glib/gio/gdbusobjectproxy.c

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/* GDBus - GLib D-Bus Library
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* 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 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
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* 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 "gdbusobjectproxy.h"
#include "gdbusconnection.h"
#include "gdbusprivate.h"
#include "gdbusutils.h"
#include "gdbusproxy.h"
#include "glibintl.h"
/**
* SECTION:gdbusobjectproxy
* @short_description: Client-side D-Bus object
* @include: gio/gio.h
*
* A #GDBusObjectProxy is an object used to represent a remote object
* with one or more D-Bus interfaces. Normally, you don't instantiate
* a #GDBusObjectProxy yourself - typically #GDBusObjectManagerClient
* is used to obtain it.
*
* Since: 2.30
*/
struct _GDBusObjectProxyPrivate
{
GMutex lock;
GHashTable *map_name_to_iface;
gchar *object_path;
GDBusConnection *connection;
};
enum
{
PROP_0,
PROP_G_OBJECT_PATH,
PROP_G_CONNECTION
};
static void dbus_object_interface_init (GDBusObjectIface *iface);
G_DEFINE_TYPE_WITH_CODE (GDBusObjectProxy, g_dbus_object_proxy, G_TYPE_OBJECT,
G_ADD_PRIVATE (GDBusObjectProxy)
G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_OBJECT, dbus_object_interface_init))
static void
g_dbus_object_proxy_finalize (GObject *object)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
g_hash_table_unref (proxy->priv->map_name_to_iface);
g_clear_object (&proxy->priv->connection);
g_free (proxy->priv->object_path);
g_mutex_clear (&proxy->priv->lock);
if (G_OBJECT_CLASS (g_dbus_object_proxy_parent_class)->finalize != NULL)
G_OBJECT_CLASS (g_dbus_object_proxy_parent_class)->finalize (object);
}
static void
g_dbus_object_proxy_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
switch (prop_id)
{
case PROP_G_OBJECT_PATH:
g_mutex_lock (&proxy->priv->lock);
g_value_set_string (value, proxy->priv->object_path);
g_mutex_unlock (&proxy->priv->lock);
break;
case PROP_G_CONNECTION:
g_value_set_object (value, g_dbus_object_proxy_get_connection (proxy));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (proxy, prop_id, pspec);
break;
}
}
static void
g_dbus_object_proxy_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
switch (prop_id)
{
case PROP_G_OBJECT_PATH:
g_mutex_lock (&proxy->priv->lock);
proxy->priv->object_path = g_value_dup_string (value);
g_mutex_unlock (&proxy->priv->lock);
break;
case PROP_G_CONNECTION:
g_mutex_lock (&proxy->priv->lock);
proxy->priv->connection = g_value_dup_object (value);
g_mutex_unlock (&proxy->priv->lock);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (proxy, prop_id, pspec);
break;
}
}
static void
g_dbus_object_proxy_class_init (GDBusObjectProxyClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = g_dbus_object_proxy_finalize;
gobject_class->set_property = g_dbus_object_proxy_set_property;
gobject_class->get_property = g_dbus_object_proxy_get_property;
/**
* GDBusObjectProxy:g-object-path:
*
* The object path of the proxy.
*
* Since: 2.30
*/
g_object_class_install_property (gobject_class,
PROP_G_OBJECT_PATH,
g_param_spec_string ("g-object-path",
"Object Path",
"The object path of the proxy",
NULL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
/**
* GDBusObjectProxy:g-connection:
*
* The connection of the proxy.
*
* Since: 2.30
*/
g_object_class_install_property (gobject_class,
PROP_G_CONNECTION,
g_param_spec_object ("g-connection",
"Connection",
"The connection of the proxy",
G_TYPE_DBUS_CONNECTION,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
g_dbus_object_proxy_init (GDBusObjectProxy *proxy)
{
proxy->priv = g_dbus_object_proxy_get_instance_private (proxy);
g_mutex_init (&proxy->priv->lock);
proxy->priv->map_name_to_iface = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify) g_object_unref);
}
static const gchar *
g_dbus_object_proxy_get_object_path (GDBusObject *object)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
const gchar *ret;
g_mutex_lock (&proxy->priv->lock);
ret = proxy->priv->object_path;
g_mutex_unlock (&proxy->priv->lock);
return ret;
}
/**
* g_dbus_object_proxy_get_connection:
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* @proxy: a #GDBusObjectProxy
*
* Gets the connection that @proxy is for.
*
* Returns: (transfer none): A #GDBusConnection. Do not free, the
* object is owned by @proxy.
*
* Since: 2.30
*/
GDBusConnection *
g_dbus_object_proxy_get_connection (GDBusObjectProxy *proxy)
{
GDBusConnection *ret;
g_return_val_if_fail (G_IS_DBUS_OBJECT_PROXY (proxy), NULL);
g_mutex_lock (&proxy->priv->lock);
ret = proxy->priv->connection;
g_mutex_unlock (&proxy->priv->lock);
return ret;
}
static GDBusInterface *
g_dbus_object_proxy_get_interface (GDBusObject *object,
const gchar *interface_name)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
GDBusProxy *ret;
g_return_val_if_fail (G_IS_DBUS_OBJECT_PROXY (proxy), NULL);
g_return_val_if_fail (g_dbus_is_interface_name (interface_name), NULL);
g_mutex_lock (&proxy->priv->lock);
ret = g_hash_table_lookup (proxy->priv->map_name_to_iface, interface_name);
if (ret != NULL)
g_object_ref (ret);
g_mutex_unlock (&proxy->priv->lock);
return (GDBusInterface *) ret; /* TODO: proper cast */
}
static GList *
g_dbus_object_proxy_get_interfaces (GDBusObject *object)
{
GDBusObjectProxy *proxy = G_DBUS_OBJECT_PROXY (object);
GList *ret;
g_return_val_if_fail (G_IS_DBUS_OBJECT_PROXY (proxy), NULL);
ret = NULL;
g_mutex_lock (&proxy->priv->lock);
ret = g_hash_table_get_values (proxy->priv->map_name_to_iface);
g_list_foreach (ret, (GFunc) g_object_ref, NULL);
g_mutex_unlock (&proxy->priv->lock);
return ret;
}
/* ---------------------------------------------------------------------------------------------------- */
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/**
* g_dbus_object_proxy_new:
* @connection: a #GDBusConnection
* @object_path: the object path
*
* Creates a new #GDBusObjectProxy for the given connection and
* object path.
*
* Returns: a new #GDBusObjectProxy
*
* Since: 2.30
*/
GDBusObjectProxy *
g_dbus_object_proxy_new (GDBusConnection *connection,
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const gchar *object_path)
{
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
return G_DBUS_OBJECT_PROXY (g_object_new (G_TYPE_DBUS_OBJECT_PROXY,
"g-object-path", object_path,
"g-connection", connection,
NULL));
}
void
_g_dbus_object_proxy_add_interface (GDBusObjectProxy *proxy,
GDBusProxy *interface_proxy)
{
const gchar *interface_name;
GDBusProxy *interface_proxy_to_remove;
g_return_if_fail (G_IS_DBUS_OBJECT_PROXY (proxy));
g_return_if_fail (G_IS_DBUS_PROXY (interface_proxy));
g_mutex_lock (&proxy->priv->lock);
interface_name = g_dbus_proxy_get_interface_name (interface_proxy);
interface_proxy_to_remove = g_hash_table_lookup (proxy->priv->map_name_to_iface, interface_name);
if (interface_proxy_to_remove != NULL)
{
g_object_ref (interface_proxy_to_remove);
g_warn_if_fail (g_hash_table_remove (proxy->priv->map_name_to_iface, interface_name));
}
g_hash_table_insert (proxy->priv->map_name_to_iface,
g_strdup (interface_name),
g_object_ref (interface_proxy));
g_object_ref (interface_proxy);
g_mutex_unlock (&proxy->priv->lock);
if (interface_proxy_to_remove != NULL)
{
g_signal_emit_by_name (proxy, "interface-removed", interface_proxy_to_remove);
g_object_unref (interface_proxy_to_remove);
}
g_signal_emit_by_name (proxy, "interface-added", interface_proxy);
g_object_unref (interface_proxy);
}
void
_g_dbus_object_proxy_remove_interface (GDBusObjectProxy *proxy,
const gchar *interface_name)
{
GDBusProxy *interface_proxy;
g_return_if_fail (G_IS_DBUS_OBJECT_PROXY (proxy));
g_return_if_fail (g_dbus_is_interface_name (interface_name));
g_mutex_lock (&proxy->priv->lock);
interface_proxy = g_hash_table_lookup (proxy->priv->map_name_to_iface, interface_name);
if (interface_proxy != NULL)
{
g_object_ref (interface_proxy);
g_warn_if_fail (g_hash_table_remove (proxy->priv->map_name_to_iface, interface_name));
g_mutex_unlock (&proxy->priv->lock);
g_signal_emit_by_name (proxy, "interface-removed", interface_proxy);
g_object_unref (interface_proxy);
}
else
{
g_mutex_unlock (&proxy->priv->lock);
}
}
static void
dbus_object_interface_init (GDBusObjectIface *iface)
{
iface->get_object_path = g_dbus_object_proxy_get_object_path;
iface->get_interfaces = g_dbus_object_proxy_get_interfaces;
iface->get_interface = g_dbus_object_proxy_get_interface;
}