diff options
Diffstat (limited to 'examples/C/glib/monitor-nm-running-dbus-glib.c')
| -rw-r--r-- | examples/C/glib/monitor-nm-running-dbus-glib.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/examples/C/glib/monitor-nm-running-dbus-glib.c b/examples/C/glib/monitor-nm-running-dbus-glib.c deleted file mode 100644 index 0b01a57f06..0000000000 --- a/examples/C/glib/monitor-nm-running-dbus-glib.c +++ /dev/null @@ -1,127 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* vim: set ft=c ts=4 sts=4 sw=4 noexpandtab smartindent: */ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * (C) Copyright 2012 Red Hat, Inc. - */ - -/* - * This example monitors whether NM is running by checking D-Bus - * NameOwnerChanged signal. - * It uses dbus-glib library. - * - * Standalone compilation: - * gcc -Wall `pkg-config --libs --cflags glib-2.0 dbus-glib-1` monitor-nm-running.c -o monitor-nm-running - */ - -#include <glib.h> -#include <dbus/dbus-glib.h> -#include <dbus/dbus-glib-bindings.h> -#include <string.h> - -#define NM_DBUS_SERVICE "org.freedesktop.NetworkManager" - -static void -proxy_name_owner_changed (DBusGProxy *proxy, - const char *name, - const char *old_owner, - const char *new_owner, - gpointer user_data) -{ - gboolean *nm_running = (gboolean *) user_data; - gboolean old_good = (old_owner && strlen (old_owner)); - gboolean new_good = (new_owner && strlen (new_owner)); - gboolean new_running = FALSE; - - /* We are only interested in NetworkManager */ - if (!name || strcmp (name, NM_DBUS_SERVICE) != 0) - return; - - if (!old_good && new_good) - new_running = TRUE; - else if (old_good && !new_good) - new_running = FALSE; - - *nm_running = new_running; - - g_print ("name: '%s', old_owner: '%s', new_owner: '%s'", name, old_owner, new_owner); - g_print (" => NM is %s\n", *nm_running ? "running" : "not running"); -} - - -int -main (int argc, char *argv[]) -{ - DBusGConnection *bus; - DBusGProxy *bus_proxy; - GMainLoop *loop = NULL; - GError *err = NULL; - gboolean nm_running; - -#if !GLIB_CHECK_VERSION (2, 35, 0) - /* Initialize GType system */ - g_type_init (); -#endif - - g_print ("Monitor 'org.freedesktop.NetworkManager' D-Bus name\n"); - g_print ("===================================================\n"); - - /* Get system bus */ - bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL); - - /* Create a D-Bus proxy to D-Bus daemon */ - bus_proxy = dbus_g_proxy_new_for_name (bus, - "org.freedesktop.DBus", - "/org/freedesktop/DBus", - "org.freedesktop.DBus"); - - if (!bus_proxy) { - g_message ("Error: Couldn't create D-Bus object proxy for org.freedesktop.DBus."); - dbus_g_connection_unref (bus); - return -1; - } - - /* Call NameHasOwner method to find out if NM is running. When NM runs it claims - * 'org.freedesktop.NetworkManager' service name on D-Bus */ - if (!org_freedesktop_DBus_name_has_owner (bus_proxy, NM_DBUS_SERVICE, &nm_running, &err)) { - g_message ("Error: NameHasOwner request failed: %s", - (err && err->message) ? err->message : "(unknown)"); - g_clear_error (&err); - g_object_unref (bus_proxy); - dbus_g_connection_unref (bus); - return -1; - } - g_print ("NM is %s\n", nm_running ? "running" : "not running"); - - - /* Connect to NameOwnerChanged signal to monitor NM running state */ - dbus_g_proxy_add_signal (bus_proxy, "NameOwnerChanged", - G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, - G_TYPE_INVALID); - dbus_g_proxy_connect_signal (bus_proxy, - "NameOwnerChanged", - G_CALLBACK (proxy_name_owner_changed), - &nm_running, NULL); - - loop = g_main_loop_new (NULL, FALSE); /* Create main loop */ - g_main_loop_run (loop); /* Run main loop */ - - g_object_unref (bus_proxy); - dbus_g_connection_unref (bus); - - return 0; -} - |