/**
* 向master发送对应命令字的结果
* 协议如下char<cmd>/unsigned int<pack_len>/string<serialize(result)>
* @param char $cmd
* @param mix $result
* @return false/int
*/
protected function reportToMaster($cmd, $result)
{
$pack_data = Cmd::encodeForWorker($cmd, $result);
return $this->blockWrite($this->channel, $pack_data);
}
