Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

List of usage examples for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

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Introduction

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

Prototype

public NioEventLoopGroup(ThreadFactory threadFactory)

Source Link

Document

Create a new instance using the default number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:MyNettyServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from   w w  w  . j  ava 2 s .  co m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } else {
        sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler())
                .childHandler(new ServerInitializer(sslCtx));

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

        System.out.println("Open your web browser and navigate to " + (SSL ? "https" : "http") + "://127.0.0.1:"
                + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }

}

From source file:nwses.java

License:Open Source License

/**
 * Main//from   ww  w .  ja  v  a2 s  .  co m
 * @param args Optional command-line parameters for server port and tag
 * @throws Exception 
 */
public static void main(String[] args) throws Exception {
    final int port;
    final String tag;

    boolean SSL = false;

    if (args.length == 0) {
        port = 80;
        tag = "server1";
    } else if (args.length == 1) {
        if (isValidPortNumber(args[0])) {
            port = Integer.parseInt(args[0]);
            tag = "server1";
        } else {
            return;
        }
    } else {
        if (isValidPortNumber(args[0])) {
            port = Integer.parseInt(args[0]);
            tag = args[1];
        } else {
            return;
        }

    }

    // If port 443 is specified to be used, use SSL.
    if (port == 443) {
        SSL = true;
        System.out.println("Websocket secure connection server initialized.");
    }

    final SslContext sslCtx;
    if (SSL) {
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.TRACE))
                .childHandler(new WebSocketServerInitializer(sslCtx, tag));

        System.out.println("Server: " + tag + " started at port: " + port + " \n");

        Channel chnl = b.bind(port).sync().channel();
        chnl.closeFuture().sync();

    } catch (Exception e) { //Catch exceptions e.g. trying to open second server on same port
        System.err.println("Caught exception: " + e.getMessage());
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
        System.out.println("Server closed..");
    }
}

From source file:HttpSnoopServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    SslContext sslCtx = null;/*  ww  w. ja  va  2 s  .c om*/

    try {
        File certChainFile = new File("/Users/hyecheon/netty.cst");
        File keyFile = new File("/Users/hyecheon/privatekey.pem");
        keyFile.exists();
        sslCtx = SslContext.newServerContext(certChainFile, keyFile, "HELLO");
    } catch (SSLException e) {
        e.printStackTrace();
        System.out.println("Can not create SSL context! \n Server will be stop!");
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new HttpSnoopServerInitializer(sslCtx));

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

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:NNIOEngine.java

License:Apache License

@Override
public ResponseEntity<String> submit(JCurlRequestOptions requestOptions) throws Exception {
    int ioWorkerCount = Runtime.getRuntime().availableProcessors() * 2;
    NioEventLoopGroup eventLoopGroup = new NioEventLoopGroup(ioWorkerCount);

    try {/*from  w  w w  . j av  a2 s . c om*/
        final Netty4ClientHttpRequestFactory netty4ClientHttpRequestFactory = new Netty4ClientHttpRequestFactory(
                eventLoopGroup);
        netty4ClientHttpRequestFactory.setConnectTimeout(2000);
        netty4ClientHttpRequestFactory.setReadTimeout(2000);
        /*
                    SslContext sslContext = SslContextBuilder
        .forClient()
        .sslProvider(SslProvider.JDK)
        .build()
                    ;
        */
        if (requestOptions.getUrl().toLowerCase().startsWith("https://")) {
            SslContext sslContext = new DefaultClientSslContext();
            netty4ClientHttpRequestFactory.setSslContext(sslContext);
        }
        netty4ClientHttpRequestFactory.afterPropertiesSet();

        ResponseEntity<String> stringResponseEntity = null;
        for (int i = 0; i < requestOptions.getCount(); i++) {
            final HttpHeaders headers = new HttpHeaders();
            for (Map.Entry<String, String> e : requestOptions.getHeaderMap().entrySet()) {
                headers.put(e.getKey(), Collections.singletonList(e.getValue()));
            }

            final HttpEntity<Void> requestEntity = new HttpEntity<>(headers);

            AsyncRestTemplate template = new AsyncRestTemplate(netty4ClientHttpRequestFactory);
            final ListenableFuture<ResponseEntity<String>> exchange = template.exchange(requestOptions.getUrl(),
                    HttpMethod.GET, requestEntity, String.class);
            stringResponseEntity = exchange.get();
            System.out.println(stringResponseEntity.getBody());
        }
        return stringResponseEntity;
    } finally {
        eventLoopGroup.shutdownGracefully(100, 500, TimeUnit.MILLISECONDS);
    }
}

From source file:NettyHttpListner.java

License:Apache License

public void start() {

    System.out.println("Starting the server...");
    System.out.println("Starting Inbound Http Listner on Port " + this.port);

    // Configure SSL.
    SslContext sslCtx = null;/* w ww .  java2  s  . c  o  m*/
    if (SSL) {
        try {
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } catch (CertificateException ex) {
            Logger.getLogger(NettyHttpListner.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SSLException ex) {
            Logger.getLogger(NettyHttpListner.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    commonEventLoopGroup = new NioEventLoopGroup(bossGroupSize);
    //        bossGroup = new NioEventLoopGroup(bossGroupSize);
    //        workerGroup = new NioEventLoopGroup(workerGroupSize);

    try {
        ServerBootstrap b = new ServerBootstrap();

        //            b.commonEventLoopGroup(bossGroup, workerGroup)
        b.group(commonEventLoopGroup).channel(NioServerSocketChannel.class)
                .childHandler(
                        new NettyHttpTransportHandlerInitializer(HOST, HOST_PORT, maxConnectionsQueued, sslCtx))
                .childOption(ChannelOption.AUTO_READ, false);

        b.option(ChannelOption.TCP_NODELAY, true);
        b.childOption(ChannelOption.TCP_NODELAY, true);

        b.option(ChannelOption.SO_BACKLOG, maxConnectionsQueued);

        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 15000);

        b.option(ChannelOption.SO_SNDBUF, 1048576);
        b.option(ChannelOption.SO_RCVBUF, 1048576);
        b.childOption(ChannelOption.SO_RCVBUF, 1048576);
        b.childOption(ChannelOption.SO_SNDBUF, 1048576);

        b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

        Channel ch = null;
        try {
            ch = b.bind(port).sync().channel();
            ch.closeFuture().sync();
            System.out.println("Inbound Listner Started");
        } catch (InterruptedException e) {
            System.out.println("Exception caught");
        }
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:NettyServer.java

License:Open Source License

void start() throws Exception {
    parentGroup = new NioEventLoopGroup(1);
    childGroup = new NioEventLoopGroup();

    ServerBootstrap bootstrap = new ServerBootstrap().group(parentGroup, childGroup)
            .channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//from  www .  j a v  a2  s.c  o m
                protected void initChannel(SocketChannel channel) throws Exception {
                    ChannelPipeline pipeline = channel.pipeline();

                    pipeline.addLast("lineFrame", new LineBasedFrameDecoder(256));
                    pipeline.addLast("decoder", new StringDecoder());
                    pipeline.addLast("encoder", new StringEncoder());

                    pipeline.addLast("handler", new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelActive(ChannelHandlerContext ctx) throws Exception {
                            Channel channel = ctx.channel();
                            channelActiveHandler.accept(channel);
                        }

                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                            messageConsumer.accept(msg);
                        }
                    });
                }
            });
    channel = bootstrap.bind(port).channel();
    System.out.println("NettyServer started");
}

From source file:HttpRouterServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    Router<String> router = new Router<String>().GET(PUBLIC_DIR + ":id", "public").GET("/", "index")
            .GET(PUBLIC_DIR, "index")
            //            .GET("/image", "base64")
            //            .GET("/img", "image")
            //            .GET("/",             "Index page")
            //            .GET("/articles/:id", "Article show page")
            .notFound("404 Not Found");
    System.out.println(router);//  w  w  w.ja v a  2  s.  c  o  m

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

    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).childOption(ChannelOption.TCP_NODELAY, java.lang.Boolean.TRUE)
                .childOption(ChannelOption.SO_KEEPALIVE, java.lang.Boolean.TRUE)
                .channel(NioServerSocketChannel.class).childHandler(new HttpRouterServerInitializer(router));

        Channel ch = b.bind(PORT).sync().channel();
        System.out.println("Server started: http://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:Http2Server.java

License:Apache License

public static void main(String... args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from  w ww  .  j ava 2s.co m
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey(), null, null,
                Arrays.asList(SelectedProtocol.HTTP_2.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                0, 0);
    } else {
        sslCtx = null;
    }
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup(1);
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new Http2ServerInitializer(sslCtx));

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

        System.err.println("Open your HTTP/2-enabled web browser and navigate to " + (SSL ? "https" : "http")
                + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:Http2Client.java

License:Apache License

public Http2Client(final String host, final int port, final boolean ssl) throws Exception {
    this.host = host;
    this.port = port;
    this.ssl = ssl;

    // Configure SSL.
    if (ssl) {//w w w .ja v a 2 s . com
        this.sslCtx = SslContext.newClientContext(null, InsecureTrustManagerFactory.INSTANCE, null,
                Arrays.asList(SelectedProtocol.HTTP_2.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                0, 0);
    } else {
        this.sslCtx = null;
    }

    // XXX (dano): Http2Connection does not seem to be thread safe, use one thread only
    this.workerGroup = new NioEventLoopGroup(1);
    Http2ClientInitializer initializer = new Http2ClientInitializer(sslCtx);

    // Configure the client.
    Bootstrap b = new Bootstrap();
    b.group(workerGroup);
    b.channel(NioSocketChannel.class);
    b.option(ChannelOption.SO_KEEPALIVE, true);
    b.remoteAddress(host, port);
    b.handler(initializer);

    // Start the client.
    this.channel = b.connect().syncUninterruptibly().channel();
    System.out.println("Connected to [" + host + ':' + port + ']');

    // Wait for the HTTP/2 upgrade to occur.
    this.connectionHandler = initializer.connectionHandler();
    connectionHandler.awaitInitialization();
}

From source file:adalightserver.http.HttpServer.java

License:Apache License

public HttpServer(IController ledController) {
    this.bossGroup = new NioEventLoopGroup(1);
    this.clientGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors());
    this.scheduler = Schedulers.from(bossGroup);
    this.connections = new DefaultChannelGroup(bossGroup.next());
    this.wsConnections = new DefaultChannelGroup(bossGroup.next());

    this.ledController = ledController;
}