1 /* 2 * Copyright (c) 2021-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_STORAGE_DAEMON_VOLUME_MANAGER_H 17 #define OHOS_STORAGE_DAEMON_VOLUME_MANAGER_H 18 19 #include "storage_rl_map.h" 20 #include "volume/volume_info.h" 21 22 namespace OHOS { 23 namespace StorageDaemon { 24 class VolumeManager final { 25 public: 26 virtual ~VolumeManager() = default; 27 static VolumeManager &Instance(); 28 29 std::string CreateVolume(const std::string diskId, dev_t device, bool isUserdata); 30 int32_t DestroyVolume(const std::string volId); 31 32 int32_t Check(const std::string volId); 33 int32_t Mount(const std::string volId, uint32_t flags); 34 int32_t UMount(const std::string volId); 35 int32_t MountUsbFuse(std::string volumeId, std::string &fsUuid, int &fuseFd); 36 int32_t TryToFix(const std::string volId, uint32_t flags); 37 int32_t Format(const std::string volId, const std::string fsType); 38 int32_t SetVolumeDescription(const std::string volId, const std::string description); 39 int32_t QueryUsbIsInUse(const std::string &diskPath, bool &isInUse); 40 41 private: 42 VolumeManager() = default; 43 DISALLOW_COPY_AND_MOVE(VolumeManager); 44 45 bool IsMtpDeviceInUse(const std::string &diskPath); 46 StorageService::StorageRlMap<std::string, std::shared_ptr<VolumeInfo>> volumes_; 47 48 std::shared_ptr<VolumeInfo> GetVolume(const std::string volId); 49 int32_t CreateMountUsbFusePath(std::string fsUuid); 50 int32_t ReadVolumeUuid(std::string volumeId, std::string &fsUuid); 51 std::string mountUsbFusePath_; 52 }; 53 } // STORAGE_DAEMON 54 } // OHOS 55 56 #endif // OHOS_STORAGE_DAEMON_VOLUME_MANAGER_H