First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/examples/ccnx-simple-with-pcap.cc b/examples/ccnx-simple-with-pcap.cc
new file mode 100644
index 0000000..b97565b
--- /dev/null
+++ b/examples/ccnx-simple-with-pcap.cc
@@ -0,0 +1,83 @@
+
+#include "ns3/core-module.h"
+#include "ns3/network-module.h"
+#include "ns3/point-to-point-module.h"
+#include "ns3/ndnSIM-module.h"
+
+using namespace ns3;
+
+class PcapWriter
+{
+public:
+ PcapWriter (const std::string &file)
+ {
+ PcapHelper helper;
+ m_pcap = helper.CreateFile (file, std::ios::out, PcapHelper::DLT_PPP);
+ }
+
+ void
+ TracePacket (Ptr<const Packet> packet)
+ {
+ static PppHeader pppHeader;
+ pppHeader.SetProtocol (0x0077);
+
+ m_pcap->Write (Simulator::Now (), pppHeader, packet);
+ }
+
+private:
+ Ptr<PcapFileWrapper> m_pcap;
+};
+
+
+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"));
+
+ Config::SetDefault ("ns3::NdnProducer::SignatureBits", StringValue ("1"));
+
+ // 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
+ NdnStackHelper ndnHelper;
+ ndnHelper.SetDefaultRoutes (true);
+ ndnHelper.InstallAll ();
+
+ // Installing applications
+
+ // Consumer
+ NdnAppHelper consumerHelper ("ns3::NdnConsumerCbr");
+ // Consumer will request /prefix/0, /prefix/1, ...
+ consumerHelper.SetPrefix ("/prefix");
+ consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 10 interests a second
+ consumerHelper.Install (nodes.Get (0)); // first node
+
+ // Producer
+ NdnAppHelper producerHelper ("ns3::NdnProducer");
+ // Producer will reply to all requests starting with /prefix
+ producerHelper.SetPrefix ("/prefix");
+ producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
+ producerHelper.Install (nodes.Get (2)); // last node
+
+ PcapWriter trace ("ndn-simple-trace.pcap");
+ Config::ConnectWithoutContext ("/NodeList/*/$ns3::NdnL3Protocol/FaceList/*/NdnTx",
+ MakeCallback (&PcapWriter::TracePacket, &trace));
+
+ Simulator::Stop (Seconds (20.0));
+
+ Simulator::Run ();
+ Simulator::Destroy ();
+
+ return 0;
+}
+