//
// Created by xtkuang on 2025/5/14.
//

#ifndef CMVR_ES_TIMER_H
#define CMVR_ES_TIMER_H

#include <sys/timerfd.h>
#include <unistd.h>
#include <functional>
#include <thread>
#include <atomic>
#include <system_error>
#include <iostream>
#include <cstring>
#include <utility>

class FDTimer {
public:
    using Callback = std::function<void()>;

    FDTimer();
    ~FDTimer();
    void start(std::chrono::nanoseconds interval, Callback callback);
    void stop();
    [[nodiscard]] bool is_running() const;

private:
    static timespec toTimespec(std::chrono::nanoseconds ns);

    int fd_;
    std::atomic<bool> running_;
    Callback callback_;
    std::thread worker_thread_;
};

#endif //CMVR_ES_TIMER_H