io.netty.channel.ChannelHandlerContext#pipeline

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;
}

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);
}

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();
}

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);
}

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);
    }
}

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));
    }
}

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();
}

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);
}

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);
}

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);
}

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()));
}

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);
    }
}

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);
}

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());
}

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);
}

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);

}

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);
}

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();
}

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());
}

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));
}

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