type PoolType,
PoolTypes,
type TasksQueueOptions,
- type WorkerType
+ type WorkerType,
+ WorkerTypes
} from './pool'
import type {
IWorker,
}
}
+ private get starting (): boolean {
+ return this.workerNodes.some(workerNode => !workerNode.info.started)
+ }
+
+ private get started (): boolean {
+ return this.workerNodes.some(workerNode => workerNode.info.started)
+ }
+
/** @inheritDoc */
public get info (): PoolInfo {
return {
*/
protected abstract get maxSize (): number
+ /**
+ * Get the worker given its id.
+ *
+ * @param workerId - The worker id.
+ * @returns The worker if found in the pool worker nodes, `undefined` otherwise.
+ */
+ private getWorkerById (workerId: number): Worker | undefined {
+ return this.workerNodes.find(workerNode => workerNode.info.id === workerId)
+ ?.worker
+ }
+
/**
* Gets the given worker its worker node key.
*
if (this.emitter != null) {
this.emitter.emit(PoolEvents.error, error)
}
- if (this.opts.restartWorkerOnError === true) {
+ if (this.opts.restartWorkerOnError === true && !this.starting) {
this.createAndSetupWorker()
}
})
*/
protected workerListener (): (message: MessageValue<Response>) => void {
return message => {
- if (message.id != null) {
+ if (message.workerId != null && message.started != null) {
+ // Worker started message received
+ const worker = this.getWorkerById(message.workerId)
+ if (worker != null) {
+ this.workerNodes[this.getWorkerNodeKey(worker)].info.started =
+ message.started
+ } else {
+ throw new Error('Worker started message received from unknown worker')
+ }
+ } else if (message.id != null) {
// Task execution response received
const promiseResponse = this.promiseResponseMap.get(message.id)
if (promiseResponse != null) {
private pushWorkerNode (worker: Worker): number {
this.workerNodes.push({
worker,
+ info: { id: this.getWorkerId(worker), started: false },
usage: this.getWorkerUsage(),
tasksQueue: new Queue<Task<Data>>()
})
return this.workerNodes.length
}
+ /**
+ * Gets the worker id.
+ *
+ * @param worker - The worker.
+ * @returns The worker id.
+ */
+ private getWorkerId (worker: Worker): number | undefined {
+ if (this.worker === WorkerTypes.thread) {
+ return worker.threadId
+ } else if (this.worker === WorkerTypes.cluster) {
+ return worker.id
+ }
+ }
+
// /**
// * Sets the given worker in the pool worker nodes.
// *
// * @param workerNodeKey - The worker node key.
// * @param worker - The worker.
+ // * @param workerInfo - The worker info.
// * @param workerUsage - The worker usage.
// * @param tasksQueue - The worker task queue.
// */
// private setWorkerNode (
// workerNodeKey: number,
// worker: Worker,
+ // workerInfo: WorkerInfo,
// workerUsage: WorkerUsage,
// tasksQueue: Queue<Task<Data>>
// ): void {
// this.workerNodes[workerNodeKey] = {
// worker,
+ // info: workerInfo,
// usage: workerUsage,
// tasksQueue
// }
-import { type MessagePort, isMainThread, parentPort } from 'node:worker_threads'
+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'
parentPort as MessagePort,
opts
)
+ if (!this.isMain) {
+ this.sendToMainWorker({ workerId: this.id, started: true })
+ }
+ }
+
+ protected get id (): number {
+ return threadId
}
/** @inheritDoc */
protected sendToMainWorker (message: MessageValue<Response>): void {
+ console.log('sending message to main worker(thread)', message)
this.getMainWorker().postMessage(message)
}
}