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second.cc
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second.cc
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#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/applications-module.h"
#include "ns3/ipv4-global-routing-helper.h"
// Default Network Topology
//
// 10.1.1.0
// n0 -------------- n1 n2 n3 n4
// point-to-point | | | |
// ================
// LAN 10.1.2.0
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("SecondScriptExample");
int main (int argc, char *argv[])
{
bool verbose = true;
uint32_t nCsma = 2;
CommandLine cmd;
cmd.AddValue ("nCsma", "Number of \"extra\" CSMA nodes/devices", nCsma);
cmd.AddValue ("verbose", "Tell echo applications to log if true", verbose);
cmd.Parse (argc,argv);
if (verbose)
{
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
}
nCsma = nCsma == 0 ? 1 : nCsma;
NodeContainer p2pNodes;
p2pNodes.Create (2);
NodeContainer csmaNodes;
csmaNodes.Add (p2pNodes.Get (1));
csmaNodes.Create (nCsma);
NodeContainer p2pNodes1;
p2pNodes1.Add (csmaNodes.Get (nCsma));
p2pNodes1.Create (1);
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer p2pDevices,p2pDevices1;
p2pDevices = pointToPoint.Install (p2pNodes);
p2pDevices1 = pointToPoint.Install (p2pNodes1);
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
csma.SetChannelAttribute ("Delay", TimeValue (NanoSeconds (6560)));
NetDeviceContainer csmaDevices;
csmaDevices = csma.Install (csmaNodes);
InternetStackHelper stack;
stack.Install (p2pNodes.Get (0));
stack.Install (p2pNodes1.Get (1));
stack.Install (csmaNodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer p2pInterfaces;
p2pInterfaces = address.Assign (p2pDevices);
address.SetBase ("10.1.3.0", "255.255.255.0");
Ipv4InterfaceContainer p2pInterfaces1;
p2pInterfaces1 = address.Assign (p2pDevices1);
address.SetBase ("10.1.2.0", "255.255.255.0");
Ipv4InterfaceContainer csmaInterfaces;
csmaInterfaces = address.Assign (csmaDevices);
UdpEchoServerHelper echoServer (9);
UdpEchoServerHelper echoServer1 (10);
ApplicationContainer serverApps = echoServer.Install (csmaNodes.Get (nCsma-1));
serverApps.Start (Seconds (1.0));
serverApps.Stop (Seconds (10.0));
ApplicationContainer serverApps1 = echoServer1.Install (csmaNodes.Get (nCsma-1));
serverApps1.Start (Seconds (1.0));
serverApps1.Stop (Seconds (10.0));
UdpEchoClientHelper echoClient (csmaInterfaces.GetAddress (nCsma-1), 9);
echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
UdpEchoClientHelper echoClient1 (csmaInterfaces.GetAddress (nCsma-1), 10);
echoClient1.SetAttribute ("MaxPackets", UintegerValue (1));
echoClient1.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
echoClient1.SetAttribute ("PacketSize", UintegerValue (1024));
ApplicationContainer clientApps = echoClient.Install (p2pNodes.Get (0));
clientApps.Start (Seconds (2.0));
clientApps.Stop (Seconds (10.0));
ApplicationContainer clientApps1 = echoClient1.Install (p2pNodes1.Get (1));
clientApps1.Start (Seconds (2.0));
clientApps1.Stop (Seconds (10.0));
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
pointToPoint.EnablePcapAll ("second");
csma.EnablePcap ("second", csmaDevices.Get (1), true);
Simulator::Run ();
Simulator::Destroy ();
return 0;
}