along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include "siphash24.h"
+
#include "resolved-dns-server.h"
int dns_server_new(
* we used so far was a fallback one? Then let's try to pick
* the new one */
if (type != DNS_SERVER_FALLBACK &&
- s->manager->current_dns_server &&
- s->manager->current_dns_server->type == DNS_SERVER_FALLBACK)
- manager_set_dns_server(s->manager, NULL);
+ m->current_dns_server &&
+ m->current_dns_server->type == DNS_SERVER_FALLBACK)
+ manager_set_dns_server(m, NULL);
if (ret)
*ret = s;
LIST_REMOVE(servers, s->manager->fallback_dns_servers, s);
else
assert_not_reached("Unknown server type");
+
+ if (s->manager->current_dns_server == s)
+ manager_set_dns_server(s->manager, NULL);
}
if (s->link && s->link->current_dns_server == s)
link_set_dns_server(s->link, NULL);
- if (s->manager && s->manager->current_dns_server == s)
- manager_set_dns_server(s->manager, NULL);
-
free(s);
return NULL;
}
+
+static unsigned long dns_server_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) {
+ const DnsServer *s = p;
+ uint64_t u;
+
+ siphash24((uint8_t*) &u, &s->address, FAMILY_ADDRESS_SIZE(s->family), hash_key);
+ u = u * hash_key[0] + u + s->family;
+
+ return u;
+}
+
+static int dns_server_compare_func(const void *a, const void *b) {
+ const DnsServer *x = a, *y = b;
+
+ if (x->family < y->family)
+ return -1;
+ if (x->family > y->family)
+ return 1;
+
+ return memcmp(&x->address, &y->address, FAMILY_ADDRESS_SIZE(x->family));
+}
+
+const struct hash_ops dns_server_hash_ops = {
+ .hash = dns_server_hash_func,
+ .compare = dns_server_compare_func
+};