diff options
author | Roger Herbert <rogerlherbert@gmail.com> | 2012-03-14 09:37:06 +0100 |
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committer | Roger Herbert <rogerlherbert@gmail.com> | 2012-03-14 09:37:06 +0100 |
commit | a5c8a6d0fb7802aaf284b7b3ef77966f43baae56 (patch) | |
tree | 12163c9d08070e73b025dd0a6fc602bccc606e90 /system/libraries/Cache | |
parent | b81f909f8aaa3bedc3820c0d4c9056b57113b46e (diff) | |
parent | ce707b4cafd64b95031690cf927584b1d60c7ad7 (diff) |
timespan() helper change
Diffstat (limited to 'system/libraries/Cache')
-rw-r--r-- | system/libraries/Cache/Cache.php | 21 | ||||
-rw-r--r-- | system/libraries/Cache/drivers/Cache_wincache.php | 165 |
2 files changed, 174 insertions, 12 deletions
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php index 60998e3b8..7642a5270 100644 --- a/system/libraries/Cache/Cache.php +++ b/system/libraries/Cache/Cache.php @@ -39,20 +39,17 @@ class CI_Cache extends CI_Driver_Library { protected $valid_drivers = array( - 'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy' - ); - - protected $_cache_path = NULL; // Path of cache files (if file-based cache) - protected $_adapter = 'dummy'; + 'cache_apc', + 'cache_file', + 'cache_memcached', + 'cache_dummy', + 'cache_wincache' + ); + + protected $_cache_path = NULL; // Path of cache files (if file-based cache) + protected $_adapter = 'dummy'; protected $_backup_driver; - // ------------------------------------------------------------------------ - - /** - * Constructor - * - * @param array - */ public function __construct($config = array()) { if ( ! empty($config)) diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php new file mode 100644 index 000000000..df619d4e6 --- /dev/null +++ b/system/libraries/Cache/drivers/Cache_wincache.php @@ -0,0 +1,165 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2006 - 2012 EllisLab, Inc. + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter Wincache Caching Class + * + * Read more about Wincache functions here: + * http://www.php.net/manual/en/ref.wincache.php + * + * @package CodeIgniter + * @subpackage Libraries + * @category Core + * @author Mike Murkovic + * @link + */ + +class CI_Cache_wincache extends CI_Driver { + + /** + * Get + * + * Look for a value in the cache. If it exists, return the data, + * if not, return FALSE + * + * @param string + * @return mixed value that is stored/FALSE on failure + */ + public function get($id) + { + $success = FALSE; + $data = wincache_ucache_get($id, $success); + + // Success returned by reference from wincache_ucache_get() + return ($success) ? $data : FALSE; + } + + // ------------------------------------------------------------------------ + + /** + * Cache Save + * + * @param string Unique Key + * @param mixed Data to store + * @param int Length of time (in seconds) to cache the data + * @return bool true on success/false on failure + */ + public function save($id, $data, $ttl = 60) + { + return wincache_ucache_set($id, $data, $ttl); + } + + // ------------------------------------------------------------------------ + + /** + * Delete from Cache + * + * @param mixed unique identifier of the item in the cache + * @param bool true on success/false on failure + */ + public function delete($id) + { + return wincache_ucache_delete($id); + } + + // ------------------------------------------------------------------------ + + /** + * Clean the cache + * + * @return bool false on failure/true on success + */ + public function clean() + { + return wincache_ucache_clear(); + } + + // ------------------------------------------------------------------------ + + /** + * Cache Info + * + * @return mixed array on success, false on failure + */ + public function cache_info() + { + return wincache_ucache_info(TRUE); + } + + // ------------------------------------------------------------------------ + + /** + * Get Cache Metadata + * + * @param mixed key to get cache metadata on + * @return mixed array on success/false on failure + */ + public function get_metadata($id) + { + if ($stored = wincache_ucache_info(FALSE, $id)) + { + $age = $stored['ucache_entries'][1]['age_seconds']; + $ttl = $stored['ucache_entries'][1]['ttl_seconds']; + $hitcount = $stored['ucache_entries'][1]['hitcount']; + + return array( + 'expire' => $ttl - $age, + 'hitcount' => $hitcount, + 'age' => $age, + 'ttl' => $ttl + ); + } + + return FALSE; + } + + // ------------------------------------------------------------------------ + + /** + * is_supported() + * + * Check to see if WinCache is available on this system, bail if it isn't. + * + * @return bool + */ + public function is_supported() + { + if ( ! extension_loaded('wincache')) + { + log_message('error', 'The Wincache PHP extension must be loaded to use Wincache Cache.'); + return FALSE; + } + + return TRUE; + } + +} + +/* End of file Cache_wincache.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_wincache.php */ |