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()

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:cloudeventbus.client.EventBusImpl.java

License:Open Source License

EventBusImpl(Connector connector) {
    if (connector.servers.size() == 0) {
        throw new IllegalArgumentException("No servers were specified to connect to.");
    }// www.  ja v a  2  s.c  om

    id = connector.id;

    servers.addServers(connector.servers);
    autoReconnect = connector.autoReconnect;
    reconnectWaitTime = connector.reconnectWaitTime;

    shutDownEventLoop = connector.eventLoopGroup == null;
    eventLoopGroup = shutDownEventLoop ? new NioEventLoopGroup() : connector.eventLoopGroup;
    maxMessageSize = connector.maxMessageSize;

    certificateChain = connector.certificateChain;
    privateKey = connector.privateKey;
    trustStore = connector.trustStore;

    listeners = new ArrayList<>(connector.listeners);

    executor = connector.callbackExecutor;

    connect();
}

From source file:club.jmint.crossing.client.CrossingClient.java

License:Apache License

public void startup() throws CrossException {
    SslContext sslCtx = null;/*w  w  w  .  j av a2s.c o  m*/
    if (isSSLEnabled) {
        try {
            sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        } catch (Exception e) {
            CrossLog.printStackTrace(e);
            throw new CrossException(ErrorCode.CROSSING_ERR_CLIENT_STARTUP.getCode(),
                    ErrorCode.CROSSING_ERR_CLIENT_STARTUP.getInfo());
        }
    } else {
        sslCtx = null;
    }

    // Configure the client.
    group = new NioEventLoopGroup();
    try {
        bs = new Bootstrap();
        bs.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ClientChannelInitializer(sslCtx, chandler));

        // Start the client.
        cf = bs.connect(ip, port).sync();
        channel = cf.channel();

        // Wait until the connection is closed.
        //f.channel().closeFuture().sync();
    } catch (Exception e) {
        CrossLog.printStackTrace(e);
        throw new CrossException(ErrorCode.CROSSING_ERR_CLIENT_STARTUP.getCode(),
                ErrorCode.CROSSING_ERR_CLIENT_STARTUP.getInfo());

        //System.exit(-1);;
    } finally {
        // Shut down the event loop to terminate all threads.
        //group.shutdownGracefully();
    }

    ccall = new CrossingCall(cf, chandler, config);
    CrossLog.logger.info("Crossing Client started.");
}

From source file:club.lovety.xy.netty.test.UptimeClient.java

License:Apache License

private static Bootstrap configureBootstrap(Bootstrap b) {
    return configureBootstrap(b, new NioEventLoopGroup());
}

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

public void operateOnTime() {
    TimerTask task = new TimerTask() {
        @Override/*w ww. ja va  2  s . c om*/
        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);
}

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

public void operateOnTime() {
    TimerTask task = new TimerTask() {
        @Override/*w ww  .j  a va2 s .  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("IO/logMidPassRecordData.txt");
                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 + 2);
                dataEndTime = sdf.format(cc.getTime());

                //clean data
                String propPath = "src/cn/ac/iscas/pebble/open/dc/cleanData/propPassRecordClean.properties";
                //                String DataStartTime = "2013-10-02 00:00:00";
                //                String DataEndTime = "2013-10-02 00:35:00";
                //                  String propPath = "src/cn/ac/iscas/pebble/propPassRecordClean.properties";
                CleanDataRealtime cleanDataRealtime = new CleanDataRealtime(propPath);
                cleanDataRealtime.setDataStartTime(dataStartTime);
                cleanDataRealtime.setDataEndTime(dataEndTime);
                cleanDataRealtime.cleanDataRealtime();
                mapCleanNetty = cleanDataRealtime.getMapClean();
                if (mapCleanNetty == null)
                    System.out.println("mapCleanNetty null");
                // Request and get the response.
                result = readDBandSend(handler);
                // Close the connection.
                ch.close();

                //write txt file
                WriteTxtRealtime writeTxtRealtime = new WriteTxtRealtime();
                writeTxtRealtime.setMapCleanTxt(mapCleanNetty);
                writeTxtRealtime.setTxtFilePath("/oracledisk");
                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(), 2 * 60 * 1000);
}

From source file:cn.david.main.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.git
    final SslContext sslCtx;
    if (SSL) {// w  ww .  j a va 2 s.c om
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        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 {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoClientHandler());
                    }
                });

        // 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:cn.dennishucd.nettyhttpserver.HttpServer.java

License:Apache License

public void start(String host, int port) throws Exception {
    //create a reactor thread pool for NIO acceptor
    EventLoopGroup bossGroup = new NioEventLoopGroup();

    //create a reactor thread pool for NIO handler
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*  w w  w  .j a  v  a2 s.  c o m*/
        ServerBootstrap b = new ServerBootstrap();

        b.option(ChannelOption.SO_BACKLOG, 1024);

        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new PushServerInitializer());

        ChannelFuture f = b.bind(host, port).sync();

        logger.info("The http server is started on " + host + ":" + port);

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

From source file:cn.npt.net.websocket.WebSocketClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    URI uri = new URI(URL);
    String scheme = uri.getScheme() == null ? "ws" : uri.getScheme();
    final String host = uri.getHost() == null ? "192.168.20.71" : uri.getHost();
    final int port;
    if (uri.getPort() == -1) {
        if ("ws".equalsIgnoreCase(scheme)) {
            port = 80;/*  ww w. j a v  a 2s  .co m*/
        } else if ("wss".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 BaseWebSocketClientHandler handler = new EchoWebSocketClientHandler(
                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:cn.pengj.udpdemo.EchoServer.java

License:Open Source License

public static void main(String[] args) throws InterruptedException {
    Bootstrap b = new Bootstrap();
    EventLoopGroup group = new NioEventLoopGroup();
    b.group(group).channel(NioDatagramChannel.class)
            //         .option(ChannelOption.SO_BROADCAST, true)
            .handler(new EchoSeverHandler());

    // ??9999?/*  w  ww .j  av  a  2 s . c  o m*/
    b.bind(9999).sync().channel().closeFuture().await();
}

From source file:cn.wcl.test.netty.HttpUploadClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    String postSimple, postFile, get;
    if (BASE_URL.endsWith("/")) {
        postSimple = BASE_URL + "formpost";
        postFile = BASE_URL + "formpostmultipart";
        get = BASE_URL + "formget";
    } else {/*from   w  w  w  .j  a v  a2 s  . co m*/
        postSimple = BASE_URL + "/formpost";
        postFile = BASE_URL + "/formpostmultipart";
        get = BASE_URL + "/formget";
    }

    URI uriSimple = new URI(postSimple);
    String scheme = uriSimple.getScheme() == null ? "http" : uriSimple.getScheme();
    String host = uriSimple.getHost() == null ? "127.0.0.1" : uriSimple.getHost();
    int port = uriSimple.getPort();
    if (port == -1) {
        if ("http".equalsIgnoreCase(scheme)) {
            port = 80;
        } else if ("https".equalsIgnoreCase(scheme)) {
            port = 443;
        }
    }

    if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
        System.err.println("Only HTTP(S) is supported.");
        return;
    }

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

    URI uriFile = new URI(postFile);
    File file = new File(FILE);
    if (!file.canRead()) {
        throw new FileNotFoundException(FILE);
    }

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();

    // setup the factory: here using a mixed memory/disk based on size threshold
    HttpDataFactory factory = new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE); // Disk if MINSIZE exceed

    DiskFileUpload.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
    DiskFileUpload.baseDirectory = null; // system temp directory
    DiskAttribute.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
    DiskAttribute.baseDirectory = null; // system temp directory

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

        // Simple Get form: no factory used (not usable)
        List<Entry<String, String>> headers = formget(b, host, port, get, uriSimple);
        if (headers == null) {
            factory.cleanAllHttpData();
            return;
        }

        // Simple Post form: factory used for big attributes
        List<InterfaceHttpData> bodylist = formpost(b, host, port, uriSimple, file, factory, headers);
        if (bodylist == null) {
            factory.cleanAllHttpData();
            return;
        }

        // Multipart Post form: factory used
        formpostmultipart(b, host, port, uriFile, factory, headers, bodylist);
    } finally {
        // Shut down executor threads to exit.
        group.shutdownGracefully();

        // Really clean all temporary files if they still exist
        factory.cleanAllHttpData();
    }
}