57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//
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// Copyright (C) 2023 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 <memory>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <android-base/unique_fd.h>
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#include <liblp/liblp.h>
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#include <liblp/super_layout_builder.h>
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#include "util.h"
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class SuperFlashHelper final {
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public:
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explicit SuperFlashHelper(const ImageSource& source);
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bool Open(android::base::borrowed_fd fd);
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bool IncludeInSuper(const std::string& partition);
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bool AddPartition(const std::string& partition, const std::string& image_name, bool optional);
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// Note: the SparsePtr if non-null should not outlive SuperFlashHelper, since
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// it depends on open fds and data pointers.
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SparsePtr GetSparseLayout();
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bool WillFlash(const std::string& partition) const {
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return will_flash_.find(partition) != will_flash_.end();
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}
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private:
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const ImageSource& source_;
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android::fs_mgr::SuperLayoutBuilder builder_;
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std::unique_ptr<android::fs_mgr::LpMetadata> base_metadata_;
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std::vector<android::fs_mgr::SuperImageExtent> extents_;
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// Cache open image fds. This keeps them alive while we flash the sparse
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// file.
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std::unordered_map<std::string, android::base::unique_fd> image_fds_;
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std::unordered_set<std::string> will_flash_;
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};
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