示例#1
0
        private void OnReceived(object sender, SocketAsyncEventArgs eventArgs)
        {
            while (true)
            {
                if (TcpHelper.ShouldHandleError(eventArgs, out bool isRemoteShutdown))
                {
                    if (isRemoteShutdown)
                    {
                        UserToken userToken = (UserToken)eventArgs.UserToken;
                        if (!ForcedDisconnect(userToken.Socket))
                        {
                            return;
                        }

                        _connectionLostHandler(userToken.Socket);
                        userToken.Deinitialize();
                        lock (_receiveEventArgsQueue) {
                            _receiveEventArgsQueue.Enqueue(eventArgs);
                        }
                    }
                    return;
                }

                UserToken token = (UserToken)eventArgs.UserToken;
                if (token.ShouldHandle())
                {
                    _receiveHandler(token.Socket, eventArgs.Buffer, eventArgs.BytesTransferred);
                }

                try {
                    if (token.Socket.ReceiveAsync(eventArgs))
                    {
                        break;
                    }
                } catch (Exception e) when(e is ObjectDisposedException || e is InvalidOperationException)
                {
                    return;
                }
            }
        }