private void Stop(MqttClientDisconnectType type, bool isInsideSession)
{
try
{
var cts = _cancellationTokenSource;
if (cts == null || cts.IsCancellationRequested)
{
return;
}
_cancellationTokenSource?.Cancel(false);
_wasCleanDisconnect = type == MqttClientDisconnectType.Clean;
if (_willMessage != null && !_wasCleanDisconnect)
{
_sessionsManager.EnqueueApplicationMessage(this, _willMessage.ToPublishPacket());
}
_willMessage = null;
if (!isInsideSession)
{
_workerTask?.GetAwaiter().GetResult();
}
}
finally
{
_logger.Info("Client '{0}': Disconnected (clean={1}).", ClientId, _wasCleanDisconnect);
_eventDispatcher.OnClientDisconnected(ClientId, _wasCleanDisconnect);
}
}
public Task PublishAsync(MqttMessage applicationMessage)
{
ThrowIfNotConnected();
var publishPacket = applicationMessage.ToPublishPacket();
switch (applicationMessage.QualityOfServiceLevel)
{
case MqttQualityOfServiceLevel.AtMostOnce:
{
// No packet identifier is used for QoS 0 [3.3.2.2 Packet Identifier]
return(SendAsync(publishPacket, _cancellationTokenSource.Token));
}
case MqttQualityOfServiceLevel.AtLeastOnce:
{
publishPacket.PacketIdentifier = _packetIdentifierProvider.GetNewPacketIdentifier();
return(SendAndReceiveAsync <MqttPubAckPacket>(publishPacket, _cancellationTokenSource.Token));
}
case MqttQualityOfServiceLevel.ExactlyOnce:
{
return(PublishExactlyOnce(publishPacket, _cancellationTokenSource.Token));
}
default:
{
throw new NotSupportedException();
}
}
}
public Task PublishAsync(MqttMessage applicationMessage)
{
if (applicationMessage == null)
{
throw new ArgumentNullException(nameof(applicationMessage));
}
if (_cancellationTokenSource == null)
{
throw new InvalidOperationException("The server is not started.");
}
_clientSessionsManager.EnqueueApplicationMessage(null, applicationMessage.ToPublishPacket());
return(Task.FromResult(0));
}
