111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
#
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# Copyright (c) 2008-2009 Strasbourg University
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation;
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Author: David Gross <gdavid.devel@gmail.com>
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# Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
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#
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#
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# Network topology:
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#
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# n0 r n1
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# | _ |
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# ====|_|====
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# router
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#
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import ns.applications
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import ns.core
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import ns.csma
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import ns.internet
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import ns.network
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def main(argv):
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cmd = ns.core.CommandLine();
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cmd.Parse(argv);
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# Create nodes
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print "Create nodes"
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n0 = ns.network.Node();
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r = ns.network.Node();
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n1 = ns.network.Node();
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net1 = ns.network.NodeContainer();
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net1.Add(n0);
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net1.Add(r);
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net2 = ns.network.NodeContainer();
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net2.Add(r);
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net2.Add(n1);
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all = ns.network.NodeContainer();
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all.Add(n0);
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all.Add(r);
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all.Add(n1);
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# Create IPv6 Internet Stack
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internetv6 = ns.internet.InternetStackHelper();
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internetv6.Install(all);
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# Create channels
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csma = ns.csma.CsmaHelper();
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csma.SetChannelAttribute("DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)));
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csma.SetChannelAttribute("Delay", ns.core.TimeValue(ns.core.MilliSeconds(2)));
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d1 = csma.Install(net1);
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d2 = csma.Install(net2);
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# Create networks and assign IPv6 Addresses
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print "Addressing"
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ipv6 = ns.internet.Ipv6AddressHelper();
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ipv6.NewNetwork(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64));
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i1 = ipv6.Assign(d1);
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i1.SetRouter(1, True);
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ipv6.NewNetwork(ns.network.Ipv6Address("2001:2::"), ns.network.Ipv6Prefix(64));
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i2 = ipv6.Assign(d2);
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i2.SetRouter(0, True);
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# Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r
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print "Application"
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packetSize = 1024;
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maxPacketCount = 5;
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interPacketInterval = ns.core.Seconds(1.);
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ping6 = ns.applications.Ping6Helper();
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ping6.SetLocal(i1.GetAddress(0, 1));
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ping6.SetRemote(i2.GetAddress(1, 1));
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ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount));
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ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval));
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ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize));
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apps = ping6.Install(ns.network.NodeContainer(net1.Get(0)));
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apps.Start(ns.core.Seconds(2.0));
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apps.Stop(ns.core.Seconds(20.0));
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print "Tracing"
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ascii = ns.network.AsciiTraceHelper()
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csma.EnableAsciiAll(ascii.CreateFileStream("simple-routing-ping6.tr"))
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csma.EnablePcapAll("simple-routing-ping6", True)
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# Run Simulation
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ns.core.Simulator.Run()
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ns.core.Simulator.Destroy()
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if __name__ == '__main__':
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import sys
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main(sys.argv)
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