Import Upstream version 2.72.4
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gio/gdbusobjectskeleton.c
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509
gio/gdbusobjectskeleton.c
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/* GDBus - GLib D-Bus Library
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*
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* Copyright (C) 2008-2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: David Zeuthen <davidz@redhat.com>
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*/
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#include "config.h"
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#include "gdbusobject.h"
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#include "gdbusobjectskeleton.h"
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#include "gdbusinterfaceskeleton.h"
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#include "gdbusprivate.h"
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#include "gdbusmethodinvocation.h"
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#include "gdbusintrospection.h"
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#include "gdbusinterface.h"
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#include "gdbusutils.h"
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#include "glibintl.h"
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/**
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* SECTION:gdbusobjectskeleton
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* @short_description: Service-side D-Bus object
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* @include: gio/gio.h
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*
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* A #GDBusObjectSkeleton instance is essentially a group of D-Bus
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* interfaces. The set of exported interfaces on the object may be
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* dynamic and change at runtime.
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*
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* This type is intended to be used with #GDBusObjectManager.
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*/
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struct _GDBusObjectSkeletonPrivate
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{
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GMutex lock;
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gchar *object_path;
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GHashTable *map_name_to_iface;
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};
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enum
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{
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PROP_0,
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PROP_G_OBJECT_PATH
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};
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enum
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{
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AUTHORIZE_METHOD_SIGNAL,
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LAST_SIGNAL,
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};
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static guint signals[LAST_SIGNAL] = {0};
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static void dbus_object_interface_init (GDBusObjectIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GDBusObjectSkeleton, g_dbus_object_skeleton, G_TYPE_OBJECT,
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G_ADD_PRIVATE (GDBusObjectSkeleton)
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G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_OBJECT, dbus_object_interface_init))
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static void
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g_dbus_object_skeleton_finalize (GObject *_object)
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{
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GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
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g_free (object->priv->object_path);
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g_hash_table_unref (object->priv->map_name_to_iface);
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g_mutex_clear (&object->priv->lock);
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if (G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize != NULL)
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G_OBJECT_CLASS (g_dbus_object_skeleton_parent_class)->finalize (_object);
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}
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static void
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g_dbus_object_skeleton_get_property (GObject *_object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
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switch (prop_id)
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{
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case PROP_G_OBJECT_PATH:
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g_mutex_lock (&object->priv->lock);
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g_value_set_string (value, object->priv->object_path);
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g_mutex_unlock (&object->priv->lock);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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g_dbus_object_skeleton_set_property (GObject *_object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
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switch (prop_id)
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{
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case PROP_G_OBJECT_PATH:
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g_dbus_object_skeleton_set_object_path (object, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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g_dbus_object_skeleton_authorize_method_default (GDBusObjectSkeleton *object,
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GDBusInterfaceSkeleton *interface,
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GDBusMethodInvocation *invocation)
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{
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return TRUE;
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}
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static void
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g_dbus_object_skeleton_class_init (GDBusObjectSkeletonClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = g_dbus_object_skeleton_finalize;
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gobject_class->set_property = g_dbus_object_skeleton_set_property;
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gobject_class->get_property = g_dbus_object_skeleton_get_property;
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klass->authorize_method = g_dbus_object_skeleton_authorize_method_default;
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/**
|
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* GDBusObjectSkeleton:g-object-path:
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*
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* The object path where the object is exported.
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*
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* Since: 2.30
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*/
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g_object_class_install_property (gobject_class,
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PROP_G_OBJECT_PATH,
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g_param_spec_string ("g-object-path",
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"Object Path",
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"The object path where the object is exported",
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NULL,
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G_PARAM_READABLE |
|
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G_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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/**
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* GDBusObjectSkeleton::authorize-method:
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* @object: The #GDBusObjectSkeleton emitting the signal.
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* @interface: The #GDBusInterfaceSkeleton that @invocation is for.
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* @invocation: A #GDBusMethodInvocation.
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*
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* Emitted when a method is invoked by a remote caller and used to
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* determine if the method call is authorized.
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*
|
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* This signal is like #GDBusInterfaceSkeleton's
|
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* #GDBusInterfaceSkeleton::g-authorize-method signal,
|
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* except that it is for the enclosing object.
|
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*
|
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* The default class handler just returns %TRUE.
|
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*
|
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* Returns: %TRUE if the call is authorized, %FALSE otherwise.
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*
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* Since: 2.30
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*/
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signals[AUTHORIZE_METHOD_SIGNAL] =
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g_signal_new (I_("authorize-method"),
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G_TYPE_DBUS_OBJECT_SKELETON,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GDBusObjectSkeletonClass, authorize_method),
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_g_signal_accumulator_false_handled,
|
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NULL,
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NULL,
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G_TYPE_BOOLEAN,
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2,
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G_TYPE_DBUS_INTERFACE_SKELETON,
|
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G_TYPE_DBUS_METHOD_INVOCATION);
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}
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static void
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g_dbus_object_skeleton_init (GDBusObjectSkeleton *object)
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{
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object->priv = g_dbus_object_skeleton_get_instance_private (object);
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g_mutex_init (&object->priv->lock);
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object->priv->map_name_to_iface = g_hash_table_new_full (g_str_hash,
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g_str_equal,
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g_free,
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(GDestroyNotify) g_object_unref);
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}
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/**
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* g_dbus_object_skeleton_new:
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* @object_path: An object path.
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*
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* Creates a new #GDBusObjectSkeleton.
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*
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* Returns: A #GDBusObjectSkeleton. Free with g_object_unref().
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*
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* Since: 2.30
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*/
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GDBusObjectSkeleton *
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g_dbus_object_skeleton_new (const gchar *object_path)
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{
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g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
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return G_DBUS_OBJECT_SKELETON (g_object_new (G_TYPE_DBUS_OBJECT_SKELETON,
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"g-object-path", object_path,
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NULL));
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}
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/**
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* g_dbus_object_skeleton_set_object_path:
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* @object: A #GDBusObjectSkeleton.
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* @object_path: A valid D-Bus object path.
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*
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* Sets the object path for @object.
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*
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* Since: 2.30
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*/
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void
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g_dbus_object_skeleton_set_object_path (GDBusObjectSkeleton *object,
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const gchar *object_path)
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{
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g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
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g_return_if_fail (object_path == NULL || g_variant_is_object_path (object_path));
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g_mutex_lock (&object->priv->lock);
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/* TODO: fail if object is currently exported */
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if (g_strcmp0 (object->priv->object_path, object_path) != 0)
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{
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g_free (object->priv->object_path);
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object->priv->object_path = g_strdup (object_path);
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g_mutex_unlock (&object->priv->lock);
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g_object_notify (G_OBJECT (object), "g-object-path");
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}
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else
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{
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g_mutex_unlock (&object->priv->lock);
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}
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}
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static const gchar *
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g_dbus_object_skeleton_get_object_path (GDBusObject *_object)
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{
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GDBusObjectSkeleton *object = G_DBUS_OBJECT_SKELETON (_object);
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const gchar *ret;
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g_mutex_lock (&object->priv->lock);
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ret = object->priv->object_path;
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g_mutex_unlock (&object->priv->lock);
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return ret;
|
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}
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/**
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* g_dbus_object_skeleton_add_interface:
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* @object: A #GDBusObjectSkeleton.
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* @interface_: A #GDBusInterfaceSkeleton.
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*
|
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* Adds @interface_ to @object.
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*
|
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* If @object already contains a #GDBusInterfaceSkeleton with the same
|
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* interface name, it is removed before @interface_ is added.
|
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*
|
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* Note that @object takes its own reference on @interface_ and holds
|
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* it until removed.
|
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*
|
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* Since: 2.30
|
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*/
|
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void
|
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g_dbus_object_skeleton_add_interface (GDBusObjectSkeleton *object,
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GDBusInterfaceSkeleton *interface_)
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{
|
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GDBusInterfaceInfo *info;
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GDBusInterface *interface_to_remove;
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g_return_if_fail (G_IS_DBUS_OBJECT_SKELETON (object));
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g_return_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_));
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g_mutex_lock (&object->priv->lock);
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info = g_dbus_interface_skeleton_get_info (interface_);
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g_object_ref (interface_);
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interface_to_remove = g_hash_table_lookup (object->priv->map_name_to_iface, info->name);
|
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if (interface_to_remove != NULL)
|
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{
|
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g_object_ref (interface_to_remove);
|
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g_warn_if_fail (g_hash_table_remove (object->priv->map_name_to_iface, info->name));
|
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}
|
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g_hash_table_insert (object->priv->map_name_to_iface,
|
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g_strdup (info->name),
|
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g_object_ref (interface_));
|
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g_dbus_interface_set_object (G_DBUS_INTERFACE (interface_), G_DBUS_OBJECT (object));
|
||||
|
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g_mutex_unlock (&object->priv->lock);
|
||||
|
||||
if (interface_to_remove != NULL)
|
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{
|
||||
g_dbus_interface_set_object (interface_to_remove, NULL);
|
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g_signal_emit_by_name (object,
|
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"interface-removed",
|
||||
interface_to_remove);
|
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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:
|
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* @object: A #GDBusObjectSkeleton.
|
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* @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)
|
||||
{
|
||||
GList *to_flush, *l;
|
||||
|
||||
g_mutex_lock (&object->priv->lock);
|
||||
to_flush = g_hash_table_get_values (object->priv->map_name_to_iface);
|
||||
g_list_foreach (to_flush, (GFunc) g_object_ref, NULL);
|
||||
g_mutex_unlock (&object->priv->lock);
|
||||
|
||||
for (l = to_flush; l != NULL; l = l->next)
|
||||
g_dbus_interface_skeleton_flush (G_DBUS_INTERFACE_SKELETON (l->data));
|
||||
|
||||
g_list_free_full (to_flush, g_object_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;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue