diff --git a/plugins/CacheLogPlugin.php b/plugins/CacheLogPlugin.php new file mode 100644 index 0000000000..9eb04641e6 --- /dev/null +++ b/plugins/CacheLogPlugin.php @@ -0,0 +1,96 @@ +. + * + * @category Cache + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 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); +} + +/** + * Log cache access + * + * Note that since most caching plugins return false for StartCache* + * methods, you should add this plugin before them, i.e. + * + * addPlugin('CacheLog'); + * addPlugin('XCache'); + * + * @category Cache + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 + * @link http://status.net/ + */ + +class CacheLogPlugin extends Plugin +{ + function onStartCacheGet(&$key, &$value) + { + $this->log(LOG_INFO, "Fetching key '$key'"); + return true; + } + + function onEndCacheGet($key, &$value) + { + if (is_null($value)) { + $this->log(LOG_INFO, "Cache MISS for key '$key'"); + } else { + $this->log(LOG_INFO, "Cache HIT for key '$key'"); + } + return true; + } + + function onStartCacheSet(&$key, &$value, &$flag, &$expiry, &$success) + { + $this->log(LOG_INFO, "Setting cache value for key '$key'"); + return true; + } + + function onEndCacheSet($key, $value, $flag, $expiry) + { + $this->log(LOG_INFO, "Done setting cache value for key '$key'"); + return true; + } + + function onStartCacheDelete(&$key, &$success) + { + $this->log(LOG_INFO, "Deleting cache value for key '$key'"); + return true; + } + + function onEndCacheDelete($key) + { + $this->log(LOG_INFO, "Done deleting cache value for key '$key'"); + return true; + } +} +