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// progress_meter.cpp
/* Copyright 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#define MONGO_PCH_WHITELISTED
#include "mongo/platform/basic.h"
#include "mongo/pch.h"
#undef MONGO_PCH_WHITELISTED // 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 << " " << _name << ": " << _done;
if (_showTotal) {
out << '/' << _total << ' ' << per << '%';
}
if ( ! _units.empty() ) {
out << " (" << _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 << " (" << _units << ")" << endl;
}
return buf.str();
}
}
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