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// @file time_support.h
/* Copyright 2010 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <ctime>
#include <string>
#include <boost/thread/xtime.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "mongo/bson/util/misc.h" // Date_t
namespace mongo {
void time_t_to_Struct(time_t t, struct tm * buf , bool local = false );
// uses ISO 8601 dates without trailing Z
// colonsOk should be false when creating filenames
std::string terseCurrentTime(bool colonsOk=true);
std::string timeToISOString(time_t time);
boost::gregorian::date currentDate();
// parses time of day in "hh:mm" format assuming 'hh' is 00-23
bool toPointInTime( const std::string& str , boost::posix_time::ptime* timeOfDay );
void sleepsecs(int s);
void sleepmillis(long long ms);
void sleepmicros(long long micros);
class Backoff {
public:
Backoff( int maxSleepMillis, int resetAfter ) :
_maxSleepMillis( maxSleepMillis ),
_resetAfterMillis( maxSleepMillis + resetAfter ), // Don't reset < the max sleep
_lastSleepMillis( 0 ),
_lastErrorTimeMillis( 0 )
{}
void nextSleepMillis();
private:
// Parameters
int _maxSleepMillis;
int _resetAfterMillis;
// Last sleep information
int _lastSleepMillis;
unsigned long long _lastErrorTimeMillis;
};
// DO NOT TOUCH except for testing
void jsTimeVirtualSkew( long long skew );
void jsTimeVirtualThreadSkew( long long skew );
long long getJSTimeVirtualThreadSkew();
/** Date_t is milliseconds since epoch */
Date_t jsTime();
/** warning this will wrap */
unsigned curTimeMicros();
unsigned long long curTimeMicros64();
unsigned long long curTimeMillis64();
// these are so that if you use one of them compilation will fail
char *asctime(const struct tm *tm);
char *ctime(const time_t *timep);
struct tm *gmtime(const time_t *timep);
struct tm *localtime(const time_t *timep);
#if defined(MONGO_BOOST_TIME_UTC_HACK) || (BOOST_VERSION >= 105000)
#define MONGO_BOOST_TIME_UTC boost::TIME_UTC_
#else
#define MONGO_BOOST_TIME_UTC boost::TIME_UTC
#endif
} // namespace mongo
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