173 lines
4.0 KiB
PHP
Executable File
173 lines
4.0 KiB
PHP
Executable File
<?php
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/**
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* SimplePie Redis Cache Extension
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*
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* @package SimplePie
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* @author Jan Kozak <galvani78@gmail.com>
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* @link http://galvani.cz/
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @version 0.2.9
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*/
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/**
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* Caches data to redis
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*
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* Registered for URLs with the "redis" protocol
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*
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* For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will
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* connect to redis on `localhost` on port 6379. All tables will be
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* prefixed with `simple_primary-` and data will expire after 3600 seconds
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*
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* @package SimplePie
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* @subpackage Caching
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* @uses Redis
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*/
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class SimplePie_Cache_Redis implements SimplePie_Cache_Base {
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/**
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* Redis instance
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*
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* @var \Redis
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*/
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protected $cache;
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/**
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* Options
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*
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* @var array
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*/
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protected $options;
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/**
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* Cache name
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*
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* @var string
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*/
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protected $name;
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/**
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* Cache Data
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*
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* @var type
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*/
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protected $data;
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/**
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* Create a new cache object
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*
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* @param string $location Location string (from SimplePie::$cache_location)
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* @param string $name Unique ID for the cache
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* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
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*/
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public function __construct($location, $name, $options = null) {
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//$this->cache = \flow\simple\cache\Redis::getRedisClientInstance();
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$parsed = SimplePie_Cache::parse_URL($location);
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$redis = new Redis();
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$redis->connect($parsed['host'], $parsed['port']);
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if (isset($parsed['pass'])) {
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$redis->auth($parsed['pass']);
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}
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if (isset($parsed['path'])) {
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$redis->select((int)substr($parsed['path'], 1));
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}
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$this->cache = $redis;
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if (!is_null($options) && is_array($options)) {
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$this->options = $options;
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} else {
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$this->options = array (
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'prefix' => 'rss:simple_primary:',
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'expire' => 0,
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);
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}
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$this->name = $this->options['prefix'] . $name;
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}
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/**
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* @param \Redis $cache
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*/
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public function setRedisClient(\Redis $cache) {
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$this->cache = $cache;
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}
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/**
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* Save data to the cache
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*
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* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
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* @return bool Successfulness
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*/
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public function save($data) {
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if ($data instanceof SimplePie) {
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$data = $data->data;
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}
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$response = $this->cache->set($this->name, serialize($data));
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if ($this->options['expire']) {
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$this->cache->expire($this->name, $this->options['expire']);
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}
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return $response;
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}
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/**
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* Retrieve the data saved to the cache
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*
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* @return array Data for SimplePie::$data
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*/
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public function load() {
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$data = $this->cache->get($this->name);
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if ($data !== false) {
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return unserialize($data);
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}
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return false;
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}
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/**
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* Retrieve the last modified time for the cache
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*
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* @return int Timestamp
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*/
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public function mtime() {
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$data = $this->cache->get($this->name);
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if ($data !== false) {
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return time();
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}
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return false;
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}
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/**
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* Set the last modified time to the current time
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*
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* @return bool Success status
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*/
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public function touch() {
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$data = $this->cache->get($this->name);
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if ($data !== false) {
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$return = $this->cache->set($this->name, $data);
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if ($this->options['expire']) {
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return $this->cache->expire($this->name, $this->options['expire']);
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}
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return $return;
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}
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return false;
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}
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/**
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* Remove the cache
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*
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* @return bool Success status
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*/
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public function unlink() {
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return $this->cache->set($this->name, null);
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}
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}
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