1 /*
2 * Copyright (c) 2022 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 #include "storage/volume_storage_status_service.h"
17
18 #include <sys/statvfs.h>
19
20 #include "storage_service_errno.h"
21 #include "storage_service_log.h"
22 #include "utils/storage_utils.h"
23 #ifdef EXTERNAL_STORAGE_MANAGER
24 #include "volume/volume_manager_service.h"
25 #endif
26
27 namespace OHOS {
28 namespace StorageManager {
VolumeStorageStatusService()29 VolumeStorageStatusService::VolumeStorageStatusService() {}
~VolumeStorageStatusService()30 VolumeStorageStatusService::~VolumeStorageStatusService() {}
31
32
GetVolumePath(std::string volumeUuid)33 std::string VolumeStorageStatusService::GetVolumePath(std::string volumeUuid)
34 {
35 #ifdef EXTERNAL_STORAGE_MANAGER
36 auto volumePtr = VolumeManagerService::GetInstance().GetVolumeByUuid(volumeUuid);
37 if (volumePtr == nullptr) {
38 LOGE("VolumeStorageStatusService::GetVolumePath fail.");
39 return "";
40 }
41 return volumePtr->GetPath();
42 #else
43 return "";
44 #endif
45 }
46
GetFreeSizeOfVolume(std::string volumeUuid,int64_t & freeSize)47 int32_t VolumeStorageStatusService::GetFreeSizeOfVolume(std::string volumeUuid, int64_t &freeSize)
48 {
49 std::string path = GetVolumePath(volumeUuid);
50 LOGI("VolumeStorageStatusService::GetFreeSizeOfVolume path is %{public}s", GetAnonyString(path).c_str());
51 if (path == "") {
52 return E_NON_EXIST;
53 }
54 struct statvfs diskInfo;
55 int ret = statvfs(path.c_str(), &diskInfo);
56 if (ret != E_OK) {
57 return E_STATVFS;
58 }
59 freeSize = (int64_t)diskInfo.f_bsize * (int64_t)diskInfo.f_bfree;
60 return E_OK;
61 }
62
GetTotalSizeOfVolume(std::string volumeUuid,int64_t & totalSize)63 int32_t VolumeStorageStatusService::GetTotalSizeOfVolume(std::string volumeUuid, int64_t &totalSize)
64 {
65 std::string path = GetVolumePath(volumeUuid);
66 if (path == "") {
67 return E_NON_EXIST;
68 }
69 struct statvfs diskInfo;
70 int ret = statvfs(path.c_str(), &diskInfo);
71 if (ret != E_OK) {
72 return E_STATVFS;
73 }
74 totalSize = (int64_t)diskInfo.f_bsize * (int64_t)diskInfo.f_blocks;
75 return E_OK;
76 }
77 } // StorageManager
78 } // OHOS
79