/*
* ====================================================================
* 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.nio.protocol;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.UnsupportedEncodingException;
import java.net.InetSocketAddress;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.http.HttpCoreNIOTestBase;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.message.BasicHttpEntityEnclosingRequest;
import org.apache.http.message.BasicHttpRequest;
import org.apache.http.mockup.SimpleEventListener;
import org.apache.http.mockup.SimpleHttpRequestHandlerResolver;
import org.apache.http.nio.entity.NByteArrayEntity;
import org.apache.http.nio.entity.NStringEntity;
import org.apache.http.nio.reactor.IOReactorStatus;
import org.apache.http.nio.reactor.ListenerEndpoint;
import org.apache.http.nio.reactor.SessionRequest;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpExpectationVerifier;
import org.apache.http.protocol.HttpProcessor;
import org.apache.http.protocol.HttpRequestHandler;
import org.apache.http.protocol.ImmutableHttpProcessor;
import org.apache.http.protocol.RequestConnControl;
import org.apache.http.protocol.RequestContent;
import org.apache.http.protocol.RequestExpectContinue;
import org.apache.http.protocol.RequestTargetHost;
import org.apache.http.protocol.RequestUserAgent;
import org.apache.http.protocol.ResponseConnControl;
import org.apache.http.protocol.ResponseContent;
import org.apache.http.protocol.ResponseDate;
import org.apache.http.protocol.ResponseServer;
import org.apache.http.util.EncodingUtils;
import org.apache.http.util.EntityUtils;
/**
* HttpCore NIO integration tests using throttling versions of the
* protocol handlers.
*/
public class TestThrottlingNHttpHandlers extends HttpCoreNIOTestBase {
// ------------------------------------------------------------ Constructor
public TestThrottlingNHttpHandlers(String testName) {
super(testName);
}
// ------------------------------------------------------------------- Main
public static void main(String args[]) {
String[] testCaseName = { TestThrottlingNHttpHandlers.class.getName() };
junit.textui.TestRunner.main(testCaseName);
}
// ------------------------------------------------------- TestCase Methods
public static Test suite() {
return new TestSuite(TestThrottlingNHttpHandlers.class);
}
private ExecutorService execService;
@Override
protected void setUp() throws Exception {
super.setUp();
this.execService = Executors.newCachedThreadPool();
}
@Override
protected void tearDown() {
super.tearDown();
this.execService.shutdownNow();
}
private void executeStandardTest(
final HttpRequestHandler requestHandler,
final HttpRequestExecutionHandler requestExecutionHandler) throws Exception {
int connNo = 3;
int reqNo = 20;
TestJob[] jobs = new TestJob[connNo * reqNo];
for (int i = 0; i < jobs.length; i++) {
jobs[i] = new TestJob();
}
Queue<TestJob> queue = new ConcurrentLinkedQueue<TestJob>();
for (int i = 0; i < jobs.length; i++) {
queue.add(jobs[i]);
}
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
this.execService,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(requestHandler));
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(
new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
Queue<SessionRequest> connRequests = new LinkedList<SessionRequest>();
for (int i = 0; i < connNo; i++) {
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
queue);
connRequests.add(sessionRequest);
}
while (!connRequests.isEmpty()) {
SessionRequest sessionRequest = connRequests.remove();
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
}
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
for (int i = 0; i < jobs.length; i++) {
TestJob testjob = jobs[i];
testjob.waitFor();
if (testjob.isSuccessful()) {
assertEquals(HttpStatus.SC_OK, testjob.getStatusCode());
assertEquals(testjob.getExpected(), testjob.getResult());
} else {
fail(testjob.getFailureMessage());
}
}
}
/**
* This test case executes a series of simple (non-pipelined) GET requests
* over multiple connections.
*/
public void testSimpleHttpGets() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
return new BasicHttpRequest("GET", s);
}
};
executeStandardTest(new TestRequestHandler(), requestExecutionHandler);
}
/**
* This test case executes a series of simple (non-pipelined) POST requests
* with content length delimited content over multiple connections.
*/
public void testSimpleHttpPostsWithContentLength() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
entity.setChunked(false);
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
return r;
}
};
executeStandardTest(new TestRequestHandler(), requestExecutionHandler);
}
/**
* This test case executes a series of simple (non-pipelined) POST requests
* with chunk coded content content over multiple connections.
*/
public void testSimpleHttpPostsChunked() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
entity.setChunked(true);
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
return r;
}
};
executeStandardTest(new TestRequestHandler(), requestExecutionHandler);
}
/**
* This test ensures that an Executor instance
* (under the control of a ThrottlingHttpServiceHandler)
* terminates when a connection timeout occurs.
*/
public void testExecutorTermination() throws Exception {
final int SHORT_TIMEOUT = 100;
final int DEFAULT_SERVER_SO_TIMEOUT = 60000;
this.server.getParams().setIntParameter(
CoreConnectionPNames.SO_TIMEOUT, SHORT_TIMEOUT);
// main expectation: the executor spawned by the service must finish.
final String COMMAND_FINISHED = "CommandFinished";
final Map<String, Boolean> serverExpectations = Collections.synchronizedMap(
new HashMap<String, Boolean>());
serverExpectations.put(COMMAND_FINISHED, Boolean.FALSE);
// secondary expectation: not strictly necessary, the test will wait for the
// client to finalize the request
final String CLIENT_FINALIZED = "ClientFinalized";
final Map<String, Boolean> clientExpectations = Collections.synchronizedMap(
new HashMap<String, Boolean>());
clientExpectations.put(CLIENT_FINALIZED, Boolean.FALSE);
// runs the command on a separate thread and updates the server expectation
Executor executor = new Executor() {
public void execute(final Runnable command) {
new Thread() {
@Override
public void run() {
command.run();
synchronized (serverExpectations) {
serverExpectations.put(COMMAND_FINISHED, Boolean.TRUE);
serverExpectations.notify();
}
}
}.start();
}
};
HttpRequestHandler requestHandler = new HttpRequestHandler() {
public void handle(
HttpRequest request,
HttpResponse response,
HttpContext context) {
try {
((HttpEntityEnclosingRequest) request).getEntity().getContent().read();
response.setStatusCode(HttpStatus.SC_OK);
} catch (Exception e){
}
}
};
// convoluted client-side entity content. The byte expected by the HttpRequest will not
// be written.
final PipedOutputStream pipe = new PipedOutputStream();
final PipedInputStream producer = new PipedInputStream(pipe);
pipe.close();
// A POST request enclosing an entity with (supposedly) a content length of 1 byte.
// the connection will be closed at the end of the request.
HttpRequestExecutionHandler requestExecutionHandler = new HttpRequestExecutionHandler() {
public void initalizeContext(final HttpContext context, final Object attachment) {
}
public void finalizeContext(HttpContext context) {
synchronized (clientExpectations) {
clientExpectations.put(CLIENT_FINALIZED, Boolean.TRUE);
clientExpectations.notifyAll();
}
}
public HttpRequest submitRequest( HttpContext context ) {
HttpEntityEnclosingRequest post = new BasicHttpEntityEnclosingRequest("POST", "/");
post.setHeader( "Connection", "Close" );
post.setEntity(new InputStreamEntity(producer, 1));
return post;
}
public void handleResponse(final HttpResponse response, final HttpContext context) {
}
};
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
executor,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(requestHandler));
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(
new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
null);
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
// wait for the client to invoke finalizeContext().
synchronized (clientExpectations) {
if (!clientExpectations.get(CLIENT_FINALIZED).booleanValue()) {
clientExpectations.wait(DEFAULT_SERVER_SO_TIMEOUT);
assertTrue(clientExpectations.get(CLIENT_FINALIZED).booleanValue());
}
}
// wait for server to finish the command within a reasonable amount of time.
// the time constraint is not necessary, it only prevents the test from hanging.
synchronized (serverExpectations) {
if (!serverExpectations.get(COMMAND_FINISHED).booleanValue()) {
serverExpectations.wait(SHORT_TIMEOUT);
assertTrue(serverExpectations.get(COMMAND_FINISHED).booleanValue());
}
}
this.execService.shutdown();
this.execService.awaitTermination(10, TimeUnit.SECONDS);
}
/**
* This test case executes a series of simple (non-pipelined) HTTP/1.0
* POST requests over multiple persistent connections.
*/
public void testSimpleHttpPostsHTTP10() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s,
HttpVersion.HTTP_1_0);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
return r;
}
};
executeStandardTest(new TestRequestHandler(), requestExecutionHandler);
}
/**
* This test case executes a series of simple (non-pipelined) POST requests
* over multiple connections using the 'expect: continue' handshake.
*/
public void testHttpPostsWithExpectContinue() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
r.getParams().setBooleanParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, true);
return r;
}
};
executeStandardTest(new TestRequestHandler(), requestExecutionHandler);
}
/**
* This test case executes a series of simple (non-pipelined) POST requests
* over multiple connections that do not meet the target server expectations.
*/
public void testHttpPostsWithExpectationVerification() throws Exception {
TestJob[] jobs = new TestJob[3];
jobs[0] = new TestJob("AAAAA", 10);
jobs[1] = new TestJob("AAAAA", 10);
jobs[2] = new TestJob("BBBBB", 20);
Queue<TestJob> queue = new ConcurrentLinkedQueue<TestJob>();
for (int i = 0; i < jobs.length; i++) {
queue.add(jobs[i]);
}
HttpExpectationVerifier expectationVerifier = new HttpExpectationVerifier() {
public void verify(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException {
String s = request.getRequestLine().getUri();
if (!s.equals("AAAAAx10")) {
response.setStatusCode(HttpStatus.SC_EXPECTATION_FAILED);
NByteArrayEntity outgoing = new NByteArrayEntity(
EncodingUtils.getAsciiBytes("Expectation failed"));
response.setEntity(outgoing);
}
}
};
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
r.getParams().setBooleanParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, true);
return r;
}
};
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
this.execService,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(new TestRequestHandler()));
serviceHandler.setExpectationVerifier(
expectationVerifier);
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(
new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
queue);
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
for (int i = 0; i < 2; i++) {
TestJob testjob = jobs[i];
testjob.waitFor();
if (testjob.isSuccessful()) {
assertEquals(testjob.getExpected(), testjob.getResult());
} else {
fail(testjob.getFailureMessage());
}
}
TestJob failedExpectation = jobs[2];
failedExpectation.waitFor();
assertEquals(HttpStatus.SC_EXPECTATION_FAILED, failedExpectation.getStatusCode());
}
/**
* This test case executes a series of simple (non-pipelined) HEAD requests
* over multiple connections.
*/
public void testSimpleHttpHeads() throws Exception {
int connNo = 3;
int reqNo = 20;
TestJob[] jobs = new TestJob[connNo * reqNo];
for (int i = 0; i < jobs.length; i++) {
jobs[i] = new TestJob();
}
Queue<TestJob> queue = new ConcurrentLinkedQueue<TestJob>();
for (int i = 0; i < jobs.length; i++) {
queue.add(jobs[i]);
}
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
return new BasicHttpRequest("HEAD", s);
}
};
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
this.execService,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(new TestRequestHandler()));
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
Queue<SessionRequest> connRequests = new LinkedList<SessionRequest>();
for (int i = 0; i < connNo; i++) {
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
queue);
connRequests.add(sessionRequest);
}
while (!connRequests.isEmpty()) {
SessionRequest sessionRequest = connRequests.remove();
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
}
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
for (int i = 0; i < jobs.length; i++) {
TestJob testjob = jobs[i];
testjob.waitFor();
if (testjob.getFailureMessage() != null) {
fail(testjob.getFailureMessage());
}
assertEquals(HttpStatus.SC_OK, testjob.getStatusCode());
assertNull(testjob.getResult());
}
}
/**
* This test case tests if the protocol handler can correctly deal
* with requests with partially consumed content.
*/
public void testSimpleHttpPostsContentNotConsumed() throws Exception {
HttpRequestHandler requestHandler = new HttpRequestHandler() {
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
// Request content body has not been consumed!!!
response.setStatusCode(HttpStatus.SC_INTERNAL_SERVER_ERROR);
NStringEntity outgoing = new NStringEntity("Ooopsie");
response.setEntity(outgoing);
}
};
HttpRequestExecutionHandler requestExecutionHandler = new TestRequestExecutionHandler() {
@Override
protected HttpRequest generateRequest(TestJob testjob) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
NStringEntity entity = null;
try {
entity = new NStringEntity(testjob.getExpected(), "US-ASCII");
entity.setChunked(testjob.getCount() % 2 == 0);
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
return r;
}
};
int connNo = 3;
int reqNo = 20;
TestJob[] jobs = new TestJob[connNo * reqNo];
for (int i = 0; i < jobs.length; i++) {
jobs[i] = new TestJob();
}
Queue<TestJob> queue = new ConcurrentLinkedQueue<TestJob>();
for (int i = 0; i < jobs.length; i++) {
queue.add(jobs[i]);
}
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
this.execService,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(requestHandler));
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(
new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
Queue<SessionRequest> connRequests = new LinkedList<SessionRequest>();
for (int i = 0; i < connNo; i++) {
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
queue);
connRequests.add(sessionRequest);
}
while (!connRequests.isEmpty()) {
SessionRequest sessionRequest = connRequests.remove();
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
}
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
for (int i = 0; i < jobs.length; i++) {
TestJob testjob = jobs[i];
testjob.waitFor();
if (testjob.isSuccessful()) {
assertEquals(HttpStatus.SC_INTERNAL_SERVER_ERROR, testjob.getStatusCode());
assertEquals("Ooopsie", testjob.getResult());
} else {
fail(testjob.getFailureMessage());
}
}
}
public void testInputThrottling() throws Exception {
HttpRequestExecutionHandler requestExecutionHandler = new HttpRequestExecutionHandler() {
public void initalizeContext(final HttpContext context, final Object attachment) {
context.setAttribute("queue", attachment);
}
public HttpRequest submitRequest(final HttpContext context) {
@SuppressWarnings("unchecked")
Queue<TestJob> queue = (Queue<TestJob>) context.getAttribute("queue");
if (queue == null) {
throw new IllegalStateException("Queue is null");
}
TestJob testjob = queue.poll();
context.setAttribute("job", testjob);
if (testjob != null) {
String s = testjob.getPattern() + "x" + testjob.getCount();
HttpEntityEnclosingRequest r = new BasicHttpEntityEnclosingRequest("POST", s);
StringEntity entity = null;
try {
entity = new StringEntity(testjob.getExpected(), "US-ASCII");
entity.setChunked(testjob.getCount() % 2 == 0);
} catch (UnsupportedEncodingException ignore) {
}
r.setEntity(entity);
return r;
} else {
return null;
}
}
public void handleResponse(final HttpResponse response, final HttpContext context) {
TestJob testjob = (TestJob) context.removeAttribute("job");
if (testjob == null) {
throw new IllegalStateException("TestJob is null");
}
int statusCode = response.getStatusLine().getStatusCode();
String content = null;
HttpEntity entity = response.getEntity();
if (entity != null) {
try {
// Simulate slow response handling in order to cause the
// internal content buffer to fill up, forcing the
// protocol handler to throttle input rate
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
InputStream instream = entity.getContent();
byte[] tmp = new byte[2048];
int l;
while((l = instream.read(tmp)) != -1) {
Thread.sleep(1);
outstream.write(tmp, 0, l);
}
content = new String(outstream.toByteArray(),
EntityUtils.getContentCharSet(entity));
} catch (InterruptedException ex) {
content = "Interrupted: " + ex.getMessage();
} catch (IOException ex) {
content = "I/O exception: " + ex.getMessage();
}
}
testjob.setResult(statusCode, content);
}
public void finalizeContext(final HttpContext context) {
TestJob testjob = (TestJob) context.removeAttribute("job");
if (testjob != null) {
testjob.fail("Request failed");
}
}
};
int connNo = 3;
int reqNo = 20;
TestJob[] jobs = new TestJob[connNo * reqNo];
for (int i = 0; i < jobs.length; i++) {
jobs[i] = new TestJob(10000);
}
Queue<TestJob> queue = new ConcurrentLinkedQueue<TestJob>();
for (int i = 0; i < jobs.length; i++) {
queue.add(jobs[i]);
}
HttpProcessor serverHttpProc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
ThrottlingHttpServiceHandler serviceHandler = new ThrottlingHttpServiceHandler(
serverHttpProc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
this.execService,
this.server.getParams());
serviceHandler.setHandlerResolver(
new SimpleHttpRequestHandlerResolver(new TestRequestHandler()));
serviceHandler.setEventListener(
new SimpleEventListener());
HttpProcessor clientHttpProc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
new RequestContent(),
new RequestTargetHost(),
new RequestConnControl(),
new RequestUserAgent(),
new RequestExpectContinue()});
ThrottlingHttpClientHandler clientHandler = new ThrottlingHttpClientHandler(
clientHttpProc,
requestExecutionHandler,
new DefaultConnectionReuseStrategy(),
this.execService,
this.client.getParams());
clientHandler.setEventListener(
new SimpleEventListener());
this.server.start(serviceHandler);
this.client.start(clientHandler);
ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
InetSocketAddress serverAddress = (InetSocketAddress) endpoint.getAddress();
assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
Queue<SessionRequest> connRequests = new LinkedList<SessionRequest>();
for (int i = 0; i < connNo; i++) {
SessionRequest sessionRequest = this.client.openConnection(
new InetSocketAddress("localhost", serverAddress.getPort()),
queue);
connRequests.add(sessionRequest);
}
while (!connRequests.isEmpty()) {
SessionRequest sessionRequest = connRequests.remove();
sessionRequest.waitFor();
if (sessionRequest.getException() != null) {
throw sessionRequest.getException();
}
assertNotNull(sessionRequest.getSession());
}
assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
for (int i = 0; i < jobs.length; i++) {
TestJob testjob = jobs[i];
testjob.waitFor();
if (testjob.isSuccessful()) {
assertEquals(HttpStatus.SC_OK, testjob.getStatusCode());
assertEquals(testjob.getExpected(), testjob.getResult());
} else {
fail(testjob.getFailureMessage());
}
}
}
}