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.register_connection(node, simu)
35 ipv4 = ec.register_resource("ns3::Ipv4L3Protocol")
36 ec.register_connection(node, ipv4)
38 arp = ec.register_resource("ns3::ArpL3Protocol")
39 ec.register_connection(node, arp)
41 icmp = ec.register_resource("ns3::Icmpv4L4Protocol")
42 ec.register_connection(node, icmp)
44 udp = ec.register_resource("ns3::UdpL4Protocol")
45 ec.register_connection(node, udp)
49 def add_fd_device(ec, node, ip, prefix):
50 dev = ec.register_resource("ns3::FdNetDevice")
52 ec.set(dev, "prefix", prefix)
53 ec.register_connection(node, dev)
57 def add_tap_device(ec, node, ip, prefix):
58 dev = ec.register_resource("linux::Tap")
60 ec.set(dev, "prefix", prefix)
61 ec.register_connection(node, dev)
65 def add_point2point_device(ec, node, ip, prefix):
66 dev = ec.register_resource("ns3::PointToPointNetDevice")
68 ec.set(dev, "prefix", prefix)
69 ec.register_connection(node, dev)
71 queue = ec.register_resource("ns3::DropTailQueue")
72 ec.register_connection(dev, queue)
76 class LinuxNS3FdNetDeviceTest(unittest.TestCase):
78 self.fedora_host = "nepi2.pl.sophia.inria.fr"
79 self.fedora_user = "inria_nepi"
80 self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
83 def t_cross_ping(self, host, user = None, identity = None):
84 ec = ExperimentController(exp_id = "test-linux-ns3-tap-fd")
86 node = ec.register_resource("linux::Node")
87 if host == "localhost":
88 ec.set(node, "hostname", "localhost")
90 ec.set(node, "hostname", host)
91 ec.set(node, "username", user)
92 ec.set(node, "identity", identity)
94 ec.set(node, "cleanProcesses", True)
95 ec.set(node, "cleanExperiment", True)
97 simu = ec.register_resource("linux::ns3::Simulation")
98 ec.set(simu, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
99 ec.set(simu, "checksumEnabled", True)
100 ec.set(simu, "verbose", True)
101 #ec.set(simu, "buildMode", "debug")
102 #ec.set(simu, "nsLog", "FdNetDevice")
103 ec.register_connection(simu, node)
105 nsnode1 = add_ns3_node(ec, simu)
106 dev1 = add_point2point_device(ec, nsnode1, "10.0.0.1", "30")
108 nsnode2 = add_ns3_node(ec, simu)
109 dev2 = add_point2point_device(ec, nsnode2, "10.0.0.2", "30")
111 # Add routes on the NS3 side
112 r1 = ec.register_resource("ns3::Route")
113 ec.set(r1, "network", "10.0.1.0")
114 ec.set(r1, "prefix", "30")
115 ec.set(r1, "nexthop", "10.0.0.1")
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, "10.0.1.2", "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, "10.0.1.1", "30")
131 crosslink = ec.register_resource("linux::ns3::TapFdLink")
132 ec.register_connection(crosslink, tap)
133 ec.register_connection(crosslink, fddev)
135 # Add routes on the localhost side
136 r2 = ec.register_resource("linux::Route")
137 ec.set(r2, "network", "10.0.0.0")
138 ec.set(r2, "prefix", "30")
139 ec.set(r2, "nexthop", "10.0.1.2")
140 ec.register_connection(r2, tap)
142 app = ec.register_resource("linux::Application")
143 ec.set(app, "command", "ping -c3 10.0.0.1")
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) > 4000)
164 def ztest_cross_ping_fedora(self):
165 self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
167 def test_cross_ping_local(self):
168 self.t_cross_ping("localhost")
171 if __name__ == '__main__':