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

Example 56 with Nlri

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

the class AbstractVpnRIBSupport method createRouteKey.

private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode l3vpn) {
    final ByteBuf buffer = Unpooled.buffer();
    final VpnDestination dests = new VpnDestinationBuilder().setPrefix(createPrefix(extractPrefix(l3vpn))).setRouteDistinguisher(extractRouteDistinguisher(l3vpn)).build();
    final ByteBuf nlriByteBuf = Unpooled.buffer();
    for (final VpnDestination dest : Collections.singletonList(dests)) {
        final IpPrefix prefix = dest.getPrefix();
        LOG.debug("Serializing Nlri: VpnDestination={}, IpPrefix={}", dest, prefix);
        AbstractVpnNlriParser.serializeLengtField(prefix, null, nlriByteBuf);
        RouteDistinguisherUtil.serializeRouteDistinquisher(dest.getRouteDistinguisher(), nlriByteBuf);
        Preconditions.checkArgument(prefix.getIpv6Prefix() != null || prefix.getIpv4Prefix() != null, "Ipv6 or Ipv4 prefix is missing.");
        LUNlriParser.serializePrefixField(prefix, nlriByteBuf);
    }
    buffer.writeBytes(nlriByteBuf);
    return PathIdUtil.createNidKey(routeQName(), routeKeyTemplate(), ByteArray.encodeBase64(buffer), l3vpn.findChildByArg(routePathIdNid()));
}

Example 57 with Nlri

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

the class VpnDestinationUtil method parseNlri.

static List<VpnDestination> parseNlri(final ByteBuf nlri, final PeerSpecificParserConstraint constraints, final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
    if (!nlri.isReadable()) {
        return null;
    }
    final List<VpnDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final VpnDestinationBuilder builder = new VpnDestinationBuilder();
        if (MultiPathSupportUtil.isTableTypeSupported(constraints, new BgpTableTypeImpl(afi, safi))) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final short length = nlri.readUnsignedByte();
        final List<LabelStack> labels = LUNlriParser.parseLabel(nlri);
        builder.setLabelStack(labels);
        final int labelNum = labels != null ? labels.size() : 1;
        final int prefixLen = length - (LUNlriParser.LABEL_LENGTH * Byte.SIZE * labelNum) - (RouteDistinguisherUtil.RD_LENGTH * Byte.SIZE);
        builder.setRouteDistinguisher(RouteDistinguisherUtil.parseRouteDistinguisher(nlri));
        Preconditions.checkState(prefixLen > 0, "A valid VPN IP prefix is required.");
        builder.setPrefix(LUNlriParser.parseIpPrefix(nlri, prefixLen, afi));
        dests.add(builder.build());
    }
    return dests;
}

Example 58 with Nlri

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

the class BmpRibInWriter method prefixesToMpReach.

/**
 * Creates MPReach for the prefixes to be handled in the same way as linkstate routes.
 *
 * @param message Update message containing prefixes in NLRI
 * @return MpReachNlri with prefixes from the nlri field
 */
private static MpReachNlri prefixesToMpReach(final UpdateMessage message) {
    final List<Ipv4Prefixes> prefixes = message.getNlri().stream().map(n -> new Ipv4PrefixesBuilder().setPrefix(n.getPrefix()).setPathId(n.getPathId()).build()).collect(Collectors.toList());
    final MpReachNlriBuilder b = new MpReachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv4CaseBuilder().setDestinationIpv4(new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build());
    if (message.getAttributes() != null) {
        b.setCNextHop(message.getAttributes().getCNextHop());
    }
    return b.build();
}

Example 59 with Nlri

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

the class BmpRibInWriter method removeRoutes.

private synchronized void removeRoutes(final MpUnreachNlri nlri) {
    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;
    }
    LOG.trace("Removing routes {}", nlri);
    final DOMDataTreeWriteTransaction tx = this.chain.newWriteOnlyTransaction();
    ctx.removeRoutes(tx, nlri);
    tx.commit().addCallback(new FutureCallback<CommitInfo>() {

        @Override
        public void onSuccess(final CommitInfo result) {
            LOG.trace("Successful commit");
        }

        @Override
        public void onFailure(final Throwable trw) {
            LOG.error("Failed commit", trw);
        }
    }, MoreExecutors.directExecutor());
}

Example 60 with Nlri

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

the class BmpRibInWriter method checkEndOfRib.

/**
 * For each received Update message, the upd sync variable needs to be updated to true, for particular AFI/SAFI
 * combination. Currently we only assume Unicast SAFI. From the Update message we have to extract the AFI. Each
 * Update message can contain BGP Object with one type of AFI. If the object is BGP Link, BGP Node or a BGPPrefix
 * the AFI is Linkstate. In case of BGPRoute, the AFI depends on the IP Address of the prefix.
 *
 * @param msg received Update message
 */
private boolean checkEndOfRib(final UpdateMessage msg) {
    TablesKey type = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
    boolean isEOR = false;
    if (msg.getNlri() == null && msg.getWithdrawnRoutes() == null) {
        if (msg.getAttributes() != null) {
            if (msg.getAttributes().augmentation(AttributesReach.class) != null) {
                final AttributesReach pa = msg.getAttributes().augmentation(AttributesReach.class);
                if (pa.getMpReachNlri() != null) {
                    type = new TablesKey(pa.getMpReachNlri().getAfi(), pa.getMpReachNlri().getSafi());
                }
            } else if (msg.getAttributes().augmentation(AttributesUnreach.class) != null) {
                final AttributesUnreach pa = msg.getAttributes().augmentation(AttributesUnreach.class);
                if (pa.getMpUnreachNlri() != null) {
                    type = new TablesKey(pa.getMpUnreachNlri().getAfi(), pa.getMpUnreachNlri().getSafi());
                }
                if (pa.getMpUnreachNlri().getWithdrawnRoutes() == null) {
                    // EOR message contains only MPUnreach attribute and no NLRI
                    isEOR = true;
                }
            }
        } else {
            // true for empty Update Message
            isEOR = true;
        }
    }
    if (isEOR) {
        markTableUptodated(type);
        LOG.debug("BMP Synchronization finished for table {} ", type);
    }
    return isEOR;
}