X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;ds=sidebyside;f=vendor%2Fsymfony%2Fhttp-kernel%2FProfiler%2FProfiler.php;fp=vendor%2Fsymfony%2Fhttp-kernel%2FProfiler%2FProfiler.php;h=88b4c0c94af1e71f39c085297cf4f0e617d8c699;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hp=0000000000000000000000000000000000000000;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad;p=yaffs-website diff --git a/vendor/symfony/http-kernel/Profiler/Profiler.php b/vendor/symfony/http-kernel/Profiler/Profiler.php new file mode 100644 index 000000000..88b4c0c94 --- /dev/null +++ b/vendor/symfony/http-kernel/Profiler/Profiler.php @@ -0,0 +1,309 @@ + + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\HttpKernel\Profiler; + +use Symfony\Component\HttpFoundation\Exception\ConflictingHeadersException; +use Symfony\Component\HttpFoundation\Request; +use Symfony\Component\HttpFoundation\Response; +use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface; +use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface; +use Psr\Log\LoggerInterface; + +/** + * Profiler. + * + * @author Fabien Potencier + */ +class Profiler +{ + /** + * @var ProfilerStorageInterface + */ + private $storage; + + /** + * @var DataCollectorInterface[] + */ + private $collectors = array(); + + /** + * @var LoggerInterface + */ + private $logger; + + /** + * @var bool + */ + private $enabled = true; + + /** + * Constructor. + * + * @param ProfilerStorageInterface $storage A ProfilerStorageInterface instance + * @param LoggerInterface $logger A LoggerInterface instance + */ + public function __construct(ProfilerStorageInterface $storage, LoggerInterface $logger = null) + { + $this->storage = $storage; + $this->logger = $logger; + } + + /** + * Disables the profiler. + */ + public function disable() + { + $this->enabled = false; + } + + /** + * Enables the profiler. + */ + public function enable() + { + $this->enabled = true; + } + + /** + * Loads the Profile for the given Response. + * + * @param Response $response A Response instance + * + * @return Profile|false A Profile instance + */ + public function loadProfileFromResponse(Response $response) + { + if (!$token = $response->headers->get('X-Debug-Token')) { + return false; + } + + return $this->loadProfile($token); + } + + /** + * Loads the Profile for the given token. + * + * @param string $token A token + * + * @return Profile A Profile instance + */ + public function loadProfile($token) + { + return $this->storage->read($token); + } + + /** + * Saves a Profile. + * + * @param Profile $profile A Profile instance + * + * @return bool + */ + public function saveProfile(Profile $profile) + { + // late collect + foreach ($profile->getCollectors() as $collector) { + if ($collector instanceof LateDataCollectorInterface) { + $collector->lateCollect(); + } + } + + if (!($ret = $this->storage->write($profile)) && null !== $this->logger) { + $this->logger->warning('Unable to store the profiler information.', array('configured_storage' => get_class($this->storage))); + } + + return $ret; + } + + /** + * Purges all data from the storage. + */ + public function purge() + { + $this->storage->purge(); + } + + /** + * Exports the current profiler data. + * + * @param Profile $profile A Profile instance + * + * @return string The exported data + * + * @deprecated since Symfony 2.8, to be removed in 3.0. + */ + public function export(Profile $profile) + { + @trigger_error('The '.__METHOD__.' method is deprecated since version 2.8 and will be removed in 3.0.', E_USER_DEPRECATED); + + return base64_encode(serialize($profile)); + } + + /** + * Imports data into the profiler storage. + * + * @param string $data A data string as exported by the export() method + * + * @return Profile|false A Profile instance + * + * @deprecated since Symfony 2.8, to be removed in 3.0. + */ + public function import($data) + { + @trigger_error('The '.__METHOD__.' method is deprecated since version 2.8 and will be removed in 3.0.', E_USER_DEPRECATED); + + $profile = unserialize(base64_decode($data)); + + if ($this->storage->read($profile->getToken())) { + return false; + } + + $this->saveProfile($profile); + + return $profile; + } + + /** + * Finds profiler tokens for the given criteria. + * + * @param string $ip The IP + * @param string $url The URL + * @param string $limit The maximum number of tokens to return + * @param string $method The request method + * @param string $start The start date to search from + * @param string $end The end date to search to + * + * @return array An array of tokens + * + * @see http://php.net/manual/en/datetime.formats.php for the supported date/time formats + */ + public function find($ip, $url, $limit, $method, $start, $end) + { + return $this->storage->find($ip, $url, $limit, $method, $this->getTimestamp($start), $this->getTimestamp($end)); + } + + /** + * Collects data for the given Response. + * + * @param Request $request A Request instance + * @param Response $response A Response instance + * @param \Exception $exception An exception instance if the request threw one + * + * @return Profile|null A Profile instance or null if the profiler is disabled + */ + public function collect(Request $request, Response $response, \Exception $exception = null) + { + if (false === $this->enabled) { + return; + } + + $profile = new Profile(substr(hash('sha256', uniqid(mt_rand(), true)), 0, 6)); + $profile->setTime(time()); + $profile->setUrl($request->getUri()); + $profile->setMethod($request->getMethod()); + $profile->setStatusCode($response->getStatusCode()); + try { + $profile->setIp($request->getClientIp()); + } catch (ConflictingHeadersException $e) { + $profile->setIp('Unknown'); + } + + $response->headers->set('X-Debug-Token', $profile->getToken()); + + foreach ($this->collectors as $collector) { + $collector->collect($request, $response, $exception); + + // we need to clone for sub-requests + $profile->addCollector(clone $collector); + } + + return $profile; + } + + /** + * Gets the Collectors associated with this profiler. + * + * @return array An array of collectors + */ + public function all() + { + return $this->collectors; + } + + /** + * Sets the Collectors associated with this profiler. + * + * @param DataCollectorInterface[] $collectors An array of collectors + */ + public function set(array $collectors = array()) + { + $this->collectors = array(); + foreach ($collectors as $collector) { + $this->add($collector); + } + } + + /** + * Adds a Collector. + * + * @param DataCollectorInterface $collector A DataCollectorInterface instance + */ + public function add(DataCollectorInterface $collector) + { + $this->collectors[$collector->getName()] = $collector; + } + + /** + * Returns true if a Collector for the given name exists. + * + * @param string $name A collector name + * + * @return bool + */ + public function has($name) + { + return isset($this->collectors[$name]); + } + + /** + * Gets a Collector by name. + * + * @param string $name A collector name + * + * @return DataCollectorInterface A DataCollectorInterface instance + * + * @throws \InvalidArgumentException if the collector does not exist + */ + public function get($name) + { + if (!isset($this->collectors[$name])) { + throw new \InvalidArgumentException(sprintf('Collector "%s" does not exist.', $name)); + } + + return $this->collectors[$name]; + } + + private function getTimestamp($value) + { + if (null === $value || '' == $value) { + return; + } + + try { + $value = new \DateTime(is_numeric($value) ? '@'.$value : $value); + } catch (\Exception $e) { + return; + } + + return $value->getTimestamp(); + } +}