C++ (Cpp) MQTTSnPublish::setMsgId Examples

Example #1

File: GatewayControlTask.cpp Project: comrit/MQTT-SN

/*-------------------------------------------------------
                Downstream MQTTPublish
 -------------------------------------------------------*/
void GatewayControlTask::handlePublish(Event* ev, ClientNode* clnode, MQTTMessage* msg){

	MQTTPublish* mqMsg = static_cast<MQTTPublish*>(msg);
	MQTTSnPublish* snMsg = new MQTTSnPublish();

	string* tp = mqMsg->getTopic();
	uint16_t tpId;

	if(tp->size() == 2){
		tpId = getUint16((uint8_t*)tp);
		snMsg->setFlags(MQTTSN_TOPIC_TYPE_SHORT);
	}else{
		tpId = clnode->getTopics()->getTopicId(tp);
		snMsg->setFlags(MQTTSN_TOPIC_TYPE_NORMAL);
	}
	if(tpId == 0){
		/* ----- may be a publish message response of subscribed with '#' or '+' -----*/
		tpId = clnode->getTopics()->createTopic(tp);

		if(tpId > 0){
			MQTTSnRegister* regMsg = new MQTTSnRegister();
			regMsg->setTopicId(tpId);
			regMsg->setTopicName(tp);
			printf(FORMAT2, currentDateTime(), "REGISTER", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(regMsg));

			clnode->setClientSendMessage(regMsg);
			Event* evrg = new Event();
			evrg->setClientSendEvent(clnode);
			_res->getClientSendQue()->post(evrg);   // Send Register first.
		}else{
			printf("GatewayControlTask Can't create Topic   %s\n", tp->c_str());
			return;
		}
	}

	snMsg->setTopicId(tpId);
	snMsg->setMsgId(mqMsg->getMessageId());
	snMsg->setData(mqMsg->getPayload(),mqMsg->getPayloadLength());
	snMsg->setQos(mqMsg->getQos());

	if(mqMsg->isDup()){
		snMsg->setDup();
	}

	if(mqMsg->isRetain()){
		snMsg->setDup();
	}
	clnode->setClientSendMessage(snMsg);
	printf(GREEN_FORMAT1, currentDateTime(), "PUBLISH", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(snMsg));

	Event* ev1 = new Event();
	ev1->setClientSendEvent(clnode);
	_res->getClientSendQue()->post(ev1);

}

Example #2

File: GatewayControlTask.cpp Project: comrit/MQTT-SN

/*-------------------------------------------------------
                Upstream MQTTSnSubscribe
 -------------------------------------------------------*/
void GatewayControlTask::handleSnSubscribe(Event* ev, ClientNode* clnode, MQTTSnMessage* msg){
	printf(FORMAT2, currentDateTime(), "SUBSCRIBE", LEFTARROW, clnode->getNodeId()->c_str(), msgPrint(msg));

	MQTTSnSubscribe* sSubscribe = new MQTTSnSubscribe();
	MQTTSubscribe* subscribe = new MQTTSubscribe();
	sSubscribe->absorb(msg);

	uint8_t topicIdType = sSubscribe->getFlags() & 0x03;

	subscribe->setMessageId(sSubscribe->getMsgId());

	if(sSubscribe->getFlags() & MQTTSN_FLAG_DUP ){
		subscribe->setDup();
	}
	if(sSubscribe->getFlags() & MQTTSN_FLAG_RETAIN){
		subscribe->setRetain();
	}
	subscribe->setQos(sSubscribe->getQos());

	if(topicIdType != MQTTSN_FLAG_TOPICID_TYPE_RESV){
		if(topicIdType == MQTTSN_FLAG_TOPICID_TYPE_PREDEFINED){
			/*----- Predefined TopicId ------*/
			MQTTSnSubAck* sSuback = new MQTTSnSubAck();

			if(sSubscribe->getMsgId()){       // MessageID
				sSuback->setQos(sSubscribe->getQos());
				sSuback->setTopicId(sSubscribe->getTopicId());
				sSuback->setMsgId(sSubscribe->getMsgId());

				if(sSubscribe->getTopicId() == MQTTSN_TOPICID_PREDEFINED_TIME){
					sSuback->setReturnCode(MQTT_RC_ACCEPTED);
				}else{
					sSuback->setReturnCode(MQTT_RC_REFUSED_IDENTIFIER_REJECTED);
				}

				clnode->setClientSendMessage(sSuback);

				Event* evsuback = new Event();
				evsuback->setClientSendEvent(clnode);
				printf(FORMAT1, currentDateTime(), "SUBACK", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(sSuback));

				_res->getClientSendQue()->post(evsuback);
			}

			if(sSubscribe->getTopicId() == MQTTSN_TOPICID_PREDEFINED_TIME){

				MQTTSnPublish* pub = new MQTTSnPublish();
				pub->setTopicIdType(1);  // pre-defined
				pub->setTopicId(MQTTSN_TOPICID_PREDEFINED_TIME);
				pub->setMsgId(clnode->getNextSnMsgId());

				uint8_t buf[4];
				uint32_t tm = time(0);
				setUint32(buf,tm);

				pub->setData(buf, 4);
				printf(GREEN_FORMAT1, currentDateTime(), "PUBLISH", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(pub));

				clnode->setClientSendMessage(pub);

				Event *evpub = new Event();
				evpub->setClientSendEvent(clnode);
				_res->getClientSendQue()->post(evpub);
			}
			delete subscribe;
		}else{
			uint16_t tpId;

			Topic* tp = clnode->getTopics()->getTopic(sSubscribe->getTopicName());
			if (tp){
				tpId = tp->getTopicId();
			}else{
				tpId = clnode->getTopics()->createTopic(sSubscribe->getTopicName());
			}

			subscribe->setTopic(sSubscribe->getTopicName(), sSubscribe->getQos());
			if(sSubscribe->getMsgId()){
				MQTTSnSubAck* sSuback = new MQTTSnSubAck();
				sSuback->setMsgId(sSubscribe->getMsgId());
				sSuback->setTopicId(tpId);
				clnode->setWaitedSubAck(sSuback);
			}

			clnode->setBrokerSendMessage(subscribe);
			Event* ev1 = new Event();
			ev1->setBrokerSendEvent(clnode);
			_res->getBrokerSendQue()->post(ev1);
			delete sSubscribe;
			return;
		}

	}else{
		/*-- Irregular TopicIdType --*/
		if(sSubscribe->getMsgId()){
			MQTTSnSubAck* sSuback = new MQTTSnSubAck();
			sSuback->setMsgId(sSubscribe->getMsgId());
			sSuback->setTopicId(sSubscribe->getTopicId());
			sSuback->setReturnCode(MQTT_RC_REFUSED_IDENTIFIER_REJECTED);

			clnode->setClientSendMessage(sSuback);

			Event* evun = new Event();
			evun->setClientSendEvent(clnode);
			printf(FORMAT1, currentDateTime(), "SUBACK", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(sSuback));

			_res->getClientSendQue()->post(evun);  // Send SUBACK to Client
		}
		delete subscribe;
	}
	delete sSubscribe;
}