/**
* 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.hadoop.hbase.ipc;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.epoll.EpollSocketChannel;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.codec.Codec;
import org.apache.hadoop.hbase.testclassification.RPCTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.JVM;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
@Category({ RPCTests.class, SmallTests.class })
public class TestNettyIPC extends AbstractTestIPC {
@Parameters(name = "{index}: EventLoop={0}")
public static Collection<Object[]> parameters() {
List<Object[]> params = new ArrayList<>();
params.add(new Object[] { "nio" });
params.add(new Object[] { "perClientNio" });
if (JVM.isLinux() && JVM.isAmd64()) {
params.add(new Object[] { "epoll" });
}
return params;
}
@Parameter
public String eventLoopType;
private static NioEventLoopGroup NIO;
private static EpollEventLoopGroup EPOLL;
@BeforeClass
public static void setUpBeforeClass() {
NIO = new NioEventLoopGroup();
if (JVM.isLinux() && JVM.isAmd64()) {
EPOLL = new EpollEventLoopGroup();
}
}
@AfterClass
public static void tearDownAfterClass() {
if (NIO != null) {
NIO.shutdownGracefully();
}
if (EPOLL != null) {
EPOLL.shutdownGracefully();
}
}
private void setConf(Configuration conf) {
switch (eventLoopType) {
case "nio":
NettyRpcClientConfigHelper.setEventLoopConfig(conf, NIO, NioSocketChannel.class);
break;
case "epoll":
NettyRpcClientConfigHelper.setEventLoopConfig(conf, EPOLL, EpollSocketChannel.class);
break;
case "perClientNio":
NettyRpcClientConfigHelper.createEventLoopPerClient(conf);
break;
default:
break;
}
}
@Override
protected NettyRpcClient createRpcClientNoCodec(Configuration conf) {
setConf(conf);
return new NettyRpcClient(conf) {
@Override
Codec getCodec() {
return null;
}
};
}
@Override
protected NettyRpcClient createRpcClient(Configuration conf) {
setConf(conf);
return new NettyRpcClient(conf);
}
@Override
protected NettyRpcClient createRpcClientRTEDuringConnectionSetup(Configuration conf) {
setConf(conf);
return new NettyRpcClient(conf) {
@Override
boolean isTcpNoDelay() {
throw new RuntimeException("Injected fault");
}
};
}
}