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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-18 21:44:02 +03:00
2023-03-02 15:59:42 +00:00

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2.0 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
//
// $Id: timestamp.cpp 9210 2013-01-21 14:10:42Z rdempsey $
//
#include <unistd.h>
#include <sys/time.h>
#include <ctime>
#include <string>
#include <cstring>
#include <cstdio>
using namespace std;
#include "timestamp.h"
namespace
{
const struct timeval zerotime = {0, 0};
}
namespace joblist
{
JSTimeStamp::JSTimeStamp()
: fFirstInsertTime(zerotime)
, fLastInsertTime(zerotime)
, fEndofInputTime(zerotime)
, fFirstReadTime(zerotime)
, fLastReadTime(zerotime)
{
}
/* static */
const string JSTimeStamp::format(const struct timeval& tvbuf)
{
string res;
char timeString[50];
struct tm tmbuf;
localtime_r(&tvbuf.tv_sec, &tmbuf);
strftime(timeString, 50, "%F %T", &tmbuf);
const int len = strlen(timeString);
snprintf(&timeString[len], (50 - len), ".%06lu", tvbuf.tv_usec);
res = timeString;
return res;
}
/* static */
const string JSTimeStamp::tsdiffstr(const struct timeval& t2, const struct timeval& t1)
{
string res;
int ds;
int dus;
char timeString[50];
dus = t2.tv_usec - t1.tv_usec;
ds = t2.tv_sec - t1.tv_sec;
if (dus < 0)
{
ds--;
dus += 1000000;
}
snprintf(timeString, 50, "%d.%06d", ds, dus);
res = timeString;
return res;
}
/* static */
const string JSTimeStamp::timeNow()
{
struct timeval tv;
gettimeofday(&tv, 0);
return JSTimeStamp::format(tv);
}
} // namespace joblist