DNS 包对象更多...

#include <DnsPackage.h>

类
struct	Answer
	DNS 应答更多...

struct	DnsHeader

struct	Flags
	DNS Flags 工具更多...

class	Index
	DNS 打包压缩索引更多...

struct	Question
	DNS 请求更多...

Public 类型
using	Authority = Answer
	DNS 权威应答

using	Additional = Answer
	DNS 附加应答

using	Ptr = std::shared_ptr<DnsPackage>

Public 成员函数
Index	buildIndex ()

bool	encode (void *buffer, size_t &length, Index &index) const

std::vector< Question > &	getQuestions ()

std::vector< Answer > &	getAnswers ()

std::vector< Authority > &	getAuthorities ()

std::vector< Additional > &	getAdditionals ()

auto	getId () const

auto	getFlags () const

void	setId (uint16_t id)

void	setFlags (uint16_t flags)

静态 Public 成员函数
static Ptr	new_ ()

static Ptr	decode (const uint8_t *buffer, size_t length)

Private 成员函数
	DnsPackage ()=default

静态 Private 成员函数
static std::string	decodeWords (const uint8_t *buffer, size_t length, size_t &offset)

static bool	decodeAnswers (std::vector< Answer > &answers, size_t expect_size, const uint8_t *buffer, size_t length, size_t &pos)

static std::string	encodeWords (const std::string &fullname)

static bool	encodeQuestions (const std::vector< Question > &questions, void *buffer, size_t &length, Index &index, size_t offset)

static bool	encodeAnswers (const std::vector< Answer > &answers, void *buffer, size_t &length, Index &index, size_t offset)

Private 属性
struct sese::net::dns::DnsPackage::DnsHeader	header

std::vector< Question >	questions

std::vector< Answer >	answers

std::vector< Authority >	authorities

std::vector< Additional >	additionals

详细描述

DNS 包对象

成员类型定义说明

◆ Additional

using sese::net::dns::DnsPackage::Additional = Answer

DNS 附加应答

◆ Authority

using sese::net::dns::DnsPackage::Authority = Answer

DNS 权威应答

◆ Ptr

using sese::net::dns::DnsPackage::Ptr = std::shared_ptr<DnsPackage>

构造及析构函数说明

◆ DnsPackage()

sese::net::dns::DnsPackage::DnsPackage ( )

privatedefault

被这些函数引用 new_().

成员函数说明

◆ buildIndex()

DnsPackage::Index DnsPackage::buildIndex ( )

获取 DNS 打包压缩索引

返回: 索引

引用了 additionals, answers, authorities , 以及 questions.

◆ decode()

DnsPackage::Ptr DnsPackage::decode	(	const uint8_t *	buffer,
		size_t	length )

static

解析 DNS 原始包

参数

buffer	DNS 包缓存
length	缓存大小

返回: 成功返回对象，反之返回nullptr

引用了 sese::net::dns::DnsPackage::Question::class_, DECODE_HEADER, decodeAnswers(), decodeWords(), FromBigEndian16(), sese::net::dns::DnsPackage::Question::name, new_() , 以及 sese::net::dns::DnsPackage::Question::type.

被这些函数引用 sese::internal::net::service::dns::DnsService::handle().

◆ decodeAnswers()

bool DnsPackage::decodeAnswers	(	std::vector< Answer > &	answers,
		size_t	expect_size,
		const uint8_t *	buffer,
		size_t	length,
		size_t &	pos )

staticprivate

引用了 answers, sese::net::dns::DnsPackage::Answer::class_, sese::net::dns::DnsPackage::Answer::data, sese::net::dns::DnsPackage::Answer::data_length, decodeWords(), FromBigEndian16(), FromBigEndian32(), sese::net::dns::DnsPackage::Answer::name, sese::net::dns::DnsPackage::Answer::ttl , 以及 sese::net::dns::DnsPackage::Answer::type.

被这些函数引用 decode().

◆ decodeWords()

std::string DnsPackage::decodeWords	(	const uint8_t *	buffer,
		size_t	length,
		size_t &	offset )

staticprivate

解码 DNS 名称

警告: 注意此函数会进行递归调用解码多级指针

参数

buffer	完整 buffer
length	buffer 大小
offset	需要解码的偏移位置，解码完成后停留在 00 位置

返回: 解码后字符串

引用了 sese::text::AbstractStringBuffer::append(), decodeWords(), FromBigEndian16() , 以及 sese::text::AbstractStringBuffer::toString().

被这些函数引用 decode(), decodeAnswers() , 以及 decodeWords().

◆ encode()

bool DnsPackage::encode	(	void *	buffer,
		size_t &	length,
		Index &	index ) const

将 DNS 包编码至缓存

参数

buffer	输出缓存
length	输出缓存大小，执行成功将返回实际所用大小；若输入0则计算所需缓存大小，不执行实际打包操作
index	DNS 打包压缩索引

返回: 是否执行成功

引用了 additionals, answers, authorities, sese::net::dns::DnsPackage::Index::clearPos(), encodeAnswers(), encodeQuestions(), sese::net::dns::DnsPackage::DnsHeader::flags, header, sese::net::dns::DnsPackage::DnsHeader::id, questions , 以及 ToBigEndian16().

◆ encodeAnswers()

bool DnsPackage::encodeAnswers	(	const std::vector< Answer > &	answers,
		void *	buffer,
		size_t &	length,
		Index &	index,
		size_t	offset )

staticprivate

引用了 answers, sese::net::dns::DnsPackage::Index::compress_mapping, encodeWords(), sese::net::dns::DnsPackage::Index::encodeWords(), ToBigEndian16() , 以及 ToBigEndian32().

被这些函数引用 encode().

◆ encodeQuestions()

bool DnsPackage::encodeQuestions	(	const std::vector< Question > &	questions,
		void *	buffer,
		size_t &	length,
		Index &	index,
		size_t	offset )

staticprivate

引用了 sese::net::dns::DnsPackage::Index::compress_mapping, encodeWords(), sese::net::dns::DnsPackage::Index::encodeWords(), questions , 以及 ToBigEndian16().

被这些函数引用 encode().

◆ encodeWords()

std::string DnsPackage::encodeWords ( const std::string & fullname )

staticprivate

引用了 sese::text::AbstractStringBuffer::append(), sese::text::AbstractStringBuffer::split() , 以及 sese::text::AbstractStringBuffer::toString().

被这些函数引用 encodeAnswers() , 以及 encodeQuestions().

◆ getAdditionals()

std::vector< Additional > & sese::net::dns::DnsPackage::getAdditionals ( )

inlinenodiscard

引用了 additionals.

◆ getAnswers()

std::vector< Answer > & sese::net::dns::DnsPackage::getAnswers ( )

inlinenodiscard

引用了 answers.

◆ getAuthorities()

std::vector< Authority > & sese::net::dns::DnsPackage::getAuthorities ( )

inlinenodiscard

引用了 authorities.

◆ getFlags()

auto sese::net::dns::DnsPackage::getFlags ( ) const

inlinenodiscard

引用了 sese::net::dns::DnsPackage::DnsHeader::flags , 以及 header.

◆ getId()

auto sese::net::dns::DnsPackage::getId ( ) const

inlinenodiscard

引用了 header , 以及 sese::net::dns::DnsPackage::DnsHeader::id.

◆ getQuestions()

std::vector< Question > & sese::net::dns::DnsPackage::getQuestions ( )

inlinenodiscard

引用了 questions.

◆ new_()

DnsPackage::Ptr DnsPackage::new_ ( )

static

返回: 空 DNS 打包压缩索引

引用了 DnsPackage().

被这些函数引用 decode(), sese::internal::net::service::dns::DnsService::handle() , 以及 sese::net::dns::Resolver::resolve().

◆ setFlags()

void sese::net::dns::DnsPackage::setFlags ( uint16_t flags )

inline

引用了 sese::net::dns::DnsPackage::DnsHeader::flags , 以及 header.

◆ setId()

void sese::net::dns::DnsPackage::setId ( uint16_t id )

inline

引用了 header , 以及 sese::net::dns::DnsPackage::DnsHeader::id.

类成员变量说明

◆ additionals

std::vector<Additional> sese::net::dns::DnsPackage::additionals

private

被这些函数引用 buildIndex(), encode() , 以及 getAdditionals().

◆ answers

std::vector<Answer> sese::net::dns::DnsPackage::answers

private

被这些函数引用 buildIndex(), decodeAnswers(), encode(), encodeAnswers() , 以及 getAnswers().

◆ authorities

std::vector<Authority> sese::net::dns::DnsPackage::authorities

private

被这些函数引用 buildIndex(), encode() , 以及 getAuthorities().

◆ header

struct sese::net::dns::DnsPackage::DnsHeader sese::net::dns::DnsPackage::header

private

被这些函数引用 encode(), getFlags(), getId(), setFlags() , 以及 setId().

◆ questions

std::vector<Question> sese::net::dns::DnsPackage::questions

private

被这些函数引用 buildIndex(), encode(), encodeQuestions() , 以及 getQuestions().

该类的文档由以下文件生成:

sese/net/dns/DnsPackage.h
sese/net/dns/DnsPackage.cpp

类

Public 类型

Public 成员函数

静态 Public 成员函数

Private 成员函数

静态 Private 成员函数

Private 属性

详细描述

成员类型定义说明

◆ Additional

◆ Authority

◆ Ptr

构造及析构函数说明

◆ DnsPackage()

成员函数说明

◆ buildIndex()

◆ decode()

◆ decodeAnswers()

◆ decodeWords()

◆ encode()

◆ encodeAnswers()

◆ encodeQuestions()

◆ encodeWords()

◆ getAdditionals()

◆ getAnswers()

◆ getAuthorities()

◆ getFlags()

◆ getId()

◆ getQuestions()

◆ new_()

◆ setFlags()

◆ setId()

类成员变量说明

◆ additionals

◆ answers

◆ authorities

◆ header

◆ questions