Search in sources :

Example 1 with MultiPaxosServerFactory

use of org.neo4j.cluster.MultiPaxosServerFactory in project neo4j by neo4j.

the class MultiPaxosServer method start.

public void start() throws IOException {
    broadcastSerializer = new AtomicBroadcastSerializer(new ObjectStreamFactory(), new ObjectStreamFactory());
    final LifeSupport life = new LifeSupport();
    try {
        MessageTimeoutStrategy timeoutStrategy = new MessageTimeoutStrategy(new FixedTimeoutStrategy(5000)).timeout(HeartbeatMessage.sendHeartbeat, 200);
        Monitors monitors = new Monitors();
        NetworkedServerFactory serverFactory = new NetworkedServerFactory(life, new MultiPaxosServerFactory(new ClusterConfiguration("default", NullLogProvider.getInstance()), NullLogProvider.getInstance(), monitors.newMonitor(StateMachines.Monitor.class)), timeoutStrategy, NullLogProvider.getInstance(), new ObjectStreamFactory(), new ObjectStreamFactory(), monitors.newMonitor(NetworkReceiver.Monitor.class), monitors.newMonitor(NetworkSender.Monitor.class), monitors.newMonitor(NamedThreadFactory.Monitor.class));
        ServerIdElectionCredentialsProvider electionCredentialsProvider = new ServerIdElectionCredentialsProvider();
        server = serverFactory.newNetworkedServer(Config.embeddedDefaults(), new InMemoryAcceptorInstanceStore(), electionCredentialsProvider);
        server.addBindingListener(electionCredentialsProvider);
        server.addBindingListener(new BindingListener() {

            @Override
            public void listeningAt(URI me) {
                System.out.println("Listening at:" + me);
            }
        });
        cluster = server.newClient(Cluster.class);
        cluster.addClusterListener(new ClusterListener() {

            @Override
            public void enteredCluster(ClusterConfiguration clusterConfiguration) {
                System.out.println("Entered cluster:" + clusterConfiguration);
            }

            @Override
            public void joinedCluster(InstanceId instanceId, URI member) {
                System.out.println("Joined cluster:" + instanceId + " (at URI " + member + ")");
            }

            @Override
            public void leftCluster(InstanceId instanceId, URI member) {
                System.out.println("Left cluster:" + instanceId);
            }

            @Override
            public void leftCluster() {
                System.out.println("Left cluster");
            }

            @Override
            public void elected(String role, InstanceId instanceId, URI electedMember) {
                System.out.println(instanceId + " at URI " + electedMember + " was elected as " + role);
            }

            @Override
            public void unelected(String role, InstanceId instanceId, URI electedMember) {
                System.out.println(instanceId + " at URI " + electedMember + " was removed from " + role);
            }
        });
        Heartbeat heartbeat = server.newClient(Heartbeat.class);
        heartbeat.addHeartbeatListener(new HeartbeatListener() {

            @Override
            public void failed(InstanceId server) {
                System.out.println(server + " failed");
            }

            @Override
            public void alive(InstanceId server) {
                System.out.println(server + " alive");
            }
        });
        broadcast = server.newClient(AtomicBroadcast.class);
        broadcast.addAtomicBroadcastListener(new AtomicBroadcastListener() {

            @Override
            public void receive(Payload value) {
                try {
                    System.out.println(broadcastSerializer.receive(value));
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (ClassNotFoundException e) {
                    e.printStackTrace();
                }
            }
        });
        life.start();
        String command;
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        while (!(command = reader.readLine()).equals("quit")) {
            String[] arguments = command.split(" ");
            Method method = getCommandMethod(arguments[0]);
            if (method != null) {
                String[] realArgs = new String[arguments.length - 1];
                System.arraycopy(arguments, 1, realArgs, 0, realArgs.length);
                try {
                    method.invoke(this, (Object[]) realArgs);
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                } catch (IllegalArgumentException e) {
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    e.printStackTrace();
                }
            }
        }
        cluster.leave();
    } finally {
        life.shutdown();
        System.out.println("Done");
    }
}
Also used : FixedTimeoutStrategy(org.neo4j.cluster.timeout.FixedTimeoutStrategy) NetworkedServerFactory(org.neo4j.cluster.NetworkedServerFactory) ClusterConfiguration(org.neo4j.cluster.protocol.cluster.ClusterConfiguration) URI(java.net.URI) AtomicBroadcastListener(org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcastListener) BindingListener(org.neo4j.cluster.BindingListener) LifeSupport(org.neo4j.kernel.lifecycle.LifeSupport) ServerIdElectionCredentialsProvider(org.neo4j.cluster.protocol.election.ServerIdElectionCredentialsProvider) AtomicBroadcastSerializer(org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcastSerializer) InputStreamReader(java.io.InputStreamReader) InstanceId(org.neo4j.cluster.InstanceId) AtomicBroadcast(org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcast) StateMachines(org.neo4j.cluster.StateMachines) Cluster(org.neo4j.cluster.protocol.cluster.Cluster) IOException(java.io.IOException) Method(java.lang.reflect.Method) ObjectStreamFactory(org.neo4j.cluster.protocol.atomicbroadcast.ObjectStreamFactory) InvocationTargetException(java.lang.reflect.InvocationTargetException) HeartbeatListener(org.neo4j.cluster.protocol.heartbeat.HeartbeatListener) ClusterListener(org.neo4j.cluster.protocol.cluster.ClusterListener) Heartbeat(org.neo4j.cluster.protocol.heartbeat.Heartbeat) Monitors(org.neo4j.kernel.monitoring.Monitors) MultiPaxosServerFactory(org.neo4j.cluster.MultiPaxosServerFactory) BufferedReader(java.io.BufferedReader) MessageTimeoutStrategy(org.neo4j.cluster.timeout.MessageTimeoutStrategy) Payload(org.neo4j.cluster.protocol.atomicbroadcast.Payload)

Example 2 with MultiPaxosServerFactory

use of org.neo4j.cluster.MultiPaxosServerFactory in project neo4j by neo4j.

the class ClusterInstance method newClusterInstance.

public static ClusterInstance newClusterInstance(InstanceId id, URI uri, Monitors monitors, ClusterConfiguration configuration, int maxSurvivableFailedMembers, LogProvider logging) {
    MultiPaxosServerFactory factory = new MultiPaxosServerFactory(configuration, logging, monitors.newMonitor(StateMachines.Monitor.class));
    ClusterInstanceInput input = new ClusterInstanceInput();
    ClusterInstanceOutput output = new ClusterInstanceOutput(uri);
    ObjectStreamFactory objStreamFactory = new ObjectStreamFactory();
    ProverTimeouts timeouts = new ProverTimeouts(uri);
    InMemoryAcceptorInstanceStore acceptorInstances = new InMemoryAcceptorInstanceStore();
    Config config = mock(Config.class);
    when(config.get(ClusterSettings.max_acceptors)).thenReturn(maxSurvivableFailedMembers);
    DelayedDirectExecutor executor = new DelayedDirectExecutor(logging);
    final MultiPaxosContext context = new MultiPaxosContext(id, Iterables.<ElectionRole, ElectionRole>iterable(new ElectionRole(ClusterConfiguration.COORDINATOR)), new ClusterConfiguration(configuration.getName(), logging, configuration.getMemberURIs()), executor, logging, objStreamFactory, objStreamFactory, acceptorInstances, timeouts, new DefaultElectionCredentialsProvider(id, new StateVerifierLastTxIdGetter(), new MemberInfoProvider()), config);
    context.getClusterContext().setBoundAt(uri);
    SnapshotContext snapshotContext = new SnapshotContext(context.getClusterContext(), context.getLearnerContext());
    DelayedDirectExecutor taskExecutor = new DelayedDirectExecutor(logging);
    ProtocolServer ps = factory.newProtocolServer(id, input, output, DIRECT_EXECUTOR, taskExecutor, timeouts, context, snapshotContext);
    return new ClusterInstance(DIRECT_EXECUTOR, logging, factory, ps, context, acceptorInstances, timeouts, input, output, uri);
}
Also used : Config(org.neo4j.kernel.configuration.Config) HighAvailabilityMemberInfoProvider(org.neo4j.kernel.ha.HighAvailabilityMemberInfoProvider) DelayedDirectExecutor(org.neo4j.cluster.DelayedDirectExecutor) ClusterConfiguration(org.neo4j.cluster.protocol.cluster.ClusterConfiguration) DefaultElectionCredentialsProvider(org.neo4j.kernel.ha.cluster.DefaultElectionCredentialsProvider) ElectionRole(org.neo4j.cluster.protocol.election.ElectionRole) ObjectStreamFactory(org.neo4j.cluster.protocol.atomicbroadcast.ObjectStreamFactory) SnapshotContext(org.neo4j.cluster.protocol.snapshot.SnapshotContext) ProtocolServer(org.neo4j.cluster.ProtocolServer) MultiPaxosContext(org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext) MultiPaxosServerFactory(org.neo4j.cluster.MultiPaxosServerFactory) InMemoryAcceptorInstanceStore(org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.InMemoryAcceptorInstanceStore)

Aggregations

MultiPaxosServerFactory (org.neo4j.cluster.MultiPaxosServerFactory)2 ObjectStreamFactory (org.neo4j.cluster.protocol.atomicbroadcast.ObjectStreamFactory)2 ClusterConfiguration (org.neo4j.cluster.protocol.cluster.ClusterConfiguration)2 BufferedReader (java.io.BufferedReader)1 IOException (java.io.IOException)1 InputStreamReader (java.io.InputStreamReader)1 InvocationTargetException (java.lang.reflect.InvocationTargetException)1 Method (java.lang.reflect.Method)1 URI (java.net.URI)1 BindingListener (org.neo4j.cluster.BindingListener)1 DelayedDirectExecutor (org.neo4j.cluster.DelayedDirectExecutor)1 InstanceId (org.neo4j.cluster.InstanceId)1 NetworkedServerFactory (org.neo4j.cluster.NetworkedServerFactory)1 ProtocolServer (org.neo4j.cluster.ProtocolServer)1 StateMachines (org.neo4j.cluster.StateMachines)1 AtomicBroadcast (org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcast)1 AtomicBroadcastListener (org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcastListener)1 AtomicBroadcastSerializer (org.neo4j.cluster.protocol.atomicbroadcast.AtomicBroadcastSerializer)1 Payload (org.neo4j.cluster.protocol.atomicbroadcast.Payload)1 InMemoryAcceptorInstanceStore (org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.InMemoryAcceptorInstanceStore)1