You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.8 KiB
89 lines
2.8 KiB
1 year ago
|
/*
|
||
|
|
* Copyright (C) 2022 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 ATRACE_TAG (ATRACE_TAG_THERMAL | ATRACE_TAG_HAL)
|
||
|
|
|
||
|
|
#include "thermal_files.h"
|
||
|
|
|
||
|
|
#include <android-base/file.h>
|
||
|
|
#include <android-base/logging.h>
|
||
|
|
#include <android-base/stringprintf.h>
|
||
|
|
#include <android-base/strings.h>
|
||
|
|
#include <utils/Trace.h>
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
#include <string_view>
|
||
|
|
|
||
|
|
namespace aidl {
|
||
|
|
namespace android {
|
||
|
|
namespace hardware {
|
||
|
|
namespace thermal {
|
||
|
|
namespace implementation {
|
||
|
|
|
||
|
|
using ::android::base::StringPrintf;
|
||
|
|
|
||
|
|
std::string ThermalFiles::getThermalFilePath(std::string_view thermal_name) const {
|
||
|
|
auto sensor_itr = thermal_name_to_path_map_.find(thermal_name.data());
|
||
|
|
if (sensor_itr == thermal_name_to_path_map_.end()) {
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
return sensor_itr->second;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ThermalFiles::addThermalFile(std::string_view thermal_name, std::string_view path) {
|
||
|
|
return thermal_name_to_path_map_.emplace(thermal_name, path).second;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ThermalFiles::readThermalFile(std::string_view thermal_name, std::string *data) const {
|
||
|
|
std::string sensor_reading;
|
||
|
|
std::string file_path = getThermalFilePath(std::string_view(thermal_name));
|
||
|
|
*data = "";
|
||
|
|
|
||
|
|
ATRACE_NAME(StringPrintf("ThermalFiles::readThermalFile - %s", thermal_name.data()).c_str());
|
||
|
|
if (file_path.empty()) {
|
||
|
|
PLOG(WARNING) << "Failed to find " << thermal_name << "'s path";
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!::android::base::ReadFileToString(file_path, &sensor_reading)) {
|
||
|
|
PLOG(WARNING) << "Failed to read sensor: " << thermal_name;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Strip the newline.
|
||
|
|
*data = ::android::base::Trim(sensor_reading);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ThermalFiles::writeCdevFile(std::string_view cdev_name, std::string_view data) {
|
||
|
|
std::string file_path =
|
||
|
|
getThermalFilePath(::android::base::StringPrintf("%s_%s", cdev_name.data(), "w"));
|
||
|
|
|
||
|
|
ATRACE_NAME(StringPrintf("ThermalFiles::writeCdevFile - %s", cdev_name.data()).c_str());
|
||
|
|
if (!::android::base::WriteStringToFile(data.data(), file_path)) {
|
||
|
|
PLOG(WARNING) << "Failed to write cdev: " << cdev_name << " to " << data.data();
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace implementation
|
||
|
|
} // namespace thermal
|
||
|
|
} // namespace hardware
|
||
|
|
} // namespace android
|
||
|
|
} // namespace aidl
|