}
void init_nodes(meshlink_handle_t *mesh) {
- pthread_mutex_lock(&(mesh->nodes_mutex));
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));
- pthread_mutex_unlock(&(mesh->nodes_mutex));
}
void exit_nodes(meshlink_handle_t *mesh) {
- pthread_mutex_lock(&(mesh->nodes_mutex));
- if(mesh->node_udp_cache)
+ if(mesh->node_udp_cache) {
hash_free(mesh->node_udp_cache);
- if(mesh->nodes)
+ }
+
+ if(mesh->nodes) {
splay_delete_tree(mesh->nodes);
+ }
+
mesh->node_udp_cache = NULL;
mesh->nodes = NULL;
- pthread_mutex_unlock(&(mesh->nodes_mutex));
}
node_t *new_node(void) {
- node_t *n = xzalloc(sizeof *n);
+ node_t *n = xzalloc(sizeof(*n));
- if(replaywin) n->late = xzalloc(replaywin);
n->edge_tree = new_edge_tree();
n->mtu = MTU;
n->maxmtu = MTU;
+ n->devclass = DEV_CLASS_UNKNOWN;
return n;
}
void free_node(node_t *n) {
- if(n->edge_tree)
+ n->status.destroyed = true;
+
+ utcp_exit(n->utcp);
+
+ if(n->edge_tree) {
free_edge_tree(n->edge_tree);
+ }
sockaddrfree(&n->address);
ecdsa_free(n->ecdsa);
sptps_stop(&n->sptps);
- if(n->mtutimeout.cb)
+ if(n->mtutimeout.cb) {
abort();
+ }
- if(n->hostname)
- free(n->hostname);
-
- if(n->name)
- free(n->name);
-
- if(n->late)
- free(n->late);
+ free(n->name);
+ free(n->canonical_address);
free(n);
}
void node_add(meshlink_handle_t *mesh, node_t *n) {
- pthread_mutex_lock(&(mesh->nodes_mutex));
n->mesh = mesh;
splay_insert(mesh->nodes, n);
- pthread_mutex_unlock(&(mesh->nodes_mutex));
}
void node_del(meshlink_handle_t *mesh, node_t *n) {
- pthread_mutex_lock(&(mesh->nodes_mutex));
timeout_del(&mesh->loop, &n->mtutimeout);
- for splay_each(edge_t, e, n->edge_tree)
+ for splay_each(edge_t, e, n->edge_tree) {
edge_del(mesh, e);
+ }
splay_delete(mesh->nodes, n);
- pthread_mutex_unlock(&(mesh->nodes_mutex));
}
node_t *lookup_node(meshlink_handle_t *mesh, const char *name) {
const node_t n = {.name = (char *)name};
node_t *result;
- pthread_mutex_lock(&(mesh->nodes_mutex));
result = splay_search(mesh->nodes, &n);
- pthread_mutex_unlock(&(mesh->nodes_mutex));
return result;
}
void update_node_udp(meshlink_handle_t *mesh, node_t *n, const sockaddr_t *sa) {
if(n == mesh->self) {
- logger(DEBUG_ALWAYS, LOG_WARNING, "Trying to update UDP address of mesh->self!");
+ logger(mesh, MESHLINK_WARNING, "Trying to update UDP address of mesh->self!");
return;
}
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);
- free(n->hostname);
- n->hostname = sockaddr2hostname(&n->address);
- logger(DEBUG_PROTOCOL, LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname);
+
+ 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;
+ int i;
+
+ /* Check if we already know this address */
+ for(i = 0; i < MAX_RECENT && n->recent[i].sa.sa_family; i++) {
+ if(!sockaddrcmp(&n->recent[i], sa)) {
+ found = true;
+ break;
+ }
}
+
+ if(found && i == 0) {
+ /* It's already the most recent address, nothing to do. */
+ return false;
+ }
+
+ if(i >= MAX_RECENT) {
+ i = MAX_RECENT - 1;
+ }
+
+ memmove(n->recent + 1, n->recent, i * sizeof(*n->recent));
+ memcpy(n->recent, sa, SALEN(sa->sa));
+
+ n->status.dirty = true;
+ return !found;
}