/// <summary>
/// Calling this routine acknowledges an individual alarm
/// </summary>
/// <param name="myEventID"></param>
/// <returns></returns>
async public Task BeginAlarmAcknowledge(int myEventId)
{
// Find the event we are acknowledging.
IEnumerable <IEventItem> query = null;
using (var releaser = await _lock.ReaderLockAsync())
{
query = from item in this
where item.EventId == myEventId
select item;
}
// If we have found the trigger event, then build the acknowledge event
if (query.Count <IEventItem>() > 0)
{
IEventItem triggerEvent = query.First <IEventItem>();
IEventItem acknowledgedEvent = new EventItem(triggerEvent.SensorId);
acknowledgedEvent.EventPriority = 0;
acknowledgedEvent.EventCode = EventCode.AlarmAcknowledged;
acknowledgedEvent.Value = 0;
await this.BeginAddEvent(acknowledgedEvent, true);
// if this event has triggered an alarm, cancel that alarm.
AlarmAudio.CancelAlarm(triggerEvent.EventId);
}
}
/// <summary>
/// Add an event, and send email if appropriate
/// </summary>
/// <param name="myEventItem"></param>
/// <param name="bRaiseEvent"></param>
async public Task BeginAddEvent(IEventItem myEventItem, bool bRaiseEvent)
{
await myEventItem.BeginCommit();
Debug.Assert(myEventItem.EventId > 0);
// If the alarm is turned on, then add it to the list. If the alarm was turned off,
// the delete it from the list.
if (myEventItem.IsAlarmOn)
{
using (var releaser = await _lock.WriterLockAsync())
{
_alarmOnList.Add(myEventItem);
}
await AlarmAudio.PlayAlarm(false, myEventItem.EventId);
}
using (var releaser = await _lock.WriterLockAsync())
{
base.Add(myEventItem);
}
if (App.VesselSettings.SendAlarmEmail)
{
this.SendEventEmail(myEventItem);
}
}
