diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 9587503e4b3f1ddb0e55451454a526a66f78a174..8d7d2cae0deff1dea392232fb4c1dc632473457e 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -59,6 +59,7 @@
<Compile Include="IServerStreamWriter.cs" />
<Compile Include="IAsyncStreamWriter.cs" />
<Compile Include="IAsyncStreamReader.cs" />
+ <Compile Include="Logging\NullLogger.cs" />
<Compile Include="ServerPort.cs" />
<Compile Include="Version.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/src/csharp/Grpc.Core/Logging/NullLogger.cs b/src/csharp/Grpc.Core/Logging/NullLogger.cs
new file mode 100644
index 0000000000000000000000000000000000000000..58679a0ff9fc9fd4d2952b1d37f01e6966306433
--- /dev/null
+++ b/src/csharp/Grpc.Core/Logging/NullLogger.cs
@@ -0,0 +1,122 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+
+namespace Grpc.Core.Logging
+{
+ /// <summary>
+ /// Logger which doesn't log any information anywhere.
+ /// </summary>
+ public sealed class NullLogger : ILogger
+ {
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Debug(string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Debug(string format, params object[] formatArgs)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Error(string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Error(Exception exception, string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Error(string format, params object[] formatArgs)
+ {
+ }
+
+ /// <summary>
+ /// Returns a reference to the instance on which the method is called, as
+ /// instances aren't associated with specific types.
+ /// </summary>
+ public ILogger ForType<T>()
+ {
+ return this;
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Info(string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Info(string format, params object[] formatArgs)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Warning(string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Warning(Exception exception, string message)
+ {
+ }
+
+ /// <summary>
+ /// As with all logging calls on this logger, this method is a no-op.
+ /// </summary>
+ public void Warning(string format, params object[] formatArgs)
+ {
+ }
+ }
+}
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.c b/src/python/grpcio/grpc/_cython/imports.generated.c
index 817303c8a4a47f2f3000338b0e714d9d787e01c0..4aa41dbcd73003f4a983508ea03fc409081c5a66 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.c
+++ b/src/python/grpcio/grpc/_cython/imports.generated.c
@@ -296,6 +296,10 @@ gpr_thd_options_is_joinable_type gpr_thd_options_is_joinable_import;
gpr_thd_currentid_type gpr_thd_currentid_import;
gpr_thd_join_type gpr_thd_join_import;
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cpluslus */
+
void pygrpc_load_imports(HMODULE library) {
census_initialize_import = (census_initialize_type) GetProcAddress(library, "census_initialize");
census_shutdown_import = (census_shutdown_type) GetProcAddress(library, "census_shutdown");
@@ -557,4 +561,8 @@ void pygrpc_load_imports(HMODULE library) {
gpr_thd_join_import = (gpr_thd_join_type) GetProcAddress(library, "gpr_thd_join");
}
+#ifdef __cplusplus
+}
+#endif /* __cpluslus */
+
#endif /* !GPR_WIN32 */
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.h b/src/python/grpcio/grpc/_cython/imports.generated.h
index 6d0a6e06c0002fe42d899ab0665eb8c86dcd4144..f5329f3378230b67300ba9a878f3957085a636a6 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.h
+++ b/src/python/grpcio/grpc/_cython/imports.generated.h
@@ -836,8 +836,16 @@ typedef void(*gpr_thd_join_type)(gpr_thd_id t);
extern gpr_thd_join_type gpr_thd_join_import;
#define gpr_thd_join gpr_thd_join_import
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cpluslus */
+
void pygrpc_load_imports(HMODULE library);
+#ifdef __cplusplus
+}
+#endif /* __cpluslus */
+
#else /* !GPR_WIN32 */
#include <grpc/support/alloc.h>
diff --git a/src/python/grpcio/grpc/_cython/loader.c b/src/python/grpcio/grpc/_cython/loader.c
index cdd47deed3016ad1aece4bc4cc3d90c436a1b983..3b72806ea18cb0426f65cf558225c1327f50e1e2 100644
--- a/src/python/grpcio/grpc/_cython/loader.c
+++ b/src/python/grpcio/grpc/_cython/loader.c
@@ -33,6 +33,10 @@
#include "loader.h"
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cpluslus */
+
#if GPR_WIN32
int pygrpc_load_core(char *path) {
@@ -56,4 +60,9 @@ int pygrpc_load_core(char *path) {
int pygrpc_load_core(char *path) { return 1; }
-#endif
+#endif /* !GPR_WIN32 */
+
+#ifdef __cplusplus
+}
+#endif /* __cpluslus */
+
diff --git a/src/python/grpcio/grpc/_cython/loader.h b/src/python/grpcio/grpc/_cython/loader.h
index dd31e1561b5c96e458f1934dccc5c890e6f3d616..3b8796d39f7d3ba0b880f5f4405d16501d50e2b7 100644
--- a/src/python/grpcio/grpc/_cython/loader.h
+++ b/src/python/grpcio/grpc/_cython/loader.h
@@ -39,7 +39,16 @@
/* Additional inclusions not covered by "imports.generated.h" */
#include <grpc/byte_buffer_reader.h>
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cpluslus */
+
/* Attempts to load the core if necessary, and return non-zero upon succes. */
int pygrpc_load_core(char *path);
+#ifdef __cplusplus
+}
+#endif /* __cpluslus */
+
#endif /* GRPC_RB_BYTE_BUFFER_H_ */
+
diff --git a/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template b/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template
index be33280c0ce3eed630479029d925ebf4b27ce5f4..62fe0947d252345caade2021d2cf45d8388160ec 100644
--- a/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template
+++ b/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template
@@ -43,10 +43,19 @@
${api.name}_type ${api.name}_import;
%endfor
+ #ifdef __cplusplus
+ extern "C" {
+ #endif /* __cpluslus */
+
void pygrpc_load_imports(HMODULE library) {
%for api in c_apis:
${api.name}_import = (${api.name}_type) GetProcAddress(library, "${api.name}");
%endfor
}
+ #ifdef __cplusplus
+ }
+ #endif /* __cpluslus */
+
#endif /* !GPR_WIN32 */
+
diff --git a/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template b/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template
index 6866a61caefdb08fd3cfc539f29b73245e453265..8e7c1831800e75f72c72414d6bddffc460e4d176 100644
--- a/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template
+++ b/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template
@@ -52,8 +52,16 @@
#define ${api.name} ${api.name}_import
%endfor
+ #ifdef __cplusplus
+ extern "C" {
+ #endif /* __cpluslus */
+
void pygrpc_load_imports(HMODULE library);
+ #ifdef __cplusplus
+ }
+ #endif /* __cpluslus */
+
#else /* !GPR_WIN32 */
#include <grpc/support/alloc.h>