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/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <map>
#include <string>
#include <android-base/result.h>
#include "super_vbmeta_format.h"
namespace android {
namespace fs_mgr {
class SuperVBMetaBuilder {
public:
SuperVBMetaBuilder();
SuperVBMetaBuilder(const int super_vbmeta_fd,
const std::map<std::string, std::string>& images_path);
android::base::Result<void> Build();
android::base::Result<std::string> ReadVBMetaImageFromFile(const std::string& file);
// It adds the vbmeta image in super_vbmeta and returns the index
// (which has the same meaning with vbmeta_index of VBMetaDescriptor).
android::base::Result<uint8_t> AddVBMetaImage(const std::string& vbmeta_name);
void DeleteVBMetaImage(const std::string& vbmeta_name);
std::unique_ptr<VBMetaTable> ExportVBMetaTable();
android::base::Result<void> ExportVBMetaTableToFile();
android::base::Result<void> ExportVBMetaImageToFile(const uint8_t vbmeta_index,
const std::string& vbmeta_image);
private:
android::base::Result<uint8_t> GetEmptySlot();
int super_vbmeta_fd_;
VBMetaTable table_;
// Maps vbmeta image name to vbmeta image file path.
std::map<std::string, std::string> images_path_;
};
} // namespace fs_mgr
} // namespace android
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