| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.codec; |
| |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.apache.qpid.framing.AMQBody; |
| import org.apache.qpid.framing.AMQDataBlock; |
| import org.apache.qpid.framing.AMQFrame; |
| import org.apache.qpid.framing.AMQFrameDecodingException; |
| import org.apache.qpid.framing.AMQProtocolVersionException; |
| import org.apache.qpid.framing.BasicContentHeaderProperties; |
| import org.apache.qpid.framing.ContentBody; |
| import org.apache.qpid.framing.ContentHeaderBody; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.framing.FrameCreatingMethodProcessor; |
| import org.apache.qpid.framing.HeartbeatBody; |
| import org.apache.qpid.framing.ProtocolVersion; |
| import org.apache.qpid.test.utils.QpidTestCase; |
| import org.apache.qpid.transport.ByteBufferSender; |
| import org.apache.qpid.util.ByteBufferUtils; |
| |
| public class AMQDecoderTest extends QpidTestCase |
| { |
| |
| private ClientDecoder _decoder; |
| private FrameCreatingMethodProcessor _methodProcessor; |
| |
| |
| public void setUp() throws Exception |
| { |
| super.setUp(); |
| _methodProcessor = new FrameCreatingMethodProcessor(ProtocolVersion.v0_91); |
| _decoder = new ClientDecoder(_methodProcessor); |
| } |
| |
| |
| private ByteBuffer getHeartbeatBodyBuffer() throws IOException |
| { |
| TestSender sender = new TestSender(); |
| HeartbeatBody.FRAME.writePayload(sender); |
| return ByteBufferUtils.combine(sender.getSentBuffers()); |
| } |
| |
| public void testSingleFrameDecode() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| ByteBuffer msg = getHeartbeatBodyBuffer(); |
| _decoder.decodeBuffer(msg); |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| if (frames.get(0) instanceof AMQFrame) |
| { |
| assertEquals(HeartbeatBody.FRAME.getBodyFrame().getFrameType(), ((AMQFrame) frames.get(0)).getBodyFrame().getFrameType()); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| |
| |
| public void testContentHeaderPropertiesFrame() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| final BasicContentHeaderProperties props = new BasicContentHeaderProperties(); |
| final FieldTable table = new FieldTable(); |
| table.setString("hello","world"); |
| table.setInteger("1+1=",2); |
| props.setHeaders(table); |
| final AMQBody body = new ContentHeaderBody(props); |
| AMQFrame frame = new AMQFrame(1, body); |
| TestSender sender = new TestSender(); |
| frame.writePayload(sender); |
| ByteBuffer msg = ByteBufferUtils.combine(sender.getSentBuffers()); |
| |
| _decoder.decodeBuffer(msg); |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| AMQDataBlock firstFrame = frames.get(0); |
| if (firstFrame instanceof AMQFrame) |
| { |
| assertEquals(ContentHeaderBody.TYPE, ((AMQFrame) firstFrame).getBodyFrame().getFrameType()); |
| BasicContentHeaderProperties decodedProps = ((ContentHeaderBody)((AMQFrame)firstFrame).getBodyFrame()).getProperties(); |
| final FieldTable headers = decodedProps.getHeaders(); |
| assertEquals("world", headers.getString("hello")); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| |
| |
| public void testDecodeWithManyBuffers() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| Random random = new Random(); |
| final byte[] payload = new byte[2048]; |
| random.nextBytes(payload); |
| final AMQBody body = new ContentBody(ByteBuffer.wrap(payload)); |
| AMQFrame frame = new AMQFrame(1, body); |
| TestSender sender = new TestSender(); |
| frame.writePayload(sender); |
| ByteBuffer allData = ByteBufferUtils.combine(sender.getSentBuffers()); |
| |
| |
| for(int i = 0 ; i < allData.remaining(); i++) |
| { |
| byte[] minibuf = new byte[1]; |
| minibuf[0] = allData.get(i); |
| _decoder.decodeBuffer(ByteBuffer.wrap(minibuf)); |
| } |
| |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| if (frames.get(0) instanceof AMQFrame) |
| { |
| assertEquals(ContentBody.TYPE, ((AMQFrame) frames.get(0)).getBodyFrame().getFrameType()); |
| ContentBody decodedBody = (ContentBody) ((AMQFrame) frames.get(0)).getBodyFrame(); |
| final ByteBuffer byteBuffer = decodedBody.getPayload().duplicate(); |
| byte[] bodyBytes = new byte[byteBuffer.remaining()]; |
| byteBuffer.get(bodyBytes); |
| assertTrue("Body was corrupted", Arrays.equals(payload, bodyBytes)); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| |
| public void testPartialFrameDecode() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| ByteBuffer msg = getHeartbeatBodyBuffer(); |
| ByteBuffer msgA = msg.slice(); |
| int msgbPos = msg.remaining() / 2; |
| int msgaLimit = msg.remaining() - msgbPos; |
| msgA.limit(msgaLimit); |
| msg.position(msgbPos); |
| ByteBuffer msgB = msg.slice(); |
| |
| _decoder.decodeBuffer(msgA); |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| assertEquals(0, frames.size()); |
| |
| _decoder.decodeBuffer(msgB); |
| assertEquals(1, frames.size()); |
| if (frames.get(0) instanceof AMQFrame) |
| { |
| assertEquals(HeartbeatBody.FRAME.getBodyFrame().getFrameType(), ((AMQFrame) frames.get(0)).getBodyFrame().getFrameType()); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| |
| public void testMultipleFrameDecode() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| ByteBuffer msgA = getHeartbeatBodyBuffer(); |
| ByteBuffer msgB = getHeartbeatBodyBuffer(); |
| ByteBuffer msg = ByteBuffer.allocate(msgA.remaining() + msgB.remaining()); |
| msg.put(msgA); |
| msg.put(msgB); |
| msg.flip(); |
| _decoder.decodeBuffer(msg); |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| assertEquals(2, frames.size()); |
| for (AMQDataBlock frame : frames) |
| { |
| if (frame instanceof AMQFrame) |
| { |
| assertEquals(HeartbeatBody.FRAME.getBodyFrame().getFrameType(), ((AMQFrame) frame).getBodyFrame().getFrameType()); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| } |
| |
| public void testMultiplePartialFrameDecode() throws AMQProtocolVersionException, AMQFrameDecodingException, IOException |
| { |
| ByteBuffer msgA = getHeartbeatBodyBuffer(); |
| ByteBuffer msgB = getHeartbeatBodyBuffer(); |
| ByteBuffer msgC = getHeartbeatBodyBuffer(); |
| |
| ByteBuffer sliceA = ByteBuffer.allocate(msgA.remaining() + msgB.remaining() / 2); |
| sliceA.put(msgA); |
| int limit = msgB.limit(); |
| int pos = msgB.remaining() / 2; |
| msgB.limit(pos); |
| sliceA.put(msgB); |
| sliceA.flip(); |
| msgB.limit(limit); |
| msgB.position(pos); |
| |
| ByteBuffer sliceB = ByteBuffer.allocate(msgB.remaining() + pos); |
| sliceB.put(msgB); |
| msgC.limit(pos); |
| sliceB.put(msgC); |
| sliceB.flip(); |
| msgC.limit(limit); |
| |
| _decoder.decodeBuffer(sliceA); |
| List<AMQDataBlock> frames = _methodProcessor.getProcessedMethods(); |
| assertEquals(1, frames.size()); |
| frames.clear(); |
| _decoder.decodeBuffer(sliceB); |
| assertEquals(1, frames.size()); |
| frames.clear(); |
| _decoder.decodeBuffer(msgC); |
| assertEquals(1, frames.size()); |
| for (AMQDataBlock frame : frames) |
| { |
| if (frame instanceof AMQFrame) |
| { |
| assertEquals(HeartbeatBody.FRAME.getBodyFrame().getFrameType(), ((AMQFrame) frame).getBodyFrame().getFrameType()); |
| } |
| else |
| { |
| fail("decode was not a frame"); |
| } |
| } |
| } |
| |
| private static class TestSender implements ByteBufferSender |
| { |
| private final Collection<ByteBuffer> _sentBuffers = new ArrayList<>(); |
| |
| @Override |
| public void send(final ByteBuffer msg) |
| { |
| _sentBuffers.add(msg.duplicate()); |
| msg.position(msg.limit()); |
| } |
| |
| @Override |
| public void flush() |
| { |
| |
| } |
| |
| @Override |
| public void close() |
| { |
| |
| } |
| |
| public Collection<ByteBuffer> getSentBuffers() |
| { |
| return _sentBuffers; |
| } |
| } |
| |
| } |