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
28 #include <avahi-common/domain.h>
29 #include <avahi-common/malloc.h>
30 #include <avahi-common/error.h>
35 struct AvahiSServiceTypeBrowser {
39 AvahiSRecordBrowser *record_browser;
41 AvahiSServiceTypeBrowserCallback callback;
44 AVAHI_LLIST_FIELDS(AvahiSServiceTypeBrowser, browser);
47 static void record_browser_callback(
48 AvahiSRecordBrowser*rr,
49 AvahiIfIndex interface,
50 AvahiProtocol protocol,
51 AvahiBrowserEvent event,
53 AvahiLookupResultFlags flags,
56 AvahiSServiceTypeBrowser *b = userdata;
62 char type[AVAHI_DOMAIN_NAME_MAX], domain[AVAHI_DOMAIN_NAME_MAX];
64 assert(record->key->type == AVAHI_DNS_TYPE_PTR);
66 if (avahi_service_name_split(record->data.ptr.name, NULL, 0, type, sizeof(type), domain, sizeof(domain)) < 0) {
67 avahi_log_warn("Invalid service type '%s'", record->key->name);
71 b->callback(b, interface, protocol, event, type, domain, flags, b->userdata);
73 b->callback(b, interface, protocol, event, NULL, b->domain_name, flags, b->userdata);
76 AvahiSServiceTypeBrowser *avahi_s_service_type_browser_new(
78 AvahiIfIndex interface,
79 AvahiProtocol protocol,
81 AvahiLookupFlags flags,
82 AvahiSServiceTypeBrowserCallback callback,
85 AvahiSServiceTypeBrowser *b;
87 char n[AVAHI_DOMAIN_NAME_MAX];
93 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
94 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL);
95 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
96 AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
99 domain = server->domain_name;
101 if ((r = avahi_service_name_join(n, sizeof(n), NULL, "_services._dns-sd._udp", domain)) < 0) {
102 avahi_server_set_errno(server, r);
106 if (!(b = avahi_new(AvahiSServiceTypeBrowser, 1))) {
107 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
112 b->callback = callback;
113 b->userdata = userdata;
114 b->record_browser = NULL;
116 AVAHI_LLIST_PREPEND(AvahiSServiceTypeBrowser, browser, server->service_type_browsers, b);
118 if (!(b->domain_name = avahi_normalize_name_strdup(domain))) {
119 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
123 if (!(k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR))) {
124 avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
128 if (!(b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b)))
139 avahi_s_service_type_browser_free(b);
144 void avahi_s_service_type_browser_free(AvahiSServiceTypeBrowser *b) {
147 AVAHI_LLIST_REMOVE(AvahiSServiceTypeBrowser, browser, b->server->service_type_browsers, b);
149 if (b->record_browser)
150 avahi_s_record_browser_free(b->record_browser);
152 avahi_free(b->domain_name);