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.

Prototype

ChannelInitializer

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Usage

From source file:com.guowl.websocket.client.WebSocketClientRunner.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from  w ww .ja  v  a 2  s.  c  o  m*/
        // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
        // If you change it to V00, ping is not supported and remember to change
        // HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
        final WebSocketClientHandler handler = new WebSocketClientHandler(WebSocketClientHandshakerFactory
                .newHandshaker(uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders()));

        final String protocol = uri.getScheme();
        int defaultPort;
        ChannelInitializer<SocketChannel> initializer;

        // Normal WebSocket
        if ("ws".equals(protocol)) {
            initializer = new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("http-codec", new HttpClientCodec())
                            .addLast("aggregator", new HttpObjectAggregator(8192))
                            .addLast("ws-handler", handler);
                }
            };

            defaultPort = 80;
            // Secure WebSocket
        } else if ("wss".equals(protocol)) {
            initializer = new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    SSLEngine engine = WebSocketSslClientContextFactory.getContext().createSSLEngine();
                    engine.setUseClientMode(true);

                    ch.pipeline().addFirst("ssl", new SslHandler(engine))
                            .addLast("http-codec", new HttpClientCodec())
                            .addLast("aggregator", new HttpObjectAggregator(8192))
                            .addLast("ws-handler", handler);
                }
            };

            defaultPort = 443;
        } else {
            throw new IllegalArgumentException("Unsupported protocol: " + protocol);
        }

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(initializer);

        int port = uri.getPort();
        // If no port was specified, we'll try the default port: https://tools.ietf.org/html/rfc6455#section-1.7
        if (uri.getPort() == -1) {
            port = defaultPort;
        }

        Channel ch = b.connect(uri.getHost(), port).sync().channel();
        handler.handshakeFuture().sync();

        BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
        while (true) {
            String msg = console.readLine();
            if (msg == null) {
                break;
            } else if ("bye".equals(msg.toLowerCase())) {
                ch.writeAndFlush(new CloseWebSocketFrame());
                ch.closeFuture().sync();
                break;
            } else if ("ping".equals(msg.toLowerCase())) {
                WebSocketFrame frame = new PingWebSocketFrame(Unpooled.copiedBuffer(new byte[] { 8, 1, 8, 1 }));
                ch.writeAndFlush(frame);
            } else {
                WebSocketFrame frame = new TextWebSocketFrame(msg);
                ch.writeAndFlush(frame);
            }
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.guowl.websocket.stream.client.StreamClientRunner.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from   ww w . j a v a  2s . c o m*/
        // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08
        // or V00.
        // If you change it to V00, ping is not supported and remember to
        // change
        // HttpResponseDecoder to WebSocketHttpResponseDecoder in the
        // pipeline.
        final StreamClientHandler handler = new StreamClientHandler(WebSocketClientHandshakerFactory
                .newHandshaker(uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders()));

        final String protocol = uri.getScheme();
        int defaultPort;
        ChannelInitializer<SocketChannel> initializer;

        // Normal WebSocket
        if ("ws".equals(protocol)) {
            initializer = new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("http-codec", new HttpClientCodec())
                            .addLast("aggregator", new HttpObjectAggregator(8192))
                            .addLast("ws-handler", handler);
                }
            };

            defaultPort = 80;
            // Secure WebSocket
        } else {
            throw new IllegalArgumentException("Unsupported protocol: " + protocol);
        }

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(initializer);

        int port = uri.getPort();
        // If no port was specified, we'll try the default port:
        if (uri.getPort() == -1) {
            port = defaultPort;
        }

        Channel ch = b.connect(uri.getHost(), port).sync().channel();
        handler.handshakeFuture().sync();
        ByteBuf dataBuf = ch.alloc().buffer();
        dataBuf.writeBytes("start".getBytes());
        ch.writeAndFlush(new BinaryWebSocketFrame(false, 0, dataBuf));
        ch.writeAndFlush(new ContinuationWebSocketFrame(true, 0, "end"));
        Thread.sleep(1000 * 60 * 60);
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.gxkj.demo.netty.discard.DiscardServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from  ww w. j a va  2s  .  com*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new DiscardServerHandler());
                    }
                });

        // Bind and start to accept incoming connections.
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        // In this example, this does not happen, but you can do that to gracefully
        // shut down your server.
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.gxkj.demo.netty.echo.EchoClient.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    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).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(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.gxkj.demo.netty.echo.EchoServer.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  . jav  a2  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 LoggingHandler(LogLevel.INFO),
                                new EchoServerHandler());
                    }
                });

        // 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.gxkj.demo.netty.uptime.UptimeClient.java

License:Apache License

Bootstrap configureBootstrap(Bootstrap b, EventLoopGroup g) {
    b.group(g).channel(NioSocketChannel.class).remoteAddress(host, port)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override//from   w w  w.j av  a  2  s .c o m
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new IdleStateHandler(READ_TIMEOUT, 0, 0), handler);
                }
            });

    return b;
}

From source file:com.hazelcast.openshift.TunnelClient.java

License:Open Source License

public ServerBootstrap createBootstrap(int localPort) throws Exception {
    System.out.println(/*from w  w w.  ja va2 s  .  co  m*/
            "Creating clientside plain-socket: (" + localPort + ") => (" + httpHost + ":" + httpPort + ")");
    return new ServerBootstrap().option(ChannelOption.SO_BACKLOG, 20).group(getBossGroup(), getWorkerGroup())
            .channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {

                @Override
                protected void initChannel(SocketChannel channel) throws Exception {
                    ChannelPipeline pipeline = channel.pipeline();
                    pipeline.addLast(new TunnelServerConnector(getWorkerGroup(), httpHost, httpPort, httpSsl));
                }
            });

}

From source file:com.hazelcast.openshift.TunnelClientAcceptor.java

License:Open Source License

protected Bootstrap createBootstrap(Channel socket) {
    return new Bootstrap().channel(NioSocketChannel.class).group(workerGroup)
            .option(ChannelOption.TCP_NODELAY, true).handler(new ChannelInitializer<SocketChannel>() {

                @Override//  w w w. j a v  a 2 s.  c  o  m
                protected void initChannel(SocketChannel channel) throws Exception {
                    System.out.println("Configure plain-socket: (" + socket + ") => (" + forwardHost + ":"
                            + forwardPort + ")");
                    ChannelPipeline pipeline = channel.pipeline();
                    pipeline.addLast(new ProxyForwardHandler(socket));
                }
            });
}

From source file:com.hazelcast.openshift.TunnelServer.java

License:Open Source License

@Override
protected ServerBootstrap createBootstrap(int localPort) throws Exception {
    SslContext sslContext;/*  w  ww .  j  a v  a2 s  .  c  o m*/
    if (!ssl) {
        sslContext = null;

    } else {
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslContext = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    }

    System.out.println("Creating serverside http-socket: (" + localPort + ") => (" + forwardHost + ":"
            + forwardPort + ")");
    return new ServerBootstrap().option(ChannelOption.SO_BACKLOG, 20).group(getBossGroup(), getWorkerGroup())
            .channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {

                @Override
                protected void initChannel(SocketChannel channel) throws Exception {
                    ChannelPipeline pipeline = channel.pipeline();
                    if (sslContext != null) {
                        pipeline.addLast("ssl", sslContext.newHandler(channel.alloc()));
                    }
                    pipeline.addLast("http-codec", new HttpServerCodec());
                    pipeline.addLast(new TunnelClientAcceptor(getWorkerGroup(), forwardHost, forwardPort));
                }
            });

}

From source file:com.hazelcast.openshift.TunnelServerConnector.java

License:Open Source License

protected Bootstrap createBootstrap(Channel socket, Promise promise) throws Exception {
    SslContext sslContext;/*w  w w .j av  a  2  s . c  om*/
    if (!ssl) {
        sslContext = null;

    } else {
        sslContext = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    }

    return new Bootstrap().channel(NioSocketChannel.class).group(workerGroup)
            .option(ChannelOption.TCP_NODELAY, true).handler(new ChannelInitializer<SocketChannel>() {

                @Override
                protected void initChannel(SocketChannel channel) throws Exception {
                    System.out.println(
                            "Configure plain-socket: (" + socket + ") => (" + httpHost + ":" + httpPort + ")");
                    ChannelPipeline pipeline = channel.pipeline();
                    if (sslContext != null) {
                        pipeline.addLast("ssl", sslContext.newHandler(channel.alloc()));
                    }
                    pipeline.addLast("http-codec", new HttpClientCodec());
                    pipeline.addLast(new TunnelServerAcceptor(socket, promise));
                }
            });
}