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 <sys/socket.h>
27 #include <netinet/in.h>
28 #include <arpa/inet.h>
33 #include <avahi-common/malloc.h>
34 #include <avahi-common/simple-watch.h>
35 #include <avahi-common/alternative.h>
36 #include <avahi-core/core.h>
37 #include <avahi-core/log.h>
38 #include <avahi-core/publish.h>
39 #include <avahi-core/lookup.h>
41 static AvahiSEntryGroup *group = NULL;
42 static AvahiServer *server = NULL;
43 static char *service_name = NULL;
45 static const AvahiPoll *poll_api;
47 static void quit_timeout_callback(AvahiTimeout *timeout, void* userdata) {
48 AvahiSimplePoll *simple_poll = userdata;
50 avahi_simple_poll_quit(simple_poll);
53 static void dump_line(const char *text, void* userdata) {
57 static void dump_timeout_callback(AvahiTimeout *timeout, void* userdata) {
60 AvahiServer *avahi = userdata;
61 avahi_server_dump(avahi, dump_line, NULL);
63 avahi_elapse_time(&tv, 5000, 0);
64 poll_api->timeout_update(timeout, &tv);
67 static const char *browser_event_to_string(AvahiBrowserEvent event) {
69 case AVAHI_BROWSER_NEW : return "NEW";
70 case AVAHI_BROWSER_REMOVE : return "REMOVE";
71 case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CACHE_EXHAUSTED";
72 case AVAHI_BROWSER_ALL_FOR_NOW : return "ALL_FOR_NOW";
73 case AVAHI_BROWSER_FAILURE : return "FAILURE";
79 static const char *resolver_event_to_string(AvahiResolverEvent event) {
81 case AVAHI_RESOLVER_FOUND: return "FOUND";
82 case AVAHI_RESOLVER_FAILURE: return "FAILURE";
87 static void record_browser_callback(
88 AvahiSRecordBrowser *r,
89 AvahiIfIndex interface,
90 AvahiProtocol protocol,
91 AvahiBrowserEvent event,
93 AvahiLookupResultFlags flags,
100 avahi_log_debug("RB: record [%s] on %i.%i is %s", t = avahi_record_to_string(record), interface, protocol, browser_event_to_string(event));
103 avahi_log_debug("RB: [%s]", browser_event_to_string(event));
107 static void remove_entries(void);
108 static void create_entries(int new_name);
110 static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
111 avahi_log_debug("entry group state: %i", state);
113 if (state == AVAHI_ENTRY_GROUP_COLLISION) {
116 avahi_log_debug("Service name conflict, retrying with <%s>", service_name);
117 } else if (state == AVAHI_ENTRY_GROUP_ESTABLISHED) {
118 avahi_log_debug("Service established under name <%s>", service_name);
122 static void server_callback(AvahiServer *s, AvahiServerState state, void* userdata) {
124 avahi_log_debug("server state: %i", state);
126 if (state == AVAHI_SERVER_RUNNING) {
127 avahi_log_debug("Server startup complete. Host name is <%s>. Service cookie is %u", avahi_server_get_host_name_fqdn(s), avahi_server_get_local_service_cookie(s));
129 } else if (state == AVAHI_SERVER_COLLISION) {
133 n = avahi_alternative_host_name(avahi_server_get_host_name(s));
135 avahi_log_debug("Host name conflict, retrying with <%s>", n);
136 avahi_server_set_host_name(s, n);
141 static void remove_entries(void) {
143 avahi_s_entry_group_reset(group);
146 static void create_entries(int new_name) {
152 group = avahi_s_entry_group_new(server, entry_group_callback, NULL);
154 assert(avahi_s_entry_group_is_empty(group));
157 service_name = avahi_strdup("Test Service");
159 char *n = avahi_alternative_service_name(service_name);
160 avahi_free(service_name);
164 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, service_name, "_http._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
165 avahi_log_error("Failed to add HTTP service");
169 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, service_name, "_ftp._tcp", NULL, NULL, 21, "foo", NULL) < 0) {
170 avahi_log_error("Failed to add FTP service");
174 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0,service_name, "_webdav._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
175 avahi_log_error("Failed to add WEBDAV service");
179 if (avahi_server_add_dns_server_address(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, NULL, AVAHI_DNS_SERVER_RESOLVE, avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &a), 53) < 0) {
180 avahi_log_error("Failed to add new DNS Server address");
184 avahi_s_entry_group_commit(group);
189 avahi_s_entry_group_free(group);
194 static void hnr_callback(
195 AvahiSHostNameResolver *r,
197 AvahiProtocol protocol,
198 AvahiResolverEvent event,
199 const char *hostname,
200 const AvahiAddress *a,
201 AvahiLookupResultFlags flags,
206 avahi_address_snprint(t, sizeof(t), a);
208 avahi_log_debug("HNR: (%i.%i) <%s> -> %s [%s]", iface, protocol, hostname, a ? t : "n/a", resolver_event_to_string(event));
211 static void ar_callback(
212 AvahiSAddressResolver *r,
214 AvahiProtocol protocol,
215 AvahiResolverEvent event,
216 const AvahiAddress *a,
217 const char *hostname,
218 AvahiLookupResultFlags flags,
222 avahi_address_snprint(t, sizeof(t), a);
224 avahi_log_debug("AR: (%i.%i) %s -> <%s> [%s]", iface, protocol, t, hostname ? hostname : "n/a", resolver_event_to_string(event));
227 static void db_callback(
228 AvahiSDomainBrowser *b,
230 AvahiProtocol protocol,
231 AvahiBrowserEvent event,
233 AvahiLookupResultFlags flags,
236 avahi_log_debug("DB: (%i.%i) <%s> [%s]", iface, protocol, domain, browser_event_to_string(event));
239 static void stb_callback(
240 AvahiSServiceTypeBrowser *b,
242 AvahiProtocol protocol,
243 AvahiBrowserEvent event,
244 const char *service_type,
246 AvahiLookupResultFlags flags,
249 avahi_log_debug("STB: (%i.%i) %s in <%s> [%s]", iface, protocol, service_type, domain, browser_event_to_string(event));
252 static void sb_callback(
253 AvahiSServiceBrowser *b,
255 AvahiProtocol protocol,
256 AvahiBrowserEvent event,
258 const char *service_type,
260 AvahiLookupResultFlags flags,
262 avahi_log_debug("SB: (%i.%i) <%s> as %s in <%s> [%s]", iface, protocol, name, service_type, domain, browser_event_to_string(event));
265 static void sr_callback(
266 AvahiSServiceResolver *r,
268 AvahiProtocol protocol,
269 AvahiResolverEvent event,
271 const char*service_type,
272 const char*domain_name,
274 const AvahiAddress *a,
276 AvahiStringList *txt,
277 AvahiLookupResultFlags flags,
280 if (event != AVAHI_RESOLVER_FOUND)
281 avahi_log_debug("SR: (%i.%i) <%s> as %s in <%s> [%s]", iface, protocol, name, service_type, domain_name, resolver_event_to_string(event));
285 avahi_address_snprint(t, sizeof(t), a);
287 s = avahi_string_list_to_string(txt);
288 avahi_log_debug("SR: (%i.%i) <%s> as %s in <%s>: %s/%s:%i (%s) [%s]", iface, protocol, name, service_type, domain_name, hostname, t, port, s, resolver_event_to_string(event));
293 static void dsb_callback(
294 AvahiSDNSServerBrowser *b,
296 AvahiProtocol protocol,
297 AvahiBrowserEvent event,
299 const AvahiAddress *a,
301 AvahiLookupResultFlags flags,
307 avahi_address_snprint(t, sizeof(t), a);
309 avahi_log_debug("DSB: (%i.%i): %s/%s:%i [%s]", iface, protocol, hostname, t, port, browser_event_to_string(event));
312 int main(int argc, char *argv[]) {
313 AvahiSRecordBrowser *r;
314 AvahiSHostNameResolver *hnr;
315 AvahiSAddressResolver *ar;
317 AvahiServerConfig config;
319 AvahiSDomainBrowser *db;
320 AvahiSServiceTypeBrowser *stb;
321 AvahiSServiceBrowser *sb;
322 AvahiSServiceResolver *sr;
323 AvahiSDNSServerBrowser *dsb;
324 AvahiSimplePoll *simple_poll;
328 simple_poll = avahi_simple_poll_new();
329 poll_api = avahi_simple_poll_get(simple_poll);
331 avahi_server_config_init(&config);
333 avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]);
334 config.n_wide_area_servers = 1;
335 config.enable_wide_area = 1;
337 server = avahi_server_new(poll_api, &config, server_callback, NULL, &error);
338 avahi_server_config_free(&config);
340 k = avahi_key_new("_http._tcp.0pointer.de", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
341 r = avahi_s_record_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, k, 0, record_browser_callback, NULL);
344 hnr = avahi_s_host_name_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "cocaine.local", AVAHI_PROTO_UNSPEC, 0, hnr_callback, NULL);
346 ar = avahi_s_address_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, avahi_address_parse("192.168.50.1", AVAHI_PROTO_INET, &a), 0, ar_callback, NULL);
348 db = avahi_s_domain_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DOMAIN_BROWSER_BROWSE, 0, db_callback, NULL);
350 stb = avahi_s_service_type_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, 0, stb_callback, NULL);
352 sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, sb_callback, NULL);
354 sr = avahi_s_service_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "Ecstasy HTTP", "_http._tcp", "local", AVAHI_PROTO_UNSPEC, 0, sr_callback, NULL);
356 dsb = avahi_s_dns_server_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "local", AVAHI_DNS_SERVER_RESOLVE, AVAHI_PROTO_UNSPEC, 0, dsb_callback, NULL);
358 avahi_elapse_time(&tv, 1000*5, 0);
359 poll_api->timeout_new(poll_api, &tv, dump_timeout_callback, server);
361 avahi_elapse_time(&tv, 1000*60, 0);
362 poll_api->timeout_new(poll_api, &tv, quit_timeout_callback, simple_poll);
365 if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
368 avahi_s_record_browser_free(r);
369 avahi_s_host_name_resolver_free(hnr);
370 avahi_s_address_resolver_free(ar);
371 avahi_s_service_type_browser_free(stb);
372 avahi_s_service_browser_free(sb);
373 avahi_s_service_resolver_free(sr);
374 avahi_s_dns_server_browser_free(dsb);
377 avahi_s_entry_group_free(group);
380 avahi_server_free(server);
383 avahi_simple_poll_free(simple_poll);
385 avahi_free(service_name);