--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * 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 <fabien@symfony.com>
+ */
+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();
+ }
+}
projects / yaffs-website / blobdiff