loser_mode.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2022 Nomadic Labs, <contact@nomadic-labs.com> *)
(* *)
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(* copy of this software and associated documentation files (the "Software"),*)
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(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
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(* DEALINGS IN THE SOFTWARE. *)
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(*****************************************************************************)
type failure = {level : int; message_index : int; message_tick : int64}
let failure_encoding =
let open Data_encoding in
conv
(fun {level; message_index; message_tick} ->
(level, message_index, message_tick))
(fun (level, message_index, message_tick) ->
{level; message_index; message_tick})
(obj3
(req "level" int31)
(req "message_index" int31)
(req "message_tick" int64))
let compare_failure {level; message_index; message_tick} f2 =
let open Compare.Int in
match compare level f2.level with
| 0 -> (
match compare message_index f2.message_index with
| 0 -> Int64.compare message_tick f2.message_tick
| n -> n)
| n -> n
type t = failure list
let encoding = Data_encoding.list failure_encoding
let no_failures = []
let make s =
let tokens = String.split_on_char ' ' s in
let rec chop = function
| [] | [""] -> []
| level :: message_index :: message_tick :: rest ->
{
level = int_of_string level;
message_index = int_of_string message_index;
message_tick = Int64.of_string message_tick;
}
:: chop rest
| _ -> raise Not_found
in
try Some (chop tokens |> List.sort compare_failure) with _ -> None
let is_failure failures ~level ~message_index =
List.filter_map
(fun f ->
if Compare.Int.(f.level = level && f.message_index = message_index) then
Some f.message_tick
else None)
failures