/*
    * Copyright (c) 2006-2007 Hyperic, Inc.
    *
    * 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.
   */
  package org.miloss.fgsms.osagent;
  
  import java.util.ArrayList;
  import java.util.List;
  import org.miloss.fgsms.services.interfaces.common.NetworkAdapterInfo;
  import org.hyperic.sigar.NetInterfaceConfig;
  import org.hyperic.sigar.SigarException;
  import org.hyperic.sigar.cmd.Shell;
  
  /**
   * Display network info.
   */
  public class NetInfo extends SigarCommandBase implements Closable{
  
      public NetInfo(Shell shell) {
          super(shell);
      }
  
      public NetInfo() {
          super();
      }
  
  
      public List<NetworkAdapterInfo> GetNetworkInfo() throws SigarException {
          List<NetworkAdapterInfo> info = new ArrayList<NetworkAdapterInfo>();
          String[] names = this.sigar.getNetInterfaceList();
          NetworkAdapterInfo d = null;
          for (int i = 0; i < names.length; i++) {
              d = new NetworkAdapterInfo();
              NetInterfaceConfig config = this.sigar.getNetInterfaceConfig(names[i]);
              
              try {
                  org.hyperic.sigar.NetInfo netinfo = this.sigar.getNetInfo();
                  d.setDefaultGateway(netinfo.getDefaultGateway());
                  d.getDns().add(netinfo.getPrimaryDns());
                  d.getDns().add(netinfo.getSecondaryDns());
              } catch (Exception ex) {
                  ex.printStackTrace();
                  d.setDefaultGateway("unavailable");
              }
              d.setSubnetMask(config.getNetmask());
              d.setAdapterName(config.getName());
              d.setAdapterDescription(config.getDescription());
              d.setMtu(config.getMtu());
              d.setMac(config.getHwaddr());
              d.getIp().add(config.getAddress());
              // if (!ContainsMax(info, d.getMac()))
              info.add(d);
          }
  
  
  
          return info;
      }
  
     
  
      private boolean ContainsMax(List<NetworkAdapterInfo> info, String mac) {
          for (int i = 0; i < info.size(); i++) {
              if (info.get(i).getMac().equalsIgnoreCase(mac)) {
                  return true;
              }
          }
          return false;
      }
          @Override
      public void close() throws Exception{
          if (sigar != null) {
              sigar.close();
              sigar = null;
          }
      }
      @Override
      protected void finalize() throws Throwable
      {
          
            if (sigar != null) {
                System.out.println("WARN,. finalize called without closing sigar first"+ this.getClass().getCanonicalName());
              sigar.close();
          }
          super.finalize();
      }
  
      
 }