MpArrayBuf.h

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//  
// Copyright (C) 2006 SIPfoundry Inc. 
// Licensed by SIPfoundry under the LGPL license. 
//  
// Copyright (C) 2006 SIPez LLC. 
// Licensed to SIPfoundry under a Contributor Agreement. 
//  
// $$ 

#ifndef _INCLUDED_MPARRAYBUF_H // [
#define _INCLUDED_MPARRAYBUF_H

// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "mp/MpBuf.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS


struct MpArrayBuf : public MpBuf
{
    friend class MpArrayBufPtr;

/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

/* ============================ CREATORS ================================== */




/* ============================ MANIPULATORS ============================== */


    bool setDataSize( int size 
                    );

/* ============================ ACCESSORS ================================= */


    char *getDataWritePtr() {return mpData;}

    const char *getDataPtr() const {return mpData;}

    static int getHeaderSize() {
        static MpArrayBuf* foo = NULL;
        return (unsigned long)(&foo->mpData[0] - (char*)foo);
    }


    unsigned getMaxDataSize() const
    {return mpPool->getBlockSize()-getHeaderSize();}

    unsigned getDataSize() const {return mDataSize;}


/* ============================ INQUIRY =================================== */




/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:

    unsigned  mDataSize;   
    char      mpData[1];   

    void init();

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:

    MpArrayBuf(const MpBuf &);
    MpArrayBuf &operator=(const MpBuf &);
};


class MpArrayBufPtr : public MpBufPtr {

/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

/* ============================ CREATORS ================================== */


    MPBUF_DEFAULT_CONSTRUCTOR(MpArrayBuf)

    
    MPBUF_FROM_BASE_CONSTRUCTOR(MpArrayBuf, MP_BUF_ARRAY, MpBuf)

    
    MPBUF_TYPECHECKED_COPY(MpArrayBuf, MP_BUF_ARRAY, MpBuf)



/* ============================ MANIPULATORS ============================== */



/* ============================ ACCESSORS ================================= */


    MPBUF_MEMBER_ACCESS_OPERATOR(MpArrayBuf)

    
    MPBUF_CONST_MEMBER_ACCESS_OPERATOR(MpArrayBuf)



/* ============================ INQUIRY =================================== */





/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:


/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:

};


#endif // _INCLUDED_MPARRAYBUF_H ]