#include <netinet/in.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "endianconv.h"

Include dependency graph for endianconv.c:

Functions
int	AddDintToMessage (const EipUint32 data, EipUint8 **const buffer)
	Converts UINT32 data from host to little endian and writes it to buffer. More...

int	AddIntToMessage (const EipUint16 data, EipUint8 **const buffer)
	converts UINT16 data from host to little endian an writes it to buffer. More...

int	AddSintToMessage (const EipUint8 data, EipUint8 **const buffer)
	converts UINT8 data from host to little endian an writes it to buffer. More...

void	DetermineEndianess ()
	Detects Endianess of the platform and sets global g_nOpENerPlatformEndianess variable accordingly. More...

int	EncapsulateIpAddress (EipUint16 port, EipUint32 address, EipByte **communication_buffer)
	Encapsulate the sockaddr information as necessary for the Common Packet Format data items. More...

int	FillNextNMessageOctetsWith (CipOctet value, unsigned int amount_of_bytes_written, CipOctet **message)

int	FillNextNMessageOctetsWithValueAndMoveToNextPosition (CipOctet value, unsigned int amount_of_filled_bytes, CipOctet **message)

CipByte	GetByteFromMessage (const CipOctet **const buffer_address)

EipUint32	GetDintFromMessage (const EipUint8 **const buffer)
	Reads EIP_UINT32 from *buffer and converts little endian to host. More...

int	GetEndianess ()
	Returns global variable g_nOpENerPlatformEndianess, whereas 0 equals little endian and 1 equals big endian. More...

EipUint16	GetIntFromMessage (const EipUint8 **const buffer)
	Reads EIP_UINT16 from *buffer and converts little endian to host. More...

EipUint8	GetSintFromMessage (const EipUint8 **const buffer)
	Reads EIP_UINT8 from *buffer and converts little endian to host. More...

CipUdint	GetUdintFromMessage (const CipOctet **const buffer_address)

CipUint	GetUintFromMessage (const CipOctet **const buffer_address)

CipUsint	GetUsintFromMessage (const CipOctet **const buffer_address)

CipWord	GetWordFromMessage (const CipOctet **const buffer_address)

int	MoveMessageNOctets (const int amount_of_bytes_moved, const CipOctet **message_runner)

Variables
OpenerEndianess	g_opener_platform_endianess = kOpenerEndianessUnknown

Function Documentation

void DetermineEndianess ( void )

Detects Endianess of the platform and sets global g_nOpENerPlatformEndianess variable accordingly.

Detects Endianess of the platform and sets global variable g_nOpENerPlatformEndianess accordingly, whereas 0 equals little endian and 1 equals big endian

Definition at line 239 of file endianconv.c.

References g_opener_platform_endianess, kOpENerEndianessBig, and kOpENerEndianessLittle.

Referenced by EncapsulationInit().

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int EncapsulateIpAddress	(	EipUint16	port,
		EipUint32	address,
		EipByte **	communication_buffer
	)

Encapsulate the sockaddr information as necessary for the Common Packet Format data items.

Converts and adds the provided port and IP address into an common packet format message

Parameters

port	Port of the socket, has to be provided in big-endian
address	IP address of the socket, has to be provided in big-endian
communication_buffer	The message buffer for sending the message

Definition at line 197 of file endianconv.c.

References AddDintToMessage(), AddIntToMessage(), g_opener_platform_endianess, kOpENerEndianessBig, and kOpENerEndianessLittle.

Referenced by AssembleLinearMessage(), and EncapsulateListIdentityResponseMessage().

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