Switch log messages to string literal

[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 d0c4016291c699c1433104f9448a5670cf5e7e41..ca45d287e139407ca66858f11c94dcbb3fc23d3c 100644 (file)
--- a/src/charging-station/Bootstrap.ts
+++ b/src/charging-station/Bootstrap.ts
@@ -1,37 +1,40 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
 import path from 'path';
 import { fileURLToPath } from 'url';
-import { isMainThread } from 'worker_threads';
+import { type Worker, isMainThread } from 'worker_threads';
 
 import chalk from 'chalk';
 
+import { ChargingStationUtils } from './ChargingStationUtils';
+import type { AbstractUIServer } from './ui-server/AbstractUIServer';
+import UIServerFactory from './ui-server/UIServerFactory';
 import { version } from '../../package.json';
 import BaseError from '../exception/BaseError';
 import type { Storage } from '../performance/storage/Storage';
 import { StorageFactory } from '../performance/storage/StorageFactory';
 import {
-  ChargingStationData,
-  ChargingStationWorkerData,
-  ChargingStationWorkerMessage,
-  ChargingStationWorkerMessageData,
+  type ChargingStationData,
+  type ChargingStationWorkerData,
+  type ChargingStationWorkerMessage,
+  type ChargingStationWorkerMessageData,
   ChargingStationWorkerMessageEvents,
 } from '../types/ChargingStationWorker';
 import type { StationTemplateUrl } from '../types/ConfigurationData';
-import type Statistics from '../types/Statistics';
+import type { Statistics } from '../types/Statistics';
+import type { MessageHandler } from '../types/Worker';
 import Configuration from '../utils/Configuration';
 import logger from '../utils/Logger';
 import Utils from '../utils/Utils';
 import type WorkerAbstract from '../worker/WorkerAbstract';
 import WorkerFactory from '../worker/WorkerFactory';
-import { ChargingStationUtils } from './ChargingStationUtils';
-import type { AbstractUIServer } from './ui-server/AbstractUIServer';
-import UIServerFactory from './ui-server/UIServerFactory';
 
 const moduleName = 'Bootstrap';
 
-const missingChargingStationsConfigurationExitCode = 1;
-const noChargingStationTemplatesExitCode = 2;
+enum exitCodes {
+  missingChargingStationsConfiguration = 1,
+  noChargingStationTemplates = 2,
+}
 
 export class Bootstrap {
   private static instance: Bootstrap | null = null;
@@ -51,7 +54,7 @@ export class Bootstrap {
     this.workerScript = path.join(
       path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
       'charging-station',
-      'ChargingStationWorker' + path.extname(fileURLToPath(import.meta.url))
+      `ChargingStationWorker${path.extname(fileURLToPath(import.meta.url))}`
     );
     this.initialize();
     Configuration.getUIServer().enabled === true &&
@@ -75,6 +78,9 @@ export class Bootstrap {
   public async start(): Promise<void> {
     if (isMainThread && this.started === false) {
       try {
+        // Enable unconditionally for now
+        this.logUnhandledRejection();
+        this.logUncaughtException();
         this.initialize();
         await this.storage?.open();
         await this.workerImplementation.start();
@@ -92,9 +98,7 @@ export class Bootstrap {
             } catch (error) {
               console.error(
                 chalk.red(
-                  'Error at starting charging station with template file ' +
-                    stationTemplateUrl.file +
-                    ': '
+                  `Error at starting charging station with template file ${stationTemplateUrl.file}: `
                 ),
                 error
               );
@@ -104,13 +108,13 @@ export class Bootstrap {
           console.warn(
             chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
           );
-          process.exit(missingChargingStationsConfigurationExitCode);
+          process.exit(exitCodes.missingChargingStationsConfiguration);
         }
         if (this.numberOfChargingStations === 0) {
           console.warn(
             chalk.yellow('No charging station template enabled in configuration, exiting')
           );
-          process.exit(noChargingStationTemplatesExitCode);
+          process.exit(exitCodes.noChargingStationTemplates);
         } else {
           console.info(
             chalk.green(
@@ -147,10 +151,10 @@ export class Bootstrap {
       this.workerImplementation = null;
       this.uiServer?.stop();
       await this.storage?.close();
+      this.started = false;
     } else {
-      console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
+      console.error(chalk.red('Cannot stop a not started charging stations simulator'));
     }
-    this.started = false;
   }
 
   public async restart(): Promise<void> {
@@ -173,9 +177,7 @@ export class Bootstrap {
           poolOptions: {
             workerChoiceStrategy: Configuration.getWorker().poolStrategy,
           },
-          messageHandler: this.messageHandler.bind(this) as (
-            msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData>
-          ) => void,
+          messageHandler: this.messageHandler.bind(this) as MessageHandler<Worker>,
         }
       ));
   }
@@ -222,11 +224,25 @@ export class Bootstrap {
   private workerEventStarted = (data: ChargingStationData) => {
     this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
     ++this.numberOfStartedChargingStations;
+    logger.info(
+      `${this.logPrefix()} ${moduleName}.workerEventStarted: Charging station ${
+        data.stationInfo.chargingStationId
+      } (hashId: ${data.stationInfo.hashId}) started (${
+        this.numberOfStartedChargingStations
+      } started from ${this.numberOfChargingStations})`
+    );
   };
 
   private workerEventStopped = (data: ChargingStationData) => {
     this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
     --this.numberOfStartedChargingStations;
+    logger.info(
+      `${this.logPrefix()} ${moduleName}.workerEventStopped: Charging station ${
+        data.stationInfo.chargingStationId
+      } (hashId: ${data.stationInfo.hashId}) stopped (${
+        this.numberOfStartedChargingStations
+      } started from ${this.numberOfChargingStations})`
+    );
   };
 
   private workerEventUpdated = (data: ChargingStationData) => {
@@ -244,6 +260,18 @@ export class Bootstrap {
     this.initializeWorkerImplementation();
   }
 
+  private logUncaughtException(): void {
+    process.on('uncaughtException', (error: Error) => {
+      console.error(chalk.red('Uncaught exception: '), error);
+    });
+  }
+
+  private logUnhandledRejection(): void {
+    process.on('unhandledRejection', (reason: unknown) => {
+      console.error(chalk.red('Unhandled rejection: '), reason);
+    });
+  }
+
   private async startChargingStation(
     index: number,
     stationTemplateUrl: StationTemplateUrl