Examples of EventLoopGroup

Examples of io.netty.channel.EventLoopGroup

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        }
    }

    private void acceptConnections(@Nonnull MixServerInitializer initializer, int port)
            throws InterruptedException {
        final EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        final EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.option(ChannelOption.SO_KEEPALIVE, true);
            b.group(bossGroup, workerGroup);
            b.channel(NioServerSocketChannel.class);
            b.handler(new LoggingHandler(LogLevel.INFO));
            b.childHandler(initializer);

            // Bind and start to accept incoming connections.
            ChannelFuture f = b.bind(port).sync();
            this.state = ServerState.RUNNING;

            // Wait until the server socket is closed.
            // In this example, this does not happen, but you can do that to gracefully
            // shut down your server.
            f.channel().closeFuture().sync();
        } finally {
            this.state = ServerState.STOPPING;
            workerGroup.shutdownGracefully();
            bossGroup.shutdownGracefully();
        }
    }
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Examples of io.netty.channel.EventLoopGroup

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        running.set(true);
       
        Thread thread = new Thread("UDP Network Listener") {
            public void run() {
                try {
                    EventLoopGroup group = new NioEventLoopGroup();
                    try {
                        Bootstrap bootstrap = new Bootstrap()
                                .group(group)
                                .channel(NioDatagramChannel.class)
                                .handler(UdpListenerService.this);
                       
                        // remember folks, this is blocking.
                        log.info(String.format("Binding to %s", addr.toString()));
                        bootstrap.bind(addr).sync().channel().closeFuture().await();
                       
                    } finally {
                        group.shutdownGracefully();
                        running.set(false);
                    }
                } catch (Exception ex) {
                    running.set(false);
                    log.error(ex.getMessage(), ex);
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Examples of io.netty.channel.EventLoopGroup

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    public void sendHerd(final InetSocketAddress addr, final int numPerSecond) {

        final int id = counter.incrementAndGet();
        final Timer timer = new Timer("UDP Broacast Timer " + id);
        final long period = 1000 / numPerSecond;
        final EventLoopGroup group = new NioEventLoopGroup();

        // My locator will be tentant_${id},udp_int_metric.
        final Locator locator = Locator.createLocatorFromPathComponents("tenant_" + id, "udp_int_metric");
        log.info("Sending metrics for {} starting {}", locator, System.currentTimeMillis());

        try {

            // netty UDP boilerplate.
            Bootstrap bootstrap = new Bootstrap()
                    .group(group)
                    .channel(NioDatagramChannel.class)
                    .handler(new SimpleChannelInboundHandler<DatagramPacket>() {
                        @Override
                        protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
                            System.err.println("SHOULD NOT BE GETTING MESSAGES");
                        }
                    });

            final Channel ch = bootstrap.bind(0).sync().channel();

            // we'll send the datagrams using a timer.
            TimerTask task = new TimerTask() {
                @Override
                public void run() {
                    try {
                        ch.writeAndFlush(
                            new DatagramPacket(Unpooled.copiedBuffer(UDPMetricSerialization.toBytes(nextMetrics(locator, rand.nextInt(20) + 1))), addr)
                        ).sync();
                    } catch (Exception ex) {
                        ex.printStackTrace(System.err);
                    }
                }

                @Override
                public boolean cancel() {
                    group.shutdownGracefully();
                    return true;
                }
            };

            // set things in motion.
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Examples of io.netty.channel.EventLoopGroup

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public class HttpSnoopServer {

  public HttpSnoopServer (FutureWeb fw) throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
      ServerBootstrap b = new ServerBootstrap();
      b.group(bossGroup, workerGroup)
        .channel(NioServerSocketChannel.class)
        .childHandler(new HttpSnoopServerInitializer(fw));

      Channel ch = b.bind(fw.host, fw.port).sync().channel();
      ch.closeFuture().sync();
    } finally {
      bossGroup.shutdownGracefully();
      workerGroup.shutdownGracefully();
    }
  }
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Examples of io.netty.channel.EventLoopGroup

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    this.defaultChannelInitializer = defaultChannelInitializer;
  }

  @Override
  public void run() {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();   
   
    try {
      ServerBootstrap b = new ServerBootstrap();
      b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(this.defaultChannelInitializer);

      ChannelFuture f = b.bind(localAddress).sync(); // Bind and start to accept incoming connections

      // Wait until the server socket is closed.
      // In this example, this does not happen, but you can do that to gracefully
      // shut down your server.
      f.channel().closeFuture().sync();
    } catch (InterruptedException ie) {
      LOGGER.error("Server interrupted: ", ie);
    } finally {
      workerGroup.shutdownGracefully();
      bossGroup.shutdownGracefully();
    }
  }
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Examples of io.netty.channel.EventLoopGroup

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                Arrays.asList(SelectedProtocol.SPDY_3_1.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                JettyNpnSslEngineWrapper.instance(),
                0, 0);

        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(HttpHeaders.Names.HOST, HOST);
            request.headers().set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.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 {
            if (workerGroup != null) {
                workerGroup.shutdownGracefully();
            }
        }
    }
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Examples of io.netty.channel.EventLoopGroup

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                Arrays.asList(SelectedProtocol.SPDY_3_1.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                JettyNpnSslEngineWrapper.instance(),
                0, 0);

        // Configure the server.
        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        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 SpdyServerInitializer(sslCtx));

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

            System.err.println("Open your SPDY-enabled web browser and navigate to https://127.0.0.1:" + PORT + '/');
            System.err.println("If using Chrome browser, check your SPDY sessions at chrome://net-internals/#spdy");

            ch.closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }
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Examples of io.netty.channel.EventLoopGroup

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                    0, 0);
        } 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 BinaryMemcacheClientCodec());
                            p.addLast(new BinaryMemcacheObjectAggregator(Integer.MAX_VALUE));
                            p.addLast(new MemcacheClientHandler());
                        }
                    });

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

            // Read commands from the stdin.
            System.out.println("Enter commands (quit to end)");
            System.out.println("get <key>");
            System.out.println("set <key> <value>");
            ChannelFuture lastWriteFuture = null;
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            for (;;) {
                String line = in.readLine();
                if (line == null) {
                    break;
                }
                if ("quit".equals(line.toLowerCase())) {
                    ch.close().sync();
                    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.sync();
            }
        } finally {
            group.shutdownGracefully();
        }
    }
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Examples of io.netty.channel.EventLoopGroup

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            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } 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),
                             new WebSocketClientCompressionHandler(),
                             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();
        }
    }
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Examples of io.netty.channel.EventLoopGroup

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        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();
        }
    }
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