-import type { Worker as ClusterWorker } from 'node:cluster'
+import type { EventLoopUtilization } from 'node:perf_hooks'
import type { MessagePort } from 'node:worker_threads'
import type { KillBehavior } from './worker/worker-options'
-import type { IWorker, Task } from './pools/worker'
/**
- * Make all properties in T non-readonly.
+ * Task error.
*
- * @typeParam T - Type in which properties will be non-readonly.
+ * @typeParam Data - Type of data sent to the worker triggering an error. This can only be structured-cloneable data.
*/
-export type Draft<T> = { -readonly [P in keyof T]?: T[P] }
+export interface TaskError<Data = unknown> {
+ /**
+ * Task name triggering the error.
+ */
+ readonly name: string
+ /**
+ * Error message.
+ */
+ readonly message: string
+ /**
+ * Data triggering the error.
+ */
+ readonly data?: Data
+}
+
+/**
+ * Task performance.
+ *
+ * @internal
+ */
+export interface TaskPerformance {
+ /**
+ * Task name.
+ */
+ readonly name: string
+ /**
+ * Task performance timestamp.
+ */
+ readonly timestamp: number
+ /**
+ * Task runtime.
+ */
+ readonly runTime?: number
+ /**
+ * Task event loop utilization.
+ */
+ readonly elu?: EventLoopUtilization
+}
+
+/**
+ * Performance statistics computation.
+ *
+ * @internal
+ */
+export interface WorkerStatistics {
+ runTime: boolean
+ elu: boolean
+}
+
+/**
+ * Message object that is passed as a task between main worker and worker.
+ *
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
+ * @internal
+ */
+export interface Task<Data = unknown> {
+ /**
+ * Worker id.
+ */
+ readonly workerId: number
+ /**
+ * Task name.
+ */
+ readonly name?: string
+ /**
+ * Task input data that will be passed to the worker.
+ */
+ readonly data?: Data
+ /**
+ * Timestamp.
+ */
+ readonly timestamp?: number
+ /**
+ * Task UUID.
+ */
+ readonly taskId?: string
+}
/**
* Message object that is passed between main worker and worker.
*
- * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
- * @typeParam MainWorker - Type of main worker.
+ * @typeParam Data - Type of data sent to the worker or execution response. This can only be structured-cloneable data.
+ * @typeParam ErrorData - Type of data sent to the worker triggering an error. This can only be structured-cloneable data.
* @internal
*/
-export interface MessageValue<
- Data = unknown,
- MainWorker extends ClusterWorker | MessagePort | unknown = unknown
-> extends Task<Data> {
+export interface MessageValue<Data = unknown, ErrorData = unknown>
+ extends Task<Data> {
/**
* Kill code.
*/
- readonly kill?: KillBehavior | 1
+ readonly kill?: KillBehavior | true
/**
- * Error.
+ * Task error.
*/
- readonly error?: string
+ readonly taskError?: TaskError<ErrorData>
/**
- * Runtime.
+ * Task performance.
*/
- readonly runTime?: number
+ readonly taskPerformance?: TaskPerformance
+ /**
+ * Whether the worker computes the given statistics or not.
+ */
+ readonly statistics?: WorkerStatistics
+ /**
+ * Whether the worker is ready or not.
+ */
+ readonly ready?: boolean
+ /**
+ * Whether the worker starts or stops its activity check.
+ */
+ readonly checkActive?: boolean
/**
- * Reference to main worker.
+ * Message port.
*/
- readonly parent?: MainWorker
+ readonly port?: MessagePort
}
/**
- * An object holding the execution response promise resolve/reject callbacks.
+ * An object holding the task execution response promise resolve/reject callbacks.
*
- * @typeParam Worker - Type of worker.
- * @typeParam Response - Type of execution response. This can only be serializable data.
+ * @typeParam Response - Type of execution response. This can only be structured-cloneable data.
* @internal
*/
-export interface PromiseResponseWrapper<
- Worker extends IWorker,
- Response = unknown
-> {
+export interface PromiseResponseWrapper<Response = unknown> {
/**
* Resolve callback to fulfill the promise.
*/
- readonly resolve: (value: Response) => void
+ readonly resolve: (value: Response | PromiseLike<Response>) => void
/**
* Reject callback to reject the promise.
*/
- readonly reject: (reason?: string) => void
+ readonly reject: (reason?: unknown) => void
/**
- * The worker handling the execution.
+ * The worker node key executing the task.
*/
- readonly worker: Worker
+ readonly workerNodeKey: number
}