| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http2.impl.nio; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.hc.core5.http.ConnectionClosedException; |
| import org.apache.hc.core5.http2.H2ConnectionException; |
| import org.apache.hc.core5.http2.H2CorruptFrameException; |
| import org.apache.hc.core5.http2.ReadableByteChannelMock; |
| import org.apache.hc.core5.http2.WritableByteChannelMock; |
| import org.apache.hc.core5.http2.frame.FrameConsts; |
| import org.apache.hc.core5.http2.frame.FrameFlag; |
| import org.apache.hc.core5.http2.frame.FrameType; |
| import org.apache.hc.core5.http2.frame.RawFrame; |
| import org.apache.hc.core5.http2.impl.BasicH2TransportMetrics; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestFrameInOutBuffers { |
| |
| @Test |
| public void testReadWriteFrame() throws Exception { |
| final WritableByteChannelMock writableChannel = new WritableByteChannelMock(1024); |
| final FrameOutputBuffer outbuffer = new FrameOutputBuffer(16 * 1024); |
| |
| final RawFrame frame = new RawFrame(FrameType.DATA.getValue(), 0, 1, |
| ByteBuffer.wrap(new byte[]{1,2,3,4,5})); |
| outbuffer.write(frame, writableChannel); |
| |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final byte[] bytes = writableChannel.toByteArray(); |
| Assert.assertEquals(FrameConsts.HEAD_LEN + 5, bytes.length); |
| |
| Assert.assertEquals(1, outbuffer.getMetrics().getFramesTransferred()); |
| Assert.assertEquals(bytes.length, outbuffer.getMetrics().getBytesTransferred()); |
| |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock(bytes); |
| final RawFrame frame2 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA.getValue(), frame2.getType()); |
| Assert.assertEquals(0, frame2.getFlags()); |
| Assert.assertEquals(1L, frame2.getStreamId()); |
| final ByteBuffer payload2 = frame2.getPayloadContent(); |
| Assert.assertNotNull(payload2); |
| Assert.assertEquals(5, payload2.remaining()); |
| Assert.assertEquals(1, payload2.get()); |
| Assert.assertEquals(2, payload2.get()); |
| Assert.assertEquals(3, payload2.get()); |
| Assert.assertEquals(4, payload2.get()); |
| Assert.assertEquals(5, payload2.get()); |
| Assert.assertEquals(-1, readableChannel.read(ByteBuffer.allocate(1024))); |
| |
| Assert.assertEquals(1, inBuffer.getMetrics().getFramesTransferred()); |
| Assert.assertEquals(bytes.length, inBuffer.getMetrics().getBytesTransferred()); |
| } |
| |
| @Test |
| public void testPartialFrameWrite() throws Exception { |
| final WritableByteChannelMock writableChannel = new WritableByteChannelMock(1024, FrameConsts.HEAD_LEN + 10); |
| final FrameOutputBuffer outbuffer = new FrameOutputBuffer(16 * 1024); |
| final RawFrame frame = new RawFrame(FrameType.DATA.getValue(), FrameFlag.END_STREAM.getValue(), 5, |
| ByteBuffer.wrap(new byte[]{'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'})); |
| |
| outbuffer.write(frame, writableChannel); |
| Assert.assertArrayEquals(new byte[] {0,0,16,0,1,0,0,0,5,48,49,50,51,52,53,54,55,56,57}, |
| writableChannel.toByteArray()); |
| |
| Assert.assertFalse(outbuffer.isEmpty()); |
| outbuffer.flush(writableChannel); |
| Assert.assertArrayEquals(new byte[] {0,0,16,0,1,0,0,0,5,48,49,50,51,52,53,54,55,56,57}, |
| writableChannel.toByteArray()); |
| |
| writableChannel.flush(); |
| outbuffer.flush(writableChannel); |
| Assert.assertArrayEquals(new byte[] {0,0,16,0,1,0,0,0,5,48,49,50,51,52,53,54,55,56,57,97,98,99,100,101,102}, |
| writableChannel.toByteArray()); |
| } |
| |
| @Test |
| public void testReadFrameMultiple() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock( |
| new byte[] { |
| 0,0,10,0,8,0,0,0,8,4,0,1,2,3,4,0,0,0,0, |
| 0,0,10,0,9,0,0,0,8,4,5,6,7,8,9,0,0,0,0 |
| }); |
| |
| final RawFrame frame1 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame1.getType())); |
| Assert.assertEquals(8, frame1.getFlags()); |
| Assert.assertEquals(8, frame1.getStreamId()); |
| final ByteBuffer payload1 = frame1.getPayloadContent(); |
| Assert.assertNotNull(payload1); |
| Assert.assertEquals(5, payload1.remaining()); |
| Assert.assertEquals(0, payload1.get()); |
| Assert.assertEquals(1, payload1.get()); |
| Assert.assertEquals(2, payload1.get()); |
| Assert.assertEquals(3, payload1.get()); |
| Assert.assertEquals(4, payload1.get()); |
| |
| final RawFrame frame2 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame2.getType())); |
| Assert.assertEquals(FrameFlag.of(FrameFlag.END_STREAM, FrameFlag.PADDED), frame2.getFlags()); |
| Assert.assertEquals(8, frame2.getStreamId()); |
| final ByteBuffer payload2 = frame2.getPayloadContent(); |
| Assert.assertNotNull(payload2); |
| Assert.assertEquals(5, payload2.remaining()); |
| Assert.assertEquals(5, payload2.get()); |
| Assert.assertEquals(6, payload2.get()); |
| Assert.assertEquals(7, payload2.get()); |
| Assert.assertEquals(8, payload2.get()); |
| Assert.assertEquals(9, payload2.get()); |
| |
| Assert.assertEquals(-1, readableChannel.read(ByteBuffer.allocate(1024))); |
| } |
| |
| @Test |
| public void testReadFrameMultipleSmallBuffer() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(new BasicH2TransportMetrics(), 20, 10); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock( |
| new byte[] { |
| 0,0,10,0,8,0,0,0,8,4,1,1,1,1,1,0,0,0,0, |
| 0,0,5,0,0,0,0,0,8,2,2,2,2,2, |
| 0,0,10,0,9,0,0,0,8,4,3,3,3,3,3,0,0,0,0 |
| }); |
| |
| final RawFrame frame1 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame1.getType())); |
| Assert.assertEquals(8, frame1.getFlags()); |
| Assert.assertEquals(8, frame1.getStreamId()); |
| final ByteBuffer payload1 = frame1.getPayloadContent(); |
| Assert.assertNotNull(payload1); |
| Assert.assertEquals(5, payload1.remaining()); |
| Assert.assertEquals(1, payload1.get()); |
| Assert.assertEquals(1, payload1.get()); |
| Assert.assertEquals(1, payload1.get()); |
| Assert.assertEquals(1, payload1.get()); |
| Assert.assertEquals(1, payload1.get()); |
| |
| final RawFrame frame2 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame2.getType())); |
| Assert.assertEquals(0, frame2.getFlags()); |
| Assert.assertEquals(8, frame2.getStreamId()); |
| final ByteBuffer payload2 = frame2.getPayloadContent(); |
| Assert.assertNotNull(payload2); |
| Assert.assertEquals(5, payload2.remaining()); |
| Assert.assertEquals(2, payload2.get()); |
| Assert.assertEquals(2, payload2.get()); |
| Assert.assertEquals(2, payload2.get()); |
| Assert.assertEquals(2, payload2.get()); |
| Assert.assertEquals(2, payload2.get()); |
| |
| final RawFrame frame3 = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame3.getType())); |
| Assert.assertEquals(FrameFlag.of(FrameFlag.END_STREAM, FrameFlag.PADDED), frame3.getFlags()); |
| Assert.assertEquals(8, frame3.getStreamId()); |
| final ByteBuffer payload3 = frame3.getPayloadContent(); |
| Assert.assertNotNull(payload3); |
| Assert.assertEquals(5, payload3.remaining()); |
| Assert.assertEquals(3, payload3.get()); |
| Assert.assertEquals(3, payload3.get()); |
| Assert.assertEquals(3, payload3.get()); |
| Assert.assertEquals(3, payload3.get()); |
| Assert.assertEquals(3, payload3.get()); |
| |
| Assert.assertEquals(-1, readableChannel.read(ByteBuffer.allocate(1024))); |
| } |
| |
| @Test |
| public void testReadFramePartialReads() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock( |
| new byte[] {0,0}, |
| new byte[] {10,0,9,0}, |
| new byte[] {0,0,8}, |
| new byte[] {4}, |
| new byte[] {1,2,3,4}, |
| new byte[] {5,0}, |
| new byte[] {0,0,0}); |
| |
| final RawFrame frame = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame.getType())); |
| Assert.assertEquals(FrameFlag.of(FrameFlag.END_STREAM, FrameFlag.PADDED), frame.getFlags()); |
| Assert.assertEquals(8, frame.getStreamId()); |
| final ByteBuffer payload = frame.getPayloadContent(); |
| Assert.assertNotNull(payload); |
| Assert.assertEquals(5, payload.remaining()); |
| Assert.assertEquals(1, payload.get()); |
| Assert.assertEquals(2, payload.get()); |
| Assert.assertEquals(3, payload.get()); |
| Assert.assertEquals(4, payload.get()); |
| Assert.assertEquals(5, payload.get()); |
| |
| Assert.assertEquals(-1, readableChannel.read(ByteBuffer.allocate(1024))); |
| } |
| |
| @Test |
| public void testReadEmptyFrame() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock( |
| new byte[] {0,0,0,0,0,0,0,0,0}); |
| |
| final RawFrame frame = inBuffer.read(readableChannel); |
| Assert.assertEquals(FrameType.DATA, FrameType.valueOf(frame.getType())); |
| Assert.assertEquals(0, frame.getFlags()); |
| Assert.assertEquals(0, frame.getStreamId()); |
| final ByteBuffer payload = frame.getPayloadContent(); |
| Assert.assertNull(payload); |
| } |
| |
| @Test |
| public void testReadFrameConnectionClosed() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock(new byte[] {}); |
| |
| Assert.assertEquals(null, inBuffer.read(readableChannel)); |
| Assert.assertThrows(ConnectionClosedException.class, () -> |
| inBuffer.read(readableChannel)); |
| } |
| |
| @Test |
| public void testReadFrameCorruptFrame() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock(new byte[] {0,0}); |
| |
| Assert.assertThrows(H2CorruptFrameException.class, () -> |
| inBuffer.read(readableChannel)); |
| } |
| |
| @Test |
| public void testWriteFrameExceedingLimit() throws Exception { |
| final WritableByteChannelMock writableChannel = new WritableByteChannelMock(1024); |
| final FrameOutputBuffer outbuffer = new FrameOutputBuffer(1024); |
| |
| final RawFrame frame = new RawFrame(FrameType.DATA.getValue(), 0, 1, |
| ByteBuffer.wrap(new byte[2048])); |
| Assert.assertThrows(H2ConnectionException.class, () -> |
| outbuffer.write(frame, writableChannel)); |
| } |
| |
| @Test |
| public void testReadFrameExceedingLimit() throws Exception { |
| final FrameInputBuffer inBuffer = new FrameInputBuffer(16 * 1024); |
| final ReadableByteChannelMock readableChannel = new ReadableByteChannelMock( |
| new byte[] {0,-128,-128,0,0,0,0,0,1}); |
| |
| Assert.assertThrows(H2ConnectionException.class, () -> |
| inBuffer.read(readableChannel)); |
| } |
| |
| } |
| |