l4

package

v0.5.0 Latest Latest Go to latest Published: Mar 30, 2020 License: Apache-2.0 Imports: 4 Imported by: 0

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Repository

github.com/scionproto/scion

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func CalcCSum(h L4Header, addr, pld common.RawBytes) (common.RawBytes, error)
func CheckCSum(h L4Header, addr, pld common.RawBytes) error
func SetCSum(h L4Header, addr, pld common.RawBytes) error
type L4Header
type TCP
- func (t *TCP) String() string
type UDP
- func UDPFromRaw(b common.RawBytes) (*UDP, error)

Constants ¶

View Source

const ErrInvalidChksum common.ErrMsg = "Invalid L4 checksum"

View Source

const (
	UDPLen = 8
)

Variables ¶

This section is empty.

Functions ¶

func CalcCSum ¶

func CalcCSum(h L4Header, addr, pld common.RawBytes) (common.RawBytes, error)

func CheckCSum ¶

func CheckCSum(h L4Header, addr, pld common.RawBytes) error

func SetCSum ¶

func SetCSum(h L4Header, addr, pld common.RawBytes) error

Types ¶

type L4Header ¶

type L4Header interface {
	fmt.Stringer
	L4Type() common.L4ProtocolType
	L4Len() int
	SetPldLen(int)
	GetCSum() common.RawBytes
	SetCSum(common.RawBytes)
	Copy() L4Header
	Write(common.RawBytes) error
	Pack(csum bool) (common.RawBytes, error)
	Validate(plen int) error
	Reverse()
}

type TCP ¶

type TCP struct{}

func (*TCP) String ¶

func (t *TCP) String() string

type UDP ¶

type UDP struct {
	SrcPort  uint16
	DstPort  uint16
	TotalLen uint16
	Checksum common.RawBytes `struct:"[2]byte"`
}

func UDPFromRaw ¶

func UDPFromRaw(b common.RawBytes) (*UDP, error)

func (*UDP) Copy ¶

func (u *UDP) Copy() L4Header

func (*UDP) GetCSum ¶

func (u *UDP) GetCSum() common.RawBytes

func (*UDP) L4Len ¶

func (u *UDP) L4Len() int

func (*UDP) L4Type ¶

func (u *UDP) L4Type() common.L4ProtocolType

func (*UDP) Pack ¶

func (u *UDP) Pack(csum bool) (common.RawBytes, error)

func (*UDP) Parse ¶

func (u *UDP) Parse(b common.RawBytes) error

func (*UDP) Reverse ¶

func (u *UDP) Reverse()

func (*UDP) SetCSum ¶

func (u *UDP) SetCSum(csum common.RawBytes)

func (*UDP) SetPldLen ¶

func (u *UDP) SetPldLen(pldLen int)

func (*UDP) String ¶

func (u *UDP) String() string

func (*UDP) Validate ¶

func (u *UDP) Validate(plen int) error

func (*UDP) Write ¶

func (u *UDP) Write(b common.RawBytes) error

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
mock_l4 Package mock_l4 is a generated GoMock package.	Package mock_l4 is a generated GoMock package.

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