X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fperformance%2Fstorage%2FJsonFileStorage.ts;h=8bbbd42cea06563d91d7e6d360bf38cc06f92563;hb=b3d7d65476a4ab586b3ccd188f0bfbe8452aba0e;hp=bc28a6cb43c15b39a0925c10c9b8cf555a85b68d;hpb=8114d10e3893e96bb725ce2fca9744429ee4b75b;p=e-mobility-charging-stations-simulator.git diff --git a/src/performance/storage/JsonFileStorage.ts b/src/performance/storage/JsonFileStorage.ts index bc28a6cb..8bbbd42c 100644 --- a/src/performance/storage/JsonFileStorage.ts +++ b/src/performance/storage/JsonFileStorage.ts @@ -1,13 +1,19 @@ -// Copyright Jerome Benoit. 2021. All Rights Reserved. +// Copyright Jerome Benoit. 2021-2023. All Rights Reserved. -import fs from 'fs'; +import { closeSync, existsSync, mkdirSync, openSync, readFileSync, writeFileSync } from 'node:fs'; +import { dirname } from 'node:path'; -import lockfile from 'proper-lockfile'; - -import { FileType } from '../../types/FileType'; -import Statistics from '../../types/Statistics'; -import FileUtils from '../../utils/FileUtils'; import { Storage } from './Storage'; +import { BaseError } from '../../exception'; +import { FileType, type Statistics } from '../../types'; +import { + AsyncLock, + AsyncLockType, + Constants, + JSONStringifyWithMapSupport, + handleFileException, + isNullOrUndefined, +} from '../../utils'; export class JsonFileStorage extends Storage { private fd: number | null = null; @@ -19,58 +25,42 @@ export class JsonFileStorage extends Storage { public storePerformanceStatistics(performanceStatistics: Statistics): void { this.checkPerformanceRecordsFile(); - lockfile - .lock(this.dbName, { stale: 5000, retries: 3 }) - .then(async (release) => { - try { - const fileData = fs.readFileSync(this.dbName, 'utf8'); - const performanceRecords: Statistics[] = fileData - ? (JSON.parse(fileData) as Statistics[]) - : []; - performanceRecords.push(performanceStatistics); - fs.writeFileSync( - this.dbName, - JSON.stringify( - performanceRecords, - (key, value) => { - if (value instanceof Map) { - return { - dataType: 'Map', - value: [...value], - }; - } - return value as Statistics; - }, - 2 - ), - 'utf8' - ); - } catch (error) { - FileUtils.handleFileException( - this.logPrefix, - FileType.PerformanceRecords, - this.dbName, - error as NodeJS.ErrnoException - ); - } - await release(); + AsyncLock.acquire(AsyncLockType.performance) + .then(() => { + const fileData = readFileSync(this.dbName, 'utf8'); + const performanceRecords: Statistics[] = fileData + ? (JSON.parse(fileData) as Statistics[]) + : []; + performanceRecords.push(performanceStatistics); + writeFileSync(this.dbName, JSONStringifyWithMapSupport(performanceRecords, 2), 'utf8'); + }) + .catch((error) => { + handleFileException( + this.dbName, + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix, + ); }) - .catch(() => { - /* This is intentional */ + .finally(() => { + AsyncLock.release(AsyncLockType.performance).catch(Constants.EMPTY_FUNCTION); }); } public open(): void { try { - if (!this?.fd) { - this.fd = fs.openSync(this.dbName, 'a+'); + if (isNullOrUndefined(this?.fd)) { + if (!existsSync(dirname(this.dbName))) { + mkdirSync(dirname(this.dbName), { recursive: true }); + } + this.fd = openSync(this.dbName, 'a+'); } } catch (error) { - FileUtils.handleFileException( - this.logPrefix, - FileType.PerformanceRecords, + handleFileException( this.dbName, - error as NodeJS.ErrnoException + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix, ); } } @@ -78,23 +68,23 @@ export class JsonFileStorage extends Storage { public close(): void { try { if (this?.fd) { - fs.closeSync(this.fd); + closeSync(this.fd); this.fd = null; } } catch (error) { - FileUtils.handleFileException( - this.logPrefix, - FileType.PerformanceRecords, + handleFileException( this.dbName, - error as NodeJS.ErrnoException + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix, ); } } private checkPerformanceRecordsFile(): void { if (!this?.fd) { - throw new Error( - `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found` + throw new BaseError( + `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found`, ); } }