/**
* 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.hedwig.server.benchmark;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.jboss.netty.channel.socket.ServerSocketChannelFactory;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
import org.jboss.netty.handler.codec.frame.LengthFieldPrepender;
import org.jboss.netty.logging.InternalLoggerFactory;
import org.jboss.netty.logging.Log4JLoggerFactory;
@ChannelPipelineCoverage("all")
public class FakeBookie extends SimpleChannelHandler implements
ChannelPipelineFactory {
static final Logger logger = LoggerFactory.getLogger(FakeBookie.class);
ServerSocketChannelFactory serverChannelFactory = new NioServerSocketChannelFactory(
Executors.newCachedThreadPool(), Executors.newCachedThreadPool());
public FakeBookie(int port) {
InternalLoggerFactory.setDefaultFactory(new Log4JLoggerFactory());
ServerBootstrap bootstrap = new ServerBootstrap(serverChannelFactory);
bootstrap.setPipelineFactory(this);
bootstrap.setOption("child.tcpNoDelay", true);
bootstrap.setOption("child.keepAlive", true);
bootstrap.setOption("reuseAddress", true);
logger.info("Going into receive loop");
// Bind and start to accept incoming connections.
bootstrap.bind(new InetSocketAddress(port));
}
@Override
public ChannelPipeline getPipeline() throws Exception {
ChannelPipeline pipeline = Channels.pipeline();
pipeline.addLast("lengthbaseddecoder",
new LengthFieldBasedFrameDecoder(1024 * 1024, 0, 4, 0, 4));
pipeline.addLast("lengthprepender", new LengthFieldPrepender(4));
pipeline.addLast("main", this);
return pipeline;
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
throws Exception {
if (!(e.getMessage() instanceof ChannelBuffer)) {
ctx.sendUpstream(e);
return;
}
ChannelBuffer buffer = (ChannelBuffer) e.getMessage();
int type = buffer.readInt();
buffer.readerIndex(24);
long ledgerId = buffer.readLong();
long entryId = buffer.readLong();
ChannelBuffer outBuf = ctx.getChannel().getConfig().getBufferFactory()
.getBuffer(24);
outBuf.writeInt(type);
outBuf.writeInt(0); // rc
outBuf.writeLong(ledgerId);
outBuf.writeLong(entryId);
e.getChannel().write(outBuf);
}
public static void main(String args[]) {
new FakeBookie(Integer.parseInt(args[0]));
}
}