void init_nodes(meshlink_handle_t *mesh) {
mesh->nodes = splay_alloc_tree((splay_compare_t) node_compare, (splay_action_t) free_node);
- mesh->node_udp_cache = hash_alloc(0x100, sizeof(sockaddr_t));
}
void exit_nodes(meshlink_handle_t *mesh) {
- if(mesh->node_udp_cache) {
- hash_free(mesh->node_udp_cache);
- }
-
if(mesh->nodes) {
splay_delete_tree(mesh->nodes);
}
- mesh->node_udp_cache = NULL;
mesh->nodes = NULL;
}
node_t *new_node(void) {
node_t *n = xzalloc(sizeof(*n));
- n->edge_tree = new_edge_tree();
n->mtu = MTU;
n->maxmtu = MTU;
n->devclass = DEV_CLASS_UNKNOWN;
utcp_exit(n->utcp);
- if(n->edge_tree) {
- free_edge_tree(n->edge_tree);
- }
-
sockaddrfree(&n->address);
ecdsa_free(n->ecdsa);
void node_del(meshlink_handle_t *mesh, node_t *n) {
timeout_del(&mesh->loop, &n->mtutimeout);
-
- for splay_each(edge_t, e, n->edge_tree) {
- edge_del(mesh, e);
- }
-
splay_delete(mesh->nodes, n);
}
return result;
}
-node_t *lookup_node_udp(meshlink_handle_t *mesh, const sockaddr_t *sa) {
- return hash_search(mesh->node_udp_cache, sa);
-}
-
-void update_node_udp(meshlink_handle_t *mesh, node_t *n, const sockaddr_t *sa) {
- if(n == mesh->self) {
- logger(mesh, MESHLINK_WARNING, "Trying to update UDP address of mesh->self!");
- return;
- }
-
- hash_insert(mesh->node_udp_cache, &n->address, NULL);
-
- if(sa) {
- n->address = *sa;
- n->sock = 0;
-
- for(int i = 0; i < mesh->listen_sockets; i++) {
- if(mesh->listen_socket[i].sa.sa.sa_family == sa->sa.sa_family) {
- n->sock = i;
- break;
- }
- }
-
- hash_insert(mesh->node_udp_cache, sa, n);
-
- node_add_recent_address(mesh, n, sa);
-
- if(mesh->log_level <= MESHLINK_DEBUG) {
- char *hostname = sockaddr2hostname(&n->address);
- logger(mesh, MESHLINK_DEBUG, "UDP address of %s set to %s", n->name, hostname);
- free(hostname);
- }
- }
-}
-
bool node_add_recent_address(meshlink_handle_t *mesh, node_t *n, const sockaddr_t *sa) {
(void)mesh;
bool found = false;