netAttrs.h

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/*********************************************************************
** Copyright (c) 1998 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: netAttrs.h,v $ $Revision: 1.9 $ $State: Exp $
*********************************************************************/


#ifndef DtNetAttr_H_
#define DtNetAttr_H_

#include "rtiMsConfig.h"
#include <vlutil/vlNetTypes.h>
#include "netRtiMsgHdr.h"
#include <vlutil/vlUtil.h>


class DT_DLL_LRC DtNetAttrValue
{
public:
   unsigned short totalSize() const;
   char* valuePtr();
   
   MAKRti::DtNetU16 handle;
   MAKRti::DtNetU16 size;
};

inline unsigned short DtNetAttrValue::totalSize() const
{
   // Start with static header bytes
   unsigned short hdrSize = sizeof(DtNetAttrValue);

   if (size >= 8)
   {
      // Data size >= 64 bit, assume data requires alignment to 64 bit
      // Adjust header size with padding bytes before data
      hdrSize += alignedPtrPadding(this+1, 8);
   }

   // Adjust total size for padding bytes after data
   return alignValue(hdrSize+size, 2);
}

inline char * DtNetAttrValue::valuePtr()
{
   if (size < 4)
      return (char*)(&size + 1);
   else if (size < 8)
      return (char*)alignPtr(&size + 1, 4);
   else
      return (char*)alignPtr(&size + 1, 8);
}

class DT_DLL_LRC DtNetBigAttrValue
{
public:
   unsigned long totalSize() const;
   char* valuePtr();
   
   DtNetU32 handle;

   DtNetU32 size;
};

inline unsigned long DtNetBigAttrValue::totalSize() const
{
   // Start with static header bytes
   unsigned short hdrSize = sizeof(DtNetBigAttrValue);

   if (size >= 8)
   {
      // Data size >= 64 bit, assume data requires alignment to 64 bit
      // Adjust header size with padding bytes before data
      hdrSize += alignedPtrPadding(this+1, 8);
   }

   // Adjust total size for padding bytes after data
   return alignValue(hdrSize+size, 4);
}

inline char * DtNetBigAttrValue::valuePtr()
{
   if (size < 8)
      return (char*)alignPtr(&size + 1, 4);
   else
      return (char*)alignPtr(&size + 1, 8);
}

class DT_DLL_LRC DtNetAttrs
{
public:
   unsigned short baseSize() const;

   MAKRti::DtNetU16 numAttrs;
};

inline unsigned short DtNetAttrs::baseSize() const
{
   return sizeof(DtNetAttrs);
}

class DT_DLL_LRC DtNetBigAttrs
{
public:
   unsigned long baseSize() const;

   DtNetU32 numAttrs;
};

inline unsigned long DtNetBigAttrs::baseSize() const
{
   return sizeof(DtNetBigAttrs);
}

#endif