diff options
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_redis.php | 24 | ||||
| -rw-r--r-- | user_guide_src/source/changelog.rst | 1 | ||||
| -rw-r--r-- | user_guide_src/source/libraries/caching.rst | 21 |
3 files changed, 37 insertions, 9 deletions
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php index 40823fcb4..f13e4479f 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, @@ -163,8 +164,7 @@ class CI_Cache_redis extends CI_Driver { if (extension_loaded('redis')) { - $this->_setup_redis(); - return TRUE; + return $this->_setup_redis(); } else { @@ -200,17 +200,33 @@ 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; } // ------------------------------------------------------------------------ diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index c191432b8..1c1100b3d 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -623,6 +623,7 @@ Bug fixes for 3.0 - Fixed a bug (#2681) - ``CI_Security::entity_decode()`` used the `PREG_REPLACE_EVAL` flag, which is deprecated since PHP 5.5. - Fixed a bug (#2691) - nested transactions could end in a deadlock when an error is encountered with *db_debug* set to TRUE. - Fixed a bug (#2515) - ``_exception_handler()`` used to send the 200 "OK" HTTP status code and didn't stop script exection even on fatal errors. +- Fixed a bug - Redis :doc:`Caching <libraries/caching>` driver didn't handle connection failures properly. Version 2.1.4 ============= diff --git a/user_guide_src/source/libraries/caching.rst b/user_guide_src/source/libraries/caching.rst index 8d7b4c440..3f7dc2dd9 100644 --- a/user_guide_src/source/libraries/caching.rst +++ b/user_guide_src/source/libraries/caching.rst @@ -239,17 +239,28 @@ For more information on WinCache, please see Redis Caching ============= +Redis is an in-memory key-value store which can operate in LRU cache mode. +To use it, you need Redis server and phpredis PHP extension +`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_. + +Config options to connect to redis server must be stored in the application/config/redis.php file. +Available options are:: + + $config['socket_type'] = 'tcp'; //`tcp` or `unix` + $config['socket'] = '/var/run/redis.sock'; // in case of `unix` socket type + $config['host'] = '127.0.0.1'; + $config['password'] = NULL; + $config['port'] = 6379; + $config['timeout'] = 0; + All of the methods listed above can be accessed without passing a specific adapter to the driver loader as follows:: $this->load->driver('cache'); $this->cache->redis->save('foo', 'bar', 10); -.. important:: Redis may require one or more of the following options: - **host**, **post**, **timeout**, **password**. - -The Redis PHP extension repository is located at -`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_. +For more information on Redis, please see +`http://redis.io <http://redis.io>`_. Dummy Cache =========== |