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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2009 Strasbourg University
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: David Gross <gdavid.devel@gmail.com>
* Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
*/
// Network topology
// //
// // n0 R n1
// // | _ |
// // ====|_|====
// // router
// // - R sends RA to n0's subnet (2001:1::/64 and 2001:ABCD::/64);
// // - R interface to n0 has two addresses with following prefixes 2001:1::/64 and 2001:ABCD::/64;
// // - R sends RA to n1's subnet (2001:2::/64);
// // - n0 ping6 n1.
// //
// // - Tracing of queues and packet receptions to file "radvd-two-prefix.tr"
#include <fstream>
#include "ns3/core-module.h"
#include "ns3/internet-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-apps-module.h"
#include "ns3/ipv6-routing-table-entry.h"
#include "ns3/radvd.h"
#include "ns3/radvd-interface.h"
#include "ns3/radvd-prefix.h"
#include "ns3/ipv6-static-routing-helper.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("RadvdTwoPrefixExample");
/**
* \class IpAddressHelper
* \brief Helper to print a node's IP addresses.
*/
class IpAddressHelper
{
public:
/**
* \brief Print the node's IP addresses.
* \param n the node
*/
inline void PrintIpAddresses (Ptr<Node>& n)
{
Ptr<Ipv6> ipv6 = n->GetObject<Ipv6> ();
uint32_t nInterfaces = ipv6->GetNInterfaces();
std::cout << "Node: " << ipv6->GetObject<Node> ()->GetId ()
<< " Time: " << Simulator::Now ().GetSeconds () << "s "
<< "IPv6 addresses" << std::endl;
std::cout << "(Interface index, Address index)\t" << "IPv6 Address" << std::endl;
for (uint32_t i = 0; i < nInterfaces; i++)
{
for (uint32_t j = 0; j < ipv6->GetNAddresses(i); j++)
{
std::cout << "(" << int(i) << "," << int(j) << ")\t" << ipv6->GetAddress(i,j) << std::endl;
}
}
std::cout << std::endl;
}
};
int main (int argc, char** argv)
{
bool verbose = false;
CommandLine cmd;
cmd.AddValue ("verbose", "turn on log components", verbose);
cmd.Parse (argc, argv);
if (verbose)
{
LogComponentEnable ("Ipv6L3Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6RawSocketImpl", LOG_LEVEL_ALL);
LogComponentEnable ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6Interface", LOG_LEVEL_ALL);
LogComponentEnable ("RadvdApplication", LOG_LEVEL_ALL);
LogComponentEnable ("Ping6Application", LOG_LEVEL_ALL);
}
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> r = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
NodeContainer net1 (n0, r);
NodeContainer net2 (r, n1);
NodeContainer all (n0, r, n1);
NS_LOG_INFO ("Create IPv6 Internet Stack");
InternetStackHelper internetv6;
internetv6.Install (all);
NS_LOG_INFO ("Create channels.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer d1 = csma.Install (net1); /* n0 - R */
NetDeviceContainer d2 = csma.Install (net2); /* R - n1 */
NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
Ipv6AddressHelper ipv6;
/* first subnet */
ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
NetDeviceContainer tmp;
tmp.Add (d1.Get (0)); /* n0 */
Ipv6InterfaceContainer iic1 = ipv6.AssignWithoutAddress (tmp); /* n0 interface */
NetDeviceContainer tmp2;
tmp2.Add (d1.Get (1)); /* R */
Ipv6InterfaceContainer iicr1 = ipv6.Assign (tmp2); /* R interface to the first subnet is just statically assigned */
iicr1.SetForwarding (0, true);
iic1.Add (iicr1);
/* add another IPv6 address for second prefix advertised on first subnet */
ipv6.SetBase (Ipv6Address ("2001:ABCD::2"), Ipv6Prefix (64));
ipv6.Assign (tmp2);
/* second subnet R - n1 */
ipv6.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
NetDeviceContainer tmp3;
tmp3.Add (d2.Get (0)); /* R */
Ipv6InterfaceContainer iicr2 = ipv6.Assign (tmp3); /* R interface */
iicr2.SetForwarding (0, true);
NetDeviceContainer tmp4;
tmp4.Add (d2.Get (1)); /* n1 */
Ipv6InterfaceContainer iic2 = ipv6.AssignWithoutAddress (tmp4);
iic2.Add (iicr2);
/* radvd configuration */
RadvdHelper radvdHelper;
/* R interface (n0 - R) */
radvdHelper.AddAnnouncedPrefix(iic1.GetInterfaceIndex (1), Ipv6Address("2001:ABCD::0"), 64);
radvdHelper.AddAnnouncedPrefix(iic1.GetInterfaceIndex (1), Ipv6Address("2001:1::0"), 64);
// Set some non-standard timers so the simulation is not taking ages
Ptr<RadvdInterface> routerInterface = radvdHelper.GetRadvdInterface(iic1.GetInterfaceIndex (1));
routerInterface->SetMaxRtrAdvInterval (2000);
routerInterface->SetMinRtrAdvInterval (1000);
RadvdInterface::RadvdPrefixList prefixList = routerInterface->GetPrefixes ();
for (RadvdInterface::RadvdPrefixListI iter = prefixList.begin(); iter != prefixList.end(); iter++)
{
(*iter)->SetPreferredLifeTime (3);
(*iter)->SetValidLifeTime (5);
}
/* R interface (R - n1) */
radvdHelper.AddAnnouncedPrefix(iic2.GetInterfaceIndex (1), Ipv6Address("2001:2::0"), 64);
// Set some non-standard timers so the simulation is not taking ages
routerInterface = radvdHelper.GetRadvdInterface(iic2.GetInterfaceIndex (1));
routerInterface->SetMaxRtrAdvInterval (2000);
routerInterface->SetMinRtrAdvInterval (1000);
prefixList = routerInterface->GetPrefixes ();
for (RadvdInterface::RadvdPrefixListI iter = prefixList.begin(); iter != prefixList.end(); iter++)
{
(*iter)->SetPreferredLifeTime (3);
(*iter)->SetValidLifeTime (5);
}
ApplicationContainer radvdApps = radvdHelper.Install(r);
radvdApps.Start (Seconds (1.0));
radvdApps.Stop (Seconds (2.0));
/* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via R */
uint32_t packetSize = 1024;
uint32_t maxPacketCount = 8;
Time interPacketInterval = Seconds (1.);
Ping6Helper ping6;
/* ping6.SetLocal (iic1.GetAddress (0, 1)); */
ping6.SetRemote (Ipv6Address ("2001:2::200:ff:fe00:4")); /* should be n1 address after autoconfiguration */
ping6.SetIfIndex (iic1.GetInterfaceIndex (0));
ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
ApplicationContainer apps = ping6.Install (net1.Get (0));
apps.Start (Seconds (2.0));
apps.Stop (Seconds (9.0));
Ipv6StaticRoutingHelper routingHelper;
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
routingHelper.PrintRoutingTableAt (Seconds (2.0), n0, routingStream);
routingHelper.PrintRoutingTableAt (Seconds (10.0), n0, routingStream);
IpAddressHelper ipAddressHelper;
/* RA should be received, two prefixes + routes + default route should be present */
Simulator::Schedule (Seconds (2.0), &IpAddressHelper::PrintIpAddresses, &ipAddressHelper, n0);
/* at the end, RA addresses and routes should be cleared */
Simulator::Schedule (Seconds (10.0), &IpAddressHelper::PrintIpAddresses, &ipAddressHelper, n0);
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("radvd-two-prefix.tr"));
csma.EnablePcapAll (std::string ("radvd-two-prefix"), true);
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
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