+
+void
+cache_dump_recursive(struct blob_buf *b, const char *name, uint16_t type, struct interface *iface)
+{
+ time_t now = monotonic_time();
+ for (struct cache_record *r = avl_find_ge_element(&records, name, r, avl);
+ r && !strcmp(r->record, name);
+ r = !avl_is_last(&records, &r->avl) ? avl_next_element(r, avl) : NULL) {
+ int32_t ttl = r->ttl - (now - r->time);
+ if (ttl <= 0 || (iface && iface->ifindex != r->iface->ifindex) ||
+ (type != TYPE_ANY && type != r->type))
+ continue;
+
+ const char *txt;
+ char buf[INET6_ADDRSTRLEN];
+ void *k = blobmsg_open_table(b, NULL), *l;
+ const struct dns_srv_data *dsd = (const struct dns_srv_data*)r->rdata;
+
+ blobmsg_add_string(b, "name", r->record);
+ blobmsg_add_string(b, "type", dns_type_string(r->type));
+ blobmsg_add_u32(b, "ttl", ttl);
+
+ switch (r->type) {
+ case TYPE_TXT:
+ if ((txt = r->txt) && strlen(txt)) {
+ l = blobmsg_open_array(b, "data");
+ do {
+ blobmsg_add_string(b, NULL, txt);
+ txt = &txt[strlen(txt) + 1];
+ } while (*txt);
+ blobmsg_close_array(b, l);
+ }
+ break;
+
+ case TYPE_SRV:
+ if (r->rdlength > sizeof(*dsd)) {
+ blobmsg_add_u32(b, "priority", be16_to_cpu(dsd->priority));
+ blobmsg_add_u32(b, "weight", be16_to_cpu(dsd->weight));
+ blobmsg_add_u32(b, "port", be16_to_cpu(dsd->port));
+ blobmsg_add_string(b, "target", (const char*)&dsd[1]);
+ }
+ break;
+
+ case TYPE_PTR:
+ if (r->rdlength > 0)
+ blobmsg_add_string(b, "target", (const char*)r->rdata);
+ break;
+
+ case TYPE_A:
+ if ((r->rdlength == 4) && inet_ntop(AF_INET, r->rdata, buf, sizeof(buf)))
+ blobmsg_add_string(b, "target", buf);
+ break;
+
+ case TYPE_AAAA:
+ if ((r->rdlength == 16) && inet_ntop(AF_INET6, r->rdata, buf, sizeof(buf)))
+ blobmsg_add_string(b, "target", buf);
+ break;
+ }
+
+ blobmsg_close_table(b, k);
+
+
+ if (r->type == TYPE_PTR) {
+ cache_dump_recursive(b, (const char*)r->rdata, TYPE_SRV, iface);
+ cache_dump_recursive(b, (const char*)r->rdata, TYPE_TXT, iface);
+ }
+
+ if (r->type == TYPE_SRV) {
+ cache_dump_recursive(b, (const char*)&dsd[1], TYPE_A, iface);
+ cache_dump_recursive(b, (const char*)&dsd[1], TYPE_AAAA, iface);
+ }
+ }
+}