Struct InboundFetch 

struct InboundFetch {
    message: Fetch,
    state: FetchStateMachine,
    unjoinable: Option<u64>,
}

A fetch the peer opened with FETCH.

Fields

message: Fetch

The message as it arrived, which is what the application answers from.

state: FetchStateMachine

How far the fetch it opened has got.

unjoinable: Option<u64>

The subscription a Joining Fetch named and this session had none live for when the FETCH arrived, which is when the rule about it is read.