| /* |
| * Copyright 2015-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.store.trivial; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| 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.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.joda.time.DateTime; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.cluster.ClusterEvent; |
| import org.onosproject.cluster.ClusterStore; |
| import org.onosproject.cluster.ClusterStoreDelegate; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.DefaultControllerNode; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.Version; |
| import org.onosproject.core.VersionService; |
| import org.onosproject.event.EventDeliveryService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.net.intent.WorkPartitionEvent; |
| import org.onosproject.net.intent.WorkPartitionEventListener; |
| import org.onosproject.net.intent.WorkPartitionService; |
| import org.onosproject.store.AbstractStore; |
| import org.slf4j.Logger; |
| |
| import java.util.Set; |
| import java.util.function.Function; |
| |
| import static org.onosproject.security.AppGuard.checkPermission; |
| import static org.onosproject.security.AppPermission.Type.*; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Manages inventory of infrastructure devices using trivial in-memory |
| * structures implementation. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SimpleClusterStore |
| extends AbstractStore<ClusterEvent, ClusterStoreDelegate> |
| implements ClusterStore, WorkPartitionService { |
| |
| public static final IpAddress LOCALHOST = IpAddress.valueOf("127.0.0.1"); |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private ControllerNode instance; |
| |
| private final DateTime creationTime = DateTime.now(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected EventDeliveryService eventDispatcher; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected VersionService versionService; |
| |
| private ListenerRegistry<WorkPartitionEvent, WorkPartitionEventListener> listenerRegistry; |
| private boolean started = false; |
| |
| @Activate |
| public void activate() { |
| instance = new DefaultControllerNode(new NodeId("local"), LOCALHOST); |
| |
| listenerRegistry = new ListenerRegistry<>(); |
| eventDispatcher.addSink(WorkPartitionEvent.class, listenerRegistry); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| eventDispatcher.removeSink(WorkPartitionEvent.class); |
| log.info("Stopped"); |
| } |
| |
| |
| @Override |
| public ControllerNode getLocalNode() { |
| return instance; |
| } |
| |
| @Override |
| public Set<ControllerNode> getNodes() { |
| return ImmutableSet.of(instance); |
| } |
| |
| @Override |
| public ControllerNode getNode(NodeId nodeId) { |
| return instance.id().equals(nodeId) ? instance : null; |
| } |
| |
| @Override |
| public ControllerNode.State getState(NodeId nodeId) { |
| return ControllerNode.State.ACTIVE; |
| } |
| |
| @Override |
| public Version getVersion(NodeId nodeId) { |
| return instance.id().equals(nodeId) ? versionService.version() : null; |
| } |
| |
| @Override |
| public void markFullyStarted(boolean started) { |
| this.started = started; |
| } |
| |
| @Override |
| public DateTime getLastUpdated(NodeId nodeId) { |
| return creationTime; |
| } |
| |
| @Override |
| public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
| return null; |
| } |
| |
| @Override |
| public void removeNode(NodeId nodeId) { |
| } |
| |
| @Override |
| public <K> boolean isMine(K key, Function<K, Long> hasher) { |
| checkPermission(INTENT_READ); |
| return true; |
| } |
| |
| @Override |
| public <K> NodeId getLeader(K key, Function<K, Long> hasher) { |
| checkPermission(INTENT_READ); |
| return instance.id(); |
| } |
| |
| @Override |
| public void addListener(WorkPartitionEventListener listener) { |
| checkPermission(INTENT_EVENT); |
| listenerRegistry.addListener(listener); |
| } |
| |
| @Override |
| public void removeListener(WorkPartitionEventListener listener) { |
| checkPermission(INTENT_EVENT); |
| listenerRegistry.removeListener(listener); |
| } |
| } |