feat: restart worker on uncaught exception

[e-mobility-charging-stations-simulator.git] / src / worker / WorkerStaticPool.ts

diff --git a/src/worker/WorkerStaticPool.ts b/src/worker/WorkerStaticPool.ts
index 818fd21af48f1c466b9e8dc8920ed94bb73a915a..6034c6e041ac77a487e252ccc0ac8c6a3c045030 100644 (file)
--- a/src/worker/WorkerStaticPool.ts
+++ b/src/worker/WorkerStaticPool.ts
@@ -1,60 +1,58 @@
-import { WorkerData, WorkerOptions } from '../types/Worker';
+import type { Worker } from 'node:worker_threads';
 
-import { FixedThreadPool } from 'poolifier';
-import Utils from '../utils/Utils';
-import WorkerAbstract from './WorkerAbstract';
-import { WorkerUtils } from './WorkerUtils';
+import { type ErrorHandler, type ExitHandler, FixedThreadPool } from 'poolifier';
 
-export default class WorkerStaticPool extends WorkerAbstract<WorkerData> {
+import { WorkerAbstract } from './WorkerAbstract';
+import type { WorkerData, WorkerOptions } from './WorkerTypes';
+import { defaultErrorHandler, defaultExitHandler, sleep } from './WorkerUtils';
+
+export class WorkerStaticPool extends WorkerAbstract<WorkerData> {
   private readonly pool: FixedThreadPool<WorkerData>;
 
   /**
    * Create a new `WorkerStaticPool`.
    *
-   * @param workerScript
-   * @param workerOptions
+   * @param workerScript -
+   * @param workerOptions -
    */
   constructor(workerScript: string, workerOptions?: WorkerOptions) {
     super(workerScript, workerOptions);
-    this.workerOptions.poolOptions.exitHandler = this.workerOptions?.poolOptions?.exitHandler ?? WorkerUtils.defaultExitHandler;
-    this.pool = new FixedThreadPool(this.workerOptions.poolMaxSize, this.workerScript, this.workerOptions.poolOptions);
+    this.workerOptions.poolOptions.errorHandler = (
+      this.workerOptions?.poolOptions?.errorHandler ?? defaultErrorHandler
+    ).bind(this) as ErrorHandler<Worker>;
+    this.workerOptions.poolOptions.exitHandler = (
+      this.workerOptions?.poolOptions?.exitHandler ?? defaultExitHandler
+    ).bind(this) as ExitHandler<Worker>;
+    this.workerOptions.poolOptions.messageHandler.bind(this);
+    this.pool = new FixedThreadPool(
+      this.workerOptions.poolMaxSize,
+      this.workerScript,
+      this.workerOptions.poolOptions
+    );
   }
 
   get size(): number {
-    return this.pool.workers.length;
+    return this.pool.workerNodes.length;
   }
 
-  get maxElementsPerWorker(): number | null {
-    return null;
+  get maxElementsPerWorker(): number | undefined {
+    return undefined;
   }
 
-  /**
-   *
-   * @returns
-   * @public
-   */
+  /** @inheritDoc */
   public async start(): Promise<void> {
     // This is intentional
   }
 
-  /**
-   *
-   * @returns
-   * @public
-   */
+  /** @inheritDoc */
   public async stop(): Promise<void> {
     return this.pool.destroy();
   }
 
-  /**
-   *
-   * @param elementData
-   * @returns
-   * @public
-   */
+  /** @inheritDoc */
   public async addElement(elementData: WorkerData): Promise<void> {
     await this.pool.execute(elementData);
     // Start element sequentially to optimize memory at startup
-    this.workerOptions.elementStartDelay > 0 && await Utils.sleep(this.workerOptions.elementStartDelay);
+    this.workerOptions.elementStartDelay > 0 && (await sleep(this.workerOptions.elementStartDelay));
   }
 }