Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

Introduction

In this page you can find the example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup.

Prototype

public NioEventLoopGroup()

Source Link

Document

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:at.yawk.accordion.netty.NettyConnector.java

License:Mozilla Public License

@Override
public Server listen(SocketAddress inf) {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap bootstrap = new ServerBootstrap();

    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .option(ChannelOption.SO_BACKLOG, BACKLOG_VALUE).childOption(ChannelOption.SO_KEEPALIVE, true);

    NettyServer server = new NettyServer(bootstrap, inf);
    server.init();//w w w  .jav  a  2s .c om

    return server;
}

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

/**
 * Connect to the dbus server at the given {@link SocketAddress}.
 *//*from w w w . jav  a 2s. c  om*/
public DbusChannel connect(SocketAddress address) throws Exception {
    Bootstrap localBootstrap = bootstrap.clone();
    if (address instanceof DomainSocketAddress) {
        localBootstrap.group(new EpollEventLoopGroup());
        localBootstrap.channel(EpollDomainSocketChannel.class);
    } else {
        localBootstrap.group(new NioEventLoopGroup());
        localBootstrap.channel(NioSocketChannel.class);
    }

    Channel channel = localBootstrap.connect(address).sync().channel();

    AuthClient authClient = new AuthClient();
    if (LoggingInboundAdapter.isEnabled()) {
        channel.pipeline().addLast(new LoggingInboundAdapter());
    }

    channel.pipeline().addLast("auth", authClient);
    channel.config().setAutoRead(true);
    log.trace("Pipeline is now {}", channel.pipeline());

    // I really don't get why dbus does this
    channel.write(Unpooled.wrappedBuffer(new byte[] { 0 }));

    if (authMechanism == null) {
        authMechanism = new ExternalAuthMechanism();
    }
    CompletionStage<?> completionPromise = authClient.startAuth(channel, authMechanism);

    SwappableMessageConsumer swappableConsumer = new SwappableMessageConsumer(initialConsumer);
    completionPromise.toCompletableFuture().thenRun(() -> {
        channel.pipeline().replace("auth", "main", new DbusMainProtocol(swappableConsumer));
        log.trace("Pipeline is now {}", channel.pipeline());
    }).get();

    DbusChannelImpl dbusChannel = new DbusChannelImpl(channel, swappableConsumer);

    dbusChannel.write(MessageFactory.methodCall("/", "org.freedesktop.DBus", "org.freedesktop.DBus", "Hello"));

    return dbusChannel;
}

From source file:at.yawk.votifier.VotifierServerImpl.java

License:Mozilla Public License

public void init() {
    if (!initialized.compareAndSet(false, true)) {
        return;/*from   w  w  w  .  j  av a  2 s  .  com*/
    }

    logger.info("Initializing votifier server...");
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
                    logger.fine("Client disconnected.");
                }

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    handleError(cause);
                }

                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new VoteDecrypter(key)).addLast(new LineSplitter())
                            .addLast(new VoteDecoder()).addLast(new VersionEncoder())
                            .addLast(new ChannelInboundHandlerAdapter() {
                                @Override
                                public void channelRead(ChannelHandlerContext ctx, Object msg)
                                        throws Exception {
                                    if (!(msg instanceof Operation)) {
                                        return;
                                    }
                                    Operation operation = (Operation) msg;
                                    if (operation.getOperation().equals("VOTE")) {
                                        listener.accept(
                                                new VoteEvent(operation.getUsername(), operation.getService(),
                                                        operation.getAddress(), operation.getTimestamp()));
                                        ctx.channel().close();
                                    } else {
                                        throw new UnsupportedOperationException(operation.getOperation());
                                    }
                                }

                                @Override
                                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
                                        throws Exception {
                                    handleError(cause);
                                }
                            });

                    logger.info("Client connected: Sending version packet.");
                    ch.writeAndFlush(version);
                }
            });
}

From source file:basic.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO// w w w .ja  v a 2 s  .c  o  m
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();
        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

From source file:basic.TimeServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO/*  w w  w .j  a  v  a2  s . c om*/
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 1024).childHandler(new ChildChannelHandler());
        // ???
        ChannelFuture f = b.bind(port).sync();

        // ???
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:be.mil.ChatServer.netty.server.TCPServer.java

License:Apache License

public void start() {

    EventLoopGroup producer = new NioEventLoopGroup();
    EventLoopGroup consumer = new NioEventLoopGroup();

    try {//from  w ww  . jav  a2s. c o m
        Bootstrap bootstrapClient = new Bootstrap().group(new NioEventLoopGroup())
                .channel(NioSocketChannel.class).handler(new ClientAdapterInitializer());

        ServerBootstrap bootstrap = new ServerBootstrap().group(producer, consumer)
                .channel(NioServerSocketChannel.class).childHandler(serverAdapterInitializer);
        System.out.println("Server started");
        bootstrap.bind(port).sync().channel().closeFuture().sync();
        try {
            channel = bootstrapClient.connect(server, port).sync().channel();

            try {

                channel.write("Hi\n");
                channel.write("Hi\n");
                channel.flush();

            } catch (Exception e) {
                e.printStackTrace();
            } finally {

                bootstrap.group().shutdownGracefully();
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        producer.shutdownGracefully();
        consumer.shutdownGracefully();
    }

}

From source file:be.yildizgames.module.network.netty.factory.NettyFactory.java

License:MIT License

/**
 * Create a new client for Netty.//ww  w . j  ava 2 s .c  om
 *
 * @return A client implementation.
 */
static Client createClientNetty() {
    EventLoopGroup group = new NioEventLoopGroup();
    Bootstrap bootstrap = new Bootstrap().group(group).channel(NioSocketChannel.class);
    ClientNetty client = new WebSocketClientNetty(bootstrap);
    bootstrap.handler(
            new NettyChannelInitializer(new SimpleClientHandlerFactory(client, DecoderEncoder.WEBSOCKET)));
    return client;
}

From source file:be.yildizgames.module.network.netty.factory.NettyFactory.java

License:MIT License

/**
 * Create a new client for Netty./*from   ww  w .  j a v  a 2 s. com*/
 *
 * @return A client implementation.
 */
static Client createSimpleClientNetty() {
    EventLoopGroup group = new NioEventLoopGroup();
    Bootstrap bootstrap = new Bootstrap().group(group).channel(NioSocketChannel.class);
    ClientNetty client = new SimpleClientNetty(bootstrap);
    bootstrap.handler(
            new NettyChannelInitializer(new SimpleClientHandlerFactory(client, DecoderEncoder.STRING)));
    return client;
}

From source file:be.yildizgames.module.network.netty.server.ServerNetty.java

License:MIT License

/**
 * Create a new Netty server./*  w w  w. j a  v a 2  s  .  c o m*/
 *
 */
//@requires bootstrap != null.
//@requires port > 0 < 65535.
private ServerNetty() {
    super();

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    this.bootstrap = new ServerBootstrap().group(bossGroup, workerGroup).channel(NioServerSocketChannel.class);
    this.bootstrap.option(ChannelOption.TCP_NODELAY, true);
    this.bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
}

From source file:bean.lee.demo.netty.learn.http.file.HttpStaticFileServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*w ww.jav a 2s . co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new HttpStaticFileServerInitializer());

        b.bind(port).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}