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, pointopoint):
47 dev = ec.register_resource("planetlab::Tap")
49 ec.set(dev, "prefix", prefix)
50 ec.set(dev, "pointopoint", pointopoint)
51 ec.register_connection(node, dev)
55 def add_point2point_device(ec, node, ip, prefix):
56 dev = ec.register_resource("ns3::PointToPointNetDevice")
58 ec.set(dev, "prefix", prefix)
59 ec.register_connection(node, dev)
61 queue = ec.register_resource("ns3::DropTailQueue")
62 ec.register_connection(dev, queue)
66 class LinuxNS3FdNetDeviceTest(unittest.TestCase):
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"
72 # inriarennes2.irisa.fr
75 self.fedora_user = "inria_nepi"
76 self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
77 self.netblock = "192.168.3"
80 def t_cross_ping(self, host, user, identity):
82 ec = ExperimentController(exp_id = "test-pl-ns3-tap-fd")
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)
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)
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
106 nsnode1 = add_ns3_node(ec, simu)
107 dev1 = add_point2point_device(ec, nsnode1, ip1, "30")
109 nsnode2 = add_ns3_node(ec, simu)
110 dev2 = add_point2point_device(ec, nsnode2, ip2, "30")
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)
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)
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")
130 tap = add_tap_device(ec, node, ip4, "30", ip3)
132 crosslink = ec.register_resource("planetlab::ns3::TunTapFdLink")
133 ec.register_connection(crosslink, tap)
134 ec.register_connection(crosslink, fddev)
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)
142 app = ec.register_resource("linux::Application")
143 ec.set(app, "command", "ping -c3 %s" % ip1)
144 ec.register_connection(app, node)
146 ec.register_condition(app, ResourceAction.START, simu,
147 ResourceState.STARTED, time="5s")
151 ec.wait_finished([app])
153 stdout = ec.trace(app, "stdout")
154 expected = "3 packets transmitted, 3 received, 0% packet loss"
155 self.assertTrue(stdout.find(expected) > -1)
157 ## Releasing to force ns3 to flush the traces
159 pcap = ec.trace(fddev, "pcap")
161 self.assertTrue(len(pcap) > 1500)
164 def test_cross_ping_fedora(self):
165 self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
168 if __name__ == '__main__':