private void Menu_StopCapture(object sender, Avalonia.Interactivity.RoutedEventArgs e)
{
mnuStopCapture.IsEnabled = false;
if (sniffer != null)
{
sniffer.ReceivedPacket -= Sniffer_ReceivedPacket;
sniffer.Dispose();
}
sniffer = null;
}
private void Sniffer_ReceivedPacket(NetworkSniffer sniffer, PCapPacket packet)
{
if (DataPackets == null)
{
DataPackets = new List <PCapPacket>();
}
if (packet.PacketType != PCapPacketType.Other && !(packet.IsBaseIpProtocol ||
(packet.PortSource == 0 && packet.PortDestination == 0) ||
packet.Data == null ||
packet.Data.Length == 0))
{
lock (DataPacketsLock)
{
DataPackets.Add(packet);
}
if (SearchStats.IsSearchPacket(packet))
{
searchStats.Add(packet);
}
// Does the new packet match the filter?
var filter = txtFilter.Text?.ToLower() ?? "";
if (packet.Source.Contains(filter) ||
packet.Destination.Contains(filter) ||
packet.PacketType.ToString().ToLower().Contains(filter) ||
packet.PacketNumber.ToString().Contains(filter))
{
Avalonia.Threading.Dispatcher.UIThread.Post(() =>
{
var item = new PacketListItem
{
PacketNumber = packet.PacketNumber,
PacketSource = packet.Source,
PacketDestination = packet.Destination,
PacketProtocol = packet.PacketType.ToString(),
PacketLength = packet.Data.Length,
Packet = packet,
Foreground = Colorize(packet.Data)
};
item.Click += Item_Click;
scrollPanel.Children.Add(item);
});
}
}
}
private void Menu_Capture(object sender, Avalonia.Interactivity.RoutedEventArgs e)
{
var capture = new CaptureWindow();
capture.ShowDialog <string>(this).ContinueWith(result =>
{
if (result.Result == null)
{
return;
}
if (sniffer != null)
{
sniffer.ReceivedPacket -= Sniffer_ReceivedPacket;
sniffer.Dispose();
}
Avalonia.Threading.Dispatcher.UIThread.Post(() =>
{
searchStats.Clear();
try
{
sniffer = new NetworkSniffer(result.Result);
}
catch (System.Net.Sockets.SocketException ex)
{
if (sniffer != null)
{
sniffer.Dispose();
}
sniffer = null;
//Console.WriteLine(ex.ToString());
if (ex.NativeErrorCode == 10049)// ex.Message == "The requested address is not valid in its context."
{
var dlg = new AdminRightsRequired {
Message = "Impossible to bind to this network interface.", Title = "Wrong network interface"
};
dlg.ShowDialog(this);
}
else if (ex.NativeErrorCode == 10013)
{
var dlg = new AdminRightsRequired();
dlg.ShowDialog(this);
}
else
{
var dlg = new AdminRightsRequired {
Message = ex.Message, Title = "Error while binding"
};
dlg.ShowDialog(this);
}
}
if (sniffer != null)
{
sniffer.ReceivedPacket += Sniffer_ReceivedPacket;
DataPackets = new List <PCapPacket>();
ShowDataPacket();
mnuStopCapture.IsEnabled = true;
}
});
});
}
