static void mst_kruskal(meshlink_handle_t *mesh) {
/* Clear MST status on connections */
- for list_each(connection_t, c, mesh->connections)
+ for list_each(connection_t, c, mesh->connections) {
c->status.mst = false;
+ }
logger(mesh, MESHLINK_DEBUG, "Running Kruskal's algorithm:");
/* Clear visited status on nodes */
- for splay_each(node_t, n, mesh->nodes)
+ for splay_each(node_t, n, mesh->nodes) {
n->status.visited = false;
+ }
/* Starting point */
e->from->status.visited = true;
e->to->status.visited = true;
- if(e->connection)
+ if(e->connection) {
e->connection->status.mst = true;
+ }
- if(e->reverse->connection)
+ if(e->reverse->connection) {
e->reverse->connection->status.mst = true;
+ }
logger(mesh, MESHLINK_DEBUG, " Adding edge %s - %s weight %d", e->from->name, e->to->name, e->weight);
for list_each(node_t, n, todo_list) { /* "n" is the node from which we start */
logger(mesh, MESHLINK_DEBUG, " Examining edges from %s", n->name);
- if(n->distance < 0)
+ if(n->distance < 0) {
abort();
+ }
for splay_each(edge_t, e, n->edge_tree) { /* "e" is the edge connected to "from" */
- if(!e->reverse)
+ if(!e->reverse) {
continue;
+ }
/* Situation:
if(e->to->status.visited
&& (!e->to->status.indirect || indirect)
- && (e->to->distance != n->distance + 1 || e->weight >= e->to->prevedge->weight))
+ && (e->to->distance != n->distance + 1 || e->weight >= e->to->prevedge->weight)) {
continue;
+ }
e->to->status.visited = true;
e->to->status.indirect = indirect;
e->to->options = e->options;
e->to->distance = n->distance + 1;
- if(!e->to->status.reachable || (e->to->address.sa.sa_family == AF_UNSPEC && e->address.sa.sa_family != AF_UNKNOWN))
+ if(!e->to->status.reachable || (e->to->address.sa.sa_family == AF_UNSPEC && e->address.sa.sa_family != AF_UNKNOWN)) {
update_node_udp(mesh, e->to, &e->address);
+ }
list_insert_tail(todo_list, e->to);
}
n->status.reachable = !n->status.reachable;
n->last_state_change = mesh->loop.now.tv_sec;
- if(n->status.reachable)
+ if(n->status.reachable) {
logger(mesh, MESHLINK_DEBUG, "Node %s became reachable", n->name);
- else
+ } else {
logger(mesh, MESHLINK_DEBUG, "Node %s became unreachable", n->name);
+ }
/* TODO: only clear status.validkey if node is unreachable? */
memset(&n->status, 0, sizeof(n)->status);
n->options = 0;
} else if(n->connection) {
- if(n->connection->outgoing)
+ if(n->connection->outgoing) {
send_req_key(mesh, n);
+ }
}
}
}