public static IEnumerable <GenericInterval> EnumerateIntervals(IList <MonitorRow> data, TimeSpan intervalLength)
{
MonitorRow start = null;
int i0 = -1;
MonitorRow end = null;
for (int i = 0; i < data.Count; i++)
{
MonitorRow row = data[i];
end = row;
if (start == null)
{
start = row;
i0 = i;
}
else if (row.TimeStamp - start.TimeStamp >= intervalLength)
{
yield return(new GenericInterval(i0, start.Id, start.TimeStamp, i, end.Id, end.TimeStamp));
start = row;
i0 = i;
//start = null;
}
}
// TODO last interval falls short.. what to do?
// if (start != null && start.Id < end.Id)
// {
// yield return new GenericInterval(startIndex, start.Id, monitor.Data.Count - 1, end.Id);
// }
}
public DroSleepCycle(MonitorRow cycleStart, int beamCrossingsBeforeSleep, MonitorRow sleepStart, MonitorRow cycleEnd, MonitorRow lightSwitch)
{
this.CycleStart = cycleStart ?? throw new ArgumentNullException(nameof(cycleStart));
this.BeamCrossingsBeforeSleep = beamCrossingsBeforeSleep;
this.SleepStart = sleepStart ?? throw new ArgumentNullException(nameof(sleepStart));
this.CycleEnd = cycleEnd ?? throw new ArgumentNullException(nameof(cycleEnd));
this.LightSwitch = lightSwitch; // can be null typically
}
public Monitor(string filename)
{
if (!File.Exists(filename))
{
throw new FileNotFoundException(filename);
}
this.Data = new List <MonitorRow>();
this.LightIntervals = new List <LightInterval>();
using (var r = new StreamReader(filename))
{
string line;
LightInterval interval = null;
int index = 0;
while ((line = r.ReadLine()) != null)
{
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
MonitorRow row = new MonitorRow(line); // might throw
if (interval == null)
{
interval = new LightInterval(row.IsLightOn, index, row.Id, row.TimeStamp, -1, -1L, default(DateTimeOffset));
}
else if (interval.IsLightOn != row.IsLightOn)
{
// finish the interval
int prevIndex = this.Data.Count - 1;
MonitorRow prevRow = this.Data[prevIndex];
this.LightIntervals.Add(new LightInterval(interval.IsLightOn,
interval.StartIndex, interval.StartId, interval.StartTime,
prevIndex, prevRow.Id, prevRow.TimeStamp));
// and start next
interval = new LightInterval(row.IsLightOn, index, row.Id, row.TimeStamp, -1, -1L, default(DateTimeOffset));
}
this.Data.Add(row);
index++;
}
if (this.Data.Count > 1)
{
this.DataColumns = this.Data[0].BeamCrossings.Length;
// finish the last interval
int endIndex = this.Data.Count - 1;
MonitorRow endRow = this.Data[endIndex];
this.LightIntervals.Add(new LightInterval(interval.IsLightOn,
interval.StartIndex, interval.StartId, interval.StartTime,
endIndex, endRow.Id, endRow.TimeStamp));
}
}
}
public static IEnumerable <DroSleepCycle> Enumerate(IEnumerable <MonitorRow> rows, int index, TimeSpan inactivityThreshold)
{
MonitorRow cycleStart = null;
int beamCrossingsBeforeSleep = 0;
MonitorRow sleepStart = null;
MonitorRow lightSwitch = null;
foreach (MonitorRow row in rows)
{
int activity = row.BeamCrossings[index];
if (lightSwitch == null && sleepStart != null && sleepStart.IsLightOn != row.IsLightOn)
{
lightSwitch = row;
}
// 1) check for completion
if (sleepStart != null && row.TimeStamp - sleepStart.TimeStamp >= inactivityThreshold && activity > 0)
{
// end of interval!
yield return(new DroSleepCycle(cycleStart, beamCrossingsBeforeSleep, sleepStart, row, lightSwitch));
// start next interval
cycleStart = null;
beamCrossingsBeforeSleep = 0;
sleepStart = null;
}
else if (sleepStart != null && activity > 0)
{
sleepStart = null; // reset, not really sleep according to threshold
}
// 2) update
if (cycleStart == null)
{
cycleStart = row;
}
beamCrossingsBeforeSleep += activity;
if (sleepStart == null && activity == 0) // eventually the start of a sleep cycle
{
sleepStart = row;
}
} // end-for
}
public bool Contains(MonitorRow row)
{
return(this.StartId <= row.Id && row.Id < this.EndId);
}
