Example usage for io.netty.channel ChannelHandlerContext pipeline

List of usage examples for io.netty.channel ChannelHandlerContext pipeline

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Introduction

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

Prototype

ChannelPipeline pipeline();

Source Link

Document

Return the assigned ChannelPipeline

Usage

From source file:org.waarp.openr66.proxy.network.NetworkPacketCodec.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    // Make sure if the length field was received.
    if (buf.readableBytes() < 4) {
        // The length field was not received yet - return null.
        // This method will be invoked again when more packets are
        // received and appended to the buffer.
        return;/* w ww.  j a  va  2  s .c  om*/
    }
    // Mark the current buffer position
    buf.markReaderIndex();
    // Read the length field
    final int length = buf.readInt();
    if (buf.readableBytes() < length) {
        buf.resetReaderIndex();
        return;
    }
    // Now we can read the two Ids
    // Slight change in Proxy = first is remote and second is local!
    final int remoteId = buf.readInt();
    final int localId = buf.readInt();
    final byte code = buf.readByte();
    int readerInder = buf.readerIndex();
    ByteBuf buffer = buf.slice(readerInder, length - 9);
    buffer.retain();
    buf.skipBytes(length - 9);
    NetworkPacket networkPacket = new NetworkPacket(localId, remoteId, code, buffer);
    if (code == LocalPacketFactory.KEEPALIVEPACKET) {
        KeepAlivePacket keepAlivePacket = (KeepAlivePacket) LocalPacketCodec
                .decodeNetworkPacket(networkPacket.getBuffer());
        if (keepAlivePacket.isToValidate()) {
            keepAlivePacket.validate();
            NetworkPacket response = new NetworkPacket(ChannelUtils.NOCHANNEL, ChannelUtils.NOCHANNEL,
                    keepAlivePacket, null);
            ctx.writeAndFlush(response.getNetworkPacket());
        }
        // Replaced by a NoOp packet
        networkPacket = new NetworkPacket(localId, remoteId, new NoOpPacket(), null);
        NetworkServerHandler nsh = (NetworkServerHandler) ctx.pipeline().last();
        nsh.setKeepAlivedSent();
    }
    out.add(networkPacket);
}

From source file:org.waarp.openr66.proxy.network.ssl.NetworkSslServerHandler.java

License:Open Source License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    Channel channel = ctx.channel();
    logger.debug("Add channel to ssl");
    WaarpSslUtility.addSslOpenedChannel(channel);
    isSSL = true;//w  w w .j av  a  2s. co m
    // Get the SslHandler in the current pipeline.
    // We added it in NetworkSslServerInitializer.
    final ChannelHandler handler = ctx.pipeline().first();
    if (handler instanceof SslHandler) {
        final SslHandler sslHandler = (SslHandler) handler;
        sslHandler.handshakeFuture().addListener(new GenericFutureListener<Future<? super Channel>>() {
            public void operationComplete(Future<? super Channel> future) throws Exception {
                if (!future.isSuccess()) {
                    if (Configuration.configuration.getR66Mib() != null) {
                        Configuration.configuration.getR66Mib().notifyError("SSL Connection Error",
                                "During Handshake");
                    }
                }
            }
        });
    } else {
        logger.error("SSL Not found");
    }
    super.channelActive(ctx);
}

From source file:org.wso2.carbon.http2.transport.util.Http2ClientInitializer.java

License:Open Source License

private void configureSsl(SocketChannel ch) {
    ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(sslCtx.newHandler(ch.alloc()));
    pipeline.addLast(new ApplicationProtocolNegotiationHandler("") {
        @Override/* w w  w  . jav  a 2s  .c  o  m*/
        protected void configurePipeline(ChannelHandlerContext ctx, String protocol) {
            if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
                ChannelPipeline p = ctx.pipeline();
                p.addLast(connectionHandler);
                configureEndOfPipeline(p);
                return;
            }
            ctx.close();
            throw new IllegalStateException("unknown protocol: " + protocol);
        }
    });
}

From source file:org.wso2.carbon.mss.internal.router.HttpDispatcher.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws HandlerException {
    Object httpMethodInfoBuilderObj = ctx.pipeline().context(RequestRouter.class)
            .attr(AttributeKey.valueOf(RequestRouter.METHOD_INFO_BUILDER)).get();
    if (httpMethodInfoBuilderObj instanceof HttpMethodInfoBuilder) {
        httpMethodInfoBuilder = (HttpMethodInfoBuilder) httpMethodInfoBuilderObj;
        if (msg instanceof FullHttpRequest) {
            FullHttpRequest fullHttpRequest = (FullHttpRequest) msg;
            httpMethodInfoBuilder.httpRequest(fullHttpRequest).build().invoke();
        } else if (msg instanceof HttpContent) {
            httpMethodInfoBuilder.build().chunk((HttpContent) msg);
        }//from   w  ww.jav  a 2 s .  c o  m
    }
}

From source file:org.wso2.carbon.transport.http.netty.listener.CustomHttpObjectAggregator.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, HttpObject msg, List<Object> out) throws Exception {
    try {//from   ww  w  .  j a  v a2 s .c  o  m
        super.decode(ctx, msg, out);
    } catch (Exception e) {
        log.warn("Message length validation failed");

        Iterator<Map.Entry<String, ChannelHandler>> iterator = ctx.pipeline().iterator();

        boolean canRemove = false;
        while (iterator.hasNext()) {
            Map.Entry<String, ChannelHandler> channelHandlerEntry = iterator.next();
            if (channelHandlerEntry.getKey().equalsIgnoreCase(ctx.name())) {
                canRemove = true;
            }
            if (canRemove && !channelHandlerEntry.getKey().equalsIgnoreCase(ctx.name())) {
                ctx.pipeline().remove(channelHandlerEntry.getKey());
            }
        }

        String rejectMessage = requestSizeValidationConfig.getRequestRejectMessage();
        byte[] errorMessageBytes = rejectMessage.getBytes(Charset.defaultCharset());
        ByteBuf content = Unpooled.wrappedBuffer(errorMessageBytes);
        DefaultFullHttpResponse rejectResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                HttpResponseStatus.valueOf(requestSizeValidationConfig.getRequestRejectStatusCode()), content);
        rejectResponse.headers().set(Constants.HTTP_CONTENT_LENGTH, errorMessageBytes.length);
        rejectResponse.headers().set(Constants.HTTP_CONTENT_TYPE,
                requestSizeValidationConfig.getRequestRejectMsgContentType());

        ctx.writeAndFlush(rejectResponse);
    }
}

From source file:org.wso2.carbon.transport.http.netty.listener.CustomHttpRequestDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    super.decode(ctx, buffer, out);

    for (Object o : out) {
        if (o instanceof DefaultHttpRequest) {
            DefaultHttpRequest httpRequest = (DefaultHttpRequest) o;
            if (httpRequest.getDecoderResult().isFailure()
                    && httpRequest.getDecoderResult().cause() instanceof TooLongFrameException) {

                log.warn("Header size is larger than the valid limit");

                Iterator<Map.Entry<String, ChannelHandler>> iterator = ctx.pipeline().iterator();

                boolean canRemove = false;
                while (iterator.hasNext()) {
                    Map.Entry<String, ChannelHandler> channelHandlerEntry = iterator.next();
                    if (channelHandlerEntry.getKey().equalsIgnoreCase(ctx.name())) {
                        canRemove = true;
                    }//from www  .  j  a v  a 2s .  c  om
                    if (canRemove && !channelHandlerEntry.getKey().equalsIgnoreCase(ctx.name())) {
                        ctx.pipeline().remove(channelHandlerEntry.getKey());
                    }
                }

                String rejectMessage = requestSizeValidationConfig.getHeaderRejectMessage();
                byte[] errorMessageBytes = rejectMessage.getBytes(Charset.defaultCharset());
                ByteBuf content = Unpooled.wrappedBuffer(errorMessageBytes);
                DefaultFullHttpResponse rejectResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                        HttpResponseStatus.valueOf(requestSizeValidationConfig.getHeaderRejectStatusCode()),
                        content);
                rejectResponse.headers().set(Constants.HTTP_CONTENT_LENGTH, errorMessageBytes.length);
                rejectResponse.headers().set(Constants.HTTP_CONTENT_TYPE,
                        requestSizeValidationConfig.getHeaderRejectMsgContentType());

                ctx.writeAndFlush(rejectResponse);
                break;
            }
        }
    }
}

From source file:org.wso2.carbon.transport.http.netty.listener.http2.HTTPProtocolNegotiationHandler.java

License:Open Source License

@Override
/**//from w  w  w .  j  a v a2  s.co m
 *  Configure pipeline after SSL handshake
 */
protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
    ChannelPipeline p = ctx.pipeline();
    // handles pipeline for HTTP/2 requests after SSL handshake
    if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
        ctx.pipeline().addLast("http2-handler",
                new HTTP2SourceHandlerBuilder(connectionManager, listenerConfiguration).build());
        return;
    }
    // handles pipeline for HTTP/1 requests after SSL handshake
    if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
        p.addLast("encoder", new HttpResponseEncoder());
        if (requestSizeValidationConfig.isHeaderSizeValidation()) {
            p.addLast("decoder", new CustomHttpRequestDecoder(requestSizeValidationConfig));
        } else {
            p.addLast("decoder", new HttpRequestDecoder());
        }
        if (requestSizeValidationConfig.isRequestSizeValidation()) {
            p.addLast("custom-aggregator", new CustomHttpObjectAggregator(requestSizeValidationConfig));
        }
        p.addLast("compressor", new HttpContentCompressor());
        p.addLast("chunkWriter", new ChunkedWriteHandler());
        try {
            // TODO: Properly fix this part once we start HTTP2 integration
            p.addLast("handler", new SourceHandler(new HttpWsServerConnectorFuture(null), null));
        } catch (Exception e) {
            log.error("Cannot Create SourceHandler ", e);
        }
        return;
    }

    throw new IllegalStateException("unknown protocol: " + protocol);
}

From source file:org.wso2.custom.inbound.InboundHttp2ServerInitializer.java

License:Apache License

/**
 * Configure the pipeline for a clear text upgrade from HTTP to HTTP/2.0
 *//*w  w  w.  j a v  a  2 s  .  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.
            log.info("No upgrade done: continue with " + msg.protocolVersion());
            ChannelPipeline pipeline = ctx.pipeline();
            ChannelHandlerContext thisCtx = pipeline.context(this);
            pipeline.addAfter(thisCtx.name(), null, new InboundHttpSourceHandler(config));
            pipeline.replace(this, null, new HttpObjectAggregator(maxHttpContentLength));
            ctx.fireChannelRead(msg);
        }
    });
    p.addLast(new UserEventLogger());
}

From source file:org.wso2.esb.integration.common.utils.servers.http2.Http2OrHttpHandler.java

License:Open Source License

@Override
protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
    if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
        ctx.pipeline().addLast(new Http2Codec(true, new Http2Handler()));
        return;//from  www  .ja v a 2 s . c o m
    }

    if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
        ctx.pipeline().addLast(new HttpServerCodec(), new HttpObjectAggregator(MAX_CONTENT_LENGTH),
                new Http1Handler("ALPN Negotiation"));
        return;
    }

    throw new IllegalStateException("unknown protocol: " + protocol);
}