private static void UpdateProgress(Util.ProgressBar progressBar, int complete, int total, TimeSpan elapsed, string prefix)
{
lock (progressBar)
{
var rate = total == 0 ? 0 : complete / elapsed.TotalSeconds;
var remaining = total == 0 || complete == 0 ? TimeSpan.Zero : TimeSpan.FromSeconds((total - complete) / rate);
progressBar.Fraction = total == 0 ? 1 : (double)complete / total;
progressBar.Caption = $"{prefix}{complete} / {total} @ {rate:f0} / s, {remaining.TotalMinutes:f0}:{remaining.Seconds:00} rem";
}
}
public TimerUtil(long total, int maxMeasurement = 1000, int updateInterval = 25)
{
_stopwatch = new Stopwatch();
if (total <= 0)
{
throw new Exception("zero total");
}
_total = total.Dump("Total");
_maxMeasurement = maxMeasurement;
_updateInterval = updateInterval;
_progress = new Util.ProgressBar().Dump("Work");
_counterDc = new DumpContainer().Dump("Count");
_speed = new DumpContainer("-- ms/item").Dump("Speed");
_timeLeft = new DumpContainer("--").Dump("time left estimate");
_timeDone = new DumpContainer("--").Dump("time done estimate");
}
public static async Task <TResult[]> MonitorProgressAsync <TSource, TResult>(this IEnumerable <TSource> source, Func <TSource, Task <TResult> > taskFactory, string description = null, string prefix = null, int updateEvery = 1, int concurrencyLimit = 1)
{
var progressBar = new Util.ProgressBar($"{prefix}Initializing").Dump(description);
var queue = new Queue <TSource>(source);
var total = queue.Count;
var complete = 0;
var stopwatch = Stopwatch.StartNew();
UpdateProgress(progressBar, complete, total, stopwatch.Elapsed, prefix);
var results = new List <TResult>();
var pending = new List <Task <TResult> >();
while (queue.Count > 0 || pending.Any())
{
if (queue.Count > 0)
{
var entry = queue.Dequeue();
pending.Add(taskFactory(entry));
}
if (pending.Any(x => x.IsCompleted || x.IsFaulted || x.IsCanceled) || pending.Count >= concurrencyLimit)
{
var completed = await Task.WhenAny(pending);
results.Add(await completed);
pending.Remove(completed);
if (Interlocked.Increment(ref complete) % updateEvery == 0)
{
UpdateProgress(progressBar, complete, total, stopwatch.Elapsed, prefix);
}
continue;
}
await Task.Delay(100);
}
UpdateProgress(progressBar, complete, total, stopwatch.Elapsed, prefix);
return(results.ToArray());
}
public static IEnumerable <T> MonitorProgress <T>(this IQueryable <T> source, string description = null, string prefix = null, int updateEvery = 1)
{
var complete = 0;
var total = source.Count();
var progressBar = new Util.ProgressBar(prefix).Dump(description);
var stopwatch = Stopwatch.StartNew();
foreach (var item in source)
{
yield return(item);
if (Interlocked.Increment(ref complete) % updateEvery == 0)
{
UpdateProgress(progressBar, complete, total, stopwatch.Elapsed, prefix);
}
}
UpdateProgress(progressBar, complete, total, stopwatch.Elapsed, prefix);
}
public ProgressDisplay(Overlay overlay)
{
_overlay = overlay;
_divTitle = new Div();
_divTitle.SetClass("progress--title");
_divAnimationPart1 = new Div();
_divAnimationPart1.SetClass("line");
_divAnimationPart2 = new Div();
_divAnimationPart2.SetClass("line");
_divAnimationPart3 = new Div();
_divAnimationPart3.SetClass("line");
_divAnimationBg = new Div();
_divAnimationBg.SetClass("animation-bg");
_divAnimation = new Div(_divAnimationPart1, _divAnimationPart2, _divAnimationPart3, _divAnimationBg);
_divAnimation.SetClass("progress--animation");
_btnAbort = new Button("Abort", OnAbort);
_btnAbort.Hide();
_progressBar = new Util.ProgressBar(false);
_progressContainer = new DumpContainer(_progressBar);
_progressContainer.Hide();
_divWrap = new Div(_divTitle, _divAnimation, _progressContainer, _btnAbort);
_divWrap.SetClass("progress-container");
_divContainer = new Div(_divWrap);
_divContainer.SetClass("progress");
_divContainer.Hide();
VisualTree.Add(_divContainer);
}
private void Init(string msg)
{
prog = new Util.ProgressBar(msg).Dump();
prog.Percent = 0;
}
