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59 lines
1.9 KiB
59 lines
1.9 KiB
//
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// Copyright (C) 2018 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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#ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_VERITY_WRITER_INTERFACE_H_
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#define UPDATE_ENGINE_PAYLOAD_CONSUMER_VERITY_WRITER_INTERFACE_H_
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#include <cstdint>
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#include <memory>
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#include <base/macros.h>
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#include "payload_consumer/file_descriptor.h"
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#include "update_engine/payload_consumer/install_plan.h"
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namespace chromeos_update_engine {
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class VerityWriterInterface {
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public:
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virtual ~VerityWriterInterface() = default;
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virtual bool Init(const InstallPlan::Partition& partition) = 0;
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// Update partition data at [offset : offset + size) stored in |buffer|.
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// Data not in |hash_tree_data_extent| or |fec_data_extent| is ignored.
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// Will write verity data to the target partition once all the necessary
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// blocks has passed.
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virtual bool Update(uint64_t offset, const uint8_t* buffer, size_t size) = 0;
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// Write hash tree && FEC data to underlying fd, if they are present
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virtual bool Finalize(FileDescriptorPtr read_fd,
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FileDescriptorPtr write_fd) = 0;
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protected:
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VerityWriterInterface() = default;
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private:
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DISALLOW_COPY_AND_ASSIGN(VerityWriterInterface);
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};
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namespace verity_writer {
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std::unique_ptr<VerityWriterInterface> CreateVerityWriter();
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}
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_PAYLOAD_CONSUMER_VERITY_WRITER_INTERFACE_H_
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