MariaDBCommand.h

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/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *               2021, 2022 Daniel Flockert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef DATABASE_MARIADB_MARIADBCOMMAND
#define DATABASE_MARIADB_MARIADBCOMMAND
 
namespace database::mariadb {
    class MariaDBConnection;
} // namespace database::mariadb
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "utils/Timeval.h"
 
#include <functional> // IWYU pragma: export
#include <mysql.h>    // IWYU pragma: export
#include <string>     // IWYU pragma: export
 
// IWYU pragma: no_include "mysql.h"
 
using st_mysql = MYSQL;
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace database::mariadb {
 
    class MariaDBCommand {
    public:
        MariaDBCommand(const std::string& name, const std::function<void(const std::string&, unsigned int)>& onError);
        virtual ~MariaDBCommand() = default;
 
        const std::string& commandName();
 
        int commandStart(MYSQL* mysql, const utils::Timeval& currentTime);
 
        void setMariaDBConnection(MariaDBConnection* mariaDBConnection);
 
    private:
        virtual int commandStart() = 0;
 
    public:
        virtual int commandContinue(int status) = 0;
        virtual bool commandCompleted() = 0;
        virtual void commandError(const std::string& errorString, unsigned int errorNumber) = 0;
        virtual std::string commandInfo();
 
    private:
        std::string name;
 
        MariaDBConnection* mariaDBConnection = nullptr;
 
    protected:
        MYSQL* mysql = nullptr;
 
        const std::function<void(const std::string&, unsigned int)> onError;
 
    private:
        utils::Timeval startTime = 0;
    };
 
} // namespace database::mariadb
 
#endif // DATABASE_MARIADB_MARIADBCOMMAND