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/**
* Create a gnome-settings-daemon helper easily
*
* #define NEW gsd_media_keys_manager_new
* #define START gsd_media_keys_manager_start
* #define MANAGER GsdMediaKeysManager
* #include "gsd-media-keys-manager.h"
*
* #include "daemon-skeleton.h"
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <locale.h>
#include <glib-unix.h>
#include <glib/gi18n.h>
#include "gnome-settings-bus.h"
#ifndef PLUGIN_NAME
#error Include PLUGIN_CFLAGS in the daemon s CFLAGS
#endif /* !PLUGIN_NAME */
#ifndef PLUGIN_DBUS_NAME
#error Include PLUGIN_DBUS_NAME in the daemon s CFLAGS
#endif /* !PLUGIN_DBUS_NAME */
#define GNOME_SESSION_DBUS_NAME "org.gnome.SessionManager"
#define GNOME_SESSION_CLIENT_PRIVATE_DBUS_INTERFACE "org.gnome.SessionManager.ClientPrivate"
static MANAGER *manager = NULL;
static int timeout = -1;
static char *dummy_name = NULL;
static gboolean verbose = FALSE;
static GOptionEntry entries[] = {
{ "exit-time", 0, 0, G_OPTION_ARG_INT, &timeout, "Exit after n seconds time", NULL },
{ "dummy-name", 0, 0, G_OPTION_ARG_STRING, &dummy_name, "Name when using the dummy daemon", NULL },
{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Verbose", NULL },
{NULL}
};
static void
respond_to_end_session (GDBusProxy *proxy)
{
/* we must answer with "EndSessionResponse" */
g_dbus_proxy_call (proxy, "EndSessionResponse",
g_variant_new ("(bs)", TRUE, ""),
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, NULL, NULL);
}
static void
do_stop (GMainLoop *loop)
{
g_main_loop_quit (loop);
}
static void
client_proxy_signal_cb (GDBusProxy *proxy,
gchar *sender_name,
gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
if (g_strcmp0 (signal_name, "QueryEndSession") == 0) {
g_debug ("Got QueryEndSession signal");
respond_to_end_session (proxy);
} else if (g_strcmp0 (signal_name, "EndSession") == 0) {
g_debug ("Got EndSession signal");
respond_to_end_session (proxy);
} else if (g_strcmp0 (signal_name, "Stop") == 0) {
g_debug ("Got Stop signal");
do_stop (user_data);
}
}
static void
on_client_registered (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GVariant *variant;
GMainLoop *loop = user_data;
GDBusProxy *client_proxy;
GError *error = NULL;
gchar *object_path = NULL;
variant = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object), res, &error);
if (!variant) {
g_warning ("Unable to register client: %s", error->message);
g_error_free (error);
return;
}
g_variant_get (variant, "(o)", &object_path);
g_debug ("Registered client at path %s", object_path);
client_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, 0, NULL,
GNOME_SESSION_DBUS_NAME,
object_path,
GNOME_SESSION_CLIENT_PRIVATE_DBUS_INTERFACE,
NULL,
&error);
if (!client_proxy) {
g_warning ("Unable to get the session client proxy: %s", error->message);
g_error_free (error);
return;
}
g_signal_connect (client_proxy, "g-signal",
G_CALLBACK (client_proxy_signal_cb), loop);
g_free (object_path);
g_variant_unref (variant);
}
static void
register_with_gnome_session (GMainLoop *loop)
{
GDBusProxy *proxy;
const char *startup_id;
proxy = G_DBUS_PROXY (gnome_settings_bus_get_session_proxy ());
startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
g_dbus_proxy_call (proxy,
"RegisterClient",
g_variant_new ("(ss)", dummy_name ? dummy_name : PLUGIN_NAME, startup_id ? startup_id : ""),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) on_client_registered,
loop);
/* DESKTOP_AUTOSTART_ID must not leak into child processes, because
* it can't be reused. Child processes will not know whether this is
* a genuine value or erroneous already-used value. */
g_unsetenv ("DESKTOP_AUTOSTART_ID");
}
static gboolean
handle_sigterm (gpointer user_data)
{
GMainLoop *main_loop = user_data;
g_debug ("Got SIGTERM; shutting down ...");
if (g_main_loop_is_running (main_loop))
g_main_loop_quit (main_loop);
return G_SOURCE_REMOVE;
}
static void
install_signal_handler (GMainLoop *loop)
{
g_autoptr(GSource) source = NULL;
source = g_unix_signal_source_new (SIGTERM);
g_source_set_callback (source, handle_sigterm, loop, NULL);
g_source_attach (source, NULL);
}
static void
bus_acquired_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data G_GNUC_UNUSED)
{
g_debug ("%s: acquired bus %p for name %s", G_STRFUNC, connection, name);
}
static void
name_acquired_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data G_GNUC_UNUSED)
{
g_debug ("%s: acquired name %s on bus %p", G_STRFUNC, name, connection);
}
static void
name_lost_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data G_GNUC_UNUSED)
{
g_debug ("%s: lost name %s on bus %p", G_STRFUNC, name, connection);
}
int
main (int argc, char **argv)
{
GError *error = NULL;
GOptionContext *context;
GMainLoop *loop;
guint name_own_id;
bindtextdomain (GETTEXT_PACKAGE, GNOME_SETTINGS_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
setlocale (LC_ALL, "");
context = g_option_context_new (NULL);
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
if (!g_option_context_parse (context, &argc, &argv, &error)) {
fprintf (stderr, "%s\n", error->message);
g_error_free (error);
exit (1);
}
g_option_context_free (context);
loop = g_main_loop_new (NULL, FALSE);
if (verbose) {
g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
/* Work around GLib not flushing the output for us by explicitly
* setting buffering to a sane behaviour. This is important
* during testing when the output is not going to a TTY and
* we are reading messages from g_debug on stdout.
*
* See also
* https://bugzilla.gnome.org/show_bug.cgi?id=792432
*/
setlinebuf (stdout);
}
if (timeout > 0) {
guint id;
id = g_timeout_add_seconds (timeout, (GSourceFunc) g_main_loop_quit, loop);
g_source_set_name_by_id (id, "[gnome-settings-daemon] g_main_loop_quit");
}
install_signal_handler (loop);
manager = NEW ();
register_with_gnome_session (loop);
if (!START (manager, &error)) {
fprintf (stderr, "Failed to start: %s\n", error->message);
g_error_free (error);
exit (1);
}
name_own_id = g_bus_own_name (G_BUS_TYPE_SESSION,
PLUGIN_DBUS_NAME,
G_BUS_NAME_OWNER_FLAGS_DO_NOT_QUEUE,
bus_acquired_cb,
name_acquired_cb,
name_lost_cb,
NULL, /* user_data */
NULL /* user_data_free_func */);
g_main_loop_run (loop);
STOP (manager);
g_object_unref (manager);
g_bus_unown_name (name_own_id);
return 0;
}
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