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_EXTERNAL_VOLUME_INFO_H
17 #define OHOS_STORAGE_DAEMON_EXTERNAL_VOLUME_INFO_H
18 
19 #include <vector>
20 #include <sys/types.h>
21 #include <map>
22 #include "volume/volume_info.h"
23 
24 namespace OHOS {
25 namespace StorageDaemon {
26 constexpr int UID_FILE_MANAGER = 1006;
27 class ExternalVolumeInfo : public VolumeInfo {
28 public:
29     ExternalVolumeInfo() = default;
30     virtual ~ExternalVolumeInfo() = default;
31 
32     int32_t GetFsType();
33     std::string GetFsUuid();
34     std::string GetFsLabel();
35     std::string GetMountPath();
36 
37 protected:
38     virtual int32_t DoCreate(dev_t dev) override;
39     virtual int32_t DoDestroy() override;
40     virtual int32_t DoMount(uint32_t mountFlags) override;
41     virtual int32_t DoUMount(bool force) override;
42     virtual int32_t DoCheck() override;
43     virtual int32_t DoFormat(std::string type) override;
44     virtual int32_t DoSetVolDesc(std::string description) override;
45 
46 private:
47     std::string devPath_;
48     std::string fsLabel_;
49     std::string fsUuid_;
50     std::string fsType_;
51     std::string mountPath_;
52 
53     dev_t device_;
54 
55     const std::string devPathDir_ = "/dev/block/%s";
56     const std::string mountPathDir_ = "/mnt/data/external/%s";
57     std::vector<std::string> supportMountType_ = { "ext2", "ext3", "ext4", "ntfs", "exfat", "vfat" };
58     std::map<std::string, std::string> supportFormatType_ = {{"exfat", "mkfs.exfat"}, {"vfat", "newfs_msdos"}};
59 
60     int32_t ReadMetadata();
61     int32_t DoMount4Ext(uint32_t mountFlags);
62     int32_t DoMount4Ntfs(uint32_t mountFlags);
63     int32_t DoMount4Exfat(uint32_t mountFlags);
64     int32_t DoMount4OtherType(uint32_t mountFlags);
65     int32_t DoMount4Vfat(uint32_t mountFlags);
66 };
67 } // STORAGE_DAEMON
68 } // OHOS
69 
70 #endif // OHOS_STORAGE_DAEMON_EXTERNAL_VOLUME_INFO_H
71