc::testing::MetricsService;
diff --git a/test/cpp/qps/async_streaming_ping_pong_test.cc b/test/cpp/qps/async_streaming_ping_pong_test.cc
index 97499329c1..4b6bae0d5c 100644
--- a/test/cpp/qps/async_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/async_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunAsyncStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Async Streaming Ping Pong");
diff --git a/test/cpp/qps/async_unary_ping_pong_test.cc b/test/cpp/qps/async_unary_ping_pong_test.cc
index d801bddf4a..571a8b7300 100644
--- a/test/cpp/qps/async_unary_ping_pong_test.cc
+++ b/test/cpp/qps/async_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunAsyncUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Async Unary Ping Pong");
diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index c94a523fa1..e958141d4e 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,10 +46,10 @@
 #include "src/proto/grpc/testing/payloads.grpc.pb.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 
-#include "test/cpp/qps/limit_cores.h"
 #include "test/cpp/qps/histogram.h"
 #include "test/cpp/qps/interarrival.h"
-#include "test/cpp/qps/timer.h"
+#include "test/cpp/qps/limit_cores.h"
+#include "test/cpp/qps/usage_timer.h"
 #include "test/cpp/util/create_test_channel.h"
 
 namespace grpc {
@@ -112,26 +112,24 @@ class ClientRequestCreator<ByteBuffer> {
 
 class Client {
  public:
-  Client() : timer_(new Timer), interarrival_timer_() {}
+  Client() : timer_(new UsageTimer), interarrival_timer_() {}
   virtual ~Client() {}
 
   ClientStats Mark(bool reset) {
     Histogram latencies;
-    Timer::Result timer_result;
+    UsageTimer::Result timer_result;
 
     // avoid std::vector for old compilers that expect a copy constructor
     if (reset) {
       Histogram* to_merge = new Histogram[threads_.size()];
       for (size_t i = 0; i < threads_.size(); i++) {
-        threads_[i]->BeginSwap(&to_merge[i]);
-      }
-      std::unique_ptr<Timer> timer(new Timer);
-      timer_.swap(timer);
-      for (size_t i = 0; i < threads_.size(); i++) {
-        threads_[i]->EndSwap();
+        threads_[i]->Swap(&to_merge[i]);
         latencies.Merge(to_merge[i]);
       }
       delete[] to_merge;
+
+      std::unique_ptr<UsageTimer> timer(new UsageTimer);
+      timer_.swap(timer);
       timer_result = timer->Mark();
     } else {
       // merge snapshots of each thread histogram
@@ -227,7 +225,6 @@ class Client {
    public:
     Thread(Client* client, size_t idx)
         : done_(false),
-          new_stats_(nullptr),
           client_(client),
           idx_(idx),
           impl_(&Thread::ThreadFunc, this) {}
@@ -240,16 +237,9 @@ class Client {
       impl_.join();
     }
 
-    void BeginSwap(Histogram* n) {
+    void Swap(Histogram* n) {
       std::lock_guard<std::mutex> g(mu_);
-      new_stats_ = n;
-    }
-
-    void EndSwap() {
-      std::unique_lock<std::mutex> g(mu_);
-      while (new_stats_ != nullptr) {
-        cv_.wait(g);
-      };
+      n->Swap(&histogram_);
     }
 
     void MergeStatsInto(Histogram* hist) {
@@ -263,10 +253,11 @@ class Client {
 
     void ThreadFunc() {
       for (;;) {
+        // lock since the thread should only be doing one thing at a time
+        std::lock_guard<std::mutex> g(mu_);
         // run the loop body
         const bool thread_still_ok = client_->ThreadFunc(&histogram_, idx_);
-        // lock, see if we're done
-        std::lock_guard<std::mutex> g(mu_);
+        // see if we're done
         if (!thread_still_ok) {
           gpr_log(GPR_ERROR, "Finishing client thread due to RPC error");
           done_ = true;
@@ -274,19 +265,11 @@ class Client {
         if (done_) {
           return;
         }
-        // check if we're resetting stats, swap out the histogram if so
-        if (new_stats_) {
-          new_stats_->Swap(&histogram_);
-          new_stats_ = nullptr;
-          cv_.notify_one();
-        }
       }
     }
 
     std::mutex mu_;
-    std::condition_variable cv_;
     bool done_;
-    Histogram* new_stats_;
     Histogram histogram_;
     Client* client_;
     const size_t idx_;
@@ -294,7 +277,7 @@ class Client {
   };
 
   std::vector<std::unique_ptr<Thread>> threads_;
-  std::unique_ptr<Timer> timer_;
+  std::unique_ptr<UsageTimer> timer_;
 
   InterarrivalTimer interarrival_timer_;
   std::vector<gpr_timespec> next_time_;
diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 9e8767d103..e72cef2811 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,7 +54,7 @@
 
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/cpp/qps/client.h"
-#include "test/cpp/qps/timer.h"
+#include "test/cpp/qps/usage_timer.h"
 #include "test/cpp/util/create_test_channel.h"
 
 namespace grpc {
@@ -107,14 +107,14 @@ class ClientRpcContextUnaryImpl : public ClientRpcContext {
   bool RunNextState(bool ok, Histogram* hist) GRPC_OVERRIDE {
     switch (next_state_) {
       case State::READY:
-        start_ = Timer::Now();
+        start_ = UsageTimer::Now();
         response_reader_ = start_req_(stub_, &context_, req_, cq_);
         response_reader_->Finish(&response_, &status_,
                                  ClientRpcContext::tag(this));
         next_state_ = State::RESP_DONE;
         return true;
       case State::RESP_DONE:
-        hist->Add((Timer::Now() - start_) * 1e9);
+        hist->Add((UsageTimer::Now() - start_) * 1e9);
         callback_(status_, &response_);
         next_state_ = State::INVALID;
         return false;
@@ -141,7 +141,8 @@ class ClientRpcContextUnaryImpl : public ClientRpcContext {
   std::function<gpr_timespec()> next_issue_;
   std::function<std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>(
       BenchmarkService::Stub*, grpc::ClientContext*, const RequestType&,
-      CompletionQueue*)> start_req_;
+      CompletionQueue*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>
@@ -287,8 +288,7 @@ class ClientRpcContextStreamingImpl : public ClientRpcContext {
         next_state_(State::INVALID),
         callback_(on_done),
         next_issue_(next_issue),
-        start_req_(start_req),
-        start_(Timer::Now()) {}
+        start_req_(start_req) {}
   ~ClientRpcContextStreamingImpl() GRPC_OVERRIDE {}
   void Start(CompletionQueue* cq) GRPC_OVERRIDE {
     cq_ = cq;
@@ -314,7 +314,7 @@ class ClientRpcContextStreamingImpl : public ClientRpcContext {
           if (!ok) {
             return false;
           }
-          start_ = Timer::Now();
+          start_ = UsageTimer::Now();
           next_state_ = State::WRITE_DONE;
           stream_->Write(req_, ClientRpcContext::tag(this));
           return true;
@@ -327,7 +327,7 @@ class ClientRpcContextStreamingImpl : public ClientRpcContext {
           return true;
           break;
         case State::READ_DONE:
-          hist->Add((Timer::Now() - start_) * 1e9);
+          hist->Add((UsageTimer::Now() - start_) * 1e9);
           callback_(status_, &response_);
           next_state_ = State::STREAM_IDLE;
           break;  // loop around
@@ -360,10 +360,10 @@ class ClientRpcContextStreamingImpl : public ClientRpcContext {
   State next_state_;
   std::function<void(grpc::Status, ResponseType*)> callback_;
   std::function<gpr_timespec()> next_issue_;
-  std::function<
-      std::unique_ptr<grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>(
-          BenchmarkService::Stub*, grpc::ClientContext*, CompletionQueue*,
-          void*)> start_req_;
+  std::function<std::unique_ptr<
+      grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>(
+      BenchmarkService::Stub*, grpc::ClientContext*, CompletionQueue*, void*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>
@@ -415,8 +415,7 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
         next_state_(State::INVALID),
         callback_(on_done),
         next_issue_(next_issue),
-        start_req_(start_req),
-        start_(Timer::Now()) {}
+        start_req_(start_req) {}
   ~ClientRpcContextGenericStreamingImpl() GRPC_OVERRIDE {}
   void Start(CompletionQueue* cq) GRPC_OVERRIDE {
     cq_ = cq;
@@ -445,7 +444,7 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
           if (!ok) {
             return false;
           }
-          start_ = Timer::Now();
+          start_ = UsageTimer::Now();
           next_state_ = State::WRITE_DONE;
           stream_->Write(req_, ClientRpcContext::tag(this));
           return true;
@@ -458,7 +457,7 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
           return true;
           break;
         case State::READ_DONE:
-          hist->Add((Timer::Now() - start_) * 1e9);
+          hist->Add((UsageTimer::Now() - start_) * 1e9);
           callback_(status_, &response_);
           next_state_ = State::STREAM_IDLE;
           break;  // loop around
@@ -493,7 +492,8 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
   std::function<gpr_timespec()> next_issue_;
   std::function<std::unique_ptr<grpc::GenericClientAsyncReaderWriter>(
       grpc::GenericStub*, grpc::ClientContext*, const grpc::string&,
-      CompletionQueue*, void*)> start_req_;
+      CompletionQueue*, void*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::GenericClientAsyncReaderWriter> stream_;
diff --git a/test/cpp/qps/client_sync.cc b/test/cpp/qps/client_sync.cc
index edfc246a25..fb161f70ee 100644
--- a/test/cpp/qps/client_sync.cc
+++ b/test/cpp/qps/client_sync.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,12 +53,12 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/cpp/qps/client.h"
 #include "test/cpp/qps/histogram.h"
 #include "test/cpp/qps/interarrival.h"
-#include "test/cpp/qps/timer.h"
+#include "test/cpp/qps/usage_timer.h"
 
 namespace grpc {
 namespace testing {
@@ -104,12 +104,12 @@ class SynchronousUnaryClient GRPC_FINAL : public SynchronousClient {
   bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE {
     WaitToIssue(thread_idx);
     auto* stub = channels_[thread_idx % channels_.size()].get_stub();
-    double start = Timer::Now();
+    double start = UsageTimer::Now();
     GPR_TIMER_SCOPE("SynchronousUnaryClient::ThreadFunc", 0);
     grpc::ClientContext context;
     grpc::Status s =
         stub->UnaryCall(&context, request_, &responses_[thread_idx]);
-    histogram->Add((Timer::Now() - start) * 1e9);
+    histogram->Add((UsageTimer::Now() - start) * 1e9);
     return s.ok();
   }
 };
@@ -143,10 +143,10 @@ class SynchronousStreamingClient GRPC_FINAL : public SynchronousClient {
   bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE {
     WaitToIssue(thread_idx);
     GPR_TIMER_SCOPE("SynchronousStreamingClient::ThreadFunc", 0);
-    double start = Timer::Now();
+    double start = UsageTimer::Now();
     if (stream_[thread_idx]->Write(request_) &&
         stream_[thread_idx]->Read(&responses_[thread_idx])) {
-      histogram->Add((Timer::Now() - start) * 1e9);
+      histogram->Add((UsageTimer::Now() - start) * 1e9);
       return true;
     }
     return false;
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index 1c7fdf8796..2583ceb819 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,16 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+#include <gtest/gtest.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/histogram.h"
 #include "test/cpp/qps/qps_worker.h"
+#include "test/cpp/qps/stats.h"
 
 using std::list;
 using std::thread;
@@ -114,17 +116,56 @@ static deque<string> get_workers(const string& name) {
   }
 }
 
+// helpers for postprocess_scenario_result
+static double WallTime(ClientStats s) { return s.time_elapsed(); }
+static double SystemTime(ClientStats s) { return s.time_system(); }
+static double UserTime(ClientStats s) { return s.time_user(); }
+static double ServerWallTime(ServerStats s) { return s.time_elapsed(); }
+static double ServerSystemTime(ServerStats s) { return s.time_system(); }
+static double ServerUserTime(ServerStats s) { return s.time_user(); }
+static int Cores(int n) { return n; }
+
+// Postprocess ScenarioResult and populate result summary.
+static void postprocess_scenario_result(ScenarioResult* result) {
+  Histogram histogram;
+  histogram.MergeProto(result->latencies());
+
+  auto qps = histogram.Count() / average(result->client_stats(), WallTime);
+  auto qps_per_server_core = qps / sum(result->server_cores(), Cores);
+
+  result->mutable_summary()->set_qps(qps);
+  result->mutable_summary()->set_qps_per_server_core(qps_per_server_core);
+  result->mutable_summary()->set_latency_50(histogram.Percentile(50));
+  result->mutable_summary()->set_latency_90(histogram.Percentile(90));
+  result->mutable_summary()->set_latency_95(histogram.Percentile(95));
+  result->mutable_summary()->set_latency_99(histogram.Percentile(99));
+  result->mutable_summary()->set_latency_999(histogram.Percentile(99.9));
+
+  auto server_system_time = 100.0 *
+                            sum(result->server_stats(), ServerSystemTime) /
+                            sum(result->server_stats(), ServerWallTime);
+  auto server_user_time = 100.0 * sum(result->server_stats(), ServerUserTime) /
+                          sum(result->server_stats(), ServerWallTime);
+  auto client_system_time = 100.0 * sum(result->client_stats(), SystemTime) /
+                            sum(result->client_stats(), WallTime);
+  auto client_user_time = 100.0 * sum(result->client_stats(), UserTime) /
+                          sum(result->client_stats(), WallTime);
+
+  result->mutable_summary()->set_server_system_time(server_system_time);
+  result->mutable_summary()->set_server_user_time(server_user_time);
+  result->mutable_summary()->set_client_system_time(client_system_time);
+  result->mutable_summary()->set_client_user_time(client_user_time);
+}
+
 // Namespace for classes and functions used only in RunScenario
 // Using this rather than local definitions to workaround gcc-4.4 limitations
 // regarding using templates without linkage
 namespace runsc {
 
 // ClientContext allocator
-template <class T>
-static ClientContext* AllocContext(list<ClientContext>* contexts, T deadline) {
+static ClientContext* AllocContext(list<ClientContext>* contexts) {
   contexts->emplace_back();
   auto context = &contexts->back();
-  context->set_deadline(deadline);
   return context;
 }
 
@@ -196,9 +237,6 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // Trim to just what we need
   workers.resize(num_clients + num_servers);
 
-  gpr_timespec deadline =
-      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(warmup_seconds + benchmark_seconds + 20);
-
   // Start servers
   using runsc::ServerData;
   // servers is array rather than std::vector to avoid gcc-4.4 issues
@@ -248,7 +286,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
     ServerArgs args;
     *args.mutable_setup() = server_config;
     servers[i].stream =
-        servers[i].stub->RunServer(runsc::AllocContext(&contexts, deadline));
+        servers[i].stub->RunServer(runsc::AllocContext(&contexts));
     GPR_ASSERT(servers[i].stream->Write(args));
     ServerStatus init_status;
     GPR_ASSERT(servers[i].stream->Read(&init_status));
@@ -304,7 +342,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
     ClientArgs args;
     *args.mutable_setup() = per_client_config;
     clients[i].stream =
-        clients[i].stub->RunClient(runsc::AllocContext(&contexts, deadline));
+        clients[i].stub->RunClient(runsc::AllocContext(&contexts));
     GPR_ASSERT(clients[i].stream->Write(args));
     ClientStatus init_status;
     GPR_ASSERT(clients[i].stream->Read(&init_status));
@@ -342,44 +380,50 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // Use gpr_sleep_until rather than this_thread::sleep_until to support
   // compilers that don't work with this_thread
   gpr_sleep_until(gpr_time_add(
-      start, gpr_time_from_seconds(benchmark_seconds, GPR_TIMESPAN)));
+      start,
+      gpr_time_from_seconds(warmup_seconds + benchmark_seconds, GPR_TIMESPAN)));
 
   // Finish a run
   std::unique_ptr<ScenarioResult> result(new ScenarioResult);
-  result->client_config = result_client_config;
-  result->server_config = result_server_config;
-  gpr_log(GPR_INFO, "Finishing");
-  for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
-    GPR_ASSERT(server->stream->Write(server_mark));
-  }
+  Histogram merged_latencies;
+
+  gpr_log(GPR_INFO, "Finishing clients");
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
     GPR_ASSERT(client->stream->Write(client_mark));
-  }
-  for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
-    GPR_ASSERT(server->stream->Read(&server_status));
-    const auto& stats = server_status.stats();
-    result->server_resources.emplace_back(
-        stats.time_elapsed(), stats.time_user(), stats.time_system(),
-        server_status.cores());
+    GPR_ASSERT(client->stream->WritesDone());
   }
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
     GPR_ASSERT(client->stream->Read(&client_status));
     const auto& stats = client_status.stats();
-    result->latencies.MergeProto(stats.latencies());
-    result->client_resources.emplace_back(
-        stats.time_elapsed(), stats.time_user(), stats.time_system(), -1);
+    merged_latencies.MergeProto(stats.latencies());
+    result->add_client_stats()->CopyFrom(stats);
+    GPR_ASSERT(!client->stream->Read(&client_status));
   }
-
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
-    GPR_ASSERT(client->stream->WritesDone());
     GPR_ASSERT(client->stream->Finish().ok());
   }
+  delete[] clients;
+
+  merged_latencies.FillProto(result->mutable_latencies());
+
+  gpr_log(GPR_INFO, "Finishing servers");
   for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
+    GPR_ASSERT(server->stream->Write(server_mark));
     GPR_ASSERT(server->stream->WritesDone());
+  }
+  for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
+    GPR_ASSERT(server->stream->Read(&server_status));
+    result->add_server_stats()->CopyFrom(server_status.stats());
+    result->add_server_cores(server_status.cores());
+    GPR_ASSERT(!server->stream->Read(&server_status));
+  }
+  for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
     GPR_ASSERT(server->stream->Finish().ok());
   }
-  delete[] clients;
+
   delete[] servers;
+
+  postprocess_scenario_result(result.get());
   return result;
 }
 
diff --git a/test/cpp/qps/driver.h b/test/cpp/qps/driver.h
index 3af61f7391..3a5cf138f1 100644
--- a/test/cpp/qps/driver.h
+++ b/test/cpp/qps/driver.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,34 +36,11 @@
 
 #include <memory>
 
-#include "test/cpp/qps/histogram.h"
 #include "src/proto/grpc/testing/control.grpc.pb.h"
+#include "test/cpp/qps/histogram.h"
 
 namespace grpc {
 namespace testing {
-class ResourceUsage {
- public:
-  ResourceUsage(double w, double u, double s, int c)
-      : wall_time_(w), user_time_(u), system_time_(s), cores_(c) {}
-  double wall_time() const { return wall_time_; }
-  double user_time() const { return user_time_; }
-  double system_time() const { return system_time_; }
-  int cores() const { return cores_; }
-
- private:
-  double wall_time_;
-  double user_time_;
-  double system_time_;
-  int cores_;
-};
-
-struct ScenarioResult {
-  Histogram latencies;
-  std::vector<ResourceUsage> client_resources;
-  std::vector<ResourceUsage> server_resources;
-  ClientConfig client_config;
-  ServerConfig server_config;
-};
 
 std::unique_ptr<ScenarioResult> RunScenario(
     const grpc::testing::ClientConfig& client_config, size_t num_clients,
diff --git a/test/cpp/qps/gen_build_yaml.py b/test/cpp/qps/gen_build_yaml.py
new file mode 100755
index 0000000000..9d6bf2ab73
--- /dev/null
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import json
+import pipes
+import shutil
+import sys
+import os
+import yaml
+
+run_tests_root = os.path.abspath(os.path.join(
+    os.path.dirname(sys.argv[0]),
+    '../../../tools/run_tests'))
+sys.path.append(run_tests_root)
+
+import performance.scenario_config as scenario_config
+
+print yaml.dump({
+  'tests': [
+    {
+      'name': 'json_run_localhost',
+      'shortname': 'json_run_localhost:%s' % js['name'],
+      'args': ['--scenario_json', pipes.quote(json.dumps(js))],
+      'ci_platforms': ['linux', 'mac', 'posix', 'windows'],
+      'platforms': ['linux', 'mac', 'posix', 'windows'],
+      'flaky': False,
+      'language': 'c++',
+      'boringssl': True,
+      'defaults': 'boringssl',
+      'cpu_cost': 1000.0,
+      'exclude_configs': []
+    }
+    for js in scenario_config.CXXLanguage().scenarios()
+  ]
+})
diff --git a/test/cpp/qps/generic_async_streaming_ping_pong_test.cc b/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
index d9166ae210..ea373ece84 100644
--- a/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunGenericAsyncStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Generic Async Streaming Ping Pong");
@@ -62,6 +62,7 @@ static void RunGenericAsyncStreamingPingPong() {
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_GENERIC_SERVER);
   server_config.set_async_server_threads(1);
+  *server_config.mutable_payload_config() = client_config.payload_config();
 
   const auto result =
       RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
diff --git a/test/cpp/qps/interarrival.h b/test/cpp/qps/interarrival.h
index b6fd67b77c..0cc78533ce 100644
--- a/test/cpp/qps/interarrival.h
+++ b/test/cpp/qps/interarrival.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/surface/server_create.c b/test/cpp/qps/json_run_localhost.cc
index 5e37e80948..6545dc2917 100644
--- a/src/core/surface/server_create.c
+++ b/test/cpp/qps/json_run_localhost.cc
@@ -31,18 +31,56 @@
  *
  */
 
-#include <grpc/grpc.h>
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/server.h"
-
-grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) {
-  const grpc_channel_filter *filters[3];
-  size_t num_filters = 0;
-  filters[num_filters++] = &grpc_compress_filter;
-  GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved));
-  return grpc_server_create_from_filters(filters, num_filters, args);
+#include <memory>
+#include <sstream>
+#include <string>
+
+#include <grpc/support/log.h>
+
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port.h"
+#include "test/cpp/util/subprocess.h"
+
+using grpc::SubProcess;
+
+template <class T>
+std::string as_string(const T& val) {
+  std::ostringstream out;
+  out << val;
+  return out.str();
+}
+
+int main(int argc, char** argv) {
+  typedef std::unique_ptr<SubProcess> SubProcessPtr;
+  std::vector<SubProcessPtr> jobs;
+
+  std::string my_bin = argv[0];
+  std::string bin_dir = my_bin.substr(0, my_bin.rfind('/'));
+
+  std::ostringstream env;
+  bool first = true;
+
+  for (int i = 0; i < 2; i++) {
+    auto port = grpc_pick_unused_port_or_die();
+    std::vector<std::string> args = {bin_dir + "/qps_worker", "-driver_port",
+                                     as_string(port)};
+    jobs.emplace_back(new SubProcess(args));
+    if (!first) env << ",";
+    env << "localhost:" << port;
+    first = false;
+  }
+
+  gpr_setenv("QPS_WORKERS", env.str().c_str());
+  std::vector<std::string> args = {bin_dir + "/qps_json_driver"};
+  for (int i = 1; i < argc; i++) {
+    args.push_back(argv[i]);
+  }
+  SubProcess(args).Join();
+
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Interrupt();
+  }
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Join();
+  }
 }
diff --git a/test/cpp/qps/limit_cores.cc b/test/cpp/qps/limit_cores.cc
index fad9a323af..59ed369067 100644
--- a/test/cpp/qps/limit_cores.cc
+++ b/test/cpp/qps/limit_cores.cc
@@ -37,14 +37,15 @@
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
-namespace grpc {
-namespace testing {
-
 #ifdef GPR_CPU_LINUX
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE
 #endif
 #include <sched.h>
+
+namespace grpc {
+namespace testing {
+
 int LimitCores(const int* cores, int cores_size) {
   const int num_cores = gpr_cpu_num_cores();
   int cores_set = 0;
@@ -71,9 +72,16 @@ int LimitCores(const int* cores, int cores_size) {
   CPU_FREE(cpup);
   return cores_set;
 }
+
+}  // namespace testing
+}  // namespace grpc
 #else
+namespace grpc {
+namespace testing {
+
 // LimitCores is not currently supported for non-Linux platforms
 int LimitCores(const int*, int) { return gpr_cpu_num_cores(); }
-#endif
+
 }  // namespace testing
 }  // namespace grpc
+#endif
diff --git a/test/cpp/qps/perf_db_client.h b/test/cpp/qps/perf_db_client.h
index ece020aa9b..b74c70d86b 100644
--- a/test/cpp/qps/perf_db_client.h
+++ b/test/cpp/qps/perf_db_client.h
@@ -31,17 +31,17 @@
  *
  */
 
+#include <cfloat>
 #include <iostream>
 #include <memory>
 #include <string>
-#include <cfloat>
 
-#include <grpc/grpc.h>
-#include <grpc++/support/channel_arguments.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
+#include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc.h>
 #include "src/proto/grpc/testing/perf_db.grpc.pb.h"
 
 namespace grpc {
diff --git a/test/cpp/qps/qps-sweep.sh b/test/cpp/qps/qps-sweep.sh
index 7a35788849..8f7fb92772 100755
--- a/test/cpp/qps/qps-sweep.sh
+++ b/test/cpp/qps/qps-sweep.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -72,7 +72,7 @@ for secure in true false; do
     --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
     --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
     --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 |& tee /tmp/qps-test.$$
+    --num_servers=1 --num_clients=0 2>&1 | tee /tmp/qps-test.$$
 
   # Scenario 2b: QPS with a single server core
   "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
diff --git a/test/cpp/qps/qps_driver.cc b/test/cpp/qps/qps_driver.cc
index 69fb4d75e8..608181f77f 100644
--- a/test/cpp/qps/qps_driver.cc
+++ b/test/cpp/qps/qps_driver.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -85,7 +85,6 @@ using grpc::testing::ServerConfig;
 using grpc::testing::ClientType;
 using grpc::testing::ServerType;
 using grpc::testing::RpcType;
-using grpc::testing::ResourceUsage;
 using grpc::testing::SecurityParams;
 
 namespace grpc {
@@ -171,6 +170,10 @@ static void QpsDriver() {
     server_config.set_core_limit(FLAGS_server_core_limit);
   }
 
+  if (FLAGS_bbuf_resp_size >= 0) {
+    *server_config.mutable_payload_config() = client_config.payload_config();
+  }
+
   if (FLAGS_secure_test) {
     // Set up security params
     SecurityParams security;
diff --git a/test/cpp/qps/qps_interarrival_test.cc b/test/cpp/qps/qps_interarrival_test.cc
index 77e81fb84b..48585af756 100644
--- a/test/cpp/qps/qps_interarrival_test.cc
+++ b/test/cpp/qps/qps_interarrival_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/qps_json_driver.cc b/test/cpp/qps/qps_json_driver.cc
new file mode 100644
index 0000000000..e9266a5711
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver.cc
@@ -0,0 +1,131 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <memory>
+#include <set>
+
+#include <google/protobuf/util/json_util.h>
+#include <google/protobuf/util/type_resolver_util.h>
+
+#include <gflags/gflags.h>
+#include <grpc/support/log.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+#include "test/cpp/util/benchmark_config.h"
+
+DEFINE_string(scenarios_file, "",
+              "JSON file containing an array of Scenario objects");
+DEFINE_string(scenarios_json, "",
+              "JSON string containing an array of Scenario objects");
+
+namespace grpc {
+namespace testing {
+
+static void QpsDriver() {
+  grpc::string json;
+
+  if (FLAGS_scenarios_file != "") {
+    if (FLAGS_scenarios_json != "") {
+      gpr_log(GPR_ERROR,
+              "Only one of --scenarios_file or --scenarios_json must be set");
+      abort();
+    }
+    // Read the json data from disk
+    FILE *json_file = fopen(FLAGS_scenarios_file.c_str(), "r");
+    GPR_ASSERT(json_file != NULL);
+    fseek(json_file, 0, SEEK_END);
+    long len = ftell(json_file);
+    char *data = new char[len];
+    fseek(json_file, 0, SEEK_SET);
+    GPR_ASSERT(len == (long)fread(data, 1, len, json_file));
+    fclose(json_file);
+    json = grpc::string(data, data + len);
+    delete[] data;
+  } else if (FLAGS_scenarios_json != "") {
+    json = FLAGS_scenarios_json.c_str();
+  } else {
+    gpr_log(GPR_ERROR,
+            "One of --scenarios_file or --scenarios_json must be set");
+    abort();
+  }
+
+  // Parse into an array of scenarios
+  Scenarios scenarios;
+  std::unique_ptr<google::protobuf::util::TypeResolver> type_resolver(
+      google::protobuf::util::NewTypeResolverForDescriptorPool(
+          "type.googleapis.com",
+          google::protobuf::DescriptorPool::generated_pool()));
+  grpc::string binary;
+  auto status = JsonToBinaryString(type_resolver.get(),
+                                   "type.googleapis.com/grpc.testing.Scenarios",
+                                   json, &binary);
+  if (!status.ok()) {
+    grpc::string msg(status.error_message());
+    gpr_log(GPR_ERROR, "Failed to convert json to binary: errcode=%d msg=%s",
+            status.error_code(), msg.c_str());
+    gpr_log(GPR_ERROR, "JSON: ", json.c_str());
+    abort();
+  }
+  GPR_ASSERT(scenarios.ParseFromString(binary));
+
+  for (int i = 0; i < scenarios.scenarios_size(); i++) {
+    const Scenario &scenario = scenarios.scenarios(i);
+    std::cerr << "RUNNING SCENARIO: " << scenario.name() << "\n";
+    auto result =
+        RunScenario(scenario.client_config(), scenario.num_clients(),
+                    scenario.server_config(), scenario.num_servers(),
+                    scenario.warmup_seconds(), scenario.benchmark_seconds(),
+                    scenario.spawn_local_worker_count());
+
+    // Amend the result with scenario config. Eventually we should adjust
+    // RunScenario contract so we don't need to touch the result here.
+    result->mutable_scenario()->CopyFrom(scenario);
+
+    GetReporter()->ReportQPS(*result);
+    GetReporter()->ReportQPSPerCore(*result);
+    GetReporter()->ReportLatency(*result);
+    GetReporter()->ReportTimes(*result);
+  }
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+  grpc::testing::InitBenchmark(&argc, &argv, true);
+
+  grpc::testing::QpsDriver();
+
+  return 0;
+}
diff --git a/test/cpp/qps/qps_openloop_test.cc b/test/cpp/qps/qps_openloop_test.cc
index 0ac41d9f96..8dc50ac6d8 100644
--- a/test/cpp/qps/qps_openloop_test.cc
+++ b/test/cpp/qps/qps_openloop_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 
 #include <grpc/support/log.h>
 
+#include "test/core/util/test_config.h"
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/report.h"
 #include "test/cpp/util/benchmark_config.h"
@@ -43,7 +44,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunQPS() {
   gpr_log(GPR_INFO, "Running QPS test, open-loop");
@@ -55,11 +56,11 @@ static void RunQPS() {
   client_config.set_async_client_threads(8);
   client_config.set_rpc_type(STREAMING);
   client_config.mutable_load_params()->mutable_poisson()->set_offered_load(
-      1000.0);
+      1000.0 / GRPC_TEST_SLOWDOWN_FACTOR);
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
-  server_config.set_async_server_threads(4);
+  server_config.set_async_server_threads(8);
 
   const auto result =
       RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
diff --git a/test/cpp/qps/qps_test.cc b/test/cpp/qps/qps_test.cc
index 27aaf137f6..c3e72d9b17 100644
--- a/test/cpp/qps/qps_test.cc
+++ b/test/cpp/qps/qps_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 20;
-static const int BENCHMARK = 40;
+static const int BENCHMARK = 20;
 
 static void RunQPS() {
   gpr_log(GPR_INFO, "Running QPS test");
diff --git a/test/cpp/qps/qps_test_with_poll.cc b/test/cpp/qps/qps_test_with_poll.cc
index 8340a6386a..c64e6c9d49 100644
--- a/test/cpp/qps/qps_test_with_poll.cc
+++ b/test/cpp/qps/qps_test_with_poll.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
 #include "test/cpp/util/benchmark_config.h"
 
 extern "C" {
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/pollset_posix.h"
 }
 
 namespace grpc {
diff --git a/test/cpp/qps/qps_worker.cc b/test/cpp/qps/qps_worker.cc
index 9442017ddf..f514e23e85 100644
--- a/test/cpp/qps/qps_worker.cc
+++ b/test/cpp/qps/qps_worker.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -101,6 +101,19 @@ static std::unique_ptr<Server> CreateServer(const ServerConfig& config) {
   abort();
 }
 
+class ScopedProfile GRPC_FINAL {
+ public:
+  ScopedProfile(const char* filename, bool enable) : enable_(enable) {
+    if (enable_) grpc_profiler_start(filename);
+  }
+  ~ScopedProfile() {
+    if (enable_) grpc_profiler_stop();
+  }
+
+ private:
+  const bool enable_;
+};
+
 class WorkerServiceImpl GRPC_FINAL : public WorkerService::Service {
  public:
   WorkerServiceImpl(int server_port, QpsWorker* worker)
@@ -114,9 +127,8 @@ class WorkerServiceImpl GRPC_FINAL : public WorkerService::Service {
       return Status(StatusCode::RESOURCE_EXHAUSTED, "");
     }
 
-    grpc_profiler_start("qps_client.prof");
+    ScopedProfile profile("qps_client.prof", false);
     Status ret = RunClientBody(ctx, stream);
-    grpc_profiler_stop();
     return ret;
   }
 
@@ -128,9 +140,8 @@ class WorkerServiceImpl GRPC_FINAL : public WorkerService::Service {
       return Status(StatusCode::RESOURCE_EXHAUSTED, "");
     }
 
-    grpc_profiler_start("qps_server.prof");
+    ScopedProfile profile("qps_server.prof", false);
     Status ret = RunServerBody(ctx, stream);
-    grpc_profiler_stop();
     return ret;
   }
 
diff --git a/test/cpp/qps/qps_worker.h b/test/cpp/qps/qps_worker.h
index 624c182100..7f04c92cae 100644
--- a/test/cpp/qps/qps_worker.h
+++ b/test/cpp/qps/qps_worker.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/report.cc b/test/cpp/qps/report.cc
index b230eb441e..3ae41399cf 100644
--- a/test/cpp/qps/report.cc
+++ b/test/cpp/qps/report.cc
@@ -33,6 +33,11 @@
 
 #include "test/cpp/qps/report.h"
 
+#include <fstream>
+
+#include <google/protobuf/util/json_util.h>
+#include <google/protobuf/util/type_resolver_util.h>
+
 #include <grpc/support/log.h>
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/stats.h"
@@ -40,11 +45,6 @@
 namespace grpc {
 namespace testing {
 
-static double WallTime(ResourceUsage u) { return u.wall_time(); }
-static double UserTime(ResourceUsage u) { return u.user_time(); }
-static double SystemTime(ResourceUsage u) { return u.system_time(); }
-static int Cores(ResourceUsage u) { return u.cores(); }
-
 void CompositeReporter::add(std::unique_ptr<Reporter> reporter) {
   reporters_.emplace_back(std::move(reporter));
 }
@@ -74,102 +74,63 @@ void CompositeReporter::ReportTimes(const ScenarioResult& result) {
 }
 
 void GprLogReporter::ReportQPS(const ScenarioResult& result) {
-  gpr_log(
-      GPR_INFO, "QPS: %.1f",
-      result.latencies.Count() / average(result.client_resources, WallTime));
+  gpr_log(GPR_INFO, "QPS: %.1f", result.summary().qps());
 }
 
 void GprLogReporter::ReportQPSPerCore(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  gpr_log(GPR_INFO, "QPS: %.1f (%.1f/server core)", qps,
-          qps / sum(result.server_resources, Cores));
+  gpr_log(GPR_INFO, "QPS: %.1f (%.1f/server core)", result.summary().qps(),
+          result.summary().qps_per_server_core());
 }
 
 void GprLogReporter::ReportLatency(const ScenarioResult& result) {
   gpr_log(GPR_INFO,
           "Latencies (50/90/95/99/99.9%%-ile): %.1f/%.1f/%.1f/%.1f/%.1f us",
-          result.latencies.Percentile(50) / 1000,
-          result.latencies.Percentile(90) / 1000,
-          result.latencies.Percentile(95) / 1000,
-          result.latencies.Percentile(99) / 1000,
-          result.latencies.Percentile(99.9) / 1000);
+          result.summary().latency_50() / 1000,
+          result.summary().latency_90() / 1000,
+          result.summary().latency_95() / 1000,
+          result.summary().latency_99() / 1000,
+          result.summary().latency_999() / 1000);
 }
 
 void GprLogReporter::ReportTimes(const ScenarioResult& result) {
   gpr_log(GPR_INFO, "Server system time: %.2f%%",
-          100.0 * sum(result.server_resources, SystemTime) /
-              sum(result.server_resources, WallTime));
+          result.summary().server_system_time());
   gpr_log(GPR_INFO, "Server user time:   %.2f%%",
-          100.0 * sum(result.server_resources, UserTime) /
-              sum(result.server_resources, WallTime));
+          result.summary().server_user_time());
   gpr_log(GPR_INFO, "Client system time: %.2f%%",
-          100.0 * sum(result.client_resources, SystemTime) /
-              sum(result.client_resources, WallTime));
+          result.summary().client_system_time());
   gpr_log(GPR_INFO, "Client user time:   %.2f%%",
-          100.0 * sum(result.client_resources, UserTime) /
-              sum(result.client_resources, WallTime));
+          result.summary().client_user_time());
 }
 
-void PerfDbReporter::ReportQPS(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  perf_db_client_.setQps(qps);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportQPS(const ScenarioResult& result) {
+  std::unique_ptr<google::protobuf::util::TypeResolver> type_resolver(
+      google::protobuf::util::NewTypeResolverForDescriptorPool(
+          "type.googleapis.com",
+          google::protobuf::DescriptorPool::generated_pool()));
+  grpc::string binary;
+  grpc::string json_string;
+  result.SerializeToString(&binary);
+  auto status = BinaryToJsonString(
+      type_resolver.get(), "type.googleapis.com/grpc.testing.ScenarioResult",
+      binary, &json_string);
+  GPR_ASSERT(status.ok());
+
+  std::ofstream output_file(report_file_);
+  output_file << json_string;
+  output_file.close();
 }
 
-void PerfDbReporter::ReportQPSPerCore(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  auto qps_per_core = qps / sum(result.server_resources, Cores);
-
-  perf_db_client_.setQps(qps);
-  perf_db_client_.setQpsPerCore(qps_per_core);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
-}
-
-void PerfDbReporter::ReportLatency(const ScenarioResult& result) {
-  perf_db_client_.setLatencies(result.latencies.Percentile(50) / 1000,
-                               result.latencies.Percentile(90) / 1000,
-                               result.latencies.Percentile(95) / 1000,
-                               result.latencies.Percentile(99) / 1000,
-                               result.latencies.Percentile(99.9) / 1000);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportQPSPerCore(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
-void PerfDbReporter::ReportTimes(const ScenarioResult& result) {
-  const double server_system_time = 100.0 *
-                                    sum(result.server_resources, SystemTime) /
-                                    sum(result.server_resources, WallTime);
-  const double server_user_time = 100.0 *
-                                  sum(result.server_resources, UserTime) /
-                                  sum(result.server_resources, WallTime);
-  const double client_system_time = 100.0 *
-                                    sum(result.client_resources, SystemTime) /
-                                    sum(result.client_resources, WallTime);
-  const double client_user_time = 100.0 *
-                                  sum(result.client_resources, UserTime) /
-                                  sum(result.client_resources, WallTime);
-
-  perf_db_client_.setTimes(server_system_time, server_user_time,
-                           client_system_time, client_user_time);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportLatency(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
-void PerfDbReporter::SendData() {
-  // send data to performance database
-  bool data_state =
-      perf_db_client_.sendData(hashed_id_, test_name_, sys_info_, tag_);
-
-  // check state of data sending
-  if (data_state) {
-    gpr_log(GPR_INFO, "Data sent to performance database successfully");
-  } else {
-    gpr_log(GPR_INFO, "Data could not be sent to performance database");
-  }
+void JsonReporter::ReportTimes(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
 }  // namespace testing
diff --git a/test/cpp/qps/report.h b/test/cpp/qps/report.h
index 5caf3fe69a..8f04d84124 100644
--- a/test/cpp/qps/report.h
+++ b/test/cpp/qps/report.h
@@ -104,33 +104,19 @@ class GprLogReporter : public Reporter {
   void ReportTimes(const ScenarioResult& result) GRPC_OVERRIDE;
 };
 
-/** Reporter for performance database tool */
-class PerfDbReporter : public Reporter {
+/** Dumps the report to a JSON file. */
+class JsonReporter : public Reporter {
  public:
-  PerfDbReporter(const string& name, const string& hashed_id,
-                 const string& test_name, const string& sys_info,
-                 const string& server_address, const string& tag)
-      : Reporter(name),
-        hashed_id_(hashed_id),
-        test_name_(test_name),
-        sys_info_(sys_info),
-        tag_(tag) {
-    perf_db_client_.init(grpc::CreateChannel(
-        server_address, grpc::InsecureChannelCredentials()));
-  }
-  ~PerfDbReporter() GRPC_OVERRIDE { SendData(); };
+  JsonReporter(const string& name, const string& report_file)
+      : Reporter(name), report_file_(report_file) {}
 
  private:
-  PerfDbClient perf_db_client_;
-  std::string hashed_id_;
-  std::string test_name_;
-  std::string sys_info_;
-  std::string tag_;
   void ReportQPS(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportQPSPerCore(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportLatency(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportTimes(const ScenarioResult& result) GRPC_OVERRIDE;
-  void SendData();
+
+  const string report_file_;
 };
 
 }  // namespace testing
diff --git a/test/cpp/qps/secure_sync_unary_ping_pong_test.cc b/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
index 359310b856..d0c47d102a 100644
--- a/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
+++ b/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
diff --git a/test/cpp/qps/server.h b/test/cpp/qps/server.h
index 94a6f8acfa..e8bc396696 100644
--- a/test/cpp/qps/server.h
+++ b/test/cpp/qps/server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,14 @@
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
 #include "test/cpp/qps/limit_cores.h"
-#include "test/cpp/qps/timer.h"
+#include "test/cpp/qps/usage_timer.h"
 
 namespace grpc {
 namespace testing {
 
 class Server {
  public:
-  explicit Server(const ServerConfig& config) : timer_(new Timer) {
+  explicit Server(const ServerConfig& config) : timer_(new UsageTimer) {
     cores_ = LimitCores(config.core_list().data(), config.core_list_size());
     if (config.port()) {
       port_ = config.port();
@@ -62,9 +62,9 @@ class Server {
   virtual ~Server() {}
 
   ServerStats Mark(bool reset) {
-    Timer::Result timer_result;
+    UsageTimer::Result timer_result;
     if (reset) {
-      std::unique_ptr<Timer> timer(new Timer);
+      std::unique_ptr<UsageTimer> timer(new UsageTimer);
       timer.swap(timer_);
       timer_result = timer->Mark();
     } else {
@@ -108,7 +108,7 @@ class Server {
  private:
   int port_;
   int cores_;
-  std::unique_ptr<Timer> timer_;
+  std::unique_ptr<UsageTimer> timer_;
 };
 
 std::unique_ptr<Server> CreateSynchronousServer(const ServerConfig& config);
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index 2024e0bfef..a68f1ae7b6 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -130,8 +130,7 @@ class AsyncQpsServerTest : public Server {
     }
   }
   ~AsyncQpsServerTest() {
-    auto deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
-    server_->Shutdown(deadline);
+    server_->Shutdown();
     for (auto ss = shutdown_state_.begin(); ss != shutdown_state_.end(); ++ss) {
       (*ss)->set_shutdown();
     }
@@ -388,12 +387,14 @@ static Status ProcessGenericRPC(const PayloadConfig &payload_config,
 }
 
 std::unique_ptr<Server> CreateAsyncServer(const ServerConfig &config) {
-  return std::unique_ptr<Server>(new AsyncQpsServerTest<
-      SimpleRequest, SimpleResponse, BenchmarkService::AsyncService,
-      grpc::ServerContext>(
-      config, RegisterBenchmarkService,
-      &BenchmarkService::AsyncService::RequestUnaryCall,
-      &BenchmarkService::AsyncService::RequestStreamingCall, ProcessSimpleRPC));
+  return std::unique_ptr<Server>(
+      new AsyncQpsServerTest<SimpleRequest, SimpleResponse,
+                             BenchmarkService::AsyncService,
+                             grpc::ServerContext>(
+          config, RegisterBenchmarkService,
+          &BenchmarkService::AsyncService::RequestUnaryCall,
+          &BenchmarkService::AsyncService::RequestStreamingCall,
+          ProcessSimpleRPC));
 }
 std::unique_ptr<Server> CreateAsyncGenericServer(const ServerConfig &config) {
   return std::unique_ptr<Server>(
diff --git a/test/cpp/qps/server_sync.cc b/test/cpp/qps/server_sync.cc
index 4b778820d0..9e64f470bf 100644
--- a/test/cpp/qps/server_sync.cc
+++ b/test/cpp/qps/server_sync.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,18 +34,18 @@
 #include <thread>
 
 #include <gflags/gflags.h>
+#include <grpc++/security/server_credentials.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include <grpc++/server.h>
-#include <grpc++/server_builder.h>
-#include <grpc++/server_context.h>
-#include <grpc++/security/server_credentials.h>
 
-#include "test/cpp/qps/server.h"
-#include "test/cpp/qps/timer.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
+#include "test/cpp/qps/server.h"
+#include "test/cpp/qps/usage_timer.h"
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/qps/sync_streaming_ping_pong_test.cc b/test/cpp/qps/sync_streaming_ping_pong_test.cc
index e02c14c926..67c62f4bae 100644
--- a/test/cpp/qps/sync_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/sync_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Streaming Ping Pong");
diff --git a/test/cpp/qps/sync_unary_ping_pong_test.cc b/test/cpp/qps/sync_unary_ping_pong_test.cc
index 9d363c04fb..aa0c0c3013 100644
--- a/test/cpp/qps/sync_unary_ping_pong_test.cc
+++ b/test/cpp/qps/sync_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
diff --git a/test/cpp/qps/timer.cc b/test/cpp/qps/usage_timer.cc
index 3ec7f49f83..ff595b2ba0 100644
--- a/test/cpp/qps/timer.cc
+++ b/test/cpp/qps/usage_timer.cc
@@ -31,15 +31,15 @@
  *
  */
 
-#include "test/cpp/qps/timer.h"
+#include "test/cpp/qps/usage_timer.h"
 
-#include <sys/time.h>
-#include <sys/resource.h>
 #include <grpc/support/time.h>
+#include <sys/resource.h>
+#include <sys/time.h>
 
-Timer::Timer() : start_(Sample()) {}
+UsageTimer::UsageTimer() : start_(Sample()) {}
 
-double Timer::Now() {
+double UsageTimer::Now() {
   auto ts = gpr_now(GPR_CLOCK_REALTIME);
   return ts.tv_sec + 1e-9 * ts.tv_nsec;
 }
@@ -48,7 +48,7 @@ static double time_double(struct timeval* tv) {
   return tv->tv_sec + 1e-6 * tv->tv_usec;
 }
 
-Timer::Result Timer::Sample() {
+UsageTimer::Result UsageTimer::Sample() {
   struct rusage usage;
   struct timeval tv;
   gettimeofday(&tv, NULL);
@@ -61,7 +61,7 @@ Timer::Result Timer::Sample() {
   return r;
 }
 
-Timer::Result Timer::Mark() const {
+UsageTimer::Result UsageTimer::Mark() const {
   Result s = Sample();
   Result r;
   r.wall = s.wall - start_.wall;
diff --git a/test/cpp/qps/timer.h b/test/cpp/qps/usage_timer.h
index d1aee1a9d1..8343cd6653 100644
--- a/test/cpp/qps/timer.h
+++ b/test/cpp/qps/usage_timer.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef TEST_QPS_TIMER_H
-#define TEST_QPS_TIMER_H
+#ifndef TEST_QPS_USAGE_TIMER_H
+#define TEST_QPS_USAGE_TIMER_H
 
-class Timer {
+class UsageTimer {
  public:
-  Timer();
+  UsageTimer();
 
   struct Result {
     double wall;
diff --git a/test/cpp/qps/worker.cc b/test/cpp/qps/worker.cc
index f42cfe3255..2068b7c213 100644
--- a/test/cpp/qps/worker.cc
+++ b/test/cpp/qps/worker.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/util/benchmark_config.cc b/test/cpp/util/benchmark_config.cc
index 3c38221b4c..6fc864069e 100644
--- a/test/cpp/util/benchmark_config.cc
+++ b/test/cpp/util/benchmark_config.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <gflags/gflags.h>
 #include "test/cpp/util/benchmark_config.h"
+#include <gflags/gflags.h>
 
 DEFINE_bool(enable_log_reporter, true,
             "Enable reporting of benchmark results through GprLog");
 
-DEFINE_bool(report_metrics_db, false,
-            "True if metrics to be reported to performance database");
+DEFINE_string(scenario_result_file, "",
+              "Write JSON benchmark report to the file specified.");
 
 DEFINE_string(hashed_id, "", "Hash of the user id");
 
@@ -71,10 +71,9 @@ static std::shared_ptr<Reporter> InitBenchmarkReporters() {
     composite_reporter->add(
         std::unique_ptr<Reporter>(new GprLogReporter("LogReporter")));
   }
-  if (FLAGS_report_metrics_db) {
+  if (FLAGS_scenario_result_file != "") {
     composite_reporter->add(std::unique_ptr<Reporter>(
-        new PerfDbReporter("PerfDbReporter", FLAGS_hashed_id, FLAGS_test_name,
-                           FLAGS_sys_info, FLAGS_server_address, FLAGS_tag)));
+        new JsonReporter("JsonReporter", FLAGS_scenario_result_file)));
   }
 
   return std::shared_ptr<Reporter>(composite_reporter);
diff --git a/test/cpp/util/byte_buffer_test.cc b/test/cpp/util/byte_buffer_test.cc
index f36c32cac5..1167c790d4 100644
--- a/test/cpp/util/byte_buffer_test.cc
+++ b/test/cpp/util/byte_buffer_test.cc
@@ -36,8 +36,8 @@
 #include <cstring>
 #include <vector>
 
-#include <grpc/support/slice.h>
 #include <grpc++/support/slice.h>
+#include <grpc/support/slice.h>
 #include <gtest/gtest.h>
 
 namespace grpc {
@@ -105,6 +105,24 @@ TEST_F(ByteBufferTest, Dump) {
   EXPECT_TRUE(SliceEqual(slices[1], world));
 }
 
+TEST_F(ByteBufferTest, SerializationMakesCopy) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
+  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  std::vector<Slice> slices;
+  slices.push_back(Slice(hello, Slice::STEAL_REF));
+  slices.push_back(Slice(world, Slice::STEAL_REF));
+  grpc_byte_buffer* send_buffer = nullptr;
+  bool owned = false;
+  ByteBuffer buffer(&slices[0], 2);
+  slices.clear();
+  auto status = SerializationTraits<ByteBuffer, void>::Serialize(
+      buffer, &send_buffer, &owned);
+  EXPECT_TRUE(status.ok());
+  EXPECT_TRUE(owned);
+  EXPECT_TRUE(send_buffer != nullptr);
+  grpc_byte_buffer_destroy(send_buffer);
+}
+
 }  // namespace
 }  // namespace grpc
 
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index d452be360d..99fad7f2fe 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 5fdf519320..75e90f824f 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,18 +33,18 @@
 
 #include "test/cpp/util/cli_call.h"
 
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
 #include <gtest/gtest.h>
 
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 using grpc::testing::EchoRequest;
diff --git a/test/cpp/util/create_test_channel.cc b/test/cpp/util/create_test_channel.cc
index 0cd9f9e767..fe8b5d5423 100644
--- a/test/cpp/util/create_test_channel.cc
+++ b/test/cpp/util/create_test_channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,9 @@ namespace grpc {
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots,
-    const std::shared_ptr<CallCredentials>& creds) {
-  ChannelArguments channel_args;
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args) {
+  ChannelArguments channel_args(args);
   if (enable_ssl) {
     const char* roots_certs = use_prod_roots ? "" : test_root_cert;
     SslCredentialsOptions ssl_opts = {roots_certs, "", ""};
@@ -83,6 +84,14 @@ std::shared_ptr<Channel> CreateTestChannel(
 
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds) {
+  return CreateTestChannel(server, override_hostname, enable_ssl,
+                           use_prod_roots, creds, ChannelArguments());
+}
+
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots) {
   return CreateTestChannel(server, override_hostname, enable_ssl,
                            use_prod_roots, std::shared_ptr<CallCredentials>());
diff --git a/test/cpp/util/create_test_channel.h b/test/cpp/util/create_test_channel.h
index b50d653de3..4ff666dc1b 100644
--- a/test/cpp/util/create_test_channel.h
+++ b/test/cpp/util/create_test_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,12 @@ std::shared_ptr<Channel> CreateTestChannel(
     bool enable_ssl, bool use_prod_roots,
     const std::shared_ptr<CallCredentials>& creds);
 
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args);
+
 }  // namespace grpc
 
 #endif  // GRPC_TEST_CPP_UTIL_CREATE_TEST_CHANNEL_H
diff --git a/test/cpp/util/grpc_cli.cc b/test/cpp/util/grpc_cli.cc
index f9b9f0c40a..68cf4114a8 100644
--- a/test/cpp/util/grpc_cli.cc
+++ b/test/cpp/util/grpc_cli.cc
@@ -65,11 +65,11 @@
 #include <sstream>
 
 #include <gflags/gflags.h>
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
 #include <grpc++/support/string_ref.h>
+#include <grpc/grpc.h>
 
 #include "test/cpp/util/cli_call.h"
 #include "test/cpp/util/string_ref_helper.h"
diff --git a/test/cpp/util/metrics_server.cc b/test/cpp/util/metrics_server.cc
index 07978d0bdb..d9b44a6a92 100644
--- a/test/cpp/util/metrics_server.cc
+++ b/test/cpp/util/metrics_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -57,7 +57,7 @@ long Gauge::Get() {
 grpc::Status MetricsServiceImpl::GetAllGauges(
     ServerContext* context, const EmptyMessage* request,
     ServerWriter<GaugeResponse>* writer) {
-  gpr_log(GPR_INFO, "GetAllGauges called");
+  gpr_log(GPR_DEBUG, "GetAllGauges called");
 
   std::lock_guard<std::mutex> lock(mu_);
   for (auto it = gauges_.begin(); it != gauges_.end(); it++) {
diff --git a/test/cpp/util/subprocess.cc b/test/cpp/util/subprocess.cc
index 33f3820a2b..00c6244a4f 100644
--- a/test/cpp/util/subprocess.cc
+++ b/test/cpp/util/subprocess.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,15 +39,15 @@
 
 namespace grpc {
 
-static gpr_subprocess *MakeProcess(std::initializer_list<std::string> args) {
-  std::vector<const char *> vargs;
+static gpr_subprocess* MakeProcess(const std::vector<std::string>& args) {
+  std::vector<const char*> vargs;
   for (auto it = args.begin(); it != args.end(); ++it) {
     vargs.push_back(it->c_str());
   }
   return gpr_subprocess_create(vargs.size(), &vargs[0]);
 }
 
-SubProcess::SubProcess(std::initializer_list<std::string> args)
+SubProcess::SubProcess(const std::vector<std::string>& args)
     : subprocess_(MakeProcess(args)) {}
 
 SubProcess::~SubProcess() { gpr_subprocess_destroy(subprocess_); }
diff --git a/test/cpp/util/subprocess.h b/test/cpp/util/subprocess.h
index 8fafe3d177..f7b553ae03 100644
--- a/test/cpp/util/subprocess.h
+++ b/test/cpp/util/subprocess.h
@@ -36,6 +36,7 @@
 
 #include <initializer_list>
 #include <string>
+#include <vector>
 
 struct gpr_subprocess;
 
@@ -43,7 +44,7 @@ namespace grpc {
 
 class SubProcess {
  public:
-  SubProcess(std::initializer_list<std::string> args);
+  SubProcess(const std::vector<std::string>& args);
   ~SubProcess();
 
   int Join();
diff --git a/test/cpp/util/test_config.cc b/test/cpp/util/test_config.cc
index e74f8fb14f..8711746129 100644
--- a/test/cpp/util/test_config.cc
+++ b/test/cpp/util/test_config.cc
@@ -31,8 +31,8 @@
  *
  */
 
-#include <gflags/gflags.h>
 #include "test/cpp/util/test_config.h"
+#include <gflags/gflags.h>
 
 // In some distros, gflags is in the namespace google, and in some others,
 // in gflags. This hack is enabling us to find both.
diff --git a/test/cpp/util/test_credentials_provider.cc b/test/cpp/util/test_credentials_provider.cc
new file mode 100644
index 0000000000..9c09a73115
--- /dev/null
+++ b/test/cpp/util/test_credentials_provider.cc
@@ -0,0 +1,174 @@
+
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/cpp/util/test_credentials_provider.h"
+
+#include <unordered_map>
+
+#include <grpc++/impl/sync.h>
+#include <grpc/support/sync.h>
+
+#include "test/core/end2end/data/ssl_test_data.h"
+
+namespace {
+
+using grpc::ChannelArguments;
+using grpc::ChannelCredentials;
+using grpc::InsecureChannelCredentials;
+using grpc::InsecureServerCredentials;
+using grpc::ServerCredentials;
+using grpc::SslCredentialsOptions;
+using grpc::SslServerCredentialsOptions;
+using grpc::testing::CredentialTypeProvider;
+
+// Provide test credentials. Thread-safe.
+class CredentialsProvider {
+ public:
+  virtual ~CredentialsProvider() {}
+
+  virtual void AddSecureType(
+      const grpc::string& type,
+      std::unique_ptr<CredentialTypeProvider> type_provider) = 0;
+  virtual std::shared_ptr<ChannelCredentials> GetChannelCredentials(
+      const grpc::string& type, ChannelArguments* args) = 0;
+  virtual std::shared_ptr<ServerCredentials> GetServerCredentials(
+      const grpc::string& type) = 0;
+  virtual std::vector<grpc::string> GetSecureCredentialsTypeList() = 0;
+};
+
+class DefaultCredentialsProvider : public CredentialsProvider {
+ public:
+  ~DefaultCredentialsProvider() override {}
+
+  void AddSecureType(
+      const grpc::string& type,
+      std::unique_ptr<CredentialTypeProvider> type_provider) override {
+    // This clobbers any existing entry for type, except the defaults, which
+    // can't be clobbered.
+    grpc::unique_lock<grpc::mutex> lock(mu_);
+    added_secure_types_[type] = std::move(type_provider);
+  }
+
+  std::shared_ptr<ChannelCredentials> GetChannelCredentials(
+      const grpc::string& type, ChannelArguments* args) override {
+    if (type == grpc::testing::kInsecureCredentialsType) {
+      return InsecureChannelCredentials();
+    } else if (type == grpc::testing::kTlsCredentialsType) {
+      SslCredentialsOptions ssl_opts = {test_root_cert, "", ""};
+      args->SetSslTargetNameOverride("foo.test.google.fr");
+      return SslCredentials(ssl_opts);
+    } else {
+      grpc::unique_lock<grpc::mutex> lock(mu_);
+      auto it(added_secure_types_.find(type));
+      if (it == added_secure_types_.end()) {
+        gpr_log(GPR_ERROR, "Unsupported credentials type %s.", type.c_str());
+        return nullptr;
+      }
+      return it->second->GetChannelCredentials(args);
+    }
+  }
+
+  std::shared_ptr<ServerCredentials> GetServerCredentials(
+      const grpc::string& type) override {
+    if (type == grpc::testing::kInsecureCredentialsType) {
+      return InsecureServerCredentials();
+    } else if (type == grpc::testing::kTlsCredentialsType) {
+      SslServerCredentialsOptions::PemKeyCertPair pkcp = {test_server1_key,
+                                                          test_server1_cert};
+      SslServerCredentialsOptions ssl_opts;
+      ssl_opts.pem_root_certs = "";
+      ssl_opts.pem_key_cert_pairs.push_back(pkcp);
+      return SslServerCredentials(ssl_opts);
+    } else {
+      grpc::unique_lock<grpc::mutex> lock(mu_);
+      auto it(added_secure_types_.find(type));
+      if (it == added_secure_types_.end()) {
+        gpr_log(GPR_ERROR, "Unsupported credentials type %s.", type.c_str());
+        return nullptr;
+      }
+      return it->second->GetServerCredentials();
+    }
+  }
+  std::vector<grpc::string> GetSecureCredentialsTypeList() override {
+    std::vector<grpc::string> types;
+    types.push_back(grpc::testing::kTlsCredentialsType);
+    grpc::unique_lock<grpc::mutex> lock(mu_);
+    for (const auto& type_pair : added_secure_types_) {
+      types.push_back(type_pair.first);
+    }
+    return types;
+  }
+
+ private:
+  grpc::mutex mu_;
+  std::unordered_map<grpc::string, std::unique_ptr<CredentialTypeProvider> >
+      added_secure_types_;
+};
+
+gpr_once g_once_init_provider = GPR_ONCE_INIT;
+CredentialsProvider* g_provider = nullptr;
+
+void CreateDefaultProvider() { g_provider = new DefaultCredentialsProvider; }
+
+CredentialsProvider* GetProvider() {
+  gpr_once_init(&g_once_init_provider, &CreateDefaultProvider);
+  return g_provider;
+}
+
+}  // namespace
+
+namespace grpc {
+namespace testing {
+
+void AddSecureType(const grpc::string& type,
+                   std::unique_ptr<CredentialTypeProvider> type_provider) {
+  GetProvider()->AddSecureType(type, std::move(type_provider));
+}
+
+std::shared_ptr<ChannelCredentials> GetChannelCredentials(
+    const grpc::string& type, ChannelArguments* args) {
+  return GetProvider()->GetChannelCredentials(type, args);
+}
+
+std::shared_ptr<ServerCredentials> GetServerCredentials(
+    const grpc::string& type) {
+  return GetProvider()->GetServerCredentials(type);
+}
+
+std::vector<grpc::string> GetSecureCredentialsTypeList() {
+  return GetProvider()->GetSecureCredentialsTypeList();
+}
+
+}  // namespace testing
+}  // namespace grpc
diff --git a/test/cpp/util/test_credentials_provider.h b/test/cpp/util/test_credentials_provider.h
new file mode 100644
index 0000000000..1fb311e556
--- /dev/null
+++ b/test/cpp/util/test_credentials_provider.h
@@ -0,0 +1,83 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_TEST_CPP_UTIL_TEST_CREDENTIALS_PROVIDER_H
+#define GRPC_TEST_CPP_UTIL_TEST_CREDENTIALS_PROVIDER_H
+
+#include <memory>
+
+#include <grpc++/security/credentials.h>
+#include <grpc++/security/server_credentials.h>
+#include <grpc++/support/channel_arguments.h>
+
+namespace grpc {
+namespace testing {
+
+const char kInsecureCredentialsType[] = "INSECURE_CREDENTIALS";
+
+// For real credentials, like tls/ssl, this name should match the AuthContext
+// property "transport_security_type".
+const char kTlsCredentialsType[] = "ssl";
+
+// Provide test credentials of a particular type.
+class CredentialTypeProvider {
+ public:
+  virtual ~CredentialTypeProvider() {}
+
+  virtual std::shared_ptr<ChannelCredentials> GetChannelCredentials(
+      ChannelArguments* args) = 0;
+  virtual std::shared_ptr<ServerCredentials> GetServerCredentials() = 0;
+};
+
+// Add a secure type in addition to the defaults above
+// (kInsecureCredentialsType, kTlsCredentialsType) that can be returned from the
+// functions below.
+void AddSecureType(const grpc::string& type,
+                   std::unique_ptr<CredentialTypeProvider> type_provider);
+
+// Provide channel credentials according to the given type. Alter the channel
+// arguments if needed.
+std::shared_ptr<ChannelCredentials> GetChannelCredentials(
+    const grpc::string& type, ChannelArguments* args);
+
+// Provide server credentials according to the given type.
+std::shared_ptr<ServerCredentials> GetServerCredentials(
+    const grpc::string& type);
+
+// Provide a list of secure credentials type.
+std::vector<grpc::string> GetSecureCredentialsTypeList();
+
+}  // namespace testing
+}  // namespace grpc
+
+#endif  // GRPC_TEST_CPP_UTIL_TEST_CREDENTIALS_PROVIDER_H
diff --git a/test/cpp/util/time_test.cc b/test/cpp/util/time_test.cc
index 48c6ce7697..a292c210c8 100644
--- a/test/cpp/util/time_test.cc
+++ b/test/cpp/util/time_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include <grpc/support/time.h>
 #include <grpc++/support/time.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
 using std::chrono::duration_cast;
diff --git a/test/distrib/csharp/DistribTest.sln b/test/distrib/csharp/DistribTest.sln
index 0eca35c30f..78d5397ca9 100644
--- a/test/distrib/csharp/DistribTest.sln
+++ b/test/distrib/csharp/DistribTest.sln
@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
 		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Debug|x64.ActiveCfg = Debug|x64
+		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Debug|x64.Build.0 = Debug|x64
 		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Release|x64.ActiveCfg = Release|x64
+		{A3E61CC3-3710-49A3-A830-A0066EDBCE2F}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/test/distrib/csharp/DistribTest/DistribTest.csproj b/test/distrib/csharp/DistribTest/DistribTest.csproj
index 124fc1bdf0..7605495f0f 100644
--- a/test/distrib/csharp/DistribTest/DistribTest.csproj
+++ b/test/distrib/csharp/DistribTest/DistribTest.csproj
@@ -32,6 +32,26 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x64\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <OutputPath>bin\x64\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="BouncyCastle.Crypto">
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
diff --git a/test/distrib/csharp/DistribTest/Program.cs b/test/distrib/csharp/DistribTest/Program.cs
index e944648f17..c68b380547 100644
--- a/test/distrib/csharp/DistribTest/Program.cs
+++ b/test/distrib/csharp/DistribTest/Program.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/csharp/run_distrib_test.bat b/test/distrib/csharp/run_distrib_test.bat
new file mode 100644
index 0000000000..67bfc58ac8
--- /dev/null
+++ b/test/distrib/csharp/run_distrib_test.bat
@@ -0,0 +1,49 @@
+@rem Copyright 2016, Google Inc.
+@rem All rights reserved.
+@rem
+@rem Redistribution and use in source and binary forms, with or without
+@rem modification, are permitted provided that the following conditions are
+@rem met:
+@rem
+@rem     * Redistributions of source code must retain the above copyright
+@rem notice, this list of conditions and the following disclaimer.
+@rem     * Redistributions in binary form must reproduce the above
+@rem copyright notice, this list of conditions and the following disclaimer
+@rem in the documentation and/or other materials provided with the
+@rem distribution.
+@rem     * Neither the name of Google Inc. nor the names of its
+@rem contributors may be used to endorse or promote products derived from
+@rem this software without specific prior written permission.
+@rem
+@rem THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+@rem "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+@rem LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+@rem A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+@rem OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+@rem SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+@rem LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+@rem DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+@rem THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+@rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+@rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+@rem enter this directory
+cd /d %~dp0
+
+@rem extract input artifacts
+powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [System.IO.Compression.ZipFile]::ExtractToDirectory('../../../input_artifacts/csharp_nugets.zip', 'TestNugetFeed');"
+
+update_version.sh auto
+
+set NUGET=C:\nuget\nuget.exe
+%NUGET% restore || goto :error
+
+@call build_vs2015.bat DistribTest.sln %MSBUILD_EXTRA_ARGS% || goto :error
+
+%DISTRIBTEST_OUTPATH%\DistribTest.exe || goto :error
+
+goto :EOF
+
+:error
+echo Failed!
+exit /b %errorlevel%
diff --git a/test/distrib/csharp/run_distrib_test.sh b/test/distrib/csharp/run_distrib_test.sh
index 1de62041b3..64e98d8009 100755
--- a/test/distrib/csharp/run_distrib_test.sh
+++ b/test/distrib/csharp/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,7 @@ cd $(dirname $0)
 
 unzip -o "$EXTERNAL_GIT_ROOT/input_artifacts/csharp_nugets.zip" -d TestNugetFeed
 
-# Extract the version number from Grpc nuget package name.
-CSHARP_VERSION=$(ls TestNugetFeed | grep '^Grpc\.[0-9].*\.nupkg$' | sed s/^Grpc\.// | sed s/\.nupkg$//)
-./update_version.sh $CSHARP_VERSION
+./update_version.sh auto
 
 nuget restore
 
diff --git a/test/distrib/csharp/update_version.sh b/test/distrib/csharp/update_version.sh
index f2554e8998..189d0ad357 100755
--- a/test/distrib/csharp/update_version.sh
+++ b/test/distrib/csharp/update_version.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -32,5 +32,13 @@ set -e
 
 cd $(dirname $0)
 
+CSHARP_VERSION="$1"
+if [ "$CSHARP_VERSION" == "auto" ]
+then
+  # autodetect C# version
+  CSHARP_VERSION=$(ls TestNugetFeed | grep '^Grpc\.[0-9].*\.nupkg$' | sed s/^Grpc\.// | sed s/\.nupkg$//)
+  echo "Autodetected nuget ${CSHARP_VERSION}"
+fi
+
 # Replaces version placeholder with value provided as first argument.
-sed -ibak "s/__GRPC_NUGET_VERSION__/$1/g" DistribTest/packages.config DistribTest/DistribTest.csproj
+sed -ibak "s/__GRPC_NUGET_VERSION__/${CSHARP_VERSION}/g" DistribTest/packages.config DistribTest/DistribTest.csproj
diff --git a/test/distrib/node/distrib_test.js b/test/distrib/node/distrib_test.js
index cdd8eba8b8..8efd33ad8d 100755
--- a/test/distrib/node/distrib_test.js
+++ b/test/distrib/node/distrib_test.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/node/run_distrib_test.sh b/test/distrib/node/run_distrib_test.sh
index 9b8f15771b..d429eb27e1 100755
--- a/test/distrib/node/run_distrib_test.sh
+++ b/test/distrib/node/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,23 +28,31 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+function finish() {
+  rv=$?
+  kill $STATIC_PID || true
+  curl "localhost:32767/drop/$STATIC_PORT" || true
+  exit $rv
+}
+
+trap finish EXIT
+
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 cd $(dirname $0)
 
 nvm install $NODE_VERSION
+set -ex
 
 npm install -g node-static
 
-# Kill off existing static servers
-kill -9 $(ps aux | grep '[n]ode .*static' | awk '{print $2}') || true
-
 STATIC_SERVER=127.0.0.1
-STATIC_PORT=8080
+# If port_server is running, get port from that. Otherwise, assume we're in
+# docker and use 8080
+STATIC_PORT=$(curl 'localhost:32767/get' || echo '8080')
 
-# Serves the input_artifacts directory statically at localhost:8080
+# Serves the input_artifacts directory statically at localhost:
 static "$EXTERNAL_GIT_ROOT/input_artifacts" -a $STATIC_SERVER -p $STATIC_PORT &
 STATIC_PID=$!
 
@@ -52,6 +60,4 @@ STATIC_URL="http://$STATIC_SERVER:$STATIC_PORT/"
 
 npm install --unsafe-perm $STATIC_URL/grpc.tgz --grpc_node_binary_host_mirror=$STATIC_URL
 
-kill -9 $STATIC_PID
-
 ./distrib_test.js
diff --git a/test/distrib/php/distribtest.php b/test/distrib/php/distribtest.php
new file mode 100644
index 0000000000..4c34cd674b
--- /dev/null
+++ b/test/distrib/php/distribtest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+$channel = new Grpc\Channel('localhost:1000', [
+    'credentials' => Grpc\ChannelCredentials::createInsecure()
+]);
+
+$deadline = Grpc\Timeval::infFuture();
+$call = new Grpc\Call($channel,
+                      'dummy_method',
+                      $deadline);
+
+$call->cancel();
+$channel->close();
diff --git a/examples/python/helloworld/run_server.sh b/test/distrib/php/run_distrib_test.sh
index 82ebb1f868..5c86283282 100755
--- a/examples/python/helloworld/run_server.sh
+++ b/test/distrib/php/run_distrib_test.sh
@@ -28,10 +28,12 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This is where you have cloned out the https://github.com/grpc/grpc repository
-# And built gRPC Python.
-# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
-GRPC_ROOT=~/github/grpc
+set -ex
 
-$GRPC_ROOT/python2.7_virtual_environment/bin/python greeter_server.py
+cd $(dirname $0)
 
+cp -r $EXTERNAL_GIT_ROOT/input_artifacts/grpc-php.tgz .
+
+pecl install grpc-php.tgz
+
+php -d extension=grpc.so -d max_execution_time=300 distribtest.php
diff --git a/test/distrib/python/run_distrib_test.sh b/test/distrib/python/run_distrib_test.sh
index 8fd7ffb54c..79893af8e5 100755
--- a/test/distrib/python/run_distrib_test.sh
+++ b/test/distrib/python/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/ruby/run_distrib_test.sh b/test/distrib/ruby/run_distrib_test.sh
index be60e44b63..b0954b0499 100755
--- a/test/distrib/ruby/run_distrib_test.sh
+++ b/test/distrib/ruby/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/third_party/boringssl b/third_party/boringssl
-Subproject 9f897b25800d2f54f5c442ef01a60721aeca6d8
+Subproject 907ae62b9d81121cb86b604f83e6b811a43f7a8
diff --git a/third_party/nanopb b/third_party/nanopb
new file mode 160000
+Subproject f8ac463766281625ad710900479130c7fcb4d63
diff --git a/tools/README.md b/tools/README.md
index a0c41eb79f..cb6c22dd83 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -1,17 +1,16 @@
-buildgen: template renderer for our build system.
+buildgen: Template renderer for our build system.
 
-distpackages: script to generate debian packages.
-
-distrib: scripts to distribute language-specific packages.
+distrib: Scripts to distribute language-specific packages.
 
 dockerfile: Docker files to test gRPC.
 
 doxygen: gRPC C/C++ documentation generation via Doxygen.
 
-gce: scripts to help setup testing infrastructure on GCE.
+gce: Scripts to help setup testing infrastructure on GCE.
 
-jenkins: support for running tests on Jenkins.
+gcp: Helper scripts for interacting with various services on GCP (like Google
+container engine, BigQuery etc)
 
-profile_analyzer: pretty printer for gRPC profiling data.
+jenkins: Support for running tests on Jenkins.
 
-run_tests: scripts to run gRPC tests in parallel.
+run_tests: Scripts to run gRPC tests in parallel.
diff --git a/tools/buildgen/build-cleaner.py b/tools/buildgen/build-cleaner.py
index 49a3644123..f09a01fc57 100755
--- a/tools/buildgen/build-cleaner.py
+++ b/tools/buildgen/build-cleaner.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@ TEST = (os.environ.get('TEST', 'false') == 'true')
 _TOP_LEVEL_KEYS = ['settings', 'proto_deps', 'filegroups', 'libs', 'targets', 'vspackages']
 _ELEM_KEYS = [
     'name',
+    'gtest',
     'cpu_cost',
     'flaky',
     'build',
@@ -98,4 +99,3 @@ for filename in sys.argv[1:]:
   else:
     with open(filename, 'w') as f:
       f.write(output)
-
diff --git a/tools/buildgen/bunch.py b/tools/buildgen/bunch.py
index 3f5af53778..9d9dafaad0 100755
--- a/tools/buildgen/bunch.py
+++ b/tools/buildgen/bunch.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/buildgen/generate_build_additions.sh b/tools/buildgen/generate_build_additions.sh
index 4e7ba9ebb9..9a1a7a7249 100644
--- a/tools/buildgen/generate_build_additions.sh
+++ b/tools/buildgen/generate_build_additions.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,8 @@ gen_build_yaml_dirs="  \
   src/zlib             \
   test/core/bad_client \
   test/core/bad_ssl    \
-  test/core/end2end"
+  test/core/end2end    \
+  test/cpp/qps"
 gen_build_files=""
 for gen_build_yaml in $gen_build_yaml_dirs
 do
@@ -42,4 +43,3 @@ do
   $gen_build_yaml/gen_build_yaml.py > $output_file
   gen_build_files="$gen_build_files $output_file"
 done
-
diff --git a/tools/buildgen/generate_projects.py b/tools/buildgen/generate_projects.py
index 965dd292af..5f3af7738b 100755
--- a/tools/buildgen/generate_projects.py
+++ b/tools/buildgen/generate_projects.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -45,12 +45,12 @@ import jobset
 os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
 
 argp = argparse.ArgumentParser()
-argp.add_argument('json', nargs='+')
+argp.add_argument('build_files', nargs='+', default=[])
 argp.add_argument('--templates', nargs='+', default=[])
 argp.add_argument('--jobs', '-j', default=multiprocessing.cpu_count(), type=int)
 args = argp.parse_args()
 
-json = args.json
+json = args.build_files
 
 test = {} if 'TEST' in os.environ else None
 
@@ -62,21 +62,31 @@ if not templates:
     for f in files:
       templates.append(os.path.join(root, f))
 
+pre_jobs = []
+base_cmd = ['python2.7', 'tools/buildgen/mako_renderer.py']
+cmd = base_cmd[:]
+for plugin in plugins:
+  cmd.append('-p')
+  cmd.append(plugin)
+for js in json:
+  cmd.append('-d')
+  cmd.append(js)
+cmd.append('-w')
+preprocessed_build = '.preprocessed_build'
+cmd.append(preprocessed_build)
+pre_jobs.append(jobset.JobSpec(cmd, shortname='preprocess', timeout_seconds=None))
+
 jobs = []
-for template in templates:
+for template in reversed(sorted(templates)):
   root, f = os.path.split(template)
   if os.path.splitext(f)[1] == '.template':
     out_dir = '.' + root[len('templates'):]
     out = out_dir + '/' + os.path.splitext(f)[0]
     if not os.path.exists(out_dir):
       os.makedirs(out_dir)
-    cmd = ['python2.7', 'tools/buildgen/mako_renderer.py']
-    for plugin in plugins:
-      cmd.append('-p')
-      cmd.append(plugin)
-    for js in json:
-      cmd.append('-d')
-      cmd.append(js)
+    cmd = base_cmd[:]
+    cmd.append('-P')
+    cmd.append(preprocessed_build)
     cmd.append('-o')
     if test is None:
       cmd.append(out)
@@ -88,6 +98,7 @@ for template in templates:
     cmd.append(root + '/' + f)
     jobs.append(jobset.JobSpec(cmd, shortname=out, timeout_seconds=None))
 
+jobset.run(pre_jobs, maxjobs=args.jobs)
 jobset.run(jobs, maxjobs=args.jobs)
 
 if test is not None:
diff --git a/tools/buildgen/mako_renderer.py b/tools/buildgen/mako_renderer.py
index f1b28d352e..f629e68eb9 100755
--- a/tools/buildgen/mako_renderer.py
+++ b/tools/buildgen/mako_renderer.py
@@ -38,6 +38,7 @@ Just a wrapper around the mako rendering library.
 import getopt
 import imp
 import os
+import cPickle as pickle
 import shutil
 import sys
 
@@ -66,21 +67,23 @@ def out(msg):
 
 
 def showhelp():
-  out('mako-renderer.py [-o out] [-m cache] [-d dict] [-d dict...] template')
+  out('mako-renderer.py [-o out] [-m cache] [-P preprocessed_input] [-d dict] [-d dict...]'
+      ' [-t template] [-w preprocessed_output]')
 
 
 def main(argv):
   got_input = False
   module_directory = None
+  preprocessed_output = None
   dictionary = {}
   json_dict = {}
   got_output = False
-  output_file = sys.stdout
   plugins = []
   output_name = None
+  got_preprocessed_input = False
 
   try:
-    opts, args = getopt.getopt(argv, 'hm:d:o:p:')
+    opts, args = getopt.getopt(argv, 'hm:d:o:p:t:P:w:')
   except getopt.GetoptError:
     out('Unknown option')
     showhelp()
@@ -104,18 +107,31 @@ def main(argv):
         showhelp()
         sys.exit(4)
       module_directory = arg
+    elif opt == '-P':
+      assert not got_preprocessed_input
+      assert json_dict == {}
+      sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), 'plugins')))
+      with open(arg, 'r') as dict_file:
+        dictionary = pickle.load(dict_file)
+      got_preprocessed_input = True
     elif opt == '-d':
-      dict_file = open(arg, 'r')
-      bunch.merge_json(json_dict, yaml.load(dict_file.read()))
-      dict_file.close()
+      assert not got_preprocessed_input
+      with open(arg, 'r') as dict_file:
+        bunch.merge_json(json_dict, yaml.load(dict_file.read()))
     elif opt == '-p':
       plugins.append(import_plugin(arg))
+    elif opt == '-w':
+      preprocessed_output = arg
 
-  for plugin in plugins:
-    plugin.mako_plugin(json_dict)
+  if not got_preprocessed_input:
+    for plugin in plugins:
+      plugin.mako_plugin(json_dict)
+    for k, v in json_dict.items():
+      dictionary[k] = bunch.to_bunch(v)
 
-  for k, v in json_dict.items():
-    dictionary[k] = bunch.to_bunch(v)
+  if preprocessed_output:
+    with open(preprocessed_output, 'w') as dict_file:
+      pickle.dump(dictionary, dict_file)
 
   cleared_dir = False
   for arg in args:
@@ -168,11 +184,9 @@ def main(argv):
           with open(item_output_name, 'w') as output_file:
             template.render_context(Context(output_file, **args))
 
-  if not got_input:
+  if not got_input and not preprocessed_output:
     out('Got nothing to do')
     showhelp()
 
-  output_file.close()
-
 if __name__ == '__main__':
   main(sys.argv[1:])
diff --git a/tools/buildgen/plugins/expand_bin_attrs.py b/tools/buildgen/plugins/expand_bin_attrs.py
index 735c60ea99..dc72bf3b9d 100755
--- a/tools/buildgen/plugins/expand_bin_attrs.py
+++ b/tools/buildgen/plugins/expand_bin_attrs.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@ def mako_plugin(dictionary):
     tgt['ci_platforms'] = sorted(tgt.get('ci_platforms', tgt['platforms']))
     tgt['boringssl'] = tgt.get('boringssl', False)
     tgt['zlib'] = tgt.get('zlib', False)
+    tgt['gtest'] = tgt.get('gtest', False)
 
   libs = dictionary.get('libs')
   for lib in libs:
diff --git a/tools/buildgen/plugins/expand_filegroups.py b/tools/buildgen/plugins/expand_filegroups.py
index 156bdc4417..69d95deb6b 100755
--- a/tools/buildgen/plugins/expand_filegroups.py
+++ b/tools/buildgen/plugins/expand_filegroups.py
@@ -42,6 +42,24 @@ def excluded(filename, exclude_res):
   return False
 
 
+def uniquify(lst):
+  out = []
+  for el in lst:
+    if el not in out:
+      out.append(el)
+  return out
+
+
+FILEGROUP_LISTS = ['src', 'headers', 'public_headers', 'deps']
+
+
+FILEGROUP_DEFAULTS = {
+  'language': 'c',
+  'boringssl': False,
+  'zlib': False,
+}
+
+
 def mako_plugin(dictionary):
   """The exported plugin code for expand_filegroups.
 
@@ -51,24 +69,81 @@ def mako_plugin(dictionary):
 
   """
   libs = dictionary.get('libs')
+  targets = dictionary.get('targets')
   filegroups_list = dictionary.get('filegroups')
   filegroups = {}
 
   for fg in filegroups_list:
-    filegroups[fg['name']] = fg
+    for lst in FILEGROUP_LISTS:
+      fg[lst] = fg.get(lst, [])
+      fg['own_%s' % lst] = list(fg[lst])
+    for attr, val in FILEGROUP_DEFAULTS.iteritems():
+      if attr not in fg:
+        fg[attr] = val
 
-  for lib in libs:
-    for fg_name in lib.get('filegroups', []):
-      fg = filegroups[fg_name]
+  todo = list(filegroups_list)
+  skips = 0
+
+  while todo:
+    assert skips != len(todo), "infinite loop in filegroup uses clauses"
+    # take the first element of the todo list
+    cur = todo[0]
+    todo = todo[1:]
+    # check all uses filegroups are present (if no, skip and come back later)
+    skip = False
+    for uses in cur.get('uses', []):
+      if uses not in filegroups:
+        skip = True
+    if skip:
+      skips += 1
+      todo.append(cur)
+    else:
+      skips = 0
+      assert 'plugins' not in cur
+      plugins = []
+      for uses in cur.get('uses', []):
+        for plugin in filegroups[uses]['plugins']:
+          if plugin not in plugins:
+            plugins.append(plugin)
+        for lst in FILEGROUP_LISTS:
+          vals = cur.get(lst, [])
+          vals.extend(filegroups[uses].get(lst, []))
+          cur[lst] = vals
+      cur_plugin_name = cur.get('plugin')
+      if cur_plugin_name:
+        plugins.append(cur_plugin_name)
+      cur['plugins'] = plugins
+      filegroups[cur['name']] = cur
 
-      src = lib.get('src', [])
-      src.extend(fg.get('src', []))
-      lib['src'] = src
+  # the above expansion can introduce duplicate filenames: contract them here
+  for fg in filegroups.itervalues():
+    for lst in FILEGROUP_LISTS:
+      fg[lst] = uniquify(fg.get(lst, []))
 
-      headers = lib.get('headers', [])
-      headers.extend(fg.get('headers', []))
-      lib['headers'] = headers
+  for tgt in dictionary['targets']:
+    for lst in FILEGROUP_LISTS:
+      tgt[lst] = tgt.get(lst, [])
+      tgt['own_%s' % lst] = list(tgt[lst])
 
-      public_headers = lib.get('public_headers', [])
-      public_headers.extend(fg.get('public_headers', []))
-      lib['public_headers'] = public_headers
+  for lib in libs + targets:
+    assert 'plugins' not in lib
+    plugins = []
+    for lst in FILEGROUP_LISTS:
+      vals = lib.get(lst, [])
+      lib[lst] = list(vals)
+      lib['own_%s' % lst] = list(vals)
+    for fg_name in lib.get('filegroups', []):
+      fg = filegroups[fg_name]
+      for plugin in fg['plugins']:
+        if plugin not in plugins:
+          plugins.append(plugin)
+      for lst in FILEGROUP_LISTS:
+        vals = lib.get(lst, [])
+        vals.extend(fg.get(lst, []))
+        lib[lst] = vals
+      lib['plugins'] = plugins
+    if lib.get('generate_plugin_registry', False):
+      lib['src'].append('src/core/plugin_registry/%s_plugin_registry.c' %
+                        lib['name'])
+    for lst in FILEGROUP_LISTS:
+      lib[lst] = uniquify(lib.get(lst, []))
diff --git a/tools/buildgen/plugins/expand_version.py b/tools/buildgen/plugins/expand_version.py
index b55e1b15ff..dd77f7af12 100755
--- a/tools/buildgen/plugins/expand_version.py
+++ b/tools/buildgen/plugins/expand_version.py
@@ -84,6 +84,11 @@ class Version:
     else:
       return '%d.%d.%d' % (self.major, self.minor, self.patch)
 
+  def php(self):
+    """Version string in PHP style"""
+    """PECL does not allow tag in version string"""
+    return '%d.%d.%d' % (self.major, self.minor, self.patch)
+
 def mako_plugin(dictionary):
   """Expand version numbers:
      - for each language, ensure there's a language_version tag in
diff --git a/tools/buildgen/plugins/make_fuzzer_tests.py b/tools/buildgen/plugins/make_fuzzer_tests.py
new file mode 100644
index 0000000000..806489bcd2
--- /dev/null
+++ b/tools/buildgen/plugins/make_fuzzer_tests.py
@@ -0,0 +1,57 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Create tests for each fuzzer"""
+
+import copy
+import glob
+
+def mako_plugin(dictionary):
+  targets = dictionary['targets']
+  tests = dictionary['tests']
+  for tgt in targets:
+    if tgt['build'] == 'fuzzer':
+      new_target = copy.deepcopy(tgt)
+      new_target['build'] = 'test'
+      new_target['name'] += '_one_entry'
+      new_target['run'] = False
+      new_target['deps'].insert(0, 'one_input_fuzzer')
+      targets.append(new_target)
+      for corpus in new_target['corpus_dirs']:
+        for fn in sorted(glob.glob('%s/*' % corpus)):
+          tests.append({
+              'name': new_target['name'],
+              'args': [fn],
+              'exclude_configs': [],
+              'platforms': ['linux', 'mac', 'windows', 'posix'],
+              'ci_platforms': ['linux', 'mac', 'windows', 'posix'],
+              'flaky': False,
+              'language': 'c',
+              'cpu_cost': 0.1,
+          })
diff --git a/tools/buildgen/plugins/transitive_dependencies.py b/tools/buildgen/plugins/transitive_dependencies.py
index 01e7f61ea9..176c8fa896 100644
--- a/tools/buildgen/plugins/transitive_dependencies.py
+++ b/tools/buildgen/plugins/transitive_dependencies.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/codegen/core/gen_hpack_tables.c b/tools/codegen/core/gen_hpack_tables.c
index bae4e4cd73..33c68a2c69 100644
--- a/tools/codegen/core/gen_hpack_tables.c
+++ b/tools/codegen/core/gen_hpack_tables.c
@@ -33,13 +33,13 @@
 
 /* generates constant tables for hpack.c */
 
+#include <assert.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
 
 #include <grpc/support/log.h>
-#include "src/core/transport/chttp2/huffsyms.h"
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
 
 /*
  * first byte LUT generation
diff --git a/tools/codegen/core/gen_legal_metadata_characters.c b/tools/codegen/core/gen_legal_metadata_characters.c
index 10605d52bf..6ac32656cb 100644
--- a/tools/codegen/core/gen_legal_metadata_characters.c
+++ b/tools/codegen/core/gen_legal_metadata_characters.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/codegen/core/gen_load_balancing_proto.sh b/tools/codegen/core/gen_load_balancing_proto.sh
new file mode 100755
index 0000000000..339da0a733
--- /dev/null
+++ b/tools/codegen/core/gen_load_balancing_proto.sh
@@ -0,0 +1,138 @@
+#!/bin/bash
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#
+# Example usage:
+#   tools/codegen/core/gen_load_balancing_proto.sh \
+#     src/proto/grpc/lb/v0/load_balancer.proto
+
+read -r -d '' COPYRIGHT <<'EOF'
+/*
+ *
+ * Copyright <YEAR>, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+EOF
+
+CURRENT_YEAR=$(date +%Y)
+COPYRIGHT_FILE=$(mktemp)
+echo "${COPYRIGHT/<YEAR>/$CURRENT_YEAR}" > $COPYRIGHT_FILE
+
+set -ex
+if [ $# -eq 0 ]; then
+  echo "Usage: $0 <load_balancer.proto> [output dir]"
+  exit 1
+fi
+
+readonly GRPC_ROOT=$PWD
+
+OUTPUT_DIR="$GRPC_ROOT/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0"
+if [ $# -eq 2 ]; then
+  mkdir -p "$2"
+  if [ $? != 0 ]; then
+    echo "Error creating output directory $2"
+    exit 2
+  fi
+  OUTPUT_DIR="$2"
+fi
+
+readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options"
+
+if [[ ! -f "$1" ]]; then
+  echo "Input proto file '$1' doesn't exist."
+  exit 3
+fi
+if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then
+  echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing"
+  exit 4
+fi
+
+readonly VENV_DIR=$(mktemp -d)
+readonly VENV_NAME="nanopb-$(date '+%Y%m%d_%H%M%S_%N')"
+pushd $VENV_DIR
+virtualenv $VENV_NAME
+. $VENV_NAME/bin/activate
+popd
+
+# this should be the same version as the submodule we compile against
+# ideally we'd update this as a template to ensure that
+pip install protobuf==3.0.0b2
+
+pushd "$(dirname $1)" > /dev/null
+
+protoc \
+--plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \
+--nanopb_out='-T -L#include\ \"third_party/nanopb/pb.h\"'":$OUTPUT_DIR" \
+"$(basename $1)"
+
+readonly PROTO_BASENAME=$(basename $1 .proto)
+sed -i "s:$PROTO_BASENAME.pb.h:src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/$PROTO_BASENAME.pb.h:g" \
+    "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
+
+# prepend copyright
+TMPFILE=$(mktemp)
+cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c" > $TMPFILE
+mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
+cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h" > $TMPFILE
+mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h"
+
+deactivate
+rm -rf $VENV_DIR
+
+popd > /dev/null
diff --git a/tools/codegen/core/gen_static_metadata.py b/tools/codegen/core/gen_static_metadata.py
index e6ae00e611..ad73a5e357 100755
--- a/tools/codegen/core/gen_static_metadata.py
+++ b/tools/codegen/core/gen_static_metadata.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -69,6 +69,7 @@ CONFIG = [
     (':scheme', 'grpc'),
     (':authority', ''),
     (':method', 'GET'),
+    (':method', 'PUT'),
     (':path', '/'),
     (':path', '/index.html'),
     (':status', '204'),
@@ -196,7 +197,7 @@ for mask in range(1, 1<<len(COMPRESSION_ALGORITHMS)):
   all_strs.add(val)
   all_elems.add(elem)
   compression_elems.append(elem)
-  static_userdata[elem] = 1 + mask
+  static_userdata[elem] = 1 + (mask | 1)
 all_strs = sorted(list(all_strs), key=mangle)
 all_elems = sorted(list(all_elems), key=mangle)
 
@@ -204,6 +205,7 @@ all_elems = sorted(list(all_elems), key=mangle)
 args = sys.argv[1:]
 H = None
 C = None
+D = None
 if args:
   if 'header' in args:
     H = sys.stdout
@@ -213,11 +215,17 @@ if args:
     C = sys.stdout
   else:
     C = open('/dev/null', 'w')
+  if 'dictionary' in args:
+    D = sys.stdout
+  else:
+    D = open('/dev/null', 'w')
 else:
   H = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/transport/static_metadata.h'), 'w')
+      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.h'), 'w')
   C = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/transport/static_metadata.c'), 'w')
+      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.c'), 'w')
+  D = open(os.path.join(
+      os.path.dirname(sys.argv[0]), '../../../test/core/end2end/fuzzers/hpack.dictionary'), 'w')
 
 # copy-paste copyright notice from this file
 with open(sys.argv[0]) as my_source:
@@ -232,25 +240,46 @@ with open(sys.argv[0]) as my_source:
     if line[0] != '#':
       break
     copyright.append(line)
-  put_banner([H,C], [line[1:].strip() for line in copyright])
+  put_banner([H,C], [line[2:].rstrip() for line in copyright])
+
+
+hex_bytes = [ord(c) for c in "abcdefABCDEF0123456789"]
+
+
+def esc_c(line):
+  out = "\""
+  last_was_hex = False
+  for c in line:
+    if 32 <= c < 127:
+      if c in hex_bytes and last_was_hex:
+        out += "\"\""
+      if c != ord('"'):
+        out += chr(c)
+      else:
+        out += "\\\""
+      last_was_hex = False
+    else:
+      out += "\\x%02x" % c
+      last_was_hex = True
+  return out + "\""
 
 put_banner([H,C],
 """WARNING: Auto-generated code.
 
-To make changes to this file, change tools/codegen/core/gen_static_metadata.py,
-and then re-run it.
+To make changes to this file, change
+tools/codegen/core/gen_static_metadata.py, and then re-run it.
 
-See metadata.h for an explanation of the interface here, and metadata.c for an
-explanation of what's going on.
+See metadata.h for an explanation of the interface here, and metadata.c for
+an explanation of what's going on.
 """.splitlines())
 
-print >>H, '#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H'
-print >>H, '#define GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H'
+print >>H, '#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
+print >>H, '#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
 print >>H
-print >>H, '#include "src/core/transport/metadata.h"'
+print >>H, '#include "src/core/lib/transport/metadata.h"'
 print >>H
 
-print >>C, '#include "src/core/transport/static_metadata.h"'
+print >>C, '#include "src/core/lib/transport/static_metadata.h"'
 print >>C
 
 print >>H, '#define GRPC_STATIC_MDSTR_COUNT %d' % len(all_strs)
@@ -262,15 +291,19 @@ print >>H
 print >>C, 'grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];'
 print >>C
 
+print >>D, '# hpack fuzzing dictionary'
+for i, elem in enumerate(all_strs):
+  print >>D, 'kw%d=%s' % (i, esc_c([len(elem)] + [ord(c) for c in elem]))
+
 print >>H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems)
 print >>H, 'extern grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'
-print >>H, 'extern gpr_uintptr grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];'
+print >>H, 'extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];'
 for i, elem in enumerate(all_elems):
   print >>H, '/* "%s": "%s" */' % elem
   print >>H, '#define %s (&grpc_static_mdelem_table[%d])' % (mangle(elem).upper(), i)
 print >>H
 print >>C, 'grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'
-print >>C, 'gpr_uintptr grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {'
+print >>C, 'uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {'
 print >>C, '  %s' % ','.join('%d' % static_userdata.get(elem, 0) for elem in all_elems)
 print >>C, '};'
 print >>C
@@ -285,8 +318,8 @@ def md_idx(m):
     if m == m2:
       return i
 
-print >>H, 'extern const gpr_uint8 grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2];'
-print >>C, 'const gpr_uint8 grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2] = {'
+print >>H, 'extern const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2];'
+print >>C, 'const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2] = {'
 print >>C, ','.join('%d' % str_idx(x) for x in itertools.chain.from_iterable([a,b] for a, b in all_elems))
 print >>C, '};'
 print >>C
@@ -297,16 +330,15 @@ print >>C, '%s' % ',\n'.join('  "%s"' % s for s in all_strs)
 print >>C, '};'
 print >>C
 
-print >>H, 'extern const gpr_uint8 grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS))
-print >>C, 'const gpr_uint8 grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS))
+print >>H, 'extern const uint8_t grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS))
+print >>C, 'const uint8_t grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS))
 print >>C, '0,%s' % ','.join('%d' % md_idx(elem) for elem in compression_elems)
 print >>C, '};'
 print >>C
 
 print >>H, '#define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) (&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]])'
 
-print >>H, '#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H */'
+print >>H, '#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */'
 
 H.close()
 C.close()
-
diff --git a/tools/distrib/build_ruby_environment_macos.sh b/tools/distrib/build_ruby_environment_macos.sh
index ff3a388eaf..64fad7c606 100644
--- a/tools/distrib/build_ruby_environment_macos.sh
+++ b/tools/distrib/build_ruby_environment_macos.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/check_copyright.py b/tools/distrib/check_copyright.py
index 99771f9632..68411c631d 100755
--- a/tools/distrib/check_copyright.py
+++ b/tools/distrib/check_copyright.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -105,7 +105,7 @@ RE_LICENSE = dict(
      for k, v in LICENSE_PREFIX.iteritems())
 
 if args.precommit:
-  FILE_LIST_COMMAND = 'git diff --name-only HEAD | grep -v ^third_party/'
+  FILE_LIST_COMMAND = 'git status -z | grep -Poz \'(?<=^[MARC][MARCD ] )[^\s]+\''
 else:
   FILE_LIST_COMMAND = 'git ls-tree -r --name-only -r HEAD | grep -v ^third_party/'
 
@@ -155,23 +155,7 @@ for filename in filename_list:
     continue
   m = re.search(re_license, text)
   if m:
-    gdict = m.groupdict()
-    last_modified = int(subprocess.check_output('git log -1 --format="%ad" --date=short -- ' + filename, shell=True)[0:4])
-    latest_claimed = int(gdict['last_year'])
-    if last_modified > latest_claimed:
-      print '%s modified %d but copyright only extends to %d' % (filename, last_modified, latest_claimed)
-      ok = False
-      if args.fix:
-        span_start, span_end = m.span(2)
-        if not gdict['first_year']:
-          # prepend the old year to the current one.
-          text = '{}-{}{}'.format(text[:span_end], last_modified, text[span_end:])
-        else:  # already a year range
-          # simply update the last year
-          text = '{}{}{}'.format(text[:span_start], last_modified, text[span_end:])
-        save(filename, text)
-        print 'Fixed!'
-        ok = True
+    pass
   elif 'DO NOT EDIT' not in text and 'AssemblyInfo.cs' not in filename and filename != 'src/boringssl/err_data.c':
     log(1, 'copyright missing', filename)
     ok = False
diff --git a/tools/distrib/check_include_guards.py b/tools/distrib/check_include_guards.py
new file mode 100755
index 0000000000..6406fe6ae7
--- /dev/null
+++ b/tools/distrib/check_include_guards.py
@@ -0,0 +1,197 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import argparse
+import os
+import re
+import sys
+import subprocess
+
+
+def build_valid_guard(fpath):
+  prefix = 'GRPC_' if not fpath.startswith('include/') else ''
+  return prefix + '_'.join(fpath.replace('++', 'XX').replace('.', '_').upper().split('/')[1:])
+
+
+def load(fpath):
+  with open(fpath, 'r') as f:
+    return f.read()
+
+
+def save(fpath, contents):
+  with open(fpath, 'w') as f:
+    f.write(contents)
+
+
+class GuardValidator(object):
+  def __init__(self):
+    self.ifndef_re = re.compile(r'#ifndef ([A-Z][A-Z_1-9]*)')
+    self.define_re = re.compile(r'#define ([A-Z][A-Z_1-9]*)')
+    self.endif_c_re = re.compile(r'#endif /\* ([A-Z][A-Z_1-9]*) \*/')
+    self.endif_cpp_re = re.compile(r'#endif  // ([A-Z][A-Z_1-9]*)')
+    self.failed = False
+
+  def fail(self, fpath, regexp, fcontents, match_txt, correct, fix):
+    cpp_header = 'grpc++' in fpath
+    self.failed = True
+    invalid_guards_msg_template = (
+        '{0}: Missing preprocessor guards (RE {1}). '
+        'Please wrap your code around the following guards:\n'
+        '#ifndef {2}\n'
+        '#define {2}\n'
+        '...\n'
+        '... epic code ...\n'
+        '...\n') + ('#endif  // {2}' if cpp_header else '#endif /* {2} */')
+    if not match_txt:
+      print invalid_guards_msg_template.format(fpath, regexp.pattern,
+                                               build_valid_guard(fpath))
+      return fcontents
+
+    print ('{}: Wrong preprocessor guards (RE {}):'
+           '\n\tFound {}, expected {}').format(
+        fpath, regexp.pattern, match_txt, correct)
+    if fix:
+      print 'Fixing {}...\n'.format(fpath)
+      fixed_fcontents = re.sub(match_txt, correct, fcontents)
+      if fixed_fcontents:
+        self.failed = False
+      return fixed_fcontents
+    else:
+      print
+    return fcontents
+
+  def check(self, fpath, fix):
+    cpp_header = 'grpc++' in fpath
+    valid_guard = build_valid_guard(fpath)
+
+    fcontents = load(fpath)
+
+    match = self.ifndef_re.search(fcontents)
+    if match.lastindex is None:
+      # No ifndef. Request manual addition with hints
+      self.fail(fpath, match.re, match.string, '', '', False)
+      return False  # failed
+
+    # Does the guard end with a '_H'?
+    running_guard = match.group(1)
+    if not running_guard.endswith('_H'):
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is it the expected one based on the file path?
+    if running_guard != valid_guard:
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is there a #define? Is it the same as the #ifndef one?
+    match = self.define_re.search(fcontents)
+    if match.lastindex is None:
+      # No define. Request manual addition with hints
+      self.fail(fpath, match.re, match.string, '', '', False)
+      return False  # failed
+
+    # Is the #define guard the same as the #ifndef guard?
+    if match.group(1) != running_guard:
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is there a properly commented #endif?
+    endif_re = self.endif_cpp_re if cpp_header else self.endif_c_re
+    flines = fcontents.rstrip().splitlines()
+    match = endif_re.search(flines[-1])
+    if not match:
+      # No endif. Check if we have the last line as just '#endif' and if so
+      # replace it with a properly commented one.
+      if flines[-1] == '#endif':
+        flines[-1] = ('#endif' +
+                      ('  // {}\n'.format(valid_guard) if cpp_header
+                       else ' /* {} */\n'.format(valid_guard)))
+        if fix:
+            fcontents = '\n'.join(flines)
+            save(fpath, fcontents)
+      else:
+        # something else is wrong, bail out
+        self.fail(fpath, endif_re, flines[-1], '', '', False)
+    elif match.group(1) != running_guard:
+      # Is the #endif guard the same as the #ifndef and #define guards?
+      fcontents = self.fail(fpath, endif_re, fcontents, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    return not self.failed  # Did the check succeed? (ie, not failed)
+
+# find our home
+ROOT = os.path.abspath(
+    os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+os.chdir(ROOT)
+
+# parse command line
+argp = argparse.ArgumentParser(description='include guard checker')
+argp.add_argument('-f', '--fix',
+                  default=False,
+                  action='store_true');
+argp.add_argument('--precommit',
+                  default=False,
+                  action='store_true')
+args = argp.parse_args()
+
+KNOWN_BAD = set([
+    'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+])
+
+
+grep_filter = r"grep -E '^(include|src/core)/.*\.h$'"
+if args.precommit:
+  git_command = 'git diff --name-only HEAD'
+else:
+  git_command = 'git ls-tree -r --name-only -r HEAD'
+
+FILE_LIST_COMMAND = ' | '.join((git_command, grep_filter))
+
+# scan files
+ok = True
+filename_list = []
+try:
+  filename_list = subprocess.check_output(FILE_LIST_COMMAND,
+                                          shell=True).splitlines()
+except subprocess.CalledProcessError:
+  sys.exit(0)
+
+validator = GuardValidator()
+
+for filename in filename_list:
+  if filename in KNOWN_BAD: continue
+  ok = validator.check(filename, args.fix)
+
+sys.exit(0 if ok else 1)
diff --git a/tools/distrib/check_nanopb_output.sh b/tools/distrib/check_nanopb_output.sh
new file mode 100755
index 0000000000..4f68e4c596
--- /dev/null
+++ b/tools/distrib/check_nanopb_output.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+readonly NANOPB_TMP_OUTPUT="$(mktemp -d)"
+
+# install protoc version 3
+pushd third_party/protobuf
+./autogen.sh
+./configure
+make
+make install
+ldconfig
+popd
+
+if [ ! -x "/usr/local/bin/protoc" ]; then
+  echo "Error: protoc not found in path"
+  exit 1
+fi
+readonly PROTOC_PATH='/usr/local/bin'
+# stack up and change to nanopb's proto generator directory
+pushd third_party/nanopb/generator/proto
+PATH="$PROTOC_PATH:$PATH" make
+
+# back to the root directory
+popd
+
+
+# nanopb-compile the proto to a temp location
+PATH="$PROTOC_PATH:$PATH" ./tools/codegen/core/gen_load_balancing_proto.sh \
+  src/proto/grpc/lb/v0/load_balancer.proto \
+  $NANOPB_TMP_OUTPUT
+
+# compare outputs to checked compiled code
+if ! diff -r $NANOPB_TMP_OUTPUT src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0; then
+  echo "Outputs differ: $NANOPB_TMP_OUTPUT vs src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0"
+  exit 2
+fi
diff --git a/tools/distrib/check_vsprojects.py b/tools/distrib/check_vsprojects.py
new file mode 100755
index 0000000000..96dd2e4487
--- /dev/null
+++ b/tools/distrib/check_vsprojects.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import os
+import re
+import sys
+
+from lxml import etree
+
+
+def main():
+  root_dir = os.path.abspath(
+      os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+  os.chdir(root_dir)
+
+  project_re = re.compile('Project\(.*\) = ".+", "(.+)", "(.+)"')
+
+  known_projects = {}
+  with open(os.path.join('vsprojects', 'grpc.sln')) as f:
+    for line in f.readlines():
+      m = project_re.match(line)
+      if not m:
+        continue
+
+      vcxproj_path, project_guid = m.groups()
+      if os.name != 'nt':
+        vcxproj_path = vcxproj_path.replace('\\', '/')
+
+      known_projects[project_guid] = vcxproj_path
+
+  ok = True
+  for vcxproj_path in known_projects.values():
+    with open(os.path.join(root_dir, 'vsprojects', vcxproj_path)) as f:
+      tree = etree.parse(f)
+
+    namespaces = {'ns': 'http://schemas.microsoft.com/developer/msbuild/2003'}
+    referenced_projects = tree.getroot().xpath('/ns:Project/ns:ItemGroup'
+                                               '/ns:ProjectReference'
+                                               '/ns:Project',
+                                               namespaces=namespaces)
+    for referenced_project in referenced_projects:
+      # Project tag under ProjectReference is a GUID reference.
+      if referenced_project.text not in known_projects:
+        target_vcxproj = referenced_project.getparent().attrib['Include']
+        guid = referenced_project.text
+        print ('In project "%s", dependency "%s" (with GUID "%s") is not in '
+               'grpc.sln' % (vcxproj_path, target_vcxproj, guid))
+        ok = False
+
+  if not ok:
+    exit(1)
+
+
+if __name__ == '__main__':
+  main()
+
diff --git a/tools/distrib/check_windows_dlls.sh b/tools/distrib/check_windows_dlls.sh
index efb66e9e75..65ac353558 100755
--- a/tools/distrib/check_windows_dlls.sh
+++ b/tools/distrib/check_windows_dlls.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/clang_format_code.sh b/tools/distrib/clang_format_code.sh
index d904a841d4..858e074898 100755
--- a/tools/distrib/clang_format_code.sh
+++ b/tools/distrib/clang_format_code.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/python/docgen.py b/tools/distrib/python/docgen.py
index 4ac8f9c64a..72c65ad14a 100755
--- a/tools/distrib/python/docgen.py
+++ b/tools/distrib/python/docgen.py
@@ -51,29 +51,35 @@ SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 PROJECT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, '..', '..', '..'))
 
 CONFIG = args.config
-SETUP_PATH = os.path.join(PROJECT_ROOT, 'src/python/grpcio/setup.py')
-DOC_PATH = os.path.join(PROJECT_ROOT, 'src/python/grpcio/doc/build')
+SETUP_PATH = os.path.join(PROJECT_ROOT, 'setup.py')
+REQUIREMENTS_PATH = os.path.join(PROJECT_ROOT, 'requirements.txt')
+DOC_PATH = os.path.join(PROJECT_ROOT, 'doc/build')
 INCLUDE_PATH = os.path.join(PROJECT_ROOT, 'include')
 LIBRARY_PATH = os.path.join(PROJECT_ROOT, 'libs/{}'.format(CONFIG))
 VIRTUALENV_DIR = os.path.join(SCRIPT_DIR, 'distrib_virtualenv')
 VIRTUALENV_PYTHON_PATH = os.path.join(VIRTUALENV_DIR, 'bin', 'python')
+VIRTUALENV_PIP_PATH = os.path.join(VIRTUALENV_DIR, 'bin', 'pip')
 
 environment = os.environ.copy()
 environment.update({
     'CONFIG': CONFIG,
     'CFLAGS': '-I{}'.format(INCLUDE_PATH),
     'LDFLAGS': '-L{}'.format(LIBRARY_PATH),
-    'LD_LIBRARY_PATH': LIBRARY_PATH
+    'LD_LIBRARY_PATH': LIBRARY_PATH,
+    'GRPC_PYTHON_BUILD_WITH_CYTHON': '1',
 })
 
 subprocess_arguments_list = [
     {'args': ['make'], 'cwd': PROJECT_ROOT},
     {'args': ['virtualenv', VIRTUALENV_DIR], 'env': environment},
+    {'args': [VIRTUALENV_PIP_PATH, 'install', '-r', REQUIREMENTS_PATH],
+     'env': environment},
     {'args': [VIRTUALENV_PYTHON_PATH, SETUP_PATH, 'build'], 'env': environment},
     {'args': [VIRTUALENV_PYTHON_PATH, SETUP_PATH, 'doc'], 'env': environment},
 ]
 
 for subprocess_arguments in subprocess_arguments_list:
+  print('Running command: {}'.format(subprocess_arguments['args']))
   subprocess.check_call(**subprocess_arguments)
 
 if args.submit:
diff --git a/tools/distrib/python/submit.py b/tools/distrib/python/submit.py
index 9b012be672..f581b7705c 100755
--- a/tools/distrib/python/submit.py
+++ b/tools/distrib/python/submit.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/python_wrapper.sh b/tools/distrib/python_wrapper.sh
new file mode 100755
index 0000000000..347a715c85
--- /dev/null
+++ b/tools/distrib/python_wrapper.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+for p in python2.7 python2.6 python2 python not_found ; do 
+
+  python=`which $p || echo not_found`
+
+  if [ -x "$python" ] ; then
+    break
+  fi
+
+done
+
+if [ -x "$python" ] ; then
+  exec $python $@
+else
+  echo "No acceptable version of python found on the system"
+  exit 1
+fi
diff --git a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
index 03b5b364f8..c917b29113 100644
--- a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
index 1cadba3b7b..249095a47b 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
index be962828c2..9eda551d9c 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
index 3d04d032b5..85daea450d 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
index 5eec570491..ec16105155 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
index a6d60fb4b9..110aa2ab86 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
index 61472704d7..4ef076669b 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
index 9039c3c509..d9e64fe9d1 100644
--- a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
new file mode 100644
index 0000000000..e8cd6e760e
--- /dev/null
+++ b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
@@ -0,0 +1,32 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+RUN apt-get update && apt-get install -y php5 php5-dev php-pear phpunit
diff --git a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
index c4f2431080..2f79cc3017 100644
--- a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
index 79dae0742f..d4f473792e 100644
--- a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
index 114957b573..ca64fa7bea 100644
--- a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
index d58036410f..8b0f769c26 100644
--- a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,3 +30,8 @@
 FROM fedora:20
 
 RUN yum clean all && yum update -y && yum install -y python python-pip
+
+# Upgrading six would fail because of docker issue when using overlay.
+# Trying twice makes it work fine.
+# https://github.com/docker/docker/issues/10180
+RUN pip install --upgrade six || pip install --upgrade six
diff --git a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
index 1eb4c1e775..fcbe053f1f 100644
--- a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -35,3 +35,8 @@ FROM fedora:21
 RUN yum install -y yum-plugin-ovl
 
 RUN yum clean all && yum update -y && yum install -y python python-pip
+
+# Upgrading six would fail because of docker issue when using overlay.
+# Trying twice makes it work fine.
+# https://github.com/docker/docker/issues/10180
+RUN pip2 install --upgrade six || pip2 install --upgrade six
diff --git a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
index c6415946c3..ddcacb4257 100644
--- a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
index 6c834d2bc2..d45195e509 100644
--- a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
index 5778d604c8..83df4ed4fa 100644
--- a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
index e9cf99142b..19addb2912 100644
--- a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
index ea5d4c72a1..fe1406be98 100644
--- a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
index a48ce0eeef..4068fbe2ba 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
index 18dbfd4657..0858fb0c06 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
index 444a54d14b..ed6ffddbec 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
index 245ffb9413..9e3e0c260f 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
index a1ac3051ba..5098da8a26 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
index 46353b92d6..66165ee929 100644
--- a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
index f65b8690d7..dcfc07a681 100644
--- a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,9 @@ RUN yum install -y tar which
 
 # Install rvm
 RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-RUN \curl -sSL https://get.rvm.io | bash -s stable --ruby
+# Running the installation twice to work around docker issue when using overlay.
+# https://github.com/docker/docker/issues/10180
+RUN (curl -sSL https://get.rvm.io | bash -s stable --ruby) || (curl -sSL https://get.rvm.io | bash -s stable --ruby)
 
 RUN /bin/bash -l -c "echo '. /etc/profile.d/rvm.sh' >> ~/.bashrc"
 RUN /bin/bash -l -c "gem install --update bundler"
diff --git a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
index 85650201fb..056bd45ecc 100644
--- a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
index 437337ed9a..f4151e7c4f 100644
--- a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
index b567c5b109..78d7575a86 100644
--- a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
index 58d3d9341a..f574c62493 100644
--- a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
index 9f07f51e56..fe6c72aa69 100644
--- a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
index cc377b7a58..57f98efcd0 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
index 3fe3e2bdce..938bc5edf1 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
index c98d6911a3..c5b011316c 100644
--- a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
index 782368bf8d..0aab241be5 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
index 53fb4d5ab5..324f51e55c 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
index 3225166e63..762734bcb8 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
index df93360a64..3ac61a077e 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
index f0c2e80ac6..40fc6bea9e 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
index ee4e0fc5de..9ae2ee2934 100644
--- a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
index 41dc427454..d048b725c8 100644
--- a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
@@ -91,6 +91,13 @@ RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
 RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc"
 RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
 
+
+##################
+# PHP dependencies
+
+RUN apt-get update && apt-get install -y \
+    php5 php5-dev php-pear phpunit
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/dockerfile/grpc_artifact_protoc/Dockerfile b/tools/dockerfile/grpc_artifact_protoc/Dockerfile
new file mode 100644
index 0000000000..1bbc6e021b
--- /dev/null
+++ b/tools/dockerfile/grpc_artifact_protoc/Dockerfile
@@ -0,0 +1,63 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Docker file for building protoc and gRPC protoc plugin artifacts.
+# forked from https://github.com/google/protobuf/blob/master/protoc-artifacts/Dockerfile
+
+FROM centos:6.6
+
+RUN yum install -y git \
+                   tar \
+                   wget \
+                   make \
+                   autoconf \
+                   curl-devel \
+                   unzip \
+                   automake \
+                   libtool \
+                   glibc-static.i686 \
+                   glibc-devel \
+                   glibc-devel.i686
+
+# Install GCC 4.7 to support -static-libstdc++
+RUN wget http://people.centos.org/tru/devtools-1.1/devtools-1.1.repo -P /etc/yum.repos.d
+RUN bash -c 'echo "enabled=1" >> /etc/yum.repos.d/devtools-1.1.repo'
+RUN bash -c "sed -e 's/\$basearch/i386/g' /etc/yum.repos.d/devtools-1.1.repo > /etc/yum.repos.d/devtools-i386-1.1.repo"
+RUN sed -e 's/testing-/testing-i386-/g' -i /etc/yum.repos.d/devtools-i386-1.1.repo
+
+# We'll get and "Rpmdb checksum is invalid: dCDPT(pkg checksums)" error caused by
+# docker issue when using overlay storage driver, but all the stuff we need
+# will be installed, so for now we just ignore the error.
+# https://github.com/docker/docker/issues/10180
+RUN yum install -y devtoolset-1.1 \
+                   devtoolset-1.1-libstdc++-devel \
+                   devtoolset-1.1-libstdc++-devel.i686 || true
+
+# Start in devtoolset environment that uses GCC 4.7
+CMD ["scl", "enable", "devtoolset-1.1", "bash"]
diff --git a/tools/dockerfile/grpc_clang_format/Dockerfile b/tools/dockerfile/grpc_clang_format/Dockerfile
index 4b101f6f53..41239e9c23 100644
--- a/tools/dockerfile/grpc_clang_format/Dockerfile
+++ b/tools/dockerfile/grpc_clang_format/Dockerfile
@@ -27,9 +27,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-FROM ubuntu:vivid
+FROM ubuntu:wily
 RUN apt-get update
-RUN apt-get -y install clang-format-3.6
+RUN apt-get -y install wget
+RUN echo deb http://llvm.org/apt/wily/ llvm-toolchain-wily main >> /etc/apt/sources.list
+RUN echo deb-src http://llvm.org/apt/wily/ llvm-toolchain-wily main >> /etc/apt/sources.list
+RUN wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key| apt-key add -
+RUN apt-get update
+RUN apt-get -y install clang-format-3.8
 ADD clang_format_all_the_things.sh /
 CMD ["echo 'Run with tools/distrib/clang_format_code.sh'"]
-
diff --git a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
index dd8ea1ac30..6f4155944c 100755
--- a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
+++ b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,20 @@
 set -e
 
 # directories to run against
-DIRS="src/core src/cpp test/core test/cpp include"
+DIRS="src/core/lib src/core/ext src/cpp test/core test/cpp include"
 
 # file matching patterns to check
 GLOB="*.h *.c *.cc"
 
 # clang format command
-CLANG_FORMAT=clang-format-3.6
+CLANG_FORMAT=clang-format-3.8
 
 files=
 for dir in $DIRS
 do
   for glob in $GLOB
   do
-    files="$files `find /local-code/$dir -name $glob -and -not -name *.generated.*`"
+    files="$files `find /local-code/$dir -name $glob -and -not -name *.generated.* -and -not -name *.pb.h -and -not -name *.pb.c`"
   done
 done
 
diff --git a/tools/dockerfile/grpc_interop_csharp/Dockerfile b/tools/dockerfile/grpc_interop_csharp/Dockerfile
index c3c79487f7..93cd25010e 100644
--- a/tools/dockerfile/grpc_interop_csharp/Dockerfile
+++ b/tools/dockerfile/grpc_interop_csharp/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -80,13 +80,9 @@ RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat
 # Install dependencies
 RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
     mono-devel \
-    nunit \
-    nunit-console \
-    monodevelop
-
-# Download NuGet
-RUN cd /var/local && wget www.nuget.org/NuGet.exe
-ENV NUGET mono /var/local/NuGet.exe
+    ca-certificates-mono \
+    nuget \
+    && apt-get clean
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_csharp/build_interop.sh b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
index 5ad525f41c..fd5436c44f 100755
--- a/tools/dockerfile/grpc_interop_csharp/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,4 @@ cp -r /var/local/jenkins/service_account $HOME || true
 cd /var/local/git/grpc
 
 # build C# interop client & server
-make CONFIG=dbg grpc_csharp_ext
-(cd src/csharp && mono /var/local/NuGet.exe restore Grpc.sln)
-(cd src/csharp && xbuild Grpc.sln)
+tools/run_tests/run_tests.py -l csharp -c dbg --build_only
diff --git a/tools/dockerfile/grpc_interop_cxx/Dockerfile b/tools/dockerfile/grpc_interop_cxx/Dockerfile
index 58a8c32e34..1fa1907533 100644
--- a/tools/dockerfile/grpc_interop_cxx/Dockerfile
+++ b/tools/dockerfile/grpc_interop_cxx/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_cxx/build_interop.sh b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
index 903c31b3e7..1c0828d23a 100755
--- a/tools/dockerfile/grpc_interop_cxx/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_go/Dockerfile b/tools/dockerfile/grpc_interop_go/Dockerfile
index f83e18c8a3..bb60f09f24 100644
--- a/tools/dockerfile/grpc_interop_go/Dockerfile
+++ b/tools/dockerfile/grpc_interop_go/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_go/build_interop.sh b/tools/dockerfile/grpc_interop_go/build_interop.sh
index 224b0040c0..e891549342 100755
--- a/tools/dockerfile/grpc_interop_go/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_go/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_http2/Dockerfile b/tools/dockerfile/grpc_interop_http2/Dockerfile
index f83e18c8a3..bb60f09f24 100644
--- a/tools/dockerfile/grpc_interop_http2/Dockerfile
+++ b/tools/dockerfile/grpc_interop_http2/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_http2/build_interop.sh b/tools/dockerfile/grpc_interop_http2/build_interop.sh
index 5f701e34c0..46ddaf929a 100755
--- a/tools/dockerfile/grpc_interop_http2/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_http2/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/Dockerfile b/tools/dockerfile/grpc_interop_java/Dockerfile
index 8bfb796c24..370657b651 100644
--- a/tools/dockerfile/grpc_interop_java/Dockerfile
+++ b/tools/dockerfile/grpc_interop_java/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/build_interop.sh b/tools/dockerfile/grpc_interop_java/build_interop.sh
index 9c9591abd8..9997c63308 100755
--- a/tools/dockerfile/grpc_interop_java/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_java/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/Dockerfile b/tools/dockerfile/grpc_interop_node/Dockerfile
index 3f0f918ad9..db5aff844d 100644
--- a/tools/dockerfile/grpc_interop_node/Dockerfile
+++ b/tools/dockerfile/grpc_interop_node/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/build_interop.sh b/tools/dockerfile/grpc_interop_node/build_interop.sh
index 526dd61fdf..4d4290d0b4 100755
--- a/tools/dockerfile/grpc_interop_node/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_node/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/Dockerfile b/tools/dockerfile/grpc_interop_php/Dockerfile
index 4f5b3fcb77..cf3e79176a 100644
--- a/tools/dockerfile/grpc_interop_php/Dockerfile
+++ b/tools/dockerfile/grpc_interop_php/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/build_interop.sh b/tools/dockerfile/grpc_interop_php/build_interop.sh
index 2bffbd8938..87262f1d62 100755
--- a/tools/dockerfile/grpc_interop_php/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_php/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/Dockerfile b/tools/dockerfile/grpc_interop_python/Dockerfile
index ef4432d260..047604b1b7 100644
--- a/tools/dockerfile/grpc_interop_python/Dockerfile
+++ b/tools/dockerfile/grpc_interop_python/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/build_interop.sh b/tools/dockerfile/grpc_interop_python/build_interop.sh
index ed736809bc..6454a4f5e2 100755
--- a/tools/dockerfile/grpc_interop_python/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_python/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/Dockerfile b/tools/dockerfile/grpc_interop_ruby/Dockerfile
index b3383afe79..ff201fa291 100644
--- a/tools/dockerfile/grpc_interop_ruby/Dockerfile
+++ b/tools/dockerfile/grpc_interop_ruby/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/build_interop.sh b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
index 84fd4995f1..685397bac2 100755
--- a/tools/dockerfile/grpc_interop_ruby/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_linuxbrew/Dockerfile b/tools/dockerfile/grpc_linuxbrew/Dockerfile
index 8c179da6c8..848489e091 100644
--- a/tools/dockerfile/grpc_linuxbrew/Dockerfile
+++ b/tools/dockerfile/grpc_linuxbrew/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
new file mode 100644
index 0000000000..556a26ee13
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
@@ -0,0 +1,117 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
index 6ed3ccb3fa..b67b1a1664 100755
--- a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -41,5 +41,7 @@ cd /var/local/git/grpc
 
 make install-certs
 
+BUILD_TYPE=${BUILD_TYPE:=opt}
+
 # build C++ interop stress client, interop client and server
-make stress_test interop_client interop_server
+make CONFIG=$BUILD_TYPE stress_test metrics_client interop_client interop_server
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
new file mode 100644
index 0000000000..f70add4e31
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
@@ -0,0 +1,95 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
new file mode 100755
index 0000000000..b99fd444ee
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds Node interop server and client in a base image.
+set -e
+
+mkdir -p /var/local/git
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+cd /var/local/git/grpc
+nvm use 0.12
+nvm alias default 0.12  # prevent the need to run 'nvm use' in every shell
+
+# build Node interop client & server
+npm install -g node-gyp
+npm install --unsafe-perm --build-from-source
diff --git a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
index 0052de6130..baab2f5638 100644
--- a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
index e3ed39dfe6..6492158929 100644
--- a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -67,6 +67,39 @@ RUN apt-get update && apt-get install -y time && apt-get clean
 # C++ dependencies
 RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
 
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
 RUN ln -s /usr/bin/ccache /usr/local/bin/g++
diff --git a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
index 9a8f2b1cca..92c9c4ce86 100644
--- a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
index 58a8c32e34..1e43e6b25c 100644
--- a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
+++ b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,12 +27,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# A work-in-progress Dockerfile that allows running gRPC test suites
-# inside a docker container.
+FROM ubuntu:14.04
 
-FROM debian:jessie
-
-# Install Git.
+# Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
   autoconf \
   autotools-dev \
@@ -43,13 +40,16 @@ RUN apt-get update && apt-get install -y \
   gcc \
   gcc-multilib \
   git \
+  golang \
   gyp \
+  lcov \
   libc6 \
   libc6-dbg \
   libc6-dev \
   libgtest-dev \
   libtool \
   make \
+  perl \
   strace \
   python-dev \
   python-setuptools \
@@ -59,6 +59,14 @@ RUN apt-get update && apt-get install -y \
   wget \
   zip && apt-get clean
 
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
 RUN ln -s /usr/bin/ccache /usr/local/bin/g++
@@ -67,9 +75,12 @@ RUN ln -s /usr/bin/ccache /usr/local/bin/c++
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
 
-##################
-# C++ dependencies
-RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
new file mode 100644
index 0000000000..02d3c0d9ad
--- /dev/null
+++ b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
@@ -0,0 +1,86 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM ubuntu:16.04
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile b/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile
new file mode 100644
index 0000000000..6f330f9166
--- /dev/null
+++ b/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile
@@ -0,0 +1,95 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:wheezy
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+
+RUN apt-get update && apt-get install -y \
+  gcc-4.4 \
+  gcc-4.4-multilib
+
+RUN wget https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz
+
+ENV POST_GIT_STEP tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh b/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
new file mode 100755
index 0000000000..dfde93b1bd
--- /dev/null
+++ b/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd /var/local/git/grpc
+cp /openssl-1.0.2f.tar.gz third_party
+./tools/openssl/use_openssl.sh
diff --git a/tools/dockerfile/test/fuzzer/Dockerfile b/tools/dockerfile/test/fuzzer/Dockerfile
new file mode 100644
index 0000000000..6ba31114ab
--- /dev/null
+++ b/tools/dockerfile/test/fuzzer/Dockerfile
@@ -0,0 +1,123 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+RUN clang++ -c -g -O2 -std=c++11 llvm/lib/Fuzzer/*.cpp -IFuzzer
+RUN ar ruv libFuzzer.a Fuzzer*.o
+RUN mv libFuzzer.a /usr/lib
+RUN rm -f Fuzzer*.o
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/multilang_jessie_x64/Dockerfile b/tools/dockerfile/test/multilang_jessie_x64/Dockerfile
new file mode 100644
index 0000000000..71ebf2bf71
--- /dev/null
+++ b/tools/dockerfile/test/multilang_jessie_x64/Dockerfile
@@ -0,0 +1,155 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#================
+# C# dependencies
+
+# Update to a newer version of mono
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy main" | tee /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+
+# Install dependencies
+RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
+    mono-devel \
+    ca-certificates-mono \
+    nuget \
+    && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+
+#=================
+# PHP dependencies
+
+# Install dependencies
+
+RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
+
+RUN apt-get update && apt-get install -y \
+    git php5 php5-dev phpunit unzip
+
+#==================
+# Ruby dependencies
+
+# Install rvm
+RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+RUN \curl -sSL https://get.rvm.io | bash -s stable
+
+# Install Ruby 2.1
+RUN /bin/bash -l -c "rvm install ruby-2.1"
+RUN /bin/bash -l -c "rvm use --default ruby-2.1"
+RUN /bin/bash -l -c "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
+RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
+RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc"
+RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
+
+#====================
+# Python dependencies
+
+# Install dependencies
+
+RUN apt-get update && apt-get install -y \
+    python-all-dev \
+    python3-all-dev \
+    python-pip
+
+# Install Python packages from PyPI
+RUN pip install pip --upgrade
+RUN pip install virtualenv
+RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 tox
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/node_jessie_x64/Dockerfile b/tools/dockerfile/test/node_jessie_x64/Dockerfile
index 0655bf7179..64314f8864 100644
--- a/tools/dockerfile/test/node_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/node_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/php_jessie_x64/Dockerfile b/tools/dockerfile/test/php_jessie_x64/Dockerfile
index 43081e7d38..d8d27846c1 100644
--- a/tools/dockerfile/test/php_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/php_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/python_jessie_x64/Dockerfile b/tools/dockerfile/test/python_jessie_x64/Dockerfile
index 7ed8b4c085..071fb2c93b 100644
--- a/tools/dockerfile/test/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
index 91af772d72..df8eef5438 100644
--- a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/sanity/Dockerfile b/tools/dockerfile/test/sanity/Dockerfile
index 1935f67560..3146a922b7 100644
--- a/tools/dockerfile/test/sanity/Dockerfile
+++ b/tools/dockerfile/test/sanity/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -65,7 +65,14 @@ RUN apt-get update && apt-get install -y time && apt-get clean
 
 #========================
 # Sanity test dependencies
-RUN apt-get update && apt-get install -y python-pip
+RUN apt-get update && apt-get install -y \
+      python-pip \
+      autoconf \
+      automake \
+      libtool \
+      curl \
+      python-virtualenv \
+      python-lxml
 RUN pip install simplejson mako
 
 #===================
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index dd5c8ece26..8d0c6e6c93 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -795,8 +795,6 @@ include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
@@ -813,8 +811,7 @@ include/grpc++/impl/codegen/client_context.h \
 include/grpc++/impl/codegen/client_unary_call.h \
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/impl/codegen/core_codegen_interface.h \
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
 include/grpc++/impl/codegen/proto_utils.h \
@@ -833,7 +830,31 @@ include/grpc++/impl/codegen/sync.h \
 include/grpc++/impl/codegen/sync_cxx11.h \
 include/grpc++/impl/codegen/sync_no_cxx11.h \
 include/grpc++/impl/codegen/sync_stream.h \
-include/grpc++/impl/codegen/time.h
+include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index d5e5df86f6..01bafbb600 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -795,8 +795,6 @@ include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
@@ -813,8 +811,7 @@ include/grpc++/impl/codegen/client_context.h \
 include/grpc++/impl/codegen/client_unary_call.h \
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/impl/codegen/core_codegen_interface.h \
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
 include/grpc++/impl/codegen/proto_utils.h \
@@ -834,7 +831,32 @@ include/grpc++/impl/codegen/sync_cxx11.h \
 include/grpc++/impl/codegen/sync_no_cxx11.h \
 include/grpc++/impl/codegen/sync_stream.h \
 include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h \
 src/cpp/client/secure_credentials.h \
+src/cpp/common/core_codegen.h \
 src/cpp/common/secure_auth_context.h \
 src/cpp/server/secure_server_credentials.h \
 src/cpp/client/create_channel_internal.h \
@@ -854,12 +876,10 @@ src/cpp/client/create_channel_internal.cc \
 src/cpp/client/credentials.cc \
 src/cpp/client/generic_stub.cc \
 src/cpp/client/insecure_credentials.cc \
-src/cpp/common/alarm.cc \
-src/cpp/common/call.cc \
 src/cpp/common/channel_arguments.cc \
 src/cpp/common/completion_queue.cc \
+src/cpp/common/core_codegen.cc \
 src/cpp/common/rpc_method.cc \
-src/cpp/proto/proto_utils.cc \
 src/cpp/server/async_generic_service.cc \
 src/cpp/server/create_default_thread_pool.cc \
 src/cpp/server/dynamic_thread_pool.cc \
@@ -873,7 +893,7 @@ src/cpp/util/slice.cc \
 src/cpp/util/status.cc \
 src/cpp/util/string_ref.cc \
 src/cpp/util/time.cc \
-src/cpp/codegen/grpc_library.cc
+src/cpp/codegen/codegen_init.cc
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index a9b14c8aff..de6fd0de49 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -760,18 +760,32 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc/grpc_security.h \
+INPUT                  = include/grpc/byte_buffer.h \
+include/grpc/byte_buffer_reader.h \
+include/grpc/compression.h \
+include/grpc/grpc.h \
+include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
-include/grpc/byte_buffer.h \
-include/grpc/byte_buffer_reader.h \
-include/grpc/compression.h \
-include/grpc/grpc.h \
-include/grpc/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
 include/grpc/census.h \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 219ca7ff7e..4b3c8ab4bf 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -760,305 +760,334 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc/grpc_security.h \
+INPUT                  = include/grpc/byte_buffer.h \
+include/grpc/byte_buffer_reader.h \
+include/grpc/compression.h \
+include/grpc/grpc.h \
+include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
-include/grpc/byte_buffer.h \
-include/grpc/byte_buffer_reader.h \
-include/grpc/compression.h \
-include/grpc/grpc.h \
-include/grpc/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
 include/grpc/census.h \
-src/core/security/auth_filters.h \
-src/core/security/base64.h \
-src/core/security/credentials.h \
-src/core/security/handshake.h \
-src/core/security/json_token.h \
-src/core/security/jwt_verifier.h \
-src/core/security/secure_endpoint.h \
-src/core/security/security_connector.h \
-src/core/security/security_context.h \
-src/core/tsi/fake_transport_security.h \
-src/core/tsi/ssl_transport_security.h \
-src/core/tsi/ssl_types.h \
-src/core/tsi/transport_security.h \
-src/core/tsi/transport_security_interface.h \
-src/core/census/grpc_filter.h \
-src/core/channel/channel_args.h \
-src/core/channel/channel_stack.h \
-src/core/channel/client_channel.h \
-src/core/channel/client_uchannel.h \
-src/core/channel/compress_filter.h \
-src/core/channel/connected_channel.h \
-src/core/channel/context.h \
-src/core/channel/http_client_filter.h \
-src/core/channel/http_server_filter.h \
-src/core/channel/subchannel_call_holder.h \
-src/core/client_config/client_config.h \
-src/core/client_config/connector.h \
-src/core/client_config/initial_connect_string.h \
-src/core/client_config/lb_policies/pick_first.h \
-src/core/client_config/lb_policies/round_robin.h \
-src/core/client_config/lb_policy.h \
-src/core/client_config/lb_policy_factory.h \
-src/core/client_config/lb_policy_registry.h \
-src/core/client_config/resolver.h \
-src/core/client_config/resolver_factory.h \
-src/core/client_config/resolver_registry.h \
-src/core/client_config/resolvers/dns_resolver.h \
-src/core/client_config/resolvers/sockaddr_resolver.h \
-src/core/client_config/subchannel.h \
-src/core/client_config/subchannel_factory.h \
-src/core/client_config/subchannel_index.h \
-src/core/client_config/uri_parser.h \
-src/core/compression/algorithm_metadata.h \
-src/core/compression/message_compress.h \
-src/core/debug/trace.h \
-src/core/httpcli/format_request.h \
-src/core/httpcli/httpcli.h \
-src/core/httpcli/parser.h \
-src/core/iomgr/closure.h \
-src/core/iomgr/endpoint.h \
-src/core/iomgr/endpoint_pair.h \
-src/core/iomgr/exec_ctx.h \
-src/core/iomgr/executor.h \
-src/core/iomgr/fd_posix.h \
-src/core/iomgr/iocp_windows.h \
-src/core/iomgr/iomgr.h \
-src/core/iomgr/iomgr_internal.h \
-src/core/iomgr/iomgr_posix.h \
-src/core/iomgr/pollset.h \
-src/core/iomgr/pollset_posix.h \
-src/core/iomgr/pollset_set.h \
-src/core/iomgr/pollset_set_posix.h \
-src/core/iomgr/pollset_set_windows.h \
-src/core/iomgr/pollset_windows.h \
-src/core/iomgr/resolve_address.h \
-src/core/iomgr/sockaddr.h \
-src/core/iomgr/sockaddr_posix.h \
-src/core/iomgr/sockaddr_utils.h \
-src/core/iomgr/sockaddr_win32.h \
-src/core/iomgr/socket_utils_posix.h \
-src/core/iomgr/socket_windows.h \
-src/core/iomgr/tcp_client.h \
-src/core/iomgr/tcp_posix.h \
-src/core/iomgr/tcp_server.h \
-src/core/iomgr/tcp_windows.h \
-src/core/iomgr/time_averaged_stats.h \
-src/core/iomgr/timer.h \
-src/core/iomgr/timer_heap.h \
-src/core/iomgr/timer_internal.h \
-src/core/iomgr/udp_server.h \
-src/core/iomgr/wakeup_fd_pipe.h \
-src/core/iomgr/wakeup_fd_posix.h \
-src/core/iomgr/workqueue.h \
-src/core/iomgr/workqueue_posix.h \
-src/core/iomgr/workqueue_windows.h \
-src/core/json/json.h \
-src/core/json/json_common.h \
-src/core/json/json_reader.h \
-src/core/json/json_writer.h \
-src/core/statistics/census_interface.h \
-src/core/statistics/census_rpc_stats.h \
-src/core/surface/api_trace.h \
-src/core/surface/call.h \
-src/core/surface/call_test_only.h \
-src/core/surface/channel.h \
-src/core/surface/completion_queue.h \
-src/core/surface/event_string.h \
-src/core/surface/init.h \
-src/core/surface/server.h \
-src/core/surface/surface_trace.h \
-src/core/transport/byte_stream.h \
-src/core/transport/chttp2/alpn.h \
-src/core/transport/chttp2/bin_encoder.h \
-src/core/transport/chttp2/frame.h \
-src/core/transport/chttp2/frame_data.h \
-src/core/transport/chttp2/frame_goaway.h \
-src/core/transport/chttp2/frame_ping.h \
-src/core/transport/chttp2/frame_rst_stream.h \
-src/core/transport/chttp2/frame_settings.h \
-src/core/transport/chttp2/frame_window_update.h \
-src/core/transport/chttp2/hpack_encoder.h \
-src/core/transport/chttp2/hpack_parser.h \
-src/core/transport/chttp2/hpack_table.h \
-src/core/transport/chttp2/http2_errors.h \
-src/core/transport/chttp2/huffsyms.h \
-src/core/transport/chttp2/incoming_metadata.h \
-src/core/transport/chttp2/internal.h \
-src/core/transport/chttp2/status_conversion.h \
-src/core/transport/chttp2/stream_map.h \
-src/core/transport/chttp2/timeout_encoding.h \
-src/core/transport/chttp2/varint.h \
-src/core/transport/chttp2_transport.h \
-src/core/transport/connectivity_state.h \
-src/core/transport/metadata.h \
-src/core/transport/metadata_batch.h \
-src/core/transport/static_metadata.h \
-src/core/transport/transport.h \
-src/core/transport/transport_impl.h \
-src/core/census/aggregation.h \
-src/core/census/log.h \
-src/core/census/rpc_metric_id.h \
-src/core/httpcli/httpcli_security_connector.c \
-src/core/security/base64.c \
-src/core/security/client_auth_filter.c \
-src/core/security/credentials.c \
-src/core/security/credentials_metadata.c \
-src/core/security/credentials_posix.c \
-src/core/security/credentials_win32.c \
-src/core/security/google_default_credentials.c \
-src/core/security/handshake.c \
-src/core/security/json_token.c \
-src/core/security/jwt_verifier.c \
-src/core/security/secure_endpoint.c \
-src/core/security/security_connector.c \
-src/core/security/security_context.c \
-src/core/security/server_auth_filter.c \
-src/core/security/server_secure_chttp2.c \
-src/core/surface/init_secure.c \
-src/core/surface/secure_channel_create.c \
-src/core/tsi/fake_transport_security.c \
-src/core/tsi/ssl_transport_security.c \
-src/core/tsi/transport_security.c \
-src/core/census/grpc_context.c \
-src/core/census/grpc_filter.c \
-src/core/channel/channel_args.c \
-src/core/channel/channel_stack.c \
-src/core/channel/client_channel.c \
-src/core/channel/client_uchannel.c \
-src/core/channel/compress_filter.c \
-src/core/channel/connected_channel.c \
-src/core/channel/http_client_filter.c \
-src/core/channel/http_server_filter.c \
-src/core/channel/subchannel_call_holder.c \
-src/core/client_config/client_config.c \
-src/core/client_config/connector.c \
-src/core/client_config/default_initial_connect_string.c \
-src/core/client_config/initial_connect_string.c \
-src/core/client_config/lb_policies/pick_first.c \
-src/core/client_config/lb_policies/round_robin.c \
-src/core/client_config/lb_policy.c \
-src/core/client_config/lb_policy_factory.c \
-src/core/client_config/lb_policy_registry.c \
-src/core/client_config/resolver.c \
-src/core/client_config/resolver_factory.c \
-src/core/client_config/resolver_registry.c \
-src/core/client_config/resolvers/dns_resolver.c \
-src/core/client_config/resolvers/sockaddr_resolver.c \
-src/core/client_config/subchannel.c \
-src/core/client_config/subchannel_factory.c \
-src/core/client_config/subchannel_index.c \
-src/core/client_config/uri_parser.c \
-src/core/compression/algorithm.c \
-src/core/compression/message_compress.c \
-src/core/debug/trace.c \
-src/core/httpcli/format_request.c \
-src/core/httpcli/httpcli.c \
-src/core/httpcli/parser.c \
-src/core/iomgr/closure.c \
-src/core/iomgr/endpoint.c \
-src/core/iomgr/endpoint_pair_posix.c \
-src/core/iomgr/endpoint_pair_windows.c \
-src/core/iomgr/exec_ctx.c \
-src/core/iomgr/executor.c \
-src/core/iomgr/fd_posix.c \
-src/core/iomgr/iocp_windows.c \
-src/core/iomgr/iomgr.c \
-src/core/iomgr/iomgr_posix.c \
-src/core/iomgr/iomgr_windows.c \
-src/core/iomgr/pollset_multipoller_with_epoll.c \
-src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-src/core/iomgr/pollset_posix.c \
-src/core/iomgr/pollset_set_posix.c \
-src/core/iomgr/pollset_set_windows.c \
-src/core/iomgr/pollset_windows.c \
-src/core/iomgr/resolve_address_posix.c \
-src/core/iomgr/resolve_address_windows.c \
-src/core/iomgr/sockaddr_utils.c \
-src/core/iomgr/socket_utils_common_posix.c \
-src/core/iomgr/socket_utils_linux.c \
-src/core/iomgr/socket_utils_posix.c \
-src/core/iomgr/socket_windows.c \
-src/core/iomgr/tcp_client_posix.c \
-src/core/iomgr/tcp_client_windows.c \
-src/core/iomgr/tcp_posix.c \
-src/core/iomgr/tcp_server_posix.c \
-src/core/iomgr/tcp_server_windows.c \
-src/core/iomgr/tcp_windows.c \
-src/core/iomgr/time_averaged_stats.c \
-src/core/iomgr/timer.c \
-src/core/iomgr/timer_heap.c \
-src/core/iomgr/udp_server.c \
-src/core/iomgr/wakeup_fd_eventfd.c \
-src/core/iomgr/wakeup_fd_nospecial.c \
-src/core/iomgr/wakeup_fd_pipe.c \
-src/core/iomgr/wakeup_fd_posix.c \
-src/core/iomgr/workqueue_posix.c \
-src/core/iomgr/workqueue_windows.c \
-src/core/json/json.c \
-src/core/json/json_reader.c \
-src/core/json/json_string.c \
-src/core/json/json_writer.c \
-src/core/surface/alarm.c \
-src/core/surface/api_trace.c \
-src/core/surface/byte_buffer.c \
-src/core/surface/byte_buffer_reader.c \
-src/core/surface/call.c \
-src/core/surface/call_details.c \
-src/core/surface/call_log_batch.c \
-src/core/surface/channel.c \
-src/core/surface/channel_connectivity.c \
-src/core/surface/channel_create.c \
-src/core/surface/channel_ping.c \
-src/core/surface/completion_queue.c \
-src/core/surface/event_string.c \
-src/core/surface/init.c \
-src/core/surface/lame_client.c \
-src/core/surface/metadata_array.c \
-src/core/surface/server.c \
-src/core/surface/server_chttp2.c \
-src/core/surface/server_create.c \
-src/core/surface/validate_metadata.c \
-src/core/surface/version.c \
-src/core/transport/byte_stream.c \
-src/core/transport/chttp2/alpn.c \
-src/core/transport/chttp2/bin_encoder.c \
-src/core/transport/chttp2/frame_data.c \
-src/core/transport/chttp2/frame_goaway.c \
-src/core/transport/chttp2/frame_ping.c \
-src/core/transport/chttp2/frame_rst_stream.c \
-src/core/transport/chttp2/frame_settings.c \
-src/core/transport/chttp2/frame_window_update.c \
-src/core/transport/chttp2/hpack_encoder.c \
-src/core/transport/chttp2/hpack_parser.c \
-src/core/transport/chttp2/hpack_table.c \
-src/core/transport/chttp2/huffsyms.c \
-src/core/transport/chttp2/incoming_metadata.c \
-src/core/transport/chttp2/parsing.c \
-src/core/transport/chttp2/status_conversion.c \
-src/core/transport/chttp2/stream_lists.c \
-src/core/transport/chttp2/stream_map.c \
-src/core/transport/chttp2/timeout_encoding.c \
-src/core/transport/chttp2/varint.c \
-src/core/transport/chttp2/writing.c \
-src/core/transport/chttp2_transport.c \
-src/core/transport/connectivity_state.c \
-src/core/transport/metadata.c \
-src/core/transport/metadata_batch.c \
-src/core/transport/static_metadata.c \
-src/core/transport/transport.c \
-src/core/transport/transport_op_string.c \
-src/core/census/context.c \
-src/core/census/initialize.c \
-src/core/census/log.c \
-src/core/census/operation.c \
-src/core/census/placeholders.c \
-src/core/census/tracing.c \
+src/core/lib/channel/channel_args.h \
+src/core/lib/channel/channel_stack.h \
+src/core/lib/channel/channel_stack_builder.h \
+src/core/lib/channel/compress_filter.h \
+src/core/lib/channel/connected_channel.h \
+src/core/lib/channel/context.h \
+src/core/lib/channel/http_client_filter.h \
+src/core/lib/channel/http_server_filter.h \
+src/core/lib/compression/algorithm_metadata.h \
+src/core/lib/compression/message_compress.h \
+src/core/lib/debug/trace.h \
+src/core/lib/http/format_request.h \
+src/core/lib/http/httpcli.h \
+src/core/lib/http/parser.h \
+src/core/lib/iomgr/closure.h \
+src/core/lib/iomgr/endpoint.h \
+src/core/lib/iomgr/endpoint_pair.h \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.h \
+src/core/lib/iomgr/ev_posix.h \
+src/core/lib/iomgr/exec_ctx.h \
+src/core/lib/iomgr/executor.h \
+src/core/lib/iomgr/iocp_windows.h \
+src/core/lib/iomgr/iomgr.h \
+src/core/lib/iomgr/iomgr_internal.h \
+src/core/lib/iomgr/iomgr_posix.h \
+src/core/lib/iomgr/pollset.h \
+src/core/lib/iomgr/pollset_set.h \
+src/core/lib/iomgr/pollset_set_windows.h \
+src/core/lib/iomgr/pollset_windows.h \
+src/core/lib/iomgr/resolve_address.h \
+src/core/lib/iomgr/sockaddr.h \
+src/core/lib/iomgr/sockaddr_posix.h \
+src/core/lib/iomgr/sockaddr_utils.h \
+src/core/lib/iomgr/sockaddr_win32.h \
+src/core/lib/iomgr/socket_utils_posix.h \
+src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/tcp_client.h \
+src/core/lib/iomgr/tcp_posix.h \
+src/core/lib/iomgr/tcp_server.h \
+src/core/lib/iomgr/tcp_windows.h \
+src/core/lib/iomgr/time_averaged_stats.h \
+src/core/lib/iomgr/timer.h \
+src/core/lib/iomgr/timer_heap.h \
+src/core/lib/iomgr/udp_server.h \
+src/core/lib/iomgr/unix_sockets_posix.h \
+src/core/lib/iomgr/wakeup_fd_pipe.h \
+src/core/lib/iomgr/wakeup_fd_posix.h \
+src/core/lib/iomgr/workqueue.h \
+src/core/lib/iomgr/workqueue_posix.h \
+src/core/lib/iomgr/workqueue_windows.h \
+src/core/lib/json/json.h \
+src/core/lib/json/json_common.h \
+src/core/lib/json/json_reader.h \
+src/core/lib/json/json_writer.h \
+src/core/lib/surface/api_trace.h \
+src/core/lib/surface/call.h \
+src/core/lib/surface/call_test_only.h \
+src/core/lib/surface/channel.h \
+src/core/lib/surface/channel_init.h \
+src/core/lib/surface/channel_stack_type.h \
+src/core/lib/surface/completion_queue.h \
+src/core/lib/surface/event_string.h \
+src/core/lib/surface/init.h \
+src/core/lib/surface/lame_client.h \
+src/core/lib/surface/server.h \
+src/core/lib/surface/surface_trace.h \
+src/core/lib/transport/byte_stream.h \
+src/core/lib/transport/connectivity_state.h \
+src/core/lib/transport/metadata.h \
+src/core/lib/transport/metadata_batch.h \
+src/core/lib/transport/static_metadata.h \
+src/core/lib/transport/transport.h \
+src/core/lib/transport/transport_impl.h \
+src/core/ext/transport/chttp2/transport/bin_encoder.h \
+src/core/ext/transport/chttp2/transport/chttp2_transport.h \
+src/core/ext/transport/chttp2/transport/frame.h \
+src/core/ext/transport/chttp2/transport/frame_data.h \
+src/core/ext/transport/chttp2/transport/frame_goaway.h \
+src/core/ext/transport/chttp2/transport/frame_ping.h \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.h \
+src/core/ext/transport/chttp2/transport/frame_settings.h \
+src/core/ext/transport/chttp2/transport/frame_window_update.h \
+src/core/ext/transport/chttp2/transport/hpack_encoder.h \
+src/core/ext/transport/chttp2/transport/hpack_parser.h \
+src/core/ext/transport/chttp2/transport/hpack_table.h \
+src/core/ext/transport/chttp2/transport/http2_errors.h \
+src/core/ext/transport/chttp2/transport/huffsyms.h \
+src/core/ext/transport/chttp2/transport/incoming_metadata.h \
+src/core/ext/transport/chttp2/transport/internal.h \
+src/core/ext/transport/chttp2/transport/status_conversion.h \
+src/core/ext/transport/chttp2/transport/stream_map.h \
+src/core/ext/transport/chttp2/transport/timeout_encoding.h \
+src/core/ext/transport/chttp2/transport/varint.h \
+src/core/ext/transport/chttp2/alpn/alpn.h \
+src/core/lib/security/auth_filters.h \
+src/core/lib/security/b64.h \
+src/core/lib/security/credentials.h \
+src/core/lib/security/handshake.h \
+src/core/lib/security/json_token.h \
+src/core/lib/security/jwt_verifier.h \
+src/core/lib/security/secure_endpoint.h \
+src/core/lib/security/security_connector.h \
+src/core/lib/security/security_context.h \
+src/core/lib/tsi/fake_transport_security.h \
+src/core/lib/tsi/ssl_transport_security.h \
+src/core/lib/tsi/ssl_types.h \
+src/core/lib/tsi/transport_security.h \
+src/core/lib/tsi/transport_security_interface.h \
+src/core/ext/client_config/client_channel.h \
+src/core/ext/client_config/client_channel_factory.h \
+src/core/ext/client_config/client_config.h \
+src/core/ext/client_config/connector.h \
+src/core/ext/client_config/initial_connect_string.h \
+src/core/ext/client_config/lb_policy.h \
+src/core/ext/client_config/lb_policy_factory.h \
+src/core/ext/client_config/lb_policy_registry.h \
+src/core/ext/client_config/parse_address.h \
+src/core/ext/client_config/resolver.h \
+src/core/ext/client_config/resolver_factory.h \
+src/core/ext/client_config/resolver_registry.h \
+src/core/ext/client_config/subchannel.h \
+src/core/ext/client_config/subchannel_call_holder.h \
+src/core/ext/client_config/subchannel_index.h \
+src/core/ext/client_config/uri_parser.h \
+src/core/ext/lb_policy/grpclb/load_balancer_api.h \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h \
+third_party/nanopb/pb.h \
+third_party/nanopb/pb_common.h \
+third_party/nanopb/pb_decode.h \
+third_party/nanopb/pb_encode.h \
+src/core/ext/census/aggregation.h \
+src/core/ext/census/census_interface.h \
+src/core/ext/census/census_rpc_stats.h \
+src/core/ext/census/grpc_filter.h \
+src/core/ext/census/mlog.h \
+src/core/ext/census/rpc_metric_id.h \
+src/core/lib/channel/channel_args.c \
+src/core/lib/channel/channel_stack.c \
+src/core/lib/channel/channel_stack_builder.c \
+src/core/lib/channel/compress_filter.c \
+src/core/lib/channel/connected_channel.c \
+src/core/lib/channel/http_client_filter.c \
+src/core/lib/channel/http_server_filter.c \
+src/core/lib/compression/compression_algorithm.c \
+src/core/lib/compression/message_compress.c \
+src/core/lib/debug/trace.c \
+src/core/lib/http/format_request.c \
+src/core/lib/http/httpcli.c \
+src/core/lib/http/parser.c \
+src/core/lib/iomgr/closure.c \
+src/core/lib/iomgr/endpoint.c \
+src/core/lib/iomgr/endpoint_pair_posix.c \
+src/core/lib/iomgr/endpoint_pair_windows.c \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+src/core/lib/iomgr/ev_posix.c \
+src/core/lib/iomgr/exec_ctx.c \
+src/core/lib/iomgr/executor.c \
+src/core/lib/iomgr/iocp_windows.c \
+src/core/lib/iomgr/iomgr.c \
+src/core/lib/iomgr/iomgr_posix.c \
+src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/pollset_set_windows.c \
+src/core/lib/iomgr/pollset_windows.c \
+src/core/lib/iomgr/resolve_address_posix.c \
+src/core/lib/iomgr/resolve_address_windows.c \
+src/core/lib/iomgr/sockaddr_utils.c \
+src/core/lib/iomgr/socket_utils_common_posix.c \
+src/core/lib/iomgr/socket_utils_linux.c \
+src/core/lib/iomgr/socket_utils_posix.c \
+src/core/lib/iomgr/socket_windows.c \
+src/core/lib/iomgr/tcp_client_posix.c \
+src/core/lib/iomgr/tcp_client_windows.c \
+src/core/lib/iomgr/tcp_posix.c \
+src/core/lib/iomgr/tcp_server_posix.c \
+src/core/lib/iomgr/tcp_server_windows.c \
+src/core/lib/iomgr/tcp_windows.c \
+src/core/lib/iomgr/time_averaged_stats.c \
+src/core/lib/iomgr/timer.c \
+src/core/lib/iomgr/timer_heap.c \
+src/core/lib/iomgr/udp_server.c \
+src/core/lib/iomgr/unix_sockets_posix.c \
+src/core/lib/iomgr/unix_sockets_posix_noop.c \
+src/core/lib/iomgr/wakeup_fd_eventfd.c \
+src/core/lib/iomgr/wakeup_fd_nospecial.c \
+src/core/lib/iomgr/wakeup_fd_pipe.c \
+src/core/lib/iomgr/wakeup_fd_posix.c \
+src/core/lib/iomgr/workqueue_posix.c \
+src/core/lib/iomgr/workqueue_windows.c \
+src/core/lib/json/json.c \
+src/core/lib/json/json_reader.c \
+src/core/lib/json/json_string.c \
+src/core/lib/json/json_writer.c \
+src/core/lib/surface/alarm.c \
+src/core/lib/surface/api_trace.c \
+src/core/lib/surface/byte_buffer.c \
+src/core/lib/surface/byte_buffer_reader.c \
+src/core/lib/surface/call.c \
+src/core/lib/surface/call_details.c \
+src/core/lib/surface/call_log_batch.c \
+src/core/lib/surface/channel.c \
+src/core/lib/surface/channel_init.c \
+src/core/lib/surface/channel_ping.c \
+src/core/lib/surface/channel_stack_type.c \
+src/core/lib/surface/completion_queue.c \
+src/core/lib/surface/event_string.c \
+src/core/lib/surface/init.c \
+src/core/lib/surface/lame_client.c \
+src/core/lib/surface/metadata_array.c \
+src/core/lib/surface/server.c \
+src/core/lib/surface/validate_metadata.c \
+src/core/lib/surface/version.c \
+src/core/lib/transport/byte_stream.c \
+src/core/lib/transport/connectivity_state.c \
+src/core/lib/transport/metadata.c \
+src/core/lib/transport/metadata_batch.c \
+src/core/lib/transport/static_metadata.c \
+src/core/lib/transport/transport.c \
+src/core/lib/transport/transport_op_string.c \
+src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+src/core/ext/transport/chttp2/transport/bin_encoder.c \
+src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+src/core/ext/transport/chttp2/transport/frame_data.c \
+src/core/ext/transport/chttp2/transport/frame_goaway.c \
+src/core/ext/transport/chttp2/transport/frame_ping.c \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+src/core/ext/transport/chttp2/transport/frame_settings.c \
+src/core/ext/transport/chttp2/transport/frame_window_update.c \
+src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+src/core/ext/transport/chttp2/transport/hpack_parser.c \
+src/core/ext/transport/chttp2/transport/hpack_table.c \
+src/core/ext/transport/chttp2/transport/huffsyms.c \
+src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+src/core/ext/transport/chttp2/transport/parsing.c \
+src/core/ext/transport/chttp2/transport/status_conversion.c \
+src/core/ext/transport/chttp2/transport/stream_lists.c \
+src/core/ext/transport/chttp2/transport/stream_map.c \
+src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+src/core/ext/transport/chttp2/transport/varint.c \
+src/core/ext/transport/chttp2/transport/writing.c \
+src/core/ext/transport/chttp2/alpn/alpn.c \
+src/core/lib/http/httpcli_security_connector.c \
+src/core/lib/security/b64.c \
+src/core/lib/security/client_auth_filter.c \
+src/core/lib/security/credentials.c \
+src/core/lib/security/credentials_metadata.c \
+src/core/lib/security/credentials_posix.c \
+src/core/lib/security/credentials_win32.c \
+src/core/lib/security/google_default_credentials.c \
+src/core/lib/security/handshake.c \
+src/core/lib/security/json_token.c \
+src/core/lib/security/jwt_verifier.c \
+src/core/lib/security/secure_endpoint.c \
+src/core/lib/security/security_connector.c \
+src/core/lib/security/security_context.c \
+src/core/lib/security/server_auth_filter.c \
+src/core/lib/surface/init_secure.c \
+src/core/lib/tsi/fake_transport_security.c \
+src/core/lib/tsi/ssl_transport_security.c \
+src/core/lib/tsi/transport_security.c \
+src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+src/core/ext/client_config/channel_connectivity.c \
+src/core/ext/client_config/client_channel.c \
+src/core/ext/client_config/client_channel_factory.c \
+src/core/ext/client_config/client_config.c \
+src/core/ext/client_config/client_config_plugin.c \
+src/core/ext/client_config/connector.c \
+src/core/ext/client_config/default_initial_connect_string.c \
+src/core/ext/client_config/initial_connect_string.c \
+src/core/ext/client_config/lb_policy.c \
+src/core/ext/client_config/lb_policy_factory.c \
+src/core/ext/client_config/lb_policy_registry.c \
+src/core/ext/client_config/parse_address.c \
+src/core/ext/client_config/resolver.c \
+src/core/ext/client_config/resolver_factory.c \
+src/core/ext/client_config/resolver_registry.c \
+src/core/ext/client_config/subchannel.c \
+src/core/ext/client_config/subchannel_call_holder.c \
+src/core/ext/client_config/subchannel_index.c \
+src/core/ext/client_config/uri_parser.c \
+src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
+third_party/nanopb/pb_common.c \
+third_party/nanopb/pb_decode.c \
+third_party/nanopb/pb_encode.c \
+src/core/ext/lb_policy/pick_first/pick_first.c \
+src/core/ext/lb_policy/round_robin/round_robin.c \
+src/core/ext/resolver/dns/native/dns_resolver.c \
+src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+src/core/ext/census/context.c \
+src/core/ext/census/grpc_context.c \
+src/core/ext/census/grpc_filter.c \
+src/core/ext/census/grpc_plugin.c \
+src/core/ext/census/initialize.c \
+src/core/ext/census/mlog.c \
+src/core/ext/census/operation.c \
+src/core/ext/census/placeholders.c \
+src/core/ext/census/tracing.c \
+src/core/plugin_registry/grpc_plugin_registry.c \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
 include/grpc/support/atm_gcc_atomic.h \
@@ -1101,59 +1130,62 @@ include/grpc/impl/codegen/sync_generic.h \
 include/grpc/impl/codegen/sync_posix.h \
 include/grpc/impl/codegen/sync_win32.h \
 include/grpc/impl/codegen/time.h \
-src/core/profiling/timers.h \
-src/core/support/block_annotate.h \
-src/core/support/env.h \
-src/core/support/file.h \
-src/core/support/murmur_hash.h \
-src/core/support/stack_lockfree.h \
-src/core/support/string.h \
-src/core/support/string_win32.h \
-src/core/support/thd_internal.h \
-src/core/support/time_precise.h \
-src/core/profiling/basic_timers.c \
-src/core/profiling/stap_timers.c \
-src/core/support/alloc.c \
-src/core/support/avl.c \
-src/core/support/cmdline.c \
-src/core/support/cpu_iphone.c \
-src/core/support/cpu_linux.c \
-src/core/support/cpu_posix.c \
-src/core/support/cpu_windows.c \
-src/core/support/env_linux.c \
-src/core/support/env_posix.c \
-src/core/support/env_win32.c \
-src/core/support/file.c \
-src/core/support/file_posix.c \
-src/core/support/file_win32.c \
-src/core/support/histogram.c \
-src/core/support/host_port.c \
-src/core/support/log.c \
-src/core/support/log_android.c \
-src/core/support/log_linux.c \
-src/core/support/log_posix.c \
-src/core/support/log_win32.c \
-src/core/support/murmur_hash.c \
-src/core/support/slice.c \
-src/core/support/slice_buffer.c \
-src/core/support/stack_lockfree.c \
-src/core/support/string.c \
-src/core/support/string_posix.c \
-src/core/support/string_win32.c \
-src/core/support/subprocess_posix.c \
-src/core/support/subprocess_windows.c \
-src/core/support/sync.c \
-src/core/support/sync_posix.c \
-src/core/support/sync_win32.c \
-src/core/support/thd.c \
-src/core/support/thd_posix.c \
-src/core/support/thd_win32.c \
-src/core/support/time.c \
-src/core/support/time_posix.c \
-src/core/support/time_precise.c \
-src/core/support/time_win32.c \
-src/core/support/tls_pthread.c \
-src/core/support/wrap_memcpy.c
+src/core/lib/profiling/timers.h \
+src/core/lib/support/backoff.h \
+src/core/lib/support/block_annotate.h \
+src/core/lib/support/env.h \
+src/core/lib/support/load_file.h \
+src/core/lib/support/murmur_hash.h \
+src/core/lib/support/stack_lockfree.h \
+src/core/lib/support/string.h \
+src/core/lib/support/string_win32.h \
+src/core/lib/support/thd_internal.h \
+src/core/lib/support/time_precise.h \
+src/core/lib/support/tmpfile.h \
+src/core/lib/profiling/basic_timers.c \
+src/core/lib/profiling/stap_timers.c \
+src/core/lib/support/alloc.c \
+src/core/lib/support/avl.c \
+src/core/lib/support/backoff.c \
+src/core/lib/support/cmdline.c \
+src/core/lib/support/cpu_iphone.c \
+src/core/lib/support/cpu_linux.c \
+src/core/lib/support/cpu_posix.c \
+src/core/lib/support/cpu_windows.c \
+src/core/lib/support/env_linux.c \
+src/core/lib/support/env_posix.c \
+src/core/lib/support/env_win32.c \
+src/core/lib/support/histogram.c \
+src/core/lib/support/host_port.c \
+src/core/lib/support/load_file.c \
+src/core/lib/support/log.c \
+src/core/lib/support/log_android.c \
+src/core/lib/support/log_linux.c \
+src/core/lib/support/log_posix.c \
+src/core/lib/support/log_win32.c \
+src/core/lib/support/murmur_hash.c \
+src/core/lib/support/slice.c \
+src/core/lib/support/slice_buffer.c \
+src/core/lib/support/stack_lockfree.c \
+src/core/lib/support/string.c \
+src/core/lib/support/string_posix.c \
+src/core/lib/support/string_win32.c \
+src/core/lib/support/subprocess_posix.c \
+src/core/lib/support/subprocess_windows.c \
+src/core/lib/support/sync.c \
+src/core/lib/support/sync_posix.c \
+src/core/lib/support/sync_win32.c \
+src/core/lib/support/thd.c \
+src/core/lib/support/thd_posix.c \
+src/core/lib/support/thd_win32.c \
+src/core/lib/support/time.c \
+src/core/lib/support/time_posix.c \
+src/core/lib/support/time_precise.c \
+src/core/lib/support/time_win32.c \
+src/core/lib/support/tls_pthread.c \
+src/core/lib/support/tmpfile_posix.c \
+src/core/lib/support/tmpfile_win32.c \
+src/core/lib/support/wrap_memcpy.c
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/fuzzer/build_and_run_fuzzer.sh b/tools/fuzzer/build_and_run_fuzzer.sh
new file mode 100755
index 0000000000..7139097e3e
--- /dev/null
+++ b/tools/fuzzer/build_and_run_fuzzer.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+set -ex
+
+cd $(dirname $0)/../..
+make CONFIG=$config $1 -j3
+mkdir -p fuzzer_output
+export ASAN_OPTIONS=handle_abort=1
+. tools/fuzzer/runners/$1.sh
diff --git a/tools/fuzzer/runners/client_fuzzer.sh b/tools/fuzzer/runners/client_fuzzer.sh
new file mode 100644
index 0000000000..39bdbc8d8a
--- /dev/null
+++ b/tools/fuzzer/runners/client_fuzzer.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/client_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/client_fuzzer_corpus
diff --git a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
new file mode 100644
index 0000000000..0cc468eeb7
--- /dev/null
+++ b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=512"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/hpack_parser_fuzzer_test $flags fuzzer_output test/core/transport/chttp2/hpack_parser_corpus
diff --git a/tools/fuzzer/runners/http_fuzzer_test.sh b/tools/fuzzer/runners/http_fuzzer_test.sh
new file mode 100644
index 0000000000..a86d765509
--- /dev/null
+++ b/tools/fuzzer/runners/http_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/http_fuzzer_test $flags fuzzer_output test/core/http/corpus
diff --git a/tools/fuzzer/runners/json_fuzzer_test.sh b/tools/fuzzer/runners/json_fuzzer_test.sh
new file mode 100644
index 0000000000..9d38ed8d55
--- /dev/null
+++ b/tools/fuzzer/runners/json_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=512"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/json_fuzzer_test $flags fuzzer_output test/core/json/corpus
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
new file mode 100644
index 0000000000..b55d23b165
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_response_test $flags fuzzer_output test/core/nanopb/corpus_response
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
new file mode 100644
index 0000000000..a75aad6f36
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_serverlist_test $flags fuzzer_output test/core/nanopb/corpus_serverlist
diff --git a/tools/fuzzer/runners/server_fuzzer.sh b/tools/fuzzer/runners/server_fuzzer.sh
new file mode 100644
index 0000000000..9d1d9dc17d
--- /dev/null
+++ b/tools/fuzzer/runners/server_fuzzer.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/server_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/server_fuzzer_corpus
diff --git a/tools/fuzzer/runners/uri_fuzzer_test.sh b/tools/fuzzer/runners/uri_fuzzer_test.sh
new file mode 100644
index 0000000000..8890a2b86a
--- /dev/null
+++ b/tools/fuzzer/runners/uri_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/uri_fuzzer_test $flags fuzzer_output test/core/client_config/uri_corpus
diff --git a/tools/gce/create_interop_worker.sh b/tools/gce/create_interop_worker.sh
new file mode 100755
index 0000000000..9170d82144
--- /dev/null
+++ b/tools/gce/create_interop_worker.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Creates an interop worker on GCE.
+# IMPORTANT: After this script finishes, there are still some manual
+# steps needed there are hard to automatize.
+# See go/grpc-jenkins-setup for followup instructions.
+
+set -ex
+
+cd $(dirname $0)
+
+CLOUD_PROJECT=grpc-testing
+ZONE=us-east1-a  # canary gateway is reachable from this zone
+
+INSTANCE_NAME="${1:-grpc-canary-interop2}"
+
+gcloud compute instances create $INSTANCE_NAME \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    --machine-type n1-standard-16 \
+    --image ubuntu-15-10 \
+    --boot-disk-size 1000 \
+    --scopes https://www.googleapis.com/auth/xapi.zoo
+
+echo 'Created GCE instance, waiting 60 seconds for it to come online.'
+sleep 60
+
+gcloud compute copy-files \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins_master.pub linux_worker_init.sh ${INSTANCE_NAME}:~
+
+gcloud compute ssh \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    $INSTANCE_NAME --command "./linux_worker_init.sh"
diff --git a/tools/gce/create_linux_performance_worker.sh b/tools/gce/create_linux_performance_worker.sh
new file mode 100755
index 0000000000..8c9cc46a75
--- /dev/null
+++ b/tools/gce/create_linux_performance_worker.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Creates a performance worker on GCE.
+# IMPORTANT: After creating the worker, one needs to manually add the pubkey
+# of jenkins@the-machine-where-jenkins-starts-perf-tests
+# to ~/.ssh/authorized_keys so that multi-machine scenarios can work.
+# See tools/run_tests/run_performance_tests.py for details.
+
+set -ex
+
+cd $(dirname $0)
+
+CLOUD_PROJECT=grpc-testing
+ZONE=us-central1-b  # this zone allows 32core machines
+
+INSTANCE_NAME="${1:-grpc-performance-server1}"
+MACHINE_TYPE=n1-standard-32
+
+gcloud compute instances create $INSTANCE_NAME \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    --machine-type $MACHINE_TYPE \
+    --image ubuntu-15-10 \
+    --boot-disk-size 300
+
+echo 'Created GCE instance, waiting 60 seconds for it to come online.'
+sleep 60
+
+gcloud compute copy-files \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins_master.pub linux_performance_worker_init.sh jenkins@${INSTANCE_NAME}:~
+
+gcloud compute ssh \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins@${INSTANCE_NAME} --command "./linux_performance_worker_init.sh"
diff --git a/tools/gce/create_linux_worker.sh b/tools/gce/create_linux_worker.sh
index 2a9e77ab17..dff0b1ce5f 100755
--- a/tools/gce/create_linux_worker.sh
+++ b/tools/gce/create_linux_worker.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@ cd $(dirname $0)
 CLOUD_PROJECT=grpc-testing
 ZONE=us-central1-a
 
-INSTANCE_NAME=grpc-jenkins-worker1
+INSTANCE_NAME="${1:-grpc-jenkins-worker1}"
 
 gcloud compute instances create $INSTANCE_NAME \
     --project="$CLOUD_PROJECT" \
diff --git a/tools/gce/linux_performance_worker_init.sh b/tools/gce/linux_performance_worker_init.sh
new file mode 100755
index 0000000000..c7272b61a5
--- /dev/null
+++ b/tools/gce/linux_performance_worker_init.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Initializes a fresh GCE VM to become a jenkins linux performance worker.
+# You shouldn't run this script on your own,
+# use create_linux_performance_worker.sh instead.
+
+set -ex
+
+sudo apt-get update
+
+# Install Java 8 JDK (to build gRPC Java)
+sudo apt-get install -y openjdk-8-jdk
+sudo apt-get install -y unzip lsof
+
+# Add pubkey of jenkins@grpc-jenkins-master to authorized keys of jenkins@
+# This needs to happen as the last step to prevent Jenkins master from connecting
+# to a machine that hasn't been properly setup yet.
+cat jenkins_master.pub | sudo tee --append ~jenkins/.ssh/authorized_keys
+
+sudo apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  strace \
+  pypy \
+  python-dev \
+  python-pip \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip
+
+# perftools
+sudo apt-get install -y google-perftools libgoogle-perftools-dev
+
+# C++ dependencies
+sudo apt-get install -y libgflags-dev libgtest-dev libc++-dev clang
+
+# Python dependencies
+sudo pip install tabulate
+curl -O https://bootstrap.pypa.io/get-pip.py
+sudo pypy get-pip.py
+sudo pypy -m pip install tabulate
+
+# Node dependencies (nvm has to be installed under user jenkins)
+touch .profile
+curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+nvm install 0.12 && npm config set cache /tmp/npm-cache
+
+# C# dependencies (http://www.mono-project.com/docs/getting-started/install/linux/#debian-ubuntu-and-derivatives)
+
+sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+echo "deb http://download.mono-project.com/repo/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
+sudo apt-get update
+sudo apt-get install -y mono-devel nuget
+
+# Ruby dependencies
+gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+curl -sSL https://get.rvm.io | bash -s stable --ruby
+
+# Java dependencies - nothing as we already have Java JDK 8
diff --git a/tools/gce/linux_worker_init.sh b/tools/gce/linux_worker_init.sh
index f56cac0ce2..ef6a5d175c 100755
--- a/tools/gce/linux_worker_init.sh
+++ b/tools/gce/linux_worker_init.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/gcp/stress_test/run_client.py b/tools/gcp/stress_test/run_client.py
new file mode 100755
index 0000000000..9a4bc8a391
--- /dev/null
+++ b/tools/gcp/stress_test/run_client.py
@@ -0,0 +1,186 @@
+#!/usr/bin/env python2.7
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import datetime
+import os
+import re
+import select
+import subprocess
+import sys
+import time
+
+from stress_test_utils import EventType
+from stress_test_utils import BigQueryHelper
+
+
+# TODO (sree): Write a python grpc client to directly query the metrics instead
+# of calling metrics_client
+def _get_qps(metrics_cmd):
+  qps = 0
+  try:
+    # Note: gpr_log() writes even non-error messages to stderr stream. So it is 
+    # important that we set stderr=subprocess.STDOUT
+    p = subprocess.Popen(args=metrics_cmd,
+                         stdout=subprocess.PIPE,
+                         stderr=subprocess.STDOUT)
+    retcode = p.wait()
+    (out_str, err_str) = p.communicate()
+    if retcode != 0:
+      print 'Error in reading metrics information'
+      print 'Output: ', out_str
+    else:
+      # The overall qps is printed at the end of the line
+      m = re.search('\d+$', out_str)
+      qps = int(m.group()) if m else 0
+  except Exception as ex:
+    print 'Exception while reading metrics information: ' + str(ex)
+  return qps
+
+
+def run_client():
+  """This is a wrapper around the stress test client and performs the following:
+      1) Create the following two tables in Big Query:
+         (i) Summary table: To record events like the test started, completed
+                            successfully or failed
+        (ii) Qps table: To periodically record the QPS sent by this client
+      2) Start the stress test client and add a row in the Big Query summary
+         table
+      3) Once every few seconds (as specificed by the poll_interval_secs) poll
+         the status of the stress test client process and perform the
+         following:
+          3.1) If the process is still running, get the current qps by invoking
+               the metrics client program and add a row in the Big Query
+               Qps table. Sleep for a duration specified by poll_interval_secs
+          3.2) If the process exited successfully, add a row in the Big Query
+               Summary table and exit
+          3.3) If the process failed, add a row in Big Query summary table and
+               wait forever.
+               NOTE: This script typically runs inside a GKE pod which means
+               that the pod gets destroyed when the script exits. However, in
+               case the stress test client fails, we would not want the pod to
+               be destroyed (since we might want to connect to the pod for
+               examining logs). This is the reason why the script waits forever
+               in case of failures
+  """
+  env = dict(os.environ)
+  image_type = env['STRESS_TEST_IMAGE_TYPE']
+  stress_client_cmd = env['STRESS_TEST_CMD'].split()
+  args_str = env['STRESS_TEST_ARGS_STR']
+  metrics_client_cmd = env['METRICS_CLIENT_CMD'].split()
+  metrics_client_args_str = env['METRICS_CLIENT_ARGS_STR']
+  run_id = env['RUN_ID']
+  pod_name = env['POD_NAME']
+  logfile_name = env.get('LOGFILE_NAME')
+  poll_interval_secs = float(env['POLL_INTERVAL_SECS'])
+  project_id = env['GCP_PROJECT_ID']
+  dataset_id = env['DATASET_ID']
+  summary_table_id = env['SUMMARY_TABLE_ID']
+  qps_table_id = env['QPS_TABLE_ID']
+
+  bq_helper = BigQueryHelper(run_id, image_type, pod_name, project_id,
+                             dataset_id, summary_table_id, qps_table_id)
+  bq_helper.initialize()
+
+  # Create BigQuery Dataset and Tables: Summary Table and Metrics Table
+  if not bq_helper.setup_tables():
+    print 'Error in creating BigQuery tables'
+    return
+
+  start_time = datetime.datetime.now()
+
+  logfile = None
+  details = 'Logging to stdout'
+  if logfile_name is not None:
+    print 'Opening logfile: %s ...' % logfile_name
+    details = 'Logfile: %s' % logfile_name
+    logfile = open(logfile_name, 'w')
+
+  # Update status that the test is starting (in the status table)
+  bq_helper.insert_summary_row(EventType.STARTING, details)
+
+  metrics_cmd = metrics_client_cmd + [x for x in metrics_client_args_str.split()]
+  stress_cmd = stress_client_cmd + [x for x in args_str.split()]
+
+  print 'Launching process %s ...' % stress_cmd
+  stress_p = subprocess.Popen(args=stress_cmd,
+                              stdout=logfile,
+                              stderr=subprocess.STDOUT)
+
+  qps_history = [1, 1, 1]  # Maintain the last 3 qps readings
+  qps_history_idx = 0  # Index into the qps_history list
+
+  is_error = False
+  while True:
+    # Check if stress_client is still running. If so, collect metrics and upload
+    # to BigQuery status table
+    if stress_p.poll() is not None:
+      end_time = datetime.datetime.now().isoformat()
+      event_type = EventType.SUCCESS
+      details = 'End time: %s' % end_time
+      if stress_p.returncode != 0:
+        event_type = EventType.FAILURE
+        details = 'Return code = %d. End time: %s' % (stress_p.returncode,
+                                                      end_time)
+        is_error = True
+      bq_helper.insert_summary_row(event_type, details)
+      print details
+      break
+
+    # Stress client still running. Get metrics
+    qps = _get_qps(metrics_cmd)
+    qps_recorded_at = datetime.datetime.now().isoformat()
+    print 'qps: %d at %s' % (qps, qps_recorded_at)
+
+    # If QPS has been zero for the last 3 iterations, flag it as error and exit
+    qps_history[qps_history_idx] = qps
+    qps_history_idx = (qps_history_idx + 1) % len(qps_history)
+    if sum(qps_history) == 0:
+      details = 'QPS has been zero for the last %d seconds - as of : %s' % (
+          poll_interval_secs * 3, qps_recorded_at)
+      is_error = True
+      bq_helper.insert_summary_row(EventType.FAILURE, details)
+      print details
+      break
+
+    # Upload qps metrics to BiqQuery
+    bq_helper.insert_qps_row(qps, qps_recorded_at)
+
+    time.sleep(poll_interval_secs)
+
+  if is_error:
+    print 'Waiting indefinitely..'
+    select.select([], [], [])
+
+  print 'Completed'
+  return
+
+
+if __name__ == '__main__':
+  run_client()
diff --git a/tools/gcp/stress_test/run_node.sh b/tools/gcp/stress_test/run_node.sh
new file mode 100755
index 0000000000..4a4da6fc8b
--- /dev/null
+++ b/tools/gcp/stress_test/run_node.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This is a wrapper script that was created to help run_server.py and
+# run_client.py to launch 'node js' stress clients and stress servers
+source ~/.nvm/nvm.sh
+
+set -ex
+
+$@
diff --git a/tools/gcp/stress_test/run_server.py b/tools/gcp/stress_test/run_server.py
new file mode 100755
index 0000000000..0d9a653d18
--- /dev/null
+++ b/tools/gcp/stress_test/run_server.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python2.7
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import datetime
+import os
+import select
+import subprocess
+import sys
+import time
+
+from stress_test_utils import BigQueryHelper
+from stress_test_utils import EventType
+
+
+def run_server():
+  """This is a wrapper around the interop server and performs the following:
+      1) Create a 'Summary table' in Big Query to record events like the server
+         started, completed successfully or failed. NOTE: This also creates
+         another table called the QPS table which is currently NOT needed on the
+         server (it is needed on the stress test clients)
+      2) Start the server process and add a row in Big Query summary table
+      3) Wait for the server process to terminate. The server process does not
+         terminate unless there is an error.
+         If the server process terminated with a failure, add a row in Big Query
+         and wait forever.
+         NOTE: This script typically runs inside a GKE pod which means that the
+         pod gets destroyed when the script exits. However, in case the server
+         process fails, we would not want the pod to be destroyed (since we
+         might want to connect to the pod for examining logs). This is the
+         reason why the script waits forever in case of failures.
+  """
+
+  # Read the parameters from environment variables
+  env = dict(os.environ)
+
+  run_id = env['RUN_ID']  # The unique run id for this test
+  image_type = env['STRESS_TEST_IMAGE_TYPE']
+  stress_server_cmd = env['STRESS_TEST_CMD'].split()
+  args_str = env['STRESS_TEST_ARGS_STR']
+  pod_name = env['POD_NAME']
+  project_id = env['GCP_PROJECT_ID']
+  dataset_id = env['DATASET_ID']
+  summary_table_id = env['SUMMARY_TABLE_ID']
+  qps_table_id = env['QPS_TABLE_ID']
+
+  logfile_name = env.get('LOGFILE_NAME')
+
+  print('pod_name: %s, project_id: %s, run_id: %s, dataset_id: %s, '
+        'summary_table_id: %s, qps_table_id: %s') % (
+            pod_name, project_id, run_id, dataset_id, summary_table_id,
+            qps_table_id)
+
+  bq_helper = BigQueryHelper(run_id, image_type, pod_name, project_id,
+                             dataset_id, summary_table_id, qps_table_id)
+  bq_helper.initialize()
+
+  # Create BigQuery Dataset and Tables: Summary Table and Metrics Table
+  if not bq_helper.setup_tables():
+    print 'Error in creating BigQuery tables'
+    return
+
+  start_time = datetime.datetime.now()
+
+  logfile = None
+  details = 'Logging to stdout'
+  if logfile_name is not None:
+    print 'Opening log file: ', logfile_name
+    logfile = open(logfile_name, 'w')
+    details = 'Logfile: %s' % logfile_name
+
+  # Update status that the test is starting (in the status table)
+  bq_helper.insert_summary_row(EventType.STARTING, details)
+
+  stress_cmd = stress_server_cmd + [x for x in args_str.split()]
+
+  print 'Launching process %s ...' % stress_cmd
+  stress_p = subprocess.Popen(args=stress_cmd,
+                              stdout=logfile,
+                              stderr=subprocess.STDOUT)
+
+  returncode = stress_p.wait()
+  if returncode != 0:
+    end_time = datetime.datetime.now().isoformat()
+    event_type = EventType.FAILURE
+    details = 'Returncode: %d; End time: %s' % (returncode, end_time)
+    bq_helper.insert_summary_row(event_type, details)
+    print 'Waiting indefinitely..'
+    select.select([], [], [])
+  return returncode
+
+
+if __name__ == '__main__':
+  run_server()
diff --git a/tools/gcp/stress_test/stress_test_utils.py b/tools/gcp/stress_test/stress_test_utils.py
new file mode 100755
index 0000000000..19d59c0df1
--- /dev/null
+++ b/tools/gcp/stress_test/stress_test_utils.py
@@ -0,0 +1,216 @@
+#!/usr/bin/env python2.7
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import datetime
+import json
+import os
+import re
+import select
+import subprocess
+import sys
+import time
+
+# Import big_query_utils module
+bq_utils_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../utils'))
+sys.path.append(bq_utils_dir)
+import big_query_utils as bq_utils
+
+
+class EventType:
+  STARTING = 'STARTING'
+  SUCCESS = 'SUCCESS'
+  FAILURE = 'FAILURE'
+
+
+class BigQueryHelper:
+  """Helper class for the stress test wrappers to interact with BigQuery.
+  """
+
+  def __init__(self, run_id, image_type, pod_name, project_id, dataset_id,
+               summary_table_id, qps_table_id):
+    self.run_id = run_id
+    self.image_type = image_type
+    self.pod_name = pod_name
+    self.project_id = project_id
+    self.dataset_id = dataset_id
+    self.summary_table_id = summary_table_id
+    self.qps_table_id = qps_table_id
+
+  def initialize(self):
+    self.bq = bq_utils.create_big_query()
+
+  def setup_tables(self):
+    return bq_utils.create_dataset(self.bq, self.project_id, self.dataset_id) \
+        and self.__create_summary_table() \
+        and self.__create_qps_table()
+
+  def insert_summary_row(self, event_type, details):
+    row_values_dict = {
+        'run_id': self.run_id,
+        'image_type': self.image_type,
+        'pod_name': self.pod_name,
+        'event_date': datetime.datetime.now().isoformat(),
+        'event_type': event_type,
+        'details': details
+    }
+    # row_unique_id is something that uniquely identifies the row (BigQuery uses
+    # it for duplicate detection).
+    row_unique_id = '%s_%s_%s' % (self.run_id, self.pod_name, event_type)
+    row = bq_utils.make_row(row_unique_id, row_values_dict)
+    return bq_utils.insert_rows(self.bq, self.project_id, self.dataset_id,
+                                self.summary_table_id, [row])
+
+  def insert_qps_row(self, qps, recorded_at):
+    row_values_dict = {
+        'run_id': self.run_id,
+        'pod_name': self.pod_name,
+        'recorded_at': recorded_at,
+        'qps': qps
+    }
+
+    # row_unique_id is something that uniquely identifies the row (BigQuery uses
+    # it for duplicate detection).
+    row_unique_id = '%s_%s_%s' % (self.run_id, self.pod_name, recorded_at)
+    row = bq_utils.make_row(row_unique_id, row_values_dict)
+    return bq_utils.insert_rows(self.bq, self.project_id, self.dataset_id,
+                                self.qps_table_id, [row])
+
+  def check_if_any_tests_failed(self, num_query_retries=3, timeout_msec=30000):
+    query = ('SELECT event_type FROM %s.%s WHERE run_id = \'%s\' AND '
+             'event_type="%s"') % (self.dataset_id, self.summary_table_id,
+                                   self.run_id, EventType.FAILURE)
+    page = None
+    try:
+      query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
+      job_id = query_job['jobReference']['jobId']
+      project_id = query_job['jobReference']['projectId']
+      page = self.bq.jobs().getQueryResults(
+          projectId=project_id,
+          jobId=job_id,
+          timeoutMs=timeout_msec).execute(num_retries=num_query_retries)
+
+      if not page['jobComplete']:
+        print('TIMEOUT ERROR: The query %s timed out. Current timeout value is'
+              ' %d msec. Returning False (i.e assuming there are no failures)'
+             ) % (query, timeoout_msec)
+        return False
+
+      num_failures = int(page['totalRows'])
+      print 'num rows: ', num_failures
+      return num_failures > 0
+    except:
+      print 'Exception in check_if_any_tests_failed(). Info: ', sys.exc_info()
+      print 'Query: ', query
+
+  def print_summary_records(self, num_query_retries=3):
+    line = '-' * 120
+    print line
+    print 'Summary records'
+    print 'Run Id: ', self.run_id
+    print 'Dataset Id: ', self.dataset_id
+    print line
+    query = ('SELECT pod_name, image_type, event_type, event_date, details'
+             ' FROM %s.%s WHERE run_id = \'%s\' ORDER by event_date;') % (
+                 self.dataset_id, self.summary_table_id, self.run_id)
+    query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
+
+    print '{:<25} {:<12} {:<12} {:<30} {}'.format('Pod name', 'Image type',
+                                                  'Event type', 'Date',
+                                                  'Details')
+    print line
+    page_token = None
+    while True:
+      page = self.bq.jobs().getQueryResults(
+          pageToken=page_token,
+          **query_job['jobReference']).execute(num_retries=num_query_retries)
+      rows = page.get('rows', [])
+      for row in rows:
+        print '{:<25} {:<12} {:<12} {:<30} {}'.format(row['f'][0]['v'],
+                                                      row['f'][1]['v'],
+                                                      row['f'][2]['v'],
+                                                      row['f'][3]['v'],
+                                                      row['f'][4]['v'])
+      page_token = page.get('pageToken')
+      if not page_token:
+        break
+
+  def print_qps_records(self, num_query_retries=3):
+    line = '-' * 80
+    print line
+    print 'QPS Summary'
+    print 'Run Id: ', self.run_id
+    print 'Dataset Id: ', self.dataset_id
+    print line
+    query = (
+        'SELECT pod_name, recorded_at, qps FROM %s.%s WHERE run_id = \'%s\' '
+        'ORDER by recorded_at;') % (self.dataset_id, self.qps_table_id,
+                                    self.run_id)
+    query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
+    print '{:<25} {:30} {}'.format('Pod name', 'Recorded at', 'Qps')
+    print line
+    page_token = None
+    while True:
+      page = self.bq.jobs().getQueryResults(
+          pageToken=page_token,
+          **query_job['jobReference']).execute(num_retries=num_query_retries)
+      rows = page.get('rows', [])
+      for row in rows:
+        print '{:<25} {:30} {}'.format(row['f'][0]['v'], row['f'][1]['v'],
+                                       row['f'][2]['v'])
+      page_token = page.get('pageToken')
+      if not page_token:
+        break
+
+  def __create_summary_table(self):
+    summary_table_schema = [
+        ('run_id', 'STRING', 'Test run id'),
+        ('image_type', 'STRING', 'Client or Server?'),
+        ('pod_name', 'STRING', 'GKE pod hosting this image'),
+        ('event_date', 'STRING', 'The date of this event'),
+        ('event_type', 'STRING', 'STARTED/SUCCESS/FAILURE'),
+        ('details', 'STRING', 'Any other relevant details')
+    ]
+    desc = ('The table that contains START/SUCCESS/FAILURE events for '
+            ' the stress test clients and servers')
+    return bq_utils.create_table(self.bq, self.project_id, self.dataset_id,
+                                 self.summary_table_id, summary_table_schema,
+                                 desc)
+
+  def __create_qps_table(self):
+    qps_table_schema = [
+        ('run_id', 'STRING', 'Test run id'),
+        ('pod_name', 'STRING', 'GKE pod hosting this image'),
+        ('recorded_at', 'STRING', 'Metrics recorded at time'),
+        ('qps', 'INTEGER', 'Queries per second')
+    ]
+    desc = 'The table that cointains the qps recorded at various intervals'
+    return bq_utils.create_table(self.bq, self.project_id, self.dataset_id,
+                                 self.qps_table_id, qps_table_schema, desc)
diff --git a/tools/gcp/utils/big_query_utils.py b/tools/gcp/utils/big_query_utils.py
new file mode 100755
index 0000000000..9dbc69c5d6
--- /dev/null
+++ b/tools/gcp/utils/big_query_utils.py
@@ -0,0 +1,148 @@
+#!/usr/bin/env python2.7
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import argparse
+import json
+import uuid
+import httplib2
+
+from apiclient import discovery
+from apiclient.errors import HttpError
+from oauth2client.client import GoogleCredentials
+
+NUM_RETRIES = 3
+
+
+def create_big_query():
+  """Authenticates with cloud platform and gets a BiqQuery service object
+  """
+  creds = GoogleCredentials.get_application_default()
+  return discovery.build('bigquery', 'v2', credentials=creds)
+
+
+def create_dataset(biq_query, project_id, dataset_id):
+  is_success = True
+  body = {
+      'datasetReference': {
+          'projectId': project_id,
+          'datasetId': dataset_id
+      }
+  }
+
+  try:
+    dataset_req = biq_query.datasets().insert(projectId=project_id, body=body)
+    dataset_req.execute(num_retries=NUM_RETRIES)
+  except HttpError as http_error:
+    if http_error.resp.status == 409:
+      print 'Warning: The dataset %s already exists' % dataset_id
+    else:
+      # Note: For more debugging info, print "http_error.content"
+      print 'Error in creating dataset: %s. Err: %s' % (dataset_id, http_error)
+      is_success = False
+  return is_success
+
+
+def create_table(big_query, project_id, dataset_id, table_id, table_schema,
+                 description):
+  fields = [{'name': field_name,
+             'type': field_type,
+             'description': field_description
+             } for (field_name, field_type, field_description) in table_schema]
+  return create_table2(big_query, project_id, dataset_id, table_id,
+                       fields, description)
+
+
+def create_table2(big_query, project_id, dataset_id, table_id, fields_schema,
+                 description):
+  is_success = True
+
+  body = {
+      'description': description,
+      'schema': {
+          'fields': fields_schema
+      },
+      'tableReference': {
+          'datasetId': dataset_id,
+          'projectId': project_id,
+          'tableId': table_id
+      }
+  }
+
+  try:
+    table_req = big_query.tables().insert(projectId=project_id,
+                                          datasetId=dataset_id,
+                                          body=body)
+    res = table_req.execute(num_retries=NUM_RETRIES)
+    print 'Successfully created %s "%s"' % (res['kind'], res['id'])
+  except HttpError as http_error:
+    if http_error.resp.status == 409:
+      print 'Warning: Table %s already exists' % table_id
+    else:
+      print 'Error in creating table: %s. Err: %s' % (table_id, http_error)
+      is_success = False
+  return is_success
+
+
+def insert_rows(big_query, project_id, dataset_id, table_id, rows_list):
+  is_success = True
+  body = {'rows': rows_list}
+  try:
+    insert_req = big_query.tabledata().insertAll(projectId=project_id,
+                                                 datasetId=dataset_id,
+                                                 tableId=table_id,
+                                                 body=body)
+    res = insert_req.execute(num_retries=NUM_RETRIES)
+    if res.get('insertErrors', None):
+      print 'Error inserting rows! Response: %s' % res
+      is_success = False
+  except HttpError as http_error:
+    print 'Error inserting rows to the table %s' % table_id
+    is_success = False
+
+  return is_success
+
+
+def sync_query_job(big_query, project_id, query, timeout=5000):
+  query_data = {'query': query, 'timeoutMs': timeout}
+  query_job = None
+  try:
+    query_job = big_query.jobs().query(
+        projectId=project_id,
+        body=query_data).execute(num_retries=NUM_RETRIES)
+  except HttpError as http_error:
+    print 'Query execute job failed with error: %s' % http_error
+    print http_error.content
+  return query_job
+
+  # List of (column name, column type, description) tuples
+def make_row(unique_row_id, row_values_dict):
+  """row_values_dict is a dictionary of column name and column value.
+  """
+  return {'insertId': unique_row_id, 'json': row_values_dict}
diff --git a/tools/gke/kubernetes_api.py b/tools/gcp/utils/kubernetes_api.py
index 7dd3015365..a8a4aad69b 100755
--- a/tools/gke/kubernetes_api.py
+++ b/tools/gcp/utils/kubernetes_api.py
@@ -33,8 +33,9 @@ import json
 
 _REQUEST_TIMEOUT_SECS = 10
 
+
 def _make_pod_config(pod_name, image_name, container_port_list, cmd_list,
-                    arg_list):
+                     arg_list, env_dict):
   """Creates a string containing the Pod defintion as required by the Kubernetes API"""
   body = {
       'kind': 'Pod',
@@ -48,20 +49,23 @@ def _make_pod_config(pod_name, image_name, container_port_list, cmd_list,
               {
                   'name': pod_name,
                   'image': image_name,
-                  'ports': []
+                  'ports': [{'containerPort': port,
+                             'protocol': 'TCP'}
+                            for port in container_port_list],
+                  'imagePullPolicy': 'Always'
               }
           ]
       }
   }
-  # Populate the 'ports' list
-  for port in container_port_list:
-    port_entry = {'containerPort': port, 'protocol': 'TCP'}
-    body['spec']['containers'][0]['ports'].append(port_entry)
+
+  env_list = [{'name': k, 'value': v} for (k, v) in env_dict.iteritems()]
+  if len(env_list) > 0:
+    body['spec']['containers'][0]['env'] = env_list
 
   # Add the 'Command' and 'Args' attributes if they are passed.
   # Note:
   #  - 'Command' overrides the ENTRYPOINT in the Docker Image
-  #  - 'Args' override the COMMAND in Docker image (yes, it is confusing!)
+  #  - 'Args' override the CMD in Docker image (yes, it is confusing!)
   if len(cmd_list) > 0:
     body['spec']['containers'][0]['command'] = cmd_list
   if len(arg_list) > 0:
@@ -70,7 +74,7 @@ def _make_pod_config(pod_name, image_name, container_port_list, cmd_list,
 
 
 def _make_service_config(service_name, pod_name, service_port_list,
-                        container_port_list, is_headless):
+                         container_port_list, is_headless):
   """Creates a string containing the Service definition as required by the Kubernetes API.
 
   NOTE:
@@ -124,6 +128,7 @@ def _print_connection_error(msg):
   print('ERROR: Connection failed. Did you remember to run Kubenetes proxy on '
         'localhost (i.e kubectl proxy --port=<proxy_port>) ?. Error: %s' % msg)
 
+
 def _do_post(post_url, api_name, request_body):
   """Helper to do HTTP POST.
 
@@ -135,7 +140,9 @@ def _do_post(post_url, api_name, request_body):
   """
   is_success = True
   try:
-    r = requests.post(post_url, data=request_body, timeout=_REQUEST_TIMEOUT_SECS)
+    r = requests.post(post_url,
+                      data=request_body,
+                      timeout=_REQUEST_TIMEOUT_SECS)
     if r.status_code == requests.codes.conflict:
       print('WARN: Looks like the resource already exists. Api: %s, url: %s' %
             (api_name, post_url))
@@ -143,7 +150,8 @@ def _do_post(post_url, api_name, request_body):
       print('ERROR: %s API returned error. HTTP response: (%d) %s' %
             (api_name, r.status_code, r.text))
       is_success = False
-  except(requests.exceptions.Timeout, requests.exceptions.ConnectionError) as e:
+  except (requests.exceptions.Timeout,
+          requests.exceptions.ConnectionError) as e:
     is_success = False
     _print_connection_error(str(e))
   return is_success
@@ -165,7 +173,8 @@ def _do_delete(del_url, api_name):
       print('ERROR: %s API returned error. HTTP response: %s' %
             (api_name, r.text))
       is_success = False
-  except(requests.exceptions.Timeout, requests.exceptions.ConnectionError) as e:
+  except (requests.exceptions.Timeout,
+          requests.exceptions.ConnectionError) as e:
     is_success = False
     _print_connection_error(str(e))
   return is_success
@@ -179,12 +188,12 @@ def create_service(kube_host, kube_port, namespace, service_name, pod_name,
   post_url = 'http://%s:%d/api/v1/namespaces/%s/services' % (
       kube_host, kube_port, namespace)
   request_body = _make_service_config(service_name, pod_name, service_port_list,
-                                     container_port_list, is_headless)
+                                      container_port_list, is_headless)
   return _do_post(post_url, 'Create Service', request_body)
 
 
 def create_pod(kube_host, kube_port, namespace, pod_name, image_name,
-               container_port_list, cmd_list, arg_list):
+               container_port_list, cmd_list, arg_list, env_dict):
   """Creates a Kubernetes Pod.
 
   Note that it is generally NOT considered a good practice to directly create
@@ -200,7 +209,7 @@ def create_pod(kube_host, kube_port, namespace, pod_name, image_name,
   post_url = 'http://%s:%d/api/v1/namespaces/%s/pods' % (kube_host, kube_port,
                                                          namespace)
   request_body = _make_pod_config(pod_name, image_name, container_port_list,
-                                 cmd_list, arg_list)
+                                  cmd_list, arg_list, env_dict)
   return _do_post(post_url, 'Create Pod', request_body)
 
 
@@ -214,3 +223,47 @@ def delete_pod(kube_host, kube_port, namespace, pod_name):
   del_url = 'http://%s:%d/api/v1/namespaces/%s/pods/%s' % (kube_host, kube_port,
                                                            namespace, pod_name)
   return _do_delete(del_url, 'Delete Pod')
+
+
+def create_pod_and_service(kube_host, kube_port, namespace, pod_name,
+                           image_name, container_port_list, cmd_list, arg_list,
+                           env_dict, is_headless_service):
+  """A helper function that creates a pod and a service (if pod creation was successful)."""
+  is_success = create_pod(kube_host, kube_port, namespace, pod_name, image_name,
+                          container_port_list, cmd_list, arg_list, env_dict)
+  if not is_success:
+    print 'Error in creating Pod'
+    return False
+
+  is_success = create_service(
+      kube_host,
+      kube_port,
+      namespace,
+      pod_name,  # Use pod_name for service
+      pod_name,
+      container_port_list,  # Service port list same as container port list
+      container_port_list,
+      is_headless_service)
+  if not is_success:
+    print 'Error in creating Service'
+    return False
+
+  print 'Successfully created the pod/service %s' % pod_name
+  return True
+
+
+def delete_pod_and_service(kube_host, kube_port, namespace, pod_name):
+  """ A helper function that calls delete_pod and delete_service """
+  is_success = delete_pod(kube_host, kube_port, namespace, pod_name)
+  if not is_success:
+    print 'Error in deleting pod %s' % pod_name
+    return False
+
+  # Note: service name assumed to the the same as pod name
+  is_success = delete_service(kube_host, kube_port, namespace, pod_name)
+  if not is_success:
+    print 'Error in deleting service %s' % pod_name
+    return False
+
+  print 'Successfully deleted the Pod/Service: %s' % pod_name
+  return True
diff --git a/tools/gource/gource.sh b/tools/gource/gource.sh
new file mode 100755
index 0000000000..0199609e9b
--- /dev/null
+++ b/tools/gource/gource.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+gource --multi-sampling -c 4 -s 0.1 --max-file-lag 0.05 --max-files 0 -e 0.05 --hide filenames,dirnames $*
+
diff --git a/tools/http2_interop/http2interop.go b/tools/http2_interop/http2interop.go
index 1276a71afc..fa113961f2 100644
--- a/tools/http2_interop/http2interop.go
+++ b/tools/http2_interop/http2interop.go
@@ -150,7 +150,8 @@ func testUnknownFrameType(ctx *HTTP2InteropCtx) error {
 	}
 
 	// Write a bunch of invalid frame types.
-	for ft := ContinuationFrameType + 1; ft != 0; ft++ {
+	// Frame number 11 is the upcoming ALTSVC frame, and should not be tested.
+	for ft := ContinuationFrameType + 2; ft != 0; ft++ {
 		fh := &UnknownFrame{
 			Header: FrameHeader{
 				Type: ft,
diff --git a/tools/http2_interop/http2interop_test.go b/tools/http2_interop/http2interop_test.go
index fb314da196..305125f0c1 100644
--- a/tools/http2_interop/http2interop_test.go
+++ b/tools/http2_interop/http2interop_test.go
@@ -49,7 +49,7 @@ func InteropCtx(t *testing.T) *HTTP2InteropCtx {
 
 	if ctx.UseTestCa {
 		// It would be odd if useTestCa was true, but not useTls.  meh
-		certData, err := ioutil.ReadFile("src/core/tsi/test_creds/ca.pem")
+		certData, err := ioutil.ReadFile("src/core/lib/tsi/test_creds/ca.pem")
 		if err != nil {
 			t.Fatal(err)
 		}
diff --git a/tools/jenkins/build_docker_and_run_tests.sh b/tools/jenkins/build_docker_and_run_tests.sh
index e2ac7518f0..5779e63db9 100755
--- a/tools/jenkins/build_docker_and_run_tests.sh
+++ b/tools/jenkins/build_docker_and_run_tests.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -60,6 +60,9 @@ docker build -t $DOCKER_IMAGE_NAME $DOCKERFILE_DIR
 # Choose random name for docker container
 CONTAINER_NAME="run_tests_$(uuidgen)"
 
+# Git root as seen by the docker instance
+docker_instance_git_root=/var/local/jenkins/grpc
+
 # Run tests inside docker
 docker run \
   -e "RUN_TESTS_COMMAND=$RUN_TESTS_COMMAND" \
@@ -69,9 +72,10 @@ docker run \
   -e XDG_CACHE_HOME=/tmp/xdg-cache-home \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
   -e HOST_GIT_ROOT=$git_root \
+  -e LOCAL_GIT_ROOT=$docker_instance_git_root \
   -e "BUILD_ID=$BUILD_ID" \
   -i $TTY_FLAG \
-  -v "$git_root:/var/local/jenkins/grpc" \
+  -v "$git_root:$docker_instance_git_root" \
   -v /tmp/ccache:/tmp/ccache \
   -v /tmp/npm-cache:/tmp/npm-cache \
   -v /tmp/xdg-cache-home:/tmp/xdg-cache-home \
@@ -82,11 +86,6 @@ docker run \
   $DOCKER_IMAGE_NAME \
   bash -l "/var/local/jenkins/grpc/$DOCKER_RUN_SCRIPT" || DOCKER_FAILED="true"
 
-if [ "$XML_REPORT" != "" ]
-then
-  docker cp "$CONTAINER_NAME:/var/local/git/grpc/$XML_REPORT" $git_root || true
-fi
-
 docker cp "$CONTAINER_NAME:/var/local/git/grpc/reports.zip" $git_root || true
 unzip -o $git_root/reports.zip -d $git_root || true
 rm -f reports.zip
diff --git a/tools/jenkins/build_interop_image.sh b/tools/jenkins/build_interop_image.sh
index 28d5f31d4f..26687a5a85 100755
--- a/tools/jenkins/build_interop_image.sh
+++ b/tools/jenkins/build_interop_image.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/build_interop_stress_image.sh b/tools/jenkins/build_interop_stress_image.sh
index 92f2dab5e3..29c8ed6427 100755
--- a/tools/jenkins/build_interop_stress_image.sh
+++ b/tools/jenkins/build_interop_stress_image.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,12 @@
 set -x
 
 # Params:
-#  INTEROP_IMAGE - name of tag of the final interop image
-#  BASE_NAME - base name used to locate the base Dockerfile and build script
+#  INTEROP_IMAGE - Name of tag of the final interop image
+#  INTEROP_IMAGE_REPOSITORY_TAG - Optional. If set, the created image will be tagged using
+#    the command: 'docker tag $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG'
+#  BASE_NAME - Base name used to locate the base Dockerfile and build script
+#  BUILD_TYPE - The 'CONFIG' variable passed to the 'make' command (example:
+#  asan, tsan. Default value: opt).
 #  TTY_FLAG - optional -t flag to make docker allocate tty
 #  BUILD_INTEROP_DOCKER_EXTRA_ARGS - optional args to be passed to the
 #    docker run command
@@ -55,10 +59,10 @@ then
 fi
 
 # Use image name based on Dockerfile checksum
-BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/$BASE_NAME/Dockerfile | cut -f1 -d\ `
+BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/stress_test/$BASE_NAME/Dockerfile | cut -f1 -d\ `
 
 # Make sure base docker image has been built. Should be instantaneous if so.
-docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/$BASE_NAME || exit $?
+docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/stress_test/$BASE_NAME || exit $?
 
 # Create a local branch so the child Docker script won't complain
 git branch -f jenkins-docker
@@ -69,14 +73,16 @@ CONTAINER_NAME="build_${BASE_NAME}_$(uuidgen)"
 (docker run \
   -e CCACHE_DIR=/tmp/ccache \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
+  -e BUILD_TYPE=${BUILD_TYPE:=opt} \
   -i $TTY_FLAG \
   $MOUNT_ARGS \
   $BUILD_INTEROP_DOCKER_EXTRA_ARGS \
   -v /tmp/ccache:/tmp/ccache \
   --name=$CONTAINER_NAME \
   $BASE_IMAGE \
-  bash -l /var/local/jenkins/grpc/tools/dockerfile/$BASE_NAME/build_interop_stress.sh \
+  bash -l /var/local/jenkins/grpc/tools/dockerfile/stress_test/$BASE_NAME/build_interop_stress.sh \
   && docker commit $CONTAINER_NAME $INTEROP_IMAGE \
+  && ( if [ -n "$INTEROP_IMAGE_REPOSITORY_TAG" ]; then docker tag -f $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG ; fi ) \
   && echo "Successfully built image $INTEROP_IMAGE")
 EXITCODE=$?
 
diff --git a/tools/jenkins/docker_run.sh b/tools/jenkins/docker_run.sh
index df7b6571d7..f04b1cfb55 100755
--- a/tools/jenkins/docker_run.sh
+++ b/tools/jenkins/docker_run.sh
@@ -42,6 +42,8 @@ else
   cp -r "$EXTERNAL_GIT_ROOT/$RELATIVE_COPY_PATH"/* "/var/local/git/grpc/$RELATIVE_COPY_PATH"
 fi
 
+$POST_GIT_STEP
+
 if [ -x "$(command -v rvm)" ]
 then
   rvm use ruby-2.1
diff --git a/tools/jenkins/docker_run_tests.sh b/tools/jenkins/docker_run_tests.sh
index 282b857351..2fc66c21f5 100755
--- a/tools/jenkins/docker_run_tests.sh
+++ b/tools/jenkins/docker_run_tests.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
 set -e
 
 export CONFIG=$config
-export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.5
+export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer
 
 # Ensure that programs depending on current-user-ownership of cache directories
 # are satisfied (it's being mounted from outside the image).
@@ -45,6 +45,8 @@ git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
 
 mkdir -p reports
 
+$POST_GIT_STEP
+
 exit_code=0
 
 $RUN_TESTS_COMMAND || exit_code=$?
@@ -60,5 +62,6 @@ echo '</body></html>' >> index.html
 cd ..
 
 zip -r reports.zip reports
+find . -name report.xml | xargs zip reports.zip
 
 exit $exit_code
diff --git a/tools/jenkins/run_distribution.sh b/tools/jenkins/run_distribution.sh
index 446ce16703..306b85b045 100755
--- a/tools/jenkins/run_distribution.sh
+++ b/tools/jenkins/run_distribution.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_full_interop.sh b/tools/jenkins/run_full_interop.sh
new file mode 100755
index 0000000000..a82da1cb68
--- /dev/null
+++ b/tools/jenkins/run_full_interop.sh
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# This script is invoked by Jenkins and runs interop test suite.
+set -ex
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../..
+
+tools/run_tests/run_interop_tests.py -l all -s all --cloud_to_prod --cloud_to_prod_auth --prod_servers default cloud_gateway gateway_v2 cloud_gateway_v2 gateway_v4 cloud_gateway_v4 --use_docker --http2_interop -t -j 12 $@ || true
diff --git a/tools/jenkins/run_fuzzer.sh b/tools/jenkins/run_fuzzer.sh
new file mode 100755
index 0000000000..3f25a93319
--- /dev/null
+++ b/tools/jenkins/run_fuzzer.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds and runs a fuzzer (specified by the first command line argument)
+
+set -ex
+
+export RUN_COMMAND="tools/fuzzer/build_and_run_fuzzer.sh $1"
+export DOCKER_RUN_SCRIPT=tools/jenkins/docker_run.sh
+export DOCKERFILE_DIR=tools/dockerfile/test/fuzzer
+export OUTPUT_DIR=fuzzer_output
+
+runtime=${runtime:-3600}
+jobs=${jobs:-3}
+
+tools/jenkins/build_and_run_docker.sh \
+  -e RUN_COMMAND="$RUN_COMMAND" \
+  -e OUTPUT_DIR="$OUTPUT_DIR" \
+  -e config="$config" \
+  -e runtime="$runtime" \
+  -e jobs="$jobs"
diff --git a/tools/jenkins/run_interop_stress.sh b/tools/jenkins/run_interop_stress.sh
index 8166f34e05..22d81db8bc 100755
--- a/tools/jenkins/run_interop_stress.sh
+++ b/tools/jenkins/run_interop_stress.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_jenkins.sh b/tools/jenkins/run_jenkins.sh
index da6ca69809..7a6dfe3577 100755
--- a/tools/jenkins/run_jenkins.sh
+++ b/tools/jenkins/run_jenkins.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_performance.sh b/tools/jenkins/run_performance.sh
index d7e73d4272..8bbb894820 100755
--- a/tools/jenkins/run_performance.sh
+++ b/tools/jenkins/run_performance.sh
@@ -47,9 +47,90 @@ PID1=$!
 bins/$config/qps_worker -driver_port 10010 &
 PID2=$!
 
+#
+# Put a timeout on these tests
+#
+((sleep 900; kill $$ && killall qps_worker && rm -f /tmp/qps-test.$$ )&)
+
 export QPS_WORKERS="localhost:10000,localhost:10010"
 
-bins/$config/qps_driver
+# big is the size in bytes of large messages (0 is the size otherwise)
+big=65536
+
+# wide is the number of client channels in multi-channel tests (1 otherwise)
+wide=64
+
+# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
+# (the value used is 1 otherwise)
+deep=100
+
+#
+# Get total core count
+cores=`grep -c ^processor /proc/cpuinfo`
+halfcores=`expr $cores / 2`
+
+for secure in true false; do
+  # Scenario 1: generic async streaming ping-pong (contentionless latency)
+  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=1 \
+    --client_channels=1 --bbuf_req_size=0 --bbuf_resp_size=0 \
+    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
+    --num_servers=1 --num_clients=1 \
+    --server_core_limit=$halfcores --client_core_limit=0
+
+  # Scenario 2: generic async streaming "unconstrained" (QPS)
+  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
+    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
+    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
+    --num_servers=1 --num_clients=0 \
+    --server_core_limit=$halfcores --client_core_limit=0 |& tee /tmp/qps-test.$$
+
+  # Scenario 2b: QPS with a single server core
+  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
+    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
+    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
+    --num_servers=1 --num_clients=0 --server_core_limit=1 --client_core_limit=0
+
+  # Scenario 2c: protobuf-based QPS
+  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=$deep \
+    --client_channels=$wide --simple_req_size=0 --simple_resp_size=0 \
+    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
+    --num_servers=1 --num_clients=0 \
+    --server_core_limit=$halfcores --client_core_limit=0
+
+  # Scenario 3: Latency at sub-peak load (all clients equally loaded)
+  for loadfactor in 0.7; do
+    bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+      --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
+      --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
+      --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
+      --num_servers=1 --num_clients=0 --poisson_load=`awk -v lf=$loadfactor \
+      '$5 == "QPS:" {print int(lf * $6); exit}' /tmp/qps-test.$$` \
+      --server_core_limit=$halfcores --client_core_limit=0
+  done
+
+  rm /tmp/qps-test.$$
+
+  # Scenario 4: Single-channel bidirectional throughput test (like TCP_STREAM).
+  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
+    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
+    --client_channels=1 --bbuf_req_size=$big --bbuf_resp_size=$big \
+    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
+    --num_servers=1 --num_clients=1 \
+    --server_core_limit=$halfcores --client_core_limit=0
+
+  # Scenario 5: Sync unary ping-pong with protobufs
+  bins/$config/qps_driver --rpc_type=UNARY --client_type=SYNC_CLIENT \
+    --server_type=SYNC_SERVER --outstanding_rpcs_per_channel=1 \
+    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
+    --secure_test=$secure --num_servers=1 --num_clients=1 \
+    --server_core_limit=$halfcores --client_core_limit=0
+
+done
+
+bins/$config/qps_driver --quit=true
 
-kill -2 $PID1 $PID2
 wait
diff --git a/tools/jenkins/run_portability.sh b/tools/jenkins/run_portability.sh
index 6f15da73f4..18d34cc870 100755
--- a/tools/jenkins/run_portability.sh
+++ b/tools/jenkins/run_portability.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/openssl/use_openssl.sh b/tools/openssl/use_openssl.sh
new file mode 100755
index 0000000000..09d86767ec
--- /dev/null
+++ b/tools/openssl/use_openssl.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../..
+set root=`pwd`
+CC=${CC:-cc}
+
+# allow openssl to be pre-downloaded
+if [ ! -e third_party/openssl-1.0.2f.tar.gz ]
+then
+  echo "Downloading https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz to third_party/openssl-1.0.2f.tar.gz"
+  wget https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz -O third_party/openssl-1.0.2f.tar.gz
+fi
+
+# clean openssl directory
+rm -rf third_party/openssl-1.0.2f
+
+# extract archive
+cd third_party
+tar xfz openssl-1.0.2f.tar.gz
+
+# build openssl
+cd openssl-1.0.2f
+CC="$CC -fPIC -fvisibility=hidden" ./config no-asm
+make
+
+# generate the 'grpc_obj' directory needed by the makefile
+mkdir grpc_obj
+cd grpc_obj
+ar x ../libcrypto.a
+ar x ../libssl.a
diff --git a/tools/run_tests/artifact_targets.py b/tools/run_tests/artifact_targets.py
index 9cd02c5e43..e61c46d8b5 100644
--- a/tools/run_tests/artifact_targets.py
+++ b/tools/run_tests/artifact_targets.py
@@ -69,16 +69,17 @@ def create_jobspec(name, cmdline, environ=None, shell=False,
   return jobspec
 
 
-def macos_arch_env(arch):
-  """Returns environ specifying -arch arguments for make."""
-  if arch == 'x86':
-    arch_arg = '-arch i386'
-  elif arch == 'x64':
-    arch_arg = '-arch x86_64'
-  else:
-    raise Exception('Unsupported arch')
-  return {'CFLAGS': arch_arg, 'LDFLAGS': arch_arg}
+_MACOS_COMPAT_FLAG = '-mmacosx-version-min=10.7'
 
+_ARCH_FLAG_MAP = {
+  'x86': '-m32',
+  'x64': '-m64'
+}
+
+python_version_arch_map = {
+  'x86': 'Python27_32bits',
+  'x64': 'Python27'
+}
 
 class PythonArtifact:
   """Builds Python artifacts."""
@@ -88,27 +89,31 @@ class PythonArtifact:
     self.platform = platform
     self.arch = arch
     self.labels = ['artifact', 'python', platform, arch]
+    self.python_version = python_version_arch_map[arch]
 
   def pre_build_jobspecs(self):
       return []
 
   def build_jobspec(self):
-    if self.platform == 'windows':
-      raise Exception('Not supported yet.')
+    environ = {}
+    if self.platform == 'linux':
+      if self.arch == 'x86':
+        environ['SETARCH_CMD'] = 'linux32'
+      return create_docker_jobspec(self.name,
+          'tools/dockerfile/grpc_artifact_linux_%s' % self.arch,
+          'tools/run_tests/build_artifact_python.sh',
+          environ=environ)
+    elif self.platform == 'windows':
+      return create_jobspec(self.name,
+                            ['tools\\run_tests\\build_artifact_python.bat',
+                             self.python_version
+                            ],
+                            shell=True)
     else:
-      environ = {}
-      if self.platform == 'linux':
-        if self.arch == 'x86':
-          environ['SETARCH_CMD'] = 'linux32'
-        return create_docker_jobspec(self.name,
-            'tools/dockerfile/grpc_artifact_linux_%s' % self.arch,
-            'tools/run_tests/build_artifact_python.sh',
-            environ=environ)
-      else:
-        environ['SKIP_PIP_INSTALL'] = 'TRUE'
-        return create_jobspec(self.name,
-                              ['tools/run_tests/build_artifact_python.sh'],
-                              environ=environ)
+      environ['SKIP_PIP_INSTALL'] = 'TRUE'
+      return create_jobspec(self.name,
+                            ['tools/run_tests/build_artifact_python.sh'],
+                            environ=environ)
 
   def __str__(self):
     return self.name
@@ -176,13 +181,17 @@ class CSharpExtArtifact:
       environ = {'CONFIG': 'opt',
                  'EMBED_OPENSSL': 'true',
                  'EMBED_ZLIB': 'true',
-                 'CFLAGS': '-DGPR_BACKWARDS_COMPATIBILITY_MODE'}
+                 'CFLAGS': '-DGPR_BACKWARDS_COMPATIBILITY_MODE',
+                 'LDFLAGS': ''}
       if self.platform == 'linux':
         return create_docker_jobspec(self.name,
             'tools/dockerfile/grpc_artifact_linux_%s' % self.arch,
-            'tools/run_tests/build_artifact_csharp.sh')
+            'tools/run_tests/build_artifact_csharp.sh',
+            environ=environ)
       else:
-        environ.update(macos_arch_env(self.arch))
+        archflag = _ARCH_FLAG_MAP[self.arch]
+        environ['CFLAGS'] += ' %s %s' % (archflag, _MACOS_COMPAT_FLAG)
+        environ['LDFLAGS'] += ' %s' % archflag
         return create_jobspec(self.name,
                               ['tools/run_tests/build_artifact_csharp.sh'],
                               environ=environ)
@@ -190,6 +199,7 @@ class CSharpExtArtifact:
   def __str__(self):
     return self.name
 
+
 node_gyp_arch_map = {
   'x86': 'ia32',
   'x64': 'x64'
@@ -225,16 +235,85 @@ class NodeExtArtifact:
                               ['tools/run_tests/build_artifact_node.sh',
                                self.gyp_arch])
 
+class PHPArtifact:
+  """Builds PHP PECL package"""
+
+  def __init__(self, platform, arch):
+    self.name = 'php_pecl_package_{0}_{1}'.format(platform, arch)
+    self.platform = platform
+    self.arch = arch
+    self.labels = ['artifact', 'php', platform, arch]
+
+  def pre_build_jobspecs(self):
+    return []
+
+  def build_jobspec(self):
+    if self.platform == 'linux':
+      return create_docker_jobspec(
+          self.name,
+          'tools/dockerfile/grpc_artifact_linux_{}'.format(self.arch),
+          'tools/run_tests/build_artifact_php.sh')
+    else:
+      return create_jobspec(self.name,
+                            ['tools/run_tests/build_artifact_php.sh'])
+
+class ProtocArtifact:
+  """Builds protoc and protoc-plugin artifacts"""
+
+  def __init__(self, platform, arch):
+    self.name = 'protoc_%s_%s' % (platform, arch)
+    self.platform = platform
+    self.arch = arch
+    self.labels = ['artifact', 'protoc', platform, arch]
+
+  def pre_build_jobspecs(self):
+      return []
+
+  def build_jobspec(self):
+    if self.platform != 'windows':
+      cxxflags = '-DNDEBUG %s' % _ARCH_FLAG_MAP[self.arch]
+      ldflags = '%s' % _ARCH_FLAG_MAP[self.arch]
+      if self.platform != 'macos':
+        ldflags += '  -static-libgcc -static-libstdc++ -s'
+      environ={'CONFIG': 'opt',
+               'CXXFLAGS': cxxflags,
+               'LDFLAGS': ldflags,
+               'PROTOBUF_LDFLAGS_EXTRA': ldflags}
+      if self.platform == 'linux':
+        return create_docker_jobspec(self.name,
+            'tools/dockerfile/grpc_artifact_protoc',
+            'tools/run_tests/build_artifact_protoc.sh',
+            environ=environ)
+      else:
+        environ['CXXFLAGS'] += ' -std=c++11 -stdlib=libc++ %s' % _MACOS_COMPAT_FLAG
+        return create_jobspec(self.name,
+            ['tools/run_tests/build_artifact_protoc.sh'],
+            environ=environ)
+    else:
+      generator = 'Visual Studio 12 Win64' if self.arch == 'x64' else 'Visual Studio 12' 
+      vcplatform = 'x64' if self.arch == 'x64' else 'Win32'
+      return create_jobspec(self.name,
+                            ['tools\\run_tests\\build_artifact_protoc.bat'],
+                            environ={'generator': generator,
+                                     'Platform': vcplatform})
+
+  def __str__(self):
+    return self.name
+
 
 def targets():
   """Gets list of supported targets"""
   return ([Cls(platform, arch)
-           for Cls in (CSharpExtArtifact, NodeExtArtifact)
+           for Cls in (CSharpExtArtifact, NodeExtArtifact, ProtocArtifact)
            for platform in ('linux', 'macos', 'windows')
            for arch in ('x86', 'x64')] +
           [PythonArtifact('linux', 'x86'),
            PythonArtifact('linux', 'x64'),
            PythonArtifact('macos', 'x64'),
+           PythonArtifact('windows', 'x86'),
+           PythonArtifact('windows', 'x64'),
            RubyArtifact('linux', 'x86'),
            RubyArtifact('linux', 'x64'),
-           RubyArtifact('macos', 'x64')])
+           RubyArtifact('macos', 'x64'),
+           PHPArtifact('linux', 'x64'),
+           PHPArtifact('macos', 'x64')])
diff --git a/tools/run_tests/build_artifact_node.sh b/tools/run_tests/build_artifact_node.sh
index 6aa4824538..ef3476a038 100755
--- a/tools/run_tests/build_artifact_node.sh
+++ b/tools/run_tests/build_artifact_node.sh
@@ -30,9 +30,9 @@
 
 NODE_TARGET_ARCH=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 
diff --git a/tools/run_tests/build_artifact_php.sh b/tools/run_tests/build_artifact_php.sh
new file mode 100755
index 0000000000..50bf0ea821
--- /dev/null
+++ b/tools/run_tests/build_artifact_php.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PHP_TARGET_ARCH=$1
+set -ex
+
+cd $(dirname $0)/../..
+
+mkdir -p artifacts
+
+pear package
+
+cp -r grpc-*.tgz artifacts/grpc-php.tgz
diff --git a/tools/run_tests/build_artifact_protoc.bat b/tools/run_tests/build_artifact_protoc.bat
new file mode 100644
index 0000000000..e1dc032188
--- /dev/null
+++ b/tools/run_tests/build_artifact_protoc.bat
@@ -0,0 +1,51 @@
+@rem Copyright 2016, Google Inc.
+@rem All rights reserved.
+@rem
+@rem Redistribution and use in source and binary forms, with or without
+@rem modification, are permitted provided that the following conditions are
+@rem met:
+@rem
+@rem     * Redistributions of source code must retain the above copyright
+@rem notice, this list of conditions and the following disclaimer.
+@rem     * Redistributions in binary form must reproduce the above
+@rem copyright notice, this list of conditions and the following disclaimer
+@rem in the documentation and/or other materials provided with the
+@rem distribution.
+@rem     * Neither the name of Google Inc. nor the names of its
+@rem contributors may be used to endorse or promote products derived from
+@rem this software without specific prior written permission.
+@rem
+@rem THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+@rem "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+@rem LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+@rem A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+@rem OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+@rem SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+@rem LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+@rem DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+@rem THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+@rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+@rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+mkdir artifacts
+
+setlocal
+cd third_party/protobuf
+
+powershell -Command "Invoke-WebRequest https://googlemock.googlecode.com/files/gmock-1.7.0.zip -OutFile gmock.zip"
+powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [System.IO.Compression.ZipFile]::ExtractToDirectory('gmock.zip', '.');"
+rename gmock-1.7.0 gmock
+
+cd cmake
+cmake -G "%generator%" || goto :error
+endlocal
+
+call vsprojects/build_plugins.bat || goto :error
+
+xcopy /Y third_party\protobuf\cmake\Release\protoc.exe artifacts\ || goto :error
+xcopy /Y vsprojects\Release\*_plugin.exe artifacts\ || xcopy /Y vsprojects\x64\Release\*_plugin.exe artifacts\ || goto :error
+
+goto :EOF
+
+:error
+exit /b 1
\ No newline at end of file
diff --git a/tools/run_tests/build_artifact_protoc.sh b/tools/run_tests/build_artifact_protoc.sh
new file mode 100755
index 0000000000..161d3a84d6
--- /dev/null
+++ b/tools/run_tests/build_artifact_protoc.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Use devtoolset environment that has GCC 4.7 before set -ex
+source scl_source enable devtoolset-1.1
+
+set -ex
+
+cd $(dirname $0)/../..
+
+make plugins
+
+mkdir -p artifacts
+cp bins/opt/protobuf/protoc bins/opt/*_plugin artifacts/
diff --git a/tools/run_tests/build_artifact_python.bat b/tools/run_tests/build_artifact_python.bat
new file mode 100644
index 0000000000..023d394549
--- /dev/null
+++ b/tools/run_tests/build_artifact_python.bat
@@ -0,0 +1,61 @@
+@rem Copyright 2016, Google Inc.
+@rem All rights reserved.
+@rem
+@rem Redistribution and use in source and binary forms, with or without
+@rem modification, are permitted provided that the following conditions are
+@rem met:
+@rem
+@rem     * Redistributions of source code must retain the above copyright
+@rem notice, this list of conditions and the following disclaimer.
+@rem     * Redistributions in binary form must reproduce the above
+@rem copyright notice, this list of conditions and the following disclaimer
+@rem in the documentation and/or other materials provided with the
+@rem distribution.
+@rem     * Neither the name of Google Inc. nor the names of its
+@rem contributors may be used to endorse or promote products derived from
+@rem this software without specific prior written permission.
+@rem
+@rem THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+@rem "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+@rem LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+@rem A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+@rem OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+@rem SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+@rem LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+@rem DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+@rem THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+@rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+@rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+set NUGET=C:\nuget\nuget.exe
+%NUGET% restore vsprojects\grpc.sln || goto :error
+
+
+@call vsprojects\build_vs2013.bat vsprojects\grpc.sln /t:grpc_dll /p:Configuration=Release /p:PlatformToolset=v120 /p:Platform=Win32 || goto :error
+@call vsprojects\build_vs2013.bat vsprojects\grpc.sln /t:grpc_dll /p:Configuration=Release /p:PlatformToolset=v120 /p:Platform=x64   || goto :error
+
+mkdir src\python\grpcio\grpc\_cython\_windows
+
+copy /Y vsprojects\Release\grpc_dll.dll src\python\grpcio\grpc\_cython\_windows\grpc_c.32.python || goto :error
+copy /Y vsprojects\x64\Release\grpc_dll.dll src\python\grpcio\grpc\_cython\_windows\grpc_c.64.python || goto :error
+
+
+set PATH=C:\%1;C:\%1\scripts;%PATH%
+
+pip install --upgrade six
+pip install --upgrade setuptools
+pip install -rrequirements.txt
+
+set GRPC_PYTHON_USE_CUSTOM_BDIST=0
+set GRPC_PYTHON_BUILD_WITH_CYTHON=1
+
+python setup.py bdist_wheel
+
+mkdir artifacts
+xcopy /Y /I /S dist\* artifacts\ || goto :error
+
+goto :EOF
+
+:error
+exit /b 1
diff --git a/tools/run_tests/build_artifact_python.sh b/tools/run_tests/build_artifact_python.sh
index 6e7ab911d5..1f23f9fade 100755
--- a/tools/run_tests/build_artifact_python.sh
+++ b/tools/run_tests/build_artifact_python.sh
@@ -35,24 +35,32 @@ cd $(dirname $0)/../..
 if [ "$SKIP_PIP_INSTALL" == "" ]
 then
   pip install --upgrade six
-  pip install --upgrade setuptools
+  # There's a bug in newer versions of setuptools (see
+  # https://bitbucket.org/pypa/setuptools/issues/503/pkg_resources_vendorpackagingrequirementsi)
+  pip install --upgrade 'setuptools==18'
   pip install -rrequirements.txt
 fi
 
+export GRPC_PYTHON_USE_CUSTOM_BDIST=0
+export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+
+# Build the source distribution first because MANIFEST.in cannot override
+# exclusion of built shared objects among package resources (for some
+# inexplicable reason).
+${SETARCH_CMD} python setup.py  \
+    sdist
+
 # The bdist_wheel_grpc_custom command is finicky about command output ordering
 # and thus ought to be run in a shell command separate of others. Further, it
 # trashes the actual bdist_wheel output, so it should be run first so that
 # bdist_wheel may be run unmolested.
-GRPC_PYTHON_USE_CUSTOM_BDIST=0  \
-GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
 ${SETARCH_CMD} python setup.py  \
     build_tagged_ext
 
-GRPC_PYTHON_USE_CUSTOM_BDIST=0  \
-GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
+# Wheel has a bug where directories don't get excluded.
+# https://bitbucket.org/pypa/wheel/issues/99/cannot-exclude-directory
 ${SETARCH_CMD} python setup.py  \
-    bdist_wheel                 \
-    sdist
+    bdist_wheel
 
 mkdir -p artifacts
 
diff --git a/tools/run_tests/build_csharp.sh b/tools/run_tests/build_csharp.sh
index aadd11e205..48ce11a10b 100755
--- a/tools/run_tests/build_csharp.sh
+++ b/tools/run_tests/build_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/build_node.bat b/tools/run_tests/build_node.bat
index 6896bc1d1b..82e8208348 100644
--- a/tools/run_tests/build_node.bat
+++ b/tools/run_tests/build_node.bat
@@ -27,4 +27,16 @@
 @rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 @rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-npm install --build-from-source
\ No newline at end of file
+set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
+
+del /f /q BUILD || rmdir build /s /q
+
+call npm install --build-from-source
+
+@rem delete the redundant openssl headers
+for /f "delims=v" %%v in ('node --version') do (
+  rmdir "%USERPROFILE%\.node-gyp\%%v\include\node\openssl" /S /Q
+)
+
+@rem rebuild, because it probably failed the first time
+call npm install --build-from-source
\ No newline at end of file
diff --git a/tools/run_tests/build_node.sh b/tools/run_tests/build_node.sh
index 9c4af07185..d9292fd8aa 100755
--- a/tools/run_tests/build_node.sh
+++ b/tools/run_tests/build_node.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}
 
diff --git a/tools/run_tests/build_package_node.sh b/tools/run_tests/build_package_node.sh
index aca90a3750..540c826311 100755
--- a/tools/run_tests/build_package_node.sh
+++ b/tools/run_tests/build_package_node.sh
@@ -29,9 +29,9 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 
diff --git a/tools/run_tests/build_package_php.sh b/tools/run_tests/build_package_php.sh
new file mode 100755
index 0000000000..56e3319ed9
--- /dev/null
+++ b/tools/run_tests/build_package_php.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../..
+
+mkdir -p artifacts/
+cp -r $EXTERNAL_GIT_ROOT/architecture={x86,x64},language=php,platform={windows,linux,macos}/artifacts/* artifacts/ || true
diff --git a/tools/run_tests/build_php.sh b/tools/run_tests/build_php.sh
index 0f9cfe5e3a..77a8abcfe7 100755
--- a/tools/run_tests/build_php.sh
+++ b/tools/run_tests/build_php.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/build_python.sh b/tools/run_tests/build_python.sh
index e0fcbb602d..30d121007f 100755
--- a/tools/run_tests/build_python.sh
+++ b/tools/run_tests/build_python.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,8 +40,16 @@ export PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 export CFLAGS="-I$ROOT/include -std=gnu99"
 export LDFLAGS="-L$ROOT/libs/$CONFIG"
 export GRPC_PYTHON_BUILD_WITH_CYTHON=1
-export GRPC_PYTHON_ENABLE_CYTHON_TRACING=1
+export GRPC_PYTHON_USE_PRECOMPILED_BINARIES=0
+
+if [ "$CONFIG" = "gcov" ]
+then
+  export GRPC_PYTHON_ENABLE_CYTHON_TRACING=1
+fi
 
 tox --notest
 
 $ROOT/.tox/py27/bin/python $ROOT/setup.py build
+$ROOT/.tox/py27/bin/python $ROOT/setup.py build_py
+$ROOT/.tox/py27/bin/python $ROOT/setup.py build_ext --inplace
+$ROOT/.tox/py27/bin/python $ROOT/setup.py gather --test
diff --git a/tools/run_tests/build_ruby.sh b/tools/run_tests/build_ruby.sh
index ebd27f6a6c..10343fce69 100755
--- a/tools/run_tests/build_ruby.sh
+++ b/tools/run_tests/build_ruby.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/configs.json b/tools/run_tests/configs.json
index 9d7b8a3c72..325e9aa929 100644
--- a/tools/run_tests/configs.json
+++ b/tools/run_tests/configs.json
@@ -3,6 +3,37 @@
     "config": "opt"
   }, 
   {
+    "config": "asan-trace-cmp", 
+    "environ": {
+      "ASAN_OPTIONS": "detect_leaks=1:color=always", 
+      "LSAN_OPTIONS": "suppressions=tools/lsan_suppressions.txt:report_objects=1"
+    }, 
+    "timeout_multiplier": 3
+  }, 
+  {
+    "config": "dbg"
+  }, 
+  {
+    "config": "easan", 
+    "environ": {
+      "ASAN_OPTIONS": "detect_leaks=1:color=always", 
+      "LSAN_OPTIONS": "suppressions=tools/lsan_suppressions.txt:report_objects=1"
+    }, 
+    "timeout_multiplier": 3
+  }, 
+  {
+    "config": "asan", 
+    "environ": {
+      "ASAN_OPTIONS": "detect_leaks=1:color=always", 
+      "LSAN_OPTIONS": "suppressions=tools/lsan_suppressions.txt:report_objects=1"
+    }, 
+    "timeout_multiplier": 3
+  }, 
+  {
+    "config": "msan", 
+    "timeout_multiplier": 4
+  }, 
+  {
     "config": "basicprof"
   }, 
   {
@@ -18,20 +49,27 @@
     "environ": {
       "ASAN_OPTIONS": "detect_leaks=0:color=always"
     }, 
-    "timeout_multiplier": 1.5
+    "timeout_multiplier": 3
+  }, 
+  {
+    "config": "edbg"
   }, 
   {
     "config": "ubsan", 
     "timeout_multiplier": 1.5
   }, 
   {
-    "config": "dbg"
+    "config": "tsan", 
+    "environ": {
+      "TSAN_OPTIONS": "suppressions=tools/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1"
+    }, 
+    "timeout_multiplier": 5
   }, 
   {
     "config": "stapprof"
   }, 
   {
-    "config": "gcov"
+    "config": "mutrace"
   }, 
   {
     "config": "memcheck", 
@@ -43,25 +81,13 @@
     ]
   }, 
   {
-    "config": "asan", 
-    "environ": {
-      "ASAN_OPTIONS": "detect_leaks=1:color=always", 
-      "LSAN_OPTIONS": "suppressions=tools/lsan_suppressions.txt:report_objects=1"
-    }, 
-    "timeout_multiplier": 1.5
-  }, 
-  {
-    "config": "tsan", 
+    "config": "etsan", 
     "environ": {
       "TSAN_OPTIONS": "suppressions=tools/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1"
     }, 
-    "timeout_multiplier": 2
-  }, 
-  {
-    "config": "msan", 
-    "timeout_multiplier": 2
+    "timeout_multiplier": 5
   }, 
   {
-    "config": "mutrace"
+    "config": "gcov"
   }
 ]
diff --git a/tools/run_tests/distribtest_targets.py b/tools/run_tests/distribtest_targets.py
index 261f44bc6d..34cc1cd710 100644
--- a/tools/run_tests/distribtest_targets.py
+++ b/tools/run_tests/distribtest_targets.py
@@ -96,6 +96,15 @@ class CSharpDistribTest(object):
       return create_jobspec(self.name,
           ['test/distrib/csharp/run_distrib_test.sh'],
           environ={'EXTERNAL_GIT_ROOT': '../../..'})
+    elif self.platform == 'windows':
+      if self.arch == 'x64':
+        environ={'MSBUILD_EXTRA_ARGS': '/p:Platform=x64',
+                 'DISTRIBTEST_OUTPATH': 'DistribTest\\bin\\x64\\Debug'}
+      else:
+        environ={'DISTRIBTEST_OUTPATH': 'DistribTest\\bin\\\Debug'}
+      return create_jobspec(self.name,
+          ['test\\distrib\\csharp\\run_distrib_test.bat'],
+          environ=environ)
     else:
       raise Exception("Not supported yet.")
 
@@ -198,6 +207,37 @@ class RubyDistribTest(object):
     return self.name
 
 
+class PHPDistribTest(object):
+  """Tests PHP package"""
+
+  def __init__(self, platform, arch, docker_suffix=None):
+    self.name = 'php_%s_%s_%s' % (platform, arch, docker_suffix)
+    self.platform = platform
+    self.arch = arch
+    self.docker_suffix = docker_suffix
+    self.labels = ['distribtest', 'php', platform, arch, docker_suffix]
+
+  def pre_build_jobspecs(self):
+    return []
+
+  def build_jobspec(self):
+    if self.platform == 'linux':
+      return create_docker_jobspec(self.name,
+                                   'tools/dockerfile/distribtest/php_%s_%s' % (
+                                       self.docker_suffix,
+                                       self.arch),
+                                   'test/distrib/php/run_distrib_test.sh')
+    elif self.platform == 'macos':
+      return create_jobspec(self.name,
+          ['test/distrib/php/run_distrib_test.sh'],
+          environ={'EXTERNAL_GIT_ROOT': '../../..'})
+    else:
+      raise Exception("Not supported yet.")
+
+  def __str__(self):
+    return self.name
+
+
 def targets():
   """Gets list of supported targets"""
   return [CSharpDistribTest('linux', 'x64', 'wheezy'),
@@ -209,6 +249,8 @@ def targets():
           CSharpDistribTest('linux', 'x64', 'ubuntu1510'),
           CSharpDistribTest('linux', 'x64', 'ubuntu1604'),
           CSharpDistribTest('macos', 'x86'),
+          CSharpDistribTest('windows', 'x86'),
+          CSharpDistribTest('windows', 'x64'),
           PythonDistribTest('linux', 'x64', 'wheezy'),
           PythonDistribTest('linux', 'x64', 'jessie'),
           PythonDistribTest('linux', 'x86', 'jessie'),
@@ -241,7 +283,10 @@ def targets():
           RubyDistribTest('linux', 'x64', 'ubuntu1510'),
           RubyDistribTest('linux', 'x64', 'ubuntu1604'),
           NodeDistribTest('macos', 'x64', None, '4'),
-          NodeDistribTest('linux', 'x86', 'jessie', '4')
+          NodeDistribTest('macos', 'x64', None, '5'),
+          NodeDistribTest('linux', 'x86', 'jessie', '4'),
+          PHPDistribTest('linux', 'x64', 'jessie'),
+          PHPDistribTest('macos', 'x64'),
           ] + [
             NodeDistribTest('linux', 'x64', os, version)
             for os in ('wheezy', 'jessie', 'ubuntu1204', 'ubuntu1404',
diff --git a/tools/run_tests/jobset.py b/tools/run_tests/jobset.py
index adf178bb3c..e9675fb785 100755
--- a/tools/run_tests/jobset.py
+++ b/tools/run_tests/jobset.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -151,7 +151,8 @@ class JobSpec(object):
 
   def __init__(self, cmdline, shortname=None, environ=None, hash_targets=None,
                cwd=None, shell=False, timeout_seconds=5*60, flake_retries=0,
-               timeout_retries=0, kill_handler=None, cpu_cost=1.0):
+               timeout_retries=0, kill_handler=None, cpu_cost=1.0,
+               verbose_success=False):
     """
     Arguments:
       cmdline: a list of arguments to pass as the command line
@@ -176,6 +177,7 @@ class JobSpec(object):
     self.timeout_retries = timeout_retries
     self.kill_handler = kill_handler
     self.cpu_cost = cpu_cost
+    self.verbose_success = verbose_success
 
   def identity(self):
     return '%r %r %r' % (self.cmdline, self.environ, self.hash_targets)
@@ -287,7 +289,8 @@ class Job(object):
             cores = (user + sys) / real
             measurement = '; cpu_cost=%.01f; estimated=%.01f' % (cores, self._spec.cpu_cost)
         message('PASSED', '%s [time=%.1fsec; retries=%d:%d%s]' % (
-                    self._spec.shortname, elapsed, self._retries, self._timeout_retries, measurement),
+            self._spec.shortname, elapsed, self._retries, self._timeout_retries, measurement),
+            stdout() if self._spec.verbose_success else None,
             do_newline=self._newline_on_success or self._travis)
         self.result.state = 'PASSED'
         if self._bin_hash:
@@ -384,7 +387,8 @@ class Jobset(object):
                 self._travis,
                 self._add_env)
       self._running.add(job)
-      self.resultset[job.GetSpec().shortname] = []
+      if not self.resultset.has_key(job.GetSpec().shortname):
+        self.resultset[job.GetSpec().shortname] = []
     return True
 
   def reap(self):
diff --git a/tools/run_tests/package_targets.py b/tools/run_tests/package_targets.py
index 4ca8279f1b..87bc4865ce 100644
--- a/tools/run_tests/package_targets.py
+++ b/tools/run_tests/package_targets.py
@@ -139,9 +139,27 @@ class PythonPackage:
         'tools/run_tests/build_package_python.sh')
 
 
+class PHPPackage:
+  """Copy PHP PECL package artifact"""
+
+  def __init__(self):
+    self.name = 'php_package'
+    self.labels = ['package', 'php', 'linux']
+
+  def pre_build_jobspecs(self):
+    return []
+
+  def build_jobspec(self):
+    return create_docker_jobspec(
+        self.name,
+        'tools/dockerfile/grpc_artifact_linux_x64',
+        'tools/run_tests/build_package_php.sh')
+
+
 def targets():
   """Gets list of supported targets"""
   return [CSharpPackage(),
           NodePackage(),
           RubyPackage(),
-          PythonPackage()]
+          PythonPackage(),
+          PHPPackage()]
diff --git a/tools/run_tests/performance/__init__.py b/tools/run_tests/performance/__init__.py
new file mode 100644
index 0000000000..100a624dc9
--- /dev/null
+++ b/tools/run_tests/performance/__init__.py
@@ -0,0 +1,28 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/tools/run_tests/performance/bq_upload_result.py b/tools/run_tests/performance/bq_upload_result.py
new file mode 100755
index 0000000000..ebd28f7591
--- /dev/null
+++ b/tools/run_tests/performance/bq_upload_result.py
@@ -0,0 +1,135 @@
+#!/usr/bin/env python2.7
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Uploads performance benchmark result file to bigquery.
+
+import argparse
+import calendar
+import json
+import os
+import sys
+import time
+import uuid
+
+
+gcp_utils_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/utils'))
+sys.path.append(gcp_utils_dir)
+import big_query_utils
+
+
+_PROJECT_ID='grpc-testing'
+
+
+def _upload_scenario_result_to_bigquery(dataset_id, table_id, result_file):
+  bq = big_query_utils.create_big_query()
+  _create_results_table(bq, dataset_id, table_id)
+
+  with open(result_file, 'r') as f:
+    scenario_result = json.loads(f.read())
+
+  if not _insert_result(bq, dataset_id, table_id, scenario_result):
+    print 'Error uploading result to bigquery.'
+    sys.exit(1)
+
+
+def _insert_result(bq, dataset_id, table_id, scenario_result):
+  _flatten_result_inplace(scenario_result)
+  _populate_metadata_inplace(scenario_result)
+  row = big_query_utils.make_row(str(uuid.uuid4()), scenario_result)
+  return big_query_utils.insert_rows(bq,
+                                     _PROJECT_ID,
+                                     dataset_id,
+                                     table_id,
+                                     [row])
+
+
+def _create_results_table(bq, dataset_id, table_id):
+  with open(os.path.dirname(__file__) + '/scenario_result_schema.json', 'r') as f:
+    table_schema = json.loads(f.read())
+  desc = 'Results of performance benchmarks.'
+  return big_query_utils.create_table2(bq, _PROJECT_ID, dataset_id,
+                               table_id, table_schema, desc)
+
+
+def _flatten_result_inplace(scenario_result):
+  """Bigquery is not really great for handling deeply nested data
+  and repeated fields. To maintain values of some fields while keeping
+  the schema relatively simple, we artificially leave some of the fields
+  as JSON strings.
+  """
+  scenario_result['scenario']['clientConfig'] = json.dumps(scenario_result['scenario']['clientConfig'])
+  scenario_result['scenario']['serverConfig'] = json.dumps(scenario_result['scenario']['serverConfig'])
+  scenario_result['latencies'] = json.dumps(scenario_result['latencies'])
+  for stats in scenario_result['clientStats']:
+    stats['latencies'] = json.dumps(stats['latencies'])
+  scenario_result['serverCores'] = json.dumps(scenario_result['serverCores'])
+
+
+def _populate_metadata_inplace(scenario_result):
+  """Populates metadata based on environment variables set by Jenkins."""
+  # NOTE: Grabbing the Jenkins environment variables will only work if the
+  # driver is running locally on the same machine where Jenkins has started
+  # the job. For our setup, this is currently the case, so just assume that.
+  build_number = os.getenv('BUILD_NUMBER')
+  build_url = os.getenv('BUILD_URL')
+  job_name = os.getenv('JOB_NAME')
+  git_commit = os.getenv('GIT_COMMIT')
+  # actual commit is the actual head of PR that is getting tested
+  git_actual_commit = os.getenv('ghprbActualCommit')
+
+  utc_timestamp = str(calendar.timegm(time.gmtime()))
+  metadata = {'created': utc_timestamp}
+
+  if build_number:
+    metadata['buildNumber'] = build_number
+  if build_url:
+    metadata['buildUrl'] = build_url
+  if job_name:
+    metadata['jobName'] = job_name
+  if git_commit:
+    metadata['gitCommit'] = git_commit
+  if git_actual_commit:
+    metadata['gitActualCommit'] = git_actual_commit
+
+  scenario_result['metadata'] = metadata
+
+
+argp = argparse.ArgumentParser(description='Upload result to big query.')
+argp.add_argument('--bq_result_table', required=True, default=None, type=str,
+                  help='Bigquery "dataset.table" to upload results to.')
+argp.add_argument('--file_to_upload', default='scenario_result.json', type=str,
+                  help='Report file to upload.')
+
+args = argp.parse_args()
+
+dataset_id, table_id = args.bq_result_table.split('.', 2)
+_upload_scenario_result_to_bigquery(dataset_id, table_id, args.file_to_upload)
+print 'Successfully uploaded %s to BigQuery.\n' % args.file_to_upload
diff --git a/tools/run_tests/run_csharp.sh b/tools/run_tests/performance/build_performance.sh
index 10f1c28521..2c962cba37 100755
--- a/tools/run_tests/run_csharp.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,23 +30,23 @@
 
 set -ex
 
-CONFIG=${CONFIG:-opt}
-NUNIT_CONSOLE="mono packages/NUnit.Runners.2.6.4/tools/nunit-console.exe"
-
-# change to gRPC repo root
-cd $(dirname $0)/../..
+cd $(dirname $0)/../../..
 
-(cd src/csharp; $NUNIT_CONSOLE $@)
+#TODO(jtattermusch): add support for more languages
 
-if [ "$CONFIG" = "gcov" ]
-then
-  # Generate the csharp extension coverage report
-  gcov objs/gcov/src/csharp/ext/*.o
-  lcov --base-directory . --directory . -c -o coverage.info
-  lcov -e coverage.info '**/src/csharp/ext/*' -o coverage.info
-  genhtml -o reports/csharp_ext_coverage --num-spaces 2 \
-    -t 'gRPC C# native extension test coverage' coverage.info \
-    --rc genhtml_hi_limit=95 --rc genhtml_med_limit=80 --no-prefix
-fi
+CONFIG=${CONFIG:-opt}
 
+# build C++ qps worker & driver always - we need at least the driver to
+# run any of the scenarios.
+# TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
+# grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
+# this build will be reused.
+make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver qps_json_driver -j8
 
+for language in $@
+do
+  if [ "$language" != "c++" ]
+  then
+    tools/run_tests/run_tests.py -l $language -c $CONFIG --build_only -j 8
+  fi
+done
diff --git a/examples/python/helloworld/run_client.sh b/tools/run_tests/performance/remote_host_build.sh
index 1c0ce020ee..b8886080a5 100755
--- a/examples/python/helloworld/run_client.sh
+++ b/tools/run_tests/performance/remote_host_build.sh
@@ -28,9 +28,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This is where you have cloned out the https://github.com/grpc/grpc repository
-# And built gRPC Python.
-# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
-GRPC_ROOT=~/github/grpc
+set -ex
 
-$GRPC_ROOT/python2.7_virtual_environment/bin/python greeter_client.py
+cd $(dirname $0)/../../..
+
+# execute the build script remotely
+ssh "${USER_AT_HOST}" "CONFIG=${CONFIG} ~/performance_workspace/grpc/tools/run_tests/performance/build_performance.sh $*"
diff --git a/tools/run_tests/performance/remote_host_prepare.sh b/tools/run_tests/performance/remote_host_prepare.sh
new file mode 100755
index 0000000000..18633d1420
--- /dev/null
+++ b/tools/run_tests/performance/remote_host_prepare.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+# cleanup after previous builds
+ssh "${USER_AT_HOST}" "rm -rf ~/performance_workspace && mkdir -p ~/performance_workspace"
+
+# TODO(jtattermusch): To be sure there are no running processes that would
+# mess with the results, be rough and reboot the slave here
+# and wait for it to come back online.
+ssh "${USER_AT_HOST}" "killall qps_worker mono node || true"
+
+# push the current sources to the slave and unpack it.
+scp ../grpc.tar "${USER_AT_HOST}:~/performance_workspace"
+ssh "${USER_AT_HOST}" "tar -xf ~/performance_workspace/grpc.tar -C ~/performance_workspace"
diff --git a/examples/python/route_guide/run_server.sh b/tools/run_tests/performance/run_qps_driver.sh
index 7b1a764c06..c8c6890df9 100755
--- a/examples/python/route_guide/run_server.sh
+++ b/tools/run_tests/performance/run_qps_driver.sh
@@ -28,9 +28,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This is where you have cloned out the https://github.com/grpc/grpc repository
-# And built gRPC Python.
-# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
-GRPC_ROOT=~/github/grpc
+set -ex
 
-$GRPC_ROOT/python2.7_virtual_environment/bin/python -B route_guide_server.py
+cd $(dirname $0)/../../..
+
+bins/opt/qps_json_driver "$@"
+
+if [ "$BQ_RESULT_TABLE" != "" ]
+then
+  tools/run_tests/performance/bq_upload_result.py --bq_result_table="$BQ_RESULT_TABLE"
+fi
diff --git a/examples/python/route_guide/run_client.sh b/tools/run_tests/performance/run_worker_csharp.sh
index e5fd383859..b91df09b42 100755
--- a/examples/python/route_guide/run_client.sh
+++ b/tools/run_tests/performance/run_worker_csharp.sh
@@ -28,9 +28,11 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This is where you have cloned out the https://github.com/grpc/grpc repository
-# And built gRPC Python.
-# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
-GRPC_ROOT=~/github/grpc
+set -ex
 
-$GRPC_ROOT/python2.7_virtual_environment/bin/python -B route_guide_client.py
+cd $(dirname $0)/../../..
+
+# needed to correctly locate testca
+cd src/csharp/Grpc.IntegrationTesting.QpsWorker/bin/Release
+
+mono Grpc.IntegrationTesting.QpsWorker.exe $@
diff --git a/tools/run_tests/performance/run_worker_node.sh b/tools/run_tests/performance/run_worker_node.sh
new file mode 100755
index 0000000000..46b6ff0177
--- /dev/null
+++ b/tools/run_tests/performance/run_worker_node.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+source ~/.nvm/nvm.sh
+nvm use 0.12
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+node src/node/performance/worker.js $@
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
new file mode 100644
index 0000000000..bd10b6f032
--- /dev/null
+++ b/tools/run_tests/performance/scenario_config.py
@@ -0,0 +1,436 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# performance scenario configuration for various languages
+
+SINGLE_MACHINE_CORES=8
+WARMUP_SECONDS=5
+BENCHMARK_SECONDS=30
+
+HISTOGRAM_PARAMS = {
+  'resolution': 0.01,
+  'max_possible': 60e9,
+}
+
+EMPTY_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+EMPTY_PROTO_PAYLOAD = {
+  'simple_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+BIG_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 65536,
+    'resp_size': 65536,
+  }
+}
+
+# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
+# (the value used is 1 otherwise)
+DEEP=100
+
+# wide is the number of client channels in multi-channel tests (1 otherwise)
+WIDE=64
+
+
+class CXXLanguage:
+
+  def __init__(self):
+    self.safename = 'cxx'
+
+  def worker_cmdline(self):
+    return ['bins/opt/qps_worker']
+
+  def worker_port_offset(self):
+    return 0
+
+  def scenarios(self):
+    # TODO(ctiller): add 70% load latency test
+    for secure in [True, False]:
+      if secure:
+        secstr = 'secure'
+        secargs = {'use_test_ca': True,
+                   'server_host_override': 'foo.test.google.fr'}
+      else:
+        secstr = 'insecure'
+        secargs = None
+
+      yield {
+          'name': 'cpp_generic_async_streaming_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_generic_async_streaming_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_generic_async_streaming_qps_one_server_core_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_async_streaming_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_single_channel_throughput_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': BIG_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': BIG_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_async_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+
+  def __str__(self):
+    return 'c++'
+
+
+class CSharpLanguage:
+
+  def __init__(self):
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_csharp.sh']
+
+  def worker_port_offset(self):
+    return 100
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    secargs = None
+    yield {
+        'name': 'csharp_generic_async_streaming_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'STREAMING',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_GENERIC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_protobuf_async_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_protobuf_sync_to_async_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'SYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_to_cpp_protobuf_sync_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'SYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'SYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS,
+        'SERVER_LANGUAGE': 'c++'  # recognized by run_performance_tests.py
+    }
+
+  def __str__(self):
+    return 'csharp'
+
+
+class NodeLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_node.sh']
+
+  def worker_port_offset(self):
+    return 200
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    secargs = None
+    yield {
+        'name': 'node_protobuf_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+
+  def __str__(self):
+    return 'node'
+
+
+LANGUAGES = {
+    'c++' : CXXLanguage(),
+    'csharp' : CSharpLanguage(),
+    'node' : NodeLanguage(),
+}
diff --git a/tools/run_tests/performance/scenario_result_schema.json b/tools/run_tests/performance/scenario_result_schema.json
new file mode 100644
index 0000000000..0325414757
--- /dev/null
+++ b/tools/run_tests/performance/scenario_result_schema.json
@@ -0,0 +1,202 @@
+[
+  {
+    "name": "metadata",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "buildNumber",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "buildUrl",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "jobName",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "gitCommit",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "gitActualCommit",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "created",
+        "type": "TIMESTAMP",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "scenario",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "name",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientConfig",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "numClients",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverConfig",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "numServers",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "warmupSeconds",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "benchmarkSeconds",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "latencies",
+    "type": "STRING",
+    "mode": "NULLABLE"
+  },
+  {
+    "name": "clientStats",
+    "type": "RECORD",
+    "mode": "REPEATED",
+    "fields": [
+      {
+        "name": "latencies",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeElapsed",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeUser",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeSystem",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "serverStats",
+    "type": "RECORD",
+    "mode": "REPEATED",
+    "fields": [
+      {
+        "name": "timeElapsed",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeUser",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeSystem",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "serverCores",
+    "type": "STRING",
+    "mode": "NULLABLE"
+  },
+  {
+    "name": "summary",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "qps",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "qpsPerServerCore",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverSystemTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverUserTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientSystemTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientUserTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency50",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency90",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency95",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency99",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency999",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  }
+]
diff --git a/tools/run_tests/post_tests_csharp.bat b/tools/run_tests/post_tests_csharp.bat
new file mode 100644
index 0000000000..7851b9137a
--- /dev/null
+++ b/tools/run_tests/post_tests_csharp.bat
@@ -0,0 +1,25 @@
+@rem Runs C# tests for given assembly from command line. The Grpc.sln solution needs to be built before running the tests.
+
+setlocal
+
+if not "%CONFIG%" == "gcov" (
+  goto :EOF
+)
+
+@rem enter src/csharp directory
+cd /d %~dp0\..\..\src\csharp
+
+@rem Generate code coverage report
+@rem TODO(jtattermusch): currently the report list is hardcoded
+packages\ReportGenerator.2.4.4.0\tools\ReportGenerator.exe -reports:"coverage_csharp_*.xml" -targetdir:"..\..\reports\csharp_coverage" -reporttypes:"Html;TextSummary" || goto :error
+
+@rem Generate the index.html file
+echo ^<html^>^<head^>^</head^>^<body^>^<a href='csharp_coverage/index.htm'^>csharp coverage^</a^>^<br/^>^</body^>^</html^> >..\..\reports\index.html
+
+endlocal
+
+goto :EOF
+
+:error
+echo Failed!
+exit /b %errorlevel%
diff --git a/tools/run_tests/post_tests_csharp.sh b/tools/run_tests/post_tests_csharp.sh
new file mode 100755
index 0000000000..bb6f5c6e18
--- /dev/null
+++ b/tools/run_tests/post_tests_csharp.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+if [ "$CONFIG" != "gcov" ] ; then exit ; fi
+
+# change to gRPC repo root
+cd $(dirname $0)/../..
+
+# Generate the csharp extension coverage report
+gcov objs/gcov/src/csharp/ext/*.o
+lcov --base-directory . --directory . -c -o coverage.info
+lcov -e coverage.info '**/src/csharp/ext/*' -o coverage.info
+genhtml -o reports/csharp_ext_coverage --num-spaces 2 \
+  -t 'gRPC C# native extension test coverage' coverage.info \
+  --rc genhtml_hi_limit=95 --rc genhtml_med_limit=80 --no-prefix
diff --git a/tools/run_tests/post_tests_php.sh b/tools/run_tests/post_tests_php.sh
index 01a44d03dc..b4098066ea 100755
--- a/tools/run_tests/post_tests_php.sh
+++ b/tools/run_tests/post_tests_php.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/post_tests_ruby.sh b/tools/run_tests/post_tests_ruby.sh
index 1a02e566c7..0877e44805 100755
--- a/tools/run_tests/post_tests_ruby.sh
+++ b/tools/run_tests/post_tests_ruby.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/pre_build_csharp.sh b/tools/run_tests/pre_build_csharp.sh
index 32466c2177..3ff1a4e5a8 100755
--- a/tools/run_tests/pre_build_csharp.sh
+++ b/tools/run_tests/pre_build_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/pre_build_node.bat b/tools/run_tests/pre_build_node.bat
index 6e7cbe5d42..a29456f9ed 100644
--- a/tools/run_tests/pre_build_node.bat
+++ b/tools/run_tests/pre_build_node.bat
@@ -27,13 +27,8 @@
 @rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 @rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-@rem Expire cache after 1 week
-npm update --cache-min 604800
+set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
 
-npm install node-gyp-install
-.\node_modules\.bin\node-gyp-install.cmd
+@rem Expire cache after 1 week
+call npm update --cache-min 604800
 
-@rem delete the redundant openssl headers
-for /f "delims=v" %%v in ('node --version') do (
-  rmdir "%HOMEDRIVE%%HOMEPATH%\.node-gyp\%%v\include\node\openssl" /S /Q
-)
\ No newline at end of file
diff --git a/tools/run_tests/pre_build_node.sh b/tools/run_tests/pre_build_node.sh
index 11f46d60fc..4879e7ad9b 100755
--- a/tools/run_tests/pre_build_node.sh
+++ b/tools/run_tests/pre_build_node.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 export GRPC_CONFIG=${CONFIG:-opt}
 
diff --git a/tools/run_tests/report_utils.py b/tools/run_tests/report_utils.py
index 0032a98523..35dcaca3d3 100644
--- a/tools/run_tests/report_utils.py
+++ b/tools/run_tests/report_utils.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,7 @@ def _filter_msg(msg, output_format):
     # that make XML report unparseable.
     filtered_msg = filter(
         lambda x: x in string.printable and x != '\f' and x != '\v',
-        msg.decode(errors='ignore'))
+        msg.decode('UTF-8', 'ignore'))
     if output_format == 'HTML':
       filtered_msg = filtered_msg.replace('"', '&quot;')
     return filtered_msg
diff --git a/tools/run_tests/run_csharp.bat b/tools/run_tests/run_csharp.bat
deleted file mode 100644
index 82eb58518c..0000000000
--- a/tools/run_tests/run_csharp.bat
+++ /dev/null
@@ -1,27 +0,0 @@
-@rem Runs C# tests for given assembly from command line. The Grpc.sln solution needs to be built before running the tests.
-
-setlocal
-
-@rem enter src/csharp directory
-cd /d %~dp0\..\..\src\csharp
-
-if not "%CONFIG%" == "gcov" (
-  packages\NUnit.Runners.2.6.4\tools\nunit-console-x86.exe %* || goto :error
-) else (
-  @rem Run all tests with code coverage
-
-  packages\OpenCover.4.6.166\tools\OpenCover.Console.exe -target:"packages\NUnit.Runners.2.6.4\tools\nunit-console-x86.exe" -targetdir:"." -targetargs:"%*" -filter:"+[Grpc.Core]*"  -register:user -output:coverage_results.xml || goto :error
-
-  packages\ReportGenerator.2.3.2.0\tools\ReportGenerator.exe -reports:"coverage_results.xml" -targetdir:"..\..\reports\csharp_coverage" -reporttypes:"Html;TextSummary" || goto :error
-
-  @rem Generate the index.html file
-  echo ^<html^>^<head^>^</head^>^<body^>^<a href='csharp_coverage/index.htm'^>csharp coverage^</a^>^<br/^>^</body^>^</html^> >..\..\reports\index.html
-)
-
-endlocal
-
-goto :EOF
-
-:error
-echo Failed!
-exit /b %errorlevel%
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 76be932aef..28b91f8b62 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -60,6 +60,8 @@ _SKIP_COMPRESSION = ['large_compressed_unary',
 _SKIP_ADVANCED = ['custom_metadata', 'status_code_and_message',
                   'unimplemented_method']
 
+_TEST_TIMEOUT = 3*60
+
 class CXXLanguage:
 
   def __init__(self):
@@ -422,7 +424,7 @@ def _job_kill_handler(job):
     time.sleep(2)
 
 
-def cloud_to_prod_jobspec(language, test_case, server_host_name, 
+def cloud_to_prod_jobspec(language, test_case, server_host_name,
                           server_host_detail, docker_image=None, auth=False):
   """Creates jobspec for cloud-to-prod interop test"""
   container_name = None
@@ -441,7 +443,7 @@ def cloud_to_prod_jobspec(language, test_case, server_host_name,
   cwd = language.client_cwd
 
   if docker_image:
-    container_name = dockerjob.random_name('interop_client_%s' % 
+    container_name = dockerjob.random_name('interop_client_%s' %
                                            language.safename)
     cmdline = docker_run_cmdline(cmdline,
                                  image=docker_image,
@@ -457,9 +459,9 @@ def cloud_to_prod_jobspec(language, test_case, server_host_name,
           cmdline=cmdline,
           cwd=cwd,
           environ=environ,
-          shortname='%s:%s:%s:%s' % (suite_name, server_host_name, language, 
+          shortname='%s:%s:%s:%s' % (suite_name, server_host_name, language,
                                      test_case),
-          timeout_seconds=90,
+          timeout_seconds=_TEST_TIMEOUT,
           flake_retries=5 if args.allow_flakes else 0,
           timeout_retries=2 if args.allow_flakes else 0,
           kill_handler=_job_kill_handler)
@@ -495,7 +497,7 @@ def cloud_to_cloud_jobspec(language, test_case, server_name, server_host,
           environ=environ,
           shortname='cloud_to_cloud:%s:%s_server:%s' % (language, server_name,
                                                         test_case),
-          timeout_seconds=90,
+          timeout_seconds=_TEST_TIMEOUT,
           flake_retries=5 if args.allow_flakes else 0,
           timeout_retries=2 if args.allow_flakes else 0,
           kill_handler=_job_kill_handler)
@@ -575,19 +577,23 @@ def aggregate_http2_results(stdout):
     'percent': 1.0 * passed / (passed + failed)
   }
 
-# A dictionary of prod servers to test. 
+# A dictionary of prod servers to test.
 # Format: server_name: (server_host, server_host_override, errors_allowed)
 # TODO(adelez): implement logic for errors_allowed where if the indicated tests
 # fail, they don't impact the overall test result.
 prod_servers = {
-    'default': ('grpc-test.sandbox.googleapis.com', 
+    'default': ('grpc-test.sandbox.googleapis.com',
                 'grpc-test.sandbox.googleapis.com', False),
-    'gateway_v2': ('grpc-test2.sandbox.googleapis.com', 
+    'gateway_v2': ('grpc-test2.sandbox.googleapis.com',
                    'grpc-test2.sandbox.googleapis.com', True),
-    'cloud_gateway': ('216.239.32.255', 'grpc-test.sandbox.googleapis.com', 
+    'cloud_gateway': ('216.239.32.255', 'grpc-test.sandbox.googleapis.com',
                       False),
-    'cloud_gateway_v2': ('216.239.32.255', 'grpc-test2.sandbox.googleapis.com', 
-                         True)
+    'cloud_gateway_v2': ('216.239.32.255', 'grpc-test2.sandbox.googleapis.com',
+                         True),
+    'gateway_v4': ('grpc-test4.sandbox.googleapis.com', 
+                   'grpc-test4.sandbox.googleapis.com', True), 
+    'cloud_gateway_v4': ('216.239.32.255', 'grpc-test4.sandbox.googleapis.com',
+                         True),
 }
 
 argp = argparse.ArgumentParser(description='Run interop tests.')
@@ -720,7 +726,7 @@ try:
           if not test_case in language.unimplemented_test_cases():
             if not test_case in _SKIP_ADVANCED + _SKIP_COMPRESSION:
               test_job = cloud_to_prod_jobspec(
-                  language, test_case, server_host_name, 
+                  language, test_case, server_host_name,
                   prod_servers[server_host_name],
                   docker_image=docker_images.get(str(language)))
               jobs.append(test_job)
@@ -728,7 +734,7 @@ try:
       if args.http2_interop:
         for test_case in _HTTP2_TEST_CASES:
           test_job = cloud_to_prod_jobspec(
-              http2Interop, test_case, server_host_name, 
+              http2Interop, test_case, server_host_name,
               prod_servers[server_host_name],
               docker_image=docker_images.get(str(http2Interop)))
           jobs.append(test_job)
@@ -739,7 +745,7 @@ try:
         for test_case in _AUTH_TEST_CASES:
           if not test_case in language.unimplemented_test_cases():
             test_job = cloud_to_prod_jobspec(
-                language, test_case, server_host_name, 
+                language, test_case, server_host_name,
                 prod_servers[server_host_name],
                 docker_image=docker_images.get(str(language)), auth=True)
             jobs.append(test_job)
@@ -802,7 +808,7 @@ try:
   report_utils.render_interop_html_report(
       set([str(l) for l in languages]), servers, _TEST_CASES, _AUTH_TEST_CASES,
       _HTTP2_TEST_CASES, resultset, num_failures,
-      args.cloud_to_prod_auth or args.cloud_to_prod, args.prod_servers, 
+      args.cloud_to_prod_auth or args.cloud_to_prod, args.prod_servers,
       args.http2_interop)
 
 finally:
diff --git a/tools/run_tests/run_node.bat b/tools/run_tests/run_node.bat
index f5cf01f095..0987fbee55 100644
--- a/tools/run_tests/run_node.bat
+++ b/tools/run_tests/run_node.bat
@@ -27,6 +27,7 @@
 @rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 @rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-set JUNIT_REPORT_PATH=src\node\reports.xml
+set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
+set JUNIT_REPORT_PATH=src\node\report.xml
 set JUNIT_REPORT_STACK=1
-.\node_modules\.bin\mocha.cmd --reporter mocha-jenkins-reporter src\node\test
\ No newline at end of file
+.\node_modules\.bin\mocha.cmd --reporter mocha-jenkins-reporter --timeout 8000 src\node\test
\ No newline at end of file
diff --git a/tools/run_tests/run_node.sh b/tools/run_tests/run_node.sh
index 40f61d77cc..44f75645f5 100755
--- a/tools/run_tests/run_node.sh
+++ b/tools/run_tests/run_node.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,9 +30,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}
 
@@ -41,10 +41,14 @@ cd $(dirname $0)/../..
 
 root=`pwd`
 
+test_directory='src/node/test'
+timeout=8000
+
 if [ "$CONFIG" = "gcov" ]
 then
   ./node_modules/.bin/istanbul cover --dir reports/node_coverage \
-    -x **/interop/* ./node_modules/.bin/_mocha -- --timeout 8000 src/node/test
+    -x **/interop/* ./node_modules/.bin/_mocha -- --timeout $timeout $test_directory
+  cp -r reports/node_coverage/lcov-report/* reports/node_coverage/
   cd build
   gcov Release/obj.target/grpc/ext/*.o
   lcov --base-directory . --directory . -c -o coverage.info
@@ -52,8 +56,8 @@ then
   genhtml -o ../reports/node_ext_coverage --num-spaces 2 \
     -t 'Node gRPC test coverage' coverage.info --rc genhtml_hi_limit=95 \
     --rc genhtml_med_limit=80 --no-prefix
-  echo '<html><head><meta http-equiv="refresh" content="0;URL=lcov-report/index.html"></head></html>' > \
-    ../reports/node_coverage/index.html
 else
-  JUNIT_REPORT_PATH=src/node/reports.xml JUNIT_REPORT_STACK=1 ./node_modules/.bin/mocha --reporter mocha-jenkins-reporter src/node/test
+  JUNIT_REPORT_PATH=src/node/report.xml JUNIT_REPORT_STACK=1 \
+    ./node_modules/.bin/mocha --timeout $timeout \
+    --reporter mocha-jenkins-reporter $test_directory
 fi
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
new file mode 100755
index 0000000000..beedd819ad
--- /dev/null
+++ b/tools/run_tests/run_performance_tests.py
@@ -0,0 +1,360 @@
+#!/usr/bin/env python2.7
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Run performance tests locally or remotely."""
+
+import argparse
+import itertools
+import jobset
+import json
+import multiprocessing
+import os
+import pipes
+import re
+import subprocess
+import sys
+import tempfile
+import time
+import traceback
+import uuid
+import performance.scenario_config as scenario_config
+
+
+_ROOT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+os.chdir(_ROOT)
+
+
+_REMOTE_HOST_USERNAME = 'jenkins'
+
+
+class QpsWorkerJob:
+  """Encapsulates a qps worker server job."""
+
+  def __init__(self, spec, language, host_and_port):
+    self._spec = spec
+    self.language = language
+    self.host_and_port = host_and_port
+    self._job = jobset.Job(spec, bin_hash=None, newline_on_success=True, travis=True, add_env={})
+
+  def is_running(self):
+    """Polls a job and returns True if given job is still running."""
+    return self._job.state(jobset.NoCache()) == jobset._RUNNING
+
+  def kill(self):
+    return self._job.kill()
+
+
+def create_qpsworker_job(language, shortname=None,
+                         port=10000, remote_host=None):
+  # TODO: support more languages
+  cmdline = language.worker_cmdline() + ['--driver_port=%s' % port]
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmdline = ['ssh',
+               str(user_at_host),
+               'cd ~/performance_workspace/grpc/ && %s' % ' '.join(cmdline)]
+    host_and_port='%s:%s' % (remote_host, port)
+  else:
+    host_and_port='localhost:%s' % port
+
+  # TODO(jtattermusch): with some care, we can calculate the right timeout
+  # of a worker from the sum of warmup + benchmark times for all the scenarios
+  jobspec = jobset.JobSpec(
+      cmdline=cmdline,
+      shortname=shortname,
+      timeout_seconds=15*60)
+  return QpsWorkerJob(jobspec, language, host_and_port)
+
+
+def create_scenario_jobspec(scenario_json, workers, remote_host=None,
+                            bq_result_table=None):
+  """Runs one scenario using QPS driver."""
+  # setting QPS_WORKERS env variable here makes sure it works with SSH too.
+  cmd = 'QPS_WORKERS="%s" ' % ','.join(workers)
+  if bq_result_table:
+    cmd += 'BQ_RESULT_TABLE="%s" ' % bq_result_table
+  cmd += 'tools/run_tests/performance/run_qps_driver.sh '
+  cmd += '--scenarios_json=%s ' % pipes.quote(json.dumps({'scenarios': [scenario_json]}))
+  cmd += '--scenario_result_file=scenario_result.json'
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && "%s' % (user_at_host, pipes.quote(cmd))
+
+  return jobset.JobSpec(
+      cmdline=[cmd],
+      shortname='qps_json_driver.%s' % scenario_json['name'],
+      timeout_seconds=3*60,
+      shell=True,
+      verbose_success=True)
+
+
+def create_quit_jobspec(workers, remote_host=None):
+  """Runs quit using QPS driver."""
+  # setting QPS_WORKERS env variable here makes sure it works with SSH too.
+  cmd = 'QPS_WORKERS="%s" bins/opt/qps_driver --quit' % ','.join(workers)
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && "%s' % (user_at_host, pipes.quote(cmd))
+
+  return jobset.JobSpec(
+      cmdline=[cmd],
+      shortname='qps_driver.quit',
+      timeout_seconds=3*60,
+      shell=True,
+      verbose_success=True)
+
+
+def archive_repo():
+  """Archives local version of repo including submodules."""
+  # TODO: also archive grpc-go and grpc-java repos
+  archive_job = jobset.JobSpec(
+      cmdline=['tar', '-cf', '../grpc.tar', '../grpc/'],
+      shortname='archive_repo',
+      timeout_seconds=3*60)
+
+  jobset.message('START', 'Archiving local repository.', do_newline=True)
+  num_failures, _ = jobset.run(
+      [archive_job], newline_on_success=True, maxjobs=1)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Archive with local repository create successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Failed to archive local repository.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def prepare_remote_hosts(hosts):
+  """Prepares remote hosts."""
+  prepare_jobs = []
+  for host in hosts:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)
+    prepare_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/remote_host_prepare.sh'],
+            shortname='remote_host_prepare.%s' % host,
+            environ = {'USER_AT_HOST': user_at_host},
+            timeout_seconds=5*60))
+  jobset.message('START', 'Preparing remote hosts.', do_newline=True)
+  num_failures, _ = jobset.run(
+      prepare_jobs, newline_on_success=True, maxjobs=10)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Remote hosts ready to start build.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Failed to prepare remote hosts.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def build_on_remote_hosts(hosts, languages=scenario_config.LANGUAGES.keys(), build_local=False):
+  """Builds performance worker on remote hosts (and maybe also locally)."""
+  build_timeout = 15*60
+  build_jobs = []
+  for host in hosts:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)
+    build_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/remote_host_build.sh'] + languages,
+            shortname='remote_host_build.%s' % host,
+            environ = {'USER_AT_HOST': user_at_host, 'CONFIG': 'opt'},
+            timeout_seconds=build_timeout))
+  if build_local:
+    # Build locally as well
+    build_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/build_performance.sh'] + languages,
+            shortname='local_build',
+            environ = {'CONFIG': 'opt'},
+            timeout_seconds=build_timeout))
+  jobset.message('START', 'Building.', do_newline=True)
+  num_failures, _ = jobset.run(
+      build_jobs, newline_on_success=True, maxjobs=10)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Built successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Build failed.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def start_qpsworkers(languages, worker_hosts):
+  """Starts QPS workers as background jobs."""
+  if not worker_hosts:
+    # run two workers locally (for each language)
+    workers=[(None, 10000), (None, 10010)]
+  elif len(worker_hosts) == 1:
+    # run two workers on the remote host (for each language)
+    workers=[(worker_hosts[0], 10000), (worker_hosts[0], 10010)]
+  else:
+    # run one worker per each remote host (for each language)
+    workers=[(worker_host, 10000) for worker_host in worker_hosts]
+
+  return [create_qpsworker_job(language,
+                               shortname= 'qps_worker_%s_%s' % (language,
+                                                                worker_idx),
+                               port=worker[1] + language.worker_port_offset(),
+                               remote_host=worker[0])
+          for language in languages
+          for worker_idx, worker in enumerate(workers)]
+
+
+def create_scenarios(languages, workers_by_lang, remote_host=None, regex='.*',
+                     bq_result_table=None):
+  """Create jobspecs for scenarios to run."""
+  scenarios = []
+  for language in languages:
+    for scenario_json in language.scenarios():
+      if re.search(args.regex, scenario_json['name']):
+        workers = workers_by_lang[str(language)]
+        # 'SERVER_LANGUAGE' is an indicator for this script to pick
+        # a server in different language. It doesn't belong to the Scenario
+        # schema, so we also need to remove it.
+        custom_server_lang = scenario_json.pop('SERVER_LANGUAGE', None)
+        if custom_server_lang:
+          if not workers_by_lang.get(custom_server_lang, []):
+            print 'Warning: Skipping scenario %s as' % scenario_json['name']
+            print('SERVER_LANGUAGE is set to %s yet the language has '
+                  'not been selected with -l' % custom_server_lang)
+            continue
+          for idx in range(0, scenario_json['num_servers']):
+            # replace first X workers by workers of a different language
+            workers[idx] = workers_by_lang[custom_server_lang][idx]
+        scenario = create_scenario_jobspec(scenario_json,
+                                           workers,
+                                           remote_host=remote_host,
+                                           bq_result_table=bq_result_table)
+        scenarios.append(scenario)
+
+  # the very last scenario requests shutting down the workers.
+  all_workers = [worker
+                 for workers in workers_by_lang.values()
+                 for worker in workers]
+  scenarios.append(create_quit_jobspec(all_workers, remote_host=remote_host))
+  return scenarios
+
+
+def finish_qps_workers(jobs):
+  """Waits for given jobs to finish and eventually kills them."""
+  retries = 0
+  while any(job.is_running() for job in jobs):
+    for job in qpsworker_jobs:
+      if job.is_running():
+        print 'QPS worker "%s" is still running.' % job.host_and_port
+    if retries > 10:
+      print 'Killing all QPS workers.'
+      for job in jobs:
+        job.kill()
+    retries += 1
+    time.sleep(3)
+  print 'All QPS workers finished.'
+
+
+argp = argparse.ArgumentParser(description='Run performance tests.')
+argp.add_argument('-l', '--language',
+                  choices=['all'] + sorted(scenario_config.LANGUAGES.keys()),
+                  nargs='+',
+                  default=['all'],
+                  help='Languages to benchmark.')
+argp.add_argument('--remote_driver_host',
+                  default=None,
+                  help='Run QPS driver on given host. By default, QPS driver is run locally.')
+argp.add_argument('--remote_worker_host',
+                  nargs='+',
+                  default=[],
+                  help='Worker hosts where to start QPS workers.')
+argp.add_argument('-r', '--regex', default='.*', type=str,
+                  help='Regex to select scenarios to run.')
+argp.add_argument('--bq_result_table', default=None, type=str,
+                  help='Bigquery "dataset.table" to upload results to.')
+
+args = argp.parse_args()
+
+languages = set(scenario_config.LANGUAGES[l]
+                for l in itertools.chain.from_iterable(
+                      scenario_config.LANGUAGES.iterkeys() if x == 'all' else [x]
+                      for x in args.language))
+
+
+# Put together set of remote hosts where to run and build
+remote_hosts = set()
+if args.remote_worker_host:
+  for host in args.remote_worker_host:
+    remote_hosts.add(host)
+if args.remote_driver_host:
+  remote_hosts.add(args.remote_driver_host)
+
+if remote_hosts:
+  archive_repo()
+  prepare_remote_hosts(remote_hosts)
+
+build_local = False
+if not args.remote_driver_host:
+  build_local = True
+build_on_remote_hosts(remote_hosts, languages=[str(l) for l in languages], build_local=build_local)
+
+qpsworker_jobs = start_qpsworkers(languages, args.remote_worker_host)
+
+# TODO(jtattermusch): see https://github.com/grpc/grpc/issues/6174
+time.sleep(5)
+
+# get list of worker addresses for each language.
+worker_addresses = dict([(str(language), []) for language in languages])
+for job in qpsworker_jobs:
+  worker_addresses[str(job.language)].append(job.host_and_port)
+
+try:
+  scenarios = create_scenarios(languages,
+                               workers_by_lang=worker_addresses,
+                               remote_host=args.remote_driver_host,
+                               regex=args.regex,
+                               bq_result_table=args.bq_result_table)
+  if not scenarios:
+    raise Exception('No scenarios to run')
+
+  jobset.message('START', 'Running scenarios.', do_newline=True)
+  num_failures, _ = jobset.run(
+      scenarios, newline_on_success=True, maxjobs=1)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'All scenarios finished successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Some of the scenarios failed.',
+                   do_newline=True)
+    sys.exit(1)
+except:
+  traceback.print_exc()
+finally:
+  finish_qps_workers(qpsworker_jobs)
diff --git a/tools/run_tests/run_python.sh b/tools/run_tests/run_python.sh
index ffe9c12af1..a93ef2576d 100755
--- a/tools/run_tests/run_python.sh
+++ b/tools/run_tests/run_python.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,15 @@ export PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 export CFLAGS="-I$ROOT/include -std=c89"
 export LDFLAGS="-L$ROOT/libs/$CONFIG"
 export GRPC_PYTHON_BUILD_WITH_CYTHON=1
-export GRPC_PYTHON_ENABLE_CYTHON_TRACING=1
+export GRPC_PYTHON_USE_PRECOMPILED_BINARIES=0
 
-tox
+if [ "$CONFIG" = "gcov" ]
+then
+  export GRPC_PYTHON_ENABLE_CYTHON_TRACING=1
+  tox
+else
+  $ROOT/.tox/py27/bin/python $ROOT/setup.py test_lite
+fi
 
 mkdir -p $ROOT/reports
 rm -rf $ROOT/reports/python-coverage
diff --git a/tools/run_tests/run_stress_tests.py b/tools/run_tests/run_stress_tests.py
index d1faf7d964..0ba8f51c58 100755
--- a/tools/run_tests/run_stress_tests.py
+++ b/tools/run_tests/run_stress_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index de3716bc88..9dff686bbf 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -55,8 +55,8 @@ import report_utils
 import watch_dirs
 
 
-ROOT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
-os.chdir(ROOT)
+_ROOT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+os.chdir(_ROOT)
 
 
 _FORCE_ENVIRON_FOR_WRAPPERS = {}
@@ -80,7 +80,7 @@ class Config(object):
     self.timeout_multiplier = timeout_multiplier
 
   def job_spec(self, cmdline, hash_targets, timeout_seconds=5*60,
-               shortname=None, environ={}, cpu_cost=1.0):
+               shortname=None, environ={}, cpu_cost=1.0, flaky=False):
     """Construct a jobset.JobSpec for a test under this config
 
        Args:
@@ -102,7 +102,7 @@ class Config(object):
                           timeout_seconds=(self.timeout_multiplier * timeout_seconds if timeout_seconds else None),
                           hash_targets=hash_targets
                               if self.allow_hashing else None,
-                          flake_retries=5 if args.allow_flakes else 0,
+                          flake_retries=5 if flaky or args.allow_flakes else 0,
                           timeout_retries=3 if args.allow_flakes else 0)
 
 
@@ -118,6 +118,21 @@ def get_c_tests(travis, test_lang) :
                 not (travis and tgt['flaky'])]
 
 
+def _check_compiler(compiler, supported_compilers):
+  if compiler not in supported_compilers:
+    raise Exception('Compiler %s not supported (on this platform).' % compiler)
+
+
+def _check_arch(arch, supported_archs):
+  if arch not in supported_archs:
+    raise Exception('Architecture %s not supported.' % arch)
+
+
+def _is_use_docker_child():
+  """Returns True if running running as a --use_docker child."""
+  return True if os.getenv('RUN_TESTS_COMMAND') else False
+
+
 class CLanguage(object):
 
   def __init__(self, make_target, test_lang):
@@ -125,44 +140,81 @@ class CLanguage(object):
     self.platform = platform_string()
     self.test_lang = test_lang
 
-  def test_specs(self, config, args):
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    if self.platform == 'windows':
+      self._make_options = [_windows_toolset_option(self.args.compiler),
+                            _windows_arch_option(self.args.arch)]
+    else:
+      self._docker_distro, self._make_options = self._compiler_options(self.args.use_docker,
+                                                                       self.args.compiler)
+
+  def test_specs(self):
     out = []
-    binaries = get_c_tests(args.travis, self.test_lang)
+    binaries = get_c_tests(self.args.travis, self.test_lang)
     for target in binaries:
-      if config.build_config in target['exclude_configs']:
+      if self.config.build_config in target['exclude_configs']:
         continue
       if self.platform == 'windows':
         binary = 'vsprojects/%s%s/%s.exe' % (
-            'x64/' if args.arch == 'x64' else '',
-            _WINDOWS_CONFIG[config.build_config],
+            'x64/' if self.args.arch == 'x64' else '',
+            _MSBUILD_CONFIG[self.config.build_config],
             target['name'])
       else:
-        binary = 'bins/%s/%s' % (config.build_config, target['name'])
+        binary = 'bins/%s/%s' % (self.config.build_config, target['name'])
       if os.path.isfile(binary):
-        cmdline = [binary] + target['args']
-        out.append(config.job_spec(cmdline, [binary],
-                                   shortname=' '.join(cmdline),
-                                   cpu_cost=target['cpu_cost'],
-                                   environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
-                                            os.path.abspath(os.path.dirname(
-                                                sys.argv[0]) + '/../../src/core/tsi/test_creds/ca.pem')}))
-      elif args.regex == '.*' or platform_string() == 'windows':
+        if 'gtest' in target and target['gtest']:
+          # here we parse the output of --gtest_list_tests to build up a
+          # complete list of the tests contained in a binary
+          # for each test, we then add a job to run, filtering for just that
+          # test
+          with open(os.devnull, 'w') as fnull:
+            tests = subprocess.check_output([binary, '--gtest_list_tests'],
+                                            stderr=fnull)
+          base = None
+          for line in tests.split('\n'):
+            i = line.find('#')
+            if i >= 0: line = line[:i]
+            if not line: continue
+            if line[0] != ' ':
+              base = line.strip()
+            else:
+              assert base is not None
+              assert line[1] == ' '
+              test = base + line.strip()
+              cmdline = [binary] + ['--gtest_filter=%s' % test]
+              out.append(self.config.job_spec(cmdline, [binary],
+                                              shortname='%s:%s' % (binary, test),
+                                              cpu_cost=target['cpu_cost'],
+                                              environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
+                                                       _ROOT + '/src/core/lib/tsi/test_creds/ca.pem'}))
+        else:
+          cmdline = [binary] + target['args']
+          out.append(self.config.job_spec(cmdline, [binary],
+                                          shortname=target.get('shortname', ' '.join(cmdline)),
+                                          cpu_cost=target['cpu_cost'],
+                                          flaky=target.get('flaky', False),
+                                          environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
+                                                   _ROOT + '/src/core/lib/tsi/test_creds/ca.pem'}))
+      elif self.args.regex == '.*' or self.platform == 'windows':
         print '\nWARNING: binary not found, skipping', binary
     return sorted(out)
 
-  def make_targets(self, test_regex):
-    if platform_string() != 'windows' and test_regex != '.*':
+  def make_targets(self):
+    test_regex = self.args.regex
+    if self.platform != 'windows' and self.args.regex != '.*':
       # use the regex to minimize the number of things to build
       return [os.path.basename(target['name'])
               for target in get_c_tests(False, self.test_lang)
               if re.search(test_regex, '/' + target['name'])]
-    if platform_string() == 'windows':
+    if self.platform == 'windows':
       # don't build tools on windows just yet
       return ['buildtests_%s' % self.make_target]
     return ['buildtests_%s' % self.make_target, 'tools_%s' % self.make_target]
 
   def make_options(self):
-    return []
+    return self._make_options;
 
   def pre_build_steps(self):
     if self.platform == 'windows':
@@ -182,11 +234,35 @@ class CLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return True
+  def _clang_make_options(self):
+    return ['CC=clang', 'CXX=clang++', 'LD=clang', 'LDXX=clang++']
+
+  def _gcc44_make_options(self):
+    return ['CC=gcc-4.4', 'CXX=g++-4.4', 'LD=gcc-4.4', 'LDXX=g++-4.4']
+
+  def _compiler_options(self, use_docker, compiler):
+    """Returns docker distro and make options to use for given compiler."""
+    if _is_use_docker_child():
+      return ("already_under_docker", [])
+    if not use_docker:
+      _check_compiler(compiler, ['default'])
+
+    if compiler == 'gcc4.9' or compiler == 'default':
+      return ('jessie', [])
+    elif compiler == 'gcc4.4':
+      return ('wheezy', self._gcc44_make_options())
+    elif compiler == 'gcc5.3':
+      return ('ubuntu1604', [])
+    elif compiler == 'clang3.4':
+      return ('ubuntu1404', self._clang_make_options())
+    elif compiler == 'clang3.6':
+      return ('ubuntu1604', self._clang_make_options())
+    else:
+      raise Exception('Compiler %s not supported.' % compiler)
 
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/cxx_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/cxx_%s_%s' % (self._docker_distro,
+                                                _docker_arch_suffix(self.args.arch))
 
   def __str__(self):
     return self.make_target
@@ -198,13 +274,18 @@ class NodeLanguage(object):
     self.platform = platform_string()
     self.node_version = '0.12'
 
-  def test_specs(self, config, args):
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
     if self.platform == 'windows':
-      return [config.job_spec(['tools\\run_tests\\run_node.bat'], None)]
+      return [self.config.job_spec(['tools\\run_tests\\run_node.bat'], None)]
     else:
-      return [config.job_spec(['tools/run_tests/run_node.sh', self.node_version],
-                              None,
-                              environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+      return [self.config.job_spec(['tools/run_tests/run_node.sh', self.node_version],
+                                   None,
+                                   environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     if self.platform == 'windows':
@@ -212,7 +293,7 @@ class NodeLanguage(object):
     else:
       return [['tools/run_tests/pre_build_node.sh', self.node_version]]
 
-  def make_targets(self, test_regex):
+  def make_targets(self):
     return []
 
   def make_options(self):
@@ -230,11 +311,8 @@ class NodeLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/node_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/node_jessie_%s' % _docker_arch_suffix(self.args.arch)
 
   def __str__(self):
     return 'node'
@@ -242,14 +320,19 @@ class NodeLanguage(object):
 
 class PhpLanguage(object):
 
-  def test_specs(self, config, args):
-    return [config.job_spec(['src/php/bin/run_tests.sh'], None,
-                            environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
+    return [self.config.job_spec(['src/php/bin/run_tests.sh'], None,
+                                  environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self, test_regex):
+  def make_targets(self):
     return ['static_c', 'shared_c']
 
   def make_options(self):
@@ -264,11 +347,8 @@ class PhpLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/php_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/php_jessie_%s' % _docker_arch_suffix(self.args.arch)
 
   def __str__(self):
     return 'php'
@@ -280,21 +360,38 @@ class PythonLanguage(object):
     self._build_python_versions = ['2.7']
     self._has_python_versions = []
 
-  def test_specs(self, config, args):
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
+    # load list of known test suites
+    with open('src/python/grpcio/tests/tests.json') as tests_json_file:
+      tests_json = json.load(tests_json_file)
     environment = dict(_FORCE_ENVIRON_FOR_WRAPPERS)
     environment['PYVER'] = '2.7'
-    return [config.job_spec(
-        ['tools/run_tests/run_python.sh'],
-        None,
-        environ=environment,
-        shortname='py.test',
-        timeout_seconds=15*60
-    )]
+    if self.config.build_config != 'gcov':
+      return [self.config.job_spec(
+          ['tools/run_tests/run_python.sh'],
+          None,
+          environ=dict(environment.items() +
+                       [('GRPC_PYTHON_TESTRUNNER_FILTER', suite_name)]),
+          shortname='py.test.%s' % suite_name,
+          timeout_seconds=5*60)
+          for suite_name in tests_json]
+    else:
+      return [self.config.job_spec(['tools/run_tests/run_python.sh'],
+                                   None,
+                                   environ=environment,
+                                   shortname='py.test.coverage',
+                                   timeout_seconds=15*60)]
+
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self, test_regex):
+  def make_targets(self):
     return ['static_c', 'grpc_python_plugin', 'shared_c']
 
   def make_options(self):
@@ -320,11 +417,8 @@ class PythonLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/python_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/python_jessie_%s' % _docker_arch_suffix(self.args.arch)
 
   def __str__(self):
     return 'python'
@@ -332,15 +426,21 @@ class PythonLanguage(object):
 
 class RubyLanguage(object):
 
-  def test_specs(self, config, args):
-    return [config.job_spec(['tools/run_tests/run_ruby.sh'], None,
-                            environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
+    return [self.config.job_spec(['tools/run_tests/run_ruby.sh'], None,
+                                 timeout_seconds=10*60,
+                                 environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return [['tools/run_tests/pre_build_ruby.sh']]
 
-  def make_targets(self, test_regex):
-    return ['static_c']
+  def make_targets(self):
+    return []
 
   def make_options(self):
     return []
@@ -354,57 +454,80 @@ class RubyLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/ruby_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/ruby_jessie_%s' % _docker_arch_suffix(self.args.arch)
 
   def __str__(self):
     return 'ruby'
 
 
 class CSharpLanguage(object):
+
   def __init__(self):
     self.platform = platform_string()
 
-  def test_specs(self, config, args):
-    with open('src/csharp/tests.json') as f:
-      tests_json = json.load(f)
-    assemblies = tests_json['assemblies']
-    tests = tests_json['tests']
-
-    msbuild_config = _WINDOWS_CONFIG[config.build_config]
-    assembly_files = ['%s/bin/%s/%s.dll' % (a, msbuild_config, a)
-                      for a in assemblies]
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    if self.platform == 'windows':
+      # Explicitly choosing between x86 and x64 arch doesn't work yet
+      _check_arch(self.args.arch, ['default'])
+      self._make_options = [_windows_toolset_option(self.args.compiler),
+                            _windows_arch_option(self.args.arch)]
+    else:
+      _check_compiler(self.args.compiler, ['default'])
+      if self.platform == 'mac':
+        # On Mac, official distribution of mono is 32bit.
+        # TODO(jtattermusch): EMBED_ZLIB=true currently breaks the mac build
+        self._make_options = ['EMBED_OPENSSL=true',
+                              'CFLAGS=-m32', 'LDFLAGS=-m32']
+      else:
+        self._make_options = ['EMBED_OPENSSL=true', 'EMBED_ZLIB=true']
 
-    extra_args = ['-labels'] + assembly_files
+  def test_specs(self):
+    with open('src/csharp/tests.json') as f:
+      tests_by_assembly = json.load(f)
 
+    msbuild_config = _MSBUILD_CONFIG[self.config.build_config]
+    nunit_args = ['--labels=All',
+                  '--noresult',
+                  '--workers=1']
     if self.platform == 'windows':
-      script_name = 'tools\\run_tests\\run_csharp.bat'
-      extra_args += ['-domain=None']
+      runtime_cmd = []
     else:
-      script_name = 'tools/run_tests/run_csharp.sh'
-
-    if config.build_config == 'gcov':
-      # On Windows, we only collect C# code coverage.
-      # On Linux, we only collect coverage for native extension.
-      # For code coverage all tests need to run as one suite.
-      return [config.job_spec([script_name] + extra_args, None,
-                              shortname='csharp.coverage',
-                              environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
-    else:
-      specs = []
-      for test in tests:
-        cmdline = [script_name, '-run=%s' % test] + extra_args
-        if self.platform == 'windows':
-          # use different output directory for each test to prevent
-          # TestResult.xml clash between parallel test runs.
-          cmdline += ['-work=test-result/%s' % uuid.uuid4()]
-        specs.append(config.job_spec(cmdline, None,
-                                     shortname='csharp.%s' % test,
-                                     environ=_FORCE_ENVIRON_FOR_WRAPPERS))
-      return specs
+      runtime_cmd = ['mono']
+
+    specs = []
+    for assembly in tests_by_assembly.iterkeys():
+      assembly_file = 'src/csharp/%s/bin/%s/%s.exe' % (assembly, msbuild_config, assembly)
+      if self.config.build_config != 'gcov' or self.platform != 'windows':
+        # normally, run each test as a separate process
+        for test in tests_by_assembly[assembly]:
+          cmdline = runtime_cmd + [assembly_file, '--test=%s' % test] + nunit_args
+          specs.append(self.config.job_spec(cmdline,
+                                            None,
+                                            shortname='csharp.%s' % test,
+                                            environ=_FORCE_ENVIRON_FOR_WRAPPERS))
+      else:
+        # For C# test coverage, run all tests from the same assembly at once
+        # using OpenCover.Console (only works on Windows).
+        cmdline = ['src\\csharp\\packages\\OpenCover.4.6.519\\tools\\OpenCover.Console.exe',
+                   '-target:%s' % assembly_file,
+                   '-targetdir:src\\csharp',
+                   '-targetargs:%s' % ' '.join(nunit_args),
+                   '-filter:+[Grpc.Core]*',
+                   '-register:user',
+                   '-output:src\\csharp\\coverage_csharp_%s.xml' % assembly]
+
+        # set really high cpu_cost to make sure instances of OpenCover.Console run exclusively
+        # to prevent problems with registering the profiler.
+        run_exclusive = 1000000
+        specs.append(self.config.job_spec(cmdline,
+                                          None,
+                                          shortname='csharp.coverage.%s' % assembly,
+                                          cpu_cost=run_exclusive,
+                                          environ=_FORCE_ENVIRON_FOR_WRAPPERS))
+    return specs
 
   def pre_build_steps(self):
     if self.platform == 'windows':
@@ -412,38 +535,31 @@ class CSharpLanguage(object):
     else:
       return [['tools/run_tests/pre_build_csharp.sh']]
 
-  def make_targets(self, test_regex):
-    # For Windows, this target doesn't really build anything,
-    # everything is build by buildall script later.
-    if self.platform == 'windows':
-      return []
-    else:
-      return ['grpc_csharp_ext']
+  def make_targets(self):
+    return ['grpc_csharp_ext']
 
   def make_options(self):
-    if self.platform == 'mac':
-      # On Mac, official distribution of mono is 32bit.
-      return ['CFLAGS=-arch i386', 'LDFLAGS=-arch i386']
-    else:
-      return []
+    return self._make_options;
 
   def build_steps(self):
     if self.platform == 'windows':
-      return [['src\\csharp\\buildall.bat']]
+      return [[_windows_build_bat(self.args.compiler),
+               'src/csharp/Grpc.sln',
+               '/p:Configuration=%s' % _MSBUILD_CONFIG[self.config.build_config]]]
     else:
       return [['tools/run_tests/build_csharp.sh']]
 
   def post_tests_steps(self):
-    return []
+    if self.platform == 'windows':
+      return [['tools\\run_tests\\post_tests_csharp.bat']]
+    else:
+      return [['tools/run_tests/post_tests_csharp.sh']]
 
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/test/csharp_jessie_%s' % _docker_arch_suffix(arch)
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/csharp_jessie_%s' % _docker_arch_suffix(self.args.arch)
 
   def __str__(self):
     return 'csharp'
@@ -451,14 +567,19 @@ class CSharpLanguage(object):
 
 class ObjCLanguage(object):
 
-  def test_specs(self, config, args):
-    return [config.job_spec(['src/objective-c/tests/run_tests.sh'], None,
-                            environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
+    return [self.config.job_spec(['src/objective-c/tests/run_tests.sh'], None,
+                                  environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self, test_regex):
+  def make_targets(self):
     return ['grpc_objective_c_plugin', 'interop_server']
 
   def make_options(self):
@@ -473,10 +594,7 @@ class ObjCLanguage(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
+  def dockerfile_dir(self):
     return None
 
   def __str__(self):
@@ -485,18 +603,23 @@ class ObjCLanguage(object):
 
 class Sanity(object):
 
-  def test_specs(self, config, args):
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default'])
+
+  def test_specs(self):
     import yaml
     with open('tools/run_tests/sanity/sanity_tests.yaml', 'r') as f:
-      return [config.job_spec(cmd['script'].split(), None,
-                              timeout_seconds=None, environ={'TEST': 'true'},
-                              cpu_cost=cmd.get('cpu_cost', 1))
+      return [self.config.job_spec(cmd['script'].split(), None,
+                                   timeout_seconds=None, environ={'TEST': 'true'},
+                                   cpu_cost=cmd.get('cpu_cost', 1))
               for cmd in yaml.load(f)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self, test_regex):
+  def make_targets(self):
     return ['run_dep_checks']
 
   def make_options(self):
@@ -511,55 +634,18 @@ class Sanity(object):
   def makefile_name(self):
     return 'Makefile'
 
-  def supports_multi_config(self):
-    return False
-
-  def dockerfile_dir(self, config, arch):
+  def dockerfile_dir(self):
     return 'tools/dockerfile/test/sanity'
 
   def __str__(self):
     return 'sanity'
 
 
-class Build(object):
-
-  def test_specs(self, config, args):
-    return []
-
-  def pre_build_steps(self):
-    return []
-
-  def make_targets(self, test_regex):
-    return ['static']
-
-  def make_options(self):
-    return []
-
-  def build_steps(self):
-    return []
-
-  def post_tests_steps(self):
-    return []
-
-  def makefile_name(self):
-    return 'Makefile'
-
-  def supports_multi_config(self):
-    return True
-
-  def dockerfile_dir(self, config, arch):
-    return None
-
-  def __str__(self):
-    return self.make_target
-
-
 # different configurations we can run under
 with open('tools/run_tests/configs.json') as f:
   _CONFIGS = dict((cfg['config'], Config(**cfg)) for cfg in ast.literal_eval(f.read()))
 
 
-_DEFAULT = ['opt']
 _LANGUAGES = {
     'c++': CLanguage('cxx', 'c++'),
     'c': CLanguage('c', 'c'),
@@ -569,11 +655,11 @@ _LANGUAGES = {
     'ruby': RubyLanguage(),
     'csharp': CSharpLanguage(),
     'objc' : ObjCLanguage(),
-    'sanity': Sanity(),
-    'build': Build(),
+    'sanity': Sanity()
     }
 
-_WINDOWS_CONFIG = {
+
+_MSBUILD_CONFIG = {
     'dbg': 'Debug',
     'opt': 'Release',
     'gcov': 'Debug',
@@ -650,14 +736,6 @@ def _docker_arch_suffix(arch):
     sys.exit(1)
 
 
-def _get_dockerfile_dir(language, cfg, arch):
-  """Returns dockerfile to use"""
-  custom = language.dockerfile_dir(cfg, arch)
-  if custom:
-    return custom
-  else:
-    return 'tools/dockerfile/grpc_tests_multilang_%s' % _docker_arch_suffix(arch)
-
 def runs_per_test_type(arg_str):
     """Auxilary function to parse the "runs_per_test" flag.
 
@@ -681,9 +759,8 @@ def runs_per_test_type(arg_str):
 # parse command line
 argp = argparse.ArgumentParser(description='Run grpc tests.')
 argp.add_argument('-c', '--config',
-                  choices=['all'] + sorted(_CONFIGS.keys()),
-                  nargs='+',
-                  default=_DEFAULT)
+                  choices=sorted(_CONFIGS.keys()),
+                  default='opt')
 argp.add_argument('-n', '--runs_per_test', default=1, type=runs_per_test_type,
         help='A positive integer or "inf". If "inf", all tests will run in an '
              'infinite loop. Especially useful in combination with "-f"')
@@ -727,9 +804,12 @@ argp.add_argument('--arch',
                   default='default',
                   help='Selects architecture to target. For some platforms "default" is the only supported choice.')
 argp.add_argument('--compiler',
-                  choices=['default', 'vs2010', 'vs2013', 'vs2015'],
+                  choices=['default',
+                           'gcc4.4', 'gcc4.9', 'gcc5.3',
+                           'clang3.4', 'clang3.6',
+                           'vs2010', 'vs2013', 'vs2015'],
                   default='default',
-                  help='Selects compiler to use. For some platforms "default" is the only supported choice.')
+                  help='Selects compiler to use. Allowed values depend on the platform and language.')
 argp.add_argument('--build_only',
                   default=False,
                   action='store_const',
@@ -775,11 +855,8 @@ if need_to_regenerate_projects:
 
 
 # grab config
-run_configs = set(_CONFIGS[cfg]
-                  for cfg in itertools.chain.from_iterable(
-                      _CONFIGS.iterkeys() if x == 'all' else [x]
-                      for x in args.config))
-build_configs = set(cfg.build_config for cfg in run_configs)
+run_config = _CONFIGS[args.config]
+build_config = run_config.build_config
 
 if args.travis:
   _FORCE_ENVIRON_FOR_WRAPPERS = {'GRPC_TRACE': 'api'}
@@ -790,17 +867,13 @@ else:
   lang_list = args.language
 # We don't support code coverage on some languages
 if 'gcov' in args.config:
-  for bad in ['objc', 'sanity', 'build']:
+  for bad in ['objc', 'sanity']:
     if bad in lang_list:
       lang_list.remove(bad)
 
 languages = set(_LANGUAGES[l] for l in lang_list)
-
-if len(build_configs) > 1:
-  for language in languages:
-    if not language.supports_multi_config():
-      print language, 'does not support multiple build configurations'
-      sys.exit(1)
+for l in languages:
+  l.configure(run_config, args)
 
 language_make_options=[]
 if any(language.make_options() for language in languages):
@@ -810,10 +883,6 @@ if any(language.make_options() for language in languages):
   else:
     language_make_options = next(iter(languages)).make_options()
 
-if len(languages) != 1 or len(build_configs) != 1:
-  print 'Multi-language and multi-config testing is not supported.'
-  sys.exit(1)
-
 if args.use_docker:
   if not args.travis:
     print 'Seen --use_docker flag, will run tests under docker.'
@@ -823,14 +892,25 @@ if args.use_docker:
     print 'copied to the docker environment.'
     time.sleep(5)
 
+  dockerfile_dirs = set([l.dockerfile_dir() for l in languages])
+  if len(dockerfile_dirs) > 1:
+    if 'gcov' in args.config:
+      dockerfile_dir = 'tools/dockerfile/test/multilang_jessie_x64'
+      print ('Using multilang_jessie_x64 docker image for code coverage for '
+             'all languages.')
+    else:
+      print ('Languages to be tested require running under different docker '
+             'images.')
+      sys.exit(1)
+  else:
+    dockerfile_dir = next(iter(dockerfile_dirs))
+
   child_argv = [ arg for arg in sys.argv if not arg == '--use_docker' ]
   run_tests_cmd = 'python tools/run_tests/run_tests.py %s' % ' '.join(child_argv[1:])
 
   env = os.environ.copy()
   env['RUN_TESTS_COMMAND'] = run_tests_cmd
-  env['DOCKERFILE_DIR'] = _get_dockerfile_dir(next(iter(languages)),
-                                              next(iter(build_configs)),
-                                              args.arch)
+  env['DOCKERFILE_DIR'] = dockerfile_dir
   env['DOCKER_RUN_SCRIPT'] = 'tools/jenkins/docker_run_tests.sh'
   if args.xml_report:
     env['XML_REPORT'] = args.xml_report
@@ -842,10 +922,6 @@ if args.use_docker:
                         env=env)
   sys.exit(0)
 
-if platform_string() != 'windows' and args.compiler != 'default':
-    print 'Compiler %s not supported on current platform.' % args.compiler
-    sys.exit(1)
-
 _check_arch_option(args.arch)
 
 def make_jobspec(cfg, targets, makefile='Makefile'):
@@ -860,9 +936,7 @@ def make_jobspec(cfg, targets, makefile='Makefile'):
     return [
       jobset.JobSpec([_windows_build_bat(args.compiler),
                       'vsprojects\\%s.sln' % target,
-                      '/p:Configuration=%s' % _WINDOWS_CONFIG[cfg],
-                      _windows_toolset_option(args.compiler),
-                      _windows_arch_option(args.arch)] +
+                      '/p:Configuration=%s' % _MSBUILD_CONFIG[cfg]] +
                       extra_args +
                       language_make_options,
                       shell=True, timeout_seconds=None)
@@ -885,32 +959,29 @@ make_targets = {}
 for l in languages:
   makefile = l.makefile_name()
   make_targets[makefile] = make_targets.get(makefile, set()).union(
-      set(l.make_targets(args.regex)))
+      set(l.make_targets()))
 
 def build_step_environ(cfg):
   environ = {'CONFIG': cfg}
-  msbuild_cfg = _WINDOWS_CONFIG.get(cfg)
+  msbuild_cfg = _MSBUILD_CONFIG.get(cfg)
   if msbuild_cfg:
     environ['MSBUILD_CONFIG'] = msbuild_cfg
   return environ
 
 build_steps = list(set(
-                   jobset.JobSpec(cmdline, environ=build_step_environ(cfg), flake_retries=5)
-                   for cfg in build_configs
+                   jobset.JobSpec(cmdline, environ=build_step_environ(build_config), flake_retries=5)
                    for l in languages
                    for cmdline in l.pre_build_steps()))
 if make_targets:
-  make_commands = itertools.chain.from_iterable(make_jobspec(cfg, list(targets), makefile) for cfg in build_configs for (makefile, targets) in make_targets.iteritems())
+  make_commands = itertools.chain.from_iterable(make_jobspec(build_config, list(targets), makefile) for (makefile, targets) in make_targets.iteritems())
   build_steps.extend(set(make_commands))
 build_steps.extend(set(
-                   jobset.JobSpec(cmdline, environ=build_step_environ(cfg), timeout_seconds=None)
-                   for cfg in build_configs
+                   jobset.JobSpec(cmdline, environ=build_step_environ(build_config), timeout_seconds=None)
                    for l in languages
                    for cmdline in l.build_steps()))
 
 post_tests_steps = list(set(
-                        jobset.JobSpec(cmdline, environ=build_step_environ(cfg))
-                        for cfg in build_configs
+                        jobset.JobSpec(cmdline, environ=build_step_environ(build_config))
                         for l in languages
                         for cmdline in l.post_tests_steps()))
 runs_per_test = args.runs_per_test
@@ -1023,7 +1094,7 @@ def _start_port_server(port_server_port):
           print 'last ditch attempt to contact port server succeeded'
           break
         except:
-          traceback.print_exc();
+          traceback.print_exc()
           port_log = open(logfile, 'r').read()
           print port_log
           sys.exit(1)
@@ -1043,7 +1114,7 @@ def _start_port_server(port_server_port):
         time.sleep(1)
         waits += 1
       except:
-        traceback.print_exc();
+        traceback.print_exc()
         port_server.kill()
         raise
 
@@ -1101,9 +1172,8 @@ def _build_and_run(
     infinite_runs = runs_per_test == 0
     one_run = set(
       spec
-      for config in run_configs
       for language in languages
-      for spec in language.test_specs(config, args)
+      for spec in language.test_specs()
       if re.search(args.regex, spec.shortname))
     # When running on travis, we want out test runs to be as similar as possible
     # for reproducibility purposes.
@@ -1197,4 +1267,3 @@ else:
   if BuildAndRunError.POST_TEST in errors:
     exit_code |= 4
   sys.exit(exit_code)
-
diff --git a/tools/run_tests/sanity/check_cache_mk.sh b/tools/run_tests/sanity/check_cache_mk.sh
index b738d6a965..d7ae3d0d65 100755
--- a/tools/run_tests/sanity/check_cache_mk.sh
+++ b/tools/run_tests/sanity/check_cache_mk.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/sanity/check_sources_and_headers.py b/tools/run_tests/sanity/check_sources_and_headers.py
index 3974af0032..c028499ca6 100755
--- a/tools/run_tests/sanity/check_sources_and_headers.py
+++ b/tools/run_tests/sanity/check_sources_and_headers.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -55,29 +55,47 @@ def target_has_header(target, name):
   for dep in target['deps']:
     if target_has_header(get_target(dep), name):
       return True
-  if name == 'src/core/profiling/stap_probes.h':
+  if name == 'src/core/lib/profiling/stap_probes.h':
     return True
   return False
 
+def produces_object(name):
+  return os.path.splitext(name)[1] in ['.c', '.cc']
+
+obj_producer_to_source = {'c': {}, 'c++': {}, 'csharp': {}}
+
 errors = 0
 for target in js:
-  for fn in target['src']:
-    with open(os.path.join(root, fn)) as f:
-      src = f.read().splitlines()
-    for line in src:
-      m = re_inc1.match(line)
-      if m:
-        if not target_has_header(target, m.group(1)):
-          print (
-            'target %s (%s) does not name header %s as a dependency' % (
-              target['name'], fn, m.group(1)))
-          errors += 1
-      m = re_inc2.match(line)
-      if m:
-        if not target_has_header(target, 'include/' + m.group(1)):
-          print (
-            'target %s (%s) does not name header %s as a dependency' % (
-              target['name'], fn, m.group(1)))
-          errors += 1
+  if not target['third_party']:
+    for fn in target['src']:
+      with open(os.path.join(root, fn)) as f:
+        src = f.read().splitlines()
+      for line in src:
+        m = re_inc1.match(line)
+        if m:
+          if not target_has_header(target, m.group(1)):
+            print (
+              'target %s (%s) does not name header %s as a dependency' % (
+                target['name'], fn, m.group(1)))
+            errors += 1
+        m = re_inc2.match(line)
+        if m:
+          if not target_has_header(target, 'include/' + m.group(1)):
+            print (
+              'target %s (%s) does not name header %s as a dependency' % (
+                target['name'], fn, m.group(1)))
+            errors += 1
+  if target['type'] == 'lib':
+    for fn in target['src']:
+      language = target['language']
+      if produces_object(fn):
+        obj_base = os.path.splitext(os.path.basename(fn))[0]
+        if obj_base in obj_producer_to_source[language]:
+          if obj_producer_to_source[language][obj_base] != fn:
+            print (
+              'target %s (%s) produces an aliased object file with %s' % (
+                target['name'], fn, obj_producer_to_source[language][obj_base]))
+        else:
+          obj_producer_to_source[language][obj_base] = fn
 
 assert errors == 0
diff --git a/tools/run_tests/sanity/check_submodules.sh b/tools/run_tests/sanity/check_submodules.sh
index f49230e49a..06e66f0929 100755
--- a/tools/run_tests/sanity/check_submodules.sh
+++ b/tools/run_tests/sanity/check_submodules.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -41,9 +41,10 @@ want_submodules=`mktemp /tmp/submXXXXXX`
 
 git submodule | awk '{ print $1 }' | sort > $submodules
 cat << EOF | awk '{ print $1 }' | sort > $want_submodules
- 9f897b25800d2f54f5c442ef01a60721aeca6d87 third_party/boringssl (version_for_cocoapods_1.0-67-g9f897b2)
+ 907ae62b9d81121cb86b604f83e6b811a43f7a87 third_party/boringssl (version_for_cocoapods_1.0-72-g907ae62)
  05b155ff59114735ec8cd089f669c4c3d8f59029 third_party/gflags (v2.1.0-45-g05b155f)
  c99458533a9b4c743ed51537e25989ea55944908 third_party/googletest (release-1.7.0)
+ f8ac463766281625ad710900479130c7fcb4d63b third_party/nanopb (nanopb-0.3.4-29-gf8ac463)
  d5fb408ddc281ffcadeb08699e65bb694656d0bd third_party/protobuf (v3.0.0-beta-2)
  50893291621658f355bc5b4d450a8d06a563053d third_party/zlib (v1.2.8)
 EOF
diff --git a/tools/run_tests/sanity/check_version.py b/tools/run_tests/sanity/check_version.py
new file mode 100755
index 0000000000..41dd5efe38
--- /dev/null
+++ b/tools/run_tests/sanity/check_version.py
@@ -0,0 +1,97 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import sys
+import yaml
+import os
+import re
+import subprocess
+
+errors = 0
+
+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
+
+# hack import paths to pick up extra code
+sys.path.insert(0, os.path.abspath('tools/buildgen/plugins'))
+from expand_version import Version
+
+try:
+  branch_name = subprocess.check_output(
+    'git rev-parse --abbrev-ref HEAD',
+    shell=True)
+except:
+  print 'WARNING: not a git repository'
+  branch_name = None
+
+if branch_name is not None:
+  m = re.match(r'^release-([0-9]+)_([0-9]+)$', branch_name)
+  if m:
+    print 'RELEASE branch'
+    # version number should align with the branched version
+    check_version = lambda version: (
+      version.major == int(m.group(1)) and
+      version.minor == int(m.group(2)))
+    warning = 'Version key "%%s" value "%%s" should have a major version %s and minor version %s' % (m.group(1), m.group(2))
+  elif re.match(r'^debian/.*$', branch_name):
+    # no additional version checks for debian branches
+    check_version = lambda version: True
+  else:
+    # all other branches should have a -dev tag
+    check_version = lambda version: version.tag == 'dev'
+    warning = 'Version key "%s" value "%s" should have a -dev tag'
+else:
+  check_version = lambda version: True
+
+with open('build.yaml', 'r') as f:
+  build_yaml = yaml.load(f.read())
+
+settings = build_yaml['settings']
+
+top_version = Version(settings['version'])
+if not check_version(top_version):
+  errors += 1
+  print warning % ('version', top_version)
+
+for tag, value in settings.iteritems():
+  if re.match(r'^[a-z]+_version$', tag):
+    value = Version(value)
+    if value.major != top_version.major:
+      errors += 1
+      print 'major version mismatch on %s: %d vs %d' % (tag, value.major, top_version.major)
+    if value.minor != top_version.minor:
+      errors += 1
+      print 'minor version mismatch on %s: %d vs %d' % (tag, value.minor, top_version.minor)
+    if not check_version(value):
+      errors += 1
+      print warning % (tag, value)
+
+sys.exit(errors)
+
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index 809e6ce645..efc21e6591 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -1,9 +1,12 @@
 # a set of tests that are run in parallel for sanity tests
+- script: tools/run_tests/sanity/check_cache_mk.sh
 - script: tools/run_tests/sanity/check_sources_and_headers.py
 - script: tools/run_tests/sanity/check_submodules.sh
-- script: tools/run_tests/sanity/check_cache_mk.sh
 - script: tools/buildgen/generate_projects.sh -j 3
   cpu_cost: 3
 - script: tools/distrib/check_copyright.py
+- script: tools/distrib/check_vsprojects.py
 - script: tools/distrib/clang_format_code.sh
 - script: tools/distrib/check_trailing_newlines.sh
+- script: tools/distrib/check_nanopb_output.sh
+- script: tools/distrib/check_include_guards.py
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 47cbd6befd..a0d1f81b5e 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -13,7 +13,9 @@
     "name": "alarm_test", 
     "src": [
       "test/core/surface/alarm_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -27,7 +29,9 @@
     "name": "algorithm_test", 
     "src": [
       "test/core/compression/algorithm_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -39,7 +43,9 @@
     "name": "alloc_test", 
     "src": [
       "test/core/support/alloc_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -53,7 +59,9 @@
     "name": "alpn_test", 
     "src": [
       "test/core/transport/chttp2/alpn_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -65,7 +73,9 @@
     "name": "bin_encoder_test", 
     "src": [
       "test/core/transport/chttp2/bin_encoder_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -79,21 +89,9 @@
     "name": "census_context_test", 
     "src": [
       "test/core/census/context_test.c"
-    ]
-  }, 
-  {
-    "deps": [
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
     ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "census_log_test", 
-    "src": [
-      "test/core/census/log_test.c"
-    ]
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -107,7 +105,9 @@
     "name": "channel_create_test", 
     "src": [
       "test/core/surface/channel_create_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -121,7 +121,9 @@
     "name": "chttp2_hpack_encoder_test", 
     "src": [
       "test/core/transport/chttp2/hpack_encoder_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -135,7 +137,9 @@
     "name": "chttp2_status_conversion_test", 
     "src": [
       "test/core/transport/chttp2/status_conversion_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -149,7 +153,9 @@
     "name": "chttp2_stream_map_test", 
     "src": [
       "test/core/transport/chttp2/stream_map_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -163,7 +169,25 @@
     "name": "chttp2_varint_test", 
     "src": [
       "test/core/transport/chttp2/varint_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "client_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/client_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -177,7 +201,41 @@
     "name": "compression_test", 
     "src": [
       "test/core/compression/compression_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "concurrent_connectivity_test", 
+    "src": [
+      "test/core/surface/concurrent_connectivity_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "dns_resolver_connectivity_test", 
+    "src": [
+      "test/core/client_config/resolvers/dns_resolver_connectivity_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -191,7 +249,9 @@
     "name": "dns_resolver_test", 
     "src": [
       "test/core/client_config/resolvers/dns_resolver_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -205,7 +265,9 @@
     "name": "dualstack_socket_test", 
     "src": [
       "test/core/end2end/dualstack_socket_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -219,7 +281,9 @@
     "name": "endpoint_pair_test", 
     "src": [
       "test/core/iomgr/endpoint_pair_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -233,7 +297,9 @@
     "name": "fd_conservation_posix_test", 
     "src": [
       "test/core/iomgr/fd_conservation_posix_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -247,7 +313,9 @@
     "name": "fd_posix_test", 
     "src": [
       "test/core/iomgr/fd_posix_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -261,7 +329,9 @@
     "name": "fling_client", 
     "src": [
       "test/core/fling/client.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -275,7 +345,9 @@
     "name": "fling_server", 
     "src": [
       "test/core/fling/server.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -289,7 +361,9 @@
     "name": "fling_stream_test", 
     "src": [
       "test/core/fling/fling_stream_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -303,7 +377,9 @@
     "name": "fling_test", 
     "src": [
       "test/core/fling/fling_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -315,7 +391,9 @@
     "name": "gen_hpack_tables", 
     "src": [
       "tools/codegen/core/gen_hpack_tables.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [], 
@@ -324,7 +402,25 @@
     "name": "gen_legal_metadata_characters", 
     "src": [
       "tools/codegen/core/gen_legal_metadata_characters.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "goaway_server_test", 
+    "src": [
+      "test/core/end2end/goaway_server_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -336,7 +432,23 @@
     "name": "gpr_avl_test", 
     "src": [
       "test/core/support/avl_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "gpr_backoff_test", 
+    "src": [
+      "test/core/support/backoff_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -348,7 +460,9 @@
     "name": "gpr_cmdline_test", 
     "src": [
       "test/core/support/cmdline_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -360,7 +474,9 @@
     "name": "gpr_cpu_test", 
     "src": [
       "test/core/support/cpu_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -372,7 +488,9 @@
     "name": "gpr_env_test", 
     "src": [
       "test/core/support/env_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -381,10 +499,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "gpr_file_test", 
+    "name": "gpr_histogram_test", 
     "src": [
-      "test/core/support/file_test.c"
-    ]
+      "test/core/support/histogram_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -393,10 +513,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "gpr_histogram_test", 
+    "name": "gpr_host_port_test", 
     "src": [
-      "test/core/support/histogram_test.c"
-    ]
+      "test/core/support/host_port_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -405,10 +527,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "gpr_host_port_test", 
+    "name": "gpr_load_file_test", 
     "src": [
-      "test/core/support/host_port_test.c"
-    ]
+      "test/core/support/load_file_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -420,7 +544,9 @@
     "name": "gpr_log_test", 
     "src": [
       "test/core/support/log_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -432,7 +558,9 @@
     "name": "gpr_slice_buffer_test", 
     "src": [
       "test/core/support/slice_buffer_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -444,7 +572,9 @@
     "name": "gpr_slice_test", 
     "src": [
       "test/core/support/slice_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -456,7 +586,9 @@
     "name": "gpr_stack_lockfree_test", 
     "src": [
       "test/core/support/stack_lockfree_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -468,7 +600,9 @@
     "name": "gpr_string_test", 
     "src": [
       "test/core/support/string_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -480,7 +614,9 @@
     "name": "gpr_sync_test", 
     "src": [
       "test/core/support/sync_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -492,7 +628,9 @@
     "name": "gpr_thd_test", 
     "src": [
       "test/core/support/thd_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -504,7 +642,9 @@
     "name": "gpr_time_test", 
     "src": [
       "test/core/support/time_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -516,7 +656,9 @@
     "name": "gpr_tls_test", 
     "src": [
       "test/core/support/tls_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -528,7 +670,9 @@
     "name": "gpr_useful_test", 
     "src": [
       "test/core/support/useful_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -542,7 +686,9 @@
     "name": "grpc_auth_context_test", 
     "src": [
       "test/core/security/auth_context_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -553,10 +699,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "grpc_base64_test", 
+    "name": "grpc_b64_test", 
     "src": [
-      "test/core/security/base64_test.c"
-    ]
+      "test/core/security/b64_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -570,7 +718,9 @@
     "name": "grpc_byte_buffer_reader_test", 
     "src": [
       "test/core/surface/byte_buffer_reader_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -584,7 +734,9 @@
     "name": "grpc_channel_args_test", 
     "src": [
       "test/core/channel/channel_args_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -598,7 +750,9 @@
     "name": "grpc_channel_stack_test", 
     "src": [
       "test/core/channel/channel_stack_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -612,7 +766,9 @@
     "name": "grpc_completion_queue_test", 
     "src": [
       "test/core/surface/completion_queue_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -626,7 +782,9 @@
     "name": "grpc_create_jwt", 
     "src": [
       "test/core/security/create_jwt.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -640,7 +798,9 @@
     "name": "grpc_credentials_test", 
     "src": [
       "test/core/security/credentials_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -654,7 +814,9 @@
     "name": "grpc_fetch_oauth2", 
     "src": [
       "test/core/security/fetch_oauth2.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -668,7 +830,9 @@
     "name": "grpc_invalid_channel_args_test", 
     "src": [
       "test/core/surface/invalid_channel_args_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -682,7 +846,9 @@
     "name": "grpc_json_token_test", 
     "src": [
       "test/core/security/json_token_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -696,7 +862,9 @@
     "name": "grpc_jwt_verifier_test", 
     "src": [
       "test/core/security/jwt_verifier_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -710,7 +878,9 @@
     "name": "grpc_print_google_default_creds_token", 
     "src": [
       "test/core/security/print_google_default_creds_token.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -724,7 +894,9 @@
     "name": "grpc_security_connector_test", 
     "src": [
       "test/core/security/security_connector_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -738,7 +910,25 @@
     "name": "grpc_verify_jwt", 
     "src": [
       "test/core/security/verify_jwt.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test", 
+    "src": [
+      "test/core/transport/chttp2/hpack_parser_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -752,7 +942,9 @@
     "name": "hpack_parser_test", 
     "src": [
       "test/core/transport/chttp2/hpack_parser_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -766,7 +958,9 @@
     "name": "hpack_table_test", 
     "src": [
       "test/core/transport/chttp2/hpack_table_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -777,10 +971,28 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_fuzzer_test", 
+    "src": [
+      "test/core/http/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "http_parser_test", 
     "src": [
-      "test/core/httpcli/format_request_test.c"
-    ]
+      "test/core/http/parser_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -791,10 +1003,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "httpcli_format_request_test", 
     "src": [
-      "test/core/httpcli/parser_test.c"
-    ]
+      "test/core/http/format_request_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -807,8 +1021,10 @@
     "language": "c", 
     "name": "httpcli_test", 
     "src": [
-      "test/core/httpcli/httpcli_test.c"
-    ]
+      "test/core/http/httpcli_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -821,8 +1037,10 @@
     "language": "c", 
     "name": "httpscli_test", 
     "src": [
-      "test/core/httpcli/httpscli_test.c"
-    ]
+      "test/core/http/httpscli_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -836,7 +1054,57 @@
     "name": "init_test", 
     "src": [
       "test/core/surface/init_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_iomgr_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_support_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_transport_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -850,7 +1118,25 @@
     "name": "invalid_call_argument_test", 
     "src": [
       "test/core/end2end/invalid_call_argument_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "json_fuzzer_test", 
+    "src": [
+      "test/core/json/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -862,7 +1148,9 @@
     "name": "json_rewrite", 
     "src": [
       "test/core/json/json_rewrite.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -876,7 +1164,9 @@
     "name": "json_rewrite_test", 
     "src": [
       "test/core/json/json_rewrite_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -890,7 +1180,9 @@
     "name": "json_stream_error_test", 
     "src": [
       "test/core/json/json_stream_error_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -904,7 +1196,9 @@
     "name": "json_test", 
     "src": [
       "test/core/json/json_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -918,7 +1212,9 @@
     "name": "lame_client_test", 
     "src": [
       "test/core/surface/lame_client_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -932,7 +1228,9 @@
     "name": "lb_policies_test", 
     "src": [
       "test/core/client_config/lb_policies_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -946,7 +1244,9 @@
     "name": "low_level_ping_pong_benchmark", 
     "src": [
       "test/core/network_benchmarks/low_level_ping_pong.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -960,7 +1260,25 @@
     "name": "message_compress_test", 
     "src": [
       "test/core/compression/message_compress_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "mlog_test", 
+    "src": [
+      "test/core/census/mlog_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -974,7 +1292,9 @@
     "name": "multiple_server_queues_test", 
     "src": [
       "test/core/end2end/multiple_server_queues_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -986,7 +1306,41 @@
     "name": "murmur_hash_test", 
     "src": [
       "test/core/support/murmur_hash_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_response_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_response.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_serverlist_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_serverlist.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1000,7 +1354,9 @@
     "name": "no_server_test", 
     "src": [
       "test/core/end2end/no_server_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1014,7 +1370,9 @@
     "name": "resolve_address_test", 
     "src": [
       "test/core/iomgr/resolve_address_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1028,7 +1386,9 @@
     "name": "secure_channel_create_test", 
     "src": [
       "test/core/surface/secure_channel_create_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1042,7 +1402,9 @@
     "name": "secure_endpoint_test", 
     "src": [
       "test/core/security/secure_endpoint_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1056,7 +1418,25 @@
     "name": "server_chttp2_test", 
     "src": [
       "test/core/surface/server_chttp2_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "server_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/server_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1070,7 +1450,9 @@
     "name": "server_test", 
     "src": [
       "test/core/surface/server_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1085,7 +1467,9 @@
     "name": "set_initial_connect_string_test", 
     "src": [
       "test/core/client_config/set_initial_connect_string_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1099,7 +1483,9 @@
     "name": "sockaddr_resolver_test", 
     "src": [
       "test/core/client_config/resolvers/sockaddr_resolver_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1113,7 +1499,9 @@
     "name": "sockaddr_utils_test", 
     "src": [
       "test/core/iomgr/sockaddr_utils_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1127,7 +1515,9 @@
     "name": "socket_utils_test", 
     "src": [
       "test/core/iomgr/socket_utils_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1141,7 +1531,9 @@
     "name": "tcp_client_posix_test", 
     "src": [
       "test/core/iomgr/tcp_client_posix_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1155,7 +1547,9 @@
     "name": "tcp_posix_test", 
     "src": [
       "test/core/iomgr/tcp_posix_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1169,7 +1563,9 @@
     "name": "tcp_server_posix_test", 
     "src": [
       "test/core/iomgr/tcp_server_posix_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1183,7 +1579,9 @@
     "name": "time_averaged_stats_test", 
     "src": [
       "test/core/iomgr/time_averaged_stats_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1197,7 +1595,9 @@
     "name": "timeout_encoding_test", 
     "src": [
       "test/core/transport/chttp2/timeout_encoding_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1211,7 +1611,9 @@
     "name": "timer_heap_test", 
     "src": [
       "test/core/iomgr/timer_heap_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1225,7 +1627,9 @@
     "name": "timer_list_test", 
     "src": [
       "test/core/iomgr/timer_list_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1239,7 +1643,9 @@
     "name": "timers_test", 
     "src": [
       "test/core/profiling/timers_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1253,7 +1659,9 @@
     "name": "transport_connectivity_state_test", 
     "src": [
       "test/core/transport/connectivity_state_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1267,7 +1675,9 @@
     "name": "transport_metadata_test", 
     "src": [
       "test/core/transport/metadata_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1281,7 +1691,9 @@
     "name": "transport_security_test", 
     "src": [
       "test/core/tsi/transport_security_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1295,7 +1707,25 @@
     "name": "udp_server_test", 
     "src": [
       "test/core/iomgr/udp_server_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "uri_fuzzer_test", 
+    "src": [
+      "test/core/client_config/uri_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1309,7 +1739,9 @@
     "name": "uri_parser_test", 
     "src": [
       "test/core/client_config/uri_parser_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1323,7 +1755,9 @@
     "name": "workqueue_test", 
     "src": [
       "test/core/iomgr/workqueue_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1339,7 +1773,9 @@
     "name": "alarm_cpp_test", 
     "src": [
       "test/cpp/common/alarm_cpp_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1355,7 +1791,9 @@
     "name": "async_end2end_test", 
     "src": [
       "test/cpp/end2end/async_end2end_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1372,7 +1810,9 @@
     "name": "async_streaming_ping_pong_test", 
     "src": [
       "test/cpp/qps/async_streaming_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1389,7 +1829,9 @@
     "name": "async_unary_ping_pong_test", 
     "src": [
       "test/cpp/qps/async_unary_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1405,7 +1847,9 @@
     "name": "auth_property_iterator_test", 
     "src": [
       "test/cpp/common/auth_property_iterator_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1418,7 +1862,9 @@
     "name": "channel_arguments_test", 
     "src": [
       "test/cpp/common/channel_arguments_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1434,7 +1880,9 @@
     "name": "cli_call_test", 
     "src": [
       "test/cpp/util/cli_call_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1450,7 +1898,9 @@
     "name": "client_crash_test", 
     "src": [
       "test/cpp/end2end/client_crash_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1466,7 +1916,64 @@
     "name": "client_crash_test_server", 
     "src": [
       "test/cpp/end2end/client_crash_test_server.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_codegen"
+    ], 
+    "headers": [
+      "src/proto/grpc/testing/control.grpc.pb.h", 
+      "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/messages.grpc.pb.h", 
+      "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/payloads.grpc.pb.h", 
+      "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/perf_db.grpc.pb.h", 
+      "src/proto/grpc/testing/perf_db.pb.h", 
+      "src/proto/grpc/testing/services.grpc.pb.h", 
+      "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/stats.grpc.pb.h", 
+      "src/proto/grpc/testing/stats.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "codegen_test_full", 
+    "src": [
+      "test/cpp/codegen/codegen_test_full.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "grpc++_codegen"
+    ], 
+    "headers": [
+      "src/proto/grpc/testing/control.grpc.pb.h", 
+      "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/messages.grpc.pb.h", 
+      "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/payloads.grpc.pb.h", 
+      "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/perf_db.grpc.pb.h", 
+      "src/proto/grpc/testing/perf_db.pb.h", 
+      "src/proto/grpc/testing/services.grpc.pb.h", 
+      "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/stats.grpc.pb.h", 
+      "src/proto/grpc/testing/stats.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "codegen_test_minimal", 
+    "src": [
+      "test/cpp/codegen/codegen_test_minimal.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1479,7 +1986,9 @@
     "name": "credentials_test", 
     "src": [
       "test/cpp/client/credentials_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1494,7 +2003,9 @@
     "name": "cxx_byte_buffer_test", 
     "src": [
       "test/cpp/util/byte_buffer_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1509,7 +2020,9 @@
     "name": "cxx_slice_test", 
     "src": [
       "test/cpp/util/slice_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1520,7 +2033,9 @@
     "name": "cxx_string_ref_test", 
     "src": [
       "test/cpp/util/string_ref_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1535,7 +2050,9 @@
     "name": "cxx_time_test", 
     "src": [
       "test/cpp/util/time_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1551,7 +2068,9 @@
     "name": "end2end_test", 
     "src": [
       "test/cpp/end2end/end2end_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1568,7 +2087,9 @@
     "name": "generic_async_streaming_ping_pong_test", 
     "src": [
       "test/cpp/qps/generic_async_streaming_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1584,7 +2105,9 @@
     "name": "generic_end2end_test", 
     "src": [
       "test/cpp/end2end/generic_end2end_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1601,7 +2124,9 @@
     "name": "grpc_cli", 
     "src": [
       "test/cpp/util/grpc_cli.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1612,7 +2137,9 @@
     "name": "grpc_cpp_plugin", 
     "src": [
       "src/compiler/cpp_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1623,7 +2150,9 @@
     "name": "grpc_csharp_plugin", 
     "src": [
       "src/compiler/csharp_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1634,7 +2163,9 @@
     "name": "grpc_node_plugin", 
     "src": [
       "src/compiler/node_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1645,7 +2176,9 @@
     "name": "grpc_objective_c_plugin", 
     "src": [
       "src/compiler/objective_c_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1656,7 +2189,9 @@
     "name": "grpc_python_plugin", 
     "src": [
       "src/compiler/python_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1667,7 +2202,28 @@
     "name": "grpc_ruby_plugin", 
     "src": [
       "src/compiler/ruby_plugin.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_util", 
+      "grpc_test_util"
+    ], 
+    "headers": [
+      "src/proto/grpc/lb/v0/load_balancer.grpc.pb.h", 
+      "src/proto/grpc/lb/v0/load_balancer.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "grpclb_api_test", 
+    "src": [
+      "test/cpp/grpclb/grpclb_api_test.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1683,7 +2239,9 @@
     "name": "hybrid_end2end_test", 
     "src": [
       "test/cpp/end2end/hybrid_end2end_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1700,7 +2258,9 @@
     "headers": [], 
     "language": "c++", 
     "name": "interop_client", 
-    "src": []
+    "src": [], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1717,7 +2277,9 @@
     "headers": [], 
     "language": "c++", 
     "name": "interop_server", 
-    "src": []
+    "src": [], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1731,7 +2293,28 @@
     "name": "interop_test", 
     "src": [
       "test/cpp/interop/interop_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config", 
+      "grpc++_test_util", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "src": [
+      "test/cpp/qps/json_run_localhost.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1750,7 +2333,9 @@
     "src": [
       "test/cpp/interop/metrics_client.cc", 
       "test/cpp/util/metrics_server.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1766,7 +2351,9 @@
     "name": "mock_test", 
     "src": [
       "test/cpp/end2end/mock_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1784,7 +2371,9 @@
     "name": "qps_driver", 
     "src": [
       "test/cpp/qps/qps_driver.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1801,7 +2390,29 @@
     "name": "qps_interarrival_test", 
     "src": [
       "test/cpp/qps/qps_interarrival_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config", 
+      "grpc++_test_util", 
+      "grpc_test_util", 
+      "qps"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "qps_json_driver", 
+    "src": [
+      "test/cpp/qps/qps_json_driver.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1819,7 +2430,9 @@
     "name": "qps_openloop_test", 
     "src": [
       "test/cpp/qps/qps_openloop_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1837,7 +2450,9 @@
     "name": "qps_test", 
     "src": [
       "test/cpp/qps/qps_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1860,7 +2475,9 @@
       "test/cpp/qps/client.h", 
       "test/cpp/qps/server.h", 
       "test/cpp/qps/worker.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1884,7 +2501,9 @@
     "name": "reconnect_interop_client", 
     "src": [
       "test/cpp/interop/reconnect_interop_client.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1910,7 +2529,9 @@
     "name": "reconnect_interop_server", 
     "src": [
       "test/cpp/interop/reconnect_interop_server.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1926,7 +2547,9 @@
     "name": "secure_auth_context_test", 
     "src": [
       "test/cpp/common/secure_auth_context_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1943,7 +2566,9 @@
     "name": "secure_sync_unary_ping_pong_test", 
     "src": [
       "test/cpp/qps/secure_sync_unary_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1959,7 +2584,9 @@
     "name": "server_crash_test", 
     "src": [
       "test/cpp/end2end/server_crash_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1975,7 +2602,9 @@
     "name": "server_crash_test_client", 
     "src": [
       "test/cpp/end2end/server_crash_test_client.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -1991,7 +2620,9 @@
     "name": "shutdown_test", 
     "src": [
       "test/cpp/end2end/shutdown_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2006,7 +2637,9 @@
     "name": "status_test", 
     "src": [
       "test/cpp/util/status_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2022,7 +2655,9 @@
     "name": "streaming_throughput_test", 
     "src": [
       "test/cpp/end2end/streaming_throughput_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2059,7 +2694,9 @@
       "test/cpp/interop/stress_test.cc", 
       "test/cpp/util/metrics_server.cc", 
       "test/cpp/util/metrics_server.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2076,7 +2713,9 @@
     "name": "sync_streaming_ping_pong_test", 
     "src": [
       "test/cpp/qps/sync_streaming_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2093,7 +2732,9 @@
     "name": "sync_unary_ping_pong_test", 
     "src": [
       "test/cpp/qps/sync_unary_ping_pong_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2109,7 +2750,9 @@
     "name": "thread_stress_test", 
     "src": [
       "test/cpp/end2end/thread_stress_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2129,7 +2772,9 @@
     "name": "zookeeper_test", 
     "src": [
       "test/cpp/end2end/zookeeper_test.cc"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2141,7 +2786,490 @@
     "name": "public_headers_must_be_c89", 
     "src": [
       "test/core/surface/public_headers_must_be_c89.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_aes_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_aes_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_asn1_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_asn1_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
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+    "third_party": true, 
+    "type": "target"
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+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_bytestring_test_lib", 
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+    "third_party": true, 
+    "type": "target"
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+    "type": "target"
+  }, 
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+      "boringssl_test_util"
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+    "third_party": true, 
+    "type": "target"
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+      "boringssl_cmac_test_lib", 
+      "boringssl_test_util"
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+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_test_util"
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+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_ed25519_test_lib", 
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+    "type": "target"
+  }, 
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+      "boringssl_x25519_test_lib"
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+    "type": "target"
+  }, 
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+    "type": "target"
+  }, 
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+      "boringssl_digest_test_lib", 
+      "boringssl_test_util"
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+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_dsa_test_lib", 
+      "boringssl_test_util"
+    ], 
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+    "type": "target"
+  }, 
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+      "boringssl", 
+      "boringssl_ec_test_lib", 
+      "boringssl_test_util"
+    ], 
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+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_example_mul_lib", 
+      "boringssl_test_util"
+    ], 
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+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl_ecdsa_test_lib", 
+      "boringssl_test_util"
+    ], 
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+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
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+      "boringssl", 
+      "boringssl_err_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
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+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
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+      "boringssl", 
+      "boringssl_evp_extra_test_lib", 
+      "boringssl_test_util"
+    ], 
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+    "language": "c++", 
+    "name": "boringssl_evp_extra_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_evp_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_evp_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_pbkdf_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pbkdf_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_hkdf_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_hkdf_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_hmac_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_hmac_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_lhash_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_lhash_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_gcm_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_gcm_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_pkcs12_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pkcs12_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_pkcs8_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pkcs8_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_poly1305_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_poly1305_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_refcount_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_refcount_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_rsa_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_rsa_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util", 
+      "boringssl_thread_test_lib"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_thread_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_pkcs7_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pkcs7_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_tab_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_tab_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util", 
+      "boringssl_v3name_test_lib"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_v3name_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_pqueue_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pqueue_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_ssl_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_ssl_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2156,7 +3284,9 @@
     "name": "badreq_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/badreq.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2171,7 +3301,26 @@
     "name": "connection_prefix_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/connection_prefix.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "bad_client_test", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "src": [
+      "test/core/bad_client/tests/head_of_line_blocking.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2186,7 +3335,9 @@
     "name": "headers_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/headers.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2201,7 +3352,9 @@
     "name": "initial_settings_frame_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/initial_settings_frame.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2216,7 +3369,9 @@
     "name": "server_registered_method_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/server_registered_method.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2231,7 +3386,9 @@
     "name": "simple_request_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/simple_request.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2246,7 +3403,9 @@
     "name": "unknown_frame_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/unknown_frame.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2261,7 +3420,9 @@
     "name": "window_overflow_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/window_overflow.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2276,7 +3437,9 @@
     "name": "bad_ssl_alpn_server", 
     "src": [
       "test/core/bad_ssl/servers/alpn.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2291,7 +3454,9 @@
     "name": "bad_ssl_cert_server", 
     "src": [
       "test/core/bad_ssl/servers/cert.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2305,7 +3470,9 @@
     "name": "bad_ssl_alpn_test", 
     "src": [
       "test/core/bad_ssl/bad_ssl_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2319,11 +3486,12 @@
     "name": "bad_ssl_cert_test", 
     "src": [
       "test/core/bad_ssl/bad_ssl_test.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2335,11 +3503,12 @@
     "name": "h2_census_test", 
     "src": [
       "test/core/end2end/fixtures/h2_census.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2351,11 +3520,12 @@
     "name": "h2_compress_test", 
     "src": [
       "test/core/end2end/fixtures/h2_compress.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2367,11 +3537,12 @@
     "name": "h2_fakesec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_fakesec.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2383,11 +3554,12 @@
     "name": "h2_full_test", 
     "src": [
       "test/core/end2end/fixtures/h2_full.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2399,27 +3571,12 @@
     "name": "h2_full+pipe_test", 
     "src": [
       "test/core/end2end/fixtures/h2_full+pipe.c"
-    ]
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
     ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ]
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2428,14 +3585,15 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_full+trace_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ]
+      "test/core/end2end/fixtures/h2_full+trace.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2447,11 +3605,12 @@
     "name": "h2_oauth2_test", 
     "src": [
       "test/core/end2end/fixtures/h2_oauth2.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2463,11 +3622,12 @@
     "name": "h2_proxy_test", 
     "src": [
       "test/core/end2end/fixtures/h2_proxy.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2479,11 +3639,12 @@
     "name": "h2_sockpair_test", 
     "src": [
       "test/core/end2end/fixtures/h2_sockpair.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2495,11 +3656,12 @@
     "name": "h2_sockpair+trace_test", 
     "src": [
       "test/core/end2end/fixtures/h2_sockpair+trace.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2511,11 +3673,12 @@
     "name": "h2_sockpair_1byte_test", 
     "src": [
       "test/core/end2end/fixtures/h2_sockpair_1byte.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2527,11 +3690,12 @@
     "name": "h2_ssl_test", 
     "src": [
       "test/core/end2end/fixtures/h2_ssl.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2540,14 +3704,15 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_ssl+poll.c"
-    ]
+      "test/core/end2end/fixtures/h2_ssl_proxy.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "end2end_tests", 
       "gpr", 
       "gpr_test_util", 
@@ -2556,58 +3721,63 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_ssl_proxy.c"
-    ]
+      "test/core/end2end/fixtures/h2_uds.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
+      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
-    ]
+      "test/core/end2end/fixtures/h2_census.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
+      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds.c"
-    ]
+      "test/core/end2end/fixtures/h2_compress.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_certs", 
-      "end2end_tests", 
+      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ]
+      "test/core/end2end/fixtures/h2_full.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2619,10 +3789,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_census.c"
-    ]
+      "test/core/end2end/fixtures/h2_full+pipe.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2634,10 +3806,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_compress.c"
-    ]
+      "test/core/end2end/fixtures/h2_full+trace.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2649,10 +3823,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full.c"
-    ]
+      "test/core/end2end/fixtures/h2_proxy.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2664,10 +3840,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+pipe.c"
-    ]
+      "test/core/end2end/fixtures/h2_sockpair.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2679,10 +3857,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ]
+      "test/core/end2end/fixtures/h2_sockpair+trace.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2694,10 +3874,12 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
-    ]
+      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
@@ -2709,256 +3891,159 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_proxy.c"
-    ]
+      "test/core/end2end/fixtures/h2_uds.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair.c"
-    ]
+      "test/core/end2end/fuzzers/client_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair+trace_nosec_test", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair+trace.c"
-    ]
+      "test/core/transport/chttp2/hpack_parser_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair_1byte_nosec_test", 
+    "name": "http_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
-    ]
+      "test/core/http/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_nosec_test", 
+    "name": "json_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
-    ]
+      "test/core/json/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "nanopb_fuzzer_response_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds.c"
-    ]
+      "test/core/nanopb/fuzzer_response.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "nanopb_fuzzer_serverlist_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
-    ]
+      "test/core/nanopb/fuzzer_serverlist.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
   }, 
   {
-    "deps": [], 
-    "headers": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/profiling/timers.h", 
-      "src/core/support/block_annotate.h", 
-      "src/core/support/env.h", 
-      "src/core/support/file.h", 
-      "src/core/support/murmur_hash.h", 
-      "src/core/support/stack_lockfree.h", 
-      "src/core/support/string.h", 
-      "src/core/support/string_win32.h", 
-      "src/core/support/thd_internal.h", 
-      "src/core/support/time_precise.h"
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
     ], 
+    "headers": [], 
     "language": "c", 
-    "name": "gpr", 
+    "name": "server_fuzzer_one_entry", 
     "src": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/profiling/basic_timers.c", 
-      "src/core/profiling/stap_timers.c", 
-      "src/core/profiling/timers.h", 
-      "src/core/support/alloc.c", 
-      "src/core/support/avl.c", 
-      "src/core/support/block_annotate.h", 
-      "src/core/support/cmdline.c", 
-      "src/core/support/cpu_iphone.c", 
-      "src/core/support/cpu_linux.c", 
-      "src/core/support/cpu_posix.c", 
-      "src/core/support/cpu_windows.c", 
-      "src/core/support/env.h", 
-      "src/core/support/env_linux.c", 
-      "src/core/support/env_posix.c", 
-      "src/core/support/env_win32.c", 
-      "src/core/support/file.c", 
-      "src/core/support/file.h", 
-      "src/core/support/file_posix.c", 
-      "src/core/support/file_win32.c", 
-      "src/core/support/histogram.c", 
-      "src/core/support/host_port.c", 
-      "src/core/support/log.c", 
-      "src/core/support/log_android.c", 
-      "src/core/support/log_linux.c", 
-      "src/core/support/log_posix.c", 
-      "src/core/support/log_win32.c", 
-      "src/core/support/murmur_hash.c", 
-      "src/core/support/murmur_hash.h", 
-      "src/core/support/slice.c", 
-      "src/core/support/slice_buffer.c", 
-      "src/core/support/stack_lockfree.c", 
-      "src/core/support/stack_lockfree.h", 
-      "src/core/support/string.c", 
-      "src/core/support/string.h", 
-      "src/core/support/string_posix.c", 
-      "src/core/support/string_win32.c", 
-      "src/core/support/string_win32.h", 
-      "src/core/support/subprocess_posix.c", 
-      "src/core/support/subprocess_windows.c", 
-      "src/core/support/sync.c", 
-      "src/core/support/sync_posix.c", 
-      "src/core/support/sync_win32.c", 
-      "src/core/support/thd.c", 
-      "src/core/support/thd_internal.h", 
-      "src/core/support/thd_posix.c", 
-      "src/core/support/thd_win32.c", 
-      "src/core/support/time.c", 
-      "src/core/support/time_posix.c", 
-      "src/core/support/time_precise.c", 
-      "src/core/support/time_precise.h", 
-      "src/core/support/time_win32.c", 
-      "src/core/support/tls_pthread.c", 
-      "src/core/support/wrap_memcpy.c"
-    ]
+      "test/core/end2end/fuzzers/server_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "src": [
+      "test/core/client_config/uri_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr_base"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "gpr", 
+    "src": [], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -2972,943 +4057,105 @@
     "src": [
       "test/core/util/test_config.c", 
       "test/core/util/test_config.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
-      "gpr"
-    ], 
-    "headers": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/grpc_security.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/log.h", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/timer_internal.h", 
-      "src/core/iomgr/udp_server.h", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_writer.h", 
-      "src/core/security/auth_filters.h", 
-      "src/core/security/base64.h", 
-      "src/core/security/credentials.h", 
-      "src/core/security/handshake.h", 
-      "src/core/security/json_token.h", 
-      "src/core/security/jwt_verifier.h", 
-      "src/core/security/secure_endpoint.h", 
-      "src/core/security/security_connector.h", 
-      "src/core/security/security_context.h", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.h", 
-      "src/core/surface/server.h", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "src/core/tsi/fake_transport_security.h", 
-      "src/core/tsi/ssl_transport_security.h", 
-      "src/core/tsi/ssl_types.h", 
-      "src/core/tsi/transport_security.h", 
-      "src/core/tsi/transport_security_interface.h"
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_secure", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_client_secure", 
+      "grpc_transport_chttp2_server_insecure", 
+      "grpc_transport_chttp2_server_secure"
     ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc", 
-    "src": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/grpc_security.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/context.c", 
-      "src/core/census/grpc_context.c", 
-      "src/core/census/grpc_filter.c", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/initialize.c", 
-      "src/core/census/log.c", 
-      "src/core/census/log.h", 
-      "src/core/census/operation.c", 
-      "src/core/census/placeholders.c", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/census/tracing.c", 
-      "src/core/channel/channel_args.c", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.c", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.c", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.c", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.c", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.c", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.c", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.c", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.c", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.c", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.c", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/default_initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/pick_first.c", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.c", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.c", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.c", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.c", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.c", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.c", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.c", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.c", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.c", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.c", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.c", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.c", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.c", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm.c", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/message_compress.c", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.c", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.c", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.c", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/httpcli_security_connector.c", 
-      "src/core/httpcli/parser.c", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.c", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.c", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/endpoint_pair_posix.c", 
-      "src/core/iomgr/endpoint_pair_windows.c", 
-      "src/core/iomgr/exec_ctx.c", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.c", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.c", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.c", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.c", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.c", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/iomgr_windows.c", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_multipoller_with_epoll.c", 
-      "src/core/iomgr/pollset_multipoller_with_poll_posix.c", 
-      "src/core/iomgr/pollset_posix.c", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.c", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.c", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.c", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/resolve_address_posix.c", 
-      "src/core/iomgr/resolve_address_windows.c", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.c", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_common_posix.c", 
-      "src/core/iomgr/socket_utils_linux.c", 
-      "src/core/iomgr/socket_utils_posix.c", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.c", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_client_posix.c", 
-      "src/core/iomgr/tcp_client_windows.c", 
-      "src/core/iomgr/tcp_posix.c", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_server_posix.c", 
-      "src/core/iomgr/tcp_server_windows.c", 
-      "src/core/iomgr/tcp_windows.c", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.c", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.c", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.c", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/timer_internal.h", 
-      "src/core/iomgr/udp_server.c", 
-      "src/core/iomgr/udp_server.h", 
-      "src/core/iomgr/wakeup_fd_eventfd.c", 
-      "src/core/iomgr/wakeup_fd_nospecial.c", 
-      "src/core/iomgr/wakeup_fd_pipe.c", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.c", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.c", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.c", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.c", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.c", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_string.c", 
-      "src/core/json/json_writer.c", 
-      "src/core/json/json_writer.h", 
-      "src/core/security/auth_filters.h", 
-      "src/core/security/base64.c", 
-      "src/core/security/base64.h", 
-      "src/core/security/client_auth_filter.c", 
-      "src/core/security/credentials.c", 
-      "src/core/security/credentials.h", 
-      "src/core/security/credentials_metadata.c", 
-      "src/core/security/credentials_posix.c", 
-      "src/core/security/credentials_win32.c", 
-      "src/core/security/google_default_credentials.c", 
-      "src/core/security/handshake.c", 
-      "src/core/security/handshake.h", 
-      "src/core/security/json_token.c", 
-      "src/core/security/json_token.h", 
-      "src/core/security/jwt_verifier.c", 
-      "src/core/security/jwt_verifier.h", 
-      "src/core/security/secure_endpoint.c", 
-      "src/core/security/secure_endpoint.h", 
-      "src/core/security/security_connector.c", 
-      "src/core/security/security_connector.h", 
-      "src/core/security/security_context.c", 
-      "src/core/security/security_context.h", 
-      "src/core/security/server_auth_filter.c", 
-      "src/core/security/server_secure_chttp2.c", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/alarm.c", 
-      "src/core/surface/api_trace.c", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_reader.c", 
-      "src/core/surface/call.c", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_details.c", 
-      "src/core/surface/call_log_batch.c", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.c", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/channel_connectivity.c", 
-      "src/core/surface/channel_create.c", 
-      "src/core/surface/channel_ping.c", 
-      "src/core/surface/completion_queue.c", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.c", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.c", 
-      "src/core/surface/init.h", 
-      "src/core/surface/init_secure.c", 
-      "src/core/surface/lame_client.c", 
-      "src/core/surface/metadata_array.c", 
-      "src/core/surface/secure_channel_create.c", 
-      "src/core/surface/server.c", 
-      "src/core/surface/server.h", 
-      "src/core/surface/server_chttp2.c", 
-      "src/core/surface/server_create.c", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/surface/validate_metadata.c", 
-      "src/core/surface/version.c", 
-      "src/core/transport/byte_stream.c", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.c", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.c", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.c", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.c", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.c", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.c", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.c", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.c", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.c", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.c", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.c", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.c", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.c", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/parsing.c", 
-      "src/core/transport/chttp2/status_conversion.c", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_lists.c", 
-      "src/core/transport/chttp2/stream_map.c", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.c", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.c", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2/writing.c", 
-      "src/core/transport/chttp2_transport.c", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.c", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.c", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.c", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.c", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.c", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "src/core/transport/transport_op_string.c", 
-      "src/core/tsi/fake_transport_security.c", 
-      "src/core/tsi/fake_transport_security.h", 
-      "src/core/tsi/ssl_transport_security.c", 
-      "src/core/tsi/ssl_transport_security.h", 
-      "src/core/tsi/ssl_types.h", 
-      "src/core/tsi/transport_security.c", 
-      "src/core/tsi/transport_security.h", 
-      "src/core/tsi/transport_security_interface.h"
-    ]
+    "src": [], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
       "gpr", 
-      "gpr_test_util", 
       "grpc"
     ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_dll", 
+    "src": [], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util_base"
+    ], 
     "headers": [
-      "test/core/end2end/cq_verifier.h", 
       "test/core/end2end/data/ssl_test_data.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/slice_splitter.h"
+      "test/core/security/oauth2_utils.h"
     ], 
     "language": "c", 
     "name": "grpc_test_util", 
     "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
       "test/core/end2end/data/server1_cert.c", 
       "test/core/end2end/data/server1_key.c", 
       "test/core/end2end/data/ssl_test_data.h", 
       "test/core/end2end/data/test_root_cert.c", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
       "test/core/security/oauth2_utils.c", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
-    ]
+      "test/core/security/oauth2_utils.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
       "gpr", 
       "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util_base", 
       "grpc_unsecure"
     ], 
-    "headers": [
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/slice_splitter.h"
-    ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_test_util_unsecure", 
-    "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
-    ]
+    "src": [], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
-      "gpr"
-    ], 
-    "headers": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/log.h", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/timer_internal.h", 
-      "src/core/iomgr/udp_server.h", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_writer.h", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.h", 
-      "src/core/surface/server.h", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h"
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_server_insecure"
     ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_unsecure", 
     "src": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/context.c", 
-      "src/core/census/grpc_context.c", 
-      "src/core/census/grpc_filter.c", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/initialize.c", 
-      "src/core/census/log.c", 
-      "src/core/census/log.h", 
-      "src/core/census/operation.c", 
-      "src/core/census/placeholders.c", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/census/tracing.c", 
-      "src/core/channel/channel_args.c", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.c", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.c", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.c", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.c", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.c", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.c", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.c", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.c", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.c", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.c", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/default_initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/pick_first.c", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.c", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.c", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.c", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.c", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.c", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.c", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.c", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.c", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.c", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.c", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.c", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.c", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.c", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm.c", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/message_compress.c", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.c", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.c", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.c", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.c", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.c", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.c", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/endpoint_pair_posix.c", 
-      "src/core/iomgr/endpoint_pair_windows.c", 
-      "src/core/iomgr/exec_ctx.c", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.c", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.c", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.c", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.c", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.c", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/iomgr_windows.c", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_multipoller_with_epoll.c", 
-      "src/core/iomgr/pollset_multipoller_with_poll_posix.c", 
-      "src/core/iomgr/pollset_posix.c", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.c", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.c", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.c", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/resolve_address_posix.c", 
-      "src/core/iomgr/resolve_address_windows.c", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.c", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_common_posix.c", 
-      "src/core/iomgr/socket_utils_linux.c", 
-      "src/core/iomgr/socket_utils_posix.c", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.c", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_client_posix.c", 
-      "src/core/iomgr/tcp_client_windows.c", 
-      "src/core/iomgr/tcp_posix.c", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_server_posix.c", 
-      "src/core/iomgr/tcp_server_windows.c", 
-      "src/core/iomgr/tcp_windows.c", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.c", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.c", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.c", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/timer_internal.h", 
-      "src/core/iomgr/udp_server.c", 
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-      "src/core/iomgr/wakeup_fd_eventfd.c", 
-      "src/core/iomgr/wakeup_fd_nospecial.c", 
-      "src/core/iomgr/wakeup_fd_pipe.c", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.c", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.c", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.c", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.c", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.c", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_string.c", 
-      "src/core/json/json_writer.c", 
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-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/alarm.c", 
-      "src/core/surface/api_trace.c", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_reader.c", 
-      "src/core/surface/call.c", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_details.c", 
-      "src/core/surface/call_log_batch.c", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.c", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/channel_connectivity.c", 
-      "src/core/surface/channel_create.c", 
-      "src/core/surface/channel_ping.c", 
-      "src/core/surface/completion_queue.c", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.c", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.c", 
-      "src/core/surface/init.h", 
-      "src/core/surface/init_unsecure.c", 
-      "src/core/surface/lame_client.c", 
-      "src/core/surface/metadata_array.c", 
-      "src/core/surface/server.c", 
-      "src/core/surface/server.h", 
-      "src/core/surface/server_chttp2.c", 
-      "src/core/surface/server_create.c", 
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-      "src/core/surface/validate_metadata.c", 
-      "src/core/surface/version.c", 
-      "src/core/transport/byte_stream.c", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.c", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.c", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
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-      "src/core/transport/chttp2/frame_data.h", 
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-      "src/core/transport/chttp2/frame_ping.c", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.c", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.c", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.c", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.c", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.c", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.c", 
-      "src/core/transport/chttp2/hpack_table.h", 
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-      "src/core/transport/chttp2/huffsyms.c", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.c", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/parsing.c", 
-      "src/core/transport/chttp2/status_conversion.c", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_lists.c", 
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-      "src/core/transport/chttp2/timeout_encoding.c", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.c", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2/writing.c", 
-      "src/core/transport/chttp2_transport.c", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.c", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.c", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.c", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.c", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.c", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "src/core/transport/transport_op_string.c"
-    ]
+      "src/core/lib/surface/init_unsecure.c"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -3916,16 +4163,29 @@
       "grpc"
     ], 
     "headers": [
-      "include/grpc/grpc_zookeeper.h", 
-      "src/core/client_config/resolvers/zookeeper_resolver.h"
+      "include/grpc/grpc_zookeeper.h"
     ], 
     "language": "c", 
     "name": "grpc_zookeeper", 
     "src": [
       "include/grpc/grpc_zookeeper.h", 
-      "src/core/client_config/resolvers/zookeeper_resolver.c", 
-      "src/core/client_config/resolvers/zookeeper_resolver.h"
-    ]
+      "src/core/ext/resolver/zookeeper/zookeeper_resolver.c"
+    ], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "gpr"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "one_input_fuzzer", 
+    "src": [
+      "test/core/util/one_corpus_entry_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -3943,7 +4203,9 @@
     "src": [
       "test/core/util/reconnect_server.c", 
       "test/core/util/reconnect_server.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -3960,213 +4222,38 @@
     "src": [
       "test/core/util/test_tcp_server.c", 
       "test/core/util/test_tcp_server.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
-      "grpc"
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen"
     ], 
     "headers": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
       "src/cpp/client/secure_credentials.h", 
-      "src/cpp/common/create_auth_context.h", 
+      "src/cpp/common/core_codegen.h", 
       "src/cpp/common/secure_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/thread_pool_interface.h"
+      "src/cpp/server/secure_server_credentials.h"
     ], 
     "language": "c++", 
     "name": "grpc++", 
     "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
       "src/cpp/client/secure_credentials.cc", 
       "src/cpp/client/secure_credentials.h", 
-      "src/cpp/codegen/grpc_library.cc", 
-      "src/cpp/common/alarm.cc", 
       "src/cpp/common/auth_property_iterator.cc", 
-      "src/cpp/common/call.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/rpc_method.cc", 
+      "src/cpp/common/core_codegen.h", 
       "src/cpp/common/secure_auth_context.cc", 
       "src/cpp/common/secure_auth_context.h", 
       "src/cpp/common/secure_channel_arguments.cc", 
       "src/cpp/common/secure_create_auth_context.cc", 
-      "src/cpp/proto/proto_utils.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
       "src/cpp/server/secure_server_credentials.cc", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
-    ]
+      "src/cpp/server/secure_server_credentials.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [], 
@@ -4178,7 +4265,9 @@
     "src": [
       "test/cpp/util/test_config.cc", 
       "test/cpp/util/test_config.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4197,7 +4286,8 @@
       "test/cpp/util/cli_call.h", 
       "test/cpp/util/create_test_channel.h", 
       "test/cpp/util/string_ref_helper.h", 
-      "test/cpp/util/subprocess.h"
+      "test/cpp/util/subprocess.h", 
+      "test/cpp/util/test_credentials_provider.h"
     ], 
     "language": "c++", 
     "name": "grpc++_test_util", 
@@ -4213,260 +4303,35 @@
       "test/cpp/util/string_ref_helper.cc", 
       "test/cpp/util/string_ref_helper.h", 
       "test/cpp/util/subprocess.cc", 
-      "test/cpp/util/subprocess.h"
-    ]
+      "test/cpp/util/subprocess.h", 
+      "test/cpp/util/test_credentials_provider.cc", 
+      "test/cpp/util/test_credentials_provider.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
       "gpr", 
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen", 
       "grpc_unsecure"
     ], 
-    "headers": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/thread_pool_interface.h"
-    ], 
+    "headers": [], 
     "language": "c++", 
     "name": "grpc++_unsecure", 
     "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
-      "src/cpp/codegen/grpc_library.cc", 
-      "src/cpp/common/alarm.cc", 
-      "src/cpp/common/call.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/insecure_create_auth_context.cc", 
-      "src/cpp/common/rpc_method.cc", 
-      "src/cpp/proto/proto_utils.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
-    ]
+      "src/cpp/common/insecure_create_auth_context.cc"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
-    "deps": [], 
+    "deps": [
+      "grpc++_config"
+    ], 
     "headers": [
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.h", 
       "src/compiler/cpp_generator_helpers.h", 
@@ -4486,58 +4351,6 @@
     "language": "c++", 
     "name": "grpc_plugin_support", 
     "src": [
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.cc", 
       "src/compiler/cpp_generator.h", 
@@ -4558,9 +4371,10 @@
       "src/compiler/ruby_generator.h", 
       "src/compiler/ruby_generator_helpers-inl.h", 
       "src/compiler/ruby_generator_map-inl.h", 
-      "src/compiler/ruby_generator_string-inl.h", 
-      "src/cpp/codegen/grpc_library.cc"
-    ]
+      "src/compiler/ruby_generator_string-inl.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4580,7 +4394,9 @@
     "src": [
       "test/cpp/interop/client_helper.cc", 
       "test/cpp/interop/client_helper.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4608,7 +4424,9 @@
       "test/cpp/interop/client.cc", 
       "test/cpp/interop/interop_client.cc", 
       "test/cpp/interop/interop_client.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4625,7 +4443,9 @@
     "src": [
       "test/cpp/interop/server_helper.cc", 
       "test/cpp/interop/server_helper.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4649,8 +4469,10 @@
     "language": "c++", 
     "name": "interop_server_main", 
     "src": [
-      "test/cpp/interop/server.cc"
-    ]
+      "test/cpp/interop/server_main.cc"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4681,7 +4503,7 @@
       "test/cpp/qps/report.h", 
       "test/cpp/qps/server.h", 
       "test/cpp/qps/stats.h", 
-      "test/cpp/qps/timer.h", 
+      "test/cpp/qps/usage_timer.h", 
       "test/cpp/util/benchmark_config.h"
     ], 
     "language": "c++", 
@@ -4706,11 +4528,13 @@
       "test/cpp/qps/server_async.cc", 
       "test/cpp/qps/server_sync.cc", 
       "test/cpp/qps/stats.h", 
-      "test/cpp/qps/timer.cc", 
-      "test/cpp/qps/timer.h", 
+      "test/cpp/qps/usage_timer.cc", 
+      "test/cpp/qps/usage_timer.h", 
       "test/cpp/util/benchmark_config.cc", 
       "test/cpp/util/benchmark_config.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4722,7 +4546,602 @@
     "name": "grpc_csharp_ext", 
     "src": [
       "src/csharp/ext/grpc_csharp_ext.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "third_party/boringssl/crypto/aes/internal.h", 
+      "third_party/boringssl/crypto/asn1/asn1_locl.h", 
+      "third_party/boringssl/crypto/bio/internal.h", 
+      "third_party/boringssl/crypto/bn/internal.h", 
+      "third_party/boringssl/crypto/bn/rsaz_exp.h", 
+      "third_party/boringssl/crypto/bytestring/internal.h", 
+      "third_party/boringssl/crypto/cipher/internal.h", 
+      "third_party/boringssl/crypto/conf/conf_def.h", 
+      "third_party/boringssl/crypto/conf/internal.h", 
+      "third_party/boringssl/crypto/des/internal.h", 
+      "third_party/boringssl/crypto/dh/internal.h", 
+      "third_party/boringssl/crypto/digest/internal.h", 
+      "third_party/boringssl/crypto/digest/md32_common.h", 
+      "third_party/boringssl/crypto/directory.h", 
+      "third_party/boringssl/crypto/dsa/internal.h", 
+      "third_party/boringssl/crypto/ec/internal.h", 
+      "third_party/boringssl/crypto/ec/p256-x86_64-table.h", 
+      "third_party/boringssl/crypto/evp/internal.h", 
+      "third_party/boringssl/crypto/internal.h", 
+      "third_party/boringssl/crypto/modes/internal.h", 
+      "third_party/boringssl/crypto/obj/obj_dat.h", 
+      "third_party/boringssl/crypto/obj/obj_xref.h", 
+      "third_party/boringssl/crypto/pkcs8/internal.h", 
+      "third_party/boringssl/crypto/rand/internal.h", 
+      "third_party/boringssl/crypto/rsa/internal.h", 
+      "third_party/boringssl/crypto/test/scoped_types.h", 
+      "third_party/boringssl/crypto/test/test_util.h", 
+      "third_party/boringssl/crypto/x509/charmap.h", 
+      "third_party/boringssl/crypto/x509/vpm_int.h", 
+      "third_party/boringssl/crypto/x509v3/ext_dat.h", 
+      "third_party/boringssl/crypto/x509v3/pcy_int.h", 
+      "third_party/boringssl/include/openssl/aead.h", 
+      "third_party/boringssl/include/openssl/aes.h", 
+      "third_party/boringssl/include/openssl/arm_arch.h", 
+      "third_party/boringssl/include/openssl/asn1.h", 
+      "third_party/boringssl/include/openssl/asn1_mac.h", 
+      "third_party/boringssl/include/openssl/asn1t.h", 
+      "third_party/boringssl/include/openssl/base.h", 
+      "third_party/boringssl/include/openssl/base64.h", 
+      "third_party/boringssl/include/openssl/bio.h", 
+      "third_party/boringssl/include/openssl/blowfish.h", 
+      "third_party/boringssl/include/openssl/bn.h", 
+      "third_party/boringssl/include/openssl/buf.h", 
+      "third_party/boringssl/include/openssl/buffer.h", 
+      "third_party/boringssl/include/openssl/bytestring.h", 
+      "third_party/boringssl/include/openssl/cast.h", 
+      "third_party/boringssl/include/openssl/chacha.h", 
+      "third_party/boringssl/include/openssl/cipher.h", 
+      "third_party/boringssl/include/openssl/cmac.h", 
+      "third_party/boringssl/include/openssl/conf.h", 
+      "third_party/boringssl/include/openssl/cpu.h", 
+      "third_party/boringssl/include/openssl/crypto.h", 
+      "third_party/boringssl/include/openssl/curve25519.h", 
+      "third_party/boringssl/include/openssl/des.h", 
+      "third_party/boringssl/include/openssl/dh.h", 
+      "third_party/boringssl/include/openssl/digest.h", 
+      "third_party/boringssl/include/openssl/dsa.h", 
+      "third_party/boringssl/include/openssl/dtls1.h", 
+      "third_party/boringssl/include/openssl/ec.h", 
+      "third_party/boringssl/include/openssl/ec_key.h", 
+      "third_party/boringssl/include/openssl/ecdh.h", 
+      "third_party/boringssl/include/openssl/ecdsa.h", 
+      "third_party/boringssl/include/openssl/engine.h", 
+      "third_party/boringssl/include/openssl/err.h", 
+      "third_party/boringssl/include/openssl/evp.h", 
+      "third_party/boringssl/include/openssl/ex_data.h", 
+      "third_party/boringssl/include/openssl/hkdf.h", 
+      "third_party/boringssl/include/openssl/hmac.h", 
+      "third_party/boringssl/include/openssl/lhash.h", 
+      "third_party/boringssl/include/openssl/lhash_macros.h", 
+      "third_party/boringssl/include/openssl/md4.h", 
+      "third_party/boringssl/include/openssl/md5.h", 
+      "third_party/boringssl/include/openssl/mem.h", 
+      "third_party/boringssl/include/openssl/obj.h", 
+      "third_party/boringssl/include/openssl/obj_mac.h", 
+      "third_party/boringssl/include/openssl/objects.h", 
+      "third_party/boringssl/include/openssl/opensslfeatures.h", 
+      "third_party/boringssl/include/openssl/opensslv.h", 
+      "third_party/boringssl/include/openssl/ossl_typ.h", 
+      "third_party/boringssl/include/openssl/pem.h", 
+      "third_party/boringssl/include/openssl/pkcs12.h", 
+      "third_party/boringssl/include/openssl/pkcs7.h", 
+      "third_party/boringssl/include/openssl/pkcs8.h", 
+      "third_party/boringssl/include/openssl/poly1305.h", 
+      "third_party/boringssl/include/openssl/pqueue.h", 
+      "third_party/boringssl/include/openssl/rand.h", 
+      "third_party/boringssl/include/openssl/rc4.h", 
+      "third_party/boringssl/include/openssl/rsa.h", 
+      "third_party/boringssl/include/openssl/safestack.h", 
+      "third_party/boringssl/include/openssl/sha.h", 
+      "third_party/boringssl/include/openssl/srtp.h", 
+      "third_party/boringssl/include/openssl/ssl.h", 
+      "third_party/boringssl/include/openssl/ssl3.h", 
+      "third_party/boringssl/include/openssl/stack.h", 
+      "third_party/boringssl/include/openssl/stack_macros.h", 
+      "third_party/boringssl/include/openssl/thread.h", 
+      "third_party/boringssl/include/openssl/time_support.h", 
+      "third_party/boringssl/include/openssl/tls1.h", 
+      "third_party/boringssl/include/openssl/type_check.h", 
+      "third_party/boringssl/include/openssl/x509.h", 
+      "third_party/boringssl/include/openssl/x509_vfy.h", 
+      "third_party/boringssl/include/openssl/x509v3.h", 
+      "third_party/boringssl/ssl/internal.h", 
+      "third_party/boringssl/ssl/test/async_bio.h", 
+      "third_party/boringssl/ssl/test/packeted_bio.h", 
+      "third_party/boringssl/ssl/test/scoped_types.h", 
+      "third_party/boringssl/ssl/test/test_config.h"
+    ], 
+    "language": "c", 
+    "name": "boringssl", 
+    "src": [
+      "src/boringssl/err_data.c"
+    ], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_test_util", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_aes_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_asn1_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_base64_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_bio_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_bn_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_bytestring_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_aead_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_cipher_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_cmac_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_constant_time_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_ed25519_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_x25519_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_dh_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_digest_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_dsa_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_ec_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_example_mul_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_ecdsa_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_err_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_evp_extra_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_evp_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pbkdf_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_hkdf_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_hmac_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_lhash_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_gcm_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pkcs12_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_pkcs8_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_poly1305_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_refcount_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_rsa_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_thread_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_pkcs7_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_tab_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_v3name_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "boringssl_pqueue_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_ssl_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "third_party/zlib/crc32.h", 
+      "third_party/zlib/deflate.h", 
+      "third_party/zlib/gzguts.h", 
+      "third_party/zlib/inffast.h", 
+      "third_party/zlib/inffixed.h", 
+      "third_party/zlib/inflate.h", 
+      "third_party/zlib/inftrees.h", 
+      "third_party/zlib/trees.h", 
+      "third_party/zlib/zconf.h", 
+      "third_party/zlib/zlib.h", 
+      "third_party/zlib/zutil.h"
+    ], 
+    "language": "c", 
+    "name": "z", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4739,7 +5158,9 @@
     "src": [
       "test/core/bad_client/bad_client.c", 
       "test/core/bad_client/bad_client.h"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4749,18 +5170,19 @@
       "grpc_test_util"
     ], 
     "headers": [
-      "test/core/bad_ssl/server.h"
+      "test/core/bad_ssl/server_common.h"
     ], 
     "language": "c", 
     "name": "bad_ssl_test_server", 
     "src": [
-      "test/core/bad_ssl/server.c", 
-      "test/core/bad_ssl/server.h"
-    ]
+      "test/core/bad_ssl/server_common.c", 
+      "test/core/bad_ssl/server_common.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
-      "end2end_certs", 
       "gpr", 
       "gpr_test_util", 
       "grpc", 
@@ -4785,23 +5207,24 @@
       "test/core/end2end/tests/cancel_in_a_vacuum.c", 
       "test/core/end2end/tests/cancel_test_helpers.h", 
       "test/core/end2end/tests/cancel_with_status.c", 
-      "test/core/end2end/tests/channel_connectivity.c", 
-      "test/core/end2end/tests/channel_ping.c", 
       "test/core/end2end/tests/compressed_payload.c", 
+      "test/core/end2end/tests/connectivity.c", 
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
+      "test/core/end2end/tests/idempotent_request.c", 
       "test/core/end2end/tests/invoke_large_request.c", 
       "test/core/end2end/tests/large_metadata.c", 
       "test/core/end2end/tests/max_concurrent_streams.c", 
       "test/core/end2end/tests/max_message_length.c", 
-      "test/core/end2end/tests/metadata.c", 
       "test/core/end2end/tests/negative_deadline.c", 
       "test/core/end2end/tests/no_op.c", 
       "test/core/end2end/tests/payload.c", 
+      "test/core/end2end/tests/ping.c", 
       "test/core/end2end/tests/ping_pong_streaming.c", 
       "test/core/end2end/tests/registered_call.c", 
       "test/core/end2end/tests/request_with_flags.c", 
@@ -4810,9 +5233,12 @@
       "test/core/end2end/tests/shutdown_finishes_calls.c", 
       "test/core/end2end/tests/shutdown_finishes_tags.c", 
       "test/core/end2end/tests/simple_delayed_request.c", 
+      "test/core/end2end/tests/simple_metadata.c", 
       "test/core/end2end/tests/simple_request.c", 
       "test/core/end2end/tests/trailing_metadata.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
   }, 
   {
     "deps": [
@@ -4839,23 +5265,24 @@
       "test/core/end2end/tests/cancel_in_a_vacuum.c", 
       "test/core/end2end/tests/cancel_test_helpers.h", 
       "test/core/end2end/tests/cancel_with_status.c", 
-      "test/core/end2end/tests/channel_connectivity.c", 
-      "test/core/end2end/tests/channel_ping.c", 
       "test/core/end2end/tests/compressed_payload.c", 
+      "test/core/end2end/tests/connectivity.c", 
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
+      "test/core/end2end/tests/idempotent_request.c", 
       "test/core/end2end/tests/invoke_large_request.c", 
       "test/core/end2end/tests/large_metadata.c", 
       "test/core/end2end/tests/max_concurrent_streams.c", 
       "test/core/end2end/tests/max_message_length.c", 
-      "test/core/end2end/tests/metadata.c", 
       "test/core/end2end/tests/negative_deadline.c", 
       "test/core/end2end/tests/no_op.c", 
       "test/core/end2end/tests/payload.c", 
+      "test/core/end2end/tests/ping.c", 
       "test/core/end2end/tests/ping_pong_streaming.c", 
       "test/core/end2end/tests/registered_call.c", 
       "test/core/end2end/tests/request_with_flags.c", 
@@ -4864,19 +5291,1165 @@
       "test/core/end2end/tests/shutdown_finishes_calls.c", 
       "test/core/end2end/tests/shutdown_finishes_tags.c", 
       "test/core/end2end/tests/simple_delayed_request.c", 
+      "test/core/end2end/tests/simple_metadata.c", 
       "test/core/end2end/tests/simple_request.c", 
       "test/core/end2end/tests/trailing_metadata.c"
-    ]
+    ], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base"
+    ], 
+    "headers": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/rpc_metric_id.h"
+    ], 
+    "language": "c", 
+    "name": "census", 
+    "src": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/context.c", 
+      "src/core/ext/census/grpc_context.c", 
+      "src/core/ext/census/grpc_filter.c", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/grpc_plugin.c", 
+      "src/core/ext/census/initialize.c", 
+      "src/core/ext/census/mlog.c", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/operation.c", 
+      "src/core/ext/census/placeholders.c", 
+      "src/core/ext/census/rpc_metric_id.h", 
+      "src/core/ext/census/tracing.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr_codegen"
+    ], 
+    "headers": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/load_file.h", 
+      "src/core/lib/support/murmur_hash.h", 
+      "src/core/lib/support/stack_lockfree.h", 
+      "src/core/lib/support/string.h", 
+      "src/core/lib/support/string_win32.h", 
+      "src/core/lib/support/thd_internal.h", 
+      "src/core/lib/support/time_precise.h", 
+      "src/core/lib/support/tmpfile.h"
+    ], 
+    "language": "c", 
+    "name": "gpr_base", 
+    "src": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/basic_timers.c", 
+      "src/core/lib/profiling/stap_timers.c", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/alloc.c", 
+      "src/core/lib/support/avl.c", 
+      "src/core/lib/support/backoff.c", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/cmdline.c", 
+      "src/core/lib/support/cpu_iphone.c", 
+      "src/core/lib/support/cpu_linux.c", 
+      "src/core/lib/support/cpu_posix.c", 
+      "src/core/lib/support/cpu_windows.c", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/env_linux.c", 
+      "src/core/lib/support/env_posix.c", 
+      "src/core/lib/support/env_win32.c", 
+      "src/core/lib/support/histogram.c", 
+      "src/core/lib/support/host_port.c", 
+      "src/core/lib/support/load_file.c", 
+      "src/core/lib/support/load_file.h", 
+      "src/core/lib/support/log.c", 
+      "src/core/lib/support/log_android.c", 
+      "src/core/lib/support/log_linux.c", 
+      "src/core/lib/support/log_posix.c", 
+      "src/core/lib/support/log_win32.c", 
+      "src/core/lib/support/murmur_hash.c", 
+      "src/core/lib/support/murmur_hash.h", 
+      "src/core/lib/support/slice.c", 
+      "src/core/lib/support/slice_buffer.c", 
+      "src/core/lib/support/stack_lockfree.c", 
+      "src/core/lib/support/stack_lockfree.h", 
+      "src/core/lib/support/string.c", 
+      "src/core/lib/support/string.h", 
+      "src/core/lib/support/string_posix.c", 
+      "src/core/lib/support/string_win32.c", 
+      "src/core/lib/support/string_win32.h", 
+      "src/core/lib/support/subprocess_posix.c", 
+      "src/core/lib/support/subprocess_windows.c", 
+      "src/core/lib/support/sync.c", 
+      "src/core/lib/support/sync_posix.c", 
+      "src/core/lib/support/sync_win32.c", 
+      "src/core/lib/support/thd.c", 
+      "src/core/lib/support/thd_internal.h", 
+      "src/core/lib/support/thd_posix.c", 
+      "src/core/lib/support/thd_win32.c", 
+      "src/core/lib/support/time.c", 
+      "src/core/lib/support/time_posix.c", 
+      "src/core/lib/support/time_precise.c", 
+      "src/core/lib/support/time_precise.h", 
+      "src/core/lib/support/time_win32.c", 
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     "headers": [], 
     "language": "c", 
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+    "name": "grpc_lb_policy_pick_first", 
     "src": [
-      "test/core/end2end/data/server1_cert.c", 
-      "test/core/end2end/data/server1_key.c", 
-      "test/core/end2end/data/test_root_cert.c"
-    ]
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+    ], 
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+      "grpc_secure", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_client_secure", 
+    "src": [
+      "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_server_insecure", 
+    "src": [
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_secure", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_server_secure", 
+    "src": [
+      "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "third_party/nanopb/pb.h", 
+      "third_party/nanopb/pb_common.h", 
+      "third_party/nanopb/pb_decode.h", 
+      "third_party/nanopb/pb_encode.h"
+    ], 
+    "language": "c", 
+    "name": "nanopb", 
+    "src": [], 
+    "third_party": false, 
+    "type": "filegroup"
   }
 ]
diff --git a/tools/run_tests/stress_test/README.md b/tools/run_tests/stress_test/README.md
new file mode 100644
index 0000000000..cc82b875cd
--- /dev/null
+++ b/tools/run_tests/stress_test/README.md
@@ -0,0 +1,76 @@
+Running Stress tests on Google Container Engine

+=======================================

+

+### **Glossary**:

+* GCP: Google Cloud Platform

+* GCE: Google Compute Engine

+* GKE: Google Container Engine

+* GCP console: https://console.cloud.google.com

+

+### **Setup Instructions**

+#### *On GCP:*

+1. Login to GCP with your Google account (for example, your @gmail account) at https://cloud.google.com. If do not have a Google account, you will have to create an account first.

+2. Enable billing on Google cloud platform. Instructions [here](https://cloud.google.com/container-engine/docs/before-you-begin)  (see the '*Enable billing*' section).

+3. Create a Project from the [GCP console](https://console.cloud.google.com).i.e Click on the project dropdown box on the top right (to the right of the search box) and click '*Create a project*' option.

+4. Enable the Container Engine API. Instructions [here](https://cloud.google.com/container-engine/docs/before-you-begin)  (See the '*Enable the Container Engine API*’ section). Alternatively, you can do the following:

+    - Click on the '*Products & Services*' icon on the top left (i.e the icon with three small horizontal bars) and select '*API Manager*'

+    - Select the '*Container Engine API*' under '*Google Cloud APIs*' on the main page. Note that you might have to click on '*More*' under '*Google Cloud APIs*' to see the '*Container Engine API*' link

+    - Click on the '*Enable*' button. If the API is already enabled, the button's label would be '*Disable*' instead (do NOT click the button if its label is '*Disable*')

+5. Create a Cluster from the GCP console.

+    - Go to the Container Engine section from GCP console i.e: Click on the '*Products & Services*' icon on the top left (i.e the icon with three small horizontal bars) and click on '*Container Engine*'

+    - Click '*Create Container Cluster*' and follow the instructions.

+    - The instructions for 'Name/Zone/MachineType' etc are [here](https://cloud.google.com/container-engine/docs/clusters/operations) (**NOTE**: The page also has instructions to setting up default clusters and configuring `kubectl`. We will be doing that later)

+    - For the cluster size, a smaller size of < 10 GCE instances is good enough for our use cases - assuming that we are planning to run a reasonably small number of stress client instances. For the machine type, something like '2 vCPUs 7.5 GB' (available in the drop down box) should be good enough.

+    - **IMPORTANT**: Before hitting the '*Create*' button, click on '*More*' link just above the '*Create*' button and Select '*Enabled*' for BigQuery , '*Enabled*' for Cloud Platform and '*Read/Write*' for Cloud User Accounts.

+    - Create the cluster by clicking '*Create*' button.

+

+#### *On your machine* (or the machine from which stress tests on GKE are launched):

+1. You need a working gRPC repository on your machine. If you do not have it, clone the grpc repository from github (https://github.com/grpc/grpc) and follow the instructions [here](https://github.com/grpc/grpc/blob/master/INSTALL.md)

+2. Install Docker. Instructions [here](https://docs.docker.com/engine/installation/)

+3. Install Google Cloud SDK. Instructions [here](https://cloud.google.com/sdk/). This installs the `gcloud` tool

+4. Install `kubectl`, Kubernetes command line tool using `gcloud`. i.e

+    - `$ gcloud components update kubectl`

+    - NOTE: If you are running this from a GCE instance, the command may fail with the following error:

+    ```

+     You cannot perform this action because this Cloud SDK installation is 

+     managed by an external package manager. If you would like to get the

+     latest version, please see our main download page at:

+

+     https://developers.google.com/cloud/sdk/

+

+     ERROR: (gcloud.components.update) The component manager is disabled for this installation

+    ```

+    -- If so, you will have to manually install Cloud SDK by doing the following

+    ```shell

+      $ # The following installs latest Cloud SDK and updates the PATH

+      $ # (Accept the default values when prompted)

+      $ curl https://sdk.cloud.google.com | bash

+      $ exec -l $SHELL

+      $ # Set the defaults. Pick the default GCE credentials when prompted (The service account

+      $ # name will have a name similar to: "xxx-compute@developer.gserviceaccount.com")

+      $ gcloud init

+    ``` 

+

+5. Install Google python client apis:

+    - `‘$ sudo pip install --upgrade google-api-python-client’`

+    -  **Note**: Do `$ sudo apt-get install python-pip` (or `$ easy_install -U pip`) if you do not have pip

+6. Install the `requests` Python package if you don’t have it already by doing `sudo pip install requests`. More details regarding `requests` package are [here](http://docs.python-requests.org/en/master/user/install/)

+7. Set the `gcloud` defaults: See the instructions [here](https://cloud.google.com/container-engine/docs/before-you-begin) under "*Set gcloud defaults*" section)

+    - Make sure you also fetch the cluster credentials for `kubectl` command to use. I.e `$ gcloud container clusters get-credentials CLUSTER_NAME`

+

+### **Launching Stress tests**

+

+The stress tests are launched by the following script (path is relative to GRPC root directory) :

+`tools/run_tests/stress_test/run_stress_tests_on_gke.py`

+

+You can find out more details by using the `--help` flag.

+  - `<grpc_root_dir>$ tools/run_tests/stress_test/run_on_gke.py --help`

+

+> **Example**

+> ```bash

+> $ # Change to the grpc root directory

+> $ cd $GRPC_ROOT

+> $ tools/run_tests/stress_test/run_on_gke.py --project_id=sree-gce --config_file=tools/run_tests/stress_test/configs/opt.json

+> ```

+

+> The above runs the stress test on GKE under the project `sree-gce` in the default cluster (that you set by `gcloud` command earlier). The test settings (like number of client instances, servers, the parmeters to pass, test cases etc) are all loaded from the config file `$GRPC_ROOT/tools/run_tests/stress_test/opt.json`

diff --git a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
new file mode 100644
index 0000000000..62ca8aff2c
--- /dev/null
+++ b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
@@ -0,0 +1,25 @@
+Stress Test client Specification

+=========================

+This document specifies the features a stress test client should implement in order to work with the stress testing framework. The stress test clients are executed against the existing interop test servers.

+

+**Requirements**

+--------------

+**1.** A stress test client should be able to repeatedly execute one or more of the existing 'interop test cases'. It may just be a wrapper around the existing interop test client. The exact command line arguments the client should support are listed in _Table 1_ below.

+

+**2.** The stress test client must implement a metrics server defined by _[metrics.proto](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto)_ and must expose _qps_ as a long-valued Gauge. The client can track the overall _qps_ in one Gauge or in multiple Gauges (for example: One per Channel or Stub).

+ The framework periodically queries the _qps_ by calling the `GetAllGauges()` method (the framework assumes that all the returned Gauges are _qps_ Gauges) and uses this to determine if the stress test client is running or crashed or stalled.

+> *Note:* In this context, the term  _**qps**_  means _interop test cases per second_  (not _messages per second_ or _rpc calls per second_)

+

+

+**Table 1:** Command line arguments that should be supported by the stress test client.

+

+>_**Note** The current C++ [stress client](https://github.com/grpc/grpc/blob/master/test/cpp/interop/stress_test.cc) supports more flags than those listed here but those flags will soon be deprecated._

+

+Parameter             |                    Description

+----------------------|---------------------------------

+`--server_addresses`    | The stress client should accept a list of server addresses in the following format:<br> ```<name_1>:<port_1>,<name_2>:<port_2>..<name_N>:<port_N>``` <br> _Note:_ `<name>` can be either server name or IP address.<br><br>_Type:_ string <br>_default:_ ```localhost:8080``` <br>_Example:_ ``foo.foobar.com:8080,bar.foobar.com:8080`` <br><br> Currently, the stress test framework only passes one server address to the client.

+`--test_cases`        |   List of test cases along with the relative weights in the following format:<br> `<testcase_1:w_1>,<testcase_2:w_2>...<testcase_n:w_n>`. <br> The test cases names are the same as those currently used by the interop clients<br><br>_Type:_ string <br>_Example:_ `empty_unary:20,large_unary:10,empty_stream:70` <br>(The stress client would then make `empty_unary` calls 20% of the time, `large_unary` calls 10% of the time and `empty_stream` calls 70% of the time.) <br>_Note:_ The weights need not add up to 100.

+`--test_duration_secs`      | The test duration in seconds. A value of -1 means that the test should run forever until forcefully terminated. <br>_Type:_ int <br>_default:_ -1

+`--num_channels_per_server` | Number of channels (i.e connections) to each server. <br> _Type:_ int <br> _default:_ 1 <br><br> _Note:_ Unfortunately, the term `channel` is used differently in `grpc-java` and `C based grpc`. In this context, this really means "number of connections to the server"

+`--num_stubs_per_channel `  | Number of client stubs per each connection to server.<br>_Type:_ int <br>_default:_ 1

+`--metrics_port`            | The port at which the stress client exposes [QPS metrics](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto). <br>_Type:_ int <br>_default:_ 8081

diff --git a/tools/run_tests/stress_test/configs/asan.json b/tools/run_tests/stress_test/configs/asan.json
new file mode 100644
index 0000000000..c558855314
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/asan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_asan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "asan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 120,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":120
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_asan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_asan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-asan": {
+        "serverTemplate": "cxx_server_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-asan": {
+        "clientTemplate": "cxx_client_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-asan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8003,
+    "datasetIdNamePrefix": "stress_test_asan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node-cxx.json b/tools/run_tests/stress_test/configs/node-cxx.json
new file mode 100644
index 0000000000..c4245bf9df
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node-cxx.json
@@ -0,0 +1,97 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    },
+   "grpc_stress_node": {
+     "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+     "dockerFileDir": "grpc_interop_stress_node"
+   }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-cxx-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-node": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 20,
+        "serverPodSpec": "stress-server-cxx-opt"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8006,
+    "datasetIdNamePrefix": "stress_test_node_cxx_opt",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node.json b/tools/run_tests/stress_test/configs/node.json
new file mode 100644
index 0000000000..7a48c56a5e
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node.json
@@ -0,0 +1,96 @@
+{
+  "dockerImages": {
+    "grpc_stress_node" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_node"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "node_server": {
+        "baseTemplate": "default",
+        "stressServerCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/interop/interop_server.js"
+        ]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "node-stress-server": {
+        "serverTemplate": "node_server",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "node-stress-client": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 15,
+        "serverPodSpec": "node-stress-server"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8005,
+    "datasetIdNamePrefix": "stress_test_node",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/opt-tsan-asan.json b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
new file mode 100644
index 0000000000..4f172ef30b
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
@@ -0,0 +1,135 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    },
+    "grpc_stress_cxx_tsan": {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "tsan"
+    },
+    "grpc_stress_cxx_asan": {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "asan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs": 60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_opt": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
+      },
+      "cxx_client_tsan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
+      },
+    "cxx_client_asan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      },
+      "cxx_server_tsan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
+      },
+    "cxx_server_asan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      },
+      "stress-server-tsan": {
+        "serverTemplate": "cxx_server_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 1
+      },
+      "stress-server-asan": {
+        "serverTemplate": "cxx_server_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 1
+      }
+   },
+
+    "clientPodSpecs": {
+      "stress-client-opt": {
+        "clientTemplate": "cxx_client_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-opt"
+      },
+      "stress-client-tsan": {
+        "clientTemplate": "cxx_client_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 10,
+        "serverPodSpec": "stress-server-tsan"
+      },
+      "stress-client-asan": {
+        "clientTemplate": "cxx_client_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 10,
+        "serverPodSpec": "stress-server-asan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8004,
+    "datasetIdNamePrefix": "stress_test_opt_tsan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
diff --git a/tools/run_tests/stress_test/configs/opt.json b/tools/run_tests/stress_test/configs/opt.json
new file mode 100644
index 0000000000..75505186f2
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/opt.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs": 60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_opt": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-opt": {
+        "clientTemplate": "cxx_client_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 15,
+        "serverPodSpec": "stress-server-opt"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8001,
+    "datasetIdNamePrefix": "stress_test_opt",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/tsan.json b/tools/run_tests/stress_test/configs/tsan.json
new file mode 100644
index 0000000000..a7ec08313d
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/tsan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_tsan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "tsan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 120,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":120
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_tsan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_tsan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-tsan": {
+        "serverTemplate": "cxx_server_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-tsan": {
+        "clientTemplate": "cxx_client_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-tsan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8002,
+    "datasetIdNamePrefix": "stress_test_tsan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/run_on_gke.py b/tools/run_tests/stress_test/run_on_gke.py
new file mode 100755
index 0000000000..916c890cbd
--- /dev/null
+++ b/tools/run_tests/stress_test/run_on_gke.py
@@ -0,0 +1,658 @@
+#!/usr/bin/env python2.7
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+import argparse
+import datetime
+import json
+import os
+import subprocess
+import sys
+import time
+
+stress_test_utils_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/stress_test'))
+sys.path.append(stress_test_utils_dir)
+from stress_test_utils import BigQueryHelper
+
+kubernetes_api_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/utils'))
+sys.path.append(kubernetes_api_dir)
+
+import kubernetes_api
+
+
+class GlobalSettings:
+
+  def __init__(self, gcp_project_id, build_docker_images,
+               test_poll_interval_secs, test_duration_secs,
+               kubernetes_proxy_port, dataset_id_prefix, summary_table_id,
+               qps_table_id, pod_warmup_secs):
+    self.gcp_project_id = gcp_project_id
+    self.build_docker_images = build_docker_images
+    self.test_poll_interval_secs = test_poll_interval_secs
+    self.test_duration_secs = test_duration_secs
+    self.kubernetes_proxy_port = kubernetes_proxy_port
+    self.dataset_id_prefix = dataset_id_prefix
+    self.summary_table_id = summary_table_id
+    self.qps_table_id = qps_table_id
+    self.pod_warmup_secs = pod_warmup_secs
+
+
+class ClientTemplate:
+  """ Contains all the common settings that are used by a stress client """
+
+  def __init__(self, name, stress_client_cmd, metrics_client_cmd, metrics_port,
+               wrapper_script_path, poll_interval_secs, client_args_dict,
+               metrics_args_dict):
+    self.name = name
+    self.stress_client_cmd = stress_client_cmd
+    self.metrics_client_cmd = metrics_client_cmd
+    self.metrics_port = metrics_port
+    self.wrapper_script_path = wrapper_script_path
+    self.poll_interval_secs = poll_interval_secs
+    self.client_args_dict = client_args_dict
+    self.metrics_args_dict = metrics_args_dict
+
+
+class ServerTemplate:
+  """ Contains all the common settings used by a stress server """
+
+  def __init__(self, name, server_cmd, wrapper_script_path, server_port,
+               server_args_dict):
+    self.name = name
+    self.server_cmd = server_cmd
+    self.wrapper_script_path = wrapper_script_path
+    self.server_port = server_port
+    self.server_args_dict = server_args_dict
+
+
+class DockerImage:
+  """ Represents properties of a Docker image. Provides methods to build the
+  image and push it to GKE registry
+  """
+
+  def __init__(self, gcp_project_id, image_name, build_script_path,
+               dockerfile_dir, build_type):
+    """Args:
+
+      image_name: The docker image name
+      tag_name: The additional tag name. This is the name used when pushing the
+        docker image to GKE registry
+      build_script_path: The path to the build script that builds this docker
+      image
+      dockerfile_dir: The name of the directory under
+      '<grpc_root>/tools/dockerfile' that contains the dockerfile
+    """
+    self.image_name = image_name
+    self.gcp_project_id = gcp_project_id
+    self.build_script_path = build_script_path
+    self.dockerfile_dir = dockerfile_dir
+    self.build_type = build_type
+    self.tag_name = self._make_tag_name(gcp_project_id, image_name)
+
+  def _make_tag_name(self, project_id, image_name):
+    return 'gcr.io/%s/%s' % (project_id, image_name)
+
+  def build_image(self):
+    print 'Building docker image: %s (tag: %s)' % (self.image_name,
+                                                   self.tag_name)
+    os.environ['INTEROP_IMAGE'] = self.image_name
+    os.environ['INTEROP_IMAGE_REPOSITORY_TAG'] = self.tag_name
+    os.environ['BASE_NAME'] = self.dockerfile_dir
+    os.environ['BUILD_TYPE'] = self.build_type
+    print 'DEBUG: path: ', self.build_script_path
+    if subprocess.call(args=[self.build_script_path]) != 0:
+      print 'Error in building the Docker image'
+      return False
+    return True
+
+  def push_to_gke_registry(self):
+    cmd = ['gcloud', 'docker', 'push', self.tag_name]
+    print 'Pushing %s to the GKE registry..' % self.tag_name
+    if subprocess.call(args=cmd) != 0:
+      print 'Error in pushing the image %s to the GKE registry' % self.tag_name
+      return False
+    return True
+
+
+class ServerPodSpec:
+  """ Contains the information required to launch server pods. """
+
+  def __init__(self, name, server_template, docker_image, num_instances):
+    self.name = name
+    self.template = server_template
+    self.docker_image = docker_image
+    self.num_instances = num_instances
+
+  def pod_names(self):
+    """ Return a list of names of server pods to create. """
+    return ['%s-%d' % (self.name, i) for i in range(1, self.num_instances + 1)]
+
+  def server_addresses(self):
+    """ Return string of server addresses in the following format:
+      '<server_pod_name_1>:<server_port>,<server_pod_name_2>:<server_port>...'
+    """
+    return ','.join(['%s:%d' % (pod_name, self.template.server_port)
+                     for pod_name in self.pod_names()])
+
+
+class ClientPodSpec:
+  """ Contains the information required to launch client pods """
+
+  def __init__(self, name, client_template, docker_image, num_instances,
+               server_addresses):
+    self.name = name
+    self.template = client_template
+    self.docker_image = docker_image
+    self.num_instances = num_instances
+    self.server_addresses = server_addresses
+
+  def pod_names(self):
+    """ Return a list of names of client pods to create """
+    return ['%s-%d' % (self.name, i) for i in range(1, self.num_instances + 1)]
+
+  # The client args in the template do not have server addresses. This function
+  # adds the server addresses and returns the updated client args
+  def get_client_args_dict(self):
+    args_dict = self.template.client_args_dict.copy()
+    args_dict['server_addresses'] = self.server_addresses
+    return args_dict
+
+
+class Gke:
+  """ Class that has helper methods to interact with GKE """
+
+  class KubernetesProxy:
+    """Class to start a proxy on localhost to talk to the Kubernetes API server"""
+
+    def __init__(self, port):
+      cmd = ['kubectl', 'proxy', '--port=%d' % port]
+      self.p = subprocess.Popen(args=cmd)
+      time.sleep(2)
+      print '\nStarted kubernetes proxy on port: %d' % port
+
+    def __del__(self):
+      if self.p is not None:
+        print 'Shutting down Kubernetes proxy..'
+        self.p.kill()
+
+  def __init__(self, project_id, run_id, dataset_id, summary_table_id,
+               qps_table_id, kubernetes_port):
+    self.project_id = project_id
+    self.run_id = run_id
+    self.dataset_id = dataset_id
+    self.summary_table_id = summary_table_id
+    self.qps_table_id = qps_table_id
+
+    # The environment variables we would like to pass to every pod (both client
+    # and server) launched in GKE
+    self.gke_env = {
+        'RUN_ID': self.run_id,
+        'GCP_PROJECT_ID': self.project_id,
+        'DATASET_ID': self.dataset_id,
+        'SUMMARY_TABLE_ID': self.summary_table_id,
+        'QPS_TABLE_ID': self.qps_table_id
+    }
+
+    self.kubernetes_port = kubernetes_port
+    # Start kubernetes proxy
+    self.kubernetes_proxy = Gke.KubernetesProxy(kubernetes_port)
+
+  def _args_dict_to_str(self, args_dict):
+    return ' '.join('--%s=%s' % (k, args_dict[k]) for k in args_dict.keys())
+
+  def launch_servers(self, server_pod_spec):
+    is_success = True
+
+    # The command to run inside the container is the wrapper script (which then
+    # launches the actual server)
+    container_cmd = server_pod_spec.template.wrapper_script_path
+
+    # The parameters to the wrapper script (defined in
+    # server_pod_spec.template.wrapper_script_path) are are injected into the
+    # container via environment variables
+    server_env = self.gke_env.copy()
+    server_env.update({
+        'STRESS_TEST_IMAGE_TYPE': 'SERVER',
+        'STRESS_TEST_CMD': server_pod_spec.template.server_cmd,
+        'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
+            server_pod_spec.template.server_args_dict)
+    })
+
+    for pod_name in server_pod_spec.pod_names():
+      server_env['POD_NAME'] = pod_name
+      print 'Creating server: %s' % pod_name
+      is_success = kubernetes_api.create_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # Use 'default' namespace
+          pod_name,
+          server_pod_spec.docker_image.tag_name,
+          [server_pod_spec.template.server_port],  # Ports to expose on the pod
+          [container_cmd],
+          [],  # Args list is empty since we are passing all args via env variables
+          server_env,
+          True  # Headless = True for server to that GKE creates a DNS record for pod_name
+      )
+      if not is_success:
+        print 'Error in launching server: %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully created server(s)'
+
+    return is_success
+
+  def launch_clients(self, client_pod_spec):
+    is_success = True
+
+    # The command to run inside the container is the wrapper script (which then
+    # launches the actual stress client)
+    container_cmd = client_pod_spec.template.wrapper_script_path
+
+    # The parameters to the wrapper script (defined in
+    # client_pod_spec.template.wrapper_script_path) are are injected into the
+    # container via environment variables
+    client_env = self.gke_env.copy()
+    client_env.update({
+        'STRESS_TEST_IMAGE_TYPE': 'CLIENT',
+        'STRESS_TEST_CMD': client_pod_spec.template.stress_client_cmd,
+        'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
+            client_pod_spec.get_client_args_dict()),
+        'METRICS_CLIENT_CMD': client_pod_spec.template.metrics_client_cmd,
+        'METRICS_CLIENT_ARGS_STR': self._args_dict_to_str(
+            client_pod_spec.template.metrics_args_dict),
+        'POLL_INTERVAL_SECS': str(client_pod_spec.template.poll_interval_secs)
+    })
+
+    for pod_name in client_pod_spec.pod_names():
+      client_env['POD_NAME'] = pod_name
+      print 'Creating client: %s' % pod_name
+      is_success = kubernetes_api.create_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # default namespace,
+          pod_name,
+          client_pod_spec.docker_image.tag_name,
+          [client_pod_spec.template.metrics_port],  # Ports to expose on the pod
+          [container_cmd],
+          [],  # Empty args list since all args are passed via env variables
+          client_env,
+          False  # Client is not a headless service.
+      )
+
+      if not is_success:
+        print 'Error in launching client %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully created all client(s)'
+
+    return is_success
+
+  def _delete_pods(self, pod_name_list):
+    is_success = True
+    for pod_name in pod_name_list:
+      print 'Deleting %s' % pod_name
+      is_success = kubernetes_api.delete_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # default namespace
+          pod_name)
+
+      if not is_success:
+        print 'Error in deleting pod %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully deleted all pods'
+
+    return is_success
+
+  def delete_servers(self, server_pod_spec):
+    return self._delete_pods(server_pod_spec.pod_names())
+
+  def delete_clients(self, client_pod_spec):
+    return self._delete_pods(client_pod_spec.pod_names())
+
+
+class Config:
+
+  def __init__(self, config_filename, gcp_project_id):
+    print 'Loading configuration...'
+    config_dict = self._load_config(config_filename)
+
+    self.global_settings = self._parse_global_settings(config_dict,
+                                                       gcp_project_id)
+    self.docker_images_dict = self._parse_docker_images(
+        config_dict, self.global_settings.gcp_project_id)
+    self.client_templates_dict = self._parse_client_templates(config_dict)
+    self.server_templates_dict = self._parse_server_templates(config_dict)
+    self.server_pod_specs_dict = self._parse_server_pod_specs(
+        config_dict, self.docker_images_dict, self.server_templates_dict)
+    self.client_pod_specs_dict = self._parse_client_pod_specs(
+        config_dict, self.docker_images_dict, self.client_templates_dict,
+        self.server_pod_specs_dict)
+    print 'Loaded Configuaration.'
+
+  def _parse_global_settings(self, config_dict, gcp_project_id):
+    global_settings_dict = config_dict['globalSettings']
+    return GlobalSettings(gcp_project_id,
+                          global_settings_dict['buildDockerImages'],
+                          global_settings_dict['pollIntervalSecs'],
+                          global_settings_dict['testDurationSecs'],
+                          global_settings_dict['kubernetesProxyPort'],
+                          global_settings_dict['datasetIdNamePrefix'],
+                          global_settings_dict['summaryTableId'],
+                          global_settings_dict['qpsTableId'],
+                          global_settings_dict['podWarmupSecs'])
+
+  def _parse_docker_images(self, config_dict, gcp_project_id):
+    """Parses the 'dockerImages' section of the config file and returns a
+    Dictionary of 'DockerImage' objects keyed by docker image names"""
+    docker_images_dict = {}
+
+    docker_config_dict = config_dict['dockerImages']
+    for image_name in docker_config_dict.keys():
+      build_script_path = docker_config_dict[image_name]['buildScript']
+      dockerfile_dir = docker_config_dict[image_name]['dockerFileDir']
+      build_type = docker_config_dict[image_name].get('buildType', 'opt')
+      docker_images_dict[image_name] = DockerImage(gcp_project_id, image_name,
+                                                   build_script_path,
+                                                   dockerfile_dir, build_type)
+    return docker_images_dict
+
+  def _parse_client_templates(self, config_dict):
+    """Parses the 'clientTemplates' section of the config file and returns a
+    Dictionary of 'ClientTemplate' objects keyed by client template names.
+
+    Note: The 'baseTemplates' sub section of the config file contains templates
+    with default values  and the 'templates' sub section contains the actual
+    client templates (which refer to the base template name to use for default
+    values).
+    """
+    client_templates_dict = {}
+
+    templates_dict = config_dict['clientTemplates']['templates']
+    base_templates_dict = config_dict['clientTemplates'].get('baseTemplates',
+                                                             {})
+    for template_name in templates_dict.keys():
+      # temp_dict is a temporary dictionary that merges base template dictionary
+      # and client template dictionary (with client template dictionary values
+      # overriding base template values)
+      temp_dict = {}
+
+      base_template_name = templates_dict[template_name].get('baseTemplate')
+      if not base_template_name is None:
+        temp_dict = base_templates_dict[base_template_name].copy()
+
+      temp_dict.update(templates_dict[template_name])
+
+      # Create and add ClientTemplate object to the final client_templates_dict
+      stress_client_cmd = ' '.join(temp_dict['stressClientCmd'])
+      metrics_client_cmd = ' '.join(temp_dict['metricsClientCmd'])
+      client_templates_dict[template_name] = ClientTemplate(
+          template_name, stress_client_cmd, metrics_client_cmd,
+          temp_dict['metricsPort'], temp_dict['wrapperScriptPath'],
+          temp_dict['pollIntervalSecs'], temp_dict['clientArgs'].copy(),
+          temp_dict['metricsArgs'].copy())
+
+    return client_templates_dict
+
+  def _parse_server_templates(self, config_dict):
+    """Parses the 'serverTemplates' section of the config file and returns a
+    Dictionary of 'serverTemplate' objects keyed by server template names.
+
+    Note: The 'baseTemplates' sub section of the config file contains templates
+    with default values  and the 'templates' sub section contains the actual
+    server templates (which refer to the base template name to use for default
+    values).
+    """
+    server_templates_dict = {}
+
+    templates_dict = config_dict['serverTemplates']['templates']
+    base_templates_dict = config_dict['serverTemplates'].get('baseTemplates',
+                                                             {})
+
+    for template_name in templates_dict.keys():
+      # temp_dict is a temporary dictionary that merges base template dictionary
+      # and server template dictionary (with server template dictionary values
+      # overriding base template values)
+      temp_dict = {}
+
+      base_template_name = templates_dict[template_name].get('baseTemplate')
+      if not base_template_name is None:
+        temp_dict = base_templates_dict[base_template_name].copy()
+
+      temp_dict.update(templates_dict[template_name])
+
+      # Create and add ServerTemplate object to the final server_templates_dict
+      stress_server_cmd = ' '.join(temp_dict['stressServerCmd'])
+      server_templates_dict[template_name] = ServerTemplate(
+          template_name, stress_server_cmd, temp_dict['wrapperScriptPath'],
+          temp_dict['serverPort'], temp_dict['serverArgs'].copy())
+
+    return server_templates_dict
+
+  def _parse_server_pod_specs(self, config_dict, docker_images_dict,
+                              server_templates_dict):
+    """Parses the 'serverPodSpecs' sub-section (under 'testMatrix' section) of
+    the config file and returns a Dictionary of 'ServerPodSpec' objects keyed
+    by server pod spec names"""
+    server_pod_specs_dict = {}
+
+    pod_specs_dict = config_dict['testMatrix'].get('serverPodSpecs', {})
+
+    for pod_name in pod_specs_dict.keys():
+      server_template_name = pod_specs_dict[pod_name]['serverTemplate']
+      docker_image_name = pod_specs_dict[pod_name]['dockerImage']
+      num_instances = pod_specs_dict[pod_name].get('numInstances', 1)
+
+      # Create and add the ServerPodSpec object to the final
+      # server_pod_specs_dict
+      server_pod_specs_dict[pod_name] = ServerPodSpec(
+          pod_name, server_templates_dict[server_template_name],
+          docker_images_dict[docker_image_name], num_instances)
+
+    return server_pod_specs_dict
+
+  def _parse_client_pod_specs(self, config_dict, docker_images_dict,
+                              client_templates_dict, server_pod_specs_dict):
+    """Parses the 'clientPodSpecs' sub-section (under 'testMatrix' section) of
+    the config file and returns a Dictionary of 'ClientPodSpec' objects keyed
+    by client pod spec names"""
+    client_pod_specs_dict = {}
+
+    pod_specs_dict = config_dict['testMatrix'].get('clientPodSpecs', {})
+    for pod_name in pod_specs_dict.keys():
+      client_template_name = pod_specs_dict[pod_name]['clientTemplate']
+      docker_image_name = pod_specs_dict[pod_name]['dockerImage']
+      num_instances = pod_specs_dict[pod_name]['numInstances']
+
+      # Get the server addresses from the server pod spec object
+      server_pod_spec_name = pod_specs_dict[pod_name]['serverPodSpec']
+      server_addresses = server_pod_specs_dict[
+          server_pod_spec_name].server_addresses()
+
+      client_pod_specs_dict[pod_name] = ClientPodSpec(
+          pod_name, client_templates_dict[client_template_name],
+          docker_images_dict[docker_image_name], num_instances,
+          server_addresses)
+
+    return client_pod_specs_dict
+
+  def _load_config(self, config_filename):
+    """Opens the config file and converts the Json text to Dictionary"""
+    if not os.path.isabs(config_filename):
+      raise Exception('Config objects expects an absolute file path. '
+                      'config file name passed: %s' % config_filename)
+    with open(config_filename) as config_file:
+      return json.load(config_file)
+
+
+def run_tests(config):
+  """ The main function that launches the stress tests """
+  # Build docker images and push to GKE registry
+  if config.global_settings.build_docker_images:
+    for name, docker_image in config.docker_images_dict.iteritems():
+      if not (docker_image.build_image() and
+              docker_image.push_to_gke_registry()):
+        return False
+
+  # Create a unique id for this run (Note: Using timestamp instead of UUID to
+  # make it easier to deduce the date/time of the run just by looking at the run
+  # run id. This is useful in debugging when looking at records in Biq query)
+  run_id = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
+  dataset_id = '%s_%s' % (config.global_settings.dataset_id_prefix, run_id)
+  print 'Run id:', run_id
+  print 'Dataset id:', dataset_id
+
+  bq_helper = BigQueryHelper(run_id, '', '',
+                             config.global_settings.gcp_project_id, dataset_id,
+                             config.global_settings.summary_table_id,
+                             config.global_settings.qps_table_id)
+  bq_helper.initialize()
+
+  gke = Gke(config.global_settings.gcp_project_id, run_id, dataset_id,
+            config.global_settings.summary_table_id,
+            config.global_settings.qps_table_id,
+            config.global_settings.kubernetes_proxy_port)
+
+  is_success = True
+
+  try:
+    print 'Launching servers..'
+    for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+      if not gke.launch_servers(server_pod_spec):
+        is_success = False  # is_success is checked in the 'finally' block
+        return False
+
+    print('Launched servers. Waiting for %d seconds for the server pods to be '
+          'fully online') % config.global_settings.pod_warmup_secs
+    time.sleep(config.global_settings.pod_warmup_secs)
+
+    for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+      if not gke.launch_clients(client_pod_spec):
+        is_success = False  # is_success is checked in the 'finally' block
+        return False
+
+    print('Launched all clients. Waiting for %d seconds for the client pods to '
+          'be fully online') % config.global_settings.pod_warmup_secs
+    time.sleep(config.global_settings.pod_warmup_secs)
+
+    start_time = datetime.datetime.now()
+    end_time = start_time + datetime.timedelta(
+        seconds=config.global_settings.test_duration_secs)
+    print 'Running the test until %s' % end_time.isoformat()
+
+    while True:
+      if datetime.datetime.now() > end_time:
+        print 'Test was run for %d seconds' % config.global_settings.test_duration_secs
+        break
+
+      # Check if either stress server or clients have failed (btw, the bq_helper
+      # monitors all the rows in the summary table and checks if any of them
+      # have a failure status)
+      if bq_helper.check_if_any_tests_failed():
+        is_success = False
+        print 'Some tests failed.'
+        break  # Don't 'return' here. We still want to call bq_helper to print qps/summary tables
+
+      # Tests running fine. Wait until next poll time to check the status
+      print 'Sleeping for %d seconds..' % config.global_settings.test_poll_interval_secs
+      time.sleep(config.global_settings.test_poll_interval_secs)
+
+    # Print BiqQuery tables
+    bq_helper.print_qps_records()
+    bq_helper.print_summary_records()
+
+  finally:
+    # If there was a test failure, we should not delete the pods since they
+    # would contain useful debug information (logs, core dumps etc)
+    if is_success:
+      for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+        gke.delete_servers(server_pod_spec)
+      for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+        gke.delete_clients(client_pod_spec)
+
+  return is_success
+
+
+def tear_down(config):
+  gke = Gke(config.global_settings.gcp_project_id, '', '',
+            config.global_settings.summary_table_id,
+            config.global_settings.qps_table_id,
+            config.global_settings.kubernetes_proxy_port)
+  for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+    gke.delete_servers(server_pod_spec)
+  for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+    gke.delete_clients(client_pod_spec)
+
+
+argp = argparse.ArgumentParser(
+    description='Launch stress tests in GKE',
+    formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+argp.add_argument('--gcp_project_id',
+                  required=True,
+                  help='The Google Cloud Platform Project Id')
+argp.add_argument('--config_file',
+                  required=True,
+                  type=str,
+                  help='The test config file')
+argp.add_argument('--tear_down', action='store_true', default=False)
+
+if __name__ == '__main__':
+  args = argp.parse_args()
+
+  config_filename = args.config_file
+
+  # Since we will be changing the current working directory to grpc root in the
+  # next step, we should check if the config filename path is a relative path
+  # (i.e a path relative to the current working directory) and if so, convert it
+  # to abosulte path
+  if not os.path.isabs(config_filename):
+    config_filename = os.path.abspath(config_filename)
+
+  config = Config(config_filename, args.gcp_project_id)
+
+  # Change current working directory to grpc root
+  # (This is important because all relative file paths in the config file are
+  # supposed to interpreted as relative to the GRPC root)
+  grpc_root = os.path.abspath(os.path.join(
+      os.path.dirname(sys.argv[0]), '../../..'))
+  os.chdir(grpc_root)
+
+  # Note that tear_down is only in cases where we want to manually tear down a
+  # test that for some reason run_tests() could not cleanup
+  if args.tear_down:
+    tear_down(config)
+    sys.exit(1)
+
+  if not run_tests(config):
+    sys.exit(1)
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index ea9c129101..f4a76dedb1 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -12,6 +12,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "alarm_test", 
     "platforms": [
@@ -32,6 +33,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "algorithm_test", 
     "platforms": [
@@ -52,6 +54,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "alloc_test", 
     "platforms": [
@@ -72,6 +75,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "alpn_test", 
     "platforms": [
@@ -92,6 +96,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "bin_encoder_test", 
     "platforms": [
@@ -112,6 +117,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "census_context_test", 
     "platforms": [
@@ -132,8 +138,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "census_log_test", 
+    "name": "channel_create_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -152,8 +159,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "channel_create_test", 
+    "name": "chttp2_hpack_encoder_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -172,8 +180,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "chttp2_hpack_encoder_test", 
+    "name": "chttp2_status_conversion_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -192,8 +201,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "chttp2_status_conversion_test", 
+    "name": "chttp2_stream_map_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -212,8 +222,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "chttp2_stream_map_test", 
+    "name": "chttp2_varint_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -232,8 +243,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "chttp2_varint_test", 
+    "name": "compression_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -252,8 +264,30 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "compression_test", 
+    "name": "concurrent_connectivity_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "dns_resolver_connectivity_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -272,6 +306,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "dns_resolver_test", 
     "platforms": [
@@ -291,6 +326,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "dualstack_socket_test", 
     "platforms": [
@@ -310,6 +346,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "endpoint_pair_test", 
     "platforms": [
@@ -329,6 +366,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "fd_conservation_posix_test", 
     "platforms": [
@@ -347,6 +385,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "fd_posix_test", 
     "platforms": [
@@ -365,6 +404,7 @@
     "cpu_cost": 2, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "fling_stream_test", 
     "platforms": [
@@ -383,6 +423,7 @@
     "cpu_cost": 2, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "fling_test", 
     "platforms": [
@@ -396,12 +437,32 @@
     "ci_platforms": [
       "linux", 
       "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "goaway_server_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
       "posix", 
       "windows"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_avl_test", 
     "platforms": [
@@ -422,6 +483,28 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "gpr_backoff_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_cmdline_test", 
     "platforms": [
@@ -442,6 +525,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_cpu_test", 
     "platforms": [
@@ -462,6 +546,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_env_test", 
     "platforms": [
@@ -482,8 +567,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "gpr_file_test", 
+    "name": "gpr_histogram_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -502,8 +588,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "gpr_histogram_test", 
+    "name": "gpr_host_port_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -522,8 +609,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "gpr_host_port_test", 
+    "name": "gpr_load_file_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -542,6 +630,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_log_test", 
     "platforms": [
@@ -562,6 +651,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_slice_buffer_test", 
     "platforms": [
@@ -582,6 +672,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_slice_test", 
     "platforms": [
@@ -602,6 +693,7 @@
     "cpu_cost": 10, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_stack_lockfree_test", 
     "platforms": [
@@ -622,6 +714,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_string_test", 
     "platforms": [
@@ -642,6 +735,7 @@
     "cpu_cost": 10, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_sync_test", 
     "platforms": [
@@ -662,6 +756,7 @@
     "cpu_cost": 10, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_thd_test", 
     "platforms": [
@@ -682,6 +777,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_time_test", 
     "platforms": [
@@ -702,6 +798,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_tls_test", 
     "platforms": [
@@ -722,6 +819,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "gpr_useful_test", 
     "platforms": [
@@ -742,6 +840,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_auth_context_test", 
     "platforms": [
@@ -762,8 +861,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "grpc_base64_test", 
+    "name": "grpc_b64_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -782,6 +882,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_byte_buffer_reader_test", 
     "platforms": [
@@ -802,6 +903,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_channel_args_test", 
     "platforms": [
@@ -822,6 +924,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_channel_stack_test", 
     "platforms": [
@@ -842,6 +945,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_completion_queue_test", 
     "platforms": [
@@ -862,6 +966,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_credentials_test", 
     "platforms": [
@@ -882,6 +987,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_invalid_channel_args_test", 
     "platforms": [
@@ -901,6 +1007,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_json_token_test", 
     "platforms": [
@@ -920,6 +1027,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_jwt_verifier_test", 
     "platforms": [
@@ -940,6 +1048,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "grpc_security_connector_test", 
     "platforms": [
@@ -960,6 +1069,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "hpack_parser_test", 
     "platforms": [
@@ -980,6 +1090,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "hpack_table_test", 
     "platforms": [
@@ -1000,8 +1111,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_parser_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1020,8 +1132,9 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "httpcli_format_request_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1039,6 +1152,7 @@
     "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "httpcli_test", 
     "platforms": [
@@ -1055,6 +1169,7 @@
     "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "httpscli_test", 
     "platforms": [
@@ -1072,6 +1187,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "init_test", 
     "platforms": [
@@ -1092,6 +1208,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "invalid_call_argument_test", 
     "platforms": [
@@ -1112,6 +1229,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "json_rewrite_test", 
     "platforms": [
@@ -1132,6 +1250,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "json_stream_error_test", 
     "platforms": [
@@ -1152,6 +1271,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "json_test", 
     "platforms": [
@@ -1172,6 +1292,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "lame_client_test", 
     "platforms": [
@@ -1191,7 +1312,8 @@
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
-    "flaky": false, 
+    "flaky": true, 
+    "gtest": false, 
     "language": "c", 
     "name": "lb_policies_test", 
     "platforms": [
@@ -1212,6 +1334,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "message_compress_test", 
     "platforms": [
@@ -1231,7 +1354,29 @@
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
+    "flaky": true, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "mlog_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "multiple_server_queues_test", 
     "platforms": [
@@ -1252,6 +1397,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "murmur_hash_test", 
     "platforms": [
@@ -1272,6 +1418,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "no_server_test", 
     "platforms": [
@@ -1292,6 +1439,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "resolve_address_test", 
     "platforms": [
@@ -1312,6 +1460,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "secure_channel_create_test", 
     "platforms": [
@@ -1332,6 +1481,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "secure_endpoint_test", 
     "platforms": [
@@ -1352,6 +1502,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "server_chttp2_test", 
     "platforms": [
@@ -1372,6 +1523,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "server_test", 
     "platforms": [
@@ -1392,6 +1544,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "set_initial_connect_string_test", 
     "platforms": [
@@ -1412,6 +1565,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "sockaddr_resolver_test", 
     "platforms": [
@@ -1432,6 +1586,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "sockaddr_utils_test", 
     "platforms": [
@@ -1451,6 +1606,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "socket_utils_test", 
     "platforms": [
@@ -1469,6 +1625,7 @@
     "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "tcp_client_posix_test", 
     "platforms": [
@@ -1487,6 +1644,7 @@
     "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "tcp_posix_test", 
     "platforms": [
@@ -1505,6 +1663,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "tcp_server_posix_test", 
     "platforms": [
@@ -1524,6 +1683,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "time_averaged_stats_test", 
     "platforms": [
@@ -1544,6 +1704,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "timeout_encoding_test", 
     "platforms": [
@@ -1564,6 +1725,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "timer_heap_test", 
     "platforms": [
@@ -1584,6 +1746,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "timer_list_test", 
     "platforms": [
@@ -1604,6 +1767,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "timers_test", 
     "platforms": [
@@ -1624,6 +1788,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "transport_connectivity_state_test", 
     "platforms": [
@@ -1644,6 +1809,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "transport_metadata_test", 
     "platforms": [
@@ -1663,6 +1829,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "transport_security_test", 
     "platforms": [
@@ -1681,6 +1848,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "udp_server_test", 
     "platforms": [
@@ -1700,6 +1868,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "uri_parser_test", 
     "platforms": [
@@ -1719,6 +1888,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "workqueue_test", 
     "platforms": [
@@ -1738,6 +1908,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "alarm_cpp_test", 
     "platforms": [
@@ -1758,6 +1929,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "async_end2end_test", 
     "platforms": [
@@ -1777,6 +1949,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "async_streaming_ping_pong_test", 
     "platforms": [
@@ -1795,6 +1968,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "async_unary_ping_pong_test", 
     "platforms": [
@@ -1814,6 +1988,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "auth_property_iterator_test", 
     "platforms": [
@@ -1834,6 +2009,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "channel_arguments_test", 
     "platforms": [
@@ -1854,6 +2030,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "cli_call_test", 
     "platforms": [
@@ -1873,6 +2050,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "client_crash_test", 
     "platforms": [
@@ -1892,6 +2070,49 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
+    "language": "c++", 
+    "name": "codegen_test_full", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": true, 
+    "language": "c++", 
+    "name": "codegen_test_minimal", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "credentials_test", 
     "platforms": [
@@ -1912,6 +2133,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "cxx_byte_buffer_test", 
     "platforms": [
@@ -1932,6 +2154,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "cxx_slice_test", 
     "platforms": [
@@ -1952,6 +2175,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "cxx_string_ref_test", 
     "platforms": [
@@ -1972,6 +2196,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "cxx_time_test", 
     "platforms": [
@@ -1992,6 +2217,7 @@
     "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "end2end_test", 
     "platforms": [
@@ -2011,6 +2237,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "generic_async_streaming_ping_pong_test", 
     "platforms": [
@@ -2030,6 +2257,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "generic_end2end_test", 
     "platforms": [
@@ -2050,6 +2278,28 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
+    "language": "c++", 
+    "name": "grpclb_api_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "hybrid_end2end_test", 
     "platforms": [
@@ -2069,6 +2319,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "interop_test", 
     "platforms": [
@@ -2088,6 +2339,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "mock_test", 
     "platforms": [
@@ -2104,9 +2356,10 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.5, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "qps_openloop_test", 
     "platforms": [
@@ -2123,10 +2376,9 @@
       "posix"
     ], 
     "cpu_cost": 10, 
-    "exclude_configs": [
-      "tsan"
-    ], 
+    "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "qps_test", 
     "platforms": [
@@ -2146,6 +2398,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "secure_auth_context_test", 
     "platforms": [
@@ -2165,6 +2418,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "secure_sync_unary_ping_pong_test", 
     "platforms": [
@@ -2183,6 +2437,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "server_crash_test", 
     "platforms": [
@@ -2202,6 +2457,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "shutdown_test", 
     "platforms": [
@@ -2222,6 +2478,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "status_test", 
     "platforms": [
@@ -2241,6 +2498,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "streaming_throughput_test", 
     "platforms": [
@@ -2259,6 +2517,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "sync_streaming_ping_pong_test", 
     "platforms": [
@@ -2277,6 +2536,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c++", 
     "name": "sync_unary_ping_pong_test", 
     "platforms": [
@@ -2296,6 +2556,7 @@
     "cpu_cost": 100, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": true, 
     "language": "c++", 
     "name": "thread_stress_test", 
     "platforms": [
@@ -2316,6 +2577,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c89", 
     "name": "public_headers_must_be_c89", 
     "platforms": [
@@ -2336,6 +2598,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "badreq_bad_client_test", 
     "platforms": [
@@ -2356,6 +2619,7 @@
     "cpu_cost": 0.2, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "connection_prefix_bad_client_test", 
     "platforms": [
@@ -2373,9 +2637,31 @@
       "posix", 
       "windows"
     ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "cpu_cost": 0.2, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "headers_bad_client_test", 
     "platforms": [
@@ -2396,6 +2682,7 @@
     "cpu_cost": 0.2, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "initial_settings_frame_bad_client_test", 
     "platforms": [
@@ -2416,6 +2703,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "server_registered_method_bad_client_test", 
     "platforms": [
@@ -2436,6 +2724,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "simple_request_bad_client_test", 
     "platforms": [
@@ -2456,6 +2745,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "unknown_frame_bad_client_test", 
     "platforms": [
@@ -2476,6 +2766,7 @@
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "window_overflow_bad_client_test", 
     "platforms": [
@@ -2495,6 +2786,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "bad_ssl_alpn_test", 
     "platforms": [
@@ -2513,6 +2805,7 @@
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
+    "gtest": false, 
     "language": "c", 
     "name": "bad_ssl_cert_test", 
     "platforms": [
@@ -2561,6 +2854,30 @@
     ], 
     "flaky": false, 
     "language": "c++", 
+    "name": "boringssl_asn1_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [
+      "asan"
+    ], 
+    "flaky": false, 
+    "language": "c++", 
     "name": "boringssl_base64_test", 
     "platforms": [
       "linux", 
@@ -4219,7 +4536,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4241,7 +4558,7 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4249,7 +4566,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -4263,7 +4580,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4271,7 +4588,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -4285,7 +4602,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4307,7 +4624,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4329,7 +4646,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4417,6 +4734,28 @@
   }, 
   {
     "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "invoke_large_request"
     ], 
     "ci_platforms": [
@@ -4505,7 +4844,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4527,7 +4866,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4549,7 +4888,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4557,7 +4896,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -4571,7 +4910,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -4579,7 +4918,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -4769,6 +5108,28 @@
   }, 
   {
     "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "simple_request"
     ], 
     "ci_platforms": [
@@ -5011,7 +5372,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5033,7 +5394,7 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5041,7 +5402,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5055,7 +5416,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5063,7 +5424,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5077,7 +5438,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5099,7 +5460,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5121,7 +5482,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5209,6 +5570,28 @@
   }, 
   {
     "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "invoke_large_request"
     ], 
     "ci_platforms": [
@@ -5297,7 +5680,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5319,7 +5702,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5341,7 +5724,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5349,7 +5732,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5363,7 +5746,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5371,7 +5754,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5561,6 +5944,28 @@
   }, 
   {
     "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "simple_request"
     ], 
     "ci_platforms": [
@@ -5794,7 +6199,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5815,14 +6220,14 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5836,14 +6241,14 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -5857,7 +6262,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5878,7 +6283,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5899,7 +6304,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -5983,6 +6388,27 @@
   }, 
   {
     "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "invoke_large_request"
     ], 
     "ci_platforms": [
@@ -6067,7 +6493,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6088,7 +6514,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6109,14 +6535,14 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6130,14 +6556,14 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6319,6 +6745,27 @@
   }, 
   {
     "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "simple_request"
     ], 
     "ci_platforms": [
@@ -6559,7 +7006,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6581,7 +7028,7 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6589,7 +7036,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6603,7 +7050,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6611,7 +7058,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6625,7 +7072,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6647,7 +7094,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6669,7 +7116,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6757,6 +7204,28 @@
   }, 
   {
     "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "invoke_large_request"
     ], 
     "ci_platforms": [
@@ -6845,7 +7314,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6867,7 +7336,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6889,7 +7358,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6897,7 +7366,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6911,7 +7380,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6919,7 +7388,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -7109,6 +7578,28 @@
   }, 
   {
     "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "simple_request"
     ], 
     "ci_platforms": [
@@ -7297,7 +7788,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "linux"
@@ -7313,12 +7804,12 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -7329,12 +7820,12 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -7345,7 +7836,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "linux"
@@ -7361,7 +7852,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "linux"
@@ -7377,7 +7868,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "linux"
@@ -7441,6 +7932,22 @@
   }, 
   {
     "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
       "invoke_large_request"
     ], 
     "ci_platforms": [
@@ -7505,7 +8012,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "linux"
@@ -7521,7 +8028,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "linux"
@@ -7537,12 +8044,12 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -7553,12 +8060,12 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -7697,6 +8204,22 @@
   }, 
   {
     "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
       "simple_request"
     ], 
     "ci_platforms": [
@@ -7732,15 +8255,21 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7748,15 +8277,21 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7764,15 +8299,21 @@
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7780,15 +8321,21 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7796,15 +8343,21 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7812,15 +8365,21 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7828,15 +8387,21 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7844,15 +8409,21 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7860,111 +8431,153 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7972,15 +8585,21 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7988,31 +8607,43 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8020,15 +8651,21 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8036,15 +8673,21 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8052,15 +8695,21 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8068,79 +8717,109 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8148,15 +8827,21 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8164,15 +8849,21 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8180,15 +8871,21 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8196,15 +8893,21 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8212,15 +8915,21 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8228,15 +8937,21 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8244,15 +8959,21 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8260,15 +8981,43 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8276,15 +9025,21 @@
       "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8292,15 +9047,21 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8308,15 +9069,20 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8324,15 +9090,20 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8340,15 +9111,20 @@
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8356,15 +9132,20 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8372,15 +9153,20 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8388,15 +9174,20 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8404,15 +9195,20 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8420,15 +9216,20 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8436,111 +9237,146 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8548,15 +9384,20 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8564,15 +9405,20 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8580,95 +9426,125 @@
       "hpack_size"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "large_metadata"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "max_message_length"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8676,15 +9552,20 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8692,15 +9573,20 @@
       "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8708,180 +9594,235 @@
       "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -8902,7 +9843,7 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -8923,7 +9864,7 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
@@ -8934,7 +9875,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -8944,18 +9885,18 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -8965,18 +9906,18 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "call_creds"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -8986,7 +9927,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
       "windows", 
@@ -8997,7 +9938,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9007,7 +9948,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9018,7 +9959,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9028,7 +9969,7 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9039,7 +9980,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9049,7 +9990,7 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9060,7 +10001,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9070,7 +10011,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9081,7 +10022,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9091,18 +10032,18 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9112,18 +10053,18 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9133,7 +10074,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9144,7 +10085,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9154,7 +10095,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9165,7 +10106,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9175,7 +10116,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9186,7 +10127,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9207,7 +10148,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9228,7 +10169,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9238,7 +10179,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9249,7 +10190,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9270,7 +10211,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9291,7 +10232,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9301,18 +10242,18 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9322,18 +10263,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9343,7 +10284,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9354,7 +10295,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9364,18 +10305,18 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9385,7 +10326,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9396,7 +10337,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9406,18 +10347,18 @@
   }, 
   {
     "args": [
-      "payload"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9427,7 +10368,7 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9438,7 +10379,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9448,7 +10389,7 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9459,7 +10400,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9469,7 +10410,7 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9480,7 +10421,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9490,7 +10431,7 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9501,7 +10442,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9511,18 +10452,18 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9532,7 +10473,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9543,7 +10484,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9553,7 +10494,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9564,7 +10505,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9574,18 +10515,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9595,7 +10536,7 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9606,7 +10547,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9616,7 +10557,7 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9627,7 +10568,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9637,7 +10578,7 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "call_creds"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9648,7 +10589,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9658,18 +10599,18 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9679,18 +10620,18 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9700,7 +10641,7 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9711,7 +10652,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9721,7 +10662,7 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9732,7 +10673,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9742,7 +10683,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9753,7 +10694,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9763,7 +10704,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9774,7 +10715,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9784,7 +10725,7 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9795,7 +10736,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9805,18 +10746,18 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9826,7 +10767,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9837,7 +10778,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9847,18 +10788,18 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9868,7 +10809,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9879,7 +10820,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9889,18 +10830,18 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9910,7 +10851,7 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9921,7 +10862,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9942,7 +10883,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9963,7 +10904,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9973,18 +10914,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9994,18 +10935,18 @@
   }, 
   {
     "args": [
-      "metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10026,7 +10967,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10047,7 +10988,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10068,7 +11009,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10089,7 +11030,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10110,7 +11051,28 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_flags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10131,7 +11093,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10152,7 +11114,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10173,7 +11135,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10194,7 +11156,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10204,18 +11166,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10236,7 +11198,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10257,7 +11219,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10278,7 +11240,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10299,7 +11261,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10320,7 +11282,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10341,7 +11303,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10362,7 +11324,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10383,7 +11345,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10404,7 +11366,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10425,7 +11387,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10446,7 +11408,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10467,7 +11429,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10488,7 +11450,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10498,18 +11460,18 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10519,18 +11481,18 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10540,7 +11502,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10551,7 +11513,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10561,7 +11523,7 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10572,7 +11534,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10582,7 +11544,7 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10593,7 +11555,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10603,7 +11565,7 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10614,7 +11576,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10624,18 +11586,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10645,18 +11607,18 @@
   }, 
   {
     "args": [
-      "metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10677,7 +11639,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10698,7 +11660,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10719,7 +11681,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10740,7 +11702,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10761,7 +11723,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10782,7 +11744,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10803,7 +11765,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10824,7 +11786,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10845,7 +11807,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10866,7 +11828,28 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10887,7 +11870,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10908,7 +11891,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10923,14 +11906,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10945,14 +11927,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10967,14 +11948,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10989,14 +11969,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11011,14 +11990,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11033,14 +12011,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11055,14 +12032,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11077,14 +12053,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11099,14 +12074,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11121,14 +12095,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11143,14 +12116,34 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11165,14 +12158,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11187,14 +12179,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11204,19 +12195,18 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11226,19 +12216,18 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11248,19 +12237,18 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11270,19 +12258,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11292,19 +12279,18 @@
   }, 
   {
     "args": [
-      "metadata"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11314,19 +12300,39 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "negative_deadline"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11341,14 +12347,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11363,14 +12368,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11385,14 +12389,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11407,14 +12410,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11429,14 +12431,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11451,14 +12452,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11473,14 +12473,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11495,14 +12494,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11517,14 +12515,34 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11539,14 +12557,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11561,14 +12578,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11583,13 +12599,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11604,13 +12621,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11625,13 +12643,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11646,13 +12665,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11667,13 +12687,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11688,13 +12709,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11709,13 +12731,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11730,13 +12753,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11751,13 +12775,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11772,13 +12797,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11788,18 +12814,19 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11809,18 +12836,19 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11830,18 +12858,19 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11851,18 +12880,19 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11872,18 +12902,19 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11893,18 +12924,19 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11914,18 +12946,19 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11935,18 +12968,19 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11956,18 +12990,19 @@
   }, 
   {
     "args": [
-      "metadata"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11977,18 +13012,19 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11998,18 +13034,19 @@
   }, 
   {
     "args": [
-      "no_op"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12019,18 +13056,19 @@
   }, 
   {
     "args": [
-      "payload"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12040,18 +13078,19 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12061,18 +13100,19 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12082,18 +13122,19 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12103,18 +13144,19 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12124,18 +13166,19 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12145,18 +13188,19 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12166,18 +13210,19 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12187,18 +13232,19 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "request_with_flags"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12208,18 +13254,19 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12229,7 +13276,7 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12251,7 +13298,7 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12273,7 +13320,7 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12295,7 +13342,7 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12317,7 +13364,7 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12325,7 +13372,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -12339,7 +13386,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12347,7 +13394,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -12361,7 +13408,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -12369,7 +13416,7 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -12383,19 +13430,39 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_proxy_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "binary_metadata"
     ], 
-    "cpu_cost": 0.1, 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12405,19 +13472,39 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "call_creds"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_proxy_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_accept"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12427,19 +13514,18 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12449,19 +13535,18 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12471,19 +13556,18 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12493,19 +13577,18 @@
   }, 
   {
     "args": [
-      "default_host"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12515,19 +13598,18 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12537,19 +13619,18 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12559,19 +13640,18 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12581,19 +13661,18 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12603,19 +13682,18 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12625,19 +13703,39 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_proxy_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "high_initial_seqno"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12647,19 +13745,18 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12669,19 +13766,18 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12691,19 +13787,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12713,19 +13808,18 @@
   }, 
   {
     "args": [
-      "metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12740,14 +13834,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12762,14 +13855,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12784,14 +13876,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12806,14 +13897,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12828,14 +13918,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12845,19 +13934,18 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12867,19 +13955,18 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12889,19 +13976,18 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12911,19 +13997,18 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12933,19 +14018,18 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12955,19 +14039,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12982,14 +14065,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13004,14 +14086,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13024,15 +14105,19 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13040,15 +14125,19 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13056,15 +14145,19 @@
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13072,15 +14165,19 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13088,15 +14185,19 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13104,15 +14205,19 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13120,15 +14225,19 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13136,15 +14245,19 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13152,159 +14265,199 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "hpack_size"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13312,15 +14465,19 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13328,15 +14485,19 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13344,15 +14505,19 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13360,79 +14525,99 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13440,15 +14625,19 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13456,15 +14645,19 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13472,15 +14665,19 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13488,15 +14685,19 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13504,15 +14705,19 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13520,15 +14725,19 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13536,15 +14745,19 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13552,65 +14765,76 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13618,18 +14842,19 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13639,18 +14864,19 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13665,13 +14891,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13686,13 +14913,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13707,13 +14935,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13728,13 +14957,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13749,13 +14979,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13770,13 +15001,58 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "connectivity"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13791,13 +15067,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13812,13 +15089,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13833,13 +15111,36 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13854,13 +15155,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13875,13 +15177,58 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "hpack_size"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13896,13 +15243,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13917,13 +15265,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13933,18 +15282,19 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13954,18 +15304,19 @@
   }, 
   {
     "args": [
-      "metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13980,13 +15331,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14001,13 +15353,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14022,13 +15375,36 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "ping"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14043,13 +15419,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14064,13 +15441,36 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_flags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14085,13 +15485,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14106,13 +15507,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14127,13 +15529,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14148,13 +15551,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14169,13 +15573,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14185,18 +15590,19 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14206,18 +15612,19 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14227,7 +15634,7 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14239,7 +15646,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14249,7 +15656,7 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14261,7 +15668,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14271,7 +15678,7 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14283,7 +15690,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14305,7 +15712,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14327,7 +15734,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14349,7 +15756,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14371,7 +15778,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14393,7 +15800,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14415,7 +15822,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14437,7 +15844,73 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "connectivity"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "default_host"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "disappearing_server"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14459,7 +15932,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14481,7 +15976,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14503,7 +15998,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14525,7 +16020,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14547,7 +16064,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14569,7 +16086,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14591,7 +16108,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14613,7 +16130,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14623,7 +16140,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14635,7 +16152,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14645,7 +16162,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14657,7 +16174,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14667,7 +16184,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14675,11 +16192,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14689,7 +16206,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14697,11 +16214,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14723,7 +16240,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14745,7 +16262,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14767,7 +16284,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14789,7 +16306,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14811,7 +16328,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14833,7 +16350,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14855,7 +16372,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14865,7 +16382,29 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_delayed_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14877,7 +16416,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14887,7 +16426,7 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14899,7 +16438,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14909,9 +16448,10 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14920,8 +16460,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14929,9 +16470,10 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14940,8 +16482,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14949,9 +16492,10 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "binary_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14960,8 +16504,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14972,6 +16517,7 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14980,8 +16526,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14992,6 +16539,7 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15000,8 +16548,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15012,6 +16561,7 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15020,8 +16570,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15032,6 +16583,7 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15040,8 +16592,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15052,6 +16605,7 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15060,8 +16614,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15072,6 +16627,7 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15080,8 +16636,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15089,9 +16646,10 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15100,8 +16658,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15109,19 +16668,21 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15129,19 +16690,21 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15152,6 +16715,7 @@
       "disappearing_server"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15160,8 +16724,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15172,6 +16737,7 @@
       "empty_batch"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15180,8 +16746,31 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_nosec_test", 
+    "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15192,6 +16781,7 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15200,8 +16790,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15212,6 +16803,7 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15220,8 +16812,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15232,6 +16825,7 @@
       "hpack_size"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15240,8 +16834,31 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_nosec_test", 
+    "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15252,6 +16869,7 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15260,8 +16878,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15272,6 +16891,7 @@
       "large_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15280,8 +16900,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15292,6 +16913,7 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15300,8 +16922,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15312,6 +16935,7 @@
       "max_message_length"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15320,8 +16944,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15329,9 +16954,10 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15340,8 +16966,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15349,9 +16976,10 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15360,8 +16988,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15369,19 +16998,21 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15389,19 +17020,21 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15412,6 +17045,7 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15420,8 +17054,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15432,6 +17067,7 @@
       "registered_call"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15440,8 +17076,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15452,6 +17089,7 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15460,8 +17098,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15472,6 +17111,7 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15480,8 +17120,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15492,6 +17133,7 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15500,8 +17142,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15512,6 +17155,7 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15520,8 +17164,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15532,6 +17177,7 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15540,8 +17186,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15552,6 +17199,7 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15560,8 +17208,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15569,9 +17218,10 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15580,8 +17230,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15589,9 +17240,10 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15600,8 +17252,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15609,23 +17262,29 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "linux"
@@ -15634,14 +17293,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "call_creds"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "linux"
@@ -15650,7 +17309,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15666,7 +17325,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15682,7 +17341,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15698,7 +17357,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15714,7 +17373,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15730,7 +17389,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15746,14 +17405,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "linux"
@@ -15762,39 +17421,39 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15810,7 +17469,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15826,7 +17485,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15842,7 +17517,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15858,7 +17533,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15874,7 +17549,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15890,7 +17581,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15906,7 +17597,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15922,7 +17613,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -15938,14 +17629,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "linux"
@@ -15954,14 +17645,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "linux"
@@ -15970,39 +17661,39 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16018,7 +17709,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16034,7 +17725,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16050,7 +17741,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16066,7 +17757,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16082,7 +17773,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16098,7 +17789,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16114,7 +17805,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16130,7 +17821,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16146,7 +17853,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16162,7 +17869,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
       "linux"
     ]
@@ -16181,7 +17888,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16203,7 +17910,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16225,7 +17932,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16247,7 +17954,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16269,7 +17976,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16291,7 +17998,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16313,7 +18020,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16335,7 +18042,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16345,7 +18052,7 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16357,7 +18064,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16367,7 +18074,7 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16375,11 +18082,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16389,7 +18096,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16397,11 +18104,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16411,7 +18118,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16423,7 +18130,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16433,7 +18140,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16445,7 +18152,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16455,7 +18162,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16467,7 +18174,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16489,7 +18196,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16511,7 +18218,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16521,7 +18228,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16533,7 +18240,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16555,7 +18262,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16577,7 +18284,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16599,7 +18306,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16621,7 +18328,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16631,7 +18338,7 @@
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16643,7 +18350,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16653,7 +18360,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16665,7 +18372,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16675,7 +18382,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16683,11 +18390,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16697,7 +18404,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16705,11 +18412,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16731,7 +18438,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16753,7 +18460,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16775,7 +18482,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16797,7 +18504,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16819,7 +18526,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16841,7 +18548,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16863,7 +18570,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16885,7 +18592,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16907,7 +18636,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16929,7 +18658,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16944,14 +18673,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16966,14 +18694,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16988,14 +18715,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17010,14 +18736,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17032,14 +18757,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17054,14 +18778,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17076,14 +18799,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17098,14 +18820,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17115,19 +18836,18 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17137,19 +18857,39 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "empty_batch"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17159,19 +18899,39 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "graceful_server_shutdown"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17181,19 +18941,39 @@
   }, 
   {
     "args": [
-      "default_host"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17203,19 +18983,39 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "large_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17225,19 +19025,39 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "negative_deadline"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17247,19 +19067,39 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17269,19 +19109,39 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "registered_call"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17291,19 +19151,39 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "server_finishes_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17313,19 +19193,39 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_tags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17335,19 +19235,39 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17357,19 +19277,39 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "trailing_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17379,19 +19319,102 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "binary_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_accept"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_client_done"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_invoke"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17401,19 +19424,102 @@
   }, 
   {
     "args": [
-      "metadata"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_in_a_vacuum"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_with_status"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "empty_batch"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17423,19 +19529,60 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "graceful_server_shutdown"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "high_initial_seqno"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17445,19 +19592,39 @@
   }, 
   {
     "args": [
-      "no_op"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17467,19 +19634,81 @@
   }, 
   {
     "args": [
-      "payload"
+      "invoke_large_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "large_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_message_length"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17489,19 +19718,39 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "no_op"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17511,19 +19760,60 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "registered_call"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17538,14 +19828,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17560,14 +19849,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17582,14 +19870,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17604,14 +19891,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17626,14 +19912,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17643,19 +19928,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17670,14 +19954,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17692,14 +19975,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17714,14 +19996,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17736,14 +20017,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17758,14 +20038,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17780,14 +20059,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17802,14 +20080,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17824,14 +20101,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17846,14 +20122,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17868,14 +20143,34 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17885,19 +20180,81 @@
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "graceful_server_shutdown"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "high_initial_seqno"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17907,19 +20264,39 @@
   }, 
   {
     "args": [
-      "channel_ping"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "invoke_large_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17929,19 +20306,60 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_concurrent_streams"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_message_length"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17951,19 +20369,39 @@
   }, 
   {
     "args": [
-      "default_host"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "no_op"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17973,19 +20411,39 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "ping_pong_streaming"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -17995,19 +20453,18 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18017,19 +20474,39 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "request_with_flags"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18039,19 +20516,39 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_calls"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18061,19 +20558,39 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18083,19 +20600,39 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "trailing_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18105,19 +20642,39 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "binary_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18127,19 +20684,165 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "cancel_after_accept"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_client_done"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_invoke"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_before_invoke"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_in_a_vacuum"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "empty_batch"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18149,19 +20852,39 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "graceful_server_shutdown"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18171,19 +20894,39 @@
   }, 
   {
     "args": [
-      "metadata"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "hpack_size"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18193,19 +20936,39 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "invoke_large_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18215,19 +20978,81 @@
   }, 
   {
     "args": [
-      "no_op"
+      "large_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_message_length"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "negative_deadline"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18237,19 +21062,39 @@
   }, 
   {
     "args": [
-      "payload"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18264,14 +21109,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18286,14 +21130,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18308,14 +21151,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18330,14 +21172,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18352,14 +21193,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18374,14 +21214,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18396,14 +21235,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18413,19 +21251,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18440,14 +21277,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18462,14 +21298,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -18482,15 +21317,19 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18498,15 +21337,19 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18514,15 +21357,19 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18530,15 +21377,19 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18546,15 +21397,19 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18562,15 +21417,19 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18578,15 +21437,19 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18594,159 +21457,199 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "hpack_size"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18754,15 +21657,19 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18770,15 +21677,19 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18786,15 +21697,19 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18802,79 +21717,99 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "metadata"
+      "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18882,15 +21817,19 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18898,15 +21837,19 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18914,15 +21857,19 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18930,15 +21877,19 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18946,15 +21897,19 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18962,15 +21917,19 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18978,15 +21937,19 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -18994,15 +21957,39 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -19010,15 +21997,19 @@
       "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -19026,5526 +22017,38391 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
     ], 
+    "boringssl": true, 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_single_channel_throughput_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_single_channel_throughput_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_protobuf_async_ping_pong_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_ping_pong_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_single_channel_throughput_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_single_channel_throughput_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"cpp_protobuf_async_ping_pong_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"server_type\": \"ASYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_ping_pong_insecure"
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/01b05a9eaa95950f697627264bbd5006060f68e5"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/02ba99615d1d69eb328adce99670f659959c1bc1"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/03abf728ac1d833c2d4a9ff7e0c912b949edc04c"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/07048654244e377ddf246e8cc18f71443035cd2b"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/078232947d7ff25557e836b4e9e907214e99b320"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_connectivity"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0949f4ac376808482be6ab2dcb18a2ecb08d9a52"
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     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "channel_ping"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0c30868720d5e1a19ff23c53740749c37a43540d"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0c5e0660ddf5f14af8f3fbcc754a967506994c9b"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0d36da88698737ec1ca7b55b30fe2b2036de7e19"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0d8c547f1d261ba07c2648bae009636c17709600"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0dd33527db106a3e84172e8f2189734b00ced4ed"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0e354d89d02c6c5cbba2f140dab7b609bf00793e"
     ], 
     "ci_platforms": [
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+      "linux", 
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+      "posix"
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     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/0fd8859246740606c498755ab00d6147abcfec00"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
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+      "windows", 
+      "posix"
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+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/101305ccd08c7a8bd0c2913c37d3dd0d39d4bb64"
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     "ci_platforms": [
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+      "linux", 
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+      "windows", 
+      "posix"
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+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "test/core/end2end/fuzzers/client_fuzzer_corpus/1160214cdb23e8fc187078a8d6796656c1ade925"
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     "ci_platforms": [
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+      "linux", 
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-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/1402bbcac6fa24eeb0475250e33f704096e2fb45"
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     "ci_platforms": [
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     "exclude_configs": [], 
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     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }, 
   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/1602788cf33d0354d6d48ead549e5137cd211979"
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     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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   }, 
   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/17b1758fc7cd69a00d140f113b1ac894023ff20b"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "windows", 
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   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/18185cbf9e9cfc1fd28d27ed0d651d7cee6a2c06"
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     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
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     "platforms": [
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+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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   {
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/18850965807039500c7f5450a907e86825cf823d"
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+      "linux", 
+      "mac", 
+      "windows", 
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   {
     "args": [
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     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
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     "platforms": [
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+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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   {
     "args": [
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+      "test/core/end2end/fuzzers/client_fuzzer_corpus/19e984af62c36fe982284c87421d8ee46173e9f0"
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     "flaky": false, 
     "language": "c", 
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     "platforms": [
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+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
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+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/dns.txt"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ipv4.txt"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/ipv6.txt"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/client_config/uri_corpus/unix.txt"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "uri_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
     ]
   }
 ]
diff --git a/vsprojects/build_vs2010.bat b/vsprojects/build_vs2010.bat
index 64b0ed5d3f..1bc3c86a92 100644
--- a/vsprojects/build_vs2010.bat
+++ b/vsprojects/build_vs2010.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2010.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2010)
diff --git a/vsprojects/build_vs2013.bat b/vsprojects/build_vs2013.bat
index be3caa9298..82c0a3ad82 100644
--- a/vsprojects/build_vs2013.bat
+++ b/vsprojects/build_vs2013.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2013.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2013)
diff --git a/vsprojects/build_vs2015.bat b/vsprojects/build_vs2015.bat
index 50485a30f3..c6e1b433a3 100644
--- a/vsprojects/build_vs2015.bat
+++ b/vsprojects/build_vs2015.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2015.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2015)
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index b30941ff73..d26c1f8dfc 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -24,6 +24,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc", "vcxproj\.\grpc\grpc
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_dll", "vcxproj\.\grpc_dll\grpc_dll.vcxproj", "{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util", "vcxproj\.\grpc_test_util\grpc_test_util.vcxproj", "{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -42,6 +51,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util_unsecure", "
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -52,6 +62,14 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "one_input_fuzzer", "vcxproj\.\one_input_fuzzer\one_input_fuzzer.vcxproj", "{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "reconnect_server", "vcxproj\.\reconnect_server\reconnect_server.vcxproj", "{929C90AE-483F-AC80-EF93-226199F9E428}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -91,7 +109,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_tests", "vcxproj\te
         	lib = "True"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
@@ -109,11 +126,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_nosec_tests", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_certs", "vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj", "{80EA2691-C037-6DD3-D3AB-21510BF0E64B}"
-	ProjectSection(myProperties) = preProject
-        	lib = "True"
-	EndProjectSection
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "alarm_test", "vcxproj\test\alarm_test\alarm_test.vcxproj", "{AFD362D7-0E2A-E700-1F27-9D90F76166DF}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -176,7 +188,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "census_context_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "census_log_test", "vcxproj\test\census_log_test\census_log_test.vcxproj", "{C27CEE16-2BEC-5572-3956-677E9F6F8BED}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "channel_create_test", "vcxproj\test\channel_create_test\channel_create_test.vcxproj", "{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -187,7 +199,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "census_log_test", "vcxproj\
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "channel_create_test", "vcxproj\test\channel_create_test\channel_create_test.vcxproj", "{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -198,7 +210,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "channel_create_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_status_conversion_test", "vcxproj\test\chttp2_status_conversion_test\chttp2_status_conversion_test.vcxproj", "{ABAD3D2C-078C-7850-B413-3352A07C6176}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -209,7 +221,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test",
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_status_conversion_test", "vcxproj\test\chttp2_status_conversion_test\chttp2_status_conversion_test.vcxproj", "{ABAD3D2C-078C-7850-B413-3352A07C6176}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_stream_map_test", "vcxproj\test\chttp2_stream_map_test\chttp2_stream_map_test.vcxproj", "{12F9C5F8-1BDA-305F-5A0B-B0F9CC7AA7A4}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -220,7 +232,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_status_conversion_te
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_stream_map_test", "vcxproj\test\chttp2_stream_map_test\chttp2_stream_map_test.vcxproj", "{12F9C5F8-1BDA-305F-5A0B-B0F9CC7AA7A4}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_varint_test", "vcxproj\test\chttp2_varint_test\chttp2_varint_test.vcxproj", "{6B29F634-1277-74B8-47F6-78756190BA7B}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -231,7 +243,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_stream_map_test", "v
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_varint_test", "vcxproj\test\chttp2_varint_test\chttp2_varint_test.vcxproj", "{6B29F634-1277-74B8-47F6-78756190BA7B}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "compression_test", "vcxproj\test\compression_test\compression_test.vcxproj", "{5AFE7D17-A4A7-D68E-4491-CBC852F9D2A0}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -242,7 +254,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_varint_test", "vcxpr
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "compression_test", "vcxproj\test\compression_test\compression_test.vcxproj", "{5AFE7D17-A4A7-D68E-4491-CBC852F9D2A0}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "concurrent_connectivity_test", "vcxproj\test\concurrent_connectivity_test\concurrent_connectivity_test.vcxproj", "{391B366C-D916-45AA-3FE5-67363A46193B}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dns_resolver_connectivity_test", "vcxproj\test\dns_resolver_connectivity_test\dns_resolver_connectivity_test.vcxproj", "{F7B6FE68-E847-D7CA-4062-E737E542BCC3}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -320,6 +343,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_avl_test", "vcxproj\tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_backoff_test", "vcxproj\test\gpr_backoff_test\gpr_backoff_test.vcxproj", "{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_cmdline_test", "vcxproj\test\gpr_cmdline_test\gpr_cmdline_test.vcxproj", "{10668A5D-65CD-F530-22D0-747B395B4C26}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -347,7 +379,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_env_test", "vcxproj\tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_file_test", "vcxproj\test\gpr_file_test\gpr_file_test.vcxproj", "{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_histogram_test", "vcxproj\test\gpr_histogram_test\gpr_histogram_test.vcxproj", "{EEBDE4C3-0130-5BD1-E85F-527B3E68FE11}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -356,7 +388,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_file_test", "vcxproj\te
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_histogram_test", "vcxproj\test\gpr_histogram_test\gpr_histogram_test.vcxproj", "{EEBDE4C3-0130-5BD1-E85F-527B3E68FE11}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_host_port_test", "vcxproj\test\gpr_host_port_test\gpr_host_port_test.vcxproj", "{64728265-92F9-103E-6720-8935385458DF}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -365,7 +397,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_histogram_test", "vcxpr
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_host_port_test", "vcxproj\test\gpr_host_port_test\gpr_host_port_test.vcxproj", "{64728265-92F9-103E-6720-8935385458DF}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr_load_file_test", "vcxproj\test\gpr_load_file_test\gpr_load_file_test.vcxproj", "{B36DE5B4-8B73-1194-7539-974D9524D609}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -475,7 +507,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_auth_context_test", "v
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_base64_test", "vcxproj\test\grpc_base64_test\grpc_base64_test.vcxproj", "{759A2BB1-DA1B-196C-94A3-98687BBC9F36}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_b64_test", "vcxproj\test\grpc_b64_test\grpc_b64_test.vcxproj", "{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -640,7 +672,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hpack_table_test", "vcxproj
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test", "vcxproj\test\httpcli_format_request_test\httpcli_format_request_test.vcxproj", "{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "http_parser_test", "vcxproj\test\http_parser_test\http_parser_test.vcxproj", "{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -651,7 +683,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_parser_test", "vcxproj\test\httpcli_parser_test\httpcli_parser_test.vcxproj", "{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test", "vcxproj\test\httpcli_format_request_test\httpcli_format_request_test.vcxproj", "{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -673,6 +705,39 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "init_test", "vcxproj\test\i
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_iomgr_test", "vcxproj\test\internal_api_canary_iomgr_test\internal_api_canary_iomgr_test.vcxproj", "{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_support_test", "vcxproj\test\internal_api_canary_support_test\internal_api_canary_support_test.vcxproj", "{D53575C6-713C-E6E3-FD74-E65F20916498}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_transport_test", "vcxproj\test\internal_api_canary_transport_test\internal_api_canary_transport_test.vcxproj", "{ED24E700-964E-B426-6A6A-1944E2EF7BCB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "invalid_call_argument_test", "vcxproj\test\invalid_call_argument_test\invalid_call_argument_test.vcxproj", "{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -759,6 +824,17 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "message_compress_test", "vc
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mlog_test", "vcxproj\test\mlog_test\mlog_test.vcxproj", "{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "multiple_server_queues_test", "vcxproj\test\multiple_server_queues_test\multiple_server_queues_test.vcxproj", "{88AF688E-E43C-5E20-6966-CF559F597D82}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -991,6 +1067,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "connection_prefix_bad_clien
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "head_of_line_blocking_bad_client_test", "vcxproj\test\head_of_line_blocking_bad_client_test\head_of_line_blocking_bad_client_test.vcxproj", "{23DF0572-DBF1-08DA-8EAD-8508354C90A4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{BA67B418-B699-E41A-9CC4-0279C49481A5} = {BA67B418-B699-E41A-9CC4-0279C49481A5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "headers_bad_client_test", "vcxproj\test\headers_bad_client_test\headers_bad_client_test.vcxproj", "{7819A11E-607E-F0C0-FC47-C704CF7D818C}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1069,7 +1157,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_census_test", "vcxproj\t
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
@@ -1082,7 +1169,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_test", "vcxproj
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
@@ -1095,7 +1181,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_test", "vcxproj\
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
@@ -1108,111 +1193,102 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_test", "vcxproj\tes
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_test", "vcxproj\test/end2end/fixtures\h2_oauth2_test\h2_oauth2_test.vcxproj", "{0F761FF3-342A-C429-711F-F76181BAA52D}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full+trace_test", "vcxproj\test/end2end/fixtures\h2_full+trace_test\h2_full+trace_test.vcxproj", "{16C713C6-062E-F71F-A44C-52DC35494B27}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_test", "vcxproj\test/end2end/fixtures\h2_proxy_test\h2_proxy_test.vcxproj", "{5753B14F-0C69-2E56-6264-5541B2DCDF67}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_test", "vcxproj\test/end2end/fixtures\h2_oauth2_test\h2_oauth2_test.vcxproj", "{0F761FF3-342A-C429-711F-F76181BAA52D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_test", "vcxproj\test/end2end/fixtures\h2_sockpair_test\h2_sockpair_test.vcxproj", "{67458AF8-A122-7740-F195-C2E74A106FAB}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_test", "vcxproj\test/end2end/fixtures\h2_proxy_test\h2_proxy_test.vcxproj", "{5753B14F-0C69-2E56-6264-5541B2DCDF67}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_test\h2_sockpair+trace_test.vcxproj", "{82878169-5A89-FD1E-31A6-E9F07BB92418}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_test", "vcxproj\test/end2end/fixtures\h2_sockpair_test\h2_sockpair_test.vcxproj", "{67458AF8-A122-7740-F195-C2E74A106FAB}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_test\h2_sockpair_1byte_test.vcxproj", "{03A65361-E139-5344-1868-8E8FC269C6E6}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_test\h2_sockpair+trace_test.vcxproj", "{82878169-5A89-FD1E-31A6-E9F07BB92418}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_test", "vcxproj\test/end2end/fixtures\h2_ssl_test\h2_ssl_test.vcxproj", "{EA78D290-4098-FF04-C647-013F6B81E4E7}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_test\h2_sockpair_1byte_test.vcxproj", "{03A65361-E139-5344-1868-8E8FC269C6E6}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_test", "vcxproj\test/end2end/fixtures\h2_ssl_proxy_test\h2_ssl_proxy_test.vcxproj", "{A9092608-E45E-AC96-6533-A6E7DD98211D}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_test", "vcxproj\test/end2end/fixtures\h2_ssl_test\h2_ssl_test.vcxproj", "{EA78D290-4098-FF04-C647-013F6B81E4E7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_test", "vcxproj\test/end2end/fixtures\h2_uchannel_test\h2_uchannel_test.vcxproj", "{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_test", "vcxproj\test/end2end/fixtures\h2_ssl_proxy_test\h2_ssl_proxy_test.vcxproj", "{A9092608-E45E-AC96-6533-A6E7DD98211D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
 		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
@@ -1255,7 +1331,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_nosec_test", "vcxpr
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxproj\test/end2end/fixtures\h2_proxy_nosec_test\h2_proxy_nosec_test.vcxproj", "{6EC72045-98CB-8A8D-9788-BC94209E23C8}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_full+trace_nosec_test\h2_full+trace_nosec_test.vcxproj", "{DFD51943-4906-8051-7D66-6A7D50E0D87E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1267,7 +1343,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_nosec_test\h2_sockpair_nosec_test.vcxproj", "{B3F26242-A43D-4F77-A84C-0F478741A061}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxproj\test/end2end/fixtures\h2_proxy_nosec_test\h2_proxy_nosec_test.vcxproj", "{6EC72045-98CB-8A8D-9788-BC94209E23C8}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1279,7 +1355,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "v
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_nosec_test\h2_sockpair+trace_nosec_test.vcxproj", "{962380E0-1C06-8917-8F7F-1A02E0E93BE7}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_nosec_test\h2_sockpair_nosec_test.vcxproj", "{B3F26242-A43D-4F77-A84C-0F478741A061}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1291,7 +1367,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_nosec_test\h2_sockpair_1byte_nosec_test.vcxproj", "{485E6713-487D-F274-BDE7-5D29300C93FE}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_nosec_test\h2_sockpair+trace_nosec_test.vcxproj", "{962380E0-1C06-8917-8F7F-1A02E0E93BE7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1303,7 +1379,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_nosec_test", "vcxproj\test/end2end/fixtures\h2_uchannel_nosec_test\h2_uchannel_nosec_test.vcxproj", "{BD79A629-4181-DB5E-C28F-44EB280A6F91}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_nosec_test\h2_sockpair_1byte_nosec_test.vcxproj", "{485E6713-487D-F274-BDE7-5D29300C93FE}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1375,6 +1451,22 @@ Global
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|x64.Build.0 = Release-DLL|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|Win32.ActiveCfg = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|x64.ActiveCfg = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|Win32.ActiveCfg = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|x64.ActiveCfg = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|Win32.Build.0 = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|x64.Build.0 = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|Win32.Build.0 = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|x64.Build.0 = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|x64.Build.0 = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|Win32.Build.0 = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|x64.ActiveCfg = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|x64.Build.0 = Release|x64
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|Win32.ActiveCfg = Debug|Win32
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|x64.ActiveCfg = Debug|x64
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Release|Win32.ActiveCfg = Release|Win32
@@ -1423,6 +1515,22 @@ Global
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.Build.0 = Release-DLL|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|Win32.ActiveCfg = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|x64.ActiveCfg = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|Win32.ActiveCfg = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|x64.ActiveCfg = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|Win32.Build.0 = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|x64.Build.0 = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|Win32.Build.0 = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|x64.Build.0 = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|x64.Build.0 = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|Win32.Build.0 = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|x64.ActiveCfg = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|x64.Build.0 = Release|x64
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Debug|Win32.ActiveCfg = Debug|Win32
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Debug|x64.ActiveCfg = Debug|x64
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Release|Win32.ActiveCfg = Release|Win32
@@ -1503,22 +1611,6 @@ Global
 		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}.Release-DLL|Win32.Build.0 = Release|Win32
 		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}.Release-DLL|x64.ActiveCfg = Release|x64
 		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}.Release-DLL|x64.Build.0 = Release|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug|Win32.ActiveCfg = Debug|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug|x64.ActiveCfg = Debug|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release|Win32.ActiveCfg = Release|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release|x64.ActiveCfg = Release|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug|Win32.Build.0 = Debug|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug|x64.Build.0 = Debug|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release|Win32.Build.0 = Release|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release|x64.Build.0 = Release|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Debug-DLL|x64.Build.0 = Debug|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release-DLL|Win32.Build.0 = Release|Win32
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release-DLL|x64.ActiveCfg = Release|x64
-		{80EA2691-C037-6DD3-D3AB-21510BF0E64B}.Release-DLL|x64.Build.0 = Release|x64
 		{AFD362D7-0E2A-E700-1F27-9D90F76166DF}.Debug|Win32.ActiveCfg = Debug|Win32
 		{AFD362D7-0E2A-E700-1F27-9D90F76166DF}.Debug|x64.ActiveCfg = Debug|x64
 		{AFD362D7-0E2A-E700-1F27-9D90F76166DF}.Release|Win32.ActiveCfg = Release|Win32
@@ -1615,22 +1707,6 @@ Global
 		{5C1CFC2D-AF3C-D7CB-BA74-D267E91CBC73}.Release-DLL|Win32.Build.0 = Release|Win32
 		{5C1CFC2D-AF3C-D7CB-BA74-D267E91CBC73}.Release-DLL|x64.ActiveCfg = Release|x64
 		{5C1CFC2D-AF3C-D7CB-BA74-D267E91CBC73}.Release-DLL|x64.Build.0 = Release|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug|Win32.ActiveCfg = Debug|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug|x64.ActiveCfg = Debug|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release|Win32.ActiveCfg = Release|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release|x64.ActiveCfg = Release|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug|Win32.Build.0 = Debug|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug|x64.Build.0 = Debug|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release|Win32.Build.0 = Release|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release|x64.Build.0 = Release|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Debug-DLL|x64.Build.0 = Debug|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release-DLL|Win32.Build.0 = Release|Win32
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release-DLL|x64.ActiveCfg = Release|x64
-		{C27CEE16-2BEC-5572-3956-677E9F6F8BED}.Release-DLL|x64.Build.0 = Release|x64
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Debug|x64.ActiveCfg = Debug|x64
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release|Win32.ActiveCfg = Release|Win32
@@ -1727,6 +1803,38 @@ Global
 		{5AFE7D17-A4A7-D68E-4491-CBC852F9D2A0}.Release-DLL|Win32.Build.0 = Release|Win32
 		{5AFE7D17-A4A7-D68E-4491-CBC852F9D2A0}.Release-DLL|x64.ActiveCfg = Release|x64
 		{5AFE7D17-A4A7-D68E-4491-CBC852F9D2A0}.Release-DLL|x64.Build.0 = Release|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug|x64.ActiveCfg = Debug|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release|Win32.ActiveCfg = Release|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release|x64.ActiveCfg = Release|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug|Win32.Build.0 = Debug|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug|x64.Build.0 = Debug|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release|Win32.Build.0 = Release|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release|x64.Build.0 = Release|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Debug-DLL|x64.Build.0 = Debug|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release-DLL|Win32.Build.0 = Release|Win32
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release-DLL|x64.ActiveCfg = Release|x64
+		{391B366C-D916-45AA-3FE5-67363A46193B}.Release-DLL|x64.Build.0 = Release|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug|Win32.ActiveCfg = Debug|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug|x64.ActiveCfg = Debug|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release|Win32.ActiveCfg = Release|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release|x64.ActiveCfg = Release|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug|Win32.Build.0 = Debug|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug|x64.Build.0 = Debug|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release|Win32.Build.0 = Release|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release|x64.Build.0 = Release|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Debug-DLL|x64.Build.0 = Debug|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release-DLL|Win32.Build.0 = Release|Win32
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release-DLL|x64.ActiveCfg = Release|x64
+		{F7B6FE68-E847-D7CA-4062-E737E542BCC3}.Release-DLL|x64.Build.0 = Release|x64
 		{D06E10DC-272A-5203-7066-2698A247DF26}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D06E10DC-272A-5203-7066-2698A247DF26}.Debug|x64.ActiveCfg = Debug|x64
 		{D06E10DC-272A-5203-7066-2698A247DF26}.Release|Win32.ActiveCfg = Release|Win32
@@ -1839,6 +1947,22 @@ Global
 		{144D8CFF-2737-A18A-DCFD-01603533D63F}.Release-DLL|Win32.Build.0 = Release|Win32
 		{144D8CFF-2737-A18A-DCFD-01603533D63F}.Release-DLL|x64.ActiveCfg = Release|x64
 		{144D8CFF-2737-A18A-DCFD-01603533D63F}.Release-DLL|x64.Build.0 = Release|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug|x64.ActiveCfg = Debug|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release|Win32.ActiveCfg = Release|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release|x64.ActiveCfg = Release|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug|Win32.Build.0 = Debug|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug|x64.Build.0 = Debug|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release|Win32.Build.0 = Release|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release|x64.Build.0 = Release|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}.Release-DLL|x64.Build.0 = Release|x64
 		{10668A5D-65CD-F530-22D0-747B395B4C26}.Debug|Win32.ActiveCfg = Debug|Win32
 		{10668A5D-65CD-F530-22D0-747B395B4C26}.Debug|x64.ActiveCfg = Debug|x64
 		{10668A5D-65CD-F530-22D0-747B395B4C26}.Release|Win32.ActiveCfg = Release|Win32
@@ -1887,22 +2011,6 @@ Global
 		{07149650-E8AF-B3D8-9D5B-BC34DC909DB8}.Release-DLL|Win32.Build.0 = Release|Win32
 		{07149650-E8AF-B3D8-9D5B-BC34DC909DB8}.Release-DLL|x64.ActiveCfg = Release|x64
 		{07149650-E8AF-B3D8-9D5B-BC34DC909DB8}.Release-DLL|x64.Build.0 = Release|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug|Win32.ActiveCfg = Debug|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug|x64.ActiveCfg = Debug|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release|Win32.ActiveCfg = Release|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release|x64.ActiveCfg = Release|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug|Win32.Build.0 = Debug|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug|x64.Build.0 = Debug|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release|Win32.Build.0 = Release|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release|x64.Build.0 = Release|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Debug-DLL|x64.Build.0 = Debug|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release-DLL|Win32.Build.0 = Release|Win32
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release-DLL|x64.ActiveCfg = Release|x64
-		{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}.Release-DLL|x64.Build.0 = Release|x64
 		{EEBDE4C3-0130-5BD1-E85F-527B3E68FE11}.Debug|Win32.ActiveCfg = Debug|Win32
 		{EEBDE4C3-0130-5BD1-E85F-527B3E68FE11}.Debug|x64.ActiveCfg = Debug|x64
 		{EEBDE4C3-0130-5BD1-E85F-527B3E68FE11}.Release|Win32.ActiveCfg = Release|Win32
@@ -1935,6 +2043,22 @@ Global
 		{64728265-92F9-103E-6720-8935385458DF}.Release-DLL|Win32.Build.0 = Release|Win32
 		{64728265-92F9-103E-6720-8935385458DF}.Release-DLL|x64.ActiveCfg = Release|x64
 		{64728265-92F9-103E-6720-8935385458DF}.Release-DLL|x64.Build.0 = Release|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug|x64.ActiveCfg = Debug|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release|Win32.ActiveCfg = Release|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release|x64.ActiveCfg = Release|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug|Win32.Build.0 = Debug|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug|x64.Build.0 = Debug|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release|Win32.Build.0 = Release|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release|x64.Build.0 = Release|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B36DE5B4-8B73-1194-7539-974D9524D609}.Release-DLL|x64.Build.0 = Release|x64
 		{38797EE3-62CC-3CBF-18D5-009ED6DD0BEC}.Debug|Win32.ActiveCfg = Debug|Win32
 		{38797EE3-62CC-3CBF-18D5-009ED6DD0BEC}.Debug|x64.ActiveCfg = Debug|x64
 		{38797EE3-62CC-3CBF-18D5-009ED6DD0BEC}.Release|Win32.ActiveCfg = Release|Win32
@@ -2111,22 +2235,22 @@ Global
 		{C65A4336-92D6-D6A0-EB86-E3AA425222D0}.Release-DLL|Win32.Build.0 = Release|Win32
 		{C65A4336-92D6-D6A0-EB86-E3AA425222D0}.Release-DLL|x64.ActiveCfg = Release|x64
 		{C65A4336-92D6-D6A0-EB86-E3AA425222D0}.Release-DLL|x64.Build.0 = Release|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug|Win32.ActiveCfg = Debug|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug|x64.ActiveCfg = Debug|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release|Win32.ActiveCfg = Release|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release|x64.ActiveCfg = Release|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug|Win32.Build.0 = Debug|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug|x64.Build.0 = Debug|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release|Win32.Build.0 = Release|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release|x64.Build.0 = Release|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Debug-DLL|x64.Build.0 = Debug|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release-DLL|Win32.Build.0 = Release|Win32
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release-DLL|x64.ActiveCfg = Release|x64
-		{759A2BB1-DA1B-196C-94A3-98687BBC9F36}.Release-DLL|x64.Build.0 = Release|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug|Win32.ActiveCfg = Debug|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug|x64.ActiveCfg = Debug|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release|Win32.ActiveCfg = Release|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release|x64.ActiveCfg = Release|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug|Win32.Build.0 = Debug|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug|x64.Build.0 = Debug|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release|Win32.Build.0 = Release|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release|x64.Build.0 = Release|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Debug-DLL|x64.Build.0 = Debug|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release-DLL|Win32.Build.0 = Release|Win32
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release-DLL|x64.ActiveCfg = Release|x64
+		{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}.Release-DLL|x64.Build.0 = Release|x64
 		{82124768-C986-6C10-8BCC-B255B7C84722}.Debug|Win32.ActiveCfg = Debug|Win32
 		{82124768-C986-6C10-8BCC-B255B7C84722}.Debug|x64.ActiveCfg = Debug|x64
 		{82124768-C986-6C10-8BCC-B255B7C84722}.Release|Win32.ActiveCfg = Release|Win32
@@ -2351,6 +2475,22 @@ Global
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|Win32.Build.0 = Release|Win32
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|x64.ActiveCfg = Release|x64
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|x64.Build.0 = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|x64.ActiveCfg = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|Win32.ActiveCfg = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|x64.ActiveCfg = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|Win32.Build.0 = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|x64.Build.0 = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|Win32.Build.0 = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|x64.Build.0 = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|x64.Build.0 = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|Win32.Build.0 = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|x64.ActiveCfg = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|x64.Build.0 = Release|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Debug|x64.ActiveCfg = Debug|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release|Win32.ActiveCfg = Release|Win32
@@ -2367,22 +2507,6 @@ Global
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|x64.Build.0 = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|Win32.ActiveCfg = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|x64.ActiveCfg = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|Win32.ActiveCfg = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|x64.ActiveCfg = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|Win32.Build.0 = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|x64.Build.0 = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|Win32.Build.0 = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|x64.Build.0 = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|x64.Build.0 = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|Win32.Build.0 = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|x64.ActiveCfg = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|x64.Build.0 = Release|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Debug|Win32.ActiveCfg = Debug|Win32
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Debug|x64.ActiveCfg = Debug|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release|Win32.ActiveCfg = Release|Win32
@@ -2399,6 +2523,54 @@ Global
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|x64.Build.0 = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|Win32.ActiveCfg = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|x64.ActiveCfg = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|Win32.ActiveCfg = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|x64.ActiveCfg = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|Win32.Build.0 = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|x64.Build.0 = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|Win32.Build.0 = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|x64.Build.0 = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|x64.Build.0 = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|Win32.Build.0 = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|x64.ActiveCfg = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|x64.Build.0 = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|Win32.ActiveCfg = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|x64.ActiveCfg = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|Win32.ActiveCfg = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|x64.ActiveCfg = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|Win32.Build.0 = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|x64.Build.0 = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|Win32.Build.0 = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|x64.Build.0 = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|x64.Build.0 = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|Win32.Build.0 = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|x64.ActiveCfg = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|x64.Build.0 = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|x64.ActiveCfg = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|Win32.ActiveCfg = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|x64.ActiveCfg = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|Win32.Build.0 = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|x64.Build.0 = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|Win32.Build.0 = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|x64.Build.0 = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|x64.Build.0 = Release|x64
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Debug|x64.ActiveCfg = Debug|x64
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Release|Win32.ActiveCfg = Release|Win32
@@ -2527,6 +2699,22 @@ Global
 		{07170557-CCB0-D23C-8018-C2909D115DF9}.Release-DLL|Win32.Build.0 = Release|Win32
 		{07170557-CCB0-D23C-8018-C2909D115DF9}.Release-DLL|x64.ActiveCfg = Release|x64
 		{07170557-CCB0-D23C-8018-C2909D115DF9}.Release-DLL|x64.Build.0 = Release|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug|Win32.ActiveCfg = Debug|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug|x64.ActiveCfg = Debug|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release|Win32.ActiveCfg = Release|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release|x64.ActiveCfg = Release|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug|Win32.Build.0 = Debug|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug|x64.Build.0 = Debug|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release|Win32.Build.0 = Release|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release|x64.Build.0 = Release|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Debug-DLL|x64.Build.0 = Debug|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release-DLL|Win32.Build.0 = Release|Win32
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release-DLL|x64.ActiveCfg = Release|x64
+		{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}.Release-DLL|x64.Build.0 = Release|x64
 		{88AF688E-E43C-5E20-6966-CF559F597D82}.Debug|Win32.ActiveCfg = Debug|Win32
 		{88AF688E-E43C-5E20-6966-CF559F597D82}.Debug|x64.ActiveCfg = Debug|x64
 		{88AF688E-E43C-5E20-6966-CF559F597D82}.Release|Win32.ActiveCfg = Release|Win32
@@ -2863,6 +3051,22 @@ Global
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|Win32.Build.0 = Release|Win32
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.ActiveCfg = Release|x64
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.Build.0 = Release|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|x64.ActiveCfg = Debug|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Release|Win32.ActiveCfg = Release|Win32
@@ -3023,6 +3227,22 @@ Global
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|x64.Build.0 = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|Win32.ActiveCfg = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|x64.ActiveCfg = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|Win32.ActiveCfg = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|x64.ActiveCfg = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|Win32.Build.0 = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|x64.Build.0 = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|Win32.Build.0 = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|x64.Build.0 = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|x64.Build.0 = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|Win32.Build.0 = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|x64.ActiveCfg = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|x64.Build.0 = Release|x64
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Debug|x64.ActiveCfg = Debug|x64
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Release|Win32.ActiveCfg = Release|Win32
@@ -3135,22 +3355,6 @@ Global
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|x64.Build.0 = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|Win32.ActiveCfg = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|x64.ActiveCfg = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|Win32.ActiveCfg = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|x64.ActiveCfg = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|Win32.Build.0 = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|x64.Build.0 = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|Win32.Build.0 = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|x64.Build.0 = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|x64.Build.0 = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|Win32.Build.0 = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|x64.ActiveCfg = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|x64.Build.0 = Release|x64
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Debug|x64.ActiveCfg = Debug|x64
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Release|Win32.ActiveCfg = Release|Win32
@@ -3199,6 +3403,22 @@ Global
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|Win32.Build.0 = Release|Win32
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|x64.ActiveCfg = Release|x64
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|x64.Build.0 = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|x64.ActiveCfg = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|Win32.ActiveCfg = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|x64.ActiveCfg = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|Win32.Build.0 = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|x64.Build.0 = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|Win32.Build.0 = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|x64.Build.0 = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|x64.Build.0 = Release|x64
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Debug|Win32.ActiveCfg = Debug|Win32
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Debug|x64.ActiveCfg = Debug|x64
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Release|Win32.ActiveCfg = Release|Win32
@@ -3263,22 +3483,6 @@ Global
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|Win32.Build.0 = Release|Win32
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.ActiveCfg = Release|x64
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.Build.0 = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|Win32.ActiveCfg = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|x64.ActiveCfg = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|Win32.ActiveCfg = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|x64.ActiveCfg = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|Win32.Build.0 = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|x64.Build.0 = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|Win32.Build.0 = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|x64.Build.0 = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|x64.Build.0 = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|Win32.Build.0 = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|x64.ActiveCfg = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index ad9198341a..b46dee7543 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -24,6 +24,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc", "vcxproj\.\grpc\grpc
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_dll", "vcxproj\.\grpc_dll\grpc_dll.vcxproj", "{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util", "vcxproj\.\grpc_test_util\grpc_test_util.vcxproj", "{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -42,6 +51,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util_unsecure", "
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -52,6 +62,14 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "one_input_fuzzer", "vcxproj\.\one_input_fuzzer\one_input_fuzzer.vcxproj", "{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "reconnect_server", "vcxproj\.\reconnect_server\reconnect_server.vcxproj", "{929C90AE-483F-AC80-EF93-226199F9E428}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -90,6 +108,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_unsecure", "vcxproj\
 	ProjectSection(ProjectDependencies) = postProject
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "boringssl", "vcxproj\.\boringssl\boringssl.vcxproj", "{9FD9A3EF-C4A3-8390-D8F4-6F86C22A58CE}"
@@ -220,6 +239,22 @@ Global
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release-DLL|x64.Build.0 = Release-DLL|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|Win32.ActiveCfg = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|x64.ActiveCfg = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|Win32.ActiveCfg = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|x64.ActiveCfg = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|Win32.Build.0 = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug|x64.Build.0 = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|Win32.Build.0 = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release|x64.Build.0 = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Debug-DLL|x64.Build.0 = Debug|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|Win32.Build.0 = Release|Win32
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|x64.ActiveCfg = Release|x64
+		{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}.Release-DLL|x64.Build.0 = Release|x64
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|Win32.ActiveCfg = Debug|Win32
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|x64.ActiveCfg = Debug|x64
 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Release|Win32.ActiveCfg = Release|Win32
@@ -268,6 +303,22 @@ Global
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.Build.0 = Release-DLL|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|Win32.ActiveCfg = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|x64.ActiveCfg = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|Win32.ActiveCfg = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|x64.ActiveCfg = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|Win32.Build.0 = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug|x64.Build.0 = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|Win32.Build.0 = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release|x64.Build.0 = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Debug-DLL|x64.Build.0 = Debug|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|Win32.Build.0 = Release|Win32
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|x64.ActiveCfg = Release|x64
+		{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}.Release-DLL|x64.Build.0 = Release|x64
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Debug|Win32.ActiveCfg = Debug|Win32
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Debug|x64.ActiveCfg = Debug|x64
 		{929C90AE-483F-AC80-EF93-226199F9E428}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/protoc.props b/vsprojects/protoc.props
index ecaf248446..1bdc07193b 100644
--- a/vsprojects/protoc.props
+++ b/vsprojects/protoc.props
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <ImportGroup Label="PropertySheets" /> <PropertyGroup Label="UserMacros" /> <PropertyGroup /> <ItemDefinitionGroup> <Link> <AdditionalDependencies>libprotoc.lib;%(AdditionalDependencies)</AdditionalDependencies> <AdditionalLibraryDirectories>$(SolutionDir)\..\third_party\protobuf\cmake\$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> </Link> </ItemDefinitionGroup> <ItemGroup /> </Project>
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <ImportGroup Label="PropertySheets" /> <PropertyGroup Label="UserMacros" /> <PropertyGroup /> <ItemDefinitionGroup> <ClCompile> <DisableSpecificWarnings>4244;4267;%(DisableSpecificWarnings)</DisableSpecificWarnings> </ClCompile> <Link> <AdditionalDependencies>libprotoc.lib;%(AdditionalDependencies)</AdditionalDependencies> <AdditionalLibraryDirectories>$(SolutionDir)\..\third_party\protobuf\cmake\$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> </Link> </ItemDefinitionGroup> <ItemGroup /> </Project>
\ No newline at end of file
diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj b/vsprojects/vcxproj/gpr/gpr.vcxproj
index e1b3963c91..cdb128e48e 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj
@@ -191,103 +191,107 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\profiling\timers.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\block_annotate.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\env.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\file.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\murmur_hash.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\stack_lockfree.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\thd_internal.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\time_precise.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\profiling\timers.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\backoff.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\block_annotate.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\env.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\load_file.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\thd_internal.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\time_precise.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\tmpfile.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\core\profiling\basic_timers.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\profiling\basic_timers.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\profiling\stap_timers.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\profiling\stap_timers.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\alloc.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\alloc.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\avl.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\avl.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cmdline.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\backoff.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_iphone.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cmdline.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_linux.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_iphone.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_linux.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_windows.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_linux.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_windows.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_linux.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\histogram.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\host_port.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\histogram.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\load_file.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\host_port.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_android.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_android.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_linux.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_linux.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\murmur_hash.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\slice.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\slice.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\slice_buffer.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\slice_buffer.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\stack_lockfree.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\subprocess_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\subprocess_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\subprocess_windows.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\subprocess_windows.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_posix.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_precise.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_precise.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_win32.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_win32.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tls_pthread.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\tls_pthread.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\wrap_memcpy.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_win32.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\wrap_memcpy.c">
     </ClCompile>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
index aedba93e88..8af6fdd44c 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
@@ -1,134 +1,137 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\core\profiling\basic_timers.c">
-      <Filter>src\core\profiling</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\profiling\basic_timers.c">
+      <Filter>src\core\lib\profiling</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\profiling\stap_timers.c">
-      <Filter>src\core\profiling</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\profiling\stap_timers.c">
+      <Filter>src\core\lib\profiling</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\alloc.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\alloc.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\avl.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\avl.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cmdline.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\backoff.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_iphone.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cmdline.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_linux.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_iphone.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_linux.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\cpu_windows.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_linux.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\cpu_windows.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_linux.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\env_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\env_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\histogram.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\file_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\host_port.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\histogram.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\load_file.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\host_port.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_android.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_android.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_linux.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_linux.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\log_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\log_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\murmur_hash.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\slice.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\slice.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\slice_buffer.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\slice_buffer.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\stack_lockfree.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\string_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\string_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\subprocess_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\subprocess_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\subprocess_windows.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\subprocess_windows.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\sync_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\sync_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_precise.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_precise.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tls_pthread.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\tls_pthread.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\wrap_memcpy.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_win32.c">
+      <Filter>src\core\lib\support</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\wrap_memcpy.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
@@ -260,35 +263,41 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\profiling\timers.h">
-      <Filter>src\core\profiling</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\profiling\timers.h">
+      <Filter>src\core\lib\profiling</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\backoff.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\block_annotate.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\block_annotate.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\env.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\env.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\file.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\load_file.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\murmur_hash.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\stack_lockfree.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string_win32.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string_win32.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\thd_internal.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\thd_internal.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\time_precise.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\time_precise.h">
+      <Filter>src\core\lib\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\tmpfile.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
   </ItemGroup>
 
@@ -314,11 +323,14 @@
     <Filter Include="src\core">
       <UniqueIdentifier>{c5e1baa7-de77-beb1-9675-942261648f79}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\profiling">
-      <UniqueIdentifier>{93b7086c-8c8a-6bbf-fb14-1f166bf0146a}</UniqueIdentifier>
+    <Filter Include="src\core\lib">
+      <UniqueIdentifier>{52037bcb-5719-a548-224d-834fbe569045}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\lib\profiling">
+      <UniqueIdentifier>{ba38d79d-d5de-a89e-9ca2-c5235a03ca7f}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\support">
-      <UniqueIdentifier>{bb116f2a-ea2a-c233-82da-0c54e3cbfec1}</UniqueIdentifier>
+    <Filter Include="src\core\lib\support">
+      <UniqueIdentifier>{a4812158-7fba-959e-4e09-50167fe38df8}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index c62faf33e6..f739dc6633 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -293,8 +293,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status_code_enum.h" />
@@ -311,8 +309,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
@@ -332,9 +329,34 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
@@ -369,17 +391,13 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\alarm.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\call.cc">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\completion_queue.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\core_codegen.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\proto\proto_utils.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
     </ClCompile>
@@ -407,7 +425,7 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index 5f9350e76a..a0323be96e 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -40,23 +40,17 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\alarm.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\call.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\completion_queue.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\core_codegen.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\proto\proto_utils.cc">
-      <Filter>src\cpp\proto</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+      <Filter>src\cpp\common</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
       <Filter>src\cpp\server</Filter>
@@ -97,7 +91,7 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
       <Filter>src\cpp\util</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
       <Filter>src\cpp\codegen</Filter>
     </ClCompile>
   </ItemGroup>
@@ -207,12 +201,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
@@ -261,10 +249,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
@@ -324,11 +309,86 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.h">
       <Filter>src\cpp\common</Filter>
     </ClInclude>
@@ -353,6 +413,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{82445414-24cd-8198-1fe1-4267c3f3df00}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{16946104-53ac-ac76-68b9-f9ec77ea6fae}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{784a0281-f547-aeb0-9f55-b26b7de9c769}</UniqueIdentifier>
     </Filter>
@@ -374,6 +437,12 @@
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{a5c10dae-f715-2a30-1066-d22f8bc94cb2}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{48c3b0ae-c00f-fa20-6965-b73da65d71cb}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{dc8bfccd-341f-26f0-8ee4-47dde62a6dd1}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{328ff211-2886-406e-56f9-18ba1686f363}</UniqueIdentifier>
     </Filter>
@@ -389,9 +458,6 @@
     <Filter Include="src\cpp\common">
       <UniqueIdentifier>{2336e396-7e0b-8bf9-3b09-adc6ad1f0e5b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\cpp\proto">
-      <UniqueIdentifier>{c22e8b9b-d2eb-a2e8-0cb8-3f7e3c902a7b}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src\cpp\server">
       <UniqueIdentifier>{321b0980-74ad-e8ca-f23b-deffa5d6bb8f}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
index 3d353716a9..33860af620 100644
--- a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
@@ -153,6 +153,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\create_test_channel.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\string_ref_helper.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\subprocess.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\util\test_credentials_provider.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.pb.cc">
@@ -191,6 +192,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\util\subprocess.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\util\test_credentials_provider.cc">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
diff --git a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
index 27ac6751b9..b35ba1fd91 100644
--- a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
@@ -28,6 +28,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\cpp\util\subprocess.cc">
       <Filter>test\cpp\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\util\test_credentials_provider.cc">
+      <Filter>test\cpp\util</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\test\cpp\end2end\test_service_impl.h">
@@ -48,6 +51,9 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\subprocess.h">
       <Filter>test\cpp\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\util\test_credentials_provider.h">
+      <Filter>test\cpp\util</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index fb4246580f..a7aba28e10 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -293,8 +293,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status_code_enum.h" />
@@ -311,8 +309,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
@@ -332,9 +329,34 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
@@ -356,17 +378,13 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\alarm.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\call.cc">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\completion_queue.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\core_codegen.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\proto\proto_utils.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
     </ClCompile>
@@ -394,7 +412,7 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
@@ -404,6 +422,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index eeff7d3697..b29e4cd3da 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -25,23 +25,17 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\alarm.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\call.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\completion_queue.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\core_codegen.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\proto\proto_utils.cc">
-      <Filter>src\cpp\proto</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
+      <Filter>src\cpp\common</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
       <Filter>src\cpp\server</Filter>
@@ -82,7 +76,7 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
       <Filter>src\cpp\util</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
       <Filter>src\cpp\codegen</Filter>
     </ClCompile>
   </ItemGroup>
@@ -192,12 +186,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
@@ -246,10 +234,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
@@ -309,11 +294,86 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h">
       <Filter>src\cpp\common</Filter>
     </ClInclude>
@@ -329,6 +389,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{5c4eb19f-d511-e8fd-e1d6-c377cdc7d3b1}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{f3dd91a8-058b-becf-9e41-eb42c7bc6e55}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{eceb50c0-bb49-3812-b6bd-b0af6df81da7}</UniqueIdentifier>
     </Filter>
@@ -350,6 +413,12 @@
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{0ebf8008-80b9-d6da-e1dc-854bf1ec2195}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{c1049250-64f6-f900-d2e5-1718e148f1f0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{adf6b8e3-4a4b-cb35-bb3d-568af97b58d1}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{cce6a85d-1111-3834-6825-31e170d93cff}</UniqueIdentifier>
     </Filter>
@@ -365,9 +434,6 @@
     <Filter Include="src\cpp\common">
       <UniqueIdentifier>{ed8e4daa-825f-fbe5-2a45-846ad9165d3d}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\cpp\proto">
-      <UniqueIdentifier>{10b51a99-2e57-249e-ce23-3ab8c6b99ffb}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src\cpp\server">
       <UniqueIdentifier>{8a54a279-d14b-4237-0df3-1ffe1ef5a7af}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 569200ceea..32540da499 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -267,463 +267,502 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\auth_filters.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\base64.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\credentials.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\handshake.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\json_token.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\jwt_verifier.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\secure_endpoint.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\security_connector.h" />
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diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 275cf6e169..09b94cffe9 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -1,474 +1,516 @@
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+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_plugin_registry.c">
+      <Filter>src\core\plugin_registry</Filter>
     </ClCompile>
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   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
       <Filter>include\grpc</Filter>
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@@ -489,19 +531,49 @@
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       <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
-      <Filter>include\grpc</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h">
-      <Filter>include\grpc</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h">
-      <Filter>include\grpc</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h">
-      <Filter>include\grpc</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
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@@ -509,398 +581,413 @@
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-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_args.h">
+      <Filter>src\core\lib\channel</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack.h">
+      <Filter>src\core\lib\channel</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.h">
+      <Filter>src\core\lib\channel</Filter>
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-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\compress_filter.h">
+      <Filter>src\core\lib\channel</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\src\core\security\credentials.h">
-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\connected_channel.h">
+      <Filter>src\core\lib\channel</Filter>
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-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\context.h">
+      <Filter>src\core\lib\channel</Filter>
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-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\http_client_filter.h">
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     </ClInclude>
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-      <Filter>src\core\security</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\http_server_filter.h">
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-      <Filter>src\core\security</Filter>
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-      <Filter>src\core\security</Filter>
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     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\security\security_context.h">
-      <Filter>src\core\security</Filter>
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+      <Filter>src\core\lib\debug</Filter>
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     </ClInclude>
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-      <Filter>src\core\tsi</Filter>
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-      <Filter>src\core\tsi</Filter>
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diff --git a/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj b/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj
new file mode 100644
index 0000000000..cafc951867
--- /dev/null
+++ b/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj
@@ -0,0 +1,200 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
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+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{A2F6CBBA-A553-41B3-A7DE-F26DECCC27F0}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
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+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>grpc_dll</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>grpc_dll</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
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+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
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+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <ModuleDefinitionFile>$(SolutionDir)\..\grpc.def</ModuleDefinitionFile>
+    </Link>
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+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <ModuleDefinitionFile>$(SolutionDir)\..\grpc.def</ModuleDefinitionFile>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <ModuleDefinitionFile>$(SolutionDir)\..\grpc.def</ModuleDefinitionFile>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
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+
+  <ItemGroup>
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+  <ItemGroup>
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+  <ItemGroup>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
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+</Project>
+
diff --git a/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj.filters b/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj.filters
new file mode 100644
index 0000000000..8493ace0a2
--- /dev/null
+++ b/vsprojects/vcxproj/grpc_dll/grpc_dll.vcxproj.filters
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <None Include="$(SolutionDir)\..\grpc.def" />
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+
+  <ItemGroup>
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+
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
index 147c251169..a81d31768d 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
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     <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protoc.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
@@ -147,60 +148,12 @@
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator_helpers.h" />
@@ -230,8 +183,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\compiler\ruby_generator.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
-    </ClCompile>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
index e9e68a9f27..b3d2dc2f3d 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
@@ -19,37 +19,13 @@
     <ClCompile Include="$(SolutionDir)\..\src\compiler\ruby_generator.cc">
       <Filter>src\compiler</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\grpc_library.cc">
-      <Filter>src\cpp\codegen</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
       <Filter>include\grpc++\impl\codegen</Filter>
@@ -57,131 +33,8 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
-      <Filter>include\grpc++\impl\codegen\security</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h">
       <Filter>src\compiler</Filter>
     </ClInclude>
@@ -233,9 +86,6 @@
     <Filter Include="include">
       <UniqueIdentifier>{93ed419d-4540-7fa4-814d-3392745b77ff}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc">
-      <UniqueIdentifier>{ae5560ea-77fe-ab95-c7a3-4538c66591a8}</UniqueIdentifier>
-    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{893c09ee-e315-e763-9d9d-37522ba2f51c}</UniqueIdentifier>
     </Filter>
@@ -245,30 +95,15 @@
     <Filter Include="include\grpc++\impl\codegen">
       <UniqueIdentifier>{ec2a6e26-915b-ba1b-4f59-f361dc01105c}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc++\impl\codegen\security">
-      <UniqueIdentifier>{c1593bf9-5ef8-cb28-e46b-543153918a3f}</UniqueIdentifier>
-    </Filter>
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{1c34d005-1ffb-8a31-881a-c6bb431cda69}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{3c047248-00c2-4c59-fffd-9e313353e390}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{749ae941-63f0-c623-8b4b-a3114ec81bb7}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{94c9769a-a6cd-49fd-2b30-e52d2d02ed91}</UniqueIdentifier>
     </Filter>
     <Filter Include="src\compiler">
       <UniqueIdentifier>{0e6b1e6c-7299-59ce-d757-619bcddd5441}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\cpp">
-      <UniqueIdentifier>{29d80aab-9e9d-0417-6dfa-59dec47c9883}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="src\cpp\codegen">
-      <UniqueIdentifier>{c0d4a389-f341-8385-4534-fe9d8fb09952}</UniqueIdentifier>
-    </Filter>
   </ItemGroup>
 </Project>
 
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index 5735327b78..d1f67ee44e 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -153,8 +153,11 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
   </ItemGroup>
   <ItemGroup>
@@ -174,10 +177,16 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\slice_splitter.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 47a689a822..2fee6aab62 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -25,12 +25,21 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -57,12 +66,21 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
index 6ff6ec9a56..336825353c 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
@@ -151,8 +151,11 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
   </ItemGroup>
   <ItemGroup>
@@ -164,10 +167,16 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\slice_splitter.c">
@@ -183,6 +192,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
index 3b682cec6d..5c2b961b67 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
@@ -13,12 +13,21 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -39,12 +48,21 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 2092397136..fa571d9bf9 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -269,397 +269,436 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
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diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index f6e5275b79..30dcb1ba1a 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -1,410 +1,440 @@
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-      <Filter>src\core\transport\chttp2</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_call_holder.h">
+      <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\chttp2\varint.h">
-      <Filter>src\core\transport\chttp2</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h">
+      <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\chttp2_transport.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.h">
+      <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\connectivity_state.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.h">
+      <Filter>src\core\ext\lb_policy\grpclb</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\metadata.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.h">
+      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\metadata_batch.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
+      <Filter>third_party\nanopb</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\static_metadata.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h">
+      <Filter>third_party\nanopb</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h">
+      <Filter>third_party\nanopb</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport_impl.h">
-      <Filter>src\core\transport</Filter>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h">
+      <Filter>third_party\nanopb</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\census\aggregation.h">
-      <Filter>src\core\census</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\aggregation.h">
+      <Filter>src\core\ext\census</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\census\log.h">
-      <Filter>src\core\census</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_interface.h">
+      <Filter>src\core\ext\census</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h">
-      <Filter>src\core\census</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_rpc_stats.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\mlog.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\rpc_metric_id.h">
+      <Filter>src\core\ext\census</Filter>
     </ClInclude>
   </ItemGroup>
 
@@ -818,47 +905,110 @@
     <Filter Include="src\core">
       <UniqueIdentifier>{88491077-386b-2039-d14c-0c40136b5f7a}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\census">
-      <UniqueIdentifier>{a7596ee2-afee-3a82-7e6e-bd8b8f904e04}</UniqueIdentifier>
+    <Filter Include="src\core\ext">
+      <UniqueIdentifier>{82f86e8c-00a4-f566-d235-670fc629798d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\census">
+      <UniqueIdentifier>{3f21cd12-b8b9-18f8-8780-e21bbe2285d0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\client_config">
+      <UniqueIdentifier>{25fa8af3-0a05-987c-741f-fa8ff9d65d51}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy">
+      <UniqueIdentifier>{a23781d2-27e4-7cb0-12cd-59782ecb21ce}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\grpclb">
+      <UniqueIdentifier>{25a465c8-d1e8-6248-c005-bb2062206472}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\grpclb\proto">
+      <UniqueIdentifier>{40fc2615-d244-0d36-4486-ba6f0fa468bb}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\grpclb\proto\grpc">
+      <UniqueIdentifier>{1d129f24-a399-12ef-68de-023aff7dde52}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\grpclb\proto\grpc\lb">
+      <UniqueIdentifier>{21858d9d-30b5-8847-5882-6b47df0fa293}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0">
+      <UniqueIdentifier>{1795a20b-3e7c-e27d-eae1-96582fa9a958}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\pick_first">
+      <UniqueIdentifier>{e27f9ecf-97bb-1a2e-3135-a41f732dcf55}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\lb_policy\round_robin">
+      <UniqueIdentifier>{e5fc1091-5d60-404f-775b-686ef4b3266f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\resolver">
+      <UniqueIdentifier>{88c78e27-267a-95df-07c5-50e5fbc2f40c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\resolver\dns">
+      <UniqueIdentifier>{2e0a9b4f-6394-7c0e-6e5a-0f8b3ee29b41}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\resolver\dns\native">
+      <UniqueIdentifier>{3d5398c8-928b-9096-8eb7-f8c40ee68c4d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\resolver\sockaddr">
+      <UniqueIdentifier>{71686ed0-fbf9-02a4-d65a-a73f7dc4e2be}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport">
+      <UniqueIdentifier>{967c89fe-c97c-27e2-aac0-9ba5854cb5fa}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2">
+      <UniqueIdentifier>{702829f0-099e-2ab7-6b44-ed7cff3ec083}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\alpn">
+      <UniqueIdentifier>{7d4830f7-20db-07d3-c3a9-ecfe63ae1992}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\client">
+      <UniqueIdentifier>{0d589e16-e470-4968-318c-796af5a33637}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\client\insecure">
+      <UniqueIdentifier>{34dfdc9b-ab97-47f0-c1e1-b2e7381c3de6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\server">
+      <UniqueIdentifier>{81fb55f4-9216-441b-8389-a7120bbcd45e}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\server\insecure">
+      <UniqueIdentifier>{3f53dcb6-71d7-28ff-1794-26a08e4601fe}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\channel">
-      <UniqueIdentifier>{cc102c4b-66ff-cf4c-2288-d76327e1a183}</UniqueIdentifier>
+    <Filter Include="src\core\ext\transport\chttp2\transport">
+      <UniqueIdentifier>{45b20f28-376c-9dea-1800-8a0193411946}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\client_config">
-      <UniqueIdentifier>{02bd7340-02ee-4337-ffa5-0b6ecc7cf60c}</UniqueIdentifier>
+    <Filter Include="src\core\lib">
+      <UniqueIdentifier>{8bd5b461-bff8-6aa8-b5a6-85da2834eb8a}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\client_config\lb_policies">
-      <UniqueIdentifier>{308af086-46c7-fa66-9021-19b1c3d4a6bd}</UniqueIdentifier>
+    <Filter Include="src\core\lib\channel">
+      <UniqueIdentifier>{fb964f3d-a59c-a7ba-fee5-6072dbb94a7b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\client_config\resolvers">
-      <UniqueIdentifier>{dd617c24-6f07-fdff-80d5-c8610d6f815e}</UniqueIdentifier>
+    <Filter Include="src\core\lib\compression">
+      <UniqueIdentifier>{b88002e9-185e-4e64-49f5-2d8989ce87f6}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\compression">
-      <UniqueIdentifier>{2e3aca1d-223d-10a1-b282-7f9fc68ee6f5}</UniqueIdentifier>
+    <Filter Include="src\core\lib\debug">
+      <UniqueIdentifier>{7f23789d-f18a-2a2d-60fe-a87dc656f539}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\debug">
-      <UniqueIdentifier>{6d8d5774-7291-554d-fafa-583463cd3fd9}</UniqueIdentifier>
+    <Filter Include="src\core\lib\http">
+      <UniqueIdentifier>{748c8078-2027-8641-f485-1d4c66466e79}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\httpcli">
-      <UniqueIdentifier>{1ba3a245-47e7-89b5-b0c9-aca758bd0277}</UniqueIdentifier>
+    <Filter Include="src\core\lib\iomgr">
+      <UniqueIdentifier>{bb1a1cf2-6824-08f0-a9bd-3fafcaf13042}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\iomgr">
-      <UniqueIdentifier>{a9df8b24-ecea-ff6d-8999-d8fa54cd70bf}</UniqueIdentifier>
+    <Filter Include="src\core\lib\json">
+      <UniqueIdentifier>{681cdaeb-c47f-8853-d985-bf13c2873947}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\json">
-      <UniqueIdentifier>{443ffc61-1bea-2477-6e54-1ddf8c139264}</UniqueIdentifier>
+    <Filter Include="src\core\lib\surface">
+      <UniqueIdentifier>{506dc3b3-d884-2b59-0dfa-57ed6affa2d3}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\statistics">
-      <UniqueIdentifier>{e084164c-a069-00e3-db35-4e0b1cd6f0b7}</UniqueIdentifier>
+    <Filter Include="src\core\lib\transport">
+      <UniqueIdentifier>{6c3394d1-27e9-003e-19ed-8116d210f7cc}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\surface">
-      <UniqueIdentifier>{6cd0127e-c24b-d43c-38f5-198db8d4322a}</UniqueIdentifier>
+    <Filter Include="src\core\plugin_registry">
+      <UniqueIdentifier>{babf0a90-e934-f599-5475-e6937d9580fe}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\transport">
-      <UniqueIdentifier>{6687ff98-e36e-c0b1-2756-1bc79edec406}</UniqueIdentifier>
+    <Filter Include="third_party">
+      <UniqueIdentifier>{025c051e-8eba-125b-67f9-173f95176eb2}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\transport\chttp2">
-      <UniqueIdentifier>{5fcd6206-f774-9ae6-4b85-305d6a723843}</UniqueIdentifier>
+    <Filter Include="third_party\nanopb">
+      <UniqueIdentifier>{6511f77d-f28c-80e0-0889-8975e688e344}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj b/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj
index 69f80a8e59..075750afc6 100644
--- a/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj
+++ b/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj
@@ -171,7 +171,7 @@
     </ClCompile>
     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\test.grpc.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\test\cpp\interop\server.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\interop\server_main.cc">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj.filters b/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj.filters
index 8a9ff2704a..51a6b9e73c 100644
--- a/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj.filters
+++ b/vsprojects/vcxproj/interop_server_main/interop_server_main.vcxproj.filters
@@ -10,7 +10,7 @@
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\test.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\cpp\interop\server.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\interop\server_main.cc">
       <Filter>test\cpp\interop</Filter>
     </ClCompile>
   </ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/end2end_certs/end2end_certs.vcxproj b/vsprojects/vcxproj/one_input_fuzzer/one_input_fuzzer.vcxproj
index 85502bace4..ad343e0b4d 100644
--- a/vsprojects/vcxproj/test/end2end/end2end_certs/end2end_certs.vcxproj
+++ b/vsprojects/vcxproj/one_input_fuzzer/one_input_fuzzer.vcxproj
@@ -19,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</ProjectGuid>
+    <ProjectGuid>{3589BCA3-CB0E-58FE-2F67-C4475D5CA517}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -57,10 +57,10 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>end2end_certs</TargetName>
+    <TargetName>one_input_fuzzer</TargetName>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>end2end_certs</TargetName>
+    <TargetName>one_input_fuzzer</TargetName>
   </PropertyGroup>
     <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -147,13 +147,14 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\test_root_cert.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_key.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\one_corpus_entry_fuzzer.c">
     </ClCompile>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/vsprojects/vcxproj/one_input_fuzzer/one_input_fuzzer.vcxproj.filters b/vsprojects/vcxproj/one_input_fuzzer/one_input_fuzzer.vcxproj.filters
new file mode 100644
index 0000000000..8935dfab0f
--- /dev/null
+++ b/vsprojects/vcxproj/one_input_fuzzer/one_input_fuzzer.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\one_corpus_entry_fuzzer.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{178c17dc-766b-aa84-e928-d6bd0e456ff9}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{f08c2f86-ff65-4ce8-1ae6-e40fae0cef67}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\util">
+      <UniqueIdentifier>{17c672ec-2cce-5636-14c8-4812cd2e1b9a}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj b/vsprojects/vcxproj/qps/qps.vcxproj
index 8306e2e235..a57b7409b6 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj
+++ b/vsprojects/vcxproj/qps/qps.vcxproj
@@ -157,7 +157,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\report.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\server.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\stats.h" />
-    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\timer.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\usage_timer.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\benchmark_config.h" />
   </ItemGroup>
   <ItemGroup>
@@ -227,7 +227,7 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\server_sync.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\timer.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\usage_timer.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\util\benchmark_config.cc">
     </ClCompile>
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj.filters b/vsprojects/vcxproj/qps/qps.vcxproj.filters
index 650116a912..eeb9555a6a 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj.filters
+++ b/vsprojects/vcxproj/qps/qps.vcxproj.filters
@@ -46,7 +46,7 @@
     <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\server_sync.cc">
       <Filter>test\cpp\qps</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\timer.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\usage_timer.cc">
       <Filter>test\cpp\qps</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\util\benchmark_config.cc">
@@ -84,7 +84,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\stats.h">
       <Filter>test\cpp\qps</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\timer.h">
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\usage_timer.h">
       <Filter>test\cpp\qps</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\benchmark_config.h">
diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj
new file mode 100644
index 0000000000..9d5aa67e06
--- /dev/null
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj
@@ -0,0 +1,198 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{A18A6879-13EB-F421-E270-03C6DBD6A6B7}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
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+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
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new file mode 100644
index 0000000000..00e4276f1d
--- /dev/null
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diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj
new file mode 100644
index 0000000000..177bfcbb3b
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new file mode 100644
index 0000000000..8c4b705f42
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new file mode 100644
index 0000000000..96ec881985
--- /dev/null
+++ b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj
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+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
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+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
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+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
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+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
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diff --git a/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters
new file mode 100644
index 0000000000..c7400f09ae
--- /dev/null
+++ b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters
@@ -0,0 +1,239 @@
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index 0000000000..6d69eae302
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/concurrent_connectivity_test/concurrent_connectivity_test.vcxproj.filters b/vsprojects/vcxproj/test/concurrent_connectivity_test/concurrent_connectivity_test.vcxproj.filters
new file mode 100644
index 0000000000..a6492c775a
--- /dev/null
+++ b/vsprojects/vcxproj/test/concurrent_connectivity_test/concurrent_connectivity_test.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\surface\concurrent_connectivity_test.c">
+      <Filter>test\core\surface</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{1320b717-a107-004b-c517-074e6a7baf97}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{f205219c-cee2-c0e8-a922-5486f2d31026}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\surface">
+      <UniqueIdentifier>{6804b6ae-88f4-acf9-b3fc-6b12f8e28d4d}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj
new file mode 100644
index 0000000000..76ac196dda
--- /dev/null
+++ b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{F7B6FE68-E847-D7CA-4062-E737E542BCC3}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>dns_resolver_connectivity_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>dns_resolver_connectivity_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_connectivity_test.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters
new file mode 100644
index 0000000000..e49318df11
--- /dev/null
+++ b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_connectivity_test.c">
+      <Filter>test\core\client_config\resolvers</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{7743e287-3311-1206-2766-32381628ff07}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{cc06b800-cd26-f7a8-7ecf-ec789e78881b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\client_config">
+      <UniqueIdentifier>{4fbd5c0a-d1e3-6658-5788-2fc6f2cc9071}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\client_config\resolvers">
+      <UniqueIdentifier>{eab637a2-7ac1-f6be-4fc2-c8989c66070b}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/end2end/end2end_certs/end2end_certs.vcxproj.filters b/vsprojects/vcxproj/test/end2end/end2end_certs/end2end_certs.vcxproj.filters
deleted file mode 100644
index 62b14d1abd..0000000000
--- a/vsprojects/vcxproj/test/end2end/end2end_certs/end2end_certs.vcxproj.filters
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\test_root_cert.c">
-      <Filter>test\core\end2end\data</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
-      <Filter>test\core\end2end\data</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_key.c">
-      <Filter>test\core\end2end\data</Filter>
-    </ClCompile>
-  </ItemGroup>
-
-  <ItemGroup>
-    <Filter Include="test">
-      <UniqueIdentifier>{c94707fc-9ae9-9cc3-8743-77776eb9d9cc}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="test\core">
-      <UniqueIdentifier>{f91d3831-d4bb-0981-77a4-16d8c5be07e9}</UniqueIdentifier>
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-    <Filter Include="test\core\end2end">
-      <UniqueIdentifier>{afbaeee0-7ab8-872c-8c47-3e3e5a8cc5e3}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="test\core\end2end\data">
-      <UniqueIdentifier>{5e4bc33c-7867-c329-d107-009b198f97dc}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-</Project>
-
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_census_test/h2_census_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_census_test/h2_census_test.vcxproj
index 612b5df806..2f63ad02a8 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_census_test/h2_census_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_census_test/h2_census_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_compress_test/h2_compress_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_compress_test/h2_compress_test.vcxproj
index 4b6fbaa585..c9efe0b671 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_compress_test/h2_compress_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_compress_test/h2_compress_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_fakesec_test/h2_fakesec_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_fakesec_test/h2_fakesec_test.vcxproj
index 3406fadc1e..d84176e189 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_fakesec_test/h2_fakesec_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_fakesec_test/h2_fakesec_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj
index 76a9e5600f..a59e08213c 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{BD79A629-4181-DB5E-C28F-44EB280A6F91}</ProjectGuid>
+    <ProjectGuid>{DFD51943-4906-8051-7D66-6A7D50E0D87E}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>h2_uchannel_nosec_test</TargetName>
+    <TargetName>h2_full+trace_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>h2_uchannel_nosec_test</TargetName>
+    <TargetName>h2_full+trace_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj.filters
index c9adeeebaf..c9164af19a 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj.filters
@@ -1,23 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{549b9d3c-70c0-f3de-36d6-5b2ce5fb098c}</UniqueIdentifier>
+      <UniqueIdentifier>{2828a8fc-bcc1-7b1c-4953-0c8eaf9fe643}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{d37f19b6-6893-6a90-09d2-e50d891899ff}</UniqueIdentifier>
+      <UniqueIdentifier>{d8e78fb2-4316-018b-704a-0944fd0c6fd9}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end">
-      <UniqueIdentifier>{bde36bf9-4894-e85b-4a35-f7b1abe9387f}</UniqueIdentifier>
+      <UniqueIdentifier>{1981c949-24c5-413c-ab03-24eff55e803a}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end\fixtures">
-      <UniqueIdentifier>{e16ce654-bd8c-2527-1077-e6cd2639c1cb}</UniqueIdentifier>
+      <UniqueIdentifier>{bfc11ba4-7401-55f0-8513-598aa93e7e1a}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj
index bcf0f34066..6ca9dfa46d 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}</ProjectGuid>
+    <ProjectGuid>{16C713C6-062E-F71F-A44C-52DC35494B27}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>h2_uchannel_test</TargetName>
+    <TargetName>h2_full+trace_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>h2_uchannel_test</TargetName>
+    <TargetName>h2_full+trace_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,16 +158,13 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj.filters
index 611a643a33..87e8e7228b 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj.filters
@@ -1,23 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{0e4c3b3f-4d89-039d-c4d2-3bd39bb5701f}</UniqueIdentifier>
+      <UniqueIdentifier>{00848213-d356-89b0-1d05-8131961dc959}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{75084bcc-1809-7f7a-8989-d8fe2d5d404f}</UniqueIdentifier>
+      <UniqueIdentifier>{863a91b6-f5f9-5326-129a-10003d7af98f}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end">
-      <UniqueIdentifier>{9e123c51-0a8c-f222-f2f9-3cee19f2f99e}</UniqueIdentifier>
+      <UniqueIdentifier>{2733ff09-adc7-fd49-696f-5f72df2f44e2}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end\fixtures">
-      <UniqueIdentifier>{999ee744-f147-9430-9a09-a16f69ecfa2a}</UniqueIdentifier>
+      <UniqueIdentifier>{62aa4eaf-c183-f2af-9ef9-a88ee802702c}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_full_test/h2_full_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_full_test/h2_full_test.vcxproj
index 96bd4361d0..4ac31f1d34 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_full_test/h2_full_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full_test/h2_full_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_oauth2_test/h2_oauth2_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_oauth2_test/h2_oauth2_test.vcxproj
index f89d32c192..67cc3c8141 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_oauth2_test/h2_oauth2_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_oauth2_test/h2_oauth2_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_proxy_test/h2_proxy_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_proxy_test/h2_proxy_test.vcxproj
index 8f56454848..f159dfbd4d 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_proxy_test/h2_proxy_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_proxy_test/h2_proxy_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_test/h2_sockpair+trace_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_test/h2_sockpair+trace_test.vcxproj
index 44427fb134..134913df46 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_test/h2_sockpair+trace_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_test/h2_sockpair+trace_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_1byte_test/h2_sockpair_1byte_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_1byte_test/h2_sockpair_1byte_test.vcxproj
index 5f4e43ff4e..67c548629d 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_1byte_test/h2_sockpair_1byte_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_1byte_test/h2_sockpair_1byte_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_test/h2_sockpair_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_test/h2_sockpair_test.vcxproj
index 96359174bc..515ea021ea 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_test/h2_sockpair_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair_test/h2_sockpair_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_proxy_test/h2_ssl_proxy_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_proxy_test/h2_ssl_proxy_test.vcxproj
index 0693d6573a..c3463b9d61 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_proxy_test/h2_ssl_proxy_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_proxy_test/h2_ssl_proxy_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_test/h2_ssl_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_test/h2_ssl_test.vcxproj
index 64e0c1be4a..217e4153c9 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_test/h2_ssl_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_test/h2_ssl_test.vcxproj
@@ -165,9 +165,6 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
       <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
index 50c1b61c43..22cd102d11 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
@@ -169,24 +169,26 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_with_status.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_connectivity.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_ping.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\connectivity.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\default_host.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\disappearing_server.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\large_metadata.c">
@@ -195,14 +197,14 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\max_message_length.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\metadata.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\negative_deadline.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\no_op.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\payload.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping_pong_streaming.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\registered_call.c">
@@ -219,6 +221,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_delayed_request.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_metadata.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\trailing_metadata.c">
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
index a825a2d8ca..1bb208bba8 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
@@ -28,13 +28,10 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_with_status.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_connectivity.c">
-      <Filter>test\core\end2end\tests</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_ping.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\connectivity.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\default_host.c">
@@ -46,6 +43,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -55,6 +55,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -67,9 +70,6 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\max_message_length.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\metadata.c">
-      <Filter>test\core\end2end\tests</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\negative_deadline.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -79,6 +79,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\payload.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping_pong_streaming.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -103,6 +106,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_delayed_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_metadata.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
index fa559e1af3..bfd437e871 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
@@ -171,24 +171,26 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_with_status.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_connectivity.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_ping.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\connectivity.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\default_host.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\disappearing_server.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\large_metadata.c">
@@ -197,14 +199,14 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\max_message_length.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\metadata.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\negative_deadline.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\no_op.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\payload.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping_pong_streaming.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\registered_call.c">
@@ -221,15 +223,14 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_delayed_request.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_metadata.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\trailing_metadata.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end\end2end_certs\end2end_certs.vcxproj">
-      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
-    </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
index 61afa17e06..61c065f77c 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
@@ -31,13 +31,10 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_with_status.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_connectivity.c">
-      <Filter>test\core\end2end\tests</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\channel_ping.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\compressed_payload.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\connectivity.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\default_host.c">
@@ -49,6 +46,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -58,6 +58,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -70,9 +73,6 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\max_message_length.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\metadata.c">
-      <Filter>test\core\end2end\tests</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\negative_deadline.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -82,6 +82,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\payload.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\ping_pong_streaming.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -106,6 +109,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_delayed_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_metadata.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\simple_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/test/gpr_file_test/gpr_file_test.vcxproj b/vsprojects/vcxproj/test/gpr_backoff_test/gpr_backoff_test.vcxproj
index 5a2fdee123..6aa292ef4f 100644
--- a/vsprojects/vcxproj/test/gpr_file_test/gpr_file_test.vcxproj
+++ b/vsprojects/vcxproj/test/gpr_backoff_test/gpr_backoff_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{13B0BA63-A3A4-D0E7-1DF2-C73281EB0678}</ProjectGuid>
+    <ProjectGuid>{889F570D-E046-BD52-9E4C-B4CD13DFE2DB}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>gpr_file_test</TargetName>
+    <TargetName>gpr_backoff_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>gpr_file_test</TargetName>
+    <TargetName>gpr_backoff_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\support\file_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\support\backoff_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/gpr_file_test/gpr_file_test.vcxproj.filters b/vsprojects/vcxproj/test/gpr_backoff_test/gpr_backoff_test.vcxproj.filters
index ec225bd427..eb3c1bbd8c 100644
--- a/vsprojects/vcxproj/test/gpr_file_test/gpr_file_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/gpr_backoff_test/gpr_backoff_test.vcxproj.filters
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\support\file_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\support\backoff_test.c">
       <Filter>test\core\support</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{ea0f8f5c-afe0-ed4b-ae64-d98a8f32a9e1}</UniqueIdentifier>
+      <UniqueIdentifier>{4b7f1d25-d344-0bcb-63d8-2ba959874ea8}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{2ac0488e-8ef6-c61d-96c0-9cf580283589}</UniqueIdentifier>
+      <UniqueIdentifier>{2bd2fba5-8799-2c78-469f-ec3ba6b01da8}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\support">
-      <UniqueIdentifier>{d2feffa9-e47c-ec2c-ecce-caf8ce85cb08}</UniqueIdentifier>
+      <UniqueIdentifier>{2ef0cfa7-fe3d-2b82-7d0e-f9e293e8f98c}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj b/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj
new file mode 100644
index 0000000000..4182969f50
--- /dev/null
+++ b/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj
@@ -0,0 +1,193 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{B36DE5B4-8B73-1194-7539-974D9524D609}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>gpr_load_file_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>gpr_load_file_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\support\load_file_test.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj.filters b/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj.filters
new file mode 100644
index 0000000000..0edd0fe299
--- /dev/null
+++ b/vsprojects/vcxproj/test/gpr_load_file_test/gpr_load_file_test.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\support\load_file_test.c">
+      <Filter>test\core\support</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{7defb822-a4cc-a221-8900-1041a6c2c134}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{3f3cae49-1efd-7015-0fa1-5621168945d5}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\support">
+      <UniqueIdentifier>{54e9b9b9-021a-139b-53f2-2f8b7173306c}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/census_log_test/census_log_test.vcxproj b/vsprojects/vcxproj/test/grpc_b64_test/grpc_b64_test.vcxproj
index 851086d663..7e6b4df961 100644
--- a/vsprojects/vcxproj/test/census_log_test/census_log_test.vcxproj
+++ b/vsprojects/vcxproj/test/grpc_b64_test/grpc_b64_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{C27CEE16-2BEC-5572-3956-677E9F6F8BED}</ProjectGuid>
+    <ProjectGuid>{A19FD81D-DF19-B8A4-4A8A-6967217FEC85}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>census_log_test</TargetName>
+    <TargetName>grpc_b64_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>census_log_test</TargetName>
+    <TargetName>grpc_b64_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\census\log_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\security\b64_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/grpc_base64_test/grpc_base64_test.vcxproj.filters b/vsprojects/vcxproj/test/grpc_b64_test/grpc_b64_test.vcxproj.filters
index 6db15dfe2d..4335011fe3 100644
--- a/vsprojects/vcxproj/test/grpc_base64_test/grpc_base64_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/grpc_b64_test/grpc_b64_test.vcxproj.filters
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\security\base64_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\security\b64_test.c">
       <Filter>test\core\security</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{a996936d-cc5f-01b6-024a-8c48e97621a1}</UniqueIdentifier>
+      <UniqueIdentifier>{61d5c8e1-ac27-5bd0-d581-aeb585f0157e}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{f24de076-eae7-0bf0-1028-c08488419d68}</UniqueIdentifier>
+      <UniqueIdentifier>{409b4a57-584c-1dc5-db72-1e8d4c462e9d}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\security">
-      <UniqueIdentifier>{4e36400d-5525-a04f-f6bf-4960c950aa00}</UniqueIdentifier>
+      <UniqueIdentifier>{0cb2c3ef-ed46-78ae-140c-29f21dc6fdb1}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj
new file mode 100644
index 0000000000..1509ece9f9
--- /dev/null
+++ b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{990AF023-17D7-8DBF-EB6E-14C7C016C77E}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>grpclb_api_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>grpclb_api_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\lb\v0\load_balancer.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\lb\v0\load_balancer.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\lb\v0\load_balancer.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\lb\v0\load_balancer.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\grpclb\grpclb_api_test.cc">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_util\grpc++_test_util.vcxproj">
+      <Project>{0BE77741-552A-929B-A497-4EF7ECE17A64}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
+      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
new file mode 100644
index 0000000000..6c57b8c162
--- /dev/null
+++ b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\lb\v0\load_balancer.proto">
+      <Filter>src\proto\grpc\lb\v0</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\grpclb\grpclb_api_test.cc">
+      <Filter>test\cpp\grpclb</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="src">
+      <UniqueIdentifier>{a31d21fb-c6ab-75ce-43dc-7d6f506765e6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto">
+      <UniqueIdentifier>{10d49c90-8503-9b10-6678-eed983bc25d9}</UniqueIdentifier>
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+    <Filter Include="src\proto\grpc">
+      <UniqueIdentifier>{8b6be783-e071-44cc-2096-f1c476012556}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc\lb">
+      <UniqueIdentifier>{2981699e-c196-c599-bc17-c177770f89ee}</UniqueIdentifier>
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+    <Filter Include="src\proto\grpc\lb\v0">
+      <UniqueIdentifier>{3d04774a-1c2f-e100-435e-08af5d539250}</UniqueIdentifier>
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+    <Filter Include="test">
+      <UniqueIdentifier>{64736e1d-eb77-664f-34ab-6cf41263d3d8}</UniqueIdentifier>
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+</Project>
+
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
new file mode 100644
index 0000000000..fb10f95574
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{23DF0572-DBF1-08DA-8EAD-8508354C90A4}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
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+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/bad_client\bad_client_test\bad_client_test.vcxproj">
+      <Project>{BA67B418-B699-E41A-9CC4-0279C49481A5}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
new file mode 100644
index 0000000000..c3609f0de4
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
+      <Filter>test\core\bad_client\tests</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{c7d7f2b5-9afd-5668-b11f-ceb3a3503569}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{3175d310-96bd-0c78-72e3-b5985873fa82}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\bad_client">
+      <UniqueIdentifier>{d7e592e2-acda-4572-59b7-20845fb05bd5}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\bad_client\tests">
+      <UniqueIdentifier>{1fa3207b-dc88-d316-7c13-9ac70ddc850e}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/grpc_base64_test/grpc_base64_test.vcxproj b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj
index 3e49ac8ae2..bd5cf1212c 100644
--- a/vsprojects/vcxproj/test/grpc_base64_test/grpc_base64_test.vcxproj
+++ b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{759A2BB1-DA1B-196C-94A3-98687BBC9F36}</ProjectGuid>
+    <ProjectGuid>{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_base64_test</TargetName>
+    <TargetName>http_parser_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_base64_test</TargetName>
+    <TargetName>http_parser_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\security\base64_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\parser_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj.filters b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj.filters
index 1cdc32fb85..4353c3b61f 100644
--- a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj.filters
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\parser_test.c">
-      <Filter>test\core\httpcli</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\parser_test.c">
+      <Filter>test\core\http</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{f3562e8b-3020-c79a-4e3b-c895f9e49f44}</UniqueIdentifier>
+      <UniqueIdentifier>{1d07f09d-a0ec-d684-3589-bff02afbe830}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{db527686-b5c7-68df-a106-bd919f60742a}</UniqueIdentifier>
+      <UniqueIdentifier>{eedab59d-9f19-9172-cf0e-83a839217afc}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\httpcli">
-      <UniqueIdentifier>{8e60d460-93de-c6e1-b67b-bfae71bd9bca}</UniqueIdentifier>
+    <Filter Include="test\core\http">
+      <UniqueIdentifier>{1fcac48f-3718-00ea-6c0c-aafa1a4de528}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
index 97f14f6c8e..5515349b9b 100644
--- a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
+++ b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\format_request_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\format_request_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
index c54ded579b..6f941f4361 100644
--- a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\format_request_test.c">
-      <Filter>test\core\httpcli</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\format_request_test.c">
+      <Filter>test\core\http</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,8 +13,8 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{f033cf49-b830-5698-3989-6ec75817333b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\httpcli">
-      <UniqueIdentifier>{75330e6a-521e-5f90-defd-652a4591dbe9}</UniqueIdentifier>
+    <Filter Include="test\core\http">
+      <UniqueIdentifier>{51615bc9-b61d-8d7d-9abb-5409276c04ec}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj
new file mode 100644
index 0000000000..11d89a01c1
--- /dev/null
+++ b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>internal_api_canary_iomgr_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>internal_api_canary_iomgr_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
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new file mode 100644
index 0000000000..f1ee82d1f4
--- /dev/null
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new file mode 100644
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters
new file mode 100644
index 0000000000..84c5d1e377
--- /dev/null
+++ b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\json_run_localhost.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{6a0e8372-94ed-67cd-edda-56ba97debf76}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{2a065f28-e35d-1a75-6e12-fd86e7b99443}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\qps">
+      <UniqueIdentifier>{6eec400a-a3a2-2904-8b49-92aeb69c4448}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj b/vsprojects/vcxproj/test/mlog_test/mlog_test.vcxproj
index 6f976309c5..44b9a971f8 100644
--- a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj
+++ b/vsprojects/vcxproj/test/mlog_test/mlog_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}</ProjectGuid>
+    <ProjectGuid>{9345E329-80F3-DED4-FDC3-BF63FCEA2C03}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>httpcli_parser_test</TargetName>
+    <TargetName>mlog_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>httpcli_parser_test</TargetName>
+    <TargetName>mlog_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\parser_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\census\mlog_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/census_log_test/census_log_test.vcxproj.filters b/vsprojects/vcxproj/test/mlog_test/mlog_test.vcxproj.filters
index 135c77847f..982deddf97 100644
--- a/vsprojects/vcxproj/test/census_log_test/census_log_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/mlog_test/mlog_test.vcxproj.filters
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\census\log_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\census\mlog_test.c">
       <Filter>test\core\census</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{4d0aae38-6975-cafb-30a6-a7c2c87d22ff}</UniqueIdentifier>
+      <UniqueIdentifier>{cf4f3b02-7a43-f5b5-708a-938b179be26e}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{fb85321f-d3b5-ef2f-c5aa-34660a5e0c7b}</UniqueIdentifier>
+      <UniqueIdentifier>{74b31c41-bf60-9274-a718-f33cd7c659b4}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\census">
-      <UniqueIdentifier>{f23141da-cbe2-70fa-8207-858af868eb18}</UniqueIdentifier>
+      <UniqueIdentifier>{2117a367-a751-9526-028f-07b5e88f7037}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj
new file mode 100644
index 0000000000..d1dea3ec4a
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj
@@ -0,0 +1,213 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{79B45023-E5EB-4DF4-BBED-525CC0ACD832}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>qps_json_driver</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>qps_json_driver</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\qps_json_driver.cc">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\qps\qps.vcxproj">
+      <Project>{8423B0C5-2428-CA10-82EF-7B5C1F3D8011}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_util\grpc++_test_util.vcxproj">
+      <Project>{0BE77741-552A-929B-A497-4EF7ECE17A64}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
+      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_config\grpc++_test_config.vcxproj">
+      <Project>{3F7D093D-11F9-C4BC-BEB7-18EB28E3F290}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters
new file mode 100644
index 0000000000..62b9be85cc
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\qps_json_driver.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{51cad99a-2bf1-0e37-a1be-0c9ad02355d3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{f8692949-7450-0a31-11fc-a17ea63b6357}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\qps">
+      <UniqueIdentifier>{73b4c157-7352-ba56-4790-66e27fa90451}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj
new file mode 100644
index 0000000000..0ed96fcf8f
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj
@@ -0,0 +1,217 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{89ACCD5A-8411-634E-BF28-7115F46A807D}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
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diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters
new file mode 100644
index 0000000000..a1f2390827
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters
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