Examples with Bandwidth org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth used on opensource projects

Example 6 with Bandwidth

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth in project bgpcep by opendaylight.

the class PCEPRequestMessageParser method insertObject.

private static State insertObject(final State state, final List<Object> objects, final List<VendorInformationObject> viObjects, final P2pBuilder builder, final List<Metrics> metrics, final List<Message> errors, final Rp rp) {
    final Object obj = objects.get(0);
    switch(state) {
        case INIT:
            if (obj instanceof Rro) {
                builder.setRro((Rro) obj);
                objects.remove(0);
                final Object nextObj = objects.get(0);
                if (nextObj instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reoptimization.bandwidth.object.ReoptimizationBandwidth) {
                    builder.setReoptimizationBandwidth((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reoptimization.bandwidth.object.ReoptimizationBandwidth) nextObj);
                }
                return State.REPORTED_IN;
            }
        case REPORTED_IN:
            if (obj instanceof VendorInformationObject) {
                viObjects.add((VendorInformationObject) obj);
                return State.REPORTED_IN;
            }
        case VENDOR_INFO_LIST:
            if (obj instanceof LoadBalancing) {
                builder.setLoadBalancing((LoadBalancing) obj);
                return State.LOAD_BIN;
            }
        case LOAD_BIN:
            if (obj instanceof Lspa) {
                builder.setLspa((Lspa) obj);
                return State.LSPA_IN;
            }
        case LSPA_IN:
            if (obj instanceof Bandwidth) {
                builder.setBandwidth((Bandwidth) obj);
                return State.BANDWIDTH_IN;
            }
        case BANDWIDTH_IN:
            if (obj instanceof Metric) {
                metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
                return State.BANDWIDTH_IN;
            }
        case METRIC_IN:
            if (obj instanceof Iro) {
                builder.setIro((Iro) obj);
                return State.IRO_IN;
            }
        case IRO_IN:
            if (obj instanceof Rro) {
                builder.setRro((Rro) obj);
                return State.RRO_IN;
            }
        case RRO_IN:
            if (obj instanceof Xro) {
                builder.setXro((Xro) obj);
                return State.XRO_IN;
            }
        case XRO_IN:
            if (obj instanceof Of) {
                builder.setOf((Of) obj);
                return State.OF_IN;
            }
        case OF_IN:
            if (obj instanceof ClassType) {
                final ClassType classType = (ClassType) obj;
                if (!classType.isProcessingRule()) {
                    errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rp)));
                } else {
                    builder.setClassType(classType);
                }
                return State.CT_IN;
            }
        case CT_IN:
        case END:
            return State.END;
        default:
            return state;
    }
}

Example 7 with Bandwidth

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth in project bgpcep by opendaylight.

the class PCEPBandwidthObjectParser method serializeObject.

@Override
public void serializeObject(final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof Bandwidth, "Wrong instance of PCEPObject. Passed %s. Needed BandwidthObject.", object.getClass());
    final ByteBuf body = Unpooled.buffer();
    writeFloat32(((Bandwidth) object).getBandwidth(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

Example 8 with Bandwidth

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth in project bgpcep by opendaylight.

the class PCEPBandwidthObjectParser method parseObject.

@Override
public Bandwidth parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
    if (bytes.readableBytes() != BANDWIDTH_F_LENGTH) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes() + "; Expected: " + BANDWIDTH_F_LENGTH + ".");
    }
    final BandwidthBuilder builder = new BandwidthBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    builder.setBandwidth(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(ByteArray.getAllBytes(bytes)));
    return builder.build();
}

Example 9 with Bandwidth

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth 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 10 with Bandwidth

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth in project bgpcep by opendaylight.

the class ConstrainedShortestPathFirst method computeP2pPath.

@Override
public ConstrainedPath computeP2pPath(final VertexKey src, final VertexKey dst, final PathConstraints cts) {
    LOG.info("Start CSPF Path Computation from {} to {} with constraints {}", src, dst, cts);
    /* Initialize algorithm */
    this.constraints = cts;
    ConstrainedPathBuilder cpathBuilder = initializePathComputation(src, dst);
    if (cpathBuilder.getStatus() == ComputationStatus.Failed) {
        return cpathBuilder.build();
    }
    cpathBuilder.setBandwidth(cts.getBandwidth()).setClassType(cts.getClassType());
    visitedVertices.clear();
    /* Process all Connected Vertex until priority queue becomes empty. Connected Vertices are added into the
         * priority queue when processing the next Connected Vertex: see relaxMC() method */
    int currentCost = Integer.MAX_VALUE;
    while (priorityQueue.size() != 0) {
        CspfPath currentPath = priorityQueue.poll();
        visitedVertices.put(currentPath.getVertexKey(), currentPath);
        LOG.debug("Got path to Vertex {} from Priority Queue", currentPath.getVertex());
        List<ConnectedEdge> edges = currentPath.getVertex().getOutputConnectedEdges();
        for (ConnectedEdge edge : edges) {
            /* Skip Connected Edges that must be prune i.e. Edges that not satisfy the given constraints,
                 * in particular the Bandwidth, TE Metric and Delay. */
            if (pruneEdge(edge, currentPath)) {
                LOG.trace("  Prune Edge {}", edge);
                continue;
            }
            if (relaxMultiConstraints(edge, currentPath) && pathDestination.getCost() < currentCost) {
                currentCost = pathDestination.getCost();
                cpathBuilder.setPathDescription(getPathDescription(pathDestination.getPath())).setMetric(Uint32.valueOf(pathDestination.getCost())).setStatus(ComputationStatus.Active);
                LOG.debug("  Found a valid path up to destination {}", cpathBuilder.getPathDescription());
            }
        }
    }
    /* The priority queue is empty => all the possible (vertex, path) elements have been explored
         * The "ConstrainedPathBuilder" object contains the optimal path if it exists
         * Otherwise an empty path with status failed is returned
         */
    if (cpathBuilder.getStatus() == ComputationStatus.InProgress || cpathBuilder.getPathDescription().size() == 0) {
        cpathBuilder.setStatus(ComputationStatus.Failed);
    } else {
        cpathBuilder.setStatus(ComputationStatus.Completed);
    }
    return cpathBuilder.build();
}