public static void OnTimeoutNotificationReceived(Action_OperationTimeout _Notification)
{
lock (InterruptableWebServiceProcessors)
{
foreach (var ProcessorWeakPtr in InterruptableWebServiceProcessors)
{
if (ProcessorWeakPtr.TryGetTarget(out WebServiceBaseTimeoutableProcessor Processor))
{
foreach (var TimeoutStructure in Processor.RelevantTimeoutStructures)
{
if (TimeoutStructure.Equals(_Notification))
{
Processor.TimeoutOccurred();
break;
}
}
}
}
}
}
//In case of false return, operation shall be cancelled with an internal error.
public bool GetClearanceForDBOperation(WebServiceBaseTimeoutableProcessor _ServiceProcessor, string _DBTableName, string _Identifier, Action <string> _ErrorMessageAction = null)
{
if (!_ServiceProcessor.IsDoNotGetDBClearanceSet())
{
return(true);
}
var CreatedAction = new Action_OperationTimeout(_DBTableName, _Identifier);
lock (_ServiceProcessor.RelevantTimeoutStructures)
{
bool bFound = false;
foreach (var CTS in _ServiceProcessor.RelevantTimeoutStructures)
{
if (CTS.Equals(CreatedAction))
{
CreatedAction = CTS;
bFound = true;
break;
}
}
if (!bFound)
{
_ServiceProcessor.RelevantTimeoutStructures.Add(CreatedAction);
}
}
var MemoryEntryValue = ATOMIC_DB_OP_CTRL_MEM_PREFIX + _DBTableName + "-" + _Identifier;
if (_ServiceProcessor.IsUseQueueSetClearanceActionsSet() &&
_ServiceProcessor.TryRemoveSetClearanceAwaitItem(MemoryEntryValue))
{
return(true);
}
int TrialCounter = 0;
bool bResult;
do
{
bResult = MemoryService.SetKeyValueConditionally(
QueryParameters,
new Tuple <string, BPrimitiveType>(MemoryEntryValue, new BPrimitiveType("busy")),
_ErrorMessageAction);
if (!bResult)
{
Thread.Sleep(1000);
}
}while (!bResult && TrialCounter++ < TIMEOUT_TRIAL_SECONDS);
if (TrialCounter >= TIMEOUT_TRIAL_SECONDS)
{
_ErrorMessageAction?.Invoke("Atomic DB Operation Controller->GetClearanceForDBOperation: A timeout has occured for operation type " + _DBTableName + ", for ID " + _Identifier + ", existing operation has been overriden by the new request.");
Manager_PubSubService.Get().PublishAction(Actions.EAction.ACTION_OPERATION_TIMEOUT, JsonConvert.SerializeObject(new Action_OperationTimeout()
{
TableName = _DBTableName,
EntryKey = _Identifier
}),
_ErrorMessageAction);
//Timeout for other operation has occured.
return(MemoryService.SetKeyValue(QueryParameters, new Tuple <string, BPrimitiveType>[]
{
new Tuple <string, BPrimitiveType>(MemoryEntryValue, new BPrimitiveType("busy"))
},
_ErrorMessageAction));
}
return(true);
}
