grpc message flow for gateway exec

gistfile1.txt

@startuml
participant Client as C
participant Server as S

C -> S : NewContainerRequest
C -> S : InitMessage
S -> C : StartedMessage

group Process IO
  loop
    C -> S : FdMessage [Stdin]
  end

  loop
    S -> C: FdMessage [Stdout]
  end

  loop
    S -> C: FdMessage [Stderr]
  end

  loop
    C -> S: ResizeMessage
  end
end

S -> C: ExitMessage

group Finish Output
  loop
    S -> C: FdMessage [Stdout]
  end


  loop
    S -> C: FdMessage [Stderr]
  end

  C -> S: FdMessage [Stdin EOF]
  S -> C: FdMessage [Stdout EOF]
  S -> C: FdMessage [Stderr EOF]
end

S -> C: DoneMessage

C -> S: ReleaseContainer
@enduml