+ pthread_mutex_unlock(&mesh->mutex);
+
+ return result;
+}
+
+void devtool_get_node_status(meshlink_handle_t *mesh, meshlink_node_t *node, devtool_node_status_t *status) {
+ if(!mesh || !node || !status) {
+ meshlink_errno = MESHLINK_EINVAL;
+ return;
+ }
+
+ node_t *internal = (node_t *)node;
+
+ pthread_mutex_lock(&mesh->mutex);
+
+ memcpy(&status->status, &internal->status, sizeof status->status);
+ memcpy(&status->address, &internal->address, sizeof status->address);
+ status->mtu = internal->mtu;
+ status->minmtu = internal->minmtu;
+ status->maxmtu = internal->maxmtu;
+ status->mtuprobes = internal->mtuprobes;
+ status->in_packets = internal->in_packets;
+ status->in_bytes = internal->in_bytes;
+ status->out_packets = internal->out_packets;
+ status->out_bytes = internal->out_bytes;
+
+ // Derive UDP connection status
+ if(internal == mesh->self) {
+ status->udp_status = DEVTOOL_UDP_WORKING;
+ } else if(!internal->status.reachable) {
+ status->udp_status = DEVTOOL_UDP_IMPOSSIBLE;
+ } else if(!internal->status.validkey) {
+ status->udp_status = DEVTOOL_UDP_UNKNOWN;
+ } else if(internal->status.udp_confirmed) {
+ status->udp_status = DEVTOOL_UDP_WORKING;
+ } else if(internal->mtuprobes > 30) {
+ status->udp_status = DEVTOOL_UDP_FAILED;
+ } else if(internal->mtuprobes > 0) {
+ status->udp_status = DEVTOOL_UDP_TRYING;
+ } else {
+ status->udp_status = DEVTOOL_UDP_UNKNOWN;
+ }
+
+ pthread_mutex_unlock(&mesh->mutex);
+}
+
+meshlink_submesh_t **devtool_get_all_submeshes(meshlink_handle_t *mesh, meshlink_submesh_t **submeshes, size_t *nmemb) {
+ if(!mesh || !nmemb || (*nmemb && !submeshes)) {
+ meshlink_errno = MESHLINK_EINVAL;
+ return NULL;
+ }
+
+ meshlink_submesh_t **result;
+
+ //lock mesh->nodes
+ pthread_mutex_lock(&mesh->mutex);
+
+ *nmemb = mesh->submeshes->count;
+ result = realloc(submeshes, *nmemb * sizeof(*submeshes));
+
+ if(result) {
+ meshlink_submesh_t **p = result;
+
+ for list_each(submesh_t, s, mesh->submeshes) {
+ *p++ = (meshlink_submesh_t *)s;
+ }
+ } else {
+ *nmemb = 0;
+ free(submeshes);
+ meshlink_errno = MESHLINK_ENOMEM;
+ }
+
+ pthread_mutex_unlock(&mesh->mutex);