/**
* $Id: TestLeaderElect.java 267263 2011-05-05 19:57:19Z snagaraj $ */
package com.linkedin.databus.groupleader.impl.zkclient;
/*
*
* Copyright 2013 LinkedIn Corp. All rights reserved
*
* Licensed 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.
*
*/
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.I0Itec.zkclient.IDefaultNameSpace;
import org.I0Itec.zkclient.ZkClient;
import org.I0Itec.zkclient.ZkServer;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
public class LeaderElectUtils
{
private static final Logger LOG = Logger.getLogger(LeaderElectUtils.class);
public static List<Integer> parseLocalPorts(String hostPortList)
{
List<Integer> localPortsList = new ArrayList<Integer>();
String[] hostPortArray = hostPortList.split(",");
for (String hostPortString : hostPortArray)
{
String[] hostAndPort = hostPortString.split(":");
if (hostAndPort[0].equals("localhost") || hostAndPort[0].equals("127.0.0.1"))
{
int port = Integer.parseInt(hostAndPort[1]);
if (!localPortsList.contains(port))
{
localPortsList.add(port);
}
}
}
return localPortsList;
}
public static List<ZkServer> startLocalZookeeper(List<Integer> localPortsList,
String zkTestDataRootDir,
int tickTime)
throws IOException
{
List<ZkServer> localZkServers = new ArrayList<ZkServer>();
int count = 0;
for (int port : localPortsList)
{
ZkServer zkServer = startZkServer(zkTestDataRootDir, count++, port, tickTime);
localZkServers.add(zkServer);
}
return localZkServers;
}
public static ZkServer startZkServer(String zkTestDataRootDir,
int machineId,
int port,
int tickTime) throws IOException
{
File zkTestDataRootDirFile = new File(zkTestDataRootDir);
zkTestDataRootDirFile.mkdirs();
String dataPath = zkTestDataRootDir + "/" + machineId + "/" + port + "/data";
String logPath = zkTestDataRootDir + "/" + machineId + "/" + port + "/log";
FileUtils.deleteDirectory(new File(dataPath));
FileUtils.deleteDirectory(new File(logPath));
IDefaultNameSpace mockDefaultNameSpace = new IDefaultNameSpace()
{
@Override
public void createDefaultNameSpace(ZkClient zkClient)
{
}
};
LOG.info("Starting local zookeeper on port=" + port + "; dataPath=" + dataPath);
ZkServer zkServer = new ZkServer(dataPath, logPath, mockDefaultNameSpace, port, tickTime);
zkServer.start();
return zkServer;
}
static public void stopLocalZookeeper(List<ZkServer> localZkServers)
{
for (ZkServer zkServer : localZkServers)
{
zkServer.shutdown();
}
}
}