Example usage for io.netty.bootstrap Bootstrap Bootstrap

Introduction

In this page you can find the example usage for io.netty.bootstrap Bootstrap Bootstrap.

Prototype

public Bootstrap() 

Source Link

Usage

From source file:WorldClockClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*w  w  w. ja  v a  2  s .c o m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new WorldClockClientInitializer());

        // 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();
        group.shutdownGracefully();
        /*
         // Print the response at last but not least.
         Iterator<String> i1 = cities.iterator();
         Iterator<String> i2 = response.iterator();
         while (i1.hasNext()) {
         System.out.format("%28s: %s%n", i1.next(), i2.next());
         }*/
    } finally {
        group.shutdownGracefully();
    }
}

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From source file:UdpServer.java

License:Open Source License

public void run() throws Exception {
    final NioEventLoopGroup group = new NioEventLoopGroup();
    //Create Actor System
    final ActorSystem system = ActorSystem.create("CapwapFSMActorSystem");
    final ActorRef PacketProcessorActor = system
            .actorOf(Props.create(CapwapMsgProcActor.class, "MessageProcessorActor"), "MessageProcessorActor");
    try {/*  w w  w  .j ava  2  s.c  om*/
        final Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new ChannelInitializer<NioDatagramChannel>() {
                    @Override
                    public void initChannel(final NioDatagramChannel ch) throws Exception {

                        ChannelPipeline p = ch.pipeline();
                        createActorAndHandler(p);
                        //p.addLast(new IncommingPacketHandler(PacketProcessorActor));
                    }
                });

        // Bind and start to accept incoming connections.
        Integer pPort = port;
        InetAddress address = InetAddress.getLoopbackAddress();
        System.out.printf("\n\nwaiting for message %s %s\n\n", String.format(pPort.toString()),
                String.format(address.toString()));
        b.bind(address, port).sync().channel().closeFuture().await();

    } finally {
        System.out.print("In Server Finally");
    }
}

---

From source file:NettyBootSpeedTest.java

@Test
public void testBoot() throws InterruptedException {
    long start = System.currentTimeMillis();

    Bootstrap bootstrap = new Bootstrap();
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.group(new NioEventLoopGroup());
    bootstrap.handler(new ChannelHandlerAdapter() {
    });//  ww  w .  jav  a  2s  .c o  m

    long mid = System.currentTimeMillis();

    bootstrap.bind(10000).await();
    bootstrap.connect("localhost", 10000).await();

    long end = System.currentTimeMillis();
    System.out.println("Setup took " + (mid - start) + " ms");
    System.out.println("Boot took " + (end - start) + " ms");
}

---

From source file:TelnetClient.java

License:Apache License

public static void main(String args[]) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {// www . j  a  va 2s .  com
        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));

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

        // If user typed the 'bye' command, wait until the server closes
        // the connection.

        // ch.closeFuture().sync();

        // Wait until all messages are flushed before closing the channel.
        /*if (lastWriteFuture != null) {
        lastWriteFuture.sync();
        }*/
    } finally {
        group.shutdownGracefully();
    }
}

---

From source file:MultiThreadClient.java

License:Apache License

public void run() throws Exception {
    try {//from ww w  . j  a v  a2 s  .c  o  m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelDuplexHandler() {
                    @Override
                    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                        System.out.println(
                                index + "-??:" + msg + "Read:" + Thread.currentThread());
                    }

                    @Override
                    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
                            throws Exception {
                        ChannelFuture future = ctx.writeAndFlush(msg, promise);
                        System.out.println(index + "-Write:" + Thread.currentThread());
                        Thread.yield();
                        Thread.yield();
                        future.addListener(new ChannelFutureListener() {
                            @Override
                            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                                System.out.println(index + "-Listener" + "Lintener:"
                                        + Thread.currentThread());
                            }
                        });
                    }
                });

        // Make the connection attempt.
        ChannelFuture f = b.connect(host, port).sync();
        for (int i = 0; i < 10; i++) {
            f.channel().writeAndFlush(Unpooled.wrappedBuffer(new byte[10]));
        }
        // Wait until the connection is closed.

        f.channel().closeFuture();
    } finally {
        //group.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) {//from  ww w.ja  v a2 s  .  c  o  m
        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:HttpUploadClient.java

License:Apache License

public void run() throws Exception {
    String postSimple, postFile, get;
    if (baseUri.endsWith("/")) {
        postSimple = baseUri + "formpost";
        postFile = baseUri + "formpostmultipart";
        get = baseUri + "formget";
    } else {/*w  w w.  ja  v  a 2 s .c  o  m*/
        postSimple = baseUri + "/formpost";
        postFile = baseUri + "/formpostmultipart";
        get = baseUri + "/formget";
    }
    URI uriSimple;
    try {
        uriSimple = new URI(postSimple);
    } catch (URISyntaxException e) {
        logger.log(Level.WARNING, "Invalid URI syntax", e);
        return;
    }
    String scheme = uriSimple.getScheme() == null ? "http" : uriSimple.getScheme();
    String host = uriSimple.getHost() == null ? "localhost" : 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)) {
        logger.log(Level.WARNING, "Only HTTP(S) is supported.");
        return;
    }

    boolean ssl = "https".equalsIgnoreCase(scheme);

    URI uriFile;
    try {
        uriFile = new URI(postFile);
    } catch (URISyntaxException e) {
        logger.log(Level.WARNING, "Error: ", e);
        return;
    }
    File file = new File(filePath);
    if (!file.canRead()) {
        logger.log(Level.WARNING, "A correct path is needed");
        return;
    }

    // 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(ssl));

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

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

---

From source file:NettyHttpTransportSourceHandler.java

License:Apache License

/**
 * activating registered handler to accept events.
 *
 * @param ctx/*  w w  w .j  a  va 2 s . c  om*/
 * @throws Exception
 */
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {

    final Channel inboundChannel = ctx.channel();

    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass());
    b.handler(new NettyTargetHandlerInitilizer(inboundChannel)).option(ChannelOption.AUTO_READ, false);

    b.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    b.option(ChannelOption.TCP_NODELAY, true);
    b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 15000);

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

    ChannelFuture f = b.connect(NettyHttpListner.HOST, NettyHttpListner.HOST_PORT);

    outboundChannel = f.channel();
    f.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // connection complete start to read first data
                inboundChannel.read();
            } else {
                // Close the connection if the connection attempt has failed.
                inboundChannel.close();
            }
        }
    });

}

---

From source file:FSMTester.java

License:Open Source License

public void run() throws Exception {
    final NioEventLoopGroup group = new NioEventLoopGroup();
    //Create Actor System
    final ActorSystem system = ActorSystem.create("CapwapFSMActorSystem");
    final ActorRef PacketProcessorActor = system
            .actorOf(Props.create(CapwapMsgProcActor.class, "MessageProcessorActor"), "MessageProcessorActor");
    try {/*from  w  w w .  ja va  2s.  co m*/
        final Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new ChannelInitializer<NioDatagramChannel>() {
                    @Override
                    public void initChannel(final NioDatagramChannel ch) throws Exception {

                        ChannelPipeline p = ch.pipeline();
                        p.addLast(new IncommingPacketFSMHandler(PacketProcessorActor));
                    }
                });

        // Bind and start to accept incoming connections.
        Integer pPort = port;
        InetAddress address = InetAddress.getLoopbackAddress();
        System.out.printf("\n\nwaiting for message %s %s\n\n", String.format(pPort.toString()),
                String.format(address.toString()));
        b.bind(address, port).sync().channel().closeFuture().await();

    } finally {
        System.out.print("In Server Finally");
    }
}

---

From source file:afred.javademo.proxy.rpc.ObjectEchoClient.java

License:Apache License

public void start(String host, int port) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {// ww w  .  j  a v a2s  .  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 ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                        new ObjectEchoClientHandler());
            }
        });

        channel = b.connect(host, port).sync().channel();
    } finally {

    }
}

---

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