X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fworker%2Fthread-worker.ts;h=7115d71568a6fc0664ba6f74b17085b35bc50655;hb=d3a9c958dcc326062e978f22d88747c00522032d;hp=ce17c59a19c0644f3b2eb188e712e29447c0c773;hpb=4703c53b33791724a31462d7c6dabd43b0385f7c;p=poolifier.git diff --git a/src/worker/thread-worker.ts b/src/worker/thread-worker.ts index ce17c59a..7115d715 100644 --- a/src/worker/thread-worker.ts +++ b/src/worker/thread-worker.ts @@ -1,12 +1,14 @@ -import type { MessagePort } from 'node:worker_threads' -import { isMainThread, parentPort } from 'node:worker_threads' -import type { - MessageValue, - TaskFunctions, - WorkerFunction -} from '../utility-types' -import { AbstractWorker } from './abstract-worker' -import type { WorkerOptions } from './worker-options' +import { + isMainThread, + type MessagePort, + parentPort, + threadId +} from 'node:worker_threads' + +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' /** * A thread worker used by a poolifier `ThreadPool`. @@ -17,8 +19,8 @@ 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 +28,74 @@ export class ThreadWorker< Data = unknown, Response = unknown > extends AbstractWorker { + /** + * Message port used to communicate with the main worker. + */ + 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: TaskFunction | TaskFunctions, opts: WorkerOptions = {} ) { - super('worker-thread-pool:poolifier', isMainThread, fn, parentPort, opts) + super(isMainThread, parentPort, taskFunctions, opts) } /** @inheritDoc */ - protected sendToMainWorker (message: MessageValue): void { - this.getMainWorker().postMessage(message) + protected handleReadyMessage (message: MessageValue): void { + if ( + message.workerId === this.id && + message.ready === false && + message.port != null + ) { + try { + this.port = message.port + this.port.on('message', this.messageListener.bind(this)) + this.sendToMainWorker({ + ready: true, + taskFunctionNames: this.listTaskFunctionNames() + }) + } catch { + this.sendToMainWorker({ + ready: false, + taskFunctionNames: this.listTaskFunctionNames() + }) + } + } + } + + /** @inheritDoc */ + protected handleKillMessage (message: MessageValue): void { + super.handleKillMessage(message) + this.port?.unref() + this.port?.close() + } + + /** @inheritDoc */ + protected get id (): number { + return threadId + } + + /** @inheritDoc */ + protected readonly sendToMainWorker = ( + message: MessageValue + ): void => { + this.port?.postMessage({ + ...message, + workerId: this.id + } satisfies MessageValue) + } + + /** + * @inheritDoc + * @override + */ + protected handleError (error: Error | string): string { + return error as string } }