gio/gdbusobjectskeleton.c - third_party/glib - Git at Google

 /* GDBus - GLib D-Bus Library
  *
  * Copyright (C) 2008-2010 Red Hat, Inc.
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
  *
  * This library 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.
  *
  * This library 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 this library; if not, see <http://www.gnu.org/licenses/>.
  *
  * Author: David Zeuthen <davidz@redhat.com>
  */

 #include "config.h"

 #include "gdbusobject.h"
 #include "gdbusobjectskeleton.h"
 #include "gdbusinterfaceskeleton.h"
 #include "gdbusprivate.h"
 #include "gdbusmethodinvocation.h"
 #include "gdbusintrospection.h"
 #include "gdbusinterface.h"
 #include "gdbusutils.h"

 #include "glibintl.h"

 /**
  * GDBusObjectSkeleton:
  *
  * A `GDBusObjectSkeleton` instance is essentially a group of D-Bus
  * interfaces. The set of exported interfaces on the object may be
  * dynamic and change at runtime.
  *
  * This type is intended to be used with [iface@Gio.DBusObjectManager].
  *
  * Since: 2.30
  */

 struct _GDBusObjectSkeletonPrivate
 {
   GMutex lock;
   gchar *object_path;
   GHashTable *map_name_to_iface;
 };

 enum
 {
   PROP_0,
   PROP_G_OBJECT_PATH
 };

 enum
 {
   AUTHORIZE_METHOD_SIGNAL,
   LAST_SIGNAL,
 };

 static guint signals[LAST_SIGNAL] = {0};

 static void dbus_object_interface_init (GDBusObjectIface *iface);

 G_DEFINE_TYPE_WITH_CODE (GDBusObjectSkeleton, g_dbus_object_skeleton, G_TYPE_OBJECT,
                          G_ADD_PRIVATE (GDBusObjectSkeleton)
                          G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_OBJECT, dbus_object_interface_init))


 static void
 g_dbus_object_skeleton_finalize (GObject *_object)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

   g_free (object->priv->object_path);
   g_hash_table_unref (object->priv->map_name_to_iface);

   g_mutex_clear (&object->priv->lock);

   if (G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize != NULL)
     G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize (_object);
 }

 static void
 g_dbus_object_skeleton_get_property (GObject    *_object,
                                      guint       prop_id,
                                      GValue     *value,
                                      GParamSpec *pspec)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

   switch (prop_id)
     {
     case PROP_G_OBJECT_PATH:
       g_mutex_lock (&object->priv->lock);
       g_value_set_string (value, object->priv->object_path);
       g_mutex_unlock (&object->priv->lock);
       break;

     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
     }
 }

 static void
 g_dbus_object_skeleton_set_property (GObject       *_object,
                                      guint          prop_id,
                                      const GValue  *value,
                                      GParamSpec    *pspec)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

   switch (prop_id)
     {
     case PROP_G_OBJECT_PATH:
       g_dbus_object_skeleton_set_object_path (object, g_value_get_string (value));
       break;

     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
     }
 }

 static gboolean
 g_dbus_object_skeleton_authorize_method_default (GDBusObjectSkeleton    *object,
                                                  GDBusInterfaceSkeleton *interface,
                                                  GDBusMethodInvocation  *invocation)
 {
   return TRUE;
 }

 static void
 g_dbus_object_skeleton_class_init (GDBusObjectSkeletonClass *klass)
 {
   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

   gobject_class->finalize     = g_dbus_object_skeleton_finalize;
   gobject_class->set_property = g_dbus_object_skeleton_set_property;
   gobject_class->get_property = g_dbus_object_skeleton_get_property;

   klass->authorize_method = g_dbus_object_skeleton_authorize_method_default;

   /**
    * GDBusObjectSkeleton:g-object-path:
    *
    * The object path where the object is exported.
    *
    * Since: 2.30
    */
   g_object_class_install_property (gobject_class,
                                    PROP_G_OBJECT_PATH,
                                    g_param_spec_string ("g-object-path", NULL, NULL,
                                                         NULL,
                                                         G_PARAM_READABLE |
                                                         G_PARAM_WRITABLE |
                                                         G_PARAM_CONSTRUCT |
                                                         G_PARAM_STATIC_STRINGS));

   /**
    * GDBusObjectSkeleton::authorize-method:
    * @object: The #GDBusObjectSkeleton emitting the signal.
    * @interface: The #GDBusInterfaceSkeleton that @invocation is for.
    * @invocation: A #GDBusMethodInvocation.
    *
    * Emitted when a method is invoked by a remote caller and used to
    * determine if the method call is authorized.
    *
    * This signal is like #GDBusInterfaceSkeleton's
    * #GDBusInterfaceSkeleton::g-authorize-method signal,
    * except that it is for the enclosing object.
    *
    * The default class handler just returns %TRUE.
    *
    * Returns: %TRUE if the call is authorized, %FALSE otherwise.
    *
    * Since: 2.30
    */
   signals[AUTHORIZE_METHOD_SIGNAL] =
     g_signal_new (I_("authorize-method"),
                   G_TYPE_DBUS_OBJECT_SKELETON,
                   G_SIGNAL_RUN_LAST,
                   G_STRUCT_OFFSET (GDBusObjectSkeletonClass, authorize_method),
                   _g_signal_accumulator_false_handled,
                   NULL,
                   NULL,
                   G_TYPE_BOOLEAN,
                   2,
                   G_TYPE_DBUS_INTERFACE_SKELETON,
                   G_TYPE_DBUS_METHOD_INVOCATION);
 }

 static void
 g_dbus_object_skeleton_init (GDBusObjectSkeleton *object)
 {
   object->priv = g_dbus_object_skeleton_get_instance_private (object);
   g_mutex_init (&object->priv->lock);
   object->priv->map_name_to_iface = g_hash_table_new_full (g_str_hash,
                                                            g_str_equal,
                                                            g_free,
                                                            (GDestroyNotify) g_object_unref);
 }

 /**
  * g_dbus_object_skeleton_new:
  * @object_path: An object path.
  *
  * Creates a new #GDBusObjectSkeleton.
  *
  * Returns: A #GDBusObjectSkeleton. Free with g_object_unref().
  *
  * Since: 2.30
  */
 GDBusObjectSkeleton *
 g_dbus_object_skeleton_new (const gchar *object_path)
 {
   g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
   return G_DBUS_OBJECT_SKELETON (g_object_new (G_TYPE_DBUS_OBJECT_SKELETON,
                                                "g-object-path", object_path,
                                                NULL));
 }

 /**
  * g_dbus_object_skeleton_set_object_path:
  * @object: A #GDBusObjectSkeleton.
  * @object_path: A valid D-Bus object path.
  *
  * Sets the object path for @object.
  *
  * Since: 2.30
  */
 void
 g_dbus_object_skeleton_set_object_path (GDBusObjectSkeleton *object,
                                         const gchar     *object_path)
 {
   g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
   g_return_if_fail (object_path == NULL || g_variant_is_object_path (object_path));
   g_mutex_lock (&object->priv->lock);
   /* TODO: fail if object is currently exported */
   if (g_strcmp0 (object->priv->object_path, object_path) != 0)
     {
       g_free (object->priv->object_path);
       object->priv->object_path = g_strdup (object_path);
       g_mutex_unlock (&object->priv->lock);
       g_object_notify (G_OBJECT (object), "g-object-path");
     }
   else
     {
       g_mutex_unlock (&object->priv->lock);
     }
 }

 static const gchar *
 g_dbus_object_skeleton_get_object_path (GDBusObject *_object)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
   const gchar *ret;
   g_mutex_lock (&object->priv->lock);
   ret = object->priv->object_path;
   g_mutex_unlock (&object->priv->lock);
   return ret;
 }

 /**
  * g_dbus_object_skeleton_add_interface:
  * @object: A #GDBusObjectSkeleton.
  * @interface_: A #GDBusInterfaceSkeleton.
  *
  * Adds @interface_ to @object.
  *
  * If @object already contains a #GDBusInterfaceSkeleton with the same
  * interface name, it is removed before @interface_ is added.
  *
  * Note that @object takes its own reference on @interface_ and holds
  * it until removed.
  *
  * Since: 2.30
  */
 void
 g_dbus_object_skeleton_add_interface (GDBusObjectSkeleton     *object,
                                       GDBusInterfaceSkeleton  *interface_)
 {
   GDBusInterfaceInfo *info;
   GDBusInterface *interface_to_remove;

   g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
   g_return_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_));

   g_mutex_lock (&object->priv->lock);

   info = g_dbus_interface_skeleton_get_info (interface_);
   g_object_ref (interface_);

   interface_to_remove = g_hash_table_lookup (object->priv->map_name_to_iface, info->name);
   if (interface_to_remove != NULL)
     {
       g_object_ref (interface_to_remove);
       g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, info->name));
     }
   g_hash_table_insert (object->priv->map_name_to_iface,
                        g_strdup (info->name),
                        g_object_ref (interface_));
   g_dbus_interface_set_object (G_DBUS_INTERFACE (interface_), G_DBUS_OBJECT (object));

   g_mutex_unlock (&object->priv->lock);

   if (interface_to_remove != NULL)
     {
       g_dbus_interface_set_object (interface_to_remove, NULL);
       g_signal_emit_by_name (object,
                              "interface-removed",
                              interface_to_remove);
       g_object_unref (interface_to_remove);
     }

   g_signal_emit_by_name (object,
                          "interface-added",
                          interface_);
   g_object_unref (interface_);
 }

 /**
  * g_dbus_object_skeleton_remove_interface:
  * @object: A #GDBusObjectSkeleton.
  * @interface_: A #GDBusInterfaceSkeleton.
  *
  * Removes @interface_ from @object.
  *
  * Since: 2.30
  */
 void
 g_dbus_object_skeleton_remove_interface  (GDBusObjectSkeleton    *object,
                                           GDBusInterfaceSkeleton *interface_)
 {
   GDBusInterfaceSkeleton *other_interface;
   GDBusInterfaceInfo *info;

   g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
   g_return_if_fail (G_IS_DBUS_INTERFACE (interface_));

   g_mutex_lock (&object->priv->lock);

   info = g_dbus_interface_skeleton_get_info (interface_);

   other_interface = g_hash_table_lookup (object->priv->map_name_to_iface, info->name);
   if (other_interface == NULL)
     {
       g_mutex_unlock (&object->priv->lock);
       g_warning ("Tried to remove interface with name %s from object "
                  "at path %s but no such interface exists",
                  info->name,
                  object->priv->object_path);
     }
   else if (other_interface != interface_)
     {
       g_mutex_unlock (&object->priv->lock);
       g_warning ("Tried to remove interface %p with name %s from object "
                  "at path %s but the object has the interface %p",
                  interface_,
                  info->name,
                  object->priv->object_path,
                  other_interface);
     }
   else
     {
       g_object_ref (interface_);
       g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, info->name));
       g_mutex_unlock (&object->priv->lock);
       g_dbus_interface_set_object (G_DBUS_INTERFACE (interface_), NULL);
       g_signal_emit_by_name (object,
                              "interface-removed",
                              interface_);
       g_object_unref (interface_);
     }
 }


 /**
  * g_dbus_object_skeleton_remove_interface_by_name:
  * @object: A #GDBusObjectSkeleton.
  * @interface_name: A D-Bus interface name.
  *
  * Removes the #GDBusInterface with @interface_name from @object.
  *
  * If no D-Bus interface of the given interface exists, this function
  * does nothing.
  *
  * Since: 2.30
  */
 void
 g_dbus_object_skeleton_remove_interface_by_name (GDBusObjectSkeleton *object,
                                                  const gchar         *interface_name)
 {
   GDBusInterface *interface;

   g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
   g_return_if_fail (g_dbus_is_interface_name (interface_name));

   g_mutex_lock (&object->priv->lock);
   interface = g_hash_table_lookup (object->priv->map_name_to_iface, interface_name);
   if (interface != NULL)
     {
       g_object_ref (interface);
       g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, interface_name));
       g_mutex_unlock (&object->priv->lock);
       g_dbus_interface_set_object (interface, NULL);
       g_signal_emit_by_name (object,
                              "interface-removed",
                              interface);
       g_object_unref (interface);
     }
   else
     {
       g_mutex_unlock (&object->priv->lock);
     }
 }

 static GDBusInterface *
 g_dbus_object_skeleton_get_interface (GDBusObject  *_object,
                                       const gchar  *interface_name)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
   GDBusInterface *ret;

   g_return_val_if_fail (G_IS_DBUS_OBJECT_SKELETON (object), NULL);
   g_return_val_if_fail (g_dbus_is_interface_name (interface_name), NULL);

   g_mutex_lock (&object->priv->lock);
   ret = g_hash_table_lookup (object->priv->map_name_to_iface, interface_name);
   if (ret != NULL)
     g_object_ref (ret);
   g_mutex_unlock (&object->priv->lock);
   return ret;
 }

 static GList *
 g_dbus_object_skeleton_get_interfaces (GDBusObject *_object)
 {
   GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
   GList *ret;

   g_return_val_if_fail (G_IS_DBUS_OBJECT_SKELETON (object), NULL);

   ret = NULL;

   g_mutex_lock (&object->priv->lock);
   ret = g_hash_table_get_values (object->priv->map_name_to_iface);
   g_list_foreach (ret, (GFunc) g_object_ref, NULL);
   g_mutex_unlock (&object->priv->lock);

   return ret;
 }

 /**
  * g_dbus_object_skeleton_flush:
  * @object: A #GDBusObjectSkeleton.
  *
  * This method simply calls g_dbus_interface_skeleton_flush() on all
  * interfaces belonging to @object. See that method for when flushing
  * is useful.
  *
  * Since: 2.30
  */
 void
 g_dbus_object_skeleton_flush (GDBusObjectSkeleton *object)
 {
   GPtrArray *to_flush;

   g_mutex_lock (&object->priv->lock);
   to_flush = g_hash_table_get_values_as_ptr_array (object->priv->map_name_to_iface);
   g_ptr_array_foreach (to_flush, (GFunc) g_object_ref, NULL);
   g_ptr_array_set_free_func (to_flush, g_object_unref);
   g_mutex_unlock (&object->priv->lock);

   for (guint i = 0; i < to_flush->len; ++i)
     {
       g_dbus_interface_skeleton_flush (
         G_DBUS_INTERFACE_SKELETON (g_ptr_array_index (to_flush, i)));
     }

   g_clear_pointer (&to_flush, g_ptr_array_unref);
 }

 static void
 dbus_object_interface_init (GDBusObjectIface *iface)
 {
   iface->get_object_path = g_dbus_object_skeleton_get_object_path;
   iface->get_interfaces  = g_dbus_object_skeleton_get_interfaces;
   iface->get_interface  = g_dbus_object_skeleton_get_interface;
 }

 gboolean
 _g_dbus_object_skeleton_has_authorize_method_handlers (GDBusObjectSkeleton *object)
 {
   gboolean has_handlers;
   gboolean has_default_class_handler;

   has_handlers = g_signal_has_handler_pending (object,
                                                signals[AUTHORIZE_METHOD_SIGNAL],
                                                0,
                                                TRUE);
   has_default_class_handler = (G_DBUS_OBJECT_SKELETON_GET_CLASS (object)->authorize_method ==
                                g_dbus_object_skeleton_authorize_method_default);

   return has_handlers || !has_default_class_handler;
 }
	/* GDBus - GLib D-Bus Library
	*
	* Copyright (C) 2008-2010 Red Hat, Inc.
	*
	* SPDX-License-Identifier: LGPL-2.1-or-later
	*
	* This library 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.
	*
	* This library 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 this library; if not, see <http://www.gnu.org/licenses/>.
	*
	* Author: David Zeuthen <davidz@redhat.com>
	*/

	#include "config.h"

	#include "gdbusobject.h"
	#include "gdbusobjectskeleton.h"
	#include "gdbusinterfaceskeleton.h"
	#include "gdbusprivate.h"
	#include "gdbusmethodinvocation.h"
	#include "gdbusintrospection.h"
	#include "gdbusinterface.h"
	#include "gdbusutils.h"

	#include "glibintl.h"

	/**
	* GDBusObjectSkeleton:
	*
	* A `GDBusObjectSkeleton` instance is essentially a group of D-Bus
	* interfaces. The set of exported interfaces on the object may be
	* dynamic and change at runtime.
	*
	* This type is intended to be used with [iface@Gio.DBusObjectManager].
	*
	* Since: 2.30
	*/

	struct _GDBusObjectSkeletonPrivate
	{
	GMutex lock;
	gchar *object_path;
	GHashTable *map_name_to_iface;
	};

	enum
	{
	PROP_0,
	PROP_G_OBJECT_PATH
	};

	enum
	{
	AUTHORIZE_METHOD_SIGNAL,
	LAST_SIGNAL,
	};

	static guint signals[LAST_SIGNAL] = {0};

	static void dbus_object_interface_init (GDBusObjectIface *iface);

	G_DEFINE_TYPE_WITH_CODE (GDBusObjectSkeleton, g_dbus_object_skeleton, G_TYPE_OBJECT,
	G_ADD_PRIVATE (GDBusObjectSkeleton)
	G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_OBJECT, dbus_object_interface_init))


	static void
	g_dbus_object_skeleton_finalize (GObject *_object)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

	g_free (object->priv->object_path);
	g_hash_table_unref (object->priv->map_name_to_iface);

	g_mutex_clear (&object->priv->lock);

	if (G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize != NULL)
	G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize (_object);
	}

	static void
	g_dbus_object_skeleton_get_property (GObject *_object,
	guint prop_id,
	GValue *value,
	GParamSpec *pspec)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

	switch (prop_id)
	{
	case PROP_G_OBJECT_PATH:
	g_mutex_lock (&object->priv->lock);
	g_value_set_string (value, object->priv->object_path);
	g_mutex_unlock (&object->priv->lock);
	break;

	default:
	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
	break;
	}
	}

	static void
	g_dbus_object_skeleton_set_property (GObject *_object,
	guint prop_id,
	const GValue *value,
	GParamSpec *pspec)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);

	switch (prop_id)
	{
	case PROP_G_OBJECT_PATH:
	g_dbus_object_skeleton_set_object_path (object, g_value_get_string (value));
	break;

	default:
	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
	break;
	}
	}

	static gboolean
	g_dbus_object_skeleton_authorize_method_default (GDBusObjectSkeleton *object,
	GDBusInterfaceSkeleton *interface,
	GDBusMethodInvocation *invocation)
	{
	return TRUE;
	}

	static void
	g_dbus_object_skeleton_class_init (GDBusObjectSkeletonClass *klass)
	{
	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

	gobject_class->finalize = g_dbus_object_skeleton_finalize;
	gobject_class->set_property = g_dbus_object_skeleton_set_property;
	gobject_class->get_property = g_dbus_object_skeleton_get_property;

	klass->authorize_method = g_dbus_object_skeleton_authorize_method_default;

	/**
	* GDBusObjectSkeleton:g-object-path:
	*
	* The object path where the object is exported.
	*
	* Since: 2.30
	*/
	g_object_class_install_property (gobject_class,
	PROP_G_OBJECT_PATH,
	g_param_spec_string ("g-object-path", NULL, NULL,
	NULL,
	G_PARAM_READABLE \|
	G_PARAM_WRITABLE \|
	G_PARAM_CONSTRUCT \|
	G_PARAM_STATIC_STRINGS));

	/**
	* GDBusObjectSkeleton::authorize-method:
	* @object: The #GDBusObjectSkeleton emitting the signal.
	* @interface: The #GDBusInterfaceSkeleton that @invocation is for.
	* @invocation: A #GDBusMethodInvocation.
	*
	* Emitted when a method is invoked by a remote caller and used to
	* determine if the method call is authorized.
	*
	* This signal is like #GDBusInterfaceSkeleton's
	* #GDBusInterfaceSkeleton::g-authorize-method signal,
	* except that it is for the enclosing object.
	*
	* The default class handler just returns %TRUE.
	*
	* Returns: %TRUE if the call is authorized, %FALSE otherwise.
	*
	* Since: 2.30
	*/
	signals[AUTHORIZE_METHOD_SIGNAL] =
	g_signal_new (I_("authorize-method"),
	G_TYPE_DBUS_OBJECT_SKELETON,
	G_SIGNAL_RUN_LAST,
	G_STRUCT_OFFSET (GDBusObjectSkeletonClass, authorize_method),
	_g_signal_accumulator_false_handled,
	NULL,
	NULL,
	G_TYPE_BOOLEAN,
	2,
	G_TYPE_DBUS_INTERFACE_SKELETON,
	G_TYPE_DBUS_METHOD_INVOCATION);
	}

	static void
	g_dbus_object_skeleton_init (GDBusObjectSkeleton *object)
	{
	object->priv = g_dbus_object_skeleton_get_instance_private (object);
	g_mutex_init (&object->priv->lock);
	object->priv->map_name_to_iface = g_hash_table_new_full (g_str_hash,
	g_str_equal,
	g_free,
	(GDestroyNotify) g_object_unref);
	}

	/**
	* g_dbus_object_skeleton_new:
	* @object_path: An object path.
	*
	* Creates a new #GDBusObjectSkeleton.
	*
	* Returns: A #GDBusObjectSkeleton. Free with g_object_unref().
	*
	* Since: 2.30
	*/
	GDBusObjectSkeleton *
	g_dbus_object_skeleton_new (const gchar *object_path)
	{
	g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
	return G_DBUS_OBJECT_SKELETON (g_object_new (G_TYPE_DBUS_OBJECT_SKELETON,
	"g-object-path", object_path,
	NULL));
	}

	/**
	* g_dbus_object_skeleton_set_object_path:
	* @object: A #GDBusObjectSkeleton.
	* @object_path: A valid D-Bus object path.
	*
	* Sets the object path for @object.
	*
	* Since: 2.30
	*/
	void
	g_dbus_object_skeleton_set_object_path (GDBusObjectSkeleton *object,
	const gchar *object_path)
	{
	g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
	g_return_if_fail (object_path == NULL \|\| g_variant_is_object_path (object_path));
	g_mutex_lock (&object->priv->lock);
	/* TODO: fail if object is currently exported */
	if (g_strcmp0 (object->priv->object_path, object_path) != 0)
	{
	g_free (object->priv->object_path);
	object->priv->object_path = g_strdup (object_path);
	g_mutex_unlock (&object->priv->lock);
	g_object_notify (G_OBJECT (object), "g-object-path");
	}
	else
	{
	g_mutex_unlock (&object->priv->lock);
	}
	}

	static const gchar *
	g_dbus_object_skeleton_get_object_path (GDBusObject *_object)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
	const gchar *ret;
	g_mutex_lock (&object->priv->lock);
	ret = object->priv->object_path;
	g_mutex_unlock (&object->priv->lock);
	return ret;
	}

	/**
	* g_dbus_object_skeleton_add_interface:
	* @object: A #GDBusObjectSkeleton.
	* @interface_: A #GDBusInterfaceSkeleton.
	*
	* Adds @interface_ to @object.
	*
	* If @object already contains a #GDBusInterfaceSkeleton with the same
	* interface name, it is removed before @interface_ is added.
	*
	* Note that @object takes its own reference on @interface_ and holds
	* it until removed.
	*
	* Since: 2.30
	*/
	void
	g_dbus_object_skeleton_add_interface (GDBusObjectSkeleton *object,
	GDBusInterfaceSkeleton *interface_)
	{
	GDBusInterfaceInfo *info;
	GDBusInterface *interface_to_remove;

	g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
	g_return_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_));

	g_mutex_lock (&object->priv->lock);

	info = g_dbus_interface_skeleton_get_info (interface_);
	g_object_ref (interface_);

	interface_to_remove = g_hash_table_lookup (object->priv->map_name_to_iface, info->name);
	if (interface_to_remove != NULL)
	{
	g_object_ref (interface_to_remove);
	g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, info->name));
	}
	g_hash_table_insert (object->priv->map_name_to_iface,
	g_strdup (info->name),
	g_object_ref (interface_));
	g_dbus_interface_set_object (G_DBUS_INTERFACE (interface_), G_DBUS_OBJECT (object));

	g_mutex_unlock (&object->priv->lock);

	if (interface_to_remove != NULL)
	{
	g_dbus_interface_set_object (interface_to_remove, NULL);
	g_signal_emit_by_name (object,
	"interface-removed",
	interface_to_remove);
	g_object_unref (interface_to_remove);
	}

	g_signal_emit_by_name (object,
	"interface-added",
	interface_);
	g_object_unref (interface_);
	}

	/**
	* g_dbus_object_skeleton_remove_interface:
	* @object: A #GDBusObjectSkeleton.
	* @interface_: A #GDBusInterfaceSkeleton.
	*
	* Removes @interface_ from @object.
	*
	* Since: 2.30
	*/
	void
	g_dbus_object_skeleton_remove_interface (GDBusObjectSkeleton *object,
	GDBusInterfaceSkeleton *interface_)
	{
	GDBusInterfaceSkeleton *other_interface;
	GDBusInterfaceInfo *info;

	g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
	g_return_if_fail (G_IS_DBUS_INTERFACE (interface_));

	g_mutex_lock (&object->priv->lock);

	info = g_dbus_interface_skeleton_get_info (interface_);

	other_interface = g_hash_table_lookup (object->priv->map_name_to_iface, info->name);
	if (other_interface == NULL)
	{
	g_mutex_unlock (&object->priv->lock);
	g_warning ("Tried to remove interface with name %s from object "
	"at path %s but no such interface exists",
	info->name,
	object->priv->object_path);
	}
	else if (other_interface != interface_)
	{
	g_mutex_unlock (&object->priv->lock);
	g_warning ("Tried to remove interface %p with name %s from object "
	"at path %s but the object has the interface %p",
	interface_,
	info->name,
	object->priv->object_path,
	other_interface);
	}
	else
	{
	g_object_ref (interface_);
	g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, info->name));
	g_mutex_unlock (&object->priv->lock);
	g_dbus_interface_set_object (G_DBUS_INTERFACE (interface_), NULL);
	g_signal_emit_by_name (object,
	"interface-removed",
	interface_);
	g_object_unref (interface_);
	}
	}


	/**
	* g_dbus_object_skeleton_remove_interface_by_name:
	* @object: A #GDBusObjectSkeleton.
	* @interface_name: A D-Bus interface name.
	*
	* Removes the #GDBusInterface with @interface_name from @object.
	*
	* If no D-Bus interface of the given interface exists, this function
	* does nothing.
	*
	* Since: 2.30
	*/
	void
	g_dbus_object_skeleton_remove_interface_by_name (GDBusObjectSkeleton *object,
	const gchar *interface_name)
	{
	GDBusInterface *interface;

	g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
	g_return_if_fail (g_dbus_is_interface_name (interface_name));

	g_mutex_lock (&object->priv->lock);
	interface = g_hash_table_lookup (object->priv->map_name_to_iface, interface_name);
	if (interface != NULL)
	{
	g_object_ref (interface);
	g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, interface_name));
	g_mutex_unlock (&object->priv->lock);
	g_dbus_interface_set_object (interface, NULL);
	g_signal_emit_by_name (object,
	"interface-removed",
	interface);
	g_object_unref (interface);
	}
	else
	{
	g_mutex_unlock (&object->priv->lock);
	}
	}

	static GDBusInterface *
	g_dbus_object_skeleton_get_interface (GDBusObject *_object,
	const gchar *interface_name)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
	GDBusInterface *ret;

	g_return_val_if_fail (G_IS_DBUS_OBJECT_SKELETON (object), NULL);
	g_return_val_if_fail (g_dbus_is_interface_name (interface_name), NULL);

	g_mutex_lock (&object->priv->lock);
	ret = g_hash_table_lookup (object->priv->map_name_to_iface, interface_name);
	if (ret != NULL)
	g_object_ref (ret);
	g_mutex_unlock (&object->priv->lock);
	return ret;
	}

	static GList *
	g_dbus_object_skeleton_get_interfaces (GDBusObject *_object)
	{
	GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
	GList *ret;

	g_return_val_if_fail (G_IS_DBUS_OBJECT_SKELETON (object), NULL);

	ret = NULL;

	g_mutex_lock (&object->priv->lock);
	ret = g_hash_table_get_values (object->priv->map_name_to_iface);
	g_list_foreach (ret, (GFunc) g_object_ref, NULL);
	g_mutex_unlock (&object->priv->lock);

	return ret;
	}

	/**
	* g_dbus_object_skeleton_flush:
	* @object: A #GDBusObjectSkeleton.
	*
	* This method simply calls g_dbus_interface_skeleton_flush() on all
	* interfaces belonging to @object. See that method for when flushing
	* is useful.
	*
	* Since: 2.30
	*/
	void
	g_dbus_object_skeleton_flush (GDBusObjectSkeleton *object)
	{
	GPtrArray *to_flush;

	g_mutex_lock (&object->priv->lock);
	to_flush = g_hash_table_get_values_as_ptr_array (object->priv->map_name_to_iface);
	g_ptr_array_foreach (to_flush, (GFunc) g_object_ref, NULL);
	g_ptr_array_set_free_func (to_flush, g_object_unref);
	g_mutex_unlock (&object->priv->lock);

	for (guint i = 0; i < to_flush->len; ++i)
	{
	g_dbus_interface_skeleton_flush (
	G_DBUS_INTERFACE_SKELETON (g_ptr_array_index (to_flush, i)));
	}

	g_clear_pointer (&to_flush, g_ptr_array_unref);
	}

	static void
	dbus_object_interface_init (GDBusObjectIface *iface)
	{
	iface->get_object_path = g_dbus_object_skeleton_get_object_path;
	iface->get_interfaces = g_dbus_object_skeleton_get_interfaces;
	iface->get_interface = g_dbus_object_skeleton_get_interface;
	}

	gboolean
	_g_dbus_object_skeleton_has_authorize_method_handlers (GDBusObjectSkeleton *object)
	{
	gboolean has_handlers;
	gboolean has_default_class_handler;

	has_handlers = g_signal_has_handler_pending (object,
	signals[AUTHORIZE_METHOD_SIGNAL],
	0,
	TRUE);
	has_default_class_handler = (G_DBUS_OBJECT_SKELETON_GET_CLASS (object)->authorize_method ==
	g_dbus_object_skeleton_authorize_method_default);

	return has_handlers \|\| !has_default_class_handler;
	}