private string EstimateTotalTimeRemaining(
NotificationDetails last,
double rate)
{
var bytesRemaining = last.TotalBytes - last.TotalBytesTransferred;
var secondsRemaining = (int)Math.Round(bytesRemaining / rate);
return(HumanReadableTimeFor(secondsRemaining));
}
public void NotifyOverall(
NotificationDetails details
)
{
if (string.IsNullOrWhiteSpace(details.Label))
{
return;
}
var s = details.TotalItems == 1
? ""
: "s";
if (details.IsStarting &&
!_notifiedStart)
{
_notifiedStart = true;
_messageWriter.Write(details.Label);
_messageWriter.Write(
$@"Overall transfer: {
details.TotalItems
} file{
s
}, {
HumanReadableSizeFor(
details.TotalBytes
)
}");
_started = DateTime.Now;
}
else if (details.IsComplete &&
_started != null)
{
var timeTaken = DateTime.Now - _started.Value;
_messageWriter.Write(details.Label);
_messageWriter.Write(
$@"Transferred {
details.TotalItems
} file{
s
}, {
HumanReadableSizeFor(details.TotalBytes)
}, {
HumanReadableTimeFor((int) timeTaken.TotalSeconds)
}, avg {
HumanReadableRateFor(
details.TotalBytes / timeTaken.TotalSeconds
)
}");
_started = null;
}
}
public void NotifyCurrent(
NotificationDetails details)
{
var label = details.Label ?? "(unknown)";
var isStart = details.CurrentBytesTransferred == 0;
var isEnd = details.CurrentBytesTransferred == details.CurrentTotalBytes;
if (isStart)
{
NotifyStart(label);
}
else if (isEnd)
{
NotifyComplete(label);
}
else
{
ReportIntermediateState(details);
}
}
protected override void ReportIntermediateState(
NotificationDetails details)
{
_notificationDetailHistory.Enqueue(details);
if (_notificationDetailHistory.Count > HISTORY_SIZE)
{
_notificationDetailHistory.Dequeue();
}
if (ShouldWaitToOutput())
{
return;
}
var last = _notificationDetailHistory.Last();
var rate = EstimateRate();
var itemEtr = EstimateItemTimeRemaining(last, rate);
var totalEtr = EstimateTotalTimeRemaining(last, rate);
var readableRate = HumanReadableRateFor(rate);
Rewrite(
details.Label,
string.Join(" · ",
new[]
{
readableRate,
itemEtr,
totalEtr,
BrailleProgressBarGenerator.CompositeProgressBarFor(
details.CurrentPercentageCompleteBySize,
details.TotalPercentageCompleteBySize
) + " "
}.Where(s => s != "")
)
);
}
protected virtual void ReportIntermediateState(
NotificationDetails details)
{
// intentionally left blank - this reporter is quiet
}
public void NotifyError(NotificationDetails details)
{
Write(details.Label, FAIL);
Write(details.Exception.Message, "");
Write(details.Exception.StackTrace, "");
}