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{} },
)
}
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{} },
)
}
func init() {
layerTypes := make([]gopacket.LayerType, 0, 256)
for i := 0; i < 256; i++ {
if TomMessageTypeNames[i] == "" {
continue
}
tomMessageType := TomMessageType(i)
layerTypeMetadata := gopacket.LayerTypeMetadata{
Name: TomMessageTypeNames[i],
Decoder: tomMessageType,
}
layerType := gopacket.RegisterLayerType(TOM_LAYERS_BASE_NUM+i, layerTypeMetadata)
layerTypes = append(layerTypes, layerType)
creator := TomMessageCreators[i]
createLayer := func() TomMessage {
m := creator()
m.Base().Type = tomMessageType
return m
}
TomMessageTypeMetadata[i] = EnumMessageTypeMetadata{
Name: TomMessageTypeNames[i],
LayerType: layerType,
CreateLayer: createLayer,
}
}
for i := 0; i < 256; i++ {
if TomMessageTypeMetadata[i].Name == "" {
// unknown message type
TomMessageTypeMetadata[i] = TomMessageTypeMetadata[TomMessageTypeUnknown]
}
}
LayerClassTom = gopacket.NewLayerClass(layerTypes)
}
func init() {
layerTypes := make([]gopacket.LayerType, 0, 256)
for i := 0; i < 256; i++ {
if IttoMessageTypeNames[i] == "" {
continue
}
ittoMessageType := IttoMessageType(i)
layerTypeMetadata := gopacket.LayerTypeMetadata{
Name: IttoMessageTypeNames[i],
Decoder: ittoMessageType,
}
layerType := gopacket.RegisterLayerType(ITTO_LAYERS_BASE_NUM+i, layerTypeMetadata)
layerTypes = append(layerTypes, layerType)
creator := IttoMessageCreators[i]
createLayer := func() IttoMessage {
m := creator()
m.Base().Type = ittoMessageType
return m
}
IttoMessageTypeMetadata[i] = EnumMessageTypeMetadata{
Name: IttoMessageTypeNames[i],
IsShort: IttoMessageIsShort[i],
LayerType: layerType,
CreateLayer: createLayer,
}
}
for i := 0; i < 256; i++ {
if IttoMessageTypeMetadata[i].Name == "" {
// unknown message type
IttoMessageTypeMetadata[i] = IttoMessageTypeMetadata[IttoMessageTypeUnknown]
}
}
LayerClassItto = gopacket.NewLayerClass(layerTypes)
}
// 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)})
// 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
}
// Copyright (c) Ilia Kravets, 2015. All rights reserved. PROVIDED "AS IS"
// WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. See LICENSE file for details.
package bats
import (
"encoding/binary"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/ikravets/errs"
"my/ev/packet"
)
var LayerTypeBSU = gopacket.RegisterLayerType(12000, gopacket.LayerTypeMetadata{"BatsSequencedUnit", nil /*FIXME*/})
type BSU struct {
layers.BaseLayer
Length uint16
Count uint8
Unit uint8
Sequence uint32
tps []packet.TypedPayload
}
var (
_ packet.DecodingMultiLayer = &BSU{}
_ gopacket.Layer = &BSU{}
_ gopacket.DecodingLayer = &BSU{}
)
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 {
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 {
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
// 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
* 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 {
"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{} },
// 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}