1// Copyright 2015 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef WEBSERVER_LIBWEBSERV_REQUEST_UTILS_H_
16#define WEBSERVER_LIBWEBSERV_REQUEST_UTILS_H_
17
18#include <memory>
19#include <vector>
20
21#include <base/callback_forward.h>
22#include <brillo/errors/error.h>
23#include <libwebserv/export.h>
24
25namespace libwebserv {
26
27class Request;
28class Response;
29
30using GetRequestDataSuccessCallback =
31    base::Callback<void(std::unique_ptr<Request> request,
32                        std::unique_ptr<Response> response,
33                        std::vector<uint8_t> data)>;
34
35using GetRequestDataErrorCallback =
36    base::Callback<void(std::unique_ptr<Request> request,
37                        std::unique_ptr<Response> response,
38                        const brillo::Error* error)>;
39
40// Reads the request data from |request| asynchronously and returns the data
41// by calling |success_callback|. If an error occurred, |error_callback| is
42// invoked with the error information passed into |error| parameter.
43// The function takes ownership of the request and response objects for the
44// duration of operation and returns them back via the callbacks.
45LIBWEBSERV_EXPORT void GetRequestData(
46    std::unique_ptr<Request> request,
47    std::unique_ptr<Response> response,
48    const GetRequestDataSuccessCallback& success_callback,
49    const GetRequestDataErrorCallback& error_callback);
50
51}  // namespace libwebserv
52
53#endif  // WEBSERVER_LIBWEBSERV_REQUEST_UTILS_H_
54