first draft

This commit is contained in:
WanderingPenwing 2024-07-31 01:38:04 +02:00
commit deb8af44ee
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/target

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battery = "0.7.8"
sysinfo = "0.30.13"

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{ pkgs ? import <nixpkgs> { overlays = [ (import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz)) ]; },}:
with pkgs;
mkShell {
nativeBuildInputs = with xorg; [
pkg-config
] ++ [
cargo
rustc
];
buildInputs = [
latest.rustChannels.stable.rust
];
}

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use std::process::Command;
use std::thread::sleep;
use std::time::Duration;
use chrono::Local;
use sysinfo::System;
use chrono::Timelike;
use sysinfo::Cpu;
//use reqwest::Client;
const BATTERY_STATE : [&str; 5] = ["", "", "", "", ""];
const CPU_STATE : [&str; 5] = ["", "", "", "", ""];
fn main() {
let manager = battery::Manager::new().expect("could not create battery manager");
let mut sys = System::new();
let mut battery = manager.batteries().expect("could not fetch battery").next().expect("there should be a battery").expect("the battery should be okay");
loop {
let time_str = time_display();
battery.refresh().expect("could not refresh battery");
let battery_charging = battery.time_to_empty().is_none();
let battery_str = battery_display(&battery);
sys.refresh_cpu();
let cpu_str = cpu_display(sys.cpus());
sys.refresh_memory();
let mem_str = mem_display(sys.used_memory());
display(format!("| {} | {} | {} | {} ", mem_str, cpu_str, battery_str, time_str));
let mut event = false;
sleep(Duration::from_secs(1));
while Local::now().second() != 0 && !event {
sleep(Duration::from_secs(1));
battery.refresh().expect("could not refresh battery");
if battery.time_to_empty().is_none() != battery_charging && battery.state_of_charge().value != 1.0 {
event = true;
}
}
}
}
fn display(status: String) {
let output = Command::new("xsetroot")
.arg("-name")
.arg(&status)
.output()
.expect("Failed to execute command");
if !output.status.success() {
eprintln!(
"Command failed with error: {}",
String::from_utf8_lossy(&output.stderr)
);
}
}
fn time_display() -> String {
let now = Local::now();
now.format("%H:%M").to_string()
}
fn battery_display(battery: &battery::Battery) -> String {
if battery.state_of_charge().value == 1.0 {
return "".to_string()
}
let state = BATTERY_STATE[(battery.state_of_charge().value * 5.0) as usize];
if battery.time_to_empty().is_none() {
return format!("{}", state)
}
return format!(" {} ", state)
}
fn cpu_display(cpus : &[Cpu]) -> String {
let mut total_usage: f32 = 0.0;
let n_cpus = cpus.len() as f32;
for cpu in cpus {
total_usage += cpu.cpu_usage();
}
let cpu_usage = (total_usage / n_cpus) as usize;
let mut cpu_temp : f32 = 0.0;
let components = sysinfo::Components::new_with_refreshed_list();
for component in &components {
if component.label() == "k10temp Tctl" {
cpu_temp = component.temperature();
}
}
let cpu_state = match cpu_temp {
t if t < 45.0 => CPU_STATE[0],
t if t < 55.0 => CPU_STATE[1],
t if t < 65.0 => CPU_STATE[2],
t if t < 75.0 => CPU_STATE[3],
_ => CPU_STATE[4],
};
let cpu_space = if cpu_usage < 10 {
" "
} else {
""
};
return format!("{}{} {}", cpu_space, cpu_usage, cpu_state);
}
fn mem_display(mem_usage: u64) -> String {
let used_memory_gb = mem_usage as f64 / 1024.0 / 1024.0 / 1024.0;
return format!(" {:.1}", used_memory_gb);
}
//fn measure_bandwidth(url: &str, duration_secs: u64) -> reqwest::Result<f64> {
// let client = Client::new();
// let mut response = client.get(url).send().await?;
//
// let start = Instant::now();
// let mut total_bytes = 0;
// let mut buffer = vec![0; 64 * 1024]; // 64 KB buffer
//
// while start.elapsed().as_secs() < duration_secs {
// match response.copy_to(&mut buffer).await {
// Ok(n) => total_bytes += n,
// Err(e) => return Err(e.into()),
// }
// }
//
// let elapsed = start.elapsed().as_secs_f64();
// let bandwidth = total_bytes as f64 / elapsed; // Bytes per second
// println!("Downloaded {:.2} Mb/s measured in {:.2} seconds", bandwidth / (1024.0 * 1024.0), elapsed);
//
// Ok(bandwidth / (1024.0 * 1024.0))
//}
//
//fn internet_display() -> String {
// match measure_bandwidth("https://example.com", 5).await {
// Ok(bandwidth) => {
// return format!("{} Mb/s", bandwidth)
// }
// Err(e) => {
// eprintln!("Error measuring bandwidth: {}", e);
// return " ".to_string()
// }
// }
//}