func init() {
layers.MPLSPayloadDecoder = gopacket.DecodeFunc(decodeMPLS)
layers.EthernetTypeMetadata[ethernetTypeDot1QSTag] = layers.EthernetTypeMetadata[layers.EthernetTypeDot1Q]
layers.EthernetTypeMetadata[ethernetTypeDot1QITag] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodePBB),
Name: "PBB",
LayerType: LayerTypePBB,
}
layers.EthernetTypeMetadata[ethernetTypeLwapp] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodeLwapp),
Name: "Lwapp",
LayerType: LayerTypeLwapp,
}
}
func decodeSCTPEmptyLayer(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPEmptyLayer{
SCTPChunk: decodeSCTPChunk(data),
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPChunkTypeUnknown(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPUnknownChunkType{SCTPChunk: decodeSCTPChunk(data)}
sc.bytes = data[:sc.ActualLength]
p.AddLayer(sc)
p.SetErrorLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPShutdown(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPShutdown{
SCTPChunk: decodeSCTPChunk(data),
CumulativeTSNAck: binary.BigEndian.Uint32(data[4:8]),
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPCookieEcho(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPCookieEcho{
SCTPChunk: decodeSCTPChunk(data),
}
sc.Cookie = data[4:sc.Length]
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPEmptyLayer(data []byte, p gopacket.PacketBuilder) error {
chunk, err := decodeSCTPChunk(data)
if err != nil {
return err
}
sc := &SCTPEmptyLayer{
SCTPChunk: chunk,
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeEthernetCTP(data []byte, p gopacket.PacketBuilder) error {
c := &EthernetCTP{
SkipCount: binary.LittleEndian.Uint16(data[:2]),
BaseLayer: BaseLayer{data[:2], data[2:]},
}
if c.SkipCount%2 != 0 {
return fmt.Errorf("EthernetCTP skip count is odd: %d", c.SkipCount)
}
p.AddLayer(c)
return p.NextDecoder(gopacket.DecodeFunc(decodeEthernetCTPFromFunctionType))
}
func decodeSCTPHeartbeat(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPHeartbeat{
SCTPChunk: decodeSCTPChunk(data),
}
paramData := data[4:sc.Length]
for len(paramData) > 0 {
p := SCTPHeartbeatParameter(decodeSCTPParameter(paramData))
paramData = paramData[p.ActualLength:]
sc.Parameters = append(sc.Parameters, p)
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeMPLS(data []byte, p gopacket.PacketBuilder) error {
decoded := binary.BigEndian.Uint32(data[:4])
mpls := &MPLS{
Label: decoded >> 12,
TrafficClass: uint8(decoded>>9) & 0x7,
StackBottom: decoded&0x100 != 0,
TTL: uint8(decoded),
BaseLayer: BaseLayer{data[:4], data[4:]},
}
p.AddLayer(mpls)
if mpls.StackBottom {
return p.NextDecoder(MPLSPayloadDecoder)
}
return p.NextDecoder(gopacket.DecodeFunc(decodeMPLS))
}
func decodeSCTPData(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPData{
SCTPChunk: decodeSCTPChunk(data),
Unordered: data[1]&0x4 != 0,
BeginFragment: data[1]&0x2 != 0,
EndFragment: data[1]&0x1 != 0,
TSN: binary.BigEndian.Uint32(data[4:8]),
StreamId: binary.BigEndian.Uint16(data[8:10]),
StreamSequence: binary.BigEndian.Uint16(data[10:12]),
PayloadProtocol: binary.BigEndian.Uint32(data[12:16]),
}
// Length is the length in bytes of the data, INCLUDING the 16-byte header.
sc.PayloadData = data[16:sc.Length]
p.AddLayer(sc)
p.SetApplicationLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPInit(data []byte, p gopacket.PacketBuilder) error {
sc := &SCTPInit{
SCTPChunk: decodeSCTPChunk(data),
InitiateTag: binary.BigEndian.Uint32(data[4:8]),
AdvertisedReceiverWindowCredit: binary.BigEndian.Uint32(data[8:12]),
OutboundStreams: binary.BigEndian.Uint16(data[12:14]),
InboundStreams: binary.BigEndian.Uint16(data[14:16]),
InitialTSN: binary.BigEndian.Uint32(data[16:20]),
}
paramData := data[20:sc.ActualLength]
for len(paramData) > 0 {
p := SCTPInitParameter(decodeSCTPParameter(paramData))
paramData = paramData[p.ActualLength:]
sc.Parameters = append(sc.Parameters, p)
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeSCTPError(data []byte, p gopacket.PacketBuilder) error {
// remarkably similar to decodeSCTPHeartbeat ;)
chunk, err := decodeSCTPChunk(data)
if err != nil {
return err
}
sc := &SCTPError{
SCTPChunk: chunk,
}
paramData := data[4:sc.Length]
for len(paramData) > 0 {
p := SCTPErrorParameter(decodeSCTPParameter(paramData))
paramData = paramData[p.ActualLength:]
sc.Parameters = append(sc.Parameters, p)
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
func decodeCiscoDiscovery(data []byte, p gopacket.PacketBuilder) error {
c := &CiscoDiscovery{
Version: data[0],
TTL: data[1],
Checksum: binary.BigEndian.Uint16(data[2:4]),
}
if c.Version != 1 && c.Version != 2 {
return fmt.Errorf("Invalid CiscoDiscovery version number %d", c.Version)
}
var err error
c.Values, err = decodeCiscoDiscoveryTLVs(data[4:])
if err != nil {
return err
}
c.Contents = data[0:4]
c.Payload = data[4:]
p.AddLayer(c)
return p.NextDecoder(gopacket.DecodeFunc(decodeCiscoDiscoveryInfo))
}
func decodeSCTPSack(data []byte, p gopacket.PacketBuilder) error {
chunk, err := decodeSCTPChunk(data)
if err != nil {
return err
}
sc := &SCTPSack{
SCTPChunk: chunk,
CumulativeTSNAck: binary.BigEndian.Uint32(data[4:8]),
AdvertisedReceiverWindowCredit: binary.BigEndian.Uint32(data[8:12]),
NumGapACKs: binary.BigEndian.Uint16(data[12:14]),
NumDuplicateTSNs: binary.BigEndian.Uint16(data[14:16]),
}
// We maximize gapAcks and dupTSNs here so we're not allocating tons
// of memory based on a user-controlable field. Our maximums are not exact,
// but should give us sane defaults... we'll still hit slice boundaries and
// fail if the user-supplied values are too high (in the for loops below), but
// the amount of memory we'll have allocated because of that should be small
// (< sc.ActualLength)
gapAcks := sc.SCTPChunk.ActualLength / 2
dupTSNs := (sc.SCTPChunk.ActualLength - gapAcks*2) / 4
if gapAcks > int(sc.NumGapACKs) {
gapAcks = int(sc.NumGapACKs)
}
if dupTSNs > int(sc.NumDuplicateTSNs) {
dupTSNs = int(sc.NumDuplicateTSNs)
}
sc.GapACKs = make([]uint16, 0, gapAcks)
sc.DuplicateTSNs = make([]uint32, 0, dupTSNs)
bytesRemaining := data[16:]
for i := 0; i < int(sc.NumGapACKs); i++ {
sc.GapACKs = append(sc.GapACKs, binary.BigEndian.Uint16(bytesRemaining[:2]))
bytesRemaining = bytesRemaining[2:]
}
for i := 0; i < int(sc.NumDuplicateTSNs); i++ {
sc.DuplicateTSNs = append(sc.DuplicateTSNs, binary.BigEndian.Uint32(bytesRemaining[:4]))
bytesRemaining = bytesRemaining[4:]
}
p.AddLayer(sc)
return p.NextDecoder(gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix))
}
// decodeEthernetCTPFromFunctionType reads in the first 2 bytes to determine the EthernetCTP
// layer type to decode next, then decodes based on that.
func decodeEthernetCTPFromFunctionType(data []byte, p gopacket.PacketBuilder) error {
function := EthernetCTPFunction(binary.LittleEndian.Uint16(data[:2]))
switch function {
case EthernetCTPFunctionReply:
reply := &EthernetCTPReply{
Function: function,
ReceiptNumber: binary.LittleEndian.Uint16(data[2:4]),
Data: data[4:],
BaseLayer: BaseLayer{data, nil},
}
p.AddLayer(reply)
p.SetApplicationLayer(reply)
return nil
case EthernetCTPFunctionForwardData:
forward := &EthernetCTPForwardData{
Function: function,
ForwardAddress: data[2:8],
BaseLayer: BaseLayer{data[:8], data[8:]},
}
p.AddLayer(forward)
return p.NextDecoder(gopacket.DecodeFunc(decodeEthernetCTPFromFunctionType))
}
return fmt.Errorf("Unknown EthernetCTP function type %v", function)
}
func init() {
LayerTypeMoldUDP64MessageBlock = gopacket.RegisterLayerType(10001, gopacket.LayerTypeMetadata{"MoldUDP64MessageBlock", gopacket.DecodeFunc(decodeMoldUDP64MessageBlock)})
LayerTypeMoldUDP64MessageBlockChained = gopacket.RegisterLayerType(10003, gopacket.LayerTypeMetadata{"MoldUDP64MessageBlockChained", gopacket.DecodeFunc(decodeMoldUDP64MessageBlockChained)})
MoldUDP64LayerFactory = packet.NewSingleDecodingLayerFactory(
LayerTypeMoldUDP64,
func() gopacket.DecodingLayer { return &MoldUDP64{} },
)
MoldUDP64MessageBlockLayerFactory = packet.NewSingleDecodingLayerFactory(
LayerTypeMoldUDP64MessageBlock,
func() gopacket.DecodingLayer { return &MoldUDP64MessageBlock{} },
)
}
// Copyright (c) Ilia Kravets, 2015. All rights reserved. PROVIDED "AS IS"
// WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. See LICENSE file for details.
package miax
import (
"encoding/binary"
"time"
"github.com/google/gopacket"
"github.com/ikravets/errs"
"my/ev/packet"
)
var LayerTypeTom = gopacket.RegisterLayerType(11002, gopacket.LayerTypeMetadata{"Tom", gopacket.DecodeFunc(decodeTom)})
func decodeTom(data []byte, p gopacket.PacketBuilder) error {
tomMessageType := TomMessageType(data[0])
return tomMessageType.Decode(data, p)
}
/************************************************************************/
type TomSide struct {
Price packet.Price
Size int
PriorityCustomerSize int
Condition byte
Side packet.MarketSide // inferred from message type
}
func init() {
LayerTypeMachTop = gopacket.RegisterLayerType(11000, gopacket.LayerTypeMetadata{"MachTop", gopacket.DecodeFunc(decodeMach)})
LayerTypeMach = gopacket.RegisterLayerType(11001, gopacket.LayerTypeMetadata{"Mach", gopacket.DecodeFunc(decodeMach)})
MachTopLayerFactory = packet.NewSingleDecodingLayerFactory(
LayerTypeMachTop,
func() gopacket.DecodingLayer { return &MachTop{} },
)
MachLayerFactory = packet.NewSingleDecodingLayerFactory(
LayerTypeMach,
func() gopacket.DecodingLayer { return &Mach{} },
)
}
// LayerType returns gopacket.LayerTypeSCTP
func (s *SCTP) LayerType() gopacket.LayerType { return LayerTypeSCTP }
func decodeSCTP(data []byte, p gopacket.PacketBuilder) error {
sctp := &SCTP{}
err := sctp.DecodeFromBytes(data, p)
p.AddLayer(sctp)
p.SetTransportLayer(sctp)
if err != nil {
return err
}
return p.NextDecoder(sctpChunkTypePrefixDecoder)
}
var sctpChunkTypePrefixDecoder = gopacket.DecodeFunc(decodeWithSCTPChunkTypePrefix)
// TransportFlow returns a flow based on the source and destination SCTP port.
func (s *SCTP) TransportFlow() gopacket.Flow {
return gopacket.NewFlow(EndpointSCTPPort, s.sPort, s.dPort)
}
func decodeWithSCTPChunkTypePrefix(data []byte, p gopacket.PacketBuilder) error {
chunkType := SCTPChunkType(data[0])
return chunkType.Decode(data, p)
}
// SerializeTo is for gopacket.SerializableLayer.
func (s SCTP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
bytes, err := b.PrependBytes(12)
if err != nil {
package bats
import (
"encoding/binary"
"errors"
"github.com/google/gopacket"
"github.com/ikravets/errs"
"my/ev/packet"
)
/************************************************************************/
var LayerTypePitch = gopacket.RegisterLayerType(12001, gopacket.LayerTypeMetadata{"Pitch", gopacket.DecodeFunc(decodePitch)})
func decodePitch(data []byte, p gopacket.PacketBuilder) error {
if len(data) < 2 {
return errors.New("message to short")
}
pitchMessageType := PitchMessageType(data[1])
return pitchMessageType.Decode(data, p)
}
/************************************************************************/
type PitchMessageType uint8
func (a PitchMessageType) Decode(data []byte, p gopacket.PacketBuilder) error {
layer := PitchMessageTypeMetadata[a].CreateLayer()
if err := layer.DecodeFromBytes(data, p); err != nil {
// by Kelly Lauren-Summer Becker-Neuding <*****@*****.**>, 2015
package packet
import (
"encoding/binary"
"fmt"
"strconv"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
)
// LayerTypeUDP is a extensible UDP packet LayerType
var LayerTypeUDP = gopacket.RegisterLayerType(1045, gopacket.LayerTypeMetadata{
Name: "UDP", Decoder: gopacket.DecodeFunc(decodeUDP),
})
// Replace the UDP Packet handler with out new custom one.
func init() {
layers.IPProtocolMetadata[layers.IPProtocolUDP] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodeUDP),
Name: "UDP", LayerType: LayerTypeUDP,
}
}
// UDP is the layer for UDP headers.
type UDP struct {
layers.BaseLayer
SrcPort, DstPort UDPPort
Length uint16
// Replace the UDP Packet handler with out new custom one.
func init() {
layers.IPProtocolMetadata[layers.IPProtocolUDP] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodeUDP),
Name: "UDP", LayerType: LayerTypeUDP,
}
}
"encoding/binary"
"errors"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/ikravets/errs"
"my/ev/packet"
)
var EndpointMoldUDP64SessionMetadata = gopacket.EndpointTypeMetadata{"MoldUDP64", func(b []byte) string {
return string(b[:10])
}}
var EndpointMoldUDP64Session = gopacket.RegisterEndpointType(10000, EndpointMoldUDP64SessionMetadata)
var LayerTypeMoldUDP64 = gopacket.RegisterLayerType(10000, gopacket.LayerTypeMetadata{"MoldUDP64", gopacket.DecodeFunc(decodeMoldUDP64)})
// must initialize in init() to avoid false detection of potential initialization loop
var LayerTypeMoldUDP64MessageBlock gopacket.LayerType
var LayerTypeMoldUDP64MessageBlockChained gopacket.LayerType
var MoldUDP64LayerFactory, MoldUDP64MessageBlockLayerFactory packet.DecodingLayerFactory
func init() {
LayerTypeMoldUDP64MessageBlock = gopacket.RegisterLayerType(10001, gopacket.LayerTypeMetadata{"MoldUDP64MessageBlock", gopacket.DecodeFunc(decodeMoldUDP64MessageBlock)})
LayerTypeMoldUDP64MessageBlockChained = gopacket.RegisterLayerType(10003, gopacket.LayerTypeMetadata{"MoldUDP64MessageBlockChained", gopacket.DecodeFunc(decodeMoldUDP64MessageBlockChained)})
MoldUDP64LayerFactory = packet.NewSingleDecodingLayerFactory(
LayerTypeMoldUDP64,
func() gopacket.DecodingLayer { return &MoldUDP64{} },
func init() {
// Here we link up all enumerations with their respective names and decoders.
for i := 0; i < 65536; i++ {
EthernetTypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode ethernet type %d", i)),
Name: fmt.Sprintf("UnknownEthernetType(%d)", i),
}
PPPTypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode PPP type %d", i)),
Name: fmt.Sprintf("UnknownPPPType(%d)", i),
}
}
for i := 0; i < 256; i++ {
IPProtocolMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode IP protocol %d", i)),
Name: fmt.Sprintf("UnknownIPProtocol(%d)", i),
}
SCTPChunkTypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode SCTP chunk type %d", i)),
Name: fmt.Sprintf("UnknownSCTPChunkType(%d)", i),
}
PPPoECodeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode PPPoE code %d", i)),
Name: fmt.Sprintf("UnknownPPPoECode(%d)", i),
}
LinkTypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode link type %d", i)),
Name: fmt.Sprintf("UnknownLinkType(%d)", i),
}
FDDIFrameControlMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode FDDI frame control %d", i)),
Name: fmt.Sprintf("UnknownFDDIFrameControl(%d)", i),
}
EAPOLTypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode EAPOL type %d", i)),
Name: fmt.Sprintf("UnknownEAPOLType(%d)", i),
}
ProtocolFamilyMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode protocol family %d", i)),
Name: fmt.Sprintf("UnknownProtocolFamily(%d)", i),
}
Dot11TypeMetadata[i] = EnumMetadata{
DecodeWith: errorFunc(fmt.Sprintf("Unable to decode Dot11 type %d", i)),
Name: fmt.Sprintf("UnknownDot11Type(%d)", i),
}
}
EthernetTypeMetadata[EthernetTypeLLC] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLLC), Name: "LLC", LayerType: LayerTypeLLC}
EthernetTypeMetadata[EthernetTypeIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4}
EthernetTypeMetadata[EthernetTypeIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
EthernetTypeMetadata[EthernetTypeARP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeARP), Name: "ARP", LayerType: LayerTypeARP}
EthernetTypeMetadata[EthernetTypeDot1Q] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot1Q), Name: "Dot1Q", LayerType: LayerTypeDot1Q}
EthernetTypeMetadata[EthernetTypePPPoEDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPPoE), Name: "PPPoEDiscovery", LayerType: LayerTypePPPoE}
EthernetTypeMetadata[EthernetTypePPPoESession] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPPoE), Name: "PPPoESession", LayerType: LayerTypePPPoE}
EthernetTypeMetadata[EthernetTypeEthernetCTP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernetCTP), Name: "EthernetCTP", LayerType: LayerTypeEthernetCTP}
EthernetTypeMetadata[EthernetTypeCiscoDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeCiscoDiscovery), Name: "CiscoDiscovery", LayerType: LayerTypeCiscoDiscovery}
EthernetTypeMetadata[EthernetTypeNortelDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeNortelDiscovery), Name: "NortelDiscovery", LayerType: LayerTypeNortelDiscovery}
EthernetTypeMetadata[EthernetTypeLinkLayerDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLinkLayerDiscovery), Name: "LinkLayerDiscovery", LayerType: LayerTypeLinkLayerDiscovery}
EthernetTypeMetadata[EthernetTypeMPLSUnicast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSUnicast", LayerType: LayerTypeMPLS}
EthernetTypeMetadata[EthernetTypeMPLSMulticast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSMulticast", LayerType: LayerTypeMPLS}
EthernetTypeMetadata[EthernetTypeEAPOL] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEAPOL), Name: "EAPOL", LayerType: LayerTypeEAPOL}
EthernetTypeMetadata[EthernetTypeQinQ] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot1Q), Name: "Dot1Q", LayerType: LayerTypeDot1Q}
EthernetTypeMetadata[EthernetTypeTransparentEthernetBridging] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernet), Name: "TransparentEthernetBridging", LayerType: LayerTypeEthernet}
IPProtocolMetadata[IPProtocolIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4}
IPProtocolMetadata[IPProtocolTCP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeTCP), Name: "TCP", LayerType: LayerTypeTCP}
IPProtocolMetadata[IPProtocolUDP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUDP), Name: "UDP", LayerType: LayerTypeUDP}
IPProtocolMetadata[IPProtocolICMPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeICMPv4), Name: "ICMPv4", LayerType: LayerTypeICMPv4}
IPProtocolMetadata[IPProtocolICMPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeICMPv6), Name: "ICMPv6", LayerType: LayerTypeICMPv6}
IPProtocolMetadata[IPProtocolSCTP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTP), Name: "SCTP", LayerType: LayerTypeSCTP}
IPProtocolMetadata[IPProtocolIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
IPProtocolMetadata[IPProtocolIPIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4}
IPProtocolMetadata[IPProtocolEtherIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEtherIP), Name: "EtherIP", LayerType: LayerTypeEtherIP}
IPProtocolMetadata[IPProtocolRUDP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeRUDP), Name: "RUDP", LayerType: LayerTypeRUDP}
IPProtocolMetadata[IPProtocolGRE] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeGRE), Name: "GRE", LayerType: LayerTypeGRE}
IPProtocolMetadata[IPProtocolIPv6HopByHop] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6HopByHop), Name: "IPv6HopByHop", LayerType: LayerTypeIPv6HopByHop}
IPProtocolMetadata[IPProtocolIPv6Routing] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Routing), Name: "IPv6Routing", LayerType: LayerTypeIPv6Routing}
IPProtocolMetadata[IPProtocolIPv6Fragment] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Fragment), Name: "IPv6Fragment", LayerType: LayerTypeIPv6Fragment}
IPProtocolMetadata[IPProtocolIPv6Destination] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Destination), Name: "IPv6Destination", LayerType: LayerTypeIPv6Destination}
IPProtocolMetadata[IPProtocolAH] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPSecAH), Name: "IPSecAH", LayerType: LayerTypeIPSecAH}
IPProtocolMetadata[IPProtocolESP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPSecESP), Name: "IPSecESP", LayerType: LayerTypeIPSecESP}
IPProtocolMetadata[IPProtocolUDPLite] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUDPLite), Name: "UDPLite", LayerType: LayerTypeUDPLite}
IPProtocolMetadata[IPProtocolMPLSInIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLS", LayerType: LayerTypeMPLS}
IPProtocolMetadata[IPProtocolNoNextHeader] = EnumMetadata{DecodeWith: gopacket.DecodePayload, Name: "NoNextHeader", LayerType: gopacket.LayerTypePayload}
IPProtocolMetadata[IPProtocolIGMP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIGMP), Name: "IGMP", LayerType: LayerTypeIGMP}
SCTPChunkTypeMetadata[SCTPChunkTypeData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPData), Name: "Data"}
SCTPChunkTypeMetadata[SCTPChunkTypeInit] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPInit), Name: "Init"}
SCTPChunkTypeMetadata[SCTPChunkTypeInitAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPInit), Name: "InitAck"}
SCTPChunkTypeMetadata[SCTPChunkTypeSack] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPSack), Name: "Sack"}
SCTPChunkTypeMetadata[SCTPChunkTypeHeartbeat] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPHeartbeat), Name: "Heartbeat"}
SCTPChunkTypeMetadata[SCTPChunkTypeHeartbeatAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPHeartbeat), Name: "HeartbeatAck"}
SCTPChunkTypeMetadata[SCTPChunkTypeAbort] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPError), Name: "Abort"}
SCTPChunkTypeMetadata[SCTPChunkTypeError] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPError), Name: "Error"}
SCTPChunkTypeMetadata[SCTPChunkTypeShutdown] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPShutdown), Name: "Shutdown"}
SCTPChunkTypeMetadata[SCTPChunkTypeShutdownAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPShutdownAck), Name: "ShutdownAck"}
SCTPChunkTypeMetadata[SCTPChunkTypeCookieEcho] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPCookieEcho), Name: "CookieEcho"}
SCTPChunkTypeMetadata[SCTPChunkTypeCookieAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPEmptyLayer), Name: "CookieAck"}
SCTPChunkTypeMetadata[SCTPChunkTypeShutdownComplete] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPEmptyLayer), Name: "ShutdownComplete"}
PPPTypeMetadata[PPPTypeIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4"}
PPPTypeMetadata[PPPTypeIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6"}
PPPTypeMetadata[PPPTypeMPLSUnicast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSUnicast"}
PPPTypeMetadata[PPPTypeMPLSMulticast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSMulticast"}
PPPoECodeMetadata[PPPoECodeSession] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPP), Name: "PPP"}
LinkTypeMetadata[LinkTypeEthernet] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernet), Name: "Ethernet"}
LinkTypeMetadata[LinkTypePPP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPP), Name: "PPP"}
LinkTypeMetadata[LinkTypeFDDI] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeFDDI), Name: "FDDI"}
LinkTypeMetadata[LinkTypeNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLoopback), Name: "Null"}
LinkTypeMetadata[LinkTypeLoop] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLoopback), Name: "Loop"}
LinkTypeMetadata[LinkTypeRaw] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4or6), Name: "Raw"}
LinkTypeMetadata[LinkTypePFLog] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePFLog), Name: "PFLog"}
LinkTypeMetadata[LinkTypeIEEE80211Radio] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeRadioTap), Name: "RadioTap"}
LinkTypeMetadata[LinkTypeLinuxUSB] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSB), Name: "USB"}
LinkTypeMetadata[LinkTypeLinuxSLL] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLinuxSLL), Name: "Linux SLL"}
LinkTypeMetadata[LinkTypePrismHeader] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePrismHeader), Name: "Prism"}
FDDIFrameControlMetadata[FDDIFrameControlLLC] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLLC), Name: "LLC"}
EAPOLTypeMetadata[EAPOLTypeEAP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEAP), Name: "EAP", LayerType: LayerTypeEAP}
ProtocolFamilyMetadata[ProtocolFamilyIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4}
ProtocolFamilyMetadata[ProtocolFamilyIPv6BSD] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
ProtocolFamilyMetadata[ProtocolFamilyIPv6FreeBSD] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
ProtocolFamilyMetadata[ProtocolFamilyIPv6Darwin] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
ProtocolFamilyMetadata[ProtocolFamilyIPv6Linux] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6}
Dot11TypeMetadata[Dot11TypeMgmtAssociationReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAssociationReq), Name: "MgmtAssociationReq", LayerType: LayerTypeDot11MgmtAssociationReq}
Dot11TypeMetadata[Dot11TypeMgmtAssociationResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAssociationResp), Name: "MgmtAssociationResp", LayerType: LayerTypeDot11MgmtAssociationResp}
Dot11TypeMetadata[Dot11TypeMgmtReassociationReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtReassociationReq), Name: "MgmtReassociationReq", LayerType: LayerTypeDot11MgmtReassociationReq}
Dot11TypeMetadata[Dot11TypeMgmtReassociationResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtReassociationResp), Name: "MgmtReassociationResp", LayerType: LayerTypeDot11MgmtReassociationResp}
Dot11TypeMetadata[Dot11TypeMgmtProbeReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtProbeReq), Name: "MgmtProbeReq", LayerType: LayerTypeDot11MgmtProbeReq}
Dot11TypeMetadata[Dot11TypeMgmtProbeResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtProbeResp), Name: "MgmtProbeResp", LayerType: LayerTypeDot11MgmtProbeResp}
Dot11TypeMetadata[Dot11TypeMgmtMeasurementPilot] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtMeasurementPilot), Name: "MgmtMeasurementPilot", LayerType: LayerTypeDot11MgmtMeasurementPilot}
Dot11TypeMetadata[Dot11TypeMgmtBeacon] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtBeacon), Name: "MgmtBeacon", LayerType: LayerTypeDot11MgmtBeacon}
Dot11TypeMetadata[Dot11TypeMgmtATIM] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtATIM), Name: "MgmtATIM", LayerType: LayerTypeDot11MgmtATIM}
Dot11TypeMetadata[Dot11TypeMgmtDisassociation] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtDisassociation), Name: "MgmtDisassociation", LayerType: LayerTypeDot11MgmtDisassociation}
Dot11TypeMetadata[Dot11TypeMgmtAuthentication] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAuthentication), Name: "MgmtAuthentication", LayerType: LayerTypeDot11MgmtAuthentication}
Dot11TypeMetadata[Dot11TypeMgmtDeauthentication] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtDeauthentication), Name: "MgmtDeauthentication", LayerType: LayerTypeDot11MgmtDeauthentication}
Dot11TypeMetadata[Dot11TypeMgmtAction] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAction), Name: "MgmtAction", LayerType: LayerTypeDot11MgmtAction}
Dot11TypeMetadata[Dot11TypeMgmtActionNoAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtActionNoAck), Name: "MgmtActionNoAck", LayerType: LayerTypeDot11MgmtActionNoAck}
Dot11TypeMetadata[Dot11TypeCtrlWrapper] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11Ctrl), Name: "CtrlWrapper", LayerType: LayerTypeDot11Ctrl}
Dot11TypeMetadata[Dot11TypeCtrlBlockAckReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlBlockAckReq), Name: "CtrlBlockAckReq", LayerType: LayerTypeDot11CtrlBlockAckReq}
Dot11TypeMetadata[Dot11TypeCtrlBlockAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlBlockAck), Name: "CtrlBlockAck", LayerType: LayerTypeDot11CtrlBlockAck}
Dot11TypeMetadata[Dot11TypeCtrlPowersavePoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlPowersavePoll), Name: "CtrlPowersavePoll", LayerType: LayerTypeDot11CtrlPowersavePoll}
Dot11TypeMetadata[Dot11TypeCtrlRTS] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlRTS), Name: "CtrlRTS", LayerType: LayerTypeDot11CtrlRTS}
Dot11TypeMetadata[Dot11TypeCtrlCTS] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCTS), Name: "CtrlCTS", LayerType: LayerTypeDot11CtrlCTS}
Dot11TypeMetadata[Dot11TypeCtrlAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlAck), Name: "CtrlAck", LayerType: LayerTypeDot11CtrlAck}
Dot11TypeMetadata[Dot11TypeCtrlCFEnd] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCFEnd), Name: "CtrlCFEnd", LayerType: LayerTypeDot11CtrlCFEnd}
Dot11TypeMetadata[Dot11TypeCtrlCFEndAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCFEndAck), Name: "CtrlCFEndAck", LayerType: LayerTypeDot11CtrlCFEndAck}
Dot11TypeMetadata[Dot11TypeData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11Data), Name: "Data", LayerType: LayerTypeDot11Data}
Dot11TypeMetadata[Dot11TypeDataCFAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAck), Name: "DataCFAck", LayerType: LayerTypeDot11DataCFAck}
Dot11TypeMetadata[Dot11TypeDataCFPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFPoll), Name: "DataCFPoll", LayerType: LayerTypeDot11DataCFPoll}
Dot11TypeMetadata[Dot11TypeDataCFAckPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckPoll), Name: "DataCFAckPoll", LayerType: LayerTypeDot11DataCFAckPoll}
Dot11TypeMetadata[Dot11TypeDataNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataNull), Name: "DataNull", LayerType: LayerTypeDot11DataNull}
Dot11TypeMetadata[Dot11TypeDataCFAckNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckNoData), Name: "DataCFAckNoData", LayerType: LayerTypeDot11DataCFAckNoData}
Dot11TypeMetadata[Dot11TypeDataCFPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFPollNoData), Name: "DataCFPollNoData", LayerType: LayerTypeDot11DataCFPollNoData}
Dot11TypeMetadata[Dot11TypeDataCFAckPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckPollNoData), Name: "DataCFAckPollNoData", LayerType: LayerTypeDot11DataCFAckPollNoData}
Dot11TypeMetadata[Dot11TypeDataQOSData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSData), Name: "DataQOSData", LayerType: LayerTypeDot11DataQOSData}
Dot11TypeMetadata[Dot11TypeDataQOSDataCFAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFAck), Name: "DataQOSDataCFAck", LayerType: LayerTypeDot11DataQOSDataCFAck}
Dot11TypeMetadata[Dot11TypeDataQOSDataCFPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFPoll), Name: "DataQOSDataCFPoll", LayerType: LayerTypeDot11DataQOSDataCFPoll}
Dot11TypeMetadata[Dot11TypeDataQOSDataCFAckPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFAckPoll), Name: "DataQOSDataCFAckPoll", LayerType: LayerTypeDot11DataQOSDataCFAckPoll}
Dot11TypeMetadata[Dot11TypeDataQOSNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSNull), Name: "DataQOSNull", LayerType: LayerTypeDot11DataQOSNull}
Dot11TypeMetadata[Dot11TypeDataQOSCFPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSCFPollNoData), Name: "DataQOSCFPollNoData", LayerType: LayerTypeDot11DataQOSCFPollNoData}
Dot11TypeMetadata[Dot11TypeDataQOSCFAckPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSCFAckPollNoData), Name: "DataQOSCFAckPollNoData", LayerType: LayerTypeDot11DataQOSCFAckPollNoData}
USBTypeMetadata[USBTransportTypeInterrupt] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBInterrupt), Name: "Interrupt", LayerType: LayerTypeUSBInterrupt}
USBTypeMetadata[USBTransportTypeControl] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBControl), Name: "Control", LayerType: LayerTypeUSBControl}
USBTypeMetadata[USBTransportTypeBulk] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBBulk), Name: "Bulk", LayerType: LayerTypeUSBBulk}
}
layers.MPLSPayloadDecoder = gopacket.DecodeFunc(decodeMPLS)
layers.EthernetTypeMetadata[ethernetTypeDot1QSTag] = layers.EthernetTypeMetadata[layers.EthernetTypeDot1Q]
layers.EthernetTypeMetadata[ethernetTypeDot1QITag] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodePBB),
Name: "PBB",
LayerType: LayerTypePBB,
}
layers.EthernetTypeMetadata[ethernetTypeLwapp] = layers.EnumMetadata{
DecodeWith: gopacket.DecodeFunc(decodeLwapp),
Name: "Lwapp",
LayerType: LayerTypeLwapp,
}
}
var (
LayerTypePBB = gopacket.RegisterLayerType(500, gopacket.LayerTypeMetadata{"PBB", gopacket.DecodeFunc(decodePBB)})
LayerTypeLwapp = gopacket.RegisterLayerType(501, gopacket.LayerTypeMetadata{"Lwapp", gopacket.DecodeFunc(decodeLwapp)})
LayerTypeLwappControl = gopacket.RegisterLayerType(502, gopacket.LayerTypeMetadata{"LwappControl", gopacket.DecodeFunc(decodeLwappControl)})
LayerTypeCapwapControl = gopacket.RegisterLayerType(503, gopacket.LayerTypeMetadata{"CapwapControl", gopacket.DecodeFunc(decodeCapwapControl)})
LayerTypeCapwapData = gopacket.RegisterLayerType(504, gopacket.LayerTypeMetadata{"CapwapData", gopacket.DecodeFunc(decodeCapwapData)})
LayerTypeCapwapControlHeader = gopacket.RegisterLayerType(505, gopacket.LayerTypeMetadata{"CapwapControlHeader", gopacket.DecodeFunc(decodeCapwapControlHeader)})
LayerTypeCapwapDataKeepAlive = gopacket.RegisterLayerType(506, gopacket.LayerTypeMetadata{"CapwapDataKeepAlive", gopacket.DecodeFunc(decodeCapwapDataKeepAlive)})
LayerTypeDot11NoFCS = gopacket.RegisterLayerType(507, gopacket.LayerTypeMetadata{"Dot11NoFCS", gopacket.DecodeFunc(decodeDot11NoFCS)})
)
func decodeMPLS(data []byte, p gopacket.PacketBuilder) error {
g := layers.ProtocolGuessingDecoder{}
if err := g.Decode(data, p); err != nil {
return gopacket.DecodePayload.Decode(data, p)
}
return nil
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package flow
import (
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
)
// Create a layer type, should be unique and high, so it doesn't conflict,
// giving it a name and a decoder to use.
var LayerTypeInGRE = gopacket.RegisterLayerType(55555, gopacket.LayerTypeMetadata{Name: "LayerTypeInGRE", Decoder: gopacket.DecodeFunc(decodeInGRELayer)})
type InGRELayer struct {
StrangeHeader []byte
payload []byte
}
func (m InGRELayer) LayerType() gopacket.LayerType {
return LayerTypeInGRE
}
func (m InGRELayer) LayerContents() []byte {
return m.StrangeHeader
}
func (m InGRELayer) LayerPayload() []byte {
// errorFunc returns a decoder that spits out a specific error message.
func errorFunc(msg string) gopacket.Decoder {
var e = errors.New(msg)
return gopacket.DecodeFunc(func([]byte, gopacket.PacketBuilder) error {
return e
})
}
package nasdaq
import (
"bytes"
"encoding/binary"
"fmt"
"time"
"github.com/google/gopacket"
"github.com/ikravets/errs"
"my/ev/packet"
)
var LayerTypeItto = gopacket.RegisterLayerType(10002, gopacket.LayerTypeMetadata{"Itto", gopacket.DecodeFunc(decodeItto)})
func decodeItto(data []byte, p gopacket.PacketBuilder) error {
ittoMessageType := IttoMessageType(data[0])
return ittoMessageType.Decode(data, p)
}
/************************************************************************/
type OrderSide struct {
Side packet.MarketSide
RefNumD packet.OrderId
Price packet.Price
Size int
}
type ReplaceOrderSide struct {
// Copyright 2012 Google, gopacket.LayerTypeMetadata{Inc. All rights reserved}.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree.
package layers
import (
"github.com/google/gopacket"
)
var (
LayerTypeARP = gopacket.RegisterLayerType(10, gopacket.LayerTypeMetadata{Name: "ARP", Decoder: gopacket.DecodeFunc(decodeARP)})
LayerTypeCiscoDiscovery = gopacket.RegisterLayerType(11, gopacket.LayerTypeMetadata{Name: "CiscoDiscovery", Decoder: gopacket.DecodeFunc(decodeCiscoDiscovery)})
LayerTypeEthernetCTP = gopacket.RegisterLayerType(12, gopacket.LayerTypeMetadata{Name: "EthernetCTP", Decoder: gopacket.DecodeFunc(decodeEthernetCTP)})
LayerTypeEthernetCTPForwardData = gopacket.RegisterLayerType(13, gopacket.LayerTypeMetadata{Name: "EthernetCTPForwardData", Decoder: nil})
LayerTypeEthernetCTPReply = gopacket.RegisterLayerType(14, gopacket.LayerTypeMetadata{Name: "EthernetCTPReply", Decoder: nil})
LayerTypeDot1Q = gopacket.RegisterLayerType(15, gopacket.LayerTypeMetadata{Name: "Dot1Q", Decoder: gopacket.DecodeFunc(decodeDot1Q)})
LayerTypeEtherIP = gopacket.RegisterLayerType(16, gopacket.LayerTypeMetadata{Name: "EtherIP", Decoder: gopacket.DecodeFunc(decodeEtherIP)})
LayerTypeEthernet = gopacket.RegisterLayerType(17, gopacket.LayerTypeMetadata{Name: "Ethernet", Decoder: gopacket.DecodeFunc(decodeEthernet)})
LayerTypeGRE = gopacket.RegisterLayerType(18, gopacket.LayerTypeMetadata{Name: "GRE", Decoder: gopacket.DecodeFunc(decodeGRE)})
LayerTypeICMPv4 = gopacket.RegisterLayerType(19, gopacket.LayerTypeMetadata{Name: "ICMPv4", Decoder: gopacket.DecodeFunc(decodeICMPv4)})
LayerTypeIPv4 = gopacket.RegisterLayerType(20, gopacket.LayerTypeMetadata{Name: "IPv4", Decoder: gopacket.DecodeFunc(decodeIPv4)})
LayerTypeIPv6 = gopacket.RegisterLayerType(21, gopacket.LayerTypeMetadata{Name: "IPv6", Decoder: gopacket.DecodeFunc(decodeIPv6)})
LayerTypeLLC = gopacket.RegisterLayerType(22, gopacket.LayerTypeMetadata{Name: "LLC", Decoder: gopacket.DecodeFunc(decodeLLC)})
LayerTypeSNAP = gopacket.RegisterLayerType(23, gopacket.LayerTypeMetadata{Name: "SNAP", Decoder: gopacket.DecodeFunc(decodeSNAP)})
LayerTypeMPLS = gopacket.RegisterLayerType(24, gopacket.LayerTypeMetadata{Name: "MPLS", Decoder: gopacket.DecodeFunc(decodeMPLS)})
LayerTypePPP = gopacket.RegisterLayerType(25, gopacket.LayerTypeMetadata{Name: "PPP", Decoder: gopacket.DecodeFunc(decodePPP)})
LayerTypePPPoE = gopacket.RegisterLayerType(26, gopacket.LayerTypeMetadata{Name: "PPPoE", Decoder: gopacket.DecodeFunc(decodePPPoE)})
LayerTypeRUDP = gopacket.RegisterLayerType(27, gopacket.LayerTypeMetadata{Name: "RUDP", Decoder: gopacket.DecodeFunc(decodeRUDP)})
// Create custom layer structure
type CustomLayer struct {
// This layer just has two bytes at the front
SomeByte byte
AnotherByte byte
restOfData []byte
}
// Register the layer type so we can use it
// The first argument is an ID. Use negative
// or 2000+ for custom layers. It must be unique
var CustomLayerType = gopacket.RegisterLayerType(
2001,
gopacket.LayerTypeMetadata{
"CustomLayerType",
gopacket.DecodeFunc(decodeCustomLayer),
},
)
// When we inquire about the type, what type of layer should
// we say it is? We want it to return our custom layer type
func (l CustomLayer) LayerType() gopacket.LayerType {
return CustomLayerType
}
// LayerContents returns the information that our layer
// provides. In this case it is a header layer so
// we return the header information
func (l CustomLayer) LayerContents() []byte {
return []byte{l.SomeByte, l.AnotherByte}
}