X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fworker%2FWorkerSet.ts;h=f25fd03c4872849fc0863fb9806864e44dc45da1;hb=107efcc6655b5a4409fc5db3da90869d6881a195;hp=2ccd27961941ac5c56eb3ddb1a463138dea21495;hpb=290d006c2d91dce4e9d187189c3e4fae870647f7;p=e-mobility-charging-stations-simulator.git diff --git a/src/worker/WorkerSet.ts b/src/worker/WorkerSet.ts index 2ccd2796..f25fd03c 100644 --- a/src/worker/WorkerSet.ts +++ b/src/worker/WorkerSet.ts @@ -1,24 +1,30 @@ -import { WorkerEvents, WorkerSetElement } from '../types/Worker'; +// Partial Copyright Jerome Benoit. 2021. All Rights Reserved. + +import { WorkerMessageEvents, WorkerOptions, WorkerSetElement } from '../types/Worker'; 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; + public readonly maxElementsPerWorker: number; + private readonly messageHandler: (message: unknown) => void | Promise; private workerSet: Set; /** * Create a new `WorkerSet`. * - * @param {string} workerScript - * @param {number} maxElementsPerWorker - * @param {number} workerStartDelay + * @param workerScript + * @param maxElementsPerWorker + * @param workerStartDelay + * @param opts */ - constructor(workerScript: string, maxElementsPerWorker = 1, workerStartDelay?: number) { + constructor(workerScript: string, maxElementsPerWorker = 1, workerStartDelay?: number, opts?: WorkerOptions) { super(workerScript, workerStartDelay); - this.workerSet = new Set(); this.maxElementsPerWorker = maxElementsPerWorker; + this.messageHandler = opts?.messageHandler ?? (() => { /* This is intentional */ }); + this.workerSet = new Set(); } get size(): number { @@ -27,8 +33,8 @@ export default class WorkerSet extends WorkerAbstract { /** * - * @param {T} elementData - * @returns {Promise} + * @param elementData + * @returns * @public */ public async addElement(elementData: T): Promise { @@ -40,13 +46,13 @@ export default class WorkerSet extends WorkerAbstract { // Start worker sequentially to optimize memory at startup await Utils.sleep(this.workerStartDelay); } - this.getLastWorker().postMessage({ id: WorkerEvents.START_WORKER_ELEMENT, workerData: elementData }); + this.getLastWorker().postMessage({ id: WorkerMessageEvents.START_WORKER_ELEMENT, data: elementData }); this.getLastWorkerSetElement().numberOfWorkerElements++; } /** * - * @returns {Promise} + * @returns * @public */ public async start(): Promise { @@ -57,7 +63,7 @@ export default class WorkerSet extends WorkerAbstract { /** * - * @returns {Promise} + * @returns * @public */ public async stop(): Promise { @@ -73,12 +79,14 @@ export default class WorkerSet extends WorkerAbstract { */ private startWorker(): void { const worker = new Worker(this.workerScript); - worker.on('message', () => { }); - worker.on('error', () => { }); + worker.on('message', (msg) => { + (async () => { + await this.messageHandler(msg); + })().catch(() => { /* This is intentional */ }); + }); + 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 }); @@ -86,8 +94,7 @@ 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; } @@ -97,11 +104,12 @@ export default class WorkerSet extends WorkerAbstract { private getWorkerSetElementByWorker(worker: Worker): WorkerSetElement { let workerSetElt: WorkerSetElement; - this.workerSet.forEach((workerSetElement) => { + for (const workerSetElement of this.workerSet) { if (workerSetElement.worker.threadId === worker.threadId) { workerSetElt = workerSetElement; + break; } - }); + } return workerSetElt; } }