C++ (Cpp) RemainingLength::deserialize示例

示例#1

文件： Messages.cpp 项目： jpfy/MQTT-SN

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;
}

示例#2

文件： Messages.cpp 项目： jpfy/MQTT-SN

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;
}

示例#3

文件： Messages.cpp 项目： cxcco/MQTT-S-Gateway

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;
}