public void HandleMessage(Action <string> logError)
 {
     if (IsBinary)
     {
         var args = new BinaryMessageReceivedEventArgs(GetBinData(), _webSocket, ConnectionId);
         BinaryBehavior(args);
     }
     else if (StringData != null)
     {
         var args = new StringMessageReceivedEventArgs(StringData, _webSocket, ConnectionId);
         StringBehavior(args);
     }
     else if (Exception != null)
     {
         logError($"Exception in read thread of connection {ConnectionId}:\r\n {ExceptionMessage}\r\n{Exception}\r\n{ (Exception.InnerException != null ? Exception.InnerException.ToString() : String.Empty) }");
     }
 }
Exemplo n.º 2
0
 public virtual void OnBinaryMessage(BinaryMessageReceivedEventArgs e)
 {
 }
        internal async Task RecieveLoop(WebSocket webSocket,
                                        Action <BinaryMessageReceivedEventArgs> binHandler,
                                        Action <StringMessageReceivedEventArgs> stringHandler,
                                        Action <WebSocketReceivedResultEventArgs> closeHandler,
                                        CancellationToken token = default(CancellationToken))
        {
            MemoryStream ms = null;

            try
            {
                var buff = new byte[1048576];
                ms = new MemoryStream();

                while (webSocket.State == WebSocketState.Open)
                {
                    var receivedResult = await webSocket.ReceiveAsync(new ArraySegment <byte>(buff), token);

                    if (receivedResult.MessageType == WebSocketMessageType.Binary ||
                        receivedResult.MessageType == WebSocketMessageType.Text)
                    {
                        ms.Write(buff, 0, receivedResult.Count);
                        if (receivedResult.EndOfMessage)
                        {
                            using (ms)
                            {
                                var arr = ms.ToArray();
                                if (receivedResult.MessageType == WebSocketMessageType.Binary)
                                {
                                    BinaryMessageReceivedEventArgs args = new BinaryMessageReceivedEventArgs(arr, webSocket);

                                    if (_useThreadPool)
                                    {
                                        Task.Run(() => binHandler(args));
                                    }
                                    else
                                    {
                                        binHandler(args);
                                    }
                                }
                                else
                                {
                                    var args = new StringMessageReceivedEventArgs(Encoding.UTF8.GetString(arr), webSocket);
                                    if (_useThreadPool)
                                    {
                                        Task.Run(() => stringHandler(args));
                                    }
                                    else
                                    {
                                        stringHandler(args);
                                    }
                                }
                            }
                            ms = new MemoryStream();
                        }
                    }
                    else if (receivedResult.MessageType == WebSocketMessageType.Close)
                    {
                        await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "", CancellationToken.None);

                        closeHandler(new WebSocketReceivedResultEventArgs(receivedResult));
                    }
                }
            }
            catch (Exception e)
            {
                _logError($"Exception: {e}");
                if (webSocket.State == WebSocketState.Aborted || webSocket.State == WebSocketState.Closed)
                {
                    closeHandler(new WebSocketReceivedResultEventArgs(e));
                }
            }
            finally
            {
                if (ms != null)
                {
                    ms.Dispose();
                }
            }
        }