gopacket

package module

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Versions in this module

v1

v1.1.20

Jun 7, 2022

Changes in this version

+ type DecodingLayerArray []decodingLayerElem

+ func (dl DecodingLayerArray) Decoder(typ LayerType) (DecodingLayer, bool)

+ func (dl DecodingLayerArray) LayersDecoder(first LayerType, df DecodeFeedback) DecodingLayerFunc

+ func (dl DecodingLayerArray) Put(d DecodingLayer) DecodingLayerContainer

+ type DecodingLayerContainer interface

+ Decoder func(LayerType) (DecodingLayer, bool)

+ LayersDecoder func(first LayerType, df DecodeFeedback) DecodingLayerFunc

+ Put func(DecodingLayer) DecodingLayerContainer

+ type DecodingLayerFunc func([]byte, *[]LayerType) (LayerType, error)

+ func LayersDecoder(dl DecodingLayerContainer, first LayerType, df DecodeFeedback) DecodingLayerFunc

+ type DecodingLayerMap map[LayerType]DecodingLayer

+ func (dl DecodingLayerMap) Decoder(typ LayerType) (DecodingLayer, bool)

+ func (dl DecodingLayerMap) LayersDecoder(first LayerType, df DecodeFeedback) DecodingLayerFunc

+ func (dl DecodingLayerMap) Put(d DecodingLayer) DecodingLayerContainer

type DecodingLayerParser

+ func (l *DecodingLayerParser) SetDecodingLayerContainer(dlc DecodingLayerContainer)

+ type DecodingLayerSparse []DecodingLayer

+ func (dl DecodingLayerSparse) Decoder(typ LayerType) (DecodingLayer, bool)

+ func (dl DecodingLayerSparse) LayersDecoder(first LayerType, df DecodeFeedback) DecodingLayerFunc

+ func (dl DecodingLayerSparse) Put(d DecodingLayer) DecodingLayerContainer

v1.1.16

Feb 1, 2019

Changes in this version

+ var DecodeStreamsAsDatagrams = DecodeOptions

+ var TimestampResolutionCaptureInfo = TimestampResolutionNanosecond

+ var TimestampResolutionInvalid = TimestampResolution

+ var TimestampResolutionMicrosecond = TimestampResolution

+ var TimestampResolutionMillisecond = TimestampResolution

+ var TimestampResolutionNTP = TimestampResolution

+ var TimestampResolutionNanosecond = TimestampResolution

+ func SerializePacket(buf SerializeBuffer, opts SerializeOptions, packet Packet) error

type CaptureInfo

+ AncillaryData []interface{}

type DecodeOptions

+ DecodeStreamsAsDatagrams bool

type DecodingLayerParserOptions

+ IgnoreUnsupported bool

type LayerType

+ func OverrideLayerType(num int, meta LayerTypeMetadata) LayerType

type PacketBuilder

+ DecodeOptions func() *DecodeOptions

type PacketDataSource

+ func ConcatFinitePacketDataSources(pds ...PacketDataSource) PacketDataSource

+ type PacketSourceResolution interface

+ Resolution func() TimestampResolution

type SerializableLayer

+ LayerType func() LayerType

type SerializeBuffer

+ Layers func() []LayerType

+ PushLayer func(LayerType)

+ type TimestampResolution struct

+ Base int

+ Exponent int

+ func (t TimestampResolution) String() string

+ func (t TimestampResolution) ToDuration() time.Duration

v1.1.12

Oct 19, 2016

Changes in this version

type CaptureInfo

+ InterfaceIndex int

v1.1.11

Sep 4, 2015

Changes in this version

+ func LayerGoString(l Layer) string

+ func LongBytesGoString(buf []byte) string

type DecodeOptions

+ SkipDecodeRecovery bool

type Payload

+ func (p Payload) GoString() string

v1.1.6

Jul 29, 2014

Changes in this version

type Decoder

+ var DecodeFragment Decoder = DecodeFunc(decodeFragment)

+ type Fragment []byte

+ func (p *Fragment) CanDecode() LayerClass

+ func (p *Fragment) DecodeFromBytes(data []byte, df DecodeFeedback) error

+ func (p *Fragment) LayerContents() []byte

+ func (p *Fragment) LayerPayload() []byte

+ func (p *Fragment) LayerType() LayerType

+ func (p *Fragment) NextLayerType() LayerType

+ func (p *Fragment) Payload() []byte

+ func (p *Fragment) SerializeTo(b SerializeBuffer, opts SerializeOptions) error

+ func (p *Fragment) String() string

type LayerType

+ var LayerTypeFragment LayerType = RegisterLayerType(3, LayerTypeMetadata{ ... })

v1.1.5

Jul 7, 2014

Changes in this version

type DecodeFeedback

+ var NilDecodeFeedback DecodeFeedback = nilDecodeFeedback{}

v1.1.3

Jun 23, 2014

v1.1.2

Jun 21, 2014

v1.1.1

Jun 16, 2014

v1.0.11

Apr 25, 2014

v1.0.10

Mar 31, 2014

v1.0.9

Mar 5, 2014

v1.0.8

Feb 13, 2014

v1.0.6

Jan 22, 2014

v1.0.5

Jan 21, 2014

v1.0.4

Dec 20, 2013

v1.0.3

Dec 20, 2013

v1.0.2

Dec 2, 2013

v1.0.0

Oct 4, 2013

Changes in this version

+ const MaxEndpointSize

+ var DecodersByLayerName = map[string]Decoder

+ func LayerDump(l Layer) string

+ func LayerString(l Layer) string

+ func SerializeLayers(w SerializeBuffer, opts SerializeOptions, layers ...SerializableLayer) error

+ type ApplicationLayer interface

+ Payload func() []byte

+ type CaptureInfo struct

+ CaptureLength int

+ Length int

+ Timestamp time.Time

+ type DecodeFailure struct

+ func (d *DecodeFailure) Dump() (s string)

+ func (d *DecodeFailure) Error() error

+ func (d *DecodeFailure) LayerContents() []byte

+ func (d *DecodeFailure) LayerPayload() []byte

+ func (d *DecodeFailure) LayerType() LayerType

+ func (d *DecodeFailure) String() string

+ type DecodeFeedback interface

+ SetTruncated func()

+ type DecodeFunc func([]byte, PacketBuilder) error

+ func (d DecodeFunc) Decode(data []byte, p PacketBuilder) error

+ type DecodeOptions struct

+ Lazy bool

+ NoCopy bool

+ var Default DecodeOptions = DecodeOptions{}

+ var Lazy DecodeOptions = DecodeOptions{ ... }

+ var NoCopy DecodeOptions = DecodeOptions{ ... }

+ type Decoder interface

+ Decode func([]byte, PacketBuilder) error

+ var DecodePayload Decoder = DecodeFunc(decodePayload)

+ var DecodeUnknown Decoder = DecodeFunc(decodeUnknown)

+ type DecodingLayer interface

+ CanDecode func() LayerClass

+ DecodeFromBytes func(data []byte, df DecodeFeedback) error

+ LayerPayload func() []byte

+ NextLayerType func() LayerType

+ type DecodingLayerParser struct

+ Truncated bool

+ func NewDecodingLayerParser(first LayerType, decoders ...DecodingLayer) *DecodingLayerParser

+ func (l *DecodingLayerParser) AddDecodingLayer(d DecodingLayer)

+ func (l *DecodingLayerParser) DecodeLayers(data []byte, decoded *[]LayerType) (err error)

+ func (l *DecodingLayerParser) SetTruncated()

+ type DecodingLayerParserOptions struct

+ IgnorePanic bool

+ type Dumper interface

+ Dump func() string

+ type Endpoint struct

+ var InvalidEndpoint Endpoint = NewEndpoint(EndpointInvalid, nil)

+ func NewEndpoint(typ EndpointType, raw []byte) (e Endpoint)

+ func (a Endpoint) FastHash() (h uint64)

+ func (a Endpoint) LessThan(b Endpoint) bool

+ func (e Endpoint) EndpointType() EndpointType

+ func (e Endpoint) Raw() []byte

+ func (e Endpoint) String() string

+ type EndpointType int64

+ var EndpointInvalid EndpointType = RegisterEndpointType(0, EndpointTypeMetadata{ ... })

+ func RegisterEndpointType(num int, meta EndpointTypeMetadata) EndpointType

+ func (e EndpointType) String() string

+ type EndpointTypeMetadata struct

+ Formatter func([]byte) string

+ Name string

+ type ErrorLayer interface

+ Error func() error

+ type Flow struct

+ var InvalidFlow Flow = NewFlow(EndpointInvalid, nil, nil)

+ func FlowFromEndpoints(src, dst Endpoint) (_ Flow, err error)

+ func NewFlow(t EndpointType, src, dst []byte) (f Flow)

+ func (a Flow) FastHash() (h uint64)

+ func (f Flow) Dst() (dst Endpoint)

+ func (f Flow) EndpointType() EndpointType

+ func (f Flow) Endpoints() (src, dst Endpoint)

+ func (f Flow) Reverse() Flow

+ func (f Flow) Src() (src Endpoint)

+ func (f Flow) String() string

+ type Layer interface

+ LayerContents func() []byte

+ LayerPayload func() []byte

+ LayerType func() LayerType

+ type LayerClass interface

+ Contains func(LayerType) bool

+ LayerTypes func() []LayerType

+ func NewLayerClass(types []LayerType) LayerClass

+ type LayerClassMap map[LayerType]bool

+ func NewLayerClassMap(types []LayerType) LayerClassMap

+ func (m LayerClassMap) Contains(t LayerType) bool

+ func (m LayerClassMap) LayerTypes() (all []LayerType)

+ type LayerClassSlice []bool

+ func NewLayerClassSlice(types []LayerType) LayerClassSlice

+ func (s LayerClassSlice) Contains(t LayerType) bool

+ func (s LayerClassSlice) LayerTypes() (all []LayerType)

+ type LayerType int64

+ var LayerTypeDecodeFailure LayerType = RegisterLayerType(1, LayerTypeMetadata{ ... })

+ var LayerTypePayload LayerType = RegisterLayerType(2, LayerTypeMetadata{ ... })

+ var LayerTypeZero LayerType = RegisterLayerType(0, LayerTypeMetadata{ ... })

+ func RegisterLayerType(num int, meta LayerTypeMetadata) LayerType

+ func (l LayerType) Contains(a LayerType) bool

+ func (l LayerType) LayerTypes() []LayerType

+ func (t LayerType) Decode(data []byte, c PacketBuilder) error

+ func (t LayerType) String() (s string)

+ type LayerTypeMetadata struct

+ Decoder Decoder

+ Name string

+ type LinkLayer interface

+ LinkFlow func() Flow

+ type NetworkLayer interface

+ NetworkFlow func() Flow

+ type Packet interface

+ ApplicationLayer func() ApplicationLayer

+ Data func() []byte

+ Dump func() string

+ ErrorLayer func() ErrorLayer

+ Layer func(LayerType) Layer

+ LayerClass func(LayerClass) Layer

+ Layers func() []Layer

+ LinkLayer func() LinkLayer

+ Metadata func() *PacketMetadata

+ NetworkLayer func() NetworkLayer

+ String func() string

+ TransportLayer func() TransportLayer

+ func NewPacket(data []byte, firstLayerDecoder Decoder, options DecodeOptions) Packet

+ type PacketBuilder interface

+ AddLayer func(l Layer)

+ DumpPacketData func()

+ NextDecoder func(next Decoder) error

+ SetApplicationLayer func(ApplicationLayer)

+ SetErrorLayer func(ErrorLayer)

+ SetLinkLayer func(LinkLayer)

+ SetNetworkLayer func(NetworkLayer)

+ SetTransportLayer func(TransportLayer)

+ type PacketDataSource interface

+ ReadPacketData func() (data []byte, ci CaptureInfo, err error)

+ type PacketMetadata struct

+ Truncated bool

+ type PacketSource struct

+ func NewPacketSource(source PacketDataSource, decoder Decoder) *PacketSource

+ func (p *PacketSource) NextPacket() (Packet, error)

+ func (p *PacketSource) Packets() chan Packet

+ type Payload []byte

+ func (p *Payload) CanDecode() LayerClass

+ func (p *Payload) DecodeFromBytes(data []byte, df DecodeFeedback) error

+ func (p *Payload) LayerContents() []byte

+ func (p *Payload) LayerPayload() []byte

+ func (p *Payload) LayerType() LayerType

+ func (p *Payload) NextLayerType() LayerType

+ func (p *Payload) Payload() []byte

+ func (p *Payload) SerializeTo(b SerializeBuffer, opts SerializeOptions) error

+ func (p *Payload) String() string

+ type SerializableLayer interface

+ SerializeTo func(b SerializeBuffer, opts SerializeOptions) error

+ type SerializeBuffer interface

+ AppendBytes func(num int) ([]byte, error)

+ Bytes func() []byte

+ Clear func() error

+ PrependBytes func(num int) ([]byte, error)

+ func NewSerializeBuffer() SerializeBuffer

+ func NewSerializeBufferExpectedSize(expectedPrependLength, expectedAppendLength int) SerializeBuffer

+ type SerializeOptions struct

+ ComputeChecksums bool

+ FixLengths bool

+ type TransportLayer interface

+ TransportFlow func() Flow

+ type UnsupportedLayerType LayerType

+ func (e UnsupportedLayerType) Error() string

+ type ZeroCopyPacketDataSource interface

+ ZeroCopyReadPacketData func() (data []byte, ci CaptureInfo, err error)

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