(*****************************************************************************)
(* Open Source License                                                       *)
(* Copyright (c) 2018 Nomadic Labs, <contact@nomadic-labs.com>               *)
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(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
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(* Software is furnished to do so, subject to the following conditions:      *)
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(* in all copies or substantial portions of the Software.                    *)
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(* DEALINGS IN THE SOFTWARE.                                                 *)
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(*****************************************************************************)

let rpc_directory () =
  let dir = Tezos_rpc.Directory.empty in
  Tezos_rpc.Directory.gen_register dir Stat_services.S.gc (fun () () () ->
      Tezos_rpc.Answer.return @@ Gc.stat ())
  |> fun dir ->
  Tezos_rpc.Directory.gen_register dir Stat_services.S.memory (fun () () () ->
      let open Lwt_syntax in
      let* r = Sys_info.memory_stats () in
      match r with
      | Ok stats -> Tezos_rpc.Answer.return stats
      | Error err -> Tezos_rpc.Answer.fail [err])