Time.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/utilities/fwd-tdme.h>
 
#include <chrono>
#include <ctime>
#include <string>
 
using std::chrono::duration_cast;
using std::chrono::high_resolution_clock;
using std::chrono::milliseconds;
using std::string;
 
/**
 * Time utility class
 * @author mahula
 * @version $Id$
 */
class tdme::utilities::Time
{
public:
 
    /**
     * Retrieve current time in milliseconds
     * @return int64_t
     */
    inline static int64_t getCurrentMillis() {
        // TODO: check clock_gettime from time.h
        //  struct timespec now;
        //  clock_gettime(CLOCK_REALTIME, &now);
        //  return (now.tv_sec * 1000L) + (now.tv_nsec / 1000000L);
        return high_resolution_clock::now().time_since_epoch() / milliseconds(1);
    }
 
    /**
     * Get date/time as string
     * @param format format, see strftime
     * @return date/time as string
     */
    inline static string getAsString(const string& format = "%Y-%m-%d %H:%M:%S") {
        // see: https://stackoverflow.com/questions/34963738/c11-get-current-date-and-time-as-string
        std::time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
        char timeString[256] = {0};
        std::strftime(timeString, sizeof(timeString), format.c_str(), std::localtime(&now));
        return string(timeString);
    }
};