X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils.ts;h=6f9d1226bb71210b020d987b32d169bbd593b5b8;hb=251d6ac2d29d7361d671a8df17af51b414ea3b83;hp=45e4fd2393d0533a5256754eec9075666a7f7ea1;hpb=008512c74c553d4400f3fabb46053e5e8a4a0cd1;p=poolifier.git

diff --git a/src/utils.ts b/src/utils.ts
index 45e4fd23..6f9d1226 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -23,6 +23,7 @@ export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
  */
 export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions =
   {
+    choiceRetries: 6,
     runTime: { median: false },
     waitTime: { median: false },
     elu: { median: false }
@@ -57,6 +58,22 @@ export const availableParallelism = (): number => {
   return availableParallelism
 }
 
+// /**
+//  * 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
+//  * @returns Delay in milliseconds
+//  */
+// export const exponentialDelay = (
+//   retryNumber = 0,
+//   maxDelayRatio = 0.2
+// ): number => {
+//   const delay = Math.pow(2, retryNumber) * 100
+//   const randomSum = delay * maxDelayRatio * Math.random() // 0-(maxDelayRatio*100)% of the delay
+//   return delay + randomSum
+// }
+
 /**
  * Computes the median of the given data set.
  *
@@ -165,3 +182,27 @@ export const updateMeasurementStatistics = (
     }
   }
 }
+
+/**
+ * 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
+    }
+  }
+}