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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http2.impl.nio;
29  
30  import java.io.IOException;
31  import java.nio.ByteBuffer;
32  
33  import org.apache.hc.core5.http.config.CharCodingConfig;
34  import org.apache.hc.core5.http.impl.BasicHttpConnectionMetrics;
35  import org.apache.hc.core5.http.nio.AsyncPushConsumer;
36  import org.apache.hc.core5.http.nio.HandlerFactory;
37  import org.apache.hc.core5.http.nio.command.ExecutableCommand;
38  import org.apache.hc.core5.http.protocol.HttpProcessor;
39  import org.apache.hc.core5.http2.H2ConnectionException;
40  import org.apache.hc.core5.http2.WritableByteChannelMock;
41  import org.apache.hc.core5.http2.config.H2Config;
42  import org.apache.hc.core5.http2.frame.DefaultFrameFactory;
43  import org.apache.hc.core5.http2.frame.FrameConsts;
44  import org.apache.hc.core5.http2.frame.FrameFactory;
45  import org.apache.hc.core5.http2.frame.FrameType;
46  import org.apache.hc.core5.http2.frame.RawFrame;
47  import org.apache.hc.core5.http2.frame.StreamIdGenerator;
48  import org.apache.hc.core5.reactor.ProtocolIOSession;
49  import org.junit.Assert;
50  import org.junit.Before;
51  import org.junit.Test;
52  import org.junit.function.ThrowingRunnable;
53  import org.mockito.Mock;
54  import org.mockito.Mockito;
55  import org.mockito.MockitoAnnotations;
56  
57  public class TestAbstractH2StreamMultiplexer {
58  
59      @Mock
60      ProtocolIOSession protocolIOSession;
61      @Mock
62      HttpProcessor httpProcessor;
63      @Mock
64      H2StreamListener h2StreamListener;
65  
66      @Before
67      public void prepareMocks() {
68          MockitoAnnotations.initMocks(this);
69      }
70  
71      static class H2StreamMultiplexerImpl extends AbstractH2StreamMultiplexer {
72  
73          public H2StreamMultiplexerImpl(
74                  final ProtocolIOSession ioSession,
75                  final FrameFactory frameFactory,
76                  final StreamIdGenerator idGenerator,
77                  final HttpProcessor httpProcessor,
78                  final CharCodingConfig charCodingConfig,
79                  final H2Config h2Config,
80                  final H2StreamListener streamListener) {
81              super(ioSession, frameFactory, idGenerator, httpProcessor, charCodingConfig, h2Config, streamListener);
82          }
83  
84          @Override
85          void acceptHeaderFrame() throws H2ConnectionException {
86          }
87  
88          @Override
89          void acceptPushRequest() throws H2ConnectionException {
90          }
91  
92          @Override
93          void acceptPushFrame() throws H2ConnectionException {
94          }
95  
96          @Override
97          H2StreamHandler createRemotelyInitiatedStream(
98                  final H2StreamChannel channel,
99                  final HttpProcessor httpProcessor,
100                 final BasicHttpConnectionMetrics connMetrics,
101                 final HandlerFactory<AsyncPushConsumer> pushHandlerFactory) throws IOException {
102             return null;
103         }
104 
105         @Override
106         H2StreamHandler createLocallyInitiatedStream(
107                 final ExecutableCommand command,
108                 final H2StreamChannel channel,
109                 final HttpProcessor httpProcessor,
110                 final BasicHttpConnectionMetrics connMetrics) throws IOException {
111             return null;
112         }
113     }
114 
115     @Test
116     public void testInputOneFrame() throws Exception {
117         final WritableByteChannelMockMock.html#WritableByteChannelMock">WritableByteChannelMock writableChannel = new WritableByteChannelMock(1024);
118         final FrameOutputBuffer outbuffer = new FrameOutputBuffer(16 * 1024);
119 
120         final byte[] data = new byte[FrameConsts.MIN_FRAME_SIZE];
121         for (int i = 0; i < FrameConsts.MIN_FRAME_SIZE; i++) {
122             data[i] = (byte)(i % 16);
123         }
124 
125         final RawFrame frame = new RawFrame(FrameType.DATA.getValue(), 0, 1, ByteBuffer.wrap(data));
126         outbuffer.write(frame, writableChannel);
127         final byte[] bytes = writableChannel.toByteArray();
128 
129         final AbstractH2StreamMultiplexer streamMultiplexer = new H2StreamMultiplexerImpl(
130                 protocolIOSession,
131                 DefaultFrameFactory.INSTANCE,
132                 StreamIdGenerator.ODD,
133                 httpProcessor,
134                 CharCodingConfig.DEFAULT,
135                 H2Config.custom()
136                         .setMaxFrameSize(FrameConsts.MIN_FRAME_SIZE)
137                         .build(),
138                 h2StreamListener);
139 
140         Assert.assertThrows(H2ConnectionException.class, new ThrowingRunnable() {
141             @Override
142             public void run() throws Throwable {
143                 streamMultiplexer.onInput(ByteBuffer.wrap(bytes));
144             }
145         });
146 
147         Mockito.verify(h2StreamListener).onFrameInput(
148                 Mockito.same(streamMultiplexer),
149                 Mockito.eq(1),
150                 Mockito.<RawFrame>any());
151 
152         Mockito.reset(h2StreamListener);
153 
154         Assert.assertThrows(H2ConnectionException.class, new ThrowingRunnable() {
155             @Override
156             public void run() throws Throwable {
157                 int pos = 0;
158                 int remaining = bytes.length;
159                 while (remaining > 0) {
160                     final int chunk = Math.min(2048, remaining);
161                     streamMultiplexer.onInput(ByteBuffer.wrap(bytes, pos, chunk));
162                     pos += chunk;
163                     remaining -= chunk;
164                 }
165             }
166         });
167 
168         Mockito.verify(h2StreamListener).onFrameInput(
169                 Mockito.same(streamMultiplexer),
170                 Mockito.eq(1),
171                 Mockito.<RawFrame>any());
172     }
173 
174     @Test
175     public void testInputMultipleFrames() throws Exception {
176         final WritableByteChannelMockMock.html#WritableByteChannelMock">WritableByteChannelMock writableChannel = new WritableByteChannelMock(1024);
177         final FrameOutputBuffer outbuffer = new FrameOutputBuffer(16 * 1024);
178 
179         final byte[] data = new byte[FrameConsts.MIN_FRAME_SIZE];
180         for (int i = 0; i < FrameConsts.MIN_FRAME_SIZE; i++) {
181             data[i] = (byte) (i % 16);
182         }
183 
184         final RawFrame frame1 = new RawFrame(FrameType.DATA.getValue(), 0, 1, ByteBuffer.wrap(data));
185         outbuffer.write(frame1, writableChannel);
186         final RawFrame frame2 = new RawFrame(FrameType.DATA.getValue(), 0, 1, ByteBuffer.wrap(data));
187         outbuffer.write(frame2, writableChannel);
188         final byte[] bytes = writableChannel.toByteArray();
189 
190         final AbstractH2StreamMultiplexer streamMultiplexer = new H2StreamMultiplexerImpl(
191                 protocolIOSession,
192                 DefaultFrameFactory.INSTANCE,
193                 StreamIdGenerator.ODD,
194                 httpProcessor,
195                 CharCodingConfig.DEFAULT,
196                 H2Config.custom()
197                         .setMaxFrameSize(FrameConsts.MIN_FRAME_SIZE)
198                         .build(),
199                 h2StreamListener);
200 
201         Assert.assertThrows(H2ConnectionException.class, new ThrowingRunnable() {
202             @Override
203             public void run() throws Throwable {
204                 streamMultiplexer.onInput(ByteBuffer.wrap(bytes));
205             }
206         });
207         Mockito.verify(h2StreamListener).onFrameInput(
208                 Mockito.same(streamMultiplexer),
209                 Mockito.eq(1),
210                 Mockito.<RawFrame>any());
211 
212         Mockito.reset(h2StreamListener);
213 
214         Assert.assertThrows(H2ConnectionException.class, new ThrowingRunnable() {
215             @Override
216             public void run() throws Throwable {
217                 int pos = 0;
218                 int remaining = bytes.length;
219                 while (remaining > 0) {
220                     final int chunk = Math.min(4096, remaining);
221                     streamMultiplexer.onInput(ByteBuffer.wrap(bytes, pos, chunk));
222                     pos += chunk;
223                     remaining -= chunk;
224                 }
225             }
226         });
227         Mockito.verify(h2StreamListener).onFrameInput(
228                 Mockito.same(streamMultiplexer),
229                 Mockito.eq(1),
230                 Mockito.<RawFrame>any());
231     }
232 
233 }
234