4 This file is part of avahi.
6 avahi is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 avahi is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
14 Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with avahi; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <avahi-common/domain.h>
27 #include <avahi-common/malloc.h>
28 #include <avahi-common/error.h>
32 struct AvahiSDomainBrowser {
36 AvahiSRecordBrowser *record_browser;
37 AvahiLookupResultFlags flags;
39 AvahiSDomainBrowserCallback callback;
42 AVAHI_LLIST_FIELDS(AvahiSDomainBrowser, browser);
45 static void record_browser_callback(
46 AvahiSRecordBrowser*rr,
47 AvahiIfIndex interface,
48 AvahiProtocol protocol,
49 AvahiBrowserEvent event,
51 AvahiLookupResultFlags flags,
54 AvahiSDomainBrowser *b = userdata;
61 assert(record->key->type == AVAHI_DNS_TYPE_PTR);
62 n = avahi_normalize_name(record->data.ptr.name);
65 b->callback(b, interface, protocol, event, n, flags, b->userdata);
69 AvahiSDomainBrowser *avahi_s_domain_browser_new(
71 AvahiIfIndex interface,
72 AvahiProtocol protocol,
74 AvahiDomainBrowserType type,
75 AvahiLookupFlags flags,
76 AvahiSDomainBrowserCallback callback,
79 AvahiSDomainBrowser *b;
86 if (type >= AVAHI_DOMAIN_BROWSER_MAX) {
87 avahi_server_set_errno(server, AVAHI_ERR_INVALID_FLAGS);
91 if (!AVAHI_IF_VALID(interface)) {
92 avahi_server_set_errno(server, AVAHI_ERR_INVALID_INTERFACE);
96 if (domain && !avahi_is_valid_domain_name(domain)) {
97 avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME);
102 domain = server->domain_name;
104 if (!AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST)) {
105 avahi_server_set_errno(server, AVAHI_ERR_INVALID_FLAGS);
109 if (!(b = avahi_new(AvahiSDomainBrowser, 1))) {
110 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
115 b->domain_name = avahi_normalize_name(domain);
116 b->callback = callback;
117 b->userdata = userdata;
119 AVAHI_LLIST_PREPEND(AvahiSDomainBrowser, browser, server->domain_browsers, b);
122 case AVAHI_DOMAIN_BROWSER_BROWSE:
123 n = avahi_strdup_printf("b._dns-sd._udp.%s", b->domain_name);
125 case AVAHI_DOMAIN_BROWSER_BROWSE_DEFAULT:
126 n = avahi_strdup_printf("db._dns-sd._udp.%s", b->domain_name);
128 case AVAHI_DOMAIN_BROWSER_REGISTER:
129 n = avahi_strdup_printf("r._dns-sd._udp.%s", b->domain_name);
131 case AVAHI_DOMAIN_BROWSER_REGISTER_DEFAULT:
132 n = avahi_strdup_printf("dr._dns-sd._udp.%s", b->domain_name);
134 case AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY:
135 n = avahi_strdup_printf("lb._dns-sd._udp.%s", b->domain_name);
138 case AVAHI_DOMAIN_BROWSER_MAX:
145 k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
148 b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b);
151 if (!b->record_browser) {
152 avahi_s_domain_browser_free(b);
159 void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) {
162 AVAHI_LLIST_REMOVE(AvahiSDomainBrowser, browser, b->server->domain_browsers, b);
164 if (b->record_browser)
165 avahi_s_record_browser_free(b->record_browser);
167 avahi_free(b->domain_name);