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 <memory> 26 #include <string> 27 #include <vector> 28 29 namespace chromeos_update_engine { 30 31 class RawFilesystem : public FilesystemInterface { 32 public: 33 static std::unique_ptr<RawFilesystem> Create(const std::string& filename, 34 uint64_t block_size, 35 uint64_t block_count); 36 virtual ~RawFilesystem() = default; 37 38 // FilesystemInterface overrides. 39 size_t GetBlockSize() const override; 40 size_t GetBlockCount() const override; 41 42 // GetFiles will return only one file with all the blocks of the filesystem 43 // with the name passed during construction. 44 bool GetFiles(std::vector<File>* files) const override; 45 LoadSettings(brillo::KeyValueStore * store)46 bool LoadSettings(brillo::KeyValueStore* store) const override { 47 return false; 48 } 49 50 private: 51 RawFilesystem() = default; 52 53 std::string filename_; 54 uint64_t block_count_; 55 uint64_t block_size_; 56 57 DISALLOW_COPY_AND_ASSIGN(RawFilesystem); 58 }; 59 60 } // namespace chromeos_update_engine 61 62 #endif // UPDATE_ENGINE_PAYLOAD_GENERATOR_RAW_FILESYSTEM_H_ 63