dataPdu.h

Go to the documentation of this file.

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


#ifndef DtDataPdu_H_
#define DtDataPdu_H_

#if DtDIS

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


class DT_DLL_VL DtExerciseConn;
class DT_DLL_VL DtDataPdu;
typedef DtDataPdu DtDataInteraction;

typedef void (*DtDataPduCb)(DtDataPdu *pdu, void *usr);

class DT_DLL_VL DtDataPdu : public DtPduWithData
{

public:
   enum { PduStaticSize=40 };

public:
   DtDataPdu(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);
   DtDataPdu(const DtNetDataPdu *initial, 
             DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

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

   virtual unsigned long requestId() const;
   virtual void setRequestId(unsigned long id);    

   virtual void printData() const;

   virtual void printDataToStream(std::ostream& stream) const;

public:
   static void addCallback(
      DtExerciseConn *conn, DtDataPduCb cb, void *usr);
   static void removeCallback(
      DtExerciseConn *conn, DtDataPduCb cb, void *usr);

protected:
   DtPduKind internalGetPduKind() const {return DtDataPduKind;}

   DtNetDataPduTail *dataSection() const;
}; 

#endif
#endif