+ def test_real_time(self):
+ ec = ExperimentController(exp_id = "test-ns3-real-time")
+
+ node = ec.register_resource("LinuxNode")
+ ec.set(node, "hostname", self.fedora_host)
+ ec.set(node, "username", self.fedora_user)
+ ec.set(node, "cleanProcesses", True)
+ #ec.set(node, "cleanHome", True)
+
+ simu = ec.register_resource("LinuxNS3Simulation")
+ ec.set(simu, "verbose", True)
+ ec.set(simu, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
+ ec.set(simu, "checksumEnabled", True)
+ ec.register_connection(simu, node)
+
+ nsnode1 = ec.register_resource("ns3::Node")
+ ec.register_connection(nsnode1, simu)
+
+ ipv41 = ec.register_resource("ns3::Ipv4L3Protocol")
+ ec.register_connection(nsnode1, ipv41)
+
+ arp1 = ec.register_resource("ns3::ArpL3Protocol")
+ ec.register_connection(nsnode1, arp1)
+
+ icmp1 = ec.register_resource("ns3::Icmpv4L4Protocol")
+ ec.register_connection(nsnode1, icmp1)
+
+ p1 = ec.register_resource("ns3::PointToPointNetDevice")
+ ec.set(p1, "ip", "10.0.0.1")
+ ec.set(p1, "prefix", "30")
+ ec.register_connection(nsnode1, p1)
+ q1 = ec.register_resource("ns3::DropTailQueue")
+ ec.register_connection(p1, q1)
+
+ nsnode2 = ec.register_resource("ns3::Node")
+ ec.register_connection(nsnode2, simu)
+
+ ipv42 = ec.register_resource("ns3::Ipv4L3Protocol")
+ ec.register_connection(nsnode2, ipv42)
+
+ arp2 = ec.register_resource("ns3::ArpL3Protocol")
+ ec.register_connection(nsnode2, arp2)
+
+ icmp2 = ec.register_resource("ns3::Icmpv4L4Protocol")
+ ec.register_connection(nsnode2, icmp2)
+
+ p2 = ec.register_resource("ns3::PointToPointNetDevice")
+ ec.set(p2, "ip", "10.0.0.2")
+ ec.set(p2, "prefix", "30")
+ ec.register_connection(nsnode2, p2)
+ q2 = ec.register_resource("ns3::DropTailQueue")
+ ec.register_connection(p2, q2)
+
+ # Create channel
+ chan = ec.register_resource("ns3::PointToPointChannel")
+ ec.set(chan, "Delay", "0s")
+ ec.register_connection(chan, p1)
+ ec.register_connection(chan, p2)
+
+ ### create pinger
+ ping = ec.register_resource("ns3::V4Ping")
+ ec.set (ping, "Remote", "10.0.0.2")
+ ec.set (ping, "Interval", "1s")
+ ec.set (ping, "Verbose", True)
+ ec.set (ping, "StartTime", "0s")
+ ec.set (ping, "StopTime", "20s")
+ ec.register_connection(ping, nsnode1)
+
+ ec.deploy()
+
+ ec.wait_finished([ping])
+
+ stdout = ec.trace(simu, "stdout")
+
+ expected = "20 packets transmitted, 20 received, 0% packet loss"
+ self.assertTrue(stdout.find(expected) > -1)
+
+ rm = ec.get_resource(ping)
+ start_time = rm.start_time
+ stop_time = rm.stop_time
+ delta = stop_time - start_time
+
+ self.assertTrue(delta.seconds >= 20)
+ self.assertTrue(delta.seconds < 25)
+
+ ec.shutdown()
+