gparted/include/LVM2_PV_Info.h
Daniel Mustieles 3861b9257b Replace obsolete FSF postal address in copyright notices (#721565)
This is part of parent bug:
    Bug #721455 - Obsolete info in license text on multiple modules

and GNOME Goal:
    https://wiki.gnome.org/Initiatives/GnomeGoals/Proposals

    * verify all source files to make sure they have a license and a
      copyright, and that both are up-to-date

Bug #721565 -  License text contains obsolete FSF postal address
2014-01-26 10:53:23 +00:00

71 lines
2.7 KiB
C++

/* Copyright (C) 2012 Mike Fleetwood
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* LVM2_PV_Info
*
* A persistent cache of information about LVM2 PVs that helps to
* minimize the number of executions of lvm commands used to query
* their attributes.
*/
#ifndef GPARTED_LVM2_PV_INFO_H
#define GPARTED_LVM2_PV_INFO_H
#include "../include/Utils.h"
namespace GParted
{
class LVM2_PV_Info
{
public:
LVM2_PV_Info() ;
LVM2_PV_Info( bool do_refresh ) ;
~LVM2_PV_Info() ;
bool is_lvm2_pv_supported() ;
Glib::ustring get_vg_name( const Glib::ustring & path ) ;
Byte_Value get_size_bytes( const Glib::ustring & path ) ;
Byte_Value get_free_bytes( const Glib::ustring & path ) ;
bool has_active_lvs( const Glib::ustring & path ) ;
bool is_vg_exported( const Glib::ustring & vgname ) ;
std::vector<Glib::ustring> get_vg_members( const Glib::ustring & vgname ) ;
std::vector<Glib::ustring> get_error_messages( const Glib::ustring & path ) ;
private:
void initialize_if_required() ;
void set_command_found() ;
void load_lvm2_pv_info_cache() ;
Glib::ustring get_pv_attr_by_path( const Glib::ustring & path, unsigned int entry ) const ;
Glib::ustring get_pv_attr_by_row( unsigned int row, unsigned int entry ) const ;
Glib::ustring get_vg_attr_by_name( const Glib::ustring & vgname, unsigned int entry ) const ;
Glib::ustring get_vg_attr_by_row( unsigned int row, unsigned int entry ) const ;
static Glib::ustring get_attr_by_name( const std::vector<Glib::ustring> cache,
const Glib::ustring name, unsigned int entry ) ;
static Glib::ustring get_attr_by_row( const std::vector<Glib::ustring> cache,
unsigned int row, unsigned int entry ) ;
static Byte_Value lvm2_pv_attr_to_num( const Glib::ustring str ) ;
static bool bit_set( const Glib::ustring & attr, unsigned int bit ) ;
static bool lvm2_pv_info_cache_initialized ;
static bool lvm_found ;
static std::vector<Glib::ustring> lvm2_pv_cache ;
static std::vector<Glib::ustring> lvm2_vg_cache ;
static std::vector<Glib::ustring> error_messages ;
};
}//GParted
#endif /* GPARTED_LVM2_PV_INFO_H */