#!/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 version 2 as
# published by the Free Software Foundation;
#
# 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 __future__ import print_function
from nepi.execution.ec import ExperimentController
from test_utils import skipIfAnyNotAliveWithIdentity
import os
import time
import unittest
class LinuxUdpTunnelTestCase(unittest.TestCase):
def setUp(self):
self.host = "roseval.pl.sophia.inria.fr"
self.user = "inria_nepi"
self.identity = "%s/.ssh/id_rsa" % (os.environ['HOME'])
@skipIfAnyNotAliveWithIdentity
def t_tap_udp_tunnel(self, user, host, identity):
ec = ExperimentController(exp_id="test-tap-udp-tunnel")
node1 = ec.register_resource("linux::Node")
ec.set(node1, "hostname", "localhost")
ec.set(node1, "cleanExperiment", True)
ec.set(node1, "cleanProcesses", True)
tap1 = ec.register_resource("linux::Tap")
ec.set(tap1, "ip", "192.168.3.1")
ec.set(tap1, "prefix", "30")
ec.register_connection(tap1, node1)
node2 = ec.register_resource("linux::Node")
ec.set(node2, "hostname", host)
ec.set(node2, "username", user)
ec.set(node2, "identity", identity)
ec.set(node2, "cleanExperiment", True)
ec.set(node2, "cleanProcesses", True)
tap2 = ec.register_resource("linux::Tap")
ec.set(tap2, "ip", "192.168.3.2")
ec.set(tap2, "prefix", "30")
ec.register_connection(tap2, node2)
udptun = ec.register_resource("linux::UdpTunnel")
ec.register_connection(tap1, udptun)
ec.register_connection(tap2, udptun)
app = ec.register_resource("linux::Application")
cmd = "ping -c3 192.168.3.2"
ec.set(app, "command", cmd)
ec.register_connection(app, node1)
ec.deploy()
ec.wait_finished(app)
ping = ec.trace(app, "stdout")
print(ping)
expected = """3 packets transmitted, 3 received, 0% packet loss"""
self.assertTrue(ping.find(expected) > -1)
vif_name = ec.get(tap1, "deviceName")
self.assertTrue(vif_name.startswith("tap"))
vif_name = ec.get(tap2, "deviceName")
self.assertTrue(vif_name.startswith("tap"))
ec.shutdown()
@skipIfAnyNotAliveWithIdentity
def t_tun_udp_tunnel(self, user, host, identity):
ec = ExperimentController(exp_id="test-tun-udp-tunnel")
node1 = ec.register_resource("linux::Node")
ec.set(node1, "hostname", "localhost")
ec.set(node1, "cleanExperiment", True)
ec.set(node1, "cleanProcesses", True)
tun1 = ec.register_resource("linux::Tun")
ec.set(tun1, "ip", "192.168.3.1")
ec.set(tun1, "prefix", "30")
ec.register_connection(tun1, node1)
node2 = ec.register_resource("linux::Node")
ec.set(node2, "hostname", host)
ec.set(node2, "username", user)
ec.set(node2, "identity", identity)
ec.set(node2, "cleanExperiment", True)
ec.set(node2, "cleanProcesses", True)
tun2 = ec.register_resource("linux::Tun")
ec.set(tun2, "ip", "192.168.3.2")
ec.set(tun2, "prefix", "30")
ec.register_connection(tun2, node2)
udptun = ec.register_resource("linux::UdpTunnel")
ec.register_connection(tun1, udptun)
ec.register_connection(tun2, udptun)
app = ec.register_resource("linux::Application")
cmd = "ping -c3 192.168.3.2"
ec.set(app, "command", cmd)
ec.register_connection(app, node1)
ec.deploy()
ec.wait_finished(app)
ping = ec.trace(app, "stdout")
print(ping)
expected = """3 packets transmitted, 3 received, 0% packet loss"""
self.assertTrue(ping.find(expected) > -1)
vif_name = ec.get(tun1, "deviceName")
self.assertTrue(vif_name.startswith("tun"))
vif_name = ec.get(tun2, "deviceName")
self.assertTrue(vif_name.startswith("tun"))
ec.shutdown()
def test_tap_udp_tunnel(self):
self.t_tap_udp_tunnel(self.user, self.host, self.identity)
def ztest_tun_udp_tunnel(self):
self.t_tun_udp_tunnel(self.user, self.host, self.identity)
if __name__ == '__main__':
unittest.main()