/**
* 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.
*/
package org.apache.camel.component.netty;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.junit.Ignore;
import org.junit.Test;
/**
* @version
*/
@Ignore("This test can cause CI servers to hang")
public class Netty2978IssueTest extends BaseNettyTest {
@Test
public void testNetty2978() throws Exception {
CamelClient client = new CamelClient(context);
try {
for (int i = 0; i < 1000; i++) {
Object reply = client.lookup(i);
assertEquals("Bye " + i, reply);
}
} finally {
client.close();
}
}
@Test
public void testNetty2978Concurrent() throws Exception {
final CamelClient client = new CamelClient(context);
try {
final List<Callable<String>> callables = new ArrayList<Callable<String>>();
for (int count = 0; count < 1000; count++) {
final int i = count;
callables.add(new Callable<String>() {
public String call() {
return client.lookup(i);
}
});
}
final ExecutorService executorService = Executors.newFixedThreadPool(10);
final List<Future<String>> results = executorService.invokeAll(callables);
final Set<String> replies = new HashSet<String>();
for (Future<String> future : results) {
// wait at most 60 sec to not hang test
String reply = future.get(60, TimeUnit.SECONDS);
assertTrue(reply.startsWith("Bye "));
replies.add(reply);
}
// should be 1000 unique replies
assertEquals(1000, replies.size());
executorService.shutdownNow();
} finally {
client.close();
}
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("netty:tcp://localhost:{{port}}?sync=true")
.process(new Processor() {
public void process(final Exchange exchange) {
String body = exchange.getIn().getBody(String.class);
exchange.getOut().setBody("Bye " + body);
}
});
}
};
}
private static final class CamelClient {
private final Endpoint endpoint;
private final ProducerTemplate producerTemplate;
public CamelClient(CamelContext camelContext) {
this.endpoint = camelContext.getEndpoint("netty:tcp://localhost:{{port}}?sync=true");
this.producerTemplate = camelContext.createProducerTemplate();
}
public void close() throws Exception {
producerTemplate.stop();
}
public String lookup(int num) {
return producerTemplate.requestBody(endpoint, num, String.class);
}
}
}