bool PubSubClient::publish(MQTT::Publish &pub) {
if (!connected())
return false;
switch (pub.qos()) {
case 0:
pub.send(*_client);
lastOutActivity = millis();
break;
case 1:
if (!_send_reliably(&pub))
return false;
break;
case 2:
{
if (!_send_reliably(&pub))
return false;
MQTT::PublishRel pubrel(pub.packet_id());
if (!_send_reliably(&pubrel))
return false;
}
break;
}
return true;
}
void PubSubClient::_process_message(MQTT::Message* msg) {
switch (msg->type()) {
case MQTT::PUBLISH:
{
MQTT::Publish *pub = static_cast<MQTT::Publish*>(msg); // RTTI is disabled on embedded, so no dynamic_cast<>()
if (_callback)
_callback(*pub);
if (pub->qos() == 1) {
MQTT::PublishAck puback(pub->packet_id());
puback.send(*_client);
lastOutActivity = millis();
} else if (pub->qos() == 2) {
uint8_t retries = 0;
{
MQTT::PublishRec pubrec(pub->packet_id());
if (!_send_reliably(&pubrec))
return;
}
{
MQTT::PublishComp pubcomp(pub->packet_id());
pubcomp.send(*_client);
lastOutActivity = millis();
}
}
}
break;
case MQTT::PINGREQ:
{
MQTT::PingResp pr;
pr.send(*_client);
lastOutActivity = millis();
}
break;
case MQTT::PINGRESP:
pingOutstanding = false;
}
}