use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.MultiExitDiscBuilder 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- withdrawn routes length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));
}
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