/*-------------------------------------------------------
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);
}
/*-------------------------------------------------------
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;
}