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 FlowspecTypeRegistry	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(FlowspecTypeRegistry 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abstract DestinationType	createWithdrawnDestinationType(Object @NonNull [] nlriFields, @Nullable PathId pathId)	Create withdrawn destination type.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 FlowspecTypeRegistry flowspecTypeRegistry

Constructor Detail

AbstractFlowspecNlriParser

protected AbstractFlowspecNlriParser(FlowspecTypeRegistry 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)