X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fweighted-round-robin-worker-choice-strategy.ts;h=ffd4fc39ca2a99fbb9f74044892e0949653d5c42;hb=884743b122a66be45c94d83d9230e28a9ab43836;hp=22bf458febd3734a7f147c27172b486acdde5169;hpb=1ed7fb6c99f2fcb5f319d9c1fa2aefc5434f82e4;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 22bf458f..ffd4fc39 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
@@ -1,20 +1,16 @@
-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'
+  WorkerChoiceStrategyOptions,
+} from './selection-strategies-types.js'
 
 /**
  * Selects the next worker with a weighted round robin scheduling algorithm.
  * Loosely modeled after the weighted round robin queueing algorithm: https://en.wikipedia.org/wiki/Weighted_round_robin.
- *
  * @typeParam Worker - Type of worker which manages the strategy.
  * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
  * @typeParam Response - Type of execution response. This can only be structured-cloneable data.
@@ -31,35 +27,34 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
     runTime: {
       aggregate: true,
       average: true,
-      median: false
+      median: false,
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
-    elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false,
+    },
+    elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
   }
 
   /**
-   * Default worker weight.
-   */
-  private readonly defaultWorkerWeight: number
-  /**
-   * Worker node virtual task runtime.
+   * Worker node virtual execution time.
    */
-  private workerNodeVirtualTaskRunTime: 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.resetWorkerNodeKeyProperties()
-    this.workerNodeVirtualTaskRunTime = 0
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -71,16 +66,19 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public choose (): number | undefined {
     this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
-    return this.weightedRoundRobinNextWorkerNodeKey()
+    this.weightedRoundRobinNextWorkerNodeKey()
+    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) {
-      this.workerNodeVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
       if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
         this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
       }
@@ -95,25 +93,24 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   }
 
   private weightedRoundRobinNextWorkerNodeKey (): number | undefined {
-    do {
-      const workerWeight =
-        this.opts.weights?.[
+    const workerWeight =
+      // 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.defaultWorkerWeight
-      if (this.workerNodeVirtualTaskRunTime < workerWeight) {
-        this.workerNodeVirtualTaskRunTime =
-          this.workerNodeVirtualTaskRunTime +
-          this.getWorkerNodeTaskRunTime(
-            this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
-          )
-      } else {
-        this.nextWorkerNodeKey =
-          this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
-            ? 0
-            : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
-        this.workerNodeVirtualTaskRunTime = 0
-      }
-    } while (!this.isWorkerNodeReady(this.nextWorkerNodeKey as number))
+        ) +
+        this.getWorkerNodeTaskRunTime(
+          this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
+        )
+    } else {
+      this.nextWorkerNodeKey =
+        this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
+          ? 0
+          : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
+      this.workerNodeVirtualTaskExecutionTime = 0
+    }
     return this.nextWorkerNodeKey
   }
 }