syndilights/open-lighting-architecture/ola-0.8.4/include/olad/TokenBucket.h

54 lines
1.5 KiB
C++

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* TokenBucket.h
* Header file for the token bucket class
* Copyright (C) 2010 Simon Newton
*/
#ifndef INCLUDE_OLAD_TOKENBUCKET_H_
#define INCLUDE_OLAD_TOKENBUCKET_H_
#include "ola/Clock.h"
namespace ola {
class TokenBucket {
public:
TokenBucket(unsigned int initial,
unsigned int rate_per_second,
unsigned int max,
const TimeStamp &now):
m_count(initial),
m_rate(rate_per_second),
m_max(max),
m_last(now) {
}
bool GetToken(const TimeStamp &now);
unsigned int Count(const TimeStamp &now);
private:
unsigned int m_count;
unsigned int m_rate;
unsigned int m_max;
TimeStamp m_last;
TokenBucket(const TokenBucket&);
TokenBucket& operator=(const TokenBucket&);
};
} // ola
#endif // INCLUDE_OLAD_TOKENBUCKET_H_