AsyncResolverRandom.h

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/*  AsyncResolverRandom.h - random number generation
    
    By djb, http://cr.yp.to/djbdns.html.  The random number generator
    along with the rest of the client was placed in the public domain.

    Copyright (C) 2004 Mark Weaver
    Written by Mark Weaver <mark@npsl.co.uk>

    Part of the Open-Win32 library.
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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 Library General Public
    License along with this library; if not, write to the
    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA  02111-1307, USA.
*/

#ifndef OW32_AsyncResolverRandom_h
#define OW32_AsyncResolverRandom_h

#include <OW32/OW32Libs.h>

namespace OW32
{

class OW32_LIB_EXPORT CAsyncResolverRandom
{
public:
    CAsyncResolverRandom() {}
    
    CAsyncResolverRandom(const char data[128])
    {
        initialise(data);
    }

    void initialise(const char data[128]);

    unsigned int random(unsigned int n);

private:
    void surf();

    unsigned int    m_seed[32];
    unsigned int    m_in[12];
    unsigned int    m_out[8];
    int             m_outleft;
};

} // namespace OW32

#endif // OW32_AsyncResolverRandom_h

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