Package 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	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	Description
protected	AbstractFlowspecNlriParser(SimpleFlowspecTypeRegistry flowspecTypeRegistry)

Method Summary

Modifier and Type	Method	Description
abstract DestinationType	createAdvertizedRoutesDestinationType(Object @NonNull [] nlriFields, @Nullable PathId pathId)	Create advertized destination type.
abstract DestinationType	createWithdrawnDestinationType(Object @NonNull [] nlriFields, @Nullable PathId pathId)	Create withdrawn destination type.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 @NonNull []	parseNlri(@NonNull io.netty.buffer.ByteBuf nlri)	Override this function to parse additional NLRI fields.
void	parseNlri(@NonNull io.netty.buffer.ByteBuf nlri, @NonNull MpReachNlriBuilder builder, PeerSpecificParserConstraint constraint)	Parse MP UN_REACH NLRI from buffer.
void	parseNlri(@NonNull io.netty.buffer.ByteBuf nlri, @NonNull MpUnreachNlriBuilder builder, PeerSpecificParserConstraint constraint)	Parse MP UN_REACH NLRI from buffer.
protected List<Flowspec>	parseNlriFlowspecList(@NonNull io.netty.buffer.ByteBuf nlri)	Parses Flowspec NLRI into list of Flowspec.
static int	readNlriLength(@NonNull io.netty.buffer.ByteBuf nlri)
protected static @Nullable PathId	readPathId(@NonNull 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(Object @NonNull [] nlriFields, @NonNull io.netty.buffer.ByteBuf buffer)
protected void	serializeNlri(Object @NonNull [] nlriFields, @Nullable PathId pathId, @NonNull io.netty.buffer.ByteBuf buffer)	Serializes Flowspec NLRI to ByteBuf.
protected void	serializeNlri(List<Flowspec> flowspecList, @NonNull io.netty.buffer.ByteBuf buffer)
protected String	stringNlri(List<Flowspec> flows)
String	stringNlri(org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode<?> flowspec)
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

Methods inherited from interface org.opendaylight.protocol.bgp.parser.spi.NlriParser

convertMpReachToMpUnReach

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(Object @NonNull [] 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(Object @NonNull [] 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(Object @NonNull [] 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(Object @NonNull [] nlriFields,
                                   @Nullable PathId pathId,
                                   @NonNull io.netty.buffer.ByteBuf buffer)

Serializes Flowspec NLRI to ByteBuf.

Parameters:

nlriFields - NLRI fields to be serialized

pathId - path ID

buffer - where flowspec NLRI will be serialized

stringNlri

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

stringNlri

protected final String stringNlri(List<Flowspec> flows)

extractFlowspec

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

readNlriLength

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

parseNlriFlowspecList

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

Parses Flowspec NLRI into list of Flowspec.

Parameters:

nlri - byte representation of NLRI which will be parsed

Returns:

list of Flowspec

parseNlri

protected Object @NonNull [] 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,
                            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.

parseNlri

public final void parseNlri(@NonNull io.netty.buffer.ByteBuf nlri,
                            @NonNull MpUnreachNlriBuilder builder,
                            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.

readPathId

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