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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 "list.h" | |
25 | ||
26 | typedef struct DnsScope DnsScope; | |
27 | ||
28 | #include "resolved-dns-cache.h" | |
29 | #include "resolved-dns-packet.h" | |
30 | #include "resolved-dns-server.h" | |
31 | #include "resolved-dns-zone.h" | |
32 | #include "resolved-link.h" | |
33 | ||
34 | typedef enum DnsScopeMatch { | |
35 | DNS_SCOPE_NO, | |
36 | DNS_SCOPE_MAYBE, | |
37 | DNS_SCOPE_YES, | |
38 | _DNS_SCOPE_MATCH_MAX, | |
39 | _DNS_SCOPE_INVALID = -1 | |
40 | } DnsScopeMatch; | |
41 | ||
42 | struct DnsScope { | |
43 | Manager *manager; | |
44 | ||
45 | DnsProtocol protocol; | |
46 | int family; | |
47 | ||
48 | Link *link; | |
49 | ||
50 | DnsCache cache; | |
51 | DnsZone zone; | |
52 | ||
53 | OrderedHashmap *conflict_queue; | |
54 | sd_event_source *conflict_event_source; | |
55 | ||
56 | RateLimit ratelimit; | |
57 | ||
58 | usec_t resend_timeout; | |
59 | usec_t max_rtt; | |
60 | ||
61 | Hashmap *transactions; | |
62 | ||
63 | LIST_FIELDS(DnsScope, scopes); | |
64 | }; | |
65 | ||
66 | int dns_scope_new(Manager *m, DnsScope **ret, Link *l, DnsProtocol p, int family); | |
67 | DnsScope* dns_scope_free(DnsScope *s); | |
68 | ||
69 | void dns_scope_packet_received(DnsScope *s, usec_t rtt); | |
70 | void dns_scope_packet_lost(DnsScope *s, usec_t usec); | |
71 | ||
72 | int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p); | |
73 | int dns_scope_tcp_socket(DnsScope *s, int family, const union in_addr_union *address, uint16_t port, DnsServer **server); | |
74 | int dns_scope_udp_dns_socket(DnsScope *s, DnsServer **server); | |
75 | ||
76 | DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, const char *domain); | |
77 | int dns_scope_good_key(DnsScope *s, DnsResourceKey *key); | |
78 | ||
79 | DnsServer *dns_scope_get_dns_server(DnsScope *s); | |
80 | void dns_scope_next_dns_server(DnsScope *s); | |
81 | ||
82 | int dns_scope_llmnr_membership(DnsScope *s, bool b); | |
83 | ||
84 | void dns_scope_process_query(DnsScope *s, DnsStream *stream, DnsPacket *p); | |
85 | ||
86 | DnsTransaction *dns_scope_find_transaction(DnsScope *scope, DnsResourceKey *key, bool cache_ok); | |
87 | ||
88 | int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr); | |
89 | void dns_scope_check_conflicts(DnsScope *scope, DnsPacket *p); | |
90 | ||
91 | void dns_scope_dump(DnsScope *s, FILE *f); | |
92 | ||
93 | DnsSearchDomain *dns_scope_get_search_domains(DnsScope *s); |