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resolved: change query flag definitions
[thirdparty/systemd.git] / src / resolve / resolved-dns-query.h
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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
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24
25#include "sd-bus.h"
71d35b6b 26
faa133f3 27#include "set.h"
74b2466e 28
801ad6a6 29typedef struct DnsQueryCandidate DnsQueryCandidate;
74b2466e 30typedef struct DnsQuery DnsQuery;
74b2466e 31
faa133f3 32#include "resolved-dns-answer.h"
71d35b6b 33#include "resolved-dns-question.h"
623a4c97 34#include "resolved-dns-stream.h"
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35#include "resolved-dns-search-domain.h"
36
37struct DnsQueryCandidate {
38 DnsQuery *query;
39 DnsScope *scope;
40
41 DnsSearchDomain *search_domain;
42
43 int error_code;
44 Set *transactions;
45
46 LIST_FIELDS(DnsQueryCandidate, candidates_by_query);
47 LIST_FIELDS(DnsQueryCandidate, candidates_by_scope);
48};
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49
50struct DnsQuery {
51 Manager *manager;
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52
53 /* When resolving a service, we first create a TXT+SRV query,
54 * and then for the hostnames we discover auxiliary A+AAAA
55 * queries. This pointer always points from the auxiliary
56 * queries back to the TXT+SRV query. */
57 DnsQuery *auxiliary_for;
58 LIST_HEAD(DnsQuery, auxiliary_queries);
59 unsigned n_auxiliary_queries;
60 int auxiliary_result;
61
faa133f3 62 DnsQuestion *question;
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63 uint64_t flags;
64 int ifindex;
65
ec2c5e43 66 DnsTransactionState state;
faa133f3 67 unsigned n_cname_redirects;
74b2466e 68
801ad6a6 69 LIST_HEAD(DnsQueryCandidate, candidates);
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70 sd_event_source *timeout_event_source;
71
322345fd 72 /* Discovered data */
faa133f3 73 DnsAnswer *answer;
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74 int answer_family;
75 DnsProtocol answer_protocol;
faa133f3 76 int answer_rcode;
801ad6a6 77 DnsSearchDomain *answer_search_domain;
74b2466e 78
8ba9fd9c 79 /* Bus client information */
74b2466e 80 sd_bus_message *request;
0dd25fb9 81 int request_family;
45ec7efb 82 bool request_address_valid;
74b2466e 83 union in_addr_union request_address;
45ec7efb 84 unsigned block_all_complete;
74b2466e 85
322345fd 86 /* Completion callback */
74b2466e 87 void (*complete)(DnsQuery* q);
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88 unsigned block_ready;
89
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90 sd_bus_track *bus_track;
91
74b2466e 92 LIST_FIELDS(DnsQuery, queries);
45ec7efb 93 LIST_FIELDS(DnsQuery, auxiliary_queries);
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94};
95
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96DnsQueryCandidate* dns_query_candidate_free(DnsQueryCandidate *c);
97void dns_query_candidate_ready(DnsQueryCandidate *c);
98
51323288 99int dns_query_new(Manager *m, DnsQuery **q, DnsQuestion *question, int family, uint64_t flags);
74b2466e 100DnsQuery *dns_query_free(DnsQuery *q);
322345fd 101
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102int dns_query_make_auxiliary(DnsQuery *q, DnsQuery *auxiliary_for);
103
322345fd 104int dns_query_go(DnsQuery *q);
faa133f3 105void dns_query_ready(DnsQuery *q);
74b2466e 106
45ec7efb 107int dns_query_process_cname(DnsQuery *q);
74b2466e 108
966c66e3 109int dns_query_bus_track(DnsQuery *q, sd_bus_message *m);
82bd6ddd 110
74b2466e 111DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuery*, dns_query_free);