marcodearaujo/uptime-kuma-dashboard
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Line optimizations

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This commit is contained in:
Marco De Araujo 2026-01-19 16:04:45 -04:00
parent 975c4b1eaf
commit 64f5115d54
1 changed files with 8 additions and 7 deletions
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15
src/ui/components/monitor_list.rs
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@ -34,7 +34,7 @@ static DOWN_SPAN: Lazy<Span<'static>> =
static UNKNOWN_SPAN: Lazy<Span<'static>> =
Lazy::new(|| Span::styled("■", Style::default().fg(Color::Yellow)));
static STATUS_LINE_CACHE: OnceLock<RwLock<HashMap<u64, Vec<&'static Span<'static>>>>> = OnceLock::new();
static STATUS_LINE_CACHE: OnceLock<RwLock<HashMap<u64, Line<'static>>>> = OnceLock::new();
pub fn render_monitor_list(main_frame: &mut Frame, area: Rect, state: &mut DashboardViewState) {
let available_height = area.height as usize;
@ -251,18 +251,19 @@ fn get_cached_status_line(status_history: &[MonitorStatus]) -> Line<'static> {
let cache = STATUS_LINE_CACHE.get_or_init(|| RwLock::new(HashMap::new()));
{
let read = cache.read().unwrap();
if let Some(spans) = read.get(&hash) {
return Line::from(spans.iter().map(|&span| span.clone()).collect::<Vec<_>>());
if let Some(line) = read.get(&hash) {
return line.clone();
}
}
let spans: Vec<&'static Span<'static>> = status_history
let spans: Vec<Span<'static>> = status_history
.iter()
.rev()
.take(STATUS_LINE_LENGTH)
.map(|status| get_status_span(status))
.map(|status| get_status_span(status).clone())
.collect();
let new_line = Line::from(spans);
let mut write = cache.write().unwrap();
if write.len() > 1000 {
let keys_to_remove: Vec<_> = write.keys().take(250).copied().collect();
@ -271,6 +272,6 @@ fn get_cached_status_line(status_history: &[MonitorStatus]) -> Line<'static> {
write.remove(&key);
}
}
write.insert(hash, spans.clone());
Line::from(spans.iter().map(|&span| span.clone()).collect::<Vec<_>>())
write.insert(hash, new_line.clone());
new_line
}