1 // Partial Copyright Jerome Benoit. 2021-2024. All Rights Reserved.
3 import type { JSONSchemaType
} from
'ajv'
5 import { OCPP20ServiceUtils
} from
'./OCPP20ServiceUtils.js'
6 import { type ChargingStation
, addConfigurationKey
} from
'../../../charging-station/index.js'
7 import { OCPPError
} from
'../../../exception/index.js'
11 type OCPP20BootNotificationResponse
,
12 type OCPP20ClearCacheResponse
,
13 type OCPP20HeartbeatResponse
,
14 OCPP20IncomingRequestCommand
,
15 OCPP20OptionalVariableName
,
17 type OCPP20StatusNotificationResponse
,
19 RegistrationStatusEnumType
,
21 } from
'../../../types/index.js'
22 import { logger
} from
'../../../utils/index.js'
23 import { OCPPResponseService
} from
'../OCPPResponseService.js'
25 const moduleName
= 'OCPP20ResponseService'
27 export class OCPP20ResponseService
extends OCPPResponseService
{
28 public jsonIncomingRequestResponseSchemas
: Map
<
29 OCPP20IncomingRequestCommand
,
30 JSONSchemaType
<JsonType
>
33 private readonly responseHandlers
: Map
<OCPP20RequestCommand
, ResponseHandler
>
34 private readonly jsonSchemas
: Map
<OCPP20RequestCommand
, JSONSchemaType
<JsonType
>>
36 public constructor () {
37 // if (new.target.name === moduleName) {
38 // throw new TypeError(`Cannot construct ${new.target.name} instances directly`)
40 super(OCPPVersion
.VERSION_20
)
41 this.responseHandlers
= new Map
<OCPP20RequestCommand
, ResponseHandler
>([
43 OCPP20RequestCommand
.BOOT_NOTIFICATION
,
44 this.handleResponseBootNotification
.bind(this) as ResponseHandler
46 [OCPP20RequestCommand
.HEARTBEAT
, this.emptyResponseHandler
],
47 [OCPP20RequestCommand
.STATUS_NOTIFICATION
, this.emptyResponseHandler
]
49 this.jsonSchemas
= new Map
<OCPP20RequestCommand
, JSONSchemaType
<JsonType
>>([
51 OCPP20RequestCommand
.BOOT_NOTIFICATION
,
52 OCPP20ServiceUtils
.parseJsonSchemaFile
<OCPP20BootNotificationResponse
>(
53 'assets/json-schemas/ocpp/2.0/BootNotificationResponse.json',
59 OCPP20RequestCommand
.HEARTBEAT
,
60 OCPP20ServiceUtils
.parseJsonSchemaFile
<OCPP20HeartbeatResponse
>(
61 'assets/json-schemas/ocpp/2.0/HeartbeatResponse.json',
67 OCPP20RequestCommand
.STATUS_NOTIFICATION
,
68 OCPP20ServiceUtils
.parseJsonSchemaFile
<OCPP20StatusNotificationResponse
>(
69 'assets/json-schemas/ocpp/2.0/StatusNotificationResponse.json',
75 this.jsonIncomingRequestResponseSchemas
= new Map([
77 OCPP20IncomingRequestCommand
.CLEAR_CACHE
,
78 OCPP20ServiceUtils
.parseJsonSchemaFile
<OCPP20ClearCacheResponse
>(
79 'assets/json-schemas/ocpp/2.0/ClearCacheResponse.json',
85 this.validatePayload
= this.validatePayload
.bind(this) as (
86 chargingStation
: ChargingStation
,
87 commandName
: OCPP20RequestCommand
,
92 public async responseHandler
<ReqType
extends JsonType
, ResType
extends JsonType
>(
93 chargingStation
: ChargingStation
,
94 commandName
: OCPP20RequestCommand
,
96 requestPayload
: ReqType
98 if (chargingStation
.isRegistered() || commandName
=== OCPP20RequestCommand
.BOOT_NOTIFICATION
) {
100 this.responseHandlers
.has(commandName
) &&
101 OCPP20ServiceUtils
.isRequestCommandSupported(chargingStation
, commandName
)
104 this.validatePayload(chargingStation
, commandName
, payload
)
105 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
106 await this.responseHandlers
.get(commandName
)!(chargingStation
, payload
, requestPayload
)
109 `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`,
117 ErrorType
.NOT_IMPLEMENTED
,
118 `${commandName} is not implemented to handle response PDU ${JSON.stringify(
129 ErrorType
.SECURITY_ERROR
,
130 `${commandName} cannot be issued to handle response PDU ${JSON.stringify(
134 )} while the charging station is not registered on the central server.`,
141 private validatePayload (
142 chargingStation
: ChargingStation
,
143 commandName
: OCPP20RequestCommand
,
146 if (this.jsonSchemas
.has(commandName
)) {
147 return this.validateResponsePayload(
150 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
151 this.jsonSchemas
.get(commandName
)!,
156 `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`
161 private handleResponseBootNotification (
162 chargingStation
: ChargingStation
,
163 payload
: OCPP20BootNotificationResponse
165 if (payload
.status === RegistrationStatusEnumType
.ACCEPTED
) {
168 OCPP20OptionalVariableName
.HeartbeatInterval
,
169 payload
.interval
.toString(),
171 { overwrite
: true, save
: true }
173 OCPP20ServiceUtils
.startHeartbeatInterval(chargingStation
, payload
.interval
)
175 if (Object.values(RegistrationStatusEnumType
).includes(payload
.status)) {
176 const logMsg
= `${chargingStation.logPrefix()} Charging station in '${
178 }' state on the central server`
179 payload
.status === RegistrationStatusEnumType
.REJECTED
180 ? logger
.warn(logMsg
)
181 : logger
.info(logMsg
)
184 `${chargingStation.logPrefix()} Charging station boot notification response received: %j with undefined registration status`,