path stretch support
diff --git a/model/ccnx-flooding-strategy.cc b/model/ccnx-flooding-strategy.cc
index 5b8542d..27133b4 100644
--- a/model/ccnx-flooding-strategy.cc
+++ b/model/ccnx-flooding-strategy.cc
@@ -116,6 +116,15 @@
       //     NS_LOG_ERROR ("size: " << pitEntry.m_outgoing.size ());
       //   }
 
+
+      //update path stretch
+      WeightsPathStretchTag pathStretch;
+      //packet->PeekPacketTag(pathStretch);
+      
+      pathStretch.AddNewHop(metricFace.m_routingCost);
+      packet->AddPacketTag(pathStretch);
+      
+      //transmission
       metricFace.m_face->Send (packet->Copy ());
       m_transmittedInterestsTrace (header, metricFace.m_face);