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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Authors: halton.huo@sun.com
* Copyright (C) 2009 Sun Microsystems, 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "config.h"
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <pwd.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
#include "gdm-common.h"
#include "gdm-display.h"
#include "gdm-dynamic-display.h"
#define GDM_DYNAMIC_DISPLAY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_DYNAMIC_DISPLAY, GdmDynamicDisplayPrivate))
struct _GdmDynamicDisplayPrivate
{
gboolean removed;
gboolean do_respawn;
};
enum {
PROP_0,
};
static void gdm_dynamic_display_class_init (GdmDynamicDisplayClass *klass);
static void gdm_dynamic_display_init (GdmDynamicDisplay *display);
static void gdm_dynamic_display_finalize (GObject *object);
G_DEFINE_TYPE (GdmDynamicDisplay, gdm_dynamic_display, GDM_TYPE_DISPLAY)
void
gdm_dynamic_display_respawn (GdmDynamicDisplay *display, gboolean respawn)
{
display->priv->do_respawn = respawn;
if (display->priv->do_respawn == TRUE)
g_debug ("GdmDynamicDisplay: Set respawn to TRUE.");
else
g_debug ("GdmDynamicDisplay: Set respawn to FALSE.");
}
void
gdm_dynamic_display_removed (GdmDynamicDisplay *display)
{
display->priv->removed = TRUE;
}
static gboolean
gdm_dynamic_display_create_authority (GdmDisplay *display)
{
g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE);
GDM_DISPLAY_CLASS (gdm_dynamic_display_parent_class)->create_authority (display);
return TRUE;
}
static gboolean
gdm_dynamic_display_add_user_authorization (GdmDisplay *display,
const char *username,
char **filename,
GError **error)
{
return GDM_DISPLAY_CLASS (gdm_dynamic_display_parent_class)->add_user_authorization (display, username, filename, error);
}
static gboolean
gdm_dynamic_display_remove_user_authorization (GdmDisplay *display,
const char *username,
GError **error)
{
return GDM_DISPLAY_CLASS (gdm_dynamic_display_parent_class)->remove_user_authorization (display, username, error);
}
static gboolean
gdm_dynamic_display_manage (GdmDisplay *display)
{
g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE);
g_debug ("GdmDynamicDisplay: Manage dynamic display");
GDM_DISPLAY_CLASS (gdm_dynamic_display_parent_class)->manage (display);
return TRUE;
}
static gboolean
gdm_dynamic_display_finish (GdmDisplay *display)
{
int status;
g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE);
g_debug ("GdmDynamicDisplay: Finish dynamic display");
/* Don't call parent's finish since we don't ever
want to be put in the FINISHED state */
/* restart dynamic displays */
gdm_display_unmanage (display);
status = gdm_display_get_status (display);
if (GDM_DYNAMIC_DISPLAY (display)->priv->do_respawn == TRUE &&
GDM_DYNAMIC_DISPLAY(display)->priv->removed == FALSE) {
if (status != GDM_DISPLAY_FAILED) {
g_debug ("Respawning...");
gdm_display_manage (display);
} else {
g_debug ("Display failed, not respawning...");
}
} else {
g_debug ("Not respawning...");
}
GDM_DYNAMIC_DISPLAY (display)->priv->do_respawn = FALSE;
return TRUE;
}
static gboolean
gdm_dynamic_display_unmanage (GdmDisplay *display)
{
g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE);
g_debug ("GdmDynamicDisplay: Unmanage dynamic display");
GDM_DISPLAY_CLASS (gdm_dynamic_display_parent_class)->unmanage (display);
return TRUE;
}
static void
gdm_dynamic_display_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdm_dynamic_display_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdm_dynamic_display_class_init (GdmDynamicDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdmDisplayClass *display_class = GDM_DISPLAY_CLASS (klass);
object_class->get_property = gdm_dynamic_display_get_property;
object_class->set_property = gdm_dynamic_display_set_property;
object_class->finalize = gdm_dynamic_display_finalize;
display_class->create_authority = gdm_dynamic_display_create_authority;
display_class->add_user_authorization = gdm_dynamic_display_add_user_authorization;
display_class->remove_user_authorization = gdm_dynamic_display_remove_user_authorization;
display_class->manage = gdm_dynamic_display_manage;
display_class->finish = gdm_dynamic_display_finish;
display_class->unmanage = gdm_dynamic_display_unmanage;
g_type_class_add_private (klass, sizeof (GdmDynamicDisplayPrivate));
}
static void
gdm_dynamic_display_init (GdmDynamicDisplay *display)
{
display->priv = GDM_DYNAMIC_DISPLAY_GET_PRIVATE (display);
display->priv->removed = FALSE;
display->priv->do_respawn = FALSE;
}
static void
gdm_dynamic_display_finalize (GObject *object)
{
GdmDynamicDisplay *display;
g_return_if_fail (object != NULL);
g_return_if_fail (GDM_IS_DYNAMIC_DISPLAY (object));
g_debug ("GdmDynamicDisplay: Finalize dynamic display");
display = GDM_DYNAMIC_DISPLAY (object);
g_return_if_fail (display->priv != NULL);
G_OBJECT_CLASS (gdm_dynamic_display_parent_class)->finalize (object);
}
GdmDisplay *
gdm_dynamic_display_new (int display_number)
{
GObject *object;
char *x11_display;
x11_display = g_strdup_printf (":%d", display_number);
object = g_object_new (GDM_TYPE_DYNAMIC_DISPLAY,
"x11-display-number", display_number,
"x11-display-name", x11_display,
NULL);
g_free (x11_display);
return GDM_DISPLAY (object);
}
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