X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fperformance%2Fstorage%2FJsonFileStorage.ts;h=8bbbd42cea06563d91d7e6d360bf38cc06f92563;hb=b3d7d65476a4ab586b3ccd188f0bfbe8452aba0e;hp=9b016f0637bad0c15cbfa9b18700c6c10801ceaa;hpb=b77a543f4c2e5998b0373b44bd08930e82a64bcf;p=e-mobility-charging-stations-simulator.git diff --git a/src/performance/storage/JsonFileStorage.ts b/src/performance/storage/JsonFileStorage.ts index 9b016f06..8bbbd42c 100644 --- a/src/performance/storage/JsonFileStorage.ts +++ b/src/performance/storage/JsonFileStorage.ts @@ -1,11 +1,19 @@ -// Copyright Jerome Benoit. 2021. All Rights Reserved. +// Copyright Jerome Benoit. 2021-2023. All Rights Reserved. + +import { closeSync, existsSync, mkdirSync, openSync, readFileSync, writeFileSync } from 'node:fs'; +import { dirname } from 'node:path'; -import Constants from '../../utils/Constants'; -import FileUtils from '../../utils/FileUtils'; -import Statistics from '../../types/Statistics'; import { Storage } from './Storage'; -import fs from 'fs'; -import lockfile from 'proper-lockfile'; +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; @@ -17,59 +25,67 @@ 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, Constants.PERFORMANCE_RECORDS_FILETYPE, 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(() => { /* This is intentional */ }); + .catch((error) => { + handleFileException( + this.dbName, + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix, + ); + }) + .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, Constants.PERFORMANCE_RECORDS_FILETYPE, this.dbName, error as NodeJS.ErrnoException); + handleFileException( + this.dbName, + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix, + ); } } public close(): void { try { if (this?.fd) { - fs.closeSync(this.fd); + closeSync(this.fd); this.fd = null; } } catch (error) { - FileUtils.handleFileException(this.logPrefix, Constants.PERFORMANCE_RECORDS_FILETYPE, this.dbName, error as NodeJS.ErrnoException); + handleFileException( + this.dbName, + 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`, + ); } } }