protected void Throttle(int bufferSizeInBytes)
{
if (_maximumBytesPerSecond <= 0 || bufferSizeInBytes <= 0)
{
return;
}
_byteCount += bufferSizeInBytes;
long elapsedMilliseconds = CurrentMilliseconds - _start;
if (elapsedMilliseconds > 0)
{
// Calculate the current bps.
long bps = _byteCount * 1000L / elapsedMilliseconds;
// If the bps are more then the maximum bps, try to throttle.
if (bps > _maximumBytesPerSecond)
{
// Calculate the time to sleep.
long wakeElapsed = _byteCount * 1000L / _maximumBytesPerSecond;
int toSleep = (int)(wakeElapsed - elapsedMilliseconds);
if (toSleep > 1)
{
try
{
Thread.Sleep(toSleep);
}
catch (ThreadAbortException) {}
finally
{
Reset();
}
}
}
}
}