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-rw-r--r--examples/glib-integration.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/examples/glib-integration.c b/examples/glib-integration.c
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+/* $Id$ */
+
+/***
+ 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.
+***/
+
+#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 (AvahiTimeout *timeout, 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 (AvahiClient *client, AvahiClientState state, void *userdata)
+{
+ GMainLoop *loop = userdata;
+
+ g_message ("Avahi Client State Change: %d", state);
+
+ if (state == AVAHI_CLIENT_DISCONNECTED)
+ {
+ /* We we're disconnected from the Daemon */
+ g_message ("Disconnected from the Avahi Daemon");
+
+ /* Quit the application */
+ g_main_loop_quit (loop);
+ }
+}
+
+int
+main (int argc, 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 */
+ 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);
+}