713 lines
20 KiB
C++
713 lines
20 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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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: Duy Nguyen <duy@soe.ucsc.edu>
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*/
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#include "ns3/gnuplot.h"
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#include "ns3/command-line.h"
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#include "ns3/config.h"
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#include "ns3/uinteger.h"
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#include "ns3/boolean.h"
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#include "ns3/double.h"
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#include "ns3/string.h"
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#include "ns3/log.h"
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#include "ns3/yans-wifi-helper.h"
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#include "ns3/mobility-helper.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/on-off-helper.h"
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#include "ns3/yans-wifi-channel.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/ipv4-static-routing-helper.h"
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#include "ns3/ipv4-list-routing-helper.h"
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#include "ns3/rectangle.h"
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#include "ns3/flow-monitor-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, const YansWifiPhyHelper &wifiPhy,
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const WifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel, 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 ()
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{
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return (m_enableRouting == 1) ? 1 : 0;
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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 ()
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{
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return (m_enableMobility == 1) ? 1 : 0;
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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 ()
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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 ()
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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 ()
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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 ()
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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; //!< Scnario 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, 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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}
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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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static inline Vector
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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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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 = GetPosition (server);
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Vector clientPos = GetPosition (client);
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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 ()
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<< " with ip " << ipv4AddrServer
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<< " position (" << serverPos.x << "," << serverPos.y << "," << serverPos.z << ")";
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oss << "Set up Client Device " << (client->GetDevice (0))->GetAddress ()
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<< " with ip " << ipv4AddrClient
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<< " position (" << clientPos.x << "," << clientPos.y << "," << 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", 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, const YansWifiPhyHelper &wifiPhy,
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const WifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel, 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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WifiMacHelper mac = wifiMac;
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NetDeviceContainer devices = wifi.Install (phy, mac, 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", DoubleValue (0.0),
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"MinY", DoubleValue (0.0),
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"DeltaX", 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, c2, c3, c4, c5, c6, c7, c8, 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").c_str ());
|
|
|
|
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;
|
|
}
|