Examples with Routes org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes used on opensource projects

Example 51 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project bgpcep by opendaylight.

the class BGPParserTest method testIPv6Nlri.

/*
     * Tests IPv6 NEXT_HOP, NLRI, ORIGIN.IGP, MULTI_EXIT_DISC, ORIGINATOR-ID, CLUSTER_LIST.
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 80 <- length (128) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 69 <- total path attribute length (105)
     * 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 e9 <- path segment value (65001)
     * 40 <- attribute flags
     * 03 <- attribute type code (next hop)
     * 04 <- attribute length
     * 0a 00 00 00 <- next hop value (10.0.0.0)
     * 80 <- attribute flags
     * 04 <- attribute type code (multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * 80 <- attribute flags
     * 09 <- attribute type code (originator id)
     * 04 <- attribute length
     * 7f 00 00 01 <- value (localhost ip)
     * 80 <- attribute flags
     * 0a <- attribute type code (cluster list)
     * 08 <- attribute length
     * 01 02 03 04 <- value
     * 05 06 07 08 <- value
     * 80 <- attribute flags
     * 0e <- attribute type code (mp reach nlri)
     * 40 <- attribute length
     * 00 02 <- AFI (Ipv6)
     * 01 <- SAFI (Unicast)
     * 20 <- length of next hop
     * 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01 <- global
     * fe 80 00 00 00 00 00 00 c0 01 0b ff fe 7e 00 <- link local
     * 00 <- reserved
     *
     * //NLRI
     * 40 20 01 0d b8 00 01 00 02 <- IPv6 Prefix (2001:db8:1:2:: / 64)
     * 40 20 01 0d b8 00 01 00 01 <- IPv6 Prefix (2001:db8:1:1:: / 64)
     * 40 20 01 0d b8 00 01 00 00 <- IPv6 Prefix (2001:db8:1:: / 64)
     *
     */
@Test
public void testIPv6Nlri() throws Exception {
    final Update message = (Update) messageRegistry.parseMessage(Unpooled.wrappedBuffer(input), null);
    // check fields
    assertNull(message.getWithdrawnRoutes());
    final UpdateBuilder builder = new UpdateBuilder();
    // check NLRI
    final List<Ipv6Prefixes> prefs = new ArrayList<>();
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:2::/64")).build());
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:1::/64")).build());
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1::/64")).build());
    assertNull(message.getNlri());
    // attributes
    final List<AsNumber> asNumbers = new ArrayList<>();
    asNumbers.add(new AsNumber(65001L));
    final List<Segments> asPath = Lists.newArrayList();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final Ipv6NextHopCase nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
    final List<ClusterIdentifier> clusters = Lists.newArrayList(new ClusterIdentifier(new Ipv4Address("1.2.3.4")), new ClusterIdentifier(new Ipv4Address("5.6.7.8")));
    // 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.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address("127.0.0.1")).build());
    assertEquals(paBuilder.getOriginatorId(), attrs.getOriginatorId());
    paBuilder.setClusterId(new ClusterIdBuilder().setCluster(clusters).build());
    assertEquals(paBuilder.getClusterId(), attrs.getClusterId());
    final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
    mpBuilder.setAfi(Ipv6AddressFamily.class);
    mpBuilder.setSafi(UnicastSubsequentAddressFamily.class);
    mpBuilder.setCNextHop(nextHop);
    mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(prefs).build()).build()).build());
    paBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(mpBuilder.build()).build());
    assertEquals(paBuilder.getAugmentation(Attributes1.class).getMpReachNlri(), attrs.getAugmentation(Attributes1.class).getMpReachNlri());
    paBuilder.setUnrecognizedAttributes(Collections.emptyList());
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    messageRegistry.serializeMessage(message, buffer);
    assertArrayEquals(input, ByteArray.readAllBytes(buffer));
}

Example 52 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project bgpcep by opendaylight.

the class IPv6RIBSupport method extractPrefixes.

private List<Ipv6Prefixes> extractPrefixes(final Collection<MapEntryNode> routes) {
    final List<Ipv6Prefixes> prefs = new ArrayList<>(routes.size());
    for (final MapEntryNode route : routes) {
        final String prefix = (String) NormalizedNodes.findNode(route, routePrefixIdentifier()).get().getValue();
        prefs.add(new Ipv6PrefixesBuilder().setPathId(PathIdUtil.buildPathId(route, routePathIdNid())).setPrefix(new Ipv6Prefix(prefix)).build());
    }
    return prefs;
}

Example 53 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project bgpcep by opendaylight.

the class AbstractFlowspecL3vpnRIBSupport method buildWithdrawnDestination.

@Nonnull
@Override
protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
    final MapEntryNode routesCont = Iterables.getOnlyElement(routes);
    final PathId pathId = PathIdUtil.buildPathId(routesCont, routePathIdNid());
    final RouteDistinguisher rd = extractRouteDistinguisher(routesCont, this.routeDistinguisherNID);
    return this.nlriParser.createWithdrawnDestinationType(new Object[] { rd, this.nlriParser.extractFlowspec(Iterables.getOnlyElement(routes)) }, pathId);
}

Example 54 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project bgpcep by opendaylight.

the class AdjRibInWriter method updateRoutes.

void updateRoutes(final MpReachNlri nlri, final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes attributes) {
    final TablesKey key = new TablesKey(nlri.getAfi(), nlri.getSafi());
    final TableContext ctx = this.tables.get(key);
    if (ctx == null) {
        LOG.debug("No table for {}, not accepting NLRI {}", key, nlri);
        return;
    }
    final DOMDataWriteTransaction tx = this.chain.newWriteOnlyTransaction();
    ctx.writeRoutes(tx, nlri, attributes);
    LOG.trace("Write routes {}", nlri);
    Futures.addCallback(tx.submit(), new FutureCallback<Void>() {

        @Override
        public void onSuccess(final Void result) {
            LOG.trace("Write routes {}, succeed", nlri);
        }

        @Override
        public void onFailure(final Throwable throwable) {
            LOG.error("Write routes failed", throwable);
        }
    }, MoreExecutors.directExecutor());
}

Example 55 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project bgpcep by opendaylight.

the class AbstractBestPathSelector method isExistingPathBetter.

/**
 * Chooses best route according to BGP best path selection.
 *
 * @param state attributes of the new route
 * @return true if the existing path is better, false if the new path is better
 */
protected boolean isExistingPathBetter(@Nonnull final BestPathState state) {
    /*
         * 2. prefer path with higher LOCAL_PREF
         *
         * FIXME: for eBGP cases (when the LOCAL_PREF is missing), we should assign a policy-based preference
         *        before we ever get here.
         */
    if (this.bestState.getLocalPref() == null && state.getLocalPref() != null) {
        return true;
    }
    if (this.bestState.getLocalPref() != null && state.getLocalPref() == null) {
        return false;
    }
    if (state.getLocalPref() != null && state.getLocalPref() > this.bestState.getLocalPref()) {
        return false;
    }
    if (state.getLocalPref() != null && state.getLocalPref() < this.bestState.getLocalPref()) {
        return true;
    }
    // 4. prefer the path with the shortest AS_PATH.
    if (this.bestState.getAsPathLength() != state.getAsPathLength()) {
        return this.bestState.getAsPathLength() < state.getAsPathLength();
    }
    // - IGP is lower than Exterior Gateway Protocol (EGP), and EGP is lower than INCOMPLETE
    if (!this.bestState.getOrigin().equals(state.getOrigin())) {
        final BgpOrigin bo = this.bestState.getOrigin();
        final BgpOrigin no = state.getOrigin();
        // This trick relies on the order in which the values are declared in the model.
        return no.ordinal() > bo.ordinal();
    }
    // FIXME: we should be able to cache the best AS
    final Long bestAs = this.bestState.getPeerAs();
    final Long newAs = state.getPeerAs();
    /*
         * Checks 6 and 7 are mutually-exclusive, as MEDs are comparable
         * only when the routes originated from the same AS. On the other
         * hand, when they are from the same AS, they are in the same iBGP/eBGP
         * relationship.
         *
         */
    if (bestAs.equals(newAs)) {
        // 6. prefer the path with the lowest multi-exit discriminator (MED)
        if (this.bestState.getMultiExitDisc() != null || state.getMultiExitDisc() != null) {
            final Long bmed = this.bestState.getMultiExitDisc();
            final Long nmed = state.getMultiExitDisc();
            return nmed > bmed;
        }
    } else {
        /*
             * 7. prefer eBGP over iBGP paths
             *
             * EBGP is peering between two different AS, whereas IBGP is between same AS (Autonomous System),
             * so we just compare the AS numbers to our AS.
             *
             * FIXME: we should know this information from the peer directly.
             */
        if (this.ourAs != bestAs && this.ourAs == newAs) {
            return true;
        }
    }
    /*
         * 10. Prefer the route that comes from the BGP router with the lowest router ID.
         *
         * This is normally guaranteed by the iteration order of our caller, which runs selection
         * in the order of increasing router ID, but RFC-4456 Route Reflection throws a wrench into that.
         *
         * With RFC-5004, this gets a bit easier, because it completely eliminates step f) and later :-)
         *
         * RFC-5004 states that this algorithm should end here and select existing path over new path in the
         * best path selection process. Benefits are listed in the RFC: @see http://tools.ietf.org/html/rfc500
         * - This algorithm SHOULD NOT be applied when either path is from a BGP Confederation peer.
         *  - not applicable, we don't deal with confederation peers
         * - The algorithm SHOULD NOT be applied when both paths are from peers with an identical BGP identifier
         *   (i.e., there exist parallel BGP sessions between two BGP speakers).
         *  - not applicable, BUG-2631 prevents parallel sessions to be created.
         */
    return true;
}