+static void send_sptps_packet(node_t *n, vpn_packet_t *origpkt) {
+ if(!n->status.validkey) {
+ logger(DEBUG_TRAFFIC, LOG_INFO, "No valid key known yet for %s (%s)", n->name, n->hostname);
+ if(!n->status.waitingforkey)
+ send_req_key(n);
+ else if(n->last_req_key + 10 < time(NULL)) {
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "No key from %s after 10 seconds, restarting SPTPS", n->name);
+ sptps_stop(&n->sptps);
+ n->status.waitingforkey = false;
+ send_req_key(n);
+ }
+ return;
+ }
+
+ uint8_t type = 0;
+ int offset = 0;
+
+ if(!(origpkt->data[12] | origpkt->data[13])) {
+ sptps_send_record(&n->sptps, PKT_PROBE, (char *)origpkt->data, origpkt->len);
+ return;
+ }
+
+ if(routing_mode == RMODE_ROUTER)
+ offset = 14;
+ else
+ type = PKT_MAC;
+
+ if(origpkt->len < offset)
+ return;
+
+ vpn_packet_t outpkt;
+
+ if(n->outcompression) {
+ int len = compress_packet(outpkt.data + offset, origpkt->data + offset, origpkt->len - offset, n->outcompression);
+ if(len < 0) {
+ logger(DEBUG_TRAFFIC, LOG_ERR, "Error while compressing packet to %s (%s)", n->name, n->hostname);
+ } else if(len < origpkt->len - offset) {
+ outpkt.len = len + offset;
+ origpkt = &outpkt;
+ type |= PKT_COMPRESSED;
+ }
+ }
+
+ sptps_send_record(&n->sptps, type, (char *)origpkt->data + offset, origpkt->len - offset);
+ return;
+}
+