packet

Feb 8, 2021

Changes in this version

+ const IPProtocolICMP

+ const IPProtocolTCP

+ const IPProtocolUDP

+ const PacketFailureAuth

+ const PacketFailureCreate

+ const PacketFailureService

+ const PacketStageAuth

+ const PacketStageIncoming

+ const PacketStageOutgoing

+ const PacketStageService

+ const PacketTypeApplication

+ const PacketTypeNetwork

+ const TCPAckMask

+ const TCPAuthenticationOption

+ const TCPFinMask

+ const TCPMssOption

+ const TCPMssOptionLen

+ const TCPPshMask

+ const TCPRstMask

+ const TCPSynAckMask

+ const TCPSynMask

+ const UDPAckMask

+ const UDPAuthMarker

+ const UDPAuthMarkerLen

+ const UDPDataPacket

+ const UDPDataPos

+ const UDPFinAckMask

+ const UDPPacketMask

+ const UDPSignatureLen

+ const UDPSynAckMask

+ const UDPSynMask

+ func CreateUDPAuthMarker(packetType uint8) []byte

+ func GetUDPTypeFromBuffer(buffer []byte) byte

+ func TCPFlagsToStr(flags uint8) string

+ type IPver int

+ const V4

+ const V6

+ type Packet struct

+ ConnectionMetadata interface{}

+ Mark string

+ PlatformMetadata interface{}

+ SvcMetadata interface{}

+ func New(context uint64, bytes []byte, mark string, lengthValidate bool) (packet *Packet, err error)

+ func TestGetTCPPacket(srcIP, dstIP net.IP, srcPort, dstPort uint16) *Packet

+ func (p *Packet) CheckTCPAuthenticationOption(iOptionLength int) (err error)

+ func (p *Packet) ConvertAcktoFinAck() error

+ func (p *Packet) CreateReverseFlowPacket()

+ func (p *Packet) DecreaseTCPAck(decr uint32)

+ func (p *Packet) DecreaseTCPSeq(decr uint32)

+ func (p *Packet) DestPort() uint16

+ func (p *Packet) DestinationAddress() net.IP

+ func (p *Packet) DropTCPDetachedBytes()

+ func (p *Packet) DropTCPDetachedDataBytes()

+ func (p *Packet) FixupIPHdrOnDataModify(old, new uint16)

+ func (p *Packet) FixuptcpHdrOnTCPDataAttach(tcpOptions []byte, tcpData []byte)

+ func (p *Packet) FixuptcpHdrOnTCPDataDetach(dataLength uint16, optionLength uint16)

+ func (p *Packet) GetBuffer(offset int) []byte

+ func (p *Packet) GetIPLength() uint16

+ func (p *Packet) GetTCPBytes() []byte

+ func (p *Packet) GetTCPData() []byte

+ func (p *Packet) GetTCPFlags() uint8

+ func (p *Packet) GetTCPOptions() []byte

+ func (p *Packet) GetUDPData() []byte

+ func (p *Packet) GetUDPDataStartBytes() uint16

+ func (p *Packet) GetUDPType() byte

+ func (p *Packet) ID() string

+ func (p *Packet) IPHeaderLen() uint8

+ func (p *Packet) IPProto() uint8

+ func (p *Packet) IPTotalLen() uint16

+ func (p *Packet) IPversion() IPver

+ func (p *Packet) IncreaseTCPAck(incr uint32)

+ func (p *Packet) IncreaseTCPSeq(incr uint32)

+ func (p *Packet) IsEmptyTCPPayload() bool

+ func (p *Packet) L4FlowHash() string

+ func (p *Packet) L4ReverseFlowHash() string

+ func (p *Packet) PacketToStringTCP() string

+ func (p *Packet) Print(context uint64, packetLogLevel bool)

+ func (p *Packet) ReadTCPData() []byte

+ func (p *Packet) ReadTCPDataString() string

+ func (p *Packet) ReadUDPToken() []byte

+ func (p *Packet) SetTCPData(b []byte)

+ func (p *Packet) SetTCPFlags(flags uint8)

+ func (p *Packet) SourceAddress() net.IP

+ func (p *Packet) SourcePort() uint16

+ func (p *Packet) SourcePortHash(stage uint64) string

+ func (p *Packet) TCPDataAttach(tcpOptions []byte, tcpData []byte) (err error)

+ func (p *Packet) TCPDataDetach(optionLength uint16) (err error)

+ func (p *Packet) TCPDataLength() int

+ func (p *Packet) TCPDataStartBytes() uint16

+ func (p *Packet) TCPOptionLength() int

+ func (p *Packet) TCPSequenceNumber() uint32

+ func (p *Packet) UDPDataAttach(header, udpdata []byte)

+ func (p *Packet) UDPDataDetach()

+ func (p *Packet) UDPTokenAttach(udpdata []byte, udptoken []byte)

+ func (p *Packet) UpdateIPv4Checksum()

+ func (p *Packet) UpdateTCPChecksum()

+ func (p *Packet) VerifyIPv4Checksum() bool

+ func (p *Packet) VerifyTCPChecksum() bool