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17ac262c JB |
1 | import { ChargingProfile, ChargingSchedulePeriod } from '../types/ocpp/ChargingProfile'; |
2 | import { ChargingProfileKindType, RecurrencyKindType } from '../types/ocpp/1.6/ChargingProfile'; | |
492cf6ab JB |
3 | import ChargingStationTemplate, { |
4 | AmpereUnits, | |
5 | CurrentType, | |
6 | Voltage, | |
7 | } from '../types/ChargingStationTemplate'; | |
8 | import { MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues'; | |
17ac262c JB |
9 | |
10 | import { BootNotificationRequest } from '../types/ocpp/Requests'; | |
492cf6ab JB |
11 | import ChargingStation from './ChargingStation'; |
12 | import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils'; | |
17ac262c JB |
13 | import ChargingStationInfo from '../types/ChargingStationInfo'; |
14 | import Configuration from '../utils/Configuration'; | |
15 | import Constants from '../utils/Constants'; | |
492cf6ab JB |
16 | import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates'; |
17 | import { StandardParametersKey } from '../types/ocpp/Configuration'; | |
17ac262c JB |
18 | import Utils from '../utils/Utils'; |
19 | import { WebSocketCloseEventStatusString } from '../types/WebSocket'; | |
20 | import { WorkerProcessType } from '../types/Worker'; | |
21 | import crypto from 'crypto'; | |
22 | import logger from '../utils/Logger'; | |
23 | import moment from 'moment'; | |
24 | ||
25 | export class ChargingStationUtils { | |
26 | public static getChargingStationId( | |
27 | index: number, | |
28 | stationTemplate: ChargingStationTemplate | |
29 | ): string { | |
30 | // In case of multiple instances: add instance index to charging station id | |
31 | const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0; | |
32 | const idSuffix = stationTemplate.nameSuffix ?? ''; | |
33 | const idStr = '000000000' + index.toString(); | |
ccb1d6e9 | 34 | return stationTemplate?.fixedName |
17ac262c JB |
35 | ? stationTemplate.baseName |
36 | : stationTemplate.baseName + | |
37 | '-' + | |
38 | instanceIndex.toString() + | |
39 | idStr.substring(idStr.length - 4) + | |
40 | idSuffix; | |
41 | } | |
42 | ||
43 | public static getHashId(stationInfo: ChargingStationInfo): string { | |
44 | const hashBootNotificationRequest = { | |
45 | chargePointModel: stationInfo.chargePointModel, | |
46 | chargePointVendor: stationInfo.chargePointVendor, | |
47 | ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumberPrefix) && { | |
48 | chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumberPrefix, | |
49 | }), | |
50 | ...(!Utils.isUndefined(stationInfo.chargePointSerialNumberPrefix) && { | |
51 | chargePointSerialNumber: stationInfo.chargePointSerialNumberPrefix, | |
52 | }), | |
53 | ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { | |
54 | firmwareVersion: stationInfo.firmwareVersion, | |
55 | }), | |
56 | ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), | |
57 | ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), | |
58 | ...(!Utils.isUndefined(stationInfo.meterSerialNumberPrefix) && { | |
59 | meterSerialNumber: stationInfo.meterSerialNumberPrefix, | |
60 | }), | |
61 | ...(!Utils.isUndefined(stationInfo.meterType) && { | |
62 | meterType: stationInfo.meterType, | |
63 | }), | |
64 | }; | |
65 | return crypto | |
66 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) | |
67 | .update(JSON.stringify(hashBootNotificationRequest) + stationInfo.chargingStationId) | |
68 | .digest('hex'); | |
69 | } | |
70 | ||
71 | public static createBootNotificationRequest( | |
72 | stationInfo: ChargingStationInfo | |
73 | ): BootNotificationRequest { | |
74 | return { | |
75 | chargePointModel: stationInfo.chargePointModel, | |
76 | chargePointVendor: stationInfo.chargePointVendor, | |
77 | ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && { | |
78 | chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumber, | |
79 | }), | |
80 | ...(!Utils.isUndefined(stationInfo.chargePointSerialNumber) && { | |
81 | chargePointSerialNumber: stationInfo.chargePointSerialNumber, | |
82 | }), | |
83 | ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { | |
84 | firmwareVersion: stationInfo.firmwareVersion, | |
85 | }), | |
86 | ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), | |
87 | ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), | |
88 | ...(!Utils.isUndefined(stationInfo.meterSerialNumber) && { | |
89 | meterSerialNumber: stationInfo.meterSerialNumber, | |
90 | }), | |
91 | ...(!Utils.isUndefined(stationInfo.meterType) && { | |
92 | meterType: stationInfo.meterType, | |
93 | }), | |
94 | }; | |
95 | } | |
96 | ||
97 | public static workerPoolInUse(): boolean { | |
98 | return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes( | |
99 | Configuration.getWorkerProcess() | |
100 | ); | |
101 | } | |
102 | ||
103 | public static workerDynamicPoolInUse(): boolean { | |
104 | return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL; | |
105 | } | |
106 | ||
107 | /** | |
108 | * Convert websocket error code to human readable string message | |
109 | * | |
110 | * @param code websocket error code | |
111 | * @returns human readable string message | |
112 | */ | |
113 | public static getWebSocketCloseEventStatusString(code: number): string { | |
114 | if (code >= 0 && code <= 999) { | |
115 | return '(Unused)'; | |
116 | } else if (code >= 1016) { | |
117 | if (code <= 1999) { | |
118 | return '(For WebSocket standard)'; | |
119 | } else if (code <= 2999) { | |
120 | return '(For WebSocket extensions)'; | |
121 | } else if (code <= 3999) { | |
122 | return '(For libraries and frameworks)'; | |
123 | } else if (code <= 4999) { | |
124 | return '(For applications)'; | |
125 | } | |
126 | } | |
127 | if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) { | |
128 | return WebSocketCloseEventStatusString[code] as string; | |
129 | } | |
130 | return '(Unknown)'; | |
131 | } | |
132 | ||
133 | public static warnDeprecatedTemplateKey( | |
134 | template: ChargingStationTemplate, | |
135 | key: string, | |
136 | templateFile: string, | |
137 | logPrefix: string, | |
138 | logMsgToAppend = '' | |
139 | ): void { | |
140 | if (!Utils.isUndefined(template[key])) { | |
17ac262c JB |
141 | logger.warn( |
142 | `${logPrefix} Deprecated template key '${key}' usage in file '${templateFile}'${ | |
143 | logMsgToAppend && '. ' + logMsgToAppend | |
144 | }` | |
145 | ); | |
146 | } | |
147 | } | |
148 | ||
149 | public static convertDeprecatedTemplateKey( | |
150 | template: ChargingStationTemplate, | |
151 | deprecatedKey: string, | |
152 | key: string | |
153 | ): void { | |
154 | if (!Utils.isUndefined(template[deprecatedKey])) { | |
155 | template[key] = template[deprecatedKey] as unknown; | |
156 | delete template[deprecatedKey]; | |
157 | } | |
158 | } | |
159 | ||
160 | public static createStationInfoHash(stationInfo: ChargingStationInfo): ChargingStationInfo { | |
ccb1d6e9 JB |
161 | const previousInfoHash = stationInfo?.infoHash ?? ''; |
162 | delete stationInfo.infoHash; | |
163 | const currentInfoHash = crypto | |
164 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) | |
165 | .update(JSON.stringify(stationInfo)) | |
166 | .digest('hex'); | |
167 | if ( | |
168 | Utils.isEmptyString(previousInfoHash) || | |
169 | (!Utils.isEmptyString(previousInfoHash) && currentInfoHash !== previousInfoHash) | |
170 | ) { | |
171 | stationInfo.infoHash = currentInfoHash; | |
172 | } else { | |
173 | stationInfo.infoHash = previousInfoHash; | |
17ac262c JB |
174 | } |
175 | return stationInfo; | |
176 | } | |
177 | ||
178 | public static createSerialNumber( | |
179 | stationInfo: ChargingStationInfo, | |
ccb1d6e9 | 180 | existingStationInfo?: ChargingStationInfo | null, |
17ac262c JB |
181 | params: { randomSerialNumberUpperCase?: boolean; randomSerialNumber?: boolean } = { |
182 | randomSerialNumberUpperCase: true, | |
183 | randomSerialNumber: true, | |
184 | } | |
185 | ): void { | |
186 | params = params ?? {}; | |
187 | params.randomSerialNumberUpperCase = params?.randomSerialNumberUpperCase ?? true; | |
188 | params.randomSerialNumber = params?.randomSerialNumber ?? true; | |
ccb1d6e9 | 189 | if (existingStationInfo) { |
17ac262c JB |
190 | existingStationInfo?.chargePointSerialNumber && |
191 | (stationInfo.chargePointSerialNumber = existingStationInfo.chargePointSerialNumber); | |
192 | existingStationInfo?.chargeBoxSerialNumber && | |
193 | (stationInfo.chargeBoxSerialNumber = existingStationInfo.chargeBoxSerialNumber); | |
194 | existingStationInfo?.meterSerialNumber && | |
195 | (stationInfo.meterSerialNumber = existingStationInfo.meterSerialNumber); | |
196 | } else { | |
197 | const serialNumberSuffix = params?.randomSerialNumber | |
198 | ? ChargingStationUtils.getRandomSerialNumberSuffix({ | |
199 | upperCase: params.randomSerialNumberUpperCase, | |
200 | }) | |
201 | : ''; | |
202 | stationInfo.chargePointSerialNumber = | |
203 | stationInfo?.chargePointSerialNumberPrefix && | |
204 | stationInfo.chargePointSerialNumberPrefix + serialNumberSuffix; | |
205 | stationInfo.chargeBoxSerialNumber = | |
206 | stationInfo?.chargeBoxSerialNumberPrefix && | |
207 | stationInfo.chargeBoxSerialNumberPrefix + serialNumberSuffix; | |
208 | stationInfo.meterSerialNumber = | |
209 | stationInfo?.meterSerialNumberPrefix && | |
210 | stationInfo.meterSerialNumberPrefix + serialNumberSuffix; | |
211 | } | |
212 | } | |
213 | ||
214 | public static getAmperageLimitationUnitDivider(stationInfo: ChargingStationInfo): number { | |
215 | let unitDivider = 1; | |
216 | switch (stationInfo.amperageLimitationUnit) { | |
217 | case AmpereUnits.DECI_AMPERE: | |
218 | unitDivider = 10; | |
219 | break; | |
220 | case AmpereUnits.CENTI_AMPERE: | |
221 | unitDivider = 100; | |
222 | break; | |
223 | case AmpereUnits.MILLI_AMPERE: | |
224 | unitDivider = 1000; | |
225 | break; | |
226 | } | |
227 | return unitDivider; | |
228 | } | |
229 | ||
230 | /** | |
231 | * Charging profiles should already be sorted by connectorId and stack level (highest stack level has priority) | |
232 | * | |
233 | * @param {ChargingProfile[]} chargingProfiles | |
234 | * @param {string} logPrefix | |
235 | * @returns {{ limit, matchingChargingProfile }} | |
236 | */ | |
237 | public static getLimitFromChargingProfiles( | |
238 | chargingProfiles: ChargingProfile[], | |
239 | logPrefix: string | |
240 | ): { | |
241 | limit: number; | |
242 | matchingChargingProfile: ChargingProfile; | |
243 | } | null { | |
244 | for (const chargingProfile of chargingProfiles) { | |
245 | // Set helpers | |
246 | const currentMoment = moment(); | |
247 | const chargingSchedule = chargingProfile.chargingSchedule; | |
248 | // Check type (recurring) and if it is already active | |
249 | // Adjust the daily recurring schedule to today | |
250 | if ( | |
251 | chargingProfile.chargingProfileKind === ChargingProfileKindType.RECURRING && | |
252 | chargingProfile.recurrencyKind === RecurrencyKindType.DAILY && | |
253 | currentMoment.isAfter(chargingSchedule.startSchedule) | |
254 | ) { | |
255 | const currentDate = new Date(); | |
256 | chargingSchedule.startSchedule = new Date(chargingSchedule.startSchedule); | |
257 | chargingSchedule.startSchedule.setFullYear( | |
258 | currentDate.getFullYear(), | |
259 | currentDate.getMonth(), | |
260 | currentDate.getDate() | |
261 | ); | |
262 | // Check if the start of the schedule is yesterday | |
263 | if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { | |
264 | chargingSchedule.startSchedule.setDate(currentDate.getDate() - 1); | |
265 | } | |
266 | } else if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { | |
267 | return null; | |
268 | } | |
269 | // Check if the charging profile is active | |
270 | if ( | |
271 | moment(chargingSchedule.startSchedule) | |
272 | .add(chargingSchedule.duration, 's') | |
273 | .isAfter(currentMoment) | |
274 | ) { | |
275 | let lastButOneSchedule: ChargingSchedulePeriod; | |
276 | // Search the right schedule period | |
277 | for (const schedulePeriod of chargingSchedule.chargingSchedulePeriod) { | |
278 | // Handling of only one period | |
279 | if ( | |
280 | chargingSchedule.chargingSchedulePeriod.length === 1 && | |
281 | schedulePeriod.startPeriod === 0 | |
282 | ) { | |
283 | const result = { | |
284 | limit: schedulePeriod.limit, | |
285 | matchingChargingProfile: chargingProfile, | |
286 | }; | |
287 | logger.debug( | |
288 | `${logPrefix} Matching charging profile found for power limitation: %j`, | |
289 | result | |
290 | ); | |
291 | return result; | |
292 | } | |
293 | // Find the right schedule period | |
294 | if ( | |
295 | moment(chargingSchedule.startSchedule) | |
296 | .add(schedulePeriod.startPeriod, 's') | |
297 | .isAfter(currentMoment) | |
298 | ) { | |
299 | // Found the schedule: last but one is the correct one | |
300 | const result = { | |
301 | limit: lastButOneSchedule.limit, | |
302 | matchingChargingProfile: chargingProfile, | |
303 | }; | |
304 | logger.debug( | |
305 | `${logPrefix} Matching charging profile found for power limitation: %j`, | |
306 | result | |
307 | ); | |
308 | return result; | |
309 | } | |
310 | // Keep it | |
311 | lastButOneSchedule = schedulePeriod; | |
312 | // Handle the last schedule period | |
313 | if ( | |
314 | schedulePeriod.startPeriod === | |
315 | chargingSchedule.chargingSchedulePeriod[ | |
316 | chargingSchedule.chargingSchedulePeriod.length - 1 | |
317 | ].startPeriod | |
318 | ) { | |
319 | const result = { | |
320 | limit: lastButOneSchedule.limit, | |
321 | matchingChargingProfile: chargingProfile, | |
322 | }; | |
323 | logger.debug( | |
324 | `${logPrefix} Matching charging profile found for power limitation: %j`, | |
325 | result | |
326 | ); | |
327 | return result; | |
328 | } | |
329 | } | |
330 | } | |
331 | } | |
332 | return null; | |
333 | } | |
334 | ||
492cf6ab JB |
335 | public static getDefaultVoltageOut( |
336 | currentType: CurrentType, | |
337 | templateFile: string, | |
338 | logPrefix: string | |
339 | ): Voltage { | |
340 | const errMsg = `${logPrefix} Unknown ${currentType} currentOutType in template file ${templateFile}, cannot define default voltage out`; | |
341 | let defaultVoltageOut: number; | |
342 | switch (currentType) { | |
343 | case CurrentType.AC: | |
344 | defaultVoltageOut = Voltage.VOLTAGE_230; | |
345 | break; | |
346 | case CurrentType.DC: | |
347 | defaultVoltageOut = Voltage.VOLTAGE_400; | |
348 | break; | |
349 | default: | |
350 | logger.error(errMsg); | |
351 | throw new Error(errMsg); | |
352 | } | |
353 | return defaultVoltageOut; | |
354 | } | |
355 | ||
356 | public static getSampledValueTemplate( | |
357 | chargingStation: ChargingStation, | |
358 | connectorId: number, | |
359 | measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER, | |
360 | phase?: MeterValuePhase | |
361 | ): SampledValueTemplate | undefined { | |
362 | const onPhaseStr = phase ? `on phase ${phase} ` : ''; | |
363 | if (!Constants.SUPPORTED_MEASURANDS.includes(measurand)) { | |
364 | logger.warn( | |
365 | `${chargingStation.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` | |
366 | ); | |
367 | return; | |
368 | } | |
369 | if ( | |
370 | measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && | |
371 | !ChargingStationConfigurationUtils.getConfigurationKey( | |
372 | chargingStation, | |
373 | StandardParametersKey.MeterValuesSampledData | |
374 | )?.value.includes(measurand) | |
375 | ) { | |
376 | logger.debug( | |
377 | `${chargingStation.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${ | |
378 | StandardParametersKey.MeterValuesSampledData | |
379 | }' OCPP parameter` | |
380 | ); | |
381 | return; | |
382 | } | |
383 | const sampledValueTemplates: SampledValueTemplate[] = | |
384 | chargingStation.getConnectorStatus(connectorId).MeterValues; | |
385 | for ( | |
386 | let index = 0; | |
387 | !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length; | |
388 | index++ | |
389 | ) { | |
390 | if ( | |
391 | !Constants.SUPPORTED_MEASURANDS.includes( | |
392 | sampledValueTemplates[index]?.measurand ?? | |
393 | MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER | |
394 | ) | |
395 | ) { | |
396 | logger.warn( | |
397 | `${chargingStation.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` | |
398 | ); | |
399 | } else if ( | |
400 | phase && | |
401 | sampledValueTemplates[index]?.phase === phase && | |
402 | sampledValueTemplates[index]?.measurand === measurand && | |
403 | ChargingStationConfigurationUtils.getConfigurationKey( | |
404 | chargingStation, | |
405 | StandardParametersKey.MeterValuesSampledData | |
406 | )?.value.includes(measurand) | |
407 | ) { | |
408 | return sampledValueTemplates[index]; | |
409 | } else if ( | |
410 | !phase && | |
411 | !sampledValueTemplates[index].phase && | |
412 | sampledValueTemplates[index]?.measurand === measurand && | |
413 | ChargingStationConfigurationUtils.getConfigurationKey( | |
414 | chargingStation, | |
415 | StandardParametersKey.MeterValuesSampledData | |
416 | )?.value.includes(measurand) | |
417 | ) { | |
418 | return sampledValueTemplates[index]; | |
419 | } else if ( | |
420 | measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && | |
421 | (!sampledValueTemplates[index].measurand || | |
422 | sampledValueTemplates[index].measurand === measurand) | |
423 | ) { | |
424 | return sampledValueTemplates[index]; | |
425 | } | |
426 | } | |
427 | if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) { | |
428 | const errorMsg = `${chargingStation.logPrefix()} Missing MeterValues for default measurand '${measurand}' in template on connectorId ${connectorId}`; | |
429 | logger.error(errorMsg); | |
430 | throw new Error(errorMsg); | |
431 | } | |
432 | logger.debug( | |
433 | `${chargingStation.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` | |
434 | ); | |
435 | } | |
436 | ||
17ac262c JB |
437 | private static getRandomSerialNumberSuffix(params?: { |
438 | randomBytesLength?: number; | |
439 | upperCase?: boolean; | |
440 | }): string { | |
441 | const randomSerialNumberSuffix = crypto | |
442 | .randomBytes(params?.randomBytesLength ?? 16) | |
443 | .toString('hex'); | |
444 | if (params?.upperCase) { | |
445 | return randomSerialNumberSuffix.toUpperCase(); | |
446 | } | |
447 | return randomSerialNumberSuffix; | |
448 | } | |
449 | } |