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