#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (c) 2017 Cisco and/or its affiliates.
#
# 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.
#

import asyncio
import logging
import os
import sys

PATH=os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir)
sys.path.insert(0, os.path.abspath(PATH))

import netmodel.network.interfaces
from netmodel.network.router      import Router
from netmodel.model.query         import Query, ACTION_SELECT, ACTION_SUBSCRIBE
from netmodel.util.daemon         import Daemon
from netmodel.util.log            import initialize_logging

log = logging.getLogger(__name__)

class RouterDaemon(Daemon):

    def initialize(self):
        log.info("Starting RouterServer")

        initialize_logging()
        register_interfaces()

        self._router = Router()

        self._router.add_interface('websocketserver')
        self._router.add_interface('bwm')
        self._router.add_interface('local', router = self._router)


    def main(self):
        loop = asyncio.get_event_loop()
        try:
            loop.run_forever()
        except KeyboardInterrupt:
            pass
        except Exception as e:
            import traceback
            traceback.print_exc()

    def terminate(self):
        """
        Function called when the RouterDaemon must stops.
        """
        try:
            log.info("Stopping gracefully RouterServer")
            self._router.terminate()
        except AttributeError:
            # self._router_server may not exists for instance if the
            # socket is already in use.
            pass

def main():
    RouterDaemon('router', no_daemon = True).start()

if __name__ == "__main__":
    main()