private String working_directory ;
private long save_interleave ;
private Semaphore semaSave ;
+ private OperatingClients startingClients ;
+ private OperatingClients deployingClients ;
+ private LimitThread limitThread ;
+ private int maxThread ;
+ private int ind ;
+ private boolean running ;
protected Server() throws RemoteException
{
if( _stub != null )
{
- String ip = "" ;
- try {
- ip = _stub.getIPHost() ;
- } catch (RemoteException e) {
- e.printStackTrace() ;
- return 1 ;
- }
-
- boolean exists = false ;
- int i ;
-
- for( i = 0 ; i < clients.size() ; i++ )
+ synchronized( clients )
{
- if( ip.equals( clients.get( i ).getIP() ) )
+ String ip = "" ;
+ try {
+ ip = _stub.getIPHost() ;
+ } catch (RemoteException e) {
+ e.printStackTrace() ;
+ return 1 ;
+ }
+
+ boolean exists = false ;
+ int i ;
+
+ for( i = 0 ; i < clients.size() ; i++ )
{
- exists = true ;
- System.out.println( "Client already connected!" ) ;
- break ;
+ if( ip.equals( clients.get( i ).getIP() ) )
+ {
+ exists = true ;
+ System.out.println( "Client already connected!" ) ;
+ break ;
+ }
}
- }
-
- if( exists )
- {
- System.out.println( "The client stub will be replaced." ) ;
- clients.get( i ).setStub( _stub ) ;
- System.out.println( "(reconnection of " + clients.get( i ).getName() + ")" ) ;
- return 2 ;
- } else {
- System.out.println( "New connection!" ) ;
- clients.add( new ConnectedClient( _stub ) ) ;
- System.out.println( "(connection of " + clients.get( clients.size() - 1 ).getName() + ")" ) ;
- generateVmIP( ip ) ;
-
- if( clients.size() == 0 )
+
+ if( exists )
{
- System.out.println( "There is no client connected." ) ;
- } else if( clients.size() == 1 ) {
- System.out.println( "There is one client connected." ) ;
+ System.out.println( "The client stub will be replaced." ) ;
+ clients.get( i ).setStub( _stub ) ;
+ System.out.println( "(reconnection of " + clients.get( i ).getName() + ")" ) ;
+ return 2 ;
} else {
- System.out.println( "There are " + clients.size() + " clients connected." ) ;
- }
+ System.out.println( "New connection!" ) ;
+ clients.add( new ConnectedClient( _stub ) ) ;
+ System.out.println( "(connection of " + clients.get( clients.size() - 1 ).getName() + ")" ) ;
+ generateVmIP( ip ) ;
+
+ if( clients.size() == 0 )
+ {
+ System.out.println( "There is no client connected." ) ;
+ } else if( clients.size() == 1 ) {
+ System.out.println( "There is one client connected." ) ;
+ } else {
+ System.out.println( "There are " + clients.size() + " clients connected." ) ;
+ }
- return 0 ;
+ return 0 ;
+ }
}
}
for( int i = 0 ; i < clients.size() ; i++ )
{
if( _ip.equals( clients.get( i ).getIP() ) )
- {
+ {
clients.get( i ).setStatus( _status ) ;
System.out.println( "Client " + clients.get( i ).getName() + " changed its status to: " + _status ) ;
+
break ;
}
}
applications = new ArrayList<RunningApplication>() ;
monitor = null ;
+ startingClients = new OperatingClients() ;
+ deployingClients = new OperatingClients() ;
+ limitThread = new LimitThread() ;
+ maxThread = 20 ;
+
+ ind = -1 ;
+ running = false ;
+
working_directory = "/localhome/vmware" ;
save_interleave = 30 * 60 * 1000 ;
clients.get( i ).getStub().emergencyStop() ;
clients.get( i ).getStub().stop() ;
} catch (RemoteException e) {
- e.printStackTrace();
+ System.err.println( "Unable to send stop signal to " + clients.get( i ).getName() ) ;
+ e.printStackTrace() ;
}
}
} catch( RemoteException e ) {
System.err.println( "Unable to indicate to client to retrieve last save!" ) ;
e.printStackTrace() ;
+ yield() ;
}
if( res == 0 )
} catch( RemoteException e ) {
System.err.println( "Unable to set the new VM IP on the replacing client!" ) ;
e.printStackTrace() ;
+ yield() ;
}
if( ok_new && ok_old )
}
// Replacing in RunningApplication
- applications.get( 0 ).replaceComputingClient( cc, ccl ) ;
+ applications.get( ind ).replaceComputingClient( cc, ccl ) ;
- for( int l = 0 ; l < applications.get(0).getComputingClients().size() ; l++ )
+ for( int l = 0 ; l < applications.get( ind ).getComputingClients().size() ; l++ )
{
- applications.get(0).getComputingClients().get( l ).setSaveRequest( false ) ;
+ applications.get( ind ).getComputingClients().get( l ).setSaveRequest( false ) ;
}
System.err.println( "Unable to deploy the save on the new computing client!" ) ;
}
}
-// } else {
-// System.err.println( "Problem while launching the VM on "
-// + clients.get(i).getName() + "!" ) ;
-// }
if( ok )
{
// break ;
// }
// }
- synchronized( counter ){
- counter.inc() ;}
+ synchronized( counter )
+ {
+ counter.inc() ;
+ }
-
new Server.FaultManager( cl ).start() ;
nb_disconnections_computing++ ;
} else {
System.out.println( "Maybe it will come back later :)" ) ;
}
- it.remove() ;
+ synchronized( clients )
+ {
+ it.remove() ;
+ }
nb_disconnections++ ;
change = true ;
}
if( change )
{
- if( clients.size() == 0 )
+ synchronized( clients )
{
- System.out.println( "There is no client connected." ) ;
- } else if( clients.size() == 1 ) {
- System.out.println( "There is one client connected." ) ;
- } else {
- System.out.println( "There are " + clients.size() + " clients connected." ) ;
+ if( clients.size() == 0 )
+ {
+ System.out.println( "There is no client connected." ) ;
+ } else if( clients.size() == 1 ) {
+ System.out.println( "There is one client connected." ) ;
+ } else {
+ System.out.println( "There are " + clients.size() + " clients connected." ) ;
+ }
}
}
} catch( RemoteException e ) {
System.err.println( "Unable to invoke emergency stop signal on " + clients.get( i ).getName() ) ;
e.printStackTrace() ;
+ yield() ;
}
}
}
counter.wait() ;
} catch( InterruptedException e ) {
e.printStackTrace() ;
+ yield() ;
}
}
}
- for( int i = 0 ; i < applications.get(0).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
- final ServicesClient sc = applications.get(0).getComputingClients().get( i ).getClient().getStub() ;
+ applications.get( ind ).getComputingClients().get( i ).setRestartOk( false ) ;
- applications.get( 0 ).getComputingClients().get( i ).setRestartOk( false ) ;
+ final ServicesClient sc = applications.get( ind ).getComputingClients().get( i ).getClient().getStub() ;
new Thread( new Runnable() {
sc.restartVMAfterCrash() ;
} catch( RemoteException e ) {
e.printStackTrace() ;
+ yield() ;
}
}
} ).start() ;
Thread.sleep( 2000 ) ;
} catch( InterruptedException e ) {
e.printStackTrace() ;
+ yield() ;
}
}
}
try {
computingClients.get( i ).getClient().getStub().saveOk() ;
} catch (RemoteException e) {
- e.printStackTrace();
+ System.err.println( "Unable to invoke the saveOk method on " + computingClients.get( i ).getClient().getName() ) ;
+ e.printStackTrace() ;
}
computingClients.get( i ).setSaveStatus( false ) ;
}
- applications.get( 0 ).setLastSaveDate( System.currentTimeMillis() ) ;
+ applications.get( ind ).setLastSaveDate( System.currentTimeMillis() ) ;
}
return 0 ;
if( computingClients.get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
{
computingClients.get( i ).setLastSave( _saveName ) ;
- System.out.println( "Save name successfully change for " + _ip ) ;
+ System.out.println( "Save name successfully changed on " + computingClients.get( i ).getClient().getName() ) ;
return 0 ;
}
}
+
+ System.err.println( "Unable to found computing client with IP " + _ip + "!" ) ;
+ return 1 ;
}
+ System.err.println( "Unable to change save name. IP or save name empty ! (IP: " + _ip + " ; save name: " + _saveName +")" ) ;
+
return 1 ;
}
+
@Override
public ArrayList<ServicesClient> startApplication( int _nb )
{
int nb = clients.size() - computingClients.size() ;
- if( nb > _nb )
+ if( nb > _nb && ! running )
{
- ArrayList<ServicesClient> ac = new ArrayList<ServicesClient>() ;
- ArrayList<ComputingClient> tmp = new ArrayList<ComputingClient>() ;
+ running = true ;
+
+ final ArrayList<ServicesClient> ac = new ArrayList<ServicesClient>() ;
+ final ArrayList<ComputingClient> tmp = new ArrayList<ComputingClient>() ;
RunningApplication app = new RunningApplication( "Test" ) ;
int i = 0 ;
+ boolean ok ;
while( i < clients.size() && ac.size() < _nb )
{
- if( clients.get(i).getStatus().equalsIgnoreCase( "connected" ) )
+ ok = false ;
+ if( clients.get( i ).getStatus().equalsIgnoreCase( "connected" ) )
{
- int res = 1 ;
- try {
- res = clients.get( i ).getStub().startVM( 0 ) ;
- } catch( RemoteException e ) {
- e.printStackTrace();
+ synchronized( startingClients )
+ {
+ while( ac.size() + startingClients.getNb() >= _nb )
+ {
+ if( ac.size() == _nb ) break ;
+
+ try {
+ startingClients.wait() ;
+ } catch( InterruptedException e ) {
+ e.printStackTrace() ;
+ }
+ }
+
+ if( ac.size() < _nb )
+ {
+ startingClients.inc() ;
+ ok = true ;
+ }
}
- if( res == 0 )
+ if( ok )
{
- ac.add( clients.get( i ).getStub() ) ;
- clients.get( i ).setStatus( "running" ) ;
- ComputingClient cl = new ComputingClient( clients.get( i ) ) ;
- clients.get( i ).setComputingClient( cl ) ;
- computingClients.add( cl ) ;
- tmp.add( cl ) ;
- } else {
- System.err.println( "Problem while launching the VM on "
- + clients.get(i).getName() + "!" ) ;
+ synchronized( limitThread )
+ {
+ while( limitThread.getNb() >= maxThread )
+ {
+ try {
+ limitThread.wait() ;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+ limitThread.inc() ;
+ }
+
+ final int indice = i ;
+ new Thread( new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ int res = 1 ;
+ try {
+ res = clients.get( indice ).getStub().startVM( 0 ) ;
+ } catch( RemoteException e ) {
+ e.printStackTrace() ;
+ }
+
+ if( res == 0 )
+ {
+ ac.add( clients.get( indice ).getStub() ) ;
+ clients.get( indice ).setStatus( "running" ) ;
+ ComputingClient cl = new ComputingClient( clients.get( indice ) ) ;
+ clients.get( indice ).setComputingClient( cl ) ;
+ computingClients.add( cl ) ;
+ tmp.add( cl ) ;
+ } else {
+ System.err.println( "Problem while launching the VM on "
+ + clients.get( indice ).getName() + "!" ) ;
+ }
+
+ synchronized( limitThread )
+ {
+ limitThread.dec() ;
+ limitThread.notifyAll() ;
+ }
+
+ synchronized( startingClients )
+ {
+ startingClients.dec() ;
+ startingClients.notifyAll() ;
+ }
+ }
+ }).start() ;
}
}
{
app.setComputingClients( tmp ) ;
app.setRunning( true ) ;
- app.setStartTime( System.currentTimeMillis() ) ;
+// app.setStartTime( System.currentTimeMillis() ) ;
int index, index2 ;
/* Choosing save neighbors */
applications.add( app ) ;
+ ind = applications.indexOf( app ) ;
+
return ac ;
}
{
if( applications.size() > 0 && _ip != null && _ip.length() > 0 )
{
- if( (System.currentTimeMillis() - applications.get( 0 ).getLastSaveDate()) > save_interleave )
+ if( (System.currentTimeMillis() - applications.get( ind ).getLastSaveDate()) > save_interleave )
{
// Mark it as a requester
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
- if( applications.get( 0 ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
+ if( applications.get( ind ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
{
- applications.get( 0 ).getComputingClients().get( i ).setSaveRequest( true ) ;
+ applications.get( ind ).getComputingClients().get( i ).setSaveRequest( true ) ;
break ;
}
// Is every body ok?
boolean ok = false ;
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
if( i == 0 )
{
- ok = applications.get( 0 ).getComputingClients().get( i ).getSaveRequest() ;
+ ok = applications.get( ind ).getComputingClients().get( i ).getSaveRequest() ;
} else {
- ok = ok & applications.get( 0 ).getComputingClients().get( i ).getSaveRequest() ;
+ ok = ok & applications.get( ind ).getComputingClients().get( i ).getSaveRequest() ;
}
if( ! ok )
// e1.printStackTrace() ;
// }
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
try {
- applications.get( 0 ).getComputingClients().get( i ).getClient().getStub().responseSave( true ) ;
- applications.get( 0 ).getComputingClients().get( i ).setSaveRequest( false ) ;
+ applications.get( ind ).getComputingClients().get( i ).getClient().getStub().responseSave( true ) ;
+ applications.get( ind ).getComputingClients().get( i ).setSaveRequest( false ) ;
} catch( RemoteException e ) {
System.err.println( "Unable to send the save request response to " +
- applications.get( 0 ).getComputingClients().get( i ).getClient().getName() + "!" ) ;
+ applications.get( ind ).getComputingClients().get( i ).getClient().getName() + "!" ) ;
e.printStackTrace() ;
}
}
- applications.get( 0 ).setLastSaveDate( System.currentTimeMillis() ) ;
+ applications.get( ind ).setLastSaveDate( System.currentTimeMillis() ) ;
}
} else {
semaSave.release() ;
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
- if( applications.get( 0 ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
+ if( applications.get( ind ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
{
try {
- applications.get( 0 ).getComputingClients().get( i ).getClient().getStub().responseSave( false ) ;
+ applications.get( ind ).getComputingClients().get( i ).getClient().getStub().responseSave( false ) ;
} catch( RemoteException e ) {
System.err.println( "Unable to send the save request response to " +
- applications.get( 0 ).getComputingClients().get( i ).getClient().getName() + "!" ) ;
+ applications.get( ind ).getComputingClients().get( i ).getClient().getName() + "!" ) ;
e.printStackTrace() ;
}
break ;
{
if( applications.size() > 0 && _ip != null && _ip.length() > 0 )
{
- System.out.println( "Client " + _ip + " has finished to restart ("+applications.get(0).getComputingClients().size()+") ... " ) ;
- if( (System.currentTimeMillis() - applications.get( 0 ).getLastSaveDate()) > save_interleave )
+ System.out.println( "Client " + _ip + " has finished to restart ("+applications.get( ind ).getComputingClients().size()+") ... " ) ;
+// if( (System.currentTimeMillis() - applications.get( ind ).getLastSaveDate()) > save_interleave )
{
// Has it already finished?
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
- if( applications.get( 0 ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
+ if( applications.get( ind ).getComputingClients().get( i ).getClient().getIP().equalsIgnoreCase( _ip ) )
{
- applications.get( 0 ).getComputingClients().get( i ).setRestartOk( true ) ;
+ applications.get( ind ).getComputingClients().get( i ).setRestartOk( true ) ;
break ;
}
}
- // Is every body ok?
+ // Is everybody ok?
boolean ok = false ;
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
if( i == 0 )
{
- ok = applications.get( 0 ).getComputingClients().get( i ).getRestartOk() ;
+ ok = applications.get( ind ).getComputingClients().get( i ).getRestartOk() ;
} else {
- ok = ok & applications.get( 0 ).getComputingClients().get( i ).getRestartOk() ;
+ ok = ok & applications.get( ind ).getComputingClients().get( i ).getRestartOk() ;
}
if( ! ok )
if( ok )
{
- applications.get( 0 ).setLastSaveDate( System.currentTimeMillis() ) ;
+ applications.get( ind ).setLastSaveDate( System.currentTimeMillis() ) ;
- for( int i = 0 ; i < applications.get( 0 ).getComputingClients().size() ; i++ )
+ for( int i = 0 ; i < applications.get( ind ).getComputingClients().size() ; i++ )
{
- applications.get( 0 ).getComputingClients().get( i ).setRestartOk( false ) ;
+ applications.get( ind ).getComputingClients().get( i ).setRestartOk( false ) ;
}
}
}
}
+
+ @Override
+ public void goApplication()
+ {
+ synchronized( applications ) {
+ if( running && applications.get( ind ).getStartTime() != 0 )
+ {
+ applications.get( ind ).setStartTime( System.currentTimeMillis() ) ;
+ applications.get( ind ).setLastSaveDate( System.currentTimeMillis() ) ;
+ }}
+ }
+
@Override
public void endApplication()
{
- Iterator<ComputingClient> it = computingClients.iterator() ;
-
- while( it.hasNext() )
+ synchronized( applications )
{
- ComputingClient cl = it.next() ;
+ if( running )
+ {
+ Iterator<ComputingClient> it = computingClients.iterator() ;
+
+ while( it.hasNext() )
+ {
+ ComputingClient cl = it.next() ;
- try {
- cl.getClient().getStub().emergencyStop() ;
- } catch (RemoteException e) {
- e.printStackTrace();
- }
+ try {
+ cl.getClient().getStub().emergencyStop() ;
+ } catch (RemoteException e) {
+ e.printStackTrace();
+ }
- cl.getClient().setStatus( "connected" ) ;
- cl.getClient().setComputingClient( null ) ;
- it.remove() ;
- cl = null ;
- }
-
- applications.get( 0 ).setEndTime( System.currentTimeMillis() ) ;
- applications.get( 0 ).setRunning( false ) ;
- applications.get( 0 ).clear() ;
+ cl.getClient().setStatus( "connected" ) ;
+ cl.getClient().setComputingClient( null ) ;
+ it.remove() ;
+ cl = null ;
+ }
+ applications.get( ind ).setEndTime( System.currentTimeMillis() ) ;
+ applications.get( ind ).setRunning( false ) ;
+ applications.get( ind ).clear() ;
+// applications.remove( ind ) ;
+
+ running = false ;
+
+ System.out.println( "Application " + applications.get( ind ).getName() + " ends in " +
+ applications.get( ind ).getExecutionTime() + " seconds." ) ;
+ }}
}
}
- public Integer deployVM( String _name, String _archive, String _directory )
+ public Integer deployVM( final String _name, final String _archive, final String _directory )
{
- int pb = -1 ;
- int nb = 0 ;
+ int nb = 0, pb = 0 ;
if( _name != null && _name.length() > 0 && _archive != null && _name.length() > 0
&& _directory != null && _directory.length() > 0 )
file = null ;
// TODO do a better deployment !!
- int ret ;
- boolean error ;
+// int ret ;
+// boolean error, ok, server ;
+// ArrayList<ConnectedClient> deployed = new ArrayList<ConnectedClient>() ;
- pb = 0 ;
+// boolean server = true ;
+// boolean ok ;
for( int i = 0 ; i < clients.size() ; i++ )
{
- ret = 1 ;
- error = false ;
+// ret = 1 ;
+ nb++ ;
+// error = false ;
+// ok = false ;
if( clients.get( i ).getStatus().equalsIgnoreCase( "connected" ) )
- {
- try {
- ret = clients.get( i ).getStub().deployVM( _name, _archive, _directory ) ;
- } catch( RemoteException e ) {
- System.err.println( "Unable to deploy the VM on " + clients.get( i ).getName() + "!" ) ;
- e.printStackTrace() ;
+ {
+ synchronized( limitThread )
+ {
+ while( limitThread.getNb() >= maxThread )
+ {
+ try {
+ limitThread.wait() ;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+ limitThread.inc() ;
}
- // The client does not have the archive, we have to send it.
- if( ret == 2 )
- {
- System.out.print( "Sending VM archive to " + clients.get( i ).getName() + " ... " ) ;
+ final int indice = i ;
+ new Thread( new Runnable() {
+
+ @Override
+ public void run() {
+ int ret = -1 ;
+ boolean error = true ;
+
+ try {
+ ret = clients.get( indice ).getStub().deployVM( _name, _archive, _directory ) ;
+ } catch( RemoteException e ) {
+ System.err.println( "Unable to deploy the VM on " + clients.get( indice ).getName() + "!" ) ;
+ e.printStackTrace() ;
+ }
- String wd = "" ;
- String snIP = "" ;
- error = false ;
+ // The client does not have the archive, we have to send it.
+ if( ret == 2 )
+ {
+ // Attention au multi-envois !!!
+ System.out.print( "Sending VM archive to " + clients.get( indice ).getName() + " ... " ) ;
- try {
- wd = clients.get( i ).getStub().getWorkingDirectory() ;
- snIP = clients.get( i ).getStub().getIPHost() ;
- } catch (RemoteException e2) {
- System.err.println( "Unable to retrieve information on " + clients.get( i ).getName() + "!" ) ;
- e2.printStackTrace() ;
- error = true ;
- pb++ ;
- }
+ String wd = "" ;
+ String snIP = "" ;
+ error = false ;
+
+ try {
+ wd = clients.get( indice ).getStub().getWorkingDirectory() ;
+ snIP = clients.get( indice ).getStub().getIPHost() ;
+ } catch (RemoteException e2) {
+ System.err.println( "Unable to retrieve information on " + clients.get( indice ).getName() + "!" ) ;
+ e2.printStackTrace() ;
+ error = true ;
+ }
- String[] command = new String[]{ "/usr/bin/scp", working_directory + "/" + _archive,
- snIP + ":" + wd } ;
+ String[] command = new String[]{ "/usr/bin/scp", working_directory + "/" + _archive,
+ snIP + ":" + wd } ;
- if( ! error )
- {
- try {
- Process proc = Runtime.getRuntime().exec( command ) ;
- proc.waitFor() ;
-
- if( proc.exitValue() == 0 )
+ if( ! error )
{
- System.out.println( "Initial VM archive successfully sent." ) ;
- } else {
- System.err.println( "Initial VM archive not sent!" ) ;
- System.err.println( "Error: " + proc.exitValue() ) ;
- BufferedReader b = new BufferedReader( new InputStreamReader( proc.getErrorStream() ) ) ;
-
- String l ;
try {
- while( (l = b.readLine()) != null )
+ Process proc = Runtime.getRuntime().exec( command ) ;
+ proc.waitFor() ;
+
+ if( proc.exitValue() == 0 )
{
- System.err.println( l ) ;
+ System.out.println( "Initial VM archive successfully sent." ) ;
+ } else {
+ System.err.println( "Initial VM archive not sent!" ) ;
+ System.err.println( "Error: " + proc.exitValue() ) ;
+ BufferedReader b = new BufferedReader( new InputStreamReader( proc.getErrorStream() ) ) ;
+
+ String l ;
+ try {
+ while( (l = b.readLine()) != null )
+ {
+ System.err.println( l ) ;
+ }
+ } catch( IOException e ) {
+ e.printStackTrace() ;
+ }
+
+ error = true ;
}
} catch( IOException e ) {
+ System.err.println( "Error during initial VM archive send command: " ) ;
e.printStackTrace() ;
+ error = true ;
+ } catch( InterruptedException e ) {
+ e.printStackTrace() ;
+ error = true ;
}
-
- error = true ;
- pb++ ;
}
- } catch( IOException e ) {
- System.err.println( "Error during initial VM archive send command: " ) ;
- e.printStackTrace() ;
- error = true ;
- pb++ ;
- } catch( InterruptedException e ) {
- e.printStackTrace() ;
- error = true ;
- pb++ ;
- }
- }
-
- if( error )
- {
- continue ;
- }
+
+ if( ! error )
+ {
+ // Second try ...
+ ret = 1 ;
+ try {
+ ret = clients.get( indice ).getStub().deployVM( _name, _archive, _directory ) ;
+ } catch( RemoteException e ) {
+ System.err.println( "Unable to deploy the VM on " + clients.get( indice ).getName() + "!" ) ;
+ e.printStackTrace() ;
+ }
+ }
+ }
- // Second try ...
- ret = 1 ;
- try {
- ret = clients.get( i ).getStub().deployVM( _name, _archive, _directory ) ;
- } catch( RemoteException e ) {
- System.err.println( "Unable to deploy the VM on " + clients.get( i ).getName() + "!" ) ;
- e.printStackTrace() ;
- pb++ ;
+ if( ret == 0 )
+ {
+ System.out.println( "Initial VM archive successfully deployed on " + clients.get( indice ).getName() + "." ) ;
+
+ synchronized( deployingClients )
+ {
+ deployingClients.inc() ;
+ }
+ }
+
+ synchronized( limitThread )
+ {
+ limitThread.dec() ;
+ limitThread.notifyAll() ;
+ }
}
- }
-
- if( ret == 0 )
- {
- System.out.println( "Initial VM archive successfully deployed on " + clients.get( i ).getName() + "." ) ;
- nb++ ;
- }
+ }).start() ;
}
}
}
- if( pb > 0 )
+ synchronized( limitThread )
+ {
+ while( limitThread.getNb() > 0 )
+ {
+ try {
+ limitThread.wait() ;
+ } catch( InterruptedException e ) {
+ e.printStackTrace() ;
+ }
+ }
+ }
+
+ if( nb - deployingClients.getNb() > 0 )
{
if( pb == 1 )
System.err.println( "** " + pb + " machine is not deployed!" ) ;
return working_directory ;
}
+
+ private class OperatingClients
+ {
+ private int nb ;
+
+ OperatingClients() { nb = 0 ; }
+
+ protected void inc() { nb++ ; }
+
+ protected void dec() { nb-- ; }
+
+ protected int getNb() { return nb ; }
+ }
+
+
+ private class LimitThread
+ {
+ private int nb ;
+
+ LimitThread() { nb = 0 ; }
+
+ protected void inc() { nb++ ; }
+
+ protected void dec() { nb-- ; }
+
+ protected int getNb() { return nb ; }
+ }
+
}
/** La programmation est un art, respectons ceux qui la pratiquent !! **/