net.sourceforge.jpcap.net
Class IPPacket

java.lang.Object
  net.sourceforge.jpcap.net.Packet
      net.sourceforge.jpcap.net.EthernetPacket
          net.sourceforge.jpcap.net.IP.Packet
              net.sourceforge.jpcap.net.IPv4.Packet
                  net.sourceforge.jpcap.net.IPPacket

All Implemented Interfaces:

Serializable, EthernetFields, IPFields

Direct Known Subclasses:

ICMPPacket, IGMPPacket, TCPPacket, UDPPacket

public class IPPacket
extends IPv4.Packet
implements IPFields

An IP protocol packet.

Extends an ethernet packet, adding IP header information and an IP data payload.

Version:

$Revision: 1.1 $

Author:

Patrick Charles, Jonas Lehmann, Esmond Pitt

See Also:

Serialized Form

Last modified by:

$Author: esmondpitt $

Last modified at:

$Date: 2008/08/21 02:58:22 $

Nested Class Summary

class

IPPacket.TestProbe This inner class provides access to private methods for unit testing.

Field Summary

Fields inherited from class net.sourceforge.jpcap.net.IP.Packet

_ipHeaderLength, _ipOffset

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

_byteBuffer, _bytes, _ethOffset, _timeval

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

IPPacket(int lLen, byte[] bytes)
Create a new IP packet.

IPPacket(int lLen, byte[] bytes, Timeval tv)
Create a new IP packet.

IPPacket(int lLen, ByteBuffer bb, Timeval tv)
Create a new IP packet.

Method Summary

String	getDestinationAddress() Deprecated. Please use IPv4.Packet.getDestinationInetAddress()
long	getDestinationAddressAsLong() Deprecated. Too long for IPv4 and not long enough for IPv6: please use IPv4.Packet.getDestinationInetAddress()
byte[]	getDestinationAddressBytes() Deprecated. Please use IPv4.Packet.getDestinationInetAddress()
int	getIpHeaderLength() Deprecated. Please use IPv4.Packet.getIPHeaderLength()
String	getSourceAddress() Deprecated. Please use IPv4.Packet.getSourceInetAddress()
long	getSourceAddressAsLong() Deprecated. Too long for IPv4 and not long enough for IPv6: please use IPv4.Packet.getSourceInetAddress()
byte[]	getSourceAddressBytes() Deprecated. Please use IPv4.Packet.getSourceInetAddress()
protected int	onesCompSum(byte[] bytes, int offset, int len) Deprecated. Please call Packet.ipChecksum(byte[], int, int).

Methods inherited from class net.sourceforge.jpcap.net.IPv4.Packet

computeReceiverChecksum, computeReceiverIPChecksum, computeSenderChecksum, computeSenderIPChecksum, getChecksum, getDestinationInetAddress, getFragmentFlags, getFragmentOffset, getId, getIPChecksum, getIPData, getIPHeader, getIPHeaderLength, getIPProtocol, getLength, getProtocol, getSourceInetAddress, getTimeToLive, getTypeOfService, getVersion, isValidChecksum, isValidIPChecksum, setChecksums, setDestinationInetAddress, setSourceInetAddress, toColoredVerboseString

Methods inherited from class net.sourceforge.jpcap.net.IP.Packet

getColor, getData, getHeader, getHeaderLength, toColoredString

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

equals, getDestinationHwAddress, getDestinationMACAddress, getEthernetCRC32, getEthernetData, getEthernetHeader, getEthernetHeaderLength, getEthernetProtocol, getPacketData, getPacketLength, getSourceHwAddress, getSourceMACAddress, getTimeval, hashCode, setDestinationMACAddress, setEthernetProtocol, setSourceMACAddress, toByteArray, toString

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

ipChecksum

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IPPacket

public IPPacket(int lLen,
                byte[] bytes)

Create a new IP packet.

Parameters:

lLen - link-layer header length

bytes - Packet data

IPPacket

public IPPacket(int lLen,
                byte[] bytes,
                Timeval tv)

Create a new IP packet.

Parameters:

lLen - link-layer header length

bytes - Packet data

tv - Timestamp

IPPacket

public IPPacket(int lLen,
                ByteBuffer bb,
                Timeval tv)

Create a new IP packet.

Parameters:

lLen - link-layer header length

bb - Packet data in a ByteBuffer

tv - Timestamp

Since:

2.0.0

Method Detail

getIpHeaderLength

@Deprecated
public int getIpHeaderLength()

Deprecated. Please use IPv4.Packet.getIPHeaderLength()

Fetch the IP header length in bytes.

getSourceAddress

@Deprecated
public String getSourceAddress()

Deprecated. Please use IPv4.Packet.getSourceInetAddress()

Fetch the IP address of the host where the packet originated from.

Returns:

the source IP address

getSourceAddressBytes

@Deprecated
public byte[] getSourceAddressBytes()

Deprecated. Please use IPv4.Packet.getSourceInetAddress()

Fetch the source IP address as a byte array.

Returns:

the source IP address as a byte array

getSourceAddressAsLong

@Deprecated
public long getSourceAddressAsLong()

Deprecated. Too long for IPv4 and not long enough for IPv6: please use IPv4.Packet.getSourceInetAddress()

Fetch the source IP address as a long.

Returns:

the source IP address as a long

getDestinationAddress

public String getDestinationAddress()

Deprecated. Please use IPv4.Packet.getDestinationInetAddress()

Fetch the IP address of the host where the packet is destined.

Returns:

the destination IP address

getDestinationAddressBytes

@Deprecated
public byte[] getDestinationAddressBytes()

Deprecated. Please use IPv4.Packet.getDestinationInetAddress()

Fetch the destination IP address as a byte array.

Returns:

the destination IP address as a byte array

getDestinationAddressAsLong

@Deprecated
public long getDestinationAddressAsLong()

Deprecated. Too long for IPv4 and not long enough for IPv6: please use IPv4.Packet.getDestinationInetAddress()

Fetch the destination IP address as a long.

Returns:

the destination IP address as a long

onesCompSum

@Deprecated
protected int onesCompSum(byte[] bytes,
                                     int offset,
                                     int len)

Deprecated. Please call Packet.ipChecksum(byte[], int, int).

Provided for binary compability only. No longer used. Now calls Packet.ipChecksum(byte[], int, int)