1// Introduced for KIP-590, EnvelopeRequest is what brokers use to wrap an
2// incoming request before forwarding it to another broker.
3EnvelopeRequest => key 58, max version 0, flexible v0+, admin
4 // The embedded request header and data.
5 RequestData: bytes
6 // Value of the initial client principal when the request is redirected by a broker.
7 RequestPrincipal: nullable-bytes
8 // The original client's address in bytes.
9 ClientHostAddress: bytes
10
11EnvelopeResponse =>
12 // The embedded response header and data.
13 ResponseData: nullable-bytes
14 // The error code, or 0 if there was no error.
15 //
16 // NOT_CONTROLLER is returned when the request is not sent to the controller.
17 //
18 // CLUSTER_AUTHORIZATION_FAILED is returned if inter-broker authorization failed.
19 ErrorCode: int16
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