Libcurl i windows, plik H

#ifndef AOU_CURLMANAGER_H
#define AOU_CURLMANAGER_H

#include <System/Exceptions.h>
#include <curl/curl.h>
#include <map>
#include <string>


namespace aou {
    namespace exc {
        //--------------------------------------------------------------------
        class CURLInitFailed : public aou::exc::Exception{
        public:
            CURLInitFailed();
            virtual ~CURLInitFailed() = default;
        };
        //--------------------------------------------------------------------
        class CURLDownloadFileFailed : public aou::exc::Exception {
        public:
            CURLDownloadFileFailed(const std::string& desc);
            virtual ~CURLDownloadFileFailed() = default;
        };
        //--------------------------------------------------------------------
        class CURLUploadFileFailed : public aou::exc::Exception {
        public:
            CURLUploadFileFailed(const std::string& exc);
            virtual ~CURLUploadFileFailed() = default;
        };
        //--------------------------------------------------------------------
    }
    enum CURLOperationType {
        NONE,
        DOWNLOAD_FILE,
        UPLOAD_FILE,
    };
    //--------------------------------------------------------------------
    struct FTPServer {
        std::string url;
        std::string login;
        std::string pass;
    };
    //--------------------------------------------------------------------
    class CURLManager {
    private:
        CURLManager();
    public:
        virtual ~CURLManager();

        static CURLManager& GetInstance();

        virtual void DownloadFileFromHTTP(const std::string& url, const std::string& to_file);
        virtual void UploadFileToFTP(const std::string& ftp_server_id, const std::string& directory_in_ftp_server, const std::string& from_file);
        virtual void AddFTPServer(const std::string & ftp_server_id, const FTPServer& ftp_server);
        virtual void EraseFTPServer(const std::string& ftp_server_id);
        virtual const FTPServer& GetFTPServer(const std::string& ftp_server_id);


        inline CURL* GetCURLState() const;
        inline CURLOperationType GetLastOperationType() const {
            return last_operation_type;
        }
    private:
        virtual void ResetCURLOptionsIfNessesaryAndUpdateLastOperationTypeEnum(CURLOperationType this_operation_type);

        //curl functions
        static size_t curlfunction_write_data(void *ptr, size_t size, size_t nmemb, FILE *stream);
        static size_t curlfunction_read_data(void *ptr, size_t size, size_t nmemb, FILE *stream);
        /*
         * Member data
         */
        CURL* curl_state = nullptr;
        CURLOperationType last_operation_type = NONE;;
        std::map<std::string, FTPServer> ftp_servers;
    };
    //--------------------------------------------------------------------
}

#endif /* AOU_CURLMANAGER_H */