Example usage for io.netty.channel ChannelFuture sync

List of usage examples for io.netty.channel ChannelFuture sync

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Introduction

In this page you can find the example usage for io.netty.channel ChannelFuture sync.

Prototype

@Override
    ChannelFuture sync() throws InterruptedException;

Source Link

Usage

From source file:com.qq.servlet.demo.netty.sample.telnet.TelnetClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*  w ww . j ava2  s .c o  m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new TelnetClientInitializer());

        // Start the connection attempt.
        Channel ch = b.connect(host, port).sync().channel();
        ch.writeAndFlush("askfjasfljaslfsajl");
        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

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

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

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

From source file:com.qq.servlet.demo.netty.telnet.client.TelnetClient.java

License:Apache License

private void test(Bootstrap b, int i) throws InterruptedException {
    // Start the connection attempt.
    Channel ch = b.connect(host, port).sync().channel();

    String body = "[" + i + "]aaaaaaa" + Thread.currentThread().getName() + "aaaaa";

    AttributeKey<String> key = AttributeKey.valueOf("ASYNC_CONTEXT");
    Attribute<String> attr = ch.attr(key);
    String andSet = attr.getAndSet(Thread.currentThread().getName());
    System.out.println(andSet);/*from w  w  w . ja v a  2 s .  co  m*/

    ChannelFuture lastWriteFuture = ch.writeAndFlush(body + "\r\n");
    // Wait until all messages are flushed before closing the channel.
    if (lastWriteFuture != null) {
        lastWriteFuture.sync();
    }
}

From source file:com.qq.servlet.demo.thrift.netty.client.NettyThriftClient.java

License:Apache License

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

        // Start the connection attempt.
        ChannelFuture future = b.connect(host, port);
        ChannelFuture sync = future.sync();
        Channel ch = sync.channel();

        AttributeKey<String> key = AttributeKey.valueOf("ASYNC_CONTEXT");
        Attribute<String> attr = ch.attr(key);
        String andSet = attr.getAndSet(Thread.currentThread().getName());

        TMemoryBuffer transportr = new TMemoryBuffer(1024);
        TProtocol protocol = new TBinaryProtocol(transportr);
        TMultiplexedProtocol multiProtocol3 = new TMultiplexedProtocol(protocol,
                IdGenService.class.getSimpleName());
        IdGenService.Client aoClient = new IdGenService.Client(multiProtocol3);
        IdGenReq req = new IdGenReq();
        req.setTableName("t_lottery_append_task-----------");
        req.setSource(andSet);
        aoClient.send_idGen(req);
        int length = transportr.length();
        byte[] buf = new byte[length];
        transportr.read(buf, 0, length);
        System.out.println(Arrays.toString(buf));

        ChannelFuture lastWriteFuture = ch.writeAndFlush(buf);
        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }

        System.in.read();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.sixmac.imspeak.app.SecureChatClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/* ww w .  j  a  v  a  2  s.  com*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new SecureChatClientInitializer());

        // 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));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

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

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}

From source file:com.sunan.van.client.TestVanClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from ww  w .  j a  v  a2 s.  c  o m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new TelnetClientInitializer());

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

        register(DEFAULT_TOPIC, ch);
        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

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

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

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

From source file:com.tc.websocket.server.DominoWebSocketServer.java

License:Apache License

@Override
public synchronized void start() {

    if (this.isOn())
        return;/*from w  w  w .  j av a  2  s.c o  m*/

    try {
        try {

            ServerBootstrap boot = new ServerBootstrap();

            if (cfg.isNativeTransport()) {
                boot.channel(EpollServerSocketChannel.class);
            } else {
                boot.channel(NioServerSocketChannel.class);
            }

            boot.group(bossGroup, workerGroup).option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                    .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                    .childOption(ChannelOption.WRITE_BUFFER_WATER_MARK,
                            new WriteBufferWaterMark(8 * 1024, 32 * 1024))
                    .childOption(ChannelOption.SO_SNDBUF, cfg.getSendBuffer())
                    .childOption(ChannelOption.SO_RCVBUF, cfg.getReceiveBuffer())
                    .childOption(ChannelOption.TCP_NODELAY, true).childHandler(init);

            //bind to the main port
            boot.bind(cfg.getPort()).sync();

            //bind to the redirect port (e.g. 80 will redirect to 443)
            for (Integer port : cfg.getRedirectPorts()) {
                ChannelFuture f = boot.bind(port);
                f.sync();
            }

            this.on.set(true);

            String version = BundleUtils.getVersion(Activator.bundle);
            String name = BundleUtils.getName(Activator.bundle);
            cfg.print(name + " ready and listening on " + cfg.getPort() + " running version " + version);

        } finally {

        }
    } catch (Exception e) {
        LOG.log(Level.SEVERE, null, e);
    }
}

From source file:com.tch.test.chat.netty.NettyClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from   w  w  w. j  a va 2 s.  com*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new MyClientChannelInitializer());

        // 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));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

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

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}

From source file:com.tesora.dve.tools.libmy.AsyncExample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    final String mysqlHost = "localhost";
    final int mysqlPort = 3307;
    final String username = "root";
    final String password = "password";
    final boolean isClearText = true;

    final InetSocketAddress serverAddress = new InetSocketAddress(mysqlHost, mysqlPort);

    final MyBackendDecoder.CharsetDecodeHelper charsetHelper = constructCharsetDecodeHelper();
    final SimpleCredentials cred = constructCredentials(username, password, isClearText);
    final JavaCharsetCatalog javaCharsetCatalog = constructJavaCharsetCatalog();
    final MysqlClientAuthenticationHandler authHandler = new MysqlClientAuthenticationHandler(cred,
            ClientCapabilities.DEFAULT_PSITE_CAPABILITIES, javaCharsetCatalog, new AtomicReference<Charset>());

    final NioEventLoopGroup connectionEventGroup = new NioEventLoopGroup(1);
    final Bootstrap mysqlBootstrap = new Bootstrap();
    mysqlBootstrap // .group(inboundChannel.eventLoop())
            .channel(NioSocketChannel.class).group(connectionEventGroup)
            .option(ChannelOption.ALLOCATOR, UnpooledByteBufAllocator.DEFAULT)
            .handler(new ChannelInitializer<Channel>() {
                @Override//from   w w w  .  ja  v a 2  s .  c  o  m
                protected void initChannel(Channel ch) throws Exception {

                    ch.pipeline().addLast(authHandler).addLast(MyBackendDecoder.class.getSimpleName(),
                            new MyBackendDecoder(charsetHelper)).addLast(new ChannelDuplexHandler() {

                                @Override
                                public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
                                        throws Exception {
                                    System.out.println("WRITE:" + msg);
                                    super.write(ctx, msg, promise);
                                }

                                @Override
                                public void channelRead(ChannelHandlerContext ctx, Object msg)
                                        throws Exception {
                                    if (msg instanceof MyFieldPktResponse) {
                                        final MyFieldPktResponse myFieldPktResponse = (MyFieldPktResponse) msg;
                                        System.out.println("COLUMN: " + myFieldPktResponse.getOrig_column()
                                                + "," + myFieldPktResponse.getColumn_type());
                                    } else if (msg instanceof MyTextResultRow) {
                                        final StringBuilder builder = new StringBuilder();
                                        builder.append("ROW:");
                                        final MyTextResultRow textRow = (MyTextResultRow) msg;
                                        for (int i = 0; i < textRow.size(); i++) {
                                            builder.append('\t');
                                            builder.append(textRow.getString(i));
                                        }
                                        System.out.println(builder.toString());
                                    }
                                    super.channelRead(ctx, msg);
                                }

                                @Override
                                public void channelInactive(ChannelHandlerContext ctx) throws Exception {
                                    super.channelInactive(ctx);
                                    System.out.println("CLOSE. ");
                                }
                            });
                }
            });

    final ChannelFuture connectFut = mysqlBootstrap.connect(serverAddress);
    connectFut.sync();
    System.out.println("Waiting to finish authenticate handshake");

    authHandler.assertAuthenticated();//don't write a request until you know the login is complete.

    System.out.println("Connected, and authenticated, getting channel to write requests");

    final Channel chan = connectFut.channel();

    System.out.println("Sending two pipelined requests without blocking for first response.");

    chan.write(MSPComQueryRequestMessage.newMessage("show databases", CharsetUtil.UTF_8));
    chan.write(
            MSPComQueryRequestMessage.newMessage("select * from information_schema.tables", CharsetUtil.UTF_8));
    chan.flush();//NOTE:  nothing is sent until this is called.  Use writeAndFlush if you want it to go out immediately.

    System.out.println("Sleeping 5 sec so all results come back"); //normally you would sync to responses here.
    TimeUnit.SECONDS.sleep(5);
    System.out.println("Closing socket.");
    chan.writeAndFlush(MSPComQuitRequestMessage.newMessage());//send friendly hangup message. Probably correct to also wait for server close or an OK packet.

    chan.close();
    chan.closeFuture().sync();
    System.out.println("Exiting.");
    System.exit(0);
}

From source file:com.topsec.bdc.platform.api.test.http.upload.HttpUploadClient.java

License:Apache License

/**
 * Standard post without multipart but already support on Factory (memory management)
 * //from w  w w . ja v a2 s  . c  om
 * @return the list of HttpData object (attribute and file) to be reused on next post
 */
private static List<InterfaceHttpData> formpost(Bootstrap bootstrap, String host, int port, URI uriSimple,
        File file, HttpDataFactory factory, List<Entry<String, String>> headers) throws Exception {

    // XXX /formpost
    // Start the connection attempt.
    ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
    // Wait until the connection attempt succeeds or fails.
    Channel channel = future.sync().channel();

    // Prepare the HTTP request.
    HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
            uriSimple.toASCIIString());

    // Use the PostBody encoder
    HttpPostRequestEncoder bodyRequestEncoder = new HttpPostRequestEncoder(factory, request, false); // false => not multipart

    // it is legal to add directly header or cookie into the request until finalize
    for (Entry<String, String> entry : headers) {
        request.headers().set(entry.getKey(), entry.getValue());
    }

    // add Form attribute
    bodyRequestEncoder.addBodyAttribute("getform", "POST");
    bodyRequestEncoder.addBodyAttribute("info", "first value");
    bodyRequestEncoder.addBodyAttribute("secondinfo", "secondvalue &");
    bodyRequestEncoder.addBodyAttribute("thirdinfo", textArea);
    bodyRequestEncoder.addBodyAttribute("fourthinfo", textAreaLong);
    bodyRequestEncoder.addBodyFileUpload("myfile", file, "application/x-zip-compressed", false);

    // finalize request
    request = bodyRequestEncoder.finalizeRequest();

    // Create the bodylist to be reused on the last version with Multipart support
    List<InterfaceHttpData> bodylist = bodyRequestEncoder.getBodyListAttributes();

    // send request
    channel.write(request);

    // test if request was chunked and if so, finish the write
    if (bodyRequestEncoder.isChunked()) { // could do either request.isChunked()
        // either do it through ChunkedWriteHandler
        channel.write(bodyRequestEncoder);
    }
    channel.flush();

    // Do not clear here since we will reuse the InterfaceHttpData on the next request
    // for the example (limit action on client side). Take this as a broadcast of the same
    // request on both Post actions.
    //
    // On standard program, it is clearly recommended to clean all files after each request
    // bodyRequestEncoder.cleanFiles();

    // Wait for the server to close the connection.
    channel.closeFuture().sync();
    return bodylist;
}

From source file:com.topsec.bdc.platform.api.test.http.upload.HttpUploadClient.java

License:Apache License

/**
 * Multipart example//  www  .java2  s.  c o m
 */
private static void formpostmultipart(Bootstrap bootstrap, String host, int port, URI uriFile,
        HttpDataFactory factory, List<Entry<String, String>> headers, List<InterfaceHttpData> bodylist)
        throws Exception {

    // XXX /formpostmultipart
    // Start the connection attempt.
    ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
    // Wait until the connection attempt succeeds or fails.
    Channel channel = future.sync().channel();

    // Prepare the HTTP request.
    HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
            uriFile.toASCIIString());

    // Use the PostBody encoder
    HttpPostRequestEncoder bodyRequestEncoder = new HttpPostRequestEncoder(factory, request, true); // true => multipart

    // it is legal to add directly header or cookie into the request until finalize
    for (Entry<String, String> entry : headers) {
        request.headers().set(entry.getKey(), entry.getValue());
    }

    // add Form attribute from previous request in formpost()
    bodyRequestEncoder.setBodyHttpDatas(bodylist);

    // finalize request
    bodyRequestEncoder.finalizeRequest();

    // send request
    channel.write(request);

    // test if request was chunked and if so, finish the write
    if (bodyRequestEncoder.isChunked()) {
        channel.write(bodyRequestEncoder);
    }
    channel.flush();

    // Now no more use of file representation (and list of HttpData)
    bodyRequestEncoder.cleanFiles();

    // Wait for the server to close the connection.
    channel.closeFuture().sync();
}