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 version 2 as
8 # published by the Free Software Foundation;
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
20 from nepi.execution.ec import ExperimentController
21 from nepi.execution.resource import ResourceState, ResourceAction
22 from nepi.execution.trace import TraceAttr
24 from test_utils import skipIfNotAlive
30 def add_ns3_node(ec, simu):
31 node = ec.register_resource("ns3::Node")
32 ec.set(node, "enableStack", True)
33 ec.register_connection(node, simu)
37 def add_fd_device(ec, node, ip, prefix):
38 dev = ec.register_resource("ns3::FdNetDevice")
40 ec.set(dev, "prefix", prefix)
41 ec.register_connection(node, dev)
45 def add_tap_device(ec, node, ip, prefix, pointopoint):
46 dev = ec.register_resource("planetlab::Tap")
48 ec.set(dev, "prefix", prefix)
49 ec.set(dev, "pointopoint", pointopoint)
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.s3.kth.se"
69 self.fedora_host = "planet2.servers.ua.pt"
71 # inriarennes2.irisa.fr
74 self.fedora_user = "inria_nepi"
75 self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
76 self.netblock = "192.168.3"
79 def t_cross_ping(self, host, user, identity):
81 ec = ExperimentController(exp_id = "test-pl-ns3-tap-fd")
83 node = ec.register_resource("planetlab::Node")
84 ec.set(node, "hostname", host)
85 ec.set(node, "username", user)
86 ec.set(node, "identity", identity)
87 ec.set(node, "cleanProcesses", True)
88 ec.set(node, "cleanExperiment", True)
90 simu = ec.register_resource("linux::ns3::Simulation")
91 ec.set(simu, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
92 ec.set(simu, "checksumEnabled", True)
93 ec.set(simu, "verbose", True)
94 #ec.set(simu, "buildMode", "debug")
95 #ec.set(simu, "nsLog", "FdNetDevice")
96 ec.register_connection(simu, node)
98 net1 = "%s.0" % self.netblock
99 net2 = "%s.4" % self.netblock
100 ip1 = "%s.1" % self.netblock
101 ip2 = "%s.2" % self.netblock
102 ip3 = "%s.5" % self.netblock
103 ip4 = "%s.6" % self.netblock
105 nsnode1 = add_ns3_node(ec, simu)
106 dev1 = add_point2point_device(ec, nsnode1, ip1, "30")
108 nsnode2 = add_ns3_node(ec, simu)
109 dev2 = add_point2point_device(ec, nsnode2, ip2, "30")
111 # Add routes on the NS3 side
112 r1 = ec.register_resource("ns3::Route")
113 ec.set(r1, "network", net2)
114 ec.set(r1, "prefix", "30")
115 ec.set(r1, "nexthop", ip1)
116 ec.register_connection(r1, nsnode2)
119 chan = ec.register_resource("ns3::PointToPointChannel")
120 ec.set(chan, "Delay", "0s")
121 ec.register_connection(chan, dev1)
122 ec.register_connection(chan, dev2)
124 fddev = add_fd_device(ec, nsnode1, ip3, "30")
125 ec.enable_trace(fddev, "pcap")
126 ec.enable_trace(fddev, "promiscPcap")
127 ec.enable_trace(fddev, "ascii")
129 tap = add_tap_device(ec, node, ip4, "30", ip3)
131 crosslink = ec.register_resource("planetlab::ns3::TunTapFdLink")
132 ec.register_connection(crosslink, tap)
133 ec.register_connection(crosslink, fddev)
135 r2 = ec.register_resource("planetlab::Vroute")
136 ec.set(r2, "network", net1)
137 ec.set(r2, "prefix", "30")
138 ec.set(r2, "nexthop", ip3)
139 ec.register_connection(r2, tap)
141 app = ec.register_resource("linux::Application")
142 ec.set(app, "command", "ping -c3 %s" % ip1)
143 ec.register_connection(app, node)
145 ec.register_condition(app, ResourceAction.START, simu,
146 ResourceState.STARTED, time="5s")
150 ec.wait_finished([app])
152 stdout = ec.trace(app, "stdout")
153 expected = "3 packets transmitted, 3 received, 0% packet loss"
154 self.assertTrue(stdout.find(expected) > -1)
156 ## Releasing to force ns3 to flush the traces
158 pcap = ec.trace(fddev, "pcap")
160 self.assertTrue(len(pcap) > 1500)
163 def test_cross_ping_fedora(self):
164 self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
167 if __name__ == '__main__':