public readonly emitter?: PoolEmitter
/**
- * The promise response map.
+ * The execution response promise map.
*
* - `key`: The message id of each submitted task.
- * - `value`: An object that contains the worker, the promise resolve and reject callbacks.
+ * - `value`: An object that contains the worker, the execution response promise resolve and reject callbacks.
*
- * When we receive a message from the worker we get a map entry with the promise resolve/reject bound to the message.
+ * When we receive a message from the worker, we get a map entry with the promise resolve/reject bound to the message id.
*/
protected promiseResponseMap: Map<
string,
this.checkPoolOptions(this.opts)
this.chooseWorkerNode.bind(this)
- this.internalExecute.bind(this)
+ this.executeTask.bind(this)
+ this.enqueueTask.bind(this)
this.checkAndEmitEvents.bind(this)
- this.sendToWorker.bind(this)
this.setupHook()
): void {
this.checkValidWorkerChoiceStrategy(workerChoiceStrategy)
this.opts.workerChoiceStrategy = workerChoiceStrategy
- for (const [index, workerNode] of this.workerNodes.entries()) {
- this.setWorkerNode(
- index,
- workerNode.worker,
- {
- run: 0,
- running: 0,
- runTime: 0,
- runTimeHistory: new CircularArray(),
- avgRunTime: 0,
- medRunTime: 0,
- error: 0
- },
- workerNode.tasksQueue
- )
+ for (const workerNode of this.workerNodes) {
+ this.setWorkerNodeTasksUsage(workerNode, {
+ run: 0,
+ running: 0,
+ runTime: 0,
+ runTimeHistory: new CircularArray(),
+ avgRunTime: 0,
+ medRunTime: 0,
+ error: 0
+ })
}
this.workerChoiceStrategyContext.setWorkerChoiceStrategy(
workerChoiceStrategy
data: data ?? ({} as Data),
id: crypto.randomUUID()
}
- const res = this.internalExecute(workerNodeKey, workerNode, submittedTask)
- let currentTask: Task<Data> = submittedTask
+ const res = new Promise<Response>((resolve, reject) => {
+ this.promiseResponseMap.set(submittedTask.id, {
+ resolve,
+ reject,
+ worker: workerNode.worker
+ })
+ })
if (
this.opts.enableTasksQueue === true &&
- (this.busy || this.tasksQueueSize(workerNodeKey) > 0)
+ (this.busy || this.workerNodes[workerNodeKey].tasksUsage.running > 0)
) {
- currentTask = this.enqueueDequeueTask(
- workerNodeKey,
- submittedTask
- ) as Task<Data>
+ this.enqueueTask(workerNodeKey, submittedTask)
+ } else {
+ this.executeTask(workerNodeKey, submittedTask)
}
- this.sendToWorker(workerNode.worker, currentTask)
this.checkAndEmitEvents()
// eslint-disable-next-line @typescript-eslint/return-await
return res
protected abstract destroyWorker (worker: Worker): void | Promise<void>
/**
- * Setup hook to run code before worker node are created in the abstract constructor.
+ * Setup hook to execute code before worker node are created in the abstract constructor.
* Can be overridden
*
* @virtual
protected abstract isMain (): boolean
/**
- * Hook executed before the worker task promise resolution.
+ * Hook executed before the worker task execution.
* Can be overridden.
*
* @param workerNodeKey - The worker node key.
*/
- protected beforePromiseResponseHook (workerNodeKey: number): void {
+ protected beforeTaskExecutionHook (workerNodeKey: number): void {
++this.workerNodes[workerNodeKey].tasksUsage.running
}
/**
- * Hook executed after the worker task promise resolution.
+ * Hook executed after the worker task execution.
* Can be overridden.
*
* @param worker - The worker.
* @param message - The received message.
*/
- protected afterPromiseResponseHook (
+ protected afterTaskExecutionHook (
worker: Worker,
message: MessageValue<Response>
): void {
protected workerListener (): (message: MessageValue<Response>) => void {
return message => {
if (message.id != null) {
- // Task response received
+ // Task execution response received
const promiseResponse = this.promiseResponseMap.get(message.id)
if (promiseResponse != null) {
if (message.error != null) {
} else {
promiseResponse.resolve(message.data as Response)
}
- this.afterPromiseResponseHook(promiseResponse.worker, message)
+ this.afterTaskExecutionHook(promiseResponse.worker, message)
this.promiseResponseMap.delete(message.id)
const workerNodeKey = this.getWorkerNodeKey(promiseResponse.worker)
if (
this.opts.enableTasksQueue === true &&
this.tasksQueueSize(workerNodeKey) > 0
) {
- this.sendToWorker(
- promiseResponse.worker,
+ this.executeTask(
+ workerNodeKey,
this.dequeueTask(workerNodeKey) as Task<Data>
)
}
}
}
- private async internalExecute (
- workerNodeKey: number,
- workerNode: WorkerNode<Worker, Data>,
- task: Task<Data>
- ): Promise<Response> {
- this.beforePromiseResponseHook(workerNodeKey)
- return await new Promise<Response>((resolve, reject) => {
- this.promiseResponseMap.set(task.id, {
- resolve,
- reject,
- worker: workerNode.worker
- })
- })
- }
-
private checkAndEmitEvents (): void {
if (this.opts.enableEvents === true) {
if (this.busy) {
}
}
+ /**
+ * Sets the given worker node its tasks usage in the pool.
+ *
+ * @param workerNode - The worker node.
+ * @param tasksUsage - The worker node tasks usage.
+ */
+ private setWorkerNodeTasksUsage (
+ workerNode: WorkerNode<Worker, Data>,
+ tasksUsage: TasksUsage
+ ): void {
+ workerNode.tasksUsage = tasksUsage
+ }
+
/**
* Gets the given worker its tasks usage in the pool.
*
this.workerChoiceStrategyContext.remove(workerNodeKey)
}
- private enqueueDequeueTask (
- workerNodeKey: number,
- task: Task<Data>
- ): Task<Data> | undefined {
- this.enqueueTask(workerNodeKey, task)
- return this.dequeueTask(workerNodeKey)
+ private executeTask (workerNodeKey: number, task: Task<Data>): void {
+ this.beforeTaskExecutionHook(workerNodeKey)
+ this.sendToWorker(this.workerNodes[workerNodeKey].worker, task)
}
private enqueueTask (workerNodeKey: number, task: Task<Data>): void {
private flushTasksQueue (workerNodeKey: number): void {
if (this.tasksQueueSize(workerNodeKey) > 0) {
for (const task of this.workerNodes[workerNodeKey].tasksQueue) {
- this.sendToWorker(this.workerNodes[workerNodeKey].worker, task)
+ this.executeTask(workerNodeKey, task)
}
- this.workerNodes[workerNodeKey].tasksQueue = []
}
}
repositories / poolifier.git / blobdiff