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

Example 16 with OchSignal

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

the class AdvaTerminalDeviceDiscovery method parseLogicalChannel.

/**
 * Parses a component XML doc into a PortDescription.
 *
 * @param channel subtree to parse. It must be a component ot type PORT.
 *  case we need to check transceivers or optical channels.
 *
 * @return PortDescription or null if component does not have onos-index
 */
private PortDescription parseLogicalChannel(HierarchicalConfiguration channel) {
    HierarchicalConfiguration config = channel.configurationAt("config");
    String logicalChannelIndex = config.getString("index");
    String description = config.getString("description");
    String rateClass = config.getString("rate-class");
    log.info("Parsing Component {} type {} speed {}", logicalChannelIndex, description, rateClass);
    Map<String, String> annotations = new HashMap<>();
    annotations.put(OdtnDeviceDescriptionDiscovery.OC_LOGICAL_CHANNEL, logicalChannelIndex);
    // Store all properties as port properties
    // e.g. xe1/1
    Pattern clientPattern = Pattern.compile("(\\d*)/(\\d*)/c(\\d)");
    Pattern linePattern = Pattern.compile("(\\d*)/(\\d*)/n(\\d)");
    Matcher clientMatch = clientPattern.matcher(description);
    Matcher lineMatch = linePattern.matcher(description);
    Pattern portSpeedPattern = Pattern.compile("TRIB_RATE_([0-9.]*)G");
    Matcher portSpeedMatch = portSpeedPattern.matcher(rateClass);
    Builder builder = DefaultPortDescription.builder();
    if (portSpeedMatch.find()) {
        Long speed = Long.parseLong(portSpeedMatch.group(1));
        builder.portSpeed(speed * 1000);
    }
    if (clientMatch.find()) {
        Long num = Long.parseLong(clientMatch.group(1));
        Long portNum = 100 + num;
        String connectionId = "connection:" + num.toString();
        annotations.put(OdtnDeviceDescriptionDiscovery.OC_NAME, description);
        annotations.putIfAbsent(PORT_TYPE, OdtnPortType.CLIENT.value());
        annotations.putIfAbsent(ONOS_PORT_INDEX, portNum.toString());
        annotations.putIfAbsent(CONNECTION_ID, connectionId);
        builder.withPortNumber(PortNumber.portNumber(portNum));
        builder.type(Type.PACKET);
        builder.annotations(DefaultAnnotations.builder().putAll(annotations).build());
        return builder.build();
    } else if (lineMatch.find()) {
        Long num = (Long.parseLong(lineMatch.group(1)) - 1) * 2 + Long.parseLong(lineMatch.group(2));
        Long portNum = 200 + num;
        String connectionId = "connection:" + num.toString();
        description = description.substring(0, description.length() - 6);
        annotations.putIfAbsent(PORT_TYPE, OdtnPortType.LINE.value());
        annotations.putIfAbsent(ONOS_PORT_INDEX, portNum.toString());
        annotations.putIfAbsent(CONNECTION_ID, connectionId);
        annotations.put(OdtnDeviceDescriptionDiscovery.OC_NAME, "optch " + description);
        OchSignal signalId = OchSignal.newDwdmSlot(ChannelSpacing.CHL_50GHZ, 1);
        return OchPortHelper.ochPortDescription(PortNumber.portNumber(portNum), true, // TODO Client signal to be discovered
        OduSignalType.ODU4, true, signalId, DefaultAnnotations.builder().putAll(annotations).build());
    } else {
        log.warn("Unexpected component description: {}", description);
        return null;
    }
}

Example 17 with OchSignal

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

the class OpticalIntentsWebResource method getIntents.

/**
 * Get the optical intents on the network.
 *
 * @return 200 OK
 */
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getIntents() {
    DeviceService deviceService = get(DeviceService.class);
    IntentService intentService = get(IntentService.class);
    Iterator intentItr = intentService.getIntents().iterator();
    ArrayNode arrayFlows = mapper().createArrayNode();
    while (intentItr.hasNext()) {
        Intent intent = (Intent) intentItr.next();
        if (intent instanceof OpticalConnectivityIntent) {
            OpticalConnectivityIntent opticalConnectivityIntent = (OpticalConnectivityIntent) intent;
            Device srcDevice = deviceService.getDevice(opticalConnectivityIntent.getSrc().deviceId());
            Device dstDevice = deviceService.getDevice(opticalConnectivityIntent.getDst().deviceId());
            String srcDeviceName = srcDevice.annotations().value(AnnotationKeys.NAME);
            String dstDeviceName = dstDevice.annotations().value(AnnotationKeys.NAME);
            ObjectNode objectNode = mapper().createObjectNode();
            objectNode.put("intent id", opticalConnectivityIntent.id().toString());
            objectNode.put("app id", opticalConnectivityIntent.appId().name());
            objectNode.put("state", intentService.getIntentState(opticalConnectivityIntent.key()).toString());
            objectNode.put("src", opticalConnectivityIntent.getSrc().toString());
            objectNode.put("dst", opticalConnectivityIntent.getDst().toString());
            objectNode.put("srcName", srcDeviceName);
            objectNode.put("dstName", dstDeviceName);
            // Only for INSTALLED intents
            if (intentService.getIntentState(intent.key()) == IntentState.INSTALLED) {
                // Retrieve associated FlowRuleIntent
                FlowRuleIntent installableIntent = (FlowRuleIntent) intentService.getInstallableIntents(opticalConnectivityIntent.key()).stream().filter(FlowRuleIntent.class::isInstance).findFirst().orElse(null);
                // TODO store utilized ochSignal in the intent resources
                if (installableIntent != null) {
                    OchSignal signal = installableIntent.flowRules().stream().filter(r -> r.selector().criteria().size() == NUM_CRITERIA_OPTICAL_CONNECTIVIY_RULE).map(r -> ((OchSignalCriterion) r.selector().getCriterion(Criterion.Type.OCH_SIGID)).lambda()).findFirst().orElse(null);
                    objectNode.put("ochSignal", signal.toString());
                    objectNode.put("centralFreq", signal.centralFrequency().asTHz() + " THz");
                }
                // Retrieve path and print it to REST
                if (installableIntent != null) {
                    String path = installableIntent.resources().stream().filter(Link.class::isInstance).map(Link.class::cast).map(r -> deviceService.getDevice(r.src().deviceId())).map(r -> r.annotations().value(AnnotationKeys.NAME)).collect(Collectors.joining(" -> "));
                    List<Link> pathLinks = installableIntent.resources().stream().filter(Link.class::isInstance).map(Link.class::cast).collect(Collectors.toList());
                    DefaultPath defaultPath = new DefaultPath(PROVIDER_ID, pathLinks, new ScalarWeight(1));
                    objectNode.put("path", defaultPath.toString());
                    objectNode.put("pathName", path + " -> " + dstDeviceName);
                }
            }
            arrayFlows.add(objectNode);
        }
    }
    ObjectNode root = this.mapper().createObjectNode().putPOJO("Intents", arrayFlows);
    return ok(root).build();
}

Example 18 with OchSignal

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

the class OpticalConnectivityIntentCompiler method findFirstLambda.

/**
 * Returns list of consecutive resources in given set of lambdas.
 *
 * @param lambdas list of lambdas
 * @param count   number of consecutive lambdas to return
 * @return list of consecutive lambdas
 */
private List<OchSignal> findFirstLambda(Set<OchSignal> lambdas, int count) {
    // Sort available lambdas
    List<OchSignal> lambdaList = new ArrayList<>(lambdas);
    lambdaList.sort(new DefaultOchSignalComparator());
    // Means there is only exactly one set of lambdas available
    if (lambdaList.size() == count) {
        return lambdaList;
    }
    // Look ahead by count and ensure spacing multiplier is as expected (i.e., no gaps)
    for (int i = 0; i < lambdaList.size() - count; i++) {
        if (lambdaList.get(i).spacingMultiplier() + 2 * count == lambdaList.get(i + count).spacingMultiplier()) {
            return lambdaList.subList(i, i + count);
        }
    }
    return Collections.emptyList();
}

Example 19 with OchSignal

use of org.onosproject.net.OchSignal 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 OchSignal

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

the class RoadmUtil method createOchSignalFromWavelength.

public static OchSignal createOchSignalFromWavelength(double wavelength, DeviceService deviceService, DeviceId deviceId, PortNumber portNumber) {
    if (wavelength == 0L) {
        return null;
    }
    Port port = deviceService.getPort(deviceId, portNumber);
    Optional<OchPort> ochPortOpt = OchPortHelper.asOchPort(port);
    if (ochPortOpt.isPresent()) {
        OchPort ochPort = ochPortOpt.get();
        GridType gridType = ochPort.lambda().gridType();
        ChannelSpacing channelSpacing = ochPort.lambda().channelSpacing();
        int slotGranularity = ochPort.lambda().slotGranularity();
        int multiplier = getMultiplier(wavelength, gridType, channelSpacing);
        return new OchSignal(gridType, channelSpacing, multiplier, slotGranularity);
    } else {
        return null;
    }
}