proc/System_LinuxLocal.java

   1
   2 package org.de.metux.proc;
   3
   4 import org.de.metux.util.Exec;
   5 import java.io.File;
   6 import java.lang.NumberFormatException;
   7
   8 /* hmm. seems this code only works w/ kaffe/classpath :( */
   9
  10 public class System_LinuxLocal implements ISystem
  11 {
  12     public static final String proc_prefix = "/proc/";
  13
  14     private class ProcInf implements IProcess
  15     {
  16         int pid;
  17         ProcInf(int my_pid)
  18         {
  19             pid = 0;
  20             this.pid = my_pid;
  21         }
  22
  23         public boolean signal(String sig)
  24         {
  25             if (sig==null)
  26                 throw new NullPointerException("parameter SIGNAL is NULL");
  27
  28             for (int x=0; x<valid_signals.length; x++)
  29             {
  30                 if (sig.equals(valid_signals[x]))
  31                 {
  32                     System.err.println("GOT valid signame: "+sig);
  33                     System.err.println("OUT="+
  34                         new Exec().run_catch("kill -"+sig+" "+pid));
  35                 }
  36
  37             }
  38             return false;
  39
  40         }
  41
  42         public int getPID()
  43         {
  44             return pid;
  45         }
  46     }
  47
  48     public String getHostname()
  49     {
  50         return new Exec().run_catch("hostname").trim();
  51     }
  52
  53     public int[] getPIDs()
  54     {
  55         int sz = 0;
  56         File f = new File (proc_prefix);
  57         String entries[] = f.list();
  58
  59         // pids in ints umwandeln. fixme: evtl. noch auf dir checken
  60         int [] pids = new int[entries.length];
  61         for (int x=0; x<entries.length; x++)
  62         {
  63             try
  64             {
  65                 int a = Integer.parseInt(entries[x],10);
  66                 pids[sz++] = a;
  67             }
  68             catch (NumberFormatException e)
  69             {
  70             }
  71         }
  72
  73         // compress the array, so that the length is the actual
  74         // number of processes. leave no gaps.
  75         int [] pids2 = new int[sz];
  76         for (int x=0; x<sz; x++)
  77             pids2[x] = pids[x];
  78
  79         return pids2;
  80     }
  81
  82     public IProcess getProcess(int pid)
  83     {
  84
  85 // not finished yet :(
  86 //      File handle = new File(proc_prefix+pid+"/");
  87 //      Process_LinuxLocal process = new Process_LinuxLocal();
  88
  89
  90         return null;
  91     }
  92 }