Commit | Line | Data |
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6c8f5d90 | 1 | import BaseError from '../exception/BaseError'; |
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2 | import { RequestCommand } from '../types/ocpp/Requests'; |
3 | import { | |
6c8f5d90 | 4 | AuthorizationStatus, |
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5 | StartTransactionRequest, |
6 | StartTransactionResponse, | |
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7 | StopTransactionRequest, |
8 | StopTransactionResponse, | |
9 | } from '../types/ocpp/Transaction'; | |
10 | import { | |
11 | BroadcastChannelProcedureName, | |
12 | BroadcastChannelRequest, | |
6c8f5d90 JB |
13 | BroadcastChannelRequestPayload, |
14 | BroadcastChannelResponsePayload, | |
15 | MessageEvent, | |
89b7a234 | 16 | } from '../types/WorkerBroadcastChannel'; |
f27eb751 | 17 | import { ResponseStatus } from '../ui/web/src/types/UIProtocol'; |
6c8f5d90 | 18 | import logger from '../utils/Logger'; |
db2336d9 | 19 | import type ChargingStation from './ChargingStation'; |
1598b27c | 20 | import WorkerBroadcastChannel from './WorkerBroadcastChannel'; |
89b7a234 | 21 | |
4e3ff94d JB |
22 | const moduleName = 'ChargingStationWorkerBroadcastChannel'; |
23 | ||
6c8f5d90 | 24 | type CommandResponse = StartTransactionResponse | StopTransactionResponse; |
89b7a234 | 25 | |
1598b27c | 26 | export default class ChargingStationWorkerBroadcastChannel extends WorkerBroadcastChannel { |
89b7a234 JB |
27 | private readonly chargingStation: ChargingStation; |
28 | ||
29 | constructor(chargingStation: ChargingStation) { | |
1598b27c | 30 | super(); |
89b7a234 | 31 | this.chargingStation = chargingStation; |
02a6943a | 32 | this.onmessage = this.requestHandler.bind(this) as (message: MessageEvent) => void; |
6c8f5d90 | 33 | this.onmessageerror = this.messageErrorHandler.bind(this) as (message: MessageEvent) => void; |
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34 | } |
35 | ||
02a6943a | 36 | private async requestHandler(messageEvent: MessageEvent): Promise<void> { |
6c8f5d90 JB |
37 | if (this.isResponse(messageEvent.data)) { |
38 | return; | |
39 | } | |
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40 | const [uuid, command, requestPayload] = this.validateMessageEvent(messageEvent) |
41 | .data as BroadcastChannelRequest; | |
6c8f5d90 | 42 | |
18057587 JB |
43 | if (requestPayload?.hashIds !== undefined || requestPayload?.hashId !== undefined) { |
44 | if ( | |
45 | requestPayload?.hashId === undefined && | |
46 | requestPayload?.hashIds?.includes(this.chargingStation.stationInfo.hashId) === false | |
47 | ) { | |
48 | return; | |
49 | } | |
50 | if ( | |
51 | requestPayload?.hashIds === undefined && | |
52 | requestPayload?.hashId !== this.chargingStation.stationInfo.hashId | |
53 | ) { | |
54 | return; | |
55 | } | |
56 | if (requestPayload?.hashId !== undefined) { | |
57 | logger.warn( | |
58 | `${this.chargingStation.logPrefix()} ${moduleName}.requestHandler: 'hashId' field usage in PDU is deprecated, use 'hashIds' instead` | |
59 | ); | |
60 | } | |
4eca248c | 61 | } |
89b7a234 | 62 | |
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63 | let responsePayload: BroadcastChannelResponsePayload; |
64 | let commandResponse: CommandResponse; | |
65 | try { | |
66 | commandResponse = await this.commandHandler(command, requestPayload); | |
67 | if (commandResponse === undefined) { | |
10d244c0 | 68 | responsePayload = { |
51c83d6f | 69 | hashId: this.chargingStation.stationInfo.hashId, |
10d244c0 JB |
70 | status: ResponseStatus.SUCCESS, |
71 | }; | |
6c8f5d90 | 72 | } else { |
10d244c0 | 73 | responsePayload = { |
51c83d6f | 74 | hashId: this.chargingStation.stationInfo.hashId, |
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75 | status: this.commandResponseToResponseStatus(commandResponse), |
76 | }; | |
6c8f5d90 JB |
77 | } |
78 | } catch (error) { | |
79 | logger.error( | |
80 | `${this.chargingStation.logPrefix()} ${moduleName}.requestHandler: Handle request error:`, | |
81 | error | |
82 | ); | |
83 | responsePayload = { | |
51c83d6f | 84 | hashId: this.chargingStation.stationInfo.hashId, |
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85 | status: ResponseStatus.FAILURE, |
86 | command, | |
87 | requestPayload, | |
88 | commandResponse, | |
89 | errorMessage: (error as Error).message, | |
90 | errorStack: (error as Error).stack, | |
91 | }; | |
92 | } | |
93 | this.sendResponse([uuid, responsePayload]); | |
94 | } | |
95 | ||
96 | private messageErrorHandler(messageEvent: MessageEvent): void { | |
97 | logger.error( | |
98 | `${this.chargingStation.logPrefix()} ${moduleName}.messageErrorHandler: Error at handling message:`, | |
5e3cb728 | 99 | { messageEvent } |
6c8f5d90 JB |
100 | ); |
101 | } | |
102 | ||
103 | private async commandHandler( | |
104 | command: BroadcastChannelProcedureName, | |
105 | requestPayload: BroadcastChannelRequestPayload | |
106 | ): Promise<CommandResponse | undefined> { | |
89b7a234 | 107 | switch (command) { |
4f69be04 JB |
108 | case BroadcastChannelProcedureName.START_CHARGING_STATION: |
109 | this.chargingStation.start(); | |
110 | break; | |
111 | case BroadcastChannelProcedureName.STOP_CHARGING_STATION: | |
112 | await this.chargingStation.stop(); | |
113 | break; | |
114 | case BroadcastChannelProcedureName.OPEN_CONNECTION: | |
115 | this.chargingStation.openWSConnection(); | |
116 | break; | |
117 | case BroadcastChannelProcedureName.CLOSE_CONNECTION: | |
118 | this.chargingStation.closeWSConnection(); | |
119 | break; | |
89b7a234 | 120 | case BroadcastChannelProcedureName.START_TRANSACTION: |
6c8f5d90 | 121 | return this.chargingStation.ocppRequestService.requestHandler< |
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122 | StartTransactionRequest, |
123 | StartTransactionResponse | |
124 | >(this.chargingStation, RequestCommand.START_TRANSACTION, { | |
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125 | connectorId: requestPayload.connectorId, |
126 | idTag: requestPayload.idTag, | |
89b7a234 | 127 | }); |
89b7a234 | 128 | case BroadcastChannelProcedureName.STOP_TRANSACTION: |
6c8f5d90 | 129 | return this.chargingStation.ocppRequestService.requestHandler< |
89b7a234 JB |
130 | StopTransactionRequest, |
131 | StopTransactionResponse | |
132 | >(this.chargingStation, RequestCommand.STOP_TRANSACTION, { | |
6c8f5d90 | 133 | transactionId: requestPayload.transactionId, |
89b7a234 | 134 | meterStop: this.chargingStation.getEnergyActiveImportRegisterByTransactionId( |
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135 | requestPayload.transactionId, |
136 | true | |
89b7a234 | 137 | ), |
6c8f5d90 | 138 | idTag: this.chargingStation.getTransactionIdTag(requestPayload.transactionId), |
4f317101 | 139 | ...(requestPayload.reason && { reason: requestPayload.reason }), |
89b7a234 | 140 | }); |
4f69be04 | 141 | case BroadcastChannelProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR: |
a5e9befc | 142 | this.chargingStation.startAutomaticTransactionGenerator(requestPayload.connectorIds); |
89b7a234 | 143 | break; |
4f69be04 | 144 | case BroadcastChannelProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR: |
a5e9befc | 145 | this.chargingStation.stopAutomaticTransactionGenerator(requestPayload.connectorIds); |
db2336d9 | 146 | break; |
6c8f5d90 JB |
147 | default: |
148 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions | |
ce7a4fc3 | 149 | throw new BaseError(`Unknown worker broadcast channel command: ${command}`); |
6c8f5d90 JB |
150 | } |
151 | } | |
152 | ||
153 | private commandResponseToResponseStatus(commandResponse: CommandResponse): ResponseStatus { | |
154 | if (commandResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { | |
155 | return ResponseStatus.SUCCESS; | |
89b7a234 | 156 | } |
6c8f5d90 | 157 | return ResponseStatus.FAILURE; |
89b7a234 JB |
158 | } |
159 | } |