| package org.onlab.onos.store.service.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.Vector; |
| |
| import net.kuujo.copycat.cluster.TcpClusterConfig; |
| import net.kuujo.copycat.cluster.TcpMember; |
| 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.onlab.onos.store.serializers.ImmutableListSerializer; |
| import org.onlab.onos.store.serializers.ImmutableMapSerializer; |
| import org.onlab.onos.store.serializers.ImmutableSetSerializer; |
| import org.onlab.onos.store.serializers.KryoSerializer; |
| import org.onlab.onos.store.service.ReadRequest; |
| import org.onlab.onos.store.service.ReadResult; |
| import org.onlab.onos.store.service.VersionedValue; |
| import org.onlab.onos.store.service.WriteRequest; |
| import org.onlab.onos.store.service.WriteResult; |
| import org.onlab.util.KryoNamespace; |
| |
| import com.esotericsoftware.kryo.Kryo; |
| import com.esotericsoftware.kryo.io.Input; |
| import com.esotericsoftware.kryo.serializers.CollectionSerializer; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| |
| /** |
| * {@link Protocol} based on {@link org.onlab.netty.NettyMessagingService}. |
| */ |
| public class NettyProtocol implements Protocol<TcpMember> { |
| |
| public static final String COPYCAT_PING = "copycat-raft-consensus-ping"; |
| public static final String COPYCAT_SYNC = "copycat-raft-consensus-sync"; |
| public static final String COPYCAT_POLL = "copycat-raft-consensus-poll"; |
| public static final String COPYCAT_SUBMIT = "copycat-raft-consensus-submit"; |
| |
| // TODO: make this configurable. |
| public static final long RETRY_INTERVAL_MILLIS = 2000; |
| |
| private static final KryoNamespace COPYCAT = KryoNamespace.newBuilder() |
| .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) |
| .build(); |
| |
| // TODO: Move to the right place. |
| private static final KryoNamespace CRAFT = KryoNamespace.newBuilder() |
| .register(ReadRequest.class) |
| .register(WriteRequest.class) |
| .register(InternalReadResult.class) |
| .register(InternalWriteResult.class) |
| .register(InternalReadResult.Status.class) |
| .register(WriteResult.class) |
| .register(ReadResult.class) |
| .register(InternalWriteResult.Status.class) |
| .register(VersionedValue.class) |
| .build(); |
| |
| public static final KryoNamespace COMMON = KryoNamespace.newBuilder() |
| .register(Arrays.asList().getClass(), new CollectionSerializer() { |
| @Override |
| @SuppressWarnings("rawtypes") |
| protected Collection<?> create(Kryo kryo, Input input, Class<Collection> type) { |
| return new ArrayList(); |
| } |
| }) |
| .register(ImmutableMap.class, new ImmutableMapSerializer()) |
| .register(ImmutableList.class, new ImmutableListSerializer()) |
| .register(ImmutableSet.class, new ImmutableSetSerializer()) |
| .register( |
| Vector.class, |
| ArrayList.class, |
| Arrays.asList().getClass(), |
| HashMap.class, |
| HashSet.class, |
| LinkedList.class, |
| byte[].class) |
| .build(); |
| |
| public static final KryoSerializer SERIALIZER = new KryoSerializer() { |
| @Override |
| protected void setupKryoPool() { |
| serializerPool = KryoNamespace.newBuilder() |
| .register(COPYCAT) |
| .register(COMMON) |
| .register(CRAFT) |
| .build() |
| .populate(1); |
| } |
| }; |
| |
| private NettyProtocolServer server = null; |
| |
| // FIXME: This is a total hack.Assumes |
| // ProtocolServer is initialized before ProtocolClient |
| protected NettyProtocolServer getServer() { |
| if (server == null) { |
| throw new IllegalStateException("ProtocolServer is not initialized yet!"); |
| } |
| return server; |
| } |
| |
| @Override |
| public ProtocolServer createServer(TcpMember member) { |
| server = new NettyProtocolServer(member); |
| return server; |
| } |
| |
| @Override |
| public ProtocolClient createClient(TcpMember member) { |
| return new NettyProtocolClient(this, member); |
| } |
| } |