public PacketItem(EthernetPacket packet)
{
_packet = packet;
_source = packet.Source.PrettyPrint();
_destination = packet.Destination.PrettyPrint();
_protocol = packet.ProtocolString;
if (packet.PayloadPacket is IpPacket)
{
IpPacket ipPacket = (IpPacket)packet.PayloadPacket;
_source = ipPacket.Source.ToString();
_destination = ipPacket.Destination.ToString();
}
}
private void AddPacket(EthernetPacket packet)
{
if (!Dispatcher.CheckAccess())
{
Dispatcher.Invoke(new AddPacketDelegate(AddPacket), packet);
return;
}
if (!(packet.PayloadPacket is IpPacket))
return;
IpPacket ipPacket = (IpPacket)packet.PayloadPacket;
int sourcePort;
int destinationPort;
Protocol ipProtocolType = ipPacket.Protocol;
if (ipPacket.PayloadPacket is TCPPacket)
{
TCPPacket transportPacket = (TCPPacket)ipPacket.PayloadPacket;
sourcePort = transportPacket.SourcePort;
destinationPort = transportPacket.DestinationPort;
}
else if (ipPacket.PayloadPacket is UDPPacket)
{
UDPPacket transportPacket = (UDPPacket)ipPacket.PayloadPacket;
sourcePort = transportPacket.SourcePort;
destinationPort = transportPacket.DestinationPort;
}
else
{
return;
}
Conversation conversation = _conversations.FirstOrDefault(c => c.Check(ipPacket.Source, sourcePort, ipPacket.Destination, destinationPort, ipProtocolType));
if (conversation == null)
{
conversation = new Conversation(ipPacket.Source, sourcePort, ipPacket.Destination, destinationPort, ipProtocolType);
_conversations.Add(conversation);
}
conversation.Packets.Add(ipPacket);
}
private void AddPacket(EthernetPacket packet)
{
if (!listViewPackets.Dispatcher.CheckAccess())
{
listViewPackets.Dispatcher.Invoke(new Action<EthernetPacket>(AddPacket), packet);
return;
}
PacketItem packetItem = new PacketItem(packet);
_packets.Add(packetItem);
if (_listViewScrollView == null)
{
_listViewScrollView = GetScrollView(listViewPackets);
if (_listViewScrollView == null)
return;
}
//TODO: autoscroller
listViewPackets.ScrollIntoView(packetItem);
}
public PacketArrivedEventArgs(EthernetPacket packet)
{
Packet = packet;
}
public static PacketBase CreateArpRequest(PhysicalAddress senderMac, IPAddress senderIp, IPAddress targetIp)
{
EthernetPacket ethernetPacket = new EthernetPacket();
ethernetPacket.InternetLayerType = InternetProtocol.Arp;
ethernetPacket.Source = senderMac;
ethernetPacket.Destination = PhysicalAddress.Parse("FFFFFFFFFFFF");
ArpPacket arpPacket = new ArpPacket();
arpPacket.HardwareType = HardwareType.Ethernet;
arpPacket.InternetProtocol = InternetProtocol.Ip;
arpPacket.Opcode = ArpOpCode.Request;
arpPacket.SenderMac = ethernetPacket.Source;
arpPacket.SenderIp = senderIp;
arpPacket.TargetMac = ethernetPacket.Destination;
arpPacket.TargetIp = targetIp;
ethernetPacket.PayloadPacket = arpPacket;
return ethernetPacket;
}
