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29bf6658 | 1 | import { AuthorizationStatus, 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 { | |
10 | private _chargingStation: ChargingStation; | |
11 | private _timeToStop: boolean; | |
12 | private _performanceObserver: PerformanceObserver; | |
13 | ||
14 | constructor(chargingStation: ChargingStation) { | |
15 | this._chargingStation = chargingStation; | |
16 | this._timeToStop = true; | |
17 | if (this._chargingStation.getEnableStatistics()) { | |
18 | this._performanceObserver = new PerformanceObserver((list) => { | |
19 | const entry = list.getEntries()[0]; | |
10570d97 | 20 | this._chargingStation.statistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR); |
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21 | this._performanceObserver.disconnect(); |
22 | }); | |
23 | } | |
24 | } | |
25 | ||
26 | get timeToStop(): boolean { | |
27 | return this._timeToStop; | |
28 | } | |
29 | ||
30 | _logPrefix(connectorId: number = null): string { | |
31 | if (connectorId) { | |
7ec46a9a | 32 | return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG on connector #' + connectorId.toString() + ':'); |
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33 | } |
34 | return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG:'); | |
35 | } | |
36 | ||
37 | start(): void { | |
38 | this._timeToStop = false; | |
39 | if (this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours && | |
40 | this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) { | |
41 | setTimeout(() => { | |
42 | this.stop(); | |
43 | }, this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000); | |
44 | } | |
45 | for (const connector in this._chargingStation.connectors) { | |
46 | if (Utils.convertToInt(connector) > 0) { | |
47 | this.startConnector(Utils.convertToInt(connector)); | |
48 | } | |
49 | } | |
9ac86a7e | 50 | logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600)); |
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51 | } |
52 | ||
9ac86a7e | 53 | async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { |
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54 | logger.info(this._logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS'); |
55 | for (const connector in this._chargingStation.connectors) { | |
56 | if (this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) { | |
7ec46a9a | 57 | logger.info(this._logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId.toString()); |
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58 | await this._chargingStation.sendStopTransaction(this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason); |
59 | } | |
60 | } | |
61 | this._timeToStop = true; | |
62 | } | |
63 | ||
64 | async startConnector(connectorId: number): Promise<void> { | |
65 | do { | |
66 | const wait = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions, | |
67 | this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000; | |
9ac86a7e | 68 | logger.info(this._logPrefix(connectorId) + ' wait for ' + Utils.milliSecondsToHHMMSS(wait)); |
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69 | await Utils.sleep(wait); |
70 | if (this._timeToStop) { | |
71 | logger.debug(this._logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made'); | |
72 | break; | |
73 | } | |
74 | const start = Math.random(); | |
75 | let skip = 0; | |
76 | if (start < this._chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) { | |
77 | skip = 0; | |
78 | // Start transaction | |
9ac86a7e | 79 | let startResponse: StartTransactionResponse; |
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80 | if (this._chargingStation.getEnableStatistics()) { |
81 | const startTransaction = performance.timerify(this.startTransaction); | |
82 | this._performanceObserver.observe({ entryTypes: ['function'] }); | |
65c5527e | 83 | startResponse = await startTransaction(connectorId, this); |
6af9012e | 84 | } else { |
65c5527e | 85 | startResponse = await this.startTransaction(connectorId, this); |
6af9012e | 86 | } |
9ac86a7e | 87 | if (startResponse.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) { |
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88 | logger.info(this._logPrefix(connectorId) + ' transaction rejected'); |
89 | await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME); | |
90 | } else { | |
91 | // Wait until end of transaction | |
92 | const waitTrxEnd = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration, | |
93 | this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000; | |
7ec46a9a | 94 | logger.info(this._logPrefix(connectorId) + ' transaction ' + this._chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.milliSecondsToHHMMSS(waitTrxEnd)); |
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95 | await Utils.sleep(waitTrxEnd); |
96 | // Stop transaction | |
97 | if (this._chargingStation.getConnector(connectorId).transactionStarted) { | |
7ec46a9a | 98 | logger.info(this._logPrefix(connectorId) + ' stop transaction ' + this._chargingStation.getConnector(connectorId).transactionId.toString()); |
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99 | if (this._chargingStation.getEnableStatistics()) { |
100 | const stopTransaction = performance.timerify(this.stopTransaction); | |
101 | this._performanceObserver.observe({ entryTypes: ['function'] }); | |
65c5527e | 102 | await stopTransaction(connectorId, this); |
6af9012e | 103 | } else { |
65c5527e | 104 | await this.stopTransaction(connectorId, this); |
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105 | } |
106 | } | |
107 | } | |
108 | } else { | |
109 | skip++; | |
65c5527e | 110 | logger.info(this._logPrefix(connectorId) + ' transaction skipped ' + skip.toString()); |
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111 | } |
112 | } while (!this._timeToStop); | |
113 | logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector'); | |
114 | } | |
115 | ||
65c5527e | 116 | // eslint-disable-next-line consistent-this |
9ac86a7e | 117 | async startTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StartTransactionResponse> { |
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118 | if (self._chargingStation.hasAuthorizedTags()) { |
119 | const tagId = self._chargingStation.getRandomTagId(); | |
120 | logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId); | |
121 | return await self._chargingStation.sendStartTransaction(connectorId, tagId); | |
6af9012e | 122 | } |
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123 | logger.info(self._logPrefix(connectorId) + ' start transaction without a tagID'); |
124 | return await self._chargingStation.sendStartTransaction(connectorId); | |
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125 | } |
126 | ||
65c5527e | 127 | // eslint-disable-next-line consistent-this |
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128 | async stopTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StopTransactionResponse> { |
129 | return await self._chargingStation.sendStopTransaction(self._chargingStation.getConnector(connectorId).transactionId); | |
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130 | } |
131 | } |