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scenario1-training.cc
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scenario1-training.cc
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
* Copyright (c) 2015, NYU WIRELESS, Tandon School of Engineering, New York 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: Marco Miozzo <[email protected]>
* Nicola Baldo <[email protected]>
*
* Modified by: Marco Mezzavilla < [email protected]>
* Sourjya Dutta <[email protected]>
* Russell Ford <[email protected]>
* Menglei Zhang <[email protected]>
*/
#include "ns3/point-to-point-module.h"
#include "ns3/mmwave-helper.h"
#include "ns3/epc-helper.h"
#include "ns3/mmwave-point-to-point-epc-helper.h"
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/internet-module.h"
#include "ns3/mobility-module.h"
#include "ns3/applications-module.h"
#include "ns3/point-to-point-helper.h"
#include "ns3/config-store.h"
#include <ns3/buildings-helper.h>
#include <ns3/buildings-module.h>
#include <ns3/packet.h>
#include <ns3/tag.h>
#include <ns3/queue-size.h>
#include "ns3/packet-sink.h"
#include "ns3/packet-sink-helper.h"
#include "ns3/flow-monitor-module.h"
#include "ns3/traffic-control-module.h"
#include <iostream>
#include <fstream>
#include <iomanip>
/*#include <ns3/lte-helper.h>
#include <ns3/epc-helper.h>
#include <ns3/point-to-point-helper.h>
#include <ns3/lte-module.h>*/
//#include "ns3/gtk-config-store.h"
/**
* A script to simulate the DOWNLINK TCP data over mmWave links
* with the mmWave devices and the LTE EPC.
*/
NS_LOG_COMPONENT_DEFINE ("mmWaveTCPExample");
using namespace ns3;
using namespace mmwave;
using namespace std;
Ptr<PacketSink> sink; // packetsink application
uint64_t lastTotalRx = 0; /* The value of the last total received bytes */
Ptr<RateErrorModel> em;
NodeContainer ueNodes;
PointToPointHelper p2ph;
static double cur;
static double curPass;
AsciiTraceHelper asciiTraceHelper1;
Ptr<OutputStreamWrapper> stream5 = asciiTraceHelper1.CreateFileStream ("throughput.txt");
void
CalculateThroughput ()
{
Time now = Simulator::Now (); /* Return the simulator's virtual time. */
cur = (sink->GetTotalRx () - lastTotalRx) * (double) 8 / 1e5; /* Convert Application RX Packets to MBits. */
std::cout << now.GetSeconds () << "s: \t" << cur << " Mbit/s" << std::endl;
std::ostream *stream = stream5->GetStream ();
*stream << now.GetSeconds () << "s: \t" << cur << " Mbit/s" << std::endl;
curPass = cur * 1e6;
Tcpdeep t1;
t1.setThreshold(curPass);
lastTotalRx = sink->GetTotalRx ();
Simulator::Schedule (MilliSeconds (100), &CalculateThroughput);
}
ofstream MyFile("input.txt");
uint64_t columntiles=0;
uint64_t column=1;
uint64_t averagecounter=-1;
double avgtemp1=0;
double avgtemp2=0;
double avgtemp3=0;
double rtt=0;
double i=-0.1;
double averagertt = 0;
uint32_t output;
void
training ()
{
Time now = Simulator::Now ();
Tcpdeep t1;
double rtt = t1.returnrtt();
double tmp = t1.returntmp();
double targetedvscwnd = t1.returntargetedvscwnd();
double diff = t1.returndiff();
if ( (rtt < 0.025) || (rtt==0.025) ){
output=0;
}
if ( (0.025 < rtt) && (rtt < 0.066 ) ){
output=1;
}
if ( (0.066 < rtt) || (rtt == 0.066) ){
output=2;
}
if (columntiles==0){
MyFile << "\trtt\t" << "tmp\t" << "targetedvscwnd\t" << "diff\t" << "average\t" << "output\n";
columntiles=columntiles+1;
}
Time now1 = Simulator::Now ();
i=i+0.1;
MyFile << column << "\t";
column=column+1;
MyFile << rtt << "\t";
MyFile << tmp << "\t";
MyFile << targetedvscwnd << "\t";
MyFile << diff << "\t";
MyFile << averagertt << "\t";
MyFile << output << "\n";
if(now1.GetSeconds ()==69) {
MyFile.close();
}
Simulator::Schedule (MilliSeconds (10), &training);
}
class MyAppTag : public Tag
{
public:
MyAppTag ()
{
}
MyAppTag (Time sendTs) : m_sendTs (sendTs)
{
}
static TypeId GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::MyAppTag")
.SetParent<Tag> ()
.AddConstructor<MyAppTag> ();
return tid;
}
virtual TypeId GetInstanceTypeId (void) const
{
return GetTypeId ();
}
virtual void Serialize (TagBuffer i) const
{
i.WriteU64 (m_sendTs.GetNanoSeconds ());
}
virtual void Deserialize (TagBuffer i)
{
m_sendTs = NanoSeconds (i.ReadU64 ());
}
virtual uint32_t GetSerializedSize () const
{
return sizeof (m_sendTs);
}
virtual void Print (std::ostream &os) const
{
std::cout << m_sendTs;
}
Time m_sendTs;
};
class MyApp : public Application
{
public:
MyApp ();
virtual ~MyApp ();
void ChangeDataRate (DataRate rate);
void Setup (Ptr<Socket> socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate);
private:
virtual void StartApplication (void);
virtual void StopApplication (void);
void ScheduleTx (void);
void SendPacket (void);
Ptr<Socket> m_socket;
Address m_peer;
uint32_t m_packetSize;
uint32_t m_nPackets;
DataRate m_dataRate;
EventId m_sendEvent;
bool m_running;
uint32_t m_packetsSent;
};
MyApp::MyApp ()
: m_socket (0),
m_peer (),
m_packetSize (0),
m_nPackets (0),
m_dataRate (0),
m_sendEvent (),
m_running (false),
m_packetsSent (0)
{
}
MyApp::~MyApp ()
{
m_socket = 0;
}
void
MyApp::Setup (Ptr<Socket> socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate)
{
m_socket = socket;
m_peer = address;
m_packetSize = packetSize;
m_nPackets = nPackets;
m_dataRate = dataRate;
}
void
MyApp::ChangeDataRate (DataRate rate)
{
m_dataRate = rate;
}
void
MyApp::StartApplication (void)
{
m_running = true;
m_packetsSent = 0;
m_socket->Bind ();
m_socket->Connect (m_peer);
SendPacket ();
}
void
MyApp::StopApplication (void)
{
m_running = false;
if (m_sendEvent.IsRunning ())
{
Simulator::Cancel (m_sendEvent);
}
if (m_socket)
{
m_socket->Close ();
}
}
void
MyApp::SendPacket (void)
{
Ptr<Packet> packet = Create<Packet> (m_packetSize);
MyAppTag tag (Simulator::Now ());
m_socket->Send (packet);
if (++m_packetsSent < m_nPackets)
{
ScheduleTx ();
}
}
void
MyApp::ScheduleTx (void)
{
if (m_running)
{
Time tNext (Seconds (m_packetSize * 8 / static_cast<double> (m_dataRate.GetBitRate ())));
m_sendEvent = Simulator::Schedule (tNext, &MyApp::SendPacket, this);
}
}
static void
CwndChange (Ptr<OutputStreamWrapper> stream, uint32_t oldCwnd, uint32_t newCwnd)
{
*stream->GetStream () << Simulator::Now ().GetSeconds () << "\t" << (oldCwnd/1400) << "\t" << (newCwnd/1400) << std::endl;
}
static void
RxDrop (Ptr<PcapFileWrapper> file, Ptr<const Packet> p)
{
NS_LOG_UNCOND ("RxDrop at " << Simulator::Now ().GetSeconds ());
file->Write (Simulator::Now (), p);
}
static void
RxDrop1 (Ptr<PcapFileWrapper> file, Ptr<const Packet> p)
{
NS_LOG_UNCOND ("UE0 RxDrop at " << Simulator::Now ().GetSeconds ());
file->Write (Simulator::Now (), p);
}
static void
RxDrop2 (Ptr<PcapFileWrapper> file, Ptr<const Packet> p)
{
NS_LOG_UNCOND ("UE0 RxDrop at " << Simulator::Now ().GetSeconds ());
file->Write (Simulator::Now (), p);
}
void
DevicePacketsInQueueTrace (uint32_t oldValue, uint32_t newValue)
{
//std::cout << "DevicePacketsInQueue " <<Simulator::Now ().GetSeconds () << "\t" << oldValue << " to " << newValue << std::endl;
}
//TC:Trafic Control
void
TcPacketsInQueueTrace (uint32_t oldValue, uint32_t newValue)
{
//std::cout << "TcPacketsInQueue " << Simulator::Now ().GetSeconds () << "\t" << oldValue << " to " << newValue << std::endl;
}
void
SojournTimeTrace (Time sojournTime)
{
std::cout << "Sojourn time " << Simulator::Now ().GetSeconds () << "\t" << sojournTime.ToDouble (Time::MS) << "ms" << std::endl;
}
static void
RttChange (Ptr<OutputStreamWrapper> stream, Time oldRtt, Time newRtt)
{
*stream->GetStream () << Simulator::Now ().GetSeconds () << "\t" << oldRtt.GetSeconds () << "\t" << newRtt.GetSeconds () << std::endl;
}
static void Rx (Ptr<OutputStreamWrapper> stream, Ptr<const Packet> packet, const Address &from)
{
*stream->GetStream () << Simulator::Now ().GetSeconds () << "\t" << packet->GetSize () << std::endl;
}
static void Sstresh (Ptr<OutputStreamWrapper> stream, uint32_t oldSstresh, uint32_t newSstresh)
{
*stream->GetStream () << Simulator::Now ().GetSeconds () << "\t" << oldSstresh << "\t" << newSstresh << std::endl;
NS_LOG_UNCOND ("Slow Start Threshold " << Simulator::Now ().GetSeconds () << "\t" << oldSstresh << "\t" << newSstresh << std::endl);
}
void
ChangeSpeed (Ptr<Node> n, Vector speed)
{
n->GetObject<ConstantVelocityMobilityModel> ()->SetVelocity (speed);
}
void
getPosition (Ptr<Node> n)
{
Vector pos = n->GetObject<MobilityModel> ()->GetPosition();
std::cout <<"THE POSITION OF THE NODE IS: " << pos << std::endl;
Simulator::Schedule (MilliSeconds (100), &getPosition, ueNodes.Get (0));
}
void
congestionstate (Ptr<OutputStreamWrapper> stream, TcpSocketState::TcpCongState_t oldvalue, TcpSocketState::TcpCongState_t newvalue)
{
NS_LOG_UNCOND ( Simulator::Now ().GetSeconds () << "\t" << "The old state is:" <<oldvalue << "\n" << "The new state is: " << newvalue );
//*stream->GetStream () << Simulator::Now ().GetSeconds () << "\t" << oldvalue << "\t" << newvalue << std::endl;;
}
int
main (int argc, char *argv[])
{
// LogComponentEnable ("MmWaveUePhy", LOG_LEVEL_DEBUG);
// LogComponentEnable ("MmWaveEnbPhy", LOG_LEVEL_DEBUG);
// LogComponentEnable ("MmWaveFlexTtiMacScheduler", LOG_LEVEL_DEBUG);
// LogComponentEnable ("MmWaveFlexTtiMaxWeightMacScheduler", LOG_LEVEL_DEBUG);
/*
* scenario 1: 1 building;
* scenario 2: 3 building;
* scenario 3: 6 random located small building, simulate tree and human blockage.
* */
int scenario = 3;
double stopTime = 70;
double simStopTime = 70;
bool harqEnabled = true;
bool rlcAmEnabled = true;
bool tcp = true;
CommandLine cmd;
// cmd.AddValue("numEnb", "Number of eNBs", numEnb);
// cmd.AddValue("numUe", "Number of UEs per eNB", numUe);
cmd.AddValue ("simTime", "Total duration of the simulation [s])", simStopTime);
// cmd.AddValue("interPacketInterval", "Inter-packet interval [us])", interPacketInterval);
cmd.AddValue ("harq", "Enable Hybrid ARQ", harqEnabled);
cmd.AddValue ("rlcAm", "Enable RLC-AM", rlcAmEnabled);
cmd.Parse (argc, argv);
//RTO
Config::SetDefault ("ns3::TcpSocketBase::MinRto", TimeValue (Seconds (1)));
//Slow Start Threshold
//Config::SetDefault ("ns3::TcpSocket::InitialSlowStartThreshold", UintegerValue (65500));
Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1400));
// Config::SetDefault ("ns3::PointToPointNetDevice::Mtu", UintegerValue (3000));
// Config::SetDefault ("ns3::VirtualNetDevice::Mtu", UintegerValue (3000));
Config::SetDefault ("ns3::LteRlcUm::MaxTxBufferSize", UintegerValue (1024 * 1024));
Config::SetDefault ("ns3::LteRlcUmLowLat::MaxTxBufferSize", UintegerValue (1024 * 1024));
Config::SetDefault ("ns3::TcpSocket::SndBufSize", UintegerValue (131072 * 50));
Config::SetDefault ("ns3::TcpSocket::RcvBufSize", UintegerValue (131072 * 50));
Config::SetDefault ("ns3::MmWavePhyMacCommon::ResourceBlockNum", UintegerValue (1));
Config::SetDefault ("ns3::MmWavePhyMacCommon::ChunkPerRB", UintegerValue (72));
Config::SetDefault ("ns3::MmWaveHelper::RlcAmEnabled", BooleanValue (rlcAmEnabled));
Config::SetDefault ("ns3::MmWaveHelper::HarqEnabled", BooleanValue (harqEnabled));
Config::SetDefault ("ns3::MmWaveFlexTtiMacScheduler::HarqEnabled", BooleanValue (true));
Config::SetDefault ("ns3::MmWaveFlexTtiMaxWeightMacScheduler::HarqEnabled", BooleanValue (true));
Config::SetDefault ("ns3::MmWaveFlexTtiMacScheduler::HarqEnabled", BooleanValue (true));
Config::SetDefault ("ns3::MmWaveBeamforming::LongTermUpdatePeriod", TimeValue (MilliSeconds (100.0)));
Config::SetDefault ("ns3::LteRlcAm::PollRetransmitTimer", TimeValue (MilliSeconds (4.0)));
//Config::SetDefault ("ns3::LteRlcAm::ReorderingTimer", TimeValue (MilliSeconds (2.0)));
Config::SetDefault ("ns3::LteRlcAm::StatusProhibitTimer", TimeValue (MilliSeconds (1.0)));
Config::SetDefault ("ns3::LteRlcAm::ReportBufferStatusTimer", TimeValue (MilliSeconds (4.0)));
Config::SetDefault ("ns3::LteRlcAm::MaxTxBufferSize", UintegerValue (2.5 * 1024 * 1024));
Config::SetDefault ("ns3::TcpL4Protocol::SocketType", TypeIdValue (Tcpdeep::GetTypeId ()));
Ptr<MmWaveHelper> mmwaveHelper = CreateObject<MmWaveHelper> ();
mmwaveHelper->SetAttribute ("PathlossModel", StringValue ("ns3::BuildingsObstaclePropagationLossModel"));
mmwaveHelper->Initialize ();
mmwaveHelper->SetHarqEnabled (true);
Ptr<MmWavePointToPointEpcHelper> epcHelper = CreateObject<MmWavePointToPointEpcHelper> ();
mmwaveHelper->SetEpcHelper (epcHelper);
Ptr<Node> pgw = epcHelper->GetPgwNode ();
em = CreateObject<RateErrorModel> ();
em->SetAttribute ("ErrorRate", DoubleValue (0));
NodeContainer remoteHostContainer;
remoteHostContainer.Create (1);
Ptr<Node> remoteHost = remoteHostContainer.Get (0);
InternetStackHelper internet;
internet.Install (remoteHostContainer);
TrafficControlHelper tchPfifo;
tchPfifo.SetRootQueueDisc ("ns3::PfifoFastQueueDisc");
TrafficControlHelper tchCoDel;
tchCoDel.SetRootQueueDisc ("ns3::CoDelQueueDisc");
// Create the Internet
p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.010)));
NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
internetDevices.Get (0)->SetAttribute ("ReceiveErrorModel", PointerValue (em));
QueueDiscContainer qdiscs=tchPfifo.Install(internetDevices);
Ptr<QueueDisc> q = qdiscs.Get (1);
q->TraceConnectWithoutContext ("BytesInQueue", MakeCallback (&TcPacketsInQueueTrace));
Ipv4AddressHelper ipv4h;
ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices);
Ipv4Address remoteHostAddr;
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);
switch (scenario)
{
case 1:
{
// 1.1. A small obstacle.
Ptr < Building > building;
building = Create<Building> ();
building->SetBoundaries (Box (10,12,
2, 3,
0.0, 1.5));
// 1.2. A small obstacle.
Ptr < Building > building1;
building1 = Create<Building> ();
building1->SetBoundaries (Box (20.0,22.0,
6.0, 7,
0.0, 1.5));
// 1.3. A big obstacle.
Ptr < Building > building2;
building2 = Create<Building> ();
building2->SetBoundaries (Box (15.0,25.0,
12.0, 14,
0.0, 15.0));
break;
}
case 2:
{
// 2.1. A small obstacle.
Ptr < Building > building1;
building1 = Create<Building> ();
building1->SetBoundaries (Box (10,12,
2, 3,
0.0, 1.5));
// 2.2. A small obstacle.
Ptr < Building > building2;
building2 = Create<Building> ();
building2->SetBoundaries (Box (20.0,22.0,
6.0, 7,
0.0, 1.5));
// 2.3. A small obstacle.
Ptr < Building > building3;
building3 = Create<Building> ();
building3->SetBoundaries (Box (5.0,7.0,
8.0, 9,
0.0, 1.5));
// 2.4. A small obstacle.
Ptr < Building > building4;
building4 = Create<Building> ();
building4->SetBoundaries (Box (15.0,17.0,
9.0, 10.0,
0.0, 1.5));
// 2.5. An average obstacle.
Ptr < Building > building5;
building5 = Create<Building> ();
building5->SetBoundaries (Box (13.0,20.0,
6.0, 8.0,
0.0, 3.0));
// 2.6. An average obstacle.
Ptr < Building > building6;
building6 = Create<Building> ();
building6->SetBoundaries (Box (18.0,25.0,
14.0, 16.0,
0.0, 3.0));
}
case 3:
{
//3.1 The first tree.
Ptr < Building > building1;
building1 = Create<Building> ();
building1->SetBoundaries (Box (1.5,2,
67.0, 67.5,
0.0, 10));
//3.2 The second tree.
Ptr < Building > building2;
building2 = Create<Building> ();
building2->SetBoundaries (Box (3.5,4,
67.0, 67.5,
0.0, 10));
//3.3 The third tree.
Ptr < Building > building3;
building3 = Create<Building> ();
building3->SetBoundaries (Box (5.5,6,
67.0, 67.5,
0.0, 10));
//3.4 The fourth tree.
Ptr < Building > building4;
building4 = Create<Building> ();
building4->SetBoundaries (Box (7.5,8.0,
67.0, 67.5,
0.0, 10));
//3.5 The fifth tree.
Ptr < Building > building5;
building5 = Create<Building> ();
building5->SetBoundaries (Box (9.5,10.0,
67.0, 67.5,
0.0, 10));
//3.6 The first building.
Ptr < Building > building6;
building6 = Create<Building> ();
building6 ->SetBoundaries (Box (15.0,23.0,
67.0, 74.0 ,
0.0, 30));
//3.7 The second building.
Ptr < Building > building7;
building7 = Create<Building> ();
building7 ->SetBoundaries (Box (28.0,36.0,
67.0, 74.0 ,
0.0, 30));
//3.8 The thirs building.
Ptr < Building > building8;
building8 = Create<Building> ();
building8 ->SetBoundaries (Box (41.0,49.0,
67.0, 74.0 ,
0.0, 30));
break;
break;
}
default:
{
NS_FATAL_ERROR ("Invalid scenario");
}
}
NodeContainer enbNodes;
enbNodes.Create (1);
ueNodes.Create (1);
Ptr<ListPositionAllocator> enbPositionAlloc = CreateObject<ListPositionAllocator> ();
enbPositionAlloc->Add (Vector (0.0, 0.0, 15.0));
MobilityHelper enbmobility;
enbmobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
enbmobility.SetPositionAllocator (enbPositionAlloc);
enbmobility.Install (enbNodes);
BuildingsHelper::Install (enbNodes);
MobilityHelper uemobility;
uemobility.SetMobilityModel ("ns3::ConstantVelocityMobilityModel");
uemobility.Install (ueNodes);
ueNodes.Get (0)->GetObject<MobilityModel> ()->SetPosition (Vector (0, 68, 1.5));
ueNodes.Get (0)->GetObject<ConstantVelocityMobilityModel> ()->SetVelocity (Vector (0, 0, 0));
Simulator::Schedule (Seconds (1), &ChangeSpeed, ueNodes.Get (0), Vector (1.5, 0, 0));
Simulator::Schedule (Seconds (14), &ChangeSpeed, ueNodes.Get (0), Vector (0, 0, 0));
Simulator::Schedule (Seconds (22), &ChangeSpeed, ueNodes.Get (0), Vector (1.5, 0, 0));
Simulator::Schedule (Seconds (31), &ChangeSpeed, ueNodes.Get (0), Vector (0, 0, 0));
Simulator::Schedule (Seconds (39), &ChangeSpeed, ueNodes.Get (0), Vector (1.5, 0, 0));
Simulator::Schedule (Seconds (49), &ChangeSpeed, ueNodes.Get (0), Vector (0, 0, 0));
Simulator::Schedule (Seconds (57), &ChangeSpeed, ueNodes.Get (0), Vector (1.5, 0, 0));
Simulator::Schedule (Seconds (70), &ChangeSpeed, ueNodes.Get (0), Vector (0, 0, 0));
Simulator::Schedule (Seconds (0.2), &getPosition, ueNodes.Get (0));
BuildingsHelper::Install (ueNodes);
// Install LTE Devices to the nodes
NetDeviceContainer enbDevs = mmwaveHelper->InstallEnbDevice (enbNodes);
NetDeviceContainer ueDevs = mmwaveHelper->InstallUeDevice (ueNodes);
// Install the IP stack on the UEs
// Assign IP address to UEs, and install applications
internet.Install (ueNodes);
Ipv4InterfaceContainer ueIpIface;
ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueDevs));
mmwaveHelper->AttachToClosestEnb (ueDevs, enbDevs);
mmwaveHelper->EnableTraces ();
// Set the default gateway for the UE
Ptr<Node> ueNode = ueNodes.Get (0);
Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv4> ());
ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress (), 1);
ApplicationContainer sinkApps;
if (tcp)
{
// Install and start applications on UEs and remote host (dar Ferestande)
uint16_t sinkPort = 20000;
Address sinkAddress (InetSocketAddress (ueIpIface.GetAddress (0), sinkPort));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), sinkPort));
packetSinkHelper.SetAttribute ("Protocol", TypeIdValue (TcpSocketFactory::GetTypeId ()));
sinkApps = packetSinkHelper.Install (ueNodes.Get (0));
sink = StaticCast<PacketSink> (sinkApps.Get (0));
sinkApps.Start (Seconds (0.));
Simulator::Schedule (Seconds (0), &training);
Simulator::Schedule (Seconds (0), &CalculateThroughput);
sinkApps.Stop (Seconds (simStopTime));
Ptr<Socket> ns3TcpSocket = Socket::CreateSocket (remoteHostContainer.Get (0), TcpSocketFactory::GetTypeId ());
Ptr<MyApp> app = CreateObject<MyApp> ();
app->Setup (ns3TcpSocket, sinkAddress, 1400, 500000000, DataRate ("1000Mb/s"));
remoteHostContainer.Get (0)->AddApplication (app);
AsciiTraceHelper asciiTraceHelper;
Ptr<OutputStreamWrapper> stream1 = asciiTraceHelper.CreateFileStream ("cwnd.txt");
ns3TcpSocket->TraceConnectWithoutContext ("CongestionWindow", MakeBoundCallback (&CwndChange, stream1));
Ptr<OutputStreamWrapper> stream4 = asciiTraceHelper.CreateFileStream ("rtt.txt");
ns3TcpSocket->TraceConnectWithoutContext ("RTT", MakeBoundCallback (&RttChange, stream4));