Storage: use worker threads message passing to store performance records from

[e-mobility-charging-stations-simulator.git] / src / utils / Utils.ts

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 83cb66ecfb2605c481695594a4cb89a99b8de9ea..74abb7822b4c73ab5efd947fa5a397b0a23075cb 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -1,6 +1,13 @@
+import Configuration from './Configuration';
+import { WebSocketCloseEventStatusString } from '../types/WebSocket';
+import { WorkerProcessType } from '../types/Worker';
 import { v4 as uuid } from 'uuid';
 
 export default class Utils {
+  static logPrefix(prefixString = ''): string {
+    return new Date().toLocaleString() + prefixString;
+  }
+
   static generateUUID(): string {
     return uuid();
   }
@@ -10,14 +17,14 @@ export default class Utils {
   }
 
   static secondsToHHMMSS(seconds: number): string {
-    return new Date(seconds * 1000).toISOString().substr(11, 8);
+    return Utils.milliSecondsToHHMMSS(seconds * 1000);
   }
 
   static milliSecondsToHHMMSS(milliSeconds: number): string {
     return new Date(milliSeconds).toISOString().substr(11, 8);
   }
 
-  static removeExtraEmptyLines(tab): void {
+  static removeExtraEmptyLines(tab: string[]): void {
     // Start from the end
     for (let i = tab.length - 1; i > 0; i--) {
       // Two consecutive empty lines?
@@ -33,7 +40,7 @@ export default class Utils {
     }
   }
 
-  static convertToDate(value): Date {
+  static convertToDate(value: any): Date {
     // Check
     if (!value) {
       return value;
@@ -45,36 +52,36 @@ export default class Utils {
     return value;
   }
 
-  static convertToInt(value): number {
-    let changedValue = value;
+  static convertToInt(value: any): number {
+    let changedValue: number = value;
     if (!value) {
       return 0;
     }
     if (Number.isSafeInteger(value)) {
-      return value;
+      return value as number;
     }
     // Check
-    if (typeof value === 'string') {
+    if (Utils.isString(value)) {
       // Create Object
       changedValue = parseInt(value);
     }
     return changedValue;
   }
 
-  static convertToFloat(value): number {
-    let changedValue = value;
+  static convertToFloat(value: any): number {
+    let changedValue: number = value;
     if (!value) {
       return 0;
     }
     // Check
-    if (typeof value === 'string') {
+    if (Utils.isString(value)) {
       // Create Object
       changedValue = parseFloat(value);
     }
     return changedValue;
   }
 
-  static convertToBoolean(value): boolean {
+  static convertToBoolean(value: any): boolean {
     let result = false;
     // Check boolean
     if (value) {
@@ -101,14 +108,14 @@ export default class Utils {
     return Math.floor(Math.random() * max + 1);
   }
 
-  static roundTo(number: number, scale: number): number {
+  static roundTo(numberValue: number, scale: number): number {
     const roundPower = Math.pow(10, scale);
-    return Math.round(number * roundPower) / roundPower;
+    return Math.round(numberValue * roundPower) / roundPower;
   }
 
-  static truncTo(number: number, scale: number): number {
+  static truncTo(numberValue: number, scale: number): number {
     const truncPower = Math.pow(10, scale);
-    return Math.trunc(number * truncPower) / truncPower;
+    return Math.trunc(numberValue * truncPower) / truncPower;
   }
 
   static getRandomFloatRounded(max: number, min = 0, scale = 2): number {
@@ -118,23 +125,26 @@ export default class Utils {
     return Utils.roundTo(Utils.getRandomFloat(max), scale);
   }
 
-  static logPrefix(prefixString = ''): string {
-    const date = new Date();
-    return date.toLocaleString() + prefixString;
+  static getRandomFloatFluctuatedRounded(staticValue: number, fluctuationPercent: number, scale = 2): number {
+    if (fluctuationPercent === 0) {
+      return Utils.roundTo(staticValue, scale);
+    }
+    const fluctuationRatio = fluctuationPercent / 100;
+    return Utils.getRandomFloatRounded(staticValue * (1 + fluctuationRatio), staticValue * (1 - fluctuationRatio), scale);
   }
 
   static cloneObject<T>(object: T): T {
     return JSON.parse(JSON.stringify(object)) as T;
   }
 
-  static isIterable(obj): boolean {
+  static isIterable<T>(obj: T): boolean {
     if (obj) {
       return typeof obj[Symbol.iterator] === 'function';
     }
     return false;
   }
 
-  static isEmptyJSon(document): boolean {
+  static isEmptyJSon(document: any): boolean {
     // Empty?
     if (!document) {
       return true;
@@ -147,23 +157,23 @@ export default class Utils {
     return Object.keys(document).length === 0;
   }
 
-  static isString(value): boolean {
+  static isString(value: any): boolean {
     return typeof value === 'string';
   }
 
-  static isUndefined(value): boolean {
+  static isUndefined(value: any): boolean {
     return typeof value === 'undefined';
   }
 
-  static isNullOrUndefined(value): boolean {
-    // eslint-disable-next-line no-eq-null
+  static isNullOrUndefined(value: any): boolean {
+    // eslint-disable-next-line no-eq-null, eqeqeq
     if (value == null) {
       return true;
     }
     return false;
   }
 
-  static isEmptyArray(object): boolean {
+  static isEmptyArray(object: any): boolean {
     if (!object) {
       return true;
     }
@@ -173,19 +183,53 @@ export default class Utils {
     return true;
   }
 
-  static isEmptyObject(obj): boolean {
+  static isEmptyObject(obj: any): boolean {
     return !Object.keys(obj).length;
   }
 
   static insertAt = (str: string, subStr: string, pos: number): string => `${str.slice(0, pos)}${subStr}${str.slice(pos)}`;
 
   /**
-   * @param  {number} [retryNumber=0]
-   * @return {number} - delay in milliseconds
+   * @param [retryNumber=0]
+   * @returns delay in milliseconds
    */
   static exponentialDelay(retryNumber = 0): number {
     const delay = Math.pow(2, retryNumber) * 100;
     const randomSum = delay * 0.2 * Math.random(); // 0-20% of the delay
     return delay + randomSum;
   }
+
+  /**
+   * Convert websocket error code to human readable string message
+   *
+   * @param code websocket error code
+   * @returns human readable string message
+   */
+  static getWebSocketCloseEventStatusString(code: number): string {
+    if (code >= 0 && code <= 999) {
+      return '(Unused)';
+    } else if (code >= 1016) {
+      if (code <= 1999) {
+        return '(For WebSocket standard)';
+      } else if (code <= 2999) {
+        return '(For WebSocket extensions)';
+      } else if (code <= 3999) {
+        return '(For libraries and frameworks)';
+      } else if (code <= 4999) {
+        return '(For applications)';
+      }
+    }
+    if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) {
+      return WebSocketCloseEventStatusString[code] as string;
+    }
+    return '(Unknown)';
+  }
+
+  static workerPoolInUse(): boolean {
+    return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes(Configuration.getWorkerProcess());
+  }
+
+  static workerDynamicPoolInUse(): boolean {
+    return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL;
+  }
 }