Commit | Line | Data |
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edd13439 | 1 | // Copyright Jerome Benoit. 2021-2023. All Rights Reserved. |
c27c3eee | 2 | |
f1c729e0 | 3 | import { closeSync, existsSync, mkdirSync, openSync, writeSync } from 'node:fs'; |
d972af76 | 4 | import { dirname } from 'node:path'; |
8114d10e | 5 | |
c1565026 | 6 | import { Storage } from './Storage'; |
7b5dbe91 | 7 | import { BaseError } from '../../exception'; |
268a74bb | 8 | import { FileType, type Statistics } from '../../types'; |
9bf0ef23 JB |
9 | import { |
10 | AsyncLock, | |
11 | AsyncLockType, | |
12 | Constants, | |
13 | JSONStringifyWithMapSupport, | |
14 | handleFileException, | |
15 | isNullOrUndefined, | |
16 | } from '../../utils'; | |
72f041bd | 17 | |
100a5301 | 18 | export class JsonFileStorage extends Storage { |
f1c729e0 JB |
19 | private static readonly performanceRecords: Map<string, Statistics> = new Map< |
20 | string, | |
21 | Statistics | |
22 | >(); | |
23 | ||
24 | private fd?: number; | |
2a370053 | 25 | |
1f5df42a JB |
26 | constructor(storageUri: string, logPrefix: string) { |
27 | super(storageUri, logPrefix); | |
28 | this.dbName = this.storageUri.pathname; | |
72f041bd JB |
29 | } |
30 | ||
31 | public storePerformanceStatistics(performanceStatistics: Statistics): void { | |
2a370053 | 32 | this.checkPerformanceRecordsFile(); |
dd485b56 | 33 | AsyncLock.acquire(AsyncLockType.performance) |
1227a6f1 | 34 | .then(() => { |
f1c729e0 JB |
35 | JsonFileStorage.performanceRecords.set(performanceStatistics.id, performanceStatistics); |
36 | writeSync( | |
37 | this.fd!, | |
38 | JSONStringifyWithMapSupport([...JsonFileStorage.performanceRecords.values()], 2), | |
39 | 0, | |
40 | 'utf8', | |
41 | ); | |
1227a6f1 JB |
42 | }) |
43 | .catch((error) => { | |
fa5995d6 | 44 | handleFileException( |
1227a6f1 JB |
45 | this.dbName, |
46 | FileType.PerformanceRecords, | |
47 | error as NodeJS.ErrnoException, | |
5edd8ba0 | 48 | this.logPrefix, |
1227a6f1 | 49 | ); |
c63c21bc | 50 | }) |
1227a6f1 | 51 | .finally(() => { |
dd485b56 | 52 | AsyncLock.release(AsyncLockType.performance).catch(Constants.EMPTY_FUNCTION); |
1227a6f1 | 53 | }); |
72f041bd | 54 | } |
b652b0c3 | 55 | |
2a370053 | 56 | public open(): void { |
b652b0c3 | 57 | try { |
9bf0ef23 | 58 | if (isNullOrUndefined(this?.fd)) { |
d972af76 JB |
59 | if (!existsSync(dirname(this.dbName))) { |
60 | mkdirSync(dirname(this.dbName), { recursive: true }); | |
f682b2dc | 61 | } |
f1c729e0 | 62 | this.fd = openSync(this.dbName, 'w+'); |
a6ceb16a | 63 | } |
b652b0c3 | 64 | } catch (error) { |
fa5995d6 | 65 | handleFileException( |
e7aeea18 | 66 | this.dbName, |
7164966d JB |
67 | FileType.PerformanceRecords, |
68 | error as NodeJS.ErrnoException, | |
5edd8ba0 | 69 | this.logPrefix, |
e7aeea18 | 70 | ); |
2a370053 JB |
71 | } |
72 | } | |
73 | ||
74 | public close(): void { | |
75 | try { | |
a6ceb16a | 76 | if (this?.fd) { |
d972af76 | 77 | closeSync(this.fd); |
f1c729e0 | 78 | delete this?.fd; |
2a370053 JB |
79 | } |
80 | } catch (error) { | |
fa5995d6 | 81 | handleFileException( |
e7aeea18 | 82 | this.dbName, |
7164966d JB |
83 | FileType.PerformanceRecords, |
84 | error as NodeJS.ErrnoException, | |
5edd8ba0 | 85 | this.logPrefix, |
e7aeea18 | 86 | ); |
2a370053 JB |
87 | } |
88 | } | |
89 | ||
90 | private checkPerformanceRecordsFile(): void { | |
73d09045 | 91 | if (!this?.fd) { |
7b5dbe91 | 92 | throw new BaseError( |
5edd8ba0 | 93 | `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found`, |
e7aeea18 | 94 | ); |
b652b0c3 JB |
95 | } |
96 | } | |
72f041bd | 97 | } |