Apply the grpcMaxMessageLength setting received from the host to configure the gRPC channel (#346)

Author: AnatoliB

src/Messaging/MessagingStream.cs

@@ -17,9 +17,15 @@ internal class MessagingStream
         private readonly AsyncDuplexStreamingCall<StreamingMessage, StreamingMessage> _call;
         private readonly SemaphoreSlim _semaphoreSlim = new SemaphoreSlim(initialCount: 1, maxCount: 1);
 
-        internal MessagingStream(string host, int port)
+        internal MessagingStream(string host, int port, int maxMessageLength)
         {
-            Channel channel = new Channel(host, port, ChannelCredentials.Insecure);
+            var channelOptions = new []
+            {
+                new ChannelOption(ChannelOptions.MaxReceiveMessageLength, maxMessageLength),
+                new ChannelOption(ChannelOptions.MaxSendMessageLength, maxMessageLength)
+            };
+
+            Channel channel = new Channel(host, port, ChannelCredentials.Insecure, channelOptions);
             _call = new FunctionRpc.FunctionRpcClient(channel).EventStream();
         }
 

src/Worker.cs

@@ -35,7 +35,7 @@ public async static Task Main(string[] args)
                 .WithParsed(ops => arguments = ops)
                 .WithNotParsed(err => Environment.Exit(1));
 
-            var msgStream = new MessagingStream(arguments.Host, arguments.Port);
+            var msgStream = new MessagingStream(arguments.Host, arguments.Port, arguments.MaxMessageLength);
             var requestProcessor = new RequestProcessor(msgStream);
 
             // Send StartStream message