Esempio n. 1
0
        public async Task StartSendingNotifications()
        {
            try
            {
                while (_cancellationTokenSource.IsCancellationRequested == false)
                {
                    var result = await _manualResetEvent.WaitAsync(TimeSpan.FromMilliseconds(5000)).ConfigureAwait(false);

                    if (IsAlive == false)
                    {
                        return;
                    }

                    if (result == false)
                    {
                        await SendMessage(WebSocketHelper.Heartbeat).ConfigureAwait(false);

                        continue;
                    }

                    _manualResetEvent.Reset();

                    while (_messages.TryDequeue(out var message))
                    {
                        if (IsAlive == false)
                        {
                            return;
                        }

                        await SendMessage(ToByteArraySegment(message)).ConfigureAwait(false);
                    }
                }
            }
            catch (Exception e)
            {
                if (Logger.IsInfoEnabled)
                {
                    Logger.Info("Error when handling web socket connection", e);
                }
            }
            finally
            {
                TrafficWatchManager.Disconnect(this);

                try
                {
                    if (_disposed == false)
                    {
                        await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "NORMAL_CLOSE", _cancellationTokenSource.Token);
                    }
                }
                catch
                {
                    // ignore
                }
            }
        }
        public async Task StartSendingNotifications()
        {
            try
            {
                while (_cancellationTokenSource.IsCancellationRequested == false)
                {
                    var result = await _manualResetEvent.WaitAsync(TimeSpan.FromMilliseconds(5000)).ConfigureAwait(false);

                    if (_cancellationTokenSource.IsCancellationRequested)
                    {
                        break;
                    }

                    if (result == false)
                    {
                        await SendMessage(HeartbeatMessage).ConfigureAwait(false);

                        continue;
                    }

                    _manualResetEvent.Reset();

                    TrafficWatchNotification message;
                    while (_msgs.TryDequeue(out message))
                    {
                        if (_cancellationTokenSource.IsCancellationRequested)
                        {
                            break;
                        }

                        await SendMessage(ToByteArraySegment(message)).ConfigureAwait(false);
                    }
                }
            }
            catch (Exception e)
            {
                Logger.Info("Error when handling web socket connection", e);
                _cancellationTokenSource.Cancel();
            }
            finally
            {
                TrafficWatchManager.Disconnect(this);
                try
                {
                    await _websocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "NORNAL_CLOSE", _cancellationTokenSource?.Token ?? CancellationToken.None);
                }
                catch
                {
                    // ignore
                }
            }
        }