#include "cache.h"
#include "util.h"
#include "dns.h"
+#include "interface.h"
static struct uloop_timeout cache_gc;
-struct avl_tree records, entries, hosts;
+struct avl_tree records, entries;
static void
cache_record_free(struct cache_record *r)
void
cache_scan(void)
{
+ struct interface *iface;
struct cache_entry *s;
- avl_for_each_element(&entries, s, avl)
- dns_send_question(&listener, s->entry, TYPE_PTR);
+ vlist_for_each_element(&interfaces, iface, node)
+ avl_for_each_element(&entries, s, avl)
+ dns_send_question(iface, s->entry, TYPE_PTR);
}
static struct cache_entry*
-cache_entry(struct uloop_fd *u, char *entry, int hlen, int ttl)
+cache_entry(struct interface *iface, char *entry, int hlen, int ttl)
{
struct cache_entry *s;
char *entry_buf;
avl_insert(&entries, &s->avl);
if (!hlen)
- dns_send_question(u, entry, TYPE_PTR);
+ dns_send_question(iface, entry, TYPE_PTR);
return s;
}
}
void
-cache_answer(struct uloop_fd *u, uint8_t *base, int blen, char *name, struct dns_answer *a, uint8_t *rdata)
+cache_answer(struct interface *iface, uint8_t *base, int blen, char *name, struct dns_answer *a, uint8_t *rdata)
{
struct dns_srv_data *dsd = (struct dns_srv_data *) rdata;
struct cache_record *r;
void *rdata_ptr, *txt_ptr;
int host_len = 0;
+ static char rdata_buffer[MAX_DATA_LEN + 1];
+
if (!(a->class & CLASS_IN))
return;
nlen + 1 < rdlength && !strcmp(rdata_buffer + rdlength - nlen, name))
host_len = rdlength - nlen - 1;
- cache_entry(u, rdata_buffer, host_len, a->ttl);
+ cache_entry(iface, rdata_buffer, host_len, a->ttl);
return;
case TYPE_SRV:
break;
case TYPE_A:
- cache_entry(u, name, strlen(name), a->ttl);
+ cache_entry(iface, name, strlen(name), a->ttl);
if (a->rdlength != 4)
return;
dlen = 4;
break;
case TYPE_AAAA:
- cache_entry(u, name, strlen(name), a->ttl);
+ cache_entry(iface, name, strlen(name), a->ttl);
if (a->rdlength != 16)
return;
dlen = 16;
else
DBG(1, "A -> %s %s ttl:%d\n", dns_type_string(r->type), r->record, r->ttl);
}
+
+void
+cache_dump_records(struct blob_buf *buf, const char *name)
+{
+ struct cache_record *r, *q = avl_find_element(&records, name, r, avl);
+ const char *txt;
+ char buffer[MAX_NAME_LEN];
+
+ if (!q)
+ return;
+
+ do {
+ r = q;
+ switch (r->type) {
+ case TYPE_TXT:
+ if (r->txt && strlen(r->txt)) {
+ txt = r->txt;
+ do {
+ blobmsg_add_string(buf, "txt", txt);
+ txt = &txt[strlen(txt) + 1];
+ } while (*txt);
+ }
+ break;
+
+ case TYPE_SRV:
+ if (r->port)
+ blobmsg_add_u32(buf, "port", r->port);
+ break;
+
+ case TYPE_A:
+ if ((r->rdlength == 4) && inet_ntop(AF_INET, r->rdata, buffer, INET6_ADDRSTRLEN))
+ blobmsg_add_string(buf, "ipv4", buffer);
+ break;
+
+ case TYPE_AAAA:
+ if ((r->rdlength == 16) && inet_ntop(AF_INET6, r->rdata, buffer, INET6_ADDRSTRLEN))
+ blobmsg_add_string(buf, "ipv6", buffer);
+ break;
+ }
+ q = avl_next_element(r, avl);
+ } while (q && !strcmp(r->record, q->record));
+}