use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.path.attribute.link.state.attribute.NodeAttributesCaseBuilder 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();
}
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