732 lines
21 KiB
C++
732 lines
21 KiB
C++
/*
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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: Duy Nguyen <duy@soe.ucsc.edu>
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*/
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#include "ns3/boolean.h"
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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/flow-monitor-helper.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/ipv4-list-routing-helper.h"
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#include "ns3/ipv4-static-routing-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/olsr-helper.h"
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#include "ns3/on-off-helper.h"
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#include "ns3/rectangle.h"
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#include "ns3/string.h"
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#include "ns3/uinteger.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("multirate");
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/**
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* WiFi multirate 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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* Scenarios: 100 nodes, multiple simultaneous flows, multi-hop ad hoc, routing,
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* and mobility
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*
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* QUICK INSTRUCTIONS:
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*
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* To optimize build:
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* ./ns3 configure -d optimized
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* ./ns3
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*
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* To compile:
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* ./ns3 run wifi-multirate
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*
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* To compile with command line(useful for varying parameters):
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* ./ns3 run "wifi-multirate --totalTime=0.3s --rateManager=ns3::MinstrelWifiManager"
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*
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* To turn on NS_LOG:
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* export NS_LOG=multirate=level_all
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* (can only view log if built with ./ns3 configure -d debug)
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*
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* To debug:
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* ./ns3 shell
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* gdb ./build/debug/examples/wireless/wifi-multirate
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*
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* To view pcap files:
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* tcpdump -nn -tt -r filename.pcap
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*
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* To monitor the files:
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* tail -f filename.pcap
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*
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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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* \brief Construct a new Experiment object
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*
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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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* \param mobility The MobilityHelper class.
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* \return a 2D dataset of the experiment data.
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*/
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Gnuplot2dDataset 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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const MobilityHelper& mobility);
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/**
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* \brief Setup the experiment from the command line arguments.
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*
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* \param argc The argument count.
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* \param argv The argument vector.
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* \return true
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*/
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bool CommandSetup(int argc, char** argv);
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/**
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* \brief Check if routing is enabled.
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*
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* \return true if routing is enabled.
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*/
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bool IsRouting() const
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{
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return m_enableRouting;
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}
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/**
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* \brief Check if mobility is enabled.
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*
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* \return true if mobility is enabled.
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*/
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bool IsMobility() const
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{
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return m_enableMobility;
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}
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/**
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* \brief Get the Scenario number.
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*
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* \return the scenario number.
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*/
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uint32_t GetScenario() const
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{
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return m_scenario;
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}
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/**
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* \brief Get the RTS Threshold.
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*
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* \return the RTS Threshold.
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*/
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std::string GetRtsThreshold() const
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{
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return m_rtsThreshold;
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}
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/**
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* \brief Get the Output File Name.
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*
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* \return the Output File Name.
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*/
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std::string GetOutputFileName() const
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{
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return m_outputFileName;
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}
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/**
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* \brief Get the Rate Manager.
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*
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* \return the Rate Manager.
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*/
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std::string GetRateManager() const
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{
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return m_rateManager;
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}
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private:
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/**
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* \brief Setup the receiving socket.
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*
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* \param node The receiving node.
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* \return the Rx socket.
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*/
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Ptr<Socket> SetupPacketReceive(Ptr<Node> node);
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/**
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* Generate 1-hop and 2-hop neighbors of a node in grid topology
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* \param c The node container.
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* \param senderId The sender ID.
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* \return the neighbor nodes.
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*/
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NodeContainer GenerateNeighbors(NodeContainer c, uint32_t senderId);
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/**
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* \brief Setup the application in the nodes.
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*
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* \param client Client node.
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* \param server Server node.
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* \param start Start time.
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* \param stop Stop time.
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*/
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void ApplicationSetup(Ptr<Node> client, Ptr<Node> server, double start, double stop);
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/**
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* Take the grid map, divide it into 4 quadrants
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* Assign all nodes from each quadrant to a specific container
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*
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* \param c The node container.
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*/
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void AssignNeighbors(NodeContainer c);
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/**
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* Sources and destinations are randomly selected such that a node
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* may be the source for multiple destinations and a node maybe a destination
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* for multiple sources.
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*
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* \param c The node container.
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*/
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void SelectSrcDest(NodeContainer c);
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/**
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* \brief Receive a packet.
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*
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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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* \brief Calculate the throughput.
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*/
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void CheckThroughput();
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/**
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* A sender node will set up a flow to each of the its neighbors
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* in its quadrant randomly. All the flows are exponentially distributed.
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*
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* \param sender The sender node.
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* \param c The node neighbors.
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*/
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void SendMultiDestinations(Ptr<Node> sender, NodeContainer c);
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Gnuplot2dDataset m_output; //!< Output dataset.
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double m_totalTime; //!< Total experiment time.
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double m_expMean; //!< Exponential parameter for sending packets.
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double m_samplingPeriod; //!< Sampling period.
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uint32_t m_bytesTotal; //!< Total number of received bytes.
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uint32_t m_packetSize; //!< Packet size.
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uint32_t m_gridSize; //!< Grid size.
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uint32_t m_nodeDistance; //!< Node distance.
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uint32_t m_port; //!< Listening port.
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uint32_t m_scenario; //!< Scenario number.
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bool m_enablePcap; //!< True if PCAP output is enabled.
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bool m_enableTracing; //!< True if tracing output is enabled.
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bool m_enableFlowMon; //!< True if FlowMon is enabled.
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bool m_enableRouting; //!< True if routing is enabled.
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bool m_enableMobility; //!< True if mobility is enabled.
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/**
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* Node containers for each quadrant.
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* @{
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*/
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NodeContainer m_containerA;
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NodeContainer m_containerB;
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NodeContainer m_containerC;
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NodeContainer m_containerD;
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/** @} */
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std::string m_rtsThreshold; //!< Rts threshold.
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std::string m_rateManager; //!< Rate manager.
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std::string m_outputFileName; //!< Output file name.
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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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m_totalTime(0.3),
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m_expMean(0.1),
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// flows being exponentially distributed
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m_samplingPeriod(0.1),
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m_bytesTotal(0),
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m_packetSize(2000),
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m_gridSize(10),
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// 10x10 grid for a total of 100 nodes
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m_nodeDistance(30),
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m_port(5000),
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m_scenario(4),
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m_enablePcap(false),
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m_enableTracing(true),
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m_enableFlowMon(false),
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m_enableRouting(false),
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m_enableMobility(false),
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m_rtsThreshold("2200"),
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// 0 for enabling rts/cts
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m_rateManager("ns3::MinstrelWifiManager"),
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m_outputFileName("minstrel")
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{
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m_output.SetStyle(Gnuplot2dDataset::LINES);
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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(), m_port);
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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::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_bytesTotal += packet->GetSize();
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}
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}
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void
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Experiment::CheckThroughput()
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{
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double mbs = ((m_bytesTotal * 8.0) / 1000000 / m_samplingPeriod);
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m_bytesTotal = 0;
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m_output.Add((Simulator::Now()).GetSeconds(), mbs);
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// check throughput every samplingPeriod second
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Simulator::Schedule(Seconds(m_samplingPeriod), &Experiment::CheckThroughput, this);
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}
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void
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Experiment::AssignNeighbors(NodeContainer c)
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{
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uint32_t totalNodes = c.GetN();
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for (uint32_t i = 0; i < totalNodes; i++)
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{
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if ((i % m_gridSize) <= (m_gridSize / 2 - 1))
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{
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// lower left quadrant
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if (i < totalNodes / 2)
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{
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m_containerA.Add(c.Get(i));
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}
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// upper left quadrant
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if (i >= (uint32_t)(4 * totalNodes) / 10)
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{
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m_containerC.Add(c.Get(i));
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}
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}
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if ((i % m_gridSize) >= (m_gridSize / 2 - 1))
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{
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// lower right quadrant
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if (i < totalNodes / 2)
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{
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m_containerB.Add(c.Get(i));
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}
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// upper right quadrant
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if (i >= (uint32_t)(4 * totalNodes) / 10)
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{
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m_containerD.Add(c.Get(i));
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}
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}
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}
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}
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NodeContainer
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Experiment::GenerateNeighbors(NodeContainer c, uint32_t senderId)
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{
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NodeContainer nc;
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uint32_t limit = senderId + 2;
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for (uint32_t i = senderId - 2; i <= limit; i++)
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{
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// must ensure the boundaries for other topologies
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nc.Add(c.Get(i));
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nc.Add(c.Get(i + 10));
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nc.Add(c.Get(i + 20));
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nc.Add(c.Get(i - 10));
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nc.Add(c.Get(i - 20));
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}
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return nc;
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}
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void
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Experiment::SelectSrcDest(NodeContainer c)
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{
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uint32_t totalNodes = c.GetN();
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Ptr<UniformRandomVariable> uvSrc = CreateObject<UniformRandomVariable>();
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uvSrc->SetAttribute("Min", DoubleValue(0));
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uvSrc->SetAttribute("Max", DoubleValue(totalNodes / 2 - 1));
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Ptr<UniformRandomVariable> uvDest = CreateObject<UniformRandomVariable>();
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uvDest->SetAttribute("Min", DoubleValue(totalNodes / 2));
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uvDest->SetAttribute("Max", DoubleValue(totalNodes));
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for (uint32_t i = 0; i < totalNodes / 3; i++)
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{
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ApplicationSetup(c.Get(uvSrc->GetInteger()), c.Get(uvDest->GetInteger()), 0, m_totalTime);
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}
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}
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void
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Experiment::SendMultiDestinations(Ptr<Node> sender, NodeContainer c)
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{
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// UniformRandomVariable params: (Xrange, Yrange)
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Ptr<UniformRandomVariable> uv = CreateObject<UniformRandomVariable>();
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uv->SetAttribute("Min", DoubleValue(0));
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uv->SetAttribute("Max", DoubleValue(c.GetN()));
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// ExponentialRandomVariable params: (mean, upperbound)
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Ptr<ExponentialRandomVariable> ev = CreateObject<ExponentialRandomVariable>();
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ev->SetAttribute("Mean", DoubleValue(m_expMean));
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ev->SetAttribute("Bound", DoubleValue(m_totalTime));
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double start = 0.0;
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double stop;
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uint32_t destIndex;
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for (uint32_t i = 0; i < c.GetN(); i++)
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{
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stop = start + ev->GetValue();
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NS_LOG_DEBUG("Start=" << start << " Stop=" << stop);
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do
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{
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destIndex = (uint32_t)uv->GetValue();
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} while ((c.Get(destIndex))->GetId() == sender->GetId());
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ApplicationSetup(sender, c.Get(destIndex), start, stop);
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start = stop;
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if (start > m_totalTime)
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{
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break;
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}
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}
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}
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/**
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* Print the position of two nodes.
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*
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* \param client Client node.
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* \param server Server node.
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* \return a string with the nodes data and positions
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*/
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static inline std::string
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PrintPosition(Ptr<Node> client, Ptr<Node> server)
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{
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Vector serverPos = server->GetObject<MobilityModel>()->GetPosition();
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Vector clientPos = client->GetObject<MobilityModel>()->GetPosition();
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Ptr<Ipv4> ipv4Server = server->GetObject<Ipv4>();
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Ptr<Ipv4> ipv4Client = client->GetObject<Ipv4>();
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Ipv4InterfaceAddress iaddrServer = ipv4Server->GetAddress(1, 0);
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Ipv4InterfaceAddress iaddrClient = ipv4Client->GetAddress(1, 0);
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Ipv4Address ipv4AddrServer = iaddrServer.GetLocal();
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Ipv4Address ipv4AddrClient = iaddrClient.GetLocal();
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std::ostringstream oss;
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oss << "Set up Server Device " << (server->GetDevice(0))->GetAddress() << " with ip "
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<< ipv4AddrServer << " position (" << serverPos.x << "," << serverPos.y << ","
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<< serverPos.z << ")";
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oss << "Set up Client Device " << (client->GetDevice(0))->GetAddress() << " with ip "
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<< ipv4AddrClient << " position (" << clientPos.x << "," << clientPos.y << ","
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<< clientPos.z << ")"
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<< "\n";
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return oss.str();
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}
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void
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Experiment::ApplicationSetup(Ptr<Node> client, Ptr<Node> server, double start, double stop)
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{
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Ptr<Ipv4> ipv4Server = server->GetObject<Ipv4>();
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Ipv4InterfaceAddress iaddrServer = ipv4Server->GetAddress(1, 0);
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Ipv4Address ipv4AddrServer = iaddrServer.GetLocal();
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NS_LOG_DEBUG(PrintPosition(client, server));
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// Equipping the source node with OnOff Application used for sending
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OnOffHelper onoff("ns3::UdpSocketFactory",
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Address(InetSocketAddress(Ipv4Address("10.0.0.1"), m_port)));
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onoff.SetConstantRate(DataRate(60000000));
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onoff.SetAttribute("PacketSize", UintegerValue(m_packetSize));
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onoff.SetAttribute("Remote", AddressValue(InetSocketAddress(ipv4AddrServer, m_port)));
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ApplicationContainer apps = onoff.Install(client);
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apps.Start(Seconds(start));
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apps.Stop(Seconds(stop));
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Ptr<Socket> sink = SetupPacketReceive(server);
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}
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Gnuplot2dDataset
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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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const MobilityHelper& mobility)
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{
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uint32_t nodeSize = m_gridSize * m_gridSize;
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NodeContainer c;
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c.Create(nodeSize);
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YansWifiPhyHelper phy = wifiPhy;
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phy.SetChannel(wifiChannel.Create());
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NetDeviceContainer devices = wifi.Install(phy, wifiMac, c);
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OlsrHelper olsr;
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Ipv4StaticRoutingHelper staticRouting;
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Ipv4ListRoutingHelper list;
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if (m_enableRouting)
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{
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list.Add(staticRouting, 0);
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list.Add(olsr, 10);
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}
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InternetStackHelper internet;
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if (m_enableRouting)
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{
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internet.SetRoutingHelper(list); // has effect on the next Install ()
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}
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internet.Install(c);
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Ipv4AddressHelper address;
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address.SetBase("10.0.0.0", "255.255.255.0");
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Ipv4InterfaceContainer ipInterfaces;
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ipInterfaces = address.Assign(devices);
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MobilityHelper mobil = mobility;
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mobil.SetPositionAllocator("ns3::GridPositionAllocator",
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"MinX",
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DoubleValue(0.0),
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"MinY",
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DoubleValue(0.0),
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"DeltaX",
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DoubleValue(m_nodeDistance),
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"DeltaY",
|
|
DoubleValue(m_nodeDistance),
|
|
"GridWidth",
|
|
UintegerValue(m_gridSize),
|
|
"LayoutType",
|
|
StringValue("RowFirst"));
|
|
|
|
mobil.SetMobilityModel("ns3::ConstantPositionMobilityModel");
|
|
|
|
if (m_enableMobility && m_enableRouting)
|
|
{
|
|
// Rectangle (xMin, xMax, yMin, yMax)
|
|
mobil.SetMobilityModel("ns3::RandomDirection2dMobilityModel",
|
|
"Bounds",
|
|
RectangleValue(Rectangle(0, 500, 0, 500)),
|
|
"Speed",
|
|
StringValue("ns3::ConstantRandomVariable[Constant=10]"),
|
|
"Pause",
|
|
StringValue("ns3::ConstantRandomVariable[Constant=0.2]"));
|
|
}
|
|
mobil.Install(c);
|
|
|
|
if (m_scenario == 1 && m_enableRouting)
|
|
{
|
|
SelectSrcDest(c);
|
|
}
|
|
else if (m_scenario == 2)
|
|
{
|
|
// All flows begin at the same time
|
|
for (uint32_t i = 0; i < nodeSize - 1; i = i + 2)
|
|
{
|
|
ApplicationSetup(c.Get(i), c.Get(i + 1), 0, m_totalTime);
|
|
}
|
|
}
|
|
else if (m_scenario == 3)
|
|
{
|
|
AssignNeighbors(c);
|
|
// Note: these senders are hand-picked in order to ensure good coverage
|
|
// for 10x10 grid, basically one sender for each quadrant
|
|
// you might have to change these values for other grids
|
|
NS_LOG_DEBUG(">>>>>>>>>region A<<<<<<<<<");
|
|
SendMultiDestinations(c.Get(22), m_containerA);
|
|
|
|
NS_LOG_DEBUG(">>>>>>>>>region B<<<<<<<<<");
|
|
SendMultiDestinations(c.Get(26), m_containerB);
|
|
|
|
NS_LOG_DEBUG(">>>>>>>>>region C<<<<<<<<<");
|
|
SendMultiDestinations(c.Get(72), m_containerC);
|
|
|
|
NS_LOG_DEBUG(">>>>>>>>>region D<<<<<<<<<");
|
|
SendMultiDestinations(c.Get(76), m_containerD);
|
|
}
|
|
else if (m_scenario == 4)
|
|
{
|
|
// GenerateNeighbors(NodeContainer, uint32_t sender)
|
|
// Note: these senders are hand-picked in order to ensure good coverage
|
|
// you might have to change these values for other grids
|
|
NodeContainer c1;
|
|
NodeContainer c2;
|
|
NodeContainer c3;
|
|
NodeContainer c4;
|
|
NodeContainer c5;
|
|
NodeContainer c6;
|
|
NodeContainer c7;
|
|
NodeContainer c8;
|
|
NodeContainer c9;
|
|
|
|
c1 = GenerateNeighbors(c, 22);
|
|
c2 = GenerateNeighbors(c, 24);
|
|
c3 = GenerateNeighbors(c, 26);
|
|
c4 = GenerateNeighbors(c, 42);
|
|
c5 = GenerateNeighbors(c, 44);
|
|
c6 = GenerateNeighbors(c, 46);
|
|
c7 = GenerateNeighbors(c, 62);
|
|
c8 = GenerateNeighbors(c, 64);
|
|
c9 = GenerateNeighbors(c, 66);
|
|
|
|
SendMultiDestinations(c.Get(22), c1);
|
|
SendMultiDestinations(c.Get(24), c2);
|
|
SendMultiDestinations(c.Get(26), c3);
|
|
SendMultiDestinations(c.Get(42), c4);
|
|
SendMultiDestinations(c.Get(44), c5);
|
|
SendMultiDestinations(c.Get(46), c6);
|
|
SendMultiDestinations(c.Get(62), c7);
|
|
SendMultiDestinations(c.Get(64), c8);
|
|
SendMultiDestinations(c.Get(66), c9);
|
|
}
|
|
|
|
CheckThroughput();
|
|
|
|
if (m_enablePcap)
|
|
{
|
|
phy.SetPcapDataLinkType(WifiPhyHelper::DLT_IEEE802_11_RADIO);
|
|
phy.EnablePcapAll(GetOutputFileName());
|
|
}
|
|
|
|
if (m_enableTracing)
|
|
{
|
|
AsciiTraceHelper ascii;
|
|
phy.EnableAsciiAll(ascii.CreateFileStream(GetOutputFileName() + ".tr"));
|
|
}
|
|
|
|
FlowMonitorHelper flowmonHelper;
|
|
|
|
if (m_enableFlowMon)
|
|
{
|
|
flowmonHelper.InstallAll();
|
|
}
|
|
|
|
Simulator::Stop(Seconds(m_totalTime));
|
|
Simulator::Run();
|
|
|
|
if (m_enableFlowMon)
|
|
{
|
|
flowmonHelper.SerializeToXmlFile((GetOutputFileName() + ".flomon"), false, false);
|
|
}
|
|
|
|
Simulator::Destroy();
|
|
|
|
return m_output;
|
|
}
|
|
|
|
bool
|
|
Experiment::CommandSetup(int argc, char** argv)
|
|
{
|
|
// for commandline input
|
|
CommandLine cmd(__FILE__);
|
|
cmd.AddValue("packetSize", "packet size", m_packetSize);
|
|
cmd.AddValue("totalTime", "simulation time", m_totalTime);
|
|
// according to totalTime, select an appropriate samplingPeriod automatically.
|
|
if (m_totalTime < 1.0)
|
|
{
|
|
m_samplingPeriod = 0.1;
|
|
}
|
|
else
|
|
{
|
|
m_samplingPeriod = 1.0;
|
|
}
|
|
// or user selects a samplingPeriod.
|
|
cmd.AddValue("samplingPeriod", "sampling period", m_samplingPeriod);
|
|
cmd.AddValue("rtsThreshold", "rts threshold", m_rtsThreshold);
|
|
cmd.AddValue("rateManager", "type of rate", m_rateManager);
|
|
cmd.AddValue("outputFileName", "output filename", m_outputFileName);
|
|
cmd.AddValue("enableRouting", "enable Routing", m_enableRouting);
|
|
cmd.AddValue("enableMobility", "enable Mobility", m_enableMobility);
|
|
cmd.AddValue("scenario", "scenario ", m_scenario);
|
|
|
|
cmd.Parse(argc, argv);
|
|
return true;
|
|
}
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
Experiment experiment;
|
|
experiment = Experiment("multirate");
|
|
|
|
// for commandline input
|
|
experiment.CommandSetup(argc, argv);
|
|
|
|
std::ofstream outfile(experiment.GetOutputFileName() + ".plt");
|
|
|
|
MobilityHelper mobility;
|
|
Gnuplot gnuplot;
|
|
Gnuplot2dDataset dataset;
|
|
|
|
WifiHelper wifi;
|
|
WifiMacHelper wifiMac;
|
|
YansWifiPhyHelper wifiPhy;
|
|
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default();
|
|
|
|
wifiMac.SetType("ns3::AdhocWifiMac", "Ssid", StringValue("Testbed"));
|
|
wifi.SetStandard(WIFI_STANDARD_80211a);
|
|
wifi.SetRemoteStationManager(experiment.GetRateManager());
|
|
|
|
NS_LOG_INFO("Scenario: " << experiment.GetScenario());
|
|
NS_LOG_INFO("Rts Threshold: " << experiment.GetRtsThreshold());
|
|
NS_LOG_INFO("Name: " << experiment.GetOutputFileName());
|
|
NS_LOG_INFO("Rate: " << experiment.GetRateManager());
|
|
NS_LOG_INFO("Routing: " << experiment.IsRouting());
|
|
NS_LOG_INFO("Mobility: " << experiment.IsMobility());
|
|
|
|
dataset = experiment.Run(wifi, wifiPhy, wifiMac, wifiChannel, mobility);
|
|
|
|
gnuplot.AddDataset(dataset);
|
|
gnuplot.GenerateOutput(outfile);
|
|
|
|
return 0;
|
|
}
|