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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PowerStats.h"
#include <android-base/logging.h>
#include <numeric>
namespace aidl {
namespace android {
namespace hardware {
namespace power {
namespace stats {
void PowerStats::addStateResidencyDataProvider(std::unique_ptr<IStateResidencyDataProvider> p) {
if (!p) {
return;
}
int32_t id = mPowerEntityInfos.size();
auto info = p->getInfo();
size_t index = mStateResidencyDataProviders.size();
mStateResidencyDataProviders.emplace_back(std::move(p));
for (const auto& [entityName, states] : info) {
PowerEntity i = {
.id = id++,
.name = entityName,
.states = states,
};
mPowerEntityInfos.emplace_back(i);
mStateResidencyDataProviderIndex.emplace_back(index);
}
}
void PowerStats::addEnergyConsumer(std::unique_ptr<IEnergyConsumer> p) {
if (!p) {
return;
}
EnergyConsumerType type = p->getType();
std::string name = p->getName();
int32_t count = count_if(mEnergyConsumerInfos.begin(), mEnergyConsumerInfos.end(),
[&type](const EnergyConsumer& c) { return type == c.type; });
int32_t id = mEnergyConsumers.size();
mEnergyConsumerInfos.emplace_back(
EnergyConsumer{.id = id, .ordinal = count, .type = type, .name = name});
mEnergyConsumers.emplace_back(std::move(p));
}
void PowerStats::setEnergyMeter(std::unique_ptr<IEnergyMeter> p) {
mEnergyMeter = std::move(p);
}
ndk::ScopedAStatus PowerStats::getPowerEntityInfo(std::vector<PowerEntity>* _aidl_return) {
*_aidl_return = mPowerEntityInfos;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus PowerStats::getStateResidency(const std::vector<int32_t>& in_powerEntityIds,
std::vector<StateResidencyResult>* _aidl_return) {
if (mPowerEntityInfos.empty()) {
return ndk::ScopedAStatus::ok();
}
// If in_powerEntityIds is empty then return data for all supported entities
if (in_powerEntityIds.empty()) {
std::vector<int32_t> v(mPowerEntityInfos.size());
std::iota(std::begin(v), std::end(v), 0);
return getStateResidency(v, _aidl_return);
}
std::unordered_map<std::string, std::vector<StateResidency>> stateResidencies;
for (const int32_t id : in_powerEntityIds) {
// check for invalid ids
if (id < 0 || id >= mPowerEntityInfos.size()) {
return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_ILLEGAL_ARGUMENT));
}
// Check to see if we already have data for the given id
std::string powerEntityName = mPowerEntityInfos[id].name;
if (stateResidencies.find(powerEntityName) == stateResidencies.end()) {
mStateResidencyDataProviders.at(mStateResidencyDataProviderIndex.at(id))
->getStateResidencies(&stateResidencies);
}
// Append results if we have them
auto stateResidency = stateResidencies.find(powerEntityName);
if (stateResidency != stateResidencies.end()) {
StateResidencyResult res = {
.id = id,
.stateResidencyData = stateResidency->second,
};
_aidl_return->emplace_back(res);
} else {
// Failed to get results for the given id.
LOG(ERROR) << "Failed to get results for " << powerEntityName;
}
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus PowerStats::getEnergyConsumerInfo(std::vector<EnergyConsumer>* _aidl_return) {
*_aidl_return = mEnergyConsumerInfos;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus PowerStats::getEnergyConsumed(const std::vector<int32_t>& in_energyConsumerIds,
std::vector<EnergyConsumerResult>* _aidl_return) {
if (mEnergyConsumers.empty()) {
return ndk::ScopedAStatus::ok();
}
// If in_powerEntityIds is empty then return data for all supported energy consumers
if (in_energyConsumerIds.empty()) {
std::vector<int32_t> v(mEnergyConsumerInfos.size());
std::iota(std::begin(v), std::end(v), 0);
return getEnergyConsumed(v, _aidl_return);
}
for (const auto id : in_energyConsumerIds) {
// check for invalid ids
if (id < 0 || id >= mEnergyConsumers.size()) {
return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_ILLEGAL_ARGUMENT));
}
auto optionalResult = mEnergyConsumers[id]->getEnergyConsumed();
if (optionalResult) {
EnergyConsumerResult result = optionalResult.value();
result.id = id;
_aidl_return->emplace_back(result);
} else {
// Failed to get results for the given id.
LOG(ERROR) << "Failed to get results for " << mEnergyConsumerInfos[id].name;
}
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus PowerStats::getEnergyMeterInfo(std::vector<Channel>* _aidl_return) {
if (!mEnergyMeter) {
return ndk::ScopedAStatus::ok();
}
return mEnergyMeter->getEnergyMeterInfo(_aidl_return);
}
ndk::ScopedAStatus PowerStats::readEnergyMeter(const std::vector<int32_t>& in_channelIds,
std::vector<EnergyMeasurement>* _aidl_return) {
if (!mEnergyMeter) {
return ndk::ScopedAStatus::ok();
}
return mEnergyMeter->readEnergyMeter(in_channelIds, _aidl_return);
}
} // namespace stats
} // namespace power
} // namespace hardware
} // namespace android
} // namespace aidl
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