vtuple

package

v1.5.0 Latest Latest Go to latest Published: Jul 29, 2025 License: Apache-2.0 Imports: 2 Imported by: 0

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Redistributable license
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Stable version
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Repository

github.com/cilium/tetragon

Links

Documentation ¶

Overview ¶

helper functions to manage 5-tuples

Index ¶

Constants
func StringRep(vt VTuple) string
type Impl
type UnknownV4ProtocolError
- func (e *UnknownV4ProtocolError) Error() string
type VTuple

Constants ¶

View Source

const (
	VT_IP4     = 0x4000
	VT_IP6     = 0x6000
	VT_L3_MASK = 0xff00

	// Let's use the actual TCP/UDP nextheader ids because why not?
	VT_TCP     = 0x06
	VT_UDP     = 0x11
	VT_L4_MASK = 0xff

	VT_TCP4 = VT_IP4 | VT_TCP
	VT_TCP6 = VT_IP6 | VT_TCP
	VT_UDP4 = VT_IP4 | VT_UDP
	VT_UDP6 = VT_IP6 | VT_UDP
)

Variables ¶

This section is empty.

Functions ¶

func StringRep ¶

func StringRep(vt VTuple) string

Types ¶

type Impl ¶

type Impl struct {
	// contains filtered or unexported fields
}

func CreateTCPv4 ¶

func CreateTCPv4(saddr [4]byte, sport uint16, daddr [4]byte, dport uint16) Impl

func CreateUDPv4 ¶

func CreateUDPv4(saddr [4]byte, sport uint16, daddr [4]byte, dport uint16) Impl

func CreateVTupleV4 ¶

func CreateVTupleV4(proto byte, saddr [4]byte, sport uint16, daddr [4]byte, dport uint16) (Impl, error)

func (*Impl) DstAddr ¶

func (t *Impl) DstAddr() net.IP

func (*Impl) DstPort ¶

func (t *Impl) DstPort() uint16

func (*Impl) IsIP4 ¶

func (t *Impl) IsIP4() bool

func (*Impl) IsIP6 ¶

func (t *Impl) IsIP6() bool

func (*Impl) IsTCP ¶

func (t *Impl) IsTCP() bool

func (*Impl) IsUDP ¶

func (t *Impl) IsUDP() bool

func (*Impl) SrcAddr ¶

func (t *Impl) SrcAddr() net.IP

func (*Impl) SrcPort ¶

func (t *Impl) SrcPort() uint16

type UnknownV4ProtocolError ¶ added in v1.5.0

type UnknownV4ProtocolError struct {
	// contains filtered or unexported fields
}

func (*UnknownV4ProtocolError) Error ¶ added in v1.5.0

func (e *UnknownV4ProtocolError) Error() string

type VTuple ¶

type VTuple interface {
	IsUDP() bool
	IsTCP() bool
	IsIP4() bool
	IsIP6() bool

	SrcAddr() net.IP
	DstAddr() net.IP
	SrcPort() uint16
	DstPort() uint16
}

Source Files ¶

View all Source files

vtuple.go

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