68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright (C) 2022 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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#include <battery_mitigation/BatteryMitigation.h>
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#include <sstream>
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#define MAX_BROWNOUT_DATA_AGE_SECONDS 300
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namespace android {
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namespace hardware {
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namespace google {
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namespace pixel {
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BatteryMitigation::BatteryMitigation(const struct MitigationConfig::Config &cfg) {
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mThermalMgr = &MitigationThermalManager::getInstance();
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mThermalMgr->updateConfig(cfg);
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}
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bool BatteryMitigation::isMitigationLogTimeValid(std::chrono::system_clock::time_point startTime,
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const char *const logFilePath,
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const char *const timestampFormat,
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const std::regex pattern) {
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std::string logFile;
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if (!android::base::ReadFileToString(logFilePath, &logFile)) {
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return false;
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}
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std::istringstream content(logFile);
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std::string line;
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int counter = 0;
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std::smatch pattern_match;
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while (std::getline(content, line)) {
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if (std::regex_match(line, pattern_match, pattern)) {
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std::tm triggeredTimestamp = {};
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std::istringstream ss(pattern_match.str());
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ss >> std::get_time(&triggeredTimestamp, timestampFormat);
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auto logFileTime = std::chrono::system_clock::from_time_t(mktime(&triggeredTimestamp));
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auto delta = std::chrono::duration_cast<std::chrono::seconds>(startTime - logFileTime);
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if ((delta.count() < MAX_BROWNOUT_DATA_AGE_SECONDS) && (delta.count() > 0)) {
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return true;
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}
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}
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counter += 1;
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if (counter > 5) {
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break;
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}
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}
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return false;
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}
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} // namespace pixel
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} // namespace google
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} // namespace hardware
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} // namespace android
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