Exemplo n.º 1
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// NewIPEndpoint creates a new IP (v4 or v6) endpoint from a net.IP address.
// It returns gopacket.InvalidEndpoint if the IP address is invalid.
func NewIPEndpoint(a net.IP) gopacket.Endpoint {
	switch len(a) {
	case 4:
		return gopacket.NewEndpoint(EndpointIPv4, []byte(a))
	case 16:
		return gopacket.NewEndpoint(EndpointIPv6, []byte(a))
	}
	return gopacket.InvalidEndpoint
}
Exemplo n.º 2
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import (
	"code.google.com/p/gopacket"
	"encoding/binary"
	"errors"
)

// PPP is the layer for PPP encapsulation headers.
type PPP struct {
	BaseLayer
	PPPType PPPType
}

// PPPEndpoint is a singleton endpoint for PPP.  Since there is no actual
// addressing for the two ends of a PPP connection, we use a singleton value
// named 'point' for each endpoint.
var PPPEndpoint = gopacket.NewEndpoint(EndpointPPP, nil)

// PPPFlow is a singleton flow for PPP.  Since there is no actual addressing for
// the two ends of a PPP connection, we use a singleton value to represent the
// flow for all PPP connections.
var PPPFlow = gopacket.NewFlow(EndpointPPP, nil, nil)

// LayerType returns LayerTypePPP
func (p *PPP) LayerType() gopacket.LayerType { return LayerTypePPP }

// LinkFlow returns PPPFlow.
func (p *PPP) LinkFlow() gopacket.Flow { return PPPFlow }

func decodePPP(data []byte, p gopacket.PacketBuilder) error {
	ppp := &PPP{}
	if data[0]&0x1 == 0 {
Exemplo n.º 3
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// NewRUDPPortEndpoint returns an endpoint based on a RUDP port.
func NewRUDPPortEndpoint(p RUDPPort) gopacket.Endpoint {
	return gopacket.NewEndpoint(EndpointRUDPPort, []byte{byte(p)})
}
Exemplo n.º 4
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func newPortEndpoint(t gopacket.EndpointType, p uint16) gopacket.Endpoint {
	return gopacket.NewEndpoint(t, []byte{byte(p >> 8), byte(p)})
}
Exemplo n.º 5
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// NewMACEndpoint returns a new MAC address endpoint.
func NewMACEndpoint(a net.HardwareAddr) gopacket.Endpoint {
	return gopacket.NewEndpoint(EndpointMAC, []byte(a))
}
Exemplo n.º 6
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// ForwardEndpoint returns the EthernetCTPForwardData ForwardAddress as an endpoint.
func (c *EthernetCTPForwardData) ForwardEndpoint() gopacket.Endpoint {
	return gopacket.NewEndpoint(EndpointMAC, c.ForwardAddress)
}