1 /*
2 * Copyright (c) 2022-2023 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 #include "action_volume.h"
16
17 #include <algorithm>
18 #ifdef HAS_THERMAL_AUDIO_FRAMEWORK_PART
19 #include "audio_system_manager.h"
20 #include "audio_stream_manager.h"
21 #endif
22 #include "file_operation.h"
23 #include "thermal_hisysevent.h"
24 #include "thermal_service.h"
25 #include "securec.h"
26 #include "string_operation.h"
27
28 #ifdef HAS_THERMAL_AUDIO_FRAMEWORK_PART
29 using namespace OHOS::AudioStandard;
30 #endif
31 namespace OHOS {
32 namespace PowerMgr {
33 namespace {
34 constexpr const char* VOLUME_PATH = "/data/service/el0/thermal/config/volume";
35 const int MAX_PATH = 256;
36 std::vector<ActionItem> g_actionInfo;
37 }
38
ActionVolume(const std::string & actionName)39 ActionVolume::ActionVolume(const std::string& actionName)
40 {
41 actionName_ = actionName;
42 }
43
InitParams(const std::string & params)44 void ActionVolume::InitParams(const std::string& params)
45 {
46 (void)params;
47 }
48
SetStrict(bool enable)49 void ActionVolume::SetStrict(bool enable)
50 {
51 isStrict_ = enable;
52 }
53
SetEnableEvent(bool enable)54 void ActionVolume::SetEnableEvent(bool enable)
55 {
56 enableEvent_ = enable;
57 }
58
AddActionValue(std::string value)59 void ActionVolume::AddActionValue(std::string value)
60 {
61 if (value.empty()) {
62 return;
63 }
64 valueList_.push_back(static_cast<float>(strtof(value.c_str(), nullptr)));
65 }
66
Execute()67 void ActionVolume::Execute()
68 {
69 auto tms = ThermalService::GetInstance();
70 THERMAL_RETURN_IF (tms == nullptr);
71 float value = GetActionValue();
72 if (fabs(value - lastValue_) > FLOAT_ACCURACY) {
73 if (!tms->GetSimulationXml()) {
74 VolumeRequest(value);
75 } else {
76 VolumeExecution(value);
77 }
78 WriteActionTriggeredHiSysEventWithRatio(enableEvent_, actionName_, value);
79 tms->GetObserver()->SetDecisionValue(actionName_, std::to_string(value));
80 lastValue_ = value;
81 THERMAL_HILOGD(COMP_SVC, "action execute: {%{public}s = %{public}f}", actionName_.c_str(), lastValue_);
82 }
83 valueList_.clear();
84 }
85
GetActionValue()86 float ActionVolume::GetActionValue()
87 {
88 float value = FALLBACK_VALUE_FLOAT;
89 if (!valueList_.empty()) {
90 if (isStrict_) {
91 value = *min_element(valueList_.begin(), valueList_.end());
92 } else {
93 value = *max_element(valueList_.begin(), valueList_.end());
94 }
95 }
96 return value;
97 }
98
VolumeRequest(float volume)99 int32_t ActionVolume::VolumeRequest(float volume)
100 {
101 auto tms = ThermalService::GetInstance();
102 std::string uid;
103 std::vector<std::string> uidList;
104 g_actionInfo = tms->GetActionManagerObj()->GetActionItem();
105 const auto& item = std::find_if(g_actionInfo.begin(), g_actionInfo.end(), [](const auto& info) {
106 return info.name == "volume";
107 });
108 uid = (item != g_actionInfo.end()) ? item->uid : uid;
109
110 StringOperation::SplitString(uid, uidList, ",");
111 #ifdef HAS_THERMAL_AUDIO_FRAMEWORK_PART
112 std::vector<std::unique_ptr<AudioRendererChangeInfo>> audioInfos;
113 auto instance = AudioStreamManager::GetInstance();
114 #endif
115 int32_t ret = -1;
116 #ifdef HAS_THERMAL_AUDIO_FRAMEWORK_PART
117 if (instance == nullptr) {
118 THERMAL_HILOGW(COMP_SVC, "instance is nullptr");
119 return ret;
120 }
121
122 ret = instance->GetCurrentRendererChangeInfos(audioInfos);
123 #endif
124 if (ret < ERR_OK) {
125 return ret;
126 }
127 #ifdef HAS_THERMAL_AUDIO_FRAMEWORK_PART
128 if (audioInfos.size() <= 0) {
129 THERMAL_HILOGD(COMP_SVC, "audioRendererChangeInfos: No Active Streams");
130 return ERR_OK;
131 }
132 for (auto info = audioInfos.begin(); info != audioInfos.end(); ++info) {
133 std::vector<std::string>::iterator it = find(uidList.begin(), uidList.end(),
134 std::to_string(info->get()->clientUID));
135 if (it != uidList.end()) {
136 int32_t streamId = info->get()->sessionId;
137 ret = AudioSystemManager::GetInstance()->SetLowPowerVolume(streamId, volume);
138 if (ret < ERR_OK) {
139 return ret;
140 }
141 }
142 }
143 #endif
144 return ERR_OK;
145 }
146
VolumeExecution(float volume)147 int32_t ActionVolume::VolumeExecution(float volume)
148 {
149 int32_t ret = -1;
150 char buf[MAX_PATH] = {0};
151 ret = snprintf_s(buf, MAX_PATH, sizeof(buf) - 1, VOLUME_PATH);
152 if (ret < ERR_OK) {
153 return ret;
154 }
155 std::string valueString = std::to_string(volume) + "\n";
156 ret = FileOperation::WriteFile(buf, valueString, valueString.length());
157 if (ret != ERR_OK) {
158 return ret;
159 }
160 return ERR_OK;
161 }
162 } // namespace PowerMgr
163 } // namespace OHOS
164