loggerFileWriter.h

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/******************************************************************************
** Copyright (c) 1992-2025 MAK Technologies, Inc
** All rights reserved.
******************************************************************************/


#pragma once

#include <lgrCore/lgrCore.h>
#include <lgrCore/lgrFileOutput.h>
#include <lgrUtil/virtualConstructor.h>
#include <lgrUtil/filePosition.h>
#include <lgrUtil/memoryBuffer.h>
#include <lgrUtil/smartBuffer.h>

#include <vlutil/vlNetTypes.h>

namespace MAKLogger
{
   class DtCheckpointPolicy;
   class DtMessageIOInfo;
   class DtLoggerRecordFile;

   class DT_DLL_LGRCORE DtLoggerFileWriter :  public DtLgrFileOutput
   {

   public:
      DT_VIRTUAL_CTR(DtLoggerFileWriter,(DtMessageIOInfo*,DtLoggerRecordFile*))

      virtual ~DtLoggerFileWriter();

   private:
      DtLoggerFileWriter(const DtLoggerFileWriter&);
      DtLoggerFileWriter& operator=(const DtLoggerFileWriter&);
   public:

      virtual void setDuration(const DtRelativeTime& duration);

      virtual void setStartEndTimes( const double start, const double end );

      virtual void setDescription(const DtString& description);

      virtual const DtRelativeTime& duration() const;

      virtual const double startTime() const;

      virtual const double endTime() const;

      virtual void setWriteBufferSize(size_t);

      virtual size_t getWriteBufferSize() const;

      virtual void activate(const DtMessageInput* fileInput);

      virtual bool isActivated() const;

      virtual void deactivate();

      virtual const DtMessageIOInfo* info() const;

      virtual const DtString& filename() const;

      virtual DtFilePosition fileSize() const;

      virtual DtFilePosition currentPosition() const;

      virtual void flush();

      virtual void setOutputScaling(double scaling, bool enableStatic, bool isPaused=false);

      static const DtU32 PostDataMagic = 0xCFB91181;

      const DtLoggerRecordFile* loggerRecordFile() const;

   protected:

      virtual bool writePacket(const DtPacket& packet);

      DtString multiFileDescription(bool final);

   protected:

      DtMessageIOInfo* myMessageInfo;
      DtLoggerRecordFile* myRecordFile;
      size_t myBufferSize;
      DtMemoryBufferSP myMemory;
      DtSmartBuffer myCurrentMemory;
      bool myActivatedFlag;
      DtRelativeTime myDuration;
   };

}