cat_device.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2026 Denis Corbin
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/

 
#ifndef CAT_DEVICE_HPP
#define CAT_DEVICE_HPP
 
#include "../my_config.h"
 
extern "C"
{
} // end extern "C"
 
#include "cat_inode.hpp"
#include "integers.hpp"
 
namespace libdar
{


 
    class cat_device : public cat_inode
    {
    public :
        cat_device(const infinint & uid, const infinint & gid, U_16 perm,
           const datetime & last_access,
           const datetime & last_modif,
           const datetime &last_change,
           const std::string & name,
           U_16 major,
           U_16 minor,
           const infinint & fs_device);
        cat_device(const std::shared_ptr<user_interaction> & dialog,
           const smart_pointer<pile_descriptor> & pdesc,
           const archive_version & reading_ver,
           saved_status saved,
           bool small);
    cat_device(const cat_device & ref) = default;
    cat_device(cat_device && ref) noexcept = default;
    cat_device & operator = (const cat_device & ref) = default;
    cat_device & operator = (cat_device && ref) = default;
    ~cat_device() = default;
 
    virtual bool operator == (const cat_entree & ref) const override;
 
        int get_major() const { if(get_saved_status() != saved_status::saved) throw SRC_BUG; else return xmajor; };
        int get_minor() const { if(get_saved_status() != saved_status::saved) throw SRC_BUG; else return xminor; };
        void set_major(int x) { xmajor = x; };
        void set_minor(int x) { xminor = x; };
 
            // using method is_more_recent_than() from cat_inode class
            // using method has_changed_since() from cat_inode class
            // signature is left pure abstract
 
    protected :
        virtual void sub_compare(const cat_inode & other,
                 bool isolated_mode,
                 bool seq_read_mode) const override;
        virtual void inherited_dump(const pile_descriptor & pdesc, bool small) const override;
 
    private :
        U_16 xmajor, xminor;
    };

 
} // end of namespace
 
#endif