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<?php |
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namespace Jns\Bundle\XhprofBundle\EventListener; |
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use Jns\Bundle\XhprofBundle\DataCollector\XhprofCollector; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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/** |
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* A web request listener to profile requests. |
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* |
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* The methods must be connected to the kernel.request and kernel.response |
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* events. |
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* |
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* @author Jonas Wouters <[email protected]> |
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*/ |
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class RequestListener |
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{ |
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protected $collector; |
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private $container; |
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public function __construct(XhprofCollector $collector, ContainerInterface $container) |
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{ |
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$this->collector = $collector; |
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$this->container = $container; |
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} |
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/** |
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* Start the profiler if |
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* - this is not a sub-request but the master request |
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* - we are not on the _wdt or _profiler url |
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* - if the query argument name is configured, only if it is present in the request |
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* - if the url does not match one of the exclude patterns |
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* |
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* @param GetResponseEvent $event |
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*/ |
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public function onCoreRequest(GetResponseEvent $event) |
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{ |
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if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) { |
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return; |
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} |
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$request = $event->getRequest(); |
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$requestQueryArgument = $this->container->getParameter('jns_xhprof.request_query_argument'); |
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if ($requestQueryArgument && is_null($request->query->get($requestQueryArgument))) { |
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return; |
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} elseif ($requestQueryArgument) { |
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$request->query->remove($requestQueryArgument); |
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} |
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$uri = $request->getRequestUri(); |
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if (false !== strpos($uri, "_wdt") || false !== strpos($uri, "_profiler")) { |
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return; |
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} |
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if ($excludePatterns = $this->container->getParameter('jns_xhprof.exclude_patterns')) { |
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foreach ($excludePatterns as $exclude) { |
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if (preg_match('@' . $exclude . '@', $uri)) { |
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return; |
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} |
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1 |
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} |
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1 |
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} |
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$this->collector->startProfiling($request); |
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} |
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/** |
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* Trigger ending the profiling if we end the master request. If the debug |
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* toolbar is active, this happens after XhprofCollector::collect, and thus |
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* the collector will return false. |
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* |
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* If the collector returns something, we put that into the special header |
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* to let the user identify the profiler run. |
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* |
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* @param FilterResponseEvent $event |
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*/ |
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public function onCoreResponse(FilterResponseEvent $event) |
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{ |
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if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) { |
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return; |
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} |
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$request = $event->getRequest(); |
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$link = $this->collector->stopProfiling($request->getHost(), $request->getUri()); |
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if (false === $link) { |
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return; |
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} |
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$headerName = $this->container->getParameter('jns_xhprof.response_header'); |
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if ($headerName) { |
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$event->getResponse()->headers->set($headerName, $this->collector->getXhprofUrl()); |
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} |
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} |
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} |
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jonaswouters /
XhprofBundle
