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First Local Commit - After Clean up.

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Signed-off-by: Rick Hays <rhays@haysgang.com>
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Rick Hays
2019-12-02 14:54:38 -06:00
commit 10412ab7f6
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system/Cache/Handlers/WincacheHandler.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
* Copyright (c) 2019 CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author CodeIgniter Dev Team
* @copyright 2019 CodeIgniter Foundation
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*/
namespace CodeIgniter\Cache\Handlers;
use CodeIgniter\Cache\CacheInterface;
/**
* Cache handler for WinCache from Microsoft & IIS.
* Windows-only, so not testable on travis-ci.
* Unusable methods flagged for code coverage ignoring.
*/
class WincacheHandler implements CacheInterface
{
/**
* Prefixed to all cache names.
*
* @var string
*/
protected $prefix;
//--------------------------------------------------------------------
/**
* Constructor.
*
* @param type $config
* @throws type
*/
public function __construct($config)
{
$this->prefix = $config->prefix ?: '';
}
//--------------------------------------------------------------------
/**
* Takes care of any handler-specific setup that must be done.
*
* @codeCoverageIgnore
*/
public function initialize()
{
// Nothing to see here...
}
//--------------------------------------------------------------------
/**
* Attempts to fetch an item from the cache store.
*
* @codeCoverageIgnore
*
* @param string $key Cache item name
*
* @return mixed
*/
public function get(string $key)
{
$key = $this->prefix . $key;
$success = false;
$data = wincache_ucache_get($key, $success);
// Success returned by reference from wincache_ucache_get()
return ($success) ? $data : null;
}
//--------------------------------------------------------------------
/**
* Saves an item to the cache store.
*
* @codeCoverageIgnore
*
* @param string $key Cache item name
* @param mixed $value The data to save
* @param integer $ttl Time To Live, in seconds (default 60)
*
* @return mixed
*/
public function save(string $key, $value, int $ttl = 60)
{
$key = $this->prefix . $key;
return wincache_ucache_set($key, $value, $ttl);
}
//--------------------------------------------------------------------
/**
* Deletes a specific item from the cache store.
*
* @codeCoverageIgnore
*
* @param string $key Cache item name
*
* @return mixed
*/
public function delete(string $key)
{
$key = $this->prefix . $key;
return wincache_ucache_delete($key);
}
//--------------------------------------------------------------------
/**
* Performs atomic incrementation of a raw stored value.
*
* @codeCoverageIgnore
* @param string $key Cache ID
* @param integer $offset Step/value to increase by
*
* @return mixed
*/
public function increment(string $key, int $offset = 1)
{
$key = $this->prefix . $key;
$success = false;
$value = wincache_ucache_inc($key, $offset, $success);
return ($success === true) ? $value : false;
}
//--------------------------------------------------------------------
/**
* Performs atomic decrementation of a raw stored value.
*
* @codeCoverageIgnore
*
* @param string $key Cache ID
* @param integer $offset Step/value to increase by
*
* @return mixed
*/
public function decrement(string $key, int $offset = 1)
{
$key = $this->prefix . $key;
$success = false;
$value = wincache_ucache_dec($key, $offset, $success);
return ($success === true) ? $value : false;
}
//--------------------------------------------------------------------
/**
* Will delete all items in the entire cache.
*
* @codeCoverageIgnore
*
* @return mixed
*/
public function clean()
{
return wincache_ucache_clear();
}
//--------------------------------------------------------------------
/**
* Returns information on the entire cache.
*
* @codeCoverageIgnore
*
* The information returned and the structure of the data
* varies depending on the handler.
*
* @return mixed
*/
public function getCacheInfo()
{
return wincache_ucache_info(true);
}
//--------------------------------------------------------------------
/**
* Returns detailed information about the specific item in the cache.
*
* @codeCoverageIgnore
* @param string $key Cache item name.
*
* @return mixed
*/
public function getMetaData(string $key)
{
$key = $this->prefix . $key;
if ($stored = wincache_ucache_info(false, $key))
{
$age = $stored['ucache_entries'][1]['age_seconds'];
$ttl = $stored['ucache_entries'][1]['ttl_seconds'];
$hitcount = $stored['ucache_entries'][1]['hitcount'];
return [
'expire' => $ttl - $age,
'hitcount' => $hitcount,
'age' => $age,
'ttl' => $ttl,
];
}
return false;
}
//--------------------------------------------------------------------
/**
* Determines if the driver is supported on this system.
*
* @return boolean
*/
public function isSupported(): bool
{
return (extension_loaded('wincache') && ini_get('wincache.ucenabled'));
}
//--------------------------------------------------------------------
}