/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019 Red Hat, Inc.
*/
#ifndef __NM_DBUS_AUX_H__
#define __NM_DBUS_AUX_H__
#include "nm-std-aux/nm-dbus-compat.h"
/*****************************************************************************/
static inline gboolean
nm_clear_g_dbus_connection_signal(GDBusConnection *dbus_connection, guint *id)
{
guint v;
if (id && (v = *id)) {
*id = 0;
g_dbus_connection_signal_unsubscribe(dbus_connection, v);
return TRUE;
}
return FALSE;
}
/*****************************************************************************/
typedef void (*NMDBusConnectionCallDefaultCb)(GVariant *result, GError *error, gpointer user_data);
/*****************************************************************************/
static inline void
nm_dbus_connection_call_start_service_by_name(GDBusConnection * dbus_connection,
const char * name,
int timeout_msec,
GCancellable * cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_dbus_connection_call(dbus_connection,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"StartServiceByName",
g_variant_new("(su)", name, 0u),
G_VARIANT_TYPE("(u)"),
G_DBUS_CALL_FLAGS_NONE,
timeout_msec,
cancellable,
callback,
user_data);
}
/*****************************************************************************/
static inline guint
nm_dbus_connection_signal_subscribe_name_owner_changed(GDBusConnection * dbus_connection,
const char * service_name,
GDBusSignalCallback callback,
gpointer user_data,
GDestroyNotify user_data_free_func)
{
return g_dbus_connection_signal_subscribe(dbus_connection,
DBUS_SERVICE_DBUS,
DBUS_INTERFACE_DBUS,
"NameOwnerChanged",
DBUS_PATH_DBUS,
service_name,
G_DBUS_SIGNAL_FLAGS_NONE,
callback,
user_data,
user_data_free_func);
}
typedef void (*NMDBusConnectionCallGetNameOwnerCb)(const char *name_owner,
GError * error,
gpointer user_data);
void nm_dbus_connection_call_get_name_owner(GDBusConnection * dbus_connection,
const char * service_name,
int timeout_msec,
GCancellable * cancellable,
NMDBusConnectionCallGetNameOwnerCb callback,
gpointer user_data);
static inline guint
nm_dbus_connection_signal_subscribe_properties_changed(GDBusConnection * dbus_connection,
const char * bus_name,
const char * object_path,
const char * interface_name,
GDBusSignalCallback callback,
gpointer user_data,
GDestroyNotify user_data_free_func)
{
nm_assert(bus_name);
/* it seems that using a non-unique name causes problems that we get signals
* also from unrelated senders. Usually, you are anyway monitoring the name-owner,
* so you should have the unique name at hand.
*
* If not, investigate this, ensure that it works, and lift this restriction. */
nm_assert(g_dbus_is_unique_name(bus_name));
return g_dbus_connection_signal_subscribe(dbus_connection,
bus_name,
DBUS_INTERFACE_PROPERTIES,
"PropertiesChanged",
object_path,
interface_name,
G_DBUS_SIGNAL_FLAGS_NONE,
callback,
user_data,
user_data_free_func);
}
void nm_dbus_connection_call_get_all(GDBusConnection * dbus_connection,
const char * bus_name,
const char * object_path,
const char * interface_name,
int timeout_msec,
GCancellable * cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data);
void nm_dbus_connection_call_set(GDBusConnection * dbus_connection,
const char * bus_name,
const char * object_path,
const char * interface_name,
const char * property_name,
GVariant * value,
int timeout_msec,
GCancellable * cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data);
/*****************************************************************************/
static inline guint
nm_dbus_connection_signal_subscribe_object_manager(GDBusConnection * dbus_connection,
const char * service_name,
const char * object_path,
const char * signal_name,
GDBusSignalCallback callback,
gpointer user_data,
GDestroyNotify user_data_free_func)
{
return g_dbus_connection_signal_subscribe(dbus_connection,
service_name,
DBUS_INTERFACE_OBJECT_MANAGER,
signal_name,
object_path,
NULL,
G_DBUS_SIGNAL_FLAGS_NONE,
callback,
user_data,
user_data_free_func);
}
void nm_dbus_connection_call_get_managed_objects(GDBusConnection * dbus_connection,
const char * bus_name,
const char * object_path,
GDBusCallFlags flags,
int timeout_msec,
GCancellable * cancellable,
NMDBusConnectionCallDefaultCb callback,
gpointer user_data);
/*****************************************************************************/
void
nm_dbus_connection_call_finish_void_cb(GObject *source, GAsyncResult *result, gpointer user_data);
void nm_dbus_connection_call_finish_void_strip_dbus_error_cb(GObject * source,
GAsyncResult *result,
gpointer user_data);
void nm_dbus_connection_call_finish_variant_cb(GObject * source,
GAsyncResult *result,
gpointer user_data);
void nm_dbus_connection_call_finish_variant_strip_dbus_error_cb(GObject * source,
GAsyncResult *result,
gpointer user_data);
/*****************************************************************************/
gboolean _nm_dbus_error_is(GError *error, ...) G_GNUC_NULL_TERMINATED;
#define nm_dbus_error_is(error, ...) \
({ \
GError *const _error = (error); \
\
_error &&_nm_dbus_error_is(_error, __VA_ARGS__, NULL); \
})
#define NM_DBUS_ERROR_NAME_UNKNOWN_METHOD "org.freedesktop.DBus.Error.UnknownMethod"
/*****************************************************************************/
#endif /* __NM_DBUS_AUX_H__ */