X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fcluster%2Ffixed.ts;h=4a8cb4f1eeeafeb59adf1e30c5d678328cb19b70;hb=ecde6ea8c439bbdd9dc2ca118731b5006a1a9884;hp=a58dfb6f5f66c3bec010f98bf06e37ae28613b4c;hpb=78cea37e264d5ca527bc42eb056f3b9579a2b2c4;p=poolifier.git

diff --git a/src/pools/cluster/fixed.ts b/src/pools/cluster/fixed.ts
index a58dfb6f..4a8cb4f1 100644
--- a/src/pools/cluster/fixed.ts
+++ b/src/pools/cluster/fixed.ts
@@ -1,38 +1,20 @@
-import type { ClusterSettings, Worker } from 'cluster'
-import cluster from 'cluster'
-import type { MessageValue } from '../../utility-types'
-import { AbstractPool } from '../abstract-pool'
-import type { PoolOptions } from '../pool'
-import { PoolType } from '../pool-internal'
+import cluster, { type Worker } from 'node:cluster'
+
+import type { MessageValue } from '../../utility-types.js'
+import { AbstractPool } from '../abstract-pool.js'
+import { type PoolOptions, type PoolType, PoolTypes } from '../pool.js'
+import { type WorkerType, WorkerTypes } from '../worker.js'
 
 /**
  * Options for a poolifier cluster pool.
  */
-export interface ClusterPoolOptions extends PoolOptions<Worker> {
-  /**
-   * Key/value pairs to add to worker process environment.
-   *
-   * @see https://nodejs.org/api/cluster.html#cluster_cluster_fork_env
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  env?: any
-  /**
-   * Cluster settings.
-   *
-   * @see https://nodejs.org/api/cluster.html#cluster_cluster_settings
-   */
-  settings?: ClusterSettings
-}
+export type ClusterPoolOptions = PoolOptions<Worker>
 
 /**
  * A cluster pool with a fixed number of workers.
  *
- * It is possible to perform tasks in sync or asynchronous mode as you prefer.
- *
- * This pool selects the workers in a round robin fashion.
- *
- * @template Data Type of data sent to the worker. This can only be serializable data.
- * @template Response Type of response of execution. This can only be serializable data.
+ * @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.
  * @author [Christopher Quadflieg](https://github.com/Shinigami92)
  * @since 2.0.0
  */
@@ -43,16 +25,17 @@ export class FixedClusterPool<
   /**
    * Constructs a new poolifier fixed cluster pool.
    *
-   * @param numberOfWorkers Number of workers for this pool.
-   * @param filePath Path to an implementation of a `ClusterWorker` file, which can be relative or absolute.
-   * @param opts Options for this fixed cluster pool.
+   * @param numberOfWorkers - Number of workers for this pool.
+   * @param filePath - Path to an implementation of a `ClusterWorker` file, which can be relative or absolute.
+   * @param opts - Options for this fixed cluster pool.
    */
   public constructor (
     numberOfWorkers: number,
     filePath: string,
-    public readonly opts: ClusterPoolOptions = {}
+    opts: ClusterPoolOptions = {},
+    maximumNumberOfWorkers?: number
   ) {
-    super(numberOfWorkers, filePath, opts)
+    super(numberOfWorkers, filePath, opts, maximumNumberOfWorkers)
   }
 
   /** @inheritDoc */
@@ -66,42 +49,69 @@ export class FixedClusterPool<
   }
 
   /** @inheritDoc */
-  public destroyWorker (worker: Worker): void {
-    this.sendToWorker(worker, { kill: 1 })
-    worker.kill()
+  protected sendToWorker (
+    workerNodeKey: number,
+    message: MessageValue<Data>
+  ): void {
+    this.workerNodes[workerNodeKey]?.worker.send({
+      ...message,
+      workerId: this.getWorkerInfo(workerNodeKey)?.id
+    } satisfies MessageValue<Data>)
+  }
+
+  /** @inheritDoc */
+  protected sendStartupMessageToWorker (workerNodeKey: number): void {
+    this.sendToWorker(workerNodeKey, {
+      ready: false
+    })
+  }
+
+  /** @inheritDoc */
+  protected registerWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].worker.on('message', listener)
   }
 
   /** @inheritDoc */
-  protected sendToWorker (worker: Worker, message: MessageValue<Data>): void {
-    worker.send(message)
+  protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].worker.once('message', listener)
   }
 
   /** @inheritDoc */
-  public registerWorkerMessageListener<Message extends Data | Response>(
-    worker: Worker,
+  protected deregisterWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
     listener: (message: MessageValue<Message>) => void
   ): void {
-    worker.on('message', listener)
+    this.workerNodes[workerNodeKey].worker.off('message', listener)
+  }
+
+  /** @inheritDoc */
+  protected shallCreateDynamicWorker (): boolean {
+    return false
   }
 
   /** @inheritDoc */
-  protected createWorker (): Worker {
-    return cluster.fork(this.opts.env)
+  protected checkAndEmitDynamicWorkerCreationEvents (): void {
+    /* noop */
   }
 
   /** @inheritDoc */
-  protected afterWorkerSetup (worker: Worker): void {
-    // Listen to worker messages.
-    this.registerWorkerMessageListener(worker, super.workerListener())
+  protected get type (): PoolType {
+    return PoolTypes.fixed
   }
 
   /** @inheritDoc */
-  public get type (): PoolType {
-    return PoolType.FIXED
+  protected get worker (): WorkerType {
+    return WorkerTypes.cluster
   }
 
   /** @inheritDoc */
-  public get busy (): boolean {
-    return this.internalGetBusyStatus()
+  protected get busy (): boolean {
+    return this.internalBusy()
   }
 }