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* Licensed to the Apache Software Foundation (ASF) under one
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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
* 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/>.
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package org.apache.http.nio.integration;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.http.HttpCoreNIOTestBase;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.LoggingClientConnectionFactory;
import org.apache.http.LoggingServerConnectionFactory;
import org.apache.http.concurrent.Cancellable;
import org.apache.http.entity.BasicHttpEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.DefaultNHttpClientConnection;
import org.apache.http.impl.nio.DefaultNHttpServerConnection;
import org.apache.http.message.BasicHttpResponse;
import org.apache.http.nio.ContentEncoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.NHttpConnectionFactory;
import org.apache.http.nio.protocol.BasicAsyncRequestConsumer;
import org.apache.http.nio.protocol.HttpAsyncExchange;
import org.apache.http.nio.protocol.HttpAsyncRequestConsumer;
import org.apache.http.nio.protocol.HttpAsyncRequestHandler;
import org.apache.http.nio.protocol.HttpAsyncRequestHandlerRegistry;
import org.apache.http.nio.protocol.HttpAsyncResponseProducer;
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.protocol.HttpContext;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestHttpAsyncHandlerCancellable extends HttpCoreNIOTestBase {
@Before
public void setUp() throws Exception {
initServer();
}
@After
public void tearDown() throws Exception {
shutDownServer();
}
@Override
protected NHttpConnectionFactory<DefaultNHttpServerConnection> createServerConnectionFactory(
final HttpParams params) throws Exception {
return new LoggingServerConnectionFactory(params);
}
@Override
protected NHttpConnectionFactory<DefaultNHttpClientConnection> createClientConnectionFactory(
final HttpParams params) throws Exception {
return new LoggingClientConnectionFactory(params);
}
@Test
public void testResponsePrematureTermination() throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
final HttpAsyncResponseProducer responseProducer = new HttpAsyncResponseProducer() {
public HttpResponse generateResponse() {
HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
BasicHttpEntity entity = new BasicHttpEntity();
entity.setContentType(ContentType.DEFAULT_BINARY.toString());
entity.setChunked(true);
response.setEntity(entity);
return response;
}
public void close() throws IOException {
latch.countDown();
}
public void responseCompleted(final HttpContext context) {
}
public void produceContent(
final ContentEncoder encoder, final IOControl ioctrl) throws IOException {
// suspend output
ioctrl.suspendOutput();
}
public void failed(final Exception ex) {
}
};
HttpAsyncRequestHandlerRegistry registry = new HttpAsyncRequestHandlerRegistry();
registry.register("*", new HttpAsyncRequestHandler<HttpRequest>() {
public HttpAsyncRequestConsumer<HttpRequest> processRequest(
final HttpRequest request,
final HttpContext context) throws HttpException, IOException {
return new BasicAsyncRequestConsumer();
}
public void handle(
final HttpRequest data,
final HttpAsyncExchange httpExchange,
final HttpContext context)
throws HttpException, IOException {
httpExchange.submitResponse(responseProducer);
}
});
HttpAsyncService serviceHandler = new HttpAsyncService(
this.serverHttpProc,
new DefaultConnectionReuseStrategy(),
new DefaultHttpResponseFactory(),
registry,
null,
this.serverParams);
this.server.start(serviceHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
Socket socket = new Socket("localhost", address.getPort());
try {
OutputStream outstream = socket.getOutputStream();
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outstream, "US-ASCII"));
writer.write("GET /long HTTP/1.1\r\n");
writer.write("Host: localhost\r\n");
writer.write("\r\n");
writer.flush();
Thread.sleep(250);
writer.close();
} finally {
socket.close();
}
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@Test
public void testRequestCancelled() throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
final Cancellable cancellable = new Cancellable() {
public boolean cancel() {
latch.countDown();
return true;
}
};
HttpAsyncRequestHandlerRegistry registry = new HttpAsyncRequestHandlerRegistry();
registry.register("*", new HttpAsyncRequestHandler<HttpRequest>() {
public HttpAsyncRequestConsumer<HttpRequest> processRequest(
final HttpRequest request,
final HttpContext context) throws HttpException, IOException {
return new BasicAsyncRequestConsumer();
}
public void handle(
final HttpRequest data,
final HttpAsyncExchange httpExchange,
final HttpContext context)
throws HttpException, IOException {
httpExchange.setCallback(cancellable);
// do not submit a response;
}
});
HttpAsyncService serviceHandler = new HttpAsyncService(
this.serverHttpProc,
new DefaultConnectionReuseStrategy(),
new DefaultHttpResponseFactory(),
registry,
null,
this.serverParams);
this.server.start(serviceHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
Socket socket = new Socket("localhost", address.getPort());
try {
OutputStream outstream = socket.getOutputStream();
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outstream, "US-ASCII"));
writer.write("GET /long HTTP/1.1\r\n");
writer.write("Host: localhost\r\n");
writer.write("\r\n");
writer.flush();
Thread.sleep(250);
writer.close();
} finally {
socket.close();
}
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
}