1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* $Id$ */
/***
This file is part of avahi.
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
avahi is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <avahi-common/alternative.h>
#include <avahi-common/malloc.h>
#include <avahi-common/simple-watch.h>
#include "core.h"
#include "log.h"
#include "lookup.h"
static char *name = NULL;
static AvahiSEntryGroup *group = NULL;
static int try = 0;
static AvahiServer *avahi = NULL;
static const AvahiPoll *poll_api;
static void dump_line(const char *text, void* userdata) {
printf("%s\n", text);
}
static void dump_timeout_callback(AvahiTimeout *timeout, void* data) {
struct timeval tv;
avahi_server_dump(avahi, dump_line, NULL);
avahi_elapse_time(&tv, 5000, 0);
poll_api->timeout_update(timeout, &tv);
}
static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata);
static void create_service(const char *t) {
char *n;
assert(t || name);
n = t ? avahi_strdup(t) : avahi_alternative_service_name(name);
avahi_free(name);
name = n;
if (group)
avahi_s_entry_group_reset(group);
else
group = avahi_s_entry_group_new(avahi, entry_group_callback, NULL);
avahi_server_add_service(avahi, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, name, "_http._tcp", NULL, NULL, 80, "foo", NULL);
avahi_s_entry_group_commit(group);
try++;
}
static void rename_timeout_callback(AvahiTimeout *timeout, void *userdata) {
struct timeval tv;
if (access("flag", F_OK) == 0) {
create_service("New - Bonjour Service Name");
return;
}
avahi_elapse_time(&tv, 5000, 0);
poll_api->timeout_update(timeout, &tv);
}
static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
if (state == AVAHI_ENTRY_GROUP_COLLISION)
create_service(NULL);
else if (state == AVAHI_ENTRY_GROUP_ESTABLISHED) {
avahi_log_debug("ESTABLISHED !!!!");
try = 0;
}
}
static void server_callback(AvahiServer *s, AvahiServerState state, void* userdata) {
avahi_log_debug("server state: %i", state);
if (state == AVAHI_SERVER_RUNNING) {
create_service("gurke");
avahi_server_dump(avahi, dump_line, NULL);
}
}
int main(int argc, char *argv[]) {
int error;
AvahiSimplePoll *simple_poll;
struct timeval tv;
simple_poll = avahi_simple_poll_new();
poll_api = avahi_simple_poll_get(simple_poll);
avahi = avahi_server_new(poll_api, NULL, server_callback, NULL, &error);
avahi_elapse_time(&tv, 5000, 0);
poll_api->timeout_new(poll_api, &tv, dump_timeout_callback, avahi);
avahi_elapse_time(&tv, 5000, 0);
poll_api->timeout_new(poll_api, &tv, rename_timeout_callback, avahi);
for (;;)
if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
break;
if (group)
avahi_s_entry_group_free(group);
avahi_server_free(avahi);
avahi_simple_poll_free(simple_poll);
return 0;
}
|
