X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fcluster%2Ffixed.ts;h=6e9b4b07113bac62000a84ae0a2d8aa05b333532;hb=5e972953bf3193a557a14fa794d559b2acc1d6de;hp=00205449a2f3fc0bee0feb54b7d41bea56b8ad62;hpb=cda5cc74c77bdfc37b220ef19637876e221b5061;p=poolifier.git diff --git a/src/pools/cluster/fixed.ts b/src/pools/cluster/fixed.ts index 00205449..6e9b4b07 100644 --- a/src/pools/cluster/fixed.ts +++ b/src/pools/cluster/fixed.ts @@ -1,84 +1,105 @@ -import { fork, isMaster, setupMaster, Worker } from 'cluster' +import cluster, { type ClusterSettings, type Worker } from 'node:cluster' import type { MessageValue } from '../../utility-types' -import type { PoolOptions } from '../abstract-pool' import { AbstractPool } from '../abstract-pool' +import { type PoolOptions, type PoolType, PoolTypes } from '../pool' +import { type WorkerType, WorkerTypes } from '../worker' +/** + * Options for a poolifier cluster pool. + */ export interface ClusterPoolOptions extends PoolOptions { /** * Key/value pairs to add to worker process environment. * * @see https://nodejs.org/api/cluster.html#cluster_cluster_fork_env */ - // eslint-disable-next-line @typescript-eslint/no-explicit-any - env?: any + env?: Record + /** + * Cluster settings. + * + * @see https://nodejs.org/api/cluster.html#cluster_cluster_settings + */ + settings?: ClusterSettings } /** - * A cluster pool with a static number of workers, is possible to execute tasks in sync or async mode as you prefer. - * - * This pool will select the worker in a round robin fashion. + * A cluster pool with a fixed number of workers. * + * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data. + * @typeParam Response - Type of execution response. 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 FixedClusterPool extends AbstractPool< - Worker, - Data, - Response -> { +export class FixedClusterPool< + Data = unknown, + Response = unknown +> extends AbstractPool { /** - * @param numWorkers Number of workers for this pool. - * @param filePath A file path with implementation of `ClusterWorker` class, relative path is fine. - * @param opts An object with possible options for example `errorHandler`, `onlineHandler`. Default: `{ maxTasks: 1000 }` + * Constructs a new poolifier fixed cluster pool. + * + * @param numberOfWorkers - Number of workers for this pool. + * @param filePath - Path to an implementation of a `ClusterWorker` file, which can be relative or absolute. + * @param opts - Options for this fixed cluster pool. */ public constructor ( - numWorkers: number, + numberOfWorkers: number, filePath: string, - public readonly opts: ClusterPoolOptions = { maxTasks: 1000 } + protected readonly opts: ClusterPoolOptions = {} ) { - super(numWorkers, filePath, opts) + super(numberOfWorkers, filePath, opts) } + /** @inheritDoc */ protected setupHook (): void { - setupMaster({ - exec: this.filePath - }) + cluster.setupPrimary({ ...this.opts.settings, exec: this.filePath }) } + /** @inheritDoc */ protected isMain (): boolean { - return isMaster + return cluster.isPrimary } + /** @inheritDoc */ protected destroyWorker (worker: Worker): void { - worker.kill() + this.sendToWorker(worker, { kill: true, workerId: worker.id }) + worker.on('disconnect', () => { + worker.kill() + }) + worker.disconnect() } + /** @inheritDoc */ protected sendToWorker (worker: Worker, message: MessageValue): void { worker.send(message) } - protected registerWorkerMessageListener ( - port: Worker, - listener: (message: MessageValue) => void - ): void { - port.on('message', listener) + /** @inheritDoc */ + protected createWorker (): Worker { + return cluster.fork(this.opts.env) + } + + /** @inheritDoc */ + protected get type (): PoolType { + return PoolTypes.fixed + } + + /** @inheritDoc */ + protected get worker (): WorkerType { + return WorkerTypes.cluster } - protected unregisterWorkerMessageListener ( - port: Worker, - listener: (message: MessageValue) => void - ): void { - port.removeListener('message', listener) + /** @inheritDoc */ + protected get minSize (): number { + return this.numberOfWorkers } - protected newWorker (): Worker { - return fork(this.opts.env) + /** @inheritDoc */ + protected get maxSize (): number { + return this.numberOfWorkers } - protected afterNewWorkerPushed (worker: Worker): void { - // we will attach a listener for every task, - // when task is completed the listener will be removed but to avoid warnings we are increasing the max listeners size - worker.setMaxListeners(this.opts.maxTasks ?? 1000) + /** @inheritDoc */ + protected get busy (): boolean { + return this.internalBusy() } }