/**
* 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.avro.ipc;
import junit.framework.Assert;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.socket.SocketChannel;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
import org.junit.Test;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.util.concurrent.Executors;
import static org.junit.Assert.assertEquals;
/**
* This is a very specific test that verifies that if the NettyTransceiver fails
* to connect it cleans up the netty channel that it has created.
*/
public class NettyTransceiverWhenFailsToConnect {
@Test(expected = IOException.class)
public void testNettyTransceiverReleasesNettyChannelOnFailingToConnect() throws Exception {
ServerSocket serverSocket = null;
LastChannelRememberingChannelFactory socketChannelFactory = null;
try {
serverSocket = new ServerSocket(0);
socketChannelFactory = new LastChannelRememberingChannelFactory();
try {
new NettyTransceiver(
new InetSocketAddress(serverSocket.getLocalPort()),
socketChannelFactory,
1L
);
} finally {
assertEquals("expected that the channel opened by the transceiver is closed",
false, socketChannelFactory.lastChannel.isOpen());
}
} finally {
if (serverSocket != null) {
// closing the server socket will actually free up the open channel in the
// transceiver, which would have hung otherwise (pre AVRO-1407)
serverSocket.close();
}
if (socketChannelFactory != null) {
socketChannelFactory.releaseExternalResources();
}
}
}
class LastChannelRememberingChannelFactory extends NioClientSocketChannelFactory implements ChannelFactory {
volatile SocketChannel lastChannel;
@Override
public SocketChannel newChannel(ChannelPipeline pipeline) {
return lastChannel= super.newChannel(pipeline);
}
}
}