Example usage for io.netty.channel ChannelHandlerContext fireChannelRead

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

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Introduction

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

Prototype

@Override
    ChannelHandlerContext fireChannelRead(Object msg);

Source Link

Usage

From source file:com.linecorp.armeria.server.Http1RequestDecoder.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (!(msg instanceof HttpObject)) {
        ctx.fireChannelRead(msg);
        return;//from  www  .  ja  v a2 s.c  o m
    }

    // this.req can be set to null by fail(), so we keep it in a local variable.
    DecodedHttpRequest req = this.req;
    try {
        if (discarding) {
            return;
        }

        if (req == null) {
            if (msg instanceof HttpRequest) {
                final HttpRequest nettyReq = (HttpRequest) msg;
                if (!nettyReq.decoderResult().isSuccess()) {
                    fail(ctx, HttpResponseStatus.BAD_REQUEST);
                    return;
                }

                final HttpHeaders nettyHeaders = nettyReq.headers();
                final int id = ++receivedRequests;

                // Validate the method.
                if (!HttpMethod.isSupported(nettyReq.method().name())) {
                    fail(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED);
                    return;
                }

                // Validate the 'content-length' header.
                final String contentLengthStr = nettyHeaders.get(HttpHeaderNames.CONTENT_LENGTH);
                final boolean contentEmpty;
                if (contentLengthStr != null) {
                    final long contentLength;
                    try {
                        contentLength = Long.parseLong(contentLengthStr);
                    } catch (NumberFormatException ignored) {
                        fail(ctx, HttpResponseStatus.BAD_REQUEST);
                        return;
                    }
                    if (contentLength < 0) {
                        fail(ctx, HttpResponseStatus.BAD_REQUEST);
                        return;
                    }

                    contentEmpty = contentLength == 0;
                } else {
                    contentEmpty = true;
                }

                nettyHeaders.set(ExtensionHeaderNames.SCHEME.text(), scheme);

                this.req = req = new DecodedHttpRequest(ctx.channel().eventLoop(), id, 1,
                        ArmeriaHttpUtil.toArmeria(nettyReq), HttpUtil.isKeepAlive(nettyReq),
                        inboundTrafficController, cfg.defaultMaxRequestLength());

                // Close the request early when it is sure that there will be
                // neither content nor trailing headers.
                if (contentEmpty && !HttpUtil.isTransferEncodingChunked(nettyReq)) {
                    req.close();
                }

                ctx.fireChannelRead(req);
            } else {
                fail(ctx, HttpResponseStatus.BAD_REQUEST);
                return;
            }
        }

        if (req != null && msg instanceof HttpContent) {
            final HttpContent content = (HttpContent) msg;
            final DecoderResult decoderResult = content.decoderResult();
            if (!decoderResult.isSuccess()) {
                fail(ctx, HttpResponseStatus.BAD_REQUEST);
                req.close(new ProtocolViolationException(decoderResult.cause()));
                return;
            }

            final ByteBuf data = content.content();
            final int dataLength = data.readableBytes();
            if (dataLength != 0) {
                req.increaseTransferredBytes(dataLength);
                final long maxContentLength = req.maxRequestLength();
                if (maxContentLength > 0 && req.transferredBytes() > maxContentLength) {
                    fail(ctx, HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE);
                    req.close(ContentTooLargeException.get());
                    return;
                }

                if (req.isOpen()) {
                    req.write(new ByteBufHttpData(data.retain(), false));
                }
            }

            if (msg instanceof LastHttpContent) {
                final HttpHeaders trailingHeaders = ((LastHttpContent) msg).trailingHeaders();
                if (!trailingHeaders.isEmpty()) {
                    req.write(ArmeriaHttpUtil.toArmeria(trailingHeaders));
                }

                req.close();
                this.req = req = null;
            }
        }
    } catch (URISyntaxException e) {
        fail(ctx, HttpResponseStatus.BAD_REQUEST);
        if (req != null) {
            req.close(e);
        }
    } catch (Throwable t) {
        fail(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR);
        if (req != null) {
            req.close(t);
        } else {
            logger.warn("Unexpected exception:", t);
        }
    } finally {
        ReferenceCountUtil.release(msg);
    }
}

From source file:com.linecorp.armeria.server.Http2RequestDecoder.java

License:Apache License

@Override
public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding,
        boolean endOfStream) throws Http2Exception {
    DecodedHttpRequest req = requests.get(streamId);
    if (req == null) {
        // Validate the method.
        final CharSequence method = headers.method();
        if (method == null) {
            writeErrorResponse(ctx, streamId, HttpResponseStatus.BAD_REQUEST);
            return;
        }//from   ww  w  . j a v a 2 s.  c om
        if (!HttpMethod.isSupported(method.toString())) {
            writeErrorResponse(ctx, streamId, HttpResponseStatus.METHOD_NOT_ALLOWED);
            return;
        }

        // Validate the 'content-length' header if exists.
        final boolean contentEmpty;
        if (headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
            final long contentLength = headers.getLong(HttpHeaderNames.CONTENT_LENGTH, -1L);
            if (contentLength < 0) {
                writeErrorResponse(ctx, streamId, HttpResponseStatus.BAD_REQUEST);
                return;
            }
            contentEmpty = contentLength == 0;
        } else {
            contentEmpty = true;
        }

        req = new DecodedHttpRequest(ctx.channel().eventLoop(), ++nextId, streamId,
                ArmeriaHttpUtil.toArmeria(headers), true, inboundTrafficController,
                cfg.defaultMaxRequestLength());

        // Close the request early when it is sure that there will be
        // neither content nor trailing headers.
        if (contentEmpty && endOfStream) {
            req.close();
        }

        requests.put(streamId, req);
        ctx.fireChannelRead(req);
    } else {
        try {
            req.write(ArmeriaHttpUtil.toArmeria(headers));
        } catch (Throwable t) {
            req.close(t);
            throw connectionError(INTERNAL_ERROR, t, "failed to consume a HEADERS frame");
        }
    }

    if (endOfStream) {
        req.close();
    }
}

From source file:com.linkedin.r2.transport.http.client.Http2FrameListener.java

License:Apache License

@Override
public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding,
        boolean endOfStream) throws Http2Exception {
    LOG.debug("Received HTTP/2 HEADERS frame, stream={}, end={}, headers={}, padding={}bytes",
            new Object[] { streamId, endOfStream, headers.size(), padding });
    // Ignores response for the upgrade request
    if (streamId == Http2CodecUtil.HTTP_UPGRADE_STREAM_ID) {
        return;//w  w w  . j  a  va2  s  .  c  om
    }

    final StreamResponseBuilder builder = new StreamResponseBuilder();
    // Process HTTP/2 pseudo headers
    if (headers.status() != null) {
        builder.setStatus(Integer.parseInt(headers.status().toString()));
    }
    if (headers.authority() != null) {
        builder.addHeaderValue(HttpHeaderNames.HOST.toString(), headers.authority().toString());
    }

    // Process other HTTP headers
    for (Map.Entry<CharSequence, CharSequence> header : headers) {
        if (Http2Headers.PseudoHeaderName.isPseudoHeader(header.getKey())) {
            // Do no set HTTP/2 pseudo headers to response
            continue;
        }

        final String key = header.getKey().toString();
        final String value = header.getValue().toString();
        if (key.equalsIgnoreCase(HttpConstants.RESPONSE_COOKIE_HEADER_NAME)) {
            builder.addCookie(value);
        } else {
            builder.unsafeAddHeaderValue(key, value);
        }
    }

    // Gets async pool handle from stream properties
    Http2Connection.PropertyKey handleKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CHANNEL_POOL_HANDLE_ATTR_KEY).get();
    TimeoutAsyncPoolHandle<?> handle = _connection.stream(streamId).removeProperty(handleKey);
    if (handle == null) {
        _lifecycleManager.onError(ctx, Http2Exception.connectionError(Http2Error.PROTOCOL_ERROR,
                "No channel pool handle is associated with this stream", streamId));
        return;
    }

    final StreamResponse response;
    if (endOfStream) {
        response = builder.build(EntityStreams.emptyStream());
        ctx.fireChannelRead(handle);
    } else {
        // Associate an entity stream writer to the HTTP/2 stream
        final TimeoutBufferedWriter writer = new TimeoutBufferedWriter(ctx, streamId, _maxContentLength,
                handle);
        if (_connection.stream(streamId).setProperty(_writerKey, writer) != null) {
            _lifecycleManager.onError(ctx, Http2Exception.connectionError(Http2Error.PROTOCOL_ERROR,
                    "Another writer has already been associated with current stream ID", streamId));
            return;
        }

        // Prepares StreamResponse for the channel pipeline
        EntityStream entityStream = EntityStreams.newEntityStream(writer);
        response = builder.build(entityStream);
    }

    // Gets callback from stream properties
    Http2Connection.PropertyKey callbackKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CALLBACK_ATTR_KEY).get();
    TransportCallback<?> callback = _connection.stream(streamId).removeProperty(callbackKey);
    if (callback != null) {
        ctx.fireChannelRead(new ResponseWithCallback<Response, TransportCallback<?>>(response, callback));
    }
}

From source file:com.linkedin.r2.transport.http.client.Http2StreamCodec.java

License:Apache License

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    if (!(msg instanceof RequestWithCallback)) {
        ctx.write(msg, promise);/*w w  w  .java 2s.  c o  m*/
        return;
    }

    Request request = ((RequestWithCallback) msg).request();
    Http2ConnectionEncoder encoder = encoder();
    int streamId = connection().local().incrementAndGetNextStreamId();
    if (request instanceof StreamRequest) {
        LOG.debug("Writing StreamRequest...");
        StreamRequest streamRequest = (StreamRequest) request;
        Http2Headers http2Headers = NettyRequestAdapter.toHttp2Headers(streamRequest);
        BufferedReader reader = new BufferedReader(ctx, encoder, streamId,
                ((RequestWithCallback) msg).handle());
        streamRequest.getEntityStream().setReader(reader);
        encoder.writeHeaders(ctx, streamId, http2Headers, NO_PADDING, NOT_END_STREAM, promise)
                .addListener(future -> reader.request());
        LOG.debug("Sent HTTP/2 HEADERS frame, stream={}, end={}, headers={}, padding={}bytes",
                new Object[] { streamId, NOT_END_STREAM, http2Headers.size(), NO_PADDING });
    } else if (request instanceof RestRequest) {
        LOG.debug("Writing RestRequest...");
        PromiseCombiner promiseCombiner = new PromiseCombiner();
        ChannelPromise headersPromise = ctx.channel().newPromise();
        ChannelPromise dataPromise = ctx.channel().newPromise();
        promiseCombiner.add(headersPromise);
        promiseCombiner.add(dataPromise);
        promiseCombiner.finish(promise);

        RestRequest restRequest = (RestRequest) request;
        Http2Headers headers = NettyRequestAdapter.toHttp2Headers(restRequest);
        encoder.writeHeaders(ctx, streamId, headers, NO_PADDING, NOT_END_STREAM, headersPromise);
        LOG.debug("Sent HTTP/2 HEADERS frame, stream={}, end={}, headers={}, padding={}bytes",
                new Object[] { streamId, NOT_END_STREAM, headers.size(), NO_PADDING });
        ByteBuf data = Unpooled.wrappedBuffer(restRequest.getEntity().asByteBuffer());
        encoder.writeData(ctx, streamId, data, NO_PADDING, END_STREAM, dataPromise);
        LOG.debug("Sent HTTP/2 DATA frame, stream={}, end={}, data={}bytes, padding={}bytes",
                new Object[] { streamId, END_STREAM, data.readableBytes(), NO_PADDING });
    } else {
        // Request type is not supported. Returns channel back to the pool and throws exception.
        ctx.fireChannelRead(((RequestWithCallback) msg).handle());
        throw new IllegalArgumentException("Request is neither StreamRequest or RestRequest");
    }

    // Sets TransportCallback as a stream property to be retrieved later
    TransportCallback<?> callback = ((RequestWithCallback) msg).callback();
    Http2Connection.PropertyKey callbackKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CALLBACK_ATTR_KEY).get();
    connection().stream(streamId).setProperty(callbackKey, callback);

    // Sets AsyncPoolHandle as a stream property to be retrieved later
    AsyncPoolHandle<?> handle = ((RequestWithCallback) msg).handle();
    Http2Connection.PropertyKey handleKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CHANNEL_POOL_HANDLE_ATTR_KEY).get();
    connection().stream(streamId).setProperty(handleKey, handle);
}

From source file:com.linkedin.r2.transport.http.client.Http2StreamCodec.java

License:Apache License

private void doHandleStreamException(Http2Stream stream, ChannelHandlerContext ctx, Throwable cause) {
    Http2Connection.PropertyKey callbackKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CALLBACK_ATTR_KEY).get();
    Http2Connection.PropertyKey handleKey = ctx.channel()
            .attr(Http2ClientPipelineInitializer.CHANNEL_POOL_HANDLE_ATTR_KEY).get();

    // Invokes the call back with error
    TimeoutTransportCallback<StreamResponse> callback = stream.removeProperty(callbackKey);
    if (callback != null) {
        callback.onResponse(//from w  w  w  .  ja v  a2s.c  om
                TransportResponseImpl.<StreamResponse>error(cause, Collections.<String, String>emptyMap()));
    }

    // Signals to dispose the channel back to the pool
    TimeoutAsyncPoolHandle<Channel> handle = stream.removeProperty(handleKey);
    if (handle != null) {
        ctx.fireChannelRead(handle.error());
    }
}

From source file:com.linkedin.r2.transport.http.client.Http2StreamResponseHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof ResponseWithCallback) {
        @SuppressWarnings("unchecked")
        ResponseWithCallback<StreamResponse, TransportCallback<StreamResponse>> responseWithCallback = (ResponseWithCallback<StreamResponse, TransportCallback<StreamResponse>>) msg;
        StreamResponse response = responseWithCallback.response();
        TransportCallback<StreamResponse> callback = responseWithCallback.callback();

        Map<String, String> headers = new HashMap<>(response.getHeaders());
        Map<String, String> wireAttrs = new HashMap<>(WireAttributeHelper.removeWireAttributes(headers));
        StreamResponse newResponse = new StreamResponseBuilder(response).unsafeSetHeaders(headers)
                .build(response.getEntityStream());

        LOG.debug("{}: handling a response", ctx.channel().remoteAddress());
        callback.onResponse(TransportResponseImpl.success(newResponse, wireAttrs));
    }//from  w  w  w . j  av a  2  s. c  om

    ctx.fireChannelRead(msg);
}

From source file:com.linkedin.r2.transport.http.client.RAPResponseDecoder.java

License:Apache License

@Override
protected void channelRead0(final ChannelHandlerContext ctx, HttpObject msg) throws Exception {
    if (msg instanceof HttpResponse) {
        HttpResponse m = (HttpResponse) msg;
        _shouldCloseConnection = !HttpUtil.isKeepAlive(m);

        if (HttpUtil.is100ContinueExpected(m)) {
            ctx.writeAndFlush(CONTINUE).addListener(new ChannelFutureListener() {
                @Override//from   w  ww .j a v  a 2s .  co  m
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        ctx.fireExceptionCaught(future.cause());
                    }
                }
            });
        }
        if (!m.decoderResult().isSuccess()) {
            ctx.fireExceptionCaught(m.decoderResult().cause());
            return;
        }
        // remove chunked encoding.
        if (HttpUtil.isTransferEncodingChunked(m)) {
            HttpUtil.setTransferEncodingChunked(m, false);
        }

        Timeout<None> timeout = ctx.channel().attr(TIMEOUT_ATTR_KEY).getAndRemove();
        if (timeout == null) {
            LOG.debug("dropped a response after channel inactive or exception had happened.");
            return;
        }

        final TimeoutBufferedWriter writer = new TimeoutBufferedWriter(ctx, _maxContentLength,
                BUFFER_HIGH_WATER_MARK, BUFFER_LOW_WATER_MARK, timeout);
        EntityStream entityStream = EntityStreams.newEntityStream(writer);
        _chunkedMessageWriter = writer;
        StreamResponseBuilder builder = new StreamResponseBuilder();
        builder.setStatus(m.status().code());

        for (Map.Entry<String, String> e : m.headers()) {
            String key = e.getKey();
            String value = e.getValue();
            if (key.equalsIgnoreCase(HttpConstants.RESPONSE_COOKIE_HEADER_NAME)) {
                builder.addCookie(value);
            } else {
                builder.unsafeAddHeaderValue(key, value);
            }
        }

        ctx.fireChannelRead(builder.build(entityStream));
    } else if (msg instanceof HttpContent) {
        HttpContent chunk = (HttpContent) msg;
        TimeoutBufferedWriter currentWriter = _chunkedMessageWriter;
        // Sanity check
        if (currentWriter == null) {
            throw new IllegalStateException("received " + HttpContent.class.getSimpleName() + " without "
                    + HttpResponse.class.getSimpleName());
        }

        if (!chunk.decoderResult().isSuccess()) {
            this.exceptionCaught(ctx, chunk.decoderResult().cause());
        }

        currentWriter.processHttpChunk(chunk);

        if (chunk instanceof LastHttpContent) {
            _chunkedMessageWriter = null;
            if (_shouldCloseConnection) {
                ctx.fireChannelRead(ChannelPoolStreamHandler.CHANNEL_DESTROY_SIGNAL);
            } else {
                ctx.fireChannelRead(ChannelPoolStreamHandler.CHANNEL_RELEASE_SIGNAL);
            }
        }
    } else {
        // something must be wrong, but let's proceed so that
        // handler after us has a chance to process it.
        ctx.fireChannelRead(msg);
    }
}

From source file:com.linkedin.r2.transport.http.client.RAPResponseHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, RestResponse response) throws Exception {
    final Map<String, String> headers = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
    final Map<String, String> wireAttrs = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
    headers.putAll(response.getHeaders());
    wireAttrs.putAll(WireAttributeHelper.removeWireAttributes(headers));

    final RestResponse newResponse = new RestResponseBuilder(response).unsafeSetHeaders(headers).build();
    // In general there should always be a callback to handle a received message,
    // but it could have been removed due to a previous exception or closure on the
    // channel//  ww w  .  ja  va  2s. c  o  m
    TransportCallback<RestResponse> callback = ctx.channel().attr(CALLBACK_ATTR_KEY).getAndRemove();
    if (callback != null) {
        LOG.debug("{}: handling a response", ctx.channel().remoteAddress());
        callback.onResponse(TransportResponseImpl.success(newResponse, wireAttrs));
    } else {
        LOG.debug("{}: dropped a response", ctx.channel().remoteAddress());
    }
    ctx.fireChannelRead(response);
}

From source file:com.mapple.forward.socks.SocksServerHandlerEx.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
    switch (socksRequest.version()) {
    case SOCKS4a:
        Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksRequest;
        if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
            ctx.pipeline().addLast(SocksServerConnectHandlerEx.INSTANCE);
            ctx.pipeline().remove(this);
            ctx.fireChannelRead(socksRequest);
        } else {/*from   w w  w  .  j a  va 2  s.  c om*/
            ctx.close();
        }
        break;
    case SOCKS5:
        if (socksRequest instanceof Socks5InitialRequest) {
            // auth support example
            ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
            ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.PASSWORD));
            //                    ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
            //                    ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        } else if (socksRequest instanceof Socks5PasswordAuthRequest) {
            ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());

            Socks5PasswordAuthRequest request = (Socks5PasswordAuthRequest) socksRequest;
            //                    System.out.println("Socks5:" + request.username() + " " + request.password());

            AttributeKey<String> SOCKS5 = AttributeKey.valueOf("socks5");
            ctx.channel().attr(SOCKS5).set(request.username());

            ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        } else if (socksRequest instanceof Socks5CommandRequest) {
            /*Socks5InitialRequestDecoder handle = ctx.pipeline().get(Socks5InitialRequestDecoder.class);
            if(handle != null) {
                System.out.println("LWZ Remove" + handle);
                ctx.pipeline().remove(handle);
            }*/
            Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
            if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                ctx.pipeline().addLast(SocksServerConnectHandlerEx.INSTANCE);
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(socksRequest);
            } else {
                ctx.close();
            }
        } else {
            ctx.close();
        }
        break;
    case UNKNOWN:
        ctx.close();
        break;
    }
}

From source file:com.mapple.socksproxy.SocksServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
    switch (socksRequest.version()) {
    case SOCKS4a:
        Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksRequest;
        if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
            ctx.pipeline().addLast(new SocksServerConnectHandler());
            ctx.pipeline().remove(this);
            ctx.fireChannelRead(socksRequest);
        } else {//from ww  w  . ja  va 2s .  c om
            ctx.close();
        }
        break;
    case SOCKS5:
        if (socksRequest instanceof Socks5InitialRequest) {
            // auth support example
            //ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
            //ctx.write(new DefaultSocks5AuthMethodResponse(Socks5AuthMethod.PASSWORD));
            ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
            ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        } else if (socksRequest instanceof Socks5PasswordAuthRequest) {
            ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
            ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        } else if (socksRequest instanceof Socks5CommandRequest) {
            /*Socks5InitialRequestDecoder handle = ctx.pipeline().get(Socks5InitialRequestDecoder.class);
            if(handle != null) {
                System.out.println("LWZ Remove" + handle);
                ctx.pipeline().remove(handle);
            }*/
            Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
            if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                ctx.pipeline().addLast(new SocksServerConnectHandler());
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(socksRequest);
            } else {
                ctx.close();
            }
        } else {
            ctx.close();
        }
        break;
    case UNKNOWN:
        ctx.close();
        break;
    }
}