96 lines
3.6 KiB
PHP
96 lines
3.6 KiB
PHP
|
<?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\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 <fabien@symfony.com>
|
||
|
|
*/
|
||
|
|
class TraceableEventDispatcher extends BaseTraceableEventDispatcher
|
||
|
|
{
|
||
|
|
protected function beforeDispatch(string $eventName, object $event): void
|
||
|
|
{
|
||
|
|
if ($this->disabled?->__invoke()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch ($eventName) {
|
||
|
|
case KernelEvents::REQUEST:
|
||
|
|
$event->getRequest()->attributes->set('_stopwatch_token', bin2hex(random_bytes(3)));
|
||
|
|
$this->stopwatch->openSection();
|
||
|
|
break;
|
||
|
|
case KernelEvents::VIEW:
|
||
|
|
case KernelEvents::RESPONSE:
|
||
|
|
// stop only if a controller has been executed
|
||
|
|
if ($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) {
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
protected function afterDispatch(string $eventName, object $event): void
|
||
|
|
{
|
||
|
|
if ($this->disabled?->__invoke()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
$this->stopwatch->stopSection($sectionId);
|
||
|
|
} catch (\LogicException) {
|
||
|
|
// The stop watch service might have been reset in the meantime
|
||
|
|
}
|
||
|
|
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) {
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|