logging placeholder

host/src/FunctionsNetHost/Grpc/GrpcClient.cs

@@ -61,6 +61,12 @@ namespace FunctionsNetHost.Grpc
         {
             await foreach (var rpcWriteMsg in _outgoingMessageChannel.Reader.ReadAllAsync())
             {
+                if (rpcWriteMsg.ContentCase == StreamingMessage.ContentOneofCase.InvocationResponse)
+                {
+                    // Assuming we send only one http request(function invocation) during our testing/data collection
+                   //  to do: Log end of cold start.
+                }
+
                 await requestStream.WriteAsync(rpcWriteMsg);
             }
         }

host/src/FunctionsNetHost/Grpc/IncomingGrpcMessageHandler.cs

@@ -48,6 +48,8 @@ namespace FunctionsNetHost.Grpc
                     }
                 case StreamingMessage.ContentOneofCase.FunctionEnvironmentReloadRequest:
 
+                    // to do: Start log
+
                     Logger.LogTrace("Specialization request received.");
 
                     var envReloadRequest = msg.FunctionEnvironmentReloadRequest;