1 /* 2 * Copyright (C) 2025 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 #pragma once 18 19 #include <android-base/result.h> 20 #include <libfiemap/image_manager.h> 21 22 #include <memory> 23 #include <span> 24 #include <string> 25 #include <vector> 26 27 #include "apex_file.h" 28 29 namespace android::apex { 30 31 class ApexImageManager { 32 public: 33 ~ApexImageManager() = default; 34 35 // Pin APEX files in /data/apex/images and save their metadata(e.g. FIEMAP 36 // extents) in /metadata/apex/images so that they are available before /data 37 // partition is mounted. 38 // Returns names which correspond to pinned APEX files. 39 base::Result<std::vector<std::string>> PinApexFiles( 40 std::span<const ApexFile> apex_files); 41 base::Result<void> DeleteImage(const std::string& image); 42 std::vector<std::string> GetAllImages(); 43 44 static std::unique_ptr<ApexImageManager> Create( 45 const std::string& metadata_images_dir, 46 const std::string& data_images_dir); 47 48 private: 49 ApexImageManager(const std::string& metadata_dir, 50 const std::string& data_dir); 51 52 std::string metadata_dir_; 53 std::string data_dir_; 54 std::unique_ptr<fiemap::IImageManager> fsmgr_; 55 }; 56 57 void InitializeImageManager(ApexImageManager* image_manager); 58 ApexImageManager* GetImageManager(); 59 60 } // namespace android::apex