| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.eclipse.jetty.http2.ErrorCode; |
| import org.eclipse.jetty.http2.generator.HeaderGenerator; |
| import org.eclipse.jetty.http2.generator.SettingsGenerator; |
| 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 SettingsGenerateParseTest |
| { |
| private final ByteBufferPool byteBufferPool = new MappedByteBufferPool(); |
| |
| @Test |
| public void testGenerateParseNoSettings() throws Exception |
| { |
| List<SettingsFrame> frames = testGenerateParse(Collections.<Integer, Integer>emptyMap()); |
| Assert.assertEquals(1, frames.size()); |
| SettingsFrame frame = frames.get(0); |
| Assert.assertEquals(0, frame.getSettings().size()); |
| Assert.assertTrue(frame.isReply()); |
| } |
| |
| @Test |
| public void testGenerateParseSettings() throws Exception |
| { |
| Map<Integer, Integer> settings1 = new HashMap<>(); |
| int key1 = 13; |
| Integer value1 = 17; |
| settings1.put(key1, value1); |
| int key2 = 19; |
| Integer value2 = 23; |
| settings1.put(key2, value2); |
| List<SettingsFrame> frames = testGenerateParse(settings1); |
| Assert.assertEquals(1, frames.size()); |
| SettingsFrame frame = frames.get(0); |
| Map<Integer, Integer> settings2 = frame.getSettings(); |
| Assert.assertEquals(2, settings2.size()); |
| Assert.assertEquals(value1, settings2.get(key1)); |
| Assert.assertEquals(value2, settings2.get(key2)); |
| } |
| |
| private List<SettingsFrame> testGenerateParse(Map<Integer, Integer> settings) |
| { |
| SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator()); |
| |
| final List<SettingsFrame> frames = new ArrayList<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onSettings(SettingsFrame frame) |
| { |
| frames.add(frame); |
| } |
| }, 4096, 8192); |
| |
| // Iterate a few times to be sure generator and parser are properly reset. |
| for (int i = 0; i < 2; ++i) |
| { |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.generateSettings(lease, settings, true); |
| |
| frames.clear(); |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| while (buffer.hasRemaining()) |
| { |
| parser.parse(buffer); |
| } |
| } |
| } |
| |
| return frames; |
| } |
| |
| @Test |
| public void testGenerateParseInvalidSettings() throws Exception |
| { |
| SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator()); |
| |
| final AtomicInteger errorRef = new AtomicInteger(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onConnectionFailure(int error, String reason) |
| { |
| errorRef.set(error); |
| } |
| }, 4096, 8192); |
| |
| Map<Integer, Integer> settings1 = new HashMap<>(); |
| settings1.put(13, 17); |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.generateSettings(lease, settings1, true); |
| // Modify the length of the frame to make it invalid |
| ByteBuffer bytes = lease.getByteBuffers().get(0); |
| bytes.putShort(1, (short)(bytes.getShort(1) - 1)); |
| |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| while (buffer.hasRemaining()) |
| { |
| parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()})); |
| } |
| } |
| |
| Assert.assertEquals(ErrorCode.FRAME_SIZE_ERROR.code, errorRef.get()); |
| } |
| |
| @Test |
| public void testGenerateParseOneByteAtATime() throws Exception |
| { |
| SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator()); |
| |
| final List<SettingsFrame> frames = new ArrayList<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onSettings(SettingsFrame frame) |
| { |
| frames.add(frame); |
| } |
| }, 4096, 8192); |
| |
| Map<Integer, Integer> settings1 = new HashMap<>(); |
| int key = 13; |
| Integer value = 17; |
| settings1.put(key, value); |
| |
| // Iterate a few times to be sure generator and parser are properly reset. |
| for (int i = 0; i < 2; ++i) |
| { |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.generateSettings(lease, settings1, true); |
| |
| frames.clear(); |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| while (buffer.hasRemaining()) |
| { |
| parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()})); |
| } |
| } |
| |
| Assert.assertEquals(1, frames.size()); |
| SettingsFrame frame = frames.get(0); |
| Map<Integer, Integer> settings2 = frame.getSettings(); |
| Assert.assertEquals(1, settings2.size()); |
| Assert.assertEquals(value, settings2.get(key)); |
| Assert.assertTrue(frame.isReply()); |
| } |
| } |
| } |