X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fpool.ts;h=212253ffbc5be7faff8760dc3847f9cdc486bb89;hb=f4d1dbd1592e24d7a09f35013c3e0f0762240254;hp=cc028fecf45d7e3106b09cd0028a55e977e284b9;hpb=12668d727d1e1ed4e41479d9001b32180369e1de;p=poolifier.git diff --git a/src/pools/pool.ts b/src/pools/pool.ts index cc028fec..212253ff 100644 --- a/src/pools/pool.ts +++ b/src/pools/pool.ts @@ -1,5 +1,6 @@ import { EventEmitter } from 'node:events' import { type TransferListItem } from 'node:worker_threads' +import type { TaskFunction } from '../worker/task-functions' import type { ErrorHandler, ExitHandler, @@ -63,6 +64,7 @@ export interface PoolInfo { readonly version: string readonly type: PoolType readonly worker: WorkerType + readonly started: boolean readonly ready: boolean readonly strategy: WorkerChoiceStrategy readonly minSize: number @@ -80,6 +82,7 @@ export interface PoolInfo { readonly queuedTasks?: number readonly maxQueuedTasks?: number readonly backPressure?: boolean + readonly stolenTasks?: number readonly failedTasks: number readonly runTime?: { readonly minimum: number @@ -105,16 +108,24 @@ export interface TasksQueueOptions { * @defaultValue (pool maximum size)^2 */ readonly size?: number - /** - * @deprecated Use `size` instead. - */ - readonly queueMaxSize?: number /** * Maximum number of tasks that can be executed concurrently on a worker node. * * @defaultValue 1 */ readonly concurrency?: number + /** + * Whether to enable task stealing. + * + * @defaultValue true + */ + readonly taskStealing?: boolean + /** + * Whether to enable tasks stealing on back pressure. + * + * @defaultValue true + */ + readonly tasksStealingOnBackPressure?: boolean } /** @@ -125,20 +136,34 @@ export interface TasksQueueOptions { export interface PoolOptions { /** * A function that will listen for online event on each worker. + * + * @defaultValue `() => {}` */ onlineHandler?: OnlineHandler /** * A function that will listen for message event on each worker. + * + * @defaultValue `() => {}` */ messageHandler?: MessageHandler /** * A function that will listen for error event on each worker. + * + * @defaultValue `() => {}` */ errorHandler?: ErrorHandler /** * A function that will listen for exit event on each worker. + * + * @defaultValue `() => {}` */ exitHandler?: ExitHandler + /** + * Whether to start the minimum number of workers at pool initialization. + * + * @defaultValue true + */ + startWorkers?: boolean /** * The worker choice strategy to use in this pool. * @@ -207,7 +232,7 @@ export interface IPool< * Events that can currently be listened to: * * - `'ready'`: Emitted when the number of workers created in the pool has reached the minimum size expected and are ready. - * - `'busy'`: Emitted when the number of workers created in the pool has reached the maximum size expected and are executing at least one task. + * - `'busy'`: Emitted when the number of workers created in the pool has reached the maximum size expected and are executing concurrently their tasks quota. * - `'full'`: Emitted when the pool is dynamic and the number of workers created has reached the maximum size expected. * - `'destroy'`: Emitted when the pool is destroyed. * - `'error'`: Emitted when an uncaught error occurs. @@ -228,16 +253,53 @@ export interface IPool< name?: string, transferList?: TransferListItem[] ) => Promise + /** + * Starts the minimum number of workers in this pool. + */ + readonly start: () => void /** * Terminates all workers in this pool. */ readonly destroy: () => Promise + /** + * Whether the specified task function exists in this pool. + * + * @param name - The name of the task function. + * @returns `true` if the task function exists, `false` otherwise. + */ + readonly hasTaskFunction: (name: string) => boolean + /** + * Adds a task function to this pool. + * If a task function with the same name already exists, it will be overwritten. + * + * @param name - The name of the task function. + * @param taskFunction - The task function. + * @returns `true` if the task function was added, `false` otherwise. + */ + readonly addTaskFunction: ( + name: string, + taskFunction: TaskFunction + ) => Promise + /** + * Removes a task function from this pool. + * + * @param name - The name of the task function. + * @returns `true` if the task function was removed, `false` otherwise. + */ + readonly removeTaskFunction: (name: string) => Promise /** * Lists the names of task function available in this pool. * * @returns The names of task function available in this pool. */ - readonly listTaskFunctions: () => string[] + readonly listTaskFunctionNames: () => string[] + /** + * Sets the default task function in this pool. + * + * @param name - The name of the task function. + * @returns `true` if the default task function was set, `false` otherwise. + */ + readonly setDefaultTaskFunction: (name: string) => Promise /** * Sets the worker choice strategy in this pool. *