/* SPDX-License-Identifier: LGPL-2.1+ */

#include "nm-default.h"

#include "nm-device-vrf.h"

#include "nm-setting-connection.h"
#include "nm-setting-vrf.h"
#include "nm-utils.h"
#include "nm-object-private.h"

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

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_TABLE, );

typedef struct {
    guint32 table;
} NMDeviceVrfPrivate;

struct _NMDeviceVrf {
    NMDevice           parent;
    NMDeviceVrfPrivate _priv;
};

struct _NMDeviceVrfClass {
    NMDeviceClass parent;
};

G_DEFINE_TYPE(NMDeviceVrf, nm_device_vrf, NM_TYPE_DEVICE)

#define NM_DEVICE_VRF_GET_PRIVATE(self) \
    _NM_GET_PRIVATE(self, NMDeviceVrf, NM_IS_DEVICE_VRF, NMObject, NMDevice)

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

/**
 * nm_device_vrf_get_table:
 * @device: a #NMDeviceVrf
 *
 * Returns: the device's VRF routing table.
 *
 * Since: 1.24
 **/
guint32
nm_device_vrf_get_table(NMDeviceVrf *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_VRF(device), 0);

    return NM_DEVICE_VRF_GET_PRIVATE(device)->table;
}

static gboolean
connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
{
    NMSettingVrf *s_vrf;

    if (!NM_DEVICE_CLASS(nm_device_vrf_parent_class)
             ->connection_compatible(device, connection, error))
        return FALSE;

    if (!nm_connection_is_type(connection, NM_SETTING_VRF_SETTING_NAME)) {
        g_set_error_literal(error,
                            NM_DEVICE_ERROR,
                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                            _("The connection was not a VRF connection."));
        return FALSE;
    }

    s_vrf = (NMSettingVrf *) nm_connection_get_setting(connection, NM_TYPE_SETTING_VRF);
    if (nm_setting_vrf_get_table(s_vrf) != nm_device_vrf_get_table(NM_DEVICE_VRF(device))) {
        g_set_error_literal(error,
                            NM_DEVICE_ERROR,
                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
                            _("The VRF table of the device and the connection didn't match."));
        return FALSE;
    }

    return TRUE;
}

static GType
get_setting_type(NMDevice *device)
{
    return NM_TYPE_SETTING_VRF;
}

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

static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NMDeviceVrf *device = NM_DEVICE_VRF(object);

    switch (prop_id) {
    case PROP_TABLE:
        g_value_set_uint(value, nm_device_vrf_get_table(device));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nm_device_vrf_init(NMDeviceVrf *device)
{}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_vrf = NML_DBUS_META_IFACE_INIT_PROP(
    NM_DBUS_INTERFACE_DEVICE_VRF,
    nm_device_vrf_get_type,
    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_HIGH,
    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
        NML_DBUS_META_PROPERTY_INIT_U("Table", PROP_TABLE, NMDeviceVrf, _priv.table), ), );

static void
nm_device_vrf_class_init(NMDeviceVrfClass *klass)
{
    GObjectClass * object_class    = G_OBJECT_CLASS(klass);
    NMObjectClass *nm_object_class = NM_OBJECT_CLASS(klass);
    NMDeviceClass *device_class    = NM_DEVICE_CLASS(klass);

    object_class->get_property = get_property;

    _NM_OBJECT_CLASS_INIT_PRIV_PTR_DIRECT(nm_object_class, NMDeviceVrf);

    device_class->connection_compatible = connection_compatible;
    device_class->get_setting_type      = get_setting_type;

    /**
     * NMDeviceVrf:table:
     *
     * The device's VRF table.
     *
     * Since: 1.24
     **/
    obj_properties[PROP_TABLE] = g_param_spec_uint(NM_DEVICE_VRF_TABLE,
                                                   "",
                                                   "",
                                                   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_device_vrf);
}