/usr/include/mongo/util/progress_meter.h is in mongodb-dev 1:2.4.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // progress_meter.h
/* Copyright 2009 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 <boost/noncopyable.hpp>
#include <string>
namespace mongo {
class ProgressMeter : boost::noncopyable {
public:
ProgressMeter(unsigned long long total,
int secondsBetween = 3,
int checkInterval = 100,
std::string units = "",
std::string name = "Progress")
: _showTotal(true),
_units(units),
_name(name) {
reset( total , secondsBetween , checkInterval );
}
ProgressMeter() : _active(0), _showTotal(true), _units(""), _name("Progress") {}
// typically you do ProgressMeterHolder
void reset( unsigned long long total , int secondsBetween = 3 , int checkInterval = 100 );
void finished() { _active = 0; }
bool isActive() const { return _active; }
/**
* @param n how far along we are relative to the total # we set in CurOp::setMessage
* @return if row was printed
*/
bool hit( int n = 1 );
void setUnits( const std::string& units ) { _units = units; }
std::string getUnit() const { return _units; }
void setName(std::string name) { _name = name; }
std::string getName() const { return _name; }
void setTotalWhileRunning( unsigned long long total ) {
_total = total;
}
unsigned long long done() const { return _done; }
unsigned long long hits() const { return _hits; }
unsigned long long total() const { return _total; }
void showTotal(bool doShow) {
_showTotal = doShow;
}
std::string toString() const;
bool operator==( const ProgressMeter& other ) const { return this == &other; }
private:
bool _active;
unsigned long long _total;
bool _showTotal;
int _secondsBetween;
int _checkInterval;
unsigned long long _done;
unsigned long long _hits;
int _lastTime;
std::string _units;
std::string _name;
};
// e.g.:
// CurOp * op = cc().curop();
// ProgressMeterHolder pm(op->setMessage("index: (1/3) external sort", "Index: External Sort Progress", d->stats.nrecords, 10));
// loop { pm.hit(); }
class ProgressMeterHolder : boost::noncopyable {
public:
ProgressMeterHolder( ProgressMeter& pm )
: _pm( pm ) {
}
~ProgressMeterHolder() {
_pm.finished();
}
ProgressMeter* operator->() { return &_pm; }
ProgressMeter* get() { return &_pm; }
bool hit( int n = 1 ) { return _pm.hit( n ); }
void finished() { _pm.finished(); }
bool operator==( const ProgressMeter& other ) { return _pm == other; }
private:
ProgressMeter& _pm;
};
}
|