dyn_buf_t< SIZE >::block_t Class Reference

#include <dyn0buf.h>

Public Member Functions
	block_t ()
	~block_t ()=default
ulint	used () const
	Gets the number of used bytes in a block. More...
byte *	start ()
	Gets pointer to the start of data. More...
byte *	begin ()
byte *	end ()
const byte *	begin () const
const byte *	end () const

Private Member Functions
template<typename Type >
Type	push (uint32_t size)
void	close (const byte *ptr)
	Grow the stack. More...
void	init ()
	Initialise the block. More...

Private Attributes
ulint	m_buf_end
	If opened then this is the buffer end offset, else 0. More...
ulint	m_magic_n
	Magic number (DYN_BLOCK_MAGIC_N) More...
byte	m_data [MAX_DATA_SIZE]
	Storage. More...
block_node_t	m_node
	Doubly linked list node. More...
uint32_t	m_used
	number of data bytes used in this block; DYN_BLOCK_FULL_FLAG is set when the block becomes full More...

Static Private Attributes
static constexpr auto	MAX_DATA_SIZE = SIZE
	SIZE - sizeof(m_node) + sizeof(m_used) More...

Friends
class	dyn_buf_t

Constructor & Destructor Documentation

block_t()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

dyn_buf_t< SIZE >::block_t::block_t ( )

inline

~block_t()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

dyn_buf_t< SIZE >::block_t::~block_t ( )

default

Member Function Documentation

begin() [1/2]

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

byte * dyn_buf_t< SIZE >::block_t::begin ( void  )

inline

Returns

start of data - non const version

begin() [2/2]

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

const byte * dyn_buf_t< SIZE >::block_t::begin ( void  ) const

inline

Returns

start of data - const version

close()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

void dyn_buf_t< SIZE >::block_t::close ( const byte *  ptr )

inlineprivate

Grow the stack.

end() [1/2]

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

byte * dyn_buf_t< SIZE >::block_t::end ( void  )

inline

Returns

end of used data - non const version

end() [2/2]

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

const byte * dyn_buf_t< SIZE >::block_t::end ( void  ) const

inline

Returns

end of used data - const version

init()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

void dyn_buf_t< SIZE >::block_t::init ( void  )

inlineprivate

Initialise the block.

push()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

template<typename Type >

Type dyn_buf_t< SIZE >::block_t::push ( uint32_t  size )

inlineprivate

Returns

pointer to start of reserved space

start()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

byte * dyn_buf_t< SIZE >::block_t::start ( )

inline

Gets pointer to the start of data.

Returns

pointer to data

used()

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

ulint dyn_buf_t< SIZE >::block_t::used ( ) const

inline

Gets the number of used bytes in a block.

Returns

number of bytes used

Friends And Related Function Documentation

dyn_buf_t

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

friend class dyn_buf_t

friend

Member Data Documentation

m_buf_end

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

ulint dyn_buf_t< SIZE >::block_t::m_buf_end

private

If opened then this is the buffer end offset, else 0.

m_data

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

byte dyn_buf_t< SIZE >::block_t::m_data[MAX_DATA_SIZE]

private

Storage.

m_magic_n

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

ulint dyn_buf_t< SIZE >::block_t::m_magic_n

private

Magic number (DYN_BLOCK_MAGIC_N)

m_node

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

block_node_t dyn_buf_t< SIZE >::block_t::m_node

private

Doubly linked list node.

m_used

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

uint32_t dyn_buf_t< SIZE >::block_t::m_used

private

number of data bytes used in this block; DYN_BLOCK_FULL_FLAG is set when the block becomes full

MAX_DATA_SIZE

template<size_t SIZE = DYN_ARRAY_DATA_SIZE>

constexpr auto dyn_buf_t< SIZE >::block_t::MAX_DATA_SIZE = SIZE

staticconstexprprivate

SIZE - sizeof(m_node) + sizeof(m_used)

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The documentation for this class was generated from the following file:

• storage/innobase/include/dyn0buf.h