/*****************************************************************************

 *

 * Project:  WMS Client Driver

 * Purpose:  Implementation of Dataset and RasterBand classes for WMS

 *           and other similar services.

 * Author:   Adam Nowacki, nowak@xpam.de

 *

 ******************************************************************************

 * Copyright (c) 2007, Adam Nowacki

 *

 * SPDX-License-Identifier: MIT

 ****************************************************************************/

#ifndef GDALHTTP_H

#define GDALHTTP_H

#include "cpl_port.h"

#include "cpl_http.h"

struct WMSHTTPRequest

{

    WMSHTTPRequest() = default;

    ~WMSHTTPRequest();

    WMSHTTPRequest(const WMSHTTPRequest &) = delete;

    WMSHTTPRequest &operator=(const WMSHTTPRequest &) = delete;

    WMSHTTPRequest(WMSHTTPRequest &&) = delete;

    WMSHTTPRequest &operator=(WMSHTTPRequest &&) = delete;

    /* Input */

    CPLString URL{};

    // Not owned, do not release

    const char *const *options{nullptr};

    CPLString Range{};

    /* Output */

    CPLString ContentType{};

    CPLString Error{};

    int nStatus =

        0; /* 200 = success, 404 = not found, 0 = no response / error */

    GByte *pabyData{nullptr};

    size_t nDataLen{};

    size_t nDataAlloc{};

    /* curl internal stuff */

    CURL *m_curl_handle{nullptr};

    struct curl_slist *m_headers{nullptr};

    // Which tile is being requested

    int x{}, y{};

    // Space for error message, doesn't seem to be used by the multi-request

    // interface

    std::vector<char> m_curl_error{};

};

// Not public, only for use within WMS

void WMSHTTPInitializeRequest(WMSHTTPRequest *psRequest);

CPLErr WMSHTTPFetchMulti(WMSHTTPRequest *psRequest, int nRequestCount = 1);

#endif /*  GDALHTTP_H */