/* XMRig
 * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
 * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
 * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
 * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
 * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
 * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2014-2019 heapwolf    <https://github.com/heapwolf>
 * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
 * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef XMRIG_HTTPCONTEXT_H
#define XMRIG_HTTPCONTEXT_H


using http_parser           = struct http_parser;
using http_parser_settings  = struct http_parser_settings;
using uv_connect_t          = struct uv_connect_s;
using uv_handle_t           = struct uv_handle_s;
using uv_stream_t           = struct uv_stream_s;
using uv_tcp_t              = struct uv_tcp_s;


#include "base/net/http/HttpData.h"
#include "base/tools/Object.h"


#include <memory>


namespace xmrig {


class IHttpListener;


class HttpContext : public HttpData
{
public:
    XMRIG_DISABLE_COPY_MOVE_DEFAULT(HttpContext)

    HttpContext(int parser_type, const std::weak_ptr<IHttpListener> &listener);
    virtual ~HttpContext();

    inline uv_stream_t *stream() const { return reinterpret_cast<uv_stream_t *>(m_tcp); }
    inline uv_handle_t *handle() const { return reinterpret_cast<uv_handle_t *>(m_tcp); }

    size_t parse(const char *data, size_t size);
    std::string ip() const;
    uint64_t elapsed() const;
    void close(int status = 0);

    static HttpContext *get(uint64_t id);
    static void closeAll();

protected:
    uv_tcp_t *m_tcp;

private:
    inline IHttpListener *httpListener() const { return m_listener.expired() ? nullptr : m_listener.lock().get(); }

    static int onHeaderField(http_parser *parser, const char *at, size_t length);
    static int onHeaderValue(http_parser *parser, const char *at, size_t length);
    static void attach(http_parser_settings *settings);

    void setHeader();

    bool m_wasHeaderValue           = false;
    const uint64_t m_timestamp;
    http_parser *m_parser;
    std::string m_lastHeaderField;
    std::string m_lastHeaderValue;
    std::weak_ptr<IHttpListener> m_listener;
};


} // namespace xmrig


#endif // XMRIG_HTTPCONTEXT_H

