NetworkManager/libnm/nm-checkpoint.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2017 Red Hat, Inc.
 */

#include "libnm/nm-default-libnm.h"

#include "nm-checkpoint.h"

#include "libnm-core-intern/nm-core-internal.h"
#include "nm-dbus-interface.h"
#include "nm-device.h"
#include "nm-object-private.h"

/*****************************************************************************/

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_DEVICES, PROP_CREATED, PROP_ROLLBACK_TIMEOUT, );

typedef struct {
    NMLDBusPropertyAO devices;
    gint64            created;
    guint32           rollback_timeout;
} NMCheckpointPrivate;

struct _NMCheckpoint {
    NMObject            parent;
    NMCheckpointPrivate _priv;
};

struct _NMCheckpointClass {
    NMObjectClass parent;
};

G_DEFINE_TYPE(NMCheckpoint, nm_checkpoint, NM_TYPE_OBJECT)

#define NM_CHECKPOINT_GET_PRIVATE(self) \
    _NM_GET_PRIVATE(self, NMCheckpoint, NM_IS_CHECKPOINT, NMObject)

/*****************************************************************************/

/**
 * nm_checkpoint_get_devices:
 * @checkpoint: a #NMCheckpoint
 *
 * The devices that are part of this checkpoint.
 *
 * Returns: (element-type NMDevice): the devices list.
 *
 * Since: 1.12
 **/
const GPtrArray *
nm_checkpoint_get_devices(NMCheckpoint *checkpoint)
{
    g_return_val_if_fail(NM_IS_CHECKPOINT(checkpoint), NULL);

    return nml_dbus_property_ao_get_objs_as_ptrarray(
        &NM_CHECKPOINT_GET_PRIVATE(checkpoint)->devices);
}

/**
 * nm_checkpoint_get_created:
 * @checkpoint: a #NMCheckpoint
 *
 * Gets the timestamp (in CLOCK_BOOTTIME milliseconds) of checkpoint creation.
 *
 * Use nm_utils_get_timestamp_msec() to obtain current time value suitable for
 * comparing to this value.
 *
 * Returns: the timestamp of checkpoint creation.
 *
 * Since: 1.12
 **/
gint64
nm_checkpoint_get_created(NMCheckpoint *checkpoint)
{
    g_return_val_if_fail(NM_IS_CHECKPOINT(checkpoint), 0);

    return NM_CHECKPOINT_GET_PRIVATE(checkpoint)->created;
}

/**
 * nm_checkpoint_get_rollback_timeout:
 * @checkpoint: a #NMCheckpoint
 *
 * Gets the timeout in seconds for automatic rollback.
 *
 * Returns: the rollback timeout.
 *
 * Since: 1.12
 **/
guint32
nm_checkpoint_get_rollback_timeout(NMCheckpoint *checkpoint)
{
    g_return_val_if_fail(NM_IS_CHECKPOINT(checkpoint), 0);

    return NM_CHECKPOINT_GET_PRIVATE(checkpoint)->rollback_timeout;
}

/*****************************************************************************/

static void
nm_checkpoint_init(NMCheckpoint *checkpoint)
{}

static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NMCheckpoint *       checkpoint = NM_CHECKPOINT(object);
    NMCheckpointPrivate *priv       = NM_CHECKPOINT_GET_PRIVATE(checkpoint);

    switch (prop_id) {
    case PROP_DEVICES:
        g_value_take_boxed(value,
                           _nm_utils_copy_object_array(nm_checkpoint_get_devices(checkpoint)));
        break;
    case PROP_CREATED:
        g_value_set_int64(value, priv->created);
        break;
    case PROP_ROLLBACK_TIMEOUT:
        g_value_set_uint(value, priv->rollback_timeout);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_checkpoint = NML_DBUS_META_IFACE_INIT_PROP(
    NM_DBUS_INTERFACE_CHECKPOINT,
    nm_checkpoint_get_type,
    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
        NML_DBUS_META_PROPERTY_INIT_X("Created", PROP_CREATED, NMCheckpoint, _priv.created),
        NML_DBUS_META_PROPERTY_INIT_AO_PROP("Devices",
                                            PROP_DEVICES,
                                            NMCheckpoint,
                                            _priv.devices,
                                            nm_device_get_type,
                                            .is_always_ready = TRUE),
        NML_DBUS_META_PROPERTY_INIT_U("RollbackTimeout",
                                      PROP_ROLLBACK_TIMEOUT,
                                      NMCheckpoint,
                                      _priv.rollback_timeout), ), );

static void
nm_checkpoint_class_init(NMCheckpointClass *klass)
{
    GObjectClass * object_class    = G_OBJECT_CLASS(klass);
    NMObjectClass *nm_object_class = NM_OBJECT_CLASS(klass);

    object_class->get_property = get_property;

    _NM_OBJECT_CLASS_INIT_PRIV_PTR_DIRECT(nm_object_class, NMCheckpoint);

    _NM_OBJECT_CLASS_INIT_PROPERTY_AO_FIELDS_1(nm_object_class, NMCheckpointPrivate, devices);

    /**
     * NMCheckpoint:devices: (type GPtrArray(NMDevice))
     *
     * The devices that are part of this checkpoint.
     *
     * Since: 1.12
     **/
    obj_properties[PROP_DEVICES] = g_param_spec_boxed(NM_CHECKPOINT_DEVICES,
                                                      "",
                                                      "",
                                                      G_TYPE_PTR_ARRAY,
                                                      G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMCheckpoint:created:
     *
     * The timestamp (in CLOCK_BOOTTIME milliseconds) of checkpoint creation.
     *
     * Since: 1.12
     **/
    obj_properties[PROP_CREATED] = g_param_spec_int64(NM_CHECKPOINT_CREATED,
                                                      "",
                                                      "",
                                                      G_MININT64,
                                                      G_MAXINT64,
                                                      0,
                                                      G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMCheckpoint:rollback-timeout:
     *
     * Timeout in seconds for automatic rollback, or zero.
     *
     * Since: 1.12
     **/
    obj_properties[PROP_ROLLBACK_TIMEOUT] =
        g_param_spec_uint(NM_CHECKPOINT_ROLLBACK_TIMEOUT,
                          "",
                          "",
                          0,
                          G_MAXUINT32,
                          0,
                          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    _nml_dbus_meta_class_init_with_properties(object_class, &_nml_dbus_meta_iface_nm_checkpoint);
}