+void broadcast_submesh_meta(meshlink_handle_t *mesh, connection_t *from, submesh_t *s, const char *buffer, int length) {
+ assert(buffer);
+ assert(length);
+
+ for list_each(connection_t, c, mesh->connections)
+ if(c != from && c->status.active) {
+ if(c->node && submesh_allows_node(s, c->node)) {
+ send_meta(mesh, c, buffer, length);
+ }
+ }
+}
+
+bool receive_meta_sptps(void *handle, uint8_t type, const void *data, uint16_t length) {
+ assert(handle);
+ assert(!length || data);
+
+ connection_t *c = handle;
+ meshlink_handle_t *mesh = c->mesh;
+ char *request = (char *)data;
+
+ if(!c) {
+ logger(mesh, MESHLINK_ERROR, "receive_meta_sptps() called with NULL pointer!");
+ abort();
+ }
+
+ if(type == SPTPS_HANDSHAKE) {
+ if(c->allow_request == ACK) {
+ return send_ack(mesh, c);
+ } else {
+ return true;
+ }
+ }
+
+ if(!request) {
+ return true;
+ }