/// <summary>
/// Gets a pcap stat object and calculate bps and pps
/// </summary>
public static void device_OnPcapStatistics(object sender, SharpPcap.WinPcap.StatisticsModeEventArgs e)
{
// Calculate the delay in microseconds from the last sample.
// This value is obtained from the timestamp that's associated with the sample.
ulong delay = (e.Statistics.Timeval.Seconds - oldSec) * 1000000 - oldUsec + e.Statistics.Timeval.MicroSeconds;
// Get the number of Bits per second
ulong bps = ((ulong)e.Statistics.RecievedBytes * 8 * 1000000) / delay;
/* ^ ^
| |
| |
| |
| converts bytes in bits -- |
|
| delay is expressed in microseconds --
*/
// Get the number of Packets per second
ulong pps = ((ulong)e.Statistics.RecievedPackets * 1000000) / delay;
// Convert the timestamp to readable format
var ts = e.Statistics.Timeval.Date.ToLongTimeString();
// Print Statistics
Console.WriteLine("{0}: bps={1}, pps={2}", ts, bps, pps);
//store current timestamp
oldSec = e.Statistics.Timeval.Seconds;
oldUsec = e.Statistics.Timeval.MicroSeconds;
}
void FormMain_OnPcapStatistics(object sender, StatisticsModeEventArgs e)
{
}
private void update_statistics(object sender, StatisticsModeEventArgs e)
{
StatisticsModePacket statistics = e.Statistics;
long delay = (long)((statistics.Timeval.Seconds - _oldseconds) * 1000000
+ (statistics.Timeval.MicroSeconds - _oldmicroseconds));
_transferspeed = (statistics.RecievedBytes * 1000000) / delay / 1024;
_message = format_message(_stopwatch.Elapsed, "Transferspeed", _transferspeed.ToString(), "kB/s");
this.callback.on_transfer_speed_change(_message, this.results);
this.main_view.text_to_logs(_message);
_oldseconds = statistics.Timeval.Seconds;
_oldmicroseconds = statistics.Timeval.MicroSeconds;
}
private static void getStatistics(object sender, StatisticsModeEventArgs stat)
{
StatisticsModePacket statistics = stat.Statistics;
long delay = (long) ((statistics.Timeval.Seconds - oldSec) *
1000000 - oldUsec + statistics.Timeval.MicroSeconds);
AllRecBytes += statistics.RecievedBytes;
long bps = (statistics.RecievedBytes * 8 * 1000000) / delay;
AllRecTcpUdpPackets += statistics.RecievedPackets;
long pps = (statistics.RecievedPackets * 1000000) / delay;
string ts = statistics.Timeval.Date.ToLongTimeString();
if (bps != 0 || pps != 0)
{
Console.WriteLine("{0}: bps={1}, pps={2}", ts, bps, pps);
}
if (maxbps < bps) maxbps = bps;
if (maxpps < pps) maxpps = pps;
oldSec = statistics.Timeval.Seconds;
oldUsec = statistics.Timeval.MicroSeconds;
}
