Examples with EdgeAttributes org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.edge.EdgeAttributes used on opensource projects

Example 1 with EdgeAttributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.edge.EdgeAttributes in project bgpcep by opendaylight.

the class AbstractPathComputation method pruneEdge.

/**
 * Check if Edge need to be prune regarding all constraints including
 * address family.
 *
 * @return True if Edge must be prune, False if Edge must be keep
 */
protected boolean pruneEdge(final ConnectedEdge edge, final CspfPath path) {
    /* Check that Constraints are initialized */
    if (constraints == null) {
        LOG.warn("Constraints not set");
        return true;
    }
    /* Edge could point to an unknown Vertex e.g. with inter-domain link */
    if (edge.getDestination() == null || edge.getDestination().getVertex() == null) {
        LOG.debug("No Destination");
        return true;
    }
    /* Check that Edge have attributes */
    EdgeAttributes attributes = edge.getEdge() != null ? edge.getEdge().getEdgeAttributes() : null;
    if (attributes == null) {
        LOG.debug("No attributes");
        return true;
    }
    /* Check that Edge belongs to the requested address family */
    switch(constraints.getAddressFamily()) {
        case Ipv4:
            if (attributes.getRemoteAddress() == null || attributes.getRemoteAddress().getIpv4Address() == null) {
                LOG.debug("No Ipv4 address");
                return true;
            }
            break;
        case Ipv6:
            if (attributes.getRemoteAddress() == null || attributes.getRemoteAddress().getIpv6Address() == null) {
                LOG.debug("No Ipv6 address");
                return true;
            }
            break;
        case SrIpv4:
            if (getIpv4NodeSid(edge.getDestination()) == null) {
                LOG.debug("No Node-SID for IPv4");
                return true;
            }
            if (attributes.getAdjSid() == null) {
                LOG.debug("No Adjacency-SID");
                return true;
            }
            break;
        case SrIpv6:
            if (getIpv6NodeSid(edge.getDestination()) == null) {
                LOG.debug("No Node-SID for IPv6");
                return true;
            }
            if (attributes.getAdjSid() == null) {
                LOG.debug("No SR Adjacency-SID");
                return true;
            }
            break;
        default:
            return true;
    }
    /* Skip checking other Constraints for simple SPF algorithm */
    if (this instanceof ShortestPathFirst) {
        LOG.trace("Edge {} is valid for Simple Path Computation", edge);
        return false;
    }
    /*
         * If specified, check that total TE Metric up to this edge respects the
         * initial constraints
         */
    if (constraints.getTeMetric() != null) {
        if (attributes.getTeMetric() == null) {
            return true;
        } else {
            int totalCost = attributes.getTeMetric().intValue() + path.getCost();
            if (totalCost > constraints.getTeMetric().intValue()) {
                LOG.debug("TeMetric {} exceed constraint {}", totalCost, constraints.getTeMetric().intValue());
                return true;
            }
        }
    }
    /*
         * If specified, check that total Delay up to this edge respects the
         * initial constraints
         */
    if (constraints.getDelay() != null) {
        if (attributes.getDelay() == null) {
            return true;
        } else {
            int totalDelay = attributes.getDelay().getValue().intValue() + path.getDelay();
            if (totalDelay > constraints.getDelay().getValue().intValue()) {
                LOG.debug("Delay {} exceed constraint {}", totalDelay, constraints.getDelay().getValue().intValue());
                return true;
            }
        }
    }
    /* Check that Edge respect Loss constraint */
    if (constraints.getLoss() != null) {
        if (attributes.getLoss() == null || attributes.getLoss().getValue().intValue() > constraints.getLoss().getValue().intValue()) {
            return true;
        }
    }
    /* Check that Edge meet Bandwidth constraint */
    int cos = 0;
    if (constraints.getClassType() != null) {
        cos = constraints.getClassType().intValue();
    }
    if (constraints.getBandwidth() != null) {
        if (attributes.getMaxLinkBandwidth() == null || attributes.getMaxResvLinkBandwidth() == null || attributes.getUnreservedBandwidth() == null || attributes.getUnreservedBandwidth().get(cos) == null) {
            return true;
        } else {
            Long bandwidth = constraints.getBandwidth().getValue().longValue();
            Long unrsv = 0L;
            for (UnreservedBandwidth unResBw : attributes.getUnreservedBandwidth()) {
                if (unResBw.getClassType().intValue() == cos) {
                    unrsv = unResBw.getBandwidth().getValue().longValue();
                    break;
                }
            }
            if (unrsv < bandwidth || attributes.getMaxLinkBandwidth().getValue().longValue() < bandwidth || attributes.getMaxResvLinkBandwidth().getValue().longValue() < bandwidth) {
                LOG.debug("Bandwidth constraint is not met");
                return true;
            }
        }
    }
    /* Check that Edge belongs to admin group */
    if (constraints.getAdminGroup() != null && !constraints.getAdminGroup().equals(attributes.getAdminGroup())) {
        LOG.debug("Not in the requested admin-group");
        return true;
    }
    /*
         * OK. All is fine. We can consider this Edge valid, so not to be prune
         */
    LOG.trace("Edge {} is valid for Constrained Path Computation", edge);
    return false;
}

Example 2 with EdgeAttributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.edge.EdgeAttributes in project bgpcep by opendaylight.

the class LinkstateGraphBuilder method createEdgeAttributes.

/**
 * Create Edge Attributes from Link attributes.
 *
 * @param la         Linkstate Attributes
 * @param linkDesc   Linkstate Descriptors
 *
 * @return EdgeAttributes
 */
private static EdgeAttributes createEdgeAttributes(final LinkAttributes la, final LinkDescriptors linkDesc) {
    EdgeAttributesBuilder builder = new EdgeAttributesBuilder();
    if (linkDesc.getIpv4InterfaceAddress() != null) {
        builder.setLocalAddress(new IpAddress(linkDesc.getIpv4InterfaceAddress()));
    }
    if (linkDesc.getIpv6InterfaceAddress() != null) {
        builder.setLocalAddress(new IpAddress(linkDesc.getIpv6InterfaceAddress()));
    }
    if (linkDesc.getIpv4NeighborAddress() != null) {
        builder.setRemoteAddress(new IpAddress(linkDesc.getIpv4NeighborAddress()));
    }
    if (linkDesc.getIpv6NeighborAddress() != null) {
        builder.setRemoteAddress(new IpAddress(linkDesc.getIpv6NeighborAddress()));
    }
    if (linkDesc.getLinkLocalIdentifier() != null) {
        builder.setLocalIdentifier(linkDesc.getLinkLocalIdentifier());
    }
    if (linkDesc.getLinkRemoteIdentifier() != null) {
        builder.setRemoteIdentifier(linkDesc.getLinkRemoteIdentifier());
    }
    if (la.getMetric() != null) {
        builder.setMetric(la.getMetric().getValue());
    }
    if (la.getTeMetric() != null) {
        builder.setTeMetric(la.getTeMetric().getValue());
    }
    if (la.getMaxLinkBandwidth() != null) {
        builder.setMaxLinkBandwidth(bandwithToDecimalBandwidth(la.getMaxLinkBandwidth()));
    }
    if (la.getMaxReservableBandwidth() != null) {
        builder.setMaxResvLinkBandwidth(bandwithToDecimalBandwidth(la.getMaxReservableBandwidth()));
    }
    if (la.getUnreservedBandwidth() != null) {
        int upperBound = Math.min(la.getUnreservedBandwidth().size(), MAX_PRIORITY);
        final List<UnreservedBandwidth> unRsvBw = new ArrayList<>(upperBound);
        for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.UnreservedBandwidth bandwidth : la.nonnullUnreservedBandwidth().values()) {
            unRsvBw.add(new UnreservedBandwidthBuilder().setBandwidth(bandwithToDecimalBandwidth(bandwidth.getBandwidth())).withKey(new UnreservedBandwidthKey(bandwidth.getPriority())).build());
        }
        builder.setUnreservedBandwidth(unRsvBw);
    }
    if (la.getAdminGroup() != null) {
        builder.setAdminGroup(la.getAdminGroup().getValue());
    }
    if (la.getLinkDelay() != null) {
        builder.setDelay(new Delay(la.getLinkDelay().getValue()));
    }
    if (la.getLinkMinMaxDelay() != null && la.getLinkMinMaxDelay() != null) {
        MinMaxDelay mmDelay = new MinMaxDelayBuilder().setMaxDelay(new Delay(la.getLinkMinMaxDelay().getMaxDelay().getValue())).setMinDelay(new Delay(la.getLinkMinMaxDelay().getMinDelay().getValue())).build();
        builder.setMinMaxDelay(mmDelay);
    }
    if (la.getDelayVariation() != null) {
        builder.setJitter(new Delay(la.getDelayVariation().getValue()));
    }
    if (la.getLinkLoss() != null) {
        builder.setLoss(new Loss(la.getLinkLoss().getValue()));
    }
    if (la.getAvailableBandwidth() != null) {
        builder.setAvailableBandwidth(bandwithToDecimalBandwidth(la.getAvailableBandwidth()));
    }
    if (la.getResidualBandwidth() != null) {
        builder.setResidualBandwidth(bandwithToDecimalBandwidth(la.getResidualBandwidth()));
    }
    if (la.getUtilizedBandwidth() != null) {
        builder.setUtilizedBandwidth(bandwithToDecimalBandwidth(la.getUtilizedBandwidth()));
    }
    if (la.getSharedRiskLinkGroups() != null) {
        List<Uint32> srlgs = new ArrayList<>();
        for (SrlgId srlg : la.getSharedRiskLinkGroups()) {
            srlgs.add(srlg.getValue());
        }
        builder.setSrlgs(srlgs);
    }
    for (SrAdjIds adj : la.nonnullSrAdjIds()) {
        if (adj.getSidLabelIndex() instanceof LocalLabelCase) {
            boolean backup = false;
            if (adj.getFlags() instanceof OspfAdjFlags) {
                backup = ((OspfAdjFlags) adj.getFlags()).getBackup();
            }
            if (adj.getFlags() instanceof IsisAdjFlags) {
                backup = ((IsisAdjFlags) adj.getFlags()).getBackup();
            }
            if (!backup) {
                builder.setAdjSid(((LocalLabelCase) adj.getSidLabelIndex()).getLocalLabel().getValue());
            } else {
                builder.setBackupAdjSid(((LocalLabelCase) adj.getSidLabelIndex()).getLocalLabel().getValue());
            }
        }
    }
    return builder.build();
}