import type { MessageValue } from '../utility-types'
import { AbstractWorker } from './abstract-worker'
import type { WorkerOptions } from './worker-options'
-import type { TaskFunctions, WorkerFunction } from './worker-functions'
+import type { TaskFunction, TaskFunctions } from './task-functions'
/**
* A thread worker used by a poolifier `ThreadPool`.
Data = unknown,
Response = unknown
> extends AbstractWorker<MessagePort, Data, Response> {
+ /**
+ * Message port used to communicate with the main worker.
+ */
+ private port!: MessagePort
/**
* Constructs a new poolifier thread worker.
*
* @param opts - Options for the worker.
*/
public constructor (
- taskFunctions:
- | WorkerFunction<Data, Response>
- | TaskFunctions<Data, Response>,
+ taskFunctions: TaskFunction<Data, Response> | TaskFunctions<Data, Response>,
opts: WorkerOptions = {}
) {
super(
- 'worker-thread-pool:poolifier',
+ 'poolifier:thread-worker',
isMainThread,
- taskFunctions,
parentPort as MessagePort,
+ taskFunctions,
opts
)
- if (!this.isMain) {
- this.sendToMainWorker({ workerId: this.id, started: true })
+ }
+
+ /** @inheritDoc */
+ protected handleReadyMessage (message: MessageValue<Data>): 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<Data>): void {
+ super.handleKillMessage(message)
+ this.port?.unref()
+ this.port?.close()
+ }
+
+ /** @inheritDoc */
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)
+ this.port.postMessage({ ...message, workerId: this.id })
+ }
+
+ /**
+ * @inheritDoc
+ * @override
+ */
+ protected handleError (error: Error | string): string {
+ return error as string
}
}