| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.intent.impl.compiler; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.CltSignalType; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.OchPort; |
| import org.onosproject.net.OduCltPort; |
| import org.onosproject.net.OduSignalId; |
| import org.onosproject.net.OduSignalType; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.TributarySlot; |
| import org.onosproject.net.behaviour.TributarySlotQuery; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.Driver; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.onosproject.net.intent.FlowRuleIntent; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentCompiler; |
| import org.onosproject.net.intent.IntentExtensionService; |
| import org.onosproject.net.intent.IntentId; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.net.intent.OpticalCircuitIntent; |
| import org.onosproject.net.intent.OpticalConnectivityIntent; |
| import org.onosproject.net.intent.impl.IntentCompilationException; |
| import org.onosproject.net.newresource.ResourceAllocation; |
| import org.onosproject.net.newresource.Resource; |
| import org.onosproject.net.newresource.ResourceService; |
| import org.onosproject.net.newresource.Resources; |
| import org.onosproject.net.resource.device.IntentSetMultimap; |
| import org.onosproject.net.resource.link.LinkResourceAllocations; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Sets; |
| |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * An intent compiler for {@link org.onosproject.net.intent.OpticalCircuitIntent}. |
| */ |
| @Component(immediate = true) |
| public class OpticalCircuitIntentCompiler implements IntentCompiler<OpticalCircuitIntent> { |
| |
| private static final Logger log = LoggerFactory.getLogger(OpticalCircuitIntentCompiler.class); |
| |
| private static final int DEFAULT_MAX_CAPACITY = 10; |
| |
| @Property(name = "maxCapacity", intValue = DEFAULT_MAX_CAPACITY, |
| label = "Maximum utilization of an optical connection.") |
| |
| private int maxCapacity = DEFAULT_MAX_CAPACITY; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentExtensionService intentManager; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ResourceService resourceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentSetMultimap intentSetMultimap; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentService intentService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| private ApplicationId appId; |
| |
| @Modified |
| public void modified(ComponentContext context) { |
| Dictionary properties = context.getProperties(); |
| |
| //TODO for reduction check if the new capacity is smaller than the size of the current mapping |
| String propertyString = Tools.get(properties, "maxCapacity"); |
| |
| //Ignore if propertyString is empty |
| if (!propertyString.isEmpty()) { |
| try { |
| int temp = Integer.parseInt(propertyString); |
| //Ensure value is non-negative but allow zero as a way to shutdown the link |
| if (temp >= 0) { |
| maxCapacity = temp; |
| } |
| } catch (NumberFormatException e) { |
| //Malformed arguments lead to no change of value (user should be notified of error) |
| log.error("The value '{}' for maxCapacity was not parsable as an integer.", propertyString, e); |
| } |
| } else { |
| //Notify of empty value but do not return (other properties will also go in this function) |
| log.error("The value for maxCapacity was set to an empty value."); |
| } |
| |
| } |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| appId = coreService.registerApplication("org.onosproject.net.intent"); |
| intentManager.registerCompiler(OpticalCircuitIntent.class, this); |
| cfgService.registerProperties(getClass()); |
| modified(context); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| intentManager.unregisterCompiler(OpticalCircuitIntent.class); |
| cfgService.unregisterProperties(getClass(), false); |
| } |
| |
| @Override |
| public List<Intent> compile(OpticalCircuitIntent intent, List<Intent> installable, |
| Set<LinkResourceAllocations> resources) { |
| // 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 circuit 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.id()); |
| |
| // Reserve OduClt ports |
| Resource srcPortResource = Resources.discrete(src.deviceId(), src.port()).resource(); |
| Resource dstPortResource = Resources.discrete(dst.deviceId(), dst.port()).resource(); |
| List<ResourceAllocation> allocation = resourceService.allocate(intent.id(), srcPortResource, dstPortResource); |
| if (allocation.isEmpty()) { |
| throw new IntentCompilationException("Unable to reserve ports for intent " + intent); |
| } |
| |
| // Check if both devices support multiplexing (usage of TributarySlots) |
| boolean multiplexingSupported = isMultiplexingSupported(intent); |
| |
| LinkedList<Intent> intents = new LinkedList<>(); |
| // slots are used only for devices supporting multiplexing |
| Set<TributarySlot> slots = Collections.emptySet(); |
| |
| OpticalConnectivityIntent connIntent = findOpticalConnectivityIntent(intent, multiplexingSupported); |
| if ((connIntent != null) && multiplexingSupported) { |
| // Allocate TributarySlots on existing OCH ports |
| slots = assignTributarySlots(intent, Pair.of(connIntent.getSrc(), connIntent.getDst())); |
| } |
| |
| // Create optical connectivity intent if needed - no optical intent or not enough slots available |
| if (connIntent == null || (multiplexingSupported && slots.isEmpty())) { |
| // Find OCh ports with available resources |
| Pair<OchPort, OchPort> ochPorts = findPorts(intent); |
| |
| if (ochPorts == null) { |
| // Release port allocations if unsuccessful |
| resourceService.release(intent.id()); |
| throw new IntentCompilationException("Unable to find suitable OCH ports for intent " + intent); |
| } |
| |
| ConnectPoint srcCP = new ConnectPoint(src.elementId(), ochPorts.getLeft().number()); |
| ConnectPoint dstCP = new ConnectPoint(dst.elementId(), ochPorts.getRight().number()); |
| |
| if (multiplexingSupported) { |
| // Allocate TributarySlots on OCH ports |
| slots = assignTributarySlots(intent, Pair.of(srcCP, dstCP)); |
| if (slots.isEmpty()) { |
| // Release port allocations if unsuccessful |
| resourceService.release(intent.id()); |
| throw new IntentCompilationException("Unable to find Tributary Slots for intent " + intent); |
| } |
| } |
| |
| // Create optical connectivity intent |
| OduSignalType signalType = ochPorts.getLeft().signalType(); |
| connIntent = OpticalConnectivityIntent.builder() |
| .appId(appId) |
| .src(srcCP) |
| .dst(dstCP) |
| .signalType(signalType) |
| .bidirectional(intent.isBidirectional()) |
| .build(); |
| intentService.submit(connIntent); |
| } |
| |
| // Create optical circuit intent |
| List<FlowRule> rules = new LinkedList<>(); |
| // at the source: ODUCLT port mapping to OCH port |
| rules.add(connectPorts(src, connIntent.getSrc(), intent.priority(), slots)); |
| // at the destination: OCH port mapping to ODUCLT port |
| rules.add(connectPorts(connIntent.getDst(), dst, intent.priority(), slots)); |
| |
| // Create flow rules for reverse path |
| if (intent.isBidirectional()) { |
| // at the destination: OCH port mapping to ODUCLT port |
| rules.add(connectPorts(connIntent.getSrc(), src, intent.priority(), slots)); |
| // at the source: ODUCLT port mapping to OCH port |
| rules.add(connectPorts(dst, connIntent.getDst(), intent.priority(), slots)); |
| } |
| |
| FlowRuleIntent circuitIntent = new FlowRuleIntent(appId, rules, intent.resources()); |
| |
| // Save circuit to connectivity intent mapping |
| intentSetMultimap.allocateMapping(connIntent.id(), intent.id()); |
| intents.add(circuitIntent); |
| |
| return intents; |
| } |
| |
| /** |
| * Checks if current allocations on given resource can satisfy request. |
| * If the resource is null, return true. |
| * |
| * @param resource the resource on which to map the intent |
| * @return true if the resource can accept the request, false otherwise |
| */ |
| private boolean isAvailable(IntentId resource) { |
| if (resource == null) { |
| return true; |
| } |
| |
| Set<IntentId> mapping = intentSetMultimap.getMapping(resource); |
| |
| if (mapping == null) { |
| return true; |
| } |
| |
| return mapping.size() < maxCapacity; |
| } |
| |
| private boolean isAllowed(OpticalCircuitIntent circuitIntent, OpticalConnectivityIntent connIntent) { |
| ConnectPoint srcStaticPort = staticPort(circuitIntent.getSrc()); |
| if (srcStaticPort != null) { |
| if (!srcStaticPort.equals(connIntent.getSrc())) { |
| return false; |
| } |
| } |
| |
| ConnectPoint dstStaticPort = staticPort(circuitIntent.getDst()); |
| if (dstStaticPort != null) { |
| if (!dstStaticPort.equals(connIntent.getDst())) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Returns existing and available optical connectivity intent that matches the given circuit intent. |
| * |
| * @param circuitIntent optical circuit intent |
| * @param multiplexingSupported indicates whether ODU multiplexing is supported |
| * @return existing optical connectivity intent, null otherwise. |
| */ |
| private OpticalConnectivityIntent findOpticalConnectivityIntent(OpticalCircuitIntent circuitIntent, |
| boolean multiplexingSupported) { |
| |
| OduSignalType oduSignalType = mappingCltSignalTypeToOduSignalType(circuitIntent.getSignalType()); |
| |
| for (Intent intent : intentService.getIntents()) { |
| if (!(intent instanceof OpticalConnectivityIntent)) { |
| continue; |
| } |
| |
| OpticalConnectivityIntent connIntent = (OpticalConnectivityIntent) intent; |
| |
| ConnectPoint src = circuitIntent.getSrc(); |
| ConnectPoint dst = circuitIntent.getDst(); |
| // Ignore if the intents don't have identical src and dst devices |
| if (!src.deviceId().equals(connIntent.getSrc().deviceId()) || |
| !dst.deviceId().equals(connIntent.getDst().deviceId())) { |
| continue; |
| } |
| |
| if (!isAllowed(circuitIntent, connIntent)) { |
| continue; |
| } |
| |
| if (!isAvailable(connIntent.id())) { |
| continue; |
| } |
| |
| if (multiplexingSupported) { |
| if (!isAvailableTributarySlots(connIntent, oduSignalType.tributarySlots())) { |
| continue; |
| } |
| } |
| |
| return connIntent; |
| } |
| |
| return null; |
| } |
| |
| private boolean isAvailableTributarySlots(OpticalConnectivityIntent connIntent, int requestedTsNum) { |
| Set<TributarySlot> common = findCommonTributarySlotsOnCps(connIntent.getSrc(), connIntent.getDst()); |
| if (common.isEmpty()) { |
| log.debug("No available TributarySlots"); |
| return false; |
| } |
| if (common.size() < requestedTsNum) { |
| log.debug("Not enough available TributarySlots={} < requestedTsNum={}", common.size(), requestedTsNum); |
| return false; |
| } |
| return true; |
| } |
| |
| private Set<TributarySlot> assignTributarySlots(OpticalCircuitIntent intent, |
| Pair<ConnectPoint, ConnectPoint> ports) { |
| |
| OduSignalType oduSignalType = mappingCltSignalTypeToOduSignalType(intent.getSignalType()); |
| int requestedTsNum = oduSignalType.tributarySlots(); |
| Set<TributarySlot> commonTributarySlots = findCommonTributarySlotsOnCps(ports.getLeft(), ports.getRight()); |
| if (commonTributarySlots.isEmpty()) { |
| return Collections.emptySet(); |
| } |
| if (commonTributarySlots.size() < requestedTsNum) { |
| return Collections.emptySet(); |
| } |
| |
| Set<TributarySlot> tributarySlots = commonTributarySlots.stream() |
| .limit(requestedTsNum) |
| .collect(Collectors.toSet()); |
| |
| final List<ConnectPoint> portsList = ImmutableList.of(ports.getLeft(), ports.getRight()); |
| List<Resource> tributarySlotResources = portsList.stream() |
| .flatMap(cp -> tributarySlots |
| .stream() |
| .map(ts-> Resources.discrete(cp.deviceId(), cp.port()).resource().child(ts))) |
| .collect(Collectors.toList()); |
| |
| List<ResourceAllocation> allocations = resourceService.allocate(intent.id(), tributarySlotResources); |
| if (allocations.isEmpty()) { |
| log.debug("Resource allocation for {} failed (resource request: {})", |
| intent, tributarySlotResources); |
| return Collections.emptySet(); |
| } |
| return tributarySlots; |
| } |
| |
| private ConnectPoint staticPort(ConnectPoint connectPoint) { |
| Port port = deviceService.getPort(connectPoint.deviceId(), connectPoint.port()); |
| |
| String staticPort = port.annotations().value(AnnotationKeys.STATIC_PORT); |
| |
| // FIXME: need a better way to match the port |
| if (staticPort != null) { |
| for (Port p : deviceService.getPorts(connectPoint.deviceId())) { |
| if (staticPort.equals(p.number().name())) { |
| return new ConnectPoint(p.element().id(), p.number()); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| private OchPort findAvailableOchPort(ConnectPoint oduPort, OduSignalType ochPortSignalType) { |
| // First see if the port mappings are constrained |
| ConnectPoint ochCP = staticPort(oduPort); |
| |
| if (ochCP != null) { |
| OchPort ochPort = (OchPort) deviceService.getPort(ochCP.deviceId(), ochCP.port()); |
| Optional<IntentId> intentId = |
| resourceService.getResourceAllocations(Resources.discrete(ochCP.deviceId(), ochCP.port()).id()) |
| .stream() |
| .map(ResourceAllocation::consumer) |
| .filter(x -> x instanceof IntentId) |
| .map(x -> (IntentId) x) |
| .findAny(); |
| |
| if (isAvailable(intentId.orElse(null))) { |
| return ochPort; |
| } |
| return null; |
| } |
| |
| // No port constraints, so find any port that works |
| List<Port> ports = deviceService.getPorts(oduPort.deviceId()); |
| |
| for (Port port : ports) { |
| if (!(port instanceof OchPort)) { |
| continue; |
| } |
| // This should be the first allocation on the OCH port |
| if (!resourceService.isAvailable(Resources.discrete(oduPort.deviceId(), port.number()).resource())) { |
| continue; |
| } |
| // OchPort is required to have the requested oduSignalType |
| if (((OchPort) port).signalType() != ochPortSignalType) { |
| continue; |
| } |
| |
| Optional<IntentId> intentId = |
| resourceService.getResourceAllocations(Resources.discrete(oduPort.deviceId(), port.number()).id()) |
| .stream() |
| .map(ResourceAllocation::consumer) |
| .filter(x -> x instanceof IntentId) |
| .map(x -> (IntentId) x) |
| .findAny(); |
| |
| if (isAvailable(intentId.orElse(null))) { |
| return (OchPort) port; |
| } |
| } |
| |
| return null; |
| } |
| |
| private Pair<OchPort, OchPort> findPorts(OpticalCircuitIntent intent) { |
| Pair<OchPort, OchPort> ochPorts = null; |
| // According to the OpticalCircuitIntent's signalType find OCH ports with available TributarySlots resources |
| switch (intent.getSignalType()) { |
| case CLT_1GBE: |
| case CLT_10GBE: |
| // First search for OCH ports with OduSignalType of ODU2. If not found - search for those with ODU4 |
| ochPorts = findPorts(intent, OduSignalType.ODU2); |
| if (ochPorts == null) { |
| ochPorts = findPorts(intent, OduSignalType.ODU4); |
| } |
| break; |
| case CLT_100GBE: |
| ochPorts = findPorts(intent, OduSignalType.ODU4); |
| break; |
| case CLT_40GBE: |
| default: |
| break; |
| } |
| return ochPorts; |
| } |
| |
| private Pair<OchPort, OchPort> findPorts(OpticalCircuitIntent intent, OduSignalType ochPortSignalType) { |
| OchPort srcPort = findAvailableOchPort(intent.getSrc(), ochPortSignalType); |
| if (srcPort == null) { |
| return null; |
| } |
| |
| OchPort dstPort = findAvailableOchPort(intent.getDst(), ochPortSignalType); |
| if (dstPort == null) { |
| return null; |
| } |
| |
| return Pair.of(srcPort, dstPort); |
| } |
| |
| /** |
| * Builds flow rule for mapping between two ports. |
| * |
| * @param src source port |
| * @param dst destination port |
| * @param priority |
| * @param slots Set of TributarySlots |
| * @return flow rules |
| */ |
| private FlowRule connectPorts(ConnectPoint src, ConnectPoint dst, int priority, Set<TributarySlot> slots) { |
| checkArgument(src.deviceId().equals(dst.deviceId())); |
| |
| TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| |
| selectorBuilder.matchInPort(src.port()); |
| if (!slots.isEmpty()) { |
| Port srcPort = deviceService.getPort(src.deviceId(), src.port()); |
| Port dstPort = deviceService.getPort(dst.deviceId(), dst.port()); |
| OduSignalType oduCltPortOduSignalType; |
| OduSignalType ochPortOduSignalType; |
| |
| if (srcPort instanceof OduCltPort) { |
| oduCltPortOduSignalType = mappingCltSignalTypeToOduSignalType(((OduCltPort) srcPort).signalType()); |
| ochPortOduSignalType = ((OchPort) dstPort).signalType(); |
| |
| selectorBuilder.add(Criteria.matchOduSignalType(oduCltPortOduSignalType)); |
| // use Instruction of OduSignalId only in case of ODU Multiplexing |
| if (oduCltPortOduSignalType != ochPortOduSignalType) { |
| OduSignalId oduSignalId = buildOduSignalId(ochPortOduSignalType, slots); |
| treatmentBuilder.add(Instructions.modL1OduSignalId(oduSignalId)); |
| } |
| } else { // srcPort is OchPort |
| oduCltPortOduSignalType = mappingCltSignalTypeToOduSignalType(((OduCltPort) dstPort).signalType()); |
| ochPortOduSignalType = ((OchPort) srcPort).signalType(); |
| |
| selectorBuilder.add(Criteria.matchOduSignalType(oduCltPortOduSignalType)); |
| // use Criteria of OduSignalId only in case of ODU Multiplexing |
| if (oduCltPortOduSignalType != ochPortOduSignalType) { |
| OduSignalId oduSignalId = buildOduSignalId(ochPortOduSignalType, slots); |
| selectorBuilder.add(Criteria.matchOduSignalId(oduSignalId)); |
| } |
| } |
| } |
| treatmentBuilder.setOutput(dst.port()); |
| |
| FlowRule flowRule = DefaultFlowRule.builder() |
| .forDevice(src.deviceId()) |
| .withSelector(selectorBuilder.build()) |
| .withTreatment(treatmentBuilder.build()) |
| .withPriority(priority) |
| .fromApp(appId) |
| .makePermanent() |
| .build(); |
| |
| return flowRule; |
| } |
| |
| private OduSignalId buildOduSignalId(OduSignalType ochPortSignalType, Set<TributarySlot> slots) { |
| int tributaryPortNumber = findFirstTributarySlotIndex(slots); |
| int tributarySlotLen = ochPortSignalType.tributarySlots(); |
| byte[] tributarySlotBitmap = new byte[OduSignalId.TRIBUTARY_SLOT_BITMAP_SIZE]; |
| |
| slots.forEach(ts -> tributarySlotBitmap[(byte) (ts.index() - 1) / 8] |= 0x1 << ((ts.index() - 1) % 8)); |
| return OduSignalId.oduSignalId(tributaryPortNumber, tributarySlotLen, tributarySlotBitmap); |
| } |
| |
| private int findFirstTributarySlotIndex(Set<TributarySlot> tributarySlots) { |
| return (int) tributarySlots.stream().findFirst().get().index(); |
| } |
| |
| private boolean isTributarySlotBehaviourSupported(DeviceId deviceId) { |
| Driver driver = driverService.getDriver(deviceId); |
| return (driver != null && driver.hasBehaviour(TributarySlotQuery.class)); |
| } |
| |
| private boolean isMultiplexingSupported(OpticalCircuitIntent intent) { |
| ConnectPoint src = intent.getSrc(); |
| ConnectPoint dst = intent.getDst(); |
| |
| if (!isTributarySlotBehaviourSupported(src.deviceId()) || |
| !isTributarySlotBehaviourSupported(dst.deviceId())) { |
| return false; |
| } |
| |
| ConnectPoint srcStaticPort = staticPort(src); |
| if (srcStaticPort != null) { |
| return false; |
| } |
| ConnectPoint dstStaticPort = staticPort(dst); |
| if (dstStaticPort != null) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Maps from Intent's OduClt SignalType to OduSignalType. |
| * |
| * @param cltSignalType OduClt port signal type |
| * @return OduSignalType the result of mapping CltSignalType to OduSignalType |
| */ |
| OduSignalType mappingCltSignalTypeToOduSignalType(CltSignalType cltSignalType) { |
| OduSignalType oduSignalType = OduSignalType.ODU0; |
| switch (cltSignalType) { |
| case CLT_1GBE: |
| oduSignalType = OduSignalType.ODU0; |
| break; |
| case CLT_10GBE: |
| oduSignalType = OduSignalType.ODU2; |
| break; |
| case CLT_40GBE: |
| oduSignalType = OduSignalType.ODU3; |
| break; |
| case CLT_100GBE: |
| oduSignalType = OduSignalType.ODU4; |
| break; |
| default: |
| log.error("Unsupported CltSignalType {}", cltSignalType); |
| break; |
| } |
| return oduSignalType; |
| } |
| |
| /** |
| * Finds the common TributarySlots available on the two connect points. |
| * |
| * @param srcCp source connect point |
| * @param dstCp dest connect point |
| * @return set of common TributarySlots on both connect points |
| */ |
| Set<TributarySlot> findCommonTributarySlotsOnCps(ConnectPoint srcCp, ConnectPoint dstCp) { |
| Set<TributarySlot> forward = findTributarySlotsOnCp(srcCp); |
| Set<TributarySlot> backward = findTributarySlotsOnCp(dstCp); |
| return Sets.intersection(forward, backward); |
| } |
| |
| /** |
| * Finds the TributarySlots available on the connect point. |
| * |
| * @param cp connect point |
| * @return set of TributarySlots available on the connect point |
| */ |
| Set<TributarySlot> findTributarySlotsOnCp(ConnectPoint cp) { |
| return resourceService.getAvailableResources(Resources.discrete(cp.deviceId(), cp.port()).id()) |
| .stream() |
| .filter(x -> x.last() instanceof TributarySlot) |
| .map(x -> (TributarySlot) x.last()) |
| .collect(Collectors.toSet()); |
| } |
| } |