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) { | |
71 | const errMsg = `${this._logPrefix()} Charging station template with no connectors`; | |
72 | logger.error(errMsg); | |
73 | throw Error(errMsg); | |
74 | } | |
0a60c33c | 75 | const connectorsConfig = Utils.cloneJSonDocument(this._stationInfo.Connectors); |
de1f5008 JB |
76 | const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(connectorsConfig) + maxConnectors.toString()).digest('hex'); |
77 | // FIXME: Handle shrinking the number of connectors | |
78 | if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) { | |
79 | this._connectorsConfigurationHash = connectorsConfigHash; | |
0a60c33c JB |
80 | // Determine number of customized connectors |
81 | let lastConnector; | |
82 | for (lastConnector in connectorsConfig) { | |
6ecb15e4 | 83 | // Add connector Id 0 |
0a60c33c JB |
84 | if (Utils.convertToInt(lastConnector) === 0 && Utils.convertToBoolean(this._stationInfo.useConnectorId0) && |
85 | connectorsConfig[lastConnector]) { | |
86 | this._connectors[lastConnector] = connectorsConfig[lastConnector]; | |
87 | } | |
88 | } | |
89 | this._addConfigurationKey('NumberOfConnectors', maxConnectors, true); | |
6ecb15e4 JB |
90 | if (!this._getConfigurationKey('MeterValuesSampledData')) { |
91 | this._addConfigurationKey('MeterValuesSampledData', 'Energy.Active.Import.Register'); | |
92 | } | |
0a60c33c JB |
93 | // Generate all connectors |
94 | for (let index = 1; index <= maxConnectors; index++) { | |
95 | const randConnectorID = Utils.convertToBoolean(this._stationInfo.randomConnectors) ? Utils.getRandomInt(lastConnector, 1) : index; | |
96 | this._connectors[index] = connectorsConfig[randConnectorID]; | |
97 | } | |
98 | } | |
d4a73fb7 JB |
99 | // Avoid duplication of connectors related information |
100 | delete this._stationInfo.Connectors; | |
0a60c33c JB |
101 | // Initialize transaction attributes on connectors |
102 | for (const connector in this._connectors) { | |
cdd9fed5 | 103 | if (!this._getConnector(connector).transactionStarted) { |
0a60c33c JB |
104 | this._initTransactionOnConnector(connector); |
105 | } | |
106 | } | |
6ecb15e4 | 107 | this._stationInfo.powerDivider = this._getPowerDivider(); |
560bcf5b JB |
108 | this._statistics = Statistics.getInstance(); |
109 | this._statistics.objName = this._stationInfo.name; | |
7dde0b73 JB |
110 | this._performanceObserver = new PerformanceObserver((list) => { |
111 | const entry = list.getEntries()[0]; | |
112 | this._statistics.logPerformance(entry, 'ChargingStation'); | |
113 | this._performanceObserver.disconnect(); | |
114 | }); | |
7dde0b73 JB |
115 | } |
116 | ||
ead548f2 JB |
117 | _logPrefix() { |
118 | return Utils.logPrefix(` ${this._stationInfo.name}:`); | |
7dde0b73 JB |
119 | } |
120 | ||
2e6f5966 JB |
121 | _getConfiguration() { |
122 | return this._stationInfo.Configuration ? this._stationInfo.Configuration : {}; | |
7dde0b73 JB |
123 | } |
124 | ||
2e6f5966 JB |
125 | _getAuthorizationFile() { |
126 | return this._stationInfo.authorizationFile ? this._stationInfo.authorizationFile : ''; | |
7dde0b73 JB |
127 | } |
128 | ||
83045896 | 129 | _loadAndGetAuthorizedTags() { |
2e6f5966 JB |
130 | let authorizedTags = []; |
131 | const authorizationFile = this._getAuthorizationFile(); | |
132 | if (authorizationFile) { | |
133 | try { | |
134 | // Load authorization file | |
135 | const fileDescriptor = fs.openSync(authorizationFile, 'r'); | |
136 | authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')); | |
137 | fs.closeSync(fileDescriptor); | |
138 | } catch (error) { | |
cdd9fed5 JB |
139 | logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: ' + error); |
140 | throw error; | |
2e6f5966 JB |
141 | } |
142 | } else { | |
ead548f2 | 143 | logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile); |
2e6f5966 JB |
144 | } |
145 | return authorizedTags; | |
146 | } | |
147 | ||
5ad8570f JB |
148 | getRandomTagId() { |
149 | const index = Math.floor(Math.random() * this._authorizedTags.length); | |
150 | return this._authorizedTags[index]; | |
2e6f5966 JB |
151 | } |
152 | ||
5ad8570f JB |
153 | hasAuthorizedTags() { |
154 | return !Utils.isEmptyArray(this._authorizedTags); | |
155 | } | |
156 | ||
6ecb15e4 JB |
157 | _getNumberOfRunningTransactions() { |
158 | let trxCount = 0; | |
159 | for (const connector in this._connectors) { | |
160 | if (this._getConnector(connector).transactionStarted) { | |
161 | trxCount++; | |
162 | } | |
163 | } | |
164 | return trxCount; | |
165 | } | |
166 | ||
167 | _getPowerDivider() { | |
168 | let powerDivider = this._getNumberOfConnectors(); | |
169 | if (this._stationInfo.powerSharedByConnectors) { | |
170 | powerDivider = this._getNumberOfRunningTransactions(); | |
171 | } | |
172 | return powerDivider; | |
173 | } | |
174 | ||
6ecb15e4 JB |
175 | _getConnector(number) { |
176 | return this._connectors[number]; | |
177 | } | |
178 | ||
179 | _getMaxNumberOfConnectors() { | |
5ad8570f | 180 | let maxConnectors = 0; |
0a60c33c | 181 | if (!Utils.isEmptyArray(this._stationInfo.numberOfConnectors)) { |
6ecb15e4 | 182 | // Distribute evenly the number of connectors |
5ad8570f JB |
183 | maxConnectors = this._stationInfo.numberOfConnectors[(this._index - 1) % this._stationInfo.numberOfConnectors.length]; |
184 | } else { | |
185 | maxConnectors = this._stationInfo.numberOfConnectors; | |
186 | } | |
187 | return maxConnectors; | |
2e6f5966 JB |
188 | } |
189 | ||
6ecb15e4 JB |
190 | _getNumberOfConnectors() { |
191 | return Utils.convertToBoolean(this._stationInfo.useConnectorId0) ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length; | |
192 | } | |
193 | ||
2e6f5966 JB |
194 | _getSupervisionURL() { |
195 | const supervisionUrls = Utils.cloneJSonDocument(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()); | |
7dde0b73 | 196 | let indexUrl = 0; |
0a60c33c | 197 | if (!Utils.isEmptyArray(supervisionUrls)) { |
2e6f5966 JB |
198 | if (Configuration.getDistributeStationToTenantEqually()) { |
199 | indexUrl = this._index % supervisionUrls.length; | |
7dde0b73 JB |
200 | } else { |
201 | // Get a random url | |
202 | indexUrl = Math.floor(Math.random() * supervisionUrls.length); | |
203 | } | |
204 | return supervisionUrls[indexUrl]; | |
205 | } | |
206 | return supervisionUrls; | |
207 | } | |
208 | ||
7dde0b73 | 209 | _getAuthorizeRemoteTxRequests() { |
61c2e33d | 210 | const authorizeRemoteTxRequests = this._getConfigurationKey('AuthorizeRemoteTxRequests'); |
a6e68f34 | 211 | return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false; |
7dde0b73 JB |
212 | } |
213 | ||
def3d48e | 214 | _getLocalAuthListEnabled() { |
61c2e33d | 215 | const localAuthListEnabled = this._getConfigurationKey('LocalAuthListEnabled'); |
def3d48e JB |
216 | return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; |
217 | } | |
218 | ||
5ad8570f JB |
219 | async _basicStartMessageSequence() { |
220 | // Start heartbeat | |
221 | this._startHeartbeat(this); | |
0a60c33c | 222 | // Initialize connectors status |
5ad8570f | 223 | for (const connector in this._connectors) { |
cdd9fed5 JB |
224 | if (!this._getConnector(connector).transactionStarted) { |
225 | if (this._getConnector(connector).bootStatus) { | |
226 | this.sendStatusNotificationWithTimeout(connector, this._getConnector(connector).bootStatus); | |
5ad8570f JB |
227 | } else { |
228 | this.sendStatusNotificationWithTimeout(connector, 'Available'); | |
229 | } | |
230 | } else { | |
231 | this.sendStatusNotificationWithTimeout(connector, 'Charging'); | |
232 | } | |
233 | } | |
0a60c33c | 234 | // Start the ATG |
5ad8570f JB |
235 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable)) { |
236 | if (!this._automaticTransactionGeneration) { | |
237 | this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this); | |
238 | } | |
239 | if (this._automaticTransactionGeneration.timeToStop) { | |
240 | this._automaticTransactionGeneration.start(); | |
241 | } | |
242 | } | |
243 | this._statistics.start(); | |
244 | } | |
245 | ||
246 | // eslint-disable-next-line class-methods-use-this | |
247 | async _startHeartbeat(self) { | |
0a60c33c | 248 | if (self._heartbeatInterval && self._heartbeatInterval > 0 && !self._heartbeatSetInterval) { |
5ad8570f | 249 | self._heartbeatSetInterval = setInterval(() => { |
0a60c33c | 250 | this.sendHeartbeat(); |
5ad8570f | 251 | }, self._heartbeatInterval); |
ead548f2 | 252 | logger.info(self._logPrefix() + ' Heartbeat started every ' + self._heartbeatInterval + 'ms'); |
7dde0b73 | 253 | } else { |
ead548f2 | 254 | logger.error(`${self._logPrefix()} Heartbeat interval set to ${self._heartbeatInterval}, not starting the heartbeat`); |
0a60c33c JB |
255 | } |
256 | } | |
257 | ||
258 | async _stopHeartbeat() { | |
259 | if (this._heartbeatSetInterval) { | |
260 | clearInterval(this._heartbeatSetInterval); | |
261 | this._heartbeatSetInterval = null; | |
7dde0b73 | 262 | } |
5ad8570f JB |
263 | } |
264 | ||
265 | _startAuthorizationFileMonitoring() { | |
266 | // eslint-disable-next-line no-unused-vars | |
267 | fs.watchFile(this._getAuthorizationFile(), (current, previous) => { | |
268 | try { | |
ead548f2 | 269 | logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload'); |
5ad8570f JB |
270 | // Initialize _authorizedTags |
271 | this._authorizedTags = this._loadAndGetAuthorizedTags(); | |
272 | } catch (error) { | |
ead548f2 | 273 | logger.error(this._logPrefix() + ' Authorization file monitoring error: ' + error); |
5ad8570f JB |
274 | } |
275 | }); | |
276 | } | |
277 | ||
278 | _startStationTemplateFileMonitoring() { | |
279 | // eslint-disable-next-line no-unused-vars | |
280 | fs.watchFile(this._stationTemplateFile, (current, previous) => { | |
281 | try { | |
ead548f2 | 282 | logger.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile + ' have changed, reload'); |
5ad8570f JB |
283 | // Initialize |
284 | this._initialize(); | |
285 | this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0)); | |
286 | this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0), false, false); | |
5ad8570f | 287 | } catch (error) { |
ead548f2 | 288 | logger.error(this._logPrefix() + ' Charging station template file monitoring error: ' + error); |
5ad8570f JB |
289 | } |
290 | }); | |
291 | } | |
292 | ||
bec64e8b | 293 | async _startMeterValues(connectorId, interval) { |
cdd9fed5 | 294 | if (!this._getConnector(connectorId).transactionStarted) { |
6ecb15e4 | 295 | logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`); |
5ad8570f | 296 | return; |
cdd9fed5 | 297 | } else if (this._getConnector(connectorId).transactionStarted && !this._getConnector(connectorId).transactionId) { |
6ecb15e4 | 298 | logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`); |
5ad8570f JB |
299 | return; |
300 | } | |
0a60c33c | 301 | if (interval > 0) { |
cdd9fed5 | 302 | this._getConnector(connectorId).transactionSetInterval = setInterval(async () => { |
0a60c33c JB |
303 | const sendMeterValues = performance.timerify(this.sendMeterValues); |
304 | this._performanceObserver.observe({ | |
305 | entryTypes: ['function'], | |
306 | }); | |
bec64e8b | 307 | await sendMeterValues(connectorId, interval, this); |
0a60c33c JB |
308 | }, interval); |
309 | } else { | |
ead548f2 | 310 | logger.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${interval}ms, not sending MeterValues`); |
0a60c33c | 311 | } |
7dde0b73 JB |
312 | } |
313 | ||
314 | async start() { | |
0a60c33c JB |
315 | if (!this._wsConnectionUrl) { |
316 | this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; | |
5ad8570f | 317 | } |
0a60c33c | 318 | this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16); |
ead548f2 | 319 | logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl); |
2e6f5966 JB |
320 | // Monitor authorization file |
321 | this._startAuthorizationFileMonitoring(); | |
322 | // Monitor station template file | |
323 | this._startStationTemplateFileMonitoring(); | |
7dde0b73 JB |
324 | // Handle Socket incoming messages |
325 | this._wsConnection.on('message', this.onMessage.bind(this)); | |
326 | // Handle Socket error | |
327 | this._wsConnection.on('error', this.onError.bind(this)); | |
328 | // Handle Socket close | |
329 | this._wsConnection.on('close', this.onClose.bind(this)); | |
330 | // Handle Socket opening connection | |
331 | this._wsConnection.on('open', this.onOpen.bind(this)); | |
332 | // Handle Socket ping | |
333 | this._wsConnection.on('ping', this.onPing.bind(this)); | |
334 | } | |
335 | ||
2d0e26f5 | 336 | async stop(reason = '') { |
5ad8570f | 337 | // Stop heartbeat |
0a60c33c | 338 | await this._stopHeartbeat(); |
5ad8570f JB |
339 | // Stop the ATG |
340 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) && | |
341 | this._automaticTransactionGeneration && | |
342 | !this._automaticTransactionGeneration.timeToStop) { | |
2d0e26f5 | 343 | await this._automaticTransactionGeneration.stop(reason); |
5ad8570f JB |
344 | } else { |
345 | for (const connector in this._connectors) { | |
cdd9fed5 JB |
346 | if (this._getConnector(connector).transactionStarted) { |
347 | await this.sendStopTransaction(this._getConnector(connector).transactionId, reason); | |
5ad8570f JB |
348 | } |
349 | } | |
350 | } | |
351 | // eslint-disable-next-line guard-for-in | |
352 | for (const connector in this._connectors) { | |
353 | await this.sendStatusNotification(connector, 'Unavailable'); | |
354 | } | |
0a60c33c | 355 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
5ad8570f JB |
356 | await this._wsConnection.close(); |
357 | } | |
358 | } | |
359 | ||
360 | _reconnect(error) { | |
ead548f2 | 361 | logger.error(this._logPrefix() + ' Socket: abnormally closed', error); |
5ad8570f JB |
362 | // Stop the ATG if needed |
363 | if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) && | |
364 | Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure) && | |
365 | this._automaticTransactionGeneration && | |
366 | !this._automaticTransactionGeneration.timeToStop) { | |
367 | this._automaticTransactionGeneration.stop(); | |
368 | } | |
369 | // Stop heartbeat | |
0a60c33c | 370 | this._stopHeartbeat(); |
5ad8570f JB |
371 | if (this._autoReconnectTimeout !== 0 && |
372 | (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1)) { | |
ead548f2 | 373 | logger.error(`${this._logPrefix()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`); |
5ad8570f JB |
374 | this._autoReconnectRetryCount++; |
375 | setTimeout(() => { | |
ead548f2 | 376 | logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount); |
5ad8570f JB |
377 | this.start(); |
378 | }, this._autoReconnectTimeout); | |
379 | } else if (this._autoReconnectTimeout !== 0 || this._autoReconnectMaxRetries !== -1) { | |
ead548f2 | 380 | logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`); |
5ad8570f JB |
381 | } |
382 | } | |
383 | ||
7dde0b73 | 384 | onOpen() { |
ead548f2 | 385 | logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`); |
5ad8570f | 386 | if (!this._isSocketRestart) { |
0bbcb3dc | 387 | // Send BootNotification |
0a60c33c | 388 | this.sendBootNotification(); |
0bbcb3dc | 389 | } |
7dde0b73 | 390 | if (this._isSocketRestart) { |
027b409a | 391 | this._basicStartMessageSequence(); |
546dec0f | 392 | if (!Utils.isEmptyArray(this._messageQueue)) { |
7dde0b73 | 393 | this._messageQueue.forEach((message) => { |
0a60c33c | 394 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
395 | this._wsConnection.send(message); |
396 | } | |
397 | }); | |
398 | } | |
7dde0b73 JB |
399 | } |
400 | this._autoReconnectRetryCount = 0; | |
401 | this._isSocketRestart = false; | |
402 | } | |
403 | ||
404 | onError(error) { | |
405 | switch (error) { | |
406 | case 'ECONNREFUSED': | |
407 | this._isSocketRestart = true; | |
408 | this._reconnect(error); | |
409 | break; | |
410 | default: | |
ead548f2 | 411 | logger.error(this._logPrefix() + ' Socket error: ' + error); |
7dde0b73 JB |
412 | break; |
413 | } | |
414 | } | |
415 | ||
416 | onClose(error) { | |
417 | switch (error) { | |
418 | case 1000: // Normal close | |
419 | case 1005: | |
ead548f2 | 420 | logger.info(this._logPrefix() + ' Socket normally closed ' + error); |
7dde0b73 JB |
421 | this._autoReconnectRetryCount = 0; |
422 | break; | |
423 | default: // Abnormal close | |
424 | this._isSocketRestart = true; | |
425 | this._reconnect(error); | |
426 | break; | |
427 | } | |
428 | } | |
429 | ||
430 | onPing() { | |
ead548f2 | 431 | logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server'); |
7dde0b73 JB |
432 | } |
433 | ||
434 | async onMessage(message) { | |
2d8cee5a | 435 | let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', '']; |
7dde0b73 | 436 | try { |
2d8cee5a JB |
437 | // Parse the message |
438 | [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(message); | |
439 | ||
7dde0b73 JB |
440 | // Check the Type of message |
441 | switch (messageType) { | |
442 | // Incoming Message | |
f7869514 | 443 | case Constants.OCPP_JSON_CALL_MESSAGE: |
7dde0b73 | 444 | // Process the call |
7dde0b73 JB |
445 | await this.handleRequest(messageId, commandName, commandPayload); |
446 | break; | |
447 | // Outcome Message | |
f7869514 | 448 | case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: |
7dde0b73 JB |
449 | // Respond |
450 | // eslint-disable-next-line no-case-declarations | |
451 | let responseCallback; let requestPayload; | |
452 | if (Utils.isIterable(this._requests[messageId])) { | |
453 | [responseCallback, , requestPayload] = this._requests[messageId]; | |
454 | } else { | |
455 | throw new Error(`Response request for unknown message id ${messageId} is not iterable`); | |
456 | } | |
457 | if (!responseCallback) { | |
458 | // Error | |
459 | throw new Error(`Response for unknown message id ${messageId}`); | |
460 | } | |
461 | delete this._requests[messageId]; | |
7dde0b73 JB |
462 | responseCallback(commandName, requestPayload); |
463 | break; | |
464 | // Error Message | |
f7869514 | 465 | case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: |
7dde0b73 JB |
466 | if (!this._requests[messageId]) { |
467 | // Error | |
468 | throw new Error(`Error for unknown message id ${messageId}`); | |
469 | } | |
470 | // eslint-disable-next-line no-case-declarations | |
471 | let rejectCallback; | |
472 | if (Utils.isIterable(this._requests[messageId])) { | |
473 | [, rejectCallback] = this._requests[messageId]; | |
474 | } else { | |
475 | throw new Error(`Error request for unknown message id ${messageId} is not iterable`); | |
476 | } | |
477 | delete this._requests[messageId]; | |
478 | rejectCallback(new OCPPError(commandName, commandPayload, errorDetails)); | |
479 | break; | |
480 | // Error | |
481 | default: | |
482 | throw new Error(`Wrong message type ${messageType}`); | |
483 | } | |
484 | } catch (error) { | |
485 | // Log | |
ead548f2 | 486 | logger.error('%s Incoming message %j processing error %s on request content %s', this._logPrefix(), message, error, this._requests[messageId]); |
7dde0b73 JB |
487 | // Send error |
488 | // await this.sendError(messageId, error); | |
489 | } | |
490 | } | |
491 | ||
0a60c33c JB |
492 | sendHeartbeat() { |
493 | try { | |
494 | const payload = { | |
495 | currentTime: new Date().toISOString(), | |
496 | }; | |
497 | this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat'); | |
498 | } catch (error) { | |
ead548f2 | 499 | logger.error(this._logPrefix() + ' Send Heartbeat error: ' + error); |
0a60c33c JB |
500 | throw error; |
501 | } | |
502 | } | |
503 | ||
504 | sendBootNotification() { | |
505 | try { | |
506 | this.sendMessage(Utils.generateUUID(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification'); | |
507 | } catch (error) { | |
ead548f2 | 508 | logger.error(this._logPrefix() + ' Send BootNotification error: ' + error); |
0a60c33c JB |
509 | throw error; |
510 | } | |
511 | } | |
512 | ||
5ad8570f JB |
513 | async sendStatusNotification(connectorId, status, errorCode = 'NoError') { |
514 | try { | |
515 | const payload = { | |
516 | connectorId, | |
517 | errorCode, | |
518 | status, | |
519 | }; | |
520 | await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification'); | |
521 | } catch (error) { | |
ead548f2 | 522 | logger.error(this._logPrefix() + ' Send StatusNotification error: ' + error); |
5ad8570f | 523 | throw error; |
027b409a JB |
524 | } |
525 | } | |
526 | ||
5ad8570f JB |
527 | sendStatusNotificationWithTimeout(connectorId, status, errorCode = 'NoError', timeout = Constants.STATUS_NOTIFICATION_TIMEOUT) { |
528 | setTimeout(() => this.sendStatusNotification(connectorId, status, errorCode), timeout); | |
529 | } | |
530 | ||
bec64e8b | 531 | async sendStartTransaction(connectorId, idTag) { |
5ad8570f JB |
532 | try { |
533 | const payload = { | |
bec64e8b | 534 | connectorId, |
5ad8570f JB |
535 | idTag, |
536 | meterStart: 0, | |
537 | timestamp: new Date().toISOString(), | |
538 | }; | |
539 | return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction'); | |
540 | } catch (error) { | |
ead548f2 | 541 | logger.error(this._logPrefix() + ' Send StartTransaction error: ' + error); |
5ad8570f | 542 | throw error; |
7dde0b73 JB |
543 | } |
544 | } | |
545 | ||
bec64e8b JB |
546 | sendStartTransactionWithTimeout(connectorId, idTag, timeout) { |
547 | setTimeout(() => this.sendStartTransaction(connectorId, idTag), timeout); | |
7dde0b73 JB |
548 | } |
549 | ||
5ad8570f | 550 | async sendStopTransaction(transactionId, reason = '') { |
027b409a | 551 | try { |
bec64e8b | 552 | let payload; |
2d0e26f5 JB |
553 | if (reason) { |
554 | payload = { | |
555 | transactionId, | |
556 | meterStop: 0, | |
557 | timestamp: new Date().toISOString(), | |
558 | reason, | |
559 | }; | |
560 | } else { | |
561 | payload = { | |
562 | transactionId, | |
563 | meterStop: 0, | |
564 | timestamp: new Date().toISOString(), | |
565 | }; | |
566 | } | |
5ad8570f | 567 | await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction'); |
027b409a | 568 | } catch (error) { |
ead548f2 | 569 | logger.error(this._logPrefix() + ' Send StopTransaction error: ' + error); |
5ad8570f | 570 | throw error; |
027b409a JB |
571 | } |
572 | } | |
573 | ||
5ad8570f | 574 | // eslint-disable-next-line class-methods-use-this |
bec64e8b | 575 | async sendMeterValues(connectorId, interval, self, debug = false) { |
5ad8570f JB |
576 | try { |
577 | const sampledValueLcl = { | |
578 | timestamp: new Date().toISOString(), | |
579 | }; | |
bec64e8b | 580 | const meterValuesClone = Utils.cloneJSonDocument(self._getConnector(connectorId).MeterValues); |
0a60c33c | 581 | if (!Utils.isEmptyArray(meterValuesClone)) { |
5ad8570f JB |
582 | sampledValueLcl.sampledValue = meterValuesClone; |
583 | } else { | |
584 | sampledValueLcl.sampledValue = [meterValuesClone]; | |
585 | } | |
586 | for (let index = 0; index < sampledValueLcl.sampledValue.length; index++) { | |
cdd9fed5 | 587 | const connector = self._getConnector(connectorId); |
0a60c33c | 588 | // SoC measurand |
6ecb15e4 | 589 | if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'SoC' && self._getConfigurationKey('MeterValuesSampledData').value.includes('SoC')) { |
5c389abe | 590 | sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ? |
9b25a525 JB |
591 | sampledValueLcl.sampledValue[index].value : |
592 | sampledValueLcl.sampledValue[index].value = Utils.getRandomInt(100); | |
5ad8570f | 593 | if (sampledValueLcl.sampledValue[index].value > 100 || debug) { |
ead548f2 | 594 | logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}`); |
5ad8570f | 595 | } |
0a60c33c | 596 | // Voltage measurand |
6ecb15e4 | 597 | } else if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'Voltage' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Voltage')) { |
5c389abe | 598 | sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ? sampledValueLcl.sampledValue[index].value : 230; |
0a60c33c JB |
599 | // Energy.Active.Import.Register measurand (default) |
600 | } else if (!sampledValueLcl.sampledValue[index].measurand || sampledValueLcl.sampledValue[index].measurand === 'Energy.Active.Import.Register') { | |
6ecb15e4 JB |
601 | if (Utils.isUndefined(self._stationInfo.powerDivider)) { |
602 | const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`; | |
603 | logger.error(errMsg); | |
604 | throw Error(errMsg); | |
605 | } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) { | |
606 | const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`; | |
607 | logger.error(errMsg); | |
608 | throw Error(errMsg); | |
609 | } | |
5c389abe | 610 | if (Utils.isUndefined(sampledValueLcl.sampledValue[index].value)) { |
6ecb15e4 | 611 | const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval); |
9b25a525 JB |
612 | // Persist previous value in connector |
613 | if (connector && connector.lastEnergyActiveImportRegisterValue >= 0) { | |
614 | connector.lastEnergyActiveImportRegisterValue += measurandValue; | |
615 | } else { | |
616 | connector.lastEnergyActiveImportRegisterValue = 0; | |
617 | } | |
618 | sampledValueLcl.sampledValue[index].value = connector.lastEnergyActiveImportRegisterValue; | |
5ad8570f | 619 | } |
ead548f2 | 620 | logger.info(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value ${sampledValueLcl.sampledValue[index].value}`); |
6ecb15e4 | 621 | const maxConsumption = self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval); |
5ad8570f | 622 | if (sampledValueLcl.sampledValue[index].value > maxConsumption || debug) { |
ead548f2 | 623 | logger.error(`${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 | 624 | } |
0a60c33c JB |
625 | // Unsupported measurand |
626 | } else { | |
ead548f2 | 627 | logger.info(`${self._logPrefix()} Unsupported MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'} on connectorId ${connectorId}`); |
5ad8570f JB |
628 | } |
629 | } | |
630 | ||
631 | const payload = { | |
bec64e8b | 632 | connectorId, |
cdd9fed5 | 633 | transactionId: self._getConnector(connectorId).transactionId, |
5ad8570f JB |
634 | meterValue: [sampledValueLcl], |
635 | }; | |
636 | await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues'); | |
637 | } catch (error) { | |
ead548f2 | 638 | logger.error(self._logPrefix() + ' Send MeterValues error: ' + error); |
0a60c33c | 639 | throw error; |
5ad8570f JB |
640 | } |
641 | } | |
642 | ||
643 | sendError(messageId, err) { | |
644 | // Check exception: only OCPP error are accepted | |
645 | const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message); | |
646 | // Send error | |
647 | return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE); | |
027b409a JB |
648 | } |
649 | ||
f7869514 | 650 | sendMessage(messageId, command, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName = '') { |
7dde0b73 JB |
651 | // Send a message through wsConnection |
652 | const self = this; | |
653 | // Create a promise | |
654 | return new Promise((resolve, reject) => { | |
655 | let messageToSend; | |
656 | // Type of message | |
657 | switch (messageType) { | |
658 | // Request | |
f7869514 | 659 | case Constants.OCPP_JSON_CALL_MESSAGE: |
7dde0b73 JB |
660 | this._statistics.addMessage(commandName); |
661 | // Build request | |
662 | this._requests[messageId] = [responseCallback, rejectCallback, command]; | |
663 | messageToSend = JSON.stringify([messageType, messageId, commandName, command]); | |
664 | break; | |
665 | // Response | |
f7869514 | 666 | case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: |
d3a7883e | 667 | this._statistics.addMessage(commandName); |
7dde0b73 JB |
668 | // Build response |
669 | messageToSend = JSON.stringify([messageType, messageId, command]); | |
670 | break; | |
671 | // Error Message | |
f7869514 | 672 | case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: |
7dde0b73 | 673 | // Build Message |
52f96caf | 674 | this._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`); |
894a1780 | 675 | messageToSend = JSON.stringify([messageType, messageId, command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR, command.message ? command.message : '', command.details ? command.details : {}]); |
7dde0b73 JB |
676 | break; |
677 | } | |
2e6f5966 | 678 | // Check if wsConnection is ready |
0a60c33c | 679 | if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
680 | // Yes: Send Message |
681 | this._wsConnection.send(messageToSend); | |
682 | } else { | |
683 | // Buffer message until connection is back | |
684 | this._messageQueue.push(messageToSend); | |
685 | } | |
686 | // Request? | |
f7869514 | 687 | if (messageType !== Constants.OCPP_JSON_CALL_MESSAGE) { |
7dde0b73 JB |
688 | // Yes: send Ok |
689 | resolve(); | |
0a60c33c | 690 | } else if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { |
7dde0b73 JB |
691 | // Send timeout in case connection is open otherwise wait for ever |
692 | // FIXME: Handle message on timeout | |
f7869514 | 693 | setTimeout(() => rejectCallback(`Timeout for message ${messageId}`), Constants.OCPP_SOCKET_TIMEOUT); |
7dde0b73 JB |
694 | } |
695 | ||
696 | // Function that will receive the request's response | |
697 | function responseCallback(payload, requestPayload) { | |
698 | self._statistics.addMessage(commandName, true); | |
699 | const responseCallbackFn = 'handleResponse' + commandName; | |
700 | if (typeof self[responseCallbackFn] === 'function') { | |
701 | self[responseCallbackFn](payload, requestPayload, self); | |
702 | } else { | |
ead548f2 | 703 | logger.debug(self._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn); |
7dde0b73 JB |
704 | } |
705 | // Send the response | |
706 | resolve(payload); | |
707 | } | |
708 | ||
709 | // Function that will receive the request's rejection | |
710 | function rejectCallback(reason) { | |
52f96caf | 711 | self._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`, true); |
7dde0b73 JB |
712 | // Build Exception |
713 | // eslint-disable-next-line no-empty-function | |
714 | self._requests[messageId] = [() => { }, () => { }, '']; // Properly format the request | |
715 | const error = reason instanceof OCPPError ? reason : new Error(reason); | |
716 | // Send error | |
717 | reject(error); | |
718 | } | |
719 | }); | |
720 | } | |
721 | ||
5ad8570f JB |
722 | handleResponseBootNotification(payload) { |
723 | if (payload.status === 'Accepted') { | |
724 | this._heartbeatInterval = payload.interval * 1000; | |
725 | this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(payload.interval)); | |
726 | this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(payload.interval), false, false); | |
727 | this._basicStartMessageSequence(); | |
0a60c33c | 728 | } else if (payload.status === 'Pending') { |
ead548f2 | 729 | logger.info(this._logPrefix() + ' Charging station pending on the central server'); |
5ad8570f | 730 | } else { |
ead548f2 | 731 | logger.info(this._logPrefix() + ' Charging station rejected by the central server'); |
7dde0b73 | 732 | } |
7dde0b73 JB |
733 | } |
734 | ||
bec64e8b | 735 | _initTransactionOnConnector(connectorId) { |
cdd9fed5 JB |
736 | this._getConnector(connectorId).transactionStarted = false; |
737 | this._getConnector(connectorId).transactionId = null; | |
738 | this._getConnector(connectorId).idTag = null; | |
739 | this._getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1; | |
0a60c33c JB |
740 | } |
741 | ||
bec64e8b JB |
742 | _resetTransactionOnConnector(connectorId) { |
743 | this._initTransactionOnConnector(connectorId); | |
cdd9fed5 JB |
744 | if (this._getConnector(connectorId).transactionSetInterval) { |
745 | clearInterval(this._getConnector(connectorId).transactionSetInterval); | |
027b409a JB |
746 | } |
747 | } | |
748 | ||
7dde0b73 | 749 | handleResponseStartTransaction(payload, requestPayload) { |
cdd9fed5 JB |
750 | if (this._getConnector(requestPayload.connectorId).transactionStarted) { |
751 | logger.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + requestPayload.connectorId + ': %s', this._getConnector(requestPayload.connectorId)); | |
2d0e26f5 | 752 | return; |
d3a7883e | 753 | } |
84393381 | 754 | |
7de604f9 JB |
755 | let transactionConnectorId; |
756 | for (const connector in this._connectors) { | |
757 | if (Utils.convertToInt(connector) === Utils.convertToInt(requestPayload.connectorId)) { | |
758 | transactionConnectorId = connector; | |
759 | break; | |
7dde0b73 | 760 | } |
7de604f9 JB |
761 | } |
762 | if (!transactionConnectorId) { | |
ead548f2 | 763 | logger.error(this._logPrefix() + ' Try to start a transaction on a non existing connector Id ' + requestPayload.connectorId); |
7de604f9 JB |
764 | return; |
765 | } | |
766 | if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') { | |
cdd9fed5 JB |
767 | this._getConnector(requestPayload.connectorId).transactionStarted = true; |
768 | this._getConnector(requestPayload.connectorId).transactionId = payload.transactionId; | |
769 | this._getConnector(requestPayload.connectorId).idTag = requestPayload.idTag; | |
770 | this._getConnector(requestPayload.connectorId).lastEnergyActiveImportRegisterValue = 0; | |
7de604f9 | 771 | this.sendStatusNotification(requestPayload.connectorId, 'Charging'); |
ead548f2 | 772 | logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId + ' for idTag ' + requestPayload.idTag); |
6ecb15e4 JB |
773 | if (this._stationInfo.powerSharedByConnectors) { |
774 | this._stationInfo.powerDivider++; | |
775 | } | |
7de604f9 | 776 | const configuredMeterValueSampleInterval = this._getConfigurationKey('MeterValueSampleInterval'); |
5ad8570f | 777 | this._startMeterValues(requestPayload.connectorId, |
7de604f9 | 778 | configuredMeterValueSampleInterval ? configuredMeterValueSampleInterval.value * 1000 : 60000); |
7dde0b73 | 779 | } else { |
ead548f2 | 780 | logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag); |
7de604f9 | 781 | this._resetTransactionOnConnector(transactionConnectorId); |
7dde0b73 JB |
782 | this.sendStatusNotification(requestPayload.connectorId, 'Available'); |
783 | } | |
784 | } | |
785 | ||
34dcb3b5 | 786 | handleResponseStopTransaction(payload, requestPayload) { |
d3a7883e JB |
787 | let transactionConnectorId; |
788 | for (const connector in this._connectors) { | |
cdd9fed5 | 789 | if (this._getConnector(connector).transactionId === requestPayload.transactionId) { |
d3a7883e JB |
790 | transactionConnectorId = connector; |
791 | break; | |
792 | } | |
793 | } | |
794 | if (!transactionConnectorId) { | |
ead548f2 | 795 | logger.error(this._logPrefix() + ' Try to stop a non existing transaction ' + requestPayload.transactionId); |
7de604f9 | 796 | return; |
d3a7883e JB |
797 | } |
798 | if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') { | |
799 | this.sendStatusNotification(transactionConnectorId, 'Available'); | |
6ecb15e4 JB |
800 | if (this._stationInfo.powerSharedByConnectors) { |
801 | this._stationInfo.powerDivider--; | |
802 | } | |
ead548f2 | 803 | logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId); |
d3a7883e | 804 | this._resetTransactionOnConnector(transactionConnectorId); |
34dcb3b5 | 805 | } else { |
ead548f2 | 806 | logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status); |
34dcb3b5 JB |
807 | } |
808 | } | |
809 | ||
facd8ebd | 810 | handleResponseStatusNotification(payload, requestPayload) { |
ead548f2 | 811 | logger.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload); |
7dde0b73 JB |
812 | } |
813 | ||
facd8ebd | 814 | handleResponseMeterValues(payload, requestPayload) { |
ead548f2 | 815 | logger.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload); |
027b409a JB |
816 | } |
817 | ||
facd8ebd | 818 | handleResponseHeartbeat(payload, requestPayload) { |
ead548f2 | 819 | logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload); |
7dde0b73 JB |
820 | } |
821 | ||
822 | async handleRequest(messageId, commandName, commandPayload) { | |
823 | let result; | |
824 | this._statistics.addMessage(commandName, true); | |
825 | // Call | |
826 | if (typeof this['handle' + commandName] === 'function') { | |
827 | try { | |
828 | // Call the method | |
829 | result = await this['handle' + commandName](commandPayload); | |
830 | } catch (error) { | |
831 | // Log | |
ead548f2 | 832 | logger.error(this._logPrefix() + ' Handle request error: ' + error); |
facd8ebd | 833 | // Send back response to inform backend |
7dde0b73 JB |
834 | await this.sendError(messageId, error); |
835 | } | |
836 | } else { | |
84393381 | 837 | // Throw exception |
f7869514 | 838 | await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, 'Not implemented', {})); |
7dde0b73 JB |
839 | throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`); |
840 | } | |
84393381 | 841 | // Send response |
f7869514 | 842 | await this.sendMessage(messageId, result, Constants.OCPP_JSON_CALL_RESULT_MESSAGE); |
7dde0b73 JB |
843 | } |
844 | ||
5ad8570f | 845 | async handleReset(commandPayload) { |
5ad8570f JB |
846 | // Simulate charging station restart |
847 | setImmediate(async () => { | |
2d0e26f5 | 848 | await this.stop(commandPayload.type + 'Reset'); |
0a60c33c | 849 | await Utils.sleep(this._stationInfo.resetTime); |
5ad8570f JB |
850 | await this.start(); |
851 | }); | |
ead548f2 | 852 | logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${this._stationInfo.resetTime}ms`); |
5ad8570f JB |
853 | return Constants.OCPP_RESPONSE_ACCEPTED; |
854 | } | |
855 | ||
61c2e33d JB |
856 | _getConfigurationKey(key) { |
857 | return this._configuration.configurationKey.find((configElement) => configElement.key === key); | |
858 | } | |
859 | ||
3497da01 | 860 | _addConfigurationKey(key, value, readonly = false, visible = true, reboot = false) { |
61c2e33d JB |
861 | const keyFound = this._getConfigurationKey(key); |
862 | if (!keyFound) { | |
863 | this._configuration.configurationKey.push({ | |
864 | key, | |
865 | readonly, | |
866 | value, | |
867 | visible, | |
3497da01 | 868 | reboot, |
61c2e33d JB |
869 | }); |
870 | } | |
871 | } | |
872 | ||
873 | _setConfigurationKeyValue(key, value) { | |
874 | const keyFound = this._getConfigurationKey(key); | |
875 | if (keyFound) { | |
d3a7883e JB |
876 | const keyIndex = this._configuration.configurationKey.indexOf(keyFound); |
877 | this._configuration.configurationKey[keyIndex].value = value; | |
61c2e33d JB |
878 | } |
879 | } | |
880 | ||
34dcb3b5 | 881 | async handleGetConfiguration(commandPayload) { |
facd8ebd JB |
882 | const configurationKey = []; |
883 | const unknownKey = []; | |
61c2e33d JB |
884 | if (Utils.isEmptyArray(commandPayload.key)) { |
885 | for (const configuration of this._configuration.configurationKey) { | |
886 | if (Utils.isUndefined(configuration.visible)) { | |
887 | configuration.visible = true; | |
888 | } else { | |
889 | configuration.visible = Utils.convertToBoolean(configuration.visible); | |
890 | } | |
891 | if (!configuration.visible) { | |
892 | continue; | |
893 | } | |
894 | configurationKey.push({ | |
895 | key: configuration.key, | |
896 | readonly: configuration.readonly, | |
897 | value: configuration.value, | |
898 | }); | |
facd8ebd | 899 | } |
61c2e33d | 900 | } else { |
d20c21a0 JB |
901 | for (const configurationKey of commandPayload.key) { |
902 | const keyFound = this._getConfigurationKey(configurationKey); | |
61c2e33d JB |
903 | if (keyFound) { |
904 | if (Utils.isUndefined(keyFound.visible)) { | |
905 | keyFound.visible = true; | |
906 | } else { | |
d20c21a0 | 907 | keyFound.visible = Utils.convertToBoolean(configurationKey.visible); |
61c2e33d JB |
908 | } |
909 | if (!keyFound.visible) { | |
910 | continue; | |
911 | } | |
912 | configurationKey.push({ | |
913 | key: keyFound.key, | |
914 | readonly: keyFound.readonly, | |
915 | value: keyFound.value, | |
916 | }); | |
917 | } else { | |
d20c21a0 | 918 | unknownKey.push(configurationKey); |
61c2e33d | 919 | } |
facd8ebd | 920 | } |
facd8ebd JB |
921 | } |
922 | return { | |
923 | configurationKey, | |
924 | unknownKey, | |
925 | }; | |
7dde0b73 JB |
926 | } |
927 | ||
928 | async handleChangeConfiguration(commandPayload) { | |
61c2e33d | 929 | const keyToChange = this._getConfigurationKey(commandPayload.key); |
7d887a1b JB |
930 | if (!keyToChange) { |
931 | return {status: Constants.OCPP_ERROR_NOT_SUPPORTED}; | |
932 | } else if (keyToChange && Utils.convertToBoolean(keyToChange.readonly)) { | |
933 | return Constants.OCPP_RESPONSE_REJECTED; | |
934 | } else if (keyToChange && !Utils.convertToBoolean(keyToChange.readonly)) { | |
a6e68f34 JB |
935 | const keyIndex = this._configuration.configurationKey.indexOf(keyToChange); |
936 | this._configuration.configurationKey[keyIndex].value = commandPayload.value; | |
d3a7883e JB |
937 | let triggerHeartbeatRestart = false; |
938 | if (keyToChange.key === 'HeartBeatInterval') { | |
939 | this._setConfigurationKeyValue('HeartbeatInterval', commandPayload.value); | |
940 | triggerHeartbeatRestart = true; | |
941 | } | |
942 | if (keyToChange.key === 'HeartbeatInterval') { | |
943 | this._setConfigurationKeyValue('HeartBeatInterval', commandPayload.value); | |
944 | triggerHeartbeatRestart = true; | |
945 | } | |
946 | if (triggerHeartbeatRestart) { | |
5c68da4d JB |
947 | this._heartbeatInterval = Utils.convertToInt(commandPayload.value) * 1000; |
948 | // Stop heartbeat | |
0a60c33c | 949 | this._stopHeartbeat(); |
5c68da4d JB |
950 | // Start heartbeat |
951 | this._startHeartbeat(this); | |
952 | } | |
7d887a1b JB |
953 | if (Utils.convertToBoolean(keyToChange.reboot)) { |
954 | return Constants.OCPP_RESPONSE_REBOOT_REQUIRED; | |
955 | } | |
dcab13bd | 956 | return Constants.OCPP_RESPONSE_ACCEPTED; |
7dde0b73 | 957 | } |
7dde0b73 JB |
958 | } |
959 | ||
960 | async handleRemoteStartTransaction(commandPayload) { | |
72766a82 | 961 | const transactionConnectorID = commandPayload.connectorId ? commandPayload.connectorId : '1'; |
2e6f5966 | 962 | if (this.hasAuthorizedTags() && this._getLocalAuthListEnabled() && this._getAuthorizeRemoteTxRequests()) { |
dcab13bd | 963 | // Check if authorized |
2e6f5966 | 964 | if (this._authorizedTags.find((value) => value === commandPayload.idTag)) { |
7dde0b73 | 965 | // Authorization successful start transaction |
61c2e33d | 966 | this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT); |
ead548f2 | 967 | logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag); |
dcab13bd | 968 | return Constants.OCPP_RESPONSE_ACCEPTED; |
7dde0b73 | 969 | } |
ead548f2 | 970 | logger.error(this._logPrefix() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag); |
dcab13bd | 971 | return Constants.OCPP_RESPONSE_REJECTED; |
7dde0b73 | 972 | } |
dcab13bd | 973 | // No local authorization check required => start transaction |
61c2e33d | 974 | this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT); |
ead548f2 | 975 | logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag); |
027b409a JB |
976 | return Constants.OCPP_RESPONSE_ACCEPTED; |
977 | } | |
978 | ||
979 | async handleRemoteStopTransaction(commandPayload) { | |
980 | for (const connector in this._connectors) { | |
cdd9fed5 | 981 | if (this._getConnector(connector).transactionId === commandPayload.transactionId) { |
d3a7883e JB |
982 | this.sendStopTransaction(commandPayload.transactionId); |
983 | return Constants.OCPP_RESPONSE_ACCEPTED; | |
027b409a JB |
984 | } |
985 | } | |
ead548f2 | 986 | logger.info(this._logPrefix() + ' Try to stop remotely a non existing transaction ' + commandPayload.transactionId); |
d3a7883e | 987 | return Constants.OCPP_RESPONSE_REJECTED; |
7dde0b73 | 988 | } |
7dde0b73 JB |
989 | } |
990 | ||
991 | module.exports = ChargingStation; |