Commit | Line | Data |
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7dde0b73 JB |
1 | const Configuration = require('../utils/Configuration'); |
2 | const logger = require('../utils/Logger'); | |
3 | const WebSocket = require('ws'); | |
f7869514 | 4 | const Constants = require('../utils/Constants'); |
7dde0b73 JB |
5 | const Utils = require('../utils/Utils'); |
6 | const OCPPError = require('./OcppError'); | |
7dde0b73 JB |
7 | const AutomaticTransactionGenerator = require('./AutomaticTransactionGenerator'); |
8 | const Statistics = require('../utils/Statistics'); | |
9 | const fs = require('fs'); | |
de1f5008 | 10 | const crypto = require('crypto'); |
7dde0b73 JB |
11 | const {performance, PerformanceObserver} = require('perf_hooks'); |
12 | ||
13 | class ChargingStation { | |
2e6f5966 JB |
14 | constructor(index, stationTemplateFile) { |
15 | this._index = index; | |
16 | this._stationTemplateFile = stationTemplateFile; | |
fa9bcef2 | 17 | this._connectors = {}; |
2e6f5966 JB |
18 | this._initialize(); |
19 | ||
0a60c33c | 20 | this._isSocketRestart = false; |
7dde0b73 JB |
21 | this._autoReconnectRetryCount = 0; |
22 | this._autoReconnectMaxRetries = Configuration.getAutoReconnectMaxRetries(); // -1 for unlimited | |
23 | this._autoReconnectTimeout = Configuration.getAutoReconnectTimeout() * 1000; // ms, zero for disabling | |
2e6f5966 JB |
24 | |
25 | this._requests = {}; | |
26 | this._messageQueue = []; | |
27 | ||
83045896 | 28 | this._authorizedTags = this._loadAndGetAuthorizedTags(); |
2e6f5966 JB |
29 | } |
30 | ||
5ad8570f JB |
31 | _getStationName(stationTemplate) { |
32 | return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + this._index).substr(('000000000' + this._index).length - 4); | |
33 | } | |
34 | ||
35 | _buildStationInfo() { | |
36 | let stationTemplateFromFile; | |
37 | try { | |
38 | // Load template file | |
39 | const fileDescriptor = fs.openSync(this._stationTemplateFile, 'r'); | |
40 | stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')); | |
41 | fs.closeSync(fileDescriptor); | |
42 | } catch (error) { | |
cdd9fed5 JB |
43 | logger.error('Template file ' + this._stationTemplateFile + ' loading error: ' + error); |
44 | throw error; | |
5ad8570f JB |
45 | } |
46 | const stationTemplate = stationTemplateFromFile || {}; | |
0a60c33c | 47 | if (!Utils.isEmptyArray(stationTemplateFromFile.power)) { |
5ad8570f JB |
48 | stationTemplate.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)]; |
49 | } else { | |
50 | stationTemplate.maxPower = stationTemplateFromFile.power; | |
51 | } | |
52 | stationTemplate.name = this._getStationName(stationTemplateFromFile); | |
0a60c33c | 53 | stationTemplate.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; |
5ad8570f JB |
54 | return stationTemplate; |
55 | } | |
56 | ||
2e6f5966 JB |
57 | _initialize() { |
58 | this._stationInfo = this._buildStationInfo(); | |
59 | this._bootNotificationMessage = { | |
60 | chargePointModel: this._stationInfo.chargePointModel, | |
61 | chargePointVendor: this._stationInfo.chargePointVendor, | |
6958152c | 62 | chargePointSerialNumber: this._stationInfo.chargePointSerialNumberPrefix ? this._stationInfo.chargePointSerialNumberPrefix : '', |
34dcb3b5 | 63 | firmwareVersion: this._stationInfo.firmwareVersion ? this._stationInfo.firmwareVersion : '', |
2e6f5966 JB |
64 | }; |
65 | this._configuration = this._getConfiguration(); | |
2e6f5966 | 66 | this._supervisionUrl = this._getSupervisionURL(); |
0a60c33c JB |
67 | this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; |
68 | // Build connectors if needed | |
6ecb15e4 JB |
69 | const maxConnectors = this._getMaxNumberOfConnectors(); |
70 | if (maxConnectors <= 0) { | |
488fd3a7 | 71 | const errMsg = `${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connectors`; |
6ecb15e4 JB |
72 | logger.error(errMsg); |
73 | throw Error(errMsg); | |
74 | } | |
8bce55bf | 75 | const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this._stationInfo.Connectors) + maxConnectors.toString()).digest('hex'); |
de1f5008 JB |
76 | // FIXME: Handle shrinking the number of connectors |
77 | if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) { | |
78 | this._connectorsConfigurationHash = connectorsConfigHash; | |
0a60c33c JB |
79 | // Determine number of customized connectors |
80 | let lastConnector; | |
8bce55bf | 81 | for (lastConnector in this._stationInfo.Connectors) { |
6ecb15e4 | 82 | // Add connector Id 0 |
488fd3a7 JB |
83 | if (Utils.convertToBoolean(this._stationInfo.useConnectorId0) && this._stationInfo.Connectors[lastConnector] && |
84 | lastConnector === 0) { | |
8bce55bf | 85 | this._connectors[lastConnector] = Utils.cloneJSonDocument(this._stationInfo.Connectors[lastConnector]); |
0a60c33c JB |
86 | } |
87 | } | |
88 | this._addConfigurationKey('NumberOfConnectors', maxConnectors, true); | |
6ecb15e4 JB |
89 | if (!this._getConfigurationKey('MeterValuesSampledData')) { |
90 | this._addConfigurationKey('MeterValuesSampledData', 'Energy.Active.Import.Register'); | |
91 | } | |
488fd3a7 JB |
92 | // Sanity check |
93 | if (maxConnectors > lastConnector && !Utils.convertToBoolean(this._stationInfo.randomConnectors)) { | |
94 | logger.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this._stationTemplateFile}, forcing random connector configurations affectation`); | |
95 | this._stationInfo.randomConnectors = true; | |
96 | } | |
0a60c33c JB |
97 | // Generate all connectors |
98 | for (let index = 1; index <= maxConnectors; index++) { | |
99 | const randConnectorID = Utils.convertToBoolean(this._stationInfo.randomConnectors) ? Utils.getRandomInt(lastConnector, 1) : index; | |
8bce55bf | 100 | this._connectors[index] = Utils.cloneJSonDocument(this._stationInfo.Connectors[randConnectorID]); |
0a60c33c JB |
101 | } |
102 | } | |
d4a73fb7 JB |
103 | // Avoid duplication of connectors related information |
104 | delete this._stationInfo.Connectors; | |
0a60c33c JB |
105 | // Initialize transaction attributes on connectors |
106 | for (const connector in this._connectors) { | |
8bce55bf | 107 | if (!this.getConnector(connector).transactionStarted) { |
0a60c33c JB |
108 | this._initTransactionOnConnector(connector); |
109 | } | |
110 | } | |
6ecb15e4 | 111 | this._stationInfo.powerDivider = this._getPowerDivider(); |
8bce55bf JB |
112 | if (this.getEnableStatistics()) { |
113 | this._statistics = Statistics.getInstance(); | |
114 | this._statistics.objName = this._stationInfo.name; | |
115 | this._performanceObserver = new PerformanceObserver((list) => { | |
116 | const entry = list.getEntries()[0]; | |
117 | this._statistics.logPerformance(entry, 'ChargingStation'); | |
118 | this._performanceObserver.disconnect(); | |
119 | }); | |
120 | } | |
7dde0b73 JB |
121 | } |
122 | ||
ead548f2 JB |
123 | _logPrefix() { |
124 | return Utils.logPrefix(` ${this._stationInfo.name}:`); | |
7dde0b73 JB |
125 | } |
126 | ||
2e6f5966 JB |
127 | _getConfiguration() { |
128 | return this._stationInfo.Configuration ? this._stationInfo.Configuration : {}; | |
7dde0b73 JB |
129 | } |
130 | ||
2e6f5966 JB |
131 | _getAuthorizationFile() { |
132 | return this._stationInfo.authorizationFile ? this._stationInfo.authorizationFile : ''; | |
7dde0b73 JB |
133 | } |
134 | ||
83045896 | 135 | _loadAndGetAuthorizedTags() { |
2e6f5966 JB |
136 | let authorizedTags = []; |
137 | const authorizationFile = this._getAuthorizationFile(); | |
138 | if (authorizationFile) { | |
139 | try { | |
140 | // Load authorization file | |
141 | const fileDescriptor = fs.openSync(authorizationFile, 'r'); | |
142 | authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')); | |
143 | fs.closeSync(fileDescriptor); | |
144 | } catch (error) { | |
cdd9fed5 JB |
145 | logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: ' + error); |
146 | throw error; | |
2e6f5966 JB |
147 | } |
148 | } else { | |
ead548f2 | 149 | logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile); |
2e6f5966 JB |
150 | } |
151 | return authorizedTags; | |
152 | } | |
153 | ||
5ad8570f JB |
154 | getRandomTagId() { |
155 | const index = Math.floor(Math.random() * this._authorizedTags.length); | |
156 | return this._authorizedTags[index]; | |
2e6f5966 JB |
157 | } |
158 | ||
5ad8570f JB |
159 | hasAuthorizedTags() { |
160 | return !Utils.isEmptyArray(this._authorizedTags); | |
161 | } | |
162 | ||
8bce55bf JB |
163 | getEnableStatistics() { |
164 | return !Utils.isUndefined(this._stationInfo.enableStatistics) ? this._stationInfo.enableStatistics : true; | |
165 | } | |
166 | ||
6ecb15e4 JB |
167 | _getNumberOfRunningTransactions() { |
168 | let trxCount = 0; | |
169 | for (const connector in this._connectors) { | |
8bce55bf | 170 | if (this.getConnector(connector).transactionStarted) { |
6ecb15e4 JB |
171 | trxCount++; |
172 | } | |
173 | } | |
174 | return trxCount; | |
175 | } | |
176 | ||
177 | _getPowerDivider() { | |
178 | let powerDivider = this._getNumberOfConnectors(); | |
179 | if (this._stationInfo.powerSharedByConnectors) { | |
180 | powerDivider = this._getNumberOfRunningTransactions(); | |
181 | } | |
182 | return powerDivider; | |
183 | } | |
184 | ||
8bce55bf JB |
185 | getConnector(id) { |
186 | return this._connectors[Utils.convertToInt(id)]; | |
6ecb15e4 JB |
187 | } |
188 | ||
189 | _getMaxNumberOfConnectors() { | |
5ad8570f | 190 | let maxConnectors = 0; |
0a60c33c | 191 | if (!Utils.isEmptyArray(this._stationInfo.numberOfConnectors)) { |
6ecb15e4 | 192 | // Distribute evenly the number of connectors |
5ad8570f | 193 | maxConnectors = this._stationInfo.numberOfConnectors[(this._index - 1) % this._stationInfo.numberOfConnectors.length]; |
488fd3a7 | 194 | } else if (this._stationInfo.numberOfConnectors) { |
5ad8570f | 195 | maxConnectors = this._stationInfo.numberOfConnectors; |
488fd3a7 JB |
196 | } else { |
197 | maxConnectors = Utils.convertToBoolean(this._stationInfo.useConnectorId0) ? Object.keys(this._stationInfo.Connectors).length - 1 : | |
198 | Object.keys(this._stationInfo.Connectors).length; | |
5ad8570f JB |
199 | } |
200 | return maxConnectors; | |
2e6f5966 JB |
201 | } |
202 | ||
6ecb15e4 JB |
203 | _getNumberOfConnectors() { |
204 | return Utils.convertToBoolean(this._stationInfo.useConnectorId0) ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length; | |
205 | } | |
206 | ||
2e6f5966 JB |
207 | _getSupervisionURL() { |
208 | const supervisionUrls = Utils.cloneJSonDocument(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()); | |
7dde0b73 | 209 | let indexUrl = 0; |
0a60c33c | 210 | if (!Utils.isEmptyArray(supervisionUrls)) { |
2e6f5966 JB |
211 | if (Configuration.getDistributeStationToTenantEqually()) { |
212 | indexUrl = this._index % supervisionUrls.length; | |
7dde0b73 JB |
213 | } else { |
214 | // Get a random url | |
215 | indexUrl = Math.floor(Math.random() * supervisionUrls.length); | |
216 | } | |
217 | return supervisionUrls[indexUrl]; | |
218 | } | |
219 | return supervisionUrls; | |
220 | } | |
221 | ||
7dde0b73 | 222 | _getAuthorizeRemoteTxRequests() { |
61c2e33d | 223 | const authorizeRemoteTxRequests = this._getConfigurationKey('AuthorizeRemoteTxRequests'); |
a6e68f34 | 224 | return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false; |
7dde0b73 JB |
225 | } |
226 | ||
def3d48e | 227 | _getLocalAuthListEnabled() { |
61c2e33d | 228 | const localAuthListEnabled = this._getConfigurationKey('LocalAuthListEnabled'); |
def3d48e JB |
229 | return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; |
230 | } | |
231 | ||
5ad8570f JB |
232 | async _basicStartMessageSequence() { |
233 | // Start heartbeat | |
234 | this._startHeartbeat(this); | |
0a60c33c | 235 | // Initialize connectors status |
5ad8570f | 236 | for (const connector in this._connectors) { |
8bce55bf JB |
237 | if (!this.getConnector(connector).transactionStarted) { |
238 | if (this.getConnector(connector).bootStatus) { | |
239 | this.sendStatusNotificationWithTimeout(connector, this.getConnector(connector).bootStatus); | |
5ad8570f JB |
240 | } else { |
241 | this.sendStatusNotificationWithTimeout(connector, 'Available'); | |
242 | } | |
243 | } else { | |
244 | this.sendStatusNotificationWithTimeout(connector, 'Charging'); | |
245 | } | |
246 | } | |
0a60c33c | 247 | // Start the ATG |
5ad8570f JB |
248 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable)) { |
249 | if (!this._automaticTransactionGeneration) { | |
250 | this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this); | |
251 | } | |
252 | if (this._automaticTransactionGeneration.timeToStop) { | |
253 | this._automaticTransactionGeneration.start(); | |
254 | } | |
255 | } | |
8bce55bf JB |
256 | if (this.getEnableStatistics()) { |
257 | this._statistics.start(); | |
258 | } | |
5ad8570f JB |
259 | } |
260 | ||
261 | // eslint-disable-next-line class-methods-use-this | |
262 | async _startHeartbeat(self) { | |
0a60c33c | 263 | if (self._heartbeatInterval && self._heartbeatInterval > 0 && !self._heartbeatSetInterval) { |
5ad8570f | 264 | self._heartbeatSetInterval = setInterval(() => { |
0a60c33c | 265 | this.sendHeartbeat(); |
5ad8570f | 266 | }, self._heartbeatInterval); |
ead548f2 | 267 | logger.info(self._logPrefix() + ' Heartbeat started every ' + self._heartbeatInterval + 'ms'); |
7dde0b73 | 268 | } else { |
ead548f2 | 269 | logger.error(`${self._logPrefix()} Heartbeat interval set to ${self._heartbeatInterval}, not starting the heartbeat`); |
0a60c33c JB |
270 | } |
271 | } | |
272 | ||
273 | async _stopHeartbeat() { | |
274 | if (this._heartbeatSetInterval) { | |
275 | clearInterval(this._heartbeatSetInterval); | |
276 | this._heartbeatSetInterval = null; | |
7dde0b73 | 277 | } |
5ad8570f JB |
278 | } |
279 | ||
280 | _startAuthorizationFileMonitoring() { | |
281 | // eslint-disable-next-line no-unused-vars | |
282 | fs.watchFile(this._getAuthorizationFile(), (current, previous) => { | |
283 | try { | |
ead548f2 | 284 | logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload'); |
5ad8570f JB |
285 | // Initialize _authorizedTags |
286 | this._authorizedTags = this._loadAndGetAuthorizedTags(); | |
287 | } catch (error) { | |
ead548f2 | 288 | logger.error(this._logPrefix() + ' Authorization file monitoring error: ' + error); |
5ad8570f JB |
289 | } |
290 | }); | |
291 | } | |
292 | ||
293 | _startStationTemplateFileMonitoring() { | |
294 | // eslint-disable-next-line no-unused-vars | |
295 | fs.watchFile(this._stationTemplateFile, (current, previous) => { | |
296 | try { | |
ead548f2 | 297 | logger.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile + ' have changed, reload'); |
5ad8570f JB |
298 | // Initialize |
299 | this._initialize(); | |
300 | this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0)); | |
301 | this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0), false, false); | |
5ad8570f | 302 | } catch (error) { |
ead548f2 | 303 | logger.error(this._logPrefix() + ' Charging station template file monitoring error: ' + error); |
5ad8570f JB |
304 | } |
305 | }); | |
306 | } | |
307 | ||
bec64e8b | 308 | async _startMeterValues(connectorId, interval) { |
8bce55bf | 309 | if (!this.getConnector(connectorId).transactionStarted) { |
6ecb15e4 | 310 | logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`); |
5ad8570f | 311 | return; |
8bce55bf | 312 | } else if (this.getConnector(connectorId).transactionStarted && !this.getConnector(connectorId).transactionId) { |
6ecb15e4 | 313 | logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`); |
5ad8570f JB |
314 | return; |
315 | } | |
0a60c33c | 316 | if (interval > 0) { |
8bce55bf JB |
317 | this.getConnector(connectorId).transactionSetInterval = setInterval(async () => { |
318 | if (this.getEnableStatistics()) { | |
319 | const sendMeterValues = performance.timerify(this.sendMeterValues); | |
320 | this._performanceObserver.observe({ | |
321 | entryTypes: ['function'], | |
322 | }); | |
323 | await sendMeterValues(connectorId, interval, this); | |
324 | } else { | |
325 | await this.sendMeterValues(connectorId, interval, this); | |
326 | } | |
0a60c33c JB |
327 | }, interval); |
328 | } else { | |
ead548f2 | 329 | logger.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${interval}ms, not sending MeterValues`); |
0a60c33c | 330 | } |
7dde0b73 JB |
331 | } |
332 | ||
333 | async start() { | |
0a60c33c JB |
334 | if (!this._wsConnectionUrl) { |
335 | this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; | |
5ad8570f | 336 | } |
0a60c33c | 337 | this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16); |
ead548f2 | 338 | logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl); |
2e6f5966 JB |
339 | // Monitor authorization file |
340 | this._startAuthorizationFileMonitoring(); | |
341 | // Monitor station template file | |
342 | this._startStationTemplateFileMonitoring(); | |
7dde0b73 JB |
343 | // Handle Socket incoming messages |
344 | this._wsConnection.on('message', this.onMessage.bind(this)); | |
345 | // Handle Socket error | |
346 | this._wsConnection.on('error', this.onError.bind(this)); | |
347 | // Handle Socket close | |
348 | this._wsConnection.on('close', this.onClose.bind(this)); | |
349 | // Handle Socket opening connection | |
350 | this._wsConnection.on('open', this.onOpen.bind(this)); | |
351 | // Handle Socket ping | |
352 | this._wsConnection.on('ping', this.onPing.bind(this)); | |
353 | } | |
354 | ||
2d0e26f5 | 355 | async stop(reason = '') { |
5ad8570f | 356 | // Stop heartbeat |
0a60c33c | 357 | await this._stopHeartbeat(); |
5ad8570f JB |
358 | // Stop the ATG |
359 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) && | |
360 | this._automaticTransactionGeneration && | |
361 | !this._automaticTransactionGeneration.timeToStop) { | |
2d0e26f5 | 362 | await this._automaticTransactionGeneration.stop(reason); |
5ad8570f JB |
363 | } else { |
364 | for (const connector in this._connectors) { | |
8bce55bf JB |
365 | if (this.getConnector(connector).transactionStarted) { |
366 | await this.sendStopTransaction(this.getConnector(connector).transactionId, reason); | |
5ad8570f JB |
367 | } |
368 | } | |
369 | } | |
370 | // eslint-disable-next-line guard-for-in | |
371 | for (const connector in this._connectors) { | |
372 | await this.sendStatusNotification(connector, 'Unavailable'); | |
373 | } | |
0a60c33c | 374 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
5ad8570f JB |
375 | await this._wsConnection.close(); |
376 | } | |
377 | } | |
378 | ||
379 | _reconnect(error) { | |
ead548f2 | 380 | logger.error(this._logPrefix() + ' Socket: abnormally closed', error); |
5ad8570f JB |
381 | // Stop the ATG if needed |
382 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) && | |
383 | Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure) && | |
384 | this._automaticTransactionGeneration && | |
385 | !this._automaticTransactionGeneration.timeToStop) { | |
386 | this._automaticTransactionGeneration.stop(); | |
387 | } | |
388 | // Stop heartbeat | |
0a60c33c | 389 | this._stopHeartbeat(); |
5ad8570f JB |
390 | if (this._autoReconnectTimeout !== 0 && |
391 | (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1)) { | |
ead548f2 | 392 | logger.error(`${this._logPrefix()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`); |
5ad8570f JB |
393 | this._autoReconnectRetryCount++; |
394 | setTimeout(() => { | |
ead548f2 | 395 | logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount); |
5ad8570f JB |
396 | this.start(); |
397 | }, this._autoReconnectTimeout); | |
398 | } else if (this._autoReconnectTimeout !== 0 || this._autoReconnectMaxRetries !== -1) { | |
ead548f2 | 399 | logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`); |
5ad8570f JB |
400 | } |
401 | } | |
402 | ||
7dde0b73 | 403 | onOpen() { |
ead548f2 | 404 | logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`); |
5ad8570f | 405 | if (!this._isSocketRestart) { |
0bbcb3dc | 406 | // Send BootNotification |
0a60c33c | 407 | this.sendBootNotification(); |
0bbcb3dc | 408 | } |
7dde0b73 | 409 | if (this._isSocketRestart) { |
027b409a | 410 | this._basicStartMessageSequence(); |
546dec0f | 411 | if (!Utils.isEmptyArray(this._messageQueue)) { |
7dde0b73 | 412 | this._messageQueue.forEach((message) => { |
0a60c33c | 413 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
414 | this._wsConnection.send(message); |
415 | } | |
416 | }); | |
417 | } | |
7dde0b73 JB |
418 | } |
419 | this._autoReconnectRetryCount = 0; | |
420 | this._isSocketRestart = false; | |
421 | } | |
422 | ||
423 | onError(error) { | |
424 | switch (error) { | |
425 | case 'ECONNREFUSED': | |
426 | this._isSocketRestart = true; | |
427 | this._reconnect(error); | |
428 | break; | |
429 | default: | |
ead548f2 | 430 | logger.error(this._logPrefix() + ' Socket error: ' + error); |
7dde0b73 JB |
431 | break; |
432 | } | |
433 | } | |
434 | ||
435 | onClose(error) { | |
436 | switch (error) { | |
437 | case 1000: // Normal close | |
438 | case 1005: | |
ead548f2 | 439 | logger.info(this._logPrefix() + ' Socket normally closed ' + error); |
7dde0b73 JB |
440 | this._autoReconnectRetryCount = 0; |
441 | break; | |
442 | default: // Abnormal close | |
443 | this._isSocketRestart = true; | |
444 | this._reconnect(error); | |
445 | break; | |
446 | } | |
447 | } | |
448 | ||
449 | onPing() { | |
ead548f2 | 450 | logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server'); |
7dde0b73 JB |
451 | } |
452 | ||
453 | async onMessage(message) { | |
2d8cee5a | 454 | let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', '']; |
7dde0b73 | 455 | try { |
2d8cee5a JB |
456 | // Parse the message |
457 | [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(message); | |
458 | ||
7dde0b73 JB |
459 | // Check the Type of message |
460 | switch (messageType) { | |
461 | // Incoming Message | |
f7869514 | 462 | case Constants.OCPP_JSON_CALL_MESSAGE: |
7dde0b73 | 463 | // Process the call |
7dde0b73 JB |
464 | await this.handleRequest(messageId, commandName, commandPayload); |
465 | break; | |
466 | // Outcome Message | |
f7869514 | 467 | case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: |
7dde0b73 JB |
468 | // Respond |
469 | // eslint-disable-next-line no-case-declarations | |
470 | let responseCallback; let requestPayload; | |
471 | if (Utils.isIterable(this._requests[messageId])) { | |
472 | [responseCallback, , requestPayload] = this._requests[messageId]; | |
473 | } else { | |
474 | throw new Error(`Response request for unknown message id ${messageId} is not iterable`); | |
475 | } | |
476 | if (!responseCallback) { | |
477 | // Error | |
478 | throw new Error(`Response for unknown message id ${messageId}`); | |
479 | } | |
480 | delete this._requests[messageId]; | |
7dde0b73 JB |
481 | responseCallback(commandName, requestPayload); |
482 | break; | |
483 | // Error Message | |
f7869514 | 484 | case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: |
7dde0b73 JB |
485 | if (!this._requests[messageId]) { |
486 | // Error | |
487 | throw new Error(`Error for unknown message id ${messageId}`); | |
488 | } | |
489 | // eslint-disable-next-line no-case-declarations | |
490 | let rejectCallback; | |
491 | if (Utils.isIterable(this._requests[messageId])) { | |
492 | [, rejectCallback] = this._requests[messageId]; | |
493 | } else { | |
494 | throw new Error(`Error request for unknown message id ${messageId} is not iterable`); | |
495 | } | |
496 | delete this._requests[messageId]; | |
497 | rejectCallback(new OCPPError(commandName, commandPayload, errorDetails)); | |
498 | break; | |
499 | // Error | |
500 | default: | |
501 | throw new Error(`Wrong message type ${messageType}`); | |
502 | } | |
503 | } catch (error) { | |
504 | // Log | |
ead548f2 | 505 | logger.error('%s Incoming message %j processing error %s on request content %s', this._logPrefix(), message, error, this._requests[messageId]); |
7dde0b73 JB |
506 | // Send error |
507 | // await this.sendError(messageId, error); | |
508 | } | |
509 | } | |
510 | ||
0a60c33c JB |
511 | sendHeartbeat() { |
512 | try { | |
513 | const payload = { | |
514 | currentTime: new Date().toISOString(), | |
515 | }; | |
516 | this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat'); | |
517 | } catch (error) { | |
ead548f2 | 518 | logger.error(this._logPrefix() + ' Send Heartbeat error: ' + error); |
0a60c33c JB |
519 | throw error; |
520 | } | |
521 | } | |
522 | ||
523 | sendBootNotification() { | |
524 | try { | |
525 | this.sendMessage(Utils.generateUUID(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification'); | |
526 | } catch (error) { | |
ead548f2 | 527 | logger.error(this._logPrefix() + ' Send BootNotification error: ' + error); |
0a60c33c JB |
528 | throw error; |
529 | } | |
530 | } | |
531 | ||
5ad8570f JB |
532 | async sendStatusNotification(connectorId, status, errorCode = 'NoError') { |
533 | try { | |
534 | const payload = { | |
535 | connectorId, | |
536 | errorCode, | |
537 | status, | |
538 | }; | |
539 | await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification'); | |
540 | } catch (error) { | |
ead548f2 | 541 | logger.error(this._logPrefix() + ' Send StatusNotification error: ' + error); |
5ad8570f | 542 | throw error; |
027b409a JB |
543 | } |
544 | } | |
545 | ||
5ad8570f JB |
546 | sendStatusNotificationWithTimeout(connectorId, status, errorCode = 'NoError', timeout = Constants.STATUS_NOTIFICATION_TIMEOUT) { |
547 | setTimeout(() => this.sendStatusNotification(connectorId, status, errorCode), timeout); | |
548 | } | |
549 | ||
bec64e8b | 550 | async sendStartTransaction(connectorId, idTag) { |
5ad8570f JB |
551 | try { |
552 | const payload = { | |
bec64e8b | 553 | connectorId, |
5ad8570f JB |
554 | idTag, |
555 | meterStart: 0, | |
556 | timestamp: new Date().toISOString(), | |
557 | }; | |
558 | return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction'); | |
559 | } catch (error) { | |
ead548f2 | 560 | logger.error(this._logPrefix() + ' Send StartTransaction error: ' + error); |
5ad8570f | 561 | throw error; |
7dde0b73 JB |
562 | } |
563 | } | |
564 | ||
bec64e8b JB |
565 | sendStartTransactionWithTimeout(connectorId, idTag, timeout) { |
566 | setTimeout(() => this.sendStartTransaction(connectorId, idTag), timeout); | |
7dde0b73 JB |
567 | } |
568 | ||
5ad8570f | 569 | async sendStopTransaction(transactionId, reason = '') { |
027b409a | 570 | try { |
bec64e8b | 571 | let payload; |
2d0e26f5 JB |
572 | if (reason) { |
573 | payload = { | |
574 | transactionId, | |
575 | meterStop: 0, | |
576 | timestamp: new Date().toISOString(), | |
577 | reason, | |
578 | }; | |
579 | } else { | |
580 | payload = { | |
581 | transactionId, | |
582 | meterStop: 0, | |
583 | timestamp: new Date().toISOString(), | |
584 | }; | |
585 | } | |
5ad8570f | 586 | await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction'); |
027b409a | 587 | } catch (error) { |
ead548f2 | 588 | logger.error(this._logPrefix() + ' Send StopTransaction error: ' + error); |
5ad8570f | 589 | throw error; |
027b409a JB |
590 | } |
591 | } | |
592 | ||
5ad8570f | 593 | // eslint-disable-next-line class-methods-use-this |
bec64e8b | 594 | async sendMeterValues(connectorId, interval, self, debug = false) { |
5ad8570f JB |
595 | try { |
596 | const sampledValueLcl = { | |
597 | timestamp: new Date().toISOString(), | |
598 | }; | |
8bce55bf | 599 | const meterValuesClone = Utils.cloneJSonDocument(self.getConnector(connectorId).MeterValues); |
0a60c33c | 600 | if (!Utils.isEmptyArray(meterValuesClone)) { |
5ad8570f JB |
601 | sampledValueLcl.sampledValue = meterValuesClone; |
602 | } else { | |
603 | sampledValueLcl.sampledValue = [meterValuesClone]; | |
604 | } | |
605 | for (let index = 0; index < sampledValueLcl.sampledValue.length; index++) { | |
8bce55bf | 606 | const connector = self.getConnector(connectorId); |
0a60c33c | 607 | // SoC measurand |
6ecb15e4 | 608 | if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'SoC' && self._getConfigurationKey('MeterValuesSampledData').value.includes('SoC')) { |
5c389abe | 609 | sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ? |
9b25a525 JB |
610 | sampledValueLcl.sampledValue[index].value : |
611 | sampledValueLcl.sampledValue[index].value = Utils.getRandomInt(100); | |
5ad8570f | 612 | if (sampledValueLcl.sampledValue[index].value > 100 || debug) { |
ead548f2 | 613 | logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}`); |
5ad8570f | 614 | } |
0a60c33c | 615 | // Voltage measurand |
6ecb15e4 | 616 | } else if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'Voltage' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Voltage')) { |
5c389abe | 617 | sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ? sampledValueLcl.sampledValue[index].value : 230; |
0a60c33c JB |
618 | // Energy.Active.Import.Register measurand (default) |
619 | } else if (!sampledValueLcl.sampledValue[index].measurand || sampledValueLcl.sampledValue[index].measurand === 'Energy.Active.Import.Register') { | |
6ecb15e4 JB |
620 | if (Utils.isUndefined(self._stationInfo.powerDivider)) { |
621 | const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`; | |
622 | logger.error(errMsg); | |
623 | throw Error(errMsg); | |
624 | } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) { | |
625 | const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`; | |
626 | logger.error(errMsg); | |
627 | throw Error(errMsg); | |
628 | } | |
5c389abe | 629 | if (Utils.isUndefined(sampledValueLcl.sampledValue[index].value)) { |
6ecb15e4 | 630 | const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval); |
9b25a525 JB |
631 | // Persist previous value in connector |
632 | if (connector && connector.lastEnergyActiveImportRegisterValue >= 0) { | |
633 | connector.lastEnergyActiveImportRegisterValue += measurandValue; | |
634 | } else { | |
635 | connector.lastEnergyActiveImportRegisterValue = 0; | |
636 | } | |
637 | sampledValueLcl.sampledValue[index].value = connector.lastEnergyActiveImportRegisterValue; | |
5ad8570f | 638 | } |
ead548f2 | 639 | logger.info(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value ${sampledValueLcl.sampledValue[index].value}`); |
6ecb15e4 | 640 | const maxConsumption = self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval); |
5ad8570f | 641 | if (sampledValueLcl.sampledValue[index].value > maxConsumption || debug) { |
ead548f2 | 642 | logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}/${maxConsumption}`); |
5ad8570f | 643 | } |
0a60c33c JB |
644 | // Unsupported measurand |
645 | } else { | |
ead548f2 | 646 | logger.info(`${self._logPrefix()} Unsupported MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'} on connectorId ${connectorId}`); |
5ad8570f JB |
647 | } |
648 | } | |
649 | ||
650 | const payload = { | |
bec64e8b | 651 | connectorId, |
8bce55bf | 652 | transactionId: self.getConnector(connectorId).transactionId, |
5ad8570f JB |
653 | meterValue: [sampledValueLcl], |
654 | }; | |
655 | await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues'); | |
656 | } catch (error) { | |
ead548f2 | 657 | logger.error(self._logPrefix() + ' Send MeterValues error: ' + error); |
0a60c33c | 658 | throw error; |
5ad8570f JB |
659 | } |
660 | } | |
661 | ||
662 | sendError(messageId, err) { | |
663 | // Check exception: only OCPP error are accepted | |
664 | const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message); | |
665 | // Send error | |
666 | return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE); | |
027b409a JB |
667 | } |
668 | ||
f7869514 | 669 | sendMessage(messageId, command, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName = '') { |
7dde0b73 JB |
670 | // Send a message through wsConnection |
671 | const self = this; | |
672 | // Create a promise | |
673 | return new Promise((resolve, reject) => { | |
674 | let messageToSend; | |
675 | // Type of message | |
676 | switch (messageType) { | |
677 | // Request | |
f7869514 | 678 | case Constants.OCPP_JSON_CALL_MESSAGE: |
8bce55bf JB |
679 | if (this.getEnableStatistics()) { |
680 | this._statistics.addMessage(commandName); | |
681 | } | |
7dde0b73 JB |
682 | // Build request |
683 | this._requests[messageId] = [responseCallback, rejectCallback, command]; | |
684 | messageToSend = JSON.stringify([messageType, messageId, commandName, command]); | |
685 | break; | |
686 | // Response | |
f7869514 | 687 | case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: |
8bce55bf JB |
688 | if (this.getEnableStatistics()) { |
689 | this._statistics.addMessage(commandName); | |
690 | } | |
7dde0b73 JB |
691 | // Build response |
692 | messageToSend = JSON.stringify([messageType, messageId, command]); | |
693 | break; | |
694 | // Error Message | |
f7869514 | 695 | case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: |
8bce55bf JB |
696 | if (this.getEnableStatistics()) { |
697 | this._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`); | |
698 | } | |
7dde0b73 | 699 | // Build Message |
894a1780 | 700 | messageToSend = JSON.stringify([messageType, messageId, command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR, command.message ? command.message : '', command.details ? command.details : {}]); |
7dde0b73 JB |
701 | break; |
702 | } | |
2e6f5966 | 703 | // Check if wsConnection is ready |
0a60c33c | 704 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
705 | // Yes: Send Message |
706 | this._wsConnection.send(messageToSend); | |
707 | } else { | |
708 | // Buffer message until connection is back | |
709 | this._messageQueue.push(messageToSend); | |
710 | } | |
711 | // Request? | |
f7869514 | 712 | if (messageType !== Constants.OCPP_JSON_CALL_MESSAGE) { |
7dde0b73 JB |
713 | // Yes: send Ok |
714 | resolve(); | |
0a60c33c | 715 | } else if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
716 | // Send timeout in case connection is open otherwise wait for ever |
717 | // FIXME: Handle message on timeout | |
f7869514 | 718 | setTimeout(() => rejectCallback(`Timeout for message ${messageId}`), Constants.OCPP_SOCKET_TIMEOUT); |
7dde0b73 JB |
719 | } |
720 | ||
721 | // Function that will receive the request's response | |
722 | function responseCallback(payload, requestPayload) { | |
8bce55bf JB |
723 | if (self.getEnableStatistics()) { |
724 | self._statistics.addMessage(commandName, true); | |
725 | } | |
7dde0b73 JB |
726 | const responseCallbackFn = 'handleResponse' + commandName; |
727 | if (typeof self[responseCallbackFn] === 'function') { | |
728 | self[responseCallbackFn](payload, requestPayload, self); | |
729 | } else { | |
ead548f2 | 730 | logger.debug(self._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn); |
7dde0b73 JB |
731 | } |
732 | // Send the response | |
733 | resolve(payload); | |
734 | } | |
735 | ||
736 | // Function that will receive the request's rejection | |
737 | function rejectCallback(reason) { | |
8bce55bf JB |
738 | if (self.getEnableStatistics()) { |
739 | self._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`, true); | |
740 | } | |
7dde0b73 JB |
741 | // Build Exception |
742 | // eslint-disable-next-line no-empty-function | |
743 | self._requests[messageId] = [() => { }, () => { }, '']; // Properly format the request | |
744 | const error = reason instanceof OCPPError ? reason : new Error(reason); | |
745 | // Send error | |
746 | reject(error); | |
747 | } | |
748 | }); | |
749 | } | |
750 | ||
5ad8570f JB |
751 | handleResponseBootNotification(payload) { |
752 | if (payload.status === 'Accepted') { | |
753 | this._heartbeatInterval = payload.interval * 1000; | |
754 | this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(payload.interval)); | |
755 | this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(payload.interval), false, false); | |
756 | this._basicStartMessageSequence(); | |
0a60c33c | 757 | } else if (payload.status === 'Pending') { |
ead548f2 | 758 | logger.info(this._logPrefix() + ' Charging station pending on the central server'); |
5ad8570f | 759 | } else { |
ead548f2 | 760 | logger.info(this._logPrefix() + ' Charging station rejected by the central server'); |
7dde0b73 | 761 | } |
7dde0b73 JB |
762 | } |
763 | ||
bec64e8b | 764 | _initTransactionOnConnector(connectorId) { |
8bce55bf JB |
765 | this.getConnector(connectorId).transactionStarted = false; |
766 | this.getConnector(connectorId).transactionId = null; | |
767 | this.getConnector(connectorId).idTag = null; | |
768 | this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1; | |
0a60c33c JB |
769 | } |
770 | ||
bec64e8b JB |
771 | _resetTransactionOnConnector(connectorId) { |
772 | this._initTransactionOnConnector(connectorId); | |
8bce55bf JB |
773 | if (this.getConnector(connectorId).transactionSetInterval) { |
774 | clearInterval(this.getConnector(connectorId).transactionSetInterval); | |
027b409a JB |
775 | } |
776 | } | |
777 | ||
7dde0b73 | 778 | handleResponseStartTransaction(payload, requestPayload) { |
8bce55bf JB |
779 | if (this.getConnector(requestPayload.connectorId).transactionStarted) { |
780 | logger.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + requestPayload.connectorId + ': %s', this.getConnector(requestPayload.connectorId)); | |
2d0e26f5 | 781 | return; |
d3a7883e | 782 | } |
84393381 | 783 | |
7de604f9 JB |
784 | let transactionConnectorId; |
785 | for (const connector in this._connectors) { | |
786 | if (Utils.convertToInt(connector) === Utils.convertToInt(requestPayload.connectorId)) { | |
787 | transactionConnectorId = connector; | |
788 | break; | |
7dde0b73 | 789 | } |
7de604f9 JB |
790 | } |
791 | if (!transactionConnectorId) { | |
ead548f2 | 792 | logger.error(this._logPrefix() + ' Try to start a transaction on a non existing connector Id ' + requestPayload.connectorId); |
7de604f9 JB |
793 | return; |
794 | } | |
795 | if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') { | |
8bce55bf JB |
796 | this.getConnector(requestPayload.connectorId).transactionStarted = true; |
797 | this.getConnector(requestPayload.connectorId).transactionId = payload.transactionId; | |
798 | this.getConnector(requestPayload.connectorId).idTag = requestPayload.idTag; | |
799 | this.getConnector(requestPayload.connectorId).lastEnergyActiveImportRegisterValue = 0; | |
7de604f9 | 800 | this.sendStatusNotification(requestPayload.connectorId, 'Charging'); |
ead548f2 | 801 | logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId + ' for idTag ' + requestPayload.idTag); |
6ecb15e4 JB |
802 | if (this._stationInfo.powerSharedByConnectors) { |
803 | this._stationInfo.powerDivider++; | |
804 | } | |
7de604f9 | 805 | const configuredMeterValueSampleInterval = this._getConfigurationKey('MeterValueSampleInterval'); |
5ad8570f | 806 | this._startMeterValues(requestPayload.connectorId, |
7de604f9 | 807 | configuredMeterValueSampleInterval ? configuredMeterValueSampleInterval.value * 1000 : 60000); |
7dde0b73 | 808 | } else { |
ead548f2 | 809 | logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag); |
8bce55bf | 810 | this._resetTransactionOnConnector(requestPayload.connectorId); |
7dde0b73 JB |
811 | this.sendStatusNotification(requestPayload.connectorId, 'Available'); |
812 | } | |
813 | } | |
814 | ||
34dcb3b5 | 815 | handleResponseStopTransaction(payload, requestPayload) { |
d3a7883e JB |
816 | let transactionConnectorId; |
817 | for (const connector in this._connectors) { | |
8bce55bf | 818 | if (this.getConnector(connector).transactionId === requestPayload.transactionId) { |
d3a7883e JB |
819 | transactionConnectorId = connector; |
820 | break; | |
821 | } | |
822 | } | |
823 | if (!transactionConnectorId) { | |
ead548f2 | 824 | logger.error(this._logPrefix() + ' Try to stop a non existing transaction ' + requestPayload.transactionId); |
7de604f9 | 825 | return; |
d3a7883e JB |
826 | } |
827 | if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') { | |
828 | this.sendStatusNotification(transactionConnectorId, 'Available'); | |
6ecb15e4 JB |
829 | if (this._stationInfo.powerSharedByConnectors) { |
830 | this._stationInfo.powerDivider--; | |
831 | } | |
ead548f2 | 832 | logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId); |
d3a7883e | 833 | this._resetTransactionOnConnector(transactionConnectorId); |
34dcb3b5 | 834 | } else { |
ead548f2 | 835 | logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status); |
34dcb3b5 JB |
836 | } |
837 | } | |
838 | ||
facd8ebd | 839 | handleResponseStatusNotification(payload, requestPayload) { |
ead548f2 | 840 | logger.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload); |
7dde0b73 JB |
841 | } |
842 | ||
facd8ebd | 843 | handleResponseMeterValues(payload, requestPayload) { |
ead548f2 | 844 | logger.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload); |
027b409a JB |
845 | } |
846 | ||
facd8ebd | 847 | handleResponseHeartbeat(payload, requestPayload) { |
ead548f2 | 848 | logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload); |
7dde0b73 JB |
849 | } |
850 | ||
851 | async handleRequest(messageId, commandName, commandPayload) { | |
8bce55bf JB |
852 | if (this.getEnableStatistics()) { |
853 | this._statistics.addMessage(commandName, true); | |
854 | } | |
7dde0b73 | 855 | let result; |
7dde0b73 JB |
856 | // Call |
857 | if (typeof this['handle' + commandName] === 'function') { | |
858 | try { | |
859 | // Call the method | |
860 | result = await this['handle' + commandName](commandPayload); | |
861 | } catch (error) { | |
862 | // Log | |
ead548f2 | 863 | logger.error(this._logPrefix() + ' Handle request error: ' + error); |
facd8ebd | 864 | // Send back response to inform backend |
7dde0b73 JB |
865 | await this.sendError(messageId, error); |
866 | } | |
867 | } else { | |
84393381 | 868 | // Throw exception |
f7869514 | 869 | await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, 'Not implemented', {})); |
7dde0b73 JB |
870 | throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`); |
871 | } | |
84393381 | 872 | // Send response |
f7869514 | 873 | await this.sendMessage(messageId, result, Constants.OCPP_JSON_CALL_RESULT_MESSAGE); |
7dde0b73 JB |
874 | } |
875 | ||
5ad8570f | 876 | async handleReset(commandPayload) { |
5ad8570f JB |
877 | // Simulate charging station restart |
878 | setImmediate(async () => { | |
2d0e26f5 | 879 | await this.stop(commandPayload.type + 'Reset'); |
0a60c33c | 880 | await Utils.sleep(this._stationInfo.resetTime); |
5ad8570f JB |
881 | await this.start(); |
882 | }); | |
ead548f2 | 883 | logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${this._stationInfo.resetTime}ms`); |
5ad8570f JB |
884 | return Constants.OCPP_RESPONSE_ACCEPTED; |
885 | } | |
886 | ||
61c2e33d JB |
887 | _getConfigurationKey(key) { |
888 | return this._configuration.configurationKey.find((configElement) => configElement.key === key); | |
889 | } | |
890 | ||
3497da01 | 891 | _addConfigurationKey(key, value, readonly = false, visible = true, reboot = false) { |
61c2e33d JB |
892 | const keyFound = this._getConfigurationKey(key); |
893 | if (!keyFound) { | |
894 | this._configuration.configurationKey.push({ | |
895 | key, | |
896 | readonly, | |
897 | value, | |
898 | visible, | |
3497da01 | 899 | reboot, |
61c2e33d JB |
900 | }); |
901 | } | |
902 | } | |
903 | ||
904 | _setConfigurationKeyValue(key, value) { | |
905 | const keyFound = this._getConfigurationKey(key); | |
906 | if (keyFound) { | |
d3a7883e JB |
907 | const keyIndex = this._configuration.configurationKey.indexOf(keyFound); |
908 | this._configuration.configurationKey[keyIndex].value = value; | |
61c2e33d JB |
909 | } |
910 | } | |
911 | ||
34dcb3b5 | 912 | async handleGetConfiguration(commandPayload) { |
facd8ebd JB |
913 | const configurationKey = []; |
914 | const unknownKey = []; | |
61c2e33d JB |
915 | if (Utils.isEmptyArray(commandPayload.key)) { |
916 | for (const configuration of this._configuration.configurationKey) { | |
917 | if (Utils.isUndefined(configuration.visible)) { | |
918 | configuration.visible = true; | |
919 | } else { | |
920 | configuration.visible = Utils.convertToBoolean(configuration.visible); | |
921 | } | |
922 | if (!configuration.visible) { | |
923 | continue; | |
924 | } | |
925 | configurationKey.push({ | |
926 | key: configuration.key, | |
927 | readonly: configuration.readonly, | |
928 | value: configuration.value, | |
929 | }); | |
facd8ebd | 930 | } |
61c2e33d | 931 | } else { |
d20c21a0 JB |
932 | for (const configurationKey of commandPayload.key) { |
933 | const keyFound = this._getConfigurationKey(configurationKey); | |
61c2e33d JB |
934 | if (keyFound) { |
935 | if (Utils.isUndefined(keyFound.visible)) { | |
936 | keyFound.visible = true; | |
937 | } else { | |
d20c21a0 | 938 | keyFound.visible = Utils.convertToBoolean(configurationKey.visible); |
61c2e33d JB |
939 | } |
940 | if (!keyFound.visible) { | |
941 | continue; | |
942 | } | |
943 | configurationKey.push({ | |
944 | key: keyFound.key, | |
945 | readonly: keyFound.readonly, | |
946 | value: keyFound.value, | |
947 | }); | |
948 | } else { | |
d20c21a0 | 949 | unknownKey.push(configurationKey); |
61c2e33d | 950 | } |
facd8ebd | 951 | } |
facd8ebd JB |
952 | } |
953 | return { | |
954 | configurationKey, | |
955 | unknownKey, | |
956 | }; | |
7dde0b73 JB |
957 | } |
958 | ||
959 | async handleChangeConfiguration(commandPayload) { | |
61c2e33d | 960 | const keyToChange = this._getConfigurationKey(commandPayload.key); |
7d887a1b JB |
961 | if (!keyToChange) { |
962 | return {status: Constants.OCPP_ERROR_NOT_SUPPORTED}; | |
963 | } else if (keyToChange && Utils.convertToBoolean(keyToChange.readonly)) { | |
964 | return Constants.OCPP_RESPONSE_REJECTED; | |
965 | } else if (keyToChange && !Utils.convertToBoolean(keyToChange.readonly)) { | |
a6e68f34 JB |
966 | const keyIndex = this._configuration.configurationKey.indexOf(keyToChange); |
967 | this._configuration.configurationKey[keyIndex].value = commandPayload.value; | |
d3a7883e JB |
968 | let triggerHeartbeatRestart = false; |
969 | if (keyToChange.key === 'HeartBeatInterval') { | |
970 | this._setConfigurationKeyValue('HeartbeatInterval', commandPayload.value); | |
971 | triggerHeartbeatRestart = true; | |
972 | } | |
973 | if (keyToChange.key === 'HeartbeatInterval') { | |
974 | this._setConfigurationKeyValue('HeartBeatInterval', commandPayload.value); | |
975 | triggerHeartbeatRestart = true; | |
976 | } | |
977 | if (triggerHeartbeatRestart) { | |
5c68da4d JB |
978 | this._heartbeatInterval = Utils.convertToInt(commandPayload.value) * 1000; |
979 | // Stop heartbeat | |
0a60c33c | 980 | this._stopHeartbeat(); |
5c68da4d JB |
981 | // Start heartbeat |
982 | this._startHeartbeat(this); | |
983 | } | |
7d887a1b JB |
984 | if (Utils.convertToBoolean(keyToChange.reboot)) { |
985 | return Constants.OCPP_RESPONSE_REBOOT_REQUIRED; | |
986 | } | |
dcab13bd | 987 | return Constants.OCPP_RESPONSE_ACCEPTED; |
7dde0b73 | 988 | } |
7dde0b73 JB |
989 | } |
990 | ||
991 | async handleRemoteStartTransaction(commandPayload) { | |
72766a82 | 992 | const transactionConnectorID = commandPayload.connectorId ? commandPayload.connectorId : '1'; |
2e6f5966 | 993 | if (this.hasAuthorizedTags() && this._getLocalAuthListEnabled() && this._getAuthorizeRemoteTxRequests()) { |
dcab13bd | 994 | // Check if authorized |
2e6f5966 | 995 | if (this._authorizedTags.find((value) => value === commandPayload.idTag)) { |
7dde0b73 | 996 | // Authorization successful start transaction |
61c2e33d | 997 | this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT); |
ead548f2 | 998 | logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag); |
dcab13bd | 999 | return Constants.OCPP_RESPONSE_ACCEPTED; |
7dde0b73 | 1000 | } |
ead548f2 | 1001 | logger.error(this._logPrefix() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag); |
dcab13bd | 1002 | return Constants.OCPP_RESPONSE_REJECTED; |
7dde0b73 | 1003 | } |
dcab13bd | 1004 | // No local authorization check required => start transaction |
61c2e33d | 1005 | this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT); |
ead548f2 | 1006 | logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag); |
027b409a JB |
1007 | return Constants.OCPP_RESPONSE_ACCEPTED; |
1008 | } | |
1009 | ||
1010 | async handleRemoteStopTransaction(commandPayload) { | |
1011 | for (const connector in this._connectors) { | |
8bce55bf | 1012 | if (this.getConnector(connector).transactionId === commandPayload.transactionId) { |
d3a7883e JB |
1013 | this.sendStopTransaction(commandPayload.transactionId); |
1014 | return Constants.OCPP_RESPONSE_ACCEPTED; | |
027b409a JB |
1015 | } |
1016 | } | |
ead548f2 | 1017 | logger.info(this._logPrefix() + ' Try to stop remotely a non existing transaction ' + commandPayload.transactionId); |
d3a7883e | 1018 | return Constants.OCPP_RESPONSE_REJECTED; |
7dde0b73 | 1019 | } |
7dde0b73 JB |
1020 | } |
1021 | ||
1022 | module.exports = ChargingStation; |