1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// @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 <iosfwd>
#include <ctime>
#include <string>
#include <boost/thread/xtime.hpp>
#include <boost/version.hpp>
#include "mongo/base/status_with.h"
#include "mongo/client/export_macros.h"
namespace mongo {
void time_t_to_Struct(time_t t, struct tm * buf , bool local = false );
std::string time_t_to_String(time_t t);
std::string time_t_to_String_short(time_t t);
struct Date_t {
// TODO: make signed (and look for related TODO's)
unsigned long long millis;
Date_t(): millis(0) {}
Date_t(unsigned long long m): millis(m) {}
operator unsigned long long&() { return millis; }
operator const unsigned long long&() const { return millis; }
void toTm (tm *buf);
std::string toString() const;
time_t toTimeT() const;
int64_t asInt64() const {
return static_cast<int64_t>(millis);
}
static const Date_t maxFormatableDate;
};
// uses ISO 8601 dates without trailing Z
// colonsOk should be false when creating filenames
std::string terseCurrentTime(bool colonsOk=true);
/**
* Formats "time" according to the ISO 8601 extended form standard, including date,
* and time, in the UTC timezone.
*
* Sample format: "2013-07-23T18:42:14Z"
*/
std::string timeToISOString(time_t time);
/**
* Formats "date" according to the ISO 8601 extended form standard, including date,
* and time with milliseconds decimal component, in the UTC timezone.
*
* Sample format: "2013-07-23T18:42:14.072Z"
*/
std::string dateToISOStringUTC(Date_t date);
/**
* Formats "date" according to the ISO 8601 extended form standard, including date,
* and time with milliseconds decimal component, in the local timezone.
*
* Sample format: "2013-07-23T18:42:14.072-05:00"
*/
std::string dateToISOStringLocal(Date_t date);
/**
* Formats "date" in fixed width in the local time zone.
*
* Sample format: "Wed Oct 31 13:34:47.996"
*/
std::string dateToCtimeString(Date_t date);
/**
* Parses a Date_t from an ISO 8601 string representation.
*
* Sample formats: "2013-07-23T18:42:14.072-05:00"
* "2013-07-23T18:42:14.072Z"
*
* Local times are currently not supported.
*/
StatusWith<Date_t> dateFromISOString(const StringData& dateString);
/**
* Like dateToISOStringUTC, except outputs to a std::ostream.
*/
void outputDateAsISOStringUTC(std::ostream& os, Date_t date);
/**
* Like dateToISOStringLocal, except outputs to a std::ostream.
*/
void outputDateAsISOStringLocal(std::ostream& os, Date_t date);
/**
* Like dateToCtimeString, except outputs to a std::ostream.
*/
void outputDateAsCtime(std::ostream& os, Date_t date);
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 );
MONGO_CLIENT_API void sleepsecs(int s);
MONGO_CLIENT_API void sleepmillis(long long ms);
MONGO_CLIENT_API 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();
/**
* testing-only function. used in dbtests/basictests.cpp
*/
int getNextSleepMillis(int lastSleepMillis, unsigned long long currTimeMillis,
unsigned long long lastErrorTimeMillis) const;
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
|
