X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FWorkerBroadcastChannel.ts;h=652a27e1831e7fb7f9815745511de6c68a7fe54f;hb=2040a613fd09c3476094e671a103131b99d08a8b;hp=2099d695ab683e75d315151e02c9c5914eb6cedd;hpb=02a6943a30a9a6c93e5dcbdb79aa8d9746ae368e;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/WorkerBroadcastChannel.ts b/src/charging-station/WorkerBroadcastChannel.ts
index 2099d695..652a27e1 100644
--- a/src/charging-station/WorkerBroadcastChannel.ts
+++ b/src/charging-station/WorkerBroadcastChannel.ts
@@ -1,9 +1,18 @@
 import { BroadcastChannel } from 'worker_threads';
 
-import { BroadcastChannelRequest, BroadcastChannelResponse } from '../types/WorkerBroadcastChannel';
+import type { JsonType } from '../types/JsonType';
+import type {
+  BroadcastChannelRequest,
+  BroadcastChannelResponse,
+  MessageEvent,
+} from '../types/WorkerBroadcastChannel';
+import logger from '../utils/Logger';
+import Utils from '../utils/Utils';
 
-export default class WorkerBroadcastChannel extends BroadcastChannel {
-  constructor() {
+const moduleName = 'WorkerBroadcastChannel';
+
+export default abstract class WorkerBroadcastChannel extends BroadcastChannel {
+  protected constructor() {
     super('worker');
   }
 
@@ -11,7 +20,37 @@ export default class WorkerBroadcastChannel extends BroadcastChannel {
     this.postMessage(request);
   }
 
-  public sendResponse(response: BroadcastChannelResponse): void {
+  protected sendResponse(response: BroadcastChannelResponse): void {
     this.postMessage(response);
   }
+
+  protected isRequest(message: JsonType[]): boolean {
+    return Array.isArray(message) === true && message.length === 3;
+  }
+
+  protected isResponse(message: JsonType[]): boolean {
+    return Array.isArray(message) === true && message.length === 2;
+  }
+
+  protected validateMessageEvent(messageEvent: MessageEvent): MessageEvent | false {
+    if (Array.isArray(messageEvent.data) === false) {
+      logger.error(
+        this.logPrefix(moduleName, 'validateMessageEvent') +
+          ' Worker broadcast channel protocol message event data is not an array'
+      );
+      return false;
+    }
+    if (Utils.validateUUID(messageEvent.data[0]) === false) {
+      logger.error(
+        this.logPrefix(moduleName, 'validateMessageEvent') +
+          ' Worker broadcast channel protocol message event data UUID field is invalid'
+      );
+      return false;
+    }
+    return messageEvent;
+  }
+
+  private logPrefix(modName: string, methodName: string): string {
+    return Utils.logPrefix(` Worker Broadcast Channel | ${modName}.${methodName}:`);
+  }
 }