tsid_plain.h

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// Copyright (c) 2023, 2024, Oracle and/or its affiliates.
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#ifndef MYSQL_GTID_TSID_PLAIN_H
#define MYSQL_GTID_TSID_PLAIN_H
 
#include "mysql/gtid/tag_plain.h"
#include "mysql/gtid/tsid.h"
#include "mysql/gtid/uuid.h"
 
/// @addtogroup GroupLibsMysqlGtid
/// @{
 
namespace mysql::gtid {
 
class Tsid;
 
/// @brief TSID representation so that:
/// - Tsid_plain is trivial
/// - Tsid_plain is a standard layout type
struct Tsid_plain {
  /// @brief Default ctor
  Tsid_plain() = default;
  /// @brief Construct from tsid object
  /// @param tsid tsid to copy
  explicit Tsid_plain(const Tsid &tsid);
 
  /// @brief Clear this TSID
  void clear();
 
  /// @brief Copies internal tsid into a given buffer
  /// @param[out] out Buffer, needs to be pre-allocated
  /// @return Number of bytes written into the buffer
  std::size_t to_string(char *out) const;
 
  friend class Tsid;
 
 private:
  Uuid m_uuid;      ///< GTID UUID
  Tag_plain m_tag;  ///< GTID Tag
};
 
static_assert(std::is_trivial_v<Uuid>);
static_assert(std::is_standard_layout_v<Uuid>);
 
}  // namespace mysql::gtid
 
/// @}
 
#endif  // MYSQL_GTID_TSID_PLAIN_H