+bool meshlink_whitelist_by_name(meshlink_handle_t *mesh, const char *name) {
+ if(!mesh || !name) {
+ meshlink_errno = MESHLINK_EINVAL;
+ return false;
+ }
+
+ pthread_mutex_lock(&mesh->mutex);
+
+ node_t *n = lookup_node(mesh, (char *)name);
+
+ if(!n) {
+ n = new_node();
+ n->name = xstrdup(name);
+ node_add(mesh, n);
+ }
+
+ if(!whitelist(mesh, (node_t *)n)) {
+ pthread_mutex_unlock(&mesh->mutex);
+ return false;
+ }
+
+ pthread_mutex_unlock(&mesh->mutex);
+
+ logger(mesh, MESHLINK_DEBUG, "Whitelisted %s.\n", name);
+ return true;
+}
+
+void meshlink_set_default_blacklist(meshlink_handle_t *mesh, bool blacklist) {
+ mesh->default_blacklist = blacklist;
+}
+
+bool meshlink_forget_node(meshlink_handle_t *mesh, meshlink_node_t *node) {
+ if(!mesh || !node) {
+ meshlink_errno = MESHLINK_EINVAL;
+ return false;
+ }
+
+ node_t *n = (node_t *)node;
+
+ pthread_mutex_lock(&mesh->mutex);
+
+ /* Check that the node is not reachable */
+ if(n->status.reachable || n->connection) {
+ pthread_mutex_unlock(&mesh->mutex);
+ logger(mesh, MESHLINK_WARNING, "Could not forget %s: still reachable", n->name);
+ return false;
+ }
+
+ /* Check that we don't have any active UTCP connections */
+ if(n->utcp && utcp_is_active(n->utcp)) {
+ pthread_mutex_unlock(&mesh->mutex);
+ logger(mesh, MESHLINK_WARNING, "Could not forget %s: active UTCP connections", n->name);
+ return false;
+ }
+
+ /* Check that we have no active connections to this node */
+ for list_each(connection_t, c, mesh->connections) {
+ if(c->node == n) {
+ pthread_mutex_unlock(&mesh->mutex);
+ logger(mesh, MESHLINK_WARNING, "Could not forget %s: active connection", n->name);
+ return false;
+ }
+ }
+
+ /* Remove any pending outgoings to this node */
+ if(mesh->outgoings) {
+ for list_each(outgoing_t, outgoing, mesh->outgoings) {
+ if(outgoing->node == n) {
+ list_delete_node(mesh->outgoings, node);
+ }
+ }
+ }
+
+ /* Delete the config file for this node */
+ if(!config_delete(mesh, "current", n->name)) {
+ pthread_mutex_unlock(&mesh->mutex);
+ return false;
+ }
+
+ /* Delete the node struct and any remaining edges referencing this node */
+ node_del(mesh, n);
+
+ pthread_mutex_unlock(&mesh->mutex);
+
+ return config_sync(mesh, "current");
+}
+
+/* Hint that a hostname may be found at an address
+ * See header file for detailed comment.
+ */
+void meshlink_hint_address(meshlink_handle_t *mesh, meshlink_node_t *node, const struct sockaddr *addr) {
+ if(!mesh || !node || !addr) {
+ meshlink_errno = EINVAL;
+ return;
+ }
+
+ pthread_mutex_lock(&mesh->mutex);
+
+ node_t *n = (node_t *)node;
+
+ if(node_add_recent_address(mesh, n, (sockaddr_t *)addr)) {
+ if(!node_write_config(mesh, n)) {
+ logger(mesh, MESHLINK_DEBUG, "Could not update %s\n", n->name);
+ }
+ }
+
+ pthread_mutex_unlock(&mesh->mutex);
+ // @TODO do we want to fire off a connection attempt right away?
+}
+
+static bool channel_pre_accept(struct utcp *utcp, uint16_t port) {
+ (void)port;
+ node_t *n = utcp->priv;
+ meshlink_handle_t *mesh = n->mesh;
+ return mesh->channel_accept_cb;
+}
+
+static void aio_signal(meshlink_handle_t *mesh, meshlink_channel_t *channel, meshlink_aio_buffer_t *aio) {
+ if(aio->data) {
+ if(aio->cb.buffer) {
+ aio->cb.buffer(mesh, channel, aio->data, aio->len, aio->priv);
+ }
+ } else {
+ if(aio->cb.fd) {
+ aio->cb.fd(mesh, channel, aio->fd, aio->done, aio->priv);
+ }
+ }
+}
+
+static ssize_t channel_recv(struct utcp_connection *connection, const void *data, size_t len) {
+ meshlink_channel_t *channel = connection->priv;
+
+ if(!channel) {
+ abort();
+ }
+
+ node_t *n = channel->node;
+ meshlink_handle_t *mesh = n->mesh;
+
+ if(n->status.destroyed) {
+ meshlink_channel_close(mesh, channel);
+ return len;
+ }
+
+ const char *p = data;
+ size_t left = len;
+
+ while(channel->aio_receive) {
+ meshlink_aio_buffer_t *aio = channel->aio_receive;
+ size_t todo = aio->len - aio->done;
+
+ if(todo > left) {
+ todo = left;
+ }
+
+ if(aio->data) {
+ memcpy((char *)aio->data + aio->done, p, todo);
+ } else {
+ ssize_t result = write(aio->fd, p, todo);
+
+ if(result > 0) {
+ todo = result;
+ }
+ }
+
+ aio->done += todo;
+
+ if(aio->done == aio->len) {
+ channel->aio_receive = aio->next;
+ aio_signal(mesh, channel, aio);
+ free(aio);
+ }
+
+ p += todo;
+ left -= todo;
+
+ if(!left && len) {
+ return len;
+ }
+ }
+
+ if(channel->receive_cb) {
+ channel->receive_cb(mesh, channel, p, left);
+ }
+
+ return len;
+}
+
+static void channel_accept(struct utcp_connection *utcp_connection, uint16_t port) {
+ node_t *n = utcp_connection->utcp->priv;
+
+ if(!n) {
+ abort();
+ }
+
+ meshlink_handle_t *mesh = n->mesh;
+
+ if(!mesh->channel_accept_cb) {
+ return;
+ }
+
+ meshlink_channel_t *channel = xzalloc(sizeof(*channel));
+ channel->node = n;
+ channel->c = utcp_connection;
+
+ if(mesh->channel_accept_cb(mesh, channel, port, NULL, 0)) {
+ utcp_accept(utcp_connection, channel_recv, channel);
+ } else {
+ free(channel);
+ }
+}
+
+static ssize_t channel_send(struct utcp *utcp, const void *data, size_t len) {
+ node_t *n = utcp->priv;
+
+ if(n->status.destroyed) {