<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Messenger\EventListener;
use Psr\Container\ContainerInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Messenger\Event\WorkerMessageFailedEvent;
use Symfony\Component\Messenger\Stamp\DelayStamp;
use Symfony\Component\Messenger\Stamp\RedeliveryStamp;
use Symfony\Component\Messenger\Stamp\SentToFailureTransportStamp;
use Symfony\Component\Messenger\Transport\Sender\SenderInterface;
/**
* Sends a rejected message to a "failure transport".
*
* @author Ryan Weaver <ryan@symfonycasts.com>
*/
class SendFailedMessageToFailureTransportListener implements EventSubscriberInterface
{
private $failureSenders;
private $logger;
/**
* @param ContainerInterface $failureSenders
*/
public function __construct($failureSenders, LoggerInterface $logger = null)
{
if (!$failureSenders instanceof ContainerInterface) {
trigger_deprecation('symfony/messenger', '5.3', 'Passing a SenderInterface value as 1st argument to "%s()" is deprecated, pass a ServiceLocator instead.', __METHOD__);
}
$this->failureSenders = $failureSenders;
$this->logger = $logger;
}
public function onMessageFailed(WorkerMessageFailedEvent $event)
{
if ($event->willRetry()) {
return;
}
if (!$this->hasFailureTransports($event)) {
return;
}
$failureSender = $this->getFailureSender($event->getReceiverName());
if (null === $failureSender) {
return;
}
$envelope = $event->getEnvelope();
// avoid re-sending to the failed sender
if (null !== $envelope->last(SentToFailureTransportStamp::class)) {
return;
}
$envelope = $envelope->with(
new SentToFailureTransportStamp($event->getReceiverName()),
new DelayStamp(0),
new RedeliveryStamp(0)
);
if (null !== $this->logger) {
$this->logger->info('Rejected message {class} will be sent to the failure transport {transport}.', [
'class' => \get_class($envelope->getMessage()),
'transport' => \get_class($failureSender),
]);
}
$failureSender->send($envelope);
}
public static function getSubscribedEvents()
{
return [
WorkerMessageFailedEvent::class => ['onMessageFailed', -100],
];
}
private function getFailureSender(string $receiverName): SenderInterface
{
if ($this->failureSenders instanceof SenderInterface) {
return $this->failureSenders;
}
return $this->failureSenders->get($receiverName);
}
private function hasFailureTransports(WorkerMessageFailedEvent $event): bool
{
return ($this->failureSenders instanceof ContainerInterface && $this->failureSenders->has($event->getReceiverName())) || $this->failureSenders instanceof SenderInterface;
}
}