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<?php
/**
* @version $Id:apc.php 6961 2007-03-15 16:06:53Z tcp $
* @package Joomla.Framework
* @subpackage Session
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* XCache session storage handler
*
* @package Joomla.Framework
* @subpackage Cache
* @since 1.5
*/
class JSessionStorageXcache extends JSessionStorage
{
/**
* Constructor
*
* @access protected
* @param array $options optional parameters
*/
function __construct( $options = array() )
{
if (!$this->test()) {
return JError::raiseError(404, "The xcache extension isn't available");
}
parent::__construct($options);
}
/**
* Open the SessionHandler backend.
*
* @access public
* @param string $save_path The path to the session object.
* @param string $session_name The name of the session.
* @return boolean True on success, false otherwise.
*/
function open($save_path, $session_name)
{
return true;
}
/**
* Close the SessionHandler backend.
*
* @access public
* @return boolean True on success, false otherwise.
*/
function close()
{
return true;
}
/**
* Read the data for a particular session identifier from the
* SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @return string The session data.
*/
function read($id)
{
$sess_id = 'sess_'.$id;
//check if id exists
if( !xcache_isset( $sess_id ) ){
return;
}
return (string)xcache_get($sess_id);
}
/**
* Write session data to the SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @param string $session_data The session data.
* @return boolean True on success, false otherwise.
*/
function write($id, $session_data)
{
$sess_id = 'sess_'.$id;
return xcache_set($sess_id, $session_data, ini_get("session.gc_maxlifetime") );
}
/**
* Destroy the data for a particular session identifier in the
* SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @return boolean True on success, false otherwise.
*/
function destroy($id)
{
$sess_id = 'sess_'.$id;
if( !xcache_isset( $sess_id ) ){
return true;
}
return xcache_unset($sess_id);
}
/**
* Garbage collect stale sessions from the SessionHandler backend.
*
* @access public
* @param integer $maxlifetime The maximum age of a session.
* @return boolean True on success, false otherwise.
*/
function gc($maxlifetime)
{
return true;
}
/**
* Test to see if the SessionHandler is available.
*
* @static
* @access public
* @return boolean True on success, false otherwise.
*/
function test() {
return (extension_loaded('xcache'));
}
}