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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\DataCollector;
  13  
  14  use Symfony\Component\HttpFoundation\Request;
  15  use Symfony\Component\HttpFoundation\Response;
  16  use Symfony\Component\HttpKernel\KernelInterface;
  17  
  18  /**
  19   * TimeDataCollector.
  20   *
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   */
  23  class TimeDataCollector extends DataCollector implements LateDataCollectorInterface
  24  {
  25      protected $kernel;
  26      protected $stopwatch;
  27  
  28      public function __construct(KernelInterface $kernel = null, $stopwatch = null)
  29      {
  30          $this->kernel = $kernel;
  31          $this->stopwatch = $stopwatch;
  32      }
  33  
  34      /**
  35       * {@inheritdoc}
  36       */
  37      public function collect(Request $request, Response $response, \Exception $exception = null)
  38      {
  39          if (null !== $this->kernel) {
  40              $startTime = $this->kernel->getStartTime();
  41          } else {
  42              $startTime = $request->server->get('REQUEST_TIME_FLOAT', $request->server->get('REQUEST_TIME'));
  43          }
  44  
  45          $this->data = array(
  46              'token' => $response->headers->get('X-Debug-Token'),
  47              'start_time' => $startTime * 1000,
  48              'events' => array(),
  49          );
  50      }
  51  
  52      /**
  53       * {@inheritdoc}
  54       */
  55      public function lateCollect()
  56      {
  57          if (null !== $this->stopwatch && isset($this->data['token'])) {
  58              $this->setEvents($this->stopwatch->getSectionEvents($this->data['token']));
  59          }
  60          unset($this->data['token']);
  61      }
  62  
  63      /**
  64       * Sets the request events.
  65       *
  66       * @param array $events The request events
  67       */
  68      public function setEvents(array $events)
  69      {
  70          foreach ($events as $event) {
  71              $event->ensureStopped();
  72          }
  73  
  74          $this->data['events'] = $events;
  75      }
  76  
  77      /**
  78       * Gets the request events.
  79       *
  80       * @return array The request events
  81       */
  82      public function getEvents()
  83      {
  84          return $this->data['events'];
  85      }
  86  
  87      /**
  88       * Gets the request elapsed time.
  89       *
  90       * @return float The elapsed time
  91       */
  92      public function getDuration()
  93      {
  94          if (!isset($this->data['events']['__section__'])) {
  95              return 0;
  96          }
  97  
  98          $lastEvent = $this->data['events']['__section__'];
  99  
 100          return $lastEvent->getOrigin() + $lastEvent->getDuration() - $this->getStartTime();
 101      }
 102  
 103      /**
 104       * Gets the initialization time.
 105       *
 106       * This is the time spent until the beginning of the request handling.
 107       *
 108       * @return float The elapsed time
 109       */
 110      public function getInitTime()
 111      {
 112          if (!isset($this->data['events']['__section__'])) {
 113              return 0;
 114          }
 115  
 116          return $this->data['events']['__section__']->getOrigin() - $this->getStartTime();
 117      }
 118  
 119      /**
 120       * Gets the request time.
 121       *
 122       * @return int The time
 123       */
 124      public function getStartTime()
 125      {
 126          return $this->data['start_time'];
 127      }
 128  
 129      /**
 130       * {@inheritdoc}
 131       */
 132      public function getName()
 133      {
 134          return 'time';
 135      }
 136  }