private void sendCmd(int port, RemoteCmdType type, string data)
 {
     sendCmd(ConnectionPort, type, "all", data);
 }
 private void sendCmd(int port, RemoteCmdType type, string dest, string data)
 {
     SendMsg(UnityEngine.JsonUtility.ToJson(new RemoteCmd(type, dest, data)));
 }
 public void sendCmd(RemoteCmdType type, string dest, string data)
 {
     sendCmd(ConnectionPort, type, dest, data);
 }