private void ProcessServiceItems(bool changeState, bool enabled,
int serviceId, List <ServiceProviderItem> items)
{
string methodName = changeState ? "ChangeServiceItemsState" : "DeleteServiceItems";
int PACKET_SIZE = 10;
int ATTEMPTS = 3;
TaskManager.Write(String.Format("Start analyze {0} service ({1} items)",
serviceId, items.Count));
try
{
// convert items to SoapObjects by packets of 0
int startItem = 0;
List <SoapServiceProviderItem> objItems = new List <SoapServiceProviderItem>();
for (int i = 0; i < items.Count; i++)
{
// add to the packet
objItems.Add(SoapServiceProviderItem.Wrap(items[i]));
if (((i > 0) && (i % PACKET_SIZE == 0)) ||
i == (items.Count - 1)) // packet is ready
{
if (objItems.Count == 0)
{
continue;
}
int attempt = 0;
bool success = false;
while (attempt < ATTEMPTS)
{
// increment attempt
attempt++;
try
{
// send packet for calculation
// invoke service provider
TaskManager.Write(String.Format("Invoke {0} method ('{1}' - '{2}' items) - {3} attempt",
methodName, items[startItem].Name, items[i].Name, attempt));
ServiceProvider prov = new ServiceProvider();
ServiceProviderProxy.Init(prov, serviceId);
if (changeState)
{
prov.ChangeServiceItemsState(objItems.ToArray(), enabled);
}
else
{
if (items[i] is VirtualMachine)
{
VirtualizationServerController2012.CheckCustomPsScript(VirtualizationServerController2012.PsScriptPoint.before_deletion, (VirtualMachine)items[i]);
}
prov.DeleteServiceItems(objItems.ToArray());
}
// exit from the loop
success = true;
break;
}
catch (Exception ex)
{
TaskManager.WriteWarning(ex.ToString());
}
}
if (!success)
{
throw new Exception("The number of attemtps has been reached. The whole operation aborted.");
}
// reset packet counter
startItem = i + 1;
objItems.Clear();
}
} // end for items
}
catch (Exception ex)
{
// log exception
TaskManager.WriteWarning(ex.ToString());
}
TaskManager.Write(String.Format("End analyze {0} service ({1} items)",
serviceId, items.Count));
}