X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fworker%2FWorkerSet.ts;h=1b82f1d751a1854d1ed4af9782e4b4b345e71c44;hb=81797102d5214fea2fc58eff2666fe8b8d9a5a11;hp=bda3018bf9a2df631dd9057dc6647844ebbf03f3;hpb=3340259a3cd75024ae3510433f4bf4232c8de7fb;p=e-mobility-charging-stations-simulator.git diff --git a/src/worker/WorkerSet.ts b/src/worker/WorkerSet.ts index bda3018b..1b82f1d7 100644 --- a/src/worker/WorkerSet.ts +++ b/src/worker/WorkerSet.ts @@ -1,9 +1,11 @@ +// Partial Copyright Jerome Benoit. 2021. All Rights Reserved. + import { WorkerEvents, WorkerSetElement } from '../types/Worker'; -import Constants from '../utils/Constants'; import Utils from '../utils/Utils'; import { Worker } from 'worker_threads'; import WorkerAbstract from './WorkerAbstract'; +import { WorkerUtils } from './WorkerUtils'; export default class WorkerSet extends WorkerAbstract { public maxElementsPerWorker: number; @@ -12,11 +14,13 @@ export default class WorkerSet extends WorkerAbstract { /** * Create a new `WorkerSet`. * - * @param {string} workerScript - * @param {number} maxElementsPerWorker + * @param workerScript + * @param maxElementsPerWorker + * @param workerStartDelay + * @param messageListenerCallback */ - constructor(workerScript: string, maxElementsPerWorker = 1) { - super(workerScript); + constructor(workerScript: string, maxElementsPerWorker = 1, workerStartDelay?: number, messageListenerCallback: (message: any) => void = () => { /* This is intentional */ }) { + super(workerScript, workerStartDelay, messageListenerCallback); this.workerSet = new Set(); this.maxElementsPerWorker = maxElementsPerWorker; } @@ -28,36 +32,36 @@ export default class WorkerSet extends WorkerAbstract { /** * * @param elementData - * @returns {Promise} + * @returns * @public */ public async addElement(elementData: T): Promise { if (!this.workerSet) { - throw Error('Cannot add a WorkerSet element: workers\' set does not exist'); + throw new Error('Cannot add a WorkerSet element: workers\' set does not exist'); } if (this.getLastWorkerSetElement().numberOfWorkerElements >= this.maxElementsPerWorker) { this.startWorker(); // Start worker sequentially to optimize memory at startup - await Utils.sleep(Constants.START_WORKER_DELAY); + await Utils.sleep(this.workerStartDelay); } - this.getLastWorker().postMessage({ id: WorkerEvents.START_WORKER_ELEMENT, workerData: elementData }); + this.getLastWorker().postMessage({ id: WorkerEvents.START_WORKER_ELEMENT, data: elementData }); this.getLastWorkerSetElement().numberOfWorkerElements++; } /** * - * @returns {Promise} + * @returns * @public */ public async start(): Promise { this.startWorker(); // Start worker sequentially to optimize memory at startup - await Utils.sleep(Constants.START_WORKER_DELAY); + await Utils.sleep(this.workerStartDelay); } /** * - * @returns {Promise} + * @returns * @public */ public async stop(): Promise { @@ -69,17 +73,14 @@ export default class WorkerSet extends WorkerAbstract { /** * - * @returns {Promise} * @private */ private startWorker(): void { const worker = new Worker(this.workerScript); - worker.on('message', () => { }); - worker.on('error', () => { }); + worker.on('message', this.messageListener); + worker.on('error', () => { /* This is intentional */ }); worker.on('exit', (code) => { - if (code !== 0) { - console.error(`Worker stopped with exit code ${code}`); - } + WorkerUtils.defaultExitHandler(code); this.workerSet.delete(this.getWorkerSetElementByWorker(worker)); }); this.workerSet.add({ worker, numberOfWorkerElements: 0 }); @@ -88,7 +89,7 @@ export default class WorkerSet extends WorkerAbstract { private getLastWorkerSetElement(): WorkerSetElement { let workerSetElement: WorkerSetElement; // eslint-disable-next-line no-empty - for (workerSetElement of this.workerSet) { } + for (workerSetElement of this.workerSet) { /* This is intentional */ } return workerSetElement; } @@ -98,11 +99,12 @@ export default class WorkerSet extends WorkerAbstract { private getWorkerSetElementByWorker(worker: Worker): WorkerSetElement { let workerSetElt: WorkerSetElement; - this.workerSet.forEach((workerSetElement) => { - if (JSON.stringify(workerSetElement.worker) === JSON.stringify(worker)) { + for (const workerSetElement of this.workerSet) { + if (workerSetElement.worker.threadId === worker.threadId) { workerSetElt = workerSetElement; + break; } - }); + } return workerSetElt; } }