Fixed several issues with HttpContentDecoder
Motivation: HttpContentDecoder had the following issues: - For chunked content, the decoder set invalid "Content-Length" header with length of the first decoded chunk. - Decoding of FullHttpRequests put both the original conent and decoded content into output. As result, using HttpObjectAggregator before the decoder lead to errors. - Requests with "Expect: 100-continue" header were not acknowleged: the decoder didn't pass the header message down the handler's chain until content is received. If client expected "100 Continue" response, deadlock happened. Modification: - Invalid "Content-Length" header is removed; handlers down the chain can either rely on LastHttpContent message or ask HttpObjectAggregator to add the header. - FullHttpRequest is split into HttpRequest and HttpContent (decoded) parts. - Header (HttpRequest) part of request is sent down the chain as soon as it's received. Result: The issues are fixed, unittest is added.
This commit is contained in:
igariev
Norman Maurer
parent
f0181a35ef
commit
ed10513238
@ -18,6 +18,7 @@ package io.netty.handler.codec.http;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.embedded.EmbeddedChannel;
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import io.netty.handler.codec.CodecException;
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import io.netty.handler.codec.MessageToMessageDecoder;
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import io.netty.util.ReferenceCountUtil;
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@ -47,8 +48,6 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<HttpObj
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static final String IDENTITY = HttpHeaderValues.IDENTITY.toString();
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private EmbeddedChannel decoder;
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private HttpMessage message;
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private boolean decodeStarted;
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private boolean continueResponse;
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@Override
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@ -73,20 +72,9 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<HttpObj
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}
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if (msg instanceof HttpMessage) {
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assert message == null;
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message = (HttpMessage) msg;
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decodeStarted = false;
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cleanup();
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}
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if (msg instanceof HttpContent) {
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final HttpContent c = (HttpContent) msg;
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if (!decodeStarted) {
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decodeStarted = true;
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HttpMessage message = this.message;
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HttpHeaders headers = message.headers();
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this.message = null;
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final HttpMessage message = (HttpMessage) msg;
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final HttpHeaders headers = message.headers();
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// Determine the content encoding.
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String contentEncoding = headers.get(HttpHeaderNames.CONTENT_ENCODING);
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@ -95,12 +83,25 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<HttpObj
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} else {
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contentEncoding = IDENTITY;
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}
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decoder = newContentDecoder(contentEncoding);
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if ((decoder = newContentDecoder(contentEncoding)) != null) {
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// Decode the content and remove or replace the existing headers
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// so that the message looks like a decoded message.
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String targetContentEncoding = getTargetContentEncoding(contentEncoding);
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if (HttpHeaderValues.IDENTITY.contentEquals(targetContentEncoding)) {
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if (decoder == null) {
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if (message instanceof HttpContent) {
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((HttpContent) message).retain();
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}
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out.add(message);
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return;
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}
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// Remove content-length header:
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// the correct value can be set only after all chunks are processed/decoded.
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// If buffering is not an issue, add HttpObjectAggregator down the chain, it will set the header.
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// Otherwise, rely on LastHttpContent message.
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headers.remove(HttpHeaderNames.CONTENT_LENGTH);
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// set new content encoding,
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CharSequence targetContentEncoding = getTargetContentEncoding(contentEncoding);
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if (HttpHeaderValues.IDENTITY.equals(targetContentEncoding)) {
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// Do NOT set the 'Content-Encoding' header if the target encoding is 'identity'
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// as per: http://tools.ietf.org/html/rfc2616#section-14.11
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headers.remove(HttpHeaderNames.CONTENT_ENCODING);
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@ -108,41 +109,36 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<HttpObj
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headers.set(HttpHeaderNames.CONTENT_ENCODING, targetContentEncoding);
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}
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out.add(message);
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decodeContent(c, out);
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// Replace the content length.
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if (headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
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int contentLength = 0;
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int size = out.size();
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for (int i = 0; i < size; i++) {
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Object o = out.get(i);
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if (o instanceof HttpContent) {
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contentLength += ((HttpContent) o).content().readableBytes();
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}
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}
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headers.set(
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HttpHeaderNames.CONTENT_LENGTH,
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Integer.toString(contentLength));
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}
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return;
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}
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if (c instanceof LastHttpContent) {
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decodeStarted = false;
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}
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out.add(message);
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out.add(c.retain());
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return;
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}
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if (decoder != null) {
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decodeContent(c, out);
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if (message instanceof HttpContent) {
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// If message is a full request or response object (headers + data), don't copy data part into out.
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// Output headers only; data part will be decoded below.
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// Note: "copy" object must not be an instance of LastHttpContent class,
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// as this would (erroneously) indicate the end of the HttpMessage to other handlers.
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HttpMessage copy;
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if (message instanceof HttpRequest) {
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HttpRequest r = (HttpRequest) message; // HttpRequest or FullHttpRequest
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copy = new DefaultHttpRequest(r.protocolVersion(), r.method(), r.uri());
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} else if (message instanceof HttpResponse) {
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HttpResponse r = (HttpResponse) message; // HttpResponse or FullHttpResponse
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copy = new DefaultHttpResponse(r.protocolVersion(), r.status());
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} else {
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if (c instanceof LastHttpContent) {
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decodeStarted = false;
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throw new CodecException("Object of class " + message.getClass().getName() +
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" is not a HttpRequest or HttpResponse");
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}
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copy.headers().set(message.headers());
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copy.setDecoderResult(message.decoderResult());
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out.add(copy);
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} else {
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out.add(message);
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}
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}
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if (msg instanceof HttpContent) {
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final HttpContent c = (HttpContent) msg;
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if (decoder == null) {
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out.add(c.retain());
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} else {
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decodeContent(c, out);
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}
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}
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}
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@ -230,7 +226,6 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<HttpObj
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if (decoder.finish()) {
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fetchDecoderOutput(out);
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}
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decodeStarted = false;
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decoder = null;
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}
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@ -0,0 +1,510 @@
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/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.embedded.EmbeddedChannel;
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import io.netty.handler.codec.compression.ZlibCodecFactory;
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import io.netty.handler.codec.compression.ZlibDecoder;
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import io.netty.handler.codec.compression.ZlibEncoder;
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import io.netty.handler.codec.compression.ZlibWrapper;
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import io.netty.util.CharsetUtil;
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import io.netty.util.ReferenceCountUtil;
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import org.junit.Test;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Queue;
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import static org.hamcrest.CoreMatchers.*;
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import static org.junit.Assert.*;
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public class HttpContentDecoderTest {
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private static final String HELLO_WORLD = "hello, world";
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private static final byte[] GZ_HELLO_WORLD = {
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31, -117, 8, 8, 12, 3, -74, 84, 0, 3, 50, 0, -53, 72, -51, -55, -55,
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-41, 81, 40, -49, 47, -54, 73, 1, 0, 58, 114, -85, -1, 12, 0, 0, 0
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};
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@Test
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public void testBinaryDecompression() throws Exception {
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// baseline test: zlib library and test helpers work correctly.
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byte[] helloWorld = gzDecompress(GZ_HELLO_WORLD);
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assertEquals(HELLO_WORLD.length(), helloWorld.length);
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assertEquals(HELLO_WORLD, new String(helloWorld, CharsetUtil.US_ASCII));
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String fullCycleTest = "full cycle test";
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byte[] compressed = gzCompress(fullCycleTest.getBytes(CharsetUtil.US_ASCII));
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byte[] decompressed = gzDecompress(compressed);
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assertEquals(decompressed.length, fullCycleTest.length());
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assertEquals(fullCycleTest, new String(decompressed, CharsetUtil.US_ASCII));
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}
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@Test
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public void testRequestDecompression() {
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// baseline test: request decoder, content decompressor && request aggregator work as expected
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HttpRequestDecoder decoder = new HttpRequestDecoder();
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
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String headers = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
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assertTrue(channel.writeInbound(buf));
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Object o = channel.readInbound();
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assertThat(o, is(instanceOf(FullHttpRequest.class)));
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FullHttpRequest req = (FullHttpRequest) o;
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assertEquals(HELLO_WORLD.length(), req.headers().getInt(HttpHeaderNames.CONTENT_LENGTH).intValue());
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assertEquals(HELLO_WORLD, req.content().toString(CharsetUtil.US_ASCII));
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req.release();
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assertHasInboundMessages(channel, false);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish()); // assert that no messages are left in channel
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}
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@Test
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public void testResponseDecompression() {
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// baseline test: response decoder, content decompressor && request aggregator work as expected
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HttpResponseDecoder decoder = new HttpResponseDecoder();
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
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String headers = "HTTP/1.1 200 OK\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
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assertTrue(channel.writeInbound(buf));
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Object o = channel.readInbound();
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assertThat(o, is(instanceOf(FullHttpResponse.class)));
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FullHttpResponse resp = (FullHttpResponse) o;
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assertEquals(HELLO_WORLD.length(), resp.headers().getInt(HttpHeaderNames.CONTENT_LENGTH).intValue());
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assertEquals(HELLO_WORLD, resp.content().toString(CharsetUtil.US_ASCII));
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resp.release();
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assertHasInboundMessages(channel, false);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish()); // assert that no messages are left in channel
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}
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@Test
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public void testExpectContinueResponse1() {
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// request with header "Expect: 100-continue" must be replied with one "100 Continue" response
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// case 1: no ContentDecoder in chain at all (baseline test)
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HttpRequestDecoder decoder = new HttpRequestDecoder();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, aggregator);
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String req = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Expect: 100-continue\r\n" +
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"\r\n";
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// note: the following writeInbound() returns false as there is no message is inbound buffer
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// until HttpObjectAggregator caches composes a complete message.
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// however, http response "100 continue" must be sent as soon as headers are received
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assertFalse(channel.writeInbound(Unpooled.wrappedBuffer(req.getBytes())));
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Object o = channel.readOutbound();
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assertThat(o, is(instanceOf(FullHttpResponse.class)));
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FullHttpResponse r = (FullHttpResponse) o;
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assertEquals(100, r.status().code());
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assertTrue(channel.writeInbound(Unpooled.wrappedBuffer(GZ_HELLO_WORLD)));
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r.release();
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assertHasInboundMessages(channel, true);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish());
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}
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@Test
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public void testExpectContinueResponse2() {
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// request with header "Expect: 100-continue" must be replied with one "100 Continue" response
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// case 2: contentDecoder is in chain, but the content is not encoded, should be no-op
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HttpRequestDecoder decoder = new HttpRequestDecoder();
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
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String req = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Expect: 100-continue\r\n" +
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"\r\n";
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assertFalse(channel.writeInbound(Unpooled.wrappedBuffer(req.getBytes())));
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Object o = channel.readOutbound();
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assertThat(o, is(instanceOf(FullHttpResponse.class)));
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FullHttpResponse r = (FullHttpResponse) o;
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assertEquals(100, r.status().code());
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r.release();
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assertTrue(channel.writeInbound(Unpooled.wrappedBuffer(GZ_HELLO_WORLD)));
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assertHasInboundMessages(channel, true);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish());
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}
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@Test
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public void testExpectContinueResponse3() {
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// request with header "Expect: 100-continue" must be replied with one "100 Continue" response
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// case 3: ContentDecoder is in chain and content is encoded
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HttpRequestDecoder decoder = new HttpRequestDecoder();
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
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String req = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Expect: 100-continue\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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assertFalse(channel.writeInbound(Unpooled.wrappedBuffer(req.getBytes())));
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Object o = channel.readOutbound();
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assertThat(o, is(instanceOf(FullHttpResponse.class)));
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FullHttpResponse r = (FullHttpResponse) o;
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assertEquals(100, r.status().code());
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r.release();
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assertTrue(channel.writeInbound(Unpooled.wrappedBuffer(GZ_HELLO_WORLD)));
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assertHasInboundMessages(channel, true);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish());
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}
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@Test
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public void testExpectContinueResponse4() {
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// request with header "Expect: 100-continue" must be replied with one "100 Continue" response
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// case 4: ObjectAggregator is up in chain
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HttpRequestDecoder decoder = new HttpRequestDecoder();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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EmbeddedChannel channel = new EmbeddedChannel(decoder, aggregator, decompressor);
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String req = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Expect: 100-continue\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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assertFalse(channel.writeInbound(Unpooled.wrappedBuffer(req.getBytes())));
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Object o = channel.readOutbound();
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assertThat(o, is(instanceOf(FullHttpResponse.class)));
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FullHttpResponse r = (FullHttpResponse) o;
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assertEquals(100, r.status().code());
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r.release();
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assertTrue(channel.writeInbound(Unpooled.wrappedBuffer(GZ_HELLO_WORLD)));
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assertHasInboundMessages(channel, true);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish());
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}
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@Test
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public void testRequestContentLength1() {
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// case 1: test that ContentDecompressor either sets the correct Content-Length header
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// or removes it completely (handlers down the chain must rely on LastHttpContent object)
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// force content to be in more than one chunk (5 bytes/chunk)
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HttpRequestDecoder decoder = new HttpRequestDecoder(4096, 4096, 5);
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor);
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String headers = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
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assertTrue(channel.writeInbound(buf));
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Queue<Object> req = channel.inboundMessages();
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assertTrue(req.size() >= 1);
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Object o = req.peek();
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assertThat(o, is(instanceOf(HttpRequest.class)));
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HttpRequest r = (HttpRequest) o;
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String v = r.headers().get(HttpHeaderNames.CONTENT_LENGTH);
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Long value = v == null ? null : Long.parseLong(v);
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assertTrue(value == null || value.longValue() == HELLO_WORLD.length());
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assertHasInboundMessages(channel, true);
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assertHasOutboundMessages(channel, false);
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assertFalse(channel.finish());
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}
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@Test
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public void testRequestContentLength2() {
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// case 2: if HttpObjectAggregator is down the chain, then correct Content-Length header must be set
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// force content to be in more than one chunk (5 bytes/chunk)
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HttpRequestDecoder decoder = new HttpRequestDecoder(4096, 4096, 5);
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HttpContentDecoder decompressor = new HttpContentDecompressor();
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HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
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EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
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String headers = "POST / HTTP/1.1\r\n" +
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"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
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"Content-Encoding: gzip\r\n" +
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"\r\n";
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ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
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assertTrue(channel.writeInbound(buf));
|
||||
|
||||
Object o = channel.readInbound();
|
||||
assertThat(o, is(instanceOf(FullHttpRequest.class)));
|
||||
FullHttpRequest r = (FullHttpRequest) o;
|
||||
String v = r.headers().get(HttpHeaderNames.CONTENT_LENGTH);
|
||||
Long value = v == null ? null : Long.parseLong(v);
|
||||
|
||||
r.release();
|
||||
assertNotNull(value);
|
||||
assertEquals(HELLO_WORLD.length(), value.longValue());
|
||||
|
||||
assertHasInboundMessages(channel, false);
|
||||
assertHasOutboundMessages(channel, false);
|
||||
assertFalse(channel.finish());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testResponseContentLength1() {
|
||||
// case 1: test that ContentDecompressor either sets the correct Content-Length header
|
||||
// or removes it completely (handlers down the chain must rely on LastHttpContent object)
|
||||
|
||||
// force content to be in more than one chunk (5 bytes/chunk)
|
||||
HttpResponseDecoder decoder = new HttpResponseDecoder(4096, 4096, 5);
|
||||
HttpContentDecoder decompressor = new HttpContentDecompressor();
|
||||
EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor);
|
||||
String headers = "HTTP/1.1 200 OK\r\n" +
|
||||
"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
|
||||
"Content-Encoding: gzip\r\n" +
|
||||
"\r\n";
|
||||
ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
|
||||
assertTrue(channel.writeInbound(buf));
|
||||
|
||||
Queue<Object> resp = channel.inboundMessages();
|
||||
assertTrue(resp.size() >= 1);
|
||||
Object o = resp.peek();
|
||||
assertThat(o, is(instanceOf(HttpResponse.class)));
|
||||
HttpResponse r = (HttpResponse) o;
|
||||
String v = r.headers().get(HttpHeaderNames.CONTENT_LENGTH);
|
||||
Long value = v == null ? null : Long.parseLong(v);
|
||||
assertTrue(value == null || value.longValue() == HELLO_WORLD.length());
|
||||
|
||||
assertHasInboundMessages(channel, true);
|
||||
assertHasOutboundMessages(channel, false);
|
||||
assertFalse(channel.finish());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testResponseContentLength2() {
|
||||
// case 2: if HttpObjectAggregator is down the chain, then correct Content-Length header must be set
|
||||
|
||||
// force content to be in more than one chunk (5 bytes/chunk)
|
||||
HttpResponseDecoder decoder = new HttpResponseDecoder(4096, 4096, 5);
|
||||
HttpContentDecoder decompressor = new HttpContentDecompressor();
|
||||
HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
|
||||
EmbeddedChannel channel = new EmbeddedChannel(decoder, decompressor, aggregator);
|
||||
String headers = "HTTP/1.1 200 OK\r\n" +
|
||||
"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
|
||||
"Content-Encoding: gzip\r\n" +
|
||||
"\r\n";
|
||||
ByteBuf buf = Unpooled.copiedBuffer(headers.getBytes(CharsetUtil.US_ASCII), GZ_HELLO_WORLD);
|
||||
assertTrue(channel.writeInbound(buf));
|
||||
|
||||
Object o = channel.readInbound();
|
||||
assertThat(o, is(instanceOf(FullHttpResponse.class)));
|
||||
FullHttpResponse r = (FullHttpResponse) o;
|
||||
String v = r.headers().get(HttpHeaderNames.CONTENT_LENGTH);
|
||||
Long value = v == null ? null : Long.parseLong(v);
|
||||
assertNotNull(value);
|
||||
assertEquals(HELLO_WORLD.length(), value.longValue());
|
||||
r.release();
|
||||
|
||||
assertHasInboundMessages(channel, false);
|
||||
assertHasOutboundMessages(channel, false);
|
||||
assertFalse(channel.finish());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFullHttpRequest() {
|
||||
// test that ContentDecoder can be used after the ObjectAggregator
|
||||
HttpRequestDecoder decoder = new HttpRequestDecoder(4096, 4096, 5);
|
||||
HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
|
||||
HttpContentDecoder decompressor = new HttpContentDecompressor();
|
||||
EmbeddedChannel channel = new EmbeddedChannel(decoder, aggregator, decompressor);
|
||||
String headers = "POST / HTTP/1.1\r\n" +
|
||||
"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
|
||||
"Content-Encoding: gzip\r\n" +
|
||||
"\r\n";
|
||||
assertTrue(channel.writeInbound(Unpooled.copiedBuffer(headers.getBytes(), GZ_HELLO_WORLD)));
|
||||
|
||||
Queue<Object> req = channel.inboundMessages();
|
||||
assertTrue(req.size() > 1);
|
||||
int contentLength = 0;
|
||||
for (Object o : req) {
|
||||
if (o instanceof HttpContent) {
|
||||
assertTrue(((HttpContent) o).refCnt() > 0);
|
||||
ByteBuf b = ((HttpContent) o).content();
|
||||
contentLength += b.readableBytes();
|
||||
}
|
||||
}
|
||||
|
||||
int readCount = 0;
|
||||
byte[] receivedContent = new byte[contentLength];
|
||||
for (Object o : req) {
|
||||
if (o instanceof HttpContent) {
|
||||
ByteBuf b = ((HttpContent) o).content();
|
||||
int readableBytes = b.readableBytes();
|
||||
b.readBytes(receivedContent, readCount, readableBytes);
|
||||
readCount += readableBytes;
|
||||
}
|
||||
}
|
||||
|
||||
assertEquals(HELLO_WORLD, new String(receivedContent, CharsetUtil.US_ASCII));
|
||||
|
||||
assertHasInboundMessages(channel, true);
|
||||
assertHasOutboundMessages(channel, false);
|
||||
assertFalse(channel.finish());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFullHttpResponse() {
|
||||
// test that ContentDecoder can be used after the ObjectAggregator
|
||||
HttpResponseDecoder decoder = new HttpResponseDecoder(4096, 4096, 5);
|
||||
HttpObjectAggregator aggregator = new HttpObjectAggregator(1024);
|
||||
HttpContentDecoder decompressor = new HttpContentDecompressor();
|
||||
EmbeddedChannel channel = new EmbeddedChannel(decoder, aggregator, decompressor);
|
||||
String headers = "HTTP/1.1 200 OK\r\n" +
|
||||
"Content-Length: " + GZ_HELLO_WORLD.length + "\r\n" +
|
||||
"Content-Encoding: gzip\r\n" +
|
||||
"\r\n";
|
||||
assertTrue(channel.writeInbound(Unpooled.copiedBuffer(headers.getBytes(), GZ_HELLO_WORLD)));
|
||||
|
||||
Queue<Object> resp = channel.inboundMessages();
|
||||
assertTrue(resp.size() > 1);
|
||||
int contentLength = 0;
|
||||
for (Object o : resp) {
|
||||
if (o instanceof HttpContent) {
|
||||
assertTrue(((HttpContent) o).refCnt() > 0);
|
||||
ByteBuf b = ((HttpContent) o).content();
|
||||
contentLength += b.readableBytes();
|
||||
}
|
||||
}
|
||||
|
||||
int readCount = 0;
|
||||
byte[] receivedContent = new byte[contentLength];
|
||||
for (Object o : resp) {
|
||||
if (o instanceof HttpContent) {
|
||||
ByteBuf b = ((HttpContent) o).content();
|
||||
int readableBytes = b.readableBytes();
|
||||
b.readBytes(receivedContent, readCount, readableBytes);
|
||||
readCount += readableBytes;
|
||||
}
|
||||
}
|
||||
|
||||
assertEquals(HELLO_WORLD, new String(receivedContent, CharsetUtil.US_ASCII));
|
||||
|
||||
assertHasInboundMessages(channel, true);
|
||||
assertHasOutboundMessages(channel, false);
|
||||
assertFalse(channel.finish());
|
||||
}
|
||||
|
||||
private byte[] gzDecompress(byte[] input) {
|
||||
ZlibDecoder decoder = ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP);
|
||||
EmbeddedChannel channel = new EmbeddedChannel(decoder);
|
||||
assertTrue(channel.writeInbound(Unpooled.wrappedBuffer(input)));
|
||||
assertTrue(channel.finish()); // close the channel to indicate end-of-data
|
||||
|
||||
int outputSize = 0;
|
||||
ByteBuf o;
|
||||
List<ByteBuf> inbound = new ArrayList<ByteBuf>();
|
||||
while ((o = channel.readInbound()) != null) {
|
||||
inbound.add(o);
|
||||
outputSize += o.readableBytes();
|
||||
}
|
||||
|
||||
byte[] output = new byte[outputSize];
|
||||
int readCount = 0;
|
||||
for (ByteBuf b : inbound) {
|
||||
int readableBytes = b.readableBytes();
|
||||
b.readBytes(output, readCount, readableBytes);
|
||||
b.release();
|
||||
readCount += readableBytes;
|
||||
}
|
||||
assertTrue(channel.inboundMessages().isEmpty() && channel.outboundMessages().isEmpty());
|
||||
return output;
|
||||
}
|
||||
|
||||
private byte[] gzCompress(byte[] input) {
|
||||
ZlibEncoder encoder = ZlibCodecFactory.newZlibEncoder(ZlibWrapper.GZIP);
|
||||
EmbeddedChannel channel = new EmbeddedChannel(encoder);
|
||||
assertTrue(channel.writeOutbound(Unpooled.wrappedBuffer(input)));
|
||||
assertTrue(channel.finish()); // close the channel to indicate end-of-data
|
||||
|
||||
int outputSize = 0;
|
||||
ByteBuf o;
|
||||
List<ByteBuf> outbound = new ArrayList<ByteBuf>();
|
||||
while ((o = channel.readOutbound()) != null) {
|
||||
outbound.add(o);
|
||||
outputSize += o.readableBytes();
|
||||
}
|
||||
|
||||
byte[] output = new byte[outputSize];
|
||||
int readCount = 0;
|
||||
for (ByteBuf b : outbound) {
|
||||
int readableBytes = b.readableBytes();
|
||||
b.readBytes(output, readCount, readableBytes);
|
||||
b.release();
|
||||
readCount += readableBytes;
|
||||
}
|
||||
assertTrue(channel.inboundMessages().isEmpty() && channel.outboundMessages().isEmpty());
|
||||
return output;
|
||||
}
|
||||
|
||||
private void assertHasInboundMessages(EmbeddedChannel channel, boolean hasMessages) {
|
||||
Object o;
|
||||
if (hasMessages) {
|
||||
while (true) {
|
||||
o = channel.readInbound();
|
||||
assertNotNull(o);
|
||||
ReferenceCountUtil.release(o);
|
||||
if (o instanceof LastHttpContent) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
o = channel.readInbound();
|
||||
assertNull(o);
|
||||
}
|
||||
}
|
||||
|
||||
private void assertHasOutboundMessages(EmbeddedChannel channel, boolean hasMessages) {
|
||||
Object o;
|
||||
if (hasMessages) {
|
||||
while (true) {
|
||||
o = channel.readOutbound();
|
||||
assertNotNull(o);
|
||||
ReferenceCountUtil.release(o);
|
||||
if (o instanceof LastHttpContent) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
o = channel.readOutbound();
|
||||
assertNull(o);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user