290 lines
8.6 KiB
C++
290 lines
8.6 KiB
C++
/*
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* Copyright (c) 2009 The Boeing Company
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Guangyu Pei <guangyu.pei@boeing.com>
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*/
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#include "ns3/command-line.h"
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#include "ns3/config.h"
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#include "ns3/double.h"
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#include "ns3/gnuplot.h"
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#include "ns3/internet-stack-helper.h"
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#include "ns3/ipv4-address-helper.h"
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#include "ns3/log.h"
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#include "ns3/mobility-helper.h"
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#include "ns3/mobility-model.h"
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#include "ns3/string.h"
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#include "ns3/yans-wifi-channel.h"
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#include "ns3/yans-wifi-helper.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE("ClearChannelCmu");
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/**
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* WiFi clear channel cmu experiment class.
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*
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* It handles the creation and run of an experiment.
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*/
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class Experiment
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{
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public:
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Experiment();
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/**
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* Constructor.
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* \param name The name of the experiment.
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*/
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Experiment(std::string name);
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/**
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* Run an experiment.
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* \param wifi //!< The WifiHelper class.
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* \param wifiPhy //!< The YansWifiPhyHelper class.
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* \param wifiMac //!< The WifiMacHelper class.
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* \param wifiChannel //!< The YansWifiChannelHelper class.
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* \return the number of received packets.
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*/
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uint32_t Run(const WifiHelper& wifi,
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const YansWifiPhyHelper& wifiPhy,
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const WifiMacHelper& wifiMac,
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const YansWifiChannelHelper& wifiChannel);
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private:
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/**
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* Receive a packet.
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* \param socket The receiving socket.
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*/
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void ReceivePacket(Ptr<Socket> socket);
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/**
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* Set the position of a node.
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* \param node The node.
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* \param position The position of the node.
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*/
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void SetPosition(Ptr<Node> node, Vector position);
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/**
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* Get the position of a node.
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* \param node The node.
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* \return the position of the node.
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*/
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Vector GetPosition(Ptr<Node> node);
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/**
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* Setup the receiving socket.
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* \param node The receiving node.
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* \return the socket.
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*/
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Ptr<Socket> SetupPacketReceive(Ptr<Node> node);
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/**
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* Generate the traffic.
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* \param socket The sending socket.
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* \param pktSize The packet size.
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* \param pktCount The number of packets to send.
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* \param pktInterval The time between packets.
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*/
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void GenerateTraffic(Ptr<Socket> socket, uint32_t pktSize, uint32_t pktCount, Time pktInterval);
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uint32_t m_pktsTotal; //!< Total number of received packets
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Gnuplot2dDataset m_output; //!< Output dataset.
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};
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Experiment::Experiment()
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{
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}
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Experiment::Experiment(std::string name)
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: m_output(name)
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{
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m_output.SetStyle(Gnuplot2dDataset::LINES);
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}
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void
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Experiment::SetPosition(Ptr<Node> node, Vector position)
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{
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Ptr<MobilityModel> mobility = node->GetObject<MobilityModel>();
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mobility->SetPosition(position);
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}
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Vector
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Experiment::GetPosition(Ptr<Node> node)
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{
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Ptr<MobilityModel> mobility = node->GetObject<MobilityModel>();
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return mobility->GetPosition();
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}
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void
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Experiment::ReceivePacket(Ptr<Socket> socket)
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{
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Ptr<Packet> packet;
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while ((packet = socket->Recv()))
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{
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m_pktsTotal++;
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}
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}
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Ptr<Socket>
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Experiment::SetupPacketReceive(Ptr<Node> node)
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{
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TypeId tid = TypeId::LookupByName("ns3::UdpSocketFactory");
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Ptr<Socket> sink = Socket::CreateSocket(node, tid);
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InetSocketAddress local = InetSocketAddress(Ipv4Address::GetAny(), 80);
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sink->Bind(local);
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sink->SetRecvCallback(MakeCallback(&Experiment::ReceivePacket, this));
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return sink;
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}
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void
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Experiment::GenerateTraffic(Ptr<Socket> socket,
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uint32_t pktSize,
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uint32_t pktCount,
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Time pktInterval)
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{
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if (pktCount > 0)
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{
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socket->Send(Create<Packet>(pktSize));
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Simulator::Schedule(pktInterval,
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&Experiment::GenerateTraffic,
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this,
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socket,
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pktSize,
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pktCount - 1,
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pktInterval);
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}
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else
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{
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socket->Close();
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}
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}
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uint32_t
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Experiment::Run(const WifiHelper& wifi,
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const YansWifiPhyHelper& wifiPhy,
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const WifiMacHelper& wifiMac,
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const YansWifiChannelHelper& wifiChannel)
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{
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m_pktsTotal = 0;
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NodeContainer c;
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c.Create(2);
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InternetStackHelper internet;
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internet.Install(c);
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YansWifiPhyHelper phy = wifiPhy;
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phy.SetChannel(wifiChannel.Create());
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WifiMacHelper mac = wifiMac;
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NetDeviceContainer devices = wifi.Install(phy, mac, c);
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MobilityHelper mobility;
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Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator>();
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positionAlloc->Add(Vector(0.0, 0.0, 0.0));
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positionAlloc->Add(Vector(5.0, 0.0, 0.0));
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mobility.SetPositionAllocator(positionAlloc);
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mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
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mobility.Install(c);
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Ipv4AddressHelper ipv4;
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NS_LOG_INFO("Assign IP Addresses.");
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ipv4.SetBase("10.1.1.0", "255.255.255.0");
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Ipv4InterfaceContainer i = ipv4.Assign(devices);
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Ptr<Socket> recvSink = SetupPacketReceive(c.Get(0));
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TypeId tid = TypeId::LookupByName("ns3::UdpSocketFactory");
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Ptr<Socket> source = Socket::CreateSocket(c.Get(1), tid);
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InetSocketAddress remote = InetSocketAddress(Ipv4Address("255.255.255.255"), 80);
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source->SetAllowBroadcast(true);
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source->Connect(remote);
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uint32_t packetSize = 1014;
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uint32_t maxPacketCount = 200;
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Time interPacketInterval = Seconds(1.);
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Simulator::Schedule(Seconds(1.0),
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&Experiment::GenerateTraffic,
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this,
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source,
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packetSize,
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maxPacketCount,
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interPacketInterval);
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Simulator::Run();
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Simulator::Destroy();
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return m_pktsTotal;
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}
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int
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main(int argc, char* argv[])
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{
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std::ofstream outfile("clear-channel.plt");
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const std::vector<std::string> modes{
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"DsssRate1Mbps",
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"DsssRate2Mbps",
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"DsssRate5_5Mbps",
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"DsssRate11Mbps",
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};
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CommandLine cmd(__FILE__);
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cmd.Parse(argc, argv);
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Gnuplot gnuplot = Gnuplot("clear-channel.eps");
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for (uint32_t i = 0; i < modes.size(); i++)
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{
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std::cout << modes[i] << std::endl;
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Gnuplot2dDataset dataset(modes[i]);
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for (double rss = -102.0; rss <= -80.0; rss += 0.5)
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{
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Experiment experiment;
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dataset.SetStyle(Gnuplot2dDataset::LINES);
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WifiHelper wifi;
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wifi.SetStandard(WIFI_STANDARD_80211b);
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WifiMacHelper wifiMac;
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Config::SetDefault("ns3::WifiRemoteStationManager::NonUnicastMode",
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StringValue(modes[i]));
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wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
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"DataMode",
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StringValue(modes[i]),
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"ControlMode",
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StringValue(modes[i]));
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wifiMac.SetType("ns3::AdhocWifiMac");
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YansWifiPhyHelper wifiPhy;
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YansWifiChannelHelper wifiChannel;
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wifiChannel.SetPropagationDelay("ns3::ConstantSpeedPropagationDelayModel");
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wifiChannel.AddPropagationLoss("ns3::FixedRssLossModel", "Rss", DoubleValue(rss));
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NS_LOG_DEBUG(modes[i]);
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experiment = Experiment(modes[i]);
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wifiPhy.Set("TxPowerStart", DoubleValue(15.0));
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wifiPhy.Set("TxPowerEnd", DoubleValue(15.0));
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wifiPhy.Set("RxGain", DoubleValue(0));
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wifiPhy.Set("RxNoiseFigure", DoubleValue(7));
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uint32_t pktsRecvd = experiment.Run(wifi, wifiPhy, wifiMac, wifiChannel);
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dataset.Add(rss, pktsRecvd);
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}
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gnuplot.AddDataset(dataset);
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}
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gnuplot.SetTerminal("postscript eps color enh \"Times-BoldItalic\"");
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gnuplot.SetLegend("RSS(dBm)", "Number of packets received");
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gnuplot.SetExtra("set xrange [-102:-83]");
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gnuplot.GenerateOutput(outfile);
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outfile.close();
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return 0;
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}
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