merge with head

22 files changed, 1097 insertions, 120 deletions

diff --git a/setup.py b/setup.py
index 93b1a3ae47..b70fab3398 100644
--- a/setup.py
+++ b/setup.py
@@ -54,6 +54,8 @@ sys.path.insert(0, PYTHON_STEM)
 import commands
 import grpc_core_dependencies
 
+LICENSE = '3-clause BSD'
+
 # Environment variable to determine whether or not the Cython extension should
 # *use* Cython or use the generated C files. Note that this requires the C files
 # to have been generated by building first *with* Cython support.
@@ -79,15 +81,10 @@ EXTENSION_LIBRARIES = ()
 if not "darwin" in sys.platform:
     EXTENSION_LIBRARIES += ('rt',)
 
-EXTRA_COMPILE_ARGS = ()
-if not "win" in sys.platform:
-  EXTRA_COMPILE_ARGS = ('-pthread',)
-
 DEFINE_MACROS = (('OPENSSL_NO_ASM', 1),)
 
 def cython_extensions(package_names, module_names, include_dirs, libraries,
-                      define_macros, extra_compile_args,
-                      build_with_cython=False):
+                      define_macros, build_with_cython=False):
   if ENABLE_CYTHON_TRACING:
     define_macros = define_macros + [('CYTHON_TRACE_NOGIL', 1)]
   file_extension = 'pyx' if build_with_cython else 'c'
@@ -99,7 +96,6 @@ def cython_extensions(package_names, module_names, include_dirs, libraries,
           name=module_name,
           sources=[module_file] + grpc_core_dependencies.CORE_SOURCE_FILES,
           include_dirs=include_dirs, libraries=libraries,
-          extra_compile_args=extra_compile_args,
           define_macros=define_macros,
       ) for (module_name, module_file) in zip(module_names, module_files)
   ]
@@ -115,7 +111,7 @@ def cython_extensions(package_names, module_names, include_dirs, libraries,
 CYTHON_EXTENSION_MODULES = cython_extensions(
     list(CYTHON_EXTENSION_PACKAGE_NAMES), list(CYTHON_EXTENSION_MODULE_NAMES),
     list(EXTENSION_INCLUDE_DIRECTORIES), list(EXTENSION_LIBRARIES),
-    list(DEFINE_MACROS), list(EXTRA_COMPILE_ARGS), bool(BUILD_WITH_CYTHON))
+    list(DEFINE_MACROS), bool(BUILD_WITH_CYTHON))
 
 PACKAGE_DIRECTORIES = {
     '': PYTHON_STEM,
@@ -135,6 +131,7 @@ COMMAND_CLASS = {
     'build_proto_modules': commands.BuildProtoModules,
     'build_project_metadata': commands.BuildProjectMetadata,
     'build_py': commands.BuildPy,
+    'build_ext': commands.BuildExt,
     'gather': commands.Gather,
     'run_interop': commands.RunInterop,
 }
@@ -186,7 +183,8 @@ else:
 
 setuptools.setup(
     name='grpcio',
-    version='0.12.0b1',
+    version='0.12.0b5',
+    license=LICENSE,
     ext_modules=CYTHON_EXTENSION_MODULES,
     packages=list(PACKAGES),
     package_dir=PACKAGE_DIRECTORIES,
diff --git a/src/cpp/util/byte_buffer.cc b/src/cpp/util/byte_buffer.cc
index df873eb1ce..2952f94b24 100644
--- a/src/cpp/util/byte_buffer.cc
+++ b/src/cpp/util/byte_buffer.cc
@@ -69,6 +69,7 @@ void ByteBuffer::Dump(std::vector<Slice>* slices) const {
   while (grpc_byte_buffer_reader_next(&reader, &s)) {
     slices->push_back(Slice(s, Slice::STEAL_REF));
   }
+  grpc_byte_buffer_reader_destroy(&reader);
 }
 
 size_t ByteBuffer::Length() const {
@@ -88,4 +89,4 @@ ByteBuffer& ByteBuffer::operator=(const ByteBuffer& buf) {
   return *this;
 }
 
-}  // namespace grpc
\ No newline at end of file
+}  // namespace grpc
diff --git a/src/proto/grpc/testing/duplicate/echo_duplicate.proto b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
index d5891db4ce..94130ea767 100644
--- a/src/proto/grpc/testing/duplicate/echo_duplicate.proto
+++ b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
@@ -36,6 +36,6 @@ import "src/proto/grpc/testing/echo_messages.proto";
 
 package grpc.testing.duplicate;
 
-service TestService {
+service EchoTestService {
   rpc Echo(grpc.testing.EchoRequest) returns (grpc.testing.EchoResponse);
 }
diff --git a/src/proto/grpc/testing/echo.proto b/src/proto/grpc/testing/echo.proto
index 0896f50a99..0eef53a92a 100644
--- a/src/proto/grpc/testing/echo.proto
+++ b/src/proto/grpc/testing/echo.proto
@@ -34,7 +34,7 @@ import "src/proto/grpc/testing/echo_messages.proto";
 
 package grpc.testing;
 
-service TestService {
+service EchoTestService {
   rpc Echo(EchoRequest) returns (EchoResponse);
   rpc RequestStream(stream EchoRequest) returns (EchoResponse);
   rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index 81dab1b518..e1a3f4bed3 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -40,6 +40,17 @@ import setuptools
 from setuptools.command import build_py
 from setuptools.command import test
 
+# Because we need to support building without Cython but simultaneously need to
+# subclass its command class when we need to and because distutils requires a
+# special hook to acquire a command class, we attempt to import Cython's
+# build_ext, and if that fails we import setuptools'.
+try:
+  # Due to the strange way Cython's Distutils module re-imports build_ext, we
+  # import the build_ext class directly.
+  from Cython.Distutils.build_ext import build_ext
+except ImportError:
+  from setuptools.command.build_ext import build_ext
+
 PYTHON_STEM = os.path.dirname(os.path.abspath(__file__))
 
 CONF_PY_ADDENDUM = """
@@ -51,6 +62,10 @@ html_theme = 'sphinx_rtd_theme'
 """
 
 
+class CommandError(Exception):
+  """Simple exception class for GRPC custom commands."""
+
+
 class SphinxDocumentation(setuptools.Command):
   """Command to generate documentation via sphinx."""
 
@@ -104,10 +119,10 @@ class BuildProtoModules(setuptools.Command):
 
   def run(self):
     if not self.protoc_command:
-      raise Exception('could not find protoc')
+      raise CommandError('could not find protoc')
     if not self.grpc_python_plugin_command:
-      raise Exception('could not find grpc_python_plugin '
-                      '(protoc plugin for GRPC Python)')
+      raise CommandError('could not find grpc_python_plugin '
+                         '(protoc plugin for GRPC Python)')
     include_regex = re.compile(self.include)
     exclude_regex = re.compile(self.exclude) if self.exclude else None
     paths = []
@@ -130,7 +145,7 @@ class BuildProtoModules(setuptools.Command):
       subprocess.check_output(' '.join(command), cwd=root_directory, shell=True,
                               stderr=subprocess.STDOUT)
     except subprocess.CalledProcessError as e:
-      raise Exception('Command:\n{}\nMessage:\n{}\nOutput:\n{}'.format(
+      raise CommandError('Command:\n{}\nMessage:\n{}\nOutput:\n{}'.format(
           command, e.message, e.output))
 
 
@@ -156,13 +171,34 @@ class BuildPy(build_py.build_py):
   """Custom project build command."""
 
   def run(self):
-    # TODO(atash): make this warn if the proto modules couldn't be built rather
-    # than cause build failure
-    self.run_command('build_proto_modules')
+    try:
+      self.run_command('build_proto_modules')
+    except CommandError as error:
+      sys.stderr.write('warning: %s\n' % error.message)
     self.run_command('build_project_metadata')
     build_py.build_py.run(self)
 
 
+class BuildExt(build_ext):
+  """Custom build_ext command to enable compiler-specific flags."""
+
+  C_OPTIONS = {
+      'unix': ('-pthread', '-std=gnu99'),
+      'msvc': (),
+  }
+  LINK_OPTIONS = {}
+
+  def build_extensions(self):
+    compiler = self.compiler.compiler_type
+    if compiler in BuildExt.C_OPTIONS:
+      for extension in self.extensions:
+        extension.extra_compile_args += list(BuildExt.C_OPTIONS[compiler])
+    if compiler in BuildExt.LINK_OPTIONS:
+      for extension in self.extensions:
+        extension.extra_link_args += list(BuildExt.LINK_OPTIONS[compiler])
+    build_ext.build_extensions(self)
+
+
 class Gather(setuptools.Command):
   """Command to gather project dependencies."""
 
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 320a064592..0616cc07ee 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -33,21 +33,21 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.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"
+#include "test/core/util/test_config.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 #ifdef GPR_POSIX_SOCKET
@@ -201,7 +201,7 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
   void SendRpc(int num_rpcs) {
@@ -239,9 +239,9 @@ class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
   }
 
   std::unique_ptr<ServerCompletionQueue> cq_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
-  grpc::testing::TestService::AsyncService service_;
+  grpc::testing::EchoTestService::AsyncService service_;
   std::ostringstream server_address_;
 };
 
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 68c63b2f93..c01f40dbc2 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -31,21 +31,21 @@
  *
  */
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.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"
+#include "test/core/util/test_config.h"
 #include "test/cpp/util/subprocess.h"
 
 using grpc::testing::EchoRequest;
@@ -63,7 +63,7 @@ class CrashTest : public ::testing::Test {
  protected:
   CrashTest() {}
 
-  std::unique_ptr<grpc::testing::TestService::Stub> CreateServerAndStub() {
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> CreateServerAndStub() {
     auto port = grpc_pick_unused_port_or_die();
     std::ostringstream addr_stream;
     addr_stream << "localhost:" << port;
@@ -72,7 +72,7 @@ class CrashTest : public ::testing::Test {
         g_root + "/client_crash_test_server", "--address=" + addr,
     }));
     GPR_ASSERT(server_);
-    return grpc::testing::TestService::NewStub(
+    return grpc::testing::EchoTestService::NewStub(
         CreateChannel(addr, InsecureChannelCredentials()));
   }
 
diff --git a/test/cpp/end2end/client_crash_test_server.cc b/test/cpp/end2end/client_crash_test_server.cc
index f9a9c187a7..9568ca26be 100644
--- a/test/cpp/end2end/client_crash_test_server.cc
+++ b/test/cpp/end2end/client_crash_test_server.cc
@@ -31,10 +31,10 @@
  *
  */
 
+#include <gflags/gflags.h>
 #include <iostream>
 #include <memory>
 #include <string>
-#include <gflags/gflags.h>
 
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
@@ -56,7 +56,8 @@ using namespace gflags;
 namespace grpc {
 namespace testing {
 
-class ServiceImpl GRPC_FINAL : public ::grpc::testing::TestService::Service {
+class ServiceImpl GRPC_FINAL
+    : public ::grpc::testing::EchoTestService::Service {
   Status BidiStream(ServerContext* context,
                     ServerReaderWriter<EchoResponse, EchoRequest>* stream)
       GRPC_OVERRIDE {
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 28f8a8ec46..d72e93c10d 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -34,9 +34,6 @@
 #include <mutex>
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
@@ -46,14 +43,17 @@
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
 #include "src/core/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 "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 using grpc::testing::EchoRequest;
@@ -196,10 +196,10 @@ class TestAuthMetadataProcessor : public AuthMetadataProcessor {
 const char TestAuthMetadataProcessor::kGoodGuy[] = "Dr Jekyll";
 const char TestAuthMetadataProcessor::kIdentityPropName[] = "novel identity";
 
-class Proxy : public ::grpc::testing::TestService::Service {
+class Proxy : public ::grpc::testing::EchoTestService::Service {
  public:
   Proxy(std::shared_ptr<Channel> channel)
-      : stub_(grpc::testing::TestService::NewStub(channel)) {}
+      : stub_(grpc::testing::EchoTestService::NewStub(channel)) {}
 
   Status Echo(ServerContext* server_context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -209,10 +209,10 @@ class Proxy : public ::grpc::testing::TestService::Service {
   }
 
  private:
-  std::unique_ptr< ::grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr< ::grpc::testing::EchoTestService::Stub> stub_;
 };
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   TestServiceImpl() : signal_client_(false), host_() {}
   explicit TestServiceImpl(const grpc::string& host)
@@ -344,7 +344,7 @@ class TestServiceImpl : public ::grpc::testing::TestService::Service {
 };
 
 class TestServiceImplDupPkg
-    : public ::grpc::testing::duplicate::TestService::Service {
+    : public ::grpc::testing::duplicate::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -435,12 +435,12 @@ class End2endTest : public ::testing::TestWithParam<TestScenario> {
       channel_ = CreateChannel(proxyaddr.str(), InsecureChannelCredentials());
     }
 
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   bool is_server_started_;
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::unique_ptr<Server> proxy_server_;
   std::unique_ptr<Proxy> proxy_service_;
@@ -451,7 +451,7 @@ class End2endTest : public ::testing::TestWithParam<TestScenario> {
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
-static void SendRpc(grpc::testing::TestService::Stub* stub, int num_rpcs) {
+static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   EchoRequest request;
   EchoResponse response;
   request.set_message("Hello hello hello hello");
@@ -561,8 +561,8 @@ TEST_P(End2endTest, DiffPackageServices) {
   EXPECT_EQ(response.message(), request.message());
   EXPECT_TRUE(s.ok());
 
-  std::unique_ptr<grpc::testing::duplicate::TestService::Stub> dup_pkg_stub(
-      grpc::testing::duplicate::TestService::NewStub(channel_));
+  std::unique_ptr<grpc::testing::duplicate::EchoTestService::Stub> dup_pkg_stub(
+      grpc::testing::duplicate::EchoTestService::NewStub(channel_));
   ClientContext context2;
   s = dup_pkg_stub->Echo(&context2, request, &response);
   EXPECT_EQ("no package", response.message());
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 14b534fbd2..c5d9de3f29 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -33,24 +33,24 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
-#include <grpc++/impl/proto_utils.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/generic/async_generic_service.h>
 #include <grpc++/generic/generic_stub.h>
+#include <grpc++/impl/proto_utils.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
 #include <grpc++/support/slice.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.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"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -134,7 +134,7 @@ class GenericEnd2endTest : public ::testing::Test {
   void client_fail(int i) { verify_ok(&cli_cq_, i, false); }
 
   void SendRpc(int num_rpcs) {
-    const grpc::string kMethodName("/grpc.cpp.test.util.TestService/Echo");
+    const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
     for (int i = 0; i < num_rpcs; i++) {
       EchoRequest send_request;
       EchoRequest recv_request;
@@ -193,7 +193,7 @@ class GenericEnd2endTest : public ::testing::Test {
 
   CompletionQueue cli_cq_;
   std::unique_ptr<ServerCompletionQueue> srv_cq_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<grpc::GenericStub> generic_stub_;
   std::unique_ptr<Server> server_;
   AsyncGenericService generic_service_;
@@ -215,7 +215,8 @@ TEST_F(GenericEnd2endTest, SequentialRpcs) {
 TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   ResetStub();
 
-  const grpc::string kMethodName("/grpc.cpp.test.util.TestService/BidiStream");
+  const grpc::string kMethodName(
+      "/grpc.cpp.test.util.EchoTestService/BidiStream");
   EchoRequest send_request;
   EchoRequest recv_request;
   EchoResponse send_response;
diff --git a/test/cpp/end2end/hybrid_end2end_test.cc b/test/cpp/end2end/hybrid_end2end_test.cc
new file mode 100644
index 0000000000..24de363740
--- /dev/null
+++ b/test/cpp/end2end/hybrid_end2end_test.cc
@@ -0,0 +1,178 @@
+/*
+ *
+ * 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 <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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
+#include <gtest/gtest.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"
+#include "test/core/util/test_config.h"
+#include "test/cpp/util/string_ref_helper.h"
+
+using grpc::testing::EchoRequest;
+using grpc::testing::EchoResponse;
+
+namespace grpc {
+namespace testing {
+
+namespace {
+
+void* tag(int i) { return (void*)(intptr_t)i; }
+
+// Handlers to handle async request at a server. To be run in a separate thread.
+void HandleEcho(::grpc::Service* service, ServerCompletionQueue* cq) {
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EcoResponse> response_writer(&srv_ctx);
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  service->RequestEcho(&srv_ctx, &recv_request, &response_writer, cq, cq, tag(1));
+  Verify(cq, 1, true);
+  send_response.set_message(recv_request.message());
+  response_writer.Finish(send_response, Status::OK, tag(2));
+  Verify(cq, 2, true);
+}
+
+void HandleClientStreaming(::grpc::Service* service, ServerCompletionQueue* cq) {
+  ServerContext srv_ctx;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  ServerAsyncReader<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
+  service_.RequestRequestStream(&srv_ctx, &srv_stream, cq, cq, tag(1));
+  Verify(cq, 1, true);
+  do {
+    srv_stream.Read(&recv_request, tag(2));
+  } while (VerifyReturnSuccess(2));
+  srv_stream.Finish(send_response, Status::OK, tag(3));
+  Verify(cq, 3, true);
+}
+
+class HybridEnd2endTest : public ::testing::Test {
+ protected:
+  HybridEnd2endTest() {}
+
+  void SetUpServer(::grpc::Service* service) {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ << "localhost:" << port;
+
+    // Setup server
+    ServerBuilder builder;
+    builder.AddListeningPort(server_address_.str(),
+                             grpc::InsecureServerCredentials());
+    builder.RegisterService(&service_);
+    cq_ = builder.AddCompletionQueue();
+    server_ = builder.BuildAndStart();
+  }
+
+  void TearDown() GRPC_OVERRIDE {
+    server_->Shutdown();
+    void* ignored_tag;
+    bool ignored_ok;
+    cq_->Shutdown();
+    while (cq_->Next(&ignored_tag, &ignored_ok))
+      ;
+  }
+
+  void ResetStub() {
+    std::shared_ptr<Channel> channel =
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
+  }
+
+  void TestAllMethods() {
+    SendEcho();
+    SendSimpleClientStreaming();
+  }
+
+  void SendEcho() {
+    EchoRequest send_request;
+    EchoResponse recv_response;
+    ClientContext cli_ctx;
+    send_request.set_message("Hello");
+    Status recv_status = stub_->Echo(&cli_ctx, send_request, &recv_response);
+    EXPECT_EQ(send_request.message(), recv_response.message());
+    EXPECT_TRUE(recv_status.ok());
+  }
+
+  void SendSimpleClientStreaming() {
+    EchoRequest send_request;
+    EchoResponse recv_response;
+    ClientContext cli_ctx;
+    send_request.set_message("Hello");
+    auto stream = stub_->RequestStream(&cli_ctx, &recv_response);
+    for (int i = 0; i < 5; i++) {
+      EXPECT_TRUE(stream->Write(&send_request));
+    }
+    Status recv_status = stream->Finish();
+    EXPECT_EQ(send_request.message(), recv_response.message());
+    EXPECT_TRUE(recv_status.ok());
+  }
+
+  std::unique_ptr<ServerCompletionQueue> cq_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
+  std::unique_ptr<Server> server_;
+  std::ostringstream server_address_;
+};
+
+TEST_F(HybridEnd2endTest, AsyncEchorequestStream) {
+  WithAsyncMethod_Echo<WithAsyncMethod_RequestStream<EchoTestService> > service;
+  SetUpServer(&service);
+  ResetStub();
+  std::thread echo_handler_thread(HandleEcho, &service, cq_.get());
+  std::thread request_stream_thread(HandleClientStreaming, &service, cq_.get());
+  TestAllMethods();
+  echo_handler_thread.join();
+  request_stream_thread.join();
+}
+
+
+
+}  // namespace
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/end2end/mixed_handlers_end2end_test.cc b/test/cpp/end2end/mixed_handlers_end2end_test.cc
new file mode 100644
index 0000000000..a896ad2d73
--- /dev/null
+++ b/test/cpp/end2end/mixed_handlers_end2end_test.cc
@@ -0,0 +1,747 @@
+/*
+ *
+ * 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 <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.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 <gtest/gtest.h>
+
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/cpp/util/string_ref_helper.h"
+
+using grpc::testing::EchoRequest;
+using grpc::testing::EchoResponse;
+using std::chrono::system_clock;
+
+namespace grpc {
+namespace testing {
+
+namespace {
+
+void* tag(int i) { return (void*)(intptr_t)i; }
+
+class Verifier {
+ public:
+  explicit Verifier(bool spin) : spin_(spin) {}
+  Verifier& Expect(int i, bool expect_ok) {
+    expectations_[tag(i)] = expect_ok;
+    return *this;
+  }
+  void Verify(CompletionQueue* cq) {
+    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());
+      EXPECT_EQ(it->second, ok);
+      expectations_.erase(it);
+    }
+  }
+  void Verify(CompletionQueue* cq,
+              std::chrono::system_clock::time_point deadline) {
+    if (expectations_.empty()) {
+      bool ok;
+      void* got_tag;
+      if (spin_) {
+        while (std::chrono::system_clock::now() < deadline) {
+          EXPECT_EQ(
+              cq->AsyncNext(&got_tag, &ok, gpr_time_0(GPR_CLOCK_REALTIME)),
+              CompletionQueue::TIMEOUT);
+        }
+      } else {
+        EXPECT_EQ(cq->AsyncNext(&got_tag, &ok, deadline),
+                  CompletionQueue::TIMEOUT);
+      }
+    } else {
+      while (!expectations_.empty()) {
+        bool ok;
+        void* got_tag;
+        if (spin_) {
+          for (;;) {
+            GPR_ASSERT(std::chrono::system_clock::now() < deadline);
+            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_EQ(cq->AsyncNext(&got_tag, &ok, deadline),
+                    CompletionQueue::GOT_EVENT);
+        }
+        auto it = expectations_.find(got_tag);
+        EXPECT_TRUE(it != expectations_.end());
+        EXPECT_EQ(it->second, ok);
+        expectations_.erase(it);
+      }
+    }
+  }
+
+ private:
+  std::map<void*, bool> expectations_;
+  bool spin_;
+};
+
+class AsyncEnd2endTest : public ::testing::TestWithParam<bool> {
+ protected:
+  AsyncEnd2endTest() {}
+
+  void SetUp() GRPC_OVERRIDE {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ << "localhost:" << port;
+
+    // Setup server
+    ServerBuilder builder;
+    builder.AddListeningPort(server_address_.str(),
+                             grpc::InsecureServerCredentials());
+    builder.RegisterService(&service_);
+    cq_ = builder.AddCompletionQueue();
+    server_ = builder.BuildAndStart();
+  }
+
+  void TearDown() GRPC_OVERRIDE {
+    server_->Shutdown();
+    void* ignored_tag;
+    bool ignored_ok;
+    cq_->Shutdown();
+    while (cq_->Next(&ignored_tag, &ignored_ok))
+      ;
+  }
+
+  void ResetStub() {
+    std::shared_ptr<Channel> channel =
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
+    stub_ = grpc::testing::TestService::NewStub(channel);
+  }
+
+  void SendRpc(int num_rpcs) {
+    for (int i = 0; i < num_rpcs; i++) {
+      EchoRequest send_request;
+      EchoRequest recv_request;
+      EchoResponse send_response;
+      EchoResponse recv_response;
+      Status recv_status;
+
+      ClientContext cli_ctx;
+      ServerContext srv_ctx;
+      grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+      send_request.set_message("Hello");
+      std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+          stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+      service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                           cq_.get(), tag(2));
+
+      Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+      EXPECT_EQ(send_request.message(), recv_request.message());
+
+      send_response.set_message(recv_request.message());
+      response_writer.Finish(send_response, Status::OK, tag(3));
+      Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+      response_reader->Finish(&recv_response, &recv_status, tag(4));
+      Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+
+      EXPECT_EQ(send_response.message(), recv_response.message());
+      EXPECT_TRUE(recv_status.ok());
+    }
+  }
+
+  std::unique_ptr<ServerCompletionQueue> cq_;
+  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<Server> server_;
+  grpc::testing::TestService::AsyncService service_;
+  std::ostringstream server_address_;
+};
+
+TEST_P(AsyncEnd2endTest, SimpleRpc) {
+  ResetStub();
+  SendRpc(1);
+}
+
+TEST_P(AsyncEnd2endTest, SequentialRpcs) {
+  ResetStub();
+  SendRpc(10);
+}
+
+// Test a simple RPC using the async version of Next
+TEST_P(AsyncEnd2endTest, AsyncNextRpc) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  std::chrono::system_clock::time_point time_now(
+      std::chrono::system_clock::now());
+  std::chrono::system_clock::time_point time_limit(
+      std::chrono::system_clock::now() + std::chrono::seconds(10));
+  Verifier(GetParam()).Verify(cq_.get(), time_now);
+  Verifier(GetParam()).Verify(cq_.get(), time_now);
+
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get(), time_limit);
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  send_response.set_message(recv_request.message());
+  response_writer.Finish(send_response, Status::OK, tag(3));
+  Verifier(GetParam())
+      .Expect(3, true)
+      .Verify(cq_.get(), std::chrono::system_clock::time_point::max());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(4));
+  Verifier(GetParam())
+      .Expect(4, true)
+      .Verify(cq_.get(), std::chrono::system_clock::time_point::max());
+
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+}
+
+// Two pings and a final pong.
+TEST_P(AsyncEnd2endTest, SimpleClientStreaming) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  ServerAsyncReader<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncWriter<EchoRequest> > cli_stream(
+      stub_->AsyncRequestStream(&cli_ctx, &recv_response, cq_.get(), tag(1)));
+
+  service_.RequestRequestStream(&srv_ctx, &srv_stream, cq_.get(), cq_.get(),
+                                tag(2));
+
+  Verifier(GetParam()).Expect(2, true).Expect(1, true).Verify(cq_.get());
+
+  cli_stream->Write(send_request, tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  srv_stream.Read(&recv_request, tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  cli_stream->Write(send_request, tag(5));
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+
+  srv_stream.Read(&recv_request, tag(6));
+  Verifier(GetParam()).Expect(6, true).Verify(cq_.get());
+
+  EXPECT_EQ(send_request.message(), recv_request.message());
+  cli_stream->WritesDone(tag(7));
+  Verifier(GetParam()).Expect(7, true).Verify(cq_.get());
+
+  srv_stream.Read(&recv_request, tag(8));
+  Verifier(GetParam()).Expect(8, false).Verify(cq_.get());
+
+  send_response.set_message(recv_request.message());
+  srv_stream.Finish(send_response, Status::OK, tag(9));
+  Verifier(GetParam()).Expect(9, true).Verify(cq_.get());
+
+  cli_stream->Finish(&recv_status, tag(10));
+  Verifier(GetParam()).Expect(10, true).Verify(cq_.get());
+
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+}
+
+// One ping, two pongs.
+TEST_P(AsyncEnd2endTest, SimpleServerStreaming) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  ServerAsyncWriter<EchoResponse> srv_stream(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncReader<EchoResponse> > cli_stream(
+      stub_->AsyncResponseStream(&cli_ctx, send_request, cq_.get(), tag(1)));
+
+  service_.RequestResponseStream(&srv_ctx, &recv_request, &srv_stream,
+                                 cq_.get(), cq_.get(), tag(2));
+
+  Verifier(GetParam()).Expect(1, true).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  send_response.set_message(recv_request.message());
+  srv_stream.Write(send_response, tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  cli_stream->Read(&recv_response, tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+  EXPECT_EQ(send_response.message(), recv_response.message());
+
+  srv_stream.Write(send_response, tag(5));
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+
+  cli_stream->Read(&recv_response, tag(6));
+  Verifier(GetParam()).Expect(6, true).Verify(cq_.get());
+  EXPECT_EQ(send_response.message(), recv_response.message());
+
+  srv_stream.Finish(Status::OK, tag(7));
+  Verifier(GetParam()).Expect(7, true).Verify(cq_.get());
+
+  cli_stream->Read(&recv_response, tag(8));
+  Verifier(GetParam()).Expect(8, false).Verify(cq_.get());
+
+  cli_stream->Finish(&recv_status, tag(9));
+  Verifier(GetParam()).Expect(9, true).Verify(cq_.get());
+
+  EXPECT_TRUE(recv_status.ok());
+}
+
+// One ping, one pong.
+TEST_P(AsyncEnd2endTest, SimpleBidiStreaming) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  ServerAsyncReaderWriter<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncReaderWriter<EchoRequest, EchoResponse> >
+      cli_stream(stub_->AsyncBidiStream(&cli_ctx, cq_.get(), tag(1)));
+
+  service_.RequestBidiStream(&srv_ctx, &srv_stream, cq_.get(), cq_.get(),
+                             tag(2));
+
+  Verifier(GetParam()).Expect(1, true).Expect(2, true).Verify(cq_.get());
+
+  cli_stream->Write(send_request, tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  srv_stream.Read(&recv_request, tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  send_response.set_message(recv_request.message());
+  srv_stream.Write(send_response, tag(5));
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+
+  cli_stream->Read(&recv_response, tag(6));
+  Verifier(GetParam()).Expect(6, true).Verify(cq_.get());
+  EXPECT_EQ(send_response.message(), recv_response.message());
+
+  cli_stream->WritesDone(tag(7));
+  Verifier(GetParam()).Expect(7, true).Verify(cq_.get());
+
+  srv_stream.Read(&recv_request, tag(8));
+  Verifier(GetParam()).Expect(8, false).Verify(cq_.get());
+
+  srv_stream.Finish(Status::OK, tag(9));
+  Verifier(GetParam()).Expect(9, true).Verify(cq_.get());
+
+  cli_stream->Finish(&recv_status, tag(10));
+  Verifier(GetParam()).Expect(10, true).Verify(cq_.get());
+
+  EXPECT_TRUE(recv_status.ok());
+}
+
+// Metadata tests
+TEST_P(AsyncEnd2endTest, ClientInitialMetadataRpc) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::pair<grpc::string, grpc::string> meta1("key1", "val1");
+  std::pair<grpc::string, grpc::string> meta2("key2", "val2");
+  cli_ctx.AddMetadata(meta1.first, meta1.second);
+  cli_ctx.AddMetadata(meta2.first, meta2.second);
+
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+  auto client_initial_metadata = srv_ctx.client_metadata();
+  EXPECT_EQ(meta1.second,
+            ToString(client_initial_metadata.find(meta1.first)->second));
+  EXPECT_EQ(meta2.second,
+            ToString(client_initial_metadata.find(meta2.first)->second));
+  EXPECT_GE(client_initial_metadata.size(), static_cast<size_t>(2));
+
+  send_response.set_message(recv_request.message());
+  response_writer.Finish(send_response, Status::OK, tag(3));
+
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+}
+
+TEST_P(AsyncEnd2endTest, ServerInitialMetadataRpc) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::pair<grpc::string, grpc::string> meta1("key1", "val1");
+  std::pair<grpc::string, grpc::string> meta2("key2", "val2");
+
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+  srv_ctx.AddInitialMetadata(meta1.first, meta1.second);
+  srv_ctx.AddInitialMetadata(meta2.first, meta2.second);
+  response_writer.SendInitialMetadata(tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  response_reader->ReadInitialMetadata(tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+  auto server_initial_metadata = cli_ctx.GetServerInitialMetadata();
+  EXPECT_EQ(meta1.second,
+            ToString(server_initial_metadata.find(meta1.first)->second));
+  EXPECT_EQ(meta2.second,
+            ToString(server_initial_metadata.find(meta2.first)->second));
+  EXPECT_EQ(static_cast<size_t>(2), server_initial_metadata.size());
+
+  send_response.set_message(recv_request.message());
+  response_writer.Finish(send_response, Status::OK, tag(5));
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(6));
+  Verifier(GetParam()).Expect(6, true).Verify(cq_.get());
+
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+}
+
+TEST_P(AsyncEnd2endTest, ServerTrailingMetadataRpc) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::pair<grpc::string, grpc::string> meta1("key1", "val1");
+  std::pair<grpc::string, grpc::string> meta2("key2", "val2");
+
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+  response_writer.SendInitialMetadata(tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+
+  send_response.set_message(recv_request.message());
+  srv_ctx.AddTrailingMetadata(meta1.first, meta1.second);
+  srv_ctx.AddTrailingMetadata(meta2.first, meta2.second);
+  response_writer.Finish(send_response, Status::OK, tag(4));
+
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(5));
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+  auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
+  EXPECT_EQ(meta1.second,
+            ToString(server_trailing_metadata.find(meta1.first)->second));
+  EXPECT_EQ(meta2.second,
+            ToString(server_trailing_metadata.find(meta2.first)->second));
+  EXPECT_EQ(static_cast<size_t>(2), server_trailing_metadata.size());
+}
+
+TEST_P(AsyncEnd2endTest, MetadataRpc) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::pair<grpc::string, grpc::string> meta1("key1", "val1");
+  std::pair<grpc::string, grpc::string> meta2(
+      "key2-bin",
+      grpc::string("\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc", 13));
+  std::pair<grpc::string, grpc::string> meta3("key3", "val3");
+  std::pair<grpc::string, grpc::string> meta6(
+      "key4-bin",
+      grpc::string("\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d",
+                   14));
+  std::pair<grpc::string, grpc::string> meta5("key5", "val5");
+  std::pair<grpc::string, grpc::string> meta4(
+      "key6-bin",
+      grpc::string(
+          "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee", 15));
+
+  cli_ctx.AddMetadata(meta1.first, meta1.second);
+  cli_ctx.AddMetadata(meta2.first, meta2.second);
+
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+  auto client_initial_metadata = srv_ctx.client_metadata();
+  EXPECT_EQ(meta1.second,
+            ToString(client_initial_metadata.find(meta1.first)->second));
+  EXPECT_EQ(meta2.second,
+            ToString(client_initial_metadata.find(meta2.first)->second));
+  EXPECT_GE(client_initial_metadata.size(), static_cast<size_t>(2));
+
+  srv_ctx.AddInitialMetadata(meta3.first, meta3.second);
+  srv_ctx.AddInitialMetadata(meta4.first, meta4.second);
+  response_writer.SendInitialMetadata(tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+  response_reader->ReadInitialMetadata(tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+  auto server_initial_metadata = cli_ctx.GetServerInitialMetadata();
+  EXPECT_EQ(meta3.second,
+            ToString(server_initial_metadata.find(meta3.first)->second));
+  EXPECT_EQ(meta4.second,
+            ToString(server_initial_metadata.find(meta4.first)->second));
+  EXPECT_GE(server_initial_metadata.size(), static_cast<size_t>(2));
+
+  send_response.set_message(recv_request.message());
+  srv_ctx.AddTrailingMetadata(meta5.first, meta5.second);
+  srv_ctx.AddTrailingMetadata(meta6.first, meta6.second);
+  response_writer.Finish(send_response, Status::OK, tag(5));
+
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(6));
+  Verifier(GetParam()).Expect(6, true).Verify(cq_.get());
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+  auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
+  EXPECT_EQ(meta5.second,
+            ToString(server_trailing_metadata.find(meta5.first)->second));
+  EXPECT_EQ(meta6.second,
+            ToString(server_trailing_metadata.find(meta6.first)->second));
+  EXPECT_GE(server_trailing_metadata.size(), static_cast<size_t>(2));
+}
+
+// Server uses AsyncNotifyWhenDone API to check for cancellation
+TEST_P(AsyncEnd2endTest, ServerCheckCancellation) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  srv_ctx.AsyncNotifyWhenDone(tag(5));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  cli_ctx.TryCancel();
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+  EXPECT_TRUE(srv_ctx.IsCancelled());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(4));
+  Verifier(GetParam()).Expect(4, false).Verify(cq_.get());
+
+  EXPECT_EQ(StatusCode::CANCELLED, recv_status.error_code());
+}
+
+// Server uses AsyncNotifyWhenDone API to check for normal finish
+TEST_P(AsyncEnd2endTest, ServerCheckDone) {
+  ResetStub();
+
+  EchoRequest send_request;
+  EchoRequest recv_request;
+  EchoResponse send_response;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  ServerContext srv_ctx;
+  grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub_->AsyncEcho(&cli_ctx, send_request, cq_.get()));
+
+  srv_ctx.AsyncNotifyWhenDone(tag(5));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq_.get(),
+                       cq_.get(), tag(2));
+
+  Verifier(GetParam()).Expect(2, true).Verify(cq_.get());
+  EXPECT_EQ(send_request.message(), recv_request.message());
+
+  send_response.set_message(recv_request.message());
+  response_writer.Finish(send_response, Status::OK, tag(3));
+  Verifier(GetParam()).Expect(3, true).Verify(cq_.get());
+  Verifier(GetParam()).Expect(5, true).Verify(cq_.get());
+  EXPECT_FALSE(srv_ctx.IsCancelled());
+
+  response_reader->Finish(&recv_response, &recv_status, tag(4));
+  Verifier(GetParam()).Expect(4, true).Verify(cq_.get());
+
+  EXPECT_EQ(send_response.message(), recv_response.message());
+  EXPECT_TRUE(recv_status.ok());
+}
+
+TEST_P(AsyncEnd2endTest, UnimplementedRpc) {
+  std::shared_ptr<Channel> channel =
+      CreateChannel(server_address_.str(), InsecureChannelCredentials());
+  std::unique_ptr<grpc::testing::UnimplementedService::Stub> stub;
+  stub = grpc::testing::UnimplementedService::NewStub(channel);
+  EchoRequest send_request;
+  EchoResponse recv_response;
+  Status recv_status;
+
+  ClientContext cli_ctx;
+  send_request.set_message("Hello");
+  std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+      stub->AsyncUnimplemented(&cli_ctx, send_request, cq_.get()));
+
+  response_reader->Finish(&recv_response, &recv_status, tag(4));
+  Verifier(GetParam()).Expect(4, false).Verify(cq_.get());
+
+  EXPECT_EQ(StatusCode::UNIMPLEMENTED, recv_status.error_code());
+  EXPECT_EQ("", recv_status.error_message());
+}
+
+INSTANTIATE_TEST_CASE_P(AsyncEnd2end, AsyncEnd2endTest,
+                        ::testing::Values(false, true));
+
+}  // namespace
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index dddd1d0a2e..0ace5d9418 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -33,25 +33,25 @@
 
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.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"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using grpc::testing::TestService;
+using grpc::testing::EchoTestService;
 using std::chrono::system_clock;
 
 namespace grpc {
@@ -98,7 +98,7 @@ class MockClientReaderWriter<EchoRequest, EchoResponse> GRPC_FINAL
 };
 
 // Mocked stub.
-class MockStub : public TestService::StubInterface {
+class MockStub : public EchoTestService::StubInterface {
  public:
   MockStub() {}
   ~MockStub() {}
@@ -154,7 +154,7 @@ class MockStub : public TestService::StubInterface {
 
 class FakeClient {
  public:
-  explicit FakeClient(TestService::StubInterface* stub) : stub_(stub) {}
+  explicit FakeClient(EchoTestService::StubInterface* stub) : stub_(stub) {}
 
   void DoEcho() {
     ClientContext context;
@@ -197,13 +197,13 @@ class FakeClient {
     EXPECT_TRUE(s.ok());
   }
 
-  void ResetStub(TestService::StubInterface* stub) { stub_ = stub; }
+  void ResetStub(EchoTestService::StubInterface* stub) { stub_ = stub; }
 
  private:
-  TestService::StubInterface* stub_;
+  EchoTestService::StubInterface* stub_;
 };
 
-class TestServiceImpl : public TestService::Service {
+class TestServiceImpl : public EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -245,10 +245,10 @@ class MockTest : public ::testing::Test {
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
diff --git a/test/cpp/end2end/server_crash_test.cc b/test/cpp/end2end/server_crash_test.cc
index 87ce6369d2..e447360276 100644
--- a/test/cpp/end2end/server_crash_test.cc
+++ b/test/cpp/end2end/server_crash_test.cc
@@ -31,21 +31,21 @@
  *
  */
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.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"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
-#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "test/cpp/util/subprocess.h"
 
 using grpc::testing::EchoRequest;
@@ -59,7 +59,8 @@ namespace testing {
 
 namespace {
 
-class ServiceImpl GRPC_FINAL : public ::grpc::testing::TestService::Service {
+class ServiceImpl GRPC_FINAL
+    : public ::grpc::testing::EchoTestService::Service {
  public:
   ServiceImpl() : bidi_stream_count_(0), response_stream_count_(0) {}
 
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index b349ae7357..1964840fa5 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -31,11 +31,11 @@
  *
  */
 
+#include <gflags/gflags.h>
 #include <iostream>
 #include <memory>
 #include <sstream>
 #include <string>
-#include <gflags/gflags.h>
 
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
@@ -57,7 +57,7 @@ using namespace gflags;
 
 int main(int argc, char** argv) {
   ParseCommandLineFlags(&argc, &argv, true);
-  auto stub = grpc::testing::TestService::NewStub(
+  auto stub = grpc::testing::EchoTestService::NewStub(
       grpc::CreateChannel(FLAGS_address, grpc::InsecureChannelCredentials()));
 
   EchoRequest request;
diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index 50d4f6dca3..992ee98013 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc
@@ -33,20 +33,20 @@
 
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/sync.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 <grpc/support/sync.h>
 #include <gtest/gtest.h>
 
 #include "src/core/support/env.h"
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -54,7 +54,7 @@ using grpc::testing::EchoResponse;
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   explicit TestServiceImpl(gpr_event* ev) : ev_(ev) {}
 
@@ -94,7 +94,7 @@ class ShutdownTest : public ::testing::Test {
   void ResetStub() {
     string target = "dns:localhost:" + to_string(port_);
     channel_ = CreateChannel(target, InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   string to_string(const int number) {
@@ -115,7 +115,7 @@ class ShutdownTest : public ::testing::Test {
 
  protected:
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   bool shutdown_;
   int port_;
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index ca563472a7..9e82c30701 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -31,9 +31,9 @@
  *
  */
 
+#include <time.h>
 #include <mutex>
 #include <thread>
-#include <time.h>
 
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
@@ -49,10 +49,10 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.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"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -99,7 +99,7 @@ const char* kLargeString =
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   static void BidiStream_Sender(
       ServerReaderWriter<EchoResponse, EchoRequest>* stream,
@@ -161,10 +161,10 @@ class End2endTest : public ::testing::Test {
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 8efc645fa3..d2b83ded67 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -34,21 +34,21 @@
 #include <mutex>
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.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 <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.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"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -74,7 +74,7 @@ void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
 
 }  // namespace
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   TestServiceImpl() : signal_client_(false) {}
 
@@ -159,7 +159,7 @@ class TestServiceImpl : public ::grpc::testing::TestService::Service {
 };
 
 class TestServiceImplDupPkg
-    : public ::grpc::testing::duplicate::TestService::Service {
+    : public ::grpc::testing::duplicate::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -191,10 +191,10 @@ class End2endTest : public ::testing::Test {
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   const int kMaxMessageSize_;
@@ -202,7 +202,7 @@ class End2endTest : public ::testing::Test {
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
-static void SendRpc(grpc::testing::TestService::Stub* stub, int num_rpcs) {
+static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   EchoRequest request;
   EchoResponse response;
   request.set_message("Hello");
diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
index 802df6bb94..0040ebf4c7 100644
--- a/test/cpp/end2end/zookeeper_test.cc
+++ b/test/cpp/end2end/zookeeper_test.cc
@@ -37,15 +37,15 @@
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
-#include <gtest/gtest.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_zookeeper.h>
+#include <gtest/gtest.h>
 #include <zookeeper/zookeeper.h>
 
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "src/core/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"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -53,7 +53,8 @@ using grpc::testing::EchoResponse;
 namespace grpc {
 namespace testing {
 
-class ZookeeperTestServiceImpl : public ::grpc::testing::TestService::Service {
+class ZookeeperTestServiceImpl
+    : public ::grpc::testing::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -157,7 +158,7 @@ class ZookeeperTest : public ::testing::Test {
   void ResetStub() {
     string target = "zookeeper://" + zookeeper_address_ + "/test";
     channel_ = CreateChannel(target, InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   string to_string(const int number) {
@@ -167,7 +168,7 @@ class ZookeeperTest : public ::testing::Test {
   }
 
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server1_;
   std::unique_ptr<Server> server2_;
   ZookeeperTestServiceImpl service_;
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index 0de388d3ca..5d70f6c26b 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -35,13 +35,13 @@
 
 #include <iostream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/slice.h>
-#include <grpc++/support/byte_buffer.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/generic/generic_stub.h>
+#include <grpc++/support/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/slice.h>
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 94f54616a9..98f02d4b20 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc
@@ -53,7 +53,7 @@ using grpc::testing::EchoResponse;
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -91,11 +91,11 @@ class CliCallTest : public ::testing::Test {
   void ResetStub() {
     channel_ =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
@@ -115,7 +115,7 @@ TEST_F(CliCallTest, SimpleRpc) {
   EXPECT_EQ(response.message(), request.message());
   EXPECT_TRUE(s.ok());
 
-  const grpc::string kMethod("/grpc.testing.TestService/Echo");
+  const grpc::string kMethod("/grpc.testing.EchoTestService/Echo");
   grpc::string request_bin, response_bin, expected_response_bin;
   EXPECT_TRUE(request.SerializeToString(&request_bin));
   EXPECT_TRUE(response.SerializeToString(&expected_response_bin));
diff --git a/tools/distrib/python/submit.py b/tools/distrib/python/submit.py
index 08ace7c690..9b012be672 100755
--- a/tools/distrib/python/submit.py
+++ b/tools/distrib/python/submit.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -55,6 +55,14 @@ parser.add_argument(
     help='Password to authenticate with the repository. Not needed if you have '
          'configured your .pypirc to include your password.'
 )
+parser.add_argument(
+    '--bdist', '-b', action='store_true',
+    help='Generate a binary distribution (wheel) for the current OS.'
+)
+parser.add_argument(
+    '--dist-args', type=str,
+    help='Additional arguments to pass to the *dist setup.py command.'
+)
 args = parser.parse_args()
 
 # Move to the root directory of Python GRPC.
@@ -73,7 +81,12 @@ cmd = ['python', 'setup.py', 'build_ext', '--inplace']
 subprocess.call(cmd, cwd=pkgdir, env=build_env)
 
 # Make the push.
-cmd = ['python', 'setup.py', 'sdist']
+if args.bdist:
+  cmd = ['python', 'setup.py', 'bdist_wheel']
+else:
+  cmd = ['python', 'setup.py', 'sdist']
+if args.dist_args:
+  cmd += args.dist_args.split()
 subprocess.call(cmd, cwd=pkgdir)
 
 cmd = ['twine', 'upload', '-r', args.repository]