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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
typedef struct DnsAnswer DnsAnswer;
typedef struct DnsAnswerItem DnsAnswerItem;
#include "resolved-dns-rr.h"
/* A simple array of resource records. We keep track of the
* originating ifindex for each RR where that makes sense, so that we
* can qualify A and AAAA RRs referring to a local link with the
* right ifindex. */
struct DnsAnswerItem {
DnsResourceRecord *rr;
int ifindex;
};
struct DnsAnswer {
unsigned n_ref;
unsigned n_rrs, n_allocated;
DnsAnswerItem items[0];
};
DnsAnswer *dns_answer_new(unsigned n);
DnsAnswer *dns_answer_ref(DnsAnswer *a);
DnsAnswer *dns_answer_unref(DnsAnswer *a);
int dns_answer_add(DnsAnswer *a, DnsResourceRecord *rr, int ifindex);
int dns_answer_add_soa(DnsAnswer *a, const char *name, uint32_t ttl);
int dns_answer_contains(DnsAnswer *a, DnsResourceKey *key);
int dns_answer_match_soa(DnsResourceKey *key, DnsResourceKey *soa);
int dns_answer_find_soa(DnsAnswer *a, DnsResourceKey *key, DnsResourceRecord **ret);
DnsAnswer *dns_answer_merge(DnsAnswer *a, DnsAnswer *b);
void dns_answer_order_by_scope(DnsAnswer *a, bool prefer_link_local);
int dns_answer_reserve(DnsAnswer **a, unsigned n_free);
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsAnswer*, dns_answer_unref);
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