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/***
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 <glib.h>
#include <avahi-client/client.h>
#include <avahi-common/error.h>
#include <avahi-common/timeval.h>
#include <avahi-glib/glib-watch.h>
#include <avahi-glib/glib-malloc.h>
/* Callback for Avahi API Timeout Event */
static void
avahi_timeout_event (AVAHI_GCC_UNUSED AvahiTimeout *timeout, AVAHI_GCC_UNUSED void *userdata)
{
g_message ("Avahi API Timeout reached!");
}
/* Callback for GLIB API Timeout Event */
static gboolean
avahi_timeout_event_glib (void *userdata)
{
GMainLoop *loop = userdata;
g_message ("GLIB API Timeout reached, quitting main loop!");
/* Quit the application */
g_main_loop_quit (loop);
return FALSE; /* Don't re-schedule timeout event */
}
/* Callback for state changes on the Client */
static void
avahi_client_callback (AVAHI_GCC_UNUSED AvahiClient *client, AvahiClientState state, void *userdata)
{
GMainLoop *loop = userdata;
g_message ("Avahi Client State Change: %d", state);
if (state == AVAHI_CLIENT_FAILURE)
{
/* We we're disconnected from the Daemon */
g_message ("Disconnected from the Avahi Daemon: %s", avahi_strerror(avahi_client_errno(client)));
/* Quit the application */
g_main_loop_quit (loop);
}
}
int
main (AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[])
{
GMainLoop *loop = NULL;
const AvahiPoll *poll_api;
AvahiGLibPoll *glib_poll;
AvahiClient *client;
struct timeval tv;
const char *version;
int error;
/* Optional: Tell avahi to use g_malloc and g_free */
avahi_set_allocator (avahi_glib_allocator ());
/* Create the GLIB main loop */
loop = g_main_loop_new (NULL, FALSE);
/* Create the GLIB Adaptor */
glib_poll = avahi_glib_poll_new (NULL, G_PRIORITY_DEFAULT);
poll_api = avahi_glib_poll_get (glib_poll);
/* Example, schedule a timeout event with the Avahi API */
avahi_elapse_time (&tv, /* timeval structure */
1000, /* 1 second */
0); /* "jitter" - Random additional delay from 0 to this value */
poll_api->timeout_new (poll_api, /* The AvahiPoll object */
&tv, /* struct timeval indicating when to go activate */
avahi_timeout_event, /* Pointer to function to call */
NULL); /* User data to pass to function */
/* Schedule a timeout event with the glib api */
g_timeout_add (5000, /* 5 seconds */
avahi_timeout_event_glib, /* Pointer to function callback */
loop); /* User data to pass to function */
/* Create a new AvahiClient instance */
client = avahi_client_new (poll_api, /* AvahiPoll object from above */
0,
avahi_client_callback, /* Callback function for Client state changes */
loop, /* User data */
&error); /* Error return */
/* Check the error return code */
if (client == NULL)
{
/* Print out the error string */
g_warning ("Error initializing Avahi: %s", avahi_strerror (error));
goto fail;
}
/* Make a call to get the version string from the daemon */
version = avahi_client_get_version_string (client);
/* Check if the call suceeded */
if (version == NULL)
{
g_warning ("Error getting version string: %s", avahi_strerror (avahi_client_errno (client)));
goto fail;
}
g_message ("Avahi Server Version: %s", version);
/* Start the GLIB Main Loop */
g_main_loop_run (loop);
fail:
/* Clean up */
g_main_loop_unref (loop);
avahi_client_free (client);
avahi_glib_poll_free (glib_poll);
return 0;
}
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