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

#include "nm-default.h"

#include "nm-setting-ovs-patch.h"

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

/**
 * SECTION:nm-setting-ovs-patch
 * @short_description: Describes connection properties for Open vSwitch patch interfaces.
 *
 * The #NMSettingOvsPatch object is a #NMSetting subclass that describes properties
 * necessary for Open vSwitch interfaces of type "patch".
 **/

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

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PEER, );

/**
 * NMSettingOvsPatch:
 *
 * OvsPatch Link Settings
 */
struct _NMSettingOvsPatch {
    NMSetting parent;

    char *peer;
};

struct _NMSettingOvsPatchClass {
    NMSettingClass parent;
};

G_DEFINE_TYPE(NMSettingOvsPatch, nm_setting_ovs_patch, NM_TYPE_SETTING)

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

/**
 * nm_setting_ovs_patch_get_peer:
 * @self: the #NMSettingOvsPatch
 *
 * Returns: the #NMSettingOvsPatch:peer property of the setting
 *
 * Since: 1.10
 **/
const char *
nm_setting_ovs_patch_get_peer(NMSettingOvsPatch *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PATCH(self), NULL);

    return self->peer;
}

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

static int
verify(NMSetting *setting, NMConnection *connection, GError **error)
{
    NMSettingOvsPatch *self = NM_SETTING_OVS_PATCH(setting);

    if (!_nm_connection_verify_required_interface_name(connection, error))
        return FALSE;

    if (!self->peer) {
        g_set_error_literal(error,
                            NM_CONNECTION_ERROR,
                            NM_CONNECTION_ERROR_MISSING_PROPERTY,
                            _("property is missing"));
        g_prefix_error(error,
                       "%s.%s: ",
                       NM_SETTING_OVS_PATCH_SETTING_NAME,
                       NM_SETTING_OVS_PATCH_PEER);
        return FALSE;
    }

    if (!nm_utils_ifname_valid(self->peer, NMU_IFACE_OVS, error)) {
        g_prefix_error(error,
                       "%s.%s: ",
                       NM_SETTING_OVS_PATCH_SETTING_NAME,
                       NM_SETTING_OVS_PATCH_PEER);
        return FALSE;
    }

    return TRUE;
}

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

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

    switch (prop_id) {
    case PROP_PEER:
        g_value_set_string(value, self->peer);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
    NMSettingOvsPatch *self = NM_SETTING_OVS_PATCH(object);

    switch (prop_id) {
    case PROP_PEER:
        g_free(self->peer);
        self->peer = g_value_dup_string(value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

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

static void
nm_setting_ovs_patch_init(NMSettingOvsPatch *self)
{}

/**
 * nm_setting_ovs_patch_new:
 *
 * Creates a new #NMSettingOvsPatch object with default values.
 *
 * Returns: (transfer full): the new empty #NMSettingOvsPatch object
 *
 * Since: 1.10
 **/
NMSetting *
nm_setting_ovs_patch_new(void)
{
    return (NMSetting *) g_object_new(NM_TYPE_SETTING_OVS_PATCH, NULL);
}

static void
finalize(GObject *object)
{
    NMSettingOvsPatch *self = NM_SETTING_OVS_PATCH(object);

    g_free(self->peer);

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

static void
nm_setting_ovs_patch_class_init(NMSettingOvsPatchClass *klass)
{
    GObjectClass *  object_class  = G_OBJECT_CLASS(klass);
    NMSettingClass *setting_class = NM_SETTING_CLASS(klass);

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

    setting_class->verify = verify;

    /**
     * NMSettingOvsPatch:peer:
     *
     * Specifies the name of the interface for the other side of the patch.
     * The patch on the other side must also set this interface as peer.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_PEER] = g_param_spec_string(NM_SETTING_OVS_PATCH_PEER,
                                                    "",
                                                    "",
                                                    NULL,
                                                    G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE
                                                        | G_PARAM_STATIC_STRINGS);

    g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);

    _nm_setting_class_commit(setting_class, NM_META_SETTING_TYPE_OVS_PATCH);
}