1 // 2 // Copyright (C) 2020 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_SNAPSHOT_EXTENT_WRITER_H_ 18 #define UPDATE_ENGINE_SNAPSHOT_EXTENT_WRITER_H_ 19 20 #include <cstdint> 21 #include <vector> 22 23 #include <libsnapshot/cow_writer.h> 24 25 #include "update_engine/payload_consumer/block_extent_writer.h" 26 #include "update_engine/update_metadata.pb.h" 27 28 namespace chromeos_update_engine { 29 30 class SnapshotExtentWriter final : public BlockExtentWriter { 31 public: SnapshotExtentWriter(android::snapshot::ICowWriter * cow_writer)32 explicit SnapshotExtentWriter(android::snapshot::ICowWriter* cow_writer) 33 : cow_writer_(cow_writer) {} 34 bool WriteExtent(const void* bytes, 35 const Extent& extent, 36 size_t block_size) override; 37 38 private: 39 android::snapshot::ICowWriter* cow_writer_; 40 }; 41 42 } // namespace chromeos_update_engine 43 44 #endif 45