use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.
the class BGPParserTest method testGetUpdateMessage3.
/*
* Tests more AS Numbers in AS_PATH, AGGREGATOR, ORIGIN.INCOMPLETE
*
* ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
* 00 4b <- length (75) - including header
* 02 <- message type
* 00 00 <- withdrawn routes length
* 00 30 <- total path attribute length (48)
* 40 <- attribute flags
* 01 <- attribute type code (origin)
* 01 <- attribute length
* 02 <- Origin value (Incomplete)
* 40 <- attribute flags
* 02 <- attribute type code (as path)
* 10 <- attribute length
* 02 <- AS_SEQUENCE
* 01 <- path segment count
* 00 00 00 1e <- path segment value (30)
* 01 <- AS_SET
* 02 <- path segment count
* 00 00 00 0a <- path segment value (10)
* 00 00 00 14 <- path segment value (20)
* 40 <- attribute flags
* 03 <- attribute type (Next hop)
* 04 <- attribute length
* 0a 00 00 09 <- value (10.0.0.9)
* 80 <- attribute flags
* 04 <- attribute type code (multi exit disc)
* 04 <- attribute length
* 00 00 00 00 <- value
* c0 <- attribute flags
* 07 <- attribute type (Aggregator)
* 08 <- attribute length
* 00 00 00 1e <- value (AS number = 30)
* 0a 00 00 09 <- value (IP address = 10.0.0.9)
*
* //NLRI
* 15 ac 10 00 <- IPv4 Prefix (172.16.0.0 / 21)
*/
@Test
public void testGetUpdateMessage3() throws Exception {
final byte[] body = ByteArray.cutBytes(inputBytes.get(2), MessageUtil.COMMON_HEADER_LENGTH);
final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
final UpdateBuilder builder = new UpdateBuilder();
// check nlri
final List<Nlri> nlris = Lists.newArrayList(new NlriBuilder().setPrefix(new Ipv4Prefix("172.16.0.0/21")).build());
builder.setNlri(nlris);
assertEquals(builder.getNlri(), message.getNlri());
// check fields
assertNull(message.getWithdrawnRoutes());
// attributes
final List<AsNumber> asNumbers = new ArrayList<>();
asNumbers.add(new AsNumber(30L));
final List<Segments> asPath = Lists.newArrayList();
asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
final List<AsNumber> asSet = Lists.newArrayList(new AsNumber(10L), new AsNumber(20L));
asPath.add(new SegmentsBuilder().setAsSet(asSet).build());
final Aggregator aggregator = new AggregatorBuilder().setAsNumber(new AsNumber((long) 30)).setNetworkAddress(new Ipv4Address("10.0.0.9")).build();
final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.9")).build()).build();
// check path attributes
final Attributes attrs = message.getAttributes();
final AttributesBuilder paBuilder = new AttributesBuilder();
paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).build());
assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
paBuilder.setCNextHop(nextHop);
assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
paBuilder.setAggregator(aggregator);
assertEquals(paBuilder.getAggregator(), attrs.getAggregator());
paBuilder.setUnrecognizedAttributes(Collections.emptyList());
builder.setAttributes(paBuilder.build());
assertEquals(builder.build(), message);
final ByteBuf buffer = Unpooled.buffer();
BGPParserTest.updateParser.serializeMessage(message, buffer);
assertArrayEquals(inputBytes.get(2), ByteArray.readAllBytes(buffer));
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.
the class BGPParserTest method testUpdateMessageNlriAddPath.
/*
* Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI with multiple paths.
*
* ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
* 00 60 <- length (96) - including header
* 02 <- message type
* 00 00 <- withdrawn routes length
* 00 31 <- total path attribute length (49)
* 40 <- attribute flags
* 01 <- attribute type code (origin)
* 01 <- attribute length
* 00 <- Origin value (IGP)
* 40 <- attribute flags
* 02 <- attribute type code (as path)
* 06 <- attribute length
* 02 <- AS_SEQUENCE
* 01 <- path segment count
* 00 00 fd ea <- path segment value (65002)
* 40 <- attribute flags
* 03 <- attribute type code (Next Hop)
* 04 <- attribute length
* 0a 00 00 02 <- value (10.0.0.2)
* 80 <- attribute flags
* 04 <- attribute type code (multi exit disc)
* 04 <- attribute length
* 00 00 00 00 <- value
* 40 <- attribute flags
* 06 <- attribute type code (atomic aggregate)
* 00 <- attribute length
* C0 <- attribute flags
* 08 <- attribute type code (community)
* 10 <- attribute length
* FF FF FF 01 <- value (NO_EXPORT)
* FF FF FF 02 <- value (NO_ADVERTISE)
* FF FF FF 03 <- value (NO_EXPORT_SUBCONFED)
* FF FF FF 10 <- unknown Community
*
* //NLRI
* 00 00 00 01 <- path-id (1)
* 18 ac 11 02 <- IPv4 Prefix (172.17.1.0 / 24)
* 00 00 00 01 <- path-id (2)
* 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
* 00 00 00 01 <- path-id (1)
* 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
*/
@Test
public void testUpdateMessageNlriAddPath() throws Exception {
final byte[] body = ByteArray.cutBytes(updatesWithMultiplePath.get(0), MessageUtil.COMMON_HEADER_LENGTH);
final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(updatesWithMultiplePath.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, constraint);
// check fields
assertNull(message.getWithdrawnRoutes());
// attributes
final List<AsNumber> asNumbers = new ArrayList<>();
asNumbers.add(new AsNumber(65002L));
final List<Segments> asPath = Lists.newArrayList();
asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.2")).build()).build();
final List<Communities> comms = Lists.newArrayList();
comms.add((Communities) CommunityUtil.NO_EXPORT);
comms.add((Communities) CommunityUtil.NO_ADVERTISE);
comms.add((Communities) CommunityUtil.NO_EXPORT_SUBCONFED);
comms.add((Communities) CommunityUtil.create(NoopReferenceCache.getInstance(), 0xFFFF, 0xFF10));
final UpdateBuilder builder = new UpdateBuilder();
// check nlri
final List<Nlri> nlris = Lists.newArrayList();
nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).setPathId(new PathId(1L)).build());
nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).setPathId(new PathId(2L)).build());
nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.0.0/24")).setPathId(new PathId(1L)).build());
assertEquals(nlris, message.getNlri());
builder.setNlri(nlris);
// check path attributes
final Attributes attrs = message.getAttributes();
final AttributesBuilder paBuilder = new AttributesBuilder();
paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
paBuilder.setCNextHop(nextHop);
assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
paBuilder.setAtomicAggregate(new AtomicAggregateBuilder().build());
assertEquals(paBuilder.getAtomicAggregate(), attrs.getAtomicAggregate());
paBuilder.setCommunities(comms);
assertEquals(paBuilder.getCommunities(), attrs.getCommunities());
paBuilder.setUnrecognizedAttributes(Collections.emptyList());
builder.setAttributes(paBuilder.build());
assertEquals(builder.build(), message);
final ByteBuf buffer = Unpooled.buffer();
BGPParserTest.updateParser.serializeMessage(message, buffer);
assertArrayEquals(updatesWithMultiplePath.get(0), ByteArray.readAllBytes(buffer));
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.
the class AsPathAttributeParser method parseAsPath.
/**
* Parses AS_PATH from bytes.
*
* @param refCache ReferenceCache shared reference of object
* @param buffer bytes to be parsed
* @return new ASPath object
* @throws BGPDocumentedException if there is no AS_SEQUENCE present (mandatory)
* @throws BGPParsingException
*/
private static AsPath parseAsPath(final ReferenceCache refCache, final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
if (!buffer.isReadable()) {
return EMPTY;
}
final ArrayList<Segments> ases = new ArrayList<>();
boolean isSequence = false;
while (buffer.isReadable()) {
final int type = buffer.readUnsignedByte();
final SegmentType segmentType = AsPathSegmentParser.parseType(type);
if (segmentType == null) {
throw new BGPParsingException("AS Path segment type unknown : " + type);
}
final int count = buffer.readUnsignedByte();
final List<AsNumber> asList = AsPathSegmentParser.parseAsSegment(refCache, count, buffer.readSlice(count * AsPathSegmentParser.AS_NUMBER_LENGTH));
if (segmentType == SegmentType.AS_SEQUENCE) {
ases.add(new SegmentsBuilder().setAsSequence(asList).build());
isSequence = true;
} else {
ases.add(new SegmentsBuilder().setAsSet(asList).build());
}
}
if (!isSequence) {
throw new BGPDocumentedException("AS_SEQUENCE must be present in AS_PATH attribute.", BGPError.AS_PATH_MALFORMED);
}
ases.trimToSize();
return new AsPathBuilder().setSegments(ases).build();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.
the class ParserTest method testBGPLink.
/*
* Tests BGP Link Ipv4
*
* 00 00 <- withdrawn routes length
* 01 48 <- total path attribute length (328)
* 90 <- attribute flags
0e <- attribute type code (MP reach)
01 2c <- attribute extended length (300)
40 04 <- AFI (16388 - Linkstate)
47 <- SAFI (71 - Linkstate)
04 <- next hop length
19 19 19 01 <- nexthop (25.25.25.1)
00 <- reserved
00 02 <- NLRI type (2 - linkNLRI)
00 5d <- NLRI length (93)
03 <- ProtocolID - OSPF
00 00 00 00 00 00 00 01 <- identifier
01 00 <- local node descriptor type (256)
00 24 <- length (36)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 08 <- length
03 03 03 04 0b 0b 0b 03 <- OSPF Router Id
01 01 <- remote node descriptor type (257)
00 20 <- length (32)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 04 <- length
03 03 03 04 <- OSPF Router Id
01 03 <- link descriptor type (IPv4 interface address - 259)
00 04 <- length (4)
0b 0b 0b 03 <- value (11.11.11.3)
00 02 <- NLRI type (2 - linkNLRI)
00 5d <- NLRI length (93)
03 <- ProtocolID - OSPF
00 00 00 00 00 00 00 01 <- identifier
01 00 <- local node descriptor type (256)
00 24 <- length (36)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 08 <- length
03 03 03 04 0b 0b 0b 03 <- OSPF Router Id
01 01 <- remote node descriptor type (257)
00 20 <- length (32)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 04 <- length
01 01 01 02 <- OSPF Router Id
01 03 <- link descriptor type (IPv4 interface address - 259)
00 04 <- length
0b 0b 0b 01 <- value (11.11.11.1)
00 02 <- NLRI type (2 - linkNLRI)
00 5d <- NLRI length (93)
03 <- ProtocolID - OSPF
00 00 00 00 00 00 00 01 <- identifier
01 00 <- local node descriptor type (256)
00 20 <- length (32)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 04 <- length
01 01 01 02 <- OSPF Router Id
01 01 <- remote node descriptor type (257)
00 24 <- length (36)
02 00 <- node descriptor type (member AS - 512)
00 04 <- length
00 00 00 64 <- value (100)
02 01 <- node descriptor type (bgpId - 513)
00 04 <- length
19 19 19 01 <- bgpId (25.25.25.1)
02 02 <- node descriptor type (areaId - 514)
00 04 <- length
00 00 00 00 <- value
02 03 <- node descriptor type (routeId - 515)
00 08 <- length
03 03 03 04 0b 0b 0b 03 <- OSPF Router Id
01 03 <- link descriptor type (IPv4 interface address - 259)
00 04 <- length
0b 0b 0b 01 <- value (11.11.11.1)
40 <- attribute flags
01 <- attribute type (Origin)
01 <- attribute length
00 <- value (IGP)
40 <- attribute flags
02 <- attribute type (AS Path)
00 <- length
40 <- attribute flags
05 <- attribute type (local pref)
04 <- length
00 00 00 64 <- value
c0 <- attribute flags
1D <- attribute type (Link STATE - 29)
07 <- length
04 47 <- link attribute (1095 - Metric)
00 03 <- length
00 00 01 <- value
*/
@Test
public void testBGPLink() throws Exception {
final byte[] body = ByteArray.cutBytes(inputBytes.get(1), MessageUtil.COMMON_HEADER_LENGTH);
final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(1), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
final Update message = ParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
final UpdateBuilder builder = new UpdateBuilder();
// check fields
assertNull(message.getWithdrawnRoutes());
final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("25.25.25.1")).build()).build();
final LocalNodeDescriptorsBuilder ndBuilder = new LocalNodeDescriptorsBuilder().setAsNumber(new AsNumber((long) 100)).setDomainId(new DomainIdentifier(0x19191901L)).setAreaId(new AreaIdentifier(0L));
final RemoteNodeDescriptorsBuilder rdBuilder = new RemoteNodeDescriptorsBuilder().setAsNumber(new AsNumber((long) 100)).setDomainId(new DomainIdentifier(0x19191901L)).setAreaId(new AreaIdentifier(0L));
final CLinkstateDestinationBuilder clBuilder = new CLinkstateDestinationBuilder();
clBuilder.setIdentifier(new Identifier(BigInteger.ONE));
clBuilder.setProtocolId(ProtocolId.Ospf);
final Attributes1Builder lsBuilder = new Attributes1Builder();
final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
mpBuilder.setAfi(LinkstateAddressFamily.class);
mpBuilder.setSafi(LinkstateSubsequentAddressFamily.class);
mpBuilder.setCNextHop(nextHop);
final List<CLinkstateDestination> linkstates = Lists.newArrayList();
final LinkCaseBuilder lCase = new LinkCaseBuilder().setLocalNodeDescriptors(ndBuilder.setCRouterIdentifier(new OspfPseudonodeCaseBuilder().setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(0x03030304L).setLanInterface(new OspfInterfaceIdentifier(0x0b0b0b03L)).build()).build()).build());
lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x03030304L).build()).build()).build());
lCase.setLinkDescriptors(new LinkDescriptorsBuilder().setIpv4InterfaceAddress(new Ipv4InterfaceIdentifier(new Ipv4Address("11.11.11.3"))).build());
linkstates.add(clBuilder.setObjectType(lCase.build()).build());
lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x01010102L).build()).build()).build());
lCase.setLinkDescriptors(new LinkDescriptorsBuilder().setIpv4InterfaceAddress(new Ipv4InterfaceIdentifier(new Ipv4Address("11.11.11.1"))).build());
linkstates.add(clBuilder.setObjectType(lCase.build()).build());
lCase.setLocalNodeDescriptors(ndBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x01010102L).build()).build()).build());
lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfPseudonodeCaseBuilder().setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(0x03030304L).setLanInterface(new OspfInterfaceIdentifier(0x0b0b0b03L)).build()).build()).build());
linkstates.add(clBuilder.setObjectType(lCase.build()).build());
lsBuilder.setMpReachNlri(mpBuilder.build());
// check path attributes
final Attributes attrs = message.getAttributes();
final AttributesBuilder paBuilder = new AttributesBuilder();
paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
paBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
paBuilder.setLocalPref(new LocalPrefBuilder().setPref(100L).build());
assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
final MpReachNlri mp = attrs.getAugmentation(Attributes1.class).getMpReachNlri();
assertEquals(mpBuilder.getAfi(), mp.getAfi());
assertEquals(mpBuilder.getSafi(), mp.getSafi());
assertEquals(mpBuilder.getCNextHop(), mp.getCNextHop());
final DestinationLinkstateBuilder dBuilder = new DestinationLinkstateBuilder();
dBuilder.setCLinkstateDestination(linkstates);
mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationLinkstateCaseBuilder().setDestinationLinkstate(dBuilder.build()).build()).build());
lsBuilder.setMpReachNlri(mpBuilder.build());
paBuilder.addAugmentation(Attributes1.class, lsBuilder.build());
final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1Builder lsAttrBuilder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1Builder();
lsAttrBuilder.setLinkStateAttribute(new LinkAttributesCaseBuilder().setLinkAttributes(new LinkAttributesBuilder().setMetric(new Metric(1L)).build()).build());
paBuilder.addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1.class, lsAttrBuilder.build());
paBuilder.setUnrecognizedAttributes(Collections.emptyList());
assertEquals(lsAttrBuilder.build(), attrs.getAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1.class));
final List<CLinkstateDestination> dests = ((DestinationLinkstateCase) mp.getAdvertizedRoutes().getDestinationType()).getDestinationLinkstate().getCLinkstateDestination();
assertEquals(linkstates.size(), dests.size());
assertEquals(linkstates, dests);
// check API message
builder.setAttributes(paBuilder.build());
assertEquals(builder.build(), message);
final ByteBuf buffer = Unpooled.buffer();
ParserTest.updateParser.serializeMessage(message, buffer);
assertArrayEquals(inputBytes.get(1), ByteArray.readAllBytes(buffer));
}
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