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 "nap_state.h"
17
18 #include "time_service_client.h"
19
20 #include "standby_service_log.h"
21 #include "standby_config_manager.h"
22 #include "iconstraint_manager_adapter.h"
23 #include "istate_manager_adapter.h"
24 #include "time_provider.h"
25
26 namespace OHOS {
27 namespace DevStandbyMgr {
NapState(uint32_t curState,uint32_t curPhase,const std::shared_ptr<IStateManagerAdapter> & stateManager,std::shared_ptr<AppExecFwk::EventHandler> & handler)28 NapState::NapState(uint32_t curState, uint32_t curPhase, const std::shared_ptr<IStateManagerAdapter>&
29 stateManager, std::shared_ptr<AppExecFwk::EventHandler>& handler): BaseState(curState, curPhase,
30 stateManager, handler)
31 {
32 maintInterval_ = StandbyConfigManager::GetInstance()->GetStandbyDurationList(NAP_MAINT_DURATION);
33 nextState_ = StandbyState::NAP;
34 }
35
BeginState()36 ErrCode NapState::BeginState()
37 {
38 auto stateManagerPtr = stateManager_.lock();
39 if (!stateManagerPtr) {
40 STANDBYSERVICE_LOGE("state manager adapter is nullptr");
41 return ERR_STATE_MANAGER_IS_NULLPTR;
42 }
43
44 if (stateManagerPtr->GetPreState() == StandbyState::MAINTENANCE) {
45 nextState_ = StandbyState::MAINTENANCE;
46 int64_t maintIntervalTimeOut = CalculateMaintTimeOut(stateManagerPtr, false);
47 STANDBYSERVICE_LOGI("after " SPUBI64 " ms, enter maintenance state", maintIntervalTimeOut);
48
49 if (maintIntervalTimeOut != 0) {
50 StartStateTransitionTimer(maintIntervalTimeOut);
51 }
52 return ERR_OK;
53 }
54
55 maintIntervalIndex_ = 0;
56 curPhase_ = NapStatePhase::CONNECTION;
57 if (StandbyConfigManager::GetInstance()->GetStandbySwitch(SLEEP_SWITCH)) {
58 nextState_ = StandbyState::SLEEP;
59 int64_t napTimeOut = std::min(TimeConstant::MSEC_PER_SEC * StandbyConfigManager::GetInstance()->
60 GetStandbyParam(NAP_TIMEOUT), TimeProvider::GetNapTimeOut());
61 STANDBYSERVICE_LOGI("napTimeOut is " SPUBI64 " ms", napTimeOut);
62 StartStateTransitionTimer(napTimeOut);
63 }
64 handler_->PostTask([napState = shared_from_this()]() {
65 BaseState::AcquireStandbyRunningLock();
66 napState->TransitToPhase(napState->curPhase_, napState->curPhase_ + 1);
67 }, TRANSIT_NEXT_PHASE_INSTANT_TASK);
68 return ERR_OK;
69 }
70
EndState()71 ErrCode NapState::EndState()
72 {
73 StopTimedTask(TRANSIT_NEXT_STATE_TIMED_TASK);
74 handler_->RemoveTask(TRANSIT_NEXT_STATE_TIMED_TASK);
75 handler_->RemoveTask(TRANSIT_NEXT_PHASE_INSTANT_TASK);
76 return ERR_OK;
77 }
78
CheckTransitionValid(uint32_t nextState)79 bool NapState::CheckTransitionValid(uint32_t nextState)
80 {
81 return true;
82 }
83
EndEvalCurrentState(bool evalResult)84 void NapState::EndEvalCurrentState(bool evalResult)
85 {
86 if (curPhase_ == NapStatePhase::END) {
87 HandleEvalResToSleepState(evalResult);
88 return;
89 }
90 SetPhaseTransitTask(evalResult);
91 }
92
SetPhaseTransitTask(bool evalResult)93 void NapState::SetPhaseTransitTask(bool evalResult)
94 {
95 if (evalResult) {
96 TransitToPhaseInner(curPhase_, curPhase_ + 1);
97 }
98 curPhase_ += 1;
99 if (curPhase_ < NapStatePhase::END) {
100 handler_->PostTask([napState = shared_from_this()]() {
101 napState->TransitToPhase(napState->curPhase_, napState->curPhase_ + 1);
102 }, TRANSIT_NEXT_PHASE_INSTANT_TASK);
103 } else {
104 BaseState::ReleaseStandbyRunningLock();
105 }
106 }
107
HandleEvalResToSleepState(bool evalResult)108 void NapState::HandleEvalResToSleepState(bool evalResult)
109 {
110 auto stateManagerPtr = stateManager_.lock();
111 if (!stateManagerPtr) {
112 return;
113 }
114 if (!evalResult) {
115 stateManagerPtr->TransitToState(StandbyState::WORKING);
116 } else if (nextState_ != StandbyState::NAP) {
117 stateManagerPtr->TransitToStateInner(StandbyState::SLEEP);
118 }
119 }
120
OnStateBlocked()121 void NapState::OnStateBlocked()
122 {
123 STANDBYSERVICE_LOGD("constraint evalution failed, block current state");
124 auto stateManagerPtr = stateManager_.lock();
125 if (!stateManagerPtr) {
126 return;
127 }
128 int64_t maintIntervalTimeOut = CalculateMaintTimeOut(stateManagerPtr, true);
129 if (maintIntervalTimeOut > 0) {
130 nextState_ = StandbyState::MAINTENANCE;
131 StartStateTransitionTimer(maintIntervalTimeOut);
132 }
133 BaseState::ReleaseStandbyRunningLock();
134 }
135
IsInFinalPhase()136 bool NapState::IsInFinalPhase()
137 {
138 return curPhase_ == NapStatePhase::END;
139 }
140 } // namespace DevStandbyMgr
141 } // namespace OHOS