Examples with WithdrawnRoutes org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes used on opensource projects

Example 21 with WithdrawnRoutes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes in project bgpcep by opendaylight.

the class AbstractVpnNlriParser method serializeAttribute.

@Override
public void serializeAttribute(final Attributes pathAttributes, final ByteBuf byteAggregator) {
    final AttributesReach pathAttributes1 = pathAttributes.augmentation(AttributesReach.class);
    final AttributesUnreach pathAttributes2 = pathAttributes.augmentation(AttributesUnreach.class);
    List<VpnDestination> vpnDst = null;
    boolean isWithdrawnRoute = false;
    if (pathAttributes1 != null) {
        final AdvertizedRoutes routes = pathAttributes1.getMpReachNlri().getAdvertizedRoutes();
        if (routes != null) {
            vpnDst = getAdvertizedVpnDestination(routes.getDestinationType());
        }
    } else if (pathAttributes2 != null) {
        final WithdrawnRoutes routes = pathAttributes2.getMpUnreachNlri().getWithdrawnRoutes();
        if (routes != null) {
            vpnDst = getWithdrawnVpnDestination(routes.getDestinationType());
            isWithdrawnRoute = true;
        }
    }
    if (vpnDst != null) {
        serializeNlri(vpnDst, isWithdrawnRoute, byteAggregator);
    }
}

Example 22 with WithdrawnRoutes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes in project bgpcep by opendaylight.

the class LinkstateNlriParserTest method testSerializeAttribute.

@Test
public void testSerializeAttribute() throws BGPParsingException {
    final LinkstateNlriParser parser = new LinkstateNlriParser();
    setUp(this.prefixNlri);
    final List<CLinkstateDestination> dests = Lists.newArrayList(this.dest);
    final DestinationLinkstateCase dlc = new DestinationLinkstateCaseBuilder().setDestinationLinkstate(new DestinationLinkstateBuilder().setCLinkstateDestination(dests).build()).build();
    final AdvertizedRoutes aroutes = new AdvertizedRoutesBuilder().setDestinationType(dlc).build();
    Attributes pa = new AttributesBuilder().addAugmentation(new AttributesReachBuilder().setMpReachNlri(new MpReachNlriBuilder().setAdvertizedRoutes(aroutes).build()).build()).build();
    ByteBuf result = Unpooled.buffer();
    parser.serializeAttribute(pa, result);
    assertArrayEquals(this.prefixNlri, ByteArray.getAllBytes(result));
    setUp(this.nodeNlri);
    final List<CLinkstateDestination> destsU = Lists.newArrayList(this.dest);
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCase dlcU = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder().setDestinationLinkstate(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder().setCLinkstateDestination(destsU).build()).build();
    final WithdrawnRoutes wroutes = new WithdrawnRoutesBuilder().setDestinationType(dlcU).build();
    pa = new AttributesBuilder().addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(new MpUnreachNlriBuilder().setWithdrawnRoutes(wroutes).build()).build()).build();
    result = Unpooled.buffer();
    parser.serializeAttribute(pa, result);
    assertArrayEquals(this.nodeNlri, ByteArray.getAllBytes(result));
}

Example 23 with WithdrawnRoutes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes in project bgpcep by opendaylight.

the class PeerTest method testClassicPeer.

@Test
public void testClassicPeer() throws Exception {
    this.classic = AbstractAddPathTest.configurePeer(this.tableRegistry, this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
    this.classic.instantiateServiceInstance();
    this.mockSession();
    assertEquals(this.neighborAddress.getIpv4AddressNoZone().getValue(), this.classic.getName());
    this.classic.onSessionUp(this.session);
    assertEquals("BGPPeer{name=127.0.0.1, tables=[TablesKey{_afi=interface org.opendaylight.yang.gen.v1" + ".urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily," + " _safi=interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types" + ".rev200120.UnicastSubsequentAddressFamily}]}", this.classic.toString());
    final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
    final UpdateBuilder ub = new UpdateBuilder();
    ub.setNlri(nlris);
    final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
    final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
    final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
    final AttributesBuilder ab = new AttributesBuilder();
    ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
    try {
        this.classic.onMessage(this.session, ub.build());
        fail();
    } catch (final BGPDocumentedException e) {
        assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
        assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
        assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
        assertArrayEquals(new byte[] { LocalPreferenceAttributeParser.TYPE }, e.getData());
    }
    assertEquals(0, this.routes.size());
    final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build();
    ub.setAttributes(ab.setLocalPref(localPref).build());
    this.classic.onMessage(this.session, ub.build());
    assertEquals(3, this.routes.size());
    // create new peer so that it gets advertized routes from RIB
    final BGPPeer testingPeer = AbstractAddPathTest.configurePeer(this.tableRegistry, this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
    testingPeer.instantiateServiceInstance();
    testingPeer.onSessionUp(this.session);
    assertEquals(3, this.routes.size());
    final Nlri n11 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n22 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.16/28")).build();
    final List<Nlri> nlris2 = Lists.newArrayList(n11, n22);
    ub.setNlri(nlris2);
    final WithdrawnRoutes w1 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final WithdrawnRoutes w2 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final WithdrawnRoutes w3 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<WithdrawnRoutes> wrs = Lists.newArrayList(w1, w2, w3);
    ub.setWithdrawnRoutes(wrs);
    this.classic.onMessage(this.session, ub.build());
    assertEquals(2, this.routes.size());
    this.classic.onMessage(this.session, new KeepaliveBuilder().build());
    this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(new AttributesBuilder().addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(new MpUnreachNlriBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build()).build()).build()).build());
    this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build());
    this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
    assertEquals(2, this.routes.size());
    this.classic.releaseConnection();
}

Example 24 with WithdrawnRoutes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes in project bgpcep by opendaylight.

the class Ipv4NlriParser method serializeAttribute.

@Override
public void serializeAttribute(final Attributes pathAttributes, final ByteBuf byteAggregator) {
    final AttributesReach pathAttributes1 = pathAttributes.augmentation(AttributesReach.class);
    final AttributesUnreach pathAttributes2 = pathAttributes.augmentation(AttributesUnreach.class);
    if (pathAttributes1 != null) {
        final AdvertizedRoutes advertizedRoutes = pathAttributes1.getMpReachNlri().getAdvertizedRoutes();
        if (advertizedRoutes != null && advertizedRoutes.getDestinationType() instanceof DestinationIpv4Case) {
            final DestinationIpv4Case destinationIpv4Case = (DestinationIpv4Case) advertizedRoutes.getDestinationType();
            for (final Ipv4Prefixes ipv4Prefix : destinationIpv4Case.getDestinationIpv4().getIpv4Prefixes()) {
                PathIdUtil.writePathId(ipv4Prefix.getPathId(), byteAggregator);
                Ipv4Util.writeMinimalPrefix(ipv4Prefix.getPrefix(), byteAggregator);
            }
        }
    } else if (pathAttributes2 != null) {
        final WithdrawnRoutes withdrawnRoutes = pathAttributes2.getMpUnreachNlri().getWithdrawnRoutes();
        if (withdrawnRoutes != null && withdrawnRoutes.getDestinationType() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4Case) {
            final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4Case destinationIpv4Case = (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4Case) withdrawnRoutes.getDestinationType();
            for (final Ipv4Prefixes ipv4Prefix : destinationIpv4Case.getDestinationIpv4().getIpv4Prefixes()) {
                PathIdUtil.writePathId(ipv4Prefix.getPathId(), byteAggregator);
                Ipv4Util.writeMinimalPrefix(ipv4Prefix.getPrefix(), byteAggregator);
            }
        }
    }
}

Example 25 with WithdrawnRoutes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes in project bgpcep by opendaylight.

the class BGPUpdateMessageParser method parseMessageBody.

/**
 * Parse Update message from buffer. Calls {@link #checkMandatoryAttributesPresence(Update, RevisedErrorHandling)}
 * to check for presence of mandatory attributes.
 *
 * @param buffer Encoded BGP message in ByteBuf
 * @param messageLength Length of the BGP message
 * @param constraint Peer specific constraints
 * @return Parsed Update message body
 */
@Override
public Update parseMessageBody(final ByteBuf buffer, final int messageLength, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException {
    checkArgument(buffer != null && buffer.isReadable(), "Buffer cannot be null or empty.");
    final UpdateBuilder builder = new UpdateBuilder();
    final boolean isMultiPathSupported = MultiPathSupportUtil.isTableTypeSupported(constraint, new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class));
    final RevisedErrorHandling errorHandling = RevisedErrorHandling.from(constraint);
    final int withdrawnRoutesLength = buffer.readUnsignedShort();
    if (withdrawnRoutesLength > 0) {
        final List<WithdrawnRoutes> withdrawnRoutes = new ArrayList<>();
        final ByteBuf withdrawnRoutesBuffer = buffer.readSlice(withdrawnRoutesLength);
        while (withdrawnRoutesBuffer.isReadable()) {
            final WithdrawnRoutesBuilder withdrawnRoutesBuilder = new WithdrawnRoutesBuilder();
            if (isMultiPathSupported) {
                withdrawnRoutesBuilder.setPathId(PathIdUtil.readPathId(withdrawnRoutesBuffer));
            }
            withdrawnRoutesBuilder.setPrefix(readPrefix(withdrawnRoutesBuffer, errorHandling, "Withdrawn Routes"));
            withdrawnRoutes.add(withdrawnRoutesBuilder.build());
        }
        builder.setWithdrawnRoutes(withdrawnRoutes);
    }
    final int totalPathAttrLength = buffer.readUnsignedShort();
    if (withdrawnRoutesLength == 0 && totalPathAttrLength == 0) {
        return builder.build();
    }
    Optional<BGPTreatAsWithdrawException> withdrawCauseOpt;
    if (totalPathAttrLength > 0) {
        final ParsedAttributes attributes = parseAttributes(buffer, totalPathAttrLength, constraint);
        builder.setAttributes(attributes.getAttributes());
        withdrawCauseOpt = attributes.getWithdrawCause();
    } else {
        withdrawCauseOpt = Optional.empty();
    }
    final List<Nlri> nlri = new ArrayList<>();
    while (buffer.isReadable()) {
        final NlriBuilder nlriBuilder = new NlriBuilder();
        if (isMultiPathSupported) {
            nlriBuilder.setPathId(PathIdUtil.readPathId(buffer));
        }
        nlriBuilder.setPrefix(readPrefix(buffer, errorHandling, "NLRI"));
        nlri.add(nlriBuilder.build());
    }
    if (!nlri.isEmpty()) {
        builder.setNlri(nlri);
    }
    try {
        checkMandatoryAttributesPresence(builder.build(), errorHandling);
    } catch (BGPTreatAsWithdrawException e) {
        LOG.debug("Well-known mandatory attributes missing", e);
        if (withdrawCauseOpt.isPresent()) {
            final BGPTreatAsWithdrawException exception = withdrawCauseOpt.get();
            exception.addSuppressed(e);
            withdrawCauseOpt = Optional.of(exception);
        } else {
            withdrawCauseOpt = Optional.of(e);
        }
    }
    Update msg = builder.build();
    if (withdrawCauseOpt.isPresent()) {
        // Attempt to apply treat-as-withdraw
        msg = withdrawUpdate(msg, errorHandling, withdrawCauseOpt.get());
    }
    LOG.debug("BGP Update message was parsed {}.", msg);
    return msg;
}