Examples with LinkStateAttribute org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute used on opensource projects

Example 1 with LinkStateAttribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute in project bgpcep by opendaylight.

the class LinkstateAttributeParser method serializeAttribute.

/**
 * Serialize linkstate attributes.
 *
 * @param attribute DataObject representing LinkstatePathAttribute
 * @param byteAggregator ByteBuf where all serialized data are aggregated
 */
@Override
public void serializeAttribute(final DataObject attribute, final ByteBuf byteAggregator) {
    Preconditions.checkArgument(attribute instanceof Attributes, "Attribute parameter is not a PathAttribute object.");
    final Attributes1 pathAttributes1 = ((Attributes) attribute).getAugmentation(Attributes1.class);
    if (pathAttributes1 == null) {
        return;
    }
    final LinkStateAttribute linkState = pathAttributes1.getLinkStateAttribute();
    final ByteBuf lsBuffer = Unpooled.buffer();
    if (linkState instanceof LinkAttributesCase) {
        LinkAttributesParser.serializeLinkAttributes((LinkAttributesCase) linkState, lsBuffer);
    } else if (linkState instanceof NodeAttributesCase) {
        NodeAttributesParser.serializeNodeAttributes((NodeAttributesCase) linkState, lsBuffer);
    } else if (linkState instanceof PrefixAttributesCase) {
        PrefixAttributesParser.serializePrefixAttributes((PrefixAttributesCase) linkState, lsBuffer);
    } else if (linkState instanceof TeLspAttributesCase) {
        TeLspAttributesParser.serializeLspAttributes(this.rsvpTeObjectRegistry, (TeLspAttributesCase) linkState, lsBuffer);
        byteAggregator.writeBytes(lsBuffer);
        return;
    }
    AttributeUtil.formatAttribute(AttributeUtil.OPTIONAL, getType(), lsBuffer, byteAggregator);
}

Example 2 with LinkStateAttribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute in project bgpcep by opendaylight.

the class LinkAttributesParser method parseLinkAttributes.

/**
 * Parse Link Attributes.
 *
 * @param attributes key is the tlv type and value is the value of the tlv
 * @param protocolId to differentiate parsing methods
 * @return {@link LinkStateAttribute}
 */
static LinkStateAttribute parseLinkAttributes(final Multimap<Integer, ByteBuf> attributes, final ProtocolId protocolId) {
    final LinkAttributesBuilder builder = new LinkAttributesBuilder();
    final List<SrAdjIds> srAdjIds = new ArrayList<>();
    final List<SrLanAdjIds> srLanAdjIds = new ArrayList<>();
    final List<PeerSetSids> peerSetSids = new ArrayList<>();
    for (final Entry<Integer, ByteBuf> entry : attributes.entries()) {
        LOG.trace("Link attribute TLV {}", entry.getKey());
        final int key = entry.getKey();
        final ByteBuf value = entry.getValue();
        switch(key) {
            case TlvUtil.LOCAL_IPV4_ROUTER_ID:
                builder.setLocalIpv4RouterId(new Ipv4RouterIdentifier(Ipv4Util.addressForByteBuf(value)));
                LOG.debug("Parsed IPv4 Router-ID of local node: {}", builder.getLocalIpv4RouterId());
                break;
            case TlvUtil.LOCAL_IPV6_ROUTER_ID:
                builder.setLocalIpv6RouterId(new Ipv6RouterIdentifier(Ipv6Util.addressForByteBuf(value)));
                LOG.debug("Parsed IPv6 Router-ID of local node: {}", builder.getLocalIpv6RouterId());
                break;
            case REMOTE_IPV4_ROUTER_ID:
                builder.setRemoteIpv4RouterId(new Ipv4RouterIdentifier(Ipv4Util.addressForByteBuf(value)));
                LOG.debug("Parsed IPv4 Router-ID of remote node: {}", builder.getRemoteIpv4RouterId());
                break;
            case REMOTE_IPV6_ROUTER_ID:
                builder.setRemoteIpv6RouterId(new Ipv6RouterIdentifier(Ipv6Util.addressForByteBuf(value)));
                LOG.debug("Parsed IPv6 Router-ID of remote node: {}", builder.getRemoteIpv6RouterId());
                break;
            case ADMIN_GROUP:
                builder.setAdminGroup(new AdministrativeGroup(readUint32(value)));
                LOG.debug("Parsed Administrative Group {}", builder.getAdminGroup());
                break;
            case EXTENDED_ADMIN_GROUP:
                // FIXME: BGPCEP-895: add proper implementation
                LOG.info("Support for Extended Administrative Group not implemented, ignoring it");
                break;
            case MAX_BANDWIDTH:
                builder.setMaxLinkBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
                LOG.debug("Parsed Max Bandwidth {}", builder.getMaxLinkBandwidth());
                break;
            case MAX_RESERVABLE_BANDWIDTH:
                builder.setMaxReservableBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
                LOG.debug("Parsed Max Reservable Bandwidth {}", builder.getMaxReservableBandwidth());
                break;
            case UNRESERVED_BANDWIDTH:
                parseUnreservedBandwidth(value, builder);
                break;
            case TE_METRIC:
                builder.setTeMetric(new TeMetric(readUint32(value)));
                LOG.debug("Parsed Metric {}", builder.getTeMetric());
                break;
            case LINK_PROTECTION_TYPE:
                builder.setLinkProtection(LinkProtectionType.forValue(value.readShort()));
                LOG.debug("Parsed Link Protection Type {}", builder.getLinkProtection());
                break;
            case MPLS_PROTOCOL:
                final BitArray bits = BitArray.valueOf(value, FLAGS_SIZE);
                builder.setMplsProtocol(new MplsProtocolMask(bits.get(LDP_BIT), bits.get(RSVP_BIT)));
                LOG.debug("Parsed MPLS Protocols: {}", builder.getMplsProtocol());
                break;
            case METRIC:
                // length can 3, 2 or 1
                builder.setMetric(new Metric(Uint32.valueOf(ByteArray.bytesToLong(ByteArray.readAllBytes(value)))));
                LOG.debug("Parsed Metric {}", builder.getMetric());
                break;
            case SHARED_RISK_LINK_GROUP:
                parseSrlg(value, builder);
                break;
            case LINK_OPAQUE:
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Parsed Opaque value : {}", ByteBufUtil.hexDump(value));
                }
                break;
            case LINK_NAME:
                builder.setLinkName(new String(ByteArray.readAllBytes(value), StandardCharsets.US_ASCII));
                LOG.debug("Parsed Link Name : {}", builder.getLinkName());
                break;
            case SR_ADJ_ID:
                srAdjIds.add(SrLinkAttributesParser.parseAdjacencySegmentIdentifier(value, protocolId));
                LOG.debug("Parsed Adjacency Segment Identifier :{}", srAdjIds.get(srAdjIds.size() - 1));
                break;
            case SR_LAN_ADJ_ID:
                srLanAdjIds.add(SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(value, protocolId));
                LOG.debug("Parsed Adjacency Segment Identifier :{}", srLanAdjIds.get(srLanAdjIds.size() - 1));
                break;
            case PEER_NODE_SID_CODE:
                builder.setPeerNodeSid(new PeerNodeSidBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value)).build());
                LOG.debug("Parsed Peer Segment Identifier :{}", builder.getPeerNodeSid());
                break;
            case PEER_ADJ_SID_CODE:
                builder.setPeerAdjSid(new PeerAdjSidBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value)).build());
                LOG.debug("Parsed Peer Segment Identifier :{}", builder.getPeerAdjSid());
                break;
            case PEER_SET_SID_CODE:
                peerSetSids.add(new PeerSetSidsBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value)).build());
                LOG.debug("Parsed Peer Set Sid :{}", peerSetSids.get(peerSetSids.size() - 1));
                break;
            // Performance Metrics
            case LINK_DELAY:
                builder.setLinkDelay(new Delay(readUint32(value)));
                LOG.debug("Parsed Link Delay {}", builder.getLinkDelay());
                break;
            case LINK_MIN_MAX_DELAY:
                builder.setLinkMinMaxDelay(new LinkMinMaxDelayBuilder().setMinDelay(new Delay(readUint32(value))).setMaxDelay(new Delay(readUint32(value))).build());
                LOG.debug("Parsed Link Min/Max Delay {}", builder.getLinkMinMaxDelay());
                break;
            case DELAY_VARIATION:
                builder.setDelayVariation(new Delay(readUint32(value)));
                LOG.debug("Parsed Delay Variation {}", builder.getDelayVariation());
                break;
            case LINK_LOSS:
                builder.setLinkLoss(new Loss(readUint32(value)));
                LOG.debug("Parsed Link Loss {}", builder.getLinkLoss());
                break;
            case RESIDUAL_BANDWIDTH:
                builder.setResidualBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
                LOG.debug("Parsed Residual Bandwidth {}", builder.getResidualBandwidth());
                break;
            case AVAILABLE_BANDWIDTH:
                builder.setAvailableBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
                LOG.debug("Parsed Available Bandwidth {}", builder.getAvailableBandwidth());
                break;
            case UTILIZED_BANDWIDTH:
                builder.setUtilizedBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
                LOG.debug("Parsed Utilized Bandwidth {}", builder.getUtilizedBandwidth());
                break;
            default:
                LOG.warn("TLV {} is not a recognized link attribute, ignoring it", key);
        }
    }
    if (!srAdjIds.isEmpty()) {
        builder.setSrAdjIds(srAdjIds);
    }
    if (!srLanAdjIds.isEmpty()) {
        builder.setSrLanAdjIds(srLanAdjIds);
    }
    if (!peerSetSids.isEmpty()) {
        builder.setPeerSetSids(peerSetSids);
    }
    LOG.trace("Finished parsing Link Attributes.");
    return new LinkAttributesCaseBuilder().setLinkAttributes(builder.build()).build();
}

Example 3 with LinkStateAttribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute in project bgpcep by opendaylight.

the class NodeAttributesParser method parseNodeAttributes.

/**
 * Parse Node Attributes.
 *
 * @param attributes key is the tlv type and value is the value of the tlv
 * @param protocolId to differentiate parsing methods
 * @return {@link LinkStateAttribute}
 */
static LinkStateAttribute parseNodeAttributes(final Multimap<Integer, ByteBuf> attributes, final ProtocolId protocolId) {
    final List<TopologyIdentifier> topologyMembership = new ArrayList<>();
    final List<IsisAreaIdentifier> areaMembership = new ArrayList<>();
    final NodeAttributesBuilder builder = new NodeAttributesBuilder();
    for (final Entry<Integer, ByteBuf> entry : attributes.entries()) {
        final int key = entry.getKey();
        final ByteBuf value = entry.getValue();
        LOG.trace("Node attribute TLV {}", key);
        switch(key) {
            case TlvUtil.MULTI_TOPOLOGY_ID:
                parseTopologyId(topologyMembership, value);
                break;
            case NODE_FLAG_BITS:
                parseNodeFlags(value, builder);
                break;
            case NODE_OPAQUE:
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Ignoring opaque value: {}.", ByteBufUtil.hexDump(value));
                }
                break;
            case DYNAMIC_HOSTNAME:
                builder.setDynamicHostname(new String(ByteArray.readAllBytes(value), StandardCharsets.US_ASCII));
                LOG.debug("Parsed Node Name {}", builder.getDynamicHostname());
                break;
            case ISIS_AREA_IDENTIFIER:
                final IsisAreaIdentifier ai = new IsisAreaIdentifier(ByteArray.readAllBytes(value));
                areaMembership.add(ai);
                LOG.debug("Parsed AreaIdentifier {}", ai);
                break;
            case TlvUtil.LOCAL_IPV4_ROUTER_ID:
                final Ipv4RouterIdentifier ip4 = new Ipv4RouterIdentifier(Ipv4Util.addressForByteBuf(value));
                builder.setIpv4RouterId(ip4);
                LOG.debug("Parsed IPv4 Router Identifier {}", ip4);
                break;
            case TlvUtil.LOCAL_IPV6_ROUTER_ID:
                final Ipv6RouterIdentifier ip6 = new Ipv6RouterIdentifier(Ipv6Util.addressForByteBuf(value));
                builder.setIpv6RouterId(ip6);
                LOG.debug("Parsed IPv6 Router Identifier {}", ip6);
                break;
            case SR_CAPABILITIES:
                final SrCapabilities caps = SrNodeAttributesParser.parseSrCapabilities(value, protocolId);
                builder.setSrCapabilities(caps);
                LOG.debug("Parsed SR Capabilities {}", caps);
                break;
            case SR_ALGORITHMS:
                final SrAlgorithm algs = SrNodeAttributesParser.parseSrAlgorithms(value);
                builder.setSrAlgorithm(algs);
                LOG.debug("Parsed SR Algorithms {}", algs);
                break;
            default:
                LOG.warn("TLV {} is not a valid node attribute, ignoring it", key);
        }
    }
    LOG.trace("Finished parsing Node Attributes.");
    builder.setTopologyIdentifier(topologyMembership);
    builder.setIsisAreaId(areaMembership);
    return new NodeAttributesCaseBuilder().setNodeAttributes(builder.build()).build();
}

Example 4 with LinkStateAttribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute in project bgpcep by opendaylight.

the class LinkstateTopologyBuilder method createLink.

private void createLink(final WriteTransaction trans, final UriBuilder base, final LinkstateRoute value, final LinkCase linkCase, final Attributes attributes) {
    // defensive lookup
    final LinkAttributes la;
    final Attributes1 attr = attributes.augmentation(Attributes1.class);
    if (attr != null) {
        final LinkStateAttribute attrType = attr.getLinkStateAttribute();
        if (attrType != null) {
            la = ((LinkAttributesCase) attrType).getLinkAttributes();
        } else {
            LOG.debug("Missing attribute type in link {} route {}, skipping it", linkCase, value);
            la = null;
        }
    } else {
        LOG.debug("Missing attributes in link {} route {}, skipping it", linkCase, value);
        la = null;
    }
    final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
    Long adjSid = null;
    if (la != null) {
        if (la.getMetric() != null) {
            ilab.setMetric(la.getMetric().getValue());
        }
        ilab.setName(la.getLinkName());
        if (la.getSrAdjIds() != null && !la.getSrAdjIds().isEmpty()) {
            final SrAdjIds srAdjIds = la.getSrAdjIds().get(0);
            if (srAdjIds != null) {
                final SidLabelIndex sidLabelIndex = srAdjIds.getSidLabelIndex();
                if (sidLabelIndex instanceof LocalLabelCase) {
                    adjSid = ((LocalLabelCase) sidLabelIndex).getLocalLabel().getValue().longValue();
                }
            }
        }
    }
    ProtocolUtil.augmentProtocolId(value, ilab, la, linkCase.getLinkDescriptors());
    final LinkBuilder lb = new LinkBuilder().setLinkId(buildLinkId(base, linkCase)).addAugmentation(new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
    final NodeId srcNode = buildNodeId(base, linkCase.getLocalNodeDescriptors());
    LOG.trace("Link {} implies source node {}", linkCase, srcNode);
    final NodeId dstNode = buildNodeId(base, linkCase.getRemoteNodeDescriptors());
    LOG.trace("Link {} implies destination node {}", linkCase, dstNode);
    final TerminationPoint srcTp = buildLocalTp(base, linkCase.getLinkDescriptors());
    LOG.trace("Link {} implies source TP {}", linkCase, srcTp);
    final TerminationPoint dstTp = buildRemoteTp(base, linkCase.getLinkDescriptors());
    LOG.trace("Link {} implies destination TP {}", linkCase, dstTp);
    lb.setSource(new SourceBuilder().setSourceNode(srcNode).setSourceTp(srcTp.getTpId()).build());
    lb.setDestination(new DestinationBuilder().setDestNode(dstNode).setDestTp(dstTp.getTpId()).build());
    LOG.trace("Created TP {} as link source", srcTp);
    NodeHolder snh = this.nodes.get(srcNode);
    if (snh == null) {
        snh = getNode(srcNode);
        snh.addTp(srcTp, lb.getLinkId(), false);
        if (adjSid != null) {
            snh.createSrHolderIfRequired().addAdjacencySid(trans, false, lb.getLinkId(), adjSid);
        }
        putNode(trans, snh);
    } else {
        snh.addTp(srcTp, lb.getLinkId(), false);
        if (adjSid != null) {
            snh.createSrHolderIfRequired().addAdjacencySid(trans, true, lb.getLinkId(), adjSid);
        }
        final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(snh.getNodeId()));
        trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, srcTp.key()), srcTp);
    }
    if (adjSid != null) {
        lb.addAugmentation(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.Link1Builder().setSegment(new SegmentId(Uint32.valueOf(adjSid))).build());
    }
    LOG.debug("Created TP {} as link destination", dstTp);
    NodeHolder dnh = this.nodes.get(dstNode);
    if (dnh == null) {
        dnh = getNode(dstNode);
        dnh.addTp(dstTp, lb.getLinkId(), true);
        putNode(trans, dnh);
    } else {
        dnh.addTp(dstTp, lb.getLinkId(), true);
        final InstanceIdentifier<Node> nid = getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node.class, new NodeKey(dnh.getNodeId()));
        trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, dstTp.key()), dstTp);
    }
    final InstanceIdentifier<Link> lid = buildLinkIdentifier(lb.getLinkId());
    final Link link = lb.build();
    trans.put(LogicalDatastoreType.OPERATIONAL, lid, link);
    LOG.debug("Created link {} at {} for {}", link, lid, linkCase);
}

Example 5 with LinkStateAttribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute 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);
    }
}