process-nack-traits.hpp

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

#include "strategy.hpp"

namespace nfd {
namespace fw {

class ProcessNackTraitsBase : noncopyable
{
protected:
  virtual
  ~ProcessNackTraitsBase() = default;

  void
  processNack(const Face& inFace, const lp::Nack& nack,
              const shared_ptr<pit::Entry>& pitEntry);

private:
  virtual void
  sendNackForProcessNackTraits(const shared_ptr<pit::Entry>& pitEntry, const Face& outFace,
                               const lp::NackHeader& header) = 0;

  virtual void
  sendNacksForProcessNackTraits(const shared_ptr<pit::Entry>& pitEntry,
                                const lp::NackHeader& header) = 0;
};

template<typename S>
class ProcessNackTraits : public ProcessNackTraitsBase
{
protected:
  explicit
  ProcessNackTraits(S* strategy)
    : m_strategy(strategy)
  {
  }

private:
  void
  sendNackForProcessNackTraits(const shared_ptr<pit::Entry>& pitEntry, const Face& outFace,
                               const lp::NackHeader& header) override
  {
    m_strategy->sendNack(pitEntry, outFace, header);
  }

  void
  sendNacksForProcessNackTraits(const shared_ptr<pit::Entry>& pitEntry,
                                const lp::NackHeader& header) override
  {
    m_strategy->sendNacks(pitEntry, header);
  }

private:
  S* m_strategy;
};

} // namespace fw
} // namespace nfd

#endif // NFD_DAEMON_FW_PROCESS_NACK_TRAITS_HPP