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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Cache;
/**
* Xcache cache driver.
*
* @link www.doctrine-project.org
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
* @author David Abdemoulaie <dave@hobodave.com>
*/
class XcacheCache extends CacheProvider
{
/**
* {@inheritdoc}
*/
protected function doFetch($id)
{
return $this->doContains($id) ? unserialize(xcache_get($id)) : false;
}
/**
* {@inheritdoc}
*/
protected function doContains($id)
{
return xcache_isset($id);
}
/**
* {@inheritdoc}
*/
protected function doSave($id, $data, $lifeTime = 0)
{
return xcache_set($id, serialize($data), (int) $lifeTime);
}
/**
* {@inheritdoc}
*/
protected function doDelete($id)
{
return xcache_unset($id);
}
/**
* {@inheritdoc}
*/
protected function doFlush()
{
$this->checkAuthorization();
xcache_clear_cache(XC_TYPE_VAR, 0);
return true;
}
/**
* Checks that xcache.admin.enable_auth is Off.
*
* @return void
*
* @throws \BadMethodCallException When xcache.admin.enable_auth is On.
*/
protected function checkAuthorization()
{
if (ini_get('xcache.admin.enable_auth')) {
throw new \BadMethodCallException('To use all features of \Doctrine\Common\Cache\XcacheCache, you must set "xcache.admin.enable_auth" to "Off" in your php.ini.');
}
}
/**
* {@inheritdoc}
*/
protected function doGetStats()
{
$this->checkAuthorization();
$info = xcache_info(XC_TYPE_VAR, 0);
return array(
Cache::STATS_HITS => $info['hits'],
Cache::STATS_MISSES => $info['misses'],
Cache::STATS_UPTIME => null,
Cache::STATS_MEMORY_USAGE => $info['size'],
Cache::STATS_MEMORY_AVAILABLE => $info['avail'],
);
}
}
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