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 "hiappevent_clean.h"
17
18 #include <memory>
19 #include <vector>
20
21 #include "app_event_db_cleaner.h"
22 #include "app_event_log_cleaner.h"
23 #include "hiappevent_base.h"
24 #include "hilog/log.h"
25
26 namespace OHOS {
27 namespace HiviewDFX {
28 namespace HiAppEventClean {
29 namespace {
30 const HiLogLabel LABEL = { LOG_CORE, HIAPPEVENT_DOMAIN, "HiAppEvent_Clean" };
31
CreateCleaners(const std::string & dir,std::vector<std::shared_ptr<AppEventCleaner>> & cleaners)32 void CreateCleaners(const std::string& dir, std::vector<std::shared_ptr<AppEventCleaner>>& cleaners)
33 {
34 cleaners.push_back(std::make_shared<AppEventDbCleaner>(dir));
35 cleaners.push_back(std::make_shared<AppEventLogCleaner>(dir));
36 }
37
GetCurStorageSize(const std::string & dir)38 uint64_t GetCurStorageSize(const std::string& dir)
39 {
40 std::vector<std::shared_ptr<AppEventCleaner>> cleaners;
41 CreateCleaners(dir, cleaners);
42 uint64_t curSize = 0;
43 for (auto& cleaner : cleaners) {
44 curSize += cleaner->GetFilesSize();
45 }
46 return curSize;
47 }
48 }
IsStorageSpaceFull(const std::string & dir,uint64_t maxSize)49 bool IsStorageSpaceFull(const std::string& dir, uint64_t maxSize)
50 {
51 return GetCurStorageSize(dir) > maxSize;
52 }
53
ReleaseSomeStorageSpace(const std::string & dir,uint64_t maxSize)54 bool ReleaseSomeStorageSpace(const std::string& dir, uint64_t maxSize)
55 {
56 HiLog::Info(LABEL, "start to clear the storage space");
57 std::vector<std::shared_ptr<AppEventCleaner>> cleaners;
58 CreateCleaners(dir, cleaners);
59 auto curSize = GetCurStorageSize(dir);
60 for (auto it = cleaners.rbegin(); it != cleaners.rend(); ++it) { // clear the log space first
61 curSize = (*it)->ClearSpace(curSize, maxSize);
62 if (curSize <= maxSize) {
63 return true;
64 }
65 }
66 return curSize <= maxSize;
67 }
68
ClearData(const std::string & dir)69 void ClearData(const std::string& dir)
70 {
71 std::vector<std::shared_ptr<AppEventCleaner>> cleaners;
72 CreateCleaners(dir, cleaners);
73 for (auto& cleaner : cleaners) { // clear the db data first
74 cleaner->ClearData();
75 }
76 }
77 } // namespace HiAppEventClean
78 } // namespace HiviewDFX
79 } // namespace OHOS
80