| /* |
| * Copyright 2014 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.store.service.impl; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Vector; |
| |
| import net.kuujo.copycat.cluster.TcpClusterConfig; |
| import net.kuujo.copycat.cluster.TcpMember; |
| import net.kuujo.copycat.event.LeaderElectEvent; |
| import net.kuujo.copycat.internal.log.ConfigurationEntry; |
| import net.kuujo.copycat.internal.log.CopycatEntry; |
| import net.kuujo.copycat.internal.log.OperationEntry; |
| import net.kuujo.copycat.internal.log.SnapshotEntry; |
| import net.kuujo.copycat.protocol.PingRequest; |
| import net.kuujo.copycat.protocol.PingResponse; |
| import net.kuujo.copycat.protocol.PollRequest; |
| import net.kuujo.copycat.protocol.PollResponse; |
| import net.kuujo.copycat.protocol.Response.Status; |
| import net.kuujo.copycat.protocol.SubmitRequest; |
| import net.kuujo.copycat.protocol.SubmitResponse; |
| import net.kuujo.copycat.protocol.SyncRequest; |
| import net.kuujo.copycat.protocol.SyncResponse; |
| import net.kuujo.copycat.spi.protocol.Protocol; |
| import net.kuujo.copycat.spi.protocol.ProtocolClient; |
| import net.kuujo.copycat.spi.protocol.ProtocolServer; |
| |
| 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.onosproject.cluster.ClusterService; |
| import org.onosproject.store.cluster.messaging.ClusterCommunicationService; |
| import org.onosproject.store.cluster.messaging.MessageSubject; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.serializers.KryoSerializer; |
| import org.onosproject.store.serializers.StoreSerializer; |
| import org.onosproject.store.service.impl.DatabaseStateMachine.State; |
| import org.onosproject.store.service.impl.DatabaseStateMachine.TableMetadata; |
| import org.onlab.util.KryoNamespace; |
| import org.slf4j.Logger; |
| |
| /** |
| * ONOS Cluster messaging based Copycat protocol. |
| */ |
| @Component(immediate = false) |
| @Service |
| public class ClusterMessagingProtocol |
| implements DatabaseProtocolService, Protocol<TcpMember> { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterCommunicationService clusterCommunicator; |
| |
| public static final MessageSubject COPYCAT_PING = |
| new MessageSubject("copycat-raft-consensus-ping"); |
| public static final MessageSubject COPYCAT_SYNC = |
| new MessageSubject("copycat-raft-consensus-sync"); |
| public static final MessageSubject COPYCAT_POLL = |
| new MessageSubject("copycat-raft-consensus-poll"); |
| public static final MessageSubject COPYCAT_SUBMIT = |
| new MessageSubject("copycat-raft-consensus-submit"); |
| |
| static final int AFTER_COPYCAT = KryoNamespaces.BEGIN_USER_CUSTOM_ID + 50; |
| |
| static final KryoNamespace COPYCAT = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .nextId(KryoNamespaces.BEGIN_USER_CUSTOM_ID) |
| .register(PingRequest.class) |
| .register(PingResponse.class) |
| .register(PollRequest.class) |
| .register(PollResponse.class) |
| .register(SyncRequest.class) |
| .register(SyncResponse.class) |
| .register(SubmitRequest.class) |
| .register(SubmitResponse.class) |
| .register(Status.class) |
| .register(ConfigurationEntry.class) |
| .register(SnapshotEntry.class) |
| .register(CopycatEntry.class) |
| .register(OperationEntry.class) |
| .register(TcpClusterConfig.class) |
| .register(TcpMember.class) |
| .register(LeaderElectEvent.class) |
| .register(Vector.class) |
| .build(); |
| |
| // serializer used for CopyCat Protocol |
| public static final StoreSerializer DB_SERIALIZER = new KryoSerializer() { |
| @Override |
| protected void setupKryoPool() { |
| serializerPool = KryoNamespace.newBuilder() |
| .register(COPYCAT) |
| .nextId(AFTER_COPYCAT) |
| // for snapshot |
| .register(State.class) |
| .register(TableMetadata.class) |
| // TODO: Move this out to API? |
| .register(TableModificationEvent.class) |
| .register(TableModificationEvent.Type.class) |
| .build(); |
| } |
| }; |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public ProtocolServer createServer(TcpMember member) { |
| return new ClusterMessagingProtocolServer(clusterCommunicator); |
| } |
| |
| @Override |
| public ProtocolClient createClient(TcpMember member) { |
| return new ClusterMessagingProtocolClient(clusterService, |
| clusterCommunicator, |
| clusterService.getLocalNode(), |
| member); |
| } |
| } |