src/and/hpcvm/User.java

   1 package and.hpcvm ;
   2
   3 import java.net.MalformedURLException;
   4 import java.rmi.Naming;
   5 import java.rmi.NotBoundException;
   6 import java.rmi.RemoteException;
   7 import java.util.ArrayList;
   8
   9
  10 public class User
  11 {
  12         private ServicesServer ss ;
  13
  14         public User( String _serverIP, int _serverPort )
  15         {
  16                 System.out.println( "Connecting to server ..." ) ;
  17                 /** Connection to server **/
  18                 try {
  19                         ss = (ServicesServer) Naming.lookup( "rmi://"
  20                                         + _serverIP + ":" + _serverPort + "/Server" ) ;
  21                 } catch( MalformedURLException e ) {
  22                         e.printStackTrace() ;
  23                 } catch( RemoteException e ) {
  24                         e.printStackTrace() ;
  25                 } catch( NotBoundException e ) {
  26                         e.printStackTrace() ;
  27                 }
  28
  29                 if( ss == null )
  30                 {
  31                         System.err.println( "Unable to connect to server!!" ) ;
  32                         System.err.println( "Server IP: " + _serverIP + " -- server port: " + _serverPort ) ;
  33
  34                         System.exit( 1 ) ;
  35                 }
  36
  37                 System.out.println( "Connected to server " + _serverIP + " on port " + _serverPort + "." ) ;
  38         }
  39
  40         public void reserveMachines( int _nb )
  41         {
  42                 ArrayList<ServicesClient> sc = null ;
  43
  44                 try {
  45                         sc = ss.startApplication( _nb ) ;
  46                 } catch( RemoteException e ) {
  47                         System.err.println( "Unable to retrieve VMs!!" ) ;
  48                         e.printStackTrace() ;
  49                 }
  50
  51                 if( sc == null )
  52                 {
  53                         System.err.println( "There are not enough ressources!!" ) ;
  54                         System.exit( 1 ) ;
  55                 }
  56
  57                 System.out.println( "List of VMs: " ) ;
  58                 for( int i = 0 ; i < sc.size() ; i++ )
  59                 {
  60                         try {
  61                                 System.out.println( "  " + sc.get( i ).getName() + " (" + sc.get( i ).getIPVM() + ")" ) ;
  62                         } catch( RemoteException e ) {
  63                                 System.err.println( "Unable to retrieve VM informations!" ) ;
  64                                 e.printStackTrace() ;
  65                         }
  66                 }
  67         }
  68
  69
  70         public void stopMachines()
  71         {
  72                 try {
  73                         ss.endApplication() ;
  74                 } catch( RemoteException e ) {
  75                         e.printStackTrace() ;
  76                 }
  77         }
  78
  79
  80         public void stopAll()
  81         {
  82                 try {
  83                         ss.stop() ;
  84                 } catch (RemoteException e) {
  85                         e.printStackTrace();
  86                 }
  87         }
  88
  89 }
  90
  91
  92 /** La programmation est un art, respectons ceux qui la pratiquent !! **/