Example usage for io.netty.channel ChannelFuture isSuccess

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.mpush.core.push.SingleUserPushTask.java

License:Apache License

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (checkTimeout())
        return;//  w  w w  .j av  a  2 s .  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.client.NettyClient.java

License:Apache License

@Override
public void start(final Listener listener) {
    if (started.compareAndSet(false, true)) {
        Bootstrap bootstrap = new Bootstrap();
        workerGroup = new NioEventLoopGroup();
        bootstrap.group(workerGroup)//
                .option(ChannelOption.TCP_NODELAY, true)//
                .option(ChannelOption.SO_REUSEADDR, true)//
                .option(ChannelOption.SO_KEEPALIVE, true)//
                .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)//
                .channel(NioSocketChannel.class).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 4000);

        bootstrap.handler(new ChannelInitializer<SocketChannel>() { // (4)
            @Override/*from   w w w .j  av  a  2s .c  o  m*/
            public void initChannel(SocketChannel ch) throws Exception {
                initPipeline(ch.pipeline());
            }
        });

        ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
        future.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    if (listener != null)
                        listener.onSuccess(port);
                    LOGGER.info("start netty client success, host={}, port={}", host, port);
                } else {
                    if (listener != null)
                        listener.onFailure(future.cause());
                    LOGGER.error("start netty client failure, host={}, port={}", host, port, future.cause());
                }
            }
        });
    } else {
        listener.onFailure(new ServiceException("client has started!"));
    }
}

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

License:Apache License

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (future.isSuccess()) {
        lastWriteTime = System.currentTimeMillis();
    } else {//from w  w w  .ja  v a 2s . c  om
        LOGGER.error("connection send msg error", future.cause());
        Logs.CONN.error("connection send msg error={}, conn={}", future.cause().getMessage(), this);
    }
}

---

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 a 2 s.c om
     * 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);
    }
}

---

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  w w  .ja v a  2 s. c  o  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", "/")));
}

---

From source file:com.necla.simba.server.gateway.server.backend.BackendConnector.java

License:Apache License

public void connect(Properties props, List<String> backends, SubscriptionManager subscriptionManager,
        ClientAuthenticationManager cam) throws URISyntaxException, IOException {
    this.subscriptionManager = subscriptionManager;
    this.cam = cam;
    hasher = new ConsistentHash(backends);

    int nthreads = Integer.parseInt(props.getProperty("backend.server.thread_count", "-1"));

    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(nthreads == -1 ? new NioEventLoopGroup() : new NioEventLoopGroup(nthreads))
            .handler(new BackendConnectorIntializer()).channel(NioSocketChannel.class);
    try {//from  ww  w  .ja  v  a 2 s.c  om
        for (String s : backends) {
            URI uri = new URI("my://" + s);
            if (uri.getHost() == null || uri.getPort() == -1)
                throw new URISyntaxException(s, "Both host and port must be specified for host");
            LOG.debug("Connecting to: " + uri.getHost() + ":" + uri.getPort());

            ChannelFuture cf = bootstrap.connect(uri.getHost(), uri.getPort()).sync();
            if (cf.isSuccess())
                this.backends.put(s, cf.channel());
            else
                throw new IOException("Could not connect to backend " + s + ":" + uri.getPort());

        }
    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

From source file:com.netflix.custom.client.ClientHandler.java

License:Apache License

private void sendNextMessage(Attribute msgToSend, ChannelHandlerContext ctx) {
    if (!waitingForReply.compareAndSet(false, true)) {
        logger.error(/* w  ww.  j a  v a  2 s. c o  m*/
                "Client can not send a command when the response from the last command is not finished. Last command sent: "
                        + lastCommandSent);
        return;
    }
    final String attribName = msgToSend.name();
    lastCommandSent = attribName;
    ctx.writeAndFlush(msgToSend).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                System.out.println("> " + attribName);
            }
            logger.info(String.format("Message sent to the server. Future result, success? %s",
                    future.isSuccess()));
        }
    });
}

---

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void forward(final ChannelHandlerContext ctx, ByteBuf byteBuf) {
    if (inboundChannel.isActive()) {
        inboundChannel.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) {
                if (future.isSuccess()) {
                    ctx.channel().read();
                } else {
                    future.channel().close();
                }/*from  w  w  w .  j  a  v a2  s . c o  m*/
            }
        });
    } else {
    }
}

---

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void handleSettingFrame(final ChannelHandlerContext ctx, Http2Flags flags) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();/*from w w  w . j  ava  2s .c o m*/
    if (!flags.ack()) {

        //00 00 0c 04 00 00 00 00 00 00 03 7f ff ff ff 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x0c);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x03);
        byteBuf.writeByte(0x7f);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0x00);
        //04 00 10 00 00
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x10);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    } else {
        //            System.out.println("********************* setting ack received ...");
        //00 00 00 04 01 00 00 00 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x01);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    }
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println(" ...operationComplete isSuccess");
                ctx.channel().read();
            } else {
                //                    System.out.println("...operationComplete failure");
                future.channel().close();
            }
        }
    });
}

---

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void handleWindowsUpdateFrame(final ChannelHandlerContext ctx) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();/*from w  w  w  .j a  v  a2s  . c om*/
    // 00 00 04 08 00 00 00 00 00 00 0f 00 01
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x04);
    byteBuf.writeByte(0x08);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x0f);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x01);
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                ctx.channel().read();
            } else {
                future.channel().close();
            }
        }
    });
}

---

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