+++ /dev/null
-"""
-Copyright (c) 2015 SONATA-NFV
-ALL RIGHTS RESERVED.
-
-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.
-
-Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
-nor the names of its contributors may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-
-This work has been performed in the framework of the SONATA project,
-funded by the European Commission under Grant number 671517 through
-the Horizon 2020 and 5G-PPP programmes. The authors would like to
-acknowledge the contributions of their colleagues of the SONATA
-partner consortium (www.sonata-nfv.eu).
-"""
-"""
-A simple topology with two PoPs for the y1 demo story board.
-
- (dc1) <<-->> s1 <<-->> (dc2)
-"""
-
-import logging
-from mininet.log import setLogLevel
-from emuvim.dcemulator.net import DCNetwork
-from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
-from emuvim.api.sonata import SonataDummyGatekeeperEndpoint
-from mininet.node import RemoteController
-import signal
-import sys
-
-
-logging.basicConfig(level=logging.INFO)
-
-net = None
-cli = None
-
-
-def create_topology1():
- # create topology
- net = DCNetwork(controller=RemoteController, monitor=False, enable_learning = False)
- dc1 = net.addDatacenter("dc1")
- dc2 = net.addDatacenter("dc2")
- s1 = net.addSwitch("s1")
- net.addLink(dc1, s1, delay="10ms")
- net.addLink(dc2, s1, delay="20ms")
-
- # add the command line interface endpoint to each DC (REST API)
- rapi1 = RestApiEndpoint("0.0.0.0", 5001)
- rapi1.connectDatacenter(dc1)
- rapi1.connectDatacenter(dc2)
- # run API endpoint server (in another thread, don't block)
- rapi1.start()
-
- # add the SONATA dummy gatekeeper to each DC
- sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000)
- sdkg1.connectDatacenter(dc1)
- sdkg1.connectDatacenter(dc2)
- # run the dummy gatekeeper (in another thread, don't block)
- sdkg1.start()
-
- # start the emulation platform
- net.start()
- #cli = net.CLI()
- #net.stop()
-
-def exit_gracefully(signum, frame):
- """
- 7. At shutdown, we should receive th SIGTERM signal here and shutdown gracefully
- """
- # TODO: investigate why this is not called by the sigterm handler,
- # probably because son-emu container is started with pid=host, so the started python script has not pid=0
- # and docker stop only sends sigterm to pid=0
-
- global net
- global cli
-
- logging.info('Signal handler called with signal {0}'.format(signum))
- net.stop()
-
- sys.exit()
-
-def main():
- setLogLevel('info') # set Mininet loglevel
- # add the SIGTERM handler (eg. received when son-emu docker container stops)
- signal.signal(signal.SIGTERM, exit_gracefully)
- create_topology1()
-
-
-if __name__ == '__main__':
- main()