X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils.ts;h=82c38c09e7161fd06e2c6f1628fdaad1e8f4c63f;hb=bdb9d7125f62a36dd65cba6aa9110ce269359f0a;hp=b5fb9afeda348ddd15e9c441a3c23d67c07ffeb0;hpb=68cbdc846878bc058323b757a68b4c83eedc6388;p=poolifier.git

diff --git a/src/utils.ts b/src/utils.ts
index b5fb9afe..82c38c09 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,10 +1,18 @@
 import * as os from 'node:os'
+import { webcrypto } from 'node:crypto'
+import { Worker as ClusterWorker } from 'node:cluster'
+import { Worker as ThreadWorker } from 'node:worker_threads'
 import type {
   MeasurementStatisticsRequirements,
   WorkerChoiceStrategyOptions
 } from './pools/selection-strategies/selection-strategies-types'
 import type { KillBehavior } from './worker/worker-options'
-import type { MeasurementStatistics } from './pools/worker'
+import {
+  type IWorker,
+  type MeasurementStatistics,
+  type WorkerType,
+  WorkerTypes
+} from './pools/worker'
 
 /**
  * Default task name.
@@ -23,7 +31,7 @@ export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
  */
 export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions =
   {
-    choiceRetries: 6,
+    retries: 6,
     runTime: { median: false },
     waitTime: { median: false },
     elu: { median: false }
@@ -59,6 +67,40 @@ export const availableParallelism = (): number => {
   return availableParallelism
 }
 
+/**
+ * Returns the worker type of the given worker.
+ *
+ * @param worker - The worker to get the type of.
+ * @returns The worker type of the given worker.
+ * @internal
+ */
+export const getWorkerType = <Worker extends IWorker>(
+  worker: Worker
+): WorkerType | undefined => {
+  if (worker instanceof ThreadWorker) {
+    return WorkerTypes.thread
+  } else if (worker instanceof ClusterWorker) {
+    return WorkerTypes.cluster
+  }
+}
+
+/**
+ * Returns the worker id of the given worker.
+ *
+ * @param worker - The worker to get the id of.
+ * @returns The worker id of the given worker.
+ * @internal
+ */
+export const getWorkerId = <Worker extends IWorker>(
+  worker: Worker
+): number | undefined => {
+  if (worker instanceof ThreadWorker) {
+    return worker.threadId
+  } else if (worker instanceof ClusterWorker) {
+    return worker.id
+  }
+}
+
 /**
  * Sleeps for the given amount of milliseconds.
  *
@@ -75,16 +117,16 @@ export const sleep = async (ms: number): Promise<void> => {
  * Computes the retry delay in milliseconds using an exponential back off algorithm.
  *
  * @param retryNumber - The number of retries that have already been attempted
- * @param maxDelayRatio - The maximum ratio of the delay that can be randomized
+ * @param delayFactor - The base delay factor in milliseconds
  * @returns Delay in milliseconds
  * @internal
  */
 export const exponentialDelay = (
   retryNumber = 0,
-  maxDelayRatio = 0.2
+  delayFactor = 100
 ): number => {
-  const delay = Math.pow(2, retryNumber) * 100
-  const randomSum = delay * maxDelayRatio * secureRandom() // 0-(maxDelayRatio*100)% of the delay
+  const delay = Math.pow(2, retryNumber) * delayFactor
+  const randomSum = delay * 0.2 * secureRandom() // 0-20% of the delay
   return delay + randomSum
 }
 
@@ -215,43 +257,23 @@ export const updateMeasurementStatistics = (
       measurementStatistics.history.push(measurementValue)
       if (measurementRequirements.average) {
         measurementStatistics.average = average(measurementStatistics.history)
+      } else if (measurementStatistics.average != null) {
+        delete measurementStatistics.average
       }
       if (measurementRequirements.median) {
         measurementStatistics.median = median(measurementStatistics.history)
+      } else if (measurementStatistics.median != null) {
+        delete measurementStatistics.median
       }
     }
   }
 }
 
-/**
- * Executes a function once at a time.
- *
- * @param fn - The function to execute.
- * @param context - The context to bind the function to.
- * @returns The function to execute.
- */
-export const once = (
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  fn: (...args: any[]) => void,
-  context: unknown
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-): ((...args: any[]) => void) => {
-  let called = false
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  return function (...args: any[]): void {
-    if (!called) {
-      called = true
-      fn.apply(context, args)
-      called = false
-    }
-  }
-}
-
 /**
  * Generate a cryptographically secure random number in the [0,1[ range
  *
  * @returns A number in the [0,1[ range
  */
-const secureRandom = (): number => {
-  return crypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000
+export const secureRandom = (): number => {
+  return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000
 }