/*
* ====================================================================
* 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.http.impl.nio.client;
import java.io.IOException;
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.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.nio.conn.PoolingClientConnectionManager;
import org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor;
import org.apache.http.localserver.ServerTestBase;
import org.apache.http.nio.ContentDecoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.client.HttpAsyncClient;
import org.apache.http.nio.conn.scheme.Scheme;
import org.apache.http.nio.conn.scheme.SchemeRegistry;
import org.apache.http.nio.entity.NByteArrayEntity;
import org.apache.http.nio.reactor.ConnectingIOReactor;
import org.apache.http.params.BasicHttpParams;
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 ServerTestBase {
private HttpHost target;
private PoolingClientConnectionManager sessionManager;
private HttpAsyncClient httpclient;
@Before
public void setUp() throws Exception {
super.setUp();
this.localServer.registerDefaultHandlers();
int port = this.localServer.getServiceAddress().getPort();
this.target = new HttpHost("localhost", port);
ConnectingIOReactor ioReactor = new DefaultConnectingIOReactor(2, new BasicHttpParams());
SchemeRegistry schemeRegistry = new SchemeRegistry();
schemeRegistry.register(new Scheme("http", 80, null));
this.sessionManager = new PoolingClientConnectionManager(ioReactor, schemeRegistry);
this.httpclient = new DefaultHttpAsyncClient(ioReactor, this.sessionManager);
}
@After
public void tearDown() throws Exception {
this.httpclient.shutdown();
super.tearDown();
}
@Test
public void testSingleGet() throws Exception {
this.httpclient.start();
HttpGet httpget = new HttpGet("/random/2048");
Future<HttpResponse> future = this.httpclient.execute(this.target, httpget, null);
HttpResponse response = future.get();
Assert.assertNotNull(response);
Assert.assertEquals(200, response.getStatusLine().getStatusCode());
}
@Test
public void testSinglePost() throws Exception {
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
this.httpclient.start();
HttpPost httppost = new HttpPost("/echo/stuff");
httppost.setEntity(new NByteArrayEntity(b1));
Future<HttpResponse> future = this.httpclient.execute(this.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 {
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
int reqCount = 20;
this.sessionManager.setDefaultMaxPerHost(reqCount);
this.sessionManager.setTotalMax(100);
this.httpclient.start();
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(this.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 {
byte[] b1 = new byte[1024];
Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
int reqCount = 20;
this.sessionManager.setDefaultMaxPerHost(1);
this.sessionManager.setTotalMax(100);
this.httpclient.start();
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(this.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 {
this.httpclient.start();
HttpGet httpget = new HttpGet("/random/2048");
BasicHttpAsyncRequestProducer requestProducer = new BasicHttpAsyncRequestProducer(this.target, httpget) ;
BasicHttpAsyncResponseConsumer responseConsumer = new BasicHttpAsyncResponseConsumer() {
@Override
public void consumeContent(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());
}
}
}