/*
    * Copyright (c) 2006 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 org.hyperic.sigar.SigarException;
  import org.hyperic.sigar.SigarNotImplementedException;
  import org.hyperic.sigar.SigarPermissionDeniedException;
  import org.hyperic.sigar.ProcFd;
  import org.hyperic.sigar.ProcExe;
  import org.hyperic.sigar.cmd.Shell;
  
  /**
   * Display process file information.
   */
  public class ProcFileInfo extends SigarCommandBase implements Closable{
  
      public ProcFileInfo(Shell shell) {
          super(shell);
      }
  
      public ProcFileInfo() {
          super();
      }
  
  
      public long GetOpenFileCount(String processname) throws SigarException {
          long[] pids = this.shell.findPids(processname);
          if (pids == null || pids.length == 0) {
              return -1;
          }
          long openfiles = 0;
  
          for (int i = 0; i < pids.length; i++) {
              try {
                  ProcFd fd = sigar.getProcFd(pids[i]);
                  println("open file descriptors=" + fd.getTotal());
              } catch (SigarNotImplementedException e) {
              }
          }
          return openfiles;
      }
  
          @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();
      }
  }