X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fpool.ts;h=257b0d64b0844d664ba00763b1dcde79c4711ee7;hb=e8b3a5abad7d3ae4fa836ab0b76d54c1efd146e9;hp=992aaaf1099c7e341daf3bd1c6a937597018b5ea;hpb=70c7d7d3af9c38417416ca9096a6ab3ae835b5d0;p=poolifier.git

diff --git a/src/pools/pool.ts b/src/pools/pool.ts
index 992aaaf1..257b0d64 100644
--- a/src/pools/pool.ts
+++ b/src/pools/pool.ts
@@ -1,4 +1,4 @@
-import EventEmitter from 'node:events'
+import EventEmitterAsyncResource from 'node:events'
 import type {
   ErrorHandler,
   ExitHandler,
@@ -13,33 +13,50 @@ import type {
 } from './selection-strategies/selection-strategies-types'
 
 /**
- * Pool types.
- *
- * @enum
- * @internal
+ * Enumeration of pool types.
  */
-export enum PoolType {
+export const PoolTypes = Object.freeze({
   /**
    * Fixed pool type.
    */
-  FIXED = 'fixed',
+  fixed: 'fixed',
   /**
    * Dynamic pool type.
    */
-  DYNAMIC = 'dynamic'
-}
+  dynamic: 'dynamic'
+} as const)
+
+/**
+ * Pool type.
+ */
+export type PoolType = keyof typeof PoolTypes
+
+/**
+ * Enumeration of worker types.
+ */
+export const WorkerTypes = Object.freeze({
+  cluster: 'cluster',
+  thread: 'thread'
+} as const)
+
+/**
+ * Worker type.
+ */
+export type WorkerType = keyof typeof WorkerTypes
 
 /**
  * Pool events emitter.
  */
-export class PoolEmitter extends EventEmitter {}
+export class PoolEmitter extends EventEmitterAsyncResource {}
 
 /**
  * Enumeration of pool events.
  */
 export const PoolEvents = Object.freeze({
   full: 'full',
-  busy: 'busy'
+  busy: 'busy',
+  error: 'error',
+  taskError: 'taskError'
 } as const)
 
 /**
@@ -47,6 +64,24 @@ export const PoolEvents = Object.freeze({
  */
 export type PoolEvent = keyof typeof PoolEvents
 
+/**
+ * Pool information.
+ */
+export interface PoolInfo {
+  type: PoolType
+  worker: WorkerType
+  minSize: number
+  maxSize: number
+  workerNodes: number
+  idleWorkerNodes: number
+  busyWorkerNodes: number
+  executedTasks: number
+  executingTasks: number
+  queuedTasks: number
+  maxQueuedTasks: number
+  failedTasks: number
+}
+
 /**
  * Worker tasks queue options.
  */
@@ -91,6 +126,10 @@ export interface PoolOptions<Worker extends IWorker> {
    * The worker choice strategy options.
    */
   workerChoiceStrategyOptions?: WorkerChoiceStrategyOptions
+  /**
+   * Restart worker on error.
+   */
+  restartWorkerOnError?: boolean
   /**
    * Pool events emission.
    *
@@ -122,11 +161,9 @@ export interface IPool<
   Response = unknown
 > {
   /**
-   * Pool type.
-   *
-   * If it is `'dynamic'`, it provides the `max` property.
+   * Pool information.
    */
-  readonly type: PoolType
+  readonly info: PoolInfo
   /**
    * Pool worker nodes.
    */
@@ -138,10 +175,12 @@ export interface IPool<
    *
    * - `'full'`: Emitted when the pool is dynamic and full.
    * - `'busy'`: Emitted when the pool is busy.
+   * - `'error'`: Emitted when an uncaught error occurs.
+   * - `'taskError'`: Emitted when an error occurs while executing a task.
    */
   readonly emitter?: PoolEmitter
   /**
-   * Executes the function specified in the worker constructor with the task data input parameter.
+   * Executes the specified function in the worker constructor with the task data input parameter.
    *
    * @param data - The task input data for the specified worker function. This can only be serializable data.
    * @param name - The name of the worker function to execute. If not specified, the default worker function will be executed.
@@ -149,7 +188,7 @@ export interface IPool<
    */
   execute: (data?: Data, name?: string) => Promise<Response>
   /**
-   * Shutdowns every current worker in this pool.
+   * Terminate every current worker in this pool.
    */
   destroy: () => Promise<void>
   /**