195 lines
4.3 KiB
PHP
195 lines
4.3 KiB
PHP
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Cache
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* WINCACHE cache storage handler
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*
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* @package Joomla.Platform
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* @subpackage Cache
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* @see http://php.net/manual/en/book.wincache.php
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* @since 11.1
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*/
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class JCacheStorageWincache extends JCacheStorage
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{
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/**
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* Constructor
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*
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* @param array $options Optional parameters.
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*
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* @since 11.1
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*/
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public function __construct($options = array())
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{
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parent::__construct($options);
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}
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/**
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* Get cached data from WINCACHE by id and group
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*
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* @param string $id The cache data id
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* @param string $group The cache data group
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* @param boolean $checkTime True to verify cache time expiration threshold
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*
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* @return mixed Boolean false on failure or a cached data string
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*
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* @since 11.1
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*/
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public function get($id, $group, $checkTime = true)
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{
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$cache_id = $this->_getCacheId($id, $group);
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$cache_content = wincache_ucache_get($cache_id);
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return $cache_content;
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}
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/**
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* Get all cached data
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*
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* @return array data
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*
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* @since 11.1
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*/
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public function getAll()
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{
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parent::getAll();
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$allinfo = wincache_ucache_info();
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$keys = $allinfo['cache_entries'];
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$secret = $this->_hash;
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$data = array();
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foreach ($keys as $key)
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{
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$name = $key['key_name'];
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$namearr = explode('-', $name);
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if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache')
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{
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$group = $namearr[2];
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if (!isset($data[$group]))
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{
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$item = new JCacheStorageHelper($group);
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}
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else
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{
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$item = $data[$group];
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}
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if (isset($key['value_size']))
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{
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$item->updateSize($key['value_size'] / 1024);
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}
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else
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{
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// Dummy, WINCACHE version is too low.
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$item->updateSize(1);
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}
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$data[$group] = $item;
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}
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}
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return $data;
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}
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/**
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* Store the data to WINCACHE by id and group
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*
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* @param string $id The cache data id
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* @param string $group The cache data group
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* @param string $data The data to store in cache
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*
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* @return boolean True on success, false otherwise
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*
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* @since 11.1
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*/
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public function store($id, $group, $data)
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{
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$cache_id = $this->_getCacheId($id, $group);
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return wincache_ucache_set($cache_id, $data, $this->_lifetime);
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}
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/**
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* Remove a cached data entry by id and group
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*
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* @param string $id The cache data id
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* @param string $group The cache data group
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*
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* @return boolean True on success, false otherwise
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*
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* @since 11.1
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*/
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public function remove($id, $group)
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{
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$cache_id = $this->_getCacheId($id, $group);
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return wincache_ucache_delete($cache_id);
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}
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/**
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* Clean cache for a group given a mode.
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*
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* @param string $group The cache data group
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* @param string $mode The mode for cleaning cache [group|notgroup]
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* group mode : cleans all cache in the group
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* notgroup mode : cleans all cache not in the group
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*
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* @return boolean True on success, false otherwise
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*
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* @since 11.1
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*/
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public function clean($group, $mode = null)
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{
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$allinfo = wincache_ucache_info();
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$keys = $allinfo['cache_entries'];
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$secret = $this->_hash;
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foreach ($keys as $key)
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{
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if (strpos($key['key_name'], $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group')
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{
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wincache_ucache_delete($key['key_name']);
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}
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}
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return true;
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}
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/**
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* Force garbage collect expired cache data as items are removed only on get/add/delete/info etc
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*
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* @return boolean True on success, false otherwise.
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*
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* @since 11.1
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*/
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public function gc()
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{
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$allinfo = wincache_ucache_info();
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$keys = $allinfo['cache_entries'];
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$secret = $this->_hash;
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foreach ($keys as $key)
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{
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if (strpos($key['key_name'], $secret . '-cache-'))
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{
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wincache_ucache_get($key['key_name']);
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}
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}
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}
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/**
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* Test to see if the cache storage is available.
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*
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* @return boolean True on success, false otherwise.
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*
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* @since 12.1
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*/
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public static function isSupported()
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{
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$test = extension_loaded('wincache') && function_exists('wincache_ucache_get') && !strcmp(ini_get('wincache.ucenabled'), '1');
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return $test;
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}
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}
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