#!/usr/bin/env python
#
# NEPI, a framework to manage network experiments
# Copyright (C) 2013 INRIA
#
# This program 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.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
#
# Author: Alina Quereilhac
from nepi.execution.ec import ExperimentController
from nepi.execution.trace import TraceAttr
from test_utils import skipIfNotAlive
import os
import time
import unittest
def add_ns3_node(ec, simu):
node = ec.register_resource("ns3::Node")
ec.register_connection(node, simu)
ipv4 = ec.register_resource("ns3::Ipv4L3Protocol")
ec.register_connection(node, ipv4)
arp = ec.register_resource("ns3::ArpL3Protocol")
ec.register_connection(node, arp)
icmp = ec.register_resource("ns3::Icmpv4L4Protocol")
ec.register_connection(node, icmp)
udp = ec.register_resource("ns3::UdpL4Protocol")
ec.register_connection(node, udp)
tcp = ec.register_resource("ns3::TcpL4Protocol")
ec.register_connection(node, tcp)
return node
def add_point2point_device(ec, node, ip, prefix):
dev = ec.register_resource("ns3::PointToPointNetDevice")
ec.set(dev, "ip", ip)
ec.set(dev, "prefix", prefix)
ec.register_connection(node, dev)
queue = ec.register_resource("ns3::DropTailQueue")
ec.register_connection(dev, queue)
return dev
class LinuxNS3PingDceApplicationTest(unittest.TestCase):
def setUp(self):
self.fedora_host = "nepi2.pl.sophia.inria.fr"
self.fedora_user = "inria_nepi"
self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
@skipIfNotAlive
def t_dce_ping(self, host, user = None, identity = None):
ec = ExperimentController(exp_id = "test-dce-ping-app")
node = ec.register_resource("linux::Node")
if host == "localhost":
ec.set(node, "hostname", host)
else:
ec.set(node, "hostname", host)
ec.set(node, "username", user)
ec.set(node, "identity", identity)
ec.set(node, "cleanProcesses", True)
#ec.set(node, "cleanHome", True)
simu = ec.register_resource("linux::ns3::Simulation")
ec.set(simu, "verbose", True)
ec.set(simu, "buildMode", "debug")
ec.set(simu, "nsLog", "DceApplication")
ec.register_connection(simu, node)
nsnode1 = add_ns3_node(ec, simu)
p2p1 = add_point2point_device(ec, nsnode1, "10.0.0.1", "30")
ec.set(p2p1, "DataRate", "5Mbps")
nsnode2 = add_ns3_node(ec, simu)
p2p2 = add_point2point_device(ec, nsnode2, "10.0.0.2", "30")
ec.set(p2p2, "DataRate", "5Mbps")
# Create channel
chan = ec.register_resource("ns3::PointToPointChannel")
ec.set(chan, "Delay", "2ms")
ec.register_connection(chan, p2p1)
ec.register_connection(chan, p2p2)
### create applications
ping = ec.register_resource("linux::ns3::dce::Ping")
ec.set (ping, "stackSize", 1<<20)
ec.set (ping, "target", "10.0.0.2")
ec.set (ping, "count", "10")
ec.set (ping, "packetSize", "1000")
ec.set (ping, "StartTime", "1s")
ec.set (ping, "StopTime", "20s")
ec.register_connection(ping, nsnode1)
ec.deploy()
ec.wait_finished([ping])
expected = "ping -c 10 -s 1000 10.0.0.2"
cmdline = ec.trace(ping, "cmdline")
self.assertTrue(cmdline.find(expected) > -1, cmdline)
expected = "Start Time: NS3 Time: 1s ("
status = ec.trace(ping, "status")
self.assertTrue(status.find(expected) > -1, status)
expected = "10 packets transmitted, 10 received, 0% packet loss, time 9002ms"
stdout = ec.trace(ping, "stdout")
self.assertTrue(stdout.find(expected) > -1, stdout)
stderr = ec.trace(simu, "stderr")
expected = "DceApplication:StartApplication"
self.assertTrue(stderr.find(expected) > -1, stderr)
ec.shutdown()
def test_dce_ping_fedora(self):
self.t_dce_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
def test_dce_ping_local(self):
self.t_dce_ping("localhost")
if __name__ == '__main__':
unittest.main()