Examples with SrPrefix org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix used on opensource projects

Example 1 with SrPrefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix in project bgpcep by opendaylight.

the class SrPrefixAttributesParser method parseSrPrefix.

public static SrPrefix parseSrPrefix(final ByteBuf buffer, final ProtocolId protocol) {
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    final SrPrefixBuilder builder = new SrPrefixBuilder().setFlags(parsePrefixFlags(flags, protocol)).setAlgorithm(Algorithm.forValue(buffer.readUnsignedByte()));
    buffer.skipBytes(RESERVED_PREFIX);
    return builder.setSidLabelIndex(SidLabelIndexParser.parseSidLabelIndexByFlags(Size.forValue(buffer.readableBytes()), buffer, flags.get(VALUE), flags.get(LOCAL))).build();
}

Example 2 with SrPrefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix in project bgpcep by opendaylight.

the class PrefixAttributesParser method parseAttribute.

private static void parseAttribute(final int key, final ByteBuf value, final ProtocolId protocolId, final PrefixAttributesBuilder builder, final List<RouteTag> routeTags, final List<ExtendedRouteTag> exRouteTags) {
    switch(key) {
        case IGP_FLAGS:
            parseIgpFags(builder, value);
            break;
        case ROUTE_TAG:
            parseRouteTags(routeTags, value);
            break;
        case EXTENDED_ROUTE_TAG:
            parseExtendedRouteTags(exRouteTags, value);
            break;
        case PREFIX_METRIC:
            final IgpMetric metric = new IgpMetric(ByteBufUtils.readUint32(value));
            builder.setPrefixMetric(metric);
            LOG.debug("Parsed Metric: {}", metric);
            break;
        case FORWARDING_ADDRESS:
            final IpAddressNoZone fwdAddress = parseForwardingAddress(value);
            builder.setOspfForwardingAddress(fwdAddress);
            LOG.debug("Parsed FWD Address: {}", fwdAddress);
            break;
        case PREFIX_OPAQUE:
            if (LOG.isDebugEnabled()) {
                LOG.debug("Parsed Opaque value: {}, not preserving it", ByteBufUtil.hexDump(value));
            }
            break;
        case PREFIX_SID:
            final SrPrefix prefix = SrPrefixAttributesParser.parseSrPrefix(value, protocolId);
            builder.setSrPrefix(prefix);
            LOG.debug("Parsed SR Prefix: {}", prefix);
            break;
        case IPV6_PREFIX_SID:
            final Ipv6SrPrefix ipv6Prefix = Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(value);
            builder.setIpv6SrPrefix(ipv6Prefix);
            LOG.debug("Parsed Ipv6 SR Prefix: {}", ipv6Prefix);
            break;
        case RANGE:
            final SrRange range = RangeTlvParser.parseSrRange(value, protocolId);
            builder.setSrRange(range);
            LOG.debug("Parsed SR Range: {}", range);
            break;
        case BINDING_SID:
            parseBindingSid(builder, value, protocolId);
            break;
        default:
            LOG.warn("TLV {} is not a valid prefix attribute, ignoring it", key);
    }
}

Example 3 with SrPrefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix in project bgpcep by opendaylight.

the class LinkstateTopologyBuilder method createPrefix.

private void createPrefix(final WriteTransaction trans, final UriBuilder base, final LinkstateRoute value, final PrefixCase prefixCase, final Attributes attributes) {
    final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
    if (ippfx == null) {
        LOG.warn("IP reachability not present in prefix {} route {}, skipping it", prefixCase, value);
        return;
    }
    final PrefixBuilder pb = new PrefixBuilder();
    final PrefixKey pk = new PrefixKey(ippfx);
    pb.withKey(pk);
    pb.setPrefix(ippfx);
    final PrefixAttributes pa;
    // Very defensive lookup
    final Attributes1 attr = attributes.augmentation(Attributes1.class);
    if (attr != null) {
        final LinkStateAttribute attrType = attr.getLinkStateAttribute();
        if (attrType != null) {
            pa = ((PrefixAttributesCase) attrType).getPrefixAttributes();
        } else {
            LOG.debug("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
            pa = null;
        }
    } else {
        LOG.debug("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
        pa = null;
    }
    SrPrefix srPrefix = null;
    if (pa != null) {
        if (pa.getPrefixMetric() != null) {
            pb.setMetric(pa.getPrefixMetric().getValue());
        }
        if (pa.getSrPrefix() != null) {
            srPrefix = pa.getSrPrefix();
        }
    }
    ProtocolUtil.augmentProtocolId(value, pa, pb);
    final Prefix pfx = pb.build();
    LOG.debug("Created prefix {} for {}", pfx, prefixCase);
    /*
         * All set, but... the hosting node may not exist, we may need to fake it.
         */
    final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
    NodeHolder nh = this.nodes.get(node);
    if (nh == null) {
        nh = getNode(node);
        nh.addPrefix(pfx);
        if (srPrefix != null) {
            nh.createSrHolderIfRequired().addSrPrefix(trans, false, ippfx, srPrefix);
        }
        putNode(trans, nh);
    } else {
        nh.addPrefix(pfx);
        if (srPrefix != null) {
            nh.createSrHolderIfRequired().addSrPrefix(trans, true, ippfx, srPrefix);
        }
        final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
        final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class).child(IgpNodeAttributes.class).build();
        trans.put(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk), pfx);
    }
}

Example 4 with SrPrefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix in project bgpcep by opendaylight.

the class SrAttributeParserTest method testSrPrefix.

// tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.3.1
@Test
public void testSrPrefix() {
    final byte[] bytes = { (byte) 0xA0, 0, 0, 0, 1, 2, 3, 4 };
    final byte[] bytesOspf = { (byte) 0x20, 0, 0, 0, 1, 2, 3, 4 };
    final SrPrefix prefixIsis = new SrPrefixBuilder().setFlags(ISIS_PREFIX_FLAGS).setAlgorithm(Algorithm.ShortestPathFirst).setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build()).build();
    final SrPrefix prefixOspf = new SrPrefixBuilder().setFlags(OSPF_PREFIX_FLAGS).setAlgorithm(Algorithm.ShortestPathFirst).setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build()).build();
    assertEquals(prefixIsis, SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes), ProtocolId.IsisLevel1));
    assertEquals(prefixOspf, SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes), ProtocolId.Ospf));
    final ByteBuf serializedPrefix = Unpooled.buffer();
    final ByteBuf serializedPrefixOspf = Unpooled.buffer();
    SrPrefixAttributesParser.serializeSrPrefix(prefixIsis, serializedPrefix);
    SrPrefixAttributesParser.serializeSrPrefix(prefixOspf, serializedPrefixOspf);
    assertArrayEquals(bytes, ByteArray.readAllBytes(serializedPrefix));
    assertArrayEquals(bytesOspf, ByteArray.readAllBytes(serializedPrefixOspf));
}