public void Prepare(Delta delta)
{
Console.WriteLine("Pozvan je prepare na NMS-u");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
try
{
UpdateResult updateResult = gda.ApplyUpdate(delta);
if (updateResult.Result == ResultType.Succeeded)
{
callback.CallbackPrepare(true);
}
else
{
//Rollback();
callback.CallbackPrepare(false);
}
}
catch (Exception ex)
{
//Rollback();
callback.CallbackPrepare(false); // problematicno ako se desi exception u pozivu, nece se uhvatiti
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Check if there is ANY free space in controller; at this point we do not know if delta will contain 1 or 10 measurements (analog or/and digital)
/// so we only check if is it possible to add minimal memory occupying element
/// </summary>
public void Enlist()
{
Console.WriteLine("\nTransaction started -> \nPozvan je Enlist na SCADA");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
bool isSuccessfull = false;
// at this point, we will only check if there is a free space for any DIGITALS or any ANALOGS
var availableRtus = dbContext.GettAllRTUs().Values.Where(r => r.FreeSpaceForDigitals == true ||
r.FreeSpaceForAnalogs == true).ToList();
if (availableRtus.Count != 0)
{
isSuccessfull = true;
}
try
{
callback.CallbackEnlist(isSuccessfull);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
//callback.CallbackEnlist(false);
}
}
public void Enlist()
{
Console.WriteLine("Pozvan je enlist na DMS-u");
oldTree = DMS.Hosts.DMSServiceHost.Instance.Tree;
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
callback.CallbackEnlist(true);
}
public void Rollback()
{
Console.WriteLine("Pozvan je RollBack na DMSu");
newTree = null;
DMSServiceHost.Instance.Tree = oldTree;
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
callback.CallbackRollback("Something went wrong on DMS");
}
public void Rollback()
{
Console.WriteLine("Pozvan je RollBack na NMSu");
GenericDataAccess.NewNetworkModel = null;
GenericDataAccess.NetworkModel = GenericDataAccess.OldNetworkModel;
ResourceIterator.NetworkModel = GenericDataAccess.OldNetworkModel;
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
callback.CallbackRollback("Something went wrong on NMS");
}
/// <summary>
/// Returning to old config file, initialize database again (deserializing from file)
/// </summary>
public void Rollback()
{
Console.WriteLine("Pozvan je Rollback na SCADA");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
ScadaModelParser parser = new ScadaModelParser();
//parser.SwapConfigs(newConfigFile, currentConfigFile);
parser.DeserializeScadaModel(); // returning to old state (changed in apply delta)
callback.CallbackRollback("Something went wrong on SCADA");
}
/// <summary>
/// Setting Configuration to new file.
/// </summary>
public void Commit()
{
Console.WriteLine("Pozvan je Commit na SCADA");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
ScadaModelParser parser = new ScadaModelParser();
// to do check this
//parser.SwapConfigs(currentConfigFile, modifiedConfigFile);
callback.CallbackCommit("Commited on SCADA");
}
public void Commit()
{
Console.WriteLine("Pozvan je Commit na NMS-u");
if (GenericDataAccess.NewNetworkModel != null)
{
GenericDataAccess.NetworkModel = GenericDataAccess.NewNetworkModel;
ResourceIterator.NetworkModel = GenericDataAccess.NewNetworkModel;
}
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
callback.CallbackCommit("Uspjesno je prosao commit na NMS-u");
}
public void Enlist()
{
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
Console.WriteLine("Pozvan je enlist na NMS-u");
try
{
gda.GetCopyOfNetworkModel();
callback.CallbackEnlist(true);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
callback.CallbackEnlist(false);
}
}
public void Prepare(Delta delta)
{
Console.WriteLine("Pozvan je prepare na DMS-u");
newTree = DMSServiceHost.Instance.InitializeNetwork(delta);
DMSServiceHost.updatesCount += 1;
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
if (newTree.Data.Values.Count != 0)
{
callback.CallbackPrepare(true);
}
else
{
callback.CallbackPrepare(false);
}
}
public void Commit()
{
Console.WriteLine("Pozvan je Commit na DMS-u");
DMSServiceHost.Instance.Tree = newTree;
if (DMSServiceHost.updatesCount >= 2)
{
Publisher publisher = new Publisher();
List <UIUpdateModel> update = new List <UIUpdateModel>();
Source s = (Source)DMSServiceHost.Instance.Tree.Data[DMSServiceHost.Instance.Tree.Roots[0]];
update.Add(new UIUpdateModel(true, s.ElementGID));
//publisher.PublishUpdateDigital(update);
}
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
callback.CallbackCommit("Uspjesno je prosao commit na DMS-u");
}
/// <summary>
/// Trying to apply, APPLYING if it is possible, and write new configuration to new file
/// </summary>
/// <param name="delta"></param>
public void Prepare(ScadaDelta delta)
{
Console.WriteLine("Pozvan je Prepare na SCADA");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
if (dbContext.ApplyDelta(delta))
{
try
{
ScadaModelParser parser = new ScadaModelParser();
// to do:
// mozda ove serijaliyacije da budu taskovi_
// novu konfiguraciju cuvamo u fajlu
parser.SerializeScadaModel(modifiedConfigFile);
Console.WriteLine("Prepare true");
callback.CallbackPrepare(true);
}
catch (Exception ex)
{
ScadaModelParser parser = new ScadaModelParser();
parser.DeserializeScadaModel(); // returning to old state (state was previosuly changed in apply delta)
Console.WriteLine(ex.Message);
Console.WriteLine("1Prepare false");
callback.CallbackPrepare(false);
}
}
else
{
ScadaModelParser parser = new ScadaModelParser();
parser.DeserializeScadaModel(); // returning to old state (state was previosuly changed in apply delta)
Console.WriteLine("2Prepare false");
callback.CallbackPrepare(false);
}
}
