gparted/include/Proc_Partitions_Info.h

60 lines
1.8 KiB
C++

/* Copyright (C) 2010 Curtis Gedak
*
* 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/>.
*/
/* Proc_Partitions_Info
*
* A persistent cache of information from the file /proc/partitions
* that helps to minimize the number of required disk reads.
*/
#ifndef GPARTED_PROC_PARTITIONS_INFO_H
#define GPARTED_PROC_PARTITIONS_INFO_H
#include "BlockSpecial.h"
#include <glibmm/ustring.h>
#include <vector>
namespace GParted
{
class Proc_Partitions_Info
{
public:
static void load_cache();
static const std::vector<Glib::ustring> & get_device_paths();
static std::vector<Glib::ustring> get_device_and_partition_paths_for(
const std::vector<Glib::ustring>& device_paths);
private:
static void initialize_if_required();
static void load_proc_partitions_info_cache();
static bool is_whole_disk_device_name(const Glib::ustring& name);
static std::vector<Glib::ustring> get_partition_paths_for(const Glib::ustring& name);
static bool is_partition_of_device(const Glib::ustring& partname, const Glib::ustring& devname);
static bool proc_partitions_info_cache_initialized ;
static std::vector<BlockSpecial> all_entries_cache;
static std::vector<Glib::ustring> device_paths_cache ;
};
}//GParted
#endif /* GPARTED_PROC_PARTITIONS_INFO_H */