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wifi_1ch.cc
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
*
* Author: Matteo Nerini
* Email: m.nerini20@imperial.ac.uk
* Date: June 2020
*
*
* Network Topology:
*
* (xA,yA) (xB,yB) (xC,yC)
* * * *
* | x nStaA | x nStaB | x nStaC
* STA A STA B STA C
*
* (0,0)
* *
* | <- 1 AP
* AP
*
*
* Building Topology:
*
* ^ -----------------------------
* 1 | | |
* 0 | | | StaA: Random Walk
* | | o | StaB: Constant Position
* m | | AP | StaC: Random Walk
* | | |
* v -----------------------------
* <--------------------------->
* 20 m
*
*/
#include "ns3/command-line.h"
#include "ns3/config.h"
#include "ns3/uinteger.h"
#include "ns3/boolean.h"
#include "ns3/double.h"
#include "ns3/string.h"
#include "ns3/pointer.h"
#include "ns3/log.h"
#include "ns3/yans-wifi-helper.h"
#include "ns3/spectrum-wifi-helper.h"
#include "ns3/ssid.h"
#include "ns3/mobility-helper.h"
#include "ns3/internet-stack-helper.h"
#include "ns3/ipv4-address-helper.h"
#include "ns3/udp-client-server-helper.h"
#include "ns3/packet-sink-helper.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/on-off-helper.h"
#include "ns3/packet-sink.h"
#include "ns3/yans-wifi-channel.h"
#include "ns3/multi-model-spectrum-channel.h"
#include "ns3/wifi-net-device.h"
#include "ns3/qos-txop.h"
#include "ns3/wifi-mac.h"
#include "ns3/rng-seed-manager.h"
#include "ns3/flow-monitor.h"
#include "ns3/flow-monitor-helper.h"
#include "ns3/netanim-module.h"
#include "ns3/buildings-module.h"
#include "ns3/ipv4-flow-classifier.h"
#define ENDC "\033[0m"
#define ERROR "\033[91m"
#define OKGREEN "\033[92m"
#define WARNING "\033[93m"
#define OKBLUE "\033[94m"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("wifi_1ch");
// function to create a new C/S application
void new_application (uint16_t& index, uint32_t payloadSize, double simulationTime,
NodeContainer staNodes, NodeContainer apNode, std::string dataRate_str,
Ipv4InterfaceContainer& apInterface, ApplicationContainer& clientApp, ApplicationContainer& serverApp)
{
uint16_t port = 5000 + index;
UdpServerHelper server (port);
server.SetAttribute("Port", UintegerValue (port));
serverApp = server.Install (apNode.Get (0));
serverApp.Start (Seconds (0.0));
serverApp.Stop (Seconds (simulationTime + 2));
OnOffHelper client ("ns3::UdpSocketFactory", InetSocketAddress (apInterface.GetAddress (0), port));
client.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
client.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
client.SetAttribute ("DataRate", StringValue (dataRate_str));
client.SetAttribute ("PacketSize", UintegerValue (payloadSize));
clientApp = client.Install (staNodes.Get (index-1));
clientApp.Start (Seconds (1.0));
clientApp.Stop (Seconds (simulationTime + 1));
index ++;
}
// main function
int main (int argc, char *argv[])
{
uint32_t payloadSize = 1472; // bytes (UDP)
double simulationTime = 15; // seconds
int seed = 1; // seed used in the simulation
std::string csvFileName = "test.csv"; // csv file name
std::string band = "AX_5"; // AC_5, AX_2.4 or AX_5
std::string phyModel = "spectrum"; // "spectrum" or "yans"
bool constantMcs = 1; // 0 Minstrel or 1 constant
bool enablePcap = 0; // 0 no Pcap or 1 Pcap
double x_max = 20.0; // meters
double y_max = 10.0; // meters
double z_max = 3.0; // meters
int nStaA = 3; // number of stations A
int nStaB = 100; // number of stations B
int nStaC = 5; // number of stations C
// Network
int channelNumber = 50; // channel number
int channelWidth = 160; // 20, 40, 80 or 160 MHz
int mcs = 6; // from 0 to 11 (-1 = unset value)
int gi = 800; // 800, 1600 or 3200 ns
int txPower = 18; // dBm
std::string dataRateA_old = "1Kb/s";
std::string dataRateB_old = "5Kb/s";
std::string dataRateC_old = "2Kb/s";
CommandLine cmd;
cmd.AddValue ("payloadSize", "Payload size in bytes", payloadSize);
cmd.AddValue ("simulationTime", "Simulation time in seconds", simulationTime);
cmd.AddValue ("seed", "Seed", seed);
cmd.AddValue ("csvFileName", "Name of the .csv file", csvFileName);
cmd.AddValue ("band", "AC_5, AX_2.4 or AX_5", band);
cmd.AddValue ("phyModel", "PHY layer model", phyModel);
cmd.AddValue ("constantMcs", "0 Minstrel or 1 constant", constantMcs);
cmd.AddValue ("enablePcap", "Enable/disable pcap file generation", enablePcap);
cmd.AddValue ("nStaA", "Number Stations A", nStaA);
cmd.AddValue ("nStaB", "Number Stations B", nStaB);
cmd.AddValue ("nStaC", "Number Stations C", nStaC);
// Network
cmd.AddValue ("channelNumber", "Channel number", channelNumber);
cmd.AddValue ("channelWidth", "Channel width", channelWidth);
cmd.AddValue ("mcs", "if set, limit testing to a specific MCS", mcs);
cmd.AddValue ("gi", "Guard interval", gi);
cmd.AddValue ("txPower", "Transmission power", txPower);
// Network A
cmd.AddValue ("dataRateA_old", "Data rate A", dataRateA_old);
// Network B
cmd.AddValue ("dataRateB_old", "Data rate B", dataRateB_old);
// Network C
cmd.AddValue ("dataRateC_old", "Data rate C", dataRateC_old);
cmd.Parse (argc, argv);
// Set the PRNG seed
RngSeedManager::SetSeed (seed);
// Set random throughput for each flow in the the 3 slices
Ptr<UniformRandomVariable> dataRateA_ptr = CreateObject<UniformRandomVariable> ();
dataRateA_ptr->SetAttribute ("Min", DoubleValue (80));
dataRateA_ptr->SetAttribute ("Max", DoubleValue (101));
std::vector<int> dataRateA(nStaA);
std::vector<std::string> dataRateA_str(nStaA);
for (int i = 0; i < nStaA; i++)
{
dataRateA[i] = (int) dataRateA_ptr->GetValue();
dataRateA_str[i] = std::to_string(dataRateA[i]) + "Mb/s";
}
Ptr<UniformRandomVariable> dataRateB_ptr = CreateObject<UniformRandomVariable> ();
dataRateB_ptr->SetAttribute ("Min", DoubleValue (30));
dataRateB_ptr->SetAttribute ("Max", DoubleValue (51));
std::vector<int> dataRateB(nStaB);
std::vector<std::string> dataRateB_str(nStaB);
for (int i = 0; i < nStaB; i++)
{
dataRateB[i] = (int) dataRateB_ptr->GetValue();
dataRateB_str[i] = std::to_string(dataRateB[i]) + "Kb/s";
}
Ptr<UniformRandomVariable> dataRateC_ptr = CreateObject<UniformRandomVariable> ();
dataRateC_ptr->SetAttribute ("Min", DoubleValue (20));
dataRateC_ptr->SetAttribute ("Max", DoubleValue (41));
std::vector<int> dataRateC(nStaC);
std::vector<std::string> dataRateC_str(nStaC);
for (int i = 0; i < nStaC; i++)
{
dataRateC[i] = (int) dataRateC_ptr->GetValue();
dataRateC_str[i] = std::to_string(dataRateC[i]) + "Mb/s";
}
// Set positions for STAs
Ptr<UniformRandomVariable> x_ptr = CreateObject<UniformRandomVariable> ();
x_ptr->SetAttribute ("Min", DoubleValue (0));
x_ptr->SetAttribute ("Max", DoubleValue (x_max));
std::vector<double> x(nStaA+nStaB+nStaC);
Ptr<UniformRandomVariable> y_ptr = CreateObject<UniformRandomVariable> ();
y_ptr->SetAttribute ("Min", DoubleValue (0));
y_ptr->SetAttribute ("Max", DoubleValue (y_max));
std::vector<double> y(nStaA+nStaB+nStaC);
for (int i = 0; i < nStaA+nStaB+nStaC; i++)
{
x[i] = x_ptr->GetValue ();
y[i] = y_ptr->GetValue ();
}
// Create nStaA + nStaB + nStaC STAs node objects and 1 AP node object
NodeContainer staNodes;
staNodes.Create (nStaA + nStaB + nStaC);
NodeContainer apNode;
apNode.Create (1);
// Create a phy helper
SpectrumWifiPhyHelper spectrumPhy = SpectrumWifiPhyHelper::Default ();
YansWifiPhyHelper yansPhy = YansWifiPhyHelper::Default ();
if (phyModel == "spectrum")
{
// Create the channel
Ptr<MultiModelSpectrumChannel> channel = CreateObject<MultiModelSpectrumChannel> ();
Ptr<HybridBuildingsPropagationLossModel> lossModel = CreateObject<HybridBuildingsPropagationLossModel> ();
channel->AddPropagationLossModel (lossModel);
Ptr<ConstantSpeedPropagationDelayModel> delayModel = CreateObject<ConstantSpeedPropagationDelayModel> ();
channel->SetPropagationDelayModel (delayModel);
spectrumPhy.SetErrorRateModel ("ns3::NistErrorRateModel");
spectrumPhy.SetChannel (channel);
spectrumPhy.Set ("TxPowerStart", DoubleValue (txPower));
spectrumPhy.Set ("TxPowerEnd", DoubleValue (txPower));
}
else if (phyModel == "yans")
{
// Create the channel
YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();
yansPhy.SetChannel (channel.Create ());
yansPhy.Set ("TxPowerStart", DoubleValue (txPower));
yansPhy.Set ("TxPowerEnd", DoubleValue (txPower));
}
else
{
std::cout << "Wrong phyModel value!" << std::endl;
return 0;
}
//Create a WifiMacHelper and a WifiHelper
WifiMacHelper mac;
WifiHelper wifi;
std::ostringstream oss;
if (band == "AC_5")
{
wifi.SetStandard (WIFI_PHY_STANDARD_80211ac);
Config::SetDefault ("ns3::HybridBuildingsPropagationLossModel::Frequency", DoubleValue (5.51e+09));
if (constantMcs == 0)
{
wifi.SetRemoteStationManager ("ns3::MinstrelHtWifiManager");
}
else if (constantMcs == 1)
{
oss << "VhtMcs" << mcs;
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue (oss.str ()),
"ControlMode", StringValue (oss.str ()));
}
else
{
std::cout << "Wrong constantMcs value!" << std::endl;
return 0;
}
}
else if (band == "AX_5")
{
wifi.SetStandard (WIFI_PHY_STANDARD_80211ax_5GHZ);
Config::SetDefault ("ns3::HybridBuildingsPropagationLossModel::Frequency", DoubleValue (5.51e+09));
if (constantMcs == 1)
{
oss << "HeMcs" << mcs;
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue (oss.str ()),
"ControlMode", StringValue (oss.str ()));
}
else
{
std::cout << "With AX_5, constantMcs must be 1!" << std::endl;
return 0;
}
}
else if (band == "AX_2.4")
{
wifi.SetStandard (WIFI_PHY_STANDARD_80211ax_2_4GHZ);
Config::SetDefault ("ns3::HybridBuildingsPropagationLossModel::Frequency", DoubleValue (2.44e+09));
if (constantMcs == 1)
{
oss << "HeMcs" << mcs;
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue (oss.str ()),
"ControlMode", StringValue (oss.str ()));
}
else
{
std::cout << "With AX_2.4, constantMcs must be 1!" << std::endl;
return 0;
}
}
else
{
std::cout << "Wrong band value!" << std::endl;
return 0;
}
// Declare NetDeviceContainers to hold the container returned by the helper
std::vector<NetDeviceContainer> staDeviceA(nStaA);
std::vector<NetDeviceContainer> staDeviceB(nStaB);
std::vector<NetDeviceContainer> staDeviceC(nStaC);
NetDeviceContainer apDeviceA;
Ssid ssid;
if (phyModel == "spectrum")
{
// Network
ssid = Ssid ("networkA");
spectrumPhy.Set ("ChannelNumber", UintegerValue (channelNumber));
mac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid));
for (int i = 0; i < nStaA; i++)
staDeviceA[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i));
for (int i = 0; i < nStaB; i++)
staDeviceB[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i + nStaA));
for (int i = 0; i < nStaC; i++)
staDeviceC[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i + nStaA + nStaB));
mac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
apDeviceA = wifi.Install (spectrumPhy, mac, apNode.Get(0));
}
else if (phyModel == "yans")
{
// Network
ssid = Ssid ("networkA");
yansPhy.Set ("ChannelNumber", UintegerValue (channelNumber));
mac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid));
for (int i = 0; i < nStaA; i++)
staDeviceA[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i));
for (int i = 0; i < nStaB; i++)
staDeviceB[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i + nStaA));
for (int i = 0; i < nStaC; i++)
staDeviceC[i] = wifi.Install (spectrumPhy, mac, staNodes.Get (i + nStaA + nStaB));
mac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
apDeviceA = wifi.Install (yansPhy, mac, apNode.Get(0));
}
else
{
std::cout << "Wrong phyModel value!" << std::endl;
return 0;
}
// Set channel width
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Phy/ChannelWidth",
UintegerValue (channelWidth));
// Set guard interval
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/HeConfiguration/GuardInterval",
TimeValue (NanoSeconds (gi)));
// Set rts cts
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/RemoteStationManager/RtsCtsThreshold",
UintegerValue (100));
// Create building
Ptr<Building> b = CreateObject <Building> ();
b->SetBoundaries (Box (0.0, x_max, 0.0, y_max, 0.0, z_max));
b->SetBuildingType (Building::Residential);
b->SetExtWallsType (Building::ConcreteWithWindows);
b->SetNFloors (1);
b->SetNRoomsX (1);
b->SetNRoomsY (1);
// Set mobility model
Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
// Set position for AP
positionAlloc->Add (Vector (10.0, 5.0, 2.9));
// Set position for STAs
for (int i = 0; i < nStaA+nStaB+nStaC; i++)
positionAlloc->Add (Vector (x[i], y[i], 1.5));
MobilityHelper mobility;
mobility.SetPositionAllocator (positionAlloc);
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (apNode);
mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
"Bounds", RectangleValue (Rectangle (0.0, x_max, 0.0, y_max)));
for (int i = 0; i < nStaA; i++)
mobility.Install (staNodes.Get (i));
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
for (int i = 0; i < nStaB; i++)
mobility.Install (staNodes.Get (nStaA+i));
mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
"Bounds", RectangleValue (Rectangle (0.0, x_max, 0.0, y_max)));
for (int i = 0; i < nStaC; i++)
mobility.Install (staNodes.Get (nStaA+nStaB+i));
BuildingsHelper::Install (apNode);
BuildingsHelper::Install (staNodes);
BuildingsHelper::MakeMobilityModelConsistent ();
// Internet stack
InternetStackHelper stack;
stack.Install (apNode);
stack.Install (staNodes);
Ipv4AddressHelper address;
address.SetBase ("192.168.1.0", "255.255.255.0");
std::vector<Ipv4InterfaceContainer> staInterfaceA(nStaA);
for (int i = 0; i < nStaA; i++)
staInterfaceA[i] = address.Assign (staDeviceA[i]);
//Ipv4InterfaceContainer apInterfaceA = address.Assign (apDeviceA);
//address.SetBase ("192.168.2.0", "255.255.255.0");
std::vector<Ipv4InterfaceContainer> staInterfaceB(nStaB);
for (int i = 0; i < nStaB; i++)
staInterfaceB[i] = address.Assign (staDeviceB[i]);
//Ipv4InterfaceContainer apInterfaceB = address.Assign (apDeviceB);
//address.SetBase ("192.168.3.0", "255.255.255.0");
std::vector<Ipv4InterfaceContainer> staInterfaceC(nStaC);
for (int i = 0; i < nStaC; i++)
staInterfaceC[i] = address.Assign (staDeviceC[i]);
//Ipv4InterfaceContainer apInterfaceC = address.Assign (apDeviceC);
Ipv4InterfaceContainer apInterfaceA = address.Assign (apDeviceA);
// Flow monitor
Ptr<FlowMonitor> flowMonitor;
FlowMonitorHelper flowHelper;
flowMonitor = flowHelper.InstallAll();
// Setting applications
uint16_t index = 1;
std::vector<ApplicationContainer> clientAppA(nStaA), serverAppA(nStaA);
std::vector<ApplicationContainer> clientAppB(nStaB), serverAppB(nStaB);
std::vector<ApplicationContainer> clientAppC(nStaC), serverAppC(nStaC);
for (int i = 0; i < nStaA; i++)
new_application (index, payloadSize, simulationTime, staNodes, apNode,
dataRateA_str[i], apInterfaceA, clientAppA[i], serverAppA[i]);
for (int i = 0; i < nStaB; i++)
new_application (index, payloadSize, simulationTime, staNodes, apNode,
dataRateB_str[i], apInterfaceA, clientAppB[i], serverAppB[i]);
for (int i = 0; i < nStaC; i++)
new_application (index, payloadSize, simulationTime, staNodes, apNode,
dataRateC_str[i], apInterfaceA, clientAppC[i], serverAppC[i]);
if (enablePcap)
{
if (phyModel == "spectrum")
{
spectrumPhy.EnablePcap ("AP_A", apDeviceA.Get (0));
spectrumPhy.EnablePcap ("STA_A", staDeviceA[0].Get (0));
//spectrumPhy.EnablePcap ("AP_B", apDeviceB.Get (0));
spectrumPhy.EnablePcap ("STA_B", staDeviceB[0].Get (0));
//spectrumPhy.EnablePcap ("AP_C", apDeviceC.Get (0));
spectrumPhy.EnablePcap ("STA_C", staDeviceC[0].Get (0));
}
else if (phyModel == "yans")
{
yansPhy.EnablePcap ("AP_A", apDeviceA.Get (0));
yansPhy.EnablePcap ("STA_A", staDeviceA[0].Get (0));
//yansPhy.EnablePcap ("AP_B", apDeviceB.Get (0));
yansPhy.EnablePcap ("STA_B", staDeviceB[0].Get (0));
//yansPhy.EnablePcap ("AP_C", apDeviceC.Get (0));
yansPhy.EnablePcap ("STA_C", staDeviceC[0].Get (0));
}
else
{
std::cout << "Wrong phyModel value!" << std::endl;
return 0;
}
}
Simulator::Stop (Seconds (simulationTime + 2));
time_t timeNow = time(0);
char* ctimeNow =ctime(&timeNow);
std::cout << OKBLUE <<"Simulation started! Time: " << ctimeNow << ENDC;
Simulator::Run ();
// Activate/deactivate the histograms and the per-probe detailed stats
std::cout << OKBLUE <<"Writing to file: FlowMonitorFile.xml"<< ENDC << std::endl;
flowMonitor->SerializeToXmlFile("FlowMonitorFile.xml", false, false);
// Show results
std::vector<uint64_t> totalPacketsRxA(nStaA), totalPacketsLossA(nStaA);
std::vector<uint64_t> totalPacketsRxB(nStaB), totalPacketsLossB(nStaB);
std::vector<uint64_t> totalPacketsRxC(nStaC), totalPacketsLossC(nStaC);
for (int i = 0; i < nStaA; i++)
{
totalPacketsRxA[i] = DynamicCast<UdpServer> (serverAppA[i].Get (0))->GetReceived ();
totalPacketsLossA[i] = DynamicCast<UdpServer> (serverAppA[i].Get (0))->GetLost ();
}
for (int i = 0; i < nStaB; i++)
{
totalPacketsRxB[i] = DynamicCast<UdpServer> (serverAppB[i].Get (0))->GetReceived ();
totalPacketsLossB[i] = DynamicCast<UdpServer> (serverAppB[i].Get (0))->GetLost ();
}
for (int i = 0; i < nStaC; i++)
{
totalPacketsRxC[i] = DynamicCast<UdpServer> (serverAppC[i].Get (0))->GetReceived ();
totalPacketsLossC[i] = DynamicCast<UdpServer> (serverAppC[i].Get (0))->GetLost ();
}
std::vector<uint32_t> txPackets_unsort(nStaA+nStaB+nStaC);
std::vector<uint32_t> rxPackets_unsort(nStaA+nStaB+nStaC);
std::vector<double> latency_unsort(nStaA+nStaB+nStaC);
std::vector<uint32_t> txPackets(nStaA+nStaB+nStaC);
std::vector<uint32_t> rxPackets(nStaA+nStaB+nStaC);
std::vector<double> latency(nStaA+nStaB+nStaC);
std::vector<uint32_t> destPorts(nStaA+nStaB+nStaC);
Ptr<Ipv4FlowClassifier> classifier = DynamicCast<Ipv4FlowClassifier> (flowHelper.GetClassifier ());
FlowMonitor::FlowStatsContainer stats = flowMonitor->GetFlowStats ();
for (std::map<FlowId, FlowMonitor::FlowStats>::const_iterator i = stats.begin (); i != stats.end (); ++i)
{
txPackets_unsort[i->first-1] = i->second.txPackets;
rxPackets_unsort[i->first-1] = i->second.rxPackets;
latency_unsort[i->first-1] = i->second.delaySum.ToDouble(Time::MS) / i->second.rxPackets;
Ipv4FlowClassifier::FiveTuple t = classifier->FindFlow (i->first);
destPorts[i->first-1] = t.destinationPort;
//std::cout << "Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << "," << destPorts[i->first-1] << ")\n";
//std::cout << " Tx Packets: " << totTxPackets[i->first-1] << "\n";
//std::cout << " Rx Packets: " << totRxPackets[i->first-1] << "\n";
//std::cout << " Delay Sum: " << totDelay[i->first-1] << "\n";
//std::cout << " Delay Sum MS: " << i->second.delaySum.ToDouble(Time::MS) << "\n";
//std::cout << " Delay: " << i->second.delaySum / i->second.rxPackets << "\n";
//std::cout << " Delay MS: " << i->second.delaySum.ToDouble(Time::MS) / i->second.rxPackets << "\n";
}
for (int i = 0; i < nStaA+nStaB+nStaC; i++)
{
txPackets[destPorts[i]-5001] = txPackets_unsort[i];
rxPackets[destPorts[i]-5001] = rxPackets_unsort[i];
latency[destPorts[i]-5001] = latency_unsort[i];
}
timeNow = time(0);
ctimeNow =ctime(&timeNow);
std::cout << OKBLUE << "Simulation finished! Time: " << ctimeNow << ENDC;
Simulator::Destroy ();
// Writing to file csvFileName.csv
std::cout << OKBLUE <<"Writing to file: " << csvFileName << ENDC << std::endl;
// std::ofstream out (csvFileName.c_str ()); // Use it to overwrite the file
std::ofstream out (csvFileName.c_str (), std::ios::app);
for (int i = 0; i < nStaA; i++)
{
out << dataRateA[i] << "," << x[i] << "," << y[i] << ","
<< txPackets[i] << "," << rxPackets[i] << "," << latency[i]
<< std::endl;
}
for (int i = 0; i < nStaB; i++)
{
out << dataRateB[i] << "," << x[nStaA+i] << "," << y[nStaA+i] << ","
<< txPackets[nStaA+i] << "," << rxPackets[nStaA+i] << "," << latency[nStaA+i] << std::endl;
}
for (int i = 0; i < nStaC; i++)
{
out << dataRateC[i] << "," << x[nStaA+nStaB+i] << "," << y[nStaA+nStaB+i] << ","
<< txPackets[nStaA+nStaB+i] << "," << rxPackets[nStaA+nStaB+i] << "," << latency[nStaA+nStaB+i] << std::endl;
}
out.close ();
return 0;
}