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623a4c97 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 "hashmap.h" | |
25 | ||
26 | typedef struct DnsZone { | |
27 | Hashmap *by_key; | |
28 | Hashmap *by_name; | |
29 | } DnsZone; | |
30 | ||
ec2c5e43 LP |
31 | typedef struct DnsZoneItem DnsZoneItem; |
32 | typedef enum DnsZoneItemState DnsZoneItemState; | |
33 | ||
623a4c97 LP |
34 | #include "resolved-dns-rr.h" |
35 | #include "resolved-dns-question.h" | |
36 | #include "resolved-dns-answer.h" | |
ec2c5e43 LP |
37 | #include "resolved-dns-transaction.h" |
38 | ||
39 | /* RFC 4795 Section 2.8. suggests a TTL of 30s by default */ | |
40 | #define LLMNR_DEFAULT_TTL (30) | |
41 | ||
42 | enum DnsZoneItemState { | |
43 | DNS_ZONE_ITEM_PROBING, | |
44 | DNS_ZONE_ITEM_ESTABLISHED, | |
45 | DNS_ZONE_ITEM_VERIFYING, | |
46 | DNS_ZONE_ITEM_WITHDRAWN, | |
47 | }; | |
48 | ||
49 | struct DnsZoneItem { | |
50 | DnsScope *scope; | |
51 | DnsResourceRecord *rr; | |
52 | ||
53 | DnsZoneItemState state; | |
54 | ||
55 | unsigned block_ready; | |
56 | ||
57 | bool probing_enabled; | |
58 | ||
59 | LIST_FIELDS(DnsZoneItem, by_key); | |
60 | LIST_FIELDS(DnsZoneItem, by_name); | |
61 | ||
62 | DnsTransaction *probe_transaction; | |
63 | }; | |
623a4c97 LP |
64 | |
65 | void dns_zone_flush(DnsZone *z); | |
66 | ||
ec2c5e43 | 67 | int dns_zone_put(DnsZone *z, DnsScope *s, DnsResourceRecord *rr, bool probe); |
623a4c97 LP |
68 | void dns_zone_remove_rr(DnsZone *z, DnsResourceRecord *rr); |
69 | ||
ec2c5e43 | 70 | int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **answer, DnsAnswer **soa, bool *tentative); |
57f5ad31 | 71 | |
ec2c5e43 LP |
72 | void dns_zone_item_conflict(DnsZoneItem *i); |
73 | void dns_zone_item_ready(DnsZoneItem *i); |