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// progress_meter.cpp
/* 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.
*/
#include "mongo/pch.h" // needed for log.h
#include "mongo/util/progress_meter.h"
#include "mongo/util/log.h"
using namespace std;
namespace mongo {
void ProgressMeter::reset( unsigned long long total , int secondsBetween , int checkInterval) {
_total = total;
_secondsBetween = secondsBetween;
_checkInterval = checkInterval;
_done = 0;
_hits = 0;
_lastTime = (int)time(0);
_active = 1;
}
bool ProgressMeter::hit( int n ) {
if ( ! _active ) {
warning() << "hit an inactive ProgressMeter" << endl;
return false;
}
_done += n;
_hits++;
if ( _hits % _checkInterval )
return false;
int t = (int) time(0);
if ( t - _lastTime < _secondsBetween )
return false;
if ( _total > 0 ) {
int per = (int)( ( (double)_done * 100.0 ) / (double)_total );
LogstreamBuilder out = log();
out << "\t\t" << _name << ": " << _done;
if (_showTotal) {
out << '/' << _total << '\t' << per << '%';
}
if ( ! _units.empty() ) {
out << "\t(" << _units << ")";
}
out << endl;
}
_lastTime = t;
return true;
}
string ProgressMeter::toString() const {
if ( ! _active )
return "";
stringstream buf;
buf << _name << ": " << _done << '/' << _total << ' ' << (_done*100)/_total << '%';
if ( ! _units.empty() ) {
buf << "\t(" << _units << ")" << endl;
}
return buf.str();
}
}
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