average,
isKillBehavior,
isPlainObject,
+ max,
median,
+ min,
round,
updateMeasurementStatistics
} from '../utils'
import { KillBehaviors } from '../worker/worker-options'
+import type { TaskFunction } from '../worker/task-functions'
import {
type IPool,
PoolEmitter,
}
if (
tasksQueueOptions?.concurrency != null &&
- !Number.isSafeInteger(tasksQueueOptions.concurrency)
+ !Number.isSafeInteger(tasksQueueOptions?.concurrency)
) {
throw new TypeError(
'Invalid worker node tasks concurrency: must be an integer'
}
if (
tasksQueueOptions?.concurrency != null &&
- tasksQueueOptions.concurrency <= 0
+ tasksQueueOptions?.concurrency <= 0
) {
throw new RangeError(
- `Invalid worker node tasks concurrency: ${tasksQueueOptions.concurrency} is a negative integer or zero`
+ `Invalid worker node tasks concurrency: ${tasksQueueOptions?.concurrency} is a negative integer or zero`
)
}
if (tasksQueueOptions?.queueMaxSize != null) {
}
if (
tasksQueueOptions?.size != null &&
- !Number.isSafeInteger(tasksQueueOptions.size)
+ !Number.isSafeInteger(tasksQueueOptions?.size)
) {
throw new TypeError(
'Invalid worker node tasks queue size: must be an integer'
)
}
- if (tasksQueueOptions?.size != null && tasksQueueOptions.size <= 0) {
+ if (tasksQueueOptions?.size != null && tasksQueueOptions?.size <= 0) {
throw new RangeError(
- `Invalid worker node tasks queue size: ${tasksQueueOptions.size} is a negative integer or zero`
+ `Invalid worker node tasks queue size: ${tasksQueueOptions?.size} is a negative integer or zero`
)
}
}
.runTime.aggregate && {
runTime: {
minimum: round(
- Math.min(
+ min(
...this.workerNodes.map(
- (workerNode) => workerNode.usage.runTime?.minimum ?? Infinity
+ workerNode => workerNode.usage.runTime?.minimum ?? Infinity
)
)
),
maximum: round(
- Math.max(
+ max(
...this.workerNodes.map(
- (workerNode) => workerNode.usage.runTime?.maximum ?? -Infinity
+ workerNode => workerNode.usage.runTime?.maximum ?? -Infinity
)
)
),
.waitTime.aggregate && {
waitTime: {
minimum: round(
- Math.min(
+ min(
...this.workerNodes.map(
- (workerNode) => workerNode.usage.waitTime?.minimum ?? Infinity
+ workerNode => workerNode.usage.waitTime?.minimum ?? Infinity
)
)
),
maximum: round(
- Math.max(
+ max(
...this.workerNodes.map(
- (workerNode) => workerNode.usage.waitTime?.maximum ?? -Infinity
+ workerNode => workerNode.usage.waitTime?.maximum ?? -Infinity
)
)
),
*/
private getWorkerNodeKeyByWorker (worker: Worker): number {
return this.workerNodes.findIndex(
- (workerNode) => workerNode.worker === worker
+ workerNode => workerNode.worker === worker
)
}
*/
private getWorkerNodeKeyByWorkerId (workerId: number): number {
return this.workerNodes.findIndex(
- (workerNode) => workerNode.info.id === workerId
+ workerNode => workerNode.info.id === workerId
)
}
if (this.opts.enableTasksQueue === true) {
return (
this.workerNodes.findIndex(
- (workerNode) =>
+ workerNode =>
workerNode.info.ready &&
workerNode.usage.tasks.executing <
(this.opts.tasksQueueOptions?.concurrency as number)
} else {
return (
this.workerNodes.findIndex(
- (workerNode) =>
+ workerNode =>
workerNode.info.ready && workerNode.usage.tasks.executing === 0
) === -1
)
}
}
+ private sendToWorkers (message: Omit<MessageValue<Data>, 'workerId'>): number {
+ let messagesCount = 0
+ for (const [workerNodeKey] of this.workerNodes.entries()) {
+ this.sendToWorker(workerNodeKey, {
+ ...message,
+ workerId: this.getWorkerInfo(workerNodeKey).id as number
+ })
+ ++messagesCount
+ }
+ return messagesCount
+ }
+
+ /** @inheritDoc */
+ public hasTaskFunction (name: string): boolean {
+ for (const workerNode of this.workerNodes) {
+ if (
+ Array.isArray(workerNode.info.taskFunctionNames) &&
+ workerNode.info.taskFunctionNames.includes(name)
+ ) {
+ return true
+ }
+ }
+ return false
+ }
+
/** @inheritDoc */
- public listTaskFunctions (): string[] {
+ public addTaskFunction (name: string, taskFunction: TaskFunction): boolean {
+ this.sendToWorkers({
+ taskFunctionOperation: 'add',
+ taskFunctionName: name,
+ taskFunction: taskFunction.toString()
+ })
+ return true
+ }
+
+ /** @inheritDoc */
+ public removeTaskFunction (name: string): boolean {
+ this.sendToWorkers({
+ taskFunctionOperation: 'remove',
+ taskFunctionName: name
+ })
+ return true
+ }
+
+ /** @inheritDoc */
+ public listTaskFunctionNames (): string[] {
for (const workerNode of this.workerNodes) {
if (
- Array.isArray(workerNode.info.taskFunctions) &&
- workerNode.info.taskFunctions.length > 0
+ Array.isArray(workerNode.info.taskFunctionNames) &&
+ workerNode.info.taskFunctionNames.length > 0
) {
- return workerNode.info.taskFunctions
+ return workerNode.info.taskFunctionNames
}
}
return []
}
+ /** @inheritDoc */
+ public setDefaultTaskFunction (name: string): boolean {
+ this.sendToWorkers({
+ taskFunctionOperation: 'default',
+ taskFunctionName: name
+ })
+ return true
+ }
+
private shallExecuteTask (workerNodeKey: number): boolean {
return (
this.tasksQueueSize(workerNodeKey) === 0 &&
}
const timestamp = performance.now()
const workerNodeKey = this.chooseWorkerNode()
- const workerInfo = this.getWorkerInfo(workerNodeKey) as WorkerInfo
const task: Task<Data> = {
name: name ?? DEFAULT_TASK_NAME,
// eslint-disable-next-line @typescript-eslint/consistent-type-assertions
data: data ?? ({} as Data),
transferList,
timestamp,
- workerId: workerInfo.id as number,
+ workerId: this.getWorkerInfo(workerNodeKey).id as number,
taskId: randomUUID()
}
this.promiseResponseMap.set(task.taskId as string, {
workerId: number
): Promise<void> {
await new Promise<void>((resolve, reject) => {
- this.registerWorkerMessageListener(workerNodeKey, (message) => {
+ this.registerWorkerMessageListener(workerNodeKey, message => {
if (message.kill === 'success') {
resolve()
} else if (message.kill === 'failure') {
const workerInfo = this.getWorkerInfo(workerNodeKey)
return (
workerInfo != null &&
- Array.isArray(workerInfo.taskFunctions) &&
- workerInfo.taskFunctions.length > 2
+ Array.isArray(workerInfo.taskFunctionNames) &&
+ workerInfo.taskFunctionNames.length > 2
)
}
) {
--workerTaskStatistics.executing
}
- if (message.taskError == null) {
+ if (message.workerError == null) {
++workerTaskStatistics.executed
} else {
++workerTaskStatistics.failed
workerUsage: WorkerUsage,
message: MessageValue<Response>
): void {
- if (message.taskError != null) {
+ if (message.workerError != null) {
return
}
updateMeasurementStatistics(
workerUsage: WorkerUsage,
message: MessageValue<Response>
): void {
- if (message.taskError != null) {
+ if (message.workerError != null) {
return
}
const eluTaskStatisticsRequirements: MeasurementStatisticsRequirements =
worker.on('online', this.opts.onlineHandler ?? EMPTY_FUNCTION)
worker.on('message', this.opts.messageHandler ?? EMPTY_FUNCTION)
worker.on('error', this.opts.errorHandler ?? EMPTY_FUNCTION)
- worker.on('error', (error) => {
+ worker.on('error', error => {
const workerNodeKey = this.getWorkerNodeKeyByWorker(worker)
- const workerInfo = this.getWorkerInfo(workerNodeKey) as WorkerInfo
+ const workerInfo = this.getWorkerInfo(workerNodeKey)
workerInfo.ready = false
this.workerNodes[workerNodeKey].closeChannel()
this.emitter?.emit(PoolEvents.error, error)
if (
this.opts.restartWorkerOnError === true &&
- !this.starting &&
- this.started
+ this.started &&
+ !this.starting
) {
if (workerInfo.dynamic) {
this.createAndSetupDynamicWorkerNode()
*/
protected createAndSetupDynamicWorkerNode (): number {
const workerNodeKey = this.createAndSetupWorkerNode()
- this.registerWorkerMessageListener(workerNodeKey, (message) => {
+ this.registerWorkerMessageListener(workerNodeKey, message => {
const localWorkerNodeKey = this.getWorkerNodeKeyByWorkerId(
message.workerId
)
workerUsage.tasks.executing === 0 &&
this.tasksQueueSize(localWorkerNodeKey) === 0)))
) {
- this.destroyWorkerNode(localWorkerNodeKey).catch((error) => {
+ this.destroyWorkerNode(localWorkerNodeKey).catch(error => {
this.emitter?.emit(PoolEvents.error, error)
})
}
})
- const workerInfo = this.getWorkerInfo(workerNodeKey) as WorkerInfo
+ const workerInfo = this.getWorkerInfo(workerNodeKey)
this.sendToWorker(workerNodeKey, {
checkActive: true,
workerId: workerInfo.id as number
elu: this.workerChoiceStrategyContext.getTaskStatisticsRequirements()
.elu.aggregate
},
- workerId: (this.getWorkerInfo(workerNodeKey) as WorkerInfo).id as number
+ workerId: this.getWorkerInfo(workerNodeKey).id as number
})
}
private redistributeQueuedTasks (workerNodeKey: number): void {
while (this.tasksQueueSize(workerNodeKey) > 0) {
- let destinationWorkerNodeKey!: number
- let minQueuedTasks = Infinity
- for (const [workerNodeId, workerNode] of this.workerNodes.entries()) {
- if (workerNode.info.ready && workerNodeId !== workerNodeKey) {
- if (workerNode.usage.tasks.queued === 0) {
- destinationWorkerNodeKey = workerNodeId
- break
- }
- if (workerNode.usage.tasks.queued < minQueuedTasks) {
- minQueuedTasks = workerNode.usage.tasks.queued
- destinationWorkerNodeKey = workerNodeId
- }
- }
+ const destinationWorkerNodeKey = this.workerNodes.reduce(
+ (minWorkerNodeKey, workerNode, workerNodeKey, workerNodes) => {
+ return workerNode.info.ready &&
+ workerNode.usage.tasks.queued <
+ workerNodes[minWorkerNodeKey].usage.tasks.queued
+ ? workerNodeKey
+ : minWorkerNodeKey
+ },
+ 0
+ )
+ const destinationWorkerNode = this.workerNodes[destinationWorkerNodeKey]
+ const task = {
+ ...(this.dequeueTask(workerNodeKey) as Task<Data>),
+ workerId: destinationWorkerNode.info.id as number
}
- if (destinationWorkerNodeKey != null) {
- const destinationWorkerNode = this.workerNodes[destinationWorkerNodeKey]
- const task = {
- ...(this.dequeueTask(workerNodeKey) as Task<Data>),
- workerId: destinationWorkerNode.info.id as number
- }
- if (this.shallExecuteTask(destinationWorkerNodeKey)) {
- this.executeTask(destinationWorkerNodeKey, task)
- } else {
- this.enqueueTask(destinationWorkerNodeKey, task)
- }
+ if (this.shallExecuteTask(destinationWorkerNodeKey)) {
+ this.executeTask(destinationWorkerNodeKey, task)
+ } else {
+ this.enqueueTask(destinationWorkerNodeKey, task)
}
}
}
(workerNodeA, workerNodeB) =>
workerNodeB.usage.tasks.queued - workerNodeA.usage.tasks.queued
)
- for (const sourceWorkerNode of workerNodes) {
- if (sourceWorkerNode.usage.tasks.queued === 0) {
- break
+ const sourceWorkerNode = workerNodes.find(
+ workerNode =>
+ workerNode.info.ready &&
+ workerNode.info.id !== workerId &&
+ workerNode.usage.tasks.queued > 0
+ )
+ if (sourceWorkerNode != null) {
+ const task = {
+ ...(sourceWorkerNode.popTask() as Task<Data>),
+ workerId: destinationWorkerNode.info.id as number
}
- if (
- sourceWorkerNode.info.ready &&
- sourceWorkerNode.info.id !== workerId &&
- sourceWorkerNode.usage.tasks.queued > 0
- ) {
- const task = {
- ...(sourceWorkerNode.popTask() as Task<Data>),
- workerId: destinationWorkerNode.info.id as number
- }
- if (this.shallExecuteTask(destinationWorkerNodeKey)) {
- this.executeTask(destinationWorkerNodeKey, task)
- } else {
- this.enqueueTask(destinationWorkerNodeKey, task)
- }
- this.updateTaskStolenStatisticsWorkerUsage(
- destinationWorkerNodeKey,
- task.name as string
- )
- break
+ if (this.shallExecuteTask(destinationWorkerNodeKey)) {
+ this.executeTask(destinationWorkerNodeKey, task)
+ } else {
+ this.enqueueTask(destinationWorkerNodeKey, task)
}
+ this.updateTaskStolenStatisticsWorkerUsage(
+ destinationWorkerNodeKey,
+ task.name as string
+ )
}
}
* @returns The listener function to execute when a message is received from a worker.
*/
protected workerListener (): (message: MessageValue<Response>) => void {
- return (message) => {
+ return message => {
this.checkMessageWorkerId(message)
- if (message.ready != null && message.taskFunctions != null) {
+ if (message.ready != null && message.taskFunctionNames != null) {
// Worker ready response received from worker
this.handleWorkerReadyResponse(message)
} else if (message.taskId != null) {
// Task execution response received from worker
this.handleTaskExecutionResponse(message)
- } else if (message.taskFunctions != null) {
- // Task functions message received from worker
- (
- this.getWorkerInfo(
- this.getWorkerNodeKeyByWorkerId(message.workerId)
- ) as WorkerInfo
- ).taskFunctions = message.taskFunctions
+ } else if (message.taskFunctionNames != null) {
+ // Task function names message received from worker
+ this.getWorkerInfo(
+ this.getWorkerNodeKeyByWorkerId(message.workerId)
+ ).taskFunctionNames = message.taskFunctionNames
+ } else if (message.taskFunctionOperation != null) {
+ // Task function operation response received from worker
}
}
}
}
const workerInfo = this.getWorkerInfo(
this.getWorkerNodeKeyByWorkerId(message.workerId)
- ) as WorkerInfo
+ )
workerInfo.ready = message.ready as boolean
- workerInfo.taskFunctions = message.taskFunctions
+ workerInfo.taskFunctionNames = message.taskFunctionNames
if (this.emitter != null && this.ready) {
this.emitter.emit(PoolEvents.ready, this.info)
}
}
private handleTaskExecutionResponse (message: MessageValue<Response>): void {
- const { taskId, taskError, data } = message
+ const { taskId, workerError, data } = message
const promiseResponse = this.promiseResponseMap.get(taskId as string)
if (promiseResponse != null) {
- if (taskError != null) {
- this.emitter?.emit(PoolEvents.taskError, taskError)
- promiseResponse.reject(taskError.message)
+ if (workerError != null) {
+ this.emitter?.emit(PoolEvents.taskError, workerError)
+ promiseResponse.reject(workerError.message)
} else {
promiseResponse.resolve(data as Response)
}
* @param workerNodeKey - The worker node key.
* @returns The worker information.
*/
- protected getWorkerInfo (workerNodeKey: number): WorkerInfo | undefined {
- return this.workerNodes[workerNodeKey]?.info
+ protected getWorkerInfo (workerNodeKey: number): WorkerInfo {
+ return this.workerNodes[workerNodeKey].info
}
/**
return (
this.opts.enableTasksQueue === true &&
this.workerNodes.findIndex(
- (workerNode) => !workerNode.hasBackPressure()
+ workerNode => !workerNode.hasBackPressure()
) === -1
)
}
repositories / poolifier.git / blobdiff