3 # NEPI, a framework to manage network experiments
4 # Copyright (C) 2013 INRIA
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.
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.
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/>.
19 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
21 from nepi.execution.ec import ExperimentController
22 from nepi.execution.resource import ResourceState, ResourceAction
23 from nepi.execution.trace import TraceAttr
25 from test_utils import skipIfNotAlive
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)
38 def add_fd_device(ec, node, ip, prefix):
39 dev = ec.register_resource("ns3::FdNetDevice")
41 ec.set(dev, "prefix", prefix)
42 ec.register_connection(node, dev)
46 def add_tap_device(ec, node, ip, prefix):
47 dev = ec.register_resource("planetlab::Tap")
49 ec.set(dev, "prefix", prefix)
50 ec.register_connection(node, dev)
54 def add_point2point_device(ec, node, ip, prefix):
55 dev = ec.register_resource("ns3::PointToPointNetDevice")
57 ec.set(dev, "prefix", prefix)
58 ec.register_connection(node, dev)
60 queue = ec.register_resource("ns3::DropTailQueue")
61 ec.register_connection(dev, queue)
65 class LinuxNS3FdNetDeviceTest(unittest.TestCase):
67 #self.fedora_host = "nepi2.pl.sophia.inria.fr"
68 self.fedora_host = "planetlab2.sics.se"
70 # inriarennes2.irisa.fr
73 self.fedora_user = "inria_nepi"
74 self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
75 self.netblock = "192.168.3"
78 def t_cross_ping(self, host, user, identity):
79 ec = ExperimentController(exp_id = "test-pl-ns3-tap-fd")
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)
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)
96 nsnode1 = add_ns3_node(ec, simu)
97 dev1 = add_point2point_device(ec, nsnode1, "%s.1" % self.netblock, "30")
99 nsnode2 = add_ns3_node(ec, simu)
100 dev2 = add_point2point_device(ec, nsnode2, "%s.2" % self.netblock, "30")
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)
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)
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")
120 tap = add_tap_device(ec, node, "%s.6" % self.netblock, "30")
122 crosslink = ec.register_resource("planetlab::ns3::TunTapFdLink")
123 ec.register_connection(crosslink, tap)
124 ec.register_connection(crosslink, fddev)
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)
131 app = ec.register_resource("linux::Application")
132 ec.set(app, "command", "ping -c3 %s.1" % self.netblock)
133 ec.register_connection(app, node)
135 ec.register_condition(app, ResourceAction.START, simu,
136 ResourceState.STARTED, time="5s")
140 ec.wait_finished([app])
142 stdout = ec.trace(app, "stdout")
143 expected = "3 packets transmitted, 3 received, 0% packet loss"
144 self.assertTrue(stdout.find(expected) > -1)
146 ## Releasing to force ns3 to flush the traces
148 pcap = ec.trace(fddev, "pcap")
150 self.assertTrue(len(pcap) > 4000)
153 def test_cross_ping_fedora(self):
154 self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
157 if __name__ == '__main__':