Issue connecting with TraceCallback having multiple mixed arguments, double and uint32_t

[Ubaid ur Rahman]

Hello

I have been trying to connect the a trace sink to source, the callback function is not being called I tried the following:

Trace Source of model:

// trace source
TracedCallback<double, double, double, uint32_t> m_utilized;

// In GetTypeId
.AddTraceSource ("UtilizedResources",

                  Trace for utilization",

   MakeTraceSourceAccessor (&NodeUtilization::m_utilized))

void

NodeUtilization::UpdateUtilization()

{
        // defined as class private members
        // double p, ps, ss
        // uint32_t m_nodeId

m_utilized(p, ps, ss, m_nodeId);

}

Trace Sink Class:

Sinker::AttachTraceSink()

{

Config::ConnectWithoutContext("/NodeList/*/$ns3::NodeUtilization/UtilizedResources", MakeCallback(&NodeData::UtilizationSink, this));

}

void

Sinker::UtilizationSink(double p, double ps, double ss, uint32_t nodeId)
{
     NS_LOG_UNCOND("Utilization Sink: \n"<< nodeId << "\n" << p << "%\n" << ps <<"%\n" << ss << "%\n");
}

[Tommaso Pecorella]

... and who's calling NodeUtilization::UpdateUtilization ?

T.

[Ubaid ur Rahman]

Main was calling the Class methods

Ptr<ComputeNode> n = new ComputeNode();

Sinker s;

s.AttachTraceSink();

The issue is now resolved. I was making the same mistake, attaching sink before creating the ComputeNode. 

Thanks for your response :)

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Regards,

Ubaid ur Rahman