private async void UpdateStats(CancellationToken cancel)
{
long lastDownloaded = 0;
long lastUploaded = 0;
long lastDownloadSample = 0;
int lastSpeed = 0;
DateTime nextUpdate = DateTime.UtcNow.AddSeconds(3);
string dcache = Util.Text.FormatBytes(0), ucache = Util.Text.FormatBytes(0), dscache = "";
long cacheStorage = -1;
int lastPurge = 0;
while (true)
{
try
{
await Task.Delay(1000, cancel);
}
catch (TaskCanceledException)
{
return;
}
if (lastRequest != null)
{
lock (activeRows)
{
labelLastRequest.Text = lastRequest;
lastRequest = null;
}
}
bool update = false;
var bytesDownloaded = this.bytesDownloaded;
if (lastDownloaded != bytesDownloaded)
{
lastDownloaded = bytesDownloaded;
dcache = Util.Text.FormatBytes(lastDownloaded);
update = true;
}
if (lastUploaded != bytesUploaded)
{
lastUploaded = bytesUploaded;
ucache = Util.Text.FormatBytes(lastUploaded);
update = true;
}
if (purgeProgress != null)
{
if (purgeProgress.purged == purgeProgress.total)
{
lastPurge = 0;
purgeProgress = null;
}
else
{
if (labelCached.Enabled)
{
labelCached.Enabled = false;
}
if (lastPurge != 0 || (float)purgeProgress.purged / purgeProgress.total < 0.25f) //only show progress if it'll take more than a few seconds to complete
{
if (lastPurge != purgeProgress.purged)
{
lastPurge = purgeProgress.purged;
labelCached.Text = string.Format("{0:#,##0} of {1:#,##0}", lastPurge, purgeProgress.total);
}
}
}
}
else if (cacheStorage != this.cacheStorage)
{
cacheStorage = this.cacheStorage;
labelCached.Text = Util.Text.FormatBytes(cacheStorage);
}
if (bytesDownloaded > 0)
{
var now = DateTime.UtcNow;
if (now > nextUpdate)
{
var s = now.Subtract(nextUpdate).TotalSeconds + 3;
if (s > 0)
{
var sample = (int)((bytesDownloaded - lastDownloadSample) / s + 0.5);
if (sample < 1024)
{
sample = 0;
}
if (sample != lastSpeed)
{
lastSpeed = sample;
if (sample != 0)
{
dscache = " @ " + Util.Text.FormatBytes(sample) + "/s";
}
else
{
dscache = "";
}
update = true;
}
nextUpdate = now.AddSeconds(3);
lastDownloadSample = bytesDownloaded;
}
}
}
if (update)
{
labelDownloaded.Text = ucache + " / " + dcache + dscache;
}
}
}
void Cache_PurgeProgress(object sender, Net.AssetProxy.Cache.PurgeProgressEventArgs e)
{
purgeProgress = e;
}
