nerMsg.h

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/*********************************************************************
** Copyright (c) 1998 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: nerMsg.h,v $ $Revision: 1.7 $ $State: Exp $
*********************************************************************/


#ifndef DtNextEventRequestMsg_H_
#define DtNextEventRequestMsg_H_

#ifdef DtTIME

#include "timeTwoMsg.h"

class DtConnectionMgr;
class DtNextEventRequestMsg;
typedef void (*DtNextEventRequestCb)(const DtNextEventRequestMsg& msg, void* usr);

class DT_DLL_LRC DtNextEventRequestMsg : public DtTimeLookaheadMsg
{
public:

   DtNextEventRequestMsg(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   DtNextEventRequestMsg(
      DtRtiApiTime const & timeVal,
      DtRtiApiTimeInterval const & lookaheadVal,
      bool isWaitingForEvent,
      bool isTimeAvailable,
      unsigned long nerCycleVal,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   DtNextEventRequestMsg(const DtNetTimeLookaheadMsg* netRepMsg,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   virtual ~DtNextEventRequestMsg();

   virtual DtRtiMsg* clone(bool copy = true) const; 

public:

   static DtRtiMsg* create(const DtNetMsgHeader* initial,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   static DtRtiMsg* create(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   static void addCallback(DtConnectionMgr *conn,
      DtNextEventRequestCb cb, void *usr);
   static void removeCallback(DtConnectionMgr *conn,
      DtNextEventRequestCb cb, void *usr);

protected:
   
   DtRtiMsgKind internalDtRtiMsgKind();

};

#endif
#endif