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reassembly

package

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Versions in this module

v1

v1.1.19

Oct 19, 2020

v1.1.18

Jul 22, 2020

v1.1.17

May 9, 2019

v1.1.16

Feb 1, 2019

v1.1.15

Sep 20, 2018

v1.1.14

Sep 28, 2017

v1.1.13

Aug 8, 2017

Changes in this version

+ const TCPStateCloseWait

+ const TCPStateClosed

+ const TCPStateEstablished

+ const TCPStateLastAck

+ const TCPStateReset

+ const TCPStateSynSent

+ var DefaultAssemblerOptions = AssemblerOptions

+ type Assembler struct

+ func NewAssembler(pool *StreamPool) *Assembler

+ func (a *Assembler) Assemble(netFlow gopacket.Flow, t *layers.TCP)

+ func (a *Assembler) AssembleWithContext(netFlow gopacket.Flow, t *layers.TCP, ac AssemblerContext)

+ func (a *Assembler) Dump() string

+ func (a *Assembler) FlushAll() (closed int)

+ func (a *Assembler) FlushCloseOlderThan(t time.Time) (flushed, closed int)

+ func (a *Assembler) FlushWithOptions(opt FlushOptions) (flushed, closed int)

+ type AssemblerContext interface

+ GetCaptureInfo func() gopacket.CaptureInfo

+ type AssemblerOptions struct

+ MaxBufferedPagesPerConnection int

+ MaxBufferedPagesTotal int

+ type FlushOptions struct

+ T time.Time

+ TC time.Time

+ type ScatterGather interface

+ CaptureInfo func(offset int) gopacket.CaptureInfo

+ Fetch func(length int) []byte

+ Info func() (direction TCPFlowDirection, start bool, end bool, skip int)

+ KeepFrom func(offset int)

+ Lengths func() (int, int)

+ Stats func() TCPAssemblyStats

+ type Sequence int64

+ func (s Sequence) Add(t int) Sequence

+ func (s Sequence) Difference(t Sequence) int

+ type Stream interface

+ Accept func(tcp *layers.TCP, ci gopacket.CaptureInfo, dir TCPFlowDirection, ...) bool

+ ReassembledSG func(sg ScatterGather, ac AssemblerContext)

+ ReassemblyComplete func(ac AssemblerContext) bool

+ type StreamFactory interface

+ New func(netFlow, tcpFlow gopacket.Flow, tcp *layers.TCP, ac AssemblerContext) Stream

+ type StreamPool struct

+ func NewStreamPool(factory StreamFactory) *StreamPool

+ func (p *StreamPool) Dump()

+ type TCPAssemblyStats struct

+ Chunks int

+ OverlapBytes int

+ OverlapPackets int

+ Packets int

+ QueuedBytes int

+ QueuedPackets int

+ type TCPFlowDirection bool

+ const TCPDirClientToServer

+ const TCPDirServerToClient

+ func (dir TCPFlowDirection) Reverse() TCPFlowDirection

+ func (dir TCPFlowDirection) String() string

+ type TCPOptionCheck struct

+ func NewTCPOptionCheck() TCPOptionCheck

+ func (t *TCPOptionCheck) Accept(tcp *layers.TCP, ci gopacket.CaptureInfo, dir TCPFlowDirection, acked Sequence, ...) error

+ type TCPSimpleFSM struct

+ func NewTCPSimpleFSM(options TCPSimpleFSMOptions) *TCPSimpleFSM

+ func (t *TCPSimpleFSM) CheckState(tcp *layers.TCP, dir TCPFlowDirection) bool

+ func (t *TCPSimpleFSM) String() string

+ type TCPSimpleFSMOptions struct

+ SupportMissingEstablishment bool