X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fweighted-round-robin-worker-choice-strategy.ts;h=6ce55c9a2554c0e951d67b503642f800205b9805;hb=63af54001cdb7be2f14d51be593a7f96c8c480b6;hp=2c03271e329ea0981c3b898e96245aea3ff63669;hpb=16f3605c35d8a2ef293a4382c6e846dc27915b4a;p=poolifier.git

diff --git a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
index 2c03271e..6ce55c9a 100644
--- a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
@@ -1,15 +1,12 @@
-import type { IWorker } from '../worker'
-import type { IPool } from '../pool'
-import {
-  DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
-  DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
-} from '../../utils'
-import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
+import type { IPool } from '../pool.js'
+import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js'
+import type { IWorker } from '../worker.js'
+import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
 import type {
   IWorkerChoiceStrategy,
   TaskStatisticsRequirements,
   WorkerChoiceStrategyOptions
-} from './selection-strategies-types'
+} from './selection-strategies-types.js'
 
 /**
  * Selects the next worker with a weighted round robin scheduling algorithm.
@@ -33,33 +30,32 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
       average: true,
       median: false
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false
+    },
     elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
   }
 
   /**
-   * Default worker weight.
-   */
-  private readonly defaultWorkerWeight: number
-  /**
-   * Worker virtual task runtime.
+   * Worker node virtual execution time.
    */
-  private workerVirtualTaskRunTime: number = 0
+  private workerNodeVirtualTaskExecutionTime = 0
 
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+    opts?: WorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
     this.setTaskStatisticsRequirements(this.opts)
-    this.defaultWorkerWeight = this.computeDefaultWorkerWeight()
   }
 
   /** @inheritDoc */
   public reset (): boolean {
-    this.nextWorkerNodeKey = 0
-    this.workerVirtualTaskRunTime = 0
+    this.resetWorkerNodeKeyProperties()
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -70,35 +66,43 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
 
   /** @inheritDoc */
   public choose (): number | undefined {
-    const chosenWorkerNodeKey = this.nextWorkerNodeKey
+    this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
     this.weightedRoundRobinNextWorkerNodeKey()
-    this.checkNextWorkerNodeEligibility(chosenWorkerNodeKey)
-    return chosenWorkerNodeKey
+    this.checkNextWorkerNodeKey()
+    return this.nextWorkerNodeKey
   }
 
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
+    if (this.pool.workerNodes.length === 0) {
+      this.reset()
+      return true
+    }
     if (this.nextWorkerNodeKey === workerNodeKey) {
-      if (this.pool.workerNodes.length === 0) {
-        this.nextWorkerNodeKey = 0
-      } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
+      this.workerNodeVirtualTaskExecutionTime = 0
+      if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
         this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
       }
-      this.workerVirtualTaskRunTime = 0
+    }
+    if (
+      this.previousWorkerNodeKey === workerNodeKey &&
+      this.previousWorkerNodeKey > this.pool.workerNodes.length - 1
+    ) {
+      this.previousWorkerNodeKey = this.pool.workerNodes.length - 1
     }
     return true
   }
 
   private weightedRoundRobinNextWorkerNodeKey (): number | undefined {
-    const workerVirtualTaskRunTime = this.workerVirtualTaskRunTime
     const workerWeight =
-      this.opts.weights?.[
-        this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
-      ] ?? this.defaultWorkerWeight
-    if (workerVirtualTaskRunTime < workerWeight) {
-      this.workerVirtualTaskRunTime =
-        workerVirtualTaskRunTime +
-        this.getWorkerTaskRunTime(
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      this.opts!.weights![this.nextWorkerNodeKey ?? this.previousWorkerNodeKey]
+    if (this.workerNodeVirtualTaskExecutionTime < workerWeight) {
+      this.workerNodeVirtualTaskExecutionTime +=
+        this.getWorkerNodeTaskWaitTime(
+          this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
+        ) +
+        this.getWorkerNodeTaskRunTime(
           this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
         )
     } else {
@@ -106,7 +110,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
         this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
           ? 0
           : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
-      this.workerVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
     }
     return this.nextWorkerNodeKey
   }