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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2008-2009 Strasbourg University
* Copyright (c) 2013 Universita' di Firenze
*
* 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>
* Modified by Tommaso Pecorella <tommaso.pecorella@unifi.it>
*/
// Network topology
// //
// // Src n0 r n1 Dst
// // | _ |
// // MTU ====|_|==== MTU
// // 5000 router 1500
// //
// // - Tracing of queues and packet receptions to file "fragmentation-ipv6-two-mtu.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-static-routing-helper.h"
#include "ns3/ipv6-routing-table-entry.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("FragmentationIpv6TwoMtuExample");
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 ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6Interface", 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 d2 = csma.Install (net2);
csma.SetDeviceAttribute ("Mtu", UintegerValue (5000));
NetDeviceContainer d1 = csma.Install (net1);
NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
Ipv6AddressHelper ipv6;
ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
Ipv6InterfaceContainer i1 = ipv6.Assign (d1);
i1.SetForwarding (1, true);
i1.SetDefaultRouteInAllNodes (1);
ipv6.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
Ipv6InterfaceContainer i2 = ipv6.Assign (d2);
i2.SetForwarding (0, true);
i2.SetDefaultRouteInAllNodes (0);
Ipv6StaticRoutingHelper routingHelper;
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
routingHelper.PrintRoutingTableAt (Seconds (0), n0, routingStream);
/* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
uint32_t packetSize = 4096;
uint32_t maxPacketCount = 5;
Time interPacketInterval = Seconds (1.0);
Ping6Helper ping6;
ping6.SetLocal (i1.GetAddress (0, 1));
ping6.SetRemote (i2.GetAddress (1, 1));
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 (20.0));
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("fragmentation-ipv6-two-mtu.tr"));
csma.EnablePcapAll (std::string ("fragmentation-ipv6-two-mtu"), true);
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
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