net.sourceforge.jpcap.net
Class UDPPacket

java.lang.Object
  net.sourceforge.jpcap.net.Packet
      net.sourceforge.jpcap.net.EthernetPacket
          net.sourceforge.jpcap.net.IPPacket
              net.sourceforge.jpcap.net.UDPPacket

All Implemented Interfaces:

EthernetFields, IPFields, java.io.Serializable, UDPFields

public class UDPPacket

extends IPPacket

implements UDPFields, java.io.Serializable

A UDP packet.

Extends an IP packet, adding a UDP header and UDP data payload.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class net.sourceforge.jpcap.net.IPPacket

IPPacket.TestProbe

Field Summary

Fields inherited from class net.sourceforge.jpcap.net.IPPacket

_ipOffset

Fields inherited from class net.sourceforge.jpcap.net.EthernetPacket

_bytes, _ethOffset

Fields inherited from interface net.sourceforge.jpcap.net.UDPFields

UDP_CSUM_LEN, UDP_CSUM_POS, UDP_DP_POS, UDP_HEADER_LEN, UDP_LEN_LEN, UDP_LEN_POS, UDP_PORT_LEN, UDP_SP_POS

Fields inherited from interface net.sourceforge.jpcap.net.IPFields

IP_CODE_LEN, IP_CODE_POS, IP_CSUM_LEN, IP_CSUM_POS, IP_DST_POS, IP_FRAG_LEN, IP_FRAG_POS, IP_HEADER_LEN, IP_ID_LEN, IP_ID_POS, IP_LEN_LEN, IP_LEN_POS, IP_SRC_POS, IP_TOS_LEN, IP_TOS_POS, IP_TTL_LEN, IP_TTL_POS, IP_VER_LEN, IP_VER_POS

Fields inherited from interface net.sourceforge.jpcap.net.EthernetFields

ETH_CODE_LEN, ETH_CODE_POS, ETH_DST_POS, ETH_HEADER_LEN, ETH_SRC_POS

Constructor Summary

UDPPacket(int lLen, byte[] bytes)
Create a new UDP packet.

Method Summary

int	getChecksum() Fetch the header checksum.
java.lang.String	getColor() Fetch ascii escape sequence of the color associated with this packet type.
byte[]	getData() Fetch the UDP data as a byte array.
int	getDestinationPort() Fetch the port number on the target host.
byte[]	getHeader() Fetch the UDP header as a byte array.
int	getLength() Fetch the total length of the UDP packet, including header and data payload, in bytes.
int	getSourcePort() Fetch the port number on the source host.
int	getUDPChecksum() Fetch the header checksum.
byte[]	getUDPData() Fetch the UDP data as a byte array.
byte[]	getUDPHeader() Fetch the UDP header a byte array.
java.lang.String	toColoredString(boolean colored) Generate string with contents describing this UDP packet.
java.lang.String	toString() Convert this UDP packet to a readable string.

Methods inherited from class net.sourceforge.jpcap.net.IPPacket

computeReceiverChecksum, computeReceiverIPChecksum, computeSenderChecksum, computeSenderIPChecksum, getDestinationAddress, getDestinationAddressAsLong, getDestinationAddressBytes, getFragmentFlags, getFragmentOffset, getHeaderLength, getId, getIPChecksum, getIPData, getIPHeader, getIpHeaderLength, getIPHeaderLength, getIPProtocol, getProtocol, getSourceAddress, getSourceAddressAsLong, getSourceAddressBytes, getTimeToLive, getTypeOfService, getVersion, isValidChecksum, isValidIPChecksum, onesCompSum, toColoredVerboseString

Methods inherited from class net.sourceforge.jpcap.net.EthernetPacket

getDestinationHwAddress, getEthernetData, getEthernetHeader, getEthernetHeaderLength, getEthernetProtocol, getSourceHwAddress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UDPPacket

public UDPPacket(int lLen,
                 byte[] bytes)

Create a new UDP packet.

Method Detail

getSourcePort

public int getSourcePort()

Fetch the port number on the source host.

getDestinationPort

public int getDestinationPort()

Fetch the port number on the target host.

getLength

public int getLength()

Fetch the total length of the UDP packet, including header and data payload, in bytes.

Overrides:

getLength in class IPPacket

getUDPChecksum

public int getUDPChecksum()

Fetch the header checksum.

getChecksum

public int getChecksum()

Fetch the header checksum.

Overrides:

getChecksum in class IPPacket

getUDPHeader

public byte[] getUDPHeader()

Fetch the UDP header a byte array.

getHeader

public byte[] getHeader()

Fetch the UDP header as a byte array.

Overrides:

getHeader in class IPPacket

getUDPData

public byte[] getUDPData()

Fetch the UDP data as a byte array.

getData

public byte[] getData()

Fetch the UDP data as a byte array.

Overrides:

getData in class IPPacket

toString

public java.lang.String toString()

Convert this UDP packet to a readable string.

Overrides:

toString in class IPPacket

toColoredString

public java.lang.String toColoredString(boolean colored)

Generate string with contents describing this UDP packet.

Overrides:

toColoredString in class IPPacket

Parameters:

colored - whether or not the string should contain ansi color escape sequences.

getColor

public java.lang.String getColor()

Fetch ascii escape sequence of the color associated with this packet type.

Overrides:

getColor in class IPPacket