/**
* @param Stream $stream
* @param string $topic
* @param int $qos
* @return \React\Promise\Promise
*/
public function subscribe(Stream $stream, $topic, $qos = 0)
{
$deferred = new Deferred();
$packet = new Subscribe($this->version);
$packet->addSubscription($topic, $qos);
$this->sentMessageToStream($stream, $packet);
$deferred = new Deferred();
$stream->on('SUBSCRIBE_ACK', function ($message) use($stream, $deferred) {
$deferred->resolve($stream);
});
return $deferred->promise();
}
public function testGetControlPacketType()
{
$version = new \oliverlorenz\reactphpmqtt\protocol\Version4();
$packet = new \oliverlorenz\reactphpmqtt\packet\Subscribe($version);
$this->assertEquals(\oliverlorenz\reactphpmqtt\packet\Subscribe::getControlPacketType(), 8);
}