diff options
Diffstat (limited to 'system/libraries/drivers/Cache/Xcache.php')
| -rw-r--r-- | system/libraries/drivers/Cache/Xcache.php | 144 |
1 files changed, 93 insertions, 51 deletions
diff --git a/system/libraries/drivers/Cache/Xcache.php b/system/libraries/drivers/Cache/Xcache.php index 6254bbb6..ad11e6d7 100644 --- a/system/libraries/drivers/Cache/Xcache.php +++ b/system/libraries/drivers/Cache/Xcache.php @@ -1,85 +1,128 @@ <?php defined('SYSPATH') OR die('No direct access allowed.'); /** - * Xcache Cache driver. - * - * $Id: Xcache.php 4046 2009-03-05 19:23:29Z Shadowhand $ + * XCache-based Cache driver. + * + * $Id: Memcache.php 4605 2009-09-14 17:22:21Z kiall $ * * @package Cache * @author Kohana Team - * @copyright (c) 2007-2008 Kohana Team - * @license http://kohanaphp.com/license.html + * @copyright (c) 2007-2009 Kohana Team + * @license http://kohanaphp.com/license + * @TODO Check if XCache cleans its own keys. */ -class Cache_Xcache_Driver implements Cache_Driver { +class Cache_Xcache_Driver extends Cache_Driver { + protected $config; - public function __construct() + public function __construct($config) { if ( ! extension_loaded('xcache')) - throw new Kohana_Exception('cache.extension_not_loaded', 'xcache'); - } - - public function get($id) - { - if (xcache_isset($id)) - return xcache_get($id); + throw new Kohana_Exception('The xcache PHP extension must be loaded to use this driver.'); - return NULL; + $this->config = $config; } - public function set($id, $data, array $tags = NULL, $lifetime) + public function set($items, $tags = NULL, $lifetime = NULL) { - if ( ! empty($tags)) + if ($tags !== NULL) { - Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver'); + Kohana_Log::add('debug', __('Cache: XCache driver does not support tags')); } - return xcache_set($id, $data, $lifetime); - } + foreach ($items as $key => $value) + { + if (is_resource($value)) + throw new Cache_Exception('Caching of resources is impossible, because resources cannot be serialised.'); - public function find($tag) - { - Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver'); - return FALSE; + if ( ! xcache_set($key, $value, $lifetime)) + { + return FALSE; + } + } + + return TRUE; } - public function delete($id, $tag = FALSE) + public function get($keys, $single = FALSE) { - if ($tag !== FALSE) - { - Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver'); - return TRUE; - } - elseif ($id !== TRUE) + $items = array(); + + foreach ($keys as $key) { if (xcache_isset($id)) - return xcache_unset($id); + { + $items[$key] = xcache_get($id); + } + else + { + $items[$key] = NULL; + } + } - return FALSE; + if ($single) + { + return ($items === FALSE OR count($items) > 0) ? current($items) : NULL; } else { - // Do the login - $this->auth(); - $result = TRUE; - for ($i = 0, $max = xcache_count(XC_TYPE_VAR); $i < $max; $i++) + return ($items === FALSE) ? array() : $items; + } + } + + /** + * Get cache items by tag + */ + public function get_tag($tags) + { + Kohana_Log::add('debug', __('Cache: XCache driver does not support tags')); + return NULL; + } + + /** + * Delete cache item by key + */ + public function delete($keys) + { + foreach ($keys as $key) + { + if ( ! xcache_unset($key)) { - if (xcache_clear_cache(XC_TYPE_VAR, $i) !== NULL) - { - $result = FALSE; - break; - } + return FALSE; } - - // Undo the login - $this->auth(TRUE); - return $result; } return TRUE; } - public function delete_expired() + /** + * Delete cache items by tag + */ + public function delete_tag($tags) { - return TRUE; + Kohana_Log::add('debug', __('Cache: XCache driver does not support tags')); + return NULL; + } + + /** + * Empty the cache + */ + public function delete_all() + { + $this->auth(); + $result = TRUE; + + for ($i = 0, $max = xcache_count(XC_TYPE_VAR); $i < $max; $i++) + { + if (xcache_clear_cache(XC_TYPE_VAR, $i) !== NULL) + { + $result = FALSE; + break; + } + } + + // Undo the login + $this->auth(TRUE); + + return $result; } private function auth($reverse = FALSE) @@ -111,9 +154,8 @@ class Cache_Xcache_Driver implements Cache_Driver { $backup[$key] = $value; } - $_SERVER[$key] = Kohana::config('cache_xcache.'.$key); + $_SERVER[$key] = $this->config->{$key}; } } } - -} // End Cache Xcache Driver +} // End Cache XCache Driver |