void worker_DoWork(object sender, DoWorkEventArgs e)
{
lock (_lock)
{
Program.Invoke(this, () =>
{
dataGridView1.Rows.Clear();
progressBar1.Value = 0;
});
RevertActions.Clear();
List<KeyValuePair<string, List<Check>>> checks = GenerateChecks();
_numberChecks = checks.Count;
for (int i = 0; i < checks.Count; i++)
{
List<Check> checkGroup = checks[i].Value;
DataGridViewRow row =
new PreCheckHeaderRow(string.Format(Messages.DR_WIZARD_PRECHECKPAGE_HEADER, i + 1,
checks.Count, checks[i].Key));
_worker.ReportProgress(5, row);
Session metadataSession = null;
// execute checks
for (int j = 0; j < checkGroup.Count; j++)
{
if (_worker.CancellationPending)
{
e.Cancel = true;
return;
}
Check check = checkGroup[j];
// special case - AssertCanBeRecoveredCheck - we need to open the metadata database
if (check is AssertCanBeRecoveredCheck)
{
AssertCanBeRecoveredCheck thisCheck = check as AssertCanBeRecoveredCheck;
AssertCanBeRecoveredCheck prevCheck = j > 0
? checkGroup[j - 1] as
AssertCanBeRecoveredCheck
: null;
if (prevCheck == null || prevCheck.Vdi.uuid != thisCheck.Vdi.uuid)
{
// close previous metadata session
if (metadataSession != null)
metadataSession.logout();
// open metadata database
VdiOpenDatabaseAction action = new VdiOpenDatabaseAction(Connection,
((AssertCanBeRecoveredCheck
)checkGroup[0]).Vdi);
action.RunExternal(action.Session);
if (action.Succeeded && action.MetadataSession != null)
metadataSession = action.MetadataSession;
}
// run check
if (metadataSession != null)
{
thisCheck.MetadataSession = metadataSession;
row = ExecuteCheck(thisCheck);
_worker.ReportProgress(PercentageSelectedObjects(j + 1), row);
// close metadata session if this is the last check
if (j == checkGroup.Count - 1)
metadataSession.logout();
}
}
else
{
row = ExecuteCheck(check);
_worker.ReportProgress(PercentageSelectedObjects(j + 1), row);
}
}
}
}
}
List<AsyncAction> CreateSubActionsFor(PoolMetadata poolMetadata)
{
log.DebugFormat("Generating recovery actions from pool {0} (VDI {1})", poolMetadata.Pool.Name, poolMetadata.Vdi.Name);
List<AsyncAction> subActions = new List<AsyncAction>();
VdiOpenDatabaseAction openDatabaseAction = new VdiOpenDatabaseAction(Connection, poolMetadata.Vdi);
openDatabaseAction.Completed += OpenDatabaseActionCompleted;
subActions.Add(openDatabaseAction);
foreach (var vmAppliance in poolMetadata.VmAppliances.Values)
{
DrRecoverAction drRecoverAction = new DrRecoverAction(Connection, vmAppliance);
drRecoverAction.Completed += SingleRecoverActionCompleted;
drRecoverAction.Changed += SingleRecoverActionChanged;
subActions.Add(drRecoverAction);
dataGridView1.Rows.Add(new DataGridViewRowRecover(vmAppliance));
objectsToBeRecovered++;
}
foreach (var vm in poolMetadata.Vms.Values)
{
if (vm.appliance.opaque_ref != null && vm.appliance.opaque_ref.StartsWith("OpaqueRef:") && vm.appliance.opaque_ref != "OpaqueRef:NULL")
{
//VM included in an appliance
continue;
}
DrRecoverAction drRecoverAction = new DrRecoverAction(Connection, vm);
drRecoverAction.Completed += SingleRecoverActionCompleted;
drRecoverAction.Changed += SingleRecoverActionChanged;
subActions.Add(drRecoverAction);
dataGridView1.Rows.Add(new DataGridViewRowRecover(vm));
objectsToBeRecovered++;
}
log.DebugFormat("Done - {0} actions generated", subActions.Count);
return subActions;
}