}
if(n->mtuprobes == 31) {
+ if(!n->minmtu && n->status.want_udp) {
+ /* Send a dummy ANS_KEY to try to update the reflexive UDP address */
+ send_request(mesh, n->nexthop->connection, NULL, "%d %s %s . -1 -1 -1 0", ANS_KEY, mesh->self->name, n->name);
+ n->status.want_udp = false;
+ }
+
timeout = mesh->dev_class_traits[n->devclass].pinginterval;
goto end;
} else if(n->mtuprobes == 32) {
is possible using the address and socket that the reply
packet used. */
- n->status.udp_confirmed = true;
+ if(!n->status.udp_confirmed) {
+ char *address, *port;
+ sockaddr2str(&n->address, &address, &port);
+ send_request(mesh, n->nexthop->connection, NULL, "%d %s %s . -1 -1 -1 0 %s %s", ANS_KEY, n->name, n->name, address, port);
+ free(address);
+ free(port);
+ n->status.udp_confirmed = true;
+ }
/* If we haven't established the PMTU yet, restart the discovery process. */
return;
}
- sptps_receive_data(&n->sptps, inpkt->data, inpkt->len);
+ if(!sptps_receive_data(&n->sptps, inpkt->data, inpkt->len)) {
+ logger(mesh, MESHLINK_ERROR, "Could not process SPTPS data from %s: %s", n->name, strerror(errno));
+ }
}
static void send_sptps_packet(meshlink_handle_t *mesh, node_t *n, vpn_packet_t *origpkt) {
n->out_packets++;
n->out_bytes += packet->len;
+ n->status.want_udp = true;
send_sptps_packet(mesh, n, packet);
return;
}
-/* Broadcast a packet using the minimum spanning tree */
-
-void broadcast_packet(meshlink_handle_t *mesh, const node_t *from, vpn_packet_t *packet) {
- // Always give ourself a copy of the packet.
- if(from != mesh->self) {
- send_packet(mesh, mesh->self, packet);
- }
-
- logger(mesh, MESHLINK_INFO, "Broadcasting packet of %d bytes from %s", packet->len, from->name);
-
- for list_each(connection_t, c, mesh->connections)
- if(c->status.active && c->status.mst && c != from->nexthop->connection) {
- send_packet(mesh, c->node, packet);
- }
-}
-
static node_t *try_harder(meshlink_handle_t *mesh, const sockaddr_t *from, const vpn_packet_t *pkt) {
node_t *n = NULL;
bool hard = false;
if(n) {
update_node_udp(mesh, n, &from);
- } else if(mesh->log_level >= MESHLINK_WARNING) {
+ } else if(mesh->log_level <= MESHLINK_WARNING) {
hostname = sockaddr2hostname(&from);
logger(mesh, MESHLINK_WARNING, "Received UDP packet from unknown source %s", hostname);
free(hostname);