X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FBootstrap.ts;h=00a7df7dd45e770b720a63aa848f3f19b8b1f51a;hb=fc28853f03af7666e2f55a244b787157fddadfbc;hp=7b2db1c795033a2f697f2989c3f69a7a5eb9ed30;hpb=78202038ffd2aca15aa97f45bc66ba42f40f2ec4;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/Bootstrap.ts b/src/charging-station/Bootstrap.ts
index 7b2db1c7..00a7df7d 100644
--- a/src/charging-station/Bootstrap.ts
+++ b/src/charging-station/Bootstrap.ts
@@ -1,33 +1,26 @@
 // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import path from 'path';
-import { fileURLToPath } from 'url';
-import { type Worker, isMainThread } from 'worker_threads';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { type Worker, isMainThread } from 'node: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 { type AbstractUIServer, ChargingStationUtils, UIServerFactory } from './internal';
+import packageJson from '../../package.json' assert { type: 'json' };
+import { BaseError } from '../exception';
+import { type Storage, StorageFactory } from '../performance';
 import {
   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 { 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';
+  type StationTemplateUrl,
+  type Statistics,
+} from '../types';
+import { Configuration, Utils, logger } from '../utils';
+import { type MessageHandler, type WorkerAbstract, WorkerFactory } from '../worker';
 
 const moduleName = 'Bootstrap';
 
@@ -38,25 +31,30 @@ enum exitCodes {
 
 export class Bootstrap {
   private static instance: Bootstrap | null = null;
+  public numberOfChargingStations!: number;
+  public numberOfChargingStationTemplates!: number;
   private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null;
-  private readonly uiServer!: AbstractUIServer;
+  private readonly uiServer!: AbstractUIServer | null;
   private readonly storage!: Storage;
-  private numberOfChargingStationTemplates!: number;
-  private numberOfChargingStations!: number;
   private numberOfStartedChargingStations!: number;
-  private readonly version: string = version;
+  private readonly version: string = packageJson.version;
+  private initializedCounters: boolean;
   private started: boolean;
   private readonly workerScript: string;
 
   private constructor() {
+    // Enable unconditionally for now
+    this.logUnhandledRejection();
+    this.logUncaughtException();
+    this.initializedCounters = false;
     this.started = false;
+    this.initializeCounters();
     this.workerImplementation = null;
     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 &&
       (this.uiServer = UIServerFactory.getUIServerImplementation(Configuration.getUIServer()));
     Configuration.getPerformanceStorage().enabled === true &&
@@ -77,71 +75,47 @@ 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();
-        this.uiServer?.start();
-        const stationTemplateUrls = Configuration.getStationTemplateUrls();
-        this.numberOfChargingStationTemplates = stationTemplateUrls.length;
-        // Start ChargingStation object in worker thread
-        if (!Utils.isEmptyArray(stationTemplateUrls)) {
-          for (const stationTemplateUrl of stationTemplateUrls) {
-            try {
-              const nbStations = stationTemplateUrl.numberOfStations ?? 0;
-              for (let index = 1; index <= nbStations; index++) {
-                await this.startChargingStation(index, stationTemplateUrl);
-              }
-            } catch (error) {
-              console.error(
-                chalk.red(
-                  'Error at starting charging station with template file ' +
-                    stationTemplateUrl.file +
-                    ': '
-                ),
-                error
-              );
-            }
+      this.initializeCounters();
+      this.initializeWorkerImplementation();
+      await this.workerImplementation?.start();
+      await this.storage?.open();
+      this.uiServer?.start();
+      // Start ChargingStation object instance in worker thread
+      for (const stationTemplateUrl of Configuration.getStationTemplateUrls()) {
+        try {
+          const nbStations = stationTemplateUrl.numberOfStations ?? 0;
+          for (let index = 1; index <= nbStations; index++) {
+            await this.startChargingStation(index, stationTemplateUrl);
           }
-        } else {
-          console.warn(
-            chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
-          );
-          process.exit(exitCodes.missingChargingStationsConfiguration);
-        }
-        if (this.numberOfChargingStations === 0) {
-          console.warn(
-            chalk.yellow('No charging station template enabled in configuration, exiting')
-          );
-          process.exit(exitCodes.noChargingStationTemplates);
-        } else {
-          console.info(
-            chalk.green(
-              `Charging stations simulator ${
-                this.version
-              } started with ${this.numberOfChargingStations.toString()} charging station(s) from ${this.numberOfChargingStationTemplates.toString()} configured charging station template(s) and ${
-                ChargingStationUtils.workerDynamicPoolInUse()
-                  ? `${Configuration.getWorker().poolMinSize.toString()}/`
-                  : ''
-              }${this.workerImplementation.size}${
-                ChargingStationUtils.workerPoolInUse()
-                  ? `/${Configuration.getWorker().poolMaxSize.toString()}`
-                  : ''
-              } worker(s) concurrently running in '${Configuration.getWorker().processType}' mode${
-                this.workerImplementation.maxElementsPerWorker
-                  ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)`
-                  : ''
-              }`
-            )
+        } catch (error) {
+          console.error(
+            chalk.red(
+              `Error at starting charging station with template file ${stationTemplateUrl.file}: `
+            ),
+            error
           );
         }
-        this.started = true;
-      } catch (error) {
-        console.error(chalk.red('Bootstrap start error: '), error);
       }
+      console.info(
+        chalk.green(
+          `Charging stations simulator ${
+            this.version
+          } started with ${this.numberOfChargingStations.toString()} charging station(s) from ${this.numberOfChargingStationTemplates.toString()} configured charging station template(s) and ${
+            ChargingStationUtils.workerDynamicPoolInUse()
+              ? `${Configuration.getWorker().poolMinSize?.toString()}/`
+              : ''
+          }${this.workerImplementation?.size}${
+            ChargingStationUtils.workerPoolInUse()
+              ? `/${Configuration.getWorker().poolMaxSize?.toString()}`
+              : ''
+          } worker(s) concurrently running in '${Configuration.getWorker().processType}' mode${
+            !Utils.isNullOrUndefined(this.workerImplementation?.maxElementsPerWorker)
+              ? ` (${this.workerImplementation?.maxElementsPerWorker} charging station(s) per worker)`
+              : ''
+          }`
+        )
+      );
+      this.started = true;
     } else {
       console.error(chalk.red('Cannot start an already started charging stations simulator'));
     }
@@ -149,10 +123,11 @@ export class Bootstrap {
 
   public async stop(): Promise<void> {
     if (isMainThread && this.started === true) {
-      await this.workerImplementation.stop();
+      await this.workerImplementation?.stop();
       this.workerImplementation = null;
       this.uiServer?.stop();
       await this.storage?.close();
+      this.initializedCounters = false;
       this.started = false;
     } else {
       console.error(chalk.red('Cannot stop a not started charging stations simulator'));
@@ -161,7 +136,6 @@ export class Bootstrap {
 
   public async restart(): Promise<void> {
     await this.stop();
-    this.initialize();
     await this.start();
   }
 
@@ -196,16 +170,16 @@ export class Bootstrap {
     // );
     try {
       switch (msg.id) {
-        case ChargingStationWorkerMessageEvents.STARTED:
+        case ChargingStationWorkerMessageEvents.started:
           this.workerEventStarted(msg.data as ChargingStationData);
           break;
-        case ChargingStationWorkerMessageEvents.STOPPED:
+        case ChargingStationWorkerMessageEvents.stopped:
           this.workerEventStopped(msg.data as ChargingStationData);
           break;
-        case ChargingStationWorkerMessageEvents.UPDATED:
+        case ChargingStationWorkerMessageEvents.updated:
           this.workerEventUpdated(msg.data as ChargingStationData);
           break;
-        case ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS:
+        case ChargingStationWorkerMessageEvents.performanceStatistics:
           this.workerEventPerformanceStatistics(msg.data as Statistics);
           break;
         default:
@@ -255,11 +229,31 @@ export class Bootstrap {
     this.storage.storePerformanceStatistics(data) as void;
   };
 
-  private initialize() {
-    this.numberOfChargingStationTemplates = 0;
-    this.numberOfChargingStations = 0;
-    this.numberOfStartedChargingStations = 0;
-    this.initializeWorkerImplementation();
+  private initializeCounters() {
+    if (this.initializedCounters === false) {
+      this.numberOfChargingStationTemplates = 0;
+      this.numberOfChargingStations = 0;
+      const stationTemplateUrls = Configuration.getStationTemplateUrls();
+      if (Utils.isNotEmptyArray(stationTemplateUrls)) {
+        this.numberOfChargingStationTemplates = stationTemplateUrls.length;
+        stationTemplateUrls.forEach((stationTemplateUrl) => {
+          this.numberOfChargingStations += stationTemplateUrl.numberOfStations ?? 0;
+        });
+      } else {
+        console.warn(
+          chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
+        );
+        process.exit(exitCodes.missingChargingStationsConfiguration);
+      }
+      if (this.numberOfChargingStations === 0) {
+        console.warn(
+          chalk.yellow('No charging station template enabled in configuration, exiting')
+        );
+        process.exit(exitCodes.noChargingStationTemplates);
+      }
+      this.numberOfStartedChargingStations = 0;
+      this.initializedCounters = true;
+    }
   }
 
   private logUncaughtException(): void {
@@ -278,7 +272,7 @@ export class Bootstrap {
     index: number,
     stationTemplateUrl: StationTemplateUrl
   ): Promise<void> {
-    const workerData: ChargingStationWorkerData = {
+    await this.workerImplementation?.addElement({
       index,
       templateFile: path.join(
         path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
@@ -286,12 +280,10 @@ export class Bootstrap {
         'station-templates',
         stationTemplateUrl.file
       ),
-    };
-    await this.workerImplementation.addElement(workerData);
-    ++this.numberOfChargingStations;
+    });
   }
 
-  private logPrefix(): string {
+  private logPrefix = (): string => {
     return Utils.logPrefix(' Bootstrap |');
-  }
+  };
 }