1 import ConfigurationData
, { StationTemplateURL
, StorageConfiguration
} from
'../types/ConfigurationData';
3 import Constants from
'./Constants';
4 import { StorageType
} from
'../types/Storage';
5 import type { WorkerChoiceStrategy
} from
'poolifier';
6 import { WorkerProcessType
} from
'../types/Worker';
8 import path from
'path';
10 export default class Configuration
{
11 private static configurationFilePath
= path
.join(path
.resolve(__dirname
, '../'), 'assets', 'config.json');
12 private static configurationFileWatcher
: fs
.FSWatcher
;
13 private static configuration
: ConfigurationData
| null = null;
14 private static configurationChangeCallback
: () => Promise
<void>;
16 static setConfigurationChangeCallback(cb
: () => Promise
<void>): void {
17 Configuration
.configurationChangeCallback
= cb
;
20 static getLogStatisticsInterval(): number {
21 Configuration
.deprecateConfigurationKey('statisticsDisplayInterval', 'Use \'logStatisticsInterval\' instead');
23 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logStatisticsInterval') ? Configuration
.getConfig().logStatisticsInterval
: 60;
26 static getPerformanceStorage(): StorageConfiguration
{
27 let storageConfiguration
: StorageConfiguration
;
28 if (Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'performanceStorage')) {
29 storageConfiguration
=
31 ...Configuration
.objectHasOwnProperty(Configuration
.getConfig().performanceStorage
, 'enabled') ? { enabled
: Configuration
.getConfig().performanceStorage
.enabled
} : { enabled
: false },
32 ...Configuration
.objectHasOwnProperty(Configuration
.getConfig().performanceStorage
, 'type') ? { type: Configuration
.getConfig().performanceStorage
.type } : { type: StorageType
.JSON_FILE
},
33 ...Configuration
.objectHasOwnProperty(Configuration
.getConfig().performanceStorage
, 'URI') ? { URI
: Configuration
.getConfig().performanceStorage
.URI
} : { URI
: 'file:///performanceMeasurements.json' }
36 storageConfiguration
=
39 type: StorageType
.JSON_FILE
,
40 URI
: 'file:///performanceMeasurements.json'
43 return storageConfiguration
;
46 static getAutoReconnectMaxRetries(): number {
47 Configuration
.deprecateConfigurationKey('autoReconnectTimeout', 'Use \'ConnectionTimeOut\' OCPP parameter in charging station template instead');
48 Configuration
.deprecateConfigurationKey('connectionTimeout', 'Use \'ConnectionTimeOut\' OCPP parameter in charging station template instead');
49 Configuration
.deprecateConfigurationKey('autoReconnectMaxRetries', 'Use it in charging station template instead');
51 if (Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'autoReconnectMaxRetries')) {
52 return Configuration
.getConfig().autoReconnectMaxRetries
;
56 static getStationTemplateURLs(): StationTemplateURL
[] {
57 Configuration
.getConfig().stationTemplateURLs
.forEach((stationURL
: StationTemplateURL
) => {
58 if (!Configuration
.isUndefined(stationURL
['numberOfStation'])) {
59 console
.error(`${Configuration.logPrefix()} Deprecated configuration key 'numberOfStation' usage for template file '${stationURL.file}' in 'stationTemplateURLs'. Use 'numberOfStations' instead`);
63 return Configuration
.getConfig().stationTemplateURLs
;
66 static getWorkerProcess(): WorkerProcessType
{
67 Configuration
.deprecateConfigurationKey('useWorkerPool;', 'Use \'workerProcess\' to define the type of worker process to use instead');
68 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'workerProcess') ? Configuration
.getConfig().workerProcess
: WorkerProcessType
.WORKER_SET
;
71 static getWorkerStartDelay(): number {
72 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'workerStartDelay') ? Configuration
.getConfig().workerStartDelay
: Constants
.WORKER_START_DELAY
;
75 static getWorkerPoolMinSize(): number {
76 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'workerPoolMinSize') ? Configuration
.getConfig().workerPoolMinSize
: Constants
.DEFAULT_WORKER_POOL_MIN_SIZE
;
79 static getWorkerPoolMaxSize(): number {
80 Configuration
.deprecateConfigurationKey('workerPoolSize;', 'Use \'workerPoolMaxSize\' instead');
81 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'workerPoolMaxSize') ? Configuration
.getConfig().workerPoolMaxSize
: Constants
.DEFAULT_WORKER_POOL_MAX_SIZE
;
84 static getWorkerPoolStrategy(): WorkerChoiceStrategy
{
85 return Configuration
.getConfig().workerPoolStrategy
;
88 static getChargingStationsPerWorker(): number {
89 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'chargingStationsPerWorker') ? Configuration
.getConfig().chargingStationsPerWorker
: Constants
.DEFAULT_CHARGING_STATIONS_PER_WORKER
;
92 static getLogConsole(): boolean {
93 Configuration
.deprecateConfigurationKey('consoleLog', 'Use \'logConsole\' instead');
94 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logConsole') ? Configuration
.getConfig().logConsole
: false;
97 static getLogFormat(): string {
98 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logFormat') ? Configuration
.getConfig().logFormat
: 'simple';
101 static getLogRotate(): boolean {
102 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logRotate') ? Configuration
.getConfig().logRotate
: true;
105 static getLogMaxFiles(): number {
106 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logMaxFiles') ? Configuration
.getConfig().logMaxFiles
: 7;
109 static getLogLevel(): string {
110 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logLevel') ? Configuration
.getConfig().logLevel
: 'info';
113 static getLogFile(): string {
114 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logFile') ? Configuration
.getConfig().logFile
: 'combined.log';
117 static getLogErrorFile(): string {
118 Configuration
.deprecateConfigurationKey('errorFile', 'Use \'logErrorFile\' instead');
119 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'logErrorFile') ? Configuration
.getConfig().logErrorFile
: 'error.log';
122 static getSupervisionURLs(): string[] {
124 return Configuration
.getConfig().supervisionURLs
;
127 static getDistributeStationsToTenantsEqually(): boolean {
128 Configuration
.deprecateConfigurationKey('distributeStationToTenantEqually', 'Use \'distributeStationsToTenantsEqually\' instead');
129 return Configuration
.objectHasOwnProperty(Configuration
.getConfig(), 'distributeStationsToTenantsEqually') ? Configuration
.getConfig().distributeStationsToTenantsEqually
: true;
132 private static logPrefix(): string {
133 return new Date().toLocaleString() + ' Simulator configuration |';
136 private static deprecateConfigurationKey(key
: string, logMsgToAppend
= '') {
137 if (!Configuration
.isUndefined(Configuration
.getConfig()[key
])) {
138 console
.error(`${Configuration.logPrefix()} Deprecated configuration key '${key}' usage${logMsgToAppend && '. ' + logMsgToAppend}`);
142 // Read the config file
143 private static getConfig(): ConfigurationData
{
144 if (!Configuration
.configuration
) {
146 Configuration
.configuration
= JSON
.parse(fs
.readFileSync(Configuration
.configurationFilePath
, 'utf8')) as ConfigurationData
;
148 Configuration
.handleFileException(Configuration
.logPrefix(), 'Configuration', Configuration
.configurationFilePath
, error
);
150 if (!Configuration
.configurationFileWatcher
) {
151 Configuration
.configurationFileWatcher
= Configuration
.getConfigurationFileWatcher();
154 return Configuration
.configuration
;
157 private static getConfigurationFileWatcher(): fs
.FSWatcher
{
159 // eslint-disable-next-line @typescript-eslint/no-misused-promises
160 return fs
.watch(Configuration
.configurationFilePath
).on('change', async (): Promise
<void> => {
161 // Nullify to force configuration file reading
162 Configuration
.configuration
= null;
163 if (!Configuration
.isUndefined(Configuration
.configurationChangeCallback
)) {
164 await Configuration
.configurationChangeCallback();
168 Configuration
.handleFileException(Configuration
.logPrefix(), 'Configuration', Configuration
.configurationFilePath
, error
);
172 private static objectHasOwnProperty(object
: any, property
: string): boolean {
173 return Object.prototype
.hasOwnProperty
.call(object
, property
) as boolean;
176 private static isUndefined(obj
: any): boolean {
177 return typeof obj
=== 'undefined';
180 private static handleFileException(logPrefix
: string, fileType
: string, filePath
: string, error
: NodeJS
.ErrnoException
): void {
181 const prefix
= logPrefix
.length
!== 0 ? logPrefix
+ ' ' : '';
182 if (error
.code
=== 'ENOENT') {
183 console
.error(prefix
+ fileType
+ ' file ' + filePath
+ ' not found: ', error
);
184 } else if (error
.code
=== 'EEXIST') {
185 console
.error(prefix
+ fileType
+ ' file ' + filePath
+ ' already exists: ', error
);
186 } else if (error
.code
=== 'EACCES') {
187 console
.error(prefix
+ fileType
+ ' file ' + filePath
+ ' access denied: ', error
);
189 console
.error(prefix
+ fileType
+ ' file ' + filePath
+ ' error: ', error
);