perf(simulator): use content addressable cache for idtag distribution

[e-mobility-charging-stations-simulator.git] / src / worker / WorkerSet.ts

diff --git a/src/worker/WorkerSet.ts b/src/worker/WorkerSet.ts
index 956d97de0f07b54f0ce627f4620642205963de2a..eaa19ac8f384ed5ce591362696e13bfdf765ab5a 100644 (file)
--- a/src/worker/WorkerSet.ts
+++ b/src/worker/WorkerSet.ts
@@ -1,43 +1,43 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import { Worker } from 'worker_threads';
+import { Worker } from 'node:worker_threads';
 
-import { WorkerData, WorkerMessageEvents, WorkerOptions, WorkerSetElement } from '../types/Worker';
-import Utils from '../utils/Utils';
-import WorkerAbstract from './WorkerAbstract';
+import { WorkerAbstract } from './WorkerAbstract';
+import { WorkerConstants } from './WorkerConstants';
+import {
+  type MessageHandler,
+  type WorkerData,
+  WorkerMessageEvents,
+  type WorkerOptions,
+  type WorkerSetElement,
+} from './WorkerTypes';
 import { WorkerUtils } from './WorkerUtils';
 
-export default class WorkerSet extends WorkerAbstract<WorkerData> {
+export class WorkerSet extends WorkerAbstract<WorkerData> {
   private readonly workerSet: Set<WorkerSetElement>;
-  private readonly messageHandler: (message: unknown) => void | Promise<void>;
 
   /**
    * Create a new `WorkerSet`.
    *
-   * @param workerScript
-   * @param workerOptions
+   * @param workerScript -
+   * @param workerOptions -
    */
   constructor(workerScript: string, workerOptions?: WorkerOptions) {
     super(workerScript, workerOptions);
     this.workerSet = new Set<WorkerSetElement>();
-    this.messageHandler =
-      workerOptions?.messageHandler ??
-      (() => {
-        /* This is intentional */
-      });
   }
 
   get size(): number {
     return this.workerSet.size;
   }
 
-  get maxElementsPerWorker(): number | null {
+  get maxElementsPerWorker(): number | undefined {
     return this.workerOptions.elementsPerWorker;
   }
 
   /**
    *
-   * @param elementData
+   * @param elementData -
    * @returns
    * @public
    */
@@ -52,13 +52,13 @@ export default class WorkerSet extends WorkerAbstract<WorkerData> {
       await this.startWorker();
     }
     this.getLastWorker().postMessage({
-      id: WorkerMessageEvents.START_WORKER_ELEMENT,
+      id: WorkerMessageEvents.startWorkerElement,
       data: elementData,
     });
     this.getLastWorkerSetElement().numberOfWorkerElements++;
     // Start element sequentially to optimize memory at startup
     if (this.workerOptions.elementStartDelay > 0) {
-      await Utils.sleep(this.workerOptions.elementStartDelay);
+      await WorkerUtils.sleep(this.workerOptions.elementStartDelay);
     }
   }
 
@@ -84,21 +84,17 @@ export default class WorkerSet extends WorkerAbstract<WorkerData> {
   }
 
   /**
-   *
-   * @private
+   * Start a new `Worker`.
    */
   private async startWorker(): Promise<void> {
     const worker = new Worker(this.workerScript);
-    worker.on('message', (msg) => {
-      (async () => {
-        await this.messageHandler(msg);
-      })().catch(() => {
-        /* This is intentional */
-      });
-    });
-    worker.on('error', () => {
-      /* This is intentional */
-    });
+    worker.on(
+      'message',
+      (this.workerOptions?.messageHandler ?? WorkerConstants.EMPTY_FUNCTION).bind(
+        this
+      ) as MessageHandler<Worker>
+    );
+    worker.on('error', WorkerUtils.defaultErrorHandler.bind(this) as (err: Error) => void);
     worker.on('exit', (code) => {
       WorkerUtils.defaultExitHandler(code);
       this.workerSet.delete(this.getWorkerSetElementByWorker(worker));
@@ -106,7 +102,7 @@ export default class WorkerSet extends WorkerAbstract<WorkerData> {
     this.workerSet.add({ worker, numberOfWorkerElements: 0 });
     // Start worker sequentially to optimize memory at startup
     this.workerOptions.workerStartDelay > 0 &&
-      (await Utils.sleep(this.workerOptions.workerStartDelay));
+      (await WorkerUtils.sleep(this.workerOptions.workerStartDelay));
   }
 
   private getLastWorkerSetElement(): WorkerSetElement {