private static void AddDownloadProgressMarker(DownloadProgressMarkerCollection markers, Int64 bytesReceived)
{
float now = Time.unscaledTime;
// ignore if not newer timeStamp
if (markers.lastIndex >= 0 &&
(now - markers.timeStamps[markers.lastIndex] <= 0f))
{
return;
}
if (markers.recordedCount <= 1 &&
bytesReceived == 0)
{
// overwrite if unstarted
markers.lastIndex = 0;
markers.recordedCount = 1;
markers.timeStamps[0] = now;
markers.byteCounts[0] = 0;
}
else
{
// increment counters
++markers.lastIndex;
markers.lastIndex %= markers.timeStamps.Length;
++markers.recordedCount;
// add marker
markers.timeStamps[markers.lastIndex] = now;
markers.byteCounts[markers.lastIndex] = bytesReceived;
}
}
public static void UpdateDownloadSpeed(ModfileIdPair idPair)
{
FileDownloadInfo downloadInfo = null;
DownloadProgressMarkerCollection markers = null;
if (DownloadClient.modfileDownloadMap.TryGetValue(idPair, out downloadInfo) &&
DownloadClient.modfileProgressMarkers.TryGetValue(idPair, out markers) &&
!downloadInfo.isDone)
{
Int64 bytesReceived = (downloadInfo.request == null ? 0
: (Int64)downloadInfo.request.downloadedBytes);
DownloadClient.AddDownloadProgressMarker(markers, bytesReceived);
downloadInfo.bytesPerSecond = DownloadClient.CalculateAverageDownloadSpeed(markers);
}
}
private static System.Collections.IEnumerator SpeedMonitorCoroutine()
{
while (DownloadClient.modfileDownloadMap.Count > 0)
{
int downloadCount = DownloadClient.modfileDownloadMap.Count;
int monitoredDownloadCount = 0;
FileDownloadInfo[] infos
= new FileDownloadInfo[downloadCount];
DownloadProgressMarkerCollection[] markerCollections
= new DownloadProgressMarkerCollection[downloadCount];
// collect downloads to update
foreach (var kvp in DownloadClient.modfileDownloadMap)
{
DownloadProgressMarkerCollection markers = null;
if (!kvp.Value.isDone &&
DownloadClient.modfileProgressMarkers.TryGetValue(kvp.Key, out markers))
{
infos[monitoredDownloadCount] = kvp.Value;
markerCollections[monitoredDownloadCount] = markers;
++monitoredDownloadCount;
}
}
// update progress
for (int i = 0;
i < monitoredDownloadCount;
++i)
{
FileDownloadInfo downloadInfo = infos[i];
DownloadProgressMarkerCollection markers = markerCollections[i];
Int64 bytesReceived = (downloadInfo.request == null ? 0
: (Int64)downloadInfo.request.downloadedBytes);
DownloadClient.AddDownloadProgressMarker(markers, bytesReceived);
downloadInfo.bytesPerSecond = DownloadClient.CalculateAverageDownloadSpeed(markers);
}
yield return(new WaitForSecondsRealtime(DownloadClient.DOWNLOAD_SPEED_UPDATE_INTERVAL));
}
DownloadClient.monitorBehaviour.coroutine = null;
}
private static Int64 CalculateAverageDownloadSpeed(DownloadProgressMarkerCollection markers)
{
if (markers.lastIndex < 0 || markers.recordedCount <= 1)
{
return(0);
}
int firstIndex = 0;
if (markers.recordedCount > markers.timeStamps.Length)
{
firstIndex = (markers.lastIndex + 1) % markers.timeStamps.Length;
}
float initialTimeStamp = markers.timeStamps[firstIndex];
Int64 initialByteCount = markers.byteCounts[firstIndex];
float finalTimeStamp = markers.timeStamps[markers.lastIndex];
Int64 finalByteCount = markers.byteCounts[markers.lastIndex];
return((Int64)((finalByteCount - initialByteCount) / (finalTimeStamp - initialTimeStamp)));
}
