import {
+ ApplicationProtocol,
+ AuthenticationType,
+ type ConfigurationData,
ProcedureName,
type ProtocolResponse,
type RequestPayload,
type ResponsePayload,
ResponseStatus
} from '@/types'
-import config from '@/assets/config'
type ResponseHandler = {
procedureName: ProcedureName
private ws!: WebSocket
private responseHandlers: Map<string, ResponseHandler>
- private constructor() {
+ private constructor(private configuration: ConfigurationData) {
this.openWS()
this.responseHandlers = new Map<string, ResponseHandler>()
}
- public static getInstance() {
+ public static getInstance(configuration: ConfigurationData) {
if (UIClient.instance === null) {
- UIClient.instance = new UIClient()
+ UIClient.instance = new UIClient(configuration)
}
return UIClient.instance
}
return this.sendRequest(ProcedureName.STOP_SIMULATOR, {})
}
+ public async deleteChargingStation(hashId: string): Promise<ResponsePayload> {
+ return this.sendRequest(ProcedureName.DELETE_CHARGING_STATIONS, { hashIds: [hashId] })
+ }
+
public async listChargingStations(): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.LIST_CHARGING_STATIONS, {})
}
})
}
- private openWS(): void {
+ public openWS(): void {
+ const protocols =
+ this.configuration.uiServer.authentication?.enabled === true &&
+ this.configuration.uiServer.authentication?.type === AuthenticationType.PROTOCOL_BASIC_AUTH
+ ? [
+ `${this.configuration.uiServer.protocol}${this.configuration.uiServer.version}`,
+ `authorization.basic.${btoa(`${this.configuration.uiServer.authentication.username}:${this.configuration.uiServer.authentication.password}`).replace(/={1,2}$/, '')}`
+ ]
+ : `${this.configuration.uiServer.protocol}${this.configuration.uiServer.version}`
this.ws = new WebSocket(
- `ws://${config.uiServer.host}:${config.uiServer.port}`,
- config.uiServer.protocol
+ `${this.configuration.uiServer.secure === true ? ApplicationProtocol.WSS : ApplicationProtocol.WS}://${this.configuration.uiServer.host}:${this.configuration.uiServer.port}`,
+ protocols
)
+ this.ws.onopen = openEvent => {
+ console.info('WebSocket opened', openEvent)
+ }
this.ws.onmessage = this.responseHandler.bind(this)
- this.ws.onerror = (errorEvent) => {
+ this.ws.onerror = errorEvent => {
console.error('WebSocket error: ', errorEvent)
}
- this.ws.onclose = (closeEvent) => {
+ this.ws.onclose = closeEvent => {
console.info('WebSocket closed: ', closeEvent)
}
}
- private setResponseHandler(
- id: string,
- procedureName: ProcedureName,
- resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => void,
- reject: (reason?: unknown) => void
- ): void {
- this.responseHandlers.set(id, { procedureName, resolve, reject })
- }
-
- private getResponseHandler(id: string): ResponseHandler | undefined {
- return this.responseHandlers.get(id)
- }
-
- private deleteResponseHandler(id: string): boolean {
- return this.responseHandlers.delete(id)
- }
-
private async sendRequest(
- command: ProcedureName,
- data: RequestPayload
+ procedureName: ProcedureName,
+ payload: RequestPayload
): Promise<ResponsePayload> {
return new Promise<ResponsePayload>((resolve, reject) => {
- if (this.ws.readyState !== WebSocket.OPEN) {
- this.openWS()
- }
if (this.ws.readyState === WebSocket.OPEN) {
const uuid = crypto.randomUUID()
- const msg = JSON.stringify([uuid, command, data])
+ const msg = JSON.stringify([uuid, procedureName, payload])
const sendTimeout = setTimeout(() => {
- this.deleteResponseHandler(uuid)
- return reject(new Error(`Send request '${command}' message timeout`))
- }, 60 * 1000)
+ this.responseHandlers.delete(uuid)
+ return reject(new Error(`Send request '${procedureName}' message: connection timeout`))
+ }, 60000)
try {
this.ws.send(msg)
- this.setResponseHandler(uuid, command, resolve, reject)
+ this.responseHandlers.set(uuid, { procedureName, resolve, reject })
} catch (error) {
- this.deleteResponseHandler(uuid)
+ this.responseHandlers.delete(uuid)
reject(error)
} finally {
clearTimeout(sendTimeout)
}
} else {
- throw new Error(`Send request '${command}' message: connection not opened`)
+ reject(new Error(`Send request '${procedureName}' message: connection closed`))
}
})
}
const [uuid, responsePayload] = response
if (this.responseHandlers.has(uuid) === true) {
- const { procedureName, resolve, reject } = this.getResponseHandler(uuid)!
+ const { procedureName, resolve, reject } = this.responseHandlers.get(uuid)!
switch (responsePayload.status) {
case ResponseStatus.SUCCESS:
resolve(responsePayload)
`Response status for procedure '${procedureName}' not supported: '${responsePayload.status}'`
)
}
- this.deleteResponseHandler(uuid)
+ this.responseHandlers.delete(uuid)
} else {
throw new Error(`Not a response to a request: ${JSON.stringify(response, undefined, 2)}`)
}