sese::io::AbstractByteBuffer Class Reference

Byte buffer class. More...

#include <AbstractByteBuffer.h>

Inheritance diagram for sese::io::AbstractByteBuffer:

Classes
struct	Node
	Buffer node. More...

Public Member Functions
	AbstractByteBuffer (size_t base_size=STREAM_BYTE_STREAM_SIZE_FACTOR, size_t factor=STREAM_BYTE_STREAM_SIZE_FACTOR)
	AbstractByteBuffer (const AbstractByteBuffer &abstract_byte_buffer) noexcept
	Copy.
	AbstractByteBuffer (AbstractByteBuffer &&abstract_byte_buffer) noexcept
	Mobile semantics.
	~AbstractByteBuffer () override
virtual void	resetPos ()
	Reset the read position.
virtual bool	eof ()
	Whether there is readable data.
virtual size_t	getLength () const
virtual size_t	getCapacity () const
virtual size_t	getReadableSize () const
virtual size_t	freeCapacity ()
virtual void	swap (AbstractByteBuffer &other) noexcept
int64_t	read (void *buffer, size_t len) override
int64_t	write (const void *buffer, size_t len) override
int64_t	peek (void *buffer, size_t len) override
int64_t	trunc (size_t need_read) override
Public Member Functions inherited from sese::io::InputStream
virtual	~InputStream () noexcept=default
Public Member Functions inherited from sese::io::OutputStream
virtual	~OutputStream () noexcept=default
int64_t	write (const std::string_view &buffer)
int64_t	write (const text::StringView &buffer)
template<typename T >
int64_t	write (std::vector< T > &buffer)
template<typename T , size_t N>
int64_t	write (std::array< T, N > &buffer)
Public Member Functions inherited from sese::io::PeekableStream
virtual	~PeekableStream ()=default

Private Attributes
size_t	factor = 0
Node *	root = nullptr
Node *	currentWriteNode = nullptr
size_t	currentWritePos = 0
Node *	currentReadNode = nullptr
size_t	currentReadPos = 0
size_t	length = 0
size_t	cap = 0

Additional Inherited Members
Public Types inherited from sese::io::Stream
typedef std::shared_ptr< Stream >	Ptr
Public Types inherited from sese::io::InputStream
typedef std::shared_ptr< InputStream >	Ptr
Public Types inherited from sese::io::OutputStream
typedef std::shared_ptr< OutputStream >	Ptr
Public Types inherited from sese::io::PeekableStream
typedef std::shared_ptr< PeekableStream >	Ptr

Detailed Description

Byte buffer class.

Constructor & Destructor Documentation

AbstractByteBuffer() [1/3]

sese::io::AbstractByteBuffer::AbstractByteBuffer ( size_t base_size = STREAM_BYTE_STREAM_SIZE_FACTOR, size_t factor = STREAM_BYTE_STREAM_SIZE_FACTOR )

explicit

Parameters

base_size	Initial node memory size
factor	Size of additional memory nodes

References cap, currentReadNode, currentWriteNode, factor, and root.

AbstractByteBuffer() [2/3]

sese::io::AbstractByteBuffer::AbstractByteBuffer ( const AbstractByteBuffer & abstract_byte_buffer )

noexcept

Copy.

References sese::io::AbstractByteBuffer::Node::buffer, sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentWriteNode, sese::io::AbstractByteBuffer::Node::length, sese::io::AbstractByteBuffer::Node::next, and root.

AbstractByteBuffer() [3/3]

sese::io::AbstractByteBuffer::AbstractByteBuffer ( AbstractByteBuffer && abstract_byte_buffer )

noexcept

Mobile semantics.

References cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, factor, length, sese::io::AbstractByteBuffer::Node::length, and root.

~AbstractByteBuffer()

sese::io::AbstractByteBuffer::~AbstractByteBuffer ( )

override

References sese::io::AbstractByteBuffer::Node::next, and root.

Member Function Documentation

eof()

bool sese::io::AbstractByteBuffer::eof ( )

virtual

Whether there is readable data.

Reimplemented in sese::io::ByteBuffer.

References currentReadNode, currentReadPos, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

Referenced by sese::io::ByteBuffer::eof().

freeCapacity()

size_t sese::io::AbstractByteBuffer::freeCapacity ( )

virtual

Release all nodes before CurrentReadNode

Returns

Actual released space in bytes

Reimplemented in sese::io::ByteBuffer.

References sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, sese::io::AbstractByteBuffer::Node::length, sese::io::AbstractByteBuffer::Node::next, and root.

Referenced by sese::io::ByteBuffer::freeCapacity().

getCapacity()

size_t sese::io::AbstractByteBuffer::getCapacity ( ) const

nodiscardvirtual

Returns

Total capacity of all nodes

Reimplemented in sese::io::ByteBuffer.

References cap.

Referenced by sese::io::ByteBuffer::getCapacity().

getLength()

size_t sese::io::AbstractByteBuffer::getLength ( ) const

nodiscardvirtual

Returns

Total memory used by all nodes

Reimplemented in sese::io::ByteBuffer.

References currentWriteNode, length, and sese::io::AbstractByteBuffer::Node::length.

Referenced by sese::io::ByteBuffer::getLength(), and sese::internal::net::http::HttpClientImpl::request().

getReadableSize()

size_t sese::io::AbstractByteBuffer::getReadableSize ( ) const

nodiscardvirtual

Returns

Total readable bytes

References sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

peek()

int64_t sese::io::AbstractByteBuffer::peek ( void * buffer, size_t length )

overridevirtual

Read content without stepping

Parameters

buffer	Buffer
length	Buffer size

Returns

Actual size read

Implements sese::io::PeekableStream.

Reimplemented in sese::io::ByteBuffer.

References sese::io::AbstractByteBuffer::Node::buffer, currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

Referenced by sese::service::TcpTransporter::onWrite(), sese::io::ByteBuffer::peek(), sese::iocp::v1::Context::peek(), sese::_windows::iocp::v1::NativeIOCPServer::postWrite(), sese::internal::net::http::HttpClientImpl::writeBodyByAuto(), and sese::internal::net::http::HttpClientImpl::writeHeader().

read()

int64_t sese::io::AbstractByteBuffer::read ( void * buffer, size_t len )

overridevirtual

Implements sese::io::InputStream.

Reimplemented in sese::io::ByteBuffer.

References sese::io::AbstractByteBuffer::Node::buffer, currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

Referenced by sese::MD5Util::encode(), sese::SHA1Util::encode(), sese::SHA256Util::encode(), sese::io::ByteBuffer::read(), and sese::iocp::v1::Context::read().

resetPos()

void sese::io::AbstractByteBuffer::resetPos ( )

virtual

Reset the read position.

Reimplemented in sese::io::ByteBuffer.

References currentReadNode, currentReadPos, and root.

Referenced by sese::io::ByteBuffer::resetPos(), and sese::internal::net::http::HttpClientImpl::writeHeader().

swap()

void sese::io::AbstractByteBuffer::swap ( AbstractByteBuffer & other )

virtualnoexcept

References cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, length, and root.

trunc()

int64_t sese::io::AbstractByteBuffer::trunc ( size_t length )

overridevirtual

Step only, without reading content

Parameters

length

Step size

Returns

Actual step size

Implements sese::io::PeekableStream.

Reimplemented in sese::io::ByteBuffer.

References currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

Referenced by sese::io::ByteBuffer::trunc(), sese::iocp::v1::Context::trunc(), sese::internal::net::http::HttpClientImpl::writeBodyByAuto(), and sese::internal::net::http::HttpClientImpl::writeHeader().

write()

int64_t sese::io::AbstractByteBuffer::write ( const void * buffer, size_t len )

overridevirtual

Implements sese::io::OutputStream.

Reimplemented in sese::io::ByteBuffer.

References sese::io::AbstractByteBuffer::Node::buffer, cap, sese::io::AbstractByteBuffer::Node::cap, currentWriteNode, currentWritePos, factor, length, sese::io::AbstractByteBuffer::Node::length, and sese::io::AbstractByteBuffer::Node::next.

Referenced by sese::_windows::iocp::v1::NativeContext::write(), sese::io::ByteBuffer::write(), and sese::iocp::v1::Context::write().

Member Data Documentation

cap

size_t sese::io::AbstractByteBuffer::cap = 0

private

Referenced by AbstractByteBuffer(), AbstractByteBuffer(), getCapacity(), swap(), and write().

currentReadNode

Node* sese::io::AbstractByteBuffer::currentReadNode = nullptr

private

Referenced by AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), eof(), freeCapacity(), getReadableSize(), peek(), read(), resetPos(), swap(), and trunc().

currentReadPos

size_t sese::io::AbstractByteBuffer::currentReadPos = 0

private

Referenced by AbstractByteBuffer(), eof(), freeCapacity(), getReadableSize(), peek(), read(), resetPos(), swap(), and trunc().

currentWriteNode

Node* sese::io::AbstractByteBuffer::currentWriteNode = nullptr

private

Referenced by AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), freeCapacity(), getLength(), getReadableSize(), peek(), read(), swap(), trunc(), and write().

currentWritePos

size_t sese::io::AbstractByteBuffer::currentWritePos = 0

private

Referenced by AbstractByteBuffer(), freeCapacity(), getReadableSize(), swap(), and write().

factor

size_t sese::io::AbstractByteBuffer::factor = 0

private

Referenced by AbstractByteBuffer(), AbstractByteBuffer(), and write().

length

size_t sese::io::AbstractByteBuffer::length = 0

private

length does not count the last node, the real length should be: realLength = length + currentWriteNode->length

Referenced by AbstractByteBuffer(), getLength(), swap(), and write().

root

Node* sese::io::AbstractByteBuffer::root = nullptr

private

Referenced by AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), freeCapacity(), resetPos(), swap(), and ~AbstractByteBuffer().

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

• sese/io/AbstractByteBuffer.h
• sese/io/AbstractByteBuffer.cpp