70 lines
2.1 KiB
Rust
70 lines
2.1 KiB
Rust
//! Btrfs pool renderer: sums usage across all btrfs-typed mounts seen in the
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//! `disks` watch channel. Dispatch-only (no dedicated poll task).
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use crate::config::Config;
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use crate::error::Result;
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use crate::modules::WaybarModule;
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use crate::output::WaybarOutput;
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use crate::state::AppReceivers;
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use crate::utils::{TokenValue, classify_usage, format_template};
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/// Aggregates used/total across every mount whose filesystem name contains
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/// `btrfs`. Emits `No BTRFS` when none are present.
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pub struct BtrfsModule;
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impl WaybarModule for BtrfsModule {
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async fn run(
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&self,
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config: &Config,
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state: &AppReceivers,
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_args: &[&str],
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) -> Result<WaybarOutput> {
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let disks = {
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let s = state.disks.borrow();
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s.clone()
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};
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let mut total_used: f64 = 0.0;
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let mut total_size: f64 = 0.0;
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for disk in &disks {
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if disk.filesystem.contains("btrfs") {
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let size = disk.total_bytes as f64;
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let available = disk.available_bytes as f64;
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total_size += size;
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total_used += size - available;
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}
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}
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if total_size == 0.0 {
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return Ok(WaybarOutput {
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text: "No BTRFS".to_string(),
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tooltip: None,
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class: Some("normal".to_string()),
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percentage: None,
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});
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}
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let used_gb = total_used / 1024.0 / 1024.0 / 1024.0;
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let size_gb = total_size / 1024.0 / 1024.0 / 1024.0;
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let percentage = (total_used / total_size) * 100.0;
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let class = classify_usage(percentage, 80.0, 95.0);
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let text = format_template(
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&config.pool.format,
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&[
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("used", TokenValue::Float(used_gb)),
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("total", TokenValue::Float(size_gb)),
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],
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);
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Ok(WaybarOutput {
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text,
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tooltip: Some(format!("BTRFS Usage: {:.1}%", percentage)),
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class: Some(class.to_string()),
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percentage: Some(percentage as u8),
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})
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}
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}
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