124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
/*
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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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// 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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// // - Tracing of queues and packet receptions to file "fragmentation-ipv6.tr"
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#include "ns3/applications-module.h"
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#include "ns3/core-module.h"
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#include "ns3/csma-module.h"
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#include "ns3/internet-module.h"
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#include "ns3/ipv6-routing-table-entry.h"
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#include "ns3/ipv6-static-routing-helper.h"
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#include <fstream>
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE("FragmentationIpv6Example");
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int
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main(int argc, char** argv)
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{
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bool verbose = false;
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CommandLine cmd(__FILE__);
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cmd.AddValue("verbose", "turn on log components", verbose);
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cmd.Parse(argc, argv);
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if (verbose)
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{
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LogComponentEnable("Ipv6L3Protocol", LOG_LEVEL_ALL);
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LogComponentEnable("Icmpv6L4Protocol", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv6StaticRouting", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv6Interface", LOG_LEVEL_ALL);
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LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_ALL);
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LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_ALL);
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}
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LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
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NS_LOG_INFO("Create nodes.");
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Ptr<Node> n0 = CreateObject<Node>();
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Ptr<Node> r = CreateObject<Node>();
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Ptr<Node> n1 = CreateObject<Node>();
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NodeContainer net1(n0, r);
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NodeContainer net2(r, n1);
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NodeContainer all(n0, r, n1);
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NS_LOG_INFO("Create IPv6 Internet Stack");
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InternetStackHelper internetv6;
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internetv6.Install(all);
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NS_LOG_INFO("Create channels.");
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CsmaHelper csma;
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csma.SetChannelAttribute("DataRate", DataRateValue(5000000));
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csma.SetChannelAttribute("Delay", TimeValue(MilliSeconds(2)));
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NetDeviceContainer d1 = csma.Install(net1);
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NetDeviceContainer d2 = csma.Install(net2);
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NS_LOG_INFO("Create networks and assign IPv6 Addresses.");
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Ipv6AddressHelper ipv6;
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ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
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Ipv6InterfaceContainer i1 = ipv6.Assign(d1);
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i1.SetForwarding(1, true);
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i1.SetDefaultRouteInAllNodes(1);
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ipv6.SetBase(Ipv6Address("2001:2::"), Ipv6Prefix(64));
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Ipv6InterfaceContainer i2 = ipv6.Assign(d2);
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i2.SetForwarding(0, true);
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i2.SetDefaultRouteInAllNodes(0);
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Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper>(&std::cout);
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Ipv6RoutingHelper::PrintRoutingTableAt(Seconds(0), n0, routingStream);
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/* Create a UdpEchoClient and UdpEchoServer application to send packets from n0 to n1 via r */
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uint32_t packetSize = 4096;
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uint32_t maxPacketCount = 5;
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UdpEchoClientHelper echoClient(i2.GetAddress(1, 1), 42);
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echoClient.SetAttribute("PacketSize", UintegerValue(packetSize));
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echoClient.SetAttribute("MaxPackets", UintegerValue(maxPacketCount));
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ApplicationContainer clientApps = echoClient.Install(net1.Get(0));
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clientApps.Start(Seconds(2.0));
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clientApps.Stop(Seconds(20.0));
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UdpEchoServerHelper echoServer(42);
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ApplicationContainer serverApps = echoServer.Install(net2.Get(1));
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serverApps.Start(Seconds(0.0));
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serverApps.Stop(Seconds(30.0));
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AsciiTraceHelper ascii;
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csma.EnableAsciiAll(ascii.CreateFileStream("fragmentation-ipv6.tr"));
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csma.EnablePcapAll(std::string("fragmentation-ipv6"), true);
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NS_LOG_INFO("Run Simulation.");
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Simulator::Run();
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Simulator::Destroy();
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NS_LOG_INFO("Done.");
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return 0;
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}
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