send_msg(OUT, MSG_QUERY_MAX_FLOW_OUT, &temp);
who->recieve_msg(MSG_RESPONSE_MAX_FLOW, this, &temp);
break;
case MSG_RESPONSE_MAX_FLOW:
if (is_open)
send_msg(OUT, MSG_QUERY_MAX_FLOW_OUT, &temp);
who->recieve_msg(MSG_RESPONSE_MAX_FLOW, this, &temp);
break;
case MSG_RESPONSE_MAX_FLOW:
if (is_open)