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/*
* SPDX-License-Identifier: GPL-2.0-only
*/
#include "ns3/object.h"
#include "ns3/simulator.h"
#include "ns3/trace-source-accessor.h"
#include "ns3/traced-value.h"
#include "ns3/uinteger.h"
#include <iostream>
using namespace ns3;
/**
* Tutorial 4 - a simple Object to show how to hook a trace.
*/
class MyObject : public Object
{
public:
/**
* Register this type.
* @return The TypeId.
*/
static TypeId GetTypeId()
{
static TypeId tid = TypeId("MyObject")
.SetParent<Object>()
.SetGroupName("Tutorial")
.AddConstructor<MyObject>()
.AddTraceSource("MyInteger",
"An integer value to trace.",
MakeTraceSourceAccessor(&MyObject::m_myInt),
"ns3::TracedValueCallback::Int32");
return tid;
}
MyObject()
{
}
TracedValue<int32_t> m_myInt; //!< The traced value.
};
void
IntTrace(int32_t oldValue, int32_t newValue)
{
std::cout << "Traced " << oldValue << " to " << newValue << std::endl;
}
int
main(int argc, char* argv[])
{
Ptr<MyObject> myObject = CreateObject<MyObject>();
myObject->TraceConnectWithoutContext("MyInteger", MakeCallback(&IntTrace));
myObject->m_myInt = 1234;
return 0;
}
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