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//! Data collection for temperature metrics.
//!
//! For Linux and macOS, this is handled by Heim.
//! For Windows, this is handled by sysinfo.
cfg_if::cfg_if! {
if #[cfg(target_os = "linux")] {
pub mod linux;
pub use self::linux::*;
} else if #[cfg(any(target_os = "freebsd", target_os = "macos", target_os = "windows", target_os = "android", target_os = "ios"))] {
pub mod sysinfo;
pub use self::sysinfo::*;
}
}
#[derive(Default, Debug, Clone)]
pub enum TemperatureReading {
Value(f32),
#[default]
Unavailable,
Off,
}
#[derive(Default, Debug, Clone)]
pub struct TempHarvest {
pub name: String,
pub temperature: TemperatureReading,
}
#[derive(Clone, Debug, Copy, PartialEq, Eq, Default)]
pub enum TemperatureType {
#[default]
Celsius,
Kelvin,
Fahrenheit,
}
impl TemperatureType {
/// Given a temperature in Celsius, covert it if necessary for a different unit.
pub fn convert_temp_unit(&self, temp_celsius: f32) -> f32 {
fn convert_celsius_to_kelvin(celsius: f32) -> f32 {
celsius + 273.15
}
fn convert_celsius_to_fahrenheit(celsius: f32) -> f32 {
(celsius * (9.0 / 5.0)) + 32.0
}
match self {
TemperatureType::Celsius => temp_celsius,
TemperatureType::Kelvin => convert_celsius_to_kelvin(temp_celsius),
TemperatureType::Fahrenheit => convert_celsius_to_fahrenheit(temp_celsius),
}
}
}
#[cfg(test)]
mod test {
use crate::data_collection::temperature::TemperatureType;
#[test]
fn temp_conversions() {
const TEMP: f32 = 100.0;
assert_eq!(
TemperatureType::Celsius.convert_temp_unit(TEMP),
TEMP,
"celsius to celsius is the same"
);
assert_eq!(TemperatureType::Kelvin.convert_temp_unit(TEMP), 373.15);
assert_eq!(TemperatureType::Fahrenheit.convert_temp_unit(TEMP), 212.0);
}
}
|
