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;
}
/**
* Registers a new client with the broker.
*
* @param Connection $connection
* @param int $timeout
*
* @return ExtendedPromiseInterface
*/
private function registerClient(Connection $connection, $timeout)
{
$deferred = new Deferred();
$responseTimer = $this->loop->addTimer($timeout, function () use($deferred, $timeout) {
$exception = new \RuntimeException(sprintf('No response after %d seconds.', $timeout));
$deferred->reject($exception);
});
$this->startFlow(new OutgoingConnectFlow($connection, $this->identifierGenerator), true)->always(function () use($responseTimer) {
$this->loop->cancelTimer($responseTimer);
})->then(function (Connection $connection) use($deferred) {
$this->timer[] = $this->loop->addPeriodicTimer(floor($connection->getKeepAlive() * 0.75), function () {
$this->startFlow(new OutgoingPingFlow());
});
$deferred->resolve($connection);
})->otherwise(function (\Exception $e) use($deferred) {
$deferred->reject($e);
});
return $deferred->promise();
}