1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* $Id$ */
/***
This file is part of avahi.
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
avahi is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "subscribe.h"
#include "util.h"
struct AvahiHostNameResolver {
AvahiServer *server;
gchar *host_name;
AvahiRecordResolver *record_resolver_a;
AvahiRecordResolver *record_resolver_aaaa;
AvahiHostNameResolverCallback callback;
gpointer userdata;
AVAHI_LLIST_FIELDS(AvahiHostNameResolver, resolver);
};
static void record_resolver_callback(AvahiRecordResolver*rr, gint interface, guchar protocol, AvahiBrowserEvent event, AvahiRecord *record, gpointer userdata) {
AvahiHostNameResolver *r = userdata;
AvahiAddress a;
g_assert(rr);
g_assert(record);
g_assert(r);
switch (record->key->type) {
case AVAHI_DNS_TYPE_A:
a.family = AF_INET;
a.data.ipv4 = record->data.a.address;
break;
case AVAHI_DNS_TYPE_AAAA:
a.family = AF_INET6;
a.data.ipv6 = record->data.aaaa.address;
break;
default:
g_assert(FALSE);
}
r->callback(r, interface, protocol, event, record->key->name, &a, r->userdata);
}
AvahiHostNameResolver *avahi_host_name_resolver_new(AvahiServer *s, gint interface, guchar protocol, const gchar *host_name, AvahiHostNameResolverCallback callback, gpointer userdata) {
AvahiHostNameResolver *r;
AvahiKey *k;
g_assert(s);
g_assert(host_name);
g_assert(callback);
r = g_new(AvahiHostNameResolver, 1);
r->server = s;
r->host_name = avahi_normalize_name(host_name);
r->callback = callback;
r->userdata = userdata;
k = avahi_key_new(host_name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_A);
r->record_resolver_a = avahi_record_resolver_new(s, interface, protocol, k, record_resolver_callback, r);
avahi_key_unref(k);
k = avahi_key_new(host_name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_AAAA);
r->record_resolver_aaaa = avahi_record_resolver_new(s, interface, protocol, k, record_resolver_callback, r);
avahi_key_unref(k);
AVAHI_LLIST_PREPEND(AvahiHostNameResolver, resolver, s->host_name_resolvers, r);
return r;
}
void avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
g_assert(r);
AVAHI_LLIST_REMOVE(AvahiHostNameResolver, resolver, r->server->host_name_resolvers, r);
avahi_record_resolver_free(r->record_resolver_a);
avahi_record_resolver_free(r->record_resolver_aaaa);
g_free(r->host_name);
g_free(r);
}
|
