Remote ORB Monitoring

This sample program shows how to remotely view the ORB runtime properties.

Client

package monitor;
                                                                           
import org.omg.CORBA.ORB;
                                                                           
import com.sssw.jbroker.api.admin.Manageable;
import com.sssw.jbroker.api.admin.ManageableCollection;
                                                                           
public class Client
{
    public static void main(String[] args) throws Exception
    {
    |   // create the ORB
    |   ORB orb = ORB.init(args, null);
    |                                                                      
    |   // lookup the manageable
    |   String lookup = "corbaloc::"+args[0]+":"+args[1]+"/jBrokerAdmin";
    |   Manageable mgble = (Manageable) orb.string_to_object(lookup);
    |                                                                      
    |   // list the manageable
    |   listManageable(mgble, 0);
    }
                                                                           
    static void listManageable(Manageable mgble, int depth) throws Exception
    {
    |   System.out.println(tab(depth) + mgble.getName() + ":");
    |                                                                      
    |   depth++;
    |                                                                      
    |   // print the properties
    |   String[] props = mgble.propertyNames();
    |   Object[] values = mgble.getProperties(props);
    |   for (int i=0; i < props.length; i++) {
    |   |   if (values[i] instanceof Manageable) {
    |   |   |   System.out.println(tab(depth) + props[i] + ":");
    |   |   |   listManageable((Manageable) values[i], depth);
    |   |   } else System.out.println(tab(depth) + props[i] + "=" + values[i]);
    |   }
    |                                                                      
    |   // print the manageable collection
    |   if (mgble instanceof ManageableCollection) {
    |   |   ManageableCollection mgblColl = (ManageableCollection) mgble;
    |   |   String[] names = mgblColl.list();
    |   |   for (int i=0; i < names.length; i++) {
    |   |   |   listManageable(mgblColl.getManageable(names[i]), depth);
    |   |   }
    |   }
    }
                                                                           
    private static String tab(int num)
    {
    |   String result="";
    |   for (int i=0; i < num; i++) result += "   ";
    |   return result;
    }
}

Sample Output

The sample output shows runtime properties like connections, threads, memory, requests, objects, etc.


jBrokerAdmin:
   FreeMemory=6364960
   UpTime=8176
   TotalMemory=8388608
   OSVersion=SunOS sparc 5.8
   FreeMemoryPercent=75.876236
   JavaVersion=1.2.2
   ORBAdmin:
      RequestsSent=0
      RequestsReceived=8
      OutGoingConnections=0
      InComingConnections=0
      GatewayMode=false
      MulticastRequestsReceived=0
      InComingSSLConnections=0
      Threads=0
      LocatesReceived=1
      HttpTunnelMode=false
      LocatesSent=0
      OutGoingSSLConnections=0
      MulticastRequestsSent=0
      PlainIDLObjects=1
      PlainRMIObjects=2