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1 | // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. |
2 | ||
c0560973 | 3 | import { AuthorizationStatus, AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/ocpp/Transaction'; |
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4 | |
5 | import ChargingStation from './ChargingStation'; | |
6 | import Constants from '../utils/Constants'; | |
a6b3c6c3 | 7 | import PerformanceStatistics from '../performance/PerformanceStatistics'; |
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8 | import Utils from '../utils/Utils'; |
9 | import logger from '../utils/Logger'; | |
10 | ||
11 | export default class AutomaticTransactionGenerator { | |
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12 | public timeToStop: boolean; |
13 | private chargingStation: ChargingStation; | |
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14 | |
15 | constructor(chargingStation: ChargingStation) { | |
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16 | this.chargingStation = chargingStation; |
17 | this.timeToStop = true; | |
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18 | } |
19 | ||
e268356b | 20 | public async start(): Promise<void> { |
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21 | this.timeToStop = false; |
22 | if (this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours && | |
23 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) { | |
71623267 | 24 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
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25 | setTimeout(async (): Promise<void> => { |
26 | await this.stop(); | |
ad2f27c3 | 27 | }, this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000); |
6af9012e | 28 | } |
ad2f27c3 | 29 | for (const connector in this.chargingStation.connectors) { |
6af9012e | 30 | if (Utils.convertToInt(connector) > 0) { |
e268356b | 31 | await this.startConnector(Utils.convertToInt(connector)); |
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32 | } |
33 | } | |
c0560973 | 34 | logger.info(this.logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600)); |
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35 | } |
36 | ||
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37 | public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { |
38 | logger.info(this.logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS'); | |
ad2f27c3 | 39 | for (const connector in this.chargingStation.connectors) { |
c0560973 | 40 | const transactionId = this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId; |
ad2f27c3 | 41 | if (this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) { |
c0560973 | 42 | logger.info(this.logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + transactionId.toString()); |
6ed92bc1 | 43 | await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId, this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId), |
035742f7 | 44 | this.chargingStation.getTransactionIdTag(transactionId), reason); |
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45 | } |
46 | } | |
ad2f27c3 | 47 | this.timeToStop = true; |
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48 | } |
49 | ||
a1256107 | 50 | private async startConnector(connectorId: number): Promise<void> { |
6af9012e | 51 | do { |
ad2f27c3 | 52 | if (this.timeToStop) { |
c0560973 | 53 | logger.error(this.logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made'); |
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54 | break; |
55 | } | |
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56 | if (!this.chargingStation.isRegistered()) { |
57 | logger.error(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered'); | |
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58 | break; |
59 | } | |
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60 | if (!this.chargingStation.isChargingStationAvailable()) { |
61 | logger.info(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable'); | |
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62 | await this.stop(); |
63 | break; | |
64 | } | |
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65 | if (!this.chargingStation.isConnectorAvailable(connectorId)) { |
66 | logger.info(`${this.logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`); | |
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67 | break; |
68 | } | |
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69 | if (!this.chargingStation?.ocppRequestService) { |
70 | logger.info(`${this.logPrefix(connectorId)} Transaction loop waiting for charging station service to be initialized`); | |
71 | do { | |
a4cc42ea | 72 | await Utils.sleep(Constants.CHARGING_STATION_ATG_INITIALIZATION_TIME); |
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73 | } while (!this.chargingStation?.ocppRequestService); |
74 | } | |
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75 | const wait = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions, |
76 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000; | |
c0560973 | 77 | logger.info(this.logPrefix(connectorId) + ' wait for ' + Utils.milliSecondsToHHMMSS(wait)); |
6af9012e | 78 | await Utils.sleep(wait); |
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79 | const start = Math.random(); |
80 | let skip = 0; | |
ad2f27c3 | 81 | if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) { |
6af9012e | 82 | // Start transaction |
aef1b33a | 83 | const startResponse = await this.startTransaction(connectorId); |
ef6076c1 | 84 | if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) { |
54b1efe0 | 85 | logger.warn(this.logPrefix(connectorId) + ' transaction rejected'); |
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86 | await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME); |
87 | } else { | |
88 | // Wait until end of transaction | |
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89 | const waitTrxEnd = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration, |
90 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000; | |
c0560973 | 91 | logger.info(this.logPrefix(connectorId) + ' transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.milliSecondsToHHMMSS(waitTrxEnd)); |
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92 | await Utils.sleep(waitTrxEnd); |
93 | // Stop transaction | |
ad2f27c3 | 94 | if (this.chargingStation.getConnector(connectorId)?.transactionStarted) { |
c0560973 | 95 | logger.info(this.logPrefix(connectorId) + ' stop transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString()); |
aef1b33a | 96 | await this.stopTransaction(connectorId); |
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97 | } |
98 | } | |
99 | } else { | |
100 | skip++; | |
c0560973 | 101 | logger.info(this.logPrefix(connectorId) + ' transaction skipped ' + skip.toString()); |
6af9012e | 102 | } |
ad2f27c3 | 103 | } while (!this.timeToStop); |
c0560973 | 104 | logger.info(this.logPrefix(connectorId) + ' ATG STOPPED on the connector'); |
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105 | } |
106 | ||
65c5527e | 107 | // eslint-disable-next-line consistent-this |
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108 | private async startTransaction(connectorId: number): Promise<StartTransactionResponse | AuthorizeResponse> { |
109 | const measureId = 'StartTransaction with ATG'; | |
110 | const beginId = PerformanceStatistics.beginMeasure(measureId); | |
111 | let startResponse: StartTransactionResponse; | |
112 | if (this.chargingStation.hasAuthorizedTags()) { | |
113 | const tagId = this.chargingStation.getRandomTagId(); | |
114 | if (this.chargingStation.getAutomaticTransactionGeneratorRequireAuthorize()) { | |
5fdab605 | 115 | // Authorize tagId |
aef1b33a | 116 | const authorizeResponse = await this.chargingStation.ocppRequestService.sendAuthorize(connectorId, tagId); |
5fdab605 | 117 | if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { |
aef1b33a | 118 | logger.info(this.logPrefix(connectorId) + ' start transaction for tagID ' + tagId); |
5fdab605 | 119 | // Start transaction |
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120 | startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId); |
121 | PerformanceStatistics.endMeasure(measureId, beginId); | |
122 | return startResponse; | |
5fdab605 | 123 | } |
aef1b33a | 124 | PerformanceStatistics.endMeasure(measureId, beginId); |
4faad557 | 125 | return authorizeResponse; |
ef6076c1 | 126 | } |
aef1b33a | 127 | logger.info(this.logPrefix(connectorId) + ' start transaction for tagID ' + tagId); |
5fdab605 | 128 | // Start transaction |
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129 | startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId); |
130 | PerformanceStatistics.endMeasure(measureId, beginId); | |
131 | return startResponse; | |
6af9012e | 132 | } |
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133 | logger.info(this.logPrefix(connectorId) + ' start transaction without a tagID'); |
134 | startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId); | |
135 | PerformanceStatistics.endMeasure(measureId, beginId); | |
136 | return startResponse; | |
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137 | } |
138 | ||
65c5527e | 139 | // eslint-disable-next-line consistent-this |
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140 | private async stopTransaction(connectorId: number): Promise<StopTransactionResponse> { |
141 | const measureId = 'StopTransaction with ATG'; | |
142 | const beginId = PerformanceStatistics.beginMeasure(measureId); | |
143 | const transactionId = this.chargingStation.getConnector(connectorId).transactionId; | |
144 | const stopResponse = this.chargingStation.ocppRequestService.sendStopTransaction(transactionId, | |
145 | this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId), this.chargingStation.getTransactionIdTag(transactionId)); | |
146 | PerformanceStatistics.endMeasure(measureId, beginId); | |
147 | return stopResponse; | |
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148 | } |
149 | ||
6e0964c8 | 150 | private logPrefix(connectorId?: number): string { |
c0560973 | 151 | if (connectorId) { |
54b1efe0 | 152 | return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' | ATG on connector #' + connectorId.toString() + ':'); |
c0560973 | 153 | } |
54b1efe0 | 154 | return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' | ATG:'); |
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155 | } |
156 | } |