Example usage for io.netty.channel.pool AbstractChannelPoolHandler AbstractChannelPoolHandler

Introduction

In this page you can find the example usage for io.netty.channel.pool AbstractChannelPoolHandler AbstractChannelPoolHandler.

Prototype

AbstractChannelPoolHandler

Source Link

Usage

From source file:com.splicemachine.olap.AsyncOlapNIOLayer.java

License:Apache License

public AsyncOlapNIOLayer(String host, int port) {
    InetSocketAddress socketAddr = new InetSocketAddress(host, port);
    Bootstrap bootstrap = new Bootstrap();
    NioEventLoopGroup group = new NioEventLoopGroup(5,
            new ThreadFactoryBuilder().setNameFormat("olapClientWorker-%d").setDaemon(true)
                    .setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
                        @Override
                        public void uncaughtException(Thread t, Throwable e) {
                            LOG.error("[" + t.getName() + "] Unexpected error in AsyncOlapNIO pool: ", e);
                        }/* ww  w  .  ja v a  2s  .c  om*/
                    }).build());
    bootstrap.channel(NioSocketChannel.class).group(group).option(ChannelOption.SO_KEEPALIVE, true)
            .remoteAddress(socketAddr);

    //TODO -sf- this may be excessive network usage --consider a bounded pool to prevent over-connection?
    this.channelPool = new SimpleChannelPool(bootstrap, new AbstractChannelPoolHandler() {
        @Override
        public void channelCreated(Channel channel) throws Exception {
            ChannelPipeline p = channel.pipeline();
            p.addLast("frameEncoder", new LengthFieldPrepender(4));
            p.addLast("protobufEncoder", new ProtobufEncoder());
            p.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1 << 30, 0, 4, 0, 4));
            p.addLast("protobufDecoder", decoder);
        }
    });
    executorService = group;
}

---

From source file:org.eclipse.milo.opcua.stack.client.transport.http.OpcHttpTransport.java

License:Open Source License

private static ChannelPool createChannelPool(UaStackClientConfig config) {
    final String endpointUrl = config.getEndpoint().getEndpointUrl();

    String host = EndpointUtil.getHost(endpointUrl);
    if (host == null)
        host = "";

    int port = EndpointUtil.getPort(endpointUrl);

    LOGGER.debug("createChannelPool() host={} port={}", host, port);

    Bootstrap bootstrap = new Bootstrap().channelFactory(NioSocketChannel::new).group(config.getEventLoop())
            .remoteAddress(host, port);//ww w .java  2s .  co  m

    return new SimpleChannelPool(bootstrap, new AbstractChannelPoolHandler() {
        @Override
        public void channelCreated(Channel channel) throws Exception {
            String scheme = EndpointUtil.getScheme(endpointUrl);

            if ("https".equalsIgnoreCase(scheme) || "opc.https".equalsIgnoreCase(scheme)) {
                SslContext sslContext = SslContextBuilder.forClient()
                        .trustManager(InsecureTrustManagerFactory.INSTANCE).build();

                channel.pipeline().addLast(sslContext.newHandler(channel.alloc()));
            }

            int maxMessageSize = config.getMessageLimits().getMaxMessageSize();

            channel.pipeline().addLast(new LoggingHandler(LogLevel.TRACE));
            channel.pipeline().addLast(new HttpClientCodec());
            channel.pipeline().addLast(new HttpObjectAggregator(maxMessageSize));
            channel.pipeline().addLast(new OpcClientHttpCodec(config));

            LOGGER.debug("channelCreated(): " + channel);
        }

        @Override
        public void channelAcquired(Channel channel) {
            LOGGER.debug("channelAcquired(): " + channel);
        }

        @Override
        public void channelReleased(Channel channel) {
            LOGGER.debug("channelReleased(): " + channel);
        }
    });
}

---