lena-simple-epc.cc

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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2011-2018 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * 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
 *
 * Authors: Jaume Nin <jaume.nin@cttc.cat>
 *          Manuel Requena <manuel.requena@cttc.es>
 */
 
#include "ns3/core-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/internet-module.h"
#include "ns3/applications-module.h"
#include "ns3/mobility-module.h"
#include "ns3/config-store-module.h"
#include "ns3/lte-module.h"
//#include "ns3/gtk-config-store.h"
 
using namespace ns3;
 
NS_LOG_COMPONENT_DEFINE ("LenaSimpleEpc");
 
int
main (int argc, char *argv[])
{
  uint16_t numNodePairs = 2;
  Time simTime = MilliSeconds (1100);
  double distance = 60.0;
  Time interPacketInterval = MilliSeconds (100);
  bool useCa = false;
  bool disableDl = false;
  bool disableUl = false;
  bool disablePl = false;
 
  // Command line arguments
  CommandLine cmd (__FILE__);
  cmd.AddValue ("numNodePairs", "Number of eNodeBs + UE pairs", numNodePairs);
  cmd.AddValue ("simTime", "Total duration of the simulation", simTime);
  cmd.AddValue ("distance", "Distance between eNBs [m]", distance);
  cmd.AddValue ("interPacketInterval", "Inter packet interval", interPacketInterval);
  cmd.AddValue ("useCa", "Whether to use carrier aggregation.", useCa);
  cmd.AddValue ("disableDl", "Disable downlink data flows", disableDl);
  cmd.AddValue ("disableUl", "Disable uplink data flows", disableUl);
  cmd.AddValue ("disablePl", "Disable data flows between peer UEs", disablePl);
  cmd.Parse (argc, argv);
 
  ConfigStore inputConfig;
  inputConfig.ConfigureDefaults ();
 
  // parse again so you can override default values from the command line
  cmd.Parse(argc, argv);
 
  if (useCa)
   {
     Config::SetDefault ("ns3::LteHelper::UseCa", BooleanValue (useCa));
     Config::SetDefault ("ns3::LteHelper::NumberOfComponentCarriers", UintegerValue (2));
     Config::SetDefault ("ns3::LteHelper::EnbComponentCarrierManager", StringValue ("ns3::RrComponentCarrierManager"));
   }
 
  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
  Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> ();
  lteHelper->SetEpcHelper (epcHelper);
 
  Ptr<Node> pgw = epcHelper->GetPgwNode ();
 
   // Create a single RemoteHost
  NodeContainer remoteHostContainer;
  remoteHostContainer.Create (1);
  Ptr<Node> remoteHost = remoteHostContainer.Get (0);
  InternetStackHelper internet;
  internet.Install (remoteHostContainer);
 
  // Create the Internet
  PointToPointHelper p2ph;
  p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
  p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
  p2ph.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (10)));
  NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
  Ipv4AddressHelper ipv4h;
  ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
  Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices);
  // interface 0 is localhost, 1 is the p2p device
  Ipv4Address remoteHostAddr = internetIpIfaces.GetAddress (1);
 
  Ipv4StaticRoutingHelper ipv4RoutingHelper;
  Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ());
  remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.0.0.0"), 1);
 
  NodeContainer ueNodes;
  NodeContainer enbNodes;
  enbNodes.Create (numNodePairs);
  ueNodes.Create (numNodePairs);
 
  // Install Mobility Model
  Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
  for (uint16_t i = 0; i < numNodePairs; i++)
    {
      positionAlloc->Add (Vector (distance * i, 0, 0));
    }
  MobilityHelper mobility;
  mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
  mobility.SetPositionAllocator(positionAlloc);
  mobility.Install(enbNodes);
  mobility.Install(ueNodes);
 
  // Install LTE Devices to the nodes
  NetDeviceContainer enbLteDevs = lteHelper->InstallEnbDevice (enbNodes);
  NetDeviceContainer ueLteDevs = lteHelper->InstallUeDevice (ueNodes);
 
  // Install the IP stack on the UEs
  internet.Install (ueNodes);
  Ipv4InterfaceContainer ueIpIface;
  ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueLteDevs));
  // Assign IP address to UEs, and install applications
  for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
    {
      Ptr<Node> ueNode = ueNodes.Get (u);
      // Set the default gateway for the UE
      Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv4> ());
      ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress (), 1);
    }
 
  // Attach one UE per eNodeB
  for (uint16_t i = 0; i < numNodePairs; i++)
    {
      lteHelper->Attach (ueLteDevs.Get(i), enbLteDevs.Get(i));
      // side effect: the default EPS bearer will be activated
    }
 
 
  // Install and start applications on UEs and remote host
  uint16_t dlPort = 1100;
  uint16_t ulPort = 2000;
  uint16_t otherPort = 3000;
  ApplicationContainer clientApps;
  ApplicationContainer serverApps;
  for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
    {
      if (!disableDl)
        {
          PacketSinkHelper dlPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), dlPort));
          serverApps.Add (dlPacketSinkHelper.Install (ueNodes.Get (u)));
 
          UdpClientHelper dlClient (ueIpIface.GetAddress (u), dlPort);
          dlClient.SetAttribute ("Interval", TimeValue (interPacketInterval));
          dlClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
          clientApps.Add (dlClient.Install (remoteHost));
        }
 
      if (!disableUl)
        {
          ++ulPort;
          PacketSinkHelper ulPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), ulPort));
          serverApps.Add (ulPacketSinkHelper.Install (remoteHost));
 
          UdpClientHelper ulClient (remoteHostAddr, ulPort);
          ulClient.SetAttribute ("Interval", TimeValue (interPacketInterval));
          ulClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
          clientApps.Add (ulClient.Install (ueNodes.Get(u)));
        }
 
      if (!disablePl && numNodePairs > 1)
        {
          ++otherPort;
          PacketSinkHelper packetSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), otherPort));
          serverApps.Add (packetSinkHelper.Install (ueNodes.Get (u)));
 
          UdpClientHelper client (ueIpIface.GetAddress (u), otherPort);
          client.SetAttribute ("Interval", TimeValue (interPacketInterval));
          client.SetAttribute ("MaxPackets", UintegerValue (1000000));
          clientApps.Add (client.Install (ueNodes.Get ((u + 1) % numNodePairs)));
        }
    }
 
  serverApps.Start (MilliSeconds (500));
  clientApps.Start (MilliSeconds (500));
  lteHelper->EnableTraces ();
  // Uncomment to enable PCAP tracing
  //p2ph.EnablePcapAll("lena-simple-epc");
 
  Simulator::Stop (simTime);
  Simulator::Run ();
 
  /*GtkConfigStore config;
  config.ConfigureAttributes();*/
 
  Simulator::Destroy ();
  return 0;
}