UPAPSS_LISTEN
u->us_serverstate = UPAPSS_LISTEN;
if (u->us_serverstate != UPAPSS_LISTEN)
u->us_serverstate = UPAPSS_LISTEN;
if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0)
if (u->us_serverstate == UPAPSS_LISTEN) {
if (u->us_serverstate < UPAPSS_LISTEN)