whisper_library::EthernetHeader Class Reference

Represents an ethernet header. More...

Public Member Functions
	EthernetHeader ()
	Constructor that initializes the header with 0.
	EthernetHeader (unsigned char *header)
	Constructor that initializees the header with the given char array. More...
	~EthernetHeader ()
	Destructor.
string	sourceMAC ()
	Returns the source mac address in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :)
string	destinationMAC ()
	Returns the destination mac address in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :)
unsigned long	ethernetType ()
	Returns the ethernet type (2048<-> ipv4)
void	setSourceMAC (string mac)
	Sets the source mac address in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :)
void	setSourceMAC (unsigned char *char_array)
	Sets the source mac address. More...
void	setDestinationMAC (string mac)
	Sets the destination mac address in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :)
void	setDestinationMAC (unsigned char *char_array)
	Sets the destination mac address. More...
void	setEthernetType (unsigned long type)
	Sets the ethernet type (2048<-> ipv4)
vector< bool >	toVector ()
	Returns the content of the header as binary in little endian.
string	toString ()
	Creates a string which lists all fields and values in humanly readable form. More...

Static Public Member Functions
static string	toMacString (unsigned char *buffer)
	Converts a binary mac address to a string in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :) More...

Private Member Functions
unsigned char	hexToInt (string hex)
	Converts hexadecimal to decimal. More...

Static Private Member Functions
static string	intToHex (unsigned int i)
	Converts an integer to hexadecimal. More...

Private Attributes
unsigned char *	m_head
	holds the 14 byte header

Detailed Description

Represents an ethernet header.

This class provides getters and setters for all ethernet header fields (IEEE 802.3 without extensions) The content is exported as binary by using 'toVector'.

Constructor & Destructor Documentation

whisper_library::EthernetHeader::EthernetHeader

(

unsigned char *

header

)

Constructor that initializees the header with the given char array.

Parameters

header

pointer to char array of 14 byte (char <-> 1 byte)

Member Function Documentation

unsigned char whisper_library::EthernetHeader::hexToInt ( string  hex )

private

Converts hexadecimal to decimal.

Parameters

hex	hexadecimal string, maximum 1 byte

Returns

decimal representation of given hex

string whisper_library::EthernetHeader::intToHex ( unsigned int  i )

staticprivate

Converts an integer to hexadecimal.

Parameters

i	Integer you want to convert

Returns

String representing the integer as hex

void whisper_library::EthernetHeader::setDestinationMAC

(

unsigned char *

char_array

)

Sets the destination mac address.

Parameters

char_array

pointer to a char array of 6 bytes

void whisper_library::EthernetHeader::setSourceMAC

(

unsigned char *

char_array

)

Sets the source mac address.

Parameters

char_array

pointer to a char array of 6 bytes

string whisper_library::EthernetHeader::toMacString ( unsigned char *  buffer )

static

Converts a binary mac address to a string in the format ff:ff:ff:ff:ff:ff (hexadecimal, bytes seperated by :)

Parameters

buffer

pointer to a char array of 6 byte

Returns

mac address as string

string whisper_library::EthernetHeader::toString

(

)

Creates a string which lists all fields and values in humanly readable form.

Returns

String with all field values