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refactor: some more cleanups around linux temp code (#1360)

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Clement Tsang 2023-12-20 19:18:50 -05:00 committed by GitHub
parent a67da93c5f
commit 854f3aed95
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1 changed files with 69 additions and 32 deletions
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101
src/app/data_harvester/temperature/linux.rs
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@ -20,7 +20,7 @@ struct HwmonResults {
}
/// Parses and reads temperatures that were in millidegree Celsius, and if successful, returns a temperature in Celsius.
fn read_temp(path: &Path) -> Result<f32> {
fn parse_temp(path: &Path) -> Result<f32> {
Ok(fs::read_to_string(path)?
.trim_end()
.parse::<f32>()
@ -104,12 +104,6 @@ fn humanize_name(name: String, sensor_name: Option<&String>) -> String {
#[inline]
fn counted_name(seen_names: &mut HashMap<String, u32>, name: String) -> String {
let name = if name.is_empty() {
EMPTY_NAME.to_string()
} else {
name
};
if let Some(count) = seen_names.get_mut(&name) {
*count += 1;
format!("{name} ({count})")
@ -125,15 +119,55 @@ fn finalize_name(
fallback_sensor_name: &Option<String>, seen_names: &mut HashMap<String, u32>,
) -> String {
let candidate_name = match (hwmon_name, sensor_label) {
(Some(name), Some(label)) => format!("{name}: {label}"),
(None, Some(label)) => match &fallback_sensor_name {
Some(sensor_name) => format!("{sensor_name}: {label}"),
None => label,
(Some(name), Some(label)) => match (name.is_empty(), label.is_empty()) {
(false, false) => {
format!("{name}: {label}")
}
(true, false) => match fallback_sensor_name {
Some(fallback) if !fallback.is_empty() => {
if label.is_empty() {
fallback.to_owned()
} else {
format!("{fallback}: {label}")
}
}
_ => {
if label.is_empty() {
EMPTY_NAME.to_string()
} else {
label
}
}
},
(false, true) => name.to_owned(),
(true, true) => EMPTY_NAME.to_string(),
},
(Some(name), None) => name,
(None, Some(label)) => match fallback_sensor_name {
Some(fallback) if !fallback.is_empty() => {
if label.is_empty() {
fallback.to_owned()
} else {
format!("{fallback}: {label}")
}
}
_ => {
if label.is_empty() {
EMPTY_NAME.to_string()
} else {
label
}
}
},
(Some(name), None) => {
if name.is_empty() {
EMPTY_NAME.to_string()
} else {
name
}
}
(None, None) => match fallback_sensor_name {
Some(sensor_name) => sensor_name.to_owned(),
None => EMPTY_NAME.to_string(),
Some(sensor_name) if !sensor_name.is_empty() => sensor_name.to_owned(),
_ => EMPTY_NAME.to_string(),
},
};
@ -204,12 +238,12 @@ fn hwmon_temperatures(temp_type: &TemperatureType, filter: &Option<Filter>) -> H
let sensor_name = read_to_string_lossy(file_path.join("name"));
if !is_device_awake(&file_path) {
if let Some(sensor_name) = sensor_name {
temperatures.push(TempHarvest {
name: sensor_name,
temperature: None,
});
}
let name = finalize_name(None, None, &sensor_name, &mut seen_names);
temperatures.push(TempHarvest {
name,
temperature: None,
});
continue;
}
@ -282,17 +316,14 @@ fn hwmon_temperatures(temp_type: &TemperatureType, filter: &Option<Filter>) -> H
let name = finalize_name(hwmon_name, sensor_label, &sensor_name, &mut seen_names);
// TODO: It's possible we may want to move the filter check further up to avoid probing hwmon if not needed?
if is_temp_filtered(filter, &name) {
let temp_celsius = if let Ok(temp) = read_temp(&temp_path) {
temp
} else {
continue;
};
temperatures.push(TempHarvest {
name,
temperature: Some(temp_type.convert_temp_unit(temp_celsius)),
});
if let Ok(temp_celsius) = parse_temp(&temp_path) {
temperatures.push(TempHarvest {
name,
temperature: Some(temp_type.convert_temp_unit(temp_celsius)),
});
}
}
}
}
@ -305,7 +336,7 @@ fn hwmon_temperatures(temp_type: &TemperatureType, filter: &Option<Filter>) -> H
}
/// Gets data from `/sys/class/thermal/thermal_zone*`. This should only be used if
/// [`hwmon_temperatures`] doesn't return anything.
/// [`hwmon_temperatures`] doesn't return anything to avoid duplicate sensor results.
///
/// See [the Linux kernel documentation](https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-thermal)
/// for more details.
@ -329,9 +360,15 @@ fn add_thermal_zone_temperatures(
let name_path = file_path.join("type");
if let Some(name) = read_to_string_lossy(name_path) {
let name = if name.is_empty() {
EMPTY_NAME.to_string()
} else {
name
};
if is_temp_filtered(filter, &name) {
let temp_path = file_path.join("temp");
if let Ok(temp_celsius) = read_temp(&temp_path) {
if let Ok(temp_celsius) = parse_temp(&temp_path) {
let name = counted_name(&mut seen_names, name);
temperatures.push(TempHarvest {