/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2009 The Boeing Company
*
* 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: Guangyu Pei <guangyu.pei@boeing.com>
*/
#include "ns3/core-module.h"
#include "ns3/common-module.h"
#include "ns3/node-module.h"
#include "ns3/helper-module.h"
#include "ns3/mobility-module.h"
#include "ns3/contrib-module.h"
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
NS_LOG_COMPONENT_DEFINE ("Main");
using namespace ns3;
class Experiment
{
public:
Experiment ();
Experiment (std::string name);
uint32_t Run (const WifiHelper &wifi, const YansWifiPhyHelper &wifiPhy,
const NqosWifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel);
private:
void ReceivePacket (Ptr<Socket> socket);
void SetPosition (Ptr<Node> node, Vector position);
Vector GetPosition (Ptr<Node> node);
Ptr<Socket> SetupPacketReceive (Ptr<Node> node);
void GenerateTraffic (Ptr<Socket> socket, uint32_t pktSize,
uint32_t pktCount, Time pktInterval );
uint32_t m_pktsTotal;
Gnuplot2dDataset m_output;
};
Experiment::Experiment ()
{}
Experiment::Experiment (std::string name)
: m_output (name)
{
m_output.SetStyle (Gnuplot2dDataset::LINES);
}
void
Experiment::SetPosition (Ptr<Node> node, Vector position)
{
Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
mobility->SetPosition (position);
}
Vector
Experiment::GetPosition (Ptr<Node> node)
{
Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
return mobility->GetPosition ();
}
void
Experiment::ReceivePacket (Ptr<Socket> socket)
{
Ptr<Packet> packet;
while (packet = socket->Recv ())
{
m_pktsTotal ++;
}
}
Ptr<Socket>
Experiment::SetupPacketReceive (Ptr<Node> node)
{
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> sink = Socket::CreateSocket (node, tid);
InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
sink->Bind (local);
sink->SetRecvCallback (MakeCallback (&Experiment::ReceivePacket, this));
return sink;
}
void
Experiment::GenerateTraffic (Ptr<Socket> socket, uint32_t pktSize,
uint32_t pktCount, Time pktInterval )
{
if (pktCount > 0)
{
socket->Send (Create<Packet> (pktSize));
Simulator::Schedule (pktInterval, &Experiment::GenerateTraffic, this,
socket, pktSize,pktCount-1, pktInterval);
}
else
{
socket->Close ();
}
}
uint32_t
Experiment::Run (const WifiHelper &wifi, const YansWifiPhyHelper &wifiPhy,
const NqosWifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel)
{
m_pktsTotal = 0;
NodeContainer c;
c.Create (2);
InternetStackHelper internet;
internet.Install (c);
YansWifiPhyHelper phy = wifiPhy;
phy.SetChannel (wifiChannel.Create ());
NqosWifiMacHelper mac = wifiMac;
NetDeviceContainer devices = wifi.Install (phy, mac, c);
MobilityHelper mobility;
Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
positionAlloc->Add (Vector (0.0, 0.0, 0.0));
positionAlloc->Add (Vector (5.0, 0.0, 0.0));
mobility.SetPositionAllocator (positionAlloc);
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (c);
Ipv4AddressHelper ipv4;
NS_LOG_INFO ("Assign IP Addresses.");
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (devices);
Ptr<Socket> recvSink = SetupPacketReceive (c.Get (0));
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> source = Socket::CreateSocket (c.Get (1), tid);
InetSocketAddress remote = InetSocketAddress (Ipv4Address ("255.255.255.255"), 80);
source->Connect (remote);
uint32_t packetSize = 1014;
uint32_t maxPacketCount = 200;
Time interPacketInterval = Seconds (1.);
Simulator::Schedule (Seconds (1.0), &Experiment::GenerateTraffic,
this, source, packetSize, maxPacketCount,interPacketInterval);
Simulator::Run ();
Simulator::Destroy ();
return m_pktsTotal;
}
int main (int argc, char *argv[])
{
std::ofstream outfile ("clear-channel.plt");
std::vector <std::string> modes;
modes.push_back ("wifib-1mbs");
modes.push_back ("wifib-2mbs");
modes.push_back ("wifib-5.5mbs");
modes.push_back ("wifib-11mbs");
// disable fragmentation
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200"));
CommandLine cmd;
cmd.Parse (argc, argv);
Gnuplot gnuplot = Gnuplot ("clear-channel.eps");
for (uint32_t i = 0; i < modes.size(); i++)
{
std::cout << modes[i] << std::endl;
Gnuplot2dDataset dataset (modes[i]);
for (double rss = -102.0; rss <= -80.0; rss += 0.5)
{
Experiment experiment;
dataset.SetStyle (Gnuplot2dDataset::LINES);
WifiHelper wifi;
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (modes[i]));
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode",StringValue(modes[i]),
"ControlMode",StringValue(modes[i]));
wifiMac.SetType ("ns3::AdhocWifiMac");
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
YansWifiChannelHelper wifiChannel ;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiChannel.AddPropagationLoss ("ns3::FixedRssLossModel","Rss",DoubleValue(rss));
NS_LOG_DEBUG (modes[i]);
experiment = Experiment (modes[i]);
wifiPhy.Set ("Standard", StringValue ("802.11b") );
wifiPhy.Set ("EnergyDetectionThreshold", DoubleValue (-110.0) );
wifiPhy.Set ("CcaMode1Threshold", DoubleValue (-110.0) );
wifiPhy.Set ("TxPowerStart", DoubleValue (15.0) );
wifiPhy.Set ("RxGain", DoubleValue (0) );
wifiPhy.Set ("RxNoiseFigure", DoubleValue (7) );
uint32_t pktsRecvd = experiment.Run (wifi, wifiPhy, wifiMac, wifiChannel);
dataset.Add (rss, pktsRecvd);
}
gnuplot.AddDataset (dataset);
}
gnuplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
gnuplot.SetLegend ("RSS(dBm)", "Number of packets received");
gnuplot.SetExtra ("set xrange [-102:-83]");
gnuplot.GenerateOutput (outfile);
outfile.close ();
return 0;
}