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-common/timeval.h>
38 #include <avahi-core/core.h>
39 #include <avahi-core/log.h>
40 #include <avahi-core/publish.h>
41 #include <avahi-core/lookup.h>
43 static AvahiSEntryGroup *group = NULL;
44 static AvahiServer *server = NULL;
45 static char *service_name = NULL;
47 static const AvahiPoll *poll_api;
49 static void quit_timeout_callback(AvahiTimeout *timeout, void* userdata) {
50 AvahiSimplePoll *simple_poll = userdata;
52 avahi_simple_poll_quit(simple_poll);
55 static void dump_line(const char *text, void* userdata) {
59 static void dump_timeout_callback(AvahiTimeout *timeout, void* userdata) {
62 AvahiServer *avahi = userdata;
63 avahi_server_dump(avahi, dump_line, NULL);
65 avahi_elapse_time(&tv, 5000, 0);
66 poll_api->timeout_update(timeout, &tv);
69 static const char *browser_event_to_string(AvahiBrowserEvent event) {
71 case AVAHI_BROWSER_NEW : return "NEW";
72 case AVAHI_BROWSER_REMOVE : return "REMOVE";
73 case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CACHE_EXHAUSTED";
74 case AVAHI_BROWSER_ALL_FOR_NOW : return "ALL_FOR_NOW";
75 case AVAHI_BROWSER_FAILURE : return "FAILURE";
81 static const char *resolver_event_to_string(AvahiResolverEvent event) {
83 case AVAHI_RESOLVER_FOUND: return "FOUND";
84 case AVAHI_RESOLVER_FAILURE: return "FAILURE";
89 static void record_browser_callback(
90 AvahiSRecordBrowser *r,
91 AvahiIfIndex interface,
92 AvahiProtocol protocol,
93 AvahiBrowserEvent event,
95 AvahiLookupResultFlags flags,
102 avahi_log_debug("RB: record [%s] on %i.%i is %s", t = avahi_record_to_string(record), interface, protocol, browser_event_to_string(event));
105 avahi_log_debug("RB: [%s]", browser_event_to_string(event));
109 static void remove_entries(void);
110 static void create_entries(int new_name);
112 static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
113 avahi_log_debug("entry group state: %i", state);
115 if (state == AVAHI_ENTRY_GROUP_COLLISION) {
118 avahi_log_debug("Service name conflict, retrying with <%s>", service_name);
119 } else if (state == AVAHI_ENTRY_GROUP_ESTABLISHED) {
120 avahi_log_debug("Service established under name <%s>", service_name);
124 static void server_callback(AvahiServer *s, AvahiServerState state, void* userdata) {
126 avahi_log_debug("server state: %i", state);
128 if (state == AVAHI_SERVER_RUNNING) {
129 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));
131 } else if (state == AVAHI_SERVER_COLLISION) {
135 n = avahi_alternative_host_name(avahi_server_get_host_name(s));
137 avahi_log_debug("Host name conflict, retrying with <%s>", n);
138 avahi_server_set_host_name(s, n);
143 static void remove_entries(void) {
145 avahi_s_entry_group_reset(group);
148 static void create_entries(int new_name) {
154 group = avahi_s_entry_group_new(server, entry_group_callback, NULL);
156 assert(avahi_s_entry_group_is_empty(group));
159 service_name = avahi_strdup("Test Service");
161 char *n = avahi_alternative_service_name(service_name);
162 avahi_free(service_name);
166 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, service_name, "_http._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
167 avahi_log_error("Failed to add HTTP service");
171 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, service_name, "_ftp._tcp", NULL, NULL, 21, "foo", NULL) < 0) {
172 avahi_log_error("Failed to add FTP service");
176 if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0,service_name, "_webdav._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
177 avahi_log_error("Failed to add WEBDAV service");
181 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) {
182 avahi_log_error("Failed to add new DNS Server address");
186 avahi_s_entry_group_commit(group);
191 avahi_s_entry_group_free(group);
196 static void hnr_callback(
197 AvahiSHostNameResolver *r,
199 AvahiProtocol protocol,
200 AvahiResolverEvent event,
201 const char *hostname,
202 const AvahiAddress *a,
203 AvahiLookupResultFlags flags,
205 char t[AVAHI_ADDRESS_STR_MAX];
208 avahi_address_snprint(t, sizeof(t), a);
210 avahi_log_debug("HNR: (%i.%i) <%s> -> %s [%s]", iface, protocol, hostname, a ? t : "n/a", resolver_event_to_string(event));
213 static void ar_callback(
214 AvahiSAddressResolver *r,
216 AvahiProtocol protocol,
217 AvahiResolverEvent event,
218 const AvahiAddress *a,
219 const char *hostname,
220 AvahiLookupResultFlags flags,
222 char t[AVAHI_ADDRESS_STR_MAX];
224 avahi_address_snprint(t, sizeof(t), a);
226 avahi_log_debug("AR: (%i.%i) %s -> <%s> [%s]", iface, protocol, t, hostname ? hostname : "n/a", resolver_event_to_string(event));
229 static void db_callback(
230 AvahiSDomainBrowser *b,
232 AvahiProtocol protocol,
233 AvahiBrowserEvent event,
235 AvahiLookupResultFlags flags,
238 avahi_log_debug("DB: (%i.%i) <%s> [%s]", iface, protocol, domain, browser_event_to_string(event));
241 static void stb_callback(
242 AvahiSServiceTypeBrowser *b,
244 AvahiProtocol protocol,
245 AvahiBrowserEvent event,
246 const char *service_type,
248 AvahiLookupResultFlags flags,
251 avahi_log_debug("STB: (%i.%i) %s in <%s> [%s]", iface, protocol, service_type, domain, browser_event_to_string(event));
254 static void sb_callback(
255 AvahiSServiceBrowser *b,
257 AvahiProtocol protocol,
258 AvahiBrowserEvent event,
260 const char *service_type,
262 AvahiLookupResultFlags flags,
264 avahi_log_debug("SB: (%i.%i) <%s> as %s in <%s> [%s]", iface, protocol, name, service_type, domain, browser_event_to_string(event));
267 static void sr_callback(
268 AvahiSServiceResolver *r,
270 AvahiProtocol protocol,
271 AvahiResolverEvent event,
273 const char*service_type,
274 const char*domain_name,
276 const AvahiAddress *a,
278 AvahiStringList *txt,
279 AvahiLookupResultFlags flags,
282 if (event != AVAHI_RESOLVER_FOUND)
283 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 char t[AVAHI_ADDRESS_STR_MAX], *s;
287 avahi_address_snprint(t, sizeof(t), a);
289 s = avahi_string_list_to_string(txt);
290 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));
295 static void dsb_callback(
296 AvahiSDNSServerBrowser *b,
298 AvahiProtocol protocol,
299 AvahiBrowserEvent event,
301 const AvahiAddress *a,
303 AvahiLookupResultFlags flags,
306 char t[AVAHI_ADDRESS_STR_MAX] = "n/a";
309 avahi_address_snprint(t, sizeof(t), a);
311 avahi_log_debug("DSB: (%i.%i): %s/%s:%i [%s]", iface, protocol, hostname, t, port, browser_event_to_string(event));
314 int main(int argc, char *argv[]) {
315 AvahiSRecordBrowser *r;
316 AvahiSHostNameResolver *hnr;
317 AvahiSAddressResolver *ar;
319 AvahiServerConfig config;
321 AvahiSDomainBrowser *db;
322 AvahiSServiceTypeBrowser *stb;
323 AvahiSServiceBrowser *sb;
324 AvahiSServiceResolver *sr;
325 AvahiSDNSServerBrowser *dsb;
326 AvahiSimplePoll *simple_poll;
330 simple_poll = avahi_simple_poll_new();
331 poll_api = avahi_simple_poll_get(simple_poll);
333 avahi_server_config_init(&config);
335 avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]);
336 config.n_wide_area_servers = 1;
337 config.enable_wide_area = 1;
339 server = avahi_server_new(poll_api, &config, server_callback, NULL, &error);
340 avahi_server_config_free(&config);
342 k = avahi_key_new("_http._tcp.0pointer.de", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
343 r = avahi_s_record_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, k, 0, record_browser_callback, NULL);
346 hnr = avahi_s_host_name_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "cocaine.local", AVAHI_PROTO_UNSPEC, 0, hnr_callback, NULL);
348 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);
350 db = avahi_s_domain_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DOMAIN_BROWSER_BROWSE, 0, db_callback, NULL);
352 stb = avahi_s_service_type_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, 0, stb_callback, NULL);
354 sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, sb_callback, NULL);
356 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);
358 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);
360 avahi_elapse_time(&tv, 1000*5, 0);
361 poll_api->timeout_new(poll_api, &tv, dump_timeout_callback, server);
363 avahi_elapse_time(&tv, 1000*60, 0);
364 poll_api->timeout_new(poll_api, &tv, quit_timeout_callback, simple_poll);
366 avahi_simple_poll_loop(simple_poll);
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);