- logger(DEBUG_TRAFFIC, LOG_INFO, "Got type %d UDP probe reply %d from %s (%s)", DATA(packet)[0], len, n->name, n->hostname);
+ if(n->udp_ping_sent.tv_sec != 0) { // a probe in flight
+ gettimeofday(&now, NULL);
+ struct timeval rtt;
+ timersub(&now, &n->udp_ping_sent, &rtt);
+ n->udp_ping_rtt = rtt.tv_sec * 1000000 + rtt.tv_usec;
+ logger(DEBUG_TRAFFIC, LOG_INFO, "Got type %d UDP probe reply %d from %s (%s) rtt=%d.%03d", DATA(packet)[0], len, n->name, n->hostname, n->udp_ping_rtt / 1000, n->udp_ping_rtt % 1000);
+ } else {
+ logger(DEBUG_TRAFFIC, LOG_INFO, "Got type %d UDP probe reply %d from %s (%s)", DATA(packet)[0], len, n->name, n->hostname);
+ }