Module rpc 

OCPP-J RPC framing (OCPP-J 1.6 §4, OCPP 2.0.1/2.1 Part 4 §4).

CALL            [2, "<MessageId>", "<Action>", {<Payload>}]
CALLRESULT      [3, "<MessageId>", {<Payload>}]
CALLERROR       [4, "<MessageId>", "<errorCode>", "<errorDescription>", {<errorDetails>}]
CALLRESULTERROR [5, "<MessageId>", "<errorCode>", "<errorDescription>", {<errorDetails>}]   (2.1)
SEND            [6, "<MessageId>", "<Action>", {<Payload>}]                                 (2.1)

Enums

Frame

FrameError

A frame that could not be parsed.

MessageTypeId

Constants

MAX_ERROR_DESCRIPTION_LEN

Maximum CALLERROR description length (2.0.1 Part 4 §4.2.3).

MAX_MESSAGE_ID_LEN

Maximum message id length, to allow for UUIDs/GUIDs.

UNKNOWN_MESSAGE_ID

Message id to use in a CALLERROR when the id of the offending message cannot be read.

Functions

encode_call

Serializes [2, id, action, payload].

encode_error

Serializes a CALLERROR ([4, …]) or, with result_error, a CALLRESULTERROR ([5, …]).

encode_result

Serializes [3, id, payload].

encode_send

Serializes [6, id, action, payload] (2.1 SEND).

error_from_frame

Converts a received CALLERROR into an RpcError.