/*
* 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.mina.core.nio.udp;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.DatagramChannel;
import io.netty.channel.socket.DatagramPacket;
import io.netty.channel.socket.nio.NioDatagramChannel;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.concurrent.CountDownLatch;
import org.apache.mina.core.BenchmarkClient;
/**
* A Netty 4 based UDP client
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class Netty4UdpBenchmarkClient implements BenchmarkClient {
private Bootstrap bootstrap;
/**
*
*/
public Netty4UdpBenchmarkClient() {
}
/**
* {@inheritedDoc}
*/
public void start(final int port, final CountDownLatch counter, final byte[] data) throws IOException {
bootstrap = new Bootstrap();
bootstrap.option(ChannelOption.SO_SNDBUF, 65536);
bootstrap.group(new NioEventLoopGroup());
bootstrap.channel(NioDatagramChannel.class);
bootstrap.handler(new ChannelInitializer<DatagramChannel>() {
@Override
protected void initChannel(DatagramChannel ch) throws Exception {
ch.pipeline().addLast(new SimpleChannelInboundHandler<DatagramPacket>() {
private void sendMessage(ChannelHandlerContext ctx, byte[] data, InetSocketAddress address) {
ByteBuf buf = ctx.alloc().buffer(data.length);
buf.writeBytes(data);
ctx.writeAndFlush(new DatagramPacket(buf, address));
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
sendMessage(ctx, data, new InetSocketAddress("localhost", port));
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket message) throws Exception {
for(int i=0; i < message.content().readableBytes();i++) {
counter.countDown();
if (counter.getCount() > 0) {
sendMessage(ctx, data, message.sender());
} else {
ctx.channel().close();
}
}
}
});
}
});
bootstrap.bind(port+1);
}
/**
* {@inheritedDoc}
*/
public void stop() throws IOException {
bootstrap.group().shutdownGracefully();
}
}