X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FChargingStationWorker.ts;h=7c7a523558bd6e9b547afe8775ec71c79f11187b;hb=08b58f0020986c0ad1b55e562aaf325a47b9d58c;hp=19dd6f8dc2ed7960f5d7e9e3a29dcf6612ecf5e3;hpb=ca47912d4ef0ca7608be49e62aadb6a931d74359;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ChargingStationWorker.ts b/src/charging-station/ChargingStationWorker.ts
index 19dd6f8d..7c7a5235 100644
--- a/src/charging-station/ChargingStationWorker.ts
+++ b/src/charging-station/ChargingStationWorker.ts
@@ -1,51 +1,71 @@
 // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
 import { AsyncResource } from 'node:async_hooks';
-import { parentPort, workerData } from 'node:worker_threads';
+import { parentPort } from 'node:worker_threads';
 
 import { ThreadWorker } from 'poolifier';
 
 import { ChargingStation } from './ChargingStation';
+import { BaseError } from '../exception';
 import type { ChargingStationWorkerData } from '../types';
 import { Configuration } from '../utils';
-import { WorkerConstants, type WorkerMessage, WorkerMessageEvents } from '../worker';
+import { POOL_MAX_INACTIVE_TIME, 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 => {
-  new ChargingStation(data.index, data.templateFile).start();
+const startChargingStation = (data?: ChargingStationWorkerData): void => {
+  new ChargingStation(data!.index, data!.templateFile).start();
 };
 
-// Conditionally export ThreadWorker instance for pool usage
-export let threadWorker: ThreadWorker;
+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>) => {
+      switch (message.event) {
+        case 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,
+              },
+            });
+          }
+          break;
+        default:
+          throw new BaseError(
+            `Unknown worker event: '${message.event}' received with data: '${JSON.stringify(
+              message.data,
+              null,
+              2,
+            )}'`,
+          );
+      }
+    });
+  }
+}
+
+export let chargingStationWorker: ChargingStationWorker | ThreadWorker<ChargingStationWorkerData>;
 if (Configuration.workerPoolInUse()) {
-  threadWorker = new ThreadWorker<ChargingStationWorkerData>(startChargingStation, {
-    maxInactiveTime: WorkerConstants.POOL_MAX_INACTIVE_TIME,
+  chargingStationWorker = new ThreadWorker<ChargingStationWorkerData>(startChargingStation, {
+    maxInactiveTime: POOL_MAX_INACTIVE_TIME,
   });
 } else {
-  class ChargingStationWorker extends AsyncResource {
-    constructor() {
-      super('ChargingStationWorker');
-    }
-
-    public run(data: ChargingStationWorkerData): void {
-      this.runInAsyncScope(
-        startChargingStation.bind(this) as (data: ChargingStationWorkerData) => void,
-        this,
-        data
-      );
-    }
-  }
-  // Add message listener to create and start charging station from the main thread
-  parentPort?.on('message', (message: WorkerMessage<ChargingStationWorkerData>) => {
-    if (message.id === WorkerMessageEvents.startWorkerElement) {
-      new ChargingStationWorker().run(message.data);
-    }
-  });
-  if (workerData !== undefined) {
-    new ChargingStationWorker().run(workerData as ChargingStationWorkerData);
-  }
+  chargingStationWorker = new ChargingStationWorker();
 }