X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fworker%2Fthread-worker.ts;h=7b92caf67201795797f6e3e06fff4fc593f4ee94;hb=037af3175d6121a6c08a631c992aa0d7fe853a9f;hp=75cd9da505b709a954f188ab209145221c90bc84;hpb=82888165d01dba6a57f5047d4a4c27c6da6025f3;p=poolifier.git diff --git a/src/worker/thread-worker.ts b/src/worker/thread-worker.ts index 75cd9da5..7b92caf6 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 { TaskFunction, TaskFunctions } from './task-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 */ @@ -26,6 +27,10 @@ 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. * @@ -33,22 +38,60 @@ export class ThreadWorker< * @param opts - Options for the worker. */ public constructor ( - taskFunctions: - | WorkerFunction - | TaskFunctions, + taskFunctions: TaskFunction | TaskFunctions, opts: WorkerOptions = {} ) { super( 'worker-thread-pool:poolifier', isMainThread, + parentPort as MessagePort, taskFunctions, - parentPort, opts ) } + /** @inheritDoc */ + 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 sendToMainWorker (message: MessageValue): void { - this.getMainWorker().postMessage(message) + this.port.postMessage({ ...message, workerId: this.id }) + } + + /** @inheritDoc */ + protected handleError (error: Error | string): string { + return error as string } }