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/*
* Copyright (C) 2017 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 specic language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_LIBPERFMGR_FILENODE_H_
#define ANDROID_LIBPERFMGR_FILENODE_H_
#include <android-base/unique_fd.h>
#include <cstddef>
#include <string>
#include <vector>
#include "perfmgr/Node.h"
namespace android {
namespace perfmgr {
// FileNode represents file
class FileNode : public Node {
public:
FileNode(std::string name, std::string node_path,
std::vector<RequestGroup> req_sorted, std::size_t default_val_index,
bool reset_on_init, bool hold_fd = false);
std::chrono::milliseconds Update(bool log_error) override;
bool GetHoldFd() const;
void DumpToFd(int fd) const override;
private:
FileNode(const Node& other) = delete;
FileNode& operator=(Node const&) = delete;
const bool hold_fd_;
const std::chrono::milliseconds warn_timeout_;
android::base::unique_fd fd_;
};
} // namespace perfmgr
} // namespace android
#endif // ANDROID_LIBPERFMGR_FILENODE_H_
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