summaryrefslogtreecommitdiffstats
path: root/system/libraries/Cache
diff options
context:
space:
mode:
Diffstat (limited to 'system/libraries/Cache')
-rw-r--r--system/libraries/Cache/Cache.php54
-rw-r--r--system/libraries/Cache/drivers/Cache_apc.php45
-rw-r--r--system/libraries/Cache/drivers/Cache_dummy.php24
-rw-r--r--system/libraries/Cache/drivers/Cache_file.php75
-rw-r--r--system/libraries/Cache/drivers/Cache_memcached.php107
5 files changed, 195 insertions, 110 deletions
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 61e7aa761..2e78a6660 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -2,30 +2,42 @@
/**
* 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 Caching Class
+ * CodeIgniter Caching Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Core
- * @author ExpressionEngine Dev Team
- * @link
+ * @author EllisLab Dev Team
+ * @link
*/
class CI_Cache extends CI_Driver_Library {
-
+
protected $valid_drivers = array(
'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy'
);
@@ -33,7 +45,7 @@ class CI_Cache extends CI_Driver_Library {
protected $_cache_path = NULL; // Path of cache files (if file-based cache)
protected $_adapter = 'dummy';
protected $_backup_driver;
-
+
// ------------------------------------------------------------------------
/**
@@ -52,16 +64,16 @@ class CI_Cache extends CI_Driver_Library {
// ------------------------------------------------------------------------
/**
- * Get
+ * Get
*
- * Look for a value in the cache. If it exists, return the data
+ * Look for a value in the cache. If it exists, return the data
* if not, return FALSE
*
- * @param string
+ * @param string
* @return mixed value that is stored/FALSE on failure
*/
public function get($id)
- {
+ {
return $this->{$this->_adapter}->get($id);
}
@@ -112,7 +124,7 @@ class CI_Cache extends CI_Driver_Library {
* Cache Info
*
* @param string user/filehits
- * @return mixed array on success, false on failure
+ * @return mixed array on success, false on failure
*/
public function cache_info($type = 'user')
{
@@ -120,7 +132,7 @@ class CI_Cache extends CI_Driver_Library {
}
// ------------------------------------------------------------------------
-
+
/**
* Get Cache Metadata
*
@@ -131,7 +143,7 @@ class CI_Cache extends CI_Driver_Library {
{
return $this->{$this->_adapter}->get_metadata($id);
}
-
+
// ------------------------------------------------------------------------
/**
@@ -139,11 +151,11 @@ class CI_Cache extends CI_Driver_Library {
*
* Initialize class properties based on the configuration array.
*
- * @param array
+ * @param array
* @return void
*/
private function _initialize($config)
- {
+ {
$default_config = array(
'adapter',
'memcached'
@@ -207,10 +219,10 @@ class CI_Cache extends CI_Driver_Library {
return $obj;
}
-
+
// ------------------------------------------------------------------------
}
// End Class
/* End of file Cache.php */
-/* Location: ./system/libraries/Cache/Cache.php */ \ No newline at end of file
+/* Location: ./system/libraries/Cache/Cache.php */
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 */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-05 22:27:17 +0100