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118 lines
3.5 KiB
PHP
118 lines
3.5 KiB
PHP
<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @version 1.3-dev
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* @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Geoffrey Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @todo phpDoc comments
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*/
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class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
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{
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protected $cache;
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protected $options;
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protected $name;
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public function __construct($url, $filename, $extension)
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{
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$this->options = array(
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'host' => '127.0.0.1',
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'port' => 11211,
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'extras' => array(
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'timeout' => 3600, // one hour
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'prefix' => 'simplepie_',
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),
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);
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$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($url));
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$this->name = $this->options['extras']['prefix'] . md5("$filename:$extension");
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$this->cache = new Memcache();
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$this->cache->addServer($this->options['host'], (int) $this->options['port']);
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}
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public function save($data)
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{
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if (is_a($data, 'SimplePie'))
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{
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$data = $data->data;
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}
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return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
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}
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public function load()
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{
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$data = $this->cache->get($this->name);
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if ($data !== false)
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{
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return unserialize($data);
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}
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return false;
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}
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public function mtime()
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{
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$data = $this->cache->get($this->name);
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if ($data !== false)
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{
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// essentially ignore the mtime because Memcache expires on it's own
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return time();
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}
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return false;
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}
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public function touch()
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{
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$data = $this->cache->get($this->name);
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if ($data !== false)
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{
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return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
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}
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return false;
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}
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public function unlink()
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{
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return $this->cache->delete($this->name);
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}
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}
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