*/
protected statistics!: WorkerStatistics
/**
- * Handler id of the `aliveInterval` worker alive check.
+ * Handler id of the `activeInterval` worker activity check.
*/
- protected aliveInterval?: NodeJS.Timeout
+ protected activeInterval?: NodeJS.Timeout
/**
* Constructs a new poolifier worker.
*
*/
killBehavior: DEFAULT_KILL_BEHAVIOR,
/**
- * The maximum time to keep this worker alive while idle.
+ * The maximum time to keep this worker active while idle.
* The pool automatically checks and terminates this worker when the time expires.
*/
maxInactiveTime: DEFAULT_MAX_INACTIVE_TIME
}
this.taskFunctions = new Map<string, WorkerFunction<Data, Response>>()
if (typeof taskFunctions === 'function') {
- this.taskFunctions.set(DEFAULT_TASK_NAME, taskFunctions.bind(this))
+ const boundFn = taskFunctions.bind(this)
+ this.taskFunctions.set(DEFAULT_TASK_NAME, boundFn)
+ this.taskFunctions.set(
+ typeof taskFunctions.name === 'string' &&
+ taskFunctions.name.trim().length > 0
+ ? taskFunctions.name
+ : 'fn1',
+ boundFn
+ )
} else if (isPlainObject(taskFunctions)) {
let firstEntry = true
for (const [name, fn] of Object.entries(taskFunctions)) {
'A taskFunctions parameter object value is not a function'
)
}
- this.taskFunctions.set(name, fn.bind(this))
+ const boundFn = fn.bind(this)
if (firstEntry) {
- this.taskFunctions.set(DEFAULT_TASK_NAME, fn.bind(this))
+ this.taskFunctions.set(DEFAULT_TASK_NAME, boundFn)
firstEntry = false
}
+ this.taskFunctions.set(name, boundFn)
}
if (firstEntry) {
throw new Error('taskFunctions parameter object is empty')
throw new TypeError('fn parameter is not a function')
}
try {
+ const boundFn = fn.bind(this)
if (
this.taskFunctions.get(name) ===
this.taskFunctions.get(DEFAULT_TASK_NAME)
) {
- this.taskFunctions.set(DEFAULT_TASK_NAME, fn.bind(this))
+ this.taskFunctions.set(DEFAULT_TASK_NAME, boundFn)
}
- this.taskFunctions.set(name, fn.bind(this))
+ this.taskFunctions.set(name, boundFn)
return true
} catch {
return false
}
/**
- * Sets the default task function to use when no task function name is specified.
+ * Lists the names of the worker's task functions.
+ *
+ * @returns The names of the worker's task functions.
+ */
+ public listTaskFunctions (): string[] {
+ return Array.from(this.taskFunctions.keys())
+ }
+
+ /**
+ * Sets the default task function to use in the worker.
*
* @param name - The name of the task function to use as default task function.
* @returns Whether the default task function was set or not.
try {
this.taskFunctions.set(
DEFAULT_TASK_NAME,
- this.taskFunctions.get(name)?.bind(this) as WorkerFunction<
- Data,
- Response
- >
+ this.taskFunctions.get(name) as WorkerFunction<Data, Response>
)
return true
} catch {
if (message.workerId === this.id) {
if (message.ready != null) {
// Startup message received
- this.workerReady()
+ this.sendReadyResponse()
} else if (message.statistics != null) {
// Statistics message received
this.statistics = message.statistics
- } else if (message.checkAlive != null) {
- // Check alive message received
- message.checkAlive ? this.startCheckAlive() : this.stopCheckAlive()
+ } else if (message.checkActive != null) {
+ // Check active message received
+ message.checkActive ? this.startCheckActive() : this.stopCheckActive()
} else if (message.id != null && message.data != null) {
// Task message received
this.run(message)
} else if (message.kill === true) {
// Kill message received
- this.stopCheckAlive()
+ this.stopCheckActive()
this.emitDestroy()
}
}
}
/**
- * Notifies the main worker that this worker is ready to process tasks.
+ * Sends the ready response to the main worker.
*/
- protected workerReady (): void {
+ protected sendReadyResponse (): void {
!this.isMain && this.sendToMainWorker({ ready: true, workerId: this.id })
}
/**
- * Starts the worker aliveness check interval.
+ * Starts the worker check active interval.
*/
- private startCheckAlive (): void {
+ private startCheckActive (): void {
this.lastTaskTimestamp = performance.now()
- this.aliveInterval = setInterval(
- this.checkAlive.bind(this),
+ this.activeInterval = setInterval(
+ this.checkActive.bind(this),
(this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME) / 2
- )
+ ).unref()
}
/**
- * Stops the worker aliveness check interval.
+ * Stops the worker check active interval.
*/
- private stopCheckAlive (): void {
- this.aliveInterval != null && clearInterval(this.aliveInterval)
+ private stopCheckActive (): void {
+ this.activeInterval != null && clearInterval(this.activeInterval)
}
/**
* Checks if the worker should be terminated, because its living too long.
*/
- private checkAlive (): void {
+ private checkActive (): void {
if (
performance.now() - this.lastTaskTimestamp >
(this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME)
id: task.id
})
} finally {
- if (!this.isMain && this.aliveInterval != null) {
+ if (!this.isMain && this.activeInterval != null) {
this.lastTaskTimestamp = performance.now()
}
}
})
})
.finally(() => {
- if (!this.isMain && this.aliveInterval != null) {
+ if (!this.isMain && this.activeInterval != null) {
this.lastTaskTimestamp = performance.now()
}
})
repositories / poolifier.git / blobdiff