143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
/*
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* Copyright (c) 2009 Strasbourg University
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*
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* SPDX-License-Identifier: GPL-2.0-only
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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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// // - R sends RA to n0's subnet (2001:1::/64);
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// // - R sends RA to n1's subnet (2001:2::/64);
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// // - n0 ping n1.
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// //
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// // - Tracing of queues and packet receptions to file "radvd.tr"
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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-apps-module.h"
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#include "ns3/internet-module.h"
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#include "ns3/radvd-interface.h"
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#include "ns3/radvd-prefix.h"
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#include "ns3/radvd.h"
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#include <fstream>
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE("RadvdExample");
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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("Ipv6RawSocketImpl", 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("RadvdApplication", LOG_LEVEL_ALL);
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LogComponentEnable("Ping", LOG_LEVEL_ALL);
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}
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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); /* n0 - R */
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NetDeviceContainer d2 = csma.Install(net2); /* R - n1 */
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NS_LOG_INFO("Create networks and assign IPv6 Addresses.");
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Ipv6AddressHelper ipv6;
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/* first subnet */
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ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
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NetDeviceContainer tmp;
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tmp.Add(d1.Get(0)); /* n0 */
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Ipv6InterfaceContainer iic1 = ipv6.AssignWithoutAddress(tmp); /* n0 interface */
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NetDeviceContainer tmp2;
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tmp2.Add(d1.Get(1)); /* R */
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Ipv6InterfaceContainer iicr1 =
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ipv6.Assign(tmp2); /* R interface to the first subnet is just statically assigned */
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iicr1.SetForwarding(0, true);
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iic1.Add(iicr1);
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/* second subnet R - n1 */
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ipv6.SetBase(Ipv6Address("2001:2::"), Ipv6Prefix(64));
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NetDeviceContainer tmp3;
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tmp3.Add(d2.Get(0)); /* R */
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Ipv6InterfaceContainer iicr2 = ipv6.Assign(tmp3); /* R interface */
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iicr2.SetForwarding(0, true);
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NetDeviceContainer tmp4;
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tmp4.Add(d2.Get(1)); /* n1 */
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Ipv6InterfaceContainer iic2 = ipv6.AssignWithoutAddress(tmp4);
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iic2.Add(iicr2);
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/* radvd configuration */
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RadvdHelper radvdHelper;
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/* R interface (n0 - R) */
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/* n0 will receive unsolicited (periodic) RA */
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radvdHelper.AddAnnouncedPrefix(iic1.GetInterfaceIndex(1), Ipv6Address("2001:1::0"), 64);
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/* R interface (R - n1) */
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/* n1 will have to use RS, as RA are not sent automatically */
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radvdHelper.AddAnnouncedPrefix(iic2.GetInterfaceIndex(1), Ipv6Address("2001:2::0"), 64);
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radvdHelper.GetRadvdInterface(iic2.GetInterfaceIndex(1))->SetSendAdvert(false);
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ApplicationContainer radvdApps = radvdHelper.Install(r);
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radvdApps.Start(Seconds(1));
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radvdApps.Stop(Seconds(10));
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/* Create a Ping application to send ICMPv6 echo request from n0 to n1 via R */
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uint32_t packetSize = 1024;
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uint32_t maxPacketCount = 5;
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PingHelper ping(
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Ipv6Address("2001:2::200:ff:fe00:4")); /* should be n1 address after autoconfiguration */
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ping.SetAttribute("Count", UintegerValue(maxPacketCount));
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ping.SetAttribute("Size", UintegerValue(packetSize));
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ApplicationContainer apps = ping.Install(net1.Get(0));
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apps.Start(Seconds(2));
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apps.Stop(Seconds(7));
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AsciiTraceHelper ascii;
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csma.EnableAsciiAll(ascii.CreateFileStream("radvd.tr"));
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csma.EnablePcapAll(std::string("radvd"), 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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