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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_DBUS_H
#define SNAPPER_PROXY_DBUS_H
#include "dbus/DBusMessage.h"
#include "dbus/DBusConnection.h"
#include "proxy.h"
class ProxySnapshotDbus;
class ProxySnapshotsDbus;
class ProxySnapperDbus;
class ProxySnappersDbus;
/**
* Concrete class of ProxySnapshot for DBus communication. Store all snapshot
* data in the client to avoid numerous DBus queries.
*/
class ProxySnapshotDbus : public ProxySnapshot::Impl
{
public:
ProxySnapshotDbus(ProxySnapshotsDbus* backref, SnapshotType type, unsigned int num,
time_t date, uid_t uid, unsigned int pre_num, const string& description,
const string& cleanup, const map<string, string>& userdata);
ProxySnapshotDbus(ProxySnapshotsDbus* backref, unsigned int num);
virtual SnapshotType getType() const override { return type; }
virtual unsigned int getNum() const override { return num; }
virtual time_t getDate() const override { return date; }
virtual uid_t getUid() const override { return uid; }
virtual bool isReadOnly() const override;
virtual void setReadOnly(bool read_only) override;
virtual unsigned int getPreNum() const override { return pre_num; }
virtual const string& getDescription() const override { return description; }
virtual const string& getCleanup() const override { return cleanup; }
virtual const map<string, string>& getUserdata() const override { return userdata; }
virtual bool isCurrent() const override { return num == 0; }
virtual uint64_t getUsedSpace() const override;
virtual string mountFilesystemSnapshot(bool user_request) const override;
virtual void umountFilesystemSnapshot(bool user_request) const override;
DBus::Connection& conn() const;
const string& configName() const;
private:
ProxySnapshotsDbus* backref;
SnapshotType type;
unsigned int num;
time_t date;
uid_t uid;
unsigned int pre_num;
string description;
string cleanup;
map<string, string> userdata;
};
class ProxySnapshotsDbus : public ProxySnapshots
{
public:
ProxySnapshotsDbus(ProxySnapperDbus* backref);
virtual iterator getDefault() override;
virtual const_iterator getDefault() const override;
virtual iterator getActive() override;
virtual const_iterator getActive() const override;
DBus::Connection& conn() const;
const string& configName() const;
private:
ProxySnapperDbus* backref;
};
class ProxySnapperDbus : public ProxySnapper
{
public:
ProxySnapperDbus(ProxySnappersDbus* backref, const string& config_name)
: backref(backref), config_name(config_name), proxy_snapshots(this)
{}
virtual const string& configName() const override { return config_name; }
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;
virtual ProxySnapshots& getSnapshots() override { return proxy_snapshots; }
virtual const ProxySnapshots& getSnapshots() const override { return proxy_snapshots; }
virtual void setupQuota() override;
virtual void prepareQuota() const override;
virtual QuotaData queryQuotaData() const override;
virtual FreeSpaceData queryFreeSpaceData() const override;
virtual void calculateUsedSpace() const override;
DBus::Connection& conn() const;
private:
ProxySnappersDbus* backref;
public:
string config_name;
ProxySnapshotsDbus proxy_snapshots;
};
class ProxySnappersDbus : public ProxySnappers::Impl
{
public:
ProxySnappersDbus()
: conn(DBUS_BUS_SYSTEM)
{}
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;
mutable DBus::Connection conn;
list<std::unique_ptr<ProxySnapperDbus>> proxy_snappers;
};
class ProxyComparisonDbus : public ProxyComparison::Impl
{
public:
ProxyComparisonDbus(ProxySnapperDbus* backref, const ProxySnapshot& lhs,
const ProxySnapshot& rhs, bool mount);
~ProxyComparisonDbus();
virtual const Files& getFiles() const override { return files; }
DBus::Connection& conn() const;
const string& configName() const;
private:
ProxySnapperDbus* backref;
const ProxySnapshot& lhs;
const ProxySnapshot& rhs;
FilePaths file_paths;
Files files;
};
#endif
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