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 org.apache.hadoop.chukwa.inputtools.plugin.nodeactivity;
  
  
  import org.apache.hadoop.chukwa.inputtools.mdl.DataConfig;
  import org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin;
  import org.apache.hadoop.chukwa.inputtools.plugin.IPlugin;
  import org.json.simple.JSONObject;
  
  public class NodeActivityPlugin extends ExecPlugin {
    private String cmde = null;
    private DataConfig dataConfig = null;
  
    public NodeActivityPlugin() {
      dataConfig = new DataConfig();
      cmde = dataConfig.get("mdl.plugin.NodeActivityPlugin.cmde");
    }
  
    @Override
    public String getCmde() {
      return cmde;
    }
  
    @Override
    public JSONObject postProcess(JSONObject execResult) {
      try {
        if ( (Integer) execResult.get("status") < 0) {
          return execResult;
        }
  
        String res = (String) execResult.get("stdout");
  
        String[] tab = res.split("\n");
        int totalFreeNode = 0;
        int totalUsedNode = 0;
        int totalDownNode = 0;
  
        for (int i = 0; i < tab.length; i++) {
          if (tab[i].indexOf("state =") < 0) {
            tab[i] = null;
            continue;
          }
  
          String[] line = tab[i].split("state =");
          tab[i] = null;
  
          if (line[1].trim().equals("free")) {
            totalFreeNode++;
          } else if (line[1].trim().equals("job-exclusive")) {
            totalUsedNode++;
          } else {
            totalDownNode++;
          }
        }
  
        execResult.put("totalFreeNode", totalFreeNode);
        execResult.put("totalUsedNode", totalUsedNode);
        execResult.put("totalDownNode", totalDownNode);
        execResult.put("source", "NodeActivity");
  
        execResult.put("status", 100);
  
      } catch (Throwable e) {
        try {
          execResult.put("source", "NodeActivity");
          execResult.put("status", -100);
          execResult.put("errorLog", e.getMessage());
        } catch (Exception e1) {
          e1.printStackTrace();
        }
        e.printStackTrace();
  
      }
  
      return execResult;
    }
  
    public static void main(String[] args) {
      IPlugin plugin = new NodeActivityPlugin();
      JSONObject result = plugin.execute();
      System.out.print("Result: " + result);
  
    }
  
  }
  