[ndnSIM] Adding another "Name" type of field in Interest packet

[Mudasir Qazi]

Thank you so much for your effort. I'm surly looking into it. :)

On Sun, May 27, 2018, 12:23 AM Spyridon (Spyros) Mastorakis <
mastorakis at cs.ucla.edu> wrote:

> Junxiao,
>
> there are 2 different things: design and simulation code.
>
> We have built the simulator as a tool for the community to experiment with
> NDN, and we should make their life easier instead of more complicated.
> Therefore, in my humble opinion, it is fine if someone wants to reduce the
> coding complexity (not all the users are equally comfortable with software
> development), and create a more “hacky” implementation to make things work
> and do some preliminary evaluation. ndnSIM is a research tool, and serves
> the purpose of enabling people to experiment fast with different design
> alternatives.
>
> @Mudasir, I have implemented some wire encoding/decoding for a more
> complex data structure than the vector of names that you need. Please take
> a look here:
>
>
> https://github.com/kchou1/scenario-ntorrent/commit/750e92e9813c4022b95ba19995a4d517c9ec381c
>
> Look for the EncodeContent and DecodeIBFAndComputeRearestPiece methods.
>
> Thanks,
>
> Spyridon (Spyros) Mastorakis
> Personal Website: http://cs.ucla.edu/~mastorakis/
> Internet Research Laboratory
> Computer Science Department
> UCLA
>
> > On May 26, 2018, at 11:56 AM, Junxiao Shi <shijunxiao at email.arizona.edu>
> wrote:
> >
> > Hi Mudasir
> >
> > I have tried adding another "Name" type of field in Interest packet.
> > What's the semantics of this new field?
> > It's usually a wrong design if you need a secondary name.
> >
> > * To guide forwarding: use ForwardingHint field.
> > * To give additional parameters to the producer: append those parameters
> to the name. In case producer must return a Data generated by some other
> node, encapsulate that Data into a new Data that matches the Interest.
> > * To indicate who expressed the Interest: you shouldn't indicate who
> expressed the Interest, unless it changes the Data. In that case, see the
> second point.
> >
> >
> > in wireDecode method:
> > m_Name2.wireDecode(m_wire.get(tlv::Name2));
> >
> > Error:
> > When I'm running scenario, its builds successfully. But after linking
> files and before launching the simulator it gives following error:
> >
> > terminate called after throwing an instance of
> 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<ndn::Block::Error>
> >'
> >   what():  (Block::get) Requested a non-existed type [10] from Block
> >
> > This error message indicates Nonce element (TLV-TYPE 0x0A ie decimal 10)
> is missing.
> >
> > Yours, Junxiao
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.lists.cs.ucla.edu/pipermail/ndnsim/attachments/20180527/b2bd5971/attachment.html>