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:com.flysoloing.learning.network.netty.http2.tiles.Launcher.java

License:Apache License

public static void main(String[] args) {
    EventLoopGroup group = new NioEventLoopGroup();
    Http2Server http2 = new Http2Server(group);
    HttpServer http = new HttpServer(group);
    try {//from  ww w.  ja v a2 s.  com
        http2.start();
        System.err.println(
                "Open your web browser and navigate to " + "http://" + Html.IP + ":" + HttpServer.PORT);
        http.start().sync();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        group.shutdownGracefully();
    }
}

---

From source file:com.flysoloing.learning.network.netty.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 DefaultEventLoopGroup();
    EventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
    try {//from w  w  w  .  ja v  a2 s. c o m
        // 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.flysoloing.learning.network.netty.qotm.QuoteOfTheMomentClient.java

License:Apache License

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

    EventLoopGroup group = new NioEventLoopGroup();
    try {//from   ww  w  . j a  v  a 2  s  .c  o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentClientHandler());

        Channel ch = b.bind(0).sync().channel();

        // Broadcast the QOTM request to port 8080.
        ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                SocketUtils.socketAddress("255.255.255.255", PORT))).sync();

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
        // response is received.  If the channel is not closed within 5 seconds,
        // print an error message and quit.
        if (!ch.closeFuture().await(5000)) {
            System.err.println("QOTM request timed out.");
        }
    } finally {
        group.shutdownGracefully();
    }
}

---

From source file:com.flysoloing.learning.network.netty.qotm.QuoteOfTheMomentServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*  w w w. j  av a2 s  .  c om*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentServerHandler());

        b.bind(PORT).sync().channel().closeFuture().await();
    } finally {
        group.shutdownGracefully();
    }
}

---

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   ww  w. j  a va 2 s  . 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.spdy.client.SpdyClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
            .applicationProtocolConfig(new ApplicationProtocolConfig(Protocol.NPN,
                    // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                    SelectorFailureBehavior.NO_ADVERTISE,
                    // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                    SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.SPDY_3_1,
                    ApplicationProtocolNames.HTTP_1_1))
            .build();// w ww.j  a v a2 s.  com

    HttpResponseClientHandler httpResponseHandler = new HttpResponseClientHandler();
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.remoteAddress(HOST, PORT);
        b.handler(new SpdyClientInitializer(sslCtx, httpResponseHandler));

        // Start the client.
        Channel channel = b.connect().syncUninterruptibly().channel();
        System.out.println("Connected to " + HOST + ':' + PORT);

        // Create a GET request.
        HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "");
        request.headers().set(HttpHeaderNames.HOST, HOST);
        request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);

        // Send the GET request.
        channel.writeAndFlush(request).sync();

        // Waits for the complete HTTP response
        httpResponseHandler.queue().take().sync();
        System.out.println("Finished SPDY HTTP GET");

        // Wait until the connection is closed.
        channel.close().syncUninterruptibly();
    } finally {
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.flysoloing.learning.network.netty.telnet.TelnetClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from w  ww.j  a v a  2 s .c  o  m
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new TelnetClientInitializer(sslCtx));

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

        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line + "\r\n");

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

        // 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.worldclock.WorldClockClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from   w  ww .ja v a2s.  c o m*/
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new WorldClockClientInitializer(sslCtx));

        // Make a new connection.
        Channel ch = b.connect(HOST, PORT).sync().channel();

        // Get the handler instance to initiate the request.
        WorldClockClientHandler handler = ch.pipeline().get(WorldClockClientHandler.class);

        // Request and get the response.
        List<String> response = handler.getLocalTimes(CITIES);

        // Close the connection.
        ch.close();

        // Print the response at last but not least.
        for (int i = 0; i < CITIES.size(); i++) {
            System.out.format("%28s: %s%n", CITIES.get(i), response.get(i));
        }
    } finally {
        group.shutdownGracefully();
    }
}

---

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  w w w  .  j a va 2 s  . com
        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();
    }
}

---

From source file:com.fruit.core.socket.SocketServer.java

License:Apache License

public SocketServer(int port, ChannelHandler channelHander) {
    ServerBootstrap b = new ServerBootstrap();
    try {//from   w  ww  . ja v a  2 s . c o m
        b.group(new NioEventLoopGroup(), new NioEventLoopGroup()).channel(NioServerSocketChannel.class)
                .childHandler(new FruitServerPipelineFactory());
        b.bind(port).sync().channel().closeFuture().sync();
    } catch (Exception e) {
        logger.error("SocketServer", e);
    } finally {
        b.shutdown();
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• »