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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2014 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | typedef struct DnsAnswer DnsAnswer; | |
78c6a153 | 25 | typedef struct DnsAnswerItem DnsAnswerItem; |
faa133f3 LP |
26 | |
27 | #include "resolved-dns-rr.h" | |
28 | ||
78c6a153 LP |
29 | /* A simple array of resource records. We keep track of the |
30 | * originating ifindex for each RR where that makes sense, so that we | |
31 | * can qualify A and AAAA RRs referring to a local link with the | |
32 | * right ifindex. */ | |
33 | ||
34 | struct DnsAnswerItem { | |
35 | DnsResourceRecord *rr; | |
36 | int ifindex; | |
37 | }; | |
faa133f3 LP |
38 | |
39 | struct DnsAnswer { | |
40 | unsigned n_ref; | |
41 | unsigned n_rrs, n_allocated; | |
78c6a153 | 42 | DnsAnswerItem items[0]; |
faa133f3 LP |
43 | }; |
44 | ||
45 | DnsAnswer *dns_answer_new(unsigned n); | |
46 | DnsAnswer *dns_answer_ref(DnsAnswer *a); | |
47 | DnsAnswer *dns_answer_unref(DnsAnswer *a); | |
48 | ||
78c6a153 | 49 | int dns_answer_add(DnsAnswer *a, DnsResourceRecord *rr, int ifindex); |
57f5ad31 | 50 | int dns_answer_add_soa(DnsAnswer *a, const char *name, uint32_t ttl); |
7e8e0422 | 51 | int dns_answer_contains(DnsAnswer *a, DnsResourceKey *key); |
5eefe544 | 52 | int dns_answer_match_soa(DnsResourceKey *key, DnsResourceKey *soa); |
7e8e0422 | 53 | int dns_answer_find_soa(DnsAnswer *a, DnsResourceKey *key, DnsResourceRecord **ret); |
faa133f3 | 54 | |
934e9b10 | 55 | DnsAnswer *dns_answer_merge(DnsAnswer *a, DnsAnswer *b); |
af93291c | 56 | void dns_answer_order_by_scope(DnsAnswer *a, bool prefer_link_local); |
934e9b10 | 57 | |
78c6a153 LP |
58 | int dns_answer_reserve(DnsAnswer **a, unsigned n_free); |
59 | ||
faa133f3 | 60 | DEFINE_TRIVIAL_CLEANUP_FUNC(DnsAnswer*, dns_answer_unref); |