[thirdparty/systemd.git] / src / resolve / resolved-dns-cache.h

/*-*- 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 DnsCache {
        Hashmap *by_key;
        Prioq *by_expiry;
} DnsCache;

#include "resolved-dns-rr.h"
#include "resolved-dns-question.h"
#include "resolved-dns-answer.h"

void dns_cache_flush(DnsCache *c);
void dns_cache_prune(DnsCache *c);

int dns_cache_put(DnsCache *c, DnsQuestion *q, int rcode, DnsAnswer *answer, unsigned max_rrs, usec_t timestamp, int owner_family, const union in_addr_union *owner_address);
int dns_cache_lookup(DnsCache *c, DnsQuestion *q, int *rcode, DnsAnswer **answer);

int dns_cache_check_conflicts(DnsCache *cache, DnsResourceRecord *rr, int owner_family, const union in_addr_union *owner_address);
Commit	Line	Data
322345fd LP	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	#include <sys/types.h>
	25
	26	#include "hashmap.h"
	27	#include "prioq.h"
	28	#include "time-util.h"
	29	#include "list.h"
	30
322345fd	31	typedef struct DnsCache {
7e8e0422 LP	32	Hashmap *by_key;
7e8e0422 LP	33	Prioq *by_expiry;
322345fd LP	34	} DnsCache;
	35
	36	#include "resolved-dns-rr.h"
faa133f3 LP	37	#include "resolved-dns-question.h"
faa133f3 LP	38	#include "resolved-dns-answer.h"
322345fd	39
322345fd LP	40	void dns_cache_flush(DnsCache *c);
	41	void dns_cache_prune(DnsCache *c);
	42
a4076574	43	int dns_cache_put(DnsCache c, DnsQuestion q, int rcode, DnsAnswer answer, unsigned max_rrs, usec_t timestamp, int owner_family, const union in_addr_union owner_address);
7e8e0422	44	int dns_cache_lookup(DnsCache c, DnsQuestion q, int rcode, DnsAnswer *answer);
a4076574 LP	45
a4076574 LP	46	int dns_cache_check_conflicts(DnsCache cache, DnsResourceRecord rr, int owner_family, const union in_addr_union *owner_address);