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cat_device.hpp
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1/*********************************************************************/
2// dar - disk archive - a backup/restoration program
3// Copyright (C) 2002-2025 Denis Corbin
4//
5// This program is free software; you can redistribute it and/or
6// modify it under the terms of the GNU General Public License
7// as published by the Free Software Foundation; either version 2
8// of the License, or (at your option) any later version.
9//
10// This program is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with this program; if not, write to the Free Software
17// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18//
19// to contact the author, see the AUTHOR file
20/*********************************************************************/
21
25
26#ifndef CAT_DEVICE_HPP
27#define CAT_DEVICE_HPP
28
29#include "../my_config.h"
30
31extern "C"
32{
33} // end extern "C"
34
35#include "cat_inode.hpp"
36#include "integers.hpp"
37
38namespace libdar
39{
40
43
45
46 class cat_device : public cat_inode
47 {
48 public :
49 cat_device(const infinint & uid, const infinint & gid, U_16 perm,
50 const datetime & last_access,
51 const datetime & last_modif,
52 const datetime &last_change,
53 const std::string & name,
54 U_16 major,
55 U_16 minor,
56 const infinint & fs_device);
57 cat_device(const std::shared_ptr<user_interaction> & dialog,
58 const smart_pointer<pile_descriptor> & pdesc,
59 const archive_version & reading_ver,
60 saved_status saved,
61 bool small);
62 cat_device(const cat_device & ref) = default;
63 cat_device(cat_device && ref) noexcept = default;
64 cat_device & operator = (const cat_device & ref) = default;
65 cat_device & operator = (cat_device && ref) = default;
66 ~cat_device() = default;
67
68 virtual bool operator == (const cat_entree & ref) const override;
69
70 int get_major() const { if(get_saved_status() != saved_status::saved) throw SRC_BUG; else return xmajor; };
71 int get_minor() const { if(get_saved_status() != saved_status::saved) throw SRC_BUG; else return xminor; };
72 void set_major(int x) { xmajor = x; };
73 void set_minor(int x) { xminor = x; };
74
75 // using method is_more_recent_than() from cat_inode class
76 // using method has_changed_since() from cat_inode class
77 // signature is left pure abstract
78
79 protected :
80 virtual void sub_compare(const cat_inode & other,
81 bool isolated_mode,
82 bool seq_read_mode) const override;
83 virtual void inherited_dump(const pile_descriptor & pdesc, bool small) const override;
84
85 private :
86 U_16 xmajor, xminor;
87 };
88
90
91} // end of namespace
92
93#endif
cat_inode.hpp
base object for all inode types, managed EA and FSA, dates, permissions, ownership,...
libdar::archive_version
class archive_version manages the version of the archive format
Definition archive_version.hpp:47
libdar::cat_device
the special cat_device root class
Definition cat_device.hpp:47
libdar::cat_device::operator==
virtual bool operator==(const cat_entree &ref) const override
returns true if the two object are the same
libdar::cat_device::inherited_dump
virtual void inherited_dump(const pile_descriptor &pdesc, bool small) const override
true if object has been created by sequential reading of an archive
libdar::cat_entree
the root class from all other inherite for any entry in the catalogue
Definition cat_entree.hpp:60
libdar::cat_entree::get_saved_status
saved_status get_saved_status() const
obtain the saved status of the object
Definition cat_entree.hpp:164
libdar::cat_inode
the root class for all cat_inode
Definition cat_inode.hpp:53
libdar::cat_inode::perm
U_16 perm
inode's permission
Definition cat_inode.hpp:183
libdar::cat_inode::uid
infinint uid
inode owner's user ID
Definition cat_inode.hpp:181
libdar::cat_inode::cat_inode
cat_inode(const infinint &xuid, const infinint &xgid, U_16 xperm, const datetime &last_access, const datetime &last_modif, const datetime &last_change, const std::string &xname, const infinint &device)
flag used to only consider certain fields when comparing/restoring inodes
libdar::cat_inode::gid
infinint gid
inode owner's group ID
Definition cat_inode.hpp:182
libdar::datetime
stores time information
Definition datetime.hpp:59
libdar::infinint
the arbitrary large positive integer class
Definition real_infinint.hpp:62
libdar::smart_pointer
smart pointer class to be used to automagically manage multiple time pointed to address
Definition smart_pointer.hpp:79
libdar::saved_status
saved_status
data saved status for an entry
Definition cat_status.hpp:44
libdar::saved_status::saved
@ saved
inode is saved in the archive
integers.hpp
are defined here basic integer types that tend to be portable
my_config.h
include macro defined by the configure script and some specific additional ones
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47