import {
+ type MessageChannel,
+ type MessagePort,
SHARE_ENV,
+ type TransferListItem,
Worker,
type WorkerOptions,
isMainThread
} from 'node:worker_threads'
import type { MessageValue } from '../../utility-types'
import { AbstractPool } from '../abstract-pool'
-import {
- type PoolOptions,
- type PoolType,
- PoolTypes,
- type WorkerType,
- WorkerTypes
-} from '../pool'
+import { type PoolOptions, type PoolType, PoolTypes } from '../pool'
+import { type WorkerType, WorkerTypes } from '../worker'
/**
* Options for a poolifier thread pool.
}
/** @inheritDoc */
- protected async destroyWorker (worker: Worker): Promise<void> {
- this.sendToWorker(worker, { kill: 1 })
+ protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
+ this.flagWorkerNodeAsNotReady(workerNodeKey)
+ this.flushTasksQueue(workerNodeKey)
+ // FIXME: wait for tasks to be finished
+ const workerNode = this.workerNodes[workerNodeKey]
+ const worker = workerNode.worker
+ const waitWorkerExit = new Promise<void>(resolve => {
+ worker.once('exit', () => {
+ resolve()
+ })
+ })
+ await this.sendKillMessageToWorker(workerNodeKey)
+ workerNode.closeChannel()
await worker.terminate()
+ await waitWorkerExit
+ }
+
+ /** @inheritDoc */
+ protected sendToWorker (
+ workerNodeKey: number,
+ message: MessageValue<Data>,
+ transferList?: TransferListItem[]
+ ): void {
+ (
+ this.workerNodes[workerNodeKey]?.messageChannel as MessageChannel
+ )?.port1?.postMessage(
+ { ...message, workerId: this.getWorkerInfo(workerNodeKey).id },
+ transferList
+ )
+ }
+
+ /** @inheritDoc */
+ protected sendStartupMessageToWorker (workerNodeKey: number): void {
+ const workerNode = this.workerNodes[workerNodeKey]
+ const port2: MessagePort = (workerNode.messageChannel as MessageChannel)
+ .port2
+ workerNode.worker.postMessage(
+ {
+ ready: false,
+ workerId: this.getWorkerInfo(workerNodeKey).id,
+ port: port2
+ },
+ [port2]
+ )
+ }
+
+ /** @inheritDoc */
+ protected registerWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ (
+ this.workerNodes[workerNodeKey]?.messageChannel as MessageChannel
+ ).port1.on('message', listener)
}
/** @inheritDoc */
- protected sendToWorker (worker: Worker, message: MessageValue<Data>): void {
- worker.postMessage(message)
+ protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ (
+ this.workerNodes[workerNodeKey]?.messageChannel as MessageChannel
+ ).port1.once('message', listener)
+ }
+
+ /** @inheritDoc */
+ protected deregisterWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ (
+ this.workerNodes[workerNodeKey]?.messageChannel as MessageChannel
+ ).port1.off('message', listener)
}
/** @inheritDoc */
return WorkerTypes.thread
}
- /** @inheritDoc */
- protected get minSize (): number {
- return this.numberOfWorkers
- }
-
- /** @inheritDoc */
- protected get maxSize (): number {
- return this.numberOfWorkers
- }
-
/** @inheritDoc */
protected get busy (): boolean {
return this.internalBusy()