automaticBackendSelector.h

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/*******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vrfcontrol/backendSelectorHandler.h>
#include <vrfutil/backend.h>

#include <map>


class DT_DLL_vrfcontrol DtAutomaticBackendSelector : public DtBackendSelectorHandler
{
public:
   DtAutomaticBackendSelector();
   virtual ~DtAutomaticBackendSelector();

   virtual bool init(DtVrfBackendListener*);
   virtual DtSimulationAddress backendCreationAddress(const DtEntityType& ot, const DtSimulationAddress& original);

protected:
   static void backedDiscoveredCallback(const DtSimulationAddress&, void*);
   virtual void processBackendDiscovered(const DtSimulationAddress&);

   static void backedRemovedCallback(const DtSimulationAddress&, void*);
   virtual void processBackendRemoved(const DtSimulationAddress&);

   static void backendStatusMessageCallback(const DtSimulationAddress&, void*);
   virtual void processBackendStatusMessage(const DtSimulationAddress&);

   virtual int totalScore(const DtBackend::ObjectCounts&) const;

   virtual int score(int kind, int category) const;

protected:
   DtVrfBackendListener* myListener;

   typedef std::map<int, std::vector<DtSimulationAddress> > Scores;
   Scores myScores;

   struct BackendStatus
   {
      BackendStatus() : score(0), loaded(false) {};

      DtBackend::ObjectCounts objectCounts;
      int score;
      bool loaded;
   };

   typedef std::map<DtString, BackendStatus> Backends;
   Backends myBackends;
};