Example usage for io.netty.channel ChannelFuture channel

List of usage examples for io.netty.channel ChannelFuture channel

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Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

From source file:com.hop.hhxx.example.sctp.multihoming.SctpMultiHomingEchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from w  w w . j  a  v a 2s. com*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSctpChannel.class).option(SctpChannelOption.SCTP_NODELAY, true)
                .handler(new ChannelInitializer<SctpChannel>() {
                    @Override
                    public void initChannel(SctpChannel ch) throws Exception {
                        ch.pipeline().addLast(
                                //                             new LoggingHandler(LogLevel.INFO),
                                new SctpEchoClientHandler());
                    }
                });

        InetSocketAddress localAddress = new InetSocketAddress(CLIENT_PRIMARY_HOST, CLIENT_PORT);
        InetAddress localSecondaryAddress = InetAddress.getByName(CLIENT_SECONDARY_HOST);

        InetSocketAddress remoteAddress = new InetSocketAddress(SERVER_REMOTE_HOST, SERVER_REMOTE_PORT);

        // Bind the client channel.
        ChannelFuture bindFuture = b.bind(localAddress).sync();

        // Get the underlying sctp channel
        SctpChannel channel = (SctpChannel) bindFuture.channel();

        // Bind the secondary address.
        // Please note that, bindAddress in the client channel should be done before connecting if you have not
        // enable Dynamic Address Configuration. See net.sctp.addip_enable kernel param
        channel.bindAddress(localSecondaryAddress).sync();

        // Finish connect
        ChannelFuture connectFuture = channel.connect(remoteAddress).sync();

        // Wait until the connection is closed.
        connectFuture.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.hop.hhxx.example.sctp.multihoming.SctpMultiHomingEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w w w .j av a  2 s . c o m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioSctpServerChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SctpChannel>() {
                    @Override
                    public void initChannel(SctpChannel ch) throws Exception {
                        ch.pipeline().addLast(
                                //                             new LoggingHandler(LogLevel.INFO),
                                new SctpEchoServerHandler());
                    }
                });

        InetSocketAddress localAddress = new InetSocketAddress(SERVER_PRIMARY_HOST, SERVER_PORT);
        InetAddress localSecondaryAddress = InetAddress.getByName(SERVER_SECONDARY_HOST);

        // Bind the server to primary address.
        ChannelFuture bindFuture = b.bind(localAddress).sync();

        //Get the underlying sctp channel
        SctpServerChannel channel = (SctpServerChannel) bindFuture.channel();

        //Bind the secondary address
        ChannelFuture connectFuture = channel.bindAddress(localSecondaryAddress).sync();

        // Wait until the connection is closed.
        connectFuture.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.applet.AppletDiscardServer.java

License:Apache License

@Override
public void init() {
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();
    try {//  ww w.  j av a2 s.c  o  m
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(final SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new DiscardServerHandler());
                    }
                });
        ChannelFuture f = bootstrap.bind(9999).sync();
        f.channel().closeFuture().sync();
    } catch (Exception ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex);
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.echo.EchoClient.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {//from w  w  w.  java2  s  .c o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(final SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(
                                //new LoggingHandler(LogLevel.INFO),
                                new EchoClientHandler(firstMessageSize));
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.factorial.FactorialClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {//www  .  j a  v a 2 s .  c  o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new FactorialClientInitializer(count));

        // Make a new connection.
        ChannelFuture f = b.connect(host, port).sync();

        // Get the handler instance to retrieve the answer.
        FactorialClientHandler handler = (FactorialClientHandler) f.channel().pipeline().last();

        // Print out the answer.
        System.err.format("Factorial of %,d is: %,d", count, handler.getFactorial());
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.filetransfer.FileServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w  w w  .  j a v a  2 s  .co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(8192), new StringDecoder(CharsetUtil.UTF_8),
                                new FileHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.proxy.HexDumpProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    final Channel inboundChannel = ctx.channel();

    // Start the connection attempt.
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new HexDumpProxyBackendHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();
    f.addListener(new ChannelFutureListener() {
        @Override/*from   ww w  . j a v  a2  s . co m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // connection complete start to read first data
                inboundChannel.read();
            } else {
                // Close the connection if the connection attempt has failed.
                inboundChannel.close();
            }
        }
    });
}

From source file:com.hxr.javatone.concurrency.netty.official.rxtx.RxtxClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new OioEventLoopGroup();
    try {/* w w  w . j a  v a 2  s . c om*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(RxtxChannel.class).handler(new ChannelInitializer<RxtxChannel>() {
            @Override
            public void initChannel(RxtxChannel ch) throws Exception {
                ch.pipeline().addLast(new LineBasedFrameDecoder(32768), new StringEncoder(),
                        new StringDecoder(), new RxtxClientHandler());
            }
        });

        ChannelFuture f = b.connect(new RxtxDeviceAddress("/dev/ttyUSB0")).sync();

        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.ibasco.agql.core.transport.NettyTransport.java

License:Open Source License

/**
 * <p>A method to send data over the transport. Since the current netty version does not yet support {@link
 * CompletableFuture}, we need to convert the returned {@link ChannelFuture} to it's {@link CompletableFuture}
 * version.</p>/*from  w  w  w  .  j  a va 2 s .com*/
 *
 * @param channel
 *         The underlying {@link Channel} to be used for data transport.
 * @param data
 *         An instance of {@link AbstractMessage} that will be sent through the transport
 * @param flushImmediately
 *         True if transport should immediately flush the message after send.
 *
 * @return A {@link CompletableFuture} with return type of {@link Channel} (The channel used for the transport)
 */
private CompletableFuture<Void> writeToChannel(Channel channel, Msg data, boolean flushImmediately) {
    final CompletableFuture<Void> writeResultFuture = new CompletableFuture<>();
    log.debug("Writing data '{}' to channel : {}", data, channel);
    final ChannelFuture writeFuture = (flushImmediately) ? channel.writeAndFlush(data) : channel.write(data);
    writeFuture.addListener((ChannelFuture future) -> {
        try {
            if (future.isSuccess())
                writeResultFuture.complete(null);
            else
                writeResultFuture.completeExceptionally(future.cause());
        } finally {
            cleanupChannel(future.channel());
        }
    });
    return writeResultFuture;
}

From source file:com.ibasco.agql.core.transport.tcp.NettyBasicTcpTransport.java

License:Open Source License

@Override
public CompletableFuture<Channel> getChannel(M address) {
    final CompletableFuture<Channel> channelFuture = new CompletableFuture<>();
    ChannelFuture f = getBootstrap().connect(address.recipient());
    //Acquire from pool and listen for completion
    f.addListener((ChannelFuture future) -> {
        if (future.isSuccess()) {
            channelFuture.complete(future.channel());
        } else {/*  ww w .  j a  v a2s. com*/
            channelFuture.completeExceptionally(future.cause());
        }
    });
    return channelFuture;
}