timer.h
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#ifndef TIMER_H
#define TIMER_H
#include <functional>
#include <thread>
#include <list>
#include "logger.h"
#include "utils.h"
#define MAX_TIMER_EVENTS 32
struct CallbackEntry
{
uint64_t lastExecuted = currentMSecsSinceEpoch(); // assume the first one executed to avoid instantly calling it.
uint64_t interval = 0;
std::function<void ()> f = nullptr;
std::string name;
void updateExectedAt();
uint64_t getNextCallMs() const;
bool operator <(const CallbackEntry &other) const;
};
// Simple timer that calls your callback. The callback is executed on the timer thread.
class Timer
{
std::thread t;
int epollfd = 0;
int fd = 0;
uint64_t sleeptime = 1000;
int running = false;
Logger *logger = Logger::getInstance();
std::vector<CallbackEntry> callbacks;
void sortAndSetSleeptimeTillNext();
void process();
void wakeUpPoll();
public:
Timer();
~Timer();
void start();
void stop();
void addCallback(std::function<void()> f, uint64_t interval_ms, const std::string &name);
};
#endif // TIMER_H