Reconnect on failed ws sends, improve logging

Author: Trolldemorted

Signal-Windows.Lib/SignalWebSocket.cs

@@ -51,6 +51,7 @@ private void WebSocket_Closed(IWebSocket sender, WebSocketClosedEventArgs args)
 
         private void WebSocket_MessageReceived(MessageWebSocket sender, MessageWebSocketMessageReceivedEventArgs args)
         {
+            Logger.LogTrace("WebSocket_MessageReceived()");
             try
             {
                 using (var data = args.GetDataStream())
@@ -75,6 +76,7 @@ public void Close(ushort code, string reason)
 
         public async Task ConnectAsync()
         {
+            Logger.LogTrace("ConnectAsync()");
             var locked = await SemaphoreSlim.WaitAsync(0, Token); // ensure no threads are reconnecting at the same time
             if (locked)
             {
@@ -83,6 +85,7 @@ public async Task ConnectAsync()
                     try
                     {
                         CreateMessageWebSocket();
+                        Logger.LogTrace("WebSocket.ConnectAsync()");
                         await WebSocket.ConnectAsync(SignalWSUri).AsTask(Token);
                         SemaphoreSlim.Release();
                         break;
@@ -100,6 +103,10 @@ public async Task ConnectAsync()
                     }
                 }
             }
+            else
+            {
+                Logger.LogTrace("ConnectAsync() not reconnecting: Reconnect in progress");
+            }
         }
 
         public void Dispose()
@@ -109,11 +116,21 @@ public void Dispose()
 
         public async Task SendMessage(byte[] data)
         {
-            using (var dataWriter = new DataWriter(WebSocket.OutputStream))
+            Logger.LogTrace("SendMessage()");
+            try
+            {
+                using (var dataWriter = new DataWriter(WebSocket.OutputStream))
+                {
+                    dataWriter.WriteBytes(data);
+                    await dataWriter.StoreAsync();
+                    dataWriter.DetachStream();
+                }
+            }
+            catch (OperationCanceledException) { }
+            catch (Exception e)
             {
-                dataWriter.WriteBytes(data);
-                await dataWriter.StoreAsync();
-                dataWriter.DetachStream();
+                Logger.LogError($"SendMessage() failed: {e.Message}\n{e.StackTrace}");
+                var t = Task.Run(ConnectAsync);
             }
         }
     }