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* 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
* .
*
*/
package org.apache.http.nio.integration;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
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.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.concurrent.Cancellable;
import org.apache.http.entity.ContentType;
import org.apache.http.impl.nio.DefaultNHttpClientConnection;
import org.apache.http.impl.nio.DefaultNHttpServerConnection;
import org.apache.http.nio.NHttpConnectionFactory;
import org.apache.http.nio.entity.NStringEntity;
import org.apache.http.nio.protocol.BasicAsyncRequestConsumer;
import org.apache.http.nio.protocol.BasicAsyncRequestHandler;
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.HttpAsyncService;
import org.apache.http.nio.protocol.UriHttpAsyncRequestHandlerMapper;
import org.apache.http.nio.reactor.IOReactorStatus;
import org.apache.http.nio.reactor.ListenerEndpoint;
import org.apache.http.nio.testserver.HttpCoreNIOTestBase;
import org.apache.http.nio.testserver.LoggingClientConnectionFactory;
import org.apache.http.nio.testserver.LoggingServerConnectionFactory;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpProcessor;
import org.apache.http.protocol.HttpRequestHandler;
import org.apache.http.protocol.ImmutableHttpProcessor;
import org.apache.http.protocol.ResponseConnControl;
import org.apache.http.protocol.ResponseContent;
import org.apache.http.protocol.ResponseServer;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Tests for handling pipelined requests.
*/
public class TestPipelining extends HttpCoreNIOTestBase {
protected HttpProcessor serverHttpProc;
@Before
public void setUp() throws Exception {
initServer();
this.serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseServer("TEST-SERVER/1.1"),
new ResponseContent(),
new ResponseConnControl()
});
}
@After
public void tearDown() throws Exception {
shutDownServer();
}
@Override
protected NHttpConnectionFactory createServerConnectionFactory() throws Exception {
return new LoggingServerConnectionFactory();
}
@Override
protected NHttpConnectionFactory createClientConnectionFactory() throws Exception {
return new LoggingClientConnectionFactory();
}
@Test
public void testBasicPipelining() throws Exception {
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("*", new BasicAsyncRequestHandler(new HttpRequestHandler() {
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
final String content = "thank you very much";
final NStringEntity entity = new NStringEntity(content, ContentType.DEFAULT_TEXT);
response.setEntity(entity);
}
}));
final HttpAsyncService serviceHandler = new HttpAsyncService(this.serverHttpProc, registry);
this.server.start(serviceHandler);
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final Socket socket = new Socket("localhost", address.getPort());
try {
final OutputStream outstream = socket.getOutputStream();
final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outstream, "US-ASCII"));
writer.write("GET / HTTP/1.1\r\n");
writer.write("Host: localhost\r\n");
writer.write("\r\n");
writer.write("GET / HTTP/1.1\r\n");
writer.write("Host: localhost\r\n");
writer.write("Connection: close\r\n");
writer.write("\r\n");
writer.flush();
final InputStream instream = socket.getInputStream();
final BufferedReader reader = new BufferedReader(new InputStreamReader(instream, "US-ASCII"));
final StringBuilder buf = new StringBuilder();
final char[] tmp = new char[1024];
int l;
while ((l = reader.read(tmp)) != -1) {
buf.append(tmp, 0, l);
}
reader.close();
writer.close();
// String expected =
// "HTTP/1.1 200 OK\r\n" +
// "Server: TEST-SERVER/1.1\r\n" +
// "Content-Length: 19\r\n" +
// "Content-Type: text/plain; charset=ISO-8859-1\r\n" +
// "\r\n" +
// "thank you very much" +
// "HTTP/1.1 200 OK\r\n" +
// "Server: TEST-SERVER/1.1\r\n" +
// "Content-Length: 19\r\n" +
// "Content-Type: text/plain; charset=ISO-8859-1\r\n" +
// "Connection: close\r\n" +
// "\r\n" +
// "thank you very much";
final String expected =
"HTTP/1.1 400 Bad Request\r\n" +
"Connection: Close\r\n" +
"Server: TEST-SERVER/1.1\r\n" +
"Content-Length: 70\r\n" +
"Content-Type: text/plain; charset=ISO-8859-1\r\n" +
"\r\n" +
"Out of sequence request message detected (pipelining is not supported)";
Assert.assertEquals(expected, buf.toString());
} finally {
socket.close();
}
}
@Test
public void testPipeliningWithCancellable() throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
final Cancellable cancellable = new Cancellable() {
public boolean cancel() {
latch.countDown();
return true;
}
};
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("/long", new HttpAsyncRequestHandler() {
public HttpAsyncRequestConsumer processRequest(final HttpRequest request,
final HttpContext context) {
return new BasicAsyncRequestConsumer();
}
public void handle(
final HttpRequest request,
final HttpAsyncExchange httpexchange,
final HttpContext context) throws HttpException, IOException {
httpexchange.setCallback(cancellable);
// do not submit a response;
}
});
registry.register("/short", new BasicAsyncRequestHandler(new HttpRequestHandler() {
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
final String content = "thank you very much";
final NStringEntity entity = new NStringEntity(content, ContentType.DEFAULT_TEXT);
response.setEntity(entity);
}
}));
final HttpAsyncService serviceHandler = new HttpAsyncService(this.serverHttpProc, registry);
this.server.start(serviceHandler);
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final Socket socket = new Socket("localhost", address.getPort());
try {
final OutputStream outstream = socket.getOutputStream();
final 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.write("GET /short HTTP/1.1\r\n");
writer.write("Host: localhost\r\n");
writer.write("Connection: close\r\n");
writer.write("\r\n");
writer.flush();
final InputStream instream = socket.getInputStream();
final BufferedReader reader = new BufferedReader(new InputStreamReader(instream, "US-ASCII"));
final StringBuilder buf = new StringBuilder();
final char[] tmp = new char[1024];
int l;
while ((l = reader.read(tmp)) != -1) {
buf.append(tmp, 0, l);
}
reader.close();
writer.close();
final String expected =
"HTTP/1.1 400 Bad Request\r\n" +
"Connection: Close\r\n" +
"Server: TEST-SERVER/1.1\r\n" +
"Content-Length: 70\r\n" +
"Content-Type: text/plain; charset=ISO-8859-1\r\n" +
"\r\n" +
"Out of sequence request message detected (pipelining is not supported)";
Assert.assertEquals(expected, buf.toString());
} finally {
socket.close();
}
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
}