X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fworker%2Fthread-worker.ts;h=4d4c1c3479f14970db523ff96d873f0b4cdac79f;hb=984dc9c8adc66d4ed982e76391db751dd685f0b2;hp=ce17c59a19c0644f3b2eb188e712e29447c0c773;hpb=a86b6df187001e7e2e5c248ddb828286f985096c;p=poolifier.git diff --git a/src/worker/thread-worker.ts b/src/worker/thread-worker.ts index ce17c59a..4d4c1c34 100644 --- a/src/worker/thread-worker.ts +++ b/src/worker/thread-worker.ts @@ -1,12 +1,13 @@ -import type { MessagePort } from 'node:worker_threads' -import { isMainThread, parentPort } from 'node:worker_threads' -import type { - MessageValue, - TaskFunctions, - WorkerFunction -} from '../utility-types' +import { + type MessagePort, + isMainThread, + parentPort, + threadId +} from 'node:worker_threads' +import type { MessageValue } from '../utility-types' import { AbstractWorker } from './abstract-worker' import type { WorkerOptions } from './worker-options' +import type { TaskFunctions, WorkerFunction } from './worker-functions' /** * A thread worker used by a poolifier `ThreadPool`. @@ -17,8 +18,8 @@ import type { WorkerOptions } from './worker-options' * If you use a `DynamicThreadPool` 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 serializable data. - * @typeParam Response - Type of response the worker sends back to the main thread. This can only be serializable data. + * @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 thread. This can only be structured-cloneable data. * @author [Alessandro Pio Ardizio](https://github.com/pioardi) * @since 0.0.1 */ @@ -26,21 +27,64 @@ export class ThreadWorker< Data = unknown, Response = unknown > extends AbstractWorker { + /** + * Message port used to communicate with the main thread. + */ + private port!: MessagePort /** * Constructs a new poolifier thread worker. * - * @param fn - Function processed by the worker when the pool's `execution` function is invoked. + * @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 ( - fn: WorkerFunction | TaskFunctions, + taskFunctions: + | WorkerFunction + | TaskFunctions, opts: WorkerOptions = {} ) { - super('worker-thread-pool:poolifier', isMainThread, fn, parentPort, opts) + super( + 'worker-thread-pool:poolifier', + isMainThread, + parentPort as MessagePort, + taskFunctions, + opts + ) + } + + /** @inheritDoc */ + protected handleReadyMessage (message: MessageValue): void { + if ( + !this.isMain && + message.workerId === this.id && + message.ready != null && + message.port != null + ) { + this.port = message.port + this.port.on('message', this.messageListener.bind(this)) + this.sendToMainWorker({ ready: true, workerId: this.id }) + } + } + + /** @inheritDoc */ + protected handleKillMessage (message: MessageValue): void { + super.handleKillMessage(message) + this.port?.unref() + this.port?.close() + } + + /** @inheritDoc */ + protected get id (): number { + return threadId } /** @inheritDoc */ protected sendToMainWorker (message: MessageValue): void { - this.getMainWorker().postMessage(message) + this.port.postMessage(message) + } + + /** @inheritDoc */ + protected handleError (e: Error | string): string { + return e as string } }