X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fthread%2Ffixed.ts;h=d22d75fb3b5a397e8a2371a700d53d4f243160ba;hb=c5941540b836b7b6c0cc11e1678ff6e8cd144094;hp=881e37f636eb3a5ba4770c0c7b90cbb994ab029e;hpb=e102732c0e3966b81834b2c0bdd087eb051162ad;p=poolifier.git

diff --git a/src/pools/thread/fixed.ts b/src/pools/thread/fixed.ts
index 881e37f6..d22d75fb 100644
--- a/src/pools/thread/fixed.ts
+++ b/src/pools/thread/fixed.ts
@@ -1,36 +1,21 @@
 import {
-  SHARE_ENV,
-  Worker,
-  type WorkerOptions,
+  type TransferListItem,
+  type Worker,
   isMainThread
 } from 'node:worker_threads'
-import type { MessageValue } from '../../utility-types'
-import { AbstractPool } from '../abstract-pool'
-import {
-  type PoolOptions,
-  type PoolType,
-  PoolTypes,
-  type WorkerType,
-  WorkerTypes
-} from '../pool'
+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 thread pool.
  */
-export interface ThreadPoolOptions extends PoolOptions<Worker> {
-  /**
-   * Worker options.
-   *
-   * @see https://nodejs.org/api/worker_threads.html#new-workerfilename-options
-   */
-  workerOptions?: WorkerOptions
-}
+export type ThreadPoolOptions = PoolOptions<Worker>
 
 /**
  * A thread pool with a fixed number of threads.
  *
- * It is possible to perform tasks in sync or asynchronous mode as you prefer.
- *
  * @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 [Alessandro Pio Ardizio](https://github.com/pioardi)
@@ -50,9 +35,10 @@ export class FixedThreadPool<
   public constructor (
     numberOfThreads: number,
     filePath: string,
-    protected readonly opts: ThreadPoolOptions = {}
+    opts: ThreadPoolOptions = {},
+    maximumNumberOfThreads?: number
   ) {
-    super(numberOfThreads, filePath, opts)
+    super(numberOfThreads, filePath, opts, maximumNumberOfThreads)
   }
 
   /** @inheritDoc */
@@ -61,42 +47,86 @@ export class FixedThreadPool<
   }
 
   /** @inheritDoc */
-  protected async destroyWorker (worker: Worker): Promise<void> {
-    this.sendToWorker(worker, { kill: 1 })
-    await worker.terminate()
+  protected sendToWorker (
+    workerNodeKey: number,
+    message: MessageValue<Data>,
+    transferList?: TransferListItem[]
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.postMessage(
+      {
+        ...message,
+        workerId: this.getWorkerInfo(workerNodeKey)?.id
+      } satisfies MessageValue<Data>,
+      transferList
+    )
   }
 
   /** @inheritDoc */
-  protected sendToWorker (worker: Worker, message: MessageValue<Data>): void {
-    worker.postMessage(message)
+  protected sendStartupMessageToWorker (workerNodeKey: number): void {
+    const workerNode = this.workerNodes[workerNodeKey]
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const port2 = workerNode.messageChannel!.port2
+    workerNode.worker.postMessage(
+      {
+        ready: false,
+        workerId: this.getWorkerInfo(workerNodeKey)?.id,
+        port: port2
+      } satisfies MessageValue<Data>,
+      [port2]
+    )
   }
 
   /** @inheritDoc */
-  protected createWorker (): Worker {
-    return new Worker(this.filePath, {
-      env: SHARE_ENV,
-      ...this.opts.workerOptions
-    })
+  protected registerWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.on(
+      'message',
+      listener
+    )
   }
 
   /** @inheritDoc */
-  protected get type (): PoolType {
-    return PoolTypes.fixed
+  protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.once(
+      'message',
+      listener
+    )
   }
 
   /** @inheritDoc */
-  protected get worker (): WorkerType {
-    return WorkerTypes.thread
+  protected deregisterWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.off(
+      'message',
+      listener
+    )
   }
 
   /** @inheritDoc */
-  protected get minSize (): number {
-    return this.numberOfWorkers
+  protected shallCreateDynamicWorker (): boolean {
+    return false
   }
 
   /** @inheritDoc */
-  protected get maxSize (): number {
-    return this.numberOfWorkers
+  protected checkAndEmitDynamicWorkerCreationEvents (): void {
+    /* noop */
+  }
+
+  /** @inheritDoc */
+  protected get type (): PoolType {
+    return PoolTypes.fixed
+  }
+
+  /** @inheritDoc */
+  protected get worker (): WorkerType {
+    return WorkerTypes.thread
   }
 
   /** @inheritDoc */