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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 | ||
322345fd | 24 | #include "hashmap.h" |
71d35b6b | 25 | #include "list.h" |
322345fd LP |
26 | #include "prioq.h" |
27 | #include "time-util.h" | |
322345fd | 28 | |
322345fd | 29 | typedef struct DnsCache { |
7e8e0422 LP |
30 | Hashmap *by_key; |
31 | Prioq *by_expiry; | |
a150ff5e LP |
32 | unsigned n_hit; |
33 | unsigned n_miss; | |
322345fd LP |
34 | } DnsCache; |
35 | ||
faa133f3 | 36 | #include "resolved-dns-answer.h" |
7778dfff | 37 | #include "resolved-dns-packet.h" |
71d35b6b TA |
38 | #include "resolved-dns-question.h" |
39 | #include "resolved-dns-rr.h" | |
322345fd | 40 | |
322345fd LP |
41 | void dns_cache_flush(DnsCache *c); |
42 | void dns_cache_prune(DnsCache *c); | |
43 | ||
d3760be0 | 44 | int dns_cache_put(DnsCache *c, DnsResourceKey *key, int rcode, DnsAnswer *answer, bool authenticated, uint32_t nsec_ttl, usec_t timestamp, int owner_family, const union in_addr_union *owner_address); |
931851e8 | 45 | int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **answer, bool *authenticated); |
a4076574 LP |
46 | |
47 | int dns_cache_check_conflicts(DnsCache *cache, DnsResourceRecord *rr, int owner_family, const union in_addr_union *owner_address); | |
4d506d6b LP |
48 | |
49 | void dns_cache_dump(DnsCache *cache, FILE *f); | |
50 | bool dns_cache_is_empty(DnsCache *cache); | |
7778dfff | 51 | |
a150ff5e LP |
52 | unsigned dns_cache_size(DnsCache *cache); |
53 | ||
7778dfff | 54 | int dns_cache_export_shared_to_packet(DnsCache *cache, DnsPacket *p); |