public static HourlyUsage ToHourlyUsage(this List <UsageRow> hourlyUsageRows, int minutesOffset,
out UsageRow overflow)
{
var dailyUsage = HourlyTransformations.GetHourlyUsage(hourlyUsageRows, minutesOffset, out overflow);
return(dailyUsage);
}
public void FinishRows(out UsageRow overflow)
{
if (_secondsElapsed > 3600.0f)
{
DateTime oneHourLater = _startTimeUTC.AddMinutes(-_startTimeUTC.Minute)
.AddSeconds(-_startTimeUTC.Second)
.AddHours(1);
overflow = new UsageRow(new UserUsage
{
AppNames = new string[] { },
AppUsedNameHashCodes = _overflowFilteredApps.ToArray(),
AppUsedSeconds = _overflowFilteredSeconds.ToArray(),
Start = oneHourLater
});
}
else
{
overflow = null;
float secondsTotal = _filteredSeconds.Sum();
if (secondsTotal < 3600.0f)
{
Log(noActivityApp, 3600.0f - secondsTotal);
}
}
}
private static void AddToAppNames(UsageRow row, HashSet <string> appNames)
{
foreach (string appName in row.AppNames.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
{
appNames.Add(appName);
}
}
//private DateTime _currentTime;
public void StartRow(UsageRow row)
{
DateTime rowTime = row.GetStartTime(_minutesOffset);
if (!_startTime.HasValue)
{
_startTime = new DateTime(rowTime.Year, rowTime.Month, rowTime.Day, rowTime.Hour, 0, 0);
_startTimeUTC = row.GetStartTimeUtc();
_secondsElapsed = 0.0f;
}
AddGapIfTimeGreaterThan2Seconds(rowTime, _secondsElapsed);
TimeSpan ts = rowTime.Subtract(_startTime.Value);
_secondsElapsed = (float)ts.TotalSeconds;
}
public static HourlyUsage GetHourlyUsage(List <UsageRow> hourlyUsageRows, int minutesOffset, out UsageRow overflow)
{
var results = new HourlyTransformationResults(minutesOffset);
// Create 1 buffer for each hour. This reduces the number of memory allocations.
int usageInTotalBytes = GetUsageInSecondsTotal(hourlyUsageRows);
var hashCodes = new uint[usageInTotalBytes / 4];
var times = new float[usageInTotalBytes / 4];
int destOffset = 0;
foreach (UsageRow row in hourlyUsageRows)
{
var count = row.Apps.Length;
Buffer.BlockCopy(row.UsageInSeconds, 0, times, destOffset, count);
Buffer.BlockCopy(row.Apps, 0, hashCodes, destOffset, count);
results.StartRow(row);
int start = destOffset / 4;
int end = start + (count / 4);
for (int i = start; i < end; i++)
{
uint currentApp = hashCodes[i];
float currentAppTime = times[i];
results.Log(currentApp, currentAppTime);
}
destOffset += count;
}
results.FinishRows(out overflow);
return(results.ToHourlyUsage());
}
