Example usage for io.netty.channel ChannelPipeline addAfter

List of usage examples for io.netty.channel ChannelPipeline addAfter

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Introduction

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

Prototype

ChannelPipeline addAfter(String baseName, String name, ChannelHandler handler);

Source Link

Document

Inserts a ChannelHandler after an existing handler of this pipeline.

Usage

From source file:com.flysoloing.learning.network.netty.http2.helloworld.multiplex.server.Http2ServerInitializer.java

License:Apache License

/**
 * Configure the pipeline for a cleartext upgrade from HTTP to HTTP/2.0
 *//*from   ww  w  .j a v  a 2s.  com*/
private void configureClearText(SocketChannel ch) {
    final ChannelPipeline p = ch.pipeline();
    final HttpServerCodec sourceCodec = new HttpServerCodec();

    p.addLast(sourceCodec);
    p.addLast(new HttpServerUpgradeHandler(sourceCodec, upgradeCodecFactory));
    p.addLast(new SimpleChannelInboundHandler<HttpMessage>() {
        @Override
        protected void channelRead0(ChannelHandlerContext ctx, HttpMessage msg) throws Exception {
            // If this handler is hit then no upgrade has been attempted and the client is just talking HTTP.
            System.err.println("Directly talking: " + msg.protocolVersion() + " (no upgrade was attempted)");
            ChannelPipeline pipeline = ctx.pipeline();
            ChannelHandlerContext thisCtx = pipeline.context(this);
            pipeline.addAfter(thisCtx.name(), null,
                    new HelloWorldHttp1Handler("Direct. No Upgrade Attempted."));
            pipeline.replace(this, null, new HttpObjectAggregator(maxHttpContentLength));
            ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
        }
    });

    p.addLast(new UserEventLogger());
}

From source file:com.google.cloud.pubsub.proxy.moquette.NettyAcceptor.java

License:Open Source License

private void initializePlainTcpTransport(IMessaging messaging, Properties props) throws IOException {
    final NettyMQTTHandler mqttHandler = new NettyMQTTHandler();
    final PubsubHandler handler = new PubsubHandler(pubsub, mqttHandler);
    handler.setMessaging(messaging);//from www.j  av a2 s . c o m
    String host = props.getProperty(Constants.HOST_PROPERTY_NAME);
    int port = Integer.parseInt(props.getProperty(Constants.PORT_PROPERTY_NAME));
    initFactory(host, port, new PipelineInitializer() {
        @Override
        void init(ChannelPipeline pipeline) {
            pipeline.addFirst("idleStateHandler",
                    new IdleStateHandler(0, 0, Constants.DEFAULT_CONNECT_TIMEOUT));
            pipeline.addAfter("idleStateHandler", "idleEventHandler", new MoquetteIdleTimeoutHandler());
            //pipeline.addLast("logger", new LoggingHandler("Netty", LogLevel.ERROR));
            pipeline.addFirst("bytemetrics", new BytesMetricsHandler(bytesMetricsCollector));
            pipeline.addLast("decoder", new MQTTDecoder());
            pipeline.addLast("encoder", new MQTTEncoder());
            pipeline.addLast("metrics", new MessageMetricsHandler(metricsCollector));
            pipeline.addLast("handler", handler);
        }
    });
}

From source file:com.google.cloud.pubsub.proxy.moquette.NettyAcceptor.java

License:Open Source License

private void initializeWebSocketTransport(IMessaging messaging, Properties props) throws IOException {
    String webSocketPortProp = props.getProperty(Constants.WEB_SOCKET_PORT_PROPERTY_NAME);
    if (webSocketPortProp == null) {
        //Do nothing no WebSocket configured
        LOG.info("WebSocket is disabled");
        return;//from ww  w . j  a v  a2 s .co m
    }
    int port = Integer.parseInt(webSocketPortProp);

    final NettyMQTTHandler mqttHandler = new NettyMQTTHandler();
    final PubsubHandler handler = new PubsubHandler(pubsub, mqttHandler);
    handler.setMessaging(messaging);

    String host = props.getProperty(Constants.HOST_PROPERTY_NAME);
    initFactory(host, port, new PipelineInitializer() {
        @Override
        void init(ChannelPipeline pipeline) {
            pipeline.addLast("httpEncoder", new HttpResponseEncoder());
            pipeline.addLast("httpDecoder", new HttpRequestDecoder());
            pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
            pipeline.addLast("webSocketHandler",
                    new WebSocketServerProtocolHandler("/mqtt"/*"/mqtt"*/, "mqttv3.1, mqttv3.1.1"));
            //pipeline.addLast("webSocketHandler", new WebSocketServerProtocolHandler(null, "mqtt"));
            pipeline.addLast("ws2bytebufDecoder", new WebSocketFrameToByteBufDecoder());
            pipeline.addLast("bytebuf2wsEncoder", new ByteBufToWebSocketFrameEncoder());
            pipeline.addFirst("idleStateHandler",
                    new IdleStateHandler(0, 0, Constants.DEFAULT_CONNECT_TIMEOUT));
            pipeline.addAfter("idleStateHandler", "idleEventHandler", new MoquetteIdleTimeoutHandler());
            pipeline.addFirst("bytemetrics", new BytesMetricsHandler(bytesMetricsCollector));
            pipeline.addLast("decoder", new MQTTDecoder());
            pipeline.addLast("encoder", new MQTTEncoder());
            pipeline.addLast("metrics", new MessageMetricsHandler(metricsCollector));
            pipeline.addLast("handler", handler);
        }
    });
}

From source file:com.google.cloud.pubsub.proxy.moquette.NettyAcceptor.java

License:Open Source License

private void initializeSslTcpTransport(IMessaging messaging, Properties props, final SslHandler sslHandler)
        throws IOException {
    String sslPortProp = props.getProperty(Constants.SSL_PORT_PROPERTY_NAME);
    if (sslPortProp == null) {
        //Do nothing no SSL configured
        LOG.info("SSL is disabled");
        return;// w w  w.j av a 2 s .  co  m
    }

    int sslPort = Integer.parseInt(sslPortProp);
    LOG.info("Starting SSL on port {}", sslPort);

    final NettyMQTTHandler mqttHandler = new NettyMQTTHandler();
    final PubsubHandler handler = new PubsubHandler(pubsub, mqttHandler);
    handler.setMessaging(messaging);
    String host = props.getProperty(Constants.HOST_PROPERTY_NAME);
    initFactory(host, sslPort, new PipelineInitializer() {
        @Override
        void init(ChannelPipeline pipeline) throws Exception {
            pipeline.addLast("ssl", sslHandler);
            pipeline.addFirst("idleStateHandler",
                    new IdleStateHandler(0, 0, Constants.DEFAULT_CONNECT_TIMEOUT));
            pipeline.addAfter("idleStateHandler", "idleEventHandler", new MoquetteIdleTimeoutHandler());
            //pipeline.addLast("logger", new LoggingHandler("Netty", LogLevel.ERROR));
            pipeline.addFirst("bytemetrics", new BytesMetricsHandler(bytesMetricsCollector));
            pipeline.addLast("decoder", new MQTTDecoder());
            pipeline.addLast("encoder", new MQTTEncoder());
            pipeline.addLast("metrics", new MessageMetricsHandler(metricsCollector));
            pipeline.addLast("handler", handler);
        }
    });
}

From source file:com.google.cloud.pubsub.proxy.moquette.NettyAcceptor.java

License:Open Source License

private void initializeWssTransport(IMessaging messaging, Properties props, final SslHandler sslHandler)
        throws IOException {
    String sslPortProp = props.getProperty(Constants.WSS_PORT_PROPERTY_NAME);
    if (sslPortProp == null) {
        //Do nothing no SSL configured
        LOG.info("SSL is disabled");
        return;/* www .j a va 2s . com*/
    }
    int sslPort = Integer.parseInt(sslPortProp);
    final NettyMQTTHandler mqttHandler = new NettyMQTTHandler();
    final PubsubHandler handler = new PubsubHandler(pubsub, mqttHandler);
    handler.setMessaging(messaging);
    String host = props.getProperty(Constants.HOST_PROPERTY_NAME);
    initFactory(host, sslPort, new PipelineInitializer() {
        @Override
        void init(ChannelPipeline pipeline) throws Exception {
            pipeline.addLast("ssl", sslHandler);
            pipeline.addLast("httpEncoder", new HttpResponseEncoder());
            pipeline.addLast("httpDecoder", new HttpRequestDecoder());
            pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
            pipeline.addLast("webSocketHandler",
                    new WebSocketServerProtocolHandler("/mqtt", "mqttv3.1, mqttv3.1.1"));
            pipeline.addLast("ws2bytebufDecoder", new WebSocketFrameToByteBufDecoder());
            pipeline.addLast("bytebuf2wsEncoder", new ByteBufToWebSocketFrameEncoder());
            pipeline.addFirst("idleStateHandler",
                    new IdleStateHandler(0, 0, Constants.DEFAULT_CONNECT_TIMEOUT));
            pipeline.addAfter("idleStateHandler", "idleEventHandler", new MoquetteIdleTimeoutHandler());
            pipeline.addFirst("bytemetrics", new BytesMetricsHandler(bytesMetricsCollector));
            pipeline.addLast("decoder", new MQTTDecoder());
            pipeline.addLast("encoder", new MQTTEncoder());
            pipeline.addLast("metrics", new MessageMetricsHandler(metricsCollector));
            pipeline.addLast("handler", handler);
        }
    });
}

From source file:com.googlecode.protobuf.pro.duplex.client.DuplexTcpClientPipelineFactory.java

License:Apache License

/**
 * After RPC handshake has taken place, remove the RPC handshake
 * {@link ClientConnectResponseHandler} and add a {@link RpcClientHandler}
 * and {@link RpcServerHandler} to complete the Netty client side Pipeline.
 * // w w  w. j a  v a 2 s . co m
 * @param rpcClient
 * @return
 */
protected RpcClientHandler completePipeline(RpcClient rpcClient) {
    ChannelPipeline p = rpcClient.getChannel().pipeline();

    if (rpcClient.isCompression()) {
        p.addBefore(Handler.FRAME_DECODER, Handler.COMPRESSOR,
                ZlibCodecFactory.newZlibEncoder(ZlibWrapper.GZIP));
        p.addAfter(Handler.COMPRESSOR, Handler.DECOMPRESSOR, ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP));
    }

    TcpConnectionEventListener informer = new TcpConnectionEventListener() {
        @Override
        public void connectionClosed(RpcClientChannel client) {
            for (TcpConnectionEventListener listener : getListenersCopy()) {
                listener.connectionClosed(client);
            }
        }

        @Override
        public void connectionOpened(RpcClientChannel client) {
            for (TcpConnectionEventListener listener : getListenersCopy()) {
                listener.connectionOpened(client);
            }
        }
    };
    RpcClientHandler rpcClientHandler = new RpcClientHandler(rpcClient, informer);
    p.replace(Handler.CLIENT_CONNECT, Handler.RPC_CLIENT, rpcClientHandler);

    RpcServer rpcServer = new RpcServer(rpcClient, rpcServiceRegistry, rpcServerCallExecutor, logger);
    RpcServerHandler rpcServerHandler = new RpcServerHandler(rpcServer, rpcClientRegistry);
    p.addAfter(Handler.RPC_CLIENT, Handler.RPC_SERVER, rpcServerHandler);

    return rpcClientHandler;
}

From source file:com.googlecode.protobuf.pro.duplex.server.DuplexTcpServerPipelineFactory.java

License:Apache License

public RpcClientHandler completePipeline(RpcClient rpcClient) {
    ChannelPipeline p = rpcClient.getChannel().pipeline();

    if (rpcClient.isCompression()) {
        p.addBefore(Handler.FRAME_DECODER, Handler.COMPRESSOR,
                ZlibCodecFactory.newZlibEncoder(ZlibWrapper.GZIP));
        p.addAfter(Handler.COMPRESSOR, Handler.DECOMPRESSOR, ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP));
    }/*from   ww  w  .  ja  v  a 2  s. c  o m*/

    TcpConnectionEventListener informer = new TcpConnectionEventListener() {
        @Override
        public void connectionClosed(RpcClientChannel client) {
            for (TcpConnectionEventListener listener : getListenersCopy()) {
                listener.connectionClosed(client);
            }
        }

        @Override
        public void connectionOpened(RpcClientChannel client) {
            for (TcpConnectionEventListener listener : getListenersCopy()) {
                listener.connectionOpened(client);
            }
        }
    };

    RpcClientHandler rpcClientHandler = new RpcClientHandler(rpcClient, informer);
    p.replace(Handler.SERVER_CONNECT, Handler.RPC_CLIENT, rpcClientHandler);

    RpcServer rpcServer = new RpcServer(rpcClient, getRpcServiceRegistry(), getRpcServerCallExecutor(),
            getLogger());
    RpcServerHandler rpcServerHandler = new RpcServerHandler(rpcServer, getRpcClientRegistry());
    p.addAfter(Handler.RPC_CLIENT, Handler.RPC_SERVER, rpcServerHandler);

    if (log.isDebugEnabled()) {
        log.debug("completed Pipeline to " + rpcClient.getPeerInfo());
    }
    return rpcClientHandler;
}

From source file:com.heliosapm.streams.onramp.GZipDetector.java

License:Apache License

private void enableGzip(final ChannelHandlerContext ctx) {
    final ChannelPipeline p = ctx.pipeline();
    try {/*ww w  .ja  va  2 s. co  m*/
        //         p.addAfter("connmgr", "gzipdeflater", new JZlibEncoder(ZlibWrapper.GZIP){
        //            // TODO
        //         });            
        p.addAfter("gzipdetector", "gzipinflater", ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP));
        p.remove(this);
    } catch (Exception ex) {
        log.error("Failed to add gzip handlers", ex);
    }
}

From source file:com.hop.hhxx.example.http2.helloworld.multiplex.server.Http2ServerInitializer.java

License:Apache License

/**
 * Configure the pipeline for a cleartext upgrade from HTTP to HTTP/2.0
 *//*from   w  w  w .ja  va2 s.co m*/
private void configureClearText(SocketChannel ch) {
    final ChannelPipeline p = ch.pipeline();
    final HttpServerCodec sourceCodec = new HttpServerCodec();

    p.addLast(sourceCodec);
    p.addLast(new HttpServerUpgradeHandler(sourceCodec, upgradeCodecFactory));
    p.addLast(new SimpleChannelInboundHandler<HttpMessage>() {
        @Override
        protected void channelRead0(ChannelHandlerContext ctx, HttpMessage msg) throws Exception {
            // If this handler is hit then no upgrade has been attempted and the client is just talking HTTP.
            System.err.println("Directly talking: " + msg.protocolVersion() + " (no upgrade was attempted)");
            ChannelPipeline pipeline = ctx.pipeline();
            ChannelHandlerContext thisCtx = pipeline.context(this);
            pipeline.addAfter(thisCtx.name(), null,
                    new HelloWorldHttp1Handler("Direct. No Upgrade Attempted."));
            pipeline.replace(this, null, new HttpObjectAggregator(maxHttpContentLength));
            ctx.fireChannelRead(msg);
        }
    });

    p.addLast(new UserEventLogger());
}

From source file:com.jansegre.jwar.webapi.ApiInitializer.java

License:Open Source License

@Override
protected void initChannel(Channel ch) throws Exception {
    super.initChannel(ch);
    ChannelPipeline pipeline = ch.pipeline();
    //pipeline.remove(RESOURCE_HANDLER);
    pipeline.addAfter(HTTP_ENCODER, HTTP_STATIC_HANDLER, new FileServerHandler());
}