146 lines
4.7 KiB
C
146 lines
4.7 KiB
C
/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <glib.h>
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#include <avahi-client/client.h>
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#include <avahi-common/error.h>
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#include <avahi-common/timeval.h>
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#include <avahi-glib/glib-watch.h>
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#include <avahi-glib/glib-malloc.h>
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/* Callback for Avahi API Timeout Event */
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static void
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avahi_timeout_event (AVAHI_GCC_UNUSED AvahiTimeout *timeout, AVAHI_GCC_UNUSED void *userdata)
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{
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g_message ("Avahi API Timeout reached!");
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}
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/* Callback for GLIB API Timeout Event */
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static gboolean
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avahi_timeout_event_glib (void *userdata)
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{
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GMainLoop *loop = userdata;
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g_message ("GLIB API Timeout reached, quitting main loop!");
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/* Quit the application */
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g_main_loop_quit (loop);
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return FALSE; /* Don't re-schedule timeout event */
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}
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/* Callback for state changes on the Client */
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static void
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avahi_client_callback (AVAHI_GCC_UNUSED AvahiClient *client, AvahiClientState state, void *userdata)
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{
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GMainLoop *loop = userdata;
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g_message ("Avahi Client State Change: %d", state);
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if (state == AVAHI_CLIENT_FAILURE)
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{
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/* We we're disconnected from the Daemon */
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g_message ("Disconnected from the Avahi Daemon: %s", avahi_strerror(avahi_client_errno(client)));
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/* Quit the application */
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g_main_loop_quit (loop);
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}
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}
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int
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main (AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[])
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{
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GMainLoop *loop = NULL;
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const AvahiPoll *poll_api;
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AvahiGLibPoll *glib_poll;
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AvahiClient *client;
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struct timeval tv;
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const char *version;
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int error;
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/* Optional: Tell avahi to use g_malloc and g_free */
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avahi_set_allocator (avahi_glib_allocator ());
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/* Create the GLIB main loop */
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loop = g_main_loop_new (NULL, FALSE);
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/* Create the GLIB Adaptor */
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glib_poll = avahi_glib_poll_new (NULL, G_PRIORITY_DEFAULT);
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poll_api = avahi_glib_poll_get (glib_poll);
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/* Example, schedule a timeout event with the Avahi API */
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avahi_elapse_time (&tv, /* timeval structure */
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1000, /* 1 second */
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0); /* "jitter" - Random additional delay from 0 to this value */
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poll_api->timeout_new (poll_api, /* The AvahiPoll object */
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&tv, /* struct timeval indicating when to go activate */
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avahi_timeout_event, /* Pointer to function to call */
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NULL); /* User data to pass to function */
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/* Schedule a timeout event with the glib api */
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g_timeout_add (5000, /* 5 seconds */
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avahi_timeout_event_glib, /* Pointer to function callback */
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loop); /* User data to pass to function */
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/* Create a new AvahiClient instance */
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client = avahi_client_new (poll_api, /* AvahiPoll object from above */
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0,
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avahi_client_callback, /* Callback function for Client state changes */
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loop, /* User data */
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&error); /* Error return */
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/* Check the error return code */
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if (client == NULL)
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{
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/* Print out the error string */
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g_warning ("Error initializing Avahi: %s", avahi_strerror (error));
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goto fail;
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}
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/* Make a call to get the version string from the daemon */
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version = avahi_client_get_version_string (client);
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/* Check if the call suceeded */
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if (version == NULL)
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{
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g_warning ("Error getting version string: %s", avahi_strerror (avahi_client_errno (client)));
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goto fail;
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}
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g_message ("Avahi Server Version: %s", version);
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/* Start the GLIB Main Loop */
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g_main_loop_run (loop);
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fail:
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/* Clean up */
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g_main_loop_unref (loop);
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avahi_client_free (client);
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avahi_glib_poll_free (glib_poll);
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return 0;
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}
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