/* This file is part of VoltDB.
* Copyright (C) 2008-2014 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltcore.zk;
import java.util.ArrayList;
import java.util.Map;
import java.util.TreeMap;
import java.util.concurrent.Semaphore;
import org.apache.zookeeper_voltpatches.WatchedEvent;
import org.apache.zookeeper_voltpatches.Watcher;
import org.apache.zookeeper_voltpatches.Watcher.Event.KeeperState;
import org.apache.zookeeper_voltpatches.ZooKeeper;
import org.voltcore.messaging.HostMessenger;
import org.voltcore.utils.PortGenerator;
import com.google_voltpatches.common.collect.ImmutableSet;
import com.google_voltpatches.common.collect.Sets;
/**
*
*/
public class ZKTestBase {
PortGenerator m_ports = new PortGenerator();
protected Map<Integer, Integer> m_siteIdToZKPort;
protected ArrayList<HostMessenger> m_messengers;
protected ArrayList<ZooKeeper> m_clients;
protected void setUpZK(int sites) throws Exception {
m_siteIdToZKPort = new TreeMap<Integer, Integer>();
m_clients = new ArrayList<ZooKeeper>();
m_messengers = new ArrayList<HostMessenger>();
for (int ii = 0; ii < sites; ii++) {
HostMessenger.Config config = new HostMessenger.Config();
config.internalPort += ii;
int externalPort = m_ports.next();
config.zkInterface = "127.0.0.1:" + externalPort;
m_siteIdToZKPort.put(ii, externalPort);
config.networkThreads = 1;
HostMessenger hm = new HostMessenger(config);
hm.start();
m_messengers.add(hm);
}
}
protected void tearDownZK() throws Exception {
for (ZooKeeper keeper : m_clients) {
keeper.close();
}
m_clients.clear();
for (HostMessenger hm : m_messengers) {
if (hm != null) {
hm.shutdown();
}
}
m_messengers.clear();
}
protected ZooKeeper getClient(int site) throws Exception {
final Semaphore permit = new Semaphore(0);
int clientPort = m_siteIdToZKPort.get(site);
ZooKeeper keeper = new ZooKeeper("127.0.0.1:" + Integer.toString(clientPort), 4000, new Watcher() {
@Override
public void process(WatchedEvent event) {
if (event.getState() == KeeperState.SyncConnected) {
permit.release();
}
System.out.println(event);
}},
Sets.<Long>newHashSet());
m_clients.add(keeper);
permit.acquire();
return keeper;
}
}