public function next(Packet $packet)
{
/* @var SubscribeResponsePacket $packet */
$returnCodes = $packet->getReturnCodes();
if (count($returnCodes) !== count($this->subscriptions)) {
throw new \LogicException(sprintf('SUBACK: Expected %d return codes but got %d.', count($this->subscriptions), count($returnCodes)));
}
foreach ($returnCodes as $index => $code) {
if ($packet->isError($code)) {
$this->fail(sprintf('Failed to subscribe to "%s".', $this->subscriptions[$index]->getFilter()));
return;
}
}
$this->succeed($this->subscriptions[0]);
}
