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

Example 6 with PrefixAttributesCase

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

the class LinkstateGraphBuilder method createPrefix.

/**
 * Create new Prefix in the Connected Graph.
 *
 * @param value       The complete Linkstate route information
 * @param prefixCase  The Prefix part of the Linkstate route
 * @param attributes  The Prefix attributes
 */
private void createPrefix(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;
    }
    /* Verify that all mandatory information are present */
    final PrefixAttributes pa;
    final Attributes1 attr = attributes.augmentation(Attributes1.class);
    if (attr != null) {
        final LinkStateAttribute attrType = attr.getLinkStateAttribute();
        if (attrType instanceof PrefixAttributesCase) {
            pa = ((PrefixAttributesCase) attrType).getPrefixAttributes();
        } else {
            LOG.warn("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
            return;
        }
    } else {
        LOG.warn("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
        return;
    }
    /*
         * Get Connected Vertex from Connected Graph corresponding to the
         * Advertising Node Descriptor
         */
    Uint64 vertexId = getVertexId(prefixCase.getAdvertisingNodeDescriptors().getCRouterIdentifier());
    if (vertexId == Uint64.ZERO) {
        LOG.warn("Unable to get the Vertex Identifier from descriptor {}, skipping it", prefixCase.getAdvertisingNodeDescriptors());
        return;
    }
    /* Create Prefix */
    PrefixBuilder builder = new PrefixBuilder().setVertexId(vertexId).setPrefix(ippfx);
    if (pa.getSrPrefix() != null && pa.getSrPrefix().getSidLabelIndex() instanceof SidCase) {
        builder.setPrefixSid(((SidCase) pa.getSrPrefix().getSidLabelIndex()).getSid());
        if (pa.getSrPrefix().getFlags() instanceof IsisPrefixFlagsCase) {
            builder.setNodeSid(((IsisPrefixFlagsCase) pa.getSrPrefix().getFlags()).getIsisPrefixFlags().getNodeSid());
        } else {
            /*
                 * Seems that OSPF Flags are not accessible. Assuming that the
                 * Prefix is a Node SID
                 */
            builder.setNodeSid(true);
        }
    }
    Prefix prefix = builder.build();
    /* Add the Prefix to the Connected Vertex within the Connected Graph */
    LOG.info("Add prefix {} in TED[{}]", builder.getPrefix(), cgraph);
    cgraph.addPrefix(prefix);
}