1 /***
2 This file is part of avahi.
3
4 avahi 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.
8
9 avahi 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.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with avahi; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17 USA.
18 ***/
19
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <stdlib.h>
25 #include <assert.h>
26
27 #include <avahi-common/malloc.h>
28 #include <avahi-common/simple-watch.h>
29 #include <avahi-common/alternative.h>
30 #include <avahi-common/timeval.h>
31
32 #include <avahi-core/core.h>
33 #include <avahi-core/log.h>
34 #include <avahi-core/publish.h>
35 #include <avahi-core/lookup.h>
36
37 #define DOMAIN NULL
38 #define SERVICE_TYPE "_http._tcp"
39
40 static AvahiSServiceBrowser *service_browser1 = NULL, *service_browser2 = NULL;
41 static const AvahiPoll * poll_api = NULL;
42 static AvahiServer *server = NULL;
43 static AvahiSimplePoll *simple_poll;
44
browser_event_to_string(AvahiBrowserEvent event)45 static const char *browser_event_to_string(AvahiBrowserEvent event) {
46 switch (event) {
47 case AVAHI_BROWSER_NEW : return "NEW";
48 case AVAHI_BROWSER_REMOVE : return "REMOVE";
49 case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CACHE_EXHAUSTED";
50 case AVAHI_BROWSER_ALL_FOR_NOW : return "ALL_FOR_NOW";
51 case AVAHI_BROWSER_FAILURE : return "FAILURE";
52 }
53
54 abort();
55 }
56
sb_callback(AvahiSServiceBrowser * b,AvahiIfIndex iface,AvahiProtocol protocol,AvahiBrowserEvent event,const char * name,const char * service_type,const char * domain,AvahiLookupResultFlags flags,AVAHI_GCC_UNUSED void * userdata)57 static void sb_callback(
58 AvahiSServiceBrowser *b,
59 AvahiIfIndex iface,
60 AvahiProtocol protocol,
61 AvahiBrowserEvent event,
62 const char *name,
63 const char *service_type,
64 const char *domain,
65 AvahiLookupResultFlags flags,
66 AVAHI_GCC_UNUSED void* userdata) {
67 avahi_log_debug("SB%i: (%i.%s) <%s> as <%s> in <%s> [%s] cached=%i", b == service_browser1 ? 1 : 2, iface, avahi_proto_to_string(protocol), name, service_type, domain, browser_event_to_string(event), !!(flags & AVAHI_LOOKUP_RESULT_CACHED));
68 }
69
create_second_service_browser(AvahiTimeout * timeout,AVAHI_GCC_UNUSED void * userdata)70 static void create_second_service_browser(AvahiTimeout *timeout, AVAHI_GCC_UNUSED void* userdata) {
71
72 service_browser2 = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, SERVICE_TYPE, DOMAIN, 0, sb_callback, NULL);
73 assert(service_browser2);
74
75 poll_api->timeout_free(timeout);
76 }
77
quit(AVAHI_GCC_UNUSED AvahiTimeout * timeout,AVAHI_GCC_UNUSED void * userdata)78 static void quit(AVAHI_GCC_UNUSED AvahiTimeout *timeout, AVAHI_GCC_UNUSED void *userdata) {
79 avahi_simple_poll_quit(simple_poll);
80 }
81
main(AVAHI_GCC_UNUSED int argc,AVAHI_GCC_UNUSED char * argv[])82 int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
83 struct timeval tv;
84 AvahiServerConfig config;
85
86 simple_poll = avahi_simple_poll_new();
87 assert(simple_poll);
88
89 poll_api = avahi_simple_poll_get(simple_poll);
90 assert(poll_api);
91
92 avahi_server_config_init(&config);
93 config.publish_hinfo = 0;
94 config.publish_addresses = 0;
95 config.publish_workstation = 0;
96 config.publish_domain = 0;
97
98 avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]);
99 config.n_wide_area_servers = 1;
100 config.enable_wide_area = 1;
101
102 server = avahi_server_new(poll_api, &config, NULL, NULL, NULL);
103 assert(server);
104 avahi_server_config_free(&config);
105
106 service_browser1 = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, SERVICE_TYPE, DOMAIN, 0, sb_callback, NULL);
107 assert(service_browser1);
108
109 poll_api->timeout_new(poll_api, avahi_elapse_time(&tv, 10000, 0), create_second_service_browser, NULL);
110
111 poll_api->timeout_new(poll_api, avahi_elapse_time(&tv, 60000, 0), quit, NULL);
112
113
114 for (;;)
115 if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
116 break;
117
118 avahi_server_free(server);
119 avahi_simple_poll_free(simple_poll);
120
121 return 0;
122 }
123