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