diff options
Diffstat (limited to 'platform/www/vendor/simplepie/simplepie/library/SimplePie/Cache/Memcached.php')
| -rwxr-xr-x | platform/www/vendor/simplepie/simplepie/library/SimplePie/Cache/Memcached.php | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/platform/www/vendor/simplepie/simplepie/library/SimplePie/Cache/Memcached.php b/platform/www/vendor/simplepie/simplepie/library/SimplePie/Cache/Memcached.php new file mode 100755 index 0000000..0b40d87 --- /dev/null +++ b/platform/www/vendor/simplepie/simplepie/library/SimplePie/Cache/Memcached.php @@ -0,0 +1,166 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * 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 HOLDERS + * AND 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. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue + * @author Ryan Parman + * @author Sam Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to memcached + * + * Registered for URLs with the "memcached" protocol + * + * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will + * connect to memcached on `localhost` on port 11211. All tables will be + * prefixed with `sp_` and data will expire after 3600 seconds + * + * @package SimplePie + * @subpackage Caching + * @author Paul L. McNeely + * @uses Memcached + */ +class SimplePie_Cache_Memcached implements SimplePie_Cache_Base +{ + /** + * Memcached instance + * @var Memcached + */ + protected $cache; + + /** + * Options + * @var array + */ + protected $options; + + /** + * Cache name + * @var string + */ + protected $name; + + /** + * Create a new cache object + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) { + $this->options = array( + 'host' => '127.0.0.1', + 'port' => 11211, + 'extras' => array( + 'timeout' => 3600, // one hour + 'prefix' => 'simplepie_', + ), + ); + $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); + + $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); + + $this->cache = new Memcached(); + $this->cache->addServer($this->options['host'], (int)$this->options['port']); + } + + /** + * Save data to the cache + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) { + if ($data instanceof SimplePie) { + $data = $data->data; + } + + return $this->setData(serialize($data)); + } + + /** + * Retrieve the data saved to the cache + * @return array Data for SimplePie::$data + */ + public function load() { + $data = $this->cache->get($this->name); + + if ($data !== false) { + return unserialize($data); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * @return int Timestamp + */ + public function mtime() { + $data = $this->cache->get($this->name . '_mtime'); + return (int) $data; + } + + /** + * Set the last modified time to the current time + * @return bool Success status + */ + public function touch() { + $data = $this->cache->get($this->name); + return $this->setData($data); + } + + /** + * Remove the cache + * @return bool Success status + */ + public function unlink() { + return $this->cache->delete($this->name, 0); + } + + /** + * Set the last modified time and data to Memcached + * @return bool Success status + */ + private function setData($data) { + + if ($data !== false) { + $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']); + return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']); + } + + return false; + } +} |