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hardware_samsung/hidl/powershare/PowerShare.cpp

98 lines
2.3 KiB

/*
* Copyright (C) 2020 The LineageOS 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 "powershare@1.0-service.samsung"
#include "PowerShare.h"
#include <android-base/logging.h>
#include <fstream>
#include <iostream>
#include "samsung_powershare.h"
namespace vendor {
namespace lineage {
namespace powershare {
namespace V1_0 {
namespace implementation {
/*
* Write value to path and close file.
*/
template <typename T>
static void set(const std::string& path, const T& value) {
std::ofstream file(path);
if (!file) {
PLOG(ERROR) << "Failed to open: " << path;
return;
}
LOG(DEBUG) << "write: " << path << " value: " << value;
file << value << std::endl;
if (!file) {
PLOG(ERROR) << "Failed to write: " << path << " value: " << value;
}
}
template <typename T>
static T get(const std::string& path, const T& def) {
std::ifstream file(path);
if (!file) {
PLOG(ERROR) << "Failed to open: " << path;
return def;
}
T result;
file >> result;
if (file.fail()) {
PLOG(ERROR) << "Failed to read: " << path;
return def;
} else {
LOG(DEBUG) << "read: " << path << " value: " << result;
return result;
}
}
Return<bool> PowerShare::isEnabled() {
return get(POWERSHARE_PATH, 0) == 1;
}
Return<bool> PowerShare::setEnabled(bool enable) {
set(POWERSHARE_PATH, enable ? 1 : 0);
return isEnabled();
}
Return<uint32_t> PowerShare::getMinBattery() {
return get(POWERSHARE_STOP_CAPACITY_PATH, 0);
}
Return<uint32_t> PowerShare::setMinBattery(uint32_t minBattery) {
set(POWERSHARE_STOP_CAPACITY_PATH, minBattery);
return getMinBattery();
}
} // namespace implementation
} // namespace V1_0
} // namespace powershare
} // namespace lineage
} // namespace vendor