org.opendaylight.protocol.bgp.flowspec

Class AbstractFlowspecNlriParser

java.lang.Object

org.opendaylight.protocol.bgp.flowspec.AbstractFlowspecNlriParser

All Implemented Interfaces:

NlriParser, NlriSerializer

Direct Known Subclasses:

AbstractFlowspecL3vpnNlriParser, SimpleFlowspecIpv4NlriParser, SimpleFlowspecIpv6NlriParser

public abstract class AbstractFlowspecNlriParser
extends Object
implements NlriParser, NlriSerializer

Field Summary

Fields

Modifier and Type	Field and Description
static org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier	DEST_PREFIX_NID
protected SimpleFlowspecTypeRegistry	flowspecTypeRegistry
static org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier	OP_NID
static org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier	SOURCE_PREFIX_NID
static org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier	VALUE_NID

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFlowspecNlriParser(SimpleFlowspecTypeRegistry flowspecTypeRegistry)

Method Summary

Modifier and Type	Method and Description
abstract DestinationType	createAdvertizedRoutesDestinationType(Object[] nlriFields, PathId pathId) Create advertized destination type
abstract DestinationType	createWithdrawnDestinationType(Object[] nlriFields, PathId pathId) Create withdrawn destination type
List<Flowspec>	extractFlowspec(org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode<?> route)
abstract void	extractSpecificFlowspec(org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode fsType, FlowspecBuilder fsBuilder)
protected Object[]	parseNlri(io.netty.buffer.ByteBuf nlri) Override this function to parse additional NLRI fields
void	parseNlri(io.netty.buffer.ByteBuf nlri, MpReachNlriBuilder builder, PeerSpecificParserConstraint constraint) Parse MP UN_REACH NLRI from buffer.
void	parseNlri(io.netty.buffer.ByteBuf nlri, MpUnreachNlriBuilder builder, PeerSpecificParserConstraint constraint) Parse MP UN_REACH NLRI from buffer.
protected List<Flowspec>	parseNlriFlowspecList(io.netty.buffer.ByteBuf nlri) Parses Flowspec NLRI into list of Flowspec.
static int	readNlriLength(io.netty.buffer.ByteBuf nlri)
protected static PathId	readPathId(io.netty.buffer.ByteBuf nlri, Class<? extends AddressFamily> afi, Class<? extends SubsequentAddressFamily> safi, PeerSpecificParserConstraint constraint)
void	serializeAttribute(Attributes pathAttributes, io.netty.buffer.ByteBuf byteAggregator)
protected abstract void	serializeMpReachNlri(DestinationType dstType, io.netty.buffer.ByteBuf byteAggregator)
protected abstract void	serializeMpUnreachNlri(DestinationType dstType, io.netty.buffer.ByteBuf byteAggregator)
protected void	serializeNlri(List<Flowspec> flowspecList, io.netty.buffer.ByteBuf buffer)
protected void	serializeNlri(Object[] nlriFields, io.netty.buffer.ByteBuf buffer)
protected void	serializeNlri(Object[] nlriFields, PathId pathId, io.netty.buffer.ByteBuf buffer) Serializes Flowspec NLRI to ByteBuf.
String	stringNlri(org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode<?> flowspec)
protected String	stringNlri(List<Flowspec> flows)
protected abstract void	stringSpecificFSNlriType(FlowspecType value, StringBuilder buffer)

Methods inherited from class java.lang.Object

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

Field Detail

DEST_PREFIX_NID

public static final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier DEST_PREFIX_NID

SOURCE_PREFIX_NID

public static final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier SOURCE_PREFIX_NID

OP_NID

public static final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier OP_NID

VALUE_NID

public static final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier VALUE_NID

flowspecTypeRegistry

protected final SimpleFlowspecTypeRegistry flowspecTypeRegistry

Constructor Detail

AbstractFlowspecNlriParser

protected AbstractFlowspecNlriParser(SimpleFlowspecTypeRegistry flowspecTypeRegistry)

Method Detail

serializeMpReachNlri

protected abstract void serializeMpReachNlri(DestinationType dstType,
                                             io.netty.buffer.ByteBuf byteAggregator)

serializeMpUnreachNlri

protected abstract void serializeMpUnreachNlri(DestinationType dstType,
                                               io.netty.buffer.ByteBuf byteAggregator)

extractSpecificFlowspec

public abstract void extractSpecificFlowspec(org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode fsType,
                                             FlowspecBuilder fsBuilder)

stringSpecificFSNlriType

protected abstract void stringSpecificFSNlriType(FlowspecType value,
                                                 StringBuilder buffer)

createWithdrawnDestinationType

public abstract DestinationType createWithdrawnDestinationType(@Nonnull
                                                               Object[] nlriFields,
                                                               @Nullable
                                                               PathId pathId)

Create withdrawn destination type

Parameters:

nlriFields - a list of NLRI fields to be included in the destination type

pathId - associated path id with given NLRI

Returns:

created destination type

createAdvertizedRoutesDestinationType

public abstract DestinationType createAdvertizedRoutesDestinationType(@Nonnull
                                                                      Object[] nlriFields,
                                                                      @Nullable
                                                                      PathId pathId)

Create advertized destination type

Parameters:

nlriFields - a list of NLRI fields to be included in the destination type

pathId - associated path id with given NLRI

Returns:

created destination type

serializeAttribute

public final void serializeAttribute(Attributes pathAttributes,
                                     io.netty.buffer.ByteBuf byteAggregator)

Specified by:

serializeAttribute in interface NlriSerializer

serializeNlri

protected void serializeNlri(@Nonnull
                             Object[] nlriFields,
                             @Nonnull
                             io.netty.buffer.ByteBuf buffer)

serializeNlri

protected final void serializeNlri(List<Flowspec> flowspecList,
                                   @Nonnull
                                   io.netty.buffer.ByteBuf buffer)

serializeNlri

protected final void serializeNlri(@Nonnull
                                   Object[] nlriFields,
                                   @Nullable
                                   PathId pathId,
                                   @Nonnull
                                   io.netty.buffer.ByteBuf buffer)

Serializes Flowspec NLRI to ByteBuf.

Parameters:

nlriFields - NLRI fields to be serialized

pathId -

buffer - where flowspec NLRI will be serialized

stringNlri

public String stringNlri(org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode<?> flowspec)

extractFlowspec

public final List<Flowspec> extractFlowspec(org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode<?> route)

stringNlri

protected final String stringNlri(List<Flowspec> flows)

readNlriLength

public static int readNlriLength(@Nonnull
                                 io.netty.buffer.ByteBuf nlri)

parseNlriFlowspecList

protected final List<Flowspec> parseNlriFlowspecList(@Nonnull
                                                     io.netty.buffer.ByteBuf nlri)
                                              throws BGPParsingException

Parses Flowspec NLRI into list of Flowspec.

Parameters:

nlri - byte representation of NLRI which will be parsed

Returns:

list of Flowspec

Throws:

BGPParsingException

parseNlri

@Nonnull
protected Object[] parseNlri(@Nonnull
                                      io.netty.buffer.ByteBuf nlri)
                               throws BGPParsingException

Override this function to parse additional NLRI fields

Parameters:

nlri - NLRI buffer

Returns:

Parsed additional fields

Throws:

BGPParsingException

parseNlri

public final void parseNlri(@Nonnull
                            io.netty.buffer.ByteBuf nlri,
                            @Nonnull
                            MpReachNlriBuilder builder,
                            @Nullable
                            PeerSpecificParserConstraint constraint)
                     throws BGPParsingException

Description copied from interface: NlriParser

Parse MP UN_REACH NLRI from buffer.

Specified by:

parseNlri in interface NlriParser

Parameters:

nlri - Encoded reachable NLRI in ByteBuf.

builder - MP REACH NLRI builder.

constraint - Peer specific constraints.

Throws:

BGPParsingException - exception.

readPathId

@Nullable
protected static PathId readPathId(@Nonnull
                                             io.netty.buffer.ByteBuf nlri,
                                             Class<? extends AddressFamily> afi,
                                             Class<? extends SubsequentAddressFamily> safi,
                                             PeerSpecificParserConstraint constraint)

parseNlri

public final void parseNlri(@Nonnull
                            io.netty.buffer.ByteBuf nlri,
                            @Nonnull
                            MpUnreachNlriBuilder builder,
                            @Nullable
                            PeerSpecificParserConstraint constraint)
                     throws BGPParsingException

Description copied from interface: NlriParser

Parse MP UN_REACH NLRI from buffer.

Specified by:

parseNlri in interface NlriParser

Parameters:

nlri - Encoded unreachable NLRI in ByteBuf.

builder - MP UNREACH NLRI builder.

constraint - Peer specific constraints.

Throws:

BGPParsingException - exception.