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) Gets Bottom Bit.
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:

ByteBuf

byteBufForMplsLabelWithBottomBit

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

Serializes incoming MplsLabel with bottom bit.

Parameters:

label - MplsLabel object

Returns:

ByteBuf

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)

Gets Bottom Bit.

Parameters:

slice - with 20 leftmost bits as label

Returns:

value of bottom bit