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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "utils/log.h"
#include <chrono>
#include <limits>
#include <thread>
namespace XbmcThreads
{
template<typename>
struct is_chrono_duration : std::false_type
{
};
template<typename Rep, typename Period>
struct is_chrono_duration<std::chrono::duration<Rep, Period>> : std::true_type
{
};
template<typename T = std::chrono::milliseconds, bool = is_chrono_duration<T>::value>
class EndTime;
template<typename T>
class EndTime<T, true>
{
public:
explicit EndTime(const T duration) { Set(duration); }
EndTime() = default;
EndTime(const EndTime& right) = delete;
~EndTime() = default;
static constexpr T Max() { return m_max; }
void Set(const T duration)
{
m_startTime = std::chrono::steady_clock::now();
if (duration > m_max)
{
m_totalWaitTime = m_max;
CLog::Log(LOGWARNING, "duration ({}) greater than max ({}) - duration will be truncated!",
duration.count(), m_max.count());
}
else
{
m_totalWaitTime = duration;
}
}
bool IsTimePast() const
{
const auto now = std::chrono::steady_clock::now();
return ((now - m_startTime) >= m_totalWaitTime);
}
T GetTimeLeft() const
{
const auto now = std::chrono::steady_clock::now();
const auto left = ((m_startTime + m_totalWaitTime) - now);
if (left < T::zero())
return T::zero();
return std::chrono::duration_cast<T>(left);
}
void SetExpired() { m_totalWaitTime = T::zero(); }
void SetInfinite() { m_totalWaitTime = m_max; }
T GetInitialTimeoutValue() const { return m_totalWaitTime; }
std::chrono::steady_clock::time_point GetStartTime() const { return m_startTime; }
private:
std::chrono::steady_clock::time_point m_startTime;
T m_totalWaitTime = T::zero();
static constexpr T m_max =
std::chrono::duration_cast<T>(std::chrono::steady_clock::duration::max());
};
} // namespace XbmcThreads
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