retx-suppression-exponential.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_DAEMON_FW_RETX_SUPPRESSION_EXPONENTIAL_HPP
#define NFD_DAEMON_FW_RETX_SUPPRESSION_EXPONENTIAL_HPP

#include "retx-suppression.hpp"

namespace nfd {
namespace fw {

class RetxSuppressionExponential : public RetxSuppression
{
public:
  typedef time::microseconds Duration;

  explicit
  RetxSuppressionExponential(const Duration& initialInterval = DEFAULT_INITIAL_INTERVAL,
                             float multiplier = DEFAULT_MULTIPLIER,
                             const Duration& maxInterval = DEFAULT_MAX_INTERVAL);

  virtual Result
  decide(const Face& inFace, const Interest& interest,
         pit::Entry& pitEntry) const DECL_OVERRIDE;

public:
  class PitInfo;

public:
  static const Duration DEFAULT_INITIAL_INTERVAL;
  static const float DEFAULT_MULTIPLIER;
  static const Duration DEFAULT_MAX_INTERVAL;

private:
  const Duration m_initialInterval;
  const float m_multiplier;
  const Duration m_maxInterval;
};

} // namespace fw
} // namespace nfd

#endif // NFD_DAEMON_FW_RETX_SUPPRESSION_EXPONENTIAL_HPP