ndnSIM

Right now the status is the following:

I kept both the CS of NFD and the CS of the original ndnSIM. When I run the scenarios using the NFD's CS, everything is fine (seems legit..). When I run the scenarios using the original ndnSIM CS, I get a runtime error.

First of all, when the consumer receives the data packet inside the OnData method, the sequence number cannot be retrieved (ndn-consumer.cc:238), because it says that this component does not exist and the name gets out of bounds.

If I comment all the stuff at the OnData method regarding the sequence number, the simulation is executed successfully but there is still a bug, because for all the interest packets that the consumer sends, the data packets come directly from its own CS. So, the consumer node believes that it has always the data cached in its CS.

After some experimentation with the debugger, I found out that when the deepest_prefix_match method is executed (trie-with-policy.h:184), a lookup in the trie is performed (trie-with-policy.h:188). During this lookup (trie.h:309), when the subkey is searched in the children (trie.h:319), the item returned is not equal with the end iterator, so the reachLast variable will be true and the lastItem would not be equal to the end iterator (whereas in the current version of ndnSIM when we are about to have a cache miss, the reachLast variable is false and when the trie is empty, the lastItem is equal to the end iterator).

I would appreciate any help. :)

After Alex suggestions, the task was completed.

Implemented as part of commit:de1f77330fee22e3e88a8d4fb9994fe808857b8a