1 // 2 // Copyright (C) 2015 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_PAYLOAD_GENERATOR_RAW_FILESYSTEM_H_ 18 #define UPDATE_ENGINE_PAYLOAD_GENERATOR_RAW_FILESYSTEM_H_ 19 20 // A simple filesystem interface implementation used for unknown filesystem 21 // format such as the kernel. 22 23 #include "update_engine/payload_generator/filesystem_interface.h" 24 25 #include <string> 26 #include <vector> 27 28 namespace chromeos_update_engine { 29 30 class RawFilesystem : public FilesystemInterface { 31 public: 32 static std::unique_ptr<RawFilesystem> Create( 33 const std::string& filename, uint64_t block_size, uint64_t block_count); 34 virtual ~RawFilesystem() = default; 35 36 // FilesystemInterface overrides. 37 size_t GetBlockSize() const override; 38 size_t GetBlockCount() const override; 39 40 // GetFiles will return only one file with all the blocks of the filesystem 41 // with the name passed during construction. 42 bool GetFiles(std::vector<File>* files) const override; 43 44 bool LoadSettings(brillo::KeyValueStore* store) const override { 45 return false; 46 } 47 48 private: 49 RawFilesystem() = default; 50 51 std::string filename_; 52 uint64_t block_count_; 53 uint64_t block_size_; 54 55 DISALLOW_COPY_AND_ASSIGN(RawFilesystem); 56 }; 57 58 } // namespace chromeos_update_engine 59 60 #endif // UPDATE_ENGINE_PAYLOAD_GENERATOR_RAW_FILESYSTEM_H_ 61
