/
StopWorkerOnSignalsListener.php
57 lines (48 loc) · 1.61 KB
/
StopWorkerOnSignalsListener.php
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<?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\Log\LoggerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Messenger\Event\WorkerStartedEvent;
/**
* @author Tobias Schultze <http://tobion.de>
* @author Grégoire Pineau <lyrixx@lyrixx.info>
*/
class StopWorkerOnSignalsListener implements EventSubscriberInterface
{
private array $signals;
private ?LoggerInterface $logger;
public function __construct(array $signals = null, LoggerInterface $logger = null)
{
if (null === $signals && \defined('SIGTERM')) {
$signals = [SIGTERM, SIGINT];
}
$this->signals = $signals;
$this->logger = $logger;
}
public function onWorkerStarted(WorkerStartedEvent $event): void
{
foreach ($this->signals as $signal) {
pcntl_signal($signal, function () use ($event, $signal) {
$this->logger?->info('Received signal {signal}.', ['signal' => $signal, 'transport_names' => $event->getWorker()->getMetadata()->getTransportNames()]);
$event->getWorker()->stop();
});
}
}
public static function getSubscribedEvents(): array
{
if (!\function_exists('pcntl_signal')) {
return [];
}
return [
WorkerStartedEvent::class => ['onWorkerStarted', 100],
];
}
}