--- /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;
+
+/**
+ * Storage for profiler using files.
+ *
+ * @author Alexandre Salomé <alexandre.salome@gmail.com>
+ */
+class FileProfilerStorage implements ProfilerStorageInterface
+{
+ /**
+ * Folder where profiler data are stored.
+ *
+ * @var string
+ */
+ private $folder;
+
+ /**
+ * Constructs the file storage using a "dsn-like" path.
+ *
+ * Example : "file:/path/to/the/storage/folder"
+ *
+ * @param string $dsn The DSN
+ *
+ * @throws \RuntimeException
+ */
+ public function __construct($dsn)
+ {
+ if (0 !== strpos($dsn, 'file:')) {
+ throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use FileStorage with an invalid dsn "%s". The expected format is "file:/path/to/the/storage/folder".', $dsn));
+ }
+ $this->folder = substr($dsn, 5);
+
+ if (!is_dir($this->folder) && false === @mkdir($this->folder, 0777, true) && !is_dir($this->folder)) {
+ throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $this->folder));
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function find($ip, $url, $limit, $method, $start = null, $end = null)
+ {
+ $file = $this->getIndexFilename();
+
+ if (!file_exists($file)) {
+ return array();
+ }
+
+ $file = fopen($file, 'r');
+ fseek($file, 0, SEEK_END);
+
+ $result = array();
+ while (count($result) < $limit && $line = $this->readLineFromFile($file)) {
+ $values = str_getcsv($line);
+ list($csvToken, $csvIp, $csvMethod, $csvUrl, $csvTime, $csvParent) = $values;
+ $csvStatusCode = isset($values[6]) ? $values[6] : null;
+
+ $csvTime = (int) $csvTime;
+
+ if ($ip && false === strpos($csvIp, $ip) || $url && false === strpos($csvUrl, $url) || $method && false === strpos($csvMethod, $method)) {
+ continue;
+ }
+
+ if (!empty($start) && $csvTime < $start) {
+ continue;
+ }
+
+ if (!empty($end) && $csvTime > $end) {
+ continue;
+ }
+
+ $result[$csvToken] = array(
+ 'token' => $csvToken,
+ 'ip' => $csvIp,
+ 'method' => $csvMethod,
+ 'url' => $csvUrl,
+ 'time' => $csvTime,
+ 'parent' => $csvParent,
+ 'status_code' => $csvStatusCode,
+ );
+ }
+
+ fclose($file);
+
+ return array_values($result);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function purge()
+ {
+ $flags = \FilesystemIterator::SKIP_DOTS;
+ $iterator = new \RecursiveDirectoryIterator($this->folder, $flags);
+ $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST);
+
+ foreach ($iterator as $file) {
+ if (is_file($file)) {
+ unlink($file);
+ } else {
+ rmdir($file);
+ }
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function read($token)
+ {
+ if (!$token || !file_exists($file = $this->getFilename($token))) {
+ return;
+ }
+
+ return $this->createProfileFromData($token, unserialize(file_get_contents($file)));
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @throws \RuntimeException
+ */
+ public function write(Profile $profile)
+ {
+ $file = $this->getFilename($profile->getToken());
+
+ $profileIndexed = is_file($file);
+ if (!$profileIndexed) {
+ // Create directory
+ $dir = dirname($file);
+ if (!is_dir($dir) && false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
+ throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $dir));
+ }
+ }
+
+ // Store profile
+ $data = array(
+ 'token' => $profile->getToken(),
+ 'parent' => $profile->getParentToken(),
+ 'children' => array_map(function ($p) { return $p->getToken(); }, $profile->getChildren()),
+ 'data' => $profile->getCollectors(),
+ 'ip' => $profile->getIp(),
+ 'method' => $profile->getMethod(),
+ 'url' => $profile->getUrl(),
+ 'time' => $profile->getTime(),
+ );
+
+ if (false === file_put_contents($file, serialize($data))) {
+ return false;
+ }
+
+ if (!$profileIndexed) {
+ // Add to index
+ if (false === $file = fopen($this->getIndexFilename(), 'a')) {
+ return false;
+ }
+
+ fputcsv($file, array(
+ $profile->getToken(),
+ $profile->getIp(),
+ $profile->getMethod(),
+ $profile->getUrl(),
+ $profile->getTime(),
+ $profile->getParentToken(),
+ $profile->getStatusCode(),
+ ));
+ fclose($file);
+ }
+
+ return true;
+ }
+
+ /**
+ * Gets filename to store data, associated to the token.
+ *
+ * @param string $token
+ *
+ * @return string The profile filename
+ */
+ protected function getFilename($token)
+ {
+ // Uses 4 last characters, because first are mostly the same.
+ $folderA = substr($token, -2, 2);
+ $folderB = substr($token, -4, 2);
+
+ return $this->folder.'/'.$folderA.'/'.$folderB.'/'.$token;
+ }
+
+ /**
+ * Gets the index filename.
+ *
+ * @return string The index filename
+ */
+ protected function getIndexFilename()
+ {
+ return $this->folder.'/index.csv';
+ }
+
+ /**
+ * Reads a line in the file, backward.
+ *
+ * This function automatically skips the empty lines and do not include the line return in result value.
+ *
+ * @param resource $file The file resource, with the pointer placed at the end of the line to read
+ *
+ * @return mixed A string representing the line or null if beginning of file is reached
+ */
+ protected function readLineFromFile($file)
+ {
+ $line = '';
+ $position = ftell($file);
+
+ if (0 === $position) {
+ return;
+ }
+
+ while (true) {
+ $chunkSize = min($position, 1024);
+ $position -= $chunkSize;
+ fseek($file, $position);
+
+ if (0 === $chunkSize) {
+ // bof reached
+ break;
+ }
+
+ $buffer = fread($file, $chunkSize);
+
+ if (false === ($upTo = strrpos($buffer, "\n"))) {
+ $line = $buffer.$line;
+ continue;
+ }
+
+ $position += $upTo;
+ $line = substr($buffer, $upTo + 1).$line;
+ fseek($file, max(0, $position), SEEK_SET);
+
+ if ('' !== $line) {
+ break;
+ }
+ }
+
+ return '' === $line ? null : $line;
+ }
+
+ protected function createProfileFromData($token, $data, $parent = null)
+ {
+ $profile = new Profile($token);
+ $profile->setIp($data['ip']);
+ $profile->setMethod($data['method']);
+ $profile->setUrl($data['url']);
+ $profile->setTime($data['time']);
+ $profile->setCollectors($data['data']);
+
+ if (!$parent && $data['parent']) {
+ $parent = $this->read($data['parent']);
+ }
+
+ if ($parent) {
+ $profile->setParent($parent);
+ }
+
+ foreach ($data['children'] as $token) {
+ if (!$token || !file_exists($file = $this->getFilename($token))) {
+ continue;
+ }
+
+ $profile->addChild($this->createProfileFromData($token, unserialize(file_get_contents($file)), $profile));
+ }
+
+ return $profile;
+ }
+}
projects / yaffs-website / blobdiff