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NetworkManager/src/nm-checkpoint.c
Beniamino Galvani 43a0f47ea2 core: specify an activation reason for active connections 
Specify a reason when creating active connections. The reason will be
used in the next commit to tell whether slaves must be reconnected or
not if a master has autoconnect-slaves=yes.
2018-04-08 09:40:14 +02:00

676 lines
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2016 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-checkpoint.h"
#include <string.h>
#include "nm-active-connection.h"
#include "nm-act-request.h"
#include "nm-auth-subject.h"
#include "nm-core-utils.h"
#include "nm-dbus-interface.h"
#include "devices/nm-device.h"
#include "nm-manager.h"
#include "settings/nm-settings.h"
#include "settings/nm-settings-connection.h"
#include "nm-simple-connection.h"
#include "nm-utils.h"
/*****************************************************************************/
typedef struct {
char *original_dev_path;
NMDevice *device;
NMConnection *applied_connection;
NMConnection *settings_connection;
guint64 ac_version_id;
NMDeviceState state;
bool realized:1;
NMUnmanFlagOp unmanaged_explicit;
NMActivationReason activation_reason;
} DeviceCheckpoint;
NM_GOBJECT_PROPERTIES_DEFINE (NMCheckpoint,
PROP_DEVICES,
PROP_CREATED,
PROP_ROLLBACK_TIMEOUT,
);
struct _NMCheckpointPrivate {
/* properties */
GHashTable *devices;
gint64 created_at_ms;
guint32 rollback_timeout_s;
guint timeout_id;
/* private members */
/* private members */
NMManager *manager;
NMCheckpointCreateFlags flags;
GHashTable *connection_uuids;
NMCheckpointTimeoutCallback timeout_cb;
gpointer timeout_data;
};
struct _NMCheckpointClass {
NMDBusObjectClass parent;
};
G_DEFINE_TYPE (NMCheckpoint, nm_checkpoint, NM_TYPE_DBUS_OBJECT)
#define NM_CHECKPOINT_GET_PRIVATE(self) _NM_GET_PRIVATE_PTR (self, NMCheckpoint, NM_IS_CHECKPOINT)
/*****************************************************************************/
#define _NMLOG_PREFIX_NAME "checkpoint"
#define _NMLOG_DOMAIN LOGD_CORE
#define _NMLOG(level, ...) \
G_STMT_START { \
if (nm_logging_enabled (level, _NMLOG_DOMAIN)) { \
char __prefix[32]; \
\
if (self) \
g_snprintf (__prefix, sizeof (__prefix), "%s[%p]", ""_NMLOG_PREFIX_NAME"", (self)); \
else \
g_strlcpy (__prefix, _NMLOG_PREFIX_NAME, sizeof (__prefix)); \
_nm_log ((level), (_NMLOG_DOMAIN), 0, NULL, NULL, \
"%s: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \
__prefix _NM_UTILS_MACRO_REST(__VA_ARGS__)); \
} \
} G_STMT_END
/*****************************************************************************/
void
nm_checkpoint_log_destroy (NMCheckpoint *self)
{
_LOGI ("destroy %s", nm_dbus_object_get_path (NM_DBUS_OBJECT (self)));
}
void
nm_checkpoint_set_timeout_callback (NMCheckpoint *self,
NMCheckpointTimeoutCallback callback,
gpointer user_data)
{
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
/* in glib world, we would have a GSignal for this. But as there
* is only one subscriber, it's simpler to just set and unset(!)
* the callback this way. */
priv->timeout_cb = callback;
priv->timeout_data = user_data;
}
NMDevice *
nm_checkpoint_includes_devices (NMCheckpoint *self, NMDevice *const*devices, guint n_devices)
{
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
guint i;
for (i = 0; i < n_devices; i++) {
if (g_hash_table_contains (priv->devices, devices[i]))
return devices[i];
}
return NULL;
}
NMDevice *
nm_checkpoint_includes_devices_of (NMCheckpoint *self, NMCheckpoint *cp_for_devices)
{
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
NMCheckpointPrivate *priv2 = NM_CHECKPOINT_GET_PRIVATE (cp_for_devices);
GHashTableIter iter;
NMDevice *device;
g_hash_table_iter_init (&iter, priv2->devices);
while (g_hash_table_iter_next (&iter, (gpointer *) &device, NULL)) {
if (g_hash_table_contains (priv->devices, device))
return device;
}
return NULL;
}
static NMSettingsConnection *
find_settings_connection (NMCheckpoint *self,
DeviceCheckpoint *dev_checkpoint,
gboolean *need_update,
gboolean *need_activation)
{
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
NMActiveConnection *active;
NMSettingsConnection *connection;
const char *uuid, *ac_uuid;
const CList *tmp_clist;
*need_activation = FALSE;
*need_update = FALSE;
uuid = nm_connection_get_uuid (dev_checkpoint->settings_connection);
connection = nm_settings_get_connection_by_uuid (nm_settings_get (), uuid);
if (!connection)
return NULL;
/* Now check if the connection changed, ... */
if (!nm_connection_compare (dev_checkpoint->settings_connection,
NM_CONNECTION (connection),
NM_SETTING_COMPARE_FLAG_EXACT)) {
_LOGT ("rollback: settings connection %s changed", uuid);
*need_update = TRUE;
*need_activation = TRUE;
}
/* ... is active, ... */
nm_manager_for_each_active_connection (priv->manager, active, tmp_clist) {
ac_uuid = nm_settings_connection_get_uuid (nm_active_connection_get_settings_connection (active));
if (nm_streq (uuid, ac_uuid)) {
_LOGT ("rollback: connection %s is active", uuid);
break;
}
}
if (!active) {
_LOGT ("rollback: connection %s is not active", uuid);
*need_activation = TRUE;
return connection;
}
/* ... or if the connection was reactivated/reapplied */
if (nm_active_connection_version_id_get (active) != dev_checkpoint->ac_version_id) {
_LOGT ("rollback: active connection version id of %s changed", uuid);
*need_activation = TRUE;
}
return connection;
}
GVariant *
nm_checkpoint_rollback (NMCheckpoint *self)
{
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
DeviceCheckpoint *dev_checkpoint;
GHashTableIter iter;
NMSettingsConnection *connection;
NMDevice *device;
GError *local_error = NULL;
GVariantBuilder builder;
_LOGI ("rollback of %s", nm_dbus_object_get_path (NM_DBUS_OBJECT (self)));
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{su}"));
/* Start rolling-back each device */
g_hash_table_iter_init (&iter, priv->devices);
while (g_hash_table_iter_next (&iter, (gpointer *) &device, (gpointer *) &dev_checkpoint)) {
gs_unref_object NMAuthSubject *subject = NULL;
guint32 result = NM_ROLLBACK_RESULT_OK;
_LOGD ("rollback: restoring device %s (state %d, realized %d, explicitly unmanaged %d)",
nm_device_get_iface (device),
(int) dev_checkpoint->state,
dev_checkpoint->realized,
dev_checkpoint->unmanaged_explicit);
if (nm_device_is_real (device)) {
if (!dev_checkpoint->realized) {
_LOGD ("rollback: device was not realized, unmanage it");
nm_device_set_unmanaged_by_flags_queue (device,
NM_UNMANAGED_USER_EXPLICIT,
TRUE,
NM_DEVICE_STATE_REASON_NOW_UNMANAGED);
goto next_dev;
}
} else {
if (dev_checkpoint->realized) {
if (nm_device_is_software (device)) {
/* try to recreate software device */
_LOGD ("rollback: software device not realized, will re-activate");
goto activate;
} else {
_LOGD ("rollback: device is not realized");
result = NM_ROLLBACK_RESULT_ERR_FAILED;
}
}
goto next_dev;
}
activate:
/* Manage the device again if needed */
if ( nm_device_get_unmanaged_flags (device, NM_UNMANAGED_USER_EXPLICIT)
&& dev_checkpoint->unmanaged_explicit != NM_UNMAN_FLAG_OP_SET_UNMANAGED) {
_LOGD ("rollback: restore unmanaged user-explicit");
nm_device_set_unmanaged_by_flags_queue (device,
NM_UNMANAGED_USER_EXPLICIT,
dev_checkpoint->unmanaged_explicit,
NM_DEVICE_STATE_REASON_NOW_MANAGED);
}
if (dev_checkpoint->state == NM_DEVICE_STATE_UNMANAGED) {
if ( nm_device_get_state (device) != NM_DEVICE_STATE_UNMANAGED
|| dev_checkpoint->unmanaged_explicit == NM_UNMAN_FLAG_OP_SET_UNMANAGED) {
_LOGD ("rollback: explicitly unmanage device");
nm_device_set_unmanaged_by_flags_queue (device,
NM_UNMANAGED_USER_EXPLICIT,
TRUE,
NM_DEVICE_STATE_REASON_NOW_UNMANAGED);
}
goto next_dev;
}
if (dev_checkpoint->applied_connection) {
gboolean need_update, need_activation;
/* The device had an active connection: check if the
* connection still exists, is active and was changed */
connection = find_settings_connection (self, dev_checkpoint, &need_update, &need_activation);
if (connection) {
if (need_update) {
_LOGD ("rollback: updating connection %s",
nm_settings_connection_get_uuid (connection));
nm_settings_connection_update (connection,
dev_checkpoint->settings_connection,
NM_SETTINGS_CONNECTION_PERSIST_MODE_DISK,
NM_SETTINGS_CONNECTION_COMMIT_REASON_NONE,
"checkpoint-rollback",
NULL);
}
} else {
/* The connection was deleted, recreate it */
_LOGD ("rollback: adding connection %s again",
nm_connection_get_uuid (dev_checkpoint->settings_connection));
connection = nm_settings_add_connection (nm_settings_get (),
dev_checkpoint->settings_connection,
TRUE,
&local_error);
if (!connection) {
_LOGD ("rollback: connection add failure: %s", local_error->message);
g_clear_error (&local_error);
result = NM_ROLLBACK_RESULT_ERR_FAILED;
goto next_dev;
}
need_activation = TRUE;
}
if (need_activation) {
_LOGD ("rollback: reactivating connection %s",
nm_settings_connection_get_uuid (connection));
subject = nm_auth_subject_new_internal ();
/* Disconnect the device if needed. This necessary because now
* the manager prevents the reactivation of the same connection by
* an internal subject. */
if ( nm_device_get_state (device) > NM_DEVICE_STATE_DISCONNECTED
&& nm_device_get_state (device) < NM_DEVICE_STATE_DEACTIVATING) {
nm_device_state_changed (device,
NM_DEVICE_STATE_DEACTIVATING,
NM_DEVICE_STATE_REASON_NEW_ACTIVATION);
}
if (!nm_manager_activate_connection (priv->manager,
connection,
dev_checkpoint->applied_connection,
NULL,
device,
subject,
NM_ACTIVATION_TYPE_MANAGED,
dev_checkpoint->activation_reason,
&local_error)) {
_LOGW ("rollback: reactivation of connection %s/%s failed: %s",
nm_connection_get_id ((NMConnection *) connection),
nm_connection_get_uuid ((NMConnection *) connection),
local_error->message);
g_clear_error (&local_error);
result = NM_ROLLBACK_RESULT_ERR_FAILED;
goto next_dev;
}
}
} else {
/* The device was initially disconnected, deactivate any existing connection */
_LOGD ("rollback: disconnecting device");
if ( nm_device_get_state (device) > NM_DEVICE_STATE_DISCONNECTED
&& nm_device_get_state (device) < NM_DEVICE_STATE_DEACTIVATING) {
nm_device_state_changed (device,
NM_DEVICE_STATE_DEACTIVATING,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
}
}
next_dev:
g_variant_builder_add (&builder, "{su}", dev_checkpoint->original_dev_path, result);
}
if (NM_FLAGS_HAS (priv->flags, NM_CHECKPOINT_CREATE_FLAG_DELETE_NEW_CONNECTIONS)) {
NMSettingsConnection *con;
gs_free NMSettingsConnection **list = NULL;
guint i;
g_return_val_if_fail (priv->connection_uuids, NULL);
list = nm_settings_get_connections_clone (nm_settings_get (), NULL,
NULL, NULL,
nm_settings_connection_cmp_autoconnect_priority_p_with_data, NULL);
for (i = 0; list[i]; i++) {
con = list[i];
if (!g_hash_table_contains (priv->connection_uuids,
nm_settings_connection_get_uuid (con))) {
_LOGD ("rollback: deleting new connection %s",
nm_settings_connection_get_uuid (con));
nm_settings_connection_delete (con, NULL);
}
}
}
if (NM_FLAGS_HAS (priv->flags, NM_CHECKPOINT_CREATE_FLAG_DISCONNECT_NEW_DEVICES)) {
const CList *tmp_lst;
NMDeviceState state;
nm_manager_for_each_device (priv->manager, device, tmp_lst) {
if (g_hash_table_contains (priv->devices, device))
continue;
state = nm_device_get_state (device);
if ( state > NM_DEVICE_STATE_DISCONNECTED
&& state < NM_DEVICE_STATE_DEACTIVATING) {
_LOGD ("rollback: disconnecting new device %s", nm_device_get_iface (device));
nm_device_state_changed (device,
NM_DEVICE_STATE_DEACTIVATING,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
}
}
}
return g_variant_new ("(a{su})", &builder);
}
static DeviceCheckpoint *
device_checkpoint_create (NMDevice *device)
{
DeviceCheckpoint *dev_checkpoint;
NMConnection *applied_connection;
NMSettingsConnection *settings_connection;
const char *path;
NMActRequest *act_request;
nm_assert (NM_IS_DEVICE (device));
nm_assert (nm_device_is_real (device));
path = nm_dbus_object_get_path (NM_DBUS_OBJECT (device));
dev_checkpoint = g_slice_new0 (DeviceCheckpoint);
dev_checkpoint->device = g_object_ref (device);
dev_checkpoint->original_dev_path = g_strdup (path);
dev_checkpoint->state = nm_device_get_state (device);
dev_checkpoint->realized = nm_device_is_real (device);
if (nm_device_get_unmanaged_mask (device, NM_UNMANAGED_USER_EXPLICIT)) {
dev_checkpoint->unmanaged_explicit = !!nm_device_get_unmanaged_flags (device,
NM_UNMANAGED_USER_EXPLICIT);
} else
dev_checkpoint->unmanaged_explicit = NM_UNMAN_FLAG_OP_FORGET;
act_request = nm_device_get_act_request (device);
if (act_request) {
settings_connection = nm_act_request_get_settings_connection (act_request);
applied_connection = nm_act_request_get_applied_connection (act_request);
dev_checkpoint->applied_connection = nm_simple_connection_new_clone (applied_connection);
dev_checkpoint->settings_connection =
nm_simple_connection_new_clone (NM_CONNECTION (settings_connection));
dev_checkpoint->ac_version_id =
nm_active_connection_version_id_get (NM_ACTIVE_CONNECTION (act_request));
dev_checkpoint->activation_reason =
nm_active_connection_get_activation_reason (NM_ACTIVE_CONNECTION (act_request));
}
return dev_checkpoint;
}
static void
device_checkpoint_destroy (gpointer data)
{
DeviceCheckpoint *dev_checkpoint = data;
g_clear_object (&dev_checkpoint->applied_connection);
g_clear_object (&dev_checkpoint->settings_connection);
g_clear_object (&dev_checkpoint->device);
g_free (dev_checkpoint->original_dev_path);
g_slice_free (DeviceCheckpoint, dev_checkpoint);
}
static gboolean
_timeout_cb (gpointer user_data)
{
NMCheckpoint *self = user_data;
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
priv->timeout_id = 0;
if (priv->timeout_cb)
priv->timeout_cb (self, priv->timeout_data);
/* beware, @self likely got destroyed! */
return G_SOURCE_REMOVE;
}
void
nm_checkpoint_adjust_rollback_timeout (NMCheckpoint *self, guint32 add_timeout)
{
guint32 rollback_timeout_s;
gint64 now_ms, add_timeout_ms, rollback_timeout_ms;
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
nm_clear_g_source (&priv->timeout_id);
if (add_timeout == 0)
rollback_timeout_s = 0;
else {
now_ms = nm_utils_get_monotonic_timestamp_ms ();
add_timeout_ms = ((gint64) add_timeout) * 1000;
rollback_timeout_ms = (now_ms - priv->created_at_ms) + add_timeout_ms;
/* round to nearest integer second. Since NM_CHECKPOINT_ROLLBACK_TIMEOUT is
* in units seconds, it will be able to exactly express the timeout. */
rollback_timeout_s = NM_MIN ((rollback_timeout_ms + 500) / 1000, (gint64) G_MAXUINT32);
/* we expect the timeout to be positive, because add_timeout_ms is positive.
* We cannot accept a zero, because it means "infinity". */
nm_assert (rollback_timeout_s > 0);
priv->timeout_id = g_timeout_add (NM_MIN (add_timeout_ms, (gint64) G_MAXUINT32),
_timeout_cb,
self);
}
if (rollback_timeout_s != priv->rollback_timeout_s) {
priv->rollback_timeout_s = rollback_timeout_s;
_notify (self, PROP_ROLLBACK_TIMEOUT);
}
}
/*****************************************************************************/
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMCheckpoint *self = NM_CHECKPOINT (object);
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
switch (prop_id) {
case PROP_DEVICES:
nm_dbus_utils_g_value_set_object_path_from_hash (value,
priv->devices,
FALSE);
break;
case PROP_CREATED:
g_value_set_int64 (value,
nm_utils_monotonic_timestamp_as_boottime (priv->created_at_ms,
NM_UTILS_NS_PER_MSEC));
break;
case PROP_ROLLBACK_TIMEOUT:
g_value_set_uint (value, priv->rollback_timeout_s);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_checkpoint_init (NMCheckpoint *self)
{
NMCheckpointPrivate *priv;
priv = G_TYPE_INSTANCE_GET_PRIVATE (self, NM_TYPE_CHECKPOINT, NMCheckpointPrivate);
self->_priv = priv;
c_list_init (&self->checkpoints_lst);
priv->devices = g_hash_table_new_full (nm_direct_hash, NULL,
NULL, device_checkpoint_destroy);
}
NMCheckpoint *
nm_checkpoint_new (NMManager *manager, GPtrArray *devices, guint32 rollback_timeout_s,
NMCheckpointCreateFlags flags)
{
NMCheckpoint *self;
NMCheckpointPrivate *priv;
NMSettingsConnection *const *con;
gint64 rollback_timeout_ms;
guint i;
g_return_val_if_fail (manager, NULL);
g_return_val_if_fail (devices, NULL);
g_return_val_if_fail (devices->len > 0, NULL);
self = g_object_new (NM_TYPE_CHECKPOINT, NULL);
priv = NM_CHECKPOINT_GET_PRIVATE (self);
priv->manager = manager;
priv->rollback_timeout_s = rollback_timeout_s;
priv->created_at_ms = nm_utils_get_monotonic_timestamp_ms ();
priv->flags = flags;
if (rollback_timeout_s != 0) {
rollback_timeout_ms = ((gint64) rollback_timeout_s) * 1000;
priv->timeout_id = g_timeout_add (NM_MIN (rollback_timeout_ms, (gint64) G_MAXUINT32),
_timeout_cb,
self);
}
if (NM_FLAGS_HAS (flags, NM_CHECKPOINT_CREATE_FLAG_DELETE_NEW_CONNECTIONS)) {
priv->connection_uuids = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, NULL);
for (con = nm_settings_get_connections (nm_settings_get (), NULL); *con; con++) {
g_hash_table_add (priv->connection_uuids,
g_strdup (nm_settings_connection_get_uuid (*con)));
}
}
for (i = 0; i < devices->len; i++) {
NMDevice *device = devices->pdata[i];
/* FIXME: as long as the check point instance exists, it won't let go
* of the device. That is a bug, for example, if you have a ethernet
* device that gets removed (rmmod), the checkpoint will reference
* a non-existing D-Bus path of a device. */
g_hash_table_insert (priv->devices,
device,
device_checkpoint_create (device));
}
return self;
}
static void
dispose (GObject *object)
{
NMCheckpoint *self = NM_CHECKPOINT (object);
NMCheckpointPrivate *priv = NM_CHECKPOINT_GET_PRIVATE (self);
nm_assert (c_list_is_empty (&self->checkpoints_lst));
g_clear_pointer (&priv->devices, g_hash_table_unref);
g_clear_pointer (&priv->connection_uuids, g_hash_table_unref);
nm_clear_g_source (&priv->timeout_id);
G_OBJECT_CLASS (nm_checkpoint_parent_class)->dispose (object);
}
static const NMDBusInterfaceInfoExtended interface_info_checkpoint = {
.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (
NM_DBUS_INTERFACE_CHECKPOINT,
.signals = NM_DEFINE_GDBUS_SIGNAL_INFOS (
&nm_signal_info_property_changed_legacy,
),
.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Devices", "ao", NM_CHECKPOINT_DEVICES),
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Created", "x", NM_CHECKPOINT_CREATED),
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("RollbackTimeout", "u", NM_CHECKPOINT_ROLLBACK_TIMEOUT),
),
),
.legacy_property_changed = TRUE,
};
static void
nm_checkpoint_class_init (NMCheckpointClass *checkpoint_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (checkpoint_class);
NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (checkpoint_class);
g_type_class_add_private (object_class, sizeof (NMCheckpointPrivate));
dbus_object_class->export_path = NM_DBUS_EXPORT_PATH_NUMBERED (NM_DBUS_PATH"/Checkpoint");
dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_checkpoint);
object_class->dispose = dispose;
object_class->get_property = get_property;
obj_properties[PROP_DEVICES] =
g_param_spec_boxed (NM_CHECKPOINT_DEVICES, "", "",
G_TYPE_STRV,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CREATED] =
g_param_spec_int64 (NM_CHECKPOINT_CREATED, "", "",
G_MININT64, G_MAXINT64, 0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_properties[PROP_ROLLBACK_TIMEOUT] =
g_param_spec_uint (NM_CHECKPOINT_ROLLBACK_TIMEOUT, "", "",
0, G_MAXUINT32, 0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
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