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

Example 16 with Path

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

the class PathManagerTest method validatePaths.

// Makes sure the set of paths meets basic expectations.
private void validatePaths(Set<Path> paths, int count, int length, ElementId src, ElementId dst) {
    assertEquals("incorrect path count", count, paths.size());
    for (Path path : paths) {
        assertEquals("incorrect length", length, path.links().size());
        assertEquals("incorrect source", src, path.src().elementId());
        assertEquals("incorrect destination", dst, path.dst().elementId());
    }
}

Example 17 with Path

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

the class PathManagerTest method edgeToInfra.

@Test
public void edgeToInfra() {
    HostId src = hid("12:34:56:78:90:ab/1");
    DeviceId dst = did("dst");
    fakeTopoMgr.paths.add(createPath("edge", "middle", "dst"));
    fakeHostMgr.hosts.put(src, host("12:34:56:78:90:ab/1", "edge"));
    Set<Path> paths = service.getPaths(src, dst);
    validatePaths(paths, 1, 3, src, dst);
}

Example 18 with Path

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

the class OpticalOduIntentCompiler method compile.

@Override
public List<Intent> compile(OpticalOduIntent intent, List<Intent> installable) {
    // Check if ports are OduClt ports
    ConnectPoint src = intent.getSrc();
    ConnectPoint dst = intent.getDst();
    Port srcPort = deviceService.getPort(src.deviceId(), src.port());
    Port dstPort = deviceService.getPort(dst.deviceId(), dst.port());
    checkArgument(srcPort instanceof OduCltPort);
    checkArgument(dstPort instanceof OduCltPort);
    log.debug("Compiling optical ODU intent between {} and {}", src, dst);
    // Release of intent resources here is only a temporary solution for handling the
    // case of recompiling due to intent restoration (when intent state is FAILED).
    // TODO: try to release intent resources in IntentManager.
    resourceService.release(intent.key());
    // Check OduClt ports availability
    Resource srcPortResource = Resources.discrete(src.deviceId(), src.port()).resource();
    Resource dstPortResource = Resources.discrete(dst.deviceId(), dst.port()).resource();
    // If ports are not available, compilation fails
    if (!Stream.of(srcPortResource, dstPortResource).allMatch(resourceService::isAvailable)) {
        throw new OpticalIntentCompilationException("Ports for the intent are not available. Intent: " + intent);
    }
    List<Resource> intentResources = new ArrayList<>();
    intentResources.add(srcPortResource);
    intentResources.add(dstPortResource);
    // Calculate available light paths
    Set<Path> paths = getOpticalPaths(intent);
    if (paths.isEmpty()) {
        throw new OpticalIntentCompilationException("Unable to find suitable lightpath for intent " + intent);
    }
    // Use first path that can be successfully reserved
    for (Path path : paths) {
        // Find available Tributary Slots on both directions of path
        Map<LinkKey, Set<TributarySlot>> slotsMap = findAvailableTributarySlots(intent, path);
        if (slotsMap.isEmpty()) {
            continue;
        }
        List<Resource> tributarySlotResources = convertToResources(slotsMap);
        if (!tributarySlotResources.stream().allMatch(resourceService::isAvailable)) {
            continue;
        }
        intentResources.addAll(tributarySlotResources);
        allocateResources(intent, intentResources);
        List<FlowRule> rules = new LinkedList<>();
        // Create rules for forward and reverse path
        rules = createRules(intent, intent.getSrc(), intent.getDst(), path, slotsMap, false);
        if (intent.isBidirectional()) {
            rules.addAll(createRules(intent, intent.getDst(), intent.getSrc(), path, slotsMap, true));
        }
        return Collections.singletonList(new FlowRuleIntent(appId, intent.key(), rules, ImmutableSet.copyOf(path.links()), PathIntent.ProtectionType.PRIMARY, intent.resourceGroup()));
    }
    throw new OpticalIntentCompilationException("Unable to find suitable lightpath for intent " + intent);
}

Example 19 with Path

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

the class OpticalConnectivityIntentCompiler method findFirstAvailableLambda.

/**
 * Find the first available lambda on the given path by checking all the port resources.
 *
 * @param path the path
 * @return list of consecutive and available OChSignals
 */
private List<OchSignal> findFirstAvailableLambda(OpticalConnectivityIntent intent, Path path) {
    if (intent.ochSignal().isPresent()) {
        // create lambdas w.r.t. slotGanularity/slotWidth
        OchSignal ochSignal = intent.ochSignal().get();
        if (ochSignal.gridType() == GridType.FLEX) {
            // multiplier sits in the middle of slots
            int startMultiplier = ochSignal.spacingMultiplier() - (ochSignal.slotGranularity() / 2);
            return IntStream.range(0, ochSignal.slotGranularity()).mapToObj(x -> OchSignal.newFlexGridSlot(startMultiplier + (2 * x))).collect(Collectors.toList());
        } else if (ochSignal.gridType() == GridType.DWDM) {
            int startMultiplier = (int) (1 - ochSignal.slotGranularity() + ochSignal.spacingMultiplier() * ochSignal.channelSpacing().frequency().asHz() / ChannelSpacing.CHL_6P25GHZ.frequency().asHz());
            return IntStream.range(0, ochSignal.slotGranularity()).mapToObj(x -> OchSignal.newFlexGridSlot(startMultiplier + (2 * x))).collect(Collectors.toList());
        }
        // TODO: add support for other gridTypes
        log.error("Grid type: {} not supported for user defined signal intents", ochSignal.gridType());
        return Collections.emptyList();
    }
    Set<OchSignal> lambdas = findCommonLambdas(path);
    if (lambdas.isEmpty()) {
        return Collections.emptyList();
    }
    return findFirstLambda(lambdas, slotCount());
}

Example 20 with Path

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

the class AbstractPathServiceTest method checkPaths.

private void checkPaths(Collection<Path> paths) {
    assertThat(paths, notNullValue());
    assertThat(paths, hasSize(1));
    Path path = paths.iterator().next();
    checkPathValues(path);
}