77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Copyright (C) 2021 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 "powerhal-adaptivecpu"
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#define ATRACE_TAG (ATRACE_TAG_POWER | ATRACE_TAG_HAL)
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#include "RealFilesystem.h"
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#include <android-base/logging.h>
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#include <dirent.h>
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#include <utils/Trace.h>
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#include <fstream>
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#include <istream>
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namespace aidl {
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namespace google {
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namespace hardware {
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namespace power {
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namespace impl {
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namespace pixel {
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bool RealFilesystem::ListDirectory(const std::string &path,
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std::vector<std::string> *result) const {
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ATRACE_CALL();
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// We can't use std::filesystem, see aosp/894015 & b/175635923.
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auto dir = std::unique_ptr<DIR, decltype(&closedir)>{opendir(path.c_str()), closedir};
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if (!dir) {
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LOG(ERROR) << "Failed to open directory " << path;
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return false;
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}
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dirent *entry;
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while ((entry = readdir(&*dir)) != nullptr) {
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result->emplace_back(entry->d_name);
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}
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return true;
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}
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bool RealFilesystem::ReadFileStream(const std::string &path,
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std::unique_ptr<std::istream> *result) const {
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ATRACE_CALL();
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*result = std::make_unique<std::ifstream>(path);
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if ((*result)->fail()) {
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LOG(ERROR) << "Failed to read file stream: " << path;
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return false;
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}
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return true;
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}
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bool RealFilesystem::ResetFileStream(const std::unique_ptr<std::istream> &fileStream) const {
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if (fileStream->seekg(0).bad()) {
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LOG(ERROR) << "Failed to reset file stream";
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return false;
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}
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return true;
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}
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} // namespace pixel
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} // namespace impl
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} // namespace power
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} // namespace hardware
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} // namespace google
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} // namespace aidl
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