diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_redis.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_redis.php | 75 |
1 files changed, 62 insertions, 13 deletions
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php index 484f284f1..b6fddf035 100644 --- a/system/libraries/Cache/drivers/Cache_redis.php +++ b/system/libraries/Cache/drivers/Cache_redis.php @@ -44,6 +44,7 @@ class CI_Cache_redis extends CI_Driver * @var array */ protected static $_default_config = array( + 'socket_type' => 'tcp', 'host' => '127.0.0.1', 'password' => NULL, 'port' => 6379, @@ -62,7 +63,7 @@ class CI_Cache_redis extends CI_Driver /** * Get cache * - * @param string Cache key identifier + * @param string Cache ID * @return mixed */ public function get($key) @@ -75,16 +76,17 @@ class CI_Cache_redis extends CI_Driver /** * Save cache * - * @param string Cache key identifier - * @param mixed Data to save - * @param int Time to live - * @return bool + * @param string $id Cache ID + * @param mixed $data Data to save + * @param int $ttl Time to live in seconds + * @param bool $raw Whether to store the raw value (unused) + * @return bool TRUE on success, FALSE on failure */ - public function save($key, $value, $ttl = NULL) + public function save($id, $data, $ttl = 60, $raw = FALSE) { return ($ttl) - ? $this->_redis->setex($key, $ttl, $value) - : $this->_redis->set($key, $value); + ? $this->_redis->setex($id, $ttl, $data) + : $this->_redis->set($id, $data); } // ------------------------------------------------------------------------ @@ -103,6 +105,38 @@ class CI_Cache_redis extends CI_Driver // ------------------------------------------------------------------------ /** + * Increment a raw value + * + * @param string $id Cache ID + * @param int $offset Step/value to add + * @return mixed New value on success or FALSE on failure + */ + public function increment($id, $offset = 1) + { + return $this->_redis->exists($id) + ? $this->_redis->incr($id, $offset) + : FALSE; + } + + // ------------------------------------------------------------------------ + + /** + * Decrement a raw value + * + * @param string $id Cache ID + * @param int $offset Step/value to reduce by + * @return mixed New value on success or FALSE on failure + */ + public function decrement($id, $offset = 1) + { + return $this->_redis->exists($id) + ? $this->_redis->decr($id, $offset) + : FALSE; + } + + // ------------------------------------------------------------------------ + + /** * Clean cache * * @return bool @@ -163,12 +197,11 @@ class CI_Cache_redis extends CI_Driver { if (extension_loaded('redis')) { - $this->_setup_redis(); - return TRUE; + return $this->_setup_redis(); } else { - log_message('error', 'The Redis extension must be loaded to use Redis cache.'); + log_message('debug', 'The Redis extension must be loaded to use Redis cache.'); return FALSE; } } @@ -200,17 +233,33 @@ class CI_Cache_redis extends CI_Driver try { - $this->_redis->connect($config['host'], $config['port'], $config['timeout']); + if ($config['socket_type'] === 'unix') + { + $success = $this->_redis->connect($config['socket']); + } + else // tcp socket + { + $success = $this->_redis->connect($config['host'], $config['port'], $config['timeout']); + } + + if ( ! $success) + { + log_message('debug', 'Cache: Redis connection refused. Check the config.'); + return FALSE; + } } catch (RedisException $e) { - show_error('Redis connection refused. ' . $e->getMessage()); + log_message('debug', 'Cache: Redis connection refused ('.$e->getMessage().')'); + return FALSE; } if (isset($config['password'])) { $this->_redis->auth($config['password']); } + + return TRUE; } // ------------------------------------------------------------------------ |