From 965cbe52f22809f19ca150feb585b0218aa89f85 Mon Sep 17 00:00:00 2001 From: brettp Date: Wed, 22 Sep 2010 17:01:17 +0000 Subject: Converted line endings to unix. git-svn-id: http://code.elgg.org/elgg/trunk@6957 36083f99-b078-4883-b0ff-0f9b5a30f544 --- engine/classes/ElggFileCache.php | 326 +++++++++++++++++++-------------------- 1 file changed, 163 insertions(+), 163 deletions(-) (limited to 'engine/classes/ElggFileCache.php') diff --git a/engine/classes/ElggFileCache.php b/engine/classes/ElggFileCache.php index b8989a935..61a2357b5 100644 --- a/engine/classes/ElggFileCache.php +++ b/engine/classes/ElggFileCache.php @@ -1,164 +1,164 @@ - - * @package Elgg - * @subpackage API - */ -class ElggFileCache extends ElggCache { - /** - * Set the Elgg cache. - * - * @param string $cache_path The cache path. - * @param int $max_age Maximum age in seconds, 0 if no limit. - * @param int $max_size Maximum size of cache in seconds, 0 if no limit. - */ - function __construct($cache_path, $max_age = 0, $max_size = 0) { - $this->set_variable("cache_path", $cache_path); - $this->set_variable("max_age", $max_age); - $this->set_variable("max_size", $max_size); - - if ($cache_path=="") { - throw new ConfigurationException(elgg_echo('ConfigurationException:NoCachePath')); - } - } - - /** - * Create and return a handle to a file. - * - * @param string $filename - * @param string $rw - */ - protected function create_file($filename, $rw = "rb") { - // Create a filename matrix - $matrix = ""; - $depth = strlen($filename); - if ($depth > 5) { - $depth = 5; - } - - // Create full path - $path = $this->get_variable("cache_path") . $matrix; - if (!is_dir($path)) { - mkdir($path, 0700, true); - } - - // Open the file - if ((!file_exists($path . $filename)) && ($rw=="rb")) { - return false; - } - - return fopen($path . $filename, $rw); - } - - /** - * Create a sanitised filename for the file. - * - * @param string $filename - */ - protected function sanitise_filename($filename) { - // @todo : Writeme - - return $filename; - } - - /** - * Save a key - * - * @param string $key - * @param string $data - * @return boolean - */ - public function save($key, $data) { - $f = $this->create_file($this->sanitise_filename($key), "wb"); - if ($f) { - $result = fwrite($f, $data); - fclose($f); - - return $result; - } - - return false; - } - - /** - * Load a key - * - * @param string $key - * @param int $offset - * @param int $limit - * @return string - */ - public function load($key, $offset = 0, $limit = null) { - $f = $this->create_file($this->sanitise_filename($key)); - if ($f) { - //fseek($f, $offset); - if (!$limit) { - $limit = -1; - } - $data = stream_get_contents($f, $limit, $offset); - - fclose($f); - - return $data; - } - - return false; - } - - /** - * Invalidate a given key. - * - * @param string $key - * @return bool - */ - public function delete($key) { - $dir = $this->get_variable("cache_path"); - - if (file_exists($dir.$key)) { - return unlink($dir.$key); - } - return TRUE; - } - - public function clear() { - // @todo writeme - } - - public function __destruct() { - // @todo Check size and age, clean up accordingly - $size = 0; - $dir = $this->get_variable("cache_path"); - - // Short circuit if both size and age are unlimited - if (($this->get_variable("max_age")==0) && ($this->get_variable("max_size")==0)) { - return; - } - - $exclude = array(".",".."); - - $files = scandir($dir); - if (!$files) { - throw new IOException(sprintf(elgg_echo('IOException:NotDirectory'), $dir)); - } - - // Perform cleanup - foreach ($files as $f) { - if (!in_array($f, $exclude)) { - $stat = stat($dir.$f); - - // Add size - $size .= $stat['size']; - - // Is this older than my maximum date? - if (($this->get_variable("max_age")>0) && (time() - $stat['mtime'] > $this->get_variable("max_age"))) { - unlink($dir.$f); - } - - // @todo Size - } - } - } + + * @package Elgg + * @subpackage API + */ +class ElggFileCache extends ElggCache { + /** + * Set the Elgg cache. + * + * @param string $cache_path The cache path. + * @param int $max_age Maximum age in seconds, 0 if no limit. + * @param int $max_size Maximum size of cache in seconds, 0 if no limit. + */ + function __construct($cache_path, $max_age = 0, $max_size = 0) { + $this->set_variable("cache_path", $cache_path); + $this->set_variable("max_age", $max_age); + $this->set_variable("max_size", $max_size); + + if ($cache_path=="") { + throw new ConfigurationException(elgg_echo('ConfigurationException:NoCachePath')); + } + } + + /** + * Create and return a handle to a file. + * + * @param string $filename + * @param string $rw + */ + protected function create_file($filename, $rw = "rb") { + // Create a filename matrix + $matrix = ""; + $depth = strlen($filename); + if ($depth > 5) { + $depth = 5; + } + + // Create full path + $path = $this->get_variable("cache_path") . $matrix; + if (!is_dir($path)) { + mkdir($path, 0700, true); + } + + // Open the file + if ((!file_exists($path . $filename)) && ($rw=="rb")) { + return false; + } + + return fopen($path . $filename, $rw); + } + + /** + * Create a sanitised filename for the file. + * + * @param string $filename + */ + protected function sanitise_filename($filename) { + // @todo : Writeme + + return $filename; + } + + /** + * Save a key + * + * @param string $key + * @param string $data + * @return boolean + */ + public function save($key, $data) { + $f = $this->create_file($this->sanitise_filename($key), "wb"); + if ($f) { + $result = fwrite($f, $data); + fclose($f); + + return $result; + } + + return false; + } + + /** + * Load a key + * + * @param string $key + * @param int $offset + * @param int $limit + * @return string + */ + public function load($key, $offset = 0, $limit = null) { + $f = $this->create_file($this->sanitise_filename($key)); + if ($f) { + //fseek($f, $offset); + if (!$limit) { + $limit = -1; + } + $data = stream_get_contents($f, $limit, $offset); + + fclose($f); + + return $data; + } + + return false; + } + + /** + * Invalidate a given key. + * + * @param string $key + * @return bool + */ + public function delete($key) { + $dir = $this->get_variable("cache_path"); + + if (file_exists($dir.$key)) { + return unlink($dir.$key); + } + return TRUE; + } + + public function clear() { + // @todo writeme + } + + public function __destruct() { + // @todo Check size and age, clean up accordingly + $size = 0; + $dir = $this->get_variable("cache_path"); + + // Short circuit if both size and age are unlimited + if (($this->get_variable("max_age")==0) && ($this->get_variable("max_size")==0)) { + return; + } + + $exclude = array(".",".."); + + $files = scandir($dir); + if (!$files) { + throw new IOException(sprintf(elgg_echo('IOException:NotDirectory'), $dir)); + } + + // Perform cleanup + foreach ($files as $f) { + if (!in_array($f, $exclude)) { + $stat = stat($dir.$f); + + // Add size + $size .= $stat['size']; + + // Is this older than my maximum date? + if (($this->get_variable("max_age")>0) && (time() - $stat['mtime'] > $this->get_variable("max_age"))) { + unlink($dir.$f); + } + + // @todo Size + } + } + } } \ No newline at end of file -- cgit v1.2.3