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:dpfmanager.shell.modules.client.upload.HttpClient.java

License:Open Source License

/**
 * Multipart POST/* w w  w  .  j ava  2  s.c om*/
 */
private void formpostmultipart(Bootstrap bootstrap, String host, int port, URI uriFile, HttpDataFactory factory)
        throws Exception {
    // Start the connection attempt.
    ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
    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);

    HttpHeaders headers = request.headers();
    headers.set(HttpHeaderNames.HOST, host);
    headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);

    // Add the files
    int i = 0;
    for (File file : files) {
        bodyRequestEncoder.addBodyFileUpload("file" + i, file, "image/tiff", false);
        i++;
    }
    for (File file : tmpFiles) {
        bodyRequestEncoder.addBodyFileUpload("file" + i, file, "image/tiff", false);
        i++;
    }

    // Add configuration
    if (config != null) {
        bodyRequestEncoder.addBodyFileUpload("config", config, "application/octet-stream", false);
    }
    // Add job id
    if (id != null) {
        bodyRequestEncoder.addBodyAttribute("id", id);
    }

    // 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();
}

From source file:eu.point.client.Client.java

License:Open Source License

/**
 * The method which creates the bootstrap to connect to the server.
 * It initializes the pipeline with all the required parameters and functions
 * for encoding, decoding, etc.//from  w  ww.ja  va  2 s .  c o m
 * It then sends the message to the server.
 * If the message is a Resource Request, then it also returns the received Resource Offer.
 *
 * @param message The message to be sent.
 * @return The received Resource Offer in case the message was a Resource Request.
 */
public static TmSdnMessages.TmSdnMessage.ResourceOfferMessage sendMessage(TmSdnMessages.TmSdnMessage message) {
    EventLoopGroup group = new NioEventLoopGroup();
    TmSdnMessages.TmSdnMessage.ResourceOfferMessage resourceOffer = null;
    handler = new TmSdnClientHandler(message);
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, false);
        //initialize the pipeline
        b.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();

                pipeline.addLast(new ProtobufVarint32FrameDecoder());
                pipeline.addLast(new ProtobufDecoder(TmSdnMessages.TmSdnMessage.getDefaultInstance()));
                pipeline.addLast(new ProtobufVarint32LengthFieldPrepender());
                pipeline.addLast(new ProtobufEncoder());
                pipeline.addLast("readTimeoutHandler", new ReadTimeoutHandler(5));

                pipeline.addLast(handler);
            }
        });

        // Make a new connection.
        ChannelFuture f = b.remoteAddress(serverIP, tcpPort).connect();
        try {
            f.sync();
        } catch (Exception e) {
            e.printStackTrace();
        }
        //if message is resource request, then get the received resource offer and return it.
        if (f.isSuccess() && message.getType() == TmSdnMessages.TmSdnMessage.TmSdnMessageType.RR) {
            TmSdnMessages.TmSdnMessage.ResourceOfferMessage resp = handler.resultQueue.take();
            if (resp != null) {
                resourceOffer = resp;
            }
        }
        //close the channel.
        f.channel().closeFuture().sync();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        group.shutdownGracefully();
    }
    return resourceOffer;
}

From source file:fixio.examples.priceclient.PriceClient.java

License:Apache License

public static void main(String[] args) throws InterruptedException {
    PriceClient priceClient = new PriceClient(PriceServer.DEFAULT_PORT);
    ChannelFuture channelFuture = priceClient.connect();
    channelFuture.sync();
    priceClient.shutdown();/*from w  w  w .j  av  a 2s  .co  m*/
}

From source file:fr.wuzuf.netty.handlers.codec.tn3270.Client.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup group = new NioEventLoopGroup();
    try {//from  www . j  av  a2 s.c  o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ClientInitializer());

        // 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);

            // 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:io.aos.netty5.memcache.binary.MemcacheClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from w ww  .java2 s  . co m*/
        sslCtx = SslContext.newClientContext(null, InsecureTrustManagerFactory.INSTANCE, null,
                Arrays.asList(SelectedProtocol.HTTP_2.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                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();
    }
}

From source file:io.aos.netty5.telnet.TelnetClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from  w  ww  .j  av  a  2  s .  co  m
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } 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));
        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:io.example.UploadClient.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
 */// ww w  .  j  a v  a2s . c  o  m
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);
    }
    System.out.println("Sent formpost");
    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:io.example.UploadClient.HttpUploadClient.java

License:Apache License

/**
 * Multipart example//from  w w w  .j a  va  2  s  . co  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);
    }
    System.out.println("Sent formpostmultipart");
    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();
}

From source file:io.grpc.netty.NettyClientHandlerTest.java

License:Apache License

@Test
public void nonExistentStream() throws Exception {
    Status status = Status.INTERNAL.withDescription("zz");

    lifecycleManager.notifyShutdown(status);
    // Stream creation can race with the transport shutting down, with the create command already
    // enqueued.// w w w  .  ja  v  a2 s  .  c  o m
    ChannelFuture future1 = createStream();
    future1.await();
    assertNotNull(future1.cause());
    assertThat(Status.fromThrowable(future1.cause()).getCode()).isEqualTo(status.getCode());

    ChannelFuture future2 = enqueue(new CancelClientStreamCommand(streamTransportState, status));
    future2.sync();
}

From source file:io.grpc.netty.ProtocolNegotiatorsTest.java

License:Apache License

@Test
public void waitUntilActiveHandler_handlerAdded() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);

    final WaitUntilActiveHandler handler = new WaitUntilActiveHandler(new ChannelHandlerAdapter() {
        @Override//from  www  . j av a2  s .co m
        public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
            assertTrue(ctx.channel().isActive());
            latch.countDown();
            super.handlerAdded(ctx);
        }
    });

    ChannelHandler lateAddingHandler = new ChannelInboundHandlerAdapter() {
        @Override
        public void channelActive(ChannelHandlerContext ctx) throws Exception {
            ctx.pipeline().addLast(handler);
            ctx.pipeline().fireUserEventTriggered(ProtocolNegotiationEvent.DEFAULT);
            // do not propagate channelActive().
        }
    };

    LocalAddress addr = new LocalAddress("local");
    ChannelFuture cf = new Bootstrap().channel(LocalChannel.class).handler(lateAddingHandler).group(group)
            .register();
    chan = cf.channel();
    ChannelFuture sf = new ServerBootstrap().channel(LocalServerChannel.class)
            .childHandler(new ChannelHandlerAdapter() {
            }).group(group).bind(addr);
    server = sf.channel();
    sf.sync();

    assertEquals(1, latch.getCount());

    chan.connect(addr).sync();
    assertTrue(latch.await(TIMEOUT_SECONDS, TimeUnit.SECONDS));
    assertNull(chan.pipeline().context(WaitUntilActiveHandler.class));
}