def METHOD_NAME(self, receive_id, status="ONLINE"):
    logging.info("send_client_status")
    logging.info("self.client_real_id = {}".format(self.client_real_id))
    message = Message(MyMessage.MSG_TYPE_C2S_CLIENT_STATUS, self.client_real_id, receive_id)
    sys_name = platform.system()
    if sys_name == "Darwin":
        sys_name = "Mac"
    # Debug for simulation mobile system
    # sys_name = MyMessage.MSG_CLIENT_OS_ANDROID
    message.add_params(MyMessage.MSG_ARG_KEY_CLIENT_STATUS, status)
    message.add_params(MyMessage.MSG_ARG_KEY_CLIENT_OS, sys_name)
    self.send_message(message)