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gopacket

package module

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Versions in this module

v0

v0.1.10

Jan 11, 2025

v0.1.9

Jan 11, 2025

v0.1.8

Jan 11, 2025

v0.1.7

Jan 11, 2025

v0.1.6

Jan 10, 2025

v0.1.5

Jan 8, 2025

v0.1.4

Jan 5, 2025

v0.1.3

Dec 31, 2024

v0.1.2

Dec 31, 2024

Changes in this version

+ const MaxEndpointSize

+ var DecodeStreamsAsDatagrams = DecodeOptions

+ var DecodersByLayerName = map[string]Decoder

+ var Default = DecodeOptions

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

+ var InvalidEndpoint = NewEndpoint(EndpointInvalid, nil)

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

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

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

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

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

+ var Lazy = DecodeOptions

+ var NoCopy = DecodeOptions

+ var TimestampResolutionCaptureInfo = TimestampResolutionNanosecond

+ var TimestampResolutionInvalid = TimestampResolution

+ var TimestampResolutionMicrosecond = TimestampResolution

+ var TimestampResolutionMillisecond = TimestampResolution

+ var TimestampResolutionNTP = TimestampResolution

+ var TimestampResolutionNanosecond = TimestampResolution

+ func LayerDump(l Layer) string

+ func LayerGoString(l Layer) string

+ func LayerString(l Layer) string

+ func LongBytesGoString(buf []byte) string

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

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

+ type ApplicationLayer interface

+ Payload func() []byte

+ type CaptureInfo struct

+ AncillaryData []interface{}

+ CaptureLength int

+ InterfaceIndex 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()

+ var NilDecodeFeedback DecodeFeedback = nilDecodeFeedback{}

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

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

+ type DecodeOptions struct

+ DecodeStreamsAsDatagrams bool

+ Lazy bool

+ NoCopy bool

+ SkipDecodeRecovery bool

+ type Decoder interface

+ Decode func([]byte, PacketBuilder) error

+ var DecodeFragment Decoder = DecodeFunc(decodeFragment)

+ 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 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 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) SetDecodingLayerContainer(dlc DecodingLayerContainer)

+ func (l *DecodingLayerParser) SetTruncated()

+ type DecodingLayerParserOptions struct

+ IgnorePanic bool

+ IgnoreUnsupported bool

+ 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

+ type Dumper interface

+ Dump func() string

+ type Endpoint struct

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

+ func (a Endpoint) EndpointType() EndpointType

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

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

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

+ func (a Endpoint) String() string

+ type EndpointType int64

+ 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

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

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

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

+ func (f Flow) EndpointType() EndpointType

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

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

+ func (f Flow) Reverse() Flow

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

+ func (f Flow) String() string

+ 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 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

+ func OverrideLayerType(num int, meta LayerTypeMetadata) LayerType

+ 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)

+ DecodeOptions func() *DecodeOptions

+ 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)

+ func ConcatFinitePacketDataSources(pds ...PacketDataSource) PacketDataSource

+ 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 PacketSourceResolution interface

+ Resolution func() TimestampResolution

+ type Payload []byte

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

+ func (p Payload) CanDecode() LayerClass

+ func (p Payload) GoString() string

+ 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

+ LayerType func() LayerType

+ SerializeTo func(b SerializeBuffer, opts SerializeOptions) error

+ type SerializeBuffer interface

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

+ Bytes func() []byte

+ Clear func() error

+ Layers func() []LayerType

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

+ PushLayer func(LayerType)

+ func NewSerializeBuffer() SerializeBuffer

+ func NewSerializeBufferExpectedSize(expectedPrependLength, expectedAppendLength int) SerializeBuffer

+ type SerializeOptions struct

+ ComputeChecksums bool

+ FixLengths bool

+ type TimestampResolution struct

+ Base int

+ Exponent int

+ func (t TimestampResolution) String() string

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

+ 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)