- e->to->status.visited = 1;
- e->to->status.indirect = indirect;
- e->to->nexthop = (n->nexthop == myself) ? e->to : n->nexthop;
- e->to->via = indirect ? n->via : e->to;
- e->to->options = e->options;
+ if(n->status.visited != n->status.reachable) {
+ n->status.reachable = !n->status.reachable;
+ n->status.dirty = true;
+
+ if(!n->status.blacklisted) {
+ if(n->status.reachable) {
+ logger(mesh, MESHLINK_DEBUG, "Node %s became reachable", n->name);
+ bool first_time_reachable = !n->last_reachable;
+ n->last_reachable = time(NULL);
+
+ if(first_time_reachable) {
+ if(!node_write_config(mesh, n, false)) {
+ logger(mesh, MESHLINK_WARNING, "Could not write host config file for node %s!\n", n->name);
+
+ }
+ }
+ } else {
+ logger(mesh, MESHLINK_DEBUG, "Node %s became unreachable", n->name);
+ n->last_unreachable = time(NULL);
+ }
+ }