diff --git a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
index d82a985f0c74041f4e2054732442c569426f81b3..8775c446f7684fb5f93d0b94c41bc01f37546876 100644
--- a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
@@ -33,6 +33,7 @@
using System;
using System.Diagnostics;
+using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core;
@@ -268,12 +269,27 @@ namespace Grpc.Core.Tests
}
}
+ [Test]
+ public void UserAgentStringPresent()
+ {
+ var internalCall = new Call<string, string>(ServiceName, EchoMethod, channel, Metadata.Empty);
+ string userAgent = Calls.BlockingUnaryCall(internalCall, "RETURN-USER-AGENT", CancellationToken.None);
+ Assert.IsTrue(userAgent.StartsWith("grpc-csharp/"));
+ }
+
private static async Task<string> EchoHandler(string request, ServerCallContext context)
{
foreach (Metadata.Entry metadataEntry in context.RequestHeaders)
{
- Console.WriteLine("Echoing header " + metadataEntry.Key + " as trailer");
- context.ResponseTrailers.Add(metadataEntry);
+ if (metadataEntry.Key != "user-agent")
+ {
+ context.ResponseTrailers.Add(metadataEntry);
+ }
+ }
+
+ if (request == "RETURN-USER-AGENT")
+ {
+ return context.RequestHeaders.Where(entry => entry.Key == "user-agent").Single().Value;
}
if (request == "THROW")
diff --git a/src/csharp/Grpc.Core/Channel.cs b/src/csharp/Grpc.Core/Channel.cs
index 5baf260003161019b71e5a4988f516d4d7c5a2e0..e5c6abd2cb417e80b1b405b4f78374248122185d 100644
--- a/src/csharp/Grpc.Core/Channel.cs
+++ b/src/csharp/Grpc.Core/Channel.cs
@@ -28,11 +28,14 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
+
using System;
using System.Collections.Generic;
+using System.Linq;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
+
using Grpc.Core.Internal;
namespace Grpc.Core
@@ -44,6 +47,7 @@ namespace Grpc.Core
{
readonly GrpcEnvironment environment;
readonly ChannelSafeHandle handle;
+ readonly List<ChannelOption> options;
readonly string target;
bool disposed;
@@ -57,7 +61,10 @@ namespace Grpc.Core
public Channel(string host, Credentials credentials = null, IEnumerable<ChannelOption> options = null)
{
this.environment = GrpcEnvironment.GetInstance();
- using (ChannelArgsSafeHandle nativeChannelArgs = ChannelOptions.CreateChannelArgs(options))
+ this.options = options != null ? new List<ChannelOption>(options) : new List<ChannelOption>();
+
+ EnsureUserAgentChannelOption(this.options);
+ using (ChannelArgsSafeHandle nativeChannelArgs = ChannelOptions.CreateChannelArgs(this.options))
{
if (credentials != null)
{
@@ -71,7 +78,7 @@ namespace Grpc.Core
this.handle = ChannelSafeHandle.Create(host, nativeChannelArgs);
}
}
- this.target = GetOverridenTarget(host, options);
+ this.target = GetOverridenTarget(host, this.options);
}
/// <summary>
@@ -141,6 +148,20 @@ namespace Grpc.Core
}
}
+ private static void EnsureUserAgentChannelOption(List<ChannelOption> options)
+ {
+ if (!options.Any((option) => option.Name == ChannelOptions.PrimaryUserAgentString))
+ {
+ options.Add(new ChannelOption(ChannelOptions.PrimaryUserAgentString, GetUserAgentString()));
+ }
+ }
+
+ private static string GetUserAgentString()
+ {
+ // TODO(jtattermusch): it would be useful to also provide .NET/mono version.
+ return string.Format("grpc-csharp/{0}", VersionInfo.CurrentVersion);
+ }
+
/// <summary>
/// Look for SslTargetNameOverride option and return its value instead of originalTarget
/// if found.
diff --git a/src/csharp/Grpc.Core/ChannelOptions.cs b/src/csharp/Grpc.Core/ChannelOptions.cs
index bc23bb59b103891452be2b4579b43045cf11e542..9fe03d2805d6a2b2a1467c3b50a776180339f96b 100644
--- a/src/csharp/Grpc.Core/ChannelOptions.cs
+++ b/src/csharp/Grpc.Core/ChannelOptions.cs
@@ -115,41 +115,49 @@ namespace Grpc.Core
}
}
+ /// <summary>
+ /// Defines names of supported channel options.
+ /// </summary>
public static class ChannelOptions
{
- // Override SSL target check. Only to be used for testing.
+ /// <summary>Override SSL target check. Only to be used for testing.</summary>
public const string SslTargetNameOverride = "grpc.ssl_target_name_override";
- // Enable census for tracing and stats collection
+ /// <summary>Enable census for tracing and stats collection</summary>
public const string Census = "grpc.census";
- // Maximum number of concurrent incoming streams to allow on a http2 connection
+ /// <summary>Maximum number of concurrent incoming streams to allow on a http2 connection</summary>
public const string MaxConcurrentStreams = "grpc.max_concurrent_streams";
- // Maximum message length that the channel can receive
+ /// <summary>Maximum message length that the channel can receive</summary>
public const string MaxMessageLength = "grpc.max_message_length";
- // Initial sequence number for http2 transports
+ /// <summary>Initial sequence number for http2 transports</summary>
public const string Http2InitialSequenceNumber = "grpc.http2.initial_sequence_number";
+ /// <summary>Primary user agent: goes at the start of the user-agent metadata</summary>
+ public const string PrimaryUserAgentString = "grpc.primary_user_agent";
+
+ /// <summary> Secondary user agent: goes at the end of the user-agent metadata</summary>
+ public const string SecondaryUserAgentString = "grpc.secondary_user_agent";
+
/// <summary>
/// Creates native object for a collection of channel options.
/// </summary>
/// <returns>The native channel arguments.</returns>
- internal static ChannelArgsSafeHandle CreateChannelArgs(IEnumerable<ChannelOption> options)
+ internal static ChannelArgsSafeHandle CreateChannelArgs(List<ChannelOption> options)
{
- if (options == null)
+ if (options == null || options.Count == 0)
{
return ChannelArgsSafeHandle.CreateNull();
}
- var optionList = new List<ChannelOption>(options); // It's better to do defensive copy
ChannelArgsSafeHandle nativeArgs = null;
try
{
- nativeArgs = ChannelArgsSafeHandle.Create(optionList.Count);
- for (int i = 0; i < optionList.Count; i++)
+ nativeArgs = ChannelArgsSafeHandle.Create(options.Count);
+ for (int i = 0; i < options.Count; i++)
{
- var option = optionList[i];
+ var option = options[i];
if (option.Type == ChannelOption.OptionType.Integer)
{
nativeArgs.SetInteger(i, option.Name, option.IntValue);
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 3b9b3b6f7ec1359a04e7869859536a69dc0c27e3..fd68b91851ec9d80db378a5ef2354702697aeeba 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -102,6 +102,7 @@
<Compile Include="Internal\BatchContextSafeHandle.cs" />
<Compile Include="ChannelOptions.cs" />
<Compile Include="AsyncUnaryCall.cs" />
+ <Compile Include="VersionInfo.cs" />
</ItemGroup>
<ItemGroup>
<None Include="Grpc.Core.nuspec" />
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index 7f9ec41486fc5a1cb5f63eaf0f2c3046d990ce0c..fd30735359fe74736d6c51a23020309dcf02f039 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -53,6 +53,7 @@ namespace Grpc.Core
public const int PickUnusedPort = 0;
readonly GrpcEnvironment environment;
+ readonly List<ChannelOption> options;
readonly ServerSafeHandle handle;
readonly object myLock = new object();
@@ -69,7 +70,8 @@ namespace Grpc.Core
public Server(IEnumerable<ChannelOption> options = null)
{
this.environment = GrpcEnvironment.GetInstance();
- using (var channelArgs = ChannelOptions.CreateChannelArgs(options))
+ this.options = options != null ? new List<ChannelOption>(options) : new List<ChannelOption>();
+ using (var channelArgs = ChannelOptions.CreateChannelArgs(this.options))
{
this.handle = ServerSafeHandle.NewServer(environment.CompletionQueue, channelArgs);
}
diff --git a/src/csharp/Grpc.Core/Version.cs b/src/csharp/Grpc.Core/Version.cs
index f1db1f61578e1fdfc45c6000ffbc6916240c22dc..b5cb652945f3df79ff25cc3e4b4d0531199b762d 100644
--- a/src/csharp/Grpc.Core/Version.cs
+++ b/src/csharp/Grpc.Core/Version.cs
@@ -2,4 +2,4 @@ using System.Reflection;
using System.Runtime.CompilerServices;
// The current version of gRPC C#.
-[assembly: AssemblyVersion("0.6.0.*")]
+[assembly: AssemblyVersion(Grpc.Core.VersionInfo.CurrentVersion + ".*")]
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
new file mode 100644
index 0000000000000000000000000000000000000000..396cdb27fdb8a9ddc012ac6f7b12c891f0df7303
--- /dev/null
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -0,0 +1,15 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+namespace Grpc.Core
+{
+ public static class VersionInfo
+ {
+ /// <summary>
+ /// Current version of gRPC
+ /// </summary>
+ public const string CurrentVersion = "0.6.0";
+ }
+}
+
+
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
index 328acb5b476467f7d19a0cc7edfb0cb54a2d4a7c..dc1d0a44c04e46af78de7519211dc8884e51db10 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
@@ -3,8 +3,6 @@
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
- <ProductVersion>10.0.0</ProductVersion>
- <SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{3D166931-BA2D-416E-95A3-D36E8F6E90B9}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>Grpc.IntegrationTesting.Client</RootNamespace>
@@ -48,6 +46,10 @@
<Project>{C61154BA-DD4A-4838-8420-0162A28925E0}</Project>
<Name>Grpc.IntegrationTesting</Name>
</ProjectReference>
+ <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
+ <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
+ <Name>Grpc.Core</Name>
+ </ProjectReference>
</ItemGroup>
<ItemGroup>
<None Include="app.config" />
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
index ae184c1dc7e7f23656fc42265cbb33c50c543af5..f03c8f3ce3e3d95f07d5b6b6d41f319fab876768 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
@@ -3,8 +3,6 @@
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
- <ProductVersion>10.0.0</ProductVersion>
- <SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{A654F3B8-E859-4E6A-B30D-227527DBEF0D}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>Grpc.IntegrationTesting.Server</RootNamespace>
@@ -48,6 +46,10 @@
<Project>{C61154BA-DD4A-4838-8420-0162A28925E0}</Project>
<Name>Grpc.IntegrationTesting</Name>
</ProjectReference>
+ <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
+ <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
+ <Name>Grpc.Core</Name>
+ </ProjectReference>
</ItemGroup>
<ItemGroup>
<None Include="app.config" />