private bool checkAlarmTimeWindow(AlarmRuleCatalogEngine arcEngine, DateTime msgTimestamp)
{
if (arcEngine.Triggered)
{
if (arcEngine.AlarmRuleCatalog.KeepHappenInSec <= 0)
{
arcEngine.LastTriggerTime = msgTimestamp;
return(true);// Always triggered
}
else
{
DateTime nextAcceptableTime = arcEngine.LastTriggerTime.AddSeconds(arcEngine.AlarmRuleCatalog.KeepHappenInSec);
int result = DateTime.Compare(msgTimestamp, nextAcceptableTime);
if (result > 0)
{
// the message timestamp is later than the next accpetable time
arcEngine.LastTriggerTime = msgTimestamp;
return(true);
}
else
{
return(false);
}
}
}
else
{
arcEngine.Triggered = true;
arcEngine.LastTriggerTime = msgTimestamp;
return(true);
}
}
private Dictionary <int, List <AlarmRuleCatalogEngine> > findAllMessageAlarmRules(string iotHubAlias)
{
Dictionary <int, List <AlarmRuleCatalogEngine> > messageIdAlarmRules = new Dictionary <int, List <AlarmRuleCatalogEngine> >();
SFDatabaseEntities dbEntity = new SFDatabaseEntities();
var L2Enty = from c in dbEntity.IoTDevice
join msgCatalog in dbEntity.IoTDeviceMessageCatalog on c.IoTHubDeviceID equals msgCatalog.IoTHubDeviceID
where c.IoTHubAlias == iotHubAlias && msgCatalog.MessageCatalog.DeletedFlag == false
select msgCatalog.MessageCatalog;
List <MessageCatalog> mcList = L2Enty.Distinct().ToList <MessageCatalog>();
foreach (MessageCatalog mc in mcList)
{
List <AlarmRuleCatalogEngine> arcEngineList = new List <AlarmRuleCatalogEngine>();
foreach (AlarmRuleCatalog arc in mc.AlarmRuleCatalog)
{
if (arc.DeletedFlag == false && arc.ActiveFlag == true)
{
ConsoleLog.WriteMessageAlarmLogToConsole("AlarmRuleCatalogId={0}", arc.Id);
AlarmRuleCatalogEngine are = new AlarmRuleCatalogEngine();
are.AlarmRuleCatalogId = arc.Id;
are.AlarmRuleCatalog = arc;
are.RuleEngineItems = createRuleEngineItem(arc.Id);
are.LastTriggerTime = new DateTime(2017, 1, 1);
are.Triggered = false;
arcEngineList.Add(are);
}
}
messageIdAlarmRules.Add(mc.Id, arcEngineList);
}
return(messageIdAlarmRules);
}
