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Name	Size	Permission	Date
Cache.php	7.2 KB	-rwxr-x---	2018-05-03 14:19
CacheApc.php	1.99 KB	-rwxr-x---	2018-05-03 14:19
CacheFs.php	3.66 KB	-rwxr-x---	2018-05-03 14:19
CacheMemcache.php	4.65 KB	-rwxr-x---	2018-05-03 14:19
CacheXcache.php	1.87 KB	-rwxr-x---	2018-05-03 14:19
index.php	1.24 KB	-rwxr-x---	2018-05-03 14:19

Rename

<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
 * This class require PECL Memcache extension
 *
 */
class CacheMemcacheCore extends Cache
{
	/**
	 * @var Memcache
	 */
	protected $memcache;

/**
	 * @var bool Connection status
	 */
	protected $is_connected = false;

public function __construct()
	{
		$this->connect();
		if($this->is_connected)
		{
			$this->keys = @$this->memcache->get(_COOKIE_IV_);
			if (!is_array($this->keys))
				$this->keys = array();
		}

/*
		// Get keys (this code comes from Doctrine 2 project)
		if(is_array($servers) && count($servers) > 0 && method_exists('Memcache', 'getStats'))
        	$all_slabs = $this->memcache->getStats('slabs');
	    	        	
		if(isset($all_slabs) && is_array($all_slabs))
			foreach ($all_slabs as $server => $slabs)
			{
			    if (is_array($slabs))
			    {
					foreach (array_keys($slabs) as $i => $slab_id) // $slab_id is not an int but a string, using the key instead ?
					{
						if(is_int($i))
						{		
					        $dump = $this->memcache->getStats('cachedump', (int)$i);
					        if ($dump)
					        {
					           foreach ($dump as $entries)
					           {
									if($entries)
										foreach ($entries as $key => $data)
											$this->keys[$key] = $data[1];
					           }
					        }
					    }
					}
			    }
			}*/
	}

public function __destruct()
	{
		$this->close();
	}

/**
	 * Connect to memcache server
	 */
	public function connect()
	{
		if (class_exists('Memcache') && extension_loaded('memcache'))
			$this->memcache = new Memcache();
		else
			return;
		
		$servers = self::getMemcachedServers();
		if (!$servers)
			return;
		foreach ($servers as $server)
			$this->memcache->addServer($server['ip'], $server['port'], true, (int) $server['weight']);

$this->is_connected = true;
	}

/**
	 * @see Cache::_set()
	 */
	protected function _set($key, $value, $ttl = 0)
	{
		if (!$this->is_connected)
			return false;
		return $this->memcache->set($key, $value, 0, $ttl);
	}

/**
	 * @see Cache::_get()
	 */
	protected function _get($key)
	{
		if (!$this->is_connected)
			return false;
		return $this->memcache->get($key);
	}

/**
	 * @see Cache::_exists()
	 */
	protected function _exists($key)
	{
		if (!$this->is_connected)
			return false;
		return isset($this->keys[$key]);
	}

/**
	 * @see Cache::_delete()
	 */
	protected function _delete($key)
	{
		if (!$this->is_connected)
			return false;
		return $this->memcache->delete($key);
	}

/**
	 * @see Cache::_writeKeys()
	 */
	protected function _writeKeys()
	{
		if (!$this->is_connected)
			return false;
		$this->memcache->set(_COOKIE_IV_, $this->keys);
	}

/**
	 * @see Cache::flush()
	 */
	public function flush()
	{
		if (!$this->is_connected)
			return false;
		return $this->memcache->flush();
	}

/**
	 * Close connection to memcache server
	 *
	 * @return bool
	 */
	protected function close()
	{
		if (!$this->is_connected)
			return false;
		return $this->memcache->close();
	}

/**
	 * Add a memcache server
	 *
	 * @param string $ip
	 * @param int $port
	 * @param int $weight
	 */
	public static function addServer($ip, $port, $weight)
	{
		return Db::getInstance()->execute('INSERT INTO '._DB_PREFIX_.'memcached_servers (ip, port, weight) VALUES(\''.pSQL($ip).'\', '.(int)$port.', '.(int)$weight.')', false);
	}

/**
	 * Get list of memcached servers
	 *
	 * @return array
	 */
	public static function getMemcachedServers()
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT * FROM '._DB_PREFIX_.'memcached_servers', true, false);
	}

/**
	 * Delete a memcache server
	 *
	 * @param int $id_server
	 */
	public static function deleteServer($id_server)
	{
		return Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'memcached_servers WHERE id_memcached_server='.(int)$id_server);
	}
}