import cluster, { type ClusterSettings, type Worker } from 'node:cluster'
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 cluster pool.
}
/** @inheritDoc */
- protected destroyWorker (worker: Worker): void {
- this.sendToWorker(worker, { kill: 1 })
+ protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
+ 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.on('exit', () => {
+ resolve()
+ })
+ })
worker.on('disconnect', () => {
worker.kill()
})
+ await this.sendKillMessageToWorker(workerNodeKey)
worker.disconnect()
+ await waitWorkerExit
}
/** @inheritDoc */
- protected sendToWorker (worker: Worker, message: MessageValue<Data>): void {
- worker.send(message)
+ protected sendToWorker (
+ workerNodeKey: number,
+ message: MessageValue<Data>
+ ): void {
+ this.workerNodes[workerNodeKey].worker.send({
+ ...message,
+ workerId: this.workerNodes[workerNodeKey].info.id as number
+ })
}
/** @inheritDoc */
- protected createWorker (): Worker {
- return cluster.fork(this.opts.env)
+ protected sendStartupMessageToWorker (workerNodeKey: number): void {
+ this.sendToWorker(workerNodeKey, {
+ ready: false
+ })
}
/** @inheritDoc */
- protected get type (): PoolType {
- return PoolTypes.fixed
+ protected registerWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].worker.on('message', listener)
}
/** @inheritDoc */
- protected get worker (): WorkerType {
- return WorkerTypes.cluster
+ protected createWorker (): Worker {
+ return cluster.fork(this.opts.env)
}
/** @inheritDoc */
- protected get minSize (): number {
- return this.numberOfWorkers
+ protected get type (): PoolType {
+ return PoolTypes.fixed
}
/** @inheritDoc */
- protected get maxSize (): number {
- return this.numberOfWorkers
+ protected get worker (): WorkerType {
+ return WorkerTypes.cluster
}
/** @inheritDoc */