Use crypto unbiased random integer generator

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

diff --git a/src/worker/WorkerDynamicPool.ts b/src/worker/WorkerDynamicPool.ts
index 9141c2f0b2f05ae3beb4c597731e4e256f326187..f842614f82b20e6476e949f22bda5d797404f5a3 100644 (file)
--- a/src/worker/WorkerDynamicPool.ts
+++ b/src/worker/WorkerDynamicPool.ts
@@ -1,25 +1,36 @@
-import { DynamicThreadPool, PoolOptions } from 'poolifier';
+import type { Worker } from 'worker_threads';
+
+import { DynamicThreadPool, type ErrorHandler, type ExitHandler } from 'poolifier';
 
-import Utils from '../utils/Utils';
-import { Worker } from 'worker_threads';
 import WorkerAbstract from './WorkerAbstract';
-import { WorkerData } from '../types/Worker';
+import { WorkerUtils } from './WorkerUtils';
+import type { WorkerData, WorkerOptions } from '../types/Worker';
+import Utils from '../utils/Utils';
 
-export default class WorkerDynamicPool<T> extends WorkerAbstract {
-  private pool: DynamicPool;
+export default class WorkerDynamicPool extends WorkerAbstract<WorkerData> {
+  private readonly pool: DynamicThreadPool<WorkerData>;
 
   /**
    * Create a new `WorkerDynamicPool`.
    *
-   * @param {string} workerScript
-   * @param {number} min
-   * @param {number} max
-   * @param {number} workerStartDelay
-   * @param {PoolOptions} opts
+   * @param workerScript -
+   * @param workerOptions -
    */
-  constructor(workerScript: string, min: number, max: number, workerStartDelay?: number, opts?: PoolOptions<Worker>) {
-    super(workerScript, workerStartDelay);
-    this.pool = DynamicPool.getInstance(min, max, this.workerScript, opts);
+  constructor(workerScript: string, workerOptions?: WorkerOptions) {
+    super(workerScript, workerOptions);
+    this.workerOptions.poolOptions.errorHandler = (
+      this.workerOptions?.poolOptions?.errorHandler ?? WorkerUtils.defaultErrorHandler
+    ).bind(this) as ErrorHandler<Worker>;
+    this.workerOptions.poolOptions.exitHandler = (
+      this.workerOptions?.poolOptions?.exitHandler ?? WorkerUtils.defaultExitHandler
+    ).bind(this) as ExitHandler<Worker>;
+    this.workerOptions.poolOptions.messageHandler.bind(this);
+    this.pool = new DynamicThreadPool<WorkerData>(
+      this.workerOptions.poolMinSize,
+      this.workerOptions.poolMaxSize,
+      this.workerScript,
+      this.workerOptions.poolOptions
+    );
   }
 
   get size(): number {
@@ -32,51 +43,32 @@ export default class WorkerDynamicPool<T> extends WorkerAbstract {
 
   /**
    *
-   * @returns {Promise<void>}
+   * @returns
    * @public
    */
-  // eslint-disable-next-line @typescript-eslint/no-empty-function
-  public async start(): Promise<void> { }
+  public async start(): Promise<void> {
+    // This is intentional
+  }
 
   /**
    *
-   * @returns {Promise<void>}
+   * @returns
    * @public
    */
-  // eslint-disable-next-line @typescript-eslint/require-await
   public async stop(): Promise<void> {
     return this.pool.destroy();
   }
 
   /**
    *
-   * @param {T} elementData
-   * @returns {Promise<void>}
+   * @param elementData -
+   * @returns
    * @public
    */
-  public async addElement(elementData: T): Promise<void> {
+  public async addElement(elementData: WorkerData): Promise<void> {
     await this.pool.execute(elementData);
-    // Start worker sequentially to optimize memory at startup
-    await Utils.sleep(this.workerStartDelay);
-  }
-}
-
-class DynamicPool extends DynamicThreadPool<WorkerData> {
-  private static instance: DynamicPool;
-
-  private constructor(min: number, max: number, workerScript: string, opts?: PoolOptions<Worker>) {
-    super(min, max, workerScript, opts);
-  }
-
-  public static getInstance(min: number, max: number, workerScript: string, opts?: PoolOptions<Worker>): DynamicPool {
-    if (!DynamicPool.instance) {
-      opts.exitHandler = opts?.exitHandler ?? ((code) => {
-        if (code !== 0) {
-          console.error(`Worker stopped with exit code ${code}`);
-        }
-      });
-      DynamicPool.instance = new DynamicPool(min, max, workerScript, opts);
-    }
-    return DynamicPool.instance;
+    // Start element sequentially to optimize memory at startup
+    this.workerOptions.elementStartDelay > 0 &&
+      (await Utils.sleep(this.workerOptions.elementStartDelay));
   }
 }