package octez-libs

  1. Overview
  2. Docs
package octez-libs
Legend:
Page
Library
Module
Module type
Parameter
Class
Class type
Source

Source file level_config_rules.ml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2023 Nomadic Labs <contact@nomadic-labs.com>                *)
(*                                                                           *)
(* Permission is hereby granted, free of charge, to any person obtaining a   *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense,  *)
(* and/or sell copies of the Software, and to permit persons to whom the     *)
(* 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   *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING   *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER       *)
(* DEALINGS IN THE SOFTWARE.                                                 *)
(*                                                                           *)
(*****************************************************************************)

exception Incorrect_log_rules_syntax

exception Incorrect_log_rules_not_a_level

exception Incorrect_log_rules_missing_level

exception Incorrect_log_rules_missing_pattern

type rules = (string * Internal_event.Level.t) list

let find_log_rules default =
  match Sys.(getenv_opt "TEZOS_LOG", getenv_opt "LWT_LOG") with
  | Some rules, None -> ("environment variable TEZOS_LOG", Some rules)
  | None, Some rules -> ("environment variable LWT_LOG", Some rules)
  | None, None -> ("configuration file", default)
  | Some rules, Some _ ->
      Format.eprintf
        "@[<v 2>@{<warning>@{<title>Warning@}@} Both environment variables \
         TEZOS_LOG and LWT_LOG defined, using TEZOS_LOG.@]@\n\
         @." ;
      ("environment variable TEZOS_LOG", Some rules)

let parse_rules s =
  let rules = String.split_on_char ';' s in
  let arrow_regexp = Re.(compile (Perl.re "->")) in
  List.filter_map
    (fun rule ->
      if String.trim rule = "" then None
      else
        let pattern, level =
          match
            Re.(split_full arrow_regexp) rule
            |> List.map (function
                   | `Delim _ as s -> s
                   | `Text t -> `Text (String.trim t))
          with
          | [`Delim _; `Text _] | [`Text ""; `Delim _; `Text _] ->
              raise Incorrect_log_rules_missing_pattern
          | [`Text _; `Delim _] | [`Text _; `Delim _; `Text ""] ->
              raise Incorrect_log_rules_missing_level
          | [`Text "*"; `Delim _; `Text level] -> ("", level)
          | [`Text pattern; `Delim _; `Text level] -> (pattern, level)
          | [`Text level] -> ("", level)
          | _ -> raise Incorrect_log_rules_syntax
        in
        let level =
          match Internal_event.Level.of_string level with
          | None -> raise Incorrect_log_rules_not_a_level
          | Some lvl -> lvl
        in
        Some (pattern, level))
    rules
OCaml

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events OCaml Planet Jobs
Resources
Install OCaml Get Started Platform Tools Language Manual Standard Library API Books Exercises Papers OCaml Playground Logo
Policies
Carbon Footprint Governance Privacy Code of Conduct