Example usage for io.netty.channel ChannelFutureListener ChannelFutureListener

List of usage examples for io.netty.channel ChannelFutureListener ChannelFutureListener

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Introduction

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

Prototype

ChannelFutureListener

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Usage

From source file:org.jupiter.transport.netty.channel.NettyChannel.java

License:Apache License

@Override
public JChannel write(Object msg, final JFutureListener<JChannel> listener) {
    final JChannel jChannel = this;
    channel.writeAndFlush(msg).addListener(new ChannelFutureListener() {

        @Override/*from   www  .  ja  v a2 s . c om*/
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                listener.operationSuccess(jChannel);
            } else {
                listener.operationFailure(jChannel, future.cause());
            }
        }
    });
    return jChannel;
}

From source file:org.jupiter.transport.netty.handler.connector.ConnectionWatchdog.java

License:Apache License

@Override
public void run(Timeout timeout) throws Exception {
    if (!isReconnectNeeded()) {
        logger.warn("Cancel reconnecting with {}.", remoteAddress);
        return;/*w w w. j a va  2 s . c  o m*/
    }

    ChannelFuture future;
    synchronized (bootstrap) {
        bootstrap.handler(new ChannelInitializer<Channel>() {

            @Override
            protected void initChannel(Channel ch) throws Exception {
                ch.pipeline().addLast(handlers());
            }
        });
        future = bootstrap.connect(remoteAddress);
    }

    future.addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture f) throws Exception {
            boolean succeed = f.isSuccess();

            logger.warn("Reconnects with {}, {}.", remoteAddress, succeed ? "succeed" : "failed");

            if (!succeed) {
                f.channel().pipeline().fireChannelInactive();
            }
        }
    });
}

From source file:org.jupiter.transport.netty.JNettyConnection.java

License:Apache License

@Override
public void operationComplete(final Runnable callback) {
    future.addListener(new ChannelFutureListener() {

        @Override//  w ww  .  ja v  a2 s .c o m
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                callback.run();
            }
        }
    });
}

From source file:org.kobeyoung81.dummyhttpproxy.HexDumpProxyBackendHandler.java

License:Apache License

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

    inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
        @Override//  ww  w.  jav  a 2 s  .  c  o  m
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                ctx.channel().read();
            } else {
                future.channel().close();
            }
        }
    });
}

From source file:org.kobeyoung81.dummyhttpproxy.HexDumpProxyFrontendHandler.java

License:Apache License

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

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

    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();/* www . j  a  v  a 2s .c om*/

    if ("local".equals(role)) {
        outboundChannel.pipeline().addLast(new SnappyFramedEncoder());
        outboundChannel.pipeline().addLast(new DummyHttpRequestEncoder());
        outboundChannel.pipeline().addFirst(new SnappyFramedDecoder());
        outboundChannel.pipeline().addFirst(new DummyHttpResponseDecoder());
    }

    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:org.kobeyoung81.dummyhttpproxy.HexDumpProxyFrontendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) {
    if (outboundChannel.isActive()) {
        outboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
            @Override/* w w  w. jav a2 s.  c  om*/
            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();
                }
            }
        });
    }
}

From source file:org.kobeyoung81.hexdumpproxy.HexDumpProxyFrontendHandler.java

License:Apache License

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

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

    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();/*from www. ja v a2  s .  co m*/

    if ("local".equals(role)) {
        outboundChannel.pipeline().addLast(new SnappyFramedEncoder());
        outboundChannel.pipeline().addFirst(new SnappyFramedDecoder());
    }

    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:org.kobeyoung81.socksproxy.SocksServerConnectHandler.java

License:Apache License

@Override
public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    Promise<Channel> promise = ctx.executor().newPromise();
    promise.addListener(new GenericFutureListener<Future<Channel>>() {
        @Override// ww  w  .  j  a  va  2  s .  co  m
        public void operationComplete(final Future<Channel> future) throws Exception {
            final Channel outboundChannel = future.getNow();
            if (future.isSuccess()) {
                ctx.channel().writeAndFlush(new SocksCmdResponse(SocksCmdStatus.SUCCESS, request.addressType()))
                        .addListener(new ChannelFutureListener() {
                            @Override
                            public void operationComplete(ChannelFuture channelFuture) {
                                ctx.pipeline().remove(SocksServerConnectHandler.this);
                                outboundChannel.pipeline().addLast(new RelayHandler(ctx.channel()));
                                ctx.pipeline().addLast(new RelayHandler(outboundChannel));
                            }
                        });
                //System.out.println(request.toString());
            } else {
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.closeOnFlush(ctx.channel());
            }
        }
    });

    final Channel inboundChannel = ctx.channel();
    b.group(inboundChannel.eventLoop()).channel(NioSocketChannel.class)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true)
            .handler(new DirectClientHandler(promise));
    //System.out.println(request.host() +":"+ request.port());
    //SocksCmdRequest re = new SocksCmdRequest(request.cmdType(), request.addressType(), "192.168.87.103", 8080);
    b.connect(request.host(), request.port()).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // Connection established use handler provided results
            } else {
                // Close the connection if the connection attempt has failed.
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.closeOnFlush(ctx.channel());
            }
        }
    });
}

From source file:org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket.java

License:Apache License

@Override
protected void connectNativeClient() throws TimeoutException, Exception {

    if (channel == null || !channel.isActive() || group == null || group.isShuttingDown()
            || group.isShutdown()) {/* w w w .  jav  a2s .co m*/

        log.info("{} Connecting native client", label);

        final boolean ssl = "wss".equalsIgnoreCase(this.uri.getScheme());
        final SslContext sslCtx;
        try {
            sslCtx = ssl
                    ? SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build()
                    : null;
        } catch (SSLException e) {
            log.error("{} Could not create SSL Context", label, e);
            throw new IllegalArgumentException("Could not create SSL context. See logs for more details", e);
        }

        final String scheme = uri.getScheme() == null ? "ws" : uri.getScheme();
        final String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
        final int port;
        if (uri.getPort() == -1) {
            if ("ws".equalsIgnoreCase(scheme)) {
                port = 80;
            } else if ("wss".equalsIgnoreCase(scheme)) {
                port = 443;
            } else {
                port = -1;
            }
        } else {
            port = uri.getPort();
        }

        if (group == null || group.isShuttingDown() || group.isShutdown() || group.isTerminated()) {
            log.info("{} Creating new NioEventLoopGroup", label);
            group = new NioEventLoopGroup();
        }

        if (channel != null) {
            log.info("{} Closing previously existing channel when connecting native client", label);
            closeChannel();
        }

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) {
                log.info("{} Inititating new Netty channel. Will create new handler too!", label);
                handler = new JsonRpcWebSocketClientHandler(WebSocketClientHandshakerFactory.newHandshaker(uri,
                        WebSocketVersion.V13, null, true, new DefaultHttpHeaders(), maxPacketSize));

                ChannelPipeline p = ch.pipeline();
                p.addLast("idleStateHandler", new IdleStateHandler(0, 0, idleTimeout / 1000));
                if (sslCtx != null) {
                    p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
                }
                p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192),
                        WebSocketClientCompressionHandler.INSTANCE, handler);
            }
        }).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, this.connectionTimeout);

        int numRetries = 0;
        final int maxRetries = 5;
        while (channel == null || !channel.isOpen()) {
            try {
                channel = b.connect(host, port).sync().channel();
                handler.handshakeFuture().sync();
            } catch (InterruptedException e) {
                // This should never happen
                log.warn("{} ERROR connecting WS Netty client, opening channel", label, e);
            } catch (Exception e) {
                if (e.getCause() instanceof WebSocketHandshakeException && numRetries < maxRetries) {
                    log.warn(
                            "{} Upgrade exception when trying to connect to {}. Try {} of {}. Retrying in 200ms ",
                            label, uri, numRetries + 1, maxRetries);
                    Thread.sleep(200);
                    numRetries++;
                } else {
                    throw e;
                }
            }

        }

        channel.closeFuture().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                log.info("{} channel closed", label);
                handleReconnectDisconnection(1001, "Channel closed");
            }
        });

    }

}

From source file:org.lightmare.remote.rpc.RpcHandler.java

License:Open Source License

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

    RpcWrapper wrapper = ObjectUtils.cast(msg, RpcWrapper.class);

    RcpWrapper rcp = new RcpWrapper();
    Object value;//from   w  ww  .  ja  v  a  2  s  . co m
    try {
        value = RpcUtils.callBeanMethod(wrapper);
        rcp.setValid(Boolean.TRUE);
    } catch (Exception ex) {
        LOG.error(ex.getMessage(), ex);
        value = ex;
    }

    rcp.setValue(value);

    final ChannelFuture future = ctx.writeAndFlush(rcp);

    future.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture lisFuture) {

            try {
                assert (future == lisFuture);
            } finally {
                ctx.close();
            }
        }
    });
}