title Setup flow R5

participant RMR
participant E2Setup\nNotificationHandler as H
participant Associaton\nManager as AM
participant E2tInnstances\nManager as IM
participant Rnib\nDataService as RNIB
participant Routing\nManager as RM
participant RanStateChange\nManager as SCM

RMR->H: Setup request
note over H: parsr request
H->IM: GetE2tInstance
H->RNIB: GetNodeb
alt new RAN
    note over H: Build UNKNOWN_CONNECTION_STATUS nodeb\nSet Gnb functions
    H->RNIB: Save nodeb
    H->SCM: ChangeState(nodeb, CONNECTED)
else existing RAN
    note over H: Set Gnb functions
end
H->AM: AssociateRan
AM->RM: AssociateRanToE2TInstance
alt RM error
    RM->AM: error
    AM->SCM: ChangeState(nodeb, DISCONNECTED)
else RM success
    RM->AM: ok
    AM->SCM: ChangeState(nodeb, CONNECTED)
    note over AM: Set AssociatedE2TInstanceAddress
    AM->RNIB: UpdateNodeb
end
AM->IM: AddRansToInstance
note over H: Build response
H->RMR: Setup response