callback.hh

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#ifndef __CALLBACK_HH__
#define __CALLBACK_HH__

#include <platform.h>
#include <global-types.h>
#include <accdevexception.hh>
#include <accdata.hh>
#include <connect.hh>
#include <iostream>
#include <memory>
namespace DeviceAccess
{


  class E_API CallbackReference
  {
  public:
    CallbackReference() {}
    virtual ~CallbackReference() {}
    virtual bool isActive() = 0;  
  };


  class E_API Callback
  {
  public:
    Callback() {}

    virtual ~Callback();


    virtual void readResponse(const ResponseId& respId, const AccData& data, 
                              const AccStamp& stamp, const AccEFICD& eficd, 
                              const AccDevRetStatus& cmpl) = 0;


    virtual void response(const ResponseId& respId, 
                          const AccDevRetStatus& cmpl) = 0;


    virtual void lifesign(const ResponseId& respId, 
                          const AccDevRetStatus& cmpl);


    virtual void error(const AsynchId& asyncId, 
                       const AccDevRetStatus& cmpl) = 0;


    bool isActive() { return _cbRef->isActive(); }

    void cbRef(CallbackReference* cbr);

    CallbackReference* cbRef() { return _cbRef.get(); }

    bool isActivated() {return _cbRef.get() != NULL;}; 

  private:

    friend class CallbackReference;
    std::auto_ptr<CallbackReference> _cbRef;
  };
}

#endif

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