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 <unistd.h>
26 #include <assert.h>
27 #include <errno.h>
28 #include <string.h>
29
30 #include <avahi-common/watch.h>
31 #include <avahi-common/timeval.h>
32 #include <avahi-common/gccmacro.h>
33
34 #include "glib-watch.h"
35
36 static const AvahiPoll *api = NULL;
37 static GMainLoop *loop = NULL;
38
callback(AvahiWatch * w,int fd,AvahiWatchEvent event,AVAHI_GCC_UNUSED void * userdata)39 static void callback(AvahiWatch *w, int fd, AvahiWatchEvent event, AVAHI_GCC_UNUSED void *userdata) {
40
41 if (event & AVAHI_WATCH_IN) {
42 ssize_t r;
43 char c;
44
45 if ((r = read(fd, &c, 1)) <= 0) {
46 fprintf(stderr, "read() failed: %s\n", r < 0 ? strerror(errno) : "EOF");
47 api->watch_free(w);
48 return;
49 }
50
51 printf("Read: %c\n", c >= 32 && c < 127 ? c : '.');
52 }
53 }
54
wakeup(AvahiTimeout * t,AVAHI_GCC_UNUSED void * userdata)55 static void wakeup(AvahiTimeout *t, AVAHI_GCC_UNUSED void *userdata) {
56 struct timeval tv;
57 static int i = 0;
58
59 printf("Wakeup #%i\n", i++);
60
61 if (i > 10)
62 g_main_loop_quit(loop);
63
64 avahi_elapse_time(&tv, 1000, 0);
65 api->timeout_update(t, &tv);
66 }
67
main(AVAHI_GCC_UNUSED int argc,AVAHI_GCC_UNUSED char * argv[])68 int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
69 AvahiGLibPoll *g;
70 struct timeval tv;
71
72 g = avahi_glib_poll_new(NULL, G_PRIORITY_DEFAULT);
73 assert(g);
74
75 api = avahi_glib_poll_get(g);
76
77 api->watch_new(api, 0, AVAHI_WATCH_IN, callback, NULL);
78
79 avahi_elapse_time(&tv, 1000, 0);
80 api->timeout_new(api, &tv, wakeup, NULL);
81
82 loop = g_main_loop_new(NULL, FALSE);
83 g_main_loop_run(loop);
84 g_main_loop_unref(loop);
85
86 avahi_glib_poll_free(g);
87
88 return 0;
89 }
90