tcp

Documentation

Index

• Constants
• func TcpSeqBefore(seq1 uint32, seq2 uint32) bool
• func TcpSeqBeforeEq(seq1 uint32, seq2 uint32) bool
• type Processor
• type Tcp
  • func NewTcp(p protos.Protocols) (*Tcp, error)
  • func (tcp *Tcp) PrintTcpMap()
  • func (tcp *Tcp) Process(tcphdr *layers.TCP, pkt *protos.Packet)
• type TcpStream
  • func (stream *TcpStream) AddPacket(pkt *protos.Packet, tcphdr *layers.TCP, original_dir uint8)
  • func (stream *TcpStream) Expire()
  • func (stream *TcpStream) GapInStream(original_dir uint8, nbytes int) (drop bool)

Constants

const (
	TcpDirectionReverse  = 0
	TcpDirectionOriginal = 1
)

const TCP_MAX_DATA_IN_STREAM = 10 * 1e6

const TCP_STREAM_EXPIRY = 10 * 1e9

const TCP_STREAM_HASH_SIZE = 2 ^ 16

Functions

func TcpSeqBefore

func TcpSeqBefore(seq1 uint32, seq2 uint32) bool

func TcpSeqBeforeEq

func TcpSeqBeforeEq(seq1 uint32, seq2 uint32) bool

Types

type Processor

type Processor interface {
	Process(tcphdr *layers.TCP, pkt *protos.Packet)
}

type Tcp

type Tcp struct {
	// contains filtered or unexported fields
}

func NewTcp

func NewTcp(p protos.Protocols) (*Tcp, error)

Creates and returns a new Tcp.

func (*Tcp) PrintTcpMap

func (tcp *Tcp) PrintTcpMap()

func (*Tcp) Process

func (tcp *Tcp) Process(tcphdr *layers.TCP, pkt *protos.Packet)

type TcpStream

type TcpStream struct {

	// protocols private data
	Data protos.ProtocolData
	// contains filtered or unexported fields
}

func (*TcpStream) AddPacket

func (stream *TcpStream) AddPacket(pkt *protos.Packet, tcphdr *layers.TCP, original_dir uint8)

func (*TcpStream) Expire

func (stream *TcpStream) Expire()

func (*TcpStream) GapInStream

func (stream *TcpStream) GapInStream(original_dir uint8, nbytes int) (drop bool)