Example usage for io.netty.bootstrap ServerBootstrap group

List of usage examples for io.netty.bootstrap ServerBootstrap group

Introduction

In this page you can find the example usage for io.netty.bootstrap ServerBootstrap group.

Prototype

@Override
public ServerBootstrap group(EventLoopGroup group) 

Source Link

Document

Specify the EventLoopGroup which is used for the parent (acceptor) and the child (client).

Usage

From source file:NettyHttpListner.java

License:Apache License

public void start() {

    System.out.println("Starting the server...");
    System.out.println("Starting Inbound Http Listner on Port " + this.port);

    // Configure SSL.
    SslContext sslCtx = null;/*from  w ww .  j  a  v a 2s  .c  o m*/
    if (SSL) {
        try {
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } catch (CertificateException ex) {
            Logger.getLogger(NettyHttpListner.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SSLException ex) {
            Logger.getLogger(NettyHttpListner.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    commonEventLoopGroup = new NioEventLoopGroup(bossGroupSize);
    //        bossGroup = new NioEventLoopGroup(bossGroupSize);
    //        workerGroup = new NioEventLoopGroup(workerGroupSize);

    try {
        ServerBootstrap b = new ServerBootstrap();

        //            b.commonEventLoopGroup(bossGroup, workerGroup)
        b.group(commonEventLoopGroup).channel(NioServerSocketChannel.class)
                .childHandler(
                        new NettyHttpTransportHandlerInitializer(HOST, HOST_PORT, maxConnectionsQueued, sslCtx))
                .childOption(ChannelOption.AUTO_READ, false);

        b.option(ChannelOption.TCP_NODELAY, true);
        b.childOption(ChannelOption.TCP_NODELAY, true);

        b.option(ChannelOption.SO_BACKLOG, maxConnectionsQueued);

        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 15000);

        b.option(ChannelOption.SO_SNDBUF, 1048576);
        b.option(ChannelOption.SO_RCVBUF, 1048576);
        b.childOption(ChannelOption.SO_RCVBUF, 1048576);
        b.childOption(ChannelOption.SO_SNDBUF, 1048576);

        b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

        Channel ch = null;
        try {
            ch = b.bind(port).sync().channel();
            ch.closeFuture().sync();
            System.out.println("Inbound Listner Started");
        } catch (InterruptedException e) {
            System.out.println("Exception caught");
        }
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:alluxio.network.protocol.RPCMessageIntegrationTest.java

License:Apache License

@BeforeClass
public static void beforeClass() {
    sEventClient = new NioEventLoopGroup(1);
    sEventServer = new NioEventLoopGroup(1);
    sIncomingHandler = new MessageSavingHandler();

    // Setup the server.
    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(sEventServer);
    bootstrap.channel(NioServerSocketChannel.class);
    bootstrap.childHandler(new PipelineInitializer(sIncomingHandler));

    InetSocketAddress address = new InetSocketAddress(NetworkAddressUtils.getLocalHostName(100),
            Constants.DEFAULT_MASTER_PORT);
    ChannelFuture cf = bootstrap.bind(address).syncUninterruptibly();
    sLocalAddress = cf.channel().localAddress();

    // Setup the client.
    sBootstrapClient = new Bootstrap();
    sBootstrapClient.group(sEventClient);
    sBootstrapClient.channel(NioSocketChannel.class);
    sBootstrapClient.handler(new PipelineInitializer(new MessageSavingHandler()));
}

From source file:at.yawk.dbus.protocol.DbusConnectorTest.java

@Test(enabled = false)
public void testServer() throws Exception {
    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.channel(EpollServerDomainSocketChannel.class);
    bootstrap.group(new EpollEventLoopGroup());
    bootstrap.childHandler(new ChannelInitializer<Channel>() {
        @Override/*from   w w  w. jav  a2 s  .  c o  m*/
        protected void initChannel(Channel ch) throws Exception {

            ch.pipeline().addLast(new CommandCodec()).addLast(new ChannelDuplexHandler() {
                @Override
                public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                    if (msg instanceof NegotiateUnixFd) {
                        ch.writeAndFlush(new Error("error"));
                    }

                    if (msg instanceof Begin) {
                        ch.pipeline().addLast(new LoggingInboundAdapter())
                                .addLast(new DbusMainProtocol(new MessageConsumer() {
                                    @Override
                                    public boolean requireAccept(MessageHeader header) {
                                        return true;
                                    }

                                    @Override
                                    public void accept(DbusMessage message) {
                                        DbusMessage response = new DbusMessage();

                                        MessageHeader header = new MessageHeader();
                                        header.setMessageType(MessageType.ERROR);
                                        header.addHeader(HeaderField.REPLY_SERIAL,
                                                BasicObject.createUint32(message.getHeader().getSerial()));
                                        //header.addHeader(HeaderField.SIGNATURE, SignatureObject.create(
                                        //        Collections.singletonList(BasicType.VARIANT)));
                                        header.addHeader(HeaderField.ERROR_NAME,
                                                BasicObject.createString("Error"));
                                        response.setHeader(header);

                                        MessageBody body = new MessageBody();
                                        //body.add(VariantObject.create(BasicObject.createString("testing!")));
                                        response.setBody(body);

                                        ch.writeAndFlush(response);
                                    }
                                }));
                        ch.pipeline().remove((Class) getClass());
                        ch.pipeline().remove(CommandCodec.class);
                    }
                }
            });
            ch.writeAndFlush(new Ok(UUID.randomUUID()));
        }
    });
    bootstrap.bind(new DomainSocketAddress(new File("test")));

    try {
        DbusUtil.callCommand(("dbus-send --address=unix:path=" + new File(".").getAbsolutePath()
                + "/test --dest=org.freedesktop.UPower --print-reply "
                + "/org/freedesktop/UPower/devices/DisplayDevice org.freedesktop.DBus.Properties.Get string:org"
                + ".freedesktop.UPower.Device string:State").split(" "));
    } catch (Exception e) {
        e.printStackTrace();
    }
    TimeUnit.DAYS.sleep(1);
}

From source file:co.paralleluniverse.comsat.webactors.netty.WebActorTest.java

License:Open Source License

@Before
public void setUp() throws InterruptedException, IOException {
    System.out.println("Clearing sessions");
    WebActorHandler.sessions.clear();/* w  w w.ja  v  a 2 s  . com*/

    group = new NioEventLoopGroup();
    final ServerBootstrap b = new ServerBootstrap();
    b.group(group).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipeline = ch.pipeline();
                    pipeline.addLast(new LoggingHandler(LogLevel.INFO));
                    pipeline.addLast(new HttpRequestDecoder());
                    pipeline.addLast(new LoggingHandler(LogLevel.INFO));
                    pipeline.addLast(HTTP_RESPONSE_ENCODER_KEY, new HttpResponseEncoder());
                    pipeline.addLast(new LoggingHandler(LogLevel.INFO));
                    pipeline.addLast(new HttpObjectAggregator(65536));
                    pipeline.addLast(new LoggingHandler(LogLevel.INFO));
                    pipeline.addLast(webActorHandlerCreatorInEffect.call());
                }
            });

    ch = b.bind(INET_PORT).sync();

    AbstractEmbeddedServer.waitUrlAvailable("http://localhost:" + INET_PORT);

    System.err.println("Server is up");
}

From source file:com.android.tools.idea.diagnostics.crash.LocalTestServer.java

License:Apache License

public void start() throws Exception {
    ServerBootstrap b = new ServerBootstrap();
    myEventLoopGroup = new OioEventLoopGroup();
    b.group(myEventLoopGroup).channel(OioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//w w w  .  j av a  2  s  . c  o m
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    p.addLast(new HttpServerCodec());
                    // Note: Netty's decompressor uses jcraft jzlib, which is not exported as a library
                    // p.addLast(new HttpContentDecompressor());
                    p.addLast(new HttpObjectAggregator(32 * 1024)); // big enough to collect a full thread dump
                    p.addLast(new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
                            ctx.flush();
                        }

                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                            if (!(msg instanceof FullHttpRequest)) {
                                return;
                            }

                            FullHttpResponse response = myResponseSupplier.apply((FullHttpRequest) msg);
                            response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain");
                            response.headers().set(HttpHeaderNames.CONTENT_LENGTH,
                                    response.content().readableBytes());
                            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
                        }

                        @Override
                        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
                                throws Exception {
                            ctx.write(cause.toString()).addListener(ChannelFutureListener.CLOSE);
                        }
                    });
                }
            });

    myChannel = b.bind(myPort).sync().channel();
}

From source file:com.digitalpetri.modbus.slave.ModbusTcpSlave.java

License:Apache License

public CompletableFuture<ModbusTcpSlave> bind(String host, int port) {
    CompletableFuture<ModbusTcpSlave> bindFuture = new CompletableFuture<>();

    ServerBootstrap bootstrap = new ServerBootstrap();

    ChannelInitializer<SocketChannel> initializer = new ChannelInitializer<SocketChannel>() {
        @Override/*from w w  w  .  ja va2s. c  o m*/
        protected void initChannel(SocketChannel channel) throws Exception {
            channelCounter.inc();
            logger.info("channel initialized: {}", channel);

            channel.pipeline().addLast(new LoggingHandler(LogLevel.TRACE));
            channel.pipeline()
                    .addLast(new ModbusTcpCodec(new ModbusResponseEncoder(), new ModbusRequestDecoder()));
            channel.pipeline().addLast(new ModbusTcpSlaveHandler(ModbusTcpSlave.this));

            channel.closeFuture().addListener(future -> channelCounter.dec());
        }
    };

    config.getBootstrapConsumer().accept(bootstrap);

    bootstrap.group(config.getEventLoop()).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.DEBUG)).childHandler(initializer)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

    bootstrap.bind(host, port).addListener((ChannelFuture future) -> {
        if (future.isSuccess()) {
            Channel channel = future.channel();
            serverChannels.put(channel.localAddress(), channel);
            bindFuture.complete(ModbusTcpSlave.this);
        } else {
            bindFuture.completeExceptionally(future.cause());
        }
    });

    return bindFuture;
}

From source file:com.fjn.helper.frameworkex.netty.v4.echotest.EchoServer.java

License:Apache License

public void start() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from w  w w  . j  a  v a 2 s .  c  o  m*/
        // Bootstraps the server
        ServerBootstrap b = new ServerBootstrap();

        // Specifies NIO transport, local socket address
        b.group(group);
        b.childGroup();
        b.channel(NioServerSocketChannel.class);
        b.localAddress(new InetSocketAddress(port));

        // Adds handler to channel pipeline
        b.childHandler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new EchoServerHandler());
            }
        });

        // Binds server, waits for server to close, and releases resources
        ChannelFuture f = b.bind().sync();
        System.out.println(EchoServer.class.getName() + " started and listen on " + f.channel().localAddress());
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }

}

From source file:com.flysoloing.learning.network.netty.http2.helloworld.multiplex.server.Http2Server.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*www . j av a  2  s  .  c  o  m*/
        SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).sslProvider(provider)
                /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
                 * Please refer to the HTTP/2 specification for cipher requirements. */
                .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
                .applicationProtocolConfig(new ApplicationProtocolConfig(Protocol.ALPN,
                        // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                        SelectorFailureBehavior.NO_ADVERTISE,
                        // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                        SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.HTTP_2,
                        ApplicationProtocolNames.HTTP_1_1))
                .build();
    } else {
        sslCtx = null;
    }
    // Configure the server.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(group).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new Http2ServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your HTTP/2-enabled web browser and navigate to " + (SSL ? "https" : "http")
                + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.http2.tiles.Http2Server.java

License:Apache License

public ChannelFuture start() throws Exception {
    final SslContext sslCtx = configureTLS();
    ServerBootstrap b = new ServerBootstrap();
    b.option(ChannelOption.SO_BACKLOG, 1024);
    b.group(group).channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {
        @Override// ww w .  j  a v a2  s.  c  om
        protected void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(sslCtx.newHandler(ch.alloc()), new Http2OrHttpHandler());
        }
    });

    Channel ch = b.bind(PORT).sync().channel();
    return ch.closeFuture();
}

From source file:com.flysoloing.learning.network.netty.http2.tiles.HttpServer.java

License:Apache License

public ChannelFuture start() throws Exception {
    ServerBootstrap b = new ServerBootstrap();
    b.option(ChannelOption.SO_BACKLOG, 1024);

    b.group(group).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override/*w w w  .j  a v a2 s  . c  o  m*/
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new HttpRequestDecoder(), new HttpResponseEncoder(),
                            new HttpObjectAggregator(MAX_CONTENT_LENGTH), new Http1RequestHandler());
                }
            });

    Channel ch = b.bind(PORT).sync().channel();
    return ch.closeFuture();
}