libmedium/hwmon/sync_hwmon/
helper_functions.rs

1use super::Hwmon;
2
3use crate::parsing::{Error as ParsingError, Result as ParsingResult};
4use crate::sensors::{sync_sensors::SyncSensorExt, Error as SensorError};
5
6use std::{collections::BTreeMap, io::ErrorKind as IoErrorKind, path::Path};
7
8pub(crate) fn check_path(path: impl AsRef<Path>) -> ParsingResult<()> {
9    let path = path.as_ref();
10
11    if let Err(e) = path.metadata() {
12        return Err(ParsingError::hwmon_dir(e, path));
13    }
14
15    Ok(())
16}
17
18pub(crate) fn get_name(path: impl AsRef<Path>) -> ParsingResult<String> {
19    let name_path = path.as_ref().join("name");
20
21    std::fs::read_to_string(&name_path)
22        .map(|name| name.trim().to_string())
23        .map_err(|e| ParsingError::hwmon_name(e, name_path))
24}
25
26pub(crate) fn get_label(path: impl AsRef<Path>) -> ParsingResult<String> {
27    let label_path = path.as_ref().join("label");
28
29    std::fs::read_to_string(&label_path)
30        .map(|label| label.trim().to_string())
31        .map_err(|e| ParsingError::hwmon_label(e, label_path))
32}
33
34pub(crate) fn init_sensors<S>(hwmon: &Hwmon, start_index: u16) -> ParsingResult<BTreeMap<u16, S>>
35where
36    S: SyncSensorExt,
37{
38    let mut stop_index = start_index;
39
40    let dir = hwmon
41        .path()
42        .read_dir()
43        .map_err(|e| ParsingError::hwmon_dir(e, hwmon.path()))?;
44
45    for entry in dir {
46        let entry = entry.map_err(|e| SensorError::read(e, hwmon.path()))?;
47        let file_name = entry.file_name().to_string_lossy().to_string();
48
49        if !file_name.starts_with(S::static_base()) {
50            continue;
51        }
52
53        let index = file_name
54            .trim_matches(|ch: char| !ch.is_ascii_digit())
55            .parse()
56            .unwrap_or(0);
57
58        if index > stop_index {
59            stop_index = index;
60        }
61    }
62
63    let mut sensors = BTreeMap::new();
64
65    for index in start_index..=stop_index {
66        match S::parse(hwmon, index) {
67            Ok(sensor) => {
68                sensors.insert(index, sensor);
69            }
70            Err(e) => match &e {
71                SensorError::Read { source, .. } => {
72                    if source.kind() != IoErrorKind::NotFound {
73                        return Err(e.into());
74                    }
75                }
76                _ => return Err(e.into()),
77            },
78        }
79    }
80
81    Ok(sensors)
82}
libmedium/hwmon/sync_hwmon/helper_functions.rs

libmedium/hwmon/sync_hwmon/
helper_functions.rs
