| /* |
| * Copyright (C) 2021 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 "pixelstats-uevent" |
| |
| #include <android-base/file.h> |
| #include <android-base/logging.h> |
| #include <android-base/parseint.h> |
| #include <android-base/strings.h> |
| #include <hardware/google/pixel/pixelstats/pixelatoms.pb.h> |
| #include <log/log.h> |
| #include <pixelstats/PcaChargeStats.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace google { |
| namespace pixel { |
| |
| using android::base::ReadFileToString; |
| using android::base::WriteStringToFile; |
| |
| bool PcaChargeStats::CheckPcaContentsAndAck(std::string *file_contents) { |
| std::string path = kPcaChargeMetricsPath; |
| std::string line; |
| std::istringstream ss; |
| |
| if (!ReadFileToString(path.c_str(), file_contents)) { |
| path = kPca94xxChargeMetricsPath; |
| if (!ReadFileToString(path.c_str(), file_contents)) { |
| return false; |
| } |
| } |
| |
| ss.str(*file_contents); |
| |
| if (!std::getline(ss, line)) { |
| ALOGE("Unable to read first line %s - %s", path.c_str(), strerror(errno)); |
| return false; |
| } |
| if (!WriteStringToFile(std::to_string(0), path.c_str())) { |
| ALOGE("Couldn't clear %s - %s", path.c_str(), strerror(errno)); |
| return false; |
| } |
| return true; |
| } |
| |
| PcaChargeStats::PcaChargeStats(const std::string pca_charge_metrics_path, |
| const std::string pca94xx_charge_metrics_path) |
| : kPcaChargeMetricsPath(pca_charge_metrics_path), |
| kPca94xxChargeMetricsPath(pca94xx_charge_metrics_path) {} |
| |
| } // namespace pixel |
| } // namespace google |
| } // namespace hardware |
| } // namespace android |