Example usage for io.netty.channel ChannelFuture cause

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

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Introduction

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

Prototype

Throwable cause();

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Document

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

Usage

From source file:com.vmware.xenon.common.http.netty.NettyChannelPool.java

License:Open Source License

/**
 * When using HTTP/2, we have to wait for the settings to be negotiated before we can send
 * data. We wait for a promise that comes from the HTTP client channel pipeline
 *///from   w  w w  .  j  ava  2 s. c  om
private void waitForSettings(Channel ch, NettyChannelContext contextFinal, Operation request,
        NettyChannelGroup group) {
    ChannelPromise settingsPromise = ch.attr(NettyChannelContext.SETTINGS_PROMISE_KEY).get();
    settingsPromise.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {

            if (future.isSuccess()) {

                // retrieve pending operations
                List<Operation> pendingOps = new ArrayList<>();
                synchronized (group) {
                    contextFinal.setOpenInProgress(false);
                    contextFinal.setChannel(future.channel()).setOperation(request);
                    pendingOps.addAll(group.pendingRequests);
                    group.pendingRequests.clear();
                }

                sendAfterConnect(future.channel(), contextFinal, request, group);

                // trigger pending operations
                for (Operation pendingOp : pendingOps) {
                    pendingOp.setSocketContext(contextFinal);
                    pendingOp.complete();
                }

            } else {
                returnOrClose(contextFinal, true);
                fail(request, future.cause());
            }
        }
    });
}

From source file:com.vmware.xenon.common.test.websockets.JsWebSocket.java

License:Open Source License

/**
 * Standard constructor WebSocket(uri) available in JavaScript API
 *
 * @param endpointUri Websocket endpoint URI
 *//*from  w  ww  .ja  v  a 2 s .c o  m*/
public JsWebSocket(String endpointUri) throws Exception {
    URI uri = new URI(endpointUri);
    String scheme = uri.getScheme() == null ? WS_SCHEME : uri.getScheme();
    final String host = uri.getHost() == null ? ServiceHost.LOCAL_HOST : uri.getHost();
    final int port;
    if (uri.getPort() == -1) {
        if (WS_SCHEME.equalsIgnoreCase(scheme)) {
            port = 80;
        } else if (WSS_SCHEME.equalsIgnoreCase(scheme)) {
            port = 443;
        } else {
            port = -1;
        }
    } else {
        port = uri.getPort();
    }

    if (!WS_SCHEME.equalsIgnoreCase(scheme) && !WSS_SCHEME.equalsIgnoreCase(scheme)) {
        System.err.println("Only WS(S) is supported.");
        return;
    }

    final boolean ssl = WSS_SCHEME.equalsIgnoreCase(scheme);
    final SslContext sslCtx;
    if (ssl) {
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    this.group = new NioEventLoopGroup();

    // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
    // If you change it to V00, ping is not supported and remember to change
    // HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
    DefaultHttpHeaders headers = new DefaultHttpHeaders();
    if (OperationContext.getAuthorizationContext() != null
            && OperationContext.getAuthorizationContext().getToken() != null) {
        headers.add(HttpHeaderNames.COOKIE,
                CookieJar.encodeCookies(
                        Collections.singletonMap(AuthenticationConstants.REQUEST_AUTH_TOKEN_COOKIE,
                                OperationContext.getAuthorizationContext().getToken())));
    }
    final WebSocketClientHandler handler = new WebSocketClientHandler(
            WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13, null, false, headers));
    Bootstrap b = new Bootstrap();
    b.group(this.group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel ch) {
            ChannelPipeline p = ch.pipeline();
            if (sslCtx != null) {
                p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
            }
            p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler);
        }
    });

    this.channel = b.connect(uri.getHost(), port).sync().channel();
    handler.handshakeFuture.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                JsExecutor.executeSynchronously(() -> {
                    if (future.isSuccess()) {
                        if (JsWebSocket.this.onopen != null) {
                            JsWebSocket.this.onopen.call(Context.getCurrentContext(), getParentScope(),
                                    JsWebSocket.this, new Object[] { null });
                        }
                    } else {
                        throw new RuntimeException(future.cause());
                    }
                });
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

From source file:com.weibo.api.motan.transport.netty.NettyChannel.java

License:Apache License

@Override
public Response request(Request request) throws TransportException {
    int timeout = nettyClient.getUrl().getMethodParameter(request.getMethodName(), request.getParamtersDesc(),
            URLParamType.requestTimeout.getName(), URLParamType.requestTimeout.getIntValue());
    if (timeout <= 0) {
        throw new MotanFrameworkException("NettyClient init Error: timeout(" + timeout + ") <= 0 is forbid.",
                MotanErrorMsgConstant.FRAMEWORK_INIT_ERROR);
    }//from  www  . ja  va  2 s  .com
    NettyResponseFuture response = new NettyResponseFuture(request, timeout, this.nettyClient);
    this.nettyClient.registerCallback(request.getRequestId(), response);

    ChannelFuture writeFuture = this.channel.writeAndFlush(request);

    boolean result = writeFuture.awaitUninterruptibly(timeout, TimeUnit.MILLISECONDS);

    if (result && writeFuture.isSuccess()) {
        response.addListener(new FutureListener() {
            @Override
            public void operationComplete(Future future) throws Exception {
                if (future.isSuccess()
                        || (future.isDone() && ExceptionUtil.isBizException(future.getException()))) {
                    // ? 
                    nettyClient.resetErrorCount();
                } else {
                    //  
                    nettyClient.incrErrorCount();
                }
            }
        });
        return response;
    }

    writeFuture.cancel(false);
    response = this.nettyClient.removeCallback(request.getRequestId());

    if (response != null) {
        response.cancel();
    }

    //  
    nettyClient.incrErrorCount();

    if (writeFuture.cause() != null) {
        throw new MotanServiceException(
                "NettyChannel send request to server Error: url=" + nettyClient.getUrl().getUri() + " local="
                        + localAddress + " " + MotanFrameworkUtil.toString(request),
                writeFuture.cause());
    } else {
        throw new MotanServiceException(
                "NettyChannel send request to server Timeout: url=" + nettyClient.getUrl().getUri() + " local="
                        + localAddress + " " + MotanFrameworkUtil.toString(request));
    }
}

From source file:com.weibo.api.motan.transport.netty.NettyChannel.java

License:Apache License

@Override
public synchronized boolean open() {
    if (isAvailable()) {
        LoggerUtil.warn("the channel already open, local: " + localAddress + " remote: " + remoteAddress
                + " url: " + nettyClient.getUrl().getUri());
        return true;
    }//from   www .  j  a  va2s .  c  o m

    try {
        ChannelFuture channleFuture = nettyClient.getBootstrap()
                .connect(new InetSocketAddress(nettyClient.getUrl().getHost(), nettyClient.getUrl().getPort()));

        long start = System.currentTimeMillis();

        int timeout = nettyClient.getUrl().getIntParameter(URLParamType.connectTimeout.getName(),
                URLParamType.connectTimeout.getIntValue());
        if (timeout <= 0) {
            throw new MotanFrameworkException(
                    "NettyClient init Error: timeout(" + timeout + ") <= 0 is forbid.",
                    MotanErrorMsgConstant.FRAMEWORK_INIT_ERROR);
        }
        // ??connectTimeout
        boolean result = channleFuture.awaitUninterruptibly(timeout, TimeUnit.MILLISECONDS);
        boolean success = channleFuture.isSuccess();

        if (result && success) {
            channel = channleFuture.channel();
            if (channel.localAddress() != null && channel.localAddress() instanceof InetSocketAddress) {
                localAddress = (InetSocketAddress) channel.localAddress();
            }

            state = ChannelState.ALIVE;
            return true;
        }
        boolean connected = false;
        if (channleFuture.channel() != null) {
            connected = channleFuture.channel().isActive();
        }

        if (channleFuture.cause() != null) {
            channleFuture.cancel(false);
            throw new MotanServiceException(
                    "NettyChannel failed to connect to server, url: " + nettyClient.getUrl().getUri()
                            + ", result: " + result + ", success: " + success + ", connected: " + connected,
                    channleFuture.cause());
        } else {
            channleFuture.cancel(false);
            throw new MotanServiceException("NettyChannel connect to server timeout url: "
                    + nettyClient.getUrl().getUri() + ", cost: " + (System.currentTimeMillis() - start)
                    + ", result: " + result + ", success: " + success + ", connected: " + connected);
        }
    } catch (MotanServiceException e) {
        throw e;
    } catch (Exception e) {
        throw new MotanServiceException(
                "NettyChannel failed to connect to server, url: " + nettyClient.getUrl().getUri(), e);
    } finally {
        if (!state.isAliveState()) {
            nettyClient.incrErrorCount();
        }
    }
}

From source file:com.weibo.api.motan.transport.netty4.client.NettyChannel.java

License:Apache License

@Override
public Response request(Request request) throws TransportException {
    int timeout = nettyClient.getUrl().getMethodParameter(request.getMethodName(), request.getParamtersDesc(),
            URLParamType.requestTimeout.getName(), URLParamType.requestTimeout.getIntValue());
    if (timeout <= 0) {
        throw new MotanFrameworkException("Netty4Client init Error: timeout(" + timeout + ") <= 0 is forbid.",
                MotanErrorMsgConstant.FRAMEWORK_INIT_ERROR);
    }/*from   w w  w  . j  a va 2 s. c o m*/
    NettyResponseFuture response = new NettyResponseFuture(request, timeout, this.nettyClient);
    this.nettyClient.registerCallback(request.getRequestId(), response);

    ChannelFuture writeFuture = this.channel.writeAndFlush(request);

    boolean result = writeFuture.awaitUninterruptibly(timeout, TimeUnit.SECONDS);

    if (result && writeFuture.isSuccess()) {
        response.addListener(new FutureListener() {
            @Override
            public void operationComplete(Future future) throws Exception {
                if (future.isSuccess()
                        || (future.isDone() && ExceptionUtil.isBizException(future.getException()))) {
                    // ? 
                    nettyClient.resetErrorCount();
                } else {
                    //  
                    nettyClient.incrErrorCount();
                }
            }
        });
        return response;
    }

    writeFuture.cancel(true);
    response = this.nettyClient.removeCallback(request.getRequestId());

    if (response != null) {
        response.cancel();
    }

    //  
    nettyClient.incrErrorCount();

    if (writeFuture.cause() != null) {
        throw new MotanServiceException(
                "NettyChannel send request to server Error: url=" + nettyClient.getUrl().getUri() + " local="
                        + localAddress + " " + MotanFrameworkUtil.toString(request),
                writeFuture.cause());
    } else {
        throw new MotanServiceException(
                "NettyChannel send request to server Timeout: url=" + nettyClient.getUrl().getUri() + " local="
                        + localAddress + " " + MotanFrameworkUtil.toString(request));
    }
}

From source file:com.weibo.api.motan.transport.netty4.client.NettyChannel.java

License:Apache License

@Override
public synchronized boolean open() {
    if (isAvailable()) {
        LoggerUtil.warn("the channel already open, local: " + localAddress + " remote: " + remoteAddress
                + " url: " + nettyClient.getUrl().getUri());
        return true;
    }/*from  w w  w  .  j a v a2s.co m*/

    try {
        ChannelFuture channelFuture = nettyClient.getBootstrap()
                .connect(new InetSocketAddress(nettyClient.getUrl().getHost(), nettyClient.getUrl().getPort()));

        long start = System.currentTimeMillis();

        int timeout = nettyClient.getUrl().getIntParameter(URLParamType.connectTimeout.getName(),
                URLParamType.connectTimeout.getIntValue());
        if (timeout <= 0) {
            throw new MotanFrameworkException(
                    "Netty4Client init Error: timeout(" + timeout + ") <= 0 is forbid.",
                    MotanErrorMsgConstant.FRAMEWORK_INIT_ERROR);
        }
        // ??connectTimeout
        boolean result = channelFuture.awaitUninterruptibly(timeout, TimeUnit.MILLISECONDS);
        boolean success = channelFuture.isSuccess();

        if (result && success) {
            channel = channelFuture.channel();
            if (channel.localAddress() != null && channel.localAddress() instanceof InetSocketAddress) {
                localAddress = (InetSocketAddress) channel.localAddress();
            }

            state = ChannelState.ALIVE;
            return true;
        }
        boolean connected = false;
        if (channelFuture.channel() != null) {
            connected = channelFuture.channel().isOpen();
        }

        if (channelFuture.cause() != null) {
            channelFuture.cancel(true);
            throw new MotanServiceException(
                    "NettyChannel failed to connect to server, url: " + nettyClient.getUrl().getUri()
                            + ", result: " + result + ", success: " + success + ", connected: " + connected,
                    channelFuture.cause());
        } else {
            channelFuture.cancel(true);
            throw new MotanServiceException("NettyChannel connect to server timeout url: "
                    + nettyClient.getUrl().getUri() + ", cost: " + (System.currentTimeMillis() - start)
                    + ", result: " + result + ", success: " + success + ", connected: " + connected);
        }
    } catch (MotanServiceException e) {
        throw e;
    } catch (Exception e) {
        throw new MotanServiceException(
                "NettyChannel failed to connect to server, url: " + nettyClient.getUrl().getUri(), e);
    } finally {
        if (!state.isAliveState()) {
            nettyClient.incrErrorCount();
        }
    }
}

From source file:com.whizzosoftware.foscam.camera.discovery.FoscamCameraDiscovery.java

License:Open Source License

/**
 * Start the discovery process.//from  w  ww . j a  v  a 2  s .  c o  m
 *
 * @throws IOException on failure
 */
public void start() throws IOException {
    searchRequestRunnable = new SearchRequestRunnable(this);

    // set up the inbound channel handler
    bootstrap.handler(new ChannelInitializer<Channel>() {
        @Override
        protected void initChannel(Channel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();
            pipeline.addLast(new DatagramToByteBufHandler()); // convert an incoming DatagramPacket into a ByteBuf
            pipeline.addLast(new OrderDecoder()); // convert an incoming ByteBuf into an Order
            pipeline.addLast(new InboundOrderHandler(listener)); // handle incoming Orders
        }
    });

    // bind to the address
    ChannelFuture cf = bootstrap.bind(new InetSocketAddress(0));
    cf.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            if (channelFuture.isSuccess()) {
                channel = (DatagramChannel) channelFuture.channel();

                // perform initial search request
                group.execute(searchRequestRunnable);

                // schedule two quick follow-up search requests to make sure a camera didn't miss the first request
                group.schedule(searchRequestRunnable, SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS,
                        TimeUnit.SECONDS);
                group.schedule(searchRequestRunnable, SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS * 2,
                        TimeUnit.SECONDS);

                // set up a recurring search request so we can keep track of cameras coming/going
                searchFuture = group.scheduleAtFixedRate(searchRequestRunnable,
                        SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS * 2 + getSearchRequestFrequencySeconds,
                        getSearchRequestFrequencySeconds, TimeUnit.SECONDS);
            } else {
                logger.error("Bind attempt failed", channelFuture.cause());
            }
        }
    });
}

From source file:com.whizzosoftware.hobson.api.plugin.channel.AbstractChannelObjectPlugin.java

License:Open Source License

/**
 * Connect the channel.// w  w  w .  ja v a  2  s  .c o  m
 *
 * @param b a Netty Bootstrap object
 */
synchronized private void connect(Bootstrap b) {
    logger.debug("connect()");
    if (connectionState == State.NOT_CONNECTED) {
        logger.debug("Attempting to connect");
        connectionState = State.CONNECTING;
        b.connect(socketAddress).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                if (channelFuture.isSuccess()) {
                    logger.debug("Connection established");
                    connectionState = State.CONNECTED;

                    // save the channel
                    AbstractChannelObjectPlugin.this.channel = channelFuture.channel();

                    // set a close listener to notify the plugin subclass when the channel has closed
                    channel.closeFuture().addListener(new ChannelFutureListener() {
                        @Override
                        public void operationComplete(ChannelFuture channelFuture) throws Exception {
                            logger.info("Connection was closed");
                            channel = null;
                            connectionState = State.NOT_CONNECTED;
                            executeInEventLoop(new Runnable() {
                                @Override
                                public void run() {
                                    onChannelDisconnected();
                                }
                            });
                            if (isRunning) {
                                scheduleReconnect(channelFuture.channel().eventLoop());
                            }
                        }
                    });

                    executeInEventLoop(new Runnable() {
                        @Override
                        public void run() {
                            onChannelConnected();
                        }
                    });
                } else {
                    logger.warn("Connection attempt to " + socketAddress.toString() + " failed",
                            channelFuture.cause());
                    connectionState = State.NOT_CONNECTED;
                    if (isRunning) {
                        scheduleReconnect(channelFuture.channel().eventLoop());
                    }
                }
            }
        });
    } else {
        logger.debug("Ignoring connect request due to state: " + connectionState);
    }
}

From source file:com.whizzosoftware.wzwave.controller.netty.NettyZWaveController.java

License:Open Source License

public void start() {
    if (channel == null) {
        // set up Netty bootstrap
        bootstrap = new Bootstrap();
        bootstrap.group(new OioEventLoopGroup());
        bootstrap.channel(RxtxChannel.class);
        bootstrap.handler(new ChannelInitializer<RxtxChannel>() {
            @Override//from   w  w  w  . jav a2  s .com
            protected void initChannel(RxtxChannel channel) throws Exception {
                NettyZWaveController.this.channel = channel;
                channel.config().setBaudrate(115200);
                channel.config().setDatabits(RxtxChannelConfig.Databits.DATABITS_8);
                channel.config().setParitybit(RxtxChannelConfig.Paritybit.NONE);
                channel.config().setStopbits(RxtxChannelConfig.Stopbits.STOPBITS_1);
                channel.pipeline().addLast("decoder", new ZWaveFrameDecoder());
                channel.pipeline().addLast("ack", new ACKInboundHandler());
                channel.pipeline().addLast("encoder", new ZWaveFrameEncoder());
                channel.pipeline().addLast("writeQueue", new FrameQueueHandler());
                channel.pipeline().addLast("transaction", new TransactionInboundHandler());
                channel.pipeline().addLast("handler", inboundHandler);
            }
        });

        bootstrap.connect(new RxtxDeviceAddress(serialPort)).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    sendDataFrame(new Version());
                    sendDataFrame(new MemoryGetId());
                    sendDataFrame(new InitData());
                } else {
                    onZWaveConnectionFailure(future.cause());
                }
            }
        });
    }
}

From source file:com.wolfbe.configcenter.remoting.netty.NettyRemotingAbstract.java

License:Apache License

/**
 * ?????/*from  w ww.j  a  va 2  s .co  m*/
 * @param channel
 * @param request
 * @param timeoutMillis
 * @return
 * @throws InterruptedException
 * @throws RemotingSendRequestException
 * @throws RemotingTimeoutException
 */
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request,
        final long timeoutMillis)
        throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException {
    final int opaque = request.getOpaque();

    try {
        final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null);
        this.responseTable.put(opaque, responseFuture);
        final SocketAddress addr = channel.remoteAddress();
        channel.writeAndFlush(request).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture f) throws Exception {
                if (f.isSuccess()) {
                    responseFuture.setSendRequestOK(true);
                    return;
                } else {
                    responseFuture.setSendRequestOK(false);
                }

                responseTable.remove(opaque);
                responseFuture.setCause(f.cause());
                responseFuture.putResponse(null);
                plog.warn("send a request command to channel <" + addr + "> failed.");
            }
        });
        // ?responseFuture.putResponse
        RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis);
        if (null == responseCommand) {
            if (responseFuture.isSendRequestOK()) {
                throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis,
                        responseFuture.getCause());
            } else {
                throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr),
                        responseFuture.getCause());
            }
        }

        return responseCommand;
    } finally {
        this.responseTable.remove(opaque);
    }
}