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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/>.
***/
#include <sys/types.h>
#include "hashmap.h"
#include "prioq.h"
#include "time-util.h"
#include "list.h"
typedef struct DnsCacheItem DnsCacheItem;
typedef struct DnsCache {
Hashmap *rrsets;
Prioq *expire;
} DnsCache;
#include "resolved-dns-rr.h"
#include "resolved-dns-question.h"
#include "resolved-dns-answer.h"
typedef struct DnsCacheItem {
DnsResourceRecord *rr;
usec_t timestamp;
unsigned expire_prioq_idx;
LIST_FIELDS(DnsCacheItem, rrsets);
} DnsCacheItem;
void dns_cache_flush(DnsCache *c);
void dns_cache_prune(DnsCache *c);
void dns_cache_remove(DnsCache *c, DnsResourceKey *key);
int dns_cache_put(DnsCache *c, DnsResourceRecord *rr, usec_t timestamp);
int dns_cache_put_answer(DnsCache *c, DnsAnswer *answer, usec_t timestamp);
int dns_cache_lookup(DnsCache *c, DnsQuestion *q, DnsAnswer **ret);
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