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

#include "nm-default.h"

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

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

/**
 * SECTION:nm-setting-ovs-port
 * @short_description: Describes connection properties for Open vSwitch ports.
 *
 * The #NMSettingOvsPort object is a #NMSetting subclass that describes properties
 * necessary for Open vSwitch ports.
 **/

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

NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_VLAN_MODE,
                                  PROP_TAG,
                                  PROP_LACP,
                                  PROP_BOND_MODE,
                                  PROP_BOND_UPDELAY,
                                  PROP_BOND_DOWNDELAY, );

/**
 * NMSettingOvsPort:
 *
 * OvsPort Link Settings
 */
struct _NMSettingOvsPort {
    NMSetting parent;

    char *vlan_mode;
    char *lacp;
    char *bond_mode;
    guint tag;
    guint bond_updelay;
    guint bond_downdelay;
};

struct _NMSettingOvsPortClass {
    NMSettingClass parent;
};

G_DEFINE_TYPE(NMSettingOvsPort, nm_setting_ovs_port, NM_TYPE_SETTING)

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

/**
 * nm_setting_ovs_port_get_vlan_mode:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:vlan-mode property of the setting
 *
 * Since: 1.10
 **/
const char *
nm_setting_ovs_port_get_vlan_mode(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), NULL);

    return self->vlan_mode;
}

/**
 * nm_setting_ovs_port_get_tag:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:tag property of the setting
 *
 * Since: 1.10
 **/
guint
nm_setting_ovs_port_get_tag(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), 0);

    return self->tag;
}

/**
 * nm_setting_ovs_port_get_lacp:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:lacp property of the setting
 *
 * Since: 1.10
 **/
const char *
nm_setting_ovs_port_get_lacp(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), NULL);

    return self->lacp;
}

/**
 * nm_setting_ovs_port_get_bond_mode:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:bond-mode property of the setting
 *
 * Since: 1.10
 **/
const char *
nm_setting_ovs_port_get_bond_mode(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), NULL);

    return self->bond_mode;
}

/**
 * nm_setting_ovs_port_get_bond_updelay:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:bond-updelay property of the setting
 *
 * Since: 1.10
 **/
guint
nm_setting_ovs_port_get_bond_updelay(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), 0);

    return self->bond_updelay;
}

/**
 * nm_setting_ovs_port_get_bond_downdelay:
 * @self: the #NMSettingOvsPort
 *
 * Returns: the #NMSettingOvsPort:bond-downdelay property of the setting
 *
 * Since: 1.10
 **/
guint
nm_setting_ovs_port_get_bond_downdelay(NMSettingOvsPort *self)
{
    g_return_val_if_fail(NM_IS_SETTING_OVS_PORT(self), 0);

    return self->bond_downdelay;
}

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

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

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

    if (connection) {
        NMSettingConnection *s_con;
        const char *         slave_type;

        s_con = nm_connection_get_setting_connection(connection);
        if (!s_con) {
            g_set_error(error,
                        NM_CONNECTION_ERROR,
                        NM_CONNECTION_ERROR_MISSING_SETTING,
                        _("missing setting"));
            g_prefix_error(error, "%s: ", NM_SETTING_CONNECTION_SETTING_NAME);
            return FALSE;
        }

        if (!nm_setting_connection_get_master(s_con)) {
            g_set_error(error,
                        NM_CONNECTION_ERROR,
                        NM_CONNECTION_ERROR_INVALID_PROPERTY,
                        _("A connection with a '%s' setting must have a master."),
                        NM_SETTING_OVS_PORT_SETTING_NAME);
            g_prefix_error(error,
                           "%s.%s: ",
                           NM_SETTING_CONNECTION_SETTING_NAME,
                           NM_SETTING_CONNECTION_MASTER);
            return FALSE;
        }

        slave_type = nm_setting_connection_get_slave_type(s_con);
        if (slave_type && strcmp(slave_type, NM_SETTING_OVS_BRIDGE_SETTING_NAME)) {
            g_set_error(error,
                        NM_CONNECTION_ERROR,
                        NM_CONNECTION_ERROR_INVALID_PROPERTY,
                        _("A connection with a '%s' setting must have the slave-type set to '%s'. "
                          "Instead it is '%s'"),
                        NM_SETTING_OVS_PORT_SETTING_NAME,
                        NM_SETTING_OVS_BRIDGE_SETTING_NAME,
                        slave_type);
            g_prefix_error(error,
                           "%s.%s: ",
                           NM_SETTING_CONNECTION_SETTING_NAME,
                           NM_SETTING_CONNECTION_SLAVE_TYPE);
            return FALSE;
        }
    }

    if (!NM_IN_STRSET(self->vlan_mode,
                      "access",
                      "native-tagged",
                      "native-untagged",
                      "trunk",
                      NULL)) {
        g_set_error(error,
                    NM_CONNECTION_ERROR,
                    NM_CONNECTION_ERROR_INVALID_PROPERTY,
                    _("'%s' is not allowed in vlan_mode"),
                    self->vlan_mode);
        g_prefix_error(error,
                       "%s.%s: ",
                       NM_SETTING_OVS_PORT_SETTING_NAME,
                       NM_SETTING_OVS_PORT_VLAN_MODE);
        return FALSE;
    }

    if (self->tag >= 4095) {
        g_set_error(error,
                    NM_CONNECTION_ERROR,
                    NM_CONNECTION_ERROR_INVALID_PROPERTY,
                    _("the tag id must be in range 0-4094 but is %u"),
                    self->tag);
        g_prefix_error(error, "%s.%s: ", NM_SETTING_OVS_PORT_SETTING_NAME, NM_SETTING_OVS_PORT_TAG);
        return FALSE;
    }

    if (!NM_IN_STRSET(self->lacp, "active", "off", "passive", NULL)) {
        g_set_error(error,
                    NM_CONNECTION_ERROR,
                    NM_CONNECTION_ERROR_INVALID_PROPERTY,
                    _("'%s' is not allowed in lacp"),
                    self->lacp);
        g_prefix_error(error,
                       "%s.%s: ",
                       NM_SETTING_OVS_PORT_SETTING_NAME,
                       NM_SETTING_OVS_PORT_LACP);
        return FALSE;
    }

    if (!NM_IN_STRSET(self->bond_mode, "active-backup", "balance-slb", "balance-tcp", NULL)) {
        g_set_error(error,
                    NM_CONNECTION_ERROR,
                    NM_CONNECTION_ERROR_INVALID_PROPERTY,
                    _("'%s' is not allowed in bond_mode"),
                    self->bond_mode);
        g_prefix_error(error,
                       "%s.%s: ",
                       NM_SETTING_OVS_PORT_SETTING_NAME,
                       NM_SETTING_OVS_PORT_BOND_MODE);
        return FALSE;
    }

    return TRUE;
}

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

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

    switch (prop_id) {
    case PROP_VLAN_MODE:
        g_value_set_string(value, self->vlan_mode);
        break;
    case PROP_TAG:
        g_value_set_uint(value, self->tag);
        break;
    case PROP_LACP:
        g_value_set_string(value, self->lacp);
        break;
    case PROP_BOND_MODE:
        g_value_set_string(value, self->bond_mode);
        break;
    case PROP_BOND_UPDELAY:
        g_value_set_uint(value, self->bond_updelay);
        break;
    case PROP_BOND_DOWNDELAY:
        g_value_set_uint(value, self->bond_downdelay);
        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)
{
    NMSettingOvsPort *self = NM_SETTING_OVS_PORT(object);

    switch (prop_id) {
    case PROP_VLAN_MODE:
        g_free(self->vlan_mode);
        self->vlan_mode = g_value_dup_string(value);
        break;
    case PROP_TAG:
        self->tag = g_value_get_uint(value);
        break;
    case PROP_LACP:
        g_free(self->lacp);
        self->lacp = g_value_dup_string(value);
        break;
    case PROP_BOND_MODE:
        g_free(self->bond_mode);
        self->bond_mode = g_value_dup_string(value);
        break;
    case PROP_BOND_UPDELAY:
        self->bond_updelay = g_value_get_uint(value);
        break;
    case PROP_BOND_DOWNDELAY:
        self->bond_downdelay = g_value_get_uint(value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

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

static void
nm_setting_ovs_port_init(NMSettingOvsPort *self)
{}

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

static void
finalize(GObject *object)
{
    NMSettingOvsPort *self = NM_SETTING_OVS_PORT(object);

    g_free(self->vlan_mode);
    g_free(self->lacp);
    g_free(self->bond_mode);

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

static void
nm_setting_ovs_port_class_init(NMSettingOvsPortClass *klass)
{
    GObjectClass *  object_class  = G_OBJECT_CLASS(klass);
    NMSettingClass *setting_class = NM_SETTING_CLASS(klass);

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

    setting_class->verify = verify;

    /**
     * NMSettingOvsPort:vlan-mode:
     *
     * The VLAN mode. One of "access", "native-tagged", "native-untagged",
     * "trunk" or unset.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_VLAN_MODE] = g_param_spec_string(
        NM_SETTING_OVS_PORT_VLAN_MODE,
        "",
        "",
        NULL,
        G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMSettingOvsPort:tag:
     *
     * The VLAN tag in the range 0-4095.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_TAG] =
        g_param_spec_uint(NM_SETTING_OVS_PORT_TAG,
                          "",
                          "",
                          0,
                          4095,
                          0,
                          G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMSettingOvsPort:lacp:
     *
     * LACP mode. One of "active", "off", or "passive".
     *
     * Since: 1.10
     **/
    obj_properties[PROP_LACP] = g_param_spec_string(NM_SETTING_OVS_PORT_LACP,
                                                    "",
                                                    "",
                                                    NULL,
                                                    G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE
                                                        | G_PARAM_STATIC_STRINGS);

    /**
     * NMSettingOvsPort:bond-mode:
     *
     * Bonding mode. One of "active-backup", "balance-slb", or "balance-tcp".
     *
     * Since: 1.10
     **/
    obj_properties[PROP_BOND_MODE] = g_param_spec_string(
        NM_SETTING_OVS_PORT_BOND_MODE,
        "",
        "",
        NULL,
        G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMSettingOvsPort:bond-updelay:
     *
     * The time port must be active before it starts forwarding traffic.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_BOND_UPDELAY] =
        g_param_spec_uint(NM_SETTING_OVS_PORT_BOND_UPDELAY,
                          "",
                          "",
                          0,
                          G_MAXUINT,
                          0,
                          G_PARAM_READWRITE | NM_SETTING_PARAM_INFERRABLE | G_PARAM_STATIC_STRINGS);

    /**
     * NMSettingOvsPort:bond-downdelay:
     *
     * The time port must be inactive in order to be considered down.
     *
     * Since: 1.10
     **/
    obj_properties[PROP_BOND_DOWNDELAY] =
        g_param_spec_uint(NM_SETTING_OVS_PORT_BOND_DOWNDELAY,
                          "",
                          "",
                          0,
                          G_MAXUINT,
                          0,
                          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_PORT);
}