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
#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
#[derive(Deserialize, Serialize)]
pub struct ProcPath(PathBuf);
impl Default for ProcPath
{
#[inline(always)]
fn default() -> Self
{
ProcPath(PathBuf::from("/proc"))
}
}
impl ProcPath
{
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn global_zoned_virtual_memory_statistics(&self) -> io::Result<HashMap<VirtualMemoryStatisticName, u64>>
{
self.file_path("vmstat").parse_virtual_memory_statistics_file()
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn memory_information(&self, memory_information_name_prefix: &str) -> Result<MemoryInformation, MemoryInformationParseError>
{
self.file_path("meminfo").parse_memory_information_file(memory_information_name_prefix)
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn filesystems(&self) -> Result<FileSystemTypeList, io::Error>
{
let file_path = self.file_path("filesystems");
FileSystemTypeList::parse(&file_path)
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn mounts(&self) -> Result<Mounts, io::Error>
{
let file_path = self.file_path("self/mounts");
Mounts::parse(&file_path)
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn modules(&self) -> Result<LinuxKernelModulesList, LinuxKernelModulesListParseError>
{
let file_path = self.file_path("modules");
LinuxKernelModulesList::parse(&file_path)
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn linux_command_line_parameters(&self) -> Result<LinuxKernelCommandLineParameters, io::Error>
{
let file_path = self.file_path("cmdline");
LinuxKernelCommandLineParameters::parse(&file_path)
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub fn write_system_control_values(&self, settings: HashMap<String, u64>) -> io::Result<()>
{
for (setting_name, setting_value) in settings.iter()
{
let file_path = self.file_path(&format!("sys/{}", setting_name));
file_path.write_value(setting_value)?;
}
Ok(())
}
#[inline(always)]
#[cfg(any(target_os = "android", target_os = "linux"))]
pub(crate) fn maximum_number_of_open_file_descriptors(&self) -> io::Result<u64>
{
self.file_path("sys/fs/nr_open").read_value()
}
#[cfg(any(target_os = "android", target_os = "linux"))]
#[inline(always)]
fn file_path(&self, file_name: &str) -> PathBuf
{
let mut path = self.path();
path.push(file_name);
path
}
#[cfg(any(target_os = "android", target_os = "linux"))]
#[inline(always)]
fn path(&self) -> PathBuf
{
self.0.to_owned()
}
}