221 Zeilen
7,1 KiB
PHP
221 Zeilen
7,1 KiB
PHP
<?php
|
|
/**
|
|
* Zend Framework
|
|
*
|
|
* LICENSE
|
|
*
|
|
* This source file is subject to the new BSD license that is bundled
|
|
* with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://framework.zend.com/license/new-bsd
|
|
* 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@zend.com so we can send you a copy immediately.
|
|
*
|
|
* @category Zend
|
|
* @package Zend_Cache
|
|
* @subpackage Zend_Cache_Backend
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id$
|
|
*/
|
|
|
|
|
|
/**
|
|
* @see Zend_Cache_Backend_Interface
|
|
*/
|
|
require_once 'Zend/Cache/Backend/Interface.php';
|
|
|
|
/**
|
|
* @see Zend_Cache_Backend
|
|
*/
|
|
require_once 'Zend/Cache/Backend.php';
|
|
|
|
|
|
/**
|
|
* @package Zend_Cache
|
|
* @subpackage Zend_Cache_Backend
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Cache_Backend_Xcache extends Zend_Cache_Backend implements Zend_Cache_Backend_Interface
|
|
{
|
|
|
|
/**
|
|
* Log message
|
|
*/
|
|
const TAGS_UNSUPPORTED_BY_CLEAN_OF_XCACHE_BACKEND = 'Zend_Cache_Backend_Xcache::clean() : tags are unsupported by the Xcache backend';
|
|
const TAGS_UNSUPPORTED_BY_SAVE_OF_XCACHE_BACKEND = 'Zend_Cache_Backend_Xcache::save() : tags are unsupported by the Xcache backend';
|
|
|
|
/**
|
|
* Available options
|
|
*
|
|
* =====> (string) user :
|
|
* xcache.admin.user (necessary for the clean() method)
|
|
*
|
|
* =====> (string) password :
|
|
* xcache.admin.pass (clear, not MD5) (necessary for the clean() method)
|
|
*
|
|
* @var array available options
|
|
*/
|
|
protected $_options = array(
|
|
'user' => null,
|
|
'password' => null
|
|
);
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param array $options associative array of options
|
|
* @throws Zend_Cache_Exception
|
|
* @return void
|
|
*/
|
|
public function __construct(array $options = array())
|
|
{
|
|
if (!extension_loaded('xcache')) {
|
|
Zend_Cache::throwException('The xcache extension must be loaded for using this backend !');
|
|
}
|
|
parent::__construct($options);
|
|
}
|
|
|
|
/**
|
|
* Test if a cache is available for the given id and (if yes) return it (false else)
|
|
*
|
|
* WARNING $doNotTestCacheValidity=true is unsupported by the Xcache backend
|
|
*
|
|
* @param string $id cache id
|
|
* @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested
|
|
* @return string cached datas (or false)
|
|
*/
|
|
public function load($id, $doNotTestCacheValidity = false)
|
|
{
|
|
if ($doNotTestCacheValidity) {
|
|
$this->_log("Zend_Cache_Backend_Xcache::load() : \$doNotTestCacheValidity=true is unsupported by the Xcache backend");
|
|
}
|
|
$tmp = xcache_get($id);
|
|
if (is_array($tmp)) {
|
|
return $tmp[0];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Test if a cache is available or not (for the given id)
|
|
*
|
|
* @param string $id cache id
|
|
* @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record
|
|
*/
|
|
public function test($id)
|
|
{
|
|
if (xcache_isset($id)) {
|
|
$tmp = xcache_get($id);
|
|
if (is_array($tmp)) {
|
|
return $tmp[1];
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Save some string datas into a cache record
|
|
*
|
|
* Note : $data is always "string" (serialization is done by the
|
|
* core not by the backend)
|
|
*
|
|
* @param string $data datas to cache
|
|
* @param string $id cache id
|
|
* @param array $tags array of strings, the cache record will be tagged by each string entry
|
|
* @param int $specificLifetime if != false, set a specific lifetime for this cache record (null => infinite lifetime)
|
|
* @return boolean true if no problem
|
|
*/
|
|
public function save($data, $id, $tags = array(), $specificLifetime = false)
|
|
{
|
|
$lifetime = $this->getLifetime($specificLifetime);
|
|
$result = xcache_set($id, array($data, time()), $lifetime);
|
|
if (count($tags) > 0) {
|
|
$this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_XCACHE_BACKEND);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Remove a cache record
|
|
*
|
|
* @param string $id cache id
|
|
* @return boolean true if no problem
|
|
*/
|
|
public function remove($id)
|
|
{
|
|
return xcache_unset($id);
|
|
}
|
|
|
|
/**
|
|
* Clean some cache records
|
|
*
|
|
* Available modes are :
|
|
* 'all' (default) => remove all cache entries ($tags is not used)
|
|
* 'old' => unsupported
|
|
* 'matchingTag' => unsupported
|
|
* 'notMatchingTag' => unsupported
|
|
* 'matchingAnyTag' => unsupported
|
|
*
|
|
* @param string $mode clean mode
|
|
* @param array $tags array of tags
|
|
* @throws Zend_Cache_Exception
|
|
* @return boolean true if no problem
|
|
*/
|
|
public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
|
|
{
|
|
switch ($mode) {
|
|
case Zend_Cache::CLEANING_MODE_ALL:
|
|
// Necessary because xcache_clear_cache() need basic authentification
|
|
$backup = array();
|
|
if (isset($_SERVER['PHP_AUTH_USER'])) {
|
|
$backup['PHP_AUTH_USER'] = $_SERVER['PHP_AUTH_USER'];
|
|
}
|
|
if (isset($_SERVER['PHP_AUTH_PW'])) {
|
|
$backup['PHP_AUTH_PW'] = $_SERVER['PHP_AUTH_PW'];
|
|
}
|
|
if ($this->_options['user']) {
|
|
$_SERVER['PHP_AUTH_USER'] = $this->_options['user'];
|
|
}
|
|
if ($this->_options['password']) {
|
|
$_SERVER['PHP_AUTH_PW'] = $this->_options['password'];
|
|
}
|
|
|
|
$cnt = xcache_count(XC_TYPE_VAR);
|
|
for ($i=0; $i < $cnt; $i++) {
|
|
xcache_clear_cache(XC_TYPE_VAR, $i);
|
|
}
|
|
|
|
if (isset($backup['PHP_AUTH_USER'])) {
|
|
$_SERVER['PHP_AUTH_USER'] = $backup['PHP_AUTH_USER'];
|
|
$_SERVER['PHP_AUTH_PW'] = $backup['PHP_AUTH_PW'];
|
|
}
|
|
return true;
|
|
break;
|
|
case Zend_Cache::CLEANING_MODE_OLD:
|
|
$this->_log("Zend_Cache_Backend_Xcache::clean() : CLEANING_MODE_OLD is unsupported by the Xcache backend");
|
|
break;
|
|
case Zend_Cache::CLEANING_MODE_MATCHING_TAG:
|
|
case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG:
|
|
case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG:
|
|
$this->_log(self::TAGS_UNSUPPORTED_BY_CLEAN_OF_XCACHE_BACKEND);
|
|
break;
|
|
default:
|
|
Zend_Cache::throwException('Invalid mode for clean() method');
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return true if the automatic cleaning is available for the backend
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function isAutomaticCleaningAvailable()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
}
|