LoopMountDetails.h

/*
* If not stated otherwise in this file or this component's LICENSE file the
* following copyright and licenses apply:
*
* Copyright 2022 Sky UK
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
 * File: LoopMountDetails.h
 *
 */
#ifndef LOOPMOUNTDETAILS_H
#define LOOPMOUNTDETAILS_H
 
#include "MountProperties.h"
 
#include <RdkPluginBase.h>
 
#include <sys/types.h>
#include <string>
#include <list>
#include <memory>
 
class RefCountFile;
 
 
// -----------------------------------------------------------------------------
class LoopMountDetails
{
public:
    LoopMountDetails() = delete;
    LoopMountDetails(LoopMountDetails&) = delete;
    LoopMountDetails(LoopMountDetails&&) = delete;
    ~LoopMountDetails();
 
private:
    friend class Storage;
 
public:
    LoopMountDetails(const std::string& rootfsPath,
                     const LoopMountProperties& mount,
                     const uid_t& userId,
                     const gid_t& groupId,
                     const std::shared_ptr<DobbyRdkPluginUtils> &utils);
 
public:
    bool doLoopMount(const std::string& loopDevice);
 
    bool onPreCreate();
 
    bool setPermissions();
 
    bool remountTempDirectory();
 
    bool cleanupTempDirectory();
 
    bool removeNonPersistentImage();
 
private:
    std::unique_ptr<RefCountFile> getRefCountFile();
 
private:
    std::string mMountPointInsideContainer;
    std::string mTempMountPointOutsideContainer;
    LoopMountProperties mMount;
    uid_t mUserId;
    gid_t mGroupId;
 
    const std::shared_ptr<DobbyRdkPluginUtils> mUtils;
};
 
#endif // !defined(LOOPMOUNTDETAILS_H)