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 | */ |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 16 | package org.onlab.onos.store.cluster.impl; |
| 17 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 18 | import com.google.common.base.Optional; |
| 19 | import com.google.common.cache.LoadingCache; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 20 | import com.google.common.collect.ImmutableSet; |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 21 | import com.hazelcast.core.IMap; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 22 | import com.hazelcast.core.Member; |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 23 | import com.hazelcast.core.MemberAttributeEvent; |
| 24 | import com.hazelcast.core.MembershipEvent; |
| 25 | import com.hazelcast.core.MembershipListener; |
Yuta HIGUCHI | b5df76d | 2014-09-27 20:54:00 -0700 | [diff] [blame] | 26 | |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 27 | import org.apache.felix.scr.annotations.Activate; |
| 28 | import org.apache.felix.scr.annotations.Component; |
| 29 | import org.apache.felix.scr.annotations.Deactivate; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 30 | import org.apache.felix.scr.annotations.Service; |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 31 | import org.onlab.onos.cluster.ClusterEvent; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 32 | import org.onlab.onos.cluster.ClusterStore; |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 33 | import org.onlab.onos.cluster.ClusterStoreDelegate; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 34 | import org.onlab.onos.cluster.ControllerNode; |
| 35 | import org.onlab.onos.cluster.DefaultControllerNode; |
| 36 | import org.onlab.onos.cluster.NodeId; |
Yuta HIGUCHI | 41f2ec0 | 2014-10-27 09:54:43 -0700 | [diff] [blame] | 37 | import org.onlab.onos.store.hz.AbsentInvalidatingLoadingCache; |
| 38 | import org.onlab.onos.store.hz.AbstractHazelcastStore; |
| 39 | import org.onlab.onos.store.hz.OptionalCacheLoader; |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 40 | import org.onlab.packet.IpAddress; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 41 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 42 | import java.util.Map; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 43 | import java.util.Set; |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 44 | import java.util.concurrent.ConcurrentHashMap; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 45 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 46 | import static com.google.common.cache.CacheBuilder.newBuilder; |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 47 | import static org.onlab.onos.cluster.ClusterEvent.Type.INSTANCE_ACTIVATED; |
| 48 | import static org.onlab.onos.cluster.ClusterEvent.Type.INSTANCE_DEACTIVATED; |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 49 | import static org.onlab.onos.cluster.ControllerNode.State; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 50 | |
| 51 | /** |
| 52 | * Distributed implementation of the cluster nodes store. |
| 53 | */ |
| 54 | @Component(immediate = true) |
| 55 | @Service |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 56 | public class DistributedClusterStore |
Yuta HIGUCHI | 2e96389 | 2014-09-27 13:00:39 -0700 | [diff] [blame] | 57 | extends AbstractHazelcastStore<ClusterEvent, ClusterStoreDelegate> |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 58 | implements ClusterStore { |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 59 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 60 | private IMap<byte[], byte[]> rawNodes; |
| 61 | private LoadingCache<NodeId, Optional<DefaultControllerNode>> nodes; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 62 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 63 | private String listenerId; |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 64 | private final MembershipListener listener = new InternalMembershipListener(); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 65 | private final Map<NodeId, State> states = new ConcurrentHashMap<>(); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 66 | |
Yuta HIGUCHI | ad4c218 | 2014-09-29 11:16:23 -0700 | [diff] [blame] | 67 | @Override |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 68 | @Activate |
| 69 | public void activate() { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 70 | super.activate(); |
| 71 | listenerId = theInstance.getCluster().addMembershipListener(listener); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 72 | |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 73 | rawNodes = theInstance.getMap("nodes"); |
| 74 | OptionalCacheLoader<NodeId, DefaultControllerNode> nodeLoader |
Yuta HIGUCHI | 672488d | 2014-10-07 09:23:43 -0700 | [diff] [blame] | 75 | = new OptionalCacheLoader<>(serializer, rawNodes); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 76 | nodes = new AbsentInvalidatingLoadingCache<>(newBuilder().build(nodeLoader)); |
Yuta HIGUCHI | fec9e19 | 2014-09-28 14:58:02 -0700 | [diff] [blame] | 77 | rawNodes.addEntryListener(new RemoteCacheEventHandler<>(nodes), true); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 78 | |
| 79 | loadClusterNodes(); |
| 80 | |
| 81 | log.info("Started"); |
| 82 | } |
| 83 | |
| 84 | // Loads the initial set of cluster nodes |
| 85 | private void loadClusterNodes() { |
| 86 | for (Member member : theInstance.getCluster().getMembers()) { |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 87 | addNode(node(member)); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 88 | } |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | @Deactivate |
| 92 | public void deactivate() { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 93 | theInstance.getCluster().removeMembershipListener(listenerId); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 94 | log.info("Stopped"); |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public ControllerNode getLocalNode() { |
| 99 | return node(theInstance.getCluster().getLocalMember()); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public Set<ControllerNode> getNodes() { |
| 104 | ImmutableSet.Builder<ControllerNode> builder = ImmutableSet.builder(); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 105 | for (Optional<DefaultControllerNode> optional : nodes.asMap().values()) { |
| 106 | builder.add(optional.get()); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 107 | } |
| 108 | return builder.build(); |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public ControllerNode getNode(NodeId nodeId) { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 113 | return nodes.getUnchecked(nodeId).orNull(); |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 117 | public State getState(NodeId nodeId) { |
| 118 | State state = states.get(nodeId); |
| 119 | return state == null ? State.INACTIVE : state; |
| 120 | } |
| 121 | |
| 122 | @Override |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 123 | public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 124 | return addNode(new DefaultControllerNode(nodeId, ip, tcpPort)); |
| 125 | } |
| 126 | |
| 127 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 128 | public void removeNode(NodeId nodeId) { |
| 129 | synchronized (this) { |
| 130 | rawNodes.remove(serialize(nodeId)); |
| 131 | nodes.invalidate(nodeId); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | // Adds a new node based on the specified member |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 136 | private synchronized ControllerNode addNode(DefaultControllerNode node) { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 137 | rawNodes.put(serialize(node.id()), serialize(node)); |
| 138 | nodes.put(node.id(), Optional.of(node)); |
| 139 | states.put(node.id(), State.ACTIVE); |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 140 | return node; |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | // Creates a controller node descriptor from the Hazelcast member. |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 144 | private DefaultControllerNode node(Member member) { |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 145 | IpAddress ip = memberAddress(member); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 146 | return new DefaultControllerNode(new NodeId(ip.toString()), ip); |
| 147 | } |
| 148 | |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 149 | private IpAddress memberAddress(Member member) { |
Pavlin Radoslavov | af5ff79 | 2014-10-31 20:51:47 -0700 | [diff] [blame] | 150 | return IpAddress.valueOf(member.getSocketAddress().getAddress()); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | // Interceptor for membership events. |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 154 | private class InternalMembershipListener implements MembershipListener { |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 155 | @Override |
| 156 | public void memberAdded(MembershipEvent membershipEvent) { |
| 157 | log.info("Member {} added", membershipEvent.getMember()); |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 158 | ControllerNode node = addNode(node(membershipEvent.getMember())); |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 159 | notifyDelegate(new ClusterEvent(INSTANCE_ACTIVATED, node)); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void memberRemoved(MembershipEvent membershipEvent) { |
| 164 | log.info("Member {} removed", membershipEvent.getMember()); |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 165 | NodeId nodeId = new NodeId(memberAddress(membershipEvent.getMember()).toString()); |
| 166 | states.put(nodeId, State.INACTIVE); |
| 167 | notifyDelegate(new ClusterEvent(INSTANCE_DEACTIVATED, getNode(nodeId))); |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) { |
| 172 | log.info("Member {} attribute {} changed to {}", |
| 173 | memberAttributeEvent.getMember(), |
| 174 | memberAttributeEvent.getKey(), |
| 175 | memberAttributeEvent.getValue()); |
| 176 | } |
tom | 2d7c65f | 2014-09-23 01:09:35 -0700 | [diff] [blame] | 177 | } |
| 178 | } |