Examples with Path org.onosproject.net.Path used on opensource projects

Example 11 with Path

use of org.onosproject.net.Path in project onos by opennetworkinglab.

the class PathListCommand method doExecute.

@Override
protected void doExecute() {
    init();
    DeviceService deviceService = get(DeviceService.class);
    DeviceId srcDid = deviceId(src);
    if (deviceService.getDevice(srcDid) == null) {
        print("Unknown device %s", src);
        return;
    }
    DeviceId dstDid = deviceId(dst);
    if (deviceService.getDevice(dstDid) == null) {
        print("Unknown device %s", dst);
        return;
    }
    Set<? extends Path> paths;
    if (disjoint) {
        paths = service.getDisjointPaths(topology, srcDid, dstDid);
    } else {
        paths = service.getPaths(topology, srcDid, dstDid);
    }
    if (outputJson()) {
        print("%s", json(this, paths));
    } else {
        for (Path path : paths) {
            print(pathString(path));
            if (path instanceof DisjointPath) {
                // print backup right after primary
                print(pathString(((DisjointPath) path).backup()));
            }
        }
    }
}

Example 12 with Path

use of org.onosproject.net.Path in project onos by opennetworkinglab.

the class PointToPointIntentCompiler method createSinglePathIntent.

private List<Intent> createSinglePathIntent(ConnectPoint ingressPoint, ConnectPoint egressPoint, PointToPointIntent intent, List<Intent> installable) {
    List<Link> links = new ArrayList<>();
    Path onlyPath = getPathOrException(intent, ingressPoint.deviceId(), egressPoint.deviceId());
    List<Intent> reusableIntents = null;
    if (installable != null) {
        reusableIntents = filterInvalidSubIntents(installable, intent);
        if (reusableIntents.size() == installable.size()) {
            // all old paths are still viable
            return installable;
        }
    }
    // return the intents that comprise it.
    if (reusableIntents != null && reusableIntents.size() > 1) {
        return reusableIntents;
    } else {
        // Allocate bandwidth if a bandwidth constraint is set
        allocateIntentBandwidth(intent, onlyPath);
        links.add(createEdgeLink(ingressPoint, true));
        links.addAll(onlyPath.links());
        links.add(createEdgeLink(egressPoint, false));
        return asList(createPathIntent(new DefaultPath(PID, links, onlyPath.weight(), onlyPath.annotations()), intent, PathIntent.ProtectionType.PRIMARY));
    }
}

Example 13 with Path

use of org.onosproject.net.Path in project onos by opennetworkinglab.

the class PointToPointIntentCompiler method pathAvailable.

/**
 * Checks suggested path availability.
 * It checks:
 * - single links availability;
 * - that first and last device of the path are coherent with ingress and egress devices;
 * - links contiguity.
 *
 * @param intent    Intent with suggested path to check
 * @return true if the suggested path is available
 */
private boolean pathAvailable(PointToPointIntent intent) {
    // Check links availability
    List<Link> suggestedPath = intent.suggestedPath();
    for (Link link : suggestedPath) {
        if (!(link instanceof EdgeLink) && !linkService.getLinks(link.src()).contains(link)) {
            return false;
        }
    }
    // Check that first and last device of the path are intent ingress and egress devices
    if (!suggestedPath.get(0).src().deviceId().equals(intent.filteredIngressPoint().connectPoint().deviceId())) {
        return false;
    }
    if (!suggestedPath.get(suggestedPath.size() - 1).dst().deviceId().equals(intent.filteredEgressPoint().connectPoint().deviceId())) {
        return false;
    }
    // Check contiguity
    List<Pair<Link, Link>> linkPairs = IntStream.range(0, suggestedPath.size() - 1).mapToObj(i -> Pair.of(suggestedPath.get(i), suggestedPath.get(i + 1))).collect(Collectors.toList());
    for (Pair<Link, Link> linkPair : linkPairs) {
        if (!linkPair.getKey().dst().deviceId().equals(linkPair.getValue().src().deviceId())) {
            return false;
        }
    }
    return true;
}

Example 14 with Path

use of org.onosproject.net.Path in project onos by opennetworkinglab.

the class PointToPointIntentCompiler method createUnprotectedLinkCollectionIntent.

private List<Intent> createUnprotectedLinkCollectionIntent(PointToPointIntent intent) {
    Path path = getPathOrException(intent, intent.filteredIngressPoint().connectPoint().deviceId(), intent.filteredEgressPoint().connectPoint().deviceId());
    // Allocate bandwidth if a bandwidth constraint is set
    allocateIntentBandwidth(intent, path);
    return asList(createLinkCollectionIntent(ImmutableSet.copyOf(path.links()), path.cost(), intent));
}

Example 15 with Path

use of org.onosproject.net.Path in project onos by opennetworkinglab.

the class ProtectedTransportIntentCompiler method createFreshProtectedPaths.

/**
 * Creates new protected paths.
 *
 * @param intent    original intention
 * @param did1      identifier of first device
 * @param did2      identifier of second device
 * @return compilation result
 * @throws IntentCompilationException when there's no satisfying path.
 */
private List<Intent> createFreshProtectedPaths(ProtectedTransportIntent intent, DeviceId did1, DeviceId did2) {
    DisjointPath disjointPath = getDisjointPath(intent, did1, did2);
    if (disjointPath == null || disjointPath.backup() == null) {
        log.error("Unable to find disjoint path between {}, {}", did1, did2);
        throw new IntentCompilationException("Unable to find disjoint paths.");
    }
    Path primary = disjointPath.primary();
    Path secondary = disjointPath.backup();
    String fingerprint = intent.key().toString();
    // pick and allocate Vlan to use as S-tag
    Pair<VlanId, VlanId> vlans = allocateEach(intent, primary, secondary, VlanId.class);
    VlanId primaryVlan = vlans.getLeft();
    VlanId secondaryVlan = vlans.getRight();
    // Build edge Intents for head/tail
    // resource for head/tail
    Collection<NetworkResource> oneResources = new ArrayList<>();
    Collection<NetworkResource> twoResources = new ArrayList<>();
    List<TransportEndpointDescription> onePaths = new ArrayList<>();
    onePaths.add(TransportEndpointDescription.builder().withOutput(vlanPort(primary.src(), primaryVlan)).build());
    onePaths.add(TransportEndpointDescription.builder().withOutput(vlanPort(secondary.src(), secondaryVlan)).build());
    List<TransportEndpointDescription> twoPaths = new ArrayList<>();
    twoPaths.add(TransportEndpointDescription.builder().withOutput(vlanPort(primary.dst(), primaryVlan)).build());
    twoPaths.add(TransportEndpointDescription.builder().withOutput(vlanPort(secondary.dst(), secondaryVlan)).build());
    ProtectionEndpointIntent oneIntent = ProtectionEndpointIntent.builder().key(intent.key()).appId(intent.appId()).priority(intent.priority()).resources(oneResources).deviceId(did1).description(buildDescription(onePaths, did2, fingerprint)).build();
    ProtectionEndpointIntent twoIntent = ProtectionEndpointIntent.builder().key(intent.key()).appId(intent.appId()).resources(twoResources).deviceId(did2).description(buildDescription(twoPaths, did1, fingerprint)).build();
    // Build transit intent for primary/secondary path
    Collection<NetworkResource> resources1 = ImmutableList.of(marker("protection1"));
    Collection<NetworkResource> resources2 = ImmutableList.of(marker("protection2"));
    ImmutableList<Intent> result = ImmutableList.<Intent>builder().addAll(createTransitIntent(intent, primary, primaryVlan, resources1)).addAll(createTransitIntent(intent, secondary, secondaryVlan, resources2)).add(oneIntent).add(twoIntent).build();
    log.trace("createFreshProtectedPaths result: {}", result);
    return result;
}