summaryrefslogtreecommitdiffstats
path: root/system/libraries
diff options
context:
space:
mode:
Diffstat (limited to 'system/libraries')
-rw-r--r--system/libraries/Cache/Cache.php2
-rw-r--r--system/libraries/Cache/drivers/Cache_wincache.php167
2 files changed, 168 insertions, 1 deletions
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 60998e3b8..b89e5ab6f 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -39,7 +39,7 @@
class CI_Cache extends CI_Driver_Library {
protected $valid_drivers = array(
- 'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy'
+ 'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy', 'cache_wincache'
);
protected $_cache_path = NULL; // Path of cache files (if file-based cache)
diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php
new file mode 100644
index 000000000..8164b5a7b
--- /dev/null
+++ b/system/libraries/Cache/drivers/Cache_wincache.php
@@ -0,0 +1,167 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 2.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Wincache Caching Class
+ *
+ * Read more about Wincache functions here:
+ * http://www.php.net/manual/en/ref.wincache.php
+ *
+ * @package CodeIgniter
+ * @subpackage Libraries
+ * @category Core
+ * @author Mike Murkovic
+ * @link
+ */
+
+class CI_Cache_wincache extends CI_Driver {
+
+ /**
+ * Get
+ *
+ * Look for a value in the cache. If it exists, return the data
+ * if not, return FALSE
+ *
+ * @param string
+ * @return mixed value that is stored/FALSE on failure
+ */
+ public function get($id)
+ {
+ $success = FALSE;
+ $data = wincache_ucache_get($id, $success);
+
+ //Success returned by reference from wincache_ucache_get
+ return ($success) ? $data : FALSE;
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Cache Save
+ *
+ * @param string Unique Key
+ * @param mixed Data to store
+ * @param int Length of time (in seconds) to cache the data
+ *
+ * @return boolean true on success/false on failure
+ */
+ public function save($id, $data, $ttl = 60)
+ {
+ return wincache_ucache_set($id, $data, $ttl);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Delete from Cache
+ *
+ * @param mixed unique identifier of the item in the cache
+ * @param boolean true on success/false on failure
+ */
+ public function delete($id)
+ {
+ return wincache_ucache_delete($id);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Clean the cache
+ *
+ * @return boolean false on failure/true on success
+ */
+ public function clean()
+ {
+ return wincache_ucache_clear();
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Cache Info
+ *
+ * @return mixed array on success, false on failure
+ */
+ public function cache_info()
+ {
+ return wincache_ucache_info(true);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get Cache Metadata
+ *
+ * @param mixed key to get cache metadata on
+ * @return mixed array on success/false on failure
+ */
+ public function get_metadata($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.
+ */
+ 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 Class
+
+/* End of file Cache_wincache.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_wincache.php */