Examples with PathId org.openkilda.model.PathId used on opensource projects

Example 56 with PathId

use of org.openkilda.model.PathId in project open-kilda by telstra.

the class FlowPathFrame method addFlowMirrorPoints.

@Override
public void addFlowMirrorPoints(FlowMirrorPoints flowMirrorPoints) {
    FlowMirrorPoints.FlowMirrorPointsData data = flowMirrorPoints.getData();
    FlowMirrorPointsFrame frame;
    if (data instanceof FlowMirrorPointsFrame) {
        frame = (FlowMirrorPointsFrame) data;
        // Unlink the mirror points from the previous owner.
        frame.getElement().edges(Direction.IN, FlowPathFrame.HAS_SEGMENTS_EDGE).forEachRemaining(Edge::remove);
    } else {
        // A path must be added via corresponding repository first.
        throw new IllegalArgumentException("Unable to link to transient flow mirror points " + flowMirrorPoints);
    }
    PathId flowPathId = getPathId();
    frame.setProperty(FlowMirrorPointsFrame.FLOW_PATH_ID_PROPERTY, PathIdConverter.INSTANCE.toGraphProperty(flowPathId));
    linkOut(frame, HAS_SEGMENTS_EDGE);
    flowMirrorPoints.getMirrorGroup().setPathId(flowPathId);
    if (this.flowMirrorPointsSet != null) {
        this.flowMirrorPointsSet.add(flowMirrorPoints);
    }
}

Example 57 with PathId

use of org.openkilda.model.PathId in project open-kilda by telstra.

the class FlowResourcesManager method allocateFlowResources.

/**
 * Try to allocate resources for the flow paths. The method doesn't initialize a transaction.
 * So it requires external transaction to cover allocation failures.
 * <p/>
 * Provided two flows are considered as paired (forward and reverse),
 * so some resources can be shared among them.
 */
public FlowResources allocateFlowResources(Flow flow) throws ResourceAllocationException {
    PathId forwardPathId = generatePathId(flow.getFlowId());
    PathId reversePathId = generatePathId(flow.getFlowId());
    return allocateFlowResources(flow, forwardPathId, reversePathId);
}

Example 58 with PathId

use of org.openkilda.model.PathId in project open-kilda by telstra.

the class BaseResourceAllocationAction method allocateFlowResources.

@SneakyThrows
protected FlowResources allocateFlowResources(Flow flow, PathId forwardPathId, PathId reversePathId) throws ResourceAllocationException {
    RetryPolicy<FlowResources> resourceAllocationRetryPolicy = transactionManager.<FlowResources>getDefaultRetryPolicy().handle(ResourceAllocationException.class).handle(ConstraintViolationException.class).onRetry(e -> log.warn("Failure in resource allocation. Retrying #{}...", e.getAttemptCount(), e.getLastFailure())).onRetriesExceeded(e -> log.warn("Failure in resource allocation. No more retries", e.getFailure())).withMaxRetries(resourceAllocationRetriesLimit);
    FlowResources flowResources = transactionManager.doInTransaction(resourceAllocationRetryPolicy, () -> resourcesManager.allocateFlowResources(flow, forwardPathId, reversePathId));
    log.debug("Resources have been allocated: {}", flowResources);
    return flowResources;
}

Example 59 with PathId

use of org.openkilda.model.PathId in project open-kilda by telstra.

the class BaseResourceAllocationAction method allocatePathPair.

@SneakyThrows
protected GetPathsResult allocatePathPair(Flow flow, PathId newForwardPathId, PathId newReversePathId, boolean forceToIgnoreBandwidth, List<PathId> pathsToReuseBandwidth, FlowPathPair oldPaths, boolean allowOldPaths, String sharedBandwidthGroupId, Predicate<GetPathsResult> whetherCreatePathSegments) throws RecoverableException, UnroutableFlowException, ResourceAllocationException {
    // Lazy initialisable map with reused bandwidth...
    Supplier<Map<IslEndpoints, Long>> reuseBandwidthPerIsl = Suppliers.memoize(() -> {
        Map<IslEndpoints, Long> result = new HashMap<>();
        if (pathsToReuseBandwidth != null && !pathsToReuseBandwidth.isEmpty()) {
            pathsToReuseBandwidth.stream().map(pathId -> flow.getPath(pathId).orElse(flowPathRepository.findById(pathId).orElse(null))).filter(Objects::nonNull).flatMap(path -> path.getSegments().stream()).forEach(segment -> {
                IslEndpoints isl = new IslEndpoints(segment.getSrcSwitchId().toString(), segment.getSrcPort(), segment.getDestSwitchId().toString(), segment.getDestPort());
                result.put(isl, result.getOrDefault(isl, 0L) + segment.getBandwidth());
            });
        }
        return result;
    });
    RetryPolicy<GetPathsResult> pathAllocationRetryPolicy = new RetryPolicy<GetPathsResult>().handle(RecoverableException.class).handle(ResourceAllocationException.class).handle(UnroutableFlowException.class).handle(PersistenceException.class).onRetry(e -> log.warn("Failure in path allocation. Retrying #{}...", e.getAttemptCount(), e.getLastFailure())).onRetriesExceeded(e -> log.warn("Failure in path allocation. No more retries", e.getFailure())).withMaxRetries(pathAllocationRetriesLimit);
    if (pathAllocationRetryDelay > 0) {
        pathAllocationRetryPolicy.withDelay(Duration.ofMillis(pathAllocationRetryDelay));
    }
    try {
        return Failsafe.with(pathAllocationRetryPolicy).get(() -> {
            GetPathsResult potentialPath;
            if (forceToIgnoreBandwidth) {
                boolean originalIgnoreBandwidth = flow.isIgnoreBandwidth();
                flow.setIgnoreBandwidth(true);
                potentialPath = pathComputer.getPath(flow);
                flow.setIgnoreBandwidth(originalIgnoreBandwidth);
            } else {
                potentialPath = pathComputer.getPath(flow, pathsToReuseBandwidth);
            }
            boolean newPathFound = isNotSamePath(potentialPath, oldPaths);
            if (allowOldPaths || newPathFound) {
                if (!newPathFound) {
                    log.debug("Found the same path for flow {}. Proceed with recreating it", flow.getFlowId());
                }
                if (whetherCreatePathSegments.test(potentialPath)) {
                    boolean ignoreBandwidth = forceToIgnoreBandwidth || flow.isIgnoreBandwidth();
                    List<PathSegment> forwardSegments = flowPathBuilder.buildPathSegments(newForwardPathId, potentialPath.getForward(), flow.getBandwidth(), ignoreBandwidth, sharedBandwidthGroupId);
                    List<PathSegment> reverseSegments = flowPathBuilder.buildPathSegments(newReversePathId, potentialPath.getReverse(), flow.getBandwidth(), ignoreBandwidth, sharedBandwidthGroupId);
                    transactionManager.doInTransaction(() -> {
                        createPathSegments(forwardSegments, reuseBandwidthPerIsl);
                        createPathSegments(reverseSegments, reuseBandwidthPerIsl);
                    });
                }
                return potentialPath;
            }
            return null;
        });
    } catch (FailsafeException ex) {
        throw ex.getCause();
    }
}

Example 60 with PathId

use of org.openkilda.model.PathId in project open-kilda by telstra.

the class FlowValidationTestBase method buildOneSwitchPortFlow.

protected void buildOneSwitchPortFlow() {
    Switch switchD = Switch.builder().switchId(TEST_SWITCH_ID_D).description("").build();
    switchRepository.add(switchD);
    Flow flow = Flow.builder().flowId(TEST_FLOW_ID_B).srcSwitch(switchD).srcPort(FLOW_B_SRC_PORT).srcVlan(FLOW_B_SRC_VLAN).destSwitch(switchD).destPort(FLOW_B_SRC_PORT).destVlan(FLOW_B_DST_VLAN).bandwidth(FLOW_B_BANDWIDTH).encapsulationType(FlowEncapsulationType.TRANSIT_VLAN).status(FlowStatus.UP).build();
    FlowPath forwardFlowPath = FlowPath.builder().pathId(new PathId(TEST_FLOW_ID_B + "_forward_path")).cookie(new FlowSegmentCookie(FLOW_B_FORWARD_COOKIE)).meterId(new MeterId(FLOW_B_FORWARD_METER_ID)).srcSwitch(switchD).destSwitch(switchD).bandwidth(FLOW_B_BANDWIDTH).status(FlowPathStatus.ACTIVE).build();
    flow.setForwardPath(forwardFlowPath);
    FlowPath reverseFlowPath = FlowPath.builder().pathId(new PathId(TEST_FLOW_ID_B + "_reverse_path")).cookie(new FlowSegmentCookie(FLOW_B_REVERSE_COOKIE)).meterId(new MeterId(FLOW_B_REVERSE_METER_ID)).srcSwitch(switchD).destSwitch(switchD).bandwidth(FLOW_B_BANDWIDTH).status(FlowPathStatus.ACTIVE).build();
    flow.setReversePath(reverseFlowPath);
    flowRepository.add(flow);
}