public override UInt32 HandleHistoryReadRequest(object session, object readDetails, HistoryReadValueId id,
ContinuationPointHistory continuationPoint, List <DataValue> results, ref int?offsetContinueFit)
{
if (testHistoryPoints == null)
{
testHistoryPoints = new List <DataValue>();
var dt = new DateTime(2015, 12, 1);
for (int i = 0; i < 100000; i++)
{
testHistoryPoints.Add(new DataValue(
Math.Sin(i * 0.3) + Math.Cos(i * 0.17) * 0.5 + Math.Sin(i * 0.087) * 0.25, StatusCode.Good,
dt));
dt = dt.AddHours(1);
}
}
int startOffset = continuationPoint.IsValid ? continuationPoint.Offset : 0;
if (readDetails is ReadRawModifiedDetails)
{
var rd = readDetails as ReadRawModifiedDetails;
for (int i = 0; i < 100000; i++)
{
var p = testHistoryPoints[i];
if (p.SourceTimestamp >= rd.StartTime &&
p.SourceTimestamp < rd.EndTime)
{
// Skip startOffset points
if (startOffset > 0)
{
startOffset--;
continue;
}
results.Add(p);
}
}
return((UInt32)StatusCode.Good);
}
return((UInt32)StatusCode.BadHistoryOperationUnsupported);
}
public override UInt32 HandleHistoryEventReadRequest(object session, object readDetails,
HistoryReadValueId id, ContinuationPointHistory continuationPoint, List<object[]> results)
{
if (readDetails is ReadEventDetails)
{
var rd = readDetails as ReadEventDetails;
var dt = rd.StartTime;
for (int i = 0; i < 5; i++)
{
var ev = GenerateSampleAlarmEvent(dt);
results.Add(NetDispatcher.MatchFilterClauses(rd.SelectClauses, ev));
dt = dt.AddMinutes(1);
}
return (UInt32)StatusCode.Good;
}
return (UInt32)StatusCode.BadHistoryOperationUnsupported;
}
