Example usage for io.netty.channel EventLoopGroup shutdownGracefully

List of usage examples for io.netty.channel EventLoopGroup shutdownGracefully

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.channel.*
  5. EventLoopGroup
  6. shutdownGracefully

Introduction

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

Prototype

Future<?> shutdownGracefully();

Source Link

Document

Shortcut method for #shutdownGracefully(long,long,TimeUnit) with sensible default values.

Usage

From source file:ccwihr.client.t2.Http2Client.java

License:Apache License

public static void main(String[] args) throws Exception {
    //        // Configure SSL.
    //        final SslContext sslCtx;
    //        if (SSL) {
    //            SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
    //            sslCtx = SslContextBuilder.forClient()
    //                .sslProvider(provider)
    //                /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
    //                 * Please refer to the HTTP/2 specification for cipher requirements. */
    //                .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
    //                .trustManager(InsecureTrustManagerFactory.INSTANCE)
    //                .applicationProtocolConfig(new ApplicationProtocolConfig(
    //                    Protocol.ALPN,
    //                    // 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.HTTP_2,
    //                    ApplicationProtocolNames.HTTP_1_1))
    //                .build();
    //        } else {
    //            sslCtx = null;
    //        }/*  w w w. j av  a 2 s.  co m*/

    EventLoopGroup workerGroup = new NioEventLoopGroup();
    //        Http2ClientInitializer initializer = new Http2ClientInitializer(sslCtx, Integer.MAX_VALUE);
    Http2ClientInitializer initializer = new Http2ClientInitializer(null, Integer.MAX_VALUE);

    try {
        // 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.
        Channel channel = b.connect().syncUninterruptibly().channel();
        System.out.println("Connected to [" + HOST + ':' + PORT + ']');

        // Wait for the HTTP/2 upgrade to occur.
        Http2SettingsHandler http2SettingsHandler = initializer.settingsHandler();
        http2SettingsHandler.awaitSettings(5, TimeUnit.SECONDS);

        HttpResponseHandler responseHandler = initializer.responseHandler();
        int streamId = 3;
        HttpScheme scheme = SSL ? HttpScheme.HTTPS : HttpScheme.HTTP;
        AsciiString hostName = new AsciiString(HOST + ':' + PORT);
        System.err.println("Sending request(s)...");
        if (URL != null) {
            // Create a simple GET request.
            FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, GET, URL);
            request.headers().add(HttpHeaderNames.HOST, hostName);
            request.headers().add(HttpConversionUtil.ExtensionHeaderNames.SCHEME.text(), scheme.name());
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
            responseHandler.put(streamId, channel.writeAndFlush(request), channel.newPromise());
            streamId += 2;
        }
        if (URL2 != null) {
            // Create a simple POST request with a body.
            FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, POST, URL2,
                    Unpooled.copiedBuffer(URL2DATA.getBytes(CharsetUtil.UTF_8)));
            request.headers().add(HttpHeaderNames.HOST, hostName);
            request.headers().add(HttpConversionUtil.ExtensionHeaderNames.SCHEME.text(), scheme.name());
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
            responseHandler.put(streamId, channel.writeAndFlush(request), channel.newPromise());
            streamId += 2;
        }
        responseHandler.awaitResponses(5, TimeUnit.SECONDS);
        System.out.println("Finished HTTP/2 request(s)");

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

From source file:chapter01.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();

    try {// ww w .  ja v  a 2s .  co  m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new EchoClientHandler());
            }
        });

        ChannelFuture f = b.connect("localhost", 8888).sync();

        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:chapter10.WebSocketServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// www  .  j a  va  2 s . c o m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline pipeline = ch.pipeline();
                        pipeline.addLast("http-codec", new HttpServerCodec());
                        pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        pipeline.addLast("handler", new WebSocketServerHandler());
                    }
                });

        Channel ch = b.bind(port).sync().channel();
        System.out.println("Web socket server started at port " + port + '.');
        System.out.println("Open your browser and navigate to http://localhost:" + port + '/');

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

From source file:ChatClient.ChatClient.java

public void run() {
    EventLoopGroup group = new NioEventLoopGroup();

    try {//ww w. j  a  v  a2  s.c  o m
        Bootstrap bootstrap = new Bootstrap().group(group).channel(NioSocketChannel.class)
                .handler(new ChatClientInitializer());
        Channel channel = bootstrap.connect(host, PORT).sync().channel();
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

        while (true) {
            try {
                String line = in.readLine();
                channel.writeAndFlush(new StringMessage(0, 0, "Client", line));
                System.out.println("ECHO: " + line);
            } catch (IOException ex) {
                System.err.println("Writing error");
            }
        }
    } catch (InterruptedException ex) {
        System.err.println("Interrupt Error");
    } finally {
        group.shutdownGracefully();
    }
}

From source file:ChatServer.ChatServer.java

public void run() {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//from  w  w  w. j  a  v  a  2 s.  c om
        ServerBootstrap bootstrap = new ServerBootstrap().group(bossGroup, workerGroup)
                .channel(NioServerSocketChannel.class).childHandler(new ChatServerInitializer());

        bootstrap.bind(port).channel().closeFuture().sync();
    } catch (InterruptedException ex) {
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cl.uandes.so.server.LoginServer.java

public void killServer(EventLoopGroup group) throws InterruptedException {
    Thread.sleep(60000);
    group.shutdownGracefully();

}

From source file:cl.uandes.so.server.LoginServer.java

public void run() throws Exception {
    final EventLoopGroup group = new NioEventLoopGroup(); // (1)

    try {/* ww  w. jav a2 s .co m*/
        Thread t1 = new Thread(new Runnable() {
            public void run() {
                System.out.println("Login Server will stop in 60 seconds...");
                try {
                    Thread.sleep(10000);
                } catch (InterruptedException ex) {
                    Logger.getLogger(LoginServer.class.getName()).log(Level.SEVERE, null, ex);
                }
                group.shutdownGracefully();

            }
        });
        Thread t2 = new Thread(new Runnable() {
            public void run() {
                int counter = 1;
                while (counter < 10) {
                    System.out.println("Time : " + counter);
                    try {
                        Thread.sleep(1000);
                        counter++;
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        t1.start();
        t2.start();
        Bootstrap b = new Bootstrap(); // (2)
        b.group(group).channel(NioDatagramChannel.class) // (3)
                .option(ChannelOption.SO_BROADCAST, true).handler(new LoginServerHandler(multicastgroup));

        // Bind and start to accept incoming connections.
        b.bind(port).sync().channel().closeFuture().await(); // (7)

    } finally {
        group.shutdownGracefully();
    }
}

From source file:client.DiscardClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from   w w  w.  j a va2  s .c o m
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        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();
                if (sslCtx != null) {
                    p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                }
                p.addLast(new DiscardClientHandler());
            }
        });

        // Make the connection attempt.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:club.jmint.crossing.server.CrossingServer.java

License:Apache License

public void start() {
    //load configuration
    //ConfigWizard cw = (ConfigWizard)WizardManager.getWizard("ConfigWizard");
    ServerConfig config = (ServerConfig) ConfigWizard.getConfig(Constants.CONFIG_SERVER);
    this.address = config.getItem("server.bind_address");
    this.port = Integer.parseInt(config.getItem("server.port"));
    this.backlog = Integer.parseInt(config.getItem("server.backlog"));
    this.ssl = Boolean.parseBoolean(config.getItem("server.ssl"));

    //Configure SSL
    if (ssl) {/*from   w  ww  .  j  a  v  a 2 s. c  om*/
        try {
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
        } catch (Exception e) {
            CrossLog.printStackTrace(e);
        }
    } else {
        sslCtx = null;
    }

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

        // Start the server.
        ChannelFuture f = b.bind(port).sync();
        CrossLog.logger.info("Crossing Server started......");

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();

    } catch (InterruptedException e) {
        CrossLog.printStackTrace(e);
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
        CrossLog.logger.info("Crossing Server shutdown......");
    }
}

From source file:cn.ac.iscas.pebble.open.dc.nettyClient.NettyOracleClientPassRecord.java

public void operateOnTime() {
    TimerTask task = new TimerTask() {
        @Override/*from  ww  w .j  a va 2s . com*/
        public void run() {
            // TODO Auto-generated method stub
            EventLoopGroup group = new NioEventLoopGroup();
            int result = 0;
            try {
                Bootstrap b = new Bootstrap();
                b.group(group).channel(NioSocketChannel.class).handler(new nettyClientInitializer());

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

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

                //read mid file
                File file = new File(logMidFile);
                BufferedReader reader = null;
                Date dateStart = cc.getTime();
                String tmpString;
                try {
                    reader = new BufferedReader(new FileReader(file));
                    while ((tmpString = reader.readLine()) != null && tmpString.equals("") == false) {
                        Date dateTmp = sdf.parse(tmpString);
                        if (dateStart.compareTo(dateTmp) < 0)
                            dateStart = dateTmp;
                    }
                    System.out.println("start time from log file:" + dateStart);
                    //                     System.out.println("end time:"+dateEnd);
                } catch (IOException e) {
                    //e.printStackTrace();
                    System.out.println("IO/logPassRecord.txt" + " is not exit.");
                } catch (ParseException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                } finally {
                    if (reader != null) {
                        try {
                            reader.close();
                        } catch (IOException e1) {
                            e1.printStackTrace();
                        }
                    }
                }
                //set start and end time
                cc.setTime(dateStart);
                dataStartTime = sdf.format(cc.getTime());
                int min = cc.get(Calendar.MINUTE);
                cc.set(Calendar.MINUTE, min + intervalTime);
                dataEndTime = sdf.format(cc.getTime());

                //clean data
                CleanDataRealtime cleanDataRealtime = new CleanDataRealtime(propPathClean);
                cleanDataRealtime.setDataStartTime(dataStartTime);
                cleanDataRealtime.setDataEndTime(dataEndTime);
                cleanDataRealtime.cleanDataRealtime();
                mapCleanNetty = cleanDataRealtime.getMapClean();
                if (mapCleanNetty == null)
                    System.out.println("mapCleanNetty null");
                else
                    result = cleanAndSend(handler); // Request and get the response.
                // Close the connection.
                ch.close();

                //write txt file
                WriteTxtRealtime writeTxtRealtime = new WriteTxtRealtime();
                writeTxtRealtime.setMapCleanTxt(mapCleanNetty);
                writeTxtRealtime.setTxtFilePath(txtFileRootPath);
                writeTxtRealtime.setStrDateBegin(dataStartTime);
                writeTxtRealtime.WriteTxtRealtime();

            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } finally {
                group.shutdownGracefully();
            }

            if (result != 0) {
                try {
                    throw new Exception("send data fail.");
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    };

    Timer timer = new Timer();
    timer.schedule(task, cc.getTime(), intervalTime * 60 * 1000);
}