private void DataReceived(object sender, UnifiedPacket packet)
{
if (string.IsNullOrEmpty(packet.IPAddressDst) || string.IsNullOrEmpty(packet.IPAddressSrc))
{
return;
}
lock (_graphics)
{
var hostSrc = new Host();
var addr1 = packet.IPAddressSrc;
var addr2 = packet.IPAddressDst;
if (string.Compare(packet.IPAddressDst, packet.IPAddressSrc) < 0)
{
addr1 = packet.IPAddressDst;
addr2 = packet.IPAddressSrc;
}
if (!_network.Connections.Contains((addr1, addr2)))
{
_network.Connections.Add((addr1, addr2));
}
if (!_network.Addresses.ContainsKey(addr1))
{
_network.Addresses.Add(addr1, _network.Addresses.Count);
}
if (!_network.Addresses.ContainsKey(addr2))
{
_network.Addresses.Add(addr2, _network.Addresses.Count);
}
}
}
private void DataReceived(object sender, UnifiedPacket packet)
{
Frames.Invoke(new MethodInvoker(delegate
{
var frame = "";
if (packet.ARP)
{
frame = $"{Pad("ARP", 20)} {Pad(packet.IPAddressSrc, 40)} {Pad(packet.IPAddressDst, 40)} {Pad(packet.CaptureTime, 20)}";
}
else
{
frame = $"{Pad(packet.Type, 20)} {Pad(packet.IPAddressSrc, 40)} {Pad(packet.IPAddressDst, 40)} {Pad(packet.CaptureTime, 20)}";
}
Frames.Items.Add(frame);
}));
}
public static UnifiedPacket Extract(Packet packet, DateTime date)
{
var unifiedPacket = new UnifiedPacket
{
CaptureTime = date,
ARP = false
};
if (packet is EthernetPacket)
{
var eth = (EthernetPacket)packet;
unifiedPacket.MACAddressDst = eth.DestinationHardwareAddress.ToString();
unifiedPacket.MACAddressSrc = eth.SourceHardwareAddress.ToString();
var ip = packet.Extract <IPPacket>();
if (ip != null)
{
unifiedPacket.IPAddressDst = ip.DestinationAddress.ToString();
unifiedPacket.IPAddressSrc = ip.SourceAddress.ToString();
unifiedPacket.Type = ip.Protocol;
unifiedPacket.TTL = ip.TimeToLive;
}
var arp = packet.Extract <ArpPacket>();
if (arp != null)
{
unifiedPacket.IPAddressDst = arp.TargetProtocolAddress.ToString();
unifiedPacket.IPAddressSrc = arp.SenderProtocolAddress.ToString();
unifiedPacket.ARP = true;
}
if (arp == null && ip == null)
{
Console.WriteLine(packet.ToString());
}
else
{
AddPacket(unifiedPacket);
}
}
else
{
Console.WriteLine(packet.ToString());
}
return(unifiedPacket);
}
public static void AddPacket(UnifiedPacket packet)
{
_globalPackets.Add(packet);
}
