common

Documentation

Index

• Constants
• Variables
• func Checksum(b []byte) []byte
• func CreateMessage(content []byte) ([]byte, error)
• func MessageContent(b []byte) ([]byte, error)

Constants

const (
	ACK  = 0x00
	NACK = 0xFF
)

Acknoledgement

Variables

var ErrLength = errors.New("message too long")

ErrLength happens when message length is equal or over 256*256

var Sequence = []byte{0x2A, 0x00, 0x2A, 0x00}

Sequence used to start and end a message

Functions

func Checksum

func Checksum(b []byte) []byte

Checksum returns a custom checksum for the given data

func CreateMessage

func CreateMessage(content []byte) ([]byte, error)

CreateMessage encodes the message

func MessageContent

func MessageContent(b []byte) ([]byte, error)

MessageContent verifies a message and extracts its content