diff options
Diffstat (limited to 'system/libraries/Session/drivers/Session_redis_driver.php')
| -rw-r--r-- | system/libraries/Session/drivers/Session_redis_driver.php | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/system/libraries/Session/drivers/Session_redis_driver.php b/system/libraries/Session/drivers/Session_redis_driver.php index cde587b97..a0ec40907 100644 --- a/system/libraries/Session/drivers/Session_redis_driver.php +++ b/system/libraries/Session/drivers/Session_redis_driver.php @@ -111,6 +111,15 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Open + * + * Sanitizes save_path and initializes connection. + * + * @param string $save_path Server path + * @param string $name Session cookie name, unused + * @return bool + */ public function open($save_path, $name) { if (empty($this->_config['save_path'])) @@ -142,6 +151,14 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Read + * + * Reads session data and acquires a lock + * + * @param string $session_id Session ID + * @return string Serialized session data + */ public function read($session_id) { if (isset($this->_redis) && $this->_get_lock($session_id)) @@ -157,6 +174,17 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle return FALSE; } + // ------------------------------------------------------------------------ + + /** + * Write + * + * Writes (create / update) session data + * + * @param string $session_id Session ID + * @param string $session_data Serialized session data + * @return bool + */ public function write($session_id, $session_data) { if ( ! isset($this->_redis)) @@ -197,6 +225,13 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Close + * + * Releases locks and closes connection. + * + * @return void + */ public function close() { if (isset($this->_redis)) @@ -225,6 +260,14 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Destroy + * + * Destroys the current session. + * + * @param string $session_id Session ID + * @return bool + */ public function destroy($session_id) { if (isset($this->_redis, $this->_lock_key)) @@ -242,6 +285,14 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Garbage Collector + * + * Deletes expired sessions + * + * @param int $maxlifetime Maximum lifetime of sessions + * @return bool + */ public function gc($maxlifetime) { // Not necessary, Redis takes care of that. @@ -250,6 +301,14 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Get lock + * + * Acquires an (emulated) lock. + * + * @param string $session_id Session ID + * @return bool + */ protected function _get_lock($session_id) { if (isset($this->_lock_key)) @@ -309,6 +368,13 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle // ------------------------------------------------------------------------ + /** + * Release lock + * + * Releases a previously acquired lock + * + * @return bool + */ protected function _release_lock() { if (isset($this->_redis, $this->_lock_key) && $this->_lock) |