Parse an IPv4 packet. More...

#include <senf/Packets/DefaultBundle/IPv4Packet.hh>

Inheritance diagram for senf::IPv4PacketParser:

Public Types
typedef UInt16Parser	length_t

typedef UInt16Parser	identifier_t

typedef UInt8Parser	ttl_t

typedef UInt8Parser	protocol_t

typedef UInt16Parser	checksum_t

typedef INet4AddressParser	source_t

typedef INet4AddressParser	destination_t

Public Types inherited from senf::PacketParserBase
typedef detail::packet::iterator	data_iterator
	Raw data iterator type. More...

typedef detail::packet::size_type	size_type
	Unsigned integral type. More...

typedef detail::packet::difference_type	difference_type
	Signed integral type. More...

typedef detail::packet::byte	byte
	Unsigned 8bit value, the raw value type. More...

typedef PacketData *	state_type
	Type of the 'state' parameter. More...

typedef PacketParserBase	parser_base_type
	Base type of the next parser. More...

Public Member Functions
senf::UIntFieldParser<?,?+4 >	version () const

senf::UIntFieldParser<?,?+4 >	ihl () const

senf::UIntFieldParser<?,?+6 >	dscp () const

senf::UIntFieldParser<?,?+2 >	ecn () const

UInt16Parser	length () const

UInt16Parser	identifier () const

senf::FlagParser<?>	df () const

senf::FlagParser<?>	mf () const

senf::UIntFieldParser<?,?+13 >	frag () const

UInt8Parser	ttl () const

UInt8Parser	protocol () const

UInt16Parser	checksum () const

INet4AddressParser	source () const

INet4AddressParser	destination () const

void	init ()

boost::uint16_t	calcChecksum () const
	calculate header checksum More...

bool	validateChecksum () const
	validate header checksum More...

Public Member Functions inherited from senf::PacketParserBase
data_iterator	i () const
	Return beginning of data to parse. More...

data_iterator	i (size_type offset) const
	Return iterator offset bytes from the start. More...

state_type	state () const
	Return state of this parser. More...

PacketData &	data () const
	Access the packets raw data container. More...

void	init () const
	Default implementation. More...

Protected Member Functions
senf::FlagParser<?>	reserved () const

Protected Member Functions inherited from senf::PacketParserBase
ParserProtector	protect () const

	PacketParserBase (data_iterator i, state_type s)
	Standard constructor. More...

	PacketParserBase (data_iterator i, state_type s, size_type size)
	Size checking constructor. More...

bool	check (size_type size) const
	Check size of data container. More...

void	validate (size_type size) const
	Validate size of data container. More...

template<class Parser >
Parser	parse (data_iterator i) const
	Create sub-parser. More...

template<class Parser , class Arg >
Parser	parse (Arg const &arg, data_iterator i) const
	Create sub-parser. More...

template<class Parser >
Parser	parse (size_type n) const
	Create sub-parser. More...

template<class Parser , class Arg >
Parser	parse (Arg const &arg, size_type n) const
	Create sub-parser. More...

void	defaultInit () const
	Default implementation. More...

Packet	packet () const
	Get packet this parser is parsing from. More...

void	resize (size_type oldSize, size_type newSize)
	Resize data container. More...

Detailed Description

Parse an IPv4 packet.

Parser implementing the IPv4 header.

See also: IPv4PacketType
RFC 791

Todo:: Implement options

Definition at line 52 of file IPv4Packet.hh.

Member Typedef Documentation

◆ checksum_t

typedef UInt16Parser senf::IPv4PacketParser::checksum_t

Definition at line 73 of file IPv4Packet.hh.

◆ destination_t

typedef INet4AddressParser senf::IPv4PacketParser::destination_t

Definition at line 75 of file IPv4Packet.hh.

◆ identifier_t

typedef UInt16Parser senf::IPv4PacketParser::identifier_t

Definition at line 64 of file IPv4Packet.hh.

◆ length_t

typedef UInt16Parser senf::IPv4PacketParser::length_t

Definition at line 63 of file IPv4Packet.hh.

◆ protocol_t

typedef UInt8Parser senf::IPv4PacketParser::protocol_t

Definition at line 72 of file IPv4Packet.hh.

◆ source_t

typedef INet4AddressParser senf::IPv4PacketParser::source_t

Definition at line 74 of file IPv4Packet.hh.

◆ ttl_t

typedef UInt8Parser senf::IPv4PacketParser::ttl_t

Definition at line 71 of file IPv4Packet.hh.

Member Function Documentation

◆ calcChecksum()

boost::uint16_t senf::IPv4PacketParser::calcChecksum ( ) const

calculate header checksum

calculate and return the checksum of the header

See also: senf::IpChecksum

Definition at line 37 of file IPv4Packet.cc.

◆ checksum()

UInt16Parser senf::IPv4PacketParser::checksum ( ) const

◆ destination()

INet4AddressParser senf::IPv4PacketParser::destination ( ) const

◆ df()

senf::FlagParser<?> senf::IPv4PacketParser::df ( ) const

◆ dscp()

senf::UIntFieldParser<?,?+ 6 > senf::IPv4PacketParser::dscp ( ) const

◆ ecn()

senf::UIntFieldParser<?,?+ 2 > senf::IPv4PacketParser::ecn ( ) const

◆ frag()

senf::UIntFieldParser<?,?+ 13 > senf::IPv4PacketParser::frag ( ) const

◆ identifier()

UInt16Parser senf::IPv4PacketParser::identifier ( ) const

◆ ihl()

senf::UIntFieldParser<?,?+ 4 > senf::IPv4PacketParser::ihl ( ) const

◆ init()

void senf::IPv4PacketParser::init ( )

inline

Definition at line 79 of file IPv4Packet.hh.

◆ length()

UInt16Parser senf::IPv4PacketParser::length ( ) const

◆ mf()

senf::FlagParser<?> senf::IPv4PacketParser::mf ( ) const

◆ protocol()

UInt8Parser senf::IPv4PacketParser::protocol ( ) const

◆ reserved()

senf::FlagParser<?> senf::IPv4PacketParser::reserved ( ) const

protected

◆ source()

INet4AddressParser senf::IPv4PacketParser::source ( ) const

◆ ttl()

UInt8Parser senf::IPv4PacketParser::ttl ( ) const

◆ validateChecksum()

bool senf::IPv4PacketParser::validateChecksum ( ) const