/**
* connect to redis server
*
* @param string $host
* @param int $port
* @return object
*/
public static function connect($index = 'user', $host = null, $port = null)
{
//----------------------------octopus update 2014-01-03----------------------------------
//根据业务，把redis拆分成两部分，user 和 card
// if (!isset(self::$_dbIndex[$index])) {
// throw new Exception('DB index not found.');
// }
//$db = self::$_dbIndex[$index];
if (!extension_loaded('redis')) {
throw new Exception('Redis extension not found.');
}
$redisConfig = TZ_Loader::config('redis');
if (empty($redisConfig)) {
throw new Exception('Reids Configuration error.');
}
$redis = new Redis();
$host = null === $host ? $redisConfig[$index]['host'] : $host;
$port = null === $port ? $redisConfig[$index]['port'] : $port;
$connection = $redis->connect($host, $port);
if (!$connection) {
throw new Exception('Can\'t connect to Redis server.');
}
//$redis->select($db);
//-----------------------------------end ---------------------------------------------------
return $redis;
}
/**
* get relation cache
*
* @param string $telephone
* @param array $fields
* @return string
*/
private function _getCacheByTelephone($telephone, $fields = array())
{
$memcacheConfig = TZ_Loader::config('memcache');
$host = $memcacheConfig['user']['host'];
$port = $memcacheConfig['user']['port'];
$cache = new HM_Memcached($host, $port);
$uid = $cache->get($this->_telephonePreKey . $telephone);
return $uid ? $this->_getCacheByUid($uid, $fields) : false;
}
