Backup.h

Go to the documentation of this file.

#ifndef __SQLITEXX_SQLITE_BACKUP_H__
#define __SQLITEXX_SQLITE_BACKUP_H__

#include "DBConnection.h"

#include <sqlite3.h>

#include <memory>

namespace sqlite
{
    class backup
    {
        public:
        backup(
            const dbconnection& source,
            const dbconnection& destination,
            const std::string& sourceName = "main",
            const std::string& destinationName = "main");

        bool step(const int pages = -1);

        int total_page_count() noexcept;

        int remaining_page_count() noexcept;

        sqlite3_backup* handle() noexcept;

        private:
        using backup_handle = std::unique_ptr<sqlite3_backup, decltype(&sqlite3_backup_finish)>;
        backup_handle m_handle;

        const dbconnection* m_destination = nullptr;

        backup(const backup& other) = delete;
        backup& operator=(backup& other) = delete;
    };

    void save(const dbconnection& source, const std::string& filename);
}

#endif