1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
use ::DiskExt;
use super::system::get_all_data;
use libc::statvfs;
use std::{mem, str};
use std::fmt::{Debug, Error, Formatter};
use std::str::FromStr;
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum DiskType {
HDD,
SSD,
Unknown(isize),
}
impl From<isize> for DiskType {
fn from(t: isize) -> DiskType {
match t {
0 => DiskType::HDD,
1 => DiskType::SSD,
id => DiskType::Unknown(id),
}
}
}
pub fn new_disk(name: &str, mount_point: &str, file_system: &str) -> Disk {
#[allow(or_fun_call)]
let type_ = isize::from_str(get_all_data(&format!("/sys/block/{}/queue/rotational",
name)).unwrap_or(String::new())
.lines()
.next()
.unwrap_or("-1")).unwrap_or(-1);
let mut mount_point = mount_point.as_bytes().to_vec();
mount_point.push(0);
let mut total_space = 0;
let mut available_space = 0;
unsafe {
let mut stat: statvfs = mem::zeroed();
if statvfs(mount_point.as_ptr() as *const i8, &mut stat) == 0 {
total_space = stat.f_bsize as u64 * stat.f_blocks as u64;
available_space = stat.f_bsize as u64 * stat.f_bavail as u64;
}
}
Disk {
type_: DiskType::from(type_),
name: name.to_owned(),
file_system: file_system.to_owned(),
mount_point: mount_point,
total_space: total_space,
available_space: available_space,
}
}
pub struct Disk {
type_: DiskType,
name: String,
file_system: String,
mount_point: Vec<u8>,
total_space: u64,
available_space: u64,
}
impl Debug for Disk {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
write!(fmt,
"Disk({:?})[FS: {:?}][Type: {:?}] mounted on {:?}: {}/{} B",
self.get_name(), self.get_file_system(), self.get_type(), self.get_mount_point(),
self.get_available_space(), self.get_total_space())
}
}
impl DiskExt for Disk {
fn get_type(&self) -> DiskType {
self.type_
}
fn get_name(&self) -> &str {
&self.name
}
fn get_file_system(&self) -> &str {
&self.file_system
}
fn get_mount_point(&self) -> &str {
unsafe { str::from_utf8_unchecked(&self.mount_point[..self.mount_point.len() - 1]) }
}
fn get_total_space(&self) -> u64 {
self.total_space
}
fn get_available_space(&self) -> u64 {
self.available_space
}
fn update(&mut self) -> bool {
unsafe {
let mut stat: statvfs = mem::zeroed();
if statvfs(self.mount_point.as_ptr() as *const i8, &mut stat) == 0 {
self.available_space = stat.f_bsize as u64 * stat.f_bavail as u64;
true
} else {
false
}
}
}
}