diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_memcached.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_memcached.php | 103 |
1 files changed, 72 insertions, 31 deletions
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php index fc586e025..78cab25d4 100644 --- a/system/libraries/Cache/drivers/Cache_memcached.php +++ b/system/libraries/Cache/drivers/Cache_memcached.php @@ -1,28 +1,40 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * - * An open source application development framework for PHP 4.3.2 or newer + * 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 ExpressionEngine Dev Team + * @author EllisLab Dev Team * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0 - * @filesource + * @filesource */ // ------------------------------------------------------------------------ /** - * CodeIgniter Memcached Caching Class + * CodeIgniter Memcached Caching Class * * @package CodeIgniter * @subpackage Libraries * @category Core - * @author ExpressionEngine Dev Team - * @link + * @author EllisLab Dev Team + * @link */ class CI_Cache_memcached extends CI_Driver { @@ -37,18 +49,18 @@ class CI_Cache_memcached extends CI_Driver { ) ); - // ------------------------------------------------------------------------ + // ------------------------------------------------------------------------ /** * Fetch from cache * * @param mixed unique key id * @return mixed data on success/false on failure - */ + */ public function get($id) - { + { $data = $this->_memcached->get($id); - + return (is_array($data)) ? $data[0] : FALSE; } @@ -77,7 +89,7 @@ class CI_Cache_memcached extends CI_Driver { } // ------------------------------------------------------------------------ - + /** * Delete from Cache * @@ -90,7 +102,7 @@ class CI_Cache_memcached extends CI_Driver { } // ------------------------------------------------------------------------ - + /** * Clean the Cache * @@ -115,7 +127,7 @@ class CI_Cache_memcached extends CI_Driver { } // ------------------------------------------------------------------------ - + /** * Get Cache Metadata * @@ -149,6 +161,7 @@ class CI_Cache_memcached extends CI_Driver { { // Try to load memcached server info from the config file. $CI =& get_instance(); + if ($CI->config->load('memcached', TRUE, TRUE)) { if (is_array($CI->config->config['memcached'])) @@ -158,11 +171,24 @@ class CI_Cache_memcached extends CI_Driver { foreach ($CI->config->config['memcached'] as $name => $conf) { $this->_memcache_conf[$name] = $conf; - } - } + } + } + } + + if (class_exists('Memcached')) + { + $this->_memcached = new Memcached(); + } + else if (class_exists('Memcache')) + { + $this->_memcached = new Memcache(); + } + else + { + log_message('error', 'Failed to create object for Memcached Cache; extension not loaded?'); + + return FALSE; } - - $this->_memcached = new Memcached(); foreach ($this->_memcache_conf as $name => $cache_server) { @@ -170,26 +196,42 @@ class CI_Cache_memcached extends CI_Driver { { $cache_server['hostname'] = $this->_default_options['default_host']; } - + if ( ! array_key_exists('port', $cache_server)) { $cache_server['port'] = $this->_default_options['default_port']; } - + if ( ! array_key_exists('weight', $cache_server)) { $cache_server['weight'] = $this->_default_options['default_weight']; } - - $this->_memcached->addServer( - $cache_server['hostname'], $cache_server['port'], $cache_server['weight'] - ); + + if (get_class($this->_memcached) == 'Memcache') + { + // Third parameter is persistance and defaults to TRUE. + $this->_memcached->addServer( + $cache_server['hostname'], + $cache_server['port'], + TRUE, + $cache_server['weight'] + ); + } + else + { + $this->_memcached->addServer( + $cache_server['hostname'], + $cache_server['port'], + $cache_server['weight'] + ); + } } + + return TRUE; } // ------------------------------------------------------------------------ - /** * Is supported * @@ -198,15 +240,14 @@ class CI_Cache_memcached extends CI_Driver { */ public function is_supported() { - if ( ! extension_loaded('memcached')) + if ( ! extension_loaded('memcached') && ! extension_loaded('memcache')) { log_message('error', 'The Memcached Extension must be loaded to use Memcached Cache.'); - + return FALSE; } - - $this->_setup_memcached(); - return TRUE; + + return $this->_setup_memcached(); } // ------------------------------------------------------------------------ |