mte/unikernel/duniverse/dune_/otherlibs/dune-rpc/private/menu.ml
2025-11-11 02:07:51 +01:00

47 lines
1.3 KiB
OCaml

open Import
open Types
(* This list of methods and generations is exactly the list of existing methods
as of commit [3cd240e], which the initial versioning implementation was based
on. *)
let compatibility_menu =
Method.Name.Map.of_list_exn
[ "ping", 1
; "diagnostics", 1
; "shutdown", 1
; "subscribe", 1
; "unsubscribe", 1
; "build", 1
; "status", 1
; "notify/abort", 1
; "notify/diagnostic", 1
; "notify/log", 1
; "notify/progress", 1
]
;;
type t = Method.Version.t Method.Name.Map.t
let default = compatibility_menu
let find = Method.Name.Map.find
let select_common ~local_versions ~remote_versions =
let selected_versions =
List.filter_map remote_versions ~f:(fun (method_, remote_versions) ->
let remote_versions = Method.Version.Set.of_list remote_versions in
let open Option.O in
let* local_versions = Method.Name.Map.find local_versions method_ in
let+ greatest_common_version =
Method.Version.Set.max_elt
(Method.Version.Set.inter remote_versions local_versions)
in
method_, greatest_common_version)
in
match selected_versions with
| [] -> None
| _ :: _ -> Some (Method.Name.Map.of_list_exn selected_versions)
;;
let of_list = Method.Name.Map.of_list
let to_list = Method.Name.Map.to_list
let to_dyn = Method.Name.Map.to_dyn Int.to_dyn