time-custom-clock.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2024 Regents of the University of California.
 *
 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
 *
 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_UTIL_TIME_CUSTOM_CLOCK_HPP
#define NDN_CXX_UTIL_TIME_CUSTOM_CLOCK_HPP
 
#include "ndn-cxx/util/time.hpp"
 
#include <memory>
 
namespace ndn::time {
 
template<typename BaseClock>
class CustomClock
{
public:
  virtual
  ~CustomClock() = default;
 
  virtual typename BaseClock::time_point
  getNow() const = 0;
 
  virtual std::string
  getSince() const = 0;
 
  virtual typename BaseClock::duration
  toWaitDuration(typename BaseClock::duration d) const = 0;
};
 
using CustomSystemClock = CustomClock<system_clock>;
using CustomSteadyClock = CustomClock<steady_clock>;
 
void
setCustomClocks(std::shared_ptr<CustomSteadyClock> steadyClock = nullptr,
                std::shared_ptr<CustomSystemClock> systemClock = nullptr);
 
} // namespace ndn::time
 
#endif // NDN_CXX_UTIL_TIME_CUSTOM_CLOCK_HPP