|  | /* | 
|  | * Copyright (C) 2023 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #pragma once | 
|  |  | 
|  | #include <set> | 
|  | #include <string> | 
|  |  | 
|  | #include "filesystem.h" | 
|  |  | 
|  | class ConnectedDevicesStorage { | 
|  | public: | 
|  | ConnectedDevicesStorage(); | 
|  |  | 
|  | bool Exists() const; | 
|  | void WriteDevices(const FileLock&, const std::set<std::string>& devices); | 
|  | std::set<std::string> ReadDevices(const FileLock&); | 
|  | void Clear(const FileLock&); | 
|  | FileLock Lock() const; | 
|  |  | 
|  | private: | 
|  | std::string home_fastboot_path_; | 
|  | std::string devices_path_; | 
|  | std::string devices_lock_path_; | 
|  | }; |