mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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88071abb43
Our coding style recommends C style comments (/* */) instead of C++ (//). Also, systemd (which we partly fork) uses C style comments for the SPDX-License-Identifier. Unify the style. $ sed -i '1 s#// SPDX-License-Identifier: \([^ ]\+\)$#/* SPDX-License-Identifier: \1 */#' -- $(git ls-files -- '*.[hc]' '*.[hc]pp')
293 lines
11 KiB
C
293 lines
11 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/*
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* Copyright (C) 2019 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include "nm-dbus-aux.h"
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/*****************************************************************************/
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static void
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_nm_dbus_connection_call_get_name_owner_cb(GObject *source, GAsyncResult *res, gpointer user_data)
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{
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gs_unref_variant GVariant *ret = NULL;
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gs_free_error GError * error = NULL;
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const char * owner = NULL;
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gpointer orig_user_data;
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NMDBusConnectionCallGetNameOwnerCb callback;
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nm_utils_user_data_unpack(user_data, &orig_user_data, &callback);
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ret = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), res, &error);
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if (ret)
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g_variant_get(ret, "(&s)", &owner);
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callback(owner, error, orig_user_data);
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}
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void
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nm_dbus_connection_call_get_name_owner(GDBusConnection * dbus_connection,
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const char * service_name,
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int timeout_msec,
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GCancellable * cancellable,
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NMDBusConnectionCallGetNameOwnerCb callback,
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gpointer user_data)
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{
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nm_assert(callback);
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g_dbus_connection_call(dbus_connection,
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DBUS_SERVICE_DBUS,
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DBUS_PATH_DBUS,
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DBUS_INTERFACE_DBUS,
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"GetNameOwner",
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g_variant_new("(s)", service_name),
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G_VARIANT_TYPE("(s)"),
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G_DBUS_CALL_FLAGS_NONE,
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timeout_msec,
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cancellable,
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_nm_dbus_connection_call_get_name_owner_cb,
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nm_utils_user_data_pack(user_data, callback));
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}
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/*****************************************************************************/
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static void
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_nm_dbus_connection_call_default_cb(GObject *source, GAsyncResult *res, gpointer user_data)
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{
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gs_unref_variant GVariant *ret = NULL;
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gs_free_error GError * error = NULL;
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gpointer orig_user_data;
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NMDBusConnectionCallDefaultCb callback;
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nm_utils_user_data_unpack(user_data, &orig_user_data, &callback);
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ret = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), res, &error);
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nm_assert((!!ret) != (!!error));
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callback(ret, error, orig_user_data);
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}
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void
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nm_dbus_connection_call_get_all(GDBusConnection * dbus_connection,
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const char * bus_name,
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const char * object_path,
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const char * interface_name,
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int timeout_msec,
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GCancellable * cancellable,
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NMDBusConnectionCallDefaultCb callback,
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gpointer user_data)
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{
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nm_assert(callback);
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g_dbus_connection_call(dbus_connection,
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bus_name,
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object_path,
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DBUS_INTERFACE_PROPERTIES,
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"GetAll",
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g_variant_new("(s)", interface_name),
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G_VARIANT_TYPE("(a{sv})"),
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G_DBUS_CALL_FLAGS_NONE,
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timeout_msec,
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cancellable,
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_nm_dbus_connection_call_default_cb,
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nm_utils_user_data_pack(user_data, callback));
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}
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void
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nm_dbus_connection_call_set(GDBusConnection * dbus_connection,
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const char * bus_name,
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const char * object_path,
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const char * interface_name,
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const char * property_name,
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GVariant * value,
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int timeout_msec,
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GCancellable * cancellable,
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NMDBusConnectionCallDefaultCb callback,
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gpointer user_data)
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{
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g_dbus_connection_call(dbus_connection,
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bus_name,
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object_path,
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DBUS_INTERFACE_PROPERTIES,
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"Set",
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g_variant_new("(ssv)", interface_name, property_name, value),
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G_VARIANT_TYPE("()"),
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G_DBUS_CALL_FLAGS_NONE,
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timeout_msec,
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cancellable,
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callback ? _nm_dbus_connection_call_default_cb : NULL,
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callback ? nm_utils_user_data_pack(user_data, callback) : NULL);
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}
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/*****************************************************************************/
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static void
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_nm_dbus_connection_call_get_managed_objects_cb(GObject * source,
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GAsyncResult *res,
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gpointer user_data)
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{
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gs_unref_variant GVariant *ret = NULL;
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gs_unref_variant GVariant *arg = NULL;
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gs_free_error GError * error = NULL;
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gpointer orig_user_data;
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NMDBusConnectionCallDefaultCb callback;
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nm_utils_user_data_unpack(user_data, &orig_user_data, &callback);
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ret = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), res, &error);
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nm_assert((!!ret) != (!!error));
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if (ret) {
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nm_assert(g_variant_is_of_type(ret, G_VARIANT_TYPE("(a{oa{sa{sv}}})")));
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arg = g_variant_get_child_value(ret, 0);
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}
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callback(arg, error, orig_user_data);
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}
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void
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nm_dbus_connection_call_get_managed_objects(GDBusConnection * dbus_connection,
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const char * bus_name,
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const char * object_path,
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GDBusCallFlags flags,
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int timeout_msec,
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GCancellable * cancellable,
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NMDBusConnectionCallDefaultCb callback,
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gpointer user_data)
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{
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nm_assert(callback);
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g_dbus_connection_call(dbus_connection,
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bus_name,
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object_path,
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DBUS_INTERFACE_OBJECT_MANAGER,
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"GetManagedObjects",
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NULL,
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G_VARIANT_TYPE("(a{oa{sa{sv}}})"),
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flags,
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timeout_msec,
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cancellable,
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_nm_dbus_connection_call_get_managed_objects_cb,
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nm_utils_user_data_pack(user_data, callback));
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}
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/*****************************************************************************/
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static void
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_call_finish_cb(GObject * source,
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GAsyncResult *result,
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gpointer user_data,
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gboolean return_void,
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gboolean strip_dbus_error)
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{
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gs_unref_object GTask *task = user_data;
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gs_unref_variant GVariant *ret = NULL;
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GError * error = NULL;
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nm_assert(G_IS_DBUS_CONNECTION(source));
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nm_assert(G_IS_TASK(user_data));
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ret = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), result, &error);
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if (!ret) {
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if (strip_dbus_error)
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g_dbus_error_strip_remote_error(error);
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g_task_return_error(task, error);
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return;
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}
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if (!return_void)
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g_task_return_pointer(task, g_steal_pointer(&ret), (GDestroyNotify) g_variant_unref);
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else {
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nm_assert(g_variant_is_of_type(ret, G_VARIANT_TYPE("()")));
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g_task_return_boolean(task, TRUE);
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}
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}
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/**
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* nm_dbus_connection_call_finish_void_cb:
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*
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* A default callback to pass as callback to g_dbus_connection_call().
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*
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* - user_data must be a GTask, whose reference will be consumed by the
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* callback.
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* - the return GVariant must be a empty tuple "()".
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* - the GTask is returned either with error or TRUE boolean.
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*/
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void
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nm_dbus_connection_call_finish_void_cb(GObject *source, GAsyncResult *result, gpointer user_data)
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{
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_call_finish_cb(source, result, user_data, TRUE, FALSE);
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}
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/**
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* nm_dbus_connection_call_finish_void_strip_dbus_error_cb:
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*
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* Like nm_dbus_connection_call_finish_void_cb(). The difference
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* is that on error this will first call g_dbus_error_strip_remote_error() on the error.
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*/
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void
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nm_dbus_connection_call_finish_void_strip_dbus_error_cb(GObject * source,
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GAsyncResult *result,
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gpointer user_data)
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{
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_call_finish_cb(source, result, user_data, TRUE, TRUE);
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}
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/**
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* nm_dbus_connection_call_finish_variant_cb:
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*
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* A default callback to pass as callback to g_dbus_connection_call().
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*
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* - user_data must be a GTask, whose reference will be consumed by the
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* callback.
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* - the GTask is returned either with error or with a pointer containing the GVariant.
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*/
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void
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nm_dbus_connection_call_finish_variant_cb(GObject *source, GAsyncResult *result, gpointer user_data)
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{
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_call_finish_cb(source, result, user_data, FALSE, FALSE);
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}
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/**
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* nm_dbus_connection_call_finish_variant_strip_dbus_error_cb:
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*
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* Like nm_dbus_connection_call_finish_variant_strip_dbus_error_cb(). The difference
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* is that on error this will first call g_dbus_error_strip_remote_error() on the error.
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*/
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void
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nm_dbus_connection_call_finish_variant_strip_dbus_error_cb(GObject * source,
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GAsyncResult *result,
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gpointer user_data)
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{
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_call_finish_cb(source, result, user_data, FALSE, TRUE);
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}
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/*****************************************************************************/
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gboolean
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_nm_dbus_error_is(GError *error, ...)
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{
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gs_free char *dbus_error = NULL;
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const char * name;
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va_list ap;
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dbus_error = g_dbus_error_get_remote_error(error);
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if (!dbus_error)
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return FALSE;
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va_start(ap, error);
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while ((name = va_arg(ap, const char *))) {
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if (nm_streq(dbus_error, name)) {
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va_end(ap);
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return TRUE;
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}
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}
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va_end(ap);
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return FALSE;
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}
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