1 /*
2  * Copyright (c) 2021 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_INFO_H
17 #define OHOS_STORAGE_DAEMON_VOLUME_INFO_H
18 
19 #include <string>
20 #include <sys/types.h>
21 
22 namespace OHOS {
23 namespace StorageDaemon {
24 enum VolumeState {
25     UNMOUNTED,
26     CHECKING,
27     MOUNTED,
28     EJECTING,
29     REMOVED,
30     BADREMOVABLE,
31 };
32 
33 enum VolumeType {
34     EXTERNAL,
35 };
36 
37 class VolumeInfo {
38 public:
39     VolumeInfo() = default;
40     virtual ~VolumeInfo() = default;
41 
42     int32_t Create(const std::string volId, const std::string diskId, dev_t device);
43     int32_t Destroy();
44     int32_t Mount(uint32_t flags);
45     int32_t UMount(bool force = false);
46     int32_t Check();
47     int32_t Format(const std::string type);
48     int32_t SetVolumeDescription(const std::string description);
49 
50     std::string GetVolumeId();
51     int32_t GetVolumeType();
52     std::string GetDiskId();
53     int32_t GetState();
54 
55 protected:
56     virtual int32_t DoCreate(dev_t dev) = 0;
57     virtual int32_t DoDestroy() = 0;
58     virtual int32_t DoMount(uint32_t mountFlags) = 0;
59     virtual int32_t DoUMount(bool force) = 0;
60     virtual int32_t DoCheck() = 0;
61     virtual int32_t DoFormat(std::string type) = 0;
62     virtual int32_t DoSetVolDesc(std::string description) = 0;
63 
64 private:
65     std::string id_;
66     std::string diskId_;
67     VolumeType type_;
68     VolumeState mountState_;
69     uint32_t mountFlags_;
70     int32_t userIdOwner_;
71 };
72 } // STORAGE_DAEMON
73 } // OHOS
74 
75 #endif // OHOS_STORAGE_DAEMON_VOLUME_INFO_H