1 import {PerformanceObserver
, performance
} from 'perf_hooks';
3 import AutomaticTransactionGenerator
from './AutomaticTransactionGenerator.js';
4 import Configuration
from '../utils/Configuration.js';
5 import Constants
from '../utils/Constants.js';
6 import ElectricUtils
from '../utils/ElectricUtils.js';
7 import OCPPError
from './OcppError.js';
8 import Statistics
from '../utils/Statistics.js';
9 import Utils
from '../utils/Utils.js';
10 import WebSocket
from 'ws';
11 import crypto
from 'crypto';
13 import logger
from '../utils/Logger.js';
15 export default class ChargingStation
{
16 constructor(index
, stationTemplateFile
) {
18 this._stationTemplateFile
= stationTemplateFile
;
19 this._connectors
= {};
22 this._isSocketRestart
= false;
23 this._autoReconnectRetryCount
= 0;
24 this._autoReconnectMaxRetries
= Configuration
.getAutoReconnectMaxRetries(); // -1 for unlimited
25 this._autoReconnectTimeout
= Configuration
.getAutoReconnectTimeout() * 1000; // ms, zero for disabling
28 this._messageQueue
= [];
30 this._authorizedTags
= this._loadAndGetAuthorizedTags();
33 _getStationName(stationTemplate
) {
34 return stationTemplate
.fixedName
? stationTemplate
.baseName
: stationTemplate
.baseName
+ '-' + ('000000000' + this._index
).substr(('000000000' + this._index
).length
- 4);
38 let stationTemplateFromFile
;
41 const fileDescriptor
= fs
.openSync(this._stationTemplateFile
, 'r');
42 stationTemplateFromFile
= JSON
.parse(fs
.readFileSync(fileDescriptor
, 'utf8'));
43 fs
.closeSync(fileDescriptor
);
45 logger
.error('Template file ' + this._stationTemplateFile
+ ' loading error: ' + error
);
48 const stationTemplate
= stationTemplateFromFile
|| {};
49 if (!Utils
.isEmptyArray(stationTemplateFromFile
.power
)) {
50 stationTemplate
.maxPower
= stationTemplateFromFile
.power
[Math
.floor(Math
.random() * stationTemplateFromFile
.power
.length
)];
52 stationTemplate
.maxPower
= stationTemplateFromFile
.power
;
54 stationTemplate
.name
= this._getStationName(stationTemplateFromFile
);
55 stationTemplate
.resetTime
= stationTemplateFromFile
.resetTime
? stationTemplateFromFile
.resetTime
* 1000 : Constants
.CHARGING_STATION_DEFAULT_RESET_TIME
;
56 return stationTemplate
;
60 this._stationInfo
= this._buildStationInfo();
61 this._bootNotificationMessage
= {
62 chargePointModel
: this._stationInfo
.chargePointModel
,
63 chargePointVendor
: this._stationInfo
.chargePointVendor
,
64 ...!Utils
.isUndefined(this._stationInfo
.chargeBoxSerialNumberPrefix
) && {chargeBoxSerialNumber
: this._stationInfo
.chargeBoxSerialNumberPrefix
},
65 ...!Utils
.isUndefined(this._stationInfo
.firmwareVersion
) && {firmwareVersion
: this._stationInfo
.firmwareVersion
},
67 this._configuration
= this._getConfiguration();
68 this._supervisionUrl
= this._getSupervisionURL();
69 this._wsConnectionUrl
= this._supervisionUrl
+ '/' + this._stationInfo
.name
;
70 // Build connectors if needed
71 const maxConnectors
= this._getMaxNumberOfConnectors();
72 if (maxConnectors
<= 0) {
73 logger
.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with ${maxConnectors} connectors`);
75 const templateMaxConnectors
= this._getTemplateMaxNumberOfConnectors();
76 if (templateMaxConnectors
<= 0) {
77 logger
.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector configurations`);
80 if (maxConnectors
> (this._stationInfo
.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) && !Utils
.convertToBoolean(this._stationInfo
.randomConnectors
)) {
81 logger
.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this._stationTemplateFile}, forcing random connector configurations affectation`);
82 this._stationInfo
.randomConnectors
= true;
84 const connectorsConfigHash
= crypto
.createHash('sha256').update(JSON
.stringify(this._stationInfo
.Connectors
) + maxConnectors
.toString()).digest('hex');
85 // FIXME: Handle shrinking the number of connectors
86 if (!this._connectors
|| (this._connectors
&& this._connectorsConfigurationHash
!== connectorsConfigHash
)) {
87 this._connectorsConfigurationHash
= connectorsConfigHash
;
89 let lastConnector
= 0;
90 for (lastConnector
in this._stationInfo
.Connectors
) {
91 if (Utils
.convertToInt(lastConnector
) === 0 && Utils
.convertToBoolean(this._stationInfo
.useConnectorId0
) && this._stationInfo
.Connectors
[lastConnector
]) {
92 this._connectors
[lastConnector
] = Utils
.cloneObject(this._stationInfo
.Connectors
[lastConnector
]);
95 // Generate all connectors
96 if ((this._stationInfo
.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) > 0) {
97 for (let index
= 1; index
<= maxConnectors
; index
++) {
98 const randConnectorID
= Utils
.convertToBoolean(this._stationInfo
.randomConnectors
) ? Utils
.getRandomInt(lastConnector
, 1) : index
;
99 this._connectors
[index
] = Utils
.cloneObject(this._stationInfo
.Connectors
[randConnectorID
]);
103 // Avoid duplication of connectors related information
104 delete this._stationInfo
.Connectors
;
105 // Initialize transaction attributes on connectors
106 for (const connector
in this._connectors
) {
107 if (!this.getConnector(connector
).transactionStarted
) {
108 this._initTransactionOnConnector(connector
);
112 this._addConfigurationKey('NumberOfConnectors', this._getNumberOfConnectors(), true);
113 if (!this._getConfigurationKey('MeterValuesSampledData')) {
114 this._addConfigurationKey('MeterValuesSampledData', 'Energy.Active.Import.Register');
116 this._stationInfo
.powerDivider
= this._getPowerDivider();
117 if (this.getEnableStatistics()) {
118 this._statistics
= Statistics
.getInstance();
119 this._statistics
.objName
= this._stationInfo
.name
;
120 this._performanceObserver
= new PerformanceObserver((list
) => {
121 const entry
= list
.getEntries()[0];
122 this._statistics
.logPerformance(entry
, 'ChargingStation');
123 this._performanceObserver
.disconnect();
129 return Utils
.logPrefix(` ${this._stationInfo.name}:`);
132 _getConfiguration() {
133 return this._stationInfo
.Configuration
? this._stationInfo
.Configuration
: {};
136 _getAuthorizationFile() {
137 return this._stationInfo
.authorizationFile
? this._stationInfo
.authorizationFile
: '';
140 _loadAndGetAuthorizedTags() {
141 let authorizedTags
= [];
142 const authorizationFile
= this._getAuthorizationFile();
143 if (authorizationFile
) {
145 // Load authorization file
146 const fileDescriptor
= fs
.openSync(authorizationFile
, 'r');
147 authorizedTags
= JSON
.parse(fs
.readFileSync(fileDescriptor
, 'utf8'));
148 fs
.closeSync(fileDescriptor
);
150 logger
.error(this._logPrefix() + ' Authorization file ' + authorizationFile
+ ' loading error: ' + error
);
154 logger
.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile
);
156 return authorizedTags
;
160 const index
= Math
.floor(Math
.random() * this._authorizedTags
.length
);
161 return this._authorizedTags
[index
];
164 hasAuthorizedTags() {
165 return !Utils
.isEmptyArray(this._authorizedTags
);
168 getEnableStatistics() {
169 return !Utils
.isUndefined(this._stationInfo
.enableStatistics
) ? Utils
.convertToBoolean(this._stationInfo
.enableStatistics
) : true;
172 _getNumberOfPhases() {
173 switch (this._getPowerOutType()) {
175 return !Utils
.isUndefined(this._stationInfo
.numberOfPhases
) ? Utils
.convertToInt(this._stationInfo
.numberOfPhases
) : 3;
181 _getNumberOfRunningTransactions() {
183 for (const connector
in this._connectors
) {
184 if (this.getConnector(connector
).transactionStarted
) {
192 let powerDivider
= this._getNumberOfConnectors();
193 if (this._stationInfo
.powerSharedByConnectors
) {
194 powerDivider
= this._getNumberOfRunningTransactions();
200 return this._connectors
[Utils
.convertToInt(id
)];
203 _getTemplateMaxNumberOfConnectors() {
204 return Object
.keys(this._stationInfo
.Connectors
).length
;
207 _getMaxNumberOfConnectors() {
208 let maxConnectors
= 0;
209 if (!Utils
.isEmptyArray(this._stationInfo
.numberOfConnectors
)) {
210 // Distribute evenly the number of connectors
211 maxConnectors
= this._stationInfo
.numberOfConnectors
[(this._index
- 1) % this._stationInfo
.numberOfConnectors
.length
];
212 } else if (!Utils
.isUndefined(this._stationInfo
.numberOfConnectors
)) {
213 maxConnectors
= this._stationInfo
.numberOfConnectors
;
215 maxConnectors
= this._stationInfo
.Connectors
[0] ? this._getTemplateMaxNumberOfConnectors() - 1 : this._getTemplateMaxNumberOfConnectors();
217 return maxConnectors
;
220 _getNumberOfConnectors() {
221 return this._connectors
[0] ? Object
.keys(this._connectors
).length
- 1 : Object
.keys(this._connectors
).length
;
225 const errMsg
= `${this._logPrefix()} Unknown ${this._getPowerOutType()} powerOutType in template file ${this._stationTemplateFile}, cannot define default voltage out`;
226 let defaultVoltageOut
;
227 switch (this._getPowerOutType()) {
229 defaultVoltageOut
= 230;
232 defaultVoltageOut
= 400;
235 logger
.error(errMsg
);
238 return !Utils
.isUndefined(this._stationInfo
.voltageOut
) ? Utils
.convertToInt(this._stationInfo
.voltageOut
) : defaultVoltageOut
;
242 return !Utils
.isUndefined(this._stationInfo
.powerOutType
) ? this._stationInfo
.powerOutType
: 'AC';
245 _getSupervisionURL() {
246 const supervisionUrls
= Utils
.cloneObject(this._stationInfo
.supervisionURL
? this._stationInfo
.supervisionURL
: Configuration
.getSupervisionURLs());
248 if (!Utils
.isEmptyArray(supervisionUrls
)) {
249 if (Configuration
.getDistributeStationToTenantEqually()) {
250 indexUrl
= this._index
% supervisionUrls
.length
;
253 indexUrl
= Math
.floor(Math
.random() * supervisionUrls
.length
);
255 return supervisionUrls
[indexUrl
];
257 return supervisionUrls
;
260 _getAuthorizeRemoteTxRequests() {
261 const authorizeRemoteTxRequests
= this._getConfigurationKey('AuthorizeRemoteTxRequests');
262 return authorizeRemoteTxRequests
? Utils
.convertToBoolean(authorizeRemoteTxRequests
.value
) : false;
265 _getLocalAuthListEnabled() {
266 const localAuthListEnabled
= this._getConfigurationKey('LocalAuthListEnabled');
267 return localAuthListEnabled
? Utils
.convertToBoolean(localAuthListEnabled
.value
) : false;
270 async
_basicStartMessageSequence() {
272 this._startHeartbeat(this);
273 // Initialize connectors status
274 for (const connector
in this._connectors
) {
275 if (!this.getConnector(connector
).transactionStarted
) {
276 if (this.getConnector(connector
).bootStatus
) {
277 this.sendStatusNotificationWithTimeout(connector
, this.getConnector(connector
).bootStatus
);
279 this.sendStatusNotificationWithTimeout(connector
, 'Available');
282 this.sendStatusNotificationWithTimeout(connector
, 'Charging');
286 if (Utils
.convertToBoolean(this._stationInfo
.AutomaticTransactionGenerator
.enable
)) {
287 if (!this._automaticTransactionGeneration
) {
288 this._automaticTransactionGeneration
= new AutomaticTransactionGenerator(this);
290 if (this._automaticTransactionGeneration
.timeToStop
) {
291 this._automaticTransactionGeneration
.start();
294 if (this.getEnableStatistics()) {
295 this._statistics
.start();
299 // eslint-disable-next-line class-methods-use-this
300 async
_startHeartbeat(self
) {
301 if (self
._heartbeatInterval
&& self
._heartbeatInterval
> 0 && !self
._heartbeatSetInterval
) {
302 self
._heartbeatSetInterval
= setInterval(() => {
303 this.sendHeartbeat();
304 }, self
._heartbeatInterval
);
305 logger
.info(self
._logPrefix() + ' Heartbeat started every ' + self
._heartbeatInterval
+ 'ms');
307 logger
.error(`${self._logPrefix()} Heartbeat interval set to ${self._heartbeatInterval}ms, not starting the heartbeat`);
311 async
_stopHeartbeat() {
312 if (this._heartbeatSetInterval
) {
313 clearInterval(this._heartbeatSetInterval
);
314 this._heartbeatSetInterval
= null;
318 _startAuthorizationFileMonitoring() {
319 // eslint-disable-next-line no-unused-vars
320 fs
.watchFile(this._getAuthorizationFile(), (current
, previous
) => {
322 logger
.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
323 // Initialize _authorizedTags
324 this._authorizedTags
= this._loadAndGetAuthorizedTags();
326 logger
.error(this._logPrefix() + ' Authorization file monitoring error: ' + error
);
331 _startStationTemplateFileMonitoring() {
332 // eslint-disable-next-line no-unused-vars
333 fs
.watchFile(this._stationTemplateFile
, (current
, previous
) => {
335 logger
.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile
+ ' have changed, reload');
338 this._addConfigurationKey('HeartBeatInterval', Utils
.convertToInt(this._heartbeatInterval
? this._heartbeatInterval
/ 1000 : 0));
339 this._addConfigurationKey('HeartbeatInterval', Utils
.convertToInt(this._heartbeatInterval
? this._heartbeatInterval
/ 1000 : 0), false, false);
341 logger
.error(this._logPrefix() + ' Charging station template file monitoring error: ' + error
);
346 async
_startMeterValues(connectorId
, interval
) {
347 if (!this.getConnector(connectorId
).transactionStarted
) {
348 logger
.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
350 } else if (this.getConnector(connectorId
).transactionStarted
&& !this.getConnector(connectorId
).transactionId
) {
351 logger
.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
355 this.getConnector(connectorId
).transactionSetInterval
= setInterval(async () => {
356 if (this.getEnableStatistics()) {
357 const sendMeterValues
= performance
.timerify(this.sendMeterValues
);
358 this._performanceObserver
.observe({
359 entryTypes
: ['function'],
361 await
sendMeterValues(connectorId
, interval
, this);
363 await
this.sendMeterValues(connectorId
, interval
, this);
367 logger
.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${interval}ms, not sending MeterValues`);
372 if (!this._wsConnectionUrl
) {
373 this._wsConnectionUrl
= this._supervisionUrl
+ '/' + this._stationInfo
.name
;
375 this._wsConnection
= new WebSocket(this._wsConnectionUrl
, 'ocpp' + Constants
.OCPP_VERSION_16
);
376 logger
.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl
);
377 // Monitor authorization file
378 this._startAuthorizationFileMonitoring();
379 // Monitor station template file
380 this._startStationTemplateFileMonitoring();
381 // Handle Socket incoming messages
382 this._wsConnection
.on('message', this.onMessage
.bind(this));
383 // Handle Socket error
384 this._wsConnection
.on('error', this.onError
.bind(this));
385 // Handle Socket close
386 this._wsConnection
.on('close', this.onClose
.bind(this));
387 // Handle Socket opening connection
388 this._wsConnection
.on('open', this.onOpen
.bind(this));
389 // Handle Socket ping
390 this._wsConnection
.on('ping', this.onPing
.bind(this));
393 async
stop(reason
= '') {
395 await
this._stopHeartbeat();
397 if (Utils
.convertToBoolean(this._stationInfo
.AutomaticTransactionGenerator
.enable
) &&
398 this._automaticTransactionGeneration
&&
399 !this._automaticTransactionGeneration
.timeToStop
) {
400 await
this._automaticTransactionGeneration
.stop(reason
);
402 for (const connector
in this._connectors
) {
403 if (this.getConnector(connector
).transactionStarted
) {
404 await
this.sendStopTransaction(this.getConnector(connector
).transactionId
, reason
);
408 // eslint-disable-next-line guard-for-in
409 for (const connector
in this._connectors
) {
410 await
this.sendStatusNotification(connector
, 'Unavailable');
412 if (this._wsConnection
&& this._wsConnection
.readyState
=== WebSocket
.OPEN
) {
413 await
this._wsConnection
.close();
418 logger
.error(this._logPrefix() + ' Socket: abnormally closed', error
);
419 // Stop the ATG if needed
420 if (Utils
.convertToBoolean(this._stationInfo
.AutomaticTransactionGenerator
.enable
) &&
421 Utils
.convertToBoolean(this._stationInfo
.AutomaticTransactionGenerator
.stopOnConnectionFailure
) &&
422 this._automaticTransactionGeneration
&&
423 !this._automaticTransactionGeneration
.timeToStop
) {
424 this._automaticTransactionGeneration
.stop();
427 this._stopHeartbeat();
428 if (this._autoReconnectTimeout
!== 0 &&
429 (this._autoReconnectRetryCount
< this._autoReconnectMaxRetries
|| this._autoReconnectMaxRetries
=== -1)) {
430 logger
.error(`${this._logPrefix()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`);
431 this._autoReconnectRetryCount
++;
433 logger
.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount
);
435 }, this._autoReconnectTimeout
);
436 } else if (this._autoReconnectTimeout
!== 0 || this._autoReconnectMaxRetries
!== -1) {
437 logger
.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`);
442 logger
.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`);
443 if (!this._isSocketRestart
) {
444 // Send BootNotification
445 this.sendBootNotification();
447 if (this._isSocketRestart
) {
448 this._basicStartMessageSequence();
449 if (!Utils
.isEmptyArray(this._messageQueue
)) {
450 this._messageQueue
.forEach((message
) => {
451 if (this._wsConnection
&& this._wsConnection
.readyState
=== WebSocket
.OPEN
) {
452 this._wsConnection
.send(message
);
457 this._autoReconnectRetryCount
= 0;
458 this._isSocketRestart
= false;
464 this._isSocketRestart
= true;
465 this._reconnect(error
);
468 logger
.error(this._logPrefix() + ' Socket error: ' + error
);
475 case 1000: // Normal close
477 logger
.info(this._logPrefix() + ' Socket normally closed ' + error
);
478 this._autoReconnectRetryCount
= 0;
480 default: // Abnormal close
481 this._isSocketRestart
= true;
482 this._reconnect(error
);
488 logger
.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server');
491 async
onMessage(message
) {
492 let [messageType
, messageId
, commandName
, commandPayload
, errorDetails
] = [0, '', Constants
.ENTITY_CHARGING_STATION
, '', ''];
495 [messageType
, messageId
, commandName
, commandPayload
, errorDetails
] = JSON
.parse(message
);
497 // Check the Type of message
498 switch (messageType
) {
500 case Constants
.OCPP_JSON_CALL_MESSAGE
:
502 await
this.handleRequest(messageId
, commandName
, commandPayload
);
505 case Constants
.OCPP_JSON_CALL_RESULT_MESSAGE
:
507 // eslint-disable-next-line no-case-declarations
508 let responseCallback
; let requestPayload
;
509 if (Utils
.isIterable(this._requests
[messageId
])) {
510 [responseCallback
, , requestPayload
] = this._requests
[messageId
];
512 throw new Error(`Response request for message id ${messageId} is not iterable`);
514 if (!responseCallback
) {
516 throw new Error(`Response for unknown message id ${messageId}`);
518 delete this._requests
[messageId
];
519 responseCallback(commandName
, requestPayload
);
522 case Constants
.OCPP_JSON_CALL_ERROR_MESSAGE
:
523 if (!this._requests
[messageId
]) {
525 throw new Error(`Error for unknown message id ${messageId}`);
527 // eslint-disable-next-line no-case-declarations
529 if (Utils
.isIterable(this._requests
[messageId
])) {
530 [, rejectCallback
] = this._requests
[messageId
];
532 throw new Error(`Error request for message id ${messageId} is not iterable`);
534 delete this._requests
[messageId
];
535 rejectCallback(new OCPPError(commandName
, commandPayload
, errorDetails
));
539 throw new Error(`Wrong message type ${messageType}`);
543 logger
.error('%s Incoming message %j processing error %s on request content %s', this._logPrefix(), message
, error
, this._requests
[messageId
]);
545 // await this.sendError(messageId, error);
552 currentTime
: new Date().toISOString(),
554 this.sendMessage(Utils
.generateUUID(), payload
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'Heartbeat');
556 logger
.error(this._logPrefix() + ' Send Heartbeat error: ' + error
);
561 sendBootNotification() {
563 this.sendMessage(Utils
.generateUUID(), this._bootNotificationMessage
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'BootNotification');
565 logger
.error(this._logPrefix() + ' Send BootNotification error: ' + error
);
570 async
sendStatusNotification(connectorId
, status
, errorCode
= 'NoError') {
577 await
this.sendMessage(Utils
.generateUUID(), payload
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'StatusNotification');
579 logger
.error(this._logPrefix() + ' Send StatusNotification error: ' + error
);
584 sendStatusNotificationWithTimeout(connectorId
, status
, errorCode
= 'NoError', timeout
= Constants
.STATUS_NOTIFICATION_TIMEOUT
) {
585 setTimeout(() => this.sendStatusNotification(connectorId
, status
, errorCode
), timeout
);
588 async
sendStartTransaction(connectorId
, idTag
) {
594 timestamp
: new Date().toISOString(),
596 return await
this.sendMessage(Utils
.generateUUID(), payload
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'StartTransaction');
598 logger
.error(this._logPrefix() + ' Send StartTransaction error: ' + error
);
603 sendStartTransactionWithTimeout(connectorId
, idTag
, timeout
= Constants
.START_TRANSACTION_TIMEOUT
) {
604 setTimeout(() => this.sendStartTransaction(connectorId
, idTag
), timeout
);
607 async
sendStopTransaction(transactionId
, reason
= '') {
612 timestamp
: new Date().toISOString(),
613 ...reason
&& {reason
},
615 await
this.sendMessage(Utils
.generateUUID(), payload
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'StopTransaction');
617 logger
.error(this._logPrefix() + ' Send StopTransaction error: ' + error
);
622 // eslint-disable-next-line class-methods-use-this
623 async
sendMeterValues(connectorId
, interval
, self
, debug
= false) {
625 const sampledValues
= {
626 timestamp
: new Date().toISOString(),
629 const meterValuesTemplate
= self
.getConnector(connectorId
).MeterValues
;
630 for (let index
= 0; index
< meterValuesTemplate
.length
; index
++) {
631 const connector
= self
.getConnector(connectorId
);
633 if (meterValuesTemplate
[index
].measurand
&& meterValuesTemplate
[index
].measurand
=== 'SoC' && self
._getConfigurationKey('MeterValuesSampledData').value
.includes('SoC')) {
634 sampledValues
.sampledValue
.push({
635 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'Percent'},
636 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
637 measurand
: meterValuesTemplate
[index
].measurand
,
638 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) ? {location
: meterValuesTemplate
[index
].location
} : {location
: 'EV'},
639 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: Utils
.getRandomInt(100)},
641 const sampledValuesIndex
= sampledValues
.sampledValue
.length
- 1;
642 if (sampledValues
.sampledValue
[sampledValuesIndex
].value
> 100 || debug
) {
643 logger
.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/100`);
646 } else if (meterValuesTemplate
[index
].measurand
&& meterValuesTemplate
[index
].measurand
=== 'Voltage' && self
._getConfigurationKey('MeterValuesSampledData').value
.includes('Voltage')) {
647 sampledValues
.sampledValue
.push({
648 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'V'},
649 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
650 measurand
: meterValuesTemplate
[index
].measurand
,
651 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
652 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: self
._getVoltageOut()},
654 for (let phase
= 1; self
._getNumberOfPhases() === 3 && phase
<= self
._getNumberOfPhases(); phase
++) {
655 const voltageValue
= sampledValues
.sampledValue
[sampledValues
.sampledValue
.length
- 1].value
;
657 if (voltageValue
>= 0 && voltageValue
<= 250) {
658 phaseValue
= `L${phase}-N`;
659 } else if (voltageValue
> 250) {
660 phaseValue
= `L${phase}-L${(phase + 1) % self._getNumberOfPhases() !== 0 ? (phase + 1) % self._getNumberOfPhases() : self._getNumberOfPhases()}`;
662 sampledValues
.sampledValue
.push({
663 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'V'},
664 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
665 measurand
: meterValuesTemplate
[index
].measurand
,
666 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
667 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: self
._getVoltageOut()},
671 // Power.Active.Import measurand
672 } else if (meterValuesTemplate
[index
].measurand
&& meterValuesTemplate
[index
].measurand
=== 'Power.Active.Import' && self
._getConfigurationKey('MeterValuesSampledData').value
.includes('Power.Active.Import')) {
673 // FIXME: factor out powerDivider checks
674 if (Utils
.isUndefined(self
._stationInfo
.powerDivider
)) {
675 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
676 logger
.error(errMsg
);
678 } else if (self
._stationInfo
.powerDivider
&& self
._stationInfo
.powerDivider
<= 0) {
679 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
680 logger
.error(errMsg
);
683 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} measurand value`;
684 const powerMeasurandValues
= {};
685 const maxPower
= Math
.round(self
._stationInfo
.maxPower
/ self
._stationInfo
.powerDivider
);
686 const maxPowerPerPhase
= Math
.round((self
._stationInfo
.maxPower
/ self
._stationInfo
.powerDivider
) / self
._getNumberOfPhases());
687 switch (self
._getPowerOutType()) {
689 if (Utils
.isUndefined(meterValuesTemplate
[index
].value
)) {
690 powerMeasurandValues
.L1
= Utils
.getRandomFloatRounded(maxPowerPerPhase
);
691 powerMeasurandValues
.L2
= 0;
692 powerMeasurandValues
.L3
= 0;
693 if (self
._getNumberOfPhases() === 3) {
694 powerMeasurandValues
.L2
= Utils
.getRandomFloatRounded(maxPowerPerPhase
);
695 powerMeasurandValues
.L3
= Utils
.getRandomFloatRounded(maxPowerPerPhase
);
697 powerMeasurandValues
.all
= Utils
.roundTo(powerMeasurandValues
.L1
+ powerMeasurandValues
.L2
+ powerMeasurandValues
.L3
, 2);
701 if (Utils
.isUndefined(meterValuesTemplate
[index
].value
)) {
702 powerMeasurandValues
.all
= Utils
.getRandomFloatRounded(maxPower
);
706 logger
.error(errMsg
);
709 sampledValues
.sampledValue
.push({
710 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'W'},
711 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
712 measurand
: meterValuesTemplate
[index
].measurand
,
713 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
714 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: powerMeasurandValues
.all
},
716 const sampledValuesIndex
= sampledValues
.sampledValue
.length
- 1;
717 if (sampledValues
.sampledValue
[sampledValuesIndex
].value
> maxPower
|| debug
) {
718 logger
.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxPower}`);
720 for (let phase
= 1; self
._getNumberOfPhases() === 3 && phase
<= self
._getNumberOfPhases(); phase
++) {
721 const phaseValue
= `L${phase}-N`;
722 sampledValues
.sampledValue
.push({
723 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'W'},
724 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
725 ...!Utils
.isUndefined(meterValuesTemplate
[index
].measurand
) && {measurand
: meterValuesTemplate
[index
].measurand
},
726 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
727 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: powerMeasurandValues
[`L${phase}`]},
731 // Current.Import measurand
732 } else if (meterValuesTemplate
[index
].measurand
&& meterValuesTemplate
[index
].measurand
=== 'Current.Import' && self
._getConfigurationKey('MeterValuesSampledData').value
.includes('Current.Import')) {
733 // FIXME: factor out powerDivider checks
734 if (Utils
.isUndefined(self
._stationInfo
.powerDivider
)) {
735 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
736 logger
.error(errMsg
);
738 } else if (self
._stationInfo
.powerDivider
&& self
._stationInfo
.powerDivider
<= 0) {
739 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
740 logger
.error(errMsg
);
743 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} measurand value`;
744 const currentMeasurandValues
= {};
746 switch (self
._getPowerOutType()) {
748 maxAmperage
= ElectricUtils
.ampPerPhaseFromPower(self
._getNumberOfPhases(), self
._stationInfo
.maxPower
/ self
._stationInfo
.powerDivider
, self
._getVoltageOut());
749 if (Utils
.isUndefined(meterValuesTemplate
[index
].value
)) {
750 currentMeasurandValues
.L1
= Utils
.getRandomFloatRounded(maxAmperage
);
751 currentMeasurandValues
.L2
= 0;
752 currentMeasurandValues
.L3
= 0;
753 if (self
._getNumberOfPhases() === 3) {
754 currentMeasurandValues
.L2
= Utils
.getRandomFloatRounded(maxAmperage
);
755 currentMeasurandValues
.L3
= Utils
.getRandomFloatRounded(maxAmperage
);
757 currentMeasurandValues
.all
= Utils
.roundTo((currentMeasurandValues
.L1
+ currentMeasurandValues
.L2
+ currentMeasurandValues
.L3
) / self
._getNumberOfPhases(), 2);
761 maxAmperage
= ElectricUtils
.ampTotalFromPower(self
._stationInfo
.maxPower
/ self
._stationInfo
.powerDivider
, self
._getVoltageOut());
762 if (Utils
.isUndefined(meterValuesTemplate
[index
].value
)) {
763 currentMeasurandValues
.all
= Utils
.getRandomFloatRounded(maxAmperage
);
767 logger
.error(errMsg
);
770 sampledValues
.sampledValue
.push({
771 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'A'},
772 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
773 measurand
: meterValuesTemplate
[index
].measurand
,
774 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
775 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: currentMeasurandValues
.all
},
777 const sampledValuesIndex
= sampledValues
.sampledValue
.length
- 1;
778 if (sampledValues
.sampledValue
[sampledValuesIndex
].value
> maxAmperage
|| debug
) {
779 logger
.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxAmperage}`);
781 for (let phase
= 1; self
._getNumberOfPhases() === 3 && phase
<= self
._getNumberOfPhases(); phase
++) {
782 const phaseValue
= `L${phase}`;
783 sampledValues
.sampledValue
.push({
784 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'A'},
785 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
786 ...!Utils
.isUndefined(meterValuesTemplate
[index
].measurand
) && {measurand
: meterValuesTemplate
[index
].measurand
},
787 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
788 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: currentMeasurandValues
[phaseValue
]},
792 // Energy.Active.Import.Register measurand (default)
793 } else if (!meterValuesTemplate
[index
].measurand
|| meterValuesTemplate
[index
].measurand
=== 'Energy.Active.Import.Register') {
794 // FIXME: factor out powerDivider checks
795 if (Utils
.isUndefined(self
._stationInfo
.powerDivider
)) {
796 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
797 logger
.error(errMsg
);
799 } else if (self
._stationInfo
.powerDivider
&& self
._stationInfo
.powerDivider
<= 0) {
800 const errMsg
= `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
801 logger
.error(errMsg
);
804 if (Utils
.isUndefined(meterValuesTemplate
[index
].value
)) {
805 const measurandValue
= Utils
.getRandomInt(self
._stationInfo
.maxPower
/ (self
._stationInfo
.powerDivider
* 3600000) * interval
);
806 // Persist previous value in connector
807 if (connector
&& !Utils
.isNullOrUndefined(connector
.lastEnergyActiveImportRegisterValue
) && connector
.lastEnergyActiveImportRegisterValue
>= 0) {
808 connector
.lastEnergyActiveImportRegisterValue
+= measurandValue
;
810 connector
.lastEnergyActiveImportRegisterValue
= 0;
813 sampledValues
.sampledValue
.push({
814 ...!Utils
.isUndefined(meterValuesTemplate
[index
].unit
) ? {unit
: meterValuesTemplate
[index
].unit
} : {unit
: 'Wh'},
815 ...!Utils
.isUndefined(meterValuesTemplate
[index
].context
) && {context
: meterValuesTemplate
[index
].context
},
816 ...!Utils
.isUndefined(meterValuesTemplate
[index
].measurand
) && {measurand
: meterValuesTemplate
[index
].measurand
},
817 ...!Utils
.isUndefined(meterValuesTemplate
[index
].location
) && {location
: meterValuesTemplate
[index
].location
},
818 ...!Utils
.isUndefined(meterValuesTemplate
[index
].value
) ? {value
: meterValuesTemplate
[index
].value
} : {value
: connector
.lastEnergyActiveImportRegisterValue
},
820 const sampledValuesIndex
= sampledValues
.sampledValue
.length
- 1;
821 const maxConsumption
= Math
.round(self
._stationInfo
.maxPower
* 3600 / (self
._stationInfo
.powerDivider
* interval
));
822 if (sampledValues
.sampledValue
[sampledValuesIndex
].value
> maxConsumption
|| debug
) {
823 logger
.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxConsumption}`);
825 // Unsupported measurand
827 logger
.info(`${self._logPrefix()} Unsupported MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} on connectorId ${connectorId}`);
833 transactionId
: self
.getConnector(connectorId
).transactionId
,
834 meterValue
: sampledValues
,
836 await self
.sendMessage(Utils
.generateUUID(), payload
, Constants
.OCPP_JSON_CALL_MESSAGE
, 'MeterValues');
838 logger
.error(self
._logPrefix() + ' Send MeterValues error: ' + error
);
843 sendError(messageId
, err
) {
844 // Check exception: only OCPP error are accepted
845 const error
= err
instanceof OCPPError
? err
: new OCPPError(Constants
.OCPP_ERROR_INTERNAL_ERROR
, err
.message
);
847 return this.sendMessage(messageId
, error
, Constants
.OCPP_JSON_CALL_ERROR_MESSAGE
);
850 sendMessage(messageId
, command
, messageType
= Constants
.OCPP_JSON_CALL_RESULT_MESSAGE
, commandName
= '') {
851 // Send a message through wsConnection
854 return new Promise((resolve
, reject
) => {
857 switch (messageType
) {
859 case Constants
.OCPP_JSON_CALL_MESSAGE
:
860 if (this.getEnableStatistics()) {
861 this._statistics
.addMessage(commandName
);
864 this._requests
[messageId
] = [responseCallback
, rejectCallback
, command
];
865 messageToSend
= JSON
.stringify([messageType
, messageId
, commandName
, command
]);
868 case Constants
.OCPP_JSON_CALL_RESULT_MESSAGE
:
869 if (this.getEnableStatistics()) {
870 this._statistics
.addMessage(commandName
);
873 messageToSend
= JSON
.stringify([messageType
, messageId
, command
]);
876 case Constants
.OCPP_JSON_CALL_ERROR_MESSAGE
:
877 if (this.getEnableStatistics()) {
878 this._statistics
.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`);
881 messageToSend
= JSON
.stringify([messageType
, messageId
, command
.code
? command
.code
: Constants
.OCPP_ERROR_GENERIC_ERROR
, command
.message
? command
.message
: '', command
.details
? command
.details
: {}]);
884 // Check if wsConnection is ready
885 if (this._wsConnection
&& this._wsConnection
.readyState
=== WebSocket
.OPEN
) {
887 this._wsConnection
.send(messageToSend
);
889 // Buffer message until connection is back
890 this._messageQueue
.push(messageToSend
);
893 if (messageType
!== Constants
.OCPP_JSON_CALL_MESSAGE
) {
896 } else if (this._wsConnection
&& this._wsConnection
.readyState
=== WebSocket
.OPEN
) {
897 // Send timeout in case connection is open otherwise wait for ever
898 // FIXME: Handle message on timeout
899 setTimeout(() => rejectCallback(new OCPPError(command
.code
? command
.code
: Constants
.OCPP_ERROR_GENERIC_ERROR
, command
.message
? command
.message
: '', command
.details
? command
.details
: {})), Constants
.OCPP_SOCKET_TIMEOUT
);
902 // Function that will receive the request's response
903 function responseCallback(payload
, requestPayload
) {
904 self
.handleResponse(commandName
, payload
, requestPayload
, self
);
909 // Function that will receive the request's rejection
910 function rejectCallback(error
) {
911 if (!(error
instanceof OCPPError
)) {
912 const errMsg
= `${self._logPrefix()} Argument error is not an instance of OCPPError in rejectCallback call`;
913 logger
.error(errMsg
);
916 logger
.debug(`${self._logPrefix()} Error %j on commandName %s command %j`, error
, commandName
, command
);
917 if (self
.getEnableStatistics()) {
918 self
._statistics
.addMessage(`Error on commandName ${commandName}`, true);
921 // eslint-disable-next-line no-empty-function
922 self
._requests
[messageId
] = [() => { }, () => { }, '']; // Properly format the request
929 // eslint-disable-next-line class-methods-use-this
930 handleResponse(commandName
, payload
, requestPayload
, self
) {
931 if (self
.getEnableStatistics()) {
932 self
._statistics
.addMessage(commandName
, true);
934 const responseCallbackFn
= 'handleResponse' + commandName
;
935 if (typeof self
[responseCallbackFn
] === 'function') {
936 self
[responseCallbackFn
](payload
, requestPayload
, self
);
938 logger
.error(self
._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn
);
942 handleResponseBootNotification(payload
) {
943 if (payload
.status
=== 'Accepted') {
944 this._heartbeatInterval
= payload
.interval
* 1000;
945 this._addConfigurationKey('HeartBeatInterval', Utils
.convertToInt(payload
.interval
));
946 this._addConfigurationKey('HeartbeatInterval', Utils
.convertToInt(payload
.interval
), false, false);
947 this._basicStartMessageSequence();
948 } else if (payload
.status
=== 'Pending') {
949 logger
.info(this._logPrefix() + ' Charging station in pending state on the central server');
951 logger
.info(this._logPrefix() + ' Charging station rejected by the central server');
955 _initTransactionOnConnector(connectorId
) {
956 this.getConnector(connectorId
).transactionStarted
= false;
957 this.getConnector(connectorId
).transactionId
= null;
958 this.getConnector(connectorId
).idTag
= null;
959 this.getConnector(connectorId
).lastEnergyActiveImportRegisterValue
= -1;
962 _resetTransactionOnConnector(connectorId
) {
963 this._initTransactionOnConnector(connectorId
);
964 if (this.getConnector(connectorId
).transactionSetInterval
) {
965 clearInterval(this.getConnector(connectorId
).transactionSetInterval
);
969 handleResponseStartTransaction(payload
, requestPayload
) {
970 if (this.getConnector(requestPayload
.connectorId
).transactionStarted
) {
971 logger
.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + requestPayload
.connectorId
+ ': %s', this.getConnector(requestPayload
.connectorId
));
975 let transactionConnectorId
;
976 for (const connector
in this._connectors
) {
977 if (Utils
.convertToInt(connector
) === Utils
.convertToInt(requestPayload
.connectorId
)) {
978 transactionConnectorId
= connector
;
982 if (!transactionConnectorId
) {
983 logger
.error(this._logPrefix() + ' Try to start a transaction on a non existing connector Id ' + requestPayload
.connectorId
);
986 if (payload
.idTagInfo
&& payload
.idTagInfo
.status
=== 'Accepted') {
987 this.getConnector(requestPayload
.connectorId
).transactionStarted
= true;
988 this.getConnector(requestPayload
.connectorId
).transactionId
= payload
.transactionId
;
989 this.getConnector(requestPayload
.connectorId
).idTag
= requestPayload
.idTag
;
990 this.getConnector(requestPayload
.connectorId
).lastEnergyActiveImportRegisterValue
= 0;
991 this.sendStatusNotification(requestPayload
.connectorId
, 'Charging');
992 logger
.info(this._logPrefix() + ' Transaction ' + payload
.transactionId
+ ' STARTED on ' + this._stationInfo
.name
+ '#' + requestPayload
.connectorId
+ ' for idTag ' + requestPayload
.idTag
);
993 if (this._stationInfo
.powerSharedByConnectors
) {
994 this._stationInfo
.powerDivider
++;
996 const configuredMeterValueSampleInterval
= this._getConfigurationKey('MeterValueSampleInterval');
997 this._startMeterValues(requestPayload
.connectorId
,
998 configuredMeterValueSampleInterval
? configuredMeterValueSampleInterval
.value
* 1000 : 60000);
1000 logger
.error(this._logPrefix() + ' Starting transaction id ' + payload
.transactionId
+ ' REJECTED with status ' + payload
.idTagInfo
.status
+ ', idTag ' + requestPayload
.idTag
);
1001 this._resetTransactionOnConnector(requestPayload
.connectorId
);
1002 this.sendStatusNotification(requestPayload
.connectorId
, 'Available');
1006 handleResponseStopTransaction(payload
, requestPayload
) {
1007 let transactionConnectorId
;
1008 for (const connector
in this._connectors
) {
1009 if (this.getConnector(connector
).transactionId
=== requestPayload
.transactionId
) {
1010 transactionConnectorId
= connector
;
1014 if (!transactionConnectorId
) {
1015 logger
.error(this._logPrefix() + ' Try to stop a non existing transaction ' + requestPayload
.transactionId
);
1018 if (payload
.idTagInfo
&& payload
.idTagInfo
.status
=== 'Accepted') {
1019 this.sendStatusNotification(transactionConnectorId
, 'Available');
1020 if (this._stationInfo
.powerSharedByConnectors
) {
1021 this._stationInfo
.powerDivider
--;
1023 logger
.info(this._logPrefix() + ' Transaction ' + requestPayload
.transactionId
+ ' STOPPED on ' + this._stationInfo
.name
+ '#' + transactionConnectorId
);
1024 this._resetTransactionOnConnector(transactionConnectorId
);
1026 logger
.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload
.transactionId
+ ' REJECTED with status ' + payload
.idTagInfo
.status
);
1030 handleResponseStatusNotification(payload
, requestPayload
) {
1031 logger
.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload
, requestPayload
);
1034 handleResponseMeterValues(payload
, requestPayload
) {
1035 logger
.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload
, requestPayload
);
1038 handleResponseHeartbeat(payload
, requestPayload
) {
1039 logger
.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload
, requestPayload
);
1042 async
handleRequest(messageId
, commandName
, commandPayload
) {
1043 if (this.getEnableStatistics()) {
1044 this._statistics
.addMessage(commandName
, true);
1048 if (typeof this['handleRequest' + commandName
] === 'function') {
1050 // Call the method to build the response
1051 response
= await
this['handleRequest' + commandName
](commandPayload
);
1054 logger
.error(this._logPrefix() + ' Handle request error: ' + error
);
1055 // Send back response to inform backend
1056 await
this.sendError(messageId
, error
);
1060 await
this.sendError(messageId
, new OCPPError(Constants
.OCPP_ERROR_NOT_IMPLEMENTED
, 'Not implemented', {}));
1061 throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
1064 await
this.sendMessage(messageId
, response
, Constants
.OCPP_JSON_CALL_RESULT_MESSAGE
);
1067 // Simulate charging station restart
1068 async
handleRequestReset(commandPayload
) {
1069 setImmediate(async () => {
1070 await
this.stop(commandPayload
.type
+ 'Reset');
1071 await Utils
.sleep(this._stationInfo
.resetTime
);
1074 logger
.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${this._stationInfo.resetTime}ms`);
1075 return Constants
.OCPP_RESPONSE_ACCEPTED
;
1078 _getConfigurationKey(key
) {
1079 return this._configuration
.configurationKey
.find((configElement
) => configElement
.key
=== key
);
1082 _addConfigurationKey(key
, value
, readonly
= false, visible
= true, reboot
= false) {
1083 const keyFound
= this._getConfigurationKey(key
);
1085 this._configuration
.configurationKey
.push({
1095 _setConfigurationKeyValue(key
, value
) {
1096 const keyFound
= this._getConfigurationKey(key
);
1098 const keyIndex
= this._configuration
.configurationKey
.indexOf(keyFound
);
1099 this._configuration
.configurationKey
[keyIndex
].value
= value
;
1103 async
handleRequestGetConfiguration(commandPayload
) {
1104 const configurationKey
= [];
1105 const unknownKey
= [];
1106 if (Utils
.isEmptyArray(commandPayload
.key
)) {
1107 for (const configuration
of this._configuration
.configurationKey
) {
1108 if (Utils
.isUndefined(configuration
.visible
)) {
1109 configuration
.visible
= true;
1111 configuration
.visible
= Utils
.convertToBoolean(configuration
.visible
);
1113 if (!configuration
.visible
) {
1116 configurationKey
.push({
1117 key
: configuration
.key
,
1118 readonly
: configuration
.readonly
,
1119 value
: configuration
.value
,
1123 for (const configurationKey
of commandPayload
.key
) {
1124 const keyFound
= this._getConfigurationKey(configurationKey
);
1126 if (Utils
.isUndefined(keyFound
.visible
)) {
1127 keyFound
.visible
= true;
1129 keyFound
.visible
= Utils
.convertToBoolean(configurationKey
.visible
);
1131 if (!keyFound
.visible
) {
1134 configurationKey
.push({
1136 readonly
: keyFound
.readonly
,
1137 value
: keyFound
.value
,
1140 unknownKey
.push(configurationKey
);
1150 async
handleRequestChangeConfiguration(commandPayload
) {
1151 const keyToChange
= this._getConfigurationKey(commandPayload
.key
);
1153 return {status
: Constants
.OCPP_ERROR_NOT_SUPPORTED
};
1154 } else if (keyToChange
&& Utils
.convertToBoolean(keyToChange
.readonly
)) {
1155 return Constants
.OCPP_RESPONSE_REJECTED
;
1156 } else if (keyToChange
&& !Utils
.convertToBoolean(keyToChange
.readonly
)) {
1157 const keyIndex
= this._configuration
.configurationKey
.indexOf(keyToChange
);
1158 this._configuration
.configurationKey
[keyIndex
].value
= commandPayload
.value
;
1159 let triggerHeartbeatRestart
= false;
1160 if (keyToChange
.key
=== 'HeartBeatInterval') {
1161 this._setConfigurationKeyValue('HeartbeatInterval', commandPayload
.value
);
1162 triggerHeartbeatRestart
= true;
1164 if (keyToChange
.key
=== 'HeartbeatInterval') {
1165 this._setConfigurationKeyValue('HeartBeatInterval', commandPayload
.value
);
1166 triggerHeartbeatRestart
= true;
1168 if (triggerHeartbeatRestart
) {
1169 this._heartbeatInterval
= Utils
.convertToInt(commandPayload
.value
) * 1000;
1171 this._stopHeartbeat();
1173 this._startHeartbeat(this);
1175 if (Utils
.convertToBoolean(keyToChange
.reboot
)) {
1176 return Constants
.OCPP_RESPONSE_REBOOT_REQUIRED
;
1178 return Constants
.OCPP_RESPONSE_ACCEPTED
;
1182 async
handleRequestRemoteStartTransaction(commandPayload
) {
1183 const transactionConnectorID
= commandPayload
.connectorId
? commandPayload
.connectorId
: '1';
1184 if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) {
1185 // Check if authorized
1186 if (this._authorizedTags
.find((value
) => value
=== commandPayload
.idTag
)) {
1187 // Authorization successful start transaction
1188 this.sendStartTransactionWithTimeout(transactionConnectorID
, commandPayload
.idTag
);
1189 logger
.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo
.name
+ '#' + transactionConnectorID
+ ' for idTag ' + commandPayload
.idTag
);
1190 return Constants
.OCPP_RESPONSE_ACCEPTED
;
1192 logger
.error(this._logPrefix() + ' Remote starting transaction REJECTED with status ' + commandPayload
.idTagInfo
.status
+ ', idTag ' + commandPayload
.idTag
);
1193 return Constants
.OCPP_RESPONSE_REJECTED
;
1195 // No local authorization check required => start transaction
1196 this.sendStartTransactionWithTimeout(transactionConnectorID
, commandPayload
.idTag
);
1197 logger
.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo
.name
+ '#' + transactionConnectorID
+ ' for idTag ' + commandPayload
.idTag
);
1198 return Constants
.OCPP_RESPONSE_ACCEPTED
;
1201 async
handleRequestRemoteStopTransaction(commandPayload
) {
1202 for (const connector
in this._connectors
) {
1203 if (this.getConnector(connector
).transactionId
=== commandPayload
.transactionId
) {
1204 this.sendStopTransaction(commandPayload
.transactionId
);
1205 return Constants
.OCPP_RESPONSE_ACCEPTED
;
1208 logger
.info(this._logPrefix() + ' Try to stop remotely a non existing transaction ' + commandPayload
.transactionId
);
1209 return Constants
.OCPP_RESPONSE_REJECTED
;