| /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
| /* |
| * Copyright (c) 2011-2012 University of California, Los Angeles |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation; |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| */ |
| // ndn-grid.cc |
| #include "ns3/core-module.h" |
| #include "ns3/network-module.h" |
| #include "ns3/point-to-point-module.h" |
| #include "ns3/point-to-point-layout-module.h" |
| #include "ns3/ndnSIM-module.h" |
| |
| using namespace ns3; |
| |
| /** |
| * This scenario simulates a grid topology (using PointToPointGrid module) |
| * |
| * (consumer) -- ( ) ----- ( ) |
| * | | | |
| * ( ) ------ ( ) ----- ( ) |
| * | | | |
| * ( ) ------ ( ) -- (producer)(2,2) |
| * |
| * All links are 1Mbps with propagation 10ms delay. |
| * |
| * FIB is populated using NdnGlobalRoutingHelper. |
| * |
| * Consumer requests data from producer with frequency 100 interests per second |
| * (interests contain constantly increasing sequence number). |
| * |
| * For every received interest, producer replies with a data packet, containing |
| * 1024 bytes of virtual payload. |
| * |
| * To run scenario and see what is happening, use the following command: |
| * |
| * NS_LOG=ndn.Consumer:ndn.ConsumerZipfMandelbrot:ndn.Producer ./waf --run=ndn-zipf-mandelbrot |
| */ |
| |
| int |
| main(int argc, char* argv[]) |
| { |
| // LogComponentEnable("ndn.CbisGlobalRoutingHelper", LOG_LEVEL_INFO); |
| // Setting default parameters for PointToPoint links and channels |
| Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps")); |
| Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("1ms")); |
| 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 CCNx stack on all nodes |
| ndn::StackHelper ccnxHelper; |
| ccnxHelper.SetForwardingStrategy("ns3::ndn::fw::SmartFlooding"); |
| ccnxHelper.SetContentStore("ns3::ndn::cs::Lru", "MaxSize", "10"); |
| ccnxHelper.InstallAll(); |
| |
| // Installing global routing interface on all nodes |
| // ndn::CbisGlobalRoutingHelper ccnxGlobalRoutingHelper; |
| ndn::GlobalRoutingHelper ccnxGlobalRoutingHelper; |
| ccnxGlobalRoutingHelper.InstallAll(); |
| |
| // Getting containers for the consumer/producer |
| Ptr<Node> producer = grid.GetNode(2, 2); |
| NodeContainer consumerNodes; |
| consumerNodes.Add(grid.GetNode(0, 0)); |
| |
| // Install CCNx applications |
| std::string prefix = "/prefix"; |
| |
| ndn::AppHelper consumerHelper("ns3::ndn::ConsumerZipfMandelbrot"); |
| // ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerCbr"); |
| consumerHelper.SetPrefix(prefix); |
| consumerHelper.SetAttribute("Frequency", StringValue("100")); // 100 interests a second |
| consumerHelper.SetAttribute("NumberOfContents", StringValue("100")); // 10 different contents |
| // consumerHelper.SetAttribute ("Randomize", StringValue ("uniform")); // 100 interests a second |
| consumerHelper.Install(consumerNodes); |
| |
| ndn::AppHelper producerHelper("ns3::ndn::Producer"); |
| producerHelper.SetPrefix(prefix); |
| producerHelper.SetAttribute("PayloadSize", StringValue("100")); |
| producerHelper.Install(producer); |
| ccnxGlobalRoutingHelper.AddOrigins(prefix, producer); |
| |
| // Calculate and install FIBs |
| ccnxGlobalRoutingHelper.CalculateRoutes(); |
| |
| Simulator::Stop(Seconds(10.0)); |
| |
| Simulator::Run(); |
| Simulator::Destroy(); |
| |
| return 0; |
| } |