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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include "resolved-dns-server.h" | |
23 | ||
24 | int dns_server_new( | |
25 | Manager *m, | |
26 | DnsServer **ret, | |
74b2466e | 27 | Link *l, |
0dd25fb9 | 28 | int family, |
3c0cf502 | 29 | const union in_addr_union *in_addr) { |
74b2466e LP |
30 | |
31 | DnsServer *s, *tail; | |
32 | ||
33 | assert(m); | |
34 | assert(in_addr); | |
74b2466e LP |
35 | |
36 | s = new0(DnsServer, 1); | |
37 | if (!s) | |
38 | return -ENOMEM; | |
39 | ||
74b2466e LP |
40 | s->family = family; |
41 | s->address = *in_addr; | |
42 | ||
6073b6f2 TG |
43 | if (l) { |
44 | LIST_FIND_TAIL(servers, l->dns_servers, tail); | |
45 | LIST_INSERT_AFTER(servers, l->dns_servers, tail, s); | |
74b2466e LP |
46 | s->link = l; |
47 | } else { | |
74b2466e LP |
48 | LIST_FIND_TAIL(servers, m->dns_servers, tail); |
49 | LIST_INSERT_AFTER(servers, m->dns_servers, tail, s); | |
50 | } | |
51 | ||
52 | s->manager = m; | |
53 | ||
54 | if (ret) | |
55 | *ret = s; | |
56 | ||
57 | return 0; | |
58 | } | |
59 | ||
60 | DnsServer* dns_server_free(DnsServer *s) { | |
61 | if (!s) | |
62 | return NULL; | |
63 | ||
2f82f5ea | 64 | if (s->manager) { |
74b2466e | 65 | if (s->link) |
6073b6f2 | 66 | LIST_REMOVE(servers, s->link->dns_servers, s); |
2f82f5ea | 67 | else |
74b2466e LP |
68 | LIST_REMOVE(servers, s->manager->dns_servers, s); |
69 | } | |
70 | ||
71 | if (s->link && s->link->current_dns_server == s) | |
72 | s->link->current_dns_server = NULL; | |
73 | ||
74 | if (s->manager && s->manager->current_dns_server == s) | |
75 | s->manager->current_dns_server = NULL; | |
76 | ||
77 | free(s); | |
78 | ||
79 | return NULL; | |
80 | } |