private async Task HandleWebSocketAsync(WebSocket websocket)
        {
            try
            {
                if (OnConnect != null)
                    OnConnect.Invoke(websocket);

                while (websocket.IsConnected)
                {
                    var message = await websocket.ReadStringAsync(CancellationToken.None)
                                                 .ConfigureAwait(false);
                    if (message != null && OnMessage != null)
                        OnMessage.Invoke(websocket, message);
                }

                if (OnDisconnect != null)
                    OnDisconnect.Invoke(websocket);
            }
            catch (Exception ex)
            {
                if (OnError != null)
                    OnError.Invoke(websocket, ex);
            }
            finally
            {
                websocket.Dispose();
            }
        }
Exemplo n.º 2
0
        private static async Task EchoAllIncomingMessagesAsync(WebSocket webSocket, CancellationToken cancellation)
        {
            Console.WriteLine("Client '" + webSocket.RemoteEndpoint + "' connected.");
            var sw = new Stopwatch();

            try
            {
                while (webSocket.IsConnected && !cancellation.IsCancellationRequested)
                {
                    try
                    {
                        var messageText = await webSocket.ReadStringAsync(cancellation).ConfigureAwait(false);

                        if (messageText == null)
                        {
                            break; // webSocket is disconnected
                        }
                        Console.WriteLine("Client '" + webSocket.RemoteEndpoint + "' recived: " + messageText + ".");

                        sw.Restart();

                        messageText = WebSocketHandler(messageText);

                        await webSocket.WriteStringAsync(messageText, cancellation).ConfigureAwait(false);

                        Console.WriteLine("Client '" + webSocket.RemoteEndpoint + "' sent: " + messageText + ".");

                        sw.Stop();
                    }
                    catch (TaskCanceledException)
                    {
                        break;
                    }
                    catch (Exception readWriteError)
                    {
                        Console.WriteLine("An error occurred while reading/writing echo message.", readWriteError);
                        await webSocket.CloseAsync().ConfigureAwait(false);
                    }
                }
            }
            finally
            {
                webSocket.Dispose();
                Console.WriteLine("Client '" + webSocket.RemoteEndpoint + "' disconnected.");
            }
        }
Exemplo n.º 3
0
		static async Task HandleConnectionAsync(WebSocket ws, CancellationToken cancellation)
		{
			try
			{
				while (ws.IsConnected && !cancellation.IsCancellationRequested)
				{
					String msg = await ws.ReadStringAsync(cancellation).ConfigureAwait(false);
					Log("Message: " + msg);
					ws.WriteString(msg);
				}
			}
			catch (Exception aex)
			{
				Log("Error Handling connection: " + aex.GetBaseException().Message);
				try { ws.Close(); }
				catch { }
			}
			finally
			{
				ws.Dispose();
			}
		}
Exemplo n.º 4
0
        static async Task HandleConnectionAsync(WebSocket ws, CancellationToken cancellation)
        {
            try
            {
                IWebSocketLatencyMeasure l = ws as IWebSocketLatencyMeasure;

                PerformanceCounters.Connected.Increment();
                while (ws.IsConnected && !cancellation.IsCancellationRequested)
                {
                    String msg = await ws.ReadStringAsync(cancellation).ConfigureAwait(false);
                    PerformanceCounters.MessagesIn.Increment();

                    ws.WriteString(msg);
                    PerformanceCounters.MessagesOut.Increment();

                    PerformanceCounters.Delay.IncrementBy(l.Latency.Ticks * Stopwatch.Frequency / 10000);
                    PerformanceCounters.DelayBase.Increment();
                }
            }
            catch (TaskCanceledException)
            {

            }
            catch (Exception aex)
            {
                Log("Error Handling connection: " + aex.GetBaseException().Message);
                try { ws.Close(); }
                catch { }
            }
            finally
            {
                ws.Dispose();
                PerformanceCounters.Connected.Decrement();
            }
        }
Exemplo n.º 5
0
        private static async Task WaitForAuthenticateMessage(WebSocket ws, CancellationToken cancellation)
        {
            while (ws.IsConnected && !cancellation.IsCancellationRequested)
            {
                string json = await ws.ReadStringAsync(cancellation).ConfigureAwait(false);
                if (json == null)
                    continue;

                var auth = JsonConvert.DeserializeObject<AuthenticateMessage>(json);
                if (!string.IsNullOrEmpty(auth.Id))
                {
                    Interlocked.Increment(ref PerformanceCounters.Authenticated);
                    ws.WriteStringAsync(auth.Id + "_OK", cancellation).Wait(cancellation);
                    Console.WriteLine("Authenticated " + PerformanceCounters.Authenticated);

                    break;
                }
            }
        }
Exemplo n.º 6
0
        private static async Task WaitForMessage(WebSocket ws, CancellationToken cancellation)
        {
            while (ws.IsConnected && !cancellation.IsCancellationRequested)
            {
                string msg = await ws.ReadStringAsync(cancellation);
                if (msg == null)
                    continue;

                ws.WriteString(msg + " back from WebSocketTest");
            }
        }
Exemplo n.º 7
0
 async Task HandleConnectionAsync(WebSocket ws, CancellationToken cancellation)
 {
     try
     {
         while (ws.IsConnected && !cancellation.IsCancellationRequested)
         {
             // Get the JSON Message.
             String msg = await ws.ReadStringAsync(cancellation).ConfigureAwait(false);
             if (msg != null)
             {
                 // Convert the JSON String to a dictionary
                 Dictionary<string, dynamic> msgDict = JsonConvert.DeserializeObject<Dictionary<string, dynamic>>(msg); ;
                 // If the dictionary contains a uniqueId, the message is a log-in request.
                 if (msgDict.ContainsKey("uniqueId"))
                 {
                     this.HandleMatchQueue(ws, msgDict);
                 }
                 // Message doesn't contain a UniqueId field.
                 else
                 {
                     // Make sure the websocket is in a match
                     if (wsToIdDictionary.ContainsKey(ws))
                     {
                         idToPlayerDictionary[wsToIdDictionary[ws]].currentMatch.AcceptMessage(ws, msgDict);
                     }
                 }
             }
         }
     }
     catch (Exception aex)
     {
         Console.WriteLine("Error Handling connection: " + aex.GetBaseException().Message);
         try { ws.Close(); }
         catch { }
     }
     // Theoretically, this happens when the ws disconnected, right?
     finally
     {
         if (wsToIdDictionary.ContainsKey(ws))
         {
             if (attackerQueue.Contains(wsToIdDictionary[ws]))
             {
                 string tempId = wsToIdDictionary[ws];
                 // loop ends when we find the id matching the ws we want to remove.
                 while (tempId != attackerQueue.Peek())
                 {
                     attackerQueue.Enqueue(attackerQueue.Dequeue());
                 }
                 attackerQueue.Dequeue();
             }
         }
         if (wsToIdDictionary.ContainsKey(ws))
         {
             if (defenderQueue.Contains(wsToIdDictionary[ws]))
             {
                 string tempId = wsToIdDictionary[ws];
                 // loop ends when we find the id matching the ws we want to remove.
                 while (tempId != defenderQueue.Peek())
                 {
                     defenderQueue.Enqueue(attackerQueue.Dequeue());
                 }
                 defenderQueue.Dequeue();
             }
         }
         if (wsToIdDictionary.ContainsKey(ws))
         {
             if (idToPlayerDictionary.ContainsKey(wsToIdDictionary[ws]))
             {
                 idToPlayerDictionary[wsToIdDictionary[ws]].currentMatch.ws_disconnected(ws);
             }
         }
         if (ws.IsConnected)
         {
             ws.Dispose();
         }
         
     }
 }