-/* Broadcast a packet using the minimum spanning tree */
-
-void broadcast_packet(const node_t *from, vpn_packet_t *packet) {
- // Always give ourself a copy of the packet.
- if(from != myself)
- send_packet(myself, packet);
-
- logger(DEBUG_TRAFFIC, LOG_INFO, "Broadcasting packet of %d bytes from %s (%s)",
- packet->len, from->name, from->hostname);
-
- switch(broadcast_mode) {
- // In MST mode, broadcast packets travel via the Minimum Spanning Tree.
- // This guarantees all nodes receive the broadcast packet, and
- // usually distributes the sending of broadcast packets over all nodes.
- case BMODE_MST:
- for list_each(connection_t, c, connection_list)
- if(c->status.active && c->status.mst && c != from->nexthop->connection)
- send_packet(c->node, packet);
- break;
-
- // In direct mode, we send copies to each node we know of.
- // However, this only reaches nodes that can be reached in a single hop.
- // We don't have enough information to forward broadcast packets in this case.
- case BMODE_DIRECT:
- if(from != myself)
- break;
-
- for splay_each(node_t, n, node_tree)
- if(n->status.reachable && n != myself && ((n->via == myself && n->nexthop == n) || n->via == n))
- send_packet(n, packet);
- break;
-
- default:
- break;
- }
-}
-
-static node_t *try_harder(const sockaddr_t *from, const vpn_packet_t *pkt) {