Bzip2FileSet.h

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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4; -*-
// vim: set shiftwidth=4 softtabstop=4 expandtab:
/*
 ********************************************************************
 ** NIDAS: NCAR In-situ Data Acquistion Software
 **
 ** 2009, Copyright University Corporation for Atmospheric Research
 **
 ** 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.
 **
 ** The LICENSE.txt file accompanying this software contains
 ** a copy of the GNU General Public License. If it is not found,
 ** write to the Free Software Foundation, Inc.,
 ** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 **
 ********************************************************************
 */
 
#include <nidas/Config.h>
 
#ifdef HAVE_BZLIB_H
 
#ifndef NIDAS_UTIL_FILESETBZIP2_H
#define NIDAS_UTIL_FILESETBZIP2_H
 
#define _FILE_OFFSET_BITS 64
 
#include "FileSet.h"
 
#include <bzlib.h>
 
namespace nidas { namespace util {
 
class Bzip2FileSet: public FileSet {
public:
 
    Bzip2FileSet();
 
    Bzip2FileSet(const Bzip2FileSet& x);
 
    Bzip2FileSet& operator=(const Bzip2FileSet& x);
 
    Bzip2FileSet* clone() const;
 
    ~Bzip2FileSet();
 
    void closeFile();
 
    void openFileForWriting(const std::string& filename);
 
    void openNextFile();
 
    size_t read(void* buf, size_t count);
 
    size_t write(const void* buf, size_t count);
 
    size_t write(const struct iovec* iov, int iovcnt);
 
private:
 
    FILE* _fp;
 
    BZFILE* _bzfp;
 
    int _blockSize100k;
 
    int _small;
 
    bool _openedForWriting;
 
};
 
}}  // namespace nidas namespace util
 
#endif
#endif