#!/usr/bin/env python
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation;
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+
# Test based on ns-3 csma/examples/csma-ping.cc file
#
# Network topology
#
# node n0 sends IGMP traffic to node n3
+from __future__ import print_function
from nepi.resources.ns3.ns3wrapper import NS3Wrapper
-import os.path
+import StringIO
+import subprocess
+import sys
import time
-import tempfile
import unittest
class NS3WrapperTest(unittest.TestCase):
addresses = wrapper.invoke(ip, "Assign", devs)
### Create source
- config = wrapper.singleton("Config")
-
# Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
proto = wrapper.create("StringValue", "2")
- wrapper.invoke(config, "SetDefault", "ns3::Ipv4RawSocketImpl::Protocol", proto)
+ wrapper.invoke("singleton::Config", "SetDefault",
+ "ns3::Ipv4RawSocketImpl::Protocol", proto)
# InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
addr3 = wrapper.invoke(addresses, "GetAddress", 3)
# OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff = wrapper.create("OnOffHelper", "ns3::Ipv4RawSocketFactory", dst)
- # onoff.SetAttribute ("OnTime", RandomVariableValue (ConstantVariable (1.0)));
- cv1 = wrapper.create("ConstantVariable", 1.0)
- rand1 = wrapper.create("RandomVariableValue", cv1)
- wrapper.invoke(onoff, "SetAttribute", "OnTime", rand1)
-
- # onoff.SetAttribute ("OffTime", RandomVariableValue (ConstantVariable (0.0)));
- cv2 = wrapper.create("ConstantVariable", 0.0)
- rand2 = wrapper.create("RandomVariableValue", cv2)
- wrapper.invoke(onoff, "SetAttribute", "OffTime", rand2)
-
# onoff.SetAttribute ("DataRate", DataRateValue (DataRate (15000)));
dr2 = wrapper.create("DataRate", 15000)
drv2 = wrapper.create("DataRateValue", dr2)
s6 = wrapper.create ("Seconds", 5.0)
wrapper.invoke (apps, "Stop", s6)
+ ### configure tracing
+ #csma.EnablePcapAll ("csma-ping", false);
+ wrapper.invoke(csma, "EnablePcapAll", "/tmp/csma-ping-pcap", False)
+
+ #csma.EnableAsciiAll ("csma-ping", false);
+ wrapper.invoke(csma, "EnableAsciiAll", "/tmp/csma-ping-ascii")
+
def SinkRx(packet, address):
- print packet
+ print(packet)
def PingRtt(context, rtt):
- print context, rtt
-
- ### configure tracing
- #csma.EnablePcapAll ("csma-ping", false);
- wrapper.invoke(csma, "EnablePcapAll", "csma-ping", False)
-
- # No binging for callback
+ print(context, rtt)
+
+ # XXX: No biding for MakeCallback
#Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
# MakeCallback (&SinkRx));
#cb = wrapper.create("MakeCallback", SinkRx)
- #wrapper.invoke(config, "ConnectWithoutContext",
+ #wrapper.invoke("singleton::Config", "ConnectWithoutContext",
# "/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx", cb)
# Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::V4Ping/Rtt",
# MakeCallback (&PingRtt));
#cb2 = wrapper.create("MakeCallback", PingRtt)
- #wrapper.invoke(config, "ConnectWithoutContext",
+ #wrapper.invoke("singleton::Config", "ConnectWithoutContext",
# "/NodeList/*/ApplicationList/*/$ns3::V4Ping/Rtt",
# cb2)
# Packet::EnablePrinting ();
- packet = wrapper.singleton("Packet")
- wrapper.invoke(packet, "EnablePrinting")
+ wrapper.invoke("singleton::Packet", "EnablePrinting")
### run Simulation
# Simulator::Run ();
- simulator = wrapper.singleton("Simulator")
- wrapper.invoke(simulator, "Run")
+ wrapper.invoke("singleton::Simulator", "Run")
# Simulator::Destroy ();
- wrapper.invoke(simulator, "Destroy")
+ wrapper.invoke("singleton::Simulator", "Destroy")
+
+ p = subprocess.Popen("ls /tmp/csma-ping-* | wc -w", stdout = subprocess.PIPE,
+ stderr = subprocess.PIPE, shell = True)
+ (out, err) = p.communicate()
+
+ self.assertEquals(int(out), 8)
+
+ p = subprocess.Popen("rm /tmp/csma-ping-*", shell = True)
+ p.communicate()
+
+ def test_start(self):
+ # Instantiate ns-3
+ wrapper = NS3Wrapper()
+
+ ### create 2 nodes
+ c = wrapper.create("NodeContainer")
+
+ # c.Create (2);
+ wrapper.invoke(c, "Create", 2)
+
+ ### connect the nodes to a shared channel
+ # CsmaHelper csma;
+ csma = wrapper.create("CsmaHelper")
+
+ # csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
+ dr = wrapper.create("DataRate", 5000000)
+ drv = wrapper.create("DataRateValue", dr)
+ wrapper.invoke(csma, "SetChannelAttribute", "DataRate", drv)
+
+ # csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
+ ms = wrapper.create("MilliSeconds", 2)
+ delay = wrapper.create("TimeValue", ms)
+ wrapper.invoke(csma, "SetChannelAttribute", "Delay", delay)
+
+ # NetDeviceContainer devs = csma.Install (c);
+ devs = wrapper.invoke(csma, "Install", c)
+
+ ### add IP stack to all nodes
+ # InternetStackHelper ipStack;
+ ipStack = wrapper.create("InternetStackHelper")
+
+ # ipStack.Install (c);
+ wrapper.invoke(ipStack, "Install", c)
+
+ ### assign ip addresses
+ #Ipv4AddressHelper ip;
+ ip = wrapper.create("Ipv4AddressHelper")
+
+ # ip.SetBase ("192.168.1.0", "255.255.255.0");
+ ip4 = wrapper.create("Ipv4Address", "192.168.1.0")
+ mask4 = wrapper.create("Ipv4Mask", "255.255.255.0")
+ wrapper.invoke(ip, "SetBase", ip4, mask4)
+
+ # Ipv4InterfaceContainer addresses = ip.Assign (devs);
+ addresses = wrapper.invoke(ip, "Assign", devs)
+
+ ### create pinger
+ #V4PingHelper ping = V4PingHelper (addresses.GetAddress (1));
+ addr1 = wrapper.invoke(addresses, "GetAddress", 1)
+ ping = wrapper.create("V4PingHelper", addr1)
+ btrue = wrapper.create("BooleanValue", True)
+ wrapper.invoke(ping, "SetAttribute", "Verbose", btrue)
+
+ #apps = ping.Install (pingers);
+ n0 = wrapper.invoke(c, "Get", 0)
+ apps = wrapper.invoke(ping, "Install", n0)
+
+ #apps.Start (Seconds (0.0));
+ s = wrapper.create ("Seconds", 0.0)
+ wrapper.invoke (apps, "Start", s)
+
+ #apps.Stop (Seconds (5.0));
+ s = wrapper.create ("Seconds", 5.0)
+ wrapper.invoke (apps, "Stop", s)
+
+ ### run Simulation
+ # Simulator::Stop (6.0);
+ wrapper.stop(time = "6s")
+
+ # Simulator::Run ();
+ wrapper.start()
+
+ # wait until simulation is over
+ wrapper.shutdown()
+
+ # TODO: Add assertions !!
+
+ def test_runtime_attr_modify(self):
+ wrapper = NS3Wrapper()
+
+ # Define a real time simulation
+ stype = wrapper.create("StringValue", "ns3::RealtimeSimulatorImpl")
+ wrapper.invoke("singleton::GlobalValue", "Bind", "SimulatorImplementationType", stype)
+ btrue = wrapper.create("BooleanValue", True)
+ wrapper.invoke("singleton::GlobalValue", "Bind", "ChecksumEnabled", btrue)
+
+ ### create 2 nodes
+ ## NODE 1
+ n1 = wrapper.create("Node")
+
+ ## Install internet stack
+ ipv41 = wrapper.create("Ipv4L3Protocol")
+ wrapper.invoke(n1, "AggregateObject", ipv41)
+
+ arp1 = wrapper.create("ArpL3Protocol")
+ wrapper.invoke(n1, "AggregateObject", arp1)
+
+ icmp1 = wrapper.create("Icmpv4L4Protocol")
+ wrapper.invoke(n1, "AggregateObject", icmp1)
+
+ ## Add IPv4 routing
+ lr1 = wrapper.create("Ipv4ListRouting")
+ wrapper.invoke(ipv41, "SetRoutingProtocol", lr1)
+ sr1 = wrapper.create("Ipv4StaticRouting")
+ wrapper.invoke(lr1, "AddRoutingProtocol", sr1, 1)
+
+ ## NODE 2
+ n2 = wrapper.create("Node")
+
+ ## Install internet stack
+ ipv42 = wrapper.create("Ipv4L3Protocol")
+ wrapper.invoke(n2, "AggregateObject", ipv42)
+
+ arp2 = wrapper.create("ArpL3Protocol")
+ wrapper.invoke(n2, "AggregateObject", arp2)
+
+ icmp2 = wrapper.create("Icmpv4L4Protocol")
+ wrapper.invoke(n2, "AggregateObject", icmp2)
+
+ ## Add IPv4 routing
+ lr2 = wrapper.create("Ipv4ListRouting")
+ wrapper.invoke(ipv42, "SetRoutingProtocol", lr2)
+ sr2 = wrapper.create("Ipv4StaticRouting")
+ wrapper.invoke(lr2, "AddRoutingProtocol", sr2, 1)
+
+ ##### Create p2p device and enable ascii tracing
+
+ p2pHelper = wrapper.create("PointToPointHelper")
+ asciiHelper = wrapper.create("AsciiTraceHelper")
+
+ # Iface for node1
+ p1 = wrapper.create("PointToPointNetDevice")
+ wrapper.invoke(n1, "AddDevice", p1)
+ q1 = wrapper.create("DropTailQueue")
+ wrapper.invoke(p1, "SetQueue", q1)
+
+ # Add IPv4 address
+ ifindex1 = wrapper.invoke(ipv41, "AddInterface", p1)
+ mask1 = wrapper.create("Ipv4Mask", "/30")
+ addr1 = wrapper.create("Ipv4Address", "10.0.0.1")
+ inaddr1 = wrapper.create("Ipv4InterfaceAddress", addr1, mask1)
+ wrapper.invoke(ipv41, "AddAddress", ifindex1, inaddr1)
+ wrapper.invoke(ipv41, "SetMetric", ifindex1, 1)
+ wrapper.invoke(ipv41, "SetUp", ifindex1)
+
+ # Enable collection of Ascii format to a specific file
+ filepath1 = "/tmp/trace-p2p-1.tr"
+ stream1 = wrapper.invoke(asciiHelper, "CreateFileStream", filepath1)
+ wrapper.invoke(p2pHelper, "EnableAscii", stream1, p1)
+
+ # Iface for node2
+ p2 = wrapper.create("PointToPointNetDevice")
+ wrapper.invoke(n2, "AddDevice", p2)
+ q2 = wrapper.create("DropTailQueue")
+ wrapper.invoke(p2, "SetQueue", q2)
+
+ # Add IPv4 address
+ ifindex2 = wrapper.invoke(ipv42, "AddInterface", p2)
+ mask2 = wrapper.create("Ipv4Mask", "/30")
+ addr2 = wrapper.create("Ipv4Address", "10.0.0.2")
+ inaddr2 = wrapper.create("Ipv4InterfaceAddress", addr2, mask2)
+ wrapper.invoke(ipv42, "AddAddress", ifindex2, inaddr2)
+ wrapper.invoke(ipv42, "SetMetric", ifindex2, 1)
+ wrapper.invoke(ipv42, "SetUp", ifindex2)
+
+ # Enable collection of Ascii format to a specific file
+ filepath2 = "/tmp/trace-p2p-2.tr"
+ stream2 = wrapper.invoke(asciiHelper, "CreateFileStream", filepath2)
+ wrapper.invoke(p2pHelper, "EnableAscii", stream2, p2)
+
+ # Create channel
+ chan = wrapper.create("PointToPointChannel")
+ wrapper.set(chan, "Delay", "0s")
+ wrapper.invoke(p1, "Attach", chan)
+ wrapper.invoke(p2, "Attach", chan)
+
+ ### create pinger
+ ping = wrapper.create("V4Ping")
+ wrapper.invoke(n1, "AddApplication", ping)
+ wrapper.set (ping, "Remote", "10.0.0.2")
+ wrapper.set (ping, "Interval", "1s")
+ wrapper.set (ping, "Verbose", True)
+ wrapper.set (ping, "StartTime", "0s")
+ wrapper.set (ping, "StopTime", "20s")
+
+ ### run Simulation
+ wrapper.stop(time = "21s")
+ wrapper.start()
+
+ time.sleep(1)
+
+ wrapper.set(chan, "Delay", "5s")
+
+ time.sleep(5)
+
+ wrapper.set(chan, "Delay", "0s")
+
+ # wait until simulation is over
+ wrapper.shutdown()
+
+ p = subprocess.Popen("rm /tmp/trace-p2p-*", shell = True)
+ p.communicate()
+
+ # TODO: Add assertions !!
if __name__ == '__main__':
unittest.main()
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