diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_redis.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_redis.php | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php index ac67be077..bb26b3b47 100644 --- a/system/libraries/Cache/drivers/Cache_redis.php +++ b/system/libraries/Cache/drivers/Cache_redis.php @@ -55,11 +55,11 @@ 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, - 'timeout' => 0 + 'timeout' => 0, + 'database' => 0 ); /** @@ -69,13 +69,6 @@ class CI_Cache_redis extends CI_Driver */ protected $_redis; - /** - * An internal cache for storing keys of serialized values. - * - * @var array - */ - protected $_serialized = array(); - // ------------------------------------------------------------------------ /** @@ -112,16 +105,7 @@ class CI_Cache_redis extends CI_Driver try { - if ($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) + if ( ! $this->_redis->connect($config['host'], ($config['host'][0] === '/' ? 0 : $config['port']), $config['timeout'])) { log_message('error', 'Cache: Redis connection failed. Check your configuration.'); } @@ -130,15 +114,16 @@ class CI_Cache_redis extends CI_Driver { log_message('error', 'Cache: Redis authentication failed.'); } + + if (isset($config['database']) && $config['database'] > 0 && ! $this->_redis->select($config['database'])) + { + log_message('error', 'Cache: Redis select database failed.'); + } } catch (RedisException $e) { log_message('error', 'Cache: Redis connection refused ('.$e->getMessage().')'); } - - // Initialize the index of serialized values. - $serialized = $this->_redis->sMembers('_ci_redis_serialized'); - empty($serialized) OR $this->_serialized = array_flip($serialized); } // ------------------------------------------------------------------------ @@ -151,14 +136,30 @@ class CI_Cache_redis extends CI_Driver */ public function get($key) { - $value = $this->_redis->get($key); + $data = $this->_redis->hMGet($key, array('__ci_type', '__ci_value')); - if ($value !== FALSE && isset($this->_serialized[$key])) + if ( ! isset($data['__ci_type'], $data['__ci_value']) OR $data['__ci_value'] === FALSE) { - return unserialize($value); + return FALSE; } - return $value; + switch ($data['__ci_type']) + { + case 'array': + case 'object': + return unserialize($data['__ci_value']); + case 'boolean': + case 'integer': + case 'double': // Yes, 'double' is returned and NOT 'float' + case 'string': + case 'NULL': + return settype($data['__ci_value'], $data['__ci_type']) + ? $data['__ci_value'] + : FALSE; + case 'resource': + default: + return FALSE; + } } // ------------------------------------------------------------------------ @@ -174,23 +175,33 @@ class CI_Cache_redis extends CI_Driver */ public function save($id, $data, $ttl = 60, $raw = FALSE) { - if (is_array($data) OR is_object($data)) + switch ($data_type = gettype($data)) { - if ( ! $this->_redis->sIsMember('_ci_redis_serialized', $id) && ! $this->_redis->sAdd('_ci_redis_serialized', $id)) - { + case 'array': + case 'object': + $data = serialize($data); + break; + case 'boolean': + case 'integer': + case 'double': // Yes, 'double' is returned and NOT 'float' + case 'string': + case 'NULL': + break; + case 'resource': + default: return FALSE; - } + } - isset($this->_serialized[$id]) OR $this->_serialized[$id] = TRUE; - $data = serialize($data); + if ( ! $this->_redis->hMSet($id, array('__ci_type' => $data_type, '__ci_value' => $data))) + { + return FALSE; } - elseif (isset($this->_serialized[$id])) + elseif ($ttl) { - $this->_serialized[$id] = NULL; - $this->_redis->sRemove('_ci_redis_serialized', $id); + $this->_redis->expireAt($id, time() + $ttl); } - return $this->_redis->set($id, $data, $ttl); + return TRUE; } // ------------------------------------------------------------------------ @@ -203,18 +214,7 @@ class CI_Cache_redis extends CI_Driver */ public function delete($key) { - if ($this->_redis->delete($key) !== 1) - { - return FALSE; - } - - if (isset($this->_serialized[$key])) - { - $this->_serialized[$key] = NULL; - $this->_redis->sRemove('_ci_redis_serialized', $key); - } - - return TRUE; + return ($this->_redis->delete($key) === 1); } // ------------------------------------------------------------------------ @@ -228,7 +228,7 @@ class CI_Cache_redis extends CI_Driver */ public function increment($id, $offset = 1) { - return $this->_redis->incr($id, $offset); + return $this->_redis->hIncrBy($id, 'data', $offset); } // ------------------------------------------------------------------------ @@ -242,7 +242,7 @@ class CI_Cache_redis extends CI_Driver */ public function decrement($id, $offset = 1) { - return $this->_redis->decr($id, $offset); + return $this->_redis->hIncrBy($id, 'data', -$offset); } // ------------------------------------------------------------------------ |