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