org.opendaylight.vtn.manager.internal.util.packet

Interface PacketHeader

All Known Subinterfaces:

CachedPacketContext, FlowActionContext, FlowFilterContext, FlowMatchContext, PathMapContext

All Known Implementing Classes:

PacketContext

public interface PacketHeader

PacketHeader describes a class that keeps protocol headers for each protocol layer.

Method Summary

Modifier and Type	Method and Description
EtherHeader	getEtherHeader() Return an EtherHeader instance which describes an Ethernet header and IEEE 802.1Q VLAN tag.
String	getHeaderDescription() Return a description about protocol headers.
InetHeader	getInetHeader() Returns an InetHeader instance which describes an IP header.
Layer4Header	getLayer4Header() Returns a Layer4Header instance which describes a layer 4 protocol header.

Method Detail

getEtherHeader

EtherHeader getEtherHeader()

Return an EtherHeader instance which describes an Ethernet header and IEEE 802.1Q VLAN tag.

Returns:

An EtherHeader instance.

getInetHeader

InetHeader getInetHeader()

Returns an InetHeader instance which describes an IP header.

Returns:

An InetHeader instance if a packet associated with this instance is an IP packet. Otherwise null.

getLayer4Header

Layer4Header getLayer4Header()

Returns a Layer4Header instance which describes a layer 4 protocol header.

Returns:

An Layer4Header instance if a packet associated with this instance contains a layer 4 protocol header. Otherwise null.

getHeaderDescription

String getHeaderDescription()

Return a description about protocol headers.

Returns:

A description about protocol headers.