fix: recreate the right worker type on uncaught error

[poolifier.git] / src / pools / worker.ts

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index b6dddd1d59ac24916dd8ab49591dc31c1edfa93a..20fac7ccce33fe1b32ac16874b1d721758cef137 100644 (file)
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,4 +1,3 @@
-import type { EventLoopUtilization } from 'node:perf_hooks'
 import type { CircularArray } from '../circular-array'
 import type { Queue } from '../queue'
 
@@ -7,7 +6,7 @@ import type { Queue } from '../queue'
  */
 export type MessageHandler<Worker extends IWorker> = (
   this: Worker,
-  m: unknown
+  message: unknown
 ) => void
 
 /**
@@ -15,7 +14,7 @@ export type MessageHandler<Worker extends IWorker> = (
  */
 export type ErrorHandler<Worker extends IWorker> = (
   this: Worker,
-  e: Error
+  error: Error
 ) => void
 
 /**
@@ -28,13 +27,13 @@ export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
  */
 export type ExitHandler<Worker extends IWorker> = (
   this: Worker,
-  code: number
+  exitCode: number
 ) => void
 
 /**
  * Message object that is passed as a task between main worker and worker.
  *
- * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
  * @internal
  */
 export interface Task<Data = unknown> {
@@ -63,9 +62,17 @@ export interface Task<Data = unknown> {
  */
 export interface MeasurementStatistics {
   /**
-   * Measurement aggregation.
+   * Measurement aggregate.
    */
-  aggregation: number
+  aggregate: number
+  /**
+   * Measurement minimum.
+   */
+  minimum: number
+  /**
+   * Measurement maximum.
+   */
+  maximum: number
   /**
    * Measurement average.
    */
@@ -77,7 +84,18 @@ export interface MeasurementStatistics {
   /**
    * Measurement history.
    */
-  history: CircularArray<number>
+  readonly history: CircularArray<number>
+}
+
+/**
+ * Event loop utilization measurement statistics.
+ *
+ * @internal
+ */
+export interface EventLoopUtilizationMeasurementStatistics {
+  readonly idle: MeasurementStatistics
+  readonly active: MeasurementStatistics
+  utilization?: number
 }
 
 /**
@@ -87,23 +105,51 @@ export interface MeasurementStatistics {
  */
 export interface TaskStatistics {
   /**
-   * Number of tasks executed.
+   * Number of executed tasks.
    */
   executed: number
   /**
-   * Number of tasks executing.
+   * Number of executing tasks.
    */
   executing: number
   /**
-   * Number of tasks queued.
+   * Number of queued tasks.
    */
   readonly queued: number
   /**
-   * Number of tasks failed.
+   * Maximum number of queued tasks.
+   */
+  readonly maxQueued: number
+  /**
+   * Number of failed tasks.
    */
   failed: number
 }
 
+/**
+ * Worker information.
+ *
+ * @internal
+ */
+export interface WorkerInfo {
+  /**
+   * Worker id.
+   */
+  readonly id: number | undefined
+  /**
+   * Dynamic flag.
+   */
+  dynamic: boolean
+  /**
+   * Started flag.
+   */
+  started: boolean
+  /**
+   * Shared buffer.
+   */
+  readonly sharedBuffer?: Int32Array
+}
+
 /**
  * Worker usage statistics.
  *
@@ -113,19 +159,19 @@ export interface WorkerUsage {
   /**
    * Tasks statistics.
    */
-  tasks: TaskStatistics
+  readonly tasks: TaskStatistics
   /**
    * Tasks runtime statistics.
    */
-  runTime: MeasurementStatistics
+  readonly runTime: MeasurementStatistics
   /**
    * Tasks wait time statistics.
    */
-  waitTime: MeasurementStatistics
+  readonly waitTime: MeasurementStatistics
   /**
-   * Event loop utilization.
+   * Tasks event loop utilization statistics.
    */
-  elu: EventLoopUtilization | undefined
+  readonly elu: EventLoopUtilizationMeasurementStatistics
 }
 
 /**
@@ -133,7 +179,12 @@ export interface WorkerUsage {
  */
 export interface IWorker {
   /**
-   * Register an event listener.
+   * Worker id.
+   */
+  readonly id?: number
+  readonly threadId?: number
+  /**
+   * Registers an event listener.
    *
    * @param event - The event.
    * @param handler - The event handler.
@@ -143,7 +194,7 @@ export interface IWorker {
   ((event: 'online', handler: OnlineHandler<this>) => void) &
   ((event: 'exit', handler: ExitHandler<this>) => void)
   /**
-   * Register a listener to the exit event that will only be performed once.
+   * Registers a listener to the exit event that will only be performed once.
    *
    * @param event - `'exit'`.
    * @param handler - The exit handler.
@@ -155,7 +206,7 @@ export interface IWorker {
  * Worker node interface.
  *
  * @typeParam Worker - Type of worker.
- * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
  * @internal
  */
 export interface WorkerNode<Worker extends IWorker, Data = unknown> {
@@ -163,10 +214,14 @@ export interface WorkerNode<Worker extends IWorker, Data = unknown> {
    * Worker node worker.
    */
   readonly worker: Worker
+  /**
+   * Worker node worker info.
+   */
+  readonly info: WorkerInfo
   /**
    * Worker node worker usage statistics.
    */
-  workerUsage: WorkerUsage
+  usage: WorkerUsage
   /**
    * Worker node tasks queue.
    */