Revert "Revert "Proto API for LB request/responses""

6 files changed, 382 insertions, 0 deletions

diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 76975322be..4e1155f84b 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -310,6 +310,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\connector.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policy.h" />
@@ -370,6 +371,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_common.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\surface\api_trace.h" />
@@ -411,6 +413,10 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\aggregation.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\core\httpcli\httpcli_security_connector.c">
@@ -485,6 +491,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.c">
@@ -611,6 +619,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
@@ -719,6 +729,12 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 4660572f97..e0cfd8295b 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -109,6 +109,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
+      <Filter>src\core\client_config\lb_policies</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClCompile>
@@ -298,6 +301,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
       <Filter>src\core\json</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
+      <Filter>src\core\proto\grpc\lb\v0</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -460,6 +466,15 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
@@ -587,6 +602,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h">
+      <Filter>src\core\client_config\lb_policies</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClInclude>
@@ -767,6 +785,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h">
       <Filter>src\core\json</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h">
+      <Filter>src\core\proto\grpc\lb\v0</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h">
       <Filter>src\core\statistics</Filter>
     </ClInclude>
@@ -890,6 +911,18 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h">
       <Filter>src\core\census</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
@@ -941,6 +974,18 @@
     <Filter Include="src\core\json">
       <UniqueIdentifier>{e665cc0e-b994-d7c5-cc18-2007392019f0}</UniqueIdentifier>
     </Filter>
+    <Filter Include="src\core\proto">
+      <UniqueIdentifier>{1ff04466-0905-8a5d-d6f4-7ff2df4c13b5}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\proto\grpc">
+      <UniqueIdentifier>{7c7ad0b3-bf85-5bd3-e0c8-4f5468a8e2e6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\proto\grpc\lb">
+      <UniqueIdentifier>{3d533dad-8100-e8a3-b7c3-1fc13a4d60da}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\proto\grpc\lb\v0">
+      <UniqueIdentifier>{0ffcf868-7617-5fed-b6ce-2162d9d09148}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src\core\security">
       <UniqueIdentifier>{1d850ac6-e639-4eab-5338-4ba40272fcc9}</UniqueIdentifier>
     </Filter>
@@ -959,6 +1004,12 @@
     <Filter Include="src\core\tsi">
       <UniqueIdentifier>{0b0f9ab1-efa4-7f03-e446-6fb9b5227e84}</UniqueIdentifier>
     </Filter>
+    <Filter Include="third_party">
+      <UniqueIdentifier>{aaab30a4-2a15-732e-c141-3fbc0f0f5a7a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="third_party\nanopb">
+      <UniqueIdentifier>{93d6596d-330c-1d27-6f84-3c840e57869e}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
 </Project>
 
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 541000af40..3820d89968 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -286,6 +286,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\connector.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policy.h" />
@@ -346,6 +347,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_common.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\surface\api_trace.h" />
@@ -387,6 +389,10 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\aggregation.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\init_unsecure.c">
@@ -421,6 +427,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.c">
@@ -547,6 +555,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
@@ -655,6 +665,12 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 48814f997e..c4c957d36b 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -49,6 +49,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
+      <Filter>src\core\client_config\lb_policies</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClCompile>
@@ -238,6 +241,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
       <Filter>src\core\json</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
+      <Filter>src\core\proto\grpc\lb\v0</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -400,6 +406,15 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
+      <Filter>third_party\nanopb</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
@@ -482,6 +497,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h">
+      <Filter>src\core\client_config\lb_policies</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClInclude>
@@ -662,6 +680,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h">
       <Filter>src\core\json</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h">
+      <Filter>src\core\proto\grpc\lb\v0</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h">
       <Filter>src\core\statistics</Filter>
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@@ -785,6 +806,18 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h">
       <Filter>src\core\census</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h">
+      <Filter>third_party\nanopb</Filter>
+    </ClInclude>
   </ItemGroup>
 
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@@ -836,6 +869,18 @@
     <Filter Include="src\core\json">
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+    <Filter Include="src\core\proto">
+      <UniqueIdentifier>{7f4bb22a-65ba-0f8f-6387-66b1f6677a80}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\proto\grpc">
+      <UniqueIdentifier>{9c2bd164-c317-8a13-564d-3b28b0fd79cf}</UniqueIdentifier>
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+    <Filter Include="src\core\proto\grpc\lb">
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+    <Filter Include="src\core\proto\grpc\lb\v0">
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     <Filter Include="src\core\statistics">
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@@ -848,6 +893,12 @@
     <Filter Include="src\core\transport\chttp2">
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+    <Filter Include="third_party\nanopb">
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   </ItemGroup>
 </Project>
 
diff --git a/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj
new file mode 100644
index 0000000000..1509ece9f9
--- /dev/null
+++ b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
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+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{990AF023-17D7-8DBF-EB6E-14C7C016C77E}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
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+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>grpclb_api_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>grpclb_api_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
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new file mode 100644
index 0000000000..6c57b8c162
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