phpBB

<?php

/**

*

* @package acm

* @version $Id$

* @copyright (c) 2005, 2009 phpBB Group

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

*

*/

/**

* @ignore

*/

if (!defined('IN_PHPBB'))

{

        exit;

}

// Include the abstract base

if (!class_exists('acm_memory'))

{

        require("{$phpbb_root_path}includes/acm/acm_memory.$phpEx");

}

if (!defined('PHPBB_ACM_MEMCACHE_PORT'))

{

        define('PHPBB_ACM_MEMCACHE_PORT', 11211);

}

if (!defined('PHPBB_ACM_MEMCACHE_COMPRESS'))

{

        define('PHPBB_ACM_MEMCACHE_COMPRESS', false);

}

if (!defined('PHPBB_ACM_MEMCACHE_HOST'))

{

        define('PHPBB_ACM_MEMCACHE_HOST', 'localhost');

}

/**

* ACM for Memcached

* @package acm

*/

class acm extends acm_memory

{

        var $extension = 'memcache';

        var $memcache;

        var $flags = 0;

        function acm()

        {

                // Call the parent constructor

                parent::acm_memory();

                $this->memcache = new Memcache;

                $this->memcache->connect(PHPBB_ACM_MEMCACHE_HOST, PHPBB_ACM_MEMCACHE_PORT);

                $this->flags = (PHPBB_ACM_MEMCACHE_COMPRESS) ? MEMCACHE_COMPRESSED : 0;

        }

        /**

        * Unload the cache resources

        *

        * @return void

        */

        function unload()

        {

                parent::unload();

                $this->memcache->close();

        }

        /**

        * Purge cache data

        *

        * @return void

        */

        function purge()

        {

                $this->memcache->flush();

                parent::purge();

        }

        /**

        * Fetch an item from the cache

        *

        * @access protected

        * @param string $var Cache key

        * @return mixed Cached data

        */

        function _read($var)

        {

                return $this->memcache->get($this->key_prefix . $var);

        }

        /**

        * Store data in the cache

        *

        * @access protected

        * @param string $var Cache key

        * @param mixed $data Data to store

        * @param int $ttl Time-to-live of cached data

        * @return bool True if the operation succeeded

        */

        function _write($var, $data, $ttl = 2592000)

        {

                return $this->memcache->set($this->key_prefix . $var, $data, $this->flags, $ttl);

        }

        /**

        * Remove an item from the cache

        *

        * @access protected

        * @param string $var Cache key

        * @return bool True if the operation succeeded

        */

        function _delete($var)

        {

                return $this->memcache->delete($this->key_prefix . $var);

        }

}

?>