25 lines
526 B
Rust
25 lines
526 B
Rust
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//! 共享应用状态。
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//!
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//! 采样任务（写）与 HTTP handler（读）通过一个被 `RwLock` 保护的
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//! `Stats` 快照通信。`AppState` 可廉价 `clone`（内部是 `Arc`）。
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use std::sync::Arc;
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use tokio::sync::RwLock;
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use crate::monitor::Stats;
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#[derive(Clone)]
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pub struct AppState {
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/// 最新一次采样快照。
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pub snapshot: Arc<RwLock<Stats>>,
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}
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impl AppState {
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pub fn new() -> Self {
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Self {
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snapshot: Arc::new(RwLock::new(Stats::default())),
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}
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}
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}
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