Method SnappyUncompress

src/leveldb/benchmarks/db_bench.cc:658–678

  }

  void SnappyUncompress(ThreadState* thread) {
    RandomGenerator gen;
    Slice input = gen.Generate(Options().block_size);
    std::string compressed;
    bool ok = port::Snappy_Compress(input.data(), input.size(), &compressed);
    int64_t bytes = 0;
    char* uncompressed = new char[input.size()];
    while (ok && bytes < 1024 * 1048576) {  // Compress 1G
      ok = port::Snappy_Uncompress(compressed.data(), compressed.size(),
                                   uncompressed);
      bytes += input.size();
      thread->stats.FinishedSingleOp();
    }
    delete[] uncompressed;

    if (!ok) {
      thread->stats.AddMessage("(snappy failure)");
    } else {
      thread->stats.AddBytes(bytes);
    }
  }

  void Open() {
    assert(db_ == nullptr);