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;
38 AvahiSDomainBrowserCallback callback;
41 AVAHI_LLIST_FIELDS(AvahiSDomainBrowser, browser);
44 static void record_browser_callback(AvahiSRecordBrowser*rr, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, AvahiRecord *record, void* userdata) {
45 AvahiSDomainBrowser *b = userdata;
52 assert(record->key->type == AVAHI_DNS_TYPE_PTR);
54 n = avahi_normalize_name(record->data.ptr.name);
55 b->callback(b, interface, protocol, event, n, b->userdata);
59 AvahiSDomainBrowser *avahi_s_domain_browser_new(AvahiServer *server, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiDomainBrowserType type, AvahiSDomainBrowserCallback callback, void* userdata) {
60 AvahiSDomainBrowser *b;
66 assert(type >= AVAHI_DOMAIN_BROWSER_BROWSE && type <= AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY);
68 if (domain && !avahi_is_valid_domain_name(domain)) {
69 avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME);
73 if (!(b = avahi_new(AvahiSDomainBrowser, 1))) {
74 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
79 b->domain_name = avahi_normalize_name(domain ? domain : "local");
80 b->callback = callback;
81 b->userdata = userdata;
83 AVAHI_LLIST_PREPEND(AvahiSDomainBrowser, browser, server->domain_browsers, b);
86 case AVAHI_DOMAIN_BROWSER_BROWSE:
87 n = avahi_strdup_printf("b._dns-sd._udp.%s", b->domain_name);
89 case AVAHI_DOMAIN_BROWSER_BROWSE_DEFAULT:
90 n = avahi_strdup_printf("db._dns-sd._udp.%s", b->domain_name);
92 case AVAHI_DOMAIN_BROWSER_REGISTER:
93 n = avahi_strdup_printf("r._dns-sd._udp.%s", b->domain_name);
95 case AVAHI_DOMAIN_BROWSER_REGISTER_DEFAULT:
96 n = avahi_strdup_printf("dr._dns-sd._udp.%s", b->domain_name);
98 case AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY:
99 n = avahi_strdup_printf("lb._dns-sd._udp.%s", b->domain_name);
102 case AVAHI_DOMAIN_BROWSER_MAX:
109 k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
112 b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, record_browser_callback, b);
115 if (!b->record_browser) {
116 avahi_s_domain_browser_free(b);
123 void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) {
126 AVAHI_LLIST_REMOVE(AvahiSDomainBrowser, browser, b->server->domain_browsers, b);
128 if (b->record_browser)
129 avahi_s_record_browser_free(b->record_browser);
131 avahi_free(b->domain_name);