Adding more statistics collection (number of transmitted/received bytes
per "pit entry" and per face)
diff --git a/model/forwarding-strategy/green-yellow-red.cc b/model/forwarding-strategy/green-yellow-red.cc
index d881b00..c00e6d8 100644
--- a/model/forwarding-strategy/green-yellow-red.cc
+++ b/model/forwarding-strategy/green-yellow-red.cc
@@ -93,7 +93,7 @@
       Ptr<Packet> packetToSend = packet->Copy ();
       metricFace.m_face->Send (packetToSend);
 
-      DidSendOutInterest (metricFace.m_face, header, pitEntry);
+      DidSendOutInterest (metricFace.m_face, header, packet, pitEntry);
       
       propagatedCount++;
       break; // propagate only one interest