mirror of
https://github.com/NotAShelf/microfetch.git
synced 2024-11-22 15:40:41 +00:00
modularize
This commit is contained in:
parent
198fd107d7
commit
29e4ccc806
6 changed files with 223 additions and 203 deletions
6
src/colors.rs
Normal file
6
src/colors.rs
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@ -0,0 +1,6 @@
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pub const RESET: &str = "\x1b[0m";
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pub const BLUE: &str = "\x1b[34m";
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pub const CYAN: &str = "\x1b[36m";
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pub const GREEN: &str = "\x1b[32m";
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pub const YELLOW: &str = "\x1b[33m";
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pub const RED: &str = "\x1b[31m";
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13
src/desktop.rs
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13
src/desktop.rs
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@ -0,0 +1,13 @@
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use std::{env, io};
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pub fn get_desktop_info() -> Result<String, io::Error> {
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let desktop_env = env::var("XDG_CURRENT_DESKTOP").unwrap_or_default();
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let display_backend = env::var("XDG_SESSION_TYPE").unwrap_or_default();
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// Trim "none+" from the start of desktop_env if present
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// XXX: This is a workaround for NixOS modules that set XDG_CURRENT_DESKTOP to "none+foo"
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// instead of just "foo"
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let desktop_env = desktop_env.trim_start_matches("none+");
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Ok(format!("{} ({})", desktop_env, display_backend))
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}
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215
src/main.rs
215
src/main.rs
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@ -1,18 +1,16 @@
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use color_eyre::{Report, Result};
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use libc::statfs as libc_statfs_struct;
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use std::env;
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use std::ffi::CString;
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use std::fs::{self, File};
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use std::io::{self, BufRead, Read};
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use std::path::Path;
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use std::process::Command;
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mod colors;
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mod desktop;
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mod release;
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mod system;
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mod uptime;
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const RESET: &str = "\x1b[0m";
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const BLUE: &str = "\x1b[34m";
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const CYAN: &str = "\x1b[36m";
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const GREEN: &str = "\x1b[32m";
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const YELLOW: &str = "\x1b[33m";
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const RED: &str = "\x1b[31m";
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use color_eyre::{Report, Result};
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use crate::colors::{BLUE, CYAN, RESET};
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use crate::desktop::get_desktop_info;
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use crate::release::{get_os_pretty_name, get_system_info};
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use crate::system::{get_disk_usage, get_memory_usage, get_username_and_hostname};
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use crate::uptime::get_system_uptime;
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fn main() -> Result<(), Report> {
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color_eyre::install()?;
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@ -42,192 +40,3 @@ fn main() -> Result<(), Report> {
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Ok(())
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}
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fn get_username_and_hostname() -> Result<String, io::Error> {
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let username = env::var("USER").unwrap_or_else(|_| "unknown_user".to_string());
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let output = Command::new("hostname").output()?;
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let hostname = String::from_utf8_lossy(&output.stdout).trim().to_string();
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Ok(format!("{YELLOW}{}{RED}@{GREEN}{}", username, hostname))
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}
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fn get_disk_usage() -> Result<String, io::Error> {
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let path = CString::new("/").expect("CString::new failed");
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let mut fs_stat: libc_statfs_struct = unsafe { std::mem::zeroed() };
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let result = unsafe { libc::statfs(path.as_ptr(), &mut fs_stat) };
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if result != 0 {
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return Err(io::Error::last_os_error());
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}
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let block_size = fs_stat.f_bsize as u64;
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let total_blocks = fs_stat.f_blocks as u64;
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let free_blocks = fs_stat.f_bfree as u64;
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let total_size_bytes = total_blocks * block_size;
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let used_size_bytes = (total_blocks - free_blocks) * block_size;
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let total_size_gib = total_size_bytes as f64 / (1024.0 * 1024.0 * 1024.0);
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let used_size_gib = used_size_bytes as f64 / (1024.0 * 1024.0 * 1024.0);
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let percentage_used = (used_size_bytes as f64 / total_size_bytes as f64) * 100.0;
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let formatted_total_size = format!("{:.2}", total_size_gib);
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let formatted_used_size = format!("{:.2}", used_size_gib);
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let formatted_percentage_used = format!("{:.0}", percentage_used);
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Ok(format!(
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"{} GiB / {} GiB ({CYAN}{}%{RESET})",
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formatted_used_size, formatted_total_size, formatted_percentage_used
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))
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}
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fn get_memory_usage() -> Result<String, io::Error> {
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fn parse_memory_info() -> Result<(f64, f64), io::Error> {
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let path = Path::new("/proc/meminfo");
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let file = File::open(path)?;
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let reader = io::BufReader::new(file);
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let mut total_memory_kb = 0.0;
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let mut available_memory_kb = 0.0;
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for line in reader.lines() {
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let line = line?;
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if line.starts_with("MemTotal:") {
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total_memory_kb = line
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.split_whitespace()
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.nth(1)
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.ok_or_else(|| {
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io::Error::new(io::ErrorKind::InvalidData, "Failed to parse MemTotal")
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})?
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.parse::<f64>()
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.unwrap_or(0.0);
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} else if line.starts_with("MemAvailable:") {
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available_memory_kb = line
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.split_whitespace()
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.nth(1)
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.ok_or_else(|| {
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io::Error::new(io::ErrorKind::InvalidData, "Failed to parse MemAvailable")
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})?
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.parse::<f64>()
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.unwrap_or(0.0);
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}
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}
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let total_memory_gb = total_memory_kb / (1024.0 * 1024.0);
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let available_memory_gb = available_memory_kb / (1024.0 * 1024.0);
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let used_memory_gb = total_memory_gb - available_memory_gb;
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Ok((used_memory_gb, total_memory_gb))
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}
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let (used_memory, total_memory) = parse_memory_info()?;
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let percentage_used = (used_memory / total_memory * 100.0).round() as u64;
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Ok(format!(
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"{:.2} GiB / {:.2} GiB ({CYAN}{}%{RESET})",
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used_memory, total_memory, percentage_used
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))
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}
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fn get_desktop_info() -> Result<String, io::Error> {
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let desktop_env = env::var("XDG_CURRENT_DESKTOP").unwrap_or_default();
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let display_backend = env::var("XDG_SESSION_TYPE").unwrap_or_default();
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// Trim "none+" from the start of desktop_env if present
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// XXX: This is a workaround for NixOS modules that set XDG_CURRENT_DESKTOP to "none+foo"
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// instead of just "foo"
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let desktop_env = desktop_env.trim_start_matches("none+");
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Ok(format!("{} ({})", desktop_env, display_backend))
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}
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fn get_os_pretty_name() -> Option<String> {
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let os_release_content = fs::read_to_string("/etc/os-release").ok()?;
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let os_release_lines: Vec<&str> = os_release_content.lines().collect();
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let pretty_name = os_release_lines
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.iter()
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.find(|line| line.starts_with("PRETTY_NAME="))
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.map(|line| {
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line.trim_start_matches("PRETTY_NAME=")
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.trim_matches('"')
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.to_string()
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});
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pretty_name
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}
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fn get_system_uptime() -> Result<String, io::Error> {
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let path = Path::new("/proc/uptime");
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let file = File::open(path)?;
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let reader = io::BufReader::new(file);
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let line = reader
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.lines()
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.next()
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.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Failed to read uptime"))??;
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let uptime_seconds: f64 = line
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.split_whitespace()
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.next()
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.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Failed to parse uptime"))?
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.parse()
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.map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
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// calculate days, hours, and minutes
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let total_minutes = (uptime_seconds / 60.0).round() as u64;
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let days = total_minutes / (60 * 24);
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let hours = (total_minutes % (60 * 24)) / 60;
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let minutes = total_minutes % 60;
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let mut parts = Vec::new();
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if days > 0 {
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parts.push(format!("{} days", days));
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}
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if hours > 0 || days > 0 {
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parts.push(format!("{} hours", hours));
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}
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if minutes > 0 || hours > 0 || days > 0 {
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parts.push(format!("{} minutes", minutes));
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}
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Ok(parts.join(", "))
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}
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fn get_system_info() -> Result<String, io::Error> {
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// Try to detect OS type as accurately as possible and without depending on uname.
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// /etc/os-release should generally imply Linux, and /etc/bsd-release would imply BSD system.
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fn detect_os() -> Result<String, io::Error> {
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if fs::metadata("/etc/os-release").is_ok() || fs::metadata("/usr/lib/os-release").is_ok() {
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Ok("Linux".to_string())
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} else if fs::metadata("/etc/rc.conf").is_ok() || fs::metadata("/etc/bsd-release").is_ok() {
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Ok("BSD".to_string())
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} else {
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Ok("Unknown".to_string())
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}
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}
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let system = detect_os()?;
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let mut kernel_release = String::new();
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fs::File::open("/proc/sys/kernel/osrelease")?.read_to_string(&mut kernel_release)?;
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let kernel_release = kernel_release.trim().to_string(); // Remove any trailing newline
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let mut cpuinfo = String::new();
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fs::File::open("/proc/cpuinfo")?.read_to_string(&mut cpuinfo)?;
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let architecture = if let Some(line) = cpuinfo.lines().find(|line| line.contains("flags")) {
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if line.contains("lm") {
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"x86_64".to_string()
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} else {
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"unknown".to_string()
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}
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} else {
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"unknown".to_string()
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};
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let result = format!("{} {} ({})", system, kernel_release, architecture);
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Ok(result)
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}
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54
src/release.rs
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54
src/release.rs
Normal file
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use color_eyre::Result;
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use std::fs::{self, read_to_string};
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use std::io::{self, Read};
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// Try to detect OS type as accurately as possible and without depending on uname.
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// /etc/os-release should generally imply Linux, and /etc/bsd-release would imply BSD system.
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fn detect_os() -> Result<String, io::Error> {
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if fs::metadata("/etc/os-release").is_ok() || fs::metadata("/usr/lib/os-release").is_ok() {
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Ok("Linux".to_string())
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} else if fs::metadata("/etc/rc.conf").is_ok() || fs::metadata("/etc/bsd-release").is_ok() {
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Ok("BSD".to_string())
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} else {
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Ok("Unknown".to_string())
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}
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}
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fn get_architecture() -> Result<String, io::Error> {
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// Read architecture from /proc/sys/kernel/arch
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let mut arch = String::new();
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fs::File::open("/proc/sys/kernel/arch")?.read_to_string(&mut arch)?;
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let arch = arch.trim().to_string();
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Ok(arch)
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}
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pub fn get_system_info() -> Result<String, io::Error> {
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let system = detect_os()?;
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let mut kernel_release = String::new();
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fs::File::open("/proc/sys/kernel/osrelease")?.read_to_string(&mut kernel_release)?;
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let kernel_release = kernel_release.trim().to_string();
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let mut cpuinfo = String::new();
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fs::File::open("/proc/cpuinfo")?.read_to_string(&mut cpuinfo)?;
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let architecture = get_architecture()?;
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let result = format!("{} {} ({})", system, kernel_release, architecture);
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Ok(result)
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}
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pub fn get_os_pretty_name() -> Option<String> {
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let os_release_content = read_to_string("/etc/os-release").ok()?;
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let os_release_lines: Vec<&str> = os_release_content.lines().collect();
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let pretty_name = os_release_lines
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.iter()
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.find(|line| line.starts_with("PRETTY_NAME="))
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.map(|line| {
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line.trim_start_matches("PRETTY_NAME=")
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.trim_matches('"')
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.to_string()
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});
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pretty_name
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}
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96
src/system.rs
Normal file
96
src/system.rs
Normal file
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use libc::statfs as libc_statfs_struct;
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use std::env;
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use std::ffi::CString;
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use std::fs::File;
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use std::io::{self, BufRead};
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use std::path::Path;
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use std::process::Command;
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use crate::colors::{CYAN, GREEN, RED, RESET, YELLOW};
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pub fn get_username_and_hostname() -> Result<String, io::Error> {
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let username = env::var("USER").unwrap_or_else(|_| "unknown_user".to_string());
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let output = Command::new("hostname").output()?;
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let hostname = String::from_utf8_lossy(&output.stdout).trim().to_string();
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Ok(format!("{YELLOW}{}{RED}@{GREEN}{}", username, hostname))
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}
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pub fn get_disk_usage() -> Result<String, io::Error> {
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let path = CString::new("/").expect("CString::new failed");
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let mut fs_stat: libc_statfs_struct = unsafe { std::mem::zeroed() };
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let result = unsafe { libc::statfs(path.as_ptr(), &mut fs_stat) };
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|
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if result != 0 {
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return Err(io::Error::last_os_error());
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}
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|
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let block_size = fs_stat.f_bsize as u64;
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let total_blocks = fs_stat.f_blocks as u64;
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let free_blocks = fs_stat.f_bfree as u64;
|
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|
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let total_size_bytes = total_blocks * block_size;
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let used_size_bytes = (total_blocks - free_blocks) * block_size;
|
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|
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let total_size_gib = total_size_bytes as f64 / (1024.0 * 1024.0 * 1024.0);
|
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let used_size_gib = used_size_bytes as f64 / (1024.0 * 1024.0 * 1024.0);
|
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let percentage_used = (used_size_bytes as f64 / total_size_bytes as f64) * 100.0;
|
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|
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let formatted_total_size = format!("{:.2}", total_size_gib);
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let formatted_used_size = format!("{:.2}", used_size_gib);
|
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let formatted_percentage_used = format!("{:.0}", percentage_used);
|
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|
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Ok(format!(
|
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"{} GiB / {} GiB ({CYAN}{}%{RESET})",
|
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formatted_used_size, formatted_total_size, formatted_percentage_used
|
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))
|
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}
|
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|
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pub fn get_memory_usage() -> Result<String, io::Error> {
|
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fn parse_memory_info() -> Result<(f64, f64), io::Error> {
|
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let path = Path::new("/proc/meminfo");
|
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let file = File::open(path)?;
|
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let reader = io::BufReader::new(file);
|
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|
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let mut total_memory_kb = 0.0;
|
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let mut available_memory_kb = 0.0;
|
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|
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for line in reader.lines() {
|
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let line = line?;
|
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if line.starts_with("MemTotal:") {
|
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total_memory_kb = line
|
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.split_whitespace()
|
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.nth(1)
|
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.ok_or_else(|| {
|
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io::Error::new(io::ErrorKind::InvalidData, "Failed to parse MemTotal")
|
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})?
|
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.parse::<f64>()
|
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.unwrap_or(0.0);
|
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} else if line.starts_with("MemAvailable:") {
|
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available_memory_kb = line
|
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.split_whitespace()
|
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.nth(1)
|
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.ok_or_else(|| {
|
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io::Error::new(io::ErrorKind::InvalidData, "Failed to parse MemAvailable")
|
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})?
|
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.parse::<f64>()
|
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.unwrap_or(0.0);
|
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}
|
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}
|
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|
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let total_memory_gb = total_memory_kb / (1024.0 * 1024.0);
|
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let available_memory_gb = available_memory_kb / (1024.0 * 1024.0);
|
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let used_memory_gb = total_memory_gb - available_memory_gb;
|
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|
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Ok((used_memory_gb, total_memory_gb))
|
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}
|
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|
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let (used_memory, total_memory) = parse_memory_info()?;
|
||||
let percentage_used = (used_memory / total_memory * 100.0).round() as u64;
|
||||
|
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Ok(format!(
|
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"{:.2} GiB / {:.2} GiB ({CYAN}{}%{RESET})",
|
||||
used_memory, total_memory, percentage_used
|
||||
))
|
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}
|
42
src/uptime.rs
Normal file
42
src/uptime.rs
Normal file
|
@ -0,0 +1,42 @@
|
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use std::fs::File;
|
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use std::io::{self, BufRead};
|
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use std::path::Path;
|
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|
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pub fn get_system_uptime() -> Result<String, io::Error> {
|
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let path = Path::new("/proc/uptime");
|
||||
let file = File::open(path)?;
|
||||
let reader = io::BufReader::new(file);
|
||||
|
||||
let line = reader
|
||||
.lines()
|
||||
.next()
|
||||
.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Failed to read uptime"))??;
|
||||
|
||||
let uptime_seconds: f64 = line
|
||||
.split_whitespace()
|
||||
.next()
|
||||
.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Failed to parse uptime"))?
|
||||
.parse()
|
||||
.map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
|
||||
|
||||
// calculate days, hours, and minutes
|
||||
let total_minutes = (uptime_seconds / 60.0).round() as u64;
|
||||
let days = total_minutes / (60 * 24);
|
||||
let hours = (total_minutes % (60 * 24)) / 60;
|
||||
let minutes = total_minutes % 60;
|
||||
|
||||
let mut parts = Vec::new();
|
||||
if days > 0 {
|
||||
parts.push(format!("{} days", days));
|
||||
}
|
||||
|
||||
if hours > 0 || days > 0 {
|
||||
parts.push(format!("{} hours", hours));
|
||||
}
|
||||
|
||||
if minutes > 0 || hours > 0 || days > 0 {
|
||||
parts.push(format!("{} minutes", minutes));
|
||||
}
|
||||
|
||||
Ok(parts.join(", "))
|
||||
}
|
Loading…
Reference in a new issue