2017-04-23 11:20:32 +00:00
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<?php
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namespace devilbox;
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/**
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* @requires devilbox::Logger
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*/
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2017-05-06 09:13:33 +00:00
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class Redis extends _Base implements _iBase
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2017-04-23 11:20:32 +00:00
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{
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/*********************************************************************************
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*
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* Statics
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*
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*********************************************************************************/
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/**
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* Redis instance
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* @var Redis|null
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*/
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protected static $instance = null;
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/**
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* Singleton Instance getter.
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*
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* @param string $user Username
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* @param string $pass Password
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* @param string $host Host
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* @return object|null
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*/
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2017-05-06 09:13:33 +00:00
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public static function getInstance($host, $user = null, $pass = null)
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2017-04-23 11:20:32 +00:00
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{
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if (!isset(static::$instance)) {
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static::$instance = new static($host);
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}
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// If current Redis instance was unable to connect
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if (!static::$instance) {
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2017-05-06 09:13:33 +00:00
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//loadClass('Logger')->error('Instance has errors:' . "\r\n" . var_export(static::$instance, true) . "\r\n");
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2017-04-23 11:20:32 +00:00
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}
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return static::$instance;
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}
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/**
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* Connect to Redis
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*
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* @param string $err Reference to error message
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* @param string $host Redis hostname
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* @return boolean
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*/
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2017-05-06 09:13:33 +00:00
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public static function testConnection(&$err, $host, $user = '', $pass = '')
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2017-04-23 11:20:32 +00:00
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{
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$err = false;
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// Silence errors and try to connect
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error_reporting(0);
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$redis = new \Redis();
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if (!$redis->connect($host, 6379)) {
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2017-05-06 09:13:33 +00:00
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$err = 'Failed to connect to Redis host on '.$host;
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2017-04-23 11:20:32 +00:00
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error_reporting(-1);
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return false;
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}
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error_reporting(-1);
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$redis->close();
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return true;
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}
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/*********************************************************************************
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*
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* Private Variables
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*
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*********************************************************************************/
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/**
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* Redis instance
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* @var object|null
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*/
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private $_redis = null;
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/*********************************************************************************
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*
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* Construct/Destructor
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*
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*********************************************************************************/
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/**
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* Use singleton getInstance() instead.
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*
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* @param string $user Username
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* @param string $pass Password
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* @param string $host Host
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*/
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public function __construct($host)
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{
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// Silence errors and try to connect
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error_reporting(0);
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$redis = new \Redis();
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if (!$redis->connect($host, 6379)) {
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2017-05-06 09:13:33 +00:00
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$this->setConnectError('Failed to connect to Redis host on '.$host);
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$this->setConnectErrno(1);
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//loadClass('Logger')->error($this->_connect_error);
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2017-04-23 11:20:32 +00:00
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} else {
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2017-05-07 16:49:38 +00:00
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$redis->set('devilbox-version', $GLOBALS['DEVILBOX_VERSION'].' ('.$GLOBALS['DEVILBOX_DATE'].')');
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2017-04-23 11:20:32 +00:00
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$this->_redis = $redis;
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}
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error_reporting(-1);
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}
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/**
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* Destructor
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*/
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public function __destruct()
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{
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if ($this->_redis) {
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$this->_redis->close();
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}
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}
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2017-05-06 09:13:33 +00:00
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2017-04-23 11:20:32 +00:00
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/*********************************************************************************
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*
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* Redis Select functions
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*
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*********************************************************************************/
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2017-04-23 11:34:14 +00:00
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public function getInfo()
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{
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2017-05-06 09:13:33 +00:00
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if ($this->_redis) {
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return $this->_redis->info('all');
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} else {
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return array();
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}
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2017-04-23 11:34:14 +00:00
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}
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2017-04-23 11:20:32 +00:00
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2017-04-23 12:08:54 +00:00
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public function getKeys()
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{
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2017-05-07 16:49:38 +00:00
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$store = array();
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2017-05-06 09:13:33 +00:00
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if ($this->_redis) {
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2017-05-07 16:49:38 +00:00
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$keys = $this->_redis->keys('*');
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foreach ($keys as $key) {
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$store[$key] = $this->_redis->get($key);
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}
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2017-05-06 09:13:33 +00:00
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}
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2017-05-07 16:49:38 +00:00
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return $store;
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2017-04-23 12:08:54 +00:00
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}
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2017-04-23 11:20:32 +00:00
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2017-05-06 09:13:33 +00:00
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2017-04-23 11:20:32 +00:00
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/*********************************************************************************
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*
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2017-05-06 09:13:33 +00:00
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* Interface required functions
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2017-04-23 11:20:32 +00:00
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*
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*********************************************************************************/
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2017-05-06 09:13:33 +00:00
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public function getName($default = 'Redis')
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2017-04-23 11:20:32 +00:00
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{
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2017-05-06 09:13:33 +00:00
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return $default;
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2017-04-23 11:20:32 +00:00
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}
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2017-05-06 09:13:33 +00:00
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public function getVersion()
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2017-04-23 11:20:32 +00:00
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{
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2017-05-06 09:13:33 +00:00
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$info = $this->getInfo();
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if (!isset($info['redis_version'])) {
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loadClass('Logger')->error('Could not get Redis version');
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return '';
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}
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return $info['redis_version'];
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2017-04-23 11:20:32 +00:00
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}
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}
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