203 lines
4.5 KiB
PHP
Executable File
203 lines
4.5 KiB
PHP
Executable File
<?php
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/*
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* 2007-2013 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2013 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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/**
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* This class require PECL Memcache extension
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*
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*/
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class CacheMemcacheCore extends Cache
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{
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/**
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* @var Memcache
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*/
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protected $memcache;
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/**
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* @var bool Connection status
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*/
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protected $is_connected = false;
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public function __construct()
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{
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$this->connect();
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// Get keys (this code comes from Doctrine 2 project)
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$this->keys = array();
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$servers = self::getMemcachedServers();
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if(is_array($servers) && count($servers) > 0 && method_exists('Memcache', 'getStats'))
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$all_slabs = $this->memcache->getStats('slabs');
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if(isset($all_slabs) && is_array($all_slabs))
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foreach ($all_slabs as $server => $slabs)
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{
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if (is_array($slabs))
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{
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foreach (array_keys($slabs) as $slab_id)
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{
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if(is_int($slab_id))
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{
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$dump = $this->memcache->getStats('cachedump', (int)$slab_id);
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if ($dump)
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{
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foreach ($dump as $entries)
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{
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if ($entries)
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$this->keys = array_merge($this->keys, array_keys($entries));
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}
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}
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}
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}
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}
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}
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}
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public function __destruct()
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{
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$this->close();
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}
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/**
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* Connect to memcache server
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*/
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public function connect()
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{
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if (class_exists('Memcache') && extension_loaded('memcache'))
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$this->memcache = new Memcache();
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else
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return false;
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$servers = self::getMemcachedServers();
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if (!$servers)
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return false;
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foreach ($servers as $server)
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$this->memcache->addServer($server['ip'], $server['port'], true, (int) $server['weight']);
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$this->is_connected = true;
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}
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/**
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* @see Cache::_set()
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*/
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protected function _set($key, $value, $ttl = 0)
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{
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if (!$this->is_connected)
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return false;
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return $this->memcache->set($key, $value, 0, $ttl);
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}
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/**
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* @see Cache::_get()
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*/
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protected function _get($key)
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{
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if (!$this->is_connected)
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return false;
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return $this->memcache->get($key);
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}
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/**
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* @see Cache::_exists()
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*/
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protected function _exists($key)
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{
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if (!$this->is_connected)
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return false;
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return isset($this->keys[$key]);
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}
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/**
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* @see Cache::_delete()
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*/
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protected function _delete($key)
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{
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if (!$this->is_connected)
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return false;
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return $this->memcache->delete($key);
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}
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/**
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* @see Cache::_writeKeys()
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*/
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protected function _writeKeys()
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{
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}
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/**
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* @see Cache::flush()
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*/
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public function flush()
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{
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if (!$this->is_connected)
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return false;
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return $this->memcache->flush();
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}
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/**
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* Close connection to memcache server
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*
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* @return bool
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*/
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protected function close()
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{
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if (!$this->is_connected)
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return false;
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return $this->memcache->close();
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}
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/**
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* Add a memcache server
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*
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* @param string $ip
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* @param int $port
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* @param int $weight
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*/
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public static function addServer($ip, $port, $weight)
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{
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return Db::getInstance()->execute('INSERT INTO '._DB_PREFIX_.'memcached_servers (ip, port, weight) VALUES(\''.pSQL($ip).'\', '.(int)$port.', '.(int)$weight.')', false);
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}
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/**
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* Get list of memcached servers
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*
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* @return array
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*/
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public static function getMemcachedServers()
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{
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return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT * FROM '._DB_PREFIX_.'memcached_servers', true, false);
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}
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/**
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* Delete a memcache server
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*
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* @param int $id_server
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*/
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public static function deleteServer($id_server)
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{
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return Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'memcached_servers WHERE id_memcached_server='.(int)$id_server);
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}
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}
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