HttpClient.h

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// Copyright 2024 libsese
//
// 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.
 
 
#pragma once
 
#include <sese/net/http/Request.h>
#include <sese/net/http/Response.h>
#include <sese/io/PeekableStream.h>
#include <sese/io/OutputStream.h>
 
#include <functional>
 
namespace sese::net::http {
class HttpClient {
public:
    using WriteCallback = std::function<int64_t(const void *, size_t)>;
    using ReadCallback = std::function<int64_t(void *, size_t)>;
    using Ptr = std::unique_ptr<HttpClient>;
 
    static Ptr create(const std::string &url, const std::string &proxy = "");
 
    ~HttpClient();
 
    bool request() const;
 
    int getLastError() const;
 
    std::string getLastErrorString() const;
 
    int64_t read(void *buf, size_t len) const;
 
    int64_t write(const void *buf, size_t len) const;
 
    Request::Ptr &getRequest() const;
 
    Response::Ptr &getResponse() const;
 
    void setReadData(io::PeekableStream *read_data, size_t expect_total) const;
 
    void setWriteData(io::OutputStream *write_data) const;
 
    void setReadCallback(const ReadCallback &read_callback, size_t expect_total) const;
 
    void setWriteCallback(const WriteCallback &write_callback) const;
 
private:
    HttpClient() = default;
 
    class Impl;
    class SSLImpl;
    std::unique_ptr<Impl> impl;
};
} // namespace sese::net::http