neighborentry.h

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/*
 * Copyright (c) 2013 - Adjacent Link LLC, Bridgewater, New Jersey
 * Copyright (c) 2010-2012 - DRS CenGen, LLC, Columbia, Maryland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 * * Neither the name of DRS CenGen, LLC nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#ifndef EMANEMODELSIEEE802ABGNEIGHBORENTRY_HEADER_
#define EMANEMODELSIEEE802ABGNEIGHBORENTRY_HEADER_

#include "emane/types.h"

#include "neighbortype.h"
#include "msgtypes.h"

#include <map>
#include <set>


namespace EMANE
 {
  namespace Models
   {
     namespace IEEE80211ABG
       {
        class NeighborEntry
        {
        public:
          NeighborEntry();

          void updateChannelActivity(const Microseconds & utilizationMicroseconds, 
                                     std::uint8_t type,
                                     const TimePoint & activityTime, 
                                     float fRxPowerMilliWatts, 
                                     size_t numPackets = 1);

          void storeUtilization();


          EMANE::TimePoint getLastActivityTime() const;

          Microseconds getUtilizationMicroseconds(std::uint8_t msgTypeMask) const;

          size_t getNumberOfPackets(std::uint8_t msgTypeMask) const;


          float getRxPowerMilliWatts(std::uint8_t msgTypeMask) const;

          float getEstimatedNumCommonNeighbors() const;

          void setEstimatedNumCommonNeighbors(float num);

          float getHiddenChannelActivity() const;

          void setHiddenChannelActivity(float fActivity);

          void setAverageHiddenRxPowerMilliWatts(float dAverageHiddenRxPowerMilliWatts);

          float getAverageHiddenRxPowerMilliWatts() const;

          void setAverageCommonRxPowerMilliWatts(float dAverageCommonRxPowerMilliWatts);

          float getAverageCommonRxPowerMilliWatts() const;

          void setOneHopNeighbors(const NbrSet & nbrs);

          void setHiddenNeighbors(const NbrSet & nbrs);

          void setCommonNeighbors(const NbrSet & nbrs);

          const NbrSet & getOneHopNeighbors() const;

          const NbrSet & getCommonNeighbors() const;

          const NbrSet & getHiddenNeighbors() const;

          bool isOneHopNbr(EMANE::NEMId id) const;

          bool isCommonNbr(EMANE::NEMId id) const;

          bool isHiddenNbr(EMANE::NEMId id) const;

        private:
          struct Utilization
            {
               Microseconds   totalUtilizationMicroseconds_;
               size_t         totalNumPackets_;
               float          fTotalRxPowerMilliWatts_;

               Utilization() :
                totalUtilizationMicroseconds_{},
                totalNumPackets_{},
                fTotalRxPowerMilliWatts_{}
               { }

               void reset()
                 {
                   totalUtilizationMicroseconds_ = Microseconds::zero();
                   totalNumPackets_         = 0;
                   fTotalRxPowerMilliWatts_ = 0;
                 }

               void update(size_t numPackets, const Microseconds & utilizationMicroseconds, float fRxPowerMilliWatts)
                 {
                   totalNumPackets_ += numPackets;

                   totalUtilizationMicroseconds_ += utilizationMicroseconds;

                   fTotalRxPowerMilliWatts_ += fRxPowerMilliWatts;
                }
            };

          using UtilizationTypeMap = std::map<std::uint8_t, Utilization>;

          UtilizationTypeMap prevUtilizationTypeMap_;

          UtilizationTypeMap currUtilizationTypeMap_;

          TimePoint lastActivityTime_;

          NbrSet oneHopNbrSet_;

          NbrSet commonNbrSet_;

          NbrSet hiddenNbrSet_;

          float fEstimatedNumCommonNeighbors_;

          float fHiddenChannelActivity_;

          float fAverageHiddenRxPowerMilliWatts_;

          float fAverageCommonRxPowerMilliWatts_;
        };
     }
  } 
}
#endif  //EMANEMODELSIEEE802ABGNEIGHBORENTRY_HEADER_