Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.cluster.impl; |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 24 | import org.onosproject.cluster.ClusterAdminService; |
| 25 | import org.onosproject.cluster.ClusterEvent; |
| 26 | import org.onosproject.cluster.ClusterEventListener; |
| 27 | import org.onosproject.cluster.ClusterService; |
| 28 | import org.onosproject.cluster.ClusterStore; |
| 29 | import org.onosproject.cluster.ClusterStoreDelegate; |
| 30 | import org.onosproject.cluster.ControllerNode; |
| 31 | import org.onosproject.cluster.NodeId; |
| 32 | import org.onosproject.event.AbstractListenerRegistry; |
| 33 | import org.onosproject.event.EventDeliveryService; |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 34 | import org.onlab.packet.IpAddress; |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 35 | import org.slf4j.Logger; |
| 36 | |
| 37 | import java.util.Set; |
| 38 | |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 39 | import static com.google.common.base.Preconditions.checkArgument; |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 40 | import static com.google.common.base.Preconditions.checkNotNull; |
| 41 | import static org.slf4j.LoggerFactory.getLogger; |
| 42 | |
| 43 | /** |
| 44 | * Implementation of the cluster service. |
| 45 | */ |
| 46 | @Component(immediate = true) |
| 47 | @Service |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 48 | public class ClusterManager implements ClusterService, ClusterAdminService { |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 49 | |
| 50 | public static final String INSTANCE_ID_NULL = "Instance ID cannot be null"; |
| 51 | private final Logger log = getLogger(getClass()); |
| 52 | |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 53 | private ClusterStoreDelegate delegate = new InternalStoreDelegate(); |
| 54 | |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 55 | protected final AbstractListenerRegistry<ClusterEvent, ClusterEventListener> |
| 56 | listenerRegistry = new AbstractListenerRegistry<>(); |
| 57 | |
| 58 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 59 | protected ClusterStore store; |
| 60 | |
| 61 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 62 | protected EventDeliveryService eventDispatcher; |
| 63 | |
| 64 | @Activate |
| 65 | public void activate() { |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 66 | store.setDelegate(delegate); |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 67 | eventDispatcher.addSink(ClusterEvent.class, listenerRegistry); |
| 68 | log.info("Started"); |
| 69 | } |
| 70 | |
| 71 | @Deactivate |
| 72 | public void deactivate() { |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 73 | store.unsetDelegate(delegate); |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 74 | eventDispatcher.removeSink(ClusterEvent.class); |
| 75 | log.info("Stopped"); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public ControllerNode getLocalNode() { |
| 80 | return store.getLocalNode(); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public Set<ControllerNode> getNodes() { |
| 85 | return store.getNodes(); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public ControllerNode getNode(NodeId nodeId) { |
| 90 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 91 | return store.getNode(nodeId); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public ControllerNode.State getState(NodeId nodeId) { |
| 96 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 97 | return store.getState(nodeId); |
| 98 | } |
| 99 | |
| 100 | @Override |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 101 | public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 102 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 103 | checkNotNull(ip, "IP address cannot be null"); |
| 104 | checkArgument(tcpPort > 5000, "TCP port must be > 5000"); |
| 105 | return store.addNode(nodeId, ip, tcpPort); |
| 106 | } |
| 107 | |
| 108 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 109 | public void removeNode(NodeId nodeId) { |
| 110 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 111 | store.removeNode(nodeId); |
| 112 | } |
| 113 | |
| 114 | @Override |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 115 | public void addListener(ClusterEventListener listener) { |
| 116 | listenerRegistry.addListener(listener); |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public void removeListener(ClusterEventListener listener) { |
| 121 | listenerRegistry.removeListener(listener); |
| 122 | } |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 123 | |
| 124 | // Store delegate to re-post events emitted from the store. |
| 125 | private class InternalStoreDelegate implements ClusterStoreDelegate { |
| 126 | @Override |
| 127 | public void notify(ClusterEvent event) { |
| 128 | checkNotNull(event, "Event cannot be null"); |
| 129 | eventDispatcher.post(event); |
| 130 | } |
| 131 | } |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 132 | } |