private async Task LogPerformanceWorkloadWorker(
ILogicalLog lLog,
byte[] recordBuffer,
TestLogNotification tn75,
CancellationToken tn75CancelToken,
CancellationToken CancelToken
)
{
try
{
Task taskUsageNotification75;
long bytes = 0;
taskUsageNotification75 = tn75.SetupLogUsageNotificationAsync(lLog, 75, tn75CancelToken);
if (_DedicatedLogOnly)
{
await lLog.ConfigureWritesToOnlyDedicatedLogAsync(CancellationToken.None);
}
bool canceled = false;
this.StartPerfWorkloads.WaitOne();
while (!canceled)
{
await lLog.AppendAsync(recordBuffer, 0, 40, /*recordBuffer.Length,*/ CancellationToken.None);
bytes += 40; /*recordBuffer.Length;*/
if (tn75.Fired)
{
//
// Truncate back to 10%
//
long allowedData = lLog.Length / 10;
long truncationPosition = bytes - allowedData;
lLog.TruncateHead(truncationPosition);
taskUsageNotification75 = tn75.SetupLogUsageNotificationAsync(lLog, 75, tn75CancelToken);
}
if (CancelToken.IsCancellationRequested)
{
canceled = true;
}
}
await lLog.FlushWithMarkerAsync(CancellationToken.None);
Interlocked.Add(ref this.TotalByteCount, bytes);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
Console.WriteLine("Tasks completed");
return;
}
// Truncate the oldest information
void TruncateHead(
ILogicalLog logicalLog,
long streamOffset)
{
logicalLog.TruncateHead(streamOffset);
}
