Java Code Examples for io.netty.channel.ChannelHandlerContext#pipeline()

The following examples show how to use io.netty.channel.ChannelHandlerContext#pipeline() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: HttpHandler.java From bitchat with Apache License 2.0

6 votes

private boolean upgradeToWebSocket(ChannelHandlerContext ctx, FullHttpRequest request) {
    HttpHeaders headers = request.headers();
    if ("Upgrade".equalsIgnoreCase(headers.get(HttpHeaderNames.CONNECTION)) &&
            "WebSocket".equalsIgnoreCase(headers.get(HttpHeaderNames.UPGRADE))) {
        ChannelPipeline pipeline = ctx.pipeline();
        // 将http升级为WebSocket
        pipeline.addLast(new WebSocketServerProtocolHandler("/ws"));
        pipeline.addLast(FrameCodec.getInstance());
        pipeline.addLast(FrameHandler.getInstance(channelListener));
        pipeline.remove(this);
        // 将channelActive事件传递到FrameHandler
        ctx.fireChannelActive();
        return true;
    }
    return false;
}

Example 2

Source File: WsAndHttpChannelizerHandler.java From tinkerpop with Apache License 2.0

6 votes

@Override
public void channelRead(final ChannelHandlerContext ctx, final Object obj) {
    final ChannelPipeline pipeline = ctx.pipeline();
    if (obj instanceof HttpMessage && !WebSocketHandlerUtil.isWebSocket((HttpMessage)obj)) {
        if (null != pipeline.get(PIPELINE_AUTHENTICATOR)) {
            pipeline.remove(PIPELINE_REQUEST_HANDLER);
            final ChannelHandler authenticator = pipeline.get(PIPELINE_AUTHENTICATOR);
            pipeline.remove(PIPELINE_AUTHENTICATOR);
            pipeline.addAfter(PIPELINE_HTTP_RESPONSE_ENCODER, PIPELINE_AUTHENTICATOR, authenticator);
            pipeline.addAfter(PIPELINE_AUTHENTICATOR, PIPELINE_REQUEST_HANDLER, this.httpGremlinEndpointHandler);
        } else {
            pipeline.remove(PIPELINE_REQUEST_HANDLER);
            pipeline.addAfter(PIPELINE_HTTP_RESPONSE_ENCODER, PIPELINE_REQUEST_HANDLER, this.httpGremlinEndpointHandler);
        }
    }
    ctx.fireChannelRead(obj);
}

Example 3

Source File: TestWssServer.java From util4j with Apache License 2.0

6 votes

public static void main(String[] args) throws Exception {
	InputStream ins=TestWssClient.class.getResourceAsStream("cloud.jueb.net.pfx");
	String strPassword="xxxxxx";
	SslContext sslc=NettyServerSslUtil.buildSslContext_P12_Pfx(ins, strPassword);
	NettyServerConfig nc=new NettyServerConfig();
	NettyServer ns=new NettyServer(nc, "0.0.0.0", 1191,new WebSocketServerInitializer("/test",sslc) {
		@Override
		protected void webSocketHandComplete(ChannelHandlerContext ctx) {
			ChannelPipeline p=ctx.pipeline();
			p.addLast(new WebSocketTextFrameStringAdapter());//消息解码器
			p.addLast(new DefaultIdleListenerHandler<String>(new Listener()));//心跳适配器
			//为新加的handler手动触发必要事件
			ctx.fireChannelRegistered();
			ctx.fireChannelActive();
		}
	});
	ns.start();
	new Scanner(System.in).nextLine();
}

Example 4

Source File: HttpServerPipelineConfigurator.java From armeria with Apache License 2.0

6 votes

@Override
protected void decode(ChannelHandlerContext ctx, HAProxyMessage msg, List<Object> out)
        throws Exception {
    if (logger.isDebugEnabled()) {
        logger.debug("PROXY message {}: {}:{} -> {}:{} (next: {})",
                     msg.protocolVersion().name(),
                     msg.sourceAddress(), msg.sourcePort(),
                     msg.destinationAddress(), msg.destinationPort(),
                     proxiedCandidates);
    }
    final ChannelPipeline p = ctx.pipeline();
    final InetAddress src = InetAddress.getByAddress(
            NetUtil.createByteArrayFromIpAddressString(msg.sourceAddress()));
    final InetAddress dst = InetAddress.getByAddress(
            NetUtil.createByteArrayFromIpAddressString(msg.destinationAddress()));
    final ProxiedAddresses proxiedAddresses =
            ProxiedAddresses.of(new InetSocketAddress(src, msg.sourcePort()),
                                new InetSocketAddress(dst, msg.destinationPort()));
    configurePipeline(p, proxiedCandidates, proxiedAddresses);
    p.remove(this);
}

Example 5

Source File: WsAndHttpBasicAuthHandler.java From hugegraph with Apache License 2.0

6 votes

@Override
public void channelRead(final ChannelHandlerContext ctx, final Object obj)
                        throws Exception {
    if (obj instanceof HttpMessage && !isWebSocket((HttpMessage) obj)) {
        ChannelPipeline pipeline = ctx.pipeline();
        ChannelHandler authHandler = pipeline.get(HTTP_AUTH);
        if (authHandler != null) {
            authHandler = pipeline.remove(HTTP_AUTH);
        } else {
            authHandler = new HttpBasicAuthHandler(
                          this.authenticator,  this.authenticationSettings);
        }
        pipeline.addAfter(AUTHENTICATOR, HTTP_AUTH, authHandler);
        ctx.fireChannelRead(obj);
    } else {
        super.channelRead(ctx, obj);
    }
}

Example 6

Source File: HardwareLoginHandler.java From blynk-server with GNU General Public License v3.0

6 votes

private void createSessionAndReregister(ChannelHandlerContext ctx,
                                        User user, DashBoard dash, Device device, int msgId) {
    HardwareStateHolder hardwareStateHolder = new HardwareStateHolder(user, dash, device);

    ChannelPipeline pipeline = ctx.pipeline();
    pipeline.replace(this, "HHArdwareHandler", new HardwareHandler(holder, hardwareStateHolder));

    Session session = holder.sessionDao.getOrCreateSessionByUser(
            hardwareStateHolder.userKey, ctx.channel().eventLoop());

    if (session.isSameEventLoop(ctx)) {
        completeLogin(ctx.channel(), session, user, dash, device, msgId);
    } else {
        log.debug("Re registering hard channel. {}", ctx.channel());
        ReregisterChannelUtil.reRegisterChannel(ctx, session, channelFuture ->
                completeLogin(channelFuture.channel(), session, user, dash, device, msgId));
    }
}

Example 7

Source File: TestWssClient.java From util4j with Apache License 2.0

6 votes

public static void main(String[] args) throws Exception {
	SslContext sslc=SslContextBuilder.forClient().build();
	NettyClientConfig nc=new NettyClientConfig();
	URI uri=new URI("wss://cloud.jueb.net:1191/test");
	NettyClient ns=new NettyClient(nc, "192.168.0.223", 1191,new WebSocketClientInitializer(uri,sslc) {
		@Override
		protected void webSocketHandComplete(ChannelHandlerContext ctx) {
			ChannelPipeline p=ctx.pipeline();
			p.addLast(new WebSocketTextFrameStringAdapter());//消息解码器
			p.addLast(new DefaultIdleListenerHandler<String>(new Listener()));//心跳适配器
			//为新加的handler手动触发必要事件
			ctx.fireChannelRegistered();
			ctx.fireChannelActive();
		}
	});
	ns.start();
	new Scanner(System.in).nextLine();
}

Example 8

Source File: Socks4ProxyHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
protected void addCodec(ChannelHandlerContext ctx) throws Exception {
    ChannelPipeline p = ctx.pipeline();
    String name = ctx.name();

    Socks4ClientDecoder decoder = new Socks4ClientDecoder();
    p.addBefore(name, null, decoder);

    decoderName = p.context(decoder).name();
    encoderName = decoderName + ".encoder";

    p.addBefore(name, encoderName, Socks4ClientEncoder.INSTANCE);
}

Example 9

Source File: JumbuneAgentDecoder.java From jumbune with GNU Lesser General Public License v3.0

5 votes

/**
 * Invoke fire and forget command handler.
 *
 * @param ctx the ctx
 */
private void invokeFireAndForgetCommandHandler(ChannelHandlerContext ctx) {
	ChannelPipeline p = ctx.pipeline();
	p.addLast(DECODER, new ObjectDecoder(ClassResolvers.cacheDisabled(null)));
	p.addLast("commandExecutor", new CommandDelegator());
	p.addLast(ENCODER, new StringEncoder());
	p.remove(this);
}

Example 10

Source File: HttpFilterAdapterImpl.java From yfs with Apache License 2.0

5 votes

@Override
public void proxyToServerConnectionSucceeded(final ChannelHandlerContext serverCtx) {
    ChannelPipeline pipeline = serverCtx.pipeline();
    //当没有修改getMaximumResponseBufferSizeInBytes中buffer默认的大小时,下面两个handler是不存在的
    if (pipeline.get("inflater") != null) {
        pipeline.remove("inflater");
    }
    if (pipeline.get("aggregator") != null) {
        pipeline.remove("aggregator");
    }
    super.proxyToServerConnectionSucceeded(serverCtx);
}

Example 11

Source File: SSLDetector.java From cute-proxy with BSD 2-Clause "Simplified" License

5 votes

private void setHttpInterceptor(ChannelHandlerContext ctx, boolean ssl) {
    ctx.pipeline().addLast("http-codec", new HttpServerCodec());
    ctx.pipeline().addLast(new HttpServerExpectContinueHandler());
    ctx.pipeline().addLast("replay-handler", new ReplayHandler(outboundChannel));

    outboundChannel.pipeline().addLast("http-codec", new HttpClientCodec());
    var httpUpgradeHandler = new HttpUpgradeHandler(ssl, address, messageListener, ctx.pipeline());
    outboundChannel.pipeline().addLast("http-upgrade-handler", httpUpgradeHandler);
    var httpInterceptor = new HttpInterceptor(ssl, address, messageListener);
    outboundChannel.pipeline().addLast("http-interceptor", httpInterceptor);
    outboundChannel.pipeline().addLast("replay-handler", new ReplayHandler(ctx.channel()));
}

Example 12

Source File: Socks5ProxyHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
protected void removeDecoder(ChannelHandlerContext ctx) throws Exception {
    ChannelPipeline p = ctx.pipeline();
    if (p.context(decoderName) != null) {
        p.remove(decoderName);
    }
}

Example 13

Source File: JumbuneAgentDecoder.java From jumbune with GNU Lesser General Public License v3.0

5 votes

/**
 * Invoke log files receive handler.
 *
 * @param ctx the ctx
 */
private void invokeLogFilesReceiveHandlerForHA(ChannelHandlerContext ctx) {
	ChannelPipeline p = ctx.pipeline();		
	EventExecutor e1 = new DefaultEventExecutorGroup(1).next();
	p.addLast("stringDecoder", new StringDecoder());
	p.addLast("delegator", new Delegator(receiveDirectory));
	p.addLast(HEARTBEAT_HANDLER, new HeartbeatHandler(JumbuneAgent.getHeartBeatMillis(), 
			JumbuneAgent.getHeartBeatMillis(), JumbuneAgent.getHeartBeatMillis()));
	p.addLast("stringEncoder", new StringEncoder());
	p.addLast(e1, new LogFilesEncoder());
	p.remove(this);
}

Example 14

Source File: SpdyOrHttpChooser.java From netty4.0.27Learn with Apache License 2.0

5 votes

/**
 * Add all {@link ChannelHandler}'s that are needed for SPDY with the given version.
 */
protected void addSpdyHandlers(ChannelHandlerContext ctx, SpdyVersion version) {
    ChannelPipeline pipeline = ctx.pipeline();
    pipeline.addLast("spdyFrameCodec", new SpdyFrameCodec(version));
    pipeline.addLast("spdySessionHandler", new SpdySessionHandler(version, true));
    pipeline.addLast("spdyHttpEncoder", new SpdyHttpEncoder(version));
    pipeline.addLast("spdyHttpDecoder", new SpdyHttpDecoder(version, maxSpdyContentLength));
    pipeline.addLast("spdyStreamIdHandler", new SpdyHttpResponseStreamIdHandler());
    pipeline.addLast("httpRequestHandler", createHttpRequestHandlerForSpdy());
}

Example 15

Source File: JumbuneAgentDecoder.java From jumbune with GNU Lesser General Public License v3.0

5 votes

/**
 * Invoke fire and get object response command handler.
 *
 * @param ctx the ctx
 */
private void invokeFireAndGetObjectResponseCommandHandler(
		ChannelHandlerContext ctx) {
	ChannelPipeline p = ctx.pipeline();
	p.addLast(DECODER, new ObjectDecoder(ClassResolvers.cacheDisabled(null)));
	p.addLast("commandHandler", new CommandAsObjectResponser());
	p.addLast(ENCODER, new ObjectEncoder());
	p.remove(this);
}

Example 16

Source File: ProtocolHandshakeHandler.java From jfxvnc with Apache License 2.0

5 votes

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {

  if (msg instanceof ProtocolVersion) {
    handleServerVersion(ctx, (ProtocolVersion) msg);
    return;
  }
  if (msg instanceof SecurityTypesEvent) {
    handleSecurityTypes(ctx, (SecurityTypesEvent) msg);
    return;
  }

  if (msg instanceof RfbSecurityMessage) {
    handleSecurityMessage(ctx, (RfbSecurityMessage) msg);
    return;
  }

  if (msg instanceof SecurityResultEvent) {
    handleSecurityResult(ctx, (SecurityResultEvent) msg);
    return;
  }

  if (msg instanceof ServerInitEvent) {
    handshaker.finishHandshake(ctx.channel(), config.versionProperty().get());
    ChannelPipeline cp = ctx.pipeline();
    cp.fireUserEventTriggered(ProtocolState.HANDSHAKE_COMPLETE);
    cp.remove(this);
    cp.fireChannelRead(msg);
    return;
  }

  throw new ProtocolException("unknown message occurred: " + msg);

}

Example 17

Source File: PortUnificationServerHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

private void enableGzip(ChannelHandlerContext ctx) {
    ChannelPipeline p = ctx.pipeline();
    p.addLast("gzipdeflater", ZlibCodecFactory.newZlibEncoder(ZlibWrapper.GZIP));
    p.addLast("gzipinflater", ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP));
    p.addLast("unificationB", new PortUnificationServerHandler(sslCtx, detectSsl, false));
    p.remove(this);
}

Example 18

Source File: ChannelInitializer.java From ProtocolSupport with GNU Affero General Public License v3.0

5 votes

@Override
public void channelRegistered(ChannelHandlerContext channelHandlerContext) throws Exception {
	try {
		initChannel(channelHandlerContext.channel());
	} catch (Throwable t) {
		exceptionCaught(channelHandlerContext, t);
	} finally {
		ChannelPipeline pipeline = channelHandlerContext.pipeline();
		if (pipeline.context(this) != null) {
			pipeline.remove(this);
		}
	}
	channelHandlerContext.pipeline().fireChannelRegistered();
}

Example 19

Source File: ProtocolHandler.java From jfxvnc with Apache License 2.0

4 votes

@Override
protected void decode(final ChannelHandlerContext ctx, Object msg, List<Object> out) throws Exception {

  if (msg instanceof ImageRect) {
    final ImageRect rect = (ImageRect) msg;
    render.render(rect);
    return;
  }
  if (msg instanceof ServerDecoderEvent) {
    final ServerDecoderEvent event = (ServerDecoderEvent) msg;
    render.eventReceived(event);
    return;
  }

  if (!(msg instanceof ServerInitEvent)) {
    logger.error("unknown message: {}", msg);
    ctx.fireChannelRead(msg);
    return;
  }

  serverInit = (ServerInitEvent) msg;
  logger.debug("handshake completed with {}", serverInit);

  FrameDecoderHandler frameHandler = new FrameDecoderHandler(serverInit.getPixelFormat());
  if (!frameHandler.isPixelFormatSupported()) {
    ProtocolException e = new ProtocolException(String.format("pixelformat: (%s bpp) not supported yet", serverInit.getPixelFormat().getBitPerPixel()));
    exceptionCaught(ctx, e);
    return;
  }

  ChannelPipeline cp = ctx.pipeline();

  cp.addBefore(ctx.name(), "rfb-encoding-encoder", new PreferedEncodingEncoder());
  PreferedEncoding prefEncodings = getPreferedEncodings(frameHandler.getSupportedEncodings());
  ctx.write(prefEncodings);

  cp.addBefore(ctx.name(), "rfb-pixelformat-encoder", new PixelFormatEncoder());
  ctx.write(serverInit.getPixelFormat());
  ctx.flush();

  cp.addBefore(ctx.name(), "rfb-frame-handler", frameHandler);
  cp.addBefore(ctx.name(), "rfb-keyevent-encoder", new KeyButtonEventEncoder());
  cp.addBefore(ctx.name(), "rfb-pointerevent-encoder", new PointerEventEncoder());
  cp.addBefore(ctx.name(), "rfb-cuttext-encoder", new ClientCutTextEncoder());

  render.eventReceived(getConnectInfoEvent(ctx, prefEncodings));

  render.registerInputEventListener(event -> ctx.writeAndFlush(event, ctx.voidPromise()));

  logger.debug("request full framebuffer update");
  sendFramebufferUpdateRequest(ctx, false, 0, 0, serverInit.getFrameBufferWidth(), serverInit.getFrameBufferHeight());

  logger.trace("channel pipeline: {}", cp.toMap().keySet());
}

Example 20

Source File: HttpServerPipelineConfigurator.java From armeria with Apache License 2.0

4 votes

private void addHttp2Handlers(ChannelHandlerContext ctx) {
    final ChannelPipeline p = ctx.pipeline();
    p.addLast(newHttp2ConnectionHandler(p, SCHEME_HTTPS));
    p.addLast(new HttpServerHandler(config, gracefulShutdownSupport, null, H2, proxiedAddresses));
}