132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "pwrstats_util"
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#include "PowerStatsCollector.h"
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#include <android-base/logging.h>
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void PowerStatsCollector::addDataProvider(std::unique_ptr<IPowerStatProvider> p) {
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mStatProviders.emplace(p->typeOf(), std::move(p));
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}
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int PowerStatsCollector::get(std::vector<PowerStatistic>* stats) const {
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if (!stats) {
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LOG(ERROR) << __func__ << ": bad args; stat is null";
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return 1;
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}
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stats->clear();
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for (auto&& provider : mStatProviders) {
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PowerStatistic stat;
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if (provider.second->get(&stat) != 0) {
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LOG(ERROR) << __func__ << ": a data provider failed";
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stats->clear();
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return 1;
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}
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stats->emplace_back(stat);
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}
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return 0;
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}
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int PowerStatsCollector::get(const std::vector<PowerStatistic>& start,
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std::vector<PowerStatistic>* interval) const {
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if (!interval) {
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LOG(ERROR) << __func__ << ": bad args; interval is null";
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return 1;
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}
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interval->clear();
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for (auto const& curStat : start) {
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auto provider = mStatProviders.find(curStat.power_stat_case());
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if (provider == mStatProviders.end()) {
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LOG(ERROR) << __func__ << ": a provider is missing";
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interval->clear();
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return 1;
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}
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PowerStatistic curInterval;
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if (provider->second->get(curStat, &curInterval) != 0) {
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LOG(ERROR) << __func__ << ": a data provider failed";
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interval->clear();
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return 1;
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}
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interval->emplace_back(curInterval);
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}
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return 0;
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}
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void PowerStatsCollector::dump(const std::vector<PowerStatistic>& stats,
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std::ostream* output) const {
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if (!output) {
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LOG(ERROR) << __func__ << ": bad args; output is null";
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return;
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}
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for (auto const& stat : stats) {
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auto provider = mStatProviders.find(stat.power_stat_case());
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if (provider == mStatProviders.end()) {
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LOG(ERROR) << __func__ << ": a provider is missing";
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return;
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}
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provider->second->dump(stat, output);
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}
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}
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int IPowerStatProvider::get(PowerStatistic* stat) const {
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if (!stat) {
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LOG(ERROR) << __func__ << ": bad args; stat is null";
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return 1;
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}
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return getImpl(stat);
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}
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int IPowerStatProvider::get(const PowerStatistic& start, PowerStatistic* interval) const {
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if (!interval) {
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LOG(ERROR) << __func__ << ": bad args; interval is null";
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return 1;
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}
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if (typeOf() != start.power_stat_case()) {
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LOG(ERROR) << __func__ << ": bad args; start is incorrect type";
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return 1;
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}
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if (0 != getImpl(interval)) {
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LOG(ERROR) << __func__ << ": unable to retrieve stats";
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return 1;
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}
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return getImpl(start, interval);
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}
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void IPowerStatProvider::dump(const PowerStatistic& stat, std::ostream* output) const {
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if (!output) {
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LOG(ERROR) << __func__ << ": bad args; output is null";
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return;
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}
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if (typeOf() != stat.power_stat_case()) {
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LOG(ERROR) << __func__ << ": bad args; stat is incorrect type";
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return;
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}
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dumpImpl(stat, output);
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}
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