# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2012 Isaku Yamahata <yamahata at private email ne jp>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from ryu.app import (conf_switch_key,
                     rest_nw_id)
from ryu.base import app_manager
from ryu.controller import (conf_switch,
                            dpset,
                            handler,
                            network,
                            tunnels)
import ryu.exception as ryu_exc
from ryu.lib import dpid as dpid_lib
from ryu.lib import hub
from ryu.lib.ovs import bridge
from ryu.ofproto import nx_match


def _is_reserved_port(dp, port_no):
    return port_no > dp.ofproto.OFPP_MAX


class SimpleVLAN(app_manager.RyuApp):
    _CONTEXTS = {
        'conf_switch': conf_switch.ConfSwitchSet,
        'dpset': dpset.DPSet,
        'network': network.Network,
        'tunnels': tunnels.Tunnels,
    }

    _PRIORITY_CATCHALL = 1
    _PRIORITY_NORMAL = 2

    _COOKIE_CATCHALL = 1