Extending CcnxConsumerCbr class. Now it supports option to randomize sending time (uniform or exponential distribution).
diff --git a/apps/ccnx-consumer.cc b/apps/ccnx-consumer.cc
index eafa77d..66da4b8 100644
--- a/apps/ccnx-consumer.cc
+++ b/apps/ccnx-consumer.cc
@@ -243,6 +243,7 @@
 
   Ptr<Packet> packet = Create<Packet> ();
   packet->AddHeader (interestHeader);
+  NS_LOG_DEBUG ("Interest packet size: " << packet->GetSize ());
 
   m_protocolHandler (packet);