55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <map>
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#include <string>
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#include <android-base/result.h>
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#include "super_vbmeta_format.h"
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namespace android {
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namespace fs_mgr {
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class SuperVBMetaBuilder {
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public:
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SuperVBMetaBuilder();
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SuperVBMetaBuilder(const int super_vbmeta_fd,
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const std::map<std::string, std::string>& images_path);
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android::base::Result<void> Build();
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android::base::Result<std::string> ReadVBMetaImageFromFile(const std::string& file);
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// It adds the vbmeta image in super_vbmeta and returns the index
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// (which has the same meaning with vbmeta_index of VBMetaDescriptor).
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android::base::Result<uint8_t> AddVBMetaImage(const std::string& vbmeta_name);
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void DeleteVBMetaImage(const std::string& vbmeta_name);
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std::unique_ptr<VBMetaTable> ExportVBMetaTable();
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android::base::Result<void> ExportVBMetaTableToFile();
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android::base::Result<void> ExportVBMetaImageToFile(const uint8_t vbmeta_index,
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const std::string& vbmeta_image);
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private:
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android::base::Result<uint8_t> GetEmptySlot();
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int super_vbmeta_fd_;
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VBMetaTable table_;
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// Maps vbmeta image name to vbmeta image file path.
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std::map<std::string, std::string> images_path_;
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};
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} // namespace fs_mgr
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} // namespace android
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