Merge pull request #770 from poolifier/elu-strategy

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

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 82aed5526c976a1d05691dd04d922d4f33bcd5ee..841a2bcb1513ba3dc017d4b599ef61e3329611ab 100644 (file)
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,4 +1,6 @@
+import type { EventLoopUtilization } from 'node:perf_hooks'
 import type { CircularArray } from '../circular-array'
+import type { Queue } from '../queue'
 
 /**
  * Callback invoked if the worker has received a message.
@@ -37,11 +39,19 @@ export type ExitHandler<Worker extends IWorker> = (
  */
 export interface Task<Data = unknown> {
   /**
-   * Input data that will be passed to the worker.
+   * Task name.
+   */
+  readonly name?: string
+  /**
+   * Task input data that will be passed to the worker.
    */
   readonly data?: Data
   /**
-   * UUID of the message.
+   * Timestamp.
+   */
+  readonly timestamp?: number
+  /**
+   * Message UUID.
    */
   readonly id?: string
 }
@@ -55,7 +65,7 @@ export interface TasksUsage {
   /**
    * Number of tasks executed.
    */
-  run: number
+  ran: number
   /**
    * Number of tasks running.
    */
@@ -76,10 +86,30 @@ export interface TasksUsage {
    * Median tasks runtime.
    */
   medRunTime: number
+  /**
+   * Tasks wait time.
+   */
+  waitTime: number
+  /**
+   * Tasks wait time history.
+   */
+  waitTimeHistory: CircularArray<number>
+  /**
+   * Average tasks wait time.
+   */
+  avgWaitTime: number
+  /**
+   * Median tasks wait time.
+   */
+  medWaitTime: number
   /**
    * Number of tasks errored.
    */
   error: number
+  /**
+   * Event loop utilization.
+   */
+  elu: EventLoopUtilization | undefined
 }
 
 /**
@@ -90,14 +120,14 @@ export interface IWorker {
    * Register an event listener.
    *
    * @param event - The event.
-   * @param handler - The event listener.
+   * @param handler - The event handler.
    */
   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 performed once.
+   * Register a listener to the exit event that will only be performed once.
    *
    * @param event - `'exit'`.
    * @param handler - The exit handler.
@@ -124,5 +154,5 @@ export interface WorkerNode<Worker extends IWorker, Data = unknown> {
   /**
    * Worker node tasks queue.
    */
-  readonly tasksQueue: Array<Task<Data>>
+  readonly tasksQueue: Queue<Task<Data>>
 }