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);
}
}
}
}
}
