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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.
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*
* 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.impl.nio.reactor;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.OoopsieRuntimeException;
import org.apache.http.impl.nio.pool.BasicNIOPoolEntry;
import org.apache.http.message.BasicHttpRequest;
import org.apache.http.nio.NHttpClientConnection;
import org.apache.http.nio.NHttpServerConnection;
import org.apache.http.nio.protocol.BasicAsyncRequestHandler;
import org.apache.http.nio.protocol.HttpAsyncRequestExecutor;
import org.apache.http.nio.protocol.HttpAsyncService;
import org.apache.http.nio.protocol.UriHttpAsyncRequestHandlerMapper;
import org.apache.http.nio.reactor.IOReactorException;
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.testserver.HttpCoreNIOTestBase;
import org.apache.http.nio.testserver.HttpServerNio;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestHandler;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
/**
* Tests for basic I/O functionality.
*/
@RunWith(Parameterized.class)
public class TestDefaultIOReactors extends HttpCoreNIOTestBase {
@Parameterized.Parameters(name = "{0}")
public static Collection<Object[]> protocols() {
return Arrays.asList(new Object[][]{
{ProtocolScheme.http},
{ProtocolScheme.https},
});
}
public TestDefaultIOReactors(final ProtocolScheme scheme) {
super(scheme);
}
@Before
public void setUp() throws Exception {
initServer();
initClient();
}
@After
public void tearDown() throws Exception {
shutDownClient();
shutDownServer();
}
@Test
public void testGracefulShutdown() throws Exception {
final int connNo = 10;
final CountDownLatch openServerConns = new CountDownLatch(connNo);
final CountDownLatch openClientConns = new CountDownLatch(connNo);
final AtomicInteger closedClientConns = new AtomicInteger(0);
final AtomicInteger closedServerConns = new AtomicInteger(0);
this.client.setMaxPerRoute(connNo);
this.client.setMaxTotal(connNo);
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
final HttpAsyncService serviceHandler = new HttpAsyncService(
HttpServerNio.DEFAULT_HTTP_PROC, registry) {
@Override
public void connected(final NHttpServerConnection conn) {
openServerConns.countDown();
super.connected(conn);
}
@Override
public void closed(final NHttpServerConnection conn) {
closedServerConns.incrementAndGet();
super.closed(conn);
}
};
final HttpAsyncRequestExecutor clientHandler = new HttpAsyncRequestExecutor() {
@Override
public void connected(
final NHttpClientConnection conn,
final Object attachment) throws IOException, HttpException {
openClientConns.countDown();
super.connected(conn, attachment);
}
@Override
public void closed(final NHttpClientConnection conn) {
closedClientConns.incrementAndGet();
super.closed(conn);
}
};
this.server.start(serviceHandler);
this.client.start(clientHandler);
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final HttpHost target = new HttpHost("localhost", address.getPort(), getScheme().name());
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final Queue<Future<BasicNIOPoolEntry>> queue = new LinkedList<Future<BasicNIOPoolEntry>>();
for (int i = 0; i < connNo; i++) {
queue.add(this.client.lease(target, null));
}
while (!queue.isEmpty()) {
final Future<BasicNIOPoolEntry> future = queue.remove();
final BasicNIOPoolEntry poolEntry = future.get();
Assert.assertNotNull(poolEntry);
}
Assert.assertEquals("Test client status", IOReactorStatus.ACTIVE, this.client.getStatus());
openClientConns.await(15, TimeUnit.SECONDS);
openServerConns.await(15, TimeUnit.SECONDS);
this.client.shutdown();
this.server.shutdown();
Assert.assertEquals("Client connections that should have been closed", connNo, closedClientConns.get());
Assert.assertEquals("Server connections that should have been closed", connNo, closedServerConns.get());
}
@Test
public void testRuntimeException() throws Exception {
final HttpRequestHandler requestHandler = new HttpRequestHandler() {
@Override
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
throw new OoopsieRuntimeException();
}
};
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("*", new BasicAsyncRequestHandler(requestHandler));
final HttpAsyncService serviceHandler = new HttpAsyncService(
HttpServerNio.DEFAULT_HTTP_PROC, registry) {
@Override
public void exception(
final NHttpServerConnection conn,
final Exception cause) {
super.exception(conn, cause);
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;
}
}
};
this.server.start(serviceHandler);
this.client.start();
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final HttpHost target = new HttpHost("localhost", address.getPort(), getScheme().name());
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final BasicHttpRequest request = new BasicHttpRequest("GET", "/");
this.client.execute(target, request);
this.server.join(20000);
final Exception ex = this.server.getException();
Assert.assertNotNull(ex);
Assert.assertTrue(ex instanceof IOReactorException);
Assert.assertNotNull(ex.getCause());
Assert.assertTrue(ex.getCause() instanceof OoopsieRuntimeException);
final List<ExceptionEvent> auditlog = this.server.getAuditLog();
Assert.assertNotNull(auditlog);
Assert.assertEquals(1, auditlog.size());
// I/O reactor shut down itself
Assert.assertEquals(IOReactorStatus.SHUT_DOWN, this.server.getStatus());
this.client.shutdown();
this.server.shutdown();
}
@Test
public void testUnhandledRuntimeException() throws Exception {
final CountDownLatch requestConns = new CountDownLatch(1);
final HttpRequestHandler requestHandler = new HttpRequestHandler() {
@Override
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
throw new OoopsieRuntimeException();
}
};
final IOReactorExceptionHandler exceptionHandler = new IOReactorExceptionHandler() {
@Override
public boolean handle(final IOException ex) {
return false;
}
@Override
public boolean handle(final RuntimeException ex) {
requestConns.countDown();
return false;
}
};
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("*", new BasicAsyncRequestHandler(requestHandler));
final HttpAsyncService serviceHandler = new HttpAsyncService(
HttpServerNio.DEFAULT_HTTP_PROC, registry) {
@Override
public void exception(
final NHttpServerConnection conn,
final Exception cause) {
super.exception(conn, cause);
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;
}
}
};
this.server.setExceptionHandler(exceptionHandler);
this.server.start(serviceHandler);
this.client.start();
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final HttpHost target = new HttpHost("localhost", address.getPort(), getScheme().name());
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final BasicHttpRequest request = new BasicHttpRequest("GET", "/");
this.client.execute(target, request);
this.server.join(20000);
final Exception ex = this.server.getException();
Assert.assertNotNull(ex);
Assert.assertTrue(ex instanceof IOReactorException);
Assert.assertNotNull(ex.getCause());
Assert.assertTrue(ex.getCause() instanceof OoopsieRuntimeException);
final List<ExceptionEvent> auditlog = this.server.getAuditLog();
Assert.assertNotNull(auditlog);
Assert.assertEquals(1, auditlog.size());
// I/O reactor shut down itself
Assert.assertEquals(IOReactorStatus.SHUT_DOWN, this.server.getStatus());
this.client.shutdown();
this.server.shutdown();
}
@Test
public void testHandledRuntimeException() throws Exception {
final CountDownLatch requestConns = new CountDownLatch(1);
final HttpRequestHandler requestHandler = new HttpRequestHandler() {
@Override
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
throw new OoopsieRuntimeException();
}
};
final IOReactorExceptionHandler exceptionHandler = new IOReactorExceptionHandler() {
@Override
public boolean handle(final IOException ex) {
return false;
}
@Override
public boolean handle(final RuntimeException ex) {
requestConns.countDown();
return true;
}
};
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("*", new BasicAsyncRequestHandler(requestHandler));
final HttpAsyncService serviceHandler = new HttpAsyncService(
HttpServerNio.DEFAULT_HTTP_PROC, registry) {
@Override
public void exception(
final NHttpServerConnection conn,
final Exception cause) {
super.exception(conn, cause);
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;
}
}
};
this.server.setExceptionHandler(exceptionHandler);
this.server.start(serviceHandler);
this.client.start();
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final HttpHost target = new HttpHost("localhost", address.getPort(), getScheme().name());
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final BasicHttpRequest request = new BasicHttpRequest("GET", "/");
this.client.execute(target, request);
requestConns.await();
Assert.assertEquals(0, requestConns.getCount());
this.server.join(1000);
Assert.assertEquals(IOReactorStatus.ACTIVE, this.server.getStatus());
Assert.assertNull(this.server.getException());
this.client.shutdown();
this.server.shutdown();
}
}