test/resources/planetlab/ns3/cross_ns3_linux_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):
  47     dev = ec.register_resource("planetlab::Tap")
  48     ec.set(dev, "ip", ip)
  49     ec.set(dev, "prefix", prefix)
  50     ec.register_connection(node, dev)
  51
  52     return dev
  53
  54 def add_point2point_device(ec, node, ip, prefix):
  55     dev = ec.register_resource("ns3::PointToPointNetDevice")
  56     ec.set(dev, "ip", ip)
  57     ec.set(dev, "prefix", prefix)
  58     ec.register_connection(node, dev)
  59
  60     queue = ec.register_resource("ns3::DropTailQueue")
  61     ec.register_connection(dev, queue)
  62
  63     return dev
  64
  65 class LinuxNS3FdNetDeviceTest(unittest.TestCase):
  66     def setUp(self):
  67         #self.fedora_host = "nepi2.pl.sophia.inria.fr"
  68         self.fedora_host = "planetlab2.sics.se"
  69         # ple2.ipv6.lip6.fr
  70         # inriarennes2.irisa.fr
  71         # planetlab1.upc.es
  72         # planetlab3.upc.es
  73         self.fedora_user = "inria_nepi"
  74         self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
  75         self.netblock = "192.168.3"
  76
  77     @skipIfNotAlive
  78     def t_cross_ping(self, host, user, identity):
  79         ec = ExperimentController(exp_id = "test-pl-ns3-tap-fd")
  80
  81         node = ec.register_resource("planetlab::Node")
  82         ec.set(node, "hostname", host)
  83         ec.set(node, "username", user)
  84         ec.set(node, "identity", identity)
  85         ec.set(node, "cleanProcesses", True)
  86         ec.set(node, "cleanExperiment", True)
  87
  88         simu = ec.register_resource("linux::ns3::Simulation")
  89         ec.set(simu, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
  90         ec.set(simu, "checksumEnabled", True)
  91         ec.set(simu, "verbose", True)
  92         #ec.set(simu, "buildMode", "debug")
  93         #ec.set(simu, "nsLog", "FdNetDevice")
  94         ec.register_connection(simu, node)
  95
  96         nsnode1 = add_ns3_node(ec, simu)
  97         dev1 = add_point2point_device(ec, nsnode1, "%s.1" % self.netblock, "30")
  98
  99         nsnode2 = add_ns3_node(ec, simu)
 100         dev2 = add_point2point_device(ec, nsnode2, "%s.2" % self.netblock, "30")
 101
 102         # Add routes on the NS3 side
 103         r1 = ec.register_resource("ns3::Route")
 104         ec.set(r1, "network", "%s.4" % self.netblock)
 105         ec.set(r1, "prefix", "30")
 106         ec.set(r1, "nexthop", "%s.1" % self.netblock)
 107         ec.register_connection(r1, nsnode2)
 108
 109         # Create channel
 110         chan = ec.register_resource("ns3::PointToPointChannel")
 111         ec.set(chan, "Delay", "0s")
 112         ec.register_connection(chan, dev1)
 113         ec.register_connection(chan, dev2)
 114
 115         fddev = add_fd_device(ec, nsnode1, "%s.5" % self.netblock, "30")
 116         ec.enable_trace(fddev, "pcap")
 117         ec.enable_trace(fddev, "promiscPcap")
 118         ec.enable_trace(fddev, "ascii")
 119
 120         tap = add_tap_device(ec, node, "%s.6" % self.netblock, "30")
 121
 122         crosslink = ec.register_resource("planetlab::ns3::TunTapFdLink")
 123         ec.register_connection(crosslink, tap)
 124         ec.register_connection(crosslink, fddev)
 125
 126         r2 = ec.register_resource("planetlab::Vroute")
 127         ec.set(r2, "action", "add")
 128         ec.set(r2, "network", "%s.0/30" % self.netblock)
 129         ec.register_connection(r2, tap)
 130
 131         app = ec.register_resource("linux::Application")
 132         ec.set(app, "command", "ping -c3 %s.1" % self.netblock)
 133         ec.register_connection(app, node)
 134
 135         ec.register_condition(app, ResourceAction.START, simu,
 136                 ResourceState.STARTED, time="5s")
 137
 138         ec.deploy()
 139
 140         ec.wait_finished([app])
 141
 142         stdout = ec.trace(app, "stdout")
 143         expected = "3 packets transmitted, 3 received, 0% packet loss"
 144         self.assertTrue(stdout.find(expected) > -1)
 145
 146         ## Releasing to force ns3 to flush the traces
 147         ec.release()
 148         pcap = ec.trace(fddev, "pcap")
 149
 150         self.assertTrue(len(pcap) > 4000)
 151         ec.shutdown()
 152
 153     def test_cross_ping_fedora(self):
 154         self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
 155
 156
 157 if __name__ == '__main__':
 158     unittest.main()
 159