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<?php |
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/* |
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* This file is part of the Ivory Http Adapter package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Ivory\HttpAdapter\Event\Subscriber; |
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use Ivory\HttpAdapter\Event\Events; |
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use Ivory\HttpAdapter\Event\MultiRequestErroredEvent; |
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use Ivory\HttpAdapter\Event\RequestErroredEvent; |
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use Ivory\HttpAdapter\Event\Retry\Retry; |
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use Ivory\HttpAdapter\Event\Retry\RetryInterface; |
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use Ivory\HttpAdapter\HttpAdapterException; |
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use Ivory\HttpAdapter\MultiHttpAdapterException; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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class RetrySubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var RetryInterface |
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*/ |
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private $retry; |
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/** |
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* @param RetryInterface|null $retry |
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*/ |
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public function __construct(RetryInterface $retry = null) |
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{ |
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$this->retry = $retry ?: new Retry(); |
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} |
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/** |
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* @return RetryInterface |
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*/ |
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public function getRetry() |
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{ |
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return $this->retry; |
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} |
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/** |
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* @param RequestErroredEvent $event |
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*/ |
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public function onRequestErrored(RequestErroredEvent $event) |
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{ |
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if (($request = $this->retry->retry($event->getException()->getRequest())) === false) { |
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return; |
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} |
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$event->getException()->setRequest($request); |
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try { |
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$event->setResponse($event->getHttpAdapter()->sendRequest($request)); |
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} catch (HttpAdapterException $e) { |
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$event->setException($e); |
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} |
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} |
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/** |
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* @param MultiRequestErroredEvent $event |
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*/ |
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public function onMultiResponseErrored(MultiRequestErroredEvent $event) |
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{ |
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$retryRequests = []; |
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foreach ($event->getExceptions() as $exception) { |
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if (($request = $this->retry->retry($exception->getRequest(), false)) !== false) { |
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$retryRequests[] = $request; |
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$event->removeException($exception); |
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} |
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} |
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if (empty($retryRequests)) { |
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return; |
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} |
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try { |
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$event->addResponses($event->getHttpAdapter()->sendRequests($retryRequests)); |
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} catch (MultiHttpAdapterException $e) { |
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$event->addResponses($e->getResponses()); |
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$event->addExceptions($e->getExceptions()); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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Events::REQUEST_ERRORED => ['onRequestErrored', 0], |
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Events::MULTI_REQUEST_ERRORED => ['onMultiResponseErrored', 0], |
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]; |
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} |
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} |
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Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: