[Ndn-interest] Is there multithreading in NDN/

[Junxiao Shi]

(moving this thread to ndn-lib mailing list as it is a library question)

Hi Lixia Zhao

ndn-cxx has limited support for multi-threading. ndn::Face class is
thread-safe. However, only one thread should invoke Face::processEvents.
Operations such as Face::expressInterest and Face::addInterestFilter will
be queued internally, and carried out in the thread calling
Face::processEvents.

Unless there is a specific reason, it is recommended to use two separate
faces, one for consumer and the other for producer. This reduces potential
problems.

Yours, Junxiao

On Wed, Dec 6, 2017 at 3:33 AM, <lxzhao at njnet.edu.cn> wrote:

> Hello,
>   I want to realize both Consumer(send Interests periodically) and
> Producer(reply a Data whenever receiving an Interest) in only one node.
>   I had intended to use the multithreading mechaism in C++ and create two
> thread,one for Consumer and the other for Producer.But someone told me
> that there are built-in multithreading mechaism in the underlying
> libraries of NDN,like in CCNx,using the "Face::processEvents( )" of
> ndn-cxx.But I think it is just a function to call corresponding
> callbacks when receiving a Data,an Interest,Nack or other data.
>   I had read the document of ndn-cxx and cannot find information about
> multithreading.
>   So whether there are in-built multithreading mechanism in NDN.If
> yes,where can I get the information about it?
>   Thank you!
>                                                                   regards,
>                                                                  Lixia zhao
>
>
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