/*
* 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.flume.source;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.util.HashMap;
import org.apache.avro.ipc.NettyTransceiver;
import org.apache.avro.ipc.specific.SpecificRequestor;
import org.apache.flume.Channel;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.Transaction;
import org.apache.flume.channel.MemoryChannel;
import org.apache.flume.conf.Configurables;
import org.apache.flume.lifecycle.LifecycleController;
import org.apache.flume.lifecycle.LifecycleState;
import org.apache.flume.source.avro.AvroFlumeEvent;
import org.apache.flume.source.avro.AvroSourceProtocol;
import org.apache.flume.source.avro.Status;
import org.jboss.netty.channel.ChannelException;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestAvroSource {
private static final Logger logger = LoggerFactory
.getLogger(TestAvroSource.class);
private int selectedPort;
private AvroSource source;
private Channel channel;
@Before
public void setUp() {
source = new AvroSource();
channel = new MemoryChannel();
Configurables.configure(channel, new Context());
source.setChannel(channel);
}
@Test
public void testLifecycle() throws InterruptedException {
boolean bound = false;
for (int i = 0; i < 100 && !bound; i++) {
try {
Context context = new Context();
context.put("port", String.valueOf(selectedPort = 41414 + i));
context.put("bind", "0.0.0.0");
Configurables.configure(source, context);
source.start();
bound = true;
} catch (ChannelException e) {
/*
* NB: This assume we're using the Netty server under the hood and the
* failure is to bind. Yucky.
*/
}
}
Assert
.assertTrue("Reached start or error", LifecycleController.waitForOneOf(
source, LifecycleState.START_OR_ERROR));
Assert.assertEquals("Server is started", LifecycleState.START,
source.getLifecycleState());
source.stop();
Assert.assertTrue("Reached stop or error",
LifecycleController.waitForOneOf(source, LifecycleState.STOP_OR_ERROR));
Assert.assertEquals("Server is stopped", LifecycleState.STOP,
source.getLifecycleState());
}
@Test
public void testRequest() throws InterruptedException, IOException {
boolean bound = false;
for (int i = 0; i < 100 && !bound; i++) {
try {
Context context = new Context();
context.put("port", String.valueOf(selectedPort = 41414 + i));
context.put("bind", "0.0.0.0");
Configurables.configure(source, context);
source.start();
bound = true;
} catch (ChannelException e) {
/*
* NB: This assume we're using the Netty server under the hood and the
* failure is to bind. Yucky.
*/
}
}
Assert
.assertTrue("Reached start or error", LifecycleController.waitForOneOf(
source, LifecycleState.START_OR_ERROR));
Assert.assertEquals("Server is started", LifecycleState.START,
source.getLifecycleState());
AvroSourceProtocol client = SpecificRequestor.getClient(
AvroSourceProtocol.class, new NettyTransceiver(new InetSocketAddress(
selectedPort)));
AvroFlumeEvent avroEvent = new AvroFlumeEvent();
avroEvent.headers = new HashMap<CharSequence, CharSequence>();
avroEvent.body = ByteBuffer.wrap("Hello avro".getBytes());
Status status = client.append(avroEvent);
Assert.assertEquals(Status.OK, status);
Transaction transaction = channel.getTransaction();
transaction.begin();
Event event = channel.take();
Assert.assertNotNull(event);
Assert.assertEquals("Channel contained our event", "Hello avro",
new String(event.getBody()));
transaction.commit();
transaction.close();
logger.debug("Round trip event:{}", event);
source.stop();
Assert.assertTrue("Reached stop or error",
LifecycleController.waitForOneOf(source, LifecycleState.STOP_OR_ERROR));
Assert.assertEquals("Server is stopped", LifecycleState.STOP,
source.getLifecycleState());
}
}