[ndnSIM] afterReceiveInterest in Strategy subclass

[John Baugh]

Junxiao,

So, if I want to gather information about ALL incoming interests in order
to maintain data about them, what must I do?

Do I subclass the Forwarder class?  If so, how do I ensure that my new
Forwarder subclass is used?  And, would this require subclassing the
Strategy class as well?

Thanks,

John

On May 13, 2017 1:33 PM, "Junxiao Shi" <shijunxiao at email.arizona.edu> wrote:

> Hi John
>
> The truth is in source code. Any documentation is secondary: they could be
> outdated, or they could reflect a planned feature/change which is not yet
> implement.
>
> In this instance, NFD devguide is correct. Strategy's *after receive
> Interest* trigger is invoked only if the Interest is not satisfied by
> ContentStore.
>
> NFD's *Forwarder::onIncomingInterest* function is invoked for every
> incoming Interest. That function, at the end, performs a CS lookup, and
> branches out to two cases: CS hit or CS miss.
>
> Yours, Junxiao
>
> On May 12, 2017 11:01 PM, "John Baugh" <jpbaugh at umich.edu> wrote:
>
> Greetings ndnSIM folks,
>
> I have been working with a Strategy subclass in order to take advantage of
> the afterReceiveInterest method.  The documentation on ndnSIM's website
> seems to imply that *any time *an Interest arrives at a node, that
> afterReceiveInterest is called.
>
> However, the *NFD Documentation *seems to imply that this method is only
> called *if the Content Store cannot satisfy the Interest.*  In other
> words, if the Interest is satisfied by the CS, this method will not be
> invoked.
>
> 1.  Can someone tell me which of these is true?
>
> 2.  Is there any method in any class that is invoked *ANY TIME *an
> Interest arrives (whether or not the CS can satisfy it or for any other
> reason)?
>
>
> Thanks,
>
> John
>
>
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