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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/point-to-point-module.h"
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#include "ns3/ndnSIM-module.h"
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namespace ns3 {
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int
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main(int argc, char* argv[])
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{
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// setting default parameters for PointToPoint links and channels
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Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
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Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
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Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));
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// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
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CommandLine cmd;
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cmd.Parse(argc, argv);
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// Creating nodes
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NodeContainer nodes;
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nodes.Create(3);
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// Connecting nodes using two links
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PointToPointHelper p2p;
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p2p.Install(nodes.Get(0), nodes.Get(1));
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p2p.Install(nodes.Get(1), nodes.Get(2));
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// Install NDN stack on all nodes
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ndn::StackHelper ndnHelper;
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ndnHelper.SetDefaultRoutes(true);
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ndnHelper.setCsSize(1);
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ndnHelper.InstallAll();
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// Choosing forwarding strategy
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ndn::StrategyChoiceHelper::InstallAll("/itec", "/localhost/nfd/strategy/broadcast");
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// Installing applications
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// Consumer
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ndn::AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
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consumerHelper.SetPrefix("/prefix/abcdefghijklmnopqrstuvwxyz/123456789/need/more/somefile.txt");
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consumerHelper.SetAttribute("Frequency", StringValue("10")); // 10 interests a second
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consumerHelper.Install(nodes.Get(0)); // first node
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// Producer
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ndn::AppHelper producerHelper("ns3::ndn::Producer");
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// Producer will reply to all requests starting with /prefix
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producerHelper.SetPrefix("/prefix/abcdefghijklmnopqrstuvwxyz/123456789/need/more/somefile.txt");
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producerHelper.SetAttribute("PayloadSize", StringValue("449"));
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producerHelper.Install(nodes.Get(2)); // last node
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Simulator::Stop(Seconds(10.0));
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Simulator::Run();
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Simulator::Destroy();
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std::cout << "Simulation Done!" << std::endl;
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return 0;
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}
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} // namespace ns3
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int
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main(int argc, char* argv[])
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{
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return ns3::main(argc, argv);
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}
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