Add diagnostic listener to interop client (#1513)

Author: JamesNK

test/Shared/HttpEventSourceListener.cs

@@ -73,7 +73,11 @@ protected override void OnEventWritten(EventWrittenEventArgs eventData)
                 _messageBuilder.Append(" - ");
                 _messageBuilder.Append(eventData.EventName);
                 _messageBuilder.Append(" : ");
+#if !NET472
                 _messageBuilder.AppendJoin(',', eventData.Payload!);
+#else
+                _messageBuilder.Append(string.Join(",", eventData.Payload!.ToArray()));
+#endif
                 _messageBuilder.Append(" ->");
                 message = _messageBuilder.ToString();
                 _messageBuilder.Clear();

testassets/InteropTestsClient/InteropTestsClient.csproj

@@ -18,6 +18,7 @@
     <Compile Include="..\Shared\IChannelWrapper.cs" Link="IChannelWrapper.cs" />
     <Compile Include="..\Shared\InteropClient.cs" Link="InteropClient.cs" />
     <Compile Include="..\Shared\TestCredentials.cs" Link="TestCredentials.cs" />
+    <Compile Include="..\..\test\Shared\HttpEventSourceListener.cs" Link="HttpEventSourceListener.cs" />
 
     <Protobuf Include="..\Proto\echo.proto" GrpcServices="Client" Link="Protos\echo.proto" />
     <Protobuf Include="..\Proto\grpc\testing\test.proto" GrpcServices="Client" Link="Protos\test.proto" />

testassets/InteropTestsClient/Program.cs

@@ -20,6 +20,7 @@
 using System.CommandLine.Invocation;
 using System.Reflection;
 using Grpc.Shared.TestAssets;
+using Grpc.Tests.Shared;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 
@@ -66,8 +67,11 @@ public static async Task<int> Main(string[] args)
                 });
 
                 using var serviceProvider = services.BuildServiceProvider();
+                var loggerFactory = serviceProvider.GetRequiredService<ILoggerFactory>();
 
-                var interopClient = new InteropClient(options, serviceProvider.GetRequiredService<ILoggerFactory>());
+                using var httpEventListener = new HttpEventSourceListener(loggerFactory);
+
+                var interopClient = new InteropClient(options, loggerFactory);
                 await interopClient.Run();
             });