Source file error.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
type kind =
  [ `Connection
  | `Stream
  ]

type common =
  [ `Exn of exn
  | `Protocol_error of H2.Error_code.t * string
  | `Msg of string
  ]

type client =
  [ `Invalid_response_body_length of H2.Status.t * Headers.t
  | `Malformed_response of string
  | `Connect_error of string
  | common
  ]

type server =
  [ `Bad_gateway
  | `Bad_request
  | `Internal_server_error
  | common
  ]

type t =
  [ common
  | client
  | server
  ]

let to_string = function
  | `Exn exn ->
    Printexc.to_string exn
  | `Invalid_response_body_length (status, headers) ->
    Format.asprintf
      "Invalid Response body length. Status: %a, Headers: %a"
      H2.Status.pp_hum
      status
      Headers.pp_hum
      headers
  | `Malformed_response msg ->
    Format.asprintf "Malformed Response: %s" msg
  | `Protocol_error (code, msg) ->
    Format.asprintf
      "Protocol Error (%a)%s%s"
      H2.Error_code.pp_hum
      code
      (if msg = "" then "" else ": ")
      msg
  | `Connect_error msg ->
    Format.asprintf "Connect Error: %s" msg
  | `Bad_gateway ->
    "Bad Gateway"
  | `Bad_request ->
    "Bad Request"
  | `Internal_server_error ->
    "Internal Server Error"
  | `Msg string ->
    string

let pp_hum formatter t = Format.fprintf formatter "%s" (to_string t)