Example usage for io.netty.channel ChannelFuture channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

From source file:com.mpush.client.gateway.connection.GatewayTCPConnectionFactory.java

License:Apache License

private void addConnection(String host, int port, boolean sync) {
    ChannelFuture future = client.connect(host, port);
    future.channel().attr(attrKey).set(getHostAndPort(host, port));
    future.addListener(f -> {//from w w w . j  a  v  a  2 s .  co  m
        if (!f.isSuccess()) {
            logger.error("create gateway connection ex, host={}, port={}", host, port, f.cause());
        }
    });
    if (sync)
        future.awaitUninterruptibly();
}

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From source file:com.mpush.core.push.BroadcastPushTask.java

License:Apache License

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (future.isSuccess()) {//??
        Logs.PUSH.info("[Broadcast] push message to client success, userId={}, message={}", message.getUserId(),
                message);//  w  w w . ja v  a  2 s .  co m
    } else {//?
        Logs.PUSH.warn("[Broadcast] push message to client failure, userId={}, message={}, conn={}",
                message.getUserId(), message, future.channel());
    }
    if (finishTasks.decrementAndGet() == 0) {
        report();
    }
}

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From source file:com.mpush.core.push.SingleUserPushTask.java

License:Apache License

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (checkTimeout())
        return;//from ww w . java 2s  .c o  m

    if (future.isSuccess()) {//??

        if (message.isNeedAck()) {//?ACK, ?ACK
            addAckTask(messageId);
        } else {
            PushCenter.I.getPushListener().onSuccess(message, timeLine.successEnd().getTimePoints());
        }

        Logs.PUSH.info("[SingleUserPush] push message to client success, timeLine={}, message={}", timeLine,
                message);

    } else {//?

        PushCenter.I.getPushListener().onFailure(message, timeLine.failureEnd().getTimePoints());

        Logs.PUSH.error("[SingleUserPush] push message to client failure, message={}, conn={}", message,
                future.channel());
    }
}

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From source file:com.mpush.netty.connection.NettyConnection.java

License:Apache License

@Override
public ChannelFuture send(Packet packet, final ChannelFutureListener listener) {
    if (channel.isActive()) {

        ChannelFuture future = channel.writeAndFlush(packet.toFrame(channel)).addListener(this);

        if (listener != null) {
            future.addListener(listener);
        }//from  w  w w . ja  v  a2  s  .  com

        if (channel.isWritable()) {
            return future;
        }

        //
        //return channel.newPromise().setFailure(new RuntimeException("send data too busy"));
        if (!future.channel().eventLoop().inEventLoop()) {
            future.awaitUninterruptibly(100);
        }
        return future;
    } else {
        /*if (listener != null) {
        channel.newPromise()
                .addListener(listener)
                .setFailure(new RuntimeException("connection is disconnected"));
        }*/
        return this.close();
    }
}

---

From source file:com.mpush.netty.server.NettyServer.java

License:Apache License

private void createServer(final Listener listener, EventLoopGroup boss, EventLoopGroup work,
        Class<? extends ServerChannel> clazz) {
    /***//from   ww w.  ja v a2  s.  co  m
     * NioEventLoopGroup ??I/O?
     * Netty????EventLoopGroup??????
     * ?2NioEventLoopGroup
     * ???boss??
     * ???worker???
     * boss?worker
     * ???Channels??EventLoopGroup
     * ???
     */
    this.bossGroup = boss;
    this.workerGroup = work;

    try {
        /**
         * ServerBootstrap ?NIO??
         * ??Channel
         */
        ServerBootstrap b = new ServerBootstrap();

        /**
         * groupjava.lang.IllegalStateException: group not set
         */
        b.group(bossGroup, workerGroup);

        /***
         * ServerSocketChannelNIOselector?
         * Channel?.
         */
        b.channel(clazz);

        /***
         * ?????Channel
         * ChannelInitializer?
         * ?Channel
         * ?NettyServerHandler??Channel
         * ChannelPipeline??
         * ??????pipeline
         * ??????
         */
        b.childHandler(new ChannelInitializer<SocketChannel>() { // (4)
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                initPipeline(ch.pipeline());
            }
        });

        initOptions(b);

        /***
         * ???
         */
        ChannelFuture f = b.bind(port).sync().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    Logs.Console.error("server start success on:{}", port);
                    if (listener != null)
                        listener.onSuccess(port);
                } else {
                    Logs.Console.error("server start failure on:{}", port, future.cause());
                    if (listener != null)
                        listener.onFailure(future.cause());
                }
            }
        });
        if (f.isSuccess()) {
            serverState.set(State.Started);
            /**
             * socket
             */
            f.channel().closeFuture().sync();
        }

    } catch (Exception e) {
        logger.error("server start exception", e);
        if (listener != null)
            listener.onFailure(e);
        throw new ServiceException("server start exception, port=" + port, e);
    } finally {
        /***
         * 
         */
        stop(null);
    }
}

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From source file:com.mpush.test.client.ConnClientBoot.java

License:Apache License

public ChannelFuture connect(InetSocketAddress remote, InetSocketAddress local, ClientConfig clientConfig) {
    ChannelFuture future = local != null ? bootstrap.connect(remote, local) : bootstrap.connect(remote);
    if (future.channel() != null)
        future.channel().attr(CONFIG_KEY).set(clientConfig);
    future.addListener(f -> {//from  ww w  .j  a v a2s .  com
        if (f.isSuccess()) {
            future.channel().attr(CONFIG_KEY).set(clientConfig);
            LOGGER.info("start netty client success, remote={}, local={}", remote, local);
        } else {
            LOGGER.error("start netty client failure, remote={}, local={}", remote, local, f.cause());
        }
    });
    return future;
}

---

From source file:com.my.netty.object.ObjectEchoClient.java

License:Apache License

public void run() throws Exception {
    Bootstrap b = new Bootstrap();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w ww . j a v  a  2 s .  co  m
        b.group(workerGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ObjectEncoder())
                                .addLast(new ObjectDecoder(ClassResolvers.cacheDisabled(null)))
                                .addLast(new ObjectEchoClientHandler(firstMessageSize));
                    }
                });

        // Start the connection attempt.
        System.out.println("client prepare connect");
        ChannelFuture f1 = b.connect(host, port).sync();
        ChannelFuture f2 = b.connect(host, port).sync();

        f1.channel().closeFuture().sync();
        f2.channel().closeFuture().sync();
    } finally {
        System.out.println("client do finally");
        workerGroup.shutdownGracefully();
        System.out.println("client closing");
    }
}

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From source file:com.nanxiaoqiang.test.netty.protocol.demo1.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO//  w w w.  j av  a  2 s.  co m
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws IOException {
                    ch.pipeline().addLast(new NettyMessageDecoder(1024 * 1024, 4, 4));// ?
                    ch.pipeline().addLast(new NettyMessageEncoder());// ?
                    ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(50));// ??
                    ch.pipeline().addLast(new LoginAuthRespHandler());// 
                    ch.pipeline().addLast("HeartBeatHandler", new HeartBeatRespHandler());// 
                }
            });

    // ???
    ChannelFuture cf = b.bind(NettyConstant.REMOTEIP, NettyConstant.PORT);
    cf.channel().closeFuture().sync();
    System.out.println("Netty server start ok : " + (NettyConstant.REMOTEIP + " : " + NettyConstant.PORT));
}

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From source file:com.navercorp.nbasearc.gcp.PhysicalConnection.java

License:Apache License

private void connectionComplete(ChannelFuture cf) {
    if (cf.cause() != null) {
        eventLoop.getEventLoopGroup().schedule(reconnectJob, reconnectInterval, TimeUnit.MILLISECONDS);
        return;//w  ww.j  a v  a  2s . com
    }
    gw.increaseActive();
    ch = cf.channel();
    channelConnected = true;
    setState(CONNECTED);
}

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From source file:com.navercorp.pinpoint.plugin.netty.NettyIT.java

License:Apache License

@Test
public void writeTest() throws Exception {
    final CountDownLatch awaitLatch = new CountDownLatch(1);

    Bootstrap bootstrap = client();/*w ww. j a v a 2s. co  m*/
    bootstrap.connect(webServer.getHostname(), webServer.getListeningPort())
            .addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        Channel channel = future.channel();
                        channel.pipeline().addLast(new SimpleChannelInboundHandler() {

                            @Override
                            protected void channelRead0(ChannelHandlerContext ctx, Object msg)
                                    throws Exception {
                                awaitLatch.countDown();
                            }

                        });
                        HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET,
                                "/");
                        future.channel().writeAndFlush(request);
                    }
                }

            });

    boolean await = awaitLatch.await(3000, TimeUnit.MILLISECONDS);
    Assert.assertTrue(await);

    PluginTestVerifier verifier = PluginTestVerifierHolder.getInstance();
    verifier.printCache();

    verifier.verifyTrace(event("NETTY", Bootstrap.class.getMethod("connect", SocketAddress.class),
            annotation("netty.address", webServer.getHostAndPort())));
    verifier.verifyTrace(event("NETTY",
            "io.netty.channel.DefaultChannelPromise.addListener(io.netty.util.concurrent.GenericFutureListener)"));
    verifier.verifyTrace(event("ASYNC", "Asynchronous Invocation"));
    verifier.verifyTrace(
            event("NETTY_INTERNAL", "io.netty.util.concurrent.DefaultPromise.notifyListenersNow()"));
    verifier.verifyTrace(event("NETTY_INTERNAL",
            "io.netty.util.concurrent.DefaultPromise.notifyListener0(io.netty.util.concurrent.Future, io.netty.util.concurrent.GenericFutureListener)"));
    verifier.verifyTrace(
            event("NETTY", "io.netty.channel.DefaultChannelPipeline.writeAndFlush(java.lang.Object)"));
    verifier.verifyTrace(event("NETTY_HTTP",
            "io.netty.handler.codec.http.HttpObjectEncoder.encode(io.netty.channel.ChannelHandlerContext, java.lang.Object, java.util.List)",
            annotation("http.url", "/")));
}

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