diff options
Diffstat (limited to 'src/rocksdb/utilities/blob_db/blob_dump_tool.h')
-rw-r--r-- | src/rocksdb/utilities/blob_db/blob_dump_tool.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/blob_db/blob_dump_tool.h b/src/rocksdb/utilities/blob_db/blob_dump_tool.h new file mode 100644 index 000000000..bece564e1 --- /dev/null +++ b/src/rocksdb/utilities/blob_db/blob_dump_tool.h @@ -0,0 +1,58 @@ +// 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 +#ifndef ROCKSDB_LITE + +#include <memory> +#include <string> +#include <utility> + +#include "db/blob/blob_log_format.h" +#include "file/random_access_file_reader.h" +#include "rocksdb/slice.h" +#include "rocksdb/status.h" + +namespace ROCKSDB_NAMESPACE { +namespace blob_db { + +class BlobDumpTool { + public: + enum class DisplayType { + kNone, + kRaw, + kHex, + kDetail, + }; + + BlobDumpTool(); + + Status Run(const std::string& filename, DisplayType show_key, + DisplayType show_blob, DisplayType show_uncompressed_blob, + bool show_summary); + + private: + std::unique_ptr<RandomAccessFileReader> reader_; + std::unique_ptr<char[]> buffer_; + size_t buffer_size_; + + Status Read(uint64_t offset, size_t size, Slice* result); + Status DumpBlobLogHeader(uint64_t* offset, CompressionType* compression); + Status DumpBlobLogFooter(uint64_t file_size, uint64_t* footer_offset); + Status DumpRecord(DisplayType show_key, DisplayType show_blob, + DisplayType show_uncompressed_blob, bool show_summary, + CompressionType compression, uint64_t* offset, + uint64_t* total_records, uint64_t* total_key_size, + uint64_t* total_blob_size, + uint64_t* total_uncompressed_blob_size); + void DumpSlice(const Slice s, DisplayType type); + + template <class T> + std::string GetString(std::pair<T, T> p); +}; + +} // namespace blob_db +} // namespace ROCKSDB_NAMESPACE + +#endif // ROCKSDB_LITE |