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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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*
* This software consists of voluntary contributions made by many
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package org.apache.http.impl.nio.client;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Random;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.apache.http.HttpAsyncTestBase;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.DefaultNHttpServerConnection;
import org.apache.http.impl.nio.DefaultNHttpServerConnectionFactory;
import org.apache.http.localserver.EchoHandler;
import org.apache.http.localserver.RandomHandler;
import org.apache.http.nio.ContentDecoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.NHttpConnectionFactory;
import org.apache.http.nio.client.methods.HttpAsyncMethods;
import org.apache.http.nio.entity.NByteArrayEntity;
import org.apache.http.nio.protocol.BasicAsyncRequestHandler;
import org.apache.http.nio.protocol.BasicAsyncResponseConsumer;
import org.apache.http.nio.protocol.HttpAsyncExpectationVerifier;
import org.apache.http.nio.protocol.HttpAsyncRequestHandlerRegistry;
import org.apache.http.nio.protocol.HttpAsyncRequestHandlerResolver;
import org.apache.http.nio.protocol.HttpAsyncRequestProducer;
import org.apache.http.nio.protocol.HttpAsyncService;
import org.apache.http.nio.reactor.IOReactorStatus;
import org.apache.http.nio.reactor.ListenerEndpoint;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestHttpAsync extends HttpAsyncTestBase {
@Before
public void setUp() throws Exception {
initServer();
initClient();
}
@After
public void tearDown() throws Exception {
shutDownClient();
shutDownServer();
}
@Override
protected NHttpConnectionFactory<DefaultNHttpServerConnection> createServerConnectionFactory(
final HttpParams params) throws Exception {
return new DefaultNHttpServerConnectionFactory(params);
}
@Override
protected String getSchemeName() {
return "http";
}
private HttpHost start(
final HttpAsyncRequestHandlerResolver requestHandlerResolver,
final HttpAsyncExpectationVerifier expectationVerifier) throws Exception {
HttpAsyncService serviceHandler = new HttpAsyncService(
this.serverHttpProc,
new DefaultConnectionReuseStrategy(),
new DefaultHttpResponseFactory(),
requestHandlerResolver,
expectationVerifier,
this.serverParams);
this.server.start(serviceHandler);
this.httpclient.start();
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
HttpHost target = new HttpHost("localhost", address.getPort(), getSchemeName());
return target;
}
private HttpHost start() throws Exception {
HttpAsyncRequestHandlerRegistry registry = new HttpAsyncRequestHandlerRegistry();
registry.register("/echo/*", new BasicAsyncRequestHandler(new EchoHandler()));
registry.register("/random/*", new BasicAsyncRequestHandler(new RandomHandler()));
return start(registry, null);
}
@Test
public void testSingleGet() throws Exception {
HttpHost target = start();
HttpGet httpget = new HttpGet("/random/2048");
Future<HttpResponse> future = this.httpclient.execute(target, httpget, null);
HttpResponse response = future.get();
Assert.assertNotNull(response);
Assert.assertEquals(200, response.getStatusLine().getStatusCode());
}
@Test
public void testSinglePost() throws Exception {
HttpHost target = start();
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
HttpPost httppost = new HttpPost("/echo/stuff");
httppost.setEntity(new NByteArrayEntity(b1));
Future<HttpResponse> future = this.httpclient.execute(target, httppost, null);
HttpResponse response = future.get();
Assert.assertNotNull(response);
Assert.assertEquals(200, response.getStatusLine().getStatusCode());
HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
byte[] b2 = EntityUtils.toByteArray(entity);
Assert.assertArrayEquals(b1, b2);
}
@Test
public void testMultiplePostsOverMultipleConnections() throws Exception {
HttpHost target = start();
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
int reqCount = 20;
this.connMgr.setDefaultMaxPerRoute(reqCount);
this.connMgr.setMaxTotal(100);
Queue<Future<HttpResponse>> queue = new LinkedList<Future<HttpResponse>>();
for (int i = 0; i < reqCount; i++) {
HttpPost httppost = new HttpPost("/echo/stuff");
httppost.setEntity(new NByteArrayEntity(b1));
queue.add(this.httpclient.execute(target, httppost, null));
}
while (!queue.isEmpty()) {
Future<HttpResponse> future = queue.remove();
HttpResponse response = future.get();
Assert.assertNotNull(response);
Assert.assertEquals(200, response.getStatusLine().getStatusCode());
HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
byte[] b2 = EntityUtils.toByteArray(entity);
Assert.assertArrayEquals(b1, b2);
}
}
@Test
public void testMultiplePostsOverSingleConnection() throws Exception {
HttpHost target = start();
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
int reqCount = 20;
this.connMgr.setDefaultMaxPerRoute(1);
this.connMgr.setMaxTotal(100);
Queue<Future<HttpResponse>> queue = new LinkedList<Future<HttpResponse>>();
for (int i = 0; i < reqCount; i++) {
HttpPost httppost = new HttpPost("/echo/stuff");
httppost.setEntity(new NByteArrayEntity(b1));
queue.add(this.httpclient.execute(target, httppost, null));
}
while (!queue.isEmpty()) {
Future<HttpResponse> future = queue.remove();
HttpResponse response = future.get();
Assert.assertNotNull(response);
Assert.assertEquals(200, response.getStatusLine().getStatusCode());
HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
byte[] b2 = EntityUtils.toByteArray(entity);
Assert.assertArrayEquals(b1, b2);
}
}
@Test
public void testRequestFailure() throws Exception {
HttpHost target = start();
HttpGet httpget = new HttpGet("/random/2048");
HttpAsyncRequestProducer requestProducer = HttpAsyncMethods.create(target, httpget) ;
BasicAsyncResponseConsumer responseConsumer = new BasicAsyncResponseConsumer() {
@Override
public void onContentReceived(final ContentDecoder decoder, final IOControl ioctrl)
throws IOException {
throw new IOException("Kaboom");
}
};
Future<HttpResponse> future = this.httpclient.execute(requestProducer, responseConsumer, null);
try {
future.get();
Assert.fail("ExecutionException expected");
} catch (ExecutionException ex) {
Throwable t = ex.getCause();
Assert.assertNotNull(t);
Assert.assertTrue(t instanceof IOException);
Assert.assertEquals("Kaboom", t.getMessage());
}
}
}