Zfs.h

/*
 * Copyright (c) [2019] SUSE LLC
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * 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, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */


#ifndef SNAPPER_ZFS_H
#define SNAPPER_ZFS_H


#include "snapper/Filesystem.h"
#include "snapper/ZfsUtils.h"


namespace snapper
{
    using namespace ZfsUtils;

    class Zfs : public Filesystem
    {
    public:
        static Filesystem* create(const string& fstype, const string& subvolume, const string& root_prefix);

        Zfs(const string& subvolume, const string& root_prefix);

        virtual string fstype() const
        {
            return "zfs";
        }

        virtual string snapshotDir(unsigned int num) const;

        virtual void createConfig() const;
        virtual void deleteConfig() const;

        virtual SDir openInfosDir() const;

        virtual SDir openSnapshotDir(unsigned int num) const;

        virtual void mountSnapshot(unsigned int num) const;
        virtual void umountSnapshot(unsigned int num) const;
        virtual bool isSnapshotMounted(unsigned int num) const;

        virtual void createSnapshot(unsigned int num, unsigned int num_parent, bool read_only, bool quota, bool empty) const;
        virtual void deleteSnapshot(unsigned int num) const;
        virtual bool checkSnapshot(unsigned int num) const;

        virtual bool isSnapshotReadOnly(unsigned int num) const;

        virtual void sync() const;

    private:
        string zfs_volume_name;
        string zfs_snapshot_volume_name;
    };
}

#endif