Examples with Origin org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin used on opensource projects

Example 21 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project bgpcep by opendaylight.

the class BGPUpdateMessageParser method checkMandatoryAttributesPresence.

/**
 * Check for presence of well known mandatory path attributes ORIGIN, AS_PATH and NEXT_HOP in Update message.
 *
 * @param message Update message
 * @param errorHandling Error handling type
 */
private static void checkMandatoryAttributesPresence(final Update message, final RevisedErrorHandling errorHandling) throws BGPDocumentedException, BGPTreatAsWithdrawException {
    requireNonNull(message, "Update message cannot be null");
    final Attributes attrs = message.getAttributes();
    if (message.getNlri() != null && (attrs == null || attrs.getCNextHop() == null)) {
        throw reportMissingAttribute(errorHandling, "NEXT_HOP", NextHopAttributeParser.TYPE);
    }
    if (MessageUtil.isAnyNlriPresent(message)) {
        if (attrs == null || attrs.getOrigin() == null) {
            throw reportMissingAttribute(errorHandling, "ORIGIN", OriginAttributeParser.TYPE);
        }
        if (attrs.getAsPath() == null) {
            throw reportMissingAttribute(errorHandling, "AS_PATH", AsPathAttributeParser.TYPE);
        }
    }
}

Example 22 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project bgpcep by opendaylight.

the class BGPParserTest method testGetUpdateMessage1.

/*
     * Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 54 <- length (84) - 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- withdrawn routes length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
     * 10 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
     * 60 <- attribute flags
     * 06 <- attribute type code (atomic aggregate)
     * 00 <- attribute length
     * 40 <- 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
     * 18 ac 11 02 <- IPv4 Prefix (172.17.2.0 / 24)
     * 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
     * 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
     */
@Test
public void testGetUpdateMessage1() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(0), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("10.0.0.2")).build()).build();
    final List<Communities> comms = new ArrayList<>();
    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 = List.of(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.2.0/24")).build(), new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).build(), new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.0.0/24")).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(List.of(new SegmentsBuilder().setAsSequence(List.of(new AsNumber(Uint32.valueOf(65002)))).build())).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setCNextHop(nextHop);
    assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(Uint32.ZERO).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(Map.of());
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(0), ByteArray.readAllBytes(buffer));
}

Example 23 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project bgpcep by opendaylight.

the class BGPParserTest method testUpdateMessageWithMalformedAttribute.

/*
     * Tests withdrawn routes with malformed attribute.
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 35 <- length (53) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 1a <- total path attribute length (26)
     * 40 <- attribute flags
     * 01 <- attribute type code (origin)
     * 02 <- WRONG attribute length
     * 00 <- Origin value (IGP)
     * 40 <- attribute flags
     * 03 <- attribute type code (Next Hop)
     * 04 <- attribute length
     * 0a 00 00 02 <- value (10.0.0.2)
     * 40 <- attribute flags
     * 0e <- attribute type code (MP_REACH)
     * 00 01 <- AFI (Ipv4)
     * 01 <- SAFI (Unicast)
     * 04 <- next hop length
     * ff ff ff ff <- next hop
     * 00 <- reserved
     * 18 <- length
     * 0a 00 01 <- prefix (10.0.1.0)
     * //NLRI
     * 18 <- length
     * 0a 00 02 <- prefix (10.0.2.0)
     */
@Test
public void testUpdateMessageWithMalformedAttribute() throws BGPDocumentedException {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(7), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final PeerSpecificParserConstraintImpl constraint = new PeerSpecificParserConstraintImpl();
    constraint.addPeerConstraint(RevisedErrorHandlingSupport.class, RevisedErrorHandlingSupportImpl.forExternalPeer());
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, constraint);
    assertNotNull(message);
    assertNull(message.getNlri());
    final List<WithdrawnRoutes> withdrawnRoutes = message.getWithdrawnRoutes();
    assertNotNull(withdrawnRoutes);
    assertEquals(1, withdrawnRoutes.size());
}

Example 24 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project bgpcep by opendaylight.

the class BGPParserTest method testGetUpdateMessage4.

/*
     * Tests empty AS_PATH, ORIGIN.EGP, LOCAL_PREF, EXTENDED_COMMUNITIES (Ipv4 Addr specific)
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 4A <- length (73) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 27 <- total path attribute length (39)
     * 40 <- attribute flags
     * 01 <- attribute type code (Origin)
     * 01 <- attribute length
     * 01 <- Origin value (EGP)
     * 40 <- attribute flags
     * 02 <- attribute type code (As path)
     * 00 <- attribute length
     * 40 <- attribute flags
     * 03 <- attribute type (Next hop)
     * 04 <- attribute length
     * 03 03 03 03 <- value (3.3.3.3)
     * 80 <- attribute flags
     * 04 <- attribute type code (Multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * 40 <- attribute flags
     * 05 <- attribute type (Local Pref)
     * 04 <- attribute length
     * 00 00 00 64 <- value (100)
     * c0 <- attribute flags
     * 10 <- attribute type (extended community)
     * 08 <- attribute length
     * 01 04 <- value (type - Ipv4 Address Specific Extended Community)
     * c0 a8 01 00 <- value (global adm. 198.162.1.0)
     * 12 34 <- value (local adm. 4660)
     *
     * //NLRI
     * 18 0a 1e 03 <- IPv4 Prefix (10.30.3.0 / 24)
     * 18 0a 1e 02 <- IPv4 Prefix (10.30.2.0 / 24)
     * 18 0a 1e 01 <- IPv4 Prefix (10.30.1.0 / 24)
     */
@Test
public void testGetUpdateMessage4() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(3), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(3), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    final UpdateBuilder builder = new UpdateBuilder();
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // check nlri
    final List<Nlri> nlris = new ArrayList<>();
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.3.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.2.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.1.0/24")).build());
    assertEquals(nlris, message.getNlri());
    builder.setNlri(nlris);
    // attributes
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("3.3.3.3")).build()).build();
    final List<ExtendedCommunities> comms = new ArrayList<>();
    comms.add(new ExtendedCommunitiesBuilder().setTransitive(true).setExtendedCommunity(new RouteTargetIpv4CaseBuilder().setRouteTargetIpv4(new RouteTargetIpv4Builder().setGlobalAdministrator(new Ipv4AddressNoZone("192.168.1.0")).setLocalAdministrator(Uint16.valueOf(4660)).build()).build()).build());
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
    assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(List.of()).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setCNextHop(nextHop);
    assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(Uint32.ZERO).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build());
    assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
    paBuilder.setExtendedCommunities(comms);
    assertEquals(paBuilder.getExtendedCommunities(), attrs.getExtendedCommunities());
    paBuilder.setUnrecognizedAttributes(Map.of());
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(3), ByteArray.readAllBytes(buffer));
}

Example 25 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project bgpcep by opendaylight.

the class PeerUtil method createUpdate.

static Update createUpdate(final BgpOrigin bgpOrigin, final List<Segments> pathSegments, // FIXME: consider using Uint32
final long preference, final MpReachNlri mpReach, final MpUnreachNlri mpUnreach) {
    final Origin origin = new OriginBuilder().setValue(bgpOrigin).build();
    final AsPath asPath = new AsPathBuilder().setSegments(pathSegments).build();
    final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(preference)).build();
    final AttributesBuilder attributeBuilder = new AttributesBuilder().setOrigin(origin).setAsPath(asPath).setLocalPref(localPref);
    if (mpReach != null) {
        attributeBuilder.addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpReach).build());
    }
    if (mpUnreach != null) {
        attributeBuilder.addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(mpUnreach).build());
    }
    return new UpdateBuilder().setAttributes(new AttributesBuilder().setOrigin(origin).setAsPath(asPath).setLocalPref(localPref).addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpReach).build()).build()).build();
}