sese::io::AbstractByteBuffer类 参考

字节缓冲区类 更多...

#include <AbstractByteBuffer.h>

类 sese::io::AbstractByteBuffer 继承关系图:

类
struct	Node
	缓冲节点 更多...

Public 成员函数
	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
	拷贝
	AbstractByteBuffer (AbstractByteBuffer &&abstract_byte_buffer) noexcept
	移动语义
	~AbstractByteBuffer () override
	析构
virtual void	resetPos ()
	重置读取位置
virtual bool	eof ()
	是否有可读数据
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 成员函数 继承自 sese::io::InputStream
virtual	~InputStream () noexcept=default
Public 成员函数 继承自 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 成员函数 继承自 sese::io::PeekableStream
virtual	~PeekableStream ()=default

Private 属性
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

额外继承的成员函数
Public 类型 继承自 sese::io::Stream
typedef std::shared_ptr< Stream >	Ptr
Public 类型 继承自 sese::io::InputStream
typedef std::shared_ptr< InputStream >	Ptr
Public 类型 继承自 sese::io::OutputStream
typedef std::shared_ptr< OutputStream >	Ptr
Public 类型 继承自 sese::io::PeekableStream
typedef std::shared_ptr< PeekableStream >	Ptr

详细描述

字节缓冲区类

构造及析构函数说明

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

参数

base_size	初始节点内存大小
factor	追加内存节点大小

引用了 cap, currentReadNode, currentWriteNode, factor , 以及 root.

AbstractByteBuffer() [2/3]

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

noexcept

拷贝

根节点属性

拷贝子节点

拷贝全局属性

引用了 sese::io::AbstractByteBuffer::Node::buffer, sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentWriteNode, sese::io::AbstractByteBuffer::Node::length, sese::io::AbstractByteBuffer::Node::next , 以及 root.

AbstractByteBuffer() [3/3]

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

noexcept

移动语义

引用了 cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, factor, length, sese::io::AbstractByteBuffer::Node::length , 以及 root.

~AbstractByteBuffer()

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

override

析构

引用了 sese::io::AbstractByteBuffer::Node::next , 以及 root.

成员函数说明

eof()

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

virtual

是否有可读数据

被 sese::io::ByteBuffer 重载.

引用了 currentReadNode, currentReadPos, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

被这些函数引用 sese::io::ByteBuffer::eof().

freeCapacity()

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

virtual

释放 CurrentReadNode 前的所有节点

返回

实际释放空间，单位 “字节”

被 sese::io::ByteBuffer 重载.

引用了 sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, sese::io::AbstractByteBuffer::Node::length, sese::io::AbstractByteBuffer::Node::next , 以及 root.

被这些函数引用 sese::io::ByteBuffer::freeCapacity().

getCapacity()

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

nodiscardvirtual

返回

所有节点容量总数

被 sese::io::ByteBuffer 重载.

引用了 cap.

被这些函数引用 sese::io::ByteBuffer::getCapacity().

getLength()

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

nodiscardvirtual

返回

所有节点已用内存总数

被 sese::io::ByteBuffer 重载.

引用了 currentWriteNode, length , 以及 sese::io::AbstractByteBuffer::Node::length.

被这些函数引用 sese::io::ByteBuffer::getLength() , 以及 sese::internal::net::http::HttpClientImpl::request().

getReadableSize()

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

nodiscardvirtual

返回

可读字节总数

引用了 sese::io::AbstractByteBuffer::Node::cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

peek()

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

overridevirtual

仅读取内容，不步进

参数

buffer	缓存
length	缓存大小

返回

实际读取大小

实现了 sese::io::PeekableStream.

被 sese::io::ByteBuffer 重载.

引用了 sese::io::AbstractByteBuffer::Node::buffer, currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

被这些函数引用 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() , 以及 sese::internal::net::http::HttpClientImpl::writeHeader().

read()

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

overridevirtual

实现了 sese::io::InputStream.

被 sese::io::ByteBuffer 重载.

引用了 sese::io::AbstractByteBuffer::Node::buffer, currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

被这些函数引用 sese::MD5Util::encode(), sese::SHA1Util::encode(), sese::SHA256Util::encode(), sese::io::ByteBuffer::read() , 以及 sese::iocp::v1::Context::read().

resetPos()

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

virtual

重置读取位置

被 sese::io::ByteBuffer 重载.

引用了 currentReadNode, currentReadPos , 以及 root.

被这些函数引用 sese::io::ByteBuffer::resetPos() , 以及 sese::internal::net::http::HttpClientImpl::writeHeader().

swap()

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

virtualnoexcept

引用了 cap, currentReadNode, currentReadPos, currentWriteNode, currentWritePos, length , 以及 root.

trunc()

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

overridevirtual

仅步进，不读取内容

参数

length

步进大小

返回

实际步进大小

实现了 sese::io::PeekableStream.

被 sese::io::ByteBuffer 重载.

引用了 currentReadNode, currentReadPos, currentWriteNode, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

被这些函数引用 sese::io::ByteBuffer::trunc(), sese::iocp::v1::Context::trunc(), sese::internal::net::http::HttpClientImpl::writeBodyByAuto() , 以及 sese::internal::net::http::HttpClientImpl::writeHeader().

write()

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

overridevirtual

实现了 sese::io::OutputStream.

被 sese::io::ByteBuffer 重载.

引用了 sese::io::AbstractByteBuffer::Node::buffer, cap, sese::io::AbstractByteBuffer::Node::cap, currentWriteNode, currentWritePos, factor, length, sese::io::AbstractByteBuffer::Node::length , 以及 sese::io::AbstractByteBuffer::Node::next.

被这些函数引用 sese::_windows::iocp::v1::NativeContext::write(), sese::io::ByteBuffer::write() , 以及 sese::iocp::v1::Context::write().

类成员变量说明

cap

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

private

被这些函数引用 AbstractByteBuffer(), AbstractByteBuffer(), getCapacity(), swap() , 以及 write().

currentReadNode

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

private

被这些函数引用 AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), eof(), freeCapacity(), getReadableSize(), peek(), read(), resetPos(), swap() , 以及 trunc().

currentReadPos

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

private

被这些函数引用 AbstractByteBuffer(), eof(), freeCapacity(), getReadableSize(), peek(), read(), resetPos(), swap() , 以及 trunc().

currentWriteNode

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

private

被这些函数引用 AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), freeCapacity(), getLength(), sese::io::ByteBuffer::getLength(), getReadableSize(), peek(), read(), swap(), trunc() , 以及 write().

currentWritePos

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

private

被这些函数引用 AbstractByteBuffer(), freeCapacity(), getReadableSize(), swap() , 以及 write().

factor

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

private

被这些函数引用 AbstractByteBuffer(), AbstractByteBuffer() , 以及 write().

length

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

private

length 不计算最后一个 Node 的，真实长度应为 realLength = length + currentWriteNode->length

被这些函数引用 AbstractByteBuffer(), getLength(), swap() , 以及 write().

root

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

private

被这些函数引用 AbstractByteBuffer(), AbstractByteBuffer(), AbstractByteBuffer(), freeCapacity(), resetPos(), swap() , 以及 ~AbstractByteBuffer().

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该类的文档由以下文件生成:

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