99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
#ifndef UTIL_TIMER_H
|
|
#define UTIL_TIMER_H
|
|
|
|
#include <atomic>
|
|
#include <functional>
|
|
#include <thread>
|
|
#include "Helpers.h"
|
|
|
|
|
|
namespace PresenceDetection {
|
|
namespace Util {
|
|
|
|
class Timer
|
|
{
|
|
public:
|
|
Timer();
|
|
~Timer();
|
|
|
|
Timer(const Timer&) = delete;
|
|
Timer& operator= (const Timer&) = delete;
|
|
|
|
Timer(Timer&& other);
|
|
Timer& operator= (Timer&& other);
|
|
|
|
bool operator==(const Timer& other) const;
|
|
bool operator==(const std::string& identifier) const;
|
|
bool operator==(bool running) const;
|
|
|
|
public:
|
|
std::string Identifier() const;
|
|
|
|
template <typename ...FunctionArguments, typename ...Arguments>
|
|
void StartSingle(int interval, std::function<void(FunctionArguments...)> const & function, Arguments && ...arguments)
|
|
{
|
|
Start(TimerType::Single, interval, function, std::forward<Arguments>(arguments)...);
|
|
}
|
|
|
|
template <typename ...FunctionArguments, typename ...Arguments>
|
|
void StartContinuous(int interval, std::function<void(FunctionArguments...)> const & function, Arguments && ...arguments)
|
|
{
|
|
Start(TimerType::Continuous, interval, function, std::forward<Arguments>(arguments)...);
|
|
}
|
|
|
|
void Stop();
|
|
bool IsRunning() const noexcept;
|
|
void Wait();
|
|
|
|
private:
|
|
class TimerType
|
|
{
|
|
public:
|
|
enum type
|
|
{
|
|
Unknown,
|
|
Single,
|
|
Continuous
|
|
};
|
|
};
|
|
|
|
private:
|
|
template <typename ...FunctionArguments, typename ...Arguments>
|
|
void Start(TimerType::type type, int interval, std::function<void(FunctionArguments...)> const & function, Arguments && ...arguments)
|
|
{
|
|
if (type == TimerType::Unknown)
|
|
return;
|
|
|
|
if (m_run.load(std::memory_order_acquire))
|
|
Stop();
|
|
|
|
m_thread = std::thread([this, type, interval, function, &arguments...]()
|
|
{
|
|
auto argumentsCopy = std::make_tuple(std::forward<Arguments>(arguments)...);
|
|
m_run.store(true, std::memory_order_release);
|
|
|
|
while (m_run.load(std::memory_order_acquire))
|
|
{
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(interval));
|
|
Helpers::execute(function, argumentsCopy);
|
|
if (type == TimerType::Single)
|
|
m_run.store(false, std::memory_order_release);
|
|
}
|
|
});
|
|
|
|
while (!IsRunning())
|
|
{
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::atomic<bool> m_run;
|
|
std::string m_identifier;
|
|
std::thread m_thread;
|
|
};
|
|
|
|
} // namespace Util
|
|
} // namespace PresenceDetection
|
|
|
|
#endif // UTIL_TIMER_H
|