[ndnSIM] Question about updating name prefix list of the routers

[Muhammad Hosain Abdollahi Sabet]

Ashlesh,

How about using expressInterest? Does nlsr respond to interest of local
scope like nfd? If so, there is no need to have a receive, right?

Thanks,
Sabet
On Mar 6, 2017 10:48 PM, "Ashlesh Gawande (agawande)" <agawande at memphis.edu>
wrote:

> face->receive is for the unit tests (written for testing purpose). Remove
> it.
>
> After that call whatever the equivalent of face->processEvents is in
> ndnSIM (I am not familiar with ndnSIM).
>
>
> Also look at nlsrc tools - which is a real application to send
> advertise/withdraw command and would be closer to what you want than the
> test (however, one thing missing in nlsrc is that it will sign the interest
> with default identity - so you have to make sure that default identity is
> set to operator to do the advertise/withdraw request This should not matter
> if security is turned off in nlsr.conf file - iirc ndnSIM-NLSR has it
> turned off).
>
> (https://github.com/named-data/NLSR/tree/master/tools)
>
> But yes, to advertise/withdraw prefix this is the functionality you would
> use.
>
>
> Ashlesh
> ------------------------------
> *From:* Mahsa Aghajani <mahsa.aghajani at gmail.com>
> *Sent:* Monday, March 6, 2017 12:47:00 PM
> *To:* Alex Afanasyev
> *Cc:* Ashlesh Gawande (agawande); ndnsim; Anil Jangam
> *Subject:* Re: [ndnSIM] Question about updating name prefix list of the
> routers
>
> The error I got is that face class does not have a member receive().
> I do not know exactly how to send the cammand advertise/withdraw.
> Thank you a lot dear Alex for your attention.
>
> On Mar 6, 2017 22:11, "Alex Afanasyev" <aa at cs.ucla.edu> wrote:
>
>> Dear Mahsa,
>>
>> Can you give a bit more details on what errors you're getting?  What
>> exactly is not working when you trying to send the command?
>>
>> --
>> Alex
>>
>> On Mar 5, 2017, at 5:53 AM, Mahsa Aghajani <mahsa.aghajani at gmail.com>
>> wrote:
>>
>> Dear ndnSIM users
>>
>> I want to update name prefix lists of routers during a simulation
>> including adding/removing some name  prefixes to/from a router. Should I
>> use advertise or withdraw functions of NLSR for doing this?
>> If so, how can I use these functions in ndnSIM-NLSR? I have written this
>> code in
>> ndn-nlsr-exec.cpp file, but I got some errors relating to sending
>> interest from face :
>>
>> void
>> Nlsr::withdraw()
>> {
>>   m_nlsr.getPrefixUpdateProcessor().updateProcessor.enable();
>>
>>   ndn::nfd::ControlParameters parameters;
>>   parameters.setName("/prefix/to/advertise/");
>>
>>   ndn::Name withdrawCommand("/localhost/nlsr/prefix-update/withdraw");
>>   withdrawCommand.append(parameters.wireEncode());
>>
>>   shared_ptr<Interest> withdrawInterest = make_shared<Interest>(withdraw
>> Command);
>>   keyChain.signByIdentity(*withdrawInterest, opIdentity);
>>
>>   face->receive(*withdrawInterest);
>>   face->processEvents(ndn::time::milliseconds(1));
>> }
>>
>> Thanks and regards.
>>
>> Mahsa Aghajani
>> M.Sc. Student
>> Department of Computer Engineering
>> Sharif University of Technology
>>
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>> ndnSIM at lists.cs.ucla.edu
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>>
>>
>>
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