X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fperformance%2Fstorage%2FJsonFileStorage.ts;h=c4a9f7483e30060047607bdbad5a97e15fb7c91c;hb=3e8d029bbd0a072ae80c45e9a50770de3218cbc1;hp=a2c77719622b2491fb7f5c41d6639c82ee037dd3;hpb=60a743910478b70e39dcefa5e1b752ec8a93880e;p=e-mobility-charging-stations-simulator.git diff --git a/src/performance/storage/JsonFileStorage.ts b/src/performance/storage/JsonFileStorage.ts index a2c77719..c4a9f748 100644 --- a/src/performance/storage/JsonFileStorage.ts +++ b/src/performance/storage/JsonFileStorage.ts @@ -1,12 +1,19 @@ // Copyright Jerome Benoit. 2021-2023. All Rights Reserved. -import fs from 'node:fs'; - -import lockfile from 'proper-lockfile'; +import { closeSync, existsSync, mkdirSync, openSync, readFileSync, writeFileSync } from 'node:fs'; +import { dirname } from 'node:path'; +import { Storage } from './Storage'; +import { BaseError } from '../../exception'; import { FileType, type Statistics } from '../../types'; -import { FileUtils, Utils } from '../../utils'; -import { Storage } from '../internal'; +import { + AsyncLock, + AsyncLockType, + Constants, + JSONStringifyWithMapSupport, + handleFileException, + isNullOrUndefined, +} from '../../utils'; export class JsonFileStorage extends Storage { private fd: number | null = null; @@ -18,42 +25,38 @@ 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, - Utils.JSONStringifyWithMapSupport(performanceRecords, 2), - 'utf8' - ); - } catch (error) { - FileUtils.handleFileException( - this.dbName, - FileType.PerformanceRecords, - error as NodeJS.ErrnoException, - this.logPrefix - ); - } - 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 === undefined || this?.fd === null) { - 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( + handleFileException( this.dbName, FileType.PerformanceRecords, error as NodeJS.ErrnoException, @@ -65,11 +68,11 @@ 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( + handleFileException( this.dbName, FileType.PerformanceRecords, error as NodeJS.ErrnoException, @@ -80,7 +83,7 @@ export class JsonFileStorage extends Storage { private checkPerformanceRecordsFile(): void { if (!this?.fd) { - throw new Error( + throw new BaseError( `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found` ); }