Esempio n. 1
0
        public void ProcessReceivedMessage(MqttMessage mess)
        {
            try
            {
                // Check if the message is an acknowledgement
                if (mess is MqttLib.Core.Messages.MqttAcknowledgeMessage)
                {
                    MqttAcknowledgeMessage ackMess = (MqttAcknowledgeMessage)mess;
                    removeMessage(ackMess.AckID);
                }
                // Check if the message is a PUBREC
                else if (mess is MqttLib.Core.Messages.MqttPubrecMessage)
                {
                    MqttPubrecMessage pubrec = (MqttPubrecMessage)mess;
                    // Remove the initial publish message
                    removeMessage(pubrec.AckID);
                    // Send a pubrel message
                    _strManager.SendMessage(new MqttPubrelMessage(pubrec.AckID));
                }
                // Check if the message is a PUBCOMP
                else if (mess is MqttLib.Core.Messages.MqttPubcompMessage)
                {
                    MqttPubcompMessage pubcomp = (MqttPubcompMessage)mess;
                    // Remove the PUBREL message
                    removeMessage(pubcomp.AckID);
                }
                else if (mess is MqttLib.Core.Messages.MqttPubrelMessage)
                {
                    MqttPubrelMessage pubrel = (MqttPubrelMessage)mess;
                    _strManager.SendMessage(new MqttPubcompMessage(pubrel.AckID));
                }

                else if (mess is MqttLib.Core.Messages.MqttPublishMessage)
                {
                    if (mess.QualityOfService == QoS.AtLeastOnce)
                    {
                        // Queue an acknowlegement
                        _responses.Add(mess.MessageID, new MqttPubackMessage(mess.MessageID));
                    }
                    else if (mess.QualityOfService == QoS.OnceAndOnceOnly)
                    {
                        _responses.Add(mess.MessageID, new MqttPubrelMessage(mess.MessageID));
                    }
                }

                // Raise a MessageReceivedEvent
                OnMessageReceived(mess);
            }
            catch (Exception e)
            {
                // we may have just lost the connection
                Log.Write(LogLevel.ERROR, e.ToString());
                // important messages (>QoS0) will be resent by broker
                // we should just ignore the message with no further processing.
            }
        }
Esempio n. 2
0
 public void ProcessSentMessage(MqttMessage mess)
 {
     // QoS > 0
     if (mess.QualityOfService > QoS.BestEfforts && !mess.Duplicate)
     {
         lock (_messages)
         {
             if (mess is MqttLib.Core.Messages.MqttAcknowledgeMessage)
             {
                 MqttAcknowledgeMessage ackMess = (MqttAcknowledgeMessage)mess;
                 _messages.Add(ackMess.AckID, mess);
             }
             else if (mess is MqttLib.Core.Messages.MqttPubrecMessage)
             {
                 MqttPubrecMessage pubrec = (MqttPubrecMessage)mess;
                 _messages.Add(pubrec.AckID, mess);
             }
             // Check if the message is a PUBCOMP
             else if (mess is MqttLib.Core.Messages.MqttPubcompMessage)
             {
                 MqttPubcompMessage pubcomp = (MqttPubcompMessage)mess;
                 _messages.Add(pubcomp.AckID, mess);
             }
             else if (mess is MqttLib.Core.Messages.MqttPubrelMessage)
             {
                 MqttPubrelMessage pubrel = (MqttPubrelMessage)mess;
                 _messages.Add(pubrel.AckID, mess);
             }
             else
             {
                 if (!_messages.Contains(mess.MessageID))
                 {
                     _messages.Add(mess.MessageID, mess);
                 }
             }
         }
     }
 }