test/resources/planetlab/ns3/cross_ns3_planetlab_tuntapfdlink_ping.py

   1 #!/usr/bin/env python
   2 #
   3 #    NEPI, a framework to manage network experiments
   4 #    Copyright (C) 2013 INRIA
   5 #
   6 #    This program is free software: you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation, either version 3 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    This program is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  20
  21 from nepi.execution.ec import ExperimentController
  22 from nepi.execution.resource import ResourceState, ResourceAction
  23 from nepi.execution.trace import TraceAttr
  24
  25 from test_utils import skipIfNotAlive
  26
  27 import os
  28 import time
  29 import unittest
  30
  31 def add_ns3_node(ec, simu):
  32     node = ec.register_resource("ns3::Node")
  33     ec.set(node, "enableStack", True)
  34     ec.register_connection(node, simu)
  35
  36     return node
  37
  38 def add_fd_device(ec, node, ip, prefix):
  39     dev = ec.register_resource("ns3::FdNetDevice")
  40     ec.set(dev, "ip", ip)
  41     ec.set(dev, "prefix", prefix)
  42     ec.register_connection(node, dev)
  43
  44     return dev
  45
  46 def add_tap_device(ec, node, ip, prefix, pointopoint):
  47     dev = ec.register_resource("planetlab::Tap")
  48     ec.set(dev, "ip", ip)
  49     ec.set(dev, "prefix", prefix)
  50     ec.set(dev, "pointopoint", pointopoint)
  51     ec.register_connection(node, dev)
  52
  53     return dev
  54
  55 def add_point2point_device(ec, node, ip, prefix):
  56     dev = ec.register_resource("ns3::PointToPointNetDevice")
  57     ec.set(dev, "ip", ip)
  58     ec.set(dev, "prefix", prefix)
  59     ec.register_connection(node, dev)
  60
  61     queue = ec.register_resource("ns3::DropTailQueue")
  62     ec.register_connection(dev, queue)
  63
  64     return dev
  65
  66 class LinuxNS3FdNetDeviceTest(unittest.TestCase):
  67     def setUp(self):
  68         #self.fedora_host = "nepi2.pl.sophia.inria.fr"
  69         #self.fedora_host = "planetlab2.s3.kth.se"
  70         self.fedora_host = "planet2.servers.ua.pt"
  71         # ple2.ipv6.lip6.fr
  72         # inriarennes2.irisa.fr
  73         # planetlab1.upc.es
  74         # planetlab3.upc.es
  75         self.fedora_user = "inria_nepi"
  76         self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
  77         self.netblock = "192.168.3"
  78
  79     @skipIfNotAlive
  80     def t_cross_ping(self, host, user, identity):
  81
  82         ec = ExperimentController(exp_id = "test-pl-ns3-tap-fd")
  83
  84         node = ec.register_resource("planetlab::Node")
  85         ec.set(node, "hostname", host)
  86         ec.set(node, "username", user)
  87         ec.set(node, "identity", identity)
  88         ec.set(node, "cleanProcesses", True)
  89         ec.set(node, "cleanExperiment", True)
  90
  91         simu = ec.register_resource("linux::ns3::Simulation")
  92         ec.set(simu, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
  93         ec.set(simu, "checksumEnabled", True)
  94         ec.set(simu, "verbose", True)
  95         #ec.set(simu, "buildMode", "debug")
  96         #ec.set(simu, "nsLog", "FdNetDevice")
  97         ec.register_connection(simu, node)
  98
  99         net1 = "%s.0" % self.netblock
 100         net2 = "%s.4" % self.netblock
 101         ip1 = "%s.1" % self.netblock
 102         ip2 = "%s.2" % self.netblock
 103         ip3 = "%s.5" % self.netblock
 104         ip4 = "%s.6" % self.netblock
 105
 106         nsnode1 = add_ns3_node(ec, simu)
 107         dev1 = add_point2point_device(ec, nsnode1, ip1, "30")
 108
 109         nsnode2 = add_ns3_node(ec, simu)
 110         dev2 = add_point2point_device(ec, nsnode2, ip2, "30")
 111
 112         # Add routes on the NS3 side
 113         r1 = ec.register_resource("ns3::Route")
 114         ec.set(r1, "network", net2)
 115         ec.set(r1, "prefix", "30")
 116         ec.set(r1, "nexthop", ip1)
 117         ec.register_connection(r1, nsnode2)
 118
 119         # Create channel
 120         chan = ec.register_resource("ns3::PointToPointChannel")
 121         ec.set(chan, "Delay", "0s")
 122         ec.register_connection(chan, dev1)
 123         ec.register_connection(chan, dev2)
 124
 125         fddev = add_fd_device(ec, nsnode1, ip3, "30")
 126         ec.enable_trace(fddev, "pcap")
 127         ec.enable_trace(fddev, "promiscPcap")
 128         ec.enable_trace(fddev, "ascii")
 129
 130         tap = add_tap_device(ec, node, ip4, "30", ip3)
 131
 132         crosslink = ec.register_resource("planetlab::ns3::TunTapFdLink")
 133         ec.register_connection(crosslink, tap)
 134         ec.register_connection(crosslink, fddev)
 135
 136         r2 = ec.register_resource("planetlab::Vroute")
 137         ec.set(r2, "network", net1)
 138         ec.set(r2, "prefix", "30")
 139         ec.set(r2, "nexthop", ip3)
 140         ec.register_connection(r2, tap)
 141
 142         app = ec.register_resource("linux::Application")
 143         ec.set(app, "command", "ping -c3 %s" % ip1)
 144         ec.register_connection(app, node)
 145
 146         ec.register_condition(app, ResourceAction.START, simu,
 147                 ResourceState.STARTED, time="5s")
 148
 149         ec.deploy()
 150
 151         ec.wait_finished([app])
 152
 153         stdout = ec.trace(app, "stdout")
 154         expected = "3 packets transmitted, 3 received, 0% packet loss"
 155         self.assertTrue(stdout.find(expected) > -1)
 156
 157         ## Releasing to force ns3 to flush the traces
 158         ec.release()
 159         pcap = ec.trace(fddev, "pcap")
 160
 161         self.assertTrue(len(pcap) > 1500)
 162         ec.shutdown()
 163
 164     def test_cross_ping_fedora(self):
 165         self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
 166
 167
 168 if __name__ == '__main__':
 169     unittest.main()
 170