plc_control/src/control/runtime.rs

95 lines
2.5 KiB
Rust

use std::{collections::HashMap, sync::Arc};
use tokio::sync::{Notify, RwLock};
use uuid::Uuid;
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, PartialEq, Eq)]
#[serde(rename_all = "snake_case")]
pub enum UnitRuntimeState {
Stopped,
Running,
DistributorRunning,
FaultLocked,
CommLocked,
}
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
pub struct UnitRuntime {
pub unit_id: Uuid,
pub state: UnitRuntimeState,
pub auto_enabled: bool,
pub accumulated_run_sec: i64,
/// Snapshot updated only on state transitions; used for display to avoid mid-tick jitter.
pub display_acc_sec: i64,
pub fault_locked: bool,
pub flt_active: bool,
pub comm_locked: bool,
pub manual_ack_required: bool,
}
impl UnitRuntime {
pub fn new(unit_id: Uuid) -> Self {
Self {
unit_id,
state: UnitRuntimeState::Stopped,
auto_enabled: false,
accumulated_run_sec: 0,
display_acc_sec: 0,
fault_locked: false,
flt_active: false,
comm_locked: false,
manual_ack_required: false,
}
}
}
#[derive(Clone, Default)]
pub struct ControlRuntimeStore {
inner: Arc<RwLock<HashMap<Uuid, UnitRuntime>>>,
notifiers: Arc<RwLock<HashMap<Uuid, Arc<Notify>>>>,
}
impl ControlRuntimeStore {
pub fn new() -> Self {
Self::default()
}
pub async fn get(&self, unit_id: Uuid) -> Option<UnitRuntime> {
self.inner.read().await.get(&unit_id).cloned()
}
pub async fn get_or_init(&self, unit_id: Uuid) -> UnitRuntime {
if let Some(runtime) = self.get(unit_id).await {
return runtime;
}
let runtime = UnitRuntime::new(unit_id);
self.inner.write().await.insert(unit_id, runtime.clone());
runtime
}
pub async fn upsert(&self, runtime: UnitRuntime) {
self.inner.write().await.insert(runtime.unit_id, runtime);
}
pub async fn get_or_create_notify(&self, unit_id: Uuid) -> Arc<Notify> {
self.notifiers
.write()
.await
.entry(unit_id)
.or_insert_with(|| Arc::new(Notify::new()))
.clone()
}
pub async fn get_all(&self) -> HashMap<Uuid, UnitRuntime> {
self.inner.read().await.clone()
}
/// Wake the engine task for a unit (e.g., when auto_enabled or fault_locked changes).
pub async fn notify_unit(&self, unit_id: Uuid) {
if let Some(n) = self.notifiers.read().await.get(&unit_id) {
n.notify_one();
}
}
}