otamanager.h

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/*
 * Copyright (c) 2013-2016 - Adjacent Link LLC, Bridgewater, New Jersey
 * Copyright (c) 2008-2012 - DRS CenGen, LLC, Columbia, Maryland
 * All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 *
 * * 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
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 *   the documentation and/or other materials provided with the
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 *   contributors may be used to endorse or promote products derived
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#ifndef EMANEOTAMANAGER_HEADER_
#define EMANEOTAMANAGER_HEADER_

#include "otaprovider.h"
#include "emane/inetaddr.h"
#include "multicastsocket.h"
#include "otastatisticpublisher.h"
#include "eventstatisticpublisher.h"

#include "emane/utils/singleton.h"

#include <map>
#include <queue>
#include <atomic>
#include <thread>

#include <uuid.h>


namespace EMANE
{
  class OTAManager : public OTAProvider,
                     public Utils::Singleton<OTAManager>
  {
  public:
    OTAManager();

    ~OTAManager();

    void sendOTAPacket(NEMId id,
                       const DownstreamPacket & pkt,
                       const ControlMessages & msgs) const override;

    void registerOTAUser(NEMId id, OTAUser * pOTAUser) override;

    void unregisterOTAUser(NEMId id) override;

    void open(const INETAddr & otaGroupAddress,
              const std::string & sDevice,
              bool bLoopback,
              int iTTL,
              const uuid_t & uuid);

    void setStatPacketCountRowLimit(size_t rows);

    void setStatEventCountRowLimit(size_t rows);

  private:
    typedef std::map<NEMId,OTAUser *> NEMUserMap;
    std::thread thread_;
    NEMUserMap nemUserMap_;
    INETAddr otaGroupAddress_;
    MulticastSocket mcast_;
    bool bOpen_;
    uuid_t uuid_;
    mutable OTAStatisticPublisher otaStatisticPublisher_;
    mutable EventStatisticPublisher eventStatisticPublisher_;
    mutable std::atomic<std::uint64_t> u64SequenceNumber_;

    void processOTAMessage();
  };

  using OTAManagerSingleton = OTAManager;
}

#endif //EMANEOTAMANAGER_HEADER_