Merge github.com:google/grpc into async-api

1 files changed, 191 insertions, 72 deletions

diff --git a/Makefile b/Makefile
index 7ec690ef22..5607edce11 100644
--- a/Makefile
+++ b/Makefile
@@ -385,14 +385,15 @@ credentials_test: bins/$(CONFIG)/credentials_test
 end2end_test: bins/$(CONFIG)/end2end_test
 interop_client: bins/$(CONFIG)/interop_client
 interop_server: bins/$(CONFIG)/interop_server
+tips_client: bins/$(CONFIG)/tips_client
+tips_publisher_test: bins/$(CONFIG)/tips_publisher_test
+tips_subscriber_test: bins/$(CONFIG)/tips_subscriber_test
 qps_client: bins/$(CONFIG)/qps_client
 qps_server: bins/$(CONFIG)/qps_server
 ruby_plugin: bins/$(CONFIG)/ruby_plugin
 status_test: bins/$(CONFIG)/status_test
 sync_client_async_server_test: bins/$(CONFIG)/sync_client_async_server_test
 thread_pool_test: bins/$(CONFIG)/thread_pool_test
-tips_client: bins/$(CONFIG)/tips_client
-tips_client_test: bins/$(CONFIG)/tips_client_test
 chttp2_fake_security_cancel_after_accept_test: bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test
 chttp2_fake_security_cancel_after_accept_and_writes_closed_test: bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test
 chttp2_fake_security_cancel_after_invoke_test: bins/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test
@@ -552,13 +553,13 @@ endif
 
 static: static_c static_cxx
 
-static_c:  libs/$(CONFIG)/libgpr.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgrpc_unsecure.a
+static_c:  libs/$(CONFIG)/libgpr.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgrpc_unsecure.a libs/$(CONFIG)/libgrpc_csharp_ext.a
 
 static_cxx:  libs/$(CONFIG)/libgrpc++.a
 
 shared: shared_c shared_cxx
 
-shared_c:  libs/$(CONFIG)/libgpr.$(SHARED_EXT) libs/$(CONFIG)/libgrpc.$(SHARED_EXT) libs/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+shared_c:  libs/$(CONFIG)/libgpr.$(SHARED_EXT) libs/$(CONFIG)/libgrpc.$(SHARED_EXT) libs/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT)
 
 shared_cxx:  libs/$(CONFIG)/libgrpc++.$(SHARED_EXT)
 
@@ -572,7 +573,7 @@ buildtests: buildtests_c buildtests_cxx
 
 buildtests_c: privatelibs_c bins/$(CONFIG)/alarm_heap_test bins/$(CONFIG)/alarm_list_test bins/$(CONFIG)/alarm_test bins/$(CONFIG)/alpn_test bins/$(CONFIG)/bin_encoder_test bins/$(CONFIG)/census_hash_table_test bins/$(CONFIG)/census_statistics_multiple_writers_circular_buffer_test bins/$(CONFIG)/census_statistics_multiple_writers_test bins/$(CONFIG)/census_statistics_performance_test bins/$(CONFIG)/census_statistics_quick_test bins/$(CONFIG)/census_statistics_small_log_test bins/$(CONFIG)/census_stub_test bins/$(CONFIG)/census_window_stats_test bins/$(CONFIG)/chttp2_status_conversion_test bins/$(CONFIG)/chttp2_stream_encoder_test bins/$(CONFIG)/chttp2_stream_map_test bins/$(CONFIG)/chttp2_transport_end2end_test bins/$(CONFIG)/dualstack_socket_test bins/$(CONFIG)/echo_client bins/$(CONFIG)/echo_server bins/$(CONFIG)/echo_test bins/$(CONFIG)/fd_posix_test bins/$(CONFIG)/fling_client bins/$(CONFIG)/fling_server bins/$(CONFIG)/fling_stream_test bins/$(CONFIG)/fling_test bins/$(CONFIG)/gpr_cancellable_test bins/$(CONFIG)/gpr_cmdline_test bins/$(CONFIG)/gpr_histogram_test bins/$(CONFIG)/gpr_host_port_test bins/$(CONFIG)/gpr_log_test bins/$(CONFIG)/gpr_slice_buffer_test bins/$(CONFIG)/gpr_slice_test bins/$(CONFIG)/gpr_string_test bins/$(CONFIG)/gpr_sync_test bins/$(CONFIG)/gpr_thd_test bins/$(CONFIG)/gpr_time_test bins/$(CONFIG)/gpr_useful_test bins/$(CONFIG)/grpc_base64_test bins/$(CONFIG)/grpc_byte_buffer_reader_test bins/$(CONFIG)/grpc_channel_stack_test bins/$(CONFIG)/grpc_completion_queue_test bins/$(CONFIG)/grpc_credentials_test bins/$(CONFIG)/grpc_json_token_test bins/$(CONFIG)/grpc_stream_op_test bins/$(CONFIG)/hpack_parser_test bins/$(CONFIG)/hpack_table_test bins/$(CONFIG)/httpcli_format_request_test bins/$(CONFIG)/httpcli_parser_test bins/$(CONFIG)/httpcli_test bins/$(CONFIG)/json_rewrite bins/$(CONFIG)/json_rewrite_test bins/$(CONFIG)/json_test bins/$(CONFIG)/lame_client_test bins/$(CONFIG)/message_compress_test bins/$(CONFIG)/metadata_buffer_test bins/$(CONFIG)/murmur_hash_test bins/$(CONFIG)/no_server_test bins/$(CONFIG)/poll_kick_posix_test bins/$(CONFIG)/resolve_address_test bins/$(CONFIG)/secure_endpoint_test bins/$(CONFIG)/sockaddr_utils_test bins/$(CONFIG)/tcp_client_posix_test bins/$(CONFIG)/tcp_posix_test bins/$(CONFIG)/tcp_server_posix_test bins/$(CONFIG)/time_averaged_stats_test bins/$(CONFIG)/time_test bins/$(CONFIG)/timeout_encoding_test bins/$(CONFIG)/transport_metadata_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test bins/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test bins/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_fake_security_census_simple_request_test bins/$(CONFIG)/chttp2_fake_security_disappearing_server_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_fake_security_invoke_large_request_test bins/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test bins/$(CONFIG)/chttp2_fake_security_no_op_test bins/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test bins/$(CONFIG)/chttp2_fake_security_simple_request_test bins/$(CONFIG)/chttp2_fake_security_thread_stress_test bins/$(CONFIG)/chttp2_fake_security_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_fullstack_no_op_test bins/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_fullstack_simple_request_test bins/$(CONFIG)/chttp2_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_no_op_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_no_op_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_test bins/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_test bins/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_socket_pair_census_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_disappearing_server_test bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_socket_pair_invoke_large_request_test bins/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_test bins/$(CONFIG)/chttp2_socket_pair_no_op_test bins/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test bins/$(CONFIG)/chttp2_socket_pair_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_thread_stress_test bins/$(CONFIG)/chttp2_socket_pair_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
 
-buildtests_cxx: privatelibs_cxx bins/$(CONFIG)/channel_arguments_test bins/$(CONFIG)/credentials_test bins/$(CONFIG)/end2end_test bins/$(CONFIG)/interop_client bins/$(CONFIG)/interop_server bins/$(CONFIG)/qps_client bins/$(CONFIG)/qps_server bins/$(CONFIG)/status_test bins/$(CONFIG)/sync_client_async_server_test bins/$(CONFIG)/thread_pool_test bins/$(CONFIG)/tips_client bins/$(CONFIG)/tips_client_test
+buildtests_cxx: privatelibs_cxx bins/$(CONFIG)/channel_arguments_test bins/$(CONFIG)/credentials_test bins/$(CONFIG)/end2end_test bins/$(CONFIG)/interop_client bins/$(CONFIG)/interop_server bins/$(CONFIG)/tips_client bins/$(CONFIG)/tips_publisher_test bins/$(CONFIG)/tips_subscriber_test bins/$(CONFIG)/qps_client bins/$(CONFIG)/qps_server bins/$(CONFIG)/status_test bins/$(CONFIG)/sync_client_async_server_test bins/$(CONFIG)/thread_pool_test
 
 test: test_c test_cxx
 
@@ -976,6 +977,10 @@ test_cxx: buildtests_cxx
 	$(Q) ./bins/$(CONFIG)/credentials_test || ( echo test credentials_test failed ; exit 1 )
 	$(E) "[RUN]     Testing end2end_test"
 	$(Q) ./bins/$(CONFIG)/end2end_test || ( echo test end2end_test failed ; exit 1 )
+	$(E) "[RUN]     Testing tips_publisher_test"
+	$(Q) ./bins/$(CONFIG)/tips_publisher_test || ( echo test tips_publisher_test failed ; exit 1 )
+	$(E) "[RUN]     Testing tips_subscriber_test"
+	$(Q) ./bins/$(CONFIG)/tips_subscriber_test || ( echo test tips_subscriber_test failed ; exit 1 )
 	$(E) "[RUN]     Testing qps_client"
 	$(Q) ./bins/$(CONFIG)/qps_client || ( echo test qps_client failed ; exit 1 )
 	$(E) "[RUN]     Testing qps_server"
@@ -986,8 +991,6 @@ test_cxx: buildtests_cxx
 	$(Q) ./bins/$(CONFIG)/sync_client_async_server_test || ( echo test sync_client_async_server_test failed ; exit 1 )
 	$(E) "[RUN]     Testing thread_pool_test"
 	$(Q) ./bins/$(CONFIG)/thread_pool_test || ( echo test thread_pool_test failed ; exit 1 )
-	$(E) "[RUN]     Testing tips_client_test"
-	$(Q) ./bins/$(CONFIG)/tips_client_test || ( echo test tips_client_test failed ; exit 1 )
 
 
 tools: privatelibs bins/$(CONFIG)/gen_hpack_tables bins/$(CONFIG)/grpc_fetch_oauth2
@@ -1015,6 +1018,8 @@ ifeq ($(CONFIG),opt)
 	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc.a
 	$(E) "[STRIP]   Stripping libgrpc_unsecure.a"
 	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc_unsecure.a
+	$(E) "[STRIP]   Stripping libgrpc_csharp_ext.a"
+	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc_csharp_ext.a
 endif
 
 strip-static_cxx: static_cxx
@@ -1031,6 +1036,8 @@ ifeq ($(CONFIG),opt)
 	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[STRIP]   Stripping libgrpc_unsecure.so"
 	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+	$(E) "[STRIP]   Stripping libgrpc_csharp_ext.so"
+	$(Q) $(STRIP) libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT)
 endif
 
 strip-shared_cxx: shared_cxx
@@ -1136,6 +1143,8 @@ install-static_c: static_c strip-static_c
 	$(Q) $(INSTALL) libs/$(CONFIG)/libgrpc.a $(prefix)/lib/libgrpc.a
 	$(E) "[INSTALL] Installing libgrpc_unsecure.a"
 	$(Q) $(INSTALL) libs/$(CONFIG)/libgrpc_unsecure.a $(prefix)/lib/libgrpc_unsecure.a
+	$(E) "[INSTALL] Installing libgrpc_csharp_ext.a"
+	$(Q) $(INSTALL) libs/$(CONFIG)/libgrpc_csharp_ext.a $(prefix)/lib/libgrpc_csharp_ext.a
 
 install-static_cxx: static_cxx strip-static_cxx
 	$(E) "[INSTALL] Installing libgrpc++.a"
@@ -1175,6 +1184,17 @@ ifneq ($(SYSTEM),Darwin)
 	$(Q) ln -sf libgrpc_unsecure.$(SHARED_EXT) $(prefix)/lib/libgrpc_unsecure.so
 endif
 endif
+ifeq ($(SYSTEM),MINGW32)
+	$(E) "[INSTALL] Installing grpc_csharp_ext.$(SHARED_EXT)"
+	$(Q) $(INSTALL) libs/$(CONFIG)/grpc_csharp_ext.$(SHARED_EXT) $(prefix)/lib/grpc_csharp_ext.$(SHARED_EXT)
+	$(Q) $(INSTALL) libs/$(CONFIG)/libgrpc_csharp_ext-imp.a $(prefix)/lib/libgrpc_csharp_ext-imp.a
+else
+	$(E) "[INSTALL] Installing libgrpc_csharp_ext.$(SHARED_EXT)"
+	$(Q) $(INSTALL) libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT) $(prefix)/lib/libgrpc_csharp_ext.$(SHARED_EXT)
+ifneq ($(SYSTEM),Darwin)
+	$(Q) ln -sf libgrpc_csharp_ext.$(SHARED_EXT) $(prefix)/lib/libgrpc_csharp_ext.so
+endif
+endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
 	$(Q) ldconfig
@@ -2249,7 +2269,8 @@ LIBTIPS_CLIENT_LIB_SRC = \
     gens/examples/tips/label.pb.cc \
     gens/examples/tips/empty.pb.cc \
     gens/examples/tips/pubsub.pb.cc \
-    examples/tips/client.cc \
+    examples/tips/publisher.cc \
+    examples/tips/subscriber.cc \
 
 
 LIBTIPS_CLIENT_LIB_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBTIPS_CLIENT_LIB_SRC))))
@@ -2267,7 +2288,8 @@ ifneq ($(OPENSSL_DEP),)
 examples/tips/label.proto: $(OPENSSL_DEP)
 examples/tips/empty.proto: $(OPENSSL_DEP)
 examples/tips/pubsub.proto: $(OPENSSL_DEP)
-examples/tips/client.cc: $(OPENSSL_DEP)
+examples/tips/publisher.cc: $(OPENSSL_DEP)
+examples/tips/subscriber.cc: $(OPENSSL_DEP)
 endif
 
 libs/$(CONFIG)/libtips_client_lib.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBTIPS_CLIENT_LIB_OBJS)
@@ -2294,7 +2316,73 @@ endif
 
 
 
-objs/$(CONFIG)/examples/tips/client.o:     gens/examples/tips/label.pb.cc    gens/examples/tips/empty.pb.cc    gens/examples/tips/pubsub.pb.cc
+objs/$(CONFIG)/examples/tips/publisher.o:     gens/examples/tips/label.pb.cc    gens/examples/tips/empty.pb.cc    gens/examples/tips/pubsub.pb.cc
+objs/$(CONFIG)/examples/tips/subscriber.o:     gens/examples/tips/label.pb.cc    gens/examples/tips/empty.pb.cc    gens/examples/tips/pubsub.pb.cc
+
+
+LIBGRPC_CSHARP_EXT_SRC = \
+    src/csharp/ext/grpc_csharp_ext.c \
+
+
+LIBGRPC_CSHARP_EXT_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_CSHARP_EXT_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure libraries if you don't have OpenSSL with ALPN.
+
+libs/$(CONFIG)/libgrpc_csharp_ext.a: openssl_dep_error
+
+ifeq ($(SYSTEM),MINGW32)
+libs/$(CONFIG)/grpc_csharp_ext.$(SHARED_EXT): openssl_dep_error
+else
+libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT): openssl_dep_error
+endif
+
+else
+
+ifneq ($(OPENSSL_DEP),)
+src/csharp/ext/grpc_csharp_ext.c: $(OPENSSL_DEP)
+endif
+
+libs/$(CONFIG)/libgrpc_csharp_ext.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(LIBGRPC_CSHARP_EXT_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f libs/$(CONFIG)/libgrpc_csharp_ext.a
+	$(Q) $(AR) rcs libs/$(CONFIG)/libgrpc_csharp_ext.a $(LIBGRPC_CSHARP_EXT_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib libs/$(CONFIG)/libgrpc_csharp_ext.a 
+endif
+
+
+
+ifeq ($(SYSTEM),MINGW32)
+libs/$(CONFIG)/grpc_csharp_ext.$(SHARED_EXT): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP)libs/$(CONFIG)/gpr.$(SHARED_EXT)libs/$(CONFIG)/grpc.$(SHARED_EXT) $(OPENSSL_DEP)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) -Llibs/$(CONFIG) -shared -Wl,--output-def=libs/$(CONFIG)/grpc_csharp_ext.def -Wl,--out-implib=libs/$(CONFIG)/libgrpc_csharp_ext-imp.a -o libs/$(CONFIG)/grpc_csharp_ext.$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LDLIBS_SECURE) $(OPENSSL_MERGE_LIBS) -lgpr-imp -lgrpc-imp
+else
+libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) libs/$(CONFIG)/libgpr.$(SHARED_EXT) libs/$(CONFIG)/libgrpc.$(SHARED_EXT) $(OPENSSL_DEP)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+ifeq ($(SYSTEM),Darwin)
+	$(Q) $(LD) $(LDFLAGS) -Llibs/$(CONFIG) -dynamiclib -o libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LDLIBS_SECURE) $(OPENSSL_MERGE_LIBS) -lgpr -lgrpc
+else
+	$(Q) $(LD) $(LDFLAGS) -Llibs/$(CONFIG) -shared -Wl,-soname,libgrpc_csharp_ext.so.0 -o libs/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LDLIBS_SECURE) $(OPENSSL_MERGE_LIBS) -lgpr -lgrpc
+	$(Q) ln -sf libgrpc_csharp_ext.$(SHARED_EXT) libs/$(CONFIG)/libgrpc_csharp_ext.so.0
+	$(Q) ln -sf libgrpc_csharp_ext.$(SHARED_EXT) libs/$(CONFIG)/libgrpc_csharp_ext.so
+endif
+endif
+
+
+endif
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(LIBGRPC_CSHARP_EXT_OBJS:.o=.dep)
+endif
+endif
+
+objs/$(CONFIG)/src/csharp/ext/grpc_csharp_ext.o: 
 
 
 LIBEND2END_FIXTURE_CHTTP2_FAKE_SECURITY_SRC = \
@@ -5696,6 +5784,99 @@ endif
 endif
 
 
+TIPS_CLIENT_SRC = \
+    examples/tips/main.cc \
+
+TIPS_CLIENT_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(TIPS_CLIENT_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/tips_client: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/tips_client: $(TIPS_CLIENT_OBJS) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(TIPS_CLIENT_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/tips_client
+
+endif
+
+objs/$(CONFIG)/examples/tips/main.o:  libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+
+deps_tips_client: $(TIPS_CLIENT_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(TIPS_CLIENT_OBJS:.o=.dep)
+endif
+endif
+
+
+TIPS_PUBLISHER_TEST_SRC = \
+    examples/tips/publisher_test.cc \
+
+TIPS_PUBLISHER_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(TIPS_PUBLISHER_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/tips_publisher_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/tips_publisher_test: $(TIPS_PUBLISHER_TEST_OBJS) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(TIPS_PUBLISHER_TEST_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/tips_publisher_test
+
+endif
+
+objs/$(CONFIG)/examples/tips/publisher_test.o:  libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+
+deps_tips_publisher_test: $(TIPS_PUBLISHER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(TIPS_PUBLISHER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+TIPS_SUBSCRIBER_TEST_SRC = \
+    examples/tips/subscriber_test.cc \
+
+TIPS_SUBSCRIBER_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(TIPS_SUBSCRIBER_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/tips_subscriber_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/tips_subscriber_test: $(TIPS_SUBSCRIBER_TEST_OBJS) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(TIPS_SUBSCRIBER_TEST_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/tips_subscriber_test
+
+endif
+
+objs/$(CONFIG)/examples/tips/subscriber_test.o:  libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+
+deps_tips_subscriber_test: $(TIPS_SUBSCRIBER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(TIPS_SUBSCRIBER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 QPS_CLIENT_SRC = \
     gens/test/cpp/qps/qpstest.pb.cc \
     test/cpp/qps/client.cc \
@@ -5876,68 +6057,6 @@ endif
 endif
 
 
-TIPS_CLIENT_SRC = \
-    examples/tips/client_main.cc \
-
-TIPS_CLIENT_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(TIPS_CLIENT_SRC))))
-
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL with ALPN.
-
-bins/$(CONFIG)/tips_client: openssl_dep_error
-
-else
-
-bins/$(CONFIG)/tips_client: $(TIPS_CLIENT_OBJS) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(TIPS_CLIENT_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/tips_client
-
-endif
-
-objs/$(CONFIG)/examples/tips/client_main.o:  libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
-
-deps_tips_client: $(TIPS_CLIENT_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(TIPS_CLIENT_OBJS:.o=.dep)
-endif
-endif
-
-
-TIPS_CLIENT_TEST_SRC = \
-    examples/tips/client_test.cc \
-
-TIPS_CLIENT_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(TIPS_CLIENT_TEST_SRC))))
-
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL with ALPN.
-
-bins/$(CONFIG)/tips_client_test: openssl_dep_error
-
-else
-
-bins/$(CONFIG)/tips_client_test: $(TIPS_CLIENT_TEST_OBJS) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(TIPS_CLIENT_TEST_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/tips_client_test
-
-endif
-
-objs/$(CONFIG)/examples/tips/client_test.o:  libs/$(CONFIG)/libtips_client_lib.a libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
-
-deps_tips_client_test: $(TIPS_CLIENT_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(TIPS_CLIENT_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 CHTTP2_FAKE_SECURITY_CANCEL_AFTER_ACCEPT_TEST_SRC = \
 
 CHTTP2_FAKE_SECURITY_CANCEL_AFTER_ACCEPT_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FAKE_SECURITY_CANCEL_AFTER_ACCEPT_TEST_SRC))))