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/*
* SPDX-License-Identifier: GPL-2.0-only
*/
#include "ns3/applications-module.h"
#include "ns3/core-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-module.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/network-module.h"
#include "ns3/point-to-point-module.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 = 3;
CommandLine cmd(__FILE__);
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);
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute("DataRate", StringValue("5Mbps"));
pointToPoint.SetChannelAttribute("Delay", StringValue("2ms"));
NetDeviceContainer p2pDevices;
p2pDevices = pointToPoint.Install(p2pNodes);
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(csmaNodes);
Ipv4AddressHelper address;
address.SetBase("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer p2pInterfaces;
p2pInterfaces = address.Assign(p2pDevices);
address.SetBase("10.1.2.0", "255.255.255.0");
Ipv4InterfaceContainer csmaInterfaces;
csmaInterfaces = address.Assign(csmaDevices);
UdpEchoServerHelper echoServer(9);
ApplicationContainer serverApps = echoServer.Install(csmaNodes.Get(nCsma));
serverApps.Start(Seconds(1));
serverApps.Stop(Seconds(10));
UdpEchoClientHelper echoClient(csmaInterfaces.GetAddress(nCsma), 9);
echoClient.SetAttribute("MaxPackets", UintegerValue(1));
echoClient.SetAttribute("Interval", TimeValue(Seconds(1)));
echoClient.SetAttribute("PacketSize", UintegerValue(1024));
ApplicationContainer clientApps = echoClient.Install(p2pNodes.Get(0));
clientApps.Start(Seconds(2));
clientApps.Stop(Seconds(10));
Ipv4GlobalRoutingHelper::PopulateRoutingTables();
pointToPoint.EnablePcapAll("second");
csma.EnablePcap("second", csmaDevices.Get(1), true);
Simulator::Run();
Simulator::Destroy();
return 0;
}
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