pbc-dump.cc

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// The following only applies to changes made to this file as part of YugaByte development.
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// Portions Copyright (c) YugaByte, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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#include <iostream>
#include <string>

#include "yb/util/env.h"
#include "yb/util/flags.h"
#include "yb/util/logging.h"
#include "yb/util/pb_util.h"
#include "yb/util/status.h"

using yb::Status;
using std::cerr;
using std::endl;
using std::string;

DEFINE_NON_RUNTIME_bool(oneline, false, "print each protobuf on a single line");
TAG_FLAG(oneline, stable);

namespace yb {
namespace pb_util {

Status DumpPBContainerFile(const string& filename) {
  Env* env = Env::Default();
  std::unique_ptr<RandomAccessFile> reader;
  RETURN_NOT_OK(env->NewRandomAccessFile(filename, &reader));
  ReadablePBContainerFile pb_reader(std::move(reader));
  RETURN_NOT_OK(pb_reader.Init());
  RETURN_NOT_OK(pb_reader.Dump(&std::cout, FLAGS_oneline));

  return Status::OK();
}

} // namespace pb_util
} // namespace yb

int main(int argc, char **argv) {
  yb::ParseCommandLineFlags(&argc, &argv, true);
  yb::InitGoogleLoggingSafe(argv[0]);
  if (argc != 2) {
    cerr << "usage: " << argv[0] << " [--oneline] <protobuf container filename>" << endl;
    return 2;
  }

  Status s = yb::pb_util::DumpPBContainerFile(argv[1]);
  if (s.ok()) {
    return 0;
  } else {
    cerr << s.ToString() << endl;
    return 1;
  }
}