Example usage for io.netty.channel ChannelFuture isSuccess

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

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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.spotify.heroic.consumer.collectd.Server.java

License:Apache License

public static AsyncFuture<Server> setup(final AsyncFramework async, final CollectdChannelHandler handler,
        final InetAddress host, final int port) {
    final EventLoopGroup group = new NioEventLoopGroup();
    final Bootstrap b = new Bootstrap();

    b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true).handler(handler);

    final ResolvableFuture<Server> future = async.future();

    b.bind(host, port).addListener(new ChannelFutureListener() {
        @Override/*from  www  . ja va  2  s  .c o  m*/
        public void operationComplete(final ChannelFuture f) throws Exception {
            if (f.isSuccess()) {
                future.resolve(new Server(async, f.channel()));
            } else {
                future.fail(f.cause() != null ? f.cause() : new RuntimeException("Failed to bind"));
            }
        }
    });

    return future;
}

From source file:com.spotify.heroic.rpc.nativerpc.NativeRpcClient.java

License:Apache License

private <R> ChannelFutureListener handleConnect(final NativeRpcRequest request,
        final ResolvableFuture<R> future, final AtomicReference<Timeout> heartbeatTimeout,
        final Timeout requestTimeout) {
    return new ChannelFutureListener() {
        @Override//from   w ww  .ja  v  a  2 s  . co m
        public void operationComplete(ChannelFuture f) throws Exception {
            if (!f.isSuccess()) {
                future.fail(f.cause());
                return;
            }

            f.channel().writeAndFlush(request)
                    .addListener(handleRequestSent(future, heartbeatTimeout, requestTimeout));
        }
    };
}

From source file:com.spotify.heroic.rpc.nativerpc.NativeRpcClient.java

License:Apache License

private <R> ChannelFutureListener handleRequestSent(final ResolvableFuture<R> future,
        final AtomicReference<Timeout> heartbeatTimeout, final Timeout requestTimeout) {
    return new ChannelFutureListener() {
        @Override/*w ww  .  j  a va  2s .c om*/
        public void operationComplete(ChannelFuture f) throws Exception {
            requestTimeout.cancel();

            if (!f.isSuccess()) {
                future.fail(f.cause());
                return;
            }

            final Timeout timeout = timer.newTimeout(heartbeatTimeout(f.channel(), future), heartbeatInterval,
                    TimeUnit.MILLISECONDS);

            heartbeatTimeout.set(timeout);
        }
    };
}

From source file:com.spotify.heroic.rpc.nativerpc.NativeRpcProtocolServer.java

License:Apache License

private AsyncFuture<Void> start() {
    final ServerBootstrap s = new ServerBootstrap();
    s.channel(NioServerSocketChannel.class);
    s.group(bossGroup, workerGroup);//from   w w w .ja v  a  2 s  . c o  m
    s.childHandler(new NativeRpcServerSession(timer, mapper, container, maxFrameSize, encoding));

    final ChannelFuture bind = s.bind(address);

    bind.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(final ChannelFuture f) throws Exception {
            if (!f.isSuccess()) {
                bindFuture.fail(f.cause());
                return;
            }

            serverChannel.set(f.channel());
            final InetSocketAddress address = (InetSocketAddress) f.channel().localAddress();
            bindFuture.resolve(address);
        }
    });

    return bindFuture.directTransform(a -> null);
}

From source file:com.supermy.im.netty.TCPServer.java

License:Apache License

/**
 * 3??// w w  w  . ja  v  a  2  s. c  o  m
 */
protected void doBind() {
    if (closed) {
        return;
    }

    serverBootstrap.bind(tcpPort).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture f) throws Exception {
            if (f.isSuccess()) {
                System.out.println("Started Tcp Server: " + tcpPort);
            } else {
                System.out.println("Started Tcp Server Failed: " + tcpPort);

                // f.channel().eventLoop().schedule(() -> doBind(), 3, TimeUnit.SECONDS);

                f.channel().eventLoop().schedule(new Runnable() {
                    @Override
                    public void run() {
                        doBind();
                    }
                }, 3, TimeUnit.SECONDS);
            }
        }
    });
}

From source file:com.tc.websocket.server.handler.ProxyBackendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, final Object msg) {
    ByteBuf buf = (ByteBuf) msg;//ww w .  ja  v  a 2s  . c o m
    String data = new String(ByteBufUtil.getBytes(buf));
    ByteBuf bufData = buf;

    if (Config.getInstance().isEncrypted() && data.contains(StringCache.HTTP)) {
        data = data.replace(StringCache.HTTP, StringCache.HTTPS);
        bufData = Unpooled.wrappedBuffer(data.getBytes());
    }

    //ProxyFrontendHandler.writeToFile("backend", ByteBufUtil.getBytes(bufData));

    inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                ctx.channel().read();

            } else {
                future.channel().close();
            }
        }
    });

}

From source file:com.tc.websocket.server.handler.ProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    final Channel inboundChannel = ctx.channel();

    this.handler = new ProxyBackendHandler(inboundChannel);

    // Start the connection attempt.
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass()).handler(this.handler)
            .option(ChannelOption.AUTO_READ, false);

    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();//w  w w . j a v  a  2s  .c o  m

    f.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                // connection complete start to read first data
                inboundChannel.read();

            } else {
                // Close the connection if the connection attempt has failed.
                inboundChannel.close();
            }
        }
    });

}

From source file:com.tc.websocket.server.handler.ProxyFrontendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, final Object msg) {

    ByteBuf buf = (ByteBuf) msg;//from  w  w  w  . j  a v a  2 s . co  m
    String data = new String(ByteBufUtil.getBytes(buf));

    if (data.contains(Const.UPGRADE_WEBSOCKET) || data.contains(Const.GET_WEBSOCKET)) {
        proxy.set(false);

    } else if (data.contains(StringCache.HTTP_1_1)) {
        proxy.set(true);
    }

    if (proxy.get() == false) {
        writeToFile("frontend." + ctx.channel().id(), ByteBufUtil.getBytes(buf));
    }

    if (Config.getInstance().isCertAuth()) {
        SslHandler sslhandler = (SslHandler) ctx.channel().pipeline().get("ssl");
        try {
            X509Certificate cert = sslhandler.engine().getSession().getPeerCertificateChain()[0];
            Principal p = cert.getSubjectDN();

            /* Added by Miguel */
            LdapName ldapDN = new LdapName(p.getName());
            String username = "";
            String thumbprint = getThumbPrint(cert.getEncoded());

            for (Rdn rdn : ldapDN.getRdns()) {
                //System.out.println(rdn.getType() + " -> " + rdn.getValue());
                if (rdn.getType().equals("CN")) {
                    username = rdn.getValue().toString();
                    break;
                }
            }
            /* End Added by Miguel*/

            String sessionId = parseSessionID(data);

            if (sessionId != null) {
                String current = System.getProperty("user.dir");
                //System.out.println("Current working directory in Java : " + current);

                //File sessionFile = new File("c:/sessions/" + sessionId + ".txt");
                File sessionFile = new File(current + "/data/sessions/" + sessionId + ".txt");

                //only write the file if it hasn't been written yet.
                if (sessionFile.createNewFile()) {
                    FileUtils.write(sessionFile, p.getName().replaceAll("\"", "").replaceAll("\\+", ",") + "\n"
                            + username + "\n" + thumbprint);
                }
            }

        } catch (Exception e) {
            LOG.log(Level.SEVERE, null, e);
        }
    }

    if (proxy.get()) {
        ctx.channel().config().setAutoRead(false);
        if (outboundChannel.isActive()) {
            outboundChannel.writeAndFlush(buf).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) {
                    if (future.isSuccess()) {
                        // was able to flush out data, start to read the next chunk
                        ctx.channel().read();
                    } else {
                        future.channel().close();
                    }
                }
            });
        }
    } else {
        //make sure the backend handler knows its a websocket connection.
        this.handler.setWebsocket(true);

        //get handle on the pipeline.
        ChannelPipeline pipeline = ctx.pipeline();

        //apply the websocket handlers
        builder.apply(pipeline);

        //remove this handler.
        pipeline.remove(this);

        //fire the event to move on to the next handler.
        ctx.fireChannelRead(msg);
    }

}

From source file:com.tesora.dve.parlb.MysqlClientHandler.java

License:Open Source License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    final Channel inboundChannel = ctx.channel();

    // Start the connection attempt.
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(NioSocketChannel.class)
            .handler(new LoadBalancerServerHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = b.connect(peServerAddress);
    outboundChannel = f.channel();//  w  w w.j a va  2  s .com
    f.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // connection complete start to read first data
                inboundChannel.read();
            } else {
                // Close the connection if the connection attempt has failed.
                inboundChannel.close();
            }
        }
    });
}

From source file:com.test.AbstractBootstrap.java

License:Apache License

private static void doBind0(final ChannelFuture regFuture, final Channel channel,
        final SocketAddress localAddress, final ChannelPromise promise) {

    // This method is invoked before channelRegistered() is triggered.  Give user handlers a chance to set up
    // the pipeline in its channelRegistered() implementation.
    channel.eventLoop().execute(new Runnable() {
        @Override/*from   w  ww  .ja  v  a2s.  c o m*/
        public void run() {
            if (regFuture.isSuccess()) {
                channel.bind(localAddress, promise).addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
            } else {
                promise.setFailure(regFuture.cause());
            }
        }
    });
}