X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fpool-internal.ts;h=e0d0534f83a846cbfac77eb87e305e0975c49abf;hb=e5a5c0fc68a38b7d6316cc573c34313aa6ec30e9;hp=ddee27eac0ed21bf43ca4f61b8378ee3a3146b6a;hpb=a35560bac09e829e1e19f88f8fd1d71a64c9d50b;p=poolifier.git

diff --git a/src/pools/pool-internal.ts b/src/pools/pool-internal.ts
index ddee27ea..e0d0534f 100644
--- a/src/pools/pool-internal.ts
+++ b/src/pools/pool-internal.ts
@@ -1,22 +1,33 @@
-import EventEmitter from 'events'
-import type { MessageValue } from '../utility-types'
-import type { IWorker } from './abstract-pool'
 import type { IPool } from './pool'
+import type { IPoolWorker } from './pool-worker'
 
 /**
- * Internal poolifier pool emitter.
+ * Internal pool types.
  */
-export class PoolEmitter extends EventEmitter {}
+export enum PoolType {
+  FIXED = 'fixed',
+  DYNAMIC = 'dynamic'
+}
+
+/**
+ * Internal tasks usage statistics.
+ */
+export interface TasksUsage {
+  run: number
+  running: number
+  runTime: number
+  avgRunTime: number
+}
 
 /**
  * Internal contract definition for a poolifier pool.
  *
- * @template Worker Type of worker which manages this pool.
- * @template Data Type of data sent to the worker.
- * @template Response Type of response of execution.
+ * @typeParam Worker - Type of worker which manages this pool.
+ * @typeParam Data - Type of data sent to the worker.
+ * @typeParam Response - Type of response of execution.
  */
 export interface IPoolInternal<
-  Worker extends IWorker,
+  Worker extends IPoolWorker,
   Data = unknown,
   Response = unknown
 > extends IPool<Data, Response> {
@@ -26,56 +37,64 @@ export interface IPoolInternal<
   readonly workers: Worker[]
 
   /**
-   * The tasks map.
+   * The workers tasks usage map.
    *
-   * - `key`: The `Worker`
-   * - `value`: Number of tasks currently in progress on the worker.
+   *  `key`: The `Worker`
+   *  `value`: Worker tasks usage statistics.
    */
-  readonly tasks: Map<Worker, number>
+  readonly workersTasksUsage: Map<Worker, TasksUsage>
 
   /**
-   * Emitter on which events can be listened to.
+   * Pool type.
    *
-   * Events that can currently be listened to:
+   * If it is `'dynamic'`, it provides the `max` property.
+   */
+  readonly type: PoolType
+
+  /**
+   * Whether the pool is busy or not.
    *
-   * - `'FullPool'`
+   * The pool busyness boolean status.
    */
-  readonly emitter: PoolEmitter
+  readonly busy: boolean
 
   /**
-   * Maximum number of workers that can be created by this pool.
+   * Number of tasks currently concurrently running.
    */
-  readonly max?: number
+  readonly numberOfRunningTasks: number
 
   /**
-   * Whether the pool is dynamic or not.
+   * Finds a free worker based on the number of tasks the worker has applied.
+   *
+   * If a worker is found with `0` running tasks, it is detected as free and returned.
+   *
+   * If no free worker is found, `false` is returned.
    *
-   * If it is dynamic, it provides the `max` property.
+   * @returns A free worker if there is one, otherwise `false`.
    */
-  isDynamic(): boolean
+  findFreeWorker: () => Worker | false
 
   /**
-   * Creates a new worker for this pool and sets it up completely.
+   * Gets worker index.
    *
-   * @returns New, completely set up worker.
+   * @param worker - The worker.
+   * @returns The worker index.
    */
-  createAndSetupWorker(): Worker
+  getWorkerIndex: (worker: Worker) => number
 
   /**
-   * Shut down given worker.
+   * Gets worker running tasks.
    *
-   * @param worker A worker within `workers`.
+   * @param worker - The worker.
+   * @returns The number of tasks currently running on the worker.
    */
-  destroyWorker(worker: Worker): void | Promise<void>
+  getWorkerRunningTasks: (worker: Worker) => number | undefined
 
   /**
-   * Register a listener callback on a given worker.
+   * Gets worker average tasks runtime.
    *
-   * @param worker A worker.
-   * @param listener A message listener callback.
+   * @param worker - The worker.
+   * @returns The average tasks runtime on the worker.
    */
-  registerWorkerMessageListener<Message extends Data | Response>(
-    worker: Worker,
-    listener: (message: MessageValue<Message>) => void
-  ): void
+  getWorkerAverageTasksRunTime: (worker: Worker) => number | undefined
 }