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easy.cc
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/*
//network topology
//
// n6 n7
// | /p2p
// | /
// n0 n4---------------------n5
// p2p \ /p2p csma/cd \
// \ / \
// n2 n8
// / \p2p
// p2p / \
// n1 n
*/
#include "ns3/core-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/csma-module.h"
#include "ns3/network-module.h"
#include "ns3/internet-module.h"
#include "ns3/applications-module.h"
#include "ns3/mobility-module.h"
#include <iostream>
#include <fstream>
#include <string>
#include <cassert>
using namespace ns3;
NS_LOG_COMPONENT_DEFINE("EasyExample");
int main(int argc,char* argv[])
{
//Config::SetDefault("ns3::OnOffApplication::PacketSize",UintegerValue(210));
//Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));
//实时模拟
//GlobalValue::Bind("SimulatorImplementationType",StringValue ("ns3::RealtimeSimulatorImpl"));
Time::SetResolution(Time::NS);
LogComponentEnable("UdpEchoClientApplication",LOG_LEVEL_INFO);
LogComponentEnable("UdpEchoServerApplication",LOG_LEVEL_INFO);
CommandLine cmd;
cmd.Parse(argc,argv);
NS_LOG_INFO("Create some Nodes:");
NodeContainer nodes;
nodes.Create(9);
MobilityHelper mobility;
/*mobility.SetPositionAllocator("ns3::GridPositionAllocator",
"MinX",DoubleValue(0.0),
"MinY",DoubleValue(0.0)
"DeltaX",DoubleValue(10.0),
"DeltaY",DoubleValue(10.0),
//"GirdWidth",UintegerValue(10),//这儿出错了！！！
"LayoutType",StringValue("RowFirst")
);*/
mobility.SetMobilityModel("ns3::RandomWalk2dMobilityModel",//设置除了节点6以外的点为STA节点（在此设想为highway中的汽车）
"Bounds",RectangleValue(Rectangle(-200,200,-200,200)));
mobility.Install(nodes.Get(0));
mobility.Install(nodes.Get(1));
mobility.Install(nodes.Get(2));
mobility.Install(nodes.Get(3));
mobility.Install(nodes.Get(4));
mobility.Install(nodes.Get(5));
mobility.Install(nodes.Get(7));
mobility.Install(nodes.Get(8));
mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");//将节点6设置为AP节点，运动模型为固定不动（在highway中视为RSU）
mobility.Install(nodes.Get(6));
for (NodeContainer::Iterator j = nodes.Begin ();
j != nodes.End (); ++j)
{
Ptr<Node> object = *j;
Ptr<MobilityModel> position = object->GetObject<MobilityModel> ();
NS_ASSERT (position != 0);
Vector pos = position->GetPosition ();
std::cout << "x=" << pos.x << ", y=" << pos.y << ", z=" << pos.z << std::endl;
}
NodeContainer n0n2=NodeContainer(nodes.Get(0),nodes.Get(2));
NodeContainer n1n2=NodeContainer(nodes.Get(1),nodes.Get(2));
NodeContainer n2n3=NodeContainer(nodes.Get(2),nodes.Get(3));
NodeContainer n2n4=NodeContainer(nodes.Get(2),nodes.Get(4));
NodeContainer n5n8=NodeContainer(nodes.Get(5),nodes.Get(8));
NodeContainer n5n7=NodeContainer(nodes.Get(5),nodes.Get(7));
NodeContainer n4n6n5=NodeContainer(nodes.Get(4),nodes.Get(6),nodes.Get(5));
InternetStackHelper stacks;
stacks.Install(nodes);
std::cout<<"Create Channel:"<<std::endl;
PointToPointHelper p2p;
p2p.SetDeviceAttribute("DataRate",StringValue("5Mbps"));
p2p.SetChannelAttribute("Delay",StringValue("5ms"));
NetDeviceContainer d0d2=p2p.Install(n0n2);
NetDeviceContainer d1d2=p2p.Install(n1n2);
p2p.SetDeviceAttribute("DataRate",StringValue("10Mbps"));
p2p.SetChannelAttribute("Delay",StringValue("2ms"));
NetDeviceContainer d2d4=p2p.Install(n2n4);
NetDeviceContainer d2d3=p2p.Install(n2n3);
p2p.SetDeviceAttribute("DataRate",StringValue("5Mbps"));
p2p.SetChannelAttribute("Delay",StringValue("2ms"));
NetDeviceContainer d5d8=p2p.Install(n5n8);
NetDeviceContainer d5d7=p2p.Install(n5n7);
CsmaHelper csma;
csma.SetChannelAttribute("DataRate",StringValue("100Mbps"));
csma.SetChannelAttribute("Delay",StringValue("5ms"));
NetDeviceContainer d4d6d5=csma.Install(n4n6n5);
std::cout<<"Staring assign IP address:"<<std::endl;
Ipv4AddressHelper ipv4;
ipv4.SetBase("10.1.1.0","255.255.255.0");
Ipv4InterfaceContainer i0i2=ipv4.Assign(d0d2);
ipv4.SetBase("10.1.2.0","255.255.255.0");
ipv4.Assign(d1d2);
ipv4.SetBase("10.1.3.0","255.255.255.0");
ipv4.Assign(d2d3);
ipv4.SetBase("10.1.4.0","255.255.255.0");
ipv4.Assign(d2d4);
ipv4.SetBase("10.1.5.0","255.255.255.0");
Ipv4InterfaceContainer i5i7= ipv4.Assign(d5d7);
ipv4.SetBase("10.1.6.0","255.255.255.0");
Ipv4InterfaceContainer i5i8=ipv4.Assign(d5d8);
ipv4.SetBase("10.1.7.0","255.255.255.0");
ipv4.Assign(d4d6d5);
Ipv4GlobalRoutingHelper::PopulateRoutingTables();
NS_LOG_INFO("Creating Application:");
uint16_t port1 = 9000; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
InetSocketAddress (i0i2.GetAddress (0), port1));
onoff.SetConstantRate(DataRate("300bps"));
onoff.SetAttribute("PacketSize",UintegerValue(50));
for(int num=0;num<9;num++)
{
if(num!=5||num!=7)
{
ApplicationContainer apps=onoff.Install(nodes.Get(num));
apps.Start(Seconds(1.0));
apps.Stop(Seconds(20.0));
}
}
AsciiTraceHelper ascii;
Ptr<OutputStreamWrapper> stream=ascii.CreateFileStream("easy.tr");
p2p.EnableAsciiAll(stream);
csma.EnableAsciiAll(stream);
p2p.EnablePcapAll("easy");
csma.EnablePcapAll("easy",false);
std::cout<<"Run Simulation:"<<std::endl;
Simulator::Run();
Simulator::Destroy();
NS_LOG_INFO("Done!!!");
return 0;
}