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
31 #include <avahi-core/core.h>
32 #include <avahi-common/simple-watch.h>
33 #include <avahi-common/malloc.h>
34 #include <avahi-common/error.h>
36 static AvahiSimplePoll *simple_poll = NULL;
38 static void resolve_callback(
39 AvahiSServiceResolver *r,
40 AvahiIfIndex interface,
41 AvahiProtocol protocol,
42 AvahiResolverEvent event,
46 const char *host_name,
47 const AvahiAddress *address,
54 /* Called whenever a service has been resolved successfully or timed out */
56 if (event == AVAHI_RESOLVER_TIMEOUT)
57 fprintf(stderr, "Failed to resolve service '%s' of type '%s' in domain '%s'.\n", name, type, domain);
61 assert(event == AVAHI_RESOLVER_FOUND);
63 fprintf(stderr, "Service '%s' of type '%s' in domain '%s':\n", name, type, domain);
65 avahi_address_snprint(a, sizeof(a), address);
66 t = avahi_string_list_to_string(txt);
67 fprintf(stderr, "\t%s:%u (%s) TXT=%s\n", host_name, port, a, t);
71 avahi_s_service_resolver_free(r);
74 static void browse_callback(
75 AvahiSServiceBrowser *b,
76 AvahiIfIndex interface,
77 AvahiProtocol protocol,
78 AvahiBrowserEvent event,
84 AvahiServer *s = userdata;
87 /* Called whenever a new services becomes available on the LAN or is removed from the LAN */
89 fprintf(stderr, "%s: service '%s' of type '%s' in domain '%s'\n",
90 event == AVAHI_BROWSER_NEW ? "NEW" : "REMOVED",
95 /* If it's new, let's resolve it */
96 if (event == AVAHI_BROWSER_NEW)
98 /* We ignore the returned resolver object. In the callback function
99 we free it. If the server is terminated before the callback
100 function is called the server will free the resolver for us. */
102 if (!(avahi_s_service_resolver_new(s, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, resolve_callback, s)))
103 fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_server_errno(s)));
106 int main(int argc, char*argv[]) {
107 AvahiServerConfig config;
108 AvahiServer *server = NULL;
109 AvahiSServiceBrowser *sb;
113 /* Initialize the psuedo-RNG */
116 /* Allocate main loop object */
117 if (!(simple_poll = avahi_simple_poll_new())) {
118 fprintf(stderr, "Failed to create simple poll object.\n");
122 /* Do not publish any local records */
123 avahi_server_config_init(&config);
124 config.publish_hinfo = 0;
125 config.publish_addresses = 0;
126 config.publish_workstation = 0;
127 config.publish_domain = 0;
129 /* Allocate a new server */
130 server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, NULL, NULL, &error);
132 /* Free the configuration data */
133 avahi_server_config_free(&config);
135 /* Check wether creating the server object succeeded */
137 fprintf(stderr, "Failed to create server: %s\n", avahi_strerror(error));
141 /* Create the service browser */
142 if (!(sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, browse_callback, server))) {
143 fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_server_errno(server)));
147 /* Run the main loop */
149 if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
158 avahi_s_service_browser_free(sb);
161 avahi_server_free(server);
164 avahi_simple_poll_free(simple_poll);