fix: fix tasks usage accounting initializer

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

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 86f5121dd1d73239c925c51319b6ff8bdc9b2a03..41659adbdbec5b8d6b489d8dbfcb24f0820aff56 100644 (file)
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,5 +1,4 @@
 import type { CircularArray } from '../circular-array'
-import type { Queue } from '../queue'
 
 /**
  * Callback invoked if the worker has received a message.
@@ -37,6 +36,10 @@ export type ExitHandler<Worker extends IWorker> = (
  * @internal
  */
 export interface Task<Data = unknown> {
+  /**
+   * Worker id.
+   */
+  readonly workerId: number
   /**
    * Task name.
    */
@@ -64,19 +67,27 @@ export interface MeasurementStatistics {
   /**
    * Measurement aggregate.
    */
-  aggregate: number
+  aggregate?: number
+  /**
+   * Measurement minimum.
+   */
+  minimum?: number
+  /**
+   * Measurement maximum.
+   */
+  maximum?: number
   /**
    * Measurement average.
    */
-  average: number
+  average?: number
   /**
    * Measurement median.
    */
-  median: number
+  median?: number
   /**
    * Measurement history.
    */
-  history: CircularArray<number>
+  readonly history: CircularArray<number>
 }
 
 /**
@@ -85,9 +96,9 @@ export interface MeasurementStatistics {
  * @internal
  */
 export interface EventLoopUtilizationMeasurementStatistics {
-  idle: MeasurementStatistics
-  active: MeasurementStatistics
-  utilization: number
+  readonly idle: MeasurementStatistics
+  readonly active: MeasurementStatistics
+  utilization?: number
 }
 
 /**
@@ -111,13 +122,50 @@ export interface TaskStatistics {
   /**
    * Maximum number of queued tasks.
    */
-  readonly maxQueued: number
+  readonly maxQueued?: number
   /**
    * Number of failed tasks.
    */
   failed: number
 }
 
+/**
+ * Enumeration of worker types.
+ */
+export const WorkerTypes = Object.freeze({
+  cluster: 'cluster',
+  thread: 'thread'
+} as const)
+
+/**
+ * Worker type.
+ */
+export type WorkerType = keyof typeof WorkerTypes
+
+/**
+ * Worker information.
+ *
+ * @internal
+ */
+export interface WorkerInfo {
+  /**
+   * Worker id.
+   */
+  readonly id: number | undefined
+  /**
+   * Worker type.
+   */
+  type: WorkerType
+  /**
+   * Dynamic flag.
+   */
+  dynamic: boolean
+  /**
+   * Ready flag.
+   */
+  ready: boolean
+}
+
 /**
  * Worker usage statistics.
  *
@@ -127,19 +175,19 @@ 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
   /**
    * Tasks event loop utilization statistics.
    */
-  elu: EventLoopUtilizationMeasurementStatistics
+  readonly elu: EventLoopUtilizationMeasurementStatistics
 }
 
 /**
@@ -147,22 +195,27 @@ 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.
    */
-  on: ((event: 'message', handler: MessageHandler<this>) => void) &
+  readonly on: ((event: 'message', handler: MessageHandler<this>) => void) &
   ((event: 'error', handler: ErrorHandler<this>) => void) &
   ((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.
    */
-  once: (event: 'exit', handler: ExitHandler<this>) => void
+  readonly once: (event: 'exit', handler: ExitHandler<this>) => void
 }
 
 /**
@@ -172,17 +225,48 @@ export interface IWorker {
  * @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> {
+export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
   /**
    * Worker node worker.
    */
   readonly worker: Worker
+  /**
+   * Worker node worker info.
+   */
+  readonly info: WorkerInfo
   /**
    * Worker node worker usage statistics.
    */
   usage: WorkerUsage
   /**
-   * Worker node tasks queue.
+   * Worker node tasks queue size.
+   *
+   * @returns The tasks queue size.
+   */
+  readonly tasksQueueSize: () => number
+  /**
+   * Worker node enqueue task.
+   *
+   * @param task - The task to queue.
+   * @returns The task queue size.
+   */
+  readonly enqueueTask: (task: Task<Data>) => number
+  /**
+   * Worker node dequeue task.
+   *
+   * @returns The dequeued task.
+   */
+  readonly dequeueTask: () => Task<Data> | undefined
+  /**
+   * Worker node clear tasks queue.
+   */
+  readonly clearTasksQueue: () => void
+  /**
+   * Worker node reset usage statistics .
+   */
+  readonly resetUsage: () => void
+  /**
+   * Worker node get tasks usage statistics.
    */
-  readonly tasksQueue: Queue<Task<Data>>
+  readonly getTasksWorkerUsage: (name: string) => WorkerUsage | undefined
 }