From 249b2632f2c53ed148480e272b72b6794bdf7d14 Mon Sep 17 00:00:00 2001 From: Evan Prodromou Date: Sun, 3 Jan 2010 06:38:15 -1000 Subject: First version of cache plugin for XCache variable cache --- plugins/XCachePlugin.php | 112 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 plugins/XCachePlugin.php diff --git a/plugins/XCachePlugin.php b/plugins/XCachePlugin.php new file mode 100644 index 000000000..8011e659a --- /dev/null +++ b/plugins/XCachePlugin.php @@ -0,0 +1,112 @@ +. + * + * @category Cache + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://status.net/ + */ + +if (!defined('STATUSNET')) { + // This check helps protect against security problems; + // your code file can't be executed directly from the web. + exit(1); +} + +/** + * A plugin to use XCache's variable cache for the cache interface + * + * New plugin interface lets us use alternative cache systems + * for caching. This one uses XCache's variable cache. + * + * @category Cache + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://status.net/ + */ + +class XCachePlugin extends Plugin +{ + /** + * Get a value associated with a key + * + * The value should have been set previously. + * + * @param string &$key in; Lookup key + * @param mixed &$value out; value associated with key + * + * @return boolean hook success + */ + + function onStartCacheGet(&$key, &$value) + { + $value = xcache_get($key); + if (!is_null($value)) { + $value = unserialize($value); + } + Event::handle('EndCacheGet', array($key, &$value)); + return false; + } + + /** + * Associate a value with a key + * + * @param string &$key in; Key to use for lookups + * @param mixed &$value in; Value to associate + * @param integer &$flag in; Flag (passed through to Memcache) + * @param integer &$expiry in; Expiry (passed through to Memcache) + * @param boolean &$success out; Whether the set was successful + * + * @return boolean hook success + */ + + function onStartCacheSet(&$key, &$value, &$flag, &$expiry, &$success) + { + $success = xcache_set($key, serialize($value), + (is_null($expiry) ? 0 : $expiry)); + + Event::handle('EndCacheSet', array($key, $value, $flag, + $expiry)); + return false; + } + + /** + * Delete a value associated with a key + * + * @param string &$key in; Key to lookup + * @param boolean &$success out; whether it worked + * + * @return boolean hook success + */ + + function onStartCacheDelete(&$key, &$success) + { + $success = xcache_unset($key); + Event::handle('EndCacheDelete', array($key)); + return false; + } +} + -- cgit v1.2.3-54-g00ecf