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