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.
}
}
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);
}
}
}
}
}
