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/*
* Copyright (C) 2019 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.
*/
#define LOG_TAG "pwrstats_util"
#include "PowerStatsCollector.h"
#include <android-base/logging.h>
void PowerStatsCollector::addDataProvider(std::unique_ptr<IPowerStatProvider> p) {
mStatProviders.emplace(p->typeOf(), std::move(p));
}
int PowerStatsCollector::get(std::vector<PowerStatistic>* stats) const {
if (!stats) {
LOG(ERROR) << __func__ << ": bad args; stat is null";
return 1;
}
stats->clear();
for (auto&& provider : mStatProviders) {
PowerStatistic stat;
if (provider.second->get(&stat) != 0) {
LOG(ERROR) << __func__ << ": a data provider failed";
stats->clear();
return 1;
}
stats->emplace_back(stat);
}
return 0;
}
int PowerStatsCollector::get(const std::vector<PowerStatistic>& start,
std::vector<PowerStatistic>* interval) const {
if (!interval) {
LOG(ERROR) << __func__ << ": bad args; interval is null";
return 1;
}
interval->clear();
for (auto const& curStat : start) {
auto provider = mStatProviders.find(curStat.power_stat_case());
if (provider == mStatProviders.end()) {
LOG(ERROR) << __func__ << ": a provider is missing";
interval->clear();
return 1;
}
PowerStatistic curInterval;
if (provider->second->get(curStat, &curInterval) != 0) {
LOG(ERROR) << __func__ << ": a data provider failed";
interval->clear();
return 1;
}
interval->emplace_back(curInterval);
}
return 0;
}
void PowerStatsCollector::dump(const std::vector<PowerStatistic>& stats,
std::ostream* output) const {
if (!output) {
LOG(ERROR) << __func__ << ": bad args; output is null";
return;
}
for (auto const& stat : stats) {
auto provider = mStatProviders.find(stat.power_stat_case());
if (provider == mStatProviders.end()) {
LOG(ERROR) << __func__ << ": a provider is missing";
return;
}
provider->second->dump(stat, output);
}
}
int IPowerStatProvider::get(PowerStatistic* stat) const {
if (!stat) {
LOG(ERROR) << __func__ << ": bad args; stat is null";
return 1;
}
return getImpl(stat);
}
int IPowerStatProvider::get(const PowerStatistic& start, PowerStatistic* interval) const {
if (!interval) {
LOG(ERROR) << __func__ << ": bad args; interval is null";
return 1;
}
if (typeOf() != start.power_stat_case()) {
LOG(ERROR) << __func__ << ": bad args; start is incorrect type";
return 1;
}
if (0 != getImpl(interval)) {
LOG(ERROR) << __func__ << ": unable to retrieve stats";
return 1;
}
return getImpl(start, interval);
}
void IPowerStatProvider::dump(const PowerStatistic& stat, std::ostream* output) const {
if (!output) {
LOG(ERROR) << __func__ << ": bad args; output is null";
return;
}
if (typeOf() != stat.power_stat_case()) {
LOG(ERROR) << __func__ << ": bad args; stat is incorrect type";
return;
}
dumpImpl(stat, output);
}