Examples with ChannelFutureListener org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener used on opensource projects

Example 31 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project scalecube by scalecube.

the class TransportImpl method bind0.

/**
 * Helper bind method to start accepting connections on {@code listenAddress} and {@code bindPort}.
 *
 * @param bindPort bind port.
 * @param finalBindPort maximum port to bind.
 * @throws NoSuchElementException if {@code bindPort} greater than {@code finalBindPort}.
 * @throws IllegalArgumentException if {@code bindPort} doesnt belong to the range [{@link Addressing#MIN_PORT_NUMBER}
 *         .. {@link Addressing#MAX_PORT_NUMBER}].
 */
private CompletableFuture<Transport> bind0(ServerBootstrap server, InetAddress listenAddress, int bindPort, int finalBindPort) {
    incomingMessagesSubject.subscribeOn(Schedulers.from(bootstrapFactory.getWorkerGroup()));
    final CompletableFuture<Transport> result = new CompletableFuture<>();
    // Perform basic bind port validation
    if (bindPort < MIN_PORT_NUMBER || bindPort > MAX_PORT_NUMBER) {
        result.completeExceptionally(new IllegalArgumentException("Invalid port number: " + bindPort));
        return result;
    }
    if (bindPort > finalBindPort) {
        result.completeExceptionally(new NoSuchElementException("Could not find an available port from: " + bindPort + " to: " + finalBindPort));
        return result;
    }
    // Get address object and bind
    address = Address.create(listenAddress.getHostAddress(), bindPort);
    ChannelFuture bindFuture = server.bind(listenAddress, address.port());
    bindFuture.addListener((ChannelFutureListener) channelFuture -> {
        if (channelFuture.isSuccess()) {
            serverChannel = (ServerChannel) channelFuture.channel();
            networkEmulator = new NetworkEmulator(address, config.isUseNetworkEmulator());
            networkEmulatorHandler = config.isUseNetworkEmulator() ? new NetworkEmulatorHandler(networkEmulator) : null;
            LOGGER.info("Bound to: {}", address);
            result.complete(TransportImpl.this);
        } else {
            Throwable cause = channelFuture.cause();
            if (config.isPortAutoIncrement() && isAddressAlreadyInUseException(cause)) {
                LOGGER.warn("Can't bind to address {}, try again on different port [cause={}]", address, cause.toString());
                bind0(server, listenAddress, bindPort + 1, finalBindPort).thenAccept(result::complete);
            } else {
                LOGGER.error("Failed to bind to: {}, cause: {}", address, cause);
                result.completeExceptionally(cause);
            }
        }
    });
    return result;
}

Example 32 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project scalecube by scalecube.

the class TransportImpl method connect.

private ChannelFuture connect(Address address) {
    OutgoingChannelInitializer channelInitializer = new OutgoingChannelInitializer(address);
    Bootstrap client = bootstrapFactory.clientBootstrap().handler(channelInitializer);
    ChannelFuture connectFuture = client.connect(address.host(), address.port());
    // Register logger and cleanup listener
    connectFuture.addListener((ChannelFutureListener) channelFuture -> {
        if (channelFuture.isSuccess()) {
            LOGGER.debug("Connected from {} to {}: {}", TransportImpl.this.address, address, channelFuture.channel());
        } else {
            LOGGER.warn("Failed to connect from {} to {}", TransportImpl.this.address, address);
            outgoingChannels.remove(address);
        }
    });
    return connectFuture;
}

Example 33 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project scalecube by scalecube.

the class NettyServerTransport method bind0.

private CompletableFuture<NettyServerTransport> bind0(InetAddress bindAddress, int bindPort, int finalBindPort) {
    CompletableFuture<NettyServerTransport> result = new CompletableFuture<>();
    // Perform basic bind port validation
    if (bindPort < MIN_PORT_NUMBER || bindPort > MAX_PORT_NUMBER) {
        result.completeExceptionally(new IllegalArgumentException("Invalid port number: " + bindPort));
        return result;
    }
    if (bindPort > finalBindPort) {
        result.completeExceptionally(new NoSuchElementException("Could not find an available port from: " + bindPort + " to: " + finalBindPort));
        return result;
    }
    // Start binding
    ChannelFuture bindFuture = serverBootstrap.bind(bindAddress, bindPort);
    bindFuture.addListener((ChannelFutureListener) channelFuture -> {
        if (channelFuture.isSuccess()) {
            NettyServerTransport.this.init(bindAddress, bindPort, (ServerChannel) channelFuture.channel());
            result.complete(NettyServerTransport.this);
        } else {
            Throwable cause = channelFuture.cause();
            if (config.isPortAutoIncrement() && isAddressAlreadyInUseException(cause)) {
                bind0(bindAddress, bindPort + 1, finalBindPort).thenAccept(result::complete);
            } else {
                result.completeExceptionally(cause);
            }
        }
    });
    return result;
}

Example 34 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project alien4cloud by alien4cloud.

the class StompConnection method init.

@SneakyThrows({ InterruptedException.class, URISyntaxException.class })
private void init() {
    if (this.stompChannel != null) {
        throw new IllegalStateException("The stomp connection has already been started");
    }
    String wsUrl = "ws://" + host + ":" + port + endPoint + "/websocket";
    if (log.isDebugEnabled()) {
        log.debug("Web socket url {}", wsUrl);
    }
    String loginUrl = null;
    if (user != null && password != null && loginPath != null) {
        loginUrl = "http://" + host + ":" + port + loginPath;
        if (log.isDebugEnabled()) {
            log.debug("Authentication url {}", loginUrl);
        }
    }
    this.eventLoopGroup = new NioEventLoopGroup();
    this.stompClientHandler = new StompClientHandler();
    DefaultHttpHeaders handshakeHeaders = new DefaultHttpHeaders();
    if (this.headers != null) {
        for (Map.Entry<String, String> header : this.headers.entrySet()) {
            handshakeHeaders.add(header.getKey(), header.getValue());
        }
    }
    final WebSocketClientHandler webSocketHandler = new WebSocketClientHandler(WebSocketClientHandshakerFactory.newHandshaker(new URI(wsUrl), WebSocketVersion.V13, null, false, handshakeHeaders), host, user, password, loginUrl);
    Bootstrap b = new Bootstrap();
    b.group(eventLoopGroup).channel(NioSocketChannel.class);
    b.handler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline pipeline = ch.pipeline();
            pipeline.addLast(HttpClientCodec.class.getName(), new HttpClientCodec());
            pipeline.addLast(HttpObjectAggregator.class.getName(), new HttpObjectAggregator(8192));
            pipeline.addLast(WebSocketClientCompressionHandler.class.getName(), new WebSocketClientCompressionHandler());
            pipeline.addLast(WebSocketClientHandler.class.getName(), webSocketHandler);
            pipeline.addLast(StompSubframeDecoder.class.getName(), new StompSubframeDecoder());
            pipeline.addLast(StompSubframeEncoder.class.getName(), new StompSubframeEncoder());
            pipeline.addLast(StompSubframeAggregator.class.getName(), new StompSubframeAggregator(1048576));
            pipeline.addLast(StompClientHandler.class.getName(), stompClientHandler);
        }
    });
    this.stompChannel = b.connect(host, port).sync().channel();
    this.stompClientHandler.connectFuture(this.stompChannel.newPromise());
    webSocketHandler.handshakeFuture().addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            stompClientHandler.beginStomp(stompChannel);
        }
    });
}

Example 35 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project duangframework by tcrct.

the class RpcClient method call.

/**
 * 调用运程方法
 * @param request   rpc请求对象，封装请求的参数，参数类型等
 * @param action     rpc生产者对象，封装了生产者或者说是要调用的方法的类名，方法名，IP地址，端口等
 * @return                  处理结果 RpcResponse对象
 * @throws Exception
 */
public RpcResponse call(RpcRequest request, RpcAction action) throws Exception {
    // 这里要用内网的IP地址
    Channel channel = getChannel(action.getIntranetip(), action.getPort());
    RpcResponse response = null;
    // 先初始化一个以请求ID为KEY的响应阵列到集合中
    final String requestId = request.getRequestId();
    // 将请求结果预存到MAP中，以请求ID为key
    RESPONSE_MAP.put(requestId, new LinkedBlockingQueue<RpcResponse>(1));
    try {
        if (channel.isOpen()) {
            MessageHolder<RpcRequest> messageHolder = new MessageHolder<RpcRequest>(Protocol.REQUEST, Protocol.OK, request);
            ChannelFuture writeFuture = channel.writeAndFlush(messageHolder).sync();
            writeFuture.addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    // 如果返回正常，则直接退出
                    if (future.isSuccess()) {
                        return;
                    } else {
                        String errorMsg = "Send request[" + requestId + "] to [" + future.channel().toString() + "] is error: " + future.cause().toString();
                        throw new RpcException(errorMsg);
                    }
                }
            });
        } else {
            logger.warn("channel.isClose: " + channel.remoteAddress());
        }
        response = getRpcResponse(requestId, request.getTimeout());
        if (null != response) {
            logger.warn("poll time: " + (System.currentTimeMillis() - response.getRequestStartTime()) + " ms");
        }
    } catch (Exception e) {
        response = createExceptionRpcResponse(action, e, requestId);
    } finally {
        // 无论成功与否，都必须移除集合中指定KEY的队列
        RESPONSE_MAP.remove(requestId);
    }
    return response;
}