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.spotify.netty4.handler.codec.zmtp.EndToEndTest.java

License:Apache License

private Channel bind(final SocketAddress address, final ChannelHandler codec, final ChannelHandler handler) {
    final ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(new NioEventLoopGroup(1), new NioEventLoopGroup());
    bootstrap.channel(NioServerSocketChannel.class);
    bootstrap.childHandler(new ChannelInitializer<NioSocketChannel>() {
        @Override//from w w w .ja  va2 s .c  om
        protected void initChannel(final NioSocketChannel ch) throws Exception {
            ch.pipeline().addLast(codec, handler);
        }
    });
    return bootstrap.bind(address).awaitUninterruptibly().channel();
}

From source file:com.spotify.netty4.handler.codec.zmtp.EndToEndTest.java

License:Apache License

private Channel connect(final SocketAddress address, final ChannelHandler codec, final ChannelHandler handler) {
    final Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(new NioEventLoopGroup());
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.handler(new ChannelInitializer<NioSocketChannel>() {
        @Override//from w ww  . ja  v a2  s .  c o m
        protected void initChannel(final NioSocketChannel ch) throws Exception {
            ch.pipeline().addLast(codec, handler);
        }
    });
    return bootstrap.connect(address).awaitUninterruptibly().channel();
}

From source file:com.spotify.netty4.handler.codec.zmtp.ProtocolViolationTests.java

License:Apache License

@Before
public void setup() {
    final ServerBootstrap serverBootstrap = new ServerBootstrap();
    serverBootstrap.channel(NioServerSocketChannel.class);
    bossGroup = new NioEventLoopGroup(1);
    group = new NioEventLoopGroup();
    serverBootstrap.group(bossGroup, group);
    serverBootstrap.childHandler(new ChannelInitializer<NioSocketChannel>() {
        @Override//from w w w  .j  a v a2 s  .co  m
        protected void initChannel(final NioSocketChannel ch) throws Exception {
            ch.pipeline().addLast(
                    ZMTPCodec.builder().protocol(ZMTP20).socketType(ROUTER).localIdentity(identity).build(),
                    mockHandler);
        }
    });

    serverChannel = serverBootstrap.bind(new InetSocketAddress("localhost", 0)).awaitUninterruptibly()
            .channel();
    serverAddress = (InetSocketAddress) serverChannel.localAddress();
}

From source file:com.spotify.netty4.handler.codec.zmtp.ProtocolViolationTests.java

License:Apache License

@Theory
public void protocolErrorsCauseException(@TestedOn(ints = { 16, 17, 27, 32, 48, 53 }) final int payloadSize)
        throws Exception {
    final Bootstrap b = new Bootstrap();
    b.group(new NioEventLoopGroup());
    b.channel(NioSocketChannel.class);
    b.handler(new ChannelInitializer<NioSocketChannel>() {
        @Override//from  ww w.  j  ava 2s .  c  om
        protected void initChannel(final NioSocketChannel ch) throws Exception {
            ch.pipeline().addLast(new MockHandler());
        }
    });

    final Channel channel = b.connect(serverAddress).awaitUninterruptibly().channel();

    final ByteBuf payload = Unpooled.buffer(payloadSize);
    for (int i = 0; i < payloadSize; i++) {
        payload.writeByte(0);
    }
    channel.writeAndFlush(payload);

    mockHandler.active.get(5, SECONDS);
    mockHandler.exception.get(5, SECONDS);
    mockHandler.inactive.get(5, SECONDS);
    assertFalse(mockHandler.handshaked);
    assertFalse(mockHandler.read);
}

From source file:com.springapp.mvc.netty.example.http.websocketx.client.WebSocketClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    URI uri = new URI(URL);
    String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
    final String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
    final int port;
    if (uri.getPort() == -1) {
        if ("http".equalsIgnoreCase(scheme)) {
            port = 80;/*from  www. j a  v a2s. co m*/
        } else if ("https".equalsIgnoreCase(scheme)) {
            port = 443;
        } else {
            port = -1;
        }
    } else {
        port = uri.getPort();
    }

    if (!"ws".equalsIgnoreCase(scheme) && !"wss".equalsIgnoreCase(scheme)) {
        System.err.println("Only WS(S) is supported.");
        return;
    }

    final boolean ssl = "wss".equalsIgnoreCase(scheme);
    final SslContext sslCtx;
    if (ssl) {
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        // 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()));

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) {
                ChannelPipeline p = ch.pipeline();
                if (sslCtx != null) {
                    p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
                }
                p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler);
            }
        });

        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.wrappedBuffer(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.springapp.mvc.netty.example.localecho.LocalEcho.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Address to bind on / connect to.
    final LocalAddress addr = new LocalAddress(PORT);

    EventLoopGroup serverGroup = new LocalEventLoopGroup();
    EventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
    try {//from  w w w  .  j av  a  2  s .com
        // Note that we can use any event loop to ensure certain local channels
        // are handled by the same event loop thread which drives a certain socket channel
        // to reduce the communication latency between socket channels and local channels.
        ServerBootstrap sb = new ServerBootstrap();
        sb.group(serverGroup).channel(LocalServerChannel.class)
                .handler(new ChannelInitializer<LocalServerChannel>() {
                    @Override
                    public void initChannel(LocalServerChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));
                    }
                }).childHandler(new ChannelInitializer<LocalChannel>() {
                    @Override
                    public void initChannel(LocalChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoServerHandler());
                    }
                });

        Bootstrap cb = new Bootstrap();
        cb.group(clientGroup).channel(LocalChannel.class).handler(new ChannelInitializer<LocalChannel>() {
            @Override
            public void initChannel(LocalChannel ch) throws Exception {
                ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoClientHandler());
            }
        });

        // Start the server.
        sb.bind(addr).sync();

        // Start the client.
        Channel ch = cb.connect(addr).sync().channel();

        // Read commands from the stdin.
        System.out.println("Enter text (quit to end)");
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null || "quit".equalsIgnoreCase(line)) {
                break;
            }

            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line);
        }

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

From source file:com.squareup.okhttp.benchmarks.NettyHttpClient.java

License:Apache License

@Override
public void prepare(final Benchmark benchmark) {
    this.concurrencyLevel = benchmark.concurrencyLevel;
    this.targetBacklog = benchmark.targetBacklog;

    ChannelInitializer<SocketChannel> channelInitializer = new ChannelInitializer<SocketChannel>() {
        @Override//from   w  w w.ja  v  a2 s.  co  m
        public void initChannel(SocketChannel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();

            if (benchmark.tls) {
                SSLContext sslContext = SslContextBuilder.localhost();
                SSLEngine engine = sslContext.createSSLEngine();
                engine.setUseClientMode(true);
                pipeline.addLast("ssl", new SslHandler(engine));
            }

            pipeline.addLast("codec", new HttpClientCodec());
            pipeline.addLast("inflater", new HttpContentDecompressor());
            pipeline.addLast("handler", new HttpChannel(channel));
        }
    };

    bootstrap = new Bootstrap();
    bootstrap.group(new NioEventLoopGroup(concurrencyLevel))
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).channel(NioSocketChannel.class)
            .handler(channelInitializer);
}

From source file:com.srotya.linea.network.InternalTCPTransportServer.java

License:Apache License

public void init() throws Exception {
    final SslContext sslCtx;
    if (SSL) {/* w w w.  j a va2  s  .com*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup(1);

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    if (sslCtx != null) {
                        p.addLast(sslCtx.newHandler(ch.alloc()));
                    }
                    p.addLast(new LoggingHandler(LogLevel.INFO));
                    p.addLast(new KryoObjectEncoder());
                    p.addLast(new KryoObjectDecoder());
                    p.addLast(new IWCHandler(null)); //TODO add router
                }

            }).bind(Inet4Address.getByName("localhost"), 9999).sync().channel().closeFuture().await();

}

From source file:com.srotya.linea.network.InternalUDPTransportClient.java

License:Apache License

public void init() throws Exception {
    NetworkInterface iface = NetworkUtils.selectDefaultIPAddress(false);
    Inet4Address address = NetworkUtils.getIPv4Address(iface);
    // logger.info("Selected default interface:" + iface.getName() + "\twith
    // address:" + address.getHostAddress());

    EventLoopGroup workerGroup = new NioEventLoopGroup(2);
    Bootstrap b = new Bootstrap();
    channel = b.group(workerGroup).channel(NioDatagramChannel.class).handler(new ChannelInitializer<Channel>() {

        @Override//  w w w . ja  v a2s  . co m
        protected void initChannel(Channel ch) throws Exception {
            ch.pipeline();
        }
    }).bind(address, port).sync().channel();

    // workerGroup.shutdownGracefully().sync();
}

From source file:com.srotya.linea.network.InternalUDPTransportServer.java

License:Apache License

public void start() throws Exception {
    NetworkInterface iface = NetworkUtils.selectDefaultIPAddress(false);
    Inet4Address address = NetworkUtils.getIPv4Address(iface);
    EventLoopGroup workerGroup = new NioEventLoopGroup(4);

    Bootstrap b = new Bootstrap();
    channel = b.group(workerGroup).channel(NioDatagramChannel.class).option(ChannelOption.SO_RCVBUF, 1024 * 10)
            .handler(new ChannelInitializer<Channel>() {

                @Override/*from   www.j a va  2s  .c  om*/
                protected void initChannel(Channel ch) throws Exception {
                    ch.pipeline().addLast(new KryoDatagramDecoderWrapper()).addLast(new IWCHandler(router));
                }
            }).bind(address, port).sync().channel();
}