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/*
* disk.hh - Public definition of the Disk class
* diskman, the Disk Manipulation library for
* Project Horizon
*
* Copyright (c) 2020 Adélie Linux and contributors. All rights reserved.
* This code is licensed under the AGPL 3.0 license, as noted in the
* LICENSE-code file in the root directory of this repository.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#ifndef DISKMAN__DISK_HH
#define DISKMAN__DISK_HH
#include <memory>
#include <string>
namespace Horizon {
namespace DiskMan {
/*! Represents a fixed disk device. */
class Disk {
public:
/*! Potential disk label types */
enum Label {
/*! GUID Partition Table, common on x86 and POWER */
GPT,
/*! Master Boot Record, common on x86 and ARM */
MBR,
/*! Apple Partition Map, common on POWER */
APM,
/*! Unknown disk label type */
Unknown
};
/*! Retrieve the disk's name. For instance, "sda" or "nvme0n1". */
const std::string name() const { return this->_name; }
/*! Retrieve the disk's model. This is specified by the vendor. */
const std::string model() const { return this->_model; }
/*! Retrieve the disk's serial number. This may be equivalent to
* the model name, if the vendor did not specify a serial number. */
const std::string serial() const { return this->_full_serial; }
/*! Retrieve the device node for this disk. For instance, "/dev/sda". */
const std::string node() const { return this->_node; }
/*! Retrieve the system device path for this disk. */
const std::string dev_path() const { return this->_devpath; }
/*! Determine if this disk has a disk label attached. */
bool has_label() const { return this->_has_label; }
/*! Retrieve the type of disk label in use on this disk.
* Only valid if has_label() is true. */
enum Label label() const { return this->_label; }
/*! Determine if this disk has a file system written to it.
* If this method returns true, the file system is directly written to
* the disk; it is not a partition inside a disklabel. */
bool has_fs() const { return this->_has_fs; }
/*! Retrieve the type of file system written on this disk.
* Only valid if has_fs() is true. */
const std::string fs_type() const { return this->_fs_type; }
/*! Retrieve the label of the file system written on this disk.
* Only valid if has_fs() is true. */
const std::string fs_label() const { return this->_fs_label; }
private:
/*! The name of the disk ("sda") */
std::string _name;
/*! The model name of the disk ("WDC WDBNCE2500PNC") */
std::string _model;
/*! The full serial number of the disk */
std::string _full_serial;
/*! The device node of the disk ("/dev/sda") */
std::string _node;
/*! The device path of the disk ("/sys/devices/...") */
std::string _devpath;
/*! Whether this disk has a disklabel */
bool _has_label;
/*! The type of disk label used, if +has_label+ is true */
enum Label _label;
/*! Whether this disk has a direct filesystem (non-labelled) */
bool _has_fs;
/*! The type of file system in use, if +has_fs+ is true */
std::string _fs_type;
/*! The label of the file system, if +has_fs+ is true */
std::string _fs_label;
Disk(void *creation, bool partition);
friend class DiskMan;
};
}
}
#endif /* !DISKMAN__DISK_HH */
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