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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
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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
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25   *
26   */
27  package org.apache.hc.client5.testing.async;
28  
29  import static org.hamcrest.MatcherAssert.assertThat;
30  
31  import java.util.Random;
32  import java.util.concurrent.Executors;
33  import java.util.concurrent.Future;
34  import java.util.concurrent.ScheduledExecutorService;
35  import java.util.concurrent.TimeUnit;
36  import java.util.concurrent.TimeoutException;
37  
38  import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
39  import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
40  import org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient;
41  import org.apache.hc.client5.http.impl.async.HttpAsyncClients;
42  import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager;
43  import org.apache.hc.core5.http.HeaderElements;
44  import org.apache.hc.core5.http.HttpHeaders;
45  import org.apache.hc.core5.http.HttpHost;
46  import org.apache.hc.core5.http.URIScheme;
47  import org.apache.hc.core5.http.config.Http1Config;
48  import org.apache.hc.core5.testing.nio.H2TestServer;
49  import org.hamcrest.CoreMatchers;
50  import org.junit.jupiter.api.Test;
51  import org.junit.jupiter.params.ParameterizedTest;
52  import org.junit.jupiter.params.provider.ValueSource;
53  
54  public abstract class TestHttp1Async extends AbstractHttpAsyncFundamentalsTest<CloseableHttpAsyncClient> {
55  
56      public TestHttp1Async(final URIScheme scheme) {
57          super(scheme);
58      }
59  
60      @Override
61      protected H2TestServer startServer() throws Exception {
62          return startServer(Http1Config.DEFAULT, null, null);
63      }
64  
65      @Override
66      protected CloseableHttpAsyncClient startClient() throws Exception {
67          return startClient(b -> {});
68      }
69  
70      @ParameterizedTest(name = "{displayName}; concurrent connections: {0}")
71      @ValueSource(ints = {5, 1, 20})
72      public void testSequentialGetRequestsCloseConnection(final int concurrentConns) throws Exception {
73          final H2TestServer server = startServer();
74          server.register("/random/*", AsyncRandomHandler::new);
75          final HttpHost target = targetHost();
76  
77          final CloseableHttpAsyncClient client = startClient();
78          final PoolingAsyncClientConnectionManager connManager = connManager();
79          connManager.setDefaultMaxPerRoute(concurrentConns);
80          connManager.setMaxTotal(100);
81          for (int i = 0; i < 3; i++) {
82              final Future<SimpleHttpResponse> future = client.execute(
83                      SimpleRequestBuilder.get()
84                              .setHttpHost(target)
85                              .setPath("/random/2048")
86                              .addHeader(HttpHeaders.CONNECTION, HeaderElements.CLOSE)
87                              .build(), null);
88              final SimpleHttpResponse response = future.get();
89              assertThat(response, CoreMatchers.notNullValue());
90              assertThat(response.getCode(), CoreMatchers.equalTo(200));
91              final String body = response.getBodyText();
92              assertThat(body, CoreMatchers.notNullValue());
93              assertThat(body.length(), CoreMatchers.equalTo(2048));
94          }
95      }
96  
97      @Test
98      public void testSharedPool() throws Exception {
99          final H2TestServer server = startServer();
100         server.register("/random/*", AsyncRandomHandler::new);
101         final HttpHost target = targetHost();
102 
103         final CloseableHttpAsyncClient client = startClient();
104         final PoolingAsyncClientConnectionManager connManager = connManager();
105         final Future<SimpleHttpResponse> future1 = client.execute(
106                 SimpleRequestBuilder.get()
107                         .setHttpHost(target)
108                         .setPath("/random/2048")
109                         .build(), null);
110         final SimpleHttpResponse response1 = future1.get();
111         assertThat(response1, CoreMatchers.notNullValue());
112         assertThat(response1.getCode(), CoreMatchers.equalTo(200));
113         final String body1 = response1.getBodyText();
114         assertThat(body1, CoreMatchers.notNullValue());
115         assertThat(body1.length(), CoreMatchers.equalTo(2048));
116 
117 
118         try (final CloseableHttpAsyncClient httpclient2 = HttpAsyncClients.custom()
119                 .setConnectionManager(connManager)
120                 .setConnectionManagerShared(true)
121                 .build()) {
122             httpclient2.start();
123             final Future<SimpleHttpResponse> future2 = httpclient2.execute(
124                     SimpleRequestBuilder.get()
125                             .setHttpHost(target)
126                             .setPath("/random/2048")
127                             .build(), null);
128             final SimpleHttpResponse response2 = future2.get();
129             assertThat(response2, CoreMatchers.notNullValue());
130             assertThat(response2.getCode(), CoreMatchers.equalTo(200));
131             final String body2 = response2.getBodyText();
132             assertThat(body2, CoreMatchers.notNullValue());
133             assertThat(body2.length(), CoreMatchers.equalTo(2048));
134         }
135 
136         final Future<SimpleHttpResponse> future3 = client.execute(
137                 SimpleRequestBuilder.get()
138                         .setHttpHost(target)
139                         .setPath("/random/2048")
140                         .build(), null);
141         final SimpleHttpResponse response3 = future3.get();
142         assertThat(response3, CoreMatchers.notNullValue());
143         assertThat(response3.getCode(), CoreMatchers.equalTo(200));
144         final String body3 = response3.getBodyText();
145         assertThat(body3, CoreMatchers.notNullValue());
146         assertThat(body3.length(), CoreMatchers.equalTo(2048));
147     }
148 
149     @Test
150     public void testRequestCancellation() throws Exception {
151         final H2TestServer server = startServer();
152         server.register("/random/*", AsyncRandomHandler::new);
153         final HttpHost target = targetHost();
154 
155         final CloseableHttpAsyncClient client = startClient();
156         final PoolingAsyncClientConnectionManager connManager = connManager();
157         connManager.setDefaultMaxPerRoute(1);
158         connManager.setMaxTotal(1);
159 
160         final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
161         try {
162 
163             for (int i = 0; i < 20; i++) {
164                 final Future<SimpleHttpResponse> future = client.execute(
165                         SimpleRequestBuilder.get()
166                                 .setHttpHost(target)
167                                 .setPath("/random/1000")
168                                 .build(), null);
169 
170                 executorService.schedule(new Runnable() {
171 
172                     @Override
173                     public void run() {
174                         future.cancel(true);
175                     }
176                 }, i % 5, TimeUnit.MILLISECONDS);
177 
178                 try {
179                     future.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
180                 } catch (final TimeoutException ex) {
181                     throw ex;
182                 } catch (final Exception ignore) {
183                 }
184             }
185 
186             final Random rnd = new Random();
187             for (int i = 0; i < 20; i++) {
188                 final Future<SimpleHttpResponse> future = client.execute(
189                         SimpleRequestBuilder.get()
190                                 .setHttpHost(target)
191                                 .setPath("/random/1000")
192                                 .build(), null);
193 
194                 executorService.schedule(new Runnable() {
195 
196                     @Override
197                     public void run() {
198                         future.cancel(true);
199                     }
200                 }, rnd.nextInt(200), TimeUnit.MILLISECONDS);
201 
202                 try {
203                     future.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
204                 } catch (final TimeoutException ex) {
205                     throw ex;
206                 } catch (final Exception ignore) {
207                 }
208             }
209 
210             for (int i = 0; i < 5; i++) {
211                 final Future<SimpleHttpResponse> future = client.execute(
212                         SimpleRequestBuilder.get()
213                                 .setHttpHost(target)
214                                 .setPath("/random/1000")
215                                 .build(), null);
216                 final SimpleHttpResponse response = future.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
217                 assertThat(response, CoreMatchers.notNullValue());
218                 assertThat(response.getCode(), CoreMatchers.equalTo(200));
219             }
220 
221         } finally {
222             executorService.shutdownNow();
223         }
224     }
225 
226 }