ownershipHandlerDIS.h

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



#pragma once

#if DtDIS 

#include <vlutil/vlMachineTypes.h>
#include <vl/exerciseConn.h>
#include <vl/acknowledgeRPdu.h>
#include <vl/setRecordPdu.h>
#include <vl/eventReportPdu.h>
#include <vl/transferControlRequestPdu.h>

enum DtOwnershipStatus
{
   OWNERSHIP_NONE,
   OWNERSHIP_BEGIN_PUSH,
   OWNERSHIP_BEGIN_PULL,
   OWNERSHIP_RECEIVED_ACKNOWLEDGE,
   OWNERSHIP_RECEIVED_SET_RECORD,
   OWNERSHIP_WAIT_INITIAL_STATE,
   OWNERSHIP_WAIT_EVENT_REPORT
};

class DT_DLL_VL DtOwnershipHandler
{
public:

   DtOwnershipHandler();
   
   virtual ~DtOwnershipHandler();

   DtOwnershipHandler(const DtOwnershipHandler& other);

   DtOwnershipHandler& operator=(const DtOwnershipHandler& other);

   virtual DtOwnershipHandler* clone() const;

   virtual void divestObject(DtU16 siteTarget, DtU16 applicationTarget);

   virtual void acquireObject();

   virtual void setExConn(DtExerciseConn* exConn);
   virtual void setEntityId(const DtEntityIdentifier& entityId);

   virtual void setAutoResponseTimer(double time);

protected:
   static void acknowledgeRCb(DtAcknowledgeRPdu* ack, void* usr);
   static void setRecordCb(DtSetRecordPdu* setRec, void* usr);
   static void eventReportCb(DtEventReportPdu* setRec, void* usr);
   static void transferOwnershipCb(DtTransferControlRequestPdu* setRec, void* usr);
   virtual void acknowledgeCallback(DtAcknowledgeRPdu* ack);
   virtual void setRecordCallback(DtSetRecordPdu* setRec);
   virtual void eventReportCallback(DtEventReportPdu* setRec);
   virtual void transferOwnershipCallback(DtTransferControlRequestPdu* transfer);

   virtual void transferFailed();

   virtual void gainOwnership();

   virtual void loseOwnership();

   virtual bool requestOwnershipRelease();
   virtual bool requestOwnershipAssumption();
   
protected:
   DtOwnershipStatus myStatus;
   DtTime myOwnershipTimer;
   double myAutoResponseTimer;
   DtU32 myRequestId;

   DtExerciseConn* myExConn;
   DtEntityIdentifier myEntityId;

   bool myAckReceived;
   bool myEventReportReceived;
};

#endif //DtDIS