private DateTime? CalcNextTriggerTime(TriggerBase p_trigger, bool p_isMarketTradingDay, DateTime p_marketOpenTimeUtc, DateTime p_marketCloseTimeUtc)
{
if (!p_isMarketTradingDay) // in this case market open and close times are not given
return null;
// if it is scheduled 5 seconds from now, just forget it (1 seconds was not enough)
// once the timer was set to ellapse at 20:30:00, but it ellapsed at 20:29:58sec.5, so the trade was scheduled again, because it was later than 1 sec
DateTime tresholdNowTime = DateTime.UtcNow.AddSeconds(5);
if (p_trigger.StartTimeBase == StartTimeBase.BaseOnUsaMarketOpen)
{
DateTime proposedTime = p_marketOpenTimeUtc + p_trigger.StartTimeOffset;
if (proposedTime > tresholdNowTime)
return proposedTime;
}
if (p_trigger.StartTimeBase == StartTimeBase.BaseOnUsaMarketClose)
{
DateTime proposedTime = p_marketCloseTimeUtc + p_trigger.StartTimeOffset;
if (proposedTime > tresholdNowTime)
return proposedTime;
}
return null;
}
internal void ScheduleTrigger(TriggerBase p_trigger, bool p_isMarketTradingDay, DateTime p_marketOpenTimeUtc, DateTime p_marketCloseTimeUtc)
{
DateTime? proposedTime = CalcNextTriggerTime(p_trigger, p_isMarketTradingDay, p_marketOpenTimeUtc, p_marketCloseTimeUtc);
if (proposedTime != null)
{
bool doSetTimer = true;
if (p_trigger.NextScheduleTimeUtc != null)
{
TimeSpan timeSpan = ((DateTime)p_trigger.NextScheduleTimeUtc > (DateTime)proposedTime) ? (DateTime)p_trigger.NextScheduleTimeUtc - (DateTime)proposedTime : (DateTime)proposedTime - (DateTime)p_trigger.NextScheduleTimeUtc;
if (timeSpan.TotalMilliseconds < 1000.0) // if the proposedTime is not significantly different that the scheduledTime
doSetTimer = false;
}
if (doSetTimer)
{
p_trigger.NextScheduleTimeUtc = proposedTime;
StrongAssert.True((DateTime)p_trigger.NextScheduleTimeUtc > DateTime.UtcNow, Severity.ThrowException, "nextScheduleTimeUtc > DateTime.UtcNow");
p_trigger.Timer.Change((DateTime)p_trigger.NextScheduleTimeUtc - DateTime.UtcNow, TimeSpan.FromMilliseconds(-1.0));
}
}
// Warn() temporarily to show it on Console
//Console.WriteLine($"{DateTime.UtcNow.ToString("dd'T'HH':'mm':'ss")}: Task '" + p_trigger.TriggeredTaskSchema.Name + "' next time: " + ((p_trigger.NextScheduleTimeUtc != null) ? ((DateTime)p_trigger.NextScheduleTimeUtc).ToString("dd'T'HH':'mm':'ss") : "null"));
Utils.Logger.Info("Task '" + p_trigger.TriggeredTaskSchema.Name + "' next time: " + ((p_trigger.NextScheduleTimeUtc != null) ? ((DateTime)p_trigger.NextScheduleTimeUtc).ToString("dd'T'HH':'mm':'ss") : "null"));
}