--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Cache/Backend/Xcache.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,221 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Xcache.php 23345 2010-11-15 16:31:14Z mabe $
+ */
+
+
+/**
+ * @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) 2005-2010 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;
+ }
+
+}