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* 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
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* 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
* individuals on behalf of the Apache Software Foundation. For more
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package org.apache.http.impl.nio.reactor;
import java.io.IOException;
import java.net.BindException;
import java.net.InetSocketAddress;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.DefaultServerIOEventDispatch;
import org.apache.http.nio.protocol.BufferingHttpServiceHandler;
import org.apache.http.nio.reactor.IOEventDispatch;
import org.apache.http.nio.reactor.IOReactorExceptionHandler;
import org.apache.http.nio.reactor.IOReactorStatus;
import org.apache.http.nio.reactor.ListenerEndpoint;
import org.apache.http.nio.reactor.ListeningIOReactor;
import org.apache.http.params.HttpParams;
import org.apache.http.params.SyncBasicHttpParams;
import org.apache.http.protocol.HttpProcessor;
import org.apache.http.protocol.ImmutableHttpProcessor;
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.junit.Assert;
import org.junit.Test;
/**
* Basic tests for {@link DefaultListeningIOReactor}.
*/
public class TestDefaultListeningIOReactor {
@Test
public void testEndpointUpAndDown() throws Exception {
HttpParams params = new SyncBasicHttpParams();
HttpProcessor httpproc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
final BufferingHttpServiceHandler serviceHandler = new BufferingHttpServiceHandler(
httpproc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
params);
final IOEventDispatch eventDispatch = new DefaultServerIOEventDispatch(
serviceHandler,
params);
IOReactorConfig config = new IOReactorConfig();
config.setIoThreadCount(1);
final ListeningIOReactor ioreactor = new DefaultListeningIOReactor(config);
Thread t = new Thread(new Runnable() {
public void run() {
try {
ioreactor.execute(eventDispatch);
} catch (IOException ex) {
}
}
});
t.start();
Set<ListenerEndpoint> endpoints = ioreactor.getEndpoints();
Assert.assertNotNull(endpoints);
Assert.assertEquals(0, endpoints.size());
ListenerEndpoint port9998 = ioreactor.listen(new InetSocketAddress(9998));
port9998.waitFor();
ListenerEndpoint port9999 = ioreactor.listen(new InetSocketAddress(9999));
port9999.waitFor();
endpoints = ioreactor.getEndpoints();
Assert.assertNotNull(endpoints);
Assert.assertEquals(2, endpoints.size());
port9998.close();
endpoints = ioreactor.getEndpoints();
Assert.assertNotNull(endpoints);
Assert.assertEquals(1, endpoints.size());
ListenerEndpoint endpoint = endpoints.iterator().next();
Assert.assertEquals(9999, ((InetSocketAddress) endpoint.getAddress()).getPort());
ioreactor.shutdown(1000);
t.join(1000);
Assert.assertEquals(IOReactorStatus.SHUT_DOWN, ioreactor.getStatus());
}
@Test
public void testEndpointAlreadyBoundFatal() throws Exception {
HttpParams params = new SyncBasicHttpParams();
HttpProcessor httpproc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
final BufferingHttpServiceHandler serviceHandler = new BufferingHttpServiceHandler(
httpproc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
params);
final IOEventDispatch eventDispatch = new DefaultServerIOEventDispatch(
serviceHandler,
params);
IOReactorConfig config = new IOReactorConfig();
config.setIoThreadCount(1);
final ListeningIOReactor ioreactor = new DefaultListeningIOReactor(config);
final CountDownLatch latch = new CountDownLatch(1);
Thread t = new Thread(new Runnable() {
public void run() {
try {
ioreactor.execute(eventDispatch);
Assert.fail("IOException should have been thrown");
} catch (IOException ex) {
latch.countDown();
}
}
});
t.start();
ListenerEndpoint endpoint1 = ioreactor.listen(new InetSocketAddress(9999));
endpoint1.waitFor();
ListenerEndpoint endpoint2 = ioreactor.listen(new InetSocketAddress(9999));
endpoint2.waitFor();
Assert.assertNotNull(endpoint2.getException());
// I/O reactor is now expected to be shutting down
latch.await(2000, TimeUnit.MILLISECONDS);
Assert.assertTrue(ioreactor.getStatus().compareTo(IOReactorStatus.SHUTTING_DOWN) >= 0);
Set<ListenerEndpoint> endpoints = ioreactor.getEndpoints();
Assert.assertNotNull(endpoints);
Assert.assertEquals(0, endpoints.size());
ioreactor.shutdown(1000);
t.join(1000);
Assert.assertEquals(IOReactorStatus.SHUT_DOWN, ioreactor.getStatus());
}
@Test
public void testEndpointAlreadyBoundNonFatal() throws Exception {
HttpParams params = new SyncBasicHttpParams();
HttpProcessor httpproc = new ImmutableHttpProcessor(new HttpResponseInterceptor[] {
new ResponseDate(),
new ResponseServer(),
new ResponseContent(),
new ResponseConnControl()
});
final BufferingHttpServiceHandler serviceHandler = new BufferingHttpServiceHandler(
httpproc,
new DefaultHttpResponseFactory(),
new DefaultConnectionReuseStrategy(),
params);
final IOEventDispatch eventDispatch = new DefaultServerIOEventDispatch(
serviceHandler,
params);
IOReactorConfig config = new IOReactorConfig();
config.setIoThreadCount(1);
final DefaultListeningIOReactor ioreactor = new DefaultListeningIOReactor(config);
ioreactor.setExceptionHandler(new IOReactorExceptionHandler() {
public boolean handle(final IOException ex) {
return (ex instanceof BindException);
}
public boolean handle(final RuntimeException ex) {
return false;
}
});
Thread t = new Thread(new Runnable() {
public void run() {
try {
ioreactor.execute(eventDispatch);
} catch (IOException ex) {
}
}
});
t.start();
ListenerEndpoint endpoint1 = ioreactor.listen(new InetSocketAddress(9999));
endpoint1.waitFor();
ListenerEndpoint endpoint2 = ioreactor.listen(new InetSocketAddress(9999));
endpoint2.waitFor();
Assert.assertNotNull(endpoint2.getException());
// Sleep a little to make sure the I/O reactor is not shutting down
Thread.sleep(500);
Assert.assertEquals(IOReactorStatus.ACTIVE, ioreactor.getStatus());
ioreactor.shutdown(1000);
t.join(1000);
Assert.assertEquals(IOReactorStatus.SHUT_DOWN, ioreactor.getStatus());
}
}