#

# Copyright (c) 2020 Red Hat, Inc.

#

# This file is part of nmstate

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation, either version 2.1 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with this program. If not, see <https://www.gnu.org/licenses/>.

#

from libnmstate.schema import InterfaceType

from libnmstate.schema import MacVlan

from .base_iface import NisporPluginBaseIface

MACVLAN_FLAG_NOPROMISC = 1

MACVLAN_MODES = {

    "unknown": MacVlan.Mode.UNKNOWN,

    "vepa": MacVlan.Mode.VEPA,

    "bridge": MacVlan.Mode.BRIDGE,

    "private": MacVlan.Mode.PRIVATE,

    "passthru": MacVlan.Mode.PASSTHRU,

    "source": MacVlan.Mode.SOURCE,

}

class NisporPluginMacVlanIface(NisporPluginBaseIface):

    @property

    def type(self):

        return InterfaceType.MAC_VLAN

    def to_dict(self, config_only):

        info = super().to_dict(config_only)

        info[MacVlan.CONFIG_SUBTREE] = {

            MacVlan.BASE_IFACE: self._np_iface.base_iface,

            MacVlan.MODE: MACVLAN_MODES.get(

                self._np_iface.mode, MacVlan.Mode.UNKNOWN

            ),

            MacVlan.PROMISCUOUS: self._flag_to_promiscuous(

                self._np_iface.mac_vlan_flags

            ),

        }

        return info

    @staticmethod

    def _flag_to_promiscuous(flags):

        return (flags & MACVLAN_FLAG_NOPROMISC) == 0