/// <summary>
/// Gets the offset time from ticks
/// </summary>
/// <param name="captureTimerInfo"></param>
/// <param name="ticks"></param>
/// <returns></returns>
public static DateTime GetOffsetTime(this CaptureTimerInfo captureTimerInfo, long ticks)
{
//Get the seconds
var seconds = captureTimerInfo.TicksToSeconds(ticks);
//Connvert to seconds
return(captureTimerInfo.StartTime.AddSeconds(seconds));
}
private void Refresh()
{
//var output = new StringBuilder();
Packets.Clear();
//Create the reader
using (var captureReader = new CaptureFileReader(_captureFilePath))
{
var sample = captureReader.Read();
//Keep track of the last sample so we now how far apart they are
Sample lastSample = null;
var buffer = new List<byte>();
var captureTimerInfo = new CaptureTimerInfo(captureReader.StartTime, captureReader.TicksPerSecond);
while (sample != null)
{
if (lastSample != null)
{
//Get the elapsed Ms
var elapsedMs = captureTimerInfo.TicksToMilliseconds(sample.Ticks - lastSample.Ticks);
if (elapsedMs >= _packetThreshold)
{
Packets.Add(new PacketViewModel(buffer.ToArray()));
buffer.Clear();
}
}
//Add an item to the buffer
buffer.Add(sample.Value);
//Save this sample for next time
lastSample = sample;
//Get the next sample
sample = captureReader.Read();
//See if we have any last bits... (might take this out)
if (sample == null && buffer.Any())
{
Packets.Add(new PacketViewModel(buffer.ToArray()));
buffer.Clear();
}
}
}
}
/// <summary>
/// TickstoMiliseconds
/// </summary>
/// <param name="captureTimerInfo"></param>
/// <param name="ticks"></param>
/// <returns></returns>
public static double TicksToMilliseconds(this CaptureTimerInfo captureTimerInfo, long ticks)
{
//return ((double)ticks * 1000.0) / ((double)captureTimerInfo.TicksPerSecond);
return(captureTimerInfo.TicksToSeconds(ticks) * 1000.0);
}
/// <summary>
/// Converts ticks to real world seconds.
/// </summary>
/// <param name="captureTimerInfo"></param>
/// <param name="ticks"></param>
/// <returns></returns>
public static double TicksToSeconds(this CaptureTimerInfo captureTimerInfo, long ticks)
{
return((double)ticks / (double)captureTimerInfo.TicksPerSecond);
}
