50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
#pragma once
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/*
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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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#include <chrono>
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#include <memory>
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#include <ostream>
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#include <vector>
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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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// Abstracted so we can mock in tests.
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class IFilesystem {
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public:
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virtual ~IFilesystem() {}
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virtual bool ListDirectory(const std::string &path, std::vector<std::string> *result) const = 0;
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virtual bool ReadFileStream(const std::string &path,
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std::unique_ptr<std::istream> *result) const = 0;
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// Resets the file stream, so that the next read will read from the beginning.
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// This function exists in IFilesystem rather than using istream::seekg directly. This is
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// so we can mock this function in tests, allowing us to return different data on reset.
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virtual bool ResetFileStream(const std::unique_ptr<std::istream> &fileStream) const = 0;
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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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