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1 /*
2  * Copyright (c) 2023 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 "data_sync/sync_state_manager.h"
17 
18 #include <type_traits>
19 
20 #include "utils_log.h"
21 
22 namespace OHOS::FileManagement::CloudSync {
23 using namespace std;
24 
UpdateSyncState(SyncState newState)25 Action SyncStateManager::UpdateSyncState(SyncState newState)
26 {
27     std::unique_lock<std::shared_mutex> lck(syncMutex_);
28     state_ = newState;
29     stopSyncFlag_ = false;
30     return nextAction_;
31 }
32 
CheckAndSetPending(bool forceFlag,SyncTriggerType triggerType)33 bool SyncStateManager::CheckAndSetPending(bool forceFlag, SyncTriggerType triggerType)
34 {
35     std::unique_lock<std::shared_mutex> lck(syncMutex_);
36     if (state_ != SyncState::SYNCING &&
37         state_ != SyncState::CLEANING &&
38         state_ != SyncState::DISABLE_CLOUD) {
39         state_ = SyncState::SYNCING;
40         nextAction_ = Action::STOP;
41         isForceSync_ = forceFlag;
42         return false;
43     }
44 
45     if (nextAction_ == Action::CHECK) {
46         return true;
47     }
48     if (forceFlag) {
49         nextAction_ = Action::FORCE_START;
50     } else if (triggerType == SyncTriggerType::TASK_TRIGGER) {
51         nextAction_ = Action::CHECK;
52     } else {
53         nextAction_ = Action::START;
54     }
55     return true;
56 }
57 
SetDisableCloudFlag()58 void SyncStateManager::SetDisableCloudFlag()
59 {
60     std::unique_lock<std::shared_mutex> lck(syncMutex_);
61     state_ = SyncState::DISABLE_CLOUD;
62     nextAction_ = Action::STOP;
63 }
64 
SetCleaningFlag()65 void SyncStateManager::SetCleaningFlag()
66 {
67     std::unique_lock<std::shared_mutex> lck(syncMutex_);
68     state_ = SyncState::CLEANING;
69     nextAction_ = Action::STOP;
70 }
71 
GetStopSyncFlag()72 bool SyncStateManager::GetStopSyncFlag()
73 {
74     return stopSyncFlag_;
75 }
76 
SetStopSyncFlag()77 void SyncStateManager::SetStopSyncFlag()
78 {
79     std::unique_lock<std::shared_mutex> lck(syncMutex_);
80     nextAction_ = Action::STOP;
81     stopSyncFlag_ = true;
82 }
83 
GetSyncState() const84 SyncState SyncStateManager::GetSyncState() const
85 {
86     return state_;
87 }
88 
GetForceFlag() const89 bool SyncStateManager::GetForceFlag() const
90 {
91     return isForceSync_;
92 }
93 } // namespace OHOS::FileManagement::CloudSync