/// <summary>
/// Closes this adapter
/// </summary>
public virtual void Close()
{
if (PcapHandle == IntPtr.Zero)
{
return;
}
if (Started)
{
StopCapture();
}
SafeNativeMethods.pcap_close(PcapHandle);
PcapHandle = IntPtr.Zero;
//Remove event handlers
if (OnPacketArrival != null)
{
foreach (Pcap.PacketArrivalEvent pa in OnPacketArrival.GetInvocationList())
{
OnPacketArrival -= pa;
}
}
if (OnPcapStatistics != null)
{
foreach (Pcap.PcapStatisticsEvent pse in OnPcapStatistics.GetInvocationList())
{
OnPcapStatistics -= pse;
}
}
}
/// <summary>
/// Notify the OnPacketArrival delegates about a newly captured packet
/// </summary>
/// <param name="p">
/// A <see cref="RawCapture"/>
/// </param>
override protected void SendPacketArrivalEvent(RawCapture p)
{
if (Mode == CaptureMode.Packets)
{
base.SendPacketArrivalEvent(p);
}
else if (Mode == CaptureMode.Statistics)
{
OnPcapStatistics?.Invoke(this, new StatisticsModeEventArgs(p, this));
}
}
/// <summary>
/// Close the device
/// </summary>
public override void Close()
{
if (OnPcapStatistics != null)
{
foreach (StatisticsModeEventHandler pse in OnPcapStatistics.GetInvocationList())
{
OnPcapStatistics -= pse;
}
}
// call the base method
base.Close();
}
private void LiveDevice_OnPacketArrival(object sender, CaptureEventArgs e)
{
if (IsWindows)
{
ReceivedPackets += BitConverter.ToInt64(e.Packet.Data, 0);
ReceivedBytes += BitConverter.ToInt64(e.Packet.Data, 8);
}
else
{
ReceivedPackets++;
ReceivedBytes += e.Packet.PacketLength;
}
var args = new StatisticsEventArgs(
this,
e.Packet.Timeval,
ReceivedPackets,
ReceivedBytes
);
OnPcapStatistics?.Invoke(this, args);
}