Example usage for io.netty.channel ChannelFutureListener ChannelFutureListener

Introduction

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

Prototype

ChannelFutureListener

Source Link

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();/*from   w w w . j a va2s .  c o m*/
    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  .jav  a  2 s.  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.gxkj.demo.netty.socksproxy.SocksServerConnectHandler.java

License:Apache License

@Override
public void messageReceived(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    Promise<Channel> promise = ctx.executor().newPromise();
    promise.addListener(new GenericFutureListener<Future<Channel>>() {
        @Override/*from w w  w .  ja v  a  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) throws Exception {
                                ctx.pipeline().remove(getName());
                                outboundChannel.pipeline().addLast(new RelayHandler(ctx.channel()));
                                ctx.channel().pipeline().addLast(new RelayHandler(outboundChannel));
                            }
                        });
            } 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 DirectClientInitializer(promise));

    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:com.hazelcast.simulator.protocol.handler.ConnectionHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object obj) throws Exception {
    if (!(obj instanceof ByteBuf)) {
        return;//from  w ww. jav  a  2s.  c o  m
    }

    ByteBuf buf = (ByteBuf) obj;
    if (buf.readableBytes() < MINIMUM_BYTE_BUFFER_SIZE) {
        return;
    }

    if (!isSimulatorMessage(buf) && !isResponse(buf)) {
        LOGGER.warn(format("Invalid connection from %s (no magic bytes found)", ctx.channel().remoteAddress()));
        ctx.close();
        return;
    }

    // the connection is valid so we remove this handler and forward the buffer to the pipeline
    LOGGER.info(format("Valid connection from %s (magic bytes found)", ctx.channel().remoteAddress()));
    isConnectionValid.countDown();
    ctx.pipeline().remove(this);
    ctx.fireChannelRead(obj);

    ctx.channel().closeFuture().addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            connectionListener.disconnected(future.channel());
        }
    });

    connectionListener.connected(ctx.channel());
}

From source file:com.hazelcast.simulator.protocol.handler.ConnectionListenerHandler.java

License:Open Source License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    ctx.channel().closeFuture().addListener(new ChannelFutureListener() {
        @Override//from  w ww. j a v a  2 s  . co  m
        public void operationComplete(ChannelFuture future) throws Exception {
            connectionListener.disconnected(future.channel());
        }
    });

    connectionListener.connected(ctx.channel());
}

From source file:com.heliosapm.webrpc.jsonservice.services.SystemJSONServices.java

License:Apache License

/**
 * Subscribes the calling channel to system status messages
 * @param request The request from the subscribing channel
 * <p>Invoker:<b><code>sendRemoteRequest('ws://localhost:4243/ws', {svc:'system', op:'subsysstat'});</code></b>
 *//*from   w  w  w.  j  a va  2s .c  o m*/
@JSONRequestHandler(name = "subsysstat", type = RequestType.SUBSCRIBE, description = "Subscribes the calling channel to system status messages")
public void subscribeSystemStatus(final JSONRequest request) {
    if (systemStatusChannelGroup.add(request.channel)) {
        request.channel.closeFuture().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                systemStatusRids.remove(future.channel());
            }
        });
        systemStatusRids.put(request.channel, request.requestId);
        ArrayNode arrNode = nodeFactory.arrayNode();
        request.response(ResponseType.SUB_STARTED).setContent(arrNode).send();
    }
}

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 . j a va 2 s .  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();/*from  ww w . j a  va 2s . com*/

    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.factorial.FactorialClientHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, final BigInteger msg) {
    receivedMessages++;//w  w  w.j av a  2  s  .c o m
    if (receivedMessages == io.netty.example.factorial.FactorialClient.COUNT) {
        // Offer the answer after closing the connection.
        ctx.channel().close().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) {
                boolean offered = answer.offer(msg);
                assert offered;
            }
        });
    }
}

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  ww  .  j av  a 2s .  c om*/
    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();
            }
        }
    });
}