Examples of io.netty.channel.ChannelFutureListener

io.netty.channel.ChannelFutureListener
Listens to the result of a {@link ChannelFuture}. The result of the asynchronous {@link Channel} I/O operation is notified once this listeneris added by calling {@link ChannelFuture#addListener(GenericFutureListener)}.
Return the control to the caller quickly
{@link #operationComplete(Future)} is directly called by an I/Othread. Therefore, performing a time consuming task or a blocking operation in the handler method can cause an unexpected pause during I/O. If you need to perform a blocking operation on I/O completion, try to execute the operation in a different thread using a thread pool.

     * Helper method to perform the actual connect and reconnect.
     *
     * @param observable
     */
    protected void doConnect(final Subject<LifecycleState, LifecycleState> observable) {
        bootstrap.connect().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (state() == LifecycleState.DISCONNECTING || state() == LifecycleState.DISCONNECTED) {
                    LOGGER.debug(logIdent(channel, AbstractEndpoint.this) + "Endpoint connect completed, " +
                        "but got instructed to disconnect in the meantime.");

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            return Observable.just(state());
        }


        transitionState(LifecycleState.DISCONNECTING);
        final AsyncSubject<LifecycleState> observable = AsyncSubject.create();
        channel.disconnect().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(final ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    LOGGER.debug(logIdent(channel, AbstractEndpoint.this) + "Disconnected Endpoint.");
                } else {

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        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
            channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    selectMapedBufferResult.release();
                    if (!future.isSuccess()) {
                        log.error("invokeProducer failed,", future.cause());

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            this.filtersrvController.getFilterServerStatsManager().incGroupGetSize(group, topic,
                bodyTotalSize);
        }


        try {
            ctx.writeAndFlush(response).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        log.error("FilterServer response to " + future.channel().remoteAddress() + " failed",
                            future.cause());

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                public void write(int b) throws IOException {
                    outputStream.write(b);
                }
                public void close() throws IOException {
                    // Setup the call back for sending the message
                    ChannelFutureListener listener = new ChannelFutureListener() {
                        @Override
                        public void operationComplete(ChannelFuture future) throws Exception {
                            if (!future.isSuccess()) {
                                setException(future.cause());
                            }

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            }
            ChannelFuture connFuture = 
                bootstrap.connect(new InetSocketAddress(url.getHost(), url.getPort()));


            // Setup the call back on the NettyHttpClientRequest
            ChannelFutureListener listener = new ChannelFutureListener() {
                
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        setChannel(future.channel());

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            if (consumer.getConfiguration().isTextline()) {
                body = NettyHelper.getTextlineBody(body, exchange, consumer.getConfiguration().getDelimiter(), consumer.getConfiguration().isAutoAppendDelimiter());
            }


            // we got a body to write
            ChannelFutureListener listener = createResponseFutureListener(consumer, exchange, ctx.channel().remoteAddress());
            if (consumer.getConfiguration().isTcp()) {
                NettyHelper.writeBodyAsync(LOG, ctx.channel(), null, body, exchange, listener);
            } else {
                NettyHelper.writeBodyAsync(LOG, ctx.channel(), exchange.getProperty(NettyConstants.NETTY_REMOTE_ADDRESS, SocketAddress.class), body, exchange, listener);
            }

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        if (!isTcp()) {
            remoteAddress = new InetSocketAddress(configuration.getHost(), configuration.getPort()); 
        }


        // write body
        NettyHelper.writeBodyAsync(LOG, channel, remoteAddress, body, exchange, new ChannelFutureListener() {
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                LOG.trace("Operation complete {}", channelFuture);
                if (!channelFuture.isSuccess()) {
                    // no success the set the caused exception and signal callback and break
                    exchange.setException(channelFuture.cause());

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        if (LOG.isTraceEnabled()) {
            LOG.trace("Waiting for operation to complete {} for {} millis", channelFuture, configuration.getConnectTimeout());
        }
        // here we need to wait it in other thread
        final CountDownLatch channelLatch = new CountDownLatch(1);
        channelFuture.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture cf) throws Exception {
                channelLatch.countDown();
            }
        });

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            .withBootstrap(bootstrap)
            .build();


        for (int i = 0; i < 5; i++)
        {
            ChannelFutureListener listener = Whitebox.getInternalState(node, "inAvailableCloseListener", RiakNode.class);
            listener.operationComplete(future);
        }


        NodeStateListener listener = mock(NodeStateListener.class);
        node.addStateListener(listener);
        Whitebox.setInternalState(node, "state", State.RUNNING);

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Examples of io.netty.channel.ChannelFutureListener

Return the control to the caller quickly

Related Classes of io.netty.channel.ChannelFutureListener