/** @inheritDoc */
protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
+ this.flagWorkerNodeAsNotReady(workerNodeKey)
this.flushTasksQueue(workerNodeKey)
// FIXME: wait for tasks to be finished
- const worker = this.workerNodes[workerNodeKey].worker
- const waitWorkerExit = new Promise<void>((resolve) => {
- worker.on('exit', () => {
+ const workerNode = this.workerNodes[workerNodeKey]
+ const worker = workerNode.worker
+ const waitWorkerExit = new Promise<void>(resolve => {
+ worker.once('exit', () => {
resolve()
})
})
- worker.on('disconnect', () => {
+ worker.once('disconnect', () => {
worker.kill()
})
- await this.sendKillMessageToWorker(workerNodeKey, worker.id)
+ await this.sendKillMessageToWorker(workerNodeKey)
worker.disconnect()
await waitWorkerExit
}
workerNodeKey: number,
message: MessageValue<Data>
): void {
- this.workerNodes[workerNodeKey].worker.send(message)
+ this.workerNodes[workerNodeKey].worker.send({
+ ...message,
+ workerId: this.getWorkerInfo(workerNodeKey).id as number
+ })
}
/** @inheritDoc */
protected sendStartupMessageToWorker (workerNodeKey: number): void {
this.sendToWorker(workerNodeKey, {
- ready: false,
- workerId: this.workerNodes[workerNodeKey].worker.id
+ ready: false
})
}
this.workerNodes[workerNodeKey].worker.on('message', listener)
}
+ /** @inheritDoc */
+ protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].worker.once('message', listener)
+ }
+
+ /** @inheritDoc */
+ protected deregisterWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].worker.off('message', listener)
+ }
+
/** @inheritDoc */
protected createWorker (): Worker {
return cluster.fork(this.opts.env)