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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
* save-session.c - Small program to talk to session manager.
Copyright (C) 1998 Tom Tromey
Copyright (C) 2008 Red Hat, Inc.
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, 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#define GSM_SERVICE_DBUS "org.gnome.SessionManager"
#define GSM_PATH_DBUS "/org/gnome/SessionManager"
#define GSM_INTERFACE_DBUS "org.gnome.SessionManager"
enum {
GSM_LOGOUT_MODE_NORMAL = 0,
GSM_LOGOUT_MODE_NO_CONFIRMATION,
GSM_LOGOUT_MODE_FORCE
};
static gboolean opt_logout = FALSE;
static gboolean opt_power_off = FALSE;
static gboolean opt_reboot = FALSE;
static gboolean opt_no_prompt = FALSE;
static gboolean opt_force = FALSE;
static GOptionEntry options[] = {
{"logout", '\0', 0, G_OPTION_ARG_NONE, &opt_logout, N_("Log out"), NULL},
{"power-off", '\0', 0, G_OPTION_ARG_NONE, &opt_power_off, N_("Power off"), NULL},
{"reboot", '\0', 0, G_OPTION_ARG_NONE, &opt_reboot, N_("Reboot"), NULL},
{"force", '\0', 0, G_OPTION_ARG_NONE, &opt_force, N_("Ignoring any existing inhibitors"), NULL},
{"no-prompt", '\0', 0, G_OPTION_ARG_NONE, &opt_no_prompt, N_("Don't prompt for user confirmation"), NULL},
{NULL}
};
static void
display_error (const char *message)
{
g_printerr ("%s\n", message);
}
static DBusGConnection *
get_session_bus (void)
{
DBusGConnection *bus;
GError *error = NULL;
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (bus == NULL) {
g_warning ("Couldn't connect to session bus: %s", error->message);
g_error_free (error);
}
return bus;
}
static DBusGProxy *
get_sm_proxy (void)
{
DBusGConnection *connection;
DBusGProxy *sm_proxy;
connection = get_session_bus ();
if (connection == NULL) {
display_error (_("Could not connect to the session manager"));
return NULL;
}
sm_proxy = dbus_g_proxy_new_for_name (connection,
GSM_SERVICE_DBUS,
GSM_PATH_DBUS,
GSM_INTERFACE_DBUS);
if (sm_proxy == NULL) {
display_error (_("Could not connect to the session manager"));
return NULL;
}
return sm_proxy;
}
static void
do_logout (unsigned int mode)
{
DBusGProxy *sm_proxy;
GError *error;
gboolean res;
sm_proxy = get_sm_proxy ();
if (sm_proxy == NULL) {
return;
}
error = NULL;
res = dbus_g_proxy_call (sm_proxy,
"Logout",
&error,
G_TYPE_UINT, mode,
G_TYPE_INVALID,
G_TYPE_INVALID);
if (!res) {
if (error != NULL) {
g_warning ("Failed to call logout: %s",
error->message);
g_error_free (error);
} else {
g_warning ("Failed to call logout");
}
}
g_clear_object (&sm_proxy);
}
static void
do_power_off (const char *action)
{
DBusGProxy *sm_proxy;
GError *error;
gboolean res;
sm_proxy = get_sm_proxy ();
if (sm_proxy == NULL) {
return;
}
error = NULL;
res = dbus_g_proxy_call (sm_proxy,
action,
&error,
G_TYPE_INVALID,
G_TYPE_INVALID);
if (!res) {
if (error != NULL) {
g_warning ("Failed to call %s: %s",
action, error->message);
g_error_free (error);
} else {
g_warning ("Failed to call %s", action);
}
}
g_clear_object (&sm_proxy);
}
int
main (int argc, char *argv[])
{
GError *error;
int conflicting_options;
GOptionContext *ctx;
/* Initialize the i18n stuff */
bindtextdomain (GETTEXT_PACKAGE, LOCALE_DIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
error = NULL;
ctx = g_option_context_new ("");
g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
if (! g_option_context_parse (ctx, &argc, &argv, &error)) {
g_warning ("Unable to start: %s", error->message);
g_error_free (error);
exit (1);
}
g_option_context_free (ctx);
conflicting_options = 0;
if (opt_logout)
conflicting_options++;
if (opt_power_off)
conflicting_options++;
if (opt_reboot)
conflicting_options++;
if (conflicting_options > 1)
display_error (_("Program called with conflicting options"));
if (opt_power_off) {
do_power_off ("Shutdown");
} else if (opt_reboot) {
do_power_off ("Reboot");
} else {
/* default to logout */
if (opt_force)
do_logout (GSM_LOGOUT_MODE_FORCE);
else if (opt_no_prompt)
do_logout (GSM_LOGOUT_MODE_NO_CONFIRMATION);
else
do_logout (GSM_LOGOUT_MODE_NORMAL);
}
return 0;
}
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