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9329b16ab1
They are now refered to as cache drivers rather than ACM classes. The additional utility functions from the original cache class have been moved to the cache_service. The class loader is now instantiated without a cache instance and passed one as soon as it is constructed to allow autoloading the cache classes. PHPBB3-9983
131 lines
2.3 KiB
PHP
131 lines
2.3 KiB
PHP
<?php
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/**
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*
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* @package acm
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* @version $Id$
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* @copyright (c) 2005, 2009 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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if (!defined('PHPBB_ACM_MEMCACHE_PORT'))
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{
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define('PHPBB_ACM_MEMCACHE_PORT', 11211);
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}
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if (!defined('PHPBB_ACM_MEMCACHE_COMPRESS'))
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{
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define('PHPBB_ACM_MEMCACHE_COMPRESS', false);
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}
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if (!defined('PHPBB_ACM_MEMCACHE_HOST'))
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{
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define('PHPBB_ACM_MEMCACHE_HOST', 'localhost');
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}
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if (!defined('PHPBB_ACM_MEMCACHE'))
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{
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//can define multiple servers with host1/port1,host2/port2 format
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define('PHPBB_ACM_MEMCACHE', PHPBB_ACM_MEMCACHE_HOST . '/' . PHPBB_ACM_MEMCACHE_PORT);
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}
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/**
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* ACM for Memcached
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* @package acm
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*/
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class phpbb_cache_driver_memcache extends phpbb_cache_driver_memory
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{
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var $extension = 'memcache';
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var $memcache;
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var $flags = 0;
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function __construct()
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{
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// Call the parent constructor
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parent::__construct();
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$this->memcache = new Memcache;
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foreach(explode(',', PHPBB_ACM_MEMCACHE) as $u)
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{
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$parts = explode('/', $u);
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$this->memcache->addServer(trim($parts[0]), trim($parts[1]));
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}
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$this->flags = (PHPBB_ACM_MEMCACHE_COMPRESS) ? MEMCACHE_COMPRESSED : 0;
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}
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/**
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* Unload the cache resources
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*
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* @return void
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*/
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function unload()
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{
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parent::unload();
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$this->memcache->close();
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}
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/**
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* Purge cache data
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*
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* @return void
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*/
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function purge()
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{
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$this->memcache->flush();
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parent::purge();
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}
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/**
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* Fetch an item from the cache
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*
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* @access protected
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* @param string $var Cache key
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* @return mixed Cached data
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*/
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function _read($var)
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{
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return $this->memcache->get($this->key_prefix . $var);
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}
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/**
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* Store data in the cache
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*
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* @access protected
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* @param string $var Cache key
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* @param mixed $data Data to store
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* @param int $ttl Time-to-live of cached data
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* @return bool True if the operation succeeded
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*/
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function _write($var, $data, $ttl = 2592000)
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{
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if (!$this->memcache->replace($this->key_prefix . $var, $data, $this->flags, $ttl))
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{
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return $this->memcache->set($this->key_prefix . $var, $data, $this->flags, $ttl);
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}
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return true;
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}
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/**
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* Remove an item from the cache
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*
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* @access protected
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* @param string $var Cache key
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* @return bool True if the operation succeeded
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*/
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function _delete($var)
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{
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return $this->memcache->delete($this->key_prefix . $var);
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}
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}
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