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