Example usage for io.netty.channel ChannelHandlerContext fireChannelActive

Introduction

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

Prototype

@Override
    ChannelHandlerContext fireChannelActive();

Source Link

Usage

From source file:com.github.liyp.netty.HandlerChainApp.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup boss = new NioEventLoopGroup();
    EventLoopGroup worker = new NioEventLoopGroup();

    try {//  w  w  w  .j  av a  2s.c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(boss, worker).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                            @Override
                            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                                logger.info("1");
                                ctx.fireChannelActive();
                            }
                        }).addLast(new ChannelInboundHandlerAdapter() {
                            @Override
                            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                                logger.info("2");
                                ctx.fireChannelActive();
                            }
                        }).addLast(new ChannelInboundHandlerAdapter() {
                            @Override
                            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                                logger.info("3");
                                ctx.fireChannelActive();
                            }
                        });
                    }
                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
        ChannelFuture f = b.bind(PORT).sync();
        logger.info("9999");
        f.channel().closeFuture().sync();
    } finally {
        worker.shutdownGracefully();
        boss.shutdownGracefully();
    }
}

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From source file:com.github.nettybook.ch0.LoggingHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    if (logger.isEnabled(internalLevel)) {
        logger.log(internalLevel, format(ctx, "ACTIVE"));
    }// w  w w  .j  a  v a  2s .  c  om
    ctx.fireChannelActive();
}

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From source file:com.lambdaworks.redis.PlainChannelInitializer.java

License:Apache License

static void pingBeforeActivate(AsyncCommand<?, ?, ?> cmd, CompletableFuture<Boolean> initializedFuture,
        ChannelHandlerContext ctx, ClientResources clientResources, long timeout, TimeUnit timeUnit)
        throws Exception {

    ctx.channel().writeAndFlush(cmd);/*from w  ww .  j  a  v  a2s.  c o  m*/

    Runnable timeoutGuard = () -> {

        if (cmd.isDone() || initializedFuture.isDone()) {
            return;
        }

        initializedFuture.completeExceptionally(new RedisCommandTimeoutException(String
                .format("Cannot initialize channel (PING before activate) within %d %s", timeout, timeUnit)));
    };

    Timeout timeoutHandle = clientResources.timer().newTimeout(t -> {

        if (clientResources.eventExecutorGroup().isShuttingDown()) {
            timeoutGuard.run();
            return;
        }

        clientResources.eventExecutorGroup().submit(timeoutGuard);
    }, timeout, timeUnit);

    cmd.whenComplete((o, throwable) -> {

        timeoutHandle.cancel();

        if (throwable == null) {
            ctx.fireChannelActive();
            initializedFuture.complete(true);
        } else {
            initializedFuture.completeExceptionally(throwable);
        }
    });

}

---

From source file:com.linecorp.armeria.client.http.HttpClientPipelineConfigurator.java

License:Apache License

private void configureAsHttp(Channel ch) {
    final ChannelPipeline pipeline = ch.pipeline();

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;//from  www  .  j  av a2  s .  c  o  m
        break;
    case HTTP2_PREFERRED:
        attemptUpgrade = !SessionProtocolNegotiationCache.isUnsupported(remoteAddress, H2C);
        break;
    case HTTP2_REQUIRED:
        attemptUpgrade = true;
        break;
    default:
        // Should never reach here.
        throw new Error();
    }

    if (attemptUpgrade) {
        final Http2ClientConnectionHandler http2Handler = newHttp2ConnectionHandler(ch);
        if (options.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(http2Handler);
        } else {
            Http1ClientCodec http1Codec = newHttp1Codec();
            Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(http2Handler);
            HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, (int) Math.min(Integer.MAX_VALUE, UPGRADE_RESPONSE_MAX_LENGTH));

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler(http2Handler.responseDecoder()));
        }
    } else {
        pipeline.addLast(newHttp1Codec());

        // NB: We do not call finishSuccessfully() immediately here
        //     because it assumes HttpSessionHandler to be in the pipeline,
        //     which is only true after the connection attempt is successful.
        pipeline.addLast(new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                ctx.pipeline().remove(this);
                finishSuccessfully(pipeline, H1C);
                ctx.fireChannelActive();
            }
        });
    }
}

---

From source file:com.linecorp.armeria.client.HttpClientPipelineConfigurator.java

License:Apache License

private void configureAsHttp(Channel ch) {
    final ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(TrafficLoggingHandler.CLIENT);

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;// w  w  w .j  a  v a 2s . c  o  m
        break;
    case HTTP2_PREFERRED:
        assert remoteAddress != null;
        attemptUpgrade = !SessionProtocolNegotiationCache.isUnsupported(remoteAddress, H2C);
        break;
    case HTTP2_REQUIRED:
        attemptUpgrade = true;
        break;
    default:
        // Should never reach here.
        throw new Error();
    }

    if (attemptUpgrade) {
        final Http2ClientConnectionHandler http2Handler = newHttp2ConnectionHandler(ch);
        if (clientFactory.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(http2Handler);
        } else {
            final Http1ClientCodec http1Codec = newHttp1Codec(clientFactory.maxHttp1InitialLineLength(),
                    clientFactory.maxHttp1HeaderSize(), clientFactory.maxHttp1ChunkSize());
            final Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(http2Handler);
            final HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, (int) Math.min(Integer.MAX_VALUE, UPGRADE_RESPONSE_MAX_LENGTH));

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler(http2Handler.responseDecoder()));
        }
    } else {
        pipeline.addLast(newHttp1Codec(clientFactory.maxHttp1InitialLineLength(),
                clientFactory.maxHttp1HeaderSize(), clientFactory.maxHttp1ChunkSize()));

        // NB: We do not call finishSuccessfully() immediately here
        //     because it assumes HttpSessionHandler to be in the pipeline,
        //     which is only true after the connection attempt is successful.
        pipeline.addLast(new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                ctx.pipeline().remove(this);
                finishSuccessfully(pipeline, H1C);
                ctx.fireChannelActive();
            }
        });
    }
}

---

From source file:com.linecorp.armeria.client.HttpConfigurator.java

License:Apache License

private void configureAsHttp(Channel ch) {
    final ChannelPipeline pipeline = ch.pipeline();

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;// ww w .j  a va2  s  .com
        break;
    case HTTP2_PREFERRED:
        attemptUpgrade = !SessionProtocolNegotiationCache.isUnsupported(remoteAddress, H2C);
        break;
    case HTTP2_REQUIRED:
        attemptUpgrade = true;
        break;
    default:
        // Should never reach here.
        throw new Error();
    }

    if (attemptUpgrade) {
        if (options.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(newHttp2ConnectionHandler(ch));
        } else {
            Http1ClientCodec http1Codec = newHttp1Codec();
            Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(
                    newHttp2ConnectionHandler(ch));
            HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, options.maxFrameLength());

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler());
        }
    } else {
        pipeline.addLast(newHttp1Codec());

        // NB: We do not call finishSuccessfully() immediately here
        //     because it assumes HttpSessionHandler to be in the pipeline,
        //     which is only true after the connection attempt is successful.
        pipeline.addLast(new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                ctx.pipeline().remove(this);
                finishSuccessfully(pipeline, H1C);
                ctx.fireChannelActive();
            }
        });
    }
}

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From source file:com.mastfrog.scamper.codec.MessageCodec.java

License:Open Source License

/**
 * Called when the channel becomes active
 *
 * @param ctx The context/*from www.  j av  a 2 s .com*/
 */
public void onChannelActive(ChannelHandlerContext ctx) {
    ctx.fireChannelActive();
}

---

From source file:com.netty.fileTest.file.FileReaderClientHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    channel = ctx.channel();//from   w ww . j a va2s .  c  o m
    ctx.fireChannelActive();
}

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From source file:com.qc.you.socket.server.netty.handler.SomethingServerHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    Assert.notNull(this.channelRepository,
            "[Assertion failed] - ChannelRepository is required; it must not be null");

    ctx.fireChannelActive();
    logger.debug(ctx.channel().remoteAddress());
    String channelKey = ctx.channel().remoteAddress().toString();
    channelRepository.put(channelKey, ctx.channel());

    ctx.writeAndFlush("Your channel key is " + channelKey + "\n\r");

    logger.debug("Binded Channel Count is " + this.channelRepository.size());
}

---

From source file:com.soho.framework.server.netty.http.HttpServletHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    log.debug("Opening new channel: {}", ctx.channel().id());
    ServletWebApp.get().getSharedChannelGroup().add(ctx.channel());

    ctx.fireChannelActive();
}

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