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(*
Copyright © 2011 MLstate
This file is part of OPA.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*)
(*
@author Laurent Le Brun
**)
open Requestdef
let version = string_of_int BuildInfos.git_version_counter
let crlf = "\r\n"
let double_crlf = crlf ^ crlf
(** {6 Request} *)
let content_length req =
match RequestHeader.get_string `Content_Length req.request_header with
| None -> 0
| Some v -> int_of_string v
let string_of_request_line r =
Printf.sprintf "%s %s %s%s" (string_of_method r._method) r.request_uri r.http_version crlf
let string_of_request r =
Printf.sprintf "%s%s%s%s"
(string_of_request_line r.request_line)
(RequestHeader.to_string string_of_request_header r.request_header)
crlf
(String.sub r.request_message_body 0 (content_length r))
(* for debug *)
let print_request_header req =
match req with
| Some req -> RequestHeader.iter (
fun _k _v ->
Logger.log ~color:`cyan "%s" (RequestHeader.to_string string_of_request_header req.request_header)
) req.request_header
| _ -> ()
(** {6 Response} *)
type status_line =
{ status_http_version : string
; status : status }
(* e.g. "HTTP/0.9 302 Found" *)
let string_of_status_line sl =
let code = status_code sl.status in
let phrase = reason_phrase code in
Printf.sprintf "%s %d %s%s" sl.status_http_version code phrase crlf
type res_body =
| Result of string
| PartialResult of int * string * (int -> res_body)
| AuthenticationRequest of res_body
(* | AuthenticationRequest of string (\* (string option) * requestDescription * (unit -> ret) *\) *)
type response =
{ status_line : status_line
; response_header : ResponseHeader.header
; response_message_body : res_body }
let reponse_content_length req =
match ResponseHeader.get_string `Content_Length req.response_header with
| None -> 0
| Some v -> int_of_string v
let rec string_of_body body =
match body with
| Result s -> s
| PartialResult (_, s, _) -> Printf.sprintf "partial\n%s" s
| AuthenticationRequest body ->
let s = string_of_body body in
Printf.sprintf "authentification\n%s" s
let string_of_response_header r =
Printf.sprintf "%s%s%s"
(string_of_status_line r.status_line)
(ResponseHeader.to_string string_of_response_header r.response_header)
crlf
let string_of_response ?(body_limit=1024) r =
Printf.sprintf "%s%s"
(string_of_response_header r)
(String.sub (string_of_body r.response_message_body) 0 (min (reponse_content_length r) body_limit))
(* let string_of_response r = *)
(* Printf.sprintf "%s%s%s%s" *)
(* (string_of_status_line r.status_line) *)
(* (ResponseHeader.to_string string_of_response_header r.response_header) *)
(* crlf *)
(* (r.response_message_body) *)
let parse_response response =
let str = FBuffer.contents response in
try
let pos, req = Request.parse_request_response str in
req, FBuffer.sub response pos (FBuffer.length response - pos)
with
| Trx_runtime.SyntaxError (loc, err) ->
failwith (Printf.sprintf "Failed to parse http response: %s --> %s" str (Trx_runtime.show_error str loc err))
let print_response_header resp =
ResponseHeader.iter (
fun _k _v ->
Logger.log ~color:`green "%s" (ResponseHeader.to_string (
fun k -> Requestdef.string_of_response_header k) resp.response_header
)
) resp.response_header
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