packetcapture

Documentation

Index

• type Handler
• type PacketCapture
  • func New(netInterface string) *PacketCapture
  • func (pc *PacketCapture) Close()
  • func (pc *PacketCapture) RegisterReceiver(receiver PacketReceiver)
  • func (pc *PacketCapture) Start() error
• type PacketReceiver

Types

type Handler

type Handler func(gopacket.Layer, gopacket.Packet)

Handler is passed to AddHandler() to capture a specific gopacket.LayerType.

type PacketCapture

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

func New

func New(netInterface string) *PacketCapture

New returns a new PacketCapture instance for the given netInterface

Close() must be called on the PacketCapture instance.

func (*PacketCapture) Close

func (pc *PacketCapture) Close()

func (*PacketCapture) RegisterReceiver

func (pc *PacketCapture) RegisterReceiver(receiver PacketReceiver)

RegisterReceiver registers a receiver for a given set of gopacket LayerTypes.

Each PacketReceiver will be called each time a packet in the set of LayerTypes is received.

Calls to PacketReceiver.Receiver happen in a separate goroutine.

func (*PacketCapture) Start

func (pc *PacketCapture) Start() error

type PacketReceiver

type PacketReceiver interface {
	LayerTypes() []gopacket.LayerType
	Receive(gopacket.Layer, gopacket.Packet)
}

PacketReceiver implementations can be registered with a PacketCapture to be recieve all the packets for a specified set of LayerTypes.