2 This file is part of catta.
4 catta is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
9 catta is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
12 Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with catta; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <catta/domain.h>
27 #include <catta/malloc.h>
28 #include <catta/error.h>
31 #include <catta/log.h>
33 struct CattaSServiceTypeBrowser {
37 CattaSRecordBrowser *record_browser;
39 CattaSServiceTypeBrowserCallback callback;
42 CATTA_LLIST_FIELDS(CattaSServiceTypeBrowser, browser);
45 static void record_browser_callback(
46 CattaSRecordBrowser*rr,
48 CattaProtocol protocol,
49 CattaBrowserEvent event,
51 CattaLookupResultFlags flags,
54 CattaSServiceTypeBrowser *b = userdata;
60 flags &= CATTA_LOOKUP_RESULT_CACHED | CATTA_LOOKUP_RESULT_MULTICAST | CATTA_LOOKUP_RESULT_WIDE_AREA;
63 char type[CATTA_DOMAIN_NAME_MAX], domain[CATTA_DOMAIN_NAME_MAX];
65 assert(record->key->type == CATTA_DNS_TYPE_PTR);
67 if (catta_service_name_split(record->data.ptr.name, NULL, 0, type, sizeof(type), domain, sizeof(domain)) < 0) {
68 catta_log_warn("Invalid service type '%s'", record->key->name);
72 b->callback(b, iface, protocol, event, type, domain, flags, b->userdata);
74 b->callback(b, iface, protocol, event, NULL, b->domain_name, flags, b->userdata);
77 CattaSServiceTypeBrowser *catta_s_service_type_browser_new(
80 CattaProtocol protocol,
82 CattaLookupFlags flags,
83 CattaSServiceTypeBrowserCallback callback,
86 CattaSServiceTypeBrowser *b;
88 char n[CATTA_DOMAIN_NAME_MAX];
94 CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_IF_VALID(iface), CATTA_ERR_INVALID_INTERFACE);
95 CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_PROTO_VALID(protocol), CATTA_ERR_INVALID_PROTOCOL);
96 CATTA_CHECK_VALIDITY_RETURN_NULL(server, !domain || catta_is_valid_domain_name(domain), CATTA_ERR_INVALID_DOMAIN_NAME);
97 CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_FLAGS_VALID(flags, CATTA_LOOKUP_USE_WIDE_AREA|CATTA_LOOKUP_USE_MULTICAST), CATTA_ERR_INVALID_FLAGS);
100 domain = server->domain_name;
102 if ((r = catta_service_name_join(n, sizeof(n), NULL, "_services._dns-sd._udp", domain)) < 0) {
103 catta_server_set_errno(server, r);
107 if (!(b = catta_new(CattaSServiceTypeBrowser, 1))) {
108 catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
113 b->callback = callback;
114 b->userdata = userdata;
115 b->record_browser = NULL;
117 CATTA_LLIST_PREPEND(CattaSServiceTypeBrowser, browser, server->service_type_browsers, b);
119 if (!(b->domain_name = catta_normalize_name_strdup(domain))) {
120 catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
124 if (!(k = catta_key_new(n, CATTA_DNS_CLASS_IN, CATTA_DNS_TYPE_PTR))) {
125 catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
129 if (!(b->record_browser = catta_s_record_browser_new(server, iface, protocol, k, flags, record_browser_callback, b)))
140 catta_s_service_type_browser_free(b);
145 void catta_s_service_type_browser_free(CattaSServiceTypeBrowser *b) {
148 CATTA_LLIST_REMOVE(CattaSServiceTypeBrowser, browser, b->server->service_type_browsers, b);
150 if (b->record_browser)
151 catta_s_record_browser_free(b->record_browser);
153 catta_free(b->domain_name);