| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.http2.frames; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jetty.http.HostPortHttpField; |
| import org.eclipse.jetty.http.HttpField; |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpScheme; |
| import org.eclipse.jetty.http.HttpVersion; |
| import org.eclipse.jetty.http.MetaData; |
| import org.eclipse.jetty.http2.Flags; |
| import org.eclipse.jetty.http2.generator.HeaderGenerator; |
| import org.eclipse.jetty.http2.generator.HeadersGenerator; |
| import org.eclipse.jetty.http2.hpack.HpackEncoder; |
| import org.eclipse.jetty.http2.parser.Parser; |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.io.MappedByteBufferPool; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class ContinuationParseTest |
| { |
| @Test |
| public void testParseOneByteAtATime() throws Exception |
| { |
| ByteBufferPool byteBufferPool = new MappedByteBufferPool(); |
| HeadersGenerator generator = new HeadersGenerator(new HeaderGenerator(), new HpackEncoder()); |
| |
| final List<HeadersFrame> frames = new ArrayList<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(HeadersFrame frame) |
| { |
| frames.add(frame); |
| } |
| |
| @Override |
| public void onConnectionFailure(int error, String reason) |
| { |
| frames.add(new HeadersFrame(null, null, false)); |
| } |
| }, 4096, 8192); |
| |
| // Iterate a few times to be sure the parser is properly reset. |
| for (int i = 0; i < 2; ++i) |
| { |
| int streamId = 13; |
| HttpFields fields = new HttpFields(); |
| fields.put("Accept", "text/html"); |
| fields.put("User-Agent", "Jetty"); |
| MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields); |
| |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.generateHeaders(lease, streamId, metaData, null, true); |
| |
| List<ByteBuffer> byteBuffers = lease.getByteBuffers(); |
| Assert.assertEquals(2, byteBuffers.size()); |
| |
| ByteBuffer headersBody = byteBuffers.remove(1); |
| int start = headersBody.position(); |
| int length = headersBody.remaining(); |
| int oneThird = length / 3; |
| int lastThird = length - 2 * oneThird; |
| |
| // Adjust the length of the HEADERS frame. |
| ByteBuffer headersHeader = byteBuffers.get(0); |
| headersHeader.put(0, (byte)((oneThird >>> 16) & 0xFF)); |
| headersHeader.put(1, (byte)((oneThird >>> 8) & 0xFF)); |
| headersHeader.put(2, (byte)(oneThird & 0xFF)); |
| |
| // Remove the END_HEADERS flag from the HEADERS header. |
| headersHeader.put(4, (byte)(headersHeader.get(4) & ~Flags.END_HEADERS)); |
| |
| // New HEADERS body. |
| headersBody.position(start); |
| headersBody.limit(start + oneThird); |
| byteBuffers.add(headersBody.slice()); |
| |
| // Split the rest of the HEADERS body into CONTINUATION frames. |
| // First CONTINUATION header. |
| byte[] continuationHeader1 = new byte[9]; |
| continuationHeader1[0] = (byte)((oneThird >>> 16) & 0xFF); |
| continuationHeader1[1] = (byte)((oneThird >>> 8) & 0xFF); |
| continuationHeader1[2] = (byte)(oneThird & 0xFF); |
| continuationHeader1[3] = (byte)FrameType.CONTINUATION.getType(); |
| continuationHeader1[4] = Flags.NONE; |
| continuationHeader1[5] = 0x00; |
| continuationHeader1[6] = 0x00; |
| continuationHeader1[7] = 0x00; |
| continuationHeader1[8] = (byte)streamId; |
| byteBuffers.add(ByteBuffer.wrap(continuationHeader1)); |
| // First CONTINUATION body. |
| headersBody.position(start + oneThird); |
| headersBody.limit(start + 2 * oneThird); |
| byteBuffers.add(headersBody.slice()); |
| // Second CONTINUATION header. |
| byte[] continuationHeader2 = new byte[9]; |
| continuationHeader2[0] = (byte)((lastThird >>> 16) & 0xFF); |
| continuationHeader2[1] = (byte)((lastThird >>> 8) & 0xFF); |
| continuationHeader2[2] = (byte)(lastThird & 0xFF); |
| continuationHeader2[3] = (byte)FrameType.CONTINUATION.getType(); |
| continuationHeader2[4] = Flags.END_HEADERS; |
| continuationHeader2[5] = 0x00; |
| continuationHeader2[6] = 0x00; |
| continuationHeader2[7] = 0x00; |
| continuationHeader2[8] = (byte)streamId; |
| byteBuffers.add(ByteBuffer.wrap(continuationHeader2)); |
| headersBody.position(start + 2 * oneThird); |
| headersBody.limit(start + length); |
| byteBuffers.add(headersBody.slice()); |
| |
| frames.clear(); |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| while (buffer.hasRemaining()) |
| { |
| parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()})); |
| } |
| } |
| |
| Assert.assertEquals(1, frames.size()); |
| HeadersFrame frame = frames.get(0); |
| Assert.assertEquals(streamId, frame.getStreamId()); |
| Assert.assertTrue(frame.isEndStream()); |
| MetaData.Request request = (MetaData.Request)frame.getMetaData(); |
| Assert.assertEquals(metaData.getMethod(), request.getMethod()); |
| Assert.assertEquals(metaData.getURI(), request.getURI()); |
| for (int j = 0; j < fields.size(); ++j) |
| { |
| HttpField field = fields.getField(j); |
| Assert.assertTrue(request.getFields().contains(field)); |
| } |
| PriorityFrame priority = frame.getPriority(); |
| Assert.assertNull(priority); |
| } |
| } |
| } |