Esempi in C++ (Cpp) per StackHelper

Esempio n. 1

File: ndn-cxx-simple-ping.cpp Progetto: CSUL/ndn-ping-scenario

int
main(int argc, char *argv[])
{
  // setting default parameters for PointToPoint links and channels
  Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
  Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
  Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));

  // Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
  CommandLine cmd;
  cmd.Parse(argc, argv);

  // Creating nodes
  NodeContainer nodes;
  nodes.Create(3);

  // Connecting nodes using two links
  PointToPointHelper p2p;
  p2p.Install(nodes.Get(0), nodes.Get(1));
  p2p.Install(nodes.Get(1), nodes.Get(2));

  // Install NDN stack on all nodes
  StackHelper ndnHelper;
  ndnHelper.InstallAll();

  // Installing global routing interface on all nodes
  ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
  ndnGlobalRoutingHelper.InstallAll();

  // Installing applications

  // Consumer
  ndn::AppHelper consumerHelper("PingClientApp");
  consumerHelper.SetAttribute("Prefix", StringValue("/ping"));
  consumerHelper.SetAttribute("nPings", StringValue("3"));
  consumerHelper.Install(nodes.Get(0)).Start(Seconds(2));

  // Producer
  ndn::AppHelper producerHelper("PingServerApp");
  producerHelper.SetAttribute("Prefix", StringValue("/ping"));
  producerHelper.SetAttribute("nMaxPings", StringValue("3"));
  producerHelper.Install(nodes.Get(2)).Start(Seconds(0.1));

  ndnGlobalRoutingHelper.AddOrigins("/ping", nodes.Get(2));

  // Calculate and install FIBs
  ndn::GlobalRoutingHelper::CalculateRoutes();

  Simulator::Stop(Seconds(20.0));

  Simulator::Run();
  Simulator::Destroy();

  return 0;
}

Esempio n. 2

File: ndn-simple-ping.cpp Progetto: spirosmastorakis/ndnSIM2-refactored

int
main(int argc, char *argv[])
{
  // setting default parameters for PointToPoint links and channels
  Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
  Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
  Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));

  // Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
  CommandLine cmd;
  cmd.Parse(argc, argv);

  // Creating nodes
  NodeContainer nodes;
  nodes.Create(3);

  // Connecting nodes using two links
  PointToPointHelper p2p;
  p2p.Install(nodes.Get(0), nodes.Get(1));
  p2p.Install(nodes.Get(1), nodes.Get(2));

  // Install NDN stack on all nodes
  StackHelper ndnHelper;
  ndnHelper.SetDefaultRoutes(true);
  ndnHelper.InstallAll();

  // Installing applications

  // Consumer
  auto consumer = CreateObject<ApiApp<PingClient>>();
  nodes.Get(0)->AddApplication(consumer);
  // consumer->SetStopTime(Seconds(15.0));

  auto producer = CreateObject<ApiApp<PingServer>>();
  nodes.Get(2)->AddApplication(producer);
  // producer->SetStartTime(Seconds(0.5));

  Simulator::Stop(Seconds(20.0));

  Simulator::Run();
  Simulator::Destroy();

  return 0;
}

Esempio n. 3

File: ndn-grid-multiple-strategies.cpp Progetto: AaronTien/ndnSIM

int
main(int argc, char* argv[])
{
  // Setting default parameters for PointToPoint links and channels
  Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
  Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
  Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("10"));

  // Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
  CommandLine cmd;
  cmd.Parse(argc, argv);

  // Creating 3x3 topology
  PointToPointHelper p2p;
  PointToPointGridHelper grid(3, 3, p2p);
  grid.BoundingBox(100, 100, 200, 200);

  // Install NDN stack on all nodes
  StackHelper ndnHelper;
  ndnHelper.InstallAll();

  // Installing global routing interface on all nodes
  GlobalRoutingHelper ndnGlobalRoutingHelper;
  ndnGlobalRoutingHelper.InstallAll();

  // Getting containers for the consumer/producer
  Ptr<Node> producer = grid.GetNode(2, 2);
  NodeContainer consumerNodes;
  consumerNodes.Add(grid.GetNode(0, 0));

  // Install NDN applications
  std::string prefix = "/prefix";

  // Install different forwarding strategies
  for (int row = 0; row < 3; row++) {
    for (int column = 0; column < 3; column++) {
      if (row < 2)
        StrategyChoiceHelper::Install(grid.GetNode(row, column), "/prefix",
                                      "/localhost/nfd/strategy/best-route");
      else
        StrategyChoiceHelper::Install(grid.GetNode(row, column), "/prefix",
                                      "/localhost/nfd/strategy/multicast");
    }
  }

  AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
  consumerHelper.SetPrefix(prefix);
  consumerHelper.SetAttribute("Frequency", StringValue("100")); // 100 interests a second
  consumerHelper.Install(consumerNodes);

  AppHelper producerHelper("ns3::ndn::Producer");
  producerHelper.SetPrefix(prefix);
  producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
  producerHelper.Install(producer);

  // Add /prefix origins to ndn::GlobalRouter
  ndnGlobalRoutingHelper.AddOrigins(prefix, producer);

  // Calculate and install FIBs
  GlobalRoutingHelper::CalculateRoutes();

  Simulator::Stop(Seconds(20.0));
  Simulator::Run();
  Simulator::Destroy();

  return 0;
}