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
//
// Sysinfo
//
// Copyright (c) 2017 Guillaume Gomez
//
use sys::{Component, Disk, DiskType, Process, Processor};
use libc::pid_t;
use std::collections::HashMap;
/// Contains all the methods of the `Disk` struct.
pub trait DiskExt {
/// Returns the disk type.
fn get_type(&self) -> DiskType;
/// Returns the disk name.
fn get_name(&self) -> &str;
/// Returns the file system used on this disk (so for example: `EXT4`, `NTFS`, etc...).
fn get_file_system(&self) -> &str;
/// Returns the mount point of the disk (`/` for example).
fn get_mount_point(&self) -> &str;
/// Returns the total disk size, in bytes.
fn get_total_space(&self) -> u64;
/// Returns the available disk size, in bytes.
fn get_available_space(&self) -> u64;
/// Update the disk' information.
fn update(&mut self) -> bool;
}
/// Contains all the methods of the `Process` struct.
pub trait ProcessExt {
/// Create a new process only containing the given information.
fn new(pid: pid_t, parent: Option<pid_t>, start_time: u64) -> Self;
/// Sends the given `signal` to the process.
fn kill(&self, signal: ::Signal) -> bool;
}
/// Contains all the methods of the `Processor` struct.
pub trait ProcessorExt {
/// Returns this processor's usage.
fn get_cpu_usage(&self) -> f32;
/// Returns this processor's name.
fn get_name(&self) -> &str;
}
/// Contains all the methods of the `System` struct.
pub trait SystemExt {
/// Creates a new `System` instance. It only contains the disks' list at this stage. Use the
/// [`refresh_all`] method to update its internal information (or any of the `refresh_` method).
///
/// [`refresh_all`]: #method.refresh_all
fn new() -> Self;
/// Refresh system information (such as memory, swap, CPU usage and components' temperature).
fn refresh_system(&mut self);
/// Get all processes and update their information.
fn refresh_processes(&mut self);
/// Refreshes the listed disks' information.
fn refresh_disks(&mut self);
/// The disk list will be emptied then completely recomputed.
fn refresh_disk_list(&mut self);
/// Refreshes all system, processes and disks information.
fn refresh_all(&mut self) {
self.refresh_system();
self.refresh_processes();
self.refresh_disks();
}
/// Returns the process list.
fn get_process_list(&self) -> &HashMap<pid_t, Process>;
/// Returns the process corresponding to the given pid or `None` if no such process exists.
fn get_process(&self, pid: pid_t) -> Option<&Process>;
/// Returns a list of process starting with the given name.
fn get_process_by_name(&self, name: &str) -> Vec<&Process>;
/// The first processor in the array is the "main" process.
fn get_processor_list(&self) -> &[Processor];
/// Returns total RAM size.
fn get_total_memory(&self) -> u64;
/// Returns free RAM size.
fn get_free_memory(&self) -> u64;
/// Returns used RAM size.
fn get_used_memory(&self) -> u64;
/// Returns SWAP size.
fn get_total_swap(&self) -> u64;
/// Returns free SWAP size.
fn get_free_swap(&self) -> u64;
/// Returns used SWAP size.
fn get_used_swap(&self) -> u64;
/// Returns components list.
fn get_components_list(&self) -> &[Component];
/// Returns disks' list.
fn get_disks(&self) -> &[Disk];
}