public function start()
{
$packet = new ConnectRequestPacket();
$packet->setProtocolLevel($this->connection->getProtocol());
$packet->setKeepAlive($this->connection->getKeepAlive());
$packet->setClientID($this->connection->getClientID());
$packet->setCleanSession($this->connection->isCleanSession());
$packet->setUsername($this->connection->getUsername());
$packet->setPassword($this->connection->getPassword());
$will = $this->connection->getWill();
if ($will !== null && $will->getTopic() !== '' && $will->getPayload() !== '') {
$packet->setWill($will->getTopic(), $will->getPayload(), $will->getQosLevel(), $will->isRetained());
}
return $packet;
}
