ndn/experiments/psync/psync-partial.py

# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#
# Copyright (C) 2015-2019, The University of Memphis,
#                          Arizona Board of Regents,
#                          Regents of the University of California.
#
# This file is part of Mini-NDN.
# See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
#
# Mini-NDN is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Mini-NDN 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 General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with Mini-NDN, e.g., in COPYING.md file.
# If not, see <http://www.gnu.org/licenses/>.

from ndn.experiments.experiment import Experiment
from ndn.apps.nfdc import Nfdc

import time
import sys

class PSyncPartial(Experiment):

    def __init__(self, args):
        Experiment.__init__(self, args)

    def start(self):
        host1 = self.net.hosts[0]

        host1.cmd("export NDN_LOG=examples.PartialSyncProducerApp=INFO")
        host1.cmd("psync-producer /sync /{} 10 1 &> producer.log &".format(host1.name))
        time.sleep(1)

        host1.cmd("export NDN_LOG=examples.PartialSyncConsumerApp=INFO:$NDN_LOG")
        host1.cmd("psync-consumer /sync 5 &> consumer.log &")

        print("Sleeping 90 seconds for convergence")
        time.sleep(90)

        consumerSubs = int(host1.cmd("cat consumer.log | grep -c Subscribing"))
        consumerUpdates = int(host1.cmd("cat consumer.log | grep -c Update"))
        producerPublish = int(host1.cmd("cat producer.log | grep -c Publish"))

        if consumerSubs == 5 and consumerUpdates == 5 and producerPublish == 10:
            print("PSync partial sync has successfully converged.")
        else:
            print("PSync partial sync convergence was not successful. Exiting...")
            self.net.stop()
            sys.exit(1)

Experiment.register("psync-partial", PSyncPartial)