Commit | Line | Data |
---|---|---|
0f71040c | 1 | import { |
217db058 | 2 | ApplicationProtocol, |
329eab0e | 3 | AuthenticationType, |
0f71040c | 4 | ProcedureName, |
82a77234 | 5 | type ProtocolResponse, |
0f71040c JB |
6 | type RequestPayload, |
7 | type ResponsePayload, | |
f292861c JB |
8 | ResponseStatus, |
9 | type UIServerConfigurationSection | |
66a7748d | 10 | } from '@/types' |
32de5a57 LM |
11 | |
12 | type ResponseHandler = { | |
66a7748d JB |
13 | procedureName: ProcedureName |
14 | resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => void | |
15 | reject: (reason?: unknown) => void | |
16 | } | |
32de5a57 | 17 | |
8137295e | 18 | export class UIClient { |
c25a4046 | 19 | private static instance: UIClient | null = null |
32de5a57 | 20 | |
66a7748d JB |
21 | private ws!: WebSocket |
22 | private responseHandlers: Map<string, ResponseHandler> | |
32de5a57 | 23 | |
f292861c | 24 | private constructor(private uiServerConfiguration: UIServerConfigurationSection) { |
66a7748d JB |
25 | this.openWS() |
26 | this.responseHandlers = new Map<string, ResponseHandler>() | |
32de5a57 LM |
27 | } |
28 | ||
c25a4046 JB |
29 | public static getInstance(uiServerConfiguration: UIServerConfigurationSection): UIClient { |
30 | if (UIClient.instance === null) { | |
31 | UIClient.instance = new UIClient(uiServerConfiguration) | |
32de5a57 | 32 | } |
c25a4046 | 33 | return UIClient.instance |
32de5a57 LM |
34 | } |
35 | ||
a4baab63 JB |
36 | public setConfiguration(uiServerConfiguration: UIServerConfigurationSection): void { |
37 | this.ws.close() | |
38 | this.uiServerConfiguration = uiServerConfiguration | |
39 | this.openWS() | |
40 | } | |
41 | ||
ca1e5439 JB |
42 | public registerWSEventListener<K extends keyof WebSocketEventMap>( |
43 | event: K, | |
44 | listener: (event: WebSocketEventMap[K]) => void | |
45 | ) { | |
46 | this.ws.addEventListener(event, listener) | |
32de5a57 LM |
47 | } |
48 | ||
5a010bf0 | 49 | public async startSimulator(): Promise<ResponsePayload> { |
66a7748d | 50 | return this.sendRequest(ProcedureName.START_SIMULATOR, {}) |
5a010bf0 JB |
51 | } |
52 | ||
53 | public async stopSimulator(): Promise<ResponsePayload> { | |
66a7748d | 54 | return this.sendRequest(ProcedureName.STOP_SIMULATOR, {}) |
5a010bf0 | 55 | } |
32de5a57 | 56 | |
c317ae3e JB |
57 | public async listTemplates(): Promise<ResponsePayload> { |
58 | return this.sendRequest(ProcedureName.LIST_TEMPLATES, {}) | |
a64b9a64 JB |
59 | } |
60 | ||
5a010bf0 | 61 | public async listChargingStations(): Promise<ResponsePayload> { |
66a7748d | 62 | return this.sendRequest(ProcedureName.LIST_CHARGING_STATIONS, {}) |
32de5a57 LM |
63 | } |
64 | ||
c317ae3e JB |
65 | public async addChargingStations( |
66 | template: string, | |
67 | numberOfStations: number | |
68 | ): Promise<ResponsePayload> { | |
69 | return this.sendRequest(ProcedureName.ADD_CHARGING_STATIONS, { template, numberOfStations }) | |
70 | } | |
71 | ||
72 | public async deleteChargingStation(hashId: string): Promise<ResponsePayload> { | |
73 | return this.sendRequest(ProcedureName.DELETE_CHARGING_STATIONS, { hashIds: [hashId] }) | |
74 | } | |
75 | ||
f8696170 JB |
76 | public async setSupervisionUrl(hashId: string, supervisionUrl: string): Promise<ResponsePayload> { |
77 | return this.sendRequest(ProcedureName.SET_SUPERVISION_URL, { | |
78 | hashIds: [hashId], | |
79 | url: supervisionUrl | |
80 | }) | |
81 | } | |
82 | ||
8fc2e5cc | 83 | public async startChargingStation(hashId: string): Promise<ResponsePayload> { |
66a7748d | 84 | return this.sendRequest(ProcedureName.START_CHARGING_STATION, { hashIds: [hashId] }) |
8fc2e5cc JB |
85 | } |
86 | ||
87 | public async stopChargingStation(hashId: string): Promise<ResponsePayload> { | |
66a7748d | 88 | return this.sendRequest(ProcedureName.STOP_CHARGING_STATION, { hashIds: [hashId] }) |
8fc2e5cc JB |
89 | } |
90 | ||
91 | public async openConnection(hashId: string): Promise<ResponsePayload> { | |
92 | return this.sendRequest(ProcedureName.OPEN_CONNECTION, { | |
a974c8e4 | 93 | hashIds: [hashId] |
66a7748d | 94 | }) |
8fc2e5cc JB |
95 | } |
96 | ||
97 | public async closeConnection(hashId: string): Promise<ResponsePayload> { | |
98 | return this.sendRequest(ProcedureName.CLOSE_CONNECTION, { | |
a974c8e4 | 99 | hashIds: [hashId] |
66a7748d | 100 | }) |
8fc2e5cc JB |
101 | } |
102 | ||
32de5a57 LM |
103 | public async startTransaction( |
104 | hashId: string, | |
105 | connectorId: number, | |
66a7748d | 106 | idTag: string | undefined |
32de5a57 | 107 | ): Promise<ResponsePayload> { |
32de5a57 | 108 | return this.sendRequest(ProcedureName.START_TRANSACTION, { |
757b2ecf | 109 | hashIds: [hashId], |
32de5a57 | 110 | connectorId, |
a974c8e4 | 111 | idTag |
66a7748d | 112 | }) |
32de5a57 LM |
113 | } |
114 | ||
5a010bf0 JB |
115 | public async stopTransaction( |
116 | hashId: string, | |
66a7748d | 117 | transactionId: number | undefined |
5a010bf0 | 118 | ): Promise<ResponsePayload> { |
32de5a57 | 119 | return this.sendRequest(ProcedureName.STOP_TRANSACTION, { |
757b2ecf | 120 | hashIds: [hashId], |
a974c8e4 | 121 | transactionId |
66a7748d | 122 | }) |
32de5a57 LM |
123 | } |
124 | ||
757b2ecf JB |
125 | public async startAutomaticTransactionGenerator( |
126 | hashId: string, | |
66a7748d | 127 | connectorId: number |
757b2ecf JB |
128 | ): Promise<ResponsePayload> { |
129 | return this.sendRequest(ProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR, { | |
130 | hashIds: [hashId], | |
a974c8e4 | 131 | connectorIds: [connectorId] |
66a7748d | 132 | }) |
757b2ecf JB |
133 | } |
134 | ||
135 | public async stopAutomaticTransactionGenerator( | |
136 | hashId: string, | |
66a7748d | 137 | connectorId: number |
757b2ecf JB |
138 | ): Promise<ResponsePayload> { |
139 | return this.sendRequest(ProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR, { | |
140 | hashIds: [hashId], | |
a974c8e4 | 141 | connectorIds: [connectorId] |
66a7748d | 142 | }) |
757b2ecf JB |
143 | } |
144 | ||
9e1d6e03 | 145 | private openWS(): void { |
329eab0e | 146 | const protocols = |
f292861c JB |
147 | this.uiServerConfiguration.authentication?.enabled === true && |
148 | this.uiServerConfiguration.authentication?.type === AuthenticationType.PROTOCOL_BASIC_AUTH | |
329eab0e | 149 | ? [ |
f292861c JB |
150 | `${this.uiServerConfiguration.protocol}${this.uiServerConfiguration.version}`, |
151 | `authorization.basic.${btoa(`${this.uiServerConfiguration.authentication.username}:${this.uiServerConfiguration.authentication.password}`).replace(/={1,2}$/, '')}` | |
329eab0e | 152 | ] |
f292861c | 153 | : `${this.uiServerConfiguration.protocol}${this.uiServerConfiguration.version}` |
12f26d4a | 154 | this.ws = new WebSocket( |
f292861c | 155 | `${this.uiServerConfiguration.secure === true ? ApplicationProtocol.WSS : ApplicationProtocol.WS}://${this.uiServerConfiguration.host}:${this.uiServerConfiguration.port}`, |
329eab0e | 156 | protocols |
66a7748d | 157 | ) |
e2372e58 JB |
158 | this.ws.onopen = openEvent => { |
159 | console.info('WebSocket opened', openEvent) | |
160 | } | |
66a7748d | 161 | this.ws.onmessage = this.responseHandler.bind(this) |
a974c8e4 | 162 | this.ws.onerror = errorEvent => { |
66a7748d JB |
163 | console.error('WebSocket error: ', errorEvent) |
164 | } | |
a974c8e4 | 165 | this.ws.onclose = closeEvent => { |
66a7748d JB |
166 | console.info('WebSocket closed: ', closeEvent) |
167 | } | |
5a010bf0 JB |
168 | } |
169 | ||
757b2ecf | 170 | private async sendRequest( |
8d6f4790 JB |
171 | procedureName: ProcedureName, |
172 | payload: RequestPayload | |
757b2ecf | 173 | ): Promise<ResponsePayload> { |
5b2721db | 174 | return new Promise<ResponsePayload>((resolve, reject) => { |
1b2acf4e | 175 | if (this.ws.readyState === WebSocket.OPEN) { |
66a7748d | 176 | const uuid = crypto.randomUUID() |
8d6f4790 | 177 | const msg = JSON.stringify([uuid, procedureName, payload]) |
1a32c36b | 178 | const sendTimeout = setTimeout(() => { |
8d6f4790 | 179 | this.responseHandlers.delete(uuid) |
e2372e58 | 180 | return reject(new Error(`Send request '${procedureName}' message: connection timeout`)) |
9d76f5ec | 181 | }, 60000) |
1a32c36b | 182 | try { |
66a7748d | 183 | this.ws.send(msg) |
8d6f4790 | 184 | this.responseHandlers.set(uuid, { procedureName, resolve, reject }) |
1a32c36b | 185 | } catch (error) { |
8d6f4790 | 186 | this.responseHandlers.delete(uuid) |
66a7748d | 187 | reject(error) |
1a32c36b | 188 | } finally { |
66a7748d | 189 | clearTimeout(sendTimeout) |
1a32c36b | 190 | } |
1b2acf4e | 191 | } else { |
e2372e58 | 192 | reject(new Error(`Send request '${procedureName}' message: connection closed`)) |
1b2acf4e | 193 | } |
66a7748d | 194 | }) |
32de5a57 LM |
195 | } |
196 | ||
97f0a1a5 | 197 | private responseHandler(messageEvent: MessageEvent<string>): void { |
66a7748d | 198 | const response = JSON.parse(messageEvent.data) as ProtocolResponse |
32de5a57 | 199 | |
5e3cb728 | 200 | if (Array.isArray(response) === false) { |
66a7748d | 201 | throw new Error(`Response not an array: ${JSON.stringify(response, undefined, 2)}`) |
32de5a57 LM |
202 | } |
203 | ||
66a7748d | 204 | const [uuid, responsePayload] = response |
32de5a57 | 205 | |
12f26d4a | 206 | if (this.responseHandlers.has(uuid) === true) { |
8d6f4790 | 207 | const { procedureName, resolve, reject } = this.responseHandlers.get(uuid)! |
5e3cb728 | 208 | switch (responsePayload.status) { |
32de5a57 | 209 | case ResponseStatus.SUCCESS: |
66a7748d JB |
210 | resolve(responsePayload) |
211 | break | |
32de5a57 | 212 | case ResponseStatus.FAILURE: |
66a7748d JB |
213 | reject(responsePayload) |
214 | break | |
32de5a57 | 215 | default: |
7c1d037f JB |
216 | reject( |
217 | new Error( | |
218 | `Response status for procedure '${procedureName}' not supported: '${responsePayload.status}'` | |
219 | ) | |
66a7748d | 220 | ) |
32de5a57 | 221 | } |
8d6f4790 | 222 | this.responseHandlers.delete(uuid) |
32de5a57 | 223 | } else { |
66a7748d | 224 | throw new Error(`Not a response to a request: ${JSON.stringify(response, undefined, 2)}`) |
32de5a57 LM |
225 | } |
226 | } | |
227 | } |