/*-------------------------------------------------------
Upstream MQTTSnUnsubscribe
-------------------------------------------------------*/
void GatewayControlTask::handleSnUnsubscribe(Event* ev, ClientNode* clnode, MQTTSnMessage* msg){
printf(FORMAT2, currentDateTime(), "UNSUBSCRIBE", LEFTARROW, clnode->getNodeId()->c_str(), msgPrint(msg));
MQTTSnUnsubscribe* sUnsubscribe = new MQTTSnUnsubscribe();
MQTTUnsubscribe* unsubscribe = new MQTTUnsubscribe();
sUnsubscribe->absorb(msg);
uint8_t topicIdType = sUnsubscribe->getFlags() & 0x03;
unsubscribe->setMessageId(sUnsubscribe->getMsgId());
if(topicIdType != MQTTSN_FLAG_TOPICID_TYPE_RESV){
if(topicIdType == MQTTSN_FLAG_TOPICID_TYPE_SHORT){
unsubscribe->setTopicName(sUnsubscribe->getTopicName()); // TopicName
}else if(clnode->getTopics()->getTopic(sUnsubscribe->getTopicId())){
if(topicIdType == MQTTSN_FLAG_TOPICID_TYPE_PREDEFINED) goto uslbl1;
unsubscribe->setTopicName(sUnsubscribe->getTopicName());
}
clnode->setBrokerSendMessage(unsubscribe);
Event* ev1 = new Event();
ev1->setBrokerSendEvent(clnode);
_res->getBrokerSendQue()->post(ev1); // UNSUBSCRIBE to Broker
delete sUnsubscribe;
return;
}
/*-- Irregular TopicIdType or MQTTSN_FLAG_TOPICID_TYPE_PREDEFINED --*/
uslbl1:
if(sUnsubscribe->getMsgId()){
MQTTSnUnsubAck* sUnsuback = new MQTTSnUnsubAck();
sUnsuback->setMsgId(sUnsubscribe->getMsgId());
clnode->setClientSendMessage(sUnsuback);
Event* evun = new Event();
evun->setClientSendEvent(clnode);
printf(FORMAT1, currentDateTime(), "UNSUBACK", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(sUnsuback));
_res->getClientSendQue()->post(evun); // Send UNSUBACK to Client
}
delete sUnsubscribe;
}
