/**
  * prints server-stats for mrtg-tool.
  * doesn't check username or password, so that we don't have
  * to write them cleartext in a mrtg-configfile but checks the
  * remote address.
  */

if ( checkAddress()==false )
   return;


if (req.data.action=="memory") {

   res.write (this.jvmTotalMemory_macro () + "\n");
   res.write (this.jvmFreeMemory_macro () + "\n");
   res.write ("0\n0\n");

} else if (req.data.action=="netstat" && isLinux ()) {

   var str = (new File("/proc/net/tcp")).readAll();
   var arr = str.split("\n");
   res.write (arr.length-2 + "\n");
   res.write ("0\n0\n0\n");

} else if (req.data.action=="loadavg" && isLinux ()) {
   
   // load average of last 5 minutes:
   var str = (new File("/proc/loadavg")).readAll();
   var arr = str.split(" ");
   res.write (arr[1]*100 + "\n");
   res.write ("0\n0\n0\n");

} else {
   res.write ( "0\n0\n0\n0\n");
}