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// @file elapsed_tracker.h
/**
* Copyright (C) 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.
*/
#pragma once
#include <cstdint>
#include "mongo/util/time_support.h"
namespace mongo {
class ClockSource;
/** Keep track of elapsed time. After a set amount of time, tells you to do something. */
class ElapsedTracker {
public:
ElapsedTracker(ClockSource* cs, int32_t hitsBetweenMarks, Milliseconds msBetweenMarks);
/**
* Call this for every iteration.
* @return true if one of the triggers has gone off.
*/
bool intervalHasElapsed();
void resetLastTime();
private:
ClockSource* const _clock;
const int32_t _hitsBetweenMarks;
const Milliseconds _msBetweenMarks;
int32_t _pings;
Date_t _last;
};
} // namespace mongo
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