// 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 } from '../../utils/FileUtils';
-import { Utils } from '../../utils/Utils';
-import { Storage } from '../internal';
+import {
+ AsyncLock,
+ AsyncLockType,
+ Constants,
+ JSONStringifyWithMapSupport,
+ handleFileException,
+ isNullOrUndefined,
+} from '../../utils';
export class JsonFileStorage extends Storage {
private fd: number | null = null;
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,
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,
private checkPerformanceRecordsFile(): void {
if (!this?.fd) {
- throw new Error(
+ throw new BaseError(
`${this.logPrefix} Performance records '${this.dbName}' file descriptor not found`
);
}