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RocksDB for Erlang

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rocksdb deps rocksdb tools io_tracer_parser_tool.h
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deps/rocksdb/tools/io_tracer_parser_tool.h 

// 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).



#ifndef ROCKSDB_LITE

#pragma once



#include <memory>



#include "rocksdb/env.h"

#include "rocksdb/status.h"



namespace ROCKSDB_NAMESPACE {



struct IOTraceHeader;

struct IOTraceRecord;



// IOTraceRecordParser class reads the IO trace file (in binary format) and

// dumps the human readable records in output_file_.

class IOTraceRecordParser {

 public:

  explicit IOTraceRecordParser(const std::string& input_file);



  // ReadIOTraceRecords reads the binary trace file records one by one and

  // invoke PrintHumanReadableIOTraceRecord to dump the records in output_file_.

  int ReadIOTraceRecords();



 private:

  void PrintHumanReadableHeader(const IOTraceHeader& header);

  void PrintHumanReadableIOTraceRecord(const IOTraceRecord& record);



  // Binary file that contains IO trace records.

  std::string input_file_;

};



int io_tracer_parser(int argc, char** argv);



}  // namespace ROCKSDB_NAMESPACE

#endif  // ROCKSDB_LITE