Examples with ProtocolInitializer org.neo4j.bolt.transport.NettyServer.ProtocolInitializer used on opensource projects

Example 1 with ProtocolInitializer

use of org.neo4j.bolt.transport.NettyServer.ProtocolInitializer in project neo4j by neo4j.

the class BoltKernelExtension method newInstance.

@Override
public Lifecycle newInstance(KernelContext context, Dependencies dependencies) throws Throwable {
    Config config = dependencies.config();
    GraphDatabaseService gdb = dependencies.db();
    GraphDatabaseAPI api = (GraphDatabaseAPI) gdb;
    LogService logService = dependencies.logService();
    Clock clock = dependencies.clock();
    Log log = logService.getInternalLog(WorkerFactory.class);
    LifeSupport life = new LifeSupport();
    JobScheduler scheduler = dependencies.scheduler();
    InternalLoggerFactory.setDefaultFactory(new Netty4LoggerFactory(logService.getInternalLogProvider()));
    Authentication authentication = authentication(dependencies.authManager(), dependencies.userManagerSupplier());
    BoltFactory boltFactory = life.add(new BoltFactoryImpl(api, dependencies.usageData(), logService, dependencies.txBridge(), authentication, dependencies.sessionTracker(), config));
    WorkerFactory workerFactory = createWorkerFactory(boltFactory, scheduler, dependencies, logService, clock);
    List<ProtocolInitializer> connectors = config.enabledBoltConnectors().stream().map((connConfig) -> {
        ListenSocketAddress listenAddress = config.get(connConfig.listen_address);
        AdvertisedSocketAddress advertisedAddress = config.get(connConfig.advertised_address);
        SslContext sslCtx;
        boolean requireEncryption;
        final BoltConnector.EncryptionLevel encryptionLevel = config.get(connConfig.encryption_level);
        switch(encryptionLevel) {
            case REQUIRED:
                // Encrypted connections are mandatory, a self-signed certificate may be generated.
                requireEncryption = true;
                sslCtx = createSslContext(config, log, advertisedAddress);
                break;
            case OPTIONAL:
                // Encrypted connections are optional, a self-signed certificate may be generated.
                requireEncryption = false;
                sslCtx = createSslContext(config, log, advertisedAddress);
                break;
            case DISABLED:
                // Encryption is turned off, no self-signed certificate will be generated.
                requireEncryption = false;
                sslCtx = null;
                break;
            default:
                // In the unlikely event that we happen to fall through to the default option here,
                // there is a mismatch between the BoltConnector.EncryptionLevel enum and the options
                // handled in this switch statement. In this case, we'll log a warning and default to
                // disabling encryption, since this mirrors the functionality introduced in 3.0.
                log.warn(format("Unhandled encryption level %s - assuming DISABLED.", encryptionLevel.name()));
                requireEncryption = false;
                sslCtx = null;
                break;
        }
        final Map<Long, BiFunction<Channel, Boolean, BoltProtocol>> versions = newVersions(logService, workerFactory);
        return new SocketTransport(listenAddress, sslCtx, requireEncryption, logService.getInternalLogProvider(), versions);
    }).collect(toList());
    if (connectors.size() > 0 && !config.get(GraphDatabaseSettings.disconnected)) {
        life.add(new NettyServer(scheduler.threadFactory(boltNetworkIO), connectors));
        log.info("Bolt Server extension loaded.");
        for (ProtocolInitializer connector : connectors) {
            logService.getUserLog(WorkerFactory.class).info("Bolt enabled on %s.", connector.address());
        }
    }
    return life;
}