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// ns-3
#include "ns3/command-line.h"
#include "ns3/config.h"
#include "ns3/string.h"
#include "ns3/log.h"
#include "ns3/yans-wifi-helper.h"
#include "ns3/ssid.h"
#include "ns3/mobility-helper.h"
#include "ns3/on-off-helper.h"
#include "ns3/yans-wifi-channel.h"
#include "ns3/mobility-model.h"
#include "ns3/packet-sink.h"
#include "ns3/packet-sink-helper.h"
#include "ns3/udp-echo-helper.h"
#include "ns3/tcp-westwood.h"
#include "ns3/internet-stack-helper.h"
#include "ns3/ipv4-address-helper.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/constant-position-mobility-model.h"
// C++ library
#include <iostream>
#include <utility> // To use std::pair
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("wifi-tcp");
// ---------- Code ----------
// Cell tuple like ((APNode,SensorNodes),(APNetDev,SensorsNetDev))
typedef std::pair<NodeContainer,NodeContainer> CellNodes;
typedef std::pair<NetDeviceContainer,NetDeviceContainer> CellNetDevices;
typedef std::pair<CellNodes,CellNetDevices> Cell;
/**
* Create a sensors cell
*/
Cell createCell(uint32_t nbSensors){
// Create sensors
NodeContainer sensors;
sensors.Create(nbSensors);
NodeContainer ap;
ap.Create(1);
// Place nodes somehow, this is required by every wireless simulation
for (uint8_t i = 0; i < nbSensors; ++i)
{
sensors.Get (i)->AggregateObject (CreateObject<ConstantPositionMobilityModel> ());
}
ap.Get (0)->AggregateObject (CreateObject<ConstantPositionMobilityModel> ());
// To apply XXWifiPhy and WifiMac on sensors
WifiHelper wifiHelper;
wifiHelper.SetStandard (WIFI_PHY_STANDARD_80211n_5GHZ);
/* Set up Legacy Channel */
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiChannel.AddPropagationLoss ("ns3::FriisPropagationLossModel", "Frequency", DoubleValue (5e9));
/* Setup Physical Layer */
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
wifiPhy.Set ("TxPowerStart", DoubleValue (10.0));
wifiPhy.Set ("TxPowerEnd", DoubleValue (10.0));
wifiPhy.Set ("TxPowerLevels", UintegerValue (1));
wifiPhy.Set ("TxGain", DoubleValue (0));
wifiPhy.Set ("RxGain", DoubleValue (0));
wifiPhy.Set ("RxNoiseFigure", DoubleValue (10));
wifiPhy.Set ("CcaMode1Threshold", DoubleValue (-79));
wifiPhy.Set ("EnergyDetectionThreshold", DoubleValue (-79 + 3));
// wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel");
wifiHelper.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue ("HtMcs7"),
"ControlMode", StringValue ("HtMcs0"));
/* Configure AP */
Ssid ssid = Ssid ("network");
WifiMacHelper wifiMac;
wifiMac.SetType ("ns3::ApWifiMac", "Ssid", SsidValue (ssid));
NetDeviceContainer apNetDevice;
apNetDevice = wifiHelper.Install (wifiPhy, wifiMac, ap);
/* Configure STA */
wifiMac.SetType ("ns3::StaWifiMac", "Ssid", SsidValue (ssid));
NetDeviceContainer sensorsNetDevices;
sensorsNetDevices = wifiHelper.Install (wifiPhy, wifiMac, sensors);
return(std::make_pair(std::make_pair(ap,sensors),std::make_pair(apNetDevice,sensorsNetDevices)));
}
/**
* Install network stack and applications
*/
void applyScenarios(Cell cell,int sensorsPktSize, int sensorsSendInterval){
NodeContainer ap=cell.first.first;
NodeContainer sensors=cell.first.second;
NetDeviceContainer apNetDev= cell.second.first;
NetDeviceContainer sensorsNetDev= cell.second.second;
// 6. Install TCP/IP stack & assign IP addresses
InternetStackHelper internet;
internet.Install (ap);
internet.Install (sensors);
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.0.0.0", "255.0.0.0");
Ipv4InterfaceContainer apInt,sensorsInt;
apInt=ipv4.Assign(apNetDev);
sensorsInt=ipv4.Assign(sensorsNetDev);
uint16_t echoPort = 9;
UdpEchoClientHelper echoClientHelper (InetSocketAddress (apInt.GetAddress (0), echoPort));
// echoClientHelper.SetAttribute ("MaxPackets", UintegerValue (10));
echoClientHelper.SetAttribute ("Interval", TimeValue (Seconds (sensorsSendInterval)));
echoClientHelper.SetAttribute ("PacketSize", UintegerValue (sensorsPktSize));
ApplicationContainer pingApps;
// again using different start times to workaround Bug 388 and Bug 912
echoClientHelper.SetAttribute ("StartTime", TimeValue (Seconds (1))); // Start at 1 (WIFI seems to not work when t<1)
echoClientHelper.Install (sensors);
PacketSinkHelper apSink("ns3::UdpSocketFactory",InetSocketAddress (Ipv4Address::GetAny (), echoPort));
ApplicationContainer sinkApp=apSink.Install(ap);
sinkApp.Start (Seconds (0));
}
int main(int argc, char* argv[]){
LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable("PacketSink", LOG_LEVEL_INFO);
uint32_t sensorsFrequency=1;
uint32_t sensorsPktSize=150;
uint32_t sensorsNumber=10;
CommandLine cmd;
cmd.AddValue ("sensorsSendInterval", "Number of temperature measurement per second (default 1)", sensorsFrequency);
cmd.AddValue ("sensorsPktSize", "Sensor measurements packet size (default 64 bytes)", sensorsPktSize);
cmd.AddValue ("sensorsNumber", "Number of sensors (default 10)", sensorsNumber);
cmd.Parse (argc, argv);
Cell c=createCell(sensorsNumber);
applyScenarios(c,sensorsPktSize,sensorsFrequency);
// Run simulators
Simulator::Stop (Seconds (10));
Simulator::Run ();
// Destroy
Simulator::Destroy ();
return(0);
}
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