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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#ifndef __EVENTPIPE_EVENTINSTANCE_H__
#define __EVENTPIPE_EVENTINSTANCE_H__
#ifdef FEATURE_PERFTRACING
#include "eventpipe.h"
#include "eventpipeevent.h"
#include "fastserializableobject.h"
#include "fastserializer.h"
class EventPipeEventInstance
{
// Declare friends.
friend EventPipeConfiguration;
public:
EventPipeEventInstance(EventPipeEvent &event, DWORD threadID, BYTE *pData, unsigned int length, LPCGUID pActivityId, LPCGUID pRelatedActivityId);
// Get the event associated with this instance.
EventPipeEvent* GetEvent() const;
// Get the stack contents object to either read or write to it.
StackContents* GetStack();
// Get the timestamp.
LARGE_INTEGER GetTimeStamp() const;
// Get a pointer to the data payload.
BYTE* GetData() const;
// Get the length of the data.
unsigned int GetLength() const;
// Serialize this object using FastSerialization.
void FastSerialize(FastSerializer *pSerializer, StreamLabel metadataLabel);
#ifdef _DEBUG
// Serialize this event to the JSON file.
void SerializeToJsonFile(EventPipeJsonFile *pFile);
bool EnsureConsistency();
#endif // _DEBUG
protected:
#ifdef _DEBUG
unsigned int m_debugEventStart;
#endif // _DEBUG
EventPipeEvent *m_pEvent;
DWORD m_threadID;
LARGE_INTEGER m_timeStamp;
GUID m_activityId;
GUID m_relatedActivityId;
BYTE *m_pData;
unsigned int m_dataLength;
StackContents m_stackContents;
#ifdef _DEBUG
unsigned int m_debugEventEnd;
#endif // _DEBUG
private:
// This is used for metadata events by EventPipeConfiguration because
// the metadata event is created after the first instance of the event
// but must be inserted into the file before the first instance of the event.
void SetTimeStamp(LARGE_INTEGER timeStamp);
};
// A specific type of event instance for use by the SampleProfiler.
// This is needed because the SampleProfiler knows how to walk stacks belonging
// to threads other than the current thread.
class SampleProfilerEventInstance : public EventPipeEventInstance
{
public:
SampleProfilerEventInstance(EventPipeEvent &event, Thread *pThread, BYTE *pData, unsigned int length);
};
#endif // FEATURE_PERFTRACING
#endif // __EVENTPIPE_EVENTINSTANCE_H__
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