edu.utah.janos.util
Interface PacketSegment

All Known Implementing Classes:

PaddingPacketSegment, PlainPacketSegment, IPHeader, ICMPHeader, UDPHeader

public interface PacketSegment

A PacketSegment is a simple interface for marshalling/unmarshalling segments of a larger packet.

Method Summary

int	getLength()
int	marshal(BufferHandle bh, int offset)
int	unmarshal(BufferHandle bh, int offset)

Method Detail

getLength

public int getLength()

Returns:

The length of this packet segment.

marshal

public int marshal(BufferHandle bh,
                   int offset)

Parameters:

bh - The buffer to marshal this packet into.

offset - The offset in the buffer to start marshalling.

unmarshal

public int unmarshal(BufferHandle bh,
                     int offset)
              throws InvalidPacketException

Parameters:

bh - The buffer that contains the marshalled packet segments.

offset - The offset in the buffer to start unmarshalling.