layers

package
v0.4.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 14, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ExtnSCMPErrorFlag = 0x01
	ExtnSCMPHBHFlag   = 0x02
)
View Source 
const E2EDebugLen = common.ExtnFirstLineLen
View Source 
const OneHopPathLen = common.ExtnFirstLineLen

Variables

View Source 
var (
	LayerTypeHopByHopExtension = gopacket.RegisterLayerType(1101,
		gopacket.LayerTypeMetadata{Name: "HopByHopExtension", Decoder: nil})
	LayerTypeEndToEndExtension = gopacket.RegisterLayerType(1102,
		gopacket.LayerTypeMetadata{Name: "EndToEndExtension", Decoder: nil})
	LayerTypeSCIONUDP = gopacket.RegisterLayerType(1103,
		gopacket.LayerTypeMetadata{Name: "SCIONUDP", Decoder: nil})
	LayerTypeSCMP = gopacket.RegisterLayerType(1104,
		gopacket.LayerTypeMetadata{Name: "SCMP", Decoder: nil})
)
View Source 
var (
	LayerToHeaderMap = map[gopacket.LayerType]common.L4ProtocolType{
		LayerTypeHopByHopExtension: common.HopByHopClass,
		LayerTypeEndToEndExtension: common.End2EndClass,
		LayerTypeSCIONUDP:          common.L4UDP,
		LayerTypeSCMP:              common.L4SCMP,
	}
)

Functions

func ExtensionFactory 

func ExtensionFactory(class common.L4ProtocolType, extension *Extension) (common.Extension, error)

Types

type Extension 

type Extension struct {
	layers.BaseLayer
	NextHeader common.L4ProtocolType
	NumLines   uint8
	Type       uint8
	Data       []byte
}

func ExtensionDataToExtensionLayer 

func ExtensionDataToExtensionLayer(nextHdr common.L4ProtocolType,
	data common.Extension) (*Extension, error)

ExtensionDataToExtensionLayer build a low level extension representation from a high level interface.

func (*Extension) DecodeFromBytes 

func (e *Extension) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error

func (*Extension) SerializeTo 

func (e *Extension) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error

type ExtnE2EDebug 

type ExtnE2EDebug struct {
	ID [5]byte
}

func NewExtnE2EDebugFromLayer 

func NewExtnE2EDebugFromLayer(extension *Extension) (*ExtnE2EDebug, error)

func (ExtnE2EDebug) Class 

func (o ExtnE2EDebug) Class() common.L4ProtocolType

func (ExtnE2EDebug) Copy 

func (o ExtnE2EDebug) Copy() common.Extension

func (*ExtnE2EDebug) DecodeFromLayer 

func (o *ExtnE2EDebug) DecodeFromLayer(extension *Extension) error

func (ExtnE2EDebug) Len 

func (o ExtnE2EDebug) Len() int

func (ExtnE2EDebug) Pack 

func (o ExtnE2EDebug) Pack() (common.RawBytes, error)

func (ExtnE2EDebug) Reverse 

func (o ExtnE2EDebug) Reverse() (bool, error)

func (ExtnE2EDebug) String 

func (o ExtnE2EDebug) String() string

func (ExtnE2EDebug) Type 

func (o ExtnE2EDebug) Type() common.ExtnType

func (ExtnE2EDebug) Write 

func (o ExtnE2EDebug) Write(b common.RawBytes) error

type ExtnOHP 

type ExtnOHP struct{}

func NewExtnOHPFromLayer 

func NewExtnOHPFromLayer(extension *Extension) (*ExtnOHP, error)

func (ExtnOHP) Class 

func (o ExtnOHP) Class() common.L4ProtocolType

func (ExtnOHP) Copy 

func (o ExtnOHP) Copy() common.Extension

func (*ExtnOHP) DecodeFromLayer 

func (o *ExtnOHP) DecodeFromLayer(extension *Extension) error

func (ExtnOHP) Len 

func (o ExtnOHP) Len() int

func (ExtnOHP) Pack 

func (o ExtnOHP) Pack() (common.RawBytes, error)

func (ExtnOHP) Reverse 

func (o ExtnOHP) Reverse() (bool, error)

func (ExtnOHP) String 

func (o ExtnOHP) String() string

func (ExtnOHP) Type 

func (o ExtnOHP) Type() common.ExtnType

func (ExtnOHP) Write 

func (o ExtnOHP) Write(b common.RawBytes) error

type ExtnSCMP 

type ExtnSCMP struct {
	Error    bool
	HopByHop bool
}

func ExtnSCMPFromRaw 

func ExtnSCMPFromRaw(b common.RawBytes) (*ExtnSCMP, error)

func NewExtnSCMPFromLayer 

func NewExtnSCMPFromLayer(extension *Extension) (*ExtnSCMP, error)

func (*ExtnSCMP) Class 

func (e *ExtnSCMP) Class() common.L4ProtocolType

func (*ExtnSCMP) Copy 

func (e *ExtnSCMP) Copy() common.Extension

func (*ExtnSCMP) DecodeFromBytes 

func (e *ExtnSCMP) DecodeFromBytes(b []byte) error

func (*ExtnSCMP) DecodeFromLayer 

func (e *ExtnSCMP) DecodeFromLayer(extension *Extension) error

func (*ExtnSCMP) Len 

func (e *ExtnSCMP) Len() int

func (*ExtnSCMP) Pack 

func (e *ExtnSCMP) Pack() (common.RawBytes, error)

func (*ExtnSCMP) Reverse 

func (e *ExtnSCMP) Reverse() (bool, error)

func (*ExtnSCMP) String 

func (e *ExtnSCMP) String() string

func (*ExtnSCMP) Type 

func (e *ExtnSCMP) Type() common.ExtnType

func (*ExtnSCMP) Write 

func (e *ExtnSCMP) Write(b common.RawBytes) error

type ExtnUnknown 

type ExtnUnknown struct {
	// ClassField is the Extension class. We include it here because we cannot
	// implement the Class() method of the interface otherwise.
	ClassField common.L4ProtocolType
	TypeField  uint8
	// Length, in bytes, not including the 3-byte extension header
	Length int
}

ExtnUnknown implements common.Extension for an unknown extension.

func NewExtnUnknownFromLayer 

func NewExtnUnknownFromLayer(class common.L4ProtocolType,
	extension *Extension) (*ExtnUnknown, error)

func (ExtnUnknown) Class 

func (u ExtnUnknown) Class() common.L4ProtocolType

func (ExtnUnknown) Copy 

func (u ExtnUnknown) Copy() common.Extension

func (*ExtnUnknown) DecodeFromLayer 

func (u *ExtnUnknown) DecodeFromLayer(extension *Extension) error

func (ExtnUnknown) Len 

func (u ExtnUnknown) Len() int

func (ExtnUnknown) Pack 

func (u ExtnUnknown) Pack() (common.RawBytes, error)

func (ExtnUnknown) Reverse 

func (u ExtnUnknown) Reverse() (bool, error)

func (ExtnUnknown) String 

func (u ExtnUnknown) String() string

func (ExtnUnknown) Type 

func (u ExtnUnknown) Type() common.ExtnType

func (ExtnUnknown) Write 

func (u ExtnUnknown) Write(b common.RawBytes) error

Source Files

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