glib/gio/gdbusconnection.h

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/* GDBus - GLib D-Bus Library
*
* Copyright (C) 2008-2009 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
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#ifndef __G_DBUS_CONNECTION_H__
#define __G_DBUS_CONNECTION_H__
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_DBUS_CONNECTION (g_dbus_connection_get_type ())
#define G_DBUS_CONNECTION(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_DBUS_CONNECTION, GDBusConnection))
#define G_DBUS_CONNECTION_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_DBUS_CONNECTION, GDBusConnectionClass))
#define G_DBUS_CONNECTION_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_DBUS_CONNECTION, GDBusConnectionClass))
#define G_IS_DBUS_CONNECTION(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_DBUS_CONNECTION))
#define G_IS_DBUS_CONNECTION_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_DBUS_CONNECTION))
typedef struct _GDBusConnectionClass GDBusConnectionClass;
typedef struct _GDBusConnectionPrivate GDBusConnectionPrivate;
/**
* GDBusConnection:
*
* The #GDBusConnection structure contains only private data and
* should only be accessed using the provided API.
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*
* Since: 2.26
*/
struct _GDBusConnection
{
/*< private >*/
GObject parent_instance;
GDBusConnectionPrivate *priv;
};
/**
* GDBusConnectionClass:
* @closed: Signal class handler for the #GDBusConnection::closed signal.
*
* Class structure for #GDBusConnection.
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*
* Since: 2.26
*/
struct _GDBusConnectionClass
{
/*< private >*/
GObjectClass parent_class;
/*< public >*/
/* Signals */
void (*closed) (GDBusConnection *connection,
gboolean remote_peer_vanished,
GError *error);
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
void (*_g_reserved6) (void);
void (*_g_reserved7) (void);
void (*_g_reserved8) (void);
};
GType g_dbus_connection_get_type (void) G_GNUC_CONST;
/* ---------------------------------------------------------------------------------------------------- */
void g_bus_get (GBusType bus_type,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusConnection *g_bus_get_finish (GAsyncResult *res,
GError **error);
GDBusConnection *g_bus_get_sync (GBusType bus_type,
GCancellable *cancellable,
GError **error);
/* ---------------------------------------------------------------------------------------------------- */
void g_dbus_connection_new (GIOStream *stream,
const gchar *guid,
GDBusConnectionFlags flags,
GDBusAuthObserver *auth_observer,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusConnection *g_dbus_connection_new_finish (GAsyncResult *res,
GError **error);
GDBusConnection *g_dbus_connection_new_sync (GIOStream *stream,
const gchar *guid,
GDBusConnectionFlags flags,
GDBusAuthObserver *auth_observer,
GCancellable *cancellable,
GError **error);
void g_dbus_connection_new_for_address (const gchar *address,
GDBusConnectionFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusConnection *g_dbus_connection_new_for_address_finish (GAsyncResult *res,
GError **error);
GDBusConnection *g_dbus_connection_new_for_address_sync (const gchar *address,
GDBusConnectionFlags flags,
GCancellable *cancellable,
GError **error);
/* ---------------------------------------------------------------------------------------------------- */
gboolean g_dbus_connection_is_closed (GDBusConnection *connection);
void g_dbus_connection_close (GDBusConnection *connection);
GIOStream *g_dbus_connection_get_stream (GDBusConnection *connection);
const gchar *g_dbus_connection_get_guid (GDBusConnection *connection);
const gchar *g_dbus_connection_get_unique_name (GDBusConnection *connection);
GCredentials *g_dbus_connection_get_peer_credentials (GDBusConnection *connection);
gboolean g_dbus_connection_get_exit_on_close (GDBusConnection *connection);
void g_dbus_connection_set_exit_on_close (GDBusConnection *connection,
gboolean exit_on_close);
GDBusCapabilityFlags g_dbus_connection_get_capabilities (GDBusConnection *connection);
/* ---------------------------------------------------------------------------------------------------- */
gboolean g_dbus_connection_send_message (GDBusConnection *connection,
GDBusMessage *message,
volatile guint32 *out_serial,
GError **error);
void g_dbus_connection_send_message_with_reply (GDBusConnection *connection,
GDBusMessage *message,
gint timeout_msec,
volatile guint32 *out_serial,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusMessage *g_dbus_connection_send_message_with_reply_finish (GDBusConnection *connection,
GAsyncResult *res,
GError **error);
GDBusMessage *g_dbus_connection_send_message_with_reply_sync (GDBusConnection *connection,
GDBusMessage *message,
gint timeout_msec,
volatile guint32 *out_serial,
GCancellable *cancellable,
GError **error);
/* ---------------------------------------------------------------------------------------------------- */
gboolean g_dbus_connection_emit_signal (GDBusConnection *connection,
const gchar *destination_bus_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *signal_name,
GVariant *parameters,
GError **error);
void g_dbus_connection_invoke_method (GDBusConnection *connection,
const gchar *bus_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusInvokeMethodFlags flags,
gint timeout_msec,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GVariant *g_dbus_connection_invoke_method_finish (GDBusConnection *connection,
GAsyncResult *res,
GError **error);
GVariant *g_dbus_connection_invoke_method_sync (GDBusConnection *connection,
const gchar *bus_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusInvokeMethodFlags flags,
gint timeout_msec,
GCancellable *cancellable,
GError **error);
/* ---------------------------------------------------------------------------------------------------- */
/**
* GDBusInterfaceMethodCallFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that the method was invoked on.
* @interface_name: The D-Bus interface name the method was invoked on.
* @method_name: The name of the method that was invoked.
* @parameters: A #GVariant tuple with parameters.
* @invocation: A #GDBusMethodInvocation object that can be used to return a value or error.
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_object().
*
* The type of the @method_call function in #GDBusInterfaceVTable.
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*
* Since: 2.26
*/
typedef void (*GDBusInterfaceMethodCallFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data);
/**
* GDBusInterfaceGetPropertyFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that the method was invoked on.
* @interface_name: The D-Bus interface name for the property.
* @property_name: The name of the property to get the value of.
* @error: Return location for error.
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_object().
*
* The type of the @get_property function in #GDBusInterfaceVTable.
*
* Returns: A newly-allocated #GVariant with the value for @property_name or %NULL if @error is set.
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*
* Since: 2.26
*/
typedef GVariant *(*GDBusInterfaceGetPropertyFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *property_name,
GError **error,
gpointer user_data);
/**
* GDBusInterfaceSetPropertyFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that the method was invoked on.
* @interface_name: The D-Bus interface name for the property.
* @property_name: The name of the property to get the value of.
* @value: The value to set the property to.
* @error: Return location for error.
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_object().
*
* The type of the @set_property function in #GDBusInterfaceVTable.
*
* Returns: %TRUE if the property was set to @value, %FALSE if @error is set.
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*
* Since: 2.26
*/
typedef gboolean (*GDBusInterfaceSetPropertyFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *property_name,
GVariant *value,
GError **error,
gpointer user_data);
/**
* GDBusInterfaceVTable:
* @method_call: Function for handling incoming method calls.
* @get_property: Function for getting a property.
* @set_property: Function for setting a property.
*
* Virtual table for handling properties and method calls for a D-Bus
* interface.
*
* If you want to handle getting/setting D-Bus properties asynchronously, simply
* register an object with the <literal>org.freedesktop.DBus.Properties</literal>
* D-Bus interface using g_dbus_connection_register_object().
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*
* Since: 2.26
*/
struct _GDBusInterfaceVTable
{
GDBusInterfaceMethodCallFunc method_call;
GDBusInterfaceGetPropertyFunc get_property;
GDBusInterfaceSetPropertyFunc set_property;
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
void (*_g_reserved6) (void);
void (*_g_reserved7) (void);
void (*_g_reserved8) (void);
};
guint g_dbus_connection_register_object (GDBusConnection *connection,
const gchar *object_path,
const gchar *interface_name,
const GDBusInterfaceInfo *introspection_data,
const GDBusInterfaceVTable *vtable,
gpointer user_data,
GDestroyNotify user_data_free_func,
GError **error);
gboolean g_dbus_connection_unregister_object (GDBusConnection *connection,
guint registration_id);
/* ---------------------------------------------------------------------------------------------------- */
/**
* GDBusSubtreeEnumerateFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that was registered with g_dbus_connection_register_subtree().
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_subtree().
*
* The type of the @enumerate function in #GDBusSubtreeVTable.
*
* Returns: A newly allocated array of strings for node names that are children of @object_path.
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*
* Since: 2.26
*/
typedef gchar** (*GDBusSubtreeEnumerateFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
gpointer user_data);
/**
* GDBusSubtreeIntrospectFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that was registered with g_dbus_connection_register_subtree().
* @node: A node that is a child of @object_path (relative to @object_path) or <quote>/</quote> for the root of the subtree.
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_subtree().
*
* The type of the @introspect function in #GDBusSubtreeVTable.
*
* Returns: A newly-allocated #GPtrArray with pointers to #GDBusInterfaceInfo describing
* the interfaces implemented by @node.
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*
* Since: 2.26
*/
typedef GPtrArray *(*GDBusSubtreeIntrospectFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *node,
gpointer user_data);
/**
* GDBusSubtreeDispatchFunc:
* @connection: A #GDBusConnection.
* @sender: The unique bus name of the remote caller.
* @object_path: The object path that was registered with g_dbus_connection_register_subtree().
* @interface_name: The D-Bus interface name that the method call or property access is for.
* @node: A node that is a child of @object_path (relative to @object_path) or <quote>/</quote> for the root of the subtree.
* @out_user_data: Return location for user data to pass to functions in the returned #GDBusInterfaceVTable (never %NULL).
* @user_data: The @user_data #gpointer passed to g_dbus_connection_register_subtree().
*
* The type of the @dispatch function in #GDBusSubtreeVTable.
*
* Returns: A #GDBusInterfaceVTable or %NULL if you don't want to handle the methods.
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*
* Since: 2.26
*/
typedef const GDBusInterfaceVTable * (*GDBusSubtreeDispatchFunc) (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *node,
gpointer *out_user_data,
gpointer user_data);
/**
* GDBusSubtreeVTable:
* @enumerate: Function for enumerating child nodes.
* @introspect: Function for introspecting a child node.
* @dispatch: Function for dispatching a remote call on a child node.
*
* Virtual table for handling subtrees registered with g_dbus_connection_register_subtree().
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*
* Since: 2.26
*/
struct _GDBusSubtreeVTable
{
GDBusSubtreeEnumerateFunc enumerate;
GDBusSubtreeIntrospectFunc introspect;
GDBusSubtreeDispatchFunc dispatch;
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
void (*_g_reserved6) (void);
void (*_g_reserved7) (void);
void (*_g_reserved8) (void);
};
guint g_dbus_connection_register_subtree (GDBusConnection *connection,
const gchar *object_path,
const GDBusSubtreeVTable *vtable,
GDBusSubtreeFlags flags,
gpointer user_data,
GDestroyNotify user_data_free_func,
GError **error);
gboolean g_dbus_connection_unregister_subtree (GDBusConnection *connection,
guint registration_id);
/* ---------------------------------------------------------------------------------------------------- */
/**
* GDBusSignalCallback:
* @connection: A #GDBusConnection.
* @sender_name: The unique bus name of the sender of the signal.
* @object_path: The object path that the signal was emitted on.
* @interface_name: The name of the signal.
* @signal_name: The name of the signal.
* @parameters: A #GVariant tuple with parameters for the signal.
* @user_data: User data passed when subscribing to the signal.
*
* Signature for callback function used in g_dbus_connection_signal_subscribe().
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*
* Since: 2.26
*/
typedef void (*GDBusSignalCallback) (GDBusConnection *connection,
const gchar *sender_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data);
guint g_dbus_connection_signal_subscribe (GDBusConnection *connection,
const gchar *sender,
const gchar *interface_name,
const gchar *member,
const gchar *object_path,
const gchar *arg0,
GDBusSignalCallback callback,
gpointer user_data,
GDestroyNotify user_data_free_func);
void g_dbus_connection_signal_unsubscribe (GDBusConnection *connection,
guint subscription_id);
/* ---------------------------------------------------------------------------------------------------- */
/**
* GDBusMessageFilterFunction:
* @connection: A #GDBusConnection.
* @message: A #GDBusMessage.
* @user_data: User data passed when adding the filter.
*
* Signature for function used in g_dbus_connection_add_filter().
*
* Returns: %TRUE if the filter handled @message, %FALSE to let other
* handlers run.
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*
* Since: 2.26
*/
typedef gboolean (*GDBusMessageFilterFunction) (GDBusConnection *connection,
GDBusMessage *message,
gpointer user_data);
guint g_dbus_connection_add_filter (GDBusConnection *connection,
GDBusMessageFilterFunction filter_function,
gpointer user_data,
GDestroyNotify user_data_free_func);
void g_dbus_connection_remove_filter (GDBusConnection *connection,
guint filter_id);
/* ---------------------------------------------------------------------------------------------------- */
G_END_DECLS
#endif /* __G_DBUS_CONNECTION_H__ */