Example usage for io.netty.channel ChannelInitializer ChannelInitializer

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

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

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ChannelInitializer

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Usage

From source file:com.flysoloing.learning.network.netty.redis.RedisClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from   w w w.ja va 2s  .com*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new RedisDecoder());
                p.addLast(new RedisBulkStringAggregator());
                p.addLast(new RedisArrayAggregator());
                p.addLast(new RedisEncoder());
                p.addLast(new RedisClientHandler());
            }
        });

        // Start the connection attempt.
        Channel ch = b.connect(HOST, PORT).sync().channel();

        // Read commands from the stdin.
        System.out.println("Enter Redis commands (quit to end)");
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            final String input = in.readLine();
            final String line = input != null ? input.trim() : null;
            if (line == null || "quit".equalsIgnoreCase(line)) { // EOF or "quit"
                ch.close().sync();
                break;
            } else if (line.isEmpty()) { // skip `enter` or `enter` with spaces.
                continue;
            }
            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line);
            lastWriteFuture.addListener(new GenericFutureListener<ChannelFuture>() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        System.err.print("write failed: ");
                        future.cause().printStackTrace(System.err);
                    }
                }
            });
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.bytes.ByteEchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure the client.
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.BYTE_PROVIDER);
    try {//from   w ww.j  a  v  a2 s. c  o  m
        final Bootstrap boot = new Bootstrap();
        boot.group(connectGroup).channelFactory(NioUdtProvider.BYTE_CONNECTOR)
                .handler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    public void initChannel(final UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new ByteEchoClientHandler());
                    }
                });
        // Start the client.
        final ChannelFuture f = boot.connect(HOST, PORT).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        connectGroup.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.bytes.ByteEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    final ThreadFactory acceptFactory = new DefaultThreadFactory("accept");
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup acceptGroup = new NioEventLoopGroup(1, acceptFactory, NioUdtProvider.BYTE_PROVIDER);
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.BYTE_PROVIDER);

    // Configure the server.
    try {/*from  w  w w. ja v  a 2 s  .  c o  m*/
        final ServerBootstrap boot = new ServerBootstrap();
        boot.group(acceptGroup, connectGroup).channelFactory(NioUdtProvider.BYTE_ACCEPTOR)
                .option(ChannelOption.SO_BACKLOG, 10).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    public void initChannel(final UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new ByteEchoServerHandler());
                    }
                });
        // Start the server.
        final ChannelFuture future = boot.bind(PORT).sync();
        // Wait until the server socket is closed.
        future.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        acceptGroup.shutdownGracefully();
        connectGroup.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.message.MsgEchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {

    // Configure the client.
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.MESSAGE_PROVIDER);
    try {//w  w  w  . j  av a2  s  . co  m
        final Bootstrap boot = new Bootstrap();
        boot.group(connectGroup).channelFactory(NioUdtProvider.MESSAGE_CONNECTOR)
                .handler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    public void initChannel(final UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new MsgEchoClientHandler());
                    }
                });
        // Start the client.
        final ChannelFuture f = boot.connect(HOST, PORT).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        connectGroup.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.message.MsgEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    final ThreadFactory acceptFactory = new DefaultThreadFactory("accept");
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup acceptGroup = new NioEventLoopGroup(1, acceptFactory,
            NioUdtProvider.MESSAGE_PROVIDER);
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.MESSAGE_PROVIDER);

    // Configure the server.
    try {/*from  w w  w. j av  a 2s .co  m*/
        final ServerBootstrap boot = new ServerBootstrap();
        boot.group(acceptGroup, connectGroup).channelFactory(NioUdtProvider.MESSAGE_ACCEPTOR)
                .option(ChannelOption.SO_BACKLOG, 10).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    public void initChannel(final UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new MsgEchoServerHandler());
                    }
                });
        // Start the server.
        final ChannelFuture future = boot.bind(PORT).sync();
        // Wait until the server socket is closed.
        future.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        acceptGroup.shutdownGracefully();
        connectGroup.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.rendezvous.MsgEchoPeerBase.java

License:Apache License

public void run() throws Exception {
    // Configure the peer.
    final ThreadFactory connectFactory = new DefaultThreadFactory("rendezvous");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.MESSAGE_PROVIDER);
    try {//from   w  w  w . j  a  v  a2s.  c o  m
        final Bootstrap boot = new Bootstrap();
        boot.group(connectGroup).channelFactory(NioUdtProvider.MESSAGE_RENDEZVOUS)
                .handler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    public void initChannel(final UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO),
                                new MsgEchoPeerHandler(messageSize));
                    }
                });
        // Start the peer.
        final ChannelFuture f = boot.connect(peer, self).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        connectGroup.shutdownGracefully();
    }
}

From source file:com.flysoloing.learning.network.netty.udt.echo.rendezvousBytes.ByteEchoPeerBase.java

License:Apache License

public void run() throws Exception {
    final ThreadFactory connectFactory = new DefaultThreadFactory("rendezvous");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory,
            NioUdtProvider.BYTE_PROVIDER);
    try {/* w w w  . ja  v  a 2s .c om*/
        final Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(connectGroup).channelFactory(NioUdtProvider.BYTE_RENDEZVOUS)
                .handler(new ChannelInitializer<UdtChannel>() {
                    @Override
                    protected void initChannel(UdtChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO),
                                new ByteEchoPeerHandler(messageSize));
                    }
                });
        final ChannelFuture future = bootstrap.connect(peerAddress, myAddress).sync();
        future.channel().closeFuture().sync();
    } finally {
        connectGroup.shutdownGracefully();
    }
}

From source file:com.foilen.smalltools.net.netty.NettyClient.java

License:Open Source License

public void connect(String hostname, int port, final RSATrustedCertificates trustedCertificates,
        final RSACertificate certificate, final List<ChannelHandlerContainer> channelHandlerContainers) {

    AssertTools.assertNull(channel, "Client is already connected");

    try {/*from w ww  . j  a  v a 2 s .  co m*/
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(NettyCommon.EVENT_LOOP_GROUP);
        bootstrap.channel(NioSocketChannel.class);
        bootstrap.option(ChannelOption.SO_KEEPALIVE, true);

        bootstrap.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel socketChannel) throws Exception {

                // Add sslCtx if needed
                if (trustedCertificates != null || certificate != null) {
                    TrustManagerFactory trustManagerFactory = trustedCertificates == null ? null
                            : RSATools.createTrustManagerFactory(trustedCertificates);
                    KeyManagerFactory keyManagerFactory = certificate == null ? null
                            : RSATools.createKeyManagerFactory(certificate);

                    CipherSuiteFilter cipherFilter = IdentityCipherSuiteFilter.INSTANCE;
                    SslContext sslCtx = SslContext.newClientContext(SslProvider.JDK, null, trustManagerFactory,
                            null, null, null, keyManagerFactory, null, cipherFilter, null, 0, 0);
                    socketChannel.pipeline().addLast(sslCtx.newHandler(socketChannel.alloc()));
                }

                // Add the channel handlers
                for (ChannelHandlerContainer channelHandlerContainer : channelHandlerContainers) {
                    socketChannel.pipeline()
                            .addLast(ReflectionTools.instantiate(
                                    channelHandlerContainer.getChannelHandlerClass(),
                                    channelHandlerContainer.getConstructorParams()));
                }

            }
        });

        logger.info("Connecting to {}:{}", hostname, port);
        channel = bootstrap.connect(hostname, port).sync().channel();
    } catch (InterruptedException e) {
        logger.info("Connection to {}:{} was interrupted while being created", hostname, port);
        throw new SmallToolsException("Connection was interrupted");
    }

}

From source file:com.foilen.smalltools.net.netty.NettyServer.java

License:Open Source License

/**
 * Start the server./* w  w  w  .j  a v a  2  s  . c  om*/
 *
 * @param port
 *            the port to listen on (0 for a random port ; get it with {@link #getPort()})
 * @param trustedCertificates
 *            (optional) the certificate to trust connections from
 * @param certificate
 *            (optional) the server's certificate
 * @param channelHandlerContainers
 *            the channel handlers for the incoming connections
 */
public void start(final int port, final RSATrustedCertificates trustedCertificates,
        final RSACertificate certificate, final List<ChannelHandlerContainer> channelHandlerContainers) {

    AssertTools.assertNull(thread, "Server is already started");

    final CountDownLatch countDownLatch = new CountDownLatch(1);
    thread = new Thread(() -> {
        try {
            ServerBootstrap serverBootstrap = new ServerBootstrap();
            serverBootstrap.group(NettyCommon.EVENT_LOOP_GROUP, NettyCommon.EVENT_LOOP_GROUP);
            serverBootstrap.channel(NioServerSocketChannel.class);

            serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {

                @Override
                protected void initChannel(SocketChannel socketChannel) throws Exception {

                    InetSocketAddress remoteAddress = socketChannel.remoteAddress();
                    logger.info("Got a connection from {}:{}", remoteAddress.getHostName(),
                            remoteAddress.getPort());

                    // Add sslCtx if needed
                    if (trustedCertificates != null || certificate != null) {
                        TrustManagerFactory trustManagerFactory = trustedCertificates == null ? null
                                : RSATools.createTrustManagerFactory(trustedCertificates);
                        KeyManagerFactory keyManagerFactory = certificate == null ? null
                                : RSATools.createKeyManagerFactory(certificate);

                        CipherSuiteFilter cipherFilter = IdentityCipherSuiteFilter.INSTANCE;
                        SslContext sslCtx = SslContext.newServerContext(SslProvider.JDK, null,
                                trustManagerFactory, null, null, null, keyManagerFactory, null, cipherFilter,
                                null, 0, 0);
                        SslHandler sslHandler = sslCtx.newHandler(socketChannel.alloc());

                        if (trustManagerFactory == null) {
                            logger.debug("Will not verify client's identity");
                        } else {
                            logger.debug("Will verify client's identity");
                            SSLEngine sslEngine = sslHandler.engine();
                            sslEngine.setNeedClientAuth(true);
                        }

                        socketChannel.pipeline().addLast(sslHandler);
                    }

                    // Add the channel handlers
                    for (ChannelHandlerContainer channelHandlerContainer : channelHandlerContainers) {
                        socketChannel.pipeline()
                                .addLast(ReflectionTools.instantiate(
                                        channelHandlerContainer.getChannelHandlerClass(),
                                        channelHandlerContainer.getConstructorParams()));
                    }
                }
            }) //
                    .option(ChannelOption.SO_BACKLOG, 128) //
                    .childOption(ChannelOption.SO_KEEPALIVE, true);

            bindedPort = port;
            logger.info("Server on port {} is starting...", port);
            ChannelFuture channelFuture = serverBootstrap.bind(port).sync();
            SocketAddress socketAddress = channelFuture.channel().localAddress();
            if (socketAddress instanceof InetSocketAddress) {
                InetSocketAddress inetSocketAddress = (InetSocketAddress) socketAddress;
                bindedPort = inetSocketAddress.getPort();
            }
            logger.info("Server on port {} is started", bindedPort);
            countDownLatch.countDown();
            channelFuture.channel().closeFuture().sync();
        } catch (InterruptedException e) {
            logger.info("Server on port {} is interrupted", bindedPort);
        } finally {
            countDownLatch.countDown();
        }
        logger.info("Server on port {} is stopped", bindedPort);
    });
    thread.setName("Netty Server-" + bindedPort);
    thread.start();

    try {
        countDownLatch.await();
    } catch (InterruptedException e) {
        logger.error("Interrupted while waiting for the server to start");
    }
}

From source file:com.frank.netty.protocol.http.fileServer.HttpFileServer.java

License:Apache License

public void run(final int port, final String url) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  ww w  .  j  a v  a2 s  .  c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("fileServerHandler", new HttpFileServerHandler(url));
                    }
                });
        ChannelFuture future = b.bind("192.168.1.102", port).sync();
        System.out.println(
                "HTTP??? : " + "http://192.168.1.102:" + port + url);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}