[ndnSIM] How to use ndnSIM helpers to specify custom field in interest packet.

[Ygor Amaral]

Hi Prajjwal,

I do not know if I fully understood your question.

ndnSIM has no helpers for creating new interest packet fields.

You need to change the Interest class (ndn-cxx library) to add new fields.

Path:
     - ndnSIM/ns-3/src/ndnSIM/ndn-cxx/ndn-cxx/interest.cpp
     - ndnSIM/ns-3/src/ndnSIM/ndn-cxx/ndn-cxx/interest.hpp

When creating a new interest packet, you will set the value of the new
field, similar to how it is done with the other fields. For example:

...
shared_ptr<Interest> interest = make_shared<Interest>();
interest->setOldField(value1);
interest->setNewField(value2);
...
send(*interest);
...

Regards,
Ygor Amaral

On Tue, Apr 6, 2021 at 3:26 AM Prajjwal Singh <csb17053 at tezu.ac.in> wrote:

> Hello all,
> After adding a custom field, say Priority, to the interest packet, how can
> I make use of ndnSIM helpers to specify this Priority field in the interest
> packets, while installing and specifying prefix to consumer nodes in the
> simulating examples?
>
> Thanks in advance,
> Prajjwal Singh
>
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> ndnSIM at lists.cs.ucla.edu
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