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.gxkj.demo.netty.proxy.HexDumpProxyFrontendHandler.java

License:Apache 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(ctx.channel().getClass())
            .handler(new HexDumpProxyBackendHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);

    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();/*  w  ww  .ja  v  a  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.gxkj.demo.netty.proxy.HexDumpProxyFrontendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
    if (outboundChannel.isActive()) {
        outboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
            @Override/* www . j  a  va2s  .c o m*/
            public void operationComplete(ChannelFuture future) throws Exception {
                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:com.hazelcast.openshift.TunnelClientAcceptor.java

License:Open Source License

private Channel createRemoteChannel(Channel socket) throws Exception {
    Bootstrap bootstrap = createBootstrap(socket);
    ChannelFuture connectFuture = bootstrap.connect(forwardHost, forwardPort);
    ChannelFuture future = connectFuture.sync();
    if (!future.isSuccess()) {
        return null;
    }//from w  w  w .java2 s.c o m

    return future.channel();
}

From source file:com.heliosapm.streams.tracing.writers.NetWriter.java

License:Apache License

/**
 * {@inheritDoc}/*from  ww w . j a v a2s.c  o  m*/
 * @see com.heliosapm.streams.tracing.AbstractMetricWriter#doMetrics(java.util.Collection)
 */
@Override
protected void doMetrics(final Collection<StreamedMetric> metrics) {
    if (metrics == null || metrics.isEmpty())
        return;
    final int size = metrics.size();
    if (!connectionsAvailable.get()) {
        failedMetrics.add(size);
        return;
    }

    boolean complete = false;
    for (Channel ch : channels) {
        final ChannelFuture cf = ch.writeAndFlush(metrics).syncUninterruptibly();
        if (cf.isSuccess()) {
            complete = true;
            sentMetrics.add(size);
            break;
        }
    }
    if (!complete) {
        failedMetrics.add(size);
    }
}

From source file:com.heliosapm.streams.tracing.writers.NetWriter.java

License:Apache License

/**
 * {@inheritDoc}//  w  w w.j  av  a 2s  .  com
 * @see com.heliosapm.streams.tracing.AbstractMetricWriter#doMetrics(com.heliosapm.streams.metrics.StreamedMetric[])
 */
@Override
protected void doMetrics(final StreamedMetric... metrics) {
    if (metrics == null || metrics.length == 0)
        return;
    final int size = metrics.length;
    if (!connectionsAvailable.get()) {
        failedMetrics.add(size);
        return;
    }
    boolean complete = false;
    for (Channel ch : channels) {
        final ChannelFuture cf = ch.writeAndFlush(metrics).syncUninterruptibly();
        if (cf.isSuccess()) {
            complete = true;
            sentMetrics.add(size);
            break;
        }
    }
    if (!complete) {
        this.failedMetrics.add(size);
    }
}

From source file:com.heliosapm.streams.tracing.writers.NetWriter.java

License:Apache License

/**
 * {@inheritDoc}// w  w w  .  j  a va  2 s  . c  o m
 * @see com.heliosapm.streams.tracing.AbstractMetricWriter#onMetrics(io.netty.buffer.ByteBuf)
 */
@Override
public void onMetrics(final ByteBuf metrics) {
    if (metrics == null || metrics.readableBytes() < 5)
        return;
    final int size = metrics.getInt(1);
    if (!connectionsAvailable.get()) {
        // FIXME: drop counter
        return;
    }

    boolean complete = false;
    for (Channel ch : channels) {
        final ChannelFuture cf = ch.writeAndFlush(metrics).syncUninterruptibly();
        if (cf.isSuccess()) {
            complete = true;
            break;
        }
    }
    if (!complete) {
        this.failedMetrics.add(size);
    }
}

From source file:com.hipishare.chat.SecureChatClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
            .build();//from   w  ww.ja va2s  .c o  m

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        bootstrap = new Bootstrap();
        bootstrap.group(group).channel(NioSocketChannel.class).handler(new SecureChatClientInitializer(sslCtx));

        // Start the connection attempt.
        ChannelFuture channelFuture = bootstrap.connect(HOST, PORT).sync();
        channel = channelFuture.channel();
        //         channel.closeFuture().sync();

        // add reconnect listener
        reConnectListener = new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    channel.close();
                    channel = future.channel();
                    LOG.info("???");
                } else {
                    LOG.info("??");
                    // 3??
                    future.channel().eventLoop().schedule(new Runnable() {
                        @Override
                        public void run() {
                            reConnect();
                        }
                    }, 3, TimeUnit.SECONDS);
                }
            }
        };

        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

            // Sends the received line to the server.
            LOG.info("isActive=" + channel.isActive());
            LOG.info("isOpen=" + channel.isOpen());
            LOG.info("isWritable=" + channel.isWritable());
            if (!channel.isOpen()) {
                reConnect();
            }
            lastWriteFuture = channel.writeAndFlush("[channelId=" + channel.id() + "]" + line + "\r\n");

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                channel.closeFuture().sync();
                break;
            }
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}

From source file:com.hipishare.chat.securetest.SecureChatClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
            .build();/*  w ww .j  av a 2s  .c  om*/

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        bootstrap = new Bootstrap();
        bootstrap.group(group).channel(NioSocketChannel.class).handler(new SecureChatClientInitializer(sslCtx));

        // Start the connection attempt.
        ChannelFuture channelFuture = bootstrap.connect(HOST, PORT).sync();
        channel = channelFuture.channel();

        // add reconnect listener
        reConnectListener = new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    channel.close();
                    channel = future.channel();
                    LOG.info("???");
                } else {
                    LOG.info("??");
                    // 3??
                    future.channel().eventLoop().schedule(new Runnable() {
                        @Override
                        public void run() {
                            reConnect();
                        }
                    }, 3, TimeUnit.SECONDS);
                }
            }
        };

        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

            // Sends the received line to the server.
            if (!channel.isOpen()) {
                reConnect();
            }
            MsgObject msgObj = new MsgObject();
            Gson gson = new Gson();
            if ("1".equals(line)) {
                User user = new User();
                user.setAccount("peter");
                user.setPwd("666666");
                msgObj.setC(CmdEnum.LOGIN.getCmd());
                msgObj.setM(gson.toJson(user));
            } else if ("2".equals(line)) {
                ChatObject co = new ChatObject();
                co.setContent("hello,jack. I am peter.");
                co.setMsgType("text");
                co.setMsgTo("jack");
                co.setMsgFrom("peter");
                co.setCreateTime(System.currentTimeMillis());
                msgObj.setC(CmdEnum.CHAT.getCmd());
                msgObj.setM(gson.toJson(co));
            } else if ("3".equals(line)) {
                RegisterCode rc = new RegisterCode();
                rc.setMobile("13410969042");
                rc.setSign("fdsafsadf");
                msgObj.setC(CmdEnum.REGISTER_CODE.getCmd());
                msgObj.setM(gson.toJson(rc));
            } else if ("4".equals(line)) {
                RegisterCode rc = new RegisterCode();
                rc.setMobile("13410969042");
                rc.setCode("3243");
                rc.setSign("fdsafsadf");
                msgObj.setC(CmdEnum.REGISTER.getCmd());
                msgObj.setM(gson.toJson(rc));
            }
            String msg = gson.toJson(msgObj);
            ByteBuf buf = Unpooled.copiedBuffer(msg.getBytes());
            lastWriteFuture = channel.writeAndFlush(buf);

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                channel.closeFuture().sync();
                break;
            }
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
        channel.closeFuture().sync();
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}

From source file:com.hop.hhxx.example.proxy.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 io.netty.example.proxy.HexDumpProxyBackendHandler(inboundChannel))
            .option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();/*  w w  w .  j  av  a  2  s.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.hop.hhxx.example.proxy.HexDumpProxyFrontendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) {
    if (outboundChannel.isActive()) {
        outboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
            @Override//  ww w.j av a  2s.  c  o m
            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();
                }
            }
        });
    }
}