Example usage for io.netty.channel ChannelFuture isSuccess

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

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Introduction

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

Prototype

boolean isSuccess();

Source Link

Document

Returns true if and only if the I/O operation was completed successfully.

Usage

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

@Override
public boolean joinGroup() {
    if (!isActive())
        return false;

    ChannelFuture cf = getChannel().joinGroup(getMulticastAddress(), getNetworkInterface());

    CountDownLatch latch = new CountDownLatch(1);
    cf.addListener(getJoinGroupListener(getMulticastAddress(), latch));

    await(latch, "Multicast channel join group timed out");

    return cf.isSuccess();
}

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

@Override
public boolean leaveGroup() {
    if (!isActive())
        return false;

    ChannelFuture cf = getChannel().leaveGroup(getMulticastAddress(), getNetworkInterface());

    CountDownLatch latch = new CountDownLatch(1);
    cf.addListener(getLeaveGroupListener(getMulticastAddress(), latch));

    await(latch, "Multicast channel leave group timed out");

    return cf.isSuccess();
}

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

@Override
public boolean block(InetAddress sourceToBlock) {
    if (!isActive())
        return false;

    ChannelFuture cf = getChannel().block(getMulticastAddress().getAddress(), getNetworkInterface(),
            sourceToBlock);//  w  w  w .  ja va2 s.  c  o m

    CountDownLatch latch = new CountDownLatch(1);
    cf.addListener(getBlockListener(getMulticastAddress(), latch, sourceToBlock));

    await(latch, "Multicast block timed out");

    return cf.isSuccess();
}

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

private GenericFutureListener<ChannelFuture> getJoinGroupListener(final InetSocketAddress multicast,
        final CountDownLatch latch) {
    return new GenericFutureListener<ChannelFuture>() {

        @Override//from  w ww  .ja va2s  . c om
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                if (future.isSuccess()) {
                    log.debug("Multicast channel joined group {}", multicast);
                } else {
                    Throwable cause = future.cause();
                    if (cause == null) {
                        log.error("Could not join multicast group for {}", multicast);
                    } else {
                        log.error("Could not join multicast group for {}", multicast, cause);
                    }
                }
            } finally {
                latch.countDown();
            }
        }
    };
}

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

private GenericFutureListener<ChannelFuture> getLeaveGroupListener(final InetSocketAddress multicast,
        final CountDownLatch latch) {
    return new GenericFutureListener<ChannelFuture>() {

        @Override/*  w  w w .  j  ava2  s.  co m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                if (future.isSuccess()) {
                    log.debug("Multicast channel left group {}", multicast);
                } else {
                    Throwable cause = future.cause();
                    if (cause == null) {
                        log.error("Could not leave multicast group for {}", multicast);
                    } else {
                        log.error("Could not leave multicast group for {}", multicast, cause);
                    }
                }
            } finally {
                latch.countDown();
            }
        }
    };
}

From source file:com.github.mrstampy.kitchensync.netty.channel.AbstractKiSyMulticastChannel.java

License:Open Source License

private GenericFutureListener<ChannelFuture> getBlockListener(final InetSocketAddress multicast,
        final CountDownLatch latch, final InetAddress sourceToBlock) {
    return new GenericFutureListener<ChannelFuture>() {

        @Override//from w w  w  .  ja  va 2s  . co  m
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                if (future.isSuccess()) {
                    log.debug("Multicast channel {} now blocking {}", multicast, sourceToBlock);
                } else {
                    Throwable cause = future.cause();
                    if (cause == null) {
                        log.error("Could not block {} from {}", sourceToBlock, multicast);
                    } else {
                        log.error("Could not block {} from {}", sourceToBlock, multicast, cause);
                    }
                }
            } finally {
                latch.countDown();
            }
        }
    };
}

From source file:com.github.mrstampy.kitchensync.test.stream.ByteArrayStreamerTester.java

License:Open Source License

/**
 * Stream.// w  w  w . j  ava2 s  . c o m
 *
 * @throws Exception
 *           the exception
 */
protected void stream() throws Exception {
    for (String file : files) {
        byte[] b = getBytes(file);
        ChannelFuture future = streamer.stream(b);
        future.awaitUninterruptibly();

        log.info("Success? {}", future.isSuccess());
        BigDecimal packetLoss = (BigDecimal.ONE.subtract(new BigDecimal(received.get())
                .divide(new BigDecimal(streamer.sent()), 6, RoundingMode.HALF_UP)))
                        .multiply(new BigDecimal(100));
        log.info("Sent: {}, Received: {}, Packet loss: {} %, Concurrent threads: {}", streamer.sent(),
                received.get(), packetLoss.toPlainString(), streamer.getConcurrentThreads());

        received.set(0);
    }

    streamer.cancel();
}

From source file:com.github.mrstampy.kitchensync.test.stream.StreamerTester.java

License:Open Source License

/**
 * Stream.//from  w  w  w  .j a va2s .  com
 *
 * @throws InterruptedException
 *           the interrupted exception
 */
protected void stream() throws InterruptedException {
    for (int i = 0; i < 3; i++) {
        ChannelFuture future = streamer.stream();
        future.awaitUninterruptibly();

        log.info("Success? {}", future.isSuccess());
        BigDecimal packetLoss = (BigDecimal.ONE.subtract(new BigDecimal(received.get())
                .divide(new BigDecimal(streamer.size()), 6, RoundingMode.HALF_UP)))
                        .multiply(new BigDecimal(100));
        log.info("Sent: {}, Received: {}, Packet loss: {} %, Concurrent threads: {}", streamer.size(),
                received.get(), packetLoss.toPlainString(), streamer.getConcurrentThreads());
        streamer.reset();
        received.set(0);

        KiSyUtils.snooze(100);
    }

    Thread.sleep(50);
}

From source file:com.github.rmannibucau.featuredmock.http.DefaultFeaturedHttpServer.java

License:Apache License

@Override
public FeaturedHttpServer start() {
    workerGroup = new NioEventLoopGroup(threads, new FeaturedThreadFactory());

    try {/*from   w ww  . j  a  v  a 2s .co m*/
        final ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_SNDBUF, 1024)
                .option(ChannelOption.TCP_NODELAY, true).group(workerGroup)
                .channel(NioServerSocketChannel.class)
                .childHandler(new FeaturedChannelInitializer(mappers, engine)).bind(host, port)
                .addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(final ChannelFuture future) throws Exception {
                        if (!future.isSuccess()) {
                            LOGGER.severe("Can't start HTTP server");
                        } else {
                            LOGGER.info(String.format("Server started on http://%s:%s", host, port));
                        }
                    }
                }).sync();
    } catch (final InterruptedException e) {
        LOGGER.log(Level.SEVERE, e.getMessage(), e);
    }

    return this;
}

From source file:com.github.sinsinpub.pero.backend.ConnectBackendHandler.java

License:Apache License

@Override
public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    final Channel inboundChannel = ctx.channel();
    final Promise<Channel> outboundPromise = newOutboundPromise(ctx, request);
    final int maxProxies = AppProps.PROPS.getInteger("upstream.socks5.count", 1);
    final AtomicBoolean isFinalSuccess = new AtomicBoolean(false);
    final AtomicBoolean isRetryOccured = new AtomicBoolean(false);
    for (int i = 1; i <= maxProxies; i++) {
        final boolean isFirstOne = (i == 1);
        final boolean isFinalOne = (i == maxProxies);
        if (!isFirstOne) {
            isRetryOccured.set(true);/* ww  w.ja va 2  s.  com*/
        }
        try {
            final ProxyHandler upstreamProxyHandler = newUpstreamProxyHandler(i);
            final Bootstrap b = newConnectionBootstrap(inboundChannel, outboundPromise, upstreamProxyHandler);
            logger.info(String.format("Connecting backend %s:%s via %s", request.host(), request.port(),
                    upstreamProxyHandler != null ? upstreamProxyHandler.proxyAddress() : "direct"));
            ChannelFuture connFuture = b.connect(request.host(), request.port());
            connFuture.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        // Connection established use handler provided results
                        if (upstreamProxyHandler == null) {
                            logger.info("Backend connected directly");
                        } else {
                            logger.info("Backend connected via: " + upstreamProxyHandler.proxyAddress());
                        }
                    } else {
                        // Close the connection if the connection attempt has failed.
                        if (isFinalOne) {
                            logger.error("Backend connection failed: " + future.cause(), future.cause());
                            ctx.channel().writeAndFlush(
                                    new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                            NettyChannelUtils.closeOnFlush(ctx.channel());
                        } else {
                            logger.warn("Backend connection failed: {}", future.cause().toString());
                        }
                    }
                }
            });
            connFuture.await(getConnectTimeoutMillis(), TimeUnit.MILLISECONDS);
            if (connFuture.isSuccess()) {
                isFinalSuccess.set(true);
                break;
            }
        } catch (Exception e) {
            logger.error("Connecting exception {} caught:", e);
        }
    }
    if (isFinalSuccess.get() && isRetryOccured.get()) {
        logger.warn("Protected from Error-Neko: {} times", nekoKilled.incrementAndGet());
    }
}