[ndnSIM] Porting scenarios to ndnSIM 2.1

[Alex Afanasyev]

To modify packet format in ndnSIM 2.x, you don't need to modify anything with ndn-header.  You just need to update definition and encoding/decoding in the abstraction definition, e.g., in ndn-cxx/src/interest.hpp/cpp.  You need to be careful with Data packet, as it has special considerations because of the signatures.

---
Alex

> On Jun 11, 2016, at 4:43 AM, Muhammad Hosain Abdollahi Sabet <mhasabet at gmail.com> wrote:
> 
> Hi again,
> 
> Sorry. I want to port some changes in these functions which are defined in model/wire/ndnsim.h:
> - Interest::GetSerializedSize
> - Interest::Serialize
> - Interest::Deserialize
> Which will lead to modifying ndn-header, right? But header in v 2.1 is much simpler than in v 1. What has been changed here?
> 
> Thanks,
> Sabet
> 
> On 2 May 2016 09:11, "Alex Afanasyev" <aa at cs.ucla.edu <mailto:aa at cs.ucla.edu>> wrote:
> 
> > On Apr 30, 2016, at 11:59 PM, Muhammad Hosain Abdollahi Sabet <M.AbdollahiSabet at Mail.sbu.ac.ir <mailto:M.AbdollahiSabet at Mail.sbu.ac.ir>> wrote:
> >
> > Alex,
> >
> > What is equivalent of /model/wire/ndnsim in V.2?
> >
> 
> The wire encoding is embedded directly in each of the data structure: ndn-cxx/src/interest.cpp, ndn-cxx/src/data.cpp, etc.  Some general-purpose wire-encoding functions are in ndn-cxx/src/encoding.
> 
> --
> Alex
> 
> >
> > Thanks,
> > Sabet
> >
> >
> >
> > -----Original Message-----
> > From: Muhammad Hosain Abdollahi Sabet
> > Sent: Tue 4/26/2016 4:42 PM
> > To: 'Alex Afanasyev'
> > Cc: 'ndnsim'
> > Subject: RE: [ndnSIM] Porting scenarios to ndnSIM 2.1
> >
> > Alex,
> >
> > Thank you so much. You're saving lives!!
> >
> > Regards,
> > Sabet
> >
> > -----Original Message-----
> > From: Alex Afanasyev [mailto:aa at cs.ucla.edu <mailto:aa at cs.ucla.edu>]
> > Sent: Thursday, April 14, 2016 6:46 AM
> > To: Muhammad Hosain Abdollahi Sabet
> > Cc: ndnsim at lists.cs.ucla.edu <mailto:ndnsim at lists.cs.ucla.edu>
> > Subject: Re: [ndnSIM] Porting scenarios to ndnSIM 2.1
> >
> >
> > > On Apr 2, 2016, at 11:43 AM, Muhammad Hosain Abdollahi Sabet <M.AbdollahiSabet at mail.sbu.ac.ir <mailto:M.AbdollahiSabet at mail.sbu.ac.ir>> wrote:
> > >
> > > Hi everyone,
> > > Is there any guide on how one can port simulation scenarios wrote for ndnSIM 1? Currently I have a simulation in which has some modifications in  model/ndn-interest.h/.cc, model/wire/ndnsim.h/.cc, ndn.cxx/detail/pending-interests-container.h,  model/fw/ndn-forwarding-strategy.h/.cc. I know NFD is being used directly in ndnSIM 2.1 and there has been some changes in ndn-cxx. But honestly I'm not much familiar with them and need some guide.
> >
> > It very much depends on how extensive are your changes.
> >
> > To modify interest abstraction and wire encoding, you need to look at
> >
> > - ndnSIM/ndn-cxx/src/interest.hpp
> > - ndnSIM/ndn-cxx/src/interest.cpp
> >
> > For application PIT (ndn.cxx/...), you can look at
> >
> > - ndnSIM/ndn-cxx/src/detail/pending-interests.hpp, but there is also logic in ndnSIM/ndn-cxx/src/detail/face-impl.hpp
> >
> > For forwarding strategy, depending on your specific interest, it could be part of the strategy interface
> >
> > - ndnSIM/NFD/daemon/fw/strategy.hpp
> > - ndnSIM/NFD/daemon/fw/strategy.cpp
> > - ndnSIM/NFD/daemon/fw/*-strategy.*pp  (examples of implemented strategies)
> >
> > or if you need to change some of the forwarding logic (which we call now "pipelines"), you may look into
> >
> > - ndnSIM/NFD/daemon/fw/forwarder.hpp
> > - ndnSIM/NFD/daemon/fw/forwarder.cpp
> >
> > ---
> > Alex
> >
> >
> >
> 
> 
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