private void HandlePINGREQType(uint clientIndex, MqttMsgPingReq request, bool isWebSocketClient)
{
MqttMsgPingResp response = MsgBuilder.BuildPingResp();
byte[] resp = response.GetBytes();
Send(clientIndex, resp, resp.Length, isWebSocketClient);
}
public static MqttMsgBase DecodeControlPacket(byte[] data)
{
byte fixedHeaderFirstByte = (byte)(data[0] >> MqttMsgBase.MSG_TYPE_OFFSET);
switch (fixedHeaderFirstByte)
{
case MqttMsgBase.MQTT_MSG_CONNECT_TYPE:
{
return(MqttMsgConnect.Parse(data));
}
case MqttMsgBase.MQTT_MSG_CONNACK_TYPE:
{
return(MqttMsgConnack.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBLISH_TYPE:
{
return(MqttMsgPublish.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBACK_TYPE:
{
return(MqttMsgPuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREC_TYPE:
{
return(MqttMsgPubrec.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREL_TYPE:
{
return(MqttMsgPubrel.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBCOMP_TYPE:
{
return(MqttMsgPubcomp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBSCRIBE_TYPE:
{
return(MqttMsgSubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBACK_TYPE:
{
return(MqttMsgSuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBSCRIBE_TYPE:
{
return(MqttMsgUnsubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBACK_TYPE:
{
return(MqttMsgUnsuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGREQ_TYPE:
{
return(MqttMsgPingReq.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGRESP_TYPE:
{
return(MqttMsgPingResp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_DISCONNECT_TYPE:
{
CrestronLogger.WriteToLog("PACKETDECODER - Riconosciuto DISCONNNECT: ", 1);
return(MqttMsgDisconnect.Parse(data));
}
default:
{
throw new FormatException();
}
}
}
private void HandlePINGRESPType(uint clientIndex, MqttMsgPingResp mqttMsgSubscribe, bool isWebSocketClient)
{
throw new NotImplementedException();
}
/// <summary>
/// Thread for receiving messages from broker
/// </summary>
private void ReceiveThread()
{
int readBytes;
byte[] fixedHeaderFirstByte = new byte[1];
byte msgType;
while (this.isRunning)
{
try
{
// read first byte (fixed header)
readBytes = this.socket.Receive(fixedHeaderFirstByte);
if (readBytes > 0)
{
// extract message type from received byte
msgType = (byte)((fixedHeaderFirstByte[0] & MqttMsgBase.MSG_TYPE_MASK) >> MqttMsgBase.MSG_TYPE_OFFSET);
switch (msgType)
{
// impossible, broker can't send CONNECT message
case MqttMsgBase.MQTT_MSG_CONNECT_TYPE:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
// CONNACK message received from broker
case MqttMsgBase.MQTT_MSG_CONNACK_TYPE:
this.msgReceived = MqttMsgConnack.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
break;
// impossible, broker can't send PINGREQ message
case MqttMsgBase.MQTT_MSG_PINGREQ_TYPE:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
// CONNACK message received from broker
case MqttMsgBase.MQTT_MSG_PINGRESP_TYPE:
this.msgReceived = MqttMsgPingResp.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
break;
// impossible, broker can't send SUBSCRIBE message
case MqttMsgBase.MQTT_MSG_SUBSCRIBE_TYPE:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
// SUBACK message received from broker
case MqttMsgBase.MQTT_MSG_SUBACK_TYPE:
this.msgReceived = MqttMsgSuback.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
// raise subscribed topic event (SUBACK message received)
this.OnMqttMsgSubscribed((MqttMsgSuback)this.msgReceived);
break;
// PUBLISH message received from broker
case MqttMsgBase.MQTT_MSG_PUBLISH_TYPE:
MqttMsgPublish msgReceived = MqttMsgPublish.Parse(fixedHeaderFirstByte[0], this.socket);
// for QoS Level 1 and 2, client sends PUBACK message to broker
if ((this.msgReceived.QosLevel == MqttMsgBase.QOS_LEVEL_AT_LEAST_ONCE) ||
(this.msgReceived.QosLevel == MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE))
{
MqttMsgPuback puback = new MqttMsgPuback();
puback.MessageId = (msgReceived).MessageId;
this.Send(puback.GetBytes());
}
// raise PUBLISH message received event
this.OnMqttMsgPublishReceived(msgReceived);
break;
// PUBACK message received from broker
case MqttMsgBase.MQTT_MSG_PUBACK_TYPE:
this.msgReceived = MqttMsgPuback.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
// raise published message event
// (PUBACK received for QoS Level 1)
this.OnMqttMsgPublished(((MqttMsgPuback)this.msgReceived).MessageId);
break;
// PUBREC message received from broker
case MqttMsgBase.MQTT_MSG_PUBREC_TYPE:
this.msgReceived = MqttMsgPubrec.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
break;
// impossible, broker can't send PUBREL message
case MqttMsgBase.MQTT_MSG_PUBREL_TYPE:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
// PUBCOMP message received from broker
case MqttMsgBase.MQTT_MSG_PUBCOMP_TYPE:
this.msgReceived = MqttMsgPubcomp.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
// raise published message event
// (PUBCOMP received for QoS Level 2)
this.OnMqttMsgPublished(((MqttMsgPuback)this.msgReceived).MessageId);
break;
// impossible, broker can't send UNSUBSCRIBE message
case MqttMsgBase.MQTT_MSG_UNSUBSCRIBE_TYPE:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
// UNSUBACK message received from broker
case MqttMsgBase.MQTT_MSG_UNSUBACK_TYPE:
this.msgReceived = MqttMsgUnsuback.Parse(fixedHeaderFirstByte[0], this.socket);
this.endReceiving.Set();
// raise unsubscribed topic event
this.OnMqttMsgUnsubscribed(((MqttMsgUnsuback)this.msgReceived).MessageId);
break;
default:
throw new MqttClientException(MqttClientErrorCode.WrongBrokerMessage);
}
this.exReceiving = null;
}
}
catch (Exception)
{
this.exReceiving = new MqttCommunicationException();
}
}
}
public static MqttMsgPingResp BuildPingResp()
{
MqttMsgPingResp request = new MqttMsgPingResp();
return(request);
}
public MqttMsgBase DecodeControlPacket(byte[] data)
{
byte fixedHeaderFirstByte = (byte)(data[0] >> MSG_TYPE_OFFSET);
switch (fixedHeaderFirstByte)
{
case MqttMsgBase.MQTT_MSG_CONNECT_TYPE:
{
return(MqttMsgConnect.Parse(data));
}
case MqttMsgBase.MQTT_MSG_CONNACK_TYPE:
{
return(MqttMsgConnack.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBLISH_TYPE:
{
return(MqttMsgPublish.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBACK_TYPE:
{
return(MqttMsgPuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREC_TYPE:
{
return(MqttMsgPubrec.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREL_TYPE:
{
return(MqttMsgPubrel.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBCOMP_TYPE:
{
return(MqttMsgPubcomp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBSCRIBE_TYPE:
{
return(MqttMsgSubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBACK_TYPE:
{
return(MqttMsgSuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBSCRIBE_TYPE:
{
return(MqttMsgUnsubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBACK_TYPE:
{
return(MqttMsgUnsuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGREQ_TYPE:
{
return(MqttMsgPingReq.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGRESP_TYPE:
{
return(MqttMsgPingResp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_DISCONNECT_TYPE:
{
return(MqttMsgDisconnect.Parse(data));
}
default:
{
throw new FormatException(" First byte shifted : " + fixedHeaderFirstByte);
}
}
}
/* private void StartKeepAlive()
* {
* Send(MsgBuilder.BuildPingReq());
* keepAliveTimer = new CTimer(KeepAliveTimerCallback, false, long.Parse(KeepAlivePeriod.ToString()));
* }*/
/*private void KeepAliveTimerCallback(object userSpecific)
* {
* bool hasPingResponseBeenReceived = (bool)userSpecific;
* if (hasPingResponseBeenReceived)
* {
*
* }
* else
* {
* OnErrorOccured("The server didn't respond on time ,disconnecting");
* Disconnect(false);
* }
* }
*
* private void TimoutTimerCallBack(object userSpecific)
* {
*
* }*/
private void HandlePINGRESPType(MqttMsgPingResp mqttMsgPingResp)
{
/* keepAliveTimer.Stop();
* keepAliveTimer.Dispose();
* keepAliveTimer = new CTimer(KeepAliveTimerCallback, true, long.Parse(KeepAlivePeriod.ToString()));*/
}
public MqttMsgBase DecodeControlPacket(byte[] data)
{
#if PACKET_DEBUG
CrestronLogger.WriteToLog("MQTTCLIENT - RECEIVE - " + BitConverter.ToString(data), 2);
#endif
byte fixedHeaderFirstByte = (byte)(data[0] >> MSG_TYPE_OFFSET);
switch (fixedHeaderFirstByte)
{
case MqttMsgBase.MQTT_MSG_CONNECT_TYPE:
{
return(MqttMsgConnect.Parse(data));
}
case MqttMsgBase.MQTT_MSG_CONNACK_TYPE:
{
return(MqttMsgConnack.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBLISH_TYPE:
{
return(MqttMsgPublish.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBACK_TYPE:
{
return(MqttMsgPuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREC_TYPE:
{
return(MqttMsgPubrec.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBREL_TYPE:
{
return(MqttMsgPubrel.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PUBCOMP_TYPE:
{
return(MqttMsgPubcomp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBSCRIBE_TYPE:
{
return(MqttMsgSubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_SUBACK_TYPE:
{
return(MqttMsgSuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBSCRIBE_TYPE:
{
return(MqttMsgUnsubscribe.Parse(data));
}
case MqttMsgBase.MQTT_MSG_UNSUBACK_TYPE:
{
return(MqttMsgUnsuback.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGREQ_TYPE:
{
return(MqttMsgPingReq.Parse(data));
}
case MqttMsgBase.MQTT_MSG_PINGRESP_TYPE:
{
return(MqttMsgPingResp.Parse(data));
}
case MqttMsgBase.MQTT_MSG_DISCONNECT_TYPE:
{
return(MqttMsgDisconnect.Parse(data));
}
default:
{
throw new FormatException(" First byte shifted : " + fixedHeaderFirstByte);
}
}
}
public static void PingResp(MqttClientConnection clientConnection)
{
MqttMsgPingResp pingresp = new MqttMsgPingResp();
Send(clientConnection, pingresp);
}
private void HandlePINGRESPType(MqttMsgPingResp mqttMsgPingResp)
{
}
