namespace Friendica\Core\Cache;
+use Exception;
use Friendica\Core\Cache;
+use Redis;
/**
* Redis Cache Driver. This driver is based on Memcache driver
*
- * @author Hypolite Petovan <mrpetovan@gmail.com>
+ * @author Hypolite Petovan <hypolite@mrpetovan.com>
* @author Roland Haeder <roland@mxchange.org>
*/
class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
{
/**
- * @var \Redis
+ * @var Redis
*/
private $redis;
- public function __construct($redis_host, $redis_port)
+ /**
+ * @param string $redis_host
+ * @param int $redis_port
+ * @param int $redis_db (Default = 0, maximum is 15)
+ * @param string? $redis_pw
+ * @throws Exception
+ */
+ public function __construct($redis_host, $redis_port, $redis_db = 0, $redis_pw = null)
{
if (!class_exists('Redis', false)) {
- throw new \Exception('Redis class isn\'t available');
+ throw new Exception('Redis class isn\'t available');
}
- $this->redis = new \Redis();
+ $this->redis = new Redis();
if (!$this->redis->connect($redis_host, $redis_port)) {
- throw new \Exception('Expected Redis server at ' . $redis_host . ':' . $redis_port . ' isn\'t available');
+ throw new Exception('Expected Redis server at ' . $redis_host . ':' . $redis_port . ' isn\'t available');
+ }
+
+ if (isset($redis_pw) && !$this->redis->auth($redis_pw)) {
+ throw new Exception('Cannot authenticate redis server at ' . $redis_host . ':' . $redis_port);
+ }
+
+ if ($redis_db !== 0 && !$this->redis->select($redis_db)) {
+ throw new Exception('Cannot switch to redis db ' . $redis_db . ' at ' . $redis_host . ':' . $redis_port);
}
}
+ /**
+ * (@inheritdoc)
+ */
+ public function getAllKeys($prefix = null)
+ {
+ if (empty($prefix)) {
+ $search = '*';
+ } else {
+ $search = $prefix . '*';
+ }
+
+ $list = $this->redis->keys($this->getCacheKey($search));
+
+ return $this->getOriginalKeys($list);
+ }
+
+ /**
+ * (@inheritdoc)
+ */
public function get($key)
{
$return = null;
return $return;
}
+ /**
+ * (@inheritdoc)
+ */
public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$cachekey = $this->getCacheKey($key);
}
}
+ /**
+ * (@inheritdoc)
+ */
public function delete($key)
{
$cachekey = $this->getCacheKey($key);
return ($this->redis->delete($cachekey) > 0);
}
+ /**
+ * (@inheritdoc)
+ */
public function clear($outdated = true)
{
if ($outdated) {
->exec();
} else {
$result = $this->redis->multi()
- ->set($cachekey, $newValue)
+ ->set($cachekey, $newCached)
->exec();
}
return $result !== false;
$this->redis->unwatch();
return false;
}
+
/**
* (@inheritdoc)
*/