PublicProjectLibrary/include/tool/timedlockdata.hpp

//
// Created by zx on 22-12-1.
//

#pragma once
#include <chrono>
#include <mutex>

template <typename T>
class TimedLockData {
public:
    TimedLockData();
    void reset(const T& tdata,double timeout=0.1);
    bool timeout();
    T Get();

protected:
    T data_;
    std::chrono::steady_clock::time_point tp_;
    std::mutex mutex_;
    double timeout_;

};

template <typename T>
TimedLockData<T>::TimedLockData()
{
  timeout_=0.1;
}

template <typename T>
void TimedLockData<T>::reset(const T& tdata,double timeout)
{
  std::lock_guard<std::mutex> lck (mutex_);
  data_=tdata;
  timeout_=timeout;
  tp_=std::chrono::steady_clock::now();
}

template <typename T>
bool TimedLockData<T>::timeout()
{
  auto now=std::chrono::steady_clock::now();
  auto duration = std::chrono::duration_cast<std::chrono::microseconds>(now - tp_);
  double time = double(duration.count()) * std::chrono::microseconds::period::num / std::chrono::microseconds::period::den;
  return time>timeout_;
}

template <typename T>
T TimedLockData<T>::Get()
{
  std::lock_guard<std::mutex> lck (mutex_);
  return data_;
}