Use camel case everywhere

[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 6bcc8511f487fd36db4289aeb3d82dbaa46b2e34..ce5286acd70de97586b09839d9fb4b45492eae0a 100644 (file)
--- a/src/charging-station/Bootstrap.ts
+++ b/src/charging-station/Bootstrap.ts
@@ -1,8 +1,12 @@
-import { ChargingStationWorkerData, WorkerMessage, WorkerMessageEvents } from '../types/Worker';
+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
+import { ChargingStationWorkerData, ChargingStationWorkerMessage, ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
 
 import Configuration from '../utils/Configuration';
-import { Storage } from '../utils/performance-storage/Storage';
-import { StorageFactory } from '../utils/performance-storage/StorageFactory';
+import { Storage } from '../performance/storage/Storage';
+import { StorageFactory } from '../performance/storage/StorageFactory';
+import { UIServiceUtils } from './ui-websocket-services/UIServiceUtils';
+import UIWebSocketServer from './UIWebSocketServer';
 import Utils from '../utils/Utils';
 import WorkerAbstract from '../worker/WorkerAbstract';
 import WorkerFactory from '../worker/WorkerFactory';
@@ -13,17 +17,26 @@ import { version } from '../../package.json';
 
 export default class Bootstrap {
   private static instance: Bootstrap | null = null;
-  private static workerImplementation: WorkerAbstract | null = null;
-  private static storage: Storage;
-  private version: string = version;
+  private workerImplementation: WorkerAbstract | null = null;
+  private readonly uiWebSocketServer!: UIWebSocketServer;
+  private readonly storage!: Storage;
+  private numberOfChargingStations: number;
+  private readonly version: string = version;
   private started: boolean;
-  private workerScript: string;
+  private readonly workerScript: string;
 
   private constructor() {
     this.started = false;
     this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'ChargingStationWorker.js');
     this.initWorkerImplementation();
-    Bootstrap.storage = StorageFactory.getStorage(Configuration.getPerformanceStorage().type, Configuration.getPerformanceStorage().URI, this.logPrefix());
+    Configuration.getUIWebSocketServer().enabled && (this.uiWebSocketServer = new UIWebSocketServer({
+      ...Configuration.getUIWebSocketServer().options, handleProtocols: UIServiceUtils.handleProtocols
+    }));
+    Configuration.getPerformanceStorage().enabled && (this.storage = StorageFactory.getStorage(
+      Configuration.getPerformanceStorage().type,
+      Configuration.getPerformanceStorage().uri,
+      this.logPrefix()
+    ));
     Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart());
   }
 
@@ -37,45 +50,52 @@ export default class Bootstrap {
   public async start(): Promise<void> {
     if (isMainThread && !this.started) {
       try {
-        let numStationsTotal = 0;
-        await Bootstrap.storage.open();
-        await Bootstrap.workerImplementation.start();
+        this.numberOfChargingStations = 0;
+        await this.storage?.open();
+        await this.workerImplementation.start();
+        this.uiWebSocketServer?.start();
+        const stationTemplateUrls = Configuration.getStationTemplateUrls();
         // Start ChargingStation object in worker thread
-        if (Configuration.getStationTemplateURLs()) {
-          for (const stationURL of Configuration.getStationTemplateURLs()) {
+        if (stationTemplateUrls) {
+          for (const stationTemplateUrl of stationTemplateUrls) {
             try {
-              const nbStations = stationURL.numberOfStations ? stationURL.numberOfStations : 0;
+              const nbStations = stationTemplateUrl.numberOfStations ?? 0;
               for (let index = 1; index <= nbStations; index++) {
                 const workerData: ChargingStationWorkerData = {
                   index,
-                  templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
+                  templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationTemplateUrl.file))
                 };
-                await Bootstrap.workerImplementation.addElement(workerData);
-                numStationsTotal++;
+                await this.workerImplementation.addElement(workerData);
+                this.numberOfChargingStations++;
               }
             } catch (error) {
-              console.error(chalk.red('Charging station start with template file ' + stationURL.file + ' error '), error);
+              console.error(chalk.red('Charging station start with template file ' + stationTemplateUrl.file + ' error '), error);
             }
           }
         } else {
-          console.warn(chalk.yellow('No stationTemplateURLs defined in configuration, exiting'));
+          console.warn(chalk.yellow('No stationTemplateUrls defined in configuration, exiting'));
         }
-        if (numStationsTotal === 0) {
+        if (this.numberOfChargingStations === 0) {
           console.warn(chalk.yellow('No charging station template enabled in configuration, exiting'));
         } else {
-          console.log(chalk.green(`Charging station simulator ${this.version} started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${Bootstrap.workerImplementation.size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${Bootstrap.workerImplementation.maxElementsPerWorker ? ` (${Bootstrap.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` : ''}`));
+          console.log(chalk.green(`Charging stations simulator ${this.version} started with ${this.numberOfChargingStations.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.workerImplementation.size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.workerImplementation.maxElementsPerWorker ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` : ''}`));
         }
         this.started = true;
       } catch (error) {
         console.error(chalk.red('Bootstrap start error '), error);
       }
+    } else {
+      console.error(chalk.red('Cannot start an already started charging stations simulator'));
     }
   }
 
   public async stop(): Promise<void> {
     if (isMainThread && this.started) {
-      await Bootstrap.workerImplementation.stop();
-      await Bootstrap.storage.close();
+      await this.workerImplementation.stop();
+      this.uiWebSocketServer?.stop();
+      await this.storage?.close();
+    } else {
+      console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
     }
     this.started = false;
   }
@@ -87,7 +107,7 @@ export default class Bootstrap {
   }
 
   private initWorkerImplementation(): void {
-    Bootstrap.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+    this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
       {
         startDelay: Configuration.getWorkerStartDelay(),
         poolMaxSize: Configuration.getWorkerPoolMaxSize(),
@@ -95,11 +115,15 @@ export default class Bootstrap {
         elementsPerWorker: Configuration.getChargingStationsPerWorker(),
         poolOptions: {
           workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
-        }
-      // eslint-disable-next-line @typescript-eslint/no-misused-promises
-      }, async (msg: WorkerMessage) => {
-        if (msg.id === WorkerMessageEvents.PERFORMANCE_STATISTICS) {
-          await Bootstrap.storage.storePerformanceStatistics(msg.data);
+        },
+        messageHandler: async (msg: ChargingStationWorkerMessage) => {
+          if (msg.id === ChargingStationWorkerMessageEvents.STARTED) {
+            this.uiWebSocketServer.chargingStations.add(msg.data.id);
+          } else if (msg.id === ChargingStationWorkerMessageEvents.STOPPED) {
+            this.uiWebSocketServer.chargingStations.delete(msg.data.id);
+          } else if (msg.id === ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS) {
+            await this.storage.storePerformanceStatistics(msg.data);
+          }
         }
       });
   }