home/alospiesjs/www/apis/youtube/vendor/symfony/http-kernel/Debug/TraceableEventDispatcher.php000060400000006606151160136250027020 0ustar00 * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel\Debug; use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher as BaseTraceableEventDispatcher; use Symfony\Component\HttpKernel\KernelEvents; /** * Collects some data about event listeners. * * This event dispatcher delegates the dispatching to another one. * * @author Fabien Potencier */ class TraceableEventDispatcher extends BaseTraceableEventDispatcher { /** * {@inheritdoc} */ protected function beforeDispatch(string $eventName, object $event) { switch ($eventName) { case KernelEvents::REQUEST: $event->getRequest()->attributes->set('_stopwatch_token', substr(hash('sha256', uniqid(mt_rand(), true)), 0, 6)); $this->stopwatch->openSection(); break; case KernelEvents::VIEW: case KernelEvents::RESPONSE: // stop only if a controller has been executed if ($this->stopwatch->isStarted('controller')) { $this->stopwatch->stop('controller'); } break; case KernelEvents::TERMINATE: $sectionId = $event->getRequest()->attributes->get('_stopwatch_token'); if (null === $sectionId) { break; } // There is a very special case when using built-in AppCache class as kernel wrapper, in the case // of an ESI request leading to a `stale` response [B] inside a `fresh` cached response [A]. // In this case, `$token` contains the [B] debug token, but the open `stopwatch` section ID // is equal to the [A] debug token. Trying to reopen section with the [B] token throws an exception // which must be caught. try { $this->stopwatch->openSection($sectionId); } catch (\LogicException $e) { } break; } } /** * {@inheritdoc} */ protected function afterDispatch(string $eventName, object $event) { switch ($eventName) { case KernelEvents::CONTROLLER_ARGUMENTS: $this->stopwatch->start('controller', 'section'); break; case KernelEvents::RESPONSE: $sectionId = $event->getRequest()->attributes->get('_stopwatch_token'); if (null === $sectionId) { break; } $this->stopwatch->stopSection($sectionId); break; case KernelEvents::TERMINATE: // In the special case described in the `preDispatch` method above, the `$token` section // does not exist, then closing it throws an exception which must be caught. $sectionId = $event->getRequest()->attributes->get('_stopwatch_token'); if (null === $sectionId) { break; } try { $this->stopwatch->stopSection($sectionId); } catch (\LogicException $e) { } break; } } }