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/*************************************************************** -*- c++ -*-
* Copyright (c) 2003,2004 by Marcel Wiesweg *
* *
* 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. *
* *
***************************************************************************/
#ifndef __LEGACYSTORAGE_H
#define __LEGACYSTORAGE_H
#include "storage.h"
class LegacyStorage : public Storage {
private:
void initMaxStorage(int maxMB=-1);
public:
LegacyStorage(int maxMB);
virtual ~LegacyStorage();
virtual void cleanUp();
virtual StorageHandle openForWriting(PageID page);
virtual StorageHandle openForReading(PageID page, bool countAsAccess);
virtual ssize_t write(const void *ptr, size_t size, StorageHandle stream);
virtual ssize_t read(void *ptr, size_t size, StorageHandle stream)
{ return ::read((int)stream, ptr, size); }
virtual void close(StorageHandle stream)
{ ::close((int)stream); }
protected:
void registerFile(PageID page);
virtual int actualFileSize(int netFileSize);
//int maxPages;
long maxBytes;
int fsBlockSize;
int pageBytes;
};
#endif
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