public function accept(Packet $packet)
{
if ($this->message->getQosLevel() !== 2 || $packet->getPacketType() !== Packet::TYPE_PUBREL) {
return false;
}
/* @var PublishReleasePacket $packet */
return $packet->getIdentifier() === $this->identifier;
}
public function accept(Packet $packet)
{
if ($packet->getPacketType() !== Packet::TYPE_SUBACK) {
return false;
}
/* @var SubscribeResponsePacket $packet */
return $packet->getIdentifier() === $this->identifier;
}
public function accept(Packet $packet)
{
if ($this->message->getQosLevel() === 0) {
return false;
}
$packetType = $packet->getPacketType();
if ($packetType === Packet::TYPE_PUBACK && $this->message->getQosLevel() === 1) {
/* @var PublishAckPacket $packet */
return $packet->getIdentifier() === $this->identifier;
} elseif ($this->message->getQosLevel() === 2) {
if ($packetType === Packet::TYPE_PUBREC) {
/* @var PublishReceivedPacket $packet */
return $packet->getIdentifier() === $this->identifier;
} elseif ($this->receivedPubRec && $packetType === Packet::TYPE_PUBCOMP) {
/* @var PublishCompletePacket $packet */
return $packet->getIdentifier() === $this->identifier;
}
}
return false;
}
/**
* Handles an incoming packet.
*
* @param Packet $packet
*/
private function handlePacket(Packet $packet)
{
switch ($packet->getPacketType()) {
case Packet::TYPE_PUBLISH:
/* @var PublishRequestPacket $packet */
$message = new DefaultMessage($packet->getTopic(), $packet->getPayload(), $packet->getQosLevel(), $packet->isRetained(), $packet->isDuplicate());
$this->startFlow(new IncomingPublishFlow($message, $packet->getIdentifier()));
break;
case Packet::TYPE_CONNACK:
case Packet::TYPE_PINGRESP:
case Packet::TYPE_SUBACK:
case Packet::TYPE_UNSUBACK:
case Packet::TYPE_PUBREL:
case Packet::TYPE_PUBACK:
case Packet::TYPE_PUBREC:
case Packet::TYPE_PUBCOMP:
$flowFound = false;
foreach ($this->receivingFlows as $index => $flow) {
if ($flow->accept($packet)) {
$flowFound = true;
unset($this->receivingFlows[$index]);
$this->continueFlow($flow, $packet);
break;
}
}
if (!$flowFound) {
$this->emitWarning(new \LogicException(sprintf('Received unexpected packet of type %d.', $packet->getPacketType())));
}
break;
default:
$this->emitWarning(new \LogicException(sprintf('Cannot handle packet of type %d.', $packet->getPacketType())));
}
}
