drcl.diffserv
Class DFUtil

java.lang.Object
  drcl.diffserv.DFUtil

All Implemented Interfaces:

DFConstants

public class DFUtil

extends java.lang.Object

implements DFConstants

This class provides some utility functions for accessing the diffserv code points (DSCP) in the ToS field of a InetPacket.

Field Summary

Fields inherited from interface drcl.diffserv.DFConstants

_AF_CLASSES, _SINGLE_RATE, _TWO_RATE, AF11, AF11_TOS, AF12, AF12_TOS, AF13, AF13_TOS, AF1x, AF1x_TOS, AF21, AF21_TOS, AF22, AF22_TOS, AF23, AF23_TOS, AF2x, AF2x_TOS, AF31, AF31_TOS, AF32, AF32_TOS, AF33, AF33_TOS, AF3x, AF3x_TOS, BE, BE_TOS, DFCLASS_MASK, DSCPMask, DSCPShift, EF, EF_TOS, GREEN, IN_PROFILE, MODES, OUT_PROFILE, RED, SINGLE_RATE, TWO_RATE, YELLOW

Constructor Summary

DFUtil()

Method Summary

static java.lang.String	classify(InetPacket p_) Classifies the packet by the ToS value
static java.lang.String	classify(InetPacket p_, int label_) Classifies the packet by the ToS value
static java.lang.String	classify(long tos_) Classifies the packet by the ToS value
static int	getDSCP(InetPacket p_) Retrieves the DSCP field from the ToS field of the INET packet header.
static java.lang.String	printProfileKey(MapKey key_) Prints the ToS and mask in the hex form according to the ToS encoding.
static java.lang.String	printProfileKeyMask(MapKey key_) Prints the mask in the hex form according to the ToS encoding.
static java.lang.String	printProfileKeyValue(MapKey key_) Prints the ToS value in the hex form according to the ToS encoding.
static void	setDSCP(InetPacket p_, long code) Sets the DSCP field in the ToS field of the INET packet header.

Methods inherited from class java.lang.Object

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

Constructor Detail

DFUtil

public DFUtil()

Method Detail

classify

public static java.lang.String classify(long tos_)

Classifies the packet by the ToS value

classify

public static java.lang.String classify(InetPacket p_)

Classifies the packet by the ToS value

classify

public static java.lang.String classify(InetPacket p_,
                                        int label_)

Classifies the packet by the ToS value

printProfileKeyValue

public static java.lang.String printProfileKeyValue(MapKey key_)

Prints the ToS value in the hex form according to the ToS encoding.

printProfileKeyMask

public static java.lang.String printProfileKeyMask(MapKey key_)

Prints the mask in the hex form according to the ToS encoding.

printProfileKey

public static java.lang.String printProfileKey(MapKey key_)

Prints the ToS and mask in the hex form according to the ToS encoding.

getDSCP

public static int getDSCP(InetPacket p_)

Retrieves the DSCP field from the ToS field of the INET packet header.

setDSCP

public static void setDSCP(InetPacket p_,
                           long code)

Sets the DSCP field in the ToS field of the INET packet header.