lgrFileOutput.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef lgrFileOutput_H_
#define lgrFileOutput_H_

#include "lgrCore.h"
#include "absoluteTime.h"
#include "messageOutput.h"
#include "filePosition.h"
#include <vlutil/vlMachineTypes.h>

namespace MAKLogger
{
   class DtCheckpointPolicy;

   class DT_DLL_LGRCORE DtLgrFileOutput : public DtMessageOutput
   {

   protected:
      DtLgrFileOutput();

   public:
      virtual ~DtLgrFileOutput();

      virtual void setDuration(const DtRelativeTime& relTime) = 0;

      virtual void setWriteBufferSize(size_t) = 0;

      virtual size_t getWriteBufferSize() const = 0;

      virtual bool outputPacket(const DtPacket& buffer);

      virtual void filterMessage(DtPacket* packet);

      virtual const DtString& filename() const = 0;

      virtual DtFilePosition fileSize() const = 0;

      virtual DtFilePosition currentPosition() const = 0;

      virtual int lastMessageType() const;

      virtual size_t lastMessageSize() const;

      virtual DtAbsoluteTime lastMessageTime() const;

      virtual DtAbsoluteTime firstMessageTime() const;

   protected:

      virtual bool writePacket(const DtPacket& packet) = 0;

   protected:

      DtAbsoluteTime myFirstTime;
      DtAbsoluteTime myLastTime;
      int myLastPacketType;
      size_t myLastPacketSize;
   };

}

#endif