X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fworker.ts;h=3c44f05eae148883c5c83f91304f894d2297e5fc;hb=2809112e53951451aeb76e86a2dcc263ba80e43c;hp=58610eaaddacc2beea93809f80675bb8530010c0;hpb=5c4d16da7677746e563fdcfe7f82cbb842d1c9e6;p=poolifier.git

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 58610eaa..3c44f05e 100644
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,6 +1,12 @@
+import type { MessageChannel } from 'node:worker_threads'
 import type { CircularArray } from '../circular-array'
 import type { Task } from '../utility-types'
 
+/**
+ * Callback invoked when the worker has started successfully.
+ */
+export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
+
 /**
  * Callback invoked if the worker has received a message.
  */
@@ -17,11 +23,6 @@ export type ErrorHandler<Worker extends IWorker> = (
   error: Error
 ) => void
 
-/**
- * Callback invoked when the worker has started successfully.
- */
-export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
-
 /**
  * Callback invoked when the worker exits successfully.
  */
@@ -105,8 +106,8 @@ export interface TaskStatistics {
  * Enumeration of worker types.
  */
 export const WorkerTypes = Object.freeze({
-  cluster: 'cluster',
-  thread: 'thread'
+  thread: 'thread',
+  cluster: 'cluster'
 } as const)
 
 /**
@@ -136,6 +137,10 @@ export interface WorkerInfo {
    * Ready flag.
    */
   ready: boolean
+  /**
+   * Task function names.
+   */
+  taskFunctions?: string[]
 }
 
 /**
@@ -177,9 +182,9 @@ export interface IWorker {
    * @param event - The event.
    * @param handler - The event handler.
    */
-  readonly on: ((event: 'message', handler: MessageHandler<this>) => void) &
+  readonly on: ((event: 'online', handler: OnlineHandler<this>) => void) &
+  ((event: 'message', handler: MessageHandler<this>) => void) &
   ((event: 'error', handler: ErrorHandler<this>) => void) &
-  ((event: 'online', handler: OnlineHandler<this>) => void) &
   ((event: 'exit', handler: ExitHandler<this>) => void)
   /**
    * Registers a listener to the exit event that will only be performed once.
@@ -206,6 +211,10 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * Worker info.
    */
   readonly info: WorkerInfo
+  /**
+   * Message channel.
+   */
+  readonly messageChannel?: MessageChannel
   /**
    * Worker usage statistics.
    */
@@ -233,12 +242,25 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * Clears tasks queue.
    */
   readonly clearTasksQueue: () => void
+  /**
+   * Whether the worker node has back pressure.
+   *
+   * @returns `true` if the worker node has back pressure, `false` otherwise.
+   */
+  readonly hasBackPressure: () => boolean
   /**
    * Resets usage statistics .
    */
   readonly resetUsage: () => void
   /**
-   * Gets task usage statistics.
+   * Closes communication channel.
+   */
+  readonly closeChannel: () => void
+  /**
+   * Gets task function worker usage statistics.
+   *
+   * @param name - The task function name.
+   * @returns The task function worker usage statistics if the task function worker usage statistics are initialized, `undefined` otherwise.
    */
   readonly getTaskWorkerUsage: (name: string) => WorkerUsage | undefined
 }