refactor: untangle utils purpose
[poolifier.git] / src / pools / selection-strategies / abstract-worker-choice-strategy.ts
index b15ade84023167c4a507b1bacb32a98857fe731d..ff1d4b0847e3bd53be4c06bd3d252523f3ff545e 100644 (file)
@@ -1,17 +1,16 @@
-import { cpus } from 'node:os'
+import type { IPool } from '../pool.js'
 import {
   DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
-  getDefaultInternalWorkerChoiceStrategyOptions
-} from '../../utils'
-import type { IPool } from '../pool'
-import type { IWorker } from '../worker'
+  buildWorkerChoiceStrategyOptions
+} from '../utils.js'
+import type { IWorker } from '../worker.js'
 import type {
   IWorkerChoiceStrategy,
-  InternalWorkerChoiceStrategyOptions,
   MeasurementStatisticsRequirements,
   StrategyPolicy,
-  TaskStatisticsRequirements
-} from './selection-strategies-types'
+  TaskStatisticsRequirements,
+  WorkerChoiceStrategyOptions
+} from './selection-strategies-types.js'
 
 /**
  * Worker choice strategy abstract base class.
@@ -33,7 +32,7 @@ export abstract class AbstractWorkerChoiceStrategy<
   /**
    * The previous worker node key.
    */
-  protected previousWorkerNodeKey: number = 0
+  protected previousWorkerNodeKey = 0
 
   /** @inheritDoc */
   public readonly strategyPolicy: StrategyPolicy = {
@@ -56,26 +55,29 @@ export abstract class AbstractWorkerChoiceStrategy<
    */
   public constructor (
     protected readonly pool: IPool<Worker, Data, Response>,
-    protected opts: InternalWorkerChoiceStrategyOptions
+    protected opts?: WorkerChoiceStrategyOptions
   ) {
-    this.setOptions(this.opts)
     this.choose = this.choose.bind(this)
+    this.setOptions(this.opts)
   }
 
   protected setTaskStatisticsRequirements (
-    opts: InternalWorkerChoiceStrategyOptions
+    opts: WorkerChoiceStrategyOptions | undefined
   ): void {
     this.toggleMedianMeasurementStatisticsRequirements(
       this.taskStatisticsRequirements.runTime,
-      opts.runTime?.median as boolean
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      opts!.runTime!.median
     )
     this.toggleMedianMeasurementStatisticsRequirements(
       this.taskStatisticsRequirements.waitTime,
-      opts.waitTime?.median as boolean
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      opts!.waitTime!.median
     )
     this.toggleMedianMeasurementStatisticsRequirements(
       this.taskStatisticsRequirements.elu,
-      opts.elu?.median as boolean
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      opts!.elu!.median
     )
   }
 
@@ -111,21 +113,14 @@ export abstract class AbstractWorkerChoiceStrategy<
   public abstract remove (workerNodeKey: number): boolean
 
   /** @inheritDoc */
-  public setOptions (opts: InternalWorkerChoiceStrategyOptions): void {
-    this.opts = {
-      ...getDefaultInternalWorkerChoiceStrategyOptions(
-        this.pool.info.maxSize + Object.keys(opts?.weights ?? {}).length
-      ),
-      ...opts
-    }
+  public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void {
+    this.opts = buildWorkerChoiceStrategyOptions<Worker, Data, Response>(
+      this.pool,
+      opts
+    )
     this.setTaskStatisticsRequirements(this.opts)
   }
 
-  /** @inheritDoc */
-  public hasPoolWorkerNodesReady (): boolean {
-    return this.pool.workerNodes.some(workerNode => workerNode.info.ready)
-  }
-
   /**
    * Whether the worker node is ready or not.
    *
@@ -137,10 +132,14 @@ export abstract class AbstractWorkerChoiceStrategy<
   }
 
   /**
-   * Check the next worker node readiness.
+   * Check the next worker node key.
    */
-  protected checkNextWorkerNodeReadiness (): void {
-    if (!this.isWorkerNodeReady(this.nextWorkerNodeKey as number)) {
+  protected checkNextWorkerNodeKey (): void {
+    if (
+      this.nextWorkerNodeKey != null &&
+      (this.nextWorkerNodeKey < 0 ||
+        !this.isWorkerNodeReady(this.nextWorkerNodeKey))
+    ) {
       delete this.nextWorkerNodeKey
     }
   }
@@ -193,17 +192,9 @@ export abstract class AbstractWorkerChoiceStrategy<
    * @param workerNodeKey - The worker node key.
    */
   protected setPreviousWorkerNodeKey (workerNodeKey: number | undefined): void {
-    this.previousWorkerNodeKey = workerNodeKey ?? this.previousWorkerNodeKey
-  }
-
-  protected computeDefaultWorkerWeight (): number {
-    let cpusCycleTimeWeight = 0
-    for (const cpu of cpus()) {
-      // CPU estimated cycle time
-      const numberOfDigits = cpu.speed.toString().length - 1
-      const cpuCycleTime = 1 / (cpu.speed / Math.pow(10, numberOfDigits))
-      cpusCycleTimeWeight += cpuCycleTime * Math.pow(10, numberOfDigits)
-    }
-    return Math.round(cpusCycleTimeWeight / cpus().length)
+    this.previousWorkerNodeKey =
+      workerNodeKey != null && workerNodeKey >= 0
+        ? workerNodeKey
+        : this.previousWorkerNodeKey
   }
 }