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 <singleton.h>
19 #include <sys/statvfs.h>
20
21 #include "storage_service_errno.h"
22 #include "storage_service_log.h"
23 #include "utils/storage_utils.h"
24 #ifdef EXTERNAL_STORAGE_MANAGER
25 #include "volume/volume_manager_service.h"
26 #endif
27
28 namespace OHOS {
29 namespace StorageManager {
VolumeStorageStatusService()30 VolumeStorageStatusService::VolumeStorageStatusService() {}
~VolumeStorageStatusService()31 VolumeStorageStatusService::~VolumeStorageStatusService() {}
32
33
GetVolumePath(std::string volumeUuid)34 std::string VolumeStorageStatusService::GetVolumePath(std::string volumeUuid)
35 {
36 #ifdef EXTERNAL_STORAGE_MANAGER
37 auto volumePtr = DelayedSingleton<VolumeManagerService>::GetInstance()->GetVolumeByUuid(volumeUuid);
38 if (volumePtr == nullptr) {
39 LOGE("VolumeStorageStatusService::GetVolumePath fail.");
40 return "";
41 }
42 return volumePtr->GetPath();
43 #else
44 return "";
45 #endif
46 }
47
GetFreeSizeOfVolume(std::string volumeUuid,int64_t & freeSize)48 int32_t VolumeStorageStatusService::GetFreeSizeOfVolume(std::string volumeUuid, int64_t &freeSize)
49 {
50 std::string path = GetVolumePath(volumeUuid);
51 LOGI("VolumeStorageStatusService::GetFreeSizeOfVolume path is %{public}s", GetAnonyString(path).c_str());
52 if (path == "") {
53 return E_NON_EXIST;
54 }
55 struct statvfs diskInfo;
56 int ret = statvfs(path.c_str(), &diskInfo);
57 if (ret != E_OK) {
58 return E_ERR;
59 }
60 freeSize = (int64_t)diskInfo.f_bsize * (int64_t)diskInfo.f_bfree;
61 return E_OK;
62 }
63
GetTotalSizeOfVolume(std::string volumeUuid,int64_t & totalSize)64 int32_t VolumeStorageStatusService::GetTotalSizeOfVolume(std::string volumeUuid, int64_t &totalSize)
65 {
66 std::string path = GetVolumePath(volumeUuid);
67 if (path == "") {
68 return E_NON_EXIST;
69 }
70 struct statvfs diskInfo;
71 int ret = statvfs(path.c_str(), &diskInfo);
72 if (ret != E_OK) {
73 return E_ERR;
74 }
75 totalSize = (int64_t)diskInfo.f_bsize * (int64_t)diskInfo.f_blocks;
76 return E_OK;
77 }
78 } // StorageManager
79 } // OHOS
80