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 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 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 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
