public function start_db()
{
parent::start_db();
if (isset($this->_config['read'])) {
$random_server = array_rand($this->_config['read'], 1);
$this->_config['host'] = $this->_config['read'][$random_server]['host'];
if (isset($this->_config['read'][$random_server]['port'])) {
$this->_config['port'] = $this->_config['read'][$random_server]['port'];
}
}
if (isset($this->_config['port'])) {
$server = $this->_config['host'] . ':' . $this->_config['port'];
} else {
$server = $this->_config['host'];
}
if (isset($this->_config['write'])) {
$random_server = array_rand($this->_config['write'], 1);
$writeserver = $this->_config['write'][$random_server]['host'];
if (isset($this->_config['write'][$random_server]['port'])) {
$writeserver .= ':' . $this->_config['write'][$random_server]['port'];
}
if (!($this->writeDB = mysql_connect($writeserver, $this->_config['user'], $this->_config['pass']))) {
throw new Exception('cant connect to server ' . $writeserver);
}
if (!mysql_select_db($this->_config['dbname'], $this->writeDB)) {
throw new Exception('cant change to dbname of database ' . $this->_config['database'] . ' on server ' . $writeserver);
}
}
if (!($this->DB = mysql_connect($server, $this->_config['user'], $this->_config['pass']))) {
throw new Exception('cant connect to server ' . $server);
}
if (!mysql_select_db($this->_config['dbname'], $this->DB)) {
throw new Exception('cant change to dbname of database ' . $this->_config['database'] . ' on server ' . $server);
}
}
