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 {
35 AvahiSRecordBrowser *record_browser;
37 AvahiSDomainBrowserCallback callback;
40 AVAHI_LLIST_FIELDS(AvahiSDomainBrowser, browser);
43 static void record_browser_callback(
44 AvahiSRecordBrowser*rr,
45 AvahiIfIndex interface,
46 AvahiProtocol protocol,
47 AvahiBrowserEvent event,
49 AvahiLookupResultFlags flags,
52 AvahiSDomainBrowser *b = userdata;
59 flags &= AVAHI_LOOKUP_RESULT_CACHED | AVAHI_LOOKUP_RESULT_MULTICAST | AVAHI_LOOKUP_RESULT_WIDE_AREA;
62 assert(record->key->type == AVAHI_DNS_TYPE_PTR);
63 n = record->data.ptr.name;
66 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 static const char * const type_table[AVAHI_DOMAIN_BROWSER_MAX] = {
87 AvahiSDomainBrowser *b;
89 char n[AVAHI_DOMAIN_NAME_MAX];
95 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
96 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL);
97 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, type < AVAHI_DOMAIN_BROWSER_MAX, AVAHI_ERR_INVALID_FLAGS);
98 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
99 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
102 domain = server->domain_name;
104 if ((r = avahi_service_name_join(n, sizeof(n), type_table[type], "_dns-sd._udp", domain)) < 0) {
105 avahi_server_set_errno(server, r);
109 if (!(b = avahi_new(AvahiSDomainBrowser, 1))) {
110 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
115 b->callback = callback;
116 b->userdata = userdata;
117 b->record_browser = NULL;
119 AVAHI_LLIST_PREPEND(AvahiSDomainBrowser, browser, server->domain_browsers, b);
121 if (!(k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR))) {
122 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
126 if (!(b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b)))
137 avahi_s_domain_browser_free(b);
142 void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) {
145 AVAHI_LLIST_REMOVE(AvahiSDomainBrowser, browser, b->server->domain_browsers, b);
147 if (b->record_browser)
148 avahi_s_record_browser_free(b->record_browser);