[ndnSIM] How to get Node Id?

[Mudasir Qazi]

Hi,

I am looking for the ID of a node in the network. I want to know which node
has sent interest or data etc.

I have found following way to get it in *ndn-app-link-service.cpp *class,
and it works fine because this class has *m_node* private member.

uint32_t nodeId = m_node->GetId(); //works fine in
*ndn-app-link-service.cpp*

But, the problem is, I also need to get Node ID in *forwarder.cpp *as well
as on several other places in whole ndnSIM. I have tried following method
to get it in *forwarder.cpp* but it does not work.

//does not work in forwarder.cpp
ns3::Ptr<ns3::Application> app = ns3::Ptr<ns3::Application>();
ns3::Ptr<ns3::Node> node = app->GetNode();
uint32_t nodeId = node->GetId();


Please guide me how can I get it in *forwarder.cpp* as well as give me a
general method to get it wherever it is needed in whole ndnSIM for future
purposes.


-- 
Regards,
Mudasir Qazi
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