NewNet/nnratelimiter.h

/*  NewNet - A networking framework in C++
    Copyright (C) 2006 Ingmar K. Steen (iksteen@gmail.com)

    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 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

 */

#ifndef NEWNET_RATELIMITER_H
#define NEWNET_RATELIMITER_H

#include "nnobject.h"

namespace NewNet
{

  class RateLimiter : public Object
  {
  public:

    RateLimiter();

#ifndef DOCYGEN_UNDOCUMENTED
    ~RateLimiter();
#endif // DOXYGEN_UNDOCUMENTED


    ssize_t limit() const
    {
      return m_Limit;
    }


    void setLimit(ssize_t limit)
    {
      m_Limit = limit;
    }


    void transferred(ssize_t bytes);


    long nextWindow();

  private:
    /* Flush old data from the vector */
    void flush();

    ssize_t m_Limit;

#ifndef DOXYGEN_UNDOCUMENTED
    // The collection data depends on platform specific types, hide it
    struct Data;
    struct Data * m_Data;
#endif // DOXYGEN_UNDOCUMENTED
  };
}

#endif // NEWNET_RATELIMITER_H

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