[ndnSIM] Two questions about nfd Face

[Alex Afanasyev]

> On Jan 4, 2018, at 1:42 PM, chavoosh ghasemi <chavoosh.ghasemi.off at gmail.com <mailto:chavoosh.ghasemi.off at gmail.com>> wrote:
> 
> Hi,
> 
> Here are two questions about nfd Face:
> 
> 1- Assuming we have an nfd Face (or a PIT entry), how the node that this Face is associated to can be found?

If it is based on NetDeviceTransport, then through extracting the transport, casting it to NetDeviceTransport and calling GetNode().   If it is pure (internal) nfd Face, then depending on where exactly you're, it is either impossible or you can use simualation context (Simulator::GetContext() and then look up Node, e.g., ns3::Ptr<ns3::Node> node = ns3::NodeList::GetNode(ns3::Simulator::GetContext());)

> 2- How can we find the Face through which a given node is connected to its neighbor (e.g. A---B)?

yes. Check implementation of helpers/ndn-link-control-helper.cpp

> 
> Thanks,
> - Chavoosh
> 
> --
> Chavoosh Ghasemi
> 
> Ph.D. Student in Computer Networking
> University of Arizona - Computer Science Department
> Address: Gould-Simpson 721B, 1040 E. 4th Street,
>                  Tucson, AZ 85721
> 
> "The quieter you become, the more you can hear"
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______________
Alex Afanasyev
Assistant Professor, SCIS, Florida International University
11200 SW 8th Street, ECS Room 261B, Miami, FL 33199
phone: +1.305.348.4960 (office); email: aa at cs.fiu.edu <mailto:aa at cs.fiu.edu>
web: https://users.cs.fiu.edu/~afanasyev/ <https://users.cs.fiu.edu/~afanasyev/>


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