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 <stdio.h>
25 #include <assert.h>
26
27 #include <avahi-client/client.h>
28 #include <avahi-client/lookup.h>
29 #include <avahi-common/error.h>
30 #include <avahi-common/simple-watch.h>
31 #include "avahi-common/avahi-malloc.h"
32
hexdump(const void * p,size_t size)33 static void hexdump(const void* p, size_t size) {
34 const uint8_t *c = p;
35 assert(p);
36
37 printf("Dumping %lu bytes from %p:\n", (unsigned long) size, p);
38
39 while (size > 0) {
40 unsigned i;
41
42 for (i = 0; i < 16; i++) {
43 if (i < size)
44 printf("%02x ", c[i]);
45 else
46 printf(" ");
47 }
48
49 for (i = 0; i < 16; i++) {
50 if (i < size)
51 printf("%c", c[i] >= 32 && c[i] < 127 ? c[i] : '.');
52 else
53 printf(" ");
54 }
55
56 printf("\n");
57
58 c += 16;
59
60 if (size <= 16)
61 break;
62
63 size -= 16;
64 }
65 }
66
callback(AVAHI_GCC_UNUSED AvahiRecordBrowser * r,AVAHI_GCC_UNUSED AvahiIfIndex interface,AVAHI_GCC_UNUSED AvahiProtocol protocol,AvahiBrowserEvent event,const char * name,uint16_t clazz,uint16_t type,const void * rdata,size_t rdata_size,AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,AVAHI_GCC_UNUSED void * userdata)67 static void callback(
68 AVAHI_GCC_UNUSED AvahiRecordBrowser *r,
69 AVAHI_GCC_UNUSED AvahiIfIndex interface,
70 AVAHI_GCC_UNUSED AvahiProtocol protocol,
71 AvahiBrowserEvent event,
72 const char *name,
73 uint16_t clazz,
74 uint16_t type,
75 const void *rdata,
76 size_t rdata_size,
77 AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
78 AVAHI_GCC_UNUSED void *userdata) {
79
80 fprintf(stderr, "%i name=%s class=%u type=%u\n", event, name, clazz, type);
81
82 if (rdata)
83 hexdump(rdata, rdata_size);
84 }
85
main(AVAHI_GCC_UNUSED int argc,AVAHI_GCC_UNUSED char * argv[])86 int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
87
88 AvahiSimplePoll *simple_poll;
89 const AvahiPoll *poll_api;
90 AvahiClient *client;
91 AvahiRecordBrowser *r;
92
93 simple_poll = avahi_simple_poll_new();
94 assert(simple_poll);
95
96 poll_api = avahi_simple_poll_get(simple_poll);
97 assert(poll_api);
98
99 client = avahi_client_new(poll_api, 0, NULL, NULL, NULL);
100 assert(client);
101
102 r = avahi_record_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "ecstasy.local", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, 0, callback, simple_poll);
103 assert(r);
104
105 avahi_simple_poll_loop(simple_poll);
106
107 avahi_client_free(client);
108 avahi_simple_poll_free(simple_poll);
109
110 return 0;
111 }
112