X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FChargingStationWorker.ts;h=b20bf3e8ba2851e8bd5be467b03cb044ef73a132;hb=2bb7a73e94db7533c1ba47db677d709e6f07dfdb;hp=60d065642c7ef94585aa6902bf839354339dc6aa;hpb=6bd808fd1dc554c8d55521b20a064447835ef04c;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ChargingStationWorker.ts b/src/charging-station/ChargingStationWorker.ts
index 60d06564..b20bf3e8 100644
--- a/src/charging-station/ChargingStationWorker.ts
+++ b/src/charging-station/ChargingStationWorker.ts
@@ -1,6 +1,7 @@
 // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import { parentPort, workerData } from 'node:worker_threads';
+import { AsyncResource } from 'node:async_hooks';
+import { parentPort } from 'node:worker_threads';
 
 import { ThreadWorker } from 'poolifier';
 
@@ -9,37 +10,51 @@ import type { ChargingStationWorkerData } from '../types';
 import { Configuration } from '../utils';
 import { WorkerConstants, type WorkerMessage, WorkerMessageEvents } from '../worker';
 
+const moduleName = 'ChargingStationWorker';
+
 /**
- * Create and start a charging station instance
+ * Creates and starts a charging station instance
  *
  * @param data - workerData
  */
-const startChargingStation = (data: ChargingStationWorkerData): void => {
-  const station = new ChargingStation(data.index, data.templateFile);
-  station.start();
+const startChargingStation = (data?: ChargingStationWorkerData): void => {
+  new ChargingStation(data!.index, data!.templateFile).start();
 };
 
-/**
- * Listen messages send by the main thread
- */
-const addMessageListener = (): void => {
-  parentPort?.on('message', (message: WorkerMessage<ChargingStationWorkerData>) => {
-    if (message.id === WorkerMessageEvents.startWorkerElement) {
-      startChargingStation(message.data);
-    }
-  });
-};
+class ChargingStationWorker extends AsyncResource {
+  constructor() {
+    super(moduleName);
+    // Add message listener to create and start charging station from the main thread
+    parentPort?.on('message', (message: WorkerMessage<ChargingStationWorkerData>) => {
+      if (message.event === WorkerMessageEvents.startWorkerElement) {
+        try {
+          this.runInAsyncScope(
+            startChargingStation.bind(this) as (data?: ChargingStationWorkerData) => void,
+            this,
+            message.data,
+          );
+          parentPort?.postMessage({
+            event: WorkerMessageEvents.startedWorkerElement,
+          });
+        } catch (error) {
+          parentPort?.postMessage({
+            event: WorkerMessageEvents.startWorkerElementError,
+            data: {
+              message: (error as Error).message,
+              stack: (error as Error).stack,
+            },
+          });
+        }
+      }
+    });
+  }
+}
 
-// Conditionally export ThreadWorker instance for pool usage
-export let threadWorker: ThreadWorker;
+export let chargingStationWorker: ChargingStationWorker | ThreadWorker<ChargingStationWorkerData>;
 if (Configuration.workerPoolInUse()) {
-  threadWorker = new ThreadWorker<ChargingStationWorkerData>(startChargingStation, {
+  chargingStationWorker = new ThreadWorker<ChargingStationWorkerData>(startChargingStation, {
     maxInactiveTime: WorkerConstants.POOL_MAX_INACTIVE_TIME,
   });
 } else {
-  // Add message listener to start charging station from main thread
-  addMessageListener();
-  if (workerData !== undefined) {
-    startChargingStation(workerData as ChargingStationWorkerData);
-  }
+  chargingStationWorker = new ChargingStationWorker();
 }