/* -*-  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);

// // - R sends RA to n1's subnet (2001:2::/64);

// // - n0 ping6 n1.

// //

// // - Tracing of queues and packet receptions to file "radvd.tr"

#include <fstream>

#include "ns3/core-module.h"

#include "ns3/simulator-module.h"

#include "ns3/helper-module.h"

#include "ns3/radvd.h"

#include "ns3/radvd-interface.h"

#include "ns3/radvd-prefix.h"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("RadvdExample");

int main (int argc, char** argv)

{

#if 0 

  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);

#endif

  cmd.Parse (argc, argv);

  InternetStackHelper internetv6;

  internetv6.Install (all);

  NS_LOG_INFO ("Create channels.");

  csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));

  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));

  /* first subnet */

  ipv6.NewNetwork (Ipv6Address ("2001:1::"), 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.SetRouter (0, true);

  iic1.Add (iicr1);

  /* second subnet R - n1 */

  ipv6.NewNetwork (Ipv6Address ("2001:2::"), 64);

  NetDeviceContainer tmp3;

  tmp3.Add (d2.Get (0)); /* R */

  Ipv6InterfaceContainer iicr2 = ipv6.Assign (tmp3); /* R interface */

  iicr2.SetRouter (0, true);

  NetDeviceContainer tmp4;

  tmp4.Add (d2.Get (1)); /* n1 */

  Ipv6InterfaceContainer iic2 = ipv6.AssignWithoutAddress (tmp4); 

  iic2.Add (iicr2);

  /* radvd configuration */

  Ipv6Address prefix ("2001:1::0"); /* create the prefix */

  Ipv6Address prefix2 ("2001:2::0"); /* create the prefix */

  uint32_t indexRouter = iic1.GetInterfaceIndex (1); /* R interface (n0 - R) */

  uint32_t indexRouter2 = iic2.GetInterfaceIndex (1); /* R interface (R - n1) */

  Ptr<Radvd> radvd = CreateObject<Radvd> ();

  Ptr<RadvdInterface> routerInterface = Create<RadvdInterface> (indexRouter, 5000, 1000);

  Ptr<RadvdPrefix> routerPrefix = Create<RadvdPrefix> (prefix, 64, 3, 5);

  Ptr<RadvdInterface> routerInterface2 = Create<RadvdInterface> (indexRouter2, 5000, 1000);

  Ptr<RadvdPrefix> routerPrefix2 = Create<RadvdPrefix> (prefix2, 64, 3, 5);

  routerInterface->AddPrefix (routerPrefix);

  routerInterface2->AddPrefix (routerPrefix2);

  radvd->AddConfiguration (routerInterface);

  radvd->AddConfiguration (routerInterface2);

  r->AddApplication (radvd);

  radvd->SetStartTime (Seconds (1.0));

  radvd->SetStopTime (Seconds (10.0));

  /* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via R */

  uint32_t packetSize = 1024;

  uint32_t maxPacketCount = 5;

  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 (7.0));

  ascii.open ("radvd.tr");

  CsmaHelper::EnablePcapAll (std::string ("radvd"), true);

  CsmaHelper::EnableAsciiAll (ascii);

  NS_LOG_INFO ("Run Simulation.");

  Simulator::Run ();

  Simulator::Destroy ();

  NS_LOG_INFO ("Done.");

}