NetworkManager/libnm/nm-device-generic.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/*
 * Copyright (C) 2013 Red Hat, Inc.
 */

#include "nm-default.h"

#include "nm-device-generic.h"

#include "nm-object-private.h"
#include "nm-setting-generic.h"
#include "nm-setting-connection.h"

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

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_TYPE_DESCRIPTION, );

typedef struct {
    char *type_description;
} NMDeviceGenericPrivate;

struct _NMDeviceGeneric {
    NMDevice               parent;
    NMDeviceGenericPrivate _priv;
};

struct _NMDeviceGenericClass {
    NMDeviceClass parent;
};

G_DEFINE_TYPE(NMDeviceGeneric, nm_device_generic, NM_TYPE_DEVICE)

#define NM_DEVICE_GENERIC_GET_PRIVATE(self) \
    _NM_GET_PRIVATE(self, NMDeviceGeneric, NM_IS_DEVICE_GENERIC, NMObject, NMDevice)

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

/**
 * nm_device_generic_get_hw_address: (skip)
 * @device: a #NMDeviceGeneric
 *
 * Gets the hardware address of the #NMDeviceGeneric
 *
 * Returns: the hardware address. This is the internal string used by the
 * device, and must not be modified.
 *
 * Deprecated: 1.24: Use nm_device_get_hw_address() instead.
 **/
const char *
nm_device_generic_get_hw_address(NMDeviceGeneric *device)
{
    g_return_val_if_fail(NM_IS_DEVICE_GENERIC(device), NULL);

    return nm_device_get_hw_address(NM_DEVICE(device));
}

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

static const char *
get_type_description(NMDevice *device)
{
    NMDeviceGenericPrivate *priv = NM_DEVICE_GENERIC_GET_PRIVATE(device);

    return _nml_coerce_property_str_not_empty(priv->type_description);
}

static gboolean
connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
{
    const char *iface_name;

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

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

    iface_name = nm_connection_get_interface_name(connection);
    if (!iface_name) {
        g_set_error_literal(error,
                            NM_DEVICE_ERROR,
                            NM_DEVICE_ERROR_INVALID_CONNECTION,
                            _("The connection did not specify an interface name."));
        return FALSE;
    }

    return TRUE;
}

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

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

static void
nm_device_generic_init(NMDeviceGeneric *device)
{}

static void
finalize(GObject *object)
{
    NMDeviceGenericPrivate *priv = NM_DEVICE_GENERIC_GET_PRIVATE(object);

    g_free(priv->type_description);

    G_OBJECT_CLASS(nm_device_generic_parent_class)->finalize(object);
}

static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NMDeviceGeneric *self = NM_DEVICE_GENERIC(object);

    switch (prop_id) {
    case PROP_TYPE_DESCRIPTION:
        g_value_set_string(value, get_type_description((NMDevice *) self));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_generic = NML_DBUS_META_IFACE_INIT_PROP(
    NM_DBUS_INTERFACE_DEVICE_GENERIC,
    nm_device_generic_get_type,
    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
        NML_DBUS_META_PROPERTY_INIT_FCN("HwAddress",
                                        0,
                                        "s",
                                        _nm_device_notify_update_prop_hw_address),
        NML_DBUS_META_PROPERTY_INIT_S("TypeDescription",
                                      PROP_TYPE_DESCRIPTION,
                                      NMDeviceGeneric,
                                      _priv.type_description), ), );

static void
nm_device_generic_class_init(NMDeviceGenericClass *klass)
{
    GObjectClass * object_class = G_OBJECT_CLASS(klass);
    NMDeviceClass *device_class = NM_DEVICE_CLASS(klass);

    object_class->get_property = get_property;
    object_class->finalize     = finalize;

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

    /**
     * NMDeviceGeneric:type-description:
     *
     * A description of the specific type of device this is, or %NULL
     * if not known.
     **/
    obj_properties[PROP_TYPE_DESCRIPTION] =
        g_param_spec_string(NM_DEVICE_GENERIC_TYPE_DESCRIPTION,
                            "",
                            "",
                            NULL,
                            G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);

    _nml_dbus_meta_class_init_with_properties(object_class,
                                              &_nml_dbus_meta_iface_nm_device_generic);
}