Example usage for io.netty.channel ChannelFuture sync

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

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:sas.systems.imflux.session.rtsp.SimpleRtspSession.java

License:Apache License

/**
 * {@inheritDoc}/*from w  ww.ja v  a  2s . c o  m*/
 */
@Override
public synchronized boolean init() {
    if (this.running.get()) {
        return true;
    }

    // create bootstrap
    Class<? extends ServerChannel> channelType;
    if (useNio) {
        this.workerGroup = new NioEventLoopGroup();
        this.bossGroup = new NioEventLoopGroup();
        channelType = NioServerSocketChannel.class;
    } else {
        this.workerGroup = new OioEventLoopGroup();
        this.bossGroup = new OioEventLoopGroup();
        channelType = OioServerSocketChannel.class;
    }

    bootstrap = new ServerBootstrap();
    bootstrap.group(this.bossGroup, this.workerGroup).option(ChannelOption.SO_SNDBUF, this.sendBufferSize)
            .option(ChannelOption.SO_RCVBUF, this.receiveBufferSize).channel(channelType)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<Channel>() { // is used to initialize the ChannelPipeline
                @Override
                protected void initChannel(Channel ch) throws Exception {
                    ChannelPipeline pipeline = ch.pipeline();
                    pipeline.addLast("encoder", new RtspEncoder());
                    pipeline.addLast("decoder", new RtspDecoder());
                    pipeline.addLast("aggregator", new HttpObjectAggregator(64 * 1024));
                    pipeline.addLast("handler", new RtspHandler(SimpleRtspSession.this));
                }
            });
    // create channel
    try {
        ChannelFuture future = bootstrap.bind(this.localAddress);
        this.channel = future.sync().channel(); // wait for future to complete and retrieve channel

    } catch (Exception e) {
        LOG.error("Failed to bind RTSP channel for session with id " + this.id, e);
        this.workerGroup.shutdownGracefully();
        this.bossGroup.shutdownGracefully();

        this.workerGroup.terminationFuture().syncUninterruptibly();
        this.bossGroup.terminationFuture().syncUninterruptibly();
        return false;
    }
    LOG.debug("RTSP channel bound for RtspSession with id {}.", this.id);
    this.running.set(true);
    return true;
}

From source file:test.httpupload.HttpUploadClient.java

License:Apache License

/**
 * Standard post without multipart but already support on Factory (memory management)
 *
 * @return the list of HttpData object (attribute and file) to be reused on next post
 *//*from  w  w w  .  jav  a  2  s  .com*/
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).sync();
    }

    // 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:test.httpupload.HttpUploadClient.java

License:Apache License

/**
 * Multipart example/*from w  w  w . jav  a 2  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).sync();
    }

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

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

From source file:uidclient.UIDClient.java

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
            .build();/*  w w  w . j a v  a 2  s .c  o m*/

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

        // Start the connection attempt.
        Channel ch = b.connect(Config.HOST, Config.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();
    }
}