261 lines
8.4 KiB
C++
261 lines
8.4 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2008,2009 IITP RAS
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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: Kirill Andreev <andreev@iitp.ru>
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*
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*
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* By default this script creates m_xSize * m_ySize square grid topology with
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* IEEE802.11s stack installed at each node with peering management
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* and HWMP protocol.
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* The side of the square cell is defined by m_step parameter.
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* When topology is created, UDP ping is installed to opposite corners
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* by diagonals. packet size of the UDP ping and interval between two
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* successive packets is configurable.
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*
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* m_xSize * step
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* |<--------->|
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* step
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* |<--->|
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* * --- * --- * <---Ping sink _
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* | \ | / | ^
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* | \ | / | |
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* * --- * --- * m_ySize * step |
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* | / | \ | |
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* | / | \ | |
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* * --- * --- * _
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* ^ Ping source
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*
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* See also MeshTest::Configure to read more about configurable
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* parameters.
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*/
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#include "ns3/core-module.h"
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/helper-module.h"
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#include "ns3/global-routing-module.h"
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#include "ns3/wifi-module.h"
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#include "ns3/mesh-module.h"
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#include "ns3/mobility-module.h"
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#include "ns3/mesh-helper.h"
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#include <iostream>
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#include <sstream>
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#include <fstream>
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("TestMeshScript");
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class MeshTest
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{
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public:
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/// Init test
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MeshTest ();
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/// Configure test from command line arguments
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void Configure (int argc, char ** argv);
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/// Run test
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int Run ();
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private:
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int m_xSize;
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int m_ySize;
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double m_step;
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double m_randomStart;
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double m_totalTime;
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double m_packetInterval;
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uint16_t m_packetSize;
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uint32_t m_nIfaces;
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bool m_chan;
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bool m_pcap;
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std::string m_stack;
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std::string m_root;
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/// List of network nodes
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NodeContainer nodes;
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/// List of all mesh point devices
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NetDeviceContainer meshDevices;
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//Addresses of interfaces:
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Ipv4InterfaceContainer interfaces;
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// MeshHelper. Report is not static methods
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MeshHelper mesh;
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private:
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/// Create nodes and setup their mobility
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void CreateNodes ();
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/// Install internet m_stack on nodes
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void InstallInternetStack ();
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/// Install applications
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void InstallApplication ();
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/// Print mesh devices diagnostics
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void Report ();
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};
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MeshTest::MeshTest () :
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m_xSize (3),
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m_ySize (3),
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m_step (100.0),
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m_randomStart (0.1),
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m_totalTime (100.0),
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m_packetInterval (0.1),
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m_packetSize (1024),
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m_nIfaces (1),
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m_chan (true),
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m_pcap (false),
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m_stack ("ns3::Dot11sStack"),
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m_root ("ff:ff:ff:ff:ff:ff")
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{
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}
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void
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MeshTest::Configure (int argc, char *argv[])
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{
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CommandLine cmd;
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cmd.AddValue ("x-size", "Number of nodes in a row grid. [6]", m_xSize);
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cmd.AddValue ("y-size", "Number of rows in a grid. [6]", m_ySize);
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cmd.AddValue ("step", "Size of edge in our grid, meters. [100 m]", m_step);
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/*
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* As soon as starting node means that it sends a beacon,
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* simultaneous start is not good.
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*/
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cmd.AddValue ("start", "Maximum random start delay, seconds. [0.1 s]", m_randomStart);
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cmd.AddValue ("time", "Simulation time, seconds [100 s]", m_totalTime);
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cmd.AddValue ("packet-interval", "Interval between packets in UDP ping, seconds [0.001 s]", m_packetInterval);
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cmd.AddValue ("packet-size", "Size of packets in UDP ping", m_packetSize);
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cmd.AddValue ("interfaces", "Number of radio interfaces used by each mesh point. [1]", m_nIfaces);
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cmd.AddValue ("channels", "Use different frequency channels for different interfaces. [0]", m_chan);
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cmd.AddValue ("pcap", "Enable PCAP traces on interfaces. [0]", m_pcap);
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cmd.AddValue ("stack", "Type of protocol stack. ns3::Dot11sStack by default", m_stack);
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cmd.AddValue ("root", "Mac address of root mesh point in HWMP", m_root);
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cmd.Parse (argc, argv);
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NS_LOG_DEBUG ("Grid:" << m_xSize << "*" << m_ySize);
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NS_LOG_DEBUG ("Simulation time: " << m_totalTime << " s");
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}
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void
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MeshTest::CreateNodes ()
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{
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/*
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* Create m_ySize*m_xSize stations to form a grid topology
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*/
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nodes.Create (m_ySize*m_xSize);
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// Configure YansWifiChannel
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YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
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YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
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wifiPhy.SetChannel (wifiChannel.Create ());
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/*
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* Create mesh helper and set stack installer to it
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* Stack installer creates all needed protocols and install them to
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* mesh point device
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*/
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mesh = MeshHelper::Default ();
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if (!Mac48Address (m_root.c_str ()).IsBroadcast ())
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{
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mesh.SetStackInstaller (m_stack, "Root", Mac48AddressValue (Mac48Address (m_root.c_str ())));
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}
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else
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{
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//If root is not set, we do not use "Root" attribute, because it
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//is specified only for 11s
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mesh.SetStackInstaller (m_stack);
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}
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if (m_chan)
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{
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mesh.SetSpreadInterfaceChannels (MeshHelper::SPREAD_CHANNELS);
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}
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else
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{
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mesh.SetSpreadInterfaceChannels (MeshHelper::ZERO_CHANNEL);
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}
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mesh.SetMacType ("RandomStart", TimeValue (Seconds(m_randomStart)));
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// Set number of interfaces - default is single-interface mesh point
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mesh.SetNumberOfInterfaces (m_nIfaces);
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// Install protocols and return container if MeshPointDevices
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meshDevices = mesh.Install (wifiPhy, nodes);
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// Setup mobility - static grid topology
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MobilityHelper mobility;
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mobility.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_step),
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"DeltaY", DoubleValue (m_step),
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"GridWidth", UintegerValue (m_xSize),
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"LayoutType", StringValue ("RowFirst"));
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mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
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mobility.Install (nodes);
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if (m_pcap)
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wifiPhy.EnablePcapAll (std::string ("mp-"));
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}
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void
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MeshTest::InstallInternetStack ()
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{
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InternetStackHelper internetStack;
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internetStack.Install (nodes);
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Ipv4AddressHelper address;
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address.SetBase ("10.1.1.0", "255.255.255.0");
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interfaces = address.Assign (meshDevices);
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}
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void
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MeshTest::InstallApplication ()
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{
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UdpEchoServerHelper echoServer (9);
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ApplicationContainer serverApps = echoServer.Install (nodes.Get (0));
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serverApps.Start (Seconds (0.0));
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serverApps.Stop (Seconds (m_totalTime));
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UdpEchoClientHelper echoClient (interfaces.GetAddress (0), 9);
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echoClient.SetAttribute ("MaxPackets", UintegerValue ((uint32_t)(m_totalTime*(1/m_packetInterval))));
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echoClient.SetAttribute ("Interval", TimeValue (Seconds (m_packetInterval)));
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echoClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize));
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ApplicationContainer clientApps = echoClient.Install (nodes.Get (m_xSize*m_ySize-1));
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clientApps.Start (Seconds (0.0));
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clientApps.Stop (Seconds (m_totalTime));
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}
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int
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MeshTest::Run ()
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{
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CreateNodes ();
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InstallInternetStack ();
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InstallApplication ();
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Simulator::Schedule (Seconds(m_totalTime), & MeshTest::Report, this);
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Simulator::Stop (Seconds (m_totalTime));
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Simulator::Run ();
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Simulator::Destroy ();
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return 0;
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}
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void
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MeshTest::Report ()
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{
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unsigned n (0);
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for (NetDeviceContainer::Iterator i = meshDevices.Begin (); i != meshDevices.End (); ++i, ++n)
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{
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std::ostringstream os;
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os << "mp-report-" << n << ".xml";
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std::cerr << "Printing mesh point device #" << n << " diagnostics to " << os.str () << "\n";
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std::ofstream of;
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of.open (os.str().c_str());
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if (! of.is_open ())
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{
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std::cerr << "Error: Can't open file " << os.str() << "\n";
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return;
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}
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mesh.Report (*i, of);
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of.close ();
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}
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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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MeshTest t;
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t.Configure (argc, argv);
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return t.Run();
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}
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