| 1 | import { type FSWatcher, readFileSync, watch } from 'node:fs'; |
| 2 | import { dirname, join, resolve } from 'node:path'; |
| 3 | import { fileURLToPath } from 'node:url'; |
| 4 | |
| 5 | import chalk from 'chalk'; |
| 6 | import merge from 'just-merge'; |
| 7 | |
| 8 | import { Constants } from './Constants'; |
| 9 | import { hasOwnProp, isCFEnvironment, isNotEmptyString, isUndefined } from './Utils'; |
| 10 | import { |
| 11 | ApplicationProtocol, |
| 12 | type ConfigurationData, |
| 13 | ConfigurationSection, |
| 14 | FileType, |
| 15 | type LogConfiguration, |
| 16 | type StationTemplateUrl, |
| 17 | type StorageConfiguration, |
| 18 | StorageType, |
| 19 | SupervisionUrlDistribution, |
| 20 | type UIServerConfiguration, |
| 21 | type WorkerConfiguration, |
| 22 | } from '../types'; |
| 23 | import { WorkerConstants, WorkerProcessType } from '../worker'; |
| 24 | |
| 25 | type ConfigurationSectionType = |
| 26 | | LogConfiguration |
| 27 | | StorageConfiguration |
| 28 | | WorkerConfiguration |
| 29 | | UIServerConfiguration; |
| 30 | |
| 31 | export class Configuration { |
| 32 | private static configurationFile = join( |
| 33 | dirname(fileURLToPath(import.meta.url)), |
| 34 | 'assets', |
| 35 | 'config.json', |
| 36 | ); |
| 37 | |
| 38 | private static configurationFileWatcher: FSWatcher | undefined; |
| 39 | private static configurationData: ConfigurationData | null = null; |
| 40 | private static configurationSectionCache = new Map< |
| 41 | ConfigurationSection, |
| 42 | ConfigurationSectionType |
| 43 | >([ |
| 44 | [ConfigurationSection.log, Configuration.buildLogSection()], |
| 45 | [ConfigurationSection.performanceStorage, Configuration.buildPerformanceStorageSection()], |
| 46 | [ConfigurationSection.worker, Configuration.buildWorkerSection()], |
| 47 | [ConfigurationSection.uiServer, Configuration.buildUIServerSection()], |
| 48 | ]); |
| 49 | |
| 50 | private static configurationChangeCallback: () => Promise<void>; |
| 51 | |
| 52 | private constructor() { |
| 53 | // This is intentional |
| 54 | } |
| 55 | |
| 56 | public static setConfigurationChangeCallback(cb: () => Promise<void>): void { |
| 57 | Configuration.configurationChangeCallback = cb; |
| 58 | } |
| 59 | |
| 60 | public static getConfigurationSection<T extends ConfigurationSectionType>( |
| 61 | sectionName: ConfigurationSection, |
| 62 | ): T { |
| 63 | if (!Configuration.configurationSectionCache.has(sectionName)) { |
| 64 | switch (sectionName) { |
| 65 | case ConfigurationSection.log: |
| 66 | Configuration.configurationSectionCache.set(sectionName, Configuration.buildLogSection()); |
| 67 | break; |
| 68 | case ConfigurationSection.performanceStorage: |
| 69 | Configuration.configurationSectionCache.set( |
| 70 | sectionName, |
| 71 | Configuration.buildPerformanceStorageSection(), |
| 72 | ); |
| 73 | break; |
| 74 | case ConfigurationSection.worker: |
| 75 | Configuration.configurationSectionCache.set( |
| 76 | sectionName, |
| 77 | Configuration.buildWorkerSection(), |
| 78 | ); |
| 79 | break; |
| 80 | case ConfigurationSection.uiServer: |
| 81 | Configuration.configurationSectionCache.set( |
| 82 | sectionName, |
| 83 | Configuration.buildUIServerSection(), |
| 84 | ); |
| 85 | break; |
| 86 | default: |
| 87 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions |
| 88 | throw new Error(`Unknown configuration section '${sectionName}'`); |
| 89 | } |
| 90 | } |
| 91 | return Configuration.configurationSectionCache.get(sectionName) as T; |
| 92 | } |
| 93 | |
| 94 | public static getAutoReconnectMaxRetries(): number | undefined { |
| 95 | Configuration.warnDeprecatedConfigurationKey( |
| 96 | 'autoReconnectTimeout', |
| 97 | undefined, |
| 98 | "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead", |
| 99 | ); |
| 100 | Configuration.warnDeprecatedConfigurationKey( |
| 101 | 'connectionTimeout', |
| 102 | undefined, |
| 103 | "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead", |
| 104 | ); |
| 105 | Configuration.warnDeprecatedConfigurationKey( |
| 106 | 'autoReconnectMaxRetries', |
| 107 | undefined, |
| 108 | 'Use it in charging station template instead', |
| 109 | ); |
| 110 | if (hasOwnProp(Configuration.getConfigurationData(), 'autoReconnectMaxRetries')) { |
| 111 | return Configuration.getConfigurationData()?.autoReconnectMaxRetries; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | public static getStationTemplateUrls(): StationTemplateUrl[] | undefined { |
| 116 | Configuration.warnDeprecatedConfigurationKey( |
| 117 | 'stationTemplateURLs', |
| 118 | undefined, |
| 119 | "Use 'stationTemplateUrls' instead", |
| 120 | ); |
| 121 | // eslint-disable-next-line @typescript-eslint/dot-notation |
| 122 | !isUndefined(Configuration.getConfigurationData()!['stationTemplateURLs']) && |
| 123 | (Configuration.getConfigurationData()!.stationTemplateUrls = |
| 124 | Configuration.getConfigurationData()![ |
| 125 | // eslint-disable-next-line @typescript-eslint/dot-notation |
| 126 | 'stationTemplateURLs' |
| 127 | ] as StationTemplateUrl[]); |
| 128 | Configuration.getConfigurationData()!.stationTemplateUrls.forEach( |
| 129 | (stationTemplateUrl: StationTemplateUrl) => { |
| 130 | // eslint-disable-next-line @typescript-eslint/dot-notation |
| 131 | if (!isUndefined(stationTemplateUrl['numberOfStation'])) { |
| 132 | console.error( |
| 133 | `${chalk.green(Configuration.logPrefix())} ${chalk.red( |
| 134 | `Deprecated configuration key 'numberOfStation' usage for template file '${stationTemplateUrl.file}' in 'stationTemplateUrls'. Use 'numberOfStations' instead`, |
| 135 | )}`, |
| 136 | ); |
| 137 | } |
| 138 | }, |
| 139 | ); |
| 140 | return Configuration.getConfigurationData()?.stationTemplateUrls; |
| 141 | } |
| 142 | |
| 143 | public static getSupervisionUrls(): string | string[] | undefined { |
| 144 | Configuration.warnDeprecatedConfigurationKey( |
| 145 | 'supervisionURLs', |
| 146 | undefined, |
| 147 | "Use 'supervisionUrls' instead", |
| 148 | ); |
| 149 | // eslint-disable-next-line @typescript-eslint/dot-notation |
| 150 | if (!isUndefined(Configuration.getConfigurationData()!['supervisionURLs'])) { |
| 151 | Configuration.getConfigurationData()!.supervisionUrls = Configuration.getConfigurationData()![ |
| 152 | // eslint-disable-next-line @typescript-eslint/dot-notation |
| 153 | 'supervisionURLs' |
| 154 | ] as string | string[]; |
| 155 | } |
| 156 | return Configuration.getConfigurationData()?.supervisionUrls; |
| 157 | } |
| 158 | |
| 159 | public static getSupervisionUrlDistribution(): SupervisionUrlDistribution | undefined { |
| 160 | Configuration.warnDeprecatedConfigurationKey( |
| 161 | 'distributeStationToTenantEqually', |
| 162 | undefined, |
| 163 | "Use 'supervisionUrlDistribution' instead", |
| 164 | ); |
| 165 | Configuration.warnDeprecatedConfigurationKey( |
| 166 | 'distributeStationsToTenantsEqually', |
| 167 | undefined, |
| 168 | "Use 'supervisionUrlDistribution' instead", |
| 169 | ); |
| 170 | return hasOwnProp(Configuration.getConfigurationData(), 'supervisionUrlDistribution') |
| 171 | ? Configuration.getConfigurationData()?.supervisionUrlDistribution |
| 172 | : SupervisionUrlDistribution.ROUND_ROBIN; |
| 173 | } |
| 174 | |
| 175 | public static workerPoolInUse(): boolean { |
| 176 | return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes( |
| 177 | Configuration.buildWorkerSection().processType!, |
| 178 | ); |
| 179 | } |
| 180 | |
| 181 | public static workerDynamicPoolInUse(): boolean { |
| 182 | return Configuration.buildWorkerSection().processType === WorkerProcessType.dynamicPool; |
| 183 | } |
| 184 | |
| 185 | private static buildUIServerSection(): UIServerConfiguration { |
| 186 | if (hasOwnProp(Configuration.getConfigurationData(), 'uiWebSocketServer')) { |
| 187 | console.error( |
| 188 | `${chalk.green(Configuration.logPrefix())} ${chalk.red( |
| 189 | `Deprecated configuration section 'uiWebSocketServer' usage. Use '${ConfigurationSection.uiServer}' instead`, |
| 190 | )}`, |
| 191 | ); |
| 192 | } |
| 193 | let uiServerConfiguration: UIServerConfiguration = { |
| 194 | enabled: false, |
| 195 | type: ApplicationProtocol.WS, |
| 196 | options: { |
| 197 | host: Constants.DEFAULT_UI_SERVER_HOST, |
| 198 | port: Constants.DEFAULT_UI_SERVER_PORT, |
| 199 | }, |
| 200 | }; |
| 201 | if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.uiServer)) { |
| 202 | uiServerConfiguration = merge<UIServerConfiguration>( |
| 203 | uiServerConfiguration, |
| 204 | Configuration.getConfigurationData()!.uiServer!, |
| 205 | ); |
| 206 | } |
| 207 | if (isCFEnvironment() === true) { |
| 208 | delete uiServerConfiguration.options?.host; |
| 209 | uiServerConfiguration.options!.port = parseInt(process.env.PORT!); |
| 210 | } |
| 211 | return uiServerConfiguration; |
| 212 | } |
| 213 | |
| 214 | private static buildPerformanceStorageSection(): StorageConfiguration { |
| 215 | Configuration.warnDeprecatedConfigurationKey( |
| 216 | 'URI', |
| 217 | ConfigurationSection.performanceStorage, |
| 218 | "Use 'uri' instead", |
| 219 | ); |
| 220 | let storageConfiguration: StorageConfiguration = { |
| 221 | enabled: false, |
| 222 | type: StorageType.JSON_FILE, |
| 223 | uri: Configuration.getDefaultPerformanceStorageUri(StorageType.JSON_FILE), |
| 224 | }; |
| 225 | if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.performanceStorage)) { |
| 226 | storageConfiguration = { |
| 227 | ...storageConfiguration, |
| 228 | ...Configuration.getConfigurationData()?.performanceStorage, |
| 229 | ...(Configuration.getConfigurationData()?.performanceStorage?.type === |
| 230 | StorageType.JSON_FILE && |
| 231 | Configuration.getConfigurationData()?.performanceStorage?.uri && { |
| 232 | uri: Configuration.buildPerformanceUriFilePath( |
| 233 | new URL(Configuration.getConfigurationData()!.performanceStorage!.uri!).pathname, |
| 234 | ), |
| 235 | }), |
| 236 | }; |
| 237 | } |
| 238 | return storageConfiguration; |
| 239 | } |
| 240 | |
| 241 | private static buildLogSection(): LogConfiguration { |
| 242 | Configuration.warnDeprecatedConfigurationKey( |
| 243 | 'logEnabled', |
| 244 | undefined, |
| 245 | `Use '${ConfigurationSection.log}' section to define the logging enablement instead`, |
| 246 | ); |
| 247 | Configuration.warnDeprecatedConfigurationKey( |
| 248 | 'logFile', |
| 249 | undefined, |
| 250 | `Use '${ConfigurationSection.log}' section to define the log file instead`, |
| 251 | ); |
| 252 | Configuration.warnDeprecatedConfigurationKey( |
| 253 | 'logErrorFile', |
| 254 | undefined, |
| 255 | `Use '${ConfigurationSection.log}' section to define the log error file instead`, |
| 256 | ); |
| 257 | Configuration.warnDeprecatedConfigurationKey( |
| 258 | 'logConsole', |
| 259 | undefined, |
| 260 | `Use '${ConfigurationSection.log}' section to define the console logging enablement instead`, |
| 261 | ); |
| 262 | Configuration.warnDeprecatedConfigurationKey( |
| 263 | 'logStatisticsInterval', |
| 264 | undefined, |
| 265 | `Use '${ConfigurationSection.log}' section to define the log statistics interval instead`, |
| 266 | ); |
| 267 | Configuration.warnDeprecatedConfigurationKey( |
| 268 | 'logLevel', |
| 269 | undefined, |
| 270 | `Use '${ConfigurationSection.log}' section to define the log level instead`, |
| 271 | ); |
| 272 | Configuration.warnDeprecatedConfigurationKey( |
| 273 | 'logFormat', |
| 274 | undefined, |
| 275 | `Use '${ConfigurationSection.log}' section to define the log format instead`, |
| 276 | ); |
| 277 | Configuration.warnDeprecatedConfigurationKey( |
| 278 | 'logRotate', |
| 279 | undefined, |
| 280 | `Use '${ConfigurationSection.log}' section to define the log rotation enablement instead`, |
| 281 | ); |
| 282 | Configuration.warnDeprecatedConfigurationKey( |
| 283 | 'logMaxFiles', |
| 284 | undefined, |
| 285 | `Use '${ConfigurationSection.log}' section to define the log maximum files instead`, |
| 286 | ); |
| 287 | Configuration.warnDeprecatedConfigurationKey( |
| 288 | 'logMaxSize', |
| 289 | undefined, |
| 290 | `Use '${ConfigurationSection.log}' section to define the log maximum size instead`, |
| 291 | ); |
| 292 | const defaultLogConfiguration: LogConfiguration = { |
| 293 | enabled: true, |
| 294 | file: 'logs/combined.log', |
| 295 | errorFile: 'logs/error.log', |
| 296 | statisticsInterval: Constants.DEFAULT_LOG_STATISTICS_INTERVAL, |
| 297 | level: 'info', |
| 298 | format: 'simple', |
| 299 | rotate: true, |
| 300 | }; |
| 301 | const deprecatedLogConfiguration: LogConfiguration = { |
| 302 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logEnabled') && { |
| 303 | enabled: Configuration.getConfigurationData()?.logEnabled, |
| 304 | }), |
| 305 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logFile') && { |
| 306 | file: Configuration.getConfigurationData()?.logFile, |
| 307 | }), |
| 308 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logErrorFile') && { |
| 309 | errorFile: Configuration.getConfigurationData()?.logErrorFile, |
| 310 | }), |
| 311 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logStatisticsInterval') && { |
| 312 | statisticsInterval: Configuration.getConfigurationData()?.logStatisticsInterval, |
| 313 | }), |
| 314 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logLevel') && { |
| 315 | level: Configuration.getConfigurationData()?.logLevel, |
| 316 | }), |
| 317 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logConsole') && { |
| 318 | console: Configuration.getConfigurationData()?.logConsole, |
| 319 | }), |
| 320 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logFormat') && { |
| 321 | format: Configuration.getConfigurationData()?.logFormat, |
| 322 | }), |
| 323 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logRotate') && { |
| 324 | rotate: Configuration.getConfigurationData()?.logRotate, |
| 325 | }), |
| 326 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxFiles') && { |
| 327 | maxFiles: Configuration.getConfigurationData()?.logMaxFiles, |
| 328 | }), |
| 329 | ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxSize') && { |
| 330 | maxSize: Configuration.getConfigurationData()?.logMaxSize, |
| 331 | }), |
| 332 | }; |
| 333 | const logConfiguration: LogConfiguration = { |
| 334 | ...defaultLogConfiguration, |
| 335 | ...deprecatedLogConfiguration, |
| 336 | ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.log) && |
| 337 | Configuration.getConfigurationData()?.log), |
| 338 | }; |
| 339 | return logConfiguration; |
| 340 | } |
| 341 | |
| 342 | private static buildWorkerSection(): WorkerConfiguration { |
| 343 | Configuration.warnDeprecatedConfigurationKey( |
| 344 | 'useWorkerPool', |
| 345 | undefined, |
| 346 | `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`, |
| 347 | ); |
| 348 | Configuration.warnDeprecatedConfigurationKey( |
| 349 | 'workerProcess', |
| 350 | undefined, |
| 351 | `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`, |
| 352 | ); |
| 353 | Configuration.warnDeprecatedConfigurationKey( |
| 354 | 'workerStartDelay', |
| 355 | undefined, |
| 356 | `Use '${ConfigurationSection.worker}' section to define the worker start delay instead`, |
| 357 | ); |
| 358 | Configuration.warnDeprecatedConfigurationKey( |
| 359 | 'chargingStationsPerWorker', |
| 360 | undefined, |
| 361 | `Use '${ConfigurationSection.worker}' section to define the number of element(s) per worker instead`, |
| 362 | ); |
| 363 | Configuration.warnDeprecatedConfigurationKey( |
| 364 | 'elementStartDelay', |
| 365 | undefined, |
| 366 | `Use '${ConfigurationSection.worker}' section to define the worker's element start delay instead`, |
| 367 | ); |
| 368 | Configuration.warnDeprecatedConfigurationKey( |
| 369 | 'workerPoolMinSize', |
| 370 | undefined, |
| 371 | `Use '${ConfigurationSection.worker}' section to define the worker pool minimum size instead`, |
| 372 | ); |
| 373 | Configuration.warnDeprecatedConfigurationKey( |
| 374 | 'workerPoolSize;', |
| 375 | undefined, |
| 376 | `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`, |
| 377 | ); |
| 378 | Configuration.warnDeprecatedConfigurationKey( |
| 379 | 'workerPoolMaxSize;', |
| 380 | undefined, |
| 381 | `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`, |
| 382 | ); |
| 383 | Configuration.warnDeprecatedConfigurationKey( |
| 384 | 'workerPoolStrategy;', |
| 385 | undefined, |
| 386 | `Use '${ConfigurationSection.worker}' section to define the worker pool strategy instead`, |
| 387 | ); |
| 388 | const defaultWorkerConfiguration: WorkerConfiguration = { |
| 389 | processType: WorkerProcessType.workerSet, |
| 390 | startDelay: WorkerConstants.DEFAULT_WORKER_START_DELAY, |
| 391 | elementsPerWorker: 'auto', |
| 392 | elementStartDelay: WorkerConstants.DEFAULT_ELEMENT_START_DELAY, |
| 393 | poolMinSize: WorkerConstants.DEFAULT_POOL_MIN_SIZE, |
| 394 | poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE, |
| 395 | }; |
| 396 | hasOwnProp(Configuration.getConfigurationData(), 'workerPoolStrategy') && |
| 397 | delete Configuration.getConfigurationData()?.workerPoolStrategy; |
| 398 | const deprecatedWorkerConfiguration: WorkerConfiguration = { |
| 399 | ...(hasOwnProp(Configuration.getConfigurationData(), 'workerProcess') && { |
| 400 | processType: Configuration.getConfigurationData()?.workerProcess, |
| 401 | }), |
| 402 | ...(hasOwnProp(Configuration.getConfigurationData(), 'workerStartDelay') && { |
| 403 | startDelay: Configuration.getConfigurationData()?.workerStartDelay, |
| 404 | }), |
| 405 | ...(hasOwnProp(Configuration.getConfigurationData(), 'chargingStationsPerWorker') && { |
| 406 | elementsPerWorker: Configuration.getConfigurationData()?.chargingStationsPerWorker, |
| 407 | }), |
| 408 | ...(hasOwnProp(Configuration.getConfigurationData(), 'elementStartDelay') && { |
| 409 | elementStartDelay: Configuration.getConfigurationData()?.elementStartDelay, |
| 410 | }), |
| 411 | ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMinSize') && { |
| 412 | poolMinSize: Configuration.getConfigurationData()?.workerPoolMinSize, |
| 413 | }), |
| 414 | ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMaxSize') && { |
| 415 | poolMaxSize: Configuration.getConfigurationData()?.workerPoolMaxSize, |
| 416 | }), |
| 417 | }; |
| 418 | Configuration.warnDeprecatedConfigurationKey( |
| 419 | 'poolStrategy', |
| 420 | ConfigurationSection.worker, |
| 421 | 'Not publicly exposed to end users', |
| 422 | ); |
| 423 | const workerConfiguration: WorkerConfiguration = { |
| 424 | ...defaultWorkerConfiguration, |
| 425 | ...deprecatedWorkerConfiguration, |
| 426 | ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.worker) && |
| 427 | Configuration.getConfigurationData()?.worker), |
| 428 | }; |
| 429 | if (!Object.values(WorkerProcessType).includes(workerConfiguration.processType!)) { |
| 430 | throw new SyntaxError( |
| 431 | `Invalid worker process type '${workerConfiguration.processType}' defined in configuration`, |
| 432 | ); |
| 433 | } |
| 434 | return workerConfiguration; |
| 435 | } |
| 436 | |
| 437 | private static logPrefix = (): string => { |
| 438 | return `${new Date().toLocaleString()} Simulator configuration |`; |
| 439 | }; |
| 440 | |
| 441 | private static warnDeprecatedConfigurationKey( |
| 442 | key: string, |
| 443 | sectionName?: string, |
| 444 | logMsgToAppend = '', |
| 445 | ) { |
| 446 | if ( |
| 447 | sectionName && |
| 448 | !isUndefined(Configuration.getConfigurationData()![sectionName]) && |
| 449 | !isUndefined( |
| 450 | (Configuration.getConfigurationData()![sectionName] as Record<string, unknown>)[key], |
| 451 | ) |
| 452 | ) { |
| 453 | console.error( |
| 454 | `${chalk.green(Configuration.logPrefix())} ${chalk.red( |
| 455 | `Deprecated configuration key '${key}' usage in section '${sectionName}'${ |
| 456 | logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : '' |
| 457 | }`, |
| 458 | )}`, |
| 459 | ); |
| 460 | } else if (!isUndefined(Configuration.getConfigurationData()![key])) { |
| 461 | console.error( |
| 462 | `${chalk.green(Configuration.logPrefix())} ${chalk.red( |
| 463 | `Deprecated configuration key '${key}' usage${ |
| 464 | logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : '' |
| 465 | }`, |
| 466 | )}`, |
| 467 | ); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | private static getConfigurationData(): ConfigurationData | null { |
| 472 | if (!Configuration.configurationData) { |
| 473 | try { |
| 474 | Configuration.configurationData = JSON.parse( |
| 475 | readFileSync(Configuration.configurationFile, 'utf8'), |
| 476 | ) as ConfigurationData; |
| 477 | } catch (error) { |
| 478 | Configuration.handleFileException( |
| 479 | Configuration.configurationFile, |
| 480 | FileType.Configuration, |
| 481 | error as NodeJS.ErrnoException, |
| 482 | Configuration.logPrefix(), |
| 483 | ); |
| 484 | } |
| 485 | if (!Configuration.configurationFileWatcher) { |
| 486 | Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher(); |
| 487 | } |
| 488 | } |
| 489 | return Configuration.configurationData; |
| 490 | } |
| 491 | |
| 492 | private static getConfigurationFileWatcher(): FSWatcher | undefined { |
| 493 | try { |
| 494 | return watch(Configuration.configurationFile, (event, filename): void => { |
| 495 | if (filename!.trim()!.length > 0 && event === 'change') { |
| 496 | // Nullify to force configuration file reading |
| 497 | Configuration.configurationData = null; |
| 498 | Configuration.configurationSectionCache.clear(); |
| 499 | if (!isUndefined(Configuration.configurationChangeCallback)) { |
| 500 | Configuration.configurationChangeCallback().catch((error) => { |
| 501 | throw typeof error === 'string' ? new Error(error) : error; |
| 502 | }); |
| 503 | } |
| 504 | } |
| 505 | }); |
| 506 | } catch (error) { |
| 507 | Configuration.handleFileException( |
| 508 | Configuration.configurationFile, |
| 509 | FileType.Configuration, |
| 510 | error as NodeJS.ErrnoException, |
| 511 | Configuration.logPrefix(), |
| 512 | ); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | private static handleFileException( |
| 517 | file: string, |
| 518 | fileType: FileType, |
| 519 | error: NodeJS.ErrnoException, |
| 520 | logPrefix: string, |
| 521 | ): void { |
| 522 | const prefix = isNotEmptyString(logPrefix) ? `${logPrefix} ` : ''; |
| 523 | let logMsg: string; |
| 524 | switch (error.code) { |
| 525 | case 'ENOENT': |
| 526 | logMsg = `${fileType} file ${file} not found:`; |
| 527 | break; |
| 528 | case 'EEXIST': |
| 529 | logMsg = `${fileType} file ${file} already exists:`; |
| 530 | break; |
| 531 | case 'EACCES': |
| 532 | logMsg = `${fileType} file ${file} access denied:`; |
| 533 | break; |
| 534 | case 'EPERM': |
| 535 | logMsg = `${fileType} file ${file} permission denied:`; |
| 536 | break; |
| 537 | default: |
| 538 | logMsg = `${fileType} file ${file} error:`; |
| 539 | } |
| 540 | console.error(`${chalk.green(prefix)}${chalk.red(`${logMsg} `)}`, error); |
| 541 | throw error; |
| 542 | } |
| 543 | |
| 544 | private static getDefaultPerformanceStorageUri(storageType: StorageType) { |
| 545 | switch (storageType) { |
| 546 | case StorageType.JSON_FILE: |
| 547 | return Configuration.buildPerformanceUriFilePath( |
| 548 | `${Constants.DEFAULT_PERFORMANCE_DIRECTORY}/${Constants.DEFAULT_PERFORMANCE_RECORDS_FILENAME}`, |
| 549 | ); |
| 550 | case StorageType.SQLITE: |
| 551 | return Configuration.buildPerformanceUriFilePath( |
| 552 | `${Constants.DEFAULT_PERFORMANCE_DIRECTORY}/${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`, |
| 553 | ); |
| 554 | default: |
| 555 | throw new Error(`Performance storage URI is mandatory with storage type '${storageType}'`); |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | private static buildPerformanceUriFilePath(file: string) { |
| 560 | return `file://${join(resolve(dirname(fileURLToPath(import.meta.url)), '../'), file)}`; |
| 561 | } |
| 562 | } |