Ensure performance statistics is started before connection to the OCPP

[e-mobility-charging-stations-simulator.git] / src / charging-station / Bootstrap.ts

diff --git a/src/charging-station/Bootstrap.ts b/src/charging-station/Bootstrap.ts
index bb101ca7b75bf3f79153770a0d0dce82ef51d494..acfd99145e9a33b4d983bbecfc864427c0ebd9ae 100644 (file)
--- a/src/charging-station/Bootstrap.ts
+++ b/src/charging-station/Bootstrap.ts
@@ -5,17 +5,19 @@ import WorkerAbstract from '../worker/WorkerAbstract';
 import WorkerFactory from '../worker/WorkerFactory';
 import { isMainThread } from 'worker_threads';
 import path from 'path';
+import { version } from '../../package.json';
 
 export default class Bootstrap {
   private static instance: Bootstrap;
+  private version: string = version;
   private started: boolean;
   private workerScript: string;
-  private workerImplementationInstance: WorkerAbstract;
+  private workerImplementationInstance: WorkerAbstract | null = null;
 
   private constructor() {
     this.started = false;
     this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'StationWorker.js');
-    Configuration.setConfigurationChangeCallback(async () => this.restart());
+    Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart());
   }
 
   public static getInstance(): Bootstrap {
@@ -29,7 +31,7 @@ export default class Bootstrap {
     if (isMainThread && !this.started) {
       try {
         let numStationsTotal = 0;
-        await this.getWorkerImplementationInstance().start();
+        await this.getWorkerImplementationInstance()?.start();
         // Start ChargingStation object in worker thread
         if (Configuration.getStationTemplateURLs()) {
           for (const stationURL of Configuration.getStationTemplateURLs()) {
@@ -40,7 +42,7 @@ export default class Bootstrap {
                   index,
                   templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
                 };
-                await this.getWorkerImplementationInstance().addElement(workerData);
+                await this.getWorkerImplementationInstance()?.addElement(workerData);
                 numStationsTotal++;
               }
             } catch (error) {
@@ -53,7 +55,7 @@ export default class Bootstrap {
         if (numStationsTotal === 0) {
           console.log('No charging station template enabled in configuration, exiting');
         } else {
-          console.log(`Charging station simulator started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementationInstance().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.getWorkerImplementationInstance().maxElementsPerWorker ? ` (${this.getWorkerImplementationInstance().maxElementsPerWorker} charging station(s) per worker)` : ''}`);
+          console.log(`Charging station simulator ${this.version} started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementationInstance().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.getWorkerImplementationInstance().maxElementsPerWorker ? ` (${this.getWorkerImplementationInstance().maxElementsPerWorker} charging station(s) per worker)` : ''}`);
         }
         this.started = true;
       } catch (error) {
@@ -64,7 +66,7 @@ export default class Bootstrap {
 
   public async stop(): Promise<void> {
     if (isMainThread && this.started) {
-      await this.getWorkerImplementationInstance().stop();
+      await this.getWorkerImplementationInstance()?.stop();
       // Nullify to force worker implementation instance creation
       this.workerImplementationInstance = null;
     }
@@ -76,14 +78,17 @@ export default class Bootstrap {
     await this.start();
   }
 
-  private getWorkerImplementationInstance(): WorkerAbstract {
+  private getWorkerImplementationInstance(): WorkerAbstract | null {
     if (!this.workerImplementationInstance) {
       this.workerImplementationInstance = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
         {
           startDelay: Configuration.getWorkerStartDelay(),
           poolMaxSize: Configuration.getWorkerPoolMaxSize(),
           poolMinSize: Configuration.getWorkerPoolMinSize(),
-          elementsPerWorker: Configuration.getChargingStationsPerWorker()
+          elementsPerWorker: Configuration.getChargingStationsPerWorker(),
+          poolOptions: {
+            workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
+          }
         });
     }
     return this.workerImplementationInstance;