Example usage for io.netty.channel ChannelFuture isSuccess

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.avanza.astrix.netty.server.NettyRemotingServer.java

License:Apache License

public void start() {
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .option(ChannelOption.SO_REUSEADDR, false).handler(new LoggingHandler(LogLevel.INFO))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//from w  w w .  jav  a  2  s  .c om
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    p.addLast(new ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                            new NettyRemotingServerHandler(serviceActivator));
                }
            });

    // Bind and start to accept incoming connections. Binds to all interfaces
    // TODO: Allow specifying a bind port range. Attempt to bind to each port in range and use first successfully bound port
    ChannelFuture channel = b.bind(port);
    try {
        if (channel.await(2, TimeUnit.SECONDS)) {
            if (channel.isSuccess()) {
                port = InetSocketAddress.class.cast(channel.channel().localAddress()).getPort();
                log.info("NettyRemotingServer started listening on port={}", port);
                return;
            }
        }
    } catch (InterruptedException e) {
    }
    throw new IllegalStateException("Failed to start netty remoting server. Can't bind to port: " + port);
}

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From source file:com.baidu.jprotobuf.pbrpc.management.HttpServer.java

License:Apache License

public void start(int port) {

    serverBootstrap = new ServerBootstrap();
    serverBootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override/* ww w .ja  v  a 2  s. co m*/
                public void initChannel(SocketChannel ch) throws Exception {
                    // server??httpResponse?HttpResponseEncoder?
                    ch.pipeline().addLast(new HttpResponseEncoder());
                    // serverhttpRequest?HttpRequestDecoder?
                    ch.pipeline().addLast(new HttpRequestDecoder());
                    ch.pipeline().addLast(new HttpServerInboundHandler(rpcServer));
                }
            }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

    serverBootstrap.bind(port).addListener(new ChannelFutureListener() {

        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                channel = future.channel();
                // TODO notifyStarted();
            } else {
                // TODO notifyFailed(future.cause());
            }
        }
    });

    LOG.log(Level.INFO, "Http starting at port: " + port);
}

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From source file:com.baidu.jprotobuf.pbrpc.transport.ChannelPoolObjectFactory.java

License:Apache License

@Override
public PooledObject<Connection> wrap(Connection obj) {
    Connection connection = fetchConnection();

    InetSocketAddress address;/*from w  ww .  ja  va 2  s  .  c  o  m*/
    if (host == null) {
        address = new InetSocketAddress(port);
    } else {
        address = new InetSocketAddress(host, port);
    }
    ChannelFuture future = this.rpcClient.connect(address);

    // Wait until the connection is made successfully.
    future.awaitUninterruptibly();
    if (!future.isSuccess()) {
        LOGGER.log(Level.SEVERE, "failed to get result from stp", future.cause());
    } else {
        connection.setIsConnected(true);
    }

    future.addListener(new RpcChannelFutureListener(connection));
    connection.setFuture(future);

    return new DefaultPooledObject<Connection>(connection);
}

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From source file:com.baidu.jprotobuf.pbrpc.transport.RpcChannelFutureListener.java

License:Apache License

public void operationComplete(ChannelFuture future) throws Exception {

    if (!future.isSuccess()) {
        LOG.log(Level.WARNING, "build channel:" + future.channel() + " failed");
        conn.setIsConnected(false);/*ww w .j a v  a2 s .  c o  m*/
        return;
    }

    RpcClientCallState requestState = null;
    while (null != (requestState = conn.consumeRequest())) {
        LOG.log(Level.FINEST, "[correlationId:" + requestState.getDataPackage().getRpcMeta().getCorrelationId()
                + "] send over from queue");
        conn.getFuture().channel().writeAndFlush(requestState.getDataPackage());
    }
}

---

From source file:com.baidu.jprotobuf.pbrpc.transport.RpcServer.java

License:Apache License

public void start(InetSocketAddress sa) {
    LOG.log(Level.INFO, "RPC starting at: " + sa);
    this.bind(sa).addListener(new ChannelFutureListener() {

        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                channel = future.channel();
                // TODO notifyStarted();
            } else {
                // TODO notifyFailed(future.cause());
            }/*from ww w .j a  v  a2  s . co  m*/
        }
    });
    this.inetSocketAddress = sa;

    startTime = System.currentTimeMillis();

    // check if need start http server
    if (rpcServerOptions.getHttpServerPort() > 0) {
        httpServer = new HttpServer(this);
        httpServer.start(rpcServerOptions.getHttpServerPort());
    }
}

---

From source file:com.barchart.netty.client.base.ConnectableBase.java

License:BSD License

@Override
public Observable<T> connect() {

    if (transport == null) {
        throw new IllegalArgumentException("Transport cannot be null");
    }/*from w w  w  .  j a v  a  2s  .c o  m*/

    if (channelInitializer == null) {
        throw new IllegalArgumentException("Channel initializer cannot be null");
    }

    log.debug("Client connecting to " + transport.address().toString());
    changeState(Connectable.State.CONNECTING);

    final ChannelFuture future = bootstrap() //
            .group(group) //
            .handler(new ClientPipelineInitializer()) //
            .connect();

    channel = future.channel();

    final ReplaySubject<T> connectObs = ReplaySubject.create();

    future.addListener(new ChannelFutureListener() {

        @SuppressWarnings("unchecked")
        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {

            if (!future.isSuccess()) {
                changeState(Connectable.State.CONNECT_FAIL);
                connectObs.onError(future.cause());
            } else {
                connectObs.onNext((T) ConnectableBase.this);
                connectObs.onCompleted();
            }

        }

    });

    return connectObs;

}

---

From source file:com.barchart.netty.server.stream.MulticastTransceiver.java

License:BSD License

/**
 * Join the multicast group address using the network interface associated
 * with the given address./*from   w  w  w.ja  v  a2 s. co m*/
 */
@Override
public ChannelFuture listen(final SocketAddress address) {

    if (pipelineInit == null) {
        throw new IllegalStateException("No pipeline initializer has been provided, server would do nothing");
    }

    // Kinda hacky, need to override bootstrap params based on passed
    // address

    final ChannelFuture future = bootstrap() //
            .option(ChannelOption.IP_MULTICAST_IF, bindInterface((InetSocketAddress) address)) //
            .localAddress(multicast.getPort()) //
            .remoteAddress(multicast) //
            .bind();

    future.addListener(new GenericFutureListener<ChannelFuture>() {

        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {

            if (future.isSuccess()) {

                final NioDatagramChannel channel = (NioDatagramChannel) future.channel();

                channel.joinGroup(multicast, channel.config().getOption(ChannelOption.IP_MULTICAST_IF));

            }

        }

    });

    serverChannels.add(future.channel());

    return future;

}

---

From source file:com.basho.riak.client.core.ConnectionPool.java

License:Apache License

private Channel doGetConnection() throws ConnectionFailedException {
    ChannelWithIdleTime cwi;//from  ww  w.  j a v a 2  s.com
    while ((cwi = available.poll()) != null) {
        Channel channel = cwi.getChannel();
        // If the channel from available is closed, try again. This will result in
        // the caller always getting a connection or an exception. If closed
        // the channel is simply discarded so this also acts as a purge
        // for dead channels during a health check.
        if (channel.isOpen()) {
            return channel;
        }
    }

    ChannelFuture f = bootstrap.connect();
    // Any channels that don't connect will trigger a close operation as well
    f.channel().closeFuture().addListener(this);

    try {
        f.await();
    } catch (InterruptedException ex) {
        logger.info("Thread interrupted waiting for new connection to be made; {}", remoteAddress);
        Thread.currentThread().interrupt();
        throw new ConnectionFailedException(ex);
    }

    if (!f.isSuccess()) {
        logger.error("Connection attempt failed: {}:{}; {}", remoteAddress, port, f.cause());
        throw new ConnectionFailedException(f.cause());
    }

    return f.channel();

}

---

From source file:com.basho.riak.client.core.RiakNode.java

License:Apache License

private Channel doGetConnection() throws ConnectionFailedException {
    ChannelWithIdleTime cwi;/*ww  w  . j a  va2s . c  o m*/
    while ((cwi = available.poll()) != null) {
        Channel channel = cwi.getChannel();
        // If the channel from available is closed, try again. This will result in
        // the caller always getting a connection or an exception. If closed
        // the channel is simply discarded so this also acts as a purge
        // for dead channels during a health check.
        if (channel.isOpen()) {
            return channel;
        }
    }

    ChannelFuture f = bootstrap.connect();

    try {
        f.await();
    } catch (InterruptedException ex) {
        logger.error("Thread interrupted waiting for new connection to be made; {}", remoteAddress);
        Thread.currentThread().interrupt();
        throw new ConnectionFailedException(ex);
    }

    if (!f.isSuccess()) {
        logger.error("Connection attempt failed: {}:{}; {}", remoteAddress, port, f.cause());
        consecutiveFailedConnectionAttempts.incrementAndGet();
        throw new ConnectionFailedException(f.cause());
    }

    consecutiveFailedConnectionAttempts.set(0);
    Channel c = f.channel();

    if (trustStore != null) {
        SSLContext context;
        try {
            context = SSLContext.getInstance("TLS");
            TrustManagerFactory tmf = TrustManagerFactory
                    .getInstance(TrustManagerFactory.getDefaultAlgorithm());
            tmf.init(trustStore);

            context.init(null, tmf.getTrustManagers(), null);

        } catch (Exception ex) {
            c.close();
            logger.error("Failure configuring SSL; {}:{} {}", remoteAddress, port, ex);
            throw new ConnectionFailedException(ex);
        }

        SSLEngine engine = context.createSSLEngine();

        Set<String> protocols = new HashSet<String>(Arrays.asList(engine.getSupportedProtocols()));

        if (protocols.contains("TLSv1.2")) {
            engine.setEnabledProtocols(new String[] { "TLSv1.2" });
            logger.debug("Using TLSv1.2");
        } else if (protocols.contains("TLSv1.1")) {
            engine.setEnabledProtocols(new String[] { "TLSv1.1" });
            logger.debug("Using TLSv1.1");
        }

        engine.setUseClientMode(true);
        RiakSecurityDecoder decoder = new RiakSecurityDecoder(engine, username, password);
        c.pipeline().addFirst(decoder);

        try {
            DefaultPromise<Void> promise = decoder.getPromise();
            promise.await();

            if (promise.isSuccess()) {
                logger.debug("Auth succeeded; {}:{}", remoteAddress, port);
            } else {
                c.close();
                logger.error("Failure during Auth; {}:{} {}", remoteAddress, port, promise.cause());
                throw new ConnectionFailedException(promise.cause());
            }

        } catch (InterruptedException e) {
            c.close();
            logger.error("Thread interrupted during Auth; {}:{}", remoteAddress, port);
            Thread.currentThread().interrupt();
            throw new ConnectionFailedException(e);
        }

    }

    return c;

}

---

From source file:com.chenyang.proxy.http.HttpRemoteForwardHandler.java

License:Apache License

public void channelRead(final ChannelHandlerContext remoteChannelCtx, final Object msg) throws Exception {

    remainMsgCount++;//from ww  w .  ja v  a2 s. co m

    if (remainMsgCount <= 5) {
        remoteChannelCtx.read();
    }

    HttpObject ho = (HttpObject) msg;

    if (ho instanceof HttpResponse) {
        HttpResponse httpResponse = (HttpResponse) ho;

        httpResponse.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        httpResponse.headers().set("Proxy-Connection", HttpHeaders.Values.KEEP_ALIVE);
    }

    if (uaChannel.isActive()) {
        uaChannel.writeAndFlush(ho).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    remainMsgCount--;
                    remoteChannelCtx.read();
                } else {
                    remoteChannelCtx.close();
                }
            }
        });
    } else {
        remoteChannelCtx.close();
    }
}

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