/*
net_packet.c -- Handles in- and outgoing VPN packets
Copyright (C) 1998-2005 Ivo Timmermans,
/*
net_packet.c -- Handles in- and outgoing VPN packets
Copyright (C) 1998-2005 Ivo Timmermans,
gettimeofday(&now, NULL);
struct timeval rtt;
timersub(&now, &n->udp_ping_sent, &rtt);
n->udp_ping_rtt = rtt.tv_sec * 1000000 + rtt.tv_usec;
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);
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);
if(ping_tx_elapsed.tv_sec >= interval) {
gettimeofday(&now, NULL);
n->udp_ping_sent = now; // a probe in flight
if(ping_tx_elapsed.tv_sec >= interval) {
gettimeofday(&now, NULL);
n->udp_ping_sent = now; // a probe in flight
send_udp_probe_packet(n, MIN_PROBE_SIZE);
if(localdiscovery && !n->status.udp_confirmed && n->prevedge) {
send_udp_probe_packet(n, MIN_PROBE_SIZE);
if(localdiscovery && !n->status.udp_confirmed && n->prevedge) {
socklen_t addrlen = sizeof(addr);
pkt.offset = 0;
int len = recvfrom(ls->udp.fd, (void *)DATA(&pkt), MAXSIZE, 0, &addr.sa, &addrlen);
socklen_t addrlen = sizeof(addr);
pkt.offset = 0;
int len = recvfrom(ls->udp.fd, (void *)DATA(&pkt), MAXSIZE, 0, &addr.sa, &addrlen);
if(!sockwouldblock(sockerrno)) {
logger(DEBUG_ALWAYS, LOG_ERR, "Receiving packet failed: %s", sockstrerror(sockerrno));
}
if(!sockwouldblock(sockerrno)) {
logger(DEBUG_ALWAYS, LOG_ERR, "Receiving packet failed: %s", sockstrerror(sockerrno));
}