[ndnSIM] Multi-hop wireless Ad-hoc

[Spyridon (Spyros) Mastorakis]

Hi Mohamed,

are you sure that B receives the Interest, but does not forward it to C? Can you please enable the nfd.Forwarder logging component and see what is going on with the NFD instance of each node?

Thanks,

Spyridon (Spyros) Mastorakis
Personal Website: http://cs.ucla.edu/~mastorakis/ <http://cs.ucla.edu/~mastorakis/>
Internet Research Laboratory
Computer Science Department
UCLA




> On Apr 9, 2016, at 4:18 PM, Mohamed Benahmed <art_med_ahmed at yahoo.fr> wrote:
> 
> I have an problem  in multi-hop wireless Adhoc 
> i need to install NDN in 3 node A--->B----->c  (A:consumer ; B: forwarder ; C: producer ) but the problem is B does not forward the interest towards C  
> my code :
> -----------------------------------------------------------
> #include "ns3/core-module.h"
> #include "ns3/network-module.h"
> #include "ns3/applications-module.h"
> #include "ns3/wifi-module.h"
> #include "ns3/mobility-module.h"
> #include "ns3/internet-module.h"
> 
> #include "ns3/ndnSIM-module.h"
> 
> using namespace std;
> namespace ns3 {
> 
> NS_LOG_COMPONENT_DEFINE("ndn.WifiExample");
> 
> int main(int argc, char* argv[])
> { 
>  
>   CommandLine cmd;
>   cmd.Parse(argc, argv);
> 
>   
>   WifiHelper wifi = WifiHelper::Default();
>   wifi.SetStandard(WIFI_PHY_STANDARD_80211a);
>   wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
>                                StringValue("OfdmRate24Mbps"));
> 
>   YansWifiChannelHelper wifiChannel; // = YansWifiChannelHelper::Default ();
>   wifiChannel.SetPropagationDelay("ns3::ConstantSpeedPropagationDelayModel");
>   wifiChannel.AddPropagationLoss("ns3::ThreeLogDistancePropagationLossModel");
>   wifiChannel.AddPropagationLoss("ns3::NakagamiPropagationLossModel");
> 
>   // YansWifiPhy wifiPhy = YansWifiPhy::Default();
>   YansWifiPhyHelper wifiPhyHelper = YansWifiPhyHelper::Default();
>   wifiPhyHelper.SetChannel(wifiChannel.Create());
>  // wifiPhyHelper.Set("TxPowerStart", DoubleValue(5));
>  // wifiPhyHelper.Set("TxPowerEnd", DoubleValue(5));
> 
>   NqosWifiMacHelper wifiMacHelper = NqosWifiMacHelper::Default();
>   wifiMacHelper.SetType("ns3::AdhocWifiMac");
>   NodeContainer nodes;
>   nodes.Create(3);
>   MobilityHelper mobility;
>   // Put everybody into a line
>   Ptr<ListPositionAllocator> initialAlloc = 
>     CreateObject<ListPositionAllocator> ();
>   for (uint32_t i = 0; i < nodes.GetN (); ++i) {
>       initialAlloc->Add (Vector (i*400, i,i));
>   mobility.SetPositionAllocator(initialAlloc);
> 
>   ////////////////
>   // 1. Install Wifi
>   NetDeviceContainer wifiNetDevices = wifi.Install(wifiPhyHelper, wifiMacHelper, nodes);
> 
>   // 2. Install Mobility model
>   mobility.Install(nodes);
> 
>   // 3. Install NDN stack
>   NS_LOG_INFO("Installing NDN stack");
>   ndn::StackHelper ndnHelper;
>   // ndnHelper.AddNetDeviceFaceCreateCallback (WifiNetDevice::GetTypeId (), MakeCallback
>   // (MyNetDeviceFaceCallback));
>   ndnHelper.SetOldContentStore("ns3::ndn::cs::Lru", "MaxSize", "1000");
>   ndnHelper.SetDefaultRoutes(true);
>   ndnHelper.Install(nodes);
> 
>   // Set BestRoute strategy
>   ndn::StrategyChoiceHelper::Install(nodes, "/", "/localhost/nfd/strategy/brodcast");
> 
>   // 4. Set up applications
>   NS_LOG_INFO("Installing Applications");
> 
>   ndn::AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
>   consumerHelper.SetPrefix("/prefix");
>   consumerHelper.SetAttribute("Frequency", StringValue("1"));
>   
>     ApplicationContainer consumer = consumerHelper.Install(nodes.Get(0));
>     consumer.Start(Seconds(2));    
>     consumer.Stop(Seconds(6)); 
> 
>   ndn::AppHelper producerHelper("ns3::ndn::Producer");
>   producerHelper.SetPrefix("/prefix");
>   producerHelper.SetAttribute("PayloadSize", StringValue("1200"));
>   producerHelper.Install(nodes.Get(2));
> 
>   Simulator::Stop(Seconds(10.0));
> 
>   Simulator::Run();
>   Simulator::Destroy();
> 
>   return 0;
> }
> 
> } // namespace ns3
> 
> int
> main(int argc, char* argv[])
> {
>   return ns3::main(argc, argv);
> }
> -------------------------------------------------------------------------------------
> I would like to express my gratitude for all your help in this matter.

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