commentPdu.h

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

#ifndef DtCommentPdu_H_
#define DtCommentPdu_H_




#if DtDIS

#include "hostStructs.h"
#include "pduWithData.h"
#include <vlpi/datumIdType.h>

class DT_DLL_VL DtExerciseConn;
class DT_DLL_VL DtCommentPdu;
typedef DtCommentPdu DtCommentInteraction;
typedef DtCommentPdu DtMessagePdu;

typedef void (*DtCommentPduCb)(DtCommentPdu *pdu, void *usr);

class DT_DLL_VL DtCommentPdu : public DtPduWithData
{

public:

   enum { PduStaticSize=32 };

public:
   DtCommentPdu(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);
   DtCommentPdu(const DtNetCommentPdu *initial, 
                DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);
   DtCommentPdu(const DtEntityIdentifier &sender,
                const DtEntityIdentifier &receiver,
                const char *message,
                DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   virtual void setComment(const char *message, int size);
   virtual const char *comment() const;

public:
   static DtPdu *create(const DtNetPacket *initial, 
                        DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);    

   static void addCallback(DtExerciseConn *conn, 
                           DtCommentPduCb cb, void *usr);
   static void removeCallback(DtExerciseConn *conn, 
                              DtCommentPduCb cb, void *usr);


protected:
   DtPduKind internalGetPduKind() const;

   DtNetDataPduTail *dataSection() const;
}; 

inline DtPduKind DtCommentPdu::internalGetPduKind() const 
{ 
   return DtCommentPduKind; 
}

#endif
#endif