diff options
Diffstat (limited to 'system/libraries/Cache/drivers')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_apc.php | 45 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_dummy.php | 24 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 75 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_memcached.php | 107 |
4 files changed, 162 insertions, 89 deletions
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php index 79d91b320..a3dd46978 100644 --- a/system/libraries/Cache/drivers/Cache_apc.php +++ b/system/libraries/Cache/drivers/Cache_apc.php @@ -4,36 +4,48 @@ * * 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 - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @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 + * @filesource */ // ------------------------------------------------------------------------ /** - * CodeIgniter APC Caching Class + * CodeIgniter APC Caching Class * * @package CodeIgniter * @subpackage Libraries * @category Core - * @author ExpressionEngine Dev Team - * @link + * @author EllisLab Dev Team + * @link */ class CI_Cache_apc extends CI_Driver { /** - * Get + * Get * - * Look for a value in the cache. If it exists, return the data + * Look for a value in the cache. If it exists, return the data * if not, return FALSE * - * @param string + * @param string * @return mixed value that is stored/FALSE on failure */ public function get($id) @@ -43,8 +55,8 @@ class CI_Cache_apc extends CI_Driver { return (is_array($data)) ? $data[0] : FALSE; } - // ------------------------------------------------------------------------ - + // ------------------------------------------------------------------------ + /** * Cache Save * @@ -56,9 +68,10 @@ class CI_Cache_apc extends CI_Driver { */ public function save($id, $data, $ttl = 60) { + $ttl = (int) $ttl; return apc_store($id, array($data, time(), $ttl), $ttl); } - + // ------------------------------------------------------------------------ /** @@ -90,7 +103,7 @@ class CI_Cache_apc extends CI_Driver { * Cache Info * * @param string user/filehits - * @return mixed array on success, false on failure + * @return mixed array on success, false on failure */ public function cache_info($type = NULL) { @@ -137,13 +150,13 @@ class CI_Cache_apc extends CI_Driver { log_message('error', 'The APC PHP extension must be loaded to use APC Cache.'); return FALSE; } - + return TRUE; } // ------------------------------------------------------------------------ - + } // End Class diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php index f96a68e27..fcd55da39 100644 --- a/system/libraries/Cache/drivers/Cache_dummy.php +++ b/system/libraries/Cache/drivers/Cache_dummy.php @@ -2,12 +2,24 @@ /** * 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 - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @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 @@ -21,7 +33,7 @@ * @package CodeIgniter * @subpackage Libraries * @category Core - * @author ExpressionEngine Dev Team + * @author EllisLab Dev Team * @link */ @@ -126,4 +138,4 @@ class CI_Cache_dummy extends CI_Driver { // End Class /* End of file Cache_dummy.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */ diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index 13e2d1af6..a960730d7 100644 --- a/system/libraries/Cache/drivers/Cache_file.php +++ b/system/libraries/Cache/drivers/Cache_file.php @@ -2,27 +2,39 @@ /** * 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 - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @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 + * @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_file extends CI_Driver { @@ -36,9 +48,7 @@ class CI_Cache_file extends CI_Driver { { $CI =& get_instance(); $CI->load->helper('file'); - $path = $CI->config->item('cache_path'); - $this->_cache_path = ($path == '') ? APPPATH.'cache/' : $path; } @@ -56,16 +66,15 @@ class CI_Cache_file extends CI_Driver { { return FALSE; } - - $data = read_file($this->_cache_path.$id); - $data = unserialize($data); - + + $data = unserialize(read_file($this->_cache_path.$id)); + if (time() > $data['time'] + $data['ttl']) { unlink($this->_cache_path.$id); return FALSE; } - + return $data['data']; } @@ -76,22 +85,22 @@ class CI_Cache_file extends CI_Driver { * * @param string unique key * @param mixed data to store - * @param int length of time (in seconds) the cache is valid + * @param int length of time (in seconds) the cache is valid * - Default is 60 seconds * @return boolean true on success/false on failure */ public function save($id, $data, $ttl = 60) - { + { $contents = array( 'time' => time(), - 'ttl' => $ttl, + 'ttl' => $ttl, 'data' => $data ); - + if (write_file($this->_cache_path.$id, serialize($contents))) { - @chmod($this->_cache_path.$id, 0777); - return TRUE; + @chmod($this->_cache_path.$id, 0660); + return TRUE; } return FALSE; @@ -107,7 +116,7 @@ class CI_Cache_file extends CI_Driver { */ public function delete($id) { - return unlink($this->_cache_path.$id); + return (file_exists($this->_cache_path.$id)) ? unlink($this->_cache_path.$id) : FALSE; } // ------------------------------------------------------------------------ @@ -116,7 +125,7 @@ class CI_Cache_file extends CI_Driver { * Clean the Cache * * @return boolean false on failure/true on success - */ + */ public function clean() { return delete_files($this->_cache_path); @@ -151,26 +160,24 @@ class CI_Cache_file extends CI_Driver { { return FALSE; } - - $data = read_file($this->_cache_path.$id); - $data = unserialize($data); - + + $data = unserialize(read_file($this->_cache_path.$id)); + if (is_array($data)) { - $data = $data['data']; $mtime = filemtime($this->_cache_path.$id); - if ( ! isset($data['ttl'])) + if ( ! isset($data['data']['ttl'])) { return FALSE; } return array( - 'expire' => $mtime + $data['ttl'], - 'mtime' => $mtime + 'expire' => $mtime + $data['data']['ttl'], + 'mtime' => $mtime ); } - + return FALSE; } @@ -180,7 +187,7 @@ class CI_Cache_file extends CI_Driver { * Is supported * * In the file driver, check to see that the cache directory is indeed writable - * + * * @return boolean */ public function is_supported() @@ -193,4 +200,4 @@ class CI_Cache_file extends CI_Driver { // End Class /* End of file Cache_file.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_file.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_file.php */ diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php index fc586e025..ffe6f2ff7 100644 --- a/system/libraries/Cache/drivers/Cache_memcached.php +++ b/system/libraries/Cache/drivers/Cache_memcached.php @@ -2,27 +2,39 @@ /** * 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 - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @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 + * @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; } @@ -72,12 +84,12 @@ class CI_Cache_memcached extends CI_Driver { { return $this->_memcached->set($id, array($data, time(), $ttl), 0, $ttl); } - + return FALSE; } // ------------------------------------------------------------------------ - + /** * 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(); } // ------------------------------------------------------------------------ @@ -215,4 +256,4 @@ class CI_Cache_memcached extends CI_Driver { // End Class /* End of file Cache_memcached.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */ |