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4faad557 | 1 | import { AuthorizationStatus, AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/ocpp/1.6/Transaction'; |
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2 | import { PerformanceObserver, performance } from 'perf_hooks'; |
3 | ||
4 | import ChargingStation from './ChargingStation'; | |
5 | import Constants from '../utils/Constants'; | |
6 | import Utils from '../utils/Utils'; | |
7 | import logger from '../utils/Logger'; | |
8 | ||
9 | export default class AutomaticTransactionGenerator { | |
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10 | public timeToStop: boolean; |
11 | private chargingStation: ChargingStation; | |
12 | private performanceObserver: PerformanceObserver; | |
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13 | |
14 | constructor(chargingStation: ChargingStation) { | |
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15 | this.chargingStation = chargingStation; |
16 | this.timeToStop = true; | |
17 | if (this.chargingStation.getEnableStatistics()) { | |
18 | this.performanceObserver = new PerformanceObserver((list) => { | |
6af9012e | 19 | const entry = list.getEntries()[0]; |
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20 | this.chargingStation.statistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR); |
21 | this.performanceObserver.disconnect(); | |
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22 | }); |
23 | } | |
24 | } | |
25 | ||
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26 | _logPrefix(connectorId: number = null): string { |
27 | if (connectorId) { | |
ad2f27c3 | 28 | return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG on connector #' + connectorId.toString() + ':'); |
6af9012e | 29 | } |
ad2f27c3 | 30 | return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG:'); |
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31 | } |
32 | ||
33 | start(): void { | |
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34 | this.timeToStop = false; |
35 | if (this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours && | |
36 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) { | |
6af9012e | 37 | setTimeout(() => { |
ab5f4b03 | 38 | void this.stop(); |
ad2f27c3 | 39 | }, this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000); |
6af9012e | 40 | } |
ad2f27c3 | 41 | for (const connector in this.chargingStation.connectors) { |
6af9012e | 42 | if (Utils.convertToInt(connector) > 0) { |
ab5f4b03 | 43 | void this.startConnector(Utils.convertToInt(connector)); |
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44 | } |
45 | } | |
ad2f27c3 | 46 | logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600)); |
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47 | } |
48 | ||
9ac86a7e | 49 | async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { |
6af9012e | 50 | logger.info(this._logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS'); |
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51 | for (const connector in this.chargingStation.connectors) { |
52 | if (this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) { | |
53 | logger.info(this._logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId.toString()); | |
54 | await this.chargingStation.sendStopTransaction(this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason); | |
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55 | } |
56 | } | |
ad2f27c3 | 57 | this.timeToStop = true; |
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58 | } |
59 | ||
60 | async startConnector(connectorId: number): Promise<void> { | |
61 | do { | |
ad2f27c3 | 62 | if (this.timeToStop) { |
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63 | logger.error(this._logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made'); |
64 | break; | |
65 | } | |
ad2f27c3 | 66 | if (!this.chargingStation._isRegistered()) { |
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67 | logger.error(this._logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered'); |
68 | break; | |
69 | } | |
ad2f27c3 | 70 | if (!this.chargingStation._isChargingStationAvailable()) { |
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71 | logger.info(this._logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable'); |
72 | await this.stop(); | |
73 | break; | |
74 | } | |
ad2f27c3 | 75 | if (!this.chargingStation._isConnectorAvailable(connectorId)) { |
ab5f4b03 | 76 | logger.info(`${this._logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`); |
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77 | break; |
78 | } | |
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79 | const wait = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions, |
80 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000; | |
9ac86a7e | 81 | logger.info(this._logPrefix(connectorId) + ' wait for ' + Utils.milliSecondsToHHMMSS(wait)); |
6af9012e | 82 | await Utils.sleep(wait); |
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83 | const start = Math.random(); |
84 | let skip = 0; | |
ad2f27c3 | 85 | if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) { |
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86 | skip = 0; |
87 | // Start transaction | |
4faad557 | 88 | let startResponse: StartTransactionResponse | AuthorizeResponse; |
ad2f27c3 | 89 | if (this.chargingStation.getEnableStatistics()) { |
6af9012e | 90 | const startTransaction = performance.timerify(this.startTransaction); |
ad2f27c3 | 91 | this.performanceObserver.observe({ entryTypes: ['function'] }); |
65c5527e | 92 | startResponse = await startTransaction(connectorId, this); |
6af9012e | 93 | } else { |
65c5527e | 94 | startResponse = await this.startTransaction(connectorId, this); |
6af9012e | 95 | } |
ef6076c1 | 96 | if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) { |
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97 | logger.info(this._logPrefix(connectorId) + ' transaction rejected'); |
98 | await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME); | |
99 | } else { | |
100 | // Wait until end of transaction | |
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101 | const waitTrxEnd = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration, |
102 | this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000; | |
103 | logger.info(this._logPrefix(connectorId) + ' transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.milliSecondsToHHMMSS(waitTrxEnd)); | |
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104 | await Utils.sleep(waitTrxEnd); |
105 | // Stop transaction | |
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106 | if (this.chargingStation.getConnector(connectorId)?.transactionStarted) { |
107 | logger.info(this._logPrefix(connectorId) + ' stop transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString()); | |
108 | if (this.chargingStation.getEnableStatistics()) { | |
6af9012e | 109 | const stopTransaction = performance.timerify(this.stopTransaction); |
ad2f27c3 | 110 | this.performanceObserver.observe({ entryTypes: ['function'] }); |
65c5527e | 111 | await stopTransaction(connectorId, this); |
6af9012e | 112 | } else { |
65c5527e | 113 | await this.stopTransaction(connectorId, this); |
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114 | } |
115 | } | |
116 | } | |
117 | } else { | |
118 | skip++; | |
65c5527e | 119 | logger.info(this._logPrefix(connectorId) + ' transaction skipped ' + skip.toString()); |
6af9012e | 120 | } |
ad2f27c3 | 121 | } while (!this.timeToStop); |
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122 | logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector'); |
123 | } | |
124 | ||
65c5527e | 125 | // eslint-disable-next-line consistent-this |
4faad557 | 126 | private async startTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StartTransactionResponse | AuthorizeResponse> { |
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127 | if (self.chargingStation.hasAuthorizedTags()) { |
128 | const tagId = self.chargingStation.getRandomTagId(); | |
129 | if (self.chargingStation.stationInfo.AutomaticTransactionGenerator.requireAuthorize) { | |
5fdab605 | 130 | // Authorize tagId |
ad2f27c3 | 131 | const authorizeResponse = await self.chargingStation.sendAuthorize(tagId); |
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132 | if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { |
133 | logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId); | |
134 | // Start transaction | |
ad2f27c3 | 135 | return await self.chargingStation.sendStartTransaction(connectorId, tagId); |
5fdab605 | 136 | } |
4faad557 | 137 | return authorizeResponse; |
ef6076c1 | 138 | } |
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139 | logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId); |
140 | // Start transaction | |
ad2f27c3 | 141 | return await self.chargingStation.sendStartTransaction(connectorId, tagId); |
6af9012e | 142 | } |
65c5527e | 143 | logger.info(self._logPrefix(connectorId) + ' start transaction without a tagID'); |
ad2f27c3 | 144 | return await self.chargingStation.sendStartTransaction(connectorId); |
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145 | } |
146 | ||
65c5527e | 147 | // eslint-disable-next-line consistent-this |
17991e8c | 148 | private async stopTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StopTransactionResponse> { |
ad2f27c3 | 149 | return await self.chargingStation.sendStopTransaction(self.chargingStation.getConnector(connectorId).transactionId); |
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150 | } |
151 | } |