fserde

package module
v0.0.0-...-3cc22ef Latest Latest
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 Go to latest Published: Sep 8, 2025 License: BSD-3-Clause Imports: 11 Imported by: 0

Documentation

Overview

The FrameSerde (fserde) package provides a framework to deserialize/serialize frames from text string format to a binary byte slice or binary to text string.

Serialize - Converts a ethernet binary frame to a text string. ToString Deserialize - Converts a ethernet text string to a binary ethernet frame. ToBinary

Index

Constants

View Source 
const (
	EtherTypeIPv4   = 0x0800 // IPv4 EtherType value
	EtherTypeIPv6   = 0x86dd // IPv6 EtherType value
	EtherTypeARP    = 0x0806 // ARP EtherType value
	Dot1QID         = 0x8100 // IEEE 802.1Q VLAN ID EtherType value
	QinQID          = 0x88a8 // IEEE 802.1Q QinQ VLAN ID EtherType value
	HardwareAddrLen = 6      // Length of hardware MAC address
	MinPacketLen    = 60     // Minimum Ethernet frame length without FCS
	MaxPacketLen    = 1514   // Maximum Ethernet frame length without FCS
	ProtocolUDP     = 17     // UDP protocol number
	ProtocolTCP     = 6      // TCP protocol number
	ProtocolIPv4    = 4      // IPv4 protocol number
	ProtocolIPv6    = 41     // IPv6 protocol number
	ProtocolICMPv4  = 1      // ICMPv4 protocol number
	ProtocolICMPv6  = 58     // ICMPv6 protocol number
)
View Source 
const (
	ProtoL2 = iota
	ProtoL3
	ProtoL4
	ProtoL5
	ProtoL6
	ProtoL7
	MaxProtocols
)
View Source 
const (
	Tag8021Q   = 0x8100
	DefaultVid = 0x0001
)
View Source 
const (
	NormalFrameType = iota
	DefaultFrameType
	AllFrameTypes
)
View Source 
const (
	ICMPv4MinLen = 8
	ICMPv6MinLen = 40
)
View Source 
const (
	IPv4MinLen    = 20
	IPv4DefaultID = 1234
	DefaultTTL    = 64
)
View Source 
const (
	TCPMinLen         = 20
	TCPHeaderLen      = 20
	TCPDefaultLen     = 20
	TCPChecksumOffset = 16
)
View Source 
const (
	TCPFinFlag = 1 << iota
	TCPSynFlag
	TCPRstFlag
	TCPPshFlag
	TCPAckFlag
	TCPUrgFlag
	TCPEceFlag
	TCPCwrFlag
)

Flags that may be set in a TCP segment.

View Source 
const (
	UDPHeaderLen      = 8
	UDPDefaultLen     = 8
	UDPChecksumOffset = 6
)

Variables

View Source 
var LayerNames = [...]LayerName{
	LayerEther,
	LayerDot1Q,
	LayerQinQ,
	LayerDot1AD,
	LayerIPv4,
	LayerIPv6,
	LayerTCP,
	LayerUDP,
	LayerICMPv4,
	LayerICMPv6,
	LayerSCTP,
	LayerVxLan,
	LayerEcho,
	LayerTSC,
	LayerPayload,
	LayerDefaults,
	LayerCount,
	LayerDone,
}

Functions

func IPv4AddrChecksum 

func IPv4AddrChecksum(hdr *ipv4.Header) uint32

func IPv4HeaderChecksum 

func IPv4HeaderChecksum(hdr *ipv4.Header) uint16

IPv4HeaderChecksum calculates checksum of IP header

func IPv4ICMPChecksum 

func IPv4ICMPChecksum(hdr *ipv4.Header, icmp *ICMPHeader, data []byte) uint16

IPv4ICMPChecksum calculates ICMP checksum in case if L3 protocol is IPv4.

func IPv4TCPChecksum 

func IPv4TCPChecksum(ip *ipv4.Header, tcp *TCPHdr, data []byte) uint16

IPv4TCPChecksum calculates TCP checksum for case if L3 protocol is IPv4. Here data pointer should point to end of minimal TCP header because we consider TCP options as part of data.

func IPv4UDPChecksum 

func IPv4UDPChecksum(ip *ipv4.Header, udp *UDPHdr, data []byte) uint16

IPv4UDPChecksum calculates UDP checksum for case if L3 protocol is IPv4.

func IPv6AddrChecksum 

func IPv6AddrChecksum(ip *ipv6.Header) uint32

func IPv6ICMPChecksum 

func IPv6ICMPChecksum(ip *ipv6.Header, icmp *ICMPHeader, data []byte) uint16

IPv6ICMPChecksum calculates ICMP checksum in case if L3 protocol is IPv6.

func IPv6TCPChecksum 

func IPv6TCPChecksum(ip *ipv6.Header, tcp *TCPHdr, data []byte) uint16

IPv6TCPChecksum calculates TCP checksum for case if L3 protocol is IPv6.

func IPv6UDPChecksum 

func IPv6UDPChecksum(ip *ipv6.Header, udp *UDPHdr, data []byte) uint16

IPv6UDPChecksum calculates UDP checksum for case if L3 protocol is IPv6.

func PseudoHdrIPv4Checksum 

func PseudoHdrIPv4Checksum(ipSrc, ipDst net.IP, proto int, length uint16) uint32

func PseudoHdrIPv4TCPChecksum 

func PseudoHdrIPv4TCPChecksum(hdr *ipv4.Header) uint16

PseudoHdrIPv4TCPChecksum implements one step of TCP checksum calculation. Separately computes checksum for TCP pseudo-header for case if L3 protocol is IPv4. This precalculation is required for checksum compute by hardware offload. Result should be put into TCP.Cksum field.

func PseudoHdrIPv4UDPChecksum 

func PseudoHdrIPv4UDPChecksum(hdr *ipv4.Header, udp *UDPHdr) uint16

PseudoHdrIPv4UDPChecksum implements one step of UDP checksum calculation. Separately computes checksum for UDP pseudo-header for case if L3 protocol is IPv4. This precalculation is required for checksum compute by hardware offload. Result should be put into UDP.DgramCksum field.

func PseudoHdrIPv6TCPChecksum 

func PseudoHdrIPv6TCPChecksum(hdr *ipv6.Header) uint16

PseudoHdrIPv6TCPChecksum implements one step of TCP checksum calculation. Separately computes checksum for TCP pseudo-header for case if L3 protocol is IPv6. This precalculation is required for checksum compute by hardware offload. Result should be put into TCP.Cksum field.

func PseudoHdrIPv6UDPChecksum 

func PseudoHdrIPv6UDPChecksum(hdr *ipv6.Header, udp *UDPHdr) uint16

PseudoHdrIPv6UDPChecksum implements one step of UDP checksum calculation. Separately computes checksum for UDP pseudo-header for case if L3 protocol is IPv6. This precalculation is required for checksum compute by hardware offload. Result should be put into UDP.DgramCksum field.

func Roundup 

func Roundup(v, mul uint64) uint64

func SwapIPv4Addr 

func SwapIPv4Addr(x net.IP) net.IP

func SwapUint16 

func SwapUint16(x uint16) uint16

SwapBytesUint16 swaps uint16 in Little Endian and Big Endian

func SwapUint32 

func SwapUint32(x uint32) uint32

SwapBytesUint32 swaps uint32 in Little Endian and Big Endian

func TCPChecksum 

func TCPChecksum(tcp *TCPHdr) uint32

func ToHardwareAddr 

func ToHardwareAddr(mac string) (net.HardwareAddr, error)

Types

type CountLayer 

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

CountLayer the structure holding the information on each layer.

func CountNew 

func CountNew(fr *Frame) *CountLayer

CountNew creates a new CountLayer and is called the NewFuncs structure.

func (*CountLayer) ApplyDefaults 

func (l *CountLayer) ApplyDefaults() error

ApplyDefaults applies the default values for the layer.

func (*CountLayer) Name 

func (l *CountLayer) Name() LayerName

Name returns the name of the layer.

func (*CountLayer) Parse 

func (l *CountLayer) Parse(opts string) error

Parse parses the layer options string.

func (*CountLayer) String 

func (l *CountLayer) String() string

func (*CountLayer) WriteLayer 

func (l *CountLayer) WriteLayer() error

WriteLayer writes the layer to hdr.frame []byte.

type DefaultsLayer 

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

DefaultsLayer is the default implementation of the Layer interface.

func DefaultsNew 

func DefaultsNew(fr *Frame) *DefaultsLayer

func (*DefaultsLayer) ApplyDefaults 

func (l *DefaultsLayer) ApplyDefaults() error

func (*DefaultsLayer) Name 

func (l *DefaultsLayer) Name() LayerName

func (*DefaultsLayer) Parse 

func (l *DefaultsLayer) Parse(opts string) error

func (*DefaultsLayer) String 

func (l *DefaultsLayer) String() string

String returns a string representation of the layer.

func (*DefaultsLayer) WriteLayer 

func (l *DefaultsLayer) WriteLayer() error

type Dot1Q 

type Dot1Q struct {
	// contains filtered or unexported fields
}

type Dot1adLayer 

type Dot1adLayer struct {
	// contains filtered or unexported fields
}

func Dot1adNew 

func Dot1adNew(fr *Frame) *Dot1adLayer

func (*Dot1adLayer) ApplyDefaults 

func (l *Dot1adLayer) ApplyDefaults() error

func (*Dot1adLayer) Name 

func (d *Dot1adLayer) Name() LayerName

func (*Dot1adLayer) Parse 

func (l *Dot1adLayer) Parse(opts string) error

func (*Dot1adLayer) String 

func (l *Dot1adLayer) String() string

func (*Dot1adLayer) WriteLayer 

func (l *Dot1adLayer) WriteLayer() error

type Dot1qLayer 

type Dot1qLayer struct {
	// contains filtered or unexported fields
}

func Dot1qNew 

func Dot1qNew(fr *Frame) *Dot1qLayer

func (*Dot1qLayer) ApplyDefaults 

func (l *Dot1qLayer) ApplyDefaults() error

func (*Dot1qLayer) Name 

func (d *Dot1qLayer) Name() LayerName

func (*Dot1qLayer) Parse 

func (d *Dot1qLayer) Parse(opts string) error

func (*Dot1qLayer) ParseDot1q 

func (d *Dot1qLayer) ParseDot1q(opts string) error

func (*Dot1qLayer) String 

func (d *Dot1qLayer) String() string

func (*Dot1qLayer) WriteLayer 

func (l *Dot1qLayer) WriteLayer() error

type EchoLayer 

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

func EchoNew 

func EchoNew(fr *Frame) *EchoLayer

func (*EchoLayer) ApplyDefaults 

func (l *EchoLayer) ApplyDefaults() error

func (*EchoLayer) Name 

func (l *EchoLayer) Name() LayerName

func (*EchoLayer) Parse 

func (el *EchoLayer) Parse(opts string) error

func (*EchoLayer) String 

func (l *EchoLayer) String() string

func (*EchoLayer) WriteLayer 

func (l *EchoLayer) WriteLayer() error

type EtherHdr 

type EtherHdr struct {
	DstMac, SrcMac net.HardwareAddr
	EtherType      uint16
}

type EtherLayer 

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

func EtherNew 

func EtherNew(fr *Frame) *EtherLayer

func (*EtherLayer) ApplyDefaults 

func (l *EtherLayer) ApplyDefaults() error

func (*EtherLayer) Name 

func (e *EtherLayer) Name() LayerName

func (*EtherLayer) Parse 

func (el *EtherLayer) Parse(opts string) error

parseEther a formatted string into a byte array or frame.

func (*EtherLayer) String 

func (e *EtherLayer) String() string

func (*EtherLayer) WriteLayer 

func (l *EtherLayer) WriteLayer() error

type Frame 

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

Frame is the representation of a packet in text and binary format. A frame string or binary representation of a packet string is deserialized/serialized into this structure.

func (*Frame) AddProtocol 

func (fr *Frame) AddProtocol(proto *ProtoInfo) error

func (*Frame) FrameDump 

func (fr *Frame) FrameDump() string

frameDump is a helper function that returns a string representation of the given frame.

func (*Frame) GetLayer 

func (fr *Frame) GetLayer(name LayerName) interface{}

GetLayer returns a pointer to the layer with the given name.

func (*Frame) GetLength 

func (fr *Frame) GetLength(name LayerName) uint16

GetLength returns the length of the following layers starting with the given layer name.

func (*Frame) GetOffset 

func (fr *Frame) GetOffset(name LayerName) uint16

GetOffset returns the offset to the given layer name. The offset is the offset to the beginning of the protocol layer name

func (*Frame) GetProtocol 

func (fr *Frame) GetProtocol(name LayerName) *ProtoInfo

GetProtocol returns a pointer to the protocol with the given name.

func (*Frame) GetProtocolID 

func (fr *Frame) GetProtocolID() int

func (*Frame) String 

func (f *Frame) String() string

String converts a Frame structure to a string.

type FrameKey 

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

type FrameMap 

type FrameMap map[FrameKey]*Frame // Frame Mapping between frame type and frame

func (FrameMap) String 

func (f FrameMap) String() string

String converts a EncodedFrame map to a string.

type FrameSerde 

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

Serde is the main structure of the fserde package. Holding the deserialized and serialized frame data.

func Create 

func Create(name string, cfg *FrameSerdeConfig) (*FrameSerde, error)

Create a FrameSerde structure from the default values. If the default values are present then parse them to the FrameSerde structure.

func (*FrameSerde) DefaultToBinary 

func (f *FrameSerde) DefaultToBinary(frameString string) error

func (*FrameSerde) DefaultsToBinary 

func (f *FrameSerde) DefaultsToBinary(frameStrings []string) error

func (*FrameSerde) Delete 

func (f *FrameSerde) Delete()

func (*FrameSerde) DeleteFrame 

func (f *FrameSerde) DeleteFrame(frameName string, ftype FrameType) error

func (*FrameSerde) Destroy 

func (f *FrameSerde) Destroy()

func (*FrameSerde) FrameMap 

func (f *FrameSerde) FrameMap(ftype FrameType) FrameMap

func (*FrameSerde) FrameNames 

func (f *FrameSerde) FrameNames(ftype FrameType) []string

func (*FrameSerde) GetFrame 

func (f *FrameSerde) GetFrame(frameName string, ftype FrameType) (*Frame, error)

func (*FrameSerde) GetFrames 

func (f *FrameSerde) GetFrames(ftype FrameType) []*Frame

func (*FrameSerde) StringToBinary 

func (f *FrameSerde) StringToBinary(frameString string) error

StringToBinary converts a string formatted frame to a binary frame

func (*FrameSerde) StringsToBinary 

func (f *FrameSerde) StringsToBinary(frameStrings []string) error

StringsToBinary converts a slice of string frames to a binary formatted frames

func (*FrameSerde) WritePCAP 

func (fg *FrameSerde) WritePCAP(path string, frameType FrameType) error

type FrameSerdeConfig 

type FrameSerdeConfig struct {
	Defaults []string // List of default layers to apply to the frames
}

FrameSerdeConfig is the configuration structure for the FrameSerde.Create() call.

type FrameType 

type FrameType int

type ICMPHeader 

type ICMPHeader struct {
	Type       uint8  // Message type
	Code       uint8  // Message code
	Cksum      uint16 // Checksum set to zero
	Identifier uint16 // Message identifier in some messages
	SeqNum     uint16 // Message sequence number in some messages
}

ICMPHdr L4 header.

type ICMPv4Layer 

type ICMPv4Layer struct {
	// contains filtered or unexported fields
}

func ICMPv4New 

func ICMPv4New(fr *Frame) *ICMPv4Layer

func (*ICMPv4Layer) ApplyDefaults 

func (l *ICMPv4Layer) ApplyDefaults() error

func (*ICMPv4Layer) Name 

func (l *ICMPv4Layer) Name() LayerName

func (*ICMPv4Layer) Parse 

func (l *ICMPv4Layer) Parse(opts string) error

func (*ICMPv4Layer) String 

func (l *ICMPv4Layer) String() string

func (*ICMPv4Layer) WriteLayer 

func (l *ICMPv4Layer) WriteLayer() error

type ICMPv6Layer 

type ICMPv6Layer struct {
	// contains filtered or unexported fields
}

func ICMPv6New 

func ICMPv6New(fr *Frame) *ICMPv6Layer

func (*ICMPv6Layer) ApplyDefaults 

func (l *ICMPv6Layer) ApplyDefaults() error

func (*ICMPv6Layer) Name 

func (l *ICMPv6Layer) Name() LayerName

func (*ICMPv6Layer) Parse 

func (el *ICMPv6Layer) Parse(opts string) error

func (*ICMPv6Layer) String 

func (l *ICMPv6Layer) String() string

func (*ICMPv6Layer) WriteLayer 

func (l *ICMPv6Layer) WriteLayer() error

type IPv4Layer 

type IPv4Layer struct {
	// contains filtered or unexported fields
}

func IPv4New 

func IPv4New(fr *Frame) *IPv4Layer

func (*IPv4Layer) ApplyDefaults 

func (l *IPv4Layer) ApplyDefaults() error

func (*IPv4Layer) Name 

func (e *IPv4Layer) Name() LayerName

func (*IPv4Layer) Parse 

func (ip *IPv4Layer) Parse(opts string) error

func (*IPv4Layer) String 

func (ip *IPv4Layer) String() string

func (*IPv4Layer) WriteLayer 

func (l *IPv4Layer) WriteLayer() error

type IPv6Layer 

type IPv6Layer struct {
	// contains filtered or unexported fields
}

func IPv6New 

func IPv6New(fr *Frame) *IPv6Layer

func (*IPv6Layer) ApplyDefaults 

func (l *IPv6Layer) ApplyDefaults() error

func (*IPv6Layer) Name 

func (l *IPv6Layer) Name() LayerName

func (*IPv6Layer) Parse 

func (l *IPv6Layer) Parse(opts string) error

func (*IPv6Layer) String 

func (l *IPv6Layer) String() string

func (*IPv6Layer) WriteLayer 

func (l *IPv6Layer) WriteLayer() error

type LayerHdr 

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

LayerHdr is the header for each layer containing common fields

func LayerConstructor 

func LayerConstructor(fr *Frame, layerName LayerName, layerType LayerType) *LayerHdr

LayerConstructor is a function that creates a new layer header

func (*LayerHdr) String 

func (ln *LayerHdr) String() string

String returns a string representation of the layer header

type LayerInfo 

type LayerInfo struct {
	Name  LayerName   // Name of the layer i.e., "TCP" or "UDP" or "ipv4" or ...
	Type  LayerType   // Layer index or type value
	Opts  string      // Layer strings
	Layer interface{} // Layer structure pointer
}

type LayerMap 

type LayerMap map[LayerName]interface{} // interface{} is the given layer structure

type LayerName 

type LayerName string // Layer type name

const (
	// These strings are used for displaying layer names.
	// Must match the order of the layers above.
	LayerEther    LayerName = "Ether"
	LayerDot1Q    LayerName = "Dot1Q"
	LayerQinQ     LayerName = "QinQ"
	LayerDot1AD   LayerName = "Dot1AD"
	LayerIPv4     LayerName = "IPv4"
	LayerIPv6     LayerName = "IPv6"
	LayerTCP      LayerName = "TCP"
	LayerUDP      LayerName = "UDP"
	LayerICMPv4   LayerName = "ICMPv4"
	LayerICMPv6   LayerName = "ICMPv6"
	LayerSCTP     LayerName = "SCTP"
	LayerVxLan    LayerName = "VxLan"
	LayerEcho     LayerName = "Echo"
	LayerTSC      LayerName = "TSC"
	LayerPayload  LayerName = "Payload"
	LayerDefaults LayerName = "Defaults"
	LayerCount    LayerName = "Count"
	LayerDone     LayerName = "Done"
)

type LayerType 

type LayerType int // Layer type index value

const (
	// Index values for each layer, must match the list below set of constants.
	LayerEtherType LayerType = iota
	LayerDot1QType
	LayerQinQType
	LayerDot1ADType
	LayerIPv4Type
	LayerIPv6Type
	LayerTCPType
	LayerUDPType
	LayerICMPv4Type
	LayerICMPv6Type
	LayerSCTPType
	LayerVxLanType
	LayerEchoType
	LayerTSCType
	LayerPayloadType
	LayerDefaultsType
	LayerCountType
	MaxLayerType
)

func (LayerType) String 

func (l LayerType) String() LayerName

String returns the string representation of the layer name string

type MyBuffer 

type MyBuffer struct {
	Buf bytes.Buffer
}

func (*MyBuffer) Append 

func (b *MyBuffer) Append(val interface{})

func (*MyBuffer) BufferDump 

func (b *MyBuffer) BufferDump() string

BufferDump is a helper function that returns a string representation of the given frame.

func (*MyBuffer) Bytes 

func (b *MyBuffer) Bytes() []byte

func (*MyBuffer) Cap 

func (b *MyBuffer) Cap() int

func (*MyBuffer) Len 

func (b *MyBuffer) Len() int

func (*MyBuffer) Read 

func (b *MyBuffer) Read(p []byte) (n int, err error)

func (*MyBuffer) Reset 

func (b *MyBuffer) Reset()

func (*MyBuffer) Write 

func (b *MyBuffer) Write(p []byte) (n int, err error)

func (*MyBuffer) WriteAt 

func (b *MyBuffer) WriteAt(index int, val []byte) error

func (*MyBuffer) WriteByte 

func (b *MyBuffer) WriteByte(p byte) error

func (*MyBuffer) WriteValueAt 

func (b *MyBuffer) WriteValueAt(index int, val interface{}) error

type NewFuncs 

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

Structure to hold all of the layer create functions

type PayloadLayer 

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

func PayloadNew 

func PayloadNew(fr *Frame) *PayloadLayer

func (*PayloadLayer) ApplyDefaults 

func (l *PayloadLayer) ApplyDefaults() error

func (*PayloadLayer) Name 

func (l *PayloadLayer) Name() LayerName

func (*PayloadLayer) Parse 

func (l *PayloadLayer) Parse(opts string) error

func (*PayloadLayer) String 

func (pl *PayloadLayer) String() string

func (*PayloadLayer) WriteLayer 

func (l *PayloadLayer) WriteLayer() error

type ProtoInfo 

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

ProtoInfo is the protocol offset and length information in the packet data.

func (*ProtoInfo) String 

func (p *ProtoInfo) String() string

type ProtoMap 

type ProtoMap map[LayerName]*ProtoInfo // Protocol Mapping

type QinQLayer 

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

func QinQNew 

func QinQNew(fr *Frame) *QinQLayer

func (*QinQLayer) ApplyDefaults 

func (l *QinQLayer) ApplyDefaults() error

func (*QinQLayer) Name 

func (l *QinQLayer) Name() LayerName

func (*QinQLayer) Parse 

func (l *QinQLayer) Parse(opts string) error

func (*QinQLayer) String 

func (e *QinQLayer) String() string

func (*QinQLayer) WriteLayer 

func (l *QinQLayer) WriteLayer() error

type SCTPLayer 

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

func SCTPNew 

func SCTPNew(fr *Frame) *SCTPLayer

func (*SCTPLayer) ApplyDefaults 

func (l *SCTPLayer) ApplyDefaults() error

func (*SCTPLayer) Name 

func (l *SCTPLayer) Name() LayerName

func (*SCTPLayer) Parse 

func (l *SCTPLayer) Parse(opts string) error

func (*SCTPLayer) String 

func (l *SCTPLayer) String() string

func (*SCTPLayer) WriteLayer 

func (l *SCTPLayer) WriteLayer() error

type TCPHdr 

type TCPHdr struct {
	SrcPort  uint16 // TCP source port
	DstPort  uint16 // TCP destination port
	SeqNum   uint32 // TCP sequence number
	AckNum   uint32 // TCP acknowledgment number
	Flags    uint16 // TCP flags
	Window   uint16 // TCP window size
	Checksum uint16 // Always 0 and not configurable
	Urgent   uint16 // TCP urgent pointer
	HdrLen   uint16 // TCP header length
	Options  []byte // TCP options bytes total length multiple of 4, max 40 bytes
	// contains filtered or unexported fields
}

type TCPLayer 

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

func TCPNew 

func TCPNew(fr *Frame) *TCPLayer

func (*TCPLayer) ApplyDefaults 

func (l *TCPLayer) ApplyDefaults() error

func (*TCPLayer) Name 

func (l *TCPLayer) Name() LayerName

func (*TCPLayer) Parse 

func (l *TCPLayer) Parse(opts string) error

func (*TCPLayer) String 

func (t *TCPLayer) String() string

func (*TCPLayer) WriteLayer 

func (l *TCPLayer) WriteLayer() error

type TCPOptions 

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

type TSCLayer 

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

func TSCNew 

func TSCNew(fr *Frame) *TSCLayer

func (*TSCLayer) ApplyDefaults 

func (l *TSCLayer) ApplyDefaults() error

func (*TSCLayer) Name 

func (l *TSCLayer) Name() LayerName

func (*TSCLayer) Parse 

func (l *TSCLayer) Parse(opts string) error

func (*TSCLayer) String 

func (l *TSCLayer) String() string

func (*TSCLayer) WriteLayer 

func (l *TSCLayer) WriteLayer() error

type ToBinaryConverter 

type ToBinaryConverter interface {
	// Methods for ToBinary
	Parse(opts string) error
	ApplyDefaults() error
	WriteLayer() error
}

type UDPHdr 

type UDPHdr struct {
	SrcPort  uint16
	DstPort  uint16
	Length   uint16
	Checksum bool
}

type UDPLayer 

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

func UDPNew 

func UDPNew(fr *Frame) *UDPLayer

func (*UDPLayer) ApplyDefaults 

func (l *UDPLayer) ApplyDefaults() error

func (*UDPLayer) Name 

func (l *UDPLayer) Name() LayerName

func (*UDPLayer) Parse 

func (u *UDPLayer) Parse(opts string) error

func (*UDPLayer) String 

func (u *UDPLayer) String() string

func (*UDPLayer) WriteLayer 

func (l *UDPLayer) WriteLayer() error

type VxLanLayer 

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

func VxLanNew 

func VxLanNew(fr *Frame) *VxLanLayer

func (*VxLanLayer) ApplyDefaults 

func (l *VxLanLayer) ApplyDefaults() error

func (*VxLanLayer) Name 

func (l *VxLanLayer) Name() LayerName

func (*VxLanLayer) Parse 

func (l *VxLanLayer) Parse(opts string) error

func (*VxLanLayer) String 

func (vx *VxLanLayer) String() string

func (*VxLanLayer) WriteLayer 

func (l *VxLanLayer) WriteLayer() error

Source Files

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