content: /**
   * 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 io.jafka;
  
  import java.io.File;
  import java.io.IOException;
  
  import com.github.zkclient.ZkServer;
  
  /**
   * @author adyliu (imxylz@gmail.com)
   */
  public class ZkServerTestUtil {
  
      static {
          System.setProperty("zookeeper.preAllocSize", "1024");//1M data log
      }
  
  
      public static ZkServer startZkServer(int port) throws IOException {
          final String dataPath=DataLogCleaner.defaultBuildPath+"/zk/default/data";
          final String logPath=DataLogCleaner.defaultBuildPath+"/zk/default/log";
          File dataDir = new File(dataPath);
          File logDir = new File(logPath);
          DataLogCleaner.cleanDataLogDir(dataDir);
          DataLogCleaner.cleanDataLogDir(logDir);
          dataDir.mkdirs();
          logDir.mkdirs();
          ZkServer zkServer = new ZkServer(dataPath, logPath, port,
                  ZkServer.DEFAULT_TICK_TIME, 100);
          zkServer.start();
          return zkServer;
      }
  
      public static void closeZkServer(ZkServer server) {
          if (server != null) {
              server.shutdown();
          }
      }
  }
  