org.onosproject.routing.fpm.protocol

Class Netlink

java.lang.Object

org.onosproject.routing.fpm.protocol.Netlink

public final class Netlink
extends Object

Netlink header.

Taken from struct nlmsghdr in linux/netlink.h

Field Summary

Fields

Modifier and Type	Field and Description
static int	NETLINK_HEADER_LENGTH

Method Summary

Modifier and Type	Method and Description
static Netlink	decode(byte[] buffer, int start, int length) Decodes a netlink header from an input buffer.
int	flags() Returns the flags.
long	length() Returns the message length.
long	processPortId() Returns the port ID.
RtNetlink	rtNetlink() Returns the netlink routing message.
long	sequence() Returns the sequence number.
String	toString()
NetlinkMessageType	type() Returns the message type.

Methods inherited from class java.lang.Object

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

Field Detail

NETLINK_HEADER_LENGTH

public static final int NETLINK_HEADER_LENGTH

See Also:

Constant Field Values

Method Detail

length

public long length()

Returns the message length.

Returns:

length

type

public NetlinkMessageType type()

Returns the message type.

Returns:

message type

flags

public int flags()

Returns the flags.

Returns:

flags

sequence

public long sequence()

Returns the sequence number.

Returns:

sequence number

processPortId

public long processPortId()

Returns the port ID.

Returns:

port ID

rtNetlink

public RtNetlink rtNetlink()

Returns the netlink routing message.

Returns:

netlink routing message

toString

public String toString()

Overrides:

toString in class Object

decode

public static Netlink decode(byte[] buffer,
                             int start,
                             int length)
                      throws org.onlab.packet.DeserializationException

Decodes a netlink header from an input buffer.

Parameters:

buffer - input buffer

start - starting position the netlink header

length - length of the message

Returns:

netlink header

Throws:

org.onlab.packet.DeserializationException - if a netlink header could not be decoded from the input buffer