X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fworker%2Fcluster-worker.ts;h=325b7a410b6cb7686ebee51f1d37b06043622fad;hb=e334515bf28581c234d6b9f5239425c9a0c6a7ec;hp=092dd51129089f761e06da0d8db39672396c119a;hpb=cda5cc74c77bdfc37b220ef19637876e221b5061;p=poolifier.git diff --git a/src/worker/cluster-worker.ts b/src/worker/cluster-worker.ts index 092dd511..325b7a41 100644 --- a/src/worker/cluster-worker.ts +++ b/src/worker/cluster-worker.ts @@ -1,53 +1,71 @@ -import type { Worker } from 'cluster' -import { isMaster, worker } from 'cluster' -import type { MessageValue } from '../utility-types' -import { AbstractWorker } from './abstract-worker' -import type { WorkerOptions } from './worker-options' +import cluster, { type Worker } from 'node:cluster' + +import type { MessageValue } from '../utility-types.js' +import { AbstractWorker } from './abstract-worker.js' +import type { TaskFunction, TaskFunctions } from './task-functions.js' +import type { WorkerOptions } from './worker-options.js' /** - * An example worker that will be always alive, you just need to **extend** this class if you want a static pool. + * A cluster worker used by a poolifier `ClusterPool`. + * + * When this worker is inactive for more than the given `maxInactiveTime`, + * it will send a termination request to its main worker. * - * When this worker is inactive for more than 1 minute, it will send this info to the main worker, - * if you are using DynamicClusterPool, the workers created after will be killed, the min num of worker will be guaranteed. + * If you use a `DynamicClusterPool` the extra workers that were created will be terminated, + * but the minimum number of workers will be guaranteed. * + * @typeParam Data - Type of data this worker receives from pool's execution. This can only be structured-cloneable data. + * @typeParam Response - Type of response the worker sends back to the main worker. This can only be structured-cloneable data. * @author [Christopher Quadflieg](https://github.com/Shinigami92) * @since 2.0.0 */ -// eslint-disable-next-line @typescript-eslint/no-explicit-any -export class ClusterWorker extends AbstractWorker< - Worker, - Data, - Response -> { - public constructor (fn: (data: Data) => Response, opts: WorkerOptions = {}) { - super('worker-cluster-pool:pioardi', isMaster, fn, opts) - - worker.on('message', (value: MessageValue) => { - if (value?.data && value.id) { - // here you will receive messages - // console.log('This is the main worker ' + isMain) - if (this.async) { - this.runInAsyncScope(this.runAsync.bind(this), this, fn, value) - } else { - this.runInAsyncScope(this.run.bind(this), this, fn, value) - } - } else if (value.kill) { - // here is time to kill this worker, just clearing the interval - if (this.interval) clearInterval(this.interval) - this.emitDestroy() - } - }) +export class ClusterWorker< + Data = unknown, + Response = unknown +> extends AbstractWorker { + /** + * Constructs a new poolifier cluster worker. + * + * @param taskFunctions - Task function(s) processed by the worker when the pool's `execution` function is invoked. + * @param opts - Options for the worker. + */ + public constructor ( + taskFunctions: TaskFunction | TaskFunctions, + opts: WorkerOptions = {} + ) { + super(cluster.isPrimary, cluster.worker, taskFunctions, opts) } - protected getMainWorker (): Worker { - return worker + /** @inheritDoc */ + protected handleReadyMessage (message: MessageValue): void { + if (message.workerId === this.id && message.ready === false) { + try { + this.getMainWorker().on('message', this.messageListener.bind(this)) + this.sendToMainWorker({ + ready: true, + taskFunctionNames: this.listTaskFunctionNames() + }) + } catch { + this.sendToMainWorker({ + ready: false, + taskFunctionNames: this.listTaskFunctionNames() + }) + } + } } - protected sendToMainWorker (message: MessageValue): void { - this.getMainWorker().send(message) + /** @inheritDoc */ + protected get id (): number { + return this.getMainWorker().id } - protected handleError (e: Error | string): string { - return e instanceof Error ? e.message : e + /** @inheritDoc */ + protected readonly sendToMainWorker = ( + message: MessageValue + ): void => { + this.getMainWorker().send({ + ...message, + workerId: this.id + } satisfies MessageValue) } }