Example usage for io.netty.channel ChannelFuture cause

Introduction

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

Prototype

Throwable cause();

Source Link

Document

Returns the cause of the failed I/O operation if the I/O operation has failed.

Usage

From source file:net.tomp2p.connection.Sender.java

License:Apache License

/**
 * After connecting, we check if the connect was successful.
 * //from w  w  w  .j a va  2  s  .  c o  m
 * @param futureResponse
 *            The future to set the response
 * @param message
 *            The message to send
 * @param channelFuture
 *            the future of the connect
 * @param fireAndForget
 *            True, if we don't expect a message
 */
public void afterConnect(final FutureResponse futureResponse, final Message message,
        final ChannelFuture channelFuture, final boolean fireAndForget) {
    if (channelFuture == null) {
        futureResponse.failed("could not create a " + (message.isUdp() ? "UDP" : "TCP") + " channel");
        return;
    }
    LOG.debug("about to connect to {} with channel {}, ff={}", message.recipient(), channelFuture.channel(),
            fireAndForget);
    final Cancel connectCancel = createCancel(channelFuture);
    futureResponse.addCancel(connectCancel);
    channelFuture.addListener(new GenericFutureListener<ChannelFuture>() {
        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            futureResponse.removeCancel(connectCancel);
            if (future.isSuccess()) {
                final ChannelFuture writeFuture = future.channel().writeAndFlush(message);
                afterSend(writeFuture, futureResponse, fireAndForget);
            } else {
                LOG.debug("Channel creation failed", future.cause());
                futureResponse.failed("Channel creation failed " + future.channel() + "/" + future.cause());
                // may have been closed by the other side,
                // or it may have been canceled from this side
                if (!(future.cause() instanceof CancellationException)
                        && !(future.cause() instanceof ClosedChannelException)
                        && !(future.cause() instanceof ConnectException)) {
                    LOG.warn("Channel creation failed to {} for {}", future.channel(), message);
                }
            }
        }
    });
}

---

From source file:net.tomp2p.connection.Sender.java

License:Apache License

/**
 * After sending, we check if the write was successful or if it was a fire
 * and forget./*from   w  ww  . j  a  va 2s  . co m*/
 * 
 * @param writeFuture
 *            The future of the write operation. Can be UDP or TCP
 * @param futureResponse
 *            The future to set the response
 * @param fireAndForget
 *            True, if we don't expect a message
 */
private void afterSend(final ChannelFuture writeFuture, final FutureResponse futureResponse,
        final boolean fireAndForget) {
    final Cancel writeCancel = createCancel(writeFuture);
    writeFuture.addListener(new GenericFutureListener<ChannelFuture>() {

        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            futureResponse.removeCancel(writeCancel);
            if (!future.isSuccess()) {
                futureResponse.failedLater(future.cause());
                reportFailed(futureResponse, future.channel().close());
                LOG.warn("Failed to write channel the request {} {}", futureResponse.request(), future.cause());
            }
            if (fireAndForget) {
                futureResponse.responseLater(null);
                LOG.debug("fire and forget, close channel now {}, {}", futureResponse.request(),
                        future.channel());
                reportMessage(futureResponse, future.channel().close());
            }
        }
    });

}

---

From source file:net.tomp2p.connection.TestChannelCreator.java

License:Apache License

/**
 * This test only works if the server calls "nc -lk 4000", that is done in @Before. It will open and close 1000 *
 * 1000 connections to localhost.//from  ww w . j  a v a  2 s.  c  o  m
 * 
 * @throws InterruptedException .
 */
@Test
@Ignore
public void testCreatorTCP() throws InterruptedException {
    long start = System.currentTimeMillis();
    final int rounds = 10000;
    final int connections = 20;
    final int printOut = 100;
    EventLoopGroup ev = new NioEventLoopGroup();

    final int timeout = 4000;
    for (int j = 0; j < rounds; j++) {

        ChannelClientConfiguration c = PeerBuilder.createDefaultChannelClientConfiguration();
        c.pipelineFilter(new MyPipeLine());

        final ChannelCreator channelCreator2 = new ChannelCreator(ev, new FutureDone<Void>(), 0, connections,
                c);
        if (j % printOut == 0) {
            System.out.print(j + " ");
        }

        final CountDownLatch countDownLatch = new CountDownLatch(connections);
        final Map<String, Pair<EventExecutorGroup, ChannelHandler>> tmp = new HashMap<String, Pair<EventExecutorGroup, ChannelHandler>>();

        final GenericFutureListener<ChannelFuture> handler = new GenericFutureListener<ChannelFuture>() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    future.channel().close();
                    countDownLatch.countDown();

                } else {
                    future.cause().printStackTrace();
                }
            }
        };

        for (int i = 0; i < connections; i++) {
            final ChannelFuture channelFuture = channelCreator2.createTCP(SOCKET_ADDRESS, timeout, tmp,
                    new FutureResponse(null));
            channelFuture.addListener(handler);
        }
        countDownLatch.await();
        channelCreator2.shutdown().awaitUninterruptibly();
    }
    ev.shutdownGracefully().awaitUninterruptibly();
    long time = System.currentTimeMillis() - start;
    long mil = TimeUnit.SECONDS.toMillis(1);
    System.err.println("\nBENCHMARK: opened and closed " + connections + " x " + rounds
            + " TCP connections to localhost in " + time + " ms. STAT: TCP open/close per sec:"
            + ((connections * rounds * mil) / time));
}

---

From source file:net.tomp2p.connection.TestChannelCreator.java

License:Apache License

/**
 * This test only works if the server calls "nc -lku 4000", that is done in @Before.
 * //from  w  ww  .j ava 2 s.c o  m
 * @throws InterruptedException .
 */
@Test
@Ignore
public void testCreatorUDP() throws InterruptedException {
    long start = System.currentTimeMillis();
    final int rounds = 10000;
    final int connections = 20;
    final int printOut = 100;
    EventLoopGroup ev = new NioEventLoopGroup();

    for (int j = 0; j < rounds; j++) {

        ChannelClientConfiguration c = PeerBuilder.createDefaultChannelClientConfiguration();
        c.pipelineFilter(new MyPipeLine());
        final ChannelCreator channelCreator2 = new ChannelCreator(ev, new FutureDone<Void>(), connections, 0,
                c);

        if (j % printOut == 0) {
            System.out.print(j + " ");
        }

        final CountDownLatch countDownLatch = new CountDownLatch(connections);
        final Map<String, Pair<EventExecutorGroup, ChannelHandler>> tmp = new HashMap<String, Pair<EventExecutorGroup, ChannelHandler>>();

        GenericFutureListener<ChannelFuture> handler = new GenericFutureListener<ChannelFuture>() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    future.channel().writeAndFlush(Unpooled.wrappedBuffer(new byte[1]));
                    future.channel().close();
                    countDownLatch.countDown();
                } else {
                    future.cause().printStackTrace();
                }
            }
        };

        for (int i = 0; i < connections; i++) {
            final ChannelFuture channelFuture = channelCreator2.createUDP(false, tmp, new FutureResponse(null));
            channelFuture.addListener(handler);
        }
        countDownLatch.await();
        channelCreator2.shutdown().awaitUninterruptibly();
    }
    ev.shutdownGracefully().awaitUninterruptibly();
    long time = System.currentTimeMillis() - start;
    long mil = TimeUnit.SECONDS.toMillis(1);
    System.err.println("\nBENCHMARK: opened and closed " + connections + " x " + rounds
            + " UDP connections to localhost in " + time + " ms. STAT: UDP open/close per sec:"
            + ((connections * rounds * mil) / time));
}

---

From source file:net.tomp2p.connection2.ChannelServer.java

License:Apache License

/**
 * Handles the waiting and returning the channel.
 * //from   ww w  . ja v  a  2s.  c o  m
 * @param future
 *            The future to wait for
 * @return The channel or null if we failed to bind.
 */
private boolean handleFuture(final ChannelFuture future) {
    try {
        future.await();
    } catch (InterruptedException e) {
        if (LOG.isWarnEnabled()) {
            LOG.warn("could not start UPD server", e);
        }
        return false;
    }
    boolean success = future.isSuccess();
    if (success) {
        return true;
    } else {
        future.cause().printStackTrace();
        return false;
    }

}

---

From source file:net.tomp2p.connection2.Sender.java

License:Apache License

/**
 * After connecting, we check if the connect was successful.
 * /*from   w  ww .j a  va  2  s.  c o m*/
 * @param futureResponse
 *            The future to set the response
 * @param message
 *            The message to send
 * @param channelFuture
 *            the future of the connect
 * @param fireAndForget
 *            True, if we don't expect a message
 */
private void afterConnect(final FutureResponse futureResponse, final Message2 message,
        final ChannelFuture channelFuture, final boolean fireAndForget) {
    final Cancel connectCancel = createCancel(channelFuture);
    futureResponse.addCancel(connectCancel);
    channelFuture.addListener(new GenericFutureListener<ChannelFuture>() {
        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            futureResponse.removeCancel(connectCancel);
            if (future.isSuccess()) {
                futureResponse.setProgressHandler(new ProgresHandler() {
                    @Override
                    public void progres() {
                        final ChannelFuture writeFuture = future.channel().writeAndFlush(message);
                        afterSend(writeFuture, futureResponse, fireAndForget);
                    }
                });
                // this needs to be called first before all other progress
                futureResponse.progressFirst();
            } else {
                futureResponse.setFailed("Channel creation failed " + future.cause());
                LOG.warn("Channel creation failed ", future.cause());
            }
        }
    });
}

---

From source file:net.tomp2p.connection2.Sender.java

License:Apache License

/**
 * After sending, we check if the write was successful or if it was a fire and forget.
 * //from w  w  w  . j  av a  2  s. c o m
 * @param writeFuture
 *            The future of the write operation. Can be UDP or TCP
 * @param futureResponse
 *            The future to set the response
 * @param fireAndForget
 *            True, if we don't expect a message
 */
private void afterSend(final ChannelFuture writeFuture, final FutureResponse futureResponse,
        final boolean fireAndForget) {
    final Cancel writeCancel = createCancel(writeFuture);
    writeFuture.addListener(new GenericFutureListener<ChannelFuture>() {

        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            futureResponse.removeCancel(writeCancel);
            if (!future.isSuccess()) {
                futureResponse.setFailedLater(future.cause());
                reportFailed(futureResponse, future.channel().close());
                LOG.warn("Failed to write channel the request {}", futureResponse.getRequest(), future.cause());

            }
            if (fireAndForget) {
                futureResponse.setResponseLater(null);
                LOG.debug("fire and forget, close channel now");
                reportMessage(futureResponse, future.channel().close());
            }
        }
    });

}

---

From source file:net.tomp2p.connection2.TestChannelCreator.java

License:Apache License

/**
 * This test only works if the server calls "nc -lk 4000", that is done in @Before. It will open and close 1000 *
 * 1000 connections to localhost.//from w  ww . j a  v a 2 s .  c  o  m
 * 
 * @throws InterruptedException .
 */
@Test
@Ignore
public void testCreatorTCP() throws InterruptedException {
    long start = System.currentTimeMillis();
    final int rounds = 10000;
    final int connections = 20;
    final int printOut = 100;
    EventLoopGroup ev = new NioEventLoopGroup();

    final int timeout = 4000;
    for (int j = 0; j < rounds; j++) {

        ChannelClientConfiguration c = new ChannelClientConfiguration();
        c.pipelineFilter(new MyPipeLine());

        final ChannelCreator channelCreator2 = new ChannelCreator(ev, new FutureDone<Void>(), 0, connections,
                c);
        if (j % printOut == 0) {
            System.out.print(j + " ");
        }

        final CountDownLatch countDownLatch = new CountDownLatch(connections);
        final Map<String, ChannelHandler> tmp = new HashMap<String, ChannelHandler>();

        final GenericFutureListener<ChannelFuture> handler = new GenericFutureListener<ChannelFuture>() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    future.channel().close();
                    countDownLatch.countDown();

                } else {
                    future.cause().printStackTrace();
                }
            }
        };

        for (int i = 0; i < connections; i++) {
            final ChannelFuture channelFuture = channelCreator2.createTCP(SOCKET_ADDRESS, timeout, tmp);
            channelFuture.addListener(handler);
        }
        countDownLatch.await();
        channelCreator2.shutdown().awaitUninterruptibly();
    }
    ev.shutdownGracefully().awaitUninterruptibly();
    long time = System.currentTimeMillis() - start;
    long mil = TimeUnit.SECONDS.toMillis(1);
    System.err.println("\nBENCHMARK: opened and closed " + connections + " x " + rounds
            + " TCP connections to localhost in " + time + " ms. STAT: TCP open/close per sec:"
            + ((connections * rounds * mil) / time));
}

---

From source file:net.tomp2p.connection2.TestChannelCreator.java

License:Apache License

/**
 * This test only works if the server calls "nc -lku 4000", that is done in @Before.
 * /*from  www  .  j a  v  a  2s.  com*/
 * @throws InterruptedException .
 */
@Test
@Ignore
public void testCreatorUDP() throws InterruptedException {
    long start = System.currentTimeMillis();
    final int rounds = 10000;
    final int connections = 20;
    final int printOut = 100;
    EventLoopGroup ev = new NioEventLoopGroup();

    for (int j = 0; j < rounds; j++) {

        ChannelClientConfiguration c = new ChannelClientConfiguration();
        c.pipelineFilter(new MyPipeLine());
        final ChannelCreator channelCreator2 = new ChannelCreator(ev, new FutureDone<Void>(), connections, 0,
                c);

        if (j % printOut == 0) {
            System.out.print(j + " ");
        }

        final CountDownLatch countDownLatch = new CountDownLatch(connections);
        final Map<String, ChannelHandler> tmp = new HashMap<String, ChannelHandler>();

        GenericFutureListener<ChannelFuture> handler = new GenericFutureListener<ChannelFuture>() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    future.channel().writeAndFlush(Unpooled.wrappedBuffer(new byte[1]));
                    future.channel().close();
                    countDownLatch.countDown();
                } else {
                    future.cause().printStackTrace();
                }
            }
        };

        for (int i = 0; i < connections; i++) {
            final ChannelFuture channelFuture = channelCreator2.createUDP(SOCKET_ADDRESS, false, tmp);
            channelFuture.addListener(handler);
        }
        countDownLatch.await();
        channelCreator2.shutdown().awaitUninterruptibly();
    }
    ev.shutdownGracefully().awaitUninterruptibly();
    long time = System.currentTimeMillis() - start;
    long mil = TimeUnit.SECONDS.toMillis(1);
    System.err.println("\nBENCHMARK: opened and closed " + connections + " x " + rounds
            + " UDP connections to localhost in " + time + " ms. STAT: UDP open/close per sec:"
            + ((connections * rounds * mil) / time));
}

---

From source file:org.acmsl.katas.antlr4netty.InterpreterServer.java

License:Open Source License

/**
 * Wraps given {@link ChannelFuture} to ensure the event loops
 * shut down gracefully./*from  w  w  w.  j av  a 2s. c o  m*/
 * @param target the original channel future.
 * @param bossGroup the boss group.
 * @param workerGroup the worker group.
 * @return the wrapped future.
 */
@NotNull
protected ChannelFuture wrap(@NotNull final ChannelFuture target, @NotNull final NioEventLoopGroup bossGroup,
        @NotNull final NioEventLoopGroup workerGroup) {
    return new ChannelFuture() {
        @Override
        public Channel channel() {
            return target.channel();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture addListener(
                @NotNull final GenericFutureListener<? extends Future<? super Void>> listener) {
            return target.addListener(listener);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture addListeners(
                @NotNull final GenericFutureListener<? extends Future<? super Void>>... listeners) {
            return target.addListeners(listeners);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture removeListener(
                @NotNull final GenericFutureListener<? extends Future<? super Void>> listener) {
            return target.removeListener(listener);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture removeListeners(
                @NotNull final GenericFutureListener<? extends Future<? super Void>>... listeners) {
            return target.removeListeners(listeners);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture sync() throws InterruptedException {
            ChannelFuture result = null;

            try {
                result = target.sync();
            } finally {
                workerGroup.shutdownGracefully();
                bossGroup.shutdownGracefully();
            }

            return result;
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture syncUninterruptibly() {
            return target.syncUninterruptibly();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture await() throws InterruptedException {
            return target.await();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public ChannelFuture awaitUninterruptibly() {
            return target.awaitUninterruptibly();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean isSuccess() {
            return target.isSuccess();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean isCancellable() {
            return target.isCancellable();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public Throwable cause() {
            return target.cause();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean await(final long timeout, @NotNull final TimeUnit unit) throws InterruptedException {
            return target.await(timeout, unit);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean await(final long timeoutMillis) throws InterruptedException {
            return target.await(timeoutMillis);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean awaitUninterruptibly(final long timeout, @NotNull final TimeUnit unit) {
            return target.awaitUninterruptibly(timeout, unit);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean awaitUninterruptibly(final long timeoutMillis) {
            return target.awaitUninterruptibly(timeoutMillis);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public Void getNow() {
            return target.getNow();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean cancel(final boolean mayInterruptIfRunning) {
            return target.cancel(mayInterruptIfRunning);
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean isCancelled() {
            return target.isCancelled();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean isDone() {
            return target.isDone();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public Void get() throws InterruptedException, ExecutionException {
            return target.get();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public Void get(final long timeout, @NotNull final TimeUnit unit)
                throws InterruptedException, ExecutionException, TimeoutException {
            return target.get(timeout, unit);
        }
    };
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »