org.opendaylight.protocol.util

Class MplsLabelUtil

java.lang.Object

org.opendaylight.protocol.util.MplsLabelUtil

public final class MplsLabelUtil
extends Object

Util class for encoding/decoding 20bit leftmost value.

Method Summary

Modifier and Type	Method and Description
static io.netty.buffer.ByteBuf	byteBufForMplsLabel(MplsLabel label) Serializes incoming MplsLabel without bottom bit
static io.netty.buffer.ByteBuf	byteBufForMplsLabelWithBottomBit(MplsLabel label) Serializes incoming MplsLabel with bottom bit
static boolean	getBottomBit(io.netty.buffer.ByteBuf slice)
static int	intForMplsLabel(MplsLabel label) Makes a value of incoming label 20 leftmost bits in 24bit number
static MplsLabel	mplsLabelForByteBuf(io.netty.buffer.ByteBuf buffer) Creates and returns MplsLabel object from 20 leftmost bits in the incoming buffer.

Methods inherited from class java.lang.Object

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

Method Detail

mplsLabelForByteBuf

public static MplsLabel mplsLabelForByteBuf(io.netty.buffer.ByteBuf buffer)

Creates and returns MplsLabel object from 20 leftmost bits in the incoming buffer. Moves reader index by 3.

Parameters:

buffer - expecting 3 bytes with 20 leftmost bits as label

Returns:

MplsLabel object

byteBufForMplsLabel

public static io.netty.buffer.ByteBuf byteBufForMplsLabel(MplsLabel label)

Serializes incoming MplsLabel without bottom bit

Parameters:

label - MplsLabel object

Returns:

byteBufForMplsLabelWithBottomBit

public static io.netty.buffer.ByteBuf byteBufForMplsLabelWithBottomBit(MplsLabel label)

Serializes incoming MplsLabel with bottom bit

Parameters:

label - MplsLabel object

Returns:

intForMplsLabel

public static int intForMplsLabel(MplsLabel label)

Makes a value of incoming label 20 leftmost bits in 24bit number

Parameters:

label - object

Returns:

shifted value

getBottomBit

public static boolean getBottomBit(io.netty.buffer.ByteBuf slice)

Parameters:

slice - with 20 leftmost bits as label

Returns:

value of bottom bit