eventsapi.h

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// $Id: eventsapi.h 4470 2020-04-15 12:58:02Z linev $
 
/************************************************************
 * The Data Acquisition Backbone Core (DABC)                *
 ************************************************************
 * Copyright (C) 2009 -                                     *
 * GSI Helmholtzzentrum fuer Schwerionenforschung GmbH      *
 * Planckstr. 1, 64291 Darmstadt, Germany                   *
 * Contact:  http://dabc.gsi.de                             *
 ************************************************************
 * This software can be used under the GPL license          *
 * agreements as stated in LICENSE.txt file                 *
 * which is part of the distribution.                       *
 ************************************************************/
 
#ifndef DABC_eventsapi
#define DABC_eventsapi
 
#include <cstdint>
 
#ifndef DABC_Object
#include "dabc/Object.h"
#endif
 
#ifndef DABC_Buffer
#include "dabc/Buffer.h"
#endif
 
#ifndef DABC_Pointer
#include "dabc/Pointer.h"
#endif
 
namespace dabc {
 
   class EventsIterator : public Object {
      public:
         EventsIterator(const std::string &name) : Object(name, flAutoDestroy) {}
         virtual ~EventsIterator() {}
 
         virtual bool Assign(const Buffer& buf) = 0;
         virtual void Close() = 0;
 
         virtual bool NextEvent() = 0;
         virtual void* Event() = 0;
         virtual BufferSize_t EventSize() = 0;
 
         unsigned NumEvents(const Buffer& buf);
   };
 
   class EventsIteratorRef : public Reference {
      DABC_REFERENCE(EventsIteratorRef, Reference, EventsIterator)
   };
 
   // ----------------------------------------------------------------------------------------
 
 
   class EventsProducer : public Object {
      public:
         EventsProducer(const std::string &name) : Object(name, flAutoDestroy) {}
         virtual ~EventsProducer() {}
 
         virtual bool Assign(const Buffer& buf) = 0;
         virtual void Close() = 0;
 
         virtual bool GenerateEvent(uint64_t evid, uint64_t subid, uint64_t raw_size) = 0;
   };
 
 
   class EventsProducerRef : public Reference {
      DABC_REFERENCE(EventsProducerRef, Reference, EventsProducer)
   };
}
 
#endif