bug #18618 [HttpKernel] tweaked redirection profiling in RequestDataC…

…ollector (HeahDude)

This PR was merged into the 3.1-dev branch.

Discussion
----------

[HttpKernel] tweaked redirection profiling in RequestDataCollector

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | ~
| License       | MIT
| Doc PR        | ~

- c8ba3b2 removes duplicated code forgotten in #17589

- a47d2e8 fixes the collecting of redirect data in first sub request instead of redirected master request.

Commits
-------

df19c14 use a request attribute flag for redirection profile
b26cb6d [HttpKernel] added RequestDataCollector::onKernelResponse()
c8ba3b2 [HttpKernel] remove legacy duplicated code

src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md

@@ -7,6 +7,7 @@ CHANGELOG
  * Added `Controller::json` to simplify creating JSON responses when using the Serializer component
  * Deprecated absolute template paths support in the template name parser
  * Deprecated using core form types without dependencies as services
+ * Added `Symfony\Component\HttpHernel\DataCollector\RequestDataCollector::onKernelResponse()`
  * Added `Symfony\Bundle\FrameworkBundle\DataCollector\RequestDataCollector`
  * Deprecated service `serializer.mapping.cache.apc` (use `serializer.mapping.cache.doctrine.apc` instead)
 

src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php

@@ -16,6 +16,7 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\ResponseHeaderBag;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
@@ -128,33 +129,22 @@ public function collect(Request $request, Response $response, \Exception $except
             unset($this->controllers[$request]);
         }
 
-        if ($request->hasSession() && $request->getSession()->has('sf_redirect')) {
-            $this->data['redirect'] = $request->getSession()->get('sf_redirect');
-            $request->getSession()->remove('sf_redirect');
-        }
-
-        if ($request->hasSession() && $response->isRedirect()) {
-            $request->getSession()->set('sf_redirect', array(
-                'token' => $response->headers->get('x-debug-token'),
-                'route' => $request->attributes->get('_route', 'n/a'),
-                'method' => $request->getMethod(),
-                'controller' => $this->parseController($request->attributes->get('_controller')),
-                'status_code' => $statusCode,
-                'status_text' => Response::$statusTexts[(int) $statusCode],
-            ));
-        }
+        if (isset($session)) {
+            if ($request->attributes->has('_redirected')) {
+                $this->data['redirect'] = $session->remove('sf_redirect');
+            }
 
-        if ($parentRequestAttributes = $request->attributes->get('_forwarded')) {
-            if ($parentRequestAttributes instanceof ParameterBag) {
-                $parentRequestAttributes->set('_forward_token', $response->headers->get('x-debug-token'));
+            if ($response->isRedirect()) {
+                $session->set('sf_redirect', array(
+                    'token' => $response->headers->get('x-debug-token'),
+                    'route' => $request->attributes->get('_route', 'n/a'),
+                    'method' => $request->getMethod(),
+                    'controller' => $this->parseController($request->attributes->get('_controller')),
+                    'status_code' => $statusCode,
+                    'status_text' => Response::$statusTexts[(int) $statusCode],
+                ));
             }
         }
-        if ($request->attributes->has('_forward_controller')) {
-            $this->data['forward'] = array(
-                'token' => $request->attributes->get('_forward_token'),
-                'controller' => $this->parseController($request->attributes->get('_forward_controller')),
-            );
-        }
     }
 
     public function getMethod()
@@ -298,9 +288,23 @@ public function onKernelController(FilterControllerEvent $event)
         $this->controllers[$event->getRequest()] = $event->getController();
     }
 
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (!$event->isMasterRequest() || !$event->getRequest()->hasSession()) {
+            return;
+        }
+
+        if ($event->getRequest()->getSession()->has('sf_redirect')) {
+            $event->getRequest()->attributes->set('_redirected', true);
+        }
+    }
+
     public static function getSubscribedEvents()
     {
-        return array(KernelEvents::CONTROLLER => 'onKernelController');
+        return array(
+            KernelEvents::CONTROLLER => 'onKernelController',
+            KernelEvents::RESPONSE => 'onKernelResponse',
+        );
     }
 
     /**