diff options
Diffstat (limited to 'application/libraries')
-rw-r--r-- | application/libraries/MemcacheLibrary.php | 187 | ||||
-rwxr-xr-x[-rw-r--r--] | application/libraries/index.html | 0 |
2 files changed, 187 insertions, 0 deletions
diff --git a/application/libraries/MemcacheLibrary.php b/application/libraries/MemcacheLibrary.php new file mode 100644 index 000000000..dc993b7a5 --- /dev/null +++ b/application/libraries/MemcacheLibrary.php @@ -0,0 +1,187 @@ +<?php + +/** +* codeigniter-memcache v0.1 +* +* codeigniter-memcache is a codeigniter library to work with memcached easily. +* +* +* @file MemcacheLibrary.php +* @copyright 2010 egnity - egnity.com +* @author Emre Yilmaz <mail@emreyilmaz.me> +* @license GNU General Public License +* @version 0.1 +*/ + + +class MemcacheLibrary { + + /** + * variable that holds memcached backend instance + * + * @var object + * @access public + */ + public $memcachedInstance; + + /** + * variable that holds servers for the memcache + * + * @var array + * @access public + */ + public $servers = array(); + + + /** + * main CodeIgniter instance + * + * @var object + * @access public + */ + public $CI; + + /** + * constructor function for the library + */ + public function __construct() { + + /* initialize memcached instance */ + if(class_exists("Memcache")) { + $this->memcachedInstance = new Memcache(); + } else { + throw new Exception( + "Memcached client doesn't exists in your PHP configuration" + ); + } + + /* load super CI instance */ + $this->CI =& get_instance(); + + /* load default server info */ + $this->CI->config->load("memcache"); + + /* connect to default server */ + if($this->CI->config->item("MEMCACHE_HOST") && $this->CI->config->item("MEMCACHE_PORT") !== false) { + $this->addServer($this->CI->config->item("MEMCACHE_HOST"), $this->CI->config->item("MEMCACHE_PORT")); + } + + } + + /** + * adder function for the memcache servers + * + * @access public + * @return void + */ + public function addServer($server, $port) { + $this->servers[] = array( + "server" => $server, + "port" => $port, + ); + + $this->memcachedInstance->addServer($server, $port); + } + + /** + * gets related key from the memcache + * + * @access public + */ + public function get($key) { + $this->logDebugMessage(sprintf("%s key requested from memcache", $key)); + + // hide notice if server is unreachable + $old_error_level = error_reporting(); + error_reporting($old_error_level & ~E_NOTICE); + + $ret = $this->memcachedInstance->get($key); + + error_reporting($old_error_level); + return $ret; + } + + /** + * sets related key to the memcache + * + * @access public + */ + public function set($key, $value, $expire = null) { + $this->logDebugMessage( + sprintf("%s key set to memcache. (expire: %s)",$key, $expire) + ); + return $this->memcachedInstance->set($key, $value, null, $expire); + } + + /** + * deletes related key from the memcache + * + * @access public + */ + public function delete($key) { + $this->logDebugMessage(sprintf("%s key deleted from memcache.", $key)); + return $this->memcachedInstance->delete($key); + } + + /** + * increments related key from the memcache + * + * @access public + */ + public function increment($key, $offset = 1) { + $this->logDebugMessage(sprintf("%s key incremented %s times", $key, $offset)); + return $this->memcachedInstance->increment($key, $offset); + } + + /** + * decrements related key from the memcache + * + * @access public + */ + public function decrement($key, $offset = 1) { + $this->logDebugMessage(sprintf("%s key decremented %s times", $key, $offset)); + return $this->memcachedInstance->decrement($key, $offset); + } + + /** + * gets running memcached servers. + * + * @access public + * @return array + */ + public function getRunningServers() { + return $this->servers; + } + + /** + * array of server statistics, one entry per server. + * + * @access public + * @return array + */ + public function getStatistics() { + return $this->memcachedInstance->getStats(); + } + + /** + * Invalidates all items from the memcache. + * + * @access public + * @return boolean + */ + public function flush($delay = 0) { + $this->logDebugMessage(sprintf("memcache flushed! (delay: %s)", $delay)); + return $this->memcachedInstance->flush($delay); + } + + /** + * logs the memcache actions to the codeigniter's main logging system. + * + * @access private + */ + private function logDebugMessage($message) { + log_message("debug", $message); + } +} + +# vim: set noet: diff --git a/application/libraries/index.html b/application/libraries/index.html index c942a79ce..c942a79ce 100644..100755 --- a/application/libraries/index.html +++ b/application/libraries/index.html |