rocksdb/utilities/trace/file_trace_reader_writer.h
Peter Dillinger 76c834e441 Remove 'virtual' when implied by 'override' (#12319)
Summary:
... to follow modern C++ style / idioms.

Used this hack:
```
for FILE in `cat my_list_of_files`; do perl -pi -e 'BEGIN{undef $/;} s/ virtual( [^;{]* override)/$1/smg' $FILE; done
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12319

Test Plan: existing tests, CI

Reviewed By: jaykorean

Differential Revision: D53275303

Pulled By: pdillinger

fbshipit-source-id: bc0881af270aa8ef4d0ae4f44c5a6614b6407377
2024-01-31 13:14:42 -08:00

49 lines
1.3 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#include "rocksdb/trace_reader_writer.h"
namespace ROCKSDB_NAMESPACE {
class RandomAccessFileReader;
class WritableFileWriter;
// FileTraceReader allows reading RocksDB traces from a file.
class FileTraceReader : public TraceReader {
public:
explicit FileTraceReader(std::unique_ptr<RandomAccessFileReader>&& reader);
~FileTraceReader();
Status Read(std::string* data) override;
Status Close() override;
Status Reset() override;
private:
std::unique_ptr<RandomAccessFileReader> file_reader_;
Slice result_;
size_t offset_;
char* const buffer_;
static const unsigned int kBufferSize;
};
// FileTraceWriter allows writing RocksDB traces to a file.
class FileTraceWriter : public TraceWriter {
public:
explicit FileTraceWriter(std::unique_ptr<WritableFileWriter>&& file_writer);
~FileTraceWriter();
Status Write(const Slice& data) override;
Status Close() override;
uint64_t GetFileSize() override;
private:
std::unique_ptr<WritableFileWriter> file_writer_;
};
} // namespace ROCKSDB_NAMESPACE