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101 lines
1.7 KiB
C++
101 lines
1.7 KiB
C++
#ifndef TIME_UTILS_H
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#define TIME_UTILS_H
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#include "chunk.h"
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#include <sys/time.h>
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static std::string timeToStr(const timeval& timestamp)
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{
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char tmbuf[64], buf[64];
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struct tm *nowtm;
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time_t nowtime;
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nowtime = timestamp.tv_sec;
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nowtm = localtime(&nowtime);
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strftime(tmbuf, sizeof tmbuf, "%Y-%m-%d %H:%M:%S", nowtm);
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snprintf(buf, sizeof buf, "%s.%06d", tmbuf, (int)timestamp.tv_usec);
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return buf;
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}
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static timeval getTimeval(const Chunk* chunk)
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{
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timeval ts;
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ts.tv_sec = chunk->tv_sec;
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ts.tv_usec = chunk->tv_usec;
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return ts;
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}
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static void setTimeval(Chunk* chunk, timeval tv)
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{
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chunk->tv_sec = tv.tv_sec;
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chunk->tv_usec = tv.tv_usec;
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}
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static std::string chunkTime(const Chunk* chunk)
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{
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return timeToStr(getTimeval(chunk));
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}
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static long diff_ms(const timeval& t1, const timeval& t2)
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{
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return (((t1.tv_sec - t2.tv_sec) * 1000000) +
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(t1.tv_usec - t2.tv_usec))/1000;
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}
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static long getAge(const Chunk* chunk)
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{
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timeval now;
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gettimeofday(&now, NULL);
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return diff_ms(now, getTimeval(chunk));
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}
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static long getAge(const timeval& tv)
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{
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timeval now;
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gettimeofday(&now, NULL);
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return diff_ms(now, tv);
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}
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static long getTickCount()
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{
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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return now.tv_sec*1000 + now.tv_nsec / 1000000;
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}
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static void addMs(timeval& tv, int ms)
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{
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if (ms < 0)
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{
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timeval t;
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t.tv_sec = -ms / 1000;
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t.tv_usec = (-ms % 1000) * 1000;
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timersub(&tv, &t, &tv);
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return;
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}
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tv.tv_usec += ms*1000;
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tv.tv_sec += (tv.tv_usec / 1000000);
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tv.tv_usec %= 1000000;
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}
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static void addMs(Chunk* chunk, int ms)
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{
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timeval tv = getTimeval(chunk);
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addMs(tv, ms);
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chunk->tv_sec = tv.tv_sec;
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chunk->tv_usec = tv.tv_usec;
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}
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#endif
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