ocaml/otherlibs/labltk/frx/frx_rpc.ml

56 lines
2.0 KiB
OCaml

(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of OCaml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the OCaml source tree. *)
(* *)
(***********************************************************************)
(* Some notion of RPC *)
open Camltk
open Protocol
(* A RPC is just a callback with a particular name, plus a Tcl procedure *)
let register name f =
let id = new_function_id() in
Hashtbl.add callback_naming_table id f;
(* For rpc_info *)
Textvariable.set (Textvariable.coerce ("camltkrpc("^name^")"))
(string_of_cbid id);
tkCommand [| TkToken "proc"; TkToken name; TkToken "args";
TkToken ("camlcb "^(string_of_cbid id)^" $args") |]
(* RPC *)
let invoke interp f args =
tkEval [|
TkToken "send";
TkToken interp;
TkToken f;
TkTokenList (List.map (fun s -> TkToken s) args)
|]
let async_invoke interp f args =
tkCommand [|
TkToken "send";
TkToken "-async";
TkToken interp;
TkToken f;
TkTokenList (List.map (fun s -> TkToken s) args)
|]
let rpc_info interp =
tkEval [|
TkToken "send";
TkToken interp;
TkToken "array";
TkToken "names";
TkToken "camltkrpc"
|]