struct cache_record *r, *p;
struct cache_service *s, *t;
- avl_for_each_element_safe(&records, r, avl, p)
- if (cache_is_expired(r->time, r->ttl, 100))
+ avl_for_each_element_safe(&records, r, avl, p) {
+ if (!cache_is_expired(r->time, r->ttl, r->refresh))
+ continue;
+ /* Records other than A(AAA) are handled as services */
+ if (r->type != TYPE_A && r->type != TYPE_AAAA) {
+ if (cache_is_expired(r->time, r->ttl, 100))
+ cache_record_free(r);
+ continue;
+ }
+ if (r->refresh >= 100) {
cache_record_free(r);
+ continue;
+ }
+ r->refresh += 50;
+ dns_send_question(r->iface, r->record, r->type, 0);
+ }
avl_for_each_element_safe(&services, s, avl, t) {
if (!s->host)
continue;
}
s->refresh += 50;
- if (cache_service_is_host(s)) {
- dns_send_question(s->iface, s->entry, TYPE_A, 0);
- dns_send_question(s->iface, s->entry, TYPE_AAAA, 0);
- } else {
- dns_send_question(s->iface, s->entry, TYPE_PTR, 0);
- }
+ dns_send_question(s->iface, s->entry, TYPE_PTR, 0);
}
uloop_timeout_set(timeout, 10000);
nlen + 1 < rdlength && !strcmp(rdata_buffer + rdlength - nlen, name))
host_len = rdlength - nlen - 1;
- cache_service(iface, rdata_buffer, host_len, a->ttl);
+ if (name[0] == '_')
+ cache_service(iface, rdata_buffer, host_len, a->ttl);
dlen = strlen(rdata_buffer) + 1;
rdata = (uint8_t*)rdata_buffer;
break;
case TYPE_A:
- cache_service(iface, name, strlen(name), a->ttl);
if (a->rdlength != 4)
return;
dlen = 4;
break;
case TYPE_AAAA:
- cache_service(iface, name, strlen(name), a->ttl);
if (a->rdlength != 16)
return;
dlen = 16;
if (!a->ttl) {
DBG(1, "D -> %s %s ttl:%d\n", dns_type_string(r->type), r->record, r->ttl);
r->time = now + 1 - r->ttl;
+ r->refresh = 100;
} else {
r->ttl = a->ttl;
r->time = now;
+ r->refresh = 50;
DBG(1, "A -> %s %s ttl:%d\n", dns_type_string(r->type), r->record, r->ttl);
}
return;
r->rdlength = dlen;
r->time = now;
r->iface = iface;
+ r->refresh = 50;
if (tlen)
r->txt = memcpy(txt_ptr, rdata_buffer, tlen);