| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.odtn.internal; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import org.onosproject.config.DynamicConfigService; |
| |
| import org.onosproject.config.Filter; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.odtn.utils.tapi.DcsBasedTapiObjectRefFactory; |
| import org.onosproject.odtn.utils.tapi.TapiNepRef; |
| import org.onosproject.odtn.utils.tapi.TapiNodeRef; |
| import org.onosproject.yang.gen.v1.tapicommon.rev20180307.tapicommon.DefaultContext; |
| import org.onosproject.yang.gen.v1.tapicommon.rev20180307.tapicommon.globalclass.Name; |
| import org.onosproject.yang.gen.v1.tapiconnectivity.rev20180307.tapiconnectivity.context.topology.node.ownednodeedgepoint.DefaultAugmentedTapiTopologyOwnedNodeEdgePoint; |
| import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.context.DefaultAugmentedTapiCommonContext; |
| import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.topologycontext.Topology; |
| import org.onosproject.yang.model.DataNode; |
| import org.onosproject.yang.model.DefaultModelObjectData; |
| import org.onosproject.yang.model.DefaultResourceData; |
| import org.onosproject.yang.model.ModelConverter; |
| import org.onosproject.yang.model.ModelObjectData; |
| import org.onosproject.yang.model.ModelObjectId; |
| import org.onosproject.yang.model.ResourceData; |
| import org.onosproject.yang.model.ResourceId; |
| import org.slf4j.Logger; |
| |
| import static org.onlab.osgi.DefaultServiceDirectory.getService; |
| import static org.onosproject.odtn.utils.tapi.TapiObjectHandler.DEVICE_ID; |
| import static org.onosproject.odtn.utils.tapi.TapiObjectHandler.ODTN_PORT_TYPE; |
| import static org.onosproject.odtn.utils.tapi.TapiObjectHandler.ONOS_CP; |
| import static org.onosproject.odtn.behaviour.OdtnDeviceDescriptionDiscovery.CONNECTION_ID; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * DCS-dependent Tapi Data producer implementation. |
| */ |
| public class DcsBasedTapiDataProducer implements TapiDataProducer { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| protected DynamicConfigService dcs; |
| protected ModelConverter modelConverter; |
| |
| @Override |
| public void init() { |
| dcs = getService(DynamicConfigService.class); |
| modelConverter = getService(ModelConverter.class); |
| } |
| |
| @Override |
| public void updateCacheRequest(DefaultTapiResolver resolver) { |
| updateCache(resolver, readContextModelObject()); |
| } |
| |
| /** |
| * Update resolver's cache with Tapi context modelObject. |
| * |
| * @param resolver TapiResolver |
| * @param context Context ModelObject which has all data nodes of Tapi DataTree in Dcs store |
| */ |
| @VisibleForTesting |
| protected void updateCache(DefaultTapiResolver resolver, DefaultContext context) { |
| updateNodes(resolver, getNodes(context)); |
| updateNeps(resolver, getNeps(context)); |
| } |
| |
| /** |
| * Get Tapi context modelObject from Dcs. |
| * |
| * @return Tapi context modelObject in Dcs store |
| */ |
| // FIXME update this method using TapiContextHandler |
| private DefaultContext readContextModelObject() { |
| // read DataNode from DCS |
| ModelObjectId mid = ModelObjectId.builder().addChild(DefaultContext.class).build(); |
| DataNode node = dcs.readNode(getResourceId(mid), Filter.builder().build()); |
| |
| // convert to ModelObject |
| ResourceData data = DefaultResourceData.builder().addDataNode(node) |
| .resourceId(ResourceId.builder().build()).build(); |
| ModelObjectData modelData = modelConverter.createModel(data); |
| DefaultContext context = (DefaultContext) modelData.modelObjects().get(0); |
| |
| return context; |
| } |
| |
| /** |
| * Extract Tapi Nodes from context modelObject and convert them to NodeRefs. |
| * |
| * @param context |
| * @return List of NodeRef |
| */ |
| private List<TapiNodeRef> getNodes(DefaultContext context) { |
| DefaultAugmentedTapiCommonContext topologyContext |
| = context.augmentation(DefaultAugmentedTapiCommonContext.class); |
| Topology topology = topologyContext.topology().get(0); |
| |
| if (topology.node() == null) { |
| return Collections.emptyList(); |
| } |
| return topology.node().stream() |
| .map(node -> { |
| TapiNodeRef nodeRef = DcsBasedTapiObjectRefFactory.create(topology, node); |
| if (node.name() != null) { |
| String deviceId = node.name().stream() |
| .filter(kv -> kv.valueName().equals(DEVICE_ID)) |
| .findFirst().map(Name::value).get(); |
| nodeRef.setDeviceId(DeviceId.deviceId(deviceId)); |
| } |
| return nodeRef; |
| }) |
| .collect(Collectors.toList()); |
| } |
| |
| /** |
| * Extract Tapi Neps from context modelObject and convert them to NepRefs. |
| * |
| * @param context |
| * @return List of TapiNepRef |
| */ |
| private List<TapiNepRef> getNeps(DefaultContext context) { |
| DefaultAugmentedTapiCommonContext topologyContext |
| = context.augmentation(DefaultAugmentedTapiCommonContext.class); |
| Topology topology = topologyContext.topology().get(0); |
| |
| if (topology.node() == null) { |
| return Collections.emptyList(); |
| } |
| List<TapiNepRef> ret = topology.node().stream() |
| .flatMap(node -> { |
| if (node.ownedNodeEdgePoint() == null) { |
| return null; |
| } |
| return node.ownedNodeEdgePoint().stream() |
| .map(nep -> { |
| TapiNepRef nepRef = DcsBasedTapiObjectRefFactory.create(topology, node, nep); |
| if (nep.name() != null) { |
| Map<String, String> kvs = new HashMap<>(); |
| nep.name().forEach(kv -> kvs.put(kv.valueName(), kv.value())); |
| |
| String onosConnectPoint = kvs.getOrDefault(ONOS_CP, null); |
| String portType = kvs.getOrDefault(ODTN_PORT_TYPE, null); |
| String connectionId = kvs.getOrDefault(CONNECTION_ID, null); |
| nepRef.setConnectPoint(ConnectPoint.fromString(onosConnectPoint)) |
| .setPortType(portType) |
| .setConnectionId(connectionId); |
| } |
| if (nep.mappedServiceInterfacePoint() != null) { |
| nep.mappedServiceInterfacePoint().stream() |
| .forEach(sip -> { |
| nepRef.setSipId(sip.serviceInterfacePointId().toString()); |
| }); |
| } |
| |
| DefaultAugmentedTapiTopologyOwnedNodeEdgePoint augmentNep = |
| nep.augmentation(DefaultAugmentedTapiTopologyOwnedNodeEdgePoint.class); |
| try { |
| if (augmentNep.connectionEndPoint() != null) { |
| List<String> cepIds = augmentNep.connectionEndPoint().stream() |
| .map(cep -> cep.uuid().toString()).collect(Collectors.toList()); |
| nepRef.setCepIds(cepIds); |
| } |
| } catch (NullPointerException e) { |
| log.warn("Augmented ownedNodeEdgePoint is not found."); |
| } |
| return nepRef; |
| }); |
| } |
| ).collect(Collectors.toList()); |
| return ret; |
| } |
| |
| /** |
| * Update resolver's NodeRef list. |
| * |
| * @param resolver TapiResolver |
| * @param nodes List of NodeRef for update |
| */ |
| private void updateNodes(DefaultTapiResolver resolver, List<TapiNodeRef> nodes) { |
| resolver.addNodeRefList(nodes); |
| } |
| |
| /** |
| * Update resolver's NepRef list. |
| * |
| * @param resolver TapiResolver |
| * @param neps List of NepRef for update |
| */ |
| private void updateNeps(DefaultTapiResolver resolver, List<TapiNepRef> neps) { |
| resolver.addNepRefList(neps); |
| } |
| |
| private ResourceId getResourceId(ModelObjectId modelId) { |
| ModelObjectData data = DefaultModelObjectData.builder() |
| .identifier(modelId) |
| .build(); |
| ResourceData rnode = modelConverter.createDataNode(data); |
| return rnode.resourceId(); |
| } |
| |
| } |