[ndnSIM] how to modify nonce field in Interest packet

[yao hu]

Hi Alex,

Thanks for your reply. I see.

One more question is about interest time out or retransmission. Is there a
method or function to deal with Interest retransmission or retransmission
queue in ndnsim? How about adding a new value to the nonce field in
retransmission Interest packet to differentiate it from the orginal one?

I assume that by default the original Interest and the retransmission
Interest if timeout happens should be the same format, right?

Thanks a lot ~

Regards,
huyao



2013/4/29 Alex Afanasyev <alexander.afanasyev at ucla.edu>

> Hi huyao,
>
> (1) The application is fully responsible to put the nonce into the
> interests. ndn::Consumer-based applications put nonce from uniform
> distribution (
> https://github.com/NDN-Routing/ndnSIM/blob/master/apps/ndn-consumer.cc#L206
> )
>
> (2) There is  GetNonce() method for ndn::Interest class
>
> (3) If you write your own app, you just set nonce using SetNonce method.
>  If you want to reuse existing consumers, then you probably need to change
> their implementation to some extent.
>
> ---
> Alex
>
> On Apr 28, 2013, at 7:06 AM, yao hu <huyao0107 at gmail.com> wrote:
>
> Hi Alex,
>
> ndnsim documents says nonce field is filled with a value of uint32_t
> type. Could you please tell
>
> (1) what value is filled in nonce field in the current Interest packet
> implementation.
>
> (2) how to get the nonce value when receiving Interest packet?
>
> (3) is it possible to fill a self-defined value into nonce field?
>
> Thanks very much!
>
> Regards,
> huyao
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>
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