bool MQTTPublish::deserialize(uint8_t* buf){
uint8_t pos = 2;
_type = *buf & 0xf0;
if(_type != MQTT_TYPE_PUBLISH){
return false;
}
RemainingLength remLen;
_flags = *buf & 0x0f;
remLen.deserialize(buf + 1);
_remainLength = remLen.decode();
buf += 1 + remLen.getSize();
_topic = string((char*)buf + 2, getUint16(buf));
buf += _topic.size() + 2;
if(getQos()){
_messageId = getUint16(buf);
buf += 2;
pos += 2;
}
_len = _remainLength - _topic.size() - pos;
_payload = mqcalloc(_len);
memcpy(_payload, buf, _len);
return true;
}
bool MQTTSubAck::deserialize(uint8_t* buf){
RemainingLength remLen;
remLen.encode(_remainLength);
_type = *buf & 0xf0;
if(_type != MQTT_TYPE_SUBACK){
return false;
}
_flags = *buf++ & 0x0f;
remLen.deserialize(buf);
_messageId = getUint16(buf + remLen.getSize());
_qos = *(buf + remLen.getSize() + 2);
return true;
}
bool MQTTMessage::deserialize(uint8_t* buf){
RemainingLength remLen;
_type = *buf & 0xf0;
_flags = *buf & 0x0f;
remLen.deserialize(buf + 1);
_remainLength = remLen.decode();
switch(_type){
case MQTT_TYPE_PINGRESP:
return true;
break;
case MQTT_TYPE_UNSUBACK:
case MQTT_TYPE_PUBACK:
_messageId = getUint16(buf + 2);
break;
default:
return false;
}
return true;
}