+bool send_meta_sptps(void *handle, uint8_t type, const void *buffer, size_t length) {
+ (void)type;
+
+ assert(handle);
+ assert(buffer);
+ assert(length);
+
+ connection_t *c = handle;
+ meshlink_handle_t *mesh = c->mesh;
+
+ buffer_add(&c->outbuf, (const char *)buffer, length);
+ io_set(&mesh->loop, &c->io, IO_READ | IO_WRITE);
+
+ return true;
+}
+
+bool send_meta(meshlink_handle_t *mesh, connection_t *c, const char *buffer, int length) {
+ assert(c);
+ assert(buffer);
+ assert(length >= 0);
+
+ logger(mesh, MESHLINK_DEBUG, "Sending %d bytes of metadata to %s", length, c->name);
+
+ if(c->allow_request == ID) {
+ buffer_add(&c->outbuf, buffer, length);
+ io_set(&mesh->loop, &c->io, IO_READ | IO_WRITE);
+ return true;
+ }
+
+ return sptps_send_record(&c->sptps, 0, buffer, length);
+}
+
+void broadcast_meta(meshlink_handle_t *mesh, connection_t *from, const char *buffer, int length) {
+ assert(buffer);
+ assert(length);
+
+ for list_each(connection_t, c, mesh->connections)
+ if(c != from && c->status.active && !(c->flags & PROTOCOL_TINY)) {
+ send_meta(mesh, c, buffer, length);
+ }
+}
+
+void broadcast_submesh_meta(meshlink_handle_t *mesh, connection_t *from, const 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 && !(c->flags & PROTOCOL_TINY)) {
+ 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;
+