TokenBucket.h

/*
** libutil++
** $Id: TokenBucket.h 1653 2016-02-28 19:54:59Z sella $
** Copyright (c) 2011-2016 Digital Genesis, LLC. All Rights Reserved.
** Released under the LGPL Version 2.1 License.
** http://www.digitalgenesis.com
*/

#ifndef __libutilxx__sella__algo__TokenBucket_H__
#define __libutilxx__sella__algo__TokenBucket_H__

#include "../../common.h"

#include <stdint.h>

#include <memory>

namespace sella {
        namespace algo {
                class TokenBucket;
        }
}

class sella::algo::TokenBucket {
        public:
                TokenBucket(const TokenBucket & chain, double limit) throw ();
                TokenBucket(double limit) throw ();

                bool sub(double value, bool blocking = false) throw ();
                bool add(double value) throw ();

        private:
                std::shared_ptr<TokenBucket>    chain;

                uint64_t        stamp;

                double  limit;
                double  value;
};

#endif

/*
** vim: noet ts=3 sw=3
*/