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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\HttpKernel\KernelInterface;
  15  use Symfony\Component\HttpFoundation\Request;
  16  use Symfony\Component\HttpFoundation\Response;
  17  
  18  /**
  19   * TimeDataCollector.
  20   *
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   */
  23  class TimeDataCollector extends DataCollector
  24  {
  25      protected $kernel;
  26  
  27      public function __construct(KernelInterface $kernel = null)
  28      {
  29          $this->kernel = $kernel;
  30      }
  31  
  32      /**
  33       * {@inheritdoc}
  34       */
  35      public function collect(Request $request, Response $response, \Exception $exception = null)
  36      {
  37          if (null !== $this->kernel) {
  38              $startTime = $this->kernel->getStartTime();
  39          } else {
  40              $startTime = $request->server->get('REQUEST_TIME_FLOAT', $request->server->get('REQUEST_TIME'));
  41          }
  42  
  43          $this->data = array(
  44              'start_time' => $startTime * 1000,
  45              'events' => array(),
  46          );
  47      }
  48  
  49      /**
  50       * Sets the request events.
  51       *
  52       * @param array $events The request events
  53       */
  54      public function setEvents(array $events)
  55      {
  56          foreach ($events as $event) {
  57              $event->ensureStopped();
  58          }
  59  
  60          $this->data['events'] = $events;
  61      }
  62  
  63      /**
  64       * Gets the request events.
  65       *
  66       * @return array The request events
  67       */
  68      public function getEvents()
  69      {
  70          return $this->data['events'];
  71      }
  72  
  73      /**
  74       * Gets the request elapsed time.
  75       *
  76       * @return float The elapsed time
  77       */
  78      public function getDuration()
  79      {
  80          if (!isset($this->data['events']['__section__'])) {
  81              return 0;
  82          }
  83  
  84          $lastEvent = $this->data['events']['__section__'];
  85  
  86          return $lastEvent->getOrigin() + $lastEvent->getDuration() - $this->getStartTime();
  87      }
  88  
  89      /**
  90       * Gets the initialization time.
  91       *
  92       * This is the time spent until the beginning of the request handling.
  93       *
  94       * @return float The elapsed time
  95       */
  96      public function getInitTime()
  97      {
  98          if (!isset($this->data['events']['__section__'])) {
  99              return 0;
 100          }
 101  
 102          return $this->data['events']['__section__']->getOrigin() - $this->getStartTime();
 103      }
 104  
 105      /**
 106       * Gets the request time.
 107       *
 108       * @return int The time
 109       */
 110      public function getStartTime()
 111      {
 112          return $this->data['start_time'];
 113      }
 114  
 115      /**
 116       * {@inheritdoc}
 117       */
 118      public function getName()
 119      {
 120          return 'time';
 121      }
 122  }