77 lines
2.0 KiB
Rust
77 lines
2.0 KiB
Rust
use std::sync::Arc;
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use std::time::Duration;
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use tokio::sync::RwLock;
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use tokio::task::JoinHandle;
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use tracing::debug;
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use crate::action_callback::ActionCallback;
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#[derive(Debug, Default)]
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pub struct State {
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handle: Option<JoinHandle<()>>,
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}
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#[derive(Debug, Clone)]
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pub struct Timeout {
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state: Arc<RwLock<State>>,
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}
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impl mlua::UserData for Timeout {
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fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
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methods.add_function("new", |_lua, ()| {
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let device = Self {
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state: Default::default(),
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};
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Ok(device)
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});
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methods.add_async_method(
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"start",
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|_lua, this, (timeout, callback): (u64, ActionCallback<bool>)| async move {
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if let Some(handle) = this.state.write().await.handle.take() {
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handle.abort();
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}
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debug!("Running timeout callback after {timeout}s");
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let timeout = Duration::from_secs(timeout);
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this.state.write().await.handle = Some(tokio::spawn({
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async move {
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tokio::time::sleep(timeout).await;
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callback.call(false).await;
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}
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}));
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Ok(())
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},
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);
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methods.add_async_method("cancel", |_lua, this, ()| async move {
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debug!("Canceling timeout callback");
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if let Some(handle) = this.state.write().await.handle.take() {
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handle.abort();
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}
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Ok(())
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});
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methods.add_async_method("is_waiting", |_lua, this, ()| async move {
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debug!("Canceling timeout callback");
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if let Some(handle) = this.state.read().await.handle.as_ref() {
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debug!("Join handle: {}", handle.is_finished());
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return Ok(!handle.is_finished());
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}
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debug!("Join handle: None");
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Ok(false)
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});
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}
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}
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