CellStoreBlockHeader.h

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/*
 * SWC-DB© Copyright since 2019 Alex Kashirin <kashirin.alex@gmail.com>
 * License details at <https://github.com/kashirin-alex/swc-db/#license>
 */
 
 
#ifndef swcdb_ranger_db_CellStoreBlockHeader_h
#define swcdb_ranger_db_CellStoreBlockHeader_h
 
 
 
namespace SWC { namespace Ranger {
 
 
namespace CellStore {
 
 
namespace Block {
 
 
struct Header final {
  static const uint8_t SIZE = 21; // not-idx
 
  static const uint8_t ANY_BEGIN  = 0x01;
  static const uint8_t ANY_END    = 0x2;
 
  uint64_t                  offset_data;
  DB::Cells::Interval       interval;
  uint8_t                   is_any;
 
  DB::Types::Encoder        encoder;
  uint32_t                  size_plain;
  uint32_t                  size_enc;
  uint32_t                  cells_count;
  uint32_t                  checksum_data;
 
  Header(DB::Types::KeySeq key_seq) noexcept;
 
  Header(const Header& other);
 
  Header(Header&& other) noexcept;
 
  ~Header() noexcept { }
 
  void encode(uint8_t** bufp);
 
  void decode(const uint8_t** bufp, size_t* remainp);
 
  size_t encoded_length_idx() const;
 
  void encode_idx(uint8_t** bufp) const;
 
  void decode_idx(const uint8_t** bufp, size_t* remainp);
 
  void print(std::ostream& out) const;
 
};
 
 
 
}}}} // namespace SWC::Ranger::CellStore::Block
 
#endif // swcdb_ranger_db_CellStoreBlockHeader_h