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/*
* Copyright (c) [2016-2023] 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_PROXY_LIB_H
#define SNAPPER_PROXY_LIB_H
#include "proxy.h"
#include <snapper/Snapper.h>
#include <snapper/Comparison.h>
class ProxySnapshotLib : public ProxySnapshot::Impl
{
public:
ProxySnapshotLib(Snapshots::iterator it)
: it(it)
{}
virtual SnapshotType getType() const override { return it->getType(); }
virtual unsigned int getNum() const override { return it->getNum(); }
virtual time_t getDate() const override { return it->getDate(); }
virtual uid_t getUid() const override { return it->getUid(); }
virtual bool isReadOnly() const override { return it->isReadOnly(); }
virtual void setReadOnly(bool read_only) override { it->setReadOnly(read_only); }
virtual unsigned int getPreNum() const override { return it->getPreNum(); }
virtual const string& getDescription() const override { return it->getDescription(); }
virtual const string& getCleanup() const override { return it->getCleanup(); }
virtual const map<string, string>& getUserdata() const override { return it->getUserdata(); }
virtual bool isCurrent() const override { return it->isCurrent(); }
virtual uint64_t getUsedSpace() const override
{
return it->getUsedSpace();
}
virtual string mountFilesystemSnapshot(bool user_request) const override
{
it->mountFilesystemSnapshot(user_request);
return it->snapshotDir();
}
virtual void umountFilesystemSnapshot(bool user_request) const override
{
it->umountFilesystemSnapshot(user_request);
}
Snapshots::iterator it;
};
class ProxySnapperLib;
class ProxySnapshotsLib : public ProxySnapshots
{
public:
virtual iterator getDefault() override;
virtual const_iterator getDefault() const override;
virtual iterator getActive() override;
virtual const_iterator getActive() const override;
ProxySnapshotsLib(ProxySnapperLib* backref);
ProxySnapperLib* backref;
};
class ProxySnapperLib : public ProxySnapper
{
public:
ProxySnapperLib(const string& config_name, const string& target_root)
: snapper(new Snapper(config_name, target_root)), proxy_snapshots(this)
{}
virtual const string& configName() const override { return snapper->configName(); }
virtual ProxyConfig getConfig() const override;
virtual void setConfig(const ProxyConfig& proxy_config) override;
virtual ProxySnapshots::const_iterator createSingleSnapshot(const SCD& scd) override;
virtual ProxySnapshots::const_iterator createSingleSnapshot(ProxySnapshots::const_iterator parent,
const SCD& scd) override;
virtual ProxySnapshots::const_iterator createSingleSnapshotOfDefault(const SCD& scd) override;
virtual ProxySnapshots::const_iterator createPreSnapshot(const SCD& scd) override;
virtual ProxySnapshots::const_iterator createPostSnapshot(ProxySnapshots::const_iterator pre,
const SCD& scd) override;
virtual void modifySnapshot(ProxySnapshots::iterator snapshot, const SMD& smd) override;
virtual void deleteSnapshots(vector<ProxySnapshots::iterator> snapshots, bool verbose) override;
virtual ProxyComparison createComparison(const ProxySnapshot& lhs, const ProxySnapshot& rhs,
bool mount) override;
virtual void syncFilesystem() const override { snapper->syncFilesystem(); }
virtual ProxySnapshots& getSnapshots() override { return proxy_snapshots; }
virtual const ProxySnapshots& getSnapshots() const override { return proxy_snapshots; }
virtual void setupQuota() override { snapper->setupQuota(); }
virtual void prepareQuota() const override { snapper->prepareQuota(); }
virtual QuotaData queryQuotaData() const override { return snapper->queryQuotaData(); }
virtual FreeSpaceData queryFreeSpaceData() const override { return snapper->queryFreeSpaceData(); }
virtual void calculateUsedSpace() const override { snapper->calculateUsedSpace(); }
std::unique_ptr<Snapper> snapper;
private:
ProxySnapshotsLib proxy_snapshots;
};
class ProxySnappersLib : public ProxySnappers::Impl
{
public:
ProxySnappersLib(const string& target_root)
: target_root(target_root)
{}
virtual void createConfig(const string& config_name, const string& subvolume,
const string& fstype, const string& template_name) override;
virtual void deleteConfig(const string& config_name) override;
virtual ProxySnapper* getSnapper(const string& config_name) override;
virtual map<string, ProxyConfig> getConfigs() const override;
virtual vector<string> debug() const override { return Snapper::debug(); }
private:
const string target_root;
list<std::unique_ptr<ProxySnapperLib>> proxy_snappers;
};
class ProxyComparisonLib : public ProxyComparison::Impl
{
public:
ProxyComparisonLib(ProxySnapperLib* proxy_snapper, const ProxySnapshot& lhs,
const ProxySnapshot& rhs, bool mount);
virtual const Files& getFiles() const override { return comparison->getFiles(); }
ProxySnapper* proxy_snapper;
private:
std::unique_ptr<Comparison> comparison;
};
const ProxySnapshotLib&
to_lib(const ProxySnapshot& proxy_snapshot);
#endif
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