Example usage for io.netty.channel ChannelPipeline addFirst

Introduction

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

Prototype

ChannelPipeline addFirst(EventExecutorGroup group, String name, ChannelHandler handler);

Source Link

Document

Inserts a ChannelHandler at the first position of this pipeline.

Usage

From source file:org.apache.hadoop.hbase.security.NettyHBaseSaslRpcClient.java

License:Apache License

public void setupSaslHandler(ChannelPipeline p) {
    String qop = (String) saslClient.getNegotiatedProperty(Sasl.QOP);
    if (LOG.isDebugEnabled()) {
        LOG.debug("SASL client context established. Negotiated QoP: " + qop);
    }/* www .java2  s . c  o m*/

    if (qop == null || "auth".equalsIgnoreCase(qop)) {
        return;
    }
    // add wrap and unwrap handlers to pipeline.
    p.addFirst(new SaslWrapHandler(saslClient), new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4),
            new SaslUnwrapHandler(saslClient));
}

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From source file:org.hongxi.whatsmars.remoting.netty.NettyRemotingClient.java

License:Apache License

@Override
public void start() {
    this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(nettyClientConfig.getClientWorkerThreads(),
            new ThreadFactory() {

                private AtomicInteger threadIndex = new AtomicInteger(0);

                @Override/*from   w w w  .  j a v a2s .  com*/
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyClientWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    Bootstrap handler = this.bootstrap.group(this.eventLoopGroupWorker).channel(NioSocketChannel.class)
            .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_KEEPALIVE, false)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, nettyClientConfig.getConnectTimeoutMillis())
            .option(ChannelOption.SO_SNDBUF, nettyClientConfig.getClientSocketSndBufSize())
            .option(ChannelOption.SO_RCVBUF, nettyClientConfig.getClientSocketRcvBufSize())
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipeline = ch.pipeline();
                    if (nettyClientConfig.isUseTLS()) {
                        if (null != sslContext) {
                            pipeline.addFirst(defaultEventExecutorGroup, "sslHandler",
                                    sslContext.newHandler(ch.alloc()));
                            log.info("Prepend SSL handler");
                        } else {
                            log.warn("Connections are insecure as SSLContext is null!");
                        }
                    }
                    pipeline.addLast(defaultEventExecutorGroup, new NettyEncoder(), new NettyDecoder(),
                            new IdleStateHandler(0, 0, nettyClientConfig.getClientChannelMaxIdleTimeSeconds()),
                            new NettyConnectManageHandler(), new NettyClientHandler());
                }
            });

    this.timer.scheduleAtFixedRate(new TimerTask() {
        @Override
        public void run() {
            try {
                NettyRemotingClient.this.scanResponseTable();
            } catch (Throwable e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);

    if (this.channelEventListener != null) {
        this.nettyEventExecutor.start();
    }
}

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